diff options
Diffstat (limited to '2.6.39/4420_grsecurity-2.2.2-2.6.39.3-201107191826.patch')
| -rw-r--r-- | 2.6.39/4420_grsecurity-2.2.2-2.6.39.3-201107191826.patch | 85756 |
1 files changed, 0 insertions, 85756 deletions
diff --git a/2.6.39/4420_grsecurity-2.2.2-2.6.39.3-201107191826.patch b/2.6.39/4420_grsecurity-2.2.2-2.6.39.3-201107191826.patch deleted file mode 100644 index f85e905..0000000 --- a/2.6.39/4420_grsecurity-2.2.2-2.6.39.3-201107191826.patch +++ /dev/null @@ -1,85756 +0,0 @@ -diff -urNp linux-2.6.39.3/arch/alpha/include/asm/dma-mapping.h linux-2.6.39.3/arch/alpha/include/asm/dma-mapping.h ---- linux-2.6.39.3/arch/alpha/include/asm/dma-mapping.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/alpha/include/asm/dma-mapping.h 2011-05-22 19:36:30.000000000 -0400 -@@ -3,9 +3,9 @@ - - #include <linux/dma-attrs.h> - --extern struct dma_map_ops *dma_ops; -+extern const struct dma_map_ops *dma_ops; - --static inline struct dma_map_ops *get_dma_ops(struct device *dev) -+static inline const struct dma_map_ops *get_dma_ops(struct device *dev) - { - return dma_ops; - } -diff -urNp linux-2.6.39.3/arch/alpha/include/asm/elf.h linux-2.6.39.3/arch/alpha/include/asm/elf.h ---- linux-2.6.39.3/arch/alpha/include/asm/elf.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/alpha/include/asm/elf.h 2011-05-22 19:36:30.000000000 -0400 -@@ -90,6 +90,13 @@ typedef elf_fpreg_t elf_fpregset_t[ELF_N - - #define ELF_ET_DYN_BASE (TASK_UNMAPPED_BASE + 0x1000000) - -+#ifdef CONFIG_PAX_ASLR -+#define PAX_ELF_ET_DYN_BASE (current->personality & ADDR_LIMIT_32BIT ? 0x10000 : 0x120000000UL) -+ -+#define PAX_DELTA_MMAP_LEN (current->personality & ADDR_LIMIT_32BIT ? 14 : 28) -+#define PAX_DELTA_STACK_LEN (current->personality & ADDR_LIMIT_32BIT ? 14 : 19) -+#endif -+ - /* $0 is set by ld.so to a pointer to a function which might be - registered using atexit. This provides a mean for the dynamic - linker to call DT_FINI functions for shared libraries that have -diff -urNp linux-2.6.39.3/arch/alpha/include/asm/pgtable.h linux-2.6.39.3/arch/alpha/include/asm/pgtable.h ---- linux-2.6.39.3/arch/alpha/include/asm/pgtable.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/alpha/include/asm/pgtable.h 2011-05-22 19:36:30.000000000 -0400 -@@ -101,6 +101,17 @@ struct vm_area_struct; - #define PAGE_SHARED __pgprot(_PAGE_VALID | __ACCESS_BITS) - #define PAGE_COPY __pgprot(_PAGE_VALID | __ACCESS_BITS | _PAGE_FOW) - #define PAGE_READONLY __pgprot(_PAGE_VALID | __ACCESS_BITS | _PAGE_FOW) -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+# define PAGE_SHARED_NOEXEC __pgprot(_PAGE_VALID | __ACCESS_BITS | _PAGE_FOE) -+# define PAGE_COPY_NOEXEC __pgprot(_PAGE_VALID | __ACCESS_BITS | _PAGE_FOW | _PAGE_FOE) -+# define PAGE_READONLY_NOEXEC __pgprot(_PAGE_VALID | __ACCESS_BITS | _PAGE_FOW | _PAGE_FOE) -+#else -+# define PAGE_SHARED_NOEXEC PAGE_SHARED -+# define PAGE_COPY_NOEXEC PAGE_COPY -+# define PAGE_READONLY_NOEXEC PAGE_READONLY -+#endif -+ - #define PAGE_KERNEL __pgprot(_PAGE_VALID | _PAGE_ASM | _PAGE_KRE | _PAGE_KWE) - - #define _PAGE_NORMAL(x) __pgprot(_PAGE_VALID | __ACCESS_BITS | (x)) -diff -urNp linux-2.6.39.3/arch/alpha/kernel/core_apecs.c linux-2.6.39.3/arch/alpha/kernel/core_apecs.c ---- linux-2.6.39.3/arch/alpha/kernel/core_apecs.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/alpha/kernel/core_apecs.c 2011-05-22 19:36:30.000000000 -0400 -@@ -305,7 +305,7 @@ apecs_write_config(struct pci_bus *bus, - return PCIBIOS_SUCCESSFUL; - } - --struct pci_ops apecs_pci_ops = -+const struct pci_ops apecs_pci_ops = - { - .read = apecs_read_config, - .write = apecs_write_config, -diff -urNp linux-2.6.39.3/arch/alpha/kernel/core_cia.c linux-2.6.39.3/arch/alpha/kernel/core_cia.c ---- linux-2.6.39.3/arch/alpha/kernel/core_cia.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/alpha/kernel/core_cia.c 2011-05-22 19:36:30.000000000 -0400 -@@ -239,7 +239,7 @@ cia_write_config(struct pci_bus *bus, un - return PCIBIOS_SUCCESSFUL; - } - --struct pci_ops cia_pci_ops = -+const struct pci_ops cia_pci_ops = - { - .read = cia_read_config, - .write = cia_write_config, -diff -urNp linux-2.6.39.3/arch/alpha/kernel/core_irongate.c linux-2.6.39.3/arch/alpha/kernel/core_irongate.c ---- linux-2.6.39.3/arch/alpha/kernel/core_irongate.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/alpha/kernel/core_irongate.c 2011-05-22 19:36:30.000000000 -0400 -@@ -155,7 +155,7 @@ irongate_write_config(struct pci_bus *bu - return PCIBIOS_SUCCESSFUL; - } - --struct pci_ops irongate_pci_ops = -+const struct pci_ops irongate_pci_ops = - { - .read = irongate_read_config, - .write = irongate_write_config, -diff -urNp linux-2.6.39.3/arch/alpha/kernel/core_lca.c linux-2.6.39.3/arch/alpha/kernel/core_lca.c ---- linux-2.6.39.3/arch/alpha/kernel/core_lca.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/alpha/kernel/core_lca.c 2011-05-22 19:36:30.000000000 -0400 -@@ -231,7 +231,7 @@ lca_write_config(struct pci_bus *bus, un - return PCIBIOS_SUCCESSFUL; - } - --struct pci_ops lca_pci_ops = -+const struct pci_ops lca_pci_ops = - { - .read = lca_read_config, - .write = lca_write_config, -diff -urNp linux-2.6.39.3/arch/alpha/kernel/core_marvel.c linux-2.6.39.3/arch/alpha/kernel/core_marvel.c ---- linux-2.6.39.3/arch/alpha/kernel/core_marvel.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/alpha/kernel/core_marvel.c 2011-05-22 19:36:30.000000000 -0400 -@@ -588,7 +588,7 @@ marvel_write_config(struct pci_bus *bus, - return PCIBIOS_SUCCESSFUL; - } - --struct pci_ops marvel_pci_ops = -+const struct pci_ops marvel_pci_ops = - { - .read = marvel_read_config, - .write = marvel_write_config, -diff -urNp linux-2.6.39.3/arch/alpha/kernel/core_mcpcia.c linux-2.6.39.3/arch/alpha/kernel/core_mcpcia.c ---- linux-2.6.39.3/arch/alpha/kernel/core_mcpcia.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/alpha/kernel/core_mcpcia.c 2011-05-22 19:36:30.000000000 -0400 -@@ -235,7 +235,7 @@ mcpcia_write_config(struct pci_bus *bus, - return PCIBIOS_SUCCESSFUL; - } - --struct pci_ops mcpcia_pci_ops = -+const struct pci_ops mcpcia_pci_ops = - { - .read = mcpcia_read_config, - .write = mcpcia_write_config, -diff -urNp linux-2.6.39.3/arch/alpha/kernel/core_polaris.c linux-2.6.39.3/arch/alpha/kernel/core_polaris.c ---- linux-2.6.39.3/arch/alpha/kernel/core_polaris.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/alpha/kernel/core_polaris.c 2011-05-22 19:36:30.000000000 -0400 -@@ -136,7 +136,7 @@ polaris_write_config(struct pci_bus *bus - return PCIBIOS_SUCCESSFUL; - } - --struct pci_ops polaris_pci_ops = -+const struct pci_ops polaris_pci_ops = - { - .read = polaris_read_config, - .write = polaris_write_config, -diff -urNp linux-2.6.39.3/arch/alpha/kernel/core_t2.c linux-2.6.39.3/arch/alpha/kernel/core_t2.c ---- linux-2.6.39.3/arch/alpha/kernel/core_t2.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/alpha/kernel/core_t2.c 2011-05-22 19:36:30.000000000 -0400 -@@ -314,7 +314,7 @@ t2_write_config(struct pci_bus *bus, uns - return PCIBIOS_SUCCESSFUL; - } - --struct pci_ops t2_pci_ops = -+const struct pci_ops t2_pci_ops = - { - .read = t2_read_config, - .write = t2_write_config, -diff -urNp linux-2.6.39.3/arch/alpha/kernel/core_titan.c linux-2.6.39.3/arch/alpha/kernel/core_titan.c ---- linux-2.6.39.3/arch/alpha/kernel/core_titan.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/alpha/kernel/core_titan.c 2011-05-22 19:36:30.000000000 -0400 -@@ -191,7 +191,7 @@ titan_write_config(struct pci_bus *bus, - return PCIBIOS_SUCCESSFUL; - } - --struct pci_ops titan_pci_ops = -+const struct pci_ops titan_pci_ops = - { - .read = titan_read_config, - .write = titan_write_config, -diff -urNp linux-2.6.39.3/arch/alpha/kernel/core_tsunami.c linux-2.6.39.3/arch/alpha/kernel/core_tsunami.c ---- linux-2.6.39.3/arch/alpha/kernel/core_tsunami.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/alpha/kernel/core_tsunami.c 2011-05-22 19:36:30.000000000 -0400 -@@ -166,7 +166,7 @@ tsunami_write_config(struct pci_bus *bus - return PCIBIOS_SUCCESSFUL; - } - --struct pci_ops tsunami_pci_ops = -+const struct pci_ops tsunami_pci_ops = - { - .read = tsunami_read_config, - .write = tsunami_write_config, -diff -urNp linux-2.6.39.3/arch/alpha/kernel/core_wildfire.c linux-2.6.39.3/arch/alpha/kernel/core_wildfire.c ---- linux-2.6.39.3/arch/alpha/kernel/core_wildfire.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/alpha/kernel/core_wildfire.c 2011-05-22 19:36:30.000000000 -0400 -@@ -431,7 +431,7 @@ wildfire_write_config(struct pci_bus *bu - return PCIBIOS_SUCCESSFUL; - } - --struct pci_ops wildfire_pci_ops = -+const struct pci_ops wildfire_pci_ops = - { - .read = wildfire_read_config, - .write = wildfire_write_config, -diff -urNp linux-2.6.39.3/arch/alpha/kernel/module.c linux-2.6.39.3/arch/alpha/kernel/module.c ---- linux-2.6.39.3/arch/alpha/kernel/module.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/alpha/kernel/module.c 2011-05-22 19:36:30.000000000 -0400 -@@ -182,7 +182,7 @@ apply_relocate_add(Elf64_Shdr *sechdrs, - - /* The small sections were sorted to the end of the segment. - The following should definitely cover them. */ -- gp = (u64)me->module_core + me->core_size - 0x8000; -+ gp = (u64)me->module_core_rw + me->core_size_rw - 0x8000; - got = sechdrs[me->arch.gotsecindex].sh_addr; - - for (i = 0; i < n; i++) { -diff -urNp linux-2.6.39.3/arch/alpha/kernel/osf_sys.c linux-2.6.39.3/arch/alpha/kernel/osf_sys.c ---- linux-2.6.39.3/arch/alpha/kernel/osf_sys.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/alpha/kernel/osf_sys.c 2011-06-13 17:19:07.000000000 -0400 -@@ -409,7 +409,7 @@ SYSCALL_DEFINE2(osf_getdomainname, char - return -EFAULT; - - len = namelen; -- if (namelen > 32) -+ if (len > 32) - len = 32; - - down_read(&uts_sem); -@@ -594,7 +594,7 @@ SYSCALL_DEFINE3(osf_sysinfo, int, comman - down_read(&uts_sem); - res = sysinfo_table[offset]; - len = strlen(res)+1; -- if (len > count) -+ if ((unsigned long)len > (unsigned long)count) - len = count; - if (copy_to_user(buf, res, len)) - err = -EFAULT; -@@ -649,7 +649,7 @@ SYSCALL_DEFINE5(osf_getsysinfo, unsigned - return 1; - - case GSI_GET_HWRPB: -- if (nbytes < sizeof(*hwrpb)) -+ if (nbytes > sizeof(*hwrpb)) - return -EINVAL; - if (copy_to_user(buffer, hwrpb, nbytes) != 0) - return -EFAULT; -@@ -1008,6 +1008,7 @@ SYSCALL_DEFINE4(osf_wait4, pid_t, pid, i - { - struct rusage r; - long ret, err; -+ unsigned int status = 0; - mm_segment_t old_fs; - - if (!ur) -@@ -1016,13 +1017,15 @@ SYSCALL_DEFINE4(osf_wait4, pid_t, pid, i - old_fs = get_fs(); - - set_fs (KERNEL_DS); -- ret = sys_wait4(pid, ustatus, options, (struct rusage __user *) &r); -+ ret = sys_wait4(pid, (unsigned int __user *) &status, options, -+ (struct rusage __user *) &r); - set_fs (old_fs); - - if (!access_ok(VERIFY_WRITE, ur, sizeof(*ur))) - return -EFAULT; - - err = 0; -+ err |= put_user(status, ustatus); - err |= __put_user(r.ru_utime.tv_sec, &ur->ru_utime.tv_sec); - err |= __put_user(r.ru_utime.tv_usec, &ur->ru_utime.tv_usec); - err |= __put_user(r.ru_stime.tv_sec, &ur->ru_stime.tv_sec); -@@ -1142,7 +1145,7 @@ arch_get_unmapped_area_1(unsigned long a - /* At this point: (!vma || addr < vma->vm_end). */ - if (limit - len < addr) - return -ENOMEM; -- if (!vma || addr + len <= vma->vm_start) -+ if (check_heap_stack_gap(vma, addr, len)) - return addr; - addr = vma->vm_end; - vma = vma->vm_next; -@@ -1178,6 +1181,10 @@ arch_get_unmapped_area(struct file *filp - merely specific addresses, but regions of memory -- perhaps - this feature should be incorporated into all ports? */ - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(current->mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ - if (addr) { - addr = arch_get_unmapped_area_1 (PAGE_ALIGN(addr), len, limit); - if (addr != (unsigned long) -ENOMEM) -@@ -1185,8 +1192,8 @@ arch_get_unmapped_area(struct file *filp - } - - /* Next, try allocating at TASK_UNMAPPED_BASE. */ -- addr = arch_get_unmapped_area_1 (PAGE_ALIGN(TASK_UNMAPPED_BASE), -- len, limit); -+ addr = arch_get_unmapped_area_1 (PAGE_ALIGN(current->mm->mmap_base), len, limit); -+ - if (addr != (unsigned long) -ENOMEM) - return addr; - -diff -urNp linux-2.6.39.3/arch/alpha/kernel/pci_iommu.c linux-2.6.39.3/arch/alpha/kernel/pci_iommu.c ---- linux-2.6.39.3/arch/alpha/kernel/pci_iommu.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/alpha/kernel/pci_iommu.c 2011-05-22 19:36:30.000000000 -0400 -@@ -950,7 +950,7 @@ static int alpha_pci_set_mask(struct dev - return 0; - } - --struct dma_map_ops alpha_pci_ops = { -+const struct dma_map_ops alpha_pci_ops = { - .alloc_coherent = alpha_pci_alloc_coherent, - .free_coherent = alpha_pci_free_coherent, - .map_page = alpha_pci_map_page, -@@ -962,5 +962,5 @@ struct dma_map_ops alpha_pci_ops = { - .set_dma_mask = alpha_pci_set_mask, - }; - --struct dma_map_ops *dma_ops = &alpha_pci_ops; -+const struct dma_map_ops *dma_ops = &alpha_pci_ops; - EXPORT_SYMBOL(dma_ops); -diff -urNp linux-2.6.39.3/arch/alpha/kernel/pci-noop.c linux-2.6.39.3/arch/alpha/kernel/pci-noop.c ---- linux-2.6.39.3/arch/alpha/kernel/pci-noop.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/alpha/kernel/pci-noop.c 2011-05-22 19:36:30.000000000 -0400 -@@ -173,7 +173,7 @@ static int alpha_noop_set_mask(struct de - return 0; - } - --struct dma_map_ops alpha_noop_ops = { -+const struct dma_map_ops alpha_noop_ops = { - .alloc_coherent = alpha_noop_alloc_coherent, - .free_coherent = alpha_noop_free_coherent, - .map_page = alpha_noop_map_page, -@@ -183,7 +183,7 @@ struct dma_map_ops alpha_noop_ops = { - .set_dma_mask = alpha_noop_set_mask, - }; - --struct dma_map_ops *dma_ops = &alpha_noop_ops; -+const struct dma_map_ops *dma_ops = &alpha_noop_ops; - EXPORT_SYMBOL(dma_ops); - - void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long maxlen) -diff -urNp linux-2.6.39.3/arch/alpha/kernel/proto.h linux-2.6.39.3/arch/alpha/kernel/proto.h ---- linux-2.6.39.3/arch/alpha/kernel/proto.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/alpha/kernel/proto.h 2011-05-22 19:36:30.000000000 -0400 -@@ -17,14 +17,14 @@ struct pci_dev; - struct pci_controller; - - /* core_apecs.c */ --extern struct pci_ops apecs_pci_ops; -+extern const struct pci_ops apecs_pci_ops; - extern void apecs_init_arch(void); - extern void apecs_pci_clr_err(void); - extern void apecs_machine_check(unsigned long vector, unsigned long la_ptr); - extern void apecs_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t); - - /* core_cia.c */ --extern struct pci_ops cia_pci_ops; -+extern const struct pci_ops cia_pci_ops; - extern void cia_init_pci(void); - extern void cia_init_arch(void); - extern void pyxis_init_arch(void); -@@ -33,19 +33,19 @@ extern void cia_machine_check(unsigned l - extern void cia_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t); - - /* core_irongate.c */ --extern struct pci_ops irongate_pci_ops; -+extern const struct pci_ops irongate_pci_ops; - extern int irongate_pci_clr_err(void); - extern void irongate_init_arch(void); - #define irongate_pci_tbi ((void *)0) - - /* core_lca.c */ --extern struct pci_ops lca_pci_ops; -+extern const struct pci_ops lca_pci_ops; - extern void lca_init_arch(void); - extern void lca_machine_check(unsigned long vector, unsigned long la_ptr); - extern void lca_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t); - - /* core_marvel.c */ --extern struct pci_ops marvel_pci_ops; -+extern const struct pci_ops marvel_pci_ops; - extern void marvel_init_arch(void); - extern void marvel_kill_arch(int); - extern void marvel_machine_check(unsigned long, unsigned long); -@@ -60,14 +60,14 @@ struct io7 *marvel_next_io7(struct io7 * - void io7_clear_errors(struct io7 *io7); - - /* core_mcpcia.c */ --extern struct pci_ops mcpcia_pci_ops; -+extern const struct pci_ops mcpcia_pci_ops; - extern void mcpcia_init_arch(void); - extern void mcpcia_init_hoses(void); - extern void mcpcia_machine_check(unsigned long vector, unsigned long la_ptr); - extern void mcpcia_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t); - - /* core_polaris.c */ --extern struct pci_ops polaris_pci_ops; -+extern const struct pci_ops polaris_pci_ops; - extern int polaris_read_config_dword(struct pci_dev *, int, u32 *); - extern int polaris_write_config_dword(struct pci_dev *, int, u32); - extern void polaris_init_arch(void); -@@ -75,14 +75,14 @@ extern void polaris_machine_check(unsign - #define polaris_pci_tbi ((void *)0) - - /* core_t2.c */ --extern struct pci_ops t2_pci_ops; -+extern const struct pci_ops t2_pci_ops; - extern void t2_init_arch(void); - extern void t2_kill_arch(int); - extern void t2_machine_check(unsigned long vector, unsigned long la_ptr); - extern void t2_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t); - - /* core_titan.c */ --extern struct pci_ops titan_pci_ops; -+extern const struct pci_ops titan_pci_ops; - extern void titan_init_arch(void); - extern void titan_kill_arch(int); - extern void titan_machine_check(unsigned long, unsigned long); -@@ -90,14 +90,14 @@ extern void titan_pci_tbi(struct pci_con - extern struct _alpha_agp_info *titan_agp_info(void); - - /* core_tsunami.c */ --extern struct pci_ops tsunami_pci_ops; -+extern const struct pci_ops tsunami_pci_ops; - extern void tsunami_init_arch(void); - extern void tsunami_kill_arch(int); - extern void tsunami_machine_check(unsigned long vector, unsigned long la_ptr); - extern void tsunami_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t); - - /* core_wildfire.c */ --extern struct pci_ops wildfire_pci_ops; -+extern const struct pci_ops wildfire_pci_ops; - extern void wildfire_init_arch(void); - extern void wildfire_kill_arch(int); - extern void wildfire_machine_check(unsigned long vector, unsigned long la_ptr); -diff -urNp linux-2.6.39.3/arch/alpha/mm/fault.c linux-2.6.39.3/arch/alpha/mm/fault.c ---- linux-2.6.39.3/arch/alpha/mm/fault.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/alpha/mm/fault.c 2011-05-22 19:36:30.000000000 -0400 -@@ -54,6 +54,124 @@ __load_new_mm_context(struct mm_struct * - __reload_thread(pcb); - } - -+#ifdef CONFIG_PAX_PAGEEXEC -+/* -+ * PaX: decide what to do with offenders (regs->pc = fault address) -+ * -+ * returns 1 when task should be killed -+ * 2 when patched PLT trampoline was detected -+ * 3 when unpatched PLT trampoline was detected -+ */ -+static int pax_handle_fetch_fault(struct pt_regs *regs) -+{ -+ -+#ifdef CONFIG_PAX_EMUPLT -+ int err; -+ -+ do { /* PaX: patched PLT emulation #1 */ -+ unsigned int ldah, ldq, jmp; -+ -+ err = get_user(ldah, (unsigned int *)regs->pc); -+ err |= get_user(ldq, (unsigned int *)(regs->pc+4)); -+ err |= get_user(jmp, (unsigned int *)(regs->pc+8)); -+ -+ if (err) -+ break; -+ -+ if ((ldah & 0xFFFF0000U) == 0x277B0000U && -+ (ldq & 0xFFFF0000U) == 0xA77B0000U && -+ jmp == 0x6BFB0000U) -+ { -+ unsigned long r27, addr; -+ unsigned long addrh = (ldah | 0xFFFFFFFFFFFF0000UL) << 16; -+ unsigned long addrl = ldq | 0xFFFFFFFFFFFF0000UL; -+ -+ addr = regs->r27 + ((addrh ^ 0x80000000UL) + 0x80000000UL) + ((addrl ^ 0x8000UL) + 0x8000UL); -+ err = get_user(r27, (unsigned long *)addr); -+ if (err) -+ break; -+ -+ regs->r27 = r27; -+ regs->pc = r27; -+ return 2; -+ } -+ } while (0); -+ -+ do { /* PaX: patched PLT emulation #2 */ -+ unsigned int ldah, lda, br; -+ -+ err = get_user(ldah, (unsigned int *)regs->pc); -+ err |= get_user(lda, (unsigned int *)(regs->pc+4)); -+ err |= get_user(br, (unsigned int *)(regs->pc+8)); -+ -+ if (err) -+ break; -+ -+ if ((ldah & 0xFFFF0000U) == 0x277B0000U && -+ (lda & 0xFFFF0000U) == 0xA77B0000U && -+ (br & 0xFFE00000U) == 0xC3E00000U) -+ { -+ unsigned long addr = br | 0xFFFFFFFFFFE00000UL; -+ unsigned long addrh = (ldah | 0xFFFFFFFFFFFF0000UL) << 16; -+ unsigned long addrl = lda | 0xFFFFFFFFFFFF0000UL; -+ -+ regs->r27 += ((addrh ^ 0x80000000UL) + 0x80000000UL) + ((addrl ^ 0x8000UL) + 0x8000UL); -+ regs->pc += 12 + (((addr ^ 0x00100000UL) + 0x00100000UL) << 2); -+ return 2; -+ } -+ } while (0); -+ -+ do { /* PaX: unpatched PLT emulation */ -+ unsigned int br; -+ -+ err = get_user(br, (unsigned int *)regs->pc); -+ -+ if (!err && (br & 0xFFE00000U) == 0xC3800000U) { -+ unsigned int br2, ldq, nop, jmp; -+ unsigned long addr = br | 0xFFFFFFFFFFE00000UL, resolver; -+ -+ addr = regs->pc + 4 + (((addr ^ 0x00100000UL) + 0x00100000UL) << 2); -+ err = get_user(br2, (unsigned int *)addr); -+ err |= get_user(ldq, (unsigned int *)(addr+4)); -+ err |= get_user(nop, (unsigned int *)(addr+8)); -+ err |= get_user(jmp, (unsigned int *)(addr+12)); -+ err |= get_user(resolver, (unsigned long *)(addr+16)); -+ -+ if (err) -+ break; -+ -+ if (br2 == 0xC3600000U && -+ ldq == 0xA77B000CU && -+ nop == 0x47FF041FU && -+ jmp == 0x6B7B0000U) -+ { -+ regs->r28 = regs->pc+4; -+ regs->r27 = addr+16; -+ regs->pc = resolver; -+ return 3; -+ } -+ } -+ } while (0); -+#endif -+ -+ return 1; -+} -+ -+void pax_report_insns(void *pc, void *sp) -+{ -+ unsigned long i; -+ -+ printk(KERN_ERR "PAX: bytes at PC: "); -+ for (i = 0; i < 5; i++) { -+ unsigned int c; -+ if (get_user(c, (unsigned int *)pc+i)) -+ printk(KERN_CONT "???????? "); -+ else -+ printk(KERN_CONT "%08x ", c); -+ } -+ printk("\n"); -+} -+#endif - - /* - * This routine handles page faults. It determines the address, -@@ -131,8 +249,29 @@ do_page_fault(unsigned long address, uns - good_area: - si_code = SEGV_ACCERR; - if (cause < 0) { -- if (!(vma->vm_flags & VM_EXEC)) -+ if (!(vma->vm_flags & VM_EXEC)) { -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+ if (!(mm->pax_flags & MF_PAX_PAGEEXEC) || address != regs->pc) -+ goto bad_area; -+ -+ up_read(&mm->mmap_sem); -+ switch (pax_handle_fetch_fault(regs)) { -+ -+#ifdef CONFIG_PAX_EMUPLT -+ case 2: -+ case 3: -+ return; -+#endif -+ -+ } -+ pax_report_fault(regs, (void *)regs->pc, (void *)rdusp()); -+ do_group_exit(SIGKILL); -+#else - goto bad_area; -+#endif -+ -+ } - } else if (!cause) { - /* Allow reads even for write-only mappings */ - if (!(vma->vm_flags & (VM_READ | VM_WRITE))) -diff -urNp linux-2.6.39.3/arch/arm/common/it8152.c linux-2.6.39.3/arch/arm/common/it8152.c ---- linux-2.6.39.3/arch/arm/common/it8152.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/arm/common/it8152.c 2011-05-22 19:36:30.000000000 -0400 -@@ -221,7 +221,7 @@ static int it8152_pci_write_config(struc - return PCIBIOS_SUCCESSFUL; - } - --static struct pci_ops it8152_ops = { -+static const struct pci_ops it8152_ops = { - .read = it8152_pci_read_config, - .write = it8152_pci_write_config, - }; -diff -urNp linux-2.6.39.3/arch/arm/common/via82c505.c linux-2.6.39.3/arch/arm/common/via82c505.c ---- linux-2.6.39.3/arch/arm/common/via82c505.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/arm/common/via82c505.c 2011-05-22 19:36:30.000000000 -0400 -@@ -52,7 +52,7 @@ via82c505_write_config(struct pci_bus *b - return PCIBIOS_SUCCESSFUL; - } - --static struct pci_ops via82c505_ops = { -+static const struct pci_ops via82c505_ops = { - .read = via82c505_read_config, - .write = via82c505_write_config, - }; -diff -urNp linux-2.6.39.3/arch/arm/include/asm/cacheflush.h linux-2.6.39.3/arch/arm/include/asm/cacheflush.h ---- linux-2.6.39.3/arch/arm/include/asm/cacheflush.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/arm/include/asm/cacheflush.h 2011-05-22 19:36:30.000000000 -0400 -@@ -115,7 +115,7 @@ struct cpu_cache_fns { - */ - #ifdef MULTI_CACHE - --extern struct cpu_cache_fns cpu_cache; -+extern const struct cpu_cache_fns cpu_cache; - - #define __cpuc_flush_icache_all cpu_cache.flush_icache_all - #define __cpuc_flush_kern_all cpu_cache.flush_kern_all -diff -urNp linux-2.6.39.3/arch/arm/include/asm/elf.h linux-2.6.39.3/arch/arm/include/asm/elf.h ---- linux-2.6.39.3/arch/arm/include/asm/elf.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/arm/include/asm/elf.h 2011-05-22 19:36:30.000000000 -0400 -@@ -115,7 +115,14 @@ int dump_task_regs(struct task_struct *t - the loader. We need to make sure that it is out of the way of the program - that it will "exec", and that there is sufficient room for the brk. */ - --#define ELF_ET_DYN_BASE (2 * TASK_SIZE / 3) -+#define ELF_ET_DYN_BASE (TASK_SIZE / 3 * 2) -+ -+#ifdef CONFIG_PAX_ASLR -+#define PAX_ELF_ET_DYN_BASE 0x00008000UL -+ -+#define PAX_DELTA_MMAP_LEN ((current->personality == PER_LINUX_32BIT) ? 16 : 10) -+#define PAX_DELTA_STACK_LEN ((current->personality == PER_LINUX_32BIT) ? 16 : 10) -+#endif - - /* When the program starts, a1 contains a pointer to a function to be - registered with atexit, as per the SVR4 ABI. A value of 0 means we -@@ -125,10 +132,6 @@ int dump_task_regs(struct task_struct *t - extern void elf_set_personality(const struct elf32_hdr *); - #define SET_PERSONALITY(ex) elf_set_personality(&(ex)) - --struct mm_struct; --extern unsigned long arch_randomize_brk(struct mm_struct *mm); --#define arch_randomize_brk arch_randomize_brk -- - extern int vectors_user_mapping(void); - #define arch_setup_additional_pages(bprm, uses_interp) vectors_user_mapping() - #define ARCH_HAS_SETUP_ADDITIONAL_PAGES -diff -urNp linux-2.6.39.3/arch/arm/include/asm/kmap_types.h linux-2.6.39.3/arch/arm/include/asm/kmap_types.h ---- linux-2.6.39.3/arch/arm/include/asm/kmap_types.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/arm/include/asm/kmap_types.h 2011-05-22 19:36:30.000000000 -0400 -@@ -21,6 +21,7 @@ enum km_type { - KM_L1_CACHE, - KM_L2_CACHE, - KM_KDB, -+ KM_CLEARPAGE, - KM_TYPE_NR - }; - -diff -urNp linux-2.6.39.3/arch/arm/include/asm/outercache.h linux-2.6.39.3/arch/arm/include/asm/outercache.h ---- linux-2.6.39.3/arch/arm/include/asm/outercache.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/arm/include/asm/outercache.h 2011-05-22 19:36:30.000000000 -0400 -@@ -38,7 +38,7 @@ struct outer_cache_fns { - - #ifdef CONFIG_OUTER_CACHE - --extern struct outer_cache_fns outer_cache; -+extern const struct outer_cache_fns outer_cache; - - static inline void outer_inv_range(phys_addr_t start, phys_addr_t end) - { -diff -urNp linux-2.6.39.3/arch/arm/include/asm/page.h linux-2.6.39.3/arch/arm/include/asm/page.h ---- linux-2.6.39.3/arch/arm/include/asm/page.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/arm/include/asm/page.h 2011-05-22 19:36:30.000000000 -0400 -@@ -126,7 +126,7 @@ struct cpu_user_fns { - }; - - #ifdef MULTI_USER --extern struct cpu_user_fns cpu_user; -+extern const struct cpu_user_fns cpu_user; - - #define __cpu_clear_user_highpage cpu_user.cpu_clear_user_highpage - #define __cpu_copy_user_highpage cpu_user.cpu_copy_user_highpage -diff -urNp linux-2.6.39.3/arch/arm/include/asm/uaccess.h linux-2.6.39.3/arch/arm/include/asm/uaccess.h ---- linux-2.6.39.3/arch/arm/include/asm/uaccess.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/arm/include/asm/uaccess.h 2011-06-29 21:04:12.000000000 -0400 -@@ -22,6 +22,8 @@ - #define VERIFY_READ 0 - #define VERIFY_WRITE 1 - -+extern void check_object_size(const void *ptr, unsigned long n, bool to); -+ - /* - * The exception table consists of pairs of addresses: the first is the - * address of an instruction that is allowed to fault, and the second is -@@ -387,8 +389,23 @@ do { \ - - - #ifdef CONFIG_MMU --extern unsigned long __must_check __copy_from_user(void *to, const void __user *from, unsigned long n); --extern unsigned long __must_check __copy_to_user(void __user *to, const void *from, unsigned long n); -+extern unsigned long __must_check ___copy_from_user(void *to, const void __user *from, unsigned long n); -+extern unsigned long __must_check ___copy_to_user(void __user *to, const void *from, unsigned long n); -+ -+static inline unsigned long __must_check __copy_from_user(void *to, const void __user *from, unsigned long n) -+{ -+ if (!__builtin_constant_p(n)) -+ check_object_size(to, n, false); -+ return ___copy_from_user(to, from, n); -+} -+ -+static inline unsigned long __must_check __copy_to_user(void __user *to, const void *from, unsigned long n) -+{ -+ if (!__builtin_constant_p(n)) -+ check_object_size(from, n, true); -+ return ___copy_to_user(to, from, n); -+} -+ - extern unsigned long __must_check __copy_to_user_std(void __user *to, const void *from, unsigned long n); - extern unsigned long __must_check __clear_user(void __user *addr, unsigned long n); - extern unsigned long __must_check __clear_user_std(void __user *addr, unsigned long n); -@@ -403,6 +420,9 @@ extern unsigned long __must_check __strn - - static inline unsigned long __must_check copy_from_user(void *to, const void __user *from, unsigned long n) - { -+ if ((long)n < 0) -+ return n; -+ - if (access_ok(VERIFY_READ, from, n)) - n = __copy_from_user(to, from, n); - else /* security hole - plug it */ -@@ -412,6 +432,9 @@ static inline unsigned long __must_check - - static inline unsigned long __must_check copy_to_user(void __user *to, const void *from, unsigned long n) - { -+ if ((long)n < 0) -+ return n; -+ - if (access_ok(VERIFY_WRITE, to, n)) - n = __copy_to_user(to, from, n); - return n; -diff -urNp linux-2.6.39.3/arch/arm/kernel/armksyms.c linux-2.6.39.3/arch/arm/kernel/armksyms.c ---- linux-2.6.39.3/arch/arm/kernel/armksyms.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/arm/kernel/armksyms.c 2011-07-06 19:52:45.000000000 -0400 -@@ -98,8 +98,8 @@ EXPORT_SYMBOL(__strncpy_from_user); - #ifdef CONFIG_MMU - EXPORT_SYMBOL(copy_page); - --EXPORT_SYMBOL(__copy_from_user); --EXPORT_SYMBOL(__copy_to_user); -+EXPORT_SYMBOL(___copy_from_user); -+EXPORT_SYMBOL(___copy_to_user); - EXPORT_SYMBOL(__clear_user); - - EXPORT_SYMBOL(__get_user_1); -diff -urNp linux-2.6.39.3/arch/arm/kernel/kgdb.c linux-2.6.39.3/arch/arm/kernel/kgdb.c ---- linux-2.6.39.3/arch/arm/kernel/kgdb.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/arm/kernel/kgdb.c 2011-05-22 19:36:30.000000000 -0400 -@@ -246,7 +246,7 @@ void kgdb_arch_exit(void) - * and we handle the normal undef case within the do_undefinstr - * handler. - */ --struct kgdb_arch arch_kgdb_ops = { -+const struct kgdb_arch arch_kgdb_ops = { - #ifndef __ARMEB__ - .gdb_bpt_instr = {0xfe, 0xde, 0xff, 0xe7} - #else /* ! __ARMEB__ */ -diff -urNp linux-2.6.39.3/arch/arm/kernel/process.c linux-2.6.39.3/arch/arm/kernel/process.c ---- linux-2.6.39.3/arch/arm/kernel/process.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/arm/kernel/process.c 2011-05-22 19:36:30.000000000 -0400 -@@ -28,7 +28,6 @@ - #include <linux/tick.h> - #include <linux/utsname.h> - #include <linux/uaccess.h> --#include <linux/random.h> - #include <linux/hw_breakpoint.h> - - #include <asm/cacheflush.h> -@@ -479,12 +478,6 @@ unsigned long get_wchan(struct task_stru - return 0; - } - --unsigned long arch_randomize_brk(struct mm_struct *mm) --{ -- unsigned long range_end = mm->brk + 0x02000000; -- return randomize_range(mm->brk, range_end, 0) ? : mm->brk; --} -- - #ifdef CONFIG_MMU - /* - * The vectors page is always readable from user space for the -diff -urNp linux-2.6.39.3/arch/arm/kernel/traps.c linux-2.6.39.3/arch/arm/kernel/traps.c ---- linux-2.6.39.3/arch/arm/kernel/traps.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/arm/kernel/traps.c 2011-06-13 21:30:34.000000000 -0400 -@@ -258,6 +258,8 @@ static int __die(const char *str, int er - - static DEFINE_SPINLOCK(die_lock); - -+extern void gr_handle_kernel_exploit(void); -+ - /* - * This function is protected against re-entrancy. - */ -@@ -285,6 +287,9 @@ void die(const char *str, struct pt_regs - panic("Fatal exception in interrupt"); - if (panic_on_oops) - panic("Fatal exception"); -+ -+ gr_handle_kernel_exploit(); -+ - if (ret != NOTIFY_STOP) - do_exit(SIGSEGV); - } -diff -urNp linux-2.6.39.3/arch/arm/lib/copy_from_user.S linux-2.6.39.3/arch/arm/lib/copy_from_user.S ---- linux-2.6.39.3/arch/arm/lib/copy_from_user.S 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/arm/lib/copy_from_user.S 2011-06-29 20:58:18.000000000 -0400 -@@ -16,7 +16,7 @@ - /* - * Prototype: - * -- * size_t __copy_from_user(void *to, const void *from, size_t n) -+ * size_t ___copy_from_user(void *to, const void *from, size_t n) - * - * Purpose: - * -@@ -84,11 +84,11 @@ - - .text - --ENTRY(__copy_from_user) -+ENTRY(___copy_from_user) - - #include "copy_template.S" - --ENDPROC(__copy_from_user) -+ENDPROC(___copy_from_user) - - .pushsection .fixup,"ax" - .align 0 -diff -urNp linux-2.6.39.3/arch/arm/lib/copy_to_user.S linux-2.6.39.3/arch/arm/lib/copy_to_user.S ---- linux-2.6.39.3/arch/arm/lib/copy_to_user.S 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/arm/lib/copy_to_user.S 2011-06-29 20:59:20.000000000 -0400 -@@ -16,7 +16,7 @@ - /* - * Prototype: - * -- * size_t __copy_to_user(void *to, const void *from, size_t n) -+ * size_t ___copy_to_user(void *to, const void *from, size_t n) - * - * Purpose: - * -@@ -88,11 +88,11 @@ - .text - - ENTRY(__copy_to_user_std) --WEAK(__copy_to_user) -+WEAK(___copy_to_user) - - #include "copy_template.S" - --ENDPROC(__copy_to_user) -+ENDPROC(___copy_to_user) - ENDPROC(__copy_to_user_std) - - .pushsection .fixup,"ax" -diff -urNp linux-2.6.39.3/arch/arm/lib/uaccess.S linux-2.6.39.3/arch/arm/lib/uaccess.S ---- linux-2.6.39.3/arch/arm/lib/uaccess.S 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/arm/lib/uaccess.S 2011-06-29 20:59:01.000000000 -0400 -@@ -20,7 +20,7 @@ - - #define PAGE_SHIFT 12 - --/* Prototype: int __copy_to_user(void *to, const char *from, size_t n) -+/* Prototype: int ___copy_to_user(void *to, const char *from, size_t n) - * Purpose : copy a block to user memory from kernel memory - * Params : to - user memory - * : from - kernel memory -@@ -40,7 +40,7 @@ USER( T(strgtb) r3, [r0], #1) @ May f - sub r2, r2, ip - b .Lc2u_dest_aligned - --ENTRY(__copy_to_user) -+ENTRY(___copy_to_user) - stmfd sp!, {r2, r4 - r7, lr} - cmp r2, #4 - blt .Lc2u_not_enough -@@ -278,14 +278,14 @@ USER( T(strgeb) r3, [r0], #1) @ May f - ldrgtb r3, [r1], #0 - USER( T(strgtb) r3, [r0], #1) @ May fault - b .Lc2u_finished --ENDPROC(__copy_to_user) -+ENDPROC(___copy_to_user) - - .pushsection .fixup,"ax" - .align 0 - 9001: ldmfd sp!, {r0, r4 - r7, pc} - .popsection - --/* Prototype: unsigned long __copy_from_user(void *to,const void *from,unsigned long n); -+/* Prototype: unsigned long ___copy_from_user(void *to,const void *from,unsigned long n); - * Purpose : copy a block from user memory to kernel memory - * Params : to - kernel memory - * : from - user memory -@@ -304,7 +304,7 @@ USER( T(ldrgtb) r3, [r1], #1) @ May f - sub r2, r2, ip - b .Lcfu_dest_aligned - --ENTRY(__copy_from_user) -+ENTRY(___copy_from_user) - stmfd sp!, {r0, r2, r4 - r7, lr} - cmp r2, #4 - blt .Lcfu_not_enough -@@ -544,7 +544,7 @@ USER( T(ldrgeb) r3, [r1], #1) @ May f - USER( T(ldrgtb) r3, [r1], #1) @ May fault - strgtb r3, [r0], #1 - b .Lcfu_finished --ENDPROC(__copy_from_user) -+ENDPROC(___copy_from_user) - - .pushsection .fixup,"ax" - .align 0 -diff -urNp linux-2.6.39.3/arch/arm/lib/uaccess_with_memcpy.c linux-2.6.39.3/arch/arm/lib/uaccess_with_memcpy.c ---- linux-2.6.39.3/arch/arm/lib/uaccess_with_memcpy.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/arm/lib/uaccess_with_memcpy.c 2011-06-29 20:59:55.000000000 -0400 -@@ -103,7 +103,7 @@ out: - } - - unsigned long --__copy_to_user(void __user *to, const void *from, unsigned long n) -+___copy_to_user(void __user *to, const void *from, unsigned long n) - { - /* - * This test is stubbed out of the main function above to keep -diff -urNp linux-2.6.39.3/arch/arm/mach-cns3xxx/pcie.c linux-2.6.39.3/arch/arm/mach-cns3xxx/pcie.c ---- linux-2.6.39.3/arch/arm/mach-cns3xxx/pcie.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/arm/mach-cns3xxx/pcie.c 2011-05-22 19:36:30.000000000 -0400 -@@ -162,7 +162,7 @@ static int cns3xxx_pci_setup(int nr, str - return 1; - } - --static struct pci_ops cns3xxx_pcie_ops = { -+static const struct pci_ops cns3xxx_pcie_ops = { - .read = cns3xxx_pci_read_config, - .write = cns3xxx_pci_write_config, - }; -diff -urNp linux-2.6.39.3/arch/arm/mach-dove/pcie.c linux-2.6.39.3/arch/arm/mach-dove/pcie.c ---- linux-2.6.39.3/arch/arm/mach-dove/pcie.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/arm/mach-dove/pcie.c 2011-05-22 19:36:30.000000000 -0400 -@@ -155,7 +155,7 @@ static int pcie_wr_conf(struct pci_bus * - return ret; - } - --static struct pci_ops pcie_ops = { -+static const struct pci_ops pcie_ops = { - .read = pcie_rd_conf, - .write = pcie_wr_conf, - }; -diff -urNp linux-2.6.39.3/arch/arm/mach-footbridge/dc21285.c linux-2.6.39.3/arch/arm/mach-footbridge/dc21285.c ---- linux-2.6.39.3/arch/arm/mach-footbridge/dc21285.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/arm/mach-footbridge/dc21285.c 2011-05-22 19:36:30.000000000 -0400 -@@ -129,7 +129,7 @@ dc21285_write_config(struct pci_bus *bus - return PCIBIOS_SUCCESSFUL; - } - --static struct pci_ops dc21285_ops = { -+static const struct pci_ops dc21285_ops = { - .read = dc21285_read_config, - .write = dc21285_write_config, - }; -diff -urNp linux-2.6.39.3/arch/arm/mach-integrator/pci_v3.c linux-2.6.39.3/arch/arm/mach-integrator/pci_v3.c ---- linux-2.6.39.3/arch/arm/mach-integrator/pci_v3.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/arm/mach-integrator/pci_v3.c 2011-05-22 19:36:30.000000000 -0400 -@@ -340,7 +340,7 @@ static int v3_write_config(struct pci_bu - return PCIBIOS_SUCCESSFUL; - } - --static struct pci_ops pci_v3_ops = { -+static const struct pci_ops pci_v3_ops = { - .read = v3_read_config, - .write = v3_write_config, - }; -diff -urNp linux-2.6.39.3/arch/arm/mach-iop13xx/pci.c linux-2.6.39.3/arch/arm/mach-iop13xx/pci.c ---- linux-2.6.39.3/arch/arm/mach-iop13xx/pci.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/arm/mach-iop13xx/pci.c 2011-05-22 19:36:30.000000000 -0400 -@@ -324,7 +324,7 @@ iop13xx_atux_write_config(struct pci_bus - return PCIBIOS_SUCCESSFUL; - } - --static struct pci_ops iop13xx_atux_ops = { -+static const struct pci_ops iop13xx_atux_ops = { - .read = iop13xx_atux_read_config, - .write = iop13xx_atux_write_config, - }; -@@ -471,7 +471,7 @@ iop13xx_atue_write_config(struct pci_bus - return PCIBIOS_SUCCESSFUL; - } - --static struct pci_ops iop13xx_atue_ops = { -+static const struct pci_ops iop13xx_atue_ops = { - .read = iop13xx_atue_read_config, - .write = iop13xx_atue_write_config, - }; -diff -urNp linux-2.6.39.3/arch/arm/mach-ixp2000/enp2611.c linux-2.6.39.3/arch/arm/mach-ixp2000/enp2611.c ---- linux-2.6.39.3/arch/arm/mach-ixp2000/enp2611.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/arm/mach-ixp2000/enp2611.c 2011-05-22 19:36:30.000000000 -0400 -@@ -137,7 +137,7 @@ static int enp2611_pci_write_config(stru - return PCIBIOS_DEVICE_NOT_FOUND; - } - --static struct pci_ops enp2611_pci_ops = { -+static const struct pci_ops enp2611_pci_ops = { - .read = enp2611_pci_read_config, - .write = enp2611_pci_write_config - }; -diff -urNp linux-2.6.39.3/arch/arm/mach-ixp2000/pci.c linux-2.6.39.3/arch/arm/mach-ixp2000/pci.c ---- linux-2.6.39.3/arch/arm/mach-ixp2000/pci.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/arm/mach-ixp2000/pci.c 2011-05-22 19:36:30.000000000 -0400 -@@ -125,7 +125,7 @@ int ixp2000_pci_write_config(struct pci_ - } - - --static struct pci_ops ixp2000_pci_ops = { -+static const struct pci_ops ixp2000_pci_ops = { - .read = ixp2000_pci_read_config, - .write = ixp2000_pci_write_config - }; -diff -urNp linux-2.6.39.3/arch/arm/mach-ixp23xx/pci.c linux-2.6.39.3/arch/arm/mach-ixp23xx/pci.c ---- linux-2.6.39.3/arch/arm/mach-ixp23xx/pci.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/arm/mach-ixp23xx/pci.c 2011-05-22 19:36:30.000000000 -0400 -@@ -136,7 +136,7 @@ static int ixp23xx_pci_write_config(stru - return PCIBIOS_SUCCESSFUL; - } - --struct pci_ops ixp23xx_pci_ops = { -+const struct pci_ops ixp23xx_pci_ops = { - .read = ixp23xx_pci_read_config, - .write = ixp23xx_pci_write_config, - }; -diff -urNp linux-2.6.39.3/arch/arm/mach-ixp4xx/common-pci.c linux-2.6.39.3/arch/arm/mach-ixp4xx/common-pci.c ---- linux-2.6.39.3/arch/arm/mach-ixp4xx/common-pci.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/arm/mach-ixp4xx/common-pci.c 2011-05-22 19:36:30.000000000 -0400 -@@ -283,7 +283,7 @@ static int ixp4xx_pci_write_config(struc - return PCIBIOS_SUCCESSFUL; - } - --struct pci_ops ixp4xx_ops = { -+const struct pci_ops ixp4xx_ops = { - .read = ixp4xx_pci_read_config, - .write = ixp4xx_pci_write_config, - }; -diff -urNp linux-2.6.39.3/arch/arm/mach-kirkwood/pcie.c linux-2.6.39.3/arch/arm/mach-kirkwood/pcie.c ---- linux-2.6.39.3/arch/arm/mach-kirkwood/pcie.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/arm/mach-kirkwood/pcie.c 2011-05-22 19:36:30.000000000 -0400 -@@ -111,7 +111,7 @@ static int pcie_wr_conf(struct pci_bus * - return ret; - } - --static struct pci_ops pcie_ops = { -+static const struct pci_ops pcie_ops = { - .read = pcie_rd_conf, - .write = pcie_wr_conf, - }; -diff -urNp linux-2.6.39.3/arch/arm/mach-ks8695/pci.c linux-2.6.39.3/arch/arm/mach-ks8695/pci.c ---- linux-2.6.39.3/arch/arm/mach-ks8695/pci.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/arm/mach-ks8695/pci.c 2011-05-22 19:36:30.000000000 -0400 -@@ -136,7 +136,7 @@ static void ks8695_local_writeconfig(int - __raw_writel(value, KS8695_PCI_VA + KS8695_PBCD); - } - --static struct pci_ops ks8695_pci_ops = { -+static const struct pci_ops ks8695_pci_ops = { - .read = ks8695_pci_readconfig, - .write = ks8695_pci_writeconfig, - }; -diff -urNp linux-2.6.39.3/arch/arm/mach-mmp/clock.c linux-2.6.39.3/arch/arm/mach-mmp/clock.c ---- linux-2.6.39.3/arch/arm/mach-mmp/clock.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/arm/mach-mmp/clock.c 2011-05-22 19:36:30.000000000 -0400 -@@ -29,7 +29,7 @@ static void apbc_clk_disable(struct clk - __raw_writel(0, clk->clk_rst); - } - --struct clkops apbc_clk_ops = { -+const struct clkops apbc_clk_ops = { - .enable = apbc_clk_enable, - .disable = apbc_clk_disable, - }; -@@ -44,7 +44,7 @@ static void apmu_clk_disable(struct clk - __raw_writel(0, clk->clk_rst); - } - --struct clkops apmu_clk_ops = { -+const struct clkops apmu_clk_ops = { - .enable = apmu_clk_enable, - .disable = apmu_clk_disable, - }; -diff -urNp linux-2.6.39.3/arch/arm/mach-msm/iommu.c linux-2.6.39.3/arch/arm/mach-msm/iommu.c ---- linux-2.6.39.3/arch/arm/mach-msm/iommu.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/arm/mach-msm/iommu.c 2011-05-22 19:36:30.000000000 -0400 -@@ -669,7 +669,7 @@ fail: - return 0; - } - --static struct iommu_ops msm_iommu_ops = { -+static const struct iommu_ops msm_iommu_ops = { - .domain_init = msm_iommu_domain_init, - .domain_destroy = msm_iommu_domain_destroy, - .attach_dev = msm_iommu_attach_dev, -diff -urNp linux-2.6.39.3/arch/arm/mach-msm/last_radio_log.c linux-2.6.39.3/arch/arm/mach-msm/last_radio_log.c ---- linux-2.6.39.3/arch/arm/mach-msm/last_radio_log.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/arm/mach-msm/last_radio_log.c 2011-05-22 19:36:30.000000000 -0400 -@@ -48,6 +48,7 @@ static ssize_t last_radio_log_read(struc - } - - static struct file_operations last_radio_log_fops = { -+ /* cannot be const, see msm_init_last_radio_log */ - .read = last_radio_log_read, - .llseek = default_llseek, - }; -diff -urNp linux-2.6.39.3/arch/arm/mach-mv78xx0/pcie.c linux-2.6.39.3/arch/arm/mach-mv78xx0/pcie.c ---- linux-2.6.39.3/arch/arm/mach-mv78xx0/pcie.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/arm/mach-mv78xx0/pcie.c 2011-05-22 19:36:30.000000000 -0400 -@@ -222,7 +222,7 @@ static int pcie_wr_conf(struct pci_bus * - return ret; - } - --static struct pci_ops pcie_ops = { -+static const struct pci_ops pcie_ops = { - .read = pcie_rd_conf, - .write = pcie_wr_conf, - }; -diff -urNp linux-2.6.39.3/arch/arm/mach-orion5x/pci.c linux-2.6.39.3/arch/arm/mach-orion5x/pci.c ---- linux-2.6.39.3/arch/arm/mach-orion5x/pci.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/arm/mach-orion5x/pci.c 2011-05-22 19:36:30.000000000 -0400 -@@ -130,7 +130,7 @@ static int pcie_wr_conf(struct pci_bus * - return ret; - } - --static struct pci_ops pcie_ops = { -+static const struct pci_ops pcie_ops = { - .read = pcie_rd_conf, - .write = pcie_wr_conf, - }; -@@ -368,7 +368,7 @@ static int orion5x_pci_wr_conf(struct pc - PCI_FUNC(devfn), where, size, val); - } - --static struct pci_ops pci_ops = { -+static const struct pci_ops pci_ops = { - .read = orion5x_pci_rd_conf, - .write = orion5x_pci_wr_conf, - }; -diff -urNp linux-2.6.39.3/arch/arm/mach-sa1100/pci-nanoengine.c linux-2.6.39.3/arch/arm/mach-sa1100/pci-nanoengine.c ---- linux-2.6.39.3/arch/arm/mach-sa1100/pci-nanoengine.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/arm/mach-sa1100/pci-nanoengine.c 2011-05-22 19:36:30.000000000 -0400 -@@ -117,7 +117,7 @@ static int nanoengine_write_config(struc - return PCIBIOS_SUCCESSFUL; - } - --static struct pci_ops pci_nano_ops = { -+static const struct pci_ops pci_nano_ops = { - .read = nanoengine_read_config, - .write = nanoengine_write_config, - }; -diff -urNp linux-2.6.39.3/arch/arm/mach-tegra/pcie.c linux-2.6.39.3/arch/arm/mach-tegra/pcie.c ---- linux-2.6.39.3/arch/arm/mach-tegra/pcie.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/arm/mach-tegra/pcie.c 2011-05-22 19:36:30.000000000 -0400 -@@ -336,7 +336,7 @@ static int tegra_pcie_write_conf(struct - return PCIBIOS_SUCCESSFUL; - } - --static struct pci_ops tegra_pcie_ops = { -+static const struct pci_ops tegra_pcie_ops = { - .read = tegra_pcie_read_conf, - .write = tegra_pcie_write_conf, - }; -diff -urNp linux-2.6.39.3/arch/arm/mach-ux500/mbox-db5500.c linux-2.6.39.3/arch/arm/mach-ux500/mbox-db5500.c ---- linux-2.6.39.3/arch/arm/mach-ux500/mbox-db5500.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/arm/mach-ux500/mbox-db5500.c 2011-05-22 19:41:32.000000000 -0400 -@@ -168,7 +168,7 @@ static ssize_t mbox_read_fifo(struct dev - return sprintf(buf, "0x%X\n", mbox_value); - } - --static DEVICE_ATTR(fifo, S_IWUGO | S_IRUGO, mbox_read_fifo, mbox_write_fifo); -+static DEVICE_ATTR(fifo, S_IWUSR | S_IRUGO, mbox_read_fifo, mbox_write_fifo); - - static int mbox_show(struct seq_file *s, void *data) - { -diff -urNp linux-2.6.39.3/arch/arm/mach-versatile/pci.c linux-2.6.39.3/arch/arm/mach-versatile/pci.c ---- linux-2.6.39.3/arch/arm/mach-versatile/pci.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/arm/mach-versatile/pci.c 2011-05-22 19:36:30.000000000 -0400 -@@ -165,7 +165,7 @@ static int versatile_write_config(struct - return PCIBIOS_SUCCESSFUL; - } - --static struct pci_ops pci_versatile_ops = { -+static const struct pci_ops pci_versatile_ops = { - .read = versatile_read_config, - .write = versatile_write_config, - }; -diff -urNp linux-2.6.39.3/arch/arm/mm/fault.c linux-2.6.39.3/arch/arm/mm/fault.c ---- linux-2.6.39.3/arch/arm/mm/fault.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/arm/mm/fault.c 2011-05-22 19:36:30.000000000 -0400 -@@ -182,6 +182,13 @@ __do_user_fault(struct task_struct *tsk, - } - #endif - -+#ifdef CONFIG_PAX_PAGEEXEC -+ if (fsr & FSR_LNX_PF) { -+ pax_report_fault(regs, (void *)regs->ARM_pc, (void *)regs->ARM_sp); -+ do_group_exit(SIGKILL); -+ } -+#endif -+ - tsk->thread.address = addr; - tsk->thread.error_code = fsr; - tsk->thread.trap_no = 14; -@@ -379,6 +386,33 @@ do_page_fault(unsigned long addr, unsign - } - #endif /* CONFIG_MMU */ - -+#ifdef CONFIG_PAX_PAGEEXEC -+void pax_report_insns(void *pc, void *sp) -+{ -+ long i; -+ -+ printk(KERN_ERR "PAX: bytes at PC: "); -+ for (i = 0; i < 20; i++) { -+ unsigned char c; -+ if (get_user(c, (__force unsigned char __user *)pc+i)) -+ printk(KERN_CONT "?? "); -+ else -+ printk(KERN_CONT "%02x ", c); -+ } -+ printk("\n"); -+ -+ printk(KERN_ERR "PAX: bytes at SP-4: "); -+ for (i = -1; i < 20; i++) { -+ unsigned long c; -+ if (get_user(c, (__force unsigned long __user *)sp+i)) -+ printk(KERN_CONT "???????? "); -+ else -+ printk(KERN_CONT "%08lx ", c); -+ } -+ printk("\n"); -+} -+#endif -+ - /* - * First Level Translation Fault Handler - * -diff -urNp linux-2.6.39.3/arch/arm/mm/mmap.c linux-2.6.39.3/arch/arm/mm/mmap.c ---- linux-2.6.39.3/arch/arm/mm/mmap.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/arm/mm/mmap.c 2011-05-22 19:36:30.000000000 -0400 -@@ -65,6 +65,10 @@ arch_get_unmapped_area(struct file *filp - if (len > TASK_SIZE) - return -ENOMEM; - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ - if (addr) { - if (do_align) - addr = COLOUR_ALIGN(addr, pgoff); -@@ -72,15 +76,14 @@ arch_get_unmapped_area(struct file *filp - addr = PAGE_ALIGN(addr); - - vma = find_vma(mm, addr); -- if (TASK_SIZE - len >= addr && -- (!vma || addr + len <= vma->vm_start)) -+ if (TASK_SIZE - len >= addr && check_heap_stack_gap(vma, addr, len)) - return addr; - } - if (len > mm->cached_hole_size) { -- start_addr = addr = mm->free_area_cache; -+ start_addr = addr = mm->free_area_cache; - } else { -- start_addr = addr = TASK_UNMAPPED_BASE; -- mm->cached_hole_size = 0; -+ start_addr = addr = mm->mmap_base; -+ mm->cached_hole_size = 0; - } - /* 8 bits of randomness in 20 address space bits */ - if ((current->flags & PF_RANDOMIZE) && -@@ -100,14 +103,14 @@ full_search: - * Start a new search - just in case we missed - * some holes. - */ -- if (start_addr != TASK_UNMAPPED_BASE) { -- start_addr = addr = TASK_UNMAPPED_BASE; -+ if (start_addr != mm->mmap_base) { -+ start_addr = addr = mm->mmap_base; - mm->cached_hole_size = 0; - goto full_search; - } - return -ENOMEM; - } -- if (!vma || addr + len <= vma->vm_start) { -+ if (check_heap_stack_gap(vma, addr, len)) { - /* - * Remember the place where we stopped the search: - */ -diff -urNp linux-2.6.39.3/arch/arm/plat-iop/pci.c linux-2.6.39.3/arch/arm/plat-iop/pci.c ---- linux-2.6.39.3/arch/arm/plat-iop/pci.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/arm/plat-iop/pci.c 2011-05-22 19:36:30.000000000 -0400 -@@ -161,7 +161,7 @@ iop3xx_write_config(struct pci_bus *bus, - return PCIBIOS_SUCCESSFUL; - } - --static struct pci_ops iop3xx_ops = { -+static const struct pci_ops iop3xx_ops = { - .read = iop3xx_read_config, - .write = iop3xx_write_config, - }; -diff -urNp linux-2.6.39.3/arch/avr32/include/asm/elf.h linux-2.6.39.3/arch/avr32/include/asm/elf.h ---- linux-2.6.39.3/arch/avr32/include/asm/elf.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/avr32/include/asm/elf.h 2011-05-22 19:36:30.000000000 -0400 -@@ -84,8 +84,14 @@ typedef struct user_fpu_struct elf_fpreg - the loader. We need to make sure that it is out of the way of the program - that it will "exec", and that there is sufficient room for the brk. */ - --#define ELF_ET_DYN_BASE (2 * TASK_SIZE / 3) -+#define ELF_ET_DYN_BASE (TASK_SIZE / 3 * 2) - -+#ifdef CONFIG_PAX_ASLR -+#define PAX_ELF_ET_DYN_BASE 0x00001000UL -+ -+#define PAX_DELTA_MMAP_LEN 15 -+#define PAX_DELTA_STACK_LEN 15 -+#endif - - /* This yields a mask that user programs can use to figure out what - instruction set this CPU supports. This could be done in user space, -diff -urNp linux-2.6.39.3/arch/avr32/include/asm/kmap_types.h linux-2.6.39.3/arch/avr32/include/asm/kmap_types.h ---- linux-2.6.39.3/arch/avr32/include/asm/kmap_types.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/avr32/include/asm/kmap_types.h 2011-05-22 19:36:30.000000000 -0400 -@@ -22,7 +22,8 @@ D(10) KM_IRQ0, - D(11) KM_IRQ1, - D(12) KM_SOFTIRQ0, - D(13) KM_SOFTIRQ1, --D(14) KM_TYPE_NR -+D(14) KM_CLEARPAGE, -+D(15) KM_TYPE_NR - }; - - #undef D -diff -urNp linux-2.6.39.3/arch/avr32/mm/fault.c linux-2.6.39.3/arch/avr32/mm/fault.c ---- linux-2.6.39.3/arch/avr32/mm/fault.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/avr32/mm/fault.c 2011-05-22 19:36:30.000000000 -0400 -@@ -41,6 +41,23 @@ static inline int notify_page_fault(stru - - int exception_trace = 1; - -+#ifdef CONFIG_PAX_PAGEEXEC -+void pax_report_insns(void *pc, void *sp) -+{ -+ unsigned long i; -+ -+ printk(KERN_ERR "PAX: bytes at PC: "); -+ for (i = 0; i < 20; i++) { -+ unsigned char c; -+ if (get_user(c, (unsigned char *)pc+i)) -+ printk(KERN_CONT "???????? "); -+ else -+ printk(KERN_CONT "%02x ", c); -+ } -+ printk("\n"); -+} -+#endif -+ - /* - * This routine handles page faults. It determines the address and the - * problem, and then passes it off to one of the appropriate routines. -@@ -156,6 +173,16 @@ bad_area: - up_read(&mm->mmap_sem); - - if (user_mode(regs)) { -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+ if (mm->pax_flags & MF_PAX_PAGEEXEC) { -+ if (ecr == ECR_PROTECTION_X || ecr == ECR_TLB_MISS_X) { -+ pax_report_fault(regs, (void *)regs->pc, (void *)regs->sp); -+ do_group_exit(SIGKILL); -+ } -+ } -+#endif -+ - if (exception_trace && printk_ratelimit()) - printk("%s%s[%d]: segfault at %08lx pc %08lx " - "sp %08lx ecr %lu\n", -diff -urNp linux-2.6.39.3/arch/blackfin/kernel/kgdb.c linux-2.6.39.3/arch/blackfin/kernel/kgdb.c ---- linux-2.6.39.3/arch/blackfin/kernel/kgdb.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/blackfin/kernel/kgdb.c 2011-05-22 19:36:30.000000000 -0400 -@@ -420,7 +420,7 @@ int kgdb_arch_handle_exception(int vecto - return -1; /* this means that we do not want to exit from the handler */ - } - --struct kgdb_arch arch_kgdb_ops = { -+const struct kgdb_arch arch_kgdb_ops = { - .gdb_bpt_instr = {0xa1}, - .flags = KGDB_HW_BREAKPOINT, - .set_hw_breakpoint = bfin_set_hw_break, -diff -urNp linux-2.6.39.3/arch/blackfin/mm/maccess.c linux-2.6.39.3/arch/blackfin/mm/maccess.c ---- linux-2.6.39.3/arch/blackfin/mm/maccess.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/blackfin/mm/maccess.c 2011-05-22 19:36:30.000000000 -0400 -@@ -16,7 +16,7 @@ static int validate_memory_access_addres - return bfin_mem_access_type(addr, size); - } - --long probe_kernel_read(void *dst, void *src, size_t size) -+long probe_kernel_read(void *dst, const void *src, size_t size) - { - unsigned long lsrc = (unsigned long)src; - int mem_type; -@@ -55,7 +55,7 @@ long probe_kernel_read(void *dst, void * - return -EFAULT; - } - --long probe_kernel_write(void *dst, void *src, size_t size) -+long probe_kernel_write(void *dst, const void *src, size_t size) - { - unsigned long ldst = (unsigned long)dst; - int mem_type; -diff -urNp linux-2.6.39.3/arch/frv/include/asm/kmap_types.h linux-2.6.39.3/arch/frv/include/asm/kmap_types.h ---- linux-2.6.39.3/arch/frv/include/asm/kmap_types.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/frv/include/asm/kmap_types.h 2011-05-22 19:36:30.000000000 -0400 -@@ -23,6 +23,7 @@ enum km_type { - KM_IRQ1, - KM_SOFTIRQ0, - KM_SOFTIRQ1, -+ KM_CLEARPAGE, - KM_TYPE_NR - }; - -diff -urNp linux-2.6.39.3/arch/frv/mb93090-mb00/pci-frv.h linux-2.6.39.3/arch/frv/mb93090-mb00/pci-frv.h ---- linux-2.6.39.3/arch/frv/mb93090-mb00/pci-frv.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/frv/mb93090-mb00/pci-frv.h 2011-05-22 19:36:30.000000000 -0400 -@@ -34,7 +34,7 @@ void pcibios_resource_survey(void); - - extern int __nongpreldata pcibios_last_bus; - extern struct pci_bus *__nongpreldata pci_root_bus; --extern struct pci_ops *__nongpreldata pci_root_ops; -+extern const struct pci_ops *__nongpreldata pci_root_ops; - - /* pci-irq.c */ - extern unsigned int pcibios_irq_mask; -diff -urNp linux-2.6.39.3/arch/frv/mb93090-mb00/pci-vdk.c linux-2.6.39.3/arch/frv/mb93090-mb00/pci-vdk.c ---- linux-2.6.39.3/arch/frv/mb93090-mb00/pci-vdk.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/frv/mb93090-mb00/pci-vdk.c 2011-05-22 19:36:30.000000000 -0400 -@@ -27,7 +27,7 @@ unsigned int __nongpreldata pci_probe = - - int __nongpreldata pcibios_last_bus = -1; - struct pci_bus *__nongpreldata pci_root_bus; --struct pci_ops *__nongpreldata pci_root_ops; -+const struct pci_ops *__nongpreldata pci_root_ops; - - /* - * The accessible PCI window does not cover the entire CPU address space, but -@@ -169,7 +169,7 @@ static int pci_frv_write_config(struct p - return PCIBIOS_SUCCESSFUL; - } - --static struct pci_ops pci_direct_frv = { -+static const struct pci_ops pci_direct_frv = { - pci_frv_read_config, - pci_frv_write_config, - }; -@@ -356,7 +356,7 @@ void __init pcibios_fixup_bus(struct pci - - int __init pcibios_init(void) - { -- struct pci_ops *dir = NULL; -+ const struct pci_ops *dir = NULL; - - if (!mb93090_mb00_detected) - return -ENXIO; -diff -urNp linux-2.6.39.3/arch/frv/mm/elf-fdpic.c linux-2.6.39.3/arch/frv/mm/elf-fdpic.c ---- linux-2.6.39.3/arch/frv/mm/elf-fdpic.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/frv/mm/elf-fdpic.c 2011-05-22 19:36:30.000000000 -0400 -@@ -73,8 +73,7 @@ unsigned long arch_get_unmapped_area(str - if (addr) { - addr = PAGE_ALIGN(addr); - vma = find_vma(current->mm, addr); -- if (TASK_SIZE - len >= addr && -- (!vma || addr + len <= vma->vm_start)) -+ if (TASK_SIZE - len >= addr && check_heap_stack_gap(vma, addr, len)) - goto success; - } - -@@ -89,7 +88,7 @@ unsigned long arch_get_unmapped_area(str - for (; vma; vma = vma->vm_next) { - if (addr > limit) - break; -- if (addr + len <= vma->vm_start) -+ if (check_heap_stack_gap(vma, addr, len)) - goto success; - addr = vma->vm_end; - } -@@ -104,7 +103,7 @@ unsigned long arch_get_unmapped_area(str - for (; vma; vma = vma->vm_next) { - if (addr > limit) - break; -- if (addr + len <= vma->vm_start) -+ if (check_heap_stack_gap(vma, addr, len)) - goto success; - addr = vma->vm_end; - } -diff -urNp linux-2.6.39.3/arch/ia64/hp/common/hwsw_iommu.c linux-2.6.39.3/arch/ia64/hp/common/hwsw_iommu.c ---- linux-2.6.39.3/arch/ia64/hp/common/hwsw_iommu.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/ia64/hp/common/hwsw_iommu.c 2011-05-22 19:36:30.000000000 -0400 -@@ -17,7 +17,7 @@ - #include <linux/swiotlb.h> - #include <asm/machvec.h> - --extern struct dma_map_ops sba_dma_ops, swiotlb_dma_ops; -+extern const struct dma_map_ops sba_dma_ops, swiotlb_dma_ops; - - /* swiotlb declarations & definitions: */ - extern int swiotlb_late_init_with_default_size (size_t size); -@@ -33,7 +33,7 @@ static inline int use_swiotlb(struct dev - !sba_dma_ops.dma_supported(dev, *dev->dma_mask); - } - --struct dma_map_ops *hwsw_dma_get_ops(struct device *dev) -+const struct dma_map_ops *hwsw_dma_get_ops(struct device *dev) - { - if (use_swiotlb(dev)) - return &swiotlb_dma_ops; -diff -urNp linux-2.6.39.3/arch/ia64/hp/common/sba_iommu.c linux-2.6.39.3/arch/ia64/hp/common/sba_iommu.c ---- linux-2.6.39.3/arch/ia64/hp/common/sba_iommu.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/ia64/hp/common/sba_iommu.c 2011-05-22 19:36:30.000000000 -0400 -@@ -2097,7 +2097,7 @@ static struct acpi_driver acpi_sba_ioc_d - }, - }; - --extern struct dma_map_ops swiotlb_dma_ops; -+extern const struct dma_map_ops swiotlb_dma_ops; - - static int __init - sba_init(void) -@@ -2211,7 +2211,7 @@ sba_page_override(char *str) - - __setup("sbapagesize=",sba_page_override); - --struct dma_map_ops sba_dma_ops = { -+const struct dma_map_ops sba_dma_ops = { - .alloc_coherent = sba_alloc_coherent, - .free_coherent = sba_free_coherent, - .map_page = sba_map_page, -diff -urNp linux-2.6.39.3/arch/ia64/include/asm/dma-mapping.h linux-2.6.39.3/arch/ia64/include/asm/dma-mapping.h ---- linux-2.6.39.3/arch/ia64/include/asm/dma-mapping.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/ia64/include/asm/dma-mapping.h 2011-05-22 19:36:30.000000000 -0400 -@@ -14,7 +14,7 @@ - - #define DMA_ERROR_CODE 0 - --extern struct dma_map_ops *dma_ops; -+extern const struct dma_map_ops *dma_ops; - extern struct ia64_machine_vector ia64_mv; - extern void set_iommu_machvec(void); - -@@ -26,7 +26,7 @@ extern void machvec_dma_sync_sg(struct d - static inline void *dma_alloc_coherent(struct device *dev, size_t size, - dma_addr_t *daddr, gfp_t gfp) - { -- struct dma_map_ops *ops = platform_dma_get_ops(dev); -+ const struct dma_map_ops *ops = platform_dma_get_ops(dev); - void *caddr; - - caddr = ops->alloc_coherent(dev, size, daddr, gfp); -@@ -37,7 +37,7 @@ static inline void *dma_alloc_coherent(s - static inline void dma_free_coherent(struct device *dev, size_t size, - void *caddr, dma_addr_t daddr) - { -- struct dma_map_ops *ops = platform_dma_get_ops(dev); -+ const struct dma_map_ops *ops = platform_dma_get_ops(dev); - debug_dma_free_coherent(dev, size, caddr, daddr); - ops->free_coherent(dev, size, caddr, daddr); - } -@@ -51,13 +51,13 @@ static inline void dma_free_coherent(str - - static inline int dma_mapping_error(struct device *dev, dma_addr_t daddr) - { -- struct dma_map_ops *ops = platform_dma_get_ops(dev); -+ const struct dma_map_ops *ops = platform_dma_get_ops(dev); - return ops->mapping_error(dev, daddr); - } - - static inline int dma_supported(struct device *dev, u64 mask) - { -- struct dma_map_ops *ops = platform_dma_get_ops(dev); -+ const struct dma_map_ops *ops = platform_dma_get_ops(dev); - return ops->dma_supported(dev, mask); - } - -diff -urNp linux-2.6.39.3/arch/ia64/include/asm/elf.h linux-2.6.39.3/arch/ia64/include/asm/elf.h ---- linux-2.6.39.3/arch/ia64/include/asm/elf.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/ia64/include/asm/elf.h 2011-05-22 19:36:30.000000000 -0400 -@@ -42,6 +42,13 @@ - */ - #define ELF_ET_DYN_BASE (TASK_UNMAPPED_BASE + 0x800000000UL) - -+#ifdef CONFIG_PAX_ASLR -+#define PAX_ELF_ET_DYN_BASE (current->personality == PER_LINUX32 ? 0x08048000UL : 0x4000000000000000UL) -+ -+#define PAX_DELTA_MMAP_LEN (current->personality == PER_LINUX32 ? 16 : 3*PAGE_SHIFT - 13) -+#define PAX_DELTA_STACK_LEN (current->personality == PER_LINUX32 ? 16 : 3*PAGE_SHIFT - 13) -+#endif -+ - #define PT_IA_64_UNWIND 0x70000001 - - /* IA-64 relocations: */ -diff -urNp linux-2.6.39.3/arch/ia64/include/asm/machvec.h linux-2.6.39.3/arch/ia64/include/asm/machvec.h ---- linux-2.6.39.3/arch/ia64/include/asm/machvec.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/ia64/include/asm/machvec.h 2011-05-22 19:36:30.000000000 -0400 -@@ -45,7 +45,7 @@ typedef void ia64_mv_kernel_launch_event - /* DMA-mapping interface: */ - typedef void ia64_mv_dma_init (void); - typedef u64 ia64_mv_dma_get_required_mask (struct device *); --typedef struct dma_map_ops *ia64_mv_dma_get_ops(struct device *); -+typedef const struct dma_map_ops *ia64_mv_dma_get_ops(struct device *); - - /* - * WARNING: The legacy I/O space is _architected_. Platforms are -@@ -251,7 +251,7 @@ extern void machvec_init_from_cmdline(co - # endif /* CONFIG_IA64_GENERIC */ - - extern void swiotlb_dma_init(void); --extern struct dma_map_ops *dma_get_ops(struct device *); -+extern const struct dma_map_ops *dma_get_ops(struct device *); - - /* - * Define default versions so we can extend machvec for new platforms without having -diff -urNp linux-2.6.39.3/arch/ia64/include/asm/pgtable.h linux-2.6.39.3/arch/ia64/include/asm/pgtable.h ---- linux-2.6.39.3/arch/ia64/include/asm/pgtable.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/ia64/include/asm/pgtable.h 2011-05-22 19:36:30.000000000 -0400 -@@ -12,7 +12,7 @@ - * David Mosberger-Tang <davidm@hpl.hp.com> - */ - -- -+#include <linux/const.h> - #include <asm/mman.h> - #include <asm/page.h> - #include <asm/processor.h> -@@ -143,6 +143,17 @@ - #define PAGE_READONLY __pgprot(__ACCESS_BITS | _PAGE_PL_3 | _PAGE_AR_R) - #define PAGE_COPY __pgprot(__ACCESS_BITS | _PAGE_PL_3 | _PAGE_AR_R) - #define PAGE_COPY_EXEC __pgprot(__ACCESS_BITS | _PAGE_PL_3 | _PAGE_AR_RX) -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+# define PAGE_SHARED_NOEXEC __pgprot(__ACCESS_BITS | _PAGE_PL_3 | _PAGE_AR_RW) -+# define PAGE_READONLY_NOEXEC __pgprot(__ACCESS_BITS | _PAGE_PL_3 | _PAGE_AR_R) -+# define PAGE_COPY_NOEXEC __pgprot(__ACCESS_BITS | _PAGE_PL_3 | _PAGE_AR_R) -+#else -+# define PAGE_SHARED_NOEXEC PAGE_SHARED -+# define PAGE_READONLY_NOEXEC PAGE_READONLY -+# define PAGE_COPY_NOEXEC PAGE_COPY -+#endif -+ - #define PAGE_GATE __pgprot(__ACCESS_BITS | _PAGE_PL_0 | _PAGE_AR_X_RX) - #define PAGE_KERNEL __pgprot(__DIRTY_BITS | _PAGE_PL_0 | _PAGE_AR_RWX) - #define PAGE_KERNELRX __pgprot(__ACCESS_BITS | _PAGE_PL_0 | _PAGE_AR_RX) -diff -urNp linux-2.6.39.3/arch/ia64/include/asm/spinlock.h linux-2.6.39.3/arch/ia64/include/asm/spinlock.h ---- linux-2.6.39.3/arch/ia64/include/asm/spinlock.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/ia64/include/asm/spinlock.h 2011-05-22 19:36:30.000000000 -0400 -@@ -72,7 +72,7 @@ static __always_inline void __ticket_spi - unsigned short *p = (unsigned short *)&lock->lock + 1, tmp; - - asm volatile ("ld2.bias %0=[%1]" : "=r"(tmp) : "r"(p)); -- ACCESS_ONCE(*p) = (tmp + 2) & ~1; -+ ACCESS_ONCE_RW(*p) = (tmp + 2) & ~1; - } - - static __always_inline void __ticket_spin_unlock_wait(arch_spinlock_t *lock) -diff -urNp linux-2.6.39.3/arch/ia64/include/asm/uaccess.h linux-2.6.39.3/arch/ia64/include/asm/uaccess.h ---- linux-2.6.39.3/arch/ia64/include/asm/uaccess.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/ia64/include/asm/uaccess.h 2011-05-22 19:36:30.000000000 -0400 -@@ -257,7 +257,7 @@ __copy_from_user (void *to, const void _ - const void *__cu_from = (from); \ - long __cu_len = (n); \ - \ -- if (__access_ok(__cu_to, __cu_len, get_fs())) \ -+ if (__cu_len > 0 && __cu_len <= INT_MAX && __access_ok(__cu_to, __cu_len, get_fs())) \ - __cu_len = __copy_user(__cu_to, (__force void __user *) __cu_from, __cu_len); \ - __cu_len; \ - }) -@@ -269,7 +269,7 @@ __copy_from_user (void *to, const void _ - long __cu_len = (n); \ - \ - __chk_user_ptr(__cu_from); \ -- if (__access_ok(__cu_from, __cu_len, get_fs())) \ -+ if (__cu_len > 0 && __cu_len <= INT_MAX && __access_ok(__cu_from, __cu_len, get_fs())) \ - __cu_len = __copy_user((__force void __user *) __cu_to, __cu_from, __cu_len); \ - __cu_len; \ - }) -diff -urNp linux-2.6.39.3/arch/ia64/kernel/dma-mapping.c linux-2.6.39.3/arch/ia64/kernel/dma-mapping.c ---- linux-2.6.39.3/arch/ia64/kernel/dma-mapping.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/ia64/kernel/dma-mapping.c 2011-05-22 19:36:30.000000000 -0400 -@@ -3,7 +3,7 @@ - /* Set this to 1 if there is a HW IOMMU in the system */ - int iommu_detected __read_mostly; - --struct dma_map_ops *dma_ops; -+const struct dma_map_ops *dma_ops; - EXPORT_SYMBOL(dma_ops); - - #define PREALLOC_DMA_DEBUG_ENTRIES (1 << 16) -@@ -16,7 +16,7 @@ static int __init dma_init(void) - } - fs_initcall(dma_init); - --struct dma_map_ops *dma_get_ops(struct device *dev) -+const struct dma_map_ops *dma_get_ops(struct device *dev) - { - return dma_ops; - } -diff -urNp linux-2.6.39.3/arch/ia64/kernel/module.c linux-2.6.39.3/arch/ia64/kernel/module.c ---- linux-2.6.39.3/arch/ia64/kernel/module.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/ia64/kernel/module.c 2011-05-22 19:36:30.000000000 -0400 -@@ -315,8 +315,7 @@ module_alloc (unsigned long size) - void - module_free (struct module *mod, void *module_region) - { -- if (mod && mod->arch.init_unw_table && -- module_region == mod->module_init) { -+ if (mod && mod->arch.init_unw_table && module_region == mod->module_init_rx) { - unw_remove_unwind_table(mod->arch.init_unw_table); - mod->arch.init_unw_table = NULL; - } -@@ -502,15 +501,39 @@ module_frob_arch_sections (Elf_Ehdr *ehd - } - - static inline int -+in_init_rx (const struct module *mod, uint64_t addr) -+{ -+ return addr - (uint64_t) mod->module_init_rx < mod->init_size_rx; -+} -+ -+static inline int -+in_init_rw (const struct module *mod, uint64_t addr) -+{ -+ return addr - (uint64_t) mod->module_init_rw < mod->init_size_rw; -+} -+ -+static inline int - in_init (const struct module *mod, uint64_t addr) - { -- return addr - (uint64_t) mod->module_init < mod->init_size; -+ return in_init_rx(mod, addr) || in_init_rw(mod, addr); -+} -+ -+static inline int -+in_core_rx (const struct module *mod, uint64_t addr) -+{ -+ return addr - (uint64_t) mod->module_core_rx < mod->core_size_rx; -+} -+ -+static inline int -+in_core_rw (const struct module *mod, uint64_t addr) -+{ -+ return addr - (uint64_t) mod->module_core_rw < mod->core_size_rw; - } - - static inline int - in_core (const struct module *mod, uint64_t addr) - { -- return addr - (uint64_t) mod->module_core < mod->core_size; -+ return in_core_rx(mod, addr) || in_core_rw(mod, addr); - } - - static inline int -@@ -693,7 +716,14 @@ do_reloc (struct module *mod, uint8_t r_ - break; - - case RV_BDREL: -- val -= (uint64_t) (in_init(mod, val) ? mod->module_init : mod->module_core); -+ if (in_init_rx(mod, val)) -+ val -= (uint64_t) mod->module_init_rx; -+ else if (in_init_rw(mod, val)) -+ val -= (uint64_t) mod->module_init_rw; -+ else if (in_core_rx(mod, val)) -+ val -= (uint64_t) mod->module_core_rx; -+ else if (in_core_rw(mod, val)) -+ val -= (uint64_t) mod->module_core_rw; - break; - - case RV_LTV: -@@ -828,15 +858,15 @@ apply_relocate_add (Elf64_Shdr *sechdrs, - * addresses have been selected... - */ - uint64_t gp; -- if (mod->core_size > MAX_LTOFF) -+ if (mod->core_size_rx + mod->core_size_rw > MAX_LTOFF) - /* - * This takes advantage of fact that SHF_ARCH_SMALL gets allocated - * at the end of the module. - */ -- gp = mod->core_size - MAX_LTOFF / 2; -+ gp = mod->core_size_rx + mod->core_size_rw - MAX_LTOFF / 2; - else -- gp = mod->core_size / 2; -- gp = (uint64_t) mod->module_core + ((gp + 7) & -8); -+ gp = (mod->core_size_rx + mod->core_size_rw) / 2; -+ gp = (uint64_t) mod->module_core_rx + ((gp + 7) & -8); - mod->arch.gp = gp; - DEBUGP("%s: placing gp at 0x%lx\n", __func__, gp); - } -diff -urNp linux-2.6.39.3/arch/ia64/kernel/pci-dma.c linux-2.6.39.3/arch/ia64/kernel/pci-dma.c ---- linux-2.6.39.3/arch/ia64/kernel/pci-dma.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/ia64/kernel/pci-dma.c 2011-05-22 19:36:30.000000000 -0400 -@@ -43,7 +43,7 @@ struct device fallback_dev = { - .dma_mask = &fallback_dev.coherent_dma_mask, - }; - --extern struct dma_map_ops intel_dma_ops; -+extern const struct dma_map_ops intel_dma_ops; - - static int __init pci_iommu_init(void) - { -diff -urNp linux-2.6.39.3/arch/ia64/kernel/pci-swiotlb.c linux-2.6.39.3/arch/ia64/kernel/pci-swiotlb.c ---- linux-2.6.39.3/arch/ia64/kernel/pci-swiotlb.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/ia64/kernel/pci-swiotlb.c 2011-05-22 19:36:30.000000000 -0400 -@@ -22,7 +22,7 @@ static void *ia64_swiotlb_alloc_coherent - return swiotlb_alloc_coherent(dev, size, dma_handle, gfp); - } - --struct dma_map_ops swiotlb_dma_ops = { -+const struct dma_map_ops swiotlb_dma_ops = { - .alloc_coherent = ia64_swiotlb_alloc_coherent, - .free_coherent = swiotlb_free_coherent, - .map_page = swiotlb_map_page, -diff -urNp linux-2.6.39.3/arch/ia64/kernel/sys_ia64.c linux-2.6.39.3/arch/ia64/kernel/sys_ia64.c ---- linux-2.6.39.3/arch/ia64/kernel/sys_ia64.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/ia64/kernel/sys_ia64.c 2011-05-22 19:36:30.000000000 -0400 -@@ -43,6 +43,13 @@ arch_get_unmapped_area (struct file *fil - if (REGION_NUMBER(addr) == RGN_HPAGE) - addr = 0; - #endif -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) -+ addr = mm->free_area_cache; -+ else -+#endif -+ - if (!addr) - addr = mm->free_area_cache; - -@@ -61,14 +68,14 @@ arch_get_unmapped_area (struct file *fil - for (vma = find_vma(mm, addr); ; vma = vma->vm_next) { - /* At this point: (!vma || addr < vma->vm_end). */ - if (TASK_SIZE - len < addr || RGN_MAP_LIMIT - len < REGION_OFFSET(addr)) { -- if (start_addr != TASK_UNMAPPED_BASE) { -+ if (start_addr != mm->mmap_base) { - /* Start a new search --- just in case we missed some holes. */ -- addr = TASK_UNMAPPED_BASE; -+ addr = mm->mmap_base; - goto full_search; - } - return -ENOMEM; - } -- if (!vma || addr + len <= vma->vm_start) { -+ if (check_heap_stack_gap(vma, addr, len)) { - /* Remember the address where we stopped this search: */ - mm->free_area_cache = addr + len; - return addr; -diff -urNp linux-2.6.39.3/arch/ia64/kernel/vmlinux.lds.S linux-2.6.39.3/arch/ia64/kernel/vmlinux.lds.S ---- linux-2.6.39.3/arch/ia64/kernel/vmlinux.lds.S 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/ia64/kernel/vmlinux.lds.S 2011-05-22 19:36:30.000000000 -0400 -@@ -199,7 +199,7 @@ SECTIONS { - /* Per-cpu data: */ - . = ALIGN(PERCPU_PAGE_SIZE); - PERCPU_VADDR(SMP_CACHE_BYTES, PERCPU_ADDR, :percpu) -- __phys_per_cpu_start = __per_cpu_load; -+ __phys_per_cpu_start = per_cpu_load; - /* - * ensure percpu data fits - * into percpu page size -diff -urNp linux-2.6.39.3/arch/ia64/mm/fault.c linux-2.6.39.3/arch/ia64/mm/fault.c ---- linux-2.6.39.3/arch/ia64/mm/fault.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/ia64/mm/fault.c 2011-05-22 19:36:30.000000000 -0400 -@@ -72,6 +72,23 @@ mapped_kernel_page_is_present (unsigned - return pte_present(pte); - } - -+#ifdef CONFIG_PAX_PAGEEXEC -+void pax_report_insns(void *pc, void *sp) -+{ -+ unsigned long i; -+ -+ printk(KERN_ERR "PAX: bytes at PC: "); -+ for (i = 0; i < 8; i++) { -+ unsigned int c; -+ if (get_user(c, (unsigned int *)pc+i)) -+ printk(KERN_CONT "???????? "); -+ else -+ printk(KERN_CONT "%08x ", c); -+ } -+ printk("\n"); -+} -+#endif -+ - void __kprobes - ia64_do_page_fault (unsigned long address, unsigned long isr, struct pt_regs *regs) - { -@@ -145,9 +162,23 @@ ia64_do_page_fault (unsigned long addres - mask = ( (((isr >> IA64_ISR_X_BIT) & 1UL) << VM_EXEC_BIT) - | (((isr >> IA64_ISR_W_BIT) & 1UL) << VM_WRITE_BIT)); - -- if ((vma->vm_flags & mask) != mask) -+ if ((vma->vm_flags & mask) != mask) { -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+ if (!(vma->vm_flags & VM_EXEC) && (mask & VM_EXEC)) { -+ if (!(mm->pax_flags & MF_PAX_PAGEEXEC) || address != regs->cr_iip) -+ goto bad_area; -+ -+ up_read(&mm->mmap_sem); -+ pax_report_fault(regs, (void *)regs->cr_iip, (void *)regs->r12); -+ do_group_exit(SIGKILL); -+ } -+#endif -+ - goto bad_area; - -+ } -+ - /* - * If for any reason at all we couldn't handle the fault, make - * sure we exit gracefully rather than endlessly redo the -diff -urNp linux-2.6.39.3/arch/ia64/mm/hugetlbpage.c linux-2.6.39.3/arch/ia64/mm/hugetlbpage.c ---- linux-2.6.39.3/arch/ia64/mm/hugetlbpage.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/ia64/mm/hugetlbpage.c 2011-05-22 19:36:30.000000000 -0400 -@@ -171,7 +171,7 @@ unsigned long hugetlb_get_unmapped_area( - /* At this point: (!vmm || addr < vmm->vm_end). */ - if (REGION_OFFSET(addr) + len > RGN_MAP_LIMIT) - return -ENOMEM; -- if (!vmm || (addr + len) <= vmm->vm_start) -+ if (check_heap_stack_gap(vmm, addr, len)) - return addr; - addr = ALIGN(vmm->vm_end, HPAGE_SIZE); - } -diff -urNp linux-2.6.39.3/arch/ia64/mm/init.c linux-2.6.39.3/arch/ia64/mm/init.c ---- linux-2.6.39.3/arch/ia64/mm/init.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/ia64/mm/init.c 2011-05-22 19:36:30.000000000 -0400 -@@ -122,6 +122,19 @@ ia64_init_addr_space (void) - vma->vm_start = current->thread.rbs_bot & PAGE_MASK; - vma->vm_end = vma->vm_start + PAGE_SIZE; - vma->vm_flags = VM_DATA_DEFAULT_FLAGS|VM_GROWSUP|VM_ACCOUNT; -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+ if (current->mm->pax_flags & MF_PAX_PAGEEXEC) { -+ vma->vm_flags &= ~VM_EXEC; -+ -+#ifdef CONFIG_PAX_MPROTECT -+ if (current->mm->pax_flags & MF_PAX_MPROTECT) -+ vma->vm_flags &= ~VM_MAYEXEC; -+#endif -+ -+ } -+#endif -+ - vma->vm_page_prot = vm_get_page_prot(vma->vm_flags); - down_write(¤t->mm->mmap_sem); - if (insert_vm_struct(current->mm, vma)) { -diff -urNp linux-2.6.39.3/arch/ia64/pci/pci.c linux-2.6.39.3/arch/ia64/pci/pci.c ---- linux-2.6.39.3/arch/ia64/pci/pci.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/ia64/pci/pci.c 2011-05-22 19:36:30.000000000 -0400 -@@ -109,7 +109,7 @@ static int pci_write(struct pci_bus *bus - devfn, where, size, value); - } - --struct pci_ops pci_root_ops = { -+const struct pci_ops pci_root_ops = { - .read = pci_read, - .write = pci_write, - }; -diff -urNp linux-2.6.39.3/arch/ia64/sn/pci/pci_dma.c linux-2.6.39.3/arch/ia64/sn/pci/pci_dma.c ---- linux-2.6.39.3/arch/ia64/sn/pci/pci_dma.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/ia64/sn/pci/pci_dma.c 2011-05-22 19:36:30.000000000 -0400 -@@ -465,7 +465,7 @@ int sn_pci_legacy_write(struct pci_bus * - return ret; - } - --static struct dma_map_ops sn_dma_ops = { -+static const struct dma_map_ops sn_dma_ops = { - .alloc_coherent = sn_dma_alloc_coherent, - .free_coherent = sn_dma_free_coherent, - .map_page = sn_dma_map_page, -diff -urNp linux-2.6.39.3/arch/m32r/lib/usercopy.c linux-2.6.39.3/arch/m32r/lib/usercopy.c ---- linux-2.6.39.3/arch/m32r/lib/usercopy.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/m32r/lib/usercopy.c 2011-05-22 19:36:30.000000000 -0400 -@@ -14,6 +14,9 @@ - unsigned long - __generic_copy_to_user(void __user *to, const void *from, unsigned long n) - { -+ if ((long)n < 0) -+ return n; -+ - prefetch(from); - if (access_ok(VERIFY_WRITE, to, n)) - __copy_user(to,from,n); -@@ -23,6 +26,9 @@ __generic_copy_to_user(void __user *to, - unsigned long - __generic_copy_from_user(void *to, const void __user *from, unsigned long n) - { -+ if ((long)n < 0) -+ return n; -+ - prefetchw(to); - if (access_ok(VERIFY_READ, from, n)) - __copy_user_zeroing(to,from,n); -diff -urNp linux-2.6.39.3/arch/microblaze/include/asm/device.h linux-2.6.39.3/arch/microblaze/include/asm/device.h ---- linux-2.6.39.3/arch/microblaze/include/asm/device.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/microblaze/include/asm/device.h 2011-05-22 19:36:30.000000000 -0400 -@@ -13,7 +13,7 @@ struct device_node; - - struct dev_archdata { - /* DMA operations on that device */ -- struct dma_map_ops *dma_ops; -+ const struct dma_map_ops *dma_ops; - void *dma_data; - }; - -diff -urNp linux-2.6.39.3/arch/microblaze/include/asm/dma-mapping.h linux-2.6.39.3/arch/microblaze/include/asm/dma-mapping.h ---- linux-2.6.39.3/arch/microblaze/include/asm/dma-mapping.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/microblaze/include/asm/dma-mapping.h 2011-05-22 19:36:30.000000000 -0400 -@@ -43,14 +43,14 @@ static inline unsigned long device_to_ma - return 0xfffffffful; - } - --extern struct dma_map_ops *dma_ops; -+extern const struct dma_map_ops *dma_ops; - - /* - * Available generic sets of operations - */ --extern struct dma_map_ops dma_direct_ops; -+extern const struct dma_map_ops dma_direct_ops; - --static inline struct dma_map_ops *get_dma_ops(struct device *dev) -+static inline const struct dma_map_ops *get_dma_ops(struct device *dev) - { - /* We don't handle the NULL dev case for ISA for now. We could - * do it via an out of line call but it is not needed for now. The -@@ -63,14 +63,14 @@ static inline struct dma_map_ops *get_dm - return dev->archdata.dma_ops; - } - --static inline void set_dma_ops(struct device *dev, struct dma_map_ops *ops) -+static inline void set_dma_ops(struct device *dev, const struct dma_map_ops *ops) - { - dev->archdata.dma_ops = ops; - } - - static inline int dma_supported(struct device *dev, u64 mask) - { -- struct dma_map_ops *ops = get_dma_ops(dev); -+ const struct dma_map_ops *ops = get_dma_ops(dev); - - if (unlikely(!ops)) - return 0; -@@ -81,7 +81,7 @@ static inline int dma_supported(struct d - - static inline int dma_set_mask(struct device *dev, u64 dma_mask) - { -- struct dma_map_ops *ops = get_dma_ops(dev); -+ const struct dma_map_ops *ops = get_dma_ops(dev); - - if (unlikely(ops == NULL)) - return -EIO; -@@ -97,7 +97,7 @@ static inline int dma_set_mask(struct de - - static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr) - { -- struct dma_map_ops *ops = get_dma_ops(dev); -+ const struct dma_map_ops *ops = get_dma_ops(dev); - if (ops->mapping_error) - return ops->mapping_error(dev, dma_addr); - -@@ -110,7 +110,7 @@ static inline int dma_mapping_error(stru - static inline void *dma_alloc_coherent(struct device *dev, size_t size, - dma_addr_t *dma_handle, gfp_t flag) - { -- struct dma_map_ops *ops = get_dma_ops(dev); -+ const struct dma_map_ops *ops = get_dma_ops(dev); - void *memory; - - BUG_ON(!ops); -@@ -124,7 +124,7 @@ static inline void *dma_alloc_coherent(s - static inline void dma_free_coherent(struct device *dev, size_t size, - void *cpu_addr, dma_addr_t dma_handle) - { -- struct dma_map_ops *ops = get_dma_ops(dev); -+ const struct dma_map_ops *ops = get_dma_ops(dev); - - BUG_ON(!ops); - debug_dma_free_coherent(dev, size, cpu_addr, dma_handle); -diff -urNp linux-2.6.39.3/arch/microblaze/include/asm/pci.h linux-2.6.39.3/arch/microblaze/include/asm/pci.h ---- linux-2.6.39.3/arch/microblaze/include/asm/pci.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/microblaze/include/asm/pci.h 2011-05-22 19:36:30.000000000 -0400 -@@ -54,8 +54,8 @@ static inline void pcibios_penalize_isa_ - } - - #ifdef CONFIG_PCI --extern void set_pci_dma_ops(struct dma_map_ops *dma_ops); --extern struct dma_map_ops *get_pci_dma_ops(void); -+extern void set_pci_dma_ops(const struct dma_map_ops *dma_ops); -+extern const struct dma_map_ops *get_pci_dma_ops(void); - #else /* CONFIG_PCI */ - #define set_pci_dma_ops(d) - #define get_pci_dma_ops() NULL -diff -urNp linux-2.6.39.3/arch/microblaze/kernel/dma.c linux-2.6.39.3/arch/microblaze/kernel/dma.c ---- linux-2.6.39.3/arch/microblaze/kernel/dma.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/microblaze/kernel/dma.c 2011-05-22 19:36:30.000000000 -0400 -@@ -134,7 +134,7 @@ static inline void dma_direct_unmap_page - __dma_sync_page(dma_address, 0 , size, direction); - } - --struct dma_map_ops dma_direct_ops = { -+const struct dma_map_ops dma_direct_ops = { - .alloc_coherent = dma_direct_alloc_coherent, - .free_coherent = dma_direct_free_coherent, - .map_sg = dma_direct_map_sg, -diff -urNp linux-2.6.39.3/arch/microblaze/kernel/kgdb.c linux-2.6.39.3/arch/microblaze/kernel/kgdb.c ---- linux-2.6.39.3/arch/microblaze/kernel/kgdb.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/microblaze/kernel/kgdb.c 2011-05-22 19:36:30.000000000 -0400 -@@ -141,7 +141,7 @@ void kgdb_arch_exit(void) - /* - * Global data - */ --struct kgdb_arch arch_kgdb_ops = { -+const struct kgdb_arch arch_kgdb_ops = { - #ifdef __MICROBLAZEEL__ - .gdb_bpt_instr = {0x18, 0x00, 0x0c, 0xba}, /* brki r16, 0x18 */ - #else -diff -urNp linux-2.6.39.3/arch/microblaze/pci/indirect_pci.c linux-2.6.39.3/arch/microblaze/pci/indirect_pci.c ---- linux-2.6.39.3/arch/microblaze/pci/indirect_pci.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/microblaze/pci/indirect_pci.c 2011-05-22 19:36:30.000000000 -0400 -@@ -140,7 +140,7 @@ indirect_write_config(struct pci_bus *bu - return PCIBIOS_SUCCESSFUL; - } - --static struct pci_ops indirect_pci_ops = { -+static const struct pci_ops indirect_pci_ops = { - .read = indirect_read_config, - .write = indirect_write_config, - }; -diff -urNp linux-2.6.39.3/arch/microblaze/pci/pci-common.c linux-2.6.39.3/arch/microblaze/pci/pci-common.c ---- linux-2.6.39.3/arch/microblaze/pci/pci-common.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/microblaze/pci/pci-common.c 2011-05-22 19:36:30.000000000 -0400 -@@ -48,14 +48,14 @@ resource_size_t isa_mem_base; - /* Default PCI flags is 0 on ppc32, modified at boot on ppc64 */ - unsigned int pci_flags; - --static struct dma_map_ops *pci_dma_ops = &dma_direct_ops; -+static const struct dma_map_ops *pci_dma_ops = &dma_direct_ops; - --void set_pci_dma_ops(struct dma_map_ops *dma_ops) -+void set_pci_dma_ops(const struct dma_map_ops *dma_ops) - { - pci_dma_ops = dma_ops; - } - --struct dma_map_ops *get_pci_dma_ops(void) -+const struct dma_map_ops *get_pci_dma_ops(void) - { - return pci_dma_ops; - } -@@ -1583,7 +1583,7 @@ null_write_config(struct pci_bus *bus, u - return PCIBIOS_DEVICE_NOT_FOUND; - } - --static struct pci_ops null_pci_ops = { -+static const struct pci_ops null_pci_ops = { - .read = null_read_config, - .write = null_write_config, - }; -diff -urNp linux-2.6.39.3/arch/mips/alchemy/common/pci.c linux-2.6.39.3/arch/mips/alchemy/common/pci.c ---- linux-2.6.39.3/arch/mips/alchemy/common/pci.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/mips/alchemy/common/pci.c 2011-05-22 19:36:30.000000000 -0400 -@@ -51,7 +51,7 @@ static struct resource pci_mem_resource - .flags = IORESOURCE_MEM - }; - --extern struct pci_ops au1x_pci_ops; -+extern const struct pci_ops au1x_pci_ops; - - static struct pci_controller au1x_controller = { - .pci_ops = &au1x_pci_ops, -diff -urNp linux-2.6.39.3/arch/mips/cavium-octeon/dma-octeon.c linux-2.6.39.3/arch/mips/cavium-octeon/dma-octeon.c ---- linux-2.6.39.3/arch/mips/cavium-octeon/dma-octeon.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/mips/cavium-octeon/dma-octeon.c 2011-05-22 19:36:30.000000000 -0400 -@@ -202,7 +202,7 @@ static phys_addr_t octeon_unity_dma_to_p - } - - struct octeon_dma_map_ops { -- struct dma_map_ops dma_map_ops; -+ const struct dma_map_ops dma_map_ops; - dma_addr_t (*phys_to_dma)(struct device *dev, phys_addr_t paddr); - phys_addr_t (*dma_to_phys)(struct device *dev, dma_addr_t daddr); - }; -@@ -324,7 +324,7 @@ static struct octeon_dma_map_ops _octeon - }, - }; - --struct dma_map_ops *octeon_pci_dma_map_ops; -+const struct dma_map_ops *octeon_pci_dma_map_ops; - - void __init octeon_pci_dma_init(void) - { -diff -urNp linux-2.6.39.3/arch/mips/cobalt/pci.c linux-2.6.39.3/arch/mips/cobalt/pci.c ---- linux-2.6.39.3/arch/mips/cobalt/pci.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/mips/cobalt/pci.c 2011-05-22 19:36:30.000000000 -0400 -@@ -14,7 +14,7 @@ - - #include <asm/gt64120.h> - --extern struct pci_ops gt64xxx_pci0_ops; -+extern const struct pci_ops gt64xxx_pci0_ops; - - static struct resource cobalt_mem_resource = { - .start = GT_DEF_PCI0_MEM0_BASE, -diff -urNp linux-2.6.39.3/arch/mips/include/asm/device.h linux-2.6.39.3/arch/mips/include/asm/device.h ---- linux-2.6.39.3/arch/mips/include/asm/device.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/mips/include/asm/device.h 2011-05-22 19:36:30.000000000 -0400 -@@ -10,7 +10,7 @@ struct dma_map_ops; - - struct dev_archdata { - /* DMA operations on that device */ -- struct dma_map_ops *dma_ops; -+ const struct dma_map_ops *dma_ops; - }; - - struct pdev_archdata { -diff -urNp linux-2.6.39.3/arch/mips/include/asm/dma-mapping.h linux-2.6.39.3/arch/mips/include/asm/dma-mapping.h ---- linux-2.6.39.3/arch/mips/include/asm/dma-mapping.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/mips/include/asm/dma-mapping.h 2011-05-22 19:36:30.000000000 -0400 -@@ -9,9 +9,9 @@ - #include <dma-coherence.h> - #endif - --extern struct dma_map_ops *mips_dma_map_ops; -+extern const struct dma_map_ops *mips_dma_map_ops; - --static inline struct dma_map_ops *get_dma_ops(struct device *dev) -+static inline const struct dma_map_ops *get_dma_ops(struct device *dev) - { - if (dev && dev->archdata.dma_ops) - return dev->archdata.dma_ops; -@@ -33,13 +33,13 @@ static inline void dma_mark_clean(void * - - static inline int dma_supported(struct device *dev, u64 mask) - { -- struct dma_map_ops *ops = get_dma_ops(dev); -+ const struct dma_map_ops *ops = get_dma_ops(dev); - return ops->dma_supported(dev, mask); - } - - static inline int dma_mapping_error(struct device *dev, u64 mask) - { -- struct dma_map_ops *ops = get_dma_ops(dev); -+ const struct dma_map_ops *ops = get_dma_ops(dev); - return ops->mapping_error(dev, mask); - } - -@@ -61,7 +61,7 @@ static inline void *dma_alloc_coherent(s - dma_addr_t *dma_handle, gfp_t gfp) - { - void *ret; -- struct dma_map_ops *ops = get_dma_ops(dev); -+ const struct dma_map_ops *ops = get_dma_ops(dev); - - ret = ops->alloc_coherent(dev, size, dma_handle, gfp); - -@@ -73,7 +73,7 @@ static inline void *dma_alloc_coherent(s - static inline void dma_free_coherent(struct device *dev, size_t size, - void *vaddr, dma_addr_t dma_handle) - { -- struct dma_map_ops *ops = get_dma_ops(dev); -+ const struct dma_map_ops *ops = get_dma_ops(dev); - - ops->free_coherent(dev, size, vaddr, dma_handle); - -diff -urNp linux-2.6.39.3/arch/mips/include/asm/elf.h linux-2.6.39.3/arch/mips/include/asm/elf.h ---- linux-2.6.39.3/arch/mips/include/asm/elf.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/mips/include/asm/elf.h 2011-05-22 19:36:30.000000000 -0400 -@@ -372,13 +372,16 @@ extern const char *__elf_platform; - #define ELF_ET_DYN_BASE (TASK_SIZE / 3 * 2) - #endif - -+#ifdef CONFIG_PAX_ASLR -+#define PAX_ELF_ET_DYN_BASE (TASK_IS_32BIT_ADDR ? 0x00400000UL : 0x00400000UL) -+ -+#define PAX_DELTA_MMAP_LEN (TASK_IS_32BIT_ADDR ? 27-PAGE_SHIFT : 36-PAGE_SHIFT) -+#define PAX_DELTA_STACK_LEN (TASK_IS_32BIT_ADDR ? 27-PAGE_SHIFT : 36-PAGE_SHIFT) -+#endif -+ - #define ARCH_HAS_SETUP_ADDITIONAL_PAGES 1 - struct linux_binprm; - extern int arch_setup_additional_pages(struct linux_binprm *bprm, - int uses_interp); - --struct mm_struct; --extern unsigned long arch_randomize_brk(struct mm_struct *mm); --#define arch_randomize_brk arch_randomize_brk -- - #endif /* _ASM_ELF_H */ -diff -urNp linux-2.6.39.3/arch/mips/include/asm/mach-cavium-octeon/dma-coherence.h linux-2.6.39.3/arch/mips/include/asm/mach-cavium-octeon/dma-coherence.h ---- linux-2.6.39.3/arch/mips/include/asm/mach-cavium-octeon/dma-coherence.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/mips/include/asm/mach-cavium-octeon/dma-coherence.h 2011-05-22 19:36:30.000000000 -0400 -@@ -66,7 +66,7 @@ dma_addr_t phys_to_dma(struct device *de - phys_addr_t dma_to_phys(struct device *dev, dma_addr_t daddr); - - struct dma_map_ops; --extern struct dma_map_ops *octeon_pci_dma_map_ops; -+extern const struct dma_map_ops *octeon_pci_dma_map_ops; - extern char *octeon_swiotlb; - - #endif /* __ASM_MACH_CAVIUM_OCTEON_DMA_COHERENCE_H */ -diff -urNp linux-2.6.39.3/arch/mips/include/asm/page.h linux-2.6.39.3/arch/mips/include/asm/page.h ---- linux-2.6.39.3/arch/mips/include/asm/page.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/mips/include/asm/page.h 2011-05-22 19:36:30.000000000 -0400 -@@ -93,7 +93,7 @@ extern void copy_user_highpage(struct pa - #ifdef CONFIG_CPU_MIPS32 - typedef struct { unsigned long pte_low, pte_high; } pte_t; - #define pte_val(x) ((x).pte_low | ((unsigned long long)(x).pte_high << 32)) -- #define __pte(x) ({ pte_t __pte = {(x), ((unsigned long long)(x)) >> 32}; __pte; }) -+ #define __pte(x) ({ pte_t __pte = {(x), (x) >> 32}; __pte; }) - #else - typedef struct { unsigned long long pte; } pte_t; - #define pte_val(x) ((x).pte) -diff -urNp linux-2.6.39.3/arch/mips/include/asm/pci/bridge.h linux-2.6.39.3/arch/mips/include/asm/pci/bridge.h ---- linux-2.6.39.3/arch/mips/include/asm/pci/bridge.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/mips/include/asm/pci/bridge.h 2011-05-22 19:36:30.000000000 -0400 -@@ -849,6 +849,6 @@ struct bridge_controller { - extern void register_bridge_irq(unsigned int irq); - extern int request_bridge_irq(struct bridge_controller *bc); - --extern struct pci_ops bridge_pci_ops; -+extern const struct pci_ops bridge_pci_ops; - - #endif /* _ASM_PCI_BRIDGE_H */ -diff -urNp linux-2.6.39.3/arch/mips/include/asm/system.h linux-2.6.39.3/arch/mips/include/asm/system.h ---- linux-2.6.39.3/arch/mips/include/asm/system.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/mips/include/asm/system.h 2011-05-22 19:36:30.000000000 -0400 -@@ -230,6 +230,6 @@ extern void per_cpu_trap_init(void); - */ - #define __ARCH_WANT_UNLOCKED_CTXSW - --extern unsigned long arch_align_stack(unsigned long sp); -+#define arch_align_stack(x) ((x) & ~0xfUL) - - #endif /* _ASM_SYSTEM_H */ -diff -urNp linux-2.6.39.3/arch/mips/kernel/binfmt_elfn32.c linux-2.6.39.3/arch/mips/kernel/binfmt_elfn32.c ---- linux-2.6.39.3/arch/mips/kernel/binfmt_elfn32.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/mips/kernel/binfmt_elfn32.c 2011-05-22 19:36:30.000000000 -0400 -@@ -50,6 +50,13 @@ typedef elf_fpreg_t elf_fpregset_t[ELF_N - #undef ELF_ET_DYN_BASE - #define ELF_ET_DYN_BASE (TASK32_SIZE / 3 * 2) - -+#ifdef CONFIG_PAX_ASLR -+#define PAX_ELF_ET_DYN_BASE (TASK_IS_32BIT_ADDR ? 0x00400000UL : 0x00400000UL) -+ -+#define PAX_DELTA_MMAP_LEN (TASK_IS_32BIT_ADDR ? 27-PAGE_SHIFT : 36-PAGE_SHIFT) -+#define PAX_DELTA_STACK_LEN (TASK_IS_32BIT_ADDR ? 27-PAGE_SHIFT : 36-PAGE_SHIFT) -+#endif -+ - #include <asm/processor.h> - #include <linux/module.h> - #include <linux/elfcore.h> -diff -urNp linux-2.6.39.3/arch/mips/kernel/binfmt_elfo32.c linux-2.6.39.3/arch/mips/kernel/binfmt_elfo32.c ---- linux-2.6.39.3/arch/mips/kernel/binfmt_elfo32.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/mips/kernel/binfmt_elfo32.c 2011-05-22 19:36:30.000000000 -0400 -@@ -52,6 +52,13 @@ typedef elf_fpreg_t elf_fpregset_t[ELF_N - #undef ELF_ET_DYN_BASE - #define ELF_ET_DYN_BASE (TASK32_SIZE / 3 * 2) - -+#ifdef CONFIG_PAX_ASLR -+#define PAX_ELF_ET_DYN_BASE (TASK_IS_32BIT_ADDR ? 0x00400000UL : 0x00400000UL) -+ -+#define PAX_DELTA_MMAP_LEN (TASK_IS_32BIT_ADDR ? 27-PAGE_SHIFT : 36-PAGE_SHIFT) -+#define PAX_DELTA_STACK_LEN (TASK_IS_32BIT_ADDR ? 27-PAGE_SHIFT : 36-PAGE_SHIFT) -+#endif -+ - #include <asm/processor.h> - - /* -diff -urNp linux-2.6.39.3/arch/mips/kernel/kgdb.c linux-2.6.39.3/arch/mips/kernel/kgdb.c ---- linux-2.6.39.3/arch/mips/kernel/kgdb.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/mips/kernel/kgdb.c 2011-05-22 19:36:30.000000000 -0400 -@@ -351,7 +351,7 @@ int kgdb_arch_handle_exception(int vecto - return -1; - } - --struct kgdb_arch arch_kgdb_ops; -+struct kgdb_arch arch_kgdb_ops; /* cannot be const, see kgdb_arch_init */ - - /* - * We use kgdb_early_setup so that functions we need to call now don't -diff -urNp linux-2.6.39.3/arch/mips/kernel/process.c linux-2.6.39.3/arch/mips/kernel/process.c ---- linux-2.6.39.3/arch/mips/kernel/process.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/mips/kernel/process.c 2011-05-22 19:36:30.000000000 -0400 -@@ -473,15 +473,3 @@ unsigned long get_wchan(struct task_stru - out: - return pc; - } -- --/* -- * Don't forget that the stack pointer must be aligned on a 8 bytes -- * boundary for 32-bits ABI and 16 bytes for 64-bits ABI. -- */ --unsigned long arch_align_stack(unsigned long sp) --{ -- if (!(current->personality & ADDR_NO_RANDOMIZE) && randomize_va_space) -- sp -= get_random_int() & ~PAGE_MASK; -- -- return sp & ALMASK; --} -diff -urNp linux-2.6.39.3/arch/mips/kernel/syscall.c linux-2.6.39.3/arch/mips/kernel/syscall.c ---- linux-2.6.39.3/arch/mips/kernel/syscall.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/mips/kernel/syscall.c 2011-05-22 19:36:30.000000000 -0400 -@@ -108,14 +108,18 @@ unsigned long arch_get_unmapped_area(str - do_color_align = 0; - if (filp || (flags & MAP_SHARED)) - do_color_align = 1; -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(current->mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ - if (addr) { - if (do_color_align) - addr = COLOUR_ALIGN(addr, pgoff); - else - addr = PAGE_ALIGN(addr); - vmm = find_vma(current->mm, addr); -- if (task_size - len >= addr && -- (!vmm || addr + len <= vmm->vm_start)) -+ if (task_size - len >= addr && check_heap_stack_gap(vmm, addr, len)) - return addr; - } - addr = current->mm->mmap_base; -@@ -128,7 +132,7 @@ unsigned long arch_get_unmapped_area(str - /* At this point: (!vmm || addr < vmm->vm_end). */ - if (task_size - len < addr) - return -ENOMEM; -- if (!vmm || addr + len <= vmm->vm_start) -+ if (check_heap_stack_gap(vmm, addr, len)) - return addr; - addr = vmm->vm_end; - if (do_color_align) -@@ -154,33 +158,6 @@ void arch_pick_mmap_layout(struct mm_str - mm->unmap_area = arch_unmap_area; - } - --static inline unsigned long brk_rnd(void) --{ -- unsigned long rnd = get_random_int(); -- -- rnd = rnd << PAGE_SHIFT; -- /* 8MB for 32bit, 256MB for 64bit */ -- if (TASK_IS_32BIT_ADDR) -- rnd = rnd & 0x7ffffful; -- else -- rnd = rnd & 0xffffffful; -- -- return rnd; --} -- --unsigned long arch_randomize_brk(struct mm_struct *mm) --{ -- unsigned long base = mm->brk; -- unsigned long ret; -- -- ret = PAGE_ALIGN(base + brk_rnd()); -- -- if (ret < mm->brk) -- return mm->brk; -- -- return ret; --} -- - SYSCALL_DEFINE6(mips_mmap, unsigned long, addr, unsigned long, len, - unsigned long, prot, unsigned long, flags, unsigned long, - fd, off_t, offset) -diff -urNp linux-2.6.39.3/arch/mips/mm/dma-default.c linux-2.6.39.3/arch/mips/mm/dma-default.c ---- linux-2.6.39.3/arch/mips/mm/dma-default.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/mips/mm/dma-default.c 2011-05-22 19:36:30.000000000 -0400 -@@ -300,7 +300,7 @@ void dma_cache_sync(struct device *dev, - - EXPORT_SYMBOL(dma_cache_sync); - --static struct dma_map_ops mips_default_dma_map_ops = { -+static const struct dma_map_ops mips_default_dma_map_ops = { - .alloc_coherent = mips_dma_alloc_coherent, - .free_coherent = mips_dma_free_coherent, - .map_page = mips_dma_map_page, -@@ -315,7 +315,7 @@ static struct dma_map_ops mips_default_d - .dma_supported = mips_dma_supported - }; - --struct dma_map_ops *mips_dma_map_ops = &mips_default_dma_map_ops; -+const struct dma_map_ops *mips_dma_map_ops = &mips_default_dma_map_ops; - EXPORT_SYMBOL(mips_dma_map_ops); - - #define PREALLOC_DMA_DEBUG_ENTRIES (1 << 16) -diff -urNp linux-2.6.39.3/arch/mips/mm/fault.c linux-2.6.39.3/arch/mips/mm/fault.c ---- linux-2.6.39.3/arch/mips/mm/fault.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/mips/mm/fault.c 2011-05-22 19:36:30.000000000 -0400 -@@ -28,6 +28,23 @@ - #include <asm/highmem.h> /* For VMALLOC_END */ - #include <linux/kdebug.h> - -+#ifdef CONFIG_PAX_PAGEEXEC -+void pax_report_insns(void *pc, void *sp) -+{ -+ unsigned long i; -+ -+ printk(KERN_ERR "PAX: bytes at PC: "); -+ for (i = 0; i < 5; i++) { -+ unsigned int c; -+ if (get_user(c, (unsigned int *)pc+i)) -+ printk(KERN_CONT "???????? "); -+ else -+ printk(KERN_CONT "%08x ", c); -+ } -+ printk("\n"); -+} -+#endif -+ - /* - * This routine handles page faults. It determines the address, - * and the problem, and then passes it off to one of the appropriate -diff -urNp linux-2.6.39.3/arch/mips/mti-malta/malta-pci.c linux-2.6.39.3/arch/mips/mti-malta/malta-pci.c ---- linux-2.6.39.3/arch/mips/mti-malta/malta-pci.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/mips/mti-malta/malta-pci.c 2011-05-22 19:36:30.000000000 -0400 -@@ -64,9 +64,9 @@ static struct resource msc_io_resource = - .flags = IORESOURCE_IO, - }; - --extern struct pci_ops bonito64_pci_ops; --extern struct pci_ops gt64xxx_pci0_ops; --extern struct pci_ops msc_pci_ops; -+extern const struct pci_ops bonito64_pci_ops; -+extern const struct pci_ops gt64xxx_pci0_ops; -+extern const struct pci_ops msc_pci_ops; - - static struct pci_controller bonito64_controller = { - .pci_ops = &bonito64_pci_ops, -diff -urNp linux-2.6.39.3/arch/mips/nxp/pnx8550/common/pci.c linux-2.6.39.3/arch/mips/nxp/pnx8550/common/pci.c ---- linux-2.6.39.3/arch/mips/nxp/pnx8550/common/pci.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/mips/nxp/pnx8550/common/pci.c 2011-05-22 19:36:30.000000000 -0400 -@@ -40,7 +40,7 @@ static struct resource pci_mem_resource - .flags = IORESOURCE_MEM - }; - --extern struct pci_ops pnx8550_pci_ops; -+extern const struct pci_ops pnx8550_pci_ops; - - static struct pci_controller pnx8550_controller = { - .pci_ops = &pnx8550_pci_ops, -diff -urNp linux-2.6.39.3/arch/mips/pci/ops-au1000.c linux-2.6.39.3/arch/mips/pci/ops-au1000.c ---- linux-2.6.39.3/arch/mips/pci/ops-au1000.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/mips/pci/ops-au1000.c 2011-05-22 19:36:30.000000000 -0400 -@@ -302,7 +302,7 @@ static int config_write(struct pci_bus * - } - } - --struct pci_ops au1x_pci_ops = { -+const struct pci_ops au1x_pci_ops = { - config_read, - config_write - }; -diff -urNp linux-2.6.39.3/arch/mips/pci/ops-bcm63xx.c linux-2.6.39.3/arch/mips/pci/ops-bcm63xx.c ---- linux-2.6.39.3/arch/mips/pci/ops-bcm63xx.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/mips/pci/ops-bcm63xx.c 2011-05-22 19:36:30.000000000 -0400 -@@ -173,7 +173,7 @@ static int bcm63xx_pci_write(struct pci_ - where, size, val); - } - --struct pci_ops bcm63xx_pci_ops = { -+const struct pci_ops bcm63xx_pci_ops = { - .read = bcm63xx_pci_read, - .write = bcm63xx_pci_write - }; -@@ -402,7 +402,7 @@ static int bcm63xx_cb_write(struct pci_b - return PCIBIOS_DEVICE_NOT_FOUND; - } - --struct pci_ops bcm63xx_cb_ops = { -+const struct pci_ops bcm63xx_cb_ops = { - .read = bcm63xx_cb_read, - .write = bcm63xx_cb_write, - }; -diff -urNp linux-2.6.39.3/arch/mips/pci/ops-bonito64.c linux-2.6.39.3/arch/mips/pci/ops-bonito64.c ---- linux-2.6.39.3/arch/mips/pci/ops-bonito64.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/mips/pci/ops-bonito64.c 2011-05-22 19:36:30.000000000 -0400 -@@ -155,7 +155,7 @@ static int bonito64_pcibios_write(struct - return PCIBIOS_SUCCESSFUL; - } - --struct pci_ops bonito64_pci_ops = { -+const struct pci_ops bonito64_pci_ops = { - .read = bonito64_pcibios_read, - .write = bonito64_pcibios_write - }; -diff -urNp linux-2.6.39.3/arch/mips/pci/ops-bridge.c linux-2.6.39.3/arch/mips/pci/ops-bridge.c ---- linux-2.6.39.3/arch/mips/pci/ops-bridge.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/mips/pci/ops-bridge.c 2011-05-22 19:36:30.000000000 -0400 -@@ -316,7 +316,7 @@ static int pci_write_config(struct pci_b - return pci_conf0_write_config(bus, devfn, where, size, value); - } - --struct pci_ops bridge_pci_ops = { -+const struct pci_ops bridge_pci_ops = { - .read = pci_read_config, - .write = pci_write_config, - }; -diff -urNp linux-2.6.39.3/arch/mips/pci/ops-emma2rh.c linux-2.6.39.3/arch/mips/pci/ops-emma2rh.c ---- linux-2.6.39.3/arch/mips/pci/ops-emma2rh.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/mips/pci/ops-emma2rh.c 2011-05-22 19:36:30.000000000 -0400 -@@ -176,7 +176,7 @@ static int pci_config_write(struct pci_b - return PCIBIOS_SUCCESSFUL; - } - --struct pci_ops emma2rh_pci_ops = { -+const struct pci_ops emma2rh_pci_ops = { - .read = pci_config_read, - .write = pci_config_write, - }; -diff -urNp linux-2.6.39.3/arch/mips/pci/ops-gt64xxx_pci0.c linux-2.6.39.3/arch/mips/pci/ops-gt64xxx_pci0.c ---- linux-2.6.39.3/arch/mips/pci/ops-gt64xxx_pci0.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/mips/pci/ops-gt64xxx_pci0.c 2011-05-22 19:36:30.000000000 -0400 -@@ -146,7 +146,7 @@ static int gt64xxx_pci0_pcibios_write(st - return PCIBIOS_SUCCESSFUL; - } - --struct pci_ops gt64xxx_pci0_ops = { -+const struct pci_ops gt64xxx_pci0_ops = { - .read = gt64xxx_pci0_pcibios_read, - .write = gt64xxx_pci0_pcibios_write - }; -diff -urNp linux-2.6.39.3/arch/mips/pci/ops-loongson2.c linux-2.6.39.3/arch/mips/pci/ops-loongson2.c ---- linux-2.6.39.3/arch/mips/pci/ops-loongson2.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/mips/pci/ops-loongson2.c 2011-05-22 19:36:30.000000000 -0400 -@@ -174,7 +174,7 @@ static int loongson_pcibios_write(struct - return PCIBIOS_SUCCESSFUL; - } - --struct pci_ops loongson_pci_ops = { -+const struct pci_ops loongson_pci_ops = { - .read = loongson_pcibios_read, - .write = loongson_pcibios_write - }; -diff -urNp linux-2.6.39.3/arch/mips/pci/ops-mace.c linux-2.6.39.3/arch/mips/pci/ops-mace.c ---- linux-2.6.39.3/arch/mips/pci/ops-mace.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/mips/pci/ops-mace.c 2011-05-22 19:36:30.000000000 -0400 -@@ -96,7 +96,7 @@ mace_pci_write_config(struct pci_bus *bu - return PCIBIOS_SUCCESSFUL; - } - --struct pci_ops mace_pci_ops = { -+const struct pci_ops mace_pci_ops = { - .read = mace_pci_read_config, - .write = mace_pci_write_config, - }; -diff -urNp linux-2.6.39.3/arch/mips/pci/ops-msc.c linux-2.6.39.3/arch/mips/pci/ops-msc.c ---- linux-2.6.39.3/arch/mips/pci/ops-msc.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/mips/pci/ops-msc.c 2011-05-22 19:36:30.000000000 -0400 -@@ -142,7 +142,7 @@ static int msc_pcibios_write(struct pci_ - return PCIBIOS_SUCCESSFUL; - } - --struct pci_ops msc_pci_ops = { -+const struct pci_ops msc_pci_ops = { - .read = msc_pcibios_read, - .write = msc_pcibios_write - }; -diff -urNp linux-2.6.39.3/arch/mips/pci/ops-nile4.c linux-2.6.39.3/arch/mips/pci/ops-nile4.c ---- linux-2.6.39.3/arch/mips/pci/ops-nile4.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/mips/pci/ops-nile4.c 2011-05-22 19:36:30.000000000 -0400 -@@ -141,7 +141,7 @@ static int nile4_pcibios_write(struct pc - return PCIBIOS_SUCCESSFUL; - } - --struct pci_ops nile4_pci_ops = { -+const struct pci_ops nile4_pci_ops = { - .read = nile4_pcibios_read, - .write = nile4_pcibios_write, - }; -diff -urNp linux-2.6.39.3/arch/mips/pci/ops-pmcmsp.c linux-2.6.39.3/arch/mips/pci/ops-pmcmsp.c ---- linux-2.6.39.3/arch/mips/pci/ops-pmcmsp.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/mips/pci/ops-pmcmsp.c 2011-05-22 19:36:30.000000000 -0400 -@@ -904,7 +904,7 @@ msp_pcibios_write_config(struct pci_bus - * write - function for Linux to generate PCI Configuration writes. - * - ****************************************************************************/ --struct pci_ops msp_pci_ops = { -+const struct pci_ops msp_pci_ops = { - .read = msp_pcibios_read_config, - .write = msp_pcibios_write_config - }; -diff -urNp linux-2.6.39.3/arch/mips/pci/ops-pnx8550.c linux-2.6.39.3/arch/mips/pci/ops-pnx8550.c ---- linux-2.6.39.3/arch/mips/pci/ops-pnx8550.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/mips/pci/ops-pnx8550.c 2011-05-22 19:36:30.000000000 -0400 -@@ -276,7 +276,7 @@ static int config_write(struct pci_bus * - } - } - --struct pci_ops pnx8550_pci_ops = { -+const struct pci_ops pnx8550_pci_ops = { - config_read, - config_write - }; -diff -urNp linux-2.6.39.3/arch/mips/pci/ops-rc32434.c linux-2.6.39.3/arch/mips/pci/ops-rc32434.c ---- linux-2.6.39.3/arch/mips/pci/ops-rc32434.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/mips/pci/ops-rc32434.c 2011-05-22 19:36:30.000000000 -0400 -@@ -201,7 +201,7 @@ static int pci_config_write(struct pci_b - } - } - --struct pci_ops rc32434_pci_ops = { -+const struct pci_ops rc32434_pci_ops = { - .read = pci_config_read, - .write = pci_config_write, - }; -diff -urNp linux-2.6.39.3/arch/mips/pci/ops-sni.c linux-2.6.39.3/arch/mips/pci/ops-sni.c ---- linux-2.6.39.3/arch/mips/pci/ops-sni.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/mips/pci/ops-sni.c 2011-05-22 19:36:30.000000000 -0400 -@@ -83,7 +83,7 @@ static int pcimt_write(struct pci_bus *b - return 0; - } - --struct pci_ops sni_pcimt_ops = { -+const struct pci_ops sni_pcimt_ops = { - .read = pcimt_read, - .write = pcimt_write, - }; -@@ -158,7 +158,7 @@ static int pcit_write(struct pci_bus *bu - } - - --struct pci_ops sni_pcit_ops = { -+const struct pci_ops sni_pcit_ops = { - .read = pcit_read, - .write = pcit_write, - }; -diff -urNp linux-2.6.39.3/arch/mips/pci/ops-titan.c linux-2.6.39.3/arch/mips/pci/ops-titan.c ---- linux-2.6.39.3/arch/mips/pci/ops-titan.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/mips/pci/ops-titan.c 2011-05-22 19:36:30.000000000 -0400 -@@ -105,7 +105,7 @@ static int titan_write_config(struct pci - /* - * Titan PCI structure - */ --struct pci_ops titan_pci_ops = { -+const struct pci_ops titan_pci_ops = { - titan_read_config, - titan_write_config, - }; -diff -urNp linux-2.6.39.3/arch/mips/pci/ops-titan-ht.c linux-2.6.39.3/arch/mips/pci/ops-titan-ht.c ---- linux-2.6.39.3/arch/mips/pci/ops-titan-ht.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/mips/pci/ops-titan-ht.c 2011-05-22 19:36:30.000000000 -0400 -@@ -118,7 +118,7 @@ static int titan_ht_config_write(struct - return PCIBIOS_SUCCESSFUL; - } - --struct pci_ops titan_ht_pci_ops = { -+const struct pci_ops titan_ht_pci_ops = { - .read = titan_ht_config_read, - .write = titan_ht_config_write, - }; -diff -urNp linux-2.6.39.3/arch/mips/pci/ops-tx3927.c linux-2.6.39.3/arch/mips/pci/ops-tx3927.c ---- linux-2.6.39.3/arch/mips/pci/ops-tx3927.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/mips/pci/ops-tx3927.c 2011-05-22 19:36:30.000000000 -0400 -@@ -121,7 +121,7 @@ static int tx3927_pci_write_config(struc - return check_abort(); - } - --static struct pci_ops tx3927_pci_ops = { -+static const struct pci_ops tx3927_pci_ops = { - .read = tx3927_pci_read_config, - .write = tx3927_pci_write_config, - }; -diff -urNp linux-2.6.39.3/arch/mips/pci/ops-vr41xx.c linux-2.6.39.3/arch/mips/pci/ops-vr41xx.c ---- linux-2.6.39.3/arch/mips/pci/ops-vr41xx.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/mips/pci/ops-vr41xx.c 2011-05-22 19:36:30.000000000 -0400 -@@ -120,7 +120,7 @@ static int pci_config_write(struct pci_b - return PCIBIOS_SUCCESSFUL; - } - --struct pci_ops vr41xx_pci_ops = { -+const struct pci_ops vr41xx_pci_ops = { - .read = pci_config_read, - .write = pci_config_write, - }; -diff -urNp linux-2.6.39.3/arch/mips/pci/pci-bcm1480.c linux-2.6.39.3/arch/mips/pci/pci-bcm1480.c ---- linux-2.6.39.3/arch/mips/pci/pci-bcm1480.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/mips/pci/pci-bcm1480.c 2011-05-22 19:36:30.000000000 -0400 -@@ -171,7 +171,7 @@ static int bcm1480_pcibios_write(struct - return PCIBIOS_SUCCESSFUL; - } - --struct pci_ops bcm1480_pci_ops = { -+const struct pci_ops bcm1480_pci_ops = { - bcm1480_pcibios_read, - bcm1480_pcibios_write, - }; -diff -urNp linux-2.6.39.3/arch/mips/pci/pci-bcm1480ht.c linux-2.6.39.3/arch/mips/pci/pci-bcm1480ht.c ---- linux-2.6.39.3/arch/mips/pci/pci-bcm1480ht.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/mips/pci/pci-bcm1480ht.c 2011-05-22 19:36:30.000000000 -0400 -@@ -166,7 +166,7 @@ static int bcm1480ht_pcibios_get_busno(v - return 0; - } - --struct pci_ops bcm1480ht_pci_ops = { -+const struct pci_ops bcm1480ht_pci_ops = { - .read = bcm1480ht_pcibios_read, - .write = bcm1480ht_pcibios_write, - }; -diff -urNp linux-2.6.39.3/arch/mips/pci/pci-bcm63xx.h linux-2.6.39.3/arch/mips/pci/pci-bcm63xx.h ---- linux-2.6.39.3/arch/mips/pci/pci-bcm63xx.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/mips/pci/pci-bcm63xx.h 2011-05-22 19:36:30.000000000 -0400 -@@ -16,8 +16,8 @@ - /* - * defined in ops-bcm63xx.c - */ --extern struct pci_ops bcm63xx_pci_ops; --extern struct pci_ops bcm63xx_cb_ops; -+extern const struct pci_ops bcm63xx_pci_ops; -+extern const struct pci_ops bcm63xx_cb_ops; - - /* - * defined in pci-bcm63xx.c -diff -urNp linux-2.6.39.3/arch/mips/pci/pci-emma2rh.c linux-2.6.39.3/arch/mips/pci/pci-emma2rh.c ---- linux-2.6.39.3/arch/mips/pci/pci-emma2rh.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/mips/pci/pci-emma2rh.c 2011-05-22 19:36:30.000000000 -0400 -@@ -43,7 +43,7 @@ static struct resource pci_mem_resource - .flags = IORESOURCE_MEM, - }; - --extern struct pci_ops emma2rh_pci_ops; -+extern const struct pci_ops emma2rh_pci_ops; - - static struct pci_controller emma2rh_pci_controller = { - .pci_ops = &emma2rh_pci_ops, -diff -urNp linux-2.6.39.3/arch/mips/pci/pcie-octeon.c linux-2.6.39.3/arch/mips/pci/pcie-octeon.c ---- linux-2.6.39.3/arch/mips/pci/pcie-octeon.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/mips/pci/pcie-octeon.c 2011-05-22 19:36:30.000000000 -0400 -@@ -1237,7 +1237,7 @@ static int octeon_pcie1_write_config(str - return octeon_pcie_write_config(1, bus, devfn, reg, size, val); - } - --static struct pci_ops octeon_pcie0_ops = { -+static const struct pci_ops octeon_pcie0_ops = { - octeon_pcie0_read_config, - octeon_pcie0_write_config, - }; -@@ -1258,7 +1258,7 @@ static struct pci_controller octeon_pcie - .io_resource = &octeon_pcie0_io_resource, - }; - --static struct pci_ops octeon_pcie1_ops = { -+static const struct pci_ops octeon_pcie1_ops = { - octeon_pcie1_read_config, - octeon_pcie1_write_config, - }; -diff -urNp linux-2.6.39.3/arch/mips/pci/pci-ip27.c linux-2.6.39.3/arch/mips/pci/pci-ip27.c ---- linux-2.6.39.3/arch/mips/pci/pci-ip27.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/mips/pci/pci-ip27.c 2011-05-22 19:36:30.000000000 -0400 -@@ -39,7 +39,7 @@ static struct bridge_controller bridges[ - struct bridge_controller *irq_to_bridge[MAX_PCI_BUSSES * MAX_DEVICES_PER_PCIBUS]; - int irq_to_slot[MAX_PCI_BUSSES * MAX_DEVICES_PER_PCIBUS]; - --extern struct pci_ops bridge_pci_ops; -+extern const struct pci_ops bridge_pci_ops; - - int __cpuinit bridge_probe(nasid_t nasid, int widget_id, int masterwid) - { -diff -urNp linux-2.6.39.3/arch/mips/pci/pci-ip32.c linux-2.6.39.3/arch/mips/pci/pci-ip32.c ---- linux-2.6.39.3/arch/mips/pci/pci-ip32.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/mips/pci/pci-ip32.c 2011-05-22 19:36:30.000000000 -0400 -@@ -82,7 +82,7 @@ static irqreturn_t macepci_error(int irq - } - - --extern struct pci_ops mace_pci_ops; -+extern const struct pci_ops mace_pci_ops; - #ifdef CONFIG_64BIT - static struct resource mace_pci_mem_resource = { - .name = "SGI O2 PCI MEM", -diff -urNp linux-2.6.39.3/arch/mips/pci/pci-lasat.c linux-2.6.39.3/arch/mips/pci/pci-lasat.c ---- linux-2.6.39.3/arch/mips/pci/pci-lasat.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/mips/pci/pci-lasat.c 2011-05-22 19:36:30.000000000 -0400 -@@ -14,8 +14,8 @@ - - #include <irq.h> - --extern struct pci_ops nile4_pci_ops; --extern struct pci_ops gt64xxx_pci0_ops; -+extern const struct pci_ops nile4_pci_ops; -+extern const struct pci_ops gt64xxx_pci0_ops; - static struct resource lasat_pci_mem_resource = { - .name = "LASAT PCI MEM", - .start = 0x18000000, -diff -urNp linux-2.6.39.3/arch/mips/pci/pci-octeon.c linux-2.6.39.3/arch/mips/pci/pci-octeon.c ---- linux-2.6.39.3/arch/mips/pci/pci-octeon.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/mips/pci/pci-octeon.c 2011-05-22 19:36:30.000000000 -0400 -@@ -334,7 +334,7 @@ static int octeon_write_config(struct pc - } - - --static struct pci_ops octeon_pci_ops = { -+static const struct pci_ops octeon_pci_ops = { - octeon_read_config, - octeon_write_config, - }; -diff -urNp linux-2.6.39.3/arch/mips/pci/pci-rc32434.c linux-2.6.39.3/arch/mips/pci/pci-rc32434.c ---- linux-2.6.39.3/arch/mips/pci/pci-rc32434.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/mips/pci/pci-rc32434.c 2011-05-22 19:36:30.000000000 -0400 -@@ -75,7 +75,7 @@ static struct resource rc32434_res_pci_i - .flags = IORESOURCE_IO, - }; - --extern struct pci_ops rc32434_pci_ops; -+extern const struct pci_ops rc32434_pci_ops; - - #define PCI_MEM1_START PCI_ADDR_START - #define PCI_MEM1_END (PCI_ADDR_START + CPUTOPCI_MEM_WIN - 1) -diff -urNp linux-2.6.39.3/arch/mips/pci/pci-sb1250.c linux-2.6.39.3/arch/mips/pci/pci-sb1250.c ---- linux-2.6.39.3/arch/mips/pci/pci-sb1250.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/mips/pci/pci-sb1250.c 2011-05-22 19:36:30.000000000 -0400 -@@ -181,7 +181,7 @@ static int sb1250_pcibios_write(struct p - return PCIBIOS_SUCCESSFUL; - } - --struct pci_ops sb1250_pci_ops = { -+const struct pci_ops sb1250_pci_ops = { - .read = sb1250_pcibios_read, - .write = sb1250_pcibios_write, - }; -diff -urNp linux-2.6.39.3/arch/mips/pci/pci-vr41xx.c linux-2.6.39.3/arch/mips/pci/pci-vr41xx.c ---- linux-2.6.39.3/arch/mips/pci/pci-vr41xx.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/mips/pci/pci-vr41xx.c 2011-05-22 19:36:30.000000000 -0400 -@@ -36,7 +36,7 @@ - - #include "pci-vr41xx.h" - --extern struct pci_ops vr41xx_pci_ops; -+extern const struct pci_ops vr41xx_pci_ops; - - static void __iomem *pciu_base; - -diff -urNp linux-2.6.39.3/arch/mips/pci/pci-yosemite.c linux-2.6.39.3/arch/mips/pci/pci-yosemite.c ---- linux-2.6.39.3/arch/mips/pci/pci-yosemite.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/mips/pci/pci-yosemite.c 2011-05-22 19:36:30.000000000 -0400 -@@ -11,7 +11,7 @@ - #include <linux/pci.h> - #include <asm/titan_dep.h> - --extern struct pci_ops titan_pci_ops; -+extern const struct pci_ops titan_pci_ops; - - static struct resource py_mem_resource = { - .start = 0xe0000000UL, -diff -urNp linux-2.6.39.3/arch/mips/pmc-sierra/yosemite/ht.c linux-2.6.39.3/arch/mips/pmc-sierra/yosemite/ht.c ---- linux-2.6.39.3/arch/mips/pmc-sierra/yosemite/ht.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/mips/pmc-sierra/yosemite/ht.c 2011-05-22 19:36:30.000000000 -0400 -@@ -366,7 +366,7 @@ resource_size_t pcibios_align_resource(v - return start; - } - --struct pci_ops titan_pci_ops = { -+const struct pci_ops titan_pci_ops = { - titan_ht_config_read_byte, - titan_ht_config_read_word, - titan_ht_config_read_dword, -diff -urNp linux-2.6.39.3/arch/mips/pnx8550/common/pci.c linux-2.6.39.3/arch/mips/pnx8550/common/pci.c ---- linux-2.6.39.3/arch/mips/pnx8550/common/pci.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/mips/pnx8550/common/pci.c 2011-05-22 19:36:30.000000000 -0400 -@@ -40,7 +40,7 @@ static struct resource pci_mem_resource - .flags = IORESOURCE_MEM - }; - --extern struct pci_ops pnx8550_pci_ops; -+extern const struct pci_ops pnx8550_pci_ops; - - static struct pci_controller pnx8550_controller = { - .pci_ops = &pnx8550_pci_ops, -diff -urNp linux-2.6.39.3/arch/mips/sni/pcimt.c linux-2.6.39.3/arch/mips/sni/pcimt.c ---- linux-2.6.39.3/arch/mips/sni/pcimt.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/mips/sni/pcimt.c 2011-05-22 19:36:30.000000000 -0400 -@@ -183,7 +183,7 @@ static void __init sni_pcimt_resource_in - request_resource(&sni_mem_resource, pcimt_mem_resources + i); - } - --extern struct pci_ops sni_pcimt_ops; -+extern const struct pci_ops sni_pcimt_ops; - - static struct pci_controller sni_controller = { - .pci_ops = &sni_pcimt_ops, -diff -urNp linux-2.6.39.3/arch/mips/sni/pcit.c linux-2.6.39.3/arch/mips/sni/pcit.c ---- linux-2.6.39.3/arch/mips/sni/pcit.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/mips/sni/pcit.c 2011-05-22 19:36:30.000000000 -0400 -@@ -145,7 +145,7 @@ static void __init sni_pcit_resource_ini - } - - --extern struct pci_ops sni_pcit_ops; -+extern const struct pci_ops sni_pcit_ops; - - static struct pci_controller sni_pcit_controller = { - .pci_ops = &sni_pcit_ops, -diff -urNp linux-2.6.39.3/arch/mips/wrppmc/pci.c linux-2.6.39.3/arch/mips/wrppmc/pci.c ---- linux-2.6.39.3/arch/mips/wrppmc/pci.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/mips/wrppmc/pci.c 2011-05-22 19:36:30.000000000 -0400 -@@ -14,7 +14,7 @@ - - #include <asm/gt64120.h> - --extern struct pci_ops gt64xxx_pci0_ops; -+extern const struct pci_ops gt64xxx_pci0_ops; - - static struct resource pci0_io_resource = { - .name = "pci_0 io", -diff -urNp linux-2.6.39.3/arch/mn10300/unit-asb2305/pci-asb2305.h linux-2.6.39.3/arch/mn10300/unit-asb2305/pci-asb2305.h ---- linux-2.6.39.3/arch/mn10300/unit-asb2305/pci-asb2305.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/mn10300/unit-asb2305/pci-asb2305.h 2011-05-22 19:36:30.000000000 -0400 -@@ -39,7 +39,7 @@ extern void pcibios_resource_survey(void - - extern int pcibios_last_bus; - extern struct pci_bus *pci_root_bus; --extern struct pci_ops *pci_root_ops; -+extern const struct pci_ops *pci_root_ops; - - extern struct irq_routing_table *pcibios_get_irq_routing_table(void); - extern int pcibios_set_irq_routing(struct pci_dev *dev, int pin, int irq); -diff -urNp linux-2.6.39.3/arch/mn10300/unit-asb2305/pci.c linux-2.6.39.3/arch/mn10300/unit-asb2305/pci.c ---- linux-2.6.39.3/arch/mn10300/unit-asb2305/pci.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/mn10300/unit-asb2305/pci.c 2011-05-22 19:36:30.000000000 -0400 -@@ -24,7 +24,7 @@ unsigned int pci_probe = 1; - - int pcibios_last_bus = -1; - struct pci_bus *pci_root_bus; --struct pci_ops *pci_root_ops; -+const struct pci_ops *pci_root_ops; - - /* - * The accessible PCI window does not cover the entire CPU address space, but -@@ -274,7 +274,7 @@ static int pci_ampci_write_config(struct - } - } - --static struct pci_ops pci_direct_ampci = { -+static const struct pci_ops pci_direct_ampci = { - pci_ampci_read_config, - pci_ampci_write_config, - }; -@@ -289,7 +289,7 @@ static struct pci_ops pci_direct_ampci = - * This should be close to trivial, but it isn't, because there are buggy - * chipsets (yes, you guessed it, by Intel and Compaq) that have no class ID. - */ --static int __init pci_sanity_check(struct pci_ops *o) -+static int __init pci_sanity_check(const struct pci_ops *o) - { - struct pci_bus bus; /* Fake bus and device */ - u32 x; -diff -urNp linux-2.6.39.3/arch/parisc/include/asm/elf.h linux-2.6.39.3/arch/parisc/include/asm/elf.h ---- linux-2.6.39.3/arch/parisc/include/asm/elf.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/parisc/include/asm/elf.h 2011-05-22 19:36:30.000000000 -0400 -@@ -342,6 +342,13 @@ struct pt_regs; /* forward declaration.. - - #define ELF_ET_DYN_BASE (TASK_UNMAPPED_BASE + 0x01000000) - -+#ifdef CONFIG_PAX_ASLR -+#define PAX_ELF_ET_DYN_BASE 0x10000UL -+ -+#define PAX_DELTA_MMAP_LEN 16 -+#define PAX_DELTA_STACK_LEN 16 -+#endif -+ - /* This yields a mask that user programs can use to figure out what - instruction set this CPU supports. This could be done in user space, - but it's not easy, and we've already done it here. */ -diff -urNp linux-2.6.39.3/arch/parisc/include/asm/pgtable.h linux-2.6.39.3/arch/parisc/include/asm/pgtable.h ---- linux-2.6.39.3/arch/parisc/include/asm/pgtable.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/parisc/include/asm/pgtable.h 2011-05-22 19:36:30.000000000 -0400 -@@ -207,6 +207,17 @@ struct vm_area_struct; - #define PAGE_EXECREAD __pgprot(_PAGE_PRESENT | _PAGE_USER | _PAGE_READ | _PAGE_EXEC |_PAGE_ACCESSED) - #define PAGE_COPY PAGE_EXECREAD - #define PAGE_RWX __pgprot(_PAGE_PRESENT | _PAGE_USER | _PAGE_READ | _PAGE_WRITE | _PAGE_EXEC |_PAGE_ACCESSED) -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+# define PAGE_SHARED_NOEXEC __pgprot(_PAGE_PRESENT | _PAGE_USER | _PAGE_READ | _PAGE_WRITE | _PAGE_ACCESSED) -+# define PAGE_COPY_NOEXEC __pgprot(_PAGE_PRESENT | _PAGE_USER | _PAGE_READ | _PAGE_ACCESSED) -+# define PAGE_READONLY_NOEXEC __pgprot(_PAGE_PRESENT | _PAGE_USER | _PAGE_READ | _PAGE_ACCESSED) -+#else -+# define PAGE_SHARED_NOEXEC PAGE_SHARED -+# define PAGE_COPY_NOEXEC PAGE_COPY -+# define PAGE_READONLY_NOEXEC PAGE_READONLY -+#endif -+ - #define PAGE_KERNEL __pgprot(_PAGE_KERNEL) - #define PAGE_KERNEL_RO __pgprot(_PAGE_KERNEL & ~_PAGE_WRITE) - #define PAGE_KERNEL_UNC __pgprot(_PAGE_KERNEL | _PAGE_NO_CACHE) -diff -urNp linux-2.6.39.3/arch/parisc/kernel/module.c linux-2.6.39.3/arch/parisc/kernel/module.c ---- linux-2.6.39.3/arch/parisc/kernel/module.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/parisc/kernel/module.c 2011-05-22 19:36:30.000000000 -0400 -@@ -96,16 +96,38 @@ - - /* three functions to determine where in the module core - * or init pieces the location is */ -+static inline int in_init_rx(struct module *me, void *loc) -+{ -+ return (loc >= me->module_init_rx && -+ loc < (me->module_init_rx + me->init_size_rx)); -+} -+ -+static inline int in_init_rw(struct module *me, void *loc) -+{ -+ return (loc >= me->module_init_rw && -+ loc < (me->module_init_rw + me->init_size_rw)); -+} -+ - static inline int in_init(struct module *me, void *loc) - { -- return (loc >= me->module_init && -- loc <= (me->module_init + me->init_size)); -+ return in_init_rx(me, loc) || in_init_rw(me, loc); -+} -+ -+static inline int in_core_rx(struct module *me, void *loc) -+{ -+ return (loc >= me->module_core_rx && -+ loc < (me->module_core_rx + me->core_size_rx)); -+} -+ -+static inline int in_core_rw(struct module *me, void *loc) -+{ -+ return (loc >= me->module_core_rw && -+ loc < (me->module_core_rw + me->core_size_rw)); - } - - static inline int in_core(struct module *me, void *loc) - { -- return (loc >= me->module_core && -- loc <= (me->module_core + me->core_size)); -+ return in_core_rx(me, loc) || in_core_rw(me, loc); - } - - static inline int in_local(struct module *me, void *loc) -@@ -365,13 +387,13 @@ int module_frob_arch_sections(CONST Elf_ - } - - /* align things a bit */ -- me->core_size = ALIGN(me->core_size, 16); -- me->arch.got_offset = me->core_size; -- me->core_size += gots * sizeof(struct got_entry); -- -- me->core_size = ALIGN(me->core_size, 16); -- me->arch.fdesc_offset = me->core_size; -- me->core_size += fdescs * sizeof(Elf_Fdesc); -+ me->core_size_rw = ALIGN(me->core_size_rw, 16); -+ me->arch.got_offset = me->core_size_rw; -+ me->core_size_rw += gots * sizeof(struct got_entry); -+ -+ me->core_size_rw = ALIGN(me->core_size_rw, 16); -+ me->arch.fdesc_offset = me->core_size_rw; -+ me->core_size_rw += fdescs * sizeof(Elf_Fdesc); - - me->arch.got_max = gots; - me->arch.fdesc_max = fdescs; -@@ -389,7 +411,7 @@ static Elf64_Word get_got(struct module - - BUG_ON(value == 0); - -- got = me->module_core + me->arch.got_offset; -+ got = me->module_core_rw + me->arch.got_offset; - for (i = 0; got[i].addr; i++) - if (got[i].addr == value) - goto out; -@@ -407,7 +429,7 @@ static Elf64_Word get_got(struct module - #ifdef CONFIG_64BIT - static Elf_Addr get_fdesc(struct module *me, unsigned long value) - { -- Elf_Fdesc *fdesc = me->module_core + me->arch.fdesc_offset; -+ Elf_Fdesc *fdesc = me->module_core_rw + me->arch.fdesc_offset; - - if (!value) { - printk(KERN_ERR "%s: zero OPD requested!\n", me->name); -@@ -425,7 +447,7 @@ static Elf_Addr get_fdesc(struct module - - /* Create new one */ - fdesc->addr = value; -- fdesc->gp = (Elf_Addr)me->module_core + me->arch.got_offset; -+ fdesc->gp = (Elf_Addr)me->module_core_rw + me->arch.got_offset; - return (Elf_Addr)fdesc; - } - #endif /* CONFIG_64BIT */ -@@ -849,7 +871,7 @@ register_unwind_table(struct module *me, - - table = (unsigned char *)sechdrs[me->arch.unwind_section].sh_addr; - end = table + sechdrs[me->arch.unwind_section].sh_size; -- gp = (Elf_Addr)me->module_core + me->arch.got_offset; -+ gp = (Elf_Addr)me->module_core_rw + me->arch.got_offset; - - DEBUGP("register_unwind_table(), sect = %d at 0x%p - 0x%p (gp=0x%lx)\n", - me->arch.unwind_section, table, end, gp); -diff -urNp linux-2.6.39.3/arch/parisc/kernel/sys_parisc.c linux-2.6.39.3/arch/parisc/kernel/sys_parisc.c ---- linux-2.6.39.3/arch/parisc/kernel/sys_parisc.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/parisc/kernel/sys_parisc.c 2011-05-22 19:36:30.000000000 -0400 -@@ -43,7 +43,7 @@ static unsigned long get_unshared_area(u - /* At this point: (!vma || addr < vma->vm_end). */ - if (TASK_SIZE - len < addr) - return -ENOMEM; -- if (!vma || addr + len <= vma->vm_start) -+ if (check_heap_stack_gap(vma, addr, len)) - return addr; - addr = vma->vm_end; - } -@@ -79,7 +79,7 @@ static unsigned long get_shared_area(str - /* At this point: (!vma || addr < vma->vm_end). */ - if (TASK_SIZE - len < addr) - return -ENOMEM; -- if (!vma || addr + len <= vma->vm_start) -+ if (check_heap_stack_gap(vma, addr, len)) - return addr; - addr = DCACHE_ALIGN(vma->vm_end - offset) + offset; - if (addr < vma->vm_end) /* handle wraparound */ -@@ -98,7 +98,7 @@ unsigned long arch_get_unmapped_area(str - if (flags & MAP_FIXED) - return addr; - if (!addr) -- addr = TASK_UNMAPPED_BASE; -+ addr = current->mm->mmap_base; - - if (filp) { - addr = get_shared_area(filp->f_mapping, addr, len, pgoff); -diff -urNp linux-2.6.39.3/arch/parisc/kernel/traps.c linux-2.6.39.3/arch/parisc/kernel/traps.c ---- linux-2.6.39.3/arch/parisc/kernel/traps.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/parisc/kernel/traps.c 2011-05-22 19:36:30.000000000 -0400 -@@ -733,9 +733,7 @@ void notrace handle_interruption(int cod - - down_read(¤t->mm->mmap_sem); - vma = find_vma(current->mm,regs->iaoq[0]); -- if (vma && (regs->iaoq[0] >= vma->vm_start) -- && (vma->vm_flags & VM_EXEC)) { -- -+ if (vma && (regs->iaoq[0] >= vma->vm_start)) { - fault_address = regs->iaoq[0]; - fault_space = regs->iasq[0]; - -diff -urNp linux-2.6.39.3/arch/parisc/mm/fault.c linux-2.6.39.3/arch/parisc/mm/fault.c ---- linux-2.6.39.3/arch/parisc/mm/fault.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/parisc/mm/fault.c 2011-05-22 19:36:30.000000000 -0400 -@@ -15,6 +15,7 @@ - #include <linux/sched.h> - #include <linux/interrupt.h> - #include <linux/module.h> -+#include <linux/unistd.h> - - #include <asm/uaccess.h> - #include <asm/traps.h> -@@ -52,7 +53,7 @@ DEFINE_PER_CPU(struct exception_data, ex - static unsigned long - parisc_acctyp(unsigned long code, unsigned int inst) - { -- if (code == 6 || code == 16) -+ if (code == 6 || code == 7 || code == 16) - return VM_EXEC; - - switch (inst & 0xf0000000) { -@@ -138,6 +139,116 @@ parisc_acctyp(unsigned long code, unsign - } - #endif - -+#ifdef CONFIG_PAX_PAGEEXEC -+/* -+ * PaX: decide what to do with offenders (instruction_pointer(regs) = fault address) -+ * -+ * returns 1 when task should be killed -+ * 2 when rt_sigreturn trampoline was detected -+ * 3 when unpatched PLT trampoline was detected -+ */ -+static int pax_handle_fetch_fault(struct pt_regs *regs) -+{ -+ -+#ifdef CONFIG_PAX_EMUPLT -+ int err; -+ -+ do { /* PaX: unpatched PLT emulation */ -+ unsigned int bl, depwi; -+ -+ err = get_user(bl, (unsigned int *)instruction_pointer(regs)); -+ err |= get_user(depwi, (unsigned int *)(instruction_pointer(regs)+4)); -+ -+ if (err) -+ break; -+ -+ if (bl == 0xEA9F1FDDU && depwi == 0xD6801C1EU) { -+ unsigned int ldw, bv, ldw2, addr = instruction_pointer(regs)-12; -+ -+ err = get_user(ldw, (unsigned int *)addr); -+ err |= get_user(bv, (unsigned int *)(addr+4)); -+ err |= get_user(ldw2, (unsigned int *)(addr+8)); -+ -+ if (err) -+ break; -+ -+ if (ldw == 0x0E801096U && -+ bv == 0xEAC0C000U && -+ ldw2 == 0x0E881095U) -+ { -+ unsigned int resolver, map; -+ -+ err = get_user(resolver, (unsigned int *)(instruction_pointer(regs)+8)); -+ err |= get_user(map, (unsigned int *)(instruction_pointer(regs)+12)); -+ if (err) -+ break; -+ -+ regs->gr[20] = instruction_pointer(regs)+8; -+ regs->gr[21] = map; -+ regs->gr[22] = resolver; -+ regs->iaoq[0] = resolver | 3UL; -+ regs->iaoq[1] = regs->iaoq[0] + 4; -+ return 3; -+ } -+ } -+ } while (0); -+#endif -+ -+#ifdef CONFIG_PAX_EMUTRAMP -+ -+#ifndef CONFIG_PAX_EMUSIGRT -+ if (!(current->mm->pax_flags & MF_PAX_EMUTRAMP)) -+ return 1; -+#endif -+ -+ do { /* PaX: rt_sigreturn emulation */ -+ unsigned int ldi1, ldi2, bel, nop; -+ -+ err = get_user(ldi1, (unsigned int *)instruction_pointer(regs)); -+ err |= get_user(ldi2, (unsigned int *)(instruction_pointer(regs)+4)); -+ err |= get_user(bel, (unsigned int *)(instruction_pointer(regs)+8)); -+ err |= get_user(nop, (unsigned int *)(instruction_pointer(regs)+12)); -+ -+ if (err) -+ break; -+ -+ if ((ldi1 == 0x34190000U || ldi1 == 0x34190002U) && -+ ldi2 == 0x3414015AU && -+ bel == 0xE4008200U && -+ nop == 0x08000240U) -+ { -+ regs->gr[25] = (ldi1 & 2) >> 1; -+ regs->gr[20] = __NR_rt_sigreturn; -+ regs->gr[31] = regs->iaoq[1] + 16; -+ regs->sr[0] = regs->iasq[1]; -+ regs->iaoq[0] = 0x100UL; -+ regs->iaoq[1] = regs->iaoq[0] + 4; -+ regs->iasq[0] = regs->sr[2]; -+ regs->iasq[1] = regs->sr[2]; -+ return 2; -+ } -+ } while (0); -+#endif -+ -+ return 1; -+} -+ -+void pax_report_insns(void *pc, void *sp) -+{ -+ unsigned long i; -+ -+ printk(KERN_ERR "PAX: bytes at PC: "); -+ for (i = 0; i < 5; i++) { -+ unsigned int c; -+ if (get_user(c, (unsigned int *)pc+i)) -+ printk(KERN_CONT "???????? "); -+ else -+ printk(KERN_CONT "%08x ", c); -+ } -+ printk("\n"); -+} -+#endif -+ - int fixup_exception(struct pt_regs *regs) - { - const struct exception_table_entry *fix; -@@ -192,8 +303,33 @@ good_area: - - acc_type = parisc_acctyp(code,regs->iir); - -- if ((vma->vm_flags & acc_type) != acc_type) -+ if ((vma->vm_flags & acc_type) != acc_type) { -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+ if ((mm->pax_flags & MF_PAX_PAGEEXEC) && (acc_type & VM_EXEC) && -+ (address & ~3UL) == instruction_pointer(regs)) -+ { -+ up_read(&mm->mmap_sem); -+ switch (pax_handle_fetch_fault(regs)) { -+ -+#ifdef CONFIG_PAX_EMUPLT -+ case 3: -+ return; -+#endif -+ -+#ifdef CONFIG_PAX_EMUTRAMP -+ case 2: -+ return; -+#endif -+ -+ } -+ pax_report_fault(regs, (void *)instruction_pointer(regs), (void *)regs->gr[30]); -+ do_group_exit(SIGKILL); -+ } -+#endif -+ - goto bad_area; -+ } - - /* - * If for any reason at all we couldn't handle the fault, make -diff -urNp linux-2.6.39.3/arch/powerpc/include/asm/device.h linux-2.6.39.3/arch/powerpc/include/asm/device.h ---- linux-2.6.39.3/arch/powerpc/include/asm/device.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/powerpc/include/asm/device.h 2011-05-22 19:36:30.000000000 -0400 -@@ -17,7 +17,7 @@ struct device_node; - */ - struct dev_archdata { - /* DMA operations on that device */ -- struct dma_map_ops *dma_ops; -+ const struct dma_map_ops *dma_ops; - - /* - * When an iommu is in use, dma_data is used as a ptr to the base of the -diff -urNp linux-2.6.39.3/arch/powerpc/include/asm/dma-mapping.h linux-2.6.39.3/arch/powerpc/include/asm/dma-mapping.h ---- linux-2.6.39.3/arch/powerpc/include/asm/dma-mapping.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/powerpc/include/asm/dma-mapping.h 2011-05-22 19:36:30.000000000 -0400 -@@ -67,12 +67,13 @@ static inline unsigned long device_to_ma - /* - * Available generic sets of operations - */ -+/* cannot be const */ - #ifdef CONFIG_PPC64 --extern struct dma_map_ops dma_iommu_ops; -+extern const struct dma_map_ops dma_iommu_ops; - #endif --extern struct dma_map_ops dma_direct_ops; -+extern const struct dma_map_ops dma_direct_ops; - --static inline struct dma_map_ops *get_dma_ops(struct device *dev) -+static inline const struct dma_map_ops *get_dma_ops(struct device *dev) - { - /* We don't handle the NULL dev case for ISA for now. We could - * do it via an out of line call but it is not needed for now. The -@@ -85,7 +86,7 @@ static inline struct dma_map_ops *get_dm - return dev->archdata.dma_ops; - } - --static inline void set_dma_ops(struct device *dev, struct dma_map_ops *ops) -+static inline void set_dma_ops(struct device *dev, const struct dma_map_ops *ops) - { - dev->archdata.dma_ops = ops; - } -@@ -119,7 +120,7 @@ static inline void set_dma_offset(struct - - static inline int dma_supported(struct device *dev, u64 mask) - { -- struct dma_map_ops *dma_ops = get_dma_ops(dev); -+ const struct dma_map_ops *dma_ops = get_dma_ops(dev); - - if (unlikely(dma_ops == NULL)) - return 0; -@@ -133,7 +134,7 @@ extern int dma_set_mask(struct device *d - static inline void *dma_alloc_coherent(struct device *dev, size_t size, - dma_addr_t *dma_handle, gfp_t flag) - { -- struct dma_map_ops *dma_ops = get_dma_ops(dev); -+ const struct dma_map_ops *dma_ops = get_dma_ops(dev); - void *cpu_addr; - - BUG_ON(!dma_ops); -@@ -148,7 +149,7 @@ static inline void *dma_alloc_coherent(s - static inline void dma_free_coherent(struct device *dev, size_t size, - void *cpu_addr, dma_addr_t dma_handle) - { -- struct dma_map_ops *dma_ops = get_dma_ops(dev); -+ const struct dma_map_ops *dma_ops = get_dma_ops(dev); - - BUG_ON(!dma_ops); - -@@ -159,7 +160,7 @@ static inline void dma_free_coherent(str - - static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr) - { -- struct dma_map_ops *dma_ops = get_dma_ops(dev); -+ const struct dma_map_ops *dma_ops = get_dma_ops(dev); - - if (dma_ops->mapping_error) - return dma_ops->mapping_error(dev, dma_addr); -diff -urNp linux-2.6.39.3/arch/powerpc/include/asm/elf.h linux-2.6.39.3/arch/powerpc/include/asm/elf.h ---- linux-2.6.39.3/arch/powerpc/include/asm/elf.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/powerpc/include/asm/elf.h 2011-05-22 19:36:30.000000000 -0400 -@@ -178,8 +178,19 @@ typedef elf_fpreg_t elf_vsrreghalf_t32[E - the loader. We need to make sure that it is out of the way of the program - that it will "exec", and that there is sufficient room for the brk. */ - --extern unsigned long randomize_et_dyn(unsigned long base); --#define ELF_ET_DYN_BASE (randomize_et_dyn(0x20000000)) -+#define ELF_ET_DYN_BASE (0x20000000) -+ -+#ifdef CONFIG_PAX_ASLR -+#define PAX_ELF_ET_DYN_BASE (0x10000000UL) -+ -+#ifdef __powerpc64__ -+#define PAX_DELTA_MMAP_LEN (is_32bit_task() ? 16 : 28) -+#define PAX_DELTA_STACK_LEN (is_32bit_task() ? 16 : 28) -+#else -+#define PAX_DELTA_MMAP_LEN 15 -+#define PAX_DELTA_STACK_LEN 15 -+#endif -+#endif - - /* - * Our registers are always unsigned longs, whether we're a 32 bit -@@ -274,9 +285,6 @@ extern int arch_setup_additional_pages(s - (0x7ff >> (PAGE_SHIFT - 12)) : \ - (0x3ffff >> (PAGE_SHIFT - 12))) - --extern unsigned long arch_randomize_brk(struct mm_struct *mm); --#define arch_randomize_brk arch_randomize_brk -- - #endif /* __KERNEL__ */ - - /* -diff -urNp linux-2.6.39.3/arch/powerpc/include/asm/iommu.h linux-2.6.39.3/arch/powerpc/include/asm/iommu.h ---- linux-2.6.39.3/arch/powerpc/include/asm/iommu.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/powerpc/include/asm/iommu.h 2011-05-22 19:36:30.000000000 -0400 -@@ -116,6 +116,9 @@ extern void iommu_init_early_iSeries(voi - extern void iommu_init_early_dart(void); - extern void iommu_init_early_pasemi(void); - -+/* dma-iommu.c */ -+extern int dma_iommu_dma_supported(struct device *dev, u64 mask); -+ - #ifdef CONFIG_PCI - extern void pci_iommu_init(void); - extern void pci_direct_iommu_init(void); -diff -urNp linux-2.6.39.3/arch/powerpc/include/asm/kmap_types.h linux-2.6.39.3/arch/powerpc/include/asm/kmap_types.h ---- linux-2.6.39.3/arch/powerpc/include/asm/kmap_types.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/powerpc/include/asm/kmap_types.h 2011-05-22 19:36:30.000000000 -0400 -@@ -27,6 +27,7 @@ enum km_type { - KM_PPC_SYNC_PAGE, - KM_PPC_SYNC_ICACHE, - KM_KDB, -+ KM_CLEARPAGE, - KM_TYPE_NR - }; - -diff -urNp linux-2.6.39.3/arch/powerpc/include/asm/page_64.h linux-2.6.39.3/arch/powerpc/include/asm/page_64.h ---- linux-2.6.39.3/arch/powerpc/include/asm/page_64.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/powerpc/include/asm/page_64.h 2011-05-22 19:36:30.000000000 -0400 -@@ -172,15 +172,18 @@ do { \ - * stack by default, so in the absence of a PT_GNU_STACK program header - * we turn execute permission off. - */ --#define VM_STACK_DEFAULT_FLAGS32 (VM_READ | VM_WRITE | VM_EXEC | \ -- VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) -+#define VM_STACK_DEFAULT_FLAGS32 \ -+ (((current->personality & READ_IMPLIES_EXEC) ? VM_EXEC : 0) | \ -+ VM_READ | VM_WRITE | VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) - - #define VM_STACK_DEFAULT_FLAGS64 (VM_READ | VM_WRITE | \ - VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) - -+#ifndef CONFIG_PAX_PAGEEXEC - #define VM_STACK_DEFAULT_FLAGS \ - (is_32bit_task() ? \ - VM_STACK_DEFAULT_FLAGS32 : VM_STACK_DEFAULT_FLAGS64) -+#endif - - #include <asm-generic/getorder.h> - -diff -urNp linux-2.6.39.3/arch/powerpc/include/asm/page.h linux-2.6.39.3/arch/powerpc/include/asm/page.h ---- linux-2.6.39.3/arch/powerpc/include/asm/page.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/powerpc/include/asm/page.h 2011-05-22 19:36:30.000000000 -0400 -@@ -129,8 +129,9 @@ extern phys_addr_t kernstart_addr; - * and needs to be executable. This means the whole heap ends - * up being executable. - */ --#define VM_DATA_DEFAULT_FLAGS32 (VM_READ | VM_WRITE | VM_EXEC | \ -- VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) -+#define VM_DATA_DEFAULT_FLAGS32 \ -+ (((current->personality & READ_IMPLIES_EXEC) ? VM_EXEC : 0) | \ -+ VM_READ | VM_WRITE | VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) - - #define VM_DATA_DEFAULT_FLAGS64 (VM_READ | VM_WRITE | \ - VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC) -@@ -158,6 +159,9 @@ extern phys_addr_t kernstart_addr; - #define is_kernel_addr(x) ((x) >= PAGE_OFFSET) - #endif - -+#define ktla_ktva(addr) (addr) -+#define ktva_ktla(addr) (addr) -+ - #ifndef __ASSEMBLY__ - - #undef STRICT_MM_TYPECHECKS -diff -urNp linux-2.6.39.3/arch/powerpc/include/asm/pci.h linux-2.6.39.3/arch/powerpc/include/asm/pci.h ---- linux-2.6.39.3/arch/powerpc/include/asm/pci.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/powerpc/include/asm/pci.h 2011-05-22 19:36:30.000000000 -0400 -@@ -65,8 +65,8 @@ static inline int pci_get_legacy_ide_irq - } - - #ifdef CONFIG_PCI --extern void set_pci_dma_ops(struct dma_map_ops *dma_ops); --extern struct dma_map_ops *get_pci_dma_ops(void); -+extern void set_pci_dma_ops(const struct dma_map_ops *dma_ops); -+extern const struct dma_map_ops *get_pci_dma_ops(void); - #else /* CONFIG_PCI */ - #define set_pci_dma_ops(d) - #define get_pci_dma_ops() NULL -diff -urNp linux-2.6.39.3/arch/powerpc/include/asm/pgtable.h linux-2.6.39.3/arch/powerpc/include/asm/pgtable.h ---- linux-2.6.39.3/arch/powerpc/include/asm/pgtable.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/powerpc/include/asm/pgtable.h 2011-05-22 19:36:30.000000000 -0400 -@@ -2,6 +2,7 @@ - #define _ASM_POWERPC_PGTABLE_H - #ifdef __KERNEL__ - -+#include <linux/const.h> - #ifndef __ASSEMBLY__ - #include <asm/processor.h> /* For TASK_SIZE */ - #include <asm/mmu.h> -diff -urNp linux-2.6.39.3/arch/powerpc/include/asm/pte-hash32.h linux-2.6.39.3/arch/powerpc/include/asm/pte-hash32.h ---- linux-2.6.39.3/arch/powerpc/include/asm/pte-hash32.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/powerpc/include/asm/pte-hash32.h 2011-05-22 19:36:30.000000000 -0400 -@@ -21,6 +21,7 @@ - #define _PAGE_FILE 0x004 /* when !present: nonlinear file mapping */ - #define _PAGE_USER 0x004 /* usermode access allowed */ - #define _PAGE_GUARDED 0x008 /* G: prohibit speculative access */ -+#define _PAGE_EXEC _PAGE_GUARDED - #define _PAGE_COHERENT 0x010 /* M: enforce memory coherence (SMP systems) */ - #define _PAGE_NO_CACHE 0x020 /* I: cache inhibit */ - #define _PAGE_WRITETHRU 0x040 /* W: cache write-through */ -diff -urNp linux-2.6.39.3/arch/powerpc/include/asm/reg.h linux-2.6.39.3/arch/powerpc/include/asm/reg.h ---- linux-2.6.39.3/arch/powerpc/include/asm/reg.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/powerpc/include/asm/reg.h 2011-05-22 19:36:30.000000000 -0400 -@@ -201,6 +201,7 @@ - #define SPRN_DBCR 0x136 /* e300 Data Breakpoint Control Reg */ - #define SPRN_DSISR 0x012 /* Data Storage Interrupt Status Register */ - #define DSISR_NOHPTE 0x40000000 /* no translation found */ -+#define DSISR_GUARDED 0x10000000 /* fetch from guarded storage */ - #define DSISR_PROTFAULT 0x08000000 /* protection fault */ - #define DSISR_ISSTORE 0x02000000 /* access was a store */ - #define DSISR_DABRMATCH 0x00400000 /* hit data breakpoint */ -diff -urNp linux-2.6.39.3/arch/powerpc/include/asm/swiotlb.h linux-2.6.39.3/arch/powerpc/include/asm/swiotlb.h ---- linux-2.6.39.3/arch/powerpc/include/asm/swiotlb.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/powerpc/include/asm/swiotlb.h 2011-05-22 19:36:30.000000000 -0400 -@@ -13,7 +13,7 @@ - - #include <linux/swiotlb.h> - --extern struct dma_map_ops swiotlb_dma_ops; -+extern const struct dma_map_ops swiotlb_dma_ops; - - static inline void dma_mark_clean(void *addr, size_t size) {} - -diff -urNp linux-2.6.39.3/arch/powerpc/include/asm/system.h linux-2.6.39.3/arch/powerpc/include/asm/system.h ---- linux-2.6.39.3/arch/powerpc/include/asm/system.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/powerpc/include/asm/system.h 2011-05-22 19:36:30.000000000 -0400 -@@ -533,7 +533,7 @@ __cmpxchg_local(volatile void *ptr, unsi - #define cmpxchg64_local(ptr, o, n) __cmpxchg64_local_generic((ptr), (o), (n)) - #endif - --extern unsigned long arch_align_stack(unsigned long sp); -+#define arch_align_stack(x) ((x) & ~0xfUL) - - /* Used in very early kernel initialization. */ - extern unsigned long reloc_offset(void); -diff -urNp linux-2.6.39.3/arch/powerpc/include/asm/uaccess.h linux-2.6.39.3/arch/powerpc/include/asm/uaccess.h ---- linux-2.6.39.3/arch/powerpc/include/asm/uaccess.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/powerpc/include/asm/uaccess.h 2011-05-22 19:36:30.000000000 -0400 -@@ -13,6 +13,8 @@ - #define VERIFY_READ 0 - #define VERIFY_WRITE 1 - -+extern void check_object_size(const void *ptr, unsigned long n, bool to); -+ - /* - * The fs value determines whether argument validity checking should be - * performed or not. If get_fs() == USER_DS, checking is performed, with -@@ -327,52 +329,6 @@ do { \ - extern unsigned long __copy_tofrom_user(void __user *to, - const void __user *from, unsigned long size); - --#ifndef __powerpc64__ -- --static inline unsigned long copy_from_user(void *to, -- const void __user *from, unsigned long n) --{ -- unsigned long over; -- -- if (access_ok(VERIFY_READ, from, n)) -- return __copy_tofrom_user((__force void __user *)to, from, n); -- if ((unsigned long)from < TASK_SIZE) { -- over = (unsigned long)from + n - TASK_SIZE; -- return __copy_tofrom_user((__force void __user *)to, from, -- n - over) + over; -- } -- return n; --} -- --static inline unsigned long copy_to_user(void __user *to, -- const void *from, unsigned long n) --{ -- unsigned long over; -- -- if (access_ok(VERIFY_WRITE, to, n)) -- return __copy_tofrom_user(to, (__force void __user *)from, n); -- if ((unsigned long)to < TASK_SIZE) { -- over = (unsigned long)to + n - TASK_SIZE; -- return __copy_tofrom_user(to, (__force void __user *)from, -- n - over) + over; -- } -- return n; --} -- --#else /* __powerpc64__ */ -- --#define __copy_in_user(to, from, size) \ -- __copy_tofrom_user((to), (from), (size)) -- --extern unsigned long copy_from_user(void *to, const void __user *from, -- unsigned long n); --extern unsigned long copy_to_user(void __user *to, const void *from, -- unsigned long n); --extern unsigned long copy_in_user(void __user *to, const void __user *from, -- unsigned long n); -- --#endif /* __powerpc64__ */ -- - static inline unsigned long __copy_from_user_inatomic(void *to, - const void __user *from, unsigned long n) - { -@@ -396,6 +352,10 @@ static inline unsigned long __copy_from_ - if (ret == 0) - return 0; - } -+ -+ if (!__builtin_constant_p(n)) -+ check_object_size(to, n, false); -+ - return __copy_tofrom_user((__force void __user *)to, from, n); - } - -@@ -422,6 +382,10 @@ static inline unsigned long __copy_to_us - if (ret == 0) - return 0; - } -+ -+ if (!__builtin_constant_p(n)) -+ check_object_size(from, n, true); -+ - return __copy_tofrom_user(to, (__force const void __user *)from, n); - } - -@@ -439,6 +403,92 @@ static inline unsigned long __copy_to_us - return __copy_to_user_inatomic(to, from, size); - } - -+#ifndef __powerpc64__ -+ -+static inline unsigned long __must_check copy_from_user(void *to, -+ const void __user *from, unsigned long n) -+{ -+ unsigned long over; -+ -+ if ((long)n < 0) -+ return n; -+ -+ if (access_ok(VERIFY_READ, from, n)) { -+ if (!__builtin_constant_p(n)) -+ check_object_size(to, n, false); -+ return __copy_tofrom_user((__force void __user *)to, from, n); -+ } -+ if ((unsigned long)from < TASK_SIZE) { -+ over = (unsigned long)from + n - TASK_SIZE; -+ if (!__builtin_constant_p(n - over)) -+ check_object_size(to, n - over, false); -+ return __copy_tofrom_user((__force void __user *)to, from, -+ n - over) + over; -+ } -+ return n; -+} -+ -+static inline unsigned long __must_check copy_to_user(void __user *to, -+ const void *from, unsigned long n) -+{ -+ unsigned long over; -+ -+ if ((long)n < 0) -+ return n; -+ -+ if (access_ok(VERIFY_WRITE, to, n)) { -+ if (!__builtin_constant_p(n)) -+ check_object_size(from, n, true); -+ return __copy_tofrom_user(to, (__force void __user *)from, n); -+ } -+ if ((unsigned long)to < TASK_SIZE) { -+ over = (unsigned long)to + n - TASK_SIZE; -+ if (!__builtin_constant_p(n)) -+ check_object_size(from, n - over, true); -+ return __copy_tofrom_user(to, (__force void __user *)from, -+ n - over) + over; -+ } -+ return n; -+} -+ -+#else /* __powerpc64__ */ -+ -+#define __copy_in_user(to, from, size) \ -+ __copy_tofrom_user((to), (from), (size)) -+ -+static inline unsigned long __must_check copy_from_user(void *to, const void __user *from, unsigned long n) -+{ -+ if ((long)n < 0 || n > INT_MAX) -+ return n; -+ -+ if (!__builtin_constant_p(n)) -+ check_object_size(to, n, false); -+ -+ if (likely(access_ok(VERIFY_READ, from, n))) -+ n = __copy_from_user(to, from, n); -+ else -+ memset(to, 0, n); -+ return n; -+} -+ -+static inline unsigned long __must_check copy_to_user(void __user *to, const void *from, unsigned long n) -+{ -+ if ((long)n < 0 || n > INT_MAX) -+ return n; -+ -+ if (likely(access_ok(VERIFY_WRITE, to, n))) { -+ if (!__builtin_constant_p(n)) -+ check_object_size(from, n, true); -+ n = __copy_to_user(to, from, n); -+ } -+ return n; -+} -+ -+extern unsigned long copy_in_user(void __user *to, const void __user *from, -+ unsigned long n); -+ -+#endif /* __powerpc64__ */ -+ - extern unsigned long __clear_user(void __user *addr, unsigned long size); - - static inline unsigned long clear_user(void __user *addr, unsigned long size) -diff -urNp linux-2.6.39.3/arch/powerpc/kernel/dma.c linux-2.6.39.3/arch/powerpc/kernel/dma.c ---- linux-2.6.39.3/arch/powerpc/kernel/dma.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/powerpc/kernel/dma.c 2011-05-22 19:36:30.000000000 -0400 -@@ -136,7 +136,7 @@ static inline void dma_direct_sync_singl - } - #endif - --struct dma_map_ops dma_direct_ops = { -+const struct dma_map_ops dma_direct_ops = { - .alloc_coherent = dma_direct_alloc_coherent, - .free_coherent = dma_direct_free_coherent, - .map_sg = dma_direct_map_sg, -@@ -157,7 +157,7 @@ EXPORT_SYMBOL(dma_direct_ops); - - int dma_set_mask(struct device *dev, u64 dma_mask) - { -- struct dma_map_ops *dma_ops = get_dma_ops(dev); -+ const struct dma_map_ops *dma_ops = get_dma_ops(dev); - - if (ppc_md.dma_set_mask) - return ppc_md.dma_set_mask(dev, dma_mask); -diff -urNp linux-2.6.39.3/arch/powerpc/kernel/dma-iommu.c linux-2.6.39.3/arch/powerpc/kernel/dma-iommu.c ---- linux-2.6.39.3/arch/powerpc/kernel/dma-iommu.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/powerpc/kernel/dma-iommu.c 2011-05-22 19:36:30.000000000 -0400 -@@ -70,7 +70,7 @@ static void dma_iommu_unmap_sg(struct de - } - - /* We support DMA to/from any memory page via the iommu */ --static int dma_iommu_dma_supported(struct device *dev, u64 mask) -+int dma_iommu_dma_supported(struct device *dev, u64 mask) - { - struct iommu_table *tbl = get_iommu_table_base(dev); - -@@ -90,7 +90,7 @@ static int dma_iommu_dma_supported(struc - return 1; - } - --struct dma_map_ops dma_iommu_ops = { -+struct dma_map_ops dma_iommu_ops = { /* cannot be const, see arch/powerpc/platforms/cell/iommu.c */ - .alloc_coherent = dma_iommu_alloc_coherent, - .free_coherent = dma_iommu_free_coherent, - .map_sg = dma_iommu_map_sg, -diff -urNp linux-2.6.39.3/arch/powerpc/kernel/dma-swiotlb.c linux-2.6.39.3/arch/powerpc/kernel/dma-swiotlb.c ---- linux-2.6.39.3/arch/powerpc/kernel/dma-swiotlb.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/powerpc/kernel/dma-swiotlb.c 2011-05-22 19:36:30.000000000 -0400 -@@ -31,7 +31,7 @@ unsigned int ppc_swiotlb_enable; - * map_page, and unmap_page on highmem, use normal dma_ops - * for everything else. - */ --struct dma_map_ops swiotlb_dma_ops = { -+const struct dma_map_ops swiotlb_dma_ops = { - .alloc_coherent = dma_direct_alloc_coherent, - .free_coherent = dma_direct_free_coherent, - .map_sg = swiotlb_map_sg_attrs, -diff -urNp linux-2.6.39.3/arch/powerpc/kernel/exceptions-64e.S linux-2.6.39.3/arch/powerpc/kernel/exceptions-64e.S ---- linux-2.6.39.3/arch/powerpc/kernel/exceptions-64e.S 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/powerpc/kernel/exceptions-64e.S 2011-05-22 19:36:30.000000000 -0400 -@@ -495,6 +495,7 @@ storage_fault_common: - std r14,_DAR(r1) - std r15,_DSISR(r1) - addi r3,r1,STACK_FRAME_OVERHEAD -+ bl .save_nvgprs - mr r4,r14 - mr r5,r15 - ld r14,PACA_EXGEN+EX_R14(r13) -@@ -504,8 +505,7 @@ storage_fault_common: - cmpdi r3,0 - bne- 1f - b .ret_from_except_lite --1: bl .save_nvgprs -- mr r5,r3 -+1: mr r5,r3 - addi r3,r1,STACK_FRAME_OVERHEAD - ld r4,_DAR(r1) - bl .bad_page_fault -diff -urNp linux-2.6.39.3/arch/powerpc/kernel/exceptions-64s.S linux-2.6.39.3/arch/powerpc/kernel/exceptions-64s.S ---- linux-2.6.39.3/arch/powerpc/kernel/exceptions-64s.S 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/powerpc/kernel/exceptions-64s.S 2011-05-22 19:36:30.000000000 -0400 -@@ -848,10 +848,10 @@ handle_page_fault: - 11: ld r4,_DAR(r1) - ld r5,_DSISR(r1) - addi r3,r1,STACK_FRAME_OVERHEAD -+ bl .save_nvgprs - bl .do_page_fault - cmpdi r3,0 - beq+ 13f -- bl .save_nvgprs - mr r5,r3 - addi r3,r1,STACK_FRAME_OVERHEAD - lwz r4,_DAR(r1) -diff -urNp linux-2.6.39.3/arch/powerpc/kernel/ibmebus.c linux-2.6.39.3/arch/powerpc/kernel/ibmebus.c ---- linux-2.6.39.3/arch/powerpc/kernel/ibmebus.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/powerpc/kernel/ibmebus.c 2011-05-22 19:36:30.000000000 -0400 -@@ -128,7 +128,7 @@ static int ibmebus_dma_supported(struct - return 1; - } - --static struct dma_map_ops ibmebus_dma_ops = { -+static const struct dma_map_ops ibmebus_dma_ops = { - .alloc_coherent = ibmebus_alloc_coherent, - .free_coherent = ibmebus_free_coherent, - .map_sg = ibmebus_map_sg, -diff -urNp linux-2.6.39.3/arch/powerpc/kernel/kgdb.c linux-2.6.39.3/arch/powerpc/kernel/kgdb.c ---- linux-2.6.39.3/arch/powerpc/kernel/kgdb.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/powerpc/kernel/kgdb.c 2011-05-22 19:36:30.000000000 -0400 -@@ -422,7 +422,7 @@ int kgdb_arch_handle_exception(int vecto - /* - * Global data - */ --struct kgdb_arch arch_kgdb_ops = { -+const struct kgdb_arch arch_kgdb_ops = { - .gdb_bpt_instr = {0x7d, 0x82, 0x10, 0x08}, - }; - -diff -urNp linux-2.6.39.3/arch/powerpc/kernel/module_32.c linux-2.6.39.3/arch/powerpc/kernel/module_32.c ---- linux-2.6.39.3/arch/powerpc/kernel/module_32.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/powerpc/kernel/module_32.c 2011-05-22 19:36:30.000000000 -0400 -@@ -162,7 +162,7 @@ int module_frob_arch_sections(Elf32_Ehdr - me->arch.core_plt_section = i; - } - if (!me->arch.core_plt_section || !me->arch.init_plt_section) { -- printk("Module doesn't contain .plt or .init.plt sections.\n"); -+ printk("Module %s doesn't contain .plt or .init.plt sections.\n", me->name); - return -ENOEXEC; - } - -@@ -203,11 +203,16 @@ static uint32_t do_plt_call(void *locati - - DEBUGP("Doing plt for call to 0x%x at 0x%x\n", val, (unsigned int)location); - /* Init, or core PLT? */ -- if (location >= mod->module_core -- && location < mod->module_core + mod->core_size) -+ if ((location >= mod->module_core_rx && location < mod->module_core_rx + mod->core_size_rx) || -+ (location >= mod->module_core_rw && location < mod->module_core_rw + mod->core_size_rw)) - entry = (void *)sechdrs[mod->arch.core_plt_section].sh_addr; -- else -+ else if ((location >= mod->module_init_rx && location < mod->module_init_rx + mod->init_size_rx) || -+ (location >= mod->module_init_rw && location < mod->module_init_rw + mod->init_size_rw)) - entry = (void *)sechdrs[mod->arch.init_plt_section].sh_addr; -+ else { -+ printk(KERN_ERR "%s: invalid R_PPC_REL24 entry found\n", mod->name); -+ return ~0UL; -+ } - - /* Find this entry, or if that fails, the next avail. entry */ - while (entry->jump[0]) { -diff -urNp linux-2.6.39.3/arch/powerpc/kernel/module.c linux-2.6.39.3/arch/powerpc/kernel/module.c ---- linux-2.6.39.3/arch/powerpc/kernel/module.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/powerpc/kernel/module.c 2011-05-22 19:36:30.000000000 -0400 -@@ -31,11 +31,24 @@ - - LIST_HEAD(module_bug_list); - -+#ifdef CONFIG_PAX_KERNEXEC - void *module_alloc(unsigned long size) - { - if (size == 0) - return NULL; - -+ return vmalloc(size); -+} -+ -+void *module_alloc_exec(unsigned long size) -+#else -+void *module_alloc(unsigned long size) -+#endif -+ -+{ -+ if (size == 0) -+ return NULL; -+ - return vmalloc_exec(size); - } - -@@ -45,6 +58,13 @@ void module_free(struct module *mod, voi - vfree(module_region); - } - -+#ifdef CONFIG_PAX_KERNEXEC -+void module_free_exec(struct module *mod, void *module_region) -+{ -+ module_free(mod, module_region); -+} -+#endif -+ - static const Elf_Shdr *find_section(const Elf_Ehdr *hdr, - const Elf_Shdr *sechdrs, - const char *name) -diff -urNp linux-2.6.39.3/arch/powerpc/kernel/pci-common.c linux-2.6.39.3/arch/powerpc/kernel/pci-common.c ---- linux-2.6.39.3/arch/powerpc/kernel/pci-common.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/powerpc/kernel/pci-common.c 2011-05-22 19:36:30.000000000 -0400 -@@ -53,14 +53,14 @@ resource_size_t isa_mem_base; - unsigned int ppc_pci_flags = 0; - - --static struct dma_map_ops *pci_dma_ops = &dma_direct_ops; -+static const struct dma_map_ops *pci_dma_ops = &dma_direct_ops; - --void set_pci_dma_ops(struct dma_map_ops *dma_ops) -+void set_pci_dma_ops(const struct dma_map_ops *dma_ops) - { - pci_dma_ops = dma_ops; - } - --struct dma_map_ops *get_pci_dma_ops(void) -+const struct dma_map_ops *get_pci_dma_ops(void) - { - return pci_dma_ops; - } -@@ -1639,7 +1639,7 @@ null_write_config(struct pci_bus *bus, u - return PCIBIOS_DEVICE_NOT_FOUND; - } - --static struct pci_ops null_pci_ops = -+static const struct pci_ops null_pci_ops = - { - .read = null_read_config, - .write = null_write_config, -diff -urNp linux-2.6.39.3/arch/powerpc/kernel/process.c linux-2.6.39.3/arch/powerpc/kernel/process.c ---- linux-2.6.39.3/arch/powerpc/kernel/process.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/powerpc/kernel/process.c 2011-05-22 19:41:32.000000000 -0400 -@@ -655,8 +655,8 @@ void show_regs(struct pt_regs * regs) - * Lookup NIP late so we have the best change of getting the - * above info out without failing - */ -- printk("NIP ["REG"] %pS\n", regs->nip, (void *)regs->nip); -- printk("LR ["REG"] %pS\n", regs->link, (void *)regs->link); -+ printk("NIP ["REG"] %pA\n", regs->nip, (void *)regs->nip); -+ printk("LR ["REG"] %pA\n", regs->link, (void *)regs->link); - #endif - show_stack(current, (unsigned long *) regs->gpr[1]); - if (!user_mode(regs)) -@@ -1146,10 +1146,10 @@ void show_stack(struct task_struct *tsk, - newsp = stack[0]; - ip = stack[STACK_FRAME_LR_SAVE]; - if (!firstframe || ip != lr) { -- printk("["REG"] ["REG"] %pS", sp, ip, (void *)ip); -+ printk("["REG"] ["REG"] %pA", sp, ip, (void *)ip); - #ifdef CONFIG_FUNCTION_GRAPH_TRACER - if ((ip == rth || ip == mrth) && curr_frame >= 0) { -- printk(" (%pS)", -+ printk(" (%pA)", - (void *)current->ret_stack[curr_frame].ret); - curr_frame--; - } -@@ -1169,7 +1169,7 @@ void show_stack(struct task_struct *tsk, - struct pt_regs *regs = (struct pt_regs *) - (sp + STACK_FRAME_OVERHEAD); - lr = regs->link; -- printk("--- Exception: %lx at %pS\n LR = %pS\n", -+ printk("--- Exception: %lx at %pA\n LR = %pA\n", - regs->trap, (void *)regs->nip, (void *)lr); - firstframe = 1; - } -@@ -1244,58 +1244,3 @@ void thread_info_cache_init(void) - } - - #endif /* THREAD_SHIFT < PAGE_SHIFT */ -- --unsigned long arch_align_stack(unsigned long sp) --{ -- if (!(current->personality & ADDR_NO_RANDOMIZE) && randomize_va_space) -- sp -= get_random_int() & ~PAGE_MASK; -- return sp & ~0xf; --} -- --static inline unsigned long brk_rnd(void) --{ -- unsigned long rnd = 0; -- -- /* 8MB for 32bit, 1GB for 64bit */ -- if (is_32bit_task()) -- rnd = (long)(get_random_int() % (1<<(23-PAGE_SHIFT))); -- else -- rnd = (long)(get_random_int() % (1<<(30-PAGE_SHIFT))); -- -- return rnd << PAGE_SHIFT; --} -- --unsigned long arch_randomize_brk(struct mm_struct *mm) --{ -- unsigned long base = mm->brk; -- unsigned long ret; -- --#ifdef CONFIG_PPC_STD_MMU_64 -- /* -- * If we are using 1TB segments and we are allowed to randomise -- * the heap, we can put it above 1TB so it is backed by a 1TB -- * segment. Otherwise the heap will be in the bottom 1TB -- * which always uses 256MB segments and this may result in a -- * performance penalty. -- */ -- if (!is_32bit_task() && (mmu_highuser_ssize == MMU_SEGSIZE_1T)) -- base = max_t(unsigned long, mm->brk, 1UL << SID_SHIFT_1T); --#endif -- -- ret = PAGE_ALIGN(base + brk_rnd()); -- -- if (ret < mm->brk) -- return mm->brk; -- -- return ret; --} -- --unsigned long randomize_et_dyn(unsigned long base) --{ -- unsigned long ret = PAGE_ALIGN(base + brk_rnd()); -- -- if (ret < base) -- return base; -- -- return ret; --} -diff -urNp linux-2.6.39.3/arch/powerpc/kernel/rtas_pci.c linux-2.6.39.3/arch/powerpc/kernel/rtas_pci.c ---- linux-2.6.39.3/arch/powerpc/kernel/rtas_pci.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/powerpc/kernel/rtas_pci.c 2011-05-22 19:36:30.000000000 -0400 -@@ -149,7 +149,7 @@ static int rtas_pci_write_config(struct - return PCIBIOS_DEVICE_NOT_FOUND; - } - --static struct pci_ops rtas_pci_ops = { -+static const struct pci_ops rtas_pci_ops = { - .read = rtas_pci_read_config, - .write = rtas_pci_write_config, - }; -diff -urNp linux-2.6.39.3/arch/powerpc/kernel/signal_32.c linux-2.6.39.3/arch/powerpc/kernel/signal_32.c ---- linux-2.6.39.3/arch/powerpc/kernel/signal_32.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/powerpc/kernel/signal_32.c 2011-05-22 19:36:30.000000000 -0400 -@@ -858,7 +858,7 @@ int handle_rt_signal32(unsigned long sig - /* Save user registers on the stack */ - frame = &rt_sf->uc.uc_mcontext; - addr = frame; -- if (vdso32_rt_sigtramp && current->mm->context.vdso_base) { -+ if (vdso32_rt_sigtramp && current->mm->context.vdso_base != ~0UL) { - if (save_user_regs(regs, frame, 0, 1)) - goto badframe; - regs->link = current->mm->context.vdso_base + vdso32_rt_sigtramp; -diff -urNp linux-2.6.39.3/arch/powerpc/kernel/signal_64.c linux-2.6.39.3/arch/powerpc/kernel/signal_64.c ---- linux-2.6.39.3/arch/powerpc/kernel/signal_64.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/powerpc/kernel/signal_64.c 2011-05-22 19:36:30.000000000 -0400 -@@ -429,7 +429,7 @@ int handle_rt_signal64(int signr, struct - current->thread.fpscr.val = 0; - - /* Set up to return from userspace. */ -- if (vdso64_rt_sigtramp && current->mm->context.vdso_base) { -+ if (vdso64_rt_sigtramp && current->mm->context.vdso_base != ~0UL) { - regs->link = current->mm->context.vdso_base + vdso64_rt_sigtramp; - } else { - err |= setup_trampoline(__NR_rt_sigreturn, &frame->tramp[0]); -diff -urNp linux-2.6.39.3/arch/powerpc/kernel/traps.c linux-2.6.39.3/arch/powerpc/kernel/traps.c ---- linux-2.6.39.3/arch/powerpc/kernel/traps.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/powerpc/kernel/traps.c 2011-06-13 21:33:04.000000000 -0400 -@@ -96,6 +96,8 @@ static void pmac_backlight_unblank(void) - static inline void pmac_backlight_unblank(void) { } - #endif - -+extern void gr_handle_kernel_exploit(void); -+ - int die(const char *str, struct pt_regs *regs, long err) - { - static struct { -@@ -170,6 +172,8 @@ int die(const char *str, struct pt_regs - if (panic_on_oops) - panic("Fatal exception"); - -+ gr_handle_kernel_exploit(); -+ - oops_exit(); - do_exit(err); - -diff -urNp linux-2.6.39.3/arch/powerpc/kernel/vdso.c linux-2.6.39.3/arch/powerpc/kernel/vdso.c ---- linux-2.6.39.3/arch/powerpc/kernel/vdso.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/powerpc/kernel/vdso.c 2011-05-22 19:36:30.000000000 -0400 -@@ -36,6 +36,7 @@ - #include <asm/firmware.h> - #include <asm/vdso.h> - #include <asm/vdso_datapage.h> -+#include <asm/mman.h> - - #include "setup.h" - -@@ -220,7 +221,7 @@ int arch_setup_additional_pages(struct l - vdso_base = VDSO32_MBASE; - #endif - -- current->mm->context.vdso_base = 0; -+ current->mm->context.vdso_base = ~0UL; - - /* vDSO has a problem and was disabled, just don't "enable" it for the - * process -@@ -240,7 +241,7 @@ int arch_setup_additional_pages(struct l - vdso_base = get_unmapped_area(NULL, vdso_base, - (vdso_pages << PAGE_SHIFT) + - ((VDSO_ALIGNMENT - 1) & PAGE_MASK), -- 0, 0); -+ 0, MAP_PRIVATE | MAP_EXECUTABLE); - if (IS_ERR_VALUE(vdso_base)) { - rc = vdso_base; - goto fail_mmapsem; -diff -urNp linux-2.6.39.3/arch/powerpc/kernel/vio.c linux-2.6.39.3/arch/powerpc/kernel/vio.c ---- linux-2.6.39.3/arch/powerpc/kernel/vio.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/powerpc/kernel/vio.c 2011-05-22 19:36:30.000000000 -0400 -@@ -605,11 +605,12 @@ static int vio_dma_iommu_dma_supported(s - return dma_iommu_ops.dma_supported(dev, mask); - } - --struct dma_map_ops vio_dma_mapping_ops = { -+const struct dma_map_ops vio_dma_mapping_ops = { - .alloc_coherent = vio_dma_iommu_alloc_coherent, - .free_coherent = vio_dma_iommu_free_coherent, - .map_sg = vio_dma_iommu_map_sg, - .unmap_sg = vio_dma_iommu_unmap_sg, -+ .dma_supported = dma_iommu_dma_supported, - .map_page = vio_dma_iommu_map_page, - .unmap_page = vio_dma_iommu_unmap_page, - .dma_supported = vio_dma_iommu_dma_supported, -diff -urNp linux-2.6.39.3/arch/powerpc/lib/usercopy_64.c linux-2.6.39.3/arch/powerpc/lib/usercopy_64.c ---- linux-2.6.39.3/arch/powerpc/lib/usercopy_64.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/powerpc/lib/usercopy_64.c 2011-05-22 19:36:30.000000000 -0400 -@@ -9,22 +9,6 @@ - #include <linux/module.h> - #include <asm/uaccess.h> - --unsigned long copy_from_user(void *to, const void __user *from, unsigned long n) --{ -- if (likely(access_ok(VERIFY_READ, from, n))) -- n = __copy_from_user(to, from, n); -- else -- memset(to, 0, n); -- return n; --} -- --unsigned long copy_to_user(void __user *to, const void *from, unsigned long n) --{ -- if (likely(access_ok(VERIFY_WRITE, to, n))) -- n = __copy_to_user(to, from, n); -- return n; --} -- - unsigned long copy_in_user(void __user *to, const void __user *from, - unsigned long n) - { -@@ -35,7 +19,5 @@ unsigned long copy_in_user(void __user * - return n; - } - --EXPORT_SYMBOL(copy_from_user); --EXPORT_SYMBOL(copy_to_user); - EXPORT_SYMBOL(copy_in_user); - -diff -urNp linux-2.6.39.3/arch/powerpc/mm/fault.c linux-2.6.39.3/arch/powerpc/mm/fault.c ---- linux-2.6.39.3/arch/powerpc/mm/fault.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/powerpc/mm/fault.c 2011-05-22 19:36:30.000000000 -0400 -@@ -31,6 +31,10 @@ - #include <linux/kdebug.h> - #include <linux/perf_event.h> - #include <linux/magic.h> -+#include <linux/slab.h> -+#include <linux/pagemap.h> -+#include <linux/compiler.h> -+#include <linux/unistd.h> - - #include <asm/firmware.h> - #include <asm/page.h> -@@ -42,6 +46,7 @@ - #include <asm/tlbflush.h> - #include <asm/siginfo.h> - #include <mm/mmu_decl.h> -+#include <asm/ptrace.h> - - #ifdef CONFIG_KPROBES - static inline int notify_page_fault(struct pt_regs *regs) -@@ -65,6 +70,33 @@ static inline int notify_page_fault(stru - } - #endif - -+#ifdef CONFIG_PAX_PAGEEXEC -+/* -+ * PaX: decide what to do with offenders (regs->nip = fault address) -+ * -+ * returns 1 when task should be killed -+ */ -+static int pax_handle_fetch_fault(struct pt_regs *regs) -+{ -+ return 1; -+} -+ -+void pax_report_insns(void *pc, void *sp) -+{ -+ unsigned long i; -+ -+ printk(KERN_ERR "PAX: bytes at PC: "); -+ for (i = 0; i < 5; i++) { -+ unsigned int c; -+ if (get_user(c, (unsigned int __user *)pc+i)) -+ printk(KERN_CONT "???????? "); -+ else -+ printk(KERN_CONT "%08x ", c); -+ } -+ printk("\n"); -+} -+#endif -+ - /* - * Check whether the instruction at regs->nip is a store using - * an update addressing form which will update r1. -@@ -135,7 +167,7 @@ int __kprobes do_page_fault(struct pt_re - * indicate errors in DSISR but can validly be set in SRR1. - */ - if (trap == 0x400) -- error_code &= 0x48200000; -+ error_code &= 0x58200000; - else - is_write = error_code & DSISR_ISSTORE; - #else -@@ -258,7 +290,7 @@ good_area: - * "undefined". Of those that can be set, this is the only - * one which seems bad. - */ -- if (error_code & 0x10000000) -+ if (error_code & DSISR_GUARDED) - /* Guarded storage error. */ - goto bad_area; - #endif /* CONFIG_8xx */ -@@ -273,7 +305,7 @@ good_area: - * processors use the same I/D cache coherency mechanism - * as embedded. - */ -- if (error_code & DSISR_PROTFAULT) -+ if (error_code & (DSISR_PROTFAULT | DSISR_GUARDED)) - goto bad_area; - #endif /* CONFIG_PPC_STD_MMU */ - -@@ -342,6 +374,23 @@ bad_area: - bad_area_nosemaphore: - /* User mode accesses cause a SIGSEGV */ - if (user_mode(regs)) { -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+ if (mm->pax_flags & MF_PAX_PAGEEXEC) { -+#ifdef CONFIG_PPC_STD_MMU -+ if (is_exec && (error_code & (DSISR_PROTFAULT | DSISR_GUARDED))) { -+#else -+ if (is_exec && regs->nip == address) { -+#endif -+ switch (pax_handle_fetch_fault(regs)) { -+ } -+ -+ pax_report_fault(regs, (void *)regs->nip, (void *)regs->gpr[PT_R1]); -+ do_group_exit(SIGKILL); -+ } -+ } -+#endif -+ - _exception(SIGSEGV, regs, code, address); - return 0; - } -diff -urNp linux-2.6.39.3/arch/powerpc/mm/mmap_64.c linux-2.6.39.3/arch/powerpc/mm/mmap_64.c ---- linux-2.6.39.3/arch/powerpc/mm/mmap_64.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/powerpc/mm/mmap_64.c 2011-05-22 19:36:30.000000000 -0400 -@@ -99,10 +99,22 @@ void arch_pick_mmap_layout(struct mm_str - */ - if (mmap_is_legacy()) { - mm->mmap_base = TASK_UNMAPPED_BASE; -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) -+ mm->mmap_base += mm->delta_mmap; -+#endif -+ - mm->get_unmapped_area = arch_get_unmapped_area; - mm->unmap_area = arch_unmap_area; - } else { - mm->mmap_base = mmap_base(); -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) -+ mm->mmap_base -= mm->delta_mmap + mm->delta_stack; -+#endif -+ - mm->get_unmapped_area = arch_get_unmapped_area_topdown; - mm->unmap_area = arch_unmap_area_topdown; - } -diff -urNp linux-2.6.39.3/arch/powerpc/mm/slice.c linux-2.6.39.3/arch/powerpc/mm/slice.c ---- linux-2.6.39.3/arch/powerpc/mm/slice.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/powerpc/mm/slice.c 2011-05-22 19:36:30.000000000 -0400 -@@ -98,7 +98,7 @@ static int slice_area_is_free(struct mm_ - if ((mm->task_size - len) < addr) - return 0; - vma = find_vma(mm, addr); -- return (!vma || (addr + len) <= vma->vm_start); -+ return check_heap_stack_gap(vma, addr, len); - } - - static int slice_low_has_vma(struct mm_struct *mm, unsigned long slice) -@@ -256,7 +256,7 @@ full_search: - addr = _ALIGN_UP(addr + 1, 1ul << SLICE_HIGH_SHIFT); - continue; - } -- if (!vma || addr + len <= vma->vm_start) { -+ if (check_heap_stack_gap(vma, addr, len)) { - /* - * Remember the place where we stopped the search: - */ -@@ -313,10 +313,14 @@ static unsigned long slice_find_area_top - } - } - -- addr = mm->mmap_base; -- while (addr > len) { -+ if (mm->mmap_base < len) -+ addr = -ENOMEM; -+ else -+ addr = mm->mmap_base - len; -+ -+ while (!IS_ERR_VALUE(addr)) { - /* Go down by chunk size */ -- addr = _ALIGN_DOWN(addr - len, 1ul << pshift); -+ addr = _ALIGN_DOWN(addr, 1ul << pshift); - - /* Check for hit with different page size */ - mask = slice_range_to_mask(addr, len); -@@ -336,7 +340,7 @@ static unsigned long slice_find_area_top - * return with success: - */ - vma = find_vma(mm, addr); -- if (!vma || (addr + len) <= vma->vm_start) { -+ if (check_heap_stack_gap(vma, addr, len)) { - /* remember the address as a hint for next time */ - if (use_cache) - mm->free_area_cache = addr; -@@ -348,7 +352,7 @@ static unsigned long slice_find_area_top - mm->cached_hole_size = vma->vm_start - addr; - - /* try just below the current vma->vm_start */ -- addr = vma->vm_start; -+ addr = skip_heap_stack_gap(vma, len); - } - - /* -@@ -426,6 +430,11 @@ unsigned long slice_get_unmapped_area(un - if (fixed && addr > (mm->task_size - len)) - return -EINVAL; - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!fixed && (mm->pax_flags & MF_PAX_RANDMMAP)) -+ addr = 0; -+#endif -+ - /* If hint, make sure it matches our alignment restrictions */ - if (!fixed && addr) { - addr = _ALIGN_UP(addr, 1ul << pshift); -diff -urNp linux-2.6.39.3/arch/powerpc/platforms/52xx/efika.c linux-2.6.39.3/arch/powerpc/platforms/52xx/efika.c ---- linux-2.6.39.3/arch/powerpc/platforms/52xx/efika.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/powerpc/platforms/52xx/efika.c 2011-05-22 19:36:30.000000000 -0400 -@@ -60,7 +60,7 @@ static int rtas_write_config(struct pci_ - return rval ? PCIBIOS_DEVICE_NOT_FOUND : PCIBIOS_SUCCESSFUL; - } - --static struct pci_ops rtas_pci_ops = { -+static const struct pci_ops rtas_pci_ops = { - .read = rtas_read_config, - .write = rtas_write_config, - }; -diff -urNp linux-2.6.39.3/arch/powerpc/platforms/cell/celleb_pci.c linux-2.6.39.3/arch/powerpc/platforms/cell/celleb_pci.c ---- linux-2.6.39.3/arch/powerpc/platforms/cell/celleb_pci.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/powerpc/platforms/cell/celleb_pci.c 2011-05-22 19:36:30.000000000 -0400 -@@ -234,7 +234,7 @@ static int celleb_fake_pci_write_config( - return PCIBIOS_SUCCESSFUL; - } - --static struct pci_ops celleb_fake_pci_ops = { -+static const struct pci_ops celleb_fake_pci_ops = { - .read = celleb_fake_pci_read_config, - .write = celleb_fake_pci_write_config, - }; -diff -urNp linux-2.6.39.3/arch/powerpc/platforms/cell/celleb_scc_epci.c linux-2.6.39.3/arch/powerpc/platforms/cell/celleb_scc_epci.c ---- linux-2.6.39.3/arch/powerpc/platforms/cell/celleb_scc_epci.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/powerpc/platforms/cell/celleb_scc_epci.c 2011-05-22 19:36:30.000000000 -0400 -@@ -245,7 +245,7 @@ static int celleb_epci_write_config(stru - return celleb_epci_check_abort(hose, addr); - } - --struct pci_ops celleb_epci_ops = { -+const struct pci_ops celleb_epci_ops = { - .read = celleb_epci_read_config, - .write = celleb_epci_write_config, - }; -diff -urNp linux-2.6.39.3/arch/powerpc/platforms/cell/celleb_scc_pciex.c linux-2.6.39.3/arch/powerpc/platforms/cell/celleb_scc_pciex.c ---- linux-2.6.39.3/arch/powerpc/platforms/cell/celleb_scc_pciex.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/powerpc/platforms/cell/celleb_scc_pciex.c 2011-05-22 19:36:30.000000000 -0400 -@@ -399,7 +399,7 @@ static int scc_pciex_write_config(struct - return PCIBIOS_SUCCESSFUL; - } - --static struct pci_ops scc_pciex_pci_ops = { -+static const struct pci_ops scc_pciex_pci_ops = { - scc_pciex_read_config, - scc_pciex_write_config, - }; -diff -urNp linux-2.6.39.3/arch/powerpc/platforms/cell/iommu.c linux-2.6.39.3/arch/powerpc/platforms/cell/iommu.c ---- linux-2.6.39.3/arch/powerpc/platforms/cell/iommu.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/powerpc/platforms/cell/iommu.c 2011-05-22 19:36:30.000000000 -0400 -@@ -642,7 +642,7 @@ static int dma_fixed_dma_supported(struc - - static int dma_set_mask_and_switch(struct device *dev, u64 dma_mask); - --struct dma_map_ops dma_iommu_fixed_ops = { -+const struct dma_map_ops dma_iommu_fixed_ops = { - .alloc_coherent = dma_fixed_alloc_coherent, - .free_coherent = dma_fixed_free_coherent, - .map_sg = dma_fixed_map_sg, -diff -urNp linux-2.6.39.3/arch/powerpc/platforms/chrp/pci.c linux-2.6.39.3/arch/powerpc/platforms/chrp/pci.c ---- linux-2.6.39.3/arch/powerpc/platforms/chrp/pci.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/powerpc/platforms/chrp/pci.c 2011-05-22 19:36:30.000000000 -0400 -@@ -84,7 +84,7 @@ int gg2_write_config(struct pci_bus *bus - return PCIBIOS_SUCCESSFUL; - } - --static struct pci_ops gg2_pci_ops = -+static const struct pci_ops gg2_pci_ops = - { - .read = gg2_read_config, - .write = gg2_write_config, -@@ -122,7 +122,7 @@ int rtas_write_config(struct pci_bus *bu - return rval? PCIBIOS_DEVICE_NOT_FOUND: PCIBIOS_SUCCESSFUL; - } - --static struct pci_ops rtas_pci_ops = -+static const struct pci_ops rtas_pci_ops = - { - .read = rtas_read_config, - .write = rtas_write_config, -diff -urNp linux-2.6.39.3/arch/powerpc/platforms/iseries/pci.c linux-2.6.39.3/arch/powerpc/platforms/iseries/pci.c ---- linux-2.6.39.3/arch/powerpc/platforms/iseries/pci.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/powerpc/platforms/iseries/pci.c 2011-05-22 19:36:30.000000000 -0400 -@@ -533,7 +533,7 @@ static int iSeries_pci_write_config(stru - return 0; - } - --static struct pci_ops iSeries_pci_ops = { -+static const struct pci_ops iSeries_pci_ops = { - .read = iSeries_pci_read_config, - .write = iSeries_pci_write_config - }; -diff -urNp linux-2.6.39.3/arch/powerpc/platforms/maple/pci.c linux-2.6.39.3/arch/powerpc/platforms/maple/pci.c ---- linux-2.6.39.3/arch/powerpc/platforms/maple/pci.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/powerpc/platforms/maple/pci.c 2011-05-22 19:36:30.000000000 -0400 -@@ -180,7 +180,7 @@ static int u3_agp_write_config(struct pc - return PCIBIOS_SUCCESSFUL; - } - --static struct pci_ops u3_agp_pci_ops = -+static const struct pci_ops u3_agp_pci_ops = - { - .read = u3_agp_read_config, - .write = u3_agp_write_config, -@@ -276,7 +276,7 @@ static int u3_ht_write_config(struct pci - return PCIBIOS_SUCCESSFUL; - } - --static struct pci_ops u3_ht_pci_ops = -+static const struct pci_ops u3_ht_pci_ops = - { - .read = u3_ht_read_config, - .write = u3_ht_write_config, -@@ -381,7 +381,7 @@ static int u4_pcie_write_config(struct p - return PCIBIOS_SUCCESSFUL; - } - --static struct pci_ops u4_pcie_pci_ops = -+static const struct pci_ops u4_pcie_pci_ops = - { - .read = u4_pcie_read_config, - .write = u4_pcie_write_config, -diff -urNp linux-2.6.39.3/arch/powerpc/platforms/pasemi/pci.c linux-2.6.39.3/arch/powerpc/platforms/pasemi/pci.c ---- linux-2.6.39.3/arch/powerpc/platforms/pasemi/pci.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/powerpc/platforms/pasemi/pci.c 2011-05-22 19:36:30.000000000 -0400 -@@ -176,7 +176,7 @@ static int pa_pxp_write_config(struct pc - return PCIBIOS_SUCCESSFUL; - } - --static struct pci_ops pa_pxp_ops = { -+static const struct pci_ops pa_pxp_ops = { - .read = pa_pxp_read_config, - .write = pa_pxp_write_config, - }; -diff -urNp linux-2.6.39.3/arch/powerpc/platforms/powermac/pci.c linux-2.6.39.3/arch/powerpc/platforms/powermac/pci.c ---- linux-2.6.39.3/arch/powerpc/platforms/powermac/pci.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/powerpc/platforms/powermac/pci.c 2011-05-22 19:36:30.000000000 -0400 -@@ -218,7 +218,7 @@ static int macrisc_write_config(struct p - return PCIBIOS_SUCCESSFUL; - } - --static struct pci_ops macrisc_pci_ops = -+static const struct pci_ops macrisc_pci_ops = - { - .read = macrisc_read_config, - .write = macrisc_write_config, -@@ -273,7 +273,7 @@ chaos_write_config(struct pci_bus *bus, - return macrisc_write_config(bus, devfn, offset, len, val); - } - --static struct pci_ops chaos_pci_ops = -+static const struct pci_ops chaos_pci_ops = - { - .read = chaos_read_config, - .write = chaos_write_config, -diff -urNp linux-2.6.39.3/arch/powerpc/platforms/ps3/system-bus.c linux-2.6.39.3/arch/powerpc/platforms/ps3/system-bus.c ---- linux-2.6.39.3/arch/powerpc/platforms/ps3/system-bus.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/powerpc/platforms/ps3/system-bus.c 2011-05-22 19:36:30.000000000 -0400 -@@ -695,7 +695,7 @@ static int ps3_dma_supported(struct devi - return mask >= DMA_BIT_MASK(32); - } - --static struct dma_map_ops ps3_sb_dma_ops = { -+static const struct dma_map_ops ps3_sb_dma_ops = { - .alloc_coherent = ps3_alloc_coherent, - .free_coherent = ps3_free_coherent, - .map_sg = ps3_sb_map_sg, -@@ -705,7 +705,7 @@ static struct dma_map_ops ps3_sb_dma_ops - .unmap_page = ps3_unmap_page, - }; - --static struct dma_map_ops ps3_ioc0_dma_ops = { -+static const struct dma_map_ops ps3_ioc0_dma_ops = { - .alloc_coherent = ps3_alloc_coherent, - .free_coherent = ps3_free_coherent, - .map_sg = ps3_ioc0_map_sg, -diff -urNp linux-2.6.39.3/arch/powerpc/sysdev/fsl_pci.c linux-2.6.39.3/arch/powerpc/sysdev/fsl_pci.c ---- linux-2.6.39.3/arch/powerpc/sysdev/fsl_pci.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/powerpc/sysdev/fsl_pci.c 2011-05-22 19:36:30.000000000 -0400 -@@ -573,7 +573,7 @@ static int mpc83xx_pcie_write_config(str - return PCIBIOS_SUCCESSFUL; - } - --static struct pci_ops mpc83xx_pcie_ops = { -+static const struct pci_ops mpc83xx_pcie_ops = { - .read = mpc83xx_pcie_read_config, - .write = mpc83xx_pcie_write_config, - }; -diff -urNp linux-2.6.39.3/arch/powerpc/sysdev/indirect_pci.c linux-2.6.39.3/arch/powerpc/sysdev/indirect_pci.c ---- linux-2.6.39.3/arch/powerpc/sysdev/indirect_pci.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/powerpc/sysdev/indirect_pci.c 2011-05-22 19:36:30.000000000 -0400 -@@ -148,7 +148,7 @@ indirect_write_config(struct pci_bus *bu - return PCIBIOS_SUCCESSFUL; - } - --static struct pci_ops indirect_pci_ops = -+static const struct pci_ops indirect_pci_ops = - { - .read = indirect_read_config, - .write = indirect_write_config, -diff -urNp linux-2.6.39.3/arch/powerpc/sysdev/ppc4xx_pci.c linux-2.6.39.3/arch/powerpc/sysdev/ppc4xx_pci.c ---- linux-2.6.39.3/arch/powerpc/sysdev/ppc4xx_pci.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/powerpc/sysdev/ppc4xx_pci.c 2011-05-22 19:36:30.000000000 -0400 -@@ -1514,7 +1514,7 @@ static int ppc4xx_pciex_write_config(str - return PCIBIOS_SUCCESSFUL; - } - --static struct pci_ops ppc4xx_pciex_pci_ops = -+static const struct pci_ops ppc4xx_pciex_pci_ops = - { - .read = ppc4xx_pciex_read_config, - .write = ppc4xx_pciex_write_config, -diff -urNp linux-2.6.39.3/arch/powerpc/sysdev/tsi108_pci.c linux-2.6.39.3/arch/powerpc/sysdev/tsi108_pci.c ---- linux-2.6.39.3/arch/powerpc/sysdev/tsi108_pci.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/powerpc/sysdev/tsi108_pci.c 2011-05-22 19:36:30.000000000 -0400 -@@ -190,7 +190,7 @@ void tsi108_clear_pci_cfg_error(void) - tsi108_clear_pci_error(tsi108_pci_cfg_phys); - } - --static struct pci_ops tsi108_direct_pci_ops = { -+static const struct pci_ops tsi108_direct_pci_ops = { - .read = tsi108_direct_read_config, - .write = tsi108_direct_write_config, - }; -diff -urNp linux-2.6.39.3/arch/s390/include/asm/elf.h linux-2.6.39.3/arch/s390/include/asm/elf.h ---- linux-2.6.39.3/arch/s390/include/asm/elf.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/s390/include/asm/elf.h 2011-05-22 19:36:30.000000000 -0400 -@@ -162,8 +162,14 @@ extern unsigned int vdso_enabled; - the loader. We need to make sure that it is out of the way of the program - that it will "exec", and that there is sufficient room for the brk. */ - --extern unsigned long randomize_et_dyn(unsigned long base); --#define ELF_ET_DYN_BASE (randomize_et_dyn(STACK_TOP / 3 * 2)) -+#define ELF_ET_DYN_BASE (STACK_TOP / 3 * 2) -+ -+#ifdef CONFIG_PAX_ASLR -+#define PAX_ELF_ET_DYN_BASE (test_thread_flag(TIF_31BIT) ? 0x10000UL : 0x80000000UL) -+ -+#define PAX_DELTA_MMAP_LEN (test_thread_flag(TIF_31BIT) ? 15 : 26 ) -+#define PAX_DELTA_STACK_LEN (test_thread_flag(TIF_31BIT) ? 15 : 26 ) -+#endif - - /* This yields a mask that user programs can use to figure out what - instruction set this CPU supports. */ -@@ -222,7 +228,4 @@ struct linux_binprm; - #define ARCH_HAS_SETUP_ADDITIONAL_PAGES 1 - int arch_setup_additional_pages(struct linux_binprm *, int); - --extern unsigned long arch_randomize_brk(struct mm_struct *mm); --#define arch_randomize_brk arch_randomize_brk -- - #endif -diff -urNp linux-2.6.39.3/arch/s390/include/asm/system.h linux-2.6.39.3/arch/s390/include/asm/system.h ---- linux-2.6.39.3/arch/s390/include/asm/system.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/s390/include/asm/system.h 2011-05-22 19:36:30.000000000 -0400 -@@ -255,7 +255,7 @@ extern void (*_machine_restart)(char *co - extern void (*_machine_halt)(void); - extern void (*_machine_power_off)(void); - --extern unsigned long arch_align_stack(unsigned long sp); -+#define arch_align_stack(x) ((x) & ~0xfUL) - - static inline int tprot(unsigned long addr) - { -diff -urNp linux-2.6.39.3/arch/s390/include/asm/uaccess.h linux-2.6.39.3/arch/s390/include/asm/uaccess.h ---- linux-2.6.39.3/arch/s390/include/asm/uaccess.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/s390/include/asm/uaccess.h 2011-05-22 19:36:30.000000000 -0400 -@@ -234,6 +234,10 @@ static inline unsigned long __must_check - copy_to_user(void __user *to, const void *from, unsigned long n) - { - might_fault(); -+ -+ if ((long)n < 0) -+ return n; -+ - if (access_ok(VERIFY_WRITE, to, n)) - n = __copy_to_user(to, from, n); - return n; -@@ -259,6 +263,9 @@ copy_to_user(void __user *to, const void - static inline unsigned long __must_check - __copy_from_user(void *to, const void __user *from, unsigned long n) - { -+ if ((long)n < 0) -+ return n; -+ - if (__builtin_constant_p(n) && (n <= 256)) - return uaccess.copy_from_user_small(n, from, to); - else -@@ -293,6 +300,10 @@ copy_from_user(void *to, const void __us - unsigned int sz = __compiletime_object_size(to); - - might_fault(); -+ -+ if ((long)n < 0) -+ return n; -+ - if (unlikely(sz != -1 && sz < n)) { - copy_from_user_overflow(); - return n; -diff -urNp linux-2.6.39.3/arch/s390/Kconfig linux-2.6.39.3/arch/s390/Kconfig ---- linux-2.6.39.3/arch/s390/Kconfig 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/s390/Kconfig 2011-05-22 19:36:30.000000000 -0400 -@@ -234,11 +234,9 @@ config S390_EXEC_PROTECT - prompt "Data execute protection" - help - This option allows to enable a buffer overflow protection for user -- space programs and it also selects the addressing mode option above. -- The kernel parameter noexec=on will enable this feature and also -- switch the addressing modes, default is disabled. Enabling this (via -- kernel parameter) on machines earlier than IBM System z9 this will -- reduce system performance. -+ space programs. -+ Enabling this (via kernel parameter) on machines earlier than IBM -+ System z9 this will reduce system performance. - - comment "Code generation options" - -diff -urNp linux-2.6.39.3/arch/s390/kernel/module.c linux-2.6.39.3/arch/s390/kernel/module.c ---- linux-2.6.39.3/arch/s390/kernel/module.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/s390/kernel/module.c 2011-05-22 19:36:30.000000000 -0400 -@@ -168,11 +168,11 @@ module_frob_arch_sections(Elf_Ehdr *hdr, - - /* Increase core size by size of got & plt and set start - offsets for got and plt. */ -- me->core_size = ALIGN(me->core_size, 4); -- me->arch.got_offset = me->core_size; -- me->core_size += me->arch.got_size; -- me->arch.plt_offset = me->core_size; -- me->core_size += me->arch.plt_size; -+ me->core_size_rw = ALIGN(me->core_size_rw, 4); -+ me->arch.got_offset = me->core_size_rw; -+ me->core_size_rw += me->arch.got_size; -+ me->arch.plt_offset = me->core_size_rx; -+ me->core_size_rx += me->arch.plt_size; - return 0; - } - -@@ -258,7 +258,7 @@ apply_rela(Elf_Rela *rela, Elf_Addr base - if (info->got_initialized == 0) { - Elf_Addr *gotent; - -- gotent = me->module_core + me->arch.got_offset + -+ gotent = me->module_core_rw + me->arch.got_offset + - info->got_offset; - *gotent = val; - info->got_initialized = 1; -@@ -282,7 +282,7 @@ apply_rela(Elf_Rela *rela, Elf_Addr base - else if (r_type == R_390_GOTENT || - r_type == R_390_GOTPLTENT) - *(unsigned int *) loc = -- (val + (Elf_Addr) me->module_core - loc) >> 1; -+ (val + (Elf_Addr) me->module_core_rw - loc) >> 1; - else if (r_type == R_390_GOT64 || - r_type == R_390_GOTPLT64) - *(unsigned long *) loc = val; -@@ -296,7 +296,7 @@ apply_rela(Elf_Rela *rela, Elf_Addr base - case R_390_PLTOFF64: /* 16 bit offset from GOT to PLT. */ - if (info->plt_initialized == 0) { - unsigned int *ip; -- ip = me->module_core + me->arch.plt_offset + -+ ip = me->module_core_rx + me->arch.plt_offset + - info->plt_offset; - #ifndef CONFIG_64BIT - ip[0] = 0x0d105810; /* basr 1,0; l 1,6(1); br 1 */ -@@ -321,7 +321,7 @@ apply_rela(Elf_Rela *rela, Elf_Addr base - val - loc + 0xffffUL < 0x1ffffeUL) || - (r_type == R_390_PLT32DBL && - val - loc + 0xffffffffULL < 0x1fffffffeULL))) -- val = (Elf_Addr) me->module_core + -+ val = (Elf_Addr) me->module_core_rx + - me->arch.plt_offset + - info->plt_offset; - val += rela->r_addend - loc; -@@ -343,7 +343,7 @@ apply_rela(Elf_Rela *rela, Elf_Addr base - case R_390_GOTOFF32: /* 32 bit offset to GOT. */ - case R_390_GOTOFF64: /* 64 bit offset to GOT. */ - val = val + rela->r_addend - -- ((Elf_Addr) me->module_core + me->arch.got_offset); -+ ((Elf_Addr) me->module_core_rw + me->arch.got_offset); - if (r_type == R_390_GOTOFF16) - *(unsigned short *) loc = val; - else if (r_type == R_390_GOTOFF32) -@@ -353,7 +353,7 @@ apply_rela(Elf_Rela *rela, Elf_Addr base - break; - case R_390_GOTPC: /* 32 bit PC relative offset to GOT. */ - case R_390_GOTPCDBL: /* 32 bit PC rel. off. to GOT shifted by 1. */ -- val = (Elf_Addr) me->module_core + me->arch.got_offset + -+ val = (Elf_Addr) me->module_core_rw + me->arch.got_offset + - rela->r_addend - loc; - if (r_type == R_390_GOTPC) - *(unsigned int *) loc = val; -diff -urNp linux-2.6.39.3/arch/s390/kernel/process.c linux-2.6.39.3/arch/s390/kernel/process.c ---- linux-2.6.39.3/arch/s390/kernel/process.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/s390/kernel/process.c 2011-05-22 19:36:30.000000000 -0400 -@@ -334,39 +334,3 @@ unsigned long get_wchan(struct task_stru - } - return 0; - } -- --unsigned long arch_align_stack(unsigned long sp) --{ -- if (!(current->personality & ADDR_NO_RANDOMIZE) && randomize_va_space) -- sp -= get_random_int() & ~PAGE_MASK; -- return sp & ~0xf; --} -- --static inline unsigned long brk_rnd(void) --{ -- /* 8MB for 32bit, 1GB for 64bit */ -- if (is_32bit_task()) -- return (get_random_int() & 0x7ffUL) << PAGE_SHIFT; -- else -- return (get_random_int() & 0x3ffffUL) << PAGE_SHIFT; --} -- --unsigned long arch_randomize_brk(struct mm_struct *mm) --{ -- unsigned long ret = PAGE_ALIGN(mm->brk + brk_rnd()); -- -- if (ret < mm->brk) -- return mm->brk; -- return ret; --} -- --unsigned long randomize_et_dyn(unsigned long base) --{ -- unsigned long ret = PAGE_ALIGN(base + brk_rnd()); -- -- if (!(current->flags & PF_RANDOMIZE)) -- return base; -- if (ret < base) -- return base; -- return ret; --} -diff -urNp linux-2.6.39.3/arch/s390/kernel/setup.c linux-2.6.39.3/arch/s390/kernel/setup.c ---- linux-2.6.39.3/arch/s390/kernel/setup.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/s390/kernel/setup.c 2011-05-22 19:36:30.000000000 -0400 -@@ -271,7 +271,7 @@ static int __init early_parse_mem(char * - } - early_param("mem", early_parse_mem); - --unsigned int user_mode = HOME_SPACE_MODE; -+unsigned int user_mode = SECONDARY_SPACE_MODE; - EXPORT_SYMBOL_GPL(user_mode); - - static int set_amode_and_uaccess(unsigned long user_amode, -@@ -300,17 +300,6 @@ static int set_amode_and_uaccess(unsigne - } - } - --/* -- * Switch kernel/user addressing modes? -- */ --static int __init early_parse_switch_amode(char *p) --{ -- if (user_mode != SECONDARY_SPACE_MODE) -- user_mode = PRIMARY_SPACE_MODE; -- return 0; --} --early_param("switch_amode", early_parse_switch_amode); -- - static int __init early_parse_user_mode(char *p) - { - if (p && strcmp(p, "primary") == 0) -@@ -327,20 +316,6 @@ static int __init early_parse_user_mode( - } - early_param("user_mode", early_parse_user_mode); - --#ifdef CONFIG_S390_EXEC_PROTECT --/* -- * Enable execute protection? -- */ --static int __init early_parse_noexec(char *p) --{ -- if (!strncmp(p, "off", 3)) -- return 0; -- user_mode = SECONDARY_SPACE_MODE; -- return 0; --} --early_param("noexec", early_parse_noexec); --#endif /* CONFIG_S390_EXEC_PROTECT */ -- - static void setup_addressing_mode(void) - { - if (user_mode == SECONDARY_SPACE_MODE) { -diff -urNp linux-2.6.39.3/arch/s390/mm/maccess.c linux-2.6.39.3/arch/s390/mm/maccess.c ---- linux-2.6.39.3/arch/s390/mm/maccess.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/s390/mm/maccess.c 2011-05-22 19:36:30.000000000 -0400 -@@ -45,7 +45,7 @@ static long probe_kernel_write_odd(void - return rc ? rc : count; - } - --long probe_kernel_write(void *dst, void *src, size_t size) -+long probe_kernel_write(void *dst, const void *src, size_t size) - { - long copied = 0; - -diff -urNp linux-2.6.39.3/arch/s390/mm/mmap.c linux-2.6.39.3/arch/s390/mm/mmap.c ---- linux-2.6.39.3/arch/s390/mm/mmap.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/s390/mm/mmap.c 2011-05-22 19:36:30.000000000 -0400 -@@ -91,10 +91,22 @@ void arch_pick_mmap_layout(struct mm_str - */ - if (mmap_is_legacy()) { - mm->mmap_base = TASK_UNMAPPED_BASE; -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) -+ mm->mmap_base += mm->delta_mmap; -+#endif -+ - mm->get_unmapped_area = arch_get_unmapped_area; - mm->unmap_area = arch_unmap_area; - } else { - mm->mmap_base = mmap_base(); -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) -+ mm->mmap_base -= mm->delta_mmap + mm->delta_stack; -+#endif -+ - mm->get_unmapped_area = arch_get_unmapped_area_topdown; - mm->unmap_area = arch_unmap_area_topdown; - } -@@ -166,10 +178,22 @@ void arch_pick_mmap_layout(struct mm_str - */ - if (mmap_is_legacy()) { - mm->mmap_base = TASK_UNMAPPED_BASE; -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) -+ mm->mmap_base += mm->delta_mmap; -+#endif -+ - mm->get_unmapped_area = s390_get_unmapped_area; - mm->unmap_area = arch_unmap_area; - } else { - mm->mmap_base = mmap_base(); -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) -+ mm->mmap_base -= mm->delta_mmap + mm->delta_stack; -+#endif -+ - mm->get_unmapped_area = s390_get_unmapped_area_topdown; - mm->unmap_area = arch_unmap_area_topdown; - } -diff -urNp linux-2.6.39.3/arch/score/include/asm/system.h linux-2.6.39.3/arch/score/include/asm/system.h ---- linux-2.6.39.3/arch/score/include/asm/system.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/score/include/asm/system.h 2011-05-22 19:36:30.000000000 -0400 -@@ -17,7 +17,7 @@ do { \ - #define finish_arch_switch(prev) do {} while (0) - - typedef void (*vi_handler_t)(void); --extern unsigned long arch_align_stack(unsigned long sp); -+#define arch_align_stack(x) (x) - - #define mb() barrier() - #define rmb() barrier() -diff -urNp linux-2.6.39.3/arch/score/kernel/process.c linux-2.6.39.3/arch/score/kernel/process.c ---- linux-2.6.39.3/arch/score/kernel/process.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/score/kernel/process.c 2011-05-22 19:36:30.000000000 -0400 -@@ -161,8 +161,3 @@ unsigned long get_wchan(struct task_stru - - return task_pt_regs(task)->cp0_epc; - } -- --unsigned long arch_align_stack(unsigned long sp) --{ -- return sp; --} -diff -urNp linux-2.6.39.3/arch/sh/drivers/pci/ops-dreamcast.c linux-2.6.39.3/arch/sh/drivers/pci/ops-dreamcast.c ---- linux-2.6.39.3/arch/sh/drivers/pci/ops-dreamcast.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/sh/drivers/pci/ops-dreamcast.c 2011-05-22 19:36:30.000000000 -0400 -@@ -76,7 +76,7 @@ static int gapspci_write(struct pci_bus - return PCIBIOS_SUCCESSFUL; - } - --struct pci_ops gapspci_pci_ops = { -+const struct pci_ops gapspci_pci_ops = { - .read = gapspci_read, - .write = gapspci_write, - }; -diff -urNp linux-2.6.39.3/arch/sh/drivers/pci/ops-sh4.c linux-2.6.39.3/arch/sh/drivers/pci/ops-sh4.c ---- linux-2.6.39.3/arch/sh/drivers/pci/ops-sh4.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/sh/drivers/pci/ops-sh4.c 2011-05-22 19:36:30.000000000 -0400 -@@ -96,7 +96,7 @@ static int sh4_pci_write(struct pci_bus - return PCIBIOS_SUCCESSFUL; - } - --struct pci_ops sh4_pci_ops = { -+const struct pci_ops sh4_pci_ops = { - .read = sh4_pci_read, - .write = sh4_pci_write, - }; -diff -urNp linux-2.6.39.3/arch/sh/drivers/pci/ops-sh5.c linux-2.6.39.3/arch/sh/drivers/pci/ops-sh5.c ---- linux-2.6.39.3/arch/sh/drivers/pci/ops-sh5.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/sh/drivers/pci/ops-sh5.c 2011-05-22 19:36:30.000000000 -0400 -@@ -62,7 +62,7 @@ static int sh5pci_write(struct pci_bus * - return PCIBIOS_SUCCESSFUL; - } - --struct pci_ops sh5_pci_ops = { -+const struct pci_ops sh5_pci_ops = { - .read = sh5pci_read, - .write = sh5pci_write, - }; -diff -urNp linux-2.6.39.3/arch/sh/drivers/pci/ops-sh7786.c linux-2.6.39.3/arch/sh/drivers/pci/ops-sh7786.c ---- linux-2.6.39.3/arch/sh/drivers/pci/ops-sh7786.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/sh/drivers/pci/ops-sh7786.c 2011-05-22 19:36:30.000000000 -0400 -@@ -165,7 +165,7 @@ out: - return ret; - } - --struct pci_ops sh7786_pci_ops = { -+const struct pci_ops sh7786_pci_ops = { - .read = sh7786_pcie_read, - .write = sh7786_pcie_write, - }; -diff -urNp linux-2.6.39.3/arch/sh/drivers/pci/pcie-sh7786.c linux-2.6.39.3/arch/sh/drivers/pci/pcie-sh7786.c ---- linux-2.6.39.3/arch/sh/drivers/pci/pcie-sh7786.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/sh/drivers/pci/pcie-sh7786.c 2011-05-22 19:36:30.000000000 -0400 -@@ -109,7 +109,7 @@ static struct resource sh7786_pci2_resou - }, - }; - --extern struct pci_ops sh7786_pci_ops; -+extern const struct pci_ops sh7786_pci_ops; - - #define DEFINE_CONTROLLER(start, idx) \ - { \ -diff -urNp linux-2.6.39.3/arch/sh/drivers/pci/pci-sh4.h linux-2.6.39.3/arch/sh/drivers/pci/pci-sh4.h ---- linux-2.6.39.3/arch/sh/drivers/pci/pci-sh4.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/sh/drivers/pci/pci-sh4.h 2011-05-22 19:36:30.000000000 -0400 -@@ -161,7 +161,7 @@ - #define SH4_PCIPDR 0x220 /* Port IO Data Register */ - - /* arch/sh/kernel/drivers/pci/ops-sh4.c */ --extern struct pci_ops sh4_pci_ops; -+extern const struct pci_ops sh4_pci_ops; - int pci_fixup_pcic(struct pci_channel *chan); - - struct sh4_pci_address_space { -diff -urNp linux-2.6.39.3/arch/sh/drivers/pci/pci-sh5.h linux-2.6.39.3/arch/sh/drivers/pci/pci-sh5.h ---- linux-2.6.39.3/arch/sh/drivers/pci/pci-sh5.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/sh/drivers/pci/pci-sh5.h 2011-05-22 19:36:30.000000000 -0400 -@@ -105,6 +105,6 @@ extern unsigned long pcicr_virt; - #define PCISH5_MEM_SIZCONV(x) (((x / 0x40000) - 1) << 18) - #define PCISH5_IO_SIZCONV(x) (((x / 0x40000) - 1) << 18) - --extern struct pci_ops sh5_pci_ops; -+extern const struct pci_ops sh5_pci_ops; - - #endif /* __PCI_SH5_H */ -diff -urNp linux-2.6.39.3/arch/sh/include/asm/dma-mapping.h linux-2.6.39.3/arch/sh/include/asm/dma-mapping.h ---- linux-2.6.39.3/arch/sh/include/asm/dma-mapping.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/sh/include/asm/dma-mapping.h 2011-05-22 19:36:30.000000000 -0400 -@@ -1,10 +1,10 @@ - #ifndef __ASM_SH_DMA_MAPPING_H - #define __ASM_SH_DMA_MAPPING_H - --extern struct dma_map_ops *dma_ops; -+extern const struct dma_map_ops *dma_ops; - extern void no_iommu_init(void); - --static inline struct dma_map_ops *get_dma_ops(struct device *dev) -+static inline const struct dma_map_ops *get_dma_ops(struct device *dev) - { - return dma_ops; - } -@@ -14,7 +14,7 @@ static inline struct dma_map_ops *get_dm - - static inline int dma_supported(struct device *dev, u64 mask) - { -- struct dma_map_ops *ops = get_dma_ops(dev); -+ const struct dma_map_ops *ops = get_dma_ops(dev); - - if (ops->dma_supported) - return ops->dma_supported(dev, mask); -@@ -24,7 +24,7 @@ static inline int dma_supported(struct d - - static inline int dma_set_mask(struct device *dev, u64 mask) - { -- struct dma_map_ops *ops = get_dma_ops(dev); -+ const struct dma_map_ops *ops = get_dma_ops(dev); - - if (!dev->dma_mask || !dma_supported(dev, mask)) - return -EIO; -@@ -44,7 +44,7 @@ void dma_cache_sync(struct device *dev, - - static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr) - { -- struct dma_map_ops *ops = get_dma_ops(dev); -+ const struct dma_map_ops *ops = get_dma_ops(dev); - - if (ops->mapping_error) - return ops->mapping_error(dev, dma_addr); -@@ -55,7 +55,7 @@ static inline int dma_mapping_error(stru - static inline void *dma_alloc_coherent(struct device *dev, size_t size, - dma_addr_t *dma_handle, gfp_t gfp) - { -- struct dma_map_ops *ops = get_dma_ops(dev); -+ const struct dma_map_ops *ops = get_dma_ops(dev); - void *memory; - - if (dma_alloc_from_coherent(dev, size, dma_handle, &memory)) -@@ -72,7 +72,7 @@ static inline void *dma_alloc_coherent(s - static inline void dma_free_coherent(struct device *dev, size_t size, - void *vaddr, dma_addr_t dma_handle) - { -- struct dma_map_ops *ops = get_dma_ops(dev); -+ const struct dma_map_ops *ops = get_dma_ops(dev); - - if (dma_release_from_coherent(dev, get_order(size), vaddr)) - return; -diff -urNp linux-2.6.39.3/arch/sh/kernel/dma-nommu.c linux-2.6.39.3/arch/sh/kernel/dma-nommu.c ---- linux-2.6.39.3/arch/sh/kernel/dma-nommu.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/sh/kernel/dma-nommu.c 2011-05-22 19:36:30.000000000 -0400 -@@ -62,7 +62,7 @@ static void nommu_sync_sg(struct device - } - #endif - --struct dma_map_ops nommu_dma_ops = { -+const struct dma_map_ops nommu_dma_ops = { - .alloc_coherent = dma_generic_alloc_coherent, - .free_coherent = dma_generic_free_coherent, - .map_page = nommu_map_page, -diff -urNp linux-2.6.39.3/arch/sh/kernel/kgdb.c linux-2.6.39.3/arch/sh/kernel/kgdb.c ---- linux-2.6.39.3/arch/sh/kernel/kgdb.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/sh/kernel/kgdb.c 2011-05-22 19:36:30.000000000 -0400 -@@ -319,7 +319,7 @@ void kgdb_arch_exit(void) - unregister_die_notifier(&kgdb_notifier); - } - --struct kgdb_arch arch_kgdb_ops = { -+const struct kgdb_arch arch_kgdb_ops = { - /* Breakpoint instruction: trapa #0x3c */ - #ifdef CONFIG_CPU_LITTLE_ENDIAN - .gdb_bpt_instr = { 0x3c, 0xc3 }, -diff -urNp linux-2.6.39.3/arch/sh/mm/consistent.c linux-2.6.39.3/arch/sh/mm/consistent.c ---- linux-2.6.39.3/arch/sh/mm/consistent.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/sh/mm/consistent.c 2011-05-22 19:36:30.000000000 -0400 -@@ -22,7 +22,7 @@ - - #define PREALLOC_DMA_DEBUG_ENTRIES 4096 - --struct dma_map_ops *dma_ops; -+const struct dma_map_ops *dma_ops; - EXPORT_SYMBOL(dma_ops); - - static int __init dma_init(void) -diff -urNp linux-2.6.39.3/arch/sh/mm/mmap.c linux-2.6.39.3/arch/sh/mm/mmap.c ---- linux-2.6.39.3/arch/sh/mm/mmap.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/sh/mm/mmap.c 2011-05-22 19:36:30.000000000 -0400 -@@ -74,8 +74,7 @@ unsigned long arch_get_unmapped_area(str - addr = PAGE_ALIGN(addr); - - vma = find_vma(mm, addr); -- if (TASK_SIZE - len >= addr && -- (!vma || addr + len <= vma->vm_start)) -+ if (TASK_SIZE - len >= addr && check_heap_stack_gap(vma, addr, len)) - return addr; - } - -@@ -106,7 +105,7 @@ full_search: - } - return -ENOMEM; - } -- if (likely(!vma || addr + len <= vma->vm_start)) { -+ if (likely(check_heap_stack_gap(vma, addr, len))) { - /* - * Remember the place where we stopped the search: - */ -@@ -157,8 +156,7 @@ arch_get_unmapped_area_topdown(struct fi - addr = PAGE_ALIGN(addr); - - vma = find_vma(mm, addr); -- if (TASK_SIZE - len >= addr && -- (!vma || addr + len <= vma->vm_start)) -+ if (TASK_SIZE - len >= addr && check_heap_stack_gap(vma, addr, len)) - return addr; - } - -@@ -179,7 +177,7 @@ arch_get_unmapped_area_topdown(struct fi - /* make sure it can fit in the remaining address space */ - if (likely(addr > len)) { - vma = find_vma(mm, addr-len); -- if (!vma || addr <= vma->vm_start) { -+ if (check_heap_stack_gap(vma, addr - len, len)) { - /* remember the address as a hint for next time */ - return (mm->free_area_cache = addr-len); - } -@@ -188,18 +186,18 @@ arch_get_unmapped_area_topdown(struct fi - if (unlikely(mm->mmap_base < len)) - goto bottomup; - -- addr = mm->mmap_base-len; -- if (do_colour_align) -- addr = COLOUR_ALIGN_DOWN(addr, pgoff); -+ addr = mm->mmap_base - len; - - do { -+ if (do_colour_align) -+ addr = COLOUR_ALIGN_DOWN(addr, pgoff); - /* - * Lookup failure means no vma is above this address, - * else if new region fits below vma->vm_start, - * return with success: - */ - vma = find_vma(mm, addr); -- if (likely(!vma || addr+len <= vma->vm_start)) { -+ if (likely(check_heap_stack_gap(vma, addr, len))) { - /* remember the address as a hint for next time */ - return (mm->free_area_cache = addr); - } -@@ -209,10 +207,8 @@ arch_get_unmapped_area_topdown(struct fi - mm->cached_hole_size = vma->vm_start - addr; - - /* try just below the current vma->vm_start */ -- addr = vma->vm_start-len; -- if (do_colour_align) -- addr = COLOUR_ALIGN_DOWN(addr, pgoff); -- } while (likely(len < vma->vm_start)); -+ addr = skip_heap_stack_gap(vma, len); -+ } while (!IS_ERR_VALUE(addr)); - - bottomup: - /* -diff -urNp linux-2.6.39.3/arch/sparc/include/asm/atomic_64.h linux-2.6.39.3/arch/sparc/include/asm/atomic_64.h ---- linux-2.6.39.3/arch/sparc/include/asm/atomic_64.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/sparc/include/asm/atomic_64.h 2011-05-22 19:36:30.000000000 -0400 -@@ -14,18 +14,40 @@ - #define ATOMIC64_INIT(i) { (i) } - - #define atomic_read(v) (*(volatile int *)&(v)->counter) -+static inline int atomic_read_unchecked(const atomic_unchecked_t *v) -+{ -+ return v->counter; -+} - #define atomic64_read(v) (*(volatile long *)&(v)->counter) -+static inline long atomic64_read_unchecked(const atomic64_unchecked_t *v) -+{ -+ return v->counter; -+} - - #define atomic_set(v, i) (((v)->counter) = i) -+static inline void atomic_set_unchecked(atomic_unchecked_t *v, int i) -+{ -+ v->counter = i; -+} - #define atomic64_set(v, i) (((v)->counter) = i) -+static inline void atomic64_set_unchecked(atomic64_unchecked_t *v, long i) -+{ -+ v->counter = i; -+} - - extern void atomic_add(int, atomic_t *); -+extern void atomic_add_unchecked(int, atomic_unchecked_t *); - extern void atomic64_add(long, atomic64_t *); -+extern void atomic64_add_unchecked(long, atomic64_unchecked_t *); - extern void atomic_sub(int, atomic_t *); -+extern void atomic_sub_unchecked(int, atomic_unchecked_t *); - extern void atomic64_sub(long, atomic64_t *); -+extern void atomic64_sub_unchecked(long, atomic64_unchecked_t *); - - extern int atomic_add_ret(int, atomic_t *); -+extern int atomic_add_ret_unchecked(int, atomic_unchecked_t *); - extern long atomic64_add_ret(long, atomic64_t *); -+extern long atomic64_add_ret_unchecked(long, atomic64_unchecked_t *); - extern int atomic_sub_ret(int, atomic_t *); - extern long atomic64_sub_ret(long, atomic64_t *); - -@@ -33,12 +55,24 @@ extern long atomic64_sub_ret(long, atomi - #define atomic64_dec_return(v) atomic64_sub_ret(1, v) - - #define atomic_inc_return(v) atomic_add_ret(1, v) -+static inline int atomic_inc_return_unchecked(atomic_unchecked_t *v) -+{ -+ return atomic_add_ret_unchecked(1, v); -+} - #define atomic64_inc_return(v) atomic64_add_ret(1, v) -+static inline long atomic64_inc_return_unchecked(atomic64_unchecked_t *v) -+{ -+ return atomic64_add_ret_unchecked(1, v); -+} - - #define atomic_sub_return(i, v) atomic_sub_ret(i, v) - #define atomic64_sub_return(i, v) atomic64_sub_ret(i, v) - - #define atomic_add_return(i, v) atomic_add_ret(i, v) -+static inline int atomic_add_return_unchecked(int i, atomic_unchecked_t *v) -+{ -+ return atomic_add_ret_unchecked(i, v); -+} - #define atomic64_add_return(i, v) atomic64_add_ret(i, v) - - /* -@@ -50,6 +84,7 @@ extern long atomic64_sub_ret(long, atomi - * other cases. - */ - #define atomic_inc_and_test(v) (atomic_inc_return(v) == 0) -+#define atomic_inc_and_test_unchecked(v) (atomic_inc_return_unchecked(v) == 0) - #define atomic64_inc_and_test(v) (atomic64_inc_return(v) == 0) - - #define atomic_sub_and_test(i, v) (atomic_sub_ret(i, v) == 0) -@@ -59,30 +94,59 @@ extern long atomic64_sub_ret(long, atomi - #define atomic64_dec_and_test(v) (atomic64_sub_ret(1, v) == 0) - - #define atomic_inc(v) atomic_add(1, v) -+static inline void atomic_inc_unchecked(atomic_unchecked_t *v) -+{ -+ atomic_add_unchecked(1, v); -+} - #define atomic64_inc(v) atomic64_add(1, v) -+static inline void atomic64_inc_unchecked(atomic64_unchecked_t *v) -+{ -+ atomic64_add_unchecked(1, v); -+} - - #define atomic_dec(v) atomic_sub(1, v) -+static inline void atomic_dec_unchecked(atomic_unchecked_t *v) -+{ -+ atomic_sub_unchecked(1, v); -+} - #define atomic64_dec(v) atomic64_sub(1, v) -+static inline void atomic64_dec_unchecked(atomic64_unchecked_t *v) -+{ -+ atomic64_sub_unchecked(1, v); -+} - - #define atomic_add_negative(i, v) (atomic_add_ret(i, v) < 0) - #define atomic64_add_negative(i, v) (atomic64_add_ret(i, v) < 0) - - #define atomic_cmpxchg(v, o, n) (cmpxchg(&((v)->counter), (o), (n))) -+#define atomic_cmpxchg_unchecked(v, o, n) (cmpxchg(&((v)->counter), (o), (n))) - #define atomic_xchg(v, new) (xchg(&((v)->counter), new)) -+#define atomic_xchg_unchecked(v, new) (xchg(&((v)->counter), new)) - - static inline int atomic_add_unless(atomic_t *v, int a, int u) - { -- int c, old; -+ int c, old, new; - c = atomic_read(v); - for (;;) { -- if (unlikely(c == (u))) -+ if (unlikely(c == u)) - break; -- old = atomic_cmpxchg((v), c, c + (a)); -+ -+ asm volatile("addcc %2, %0, %0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "tvs %%icc, 6\n" -+#endif -+ -+ : "=r" (new) -+ : "0" (c), "ir" (a) -+ : "cc"); -+ -+ old = atomic_cmpxchg(v, c, new); - if (likely(old == c)) - break; - c = old; - } -- return c != (u); -+ return c != u; - } - - #define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0) -@@ -93,17 +157,28 @@ static inline int atomic_add_unless(atom - - static inline long atomic64_add_unless(atomic64_t *v, long a, long u) - { -- long c, old; -+ long c, old, new; - c = atomic64_read(v); - for (;;) { -- if (unlikely(c == (u))) -+ if (unlikely(c == u)) - break; -- old = atomic64_cmpxchg((v), c, c + (a)); -+ -+ asm volatile("addcc %2, %0, %0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "tvs %%xcc, 6\n" -+#endif -+ -+ : "=r" (new) -+ : "0" (c), "ir" (a) -+ : "cc"); -+ -+ old = atomic64_cmpxchg(v, c, new); - if (likely(old == c)) - break; - c = old; - } -- return c != (u); -+ return c != u; - } - - #define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1, 0) -diff -urNp linux-2.6.39.3/arch/sparc/include/asm/cache.h linux-2.6.39.3/arch/sparc/include/asm/cache.h ---- linux-2.6.39.3/arch/sparc/include/asm/cache.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/sparc/include/asm/cache.h 2011-07-06 20:00:13.000000000 -0400 -@@ -10,7 +10,7 @@ - #define ARCH_SLAB_MINALIGN __alignof__(unsigned long long) - - #define L1_CACHE_SHIFT 5 --#define L1_CACHE_BYTES 32 -+#define L1_CACHE_BYTES 32UL - - #ifdef CONFIG_SPARC32 - #define SMP_CACHE_BYTES_SHIFT 5 -diff -urNp linux-2.6.39.3/arch/sparc/include/asm/dma-mapping.h linux-2.6.39.3/arch/sparc/include/asm/dma-mapping.h ---- linux-2.6.39.3/arch/sparc/include/asm/dma-mapping.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/sparc/include/asm/dma-mapping.h 2011-05-22 19:36:30.000000000 -0400 -@@ -12,10 +12,10 @@ extern int dma_supported(struct device * - #define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f) - #define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h) - --extern struct dma_map_ops *dma_ops, pci32_dma_ops; -+extern const struct dma_map_ops *dma_ops, pci32_dma_ops; - extern struct bus_type pci_bus_type; - --static inline struct dma_map_ops *get_dma_ops(struct device *dev) -+static inline const struct dma_map_ops *get_dma_ops(struct device *dev) - { - #if defined(CONFIG_SPARC32) && defined(CONFIG_PCI) - if (dev->bus == &pci_bus_type) -@@ -29,7 +29,7 @@ static inline struct dma_map_ops *get_dm - static inline void *dma_alloc_coherent(struct device *dev, size_t size, - dma_addr_t *dma_handle, gfp_t flag) - { -- struct dma_map_ops *ops = get_dma_ops(dev); -+ const struct dma_map_ops *ops = get_dma_ops(dev); - void *cpu_addr; - - cpu_addr = ops->alloc_coherent(dev, size, dma_handle, flag); -@@ -40,7 +40,7 @@ static inline void *dma_alloc_coherent(s - static inline void dma_free_coherent(struct device *dev, size_t size, - void *cpu_addr, dma_addr_t dma_handle) - { -- struct dma_map_ops *ops = get_dma_ops(dev); -+ const struct dma_map_ops *ops = get_dma_ops(dev); - - debug_dma_free_coherent(dev, size, cpu_addr, dma_handle); - ops->free_coherent(dev, size, cpu_addr, dma_handle); -diff -urNp linux-2.6.39.3/arch/sparc/include/asm/elf_32.h linux-2.6.39.3/arch/sparc/include/asm/elf_32.h ---- linux-2.6.39.3/arch/sparc/include/asm/elf_32.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/sparc/include/asm/elf_32.h 2011-05-22 19:36:30.000000000 -0400 -@@ -114,6 +114,13 @@ typedef struct { - - #define ELF_ET_DYN_BASE (TASK_UNMAPPED_BASE) - -+#ifdef CONFIG_PAX_ASLR -+#define PAX_ELF_ET_DYN_BASE 0x10000UL -+ -+#define PAX_DELTA_MMAP_LEN 16 -+#define PAX_DELTA_STACK_LEN 16 -+#endif -+ - /* This yields a mask that user programs can use to figure out what - instruction set this cpu supports. This can NOT be done in userspace - on Sparc. */ -diff -urNp linux-2.6.39.3/arch/sparc/include/asm/elf_64.h linux-2.6.39.3/arch/sparc/include/asm/elf_64.h ---- linux-2.6.39.3/arch/sparc/include/asm/elf_64.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/sparc/include/asm/elf_64.h 2011-05-22 19:36:30.000000000 -0400 -@@ -162,6 +162,12 @@ typedef struct { - #define ELF_ET_DYN_BASE 0x0000010000000000UL - #define COMPAT_ELF_ET_DYN_BASE 0x0000000070000000UL - -+#ifdef CONFIG_PAX_ASLR -+#define PAX_ELF_ET_DYN_BASE (test_thread_flag(TIF_32BIT) ? 0x10000UL : 0x100000UL) -+ -+#define PAX_DELTA_MMAP_LEN (test_thread_flag(TIF_32BIT) ? 14 : 28) -+#define PAX_DELTA_STACK_LEN (test_thread_flag(TIF_32BIT) ? 15 : 29) -+#endif - - /* This yields a mask that user programs can use to figure out what - instruction set this cpu supports. */ -diff -urNp linux-2.6.39.3/arch/sparc/include/asm/pgtable_32.h linux-2.6.39.3/arch/sparc/include/asm/pgtable_32.h ---- linux-2.6.39.3/arch/sparc/include/asm/pgtable_32.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/sparc/include/asm/pgtable_32.h 2011-05-22 19:36:30.000000000 -0400 -@@ -43,6 +43,13 @@ BTFIXUPDEF_SIMM13(user_ptrs_per_pgd) - BTFIXUPDEF_INT(page_none) - BTFIXUPDEF_INT(page_copy) - BTFIXUPDEF_INT(page_readonly) -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+BTFIXUPDEF_INT(page_shared_noexec) -+BTFIXUPDEF_INT(page_copy_noexec) -+BTFIXUPDEF_INT(page_readonly_noexec) -+#endif -+ - BTFIXUPDEF_INT(page_kernel) - - #define PMD_SHIFT SUN4C_PMD_SHIFT -@@ -64,6 +71,16 @@ extern pgprot_t PAGE_SHARED; - #define PAGE_COPY __pgprot(BTFIXUP_INT(page_copy)) - #define PAGE_READONLY __pgprot(BTFIXUP_INT(page_readonly)) - -+#ifdef CONFIG_PAX_PAGEEXEC -+extern pgprot_t PAGE_SHARED_NOEXEC; -+# define PAGE_COPY_NOEXEC __pgprot(BTFIXUP_INT(page_copy_noexec)) -+# define PAGE_READONLY_NOEXEC __pgprot(BTFIXUP_INT(page_readonly_noexec)) -+#else -+# define PAGE_SHARED_NOEXEC PAGE_SHARED -+# define PAGE_COPY_NOEXEC PAGE_COPY -+# define PAGE_READONLY_NOEXEC PAGE_READONLY -+#endif -+ - extern unsigned long page_kernel; - - #ifdef MODULE -diff -urNp linux-2.6.39.3/arch/sparc/include/asm/pgtsrmmu.h linux-2.6.39.3/arch/sparc/include/asm/pgtsrmmu.h ---- linux-2.6.39.3/arch/sparc/include/asm/pgtsrmmu.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/sparc/include/asm/pgtsrmmu.h 2011-05-22 19:36:30.000000000 -0400 -@@ -115,6 +115,13 @@ - SRMMU_EXEC | SRMMU_REF) - #define SRMMU_PAGE_RDONLY __pgprot(SRMMU_VALID | SRMMU_CACHE | \ - SRMMU_EXEC | SRMMU_REF) -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+#define SRMMU_PAGE_SHARED_NOEXEC __pgprot(SRMMU_VALID | SRMMU_CACHE | SRMMU_WRITE | SRMMU_REF) -+#define SRMMU_PAGE_COPY_NOEXEC __pgprot(SRMMU_VALID | SRMMU_CACHE | SRMMU_REF) -+#define SRMMU_PAGE_RDONLY_NOEXEC __pgprot(SRMMU_VALID | SRMMU_CACHE | SRMMU_REF) -+#endif -+ - #define SRMMU_PAGE_KERNEL __pgprot(SRMMU_VALID | SRMMU_CACHE | SRMMU_PRIV | \ - SRMMU_DIRTY | SRMMU_REF) - -diff -urNp linux-2.6.39.3/arch/sparc/include/asm/spinlock_64.h linux-2.6.39.3/arch/sparc/include/asm/spinlock_64.h ---- linux-2.6.39.3/arch/sparc/include/asm/spinlock_64.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/sparc/include/asm/spinlock_64.h 2011-05-22 19:36:30.000000000 -0400 -@@ -92,14 +92,19 @@ static inline void arch_spin_lock_flags( - - /* Multi-reader locks, these are much saner than the 32-bit Sparc ones... */ - --static void inline arch_read_lock(arch_rwlock_t *lock) -+static inline void arch_read_lock(arch_rwlock_t *lock) - { - unsigned long tmp1, tmp2; - - __asm__ __volatile__ ( - "1: ldsw [%2], %0\n" - " brlz,pn %0, 2f\n" --"4: add %0, 1, %1\n" -+"4: addcc %0, 1, %1\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+" tvs %%icc, 6\n" -+#endif -+ - " cas [%2], %0, %1\n" - " cmp %0, %1\n" - " bne,pn %%icc, 1b\n" -@@ -112,10 +117,10 @@ static void inline arch_read_lock(arch_r - " .previous" - : "=&r" (tmp1), "=&r" (tmp2) - : "r" (lock) -- : "memory"); -+ : "memory", "cc"); - } - --static int inline arch_read_trylock(arch_rwlock_t *lock) -+static inline int arch_read_trylock(arch_rwlock_t *lock) - { - int tmp1, tmp2; - -@@ -123,7 +128,12 @@ static int inline arch_read_trylock(arch - "1: ldsw [%2], %0\n" - " brlz,a,pn %0, 2f\n" - " mov 0, %0\n" --" add %0, 1, %1\n" -+" addcc %0, 1, %1\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+" tvs %%icc, 6\n" -+#endif -+ - " cas [%2], %0, %1\n" - " cmp %0, %1\n" - " bne,pn %%icc, 1b\n" -@@ -136,13 +146,18 @@ static int inline arch_read_trylock(arch - return tmp1; - } - --static void inline arch_read_unlock(arch_rwlock_t *lock) -+static inline void arch_read_unlock(arch_rwlock_t *lock) - { - unsigned long tmp1, tmp2; - - __asm__ __volatile__( - "1: lduw [%2], %0\n" --" sub %0, 1, %1\n" -+" subcc %0, 1, %1\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+" tvs %%icc, 6\n" -+#endif -+ - " cas [%2], %0, %1\n" - " cmp %0, %1\n" - " bne,pn %%xcc, 1b\n" -@@ -152,7 +167,7 @@ static void inline arch_read_unlock(arch - : "memory"); - } - --static void inline arch_write_lock(arch_rwlock_t *lock) -+static inline void arch_write_lock(arch_rwlock_t *lock) - { - unsigned long mask, tmp1, tmp2; - -@@ -177,7 +192,7 @@ static void inline arch_write_lock(arch_ - : "memory"); - } - --static void inline arch_write_unlock(arch_rwlock_t *lock) -+static inline void arch_write_unlock(arch_rwlock_t *lock) - { - __asm__ __volatile__( - " stw %%g0, [%0]" -@@ -186,7 +201,7 @@ static void inline arch_write_unlock(arc - : "memory"); - } - --static int inline arch_write_trylock(arch_rwlock_t *lock) -+static inline int arch_write_trylock(arch_rwlock_t *lock) - { - unsigned long mask, tmp1, tmp2, result; - -diff -urNp linux-2.6.39.3/arch/sparc/include/asm/thread_info_32.h linux-2.6.39.3/arch/sparc/include/asm/thread_info_32.h ---- linux-2.6.39.3/arch/sparc/include/asm/thread_info_32.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/sparc/include/asm/thread_info_32.h 2011-06-03 01:14:03.000000000 -0400 -@@ -50,6 +50,8 @@ struct thread_info { - unsigned long w_saved; - - struct restart_block restart_block; -+ -+ unsigned long lowest_stack; - }; - - /* -diff -urNp linux-2.6.39.3/arch/sparc/include/asm/thread_info_64.h linux-2.6.39.3/arch/sparc/include/asm/thread_info_64.h ---- linux-2.6.39.3/arch/sparc/include/asm/thread_info_64.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/sparc/include/asm/thread_info_64.h 2011-06-03 01:14:21.000000000 -0400 -@@ -63,6 +63,8 @@ struct thread_info { - struct pt_regs *kern_una_regs; - unsigned int kern_una_insn; - -+ unsigned long lowest_stack; -+ - unsigned long fpregs[0] __attribute__ ((aligned(64))); - }; - -diff -urNp linux-2.6.39.3/arch/sparc/include/asm/uaccess_32.h linux-2.6.39.3/arch/sparc/include/asm/uaccess_32.h ---- linux-2.6.39.3/arch/sparc/include/asm/uaccess_32.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/sparc/include/asm/uaccess_32.h 2011-05-22 19:36:30.000000000 -0400 -@@ -249,27 +249,46 @@ extern unsigned long __copy_user(void __ - - static inline unsigned long copy_to_user(void __user *to, const void *from, unsigned long n) - { -- if (n && __access_ok((unsigned long) to, n)) -+ if ((long)n < 0) -+ return n; -+ -+ if (n && __access_ok((unsigned long) to, n)) { -+ if (!__builtin_constant_p(n)) -+ check_object_size(from, n, true); - return __copy_user(to, (__force void __user *) from, n); -- else -+ } else - return n; - } - - static inline unsigned long __copy_to_user(void __user *to, const void *from, unsigned long n) - { -+ if ((long)n < 0) -+ return n; -+ -+ if (!__builtin_constant_p(n)) -+ check_object_size(from, n, true); -+ - return __copy_user(to, (__force void __user *) from, n); - } - - static inline unsigned long copy_from_user(void *to, const void __user *from, unsigned long n) - { -- if (n && __access_ok((unsigned long) from, n)) -+ if ((long)n < 0) -+ return n; -+ -+ if (n && __access_ok((unsigned long) from, n)) { -+ if (!__builtin_constant_p(n)) -+ check_object_size(to, n, false); - return __copy_user((__force void __user *) to, from, n); -- else -+ } else - return n; - } - - static inline unsigned long __copy_from_user(void *to, const void __user *from, unsigned long n) - { -+ if ((long)n < 0) -+ return n; -+ - return __copy_user((__force void __user *) to, from, n); - } - -diff -urNp linux-2.6.39.3/arch/sparc/include/asm/uaccess_64.h linux-2.6.39.3/arch/sparc/include/asm/uaccess_64.h ---- linux-2.6.39.3/arch/sparc/include/asm/uaccess_64.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/sparc/include/asm/uaccess_64.h 2011-05-22 19:36:30.000000000 -0400 -@@ -10,6 +10,7 @@ - #include <linux/compiler.h> - #include <linux/string.h> - #include <linux/thread_info.h> -+#include <linux/kernel.h> - #include <asm/asi.h> - #include <asm/system.h> - #include <asm/spitfire.h> -@@ -213,8 +214,15 @@ extern unsigned long copy_from_user_fixu - static inline unsigned long __must_check - copy_from_user(void *to, const void __user *from, unsigned long size) - { -- unsigned long ret = ___copy_from_user(to, from, size); -+ unsigned long ret; - -+ if ((long)size < 0 || size > INT_MAX) -+ return size; -+ -+ if (!__builtin_constant_p(size)) -+ check_object_size(to, size, false); -+ -+ ret = ___copy_from_user(to, from, size); - if (unlikely(ret)) - ret = copy_from_user_fixup(to, from, size); - -@@ -230,8 +238,15 @@ extern unsigned long copy_to_user_fixup( - static inline unsigned long __must_check - copy_to_user(void __user *to, const void *from, unsigned long size) - { -- unsigned long ret = ___copy_to_user(to, from, size); -+ unsigned long ret; -+ -+ if ((long)size < 0 || size > INT_MAX) -+ return size; -+ -+ if (!__builtin_constant_p(size)) -+ check_object_size(from, size, true); - -+ ret = ___copy_to_user(to, from, size); - if (unlikely(ret)) - ret = copy_to_user_fixup(to, from, size); - return ret; -diff -urNp linux-2.6.39.3/arch/sparc/include/asm/uaccess.h linux-2.6.39.3/arch/sparc/include/asm/uaccess.h ---- linux-2.6.39.3/arch/sparc/include/asm/uaccess.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/sparc/include/asm/uaccess.h 2011-05-22 19:36:30.000000000 -0400 -@@ -1,5 +1,13 @@ - #ifndef ___ASM_SPARC_UACCESS_H - #define ___ASM_SPARC_UACCESS_H -+ -+#ifdef __KERNEL__ -+#ifndef __ASSEMBLY__ -+#include <linux/types.h> -+extern void check_object_size(const void *ptr, unsigned long n, bool to); -+#endif -+#endif -+ - #if defined(__sparc__) && defined(__arch64__) - #include <asm/uaccess_64.h> - #else -diff -urNp linux-2.6.39.3/arch/sparc/kernel/iommu.c linux-2.6.39.3/arch/sparc/kernel/iommu.c ---- linux-2.6.39.3/arch/sparc/kernel/iommu.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/sparc/kernel/iommu.c 2011-05-22 19:36:30.000000000 -0400 -@@ -824,7 +824,7 @@ static void dma_4u_sync_sg_for_cpu(struc - spin_unlock_irqrestore(&iommu->lock, flags); - } - --static struct dma_map_ops sun4u_dma_ops = { -+static const struct dma_map_ops sun4u_dma_ops = { - .alloc_coherent = dma_4u_alloc_coherent, - .free_coherent = dma_4u_free_coherent, - .map_page = dma_4u_map_page, -@@ -835,7 +835,7 @@ static struct dma_map_ops sun4u_dma_ops - .sync_sg_for_cpu = dma_4u_sync_sg_for_cpu, - }; - --struct dma_map_ops *dma_ops = &sun4u_dma_ops; -+const struct dma_map_ops *dma_ops = &sun4u_dma_ops; - EXPORT_SYMBOL(dma_ops); - - extern int pci64_dma_supported(struct pci_dev *pdev, u64 device_mask); -diff -urNp linux-2.6.39.3/arch/sparc/kernel/ioport.c linux-2.6.39.3/arch/sparc/kernel/ioport.c ---- linux-2.6.39.3/arch/sparc/kernel/ioport.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/sparc/kernel/ioport.c 2011-05-22 19:36:30.000000000 -0400 -@@ -402,7 +402,7 @@ static void sbus_sync_sg_for_device(stru - BUG(); - } - --struct dma_map_ops sbus_dma_ops = { -+const struct dma_map_ops sbus_dma_ops = { - .alloc_coherent = sbus_alloc_coherent, - .free_coherent = sbus_free_coherent, - .map_page = sbus_map_page, -@@ -653,7 +653,7 @@ static void pci32_sync_sg_for_device(str - } - } - --struct dma_map_ops pci32_dma_ops = { -+const struct dma_map_ops pci32_dma_ops = { - .alloc_coherent = pci32_alloc_coherent, - .free_coherent = pci32_free_coherent, - .map_page = pci32_map_page, -diff -urNp linux-2.6.39.3/arch/sparc/kernel/kgdb_32.c linux-2.6.39.3/arch/sparc/kernel/kgdb_32.c ---- linux-2.6.39.3/arch/sparc/kernel/kgdb_32.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/sparc/kernel/kgdb_32.c 2011-05-22 19:36:30.000000000 -0400 -@@ -164,7 +164,7 @@ void kgdb_arch_set_pc(struct pt_regs *re - regs->npc = regs->pc + 4; - } - --struct kgdb_arch arch_kgdb_ops = { -+const struct kgdb_arch arch_kgdb_ops = { - /* Breakpoint instruction: ta 0x7d */ - .gdb_bpt_instr = { 0x91, 0xd0, 0x20, 0x7d }, - }; -diff -urNp linux-2.6.39.3/arch/sparc/kernel/kgdb_64.c linux-2.6.39.3/arch/sparc/kernel/kgdb_64.c ---- linux-2.6.39.3/arch/sparc/kernel/kgdb_64.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/sparc/kernel/kgdb_64.c 2011-05-22 19:36:30.000000000 -0400 -@@ -187,7 +187,7 @@ void kgdb_arch_set_pc(struct pt_regs *re - regs->tnpc = regs->tpc + 4; - } - --struct kgdb_arch arch_kgdb_ops = { -+const struct kgdb_arch arch_kgdb_ops = { - /* Breakpoint instruction: ta 0x72 */ - .gdb_bpt_instr = { 0x91, 0xd0, 0x20, 0x72 }, - }; -diff -urNp linux-2.6.39.3/arch/sparc/kernel/Makefile linux-2.6.39.3/arch/sparc/kernel/Makefile ---- linux-2.6.39.3/arch/sparc/kernel/Makefile 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/sparc/kernel/Makefile 2011-05-22 19:36:30.000000000 -0400 -@@ -3,7 +3,7 @@ - # - - asflags-y := -ansi --ccflags-y := -Werror -+#ccflags-y := -Werror - - extra-y := head_$(BITS).o - extra-y += init_task.o -diff -urNp linux-2.6.39.3/arch/sparc/kernel/pcic.c linux-2.6.39.3/arch/sparc/kernel/pcic.c ---- linux-2.6.39.3/arch/sparc/kernel/pcic.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/sparc/kernel/pcic.c 2011-05-22 19:36:30.000000000 -0400 -@@ -268,7 +268,7 @@ static int pcic_write_config(struct pci_ - return -EINVAL; - } - --static struct pci_ops pcic_ops = { -+static const struct pci_ops pcic_ops = { - .read = pcic_read_config, - .write = pcic_write_config, - }; -diff -urNp linux-2.6.39.3/arch/sparc/kernel/pci_common.c linux-2.6.39.3/arch/sparc/kernel/pci_common.c ---- linux-2.6.39.3/arch/sparc/kernel/pci_common.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/sparc/kernel/pci_common.c 2011-05-22 19:36:30.000000000 -0400 -@@ -249,7 +249,7 @@ static int sun4u_write_pci_cfg(struct pc - return PCIBIOS_SUCCESSFUL; - } - --struct pci_ops sun4u_pci_ops = { -+const struct pci_ops sun4u_pci_ops = { - .read = sun4u_read_pci_cfg, - .write = sun4u_write_pci_cfg, - }; -@@ -310,7 +310,7 @@ static int sun4v_write_pci_cfg(struct pc - return PCIBIOS_SUCCESSFUL; - } - --struct pci_ops sun4v_pci_ops = { -+const struct pci_ops sun4v_pci_ops = { - .read = sun4v_read_pci_cfg, - .write = sun4v_write_pci_cfg, - }; -diff -urNp linux-2.6.39.3/arch/sparc/kernel/pci_impl.h linux-2.6.39.3/arch/sparc/kernel/pci_impl.h ---- linux-2.6.39.3/arch/sparc/kernel/pci_impl.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/sparc/kernel/pci_impl.h 2011-05-22 19:36:30.000000000 -0400 -@@ -175,8 +175,8 @@ extern void pci_config_write8(u8 *addr, - extern void pci_config_write16(u16 *addr, u16 val); - extern void pci_config_write32(u32 *addr, u32 val); - --extern struct pci_ops sun4u_pci_ops; --extern struct pci_ops sun4v_pci_ops; -+extern const struct pci_ops sun4u_pci_ops; -+extern const struct pci_ops sun4v_pci_ops; - - extern volatile int pci_poke_in_progress; - extern volatile int pci_poke_cpu; -diff -urNp linux-2.6.39.3/arch/sparc/kernel/pci_sun4v.c linux-2.6.39.3/arch/sparc/kernel/pci_sun4v.c ---- linux-2.6.39.3/arch/sparc/kernel/pci_sun4v.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/sparc/kernel/pci_sun4v.c 2011-05-22 19:36:30.000000000 -0400 -@@ -525,7 +525,7 @@ static void dma_4v_unmap_sg(struct devic - spin_unlock_irqrestore(&iommu->lock, flags); - } - --static struct dma_map_ops sun4v_dma_ops = { -+static const struct dma_map_ops sun4v_dma_ops = { - .alloc_coherent = dma_4v_alloc_coherent, - .free_coherent = dma_4v_free_coherent, - .map_page = dma_4v_map_page, -diff -urNp linux-2.6.39.3/arch/sparc/kernel/process_32.c linux-2.6.39.3/arch/sparc/kernel/process_32.c ---- linux-2.6.39.3/arch/sparc/kernel/process_32.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/sparc/kernel/process_32.c 2011-05-22 19:41:32.000000000 -0400 -@@ -196,7 +196,7 @@ void __show_backtrace(unsigned long fp) - rw->ins[4], rw->ins[5], - rw->ins[6], - rw->ins[7]); -- printk("%pS\n", (void *) rw->ins[7]); -+ printk("%pA\n", (void *) rw->ins[7]); - rw = (struct reg_window32 *) rw->ins[6]; - } - spin_unlock_irqrestore(&sparc_backtrace_lock, flags); -@@ -263,14 +263,14 @@ void show_regs(struct pt_regs *r) - - printk("PSR: %08lx PC: %08lx NPC: %08lx Y: %08lx %s\n", - r->psr, r->pc, r->npc, r->y, print_tainted()); -- printk("PC: <%pS>\n", (void *) r->pc); -+ printk("PC: <%pA>\n", (void *) r->pc); - printk("%%G: %08lx %08lx %08lx %08lx %08lx %08lx %08lx %08lx\n", - r->u_regs[0], r->u_regs[1], r->u_regs[2], r->u_regs[3], - r->u_regs[4], r->u_regs[5], r->u_regs[6], r->u_regs[7]); - printk("%%O: %08lx %08lx %08lx %08lx %08lx %08lx %08lx %08lx\n", - r->u_regs[8], r->u_regs[9], r->u_regs[10], r->u_regs[11], - r->u_regs[12], r->u_regs[13], r->u_regs[14], r->u_regs[15]); -- printk("RPC: <%pS>\n", (void *) r->u_regs[15]); -+ printk("RPC: <%pA>\n", (void *) r->u_regs[15]); - - printk("%%L: %08lx %08lx %08lx %08lx %08lx %08lx %08lx %08lx\n", - rw->locals[0], rw->locals[1], rw->locals[2], rw->locals[3], -@@ -305,7 +305,7 @@ void show_stack(struct task_struct *tsk, - rw = (struct reg_window32 *) fp; - pc = rw->ins[7]; - printk("[%08lx : ", pc); -- printk("%pS ] ", (void *) pc); -+ printk("%pA ] ", (void *) pc); - fp = rw->ins[6]; - } while (++count < 16); - printk("\n"); -diff -urNp linux-2.6.39.3/arch/sparc/kernel/process_64.c linux-2.6.39.3/arch/sparc/kernel/process_64.c ---- linux-2.6.39.3/arch/sparc/kernel/process_64.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/sparc/kernel/process_64.c 2011-05-22 19:41:32.000000000 -0400 -@@ -180,14 +180,14 @@ static void show_regwindow(struct pt_reg - printk("i4: %016lx i5: %016lx i6: %016lx i7: %016lx\n", - rwk->ins[4], rwk->ins[5], rwk->ins[6], rwk->ins[7]); - if (regs->tstate & TSTATE_PRIV) -- printk("I7: <%pS>\n", (void *) rwk->ins[7]); -+ printk("I7: <%pA>\n", (void *) rwk->ins[7]); - } - - void show_regs(struct pt_regs *regs) - { - printk("TSTATE: %016lx TPC: %016lx TNPC: %016lx Y: %08x %s\n", regs->tstate, - regs->tpc, regs->tnpc, regs->y, print_tainted()); -- printk("TPC: <%pS>\n", (void *) regs->tpc); -+ printk("TPC: <%pA>\n", (void *) regs->tpc); - printk("g0: %016lx g1: %016lx g2: %016lx g3: %016lx\n", - regs->u_regs[0], regs->u_regs[1], regs->u_regs[2], - regs->u_regs[3]); -@@ -200,7 +200,7 @@ void show_regs(struct pt_regs *regs) - printk("o4: %016lx o5: %016lx sp: %016lx ret_pc: %016lx\n", - regs->u_regs[12], regs->u_regs[13], regs->u_regs[14], - regs->u_regs[15]); -- printk("RPC: <%pS>\n", (void *) regs->u_regs[15]); -+ printk("RPC: <%pA>\n", (void *) regs->u_regs[15]); - show_regwindow(regs); - show_stack(current, (unsigned long *) regs->u_regs[UREG_FP]); - } -@@ -285,7 +285,7 @@ void arch_trigger_all_cpu_backtrace(void - ((tp && tp->task) ? tp->task->pid : -1)); - - if (gp->tstate & TSTATE_PRIV) { -- printk(" TPC[%pS] O7[%pS] I7[%pS] RPC[%pS]\n", -+ printk(" TPC[%pA] O7[%pA] I7[%pA] RPC[%pA]\n", - (void *) gp->tpc, - (void *) gp->o7, - (void *) gp->i7, -diff -urNp linux-2.6.39.3/arch/sparc/kernel/sys_sparc_32.c linux-2.6.39.3/arch/sparc/kernel/sys_sparc_32.c ---- linux-2.6.39.3/arch/sparc/kernel/sys_sparc_32.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/sparc/kernel/sys_sparc_32.c 2011-05-22 19:36:30.000000000 -0400 -@@ -56,7 +56,7 @@ unsigned long arch_get_unmapped_area(str - if (ARCH_SUN4C && len > 0x20000000) - return -ENOMEM; - if (!addr) -- addr = TASK_UNMAPPED_BASE; -+ addr = current->mm->mmap_base; - - if (flags & MAP_SHARED) - addr = COLOUR_ALIGN(addr); -@@ -71,7 +71,7 @@ unsigned long arch_get_unmapped_area(str - } - if (TASK_SIZE - PAGE_SIZE - len < addr) - return -ENOMEM; -- if (!vmm || addr + len <= vmm->vm_start) -+ if (check_heap_stack_gap(vmm, addr, len)) - return addr; - addr = vmm->vm_end; - if (flags & MAP_SHARED) -diff -urNp linux-2.6.39.3/arch/sparc/kernel/sys_sparc_64.c linux-2.6.39.3/arch/sparc/kernel/sys_sparc_64.c ---- linux-2.6.39.3/arch/sparc/kernel/sys_sparc_64.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/sparc/kernel/sys_sparc_64.c 2011-05-22 19:36:30.000000000 -0400 -@@ -124,7 +124,7 @@ unsigned long arch_get_unmapped_area(str - /* We do not accept a shared mapping if it would violate - * cache aliasing constraints. - */ -- if ((flags & MAP_SHARED) && -+ if ((filp || (flags & MAP_SHARED)) && - ((addr - (pgoff << PAGE_SHIFT)) & (SHMLBA - 1))) - return -EINVAL; - return addr; -@@ -139,6 +139,10 @@ unsigned long arch_get_unmapped_area(str - if (filp || (flags & MAP_SHARED)) - do_color_align = 1; - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ - if (addr) { - if (do_color_align) - addr = COLOUR_ALIGN(addr, pgoff); -@@ -146,15 +150,14 @@ unsigned long arch_get_unmapped_area(str - addr = PAGE_ALIGN(addr); - - vma = find_vma(mm, addr); -- if (task_size - len >= addr && -- (!vma || addr + len <= vma->vm_start)) -+ if (task_size - len >= addr && check_heap_stack_gap(vma, addr, len)) - return addr; - } - - if (len > mm->cached_hole_size) { -- start_addr = addr = mm->free_area_cache; -+ start_addr = addr = mm->free_area_cache; - } else { -- start_addr = addr = TASK_UNMAPPED_BASE; -+ start_addr = addr = mm->mmap_base; - mm->cached_hole_size = 0; - } - -@@ -174,14 +177,14 @@ full_search: - vma = find_vma(mm, VA_EXCLUDE_END); - } - if (unlikely(task_size < addr)) { -- if (start_addr != TASK_UNMAPPED_BASE) { -- start_addr = addr = TASK_UNMAPPED_BASE; -+ if (start_addr != mm->mmap_base) { -+ start_addr = addr = mm->mmap_base; - mm->cached_hole_size = 0; - goto full_search; - } - return -ENOMEM; - } -- if (likely(!vma || addr + len <= vma->vm_start)) { -+ if (likely(check_heap_stack_gap(vma, addr, len))) { - /* - * Remember the place where we stopped the search: - */ -@@ -215,7 +218,7 @@ arch_get_unmapped_area_topdown(struct fi - /* We do not accept a shared mapping if it would violate - * cache aliasing constraints. - */ -- if ((flags & MAP_SHARED) && -+ if ((filp || (flags & MAP_SHARED)) && - ((addr - (pgoff << PAGE_SHIFT)) & (SHMLBA - 1))) - return -EINVAL; - return addr; -@@ -236,8 +239,7 @@ arch_get_unmapped_area_topdown(struct fi - addr = PAGE_ALIGN(addr); - - vma = find_vma(mm, addr); -- if (task_size - len >= addr && -- (!vma || addr + len <= vma->vm_start)) -+ if (task_size - len >= addr && check_heap_stack_gap(vma, addr, len)) - return addr; - } - -@@ -258,7 +260,7 @@ arch_get_unmapped_area_topdown(struct fi - /* make sure it can fit in the remaining address space */ - if (likely(addr > len)) { - vma = find_vma(mm, addr-len); -- if (!vma || addr <= vma->vm_start) { -+ if (check_heap_stack_gap(vma, addr - len, len)) { - /* remember the address as a hint for next time */ - return (mm->free_area_cache = addr-len); - } -@@ -267,18 +269,18 @@ arch_get_unmapped_area_topdown(struct fi - if (unlikely(mm->mmap_base < len)) - goto bottomup; - -- addr = mm->mmap_base-len; -- if (do_color_align) -- addr = COLOUR_ALIGN_DOWN(addr, pgoff); -+ addr = mm->mmap_base - len; - - do { -+ if (do_color_align) -+ addr = COLOUR_ALIGN_DOWN(addr, pgoff); - /* - * Lookup failure means no vma is above this address, - * else if new region fits below vma->vm_start, - * return with success: - */ - vma = find_vma(mm, addr); -- if (likely(!vma || addr+len <= vma->vm_start)) { -+ if (likely(check_heap_stack_gap(vma, addr, len))) { - /* remember the address as a hint for next time */ - return (mm->free_area_cache = addr); - } -@@ -288,10 +290,8 @@ arch_get_unmapped_area_topdown(struct fi - mm->cached_hole_size = vma->vm_start - addr; - - /* try just below the current vma->vm_start */ -- addr = vma->vm_start-len; -- if (do_color_align) -- addr = COLOUR_ALIGN_DOWN(addr, pgoff); -- } while (likely(len < vma->vm_start)); -+ addr = skip_heap_stack_gap(vma, len); -+ } while (!IS_ERR_VALUE(addr)); - - bottomup: - /* -@@ -390,6 +390,12 @@ void arch_pick_mmap_layout(struct mm_str - gap == RLIM_INFINITY || - sysctl_legacy_va_layout) { - mm->mmap_base = TASK_UNMAPPED_BASE + random_factor; -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) -+ mm->mmap_base += mm->delta_mmap; -+#endif -+ - mm->get_unmapped_area = arch_get_unmapped_area; - mm->unmap_area = arch_unmap_area; - } else { -@@ -402,6 +408,12 @@ void arch_pick_mmap_layout(struct mm_str - gap = (task_size / 6 * 5); - - mm->mmap_base = PAGE_ALIGN(task_size - gap - random_factor); -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) -+ mm->mmap_base -= mm->delta_mmap + mm->delta_stack; -+#endif -+ - mm->get_unmapped_area = arch_get_unmapped_area_topdown; - mm->unmap_area = arch_unmap_area_topdown; - } -diff -urNp linux-2.6.39.3/arch/sparc/kernel/traps_32.c linux-2.6.39.3/arch/sparc/kernel/traps_32.c ---- linux-2.6.39.3/arch/sparc/kernel/traps_32.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/sparc/kernel/traps_32.c 2011-06-13 21:29:23.000000000 -0400 -@@ -44,6 +44,8 @@ static void instruction_dump(unsigned lo - #define __SAVE __asm__ __volatile__("save %sp, -0x40, %sp\n\t") - #define __RESTORE __asm__ __volatile__("restore %g0, %g0, %g0\n\t") - -+extern void gr_handle_kernel_exploit(void); -+ - void die_if_kernel(char *str, struct pt_regs *regs) - { - static int die_counter; -@@ -76,15 +78,17 @@ void die_if_kernel(char *str, struct pt_ - count++ < 30 && - (((unsigned long) rw) >= PAGE_OFFSET) && - !(((unsigned long) rw) & 0x7)) { -- printk("Caller[%08lx]: %pS\n", rw->ins[7], -+ printk("Caller[%08lx]: %pA\n", rw->ins[7], - (void *) rw->ins[7]); - rw = (struct reg_window32 *)rw->ins[6]; - } - } - printk("Instruction DUMP:"); - instruction_dump ((unsigned long *) regs->pc); -- if(regs->psr & PSR_PS) -+ if(regs->psr & PSR_PS) { -+ gr_handle_kernel_exploit(); - do_exit(SIGKILL); -+ } - do_exit(SIGSEGV); - } - -diff -urNp linux-2.6.39.3/arch/sparc/kernel/traps_64.c linux-2.6.39.3/arch/sparc/kernel/traps_64.c ---- linux-2.6.39.3/arch/sparc/kernel/traps_64.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/sparc/kernel/traps_64.c 2011-06-13 21:28:54.000000000 -0400 -@@ -75,7 +75,7 @@ static void dump_tl1_traplog(struct tl1_ - i + 1, - p->trapstack[i].tstate, p->trapstack[i].tpc, - p->trapstack[i].tnpc, p->trapstack[i].tt); -- printk("TRAPLOG: TPC<%pS>\n", (void *) p->trapstack[i].tpc); -+ printk("TRAPLOG: TPC<%pA>\n", (void *) p->trapstack[i].tpc); - } - } - -@@ -95,6 +95,12 @@ void bad_trap(struct pt_regs *regs, long - - lvl -= 0x100; - if (regs->tstate & TSTATE_PRIV) { -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ if (lvl == 6) -+ pax_report_refcount_overflow(regs); -+#endif -+ - sprintf(buffer, "Kernel bad sw trap %lx", lvl); - die_if_kernel(buffer, regs); - } -@@ -113,11 +119,16 @@ void bad_trap(struct pt_regs *regs, long - void bad_trap_tl1(struct pt_regs *regs, long lvl) - { - char buffer[32]; -- -+ - if (notify_die(DIE_TRAP_TL1, "bad trap tl1", regs, - 0, lvl, SIGTRAP) == NOTIFY_STOP) - return; - -+#ifdef CONFIG_PAX_REFCOUNT -+ if (lvl == 6) -+ pax_report_refcount_overflow(regs); -+#endif -+ - dump_tl1_traplog((struct tl1_traplog *)(regs + 1)); - - sprintf (buffer, "Bad trap %lx at tl>0", lvl); -@@ -1141,7 +1152,7 @@ static void cheetah_log_errors(struct pt - regs->tpc, regs->tnpc, regs->u_regs[UREG_I7], regs->tstate); - printk("%s" "ERROR(%d): ", - (recoverable ? KERN_WARNING : KERN_CRIT), smp_processor_id()); -- printk("TPC<%pS>\n", (void *) regs->tpc); -+ printk("TPC<%pA>\n", (void *) regs->tpc); - printk("%s" "ERROR(%d): M_SYND(%lx), E_SYND(%lx)%s%s\n", - (recoverable ? KERN_WARNING : KERN_CRIT), smp_processor_id(), - (afsr & CHAFSR_M_SYNDROME) >> CHAFSR_M_SYNDROME_SHIFT, -@@ -1748,7 +1759,7 @@ void cheetah_plus_parity_error(int type, - smp_processor_id(), - (type & 0x1) ? 'I' : 'D', - regs->tpc); -- printk(KERN_EMERG "TPC<%pS>\n", (void *) regs->tpc); -+ printk(KERN_EMERG "TPC<%pA>\n", (void *) regs->tpc); - panic("Irrecoverable Cheetah+ parity error."); - } - -@@ -1756,7 +1767,7 @@ void cheetah_plus_parity_error(int type, - smp_processor_id(), - (type & 0x1) ? 'I' : 'D', - regs->tpc); -- printk(KERN_WARNING "TPC<%pS>\n", (void *) regs->tpc); -+ printk(KERN_WARNING "TPC<%pA>\n", (void *) regs->tpc); - } - - struct sun4v_error_entry { -@@ -1963,9 +1974,9 @@ void sun4v_itlb_error_report(struct pt_r - - printk(KERN_EMERG "SUN4V-ITLB: Error at TPC[%lx], tl %d\n", - regs->tpc, tl); -- printk(KERN_EMERG "SUN4V-ITLB: TPC<%pS>\n", (void *) regs->tpc); -+ printk(KERN_EMERG "SUN4V-ITLB: TPC<%pA>\n", (void *) regs->tpc); - printk(KERN_EMERG "SUN4V-ITLB: O7[%lx]\n", regs->u_regs[UREG_I7]); -- printk(KERN_EMERG "SUN4V-ITLB: O7<%pS>\n", -+ printk(KERN_EMERG "SUN4V-ITLB: O7<%pA>\n", - (void *) regs->u_regs[UREG_I7]); - printk(KERN_EMERG "SUN4V-ITLB: vaddr[%lx] ctx[%lx] " - "pte[%lx] error[%lx]\n", -@@ -1987,9 +1998,9 @@ void sun4v_dtlb_error_report(struct pt_r - - printk(KERN_EMERG "SUN4V-DTLB: Error at TPC[%lx], tl %d\n", - regs->tpc, tl); -- printk(KERN_EMERG "SUN4V-DTLB: TPC<%pS>\n", (void *) regs->tpc); -+ printk(KERN_EMERG "SUN4V-DTLB: TPC<%pA>\n", (void *) regs->tpc); - printk(KERN_EMERG "SUN4V-DTLB: O7[%lx]\n", regs->u_regs[UREG_I7]); -- printk(KERN_EMERG "SUN4V-DTLB: O7<%pS>\n", -+ printk(KERN_EMERG "SUN4V-DTLB: O7<%pA>\n", - (void *) regs->u_regs[UREG_I7]); - printk(KERN_EMERG "SUN4V-DTLB: vaddr[%lx] ctx[%lx] " - "pte[%lx] error[%lx]\n", -@@ -2195,13 +2206,13 @@ void show_stack(struct task_struct *tsk, - fp = (unsigned long)sf->fp + STACK_BIAS; - } - -- printk(" [%016lx] %pS\n", pc, (void *) pc); -+ printk(" [%016lx] %pA\n", pc, (void *) pc); - #ifdef CONFIG_FUNCTION_GRAPH_TRACER - if ((pc + 8UL) == (unsigned long) &return_to_handler) { - int index = tsk->curr_ret_stack; - if (tsk->ret_stack && index >= graph) { - pc = tsk->ret_stack[index - graph].ret; -- printk(" [%016lx] %pS\n", pc, (void *) pc); -+ printk(" [%016lx] %pA\n", pc, (void *) pc); - graph++; - } - } -@@ -2226,6 +2237,8 @@ static inline struct reg_window *kernel_ - return (struct reg_window *) (fp + STACK_BIAS); - } - -+extern void gr_handle_kernel_exploit(void); -+ - void die_if_kernel(char *str, struct pt_regs *regs) - { - static int die_counter; -@@ -2254,7 +2267,7 @@ void die_if_kernel(char *str, struct pt_ - while (rw && - count++ < 30 && - kstack_valid(tp, (unsigned long) rw)) { -- printk("Caller[%016lx]: %pS\n", rw->ins[7], -+ printk("Caller[%016lx]: %pA\n", rw->ins[7], - (void *) rw->ins[7]); - - rw = kernel_stack_up(rw); -@@ -2267,8 +2280,10 @@ void die_if_kernel(char *str, struct pt_ - } - user_instruction_dump ((unsigned int __user *) regs->tpc); - } -- if (regs->tstate & TSTATE_PRIV) -+ if (regs->tstate & TSTATE_PRIV) { -+ gr_handle_kernel_exploit(); - do_exit(SIGKILL); -+ } - do_exit(SIGSEGV); - } - EXPORT_SYMBOL(die_if_kernel); -diff -urNp linux-2.6.39.3/arch/sparc/kernel/unaligned_64.c linux-2.6.39.3/arch/sparc/kernel/unaligned_64.c ---- linux-2.6.39.3/arch/sparc/kernel/unaligned_64.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/sparc/kernel/unaligned_64.c 2011-05-22 19:41:32.000000000 -0400 -@@ -278,7 +278,7 @@ static void log_unaligned(struct pt_regs - static DEFINE_RATELIMIT_STATE(ratelimit, 5 * HZ, 5); - - if (__ratelimit(&ratelimit)) { -- printk("Kernel unaligned access at TPC[%lx] %pS\n", -+ printk("Kernel unaligned access at TPC[%lx] %pA\n", - regs->tpc, (void *) regs->tpc); - } - } -diff -urNp linux-2.6.39.3/arch/sparc/lib/atomic_64.S linux-2.6.39.3/arch/sparc/lib/atomic_64.S ---- linux-2.6.39.3/arch/sparc/lib/atomic_64.S 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/sparc/lib/atomic_64.S 2011-05-22 19:36:30.000000000 -0400 -@@ -18,7 +18,12 @@ - atomic_add: /* %o0 = increment, %o1 = atomic_ptr */ - BACKOFF_SETUP(%o2) - 1: lduw [%o1], %g1 -- add %g1, %o0, %g7 -+ addcc %g1, %o0, %g7 -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ tvs %icc, 6 -+#endif -+ - cas [%o1], %g1, %g7 - cmp %g1, %g7 - bne,pn %icc, BACKOFF_LABEL(2f, 1b) -@@ -28,12 +33,32 @@ atomic_add: /* %o0 = increment, %o1 = at - 2: BACKOFF_SPIN(%o2, %o3, 1b) - .size atomic_add, .-atomic_add - -+ .globl atomic_add_unchecked -+ .type atomic_add_unchecked,#function -+atomic_add_unchecked: /* %o0 = increment, %o1 = atomic_ptr */ -+ BACKOFF_SETUP(%o2) -+1: lduw [%o1], %g1 -+ add %g1, %o0, %g7 -+ cas [%o1], %g1, %g7 -+ cmp %g1, %g7 -+ bne,pn %icc, 2f -+ nop -+ retl -+ nop -+2: BACKOFF_SPIN(%o2, %o3, 1b) -+ .size atomic_add_unchecked, .-atomic_add_unchecked -+ - .globl atomic_sub - .type atomic_sub,#function - atomic_sub: /* %o0 = decrement, %o1 = atomic_ptr */ - BACKOFF_SETUP(%o2) - 1: lduw [%o1], %g1 -- sub %g1, %o0, %g7 -+ subcc %g1, %o0, %g7 -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ tvs %icc, 6 -+#endif -+ - cas [%o1], %g1, %g7 - cmp %g1, %g7 - bne,pn %icc, BACKOFF_LABEL(2f, 1b) -@@ -43,12 +68,32 @@ atomic_sub: /* %o0 = decrement, %o1 = at - 2: BACKOFF_SPIN(%o2, %o3, 1b) - .size atomic_sub, .-atomic_sub - -+ .globl atomic_sub_unchecked -+ .type atomic_sub_unchecked,#function -+atomic_sub_unchecked: /* %o0 = decrement, %o1 = atomic_ptr */ -+ BACKOFF_SETUP(%o2) -+1: lduw [%o1], %g1 -+ sub %g1, %o0, %g7 -+ cas [%o1], %g1, %g7 -+ cmp %g1, %g7 -+ bne,pn %icc, 2f -+ nop -+ retl -+ nop -+2: BACKOFF_SPIN(%o2, %o3, 1b) -+ .size atomic_sub_unchecked, .-atomic_sub_unchecked -+ - .globl atomic_add_ret - .type atomic_add_ret,#function - atomic_add_ret: /* %o0 = increment, %o1 = atomic_ptr */ - BACKOFF_SETUP(%o2) - 1: lduw [%o1], %g1 -- add %g1, %o0, %g7 -+ addcc %g1, %o0, %g7 -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ tvs %icc, 6 -+#endif -+ - cas [%o1], %g1, %g7 - cmp %g1, %g7 - bne,pn %icc, BACKOFF_LABEL(2f, 1b) -@@ -58,12 +103,33 @@ atomic_add_ret: /* %o0 = increment, %o1 - 2: BACKOFF_SPIN(%o2, %o3, 1b) - .size atomic_add_ret, .-atomic_add_ret - -+ .globl atomic_add_ret_unchecked -+ .type atomic_add_ret_unchecked,#function -+atomic_add_ret_unchecked: /* %o0 = increment, %o1 = atomic_ptr */ -+ BACKOFF_SETUP(%o2) -+1: lduw [%o1], %g1 -+ addcc %g1, %o0, %g7 -+ cas [%o1], %g1, %g7 -+ cmp %g1, %g7 -+ bne,pn %icc, 2f -+ add %g7, %o0, %g7 -+ sra %g7, 0, %o0 -+ retl -+ nop -+2: BACKOFF_SPIN(%o2, %o3, 1b) -+ .size atomic_add_ret_unchecked, .-atomic_add_ret_unchecked -+ - .globl atomic_sub_ret - .type atomic_sub_ret,#function - atomic_sub_ret: /* %o0 = decrement, %o1 = atomic_ptr */ - BACKOFF_SETUP(%o2) - 1: lduw [%o1], %g1 -- sub %g1, %o0, %g7 -+ subcc %g1, %o0, %g7 -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ tvs %icc, 6 -+#endif -+ - cas [%o1], %g1, %g7 - cmp %g1, %g7 - bne,pn %icc, BACKOFF_LABEL(2f, 1b) -@@ -78,7 +144,12 @@ atomic_sub_ret: /* %o0 = decrement, %o1 - atomic64_add: /* %o0 = increment, %o1 = atomic_ptr */ - BACKOFF_SETUP(%o2) - 1: ldx [%o1], %g1 -- add %g1, %o0, %g7 -+ addcc %g1, %o0, %g7 -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ tvs %xcc, 6 -+#endif -+ - casx [%o1], %g1, %g7 - cmp %g1, %g7 - bne,pn %xcc, BACKOFF_LABEL(2f, 1b) -@@ -88,12 +159,32 @@ atomic64_add: /* %o0 = increment, %o1 = - 2: BACKOFF_SPIN(%o2, %o3, 1b) - .size atomic64_add, .-atomic64_add - -+ .globl atomic64_add_unchecked -+ .type atomic64_add_unchecked,#function -+atomic64_add_unchecked: /* %o0 = increment, %o1 = atomic_ptr */ -+ BACKOFF_SETUP(%o2) -+1: ldx [%o1], %g1 -+ addcc %g1, %o0, %g7 -+ casx [%o1], %g1, %g7 -+ cmp %g1, %g7 -+ bne,pn %xcc, 2f -+ nop -+ retl -+ nop -+2: BACKOFF_SPIN(%o2, %o3, 1b) -+ .size atomic64_add_unchecked, .-atomic64_add_unchecked -+ - .globl atomic64_sub - .type atomic64_sub,#function - atomic64_sub: /* %o0 = decrement, %o1 = atomic_ptr */ - BACKOFF_SETUP(%o2) - 1: ldx [%o1], %g1 -- sub %g1, %o0, %g7 -+ subcc %g1, %o0, %g7 -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ tvs %xcc, 6 -+#endif -+ - casx [%o1], %g1, %g7 - cmp %g1, %g7 - bne,pn %xcc, BACKOFF_LABEL(2f, 1b) -@@ -103,12 +194,32 @@ atomic64_sub: /* %o0 = decrement, %o1 = - 2: BACKOFF_SPIN(%o2, %o3, 1b) - .size atomic64_sub, .-atomic64_sub - -+ .globl atomic64_sub_unchecked -+ .type atomic64_sub_unchecked,#function -+atomic64_sub_unchecked: /* %o0 = decrement, %o1 = atomic_ptr */ -+ BACKOFF_SETUP(%o2) -+1: ldx [%o1], %g1 -+ subcc %g1, %o0, %g7 -+ casx [%o1], %g1, %g7 -+ cmp %g1, %g7 -+ bne,pn %xcc, 2f -+ nop -+ retl -+ nop -+2: BACKOFF_SPIN(%o2, %o3, 1b) -+ .size atomic64_sub_unchecked, .-atomic64_sub_unchecked -+ - .globl atomic64_add_ret - .type atomic64_add_ret,#function - atomic64_add_ret: /* %o0 = increment, %o1 = atomic_ptr */ - BACKOFF_SETUP(%o2) - 1: ldx [%o1], %g1 -- add %g1, %o0, %g7 -+ addcc %g1, %o0, %g7 -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ tvs %xcc, 6 -+#endif -+ - casx [%o1], %g1, %g7 - cmp %g1, %g7 - bne,pn %xcc, BACKOFF_LABEL(2f, 1b) -@@ -118,12 +229,33 @@ atomic64_add_ret: /* %o0 = increment, %o - 2: BACKOFF_SPIN(%o2, %o3, 1b) - .size atomic64_add_ret, .-atomic64_add_ret - -+ .globl atomic64_add_ret_unchecked -+ .type atomic64_add_ret_unchecked,#function -+atomic64_add_ret_unchecked: /* %o0 = increment, %o1 = atomic_ptr */ -+ BACKOFF_SETUP(%o2) -+1: ldx [%o1], %g1 -+ addcc %g1, %o0, %g7 -+ casx [%o1], %g1, %g7 -+ cmp %g1, %g7 -+ bne,pn %xcc, 2f -+ add %g7, %o0, %g7 -+ mov %g7, %o0 -+ retl -+ nop -+2: BACKOFF_SPIN(%o2, %o3, 1b) -+ .size atomic64_add_ret_unchecked, .-atomic64_add_ret_unchecked -+ - .globl atomic64_sub_ret - .type atomic64_sub_ret,#function - atomic64_sub_ret: /* %o0 = decrement, %o1 = atomic_ptr */ - BACKOFF_SETUP(%o2) - 1: ldx [%o1], %g1 -- sub %g1, %o0, %g7 -+ subcc %g1, %o0, %g7 -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ tvs %xcc, 6 -+#endif -+ - casx [%o1], %g1, %g7 - cmp %g1, %g7 - bne,pn %xcc, BACKOFF_LABEL(2f, 1b) -diff -urNp linux-2.6.39.3/arch/sparc/lib/ksyms.c linux-2.6.39.3/arch/sparc/lib/ksyms.c ---- linux-2.6.39.3/arch/sparc/lib/ksyms.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/sparc/lib/ksyms.c 2011-05-22 19:36:30.000000000 -0400 -@@ -142,12 +142,17 @@ EXPORT_SYMBOL(__downgrade_write); - - /* Atomic counter implementation. */ - EXPORT_SYMBOL(atomic_add); -+EXPORT_SYMBOL(atomic_add_unchecked); - EXPORT_SYMBOL(atomic_add_ret); - EXPORT_SYMBOL(atomic_sub); -+EXPORT_SYMBOL(atomic_sub_unchecked); - EXPORT_SYMBOL(atomic_sub_ret); - EXPORT_SYMBOL(atomic64_add); -+EXPORT_SYMBOL(atomic64_add_unchecked); - EXPORT_SYMBOL(atomic64_add_ret); -+EXPORT_SYMBOL(atomic64_add_ret_unchecked); - EXPORT_SYMBOL(atomic64_sub); -+EXPORT_SYMBOL(atomic64_sub_unchecked); - EXPORT_SYMBOL(atomic64_sub_ret); - - /* Atomic bit operations. */ -diff -urNp linux-2.6.39.3/arch/sparc/lib/Makefile linux-2.6.39.3/arch/sparc/lib/Makefile ---- linux-2.6.39.3/arch/sparc/lib/Makefile 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/sparc/lib/Makefile 2011-05-22 19:36:30.000000000 -0400 -@@ -2,7 +2,7 @@ - # - - asflags-y := -ansi -DST_DIV0=0x02 --ccflags-y := -Werror -+#ccflags-y := -Werror - - lib-$(CONFIG_SPARC32) += mul.o rem.o sdiv.o udiv.o umul.o urem.o ashrdi3.o - lib-$(CONFIG_SPARC32) += memcpy.o memset.o -diff -urNp linux-2.6.39.3/arch/sparc/Makefile linux-2.6.39.3/arch/sparc/Makefile ---- linux-2.6.39.3/arch/sparc/Makefile 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/sparc/Makefile 2011-05-22 19:41:32.000000000 -0400 -@@ -75,7 +75,7 @@ drivers-$(CONFIG_OPROFILE) += arch/sparc - # Export what is needed by arch/sparc/boot/Makefile - export VMLINUX_INIT VMLINUX_MAIN - VMLINUX_INIT := $(head-y) $(init-y) --VMLINUX_MAIN := $(core-y) kernel/ mm/ fs/ ipc/ security/ crypto/ block/ -+VMLINUX_MAIN := $(core-y) kernel/ mm/ fs/ ipc/ security/ crypto/ block/ grsecurity/ - VMLINUX_MAIN += $(patsubst %/, %/lib.a, $(libs-y)) $(libs-y) - VMLINUX_MAIN += $(drivers-y) $(net-y) - -diff -urNp linux-2.6.39.3/arch/sparc/mm/fault_32.c linux-2.6.39.3/arch/sparc/mm/fault_32.c ---- linux-2.6.39.3/arch/sparc/mm/fault_32.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/sparc/mm/fault_32.c 2011-05-22 19:36:30.000000000 -0400 -@@ -22,6 +22,9 @@ - #include <linux/interrupt.h> - #include <linux/module.h> - #include <linux/kdebug.h> -+#include <linux/slab.h> -+#include <linux/pagemap.h> -+#include <linux/compiler.h> - - #include <asm/system.h> - #include <asm/page.h> -@@ -209,6 +212,268 @@ static unsigned long compute_si_addr(str - return safe_compute_effective_address(regs, insn); - } - -+#ifdef CONFIG_PAX_PAGEEXEC -+#ifdef CONFIG_PAX_DLRESOLVE -+static void pax_emuplt_close(struct vm_area_struct *vma) -+{ -+ vma->vm_mm->call_dl_resolve = 0UL; -+} -+ -+static int pax_emuplt_fault(struct vm_area_struct *vma, struct vm_fault *vmf) -+{ -+ unsigned int *kaddr; -+ -+ vmf->page = alloc_page(GFP_HIGHUSER); -+ if (!vmf->page) -+ return VM_FAULT_OOM; -+ -+ kaddr = kmap(vmf->page); -+ memset(kaddr, 0, PAGE_SIZE); -+ kaddr[0] = 0x9DE3BFA8U; /* save */ -+ flush_dcache_page(vmf->page); -+ kunmap(vmf->page); -+ return VM_FAULT_MAJOR; -+} -+ -+static const struct vm_operations_struct pax_vm_ops = { -+ .close = pax_emuplt_close, -+ .fault = pax_emuplt_fault -+}; -+ -+static int pax_insert_vma(struct vm_area_struct *vma, unsigned long addr) -+{ -+ int ret; -+ -+ INIT_LIST_HEAD(&vma->anon_vma_chain); -+ vma->vm_mm = current->mm; -+ vma->vm_start = addr; -+ vma->vm_end = addr + PAGE_SIZE; -+ vma->vm_flags = VM_READ | VM_EXEC | VM_MAYREAD | VM_MAYEXEC; -+ vma->vm_page_prot = vm_get_page_prot(vma->vm_flags); -+ vma->vm_ops = &pax_vm_ops; -+ -+ ret = insert_vm_struct(current->mm, vma); -+ if (ret) -+ return ret; -+ -+ ++current->mm->total_vm; -+ return 0; -+} -+#endif -+ -+/* -+ * PaX: decide what to do with offenders (regs->pc = fault address) -+ * -+ * returns 1 when task should be killed -+ * 2 when patched PLT trampoline was detected -+ * 3 when unpatched PLT trampoline was detected -+ */ -+static int pax_handle_fetch_fault(struct pt_regs *regs) -+{ -+ -+#ifdef CONFIG_PAX_EMUPLT -+ int err; -+ -+ do { /* PaX: patched PLT emulation #1 */ -+ unsigned int sethi1, sethi2, jmpl; -+ -+ err = get_user(sethi1, (unsigned int *)regs->pc); -+ err |= get_user(sethi2, (unsigned int *)(regs->pc+4)); -+ err |= get_user(jmpl, (unsigned int *)(regs->pc+8)); -+ -+ if (err) -+ break; -+ -+ if ((sethi1 & 0xFFC00000U) == 0x03000000U && -+ (sethi2 & 0xFFC00000U) == 0x03000000U && -+ (jmpl & 0xFFFFE000U) == 0x81C06000U) -+ { -+ unsigned int addr; -+ -+ regs->u_regs[UREG_G1] = (sethi2 & 0x003FFFFFU) << 10; -+ addr = regs->u_regs[UREG_G1]; -+ addr += (((jmpl | 0xFFFFE000U) ^ 0x00001000U) + 0x00001000U); -+ regs->pc = addr; -+ regs->npc = addr+4; -+ return 2; -+ } -+ } while (0); -+ -+ { /* PaX: patched PLT emulation #2 */ -+ unsigned int ba; -+ -+ err = get_user(ba, (unsigned int *)regs->pc); -+ -+ if (!err && (ba & 0xFFC00000U) == 0x30800000U) { -+ unsigned int addr; -+ -+ addr = regs->pc + ((((ba | 0xFFC00000U) ^ 0x00200000U) + 0x00200000U) << 2); -+ regs->pc = addr; -+ regs->npc = addr+4; -+ return 2; -+ } -+ } -+ -+ do { /* PaX: patched PLT emulation #3 */ -+ unsigned int sethi, jmpl, nop; -+ -+ err = get_user(sethi, (unsigned int *)regs->pc); -+ err |= get_user(jmpl, (unsigned int *)(regs->pc+4)); -+ err |= get_user(nop, (unsigned int *)(regs->pc+8)); -+ -+ if (err) -+ break; -+ -+ if ((sethi & 0xFFC00000U) == 0x03000000U && -+ (jmpl & 0xFFFFE000U) == 0x81C06000U && -+ nop == 0x01000000U) -+ { -+ unsigned int addr; -+ -+ addr = (sethi & 0x003FFFFFU) << 10; -+ regs->u_regs[UREG_G1] = addr; -+ addr += (((jmpl | 0xFFFFE000U) ^ 0x00001000U) + 0x00001000U); -+ regs->pc = addr; -+ regs->npc = addr+4; -+ return 2; -+ } -+ } while (0); -+ -+ do { /* PaX: unpatched PLT emulation step 1 */ -+ unsigned int sethi, ba, nop; -+ -+ err = get_user(sethi, (unsigned int *)regs->pc); -+ err |= get_user(ba, (unsigned int *)(regs->pc+4)); -+ err |= get_user(nop, (unsigned int *)(regs->pc+8)); -+ -+ if (err) -+ break; -+ -+ if ((sethi & 0xFFC00000U) == 0x03000000U && -+ ((ba & 0xFFC00000U) == 0x30800000U || (ba & 0xFFF80000U) == 0x30680000U) && -+ nop == 0x01000000U) -+ { -+ unsigned int addr, save, call; -+ -+ if ((ba & 0xFFC00000U) == 0x30800000U) -+ addr = regs->pc + 4 + ((((ba | 0xFFC00000U) ^ 0x00200000U) + 0x00200000U) << 2); -+ else -+ addr = regs->pc + 4 + ((((ba | 0xFFF80000U) ^ 0x00040000U) + 0x00040000U) << 2); -+ -+ err = get_user(save, (unsigned int *)addr); -+ err |= get_user(call, (unsigned int *)(addr+4)); -+ err |= get_user(nop, (unsigned int *)(addr+8)); -+ if (err) -+ break; -+ -+#ifdef CONFIG_PAX_DLRESOLVE -+ if (save == 0x9DE3BFA8U && -+ (call & 0xC0000000U) == 0x40000000U && -+ nop == 0x01000000U) -+ { -+ struct vm_area_struct *vma; -+ unsigned long call_dl_resolve; -+ -+ down_read(¤t->mm->mmap_sem); -+ call_dl_resolve = current->mm->call_dl_resolve; -+ up_read(¤t->mm->mmap_sem); -+ if (likely(call_dl_resolve)) -+ goto emulate; -+ -+ vma = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL); -+ -+ down_write(¤t->mm->mmap_sem); -+ if (current->mm->call_dl_resolve) { -+ call_dl_resolve = current->mm->call_dl_resolve; -+ up_write(¤t->mm->mmap_sem); -+ if (vma) -+ kmem_cache_free(vm_area_cachep, vma); -+ goto emulate; -+ } -+ -+ call_dl_resolve = get_unmapped_area(NULL, 0UL, PAGE_SIZE, 0UL, MAP_PRIVATE); -+ if (!vma || (call_dl_resolve & ~PAGE_MASK)) { -+ up_write(¤t->mm->mmap_sem); -+ if (vma) -+ kmem_cache_free(vm_area_cachep, vma); -+ return 1; -+ } -+ -+ if (pax_insert_vma(vma, call_dl_resolve)) { -+ up_write(¤t->mm->mmap_sem); -+ kmem_cache_free(vm_area_cachep, vma); -+ return 1; -+ } -+ -+ current->mm->call_dl_resolve = call_dl_resolve; -+ up_write(¤t->mm->mmap_sem); -+ -+emulate: -+ regs->u_regs[UREG_G1] = (sethi & 0x003FFFFFU) << 10; -+ regs->pc = call_dl_resolve; -+ regs->npc = addr+4; -+ return 3; -+ } -+#endif -+ -+ /* PaX: glibc 2.4+ generates sethi/jmpl instead of save/call */ -+ if ((save & 0xFFC00000U) == 0x05000000U && -+ (call & 0xFFFFE000U) == 0x85C0A000U && -+ nop == 0x01000000U) -+ { -+ regs->u_regs[UREG_G1] = (sethi & 0x003FFFFFU) << 10; -+ regs->u_regs[UREG_G2] = addr + 4; -+ addr = (save & 0x003FFFFFU) << 10; -+ addr += (((call | 0xFFFFE000U) ^ 0x00001000U) + 0x00001000U); -+ regs->pc = addr; -+ regs->npc = addr+4; -+ return 3; -+ } -+ } -+ } while (0); -+ -+ do { /* PaX: unpatched PLT emulation step 2 */ -+ unsigned int save, call, nop; -+ -+ err = get_user(save, (unsigned int *)(regs->pc-4)); -+ err |= get_user(call, (unsigned int *)regs->pc); -+ err |= get_user(nop, (unsigned int *)(regs->pc+4)); -+ if (err) -+ break; -+ -+ if (save == 0x9DE3BFA8U && -+ (call & 0xC0000000U) == 0x40000000U && -+ nop == 0x01000000U) -+ { -+ unsigned int dl_resolve = regs->pc + ((((call | 0xC0000000U) ^ 0x20000000U) + 0x20000000U) << 2); -+ -+ regs->u_regs[UREG_RETPC] = regs->pc; -+ regs->pc = dl_resolve; -+ regs->npc = dl_resolve+4; -+ return 3; -+ } -+ } while (0); -+#endif -+ -+ return 1; -+} -+ -+void pax_report_insns(void *pc, void *sp) -+{ -+ unsigned long i; -+ -+ printk(KERN_ERR "PAX: bytes at PC: "); -+ for (i = 0; i < 8; i++) { -+ unsigned int c; -+ if (get_user(c, (unsigned int *)pc+i)) -+ printk(KERN_CONT "???????? "); -+ else -+ printk(KERN_CONT "%08x ", c); -+ } -+ printk("\n"); -+} -+#endif -+ - static noinline void do_fault_siginfo(int code, int sig, struct pt_regs *regs, - int text_fault) - { -@@ -281,6 +546,24 @@ good_area: - if(!(vma->vm_flags & VM_WRITE)) - goto bad_area; - } else { -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+ if ((mm->pax_flags & MF_PAX_PAGEEXEC) && text_fault && !(vma->vm_flags & VM_EXEC)) { -+ up_read(&mm->mmap_sem); -+ switch (pax_handle_fetch_fault(regs)) { -+ -+#ifdef CONFIG_PAX_EMUPLT -+ case 2: -+ case 3: -+ return; -+#endif -+ -+ } -+ pax_report_fault(regs, (void *)regs->pc, (void *)regs->u_regs[UREG_FP]); -+ do_group_exit(SIGKILL); -+ } -+#endif -+ - /* Allow reads even for write-only mappings */ - if(!(vma->vm_flags & (VM_READ | VM_EXEC))) - goto bad_area; -diff -urNp linux-2.6.39.3/arch/sparc/mm/fault_64.c linux-2.6.39.3/arch/sparc/mm/fault_64.c ---- linux-2.6.39.3/arch/sparc/mm/fault_64.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/sparc/mm/fault_64.c 2011-05-22 19:41:32.000000000 -0400 -@@ -21,6 +21,9 @@ - #include <linux/kprobes.h> - #include <linux/kdebug.h> - #include <linux/percpu.h> -+#include <linux/slab.h> -+#include <linux/pagemap.h> -+#include <linux/compiler.h> - - #include <asm/page.h> - #include <asm/pgtable.h> -@@ -74,7 +77,7 @@ static void __kprobes bad_kernel_pc(stru - printk(KERN_CRIT "OOPS: Bogus kernel PC [%016lx] in fault handler\n", - regs->tpc); - printk(KERN_CRIT "OOPS: RPC [%016lx]\n", regs->u_regs[15]); -- printk("OOPS: RPC <%pS>\n", (void *) regs->u_regs[15]); -+ printk("OOPS: RPC <%pA>\n", (void *) regs->u_regs[15]); - printk(KERN_CRIT "OOPS: Fault was to vaddr[%lx]\n", vaddr); - dump_stack(); - unhandled_fault(regs->tpc, current, regs); -@@ -272,6 +275,457 @@ static void noinline __kprobes bogus_32b - show_regs(regs); - } - -+#ifdef CONFIG_PAX_PAGEEXEC -+#ifdef CONFIG_PAX_DLRESOLVE -+static void pax_emuplt_close(struct vm_area_struct *vma) -+{ -+ vma->vm_mm->call_dl_resolve = 0UL; -+} -+ -+static int pax_emuplt_fault(struct vm_area_struct *vma, struct vm_fault *vmf) -+{ -+ unsigned int *kaddr; -+ -+ vmf->page = alloc_page(GFP_HIGHUSER); -+ if (!vmf->page) -+ return VM_FAULT_OOM; -+ -+ kaddr = kmap(vmf->page); -+ memset(kaddr, 0, PAGE_SIZE); -+ kaddr[0] = 0x9DE3BFA8U; /* save */ -+ flush_dcache_page(vmf->page); -+ kunmap(vmf->page); -+ return VM_FAULT_MAJOR; -+} -+ -+static const struct vm_operations_struct pax_vm_ops = { -+ .close = pax_emuplt_close, -+ .fault = pax_emuplt_fault -+}; -+ -+static int pax_insert_vma(struct vm_area_struct *vma, unsigned long addr) -+{ -+ int ret; -+ -+ INIT_LIST_HEAD(&vma->anon_vma_chain); -+ vma->vm_mm = current->mm; -+ vma->vm_start = addr; -+ vma->vm_end = addr + PAGE_SIZE; -+ vma->vm_flags = VM_READ | VM_EXEC | VM_MAYREAD | VM_MAYEXEC; -+ vma->vm_page_prot = vm_get_page_prot(vma->vm_flags); -+ vma->vm_ops = &pax_vm_ops; -+ -+ ret = insert_vm_struct(current->mm, vma); -+ if (ret) -+ return ret; -+ -+ ++current->mm->total_vm; -+ return 0; -+} -+#endif -+ -+/* -+ * PaX: decide what to do with offenders (regs->tpc = fault address) -+ * -+ * returns 1 when task should be killed -+ * 2 when patched PLT trampoline was detected -+ * 3 when unpatched PLT trampoline was detected -+ */ -+static int pax_handle_fetch_fault(struct pt_regs *regs) -+{ -+ -+#ifdef CONFIG_PAX_EMUPLT -+ int err; -+ -+ do { /* PaX: patched PLT emulation #1 */ -+ unsigned int sethi1, sethi2, jmpl; -+ -+ err = get_user(sethi1, (unsigned int *)regs->tpc); -+ err |= get_user(sethi2, (unsigned int *)(regs->tpc+4)); -+ err |= get_user(jmpl, (unsigned int *)(regs->tpc+8)); -+ -+ if (err) -+ break; -+ -+ if ((sethi1 & 0xFFC00000U) == 0x03000000U && -+ (sethi2 & 0xFFC00000U) == 0x03000000U && -+ (jmpl & 0xFFFFE000U) == 0x81C06000U) -+ { -+ unsigned long addr; -+ -+ regs->u_regs[UREG_G1] = (sethi2 & 0x003FFFFFU) << 10; -+ addr = regs->u_regs[UREG_G1]; -+ addr += (((jmpl | 0xFFFFFFFFFFFFE000UL) ^ 0x00001000UL) + 0x00001000UL); -+ -+ if (test_thread_flag(TIF_32BIT)) -+ addr &= 0xFFFFFFFFUL; -+ -+ regs->tpc = addr; -+ regs->tnpc = addr+4; -+ return 2; -+ } -+ } while (0); -+ -+ { /* PaX: patched PLT emulation #2 */ -+ unsigned int ba; -+ -+ err = get_user(ba, (unsigned int *)regs->tpc); -+ -+ if (!err && (ba & 0xFFC00000U) == 0x30800000U) { -+ unsigned long addr; -+ -+ addr = regs->tpc + ((((ba | 0xFFFFFFFFFFC00000UL) ^ 0x00200000UL) + 0x00200000UL) << 2); -+ -+ if (test_thread_flag(TIF_32BIT)) -+ addr &= 0xFFFFFFFFUL; -+ -+ regs->tpc = addr; -+ regs->tnpc = addr+4; -+ return 2; -+ } -+ } -+ -+ do { /* PaX: patched PLT emulation #3 */ -+ unsigned int sethi, jmpl, nop; -+ -+ err = get_user(sethi, (unsigned int *)regs->tpc); -+ err |= get_user(jmpl, (unsigned int *)(regs->tpc+4)); -+ err |= get_user(nop, (unsigned int *)(regs->tpc+8)); -+ -+ if (err) -+ break; -+ -+ if ((sethi & 0xFFC00000U) == 0x03000000U && -+ (jmpl & 0xFFFFE000U) == 0x81C06000U && -+ nop == 0x01000000U) -+ { -+ unsigned long addr; -+ -+ addr = (sethi & 0x003FFFFFU) << 10; -+ regs->u_regs[UREG_G1] = addr; -+ addr += (((jmpl | 0xFFFFFFFFFFFFE000UL) ^ 0x00001000UL) + 0x00001000UL); -+ -+ if (test_thread_flag(TIF_32BIT)) -+ addr &= 0xFFFFFFFFUL; -+ -+ regs->tpc = addr; -+ regs->tnpc = addr+4; -+ return 2; -+ } -+ } while (0); -+ -+ do { /* PaX: patched PLT emulation #4 */ -+ unsigned int sethi, mov1, call, mov2; -+ -+ err = get_user(sethi, (unsigned int *)regs->tpc); -+ err |= get_user(mov1, (unsigned int *)(regs->tpc+4)); -+ err |= get_user(call, (unsigned int *)(regs->tpc+8)); -+ err |= get_user(mov2, (unsigned int *)(regs->tpc+12)); -+ -+ if (err) -+ break; -+ -+ if ((sethi & 0xFFC00000U) == 0x03000000U && -+ mov1 == 0x8210000FU && -+ (call & 0xC0000000U) == 0x40000000U && -+ mov2 == 0x9E100001U) -+ { -+ unsigned long addr; -+ -+ regs->u_regs[UREG_G1] = regs->u_regs[UREG_RETPC]; -+ addr = regs->tpc + 4 + ((((call | 0xFFFFFFFFC0000000UL) ^ 0x20000000UL) + 0x20000000UL) << 2); -+ -+ if (test_thread_flag(TIF_32BIT)) -+ addr &= 0xFFFFFFFFUL; -+ -+ regs->tpc = addr; -+ regs->tnpc = addr+4; -+ return 2; -+ } -+ } while (0); -+ -+ do { /* PaX: patched PLT emulation #5 */ -+ unsigned int sethi, sethi1, sethi2, or1, or2, sllx, jmpl, nop; -+ -+ err = get_user(sethi, (unsigned int *)regs->tpc); -+ err |= get_user(sethi1, (unsigned int *)(regs->tpc+4)); -+ err |= get_user(sethi2, (unsigned int *)(regs->tpc+8)); -+ err |= get_user(or1, (unsigned int *)(regs->tpc+12)); -+ err |= get_user(or2, (unsigned int *)(regs->tpc+16)); -+ err |= get_user(sllx, (unsigned int *)(regs->tpc+20)); -+ err |= get_user(jmpl, (unsigned int *)(regs->tpc+24)); -+ err |= get_user(nop, (unsigned int *)(regs->tpc+28)); -+ -+ if (err) -+ break; -+ -+ if ((sethi & 0xFFC00000U) == 0x03000000U && -+ (sethi1 & 0xFFC00000U) == 0x03000000U && -+ (sethi2 & 0xFFC00000U) == 0x0B000000U && -+ (or1 & 0xFFFFE000U) == 0x82106000U && -+ (or2 & 0xFFFFE000U) == 0x8A116000U && -+ sllx == 0x83287020U && -+ jmpl == 0x81C04005U && -+ nop == 0x01000000U) -+ { -+ unsigned long addr; -+ -+ regs->u_regs[UREG_G1] = ((sethi1 & 0x003FFFFFU) << 10) | (or1 & 0x000003FFU); -+ regs->u_regs[UREG_G1] <<= 32; -+ regs->u_regs[UREG_G5] = ((sethi2 & 0x003FFFFFU) << 10) | (or2 & 0x000003FFU); -+ addr = regs->u_regs[UREG_G1] + regs->u_regs[UREG_G5]; -+ regs->tpc = addr; -+ regs->tnpc = addr+4; -+ return 2; -+ } -+ } while (0); -+ -+ do { /* PaX: patched PLT emulation #6 */ -+ unsigned int sethi, sethi1, sethi2, sllx, or, jmpl, nop; -+ -+ err = get_user(sethi, (unsigned int *)regs->tpc); -+ err |= get_user(sethi1, (unsigned int *)(regs->tpc+4)); -+ err |= get_user(sethi2, (unsigned int *)(regs->tpc+8)); -+ err |= get_user(sllx, (unsigned int *)(regs->tpc+12)); -+ err |= get_user(or, (unsigned int *)(regs->tpc+16)); -+ err |= get_user(jmpl, (unsigned int *)(regs->tpc+20)); -+ err |= get_user(nop, (unsigned int *)(regs->tpc+24)); -+ -+ if (err) -+ break; -+ -+ if ((sethi & 0xFFC00000U) == 0x03000000U && -+ (sethi1 & 0xFFC00000U) == 0x03000000U && -+ (sethi2 & 0xFFC00000U) == 0x0B000000U && -+ sllx == 0x83287020U && -+ (or & 0xFFFFE000U) == 0x8A116000U && -+ jmpl == 0x81C04005U && -+ nop == 0x01000000U) -+ { -+ unsigned long addr; -+ -+ regs->u_regs[UREG_G1] = (sethi1 & 0x003FFFFFU) << 10; -+ regs->u_regs[UREG_G1] <<= 32; -+ regs->u_regs[UREG_G5] = ((sethi2 & 0x003FFFFFU) << 10) | (or & 0x3FFU); -+ addr = regs->u_regs[UREG_G1] + regs->u_regs[UREG_G5]; -+ regs->tpc = addr; -+ regs->tnpc = addr+4; -+ return 2; -+ } -+ } while (0); -+ -+ do { /* PaX: unpatched PLT emulation step 1 */ -+ unsigned int sethi, ba, nop; -+ -+ err = get_user(sethi, (unsigned int *)regs->tpc); -+ err |= get_user(ba, (unsigned int *)(regs->tpc+4)); -+ err |= get_user(nop, (unsigned int *)(regs->tpc+8)); -+ -+ if (err) -+ break; -+ -+ if ((sethi & 0xFFC00000U) == 0x03000000U && -+ ((ba & 0xFFC00000U) == 0x30800000U || (ba & 0xFFF80000U) == 0x30680000U) && -+ nop == 0x01000000U) -+ { -+ unsigned long addr; -+ unsigned int save, call; -+ unsigned int sethi1, sethi2, or1, or2, sllx, add, jmpl; -+ -+ if ((ba & 0xFFC00000U) == 0x30800000U) -+ addr = regs->tpc + 4 + ((((ba | 0xFFFFFFFFFFC00000UL) ^ 0x00200000UL) + 0x00200000UL) << 2); -+ else -+ addr = regs->tpc + 4 + ((((ba | 0xFFFFFFFFFFF80000UL) ^ 0x00040000UL) + 0x00040000UL) << 2); -+ -+ if (test_thread_flag(TIF_32BIT)) -+ addr &= 0xFFFFFFFFUL; -+ -+ err = get_user(save, (unsigned int *)addr); -+ err |= get_user(call, (unsigned int *)(addr+4)); -+ err |= get_user(nop, (unsigned int *)(addr+8)); -+ if (err) -+ break; -+ -+#ifdef CONFIG_PAX_DLRESOLVE -+ if (save == 0x9DE3BFA8U && -+ (call & 0xC0000000U) == 0x40000000U && -+ nop == 0x01000000U) -+ { -+ struct vm_area_struct *vma; -+ unsigned long call_dl_resolve; -+ -+ down_read(¤t->mm->mmap_sem); -+ call_dl_resolve = current->mm->call_dl_resolve; -+ up_read(¤t->mm->mmap_sem); -+ if (likely(call_dl_resolve)) -+ goto emulate; -+ -+ vma = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL); -+ -+ down_write(¤t->mm->mmap_sem); -+ if (current->mm->call_dl_resolve) { -+ call_dl_resolve = current->mm->call_dl_resolve; -+ up_write(¤t->mm->mmap_sem); -+ if (vma) -+ kmem_cache_free(vm_area_cachep, vma); -+ goto emulate; -+ } -+ -+ call_dl_resolve = get_unmapped_area(NULL, 0UL, PAGE_SIZE, 0UL, MAP_PRIVATE); -+ if (!vma || (call_dl_resolve & ~PAGE_MASK)) { -+ up_write(¤t->mm->mmap_sem); -+ if (vma) -+ kmem_cache_free(vm_area_cachep, vma); -+ return 1; -+ } -+ -+ if (pax_insert_vma(vma, call_dl_resolve)) { -+ up_write(¤t->mm->mmap_sem); -+ kmem_cache_free(vm_area_cachep, vma); -+ return 1; -+ } -+ -+ current->mm->call_dl_resolve = call_dl_resolve; -+ up_write(¤t->mm->mmap_sem); -+ -+emulate: -+ regs->u_regs[UREG_G1] = (sethi & 0x003FFFFFU) << 10; -+ regs->tpc = call_dl_resolve; -+ regs->tnpc = addr+4; -+ return 3; -+ } -+#endif -+ -+ /* PaX: glibc 2.4+ generates sethi/jmpl instead of save/call */ -+ if ((save & 0xFFC00000U) == 0x05000000U && -+ (call & 0xFFFFE000U) == 0x85C0A000U && -+ nop == 0x01000000U) -+ { -+ regs->u_regs[UREG_G1] = (sethi & 0x003FFFFFU) << 10; -+ regs->u_regs[UREG_G2] = addr + 4; -+ addr = (save & 0x003FFFFFU) << 10; -+ addr += (((call | 0xFFFFFFFFFFFFE000UL) ^ 0x00001000UL) + 0x00001000UL); -+ -+ if (test_thread_flag(TIF_32BIT)) -+ addr &= 0xFFFFFFFFUL; -+ -+ regs->tpc = addr; -+ regs->tnpc = addr+4; -+ return 3; -+ } -+ -+ /* PaX: 64-bit PLT stub */ -+ err = get_user(sethi1, (unsigned int *)addr); -+ err |= get_user(sethi2, (unsigned int *)(addr+4)); -+ err |= get_user(or1, (unsigned int *)(addr+8)); -+ err |= get_user(or2, (unsigned int *)(addr+12)); -+ err |= get_user(sllx, (unsigned int *)(addr+16)); -+ err |= get_user(add, (unsigned int *)(addr+20)); -+ err |= get_user(jmpl, (unsigned int *)(addr+24)); -+ err |= get_user(nop, (unsigned int *)(addr+28)); -+ if (err) -+ break; -+ -+ if ((sethi1 & 0xFFC00000U) == 0x09000000U && -+ (sethi2 & 0xFFC00000U) == 0x0B000000U && -+ (or1 & 0xFFFFE000U) == 0x88112000U && -+ (or2 & 0xFFFFE000U) == 0x8A116000U && -+ sllx == 0x89293020U && -+ add == 0x8A010005U && -+ jmpl == 0x89C14000U && -+ nop == 0x01000000U) -+ { -+ regs->u_regs[UREG_G1] = (sethi & 0x003FFFFFU) << 10; -+ regs->u_regs[UREG_G4] = ((sethi1 & 0x003FFFFFU) << 10) | (or1 & 0x000003FFU); -+ regs->u_regs[UREG_G4] <<= 32; -+ regs->u_regs[UREG_G5] = ((sethi2 & 0x003FFFFFU) << 10) | (or2 & 0x000003FFU); -+ regs->u_regs[UREG_G5] += regs->u_regs[UREG_G4]; -+ regs->u_regs[UREG_G4] = addr + 24; -+ addr = regs->u_regs[UREG_G5]; -+ regs->tpc = addr; -+ regs->tnpc = addr+4; -+ return 3; -+ } -+ } -+ } while (0); -+ -+#ifdef CONFIG_PAX_DLRESOLVE -+ do { /* PaX: unpatched PLT emulation step 2 */ -+ unsigned int save, call, nop; -+ -+ err = get_user(save, (unsigned int *)(regs->tpc-4)); -+ err |= get_user(call, (unsigned int *)regs->tpc); -+ err |= get_user(nop, (unsigned int *)(regs->tpc+4)); -+ if (err) -+ break; -+ -+ if (save == 0x9DE3BFA8U && -+ (call & 0xC0000000U) == 0x40000000U && -+ nop == 0x01000000U) -+ { -+ unsigned long dl_resolve = regs->tpc + ((((call | 0xFFFFFFFFC0000000UL) ^ 0x20000000UL) + 0x20000000UL) << 2); -+ -+ if (test_thread_flag(TIF_32BIT)) -+ dl_resolve &= 0xFFFFFFFFUL; -+ -+ regs->u_regs[UREG_RETPC] = regs->tpc; -+ regs->tpc = dl_resolve; -+ regs->tnpc = dl_resolve+4; -+ return 3; -+ } -+ } while (0); -+#endif -+ -+ do { /* PaX: patched PLT emulation #7, must be AFTER the unpatched PLT emulation */ -+ unsigned int sethi, ba, nop; -+ -+ err = get_user(sethi, (unsigned int *)regs->tpc); -+ err |= get_user(ba, (unsigned int *)(regs->tpc+4)); -+ err |= get_user(nop, (unsigned int *)(regs->tpc+8)); -+ -+ if (err) -+ break; -+ -+ if ((sethi & 0xFFC00000U) == 0x03000000U && -+ (ba & 0xFFF00000U) == 0x30600000U && -+ nop == 0x01000000U) -+ { -+ unsigned long addr; -+ -+ addr = (sethi & 0x003FFFFFU) << 10; -+ regs->u_regs[UREG_G1] = addr; -+ addr = regs->tpc + ((((ba | 0xFFFFFFFFFFF80000UL) ^ 0x00040000UL) + 0x00040000UL) << 2); -+ -+ if (test_thread_flag(TIF_32BIT)) -+ addr &= 0xFFFFFFFFUL; -+ -+ regs->tpc = addr; -+ regs->tnpc = addr+4; -+ return 2; -+ } -+ } while (0); -+ -+#endif -+ -+ return 1; -+} -+ -+void pax_report_insns(void *pc, void *sp) -+{ -+ unsigned long i; -+ -+ printk(KERN_ERR "PAX: bytes at PC: "); -+ for (i = 0; i < 8; i++) { -+ unsigned int c; -+ if (get_user(c, (unsigned int *)pc+i)) -+ printk(KERN_CONT "???????? "); -+ else -+ printk(KERN_CONT "%08x ", c); -+ } -+ printk("\n"); -+} -+#endif -+ - asmlinkage void __kprobes do_sparc64_fault(struct pt_regs *regs) - { - struct mm_struct *mm = current->mm; -@@ -340,6 +794,29 @@ asmlinkage void __kprobes do_sparc64_fau - if (!vma) - goto bad_area; - -+#ifdef CONFIG_PAX_PAGEEXEC -+ /* PaX: detect ITLB misses on non-exec pages */ -+ if ((mm->pax_flags & MF_PAX_PAGEEXEC) && vma->vm_start <= address && -+ !(vma->vm_flags & VM_EXEC) && (fault_code & FAULT_CODE_ITLB)) -+ { -+ if (address != regs->tpc) -+ goto good_area; -+ -+ up_read(&mm->mmap_sem); -+ switch (pax_handle_fetch_fault(regs)) { -+ -+#ifdef CONFIG_PAX_EMUPLT -+ case 2: -+ case 3: -+ return; -+#endif -+ -+ } -+ pax_report_fault(regs, (void *)regs->tpc, (void *)(regs->u_regs[UREG_FP] + STACK_BIAS)); -+ do_group_exit(SIGKILL); -+ } -+#endif -+ - /* Pure DTLB misses do not tell us whether the fault causing - * load/store/atomic was a write or not, it only says that there - * was no match. So in such a case we (carefully) read the -diff -urNp linux-2.6.39.3/arch/sparc/mm/hugetlbpage.c linux-2.6.39.3/arch/sparc/mm/hugetlbpage.c ---- linux-2.6.39.3/arch/sparc/mm/hugetlbpage.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/sparc/mm/hugetlbpage.c 2011-05-22 19:36:30.000000000 -0400 -@@ -68,7 +68,7 @@ full_search: - } - return -ENOMEM; - } -- if (likely(!vma || addr + len <= vma->vm_start)) { -+ if (likely(check_heap_stack_gap(vma, addr, len))) { - /* - * Remember the place where we stopped the search: - */ -@@ -107,7 +107,7 @@ hugetlb_get_unmapped_area_topdown(struct - /* make sure it can fit in the remaining address space */ - if (likely(addr > len)) { - vma = find_vma(mm, addr-len); -- if (!vma || addr <= vma->vm_start) { -+ if (check_heap_stack_gap(vma, addr - len, len)) { - /* remember the address as a hint for next time */ - return (mm->free_area_cache = addr-len); - } -@@ -116,16 +116,17 @@ hugetlb_get_unmapped_area_topdown(struct - if (unlikely(mm->mmap_base < len)) - goto bottomup; - -- addr = (mm->mmap_base-len) & HPAGE_MASK; -+ addr = mm->mmap_base - len; - - do { -+ addr &= HPAGE_MASK; - /* - * Lookup failure means no vma is above this address, - * else if new region fits below vma->vm_start, - * return with success: - */ - vma = find_vma(mm, addr); -- if (likely(!vma || addr+len <= vma->vm_start)) { -+ if (likely(check_heap_stack_gap(vma, addr, len))) { - /* remember the address as a hint for next time */ - return (mm->free_area_cache = addr); - } -@@ -135,8 +136,8 @@ hugetlb_get_unmapped_area_topdown(struct - mm->cached_hole_size = vma->vm_start - addr; - - /* try just below the current vma->vm_start */ -- addr = (vma->vm_start-len) & HPAGE_MASK; -- } while (likely(len < vma->vm_start)); -+ addr = skip_heap_stack_gap(vma, len); -+ } while (!IS_ERR_VALUE(addr)); - - bottomup: - /* -@@ -182,8 +183,7 @@ hugetlb_get_unmapped_area(struct file *f - if (addr) { - addr = ALIGN(addr, HPAGE_SIZE); - vma = find_vma(mm, addr); -- if (task_size - len >= addr && -- (!vma || addr + len <= vma->vm_start)) -+ if (task_size - len >= addr && check_heap_stack_gap(vma, addr, len)) - return addr; - } - if (mm->get_unmapped_area == arch_get_unmapped_area) -diff -urNp linux-2.6.39.3/arch/sparc/mm/init_32.c linux-2.6.39.3/arch/sparc/mm/init_32.c ---- linux-2.6.39.3/arch/sparc/mm/init_32.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/sparc/mm/init_32.c 2011-05-22 19:36:30.000000000 -0400 -@@ -318,6 +318,9 @@ extern void device_scan(void); - pgprot_t PAGE_SHARED __read_mostly; - EXPORT_SYMBOL(PAGE_SHARED); - -+pgprot_t PAGE_SHARED_NOEXEC __read_mostly; -+EXPORT_SYMBOL(PAGE_SHARED_NOEXEC); -+ - void __init paging_init(void) - { - switch(sparc_cpu_model) { -@@ -346,17 +349,17 @@ void __init paging_init(void) - - /* Initialize the protection map with non-constant, MMU dependent values. */ - protection_map[0] = PAGE_NONE; -- protection_map[1] = PAGE_READONLY; -- protection_map[2] = PAGE_COPY; -- protection_map[3] = PAGE_COPY; -+ protection_map[1] = PAGE_READONLY_NOEXEC; -+ protection_map[2] = PAGE_COPY_NOEXEC; -+ protection_map[3] = PAGE_COPY_NOEXEC; - protection_map[4] = PAGE_READONLY; - protection_map[5] = PAGE_READONLY; - protection_map[6] = PAGE_COPY; - protection_map[7] = PAGE_COPY; - protection_map[8] = PAGE_NONE; -- protection_map[9] = PAGE_READONLY; -- protection_map[10] = PAGE_SHARED; -- protection_map[11] = PAGE_SHARED; -+ protection_map[9] = PAGE_READONLY_NOEXEC; -+ protection_map[10] = PAGE_SHARED_NOEXEC; -+ protection_map[11] = PAGE_SHARED_NOEXEC; - protection_map[12] = PAGE_READONLY; - protection_map[13] = PAGE_READONLY; - protection_map[14] = PAGE_SHARED; -diff -urNp linux-2.6.39.3/arch/sparc/mm/Makefile linux-2.6.39.3/arch/sparc/mm/Makefile ---- linux-2.6.39.3/arch/sparc/mm/Makefile 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/sparc/mm/Makefile 2011-05-22 19:36:30.000000000 -0400 -@@ -2,7 +2,7 @@ - # - - asflags-y := -ansi --ccflags-y := -Werror -+#ccflags-y := -Werror - - obj-$(CONFIG_SPARC64) += ultra.o tlb.o tsb.o - obj-y += fault_$(BITS).o -diff -urNp linux-2.6.39.3/arch/sparc/mm/srmmu.c linux-2.6.39.3/arch/sparc/mm/srmmu.c ---- linux-2.6.39.3/arch/sparc/mm/srmmu.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/sparc/mm/srmmu.c 2011-05-22 19:36:30.000000000 -0400 -@@ -2200,6 +2200,13 @@ void __init ld_mmu_srmmu(void) - PAGE_SHARED = pgprot_val(SRMMU_PAGE_SHARED); - BTFIXUPSET_INT(page_copy, pgprot_val(SRMMU_PAGE_COPY)); - BTFIXUPSET_INT(page_readonly, pgprot_val(SRMMU_PAGE_RDONLY)); -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+ PAGE_SHARED_NOEXEC = pgprot_val(SRMMU_PAGE_SHARED_NOEXEC); -+ BTFIXUPSET_INT(page_copy_noexec, pgprot_val(SRMMU_PAGE_COPY_NOEXEC)); -+ BTFIXUPSET_INT(page_readonly_noexec, pgprot_val(SRMMU_PAGE_RDONLY_NOEXEC)); -+#endif -+ - BTFIXUPSET_INT(page_kernel, pgprot_val(SRMMU_PAGE_KERNEL)); - page_kernel = pgprot_val(SRMMU_PAGE_KERNEL); - -diff -urNp linux-2.6.39.3/arch/tile/kernel/pci.c linux-2.6.39.3/arch/tile/kernel/pci.c ---- linux-2.6.39.3/arch/tile/kernel/pci.c 2011-06-25 12:55:22.000000000 -0400 -+++ linux-2.6.39.3/arch/tile/kernel/pci.c 2011-06-25 13:00:25.000000000 -0400 -@@ -60,7 +60,7 @@ int __write_once tile_plx_gen1; - static struct pci_controller controllers[TILE_NUM_PCIE]; - static int num_controllers; - --static struct pci_ops tile_cfg_ops; -+static const struct pci_ops tile_cfg_ops; - - - /* -@@ -563,7 +563,7 @@ static int __devinit tile_cfg_write(stru - } - - --static struct pci_ops tile_cfg_ops = { -+static const struct pci_ops tile_cfg_ops = { - .read = tile_cfg_read, - .write = tile_cfg_write, - }; -diff -urNp linux-2.6.39.3/arch/um/include/asm/kmap_types.h linux-2.6.39.3/arch/um/include/asm/kmap_types.h ---- linux-2.6.39.3/arch/um/include/asm/kmap_types.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/um/include/asm/kmap_types.h 2011-05-22 19:36:30.000000000 -0400 -@@ -23,6 +23,7 @@ enum km_type { - KM_IRQ1, - KM_SOFTIRQ0, - KM_SOFTIRQ1, -+ KM_CLEARPAGE, - KM_TYPE_NR - }; - -diff -urNp linux-2.6.39.3/arch/um/include/asm/page.h linux-2.6.39.3/arch/um/include/asm/page.h ---- linux-2.6.39.3/arch/um/include/asm/page.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/um/include/asm/page.h 2011-05-22 19:36:30.000000000 -0400 -@@ -14,6 +14,9 @@ - #define PAGE_SIZE (_AC(1, UL) << PAGE_SHIFT) - #define PAGE_MASK (~(PAGE_SIZE-1)) - -+#define ktla_ktva(addr) (addr) -+#define ktva_ktla(addr) (addr) -+ - #ifndef __ASSEMBLY__ - - struct page; -diff -urNp linux-2.6.39.3/arch/um/kernel/process.c linux-2.6.39.3/arch/um/kernel/process.c ---- linux-2.6.39.3/arch/um/kernel/process.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/um/kernel/process.c 2011-05-22 19:36:30.000000000 -0400 -@@ -404,22 +404,6 @@ int singlestepping(void * t) - return 2; - } - --/* -- * Only x86 and x86_64 have an arch_align_stack(). -- * All other arches have "#define arch_align_stack(x) (x)" -- * in their asm/system.h -- * As this is included in UML from asm-um/system-generic.h, -- * we can use it to behave as the subarch does. -- */ --#ifndef arch_align_stack --unsigned long arch_align_stack(unsigned long sp) --{ -- if (!(current->personality & ADDR_NO_RANDOMIZE) && randomize_va_space) -- sp -= get_random_int() % 8192; -- return sp & ~0xf; --} --#endif -- - unsigned long get_wchan(struct task_struct *p) - { - unsigned long stack_page, sp, ip; -diff -urNp linux-2.6.39.3/arch/um/sys-i386/syscalls.c linux-2.6.39.3/arch/um/sys-i386/syscalls.c ---- linux-2.6.39.3/arch/um/sys-i386/syscalls.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/um/sys-i386/syscalls.c 2011-05-22 19:36:30.000000000 -0400 -@@ -11,6 +11,21 @@ - #include "asm/uaccess.h" - #include "asm/unistd.h" - -+int i386_mmap_check(unsigned long addr, unsigned long len, unsigned long flags) -+{ -+ unsigned long pax_task_size = TASK_SIZE; -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (current->mm->pax_flags & MF_PAX_SEGMEXEC) -+ pax_task_size = SEGMEXEC_TASK_SIZE; -+#endif -+ -+ if (len > pax_task_size || addr > pax_task_size - len) -+ return -EINVAL; -+ -+ return 0; -+} -+ - /* - * The prototype on i386 is: - * -diff -urNp linux-2.6.39.3/arch/unicore32/kernel/pci.c linux-2.6.39.3/arch/unicore32/kernel/pci.c ---- linux-2.6.39.3/arch/unicore32/kernel/pci.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/unicore32/kernel/pci.c 2011-05-22 19:36:30.000000000 -0400 -@@ -66,7 +66,7 @@ puv3_write_config(struct pci_bus *bus, u - return PCIBIOS_SUCCESSFUL; - } - --struct pci_ops pci_puv3_ops = { -+const struct pci_ops pci_puv3_ops = { - .read = puv3_read_config, - .write = puv3_write_config, - }; -diff -urNp linux-2.6.39.3/arch/x86/boot/bitops.h linux-2.6.39.3/arch/x86/boot/bitops.h ---- linux-2.6.39.3/arch/x86/boot/bitops.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/boot/bitops.h 2011-05-22 19:36:30.000000000 -0400 -@@ -26,7 +26,7 @@ static inline int variable_test_bit(int - u8 v; - const u32 *p = (const u32 *)addr; - -- asm("btl %2,%1; setc %0" : "=qm" (v) : "m" (*p), "Ir" (nr)); -+ asm volatile("btl %2,%1; setc %0" : "=qm" (v) : "m" (*p), "Ir" (nr)); - return v; - } - -@@ -37,7 +37,7 @@ static inline int variable_test_bit(int - - static inline void set_bit(int nr, void *addr) - { -- asm("btsl %1,%0" : "+m" (*(u32 *)addr) : "Ir" (nr)); -+ asm volatile("btsl %1,%0" : "+m" (*(u32 *)addr) : "Ir" (nr)); - } - - #endif /* BOOT_BITOPS_H */ -diff -urNp linux-2.6.39.3/arch/x86/boot/boot.h linux-2.6.39.3/arch/x86/boot/boot.h ---- linux-2.6.39.3/arch/x86/boot/boot.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/boot/boot.h 2011-05-22 19:36:30.000000000 -0400 -@@ -85,7 +85,7 @@ static inline void io_delay(void) - static inline u16 ds(void) - { - u16 seg; -- asm("movw %%ds,%0" : "=rm" (seg)); -+ asm volatile("movw %%ds,%0" : "=rm" (seg)); - return seg; - } - -@@ -181,7 +181,7 @@ static inline void wrgs32(u32 v, addr_t - static inline int memcmp(const void *s1, const void *s2, size_t len) - { - u8 diff; -- asm("repe; cmpsb; setnz %0" -+ asm volatile("repe; cmpsb; setnz %0" - : "=qm" (diff), "+D" (s1), "+S" (s2), "+c" (len)); - return diff; - } -diff -urNp linux-2.6.39.3/arch/x86/boot/compressed/head_32.S linux-2.6.39.3/arch/x86/boot/compressed/head_32.S ---- linux-2.6.39.3/arch/x86/boot/compressed/head_32.S 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/boot/compressed/head_32.S 2011-05-22 19:36:30.000000000 -0400 -@@ -76,7 +76,7 @@ ENTRY(startup_32) - notl %eax - andl %eax, %ebx - #else -- movl $LOAD_PHYSICAL_ADDR, %ebx -+ movl $____LOAD_PHYSICAL_ADDR, %ebx - #endif - - /* Target address to relocate to for decompression */ -@@ -162,7 +162,7 @@ relocated: - * and where it was actually loaded. - */ - movl %ebp, %ebx -- subl $LOAD_PHYSICAL_ADDR, %ebx -+ subl $____LOAD_PHYSICAL_ADDR, %ebx - jz 2f /* Nothing to be done if loaded at compiled addr. */ - /* - * Process relocations. -@@ -170,8 +170,7 @@ relocated: - - 1: subl $4, %edi - movl (%edi), %ecx -- testl %ecx, %ecx -- jz 2f -+ jecxz 2f - addl %ebx, -__PAGE_OFFSET(%ebx, %ecx) - jmp 1b - 2: -diff -urNp linux-2.6.39.3/arch/x86/boot/compressed/head_64.S linux-2.6.39.3/arch/x86/boot/compressed/head_64.S ---- linux-2.6.39.3/arch/x86/boot/compressed/head_64.S 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/boot/compressed/head_64.S 2011-05-22 19:36:30.000000000 -0400 -@@ -91,7 +91,7 @@ ENTRY(startup_32) - notl %eax - andl %eax, %ebx - #else -- movl $LOAD_PHYSICAL_ADDR, %ebx -+ movl $____LOAD_PHYSICAL_ADDR, %ebx - #endif - - /* Target address to relocate to for decompression */ -@@ -233,7 +233,7 @@ ENTRY(startup_64) - notq %rax - andq %rax, %rbp - #else -- movq $LOAD_PHYSICAL_ADDR, %rbp -+ movq $____LOAD_PHYSICAL_ADDR, %rbp - #endif - - /* Target address to relocate to for decompression */ -diff -urNp linux-2.6.39.3/arch/x86/boot/compressed/misc.c linux-2.6.39.3/arch/x86/boot/compressed/misc.c ---- linux-2.6.39.3/arch/x86/boot/compressed/misc.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/boot/compressed/misc.c 2011-05-22 19:36:30.000000000 -0400 -@@ -310,7 +310,7 @@ static void parse_elf(void *output) - case PT_LOAD: - #ifdef CONFIG_RELOCATABLE - dest = output; -- dest += (phdr->p_paddr - LOAD_PHYSICAL_ADDR); -+ dest += (phdr->p_paddr - ____LOAD_PHYSICAL_ADDR); - #else - dest = (void *)(phdr->p_paddr); - #endif -@@ -363,7 +363,7 @@ asmlinkage void decompress_kernel(void * - error("Destination address too large"); - #endif - #ifndef CONFIG_RELOCATABLE -- if ((unsigned long)output != LOAD_PHYSICAL_ADDR) -+ if ((unsigned long)output != ____LOAD_PHYSICAL_ADDR) - error("Wrong destination address"); - #endif - -diff -urNp linux-2.6.39.3/arch/x86/boot/compressed/relocs.c linux-2.6.39.3/arch/x86/boot/compressed/relocs.c ---- linux-2.6.39.3/arch/x86/boot/compressed/relocs.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/boot/compressed/relocs.c 2011-05-22 19:36:30.000000000 -0400 -@@ -13,8 +13,11 @@ - - static void die(char *fmt, ...); - -+#include "../../../../include/generated/autoconf.h" -+ - #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) - static Elf32_Ehdr ehdr; -+static Elf32_Phdr *phdr; - static unsigned long reloc_count, reloc_idx; - static unsigned long *relocs; - -@@ -270,9 +273,39 @@ static void read_ehdr(FILE *fp) - } - } - -+static void read_phdrs(FILE *fp) -+{ -+ unsigned int i; -+ -+ phdr = calloc(ehdr.e_phnum, sizeof(Elf32_Phdr)); -+ if (!phdr) { -+ die("Unable to allocate %d program headers\n", -+ ehdr.e_phnum); -+ } -+ if (fseek(fp, ehdr.e_phoff, SEEK_SET) < 0) { -+ die("Seek to %d failed: %s\n", -+ ehdr.e_phoff, strerror(errno)); -+ } -+ if (fread(phdr, sizeof(*phdr), ehdr.e_phnum, fp) != ehdr.e_phnum) { -+ die("Cannot read ELF program headers: %s\n", -+ strerror(errno)); -+ } -+ for(i = 0; i < ehdr.e_phnum; i++) { -+ phdr[i].p_type = elf32_to_cpu(phdr[i].p_type); -+ phdr[i].p_offset = elf32_to_cpu(phdr[i].p_offset); -+ phdr[i].p_vaddr = elf32_to_cpu(phdr[i].p_vaddr); -+ phdr[i].p_paddr = elf32_to_cpu(phdr[i].p_paddr); -+ phdr[i].p_filesz = elf32_to_cpu(phdr[i].p_filesz); -+ phdr[i].p_memsz = elf32_to_cpu(phdr[i].p_memsz); -+ phdr[i].p_flags = elf32_to_cpu(phdr[i].p_flags); -+ phdr[i].p_align = elf32_to_cpu(phdr[i].p_align); -+ } -+ -+} -+ - static void read_shdrs(FILE *fp) - { -- int i; -+ unsigned int i; - Elf32_Shdr shdr; - - secs = calloc(ehdr.e_shnum, sizeof(struct section)); -@@ -307,7 +340,7 @@ static void read_shdrs(FILE *fp) - - static void read_strtabs(FILE *fp) - { -- int i; -+ unsigned int i; - for (i = 0; i < ehdr.e_shnum; i++) { - struct section *sec = &secs[i]; - if (sec->shdr.sh_type != SHT_STRTAB) { -@@ -332,7 +365,7 @@ static void read_strtabs(FILE *fp) - - static void read_symtabs(FILE *fp) - { -- int i,j; -+ unsigned int i,j; - for (i = 0; i < ehdr.e_shnum; i++) { - struct section *sec = &secs[i]; - if (sec->shdr.sh_type != SHT_SYMTAB) { -@@ -365,7 +398,9 @@ static void read_symtabs(FILE *fp) - - static void read_relocs(FILE *fp) - { -- int i,j; -+ unsigned int i,j; -+ uint32_t base; -+ - for (i = 0; i < ehdr.e_shnum; i++) { - struct section *sec = &secs[i]; - if (sec->shdr.sh_type != SHT_REL) { -@@ -385,9 +420,18 @@ static void read_relocs(FILE *fp) - die("Cannot read symbol table: %s\n", - strerror(errno)); - } -+ base = 0; -+ for (j = 0; j < ehdr.e_phnum; j++) { -+ if (phdr[j].p_type != PT_LOAD ) -+ continue; -+ if (secs[sec->shdr.sh_info].shdr.sh_offset < phdr[j].p_offset || secs[sec->shdr.sh_info].shdr.sh_offset >= phdr[j].p_offset + phdr[j].p_filesz) -+ continue; -+ base = CONFIG_PAGE_OFFSET + phdr[j].p_paddr - phdr[j].p_vaddr; -+ break; -+ } - for (j = 0; j < sec->shdr.sh_size/sizeof(Elf32_Rel); j++) { - Elf32_Rel *rel = &sec->reltab[j]; -- rel->r_offset = elf32_to_cpu(rel->r_offset); -+ rel->r_offset = elf32_to_cpu(rel->r_offset) + base; - rel->r_info = elf32_to_cpu(rel->r_info); - } - } -@@ -396,14 +440,14 @@ static void read_relocs(FILE *fp) - - static void print_absolute_symbols(void) - { -- int i; -+ unsigned int i; - printf("Absolute symbols\n"); - printf(" Num: Value Size Type Bind Visibility Name\n"); - for (i = 0; i < ehdr.e_shnum; i++) { - struct section *sec = &secs[i]; - char *sym_strtab; - Elf32_Sym *sh_symtab; -- int j; -+ unsigned int j; - - if (sec->shdr.sh_type != SHT_SYMTAB) { - continue; -@@ -431,14 +475,14 @@ static void print_absolute_symbols(void) - - static void print_absolute_relocs(void) - { -- int i, printed = 0; -+ unsigned int i, printed = 0; - - for (i = 0; i < ehdr.e_shnum; i++) { - struct section *sec = &secs[i]; - struct section *sec_applies, *sec_symtab; - char *sym_strtab; - Elf32_Sym *sh_symtab; -- int j; -+ unsigned int j; - if (sec->shdr.sh_type != SHT_REL) { - continue; - } -@@ -499,13 +543,13 @@ static void print_absolute_relocs(void) - - static void walk_relocs(void (*visit)(Elf32_Rel *rel, Elf32_Sym *sym)) - { -- int i; -+ unsigned int i; - /* Walk through the relocations */ - for (i = 0; i < ehdr.e_shnum; i++) { - char *sym_strtab; - Elf32_Sym *sh_symtab; - struct section *sec_applies, *sec_symtab; -- int j; -+ unsigned int j; - struct section *sec = &secs[i]; - - if (sec->shdr.sh_type != SHT_REL) { -@@ -530,6 +574,22 @@ static void walk_relocs(void (*visit)(El - !is_rel_reloc(sym_name(sym_strtab, sym))) { - continue; - } -+ /* Don't relocate actual per-cpu variables, they are absolute indices, not addresses */ -+ if (!strcmp(sec_name(sym->st_shndx), ".data..percpu") && strcmp(sym_name(sym_strtab, sym), "__per_cpu_load")) -+ continue; -+ -+#if defined(CONFIG_PAX_KERNEXEC) && defined(CONFIG_X86_32) -+ /* Don't relocate actual code, they are relocated implicitly by the base address of KERNEL_CS */ -+ if (!strcmp(sec_name(sym->st_shndx), ".module.text") && !strcmp(sym_name(sym_strtab, sym), "_etext")) -+ continue; -+ if (!strcmp(sec_name(sym->st_shndx), ".init.text")) -+ continue; -+ if (!strcmp(sec_name(sym->st_shndx), ".exit.text")) -+ continue; -+ if (!strcmp(sec_name(sym->st_shndx), ".text") && strcmp(sym_name(sym_strtab, sym), "__LOAD_PHYSICAL_ADDR")) -+ continue; -+#endif -+ - switch (r_type) { - case R_386_NONE: - case R_386_PC32: -@@ -571,7 +631,7 @@ static int cmp_relocs(const void *va, co - - static void emit_relocs(int as_text) - { -- int i; -+ unsigned int i; - /* Count how many relocations I have and allocate space for them. */ - reloc_count = 0; - walk_relocs(count_reloc); -@@ -665,6 +725,7 @@ int main(int argc, char **argv) - fname, strerror(errno)); - } - read_ehdr(fp); -+ read_phdrs(fp); - read_shdrs(fp); - read_strtabs(fp); - read_symtabs(fp); -diff -urNp linux-2.6.39.3/arch/x86/boot/cpucheck.c linux-2.6.39.3/arch/x86/boot/cpucheck.c ---- linux-2.6.39.3/arch/x86/boot/cpucheck.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/boot/cpucheck.c 2011-05-22 19:36:30.000000000 -0400 -@@ -74,7 +74,7 @@ static int has_fpu(void) - u16 fcw = -1, fsw = -1; - u32 cr0; - -- asm("movl %%cr0,%0" : "=r" (cr0)); -+ asm volatile("movl %%cr0,%0" : "=r" (cr0)); - if (cr0 & (X86_CR0_EM|X86_CR0_TS)) { - cr0 &= ~(X86_CR0_EM|X86_CR0_TS); - asm volatile("movl %0,%%cr0" : : "r" (cr0)); -@@ -90,7 +90,7 @@ static int has_eflag(u32 mask) - { - u32 f0, f1; - -- asm("pushfl ; " -+ asm volatile("pushfl ; " - "pushfl ; " - "popl %0 ; " - "movl %0,%1 ; " -@@ -115,7 +115,7 @@ static void get_flags(void) - set_bit(X86_FEATURE_FPU, cpu.flags); - - if (has_eflag(X86_EFLAGS_ID)) { -- asm("cpuid" -+ asm volatile("cpuid" - : "=a" (max_intel_level), - "=b" (cpu_vendor[0]), - "=d" (cpu_vendor[1]), -@@ -124,7 +124,7 @@ static void get_flags(void) - - if (max_intel_level >= 0x00000001 && - max_intel_level <= 0x0000ffff) { -- asm("cpuid" -+ asm volatile("cpuid" - : "=a" (tfms), - "=c" (cpu.flags[4]), - "=d" (cpu.flags[0]) -@@ -136,7 +136,7 @@ static void get_flags(void) - cpu.model += ((tfms >> 16) & 0xf) << 4; - } - -- asm("cpuid" -+ asm volatile("cpuid" - : "=a" (max_amd_level) - : "a" (0x80000000) - : "ebx", "ecx", "edx"); -@@ -144,7 +144,7 @@ static void get_flags(void) - if (max_amd_level >= 0x80000001 && - max_amd_level <= 0x8000ffff) { - u32 eax = 0x80000001; -- asm("cpuid" -+ asm volatile("cpuid" - : "+a" (eax), - "=c" (cpu.flags[6]), - "=d" (cpu.flags[1]) -@@ -203,9 +203,9 @@ int check_cpu(int *cpu_level_ptr, int *r - u32 ecx = MSR_K7_HWCR; - u32 eax, edx; - -- asm("rdmsr" : "=a" (eax), "=d" (edx) : "c" (ecx)); -+ asm volatile("rdmsr" : "=a" (eax), "=d" (edx) : "c" (ecx)); - eax &= ~(1 << 15); -- asm("wrmsr" : : "a" (eax), "d" (edx), "c" (ecx)); -+ asm volatile("wrmsr" : : "a" (eax), "d" (edx), "c" (ecx)); - - get_flags(); /* Make sure it really did something */ - err = check_flags(); -@@ -218,9 +218,9 @@ int check_cpu(int *cpu_level_ptr, int *r - u32 ecx = MSR_VIA_FCR; - u32 eax, edx; - -- asm("rdmsr" : "=a" (eax), "=d" (edx) : "c" (ecx)); -+ asm volatile("rdmsr" : "=a" (eax), "=d" (edx) : "c" (ecx)); - eax |= (1<<1)|(1<<7); -- asm("wrmsr" : : "a" (eax), "d" (edx), "c" (ecx)); -+ asm volatile("wrmsr" : : "a" (eax), "d" (edx), "c" (ecx)); - - set_bit(X86_FEATURE_CX8, cpu.flags); - err = check_flags(); -@@ -231,12 +231,12 @@ int check_cpu(int *cpu_level_ptr, int *r - u32 eax, edx; - u32 level = 1; - -- asm("rdmsr" : "=a" (eax), "=d" (edx) : "c" (ecx)); -- asm("wrmsr" : : "a" (~0), "d" (edx), "c" (ecx)); -- asm("cpuid" -+ asm volatile("rdmsr" : "=a" (eax), "=d" (edx) : "c" (ecx)); -+ asm volatile("wrmsr" : : "a" (~0), "d" (edx), "c" (ecx)); -+ asm volatile("cpuid" - : "+a" (level), "=d" (cpu.flags[0]) - : : "ecx", "ebx"); -- asm("wrmsr" : : "a" (eax), "d" (edx), "c" (ecx)); -+ asm volatile("wrmsr" : : "a" (eax), "d" (edx), "c" (ecx)); - - err = check_flags(); - } -diff -urNp linux-2.6.39.3/arch/x86/boot/header.S linux-2.6.39.3/arch/x86/boot/header.S ---- linux-2.6.39.3/arch/x86/boot/header.S 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/boot/header.S 2011-05-22 19:36:30.000000000 -0400 -@@ -224,7 +224,7 @@ setup_data: .quad 0 # 64-bit physical - # single linked list of - # struct setup_data - --pref_address: .quad LOAD_PHYSICAL_ADDR # preferred load addr -+pref_address: .quad ____LOAD_PHYSICAL_ADDR # preferred load addr - - #define ZO_INIT_SIZE (ZO__end - ZO_startup_32 + ZO_z_extract_offset) - #define VO_INIT_SIZE (VO__end - VO__text) -diff -urNp linux-2.6.39.3/arch/x86/boot/memory.c linux-2.6.39.3/arch/x86/boot/memory.c ---- linux-2.6.39.3/arch/x86/boot/memory.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/boot/memory.c 2011-05-22 19:36:30.000000000 -0400 -@@ -19,7 +19,7 @@ - - static int detect_memory_e820(void) - { -- int count = 0; -+ unsigned int count = 0; - struct biosregs ireg, oreg; - struct e820entry *desc = boot_params.e820_map; - static struct e820entry buf; /* static so it is zeroed */ -diff -urNp linux-2.6.39.3/arch/x86/boot/video.c linux-2.6.39.3/arch/x86/boot/video.c ---- linux-2.6.39.3/arch/x86/boot/video.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/boot/video.c 2011-05-22 19:36:30.000000000 -0400 -@@ -96,7 +96,7 @@ static void store_mode_params(void) - static unsigned int get_entry(void) - { - char entry_buf[4]; -- int i, len = 0; -+ unsigned int i, len = 0; - int key; - unsigned int v; - -diff -urNp linux-2.6.39.3/arch/x86/boot/video-vesa.c linux-2.6.39.3/arch/x86/boot/video-vesa.c ---- linux-2.6.39.3/arch/x86/boot/video-vesa.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/boot/video-vesa.c 2011-05-22 19:36:30.000000000 -0400 -@@ -200,6 +200,7 @@ static void vesa_store_pm_info(void) - - boot_params.screen_info.vesapm_seg = oreg.es; - boot_params.screen_info.vesapm_off = oreg.di; -+ boot_params.screen_info.vesapm_size = oreg.cx; - } - - /* -diff -urNp linux-2.6.39.3/arch/x86/ia32/ia32_aout.c linux-2.6.39.3/arch/x86/ia32/ia32_aout.c ---- linux-2.6.39.3/arch/x86/ia32/ia32_aout.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/ia32/ia32_aout.c 2011-05-22 19:41:32.000000000 -0400 -@@ -162,6 +162,8 @@ static int aout_core_dump(long signr, st - unsigned long dump_start, dump_size; - struct user32 dump; - -+ memset(&dump, 0, sizeof(dump)); -+ - fs = get_fs(); - set_fs(KERNEL_DS); - has_dumped = 1; -diff -urNp linux-2.6.39.3/arch/x86/ia32/ia32entry.S linux-2.6.39.3/arch/x86/ia32/ia32entry.S ---- linux-2.6.39.3/arch/x86/ia32/ia32entry.S 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/ia32/ia32entry.S 2011-05-23 17:16:01.000000000 -0400 -@@ -13,6 +13,7 @@ - #include <asm/thread_info.h> - #include <asm/segment.h> - #include <asm/irqflags.h> -+#include <asm/pgtable.h> - #include <linux/linkage.h> - - /* Avoid __ASSEMBLER__'ifying <linux/audit.h> just for this. */ -@@ -95,6 +96,32 @@ ENTRY(native_irq_enable_sysexit) - ENDPROC(native_irq_enable_sysexit) - #endif - -+ .macro pax_enter_kernel_user -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ call pax_enter_kernel_user -+#endif -+ .endm -+ -+ .macro pax_exit_kernel_user -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ call pax_exit_kernel_user -+#endif -+#ifdef CONFIG_PAX_RANDKSTACK -+ pushq %rax -+ call pax_randomize_kstack -+ popq %rax -+#endif -+#ifdef CONFIG_PAX_MEMORY_STACKLEAK -+ call pax_erase_kstack -+#endif -+ .endm -+ -+ .macro pax_erase_kstack -+#ifdef CONFIG_PAX_MEMORY_STACKLEAK -+ call pax_erase_kstack -+#endif -+ .endm -+ - /* - * 32bit SYSENTER instruction entry. - * -@@ -121,7 +148,7 @@ ENTRY(ia32_sysenter_target) - CFI_REGISTER rsp,rbp - SWAPGS_UNSAFE_STACK - movq PER_CPU_VAR(kernel_stack), %rsp -- addq $(KERNEL_STACK_OFFSET),%rsp -+ pax_enter_kernel_user - /* - * No need to follow this irqs on/off section: the syscall - * disabled irqs, here we enable it straight after entry: -@@ -134,7 +161,8 @@ ENTRY(ia32_sysenter_target) - CFI_REL_OFFSET rsp,0 - pushfq_cfi - /*CFI_REL_OFFSET rflags,0*/ -- movl 8*3-THREAD_SIZE+TI_sysenter_return(%rsp), %r10d -+ GET_THREAD_INFO(%r10) -+ movl TI_sysenter_return(%r10), %r10d - CFI_REGISTER rip,r10 - pushq_cfi $__USER32_CS - /*CFI_REL_OFFSET cs,0*/ -@@ -146,6 +174,12 @@ ENTRY(ia32_sysenter_target) - SAVE_ARGS 0,0,1 - /* no need to do an access_ok check here because rbp has been - 32bit zero extended */ -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ mov $PAX_USER_SHADOW_BASE,%r10 -+ add %r10,%rbp -+#endif -+ - 1: movl (%rbp),%ebp - .section __ex_table,"a" - .quad 1b,ia32_badarg -@@ -168,6 +202,7 @@ sysenter_dispatch: - testl $_TIF_ALLWORK_MASK,TI_flags(%r10) - jnz sysexit_audit - sysexit_from_sys_call: -+ pax_exit_kernel_user - andl $~TS_COMPAT,TI_status(%r10) - /* clear IF, that popfq doesn't enable interrupts early */ - andl $~0x200,EFLAGS-R11(%rsp) -@@ -194,6 +229,9 @@ sysexit_from_sys_call: - movl %eax,%esi /* 2nd arg: syscall number */ - movl $AUDIT_ARCH_I386,%edi /* 1st arg: audit arch */ - call audit_syscall_entry -+ -+ pax_erase_kstack -+ - movl RAX-ARGOFFSET(%rsp),%eax /* reload syscall number */ - cmpq $(IA32_NR_syscalls-1),%rax - ja ia32_badsys -@@ -246,6 +284,9 @@ sysenter_tracesys: - movq $-ENOSYS,RAX(%rsp)/* ptrace can change this for a bad syscall */ - movq %rsp,%rdi /* &pt_regs -> arg1 */ - call syscall_trace_enter -+ -+ pax_erase_kstack -+ - LOAD_ARGS32 ARGOFFSET /* reload args from stack in case ptrace changed it */ - RESTORE_REST - cmpq $(IA32_NR_syscalls-1),%rax -@@ -277,19 +318,24 @@ ENDPROC(ia32_sysenter_target) - ENTRY(ia32_cstar_target) - CFI_STARTPROC32 simple - CFI_SIGNAL_FRAME -- CFI_DEF_CFA rsp,KERNEL_STACK_OFFSET -+ CFI_DEF_CFA rsp,0 - CFI_REGISTER rip,rcx - /*CFI_REGISTER rflags,r11*/ - SWAPGS_UNSAFE_STACK - movl %esp,%r8d - CFI_REGISTER rsp,r8 - movq PER_CPU_VAR(kernel_stack),%rsp -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ pax_enter_kernel_user -+#endif -+ - /* - * No need to follow this irqs on/off section: the syscall - * disabled irqs and here we enable it straight after entry: - */ - ENABLE_INTERRUPTS(CLBR_NONE) -- SAVE_ARGS 8,1,1 -+ SAVE_ARGS 8*6,1,1 - movl %eax,%eax /* zero extension */ - movq %rax,ORIG_RAX-ARGOFFSET(%rsp) - movq %rcx,RIP-ARGOFFSET(%rsp) -@@ -305,6 +351,12 @@ ENTRY(ia32_cstar_target) - /* no need to do an access_ok check here because r8 has been - 32bit zero extended */ - /* hardware stack frame is complete now */ -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ mov $PAX_USER_SHADOW_BASE,%r10 -+ add %r10,%r8 -+#endif -+ - 1: movl (%r8),%r9d - .section __ex_table,"a" - .quad 1b,ia32_badarg -@@ -327,6 +379,7 @@ cstar_dispatch: - testl $_TIF_ALLWORK_MASK,TI_flags(%r10) - jnz sysretl_audit - sysretl_from_sys_call: -+ pax_exit_kernel_user - andl $~TS_COMPAT,TI_status(%r10) - RESTORE_ARGS 1,-ARG_SKIP,1,1,1 - movl RIP-ARGOFFSET(%rsp),%ecx -@@ -364,6 +417,9 @@ cstar_tracesys: - movq $-ENOSYS,RAX(%rsp) /* ptrace can change this for a bad syscall */ - movq %rsp,%rdi /* &pt_regs -> arg1 */ - call syscall_trace_enter -+ -+ pax_erase_kstack -+ - LOAD_ARGS32 ARGOFFSET, 1 /* reload args from stack in case ptrace changed it */ - RESTORE_REST - xchgl %ebp,%r9d -@@ -409,6 +465,7 @@ ENTRY(ia32_syscall) - CFI_REL_OFFSET rip,RIP-RIP - PARAVIRT_ADJUST_EXCEPTION_FRAME - SWAPGS -+ pax_enter_kernel_user - /* - * No need to follow this irqs on/off section: the syscall - * disabled irqs and here we enable it straight after entry: -@@ -441,6 +498,9 @@ ia32_tracesys: - movq $-ENOSYS,RAX(%rsp) /* ptrace can change this for a bad syscall */ - movq %rsp,%rdi /* &pt_regs -> arg1 */ - call syscall_trace_enter -+ -+ pax_erase_kstack -+ - LOAD_ARGS32 ARGOFFSET /* reload args from stack in case ptrace changed it */ - RESTORE_REST - cmpq $(IA32_NR_syscalls-1),%rax -diff -urNp linux-2.6.39.3/arch/x86/ia32/ia32_signal.c linux-2.6.39.3/arch/x86/ia32/ia32_signal.c ---- linux-2.6.39.3/arch/x86/ia32/ia32_signal.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/ia32/ia32_signal.c 2011-05-22 19:36:30.000000000 -0400 -@@ -403,7 +403,7 @@ static void __user *get_sigframe(struct - sp -= frame_size; - /* Align the stack pointer according to the i386 ABI, - * i.e. so that on function entry ((sp + 4) & 15) == 0. */ -- sp = ((sp + 4) & -16ul) - 4; -+ sp = ((sp - 12) & -16ul) - 4; - return (void __user *) sp; - } - -@@ -461,7 +461,7 @@ int ia32_setup_frame(int sig, struct k_s - * These are actually not used anymore, but left because some - * gdb versions depend on them as a marker. - */ -- put_user_ex(*((u64 *)&code), (u64 *)frame->retcode); -+ put_user_ex(*((const u64 *)&code), (u64 *)frame->retcode); - } put_user_catch(err); - - if (err) -@@ -503,7 +503,7 @@ int ia32_setup_rt_frame(int sig, struct - 0xb8, - __NR_ia32_rt_sigreturn, - 0x80cd, -- 0, -+ 0 - }; - - frame = get_sigframe(ka, regs, sizeof(*frame), &fpstate); -@@ -533,16 +533,18 @@ int ia32_setup_rt_frame(int sig, struct - - if (ka->sa.sa_flags & SA_RESTORER) - restorer = ka->sa.sa_restorer; -+ else if (current->mm->context.vdso) -+ /* Return stub is in 32bit vsyscall page */ -+ restorer = VDSO32_SYMBOL(current->mm->context.vdso, rt_sigreturn); - else -- restorer = VDSO32_SYMBOL(current->mm->context.vdso, -- rt_sigreturn); -+ restorer = &frame->retcode; - put_user_ex(ptr_to_compat(restorer), &frame->pretcode); - - /* - * Not actually used anymore, but left because some gdb - * versions need it. - */ -- put_user_ex(*((u64 *)&code), (u64 *)frame->retcode); -+ put_user_ex(*((const u64 *)&code), (u64 *)frame->retcode); - } put_user_catch(err); - - if (err) -diff -urNp linux-2.6.39.3/arch/x86/include/asm/alternative.h linux-2.6.39.3/arch/x86/include/asm/alternative.h ---- linux-2.6.39.3/arch/x86/include/asm/alternative.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/include/asm/alternative.h 2011-05-22 19:36:30.000000000 -0400 -@@ -94,7 +94,7 @@ static inline int alternatives_text_rese - ".section .discard,\"aw\",@progbits\n" \ - " .byte 0xff + (664f-663f) - (662b-661b)\n" /* rlen <= slen */ \ - ".previous\n" \ -- ".section .altinstr_replacement, \"ax\"\n" \ -+ ".section .altinstr_replacement, \"a\"\n" \ - "663:\n\t" newinstr "\n664:\n" /* replacement */ \ - ".previous" - -diff -urNp linux-2.6.39.3/arch/x86/include/asm/apm.h linux-2.6.39.3/arch/x86/include/asm/apm.h ---- linux-2.6.39.3/arch/x86/include/asm/apm.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/include/asm/apm.h 2011-05-22 19:36:30.000000000 -0400 -@@ -34,7 +34,7 @@ static inline void apm_bios_call_asm(u32 - __asm__ __volatile__(APM_DO_ZERO_SEGS - "pushl %%edi\n\t" - "pushl %%ebp\n\t" -- "lcall *%%cs:apm_bios_entry\n\t" -+ "lcall *%%ss:apm_bios_entry\n\t" - "setc %%al\n\t" - "popl %%ebp\n\t" - "popl %%edi\n\t" -@@ -58,7 +58,7 @@ static inline u8 apm_bios_call_simple_as - __asm__ __volatile__(APM_DO_ZERO_SEGS - "pushl %%edi\n\t" - "pushl %%ebp\n\t" -- "lcall *%%cs:apm_bios_entry\n\t" -+ "lcall *%%ss:apm_bios_entry\n\t" - "setc %%bl\n\t" - "popl %%ebp\n\t" - "popl %%edi\n\t" -diff -urNp linux-2.6.39.3/arch/x86/include/asm/atomic64_32.h linux-2.6.39.3/arch/x86/include/asm/atomic64_32.h ---- linux-2.6.39.3/arch/x86/include/asm/atomic64_32.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/include/asm/atomic64_32.h 2011-05-22 19:36:30.000000000 -0400 -@@ -12,6 +12,14 @@ typedef struct { - u64 __aligned(8) counter; - } atomic64_t; - -+#ifdef CONFIG_PAX_REFCOUNT -+typedef struct { -+ u64 __aligned(8) counter; -+} atomic64_unchecked_t; -+#else -+typedef atomic64_t atomic64_unchecked_t; -+#endif -+ - #define ATOMIC64_INIT(val) { (val) } - - #ifdef CONFIG_X86_CMPXCHG64 -@@ -38,6 +46,21 @@ static inline long long atomic64_cmpxchg - } - - /** -+ * atomic64_cmpxchg_unchecked - cmpxchg atomic64 variable -+ * @p: pointer to type atomic64_unchecked_t -+ * @o: expected value -+ * @n: new value -+ * -+ * Atomically sets @v to @n if it was equal to @o and returns -+ * the old value. -+ */ -+ -+static inline long long atomic64_cmpxchg_unchecked(atomic64_unchecked_t *v, long long o, long long n) -+{ -+ return cmpxchg64(&v->counter, o, n); -+} -+ -+/** - * atomic64_xchg - xchg atomic64 variable - * @v: pointer to type atomic64_t - * @n: value to assign -@@ -77,6 +100,24 @@ static inline void atomic64_set(atomic64 - } - - /** -+ * atomic64_set_unchecked - set atomic64 variable -+ * @v: pointer to type atomic64_unchecked_t -+ * @n: value to assign -+ * -+ * Atomically sets the value of @v to @n. -+ */ -+static inline void atomic64_set_unchecked(atomic64_unchecked_t *v, long long i) -+{ -+ unsigned high = (unsigned)(i >> 32); -+ unsigned low = (unsigned)i; -+ asm volatile(ATOMIC64_ALTERNATIVE(set) -+ : "+b" (low), "+c" (high) -+ : "S" (v) -+ : "eax", "edx", "memory" -+ ); -+} -+ -+/** - * atomic64_read - read atomic64 variable - * @v: pointer to type atomic64_t - * -@@ -93,6 +134,22 @@ static inline long long atomic64_read(at - } - - /** -+ * atomic64_read_unchecked - read atomic64 variable -+ * @v: pointer to type atomic64_unchecked_t -+ * -+ * Atomically reads the value of @v and returns it. -+ */ -+static inline long long atomic64_read_unchecked(atomic64_unchecked_t *v) -+{ -+ long long r; -+ asm volatile(ATOMIC64_ALTERNATIVE(read_unchecked) -+ : "=A" (r), "+c" (v) -+ : : "memory" -+ ); -+ return r; -+ } -+ -+/** - * atomic64_add_return - add and return - * @i: integer value to add - * @v: pointer to type atomic64_t -@@ -108,6 +165,22 @@ static inline long long atomic64_add_ret - return i; - } - -+/** -+ * atomic64_add_return_unchecked - add and return -+ * @i: integer value to add -+ * @v: pointer to type atomic64_unchecked_t -+ * -+ * Atomically adds @i to @v and returns @i + *@v -+ */ -+static inline long long atomic64_add_return_unchecked(long long i, atomic64_unchecked_t *v) -+{ -+ asm volatile(ATOMIC64_ALTERNATIVE(add_return_unchecked) -+ : "+A" (i), "+c" (v) -+ : : "memory" -+ ); -+ return i; -+} -+ - /* - * Other variants with different arithmetic operators: - */ -@@ -131,6 +204,17 @@ static inline long long atomic64_inc_ret - return a; - } - -+static inline long long atomic64_inc_return_unchecked(atomic64_unchecked_t *v) -+{ -+ long long a; -+ asm volatile(ATOMIC64_ALTERNATIVE(inc_return_unchecked) -+ : "=A" (a) -+ : "S" (v) -+ : "memory", "ecx" -+ ); -+ return a; -+} -+ - static inline long long atomic64_dec_return(atomic64_t *v) - { - long long a; -@@ -159,6 +243,22 @@ static inline long long atomic64_add(lon - } - - /** -+ * atomic64_add_unchecked - add integer to atomic64 variable -+ * @i: integer value to add -+ * @v: pointer to type atomic64_unchecked_t -+ * -+ * Atomically adds @i to @v. -+ */ -+static inline long long atomic64_add_unchecked(long long i, atomic64_unchecked_t *v) -+{ -+ asm volatile(ATOMIC64_ALTERNATIVE_(add_unchecked, add_return_unchecked) -+ : "+A" (i), "+c" (v) -+ : : "memory" -+ ); -+ return i; -+} -+ -+/** - * atomic64_sub - subtract the atomic64 variable - * @i: integer value to subtract - * @v: pointer to type atomic64_t -diff -urNp linux-2.6.39.3/arch/x86/include/asm/atomic64_64.h linux-2.6.39.3/arch/x86/include/asm/atomic64_64.h ---- linux-2.6.39.3/arch/x86/include/asm/atomic64_64.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/include/asm/atomic64_64.h 2011-05-22 19:36:30.000000000 -0400 -@@ -18,7 +18,19 @@ - */ - static inline long atomic64_read(const atomic64_t *v) - { -- return (*(volatile long *)&(v)->counter); -+ return (*(volatile const long *)&(v)->counter); -+} -+ -+/** -+ * atomic64_read_unchecked - read atomic64 variable -+ * @v: pointer of type atomic64_unchecked_t -+ * -+ * Atomically reads the value of @v. -+ * Doesn't imply a read memory barrier. -+ */ -+static inline long atomic64_read_unchecked(const atomic64_unchecked_t *v) -+{ -+ return (*(volatile const long *)&(v)->counter); - } - - /** -@@ -34,6 +46,18 @@ static inline void atomic64_set(atomic64 - } - - /** -+ * atomic64_set_unchecked - set atomic64 variable -+ * @v: pointer to type atomic64_unchecked_t -+ * @i: required value -+ * -+ * Atomically sets the value of @v to @i. -+ */ -+static inline void atomic64_set_unchecked(atomic64_unchecked_t *v, long i) -+{ -+ v->counter = i; -+} -+ -+/** - * atomic64_add - add integer to atomic64 variable - * @i: integer value to add - * @v: pointer to type atomic64_t -@@ -42,6 +66,28 @@ static inline void atomic64_set(atomic64 - */ - static inline void atomic64_add(long i, atomic64_t *v) - { -+ asm volatile(LOCK_PREFIX "addq %1,%0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ LOCK_PREFIX "subq %1,%0\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ -+ : "=m" (v->counter) -+ : "er" (i), "m" (v->counter)); -+} -+ -+/** -+ * atomic64_add_unchecked - add integer to atomic64 variable -+ * @i: integer value to add -+ * @v: pointer to type atomic64_unchecked_t -+ * -+ * Atomically adds @i to @v. -+ */ -+static inline void atomic64_add_unchecked(long i, atomic64_unchecked_t *v) -+{ - asm volatile(LOCK_PREFIX "addq %1,%0" - : "=m" (v->counter) - : "er" (i), "m" (v->counter)); -@@ -56,7 +102,29 @@ static inline void atomic64_add(long i, - */ - static inline void atomic64_sub(long i, atomic64_t *v) - { -- asm volatile(LOCK_PREFIX "subq %1,%0" -+ asm volatile(LOCK_PREFIX "subq %1,%0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ LOCK_PREFIX "addq %1,%0\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ -+ : "=m" (v->counter) -+ : "er" (i), "m" (v->counter)); -+} -+ -+/** -+ * atomic64_sub_unchecked - subtract the atomic64 variable -+ * @i: integer value to subtract -+ * @v: pointer to type atomic64_unchecked_t -+ * -+ * Atomically subtracts @i from @v. -+ */ -+static inline void atomic64_sub_unchecked(long i, atomic64_unchecked_t *v) -+{ -+ asm volatile(LOCK_PREFIX "subq %1,%0\n" - : "=m" (v->counter) - : "er" (i), "m" (v->counter)); - } -@@ -74,7 +142,16 @@ static inline int atomic64_sub_and_test( - { - unsigned char c; - -- asm volatile(LOCK_PREFIX "subq %2,%0; sete %1" -+ asm volatile(LOCK_PREFIX "subq %2,%0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ LOCK_PREFIX "addq %2,%0\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ -+ "sete %1\n" - : "=m" (v->counter), "=qm" (c) - : "er" (i), "m" (v->counter) : "memory"); - return c; -@@ -88,6 +165,27 @@ static inline int atomic64_sub_and_test( - */ - static inline void atomic64_inc(atomic64_t *v) - { -+ asm volatile(LOCK_PREFIX "incq %0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ LOCK_PREFIX "decq %0\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ -+ : "=m" (v->counter) -+ : "m" (v->counter)); -+} -+ -+/** -+ * atomic64_inc_unchecked - increment atomic64 variable -+ * @v: pointer to type atomic64_unchecked_t -+ * -+ * Atomically increments @v by 1. -+ */ -+static inline void atomic64_inc_unchecked(atomic64_unchecked_t *v) -+{ - asm volatile(LOCK_PREFIX "incq %0" - : "=m" (v->counter) - : "m" (v->counter)); -@@ -101,7 +199,28 @@ static inline void atomic64_inc(atomic64 - */ - static inline void atomic64_dec(atomic64_t *v) - { -- asm volatile(LOCK_PREFIX "decq %0" -+ asm volatile(LOCK_PREFIX "decq %0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ LOCK_PREFIX "incq %0\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ -+ : "=m" (v->counter) -+ : "m" (v->counter)); -+} -+ -+/** -+ * atomic64_dec_unchecked - decrement atomic64 variable -+ * @v: pointer to type atomic64_t -+ * -+ * Atomically decrements @v by 1. -+ */ -+static inline void atomic64_dec_unchecked(atomic64_unchecked_t *v) -+{ -+ asm volatile(LOCK_PREFIX "decq %0\n" - : "=m" (v->counter) - : "m" (v->counter)); - } -@@ -118,7 +237,16 @@ static inline int atomic64_dec_and_test( - { - unsigned char c; - -- asm volatile(LOCK_PREFIX "decq %0; sete %1" -+ asm volatile(LOCK_PREFIX "decq %0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ LOCK_PREFIX "incq %0\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ -+ "sete %1\n" - : "=m" (v->counter), "=qm" (c) - : "m" (v->counter) : "memory"); - return c != 0; -@@ -136,7 +264,16 @@ static inline int atomic64_inc_and_test( - { - unsigned char c; - -- asm volatile(LOCK_PREFIX "incq %0; sete %1" -+ asm volatile(LOCK_PREFIX "incq %0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ LOCK_PREFIX "decq %0\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ -+ "sete %1\n" - : "=m" (v->counter), "=qm" (c) - : "m" (v->counter) : "memory"); - return c != 0; -@@ -155,7 +292,16 @@ static inline int atomic64_add_negative( - { - unsigned char c; - -- asm volatile(LOCK_PREFIX "addq %2,%0; sets %1" -+ asm volatile(LOCK_PREFIX "addq %2,%0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ LOCK_PREFIX "subq %2,%0\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ -+ "sets %1\n" - : "=m" (v->counter), "=qm" (c) - : "er" (i), "m" (v->counter) : "memory"); - return c; -@@ -171,7 +317,31 @@ static inline int atomic64_add_negative( - static inline long atomic64_add_return(long i, atomic64_t *v) - { - long __i = i; -- asm volatile(LOCK_PREFIX "xaddq %0, %1;" -+ asm volatile(LOCK_PREFIX "xaddq %0, %1\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ "movq %0, %1\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ -+ : "+r" (i), "+m" (v->counter) -+ : : "memory"); -+ return i + __i; -+} -+ -+/** -+ * atomic64_add_return_unchecked - add and return -+ * @i: integer value to add -+ * @v: pointer to type atomic64_unchecked_t -+ * -+ * Atomically adds @i to @v and returns @i + @v -+ */ -+static inline long atomic64_add_return_unchecked(long i, atomic64_unchecked_t *v) -+{ -+ long __i = i; -+ asm volatile(LOCK_PREFIX "xaddq %0, %1" - : "+r" (i), "+m" (v->counter) - : : "memory"); - return i + __i; -@@ -183,6 +353,10 @@ static inline long atomic64_sub_return(l - } - - #define atomic64_inc_return(v) (atomic64_add_return(1, (v))) -+static inline long atomic64_inc_return_unchecked(atomic64_unchecked_t *v) -+{ -+ return atomic64_add_return_unchecked(1, v); -+} - #define atomic64_dec_return(v) (atomic64_sub_return(1, (v))) - - static inline long atomic64_cmpxchg(atomic64_t *v, long old, long new) -@@ -190,6 +364,11 @@ static inline long atomic64_cmpxchg(atom - return cmpxchg(&v->counter, old, new); - } - -+static inline long atomic64_cmpxchg_unchecked(atomic64_unchecked_t *v, long old, long new) -+{ -+ return cmpxchg(&v->counter, old, new); -+} -+ - static inline long atomic64_xchg(atomic64_t *v, long new) - { - return xchg(&v->counter, new); -@@ -206,17 +385,30 @@ static inline long atomic64_xchg(atomic6 - */ - static inline int atomic64_add_unless(atomic64_t *v, long a, long u) - { -- long c, old; -+ long c, old, new; - c = atomic64_read(v); - for (;;) { -- if (unlikely(c == (u))) -+ if (unlikely(c == u)) - break; -- old = atomic64_cmpxchg((v), c, c + (a)); -+ -+ asm volatile("add %2,%0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ "sub %2,%0\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ -+ : "=r" (new) -+ : "0" (c), "ir" (a)); -+ -+ old = atomic64_cmpxchg(v, c, new); - if (likely(old == c)) - break; - c = old; - } -- return c != (u); -+ return c != u; - } - - #define atomic64_inc_not_zero(v) atomic64_add_unless((v), 1, 0) -diff -urNp linux-2.6.39.3/arch/x86/include/asm/atomic.h linux-2.6.39.3/arch/x86/include/asm/atomic.h ---- linux-2.6.39.3/arch/x86/include/asm/atomic.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/include/asm/atomic.h 2011-05-22 19:36:30.000000000 -0400 -@@ -22,7 +22,18 @@ - */ - static inline int atomic_read(const atomic_t *v) - { -- return (*(volatile int *)&(v)->counter); -+ return (*(volatile const int *)&(v)->counter); -+} -+ -+/** -+ * atomic_read_unchecked - read atomic variable -+ * @v: pointer of type atomic_unchecked_t -+ * -+ * Atomically reads the value of @v. -+ */ -+static inline int atomic_read_unchecked(const atomic_unchecked_t *v) -+{ -+ return (*(volatile const int *)&(v)->counter); - } - - /** -@@ -38,6 +49,18 @@ static inline void atomic_set(atomic_t * - } - - /** -+ * atomic_set_unchecked - set atomic variable -+ * @v: pointer of type atomic_unchecked_t -+ * @i: required value -+ * -+ * Atomically sets the value of @v to @i. -+ */ -+static inline void atomic_set_unchecked(atomic_unchecked_t *v, int i) -+{ -+ v->counter = i; -+} -+ -+/** - * atomic_add - add integer to atomic variable - * @i: integer value to add - * @v: pointer of type atomic_t -@@ -46,7 +69,29 @@ static inline void atomic_set(atomic_t * - */ - static inline void atomic_add(int i, atomic_t *v) - { -- asm volatile(LOCK_PREFIX "addl %1,%0" -+ asm volatile(LOCK_PREFIX "addl %1,%0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ LOCK_PREFIX "subl %1,%0\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ -+ : "+m" (v->counter) -+ : "ir" (i)); -+} -+ -+/** -+ * atomic_add_unchecked - add integer to atomic variable -+ * @i: integer value to add -+ * @v: pointer of type atomic_unchecked_t -+ * -+ * Atomically adds @i to @v. -+ */ -+static inline void atomic_add_unchecked(int i, atomic_unchecked_t *v) -+{ -+ asm volatile(LOCK_PREFIX "addl %1,%0\n" - : "+m" (v->counter) - : "ir" (i)); - } -@@ -60,7 +105,29 @@ static inline void atomic_add(int i, ato - */ - static inline void atomic_sub(int i, atomic_t *v) - { -- asm volatile(LOCK_PREFIX "subl %1,%0" -+ asm volatile(LOCK_PREFIX "subl %1,%0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ LOCK_PREFIX "addl %1,%0\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ -+ : "+m" (v->counter) -+ : "ir" (i)); -+} -+ -+/** -+ * atomic_sub_unchecked - subtract integer from atomic variable -+ * @i: integer value to subtract -+ * @v: pointer of type atomic_unchecked_t -+ * -+ * Atomically subtracts @i from @v. -+ */ -+static inline void atomic_sub_unchecked(int i, atomic_unchecked_t *v) -+{ -+ asm volatile(LOCK_PREFIX "subl %1,%0\n" - : "+m" (v->counter) - : "ir" (i)); - } -@@ -78,7 +145,16 @@ static inline int atomic_sub_and_test(in - { - unsigned char c; - -- asm volatile(LOCK_PREFIX "subl %2,%0; sete %1" -+ asm volatile(LOCK_PREFIX "subl %2,%0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ LOCK_PREFIX "addl %2,%0\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ -+ "sete %1\n" - : "+m" (v->counter), "=qm" (c) - : "ir" (i) : "memory"); - return c; -@@ -92,7 +168,27 @@ static inline int atomic_sub_and_test(in - */ - static inline void atomic_inc(atomic_t *v) - { -- asm volatile(LOCK_PREFIX "incl %0" -+ asm volatile(LOCK_PREFIX "incl %0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ LOCK_PREFIX "decl %0\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ -+ : "+m" (v->counter)); -+} -+ -+/** -+ * atomic_inc_unchecked - increment atomic variable -+ * @v: pointer of type atomic_unchecked_t -+ * -+ * Atomically increments @v by 1. -+ */ -+static inline void atomic_inc_unchecked(atomic_unchecked_t *v) -+{ -+ asm volatile(LOCK_PREFIX "incl %0\n" - : "+m" (v->counter)); - } - -@@ -104,7 +200,27 @@ static inline void atomic_inc(atomic_t * - */ - static inline void atomic_dec(atomic_t *v) - { -- asm volatile(LOCK_PREFIX "decl %0" -+ asm volatile(LOCK_PREFIX "decl %0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ LOCK_PREFIX "incl %0\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ -+ : "+m" (v->counter)); -+} -+ -+/** -+ * atomic_dec_unchecked - decrement atomic variable -+ * @v: pointer of type atomic_unchecked_t -+ * -+ * Atomically decrements @v by 1. -+ */ -+static inline void atomic_dec_unchecked(atomic_unchecked_t *v) -+{ -+ asm volatile(LOCK_PREFIX "decl %0\n" - : "+m" (v->counter)); - } - -@@ -120,7 +236,16 @@ static inline int atomic_dec_and_test(at - { - unsigned char c; - -- asm volatile(LOCK_PREFIX "decl %0; sete %1" -+ asm volatile(LOCK_PREFIX "decl %0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ LOCK_PREFIX "incl %0\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ -+ "sete %1\n" - : "+m" (v->counter), "=qm" (c) - : : "memory"); - return c != 0; -@@ -138,7 +263,35 @@ static inline int atomic_inc_and_test(at - { - unsigned char c; - -- asm volatile(LOCK_PREFIX "incl %0; sete %1" -+ asm volatile(LOCK_PREFIX "incl %0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ LOCK_PREFIX "decl %0\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ -+ "sete %1\n" -+ : "+m" (v->counter), "=qm" (c) -+ : : "memory"); -+ return c != 0; -+} -+ -+/** -+ * atomic_inc_and_test_unchecked - increment and test -+ * @v: pointer of type atomic_unchecked_t -+ * -+ * Atomically increments @v by 1 -+ * and returns true if the result is zero, or false for all -+ * other cases. -+ */ -+static inline int atomic_inc_and_test_unchecked(atomic_unchecked_t *v) -+{ -+ unsigned char c; -+ -+ asm volatile(LOCK_PREFIX "incl %0\n" -+ "sete %1\n" - : "+m" (v->counter), "=qm" (c) - : : "memory"); - return c != 0; -@@ -157,7 +310,16 @@ static inline int atomic_add_negative(in - { - unsigned char c; - -- asm volatile(LOCK_PREFIX "addl %2,%0; sets %1" -+ asm volatile(LOCK_PREFIX "addl %2,%0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ LOCK_PREFIX "subl %2,%0\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ -+ "sets %1\n" - : "+m" (v->counter), "=qm" (c) - : "ir" (i) : "memory"); - return c; -@@ -180,6 +342,46 @@ static inline int atomic_add_return(int - #endif - /* Modern 486+ processor */ - __i = i; -+ asm volatile(LOCK_PREFIX "xaddl %0, %1\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ "movl %0, %1\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ -+ : "+r" (i), "+m" (v->counter) -+ : : "memory"); -+ return i + __i; -+ -+#ifdef CONFIG_M386 -+no_xadd: /* Legacy 386 processor */ -+ local_irq_save(flags); -+ __i = atomic_read(v); -+ atomic_set(v, i + __i); -+ local_irq_restore(flags); -+ return i + __i; -+#endif -+} -+ -+/** -+ * atomic_add_return_unchecked - add integer and return -+ * @v: pointer of type atomic_unchecked_t -+ * @i: integer value to add -+ * -+ * Atomically adds @i to @v and returns @i + @v -+ */ -+static inline int atomic_add_return_unchecked(int i, atomic_unchecked_t *v) -+{ -+ int __i; -+#ifdef CONFIG_M386 -+ unsigned long flags; -+ if (unlikely(boot_cpu_data.x86 <= 3)) -+ goto no_xadd; -+#endif -+ /* Modern 486+ processor */ -+ __i = i; - asm volatile(LOCK_PREFIX "xaddl %0, %1" - : "+r" (i), "+m" (v->counter) - : : "memory"); -@@ -208,6 +410,10 @@ static inline int atomic_sub_return(int - } - - #define atomic_inc_return(v) (atomic_add_return(1, v)) -+static inline int atomic_inc_return_unchecked(atomic_unchecked_t *v) -+{ -+ return atomic_add_return_unchecked(1, v); -+} - #define atomic_dec_return(v) (atomic_sub_return(1, v)) - - static inline int atomic_cmpxchg(atomic_t *v, int old, int new) -@@ -215,11 +421,21 @@ static inline int atomic_cmpxchg(atomic_ - return cmpxchg(&v->counter, old, new); - } - -+static inline int atomic_cmpxchg_unchecked(atomic_unchecked_t *v, int old, int new) -+{ -+ return cmpxchg(&v->counter, old, new); -+} -+ - static inline int atomic_xchg(atomic_t *v, int new) - { - return xchg(&v->counter, new); - } - -+static inline int atomic_xchg_unchecked(atomic_unchecked_t *v, int new) -+{ -+ return xchg(&v->counter, new); -+} -+ - /** - * atomic_add_unless - add unless the number is already a given value - * @v: pointer of type atomic_t -@@ -231,21 +447,77 @@ static inline int atomic_xchg(atomic_t * - */ - static inline int atomic_add_unless(atomic_t *v, int a, int u) - { -- int c, old; -+ int c, old, new; - c = atomic_read(v); - for (;;) { -- if (unlikely(c == (u))) -+ if (unlikely(c == u)) - break; -- old = atomic_cmpxchg((v), c, c + (a)); -+ -+ asm volatile("addl %2,%0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ "subl %2,%0\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ -+ : "=r" (new) -+ : "0" (c), "ir" (a)); -+ -+ old = atomic_cmpxchg(v, c, new); - if (likely(old == c)) - break; - c = old; - } -- return c != (u); -+ return c != u; - } - - #define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0) - -+/** -+ * atomic_inc_not_zero_hint - increment if not null -+ * @v: pointer of type atomic_t -+ * @hint: probable value of the atomic before the increment -+ * -+ * This version of atomic_inc_not_zero() gives a hint of probable -+ * value of the atomic. This helps processor to not read the memory -+ * before doing the atomic read/modify/write cycle, lowering -+ * number of bus transactions on some arches. -+ * -+ * Returns: 0 if increment was not done, 1 otherwise. -+ */ -+#define atomic_inc_not_zero_hint atomic_inc_not_zero_hint -+static inline int atomic_inc_not_zero_hint(atomic_t *v, int hint) -+{ -+ int val, c = hint, new; -+ -+ /* sanity test, should be removed by compiler if hint is a constant */ -+ if (!hint) -+ return atomic_inc_not_zero(v); -+ -+ do { -+ asm volatile("incl %0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ "decl %0\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ -+ : "=r" (new) -+ : "0" (c)); -+ -+ val = atomic_cmpxchg(v, c, new); -+ if (val == c) -+ return 1; -+ c = val; -+ } while (c); -+ -+ return 0; -+} -+ - /* - * atomic_dec_if_positive - decrement by 1 if old value positive - * @v: pointer of type atomic_t -diff -urNp linux-2.6.39.3/arch/x86/include/asm/bitops.h linux-2.6.39.3/arch/x86/include/asm/bitops.h ---- linux-2.6.39.3/arch/x86/include/asm/bitops.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/include/asm/bitops.h 2011-05-22 19:36:30.000000000 -0400 -@@ -38,7 +38,7 @@ - * a mask operation on a byte. - */ - #define IS_IMMEDIATE(nr) (__builtin_constant_p(nr)) --#define CONST_MASK_ADDR(nr, addr) BITOP_ADDR((void *)(addr) + ((nr)>>3)) -+#define CONST_MASK_ADDR(nr, addr) BITOP_ADDR((volatile void *)(addr) + ((nr)>>3)) - #define CONST_MASK(nr) (1 << ((nr) & 7)) - - /** -diff -urNp linux-2.6.39.3/arch/x86/include/asm/boot.h linux-2.6.39.3/arch/x86/include/asm/boot.h ---- linux-2.6.39.3/arch/x86/include/asm/boot.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/include/asm/boot.h 2011-05-22 19:36:30.000000000 -0400 -@@ -11,10 +11,15 @@ - #include <asm/pgtable_types.h> - - /* Physical address where kernel should be loaded. */ --#define LOAD_PHYSICAL_ADDR ((CONFIG_PHYSICAL_START \ -+#define ____LOAD_PHYSICAL_ADDR ((CONFIG_PHYSICAL_START \ - + (CONFIG_PHYSICAL_ALIGN - 1)) \ - & ~(CONFIG_PHYSICAL_ALIGN - 1)) - -+#ifndef __ASSEMBLY__ -+extern unsigned char __LOAD_PHYSICAL_ADDR[]; -+#define LOAD_PHYSICAL_ADDR ((unsigned long)__LOAD_PHYSICAL_ADDR) -+#endif -+ - /* Minimum kernel alignment, as a power of two */ - #ifdef CONFIG_X86_64 - #define MIN_KERNEL_ALIGN_LG2 PMD_SHIFT -diff -urNp linux-2.6.39.3/arch/x86/include/asm/cacheflush.h linux-2.6.39.3/arch/x86/include/asm/cacheflush.h ---- linux-2.6.39.3/arch/x86/include/asm/cacheflush.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/include/asm/cacheflush.h 2011-05-22 19:36:30.000000000 -0400 -@@ -26,7 +26,7 @@ static inline unsigned long get_page_mem - unsigned long pg_flags = pg->flags & _PGMT_MASK; - - if (pg_flags == _PGMT_DEFAULT) -- return -1; -+ return ~0UL; - else if (pg_flags == _PGMT_WC) - return _PAGE_CACHE_WC; - else if (pg_flags == _PGMT_UC_MINUS) -diff -urNp linux-2.6.39.3/arch/x86/include/asm/cache.h linux-2.6.39.3/arch/x86/include/asm/cache.h ---- linux-2.6.39.3/arch/x86/include/asm/cache.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/include/asm/cache.h 2011-07-06 20:00:13.000000000 -0400 -@@ -5,12 +5,13 @@ - - /* L1 cache line size */ - #define L1_CACHE_SHIFT (CONFIG_X86_L1_CACHE_SHIFT) --#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) -+#define L1_CACHE_BYTES (_AC(1,UL) << L1_CACHE_SHIFT) - - #define __read_mostly __attribute__((__section__(".data..read_mostly"))) -+#define __read_only __attribute__((__section__(".data..read_only"))) - - #define INTERNODE_CACHE_SHIFT CONFIG_X86_INTERNODE_CACHE_SHIFT --#define INTERNODE_CACHE_BYTES (1 << INTERNODE_CACHE_SHIFT) -+#define INTERNODE_CACHE_BYTES (_AC(1,UL) << INTERNODE_CACHE_SHIFT) - - #ifdef CONFIG_X86_VSMP - #ifdef CONFIG_SMP -diff -urNp linux-2.6.39.3/arch/x86/include/asm/checksum_32.h linux-2.6.39.3/arch/x86/include/asm/checksum_32.h ---- linux-2.6.39.3/arch/x86/include/asm/checksum_32.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/include/asm/checksum_32.h 2011-05-22 19:36:30.000000000 -0400 -@@ -31,6 +31,14 @@ asmlinkage __wsum csum_partial_copy_gene - int len, __wsum sum, - int *src_err_ptr, int *dst_err_ptr); - -+asmlinkage __wsum csum_partial_copy_generic_to_user(const void *src, void *dst, -+ int len, __wsum sum, -+ int *src_err_ptr, int *dst_err_ptr); -+ -+asmlinkage __wsum csum_partial_copy_generic_from_user(const void *src, void *dst, -+ int len, __wsum sum, -+ int *src_err_ptr, int *dst_err_ptr); -+ - /* - * Note: when you get a NULL pointer exception here this means someone - * passed in an incorrect kernel address to one of these functions. -@@ -50,7 +58,7 @@ static inline __wsum csum_partial_copy_f - int *err_ptr) - { - might_sleep(); -- return csum_partial_copy_generic((__force void *)src, dst, -+ return csum_partial_copy_generic_from_user((__force void *)src, dst, - len, sum, err_ptr, NULL); - } - -@@ -178,7 +186,7 @@ static inline __wsum csum_and_copy_to_us - { - might_sleep(); - if (access_ok(VERIFY_WRITE, dst, len)) -- return csum_partial_copy_generic(src, (__force void *)dst, -+ return csum_partial_copy_generic_to_user(src, (__force void *)dst, - len, sum, NULL, err_ptr); - - if (len) -diff -urNp linux-2.6.39.3/arch/x86/include/asm/cpufeature.h linux-2.6.39.3/arch/x86/include/asm/cpufeature.h ---- linux-2.6.39.3/arch/x86/include/asm/cpufeature.h 2011-06-03 00:04:13.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/include/asm/cpufeature.h 2011-06-03 00:32:04.000000000 -0400 -@@ -351,7 +351,7 @@ static __always_inline __pure bool __sta - ".section .discard,\"aw\",@progbits\n" - " .byte 0xff + (4f-3f) - (2b-1b)\n" /* size check */ - ".previous\n" -- ".section .altinstr_replacement,\"ax\"\n" -+ ".section .altinstr_replacement,\"a\"\n" - "3: movb $1,%0\n" - "4:\n" - ".previous\n" -diff -urNp linux-2.6.39.3/arch/x86/include/asm/desc_defs.h linux-2.6.39.3/arch/x86/include/asm/desc_defs.h ---- linux-2.6.39.3/arch/x86/include/asm/desc_defs.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/include/asm/desc_defs.h 2011-05-22 19:36:30.000000000 -0400 -@@ -31,6 +31,12 @@ struct desc_struct { - unsigned base1: 8, type: 4, s: 1, dpl: 2, p: 1; - unsigned limit: 4, avl: 1, l: 1, d: 1, g: 1, base2: 8; - }; -+ struct { -+ u16 offset_low; -+ u16 seg; -+ unsigned reserved: 8, type: 4, s: 1, dpl: 2, p: 1; -+ unsigned offset_high: 16; -+ } gate; - }; - } __attribute__((packed)); - -diff -urNp linux-2.6.39.3/arch/x86/include/asm/desc.h linux-2.6.39.3/arch/x86/include/asm/desc.h ---- linux-2.6.39.3/arch/x86/include/asm/desc.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/include/asm/desc.h 2011-05-22 19:36:30.000000000 -0400 -@@ -4,6 +4,7 @@ - #include <asm/desc_defs.h> - #include <asm/ldt.h> - #include <asm/mmu.h> -+#include <asm/pgtable.h> - #include <linux/smp.h> - - static inline void fill_ldt(struct desc_struct *desc, -@@ -15,6 +16,7 @@ static inline void fill_ldt(struct desc_ - desc->base1 = (info->base_addr & 0x00ff0000) >> 16; - desc->type = (info->read_exec_only ^ 1) << 1; - desc->type |= info->contents << 2; -+ desc->type |= info->seg_not_present ^ 1; - desc->s = 1; - desc->dpl = 0x3; - desc->p = info->seg_not_present ^ 1; -@@ -31,16 +33,12 @@ static inline void fill_ldt(struct desc_ - } - - extern struct desc_ptr idt_descr; --extern gate_desc idt_table[]; -- --struct gdt_page { -- struct desc_struct gdt[GDT_ENTRIES]; --} __attribute__((aligned(PAGE_SIZE))); --DECLARE_PER_CPU_PAGE_ALIGNED(struct gdt_page, gdt_page); -+extern gate_desc idt_table[256]; - -+extern struct desc_struct cpu_gdt_table[NR_CPUS][PAGE_SIZE / sizeof(struct desc_struct)]; - static inline struct desc_struct *get_cpu_gdt_table(unsigned int cpu) - { -- return per_cpu(gdt_page, cpu).gdt; -+ return cpu_gdt_table[cpu]; - } - - #ifdef CONFIG_X86_64 -@@ -65,9 +63,14 @@ static inline void pack_gate(gate_desc * - unsigned long base, unsigned dpl, unsigned flags, - unsigned short seg) - { -- gate->a = (seg << 16) | (base & 0xffff); -- gate->b = (base & 0xffff0000) | -- (((0x80 | type | (dpl << 5)) & 0xff) << 8); -+ gate->gate.offset_low = base; -+ gate->gate.seg = seg; -+ gate->gate.reserved = 0; -+ gate->gate.type = type; -+ gate->gate.s = 0; -+ gate->gate.dpl = dpl; -+ gate->gate.p = 1; -+ gate->gate.offset_high = base >> 16; - } - - #endif -@@ -115,13 +118,17 @@ static inline void paravirt_free_ldt(str - static inline void native_write_idt_entry(gate_desc *idt, int entry, - const gate_desc *gate) - { -+ pax_open_kernel(); - memcpy(&idt[entry], gate, sizeof(*gate)); -+ pax_close_kernel(); - } - - static inline void native_write_ldt_entry(struct desc_struct *ldt, int entry, - const void *desc) - { -+ pax_open_kernel(); - memcpy(&ldt[entry], desc, 8); -+ pax_close_kernel(); - } - - static inline void native_write_gdt_entry(struct desc_struct *gdt, int entry, -@@ -139,7 +146,10 @@ static inline void native_write_gdt_entr - size = sizeof(struct desc_struct); - break; - } -+ -+ pax_open_kernel(); - memcpy(&gdt[entry], desc, size); -+ pax_close_kernel(); - } - - static inline void pack_descriptor(struct desc_struct *desc, unsigned long base, -@@ -211,7 +221,9 @@ static inline void native_set_ldt(const - - static inline void native_load_tr_desc(void) - { -+ pax_open_kernel(); - asm volatile("ltr %w0"::"q" (GDT_ENTRY_TSS*8)); -+ pax_close_kernel(); - } - - static inline void native_load_gdt(const struct desc_ptr *dtr) -@@ -246,8 +258,10 @@ static inline void native_load_tls(struc - unsigned int i; - struct desc_struct *gdt = get_cpu_gdt_table(cpu); - -+ pax_open_kernel(); - for (i = 0; i < GDT_ENTRY_TLS_ENTRIES; i++) - gdt[GDT_ENTRY_TLS_MIN + i] = t->tls_array[i]; -+ pax_close_kernel(); - } - - #define _LDT_empty(info) \ -@@ -309,7 +323,7 @@ static inline void set_desc_limit(struct - desc->limit = (limit >> 16) & 0xf; - } - --static inline void _set_gate(int gate, unsigned type, void *addr, -+static inline void _set_gate(int gate, unsigned type, const void *addr, - unsigned dpl, unsigned ist, unsigned seg) - { - gate_desc s; -@@ -327,7 +341,7 @@ static inline void _set_gate(int gate, u - * Pentium F0 0F bugfix can have resulted in the mapped - * IDT being write-protected. - */ --static inline void set_intr_gate(unsigned int n, void *addr) -+static inline void set_intr_gate(unsigned int n, const void *addr) - { - BUG_ON((unsigned)n > 0xFF); - _set_gate(n, GATE_INTERRUPT, addr, 0, 0, __KERNEL_CS); -@@ -356,19 +370,19 @@ static inline void alloc_intr_gate(unsig - /* - * This routine sets up an interrupt gate at directory privilege level 3. - */ --static inline void set_system_intr_gate(unsigned int n, void *addr) -+static inline void set_system_intr_gate(unsigned int n, const void *addr) - { - BUG_ON((unsigned)n > 0xFF); - _set_gate(n, GATE_INTERRUPT, addr, 0x3, 0, __KERNEL_CS); - } - --static inline void set_system_trap_gate(unsigned int n, void *addr) -+static inline void set_system_trap_gate(unsigned int n, const void *addr) - { - BUG_ON((unsigned)n > 0xFF); - _set_gate(n, GATE_TRAP, addr, 0x3, 0, __KERNEL_CS); - } - --static inline void set_trap_gate(unsigned int n, void *addr) -+static inline void set_trap_gate(unsigned int n, const void *addr) - { - BUG_ON((unsigned)n > 0xFF); - _set_gate(n, GATE_TRAP, addr, 0, 0, __KERNEL_CS); -@@ -377,19 +391,31 @@ static inline void set_trap_gate(unsigne - static inline void set_task_gate(unsigned int n, unsigned int gdt_entry) - { - BUG_ON((unsigned)n > 0xFF); -- _set_gate(n, GATE_TASK, (void *)0, 0, 0, (gdt_entry<<3)); -+ _set_gate(n, GATE_TASK, (const void *)0, 0, 0, (gdt_entry<<3)); - } - --static inline void set_intr_gate_ist(int n, void *addr, unsigned ist) -+static inline void set_intr_gate_ist(int n, const void *addr, unsigned ist) - { - BUG_ON((unsigned)n > 0xFF); - _set_gate(n, GATE_INTERRUPT, addr, 0, ist, __KERNEL_CS); - } - --static inline void set_system_intr_gate_ist(int n, void *addr, unsigned ist) -+static inline void set_system_intr_gate_ist(int n, const void *addr, unsigned ist) - { - BUG_ON((unsigned)n > 0xFF); - _set_gate(n, GATE_INTERRUPT, addr, 0x3, ist, __KERNEL_CS); - } - -+#ifdef CONFIG_X86_32 -+static inline void set_user_cs(unsigned long base, unsigned long limit, int cpu) -+{ -+ struct desc_struct d; -+ -+ if (likely(limit)) -+ limit = (limit - 1UL) >> PAGE_SHIFT; -+ pack_descriptor(&d, base, limit, 0xFB, 0xC); -+ write_gdt_entry(get_cpu_gdt_table(cpu), GDT_ENTRY_DEFAULT_USER_CS, &d, DESCTYPE_S); -+} -+#endif -+ - #endif /* _ASM_X86_DESC_H */ -diff -urNp linux-2.6.39.3/arch/x86/include/asm/device.h linux-2.6.39.3/arch/x86/include/asm/device.h ---- linux-2.6.39.3/arch/x86/include/asm/device.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/include/asm/device.h 2011-05-22 19:36:30.000000000 -0400 -@@ -6,7 +6,7 @@ struct dev_archdata { - void *acpi_handle; - #endif - #ifdef CONFIG_X86_64 --struct dma_map_ops *dma_ops; -+ const struct dma_map_ops *dma_ops; - #endif - #if defined(CONFIG_DMAR) || defined(CONFIG_AMD_IOMMU) - void *iommu; /* hook for IOMMU specific extension */ -diff -urNp linux-2.6.39.3/arch/x86/include/asm/dma-mapping.h linux-2.6.39.3/arch/x86/include/asm/dma-mapping.h ---- linux-2.6.39.3/arch/x86/include/asm/dma-mapping.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/include/asm/dma-mapping.h 2011-05-22 19:36:30.000000000 -0400 -@@ -26,9 +26,9 @@ extern int iommu_merge; - extern struct device x86_dma_fallback_dev; - extern int panic_on_overflow; - --extern struct dma_map_ops *dma_ops; -+extern const struct dma_map_ops *dma_ops; - --static inline struct dma_map_ops *get_dma_ops(struct device *dev) -+static inline const struct dma_map_ops *get_dma_ops(struct device *dev) - { - #ifdef CONFIG_X86_32 - return dma_ops; -@@ -45,7 +45,7 @@ static inline struct dma_map_ops *get_dm - /* Make sure we keep the same behaviour */ - static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr) - { -- struct dma_map_ops *ops = get_dma_ops(dev); -+ const struct dma_map_ops *ops = get_dma_ops(dev); - if (ops->mapping_error) - return ops->mapping_error(dev, dma_addr); - -@@ -115,7 +115,7 @@ static inline void * - dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle, - gfp_t gfp) - { -- struct dma_map_ops *ops = get_dma_ops(dev); -+ const struct dma_map_ops *ops = get_dma_ops(dev); - void *memory; - - gfp &= ~(__GFP_DMA | __GFP_HIGHMEM | __GFP_DMA32); -@@ -142,7 +142,7 @@ dma_alloc_coherent(struct device *dev, s - static inline void dma_free_coherent(struct device *dev, size_t size, - void *vaddr, dma_addr_t bus) - { -- struct dma_map_ops *ops = get_dma_ops(dev); -+ const struct dma_map_ops *ops = get_dma_ops(dev); - - WARN_ON(irqs_disabled()); /* for portability */ - -diff -urNp linux-2.6.39.3/arch/x86/include/asm/e820.h linux-2.6.39.3/arch/x86/include/asm/e820.h ---- linux-2.6.39.3/arch/x86/include/asm/e820.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/include/asm/e820.h 2011-05-22 19:36:30.000000000 -0400 -@@ -69,7 +69,7 @@ struct e820map { - #define ISA_START_ADDRESS 0xa0000 - #define ISA_END_ADDRESS 0x100000 - --#define BIOS_BEGIN 0x000a0000 -+#define BIOS_BEGIN 0x000c0000 - #define BIOS_END 0x00100000 - - #define BIOS_ROM_BASE 0xffe00000 -diff -urNp linux-2.6.39.3/arch/x86/include/asm/elf.h linux-2.6.39.3/arch/x86/include/asm/elf.h ---- linux-2.6.39.3/arch/x86/include/asm/elf.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/include/asm/elf.h 2011-05-22 19:36:30.000000000 -0400 -@@ -237,7 +237,25 @@ extern int force_personality32; - the loader. We need to make sure that it is out of the way of the program - that it will "exec", and that there is sufficient room for the brk. */ - -+#ifdef CONFIG_PAX_SEGMEXEC -+#define ELF_ET_DYN_BASE ((current->mm->pax_flags & MF_PAX_SEGMEXEC) ? SEGMEXEC_TASK_SIZE/3*2 : TASK_SIZE/3*2) -+#else - #define ELF_ET_DYN_BASE (TASK_SIZE / 3 * 2) -+#endif -+ -+#ifdef CONFIG_PAX_ASLR -+#ifdef CONFIG_X86_32 -+#define PAX_ELF_ET_DYN_BASE 0x10000000UL -+ -+#define PAX_DELTA_MMAP_LEN (current->mm->pax_flags & MF_PAX_SEGMEXEC ? 15 : 16) -+#define PAX_DELTA_STACK_LEN (current->mm->pax_flags & MF_PAX_SEGMEXEC ? 15 : 16) -+#else -+#define PAX_ELF_ET_DYN_BASE 0x400000UL -+ -+#define PAX_DELTA_MMAP_LEN ((test_thread_flag(TIF_IA32)) ? 16 : TASK_SIZE_MAX_SHIFT - PAGE_SHIFT - 3) -+#define PAX_DELTA_STACK_LEN ((test_thread_flag(TIF_IA32)) ? 16 : TASK_SIZE_MAX_SHIFT - PAGE_SHIFT - 3) -+#endif -+#endif - - /* This yields a mask that user programs can use to figure out what - instruction set this CPU supports. This could be done in user space, -@@ -291,8 +309,7 @@ do { \ - #define ARCH_DLINFO \ - do { \ - if (vdso_enabled) \ -- NEW_AUX_ENT(AT_SYSINFO_EHDR, \ -- (unsigned long)current->mm->context.vdso); \ -+ NEW_AUX_ENT(AT_SYSINFO_EHDR, current->mm->context.vdso);\ - } while (0) - - #define AT_SYSINFO 32 -@@ -303,7 +320,7 @@ do { \ - - #endif /* !CONFIG_X86_32 */ - --#define VDSO_CURRENT_BASE ((unsigned long)current->mm->context.vdso) -+#define VDSO_CURRENT_BASE (current->mm->context.vdso) - - #define VDSO_ENTRY \ - ((unsigned long)VDSO32_SYMBOL(VDSO_CURRENT_BASE, vsyscall)) -@@ -317,7 +334,4 @@ extern int arch_setup_additional_pages(s - extern int syscall32_setup_pages(struct linux_binprm *, int exstack); - #define compat_arch_setup_additional_pages syscall32_setup_pages - --extern unsigned long arch_randomize_brk(struct mm_struct *mm); --#define arch_randomize_brk arch_randomize_brk -- - #endif /* _ASM_X86_ELF_H */ -diff -urNp linux-2.6.39.3/arch/x86/include/asm/emergency-restart.h linux-2.6.39.3/arch/x86/include/asm/emergency-restart.h ---- linux-2.6.39.3/arch/x86/include/asm/emergency-restart.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/include/asm/emergency-restart.h 2011-05-22 19:36:30.000000000 -0400 -@@ -15,6 +15,6 @@ enum reboot_type { - - extern enum reboot_type reboot_type; - --extern void machine_emergency_restart(void); -+extern void machine_emergency_restart(void) __noreturn; - - #endif /* _ASM_X86_EMERGENCY_RESTART_H */ -diff -urNp linux-2.6.39.3/arch/x86/include/asm/futex.h linux-2.6.39.3/arch/x86/include/asm/futex.h ---- linux-2.6.39.3/arch/x86/include/asm/futex.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/include/asm/futex.h 2011-05-22 19:36:30.000000000 -0400 -@@ -12,16 +12,18 @@ - #include <asm/system.h> - - #define __futex_atomic_op1(insn, ret, oldval, uaddr, oparg) \ -+ typecheck(u32 *, uaddr); \ - asm volatile("1:\t" insn "\n" \ - "2:\t.section .fixup,\"ax\"\n" \ - "3:\tmov\t%3, %1\n" \ - "\tjmp\t2b\n" \ - "\t.previous\n" \ - _ASM_EXTABLE(1b, 3b) \ -- : "=r" (oldval), "=r" (ret), "+m" (*uaddr) \ -+ : "=r" (oldval), "=r" (ret), "+m" (*(u32 *)____m(uaddr))\ - : "i" (-EFAULT), "0" (oparg), "1" (0)) - - #define __futex_atomic_op2(insn, ret, oldval, uaddr, oparg) \ -+ typecheck(u32 *, uaddr); \ - asm volatile("1:\tmovl %2, %0\n" \ - "\tmovl\t%0, %3\n" \ - "\t" insn "\n" \ -@@ -34,7 +36,7 @@ - _ASM_EXTABLE(1b, 4b) \ - _ASM_EXTABLE(2b, 4b) \ - : "=&a" (oldval), "=&r" (ret), \ -- "+m" (*uaddr), "=&r" (tem) \ -+ "+m" (*(u32 *)____m(uaddr)), "=&r" (tem) \ - : "r" (oparg), "i" (-EFAULT), "1" (0)) - - static inline int futex_atomic_op_inuser(int encoded_op, u32 __user *uaddr) -@@ -61,10 +63,10 @@ static inline int futex_atomic_op_inuser - - switch (op) { - case FUTEX_OP_SET: -- __futex_atomic_op1("xchgl %0, %2", ret, oldval, uaddr, oparg); -+ __futex_atomic_op1(__copyuser_seg"xchgl %0, %2", ret, oldval, uaddr, oparg); - break; - case FUTEX_OP_ADD: -- __futex_atomic_op1(LOCK_PREFIX "xaddl %0, %2", ret, oldval, -+ __futex_atomic_op1(LOCK_PREFIX __copyuser_seg"xaddl %0, %2", ret, oldval, - uaddr, oparg); - break; - case FUTEX_OP_OR: -@@ -123,13 +125,13 @@ static inline int futex_atomic_cmpxchg_i - if (!access_ok(VERIFY_WRITE, uaddr, sizeof(u32))) - return -EFAULT; - -- asm volatile("1:\t" LOCK_PREFIX "cmpxchgl %4, %2\n" -+ asm volatile("1:\t" LOCK_PREFIX __copyuser_seg"cmpxchgl %4, %2\n" - "2:\t.section .fixup, \"ax\"\n" - "3:\tmov %3, %0\n" - "\tjmp 2b\n" - "\t.previous\n" - _ASM_EXTABLE(1b, 3b) -- : "+r" (ret), "=a" (oldval), "+m" (*uaddr) -+ : "+r" (ret), "=a" (oldval), "+m" (*(u32 *)____m(uaddr)) - : "i" (-EFAULT), "r" (newval), "1" (oldval) - : "memory" - ); -diff -urNp linux-2.6.39.3/arch/x86/include/asm/hw_irq.h linux-2.6.39.3/arch/x86/include/asm/hw_irq.h ---- linux-2.6.39.3/arch/x86/include/asm/hw_irq.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/include/asm/hw_irq.h 2011-05-22 19:36:30.000000000 -0400 -@@ -137,8 +137,8 @@ extern void setup_ioapic_dest(void); - extern void enable_IO_APIC(void); - - /* Statistics */ --extern atomic_t irq_err_count; --extern atomic_t irq_mis_count; -+extern atomic_unchecked_t irq_err_count; -+extern atomic_unchecked_t irq_mis_count; - - /* EISA */ - extern void eisa_set_level_irq(unsigned int irq); -diff -urNp linux-2.6.39.3/arch/x86/include/asm/i387.h linux-2.6.39.3/arch/x86/include/asm/i387.h ---- linux-2.6.39.3/arch/x86/include/asm/i387.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/include/asm/i387.h 2011-05-22 19:36:30.000000000 -0400 -@@ -92,6 +92,11 @@ static inline int fxrstor_checking(struc - { - int err; - -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+ if ((unsigned long)fx < PAX_USER_SHADOW_BASE) -+ fx = (struct i387_fxsave_struct *)((void *)fx + PAX_USER_SHADOW_BASE); -+#endif -+ - /* See comment in fxsave() below. */ - #ifdef CONFIG_AS_FXSAVEQ - asm volatile("1: fxrstorq %[fx]\n\t" -@@ -121,6 +126,11 @@ static inline int fxsave_user(struct i38 - { - int err; - -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+ if ((unsigned long)fx < PAX_USER_SHADOW_BASE) -+ fx = (struct i387_fxsave_struct __user *)((void __user *)fx + PAX_USER_SHADOW_BASE); -+#endif -+ - /* - * Clear the bytes not touched by the fxsave and reserved - * for the SW usage. -@@ -213,13 +223,8 @@ static inline void fpu_fxsave(struct fpu - #endif /* CONFIG_X86_64 */ - - /* We need a safe address that is cheap to find and that is already -- in L1 during context switch. The best choices are unfortunately -- different for UP and SMP */ --#ifdef CONFIG_SMP --#define safe_address (__per_cpu_offset[0]) --#else --#define safe_address (kstat_cpu(0).cpustat.user) --#endif -+ in L1 during context switch. */ -+#define safe_address (init_tss[smp_processor_id()].x86_tss.sp0) - - /* - * These must be called with preempt disabled -@@ -312,7 +317,7 @@ static inline void kernel_fpu_begin(void - struct thread_info *me = current_thread_info(); - preempt_disable(); - if (me->status & TS_USEDFPU) -- __save_init_fpu(me->task); -+ __save_init_fpu(current); - else - clts(); - } -diff -urNp linux-2.6.39.3/arch/x86/include/asm/io.h linux-2.6.39.3/arch/x86/include/asm/io.h ---- linux-2.6.39.3/arch/x86/include/asm/io.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/include/asm/io.h 2011-05-22 19:36:30.000000000 -0400 -@@ -216,6 +216,17 @@ extern void set_iounmap_nonlazy(void); - - #include <linux/vmalloc.h> - -+#define ARCH_HAS_VALID_PHYS_ADDR_RANGE -+static inline int valid_phys_addr_range(unsigned long addr, size_t count) -+{ -+ return ((addr + count + PAGE_SIZE - 1) >> PAGE_SHIFT) < (1ULL << (boot_cpu_data.x86_phys_bits - PAGE_SHIFT)) ? 1 : 0; -+} -+ -+static inline int valid_mmap_phys_addr_range(unsigned long pfn, size_t count) -+{ -+ return (pfn + (count >> PAGE_SHIFT)) < (1ULL << (boot_cpu_data.x86_phys_bits - PAGE_SHIFT)) ? 1 : 0; -+} -+ - /* - * Convert a virtual cached pointer to an uncached pointer - */ -diff -urNp linux-2.6.39.3/arch/x86/include/asm/iommu.h linux-2.6.39.3/arch/x86/include/asm/iommu.h ---- linux-2.6.39.3/arch/x86/include/asm/iommu.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/include/asm/iommu.h 2011-05-22 19:36:30.000000000 -0400 -@@ -1,7 +1,7 @@ - #ifndef _ASM_X86_IOMMU_H - #define _ASM_X86_IOMMU_H - --extern struct dma_map_ops nommu_dma_ops; -+extern const struct dma_map_ops nommu_dma_ops; - extern int force_iommu, no_iommu; - extern int iommu_detected; - extern int iommu_pass_through; -diff -urNp linux-2.6.39.3/arch/x86/include/asm/irqflags.h linux-2.6.39.3/arch/x86/include/asm/irqflags.h ---- linux-2.6.39.3/arch/x86/include/asm/irqflags.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/include/asm/irqflags.h 2011-05-22 19:36:30.000000000 -0400 -@@ -140,6 +140,11 @@ static inline unsigned long arch_local_i - sti; \ - sysexit - -+#define GET_CR0_INTO_RDI mov %cr0, %rdi -+#define SET_RDI_INTO_CR0 mov %rdi, %cr0 -+#define GET_CR3_INTO_RDI mov %cr3, %rdi -+#define SET_RDI_INTO_CR3 mov %rdi, %cr3 -+ - #else - #define INTERRUPT_RETURN iret - #define ENABLE_INTERRUPTS_SYSEXIT sti; sysexit -diff -urNp linux-2.6.39.3/arch/x86/include/asm/kprobes.h linux-2.6.39.3/arch/x86/include/asm/kprobes.h ---- linux-2.6.39.3/arch/x86/include/asm/kprobes.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/include/asm/kprobes.h 2011-05-22 19:36:30.000000000 -0400 -@@ -37,13 +37,8 @@ typedef u8 kprobe_opcode_t; - #define RELATIVEJUMP_SIZE 5 - #define RELATIVECALL_OPCODE 0xe8 - #define RELATIVE_ADDR_SIZE 4 --#define MAX_STACK_SIZE 64 --#define MIN_STACK_SIZE(ADDR) \ -- (((MAX_STACK_SIZE) < (((unsigned long)current_thread_info()) + \ -- THREAD_SIZE - (unsigned long)(ADDR))) \ -- ? (MAX_STACK_SIZE) \ -- : (((unsigned long)current_thread_info()) + \ -- THREAD_SIZE - (unsigned long)(ADDR))) -+#define MAX_STACK_SIZE 64UL -+#define MIN_STACK_SIZE(ADDR) min(MAX_STACK_SIZE, current->thread.sp0 - (unsigned long)(ADDR)) - - #define flush_insn_slot(p) do { } while (0) - -diff -urNp linux-2.6.39.3/arch/x86/include/asm/kvm_host.h linux-2.6.39.3/arch/x86/include/asm/kvm_host.h ---- linux-2.6.39.3/arch/x86/include/asm/kvm_host.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/include/asm/kvm_host.h 2011-05-22 19:36:30.000000000 -0400 -@@ -419,7 +419,7 @@ struct kvm_arch { - unsigned int n_used_mmu_pages; - unsigned int n_requested_mmu_pages; - unsigned int n_max_mmu_pages; -- atomic_t invlpg_counter; -+ atomic_unchecked_t invlpg_counter; - struct hlist_head mmu_page_hash[KVM_NUM_MMU_PAGES]; - /* - * Hash table of struct kvm_mmu_page. -@@ -599,7 +599,7 @@ struct kvm_arch_async_pf { - bool direct_map; - }; - --extern struct kvm_x86_ops *kvm_x86_ops; -+extern const struct kvm_x86_ops *kvm_x86_ops; - - int kvm_mmu_module_init(void); - void kvm_mmu_module_exit(void); -diff -urNp linux-2.6.39.3/arch/x86/include/asm/local.h linux-2.6.39.3/arch/x86/include/asm/local.h ---- linux-2.6.39.3/arch/x86/include/asm/local.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/include/asm/local.h 2011-05-22 19:36:30.000000000 -0400 -@@ -18,26 +18,58 @@ typedef struct { - - static inline void local_inc(local_t *l) - { -- asm volatile(_ASM_INC "%0" -+ asm volatile(_ASM_INC "%0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ _ASM_DEC "%0\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ - : "+m" (l->a.counter)); - } - - static inline void local_dec(local_t *l) - { -- asm volatile(_ASM_DEC "%0" -+ asm volatile(_ASM_DEC "%0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ _ASM_INC "%0\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ - : "+m" (l->a.counter)); - } - - static inline void local_add(long i, local_t *l) - { -- asm volatile(_ASM_ADD "%1,%0" -+ asm volatile(_ASM_ADD "%1,%0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ _ASM_SUB "%1,%0\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ - : "+m" (l->a.counter) - : "ir" (i)); - } - - static inline void local_sub(long i, local_t *l) - { -- asm volatile(_ASM_SUB "%1,%0" -+ asm volatile(_ASM_SUB "%1,%0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ _ASM_ADD "%1,%0\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ - : "+m" (l->a.counter) - : "ir" (i)); - } -@@ -55,7 +87,16 @@ static inline int local_sub_and_test(lon - { - unsigned char c; - -- asm volatile(_ASM_SUB "%2,%0; sete %1" -+ asm volatile(_ASM_SUB "%2,%0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ _ASM_ADD "%2,%0\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ -+ "sete %1\n" - : "+m" (l->a.counter), "=qm" (c) - : "ir" (i) : "memory"); - return c; -@@ -73,7 +114,16 @@ static inline int local_dec_and_test(loc - { - unsigned char c; - -- asm volatile(_ASM_DEC "%0; sete %1" -+ asm volatile(_ASM_DEC "%0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ _ASM_INC "%0\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ -+ "sete %1\n" - : "+m" (l->a.counter), "=qm" (c) - : : "memory"); - return c != 0; -@@ -91,7 +141,16 @@ static inline int local_inc_and_test(loc - { - unsigned char c; - -- asm volatile(_ASM_INC "%0; sete %1" -+ asm volatile(_ASM_INC "%0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ _ASM_DEC "%0\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ -+ "sete %1\n" - : "+m" (l->a.counter), "=qm" (c) - : : "memory"); - return c != 0; -@@ -110,7 +169,16 @@ static inline int local_add_negative(lon - { - unsigned char c; - -- asm volatile(_ASM_ADD "%2,%0; sets %1" -+ asm volatile(_ASM_ADD "%2,%0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ _ASM_SUB "%2,%0\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ -+ "sets %1\n" - : "+m" (l->a.counter), "=qm" (c) - : "ir" (i) : "memory"); - return c; -@@ -133,7 +201,15 @@ static inline long local_add_return(long - #endif - /* Modern 486+ processor */ - __i = i; -- asm volatile(_ASM_XADD "%0, %1;" -+ asm volatile(_ASM_XADD "%0, %1\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ _ASM_MOV "%0,%1\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ - : "+r" (i), "+m" (l->a.counter) - : : "memory"); - return i + __i; -diff -urNp linux-2.6.39.3/arch/x86/include/asm/mce.h linux-2.6.39.3/arch/x86/include/asm/mce.h ---- linux-2.6.39.3/arch/x86/include/asm/mce.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/include/asm/mce.h 2011-05-22 19:36:30.000000000 -0400 -@@ -198,7 +198,7 @@ int mce_notify_irq(void); - void mce_notify_process(void); - - DECLARE_PER_CPU(struct mce, injectm); --extern struct file_operations mce_chrdev_ops; -+extern struct file_operations mce_chrdev_ops; /* cannot be const, see arch/x86/kernel/cpu/mcheck/mce. */ - - /* - * Exception handler -diff -urNp linux-2.6.39.3/arch/x86/include/asm/microcode.h linux-2.6.39.3/arch/x86/include/asm/microcode.h ---- linux-2.6.39.3/arch/x86/include/asm/microcode.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/include/asm/microcode.h 2011-05-22 19:36:30.000000000 -0400 -@@ -12,13 +12,13 @@ struct device; - enum ucode_state { UCODE_ERROR, UCODE_OK, UCODE_NFOUND }; - - struct microcode_ops { -- enum ucode_state (*request_microcode_user) (int cpu, -+ enum ucode_state (* const request_microcode_user) (int cpu, - const void __user *buf, size_t size); - -- enum ucode_state (*request_microcode_fw) (int cpu, -+ enum ucode_state (* const request_microcode_fw) (int cpu, - struct device *device); - -- void (*microcode_fini_cpu) (int cpu); -+ void (* const microcode_fini_cpu) (int cpu); - - /* - * The generic 'microcode_core' part guarantees that -@@ -38,16 +38,16 @@ struct ucode_cpu_info { - extern struct ucode_cpu_info ucode_cpu_info[]; - - #ifdef CONFIG_MICROCODE_INTEL --extern struct microcode_ops * __init init_intel_microcode(void); -+extern const struct microcode_ops * __init init_intel_microcode(void); - #else --static inline struct microcode_ops * __init init_intel_microcode(void) -+static inline const struct microcode_ops * __init init_intel_microcode(void) - { - return NULL; - } - #endif /* CONFIG_MICROCODE_INTEL */ - - #ifdef CONFIG_MICROCODE_AMD --extern struct microcode_ops * __init init_amd_microcode(void); -+extern const struct microcode_ops * __init init_amd_microcode(void); - - static inline void get_ucode_data(void *to, const u8 *from, size_t n) - { -@@ -55,7 +55,7 @@ static inline void get_ucode_data(void * - } - - #else --static inline struct microcode_ops * __init init_amd_microcode(void) -+static inline const struct microcode_ops * __init init_amd_microcode(void) - { - return NULL; - } -diff -urNp linux-2.6.39.3/arch/x86/include/asm/mman.h linux-2.6.39.3/arch/x86/include/asm/mman.h ---- linux-2.6.39.3/arch/x86/include/asm/mman.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/include/asm/mman.h 2011-05-22 19:36:30.000000000 -0400 -@@ -5,4 +5,14 @@ - - #include <asm-generic/mman.h> - -+#ifdef __KERNEL__ -+#ifndef __ASSEMBLY__ -+#ifdef CONFIG_X86_32 -+#define arch_mmap_check i386_mmap_check -+int i386_mmap_check(unsigned long addr, unsigned long len, -+ unsigned long flags); -+#endif -+#endif -+#endif -+ - #endif /* _ASM_X86_MMAN_H */ -diff -urNp linux-2.6.39.3/arch/x86/include/asm/mmu_context.h linux-2.6.39.3/arch/x86/include/asm/mmu_context.h ---- linux-2.6.39.3/arch/x86/include/asm/mmu_context.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/include/asm/mmu_context.h 2011-05-22 19:36:30.000000000 -0400 -@@ -24,6 +24,21 @@ void destroy_context(struct mm_struct *m - - static inline void enter_lazy_tlb(struct mm_struct *mm, struct task_struct *tsk) - { -+ -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+ unsigned int i; -+ pgd_t *pgd; -+ -+ pax_open_kernel(); -+ pgd = get_cpu_pgd(smp_processor_id()); -+ for (i = USER_PGD_PTRS; i < 2 * USER_PGD_PTRS; ++i) -+ if (paravirt_enabled()) -+ set_pgd(pgd+i, native_make_pgd(0)); -+ else -+ pgd[i] = native_make_pgd(0); -+ pax_close_kernel(); -+#endif -+ - #ifdef CONFIG_SMP - if (percpu_read(cpu_tlbstate.state) == TLBSTATE_OK) - percpu_write(cpu_tlbstate.state, TLBSTATE_LAZY); -@@ -34,16 +49,30 @@ static inline void switch_mm(struct mm_s - struct task_struct *tsk) - { - unsigned cpu = smp_processor_id(); -+#if defined(CONFIG_X86_32) && defined(CONFIG_SMP) -+ int tlbstate = TLBSTATE_OK; -+#endif - - if (likely(prev != next)) { - #ifdef CONFIG_SMP -+#ifdef CONFIG_X86_32 -+ tlbstate = percpu_read(cpu_tlbstate.state); -+#endif - percpu_write(cpu_tlbstate.state, TLBSTATE_OK); - percpu_write(cpu_tlbstate.active_mm, next); - #endif - cpumask_set_cpu(cpu, mm_cpumask(next)); - - /* Re-load page tables */ -+#ifdef CONFIG_PAX_PER_CPU_PGD -+ pax_open_kernel(); -+ __clone_user_pgds(get_cpu_pgd(cpu), next->pgd, USER_PGD_PTRS); -+ __shadow_user_pgds(get_cpu_pgd(cpu) + USER_PGD_PTRS, next->pgd, USER_PGD_PTRS); -+ pax_close_kernel(); -+ load_cr3(get_cpu_pgd(cpu)); -+#else - load_cr3(next->pgd); -+#endif - - /* stop flush ipis for the previous mm */ - cpumask_clear_cpu(cpu, mm_cpumask(prev)); -@@ -53,9 +82,38 @@ static inline void switch_mm(struct mm_s - */ - if (unlikely(prev->context.ldt != next->context.ldt)) - load_LDT_nolock(&next->context); -- } -+ -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_PAGEEXEC) && defined(CONFIG_SMP) -+ if (!(__supported_pte_mask & _PAGE_NX)) { -+ smp_mb__before_clear_bit(); -+ cpu_clear(cpu, prev->context.cpu_user_cs_mask); -+ smp_mb__after_clear_bit(); -+ cpu_set(cpu, next->context.cpu_user_cs_mask); -+ } -+#endif -+ -+#if defined(CONFIG_X86_32) && (defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC)) -+ if (unlikely(prev->context.user_cs_base != next->context.user_cs_base || -+ prev->context.user_cs_limit != next->context.user_cs_limit)) -+ set_user_cs(next->context.user_cs_base, next->context.user_cs_limit, cpu); - #ifdef CONFIG_SMP -+ else if (unlikely(tlbstate != TLBSTATE_OK)) -+ set_user_cs(next->context.user_cs_base, next->context.user_cs_limit, cpu); -+#endif -+#endif -+ -+ } - else { -+ -+#ifdef CONFIG_PAX_PER_CPU_PGD -+ pax_open_kernel(); -+ __clone_user_pgds(get_cpu_pgd(cpu), next->pgd, USER_PGD_PTRS); -+ __shadow_user_pgds(get_cpu_pgd(cpu) + USER_PGD_PTRS, next->pgd, USER_PGD_PTRS); -+ pax_close_kernel(); -+ load_cr3(get_cpu_pgd(cpu)); -+#endif -+ -+#ifdef CONFIG_SMP - percpu_write(cpu_tlbstate.state, TLBSTATE_OK); - BUG_ON(percpu_read(cpu_tlbstate.active_mm) != next); - -@@ -64,11 +122,28 @@ static inline void switch_mm(struct mm_s - * tlb flush IPI delivery. We must reload CR3 - * to make sure to use no freed page tables. - */ -+ -+#ifndef CONFIG_PAX_PER_CPU_PGD - load_cr3(next->pgd); -+#endif -+ - load_LDT_nolock(&next->context); -+ -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_PAGEEXEC) -+ if (!(__supported_pte_mask & _PAGE_NX)) -+ cpu_set(cpu, next->context.cpu_user_cs_mask); -+#endif -+ -+#if defined(CONFIG_X86_32) && (defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC)) -+#ifdef CONFIG_PAX_PAGEEXEC -+ if (!((next->pax_flags & MF_PAX_PAGEEXEC) && (__supported_pte_mask & _PAGE_NX))) -+#endif -+ set_user_cs(next->context.user_cs_base, next->context.user_cs_limit, cpu); -+#endif -+ - } -- } - #endif -+ } - } - - #define activate_mm(prev, next) \ -diff -urNp linux-2.6.39.3/arch/x86/include/asm/mmu.h linux-2.6.39.3/arch/x86/include/asm/mmu.h ---- linux-2.6.39.3/arch/x86/include/asm/mmu.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/include/asm/mmu.h 2011-05-22 19:36:30.000000000 -0400 -@@ -9,10 +9,22 @@ - * we put the segment information here. - */ - typedef struct { -- void *ldt; -+ struct desc_struct *ldt; - int size; - struct mutex lock; -- void *vdso; -+ unsigned long vdso; -+ -+#ifdef CONFIG_X86_32 -+#if defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC) -+ unsigned long user_cs_base; -+ unsigned long user_cs_limit; -+ -+#if defined(CONFIG_PAX_PAGEEXEC) && defined(CONFIG_SMP) -+ cpumask_t cpu_user_cs_mask; -+#endif -+ -+#endif -+#endif - - #ifdef CONFIG_X86_64 - /* True if mm supports a task running in 32 bit compatibility mode. */ -diff -urNp linux-2.6.39.3/arch/x86/include/asm/module.h linux-2.6.39.3/arch/x86/include/asm/module.h ---- linux-2.6.39.3/arch/x86/include/asm/module.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/include/asm/module.h 2011-05-22 19:41:32.000000000 -0400 -@@ -5,6 +5,7 @@ - - #ifdef CONFIG_X86_64 - /* X86_64 does not define MODULE_PROC_FAMILY */ -+#define MODULE_PROC_FAMILY "" - #elif defined CONFIG_M386 - #define MODULE_PROC_FAMILY "386 " - #elif defined CONFIG_M486 -@@ -59,8 +60,30 @@ - #error unknown processor family - #endif - --#ifdef CONFIG_X86_32 --# define MODULE_ARCH_VERMAGIC MODULE_PROC_FAMILY -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+#define MODULE_PAX_UDEREF "UDEREF " -+#else -+#define MODULE_PAX_UDEREF "" -+#endif -+ -+#ifdef CONFIG_PAX_KERNEXEC -+#define MODULE_PAX_KERNEXEC "KERNEXEC " -+#else -+#define MODULE_PAX_KERNEXEC "" - #endif - -+#ifdef CONFIG_PAX_REFCOUNT -+#define MODULE_PAX_REFCOUNT "REFCOUNT " -+#else -+#define MODULE_PAX_REFCOUNT "" -+#endif -+ -+#ifdef CONFIG_GRKERNSEC -+#define MODULE_GRSEC "GRSECURITY " -+#else -+#define MODULE_GRSEC "" -+#endif -+ -+#define MODULE_ARCH_VERMAGIC MODULE_PROC_FAMILY MODULE_GRSEC MODULE_PAX_KERNEXEC MODULE_PAX_UDEREF MODULE_PAX_REFCOUNT -+ - #endif /* _ASM_X86_MODULE_H */ -diff -urNp linux-2.6.39.3/arch/x86/include/asm/page_64_types.h linux-2.6.39.3/arch/x86/include/asm/page_64_types.h ---- linux-2.6.39.3/arch/x86/include/asm/page_64_types.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/include/asm/page_64_types.h 2011-05-22 19:36:30.000000000 -0400 -@@ -56,7 +56,7 @@ void copy_page(void *to, void *from); - - /* duplicated to the one in bootmem.h */ - extern unsigned long max_pfn; --extern unsigned long phys_base; -+extern const unsigned long phys_base; - - extern unsigned long __phys_addr(unsigned long); - #define __phys_reloc_hide(x) (x) -diff -urNp linux-2.6.39.3/arch/x86/include/asm/paravirt.h linux-2.6.39.3/arch/x86/include/asm/paravirt.h ---- linux-2.6.39.3/arch/x86/include/asm/paravirt.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/include/asm/paravirt.h 2011-05-22 19:36:30.000000000 -0400 -@@ -739,6 +739,21 @@ static inline void __set_fixmap(unsigned - pv_mmu_ops.set_fixmap(idx, phys, flags); - } - -+#ifdef CONFIG_PAX_KERNEXEC -+static inline unsigned long pax_open_kernel(void) -+{ -+ return PVOP_CALL0(unsigned long, pv_mmu_ops.pax_open_kernel); -+} -+ -+static inline unsigned long pax_close_kernel(void) -+{ -+ return PVOP_CALL0(unsigned long, pv_mmu_ops.pax_close_kernel); -+} -+#else -+static inline unsigned long pax_open_kernel(void) { return 0; } -+static inline unsigned long pax_close_kernel(void) { return 0; } -+#endif -+ - #if defined(CONFIG_SMP) && defined(CONFIG_PARAVIRT_SPINLOCKS) - - static inline int arch_spin_is_locked(struct arch_spinlock *lock) -@@ -955,7 +970,7 @@ extern void default_banner(void); - - #define PARA_PATCH(struct, off) ((PARAVIRT_PATCH_##struct + (off)) / 4) - #define PARA_SITE(ptype, clobbers, ops) _PVSITE(ptype, clobbers, ops, .long, 4) --#define PARA_INDIRECT(addr) *%cs:addr -+#define PARA_INDIRECT(addr) *%ss:addr - #endif - - #define INTERRUPT_RETURN \ -@@ -1032,6 +1047,21 @@ extern void default_banner(void); - PARA_SITE(PARA_PATCH(pv_cpu_ops, PV_CPU_irq_enable_sysexit), \ - CLBR_NONE, \ - jmp PARA_INDIRECT(pv_cpu_ops+PV_CPU_irq_enable_sysexit)) -+ -+#define GET_CR0_INTO_RDI \ -+ call PARA_INDIRECT(pv_cpu_ops+PV_CPU_read_cr0); \ -+ mov %rax,%rdi -+ -+#define SET_RDI_INTO_CR0 \ -+ call PARA_INDIRECT(pv_cpu_ops+PV_CPU_write_cr0) -+ -+#define GET_CR3_INTO_RDI \ -+ call PARA_INDIRECT(pv_mmu_ops+PV_MMU_read_cr3); \ -+ mov %rax,%rdi -+ -+#define SET_RDI_INTO_CR3 \ -+ call PARA_INDIRECT(pv_mmu_ops+PV_MMU_write_cr3) -+ - #endif /* CONFIG_X86_32 */ - - #endif /* __ASSEMBLY__ */ -diff -urNp linux-2.6.39.3/arch/x86/include/asm/paravirt_types.h linux-2.6.39.3/arch/x86/include/asm/paravirt_types.h ---- linux-2.6.39.3/arch/x86/include/asm/paravirt_types.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/include/asm/paravirt_types.h 2011-05-22 19:36:30.000000000 -0400 -@@ -317,6 +317,12 @@ struct pv_mmu_ops { - an mfn. We can tell which is which from the index. */ - void (*set_fixmap)(unsigned /* enum fixed_addresses */ idx, - phys_addr_t phys, pgprot_t flags); -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ unsigned long (*pax_open_kernel)(void); -+ unsigned long (*pax_close_kernel)(void); -+#endif -+ - }; - - struct arch_spinlock; -diff -urNp linux-2.6.39.3/arch/x86/include/asm/pci_x86.h linux-2.6.39.3/arch/x86/include/asm/pci_x86.h ---- linux-2.6.39.3/arch/x86/include/asm/pci_x86.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/include/asm/pci_x86.h 2011-05-22 19:36:30.000000000 -0400 -@@ -93,16 +93,16 @@ extern int (*pcibios_enable_irq)(struct - extern void (*pcibios_disable_irq)(struct pci_dev *dev); - - struct pci_raw_ops { -- int (*read)(unsigned int domain, unsigned int bus, unsigned int devfn, -+ int (* const read)(unsigned int domain, unsigned int bus, unsigned int devfn, - int reg, int len, u32 *val); -- int (*write)(unsigned int domain, unsigned int bus, unsigned int devfn, -+ int (* const write)(unsigned int domain, unsigned int bus, unsigned int devfn, - int reg, int len, u32 val); - }; - --extern struct pci_raw_ops *raw_pci_ops; --extern struct pci_raw_ops *raw_pci_ext_ops; -+extern const struct pci_raw_ops *raw_pci_ops; -+extern const struct pci_raw_ops *raw_pci_ext_ops; - --extern struct pci_raw_ops pci_direct_conf1; -+extern const struct pci_raw_ops pci_direct_conf1; - extern bool port_cf9_safe; - - /* arch_initcall level */ -diff -urNp linux-2.6.39.3/arch/x86/include/asm/pgalloc.h linux-2.6.39.3/arch/x86/include/asm/pgalloc.h ---- linux-2.6.39.3/arch/x86/include/asm/pgalloc.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/include/asm/pgalloc.h 2011-05-22 19:36:30.000000000 -0400 -@@ -63,6 +63,13 @@ static inline void pmd_populate_kernel(s - pmd_t *pmd, pte_t *pte) - { - paravirt_alloc_pte(mm, __pa(pte) >> PAGE_SHIFT); -+ set_pmd(pmd, __pmd(__pa(pte) | _KERNPG_TABLE)); -+} -+ -+static inline void pmd_populate_user(struct mm_struct *mm, -+ pmd_t *pmd, pte_t *pte) -+{ -+ paravirt_alloc_pte(mm, __pa(pte) >> PAGE_SHIFT); - set_pmd(pmd, __pmd(__pa(pte) | _PAGE_TABLE)); - } - -diff -urNp linux-2.6.39.3/arch/x86/include/asm/pgtable-2level.h linux-2.6.39.3/arch/x86/include/asm/pgtable-2level.h ---- linux-2.6.39.3/arch/x86/include/asm/pgtable-2level.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/include/asm/pgtable-2level.h 2011-05-22 19:36:30.000000000 -0400 -@@ -18,7 +18,9 @@ static inline void native_set_pte(pte_t - - static inline void native_set_pmd(pmd_t *pmdp, pmd_t pmd) - { -+ pax_open_kernel(); - *pmdp = pmd; -+ pax_close_kernel(); - } - - static inline void native_set_pte_atomic(pte_t *ptep, pte_t pte) -diff -urNp linux-2.6.39.3/arch/x86/include/asm/pgtable_32.h linux-2.6.39.3/arch/x86/include/asm/pgtable_32.h ---- linux-2.6.39.3/arch/x86/include/asm/pgtable_32.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/include/asm/pgtable_32.h 2011-05-22 19:36:30.000000000 -0400 -@@ -25,9 +25,6 @@ - struct mm_struct; - struct vm_area_struct; - --extern pgd_t swapper_pg_dir[1024]; --extern pgd_t initial_page_table[1024]; -- - static inline void pgtable_cache_init(void) { } - static inline void check_pgt_cache(void) { } - void paging_init(void); -@@ -48,6 +45,12 @@ extern void set_pmd_pfn(unsigned long, u - # include <asm/pgtable-2level.h> - #endif - -+extern pgd_t swapper_pg_dir[PTRS_PER_PGD]; -+extern pgd_t initial_page_table[PTRS_PER_PGD]; -+#ifdef CONFIG_X86_PAE -+extern pmd_t swapper_pm_dir[PTRS_PER_PGD][PTRS_PER_PMD]; -+#endif -+ - #if defined(CONFIG_HIGHPTE) - #define pte_offset_map(dir, address) \ - ((pte_t *)kmap_atomic(pmd_page(*(dir))) + \ -@@ -62,7 +65,9 @@ extern void set_pmd_pfn(unsigned long, u - /* Clear a kernel PTE and flush it from the TLB */ - #define kpte_clear_flush(ptep, vaddr) \ - do { \ -+ pax_open_kernel(); \ - pte_clear(&init_mm, (vaddr), (ptep)); \ -+ pax_close_kernel(); \ - __flush_tlb_one((vaddr)); \ - } while (0) - -@@ -74,6 +79,9 @@ do { \ - - #endif /* !__ASSEMBLY__ */ - -+#define HAVE_ARCH_UNMAPPED_AREA -+#define HAVE_ARCH_UNMAPPED_AREA_TOPDOWN -+ - /* - * kern_addr_valid() is (1) for FLATMEM and (0) for - * SPARSEMEM and DISCONTIGMEM -diff -urNp linux-2.6.39.3/arch/x86/include/asm/pgtable_32_types.h linux-2.6.39.3/arch/x86/include/asm/pgtable_32_types.h ---- linux-2.6.39.3/arch/x86/include/asm/pgtable_32_types.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/include/asm/pgtable_32_types.h 2011-05-22 19:36:30.000000000 -0400 -@@ -8,7 +8,7 @@ - */ - #ifdef CONFIG_X86_PAE - # include <asm/pgtable-3level_types.h> --# define PMD_SIZE (1UL << PMD_SHIFT) -+# define PMD_SIZE (_AC(1, UL) << PMD_SHIFT) - # define PMD_MASK (~(PMD_SIZE - 1)) - #else - # include <asm/pgtable-2level_types.h> -@@ -46,6 +46,19 @@ extern bool __vmalloc_start_set; /* set - # define VMALLOC_END (FIXADDR_START - 2 * PAGE_SIZE) - #endif - -+#ifdef CONFIG_PAX_KERNEXEC -+#ifndef __ASSEMBLY__ -+extern unsigned char MODULES_EXEC_VADDR[]; -+extern unsigned char MODULES_EXEC_END[]; -+#endif -+#include <asm/boot.h> -+#define ktla_ktva(addr) (addr + LOAD_PHYSICAL_ADDR + PAGE_OFFSET) -+#define ktva_ktla(addr) (addr - LOAD_PHYSICAL_ADDR - PAGE_OFFSET) -+#else -+#define ktla_ktva(addr) (addr) -+#define ktva_ktla(addr) (addr) -+#endif -+ - #define MODULES_VADDR VMALLOC_START - #define MODULES_END VMALLOC_END - #define MODULES_LEN (MODULES_VADDR - MODULES_END) -diff -urNp linux-2.6.39.3/arch/x86/include/asm/pgtable-3level.h linux-2.6.39.3/arch/x86/include/asm/pgtable-3level.h ---- linux-2.6.39.3/arch/x86/include/asm/pgtable-3level.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/include/asm/pgtable-3level.h 2011-05-22 19:36:30.000000000 -0400 -@@ -38,12 +38,16 @@ static inline void native_set_pte_atomic - - static inline void native_set_pmd(pmd_t *pmdp, pmd_t pmd) - { -+ pax_open_kernel(); - set_64bit((unsigned long long *)(pmdp), native_pmd_val(pmd)); -+ pax_close_kernel(); - } - - static inline void native_set_pud(pud_t *pudp, pud_t pud) - { -+ pax_open_kernel(); - set_64bit((unsigned long long *)(pudp), native_pud_val(pud)); -+ pax_close_kernel(); - } - - /* -diff -urNp linux-2.6.39.3/arch/x86/include/asm/pgtable_64.h linux-2.6.39.3/arch/x86/include/asm/pgtable_64.h ---- linux-2.6.39.3/arch/x86/include/asm/pgtable_64.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/include/asm/pgtable_64.h 2011-05-22 19:36:30.000000000 -0400 -@@ -16,10 +16,13 @@ - - extern pud_t level3_kernel_pgt[512]; - extern pud_t level3_ident_pgt[512]; -+extern pud_t level3_vmalloc_pgt[512]; -+extern pud_t level3_vmemmap_pgt[512]; -+extern pud_t level2_vmemmap_pgt[512]; - extern pmd_t level2_kernel_pgt[512]; - extern pmd_t level2_fixmap_pgt[512]; --extern pmd_t level2_ident_pgt[512]; --extern pgd_t init_level4_pgt[]; -+extern pmd_t level2_ident_pgt[512*2]; -+extern pgd_t init_level4_pgt[512]; - - #define swapper_pg_dir init_level4_pgt - -@@ -61,7 +64,9 @@ static inline void native_set_pte_atomic - - static inline void native_set_pmd(pmd_t *pmdp, pmd_t pmd) - { -+ pax_open_kernel(); - *pmdp = pmd; -+ pax_close_kernel(); - } - - static inline void native_pmd_clear(pmd_t *pmd) -@@ -107,7 +112,9 @@ static inline void native_pud_clear(pud_ - - static inline void native_set_pgd(pgd_t *pgdp, pgd_t pgd) - { -+ pax_open_kernel(); - *pgdp = pgd; -+ pax_close_kernel(); - } - - static inline void native_pgd_clear(pgd_t *pgd) -diff -urNp linux-2.6.39.3/arch/x86/include/asm/pgtable_64_types.h linux-2.6.39.3/arch/x86/include/asm/pgtable_64_types.h ---- linux-2.6.39.3/arch/x86/include/asm/pgtable_64_types.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/include/asm/pgtable_64_types.h 2011-05-22 19:36:30.000000000 -0400 -@@ -59,5 +59,10 @@ typedef struct { pteval_t pte; } pte_t; - #define MODULES_VADDR _AC(0xffffffffa0000000, UL) - #define MODULES_END _AC(0xffffffffff000000, UL) - #define MODULES_LEN (MODULES_END - MODULES_VADDR) -+#define MODULES_EXEC_VADDR MODULES_VADDR -+#define MODULES_EXEC_END MODULES_END -+ -+#define ktla_ktva(addr) (addr) -+#define ktva_ktla(addr) (addr) - - #endif /* _ASM_X86_PGTABLE_64_DEFS_H */ -diff -urNp linux-2.6.39.3/arch/x86/include/asm/pgtable.h linux-2.6.39.3/arch/x86/include/asm/pgtable.h ---- linux-2.6.39.3/arch/x86/include/asm/pgtable.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/include/asm/pgtable.h 2011-05-22 19:36:30.000000000 -0400 -@@ -81,12 +81,51 @@ extern struct mm_struct *pgd_page_get_mm - - #define arch_end_context_switch(prev) do {} while(0) - -+#define pax_open_kernel() native_pax_open_kernel() -+#define pax_close_kernel() native_pax_close_kernel() - #endif /* CONFIG_PARAVIRT */ - -+#define __HAVE_ARCH_PAX_OPEN_KERNEL -+#define __HAVE_ARCH_PAX_CLOSE_KERNEL -+ -+#ifdef CONFIG_PAX_KERNEXEC -+static inline unsigned long native_pax_open_kernel(void) -+{ -+ unsigned long cr0; -+ -+ preempt_disable(); -+ barrier(); -+ cr0 = read_cr0() ^ X86_CR0_WP; -+ BUG_ON(unlikely(cr0 & X86_CR0_WP)); -+ write_cr0(cr0); -+ return cr0 ^ X86_CR0_WP; -+} -+ -+static inline unsigned long native_pax_close_kernel(void) -+{ -+ unsigned long cr0; -+ -+ cr0 = read_cr0() ^ X86_CR0_WP; -+ BUG_ON(unlikely(!(cr0 & X86_CR0_WP))); -+ write_cr0(cr0); -+ barrier(); -+ preempt_enable_no_resched(); -+ return cr0 ^ X86_CR0_WP; -+} -+#else -+static inline unsigned long native_pax_open_kernel(void) { return 0; } -+static inline unsigned long native_pax_close_kernel(void) { return 0; } -+#endif -+ - /* - * The following only work if pte_present() is true. - * Undefined behaviour if not.. - */ -+static inline int pte_user(pte_t pte) -+{ -+ return pte_val(pte) & _PAGE_USER; -+} -+ - static inline int pte_dirty(pte_t pte) - { - return pte_flags(pte) & _PAGE_DIRTY; -@@ -196,9 +235,29 @@ static inline pte_t pte_wrprotect(pte_t - return pte_clear_flags(pte, _PAGE_RW); - } - -+static inline pte_t pte_mkread(pte_t pte) -+{ -+ return __pte(pte_val(pte) | _PAGE_USER); -+} -+ - static inline pte_t pte_mkexec(pte_t pte) - { -- return pte_clear_flags(pte, _PAGE_NX); -+#ifdef CONFIG_X86_PAE -+ if (__supported_pte_mask & _PAGE_NX) -+ return pte_clear_flags(pte, _PAGE_NX); -+ else -+#endif -+ return pte_set_flags(pte, _PAGE_USER); -+} -+ -+static inline pte_t pte_exprotect(pte_t pte) -+{ -+#ifdef CONFIG_X86_PAE -+ if (__supported_pte_mask & _PAGE_NX) -+ return pte_set_flags(pte, _PAGE_NX); -+ else -+#endif -+ return pte_clear_flags(pte, _PAGE_USER); - } - - static inline pte_t pte_mkdirty(pte_t pte) -@@ -390,6 +449,15 @@ pte_t *populate_extra_pte(unsigned long - #endif - - #ifndef __ASSEMBLY__ -+ -+#ifdef CONFIG_PAX_PER_CPU_PGD -+extern pgd_t cpu_pgd[NR_CPUS][PTRS_PER_PGD]; -+static inline pgd_t *get_cpu_pgd(unsigned int cpu) -+{ -+ return cpu_pgd[cpu]; -+} -+#endif -+ - #include <linux/mm_types.h> - - static inline int pte_none(pte_t pte) -@@ -560,7 +628,7 @@ static inline pud_t *pud_offset(pgd_t *p - - static inline int pgd_bad(pgd_t pgd) - { -- return (pgd_flags(pgd) & ~_PAGE_USER) != _KERNPG_TABLE; -+ return (pgd_flags(pgd) & ~(_PAGE_USER | _PAGE_NX)) != _KERNPG_TABLE; - } - - static inline int pgd_none(pgd_t pgd) -@@ -583,7 +651,12 @@ static inline int pgd_none(pgd_t pgd) - * pgd_offset() returns a (pgd_t *) - * pgd_index() is used get the offset into the pgd page's array of pgd_t's; - */ --#define pgd_offset(mm, address) ((mm)->pgd + pgd_index((address))) -+#define pgd_offset(mm, address) ((mm)->pgd + pgd_index(address)) -+ -+#ifdef CONFIG_PAX_PER_CPU_PGD -+#define pgd_offset_cpu(cpu, address) (get_cpu_pgd(cpu) + pgd_index(address)) -+#endif -+ - /* - * a shortcut which implies the use of the kernel's pgd, instead - * of a process's -@@ -594,6 +667,20 @@ static inline int pgd_none(pgd_t pgd) - #define KERNEL_PGD_BOUNDARY pgd_index(PAGE_OFFSET) - #define KERNEL_PGD_PTRS (PTRS_PER_PGD - KERNEL_PGD_BOUNDARY) - -+#ifdef CONFIG_X86_32 -+#define USER_PGD_PTRS KERNEL_PGD_BOUNDARY -+#else -+#define TASK_SIZE_MAX_SHIFT CONFIG_TASK_SIZE_MAX_SHIFT -+#define USER_PGD_PTRS (_AC(1,UL) << (TASK_SIZE_MAX_SHIFT - PGDIR_SHIFT)) -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+#define PAX_USER_SHADOW_BASE (_AC(1,UL) << TASK_SIZE_MAX_SHIFT) -+#else -+#define PAX_USER_SHADOW_BASE (_AC(0,UL)) -+#endif -+ -+#endif -+ - #ifndef __ASSEMBLY__ - - extern int direct_gbpages; -@@ -758,11 +845,23 @@ static inline void pmdp_set_wrprotect(st - * dst and src can be on the same page, but the range must not overlap, - * and must not cross a page boundary. - */ --static inline void clone_pgd_range(pgd_t *dst, pgd_t *src, int count) -+static inline void clone_pgd_range(pgd_t *dst, const pgd_t *src, int count) - { -- memcpy(dst, src, count * sizeof(pgd_t)); -+ pax_open_kernel(); -+ while (count--) -+ *dst++ = *src++; -+ pax_close_kernel(); - } - -+#ifdef CONFIG_PAX_PER_CPU_PGD -+extern void __clone_user_pgds(pgd_t *dst, const pgd_t *src, int count); -+#endif -+ -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+extern void __shadow_user_pgds(pgd_t *dst, const pgd_t *src, int count); -+#else -+static inline void __shadow_user_pgds(pgd_t *dst, const pgd_t *src, int count) {} -+#endif - - #include <asm-generic/pgtable.h> - #endif /* __ASSEMBLY__ */ -diff -urNp linux-2.6.39.3/arch/x86/include/asm/pgtable_types.h linux-2.6.39.3/arch/x86/include/asm/pgtable_types.h ---- linux-2.6.39.3/arch/x86/include/asm/pgtable_types.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/include/asm/pgtable_types.h 2011-05-22 19:36:30.000000000 -0400 -@@ -16,13 +16,12 @@ - #define _PAGE_BIT_PSE 7 /* 4 MB (or 2MB) page */ - #define _PAGE_BIT_PAT 7 /* on 4KB pages */ - #define _PAGE_BIT_GLOBAL 8 /* Global TLB entry PPro+ */ --#define _PAGE_BIT_UNUSED1 9 /* available for programmer */ -+#define _PAGE_BIT_SPECIAL 9 /* special mappings, no associated struct page */ - #define _PAGE_BIT_IOMAP 10 /* flag used to indicate IO mapping */ - #define _PAGE_BIT_HIDDEN 11 /* hidden by kmemcheck */ - #define _PAGE_BIT_PAT_LARGE 12 /* On 2MB or 1GB pages */ --#define _PAGE_BIT_SPECIAL _PAGE_BIT_UNUSED1 --#define _PAGE_BIT_CPA_TEST _PAGE_BIT_UNUSED1 --#define _PAGE_BIT_SPLITTING _PAGE_BIT_UNUSED1 /* only valid on a PSE pmd */ -+#define _PAGE_BIT_CPA_TEST _PAGE_BIT_SPECIAL -+#define _PAGE_BIT_SPLITTING _PAGE_BIT_SPECIAL /* only valid on a PSE pmd */ - #define _PAGE_BIT_NX 63 /* No execute: only valid after cpuid check */ - - /* If _PAGE_BIT_PRESENT is clear, we use these: */ -@@ -40,7 +39,6 @@ - #define _PAGE_DIRTY (_AT(pteval_t, 1) << _PAGE_BIT_DIRTY) - #define _PAGE_PSE (_AT(pteval_t, 1) << _PAGE_BIT_PSE) - #define _PAGE_GLOBAL (_AT(pteval_t, 1) << _PAGE_BIT_GLOBAL) --#define _PAGE_UNUSED1 (_AT(pteval_t, 1) << _PAGE_BIT_UNUSED1) - #define _PAGE_IOMAP (_AT(pteval_t, 1) << _PAGE_BIT_IOMAP) - #define _PAGE_PAT (_AT(pteval_t, 1) << _PAGE_BIT_PAT) - #define _PAGE_PAT_LARGE (_AT(pteval_t, 1) << _PAGE_BIT_PAT_LARGE) -@@ -57,8 +55,10 @@ - - #if defined(CONFIG_X86_64) || defined(CONFIG_X86_PAE) - #define _PAGE_NX (_AT(pteval_t, 1) << _PAGE_BIT_NX) --#else -+#elif defined(CONFIG_KMEMCHECK) - #define _PAGE_NX (_AT(pteval_t, 0)) -+#else -+#define _PAGE_NX (_AT(pteval_t, 1) << _PAGE_BIT_HIDDEN) - #endif - - #define _PAGE_FILE (_AT(pteval_t, 1) << _PAGE_BIT_FILE) -@@ -96,6 +96,9 @@ - #define PAGE_READONLY_EXEC __pgprot(_PAGE_PRESENT | _PAGE_USER | \ - _PAGE_ACCESSED) - -+#define PAGE_READONLY_NOEXEC PAGE_READONLY -+#define PAGE_SHARED_NOEXEC PAGE_SHARED -+ - #define __PAGE_KERNEL_EXEC \ - (_PAGE_PRESENT | _PAGE_RW | _PAGE_DIRTY | _PAGE_ACCESSED | _PAGE_GLOBAL) - #define __PAGE_KERNEL (__PAGE_KERNEL_EXEC | _PAGE_NX) -@@ -106,8 +109,8 @@ - #define __PAGE_KERNEL_WC (__PAGE_KERNEL | _PAGE_CACHE_WC) - #define __PAGE_KERNEL_NOCACHE (__PAGE_KERNEL | _PAGE_PCD | _PAGE_PWT) - #define __PAGE_KERNEL_UC_MINUS (__PAGE_KERNEL | _PAGE_PCD) --#define __PAGE_KERNEL_VSYSCALL (__PAGE_KERNEL_RX | _PAGE_USER) --#define __PAGE_KERNEL_VSYSCALL_NOCACHE (__PAGE_KERNEL_VSYSCALL | _PAGE_PCD | _PAGE_PWT) -+#define __PAGE_KERNEL_VSYSCALL (__PAGE_KERNEL_RO | _PAGE_USER) -+#define __PAGE_KERNEL_VSYSCALL_NOCACHE (__PAGE_KERNEL_RO | _PAGE_PCD | _PAGE_PWT | _PAGE_USER) - #define __PAGE_KERNEL_LARGE (__PAGE_KERNEL | _PAGE_PSE) - #define __PAGE_KERNEL_LARGE_NOCACHE (__PAGE_KERNEL | _PAGE_CACHE_UC | _PAGE_PSE) - #define __PAGE_KERNEL_LARGE_EXEC (__PAGE_KERNEL_EXEC | _PAGE_PSE) -@@ -166,8 +169,8 @@ - * bits are combined, this will alow user to access the high address mapped - * VDSO in the presence of CONFIG_COMPAT_VDSO - */ --#define PTE_IDENT_ATTR 0x003 /* PRESENT+RW */ --#define PDE_IDENT_ATTR 0x067 /* PRESENT+RW+USER+DIRTY+ACCESSED */ -+#define PTE_IDENT_ATTR 0x063 /* PRESENT+RW+DIRTY+ACCESSED */ -+#define PDE_IDENT_ATTR 0x063 /* PRESENT+RW+DIRTY+ACCESSED */ - #define PGD_IDENT_ATTR 0x001 /* PRESENT (no other attributes) */ - #endif - -@@ -205,7 +208,17 @@ static inline pgdval_t pgd_flags(pgd_t p - { - return native_pgd_val(pgd) & PTE_FLAGS_MASK; - } -+#endif - -+#if PAGETABLE_LEVELS == 3 -+#include <asm-generic/pgtable-nopud.h> -+#endif -+ -+#if PAGETABLE_LEVELS == 2 -+#include <asm-generic/pgtable-nopmd.h> -+#endif -+ -+#ifndef __ASSEMBLY__ - #if PAGETABLE_LEVELS > 3 - typedef struct { pudval_t pud; } pud_t; - -@@ -219,8 +232,6 @@ static inline pudval_t native_pud_val(pu - return pud.pud; - } - #else --#include <asm-generic/pgtable-nopud.h> -- - static inline pudval_t native_pud_val(pud_t pud) - { - return native_pgd_val(pud.pgd); -@@ -240,8 +251,6 @@ static inline pmdval_t native_pmd_val(pm - return pmd.pmd; - } - #else --#include <asm-generic/pgtable-nopmd.h> -- - static inline pmdval_t native_pmd_val(pmd_t pmd) - { - return native_pgd_val(pmd.pud.pgd); -@@ -281,7 +290,6 @@ typedef struct page *pgtable_t; - - extern pteval_t __supported_pte_mask; - extern void set_nx(void); --extern int nx_enabled; - - #define pgprot_writecombine pgprot_writecombine - extern pgprot_t pgprot_writecombine(pgprot_t prot); -diff -urNp linux-2.6.39.3/arch/x86/include/asm/processor.h linux-2.6.39.3/arch/x86/include/asm/processor.h ---- linux-2.6.39.3/arch/x86/include/asm/processor.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/include/asm/processor.h 2011-05-22 19:36:30.000000000 -0400 -@@ -266,7 +266,7 @@ struct tss_struct { - - } ____cacheline_aligned; - --DECLARE_PER_CPU_SHARED_ALIGNED(struct tss_struct, init_tss); -+extern struct tss_struct init_tss[NR_CPUS]; - - /* - * Save the original ist values for checking stack pointers during debugging -@@ -860,11 +860,18 @@ static inline void spin_lock_prefetch(co - */ - #define TASK_SIZE PAGE_OFFSET - #define TASK_SIZE_MAX TASK_SIZE -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+#define SEGMEXEC_TASK_SIZE (TASK_SIZE / 2) -+#define STACK_TOP ((current->mm->pax_flags & MF_PAX_SEGMEXEC)?SEGMEXEC_TASK_SIZE:TASK_SIZE) -+#else - #define STACK_TOP TASK_SIZE --#define STACK_TOP_MAX STACK_TOP -+#endif -+ -+#define STACK_TOP_MAX TASK_SIZE - - #define INIT_THREAD { \ -- .sp0 = sizeof(init_stack) + (long)&init_stack, \ -+ .sp0 = sizeof(init_stack) + (long)&init_stack - 8, \ - .vm86_info = NULL, \ - .sysenter_cs = __KERNEL_CS, \ - .io_bitmap_ptr = NULL, \ -@@ -878,7 +885,7 @@ static inline void spin_lock_prefetch(co - */ - #define INIT_TSS { \ - .x86_tss = { \ -- .sp0 = sizeof(init_stack) + (long)&init_stack, \ -+ .sp0 = sizeof(init_stack) + (long)&init_stack - 8, \ - .ss0 = __KERNEL_DS, \ - .ss1 = __KERNEL_CS, \ - .io_bitmap_base = INVALID_IO_BITMAP_OFFSET, \ -@@ -889,11 +896,7 @@ static inline void spin_lock_prefetch(co - extern unsigned long thread_saved_pc(struct task_struct *tsk); - - #define THREAD_SIZE_LONGS (THREAD_SIZE/sizeof(unsigned long)) --#define KSTK_TOP(info) \ --({ \ -- unsigned long *__ptr = (unsigned long *)(info); \ -- (unsigned long)(&__ptr[THREAD_SIZE_LONGS]); \ --}) -+#define KSTK_TOP(info) ((container_of(info, struct task_struct, tinfo))->thread.sp0) - - /* - * The below -8 is to reserve 8 bytes on top of the ring0 stack. -@@ -908,7 +911,7 @@ extern unsigned long thread_saved_pc(str - #define task_pt_regs(task) \ - ({ \ - struct pt_regs *__regs__; \ -- __regs__ = (struct pt_regs *)(KSTK_TOP(task_stack_page(task))-8); \ -+ __regs__ = (struct pt_regs *)((task)->thread.sp0); \ - __regs__ - 1; \ - }) - -@@ -918,13 +921,13 @@ extern unsigned long thread_saved_pc(str - /* - * User space process size. 47bits minus one guard page. - */ --#define TASK_SIZE_MAX ((1UL << 47) - PAGE_SIZE) -+#define TASK_SIZE_MAX ((1UL << TASK_SIZE_MAX_SHIFT) - PAGE_SIZE) - - /* This decides where the kernel will search for a free chunk of vm - * space during mmap's. - */ - #define IA32_PAGE_OFFSET ((current->personality & ADDR_LIMIT_3GB) ? \ -- 0xc0000000 : 0xFFFFe000) -+ 0xc0000000 : 0xFFFFf000) - - #define TASK_SIZE (test_thread_flag(TIF_IA32) ? \ - IA32_PAGE_OFFSET : TASK_SIZE_MAX) -@@ -935,11 +938,11 @@ extern unsigned long thread_saved_pc(str - #define STACK_TOP_MAX TASK_SIZE_MAX - - #define INIT_THREAD { \ -- .sp0 = (unsigned long)&init_stack + sizeof(init_stack) \ -+ .sp0 = (unsigned long)&init_stack + sizeof(init_stack) - 16 \ - } - - #define INIT_TSS { \ -- .x86_tss.sp0 = (unsigned long)&init_stack + sizeof(init_stack) \ -+ .x86_tss.sp0 = (unsigned long)&init_stack + sizeof(init_stack) - 16 \ - } - - /* -@@ -961,6 +964,10 @@ extern void start_thread(struct pt_regs - */ - #define TASK_UNMAPPED_BASE (PAGE_ALIGN(TASK_SIZE / 3)) - -+#ifdef CONFIG_PAX_SEGMEXEC -+#define SEGMEXEC_TASK_UNMAPPED_BASE (PAGE_ALIGN(SEGMEXEC_TASK_SIZE / 3)) -+#endif -+ - #define KSTK_EIP(task) (task_pt_regs(task)->ip) - - /* Get/set a process' ability to use the timestamp counter instruction */ -diff -urNp linux-2.6.39.3/arch/x86/include/asm/ptrace.h linux-2.6.39.3/arch/x86/include/asm/ptrace.h ---- linux-2.6.39.3/arch/x86/include/asm/ptrace.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/include/asm/ptrace.h 2011-05-22 19:36:30.000000000 -0400 -@@ -152,28 +152,29 @@ static inline unsigned long regs_return_ - } - - /* -- * user_mode_vm(regs) determines whether a register set came from user mode. -+ * user_mode(regs) determines whether a register set came from user mode. - * This is true if V8086 mode was enabled OR if the register set was from - * protected mode with RPL-3 CS value. This tricky test checks that with - * one comparison. Many places in the kernel can bypass this full check -- * if they have already ruled out V8086 mode, so user_mode(regs) can be used. -+ * if they have already ruled out V8086 mode, so user_mode_novm(regs) can -+ * be used. - */ --static inline int user_mode(struct pt_regs *regs) -+static inline int user_mode_novm(struct pt_regs *regs) - { - #ifdef CONFIG_X86_32 - return (regs->cs & SEGMENT_RPL_MASK) == USER_RPL; - #else -- return !!(regs->cs & 3); -+ return !!(regs->cs & SEGMENT_RPL_MASK); - #endif - } - --static inline int user_mode_vm(struct pt_regs *regs) -+static inline int user_mode(struct pt_regs *regs) - { - #ifdef CONFIG_X86_32 - return ((regs->cs & SEGMENT_RPL_MASK) | (regs->flags & X86_VM_MASK)) >= - USER_RPL; - #else -- return user_mode(regs); -+ return user_mode_novm(regs); - #endif - } - -diff -urNp linux-2.6.39.3/arch/x86/include/asm/reboot.h linux-2.6.39.3/arch/x86/include/asm/reboot.h ---- linux-2.6.39.3/arch/x86/include/asm/reboot.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/include/asm/reboot.h 2011-05-22 19:36:30.000000000 -0400 -@@ -6,19 +6,19 @@ - struct pt_regs; - - struct machine_ops { -- void (*restart)(char *cmd); -- void (*halt)(void); -- void (*power_off)(void); -+ void (* __noreturn restart)(char *cmd); -+ void (* __noreturn halt)(void); -+ void (* __noreturn power_off)(void); - void (*shutdown)(void); - void (*crash_shutdown)(struct pt_regs *); -- void (*emergency_restart)(void); -+ void (* __noreturn emergency_restart)(void); - }; - - extern struct machine_ops machine_ops; - - void native_machine_crash_shutdown(struct pt_regs *regs); - void native_machine_shutdown(void); --void machine_real_restart(unsigned int type); -+void machine_real_restart(unsigned int type) __noreturn; - /* These must match dispatch_table in reboot_32.S */ - #define MRR_BIOS 0 - #define MRR_APM 1 -diff -urNp linux-2.6.39.3/arch/x86/include/asm/rwsem.h linux-2.6.39.3/arch/x86/include/asm/rwsem.h ---- linux-2.6.39.3/arch/x86/include/asm/rwsem.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/include/asm/rwsem.h 2011-05-22 19:36:30.000000000 -0400 -@@ -64,6 +64,14 @@ static inline void __down_read(struct rw - { - asm volatile("# beginning down_read\n\t" - LOCK_PREFIX _ASM_INC "(%1)\n\t" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ LOCK_PREFIX _ASM_DEC "(%1)\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ - /* adds 0x00000001 */ - " jns 1f\n" - " call call_rwsem_down_read_failed\n" -@@ -85,6 +93,14 @@ static inline int __down_read_trylock(st - "1:\n\t" - " mov %1,%2\n\t" - " add %3,%2\n\t" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ "sub %3,%2\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ - " jle 2f\n\t" - LOCK_PREFIX " cmpxchg %2,%0\n\t" - " jnz 1b\n\t" -@@ -104,6 +120,14 @@ static inline void __down_write_nested(s - long tmp; - asm volatile("# beginning down_write\n\t" - LOCK_PREFIX " xadd %1,(%2)\n\t" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ "mov %1,(%2)\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ - /* adds 0xffff0001, returns the old value */ - " test %1,%1\n\t" - /* was the count 0 before? */ -@@ -141,6 +165,14 @@ static inline void __up_read(struct rw_s - long tmp; - asm volatile("# beginning __up_read\n\t" - LOCK_PREFIX " xadd %1,(%2)\n\t" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ "mov %1,(%2)\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ - /* subtracts 1, returns the old value */ - " jns 1f\n\t" - " call call_rwsem_wake\n" /* expects old value in %edx */ -@@ -159,6 +191,14 @@ static inline void __up_write(struct rw_ - long tmp; - asm volatile("# beginning __up_write\n\t" - LOCK_PREFIX " xadd %1,(%2)\n\t" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ "mov %1,(%2)\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ - /* subtracts 0xffff0001, returns the old value */ - " jns 1f\n\t" - " call call_rwsem_wake\n" /* expects old value in %edx */ -@@ -176,6 +216,14 @@ static inline void __downgrade_write(str - { - asm volatile("# beginning __downgrade_write\n\t" - LOCK_PREFIX _ASM_ADD "%2,(%1)\n\t" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ LOCK_PREFIX _ASM_SUB "%2,(%1)\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ - /* - * transitions 0xZZZZ0001 -> 0xYYYY0001 (i386) - * 0xZZZZZZZZ00000001 -> 0xYYYYYYYY00000001 (x86_64) -@@ -194,7 +242,15 @@ static inline void __downgrade_write(str - */ - static inline void rwsem_atomic_add(long delta, struct rw_semaphore *sem) - { -- asm volatile(LOCK_PREFIX _ASM_ADD "%1,%0" -+ asm volatile(LOCK_PREFIX _ASM_ADD "%1,%0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ LOCK_PREFIX _ASM_SUB "%1,%0\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ - : "+m" (sem->count) - : "er" (delta)); - } -@@ -206,7 +262,15 @@ static inline long rwsem_atomic_update(l - { - long tmp = delta; - -- asm volatile(LOCK_PREFIX "xadd %0,%1" -+ asm volatile(LOCK_PREFIX "xadd %0,%1\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ "mov %0,%1\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ - : "+r" (tmp), "+m" (sem->count) - : : "memory"); - -diff -urNp linux-2.6.39.3/arch/x86/include/asm/segment.h linux-2.6.39.3/arch/x86/include/asm/segment.h ---- linux-2.6.39.3/arch/x86/include/asm/segment.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/include/asm/segment.h 2011-05-22 19:36:30.000000000 -0400 -@@ -64,8 +64,8 @@ - * 26 - ESPFIX small SS - * 27 - per-cpu [ offset to per-cpu data area ] - * 28 - stack_canary-20 [ for stack protector ] -- * 29 - unused -- * 30 - unused -+ * 29 - PCI BIOS CS -+ * 30 - PCI BIOS DS - * 31 - TSS for double fault handler - */ - #define GDT_ENTRY_TLS_MIN 6 -@@ -79,6 +79,8 @@ - - #define GDT_ENTRY_KERNEL_CS (GDT_ENTRY_KERNEL_BASE+0) - -+#define GDT_ENTRY_KERNEXEC_KERNEL_CS (4) -+ - #define GDT_ENTRY_KERNEL_DS (GDT_ENTRY_KERNEL_BASE+1) - - #define GDT_ENTRY_TSS (GDT_ENTRY_KERNEL_BASE+4) -@@ -104,6 +106,12 @@ - #define __KERNEL_STACK_CANARY 0 - #endif - -+#define GDT_ENTRY_PCIBIOS_CS (GDT_ENTRY_KERNEL_BASE+17) -+#define __PCIBIOS_CS (GDT_ENTRY_PCIBIOS_CS * 8) -+ -+#define GDT_ENTRY_PCIBIOS_DS (GDT_ENTRY_KERNEL_BASE+18) -+#define __PCIBIOS_DS (GDT_ENTRY_PCIBIOS_DS * 8) -+ - #define GDT_ENTRY_DOUBLEFAULT_TSS 31 - - /* -@@ -141,7 +149,7 @@ - */ - - /* Matches PNP_CS32 and PNP_CS16 (they must be consecutive) */ --#define SEGMENT_IS_PNP_CODE(x) (((x) & 0xf4) == GDT_ENTRY_PNPBIOS_BASE * 8) -+#define SEGMENT_IS_PNP_CODE(x) (((x) & 0xFFFCU) == PNP_CS32 || ((x) & 0xFFFCU) == PNP_CS16) - - - #else -@@ -165,6 +173,8 @@ - #define __USER32_CS (GDT_ENTRY_DEFAULT_USER32_CS * 8 + 3) - #define __USER32_DS __USER_DS - -+#define GDT_ENTRY_KERNEXEC_KERNEL_CS 7 -+ - #define GDT_ENTRY_TSS 8 /* needs two entries */ - #define GDT_ENTRY_LDT 10 /* needs two entries */ - #define GDT_ENTRY_TLS_MIN 12 -@@ -185,6 +195,7 @@ - #endif - - #define __KERNEL_CS (GDT_ENTRY_KERNEL_CS*8) -+#define __KERNEXEC_KERNEL_CS (GDT_ENTRY_KERNEXEC_KERNEL_CS*8) - #define __KERNEL_DS (GDT_ENTRY_KERNEL_DS*8) - #define __USER_DS (GDT_ENTRY_DEFAULT_USER_DS*8+3) - #define __USER_CS (GDT_ENTRY_DEFAULT_USER_CS*8+3) -diff -urNp linux-2.6.39.3/arch/x86/include/asm/smp.h linux-2.6.39.3/arch/x86/include/asm/smp.h ---- linux-2.6.39.3/arch/x86/include/asm/smp.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/include/asm/smp.h 2011-05-22 19:36:30.000000000 -0400 -@@ -36,7 +36,7 @@ DECLARE_PER_CPU(cpumask_var_t, cpu_core_ - /* cpus sharing the last level cache: */ - DECLARE_PER_CPU(cpumask_var_t, cpu_llc_shared_map); - DECLARE_PER_CPU(u16, cpu_llc_id); --DECLARE_PER_CPU(int, cpu_number); -+DECLARE_PER_CPU(unsigned int, cpu_number); - - static inline struct cpumask *cpu_sibling_mask(int cpu) - { -@@ -192,14 +192,8 @@ extern unsigned disabled_cpus __cpuinitd - extern int safe_smp_processor_id(void); - - #elif defined(CONFIG_X86_64_SMP) --#define raw_smp_processor_id() (percpu_read(cpu_number)) -- --#define stack_smp_processor_id() \ --({ \ -- struct thread_info *ti; \ -- __asm__("andq %%rsp,%0; ":"=r" (ti) : "0" (CURRENT_MASK)); \ -- ti->cpu; \ --}) -+#define raw_smp_processor_id() (percpu_read(cpu_number)) -+#define stack_smp_processor_id() raw_smp_processor_id() - #define safe_smp_processor_id() smp_processor_id() - - #endif -diff -urNp linux-2.6.39.3/arch/x86/include/asm/spinlock.h linux-2.6.39.3/arch/x86/include/asm/spinlock.h ---- linux-2.6.39.3/arch/x86/include/asm/spinlock.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/include/asm/spinlock.h 2011-05-22 19:36:30.000000000 -0400 -@@ -249,6 +249,14 @@ static inline int arch_write_can_lock(ar - static inline void arch_read_lock(arch_rwlock_t *rw) - { - asm volatile(LOCK_PREFIX " subl $1,(%0)\n\t" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ LOCK_PREFIX " addl $1,(%0)\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ - "jns 1f\n" - "call __read_lock_failed\n\t" - "1:\n" -@@ -258,6 +266,14 @@ static inline void arch_read_lock(arch_r - static inline void arch_write_lock(arch_rwlock_t *rw) - { - asm volatile(LOCK_PREFIX " subl %1,(%0)\n\t" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ LOCK_PREFIX " addl %1,(%0)\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ - "jz 1f\n" - "call __write_lock_failed\n\t" - "1:\n" -@@ -286,12 +302,29 @@ static inline int arch_write_trylock(arc - - static inline void arch_read_unlock(arch_rwlock_t *rw) - { -- asm volatile(LOCK_PREFIX "incl %0" :"+m" (rw->lock) : : "memory"); -+ asm volatile(LOCK_PREFIX "incl %0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ LOCK_PREFIX "decl %0\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ -+ :"+m" (rw->lock) : : "memory"); - } - - static inline void arch_write_unlock(arch_rwlock_t *rw) - { -- asm volatile(LOCK_PREFIX "addl %1, %0" -+ asm volatile(LOCK_PREFIX "addl %1, %0\n" -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ "jno 0f\n" -+ LOCK_PREFIX "subl %1, %0\n" -+ "int $4\n0:\n" -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ - : "+m" (rw->lock) : "i" (RW_LOCK_BIAS) : "memory"); - } - -diff -urNp linux-2.6.39.3/arch/x86/include/asm/stackprotector.h linux-2.6.39.3/arch/x86/include/asm/stackprotector.h ---- linux-2.6.39.3/arch/x86/include/asm/stackprotector.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/include/asm/stackprotector.h 2011-07-06 20:00:13.000000000 -0400 -@@ -48,7 +48,7 @@ - * head_32 for boot CPU and setup_per_cpu_areas() for others. - */ - #define GDT_STACK_CANARY_INIT \ -- [GDT_ENTRY_STACK_CANARY] = GDT_ENTRY_INIT(0x4090, 0, 0x18), -+ [GDT_ENTRY_STACK_CANARY] = GDT_ENTRY_INIT(0x4090, 0, 0x17), - - /* - * Initialize the stackprotector canary value. -@@ -113,7 +113,7 @@ static inline void setup_stack_canary_se - - static inline void load_stack_canary_segment(void) - { --#ifdef CONFIG_X86_32 -+#if defined(CONFIG_X86_32) && !defined(CONFIG_PAX_MEMORY_UDEREF) - asm volatile ("mov %0, %%gs" : : "r" (0)); - #endif - } -diff -urNp linux-2.6.39.3/arch/x86/include/asm/stacktrace.h linux-2.6.39.3/arch/x86/include/asm/stacktrace.h ---- linux-2.6.39.3/arch/x86/include/asm/stacktrace.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/include/asm/stacktrace.h 2011-05-22 19:36:30.000000000 -0400 -@@ -11,28 +11,20 @@ - - extern int kstack_depth_to_print; - --struct thread_info; -+struct task_struct; - struct stacktrace_ops; - --typedef unsigned long (*walk_stack_t)(struct thread_info *tinfo, -- unsigned long *stack, -- unsigned long bp, -- const struct stacktrace_ops *ops, -- void *data, -- unsigned long *end, -- int *graph); -- --extern unsigned long --print_context_stack(struct thread_info *tinfo, -- unsigned long *stack, unsigned long bp, -- const struct stacktrace_ops *ops, void *data, -- unsigned long *end, int *graph); -- --extern unsigned long --print_context_stack_bp(struct thread_info *tinfo, -- unsigned long *stack, unsigned long bp, -- const struct stacktrace_ops *ops, void *data, -- unsigned long *end, int *graph); -+typedef unsigned long walk_stack_t(struct task_struct *task, -+ void *stack_start, -+ unsigned long *stack, -+ unsigned long bp, -+ const struct stacktrace_ops *ops, -+ void *data, -+ unsigned long *end, -+ int *graph); -+ -+extern walk_stack_t print_context_stack; -+extern walk_stack_t print_context_stack_bp; - - /* Generic stack tracer with callbacks */ - -@@ -43,7 +35,7 @@ struct stacktrace_ops { - void (*address)(void *data, unsigned long address, int reliable); - /* On negative return stop dumping */ - int (*stack)(void *data, char *name); -- walk_stack_t walk_stack; -+ walk_stack_t *walk_stack; - }; - - void dump_trace(struct task_struct *tsk, struct pt_regs *regs, -diff -urNp linux-2.6.39.3/arch/x86/include/asm/system.h linux-2.6.39.3/arch/x86/include/asm/system.h ---- linux-2.6.39.3/arch/x86/include/asm/system.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/include/asm/system.h 2011-05-22 19:36:30.000000000 -0400 -@@ -129,7 +129,7 @@ do { \ - "call __switch_to\n\t" \ - "movq "__percpu_arg([current_task])",%%rsi\n\t" \ - __switch_canary \ -- "movq %P[thread_info](%%rsi),%%r8\n\t" \ -+ "movq "__percpu_arg([thread_info])",%%r8\n\t" \ - "movq %%rax,%%rdi\n\t" \ - "testl %[_tif_fork],%P[ti_flags](%%r8)\n\t" \ - "jnz ret_from_fork\n\t" \ -@@ -140,7 +140,7 @@ do { \ - [threadrsp] "i" (offsetof(struct task_struct, thread.sp)), \ - [ti_flags] "i" (offsetof(struct thread_info, flags)), \ - [_tif_fork] "i" (_TIF_FORK), \ -- [thread_info] "i" (offsetof(struct task_struct, stack)), \ -+ [thread_info] "m" (current_tinfo), \ - [current_task] "m" (current_task) \ - __switch_canary_iparam \ - : "memory", "cc" __EXTRA_CLOBBER) -@@ -200,7 +200,7 @@ static inline unsigned long get_limit(un - { - unsigned long __limit; - asm("lsll %1,%0" : "=r" (__limit) : "r" (segment)); -- return __limit + 1; -+ return __limit; - } - - static inline void native_clts(void) -@@ -340,12 +340,12 @@ void enable_hlt(void); - - void cpu_idle_wait(void); - --extern unsigned long arch_align_stack(unsigned long sp); -+#define arch_align_stack(x) ((x) & ~0xfUL) - extern void free_init_pages(char *what, unsigned long begin, unsigned long end); - - void default_idle(void); - --void stop_this_cpu(void *dummy); -+void stop_this_cpu(void *dummy) __noreturn; - - /* - * Force strict CPU ordering. -diff -urNp linux-2.6.39.3/arch/x86/include/asm/thread_info.h linux-2.6.39.3/arch/x86/include/asm/thread_info.h ---- linux-2.6.39.3/arch/x86/include/asm/thread_info.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/include/asm/thread_info.h 2011-05-22 19:36:30.000000000 -0400 -@@ -10,6 +10,7 @@ - #include <linux/compiler.h> - #include <asm/page.h> - #include <asm/types.h> -+#include <asm/percpu.h> - - /* - * low level task data that entry.S needs immediate access to -@@ -24,7 +25,6 @@ struct exec_domain; - #include <asm/atomic.h> - - struct thread_info { -- struct task_struct *task; /* main task structure */ - struct exec_domain *exec_domain; /* execution domain */ - __u32 flags; /* low level flags */ - __u32 status; /* thread synchronous flags */ -@@ -34,18 +34,12 @@ struct thread_info { - mm_segment_t addr_limit; - struct restart_block restart_block; - void __user *sysenter_return; --#ifdef CONFIG_X86_32 -- unsigned long previous_esp; /* ESP of the previous stack in -- case of nested (IRQ) stacks -- */ -- __u8 supervisor_stack[0]; --#endif -+ unsigned long lowest_stack; - int uaccess_err; - }; - --#define INIT_THREAD_INFO(tsk) \ -+#define INIT_THREAD_INFO \ - { \ -- .task = &tsk, \ - .exec_domain = &default_exec_domain, \ - .flags = 0, \ - .cpu = 0, \ -@@ -56,7 +50,7 @@ struct thread_info { - }, \ - } - --#define init_thread_info (init_thread_union.thread_info) -+#define init_thread_info (init_thread_union.stack) - #define init_stack (init_thread_union.stack) - - #else /* !__ASSEMBLY__ */ -@@ -170,6 +164,23 @@ struct thread_info { - ret; \ - }) - -+#ifdef __ASSEMBLY__ -+/* how to get the thread information struct from ASM */ -+#define GET_THREAD_INFO(reg) \ -+ mov PER_CPU_VAR(current_tinfo), reg -+ -+/* use this one if reg already contains %esp */ -+#define GET_THREAD_INFO_WITH_ESP(reg) GET_THREAD_INFO(reg) -+#else -+/* how to get the thread information struct from C */ -+DECLARE_PER_CPU(struct thread_info *, current_tinfo); -+ -+static __always_inline struct thread_info *current_thread_info(void) -+{ -+ return percpu_read_stable(current_tinfo); -+} -+#endif -+ - #ifdef CONFIG_X86_32 - - #define STACK_WARN (THREAD_SIZE/8) -@@ -180,35 +191,13 @@ struct thread_info { - */ - #ifndef __ASSEMBLY__ - -- - /* how to get the current stack pointer from C */ - register unsigned long current_stack_pointer asm("esp") __used; - --/* how to get the thread information struct from C */ --static inline struct thread_info *current_thread_info(void) --{ -- return (struct thread_info *) -- (current_stack_pointer & ~(THREAD_SIZE - 1)); --} -- --#else /* !__ASSEMBLY__ */ -- --/* how to get the thread information struct from ASM */ --#define GET_THREAD_INFO(reg) \ -- movl $-THREAD_SIZE, reg; \ -- andl %esp, reg -- --/* use this one if reg already contains %esp */ --#define GET_THREAD_INFO_WITH_ESP(reg) \ -- andl $-THREAD_SIZE, reg -- - #endif - - #else /* X86_32 */ - --#include <asm/percpu.h> --#define KERNEL_STACK_OFFSET (5*8) -- - /* - * macros/functions for gaining access to the thread information structure - * preempt_count needs to be 1 initially, until the scheduler is functional. -@@ -216,21 +205,8 @@ static inline struct thread_info *curren - #ifndef __ASSEMBLY__ - DECLARE_PER_CPU(unsigned long, kernel_stack); - --static inline struct thread_info *current_thread_info(void) --{ -- struct thread_info *ti; -- ti = (void *)(percpu_read_stable(kernel_stack) + -- KERNEL_STACK_OFFSET - THREAD_SIZE); -- return ti; --} -- --#else /* !__ASSEMBLY__ */ -- --/* how to get the thread information struct from ASM */ --#define GET_THREAD_INFO(reg) \ -- movq PER_CPU_VAR(kernel_stack),reg ; \ -- subq $(THREAD_SIZE-KERNEL_STACK_OFFSET),reg -- -+/* how to get the current stack pointer from C */ -+register unsigned long current_stack_pointer asm("rsp") __used; - #endif - - #endif /* !X86_32 */ -@@ -266,5 +242,16 @@ extern void arch_task_cache_init(void); - extern void free_thread_info(struct thread_info *ti); - extern int arch_dup_task_struct(struct task_struct *dst, struct task_struct *src); - #define arch_task_cache_init arch_task_cache_init -+ -+#define __HAVE_THREAD_FUNCTIONS -+#define task_thread_info(task) (&(task)->tinfo) -+#define task_stack_page(task) ((task)->stack) -+#define setup_thread_stack(p, org) do {} while (0) -+#define end_of_stack(p) ((unsigned long *)task_stack_page(p) + 1) -+ -+#define __HAVE_ARCH_TASK_STRUCT_ALLOCATOR -+extern struct task_struct *alloc_task_struct_node(int node); -+extern void free_task_struct(struct task_struct *); -+ - #endif - #endif /* _ASM_X86_THREAD_INFO_H */ -diff -urNp linux-2.6.39.3/arch/x86/include/asm/uaccess_32.h linux-2.6.39.3/arch/x86/include/asm/uaccess_32.h ---- linux-2.6.39.3/arch/x86/include/asm/uaccess_32.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/include/asm/uaccess_32.h 2011-05-22 19:36:30.000000000 -0400 -@@ -44,6 +44,11 @@ unsigned long __must_check __copy_from_u - static __always_inline unsigned long __must_check - __copy_to_user_inatomic(void __user *to, const void *from, unsigned long n) - { -+ pax_track_stack(); -+ -+ if ((long)n < 0) -+ return n; -+ - if (__builtin_constant_p(n)) { - unsigned long ret; - -@@ -62,6 +67,8 @@ __copy_to_user_inatomic(void __user *to, - return ret; - } - } -+ if (!__builtin_constant_p(n)) -+ check_object_size(from, n, true); - return __copy_to_user_ll(to, from, n); - } - -@@ -83,12 +90,16 @@ static __always_inline unsigned long __m - __copy_to_user(void __user *to, const void *from, unsigned long n) - { - might_fault(); -+ - return __copy_to_user_inatomic(to, from, n); - } - - static __always_inline unsigned long - __copy_from_user_inatomic(void *to, const void __user *from, unsigned long n) - { -+ if ((long)n < 0) -+ return n; -+ - /* Avoid zeroing the tail if the copy fails.. - * If 'n' is constant and 1, 2, or 4, we do still zero on a failure, - * but as the zeroing behaviour is only significant when n is not -@@ -138,6 +149,12 @@ static __always_inline unsigned long - __copy_from_user(void *to, const void __user *from, unsigned long n) - { - might_fault(); -+ -+ pax_track_stack(); -+ -+ if ((long)n < 0) -+ return n; -+ - if (__builtin_constant_p(n)) { - unsigned long ret; - -@@ -153,6 +170,8 @@ __copy_from_user(void *to, const void __ - return ret; - } - } -+ if (!__builtin_constant_p(n)) -+ check_object_size(to, n, false); - return __copy_from_user_ll(to, from, n); - } - -@@ -160,6 +179,10 @@ static __always_inline unsigned long __c - const void __user *from, unsigned long n) - { - might_fault(); -+ -+ if ((long)n < 0) -+ return n; -+ - if (__builtin_constant_p(n)) { - unsigned long ret; - -@@ -182,15 +205,19 @@ static __always_inline unsigned long - __copy_from_user_inatomic_nocache(void *to, const void __user *from, - unsigned long n) - { -- return __copy_from_user_ll_nocache_nozero(to, from, n); --} -+ if ((long)n < 0) -+ return n; - --unsigned long __must_check copy_to_user(void __user *to, -- const void *from, unsigned long n); --unsigned long __must_check _copy_from_user(void *to, -- const void __user *from, -- unsigned long n); -+ return __copy_from_user_ll_nocache_nozero(to, from, n); -+} - -+extern void copy_to_user_overflow(void) -+#ifdef CONFIG_DEBUG_STRICT_USER_COPY_CHECKS -+ __compiletime_error("copy_to_user() buffer size is not provably correct") -+#else -+ __compiletime_warning("copy_to_user() buffer size is not provably correct") -+#endif -+; - - extern void copy_from_user_overflow(void) - #ifdef CONFIG_DEBUG_STRICT_USER_COPY_CHECKS -@@ -200,17 +227,61 @@ extern void copy_from_user_overflow(void - #endif - ; - --static inline unsigned long __must_check copy_from_user(void *to, -- const void __user *from, -- unsigned long n) -+/** -+ * copy_to_user: - Copy a block of data into user space. -+ * @to: Destination address, in user space. -+ * @from: Source address, in kernel space. -+ * @n: Number of bytes to copy. -+ * -+ * Context: User context only. This function may sleep. -+ * -+ * Copy data from kernel space to user space. -+ * -+ * Returns number of bytes that could not be copied. -+ * On success, this will be zero. -+ */ -+static inline unsigned long __must_check -+copy_to_user(void __user *to, const void *from, unsigned long n) -+{ -+ int sz = __compiletime_object_size(from); -+ -+ if (unlikely(sz != -1 && sz < n)) -+ copy_to_user_overflow(); -+ else if (access_ok(VERIFY_WRITE, to, n)) -+ n = __copy_to_user(to, from, n); -+ return n; -+} -+ -+/** -+ * copy_from_user: - Copy a block of data from user space. -+ * @to: Destination address, in kernel space. -+ * @from: Source address, in user space. -+ * @n: Number of bytes to copy. -+ * -+ * Context: User context only. This function may sleep. -+ * -+ * Copy data from user space to kernel space. -+ * -+ * Returns number of bytes that could not be copied. -+ * On success, this will be zero. -+ * -+ * If some data could not be copied, this function will pad the copied -+ * data to the requested size using zero bytes. -+ */ -+static inline unsigned long __must_check -+copy_from_user(void *to, const void __user *from, unsigned long n) - { - int sz = __compiletime_object_size(to); - -- if (likely(sz == -1 || sz >= n)) -- n = _copy_from_user(to, from, n); -- else -+ if (unlikely(sz != -1 && sz < n)) - copy_from_user_overflow(); -- -+ else if (access_ok(VERIFY_READ, from, n)) -+ n = __copy_from_user(to, from, n); -+ else if ((long)n > 0) { -+ if (!__builtin_constant_p(n)) -+ check_object_size(to, n, false); -+ memset(to, 0, n); -+ } - return n; - } - -diff -urNp linux-2.6.39.3/arch/x86/include/asm/uaccess_64.h linux-2.6.39.3/arch/x86/include/asm/uaccess_64.h ---- linux-2.6.39.3/arch/x86/include/asm/uaccess_64.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/include/asm/uaccess_64.h 2011-05-22 19:36:30.000000000 -0400 -@@ -11,6 +11,9 @@ - #include <asm/alternative.h> - #include <asm/cpufeature.h> - #include <asm/page.h> -+#include <asm/pgtable.h> -+ -+#define set_fs(x) (current_thread_info()->addr_limit = (x)) - - /* - * Copy To/From Userspace -@@ -37,26 +40,26 @@ copy_user_generic(void *to, const void * - return ret; - } - --__must_check unsigned long --_copy_to_user(void __user *to, const void *from, unsigned len); --__must_check unsigned long --_copy_from_user(void *to, const void __user *from, unsigned len); -+static __always_inline __must_check unsigned long -+__copy_to_user(void __user *to, const void *from, unsigned len); -+static __always_inline __must_check unsigned long -+__copy_from_user(void *to, const void __user *from, unsigned len); - __must_check unsigned long - copy_in_user(void __user *to, const void __user *from, unsigned len); - - static inline unsigned long __must_check copy_from_user(void *to, - const void __user *from, -- unsigned long n) -+ unsigned n) - { -- int sz = __compiletime_object_size(to); -- - might_fault(); -- if (likely(sz == -1 || sz >= n)) -- n = _copy_from_user(to, from, n); --#ifdef CONFIG_DEBUG_VM -- else -- WARN(1, "Buffer overflow detected!\n"); --#endif -+ -+ if (access_ok(VERIFY_READ, from, n)) -+ n = __copy_from_user(to, from, n); -+ else if ((int)n > 0) { -+ if (!__builtin_constant_p(n)) -+ check_object_size(to, n, false); -+ memset(to, 0, n); -+ } - return n; - } - -@@ -65,110 +68,198 @@ int copy_to_user(void __user *dst, const - { - might_fault(); - -- return _copy_to_user(dst, src, size); -+ if (access_ok(VERIFY_WRITE, dst, size)) -+ size = __copy_to_user(dst, src, size); -+ return size; - } - - static __always_inline __must_check --int __copy_from_user(void *dst, const void __user *src, unsigned size) -+unsigned long __copy_from_user(void *dst, const void __user *src, unsigned size) - { -- int ret = 0; -+ int sz = __compiletime_object_size(dst); -+ unsigned ret = 0; - - might_fault(); -- if (!__builtin_constant_p(size)) -- return copy_user_generic(dst, (__force void *)src, size); -+ -+ pax_track_stack(); -+ -+ if ((int)size < 0) -+ return size; -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ if (!__access_ok(VERIFY_READ, src, size)) -+ return size; -+#endif -+ -+ if (unlikely(sz != -1 && sz < size)) { -+#ifdef CONFIG_DEBUG_VM -+ WARN(1, "Buffer overflow detected!\n"); -+#endif -+ return size; -+ } -+ -+ if (!__builtin_constant_p(size)) { -+ check_object_size(dst, size, false); -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ if ((unsigned long)src < PAX_USER_SHADOW_BASE) -+ src += PAX_USER_SHADOW_BASE; -+#endif -+ -+ return copy_user_generic(dst, (__force const void *)src, size); -+ } - switch (size) { -- case 1:__get_user_asm(*(u8 *)dst, (u8 __user *)src, -+ case 1:__get_user_asm(*(u8 *)dst, (const u8 __user *)src, - ret, "b", "b", "=q", 1); - return ret; -- case 2:__get_user_asm(*(u16 *)dst, (u16 __user *)src, -+ case 2:__get_user_asm(*(u16 *)dst, (const u16 __user *)src, - ret, "w", "w", "=r", 2); - return ret; -- case 4:__get_user_asm(*(u32 *)dst, (u32 __user *)src, -+ case 4:__get_user_asm(*(u32 *)dst, (const u32 __user *)src, - ret, "l", "k", "=r", 4); - return ret; -- case 8:__get_user_asm(*(u64 *)dst, (u64 __user *)src, -+ case 8:__get_user_asm(*(u64 *)dst, (const u64 __user *)src, - ret, "q", "", "=r", 8); - return ret; - case 10: -- __get_user_asm(*(u64 *)dst, (u64 __user *)src, -+ __get_user_asm(*(u64 *)dst, (const u64 __user *)src, - ret, "q", "", "=r", 10); - if (unlikely(ret)) - return ret; - __get_user_asm(*(u16 *)(8 + (char *)dst), -- (u16 __user *)(8 + (char __user *)src), -+ (const u16 __user *)(8 + (const char __user *)src), - ret, "w", "w", "=r", 2); - return ret; - case 16: -- __get_user_asm(*(u64 *)dst, (u64 __user *)src, -+ __get_user_asm(*(u64 *)dst, (const u64 __user *)src, - ret, "q", "", "=r", 16); - if (unlikely(ret)) - return ret; - __get_user_asm(*(u64 *)(8 + (char *)dst), -- (u64 __user *)(8 + (char __user *)src), -+ (const u64 __user *)(8 + (const char __user *)src), - ret, "q", "", "=r", 8); - return ret; - default: -- return copy_user_generic(dst, (__force void *)src, size); -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ if ((unsigned long)src < PAX_USER_SHADOW_BASE) -+ src += PAX_USER_SHADOW_BASE; -+#endif -+ -+ return copy_user_generic(dst, (__force const void *)src, size); - } - } - - static __always_inline __must_check --int __copy_to_user(void __user *dst, const void *src, unsigned size) -+unsigned long __copy_to_user(void __user *dst, const void *src, unsigned size) - { -- int ret = 0; -+ int sz = __compiletime_object_size(src); -+ unsigned ret = 0; - - might_fault(); -- if (!__builtin_constant_p(size)) -+ -+ pax_track_stack(); -+ -+ if ((int)size < 0) -+ return size; -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ if (!__access_ok(VERIFY_WRITE, dst, size)) -+ return size; -+#endif -+ -+ if (unlikely(sz != -1 && sz < size)) { -+#ifdef CONFIG_DEBUG_VM -+ WARN(1, "Buffer overflow detected!\n"); -+#endif -+ return size; -+ } -+ -+ if (!__builtin_constant_p(size)) { -+ check_object_size(src, size, true); -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ if ((unsigned long)dst < PAX_USER_SHADOW_BASE) -+ dst += PAX_USER_SHADOW_BASE; -+#endif -+ - return copy_user_generic((__force void *)dst, src, size); -+ } - switch (size) { -- case 1:__put_user_asm(*(u8 *)src, (u8 __user *)dst, -+ case 1:__put_user_asm(*(const u8 *)src, (u8 __user *)dst, - ret, "b", "b", "iq", 1); - return ret; -- case 2:__put_user_asm(*(u16 *)src, (u16 __user *)dst, -+ case 2:__put_user_asm(*(const u16 *)src, (u16 __user *)dst, - ret, "w", "w", "ir", 2); - return ret; -- case 4:__put_user_asm(*(u32 *)src, (u32 __user *)dst, -+ case 4:__put_user_asm(*(const u32 *)src, (u32 __user *)dst, - ret, "l", "k", "ir", 4); - return ret; -- case 8:__put_user_asm(*(u64 *)src, (u64 __user *)dst, -+ case 8:__put_user_asm(*(const u64 *)src, (u64 __user *)dst, - ret, "q", "", "er", 8); - return ret; - case 10: -- __put_user_asm(*(u64 *)src, (u64 __user *)dst, -+ __put_user_asm(*(const u64 *)src, (u64 __user *)dst, - ret, "q", "", "er", 10); - if (unlikely(ret)) - return ret; - asm("":::"memory"); -- __put_user_asm(4[(u16 *)src], 4 + (u16 __user *)dst, -+ __put_user_asm(4[(const u16 *)src], 4 + (u16 __user *)dst, - ret, "w", "w", "ir", 2); - return ret; - case 16: -- __put_user_asm(*(u64 *)src, (u64 __user *)dst, -+ __put_user_asm(*(const u64 *)src, (u64 __user *)dst, - ret, "q", "", "er", 16); - if (unlikely(ret)) - return ret; - asm("":::"memory"); -- __put_user_asm(1[(u64 *)src], 1 + (u64 __user *)dst, -+ __put_user_asm(1[(const u64 *)src], 1 + (u64 __user *)dst, - ret, "q", "", "er", 8); - return ret; - default: -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ if ((unsigned long)dst < PAX_USER_SHADOW_BASE) -+ dst += PAX_USER_SHADOW_BASE; -+#endif -+ - return copy_user_generic((__force void *)dst, src, size); - } - } - - static __always_inline __must_check --int __copy_in_user(void __user *dst, const void __user *src, unsigned size) -+unsigned long __copy_in_user(void __user *dst, const void __user *src, unsigned size) - { -- int ret = 0; -+ unsigned ret = 0; - - might_fault(); -- if (!__builtin_constant_p(size)) -+ -+ if ((int)size < 0) -+ return size; -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ if (!__access_ok(VERIFY_READ, src, size)) -+ return size; -+ if (!__access_ok(VERIFY_WRITE, dst, size)) -+ return size; -+#endif -+ -+ if (!__builtin_constant_p(size)) { -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ if ((unsigned long)src < PAX_USER_SHADOW_BASE) -+ src += PAX_USER_SHADOW_BASE; -+ if ((unsigned long)dst < PAX_USER_SHADOW_BASE) -+ dst += PAX_USER_SHADOW_BASE; -+#endif -+ - return copy_user_generic((__force void *)dst, -- (__force void *)src, size); -+ (__force const void *)src, size); -+ } - switch (size) { - case 1: { - u8 tmp; -- __get_user_asm(tmp, (u8 __user *)src, -+ __get_user_asm(tmp, (const u8 __user *)src, - ret, "b", "b", "=q", 1); - if (likely(!ret)) - __put_user_asm(tmp, (u8 __user *)dst, -@@ -177,7 +268,7 @@ int __copy_in_user(void __user *dst, con - } - case 2: { - u16 tmp; -- __get_user_asm(tmp, (u16 __user *)src, -+ __get_user_asm(tmp, (const u16 __user *)src, - ret, "w", "w", "=r", 2); - if (likely(!ret)) - __put_user_asm(tmp, (u16 __user *)dst, -@@ -187,7 +278,7 @@ int __copy_in_user(void __user *dst, con - - case 4: { - u32 tmp; -- __get_user_asm(tmp, (u32 __user *)src, -+ __get_user_asm(tmp, (const u32 __user *)src, - ret, "l", "k", "=r", 4); - if (likely(!ret)) - __put_user_asm(tmp, (u32 __user *)dst, -@@ -196,7 +287,7 @@ int __copy_in_user(void __user *dst, con - } - case 8: { - u64 tmp; -- __get_user_asm(tmp, (u64 __user *)src, -+ __get_user_asm(tmp, (const u64 __user *)src, - ret, "q", "", "=r", 8); - if (likely(!ret)) - __put_user_asm(tmp, (u64 __user *)dst, -@@ -204,8 +295,16 @@ int __copy_in_user(void __user *dst, con - return ret; - } - default: -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ if ((unsigned long)src < PAX_USER_SHADOW_BASE) -+ src += PAX_USER_SHADOW_BASE; -+ if ((unsigned long)dst < PAX_USER_SHADOW_BASE) -+ dst += PAX_USER_SHADOW_BASE; -+#endif -+ - return copy_user_generic((__force void *)dst, -- (__force void *)src, size); -+ (__force const void *)src, size); - } - } - -@@ -222,33 +321,72 @@ __must_check unsigned long __clear_user( - static __must_check __always_inline int - __copy_from_user_inatomic(void *dst, const void __user *src, unsigned size) - { -+ pax_track_stack(); -+ -+ if ((int)size < 0) -+ return size; -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ if (!__access_ok(VERIFY_READ, src, size)) -+ return size; -+ -+ if ((unsigned long)src < PAX_USER_SHADOW_BASE) -+ src += PAX_USER_SHADOW_BASE; -+#endif -+ - return copy_user_generic(dst, (__force const void *)src, size); - } - --static __must_check __always_inline int -+static __must_check __always_inline unsigned long - __copy_to_user_inatomic(void __user *dst, const void *src, unsigned size) - { -+ if ((int)size < 0) -+ return size; -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ if (!__access_ok(VERIFY_WRITE, dst, size)) -+ return size; -+ -+ if ((unsigned long)dst < PAX_USER_SHADOW_BASE) -+ dst += PAX_USER_SHADOW_BASE; -+#endif -+ - return copy_user_generic((__force void *)dst, src, size); - } - --extern long __copy_user_nocache(void *dst, const void __user *src, -+extern unsigned long __copy_user_nocache(void *dst, const void __user *src, - unsigned size, int zerorest); - --static inline int --__copy_from_user_nocache(void *dst, const void __user *src, unsigned size) -+static inline unsigned long __copy_from_user_nocache(void *dst, const void __user *src, unsigned size) - { - might_sleep(); -+ -+ if ((int)size < 0) -+ return size; -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ if (!__access_ok(VERIFY_READ, src, size)) -+ return size; -+#endif -+ - return __copy_user_nocache(dst, src, size, 1); - } - --static inline int --__copy_from_user_inatomic_nocache(void *dst, const void __user *src, -+static inline unsigned long __copy_from_user_inatomic_nocache(void *dst, const void __user *src, - unsigned size) - { -+ if ((int)size < 0) -+ return size; -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ if (!__access_ok(VERIFY_READ, src, size)) -+ return size; -+#endif -+ - return __copy_user_nocache(dst, src, size, 0); - } - --unsigned long -+extern unsigned long - copy_user_handle_tail(char *to, char *from, unsigned len, unsigned zerorest); - - #endif /* _ASM_X86_UACCESS_64_H */ -diff -urNp linux-2.6.39.3/arch/x86/include/asm/uaccess.h linux-2.6.39.3/arch/x86/include/asm/uaccess.h ---- linux-2.6.39.3/arch/x86/include/asm/uaccess.h 2011-06-03 00:04:13.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/include/asm/uaccess.h 2011-06-03 00:32:04.000000000 -0400 -@@ -8,12 +8,15 @@ - #include <linux/thread_info.h> - #include <linux/prefetch.h> - #include <linux/string.h> -+#include <linux/sched.h> - #include <asm/asm.h> - #include <asm/page.h> - - #define VERIFY_READ 0 - #define VERIFY_WRITE 1 - -+extern void check_object_size(const void *ptr, unsigned long n, bool to); -+ - /* - * The fs value determines whether argument validity checking should be - * performed or not. If get_fs() == USER_DS, checking is performed, with -@@ -29,7 +32,12 @@ - - #define get_ds() (KERNEL_DS) - #define get_fs() (current_thread_info()->addr_limit) -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_MEMORY_UDEREF) -+void __set_fs(mm_segment_t x); -+void set_fs(mm_segment_t x); -+#else - #define set_fs(x) (current_thread_info()->addr_limit = (x)) -+#endif - - #define segment_eq(a, b) ((a).seg == (b).seg) - -@@ -77,7 +85,33 @@ - * checks that the pointer is in the user space range - after calling - * this function, memory access functions may still return -EFAULT. - */ --#define access_ok(type, addr, size) (likely(__range_not_ok(addr, size) == 0)) -+#define __access_ok(type, addr, size) (likely(__range_not_ok(addr, size) == 0)) -+#define access_ok(type, addr, size) \ -+({ \ -+ long __size = size; \ -+ unsigned long __addr = (unsigned long)addr; \ -+ unsigned long __addr_ao = __addr & PAGE_MASK; \ -+ unsigned long __end_ao = __addr + __size - 1; \ -+ bool __ret_ao = __range_not_ok(__addr, __size) == 0; \ -+ if (__ret_ao && unlikely((__end_ao ^ __addr_ao) & PAGE_MASK)) { \ -+ while(__addr_ao <= __end_ao) { \ -+ char __c_ao; \ -+ __addr_ao += PAGE_SIZE; \ -+ if (__size > PAGE_SIZE) \ -+ cond_resched(); \ -+ if (__get_user(__c_ao, (char __user *)__addr)) \ -+ break; \ -+ if (type != VERIFY_WRITE) { \ -+ __addr = __addr_ao; \ -+ continue; \ -+ } \ -+ if (__put_user(__c_ao, (char __user *)__addr)) \ -+ break; \ -+ __addr = __addr_ao; \ -+ } \ -+ } \ -+ __ret_ao; \ -+}) - - /* - * The exception table consists of pairs of addresses: the first is the -@@ -183,12 +217,20 @@ extern int __get_user_bad(void); - asm volatile("call __put_user_" #size : "=a" (__ret_pu) \ - : "0" ((typeof(*(ptr)))(x)), "c" (ptr) : "ebx") - -- -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_MEMORY_UDEREF) -+#define __copyuser_seg "gs;" -+#define __COPYUSER_SET_ES "pushl %%gs; popl %%es\n" -+#define __COPYUSER_RESTORE_ES "pushl %%ss; popl %%es\n" -+#else -+#define __copyuser_seg -+#define __COPYUSER_SET_ES -+#define __COPYUSER_RESTORE_ES -+#endif - - #ifdef CONFIG_X86_32 - #define __put_user_asm_u64(x, addr, err, errret) \ -- asm volatile("1: movl %%eax,0(%2)\n" \ -- "2: movl %%edx,4(%2)\n" \ -+ asm volatile("1: "__copyuser_seg"movl %%eax,0(%2)\n" \ -+ "2: "__copyuser_seg"movl %%edx,4(%2)\n" \ - "3:\n" \ - ".section .fixup,\"ax\"\n" \ - "4: movl %3,%0\n" \ -@@ -200,8 +242,8 @@ extern int __get_user_bad(void); - : "A" (x), "r" (addr), "i" (errret), "0" (err)) - - #define __put_user_asm_ex_u64(x, addr) \ -- asm volatile("1: movl %%eax,0(%1)\n" \ -- "2: movl %%edx,4(%1)\n" \ -+ asm volatile("1: "__copyuser_seg"movl %%eax,0(%1)\n" \ -+ "2: "__copyuser_seg"movl %%edx,4(%1)\n" \ - "3:\n" \ - _ASM_EXTABLE(1b, 2b - 1b) \ - _ASM_EXTABLE(2b, 3b - 2b) \ -@@ -374,7 +416,7 @@ do { \ - } while (0) - - #define __get_user_asm(x, addr, err, itype, rtype, ltype, errret) \ -- asm volatile("1: mov"itype" %2,%"rtype"1\n" \ -+ asm volatile("1: "__copyuser_seg"mov"itype" %2,%"rtype"1\n"\ - "2:\n" \ - ".section .fixup,\"ax\"\n" \ - "3: mov %3,%0\n" \ -@@ -382,7 +424,7 @@ do { \ - " jmp 2b\n" \ - ".previous\n" \ - _ASM_EXTABLE(1b, 3b) \ -- : "=r" (err), ltype(x) \ -+ : "=r" (err), ltype (x) \ - : "m" (__m(addr)), "i" (errret), "0" (err)) - - #define __get_user_size_ex(x, ptr, size) \ -@@ -407,7 +449,7 @@ do { \ - } while (0) - - #define __get_user_asm_ex(x, addr, itype, rtype, ltype) \ -- asm volatile("1: mov"itype" %1,%"rtype"0\n" \ -+ asm volatile("1: "__copyuser_seg"mov"itype" %1,%"rtype"0\n"\ - "2:\n" \ - _ASM_EXTABLE(1b, 2b - 1b) \ - : ltype(x) : "m" (__m(addr))) -@@ -424,13 +466,24 @@ do { \ - int __gu_err; \ - unsigned long __gu_val; \ - __get_user_size(__gu_val, (ptr), (size), __gu_err, -EFAULT); \ -- (x) = (__force __typeof__(*(ptr)))__gu_val; \ -+ (x) = (__typeof__(*(ptr)))__gu_val; \ - __gu_err; \ - }) - - /* FIXME: this hack is definitely wrong -AK */ - struct __large_struct { unsigned long buf[100]; }; --#define __m(x) (*(struct __large_struct __user *)(x)) -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+#define ____m(x) \ -+({ \ -+ unsigned long ____x = (unsigned long)(x); \ -+ if (____x < PAX_USER_SHADOW_BASE) \ -+ ____x += PAX_USER_SHADOW_BASE; \ -+ (void __user *)____x; \ -+}) -+#else -+#define ____m(x) (x) -+#endif -+#define __m(x) (*(struct __large_struct __user *)____m(x)) - - /* - * Tell gcc we read from memory instead of writing: this is because -@@ -438,7 +491,7 @@ struct __large_struct { unsigned long bu - * aliasing issues. - */ - #define __put_user_asm(x, addr, err, itype, rtype, ltype, errret) \ -- asm volatile("1: mov"itype" %"rtype"1,%2\n" \ -+ asm volatile("1: "__copyuser_seg"mov"itype" %"rtype"1,%2\n"\ - "2:\n" \ - ".section .fixup,\"ax\"\n" \ - "3: mov %3,%0\n" \ -@@ -446,10 +499,10 @@ struct __large_struct { unsigned long bu - ".previous\n" \ - _ASM_EXTABLE(1b, 3b) \ - : "=r"(err) \ -- : ltype(x), "m" (__m(addr)), "i" (errret), "0" (err)) -+ : ltype (x), "m" (__m(addr)), "i" (errret), "0" (err)) - - #define __put_user_asm_ex(x, addr, itype, rtype, ltype) \ -- asm volatile("1: mov"itype" %"rtype"0,%1\n" \ -+ asm volatile("1: "__copyuser_seg"mov"itype" %"rtype"0,%1\n"\ - "2:\n" \ - _ASM_EXTABLE(1b, 2b - 1b) \ - : : ltype(x), "m" (__m(addr))) -@@ -488,8 +541,12 @@ struct __large_struct { unsigned long bu - * On error, the variable @x is set to zero. - */ - -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+#define __get_user(x, ptr) get_user((x), (ptr)) -+#else - #define __get_user(x, ptr) \ - __get_user_nocheck((x), (ptr), sizeof(*(ptr))) -+#endif - - /** - * __put_user: - Write a simple value into user space, with less checking. -@@ -511,8 +568,12 @@ struct __large_struct { unsigned long bu - * Returns zero on success, or -EFAULT on error. - */ - -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+#define __put_user(x, ptr) put_user((x), (ptr)) -+#else - #define __put_user(x, ptr) \ - __put_user_nocheck((__typeof__(*(ptr)))(x), (ptr), sizeof(*(ptr))) -+#endif - - #define __get_user_unaligned __get_user - #define __put_user_unaligned __put_user -@@ -530,7 +591,7 @@ struct __large_struct { unsigned long bu - #define get_user_ex(x, ptr) do { \ - unsigned long __gue_val; \ - __get_user_size_ex((__gue_val), (ptr), (sizeof(*(ptr)))); \ -- (x) = (__force __typeof__(*(ptr)))__gue_val; \ -+ (x) = (__typeof__(*(ptr)))__gue_val; \ - } while (0) - - #ifdef CONFIG_X86_WP_WORKS_OK -@@ -567,6 +628,7 @@ extern struct movsl_mask { - - #define ARCH_HAS_NOCACHE_UACCESS 1 - -+#define ARCH_HAS_SORT_EXTABLE - #ifdef CONFIG_X86_32 - # include "uaccess_32.h" - #else -diff -urNp linux-2.6.39.3/arch/x86/include/asm/vgtod.h linux-2.6.39.3/arch/x86/include/asm/vgtod.h ---- linux-2.6.39.3/arch/x86/include/asm/vgtod.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/include/asm/vgtod.h 2011-05-22 19:36:30.000000000 -0400 -@@ -14,6 +14,7 @@ struct vsyscall_gtod_data { - int sysctl_enabled; - struct timezone sys_tz; - struct { /* extract of a clocksource struct */ -+ char name[8]; - cycle_t (*vread)(void); - cycle_t cycle_last; - cycle_t mask; -diff -urNp linux-2.6.39.3/arch/x86/include/asm/vsyscall.h linux-2.6.39.3/arch/x86/include/asm/vsyscall.h ---- linux-2.6.39.3/arch/x86/include/asm/vsyscall.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/include/asm/vsyscall.h 2011-05-22 19:36:30.000000000 -0400 -@@ -15,9 +15,10 @@ enum vsyscall_num { - - #ifdef __KERNEL__ - #include <linux/seqlock.h> -+#include <linux/getcpu.h> -+#include <linux/time.h> - - #define __section_vgetcpu_mode __attribute__ ((unused, __section__ (".vgetcpu_mode"), aligned(16))) --#define __section_jiffies __attribute__ ((unused, __section__ (".jiffies"), aligned(16))) - - /* Definitions for CONFIG_GENERIC_TIME definitions */ - #define __section_vsyscall_gtod_data __attribute__ \ -@@ -31,7 +32,6 @@ enum vsyscall_num { - #define VGETCPU_LSL 2 - - extern int __vgetcpu_mode; --extern volatile unsigned long __jiffies; - - /* kernel space (writeable) */ - extern int vgetcpu_mode; -@@ -39,6 +39,9 @@ extern struct timezone sys_tz; - - extern void map_vsyscall(void); - -+extern int vgettimeofday(struct timeval * tv, struct timezone * tz); -+extern time_t vtime(time_t *t); -+extern long vgetcpu(unsigned *cpu, unsigned *node, struct getcpu_cache *tcache); - #endif /* __KERNEL__ */ - - #endif /* _ASM_X86_VSYSCALL_H */ -diff -urNp linux-2.6.39.3/arch/x86/include/asm/xen/pci.h linux-2.6.39.3/arch/x86/include/asm/xen/pci.h ---- linux-2.6.39.3/arch/x86/include/asm/xen/pci.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/include/asm/xen/pci.h 2011-05-22 19:36:30.000000000 -0400 -@@ -33,7 +33,7 @@ struct xen_pci_frontend_ops { - void (*disable_msix)(struct pci_dev *dev); - }; - --extern struct xen_pci_frontend_ops *xen_pci_frontend; -+extern const struct xen_pci_frontend_ops *xen_pci_frontend; - - static inline int xen_pci_frontend_enable_msi(struct pci_dev *dev, - int vectors[]) -diff -urNp linux-2.6.39.3/arch/x86/include/asm/xsave.h linux-2.6.39.3/arch/x86/include/asm/xsave.h ---- linux-2.6.39.3/arch/x86/include/asm/xsave.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/include/asm/xsave.h 2011-05-22 19:36:30.000000000 -0400 -@@ -65,6 +65,11 @@ static inline int xsave_user(struct xsav - { - int err; - -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+ if ((unsigned long)buf < PAX_USER_SHADOW_BASE) -+ buf = (struct xsave_struct __user *)((void __user*)buf + PAX_USER_SHADOW_BASE); -+#endif -+ - /* - * Clear the xsave header first, so that reserved fields are - * initialized to zero. -@@ -100,6 +105,11 @@ static inline int xrestore_user(struct x - u32 lmask = mask; - u32 hmask = mask >> 32; - -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+ if ((unsigned long)xstate < PAX_USER_SHADOW_BASE) -+ xstate = (struct xsave_struct *)((void *)xstate + PAX_USER_SHADOW_BASE); -+#endif -+ - __asm__ __volatile__("1: .byte " REX_PREFIX "0x0f,0xae,0x2f\n" - "2:\n" - ".section .fixup,\"ax\"\n" -diff -urNp linux-2.6.39.3/arch/x86/Kconfig linux-2.6.39.3/arch/x86/Kconfig ---- linux-2.6.39.3/arch/x86/Kconfig 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/Kconfig 2011-05-22 19:41:32.000000000 -0400 -@@ -224,7 +224,7 @@ config X86_HT - - config X86_32_LAZY_GS - def_bool y -- depends on X86_32 && !CC_STACKPROTECTOR -+ depends on X86_32 && !CC_STACKPROTECTOR && !PAX_MEMORY_UDEREF - - config ARCH_HWEIGHT_CFLAGS - string -@@ -1022,7 +1022,7 @@ choice - - config NOHIGHMEM - bool "off" -- depends on !X86_NUMAQ -+ depends on !X86_NUMAQ && !(PAX_PAGEEXEC && PAX_ENABLE_PAE) - ---help--- - Linux can use up to 64 Gigabytes of physical memory on x86 systems. - However, the address space of 32-bit x86 processors is only 4 -@@ -1059,7 +1059,7 @@ config NOHIGHMEM - - config HIGHMEM4G - bool "4GB" -- depends on !X86_NUMAQ -+ depends on !X86_NUMAQ && !(PAX_PAGEEXEC && PAX_ENABLE_PAE) - ---help--- - Select this if you have a 32-bit processor and between 1 and 4 - gigabytes of physical RAM. -@@ -1113,7 +1113,7 @@ config PAGE_OFFSET - hex - default 0xB0000000 if VMSPLIT_3G_OPT - default 0x80000000 if VMSPLIT_2G -- default 0x78000000 if VMSPLIT_2G_OPT -+ default 0x70000000 if VMSPLIT_2G_OPT - default 0x40000000 if VMSPLIT_1G - default 0xC0000000 - depends on X86_32 -@@ -1457,7 +1457,7 @@ config ARCH_USES_PG_UNCACHED - - config EFI - bool "EFI runtime service support" -- depends on ACPI -+ depends on ACPI && !PAX_KERNEXEC - ---help--- - This enables the kernel to use EFI runtime services that are - available (such as the EFI variable services). -@@ -1487,6 +1487,7 @@ config SECCOMP - - config CC_STACKPROTECTOR - bool "Enable -fstack-protector buffer overflow detection (EXPERIMENTAL)" -+ depends on X86_64 || !PAX_MEMORY_UDEREF - ---help--- - This option turns on the -fstack-protector GCC feature. This - feature puts, at the beginning of functions, a canary value on -@@ -1544,6 +1545,7 @@ config KEXEC_JUMP - config PHYSICAL_START - hex "Physical address where the kernel is loaded" if (EXPERT || CRASH_DUMP) - default "0x1000000" -+ range 0x400000 0x40000000 - ---help--- - This gives the physical address where the kernel is loaded. - -@@ -1607,6 +1609,7 @@ config X86_NEED_RELOCS - config PHYSICAL_ALIGN - hex "Alignment value to which kernel should be aligned" if X86_32 - default "0x1000000" -+ range 0x400000 0x1000000 if PAX_KERNEXEC - range 0x2000 0x1000000 - ---help--- - This value puts the alignment restrictions on physical address -@@ -1638,9 +1641,10 @@ config HOTPLUG_CPU - Say N if you want to disable CPU hotplug. - - config COMPAT_VDSO -- def_bool y -+ def_bool n - prompt "Compat VDSO support" - depends on X86_32 || IA32_EMULATION -+ depends on !PAX_NOEXEC && !PAX_MEMORY_UDEREF - ---help--- - Map the 32-bit VDSO to the predictable old-style address too. - -diff -urNp linux-2.6.39.3/arch/x86/Kconfig.cpu linux-2.6.39.3/arch/x86/Kconfig.cpu ---- linux-2.6.39.3/arch/x86/Kconfig.cpu 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/Kconfig.cpu 2011-05-22 19:36:30.000000000 -0400 -@@ -334,7 +334,7 @@ config X86_PPRO_FENCE - - config X86_F00F_BUG - def_bool y -- depends on M586MMX || M586TSC || M586 || M486 || M386 -+ depends on (M586MMX || M586TSC || M586 || M486 || M386) && !PAX_KERNEXEC - - config X86_INVD_BUG - def_bool y -@@ -358,7 +358,7 @@ config X86_POPAD_OK - - config X86_ALIGNMENT_16 - def_bool y -- depends on MWINCHIP3D || MWINCHIPC6 || MCYRIXIII || X86_ELAN || MK6 || M586MMX || M586TSC || M586 || M486 || MVIAC3_2 || MGEODEGX1 -+ depends on MWINCHIP3D || MWINCHIPC6 || MCYRIXIII || X86_ELAN || MK8 || MK7 || MK6 || MCORE2 || MPENTIUM4 || MPENTIUMIII || MPENTIUMII || M686 || M586MMX || M586TSC || M586 || M486 || MVIAC3_2 || MGEODEGX1 - - config X86_INTEL_USERCOPY - def_bool y -@@ -404,7 +404,7 @@ config X86_CMPXCHG64 - # generates cmov. - config X86_CMOV - def_bool y -- depends on (MK8 || MK7 || MCORE2 || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || MVIAC3_2 || MVIAC7 || MCRUSOE || MEFFICEON || X86_64 || MATOM || MGEODE_LX) -+ depends on (MK8 || MK7 || MCORE2 || MPSC || MPENTIUM4 || MPENTIUMM || MPENTIUMIII || MPENTIUMII || M686 || MVIAC3_2 || MVIAC7 || MCRUSOE || MEFFICEON || X86_64 || MATOM || MGEODE_LX) - - config X86_MINIMUM_CPU_FAMILY - int -diff -urNp linux-2.6.39.3/arch/x86/Kconfig.debug linux-2.6.39.3/arch/x86/Kconfig.debug ---- linux-2.6.39.3/arch/x86/Kconfig.debug 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/Kconfig.debug 2011-05-22 19:36:30.000000000 -0400 -@@ -101,7 +101,7 @@ config X86_PTDUMP - config DEBUG_RODATA - bool "Write protect kernel read-only data structures" - default y -- depends on DEBUG_KERNEL -+ depends on DEBUG_KERNEL && BROKEN - ---help--- - Mark the kernel read-only data as write-protected in the pagetables, - in order to catch accidental (and incorrect) writes to such const -@@ -119,7 +119,7 @@ config DEBUG_RODATA_TEST - - config DEBUG_SET_MODULE_RONX - bool "Set loadable kernel module data as NX and text as RO" -- depends on MODULES -+ depends on MODULES && BROKEN - ---help--- - This option helps catch unintended modifications to loadable - kernel module's text and read-only data. It also prevents execution -diff -urNp linux-2.6.39.3/arch/x86/kernel/acpi/realmode/wakeup.S linux-2.6.39.3/arch/x86/kernel/acpi/realmode/wakeup.S ---- linux-2.6.39.3/arch/x86/kernel/acpi/realmode/wakeup.S 2011-07-09 09:18:51.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kernel/acpi/realmode/wakeup.S 2011-07-09 09:19:18.000000000 -0400 -@@ -108,6 +108,9 @@ wakeup_code: - /* Do any other stuff... */ - - #ifndef CONFIG_64BIT -+ /* Recheck NX bit overrides (64bit path does this in trampoline */ -+ call verify_cpu -+ - /* This could also be done in C code... */ - movl pmode_cr3, %eax - movl %eax, %cr3 -@@ -131,6 +134,7 @@ wakeup_code: - movl pmode_cr0, %eax - movl %eax, %cr0 - jmp pmode_return -+# include "../../verify_cpu.S" - #else - pushw $0 - pushw trampoline_segment -diff -urNp linux-2.6.39.3/arch/x86/kernel/acpi/sleep.c linux-2.6.39.3/arch/x86/kernel/acpi/sleep.c ---- linux-2.6.39.3/arch/x86/kernel/acpi/sleep.c 2011-07-09 09:18:51.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kernel/acpi/sleep.c 2011-07-09 09:19:18.000000000 -0400 -@@ -94,8 +94,12 @@ int acpi_suspend_lowlevel(void) - header->trampoline_segment = trampoline_address() >> 4; - #ifdef CONFIG_SMP - stack_start = (unsigned long)temp_stack + sizeof(temp_stack); -+ -+ pax_open_kernel(); - early_gdt_descr.address = - (unsigned long)get_cpu_gdt_table(smp_processor_id()); -+ pax_close_kernel(); -+ - initial_gs = per_cpu_offset(smp_processor_id()); - #endif - initial_code = (unsigned long)wakeup_long64; -diff -urNp linux-2.6.39.3/arch/x86/kernel/acpi/wakeup_32.S linux-2.6.39.3/arch/x86/kernel/acpi/wakeup_32.S ---- linux-2.6.39.3/arch/x86/kernel/acpi/wakeup_32.S 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kernel/acpi/wakeup_32.S 2011-05-22 19:36:30.000000000 -0400 -@@ -30,13 +30,11 @@ wakeup_pmode_return: - # and restore the stack ... but you need gdt for this to work - movl saved_context_esp, %esp - -- movl %cs:saved_magic, %eax -- cmpl $0x12345678, %eax -+ cmpl $0x12345678, saved_magic - jne bogus_magic - - # jump to place where we left off -- movl saved_eip, %eax -- jmp *%eax -+ jmp *(saved_eip) - - bogus_magic: - jmp bogus_magic -diff -urNp linux-2.6.39.3/arch/x86/kernel/alternative.c linux-2.6.39.3/arch/x86/kernel/alternative.c ---- linux-2.6.39.3/arch/x86/kernel/alternative.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kernel/alternative.c 2011-05-22 19:36:30.000000000 -0400 -@@ -248,7 +248,7 @@ static void alternatives_smp_lock(const - if (!*poff || ptr < text || ptr >= text_end) - continue; - /* turn DS segment override prefix into lock prefix */ -- if (*ptr == 0x3e) -+ if (*ktla_ktva(ptr) == 0x3e) - text_poke(ptr, ((unsigned char []){0xf0}), 1); - }; - mutex_unlock(&text_mutex); -@@ -269,7 +269,7 @@ static void alternatives_smp_unlock(cons - if (!*poff || ptr < text || ptr >= text_end) - continue; - /* turn lock prefix into DS segment override prefix */ -- if (*ptr == 0xf0) -+ if (*ktla_ktva(ptr) == 0xf0) - text_poke(ptr, ((unsigned char []){0x3E}), 1); - }; - mutex_unlock(&text_mutex); -@@ -438,7 +438,7 @@ void __init_or_module apply_paravirt(str - - BUG_ON(p->len > MAX_PATCH_LEN); - /* prep the buffer with the original instructions */ -- memcpy(insnbuf, p->instr, p->len); -+ memcpy(insnbuf, ktla_ktva(p->instr), p->len); - used = pv_init_ops.patch(p->instrtype, p->clobbers, insnbuf, - (unsigned long)p->instr, p->len); - -@@ -506,7 +506,7 @@ void __init alternative_instructions(voi - if (smp_alt_once) - free_init_pages("SMP alternatives", - (unsigned long)__smp_locks, -- (unsigned long)__smp_locks_end); -+ PAGE_ALIGN((unsigned long)__smp_locks_end)); - - restart_nmi(); - } -@@ -523,13 +523,17 @@ void __init alternative_instructions(voi - * instructions. And on the local CPU you need to be protected again NMI or MCE - * handlers seeing an inconsistent instruction while you patch. - */ --void *__init_or_module text_poke_early(void *addr, const void *opcode, -+void *__kprobes text_poke_early(void *addr, const void *opcode, - size_t len) - { - unsigned long flags; - local_irq_save(flags); -- memcpy(addr, opcode, len); -+ -+ pax_open_kernel(); -+ memcpy(ktla_ktva(addr), opcode, len); - sync_core(); -+ pax_close_kernel(); -+ - local_irq_restore(flags); - /* Could also do a CLFLUSH here to speed up CPU recovery; but - that causes hangs on some VIA CPUs. */ -@@ -551,36 +555,22 @@ void *__init_or_module text_poke_early(v - */ - void *__kprobes text_poke(void *addr, const void *opcode, size_t len) - { -- unsigned long flags; -- char *vaddr; -+ unsigned char *vaddr = ktla_ktva(addr); - struct page *pages[2]; -- int i; -+ size_t i; - - if (!core_kernel_text((unsigned long)addr)) { -- pages[0] = vmalloc_to_page(addr); -- pages[1] = vmalloc_to_page(addr + PAGE_SIZE); -+ pages[0] = vmalloc_to_page(vaddr); -+ pages[1] = vmalloc_to_page(vaddr + PAGE_SIZE); - } else { -- pages[0] = virt_to_page(addr); -+ pages[0] = virt_to_page(vaddr); - WARN_ON(!PageReserved(pages[0])); -- pages[1] = virt_to_page(addr + PAGE_SIZE); -+ pages[1] = virt_to_page(vaddr + PAGE_SIZE); - } - BUG_ON(!pages[0]); -- local_irq_save(flags); -- set_fixmap(FIX_TEXT_POKE0, page_to_phys(pages[0])); -- if (pages[1]) -- set_fixmap(FIX_TEXT_POKE1, page_to_phys(pages[1])); -- vaddr = (char *)fix_to_virt(FIX_TEXT_POKE0); -- memcpy(&vaddr[(unsigned long)addr & ~PAGE_MASK], opcode, len); -- clear_fixmap(FIX_TEXT_POKE0); -- if (pages[1]) -- clear_fixmap(FIX_TEXT_POKE1); -- local_flush_tlb(); -- sync_core(); -- /* Could also do a CLFLUSH here to speed up CPU recovery; but -- that causes hangs on some VIA CPUs. */ -+ text_poke_early(addr, opcode, len); - for (i = 0; i < len; i++) -- BUG_ON(((char *)addr)[i] != ((char *)opcode)[i]); -- local_irq_restore(flags); -+ BUG_ON((vaddr)[i] != ((const unsigned char *)opcode)[i]); - return addr; - } - -@@ -682,9 +672,9 @@ void __kprobes text_poke_smp_batch(struc - #if defined(CONFIG_DYNAMIC_FTRACE) || defined(HAVE_JUMP_LABEL) - - #ifdef CONFIG_X86_64 --unsigned char ideal_nop5[5] = { 0x66, 0x66, 0x66, 0x66, 0x90 }; -+unsigned char ideal_nop5[5] __read_only = { 0x66, 0x66, 0x66, 0x66, 0x90 }; - #else --unsigned char ideal_nop5[5] = { 0x3e, 0x8d, 0x74, 0x26, 0x00 }; -+unsigned char ideal_nop5[5] __read_only = { 0x3e, 0x8d, 0x74, 0x26, 0x00 }; - #endif - - void __init arch_init_ideal_nop5(void) -diff -urNp linux-2.6.39.3/arch/x86/kernel/amd_iommu.c linux-2.6.39.3/arch/x86/kernel/amd_iommu.c ---- linux-2.6.39.3/arch/x86/kernel/amd_iommu.c 2011-06-25 12:55:22.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kernel/amd_iommu.c 2011-06-25 13:00:25.000000000 -0400 -@@ -49,7 +49,7 @@ static DEFINE_SPINLOCK(iommu_pd_list_loc - */ - static struct protection_domain *pt_domain; - --static struct iommu_ops amd_iommu_ops; -+static const struct iommu_ops amd_iommu_ops; - - /* - * general struct to manage commands send to an IOMMU -@@ -2307,7 +2307,7 @@ static void prealloc_protection_domains( - } - } - --static struct dma_map_ops amd_iommu_dma_ops = { -+static const struct dma_map_ops amd_iommu_dma_ops = { - .alloc_coherent = alloc_coherent, - .free_coherent = free_coherent, - .map_page = map_page, -@@ -2624,7 +2624,7 @@ static int amd_iommu_domain_has_cap(stru - return 0; - } - --static struct iommu_ops amd_iommu_ops = { -+static const struct iommu_ops amd_iommu_ops = { - .domain_init = amd_iommu_domain_init, - .domain_destroy = amd_iommu_domain_destroy, - .attach_dev = amd_iommu_attach_device, -diff -urNp linux-2.6.39.3/arch/x86/kernel/apic/apic.c linux-2.6.39.3/arch/x86/kernel/apic/apic.c ---- linux-2.6.39.3/arch/x86/kernel/apic/apic.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kernel/apic/apic.c 2011-05-22 19:36:30.000000000 -0400 -@@ -1821,7 +1821,7 @@ void smp_error_interrupt(struct pt_regs - apic_write(APIC_ESR, 0); - v1 = apic_read(APIC_ESR); - ack_APIC_irq(); -- atomic_inc(&irq_err_count); -+ atomic_inc_unchecked(&irq_err_count); - - /* - * Here is what the APIC error bits mean: -@@ -2204,6 +2204,8 @@ static int __cpuinit apic_cluster_num(vo - u16 *bios_cpu_apicid; - DECLARE_BITMAP(clustermap, NUM_APIC_CLUSTERS); - -+ pax_track_stack(); -+ - bios_cpu_apicid = early_per_cpu_ptr(x86_bios_cpu_apicid); - bitmap_zero(clustermap, NUM_APIC_CLUSTERS); - -diff -urNp linux-2.6.39.3/arch/x86/kernel/apic/io_apic.c linux-2.6.39.3/arch/x86/kernel/apic/io_apic.c ---- linux-2.6.39.3/arch/x86/kernel/apic/io_apic.c 2011-06-03 00:04:13.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kernel/apic/io_apic.c 2011-06-03 00:42:37.000000000 -0400 -@@ -623,7 +623,7 @@ struct IO_APIC_route_entry **alloc_ioapi - ioapic_entries = kzalloc(sizeof(*ioapic_entries) * nr_ioapics, - GFP_ATOMIC); - if (!ioapic_entries) -- return 0; -+ return NULL; - - for (apic = 0; apic < nr_ioapics; apic++) { - ioapic_entries[apic] = -@@ -640,7 +640,7 @@ nomem: - kfree(ioapic_entries[apic]); - kfree(ioapic_entries); - -- return 0; -+ return NULL; - } - - /* -@@ -1040,7 +1040,7 @@ int IO_APIC_get_PCI_irq_vector(int bus, - } - EXPORT_SYMBOL(IO_APIC_get_PCI_irq_vector); - --void lock_vector_lock(void) -+void lock_vector_lock(void) __acquires(vector_lock) - { - /* Used to the online set of cpus does not change - * during assign_irq_vector. -@@ -1048,7 +1048,7 @@ void lock_vector_lock(void) - raw_spin_lock(&vector_lock); - } - --void unlock_vector_lock(void) -+void unlock_vector_lock(void) __releases(vector_lock) - { - raw_spin_unlock(&vector_lock); - } -@@ -2379,7 +2379,7 @@ static void ack_apic_edge(struct irq_dat - ack_APIC_irq(); - } - --atomic_t irq_mis_count; -+atomic_unchecked_t irq_mis_count; - - /* - * IO-APIC versions below 0x20 don't support EOI register. -@@ -2487,7 +2487,7 @@ static void ack_apic_level(struct irq_da - * at the cpu. - */ - if (!(v & (1 << (i & 0x1f)))) { -- atomic_inc(&irq_mis_count); -+ atomic_inc_unchecked(&irq_mis_count); - - eoi_ioapic_irq(irq, cfg); - } -diff -urNp linux-2.6.39.3/arch/x86/kernel/apm_32.c linux-2.6.39.3/arch/x86/kernel/apm_32.c ---- linux-2.6.39.3/arch/x86/kernel/apm_32.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kernel/apm_32.c 2011-05-22 19:36:30.000000000 -0400 -@@ -412,7 +412,7 @@ static DEFINE_MUTEX(apm_mutex); - * This is for buggy BIOS's that refer to (real mode) segment 0x40 - * even though they are called in protected mode. - */ --static struct desc_struct bad_bios_desc = GDT_ENTRY_INIT(0x4092, -+static const struct desc_struct bad_bios_desc = GDT_ENTRY_INIT(0x4093, - (unsigned long)__va(0x400UL), PAGE_SIZE - 0x400 - 1); - - static const char driver_version[] = "1.16ac"; /* no spaces */ -@@ -590,7 +590,10 @@ static long __apm_bios_call(void *_call) - BUG_ON(cpu != 0); - gdt = get_cpu_gdt_table(cpu); - save_desc_40 = gdt[0x40 / 8]; -+ -+ pax_open_kernel(); - gdt[0x40 / 8] = bad_bios_desc; -+ pax_close_kernel(); - - apm_irq_save(flags); - APM_DO_SAVE_SEGS; -@@ -599,7 +602,11 @@ static long __apm_bios_call(void *_call) - &call->esi); - APM_DO_RESTORE_SEGS; - apm_irq_restore(flags); -+ -+ pax_open_kernel(); - gdt[0x40 / 8] = save_desc_40; -+ pax_close_kernel(); -+ - put_cpu(); - - return call->eax & 0xff; -@@ -666,7 +673,10 @@ static long __apm_bios_call_simple(void - BUG_ON(cpu != 0); - gdt = get_cpu_gdt_table(cpu); - save_desc_40 = gdt[0x40 / 8]; -+ -+ pax_open_kernel(); - gdt[0x40 / 8] = bad_bios_desc; -+ pax_close_kernel(); - - apm_irq_save(flags); - APM_DO_SAVE_SEGS; -@@ -674,7 +684,11 @@ static long __apm_bios_call_simple(void - &call->eax); - APM_DO_RESTORE_SEGS; - apm_irq_restore(flags); -+ -+ pax_open_kernel(); - gdt[0x40 / 8] = save_desc_40; -+ pax_close_kernel(); -+ - put_cpu(); - return error; - } -@@ -2351,12 +2365,15 @@ static int __init apm_init(void) - * code to that CPU. - */ - gdt = get_cpu_gdt_table(0); -+ -+ pax_open_kernel(); - set_desc_base(&gdt[APM_CS >> 3], - (unsigned long)__va((unsigned long)apm_info.bios.cseg << 4)); - set_desc_base(&gdt[APM_CS_16 >> 3], - (unsigned long)__va((unsigned long)apm_info.bios.cseg_16 << 4)); - set_desc_base(&gdt[APM_DS >> 3], - (unsigned long)__va((unsigned long)apm_info.bios.dseg << 4)); -+ pax_close_kernel(); - - proc_create("apm", 0, NULL, &apm_file_ops); - -diff -urNp linux-2.6.39.3/arch/x86/kernel/asm-offsets_64.c linux-2.6.39.3/arch/x86/kernel/asm-offsets_64.c ---- linux-2.6.39.3/arch/x86/kernel/asm-offsets_64.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kernel/asm-offsets_64.c 2011-05-22 19:36:30.000000000 -0400 -@@ -69,6 +69,7 @@ int main(void) - BLANK(); - #undef ENTRY - -+ DEFINE(TSS_size, sizeof(struct tss_struct)); - OFFSET(TSS_ist, tss_struct, x86_tss.ist); - BLANK(); - -diff -urNp linux-2.6.39.3/arch/x86/kernel/asm-offsets.c linux-2.6.39.3/arch/x86/kernel/asm-offsets.c ---- linux-2.6.39.3/arch/x86/kernel/asm-offsets.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kernel/asm-offsets.c 2011-05-25 17:35:48.000000000 -0400 -@@ -33,6 +33,8 @@ void common(void) { - OFFSET(TI_status, thread_info, status); - OFFSET(TI_addr_limit, thread_info, addr_limit); - OFFSET(TI_preempt_count, thread_info, preempt_count); -+ OFFSET(TI_lowest_stack, thread_info, lowest_stack); -+ DEFINE(TI_task_thread_sp0, offsetof(struct task_struct, thread.sp0) - offsetof(struct task_struct, tinfo)); - - BLANK(); - OFFSET(crypto_tfm_ctx_offset, crypto_tfm, __crt_ctx); -@@ -53,8 +55,26 @@ void common(void) { - OFFSET(PV_CPU_irq_enable_sysexit, pv_cpu_ops, irq_enable_sysexit); - OFFSET(PV_CPU_read_cr0, pv_cpu_ops, read_cr0); - OFFSET(PV_MMU_read_cr2, pv_mmu_ops, read_cr2); -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ OFFSET(PV_CPU_write_cr0, pv_cpu_ops, write_cr0); -+#endif -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ OFFSET(PV_MMU_read_cr3, pv_mmu_ops, read_cr3); -+ OFFSET(PV_MMU_write_cr3, pv_mmu_ops, write_cr3); -+#ifdef CONFIG_X86_64 -+ OFFSET(PV_MMU_set_pgd, pv_mmu_ops, set_pgd); -+#endif - #endif - -+#endif -+ -+ BLANK(); -+ DEFINE(PAGE_SIZE_asm, PAGE_SIZE); -+ DEFINE(PAGE_SHIFT_asm, PAGE_SHIFT); -+ DEFINE(THREAD_SIZE_asm, THREAD_SIZE); -+ - #ifdef CONFIG_XEN - BLANK(); - OFFSET(XEN_vcpu_info_mask, vcpu_info, evtchn_upcall_mask); -diff -urNp linux-2.6.39.3/arch/x86/kernel/cpu/amd.c linux-2.6.39.3/arch/x86/kernel/cpu/amd.c ---- linux-2.6.39.3/arch/x86/kernel/cpu/amd.c 2011-06-03 00:04:13.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kernel/cpu/amd.c 2011-06-03 00:32:04.000000000 -0400 -@@ -647,7 +647,7 @@ static unsigned int __cpuinit amd_size_c - unsigned int size) - { - /* AMD errata T13 (order #21922) */ -- if ((c->x86 == 6)) { -+ if (c->x86 == 6) { - /* Duron Rev A0 */ - if (c->x86_model == 3 && c->x86_mask == 0) - size = 64; -diff -urNp linux-2.6.39.3/arch/x86/kernel/cpu/common.c linux-2.6.39.3/arch/x86/kernel/cpu/common.c ---- linux-2.6.39.3/arch/x86/kernel/cpu/common.c 2011-06-03 00:04:13.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kernel/cpu/common.c 2011-06-03 00:32:04.000000000 -0400 -@@ -83,60 +83,6 @@ static const struct cpu_dev __cpuinitcon - - static const struct cpu_dev *this_cpu __cpuinitdata = &default_cpu; - --DEFINE_PER_CPU_PAGE_ALIGNED(struct gdt_page, gdt_page) = { .gdt = { --#ifdef CONFIG_X86_64 -- /* -- * We need valid kernel segments for data and code in long mode too -- * IRET will check the segment types kkeil 2000/10/28 -- * Also sysret mandates a special GDT layout -- * -- * TLS descriptors are currently at a different place compared to i386. -- * Hopefully nobody expects them at a fixed place (Wine?) -- */ -- [GDT_ENTRY_KERNEL32_CS] = GDT_ENTRY_INIT(0xc09b, 0, 0xfffff), -- [GDT_ENTRY_KERNEL_CS] = GDT_ENTRY_INIT(0xa09b, 0, 0xfffff), -- [GDT_ENTRY_KERNEL_DS] = GDT_ENTRY_INIT(0xc093, 0, 0xfffff), -- [GDT_ENTRY_DEFAULT_USER32_CS] = GDT_ENTRY_INIT(0xc0fb, 0, 0xfffff), -- [GDT_ENTRY_DEFAULT_USER_DS] = GDT_ENTRY_INIT(0xc0f3, 0, 0xfffff), -- [GDT_ENTRY_DEFAULT_USER_CS] = GDT_ENTRY_INIT(0xa0fb, 0, 0xfffff), --#else -- [GDT_ENTRY_KERNEL_CS] = GDT_ENTRY_INIT(0xc09a, 0, 0xfffff), -- [GDT_ENTRY_KERNEL_DS] = GDT_ENTRY_INIT(0xc092, 0, 0xfffff), -- [GDT_ENTRY_DEFAULT_USER_CS] = GDT_ENTRY_INIT(0xc0fa, 0, 0xfffff), -- [GDT_ENTRY_DEFAULT_USER_DS] = GDT_ENTRY_INIT(0xc0f2, 0, 0xfffff), -- /* -- * Segments used for calling PnP BIOS have byte granularity. -- * They code segments and data segments have fixed 64k limits, -- * the transfer segment sizes are set at run time. -- */ -- /* 32-bit code */ -- [GDT_ENTRY_PNPBIOS_CS32] = GDT_ENTRY_INIT(0x409a, 0, 0xffff), -- /* 16-bit code */ -- [GDT_ENTRY_PNPBIOS_CS16] = GDT_ENTRY_INIT(0x009a, 0, 0xffff), -- /* 16-bit data */ -- [GDT_ENTRY_PNPBIOS_DS] = GDT_ENTRY_INIT(0x0092, 0, 0xffff), -- /* 16-bit data */ -- [GDT_ENTRY_PNPBIOS_TS1] = GDT_ENTRY_INIT(0x0092, 0, 0), -- /* 16-bit data */ -- [GDT_ENTRY_PNPBIOS_TS2] = GDT_ENTRY_INIT(0x0092, 0, 0), -- /* -- * The APM segments have byte granularity and their bases -- * are set at run time. All have 64k limits. -- */ -- /* 32-bit code */ -- [GDT_ENTRY_APMBIOS_BASE] = GDT_ENTRY_INIT(0x409a, 0, 0xffff), -- /* 16-bit code */ -- [GDT_ENTRY_APMBIOS_BASE+1] = GDT_ENTRY_INIT(0x009a, 0, 0xffff), -- /* data */ -- [GDT_ENTRY_APMBIOS_BASE+2] = GDT_ENTRY_INIT(0x4092, 0, 0xffff), -- -- [GDT_ENTRY_ESPFIX_SS] = GDT_ENTRY_INIT(0xc092, 0, 0xfffff), -- [GDT_ENTRY_PERCPU] = GDT_ENTRY_INIT(0xc092, 0, 0xfffff), -- GDT_STACK_CANARY_INIT --#endif --} }; --EXPORT_PER_CPU_SYMBOL_GPL(gdt_page); -- - static int __init x86_xsave_setup(char *s) - { - setup_clear_cpu_cap(X86_FEATURE_XSAVE); -@@ -352,7 +298,7 @@ void switch_to_new_gdt(int cpu) - { - struct desc_ptr gdt_descr; - -- gdt_descr.address = (long)get_cpu_gdt_table(cpu); -+ gdt_descr.address = (unsigned long)get_cpu_gdt_table(cpu); - gdt_descr.size = GDT_SIZE - 1; - load_gdt(&gdt_descr); - /* Reload the per-cpu base */ -@@ -824,6 +770,10 @@ static void __cpuinit identify_cpu(struc - /* Filter out anything that depends on CPUID levels we don't have */ - filter_cpuid_features(c, true); - -+#if defined(CONFIG_PAX_SEGMEXEC) || defined(CONFIG_PAX_KERNEXEC) || (defined(CONFIG_PAX_MEMORY_UDEREF) && defined(CONFIG_X86_32)) -+ setup_clear_cpu_cap(X86_FEATURE_SEP); -+#endif -+ - /* If the model name is still unset, do table lookup. */ - if (!c->x86_model_id[0]) { - const char *p; -@@ -1003,6 +953,9 @@ static __init int setup_disablecpuid(cha - } - __setup("clearcpuid=", setup_disablecpuid); - -+DEFINE_PER_CPU(struct thread_info *, current_tinfo) = &init_task.tinfo; -+EXPORT_PER_CPU_SYMBOL(current_tinfo); -+ - #ifdef CONFIG_X86_64 - struct desc_ptr idt_descr = { NR_VECTORS * 16 - 1, (unsigned long) idt_table }; - -@@ -1018,7 +971,7 @@ DEFINE_PER_CPU(struct task_struct *, cur - EXPORT_PER_CPU_SYMBOL(current_task); - - DEFINE_PER_CPU(unsigned long, kernel_stack) = -- (unsigned long)&init_thread_union - KERNEL_STACK_OFFSET + THREAD_SIZE; -+ (unsigned long)&init_thread_union - 16 + THREAD_SIZE; - EXPORT_PER_CPU_SYMBOL(kernel_stack); - - DEFINE_PER_CPU(char *, irq_stack_ptr) = -@@ -1083,7 +1036,7 @@ struct pt_regs * __cpuinit idle_regs(str - { - memset(regs, 0, sizeof(struct pt_regs)); - regs->fs = __KERNEL_PERCPU; -- regs->gs = __KERNEL_STACK_CANARY; -+ savesegment(gs, regs->gs); - - return regs; - } -@@ -1138,7 +1091,7 @@ void __cpuinit cpu_init(void) - int i; - - cpu = stack_smp_processor_id(); -- t = &per_cpu(init_tss, cpu); -+ t = init_tss + cpu; - oist = &per_cpu(orig_ist, cpu); - - #ifdef CONFIG_NUMA -@@ -1164,7 +1117,7 @@ void __cpuinit cpu_init(void) - switch_to_new_gdt(cpu); - loadsegment(fs, 0); - -- load_idt((const struct desc_ptr *)&idt_descr); -+ load_idt(&idt_descr); - - memset(me->thread.tls_array, 0, GDT_ENTRY_TLS_ENTRIES * 8); - syscall_init(); -@@ -1173,7 +1126,6 @@ void __cpuinit cpu_init(void) - wrmsrl(MSR_KERNEL_GS_BASE, 0); - barrier(); - -- x86_configure_nx(); - if (cpu != 0) - enable_x2apic(); - -@@ -1227,7 +1179,7 @@ void __cpuinit cpu_init(void) - { - int cpu = smp_processor_id(); - struct task_struct *curr = current; -- struct tss_struct *t = &per_cpu(init_tss, cpu); -+ struct tss_struct *t = init_tss + cpu; - struct thread_struct *thread = &curr->thread; - - if (cpumask_test_and_set_cpu(cpu, cpu_initialized_mask)) { -diff -urNp linux-2.6.39.3/arch/x86/kernel/cpu/intel.c linux-2.6.39.3/arch/x86/kernel/cpu/intel.c ---- linux-2.6.39.3/arch/x86/kernel/cpu/intel.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kernel/cpu/intel.c 2011-05-22 19:36:30.000000000 -0400 -@@ -161,7 +161,7 @@ static void __cpuinit trap_init_f00f_bug - * Update the IDT descriptor and reload the IDT so that - * it uses the read-only mapped virtual address. - */ -- idt_descr.address = fix_to_virt(FIX_F00F_IDT); -+ idt_descr.address = (struct desc_struct *)fix_to_virt(FIX_F00F_IDT); - load_idt(&idt_descr); - } - #endif -diff -urNp linux-2.6.39.3/arch/x86/kernel/cpu/Makefile linux-2.6.39.3/arch/x86/kernel/cpu/Makefile ---- linux-2.6.39.3/arch/x86/kernel/cpu/Makefile 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kernel/cpu/Makefile 2011-05-22 19:36:30.000000000 -0400 -@@ -8,10 +8,6 @@ CFLAGS_REMOVE_common.o = -pg - CFLAGS_REMOVE_perf_event.o = -pg - endif - --# Make sure load_percpu_segment has no stackprotector --nostackp := $(call cc-option, -fno-stack-protector) --CFLAGS_common.o := $(nostackp) -- - obj-y := intel_cacheinfo.o scattered.o topology.o - obj-y += proc.o capflags.o powerflags.o common.o - obj-y += vmware.o hypervisor.o sched.o mshyperv.o -diff -urNp linux-2.6.39.3/arch/x86/kernel/cpu/mcheck/mce.c linux-2.6.39.3/arch/x86/kernel/cpu/mcheck/mce.c ---- linux-2.6.39.3/arch/x86/kernel/cpu/mcheck/mce.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kernel/cpu/mcheck/mce.c 2011-05-22 19:36:30.000000000 -0400 -@@ -46,6 +46,7 @@ - #include <asm/ipi.h> - #include <asm/mce.h> - #include <asm/msr.h> -+#include <asm/local.h> - - #include "mce-internal.h" - -@@ -220,7 +221,7 @@ static void print_mce(struct mce *m) - !(m->mcgstatus & MCG_STATUS_EIPV) ? " !INEXACT!" : "", - m->cs, m->ip); - -- if (m->cs == __KERNEL_CS) -+ if (m->cs == __KERNEL_CS || m->cs == __KERNEXEC_KERNEL_CS) - print_symbol("{%s}", m->ip); - pr_cont("\n"); - } -@@ -244,10 +245,10 @@ static void print_mce(struct mce *m) - - #define PANIC_TIMEOUT 5 /* 5 seconds */ - --static atomic_t mce_paniced; -+static atomic_unchecked_t mce_paniced; - - static int fake_panic; --static atomic_t mce_fake_paniced; -+static atomic_unchecked_t mce_fake_paniced; - - /* Panic in progress. Enable interrupts and wait for final IPI */ - static void wait_for_panic(void) -@@ -271,7 +272,7 @@ static void mce_panic(char *msg, struct - /* - * Make sure only one CPU runs in machine check panic - */ -- if (atomic_inc_return(&mce_paniced) > 1) -+ if (atomic_inc_return_unchecked(&mce_paniced) > 1) - wait_for_panic(); - barrier(); - -@@ -279,7 +280,7 @@ static void mce_panic(char *msg, struct - console_verbose(); - } else { - /* Don't log too much for fake panic */ -- if (atomic_inc_return(&mce_fake_paniced) > 1) -+ if (atomic_inc_return_unchecked(&mce_fake_paniced) > 1) - return; - } - /* First print corrected ones that are still unlogged */ -@@ -647,7 +648,7 @@ static int mce_timed_out(u64 *t) - * might have been modified by someone else. - */ - rmb(); -- if (atomic_read(&mce_paniced)) -+ if (atomic_read_unchecked(&mce_paniced)) - wait_for_panic(); - if (!monarch_timeout) - goto out; -@@ -1461,14 +1462,14 @@ void __cpuinit mcheck_cpu_init(struct cp - */ - - static DEFINE_SPINLOCK(mce_state_lock); --static int open_count; /* #times opened */ -+static local_t open_count; /* #times opened */ - static int open_exclu; /* already open exclusive? */ - - static int mce_open(struct inode *inode, struct file *file) - { - spin_lock(&mce_state_lock); - -- if (open_exclu || (open_count && (file->f_flags & O_EXCL))) { -+ if (open_exclu || (local_read(&open_count) && (file->f_flags & O_EXCL))) { - spin_unlock(&mce_state_lock); - - return -EBUSY; -@@ -1476,7 +1477,7 @@ static int mce_open(struct inode *inode, - - if (file->f_flags & O_EXCL) - open_exclu = 1; -- open_count++; -+ local_inc(&open_count); - - spin_unlock(&mce_state_lock); - -@@ -1487,7 +1488,7 @@ static int mce_release(struct inode *ino - { - spin_lock(&mce_state_lock); - -- open_count--; -+ local_dec(&open_count); - open_exclu = 0; - - spin_unlock(&mce_state_lock); -@@ -2174,7 +2175,7 @@ struct dentry *mce_get_debugfs_dir(void) - static void mce_reset(void) - { - cpu_missing = 0; -- atomic_set(&mce_fake_paniced, 0); -+ atomic_set_unchecked(&mce_fake_paniced, 0); - atomic_set(&mce_executing, 0); - atomic_set(&mce_callin, 0); - atomic_set(&global_nwo, 0); -diff -urNp linux-2.6.39.3/arch/x86/kernel/cpu/mtrr/main.c linux-2.6.39.3/arch/x86/kernel/cpu/mtrr/main.c ---- linux-2.6.39.3/arch/x86/kernel/cpu/mtrr/main.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kernel/cpu/mtrr/main.c 2011-05-22 19:36:30.000000000 -0400 -@@ -62,7 +62,7 @@ static DEFINE_MUTEX(mtrr_mutex); - u64 size_or_mask, size_and_mask; - static bool mtrr_aps_delayed_init; - --static const struct mtrr_ops *mtrr_ops[X86_VENDOR_NUM]; -+static const struct mtrr_ops *mtrr_ops[X86_VENDOR_NUM] __read_only; - - const struct mtrr_ops *mtrr_if; - -diff -urNp linux-2.6.39.3/arch/x86/kernel/cpu/mtrr/mtrr.h linux-2.6.39.3/arch/x86/kernel/cpu/mtrr/mtrr.h ---- linux-2.6.39.3/arch/x86/kernel/cpu/mtrr/mtrr.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kernel/cpu/mtrr/mtrr.h 2011-05-22 19:36:30.000000000 -0400 -@@ -12,19 +12,19 @@ - extern unsigned int mtrr_usage_table[MTRR_MAX_VAR_RANGES]; - - struct mtrr_ops { -- u32 vendor; -- u32 use_intel_if; -- void (*set)(unsigned int reg, unsigned long base, -+ const u32 vendor; -+ const u32 use_intel_if; -+ void (* const set)(unsigned int reg, unsigned long base, - unsigned long size, mtrr_type type); -- void (*set_all)(void); -+ void (* const set_all)(void); - -- void (*get)(unsigned int reg, unsigned long *base, -+ void (* const get)(unsigned int reg, unsigned long *base, - unsigned long *size, mtrr_type *type); -- int (*get_free_region)(unsigned long base, unsigned long size, -+ int (* const get_free_region)(unsigned long base, unsigned long size, - int replace_reg); -- int (*validate_add_page)(unsigned long base, unsigned long size, -+ int (* const validate_add_page)(unsigned long base, unsigned long size, - unsigned int type); -- int (*have_wrcomb)(void); -+ int (* const have_wrcomb)(void); - }; - - extern int generic_get_free_region(unsigned long base, unsigned long size, -diff -urNp linux-2.6.39.3/arch/x86/kernel/cpu/perf_event.c linux-2.6.39.3/arch/x86/kernel/cpu/perf_event.c ---- linux-2.6.39.3/arch/x86/kernel/cpu/perf_event.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kernel/cpu/perf_event.c 2011-05-22 19:36:30.000000000 -0400 -@@ -774,6 +774,8 @@ static int x86_schedule_events(struct cp - int i, j, w, wmax, num = 0; - struct hw_perf_event *hwc; - -+ pax_track_stack(); -+ - bitmap_zero(used_mask, X86_PMC_IDX_MAX); - - for (i = 0; i < n; i++) { -@@ -1878,7 +1880,7 @@ perf_callchain_user(struct perf_callchai - break; - - perf_callchain_store(entry, frame.return_address); -- fp = frame.next_frame; -+ fp = (__force const void __user *)frame.next_frame; - } - } - -diff -urNp linux-2.6.39.3/arch/x86/kernel/crash.c linux-2.6.39.3/arch/x86/kernel/crash.c ---- linux-2.6.39.3/arch/x86/kernel/crash.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kernel/crash.c 2011-05-22 19:36:30.000000000 -0400 -@@ -42,7 +42,7 @@ static void kdump_nmi_callback(int cpu, - regs = args->regs; - - #ifdef CONFIG_X86_32 -- if (!user_mode_vm(regs)) { -+ if (!user_mode(regs)) { - crash_fixup_ss_esp(&fixed_regs, regs); - regs = &fixed_regs; - } -diff -urNp linux-2.6.39.3/arch/x86/kernel/doublefault_32.c linux-2.6.39.3/arch/x86/kernel/doublefault_32.c ---- linux-2.6.39.3/arch/x86/kernel/doublefault_32.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kernel/doublefault_32.c 2011-05-22 19:36:30.000000000 -0400 -@@ -11,7 +11,7 @@ - - #define DOUBLEFAULT_STACKSIZE (1024) - static unsigned long doublefault_stack[DOUBLEFAULT_STACKSIZE]; --#define STACK_START (unsigned long)(doublefault_stack+DOUBLEFAULT_STACKSIZE) -+#define STACK_START (unsigned long)(doublefault_stack+DOUBLEFAULT_STACKSIZE-2) - - #define ptr_ok(x) ((x) > PAGE_OFFSET && (x) < PAGE_OFFSET + MAXMEM) - -@@ -21,7 +21,7 @@ static void doublefault_fn(void) - unsigned long gdt, tss; - - store_gdt(&gdt_desc); -- gdt = gdt_desc.address; -+ gdt = (unsigned long)gdt_desc.address; - - printk(KERN_EMERG "PANIC: double fault, gdt at %08lx [%d bytes]\n", gdt, gdt_desc.size); - -@@ -58,10 +58,10 @@ struct tss_struct doublefault_tss __cach - /* 0x2 bit is always set */ - .flags = X86_EFLAGS_SF | 0x2, - .sp = STACK_START, -- .es = __USER_DS, -+ .es = __KERNEL_DS, - .cs = __KERNEL_CS, - .ss = __KERNEL_DS, -- .ds = __USER_DS, -+ .ds = __KERNEL_DS, - .fs = __KERNEL_PERCPU, - - .__cr3 = __pa_nodebug(swapper_pg_dir), -diff -urNp linux-2.6.39.3/arch/x86/kernel/dumpstack_32.c linux-2.6.39.3/arch/x86/kernel/dumpstack_32.c ---- linux-2.6.39.3/arch/x86/kernel/dumpstack_32.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kernel/dumpstack_32.c 2011-05-22 19:36:30.000000000 -0400 -@@ -38,15 +38,13 @@ void dump_trace(struct task_struct *task - bp = stack_frame(task, regs); - - for (;;) { -- struct thread_info *context; -+ void *stack_start = (void *)((unsigned long)stack & ~(THREAD_SIZE-1)); - -- context = (struct thread_info *) -- ((unsigned long)stack & (~(THREAD_SIZE - 1))); -- bp = ops->walk_stack(context, stack, bp, ops, data, NULL, &graph); -+ bp = ops->walk_stack(task, stack_start, stack, bp, ops, data, NULL, &graph); - -- stack = (unsigned long *)context->previous_esp; -- if (!stack) -+ if (stack_start == task_stack_page(task)) - break; -+ stack = *(unsigned long **)stack_start; - if (ops->stack(data, "IRQ") < 0) - break; - touch_nmi_watchdog(); -@@ -96,21 +94,22 @@ void show_registers(struct pt_regs *regs - * When in-kernel, we also print out the stack and code at the - * time of the fault.. - */ -- if (!user_mode_vm(regs)) { -+ if (!user_mode(regs)) { - unsigned int code_prologue = code_bytes * 43 / 64; - unsigned int code_len = code_bytes; - unsigned char c; - u8 *ip; -+ unsigned long cs_base = get_desc_base(&get_cpu_gdt_table(smp_processor_id())[(0xffff & regs->cs) >> 3]); - - printk(KERN_EMERG "Stack:\n"); - show_stack_log_lvl(NULL, regs, ®s->sp, 0, KERN_EMERG); - - printk(KERN_EMERG "Code: "); - -- ip = (u8 *)regs->ip - code_prologue; -+ ip = (u8 *)regs->ip - code_prologue + cs_base; - if (ip < (u8 *)PAGE_OFFSET || probe_kernel_address(ip, c)) { - /* try starting at IP */ -- ip = (u8 *)regs->ip; -+ ip = (u8 *)regs->ip + cs_base; - code_len = code_len - code_prologue + 1; - } - for (i = 0; i < code_len; i++, ip++) { -@@ -119,7 +118,7 @@ void show_registers(struct pt_regs *regs - printk(" Bad EIP value."); - break; - } -- if (ip == (u8 *)regs->ip) -+ if (ip == (u8 *)regs->ip + cs_base) - printk("<%02x> ", c); - else - printk("%02x ", c); -@@ -132,6 +131,7 @@ int is_valid_bugaddr(unsigned long ip) - { - unsigned short ud2; - -+ ip = ktla_ktva(ip); - if (ip < PAGE_OFFSET) - return 0; - if (probe_kernel_address((unsigned short *)ip, ud2)) -diff -urNp linux-2.6.39.3/arch/x86/kernel/dumpstack_64.c linux-2.6.39.3/arch/x86/kernel/dumpstack_64.c ---- linux-2.6.39.3/arch/x86/kernel/dumpstack_64.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kernel/dumpstack_64.c 2011-05-22 19:36:30.000000000 -0400 -@@ -147,9 +147,9 @@ void dump_trace(struct task_struct *task - unsigned long *irq_stack_end = - (unsigned long *)per_cpu(irq_stack_ptr, cpu); - unsigned used = 0; -- struct thread_info *tinfo; - int graph = 0; - unsigned long dummy; -+ void *stack_start; - - if (!task) - task = current; -@@ -167,10 +167,10 @@ void dump_trace(struct task_struct *task - * current stack address. If the stacks consist of nested - * exceptions - */ -- tinfo = task_thread_info(task); - for (;;) { - char *id; - unsigned long *estack_end; -+ - estack_end = in_exception_stack(cpu, (unsigned long)stack, - &used, &id); - -@@ -178,7 +178,7 @@ void dump_trace(struct task_struct *task - if (ops->stack(data, id) < 0) - break; - -- bp = ops->walk_stack(tinfo, stack, bp, ops, -+ bp = ops->walk_stack(task, estack_end - EXCEPTION_STKSZ, stack, bp, ops, - data, estack_end, &graph); - ops->stack(data, "<EOE>"); - /* -@@ -197,7 +197,7 @@ void dump_trace(struct task_struct *task - if (in_irq_stack(stack, irq_stack, irq_stack_end)) { - if (ops->stack(data, "IRQ") < 0) - break; -- bp = ops->walk_stack(tinfo, stack, bp, -+ bp = ops->walk_stack(task, irq_stack, stack, bp, - ops, data, irq_stack_end, &graph); - /* - * We link to the next stack (which would be -@@ -218,7 +218,8 @@ void dump_trace(struct task_struct *task - /* - * This handles the process stack: - */ -- bp = ops->walk_stack(tinfo, stack, bp, ops, data, NULL, &graph); -+ stack_start = (void *)((unsigned long)stack & ~(THREAD_SIZE-1)); -+ bp = ops->walk_stack(task, stack_start, stack, bp, ops, data, NULL, &graph); - put_cpu(); - } - EXPORT_SYMBOL(dump_trace); -diff -urNp linux-2.6.39.3/arch/x86/kernel/dumpstack.c linux-2.6.39.3/arch/x86/kernel/dumpstack.c ---- linux-2.6.39.3/arch/x86/kernel/dumpstack.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kernel/dumpstack.c 2011-05-22 19:41:32.000000000 -0400 -@@ -2,6 +2,9 @@ - * Copyright (C) 1991, 1992 Linus Torvalds - * Copyright (C) 2000, 2001, 2002 Andi Kleen, SuSE Labs - */ -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+#define __INCLUDED_BY_HIDESYM 1 -+#endif - #include <linux/kallsyms.h> - #include <linux/kprobes.h> - #include <linux/uaccess.h> -@@ -35,9 +38,8 @@ void printk_address(unsigned long addres - static void - print_ftrace_graph_addr(unsigned long addr, void *data, - const struct stacktrace_ops *ops, -- struct thread_info *tinfo, int *graph) -+ struct task_struct *task, int *graph) - { -- struct task_struct *task = tinfo->task; - unsigned long ret_addr; - int index = task->curr_ret_stack; - -@@ -58,7 +60,7 @@ print_ftrace_graph_addr(unsigned long ad - static inline void - print_ftrace_graph_addr(unsigned long addr, void *data, - const struct stacktrace_ops *ops, -- struct thread_info *tinfo, int *graph) -+ struct task_struct *task, int *graph) - { } - #endif - -@@ -69,10 +71,8 @@ print_ftrace_graph_addr(unsigned long ad - * severe exception (double fault, nmi, stack fault, debug, mce) hardware stack - */ - --static inline int valid_stack_ptr(struct thread_info *tinfo, -- void *p, unsigned int size, void *end) -+static inline int valid_stack_ptr(void *t, void *p, unsigned int size, void *end) - { -- void *t = tinfo; - if (end) { - if (p < end && p >= (end-THREAD_SIZE)) - return 1; -@@ -83,14 +83,14 @@ static inline int valid_stack_ptr(struct - } - - unsigned long --print_context_stack(struct thread_info *tinfo, -+print_context_stack(struct task_struct *task, void *stack_start, - unsigned long *stack, unsigned long bp, - const struct stacktrace_ops *ops, void *data, - unsigned long *end, int *graph) - { - struct stack_frame *frame = (struct stack_frame *)bp; - -- while (valid_stack_ptr(tinfo, stack, sizeof(*stack), end)) { -+ while (valid_stack_ptr(stack_start, stack, sizeof(*stack), end)) { - unsigned long addr; - - addr = *stack; -@@ -102,7 +102,7 @@ print_context_stack(struct thread_info * - } else { - ops->address(data, addr, 0); - } -- print_ftrace_graph_addr(addr, data, ops, tinfo, graph); -+ print_ftrace_graph_addr(addr, data, ops, task, graph); - } - stack++; - } -@@ -111,7 +111,7 @@ print_context_stack(struct thread_info * - EXPORT_SYMBOL_GPL(print_context_stack); - - unsigned long --print_context_stack_bp(struct thread_info *tinfo, -+print_context_stack_bp(struct task_struct *task, void *stack_start, - unsigned long *stack, unsigned long bp, - const struct stacktrace_ops *ops, void *data, - unsigned long *end, int *graph) -@@ -119,7 +119,7 @@ print_context_stack_bp(struct thread_inf - struct stack_frame *frame = (struct stack_frame *)bp; - unsigned long *ret_addr = &frame->return_address; - -- while (valid_stack_ptr(tinfo, ret_addr, sizeof(*ret_addr), end)) { -+ while (valid_stack_ptr(stack_start, ret_addr, sizeof(*ret_addr), end)) { - unsigned long addr = *ret_addr; - - if (!__kernel_text_address(addr)) -@@ -128,7 +128,7 @@ print_context_stack_bp(struct thread_inf - ops->address(data, addr, 1); - frame = frame->next_frame; - ret_addr = &frame->return_address; -- print_ftrace_graph_addr(addr, data, ops, tinfo, graph); -+ print_ftrace_graph_addr(addr, data, ops, task, graph); - } - - return (unsigned long)frame; -@@ -202,7 +202,7 @@ void dump_stack(void) - - bp = stack_frame(current, NULL); - printk("Pid: %d, comm: %.20s %s %s %.*s\n", -- current->pid, current->comm, print_tainted(), -+ task_pid_nr(current), current->comm, print_tainted(), - init_utsname()->release, - (int)strcspn(init_utsname()->version, " "), - init_utsname()->version); -@@ -238,6 +238,8 @@ unsigned __kprobes long oops_begin(void) - } - EXPORT_SYMBOL_GPL(oops_begin); - -+extern void gr_handle_kernel_exploit(void); -+ - void __kprobes oops_end(unsigned long flags, struct pt_regs *regs, int signr) - { - if (regs && kexec_should_crash(current)) -@@ -259,7 +261,10 @@ void __kprobes oops_end(unsigned long fl - panic("Fatal exception in interrupt"); - if (panic_on_oops) - panic("Fatal exception"); -- do_exit(signr); -+ -+ gr_handle_kernel_exploit(); -+ -+ do_group_exit(signr); - } - - int __kprobes __die(const char *str, struct pt_regs *regs, long err) -@@ -286,7 +291,7 @@ int __kprobes __die(const char *str, str - - show_registers(regs); - #ifdef CONFIG_X86_32 -- if (user_mode_vm(regs)) { -+ if (user_mode(regs)) { - sp = regs->sp; - ss = regs->ss & 0xffff; - } else { -@@ -314,7 +319,7 @@ void die(const char *str, struct pt_regs - unsigned long flags = oops_begin(); - int sig = SIGSEGV; - -- if (!user_mode_vm(regs)) -+ if (!user_mode(regs)) - report_bug(regs->ip, regs); - - if (__die(str, regs, err)) -diff -urNp linux-2.6.39.3/arch/x86/kernel/early_printk.c linux-2.6.39.3/arch/x86/kernel/early_printk.c ---- linux-2.6.39.3/arch/x86/kernel/early_printk.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kernel/early_printk.c 2011-05-22 19:36:30.000000000 -0400 -@@ -7,6 +7,7 @@ - #include <linux/pci_regs.h> - #include <linux/pci_ids.h> - #include <linux/errno.h> -+#include <linux/sched.h> - #include <asm/io.h> - #include <asm/processor.h> - #include <asm/fcntl.h> -@@ -179,6 +180,8 @@ asmlinkage void early_printk(const char - int n; - va_list ap; - -+ pax_track_stack(); -+ - va_start(ap, fmt); - n = vscnprintf(buf, sizeof(buf), fmt, ap); - early_console->write(early_console, buf, n); -diff -urNp linux-2.6.39.3/arch/x86/kernel/entry_32.S linux-2.6.39.3/arch/x86/kernel/entry_32.S ---- linux-2.6.39.3/arch/x86/kernel/entry_32.S 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kernel/entry_32.S 2011-05-23 17:07:00.000000000 -0400 -@@ -185,13 +185,146 @@ - /*CFI_REL_OFFSET gs, PT_GS*/ - .endm - .macro SET_KERNEL_GS reg -+ -+#ifdef CONFIG_CC_STACKPROTECTOR - movl $(__KERNEL_STACK_CANARY), \reg -+#elif defined(CONFIG_PAX_MEMORY_UDEREF) -+ movl $(__USER_DS), \reg -+#else -+ xorl \reg, \reg -+#endif -+ - movl \reg, %gs - .endm - - #endif /* CONFIG_X86_32_LAZY_GS */ - --.macro SAVE_ALL -+.macro pax_enter_kernel -+#ifdef CONFIG_PAX_KERNEXEC -+ call pax_enter_kernel -+#endif -+.endm -+ -+.macro pax_exit_kernel -+#ifdef CONFIG_PAX_KERNEXEC -+ call pax_exit_kernel -+#endif -+.endm -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ENTRY(pax_enter_kernel) -+#ifdef CONFIG_PARAVIRT -+ pushl %eax -+ pushl %ecx -+ call PARA_INDIRECT(pv_cpu_ops+PV_CPU_read_cr0) -+ mov %eax, %esi -+#else -+ mov %cr0, %esi -+#endif -+ bts $16, %esi -+ jnc 1f -+ mov %cs, %esi -+ cmp $__KERNEL_CS, %esi -+ jz 3f -+ ljmp $__KERNEL_CS, $3f -+1: ljmp $__KERNEXEC_KERNEL_CS, $2f -+2: -+#ifdef CONFIG_PARAVIRT -+ mov %esi, %eax -+ call PARA_INDIRECT(pv_cpu_ops+PV_CPU_write_cr0) -+#else -+ mov %esi, %cr0 -+#endif -+3: -+#ifdef CONFIG_PARAVIRT -+ popl %ecx -+ popl %eax -+#endif -+ ret -+ENDPROC(pax_enter_kernel) -+ -+ENTRY(pax_exit_kernel) -+#ifdef CONFIG_PARAVIRT -+ pushl %eax -+ pushl %ecx -+#endif -+ mov %cs, %esi -+ cmp $__KERNEXEC_KERNEL_CS, %esi -+ jnz 2f -+#ifdef CONFIG_PARAVIRT -+ call PARA_INDIRECT(pv_cpu_ops+PV_CPU_read_cr0); -+ mov %eax, %esi -+#else -+ mov %cr0, %esi -+#endif -+ btr $16, %esi -+ ljmp $__KERNEL_CS, $1f -+1: -+#ifdef CONFIG_PARAVIRT -+ mov %esi, %eax -+ call PARA_INDIRECT(pv_cpu_ops+PV_CPU_write_cr0); -+#else -+ mov %esi, %cr0 -+#endif -+2: -+#ifdef CONFIG_PARAVIRT -+ popl %ecx -+ popl %eax -+#endif -+ ret -+ENDPROC(pax_exit_kernel) -+#endif -+ -+.macro pax_erase_kstack -+#ifdef CONFIG_PAX_MEMORY_STACKLEAK -+ call pax_erase_kstack -+#endif -+.endm -+ -+#ifdef CONFIG_PAX_MEMORY_STACKLEAK -+/* -+ * ebp: thread_info -+ * ecx, edx: can be clobbered -+ */ -+ENTRY(pax_erase_kstack) -+ pushl %edi -+ pushl %eax -+ -+ mov TI_lowest_stack(%ebp), %edi -+ mov $-0xBEEF, %eax -+ std -+ -+1: mov %edi, %ecx -+ and $THREAD_SIZE_asm - 1, %ecx -+ shr $2, %ecx -+ repne scasl -+ jecxz 2f -+ -+ cmp $2*16, %ecx -+ jc 2f -+ -+ mov $2*16, %ecx -+ repe scasl -+ jecxz 2f -+ jne 1b -+ -+2: cld -+ mov %esp, %ecx -+ sub %edi, %ecx -+ shr $2, %ecx -+ rep stosl -+ -+ mov TI_task_thread_sp0(%ebp), %edi -+ sub $128, %edi -+ mov %edi, TI_lowest_stack(%ebp) -+ -+ popl %eax -+ popl %edi -+ ret -+ENDPROC(pax_erase_kstack) -+#endif -+ -+.macro __SAVE_ALL _DS - cld - PUSH_GS - pushl_cfi %fs -@@ -214,7 +347,7 @@ - CFI_REL_OFFSET ecx, 0 - pushl_cfi %ebx - CFI_REL_OFFSET ebx, 0 -- movl $(__USER_DS), %edx -+ movl $\_DS, %edx - movl %edx, %ds - movl %edx, %es - movl $(__KERNEL_PERCPU), %edx -@@ -222,6 +355,15 @@ - SET_KERNEL_GS %edx - .endm - -+.macro SAVE_ALL -+#if defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF) -+ __SAVE_ALL __KERNEL_DS -+ pax_enter_kernel -+#else -+ __SAVE_ALL __USER_DS -+#endif -+.endm -+ - .macro RESTORE_INT_REGS - popl_cfi %ebx - CFI_RESTORE ebx -@@ -332,7 +474,15 @@ check_userspace: - movb PT_CS(%esp), %al - andl $(X86_EFLAGS_VM | SEGMENT_RPL_MASK), %eax - cmpl $USER_RPL, %eax -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ jae resume_userspace -+ -+ PAX_EXIT_KERNEL -+ jmp resume_kernel -+#else - jb resume_kernel # not returning to v8086 or userspace -+#endif - - ENTRY(resume_userspace) - LOCKDEP_SYS_EXIT -@@ -344,7 +494,7 @@ ENTRY(resume_userspace) - andl $_TIF_WORK_MASK, %ecx # is there any work to be done on - # int/exception return? - jne work_pending -- jmp restore_all -+ jmp restore_all_pax - END(ret_from_exception) - - #ifdef CONFIG_PREEMPT -@@ -394,23 +544,34 @@ sysenter_past_esp: - /*CFI_REL_OFFSET cs, 0*/ - /* - * Push current_thread_info()->sysenter_return to the stack. -- * A tiny bit of offset fixup is necessary - 4*4 means the 4 words -- * pushed above; +8 corresponds to copy_thread's esp0 setting. - */ -- pushl_cfi ((TI_sysenter_return)-THREAD_SIZE+8+4*4)(%esp) -+ pushl_cfi $0 - CFI_REL_OFFSET eip, 0 - - pushl_cfi %eax - SAVE_ALL -+ GET_THREAD_INFO(%ebp) -+ movl TI_sysenter_return(%ebp),%ebp -+ movl %ebp,PT_EIP(%esp) - ENABLE_INTERRUPTS(CLBR_NONE) - - /* - * Load the potential sixth argument from user stack. - * Careful about security. - */ -+ movl PT_OLDESP(%esp),%ebp -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ mov PT_OLDSS(%esp),%ds -+1: movl %ds:(%ebp),%ebp -+ push %ss -+ pop %ds -+#else - cmpl $__PAGE_OFFSET-3,%ebp - jae syscall_fault - 1: movl (%ebp),%ebp -+#endif -+ - movl %ebp,PT_EBP(%esp) - .section __ex_table,"a" - .align 4 -@@ -433,12 +594,23 @@ sysenter_do_call: - testl $_TIF_ALLWORK_MASK, %ecx - jne sysexit_audit - sysenter_exit: -+ -+#ifdef CONFIG_PAX_RANDKSTACK -+ pushl_cfi %eax -+ call pax_randomize_kstack -+ popl_cfi %eax -+#endif -+ -+ pax_erase_kstack -+ - /* if something modifies registers it must also disable sysexit */ - movl PT_EIP(%esp), %edx - movl PT_OLDESP(%esp), %ecx - xorl %ebp,%ebp - TRACE_IRQS_ON - 1: mov PT_FS(%esp), %fs -+2: mov PT_DS(%esp), %ds -+3: mov PT_ES(%esp), %es - PTGS_TO_GS - ENABLE_INTERRUPTS_SYSEXIT - -@@ -455,6 +627,9 @@ sysenter_audit: - movl %eax,%edx /* 2nd arg: syscall number */ - movl $AUDIT_ARCH_I386,%eax /* 1st arg: audit arch */ - call audit_syscall_entry -+ -+ pax_erase_kstack -+ - pushl_cfi %ebx - movl PT_EAX(%esp),%eax /* reload syscall number */ - jmp sysenter_do_call -@@ -481,11 +656,17 @@ sysexit_audit: - - CFI_ENDPROC - .pushsection .fixup,"ax" --2: movl $0,PT_FS(%esp) -+4: movl $0,PT_FS(%esp) -+ jmp 1b -+5: movl $0,PT_DS(%esp) -+ jmp 1b -+6: movl $0,PT_ES(%esp) - jmp 1b - .section __ex_table,"a" - .align 4 -- .long 1b,2b -+ .long 1b,4b -+ .long 2b,5b -+ .long 3b,6b - .popsection - PTGS_TO_GS_EX - ENDPROC(ia32_sysenter_target) -@@ -518,6 +699,14 @@ syscall_exit: - testl $_TIF_ALLWORK_MASK, %ecx # current->work - jne syscall_exit_work - -+restore_all_pax: -+ -+#ifdef CONFIG_PAX_RANDKSTACK -+ call pax_randomize_kstack -+#endif -+ -+ pax_erase_kstack -+ - restore_all: - TRACE_IRQS_IRET - restore_all_notrace: -@@ -577,14 +766,21 @@ ldt_ss: - * compensating for the offset by changing to the ESPFIX segment with - * a base address that matches for the difference. - */ --#define GDT_ESPFIX_SS PER_CPU_VAR(gdt_page) + (GDT_ENTRY_ESPFIX_SS * 8) -+#define GDT_ESPFIX_SS (GDT_ENTRY_ESPFIX_SS * 8)(%ebx) - mov %esp, %edx /* load kernel esp */ - mov PT_OLDESP(%esp), %eax /* load userspace esp */ - mov %dx, %ax /* eax: new kernel esp */ - sub %eax, %edx /* offset (low word is 0) */ -+#ifdef CONFIG_SMP -+ movl PER_CPU_VAR(cpu_number), %ebx -+ shll $PAGE_SHIFT_asm, %ebx -+ addl $cpu_gdt_table, %ebx -+#else -+ movl $cpu_gdt_table, %ebx -+#endif - shr $16, %edx -- mov %dl, GDT_ESPFIX_SS + 4 /* bits 16..23 */ -- mov %dh, GDT_ESPFIX_SS + 7 /* bits 24..31 */ -+ mov %dl, 4 + GDT_ESPFIX_SS /* bits 16..23 */ -+ mov %dh, 7 + GDT_ESPFIX_SS /* bits 24..31 */ - pushl_cfi $__ESPFIX_SS - pushl_cfi %eax /* new kernel esp */ - /* Disable interrupts, but do not irqtrace this section: we -@@ -613,29 +809,23 @@ work_resched: - movl TI_flags(%ebp), %ecx - andl $_TIF_WORK_MASK, %ecx # is there any work to be done other - # than syscall tracing? -- jz restore_all -+ jz restore_all_pax - testb $_TIF_NEED_RESCHED, %cl - jnz work_resched - - work_notifysig: # deal with pending signals and - # notify-resume requests -+ movl %esp, %eax - #ifdef CONFIG_VM86 - testl $X86_EFLAGS_VM, PT_EFLAGS(%esp) -- movl %esp, %eax -- jne work_notifysig_v86 # returning to kernel-space or -+ jz 1f # returning to kernel-space or - # vm86-space -- xorl %edx, %edx -- call do_notify_resume -- jmp resume_userspace_sig - -- ALIGN --work_notifysig_v86: - pushl_cfi %ecx # save ti_flags for do_notify_resume - call save_v86_state # %eax contains pt_regs pointer - popl_cfi %ecx - movl %eax, %esp --#else -- movl %esp, %eax -+1: - #endif - xorl %edx, %edx - call do_notify_resume -@@ -648,6 +838,9 @@ syscall_trace_entry: - movl $-ENOSYS,PT_EAX(%esp) - movl %esp, %eax - call syscall_trace_enter -+ -+ pax_erase_kstack -+ - /* What it returned is what we'll actually use. */ - cmpl $(nr_syscalls), %eax - jnae syscall_call -@@ -670,6 +863,10 @@ END(syscall_exit_work) - - RING0_INT_FRAME # can't unwind into user space anyway - syscall_fault: -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ push %ss -+ pop %ds -+#endif - GET_THREAD_INFO(%ebp) - movl $-EFAULT,PT_EAX(%esp) - jmp resume_userspace -@@ -752,6 +949,36 @@ ptregs_clone: - CFI_ENDPROC - ENDPROC(ptregs_clone) - -+ ALIGN; -+ENTRY(kernel_execve) -+ CFI_STARTPROC -+ pushl_cfi %ebp -+ sub $PT_OLDSS+4,%esp -+ pushl_cfi %edi -+ pushl_cfi %ecx -+ pushl_cfi %eax -+ lea 3*4(%esp),%edi -+ mov $PT_OLDSS/4+1,%ecx -+ xorl %eax,%eax -+ rep stosl -+ popl_cfi %eax -+ popl_cfi %ecx -+ popl_cfi %edi -+ movl $X86_EFLAGS_IF,PT_EFLAGS(%esp) -+ pushl_cfi %esp -+ call sys_execve -+ add $4,%esp -+ CFI_ADJUST_CFA_OFFSET -4 -+ GET_THREAD_INFO(%ebp) -+ test %eax,%eax -+ jz syscall_exit -+ add $PT_OLDSS+4,%esp -+ CFI_ADJUST_CFA_OFFSET -PT_OLDSS-4 -+ popl_cfi %ebp -+ ret -+ CFI_ENDPROC -+ENDPROC(kernel_execve) -+ - .macro FIXUP_ESPFIX_STACK - /* - * Switch back for ESPFIX stack to the normal zerobased stack -@@ -761,8 +988,15 @@ ENDPROC(ptregs_clone) - * normal stack and adjusts ESP with the matching offset. - */ - /* fixup the stack */ -- mov GDT_ESPFIX_SS + 4, %al /* bits 16..23 */ -- mov GDT_ESPFIX_SS + 7, %ah /* bits 24..31 */ -+#ifdef CONFIG_SMP -+ movl PER_CPU_VAR(cpu_number), %ebx -+ shll $PAGE_SHIFT_asm, %ebx -+ addl $cpu_gdt_table, %ebx -+#else -+ movl $cpu_gdt_table, %ebx -+#endif -+ mov 4 + GDT_ESPFIX_SS, %al /* bits 16..23 */ -+ mov 7 + GDT_ESPFIX_SS, %ah /* bits 24..31 */ - shl $16, %eax - addl %esp, %eax /* the adjusted stack pointer */ - pushl_cfi $__KERNEL_DS -@@ -1213,7 +1447,6 @@ return_to_handler: - jmp *%ecx - #endif - --.section .rodata,"a" - #include "syscall_table_32.S" - - syscall_table_size=(.-sys_call_table) -@@ -1259,9 +1492,12 @@ error_code: - movl $-1, PT_ORIG_EAX(%esp) # no syscall to restart - REG_TO_PTGS %ecx - SET_KERNEL_GS %ecx -- movl $(__USER_DS), %ecx -+ movl $(__KERNEL_DS), %ecx - movl %ecx, %ds - movl %ecx, %es -+ -+ pax_enter_kernel -+ - TRACE_IRQS_OFF - movl %esp,%eax # pt_regs pointer - call *%edi -@@ -1346,6 +1582,9 @@ nmi_stack_correct: - xorl %edx,%edx # zero error code - movl %esp,%eax # pt_regs pointer - call do_nmi -+ -+ pax_exit_kernel -+ - jmp restore_all_notrace - CFI_ENDPROC - -@@ -1382,6 +1621,9 @@ nmi_espfix_stack: - FIXUP_ESPFIX_STACK # %eax == %esp - xorl %edx,%edx # zero error code - call do_nmi -+ -+ pax_exit_kernel -+ - RESTORE_REGS - lss 12+4(%esp), %esp # back to espfix stack - CFI_ADJUST_CFA_OFFSET -24 -diff -urNp linux-2.6.39.3/arch/x86/kernel/entry_64.S linux-2.6.39.3/arch/x86/kernel/entry_64.S ---- linux-2.6.39.3/arch/x86/kernel/entry_64.S 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kernel/entry_64.S 2011-05-23 17:10:49.000000000 -0400 -@@ -53,6 +53,7 @@ - #include <asm/paravirt.h> - #include <asm/ftrace.h> - #include <asm/percpu.h> -+#include <asm/pgtable.h> - - /* Avoid __ASSEMBLER__'ifying <linux/audit.h> just for this. */ - #include <linux/elf-em.h> -@@ -176,6 +177,259 @@ ENTRY(native_usergs_sysret64) - ENDPROC(native_usergs_sysret64) - #endif /* CONFIG_PARAVIRT */ - -+ .macro ljmpq sel, off -+#if defined(CONFIG_MPSC) || defined(CONFIG_MCORE2) || defined (CONFIG_MATOM) -+ .byte 0x48; ljmp *1234f(%rip) -+ .pushsection .rodata -+ .align 16 -+ 1234: .quad \off; .word \sel -+ .popsection -+#else -+ pushq $\sel -+ pushq $\off -+ lretq -+#endif -+ .endm -+ -+ .macro pax_enter_kernel -+#ifdef CONFIG_PAX_KERNEXEC -+ call pax_enter_kernel -+#endif -+ .endm -+ -+ .macro pax_exit_kernel -+#ifdef CONFIG_PAX_KERNEXEC -+ call pax_exit_kernel -+#endif -+ .endm -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ENTRY(pax_enter_kernel) -+ pushq %rdi -+ -+#ifdef CONFIG_PARAVIRT -+ PV_SAVE_REGS(CLBR_RDI) -+#endif -+ -+ GET_CR0_INTO_RDI -+ bts $16,%rdi -+ jnc 1f -+ mov %cs,%edi -+ cmp $__KERNEL_CS,%edi -+ jz 3f -+ ljmpq __KERNEL_CS,3f -+1: ljmpq __KERNEXEC_KERNEL_CS,2f -+2: SET_RDI_INTO_CR0 -+3: -+ -+#ifdef CONFIG_PARAVIRT -+ PV_RESTORE_REGS(CLBR_RDI) -+#endif -+ -+ popq %rdi -+ retq -+ENDPROC(pax_enter_kernel) -+ -+ENTRY(pax_exit_kernel) -+ pushq %rdi -+ -+#ifdef CONFIG_PARAVIRT -+ PV_SAVE_REGS(CLBR_RDI) -+#endif -+ -+ mov %cs,%rdi -+ cmp $__KERNEXEC_KERNEL_CS,%edi -+ jnz 2f -+ GET_CR0_INTO_RDI -+ btr $16,%rdi -+ ljmpq __KERNEL_CS,1f -+1: SET_RDI_INTO_CR0 -+2: -+ -+#ifdef CONFIG_PARAVIRT -+ PV_RESTORE_REGS(CLBR_RDI); -+#endif -+ -+ popq %rdi -+ retq -+ENDPROC(pax_exit_kernel) -+#endif -+ -+ .macro pax_enter_kernel_user -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ call pax_enter_kernel_user -+#endif -+ .endm -+ -+ .macro pax_exit_kernel_user -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ call pax_exit_kernel_user -+#endif -+#ifdef CONFIG_PAX_RANDKSTACK -+ push %rax -+ call pax_randomize_kstack -+ pop %rax -+#endif -+#ifdef CONFIG_PAX_MEMORY_STACKLEAK -+ call pax_erase_kstack -+#endif -+ .endm -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ENTRY(pax_enter_kernel_user) -+ pushq %rdi -+ pushq %rbx -+ -+#ifdef CONFIG_PARAVIRT -+ PV_SAVE_REGS(CLBR_RDI) -+#endif -+ -+ GET_CR3_INTO_RDI -+ mov %rdi,%rbx -+ add $__START_KERNEL_map,%rbx -+ sub phys_base(%rip),%rbx -+ -+#ifdef CONFIG_PARAVIRT -+ pushq %rdi -+ cmpl $0, pv_info+PARAVIRT_enabled -+ jz 1f -+ i = 0 -+ .rept USER_PGD_PTRS -+ mov i*8(%rbx),%rsi -+ mov $0,%sil -+ lea i*8(%rbx),%rdi -+ call PARA_INDIRECT(pv_mmu_ops+PV_MMU_set_pgd) -+ i = i + 1 -+ .endr -+ jmp 2f -+1: -+#endif -+ -+ i = 0 -+ .rept USER_PGD_PTRS -+ movb $0,i*8(%rbx) -+ i = i + 1 -+ .endr -+ -+#ifdef CONFIG_PARAVIRT -+2: popq %rdi -+#endif -+ SET_RDI_INTO_CR3 -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ GET_CR0_INTO_RDI -+ bts $16,%rdi -+ SET_RDI_INTO_CR0 -+#endif -+ -+#ifdef CONFIG_PARAVIRT -+ PV_RESTORE_REGS(CLBR_RDI) -+#endif -+ -+ popq %rbx -+ popq %rdi -+ retq -+ENDPROC(pax_enter_kernel_user) -+ -+ENTRY(pax_exit_kernel_user) -+ push %rdi -+ -+#ifdef CONFIG_PARAVIRT -+ pushq %rbx -+ PV_SAVE_REGS(CLBR_RDI) -+#endif -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ GET_CR0_INTO_RDI -+ btr $16,%rdi -+ SET_RDI_INTO_CR0 -+#endif -+ -+ GET_CR3_INTO_RDI -+ add $__START_KERNEL_map,%rdi -+ sub phys_base(%rip),%rdi -+ -+#ifdef CONFIG_PARAVIRT -+ cmpl $0, pv_info+PARAVIRT_enabled -+ jz 1f -+ mov %rdi,%rbx -+ i = 0 -+ .rept USER_PGD_PTRS -+ mov i*8(%rbx),%rsi -+ mov $0x67,%sil -+ lea i*8(%rbx),%rdi -+ call PARA_INDIRECT(pv_mmu_ops+PV_MMU_set_pgd) -+ i = i + 1 -+ .endr -+ jmp 2f -+1: -+#endif -+ -+ i = 0 -+ .rept USER_PGD_PTRS -+ movb $0x67,i*8(%rdi) -+ i = i + 1 -+ .endr -+ -+#ifdef CONFIG_PARAVIRT -+2: PV_RESTORE_REGS(CLBR_RDI) -+ popq %rbx -+#endif -+ -+ popq %rdi -+ retq -+ENDPROC(pax_exit_kernel_user) -+#endif -+ -+ .macro pax_erase_kstack -+#ifdef CONFIG_PAX_MEMORY_STACKLEAK -+ call pax_erase_kstack -+#endif -+ .endm -+ -+#ifdef CONFIG_PAX_MEMORY_STACKLEAK -+/* -+ * r10: thread_info -+ * rcx, rdx: can be clobbered -+ */ -+ENTRY(pax_erase_kstack) -+ pushq %rdi -+ pushq %rax -+ -+ GET_THREAD_INFO(%r10) -+ mov TI_lowest_stack(%r10), %rdi -+ mov $-0xBEEF, %rax -+ std -+ -+1: mov %edi, %ecx -+ and $THREAD_SIZE_asm - 1, %ecx -+ shr $3, %ecx -+ repne scasq -+ jecxz 2f -+ -+ cmp $2*8, %ecx -+ jc 2f -+ -+ mov $2*8, %ecx -+ repe scasq -+ jecxz 2f -+ jne 1b -+ -+2: cld -+ mov %esp, %ecx -+ sub %edi, %ecx -+ shr $3, %ecx -+ rep stosq -+ -+ mov TI_task_thread_sp0(%r10), %rdi -+ sub $256, %rdi -+ mov %rdi, TI_lowest_stack(%r10) -+ -+ popq %rax -+ popq %rdi -+ ret -+ENDPROC(pax_erase_kstack) -+#endif - - .macro TRACE_IRQS_IRETQ offset=ARGOFFSET - #ifdef CONFIG_TRACE_IRQFLAGS -@@ -318,7 +572,7 @@ ENTRY(save_args) - leaq -RBP+8(%rsp),%rdi /* arg1 for handler */ - movq_cfi rbp, 8 /* push %rbp */ - leaq 8(%rsp), %rbp /* mov %rsp, %ebp */ -- testl $3, CS(%rdi) -+ testb $3, CS(%rdi) - je 1f - SWAPGS - /* -@@ -409,7 +663,7 @@ ENTRY(ret_from_fork) - - RESTORE_REST - -- testl $3, CS-ARGOFFSET(%rsp) # from kernel_thread? -+ testb $3, CS-ARGOFFSET(%rsp) # from kernel_thread? - je int_ret_from_sys_call - - testl $_TIF_IA32, TI_flags(%rcx) # 32-bit compat task needs IRET -@@ -455,7 +709,7 @@ END(ret_from_fork) - ENTRY(system_call) - CFI_STARTPROC simple - CFI_SIGNAL_FRAME -- CFI_DEF_CFA rsp,KERNEL_STACK_OFFSET -+ CFI_DEF_CFA rsp,0 - CFI_REGISTER rip,rcx - /*CFI_REGISTER rflags,r11*/ - SWAPGS_UNSAFE_STACK -@@ -468,12 +722,13 @@ ENTRY(system_call_after_swapgs) - - movq %rsp,PER_CPU_VAR(old_rsp) - movq PER_CPU_VAR(kernel_stack),%rsp -+ pax_enter_kernel_user - /* - * No need to follow this irqs off/on section - it's straight - * and short: - */ - ENABLE_INTERRUPTS(CLBR_NONE) -- SAVE_ARGS 8,1 -+ SAVE_ARGS 8*6,1 - movq %rax,ORIG_RAX-ARGOFFSET(%rsp) - movq %rcx,RIP-ARGOFFSET(%rsp) - CFI_REL_OFFSET rip,RIP-ARGOFFSET -@@ -502,6 +757,7 @@ sysret_check: - andl %edi,%edx - jnz sysret_careful - CFI_REMEMBER_STATE -+ pax_exit_kernel_user - /* - * sysretq will re-enable interrupts: - */ -@@ -560,6 +816,9 @@ auditsys: - movq %rax,%rsi /* 2nd arg: syscall number */ - movl $AUDIT_ARCH_X86_64,%edi /* 1st arg: audit arch */ - call audit_syscall_entry -+ -+ pax_erase_kstack -+ - LOAD_ARGS 0 /* reload call-clobbered registers */ - jmp system_call_fastpath - -@@ -590,6 +849,9 @@ tracesys: - FIXUP_TOP_OF_STACK %rdi - movq %rsp,%rdi - call syscall_trace_enter -+ -+ pax_erase_kstack -+ - /* - * Reload arg registers from stack in case ptrace changed them. - * We don't reload %rax because syscall_trace_enter() returned -@@ -611,7 +873,7 @@ tracesys: - GLOBAL(int_ret_from_sys_call) - DISABLE_INTERRUPTS(CLBR_NONE) - TRACE_IRQS_OFF -- testl $3,CS-ARGOFFSET(%rsp) -+ testb $3,CS-ARGOFFSET(%rsp) - je retint_restore_args - movl $_TIF_ALLWORK_MASK,%edi - /* edi: mask to check */ -@@ -793,6 +1055,16 @@ END(interrupt) - CFI_ADJUST_CFA_OFFSET ORIG_RAX-RBP - call save_args - PARTIAL_FRAME 0 -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ testb $3, CS(%rdi) -+ jnz 1f -+ pax_enter_kernel -+ jmp 2f -+1: pax_enter_kernel_user -+2: -+#else -+ pax_enter_kernel -+#endif - call \func - .endm - -@@ -825,7 +1097,7 @@ ret_from_intr: - CFI_ADJUST_CFA_OFFSET -8 - exit_intr: - GET_THREAD_INFO(%rcx) -- testl $3,CS-ARGOFFSET(%rsp) -+ testb $3,CS-ARGOFFSET(%rsp) - je retint_kernel - - /* Interrupt came from user space */ -@@ -847,12 +1119,14 @@ retint_swapgs: /* return to user-space - * The iretq could re-enable interrupts: - */ - DISABLE_INTERRUPTS(CLBR_ANY) -+ pax_exit_kernel_user - TRACE_IRQS_IRETQ - SWAPGS - jmp restore_args - - retint_restore_args: /* return to kernel space */ - DISABLE_INTERRUPTS(CLBR_ANY) -+ pax_exit_kernel - /* - * The iretq could re-enable interrupts: - */ -@@ -1027,6 +1301,16 @@ ENTRY(\sym) - CFI_ADJUST_CFA_OFFSET ORIG_RAX-R15 - call error_entry - DEFAULT_FRAME 0 -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ testb $3, CS(%rsp) -+ jnz 1f -+ pax_enter_kernel -+ jmp 2f -+1: pax_enter_kernel_user -+2: -+#else -+ pax_enter_kernel -+#endif - movq %rsp,%rdi /* pt_regs pointer */ - xorl %esi,%esi /* no error code */ - call \do_sym -@@ -1044,6 +1328,16 @@ ENTRY(\sym) - CFI_ADJUST_CFA_OFFSET ORIG_RAX-R15 - call save_paranoid - TRACE_IRQS_OFF -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ testb $3, CS(%rsp) -+ jnz 1f -+ pax_enter_kernel -+ jmp 2f -+1: pax_enter_kernel_user -+2: -+#else -+ pax_enter_kernel -+#endif - movq %rsp,%rdi /* pt_regs pointer */ - xorl %esi,%esi /* no error code */ - call \do_sym -@@ -1052,7 +1346,7 @@ ENTRY(\sym) - END(\sym) - .endm - --#define INIT_TSS_IST(x) PER_CPU_VAR(init_tss) + (TSS_ist + ((x) - 1) * 8) -+#define INIT_TSS_IST(x) (TSS_ist + ((x) - 1) * 8)(%r12) - .macro paranoidzeroentry_ist sym do_sym ist - ENTRY(\sym) - INTR_FRAME -@@ -1062,8 +1356,24 @@ ENTRY(\sym) - CFI_ADJUST_CFA_OFFSET ORIG_RAX-R15 - call save_paranoid - TRACE_IRQS_OFF -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ testb $3, CS(%rsp) -+ jnz 1f -+ pax_enter_kernel -+ jmp 2f -+1: pax_enter_kernel_user -+2: -+#else -+ pax_enter_kernel -+#endif - movq %rsp,%rdi /* pt_regs pointer */ - xorl %esi,%esi /* no error code */ -+#ifdef CONFIG_SMP -+ imul $TSS_size, PER_CPU_VAR(cpu_number), %r12d -+ lea init_tss(%r12), %r12 -+#else -+ lea init_tss(%rip), %r12 -+#endif - subq $EXCEPTION_STKSZ, INIT_TSS_IST(\ist) - call \do_sym - addq $EXCEPTION_STKSZ, INIT_TSS_IST(\ist) -@@ -1080,6 +1390,16 @@ ENTRY(\sym) - CFI_ADJUST_CFA_OFFSET ORIG_RAX-R15 - call error_entry - DEFAULT_FRAME 0 -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ testb $3, CS(%rsp) -+ jnz 1f -+ pax_enter_kernel -+ jmp 2f -+1: pax_enter_kernel_user -+2: -+#else -+ pax_enter_kernel -+#endif - movq %rsp,%rdi /* pt_regs pointer */ - movq ORIG_RAX(%rsp),%rsi /* get error code */ - movq $-1,ORIG_RAX(%rsp) /* no syscall to restart */ -@@ -1099,6 +1419,16 @@ ENTRY(\sym) - call save_paranoid - DEFAULT_FRAME 0 - TRACE_IRQS_OFF -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ testb $3, CS(%rsp) -+ jnz 1f -+ pax_enter_kernel -+ jmp 2f -+1: pax_enter_kernel_user -+2: -+#else -+ pax_enter_kernel -+#endif - movq %rsp,%rdi /* pt_regs pointer */ - movq ORIG_RAX(%rsp),%rsi /* get error code */ - movq $-1,ORIG_RAX(%rsp) /* no syscall to restart */ -@@ -1361,14 +1691,27 @@ ENTRY(paranoid_exit) - TRACE_IRQS_OFF - testl %ebx,%ebx /* swapgs needed? */ - jnz paranoid_restore -- testl $3,CS(%rsp) -+ testb $3,CS(%rsp) - jnz paranoid_userspace -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ pax_exit_kernel -+ TRACE_IRQS_IRETQ 0 -+ SWAPGS_UNSAFE_STACK -+ RESTORE_ALL 8 -+ jmp irq_return -+#endif - paranoid_swapgs: -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ pax_exit_kernel_user -+#else -+ pax_exit_kernel -+#endif - TRACE_IRQS_IRETQ 0 - SWAPGS_UNSAFE_STACK - RESTORE_ALL 8 - jmp irq_return - paranoid_restore: -+ pax_exit_kernel - TRACE_IRQS_IRETQ 0 - RESTORE_ALL 8 - jmp irq_return -@@ -1426,7 +1769,7 @@ ENTRY(error_entry) - movq_cfi r14, R14+8 - movq_cfi r15, R15+8 - xorl %ebx,%ebx -- testl $3,CS+8(%rsp) -+ testb $3,CS+8(%rsp) - je error_kernelspace - error_swapgs: - SWAPGS -@@ -1490,6 +1833,16 @@ ENTRY(nmi) - CFI_ADJUST_CFA_OFFSET ORIG_RAX-R15 - call save_paranoid - DEFAULT_FRAME 0 -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ testb $3, CS(%rsp) -+ jnz 1f -+ pax_enter_kernel -+ jmp 2f -+1: pax_enter_kernel_user -+2: -+#else -+ pax_enter_kernel -+#endif - /* paranoidentry do_nmi, 0; without TRACE_IRQS_OFF */ - movq %rsp,%rdi - movq $-1,%rsi -@@ -1500,11 +1853,25 @@ ENTRY(nmi) - DISABLE_INTERRUPTS(CLBR_NONE) - testl %ebx,%ebx /* swapgs needed? */ - jnz nmi_restore -- testl $3,CS(%rsp) -+ testb $3,CS(%rsp) - jnz nmi_userspace -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ pax_exit_kernel -+ SWAPGS_UNSAFE_STACK -+ RESTORE_ALL 8 -+ jmp irq_return -+#endif - nmi_swapgs: -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ pax_exit_kernel_user -+#else -+ pax_exit_kernel -+#endif - SWAPGS_UNSAFE_STACK -+ RESTORE_ALL 8 -+ jmp irq_return - nmi_restore: -+ pax_exit_kernel - RESTORE_ALL 8 - jmp irq_return - nmi_userspace: -diff -urNp linux-2.6.39.3/arch/x86/kernel/ftrace.c linux-2.6.39.3/arch/x86/kernel/ftrace.c ---- linux-2.6.39.3/arch/x86/kernel/ftrace.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kernel/ftrace.c 2011-05-22 19:36:30.000000000 -0400 -@@ -126,7 +126,7 @@ static void *mod_code_ip; /* holds the - static void *mod_code_newcode; /* holds the text to write to the IP */ - - static unsigned nmi_wait_count; --static atomic_t nmi_update_count = ATOMIC_INIT(0); -+static atomic_unchecked_t nmi_update_count = ATOMIC_INIT(0); - - int ftrace_arch_read_dyn_info(char *buf, int size) - { -@@ -134,7 +134,7 @@ int ftrace_arch_read_dyn_info(char *buf, - - r = snprintf(buf, size, "%u %u", - nmi_wait_count, -- atomic_read(&nmi_update_count)); -+ atomic_read_unchecked(&nmi_update_count)); - return r; - } - -@@ -177,8 +177,10 @@ void ftrace_nmi_enter(void) - - if (atomic_inc_return(&nmi_running) & MOD_CODE_WRITE_FLAG) { - smp_rmb(); -+ pax_open_kernel(); - ftrace_mod_code(); -- atomic_inc(&nmi_update_count); -+ pax_close_kernel(); -+ atomic_inc_unchecked(&nmi_update_count); - } - /* Must have previous changes seen before executions */ - smp_mb(); -@@ -271,6 +273,8 @@ ftrace_modify_code(unsigned long ip, uns - { - unsigned char replaced[MCOUNT_INSN_SIZE]; - -+ ip = ktla_ktva(ip); -+ - /* - * Note: Due to modules and __init, code can - * disappear and change, we need to protect against faulting -@@ -327,7 +331,7 @@ int ftrace_update_ftrace_func(ftrace_fun - unsigned char old[MCOUNT_INSN_SIZE], *new; - int ret; - -- memcpy(old, &ftrace_call, MCOUNT_INSN_SIZE); -+ memcpy(old, (void *)ktla_ktva((unsigned long)ftrace_call), MCOUNT_INSN_SIZE); - new = ftrace_call_replace(ip, (unsigned long)func); - ret = ftrace_modify_code(ip, old, new); - -@@ -353,6 +357,8 @@ static int ftrace_mod_jmp(unsigned long - { - unsigned char code[MCOUNT_INSN_SIZE]; - -+ ip = ktla_ktva(ip); -+ - if (probe_kernel_read(code, (void *)ip, MCOUNT_INSN_SIZE)) - return -EFAULT; - -diff -urNp linux-2.6.39.3/arch/x86/kernel/head32.c linux-2.6.39.3/arch/x86/kernel/head32.c ---- linux-2.6.39.3/arch/x86/kernel/head32.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kernel/head32.c 2011-05-22 19:36:30.000000000 -0400 -@@ -19,6 +19,7 @@ - #include <asm/io_apic.h> - #include <asm/bios_ebda.h> - #include <asm/tlbflush.h> -+#include <asm/boot.h> - - static void __init i386_default_early_setup(void) - { -@@ -34,7 +35,7 @@ void __init i386_start_kernel(void) - { - memblock_init(); - -- memblock_x86_reserve_range(__pa_symbol(&_text), __pa_symbol(&__bss_stop), "TEXT DATA BSS"); -+ memblock_x86_reserve_range(LOAD_PHYSICAL_ADDR, __pa_symbol(&__bss_stop), "TEXT DATA BSS"); - - #ifdef CONFIG_BLK_DEV_INITRD - /* Reserve INITRD */ -diff -urNp linux-2.6.39.3/arch/x86/kernel/head_32.S linux-2.6.39.3/arch/x86/kernel/head_32.S ---- linux-2.6.39.3/arch/x86/kernel/head_32.S 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kernel/head_32.S 2011-07-06 20:00:13.000000000 -0400 -@@ -25,6 +25,12 @@ - /* Physical address */ - #define pa(X) ((X) - __PAGE_OFFSET) - -+#ifdef CONFIG_PAX_KERNEXEC -+#define ta(X) (X) -+#else -+#define ta(X) ((X) - __PAGE_OFFSET) -+#endif -+ - /* - * References to members of the new_cpu_data structure. - */ -@@ -54,11 +60,7 @@ - * and small than max_low_pfn, otherwise will waste some page table entries - */ - --#if PTRS_PER_PMD > 1 --#define PAGE_TABLE_SIZE(pages) (((pages) / PTRS_PER_PMD) + PTRS_PER_PGD) --#else --#define PAGE_TABLE_SIZE(pages) ((pages) / PTRS_PER_PGD) --#endif -+#define PAGE_TABLE_SIZE(pages) ((pages) / PTRS_PER_PTE) - - /* Number of possible pages in the lowmem region */ - LOWMEM_PAGES = (((1<<32) - __PAGE_OFFSET) >> PAGE_SHIFT) -@@ -77,6 +79,12 @@ INIT_MAP_SIZE = PAGE_TABLE_SIZE(KERNEL_P - RESERVE_BRK(pagetables, INIT_MAP_SIZE) - - /* -+ * Real beginning of normal "text" segment -+ */ -+ENTRY(stext) -+ENTRY(_stext) -+ -+/* - * 32-bit kernel entrypoint; only used by the boot CPU. On entry, - * %esi points to the real-mode code as a 32-bit pointer. - * CS and DS must be 4 GB flat segments, but we don't depend on -@@ -84,6 +92,13 @@ RESERVE_BRK(pagetables, INIT_MAP_SIZE) - * can. - */ - __HEAD -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ jmp startup_32 -+/* PaX: fill first page in .text with int3 to catch NULL derefs in kernel mode */ -+.fill PAGE_SIZE-5,1,0xcc -+#endif -+ - ENTRY(startup_32) - movl pa(stack_start),%ecx - -@@ -105,6 +120,57 @@ ENTRY(startup_32) - 2: - leal -__PAGE_OFFSET(%ecx),%esp - -+#ifdef CONFIG_SMP -+ movl $pa(cpu_gdt_table),%edi -+ movl $__per_cpu_load,%eax -+ movw %ax,__KERNEL_PERCPU + 2(%edi) -+ rorl $16,%eax -+ movb %al,__KERNEL_PERCPU + 4(%edi) -+ movb %ah,__KERNEL_PERCPU + 7(%edi) -+ movl $__per_cpu_end - 1,%eax -+ subl $__per_cpu_start,%eax -+ movw %ax,__KERNEL_PERCPU + 0(%edi) -+#endif -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ movl $NR_CPUS,%ecx -+ movl $pa(cpu_gdt_table),%edi -+1: -+ movl $((((__PAGE_OFFSET-1) & 0xf0000000) >> 12) | 0x00c09700),GDT_ENTRY_KERNEL_DS * 8 + 4(%edi) -+ movl $((((__PAGE_OFFSET-1) & 0xf0000000) >> 12) | 0x00c0fb00),GDT_ENTRY_DEFAULT_USER_CS * 8 + 4(%edi) -+ movl $((((__PAGE_OFFSET-1) & 0xf0000000) >> 12) | 0x00c0f300),GDT_ENTRY_DEFAULT_USER_DS * 8 + 4(%edi) -+ addl $PAGE_SIZE_asm,%edi -+ loop 1b -+#endif -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ movl $pa(boot_gdt),%edi -+ movl $__LOAD_PHYSICAL_ADDR,%eax -+ movw %ax,__BOOT_CS + 2(%edi) -+ rorl $16,%eax -+ movb %al,__BOOT_CS + 4(%edi) -+ movb %ah,__BOOT_CS + 7(%edi) -+ rorl $16,%eax -+ -+ ljmp $(__BOOT_CS),$1f -+1: -+ -+ movl $NR_CPUS,%ecx -+ movl $pa(cpu_gdt_table),%edi -+ addl $__PAGE_OFFSET,%eax -+1: -+ movw %ax,__KERNEL_CS + 2(%edi) -+ movw %ax,__KERNEXEC_KERNEL_CS + 2(%edi) -+ rorl $16,%eax -+ movb %al,__KERNEL_CS + 4(%edi) -+ movb %al,__KERNEXEC_KERNEL_CS + 4(%edi) -+ movb %ah,__KERNEL_CS + 7(%edi) -+ movb %ah,__KERNEXEC_KERNEL_CS + 7(%edi) -+ rorl $16,%eax -+ addl $PAGE_SIZE_asm,%edi -+ loop 1b -+#endif -+ - /* - * Clear BSS first so that there are no surprises... - */ -@@ -195,8 +261,11 @@ ENTRY(startup_32) - movl %eax, pa(max_pfn_mapped) - - /* Do early initialization of the fixmap area */ -- movl $pa(initial_pg_fixmap)+PDE_IDENT_ATTR,%eax -- movl %eax,pa(initial_pg_pmd+0x1000*KPMDS-8) -+#ifdef CONFIG_COMPAT_VDSO -+ movl $pa(initial_pg_fixmap)+PDE_IDENT_ATTR+_PAGE_USER,pa(initial_pg_pmd+0x1000*KPMDS-8) -+#else -+ movl $pa(initial_pg_fixmap)+PDE_IDENT_ATTR,pa(initial_pg_pmd+0x1000*KPMDS-8) -+#endif - #else /* Not PAE */ - - page_pde_offset = (__PAGE_OFFSET >> 20); -@@ -226,8 +295,11 @@ page_pde_offset = (__PAGE_OFFSET >> 20); - movl %eax, pa(max_pfn_mapped) - - /* Do early initialization of the fixmap area */ -- movl $pa(initial_pg_fixmap)+PDE_IDENT_ATTR,%eax -- movl %eax,pa(initial_page_table+0xffc) -+#ifdef CONFIG_COMPAT_VDSO -+ movl $pa(initial_pg_fixmap)+PDE_IDENT_ATTR+_PAGE_USER,pa(initial_page_table+0xffc) -+#else -+ movl $pa(initial_pg_fixmap)+PDE_IDENT_ATTR,pa(initial_page_table+0xffc) -+#endif - #endif - - #ifdef CONFIG_PARAVIRT -@@ -241,9 +313,7 @@ page_pde_offset = (__PAGE_OFFSET >> 20); - cmpl $num_subarch_entries, %eax - jae bad_subarch - -- movl pa(subarch_entries)(,%eax,4), %eax -- subl $__PAGE_OFFSET, %eax -- jmp *%eax -+ jmp *pa(subarch_entries)(,%eax,4) - - bad_subarch: - WEAK(lguest_entry) -@@ -255,10 +325,10 @@ WEAK(xen_entry) - __INITDATA - - subarch_entries: -- .long default_entry /* normal x86/PC */ -- .long lguest_entry /* lguest hypervisor */ -- .long xen_entry /* Xen hypervisor */ -- .long default_entry /* Moorestown MID */ -+ .long ta(default_entry) /* normal x86/PC */ -+ .long ta(lguest_entry) /* lguest hypervisor */ -+ .long ta(xen_entry) /* Xen hypervisor */ -+ .long ta(default_entry) /* Moorestown MID */ - num_subarch_entries = (. - subarch_entries) / 4 - .previous - #else -@@ -312,6 +382,7 @@ default_entry: - orl %edx,%eax - movl %eax,%cr4 - -+#ifdef CONFIG_X86_PAE - testb $X86_CR4_PAE, %al # check if PAE is enabled - jz 6f - -@@ -340,6 +411,9 @@ default_entry: - /* Make changes effective */ - wrmsr - -+ btsl $_PAGE_BIT_NX-32,pa(__supported_pte_mask+4) -+#endif -+ - 6: - - /* -@@ -443,7 +517,7 @@ is386: movl $2,%ecx # set MP - 1: movl $(__KERNEL_DS),%eax # reload all the segment registers - movl %eax,%ss # after changing gdt. - -- movl $(__USER_DS),%eax # DS/ES contains default USER segment -+# movl $(__KERNEL_DS),%eax # DS/ES contains default KERNEL segment - movl %eax,%ds - movl %eax,%es - -@@ -457,15 +531,22 @@ is386: movl $2,%ecx # set MP - */ - cmpb $0,ready - jne 1f -- movl $gdt_page,%eax -+ movl $cpu_gdt_table,%eax - movl $stack_canary,%ecx -+#ifdef CONFIG_SMP -+ addl $__per_cpu_load,%ecx -+#endif - movw %cx, 8 * GDT_ENTRY_STACK_CANARY + 2(%eax) - shrl $16, %ecx - movb %cl, 8 * GDT_ENTRY_STACK_CANARY + 4(%eax) - movb %ch, 8 * GDT_ENTRY_STACK_CANARY + 7(%eax) - 1: --#endif - movl $(__KERNEL_STACK_CANARY),%eax -+#elif defined(CONFIG_PAX_MEMORY_UDEREF) -+ movl $(__USER_DS),%eax -+#else -+ xorl %eax,%eax -+#endif - movl %eax,%gs - - xorl %eax,%eax # Clear LDT -@@ -558,22 +639,22 @@ early_page_fault: - jmp early_fault - - early_fault: -- cld - #ifdef CONFIG_PRINTK -+ cmpl $1,%ss:early_recursion_flag -+ je hlt_loop -+ incl %ss:early_recursion_flag -+ cld - pusha - movl $(__KERNEL_DS),%eax - movl %eax,%ds - movl %eax,%es -- cmpl $2,early_recursion_flag -- je hlt_loop -- incl early_recursion_flag - movl %cr2,%eax - pushl %eax - pushl %edx /* trapno */ - pushl $fault_msg - call printk -+; call dump_stack - #endif -- call dump_stack - hlt_loop: - hlt - jmp hlt_loop -@@ -581,8 +662,11 @@ hlt_loop: - /* This is the default interrupt "handler" :-) */ - ALIGN - ignore_int: -- cld - #ifdef CONFIG_PRINTK -+ cmpl $2,%ss:early_recursion_flag -+ je hlt_loop -+ incl %ss:early_recursion_flag -+ cld - pushl %eax - pushl %ecx - pushl %edx -@@ -591,9 +675,6 @@ ignore_int: - movl $(__KERNEL_DS),%eax - movl %eax,%ds - movl %eax,%es -- cmpl $2,early_recursion_flag -- je hlt_loop -- incl early_recursion_flag - pushl 16(%esp) - pushl 24(%esp) - pushl 32(%esp) -@@ -622,29 +703,43 @@ ENTRY(initial_code) - /* - * BSS section - */ --__PAGE_ALIGNED_BSS -- .align PAGE_SIZE - #ifdef CONFIG_X86_PAE -+.section .initial_pg_pmd,"a",@progbits - initial_pg_pmd: - .fill 1024*KPMDS,4,0 - #else -+.section .initial_page_table,"a",@progbits - ENTRY(initial_page_table) - .fill 1024,4,0 - #endif -+.section .initial_pg_fixmap,"a",@progbits - initial_pg_fixmap: - .fill 1024,4,0 -+.section .empty_zero_page,"a",@progbits - ENTRY(empty_zero_page) - .fill 4096,1,0 -+.section .swapper_pg_dir,"a",@progbits - ENTRY(swapper_pg_dir) -+#ifdef CONFIG_X86_PAE -+ .fill 4,8,0 -+#else - .fill 1024,4,0 -+#endif -+ -+/* -+ * The IDT has to be page-aligned to simplify the Pentium -+ * F0 0F bug workaround.. We have a special link segment -+ * for this. -+ */ -+.section .idt,"a",@progbits -+ENTRY(idt_table) -+ .fill 256,8,0 - - /* - * This starts the data section. - */ - #ifdef CONFIG_X86_PAE --__PAGE_ALIGNED_DATA -- /* Page-aligned for the benefit of paravirt? */ -- .align PAGE_SIZE -+.section .initial_page_table,"a",@progbits - ENTRY(initial_page_table) - .long pa(initial_pg_pmd+PGD_IDENT_ATTR),0 /* low identity map */ - # if KPMDS == 3 -@@ -663,18 +758,27 @@ ENTRY(initial_page_table) - # error "Kernel PMDs should be 1, 2 or 3" - # endif - .align PAGE_SIZE /* needs to be page-sized too */ -+ -+#ifdef CONFIG_PAX_PER_CPU_PGD -+ENTRY(cpu_pgd) -+ .rept NR_CPUS -+ .fill 4,8,0 -+ .endr -+#endif -+ - #endif - - .data - .balign 4 - ENTRY(stack_start) -- .long init_thread_union+THREAD_SIZE -+ .long init_thread_union+THREAD_SIZE-8 -+ -+ready: .byte 0 - -+.section .rodata,"a",@progbits - early_recursion_flag: - .long 0 - --ready: .byte 0 -- - int_msg: - .asciz "Unknown interrupt or fault at: %p %p %p\n" - -@@ -707,7 +811,7 @@ fault_msg: - .word 0 # 32 bit align gdt_desc.address - boot_gdt_descr: - .word __BOOT_DS+7 -- .long boot_gdt - __PAGE_OFFSET -+ .long pa(boot_gdt) - - .word 0 # 32-bit align idt_desc.address - idt_descr: -@@ -718,7 +822,7 @@ idt_descr: - .word 0 # 32 bit align gdt_desc.address - ENTRY(early_gdt_descr) - .word GDT_ENTRIES*8-1 -- .long gdt_page /* Overwritten for secondary CPUs */ -+ .long cpu_gdt_table /* Overwritten for secondary CPUs */ - - /* - * The boot_gdt must mirror the equivalent in setup.S and is -@@ -727,5 +831,65 @@ ENTRY(early_gdt_descr) - .align L1_CACHE_BYTES - ENTRY(boot_gdt) - .fill GDT_ENTRY_BOOT_CS,8,0 -- .quad 0x00cf9a000000ffff /* kernel 4GB code at 0x00000000 */ -- .quad 0x00cf92000000ffff /* kernel 4GB data at 0x00000000 */ -+ .quad 0x00cf9b000000ffff /* kernel 4GB code at 0x00000000 */ -+ .quad 0x00cf93000000ffff /* kernel 4GB data at 0x00000000 */ -+ -+ .align PAGE_SIZE_asm -+ENTRY(cpu_gdt_table) -+ .rept NR_CPUS -+ .quad 0x0000000000000000 /* NULL descriptor */ -+ .quad 0x0000000000000000 /* 0x0b reserved */ -+ .quad 0x0000000000000000 /* 0x13 reserved */ -+ .quad 0x0000000000000000 /* 0x1b reserved */ -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ .quad 0x00cf9b000000ffff /* 0x20 alternate kernel 4GB code at 0x00000000 */ -+#else -+ .quad 0x0000000000000000 /* 0x20 unused */ -+#endif -+ -+ .quad 0x0000000000000000 /* 0x28 unused */ -+ .quad 0x0000000000000000 /* 0x33 TLS entry 1 */ -+ .quad 0x0000000000000000 /* 0x3b TLS entry 2 */ -+ .quad 0x0000000000000000 /* 0x43 TLS entry 3 */ -+ .quad 0x0000000000000000 /* 0x4b reserved */ -+ .quad 0x0000000000000000 /* 0x53 reserved */ -+ .quad 0x0000000000000000 /* 0x5b reserved */ -+ -+ .quad 0x00cf9b000000ffff /* 0x60 kernel 4GB code at 0x00000000 */ -+ .quad 0x00cf93000000ffff /* 0x68 kernel 4GB data at 0x00000000 */ -+ .quad 0x00cffb000000ffff /* 0x73 user 4GB code at 0x00000000 */ -+ .quad 0x00cff3000000ffff /* 0x7b user 4GB data at 0x00000000 */ -+ -+ .quad 0x0000000000000000 /* 0x80 TSS descriptor */ -+ .quad 0x0000000000000000 /* 0x88 LDT descriptor */ -+ -+ /* -+ * Segments used for calling PnP BIOS have byte granularity. -+ * The code segments and data segments have fixed 64k limits, -+ * the transfer segment sizes are set at run time. -+ */ -+ .quad 0x00409b000000ffff /* 0x90 32-bit code */ -+ .quad 0x00009b000000ffff /* 0x98 16-bit code */ -+ .quad 0x000093000000ffff /* 0xa0 16-bit data */ -+ .quad 0x0000930000000000 /* 0xa8 16-bit data */ -+ .quad 0x0000930000000000 /* 0xb0 16-bit data */ -+ -+ /* -+ * The APM segments have byte granularity and their bases -+ * are set at run time. All have 64k limits. -+ */ -+ .quad 0x00409b000000ffff /* 0xb8 APM CS code */ -+ .quad 0x00009b000000ffff /* 0xc0 APM CS 16 code (16 bit) */ -+ .quad 0x004093000000ffff /* 0xc8 APM DS data */ -+ -+ .quad 0x00c0930000000000 /* 0xd0 - ESPFIX SS */ -+ .quad 0x0040930000000000 /* 0xd8 - PERCPU */ -+ .quad 0x0040910000000017 /* 0xe0 - STACK_CANARY */ -+ .quad 0x0000000000000000 /* 0xe8 - PCIBIOS_CS */ -+ .quad 0x0000000000000000 /* 0xf0 - PCIBIOS_DS */ -+ .quad 0x0000000000000000 /* 0xf8 - GDT entry 31: double-fault TSS */ -+ -+ /* Be sure this is zeroed to avoid false validations in Xen */ -+ .fill PAGE_SIZE_asm - GDT_SIZE,1,0 -+ .endr -diff -urNp linux-2.6.39.3/arch/x86/kernel/head_64.S linux-2.6.39.3/arch/x86/kernel/head_64.S ---- linux-2.6.39.3/arch/x86/kernel/head_64.S 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kernel/head_64.S 2011-05-22 19:36:30.000000000 -0400 -@@ -19,6 +19,7 @@ - #include <asm/cache.h> - #include <asm/processor-flags.h> - #include <asm/percpu.h> -+#include <asm/cpufeature.h> - - #ifdef CONFIG_PARAVIRT - #include <asm/asm-offsets.h> -@@ -38,6 +39,10 @@ L4_PAGE_OFFSET = pgd_index(__PAGE_OFFSET - L3_PAGE_OFFSET = pud_index(__PAGE_OFFSET) - L4_START_KERNEL = pgd_index(__START_KERNEL_map) - L3_START_KERNEL = pud_index(__START_KERNEL_map) -+L4_VMALLOC_START = pgd_index(VMALLOC_START) -+L3_VMALLOC_START = pud_index(VMALLOC_START) -+L4_VMEMMAP_START = pgd_index(VMEMMAP_START) -+L3_VMEMMAP_START = pud_index(VMEMMAP_START) - - .text - __HEAD -@@ -85,35 +90,22 @@ startup_64: - */ - addq %rbp, init_level4_pgt + 0(%rip) - addq %rbp, init_level4_pgt + (L4_PAGE_OFFSET*8)(%rip) -+ addq %rbp, init_level4_pgt + (L4_VMALLOC_START*8)(%rip) -+ addq %rbp, init_level4_pgt + (L4_VMEMMAP_START*8)(%rip) - addq %rbp, init_level4_pgt + (L4_START_KERNEL*8)(%rip) - - addq %rbp, level3_ident_pgt + 0(%rip) -+#ifndef CONFIG_XEN -+ addq %rbp, level3_ident_pgt + 8(%rip) -+#endif - -- addq %rbp, level3_kernel_pgt + (510*8)(%rip) -- addq %rbp, level3_kernel_pgt + (511*8)(%rip) -+ addq %rbp, level3_vmemmap_pgt + (L3_VMEMMAP_START*8)(%rip) - -- addq %rbp, level2_fixmap_pgt + (506*8)(%rip) -+ addq %rbp, level3_kernel_pgt + (L3_START_KERNEL*8)(%rip) -+ addq %rbp, level3_kernel_pgt + (L3_START_KERNEL*8+8)(%rip) - -- /* Add an Identity mapping if I am above 1G */ -- leaq _text(%rip), %rdi -- andq $PMD_PAGE_MASK, %rdi -- -- movq %rdi, %rax -- shrq $PUD_SHIFT, %rax -- andq $(PTRS_PER_PUD - 1), %rax -- jz ident_complete -- -- leaq (level2_spare_pgt - __START_KERNEL_map + _KERNPG_TABLE)(%rbp), %rdx -- leaq level3_ident_pgt(%rip), %rbx -- movq %rdx, 0(%rbx, %rax, 8) -- -- movq %rdi, %rax -- shrq $PMD_SHIFT, %rax -- andq $(PTRS_PER_PMD - 1), %rax -- leaq __PAGE_KERNEL_IDENT_LARGE_EXEC(%rdi), %rdx -- leaq level2_spare_pgt(%rip), %rbx -- movq %rdx, 0(%rbx, %rax, 8) --ident_complete: -+ addq %rbp, level2_fixmap_pgt + (506*8)(%rip) -+ addq %rbp, level2_fixmap_pgt + (507*8)(%rip) - - /* - * Fixup the kernel text+data virtual addresses. Note that -@@ -160,8 +152,8 @@ ENTRY(secondary_startup_64) - * after the boot processor executes this code. - */ - -- /* Enable PAE mode and PGE */ -- movl $(X86_CR4_PAE | X86_CR4_PGE), %eax -+ /* Enable PAE mode and PSE/PGE */ -+ movl $(X86_CR4_PSE | X86_CR4_PAE | X86_CR4_PGE), %eax - movq %rax, %cr4 - - /* Setup early boot stage 4 level pagetables. */ -@@ -183,9 +175,14 @@ ENTRY(secondary_startup_64) - movl $MSR_EFER, %ecx - rdmsr - btsl $_EFER_SCE, %eax /* Enable System Call */ -- btl $20,%edi /* No Execute supported? */ -+ btl $(X86_FEATURE_NX & 31),%edi /* No Execute supported? */ - jnc 1f - btsl $_EFER_NX, %eax -+ leaq init_level4_pgt(%rip), %rdi -+ btsq $_PAGE_BIT_NX, 8*L4_PAGE_OFFSET(%rdi) -+ btsq $_PAGE_BIT_NX, 8*L4_VMALLOC_START(%rdi) -+ btsq $_PAGE_BIT_NX, 8*L4_VMEMMAP_START(%rdi) -+ btsq $_PAGE_BIT_NX, __supported_pte_mask(%rip) - 1: wrmsr /* Make changes effective */ - - /* Setup cr0 */ -@@ -269,7 +266,7 @@ ENTRY(secondary_startup_64) - bad_address: - jmp bad_address - -- .section ".init.text","ax" -+ __INIT - #ifdef CONFIG_EARLY_PRINTK - .globl early_idt_handlers - early_idt_handlers: -@@ -314,18 +311,23 @@ ENTRY(early_idt_handler) - #endif /* EARLY_PRINTK */ - 1: hlt - jmp 1b -+ .previous - - #ifdef CONFIG_EARLY_PRINTK -+ __INITDATA - early_recursion_flag: - .long 0 -+ .previous - -+ .section .rodata,"a",@progbits - early_idt_msg: - .asciz "PANIC: early exception %02lx rip %lx:%lx error %lx cr2 %lx\n" - early_idt_ripmsg: - .asciz "RIP %s\n" --#endif /* CONFIG_EARLY_PRINTK */ - .previous -+#endif /* CONFIG_EARLY_PRINTK */ - -+ .section .rodata,"a",@progbits - #define NEXT_PAGE(name) \ - .balign PAGE_SIZE; \ - ENTRY(name) -@@ -338,7 +340,6 @@ ENTRY(name) - i = i + 1 ; \ - .endr - -- .data - /* - * This default setting generates an ident mapping at address 0x100000 - * and a mapping for the kernel that precisely maps virtual address -@@ -349,13 +350,36 @@ NEXT_PAGE(init_level4_pgt) - .quad level3_ident_pgt - __START_KERNEL_map + _KERNPG_TABLE - .org init_level4_pgt + L4_PAGE_OFFSET*8, 0 - .quad level3_ident_pgt - __START_KERNEL_map + _KERNPG_TABLE -+ .org init_level4_pgt + L4_VMALLOC_START*8, 0 -+ .quad level3_vmalloc_pgt - __START_KERNEL_map + _KERNPG_TABLE -+ .org init_level4_pgt + L4_VMEMMAP_START*8, 0 -+ .quad level3_vmemmap_pgt - __START_KERNEL_map + _KERNPG_TABLE - .org init_level4_pgt + L4_START_KERNEL*8, 0 - /* (2^48-(2*1024*1024*1024))/(2^39) = 511 */ - .quad level3_kernel_pgt - __START_KERNEL_map + _PAGE_TABLE - -+#ifdef CONFIG_PAX_PER_CPU_PGD -+NEXT_PAGE(cpu_pgd) -+ .rept NR_CPUS -+ .fill 512,8,0 -+ .endr -+#endif -+ - NEXT_PAGE(level3_ident_pgt) - .quad level2_ident_pgt - __START_KERNEL_map + _KERNPG_TABLE -+#ifdef CONFIG_XEN - .fill 511,8,0 -+#else -+ .quad level2_ident_pgt + PAGE_SIZE - __START_KERNEL_map + _KERNPG_TABLE -+ .fill 510,8,0 -+#endif -+ -+NEXT_PAGE(level3_vmalloc_pgt) -+ .fill 512,8,0 -+ -+NEXT_PAGE(level3_vmemmap_pgt) -+ .fill L3_VMEMMAP_START,8,0 -+ .quad level2_vmemmap_pgt - __START_KERNEL_map + _KERNPG_TABLE - - NEXT_PAGE(level3_kernel_pgt) - .fill L3_START_KERNEL,8,0 -@@ -363,20 +387,23 @@ NEXT_PAGE(level3_kernel_pgt) - .quad level2_kernel_pgt - __START_KERNEL_map + _KERNPG_TABLE - .quad level2_fixmap_pgt - __START_KERNEL_map + _PAGE_TABLE - -+NEXT_PAGE(level2_vmemmap_pgt) -+ .fill 512,8,0 -+ - NEXT_PAGE(level2_fixmap_pgt) -- .fill 506,8,0 -- .quad level1_fixmap_pgt - __START_KERNEL_map + _PAGE_TABLE -- /* 8MB reserved for vsyscalls + a 2MB hole = 4 + 1 entries */ -- .fill 5,8,0 -+ .fill 507,8,0 -+ .quad level1_vsyscall_pgt - __START_KERNEL_map + _PAGE_TABLE -+ /* 6MB reserved for vsyscalls + a 2MB hole = 3 + 1 entries */ -+ .fill 4,8,0 - --NEXT_PAGE(level1_fixmap_pgt) -+NEXT_PAGE(level1_vsyscall_pgt) - .fill 512,8,0 - --NEXT_PAGE(level2_ident_pgt) -- /* Since I easily can, map the first 1G. -+ /* Since I easily can, map the first 2G. - * Don't set NX because code runs from these pages. - */ -- PMDS(0, __PAGE_KERNEL_IDENT_LARGE_EXEC, PTRS_PER_PMD) -+NEXT_PAGE(level2_ident_pgt) -+ PMDS(0, __PAGE_KERNEL_IDENT_LARGE_EXEC, 2*PTRS_PER_PMD) - - NEXT_PAGE(level2_kernel_pgt) - /* -@@ -389,33 +416,55 @@ NEXT_PAGE(level2_kernel_pgt) - * If you want to increase this then increase MODULES_VADDR - * too.) - */ -- PMDS(0, __PAGE_KERNEL_LARGE_EXEC, -- KERNEL_IMAGE_SIZE/PMD_SIZE) -- --NEXT_PAGE(level2_spare_pgt) -- .fill 512, 8, 0 -+ PMDS(0, __PAGE_KERNEL_LARGE_EXEC, KERNEL_IMAGE_SIZE/PMD_SIZE) - - #undef PMDS - #undef NEXT_PAGE - -- .data -+ .align PAGE_SIZE -+ENTRY(cpu_gdt_table) -+ .rept NR_CPUS -+ .quad 0x0000000000000000 /* NULL descriptor */ -+ .quad 0x00cf9b000000ffff /* __KERNEL32_CS */ -+ .quad 0x00af9b000000ffff /* __KERNEL_CS */ -+ .quad 0x00cf93000000ffff /* __KERNEL_DS */ -+ .quad 0x00cffb000000ffff /* __USER32_CS */ -+ .quad 0x00cff3000000ffff /* __USER_DS, __USER32_DS */ -+ .quad 0x00affb000000ffff /* __USER_CS */ -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ .quad 0x00af9b000000ffff /* __KERNEXEC_KERNEL_CS */ -+#else -+ .quad 0x0 /* unused */ -+#endif -+ -+ .quad 0,0 /* TSS */ -+ .quad 0,0 /* LDT */ -+ .quad 0,0,0 /* three TLS descriptors */ -+ .quad 0x0000f40000000000 /* node/CPU stored in limit */ -+ /* asm/segment.h:GDT_ENTRIES must match this */ -+ -+ /* zero the remaining page */ -+ .fill PAGE_SIZE / 8 - GDT_ENTRIES,8,0 -+ .endr -+ - .align 16 - .globl early_gdt_descr - early_gdt_descr: - .word GDT_ENTRIES*8-1 - early_gdt_descr_base: -- .quad INIT_PER_CPU_VAR(gdt_page) -+ .quad cpu_gdt_table - - ENTRY(phys_base) - /* This must match the first entry in level2_kernel_pgt */ - .quad 0x0000000000000000 - - #include "../../x86/xen/xen-head.S" -- -- .section .bss, "aw", @nobits -+ -+ .section .rodata,"a",@progbits - .align L1_CACHE_BYTES - ENTRY(idt_table) -- .skip IDT_ENTRIES * 16 -+ .fill 512,8,0 - - __PAGE_ALIGNED_BSS - .align PAGE_SIZE -diff -urNp linux-2.6.39.3/arch/x86/kernel/i386_ksyms_32.c linux-2.6.39.3/arch/x86/kernel/i386_ksyms_32.c ---- linux-2.6.39.3/arch/x86/kernel/i386_ksyms_32.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kernel/i386_ksyms_32.c 2011-05-22 19:36:30.000000000 -0400 -@@ -20,8 +20,12 @@ extern void cmpxchg8b_emu(void); - EXPORT_SYMBOL(cmpxchg8b_emu); - #endif - -+EXPORT_SYMBOL_GPL(cpu_gdt_table); -+ - /* Networking helper routines. */ - EXPORT_SYMBOL(csum_partial_copy_generic); -+EXPORT_SYMBOL(csum_partial_copy_generic_to_user); -+EXPORT_SYMBOL(csum_partial_copy_generic_from_user); - - EXPORT_SYMBOL(__get_user_1); - EXPORT_SYMBOL(__get_user_2); -@@ -36,3 +40,7 @@ EXPORT_SYMBOL(strstr); - - EXPORT_SYMBOL(csum_partial); - EXPORT_SYMBOL(empty_zero_page); -+ -+#ifdef CONFIG_PAX_KERNEXEC -+EXPORT_SYMBOL(__LOAD_PHYSICAL_ADDR); -+#endif -diff -urNp linux-2.6.39.3/arch/x86/kernel/i8259.c linux-2.6.39.3/arch/x86/kernel/i8259.c ---- linux-2.6.39.3/arch/x86/kernel/i8259.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kernel/i8259.c 2011-05-22 19:36:30.000000000 -0400 -@@ -210,7 +210,7 @@ spurious_8259A_irq: - "spurious 8259A interrupt: IRQ%d.\n", irq); - spurious_irq_mask |= irqmask; - } -- atomic_inc(&irq_err_count); -+ atomic_inc_unchecked(&irq_err_count); - /* - * Theoretically we do not have to handle this IRQ, - * but in Linux this does not cause problems and is -diff -urNp linux-2.6.39.3/arch/x86/kernel/init_task.c linux-2.6.39.3/arch/x86/kernel/init_task.c ---- linux-2.6.39.3/arch/x86/kernel/init_task.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kernel/init_task.c 2011-05-22 19:36:30.000000000 -0400 -@@ -20,8 +20,7 @@ static struct sighand_struct init_sighan - * way process stacks are handled. This is done by having a special - * "init_task" linker map entry.. - */ --union thread_union init_thread_union __init_task_data = -- { INIT_THREAD_INFO(init_task) }; -+union thread_union init_thread_union __init_task_data; - - /* - * Initial task structure. -@@ -38,5 +37,5 @@ EXPORT_SYMBOL(init_task); - * section. Since TSS's are completely CPU-local, we want them - * on exact cacheline boundaries, to eliminate cacheline ping-pong. - */ --DEFINE_PER_CPU_SHARED_ALIGNED(struct tss_struct, init_tss) = INIT_TSS; -- -+struct tss_struct init_tss[NR_CPUS] ____cacheline_internodealigned_in_smp = { [0 ... NR_CPUS-1] = INIT_TSS }; -+EXPORT_SYMBOL(init_tss); -diff -urNp linux-2.6.39.3/arch/x86/kernel/ioport.c linux-2.6.39.3/arch/x86/kernel/ioport.c ---- linux-2.6.39.3/arch/x86/kernel/ioport.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kernel/ioport.c 2011-05-22 19:41:32.000000000 -0400 -@@ -6,6 +6,7 @@ - #include <linux/sched.h> - #include <linux/kernel.h> - #include <linux/capability.h> -+#include <linux/security.h> - #include <linux/errno.h> - #include <linux/types.h> - #include <linux/ioport.h> -@@ -28,6 +29,12 @@ asmlinkage long sys_ioperm(unsigned long - - if ((from + num <= from) || (from + num > IO_BITMAP_BITS)) - return -EINVAL; -+#ifdef CONFIG_GRKERNSEC_IO -+ if (turn_on && grsec_disable_privio) { -+ gr_handle_ioperm(); -+ return -EPERM; -+ } -+#endif - if (turn_on && !capable(CAP_SYS_RAWIO)) - return -EPERM; - -@@ -54,7 +61,7 @@ asmlinkage long sys_ioperm(unsigned long - * because the ->io_bitmap_max value must match the bitmap - * contents: - */ -- tss = &per_cpu(init_tss, get_cpu()); -+ tss = init_tss + get_cpu(); - - if (turn_on) - bitmap_clear(t->io_bitmap_ptr, from, num); -@@ -102,6 +109,12 @@ long sys_iopl(unsigned int level, struct - return -EINVAL; - /* Trying to gain more privileges? */ - if (level > old) { -+#ifdef CONFIG_GRKERNSEC_IO -+ if (grsec_disable_privio) { -+ gr_handle_iopl(); -+ return -EPERM; -+ } -+#endif - if (!capable(CAP_SYS_RAWIO)) - return -EPERM; - } -diff -urNp linux-2.6.39.3/arch/x86/kernel/irq_32.c linux-2.6.39.3/arch/x86/kernel/irq_32.c ---- linux-2.6.39.3/arch/x86/kernel/irq_32.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kernel/irq_32.c 2011-07-06 20:00:13.000000000 -0400 -@@ -36,7 +36,7 @@ static int check_stack_overflow(void) - __asm__ __volatile__("andl %%esp,%0" : - "=r" (sp) : "0" (THREAD_SIZE - 1)); - -- return sp < (sizeof(struct thread_info) + STACK_WARN); -+ return sp < STACK_WARN; - } - - static void print_stack_overflow(void) -@@ -54,8 +54,8 @@ static inline void print_stack_overflow( - * per-CPU IRQ handling contexts (thread information and stack) - */ - union irq_ctx { -- struct thread_info tinfo; -- u32 stack[THREAD_SIZE/sizeof(u32)]; -+ unsigned long previous_esp; -+ u32 stack[THREAD_SIZE/sizeof(u32)]; - } __attribute__((aligned(THREAD_SIZE))); - - static DEFINE_PER_CPU(union irq_ctx *, hardirq_ctx); -@@ -75,10 +75,9 @@ static void call_on_stack(void *func, vo - static inline int - execute_on_irq_stack(int overflow, struct irq_desc *desc, int irq) - { -- union irq_ctx *curctx, *irqctx; -+ union irq_ctx *irqctx; - u32 *isp, arg1, arg2; - -- curctx = (union irq_ctx *) current_thread_info(); - irqctx = __this_cpu_read(hardirq_ctx); - - /* -@@ -87,21 +86,16 @@ execute_on_irq_stack(int overflow, struc - * handler) we can't do that and just have to keep using the - * current stack (which is the irq stack already after all) - */ -- if (unlikely(curctx == irqctx)) -+ if (unlikely((void *)current_stack_pointer - (void *)irqctx < THREAD_SIZE)) - return 0; - - /* build the stack frame on the IRQ stack */ -- isp = (u32 *) ((char *)irqctx + sizeof(*irqctx)); -- irqctx->tinfo.task = curctx->tinfo.task; -- irqctx->tinfo.previous_esp = current_stack_pointer; -+ isp = (u32 *) ((char *)irqctx + sizeof(*irqctx) - 8); -+ irqctx->previous_esp = current_stack_pointer; - -- /* -- * Copy the softirq bits in preempt_count so that the -- * softirq checks work in the hardirq context. -- */ -- irqctx->tinfo.preempt_count = -- (irqctx->tinfo.preempt_count & ~SOFTIRQ_MASK) | -- (curctx->tinfo.preempt_count & SOFTIRQ_MASK); -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ __set_fs(MAKE_MM_SEG(0)); -+#endif - - if (unlikely(overflow)) - call_on_stack(print_stack_overflow, isp); -@@ -113,6 +107,11 @@ execute_on_irq_stack(int overflow, struc - : "0" (irq), "1" (desc), "2" (isp), - "D" (desc->handle_irq) - : "memory", "cc", "ecx"); -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ __set_fs(current_thread_info()->addr_limit); -+#endif -+ - return 1; - } - -@@ -121,29 +120,11 @@ execute_on_irq_stack(int overflow, struc - */ - void __cpuinit irq_ctx_init(int cpu) - { -- union irq_ctx *irqctx; -- - if (per_cpu(hardirq_ctx, cpu)) - return; - -- irqctx = page_address(alloc_pages_node(cpu_to_node(cpu), -- THREAD_FLAGS, -- THREAD_ORDER)); -- memset(&irqctx->tinfo, 0, sizeof(struct thread_info)); -- irqctx->tinfo.cpu = cpu; -- irqctx->tinfo.preempt_count = HARDIRQ_OFFSET; -- irqctx->tinfo.addr_limit = MAKE_MM_SEG(0); -- -- per_cpu(hardirq_ctx, cpu) = irqctx; -- -- irqctx = page_address(alloc_pages_node(cpu_to_node(cpu), -- THREAD_FLAGS, -- THREAD_ORDER)); -- memset(&irqctx->tinfo, 0, sizeof(struct thread_info)); -- irqctx->tinfo.cpu = cpu; -- irqctx->tinfo.addr_limit = MAKE_MM_SEG(0); -- -- per_cpu(softirq_ctx, cpu) = irqctx; -+ per_cpu(hardirq_ctx, cpu) = page_address(alloc_pages_node(cpu_to_node(cpu), THREAD_FLAGS, THREAD_ORDER)); -+ per_cpu(softirq_ctx, cpu) = page_address(alloc_pages_node(cpu_to_node(cpu), THREAD_FLAGS, THREAD_ORDER)); - - printk(KERN_DEBUG "CPU %u irqstacks, hard=%p soft=%p\n", - cpu, per_cpu(hardirq_ctx, cpu), per_cpu(softirq_ctx, cpu)); -@@ -152,7 +133,6 @@ void __cpuinit irq_ctx_init(int cpu) - asmlinkage void do_softirq(void) - { - unsigned long flags; -- struct thread_info *curctx; - union irq_ctx *irqctx; - u32 *isp; - -@@ -162,15 +142,22 @@ asmlinkage void do_softirq(void) - local_irq_save(flags); - - if (local_softirq_pending()) { -- curctx = current_thread_info(); - irqctx = __this_cpu_read(softirq_ctx); -- irqctx->tinfo.task = curctx->task; -- irqctx->tinfo.previous_esp = current_stack_pointer; -+ irqctx->previous_esp = current_stack_pointer; - - /* build the stack frame on the softirq stack */ -- isp = (u32 *) ((char *)irqctx + sizeof(*irqctx)); -+ isp = (u32 *) ((char *)irqctx + sizeof(*irqctx) - 8); -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ __set_fs(MAKE_MM_SEG(0)); -+#endif - - call_on_stack(__do_softirq, isp); -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ __set_fs(current_thread_info()->addr_limit); -+#endif -+ - /* - * Shouldn't happen, we returned above if in_interrupt(): - */ -diff -urNp linux-2.6.39.3/arch/x86/kernel/irq.c linux-2.6.39.3/arch/x86/kernel/irq.c ---- linux-2.6.39.3/arch/x86/kernel/irq.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kernel/irq.c 2011-05-22 19:36:30.000000000 -0400 -@@ -17,7 +17,7 @@ - #include <asm/mce.h> - #include <asm/hw_irq.h> - --atomic_t irq_err_count; -+atomic_unchecked_t irq_err_count; - - /* Function pointer for generic interrupt vector handling */ - void (*x86_platform_ipi_callback)(void) = NULL; -@@ -116,9 +116,9 @@ int arch_show_interrupts(struct seq_file - seq_printf(p, "%10u ", per_cpu(mce_poll_count, j)); - seq_printf(p, " Machine check polls\n"); - #endif -- seq_printf(p, "%*s: %10u\n", prec, "ERR", atomic_read(&irq_err_count)); -+ seq_printf(p, "%*s: %10u\n", prec, "ERR", atomic_read_unchecked(&irq_err_count)); - #if defined(CONFIG_X86_IO_APIC) -- seq_printf(p, "%*s: %10u\n", prec, "MIS", atomic_read(&irq_mis_count)); -+ seq_printf(p, "%*s: %10u\n", prec, "MIS", atomic_read_unchecked(&irq_mis_count)); - #endif - return 0; - } -@@ -158,10 +158,10 @@ u64 arch_irq_stat_cpu(unsigned int cpu) - - u64 arch_irq_stat(void) - { -- u64 sum = atomic_read(&irq_err_count); -+ u64 sum = atomic_read_unchecked(&irq_err_count); - - #ifdef CONFIG_X86_IO_APIC -- sum += atomic_read(&irq_mis_count); -+ sum += atomic_read_unchecked(&irq_mis_count); - #endif - return sum; - } -diff -urNp linux-2.6.39.3/arch/x86/kernel/kgdb.c linux-2.6.39.3/arch/x86/kernel/kgdb.c ---- linux-2.6.39.3/arch/x86/kernel/kgdb.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kernel/kgdb.c 2011-05-22 19:36:30.000000000 -0400 -@@ -124,11 +124,11 @@ char *dbg_get_reg(int regno, void *mem, - #ifdef CONFIG_X86_32 - switch (regno) { - case GDB_SS: -- if (!user_mode_vm(regs)) -+ if (!user_mode(regs)) - *(unsigned long *)mem = __KERNEL_DS; - break; - case GDB_SP: -- if (!user_mode_vm(regs)) -+ if (!user_mode(regs)) - *(unsigned long *)mem = kernel_stack_pointer(regs); - break; - case GDB_GS: -@@ -473,12 +473,12 @@ int kgdb_arch_handle_exception(int e_vec - case 'k': - /* clear the trace bit */ - linux_regs->flags &= ~X86_EFLAGS_TF; -- atomic_set(&kgdb_cpu_doing_single_step, -1); -+ atomic_set_unchecked(&kgdb_cpu_doing_single_step, -1); - - /* set the trace bit if we're stepping */ - if (remcomInBuffer[0] == 's') { - linux_regs->flags |= X86_EFLAGS_TF; -- atomic_set(&kgdb_cpu_doing_single_step, -+ atomic_set_unchecked(&kgdb_cpu_doing_single_step, - raw_smp_processor_id()); - } - -@@ -534,7 +534,7 @@ static int __kgdb_notify(struct die_args - return NOTIFY_DONE; - - case DIE_DEBUG: -- if (atomic_read(&kgdb_cpu_doing_single_step) != -1) { -+ if (atomic_read_unchecked(&kgdb_cpu_doing_single_step) != -1) { - if (user_mode(regs)) - return single_step_cont(regs, args); - break; -@@ -710,7 +710,7 @@ void kgdb_arch_set_pc(struct pt_regs *re - regs->ip = ip; - } - --struct kgdb_arch arch_kgdb_ops = { -+const struct kgdb_arch arch_kgdb_ops = { - /* Breakpoint instruction: */ - .gdb_bpt_instr = { 0xcc }, - .flags = KGDB_HW_BREAKPOINT, -diff -urNp linux-2.6.39.3/arch/x86/kernel/kprobes.c linux-2.6.39.3/arch/x86/kernel/kprobes.c ---- linux-2.6.39.3/arch/x86/kernel/kprobes.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kernel/kprobes.c 2011-05-22 19:36:30.000000000 -0400 -@@ -115,8 +115,11 @@ static void __kprobes __synthesize_relat - } __attribute__((packed)) *insn; - - insn = (struct __arch_relative_insn *)from; -+ -+ pax_open_kernel(); - insn->raddr = (s32)((long)(to) - ((long)(from) + 5)); - insn->op = op; -+ pax_close_kernel(); - } - - /* Insert a jump instruction at address 'from', which jumps to address 'to'.*/ -@@ -153,7 +156,7 @@ static int __kprobes can_boost(kprobe_op - kprobe_opcode_t opcode; - kprobe_opcode_t *orig_opcodes = opcodes; - -- if (search_exception_tables((unsigned long)opcodes)) -+ if (search_exception_tables(ktva_ktla((unsigned long)opcodes))) - return 0; /* Page fault may occur on this address. */ - - retry: -@@ -314,7 +317,9 @@ static int __kprobes __copy_instruction( - } - } - insn_get_length(&insn); -+ pax_open_kernel(); - memcpy(dest, insn.kaddr, insn.length); -+ pax_close_kernel(); - - #ifdef CONFIG_X86_64 - if (insn_rip_relative(&insn)) { -@@ -338,7 +343,9 @@ static int __kprobes __copy_instruction( - (u8 *) dest; - BUG_ON((s64) (s32) newdisp != newdisp); /* Sanity check. */ - disp = (u8 *) dest + insn_offset_displacement(&insn); -+ pax_open_kernel(); - *(s32 *) disp = (s32) newdisp; -+ pax_close_kernel(); - } - #endif - return insn.length; -@@ -352,12 +359,12 @@ static void __kprobes arch_copy_kprobe(s - */ - __copy_instruction(p->ainsn.insn, p->addr, 0); - -- if (can_boost(p->addr)) -+ if (can_boost(ktla_ktva(p->addr))) - p->ainsn.boostable = 0; - else - p->ainsn.boostable = -1; - -- p->opcode = *p->addr; -+ p->opcode = *(ktla_ktva(p->addr)); - } - - int __kprobes arch_prepare_kprobe(struct kprobe *p) -@@ -474,7 +481,7 @@ static void __kprobes setup_singlestep(s - * nor set current_kprobe, because it doesn't use single - * stepping. - */ -- regs->ip = (unsigned long)p->ainsn.insn; -+ regs->ip = ktva_ktla((unsigned long)p->ainsn.insn); - preempt_enable_no_resched(); - return; - } -@@ -493,7 +500,7 @@ static void __kprobes setup_singlestep(s - if (p->opcode == BREAKPOINT_INSTRUCTION) - regs->ip = (unsigned long)p->addr; - else -- regs->ip = (unsigned long)p->ainsn.insn; -+ regs->ip = ktva_ktla((unsigned long)p->ainsn.insn); - } - - /* -@@ -572,7 +579,7 @@ static int __kprobes kprobe_handler(stru - setup_singlestep(p, regs, kcb, 0); - return 1; - } -- } else if (*addr != BREAKPOINT_INSTRUCTION) { -+ } else if (*(kprobe_opcode_t *)ktla_ktva((unsigned long)addr) != BREAKPOINT_INSTRUCTION) { - /* - * The breakpoint instruction was removed right - * after we hit it. Another cpu has removed -@@ -817,7 +824,7 @@ static void __kprobes resume_execution(s - struct pt_regs *regs, struct kprobe_ctlblk *kcb) - { - unsigned long *tos = stack_addr(regs); -- unsigned long copy_ip = (unsigned long)p->ainsn.insn; -+ unsigned long copy_ip = ktva_ktla((unsigned long)p->ainsn.insn); - unsigned long orig_ip = (unsigned long)p->addr; - kprobe_opcode_t *insn = p->ainsn.insn; - -@@ -999,7 +1006,7 @@ int __kprobes kprobe_exceptions_notify(s - struct die_args *args = data; - int ret = NOTIFY_DONE; - -- if (args->regs && user_mode_vm(args->regs)) -+ if (args->regs && user_mode(args->regs)) - return ret; - - switch (val) { -@@ -1381,7 +1388,7 @@ int __kprobes arch_prepare_optimized_kpr - * Verify if the address gap is in 2GB range, because this uses - * a relative jump. - */ -- rel = (long)op->optinsn.insn - (long)op->kp.addr + RELATIVEJUMP_SIZE; -+ rel = (long)op->optinsn.insn - ktla_ktva((long)op->kp.addr) + RELATIVEJUMP_SIZE; - if (abs(rel) > 0x7fffffff) - return -ERANGE; - -@@ -1402,11 +1409,11 @@ int __kprobes arch_prepare_optimized_kpr - synthesize_set_arg1(buf + TMPL_MOVE_IDX, (unsigned long)op); - - /* Set probe function call */ -- synthesize_relcall(buf + TMPL_CALL_IDX, optimized_callback); -+ synthesize_relcall(buf + TMPL_CALL_IDX, ktla_ktva(optimized_callback)); - - /* Set returning jmp instruction at the tail of out-of-line buffer */ - synthesize_reljump(buf + TMPL_END_IDX + op->optinsn.size, -- (u8 *)op->kp.addr + op->optinsn.size); -+ (u8 *)ktla_ktva(op->kp.addr) + op->optinsn.size); - - flush_icache_range((unsigned long) buf, - (unsigned long) buf + TMPL_END_IDX + -@@ -1428,7 +1435,7 @@ static void __kprobes setup_optimize_kpr - ((long)op->kp.addr + RELATIVEJUMP_SIZE)); - - /* Backup instructions which will be replaced by jump address */ -- memcpy(op->optinsn.copied_insn, op->kp.addr + INT3_SIZE, -+ memcpy(op->optinsn.copied_insn, ktla_ktva(op->kp.addr) + INT3_SIZE, - RELATIVE_ADDR_SIZE); - - insn_buf[0] = RELATIVEJUMP_OPCODE; -diff -urNp linux-2.6.39.3/arch/x86/kernel/ldt.c linux-2.6.39.3/arch/x86/kernel/ldt.c ---- linux-2.6.39.3/arch/x86/kernel/ldt.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kernel/ldt.c 2011-05-22 19:36:30.000000000 -0400 -@@ -67,13 +67,13 @@ static int alloc_ldt(mm_context_t *pc, i - if (reload) { - #ifdef CONFIG_SMP - preempt_disable(); -- load_LDT(pc); -+ load_LDT_nolock(pc); - if (!cpumask_equal(mm_cpumask(current->mm), - cpumask_of(smp_processor_id()))) - smp_call_function(flush_ldt, current->mm, 1); - preempt_enable(); - #else -- load_LDT(pc); -+ load_LDT_nolock(pc); - #endif - } - if (oldsize) { -@@ -95,7 +95,7 @@ static inline int copy_ldt(mm_context_t - return err; - - for (i = 0; i < old->size; i++) -- write_ldt_entry(new->ldt, i, old->ldt + i * LDT_ENTRY_SIZE); -+ write_ldt_entry(new->ldt, i, old->ldt + i); - return 0; - } - -@@ -116,6 +116,24 @@ int init_new_context(struct task_struct - retval = copy_ldt(&mm->context, &old_mm->context); - mutex_unlock(&old_mm->context.lock); - } -+ -+ if (tsk == current) { -+ mm->context.vdso = 0; -+ -+#ifdef CONFIG_X86_32 -+#if defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC) -+ mm->context.user_cs_base = 0UL; -+ mm->context.user_cs_limit = ~0UL; -+ -+#if defined(CONFIG_PAX_PAGEEXEC) && defined(CONFIG_SMP) -+ cpus_clear(mm->context.cpu_user_cs_mask); -+#endif -+ -+#endif -+#endif -+ -+ } -+ - return retval; - } - -@@ -230,6 +248,13 @@ static int write_ldt(void __user *ptr, u - } - } - -+#ifdef CONFIG_PAX_SEGMEXEC -+ if ((mm->pax_flags & MF_PAX_SEGMEXEC) && (ldt_info.contents & MODIFY_LDT_CONTENTS_CODE)) { -+ error = -EINVAL; -+ goto out_unlock; -+ } -+#endif -+ - fill_ldt(&ldt, &ldt_info); - if (oldmode) - ldt.avl = 0; -diff -urNp linux-2.6.39.3/arch/x86/kernel/machine_kexec_32.c linux-2.6.39.3/arch/x86/kernel/machine_kexec_32.c ---- linux-2.6.39.3/arch/x86/kernel/machine_kexec_32.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kernel/machine_kexec_32.c 2011-05-22 19:36:30.000000000 -0400 -@@ -27,7 +27,7 @@ - #include <asm/cacheflush.h> - #include <asm/debugreg.h> - --static void set_idt(void *newidt, __u16 limit) -+static void set_idt(struct desc_struct *newidt, __u16 limit) - { - struct desc_ptr curidt; - -@@ -39,7 +39,7 @@ static void set_idt(void *newidt, __u16 - } - - --static void set_gdt(void *newgdt, __u16 limit) -+static void set_gdt(struct desc_struct *newgdt, __u16 limit) - { - struct desc_ptr curgdt; - -@@ -217,7 +217,7 @@ void machine_kexec(struct kimage *image) - } - - control_page = page_address(image->control_code_page); -- memcpy(control_page, relocate_kernel, KEXEC_CONTROL_CODE_MAX_SIZE); -+ memcpy(control_page, (void *)ktla_ktva((unsigned long)relocate_kernel), KEXEC_CONTROL_CODE_MAX_SIZE); - - relocate_kernel_ptr = control_page; - page_list[PA_CONTROL_PAGE] = __pa(control_page); -diff -urNp linux-2.6.39.3/arch/x86/kernel/microcode_amd.c linux-2.6.39.3/arch/x86/kernel/microcode_amd.c ---- linux-2.6.39.3/arch/x86/kernel/microcode_amd.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kernel/microcode_amd.c 2011-05-22 19:36:30.000000000 -0400 -@@ -339,7 +339,7 @@ static void microcode_fini_cpu_amd(int c - uci->mc = NULL; - } - --static struct microcode_ops microcode_amd_ops = { -+static const struct microcode_ops microcode_amd_ops = { - .request_microcode_user = request_microcode_user, - .request_microcode_fw = request_microcode_amd, - .collect_cpu_info = collect_cpu_info_amd, -@@ -347,7 +347,7 @@ static struct microcode_ops microcode_am - .microcode_fini_cpu = microcode_fini_cpu_amd, - }; - --struct microcode_ops * __init init_amd_microcode(void) -+const struct microcode_ops * __init init_amd_microcode(void) - { - return µcode_amd_ops; - } -diff -urNp linux-2.6.39.3/arch/x86/kernel/microcode_core.c linux-2.6.39.3/arch/x86/kernel/microcode_core.c ---- linux-2.6.39.3/arch/x86/kernel/microcode_core.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kernel/microcode_core.c 2011-05-22 19:36:30.000000000 -0400 -@@ -93,7 +93,7 @@ MODULE_LICENSE("GPL"); - - #define MICROCODE_VERSION "2.00" - --static struct microcode_ops *microcode_ops; -+static const struct microcode_ops *microcode_ops; - - /* - * Synchronization. -diff -urNp linux-2.6.39.3/arch/x86/kernel/microcode_intel.c linux-2.6.39.3/arch/x86/kernel/microcode_intel.c ---- linux-2.6.39.3/arch/x86/kernel/microcode_intel.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kernel/microcode_intel.c 2011-05-22 19:36:30.000000000 -0400 -@@ -440,13 +440,13 @@ static enum ucode_state request_microcod - - static int get_ucode_user(void *to, const void *from, size_t n) - { -- return copy_from_user(to, from, n); -+ return copy_from_user(to, (__force const void __user *)from, n); - } - - static enum ucode_state - request_microcode_user(int cpu, const void __user *buf, size_t size) - { -- return generic_load_microcode(cpu, (void *)buf, size, &get_ucode_user); -+ return generic_load_microcode(cpu, (__force void *)buf, size, &get_ucode_user); - } - - static void microcode_fini_cpu(int cpu) -@@ -457,7 +457,7 @@ static void microcode_fini_cpu(int cpu) - uci->mc = NULL; - } - --static struct microcode_ops microcode_intel_ops = { -+static const struct microcode_ops microcode_intel_ops = { - .request_microcode_user = request_microcode_user, - .request_microcode_fw = request_microcode_fw, - .collect_cpu_info = collect_cpu_info, -@@ -465,7 +465,7 @@ static struct microcode_ops microcode_in - .microcode_fini_cpu = microcode_fini_cpu, - }; - --struct microcode_ops * __init init_intel_microcode(void) -+const struct microcode_ops * __init init_intel_microcode(void) - { - return µcode_intel_ops; - } -diff -urNp linux-2.6.39.3/arch/x86/kernel/module.c linux-2.6.39.3/arch/x86/kernel/module.c ---- linux-2.6.39.3/arch/x86/kernel/module.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kernel/module.c 2011-05-22 19:36:30.000000000 -0400 -@@ -35,21 +35,66 @@ - #define DEBUGP(fmt...) - #endif - --void *module_alloc(unsigned long size) -+static inline void *__module_alloc(unsigned long size, pgprot_t prot) - { - if (PAGE_ALIGN(size) > MODULES_LEN) - return NULL; - return __vmalloc_node_range(size, 1, MODULES_VADDR, MODULES_END, -- GFP_KERNEL | __GFP_HIGHMEM, PAGE_KERNEL_EXEC, -+ GFP_KERNEL | __GFP_HIGHMEM | __GFP_ZERO, prot, - -1, __builtin_return_address(0)); - } - -+void *module_alloc(unsigned long size) -+{ -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ return __module_alloc(size, PAGE_KERNEL); -+#else -+ return __module_alloc(size, PAGE_KERNEL_EXEC); -+#endif -+ -+} -+ - /* Free memory returned from module_alloc */ - void module_free(struct module *mod, void *module_region) - { - vfree(module_region); - } - -+#ifdef CONFIG_PAX_KERNEXEC -+#ifdef CONFIG_X86_32 -+void *module_alloc_exec(unsigned long size) -+{ -+ struct vm_struct *area; -+ -+ if (size == 0) -+ return NULL; -+ -+ area = __get_vm_area(size, VM_ALLOC, (unsigned long)&MODULES_EXEC_VADDR, (unsigned long)&MODULES_EXEC_END); -+ return area ? area->addr : NULL; -+} -+EXPORT_SYMBOL(module_alloc_exec); -+ -+void module_free_exec(struct module *mod, void *module_region) -+{ -+ vunmap(module_region); -+} -+EXPORT_SYMBOL(module_free_exec); -+#else -+void module_free_exec(struct module *mod, void *module_region) -+{ -+ module_free(mod, module_region); -+} -+EXPORT_SYMBOL(module_free_exec); -+ -+void *module_alloc_exec(unsigned long size) -+{ -+ return __module_alloc(size, PAGE_KERNEL_RX); -+} -+EXPORT_SYMBOL(module_alloc_exec); -+#endif -+#endif -+ - /* We don't need anything special. */ - int module_frob_arch_sections(Elf_Ehdr *hdr, - Elf_Shdr *sechdrs, -@@ -69,14 +114,16 @@ int apply_relocate(Elf32_Shdr *sechdrs, - unsigned int i; - Elf32_Rel *rel = (void *)sechdrs[relsec].sh_addr; - Elf32_Sym *sym; -- uint32_t *location; -+ uint32_t *plocation, location; - - DEBUGP("Applying relocate section %u to %u\n", relsec, - sechdrs[relsec].sh_info); - for (i = 0; i < sechdrs[relsec].sh_size / sizeof(*rel); i++) { - /* This is where to make the change */ -- location = (void *)sechdrs[sechdrs[relsec].sh_info].sh_addr -- + rel[i].r_offset; -+ plocation = (void *)sechdrs[sechdrs[relsec].sh_info].sh_addr + rel[i].r_offset; -+ location = (uint32_t)plocation; -+ if (sechdrs[sechdrs[relsec].sh_info].sh_flags & SHF_EXECINSTR) -+ plocation = ktla_ktva((void *)plocation); - /* This is the symbol it is referring to. Note that all - undefined symbols have been resolved. */ - sym = (Elf32_Sym *)sechdrs[symindex].sh_addr -@@ -85,11 +132,15 @@ int apply_relocate(Elf32_Shdr *sechdrs, - switch (ELF32_R_TYPE(rel[i].r_info)) { - case R_386_32: - /* We add the value into the location given */ -- *location += sym->st_value; -+ pax_open_kernel(); -+ *plocation += sym->st_value; -+ pax_close_kernel(); - break; - case R_386_PC32: - /* Add the value, subtract its postition */ -- *location += sym->st_value - (uint32_t)location; -+ pax_open_kernel(); -+ *plocation += sym->st_value - location; -+ pax_close_kernel(); - break; - default: - printk(KERN_ERR "module %s: Unknown relocation: %u\n", -@@ -145,21 +196,30 @@ int apply_relocate_add(Elf64_Shdr *sechd - case R_X86_64_NONE: - break; - case R_X86_64_64: -+ pax_open_kernel(); - *(u64 *)loc = val; -+ pax_close_kernel(); - break; - case R_X86_64_32: -+ pax_open_kernel(); - *(u32 *)loc = val; -+ pax_close_kernel(); - if (val != *(u32 *)loc) - goto overflow; - break; - case R_X86_64_32S: -+ pax_open_kernel(); - *(s32 *)loc = val; -+ pax_close_kernel(); - if ((s64)val != *(s32 *)loc) - goto overflow; - break; - case R_X86_64_PC32: - val -= (u64)loc; -+ pax_open_kernel(); - *(u32 *)loc = val; -+ pax_close_kernel(); -+ - #if 0 - if ((s64)val != *(s32 *)loc) - goto overflow; -diff -urNp linux-2.6.39.3/arch/x86/kernel/paravirt.c linux-2.6.39.3/arch/x86/kernel/paravirt.c ---- linux-2.6.39.3/arch/x86/kernel/paravirt.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kernel/paravirt.c 2011-07-19 18:26:58.000000000 -0400 -@@ -53,6 +53,9 @@ u64 _paravirt_ident_64(u64 x) - { - return x; - } -+#if defined(CONFIG_X86_32) && defined(CONFIG_X86_PAE) -+PV_CALLEE_SAVE_REGS_THUNK(_paravirt_ident_64); -+#endif - - void __init default_banner(void) - { -@@ -122,7 +125,7 @@ unsigned paravirt_patch_jmp(void *insnbu - * corresponding structure. */ - static void *get_call_destination(u8 type) - { -- struct paravirt_patch_template tmpl = { -+ const struct paravirt_patch_template tmpl = { - .pv_init_ops = pv_init_ops, - .pv_time_ops = pv_time_ops, - .pv_cpu_ops = pv_cpu_ops, -@@ -133,6 +136,9 @@ static void *get_call_destination(u8 typ - .pv_lock_ops = pv_lock_ops, - #endif - }; -+ -+ pax_track_stack(); -+ - return *((void **)&tmpl + type); - } - -@@ -145,15 +151,19 @@ unsigned paravirt_patch_default(u8 type, - if (opfunc == NULL) - /* If there's no function, patch it with a ud2a (BUG) */ - ret = paravirt_patch_insns(insnbuf, len, ud2a, ud2a+sizeof(ud2a)); -- else if (opfunc == _paravirt_nop) -+ else if (opfunc == (void *)_paravirt_nop) - /* If the operation is a nop, then nop the callsite */ - ret = paravirt_patch_nop(); - - /* identity functions just return their single argument */ -- else if (opfunc == _paravirt_ident_32) -+ else if (opfunc == (void *)_paravirt_ident_32) - ret = paravirt_patch_ident_32(insnbuf, len); -- else if (opfunc == _paravirt_ident_64) -+ else if (opfunc == (void *)_paravirt_ident_64) - ret = paravirt_patch_ident_64(insnbuf, len); -+#if defined(CONFIG_X86_32) && defined(CONFIG_X86_PAE) -+ else if (opfunc == (void *)__raw_callee_save__paravirt_ident_64) -+ ret = paravirt_patch_ident_64(insnbuf, len); -+#endif - - else if (type == PARAVIRT_PATCH(pv_cpu_ops.iret) || - type == PARAVIRT_PATCH(pv_cpu_ops.irq_enable_sysexit) || -@@ -178,7 +188,7 @@ unsigned paravirt_patch_insns(void *insn - if (insn_len > len || start == NULL) - insn_len = len; - else -- memcpy(insnbuf, start, insn_len); -+ memcpy(insnbuf, ktla_ktva(start), insn_len); - - return insn_len; - } -@@ -294,22 +304,22 @@ void arch_flush_lazy_mmu_mode(void) - preempt_enable(); - } - --struct pv_info pv_info = { -+struct pv_info pv_info __read_only = { - .name = "bare hardware", - .paravirt_enabled = 0, - .kernel_rpl = 0, - .shared_kernel_pmd = 1, /* Only used when CONFIG_X86_PAE is set */ - }; - --struct pv_init_ops pv_init_ops = { -+struct pv_init_ops pv_init_ops __read_only = { - .patch = native_patch, - }; - --struct pv_time_ops pv_time_ops = { -+struct pv_time_ops pv_time_ops __read_only = { - .sched_clock = native_sched_clock, - }; - --struct pv_irq_ops pv_irq_ops = { -+struct pv_irq_ops pv_irq_ops __read_only = { - .save_fl = __PV_IS_CALLEE_SAVE(native_save_fl), - .restore_fl = __PV_IS_CALLEE_SAVE(native_restore_fl), - .irq_disable = __PV_IS_CALLEE_SAVE(native_irq_disable), -@@ -321,7 +331,7 @@ struct pv_irq_ops pv_irq_ops = { - #endif - }; - --struct pv_cpu_ops pv_cpu_ops = { -+struct pv_cpu_ops pv_cpu_ops __read_only = { - .cpuid = native_cpuid, - .get_debugreg = native_get_debugreg, - .set_debugreg = native_set_debugreg, -@@ -382,21 +392,26 @@ struct pv_cpu_ops pv_cpu_ops = { - .end_context_switch = paravirt_nop, - }; - --struct pv_apic_ops pv_apic_ops = { -+struct pv_apic_ops pv_apic_ops __read_only = { - #ifdef CONFIG_X86_LOCAL_APIC - .startup_ipi_hook = paravirt_nop, - #endif - }; - --#if defined(CONFIG_X86_32) && !defined(CONFIG_X86_PAE) -+#ifdef CONFIG_X86_32 -+#ifdef CONFIG_X86_PAE -+/* 64-bit pagetable entries */ -+#define PTE_IDENT PV_CALLEE_SAVE(_paravirt_ident_64) -+#else - /* 32-bit pagetable entries */ - #define PTE_IDENT __PV_IS_CALLEE_SAVE(_paravirt_ident_32) -+#endif - #else - /* 64-bit pagetable entries */ - #define PTE_IDENT __PV_IS_CALLEE_SAVE(_paravirt_ident_64) - #endif - --struct pv_mmu_ops pv_mmu_ops = { -+struct pv_mmu_ops pv_mmu_ops __read_only = { - - .read_cr2 = native_read_cr2, - .write_cr2 = native_write_cr2, -@@ -465,6 +480,12 @@ struct pv_mmu_ops pv_mmu_ops = { - }, - - .set_fixmap = native_set_fixmap, -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ .pax_open_kernel = native_pax_open_kernel, -+ .pax_close_kernel = native_pax_close_kernel, -+#endif -+ - }; - - EXPORT_SYMBOL_GPL(pv_time_ops); -diff -urNp linux-2.6.39.3/arch/x86/kernel/paravirt-spinlocks.c linux-2.6.39.3/arch/x86/kernel/paravirt-spinlocks.c ---- linux-2.6.39.3/arch/x86/kernel/paravirt-spinlocks.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kernel/paravirt-spinlocks.c 2011-05-22 19:36:30.000000000 -0400 -@@ -13,7 +13,7 @@ default_spin_lock_flags(arch_spinlock_t - arch_spin_lock(lock); - } - --struct pv_lock_ops pv_lock_ops = { -+struct pv_lock_ops pv_lock_ops __read_only = { - #ifdef CONFIG_SMP - .spin_is_locked = __ticket_spin_is_locked, - .spin_is_contended = __ticket_spin_is_contended, -diff -urNp linux-2.6.39.3/arch/x86/kernel/pci-calgary_64.c linux-2.6.39.3/arch/x86/kernel/pci-calgary_64.c ---- linux-2.6.39.3/arch/x86/kernel/pci-calgary_64.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kernel/pci-calgary_64.c 2011-05-22 19:36:30.000000000 -0400 -@@ -179,13 +179,13 @@ static void calioc2_dump_error_regs(stru - static void calgary_init_bitmap_from_tce_table(struct iommu_table *tbl); - static void get_tce_space_from_tar(void); - --static struct cal_chipset_ops calgary_chip_ops = { -+static const struct cal_chipset_ops calgary_chip_ops = { - .handle_quirks = calgary_handle_quirks, - .tce_cache_blast = calgary_tce_cache_blast, - .dump_error_regs = calgary_dump_error_regs - }; - --static struct cal_chipset_ops calioc2_chip_ops = { -+static const struct cal_chipset_ops calioc2_chip_ops = { - .handle_quirks = calioc2_handle_quirks, - .tce_cache_blast = calioc2_tce_cache_blast, - .dump_error_regs = calioc2_dump_error_regs -@@ -476,7 +476,7 @@ static void calgary_free_coherent(struct - free_pages((unsigned long)vaddr, get_order(size)); - } - --static struct dma_map_ops calgary_dma_ops = { -+static const struct dma_map_ops calgary_dma_ops = { - .alloc_coherent = calgary_alloc_coherent, - .free_coherent = calgary_free_coherent, - .map_sg = calgary_map_sg, -diff -urNp linux-2.6.39.3/arch/x86/kernel/pci-dma.c linux-2.6.39.3/arch/x86/kernel/pci-dma.c ---- linux-2.6.39.3/arch/x86/kernel/pci-dma.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kernel/pci-dma.c 2011-05-22 19:36:30.000000000 -0400 -@@ -16,7 +16,7 @@ - - static int forbid_dac __read_mostly; - --struct dma_map_ops *dma_ops = &nommu_dma_ops; -+const struct dma_map_ops *dma_ops = &nommu_dma_ops; - EXPORT_SYMBOL(dma_ops); - - static int iommu_sac_force __read_mostly; -@@ -250,7 +250,7 @@ early_param("iommu", iommu_setup); - - int dma_supported(struct device *dev, u64 mask) - { -- struct dma_map_ops *ops = get_dma_ops(dev); -+ const struct dma_map_ops *ops = get_dma_ops(dev); - - #ifdef CONFIG_PCI - if (mask > 0xffffffff && forbid_dac > 0) { -diff -urNp linux-2.6.39.3/arch/x86/kernel/pci-gart_64.c linux-2.6.39.3/arch/x86/kernel/pci-gart_64.c ---- linux-2.6.39.3/arch/x86/kernel/pci-gart_64.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kernel/pci-gart_64.c 2011-05-22 19:36:30.000000000 -0400 -@@ -695,7 +695,7 @@ static __init int init_amd_gatt(struct a - return -1; - } - --static struct dma_map_ops gart_dma_ops = { -+static const struct dma_map_ops gart_dma_ops = { - .map_sg = gart_map_sg, - .unmap_sg = gart_unmap_sg, - .map_page = gart_map_page, -diff -urNp linux-2.6.39.3/arch/x86/kernel/pci-iommu_table.c linux-2.6.39.3/arch/x86/kernel/pci-iommu_table.c ---- linux-2.6.39.3/arch/x86/kernel/pci-iommu_table.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kernel/pci-iommu_table.c 2011-05-22 19:36:30.000000000 -0400 -@@ -2,7 +2,7 @@ - #include <asm/iommu_table.h> - #include <linux/string.h> - #include <linux/kallsyms.h> -- -+#include <linux/sched.h> - - #define DEBUG 1 - -@@ -53,6 +53,8 @@ void __init check_iommu_entries(struct i - char sym_p[KSYM_SYMBOL_LEN]; - char sym_q[KSYM_SYMBOL_LEN]; - -+ pax_track_stack(); -+ - /* Simple cyclic dependency checker. */ - for (p = start; p < finish; p++) { - q = find_dependents_of(start, finish, p); -diff -urNp linux-2.6.39.3/arch/x86/kernel/pci-nommu.c linux-2.6.39.3/arch/x86/kernel/pci-nommu.c ---- linux-2.6.39.3/arch/x86/kernel/pci-nommu.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kernel/pci-nommu.c 2011-05-22 19:36:30.000000000 -0400 -@@ -95,7 +95,7 @@ static void nommu_sync_sg_for_device(str - flush_write_buffers(); - } - --struct dma_map_ops nommu_dma_ops = { -+const struct dma_map_ops nommu_dma_ops = { - .alloc_coherent = dma_generic_alloc_coherent, - .free_coherent = nommu_free_coherent, - .map_sg = nommu_map_sg, -diff -urNp linux-2.6.39.3/arch/x86/kernel/pci-swiotlb.c linux-2.6.39.3/arch/x86/kernel/pci-swiotlb.c ---- linux-2.6.39.3/arch/x86/kernel/pci-swiotlb.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kernel/pci-swiotlb.c 2011-05-22 19:36:30.000000000 -0400 -@@ -26,7 +26,7 @@ static void *x86_swiotlb_alloc_coherent( - return swiotlb_alloc_coherent(hwdev, size, dma_handle, flags); - } - --static struct dma_map_ops swiotlb_dma_ops = { -+static const struct dma_map_ops swiotlb_dma_ops = { - .mapping_error = swiotlb_dma_mapping_error, - .alloc_coherent = x86_swiotlb_alloc_coherent, - .free_coherent = swiotlb_free_coherent, -diff -urNp linux-2.6.39.3/arch/x86/kernel/process_32.c linux-2.6.39.3/arch/x86/kernel/process_32.c ---- linux-2.6.39.3/arch/x86/kernel/process_32.c 2011-06-25 12:55:22.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kernel/process_32.c 2011-06-25 13:00:25.000000000 -0400 -@@ -65,6 +65,7 @@ asmlinkage void ret_from_fork(void) __as - unsigned long thread_saved_pc(struct task_struct *tsk) - { - return ((unsigned long *)tsk->thread.sp)[3]; -+//XXX return tsk->thread.eip; - } - - #ifndef CONFIG_SMP -@@ -126,15 +127,14 @@ void __show_regs(struct pt_regs *regs, i - unsigned long sp; - unsigned short ss, gs; - -- if (user_mode_vm(regs)) { -+ if (user_mode(regs)) { - sp = regs->sp; - ss = regs->ss & 0xffff; -- gs = get_user_gs(regs); - } else { - sp = kernel_stack_pointer(regs); - savesegment(ss, ss); -- savesegment(gs, gs); - } -+ gs = get_user_gs(regs); - - show_regs_common(); - -@@ -196,13 +196,14 @@ int copy_thread(unsigned long clone_flag - struct task_struct *tsk; - int err; - -- childregs = task_pt_regs(p); -+ childregs = task_stack_page(p) + THREAD_SIZE - sizeof(struct pt_regs) - 8; - *childregs = *regs; - childregs->ax = 0; - childregs->sp = sp; - - p->thread.sp = (unsigned long) childregs; - p->thread.sp0 = (unsigned long) (childregs+1); -+ p->tinfo.lowest_stack = (unsigned long)task_stack_page(p); - - p->thread.ip = (unsigned long) ret_from_fork; - -@@ -292,7 +293,7 @@ __switch_to(struct task_struct *prev_p, - struct thread_struct *prev = &prev_p->thread, - *next = &next_p->thread; - int cpu = smp_processor_id(); -- struct tss_struct *tss = &per_cpu(init_tss, cpu); -+ struct tss_struct *tss = init_tss + cpu; - bool preload_fpu; - - /* never put a printk in __switch_to... printk() calls wake_up*() indirectly */ -@@ -327,6 +328,10 @@ __switch_to(struct task_struct *prev_p, - */ - lazy_save_gs(prev->gs); - -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ __set_fs(task_thread_info(next_p)->addr_limit); -+#endif -+ - /* - * Load the per-thread Thread-Local Storage descriptor. - */ -@@ -362,6 +367,9 @@ __switch_to(struct task_struct *prev_p, - */ - arch_end_context_switch(next_p); - -+ percpu_write(current_task, next_p); -+ percpu_write(current_tinfo, &next_p->tinfo); -+ - if (preload_fpu) - __math_state_restore(); - -@@ -371,8 +379,6 @@ __switch_to(struct task_struct *prev_p, - if (prev->gs | next->gs) - lazy_load_gs(next->gs); - -- percpu_write(current_task, next_p); -- - return prev_p; - } - -@@ -402,4 +408,3 @@ unsigned long get_wchan(struct task_stru - } while (count++ < 16); - return 0; - } -- -diff -urNp linux-2.6.39.3/arch/x86/kernel/process_64.c linux-2.6.39.3/arch/x86/kernel/process_64.c ---- linux-2.6.39.3/arch/x86/kernel/process_64.c 2011-06-25 12:55:22.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kernel/process_64.c 2011-06-25 13:00:25.000000000 -0400 -@@ -87,7 +87,7 @@ static void __exit_idle(void) - void exit_idle(void) - { - /* idle loop has pid 0 */ -- if (current->pid) -+ if (task_pid_nr(current)) - return; - __exit_idle(); - } -@@ -260,8 +260,7 @@ int copy_thread(unsigned long clone_flag - struct pt_regs *childregs; - struct task_struct *me = current; - -- childregs = ((struct pt_regs *) -- (THREAD_SIZE + task_stack_page(p))) - 1; -+ childregs = task_stack_page(p) + THREAD_SIZE - sizeof(struct pt_regs) - 16; - *childregs = *regs; - - childregs->ax = 0; -@@ -273,6 +272,7 @@ int copy_thread(unsigned long clone_flag - p->thread.sp = (unsigned long) childregs; - p->thread.sp0 = (unsigned long) (childregs+1); - p->thread.usersp = me->thread.usersp; -+ p->tinfo.lowest_stack = (unsigned long)task_stack_page(p); - - set_tsk_thread_flag(p, TIF_FORK); - -@@ -375,7 +375,7 @@ __switch_to(struct task_struct *prev_p, - struct thread_struct *prev = &prev_p->thread; - struct thread_struct *next = &next_p->thread; - int cpu = smp_processor_id(); -- struct tss_struct *tss = &per_cpu(init_tss, cpu); -+ struct tss_struct *tss = init_tss + cpu; - unsigned fsindex, gsindex; - bool preload_fpu; - -@@ -471,10 +471,9 @@ __switch_to(struct task_struct *prev_p, - prev->usersp = percpu_read(old_rsp); - percpu_write(old_rsp, next->usersp); - percpu_write(current_task, next_p); -+ percpu_write(current_tinfo, &next_p->tinfo); - -- percpu_write(kernel_stack, -- (unsigned long)task_stack_page(next_p) + -- THREAD_SIZE - KERNEL_STACK_OFFSET); -+ percpu_write(kernel_stack, next->sp0); - - /* - * Now maybe reload the debug registers and handle I/O bitmaps -@@ -536,12 +535,11 @@ unsigned long get_wchan(struct task_stru - if (!p || p == current || p->state == TASK_RUNNING) - return 0; - stack = (unsigned long)task_stack_page(p); -- if (p->thread.sp < stack || p->thread.sp >= stack+THREAD_SIZE) -+ if (p->thread.sp < stack || p->thread.sp > stack+THREAD_SIZE-16-sizeof(u64)) - return 0; - fp = *(u64 *)(p->thread.sp); - do { -- if (fp < (unsigned long)stack || -- fp >= (unsigned long)stack+THREAD_SIZE) -+ if (fp < stack || fp > stack+THREAD_SIZE-16-sizeof(u64)) - return 0; - ip = *(u64 *)(fp+8); - if (!in_sched_functions(ip)) -diff -urNp linux-2.6.39.3/arch/x86/kernel/process.c linux-2.6.39.3/arch/x86/kernel/process.c ---- linux-2.6.39.3/arch/x86/kernel/process.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kernel/process.c 2011-05-22 19:36:30.000000000 -0400 -@@ -48,16 +48,33 @@ void free_thread_xstate(struct task_stru - - void free_thread_info(struct thread_info *ti) - { -- free_thread_xstate(ti->task); - free_pages((unsigned long)ti, get_order(THREAD_SIZE)); - } - -+static struct kmem_cache *task_struct_cachep; -+ - void arch_task_cache_init(void) - { -- task_xstate_cachep = -- kmem_cache_create("task_xstate", xstate_size, -+ /* create a slab on which task_structs can be allocated */ -+ task_struct_cachep = -+ kmem_cache_create("task_struct", sizeof(struct task_struct), -+ ARCH_MIN_TASKALIGN, SLAB_PANIC | SLAB_NOTRACK, NULL); -+ -+ task_xstate_cachep = -+ kmem_cache_create("task_xstate", xstate_size, - __alignof__(union thread_xstate), -- SLAB_PANIC | SLAB_NOTRACK, NULL); -+ SLAB_PANIC | SLAB_NOTRACK | SLAB_USERCOPY, NULL); -+} -+ -+struct task_struct *alloc_task_struct_node(int node) -+{ -+ return kmem_cache_alloc_node(task_struct_cachep, GFP_KERNEL, node); -+} -+ -+void free_task_struct(struct task_struct *task) -+{ -+ free_thread_xstate(task); -+ kmem_cache_free(task_struct_cachep, task); - } - - /* -@@ -70,7 +87,7 @@ void exit_thread(void) - unsigned long *bp = t->io_bitmap_ptr; - - if (bp) { -- struct tss_struct *tss = &per_cpu(init_tss, get_cpu()); -+ struct tss_struct *tss = init_tss + get_cpu(); - - t->io_bitmap_ptr = NULL; - clear_thread_flag(TIF_IO_BITMAP); -@@ -106,7 +123,7 @@ void show_regs_common(void) - - printk(KERN_CONT "\n"); - printk(KERN_DEFAULT "Pid: %d, comm: %.20s %s %s %.*s", -- current->pid, current->comm, print_tainted(), -+ task_pid_nr(current), current->comm, print_tainted(), - init_utsname()->release, - (int)strcspn(init_utsname()->version, " "), - init_utsname()->version); -@@ -120,6 +137,9 @@ void flush_thread(void) - { - struct task_struct *tsk = current; - -+#if defined(CONFIG_X86_32) && !defined(CONFIG_CC_STACKPROTECTOR) && !defined(CONFIG_PAX_MEMORY_UDEREF) -+ loadsegment(gs, 0); -+#endif - flush_ptrace_hw_breakpoint(tsk); - memset(tsk->thread.tls_array, 0, sizeof(tsk->thread.tls_array)); - /* -@@ -282,10 +302,10 @@ int kernel_thread(int (*fn)(void *), voi - regs.di = (unsigned long) arg; - - #ifdef CONFIG_X86_32 -- regs.ds = __USER_DS; -- regs.es = __USER_DS; -+ regs.ds = __KERNEL_DS; -+ regs.es = __KERNEL_DS; - regs.fs = __KERNEL_PERCPU; -- regs.gs = __KERNEL_STACK_CANARY; -+ savesegment(gs, regs.gs); - #else - regs.ss = __KERNEL_DS; - #endif -@@ -401,7 +421,7 @@ void default_idle(void) - EXPORT_SYMBOL(default_idle); - #endif - --void stop_this_cpu(void *dummy) -+__noreturn void stop_this_cpu(void *dummy) - { - local_irq_disable(); - /* -@@ -665,16 +685,34 @@ static int __init idle_setup(char *str) - } - early_param("idle", idle_setup); - --unsigned long arch_align_stack(unsigned long sp) -+#ifdef CONFIG_PAX_RANDKSTACK -+asmlinkage void pax_randomize_kstack(void) - { -- if (!(current->personality & ADDR_NO_RANDOMIZE) && randomize_va_space) -- sp -= get_random_int() % 8192; -- return sp & ~0xf; --} -+ struct thread_struct *thread = ¤t->thread; -+ unsigned long time; - --unsigned long arch_randomize_brk(struct mm_struct *mm) --{ -- unsigned long range_end = mm->brk + 0x02000000; -- return randomize_range(mm->brk, range_end, 0) ? : mm->brk; --} -+ if (!randomize_va_space) -+ return; -+ -+ rdtscl(time); -+ -+ /* P4 seems to return a 0 LSB, ignore it */ -+#ifdef CONFIG_MPENTIUM4 -+ time &= 0x3EUL; -+ time <<= 2; -+#elif defined(CONFIG_X86_64) -+ time &= 0xFUL; -+ time <<= 4; -+#else -+ time &= 0x1FUL; -+ time <<= 3; -+#endif -+ -+ thread->sp0 ^= time; -+ load_sp0(init_tss + smp_processor_id(), thread); - -+#ifdef CONFIG_X86_64 -+ percpu_write(kernel_stack, thread->sp0); -+#endif -+} -+#endif -diff -urNp linux-2.6.39.3/arch/x86/kernel/ptrace.c linux-2.6.39.3/arch/x86/kernel/ptrace.c ---- linux-2.6.39.3/arch/x86/kernel/ptrace.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kernel/ptrace.c 2011-05-22 19:36:30.000000000 -0400 -@@ -821,7 +821,7 @@ long arch_ptrace(struct task_struct *chi - unsigned long addr, unsigned long data) - { - int ret; -- unsigned long __user *datap = (unsigned long __user *)data; -+ unsigned long __user *datap = (__force unsigned long __user *)data; - - switch (request) { - /* read the word at location addr in the USER area. */ -@@ -906,14 +906,14 @@ long arch_ptrace(struct task_struct *chi - if ((int) addr < 0) - return -EIO; - ret = do_get_thread_area(child, addr, -- (struct user_desc __user *)data); -+ (__force struct user_desc __user *) data); - break; - - case PTRACE_SET_THREAD_AREA: - if ((int) addr < 0) - return -EIO; - ret = do_set_thread_area(child, addr, -- (struct user_desc __user *)data, 0); -+ (__force struct user_desc __user *) data, 0); - break; - #endif - -@@ -1330,7 +1330,7 @@ static void fill_sigtrap_info(struct tas - memset(info, 0, sizeof(*info)); - info->si_signo = SIGTRAP; - info->si_code = si_code; -- info->si_addr = user_mode_vm(regs) ? (void __user *)regs->ip : NULL; -+ info->si_addr = user_mode(regs) ? (__force void __user *)regs->ip : NULL; - } - - void user_single_step_siginfo(struct task_struct *tsk, -@@ -1363,7 +1363,7 @@ void send_sigtrap(struct task_struct *ts - * We must return the syscall number to actually look up in the table. - * This can be -1L to skip running any syscall at all. - */ --asmregparm long syscall_trace_enter(struct pt_regs *regs) -+long syscall_trace_enter(struct pt_regs *regs) - { - long ret = 0; - -@@ -1408,7 +1408,7 @@ asmregparm long syscall_trace_enter(stru - return ret ?: regs->orig_ax; - } - --asmregparm void syscall_trace_leave(struct pt_regs *regs) -+void syscall_trace_leave(struct pt_regs *regs) - { - bool step; - -diff -urNp linux-2.6.39.3/arch/x86/kernel/pvclock.c linux-2.6.39.3/arch/x86/kernel/pvclock.c ---- linux-2.6.39.3/arch/x86/kernel/pvclock.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kernel/pvclock.c 2011-05-22 19:36:30.000000000 -0400 -@@ -81,11 +81,11 @@ unsigned long pvclock_tsc_khz(struct pvc - return pv_tsc_khz; - } - --static atomic64_t last_value = ATOMIC64_INIT(0); -+static atomic64_unchecked_t last_value = ATOMIC64_INIT(0); - - void pvclock_resume(void) - { -- atomic64_set(&last_value, 0); -+ atomic64_set_unchecked(&last_value, 0); - } - - cycle_t pvclock_clocksource_read(struct pvclock_vcpu_time_info *src) -@@ -121,11 +121,11 @@ cycle_t pvclock_clocksource_read(struct - * updating at the same time, and one of them could be slightly behind, - * making the assumption that last_value always go forward fail to hold. - */ -- last = atomic64_read(&last_value); -+ last = atomic64_read_unchecked(&last_value); - do { - if (ret < last) - return last; -- last = atomic64_cmpxchg(&last_value, last, ret); -+ last = atomic64_cmpxchg_unchecked(&last_value, last, ret); - } while (unlikely(last != ret)); - - return ret; -diff -urNp linux-2.6.39.3/arch/x86/kernel/reboot.c linux-2.6.39.3/arch/x86/kernel/reboot.c ---- linux-2.6.39.3/arch/x86/kernel/reboot.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kernel/reboot.c 2011-05-23 17:07:00.000000000 -0400 -@@ -35,7 +35,7 @@ void (*pm_power_off)(void); - EXPORT_SYMBOL(pm_power_off); - - static const struct desc_ptr no_idt = {}; --static int reboot_mode; -+static unsigned short reboot_mode; - enum reboot_type reboot_type = BOOT_KBD; - int reboot_force; - -@@ -307,13 +307,17 @@ core_initcall(reboot_init); - extern const unsigned char machine_real_restart_asm[]; - extern const u64 machine_real_restart_gdt[3]; - --void machine_real_restart(unsigned int type) -+__noreturn void machine_real_restart(unsigned int type) - { - void *restart_va; - unsigned long restart_pa; -- void (*restart_lowmem)(unsigned int); -+ void (* __noreturn restart_lowmem)(unsigned int); - u64 *lowmem_gdt; - -+#if defined(CONFIG_X86_32) && (defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF)) -+ struct desc_struct *gdt; -+#endif -+ - local_irq_disable(); - - /* Write zero to CMOS register number 0x0f, which the BIOS POST -@@ -339,14 +343,14 @@ void machine_real_restart(unsigned int t - boot)". This seems like a fairly standard thing that gets set by - REBOOT.COM programs, and the previous reset routine did this - too. */ -- *((unsigned short *)0x472) = reboot_mode; -+ *(unsigned short *)(__va(0x472)) = reboot_mode; - - /* Patch the GDT in the low memory trampoline */ - lowmem_gdt = TRAMPOLINE_SYM(machine_real_restart_gdt); - - restart_va = TRAMPOLINE_SYM(machine_real_restart_asm); - restart_pa = virt_to_phys(restart_va); -- restart_lowmem = (void (*)(unsigned int))restart_pa; -+ restart_lowmem = (void *)restart_pa; - - /* GDT[0]: GDT self-pointer */ - lowmem_gdt[0] = -@@ -357,7 +361,33 @@ void machine_real_restart(unsigned int t - GDT_ENTRY(0x009b, restart_pa, 0xffff); - - /* Jump to the identity-mapped low memory code */ -+ -+#if defined(CONFIG_X86_32) && (defined(CONFIG_PAX_KERNEXEC) || defined(CONFIG_PAX_MEMORY_UDEREF)) -+ gdt = get_cpu_gdt_table(smp_processor_id()); -+ pax_open_kernel(); -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ gdt[GDT_ENTRY_KERNEL_DS].type = 3; -+ gdt[GDT_ENTRY_KERNEL_DS].limit = 0xf; -+ asm("mov %0, %%ds; mov %0, %%es; mov %0, %%ss" : : "r" (__KERNEL_DS) : "memory"); -+#endif -+#ifdef CONFIG_PAX_KERNEXEC -+ gdt[GDT_ENTRY_KERNEL_CS].base0 = 0; -+ gdt[GDT_ENTRY_KERNEL_CS].base1 = 0; -+ gdt[GDT_ENTRY_KERNEL_CS].base2 = 0; -+ gdt[GDT_ENTRY_KERNEL_CS].limit0 = 0xffff; -+ gdt[GDT_ENTRY_KERNEL_CS].limit = 0xf; -+ gdt[GDT_ENTRY_KERNEL_CS].g = 1; -+#endif -+ pax_close_kernel(); -+#endif -+ -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC) -+ asm volatile("push %0; push %1; lret\n" : : "i" (__KERNEL_CS), "rm" (restart_lowmem), "a" (type)); -+ unreachable(); -+#else - restart_lowmem(type); -+#endif -+ - } - #ifdef CONFIG_APM_MODULE - EXPORT_SYMBOL(machine_real_restart); -@@ -478,7 +508,7 @@ void __attribute__((weak)) mach_reboot_f - { - } - --static void native_machine_emergency_restart(void) -+__noreturn static void native_machine_emergency_restart(void) - { - int i; - -@@ -593,13 +623,13 @@ void native_machine_shutdown(void) - #endif - } - --static void __machine_emergency_restart(int emergency) -+static __noreturn void __machine_emergency_restart(int emergency) - { - reboot_emergency = emergency; - machine_ops.emergency_restart(); - } - --static void native_machine_restart(char *__unused) -+static __noreturn void native_machine_restart(char *__unused) - { - printk("machine restart\n"); - -@@ -608,7 +638,7 @@ static void native_machine_restart(char - __machine_emergency_restart(0); - } - --static void native_machine_halt(void) -+static __noreturn void native_machine_halt(void) - { - /* stop other cpus and apics */ - machine_shutdown(); -@@ -619,7 +649,7 @@ static void native_machine_halt(void) - stop_this_cpu(NULL); - } - --static void native_machine_power_off(void) -+__noreturn static void native_machine_power_off(void) - { - if (pm_power_off) { - if (!reboot_force) -@@ -628,6 +658,7 @@ static void native_machine_power_off(voi - } - /* a fallback in case there is no PM info available */ - tboot_shutdown(TB_SHUTDOWN_HALT); -+ unreachable(); - } - - struct machine_ops machine_ops = { -diff -urNp linux-2.6.39.3/arch/x86/kernel/setup.c linux-2.6.39.3/arch/x86/kernel/setup.c ---- linux-2.6.39.3/arch/x86/kernel/setup.c 2011-06-25 12:55:22.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kernel/setup.c 2011-06-25 13:00:25.000000000 -0400 -@@ -650,7 +650,7 @@ static void __init trim_bios_range(void) - * area (640->1Mb) as ram even though it is not. - * take them out. - */ -- e820_remove_range(BIOS_BEGIN, BIOS_END - BIOS_BEGIN, E820_RAM, 1); -+ e820_remove_range(ISA_START_ADDRESS, ISA_END_ADDRESS - ISA_START_ADDRESS, E820_RAM, 1); - sanitize_e820_map(e820.map, ARRAY_SIZE(e820.map), &e820.nr_map); - } - -@@ -775,14 +775,14 @@ void __init setup_arch(char **cmdline_p) - - if (!boot_params.hdr.root_flags) - root_mountflags &= ~MS_RDONLY; -- init_mm.start_code = (unsigned long) _text; -- init_mm.end_code = (unsigned long) _etext; -+ init_mm.start_code = ktla_ktva((unsigned long) _text); -+ init_mm.end_code = ktla_ktva((unsigned long) _etext); - init_mm.end_data = (unsigned long) _edata; - init_mm.brk = _brk_end; - -- code_resource.start = virt_to_phys(_text); -- code_resource.end = virt_to_phys(_etext)-1; -- data_resource.start = virt_to_phys(_etext); -+ code_resource.start = virt_to_phys(ktla_ktva(_text)); -+ code_resource.end = virt_to_phys(ktla_ktva(_etext))-1; -+ data_resource.start = virt_to_phys(_sdata); - data_resource.end = virt_to_phys(_edata)-1; - bss_resource.start = virt_to_phys(&__bss_start); - bss_resource.end = virt_to_phys(&__bss_stop)-1; -diff -urNp linux-2.6.39.3/arch/x86/kernel/setup_percpu.c linux-2.6.39.3/arch/x86/kernel/setup_percpu.c ---- linux-2.6.39.3/arch/x86/kernel/setup_percpu.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kernel/setup_percpu.c 2011-06-04 20:08:30.000000000 -0400 -@@ -21,19 +21,17 @@ - #include <asm/cpu.h> - #include <asm/stackprotector.h> - --DEFINE_PER_CPU(int, cpu_number); -+#ifdef CONFIG_SMP -+DEFINE_PER_CPU(unsigned int, cpu_number); - EXPORT_PER_CPU_SYMBOL(cpu_number); -+#endif - --#ifdef CONFIG_X86_64 - #define BOOT_PERCPU_OFFSET ((unsigned long)__per_cpu_load) --#else --#define BOOT_PERCPU_OFFSET 0 --#endif - - DEFINE_PER_CPU(unsigned long, this_cpu_off) = BOOT_PERCPU_OFFSET; - EXPORT_PER_CPU_SYMBOL(this_cpu_off); - --unsigned long __per_cpu_offset[NR_CPUS] __read_mostly = { -+unsigned long __per_cpu_offset[NR_CPUS] __read_only = { - [0 ... NR_CPUS-1] = BOOT_PERCPU_OFFSET, - }; - EXPORT_SYMBOL(__per_cpu_offset); -@@ -155,10 +153,10 @@ static inline void setup_percpu_segment( - { - #ifdef CONFIG_X86_32 - struct desc_struct gdt; -+ unsigned long base = per_cpu_offset(cpu); - -- pack_descriptor(&gdt, per_cpu_offset(cpu), 0xFFFFF, -- 0x2 | DESCTYPE_S, 0x8); -- gdt.s = 1; -+ pack_descriptor(&gdt, base, (VMALLOC_END - base - 1) >> PAGE_SHIFT, -+ 0x83 | DESCTYPE_S, 0xC); - write_gdt_entry(get_cpu_gdt_table(cpu), - GDT_ENTRY_PERCPU, &gdt, DESCTYPE_S); - #endif -@@ -207,6 +205,11 @@ void __init setup_per_cpu_areas(void) - /* alrighty, percpu areas up and running */ - delta = (unsigned long)pcpu_base_addr - (unsigned long)__per_cpu_start; - for_each_possible_cpu(cpu) { -+#ifdef CONFIG_CC_STACKPROTECTOR -+#ifdef CONFIG_X86_32 -+ unsigned long canary = per_cpu(stack_canary.canary, cpu); -+#endif -+#endif - per_cpu_offset(cpu) = delta + pcpu_unit_offsets[cpu]; - per_cpu(this_cpu_off, cpu) = per_cpu_offset(cpu); - per_cpu(cpu_number, cpu) = cpu; -@@ -247,6 +250,12 @@ void __init setup_per_cpu_areas(void) - */ - set_cpu_numa_node(cpu, early_cpu_to_node(cpu)); - #endif -+#ifdef CONFIG_CC_STACKPROTECTOR -+#ifdef CONFIG_X86_32 -+ if (!cpu) -+ per_cpu(stack_canary.canary, cpu) = canary; -+#endif -+#endif - /* - * Up to this point, the boot CPU has been using .init.data - * area. Reload any changed state for the boot CPU. -diff -urNp linux-2.6.39.3/arch/x86/kernel/signal.c linux-2.6.39.3/arch/x86/kernel/signal.c ---- linux-2.6.39.3/arch/x86/kernel/signal.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kernel/signal.c 2011-05-23 17:07:00.000000000 -0400 -@@ -198,7 +198,7 @@ static unsigned long align_sigframe(unsi - * Align the stack pointer according to the i386 ABI, - * i.e. so that on function entry ((sp + 4) & 15) == 0. - */ -- sp = ((sp + 4) & -16ul) - 4; -+ sp = ((sp - 12) & -16ul) - 4; - #else /* !CONFIG_X86_32 */ - sp = round_down(sp, 16) - 8; - #endif -@@ -249,11 +249,11 @@ get_sigframe(struct k_sigaction *ka, str - * Return an always-bogus address instead so we will die with SIGSEGV. - */ - if (onsigstack && !likely(on_sig_stack(sp))) -- return (void __user *)-1L; -+ return (__force void __user *)-1L; - - /* save i387 state */ - if (used_math() && save_i387_xstate(*fpstate) < 0) -- return (void __user *)-1L; -+ return (__force void __user *)-1L; - - return (void __user *)sp; - } -@@ -308,9 +308,9 @@ __setup_frame(int sig, struct k_sigactio - } - - if (current->mm->context.vdso) -- restorer = VDSO32_SYMBOL(current->mm->context.vdso, sigreturn); -+ restorer = (__force void __user *)VDSO32_SYMBOL(current->mm->context.vdso, sigreturn); - else -- restorer = &frame->retcode; -+ restorer = (void __user *)&frame->retcode; - if (ka->sa.sa_flags & SA_RESTORER) - restorer = ka->sa.sa_restorer; - -@@ -324,7 +324,7 @@ __setup_frame(int sig, struct k_sigactio - * reasons and because gdb uses it as a signature to notice - * signal handler stack frames. - */ -- err |= __put_user(*((u64 *)&retcode), (u64 *)frame->retcode); -+ err |= __put_user(*((u64 *)&retcode), (u64 __user *)frame->retcode); - - if (err) - return -EFAULT; -@@ -378,7 +378,10 @@ static int __setup_rt_frame(int sig, str - err |= __copy_to_user(&frame->uc.uc_sigmask, set, sizeof(*set)); - - /* Set up to return from userspace. */ -- restorer = VDSO32_SYMBOL(current->mm->context.vdso, rt_sigreturn); -+ if (current->mm->context.vdso) -+ restorer = (__force void __user *)VDSO32_SYMBOL(current->mm->context.vdso, rt_sigreturn); -+ else -+ restorer = (void __user *)&frame->retcode; - if (ka->sa.sa_flags & SA_RESTORER) - restorer = ka->sa.sa_restorer; - put_user_ex(restorer, &frame->pretcode); -@@ -390,7 +393,7 @@ static int __setup_rt_frame(int sig, str - * reasons and because gdb uses it as a signature to notice - * signal handler stack frames. - */ -- put_user_ex(*((u64 *)&rt_retcode), (u64 *)frame->retcode); -+ put_user_ex(*((u64 *)&rt_retcode), (u64 __user *)frame->retcode); - } put_user_catch(err); - - if (err) -@@ -773,6 +776,8 @@ static void do_signal(struct pt_regs *re - int signr; - sigset_t *oldset; - -+ pax_track_stack(); -+ - /* - * We want the common case to go fast, which is why we may in certain - * cases get here from kernel mode. Just return without doing anything -@@ -780,7 +785,7 @@ static void do_signal(struct pt_regs *re - * X86_32: vm86 regs switched out by assembly code before reaching - * here, so testing against kernel CS suffices. - */ -- if (!user_mode(regs)) -+ if (!user_mode_novm(regs)) - return; - - if (current_thread_info()->status & TS_RESTORE_SIGMASK) -diff -urNp linux-2.6.39.3/arch/x86/kernel/smpboot.c linux-2.6.39.3/arch/x86/kernel/smpboot.c ---- linux-2.6.39.3/arch/x86/kernel/smpboot.c 2011-06-25 12:55:22.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kernel/smpboot.c 2011-06-25 13:00:25.000000000 -0400 -@@ -709,17 +709,20 @@ static int __cpuinit do_boot_cpu(int api - set_idle_for_cpu(cpu, c_idle.idle); - do_rest: - per_cpu(current_task, cpu) = c_idle.idle; -+ per_cpu(current_tinfo, cpu) = &c_idle.idle->tinfo; - #ifdef CONFIG_X86_32 - /* Stack for startup_32 can be just as for start_secondary onwards */ - irq_ctx_init(cpu); - #else - clear_tsk_thread_flag(c_idle.idle, TIF_FORK); - initial_gs = per_cpu_offset(cpu); -- per_cpu(kernel_stack, cpu) = -- (unsigned long)task_stack_page(c_idle.idle) - -- KERNEL_STACK_OFFSET + THREAD_SIZE; -+ per_cpu(kernel_stack, cpu) = (unsigned long)task_stack_page(c_idle.idle) - 16 + THREAD_SIZE; - #endif -+ -+ pax_open_kernel(); - early_gdt_descr.address = (unsigned long)get_cpu_gdt_table(cpu); -+ pax_close_kernel(); -+ - initial_code = (unsigned long)start_secondary; - stack_start = c_idle.idle->thread.sp; - -@@ -861,6 +864,12 @@ int __cpuinit native_cpu_up(unsigned int - - per_cpu(cpu_state, cpu) = CPU_UP_PREPARE; - -+#ifdef CONFIG_PAX_PER_CPU_PGD -+ clone_pgd_range(get_cpu_pgd(cpu) + KERNEL_PGD_BOUNDARY, -+ swapper_pg_dir + KERNEL_PGD_BOUNDARY, -+ KERNEL_PGD_PTRS); -+#endif -+ - err = do_boot_cpu(apicid, cpu); - if (err) { - pr_debug("do_boot_cpu failed %d\n", err); -diff -urNp linux-2.6.39.3/arch/x86/kernel/step.c linux-2.6.39.3/arch/x86/kernel/step.c ---- linux-2.6.39.3/arch/x86/kernel/step.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kernel/step.c 2011-05-22 19:36:30.000000000 -0400 -@@ -27,10 +27,10 @@ unsigned long convert_ip_to_linear(struc - struct desc_struct *desc; - unsigned long base; - -- seg &= ~7UL; -+ seg >>= 3; - - mutex_lock(&child->mm->context.lock); -- if (unlikely((seg >> 3) >= child->mm->context.size)) -+ if (unlikely(seg >= child->mm->context.size)) - addr = -1L; /* bogus selector, access would fault */ - else { - desc = child->mm->context.ldt + seg; -@@ -42,7 +42,8 @@ unsigned long convert_ip_to_linear(struc - addr += base; - } - mutex_unlock(&child->mm->context.lock); -- } -+ } else if (seg == __KERNEL_CS || seg == __KERNEXEC_KERNEL_CS) -+ addr = ktla_ktva(addr); - - return addr; - } -@@ -53,6 +54,9 @@ static int is_setting_trap_flag(struct t - unsigned char opcode[15]; - unsigned long addr = convert_ip_to_linear(child, regs); - -+ if (addr == -EINVAL) -+ return 0; -+ - copied = access_process_vm(child, addr, opcode, sizeof(opcode), 0); - for (i = 0; i < copied; i++) { - switch (opcode[i]) { -@@ -74,7 +78,7 @@ static int is_setting_trap_flag(struct t - - #ifdef CONFIG_X86_64 - case 0x40 ... 0x4f: -- if (regs->cs != __USER_CS) -+ if ((regs->cs & 0xffff) != __USER_CS) - /* 32-bit mode: register increment */ - return 0; - /* 64-bit mode: REX prefix */ -diff -urNp linux-2.6.39.3/arch/x86/kernel/syscall_table_32.S linux-2.6.39.3/arch/x86/kernel/syscall_table_32.S ---- linux-2.6.39.3/arch/x86/kernel/syscall_table_32.S 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kernel/syscall_table_32.S 2011-05-22 19:36:30.000000000 -0400 -@@ -1,3 +1,4 @@ -+.section .rodata,"a",@progbits - ENTRY(sys_call_table) - .long sys_restart_syscall /* 0 - old "setup()" system call, used for restarting */ - .long sys_exit -diff -urNp linux-2.6.39.3/arch/x86/kernel/sys_i386_32.c linux-2.6.39.3/arch/x86/kernel/sys_i386_32.c ---- linux-2.6.39.3/arch/x86/kernel/sys_i386_32.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kernel/sys_i386_32.c 2011-05-22 19:36:30.000000000 -0400 -@@ -24,17 +24,224 @@ - - #include <asm/syscalls.h> - --/* -- * Do a system call from kernel instead of calling sys_execve so we -- * end up with proper pt_regs. -- */ --int kernel_execve(const char *filename, -- const char *const argv[], -- const char *const envp[]) -+int i386_mmap_check(unsigned long addr, unsigned long len, unsigned long flags) - { -- long __res; -- asm volatile ("int $0x80" -- : "=a" (__res) -- : "0" (__NR_execve), "b" (filename), "c" (argv), "d" (envp) : "memory"); -- return __res; -+ unsigned long pax_task_size = TASK_SIZE; -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (current->mm->pax_flags & MF_PAX_SEGMEXEC) -+ pax_task_size = SEGMEXEC_TASK_SIZE; -+#endif -+ -+ if (len > pax_task_size || addr > pax_task_size - len) -+ return -EINVAL; -+ -+ return 0; -+} -+ -+unsigned long -+arch_get_unmapped_area(struct file *filp, unsigned long addr, -+ unsigned long len, unsigned long pgoff, unsigned long flags) -+{ -+ struct mm_struct *mm = current->mm; -+ struct vm_area_struct *vma; -+ unsigned long start_addr, pax_task_size = TASK_SIZE; -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (mm->pax_flags & MF_PAX_SEGMEXEC) -+ pax_task_size = SEGMEXEC_TASK_SIZE; -+#endif -+ -+ pax_task_size -= PAGE_SIZE; -+ -+ if (len > pax_task_size) -+ return -ENOMEM; -+ -+ if (flags & MAP_FIXED) -+ return addr; -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ -+ if (addr) { -+ addr = PAGE_ALIGN(addr); -+ if (pax_task_size - len >= addr) { -+ vma = find_vma(mm, addr); -+ if (check_heap_stack_gap(vma, addr, len)) -+ return addr; -+ } -+ } -+ if (len > mm->cached_hole_size) { -+ start_addr = addr = mm->free_area_cache; -+ } else { -+ start_addr = addr = mm->mmap_base; -+ mm->cached_hole_size = 0; -+ } -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+ if (!(__supported_pte_mask & _PAGE_NX) && (mm->pax_flags & MF_PAX_PAGEEXEC) && (flags & MAP_EXECUTABLE) && start_addr >= mm->mmap_base) { -+ start_addr = 0x00110000UL; -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) -+ start_addr += mm->delta_mmap & 0x03FFF000UL; -+#endif -+ -+ if (mm->start_brk <= start_addr && start_addr < mm->mmap_base) -+ start_addr = addr = mm->mmap_base; -+ else -+ addr = start_addr; -+ } -+#endif -+ -+full_search: -+ for (vma = find_vma(mm, addr); ; vma = vma->vm_next) { -+ /* At this point: (!vma || addr < vma->vm_end). */ -+ if (pax_task_size - len < addr) { -+ /* -+ * Start a new search - just in case we missed -+ * some holes. -+ */ -+ if (start_addr != mm->mmap_base) { -+ start_addr = addr = mm->mmap_base; -+ mm->cached_hole_size = 0; -+ goto full_search; -+ } -+ return -ENOMEM; -+ } -+ if (check_heap_stack_gap(vma, addr, len)) -+ break; -+ if (addr + mm->cached_hole_size < vma->vm_start) -+ mm->cached_hole_size = vma->vm_start - addr; -+ addr = vma->vm_end; -+ if (mm->start_brk <= addr && addr < mm->mmap_base) { -+ start_addr = addr = mm->mmap_base; -+ mm->cached_hole_size = 0; -+ goto full_search; -+ } -+ } -+ -+ /* -+ * Remember the place where we stopped the search: -+ */ -+ mm->free_area_cache = addr + len; -+ return addr; -+} -+ -+unsigned long -+arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0, -+ const unsigned long len, const unsigned long pgoff, -+ const unsigned long flags) -+{ -+ struct vm_area_struct *vma; -+ struct mm_struct *mm = current->mm; -+ unsigned long base = mm->mmap_base, addr = addr0, pax_task_size = TASK_SIZE; -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (mm->pax_flags & MF_PAX_SEGMEXEC) -+ pax_task_size = SEGMEXEC_TASK_SIZE; -+#endif -+ -+ pax_task_size -= PAGE_SIZE; -+ -+ /* requested length too big for entire address space */ -+ if (len > pax_task_size) -+ return -ENOMEM; -+ -+ if (flags & MAP_FIXED) -+ return addr; -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+ if (!(__supported_pte_mask & _PAGE_NX) && (mm->pax_flags & MF_PAX_PAGEEXEC) && (flags & MAP_EXECUTABLE)) -+ goto bottomup; -+#endif -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ -+ /* requesting a specific address */ -+ if (addr) { -+ addr = PAGE_ALIGN(addr); -+ if (pax_task_size - len >= addr) { -+ vma = find_vma(mm, addr); -+ if (check_heap_stack_gap(vma, addr, len)) -+ return addr; -+ } -+ } -+ -+ /* check if free_area_cache is useful for us */ -+ if (len <= mm->cached_hole_size) { -+ mm->cached_hole_size = 0; -+ mm->free_area_cache = mm->mmap_base; -+ } -+ -+ /* either no address requested or can't fit in requested address hole */ -+ addr = mm->free_area_cache; -+ -+ /* make sure it can fit in the remaining address space */ -+ if (addr > len) { -+ vma = find_vma(mm, addr-len); -+ if (check_heap_stack_gap(vma, addr - len, len)) -+ /* remember the address as a hint for next time */ -+ return (mm->free_area_cache = addr-len); -+ } -+ -+ if (mm->mmap_base < len) -+ goto bottomup; -+ -+ addr = mm->mmap_base-len; -+ -+ do { -+ /* -+ * Lookup failure means no vma is above this address, -+ * else if new region fits below vma->vm_start, -+ * return with success: -+ */ -+ vma = find_vma(mm, addr); -+ if (check_heap_stack_gap(vma, addr, len)) -+ /* remember the address as a hint for next time */ -+ return (mm->free_area_cache = addr); -+ -+ /* remember the largest hole we saw so far */ -+ if (addr + mm->cached_hole_size < vma->vm_start) -+ mm->cached_hole_size = vma->vm_start - addr; -+ -+ /* try just below the current vma->vm_start */ -+ addr = skip_heap_stack_gap(vma, len); -+ } while (!IS_ERR_VALUE(addr)); -+ -+bottomup: -+ /* -+ * A failed mmap() very likely causes application failure, -+ * so fall back to the bottom-up function here. This scenario -+ * can happen with large stack limits and large mmap() -+ * allocations. -+ */ -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (mm->pax_flags & MF_PAX_SEGMEXEC) -+ mm->mmap_base = SEGMEXEC_TASK_UNMAPPED_BASE; -+ else -+#endif -+ -+ mm->mmap_base = TASK_UNMAPPED_BASE; -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) -+ mm->mmap_base += mm->delta_mmap; -+#endif -+ -+ mm->free_area_cache = mm->mmap_base; -+ mm->cached_hole_size = ~0UL; -+ addr = arch_get_unmapped_area(filp, addr0, len, pgoff, flags); -+ /* -+ * Restore the topdown base: -+ */ -+ mm->mmap_base = base; -+ mm->free_area_cache = base; -+ mm->cached_hole_size = ~0UL; -+ -+ return addr; - } -diff -urNp linux-2.6.39.3/arch/x86/kernel/sys_x86_64.c linux-2.6.39.3/arch/x86/kernel/sys_x86_64.c ---- linux-2.6.39.3/arch/x86/kernel/sys_x86_64.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kernel/sys_x86_64.c 2011-05-22 19:36:30.000000000 -0400 -@@ -32,8 +32,8 @@ out: - return error; - } - --static void find_start_end(unsigned long flags, unsigned long *begin, -- unsigned long *end) -+static void find_start_end(struct mm_struct *mm, unsigned long flags, -+ unsigned long *begin, unsigned long *end) - { - if (!test_thread_flag(TIF_IA32) && (flags & MAP_32BIT)) { - unsigned long new_begin; -@@ -52,7 +52,7 @@ static void find_start_end(unsigned long - *begin = new_begin; - } - } else { -- *begin = TASK_UNMAPPED_BASE; -+ *begin = mm->mmap_base; - *end = TASK_SIZE; - } - } -@@ -69,16 +69,19 @@ arch_get_unmapped_area(struct file *filp - if (flags & MAP_FIXED) - return addr; - -- find_start_end(flags, &begin, &end); -+ find_start_end(mm, flags, &begin, &end); - - if (len > end) - return -ENOMEM; - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ - if (addr) { - addr = PAGE_ALIGN(addr); - vma = find_vma(mm, addr); -- if (end - len >= addr && -- (!vma || addr + len <= vma->vm_start)) -+ if (end - len >= addr && check_heap_stack_gap(vma, addr, len)) - return addr; - } - if (((flags & MAP_32BIT) || test_thread_flag(TIF_IA32)) -@@ -106,7 +109,7 @@ full_search: - } - return -ENOMEM; - } -- if (!vma || addr + len <= vma->vm_start) { -+ if (check_heap_stack_gap(vma, addr, len)) { - /* - * Remember the place where we stopped the search: - */ -@@ -128,7 +131,7 @@ arch_get_unmapped_area_topdown(struct fi - { - struct vm_area_struct *vma; - struct mm_struct *mm = current->mm; -- unsigned long addr = addr0; -+ unsigned long base = mm->mmap_base, addr = addr0; - - /* requested length too big for entire address space */ - if (len > TASK_SIZE) -@@ -141,13 +144,18 @@ arch_get_unmapped_area_topdown(struct fi - if (!test_thread_flag(TIF_IA32) && (flags & MAP_32BIT)) - goto bottomup; - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ - /* requesting a specific address */ - if (addr) { - addr = PAGE_ALIGN(addr); -- vma = find_vma(mm, addr); -- if (TASK_SIZE - len >= addr && -- (!vma || addr + len <= vma->vm_start)) -- return addr; -+ if (TASK_SIZE - len >= addr) { -+ vma = find_vma(mm, addr); -+ if (check_heap_stack_gap(vma, addr, len)) -+ return addr; -+ } - } - - /* check if free_area_cache is useful for us */ -@@ -162,7 +170,7 @@ arch_get_unmapped_area_topdown(struct fi - /* make sure it can fit in the remaining address space */ - if (addr > len) { - vma = find_vma(mm, addr-len); -- if (!vma || addr <= vma->vm_start) -+ if (check_heap_stack_gap(vma, addr - len, len)) - /* remember the address as a hint for next time */ - return mm->free_area_cache = addr-len; - } -@@ -179,7 +187,7 @@ arch_get_unmapped_area_topdown(struct fi - * return with success: - */ - vma = find_vma(mm, addr); -- if (!vma || addr+len <= vma->vm_start) -+ if (check_heap_stack_gap(vma, addr, len)) - /* remember the address as a hint for next time */ - return mm->free_area_cache = addr; - -@@ -188,8 +196,8 @@ arch_get_unmapped_area_topdown(struct fi - mm->cached_hole_size = vma->vm_start - addr; - - /* try just below the current vma->vm_start */ -- addr = vma->vm_start-len; -- } while (len < vma->vm_start); -+ addr = skip_heap_stack_gap(vma, len); -+ } while (!IS_ERR_VALUE(addr)); - - bottomup: - /* -@@ -198,13 +206,21 @@ bottomup: - * can happen with large stack limits and large mmap() - * allocations. - */ -+ mm->mmap_base = TASK_UNMAPPED_BASE; -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) -+ mm->mmap_base += mm->delta_mmap; -+#endif -+ -+ mm->free_area_cache = mm->mmap_base; - mm->cached_hole_size = ~0UL; -- mm->free_area_cache = TASK_UNMAPPED_BASE; - addr = arch_get_unmapped_area(filp, addr0, len, pgoff, flags); - /* - * Restore the topdown base: - */ -- mm->free_area_cache = mm->mmap_base; -+ mm->mmap_base = base; -+ mm->free_area_cache = base; - mm->cached_hole_size = ~0UL; - - return addr; -diff -urNp linux-2.6.39.3/arch/x86/kernel/tboot.c linux-2.6.39.3/arch/x86/kernel/tboot.c ---- linux-2.6.39.3/arch/x86/kernel/tboot.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kernel/tboot.c 2011-05-22 19:36:30.000000000 -0400 -@@ -218,7 +218,7 @@ static int tboot_setup_sleep(void) - - void tboot_shutdown(u32 shutdown_type) - { -- void (*shutdown)(void); -+ void (* __noreturn shutdown)(void); - - if (!tboot_enabled()) - return; -@@ -240,7 +240,7 @@ void tboot_shutdown(u32 shutdown_type) - - switch_to_tboot_pt(); - -- shutdown = (void(*)(void))(unsigned long)tboot->shutdown_entry; -+ shutdown = (void *)tboot->shutdown_entry; - shutdown(); - - /* should not reach here */ -@@ -297,7 +297,7 @@ void tboot_sleep(u8 sleep_state, u32 pm1 - tboot_shutdown(acpi_shutdown_map[sleep_state]); - } - --static atomic_t ap_wfs_count; -+static atomic_unchecked_t ap_wfs_count; - - static int tboot_wait_for_aps(int num_aps) - { -@@ -321,9 +321,9 @@ static int __cpuinit tboot_cpu_callback( - { - switch (action) { - case CPU_DYING: -- atomic_inc(&ap_wfs_count); -+ atomic_inc_unchecked(&ap_wfs_count); - if (num_online_cpus() == 1) -- if (tboot_wait_for_aps(atomic_read(&ap_wfs_count))) -+ if (tboot_wait_for_aps(atomic_read_unchecked(&ap_wfs_count))) - return NOTIFY_BAD; - break; - } -@@ -342,7 +342,7 @@ static __init int tboot_late_init(void) - - tboot_create_trampoline(); - -- atomic_set(&ap_wfs_count, 0); -+ atomic_set_unchecked(&ap_wfs_count, 0); - register_hotcpu_notifier(&tboot_cpu_notifier); - return 0; - } -diff -urNp linux-2.6.39.3/arch/x86/kernel/time.c linux-2.6.39.3/arch/x86/kernel/time.c ---- linux-2.6.39.3/arch/x86/kernel/time.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kernel/time.c 2011-05-22 19:36:30.000000000 -0400 -@@ -22,17 +22,13 @@ - #include <asm/hpet.h> - #include <asm/time.h> - --#ifdef CONFIG_X86_64 --volatile unsigned long __jiffies __section_jiffies = INITIAL_JIFFIES; --#endif -- - unsigned long profile_pc(struct pt_regs *regs) - { - unsigned long pc = instruction_pointer(regs); - -- if (!user_mode_vm(regs) && in_lock_functions(pc)) { -+ if (!user_mode(regs) && in_lock_functions(pc)) { - #ifdef CONFIG_FRAME_POINTER -- return *(unsigned long *)(regs->bp + sizeof(long)); -+ return ktla_ktva(*(unsigned long *)(regs->bp + sizeof(long))); - #else - unsigned long *sp = - (unsigned long *)kernel_stack_pointer(regs); -@@ -41,11 +37,17 @@ unsigned long profile_pc(struct pt_regs - * or above a saved flags. Eflags has bits 22-31 zero, - * kernel addresses don't. - */ -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ return ktla_ktva(sp[0]); -+#else - if (sp[0] >> 22) - return sp[0]; - if (sp[1] >> 22) - return sp[1]; - #endif -+ -+#endif - } - return pc; - } -diff -urNp linux-2.6.39.3/arch/x86/kernel/tls.c linux-2.6.39.3/arch/x86/kernel/tls.c ---- linux-2.6.39.3/arch/x86/kernel/tls.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kernel/tls.c 2011-05-22 19:36:30.000000000 -0400 -@@ -85,6 +85,11 @@ int do_set_thread_area(struct task_struc - if (idx < GDT_ENTRY_TLS_MIN || idx > GDT_ENTRY_TLS_MAX) - return -EINVAL; - -+#ifdef CONFIG_PAX_SEGMEXEC -+ if ((p->mm->pax_flags & MF_PAX_SEGMEXEC) && (info.contents & MODIFY_LDT_CONTENTS_CODE)) -+ return -EINVAL; -+#endif -+ - set_tls_desc(p, idx, &info, 1); - - return 0; -diff -urNp linux-2.6.39.3/arch/x86/kernel/trampoline_32.S linux-2.6.39.3/arch/x86/kernel/trampoline_32.S ---- linux-2.6.39.3/arch/x86/kernel/trampoline_32.S 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kernel/trampoline_32.S 2011-05-22 19:36:30.000000000 -0400 -@@ -32,6 +32,12 @@ - #include <asm/segment.h> - #include <asm/page_types.h> - -+#ifdef CONFIG_PAX_KERNEXEC -+#define ta(X) (X) -+#else -+#define ta(X) ((X) - __PAGE_OFFSET) -+#endif -+ - #ifdef CONFIG_SMP - - .section ".x86_trampoline","a" -@@ -62,7 +68,7 @@ r_base = . - inc %ax # protected mode (PE) bit - lmsw %ax # into protected mode - # flush prefetch and jump to startup_32_smp in arch/i386/kernel/head.S -- ljmpl $__BOOT_CS, $(startup_32_smp-__PAGE_OFFSET) -+ ljmpl $__BOOT_CS, $ta(startup_32_smp) - - # These need to be in the same 64K segment as the above; - # hence we don't use the boot_gdt_descr defined in head.S -diff -urNp linux-2.6.39.3/arch/x86/kernel/trampoline_64.S linux-2.6.39.3/arch/x86/kernel/trampoline_64.S ---- linux-2.6.39.3/arch/x86/kernel/trampoline_64.S 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kernel/trampoline_64.S 2011-05-22 19:36:30.000000000 -0400 -@@ -90,7 +90,7 @@ startup_32: - movl $__KERNEL_DS, %eax # Initialize the %ds segment register - movl %eax, %ds - -- movl $X86_CR4_PAE, %eax -+ movl $(X86_CR4_PSE | X86_CR4_PAE | X86_CR4_PGE), %eax - movl %eax, %cr4 # Enable PAE mode - - # Setup trampoline 4 level pagetables -@@ -138,7 +138,7 @@ tidt: - # so the kernel can live anywhere - .balign 4 - tgdt: -- .short tgdt_end - tgdt # gdt limit -+ .short tgdt_end - tgdt - 1 # gdt limit - .long tgdt - r_base - .short 0 - .quad 0x00cf9b000000ffff # __KERNEL32_CS -diff -urNp linux-2.6.39.3/arch/x86/kernel/traps.c linux-2.6.39.3/arch/x86/kernel/traps.c ---- linux-2.6.39.3/arch/x86/kernel/traps.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kernel/traps.c 2011-07-06 20:00:13.000000000 -0400 -@@ -70,12 +70,6 @@ asmlinkage int system_call(void); - - /* Do we ignore FPU interrupts ? */ - char ignore_fpu_irq; -- --/* -- * The IDT has to be page-aligned to simplify the Pentium -- * F0 0F bug workaround. -- */ --gate_desc idt_table[NR_VECTORS] __page_aligned_data = { { { { 0, 0 } } }, }; - #endif - - DECLARE_BITMAP(used_vectors, NR_VECTORS); -@@ -117,13 +111,13 @@ static inline void preempt_conditional_c - } - - static void __kprobes --do_trap(int trapnr, int signr, char *str, struct pt_regs *regs, -+do_trap(int trapnr, int signr, const char *str, struct pt_regs *regs, - long error_code, siginfo_t *info) - { - struct task_struct *tsk = current; - - #ifdef CONFIG_X86_32 -- if (regs->flags & X86_VM_MASK) { -+ if (v8086_mode(regs)) { - /* - * traps 0, 1, 3, 4, and 5 should be forwarded to vm86. - * On nmi (interrupt 2), do_trap should not be called. -@@ -134,7 +128,7 @@ do_trap(int trapnr, int signr, char *str - } - #endif - -- if (!user_mode(regs)) -+ if (!user_mode_novm(regs)) - goto kernel_trap; - - #ifdef CONFIG_X86_32 -@@ -157,7 +151,7 @@ trap_signal: - printk_ratelimit()) { - printk(KERN_INFO - "%s[%d] trap %s ip:%lx sp:%lx error:%lx", -- tsk->comm, tsk->pid, str, -+ tsk->comm, task_pid_nr(tsk), str, - regs->ip, regs->sp, error_code); - print_vma_addr(" in ", regs->ip); - printk("\n"); -@@ -174,8 +168,20 @@ kernel_trap: - if (!fixup_exception(regs)) { - tsk->thread.error_code = error_code; - tsk->thread.trap_no = trapnr; -+ -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC) -+ if (trapnr == 12 && ((regs->cs & 0xFFFF) == __KERNEL_CS || (regs->cs & 0xFFFF) == __KERNEXEC_KERNEL_CS)) -+ str = "PAX: suspicious stack segment fault"; -+#endif -+ - die(str, regs, error_code); - } -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ if (trapnr == 4) -+ pax_report_refcount_overflow(regs); -+#endif -+ - return; - - #ifdef CONFIG_X86_32 -@@ -264,14 +270,30 @@ do_general_protection(struct pt_regs *re - conditional_sti(regs); - - #ifdef CONFIG_X86_32 -- if (regs->flags & X86_VM_MASK) -+ if (v8086_mode(regs)) - goto gp_in_vm86; - #endif - - tsk = current; -- if (!user_mode(regs)) -+ if (!user_mode_novm(regs)) - goto gp_in_kernel; - -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_PAGEEXEC) -+ if (!(__supported_pte_mask & _PAGE_NX) && tsk->mm && (tsk->mm->pax_flags & MF_PAX_PAGEEXEC)) { -+ struct mm_struct *mm = tsk->mm; -+ unsigned long limit; -+ -+ down_write(&mm->mmap_sem); -+ limit = mm->context.user_cs_limit; -+ if (limit < TASK_SIZE) { -+ track_exec_limit(mm, limit, TASK_SIZE, VM_EXEC); -+ up_write(&mm->mmap_sem); -+ return; -+ } -+ up_write(&mm->mmap_sem); -+ } -+#endif -+ - tsk->thread.error_code = error_code; - tsk->thread.trap_no = 13; - -@@ -304,6 +326,13 @@ gp_in_kernel: - if (notify_die(DIE_GPF, "general protection fault", regs, - error_code, 13, SIGSEGV) == NOTIFY_STOP) - return; -+ -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC) -+ if ((regs->cs & 0xFFFF) == __KERNEL_CS || (regs->cs & 0xFFFF) == __KERNEXEC_KERNEL_CS) -+ die("PAX: suspicious general protection fault", regs, error_code); -+ else -+#endif -+ - die("general protection fault", regs, error_code); - } - -@@ -433,6 +462,17 @@ static notrace __kprobes void default_do - dotraplinkage notrace __kprobes void - do_nmi(struct pt_regs *regs, long error_code) - { -+ -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC) -+ if (!user_mode(regs)) { -+ unsigned long cs = regs->cs & 0xFFFF; -+ unsigned long ip = ktva_ktla(regs->ip); -+ -+ if ((cs == __KERNEL_CS || cs == __KERNEXEC_KERNEL_CS) && ip <= (unsigned long)_etext) -+ regs->ip = ip; -+ } -+#endif -+ - nmi_enter(); - - inc_irq_stat(__nmi_count); -@@ -569,7 +609,7 @@ dotraplinkage void __kprobes do_debug(st - /* It's safe to allow irq's after DR6 has been saved */ - preempt_conditional_sti(regs); - -- if (regs->flags & X86_VM_MASK) { -+ if (v8086_mode(regs)) { - handle_vm86_trap((struct kernel_vm86_regs *) regs, - error_code, 1); - preempt_conditional_cli(regs); -@@ -583,7 +623,7 @@ dotraplinkage void __kprobes do_debug(st - * We already checked v86 mode above, so we can check for kernel mode - * by just checking the CPL of CS. - */ -- if ((dr6 & DR_STEP) && !user_mode(regs)) { -+ if ((dr6 & DR_STEP) && !user_mode_novm(regs)) { - tsk->thread.debugreg6 &= ~DR_STEP; - set_tsk_thread_flag(tsk, TIF_SINGLESTEP); - regs->flags &= ~X86_EFLAGS_TF; -@@ -612,7 +652,7 @@ void math_error(struct pt_regs *regs, in - return; - conditional_sti(regs); - -- if (!user_mode_vm(regs)) -+ if (!user_mode(regs)) - { - if (!fixup_exception(regs)) { - task->thread.error_code = error_code; -@@ -723,7 +763,7 @@ asmlinkage void __attribute__((weak)) sm - void __math_state_restore(void) - { - struct thread_info *thread = current_thread_info(); -- struct task_struct *tsk = thread->task; -+ struct task_struct *tsk = current; - - /* - * Paranoid restore. send a SIGSEGV if we fail to restore the state. -@@ -750,8 +790,7 @@ void __math_state_restore(void) - */ - asmlinkage void math_state_restore(void) - { -- struct thread_info *thread = current_thread_info(); -- struct task_struct *tsk = thread->task; -+ struct task_struct *tsk = current; - - if (!tsk_used_math(tsk)) { - local_irq_enable(); -diff -urNp linux-2.6.39.3/arch/x86/kernel/verify_cpu.S linux-2.6.39.3/arch/x86/kernel/verify_cpu.S ---- linux-2.6.39.3/arch/x86/kernel/verify_cpu.S 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kernel/verify_cpu.S 2011-07-01 18:28:04.000000000 -0400 -@@ -20,6 +20,7 @@ - * arch/x86/boot/compressed/head_64.S: Boot cpu verification - * arch/x86/kernel/trampoline_64.S: secondary processor verification - * arch/x86/kernel/head_32.S: processor startup -+ * arch/x86/kernel/acpi/realmode/wakeup.S: 32bit processor resume - * - * verify_cpu, returns the status of longmode and SSE in register %eax. - * 0: Success 1: Failure -diff -urNp linux-2.6.39.3/arch/x86/kernel/vm86_32.c linux-2.6.39.3/arch/x86/kernel/vm86_32.c ---- linux-2.6.39.3/arch/x86/kernel/vm86_32.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kernel/vm86_32.c 2011-05-22 19:41:32.000000000 -0400 -@@ -41,6 +41,7 @@ - #include <linux/ptrace.h> - #include <linux/audit.h> - #include <linux/stddef.h> -+#include <linux/grsecurity.h> - - #include <asm/uaccess.h> - #include <asm/io.h> -@@ -148,7 +149,7 @@ struct pt_regs *save_v86_state(struct ke - do_exit(SIGSEGV); - } - -- tss = &per_cpu(init_tss, get_cpu()); -+ tss = init_tss + get_cpu(); - current->thread.sp0 = current->thread.saved_sp0; - current->thread.sysenter_cs = __KERNEL_CS; - load_sp0(tss, ¤t->thread); -@@ -208,6 +209,13 @@ int sys_vm86old(struct vm86_struct __use - struct task_struct *tsk; - int tmp, ret = -EPERM; - -+#ifdef CONFIG_GRKERNSEC_VM86 -+ if (!capable(CAP_SYS_RAWIO)) { -+ gr_handle_vm86(); -+ goto out; -+ } -+#endif -+ - tsk = current; - if (tsk->thread.saved_sp0) - goto out; -@@ -238,6 +246,14 @@ int sys_vm86(unsigned long cmd, unsigned - int tmp, ret; - struct vm86plus_struct __user *v86; - -+#ifdef CONFIG_GRKERNSEC_VM86 -+ if (!capable(CAP_SYS_RAWIO)) { -+ gr_handle_vm86(); -+ ret = -EPERM; -+ goto out; -+ } -+#endif -+ - tsk = current; - switch (cmd) { - case VM86_REQUEST_IRQ: -@@ -324,7 +340,7 @@ static void do_sys_vm86(struct kernel_vm - tsk->thread.saved_fs = info->regs32->fs; - tsk->thread.saved_gs = get_user_gs(info->regs32); - -- tss = &per_cpu(init_tss, get_cpu()); -+ tss = init_tss + get_cpu(); - tsk->thread.sp0 = (unsigned long) &info->VM86_TSS_ESP0; - if (cpu_has_sep) - tsk->thread.sysenter_cs = 0; -@@ -529,7 +545,7 @@ static void do_int(struct kernel_vm86_re - goto cannot_handle; - if (i == 0x21 && is_revectored(AH(regs), &KVM86->int21_revectored)) - goto cannot_handle; -- intr_ptr = (unsigned long __user *) (i << 2); -+ intr_ptr = (__force unsigned long __user *) (i << 2); - if (get_user(segoffs, intr_ptr)) - goto cannot_handle; - if ((segoffs >> 16) == BIOSSEG) -diff -urNp linux-2.6.39.3/arch/x86/kernel/vmlinux.lds.S linux-2.6.39.3/arch/x86/kernel/vmlinux.lds.S ---- linux-2.6.39.3/arch/x86/kernel/vmlinux.lds.S 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kernel/vmlinux.lds.S 2011-05-22 19:36:30.000000000 -0400 -@@ -26,6 +26,13 @@ - #include <asm/page_types.h> - #include <asm/cache.h> - #include <asm/boot.h> -+#include <asm/segment.h> -+ -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC) -+#define __KERNEL_TEXT_OFFSET (LOAD_OFFSET + ____LOAD_PHYSICAL_ADDR) -+#else -+#define __KERNEL_TEXT_OFFSET 0 -+#endif - - #undef i386 /* in case the preprocessor is a 32bit one */ - -@@ -34,11 +41,9 @@ OUTPUT_FORMAT(CONFIG_OUTPUT_FORMAT, CONF - #ifdef CONFIG_X86_32 - OUTPUT_ARCH(i386) - ENTRY(phys_startup_32) --jiffies = jiffies_64; - #else - OUTPUT_ARCH(i386:x86-64) - ENTRY(phys_startup_64) --jiffies_64 = jiffies; - #endif - - #if defined(CONFIG_X86_64) && defined(CONFIG_DEBUG_RODATA) -@@ -69,31 +74,46 @@ jiffies_64 = jiffies; - - PHDRS { - text PT_LOAD FLAGS(5); /* R_E */ -+#ifdef CONFIG_X86_32 -+ module PT_LOAD FLAGS(5); /* R_E */ -+#endif -+#ifdef CONFIG_XEN -+ rodata PT_LOAD FLAGS(5); /* R_E */ -+#else -+ rodata PT_LOAD FLAGS(4); /* R__ */ -+#endif - data PT_LOAD FLAGS(6); /* RW_ */ - #ifdef CONFIG_X86_64 - user PT_LOAD FLAGS(5); /* R_E */ -+#endif -+ init.begin PT_LOAD FLAGS(6); /* RW_ */ - #ifdef CONFIG_SMP - percpu PT_LOAD FLAGS(6); /* RW_ */ - #endif -+ text.init PT_LOAD FLAGS(5); /* R_E */ -+ text.exit PT_LOAD FLAGS(5); /* R_E */ - init PT_LOAD FLAGS(7); /* RWE */ --#endif - note PT_NOTE FLAGS(0); /* ___ */ - } - - SECTIONS - { - #ifdef CONFIG_X86_32 -- . = LOAD_OFFSET + LOAD_PHYSICAL_ADDR; -- phys_startup_32 = startup_32 - LOAD_OFFSET; -+ . = LOAD_OFFSET + ____LOAD_PHYSICAL_ADDR; - #else -- . = __START_KERNEL; -- phys_startup_64 = startup_64 - LOAD_OFFSET; -+ . = __START_KERNEL; - #endif - - /* Text and read-only data */ -- .text : AT(ADDR(.text) - LOAD_OFFSET) { -- _text = .; -+ .text (. - __KERNEL_TEXT_OFFSET): AT(ADDR(.text) - LOAD_OFFSET + __KERNEL_TEXT_OFFSET) { - /* bootstrapping code */ -+#ifdef CONFIG_X86_32 -+ phys_startup_32 = startup_32 - LOAD_OFFSET + __KERNEL_TEXT_OFFSET; -+#else -+ phys_startup_64 = startup_64 - LOAD_OFFSET + __KERNEL_TEXT_OFFSET; -+#endif -+ __LOAD_PHYSICAL_ADDR = . - LOAD_OFFSET + __KERNEL_TEXT_OFFSET; -+ _text = .; - HEAD_TEXT - #ifdef CONFIG_X86_32 - . = ALIGN(PAGE_SIZE); -@@ -109,13 +129,47 @@ SECTIONS - IRQENTRY_TEXT - *(.fixup) - *(.gnu.warning) -- /* End of text section */ -- _etext = .; - } :text = 0x9090 - -- NOTES :text :note -+ . += __KERNEL_TEXT_OFFSET; -+ -+#ifdef CONFIG_X86_32 -+ . = ALIGN(PAGE_SIZE); -+ .module.text : AT(ADDR(.module.text) - LOAD_OFFSET) { -+ -+#if defined(CONFIG_PAX_KERNEXEC) && defined(CONFIG_MODULES) -+ MODULES_EXEC_VADDR = .; -+ BYTE(0) -+ . += (CONFIG_PAX_KERNEXEC_MODULE_TEXT * 1024 * 1024); -+ . = ALIGN(HPAGE_SIZE); -+ MODULES_EXEC_END = . - 1; -+#endif -+ -+ } :module -+#endif -+ -+ .text.end : AT(ADDR(.text.end) - LOAD_OFFSET) { -+ /* End of text section */ -+ _etext = . - __KERNEL_TEXT_OFFSET; -+ } - -- EXCEPTION_TABLE(16) :text = 0x9090 -+#ifdef CONFIG_X86_32 -+ . = ALIGN(PAGE_SIZE); -+ .rodata.page_aligned : AT(ADDR(.rodata.page_aligned) - LOAD_OFFSET) { -+ *(.idt) -+ . = ALIGN(PAGE_SIZE); -+ *(.empty_zero_page) -+ *(.initial_pg_fixmap) -+ *(.initial_pg_pmd) -+ *(.initial_page_table) -+ *(.swapper_pg_dir) -+ } :rodata -+#endif -+ -+ . = ALIGN(PAGE_SIZE); -+ NOTES :rodata :note -+ -+ EXCEPTION_TABLE(16) :rodata - - #if defined(CONFIG_DEBUG_RODATA) - /* .text should occupy whole number of pages */ -@@ -127,16 +181,20 @@ SECTIONS - - /* Data */ - .data : AT(ADDR(.data) - LOAD_OFFSET) { -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ . = ALIGN(HPAGE_SIZE); -+#else -+ . = ALIGN(PAGE_SIZE); -+#endif -+ - /* Start of data section */ - _sdata = .; - - /* init_task */ - INIT_TASK_DATA(THREAD_SIZE) - --#ifdef CONFIG_X86_32 -- /* 32 bit has nosave before _edata */ - NOSAVE_DATA --#endif - - PAGE_ALIGNED_DATA(PAGE_SIZE) - -@@ -145,6 +203,8 @@ SECTIONS - DATA_DATA - CONSTRUCTORS - -+ jiffies = jiffies_64; -+ - /* rarely changed data like cpu maps */ - READ_MOSTLY_DATA(INTERNODE_CACHE_BYTES) - -@@ -199,12 +259,6 @@ SECTIONS - } - vgetcpu_mode = VVIRT(.vgetcpu_mode); - -- . = ALIGN(L1_CACHE_BYTES); -- .jiffies : AT(VLOAD(.jiffies)) { -- *(.jiffies) -- } -- jiffies = VVIRT(.jiffies); -- - .vsyscall_3 ADDR(.vsyscall_0) + 3072: AT(VLOAD(.vsyscall_3)) { - *(.vsyscall_3) - } -@@ -220,12 +274,19 @@ SECTIONS - #endif /* CONFIG_X86_64 */ - - /* Init code and data - will be freed after init */ -- . = ALIGN(PAGE_SIZE); - .init.begin : AT(ADDR(.init.begin) - LOAD_OFFSET) { -+ BYTE(0) -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ . = ALIGN(HPAGE_SIZE); -+#else -+ . = ALIGN(PAGE_SIZE); -+#endif -+ - __init_begin = .; /* paired with __init_end */ -- } -+ } :init.begin - --#if defined(CONFIG_X86_64) && defined(CONFIG_SMP) -+#ifdef CONFIG_SMP - /* - * percpu offsets are zero-based on SMP. PERCPU_VADDR() changes the - * output PHDR, so the next output section - .init.text - should -@@ -234,12 +295,27 @@ SECTIONS - PERCPU_VADDR(INTERNODE_CACHE_BYTES, 0, :percpu) - #endif - -- INIT_TEXT_SECTION(PAGE_SIZE) --#ifdef CONFIG_X86_64 -- :init --#endif -+ . = ALIGN(PAGE_SIZE); -+ init_begin = .; -+ .init.text (. - __KERNEL_TEXT_OFFSET): AT(init_begin - LOAD_OFFSET) { -+ VMLINUX_SYMBOL(_sinittext) = .; -+ INIT_TEXT -+ VMLINUX_SYMBOL(_einittext) = .; -+ . = ALIGN(PAGE_SIZE); -+ } :text.init - -- INIT_DATA_SECTION(16) -+ /* -+ * .exit.text is discard at runtime, not link time, to deal with -+ * references from .altinstructions and .eh_frame -+ */ -+ .exit.text : AT(ADDR(.exit.text) - LOAD_OFFSET + __KERNEL_TEXT_OFFSET) { -+ EXIT_TEXT -+ . = ALIGN(16); -+ } :text.exit -+ . = init_begin + SIZEOF(.init.text) + SIZEOF(.exit.text); -+ -+ . = ALIGN(PAGE_SIZE); -+ INIT_DATA_SECTION(16) :init - - /* - * Code and data for a variety of lowlevel trampolines, to be -@@ -306,19 +382,12 @@ SECTIONS - } - - . = ALIGN(8); -- /* -- * .exit.text is discard at runtime, not link time, to deal with -- * references from .altinstructions and .eh_frame -- */ -- .exit.text : AT(ADDR(.exit.text) - LOAD_OFFSET) { -- EXIT_TEXT -- } - - .exit.data : AT(ADDR(.exit.data) - LOAD_OFFSET) { - EXIT_DATA - } - --#if !defined(CONFIG_X86_64) || !defined(CONFIG_SMP) -+#ifndef CONFIG_SMP - PERCPU(INTERNODE_CACHE_BYTES, PAGE_SIZE) - #endif - -@@ -337,16 +406,10 @@ SECTIONS - .smp_locks : AT(ADDR(.smp_locks) - LOAD_OFFSET) { - __smp_locks = .; - *(.smp_locks) -- . = ALIGN(PAGE_SIZE); - __smp_locks_end = .; -+ . = ALIGN(PAGE_SIZE); - } - --#ifdef CONFIG_X86_64 -- .data_nosave : AT(ADDR(.data_nosave) - LOAD_OFFSET) { -- NOSAVE_DATA -- } --#endif -- - /* BSS */ - . = ALIGN(PAGE_SIZE); - .bss : AT(ADDR(.bss) - LOAD_OFFSET) { -@@ -362,6 +425,7 @@ SECTIONS - __brk_base = .; - . += 64 * 1024; /* 64k alignment slop space */ - *(.brk_reservation) /* areas brk users have reserved */ -+ . = ALIGN(HPAGE_SIZE); - __brk_limit = .; - } - -@@ -388,13 +452,12 @@ SECTIONS - * for the boot processor. - */ - #define INIT_PER_CPU(x) init_per_cpu__##x = x + __per_cpu_load --INIT_PER_CPU(gdt_page); - INIT_PER_CPU(irq_stack_union); - - /* - * Build-time check on the image size: - */ --. = ASSERT((_end - _text <= KERNEL_IMAGE_SIZE), -+. = ASSERT((_end - _text - __KERNEL_TEXT_OFFSET <= KERNEL_IMAGE_SIZE), - "kernel image bigger than KERNEL_IMAGE_SIZE"); - - #ifdef CONFIG_SMP -diff -urNp linux-2.6.39.3/arch/x86/kernel/vsyscall_64.c linux-2.6.39.3/arch/x86/kernel/vsyscall_64.c ---- linux-2.6.39.3/arch/x86/kernel/vsyscall_64.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kernel/vsyscall_64.c 2011-05-22 19:36:30.000000000 -0400 -@@ -80,6 +80,7 @@ void update_vsyscall(struct timespec *wa - - write_seqlock_irqsave(&vsyscall_gtod_data.lock, flags); - /* copy vsyscall data */ -+ strlcpy(vsyscall_gtod_data.clock.name, clock->name, sizeof vsyscall_gtod_data.clock.name); - vsyscall_gtod_data.clock.vread = clock->vread; - vsyscall_gtod_data.clock.cycle_last = clock->cycle_last; - vsyscall_gtod_data.clock.mask = clock->mask; -@@ -208,7 +209,7 @@ vgetcpu(unsigned *cpu, unsigned *node, s - We do this here because otherwise user space would do it on - its own in a likely inferior way (no access to jiffies). - If you don't like it pass NULL. */ -- if (tcache && tcache->blob[0] == (j = __jiffies)) { -+ if (tcache && tcache->blob[0] == (j = jiffies)) { - p = tcache->blob[1]; - } else if (__vgetcpu_mode == VGETCPU_RDTSCP) { - /* Load per CPU data from RDTSCP */ -diff -urNp linux-2.6.39.3/arch/x86/kernel/x8664_ksyms_64.c linux-2.6.39.3/arch/x86/kernel/x8664_ksyms_64.c ---- linux-2.6.39.3/arch/x86/kernel/x8664_ksyms_64.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kernel/x8664_ksyms_64.c 2011-05-22 19:36:30.000000000 -0400 -@@ -29,8 +29,6 @@ EXPORT_SYMBOL(__put_user_8); - EXPORT_SYMBOL(copy_user_generic_string); - EXPORT_SYMBOL(copy_user_generic_unrolled); - EXPORT_SYMBOL(__copy_user_nocache); --EXPORT_SYMBOL(_copy_from_user); --EXPORT_SYMBOL(_copy_to_user); - - EXPORT_SYMBOL(copy_page); - EXPORT_SYMBOL(clear_page); -diff -urNp linux-2.6.39.3/arch/x86/kernel/xsave.c linux-2.6.39.3/arch/x86/kernel/xsave.c ---- linux-2.6.39.3/arch/x86/kernel/xsave.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kernel/xsave.c 2011-05-22 19:36:30.000000000 -0400 -@@ -130,7 +130,7 @@ int check_for_xstate(struct i387_fxsave_ - fx_sw_user->xstate_size > fx_sw_user->extended_size) - return -EINVAL; - -- err = __get_user(magic2, (__u32 *) (((void *)fpstate) + -+ err = __get_user(magic2, (__u32 __user *) (((void __user *)fpstate) + - fx_sw_user->extended_size - - FP_XSTATE_MAGIC2_SIZE)); - if (err) -@@ -267,7 +267,7 @@ fx_only: - * the other extended state. - */ - xrstor_state(init_xstate_buf, pcntxt_mask & ~XSTATE_FPSSE); -- return fxrstor_checking((__force struct i387_fxsave_struct *)buf); -+ return fxrstor_checking((struct i387_fxsave_struct __user *)buf); - } - - /* -@@ -299,7 +299,7 @@ int restore_i387_xstate(void __user *buf - if (use_xsave()) - err = restore_user_xstate(buf); - else -- err = fxrstor_checking((__force struct i387_fxsave_struct *) -+ err = fxrstor_checking((struct i387_fxsave_struct __user *) - buf); - if (unlikely(err)) { - /* -diff -urNp linux-2.6.39.3/arch/x86/kvm/emulate.c linux-2.6.39.3/arch/x86/kvm/emulate.c ---- linux-2.6.39.3/arch/x86/kvm/emulate.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kvm/emulate.c 2011-05-22 19:36:30.000000000 -0400 -@@ -89,7 +89,7 @@ - #define Src2ImmByte (2<<29) - #define Src2One (3<<29) - #define Src2Imm (4<<29) --#define Src2Mask (7<<29) -+#define Src2Mask (7U<<29) - - #define X2(x...) x, x - #define X3(x...) X2(x), x -@@ -190,6 +190,7 @@ struct group_dual { - - #define ____emulate_2op(_op, _src, _dst, _eflags, _x, _y, _suffix, _dsttype) \ - do { \ -+ unsigned long _tmp; \ - __asm__ __volatile__ ( \ - _PRE_EFLAGS("0", "4", "2") \ - _op _suffix " %"_x"3,%1; " \ -@@ -203,8 +204,6 @@ struct group_dual { - /* Raw emulation: instruction has two explicit operands. */ - #define __emulate_2op_nobyte(_op,_src,_dst,_eflags,_wx,_wy,_lx,_ly,_qx,_qy) \ - do { \ -- unsigned long _tmp; \ -- \ - switch ((_dst).bytes) { \ - case 2: \ - ____emulate_2op(_op,_src,_dst,_eflags,_wx,_wy,"w",u16);\ -@@ -220,7 +219,6 @@ struct group_dual { - - #define __emulate_2op(_op,_src,_dst,_eflags,_bx,_by,_wx,_wy,_lx,_ly,_qx,_qy) \ - do { \ -- unsigned long _tmp; \ - switch ((_dst).bytes) { \ - case 1: \ - ____emulate_2op(_op,_src,_dst,_eflags,_bx,_by,"b",u8); \ -diff -urNp linux-2.6.39.3/arch/x86/kvm/lapic.c linux-2.6.39.3/arch/x86/kvm/lapic.c ---- linux-2.6.39.3/arch/x86/kvm/lapic.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kvm/lapic.c 2011-05-22 19:36:30.000000000 -0400 -@@ -53,7 +53,7 @@ - #define APIC_BUS_CYCLE_NS 1 - - /* #define apic_debug(fmt,arg...) printk(KERN_WARNING fmt,##arg) */ --#define apic_debug(fmt, arg...) -+#define apic_debug(fmt, arg...) do {} while (0) - - #define APIC_LVT_NUM 6 - /* 14 is the version for Xeon and Pentium 8.4.8*/ -diff -urNp linux-2.6.39.3/arch/x86/kvm/mmu.c linux-2.6.39.3/arch/x86/kvm/mmu.c ---- linux-2.6.39.3/arch/x86/kvm/mmu.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kvm/mmu.c 2011-05-22 19:36:30.000000000 -0400 -@@ -3240,7 +3240,7 @@ void kvm_mmu_pte_write(struct kvm_vcpu * - - pgprintk("%s: gpa %llx bytes %d\n", __func__, gpa, bytes); - -- invlpg_counter = atomic_read(&vcpu->kvm->arch.invlpg_counter); -+ invlpg_counter = atomic_read_unchecked(&vcpu->kvm->arch.invlpg_counter); - - /* - * Assume that the pte write on a page table of the same type -@@ -3275,7 +3275,7 @@ void kvm_mmu_pte_write(struct kvm_vcpu * - smp_rmb(); - - spin_lock(&vcpu->kvm->mmu_lock); -- if (atomic_read(&vcpu->kvm->arch.invlpg_counter) != invlpg_counter) -+ if (atomic_read_unchecked(&vcpu->kvm->arch.invlpg_counter) != invlpg_counter) - gentry = 0; - kvm_mmu_free_some_pages(vcpu); - ++vcpu->kvm->stat.mmu_pte_write; -diff -urNp linux-2.6.39.3/arch/x86/kvm/paging_tmpl.h linux-2.6.39.3/arch/x86/kvm/paging_tmpl.h ---- linux-2.6.39.3/arch/x86/kvm/paging_tmpl.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kvm/paging_tmpl.h 2011-05-22 19:36:30.000000000 -0400 -@@ -552,6 +552,8 @@ static int FNAME(page_fault)(struct kvm_ - unsigned long mmu_seq; - bool map_writable; - -+ pax_track_stack(); -+ - pgprintk("%s: addr %lx err %x\n", __func__, addr, error_code); - - r = mmu_topup_memory_caches(vcpu); -@@ -672,7 +674,7 @@ static void FNAME(invlpg)(struct kvm_vcp - if (need_flush) - kvm_flush_remote_tlbs(vcpu->kvm); - -- atomic_inc(&vcpu->kvm->arch.invlpg_counter); -+ atomic_inc_unchecked(&vcpu->kvm->arch.invlpg_counter); - - spin_unlock(&vcpu->kvm->mmu_lock); - -diff -urNp linux-2.6.39.3/arch/x86/kvm/svm.c linux-2.6.39.3/arch/x86/kvm/svm.c ---- linux-2.6.39.3/arch/x86/kvm/svm.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kvm/svm.c 2011-05-22 19:36:30.000000000 -0400 -@@ -3278,7 +3278,11 @@ static void reload_tss(struct kvm_vcpu * - int cpu = raw_smp_processor_id(); - - struct svm_cpu_data *sd = per_cpu(svm_data, cpu); -+ -+ pax_open_kernel(); - sd->tss_desc->type = 9; /* available 32/64-bit TSS */ -+ pax_close_kernel(); -+ - load_TR_desc(); - } - -@@ -3656,6 +3660,10 @@ static void svm_vcpu_run(struct kvm_vcpu - #endif - #endif - -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_MEMORY_UDEREF) -+ __set_fs(current_thread_info()->addr_limit); -+#endif -+ - reload_tss(vcpu); - - local_irq_disable(); -@@ -3871,7 +3879,7 @@ static void svm_fpu_deactivate(struct kv - update_cr0_intercept(svm); - } - --static struct kvm_x86_ops svm_x86_ops = { -+static const struct kvm_x86_ops svm_x86_ops = { - .cpu_has_kvm_support = has_svm, - .disabled_by_bios = is_disabled, - .hardware_setup = svm_hardware_setup, -diff -urNp linux-2.6.39.3/arch/x86/kvm/vmx.c linux-2.6.39.3/arch/x86/kvm/vmx.c ---- linux-2.6.39.3/arch/x86/kvm/vmx.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kvm/vmx.c 2011-05-22 19:36:30.000000000 -0400 -@@ -725,7 +725,11 @@ static void reload_tss(void) - struct desc_struct *descs; - - descs = (void *)gdt->address; -+ -+ pax_open_kernel(); - descs[GDT_ENTRY_TSS].type = 9; /* available TSS */ -+ pax_close_kernel(); -+ - load_TR_desc(); - } - -@@ -1648,8 +1652,11 @@ static __init int hardware_setup(void) - if (!cpu_has_vmx_flexpriority()) - flexpriority_enabled = 0; - -- if (!cpu_has_vmx_tpr_shadow()) -- kvm_x86_ops->update_cr8_intercept = NULL; -+ if (!cpu_has_vmx_tpr_shadow()) { -+ pax_open_kernel(); -+ *(void **)&kvm_x86_ops->update_cr8_intercept = NULL; -+ pax_close_kernel(); -+ } - - if (enable_ept && !cpu_has_vmx_ept_2m_page()) - kvm_disable_largepages(); -@@ -2693,7 +2700,7 @@ static int vmx_vcpu_setup(struct vcpu_vm - vmcs_writel(HOST_IDTR_BASE, dt.address); /* 22.2.4 */ - - asm("mov $.Lkvm_vmx_return, %0" : "=r"(kvm_vmx_return)); -- vmcs_writel(HOST_RIP, kvm_vmx_return); /* 22.2.5 */ -+ vmcs_writel(HOST_RIP, ktla_ktva(kvm_vmx_return)); /* 22.2.5 */ - vmcs_write32(VM_EXIT_MSR_STORE_COUNT, 0); - vmcs_write32(VM_EXIT_MSR_LOAD_COUNT, 0); - vmcs_write64(VM_EXIT_MSR_LOAD_ADDR, __pa(vmx->msr_autoload.host)); -@@ -4068,6 +4075,12 @@ static void __noclone vmx_vcpu_run(struc - "jmp .Lkvm_vmx_return \n\t" - ".Llaunched: " __ex(ASM_VMX_VMRESUME) "\n\t" - ".Lkvm_vmx_return: " -+ -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC) -+ "ljmp %[cs],$.Lkvm_vmx_return2\n\t" -+ ".Lkvm_vmx_return2: " -+#endif -+ - /* Save guest registers, load host registers, keep flags */ - "mov %0, %c[wordsize](%%"R"sp) \n\t" - "pop %0 \n\t" -@@ -4116,6 +4129,11 @@ static void __noclone vmx_vcpu_run(struc - #endif - [cr2]"i"(offsetof(struct vcpu_vmx, vcpu.arch.cr2)), - [wordsize]"i"(sizeof(ulong)) -+ -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC) -+ ,[cs]"i"(__KERNEL_CS) -+#endif -+ - : "cc", "memory" - , R"ax", R"bx", R"di", R"si" - #ifdef CONFIG_X86_64 -@@ -4130,7 +4148,16 @@ static void __noclone vmx_vcpu_run(struc - - vmx->idt_vectoring_info = vmcs_read32(IDT_VECTORING_INFO_FIELD); - -- asm("mov %0, %%ds; mov %0, %%es" : : "r"(__USER_DS)); -+ asm("mov %0, %%ds; mov %0, %%es; mov %0, %%ss" : : "r"(__KERNEL_DS)); -+ -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC) -+ loadsegment(fs, __KERNEL_PERCPU); -+#endif -+ -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_MEMORY_UDEREF) -+ __set_fs(current_thread_info()->addr_limit); -+#endif -+ - vmx->launched = 1; - - vmx->exit_reason = vmcs_read32(VM_EXIT_REASON); -@@ -4368,7 +4395,7 @@ static void vmx_set_supported_cpuid(u32 - { - } - --static struct kvm_x86_ops vmx_x86_ops = { -+static const struct kvm_x86_ops vmx_x86_ops = { - .cpu_has_kvm_support = cpu_has_kvm_support, - .disabled_by_bios = vmx_disabled_by_bios, - .hardware_setup = hardware_setup, -diff -urNp linux-2.6.39.3/arch/x86/kvm/x86.c linux-2.6.39.3/arch/x86/kvm/x86.c ---- linux-2.6.39.3/arch/x86/kvm/x86.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/kvm/x86.c 2011-05-22 19:36:30.000000000 -0400 -@@ -94,7 +94,7 @@ static void update_cr8_intercept(struct - static int kvm_dev_ioctl_get_supported_cpuid(struct kvm_cpuid2 *cpuid, - struct kvm_cpuid_entry2 __user *entries); - --struct kvm_x86_ops *kvm_x86_ops; -+const struct kvm_x86_ops *kvm_x86_ops; - EXPORT_SYMBOL_GPL(kvm_x86_ops); - - int ignore_msrs = 0; -@@ -2050,6 +2050,8 @@ long kvm_arch_dev_ioctl(struct file *fil - if (n < msr_list.nmsrs) - goto out; - r = -EFAULT; -+ if (num_msrs_to_save > ARRAY_SIZE(msrs_to_save)) -+ goto out; - if (copy_to_user(user_msr_list->indices, &msrs_to_save, - num_msrs_to_save * sizeof(u32))) - goto out; -@@ -2217,15 +2219,20 @@ static int kvm_vcpu_ioctl_set_cpuid2(str - struct kvm_cpuid2 *cpuid, - struct kvm_cpuid_entry2 __user *entries) - { -- int r; -+ int r, i; - - r = -E2BIG; - if (cpuid->nent > KVM_MAX_CPUID_ENTRIES) - goto out; - r = -EFAULT; -- if (copy_from_user(&vcpu->arch.cpuid_entries, entries, -- cpuid->nent * sizeof(struct kvm_cpuid_entry2))) -+ if (!access_ok(VERIFY_READ, entries, cpuid->nent * sizeof(struct kvm_cpuid_entry2))) - goto out; -+ for (i = 0; i < cpuid->nent; ++i) { -+ struct kvm_cpuid_entry2 cpuid_entry; -+ if (__copy_from_user(&cpuid_entry, entries + i, sizeof(cpuid_entry))) -+ goto out; -+ vcpu->arch.cpuid_entries[i] = cpuid_entry; -+ } - vcpu->arch.cpuid_nent = cpuid->nent; - kvm_apic_set_version(vcpu); - kvm_x86_ops->cpuid_update(vcpu); -@@ -2240,15 +2247,19 @@ static int kvm_vcpu_ioctl_get_cpuid2(str - struct kvm_cpuid2 *cpuid, - struct kvm_cpuid_entry2 __user *entries) - { -- int r; -+ int r, i; - - r = -E2BIG; - if (cpuid->nent < vcpu->arch.cpuid_nent) - goto out; - r = -EFAULT; -- if (copy_to_user(entries, &vcpu->arch.cpuid_entries, -- vcpu->arch.cpuid_nent * sizeof(struct kvm_cpuid_entry2))) -+ if (!access_ok(VERIFY_WRITE, entries, vcpu->arch.cpuid_nent * sizeof(struct kvm_cpuid_entry2))) - goto out; -+ for (i = 0; i < vcpu->arch.cpuid_nent; ++i) { -+ struct kvm_cpuid_entry2 cpuid_entry = vcpu->arch.cpuid_entries[i]; -+ if (__copy_to_user(entries + i, &cpuid_entry, sizeof(cpuid_entry))) -+ goto out; -+ } - return 0; - - out: -@@ -2526,7 +2537,7 @@ static int kvm_vcpu_ioctl_set_lapic(stru - static int kvm_vcpu_ioctl_interrupt(struct kvm_vcpu *vcpu, - struct kvm_interrupt *irq) - { -- if (irq->irq < 0 || irq->irq >= 256) -+ if (irq->irq >= 256) - return -EINVAL; - if (irqchip_in_kernel(vcpu->kvm)) - return -ENXIO; -@@ -4672,7 +4683,7 @@ static unsigned long kvm_get_guest_ip(vo - return ip; - } - --static struct perf_guest_info_callbacks kvm_guest_cbs = { -+static const struct perf_guest_info_callbacks kvm_guest_cbs = { - .is_in_guest = kvm_is_in_guest, - .is_user_mode = kvm_is_user_mode, - .get_guest_ip = kvm_get_guest_ip, -@@ -4690,10 +4701,10 @@ void kvm_after_handle_nmi(struct kvm_vcp - } - EXPORT_SYMBOL_GPL(kvm_after_handle_nmi); - --int kvm_arch_init(void *opaque) -+int kvm_arch_init(const void *opaque) - { - int r; -- struct kvm_x86_ops *ops = (struct kvm_x86_ops *)opaque; -+ const struct kvm_x86_ops *ops = (const struct kvm_x86_ops *)opaque; - - if (kvm_x86_ops) { - printk(KERN_ERR "kvm: already loaded the other module\n"); -diff -urNp linux-2.6.39.3/arch/x86/lib/atomic64_32.c linux-2.6.39.3/arch/x86/lib/atomic64_32.c ---- linux-2.6.39.3/arch/x86/lib/atomic64_32.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/lib/atomic64_32.c 2011-05-22 19:36:30.000000000 -0400 -@@ -8,18 +8,30 @@ - - long long atomic64_read_cx8(long long, const atomic64_t *v); - EXPORT_SYMBOL(atomic64_read_cx8); -+long long atomic64_read_unchecked_cx8(long long, const atomic64_unchecked_t *v); -+EXPORT_SYMBOL(atomic64_read_unchecked_cx8); - long long atomic64_set_cx8(long long, const atomic64_t *v); - EXPORT_SYMBOL(atomic64_set_cx8); -+long long atomic64_set_unchecked_cx8(long long, const atomic64_unchecked_t *v); -+EXPORT_SYMBOL(atomic64_set_unchecked_cx8); - long long atomic64_xchg_cx8(long long, unsigned high); - EXPORT_SYMBOL(atomic64_xchg_cx8); - long long atomic64_add_return_cx8(long long a, atomic64_t *v); - EXPORT_SYMBOL(atomic64_add_return_cx8); -+long long atomic64_add_return_unchecked_cx8(long long a, atomic64_unchecked_t *v); -+EXPORT_SYMBOL(atomic64_add_return_unchecked_cx8); - long long atomic64_sub_return_cx8(long long a, atomic64_t *v); - EXPORT_SYMBOL(atomic64_sub_return_cx8); -+long long atomic64_sub_return_unchecked_cx8(long long a, atomic64_unchecked_t *v); -+EXPORT_SYMBOL(atomic64_sub_return_unchecked_cx8); - long long atomic64_inc_return_cx8(long long a, atomic64_t *v); - EXPORT_SYMBOL(atomic64_inc_return_cx8); -+long long atomic64_inc_return_unchecked_cx8(long long a, atomic64_unchecked_t *v); -+EXPORT_SYMBOL(atomic64_inc_return_unchecked_cx8); - long long atomic64_dec_return_cx8(long long a, atomic64_t *v); - EXPORT_SYMBOL(atomic64_dec_return_cx8); -+long long atomic64_dec_return_unchecked_cx8(long long a, atomic64_unchecked_t *v); -+EXPORT_SYMBOL(atomic64_dec_return_unchecked_cx8); - long long atomic64_dec_if_positive_cx8(atomic64_t *v); - EXPORT_SYMBOL(atomic64_dec_if_positive_cx8); - int atomic64_inc_not_zero_cx8(atomic64_t *v); -@@ -30,26 +42,46 @@ EXPORT_SYMBOL(atomic64_add_unless_cx8); - #ifndef CONFIG_X86_CMPXCHG64 - long long atomic64_read_386(long long, const atomic64_t *v); - EXPORT_SYMBOL(atomic64_read_386); -+long long atomic64_read_unchecked_386(long long, const atomic64_unchecked_t *v); -+EXPORT_SYMBOL(atomic64_read_unchecked_386); - long long atomic64_set_386(long long, const atomic64_t *v); - EXPORT_SYMBOL(atomic64_set_386); -+long long atomic64_set_unchecked_386(long long, const atomic64_unchecked_t *v); -+EXPORT_SYMBOL(atomic64_set_unchecked_386); - long long atomic64_xchg_386(long long, unsigned high); - EXPORT_SYMBOL(atomic64_xchg_386); - long long atomic64_add_return_386(long long a, atomic64_t *v); - EXPORT_SYMBOL(atomic64_add_return_386); -+long long atomic64_add_return_unchecked_386(long long a, atomic64_unchecked_t *v); -+EXPORT_SYMBOL(atomic64_add_return_unchecked_386); - long long atomic64_sub_return_386(long long a, atomic64_t *v); - EXPORT_SYMBOL(atomic64_sub_return_386); -+long long atomic64_sub_return_unchecked_386(long long a, atomic64_unchecked_t *v); -+EXPORT_SYMBOL(atomic64_sub_return_unchecked_386); - long long atomic64_inc_return_386(long long a, atomic64_t *v); - EXPORT_SYMBOL(atomic64_inc_return_386); -+long long atomic64_inc_return_unchecked_386(long long a, atomic64_unchecked_t *v); -+EXPORT_SYMBOL(atomic64_inc_return_unchecked_386); - long long atomic64_dec_return_386(long long a, atomic64_t *v); - EXPORT_SYMBOL(atomic64_dec_return_386); -+long long atomic64_dec_return_unchecked_386(long long a, atomic64_unchecked_t *v); -+EXPORT_SYMBOL(atomic64_dec_return_unchecked_386); - long long atomic64_add_386(long long a, atomic64_t *v); - EXPORT_SYMBOL(atomic64_add_386); -+long long atomic64_add_unchecked_386(long long a, atomic64_unchecked_t *v); -+EXPORT_SYMBOL(atomic64_add_unchecked_386); - long long atomic64_sub_386(long long a, atomic64_t *v); - EXPORT_SYMBOL(atomic64_sub_386); -+long long atomic64_sub_unchecked_386(long long a, atomic64_unchecked_t *v); -+EXPORT_SYMBOL(atomic64_sub_unchecked_386); - long long atomic64_inc_386(long long a, atomic64_t *v); - EXPORT_SYMBOL(atomic64_inc_386); -+long long atomic64_inc_unchecked_386(long long a, atomic64_unchecked_t *v); -+EXPORT_SYMBOL(atomic64_inc_unchecked_386); - long long atomic64_dec_386(long long a, atomic64_t *v); - EXPORT_SYMBOL(atomic64_dec_386); -+long long atomic64_dec_unchecked_386(long long a, atomic64_unchecked_t *v); -+EXPORT_SYMBOL(atomic64_dec_unchecked_386); - long long atomic64_dec_if_positive_386(atomic64_t *v); - EXPORT_SYMBOL(atomic64_dec_if_positive_386); - int atomic64_inc_not_zero_386(atomic64_t *v); -diff -urNp linux-2.6.39.3/arch/x86/lib/atomic64_386_32.S linux-2.6.39.3/arch/x86/lib/atomic64_386_32.S ---- linux-2.6.39.3/arch/x86/lib/atomic64_386_32.S 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/lib/atomic64_386_32.S 2011-05-22 19:36:30.000000000 -0400 -@@ -48,6 +48,10 @@ BEGIN(read) - movl (v), %eax - movl 4(v), %edx - RET_ENDP -+BEGIN(read_unchecked) -+ movl (v), %eax -+ movl 4(v), %edx -+RET_ENDP - #undef v - - #define v %esi -@@ -55,6 +59,10 @@ BEGIN(set) - movl %ebx, (v) - movl %ecx, 4(v) - RET_ENDP -+BEGIN(set_unchecked) -+ movl %ebx, (v) -+ movl %ecx, 4(v) -+RET_ENDP - #undef v - - #define v %esi -@@ -70,6 +78,20 @@ RET_ENDP - BEGIN(add) - addl %eax, (v) - adcl %edx, 4(v) -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ jno 0f -+ subl %eax, (v) -+ sbbl %edx, 4(v) -+ int $4 -+0: -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ -+RET_ENDP -+BEGIN(add_unchecked) -+ addl %eax, (v) -+ adcl %edx, 4(v) - RET_ENDP - #undef v - -@@ -77,6 +99,24 @@ RET_ENDP - BEGIN(add_return) - addl (v), %eax - adcl 4(v), %edx -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ into -+1234: -+ _ASM_EXTABLE(1234b, 2f) -+#endif -+ -+ movl %eax, (v) -+ movl %edx, 4(v) -+ -+#ifdef CONFIG_PAX_REFCOUNT -+2: -+#endif -+ -+RET_ENDP -+BEGIN(add_return_unchecked) -+ addl (v), %eax -+ adcl 4(v), %edx - movl %eax, (v) - movl %edx, 4(v) - RET_ENDP -@@ -86,6 +126,20 @@ RET_ENDP - BEGIN(sub) - subl %eax, (v) - sbbl %edx, 4(v) -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ jno 0f -+ addl %eax, (v) -+ adcl %edx, 4(v) -+ int $4 -+0: -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ -+RET_ENDP -+BEGIN(sub_unchecked) -+ subl %eax, (v) -+ sbbl %edx, 4(v) - RET_ENDP - #undef v - -@@ -96,6 +150,27 @@ BEGIN(sub_return) - sbbl $0, %edx - addl (v), %eax - adcl 4(v), %edx -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ into -+1234: -+ _ASM_EXTABLE(1234b, 2f) -+#endif -+ -+ movl %eax, (v) -+ movl %edx, 4(v) -+ -+#ifdef CONFIG_PAX_REFCOUNT -+2: -+#endif -+ -+RET_ENDP -+BEGIN(sub_return_unchecked) -+ negl %edx -+ negl %eax -+ sbbl $0, %edx -+ addl (v), %eax -+ adcl 4(v), %edx - movl %eax, (v) - movl %edx, 4(v) - RET_ENDP -@@ -105,6 +180,20 @@ RET_ENDP - BEGIN(inc) - addl $1, (v) - adcl $0, 4(v) -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ jno 0f -+ subl $1, (v) -+ sbbl $0, 4(v) -+ int $4 -+0: -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ -+RET_ENDP -+BEGIN(inc_unchecked) -+ addl $1, (v) -+ adcl $0, 4(v) - RET_ENDP - #undef v - -@@ -114,6 +203,26 @@ BEGIN(inc_return) - movl 4(v), %edx - addl $1, %eax - adcl $0, %edx -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ into -+1234: -+ _ASM_EXTABLE(1234b, 2f) -+#endif -+ -+ movl %eax, (v) -+ movl %edx, 4(v) -+ -+#ifdef CONFIG_PAX_REFCOUNT -+2: -+#endif -+ -+RET_ENDP -+BEGIN(inc_return_unchecked) -+ movl (v), %eax -+ movl 4(v), %edx -+ addl $1, %eax -+ adcl $0, %edx - movl %eax, (v) - movl %edx, 4(v) - RET_ENDP -@@ -123,6 +232,20 @@ RET_ENDP - BEGIN(dec) - subl $1, (v) - sbbl $0, 4(v) -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ jno 0f -+ addl $1, (v) -+ adcl $0, 4(v) -+ int $4 -+0: -+ _ASM_EXTABLE(0b, 0b) -+#endif -+ -+RET_ENDP -+BEGIN(dec_unchecked) -+ subl $1, (v) -+ sbbl $0, 4(v) - RET_ENDP - #undef v - -@@ -132,6 +255,26 @@ BEGIN(dec_return) - movl 4(v), %edx - subl $1, %eax - sbbl $0, %edx -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ into -+1234: -+ _ASM_EXTABLE(1234b, 2f) -+#endif -+ -+ movl %eax, (v) -+ movl %edx, 4(v) -+ -+#ifdef CONFIG_PAX_REFCOUNT -+2: -+#endif -+ -+RET_ENDP -+BEGIN(dec_return_unchecked) -+ movl (v), %eax -+ movl 4(v), %edx -+ subl $1, %eax -+ sbbl $0, %edx - movl %eax, (v) - movl %edx, 4(v) - RET_ENDP -@@ -143,6 +286,13 @@ BEGIN(add_unless) - adcl %edx, %edi - addl (v), %eax - adcl 4(v), %edx -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ into -+1234: -+ _ASM_EXTABLE(1234b, 2f) -+#endif -+ - cmpl %eax, %esi - je 3f - 1: -@@ -168,6 +318,13 @@ BEGIN(inc_not_zero) - 1: - addl $1, %eax - adcl $0, %edx -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ into -+1234: -+ _ASM_EXTABLE(1234b, 2f) -+#endif -+ - movl %eax, (v) - movl %edx, 4(v) - movl $1, %eax -@@ -186,6 +343,13 @@ BEGIN(dec_if_positive) - movl 4(v), %edx - subl $1, %eax - sbbl $0, %edx -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ into -+1234: -+ _ASM_EXTABLE(1234b, 1f) -+#endif -+ - js 1f - movl %eax, (v) - movl %edx, 4(v) -diff -urNp linux-2.6.39.3/arch/x86/lib/atomic64_cx8_32.S linux-2.6.39.3/arch/x86/lib/atomic64_cx8_32.S ---- linux-2.6.39.3/arch/x86/lib/atomic64_cx8_32.S 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/lib/atomic64_cx8_32.S 2011-05-22 19:36:30.000000000 -0400 -@@ -39,6 +39,14 @@ ENTRY(atomic64_read_cx8) - CFI_ENDPROC - ENDPROC(atomic64_read_cx8) - -+ENTRY(atomic64_read_unchecked_cx8) -+ CFI_STARTPROC -+ -+ read64 %ecx -+ ret -+ CFI_ENDPROC -+ENDPROC(atomic64_read_unchecked_cx8) -+ - ENTRY(atomic64_set_cx8) - CFI_STARTPROC - -@@ -52,6 +60,19 @@ ENTRY(atomic64_set_cx8) - CFI_ENDPROC - ENDPROC(atomic64_set_cx8) - -+ENTRY(atomic64_set_unchecked_cx8) -+ CFI_STARTPROC -+ -+1: -+/* we don't need LOCK_PREFIX since aligned 64-bit writes -+ * are atomic on 586 and newer */ -+ cmpxchg8b (%esi) -+ jne 1b -+ -+ ret -+ CFI_ENDPROC -+ENDPROC(atomic64_set_unchecked_cx8) -+ - ENTRY(atomic64_xchg_cx8) - CFI_STARTPROC - -@@ -66,8 +87,8 @@ ENTRY(atomic64_xchg_cx8) - CFI_ENDPROC - ENDPROC(atomic64_xchg_cx8) - --.macro addsub_return func ins insc --ENTRY(atomic64_\func\()_return_cx8) -+.macro addsub_return func ins insc unchecked="" -+ENTRY(atomic64_\func\()_return\unchecked\()_cx8) - CFI_STARTPROC - SAVE ebp - SAVE ebx -@@ -84,27 +105,43 @@ ENTRY(atomic64_\func\()_return_cx8) - movl %edx, %ecx - \ins\()l %esi, %ebx - \insc\()l %edi, %ecx -+ -+.ifb \unchecked -+#ifdef CONFIG_PAX_REFCOUNT -+ into -+2: -+ _ASM_EXTABLE(2b, 3f) -+#endif -+.endif -+ - LOCK_PREFIX - cmpxchg8b (%ebp) - jne 1b -- --10: - movl %ebx, %eax - movl %ecx, %edx -+ -+.ifb \unchecked -+#ifdef CONFIG_PAX_REFCOUNT -+3: -+#endif -+.endif -+ - RESTORE edi - RESTORE esi - RESTORE ebx - RESTORE ebp - ret - CFI_ENDPROC --ENDPROC(atomic64_\func\()_return_cx8) -+ENDPROC(atomic64_\func\()_return\unchecked\()_cx8) - .endm - - addsub_return add add adc - addsub_return sub sub sbb -+addsub_return add add adc _unchecked -+addsub_return sub sub sbb _unchecked - --.macro incdec_return func ins insc --ENTRY(atomic64_\func\()_return_cx8) -+.macro incdec_return func ins insc unchecked -+ENTRY(atomic64_\func\()_return\unchecked\()_cx8) - CFI_STARTPROC - SAVE ebx - -@@ -114,21 +151,38 @@ ENTRY(atomic64_\func\()_return_cx8) - movl %edx, %ecx - \ins\()l $1, %ebx - \insc\()l $0, %ecx -+ -+.ifb \unchecked -+#ifdef CONFIG_PAX_REFCOUNT -+ into -+2: -+ _ASM_EXTABLE(2b, 3f) -+#endif -+.endif -+ - LOCK_PREFIX - cmpxchg8b (%esi) - jne 1b - --10: - movl %ebx, %eax - movl %ecx, %edx -+ -+.ifb \unchecked -+#ifdef CONFIG_PAX_REFCOUNT -+3: -+#endif -+.endif -+ - RESTORE ebx - ret - CFI_ENDPROC --ENDPROC(atomic64_\func\()_return_cx8) -+ENDPROC(atomic64_\func\()_return\unchecked\()_cx8) - .endm - - incdec_return inc add adc - incdec_return dec sub sbb -+incdec_return inc add adc _unchecked -+incdec_return dec sub sbb _unchecked - - ENTRY(atomic64_dec_if_positive_cx8) - CFI_STARTPROC -@@ -140,6 +194,13 @@ ENTRY(atomic64_dec_if_positive_cx8) - movl %edx, %ecx - subl $1, %ebx - sbb $0, %ecx -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ into -+1234: -+ _ASM_EXTABLE(1234b, 2f) -+#endif -+ - js 2f - LOCK_PREFIX - cmpxchg8b (%esi) -@@ -174,6 +235,13 @@ ENTRY(atomic64_add_unless_cx8) - movl %edx, %ecx - addl %esi, %ebx - adcl %edi, %ecx -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ into -+1234: -+ _ASM_EXTABLE(1234b, 3f) -+#endif -+ - LOCK_PREFIX - cmpxchg8b (%ebp) - jne 1b -@@ -206,6 +274,13 @@ ENTRY(atomic64_inc_not_zero_cx8) - movl %edx, %ecx - addl $1, %ebx - adcl $0, %ecx -+ -+#ifdef CONFIG_PAX_REFCOUNT -+ into -+1234: -+ _ASM_EXTABLE(1234b, 3f) -+#endif -+ - LOCK_PREFIX - cmpxchg8b (%esi) - jne 1b -diff -urNp linux-2.6.39.3/arch/x86/lib/checksum_32.S linux-2.6.39.3/arch/x86/lib/checksum_32.S ---- linux-2.6.39.3/arch/x86/lib/checksum_32.S 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/lib/checksum_32.S 2011-05-22 19:36:30.000000000 -0400 -@@ -28,7 +28,8 @@ - #include <linux/linkage.h> - #include <asm/dwarf2.h> - #include <asm/errno.h> -- -+#include <asm/segment.h> -+ - /* - * computes a partial checksum, e.g. for TCP/UDP fragments - */ -@@ -296,9 +297,24 @@ unsigned int csum_partial_copy_generic ( - - #define ARGBASE 16 - #define FP 12 -- --ENTRY(csum_partial_copy_generic) -+ -+ENTRY(csum_partial_copy_generic_to_user) - CFI_STARTPROC -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ pushl_cfi %gs -+ popl_cfi %es -+ jmp csum_partial_copy_generic -+#endif -+ -+ENTRY(csum_partial_copy_generic_from_user) -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ pushl_cfi %gs -+ popl_cfi %ds -+#endif -+ -+ENTRY(csum_partial_copy_generic) - subl $4,%esp - CFI_ADJUST_CFA_OFFSET 4 - pushl_cfi %edi -@@ -320,7 +336,7 @@ ENTRY(csum_partial_copy_generic) - jmp 4f - SRC(1: movw (%esi), %bx ) - addl $2, %esi --DST( movw %bx, (%edi) ) -+DST( movw %bx, %es:(%edi) ) - addl $2, %edi - addw %bx, %ax - adcl $0, %eax -@@ -332,30 +348,30 @@ DST( movw %bx, (%edi) ) - SRC(1: movl (%esi), %ebx ) - SRC( movl 4(%esi), %edx ) - adcl %ebx, %eax --DST( movl %ebx, (%edi) ) -+DST( movl %ebx, %es:(%edi) ) - adcl %edx, %eax --DST( movl %edx, 4(%edi) ) -+DST( movl %edx, %es:4(%edi) ) - - SRC( movl 8(%esi), %ebx ) - SRC( movl 12(%esi), %edx ) - adcl %ebx, %eax --DST( movl %ebx, 8(%edi) ) -+DST( movl %ebx, %es:8(%edi) ) - adcl %edx, %eax --DST( movl %edx, 12(%edi) ) -+DST( movl %edx, %es:12(%edi) ) - - SRC( movl 16(%esi), %ebx ) - SRC( movl 20(%esi), %edx ) - adcl %ebx, %eax --DST( movl %ebx, 16(%edi) ) -+DST( movl %ebx, %es:16(%edi) ) - adcl %edx, %eax --DST( movl %edx, 20(%edi) ) -+DST( movl %edx, %es:20(%edi) ) - - SRC( movl 24(%esi), %ebx ) - SRC( movl 28(%esi), %edx ) - adcl %ebx, %eax --DST( movl %ebx, 24(%edi) ) -+DST( movl %ebx, %es:24(%edi) ) - adcl %edx, %eax --DST( movl %edx, 28(%edi) ) -+DST( movl %edx, %es:28(%edi) ) - - lea 32(%esi), %esi - lea 32(%edi), %edi -@@ -369,7 +385,7 @@ DST( movl %edx, 28(%edi) ) - shrl $2, %edx # This clears CF - SRC(3: movl (%esi), %ebx ) - adcl %ebx, %eax --DST( movl %ebx, (%edi) ) -+DST( movl %ebx, %es:(%edi) ) - lea 4(%esi), %esi - lea 4(%edi), %edi - dec %edx -@@ -381,12 +397,12 @@ DST( movl %ebx, (%edi) ) - jb 5f - SRC( movw (%esi), %cx ) - leal 2(%esi), %esi --DST( movw %cx, (%edi) ) -+DST( movw %cx, %es:(%edi) ) - leal 2(%edi), %edi - je 6f - shll $16,%ecx - SRC(5: movb (%esi), %cl ) --DST( movb %cl, (%edi) ) -+DST( movb %cl, %es:(%edi) ) - 6: addl %ecx, %eax - adcl $0, %eax - 7: -@@ -397,7 +413,7 @@ DST( movb %cl, (%edi) ) - - 6001: - movl ARGBASE+20(%esp), %ebx # src_err_ptr -- movl $-EFAULT, (%ebx) -+ movl $-EFAULT, %ss:(%ebx) - - # zero the complete destination - computing the rest - # is too much work -@@ -410,11 +426,15 @@ DST( movb %cl, (%edi) ) - - 6002: - movl ARGBASE+24(%esp), %ebx # dst_err_ptr -- movl $-EFAULT,(%ebx) -+ movl $-EFAULT,%ss:(%ebx) - jmp 5000b - - .previous - -+ pushl_cfi %ss -+ popl_cfi %ds -+ pushl_cfi %ss -+ popl_cfi %es - popl_cfi %ebx - CFI_RESTORE ebx - popl_cfi %esi -@@ -424,26 +444,43 @@ DST( movb %cl, (%edi) ) - popl_cfi %ecx # equivalent to addl $4,%esp - ret - CFI_ENDPROC --ENDPROC(csum_partial_copy_generic) -+ENDPROC(csum_partial_copy_generic_to_user) - - #else - - /* Version for PentiumII/PPro */ - - #define ROUND1(x) \ -+ nop; nop; nop; \ - SRC(movl x(%esi), %ebx ) ; \ - addl %ebx, %eax ; \ -- DST(movl %ebx, x(%edi) ) ; -+ DST(movl %ebx, %es:x(%edi)) ; - - #define ROUND(x) \ -+ nop; nop; nop; \ - SRC(movl x(%esi), %ebx ) ; \ - adcl %ebx, %eax ; \ -- DST(movl %ebx, x(%edi) ) ; -+ DST(movl %ebx, %es:x(%edi)) ; - - #define ARGBASE 12 -- --ENTRY(csum_partial_copy_generic) -+ -+ENTRY(csum_partial_copy_generic_to_user) - CFI_STARTPROC -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ pushl_cfi %gs -+ popl_cfi %es -+ jmp csum_partial_copy_generic -+#endif -+ -+ENTRY(csum_partial_copy_generic_from_user) -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ pushl_cfi %gs -+ popl_cfi %ds -+#endif -+ -+ENTRY(csum_partial_copy_generic) - pushl_cfi %ebx - CFI_REL_OFFSET ebx, 0 - pushl_cfi %edi -@@ -464,7 +501,7 @@ ENTRY(csum_partial_copy_generic) - subl %ebx, %edi - lea -1(%esi),%edx - andl $-32,%edx -- lea 3f(%ebx,%ebx), %ebx -+ lea 3f(%ebx,%ebx,2), %ebx - testl %esi, %esi - jmp *%ebx - 1: addl $64,%esi -@@ -485,19 +522,19 @@ ENTRY(csum_partial_copy_generic) - jb 5f - SRC( movw (%esi), %dx ) - leal 2(%esi), %esi --DST( movw %dx, (%edi) ) -+DST( movw %dx, %es:(%edi) ) - leal 2(%edi), %edi - je 6f - shll $16,%edx - 5: - SRC( movb (%esi), %dl ) --DST( movb %dl, (%edi) ) -+DST( movb %dl, %es:(%edi) ) - 6: addl %edx, %eax - adcl $0, %eax - 7: - .section .fixup, "ax" - 6001: movl ARGBASE+20(%esp), %ebx # src_err_ptr -- movl $-EFAULT, (%ebx) -+ movl $-EFAULT, %ss:(%ebx) - # zero the complete destination (computing the rest is too much work) - movl ARGBASE+8(%esp),%edi # dst - movl ARGBASE+12(%esp),%ecx # len -@@ -505,10 +542,17 @@ DST( movb %dl, (%edi) ) - rep; stosb - jmp 7b - 6002: movl ARGBASE+24(%esp), %ebx # dst_err_ptr -- movl $-EFAULT, (%ebx) -+ movl $-EFAULT, %ss:(%ebx) - jmp 7b - .previous - -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ pushl_cfi %ss -+ popl_cfi %ds -+ pushl_cfi %ss -+ popl_cfi %es -+#endif -+ - popl_cfi %esi - CFI_RESTORE esi - popl_cfi %edi -@@ -517,7 +561,7 @@ DST( movb %dl, (%edi) ) - CFI_RESTORE ebx - ret - CFI_ENDPROC --ENDPROC(csum_partial_copy_generic) -+ENDPROC(csum_partial_copy_generic_to_user) - - #undef ROUND - #undef ROUND1 -diff -urNp linux-2.6.39.3/arch/x86/lib/clear_page_64.S linux-2.6.39.3/arch/x86/lib/clear_page_64.S ---- linux-2.6.39.3/arch/x86/lib/clear_page_64.S 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/lib/clear_page_64.S 2011-05-22 19:36:30.000000000 -0400 -@@ -43,7 +43,7 @@ ENDPROC(clear_page) - - #include <asm/cpufeature.h> - -- .section .altinstr_replacement,"ax" -+ .section .altinstr_replacement,"a" - 1: .byte 0xeb /* jmp <disp8> */ - .byte (clear_page_c - clear_page) - (2f - 1b) /* offset */ - 2: -diff -urNp linux-2.6.39.3/arch/x86/lib/copy_page_64.S linux-2.6.39.3/arch/x86/lib/copy_page_64.S ---- linux-2.6.39.3/arch/x86/lib/copy_page_64.S 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/lib/copy_page_64.S 2011-05-22 19:36:30.000000000 -0400 -@@ -104,7 +104,7 @@ ENDPROC(copy_page) - - #include <asm/cpufeature.h> - -- .section .altinstr_replacement,"ax" -+ .section .altinstr_replacement,"a" - 1: .byte 0xeb /* jmp <disp8> */ - .byte (copy_page_c - copy_page) - (2f - 1b) /* offset */ - 2: -diff -urNp linux-2.6.39.3/arch/x86/lib/copy_user_64.S linux-2.6.39.3/arch/x86/lib/copy_user_64.S ---- linux-2.6.39.3/arch/x86/lib/copy_user_64.S 2011-06-03 00:04:13.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/lib/copy_user_64.S 2011-06-03 00:32:05.000000000 -0400 -@@ -15,13 +15,14 @@ - #include <asm/asm-offsets.h> - #include <asm/thread_info.h> - #include <asm/cpufeature.h> -+#include <asm/pgtable.h> - - .macro ALTERNATIVE_JUMP feature,orig,alt - 0: - .byte 0xe9 /* 32bit jump */ - .long \orig-1f /* by default jump to orig */ - 1: -- .section .altinstr_replacement,"ax" -+ .section .altinstr_replacement,"a" - 2: .byte 0xe9 /* near jump with 32bit immediate */ - .long \alt-1b /* offset */ /* or alternatively to alt */ - .previous -@@ -64,37 +65,13 @@ - #endif - .endm - --/* Standard copy_to_user with segment limit checking */ --ENTRY(_copy_to_user) -- CFI_STARTPROC -- GET_THREAD_INFO(%rax) -- movq %rdi,%rcx -- addq %rdx,%rcx -- jc bad_to_user -- cmpq TI_addr_limit(%rax),%rcx -- ja bad_to_user -- ALTERNATIVE_JUMP X86_FEATURE_REP_GOOD,copy_user_generic_unrolled,copy_user_generic_string -- CFI_ENDPROC --ENDPROC(_copy_to_user) -- --/* Standard copy_from_user with segment limit checking */ --ENTRY(_copy_from_user) -- CFI_STARTPROC -- GET_THREAD_INFO(%rax) -- movq %rsi,%rcx -- addq %rdx,%rcx -- jc bad_from_user -- cmpq TI_addr_limit(%rax),%rcx -- ja bad_from_user -- ALTERNATIVE_JUMP X86_FEATURE_REP_GOOD,copy_user_generic_unrolled,copy_user_generic_string -- CFI_ENDPROC --ENDPROC(_copy_from_user) -- - .section .fixup,"ax" - /* must zero dest */ - ENTRY(bad_from_user) - bad_from_user: - CFI_STARTPROC -+ testl %edx,%edx -+ js bad_to_user - movl %edx,%ecx - xorl %eax,%eax - rep -diff -urNp linux-2.6.39.3/arch/x86/lib/copy_user_nocache_64.S linux-2.6.39.3/arch/x86/lib/copy_user_nocache_64.S ---- linux-2.6.39.3/arch/x86/lib/copy_user_nocache_64.S 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/lib/copy_user_nocache_64.S 2011-05-22 19:36:30.000000000 -0400 -@@ -14,6 +14,7 @@ - #include <asm/current.h> - #include <asm/asm-offsets.h> - #include <asm/thread_info.h> -+#include <asm/pgtable.h> - - .macro ALIGN_DESTINATION - #ifdef FIX_ALIGNMENT -@@ -50,6 +51,15 @@ - */ - ENTRY(__copy_user_nocache) - CFI_STARTPROC -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ mov $PAX_USER_SHADOW_BASE,%rcx -+ cmp %rcx,%rsi -+ jae 1f -+ add %rcx,%rsi -+1: -+#endif -+ - cmpl $8,%edx - jb 20f /* less then 8 bytes, go to byte copy loop */ - ALIGN_DESTINATION -diff -urNp linux-2.6.39.3/arch/x86/lib/csum-wrappers_64.c linux-2.6.39.3/arch/x86/lib/csum-wrappers_64.c ---- linux-2.6.39.3/arch/x86/lib/csum-wrappers_64.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/lib/csum-wrappers_64.c 2011-05-22 19:36:30.000000000 -0400 -@@ -52,6 +52,12 @@ csum_partial_copy_from_user(const void _ - len -= 2; - } - } -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ if ((unsigned long)src < PAX_USER_SHADOW_BASE) -+ src += PAX_USER_SHADOW_BASE; -+#endif -+ - isum = csum_partial_copy_generic((__force const void *)src, - dst, len, isum, errp, NULL); - if (unlikely(*errp)) -@@ -105,6 +111,12 @@ csum_partial_copy_to_user(const void *sr - } - - *errp = 0; -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ if ((unsigned long)dst < PAX_USER_SHADOW_BASE) -+ dst += PAX_USER_SHADOW_BASE; -+#endif -+ - return csum_partial_copy_generic(src, (void __force *)dst, - len, isum, NULL, errp); - } -diff -urNp linux-2.6.39.3/arch/x86/lib/getuser.S linux-2.6.39.3/arch/x86/lib/getuser.S ---- linux-2.6.39.3/arch/x86/lib/getuser.S 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/lib/getuser.S 2011-05-22 19:36:30.000000000 -0400 -@@ -33,14 +33,35 @@ - #include <asm/asm-offsets.h> - #include <asm/thread_info.h> - #include <asm/asm.h> -+#include <asm/segment.h> -+#include <asm/pgtable.h> -+ -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_MEMORY_UDEREF) -+#define __copyuser_seg gs; -+#else -+#define __copyuser_seg -+#endif - - .text - ENTRY(__get_user_1) - CFI_STARTPROC -+ -+#if !defined(CONFIG_X86_32) || !defined(CONFIG_PAX_MEMORY_UDEREF) - GET_THREAD_INFO(%_ASM_DX) - cmp TI_addr_limit(%_ASM_DX),%_ASM_AX - jae bad_get_user --1: movzb (%_ASM_AX),%edx -+ -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+ mov $PAX_USER_SHADOW_BASE,%_ASM_DX -+ cmp %_ASM_DX,%_ASM_AX -+ jae 1234f -+ add %_ASM_DX,%_ASM_AX -+1234: -+#endif -+ -+#endif -+ -+1: __copyuser_seg movzb (%_ASM_AX),%edx - xor %eax,%eax - ret - CFI_ENDPROC -@@ -49,11 +70,24 @@ ENDPROC(__get_user_1) - ENTRY(__get_user_2) - CFI_STARTPROC - add $1,%_ASM_AX -+ -+#if !defined(CONFIG_X86_32) || !defined(CONFIG_PAX_MEMORY_UDEREF) - jc bad_get_user - GET_THREAD_INFO(%_ASM_DX) - cmp TI_addr_limit(%_ASM_DX),%_ASM_AX - jae bad_get_user --2: movzwl -1(%_ASM_AX),%edx -+ -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+ mov $PAX_USER_SHADOW_BASE,%_ASM_DX -+ cmp %_ASM_DX,%_ASM_AX -+ jae 1234f -+ add %_ASM_DX,%_ASM_AX -+1234: -+#endif -+ -+#endif -+ -+2: __copyuser_seg movzwl -1(%_ASM_AX),%edx - xor %eax,%eax - ret - CFI_ENDPROC -@@ -62,11 +96,24 @@ ENDPROC(__get_user_2) - ENTRY(__get_user_4) - CFI_STARTPROC - add $3,%_ASM_AX -+ -+#if !defined(CONFIG_X86_32) || !defined(CONFIG_PAX_MEMORY_UDEREF) - jc bad_get_user - GET_THREAD_INFO(%_ASM_DX) - cmp TI_addr_limit(%_ASM_DX),%_ASM_AX - jae bad_get_user --3: mov -3(%_ASM_AX),%edx -+ -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+ mov $PAX_USER_SHADOW_BASE,%_ASM_DX -+ cmp %_ASM_DX,%_ASM_AX -+ jae 1234f -+ add %_ASM_DX,%_ASM_AX -+1234: -+#endif -+ -+#endif -+ -+3: __copyuser_seg mov -3(%_ASM_AX),%edx - xor %eax,%eax - ret - CFI_ENDPROC -@@ -80,6 +127,15 @@ ENTRY(__get_user_8) - GET_THREAD_INFO(%_ASM_DX) - cmp TI_addr_limit(%_ASM_DX),%_ASM_AX - jae bad_get_user -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ mov $PAX_USER_SHADOW_BASE,%_ASM_DX -+ cmp %_ASM_DX,%_ASM_AX -+ jae 1234f -+ add %_ASM_DX,%_ASM_AX -+1234: -+#endif -+ - 4: movq -7(%_ASM_AX),%_ASM_DX - xor %eax,%eax - ret -diff -urNp linux-2.6.39.3/arch/x86/lib/insn.c linux-2.6.39.3/arch/x86/lib/insn.c ---- linux-2.6.39.3/arch/x86/lib/insn.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/lib/insn.c 2011-05-22 19:36:30.000000000 -0400 -@@ -21,6 +21,11 @@ - #include <linux/string.h> - #include <asm/inat.h> - #include <asm/insn.h> -+#ifdef __KERNEL__ -+#include <asm/pgtable_types.h> -+#else -+#define ktla_ktva(addr) addr -+#endif - - #define get_next(t, insn) \ - ({t r; r = *(t*)insn->next_byte; insn->next_byte += sizeof(t); r; }) -@@ -40,8 +45,8 @@ - void insn_init(struct insn *insn, const void *kaddr, int x86_64) - { - memset(insn, 0, sizeof(*insn)); -- insn->kaddr = kaddr; -- insn->next_byte = kaddr; -+ insn->kaddr = ktla_ktva(kaddr); -+ insn->next_byte = ktla_ktva(kaddr); - insn->x86_64 = x86_64 ? 1 : 0; - insn->opnd_bytes = 4; - if (x86_64) -diff -urNp linux-2.6.39.3/arch/x86/lib/mmx_32.c linux-2.6.39.3/arch/x86/lib/mmx_32.c ---- linux-2.6.39.3/arch/x86/lib/mmx_32.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/lib/mmx_32.c 2011-05-22 19:36:30.000000000 -0400 -@@ -29,6 +29,7 @@ void *_mmx_memcpy(void *to, const void * - { - void *p; - int i; -+ unsigned long cr0; - - if (unlikely(in_interrupt())) - return __memcpy(to, from, len); -@@ -39,44 +40,72 @@ void *_mmx_memcpy(void *to, const void * - kernel_fpu_begin(); - - __asm__ __volatile__ ( -- "1: prefetch (%0)\n" /* This set is 28 bytes */ -- " prefetch 64(%0)\n" -- " prefetch 128(%0)\n" -- " prefetch 192(%0)\n" -- " prefetch 256(%0)\n" -+ "1: prefetch (%1)\n" /* This set is 28 bytes */ -+ " prefetch 64(%1)\n" -+ " prefetch 128(%1)\n" -+ " prefetch 192(%1)\n" -+ " prefetch 256(%1)\n" - "2: \n" - ".section .fixup, \"ax\"\n" -- "3: movw $0x1AEB, 1b\n" /* jmp on 26 bytes */ -+ "3: \n" -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ " movl %%cr0, %0\n" -+ " movl %0, %%eax\n" -+ " andl $0xFFFEFFFF, %%eax\n" -+ " movl %%eax, %%cr0\n" -+#endif -+ -+ " movw $0x1AEB, 1b\n" /* jmp on 26 bytes */ -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ " movl %0, %%cr0\n" -+#endif -+ - " jmp 2b\n" - ".previous\n" - _ASM_EXTABLE(1b, 3b) -- : : "r" (from)); -+ : "=&r" (cr0) : "r" (from) : "ax"); - - for ( ; i > 5; i--) { - __asm__ __volatile__ ( -- "1: prefetch 320(%0)\n" -- "2: movq (%0), %%mm0\n" -- " movq 8(%0), %%mm1\n" -- " movq 16(%0), %%mm2\n" -- " movq 24(%0), %%mm3\n" -- " movq %%mm0, (%1)\n" -- " movq %%mm1, 8(%1)\n" -- " movq %%mm2, 16(%1)\n" -- " movq %%mm3, 24(%1)\n" -- " movq 32(%0), %%mm0\n" -- " movq 40(%0), %%mm1\n" -- " movq 48(%0), %%mm2\n" -- " movq 56(%0), %%mm3\n" -- " movq %%mm0, 32(%1)\n" -- " movq %%mm1, 40(%1)\n" -- " movq %%mm2, 48(%1)\n" -- " movq %%mm3, 56(%1)\n" -+ "1: prefetch 320(%1)\n" -+ "2: movq (%1), %%mm0\n" -+ " movq 8(%1), %%mm1\n" -+ " movq 16(%1), %%mm2\n" -+ " movq 24(%1), %%mm3\n" -+ " movq %%mm0, (%2)\n" -+ " movq %%mm1, 8(%2)\n" -+ " movq %%mm2, 16(%2)\n" -+ " movq %%mm3, 24(%2)\n" -+ " movq 32(%1), %%mm0\n" -+ " movq 40(%1), %%mm1\n" -+ " movq 48(%1), %%mm2\n" -+ " movq 56(%1), %%mm3\n" -+ " movq %%mm0, 32(%2)\n" -+ " movq %%mm1, 40(%2)\n" -+ " movq %%mm2, 48(%2)\n" -+ " movq %%mm3, 56(%2)\n" - ".section .fixup, \"ax\"\n" -- "3: movw $0x05EB, 1b\n" /* jmp on 5 bytes */ -+ "3:\n" -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ " movl %%cr0, %0\n" -+ " movl %0, %%eax\n" -+ " andl $0xFFFEFFFF, %%eax\n" -+ " movl %%eax, %%cr0\n" -+#endif -+ -+ " movw $0x05EB, 1b\n" /* jmp on 5 bytes */ -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ " movl %0, %%cr0\n" -+#endif -+ - " jmp 2b\n" - ".previous\n" - _ASM_EXTABLE(1b, 3b) -- : : "r" (from), "r" (to) : "memory"); -+ : "=&r" (cr0) : "r" (from), "r" (to) : "memory", "ax"); - - from += 64; - to += 64; -@@ -158,6 +187,7 @@ static void fast_clear_page(void *page) - static void fast_copy_page(void *to, void *from) - { - int i; -+ unsigned long cr0; - - kernel_fpu_begin(); - -@@ -166,42 +196,70 @@ static void fast_copy_page(void *to, voi - * but that is for later. -AV - */ - __asm__ __volatile__( -- "1: prefetch (%0)\n" -- " prefetch 64(%0)\n" -- " prefetch 128(%0)\n" -- " prefetch 192(%0)\n" -- " prefetch 256(%0)\n" -+ "1: prefetch (%1)\n" -+ " prefetch 64(%1)\n" -+ " prefetch 128(%1)\n" -+ " prefetch 192(%1)\n" -+ " prefetch 256(%1)\n" - "2: \n" - ".section .fixup, \"ax\"\n" -- "3: movw $0x1AEB, 1b\n" /* jmp on 26 bytes */ -+ "3: \n" -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ " movl %%cr0, %0\n" -+ " movl %0, %%eax\n" -+ " andl $0xFFFEFFFF, %%eax\n" -+ " movl %%eax, %%cr0\n" -+#endif -+ -+ " movw $0x1AEB, 1b\n" /* jmp on 26 bytes */ -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ " movl %0, %%cr0\n" -+#endif -+ - " jmp 2b\n" - ".previous\n" -- _ASM_EXTABLE(1b, 3b) : : "r" (from)); -+ _ASM_EXTABLE(1b, 3b) : "=&r" (cr0) : "r" (from) : "ax"); - - for (i = 0; i < (4096-320)/64; i++) { - __asm__ __volatile__ ( -- "1: prefetch 320(%0)\n" -- "2: movq (%0), %%mm0\n" -- " movntq %%mm0, (%1)\n" -- " movq 8(%0), %%mm1\n" -- " movntq %%mm1, 8(%1)\n" -- " movq 16(%0), %%mm2\n" -- " movntq %%mm2, 16(%1)\n" -- " movq 24(%0), %%mm3\n" -- " movntq %%mm3, 24(%1)\n" -- " movq 32(%0), %%mm4\n" -- " movntq %%mm4, 32(%1)\n" -- " movq 40(%0), %%mm5\n" -- " movntq %%mm5, 40(%1)\n" -- " movq 48(%0), %%mm6\n" -- " movntq %%mm6, 48(%1)\n" -- " movq 56(%0), %%mm7\n" -- " movntq %%mm7, 56(%1)\n" -+ "1: prefetch 320(%1)\n" -+ "2: movq (%1), %%mm0\n" -+ " movntq %%mm0, (%2)\n" -+ " movq 8(%1), %%mm1\n" -+ " movntq %%mm1, 8(%2)\n" -+ " movq 16(%1), %%mm2\n" -+ " movntq %%mm2, 16(%2)\n" -+ " movq 24(%1), %%mm3\n" -+ " movntq %%mm3, 24(%2)\n" -+ " movq 32(%1), %%mm4\n" -+ " movntq %%mm4, 32(%2)\n" -+ " movq 40(%1), %%mm5\n" -+ " movntq %%mm5, 40(%2)\n" -+ " movq 48(%1), %%mm6\n" -+ " movntq %%mm6, 48(%2)\n" -+ " movq 56(%1), %%mm7\n" -+ " movntq %%mm7, 56(%2)\n" - ".section .fixup, \"ax\"\n" -- "3: movw $0x05EB, 1b\n" /* jmp on 5 bytes */ -+ "3:\n" -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ " movl %%cr0, %0\n" -+ " movl %0, %%eax\n" -+ " andl $0xFFFEFFFF, %%eax\n" -+ " movl %%eax, %%cr0\n" -+#endif -+ -+ " movw $0x05EB, 1b\n" /* jmp on 5 bytes */ -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ " movl %0, %%cr0\n" -+#endif -+ - " jmp 2b\n" - ".previous\n" -- _ASM_EXTABLE(1b, 3b) : : "r" (from), "r" (to) : "memory"); -+ _ASM_EXTABLE(1b, 3b) : "=&r" (cr0) : "r" (from), "r" (to) : "memory", "ax"); - - from += 64; - to += 64; -@@ -280,47 +338,76 @@ static void fast_clear_page(void *page) - static void fast_copy_page(void *to, void *from) - { - int i; -+ unsigned long cr0; - - kernel_fpu_begin(); - - __asm__ __volatile__ ( -- "1: prefetch (%0)\n" -- " prefetch 64(%0)\n" -- " prefetch 128(%0)\n" -- " prefetch 192(%0)\n" -- " prefetch 256(%0)\n" -+ "1: prefetch (%1)\n" -+ " prefetch 64(%1)\n" -+ " prefetch 128(%1)\n" -+ " prefetch 192(%1)\n" -+ " prefetch 256(%1)\n" - "2: \n" - ".section .fixup, \"ax\"\n" -- "3: movw $0x1AEB, 1b\n" /* jmp on 26 bytes */ -+ "3: \n" -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ " movl %%cr0, %0\n" -+ " movl %0, %%eax\n" -+ " andl $0xFFFEFFFF, %%eax\n" -+ " movl %%eax, %%cr0\n" -+#endif -+ -+ " movw $0x1AEB, 1b\n" /* jmp on 26 bytes */ -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ " movl %0, %%cr0\n" -+#endif -+ - " jmp 2b\n" - ".previous\n" -- _ASM_EXTABLE(1b, 3b) : : "r" (from)); -+ _ASM_EXTABLE(1b, 3b) : "=&r" (cr0) : "r" (from) : "ax"); - - for (i = 0; i < 4096/64; i++) { - __asm__ __volatile__ ( -- "1: prefetch 320(%0)\n" -- "2: movq (%0), %%mm0\n" -- " movq 8(%0), %%mm1\n" -- " movq 16(%0), %%mm2\n" -- " movq 24(%0), %%mm3\n" -- " movq %%mm0, (%1)\n" -- " movq %%mm1, 8(%1)\n" -- " movq %%mm2, 16(%1)\n" -- " movq %%mm3, 24(%1)\n" -- " movq 32(%0), %%mm0\n" -- " movq 40(%0), %%mm1\n" -- " movq 48(%0), %%mm2\n" -- " movq 56(%0), %%mm3\n" -- " movq %%mm0, 32(%1)\n" -- " movq %%mm1, 40(%1)\n" -- " movq %%mm2, 48(%1)\n" -- " movq %%mm3, 56(%1)\n" -+ "1: prefetch 320(%1)\n" -+ "2: movq (%1), %%mm0\n" -+ " movq 8(%1), %%mm1\n" -+ " movq 16(%1), %%mm2\n" -+ " movq 24(%1), %%mm3\n" -+ " movq %%mm0, (%2)\n" -+ " movq %%mm1, 8(%2)\n" -+ " movq %%mm2, 16(%2)\n" -+ " movq %%mm3, 24(%2)\n" -+ " movq 32(%1), %%mm0\n" -+ " movq 40(%1), %%mm1\n" -+ " movq 48(%1), %%mm2\n" -+ " movq 56(%1), %%mm3\n" -+ " movq %%mm0, 32(%2)\n" -+ " movq %%mm1, 40(%2)\n" -+ " movq %%mm2, 48(%2)\n" -+ " movq %%mm3, 56(%2)\n" - ".section .fixup, \"ax\"\n" -- "3: movw $0x05EB, 1b\n" /* jmp on 5 bytes */ -+ "3:\n" -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ " movl %%cr0, %0\n" -+ " movl %0, %%eax\n" -+ " andl $0xFFFEFFFF, %%eax\n" -+ " movl %%eax, %%cr0\n" -+#endif -+ -+ " movw $0x05EB, 1b\n" /* jmp on 5 bytes */ -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ " movl %0, %%cr0\n" -+#endif -+ - " jmp 2b\n" - ".previous\n" - _ASM_EXTABLE(1b, 3b) -- : : "r" (from), "r" (to) : "memory"); -+ : "=&r" (cr0) : "r" (from), "r" (to) : "memory", "ax"); - - from += 64; - to += 64; -diff -urNp linux-2.6.39.3/arch/x86/lib/putuser.S linux-2.6.39.3/arch/x86/lib/putuser.S ---- linux-2.6.39.3/arch/x86/lib/putuser.S 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/lib/putuser.S 2011-05-22 19:36:30.000000000 -0400 -@@ -15,7 +15,8 @@ - #include <asm/thread_info.h> - #include <asm/errno.h> - #include <asm/asm.h> -- -+#include <asm/segment.h> -+#include <asm/pgtable.h> - - /* - * __put_user_X -@@ -29,52 +30,119 @@ - * as they get called from within inline assembly. - */ - --#define ENTER CFI_STARTPROC ; \ -- GET_THREAD_INFO(%_ASM_BX) -+#define ENTER CFI_STARTPROC - #define EXIT ret ; \ - CFI_ENDPROC - -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+#define _DEST %_ASM_CX,%_ASM_BX -+#else -+#define _DEST %_ASM_CX -+#endif -+ -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_MEMORY_UDEREF) -+#define __copyuser_seg gs; -+#else -+#define __copyuser_seg -+#endif -+ - .text - ENTRY(__put_user_1) - ENTER -+ -+#if !defined(CONFIG_X86_32) || !defined(CONFIG_PAX_MEMORY_UDEREF) -+ GET_THREAD_INFO(%_ASM_BX) - cmp TI_addr_limit(%_ASM_BX),%_ASM_CX - jae bad_put_user --1: movb %al,(%_ASM_CX) -+ -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+ mov $PAX_USER_SHADOW_BASE,%_ASM_BX -+ cmp %_ASM_BX,%_ASM_CX -+ jb 1234f -+ xor %ebx,%ebx -+1234: -+#endif -+ -+#endif -+ -+1: __copyuser_seg movb %al,(_DEST) - xor %eax,%eax - EXIT - ENDPROC(__put_user_1) - - ENTRY(__put_user_2) - ENTER -+ -+#if !defined(CONFIG_X86_32) || !defined(CONFIG_PAX_MEMORY_UDEREF) -+ GET_THREAD_INFO(%_ASM_BX) - mov TI_addr_limit(%_ASM_BX),%_ASM_BX - sub $1,%_ASM_BX - cmp %_ASM_BX,%_ASM_CX - jae bad_put_user --2: movw %ax,(%_ASM_CX) -+ -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+ mov $PAX_USER_SHADOW_BASE,%_ASM_BX -+ cmp %_ASM_BX,%_ASM_CX -+ jb 1234f -+ xor %ebx,%ebx -+1234: -+#endif -+ -+#endif -+ -+2: __copyuser_seg movw %ax,(_DEST) - xor %eax,%eax - EXIT - ENDPROC(__put_user_2) - - ENTRY(__put_user_4) - ENTER -+ -+#if !defined(CONFIG_X86_32) || !defined(CONFIG_PAX_MEMORY_UDEREF) -+ GET_THREAD_INFO(%_ASM_BX) - mov TI_addr_limit(%_ASM_BX),%_ASM_BX - sub $3,%_ASM_BX - cmp %_ASM_BX,%_ASM_CX - jae bad_put_user --3: movl %eax,(%_ASM_CX) -+ -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+ mov $PAX_USER_SHADOW_BASE,%_ASM_BX -+ cmp %_ASM_BX,%_ASM_CX -+ jb 1234f -+ xor %ebx,%ebx -+1234: -+#endif -+ -+#endif -+ -+3: __copyuser_seg movl %eax,(_DEST) - xor %eax,%eax - EXIT - ENDPROC(__put_user_4) - - ENTRY(__put_user_8) - ENTER -+ -+#if !defined(CONFIG_X86_32) || !defined(CONFIG_PAX_MEMORY_UDEREF) -+ GET_THREAD_INFO(%_ASM_BX) - mov TI_addr_limit(%_ASM_BX),%_ASM_BX - sub $7,%_ASM_BX - cmp %_ASM_BX,%_ASM_CX - jae bad_put_user --4: mov %_ASM_AX,(%_ASM_CX) -+ -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+ mov $PAX_USER_SHADOW_BASE,%_ASM_BX -+ cmp %_ASM_BX,%_ASM_CX -+ jb 1234f -+ xor %ebx,%ebx -+1234: -+#endif -+ -+#endif -+ -+4: __copyuser_seg mov %_ASM_AX,(_DEST) - #ifdef CONFIG_X86_32 --5: movl %edx,4(%_ASM_CX) -+5: __copyuser_seg movl %edx,4(_DEST) - #endif - xor %eax,%eax - EXIT -diff -urNp linux-2.6.39.3/arch/x86/lib/usercopy_32.c linux-2.6.39.3/arch/x86/lib/usercopy_32.c ---- linux-2.6.39.3/arch/x86/lib/usercopy_32.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/lib/usercopy_32.c 2011-05-22 19:36:30.000000000 -0400 -@@ -43,7 +43,7 @@ do { \ - __asm__ __volatile__( \ - " testl %1,%1\n" \ - " jz 2f\n" \ -- "0: lodsb\n" \ -+ "0: "__copyuser_seg"lodsb\n" \ - " stosb\n" \ - " testb %%al,%%al\n" \ - " jz 1f\n" \ -@@ -128,10 +128,12 @@ do { \ - int __d0; \ - might_fault(); \ - __asm__ __volatile__( \ -+ __COPYUSER_SET_ES \ - "0: rep; stosl\n" \ - " movl %2,%0\n" \ - "1: rep; stosb\n" \ - "2:\n" \ -+ __COPYUSER_RESTORE_ES \ - ".section .fixup,\"ax\"\n" \ - "3: lea 0(%2,%0,4),%0\n" \ - " jmp 2b\n" \ -@@ -200,6 +202,7 @@ long strnlen_user(const char __user *s, - might_fault(); - - __asm__ __volatile__( -+ __COPYUSER_SET_ES - " testl %0, %0\n" - " jz 3f\n" - " andl %0,%%ecx\n" -@@ -208,6 +211,7 @@ long strnlen_user(const char __user *s, - " subl %%ecx,%0\n" - " addl %0,%%eax\n" - "1:\n" -+ __COPYUSER_RESTORE_ES - ".section .fixup,\"ax\"\n" - "2: xorl %%eax,%%eax\n" - " jmp 1b\n" -@@ -227,7 +231,7 @@ EXPORT_SYMBOL(strnlen_user); - - #ifdef CONFIG_X86_INTEL_USERCOPY - static unsigned long --__copy_user_intel(void __user *to, const void *from, unsigned long size) -+__generic_copy_to_user_intel(void __user *to, const void *from, unsigned long size) - { - int d0, d1; - __asm__ __volatile__( -@@ -239,36 +243,36 @@ __copy_user_intel(void __user *to, const - " .align 2,0x90\n" - "3: movl 0(%4), %%eax\n" - "4: movl 4(%4), %%edx\n" -- "5: movl %%eax, 0(%3)\n" -- "6: movl %%edx, 4(%3)\n" -+ "5: "__copyuser_seg" movl %%eax, 0(%3)\n" -+ "6: "__copyuser_seg" movl %%edx, 4(%3)\n" - "7: movl 8(%4), %%eax\n" - "8: movl 12(%4),%%edx\n" -- "9: movl %%eax, 8(%3)\n" -- "10: movl %%edx, 12(%3)\n" -+ "9: "__copyuser_seg" movl %%eax, 8(%3)\n" -+ "10: "__copyuser_seg" movl %%edx, 12(%3)\n" - "11: movl 16(%4), %%eax\n" - "12: movl 20(%4), %%edx\n" -- "13: movl %%eax, 16(%3)\n" -- "14: movl %%edx, 20(%3)\n" -+ "13: "__copyuser_seg" movl %%eax, 16(%3)\n" -+ "14: "__copyuser_seg" movl %%edx, 20(%3)\n" - "15: movl 24(%4), %%eax\n" - "16: movl 28(%4), %%edx\n" -- "17: movl %%eax, 24(%3)\n" -- "18: movl %%edx, 28(%3)\n" -+ "17: "__copyuser_seg" movl %%eax, 24(%3)\n" -+ "18: "__copyuser_seg" movl %%edx, 28(%3)\n" - "19: movl 32(%4), %%eax\n" - "20: movl 36(%4), %%edx\n" -- "21: movl %%eax, 32(%3)\n" -- "22: movl %%edx, 36(%3)\n" -+ "21: "__copyuser_seg" movl %%eax, 32(%3)\n" -+ "22: "__copyuser_seg" movl %%edx, 36(%3)\n" - "23: movl 40(%4), %%eax\n" - "24: movl 44(%4), %%edx\n" -- "25: movl %%eax, 40(%3)\n" -- "26: movl %%edx, 44(%3)\n" -+ "25: "__copyuser_seg" movl %%eax, 40(%3)\n" -+ "26: "__copyuser_seg" movl %%edx, 44(%3)\n" - "27: movl 48(%4), %%eax\n" - "28: movl 52(%4), %%edx\n" -- "29: movl %%eax, 48(%3)\n" -- "30: movl %%edx, 52(%3)\n" -+ "29: "__copyuser_seg" movl %%eax, 48(%3)\n" -+ "30: "__copyuser_seg" movl %%edx, 52(%3)\n" - "31: movl 56(%4), %%eax\n" - "32: movl 60(%4), %%edx\n" -- "33: movl %%eax, 56(%3)\n" -- "34: movl %%edx, 60(%3)\n" -+ "33: "__copyuser_seg" movl %%eax, 56(%3)\n" -+ "34: "__copyuser_seg" movl %%edx, 60(%3)\n" - " addl $-64, %0\n" - " addl $64, %4\n" - " addl $64, %3\n" -@@ -278,10 +282,119 @@ __copy_user_intel(void __user *to, const - " shrl $2, %0\n" - " andl $3, %%eax\n" - " cld\n" -+ __COPYUSER_SET_ES - "99: rep; movsl\n" - "36: movl %%eax, %0\n" - "37: rep; movsb\n" - "100:\n" -+ __COPYUSER_RESTORE_ES -+ ".section .fixup,\"ax\"\n" -+ "101: lea 0(%%eax,%0,4),%0\n" -+ " jmp 100b\n" -+ ".previous\n" -+ ".section __ex_table,\"a\"\n" -+ " .align 4\n" -+ " .long 1b,100b\n" -+ " .long 2b,100b\n" -+ " .long 3b,100b\n" -+ " .long 4b,100b\n" -+ " .long 5b,100b\n" -+ " .long 6b,100b\n" -+ " .long 7b,100b\n" -+ " .long 8b,100b\n" -+ " .long 9b,100b\n" -+ " .long 10b,100b\n" -+ " .long 11b,100b\n" -+ " .long 12b,100b\n" -+ " .long 13b,100b\n" -+ " .long 14b,100b\n" -+ " .long 15b,100b\n" -+ " .long 16b,100b\n" -+ " .long 17b,100b\n" -+ " .long 18b,100b\n" -+ " .long 19b,100b\n" -+ " .long 20b,100b\n" -+ " .long 21b,100b\n" -+ " .long 22b,100b\n" -+ " .long 23b,100b\n" -+ " .long 24b,100b\n" -+ " .long 25b,100b\n" -+ " .long 26b,100b\n" -+ " .long 27b,100b\n" -+ " .long 28b,100b\n" -+ " .long 29b,100b\n" -+ " .long 30b,100b\n" -+ " .long 31b,100b\n" -+ " .long 32b,100b\n" -+ " .long 33b,100b\n" -+ " .long 34b,100b\n" -+ " .long 35b,100b\n" -+ " .long 36b,100b\n" -+ " .long 37b,100b\n" -+ " .long 99b,101b\n" -+ ".previous" -+ : "=&c"(size), "=&D" (d0), "=&S" (d1) -+ : "1"(to), "2"(from), "0"(size) -+ : "eax", "edx", "memory"); -+ return size; -+} -+ -+static unsigned long -+__generic_copy_from_user_intel(void *to, const void __user *from, unsigned long size) -+{ -+ int d0, d1; -+ __asm__ __volatile__( -+ " .align 2,0x90\n" -+ "1: "__copyuser_seg" movl 32(%4), %%eax\n" -+ " cmpl $67, %0\n" -+ " jbe 3f\n" -+ "2: "__copyuser_seg" movl 64(%4), %%eax\n" -+ " .align 2,0x90\n" -+ "3: "__copyuser_seg" movl 0(%4), %%eax\n" -+ "4: "__copyuser_seg" movl 4(%4), %%edx\n" -+ "5: movl %%eax, 0(%3)\n" -+ "6: movl %%edx, 4(%3)\n" -+ "7: "__copyuser_seg" movl 8(%4), %%eax\n" -+ "8: "__copyuser_seg" movl 12(%4),%%edx\n" -+ "9: movl %%eax, 8(%3)\n" -+ "10: movl %%edx, 12(%3)\n" -+ "11: "__copyuser_seg" movl 16(%4), %%eax\n" -+ "12: "__copyuser_seg" movl 20(%4), %%edx\n" -+ "13: movl %%eax, 16(%3)\n" -+ "14: movl %%edx, 20(%3)\n" -+ "15: "__copyuser_seg" movl 24(%4), %%eax\n" -+ "16: "__copyuser_seg" movl 28(%4), %%edx\n" -+ "17: movl %%eax, 24(%3)\n" -+ "18: movl %%edx, 28(%3)\n" -+ "19: "__copyuser_seg" movl 32(%4), %%eax\n" -+ "20: "__copyuser_seg" movl 36(%4), %%edx\n" -+ "21: movl %%eax, 32(%3)\n" -+ "22: movl %%edx, 36(%3)\n" -+ "23: "__copyuser_seg" movl 40(%4), %%eax\n" -+ "24: "__copyuser_seg" movl 44(%4), %%edx\n" -+ "25: movl %%eax, 40(%3)\n" -+ "26: movl %%edx, 44(%3)\n" -+ "27: "__copyuser_seg" movl 48(%4), %%eax\n" -+ "28: "__copyuser_seg" movl 52(%4), %%edx\n" -+ "29: movl %%eax, 48(%3)\n" -+ "30: movl %%edx, 52(%3)\n" -+ "31: "__copyuser_seg" movl 56(%4), %%eax\n" -+ "32: "__copyuser_seg" movl 60(%4), %%edx\n" -+ "33: movl %%eax, 56(%3)\n" -+ "34: movl %%edx, 60(%3)\n" -+ " addl $-64, %0\n" -+ " addl $64, %4\n" -+ " addl $64, %3\n" -+ " cmpl $63, %0\n" -+ " ja 1b\n" -+ "35: movl %0, %%eax\n" -+ " shrl $2, %0\n" -+ " andl $3, %%eax\n" -+ " cld\n" -+ "99: rep; "__copyuser_seg" movsl\n" -+ "36: movl %%eax, %0\n" -+ "37: rep; "__copyuser_seg" movsb\n" -+ "100:\n" - ".section .fixup,\"ax\"\n" - "101: lea 0(%%eax,%0,4),%0\n" - " jmp 100b\n" -@@ -339,41 +452,41 @@ __copy_user_zeroing_intel(void *to, cons - int d0, d1; - __asm__ __volatile__( - " .align 2,0x90\n" -- "0: movl 32(%4), %%eax\n" -+ "0: "__copyuser_seg" movl 32(%4), %%eax\n" - " cmpl $67, %0\n" - " jbe 2f\n" -- "1: movl 64(%4), %%eax\n" -+ "1: "__copyuser_seg" movl 64(%4), %%eax\n" - " .align 2,0x90\n" -- "2: movl 0(%4), %%eax\n" -- "21: movl 4(%4), %%edx\n" -+ "2: "__copyuser_seg" movl 0(%4), %%eax\n" -+ "21: "__copyuser_seg" movl 4(%4), %%edx\n" - " movl %%eax, 0(%3)\n" - " movl %%edx, 4(%3)\n" -- "3: movl 8(%4), %%eax\n" -- "31: movl 12(%4),%%edx\n" -+ "3: "__copyuser_seg" movl 8(%4), %%eax\n" -+ "31: "__copyuser_seg" movl 12(%4),%%edx\n" - " movl %%eax, 8(%3)\n" - " movl %%edx, 12(%3)\n" -- "4: movl 16(%4), %%eax\n" -- "41: movl 20(%4), %%edx\n" -+ "4: "__copyuser_seg" movl 16(%4), %%eax\n" -+ "41: "__copyuser_seg" movl 20(%4), %%edx\n" - " movl %%eax, 16(%3)\n" - " movl %%edx, 20(%3)\n" -- "10: movl 24(%4), %%eax\n" -- "51: movl 28(%4), %%edx\n" -+ "10: "__copyuser_seg" movl 24(%4), %%eax\n" -+ "51: "__copyuser_seg" movl 28(%4), %%edx\n" - " movl %%eax, 24(%3)\n" - " movl %%edx, 28(%3)\n" -- "11: movl 32(%4), %%eax\n" -- "61: movl 36(%4), %%edx\n" -+ "11: "__copyuser_seg" movl 32(%4), %%eax\n" -+ "61: "__copyuser_seg" movl 36(%4), %%edx\n" - " movl %%eax, 32(%3)\n" - " movl %%edx, 36(%3)\n" -- "12: movl 40(%4), %%eax\n" -- "71: movl 44(%4), %%edx\n" -+ "12: "__copyuser_seg" movl 40(%4), %%eax\n" -+ "71: "__copyuser_seg" movl 44(%4), %%edx\n" - " movl %%eax, 40(%3)\n" - " movl %%edx, 44(%3)\n" -- "13: movl 48(%4), %%eax\n" -- "81: movl 52(%4), %%edx\n" -+ "13: "__copyuser_seg" movl 48(%4), %%eax\n" -+ "81: "__copyuser_seg" movl 52(%4), %%edx\n" - " movl %%eax, 48(%3)\n" - " movl %%edx, 52(%3)\n" -- "14: movl 56(%4), %%eax\n" -- "91: movl 60(%4), %%edx\n" -+ "14: "__copyuser_seg" movl 56(%4), %%eax\n" -+ "91: "__copyuser_seg" movl 60(%4), %%edx\n" - " movl %%eax, 56(%3)\n" - " movl %%edx, 60(%3)\n" - " addl $-64, %0\n" -@@ -385,9 +498,9 @@ __copy_user_zeroing_intel(void *to, cons - " shrl $2, %0\n" - " andl $3, %%eax\n" - " cld\n" -- "6: rep; movsl\n" -+ "6: rep; "__copyuser_seg" movsl\n" - " movl %%eax,%0\n" -- "7: rep; movsb\n" -+ "7: rep; "__copyuser_seg" movsb\n" - "8:\n" - ".section .fixup,\"ax\"\n" - "9: lea 0(%%eax,%0,4),%0\n" -@@ -440,41 +553,41 @@ static unsigned long __copy_user_zeroing - - __asm__ __volatile__( - " .align 2,0x90\n" -- "0: movl 32(%4), %%eax\n" -+ "0: "__copyuser_seg" movl 32(%4), %%eax\n" - " cmpl $67, %0\n" - " jbe 2f\n" -- "1: movl 64(%4), %%eax\n" -+ "1: "__copyuser_seg" movl 64(%4), %%eax\n" - " .align 2,0x90\n" -- "2: movl 0(%4), %%eax\n" -- "21: movl 4(%4), %%edx\n" -+ "2: "__copyuser_seg" movl 0(%4), %%eax\n" -+ "21: "__copyuser_seg" movl 4(%4), %%edx\n" - " movnti %%eax, 0(%3)\n" - " movnti %%edx, 4(%3)\n" -- "3: movl 8(%4), %%eax\n" -- "31: movl 12(%4),%%edx\n" -+ "3: "__copyuser_seg" movl 8(%4), %%eax\n" -+ "31: "__copyuser_seg" movl 12(%4),%%edx\n" - " movnti %%eax, 8(%3)\n" - " movnti %%edx, 12(%3)\n" -- "4: movl 16(%4), %%eax\n" -- "41: movl 20(%4), %%edx\n" -+ "4: "__copyuser_seg" movl 16(%4), %%eax\n" -+ "41: "__copyuser_seg" movl 20(%4), %%edx\n" - " movnti %%eax, 16(%3)\n" - " movnti %%edx, 20(%3)\n" -- "10: movl 24(%4), %%eax\n" -- "51: movl 28(%4), %%edx\n" -+ "10: "__copyuser_seg" movl 24(%4), %%eax\n" -+ "51: "__copyuser_seg" movl 28(%4), %%edx\n" - " movnti %%eax, 24(%3)\n" - " movnti %%edx, 28(%3)\n" -- "11: movl 32(%4), %%eax\n" -- "61: movl 36(%4), %%edx\n" -+ "11: "__copyuser_seg" movl 32(%4), %%eax\n" -+ "61: "__copyuser_seg" movl 36(%4), %%edx\n" - " movnti %%eax, 32(%3)\n" - " movnti %%edx, 36(%3)\n" -- "12: movl 40(%4), %%eax\n" -- "71: movl 44(%4), %%edx\n" -+ "12: "__copyuser_seg" movl 40(%4), %%eax\n" -+ "71: "__copyuser_seg" movl 44(%4), %%edx\n" - " movnti %%eax, 40(%3)\n" - " movnti %%edx, 44(%3)\n" -- "13: movl 48(%4), %%eax\n" -- "81: movl 52(%4), %%edx\n" -+ "13: "__copyuser_seg" movl 48(%4), %%eax\n" -+ "81: "__copyuser_seg" movl 52(%4), %%edx\n" - " movnti %%eax, 48(%3)\n" - " movnti %%edx, 52(%3)\n" -- "14: movl 56(%4), %%eax\n" -- "91: movl 60(%4), %%edx\n" -+ "14: "__copyuser_seg" movl 56(%4), %%eax\n" -+ "91: "__copyuser_seg" movl 60(%4), %%edx\n" - " movnti %%eax, 56(%3)\n" - " movnti %%edx, 60(%3)\n" - " addl $-64, %0\n" -@@ -487,9 +600,9 @@ static unsigned long __copy_user_zeroing - " shrl $2, %0\n" - " andl $3, %%eax\n" - " cld\n" -- "6: rep; movsl\n" -+ "6: rep; "__copyuser_seg" movsl\n" - " movl %%eax,%0\n" -- "7: rep; movsb\n" -+ "7: rep; "__copyuser_seg" movsb\n" - "8:\n" - ".section .fixup,\"ax\"\n" - "9: lea 0(%%eax,%0,4),%0\n" -@@ -537,41 +650,41 @@ static unsigned long __copy_user_intel_n - - __asm__ __volatile__( - " .align 2,0x90\n" -- "0: movl 32(%4), %%eax\n" -+ "0: "__copyuser_seg" movl 32(%4), %%eax\n" - " cmpl $67, %0\n" - " jbe 2f\n" -- "1: movl 64(%4), %%eax\n" -+ "1: "__copyuser_seg" movl 64(%4), %%eax\n" - " .align 2,0x90\n" -- "2: movl 0(%4), %%eax\n" -- "21: movl 4(%4), %%edx\n" -+ "2: "__copyuser_seg" movl 0(%4), %%eax\n" -+ "21: "__copyuser_seg" movl 4(%4), %%edx\n" - " movnti %%eax, 0(%3)\n" - " movnti %%edx, 4(%3)\n" -- "3: movl 8(%4), %%eax\n" -- "31: movl 12(%4),%%edx\n" -+ "3: "__copyuser_seg" movl 8(%4), %%eax\n" -+ "31: "__copyuser_seg" movl 12(%4),%%edx\n" - " movnti %%eax, 8(%3)\n" - " movnti %%edx, 12(%3)\n" -- "4: movl 16(%4), %%eax\n" -- "41: movl 20(%4), %%edx\n" -+ "4: "__copyuser_seg" movl 16(%4), %%eax\n" -+ "41: "__copyuser_seg" movl 20(%4), %%edx\n" - " movnti %%eax, 16(%3)\n" - " movnti %%edx, 20(%3)\n" -- "10: movl 24(%4), %%eax\n" -- "51: movl 28(%4), %%edx\n" -+ "10: "__copyuser_seg" movl 24(%4), %%eax\n" -+ "51: "__copyuser_seg" movl 28(%4), %%edx\n" - " movnti %%eax, 24(%3)\n" - " movnti %%edx, 28(%3)\n" -- "11: movl 32(%4), %%eax\n" -- "61: movl 36(%4), %%edx\n" -+ "11: "__copyuser_seg" movl 32(%4), %%eax\n" -+ "61: "__copyuser_seg" movl 36(%4), %%edx\n" - " movnti %%eax, 32(%3)\n" - " movnti %%edx, 36(%3)\n" -- "12: movl 40(%4), %%eax\n" -- "71: movl 44(%4), %%edx\n" -+ "12: "__copyuser_seg" movl 40(%4), %%eax\n" -+ "71: "__copyuser_seg" movl 44(%4), %%edx\n" - " movnti %%eax, 40(%3)\n" - " movnti %%edx, 44(%3)\n" -- "13: movl 48(%4), %%eax\n" -- "81: movl 52(%4), %%edx\n" -+ "13: "__copyuser_seg" movl 48(%4), %%eax\n" -+ "81: "__copyuser_seg" movl 52(%4), %%edx\n" - " movnti %%eax, 48(%3)\n" - " movnti %%edx, 52(%3)\n" -- "14: movl 56(%4), %%eax\n" -- "91: movl 60(%4), %%edx\n" -+ "14: "__copyuser_seg" movl 56(%4), %%eax\n" -+ "91: "__copyuser_seg" movl 60(%4), %%edx\n" - " movnti %%eax, 56(%3)\n" - " movnti %%edx, 60(%3)\n" - " addl $-64, %0\n" -@@ -584,9 +697,9 @@ static unsigned long __copy_user_intel_n - " shrl $2, %0\n" - " andl $3, %%eax\n" - " cld\n" -- "6: rep; movsl\n" -+ "6: rep; "__copyuser_seg" movsl\n" - " movl %%eax,%0\n" -- "7: rep; movsb\n" -+ "7: rep; "__copyuser_seg" movsb\n" - "8:\n" - ".section .fixup,\"ax\"\n" - "9: lea 0(%%eax,%0,4),%0\n" -@@ -629,32 +742,36 @@ static unsigned long __copy_user_intel_n - */ - unsigned long __copy_user_zeroing_intel(void *to, const void __user *from, - unsigned long size); --unsigned long __copy_user_intel(void __user *to, const void *from, -+unsigned long __generic_copy_to_user_intel(void __user *to, const void *from, -+ unsigned long size); -+unsigned long __generic_copy_from_user_intel(void *to, const void __user *from, - unsigned long size); - unsigned long __copy_user_zeroing_intel_nocache(void *to, - const void __user *from, unsigned long size); - #endif /* CONFIG_X86_INTEL_USERCOPY */ - - /* Generic arbitrary sized copy. */ --#define __copy_user(to, from, size) \ -+#define __copy_user(to, from, size, prefix, set, restore) \ - do { \ - int __d0, __d1, __d2; \ - __asm__ __volatile__( \ -+ set \ - " cmp $7,%0\n" \ - " jbe 1f\n" \ - " movl %1,%0\n" \ - " negl %0\n" \ - " andl $7,%0\n" \ - " subl %0,%3\n" \ -- "4: rep; movsb\n" \ -+ "4: rep; "prefix"movsb\n" \ - " movl %3,%0\n" \ - " shrl $2,%0\n" \ - " andl $3,%3\n" \ - " .align 2,0x90\n" \ -- "0: rep; movsl\n" \ -+ "0: rep; "prefix"movsl\n" \ - " movl %3,%0\n" \ -- "1: rep; movsb\n" \ -+ "1: rep; "prefix"movsb\n" \ - "2:\n" \ -+ restore \ - ".section .fixup,\"ax\"\n" \ - "5: addl %3,%0\n" \ - " jmp 2b\n" \ -@@ -682,14 +799,14 @@ do { \ - " negl %0\n" \ - " andl $7,%0\n" \ - " subl %0,%3\n" \ -- "4: rep; movsb\n" \ -+ "4: rep; "__copyuser_seg"movsb\n" \ - " movl %3,%0\n" \ - " shrl $2,%0\n" \ - " andl $3,%3\n" \ - " .align 2,0x90\n" \ -- "0: rep; movsl\n" \ -+ "0: rep; "__copyuser_seg"movsl\n" \ - " movl %3,%0\n" \ -- "1: rep; movsb\n" \ -+ "1: rep; "__copyuser_seg"movsb\n" \ - "2:\n" \ - ".section .fixup,\"ax\"\n" \ - "5: addl %3,%0\n" \ -@@ -775,9 +892,9 @@ survive: - } - #endif - if (movsl_is_ok(to, from, n)) -- __copy_user(to, from, n); -+ __copy_user(to, from, n, "", __COPYUSER_SET_ES, __COPYUSER_RESTORE_ES); - else -- n = __copy_user_intel(to, from, n); -+ n = __generic_copy_to_user_intel(to, from, n); - return n; - } - EXPORT_SYMBOL(__copy_to_user_ll); -@@ -797,10 +914,9 @@ unsigned long __copy_from_user_ll_nozero - unsigned long n) - { - if (movsl_is_ok(to, from, n)) -- __copy_user(to, from, n); -+ __copy_user(to, from, n, __copyuser_seg, "", ""); - else -- n = __copy_user_intel((void __user *)to, -- (const void *)from, n); -+ n = __generic_copy_from_user_intel(to, from, n); - return n; - } - EXPORT_SYMBOL(__copy_from_user_ll_nozero); -@@ -827,65 +943,50 @@ unsigned long __copy_from_user_ll_nocach - if (n > 64 && cpu_has_xmm2) - n = __copy_user_intel_nocache(to, from, n); - else -- __copy_user(to, from, n); -+ __copy_user(to, from, n, __copyuser_seg, "", ""); - #else -- __copy_user(to, from, n); -+ __copy_user(to, from, n, __copyuser_seg, "", ""); - #endif - return n; - } - EXPORT_SYMBOL(__copy_from_user_ll_nocache_nozero); - --/** -- * copy_to_user: - Copy a block of data into user space. -- * @to: Destination address, in user space. -- * @from: Source address, in kernel space. -- * @n: Number of bytes to copy. -- * -- * Context: User context only. This function may sleep. -- * -- * Copy data from kernel space to user space. -- * -- * Returns number of bytes that could not be copied. -- * On success, this will be zero. -- */ --unsigned long --copy_to_user(void __user *to, const void *from, unsigned long n) -+void copy_from_user_overflow(void) - { -- if (access_ok(VERIFY_WRITE, to, n)) -- n = __copy_to_user(to, from, n); -- return n; -+ WARN(1, "Buffer overflow detected!\n"); - } --EXPORT_SYMBOL(copy_to_user); -+EXPORT_SYMBOL(copy_from_user_overflow); - --/** -- * copy_from_user: - Copy a block of data from user space. -- * @to: Destination address, in kernel space. -- * @from: Source address, in user space. -- * @n: Number of bytes to copy. -- * -- * Context: User context only. This function may sleep. -- * -- * Copy data from user space to kernel space. -- * -- * Returns number of bytes that could not be copied. -- * On success, this will be zero. -- * -- * If some data could not be copied, this function will pad the copied -- * data to the requested size using zero bytes. -- */ --unsigned long --_copy_from_user(void *to, const void __user *from, unsigned long n) -+void copy_to_user_overflow(void) - { -- if (access_ok(VERIFY_READ, from, n)) -- n = __copy_from_user(to, from, n); -- else -- memset(to, 0, n); -- return n; -+ WARN(1, "Buffer overflow detected!\n"); - } --EXPORT_SYMBOL(_copy_from_user); -+EXPORT_SYMBOL(copy_to_user_overflow); - --void copy_from_user_overflow(void) -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+void __set_fs(mm_segment_t x) - { -- WARN(1, "Buffer overflow detected!\n"); -+ switch (x.seg) { -+ case 0: -+ loadsegment(gs, 0); -+ break; -+ case TASK_SIZE_MAX: -+ loadsegment(gs, __USER_DS); -+ break; -+ case -1UL: -+ loadsegment(gs, __KERNEL_DS); -+ break; -+ default: -+ BUG(); -+ } -+ return; - } --EXPORT_SYMBOL(copy_from_user_overflow); -+EXPORT_SYMBOL(__set_fs); -+ -+void set_fs(mm_segment_t x) -+{ -+ current_thread_info()->addr_limit = x; -+ __set_fs(x); -+} -+EXPORT_SYMBOL(set_fs); -+#endif -diff -urNp linux-2.6.39.3/arch/x86/lib/usercopy_64.c linux-2.6.39.3/arch/x86/lib/usercopy_64.c ---- linux-2.6.39.3/arch/x86/lib/usercopy_64.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/lib/usercopy_64.c 2011-05-22 19:36:30.000000000 -0400 -@@ -42,6 +42,12 @@ long - __strncpy_from_user(char *dst, const char __user *src, long count) - { - long res; -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ if ((unsigned long)src < PAX_USER_SHADOW_BASE) -+ src += PAX_USER_SHADOW_BASE; -+#endif -+ - __do_strncpy_from_user(dst, src, count, res); - return res; - } -@@ -65,6 +71,12 @@ unsigned long __clear_user(void __user * - { - long __d0; - might_fault(); -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ if ((unsigned long)addr < PAX_USER_SHADOW_BASE) -+ addr += PAX_USER_SHADOW_BASE; -+#endif -+ - /* no memory constraint because it doesn't change any memory gcc knows - about */ - asm volatile( -@@ -151,10 +163,18 @@ EXPORT_SYMBOL(strlen_user); - - unsigned long copy_in_user(void __user *to, const void __user *from, unsigned len) - { -- if (access_ok(VERIFY_WRITE, to, len) && access_ok(VERIFY_READ, from, len)) { -+ if (access_ok(VERIFY_WRITE, to, len) && access_ok(VERIFY_READ, from, len)) { -+ -+#ifdef CONFIG_PAX_MEMORY_UDEREF -+ if ((unsigned long)to < PAX_USER_SHADOW_BASE) -+ to += PAX_USER_SHADOW_BASE; -+ if ((unsigned long)from < PAX_USER_SHADOW_BASE) -+ from += PAX_USER_SHADOW_BASE; -+#endif -+ - return copy_user_generic((__force void *)to, (__force void *)from, len); -- } -- return len; -+ } -+ return len; - } - EXPORT_SYMBOL(copy_in_user); - -diff -urNp linux-2.6.39.3/arch/x86/Makefile linux-2.6.39.3/arch/x86/Makefile ---- linux-2.6.39.3/arch/x86/Makefile 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/Makefile 2011-07-19 18:16:36.000000000 -0400 -@@ -44,6 +44,7 @@ ifeq ($(CONFIG_X86_32),y) - else - BITS := 64 - UTS_MACHINE := x86_64 -+ biarch := $(call cc-option,-m64) - CHECKFLAGS += -D__x86_64__ -m64 - - KBUILD_AFLAGS += -m64 -@@ -195,3 +196,12 @@ define archhelp - echo ' FDARGS="..." arguments for the booted kernel' - echo ' FDINITRD=file initrd for the booted kernel' - endef -+ -+define OLD_LD -+ -+*** ${VERSION}.${PATCHLEVEL} PaX kernels no longer build correctly with old versions of binutils. -+*** Please upgrade your binutils to 2.18 or newer -+endef -+ -+archprepare: -+ $(if $(LDFLAGS_BUILD_ID),,$(error $(OLD_LD))) -diff -urNp linux-2.6.39.3/arch/x86/mm/extable.c linux-2.6.39.3/arch/x86/mm/extable.c ---- linux-2.6.39.3/arch/x86/mm/extable.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/mm/extable.c 2011-05-22 19:36:30.000000000 -0400 -@@ -1,14 +1,71 @@ - #include <linux/module.h> - #include <linux/spinlock.h> -+#include <linux/sort.h> - #include <asm/uaccess.h> -+#include <asm/pgtable.h> - -+/* -+ * The exception table needs to be sorted so that the binary -+ * search that we use to find entries in it works properly. -+ * This is used both for the kernel exception table and for -+ * the exception tables of modules that get loaded. -+ */ -+static int cmp_ex(const void *a, const void *b) -+{ -+ const struct exception_table_entry *x = a, *y = b; -+ -+ /* avoid overflow */ -+ if (x->insn > y->insn) -+ return 1; -+ if (x->insn < y->insn) -+ return -1; -+ return 0; -+} -+ -+static void swap_ex(void *a, void *b, int size) -+{ -+ struct exception_table_entry t, *x = a, *y = b; -+ -+ t = *x; -+ -+ pax_open_kernel(); -+ *x = *y; -+ *y = t; -+ pax_close_kernel(); -+} -+ -+void sort_extable(struct exception_table_entry *start, -+ struct exception_table_entry *finish) -+{ -+ sort(start, finish - start, sizeof(struct exception_table_entry), -+ cmp_ex, swap_ex); -+} -+ -+#ifdef CONFIG_MODULES -+/* -+ * If the exception table is sorted, any referring to the module init -+ * will be at the beginning or the end. -+ */ -+void trim_init_extable(struct module *m) -+{ -+ /*trim the beginning*/ -+ while (m->num_exentries && within_module_init(m->extable[0].insn, m)) { -+ m->extable++; -+ m->num_exentries--; -+ } -+ /*trim the end*/ -+ while (m->num_exentries && -+ within_module_init(m->extable[m->num_exentries-1].insn, m)) -+ m->num_exentries--; -+} -+#endif /* CONFIG_MODULES */ - - int fixup_exception(struct pt_regs *regs) - { - const struct exception_table_entry *fixup; - - #ifdef CONFIG_PNPBIOS -- if (unlikely(SEGMENT_IS_PNP_CODE(regs->cs))) { -+ if (unlikely(!v8086_mode(regs) && SEGMENT_IS_PNP_CODE(regs->cs))) { - extern u32 pnp_bios_fault_eip, pnp_bios_fault_esp; - extern u32 pnp_bios_is_utter_crap; - pnp_bios_is_utter_crap = 1; -diff -urNp linux-2.6.39.3/arch/x86/mm/fault.c linux-2.6.39.3/arch/x86/mm/fault.c ---- linux-2.6.39.3/arch/x86/mm/fault.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/mm/fault.c 2011-06-06 17:34:04.000000000 -0400 -@@ -12,10 +12,18 @@ - #include <linux/mmiotrace.h> /* kmmio_handler, ... */ - #include <linux/perf_event.h> /* perf_sw_event */ - #include <linux/hugetlb.h> /* hstate_index_to_shift */ -+#include <linux/unistd.h> -+#include <linux/compiler.h> - - #include <asm/traps.h> /* dotraplinkage, ... */ - #include <asm/pgalloc.h> /* pgd_*(), ... */ - #include <asm/kmemcheck.h> /* kmemcheck_*(), ... */ -+#include <asm/vsyscall.h> -+#include <asm/tlbflush.h> -+ -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+#include <asm/stacktrace.h> -+#endif - - /* - * Page fault error code bits: -@@ -53,7 +61,7 @@ static inline int __kprobes notify_page_ - int ret = 0; - - /* kprobe_running() needs smp_processor_id() */ -- if (kprobes_built_in() && !user_mode_vm(regs)) { -+ if (kprobes_built_in() && !user_mode(regs)) { - preempt_disable(); - if (kprobe_running() && kprobe_fault_handler(regs, 14)) - ret = 1; -@@ -114,7 +122,10 @@ check_prefetch_opcode(struct pt_regs *re - return !instr_lo || (instr_lo>>1) == 1; - case 0x00: - /* Prefetch instruction is 0x0F0D or 0x0F18 */ -- if (probe_kernel_address(instr, opcode)) -+ if (user_mode(regs)) { -+ if (__copy_from_user_inatomic(&opcode, (__force unsigned char __user *)(instr), 1)) -+ return 0; -+ } else if (probe_kernel_address(instr, opcode)) - return 0; - - *prefetch = (instr_lo == 0xF) && -@@ -148,7 +159,10 @@ is_prefetch(struct pt_regs *regs, unsign - while (instr < max_instr) { - unsigned char opcode; - -- if (probe_kernel_address(instr, opcode)) -+ if (user_mode(regs)) { -+ if (__copy_from_user_inatomic(&opcode, (__force unsigned char __user *)(instr), 1)) -+ break; -+ } else if (probe_kernel_address(instr, opcode)) - break; - - instr++; -@@ -179,6 +193,30 @@ force_sig_info_fault(int si_signo, int s - force_sig_info(si_signo, &info, tsk); - } - -+#ifdef CONFIG_PAX_EMUTRAMP -+static int pax_handle_fetch_fault(struct pt_regs *regs); -+#endif -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+static inline pmd_t * pax_get_pmd(struct mm_struct *mm, unsigned long address) -+{ -+ pgd_t *pgd; -+ pud_t *pud; -+ pmd_t *pmd; -+ -+ pgd = pgd_offset(mm, address); -+ if (!pgd_present(*pgd)) -+ return NULL; -+ pud = pud_offset(pgd, address); -+ if (!pud_present(*pud)) -+ return NULL; -+ pmd = pmd_offset(pud, address); -+ if (!pmd_present(*pmd)) -+ return NULL; -+ return pmd; -+} -+#endif -+ - DEFINE_SPINLOCK(pgd_lock); - LIST_HEAD(pgd_list); - -@@ -229,10 +267,22 @@ void vmalloc_sync_all(void) - for (address = VMALLOC_START & PMD_MASK; - address >= TASK_SIZE && address < FIXADDR_TOP; - address += PMD_SIZE) { -+ -+#ifdef CONFIG_PAX_PER_CPU_PGD -+ unsigned long cpu; -+#else - struct page *page; -+#endif - - spin_lock(&pgd_lock); -+ -+#ifdef CONFIG_PAX_PER_CPU_PGD -+ for (cpu = 0; cpu < NR_CPUS; ++cpu) { -+ pgd_t *pgd = get_cpu_pgd(cpu); -+ pmd_t *ret; -+#else - list_for_each_entry(page, &pgd_list, lru) { -+ pgd_t *pgd = page_address(page); - spinlock_t *pgt_lock; - pmd_t *ret; - -@@ -240,8 +290,13 @@ void vmalloc_sync_all(void) - pgt_lock = &pgd_page_get_mm(page)->page_table_lock; - - spin_lock(pgt_lock); -- ret = vmalloc_sync_one(page_address(page), address); -+#endif -+ -+ ret = vmalloc_sync_one(pgd, address); -+ -+#ifndef CONFIG_PAX_PER_CPU_PGD - spin_unlock(pgt_lock); -+#endif - - if (!ret) - break; -@@ -275,6 +330,11 @@ static noinline __kprobes int vmalloc_fa - * an interrupt in the middle of a task switch.. - */ - pgd_paddr = read_cr3(); -+ -+#ifdef CONFIG_PAX_PER_CPU_PGD -+ BUG_ON(__pa(get_cpu_pgd(smp_processor_id())) != (pgd_paddr & PHYSICAL_PAGE_MASK)); -+#endif -+ - pmd_k = vmalloc_sync_one(__va(pgd_paddr), address); - if (!pmd_k) - return -1; -@@ -370,7 +430,14 @@ static noinline __kprobes int vmalloc_fa - * happen within a race in page table update. In the later - * case just flush: - */ -+ -+#ifdef CONFIG_PAX_PER_CPU_PGD -+ BUG_ON(__pa(get_cpu_pgd(smp_processor_id())) != (read_cr3() & PHYSICAL_PAGE_MASK)); -+ pgd = pgd_offset_cpu(smp_processor_id(), address); -+#else - pgd = pgd_offset(current->active_mm, address); -+#endif -+ - pgd_ref = pgd_offset_k(address); - if (pgd_none(*pgd_ref)) - return -1; -@@ -532,7 +599,7 @@ static int is_errata93(struct pt_regs *r - static int is_errata100(struct pt_regs *regs, unsigned long address) - { - #ifdef CONFIG_X86_64 -- if ((regs->cs == __USER32_CS || (regs->cs & (1<<2))) && (address >> 32)) -+ if ((regs->cs == __USER32_CS || (regs->cs & SEGMENT_LDT)) && (address >> 32)) - return 1; - #endif - return 0; -@@ -559,7 +626,7 @@ static int is_f00f_bug(struct pt_regs *r - } - - static const char nx_warning[] = KERN_CRIT --"kernel tried to execute NX-protected page - exploit attempt? (uid: %d)\n"; -+"kernel tried to execute NX-protected page - exploit attempt? (uid: %d, task: %s, pid: %d)\n"; - - static void - show_fault_oops(struct pt_regs *regs, unsigned long error_code, -@@ -568,15 +635,26 @@ show_fault_oops(struct pt_regs *regs, un - if (!oops_may_print()) - return; - -- if (error_code & PF_INSTR) { -+ if ((__supported_pte_mask & _PAGE_NX) && (error_code & PF_INSTR)) { - unsigned int level; - - pte_t *pte = lookup_address(address, &level); - - if (pte && pte_present(*pte) && !pte_exec(*pte)) -- printk(nx_warning, current_uid()); -+ printk(nx_warning, current_uid(), current->comm, task_pid_nr(current)); - } - -+#ifdef CONFIG_PAX_KERNEXEC -+ if (init_mm.start_code <= address && address < init_mm.end_code) { -+ if (current->signal->curr_ip) -+ printk(KERN_ERR "PAX: From %pI4: %s:%d, uid/euid: %u/%u, attempted to modify kernel code\n", -+ ¤t->signal->curr_ip, current->comm, task_pid_nr(current), current_uid(), current_euid()); -+ else -+ printk(KERN_ERR "PAX: %s:%d, uid/euid: %u/%u, attempted to modify kernel code\n", -+ current->comm, task_pid_nr(current), current_uid(), current_euid()); -+ } -+#endif -+ - printk(KERN_ALERT "BUG: unable to handle kernel "); - if (address < PAGE_SIZE) - printk(KERN_CONT "NULL pointer dereference"); -@@ -701,6 +779,68 @@ __bad_area_nosemaphore(struct pt_regs *r - unsigned long address, int si_code) - { - struct task_struct *tsk = current; -+ struct mm_struct *mm = tsk->mm; -+ -+#ifdef CONFIG_X86_64 -+ if (mm && (error_code & PF_INSTR) && mm->context.vdso) { -+ if (regs->ip == (unsigned long)vgettimeofday) { -+ regs->ip = (unsigned long)VDSO64_SYMBOL(mm->context.vdso, fallback_gettimeofday); -+ return; -+ } else if (regs->ip == (unsigned long)vtime) { -+ regs->ip = (unsigned long)VDSO64_SYMBOL(mm->context.vdso, fallback_time); -+ return; -+ } else if (regs->ip == (unsigned long)vgetcpu) { -+ regs->ip = (unsigned long)VDSO64_SYMBOL(mm->context.vdso, getcpu); -+ return; -+ } -+ } -+#endif -+ -+#if defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC) -+ if (mm && (error_code & PF_USER)) { -+ unsigned long ip = regs->ip; -+ -+ if (v8086_mode(regs)) -+ ip = ((regs->cs & 0xffff) << 4) + (ip & 0xffff); -+ -+ /* -+ * It's possible to have interrupts off here: -+ */ -+ local_irq_enable(); -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+ if ((mm->pax_flags & MF_PAX_PAGEEXEC) && -+ (((__supported_pte_mask & _PAGE_NX) && (error_code & PF_INSTR)) || (!(error_code & (PF_PROT | PF_WRITE)) && ip == address))) { -+ -+#ifdef CONFIG_PAX_EMUTRAMP -+ switch (pax_handle_fetch_fault(regs)) { -+ case 2: -+ return; -+ } -+#endif -+ -+ pax_report_fault(regs, (void *)ip, (void *)regs->sp); -+ do_group_exit(SIGKILL); -+ } -+#endif -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if ((mm->pax_flags & MF_PAX_SEGMEXEC) && !(error_code & (PF_PROT | PF_WRITE)) && (ip + SEGMEXEC_TASK_SIZE == address)) { -+ -+#ifdef CONFIG_PAX_EMUTRAMP -+ switch (pax_handle_fetch_fault(regs)) { -+ case 2: -+ return; -+ } -+#endif -+ -+ pax_report_fault(regs, (void *)ip, (void *)regs->sp); -+ do_group_exit(SIGKILL); -+ } -+#endif -+ -+ } -+#endif - - /* User mode accesses just cause a SIGSEGV */ - if (error_code & PF_USER) { -@@ -855,6 +995,99 @@ static int spurious_fault_check(unsigned - return 1; - } - -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_PAGEEXEC) -+static int pax_handle_pageexec_fault(struct pt_regs *regs, struct mm_struct *mm, unsigned long address, unsigned long error_code) -+{ -+ pte_t *pte; -+ pmd_t *pmd; -+ spinlock_t *ptl; -+ unsigned char pte_mask; -+ -+ if ((__supported_pte_mask & _PAGE_NX) || (error_code & (PF_PROT|PF_USER)) != (PF_PROT|PF_USER) || v8086_mode(regs) || -+ !(mm->pax_flags & MF_PAX_PAGEEXEC)) -+ return 0; -+ -+ /* PaX: it's our fault, let's handle it if we can */ -+ -+ /* PaX: take a look at read faults before acquiring any locks */ -+ if (unlikely(!(error_code & PF_WRITE) && (regs->ip == address))) { -+ /* instruction fetch attempt from a protected page in user mode */ -+ up_read(&mm->mmap_sem); -+ -+#ifdef CONFIG_PAX_EMUTRAMP -+ switch (pax_handle_fetch_fault(regs)) { -+ case 2: -+ return 1; -+ } -+#endif -+ -+ pax_report_fault(regs, (void *)regs->ip, (void *)regs->sp); -+ do_group_exit(SIGKILL); -+ } -+ -+ pmd = pax_get_pmd(mm, address); -+ if (unlikely(!pmd)) -+ return 0; -+ -+ pte = pte_offset_map_lock(mm, pmd, address, &ptl); -+ if (unlikely(!(pte_val(*pte) & _PAGE_PRESENT) || pte_user(*pte))) { -+ pte_unmap_unlock(pte, ptl); -+ return 0; -+ } -+ -+ if (unlikely((error_code & PF_WRITE) && !pte_write(*pte))) { -+ /* write attempt to a protected page in user mode */ -+ pte_unmap_unlock(pte, ptl); -+ return 0; -+ } -+ -+#ifdef CONFIG_SMP -+ if (likely(address > get_limit(regs->cs) && cpu_isset(smp_processor_id(), mm->context.cpu_user_cs_mask))) -+#else -+ if (likely(address > get_limit(regs->cs))) -+#endif -+ { -+ set_pte(pte, pte_mkread(*pte)); -+ __flush_tlb_one(address); -+ pte_unmap_unlock(pte, ptl); -+ up_read(&mm->mmap_sem); -+ return 1; -+ } -+ -+ pte_mask = _PAGE_ACCESSED | _PAGE_USER | ((error_code & PF_WRITE) << (_PAGE_BIT_DIRTY-1)); -+ -+ /* -+ * PaX: fill DTLB with user rights and retry -+ */ -+ __asm__ __volatile__ ( -+ "orb %2,(%1)\n" -+#if defined(CONFIG_M586) || defined(CONFIG_M586TSC) -+/* -+ * PaX: let this uncommented 'invlpg' remind us on the behaviour of Intel's -+ * (and AMD's) TLBs. namely, they do not cache PTEs that would raise *any* -+ * page fault when examined during a TLB load attempt. this is true not only -+ * for PTEs holding a non-present entry but also present entries that will -+ * raise a page fault (such as those set up by PaX, or the copy-on-write -+ * mechanism). in effect it means that we do *not* need to flush the TLBs -+ * for our target pages since their PTEs are simply not in the TLBs at all. -+ -+ * the best thing in omitting it is that we gain around 15-20% speed in the -+ * fast path of the page fault handler and can get rid of tracing since we -+ * can no longer flush unintended entries. -+ */ -+ "invlpg (%0)\n" -+#endif -+ __copyuser_seg"testb $0,(%0)\n" -+ "xorb %3,(%1)\n" -+ : -+ : "r" (address), "r" (pte), "q" (pte_mask), "i" (_PAGE_USER) -+ : "memory", "cc"); -+ pte_unmap_unlock(pte, ptl); -+ up_read(&mm->mmap_sem); -+ return 1; -+} -+#endif -+ - /* - * Handle a spurious fault caused by a stale TLB entry. - * -@@ -927,6 +1160,9 @@ int show_unhandled_signals = 1; - static inline int - access_error(unsigned long error_code, struct vm_area_struct *vma) - { -+ if ((__supported_pte_mask & _PAGE_NX) && (error_code & PF_INSTR) && !(vma->vm_flags & VM_EXEC)) -+ return 1; -+ - if (error_code & PF_WRITE) { - /* write, present and write, not present: */ - if (unlikely(!(vma->vm_flags & VM_WRITE))) -@@ -960,19 +1196,33 @@ do_page_fault(struct pt_regs *regs, unsi - { - struct vm_area_struct *vma; - struct task_struct *tsk; -- unsigned long address; - struct mm_struct *mm; - int fault; - int write = error_code & PF_WRITE; - unsigned int flags = FAULT_FLAG_ALLOW_RETRY | - (write ? FAULT_FLAG_WRITE : 0); - -+ /* Get the faulting address: */ -+ unsigned long address = read_cr2(); -+ -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+ if (!user_mode(regs) && address < 2 * PAX_USER_SHADOW_BASE) { -+ if (!search_exception_tables(regs->ip)) { -+ bad_area_nosemaphore(regs, error_code, address); -+ return; -+ } -+ if (address < PAX_USER_SHADOW_BASE) { -+ printk(KERN_ERR "PAX: please report this to pageexec@freemail.hu\n"); -+ printk(KERN_ERR "PAX: faulting IP: %pA\n", (void *)regs->ip); -+ show_trace_log_lvl(NULL, NULL, (void *)regs->sp, regs->bp, KERN_ERR); -+ } else -+ address -= PAX_USER_SHADOW_BASE; -+ } -+#endif -+ - tsk = current; - mm = tsk->mm; - -- /* Get the faulting address: */ -- address = read_cr2(); -- - /* - * Detect and handle instructions that would cause a page fault for - * both a tracked kernel page and a userspace page. -@@ -1032,7 +1282,7 @@ do_page_fault(struct pt_regs *regs, unsi - * User-mode registers count as a user access even for any - * potential system fault or CPU buglet: - */ -- if (user_mode_vm(regs)) { -+ if (user_mode(regs)) { - local_irq_enable(); - error_code |= PF_USER; - } else { -@@ -1087,6 +1337,11 @@ retry: - might_sleep(); - } - -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_PAGEEXEC) -+ if (pax_handle_pageexec_fault(regs, mm, address, error_code)) -+ return; -+#endif -+ - vma = find_vma(mm, address); - if (unlikely(!vma)) { - bad_area(regs, error_code, address); -@@ -1098,18 +1353,24 @@ retry: - bad_area(regs, error_code, address); - return; - } -- if (error_code & PF_USER) { -- /* -- * Accessing the stack below %sp is always a bug. -- * The large cushion allows instructions like enter -- * and pusha to work. ("enter $65535, $31" pushes -- * 32 pointers and then decrements %sp by 65535.) -- */ -- if (unlikely(address + 65536 + 32 * sizeof(unsigned long) < regs->sp)) { -- bad_area(regs, error_code, address); -- return; -- } -+ /* -+ * Accessing the stack below %sp is always a bug. -+ * The large cushion allows instructions like enter -+ * and pusha to work. ("enter $65535, $31" pushes -+ * 32 pointers and then decrements %sp by 65535.) -+ */ -+ if (unlikely(address + 65536 + 32 * sizeof(unsigned long) < task_pt_regs(tsk)->sp)) { -+ bad_area(regs, error_code, address); -+ return; - } -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (unlikely((mm->pax_flags & MF_PAX_SEGMEXEC) && vma->vm_end - SEGMEXEC_TASK_SIZE - 1 < address - SEGMEXEC_TASK_SIZE - 1)) { -+ bad_area(regs, error_code, address); -+ return; -+ } -+#endif -+ - if (unlikely(expand_stack(vma, address))) { - bad_area(regs, error_code, address); - return; -@@ -1164,3 +1425,199 @@ good_area: - - up_read(&mm->mmap_sem); - } -+ -+#ifdef CONFIG_PAX_EMUTRAMP -+static int pax_handle_fetch_fault_32(struct pt_regs *regs) -+{ -+ int err; -+ -+ do { /* PaX: gcc trampoline emulation #1 */ -+ unsigned char mov1, mov2; -+ unsigned short jmp; -+ unsigned int addr1, addr2; -+ -+#ifdef CONFIG_X86_64 -+ if ((regs->ip + 11) >> 32) -+ break; -+#endif -+ -+ err = get_user(mov1, (unsigned char __user *)regs->ip); -+ err |= get_user(addr1, (unsigned int __user *)(regs->ip + 1)); -+ err |= get_user(mov2, (unsigned char __user *)(regs->ip + 5)); -+ err |= get_user(addr2, (unsigned int __user *)(regs->ip + 6)); -+ err |= get_user(jmp, (unsigned short __user *)(regs->ip + 10)); -+ -+ if (err) -+ break; -+ -+ if (mov1 == 0xB9 && mov2 == 0xB8 && jmp == 0xE0FF) { -+ regs->cx = addr1; -+ regs->ax = addr2; -+ regs->ip = addr2; -+ return 2; -+ } -+ } while (0); -+ -+ do { /* PaX: gcc trampoline emulation #2 */ -+ unsigned char mov, jmp; -+ unsigned int addr1, addr2; -+ -+#ifdef CONFIG_X86_64 -+ if ((regs->ip + 9) >> 32) -+ break; -+#endif -+ -+ err = get_user(mov, (unsigned char __user *)regs->ip); -+ err |= get_user(addr1, (unsigned int __user *)(regs->ip + 1)); -+ err |= get_user(jmp, (unsigned char __user *)(regs->ip + 5)); -+ err |= get_user(addr2, (unsigned int __user *)(regs->ip + 6)); -+ -+ if (err) -+ break; -+ -+ if (mov == 0xB9 && jmp == 0xE9) { -+ regs->cx = addr1; -+ regs->ip = (unsigned int)(regs->ip + addr2 + 10); -+ return 2; -+ } -+ } while (0); -+ -+ return 1; /* PaX in action */ -+} -+ -+#ifdef CONFIG_X86_64 -+static int pax_handle_fetch_fault_64(struct pt_regs *regs) -+{ -+ int err; -+ -+ do { /* PaX: gcc trampoline emulation #1 */ -+ unsigned short mov1, mov2, jmp1; -+ unsigned char jmp2; -+ unsigned int addr1; -+ unsigned long addr2; -+ -+ err = get_user(mov1, (unsigned short __user *)regs->ip); -+ err |= get_user(addr1, (unsigned int __user *)(regs->ip + 2)); -+ err |= get_user(mov2, (unsigned short __user *)(regs->ip + 6)); -+ err |= get_user(addr2, (unsigned long __user *)(regs->ip + 8)); -+ err |= get_user(jmp1, (unsigned short __user *)(regs->ip + 16)); -+ err |= get_user(jmp2, (unsigned char __user *)(regs->ip + 18)); -+ -+ if (err) -+ break; -+ -+ if (mov1 == 0xBB41 && mov2 == 0xBA49 && jmp1 == 0xFF49 && jmp2 == 0xE3) { -+ regs->r11 = addr1; -+ regs->r10 = addr2; -+ regs->ip = addr1; -+ return 2; -+ } -+ } while (0); -+ -+ do { /* PaX: gcc trampoline emulation #2 */ -+ unsigned short mov1, mov2, jmp1; -+ unsigned char jmp2; -+ unsigned long addr1, addr2; -+ -+ err = get_user(mov1, (unsigned short __user *)regs->ip); -+ err |= get_user(addr1, (unsigned long __user *)(regs->ip + 2)); -+ err |= get_user(mov2, (unsigned short __user *)(regs->ip + 10)); -+ err |= get_user(addr2, (unsigned long __user *)(regs->ip + 12)); -+ err |= get_user(jmp1, (unsigned short __user *)(regs->ip + 20)); -+ err |= get_user(jmp2, (unsigned char __user *)(regs->ip + 22)); -+ -+ if (err) -+ break; -+ -+ if (mov1 == 0xBB49 && mov2 == 0xBA49 && jmp1 == 0xFF49 && jmp2 == 0xE3) { -+ regs->r11 = addr1; -+ regs->r10 = addr2; -+ regs->ip = addr1; -+ return 2; -+ } -+ } while (0); -+ -+ return 1; /* PaX in action */ -+} -+#endif -+ -+/* -+ * PaX: decide what to do with offenders (regs->ip = fault address) -+ * -+ * returns 1 when task should be killed -+ * 2 when gcc trampoline was detected -+ */ -+static int pax_handle_fetch_fault(struct pt_regs *regs) -+{ -+ if (v8086_mode(regs)) -+ return 1; -+ -+ if (!(current->mm->pax_flags & MF_PAX_EMUTRAMP)) -+ return 1; -+ -+#ifdef CONFIG_X86_32 -+ return pax_handle_fetch_fault_32(regs); -+#else -+ if (regs->cs == __USER32_CS || (regs->cs & SEGMENT_LDT)) -+ return pax_handle_fetch_fault_32(regs); -+ else -+ return pax_handle_fetch_fault_64(regs); -+#endif -+} -+#endif -+ -+#if defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC) -+void pax_report_insns(void *pc, void *sp) -+{ -+ long i; -+ -+ printk(KERN_ERR "PAX: bytes at PC: "); -+ for (i = 0; i < 20; i++) { -+ unsigned char c; -+ if (get_user(c, (__force unsigned char __user *)pc+i)) -+ printk(KERN_CONT "?? "); -+ else -+ printk(KERN_CONT "%02x ", c); -+ } -+ printk("\n"); -+ -+ printk(KERN_ERR "PAX: bytes at SP-%lu: ", (unsigned long)sizeof(long)); -+ for (i = -1; i < 80 / (long)sizeof(long); i++) { -+ unsigned long c; -+ if (get_user(c, (__force unsigned long __user *)sp+i)) -+#ifdef CONFIG_X86_32 -+ printk(KERN_CONT "???????? "); -+#else -+ printk(KERN_CONT "???????????????? "); -+#endif -+ else -+ printk(KERN_CONT "%0*lx ", 2 * (int)sizeof(long), c); -+ } -+ printk("\n"); -+} -+#endif -+ -+/** -+ * probe_kernel_write(): safely attempt to write to a location -+ * @dst: address to write to -+ * @src: pointer to the data that shall be written -+ * @size: size of the data chunk -+ * -+ * Safely write to address @dst from the buffer at @src. If a kernel fault -+ * happens, handle that and return -EFAULT. -+ */ -+long notrace probe_kernel_write(void *dst, const void *src, size_t size) -+{ -+ long ret; -+ mm_segment_t old_fs = get_fs(); -+ -+ set_fs(KERNEL_DS); -+ pagefault_disable(); -+ pax_open_kernel(); -+ ret = __copy_to_user_inatomic((__force void __user *)dst, src, size); -+ pax_close_kernel(); -+ pagefault_enable(); -+ set_fs(old_fs); -+ -+ return ret ? -EFAULT : 0; -+} -diff -urNp linux-2.6.39.3/arch/x86/mm/gup.c linux-2.6.39.3/arch/x86/mm/gup.c ---- linux-2.6.39.3/arch/x86/mm/gup.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/mm/gup.c 2011-05-22 19:36:30.000000000 -0400 -@@ -263,7 +263,7 @@ int __get_user_pages_fast(unsigned long - addr = start; - len = (unsigned long) nr_pages << PAGE_SHIFT; - end = start + len; -- if (unlikely(!access_ok(write ? VERIFY_WRITE : VERIFY_READ, -+ if (unlikely(!__access_ok(write ? VERIFY_WRITE : VERIFY_READ, - (void __user *)start, len))) - return 0; - -diff -urNp linux-2.6.39.3/arch/x86/mm/highmem_32.c linux-2.6.39.3/arch/x86/mm/highmem_32.c ---- linux-2.6.39.3/arch/x86/mm/highmem_32.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/mm/highmem_32.c 2011-05-22 19:36:30.000000000 -0400 -@@ -44,7 +44,10 @@ void *kmap_atomic_prot(struct page *page - idx = type + KM_TYPE_NR*smp_processor_id(); - vaddr = __fix_to_virt(FIX_KMAP_BEGIN + idx); - BUG_ON(!pte_none(*(kmap_pte-idx))); -+ -+ pax_open_kernel(); - set_pte(kmap_pte-idx, mk_pte(page, prot)); -+ pax_close_kernel(); - - return (void *)vaddr; - } -diff -urNp linux-2.6.39.3/arch/x86/mm/hugetlbpage.c linux-2.6.39.3/arch/x86/mm/hugetlbpage.c ---- linux-2.6.39.3/arch/x86/mm/hugetlbpage.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/mm/hugetlbpage.c 2011-05-22 19:36:30.000000000 -0400 -@@ -266,13 +266,20 @@ static unsigned long hugetlb_get_unmappe - struct hstate *h = hstate_file(file); - struct mm_struct *mm = current->mm; - struct vm_area_struct *vma; -- unsigned long start_addr; -+ unsigned long start_addr, pax_task_size = TASK_SIZE; -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (mm->pax_flags & MF_PAX_SEGMEXEC) -+ pax_task_size = SEGMEXEC_TASK_SIZE; -+#endif -+ -+ pax_task_size -= PAGE_SIZE; - - if (len > mm->cached_hole_size) { -- start_addr = mm->free_area_cache; -+ start_addr = mm->free_area_cache; - } else { -- start_addr = TASK_UNMAPPED_BASE; -- mm->cached_hole_size = 0; -+ start_addr = mm->mmap_base; -+ mm->cached_hole_size = 0; - } - - full_search: -@@ -280,26 +287,27 @@ full_search: - - for (vma = find_vma(mm, addr); ; vma = vma->vm_next) { - /* At this point: (!vma || addr < vma->vm_end). */ -- if (TASK_SIZE - len < addr) { -+ if (pax_task_size - len < addr) { - /* - * Start a new search - just in case we missed - * some holes. - */ -- if (start_addr != TASK_UNMAPPED_BASE) { -- start_addr = TASK_UNMAPPED_BASE; -+ if (start_addr != mm->mmap_base) { -+ start_addr = mm->mmap_base; - mm->cached_hole_size = 0; - goto full_search; - } - return -ENOMEM; - } -- if (!vma || addr + len <= vma->vm_start) { -- mm->free_area_cache = addr + len; -- return addr; -- } -+ if (check_heap_stack_gap(vma, addr, len)) -+ break; - if (addr + mm->cached_hole_size < vma->vm_start) - mm->cached_hole_size = vma->vm_start - addr; - addr = ALIGN(vma->vm_end, huge_page_size(h)); - } -+ -+ mm->free_area_cache = addr + len; -+ return addr; - } - - static unsigned long hugetlb_get_unmapped_area_topdown(struct file *file, -@@ -308,10 +316,9 @@ static unsigned long hugetlb_get_unmappe - { - struct hstate *h = hstate_file(file); - struct mm_struct *mm = current->mm; -- struct vm_area_struct *vma, *prev_vma; -- unsigned long base = mm->mmap_base, addr = addr0; -+ struct vm_area_struct *vma; -+ unsigned long base = mm->mmap_base, addr; - unsigned long largest_hole = mm->cached_hole_size; -- int first_time = 1; - - /* don't allow allocations above current base */ - if (mm->free_area_cache > base) -@@ -321,64 +328,63 @@ static unsigned long hugetlb_get_unmappe - largest_hole = 0; - mm->free_area_cache = base; - } --try_again: -+ - /* make sure it can fit in the remaining address space */ - if (mm->free_area_cache < len) - goto fail; - - /* either no address requested or can't fit in requested address hole */ -- addr = (mm->free_area_cache - len) & huge_page_mask(h); -+ addr = (mm->free_area_cache - len); - do { -+ addr &= huge_page_mask(h); -+ vma = find_vma(mm, addr); - /* - * Lookup failure means no vma is above this address, - * i.e. return with success: -- */ -- if (!(vma = find_vma_prev(mm, addr, &prev_vma))) -- return addr; -- -- /* - * new region fits between prev_vma->vm_end and - * vma->vm_start, use it: - */ -- if (addr + len <= vma->vm_start && -- (!prev_vma || (addr >= prev_vma->vm_end))) { -+ if (check_heap_stack_gap(vma, addr, len)) { - /* remember the address as a hint for next time */ -- mm->cached_hole_size = largest_hole; -- return (mm->free_area_cache = addr); -- } else { -- /* pull free_area_cache down to the first hole */ -- if (mm->free_area_cache == vma->vm_end) { -- mm->free_area_cache = vma->vm_start; -- mm->cached_hole_size = largest_hole; -- } -+ mm->cached_hole_size = largest_hole; -+ return (mm->free_area_cache = addr); -+ } -+ /* pull free_area_cache down to the first hole */ -+ if (mm->free_area_cache == vma->vm_end) { -+ mm->free_area_cache = vma->vm_start; -+ mm->cached_hole_size = largest_hole; - } - - /* remember the largest hole we saw so far */ - if (addr + largest_hole < vma->vm_start) -- largest_hole = vma->vm_start - addr; -+ largest_hole = vma->vm_start - addr; - - /* try just below the current vma->vm_start */ -- addr = (vma->vm_start - len) & huge_page_mask(h); -- } while (len <= vma->vm_start); -+ addr = skip_heap_stack_gap(vma, len); -+ } while (!IS_ERR_VALUE(addr)); - - fail: - /* -- * if hint left us with no space for the requested -- * mapping then try again: -- */ -- if (first_time) { -- mm->free_area_cache = base; -- largest_hole = 0; -- first_time = 0; -- goto try_again; -- } -- /* - * A failed mmap() very likely causes application failure, - * so fall back to the bottom-up function here. This scenario - * can happen with large stack limits and large mmap() - * allocations. - */ -- mm->free_area_cache = TASK_UNMAPPED_BASE; -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (mm->pax_flags & MF_PAX_SEGMEXEC) -+ mm->mmap_base = SEGMEXEC_TASK_UNMAPPED_BASE; -+ else -+#endif -+ -+ mm->mmap_base = TASK_UNMAPPED_BASE; -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) -+ mm->mmap_base += mm->delta_mmap; -+#endif -+ -+ mm->free_area_cache = mm->mmap_base; - mm->cached_hole_size = ~0UL; - addr = hugetlb_get_unmapped_area_bottomup(file, addr0, - len, pgoff, flags); -@@ -386,6 +392,7 @@ fail: - /* - * Restore the topdown base: - */ -+ mm->mmap_base = base; - mm->free_area_cache = base; - mm->cached_hole_size = ~0UL; - -@@ -399,10 +406,19 @@ hugetlb_get_unmapped_area(struct file *f - struct hstate *h = hstate_file(file); - struct mm_struct *mm = current->mm; - struct vm_area_struct *vma; -+ unsigned long pax_task_size = TASK_SIZE; - - if (len & ~huge_page_mask(h)) - return -EINVAL; -- if (len > TASK_SIZE) -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (mm->pax_flags & MF_PAX_SEGMEXEC) -+ pax_task_size = SEGMEXEC_TASK_SIZE; -+#endif -+ -+ pax_task_size -= PAGE_SIZE; -+ -+ if (len > pax_task_size) - return -ENOMEM; - - if (flags & MAP_FIXED) { -@@ -414,8 +430,7 @@ hugetlb_get_unmapped_area(struct file *f - if (addr) { - addr = ALIGN(addr, huge_page_size(h)); - vma = find_vma(mm, addr); -- if (TASK_SIZE - len >= addr && -- (!vma || addr + len <= vma->vm_start)) -+ if (pax_task_size - len >= addr && check_heap_stack_gap(vma, addr, len)) - return addr; - } - if (mm->get_unmapped_area == arch_get_unmapped_area) -diff -urNp linux-2.6.39.3/arch/x86/mm/init_32.c linux-2.6.39.3/arch/x86/mm/init_32.c ---- linux-2.6.39.3/arch/x86/mm/init_32.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/mm/init_32.c 2011-05-22 19:36:30.000000000 -0400 -@@ -74,36 +74,6 @@ static __init void *alloc_low_page(void) - } - - /* -- * Creates a middle page table and puts a pointer to it in the -- * given global directory entry. This only returns the gd entry -- * in non-PAE compilation mode, since the middle layer is folded. -- */ --static pmd_t * __init one_md_table_init(pgd_t *pgd) --{ -- pud_t *pud; -- pmd_t *pmd_table; -- --#ifdef CONFIG_X86_PAE -- if (!(pgd_val(*pgd) & _PAGE_PRESENT)) { -- if (after_bootmem) -- pmd_table = (pmd_t *)alloc_bootmem_pages(PAGE_SIZE); -- else -- pmd_table = (pmd_t *)alloc_low_page(); -- paravirt_alloc_pmd(&init_mm, __pa(pmd_table) >> PAGE_SHIFT); -- set_pgd(pgd, __pgd(__pa(pmd_table) | _PAGE_PRESENT)); -- pud = pud_offset(pgd, 0); -- BUG_ON(pmd_table != pmd_offset(pud, 0)); -- -- return pmd_table; -- } --#endif -- pud = pud_offset(pgd, 0); -- pmd_table = pmd_offset(pud, 0); -- -- return pmd_table; --} -- --/* - * Create a page table and place a pointer to it in a middle page - * directory entry: - */ -@@ -123,13 +93,28 @@ static pte_t * __init one_page_table_ini - page_table = (pte_t *)alloc_low_page(); - - paravirt_alloc_pte(&init_mm, __pa(page_table) >> PAGE_SHIFT); -+#if defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC) -+ set_pmd(pmd, __pmd(__pa(page_table) | _KERNPG_TABLE)); -+#else - set_pmd(pmd, __pmd(__pa(page_table) | _PAGE_TABLE)); -+#endif - BUG_ON(page_table != pte_offset_kernel(pmd, 0)); - } - - return pte_offset_kernel(pmd, 0); - } - -+static pmd_t * __init one_md_table_init(pgd_t *pgd) -+{ -+ pud_t *pud; -+ pmd_t *pmd_table; -+ -+ pud = pud_offset(pgd, 0); -+ pmd_table = pmd_offset(pud, 0); -+ -+ return pmd_table; -+} -+ - pmd_t * __init populate_extra_pmd(unsigned long vaddr) - { - int pgd_idx = pgd_index(vaddr); -@@ -203,6 +188,7 @@ page_table_range_init(unsigned long star - int pgd_idx, pmd_idx; - unsigned long vaddr; - pgd_t *pgd; -+ pud_t *pud; - pmd_t *pmd; - pte_t *pte = NULL; - -@@ -212,8 +198,13 @@ page_table_range_init(unsigned long star - pgd = pgd_base + pgd_idx; - - for ( ; (pgd_idx < PTRS_PER_PGD) && (vaddr != end); pgd++, pgd_idx++) { -- pmd = one_md_table_init(pgd); -- pmd = pmd + pmd_index(vaddr); -+ pud = pud_offset(pgd, vaddr); -+ pmd = pmd_offset(pud, vaddr); -+ -+#ifdef CONFIG_X86_PAE -+ paravirt_alloc_pmd(&init_mm, __pa(pmd) >> PAGE_SHIFT); -+#endif -+ - for (; (pmd_idx < PTRS_PER_PMD) && (vaddr != end); - pmd++, pmd_idx++) { - pte = page_table_kmap_check(one_page_table_init(pmd), -@@ -225,11 +216,20 @@ page_table_range_init(unsigned long star - } - } - --static inline int is_kernel_text(unsigned long addr) -+static inline int is_kernel_text(unsigned long start, unsigned long end) - { -- if (addr >= (unsigned long)_text && addr <= (unsigned long)__init_end) -- return 1; -- return 0; -+ if ((start > ktla_ktva((unsigned long)_etext) || -+ end <= ktla_ktva((unsigned long)_stext)) && -+ (start > ktla_ktva((unsigned long)_einittext) || -+ end <= ktla_ktva((unsigned long)_sinittext)) && -+ -+#ifdef CONFIG_ACPI_SLEEP -+ (start > (unsigned long)__va(acpi_wakeup_address) + 0x4000 || end <= (unsigned long)__va(acpi_wakeup_address)) && -+#endif -+ -+ (start > (unsigned long)__va(0xfffff) || end <= (unsigned long)__va(0xc0000))) -+ return 0; -+ return 1; - } - - /* -@@ -246,9 +246,10 @@ kernel_physical_mapping_init(unsigned lo - unsigned long last_map_addr = end; - unsigned long start_pfn, end_pfn; - pgd_t *pgd_base = swapper_pg_dir; -- int pgd_idx, pmd_idx, pte_ofs; -+ unsigned int pgd_idx, pmd_idx, pte_ofs; - unsigned long pfn; - pgd_t *pgd; -+ pud_t *pud; - pmd_t *pmd; - pte_t *pte; - unsigned pages_2m, pages_4k; -@@ -281,8 +282,13 @@ repeat: - pfn = start_pfn; - pgd_idx = pgd_index((pfn<<PAGE_SHIFT) + PAGE_OFFSET); - pgd = pgd_base + pgd_idx; -- for (; pgd_idx < PTRS_PER_PGD; pgd++, pgd_idx++) { -- pmd = one_md_table_init(pgd); -+ for (; pgd_idx < PTRS_PER_PGD && pfn < max_low_pfn; pgd++, pgd_idx++) { -+ pud = pud_offset(pgd, 0); -+ pmd = pmd_offset(pud, 0); -+ -+#ifdef CONFIG_X86_PAE -+ paravirt_alloc_pmd(&init_mm, __pa(pmd) >> PAGE_SHIFT); -+#endif - - if (pfn >= end_pfn) - continue; -@@ -294,14 +300,13 @@ repeat: - #endif - for (; pmd_idx < PTRS_PER_PMD && pfn < end_pfn; - pmd++, pmd_idx++) { -- unsigned int addr = pfn * PAGE_SIZE + PAGE_OFFSET; -+ unsigned long address = pfn * PAGE_SIZE + PAGE_OFFSET; - - /* - * Map with big pages if possible, otherwise - * create normal page tables: - */ - if (use_pse) { -- unsigned int addr2; - pgprot_t prot = PAGE_KERNEL_LARGE; - /* - * first pass will use the same initial -@@ -311,11 +316,7 @@ repeat: - __pgprot(PTE_IDENT_ATTR | - _PAGE_PSE); - -- addr2 = (pfn + PTRS_PER_PTE-1) * PAGE_SIZE + -- PAGE_OFFSET + PAGE_SIZE-1; -- -- if (is_kernel_text(addr) || -- is_kernel_text(addr2)) -+ if (is_kernel_text(address, address + PMD_SIZE)) - prot = PAGE_KERNEL_LARGE_EXEC; - - pages_2m++; -@@ -332,7 +333,7 @@ repeat: - pte_ofs = pte_index((pfn<<PAGE_SHIFT) + PAGE_OFFSET); - pte += pte_ofs; - for (; pte_ofs < PTRS_PER_PTE && pfn < end_pfn; -- pte++, pfn++, pte_ofs++, addr += PAGE_SIZE) { -+ pte++, pfn++, pte_ofs++, address += PAGE_SIZE) { - pgprot_t prot = PAGE_KERNEL; - /* - * first pass will use the same initial -@@ -340,7 +341,7 @@ repeat: - */ - pgprot_t init_prot = __pgprot(PTE_IDENT_ATTR); - -- if (is_kernel_text(addr)) -+ if (is_kernel_text(address, address + PAGE_SIZE)) - prot = PAGE_KERNEL_EXEC; - - pages_4k++; -@@ -472,7 +473,7 @@ void __init native_pagetable_setup_start - - pud = pud_offset(pgd, va); - pmd = pmd_offset(pud, va); -- if (!pmd_present(*pmd)) -+ if (!pmd_present(*pmd) || pmd_huge(*pmd)) - break; - - pte = pte_offset_kernel(pmd, va); -@@ -524,12 +525,10 @@ void __init early_ioremap_page_table_ran - - static void __init pagetable_init(void) - { -- pgd_t *pgd_base = swapper_pg_dir; -- -- permanent_kmaps_init(pgd_base); -+ permanent_kmaps_init(swapper_pg_dir); - } - --pteval_t __supported_pte_mask __read_mostly = ~(_PAGE_NX | _PAGE_GLOBAL | _PAGE_IOMAP); -+pteval_t __supported_pte_mask __read_only = ~(_PAGE_NX | _PAGE_GLOBAL | _PAGE_IOMAP); - EXPORT_SYMBOL_GPL(__supported_pte_mask); - - /* user-defined highmem size */ -@@ -754,6 +753,12 @@ void __init mem_init(void) - - pci_iommu_alloc(); - -+#ifdef CONFIG_PAX_PER_CPU_PGD -+ clone_pgd_range(get_cpu_pgd(0) + KERNEL_PGD_BOUNDARY, -+ swapper_pg_dir + KERNEL_PGD_BOUNDARY, -+ KERNEL_PGD_PTRS); -+#endif -+ - #ifdef CONFIG_FLATMEM - BUG_ON(!mem_map); - #endif -@@ -771,7 +776,7 @@ void __init mem_init(void) - set_highmem_pages_init(); - - codesize = (unsigned long) &_etext - (unsigned long) &_text; -- datasize = (unsigned long) &_edata - (unsigned long) &_etext; -+ datasize = (unsigned long) &_edata - (unsigned long) &_sdata; - initsize = (unsigned long) &__init_end - (unsigned long) &__init_begin; - - printk(KERN_INFO "Memory: %luk/%luk available (%dk kernel code, " -@@ -812,10 +817,10 @@ void __init mem_init(void) - ((unsigned long)&__init_end - - (unsigned long)&__init_begin) >> 10, - -- (unsigned long)&_etext, (unsigned long)&_edata, -- ((unsigned long)&_edata - (unsigned long)&_etext) >> 10, -+ (unsigned long)&_sdata, (unsigned long)&_edata, -+ ((unsigned long)&_edata - (unsigned long)&_sdata) >> 10, - -- (unsigned long)&_text, (unsigned long)&_etext, -+ ktla_ktva((unsigned long)&_text), ktla_ktva((unsigned long)&_etext), - ((unsigned long)&_etext - (unsigned long)&_text) >> 10); - - /* -@@ -893,6 +898,7 @@ void set_kernel_text_rw(void) - if (!kernel_set_to_readonly) - return; - -+ start = ktla_ktva(start); - pr_debug("Set kernel text: %lx - %lx for read write\n", - start, start+size); - -@@ -907,6 +913,7 @@ void set_kernel_text_ro(void) - if (!kernel_set_to_readonly) - return; - -+ start = ktla_ktva(start); - pr_debug("Set kernel text: %lx - %lx for read only\n", - start, start+size); - -@@ -935,6 +942,7 @@ void mark_rodata_ro(void) - unsigned long start = PFN_ALIGN(_text); - unsigned long size = PFN_ALIGN(_etext) - start; - -+ start = ktla_ktva(start); - set_pages_ro(virt_to_page(start), size >> PAGE_SHIFT); - printk(KERN_INFO "Write protecting the kernel text: %luk\n", - size >> 10); -diff -urNp linux-2.6.39.3/arch/x86/mm/init_64.c linux-2.6.39.3/arch/x86/mm/init_64.c ---- linux-2.6.39.3/arch/x86/mm/init_64.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/mm/init_64.c 2011-05-22 19:36:30.000000000 -0400 -@@ -74,7 +74,7 @@ early_param("gbpages", parse_direct_gbpa - * around without checking the pgd every time. - */ - --pteval_t __supported_pte_mask __read_mostly = ~_PAGE_IOMAP; -+pteval_t __supported_pte_mask __read_only = ~(_PAGE_NX | _PAGE_IOMAP); - EXPORT_SYMBOL_GPL(__supported_pte_mask); - - int force_personality32; -@@ -107,12 +107,22 @@ void sync_global_pgds(unsigned long star - - for (address = start; address <= end; address += PGDIR_SIZE) { - const pgd_t *pgd_ref = pgd_offset_k(address); -+ -+#ifdef CONFIG_PAX_PER_CPU_PGD -+ unsigned long cpu; -+#else - struct page *page; -+#endif - - if (pgd_none(*pgd_ref)) - continue; - - spin_lock(&pgd_lock); -+ -+#ifdef CONFIG_PAX_PER_CPU_PGD -+ for (cpu = 0; cpu < NR_CPUS; ++cpu) { -+ pgd_t *pgd = pgd_offset_cpu(cpu, address); -+#else - list_for_each_entry(page, &pgd_list, lru) { - pgd_t *pgd; - spinlock_t *pgt_lock; -@@ -121,6 +131,7 @@ void sync_global_pgds(unsigned long star - /* the pgt_lock only for Xen */ - pgt_lock = &pgd_page_get_mm(page)->page_table_lock; - spin_lock(pgt_lock); -+#endif - - if (pgd_none(*pgd)) - set_pgd(pgd, *pgd_ref); -@@ -128,7 +139,10 @@ void sync_global_pgds(unsigned long star - BUG_ON(pgd_page_vaddr(*pgd) - != pgd_page_vaddr(*pgd_ref)); - -+#ifndef CONFIG_PAX_PER_CPU_PGD - spin_unlock(pgt_lock); -+#endif -+ - } - spin_unlock(&pgd_lock); - } -@@ -202,7 +216,9 @@ void set_pte_vaddr_pud(pud_t *pud_page, - pmd = fill_pmd(pud, vaddr); - pte = fill_pte(pmd, vaddr); - -+ pax_open_kernel(); - set_pte(pte, new_pte); -+ pax_close_kernel(); - - /* - * It's enough to flush this one mapping. -@@ -261,14 +277,12 @@ static void __init __init_extra_mapping( - pgd = pgd_offset_k((unsigned long)__va(phys)); - if (pgd_none(*pgd)) { - pud = (pud_t *) spp_getpage(); -- set_pgd(pgd, __pgd(__pa(pud) | _KERNPG_TABLE | -- _PAGE_USER)); -+ set_pgd(pgd, __pgd(__pa(pud) | _PAGE_TABLE)); - } - pud = pud_offset(pgd, (unsigned long)__va(phys)); - if (pud_none(*pud)) { - pmd = (pmd_t *) spp_getpage(); -- set_pud(pud, __pud(__pa(pmd) | _KERNPG_TABLE | -- _PAGE_USER)); -+ set_pud(pud, __pud(__pa(pmd) | _PAGE_TABLE)); - } - pmd = pmd_offset(pud, phys); - BUG_ON(!pmd_none(*pmd)); -@@ -698,6 +712,12 @@ void __init mem_init(void) - - pci_iommu_alloc(); - -+#ifdef CONFIG_PAX_PER_CPU_PGD -+ clone_pgd_range(get_cpu_pgd(0) + KERNEL_PGD_BOUNDARY, -+ swapper_pg_dir + KERNEL_PGD_BOUNDARY, -+ KERNEL_PGD_PTRS); -+#endif -+ - /* clear_bss() already clear the empty_zero_page */ - - reservedpages = 0; -@@ -858,8 +878,8 @@ int kern_addr_valid(unsigned long addr) - static struct vm_area_struct gate_vma = { - .vm_start = VSYSCALL_START, - .vm_end = VSYSCALL_START + (VSYSCALL_MAPPED_PAGES * PAGE_SIZE), -- .vm_page_prot = PAGE_READONLY_EXEC, -- .vm_flags = VM_READ | VM_EXEC -+ .vm_page_prot = PAGE_READONLY, -+ .vm_flags = VM_READ - }; - - struct vm_area_struct *get_gate_vma(struct mm_struct *mm) -@@ -893,7 +913,7 @@ int in_gate_area_no_mm(unsigned long add - - const char *arch_vma_name(struct vm_area_struct *vma) - { -- if (vma->vm_mm && vma->vm_start == (long)vma->vm_mm->context.vdso) -+ if (vma->vm_mm && vma->vm_start == vma->vm_mm->context.vdso) - return "[vdso]"; - if (vma == &gate_vma) - return "[vsyscall]"; -diff -urNp linux-2.6.39.3/arch/x86/mm/init.c linux-2.6.39.3/arch/x86/mm/init.c ---- linux-2.6.39.3/arch/x86/mm/init.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/mm/init.c 2011-06-07 19:41:11.000000000 -0400 -@@ -33,7 +33,7 @@ int direct_gbpages - static void __init find_early_table_space(unsigned long end, int use_pse, - int use_gbpages) - { -- unsigned long puds, pmds, ptes, tables, start = 0, good_end = end; -+ unsigned long puds, pmds, ptes, tables, start = 0x100000, good_end = end; - phys_addr_t base; - - puds = (end + PUD_SIZE - 1) >> PUD_SHIFT; -@@ -315,12 +315,34 @@ unsigned long __init_refok init_memory_m - */ - int devmem_is_allowed(unsigned long pagenr) - { -- if (pagenr <= 256) -+#ifdef CONFIG_GRKERNSEC_KMEM -+ /* allow BDA */ -+ if (!pagenr) -+ return 1; -+ /* allow EBDA */ -+ if ((0x9f000 >> PAGE_SHIFT) == pagenr) -+ return 1; -+#else -+ if (!pagenr) -+ return 1; -+#ifdef CONFIG_VM86 -+ if (pagenr < (ISA_START_ADDRESS >> PAGE_SHIFT)) -+ return 1; -+#endif -+#endif -+ -+ if ((ISA_START_ADDRESS >> PAGE_SHIFT) <= pagenr && pagenr < (ISA_END_ADDRESS >> PAGE_SHIFT)) - return 1; -+#ifdef CONFIG_GRKERNSEC_KMEM -+ /* throw out everything else below 1MB */ -+ if (pagenr <= 256) -+ return 0; -+#endif - if (iomem_is_exclusive(pagenr << PAGE_SHIFT)) - return 0; - if (!page_is_ram(pagenr)) - return 1; -+ - return 0; - } - -@@ -375,6 +397,86 @@ void free_init_pages(char *what, unsigne - - void free_initmem(void) - { -+ -+#ifdef CONFIG_PAX_KERNEXEC -+#ifdef CONFIG_X86_32 -+ /* PaX: limit KERNEL_CS to actual size */ -+ unsigned long addr, limit; -+ struct desc_struct d; -+ int cpu; -+ -+ limit = paravirt_enabled() ? ktva_ktla(0xffffffff) : (unsigned long)&_etext; -+ limit = (limit - 1UL) >> PAGE_SHIFT; -+ -+ memset(__LOAD_PHYSICAL_ADDR + PAGE_OFFSET, POISON_FREE_INITMEM, PAGE_SIZE); -+ for (cpu = 0; cpu < NR_CPUS; cpu++) { -+ pack_descriptor(&d, get_desc_base(&get_cpu_gdt_table(cpu)[GDT_ENTRY_KERNEL_CS]), limit, 0x9B, 0xC); -+ write_gdt_entry(get_cpu_gdt_table(cpu), GDT_ENTRY_KERNEL_CS, &d, DESCTYPE_S); -+ } -+ -+ /* PaX: make KERNEL_CS read-only */ -+ addr = PFN_ALIGN(ktla_ktva((unsigned long)&_text)); -+ if (!paravirt_enabled()) -+ set_memory_ro(addr, (PFN_ALIGN(_sdata) - addr) >> PAGE_SHIFT); -+/* -+ for (addr = ktla_ktva((unsigned long)&_text); addr < (unsigned long)&_sdata; addr += PMD_SIZE) { -+ pgd = pgd_offset_k(addr); -+ pud = pud_offset(pgd, addr); -+ pmd = pmd_offset(pud, addr); -+ set_pmd(pmd, __pmd(pmd_val(*pmd) & ~_PAGE_RW)); -+ } -+*/ -+#ifdef CONFIG_X86_PAE -+ set_memory_nx(PFN_ALIGN(__init_begin), (PFN_ALIGN(__init_end) - PFN_ALIGN(__init_begin)) >> PAGE_SHIFT); -+/* -+ for (addr = (unsigned long)&__init_begin; addr < (unsigned long)&__init_end; addr += PMD_SIZE) { -+ pgd = pgd_offset_k(addr); -+ pud = pud_offset(pgd, addr); -+ pmd = pmd_offset(pud, addr); -+ set_pmd(pmd, __pmd(pmd_val(*pmd) | (_PAGE_NX & __supported_pte_mask))); -+ } -+*/ -+#endif -+ -+#ifdef CONFIG_MODULES -+ set_memory_4k((unsigned long)MODULES_EXEC_VADDR, (MODULES_EXEC_END - MODULES_EXEC_VADDR) >> PAGE_SHIFT); -+#endif -+ -+#else -+ pgd_t *pgd; -+ pud_t *pud; -+ pmd_t *pmd; -+ unsigned long addr, end; -+ -+ /* PaX: make kernel code/rodata read-only, rest non-executable */ -+ for (addr = __START_KERNEL_map; addr < __START_KERNEL_map + KERNEL_IMAGE_SIZE; addr += PMD_SIZE) { -+ pgd = pgd_offset_k(addr); -+ pud = pud_offset(pgd, addr); -+ pmd = pmd_offset(pud, addr); -+ if (!pmd_present(*pmd)) -+ continue; -+ if ((unsigned long)_text <= addr && addr < (unsigned long)_sdata) -+ set_pmd(pmd, __pmd(pmd_val(*pmd) & ~_PAGE_RW)); -+ else -+ set_pmd(pmd, __pmd(pmd_val(*pmd) | (_PAGE_NX & __supported_pte_mask))); -+ } -+ -+ addr = (unsigned long)__va(__pa(__START_KERNEL_map)); -+ end = addr + KERNEL_IMAGE_SIZE; -+ for (; addr < end; addr += PMD_SIZE) { -+ pgd = pgd_offset_k(addr); -+ pud = pud_offset(pgd, addr); -+ pmd = pmd_offset(pud, addr); -+ if (!pmd_present(*pmd)) -+ continue; -+ if ((unsigned long)__va(__pa(_text)) <= addr && addr < (unsigned long)__va(__pa(_sdata))) -+ set_pmd(pmd, __pmd(pmd_val(*pmd) & ~_PAGE_RW)); -+ } -+#endif -+ -+ flush_tlb_all(); -+#endif -+ - free_init_pages("unused kernel memory", - (unsigned long)(&__init_begin), - (unsigned long)(&__init_end)); -diff -urNp linux-2.6.39.3/arch/x86/mm/iomap_32.c linux-2.6.39.3/arch/x86/mm/iomap_32.c ---- linux-2.6.39.3/arch/x86/mm/iomap_32.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/mm/iomap_32.c 2011-05-22 19:36:30.000000000 -0400 -@@ -64,7 +64,11 @@ void *kmap_atomic_prot_pfn(unsigned long - type = kmap_atomic_idx_push(); - idx = type + KM_TYPE_NR * smp_processor_id(); - vaddr = __fix_to_virt(FIX_KMAP_BEGIN + idx); -+ -+ pax_open_kernel(); - set_pte(kmap_pte - idx, pfn_pte(pfn, prot)); -+ pax_close_kernel(); -+ - arch_flush_lazy_mmu_mode(); - - return (void *)vaddr; -diff -urNp linux-2.6.39.3/arch/x86/mm/ioremap.c linux-2.6.39.3/arch/x86/mm/ioremap.c ---- linux-2.6.39.3/arch/x86/mm/ioremap.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/mm/ioremap.c 2011-05-22 19:36:30.000000000 -0400 -@@ -104,7 +104,7 @@ static void __iomem *__ioremap_caller(re - for (pfn = phys_addr >> PAGE_SHIFT; pfn <= last_pfn; pfn++) { - int is_ram = page_is_ram(pfn); - -- if (is_ram && pfn_valid(pfn) && !PageReserved(pfn_to_page(pfn))) -+ if (is_ram && pfn_valid(pfn) && (pfn >= 0x100 || !PageReserved(pfn_to_page(pfn)))) - return NULL; - WARN_ON_ONCE(is_ram); - } -@@ -344,7 +344,7 @@ static int __init early_ioremap_debug_se - early_param("early_ioremap_debug", early_ioremap_debug_setup); - - static __initdata int after_paging_init; --static pte_t bm_pte[PAGE_SIZE/sizeof(pte_t)] __page_aligned_bss; -+static pte_t bm_pte[PAGE_SIZE/sizeof(pte_t)] __read_only __aligned(PAGE_SIZE); - - static inline pmd_t * __init early_ioremap_pmd(unsigned long addr) - { -@@ -381,8 +381,7 @@ void __init early_ioremap_init(void) - slot_virt[i] = __fix_to_virt(FIX_BTMAP_BEGIN - NR_FIX_BTMAPS*i); - - pmd = early_ioremap_pmd(fix_to_virt(FIX_BTMAP_BEGIN)); -- memset(bm_pte, 0, sizeof(bm_pte)); -- pmd_populate_kernel(&init_mm, pmd, bm_pte); -+ pmd_populate_user(&init_mm, pmd, bm_pte); - - /* - * The boot-ioremap range spans multiple pmds, for which -diff -urNp linux-2.6.39.3/arch/x86/mm/kmemcheck/kmemcheck.c linux-2.6.39.3/arch/x86/mm/kmemcheck/kmemcheck.c ---- linux-2.6.39.3/arch/x86/mm/kmemcheck/kmemcheck.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/mm/kmemcheck/kmemcheck.c 2011-05-22 19:36:30.000000000 -0400 -@@ -622,9 +622,9 @@ bool kmemcheck_fault(struct pt_regs *reg - * memory (e.g. tracked pages)? For now, we need this to avoid - * invoking kmemcheck for PnP BIOS calls. - */ -- if (regs->flags & X86_VM_MASK) -+ if (v8086_mode(regs)) - return false; -- if (regs->cs != __KERNEL_CS) -+ if (regs->cs != __KERNEL_CS && regs->cs != __KERNEXEC_KERNEL_CS) - return false; - - pte = kmemcheck_pte_lookup(address); -diff -urNp linux-2.6.39.3/arch/x86/mm/mmap.c linux-2.6.39.3/arch/x86/mm/mmap.c ---- linux-2.6.39.3/arch/x86/mm/mmap.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/mm/mmap.c 2011-05-22 19:36:30.000000000 -0400 -@@ -49,7 +49,7 @@ static unsigned int stack_maxrandom_size - * Leave an at least ~128 MB hole with possible stack randomization. - */ - #define MIN_GAP (128*1024*1024UL + stack_maxrandom_size()) --#define MAX_GAP (TASK_SIZE/6*5) -+#define MAX_GAP (pax_task_size/6*5) - - /* - * True on X86_32 or when emulating IA32 on X86_64 -@@ -94,27 +94,40 @@ static unsigned long mmap_rnd(void) - return rnd << PAGE_SHIFT; - } - --static unsigned long mmap_base(void) -+static unsigned long mmap_base(struct mm_struct *mm) - { - unsigned long gap = rlimit(RLIMIT_STACK); -+ unsigned long pax_task_size = TASK_SIZE; -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (mm->pax_flags & MF_PAX_SEGMEXEC) -+ pax_task_size = SEGMEXEC_TASK_SIZE; -+#endif - - if (gap < MIN_GAP) - gap = MIN_GAP; - else if (gap > MAX_GAP) - gap = MAX_GAP; - -- return PAGE_ALIGN(TASK_SIZE - gap - mmap_rnd()); -+ return PAGE_ALIGN(pax_task_size - gap - mmap_rnd()); - } - - /* - * Bottom-up (legacy) layout on X86_32 did not support randomization, X86_64 - * does, but not when emulating X86_32 - */ --static unsigned long mmap_legacy_base(void) -+static unsigned long mmap_legacy_base(struct mm_struct *mm) - { -- if (mmap_is_ia32()) -+ if (mmap_is_ia32()) { -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (mm->pax_flags & MF_PAX_SEGMEXEC) -+ return SEGMEXEC_TASK_UNMAPPED_BASE; -+ else -+#endif -+ - return TASK_UNMAPPED_BASE; -- else -+ } else - return TASK_UNMAPPED_BASE + mmap_rnd(); - } - -@@ -125,11 +138,23 @@ static unsigned long mmap_legacy_base(vo - void arch_pick_mmap_layout(struct mm_struct *mm) - { - if (mmap_is_legacy()) { -- mm->mmap_base = mmap_legacy_base(); -+ mm->mmap_base = mmap_legacy_base(mm); -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) -+ mm->mmap_base += mm->delta_mmap; -+#endif -+ - mm->get_unmapped_area = arch_get_unmapped_area; - mm->unmap_area = arch_unmap_area; - } else { -- mm->mmap_base = mmap_base(); -+ mm->mmap_base = mmap_base(mm); -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) -+ mm->mmap_base -= mm->delta_mmap + mm->delta_stack; -+#endif -+ - mm->get_unmapped_area = arch_get_unmapped_area_topdown; - mm->unmap_area = arch_unmap_area_topdown; - } -diff -urNp linux-2.6.39.3/arch/x86/mm/mmio-mod.c linux-2.6.39.3/arch/x86/mm/mmio-mod.c ---- linux-2.6.39.3/arch/x86/mm/mmio-mod.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/mm/mmio-mod.c 2011-07-06 20:00:13.000000000 -0400 -@@ -195,7 +195,7 @@ static void pre(struct kmmio_probe *p, s - break; - default: - { -- unsigned char *ip = (unsigned char *)instptr; -+ unsigned char *ip = (unsigned char *)ktla_ktva(instptr); - my_trace->opcode = MMIO_UNKNOWN_OP; - my_trace->width = 0; - my_trace->value = (*ip) << 16 | *(ip + 1) << 8 | -@@ -235,7 +235,7 @@ static void post(struct kmmio_probe *p, - static void ioremap_trace_core(resource_size_t offset, unsigned long size, - void __iomem *addr) - { -- static atomic_t next_id; -+ static atomic_unchecked_t next_id; - struct remap_trace *trace = kmalloc(sizeof(*trace), GFP_KERNEL); - /* These are page-unaligned. */ - struct mmiotrace_map map = { -@@ -259,7 +259,7 @@ static void ioremap_trace_core(resource_ - .private = trace - }, - .phys = offset, -- .id = atomic_inc_return(&next_id) -+ .id = atomic_inc_return_unchecked(&next_id) - }; - map.map_id = trace->id; - -diff -urNp linux-2.6.39.3/arch/x86/mm/numa_32.c linux-2.6.39.3/arch/x86/mm/numa_32.c ---- linux-2.6.39.3/arch/x86/mm/numa_32.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/mm/numa_32.c 2011-05-22 19:36:30.000000000 -0400 -@@ -99,7 +99,6 @@ unsigned long node_memmap_size_bytes(int - } - #endif - --extern unsigned long find_max_low_pfn(void); - extern unsigned long highend_pfn, highstart_pfn; - - #define LARGE_PAGE_BYTES (PTRS_PER_PTE * PAGE_SIZE) -diff -urNp linux-2.6.39.3/arch/x86/mm/pageattr.c linux-2.6.39.3/arch/x86/mm/pageattr.c ---- linux-2.6.39.3/arch/x86/mm/pageattr.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/mm/pageattr.c 2011-05-22 19:36:30.000000000 -0400 -@@ -261,7 +261,7 @@ static inline pgprot_t static_protection - */ - #ifdef CONFIG_PCI_BIOS - if (pcibios_enabled && within(pfn, BIOS_BEGIN >> PAGE_SHIFT, BIOS_END >> PAGE_SHIFT)) -- pgprot_val(forbidden) |= _PAGE_NX; -+ pgprot_val(forbidden) |= _PAGE_NX & __supported_pte_mask; - #endif - - /* -@@ -269,9 +269,10 @@ static inline pgprot_t static_protection - * Does not cover __inittext since that is gone later on. On - * 64bit we do not enforce !NX on the low mapping - */ -- if (within(address, (unsigned long)_text, (unsigned long)_etext)) -- pgprot_val(forbidden) |= _PAGE_NX; -+ if (within(address, ktla_ktva((unsigned long)_text), ktla_ktva((unsigned long)_etext))) -+ pgprot_val(forbidden) |= _PAGE_NX & __supported_pte_mask; - -+#ifdef CONFIG_DEBUG_RODATA - /* - * The .rodata section needs to be read-only. Using the pfn - * catches all aliases. -@@ -279,6 +280,7 @@ static inline pgprot_t static_protection - if (within(pfn, __pa((unsigned long)__start_rodata) >> PAGE_SHIFT, - __pa((unsigned long)__end_rodata) >> PAGE_SHIFT)) - pgprot_val(forbidden) |= _PAGE_RW; -+#endif - - #if defined(CONFIG_X86_64) && defined(CONFIG_DEBUG_RODATA) - /* -@@ -317,6 +319,13 @@ static inline pgprot_t static_protection - } - #endif - -+#ifdef CONFIG_PAX_KERNEXEC -+ if (within(pfn, __pa((unsigned long)&_text), __pa((unsigned long)&_sdata))) { -+ pgprot_val(forbidden) |= _PAGE_RW; -+ pgprot_val(forbidden) |= _PAGE_NX & __supported_pte_mask; -+ } -+#endif -+ - prot = __pgprot(pgprot_val(prot) & ~pgprot_val(forbidden)); - - return prot; -@@ -369,23 +378,37 @@ EXPORT_SYMBOL_GPL(lookup_address); - static void __set_pmd_pte(pte_t *kpte, unsigned long address, pte_t pte) - { - /* change init_mm */ -+ pax_open_kernel(); - set_pte_atomic(kpte, pte); -+ - #ifdef CONFIG_X86_32 - if (!SHARED_KERNEL_PMD) { -+ -+#ifdef CONFIG_PAX_PER_CPU_PGD -+ unsigned long cpu; -+#else - struct page *page; -+#endif - -+#ifdef CONFIG_PAX_PER_CPU_PGD -+ for (cpu = 0; cpu < NR_CPUS; ++cpu) { -+ pgd_t *pgd = get_cpu_pgd(cpu); -+#else - list_for_each_entry(page, &pgd_list, lru) { -- pgd_t *pgd; -+ pgd_t *pgd = (pgd_t *)page_address(page); -+#endif -+ - pud_t *pud; - pmd_t *pmd; - -- pgd = (pgd_t *)page_address(page) + pgd_index(address); -+ pgd += pgd_index(address); - pud = pud_offset(pgd, address); - pmd = pmd_offset(pud, address); - set_pte_atomic((pte_t *)pmd, pte); - } - } - #endif -+ pax_close_kernel(); - } - - static int -diff -urNp linux-2.6.39.3/arch/x86/mm/pageattr-test.c linux-2.6.39.3/arch/x86/mm/pageattr-test.c ---- linux-2.6.39.3/arch/x86/mm/pageattr-test.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/mm/pageattr-test.c 2011-05-22 19:36:30.000000000 -0400 -@@ -36,7 +36,7 @@ enum { - - static int pte_testbit(pte_t pte) - { -- return pte_flags(pte) & _PAGE_UNUSED1; -+ return pte_flags(pte) & _PAGE_CPA_TEST; - } - - struct split_state { -diff -urNp linux-2.6.39.3/arch/x86/mm/pat.c linux-2.6.39.3/arch/x86/mm/pat.c ---- linux-2.6.39.3/arch/x86/mm/pat.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/mm/pat.c 2011-05-22 19:36:30.000000000 -0400 -@@ -361,7 +361,7 @@ int free_memtype(u64 start, u64 end) - - if (!entry) { - printk(KERN_INFO "%s:%d freeing invalid memtype %Lx-%Lx\n", -- current->comm, current->pid, start, end); -+ current->comm, task_pid_nr(current), start, end); - return -EINVAL; - } - -@@ -492,8 +492,8 @@ static inline int range_is_allowed(unsig - while (cursor < to) { - if (!devmem_is_allowed(pfn)) { - printk(KERN_INFO -- "Program %s tried to access /dev/mem between %Lx->%Lx.\n", -- current->comm, from, to); -+ "Program %s tried to access /dev/mem between %Lx->%Lx (%Lx).\n", -+ current->comm, from, to, cursor); - return 0; - } - cursor += PAGE_SIZE; -@@ -557,7 +557,7 @@ int kernel_map_sync_memtype(u64 base, un - printk(KERN_INFO - "%s:%d ioremap_change_attr failed %s " - "for %Lx-%Lx\n", -- current->comm, current->pid, -+ current->comm, task_pid_nr(current), - cattr_name(flags), - base, (unsigned long long)(base + size)); - return -EINVAL; -@@ -593,7 +593,7 @@ static int reserve_pfn_range(u64 paddr, - if (want_flags != flags) { - printk(KERN_WARNING - "%s:%d map pfn RAM range req %s for %Lx-%Lx, got %s\n", -- current->comm, current->pid, -+ current->comm, task_pid_nr(current), - cattr_name(want_flags), - (unsigned long long)paddr, - (unsigned long long)(paddr + size), -@@ -615,7 +615,7 @@ static int reserve_pfn_range(u64 paddr, - free_memtype(paddr, paddr + size); - printk(KERN_ERR "%s:%d map pfn expected mapping type %s" - " for %Lx-%Lx, got %s\n", -- current->comm, current->pid, -+ current->comm, task_pid_nr(current), - cattr_name(want_flags), - (unsigned long long)paddr, - (unsigned long long)(paddr + size), -diff -urNp linux-2.6.39.3/arch/x86/mm/pf_in.c linux-2.6.39.3/arch/x86/mm/pf_in.c ---- linux-2.6.39.3/arch/x86/mm/pf_in.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/mm/pf_in.c 2011-07-06 20:00:13.000000000 -0400 -@@ -148,7 +148,7 @@ enum reason_type get_ins_type(unsigned l - int i; - enum reason_type rv = OTHERS; - -- p = (unsigned char *)ins_addr; -+ p = (unsigned char *)ktla_ktva(ins_addr); - p += skip_prefix(p, &prf); - p += get_opcode(p, &opcode); - -@@ -168,7 +168,7 @@ static unsigned int get_ins_reg_width(un - struct prefix_bits prf; - int i; - -- p = (unsigned char *)ins_addr; -+ p = (unsigned char *)ktla_ktva(ins_addr); - p += skip_prefix(p, &prf); - p += get_opcode(p, &opcode); - -@@ -191,7 +191,7 @@ unsigned int get_ins_mem_width(unsigned - struct prefix_bits prf; - int i; - -- p = (unsigned char *)ins_addr; -+ p = (unsigned char *)ktla_ktva(ins_addr); - p += skip_prefix(p, &prf); - p += get_opcode(p, &opcode); - -@@ -416,7 +416,7 @@ unsigned long get_ins_reg_val(unsigned l - int i; - unsigned long rv; - -- p = (unsigned char *)ins_addr; -+ p = (unsigned char *)ktla_ktva(ins_addr); - p += skip_prefix(p, &prf); - p += get_opcode(p, &opcode); - for (i = 0; i < ARRAY_SIZE(reg_rop); i++) -@@ -476,7 +476,7 @@ unsigned long get_ins_imm_val(unsigned l - int i; - unsigned long rv; - -- p = (unsigned char *)ins_addr; -+ p = (unsigned char *)ktla_ktva(ins_addr); - p += skip_prefix(p, &prf); - p += get_opcode(p, &opcode); - for (i = 0; i < ARRAY_SIZE(imm_wop); i++) -diff -urNp linux-2.6.39.3/arch/x86/mm/pgtable_32.c linux-2.6.39.3/arch/x86/mm/pgtable_32.c ---- linux-2.6.39.3/arch/x86/mm/pgtable_32.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/mm/pgtable_32.c 2011-05-22 19:36:30.000000000 -0400 -@@ -48,10 +48,13 @@ void set_pte_vaddr(unsigned long vaddr, - return; - } - pte = pte_offset_kernel(pmd, vaddr); -+ -+ pax_open_kernel(); - if (pte_val(pteval)) - set_pte_at(&init_mm, vaddr, pte, pteval); - else - pte_clear(&init_mm, vaddr, pte); -+ pax_close_kernel(); - - /* - * It's enough to flush this one mapping. -diff -urNp linux-2.6.39.3/arch/x86/mm/pgtable.c linux-2.6.39.3/arch/x86/mm/pgtable.c ---- linux-2.6.39.3/arch/x86/mm/pgtable.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/mm/pgtable.c 2011-05-22 19:36:30.000000000 -0400 -@@ -84,10 +84,52 @@ static inline void pgd_list_del(pgd_t *p - list_del(&page->lru); - } - --#define UNSHARED_PTRS_PER_PGD \ -- (SHARED_KERNEL_PMD ? KERNEL_PGD_BOUNDARY : PTRS_PER_PGD) -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+pgdval_t clone_pgd_mask __read_only = ~_PAGE_PRESENT; - -+void __shadow_user_pgds(pgd_t *dst, const pgd_t *src, int count) -+{ -+ while (count--) -+ *dst++ = __pgd((pgd_val(*src++) | (_PAGE_NX & __supported_pte_mask)) & ~_PAGE_USER); -+} -+#endif -+ -+#ifdef CONFIG_PAX_PER_CPU_PGD -+void __clone_user_pgds(pgd_t *dst, const pgd_t *src, int count) -+{ -+ while (count--) -+ -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+ *dst++ = __pgd(pgd_val(*src++) & clone_pgd_mask); -+#else -+ *dst++ = *src++; -+#endif - -+} -+#endif -+ -+#ifdef CONFIG_X86_64 -+#define pxd_t pud_t -+#define pyd_t pgd_t -+#define paravirt_release_pxd(pfn) paravirt_release_pud(pfn) -+#define pxd_free(mm, pud) pud_free((mm), (pud)) -+#define pyd_populate(mm, pgd, pud) pgd_populate((mm), (pgd), (pud)) -+#define pyd_offset(mm ,address) pgd_offset((mm), (address)) -+#define PYD_SIZE PGDIR_SIZE -+#else -+#define pxd_t pmd_t -+#define pyd_t pud_t -+#define paravirt_release_pxd(pfn) paravirt_release_pmd(pfn) -+#define pxd_free(mm, pud) pmd_free((mm), (pud)) -+#define pyd_populate(mm, pgd, pud) pud_populate((mm), (pgd), (pud)) -+#define pyd_offset(mm ,address) pud_offset((mm), (address)) -+#define PYD_SIZE PUD_SIZE -+#endif -+ -+#ifdef CONFIG_PAX_PER_CPU_PGD -+static inline void pgd_ctor(struct mm_struct *mm, pgd_t *pgd) {} -+static inline void pgd_dtor(pgd_t *pgd) {} -+#else - static void pgd_set_mm(pgd_t *pgd, struct mm_struct *mm) - { - BUILD_BUG_ON(sizeof(virt_to_page(pgd)->index) < sizeof(mm)); -@@ -128,6 +170,7 @@ static void pgd_dtor(pgd_t *pgd) - pgd_list_del(pgd); - spin_unlock(&pgd_lock); - } -+#endif - - /* - * List of all pgd's needed for non-PAE so it can invalidate entries -@@ -140,7 +183,7 @@ static void pgd_dtor(pgd_t *pgd) - * -- wli - */ - --#ifdef CONFIG_X86_PAE -+#if defined(CONFIG_X86_32) && defined(CONFIG_X86_PAE) - /* - * In PAE mode, we need to do a cr3 reload (=tlb flush) when - * updating the top-level pagetable entries to guarantee the -@@ -152,7 +195,7 @@ static void pgd_dtor(pgd_t *pgd) - * not shared between pagetables (!SHARED_KERNEL_PMDS), we allocate - * and initialize the kernel pmds here. - */ --#define PREALLOCATED_PMDS UNSHARED_PTRS_PER_PGD -+#define PREALLOCATED_PXDS (SHARED_KERNEL_PMD ? KERNEL_PGD_BOUNDARY : PTRS_PER_PGD) - - void pud_populate(struct mm_struct *mm, pud_t *pudp, pmd_t *pmd) - { -@@ -170,36 +213,38 @@ void pud_populate(struct mm_struct *mm, - */ - flush_tlb_mm(mm); - } -+#elif defined(CONFIG_X86_64) && defined(CONFIG_PAX_PER_CPU_PGD) -+#define PREALLOCATED_PXDS USER_PGD_PTRS - #else /* !CONFIG_X86_PAE */ - - /* No need to prepopulate any pagetable entries in non-PAE modes. */ --#define PREALLOCATED_PMDS 0 -+#define PREALLOCATED_PXDS 0 - - #endif /* CONFIG_X86_PAE */ - --static void free_pmds(pmd_t *pmds[]) -+static void free_pxds(pxd_t *pxds[]) - { - int i; - -- for(i = 0; i < PREALLOCATED_PMDS; i++) -- if (pmds[i]) -- free_page((unsigned long)pmds[i]); -+ for(i = 0; i < PREALLOCATED_PXDS; i++) -+ if (pxds[i]) -+ free_page((unsigned long)pxds[i]); - } - --static int preallocate_pmds(pmd_t *pmds[]) -+static int preallocate_pxds(pxd_t *pxds[]) - { - int i; - bool failed = false; - -- for(i = 0; i < PREALLOCATED_PMDS; i++) { -- pmd_t *pmd = (pmd_t *)__get_free_page(PGALLOC_GFP); -- if (pmd == NULL) -+ for(i = 0; i < PREALLOCATED_PXDS; i++) { -+ pxd_t *pxd = (pxd_t *)__get_free_page(PGALLOC_GFP); -+ if (pxd == NULL) - failed = true; -- pmds[i] = pmd; -+ pxds[i] = pxd; - } - - if (failed) { -- free_pmds(pmds); -+ free_pxds(pxds); - return -ENOMEM; - } - -@@ -212,51 +257,55 @@ static int preallocate_pmds(pmd_t *pmds[ - * preallocate which never got a corresponding vma will need to be - * freed manually. - */ --static void pgd_mop_up_pmds(struct mm_struct *mm, pgd_t *pgdp) -+static void pgd_mop_up_pxds(struct mm_struct *mm, pgd_t *pgdp) - { - int i; - -- for(i = 0; i < PREALLOCATED_PMDS; i++) { -+ for(i = 0; i < PREALLOCATED_PXDS; i++) { - pgd_t pgd = pgdp[i]; - - if (pgd_val(pgd) != 0) { -- pmd_t *pmd = (pmd_t *)pgd_page_vaddr(pgd); -+ pxd_t *pxd = (pxd_t *)pgd_page_vaddr(pgd); - -- pgdp[i] = native_make_pgd(0); -+ set_pgd(pgdp + i, native_make_pgd(0)); - -- paravirt_release_pmd(pgd_val(pgd) >> PAGE_SHIFT); -- pmd_free(mm, pmd); -+ paravirt_release_pxd(pgd_val(pgd) >> PAGE_SHIFT); -+ pxd_free(mm, pxd); - } - } - } - --static void pgd_prepopulate_pmd(struct mm_struct *mm, pgd_t *pgd, pmd_t *pmds[]) -+static void pgd_prepopulate_pxd(struct mm_struct *mm, pgd_t *pgd, pxd_t *pxds[]) - { -- pud_t *pud; -+ pyd_t *pyd; - unsigned long addr; - int i; - -- if (PREALLOCATED_PMDS == 0) /* Work around gcc-3.4.x bug */ -+ if (PREALLOCATED_PXDS == 0) /* Work around gcc-3.4.x bug */ - return; - -- pud = pud_offset(pgd, 0); -+#ifdef CONFIG_X86_64 -+ pyd = pyd_offset(mm, 0L); -+#else -+ pyd = pyd_offset(pgd, 0L); -+#endif - -- for (addr = i = 0; i < PREALLOCATED_PMDS; -- i++, pud++, addr += PUD_SIZE) { -- pmd_t *pmd = pmds[i]; -+ for (addr = i = 0; i < PREALLOCATED_PXDS; -+ i++, pyd++, addr += PYD_SIZE) { -+ pxd_t *pxd = pxds[i]; - - if (i >= KERNEL_PGD_BOUNDARY) -- memcpy(pmd, (pmd_t *)pgd_page_vaddr(swapper_pg_dir[i]), -- sizeof(pmd_t) * PTRS_PER_PMD); -+ memcpy(pxd, (pxd_t *)pgd_page_vaddr(swapper_pg_dir[i]), -+ sizeof(pxd_t) * PTRS_PER_PMD); - -- pud_populate(mm, pud, pmd); -+ pyd_populate(mm, pyd, pxd); - } - } - - pgd_t *pgd_alloc(struct mm_struct *mm) - { - pgd_t *pgd; -- pmd_t *pmds[PREALLOCATED_PMDS]; -+ pxd_t *pxds[PREALLOCATED_PXDS]; - - pgd = (pgd_t *)__get_free_page(PGALLOC_GFP); - -@@ -265,11 +314,11 @@ pgd_t *pgd_alloc(struct mm_struct *mm) - - mm->pgd = pgd; - -- if (preallocate_pmds(pmds) != 0) -+ if (preallocate_pxds(pxds) != 0) - goto out_free_pgd; - - if (paravirt_pgd_alloc(mm) != 0) -- goto out_free_pmds; -+ goto out_free_pxds; - - /* - * Make sure that pre-populating the pmds is atomic with -@@ -279,14 +328,14 @@ pgd_t *pgd_alloc(struct mm_struct *mm) - spin_lock(&pgd_lock); - - pgd_ctor(mm, pgd); -- pgd_prepopulate_pmd(mm, pgd, pmds); -+ pgd_prepopulate_pxd(mm, pgd, pxds); - - spin_unlock(&pgd_lock); - - return pgd; - --out_free_pmds: -- free_pmds(pmds); -+out_free_pxds: -+ free_pxds(pxds); - out_free_pgd: - free_page((unsigned long)pgd); - out: -@@ -295,7 +344,7 @@ out: - - void pgd_free(struct mm_struct *mm, pgd_t *pgd) - { -- pgd_mop_up_pmds(mm, pgd); -+ pgd_mop_up_pxds(mm, pgd); - pgd_dtor(pgd); - paravirt_pgd_free(mm, pgd); - free_page((unsigned long)pgd); -diff -urNp linux-2.6.39.3/arch/x86/mm/setup_nx.c linux-2.6.39.3/arch/x86/mm/setup_nx.c ---- linux-2.6.39.3/arch/x86/mm/setup_nx.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/mm/setup_nx.c 2011-05-22 19:36:30.000000000 -0400 -@@ -5,8 +5,10 @@ - #include <asm/pgtable.h> - #include <asm/proto.h> - -+#if defined(CONFIG_X86_64) || defined(CONFIG_X86_PAE) - static int disable_nx __cpuinitdata; - -+#ifndef CONFIG_PAX_PAGEEXEC - /* - * noexec = on|off - * -@@ -28,12 +30,17 @@ static int __init noexec_setup(char *str - return 0; - } - early_param("noexec", noexec_setup); -+#endif -+ -+#endif - - void __cpuinit x86_configure_nx(void) - { -+#if defined(CONFIG_X86_64) || defined(CONFIG_X86_PAE) - if (cpu_has_nx && !disable_nx) - __supported_pte_mask |= _PAGE_NX; - else -+#endif - __supported_pte_mask &= ~_PAGE_NX; - } - -diff -urNp linux-2.6.39.3/arch/x86/mm/tlb.c linux-2.6.39.3/arch/x86/mm/tlb.c ---- linux-2.6.39.3/arch/x86/mm/tlb.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/mm/tlb.c 2011-05-22 19:36:30.000000000 -0400 -@@ -65,7 +65,11 @@ void leave_mm(int cpu) - BUG(); - cpumask_clear_cpu(cpu, - mm_cpumask(percpu_read(cpu_tlbstate.active_mm))); -+ -+#ifndef CONFIG_PAX_PER_CPU_PGD - load_cr3(swapper_pg_dir); -+#endif -+ - } - EXPORT_SYMBOL_GPL(leave_mm); - -diff -urNp linux-2.6.39.3/arch/x86/oprofile/backtrace.c linux-2.6.39.3/arch/x86/oprofile/backtrace.c ---- linux-2.6.39.3/arch/x86/oprofile/backtrace.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/oprofile/backtrace.c 2011-05-22 19:36:30.000000000 -0400 -@@ -57,7 +57,7 @@ dump_user_backtrace_32(struct stack_fram - struct stack_frame_ia32 *fp; - - /* Also check accessibility of one struct frame_head beyond */ -- if (!access_ok(VERIFY_READ, head, sizeof(bufhead))) -+ if (!__access_ok(VERIFY_READ, head, sizeof(bufhead))) - return NULL; - if (__copy_from_user_inatomic(bufhead, head, sizeof(bufhead))) - return NULL; -@@ -123,7 +123,7 @@ x86_backtrace(struct pt_regs * const reg - { - struct stack_frame *head = (struct stack_frame *)frame_pointer(regs); - -- if (!user_mode_vm(regs)) { -+ if (!user_mode(regs)) { - unsigned long stack = kernel_stack_pointer(regs); - if (depth) - dump_trace(NULL, regs, (unsigned long *)stack, 0, -diff -urNp linux-2.6.39.3/arch/x86/pci/ce4100.c linux-2.6.39.3/arch/x86/pci/ce4100.c ---- linux-2.6.39.3/arch/x86/pci/ce4100.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/pci/ce4100.c 2011-05-22 19:36:30.000000000 -0400 -@@ -302,7 +302,7 @@ static int ce4100_conf_write(unsigned in - return pci_direct_conf1.write(seg, bus, devfn, reg, len, value); - } - --struct pci_raw_ops ce4100_pci_conf = { -+const struct pci_raw_ops ce4100_pci_conf = { - .read = ce4100_conf_read, - .write = ce4100_conf_write, - }; -diff -urNp linux-2.6.39.3/arch/x86/pci/common.c linux-2.6.39.3/arch/x86/pci/common.c ---- linux-2.6.39.3/arch/x86/pci/common.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/pci/common.c 2011-05-22 19:36:30.000000000 -0400 -@@ -33,8 +33,8 @@ int noioapicreroute = 1; - int pcibios_last_bus = -1; - unsigned long pirq_table_addr; - struct pci_bus *pci_root_bus; --struct pci_raw_ops *raw_pci_ops; --struct pci_raw_ops *raw_pci_ext_ops; -+const struct pci_raw_ops *raw_pci_ops; -+const struct pci_raw_ops *raw_pci_ext_ops; - - int raw_pci_read(unsigned int domain, unsigned int bus, unsigned int devfn, - int reg, int len, u32 *val) -diff -urNp linux-2.6.39.3/arch/x86/pci/direct.c linux-2.6.39.3/arch/x86/pci/direct.c ---- linux-2.6.39.3/arch/x86/pci/direct.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/pci/direct.c 2011-05-22 19:36:30.000000000 -0400 -@@ -79,7 +79,7 @@ static int pci_conf1_write(unsigned int - - #undef PCI_CONF1_ADDRESS - --struct pci_raw_ops pci_direct_conf1 = { -+const struct pci_raw_ops pci_direct_conf1 = { - .read = pci_conf1_read, - .write = pci_conf1_write, - }; -@@ -173,7 +173,7 @@ static int pci_conf2_write(unsigned int - - #undef PCI_CONF2_ADDRESS - --struct pci_raw_ops pci_direct_conf2 = { -+const struct pci_raw_ops pci_direct_conf2 = { - .read = pci_conf2_read, - .write = pci_conf2_write, - }; -@@ -189,7 +189,7 @@ struct pci_raw_ops pci_direct_conf2 = { - * This should be close to trivial, but it isn't, because there are buggy - * chipsets (yes, you guessed it, by Intel and Compaq) that have no class ID. - */ --static int __init pci_sanity_check(struct pci_raw_ops *o) -+static int __init pci_sanity_check(const struct pci_raw_ops *o) - { - u32 x = 0; - int year, devfn; -diff -urNp linux-2.6.39.3/arch/x86/pci/fixup.c linux-2.6.39.3/arch/x86/pci/fixup.c ---- linux-2.6.39.3/arch/x86/pci/fixup.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/pci/fixup.c 2011-05-22 19:36:30.000000000 -0400 -@@ -435,7 +435,7 @@ static const struct dmi_system_id __devi - DMI_MATCH(DMI_PRODUCT_VERSION, "PSA40U"), - }, - }, -- { } -+ {} - }; - - static void __devinit pci_pre_fixup_toshiba_ohci1394(struct pci_dev *dev) -diff -urNp linux-2.6.39.3/arch/x86/pci/mmconfig_32.c linux-2.6.39.3/arch/x86/pci/mmconfig_32.c ---- linux-2.6.39.3/arch/x86/pci/mmconfig_32.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/pci/mmconfig_32.c 2011-05-22 19:36:30.000000000 -0400 -@@ -117,7 +117,7 @@ static int pci_mmcfg_write(unsigned int - return 0; - } - --static struct pci_raw_ops pci_mmcfg = { -+static const struct pci_raw_ops pci_mmcfg = { - .read = pci_mmcfg_read, - .write = pci_mmcfg_write, - }; -diff -urNp linux-2.6.39.3/arch/x86/pci/mmconfig_64.c linux-2.6.39.3/arch/x86/pci/mmconfig_64.c ---- linux-2.6.39.3/arch/x86/pci/mmconfig_64.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/pci/mmconfig_64.c 2011-05-22 19:36:30.000000000 -0400 -@@ -81,7 +81,7 @@ static int pci_mmcfg_write(unsigned int - return 0; - } - --static struct pci_raw_ops pci_mmcfg = { -+static const struct pci_raw_ops pci_mmcfg = { - .read = pci_mmcfg_read, - .write = pci_mmcfg_write, - }; -diff -urNp linux-2.6.39.3/arch/x86/pci/mrst.c linux-2.6.39.3/arch/x86/pci/mrst.c ---- linux-2.6.39.3/arch/x86/pci/mrst.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/pci/mrst.c 2011-05-22 19:36:30.000000000 -0400 -@@ -218,7 +218,7 @@ static int mrst_pci_irq_enable(struct pc - return 0; - } - --struct pci_ops pci_mrst_ops = { -+const struct pci_ops pci_mrst_ops = { - .read = pci_read, - .write = pci_write, - }; -diff -urNp linux-2.6.39.3/arch/x86/pci/numaq_32.c linux-2.6.39.3/arch/x86/pci/numaq_32.c ---- linux-2.6.39.3/arch/x86/pci/numaq_32.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/pci/numaq_32.c 2011-05-22 19:36:30.000000000 -0400 -@@ -108,7 +108,7 @@ static int pci_conf1_mq_write(unsigned i - - #undef PCI_CONF1_MQ_ADDRESS - --static struct pci_raw_ops pci_direct_conf1_mq = { -+static const struct pci_raw_ops pci_direct_conf1_mq = { - .read = pci_conf1_mq_read, - .write = pci_conf1_mq_write - }; -diff -urNp linux-2.6.39.3/arch/x86/pci/olpc.c linux-2.6.39.3/arch/x86/pci/olpc.c ---- linux-2.6.39.3/arch/x86/pci/olpc.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/pci/olpc.c 2011-05-22 19:36:30.000000000 -0400 -@@ -297,7 +297,7 @@ static int pci_olpc_write(unsigned int s - return 0; - } - --static struct pci_raw_ops pci_olpc_conf = { -+static const struct pci_raw_ops pci_olpc_conf = { - .read = pci_olpc_read, - .write = pci_olpc_write, - }; -diff -urNp linux-2.6.39.3/arch/x86/pci/pcbios.c linux-2.6.39.3/arch/x86/pci/pcbios.c ---- linux-2.6.39.3/arch/x86/pci/pcbios.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/pci/pcbios.c 2011-05-22 19:36:30.000000000 -0400 -@@ -79,50 +79,93 @@ union bios32 { - static struct { - unsigned long address; - unsigned short segment; --} bios32_indirect = { 0, __KERNEL_CS }; -+} bios32_indirect __read_only = { 0, __PCIBIOS_CS }; - - /* - * Returns the entry point for the given service, NULL on error - */ - --static unsigned long bios32_service(unsigned long service) -+static unsigned long __devinit bios32_service(unsigned long service) - { - unsigned char return_code; /* %al */ - unsigned long address; /* %ebx */ - unsigned long length; /* %ecx */ - unsigned long entry; /* %edx */ - unsigned long flags; -+ struct desc_struct d, *gdt; - - local_irq_save(flags); -- __asm__("lcall *(%%edi); cld" -+ -+ gdt = get_cpu_gdt_table(smp_processor_id()); -+ -+ pack_descriptor(&d, 0UL, 0xFFFFFUL, 0x9B, 0xC); -+ write_gdt_entry(gdt, GDT_ENTRY_PCIBIOS_CS, &d, DESCTYPE_S); -+ pack_descriptor(&d, 0UL, 0xFFFFFUL, 0x93, 0xC); -+ write_gdt_entry(gdt, GDT_ENTRY_PCIBIOS_DS, &d, DESCTYPE_S); -+ -+ __asm__("movw %w7, %%ds; lcall *(%%edi); push %%ss; pop %%ds; cld" - : "=a" (return_code), - "=b" (address), - "=c" (length), - "=d" (entry) - : "0" (service), - "1" (0), -- "D" (&bios32_indirect)); -+ "D" (&bios32_indirect), -+ "r"(__PCIBIOS_DS) -+ : "memory"); -+ -+ pax_open_kernel(); -+ gdt[GDT_ENTRY_PCIBIOS_CS].a = 0; -+ gdt[GDT_ENTRY_PCIBIOS_CS].b = 0; -+ gdt[GDT_ENTRY_PCIBIOS_DS].a = 0; -+ gdt[GDT_ENTRY_PCIBIOS_DS].b = 0; -+ pax_close_kernel(); -+ - local_irq_restore(flags); - - switch (return_code) { -- case 0: -- return address + entry; -- case 0x80: /* Not present */ -- printk(KERN_WARNING "bios32_service(0x%lx): not present\n", service); -- return 0; -- default: /* Shouldn't happen */ -- printk(KERN_WARNING "bios32_service(0x%lx): returned 0x%x -- BIOS bug!\n", -- service, return_code); -+ case 0: { -+ int cpu; -+ unsigned char flags; -+ -+ printk(KERN_INFO "bios32_service: base:%08lx length:%08lx entry:%08lx\n", address, length, entry); -+ if (address >= 0xFFFF0 || length > 0x100000 - address || length <= entry) { -+ printk(KERN_WARNING "bios32_service: not valid\n"); - return 0; -+ } -+ address = address + PAGE_OFFSET; -+ length += 16UL; /* some BIOSs underreport this... */ -+ flags = 4; -+ if (length >= 64*1024*1024) { -+ length >>= PAGE_SHIFT; -+ flags |= 8; -+ } -+ -+ for (cpu = 0; cpu < NR_CPUS; cpu++) { -+ gdt = get_cpu_gdt_table(cpu); -+ pack_descriptor(&d, address, length, 0x9b, flags); -+ write_gdt_entry(gdt, GDT_ENTRY_PCIBIOS_CS, &d, DESCTYPE_S); -+ pack_descriptor(&d, address, length, 0x93, flags); -+ write_gdt_entry(gdt, GDT_ENTRY_PCIBIOS_DS, &d, DESCTYPE_S); -+ } -+ return entry; -+ } -+ case 0x80: /* Not present */ -+ printk(KERN_WARNING "bios32_service(0x%lx): not present\n", service); -+ return 0; -+ default: /* Shouldn't happen */ -+ printk(KERN_WARNING "bios32_service(0x%lx): returned 0x%x -- BIOS bug!\n", -+ service, return_code); -+ return 0; - } - } - - static struct { - unsigned long address; - unsigned short segment; --} pci_indirect = { 0, __KERNEL_CS }; -+} pci_indirect __read_only = { 0, __PCIBIOS_CS }; - --static int pci_bios_present; -+static int pci_bios_present __read_only; - - static int __devinit check_pcibios(void) - { -@@ -131,11 +174,13 @@ static int __devinit check_pcibios(void) - unsigned long flags, pcibios_entry; - - if ((pcibios_entry = bios32_service(PCI_SERVICE))) { -- pci_indirect.address = pcibios_entry + PAGE_OFFSET; -+ pci_indirect.address = pcibios_entry; - - local_irq_save(flags); -- __asm__( -- "lcall *(%%edi); cld\n\t" -+ __asm__("movw %w6, %%ds\n\t" -+ "lcall *%%ss:(%%edi); cld\n\t" -+ "push %%ss\n\t" -+ "pop %%ds\n\t" - "jc 1f\n\t" - "xor %%ah, %%ah\n" - "1:" -@@ -144,7 +189,8 @@ static int __devinit check_pcibios(void) - "=b" (ebx), - "=c" (ecx) - : "1" (PCIBIOS_PCI_BIOS_PRESENT), -- "D" (&pci_indirect) -+ "D" (&pci_indirect), -+ "r" (__PCIBIOS_DS) - : "memory"); - local_irq_restore(flags); - -@@ -188,7 +234,10 @@ static int pci_bios_read(unsigned int se - - switch (len) { - case 1: -- __asm__("lcall *(%%esi); cld\n\t" -+ __asm__("movw %w6, %%ds\n\t" -+ "lcall *%%ss:(%%esi); cld\n\t" -+ "push %%ss\n\t" -+ "pop %%ds\n\t" - "jc 1f\n\t" - "xor %%ah, %%ah\n" - "1:" -@@ -197,7 +246,8 @@ static int pci_bios_read(unsigned int se - : "1" (PCIBIOS_READ_CONFIG_BYTE), - "b" (bx), - "D" ((long)reg), -- "S" (&pci_indirect)); -+ "S" (&pci_indirect), -+ "r" (__PCIBIOS_DS)); - /* - * Zero-extend the result beyond 8 bits, do not trust the - * BIOS having done it: -@@ -205,7 +255,10 @@ static int pci_bios_read(unsigned int se - *value &= 0xff; - break; - case 2: -- __asm__("lcall *(%%esi); cld\n\t" -+ __asm__("movw %w6, %%ds\n\t" -+ "lcall *%%ss:(%%esi); cld\n\t" -+ "push %%ss\n\t" -+ "pop %%ds\n\t" - "jc 1f\n\t" - "xor %%ah, %%ah\n" - "1:" -@@ -214,7 +267,8 @@ static int pci_bios_read(unsigned int se - : "1" (PCIBIOS_READ_CONFIG_WORD), - "b" (bx), - "D" ((long)reg), -- "S" (&pci_indirect)); -+ "S" (&pci_indirect), -+ "r" (__PCIBIOS_DS)); - /* - * Zero-extend the result beyond 16 bits, do not trust the - * BIOS having done it: -@@ -222,7 +276,10 @@ static int pci_bios_read(unsigned int se - *value &= 0xffff; - break; - case 4: -- __asm__("lcall *(%%esi); cld\n\t" -+ __asm__("movw %w6, %%ds\n\t" -+ "lcall *%%ss:(%%esi); cld\n\t" -+ "push %%ss\n\t" -+ "pop %%ds\n\t" - "jc 1f\n\t" - "xor %%ah, %%ah\n" - "1:" -@@ -231,7 +288,8 @@ static int pci_bios_read(unsigned int se - : "1" (PCIBIOS_READ_CONFIG_DWORD), - "b" (bx), - "D" ((long)reg), -- "S" (&pci_indirect)); -+ "S" (&pci_indirect), -+ "r" (__PCIBIOS_DS)); - break; - } - -@@ -254,7 +312,10 @@ static int pci_bios_write(unsigned int s - - switch (len) { - case 1: -- __asm__("lcall *(%%esi); cld\n\t" -+ __asm__("movw %w6, %%ds\n\t" -+ "lcall *%%ss:(%%esi); cld\n\t" -+ "push %%ss\n\t" -+ "pop %%ds\n\t" - "jc 1f\n\t" - "xor %%ah, %%ah\n" - "1:" -@@ -263,10 +324,14 @@ static int pci_bios_write(unsigned int s - "c" (value), - "b" (bx), - "D" ((long)reg), -- "S" (&pci_indirect)); -+ "S" (&pci_indirect), -+ "r" (__PCIBIOS_DS)); - break; - case 2: -- __asm__("lcall *(%%esi); cld\n\t" -+ __asm__("movw %w6, %%ds\n\t" -+ "lcall *%%ss:(%%esi); cld\n\t" -+ "push %%ss\n\t" -+ "pop %%ds\n\t" - "jc 1f\n\t" - "xor %%ah, %%ah\n" - "1:" -@@ -275,10 +340,14 @@ static int pci_bios_write(unsigned int s - "c" (value), - "b" (bx), - "D" ((long)reg), -- "S" (&pci_indirect)); -+ "S" (&pci_indirect), -+ "r" (__PCIBIOS_DS)); - break; - case 4: -- __asm__("lcall *(%%esi); cld\n\t" -+ __asm__("movw %w6, %%ds\n\t" -+ "lcall *%%ss:(%%esi); cld\n\t" -+ "push %%ss\n\t" -+ "pop %%ds\n\t" - "jc 1f\n\t" - "xor %%ah, %%ah\n" - "1:" -@@ -287,7 +356,8 @@ static int pci_bios_write(unsigned int s - "c" (value), - "b" (bx), - "D" ((long)reg), -- "S" (&pci_indirect)); -+ "S" (&pci_indirect), -+ "r" (__PCIBIOS_DS)); - break; - } - -@@ -301,7 +371,7 @@ static int pci_bios_write(unsigned int s - * Function table for BIOS32 access - */ - --static struct pci_raw_ops pci_bios_access = { -+static const struct pci_raw_ops pci_bios_access = { - .read = pci_bios_read, - .write = pci_bios_write - }; -@@ -310,7 +380,7 @@ static struct pci_raw_ops pci_bios_acces - * Try to find PCI BIOS. - */ - --static struct pci_raw_ops * __devinit pci_find_bios(void) -+static const struct pci_raw_ops * __devinit pci_find_bios(void) - { - union bios32 *check; - unsigned char sum; -@@ -392,10 +462,13 @@ struct irq_routing_table * pcibios_get_i - - DBG("PCI: Fetching IRQ routing table... "); - __asm__("push %%es\n\t" -+ "movw %w8, %%ds\n\t" - "push %%ds\n\t" - "pop %%es\n\t" -- "lcall *(%%esi); cld\n\t" -+ "lcall *%%ss:(%%esi); cld\n\t" - "pop %%es\n\t" -+ "push %%ss\n\t" -+ "pop %%ds\n" - "jc 1f\n\t" - "xor %%ah, %%ah\n" - "1:" -@@ -406,7 +479,8 @@ struct irq_routing_table * pcibios_get_i - "1" (0), - "D" ((long) &opt), - "S" (&pci_indirect), -- "m" (opt) -+ "m" (opt), -+ "r" (__PCIBIOS_DS) - : "memory"); - DBG("OK ret=%d, size=%d, map=%x\n", ret, opt.size, map); - if (ret & 0xff00) -@@ -430,7 +504,10 @@ int pcibios_set_irq_routing(struct pci_d - { - int ret; - -- __asm__("lcall *(%%esi); cld\n\t" -+ __asm__("movw %w5, %%ds\n\t" -+ "lcall *%%ss:(%%esi); cld\n\t" -+ "push %%ss\n\t" -+ "pop %%ds\n" - "jc 1f\n\t" - "xor %%ah, %%ah\n" - "1:" -@@ -438,7 +515,8 @@ int pcibios_set_irq_routing(struct pci_d - : "0" (PCIBIOS_SET_PCI_HW_INT), - "b" ((dev->bus->number << 8) | dev->devfn), - "c" ((irq << 8) | (pin + 10)), -- "S" (&pci_indirect)); -+ "S" (&pci_indirect), -+ "r" (__PCIBIOS_DS)); - return !(ret & 0xff00); - } - EXPORT_SYMBOL(pcibios_set_irq_routing); -diff -urNp linux-2.6.39.3/arch/x86/pci/xen.c linux-2.6.39.3/arch/x86/pci/xen.c ---- linux-2.6.39.3/arch/x86/pci/xen.c 2011-07-09 09:18:51.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/pci/xen.c 2011-07-09 09:19:18.000000000 -0400 -@@ -62,7 +62,7 @@ static int acpi_register_gsi_xen_hvm(str - #include <linux/msi.h> - #include <asm/msidef.h> - --struct xen_pci_frontend_ops *xen_pci_frontend; -+const struct xen_pci_frontend_ops *xen_pci_frontend; - EXPORT_SYMBOL_GPL(xen_pci_frontend); - - #define XEN_PIRQ_MSI_DATA (MSI_DATA_TRIGGER_EDGE | \ -diff -urNp linux-2.6.39.3/arch/x86/platform/efi/efi_32.c linux-2.6.39.3/arch/x86/platform/efi/efi_32.c ---- linux-2.6.39.3/arch/x86/platform/efi/efi_32.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/platform/efi/efi_32.c 2011-05-22 19:36:30.000000000 -0400 -@@ -38,70 +38,37 @@ - */ - - static unsigned long efi_rt_eflags; --static pgd_t efi_bak_pg_dir_pointer[2]; -+static pgd_t __initdata efi_bak_pg_dir_pointer[KERNEL_PGD_PTRS]; - --void efi_call_phys_prelog(void) -+void __init efi_call_phys_prelog(void) - { -- unsigned long cr4; -- unsigned long temp; - struct desc_ptr gdt_descr; - - local_irq_save(efi_rt_eflags); - -- /* -- * If I don't have PAE, I should just duplicate two entries in page -- * directory. If I have PAE, I just need to duplicate one entry in -- * page directory. -- */ -- cr4 = read_cr4_safe(); -- -- if (cr4 & X86_CR4_PAE) { -- efi_bak_pg_dir_pointer[0].pgd = -- swapper_pg_dir[pgd_index(0)].pgd; -- swapper_pg_dir[0].pgd = -- swapper_pg_dir[pgd_index(PAGE_OFFSET)].pgd; -- } else { -- efi_bak_pg_dir_pointer[0].pgd = -- swapper_pg_dir[pgd_index(0)].pgd; -- efi_bak_pg_dir_pointer[1].pgd = -- swapper_pg_dir[pgd_index(0x400000)].pgd; -- swapper_pg_dir[pgd_index(0)].pgd = -- swapper_pg_dir[pgd_index(PAGE_OFFSET)].pgd; -- temp = PAGE_OFFSET + 0x400000; -- swapper_pg_dir[pgd_index(0x400000)].pgd = -- swapper_pg_dir[pgd_index(temp)].pgd; -- } -+ clone_pgd_range(efi_bak_pg_dir_pointer, swapper_pg_dir, KERNEL_PGD_PTRS); -+ clone_pgd_range(swapper_pg_dir, swapper_pg_dir + KERNEL_PGD_BOUNDARY, -+ min_t(unsigned long, KERNEL_PGD_PTRS, KERNEL_PGD_BOUNDARY)); - - /* - * After the lock is released, the original page table is restored. - */ - __flush_tlb_all(); - -- gdt_descr.address = __pa(get_cpu_gdt_table(0)); -+ gdt_descr.address = (struct desc_struct *)__pa(get_cpu_gdt_table(0)); - gdt_descr.size = GDT_SIZE - 1; - load_gdt(&gdt_descr); - } - --void efi_call_phys_epilog(void) -+void __init efi_call_phys_epilog(void) - { -- unsigned long cr4; - struct desc_ptr gdt_descr; - -- gdt_descr.address = (unsigned long)get_cpu_gdt_table(0); -+ gdt_descr.address = get_cpu_gdt_table(0); - gdt_descr.size = GDT_SIZE - 1; - load_gdt(&gdt_descr); - -- cr4 = read_cr4_safe(); -- -- if (cr4 & X86_CR4_PAE) { -- swapper_pg_dir[pgd_index(0)].pgd = -- efi_bak_pg_dir_pointer[0].pgd; -- } else { -- swapper_pg_dir[pgd_index(0)].pgd = -- efi_bak_pg_dir_pointer[0].pgd; -- swapper_pg_dir[pgd_index(0x400000)].pgd = -- efi_bak_pg_dir_pointer[1].pgd; -- } -+ clone_pgd_range(swapper_pg_dir, efi_bak_pg_dir_pointer, KERNEL_PGD_PTRS); - - /* - * After the lock is released, the original page table is restored. -diff -urNp linux-2.6.39.3/arch/x86/platform/efi/efi_stub_32.S linux-2.6.39.3/arch/x86/platform/efi/efi_stub_32.S ---- linux-2.6.39.3/arch/x86/platform/efi/efi_stub_32.S 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/platform/efi/efi_stub_32.S 2011-05-22 19:36:30.000000000 -0400 -@@ -6,6 +6,7 @@ - */ - - #include <linux/linkage.h> -+#include <linux/init.h> - #include <asm/page_types.h> - - /* -@@ -20,7 +21,7 @@ - * service functions will comply with gcc calling convention, too. - */ - --.text -+__INIT - ENTRY(efi_call_phys) - /* - * 0. The function can only be called in Linux kernel. So CS has been -@@ -36,9 +37,7 @@ ENTRY(efi_call_phys) - * The mapping of lower virtual memory has been created in prelog and - * epilog. - */ -- movl $1f, %edx -- subl $__PAGE_OFFSET, %edx -- jmp *%edx -+ jmp 1f-__PAGE_OFFSET - 1: - - /* -@@ -47,14 +46,8 @@ ENTRY(efi_call_phys) - * parameter 2, ..., param n. To make things easy, we save the return - * address of efi_call_phys in a global variable. - */ -- popl %edx -- movl %edx, saved_return_addr -- /* get the function pointer into ECX*/ -- popl %ecx -- movl %ecx, efi_rt_function_ptr -- movl $2f, %edx -- subl $__PAGE_OFFSET, %edx -- pushl %edx -+ popl (saved_return_addr) -+ popl (efi_rt_function_ptr) - - /* - * 3. Clear PG bit in %CR0. -@@ -73,9 +66,8 @@ ENTRY(efi_call_phys) - /* - * 5. Call the physical function. - */ -- jmp *%ecx -+ call *(efi_rt_function_ptr-__PAGE_OFFSET) - --2: - /* - * 6. After EFI runtime service returns, control will return to - * following instruction. We'd better readjust stack pointer first. -@@ -88,35 +80,28 @@ ENTRY(efi_call_phys) - movl %cr0, %edx - orl $0x80000000, %edx - movl %edx, %cr0 -- jmp 1f --1: -+ - /* - * 8. Now restore the virtual mode from flat mode by - * adding EIP with PAGE_OFFSET. - */ -- movl $1f, %edx -- jmp *%edx -+ jmp 1f+__PAGE_OFFSET - 1: - - /* - * 9. Balance the stack. And because EAX contain the return value, - * we'd better not clobber it. - */ -- leal efi_rt_function_ptr, %edx -- movl (%edx), %ecx -- pushl %ecx -+ pushl (efi_rt_function_ptr) - - /* -- * 10. Push the saved return address onto the stack and return. -+ * 10. Return to the saved return address. - */ -- leal saved_return_addr, %edx -- movl (%edx), %ecx -- pushl %ecx -- ret -+ jmpl *(saved_return_addr) - ENDPROC(efi_call_phys) - .previous - --.data -+__INITDATA - saved_return_addr: - .long 0 - efi_rt_function_ptr: -diff -urNp linux-2.6.39.3/arch/x86/platform/olpc/olpc_dt.c linux-2.6.39.3/arch/x86/platform/olpc/olpc_dt.c ---- linux-2.6.39.3/arch/x86/platform/olpc/olpc_dt.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/platform/olpc/olpc_dt.c 2011-05-22 19:36:30.000000000 -0400 -@@ -154,7 +154,7 @@ void * __init prom_early_alloc(unsigned - return res; - } - --static struct of_pdt_ops prom_olpc_ops __initdata = { -+static const struct of_pdt_ops prom_olpc_ops = { - .nextprop = olpc_dt_nextprop, - .getproplen = olpc_dt_getproplen, - .getproperty = olpc_dt_getproperty, -diff -urNp linux-2.6.39.3/arch/x86/platform/uv/tlb_uv.c linux-2.6.39.3/arch/x86/platform/uv/tlb_uv.c ---- linux-2.6.39.3/arch/x86/platform/uv/tlb_uv.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/platform/uv/tlb_uv.c 2011-05-22 19:36:30.000000000 -0400 -@@ -342,6 +342,8 @@ static void uv_reset_with_ipi(struct bau - cpumask_t mask; - struct reset_args reset_args; - -+ pax_track_stack(); -+ - reset_args.sender = sender; - - cpus_clear(mask); -diff -urNp linux-2.6.39.3/arch/x86/power/cpu.c linux-2.6.39.3/arch/x86/power/cpu.c ---- linux-2.6.39.3/arch/x86/power/cpu.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/power/cpu.c 2011-05-22 19:36:30.000000000 -0400 -@@ -130,7 +130,7 @@ static void do_fpu_end(void) - static void fix_processor_context(void) - { - int cpu = smp_processor_id(); -- struct tss_struct *t = &per_cpu(init_tss, cpu); -+ struct tss_struct *t = init_tss + cpu; - - set_tss_desc(cpu, t); /* - * This just modifies memory; should not be -@@ -140,7 +140,9 @@ static void fix_processor_context(void) - */ - - #ifdef CONFIG_X86_64 -+ pax_open_kernel(); - get_cpu_gdt_table(cpu)[GDT_ENTRY_TSS].type = 9; -+ pax_close_kernel(); - - syscall_init(); /* This sets MSR_*STAR and related */ - #endif -diff -urNp linux-2.6.39.3/arch/x86/vdso/Makefile linux-2.6.39.3/arch/x86/vdso/Makefile ---- linux-2.6.39.3/arch/x86/vdso/Makefile 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/vdso/Makefile 2011-05-22 19:36:30.000000000 -0400 -@@ -123,7 +123,7 @@ quiet_cmd_vdso = VDSO $@ - -Wl,-T,$(filter %.lds,$^) $(filter %.o,$^) && \ - sh $(srctree)/$(src)/checkundef.sh '$(NM)' '$@' - --VDSO_LDFLAGS = -fPIC -shared $(call cc-ldoption, -Wl$(comma)--hash-style=sysv) -+VDSO_LDFLAGS = -fPIC -shared -Wl,--no-undefined $(call cc-ldoption, -Wl$(comma)--hash-style=sysv) - GCOV_PROFILE := n - - # -diff -urNp linux-2.6.39.3/arch/x86/vdso/vclock_gettime.c linux-2.6.39.3/arch/x86/vdso/vclock_gettime.c ---- linux-2.6.39.3/arch/x86/vdso/vclock_gettime.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/vdso/vclock_gettime.c 2011-05-22 19:36:30.000000000 -0400 -@@ -22,24 +22,48 @@ - #include <asm/hpet.h> - #include <asm/unistd.h> - #include <asm/io.h> -+#include <asm/fixmap.h> - #include "vextern.h" - - #define gtod vdso_vsyscall_gtod_data - -+notrace noinline long __vdso_fallback_time(long *t) -+{ -+ long secs; -+ asm volatile("syscall" -+ : "=a" (secs) -+ : "0" (__NR_time),"D" (t) : "r11", "cx", "memory"); -+ return secs; -+} -+ - notrace static long vdso_fallback_gettime(long clock, struct timespec *ts) - { - long ret; - asm("syscall" : "=a" (ret) : -- "0" (__NR_clock_gettime),"D" (clock), "S" (ts) : "memory"); -+ "0" (__NR_clock_gettime),"D" (clock), "S" (ts) : "r11", "cx", "memory"); - return ret; - } - -+notrace static inline cycle_t __vdso_vread_hpet(void) -+{ -+ return readl((const void __iomem *)fix_to_virt(VSYSCALL_HPET) + 0xf0); -+} -+ -+notrace static inline cycle_t __vdso_vread_tsc(void) -+{ -+ cycle_t ret = (cycle_t)vget_cycles(); -+ -+ return ret >= gtod->clock.cycle_last ? ret : gtod->clock.cycle_last; -+} -+ - notrace static inline long vgetns(void) - { - long v; -- cycles_t (*vread)(void); -- vread = gtod->clock.vread; -- v = (vread() - gtod->clock.cycle_last) & gtod->clock.mask; -+ if (gtod->clock.name[0] == 't' && gtod->clock.name[1] == 's' && gtod->clock.name[2] == 'c' && !gtod->clock.name[3]) -+ v = __vdso_vread_tsc(); -+ else -+ v = __vdso_vread_hpet(); -+ v = (v - gtod->clock.cycle_last) & gtod->clock.mask; - return (v * gtod->clock.mult) >> gtod->clock.shift; - } - -@@ -113,7 +137,9 @@ notrace static noinline int do_monotonic - - notrace int __vdso_clock_gettime(clockid_t clock, struct timespec *ts) - { -- if (likely(gtod->sysctl_enabled)) -+ if (likely(gtod->sysctl_enabled && -+ ((gtod->clock.name[0] == 'h' && gtod->clock.name[1] == 'p' && gtod->clock.name[2] == 'e' && gtod->clock.name[3] == 't' && !gtod->clock.name[4]) || -+ (gtod->clock.name[0] == 't' && gtod->clock.name[1] == 's' && gtod->clock.name[2] == 'c' && !gtod->clock.name[3])))) - switch (clock) { - case CLOCK_REALTIME: - if (likely(gtod->clock.vread)) -@@ -133,10 +159,20 @@ notrace int __vdso_clock_gettime(clockid - int clock_gettime(clockid_t, struct timespec *) - __attribute__((weak, alias("__vdso_clock_gettime"))); - --notrace int __vdso_gettimeofday(struct timeval *tv, struct timezone *tz) -+notrace noinline int __vdso_fallback_gettimeofday(struct timeval *tv, struct timezone *tz) - { - long ret; -- if (likely(gtod->sysctl_enabled && gtod->clock.vread)) { -+ asm("syscall" : "=a" (ret) : -+ "0" (__NR_gettimeofday), "D" (tv), "S" (tz) : "r11", "cx", "memory"); -+ return ret; -+} -+ -+notrace int __vdso_gettimeofday(struct timeval *tv, struct timezone *tz) -+{ -+ if (likely(gtod->sysctl_enabled && -+ ((gtod->clock.name[0] == 'h' && gtod->clock.name[1] == 'p' && gtod->clock.name[2] == 'e' && gtod->clock.name[3] == 't' && !gtod->clock.name[4]) || -+ (gtod->clock.name[0] == 't' && gtod->clock.name[1] == 's' && gtod->clock.name[2] == 'c' && !gtod->clock.name[3])))) -+ { - if (likely(tv != NULL)) { - BUILD_BUG_ON(offsetof(struct timeval, tv_usec) != - offsetof(struct timespec, tv_nsec) || -@@ -151,9 +187,7 @@ notrace int __vdso_gettimeofday(struct t - } - return 0; - } -- asm("syscall" : "=a" (ret) : -- "0" (__NR_gettimeofday), "D" (tv), "S" (tz) : "memory"); -- return ret; -+ return __vdso_fallback_gettimeofday(tv, tz); - } - int gettimeofday(struct timeval *, struct timezone *) - __attribute__((weak, alias("__vdso_gettimeofday"))); -diff -urNp linux-2.6.39.3/arch/x86/vdso/vdso32-setup.c linux-2.6.39.3/arch/x86/vdso/vdso32-setup.c ---- linux-2.6.39.3/arch/x86/vdso/vdso32-setup.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/vdso/vdso32-setup.c 2011-05-22 19:36:30.000000000 -0400 -@@ -25,6 +25,7 @@ - #include <asm/tlbflush.h> - #include <asm/vdso.h> - #include <asm/proto.h> -+#include <asm/mman.h> - - enum { - VDSO_DISABLED = 0, -@@ -226,7 +227,7 @@ static inline void map_compat_vdso(int m - void enable_sep_cpu(void) - { - int cpu = get_cpu(); -- struct tss_struct *tss = &per_cpu(init_tss, cpu); -+ struct tss_struct *tss = init_tss + cpu; - - if (!boot_cpu_has(X86_FEATURE_SEP)) { - put_cpu(); -@@ -249,7 +250,7 @@ static int __init gate_vma_init(void) - gate_vma.vm_start = FIXADDR_USER_START; - gate_vma.vm_end = FIXADDR_USER_END; - gate_vma.vm_flags = VM_READ | VM_MAYREAD | VM_EXEC | VM_MAYEXEC; -- gate_vma.vm_page_prot = __P101; -+ gate_vma.vm_page_prot = vm_get_page_prot(gate_vma.vm_flags); - /* - * Make sure the vDSO gets into every core dump. - * Dumping its contents makes post-mortem fully interpretable later -@@ -331,14 +332,14 @@ int arch_setup_additional_pages(struct l - if (compat) - addr = VDSO_HIGH_BASE; - else { -- addr = get_unmapped_area(NULL, 0, PAGE_SIZE, 0, 0); -+ addr = get_unmapped_area(NULL, 0, PAGE_SIZE, 0, MAP_EXECUTABLE); - if (IS_ERR_VALUE(addr)) { - ret = addr; - goto up_fail; - } - } - -- current->mm->context.vdso = (void *)addr; -+ current->mm->context.vdso = addr; - - if (compat_uses_vma || !compat) { - /* -@@ -361,11 +362,11 @@ int arch_setup_additional_pages(struct l - } - - current_thread_info()->sysenter_return = -- VDSO32_SYMBOL(addr, SYSENTER_RETURN); -+ (__force void __user *)VDSO32_SYMBOL(addr, SYSENTER_RETURN); - - up_fail: - if (ret) -- current->mm->context.vdso = NULL; -+ current->mm->context.vdso = 0; - - up_write(&mm->mmap_sem); - -@@ -412,8 +413,14 @@ __initcall(ia32_binfmt_init); - - const char *arch_vma_name(struct vm_area_struct *vma) - { -- if (vma->vm_mm && vma->vm_start == (long)vma->vm_mm->context.vdso) -+ if (vma->vm_mm && vma->vm_start == vma->vm_mm->context.vdso) - return "[vdso]"; -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (vma->vm_mm && vma->vm_mirror && vma->vm_mirror->vm_start == vma->vm_mm->context.vdso) -+ return "[vdso]"; -+#endif -+ - return NULL; - } - -@@ -423,7 +430,7 @@ struct vm_area_struct *get_gate_vma(stru - * Check to see if the corresponding task was created in compat vdso - * mode. - */ -- if (mm && mm->context.vdso == (void *)VDSO_HIGH_BASE) -+ if (mm && mm->context.vdso == VDSO_HIGH_BASE) - return &gate_vma; - return NULL; - } -diff -urNp linux-2.6.39.3/arch/x86/vdso/vdso.lds.S linux-2.6.39.3/arch/x86/vdso/vdso.lds.S ---- linux-2.6.39.3/arch/x86/vdso/vdso.lds.S 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/vdso/vdso.lds.S 2011-06-06 17:34:26.000000000 -0400 -@@ -35,3 +35,9 @@ VDSO64_PRELINK = VDSO_PRELINK; - #define VEXTERN(x) VDSO64_ ## x = vdso_ ## x; - #include "vextern.h" - #undef VEXTERN -+ -+#define VEXTERN(x) VDSO64_ ## x = __vdso_ ## x; -+VEXTERN(fallback_gettimeofday) -+VEXTERN(fallback_time) -+VEXTERN(getcpu) -+#undef VEXTERN -diff -urNp linux-2.6.39.3/arch/x86/vdso/vextern.h linux-2.6.39.3/arch/x86/vdso/vextern.h ---- linux-2.6.39.3/arch/x86/vdso/vextern.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/vdso/vextern.h 2011-05-22 19:36:30.000000000 -0400 -@@ -11,6 +11,5 @@ - put into vextern.h and be referenced as a pointer with vdso prefix. - The main kernel later fills in the values. */ - --VEXTERN(jiffies) - VEXTERN(vgetcpu_mode) - VEXTERN(vsyscall_gtod_data) -diff -urNp linux-2.6.39.3/arch/x86/vdso/vma.c linux-2.6.39.3/arch/x86/vdso/vma.c ---- linux-2.6.39.3/arch/x86/vdso/vma.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/vdso/vma.c 2011-05-22 19:36:30.000000000 -0400 -@@ -58,7 +58,7 @@ static int __init init_vdso_vars(void) - if (!vbase) - goto oom; - -- if (memcmp(vbase, "\177ELF", 4)) { -+ if (memcmp(vbase, ELFMAG, SELFMAG)) { - printk("VDSO: I'm broken; not ELF\n"); - vdso_enabled = 0; - } -@@ -118,7 +118,7 @@ int arch_setup_additional_pages(struct l - goto up_fail; - } - -- current->mm->context.vdso = (void *)addr; -+ current->mm->context.vdso = addr; - - ret = install_special_mapping(mm, addr, vdso_size, - VM_READ|VM_EXEC| -@@ -126,7 +126,7 @@ int arch_setup_additional_pages(struct l - VM_ALWAYSDUMP, - vdso_pages); - if (ret) { -- current->mm->context.vdso = NULL; -+ current->mm->context.vdso = 0; - goto up_fail; - } - -@@ -134,10 +134,3 @@ up_fail: - up_write(&mm->mmap_sem); - return ret; - } -- --static __init int vdso_setup(char *s) --{ -- vdso_enabled = simple_strtoul(s, NULL, 0); -- return 0; --} --__setup("vdso=", vdso_setup); -diff -urNp linux-2.6.39.3/arch/x86/xen/enlighten.c linux-2.6.39.3/arch/x86/xen/enlighten.c ---- linux-2.6.39.3/arch/x86/xen/enlighten.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/xen/enlighten.c 2011-05-22 19:36:30.000000000 -0400 -@@ -85,8 +85,6 @@ EXPORT_SYMBOL_GPL(xen_start_info); - - struct shared_info xen_dummy_shared_info; - --void *xen_initial_gdt; -- - RESERVE_BRK(shared_info_page_brk, PAGE_SIZE); - __read_mostly int xen_have_vector_callback; - EXPORT_SYMBOL_GPL(xen_have_vector_callback); -@@ -1010,7 +1008,7 @@ static const struct pv_apic_ops xen_apic - #endif - }; - --static void xen_reboot(int reason) -+static __noreturn void xen_reboot(int reason) - { - struct sched_shutdown r = { .reason = reason }; - -@@ -1018,17 +1016,17 @@ static void xen_reboot(int reason) - BUG(); - } - --static void xen_restart(char *msg) -+static __noreturn void xen_restart(char *msg) - { - xen_reboot(SHUTDOWN_reboot); - } - --static void xen_emergency_restart(void) -+static __noreturn void xen_emergency_restart(void) - { - xen_reboot(SHUTDOWN_reboot); - } - --static void xen_machine_halt(void) -+static __noreturn void xen_machine_halt(void) - { - xen_reboot(SHUTDOWN_poweroff); - } -@@ -1127,7 +1125,17 @@ asmlinkage void __init xen_start_kernel( - __userpte_alloc_gfp &= ~__GFP_HIGHMEM; - - /* Work out if we support NX */ -- x86_configure_nx(); -+#if defined(CONFIG_X86_64) || defined(CONFIG_X86_PAE) -+ if ((cpuid_eax(0x80000000) & 0xffff0000) == 0x80000000 && -+ (cpuid_edx(0x80000001) & (1U << (X86_FEATURE_NX & 31)))) { -+ unsigned l, h; -+ -+ __supported_pte_mask |= _PAGE_NX; -+ rdmsr(MSR_EFER, l, h); -+ l |= EFER_NX; -+ wrmsr(MSR_EFER, l, h); -+ } -+#endif - - xen_setup_features(); - -@@ -1158,13 +1166,6 @@ asmlinkage void __init xen_start_kernel( - - machine_ops = xen_machine_ops; - -- /* -- * The only reliable way to retain the initial address of the -- * percpu gdt_page is to remember it here, so we can go and -- * mark it RW later, when the initial percpu area is freed. -- */ -- xen_initial_gdt = &per_cpu(gdt_page, 0); -- - xen_smp_init(); - - #ifdef CONFIG_ACPI_NUMA -diff -urNp linux-2.6.39.3/arch/x86/xen/mmu.c linux-2.6.39.3/arch/x86/xen/mmu.c ---- linux-2.6.39.3/arch/x86/xen/mmu.c 2011-07-09 09:18:51.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/xen/mmu.c 2011-07-09 09:19:18.000000000 -0400 -@@ -1801,6 +1801,8 @@ __init pgd_t *xen_setup_kernel_pagetable - convert_pfn_mfn(init_level4_pgt); - convert_pfn_mfn(level3_ident_pgt); - convert_pfn_mfn(level3_kernel_pgt); -+ convert_pfn_mfn(level3_vmalloc_pgt); -+ convert_pfn_mfn(level3_vmemmap_pgt); - - l3 = m2v(pgd[pgd_index(__START_KERNEL_map)].pgd); - l2 = m2v(l3[pud_index(__START_KERNEL_map)].pud); -@@ -1819,7 +1821,10 @@ __init pgd_t *xen_setup_kernel_pagetable - set_page_prot(init_level4_pgt, PAGE_KERNEL_RO); - set_page_prot(level3_ident_pgt, PAGE_KERNEL_RO); - set_page_prot(level3_kernel_pgt, PAGE_KERNEL_RO); -+ set_page_prot(level3_vmalloc_pgt, PAGE_KERNEL_RO); -+ set_page_prot(level3_vmemmap_pgt, PAGE_KERNEL_RO); - set_page_prot(level3_user_vsyscall, PAGE_KERNEL_RO); -+ set_page_prot(level2_vmemmap_pgt, PAGE_KERNEL_RO); - set_page_prot(level2_kernel_pgt, PAGE_KERNEL_RO); - set_page_prot(level2_fixmap_pgt, PAGE_KERNEL_RO); - -diff -urNp linux-2.6.39.3/arch/x86/xen/pci-swiotlb-xen.c linux-2.6.39.3/arch/x86/xen/pci-swiotlb-xen.c ---- linux-2.6.39.3/arch/x86/xen/pci-swiotlb-xen.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/xen/pci-swiotlb-xen.c 2011-05-22 19:36:30.000000000 -0400 -@@ -10,7 +10,7 @@ - - int xen_swiotlb __read_mostly; - --static struct dma_map_ops xen_swiotlb_dma_ops = { -+static const struct dma_map_ops xen_swiotlb_dma_ops = { - .mapping_error = xen_swiotlb_dma_mapping_error, - .alloc_coherent = xen_swiotlb_alloc_coherent, - .free_coherent = xen_swiotlb_free_coherent, -diff -urNp linux-2.6.39.3/arch/x86/xen/smp.c linux-2.6.39.3/arch/x86/xen/smp.c ---- linux-2.6.39.3/arch/x86/xen/smp.c 2011-07-09 09:18:51.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/xen/smp.c 2011-07-09 09:19:18.000000000 -0400 -@@ -194,11 +194,6 @@ static void __init xen_smp_prepare_boot_ - { - BUG_ON(smp_processor_id() != 0); - native_smp_prepare_boot_cpu(); -- -- /* We've switched to the "real" per-cpu gdt, so make sure the -- old memory can be recycled */ -- make_lowmem_page_readwrite(xen_initial_gdt); -- - xen_filter_cpu_maps(); - xen_setup_vcpu_info_placement(); - } -@@ -266,12 +261,12 @@ cpu_initialize_context(unsigned int cpu, - gdt = get_cpu_gdt_table(cpu); - - ctxt->flags = VGCF_IN_KERNEL; -- ctxt->user_regs.ds = __USER_DS; -- ctxt->user_regs.es = __USER_DS; -+ ctxt->user_regs.ds = __KERNEL_DS; -+ ctxt->user_regs.es = __KERNEL_DS; - ctxt->user_regs.ss = __KERNEL_DS; - #ifdef CONFIG_X86_32 - ctxt->user_regs.fs = __KERNEL_PERCPU; -- ctxt->user_regs.gs = __KERNEL_STACK_CANARY; -+ savesegment(gs, ctxt->user_regs.gs); - #else - ctxt->gs_base_kernel = per_cpu_offset(cpu); - #endif -@@ -322,13 +317,12 @@ static int __cpuinit xen_cpu_up(unsigned - int rc; - - per_cpu(current_task, cpu) = idle; -+ per_cpu(current_tinfo, cpu) = &idle->tinfo; - #ifdef CONFIG_X86_32 - irq_ctx_init(cpu); - #else - clear_tsk_thread_flag(idle, TIF_FORK); -- per_cpu(kernel_stack, cpu) = -- (unsigned long)task_stack_page(idle) - -- KERNEL_STACK_OFFSET + THREAD_SIZE; -+ per_cpu(kernel_stack, cpu) = (unsigned long)task_stack_page(idle) - 16 + THREAD_SIZE; - #endif - xen_setup_runstate_info(cpu); - xen_setup_timer(cpu); -diff -urNp linux-2.6.39.3/arch/x86/xen/xen-asm_32.S linux-2.6.39.3/arch/x86/xen/xen-asm_32.S ---- linux-2.6.39.3/arch/x86/xen/xen-asm_32.S 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/xen/xen-asm_32.S 2011-05-22 19:36:30.000000000 -0400 -@@ -83,14 +83,14 @@ ENTRY(xen_iret) - ESP_OFFSET=4 # bytes pushed onto stack - - /* -- * Store vcpu_info pointer for easy access. Do it this way to -- * avoid having to reload %fs -+ * Store vcpu_info pointer for easy access. - */ - #ifdef CONFIG_SMP -- GET_THREAD_INFO(%eax) -- movl TI_cpu(%eax), %eax -- movl __per_cpu_offset(,%eax,4), %eax -- mov xen_vcpu(%eax), %eax -+ push %fs -+ mov $(__KERNEL_PERCPU), %eax -+ mov %eax, %fs -+ mov PER_CPU_VAR(xen_vcpu), %eax -+ pop %fs - #else - movl xen_vcpu, %eax - #endif -diff -urNp linux-2.6.39.3/arch/x86/xen/xen-head.S linux-2.6.39.3/arch/x86/xen/xen-head.S ---- linux-2.6.39.3/arch/x86/xen/xen-head.S 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/xen/xen-head.S 2011-05-22 19:36:30.000000000 -0400 -@@ -19,6 +19,17 @@ ENTRY(startup_xen) - #ifdef CONFIG_X86_32 - mov %esi,xen_start_info - mov $init_thread_union+THREAD_SIZE,%esp -+#ifdef CONFIG_SMP -+ movl $cpu_gdt_table,%edi -+ movl $__per_cpu_load,%eax -+ movw %ax,__KERNEL_PERCPU + 2(%edi) -+ rorl $16,%eax -+ movb %al,__KERNEL_PERCPU + 4(%edi) -+ movb %ah,__KERNEL_PERCPU + 7(%edi) -+ movl $__per_cpu_end - 1,%eax -+ subl $__per_cpu_start,%eax -+ movw %ax,__KERNEL_PERCPU + 0(%edi) -+#endif - #else - mov %rsi,xen_start_info - mov $init_thread_union+THREAD_SIZE,%rsp -diff -urNp linux-2.6.39.3/arch/x86/xen/xen-ops.h linux-2.6.39.3/arch/x86/xen/xen-ops.h ---- linux-2.6.39.3/arch/x86/xen/xen-ops.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/arch/x86/xen/xen-ops.h 2011-05-22 19:36:30.000000000 -0400 -@@ -10,8 +10,6 @@ - extern const char xen_hypervisor_callback[]; - extern const char xen_failsafe_callback[]; - --extern void *xen_initial_gdt; -- - struct trap_info; - void xen_copy_trap_info(struct trap_info *traps); - -diff -urNp linux-2.6.39.3/block/blk-iopoll.c linux-2.6.39.3/block/blk-iopoll.c ---- linux-2.6.39.3/block/blk-iopoll.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/block/blk-iopoll.c 2011-05-22 19:36:30.000000000 -0400 -@@ -77,7 +77,7 @@ void blk_iopoll_complete(struct blk_iopo - } - EXPORT_SYMBOL(blk_iopoll_complete); - --static void blk_iopoll_softirq(struct softirq_action *h) -+static void blk_iopoll_softirq(void) - { - struct list_head *list = &__get_cpu_var(blk_cpu_iopoll); - int rearm = 0, budget = blk_iopoll_budget; -diff -urNp linux-2.6.39.3/block/blk-map.c linux-2.6.39.3/block/blk-map.c ---- linux-2.6.39.3/block/blk-map.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/block/blk-map.c 2011-05-22 19:36:30.000000000 -0400 -@@ -301,7 +301,7 @@ int blk_rq_map_kern(struct request_queue - if (!len || !kbuf) - return -EINVAL; - -- do_copy = !blk_rq_aligned(q, addr, len) || object_is_on_stack(kbuf); -+ do_copy = !blk_rq_aligned(q, addr, len) || object_starts_on_stack(kbuf); - if (do_copy) - bio = bio_copy_kern(q, kbuf, len, gfp_mask, reading); - else -diff -urNp linux-2.6.39.3/block/blk-softirq.c linux-2.6.39.3/block/blk-softirq.c ---- linux-2.6.39.3/block/blk-softirq.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/block/blk-softirq.c 2011-05-22 19:36:30.000000000 -0400 -@@ -17,7 +17,7 @@ static DEFINE_PER_CPU(struct list_head, - * Softirq action handler - move entries to local list and loop over them - * while passing them to the queue registered handler. - */ --static void blk_done_softirq(struct softirq_action *h) -+static void blk_done_softirq(void) - { - struct list_head *cpu_list, local_list; - -diff -urNp linux-2.6.39.3/block/bsg.c linux-2.6.39.3/block/bsg.c ---- linux-2.6.39.3/block/bsg.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/block/bsg.c 2011-05-22 19:36:30.000000000 -0400 -@@ -176,16 +176,24 @@ static int blk_fill_sgv4_hdr_rq(struct r - struct sg_io_v4 *hdr, struct bsg_device *bd, - fmode_t has_write_perm) - { -+ unsigned char tmpcmd[sizeof(rq->__cmd)]; -+ unsigned char *cmdptr; -+ - if (hdr->request_len > BLK_MAX_CDB) { - rq->cmd = kzalloc(hdr->request_len, GFP_KERNEL); - if (!rq->cmd) - return -ENOMEM; -- } -+ cmdptr = rq->cmd; -+ } else -+ cmdptr = tmpcmd; - -- if (copy_from_user(rq->cmd, (void *)(unsigned long)hdr->request, -+ if (copy_from_user(cmdptr, (void *)(unsigned long)hdr->request, - hdr->request_len)) - return -EFAULT; - -+ if (cmdptr != rq->cmd) -+ memcpy(rq->cmd, cmdptr, hdr->request_len); -+ - if (hdr->subprotocol == BSG_SUB_PROTOCOL_SCSI_CMD) { - if (blk_verify_command(rq->cmd, has_write_perm)) - return -EPERM; -diff -urNp linux-2.6.39.3/block/scsi_ioctl.c linux-2.6.39.3/block/scsi_ioctl.c ---- linux-2.6.39.3/block/scsi_ioctl.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/block/scsi_ioctl.c 2011-05-22 19:36:30.000000000 -0400 -@@ -222,8 +222,20 @@ EXPORT_SYMBOL(blk_verify_command); - static int blk_fill_sghdr_rq(struct request_queue *q, struct request *rq, - struct sg_io_hdr *hdr, fmode_t mode) - { -- if (copy_from_user(rq->cmd, hdr->cmdp, hdr->cmd_len)) -+ unsigned char tmpcmd[sizeof(rq->__cmd)]; -+ unsigned char *cmdptr; -+ -+ if (rq->cmd != rq->__cmd) -+ cmdptr = rq->cmd; -+ else -+ cmdptr = tmpcmd; -+ -+ if (copy_from_user(cmdptr, hdr->cmdp, hdr->cmd_len)) - return -EFAULT; -+ -+ if (cmdptr != rq->cmd) -+ memcpy(rq->cmd, cmdptr, hdr->cmd_len); -+ - if (blk_verify_command(rq->cmd, mode & FMODE_WRITE)) - return -EPERM; - -@@ -432,6 +444,8 @@ int sg_scsi_ioctl(struct request_queue * - int err; - unsigned int in_len, out_len, bytes, opcode, cmdlen; - char *buffer = NULL, sense[SCSI_SENSE_BUFFERSIZE]; -+ unsigned char tmpcmd[sizeof(rq->__cmd)]; -+ unsigned char *cmdptr; - - if (!sic) - return -EINVAL; -@@ -465,9 +479,18 @@ int sg_scsi_ioctl(struct request_queue * - */ - err = -EFAULT; - rq->cmd_len = cmdlen; -- if (copy_from_user(rq->cmd, sic->data, cmdlen)) -+ -+ if (rq->cmd != rq->__cmd) -+ cmdptr = rq->cmd; -+ else -+ cmdptr = tmpcmd; -+ -+ if (copy_from_user(cmdptr, sic->data, cmdlen)) - goto error; - -+ if (rq->cmd != cmdptr) -+ memcpy(rq->cmd, cmdptr, cmdlen); -+ - if (in_len && copy_from_user(buffer, sic->data + cmdlen, in_len)) - goto error; - -diff -urNp linux-2.6.39.3/crypto/gf128mul.c linux-2.6.39.3/crypto/gf128mul.c ---- linux-2.6.39.3/crypto/gf128mul.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/crypto/gf128mul.c 2011-07-06 20:00:14.000000000 -0400 -@@ -182,7 +182,7 @@ void gf128mul_lle(be128 *r, const be128 - for (i = 0; i < 7; ++i) - gf128mul_x_lle(&p[i + 1], &p[i]); - -- memset(r, 0, sizeof(r)); -+ memset(r, 0, sizeof(*r)); - for (i = 0;;) { - u8 ch = ((u8 *)b)[15 - i]; - -@@ -220,7 +220,7 @@ void gf128mul_bbe(be128 *r, const be128 - for (i = 0; i < 7; ++i) - gf128mul_x_bbe(&p[i + 1], &p[i]); - -- memset(r, 0, sizeof(r)); -+ memset(r, 0, sizeof(*r)); - for (i = 0;;) { - u8 ch = ((u8 *)b)[i]; - -diff -urNp linux-2.6.39.3/crypto/serpent.c linux-2.6.39.3/crypto/serpent.c ---- linux-2.6.39.3/crypto/serpent.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/crypto/serpent.c 2011-05-22 19:36:30.000000000 -0400 -@@ -224,6 +224,8 @@ static int serpent_setkey(struct crypto_ - u32 r0,r1,r2,r3,r4; - int i; - -+ pax_track_stack(); -+ - /* Copy key, add padding */ - - for (i = 0; i < keylen; ++i) -diff -urNp linux-2.6.39.3/Documentation/dontdiff linux-2.6.39.3/Documentation/dontdiff ---- linux-2.6.39.3/Documentation/dontdiff 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/Documentation/dontdiff 2011-05-22 19:36:30.000000000 -0400 -@@ -1,13 +1,16 @@ - *.a - *.aux - *.bin -+*.cis - *.cpio - *.csp -+*.dbg - *.dsp - *.dvi - *.elf - *.eps - *.fw -+*.gcno - *.gen.S - *.gif - *.grep -@@ -38,8 +41,10 @@ - *.tab.h - *.tex - *.ver -+*.vim - *.xml - *_MODULES -+*_reg_safe.h - *_vga16.c - *~ - *.9 -@@ -49,11 +54,16 @@ - 53c700_d.h - CVS - ChangeSet -+GPATH -+GRTAGS -+GSYMS -+GTAGS - Image - Kerntypes - Module.markers - Module.symvers - PENDING -+PERF* - SCCS - System.map* - TAGS -@@ -80,8 +90,11 @@ btfixupprep - build - bvmlinux - bzImage* -+capability_names.h - capflags.c - classlist.h* -+clut_vga16.c -+common-cmds.h - comp*.log - compile.h* - conf -@@ -106,16 +119,19 @@ fore200e_mkfirm - fore200e_pca_fw.c* - gconf - gen-devlist -+gen-kdb_cmds.c - gen_crc32table - gen_init_cpio - generated - genheaders - genksyms - *_gray256.c -+hash - ihex2fw - ikconfig.h* - inat-tables.c - initramfs_data.cpio -+initramfs_data.cpio.bz2 - initramfs_data.cpio.gz - initramfs_list - int16.c -@@ -125,7 +141,6 @@ int32.c - int4.c - int8.c - kallsyms --kconfig - keywords.c - ksym.c* - ksym.h* -@@ -149,7 +164,9 @@ mkboot - mkbugboot - mkcpustr - mkdep -+mkpiggy - mkprep -+mkregtable - mktables - mktree - modpost -@@ -165,6 +182,7 @@ parse.h - patches* - pca200e.bin - pca200e_ecd.bin2 -+perf-archive - piggy.gz - piggyback - piggy.S -@@ -180,7 +198,9 @@ r600_reg_safe.h - raid6altivec*.c - raid6int*.c - raid6tables.c -+regdb.c - relocs -+rlim_names.h - rn50_reg_safe.h - rs600_reg_safe.h - rv515_reg_safe.h -@@ -189,6 +209,7 @@ setup - setup.bin - setup.elf - sImage -+slabinfo - sm_tbl* - split-include - syscalltab.h -@@ -213,13 +234,17 @@ version.h* - vmlinux - vmlinux-* - vmlinux.aout -+vmlinux.bin.all -+vmlinux.bin.bz2 - vmlinux.lds -+vmlinux.relocs - voffset.h - vsyscall.lds - vsyscall_32.lds - wanxlfw.inc - uImage - unifdef -+utsrelease.h - wakeup.bin - wakeup.elf - wakeup.lds -diff -urNp linux-2.6.39.3/Documentation/filesystems/configfs/configfs_example_macros.c linux-2.6.39.3/Documentation/filesystems/configfs/configfs_example_macros.c ---- linux-2.6.39.3/Documentation/filesystems/configfs/configfs_example_macros.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/Documentation/filesystems/configfs/configfs_example_macros.c 2011-05-22 19:36:30.000000000 -0400 -@@ -368,7 +368,7 @@ static struct configfs_item_operations g - * Note that, since no extra work is required on ->drop_item(), - * no ->drop_item() is provided. - */ --static struct configfs_group_operations group_children_group_ops = { -+static const struct configfs_group_operations group_children_group_ops = { - .make_group = group_children_make_group, - }; - -diff -urNp linux-2.6.39.3/Documentation/filesystems/sysfs.txt linux-2.6.39.3/Documentation/filesystems/sysfs.txt ---- linux-2.6.39.3/Documentation/filesystems/sysfs.txt 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/Documentation/filesystems/sysfs.txt 2011-05-22 19:36:30.000000000 -0400 -@@ -125,8 +125,8 @@ set of sysfs operations for forwarding r - show and store methods of the attribute owners. - - struct sysfs_ops { -- ssize_t (*show)(struct kobject *, struct attribute *, char *); -- ssize_t (*store)(struct kobject *, struct attribute *, const char *, size_t); -+ ssize_t (* const show)(struct kobject *, struct attribute *, char *); -+ ssize_t (* const store)(struct kobject *, struct attribute *, const char *, size_t); - }; - - [ Subsystems should have already defined a struct kobj_type as a -diff -urNp linux-2.6.39.3/Documentation/kernel-parameters.txt linux-2.6.39.3/Documentation/kernel-parameters.txt ---- linux-2.6.39.3/Documentation/kernel-parameters.txt 2011-06-25 12:55:22.000000000 -0400 -+++ linux-2.6.39.3/Documentation/kernel-parameters.txt 2011-06-25 13:00:25.000000000 -0400 -@@ -1879,6 +1879,13 @@ bytes respectively. Such letter suffixes - the specified number of seconds. This is to be used if - your oopses keep scrolling off the screen. - -+ pax_nouderef [X86] disables UDEREF. Most likely needed under certain -+ virtualization environments that don't cope well with the -+ expand down segment used by UDEREF on X86-32 or the frequent -+ page table updates on X86-64. -+ -+ pax_softmode= 0/1 to disable/enable PaX softmode on boot already. -+ - pcbit= [HW,ISDN] - - pcd. [PARIDE] -diff -urNp linux-2.6.39.3/drivers/acpi/acpi_ipmi.c linux-2.6.39.3/drivers/acpi/acpi_ipmi.c ---- linux-2.6.39.3/drivers/acpi/acpi_ipmi.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/acpi/acpi_ipmi.c 2011-05-22 19:36:30.000000000 -0400 -@@ -70,7 +70,7 @@ struct acpi_ipmi_device { - struct ipmi_driver_data { - struct list_head ipmi_devices; - struct ipmi_smi_watcher bmc_events; -- struct ipmi_user_hndl ipmi_hndlrs; -+ const struct ipmi_user_hndl ipmi_hndlrs; - struct mutex ipmi_lock; - }; - -diff -urNp linux-2.6.39.3/drivers/acpi/apei/cper.c linux-2.6.39.3/drivers/acpi/apei/cper.c ---- linux-2.6.39.3/drivers/acpi/apei/cper.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/acpi/apei/cper.c 2011-05-22 19:36:30.000000000 -0400 -@@ -38,12 +38,12 @@ - */ - u64 cper_next_record_id(void) - { -- static atomic64_t seq; -+ static atomic64_unchecked_t seq; - -- if (!atomic64_read(&seq)) -- atomic64_set(&seq, ((u64)get_seconds()) << 32); -+ if (!atomic64_read_unchecked(&seq)) -+ atomic64_set_unchecked(&seq, ((u64)get_seconds()) << 32); - -- return atomic64_inc_return(&seq); -+ return atomic64_inc_return_unchecked(&seq); - } - EXPORT_SYMBOL_GPL(cper_next_record_id); - -diff -urNp linux-2.6.39.3/drivers/acpi/battery.c linux-2.6.39.3/drivers/acpi/battery.c ---- linux-2.6.39.3/drivers/acpi/battery.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/acpi/battery.c 2011-05-22 19:36:30.000000000 -0400 -@@ -864,7 +864,7 @@ DECLARE_FILE_FUNCTIONS(alarm); - } - - static struct battery_file { -- struct file_operations ops; -+ const struct file_operations ops; - mode_t mode; - const char *name; - } acpi_battery_file[] = { -diff -urNp linux-2.6.39.3/drivers/acpi/dock.c linux-2.6.39.3/drivers/acpi/dock.c ---- linux-2.6.39.3/drivers/acpi/dock.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/acpi/dock.c 2011-05-22 19:36:30.000000000 -0400 -@@ -77,7 +77,7 @@ struct dock_dependent_device { - struct list_head list; - struct list_head hotplug_list; - acpi_handle handle; -- struct acpi_dock_ops *ops; -+ const struct acpi_dock_ops *ops; - void *context; - }; - -@@ -589,7 +589,7 @@ EXPORT_SYMBOL_GPL(unregister_dock_notifi - * the dock driver after _DCK is executed. - */ - int --register_hotplug_dock_device(acpi_handle handle, struct acpi_dock_ops *ops, -+register_hotplug_dock_device(acpi_handle handle, const struct acpi_dock_ops *ops, - void *context) - { - struct dock_dependent_device *dd; -diff -urNp linux-2.6.39.3/drivers/acpi/ec_sys.c linux-2.6.39.3/drivers/acpi/ec_sys.c ---- linux-2.6.39.3/drivers/acpi/ec_sys.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/acpi/ec_sys.c 2011-05-22 19:36:30.000000000 -0400 -@@ -92,7 +92,7 @@ static ssize_t acpi_ec_write_io(struct f - return count; - } - --static struct file_operations acpi_ec_io_ops = { -+static const struct file_operations acpi_ec_io_ops = { - .owner = THIS_MODULE, - .open = acpi_ec_open_io, - .read = acpi_ec_read_io, -diff -urNp linux-2.6.39.3/drivers/acpi/fan.c linux-2.6.39.3/drivers/acpi/fan.c ---- linux-2.6.39.3/drivers/acpi/fan.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/acpi/fan.c 2011-05-22 19:36:30.000000000 -0400 -@@ -110,7 +110,7 @@ fan_set_cur_state(struct thermal_cooling - return result; - } - --static struct thermal_cooling_device_ops fan_cooling_ops = { -+static const struct thermal_cooling_device_ops fan_cooling_ops = { - .get_max_state = fan_get_max_state, - .get_cur_state = fan_get_cur_state, - .set_cur_state = fan_set_cur_state, -diff -urNp linux-2.6.39.3/drivers/acpi/power_meter.c linux-2.6.39.3/drivers/acpi/power_meter.c ---- linux-2.6.39.3/drivers/acpi/power_meter.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/acpi/power_meter.c 2011-05-22 19:36:30.000000000 -0400 -@@ -316,8 +316,6 @@ static ssize_t set_trip(struct device *d - return res; - - temp /= 1000; -- if (temp < 0) -- return -EINVAL; - - mutex_lock(&resource->lock); - resource->trip[attr->index - 7] = temp; -diff -urNp linux-2.6.39.3/drivers/acpi/proc.c linux-2.6.39.3/drivers/acpi/proc.c ---- linux-2.6.39.3/drivers/acpi/proc.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/acpi/proc.c 2011-05-22 19:36:30.000000000 -0400 -@@ -342,19 +342,13 @@ acpi_system_write_wakeup_device(struct f - size_t count, loff_t * ppos) - { - struct list_head *node, *next; -- char strbuf[5]; -- char str[5] = ""; -- unsigned int len = count; -- -- if (len > 4) -- len = 4; -- if (len < 0) -- return -EFAULT; -+ char strbuf[5] = {0}; - -- if (copy_from_user(strbuf, buffer, len)) -+ if (count > 4) -+ count = 4; -+ if (copy_from_user(strbuf, buffer, count)) - return -EFAULT; -- strbuf[len] = '\0'; -- sscanf(strbuf, "%s", str); -+ strbuf[count] = '\0'; - - mutex_lock(&acpi_device_lock); - list_for_each_safe(node, next, &acpi_wakeup_device_list) { -@@ -363,7 +357,7 @@ acpi_system_write_wakeup_device(struct f - if (!dev->wakeup.flags.valid) - continue; - -- if (!strncmp(dev->pnp.bus_id, str, 4)) { -+ if (!strncmp(dev->pnp.bus_id, strbuf, 4)) { - if (device_can_wakeup(&dev->dev)) { - bool enable = !device_may_wakeup(&dev->dev); - device_set_wakeup_enable(&dev->dev, enable); -diff -urNp linux-2.6.39.3/drivers/acpi/processor_driver.c linux-2.6.39.3/drivers/acpi/processor_driver.c ---- linux-2.6.39.3/drivers/acpi/processor_driver.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/acpi/processor_driver.c 2011-05-22 19:36:30.000000000 -0400 -@@ -473,7 +473,7 @@ static int __cpuinit acpi_processor_add( - return 0; - #endif - -- BUG_ON((pr->id >= nr_cpu_ids) || (pr->id < 0)); -+ BUG_ON(pr->id >= nr_cpu_ids); - - /* - * Buggy BIOS check -diff -urNp linux-2.6.39.3/drivers/acpi/processor_idle.c linux-2.6.39.3/drivers/acpi/processor_idle.c ---- linux-2.6.39.3/drivers/acpi/processor_idle.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/acpi/processor_idle.c 2011-05-22 19:36:30.000000000 -0400 -@@ -121,7 +121,7 @@ static struct dmi_system_id __cpuinitdat - DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."), - DMI_MATCH(DMI_PRODUCT_NAME,"L8400B series Notebook PC")}, - (void *)1}, -- {}, -+ {} - }; - - -diff -urNp linux-2.6.39.3/drivers/acpi/processor_thermal.c linux-2.6.39.3/drivers/acpi/processor_thermal.c ---- linux-2.6.39.3/drivers/acpi/processor_thermal.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/acpi/processor_thermal.c 2011-05-22 19:36:30.000000000 -0400 -@@ -244,7 +244,7 @@ processor_set_cur_state(struct thermal_c - return result; - } - --struct thermal_cooling_device_ops processor_cooling_ops = { -+const struct thermal_cooling_device_ops processor_cooling_ops = { - .get_max_state = processor_get_max_state, - .get_cur_state = processor_get_cur_state, - .set_cur_state = processor_set_cur_state, -diff -urNp linux-2.6.39.3/drivers/acpi/sysfs.c linux-2.6.39.3/drivers/acpi/sysfs.c ---- linux-2.6.39.3/drivers/acpi/sysfs.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/acpi/sysfs.c 2011-05-22 19:36:30.000000000 -0400 -@@ -149,12 +149,12 @@ static int param_get_debug_level(char *b - return result; - } - --static struct kernel_param_ops param_ops_debug_layer = { -+static const struct kernel_param_ops param_ops_debug_layer = { - .set = param_set_uint, - .get = param_get_debug_layer, - }; - --static struct kernel_param_ops param_ops_debug_level = { -+static const struct kernel_param_ops param_ops_debug_level = { - .set = param_set_uint, - .get = param_get_debug_level, - }; -diff -urNp linux-2.6.39.3/drivers/acpi/thermal.c linux-2.6.39.3/drivers/acpi/thermal.c ---- linux-2.6.39.3/drivers/acpi/thermal.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/acpi/thermal.c 2011-05-22 19:36:30.000000000 -0400 -@@ -812,7 +812,7 @@ acpi_thermal_unbind_cooling_device(struc - thermal_zone_unbind_cooling_device); - } - --static struct thermal_zone_device_ops acpi_thermal_zone_ops = { -+static const struct thermal_zone_device_ops acpi_thermal_zone_ops = { - .bind = acpi_thermal_bind_cooling_device, - .unbind = acpi_thermal_unbind_cooling_device, - .get_temp = thermal_get_temp, -diff -urNp linux-2.6.39.3/drivers/acpi/video.c linux-2.6.39.3/drivers/acpi/video.c ---- linux-2.6.39.3/drivers/acpi/video.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/acpi/video.c 2011-05-22 19:36:30.000000000 -0400 -@@ -308,7 +308,7 @@ video_set_cur_state(struct thermal_cooli - return acpi_video_device_lcd_set_level(video, level); - } - --static struct thermal_cooling_device_ops video_cooling_ops = { -+static const struct thermal_cooling_device_ops video_cooling_ops = { - .get_max_state = video_get_max_state, - .get_cur_state = video_get_cur_state, - .set_cur_state = video_set_cur_state, -diff -urNp linux-2.6.39.3/drivers/ata/acard-ahci.c linux-2.6.39.3/drivers/ata/acard-ahci.c ---- linux-2.6.39.3/drivers/ata/acard-ahci.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/acard-ahci.c 2011-05-22 19:36:30.000000000 -0400 -@@ -87,7 +87,7 @@ static struct scsi_host_template acard_a - AHCI_SHT("acard-ahci"), - }; - --static struct ata_port_operations acard_ops = { -+static const struct ata_port_operations acard_ops = { - .inherits = &ahci_ops, - .qc_prep = acard_ahci_qc_prep, - .qc_fill_rtf = acard_ahci_qc_fill_rtf, -diff -urNp linux-2.6.39.3/drivers/ata/ahci.c linux-2.6.39.3/drivers/ata/ahci.c ---- linux-2.6.39.3/drivers/ata/ahci.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/ahci.c 2011-05-22 19:36:30.000000000 -0400 -@@ -94,17 +94,17 @@ static struct scsi_host_template ahci_sh - AHCI_SHT("ahci"), - }; - --static struct ata_port_operations ahci_vt8251_ops = { -+static const struct ata_port_operations ahci_vt8251_ops = { - .inherits = &ahci_ops, - .hardreset = ahci_vt8251_hardreset, - }; - --static struct ata_port_operations ahci_p5wdh_ops = { -+static const struct ata_port_operations ahci_p5wdh_ops = { - .inherits = &ahci_ops, - .hardreset = ahci_p5wdh_hardreset, - }; - --static struct ata_port_operations ahci_sb600_ops = { -+static const struct ata_port_operations ahci_sb600_ops = { - .inherits = &ahci_ops, - .softreset = ahci_sb600_softreset, - .pmp_softreset = ahci_sb600_softreset, -diff -urNp linux-2.6.39.3/drivers/ata/ahci.h linux-2.6.39.3/drivers/ata/ahci.h ---- linux-2.6.39.3/drivers/ata/ahci.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/ahci.h 2011-05-22 19:36:30.000000000 -0400 -@@ -311,7 +311,7 @@ extern struct device_attribute *ahci_sde - .shost_attrs = ahci_shost_attrs, \ - .sdev_attrs = ahci_sdev_attrs - --extern struct ata_port_operations ahci_ops; -+extern const struct ata_port_operations ahci_ops; - - void ahci_fill_cmd_slot(struct ahci_port_priv *pp, unsigned int tag, - u32 opts); -diff -urNp linux-2.6.39.3/drivers/ata/ata_generic.c linux-2.6.39.3/drivers/ata/ata_generic.c ---- linux-2.6.39.3/drivers/ata/ata_generic.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/ata_generic.c 2011-05-22 19:36:30.000000000 -0400 -@@ -101,7 +101,7 @@ static struct scsi_host_template generic - ATA_BMDMA_SHT(DRV_NAME), - }; - --static struct ata_port_operations generic_port_ops = { -+static const struct ata_port_operations generic_port_ops = { - .inherits = &ata_bmdma_port_ops, - .cable_detect = ata_cable_unknown, - .set_mode = generic_set_mode, -diff -urNp linux-2.6.39.3/drivers/ata/ata_piix.c linux-2.6.39.3/drivers/ata/ata_piix.c ---- linux-2.6.39.3/drivers/ata/ata_piix.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/ata_piix.c 2011-05-22 19:36:30.000000000 -0400 -@@ -335,12 +335,12 @@ static struct scsi_host_template piix_sh - ATA_BMDMA_SHT(DRV_NAME), - }; - --static struct ata_port_operations piix_sata_ops = { -+static const struct ata_port_operations piix_sata_ops = { - .inherits = &ata_bmdma32_port_ops, - .sff_irq_check = piix_irq_check, - }; - --static struct ata_port_operations piix_pata_ops = { -+static const struct ata_port_operations piix_pata_ops = { - .inherits = &piix_sata_ops, - .cable_detect = ata_cable_40wire, - .set_piomode = piix_set_piomode, -@@ -348,12 +348,12 @@ static struct ata_port_operations piix_p - .prereset = piix_pata_prereset, - }; - --static struct ata_port_operations piix_vmw_ops = { -+static const struct ata_port_operations piix_vmw_ops = { - .inherits = &piix_pata_ops, - .bmdma_status = piix_vmw_bmdma_status, - }; - --static struct ata_port_operations ich_pata_ops = { -+static const struct ata_port_operations ich_pata_ops = { - .inherits = &piix_pata_ops, - .cable_detect = ich_pata_cable_detect, - .set_dmamode = ich_set_dmamode, -@@ -369,7 +369,7 @@ static struct scsi_host_template piix_si - .shost_attrs = piix_sidpr_shost_attrs, - }; - --static struct ata_port_operations piix_sidpr_sata_ops = { -+static const struct ata_port_operations piix_sidpr_sata_ops = { - .inherits = &piix_sata_ops, - .hardreset = sata_std_hardreset, - .scr_read = piix_sidpr_scr_read, -diff -urNp linux-2.6.39.3/drivers/ata/libahci.c linux-2.6.39.3/drivers/ata/libahci.c ---- linux-2.6.39.3/drivers/ata/libahci.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/libahci.c 2011-05-22 19:36:30.000000000 -0400 -@@ -141,7 +141,7 @@ struct device_attribute *ahci_sdev_attrs - }; - EXPORT_SYMBOL_GPL(ahci_sdev_attrs); - --struct ata_port_operations ahci_ops = { -+const struct ata_port_operations ahci_ops = { - .inherits = &sata_pmp_port_ops, - - .qc_defer = ahci_pmp_qc_defer, -diff -urNp linux-2.6.39.3/drivers/ata/libata-acpi.c linux-2.6.39.3/drivers/ata/libata-acpi.c ---- linux-2.6.39.3/drivers/ata/libata-acpi.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/libata-acpi.c 2011-05-22 19:36:30.000000000 -0400 -@@ -218,12 +218,12 @@ static void ata_acpi_dev_uevent(acpi_han - ata_acpi_uevent(dev->link->ap, dev, event); - } - --static struct acpi_dock_ops ata_acpi_dev_dock_ops = { -+static const struct acpi_dock_ops ata_acpi_dev_dock_ops = { - .handler = ata_acpi_dev_notify_dock, - .uevent = ata_acpi_dev_uevent, - }; - --static struct acpi_dock_ops ata_acpi_ap_dock_ops = { -+static const struct acpi_dock_ops ata_acpi_ap_dock_ops = { - .handler = ata_acpi_ap_notify_dock, - .uevent = ata_acpi_ap_uevent, - }; -diff -urNp linux-2.6.39.3/drivers/ata/libata-core.c linux-2.6.39.3/drivers/ata/libata-core.c ---- linux-2.6.39.3/drivers/ata/libata-core.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/libata-core.c 2011-05-22 19:36:30.000000000 -0400 -@@ -4747,7 +4747,7 @@ void ata_qc_free(struct ata_queued_cmd * - struct ata_port *ap; - unsigned int tag; - -- WARN_ON_ONCE(qc == NULL); /* ata_qc_from_tag _might_ return NULL */ -+ BUG_ON(qc == NULL); /* ata_qc_from_tag _might_ return NULL */ - ap = qc->ap; - - qc->flags = 0; -@@ -4763,7 +4763,7 @@ void __ata_qc_complete(struct ata_queued - struct ata_port *ap; - struct ata_link *link; - -- WARN_ON_ONCE(qc == NULL); /* ata_qc_from_tag _might_ return NULL */ -+ BUG_ON(qc == NULL); /* ata_qc_from_tag _might_ return NULL */ - WARN_ON_ONCE(!(qc->flags & ATA_QCFLAG_ACTIVE)); - ap = qc->ap; - link = qc->dev->link; -@@ -5756,7 +5756,7 @@ static void ata_host_stop(struct device - * LOCKING: - * None. - */ --static void ata_finalize_port_ops(struct ata_port_operations *ops) -+static void ata_finalize_port_ops(const struct ata_port_operations *ops) - { - static DEFINE_SPINLOCK(lock); - const struct ata_port_operations *cur; -@@ -5768,6 +5768,7 @@ static void ata_finalize_port_ops(struct - return; - - spin_lock(&lock); -+ pax_open_kernel(); - - for (cur = ops->inherits; cur; cur = cur->inherits) { - void **inherit = (void **)cur; -@@ -5781,8 +5782,9 @@ static void ata_finalize_port_ops(struct - if (IS_ERR(*pp)) - *pp = NULL; - -- ops->inherits = NULL; -+ ((struct ata_port_operations *)ops)->inherits = NULL; - -+ pax_close_kernel(); - spin_unlock(&lock); - } - -@@ -5879,7 +5881,7 @@ int ata_host_start(struct ata_host *host - */ - /* KILLME - the only user left is ipr */ - void ata_host_init(struct ata_host *host, struct device *dev, -- unsigned long flags, struct ata_port_operations *ops) -+ unsigned long flags, const struct ata_port_operations *ops) - { - spin_lock_init(&host->lock); - mutex_init(&host->eh_mutex); -@@ -6583,7 +6585,7 @@ static void ata_dummy_error_handler(stru - /* truly dummy */ - } - --struct ata_port_operations ata_dummy_port_ops = { -+const struct ata_port_operations ata_dummy_port_ops = { - .qc_prep = ata_noop_qc_prep, - .qc_issue = ata_dummy_qc_issue, - .error_handler = ata_dummy_error_handler, -diff -urNp linux-2.6.39.3/drivers/ata/libata-eh.c linux-2.6.39.3/drivers/ata/libata-eh.c ---- linux-2.6.39.3/drivers/ata/libata-eh.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/libata-eh.c 2011-05-22 19:36:30.000000000 -0400 -@@ -2518,6 +2518,8 @@ void ata_eh_report(struct ata_port *ap) - { - struct ata_link *link; - -+ pax_track_stack(); -+ - ata_for_each_link(link, ap, HOST_FIRST) - ata_eh_link_report(link); - } -@@ -3922,7 +3924,7 @@ void ata_do_eh(struct ata_port *ap, ata_ - */ - void ata_std_error_handler(struct ata_port *ap) - { -- struct ata_port_operations *ops = ap->ops; -+ const struct ata_port_operations *ops = ap->ops; - ata_reset_fn_t hardreset = ops->hardreset; - - /* ignore built-in hardreset if SCR access is not available */ -diff -urNp linux-2.6.39.3/drivers/ata/libata-pmp.c linux-2.6.39.3/drivers/ata/libata-pmp.c ---- linux-2.6.39.3/drivers/ata/libata-pmp.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/libata-pmp.c 2011-05-22 19:36:30.000000000 -0400 -@@ -912,7 +912,7 @@ static int sata_pmp_handle_link_fail(str - */ - static int sata_pmp_eh_recover(struct ata_port *ap) - { -- struct ata_port_operations *ops = ap->ops; -+ const struct ata_port_operations *ops = ap->ops; - int pmp_tries, link_tries[SATA_PMP_MAX_PORTS]; - struct ata_link *pmp_link = &ap->link; - struct ata_device *pmp_dev = pmp_link->device; -diff -urNp linux-2.6.39.3/drivers/ata/pata_acpi.c linux-2.6.39.3/drivers/ata/pata_acpi.c ---- linux-2.6.39.3/drivers/ata/pata_acpi.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/pata_acpi.c 2011-05-22 19:36:30.000000000 -0400 -@@ -216,7 +216,7 @@ static struct scsi_host_template pacpi_s - ATA_BMDMA_SHT(DRV_NAME), - }; - --static struct ata_port_operations pacpi_ops = { -+static const struct ata_port_operations pacpi_ops = { - .inherits = &ata_bmdma_port_ops, - .qc_issue = pacpi_qc_issue, - .cable_detect = pacpi_cable_detect, -diff -urNp linux-2.6.39.3/drivers/ata/pata_ali.c linux-2.6.39.3/drivers/ata/pata_ali.c ---- linux-2.6.39.3/drivers/ata/pata_ali.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/pata_ali.c 2011-05-22 19:36:30.000000000 -0400 -@@ -363,7 +363,7 @@ static struct scsi_host_template ali_sht - * Port operations for PIO only ALi - */ - --static struct ata_port_operations ali_early_port_ops = { -+static const struct ata_port_operations ali_early_port_ops = { - .inherits = &ata_sff_port_ops, - .cable_detect = ata_cable_40wire, - .set_piomode = ali_set_piomode, -@@ -380,7 +380,7 @@ static const struct ata_port_operations - * Port operations for DMA capable ALi without cable - * detect - */ --static struct ata_port_operations ali_20_port_ops = { -+static const struct ata_port_operations ali_20_port_ops = { - .inherits = &ali_dma_base_ops, - .cable_detect = ata_cable_40wire, - .mode_filter = ali_20_filter, -@@ -391,7 +391,7 @@ static struct ata_port_operations ali_20 - /* - * Port operations for DMA capable ALi with cable detect - */ --static struct ata_port_operations ali_c2_port_ops = { -+static const struct ata_port_operations ali_c2_port_ops = { - .inherits = &ali_dma_base_ops, - .check_atapi_dma = ali_check_atapi_dma, - .cable_detect = ali_c2_cable_detect, -@@ -402,7 +402,7 @@ static struct ata_port_operations ali_c2 - /* - * Port operations for DMA capable ALi with cable detect - */ --static struct ata_port_operations ali_c4_port_ops = { -+static const struct ata_port_operations ali_c4_port_ops = { - .inherits = &ali_dma_base_ops, - .check_atapi_dma = ali_check_atapi_dma, - .cable_detect = ali_c2_cable_detect, -@@ -412,7 +412,7 @@ static struct ata_port_operations ali_c4 - /* - * Port operations for DMA capable ALi with cable detect and LBA48 - */ --static struct ata_port_operations ali_c5_port_ops = { -+static const struct ata_port_operations ali_c5_port_ops = { - .inherits = &ali_dma_base_ops, - .check_atapi_dma = ali_check_atapi_dma, - .dev_config = ali_warn_atapi_dma, -diff -urNp linux-2.6.39.3/drivers/ata/pata_amd.c linux-2.6.39.3/drivers/ata/pata_amd.c ---- linux-2.6.39.3/drivers/ata/pata_amd.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/pata_amd.c 2011-05-22 19:36:31.000000000 -0400 -@@ -397,28 +397,28 @@ static const struct ata_port_operations - .prereset = amd_pre_reset, - }; - --static struct ata_port_operations amd33_port_ops = { -+static const struct ata_port_operations amd33_port_ops = { - .inherits = &amd_base_port_ops, - .cable_detect = ata_cable_40wire, - .set_piomode = amd33_set_piomode, - .set_dmamode = amd33_set_dmamode, - }; - --static struct ata_port_operations amd66_port_ops = { -+static const struct ata_port_operations amd66_port_ops = { - .inherits = &amd_base_port_ops, - .cable_detect = ata_cable_unknown, - .set_piomode = amd66_set_piomode, - .set_dmamode = amd66_set_dmamode, - }; - --static struct ata_port_operations amd100_port_ops = { -+static const struct ata_port_operations amd100_port_ops = { - .inherits = &amd_base_port_ops, - .cable_detect = ata_cable_unknown, - .set_piomode = amd100_set_piomode, - .set_dmamode = amd100_set_dmamode, - }; - --static struct ata_port_operations amd133_port_ops = { -+static const struct ata_port_operations amd133_port_ops = { - .inherits = &amd_base_port_ops, - .cable_detect = amd_cable_detect, - .set_piomode = amd133_set_piomode, -@@ -433,13 +433,13 @@ static const struct ata_port_operations - .host_stop = nv_host_stop, - }; - --static struct ata_port_operations nv100_port_ops = { -+static const struct ata_port_operations nv100_port_ops = { - .inherits = &nv_base_port_ops, - .set_piomode = nv100_set_piomode, - .set_dmamode = nv100_set_dmamode, - }; - --static struct ata_port_operations nv133_port_ops = { -+static const struct ata_port_operations nv133_port_ops = { - .inherits = &nv_base_port_ops, - .set_piomode = nv133_set_piomode, - .set_dmamode = nv133_set_dmamode, -diff -urNp linux-2.6.39.3/drivers/ata/pata_arasan_cf.c linux-2.6.39.3/drivers/ata/pata_arasan_cf.c ---- linux-2.6.39.3/drivers/ata/pata_arasan_cf.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/pata_arasan_cf.c 2011-05-22 19:36:31.000000000 -0400 -@@ -862,7 +862,9 @@ static int __devinit arasan_cf_probe(str - /* Handle platform specific quirks */ - if (pdata->quirk) { - if (pdata->quirk & CF_BROKEN_PIO) { -- ap->ops->set_piomode = NULL; -+ pax_open_kernel(); -+ *(void**)&ap->ops->set_piomode = NULL; -+ pax_close_kernel(); - ap->pio_mask = 0; - } - if (pdata->quirk & CF_BROKEN_MWDMA) -diff -urNp linux-2.6.39.3/drivers/ata/pata_artop.c linux-2.6.39.3/drivers/ata/pata_artop.c ---- linux-2.6.39.3/drivers/ata/pata_artop.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/pata_artop.c 2011-05-22 19:36:31.000000000 -0400 -@@ -312,7 +312,7 @@ static struct scsi_host_template artop_s - ATA_BMDMA_SHT(DRV_NAME), - }; - --static struct ata_port_operations artop6210_ops = { -+static const struct ata_port_operations artop6210_ops = { - .inherits = &ata_bmdma_port_ops, - .cable_detect = ata_cable_40wire, - .set_piomode = artop6210_set_piomode, -@@ -321,7 +321,7 @@ static struct ata_port_operations artop6 - .qc_defer = artop6210_qc_defer, - }; - --static struct ata_port_operations artop6260_ops = { -+static const struct ata_port_operations artop6260_ops = { - .inherits = &ata_bmdma_port_ops, - .cable_detect = artop6260_cable_detect, - .set_piomode = artop6260_set_piomode, -diff -urNp linux-2.6.39.3/drivers/ata/pata_at32.c linux-2.6.39.3/drivers/ata/pata_at32.c ---- linux-2.6.39.3/drivers/ata/pata_at32.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/pata_at32.c 2011-05-22 19:36:31.000000000 -0400 -@@ -173,7 +173,7 @@ static struct scsi_host_template at32_sh - ATA_PIO_SHT(DRV_NAME), - }; - --static struct ata_port_operations at32_port_ops = { -+static const struct ata_port_operations at32_port_ops = { - .inherits = &ata_sff_port_ops, - .cable_detect = ata_cable_40wire, - .set_piomode = pata_at32_set_piomode, -diff -urNp linux-2.6.39.3/drivers/ata/pata_at91.c linux-2.6.39.3/drivers/ata/pata_at91.c ---- linux-2.6.39.3/drivers/ata/pata_at91.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/pata_at91.c 2011-05-22 19:36:31.000000000 -0400 -@@ -212,7 +212,7 @@ static struct scsi_host_template pata_at - ATA_PIO_SHT(DRV_NAME), - }; - --static struct ata_port_operations pata_at91_port_ops = { -+static const struct ata_port_operations pata_at91_port_ops = { - .inherits = &ata_sff_port_ops, - - .sff_data_xfer = pata_at91_data_xfer_noirq, -diff -urNp linux-2.6.39.3/drivers/ata/pata_atiixp.c linux-2.6.39.3/drivers/ata/pata_atiixp.c ---- linux-2.6.39.3/drivers/ata/pata_atiixp.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/pata_atiixp.c 2011-05-22 19:36:31.000000000 -0400 -@@ -214,7 +214,7 @@ static struct scsi_host_template atiixp_ - .sg_tablesize = LIBATA_DUMB_MAX_PRD, - }; - --static struct ata_port_operations atiixp_port_ops = { -+static const struct ata_port_operations atiixp_port_ops = { - .inherits = &ata_bmdma_port_ops, - - .qc_prep = ata_bmdma_dumb_qc_prep, -diff -urNp linux-2.6.39.3/drivers/ata/pata_atp867x.c linux-2.6.39.3/drivers/ata/pata_atp867x.c ---- linux-2.6.39.3/drivers/ata/pata_atp867x.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/pata_atp867x.c 2011-05-22 19:36:31.000000000 -0400 -@@ -275,7 +275,7 @@ static struct scsi_host_template atp867x - ATA_BMDMA_SHT(DRV_NAME), - }; - --static struct ata_port_operations atp867x_ops = { -+static const struct ata_port_operations atp867x_ops = { - .inherits = &ata_bmdma_port_ops, - .cable_detect = atp867x_cable_detect, - .set_piomode = atp867x_set_piomode, -diff -urNp linux-2.6.39.3/drivers/ata/pata_bf54x.c linux-2.6.39.3/drivers/ata/pata_bf54x.c ---- linux-2.6.39.3/drivers/ata/pata_bf54x.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/pata_bf54x.c 2011-05-22 19:36:31.000000000 -0400 -@@ -1420,7 +1420,7 @@ static struct scsi_host_template bfin_sh - .dma_boundary = ATA_DMA_BOUNDARY, - }; - --static struct ata_port_operations bfin_pata_ops = { -+static const struct ata_port_operations bfin_pata_ops = { - .inherits = &ata_bmdma_port_ops, - - .set_piomode = bfin_set_piomode, -diff -urNp linux-2.6.39.3/drivers/ata/pata_cmd640.c linux-2.6.39.3/drivers/ata/pata_cmd640.c ---- linux-2.6.39.3/drivers/ata/pata_cmd640.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/pata_cmd640.c 2011-05-22 19:36:31.000000000 -0400 -@@ -176,7 +176,7 @@ static struct scsi_host_template cmd640_ - ATA_PIO_SHT(DRV_NAME), - }; - --static struct ata_port_operations cmd640_port_ops = { -+static const struct ata_port_operations cmd640_port_ops = { - .inherits = &ata_sff_port_ops, - /* In theory xfer_noirq is not needed once we kill the prefetcher */ - .sff_data_xfer = ata_sff_data_xfer_noirq, -diff -urNp linux-2.6.39.3/drivers/ata/pata_cmd64x.c linux-2.6.39.3/drivers/ata/pata_cmd64x.c ---- linux-2.6.39.3/drivers/ata/pata_cmd64x.c 2011-06-03 00:04:13.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/pata_cmd64x.c 2011-06-03 00:32:05.000000000 -0400 -@@ -271,18 +271,18 @@ static const struct ata_port_operations - .set_dmamode = cmd64x_set_dmamode, - }; - --static struct ata_port_operations cmd64x_port_ops = { -+static const struct ata_port_operations cmd64x_port_ops = { - .inherits = &cmd64x_base_ops, - .cable_detect = ata_cable_40wire, - }; - --static struct ata_port_operations cmd646r1_port_ops = { -+static const struct ata_port_operations cmd646r1_port_ops = { - .inherits = &cmd64x_base_ops, - .bmdma_stop = cmd646r1_bmdma_stop, - .cable_detect = ata_cable_40wire, - }; - --static struct ata_port_operations cmd648_port_ops = { -+static const struct ata_port_operations cmd648_port_ops = { - .inherits = &cmd64x_base_ops, - .bmdma_stop = cmd648_bmdma_stop, - .cable_detect = cmd648_cable_detect, -diff -urNp linux-2.6.39.3/drivers/ata/pata_cs5520.c linux-2.6.39.3/drivers/ata/pata_cs5520.c ---- linux-2.6.39.3/drivers/ata/pata_cs5520.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/pata_cs5520.c 2011-05-22 19:36:31.000000000 -0400 -@@ -108,7 +108,7 @@ static struct scsi_host_template cs5520_ - .sg_tablesize = LIBATA_DUMB_MAX_PRD, - }; - --static struct ata_port_operations cs5520_port_ops = { -+static const struct ata_port_operations cs5520_port_ops = { - .inherits = &ata_bmdma_port_ops, - .qc_prep = ata_bmdma_dumb_qc_prep, - .cable_detect = ata_cable_40wire, -diff -urNp linux-2.6.39.3/drivers/ata/pata_cs5530.c linux-2.6.39.3/drivers/ata/pata_cs5530.c ---- linux-2.6.39.3/drivers/ata/pata_cs5530.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/pata_cs5530.c 2011-05-22 19:36:31.000000000 -0400 -@@ -164,7 +164,7 @@ static struct scsi_host_template cs5530_ - .sg_tablesize = LIBATA_DUMB_MAX_PRD, - }; - --static struct ata_port_operations cs5530_port_ops = { -+static const struct ata_port_operations cs5530_port_ops = { - .inherits = &ata_bmdma_port_ops, - - .qc_prep = ata_bmdma_dumb_qc_prep, -diff -urNp linux-2.6.39.3/drivers/ata/pata_cs5535.c linux-2.6.39.3/drivers/ata/pata_cs5535.c ---- linux-2.6.39.3/drivers/ata/pata_cs5535.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/pata_cs5535.c 2011-05-22 19:36:31.000000000 -0400 -@@ -160,7 +160,7 @@ static struct scsi_host_template cs5535_ - ATA_BMDMA_SHT(DRV_NAME), - }; - --static struct ata_port_operations cs5535_port_ops = { -+static const struct ata_port_operations cs5535_port_ops = { - .inherits = &ata_bmdma_port_ops, - .cable_detect = cs5535_cable_detect, - .set_piomode = cs5535_set_piomode, -diff -urNp linux-2.6.39.3/drivers/ata/pata_cs5536.c linux-2.6.39.3/drivers/ata/pata_cs5536.c ---- linux-2.6.39.3/drivers/ata/pata_cs5536.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/pata_cs5536.c 2011-05-22 19:36:31.000000000 -0400 -@@ -233,7 +233,7 @@ static struct scsi_host_template cs5536_ - ATA_BMDMA_SHT(DRV_NAME), - }; - --static struct ata_port_operations cs5536_port_ops = { -+static const struct ata_port_operations cs5536_port_ops = { - .inherits = &ata_bmdma32_port_ops, - .cable_detect = cs5536_cable_detect, - .set_piomode = cs5536_set_piomode, -diff -urNp linux-2.6.39.3/drivers/ata/pata_cypress.c linux-2.6.39.3/drivers/ata/pata_cypress.c ---- linux-2.6.39.3/drivers/ata/pata_cypress.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/pata_cypress.c 2011-05-22 19:36:31.000000000 -0400 -@@ -115,7 +115,7 @@ static struct scsi_host_template cy82c69 - ATA_BMDMA_SHT(DRV_NAME), - }; - --static struct ata_port_operations cy82c693_port_ops = { -+static const struct ata_port_operations cy82c693_port_ops = { - .inherits = &ata_bmdma_port_ops, - .cable_detect = ata_cable_40wire, - .set_piomode = cy82c693_set_piomode, -diff -urNp linux-2.6.39.3/drivers/ata/pata_efar.c linux-2.6.39.3/drivers/ata/pata_efar.c ---- linux-2.6.39.3/drivers/ata/pata_efar.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/pata_efar.c 2011-05-22 19:36:31.000000000 -0400 -@@ -238,7 +238,7 @@ static struct scsi_host_template efar_sh - ATA_BMDMA_SHT(DRV_NAME), - }; - --static struct ata_port_operations efar_ops = { -+static const struct ata_port_operations efar_ops = { - .inherits = &ata_bmdma_port_ops, - .cable_detect = efar_cable_detect, - .set_piomode = efar_set_piomode, -diff -urNp linux-2.6.39.3/drivers/ata/pata_hpt366.c linux-2.6.39.3/drivers/ata/pata_hpt366.c ---- linux-2.6.39.3/drivers/ata/pata_hpt366.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/pata_hpt366.c 2011-05-22 19:36:31.000000000 -0400 -@@ -276,7 +276,7 @@ static struct scsi_host_template hpt36x_ - * Configuration for HPT366/68 - */ - --static struct ata_port_operations hpt366_port_ops = { -+static const struct ata_port_operations hpt366_port_ops = { - .inherits = &ata_bmdma_port_ops, - .cable_detect = hpt36x_cable_detect, - .mode_filter = hpt366_filter, -diff -urNp linux-2.6.39.3/drivers/ata/pata_hpt37x.c linux-2.6.39.3/drivers/ata/pata_hpt37x.c ---- linux-2.6.39.3/drivers/ata/pata_hpt37x.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/pata_hpt37x.c 2011-05-22 19:36:31.000000000 -0400 -@@ -589,7 +589,7 @@ static struct scsi_host_template hpt37x_ - * Configuration for HPT370 - */ - --static struct ata_port_operations hpt370_port_ops = { -+static const struct ata_port_operations hpt370_port_ops = { - .inherits = &ata_bmdma_port_ops, - - .bmdma_stop = hpt370_bmdma_stop, -@@ -605,7 +605,7 @@ static struct ata_port_operations hpt370 - * Configuration for HPT370A. Close to 370 but less filters - */ - --static struct ata_port_operations hpt370a_port_ops = { -+static const struct ata_port_operations hpt370a_port_ops = { - .inherits = &hpt370_port_ops, - .mode_filter = hpt370a_filter, - }; -@@ -615,7 +615,7 @@ static struct ata_port_operations hpt370 - * mode setting functionality. - */ - --static struct ata_port_operations hpt302_port_ops = { -+static const struct ata_port_operations hpt302_port_ops = { - .inherits = &ata_bmdma_port_ops, - - .bmdma_stop = hpt37x_bmdma_stop, -@@ -631,7 +631,7 @@ static struct ata_port_operations hpt302 - * but we have a mode filter. - */ - --static struct ata_port_operations hpt372_port_ops = { -+static const struct ata_port_operations hpt372_port_ops = { - .inherits = &hpt302_port_ops, - .mode_filter = hpt372_filter, - }; -@@ -641,7 +641,7 @@ static struct ata_port_operations hpt372 - * but we have a different cable detection procedure for function 1. - */ - --static struct ata_port_operations hpt374_fn1_port_ops = { -+static const struct ata_port_operations hpt374_fn1_port_ops = { - .inherits = &hpt372_port_ops, - .cable_detect = hpt374_fn1_cable_detect, - }; -diff -urNp linux-2.6.39.3/drivers/ata/pata_hpt3x2n.c linux-2.6.39.3/drivers/ata/pata_hpt3x2n.c ---- linux-2.6.39.3/drivers/ata/pata_hpt3x2n.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/pata_hpt3x2n.c 2011-05-22 19:36:31.000000000 -0400 -@@ -350,7 +350,7 @@ static struct scsi_host_template hpt3x2n - * Configuration for HPT302N/371N. - */ - --static struct ata_port_operations hpt3xxn_port_ops = { -+static const struct ata_port_operations hpt3xxn_port_ops = { - .inherits = &ata_bmdma_port_ops, - - .bmdma_stop = hpt3x2n_bmdma_stop, -@@ -368,7 +368,7 @@ static struct ata_port_operations hpt3xx - * Configuration for HPT372N. Same as 302N/371N but we have a mode filter. - */ - --static struct ata_port_operations hpt372n_port_ops = { -+static const struct ata_port_operations hpt372n_port_ops = { - .inherits = &hpt3xxn_port_ops, - .mode_filter = &hpt372n_filter, - }; -diff -urNp linux-2.6.39.3/drivers/ata/pata_hpt3x3.c linux-2.6.39.3/drivers/ata/pata_hpt3x3.c ---- linux-2.6.39.3/drivers/ata/pata_hpt3x3.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/pata_hpt3x3.c 2011-05-22 19:36:31.000000000 -0400 -@@ -141,7 +141,7 @@ static struct scsi_host_template hpt3x3_ - ATA_BMDMA_SHT(DRV_NAME), - }; - --static struct ata_port_operations hpt3x3_port_ops = { -+static const struct ata_port_operations hpt3x3_port_ops = { - .inherits = &ata_bmdma_port_ops, - .cable_detect = ata_cable_40wire, - .set_piomode = hpt3x3_set_piomode, -diff -urNp linux-2.6.39.3/drivers/ata/pata_icside.c linux-2.6.39.3/drivers/ata/pata_icside.c ---- linux-2.6.39.3/drivers/ata/pata_icside.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/pata_icside.c 2011-05-22 19:36:31.000000000 -0400 -@@ -320,7 +320,7 @@ static void pata_icside_postreset(struct - } - } - --static struct ata_port_operations pata_icside_port_ops = { -+static const struct ata_port_operations pata_icside_port_ops = { - .inherits = &ata_bmdma_port_ops, - /* no need to build any PRD tables for DMA */ - .qc_prep = ata_noop_qc_prep, -diff -urNp linux-2.6.39.3/drivers/ata/pata_isapnp.c linux-2.6.39.3/drivers/ata/pata_isapnp.c ---- linux-2.6.39.3/drivers/ata/pata_isapnp.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/pata_isapnp.c 2011-05-22 19:36:31.000000000 -0400 -@@ -23,12 +23,12 @@ static struct scsi_host_template isapnp_ - ATA_PIO_SHT(DRV_NAME), - }; - --static struct ata_port_operations isapnp_port_ops = { -+static const struct ata_port_operations isapnp_port_ops = { - .inherits = &ata_sff_port_ops, - .cable_detect = ata_cable_40wire, - }; - --static struct ata_port_operations isapnp_noalt_port_ops = { -+static const struct ata_port_operations isapnp_noalt_port_ops = { - .inherits = &ata_sff_port_ops, - .cable_detect = ata_cable_40wire, - /* No altstatus so we don't want to use the lost interrupt poll */ -diff -urNp linux-2.6.39.3/drivers/ata/pata_it8213.c linux-2.6.39.3/drivers/ata/pata_it8213.c ---- linux-2.6.39.3/drivers/ata/pata_it8213.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/pata_it8213.c 2011-05-22 19:36:31.000000000 -0400 -@@ -233,7 +233,7 @@ static struct scsi_host_template it8213_ - }; - - --static struct ata_port_operations it8213_ops = { -+static const struct ata_port_operations it8213_ops = { - .inherits = &ata_bmdma_port_ops, - .cable_detect = it8213_cable_detect, - .set_piomode = it8213_set_piomode, -diff -urNp linux-2.6.39.3/drivers/ata/pata_it821x.c linux-2.6.39.3/drivers/ata/pata_it821x.c ---- linux-2.6.39.3/drivers/ata/pata_it821x.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/pata_it821x.c 2011-05-22 19:36:31.000000000 -0400 -@@ -801,7 +801,7 @@ static struct scsi_host_template it821x_ - ATA_BMDMA_SHT(DRV_NAME), - }; - --static struct ata_port_operations it821x_smart_port_ops = { -+static const struct ata_port_operations it821x_smart_port_ops = { - .inherits = &ata_bmdma_port_ops, - - .check_atapi_dma= it821x_check_atapi_dma, -@@ -815,7 +815,7 @@ static struct ata_port_operations it821x - .port_start = it821x_port_start, - }; - --static struct ata_port_operations it821x_passthru_port_ops = { -+static const struct ata_port_operations it821x_passthru_port_ops = { - .inherits = &ata_bmdma_port_ops, - - .check_atapi_dma= it821x_check_atapi_dma, -@@ -831,7 +831,7 @@ static struct ata_port_operations it821x - .port_start = it821x_port_start, - }; - --static struct ata_port_operations it821x_rdc_port_ops = { -+static const struct ata_port_operations it821x_rdc_port_ops = { - .inherits = &ata_bmdma_port_ops, - - .check_atapi_dma= it821x_check_atapi_dma, -diff -urNp linux-2.6.39.3/drivers/ata/pata_ixp4xx_cf.c linux-2.6.39.3/drivers/ata/pata_ixp4xx_cf.c ---- linux-2.6.39.3/drivers/ata/pata_ixp4xx_cf.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/pata_ixp4xx_cf.c 2011-05-22 19:36:31.000000000 -0400 -@@ -89,7 +89,7 @@ static struct scsi_host_template ixp4xx_ - ATA_PIO_SHT(DRV_NAME), - }; - --static struct ata_port_operations ixp4xx_port_ops = { -+static const struct ata_port_operations ixp4xx_port_ops = { - .inherits = &ata_sff_port_ops, - .sff_data_xfer = ixp4xx_mmio_data_xfer, - .cable_detect = ata_cable_40wire, -diff -urNp linux-2.6.39.3/drivers/ata/pata_jmicron.c linux-2.6.39.3/drivers/ata/pata_jmicron.c ---- linux-2.6.39.3/drivers/ata/pata_jmicron.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/pata_jmicron.c 2011-05-22 19:36:31.000000000 -0400 -@@ -111,7 +111,7 @@ static struct scsi_host_template jmicron - ATA_BMDMA_SHT(DRV_NAME), - }; - --static struct ata_port_operations jmicron_ops = { -+static const struct ata_port_operations jmicron_ops = { - .inherits = &ata_bmdma_port_ops, - .prereset = jmicron_pre_reset, - }; -diff -urNp linux-2.6.39.3/drivers/ata/pata_legacy.c linux-2.6.39.3/drivers/ata/pata_legacy.c ---- linux-2.6.39.3/drivers/ata/pata_legacy.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/pata_legacy.c 2011-05-22 19:36:31.000000000 -0400 -@@ -116,7 +116,7 @@ struct legacy_probe { - - struct legacy_controller { - const char *name; -- struct ata_port_operations *ops; -+ const struct ata_port_operations *ops; - unsigned int pio_mask; - unsigned int flags; - unsigned int pflags; -@@ -239,12 +239,12 @@ static const struct ata_port_operations - * pio_mask as well. - */ - --static struct ata_port_operations simple_port_ops = { -+static const struct ata_port_operations simple_port_ops = { - .inherits = &legacy_base_port_ops, - .sff_data_xfer = ata_sff_data_xfer_noirq, - }; - --static struct ata_port_operations legacy_port_ops = { -+static const struct ata_port_operations legacy_port_ops = { - .inherits = &legacy_base_port_ops, - .sff_data_xfer = ata_sff_data_xfer_noirq, - .set_mode = legacy_set_mode, -@@ -340,7 +340,7 @@ static unsigned int pdc_data_xfer_vlb(st - return buflen; - } - --static struct ata_port_operations pdc20230_port_ops = { -+static const struct ata_port_operations pdc20230_port_ops = { - .inherits = &legacy_base_port_ops, - .set_piomode = pdc20230_set_piomode, - .sff_data_xfer = pdc_data_xfer_vlb, -@@ -373,7 +373,7 @@ static void ht6560a_set_piomode(struct a - ioread8(ap->ioaddr.status_addr); - } - --static struct ata_port_operations ht6560a_port_ops = { -+static const struct ata_port_operations ht6560a_port_ops = { - .inherits = &legacy_base_port_ops, - .set_piomode = ht6560a_set_piomode, - }; -@@ -416,7 +416,7 @@ static void ht6560b_set_piomode(struct a - ioread8(ap->ioaddr.status_addr); - } - --static struct ata_port_operations ht6560b_port_ops = { -+static const struct ata_port_operations ht6560b_port_ops = { - .inherits = &legacy_base_port_ops, - .set_piomode = ht6560b_set_piomode, - }; -@@ -515,7 +515,7 @@ static void opti82c611a_set_piomode(stru - } - - --static struct ata_port_operations opti82c611a_port_ops = { -+static const struct ata_port_operations opti82c611a_port_ops = { - .inherits = &legacy_base_port_ops, - .set_piomode = opti82c611a_set_piomode, - }; -@@ -625,7 +625,7 @@ static unsigned int opti82c46x_qc_issue( - return ata_sff_qc_issue(qc); - } - --static struct ata_port_operations opti82c46x_port_ops = { -+static const struct ata_port_operations opti82c46x_port_ops = { - .inherits = &legacy_base_port_ops, - .set_piomode = opti82c46x_set_piomode, - .qc_issue = opti82c46x_qc_issue, -@@ -787,20 +787,20 @@ static int qdi_port(struct platform_devi - return 0; - } - --static struct ata_port_operations qdi6500_port_ops = { -+static const struct ata_port_operations qdi6500_port_ops = { - .inherits = &legacy_base_port_ops, - .set_piomode = qdi6500_set_piomode, - .qc_issue = qdi_qc_issue, - .sff_data_xfer = vlb32_data_xfer, - }; - --static struct ata_port_operations qdi6580_port_ops = { -+static const struct ata_port_operations qdi6580_port_ops = { - .inherits = &legacy_base_port_ops, - .set_piomode = qdi6580_set_piomode, - .sff_data_xfer = vlb32_data_xfer, - }; - --static struct ata_port_operations qdi6580dp_port_ops = { -+static const struct ata_port_operations qdi6580dp_port_ops = { - .inherits = &legacy_base_port_ops, - .set_piomode = qdi6580dp_set_piomode, - .qc_issue = qdi_qc_issue, -@@ -872,7 +872,7 @@ static int winbond_port(struct platform_ - return 0; - } - --static struct ata_port_operations winbond_port_ops = { -+static const struct ata_port_operations winbond_port_ops = { - .inherits = &legacy_base_port_ops, - .set_piomode = winbond_set_piomode, - .sff_data_xfer = vlb32_data_xfer, -@@ -995,7 +995,7 @@ static __init int legacy_init_one(struct - int pio_modes = controller->pio_mask; - unsigned long io = probe->port; - u32 mask = (1 << probe->slot); -- struct ata_port_operations *ops = controller->ops; -+ const struct ata_port_operations *ops = controller->ops; - struct legacy_data *ld = &legacy_data[probe->slot]; - struct ata_host *host = NULL; - struct ata_port *ap; -diff -urNp linux-2.6.39.3/drivers/ata/pata_macio.c linux-2.6.39.3/drivers/ata/pata_macio.c ---- linux-2.6.39.3/drivers/ata/pata_macio.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/pata_macio.c 2011-05-22 19:36:31.000000000 -0400 -@@ -918,9 +918,8 @@ static struct scsi_host_template pata_ma - .slave_configure = pata_macio_slave_config, - }; - --static struct ata_port_operations pata_macio_ops = { -+static const struct ata_port_operations pata_macio_ops = { - .inherits = &ata_bmdma_port_ops, -- - .freeze = pata_macio_freeze, - .set_piomode = pata_macio_set_timings, - .set_dmamode = pata_macio_set_timings, -diff -urNp linux-2.6.39.3/drivers/ata/pata_marvell.c linux-2.6.39.3/drivers/ata/pata_marvell.c ---- linux-2.6.39.3/drivers/ata/pata_marvell.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/pata_marvell.c 2011-05-22 19:36:31.000000000 -0400 -@@ -100,7 +100,7 @@ static struct scsi_host_template marvell - ATA_BMDMA_SHT(DRV_NAME), - }; - --static struct ata_port_operations marvell_ops = { -+static const struct ata_port_operations marvell_ops = { - .inherits = &ata_bmdma_port_ops, - .cable_detect = marvell_cable_detect, - .prereset = marvell_pre_reset, -diff -urNp linux-2.6.39.3/drivers/ata/pata_mpc52xx.c linux-2.6.39.3/drivers/ata/pata_mpc52xx.c ---- linux-2.6.39.3/drivers/ata/pata_mpc52xx.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/pata_mpc52xx.c 2011-05-22 19:36:31.000000000 -0400 -@@ -609,7 +609,7 @@ static struct scsi_host_template mpc52xx - ATA_PIO_SHT(DRV_NAME), - }; - --static struct ata_port_operations mpc52xx_ata_port_ops = { -+static const struct ata_port_operations mpc52xx_ata_port_ops = { - .inherits = &ata_bmdma_port_ops, - .sff_dev_select = mpc52xx_ata_dev_select, - .set_piomode = mpc52xx_ata_set_piomode, -diff -urNp linux-2.6.39.3/drivers/ata/pata_mpiix.c linux-2.6.39.3/drivers/ata/pata_mpiix.c ---- linux-2.6.39.3/drivers/ata/pata_mpiix.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/pata_mpiix.c 2011-05-22 19:36:31.000000000 -0400 -@@ -140,7 +140,7 @@ static struct scsi_host_template mpiix_s - ATA_PIO_SHT(DRV_NAME), - }; - --static struct ata_port_operations mpiix_port_ops = { -+static const struct ata_port_operations mpiix_port_ops = { - .inherits = &ata_sff_port_ops, - .qc_issue = mpiix_qc_issue, - .cable_detect = ata_cable_40wire, -diff -urNp linux-2.6.39.3/drivers/ata/pata_netcell.c linux-2.6.39.3/drivers/ata/pata_netcell.c ---- linux-2.6.39.3/drivers/ata/pata_netcell.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/pata_netcell.c 2011-05-22 19:36:31.000000000 -0400 -@@ -34,7 +34,7 @@ static struct scsi_host_template netcell - ATA_BMDMA_SHT(DRV_NAME), - }; - --static struct ata_port_operations netcell_ops = { -+static const struct ata_port_operations netcell_ops = { - .inherits = &ata_bmdma_port_ops, - .cable_detect = ata_cable_80wire, - .read_id = netcell_read_id, -diff -urNp linux-2.6.39.3/drivers/ata/pata_ninja32.c linux-2.6.39.3/drivers/ata/pata_ninja32.c ---- linux-2.6.39.3/drivers/ata/pata_ninja32.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/pata_ninja32.c 2011-05-22 19:36:31.000000000 -0400 -@@ -81,7 +81,7 @@ static struct scsi_host_template ninja32 - ATA_BMDMA_SHT(DRV_NAME), - }; - --static struct ata_port_operations ninja32_port_ops = { -+static const struct ata_port_operations ninja32_port_ops = { - .inherits = &ata_bmdma_port_ops, - .sff_dev_select = ninja32_dev_select, - .cable_detect = ata_cable_40wire, -diff -urNp linux-2.6.39.3/drivers/ata/pata_ns87410.c linux-2.6.39.3/drivers/ata/pata_ns87410.c ---- linux-2.6.39.3/drivers/ata/pata_ns87410.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/pata_ns87410.c 2011-05-22 19:36:31.000000000 -0400 -@@ -132,7 +132,7 @@ static struct scsi_host_template ns87410 - ATA_PIO_SHT(DRV_NAME), - }; - --static struct ata_port_operations ns87410_port_ops = { -+static const struct ata_port_operations ns87410_port_ops = { - .inherits = &ata_sff_port_ops, - .qc_issue = ns87410_qc_issue, - .cable_detect = ata_cable_40wire, -diff -urNp linux-2.6.39.3/drivers/ata/pata_ns87415.c linux-2.6.39.3/drivers/ata/pata_ns87415.c ---- linux-2.6.39.3/drivers/ata/pata_ns87415.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/pata_ns87415.c 2011-05-22 19:36:31.000000000 -0400 -@@ -299,7 +299,7 @@ static u8 ns87560_bmdma_status(struct at - } - #endif /* 87560 SuperIO Support */ - --static struct ata_port_operations ns87415_pata_ops = { -+static const struct ata_port_operations ns87415_pata_ops = { - .inherits = &ata_bmdma_port_ops, - - .check_atapi_dma = ns87415_check_atapi_dma, -@@ -313,7 +313,7 @@ static struct ata_port_operations ns8741 - }; - - #if defined(CONFIG_SUPERIO) --static struct ata_port_operations ns87560_pata_ops = { -+static const struct ata_port_operations ns87560_pata_ops = { - .inherits = &ns87415_pata_ops, - .sff_tf_read = ns87560_tf_read, - .sff_check_status = ns87560_check_status, -diff -urNp linux-2.6.39.3/drivers/ata/pata_octeon_cf.c linux-2.6.39.3/drivers/ata/pata_octeon_cf.c ---- linux-2.6.39.3/drivers/ata/pata_octeon_cf.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/pata_octeon_cf.c 2011-05-22 19:36:31.000000000 -0400 -@@ -780,7 +780,7 @@ static unsigned int octeon_cf_qc_issue(s - return 0; - } - --static struct ata_port_operations octeon_cf_ops = { -+static struct ata_port_operations octeon_cf_ops = { /* cannot be const */ - .inherits = &ata_sff_port_ops, - .check_atapi_dma = octeon_cf_check_atapi_dma, - .qc_prep = ata_noop_qc_prep, -diff -urNp linux-2.6.39.3/drivers/ata/pata_oldpiix.c linux-2.6.39.3/drivers/ata/pata_oldpiix.c ---- linux-2.6.39.3/drivers/ata/pata_oldpiix.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/pata_oldpiix.c 2011-05-22 19:36:31.000000000 -0400 -@@ -208,7 +208,7 @@ static struct scsi_host_template oldpiix - ATA_BMDMA_SHT(DRV_NAME), - }; - --static struct ata_port_operations oldpiix_pata_ops = { -+static const struct ata_port_operations oldpiix_pata_ops = { - .inherits = &ata_bmdma_port_ops, - .qc_issue = oldpiix_qc_issue, - .cable_detect = ata_cable_40wire, -diff -urNp linux-2.6.39.3/drivers/ata/pata_opti.c linux-2.6.39.3/drivers/ata/pata_opti.c ---- linux-2.6.39.3/drivers/ata/pata_opti.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/pata_opti.c 2011-05-22 19:36:31.000000000 -0400 -@@ -152,7 +152,7 @@ static struct scsi_host_template opti_sh - ATA_PIO_SHT(DRV_NAME), - }; - --static struct ata_port_operations opti_port_ops = { -+static const struct ata_port_operations opti_port_ops = { - .inherits = &ata_sff_port_ops, - .cable_detect = ata_cable_40wire, - .set_piomode = opti_set_piomode, -diff -urNp linux-2.6.39.3/drivers/ata/pata_optidma.c linux-2.6.39.3/drivers/ata/pata_optidma.c ---- linux-2.6.39.3/drivers/ata/pata_optidma.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/pata_optidma.c 2011-05-22 19:36:31.000000000 -0400 -@@ -337,7 +337,7 @@ static struct scsi_host_template optidma - ATA_BMDMA_SHT(DRV_NAME), - }; - --static struct ata_port_operations optidma_port_ops = { -+static const struct ata_port_operations optidma_port_ops = { - .inherits = &ata_bmdma_port_ops, - .cable_detect = ata_cable_40wire, - .set_piomode = optidma_set_pio_mode, -@@ -346,7 +346,7 @@ static struct ata_port_operations optidm - .prereset = optidma_pre_reset, - }; - --static struct ata_port_operations optiplus_port_ops = { -+static const struct ata_port_operations optiplus_port_ops = { - .inherits = &optidma_port_ops, - .set_piomode = optiplus_set_pio_mode, - .set_dmamode = optiplus_set_dma_mode, -diff -urNp linux-2.6.39.3/drivers/ata/pata_palmld.c linux-2.6.39.3/drivers/ata/pata_palmld.c ---- linux-2.6.39.3/drivers/ata/pata_palmld.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/pata_palmld.c 2011-05-22 19:36:31.000000000 -0400 -@@ -42,7 +42,7 @@ static struct scsi_host_template palmld_ - ATA_PIO_SHT(DRV_NAME), - }; - --static struct ata_port_operations palmld_port_ops = { -+static const struct ata_port_operations palmld_port_ops = { - .inherits = &ata_sff_port_ops, - .sff_data_xfer = ata_sff_data_xfer_noirq, - .cable_detect = ata_cable_40wire, -diff -urNp linux-2.6.39.3/drivers/ata/pata_pcmcia.c linux-2.6.39.3/drivers/ata/pata_pcmcia.c ---- linux-2.6.39.3/drivers/ata/pata_pcmcia.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/pata_pcmcia.c 2011-05-22 19:36:31.000000000 -0400 -@@ -151,14 +151,14 @@ static struct scsi_host_template pcmcia_ - ATA_PIO_SHT(DRV_NAME), - }; - --static struct ata_port_operations pcmcia_port_ops = { -+static const struct ata_port_operations pcmcia_port_ops = { - .inherits = &ata_sff_port_ops, - .sff_data_xfer = ata_sff_data_xfer_noirq, - .cable_detect = ata_cable_40wire, - .set_mode = pcmcia_set_mode, - }; - --static struct ata_port_operations pcmcia_8bit_port_ops = { -+static const struct ata_port_operations pcmcia_8bit_port_ops = { - .inherits = &ata_sff_port_ops, - .sff_data_xfer = ata_data_xfer_8bit, - .cable_detect = ata_cable_40wire, -@@ -205,7 +205,7 @@ static int pcmcia_init_one(struct pcmcia - unsigned long io_base, ctl_base; - void __iomem *io_addr, *ctl_addr; - int n_ports = 1; -- struct ata_port_operations *ops = &pcmcia_port_ops; -+ const struct ata_port_operations *ops = &pcmcia_port_ops; - - /* Set up attributes in order to probe card and get resources */ - pdev->config_flags |= CONF_ENABLE_IRQ | CONF_AUTO_SET_IO | -diff -urNp linux-2.6.39.3/drivers/ata/pata_pdc2027x.c linux-2.6.39.3/drivers/ata/pata_pdc2027x.c ---- linux-2.6.39.3/drivers/ata/pata_pdc2027x.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/pata_pdc2027x.c 2011-05-22 19:36:31.000000000 -0400 -@@ -132,14 +132,14 @@ static struct scsi_host_template pdc2027 - ATA_BMDMA_SHT(DRV_NAME), - }; - --static struct ata_port_operations pdc2027x_pata100_ops = { -+static const struct ata_port_operations pdc2027x_pata100_ops = { - .inherits = &ata_bmdma_port_ops, - .check_atapi_dma = pdc2027x_check_atapi_dma, - .cable_detect = pdc2027x_cable_detect, - .prereset = pdc2027x_prereset, - }; - --static struct ata_port_operations pdc2027x_pata133_ops = { -+static const struct ata_port_operations pdc2027x_pata133_ops = { - .inherits = &pdc2027x_pata100_ops, - .mode_filter = pdc2027x_mode_filter, - .set_piomode = pdc2027x_set_piomode, -diff -urNp linux-2.6.39.3/drivers/ata/pata_pdc202xx_old.c linux-2.6.39.3/drivers/ata/pata_pdc202xx_old.c ---- linux-2.6.39.3/drivers/ata/pata_pdc202xx_old.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/pata_pdc202xx_old.c 2011-05-22 19:36:31.000000000 -0400 -@@ -295,7 +295,7 @@ static struct scsi_host_template pdc202x - ATA_BMDMA_SHT(DRV_NAME), - }; - --static struct ata_port_operations pdc2024x_port_ops = { -+static const struct ata_port_operations pdc2024x_port_ops = { - .inherits = &ata_bmdma_port_ops, - - .cable_detect = ata_cable_40wire, -@@ -306,7 +306,7 @@ static struct ata_port_operations pdc202 - .sff_irq_check = pdc202xx_irq_check, - }; - --static struct ata_port_operations pdc2026x_port_ops = { -+static const struct ata_port_operations pdc2026x_port_ops = { - .inherits = &pdc2024x_port_ops, - - .check_atapi_dma = pdc2026x_check_atapi_dma, -diff -urNp linux-2.6.39.3/drivers/ata/pata_piccolo.c linux-2.6.39.3/drivers/ata/pata_piccolo.c ---- linux-2.6.39.3/drivers/ata/pata_piccolo.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/pata_piccolo.c 2011-05-22 19:36:31.000000000 -0400 -@@ -67,7 +67,7 @@ static struct scsi_host_template tosh_sh - ATA_BMDMA_SHT(DRV_NAME), - }; - --static struct ata_port_operations tosh_port_ops = { -+static const struct ata_port_operations tosh_port_ops = { - .inherits = &ata_bmdma_port_ops, - .cable_detect = ata_cable_unknown, - .set_piomode = tosh_set_piomode, -diff -urNp linux-2.6.39.3/drivers/ata/pata_platform.c linux-2.6.39.3/drivers/ata/pata_platform.c ---- linux-2.6.39.3/drivers/ata/pata_platform.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/pata_platform.c 2011-05-22 19:36:31.000000000 -0400 -@@ -48,7 +48,7 @@ static struct scsi_host_template pata_pl - ATA_PIO_SHT(DRV_NAME), - }; - --static struct ata_port_operations pata_platform_port_ops = { -+static const struct ata_port_operations pata_platform_port_ops = { - .inherits = &ata_sff_port_ops, - .sff_data_xfer = ata_sff_data_xfer_noirq, - .cable_detect = ata_cable_unknown, -diff -urNp linux-2.6.39.3/drivers/ata/pata_pxa.c linux-2.6.39.3/drivers/ata/pata_pxa.c ---- linux-2.6.39.3/drivers/ata/pata_pxa.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/pata_pxa.c 2011-05-22 19:36:31.000000000 -0400 -@@ -198,7 +198,7 @@ static struct scsi_host_template pxa_ata - ATA_BMDMA_SHT(DRV_NAME), - }; - --static struct ata_port_operations pxa_ata_port_ops = { -+static const struct ata_port_operations pxa_ata_port_ops = { - .inherits = &ata_bmdma_port_ops, - .cable_detect = ata_cable_40wire, - -diff -urNp linux-2.6.39.3/drivers/ata/pata_qdi.c linux-2.6.39.3/drivers/ata/pata_qdi.c ---- linux-2.6.39.3/drivers/ata/pata_qdi.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/pata_qdi.c 2011-05-22 19:36:31.000000000 -0400 -@@ -157,7 +157,7 @@ static struct scsi_host_template qdi_sht - ATA_PIO_SHT(DRV_NAME), - }; - --static struct ata_port_operations qdi6500_port_ops = { -+static const struct ata_port_operations qdi6500_port_ops = { - .inherits = &ata_sff_port_ops, - .qc_issue = qdi_qc_issue, - .sff_data_xfer = qdi_data_xfer, -@@ -165,7 +165,7 @@ static struct ata_port_operations qdi650 - .set_piomode = qdi6500_set_piomode, - }; - --static struct ata_port_operations qdi6580_port_ops = { -+static const struct ata_port_operations qdi6580_port_ops = { - .inherits = &qdi6500_port_ops, - .set_piomode = qdi6580_set_piomode, - }; -diff -urNp linux-2.6.39.3/drivers/ata/pata_radisys.c linux-2.6.39.3/drivers/ata/pata_radisys.c ---- linux-2.6.39.3/drivers/ata/pata_radisys.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/pata_radisys.c 2011-05-22 19:36:31.000000000 -0400 -@@ -187,7 +187,7 @@ static struct scsi_host_template radisys - ATA_BMDMA_SHT(DRV_NAME), - }; - --static struct ata_port_operations radisys_pata_ops = { -+static const struct ata_port_operations radisys_pata_ops = { - .inherits = &ata_bmdma_port_ops, - .qc_issue = radisys_qc_issue, - .cable_detect = ata_cable_unknown, -diff -urNp linux-2.6.39.3/drivers/ata/pata_rb532_cf.c linux-2.6.39.3/drivers/ata/pata_rb532_cf.c ---- linux-2.6.39.3/drivers/ata/pata_rb532_cf.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/pata_rb532_cf.c 2011-05-22 19:36:31.000000000 -0400 -@@ -69,7 +69,7 @@ static irqreturn_t rb532_pata_irq_handle - return IRQ_HANDLED; - } - --static struct ata_port_operations rb532_pata_port_ops = { -+static const struct ata_port_operations rb532_pata_port_ops = { - .inherits = &ata_sff_port_ops, - .sff_data_xfer = ata_sff_data_xfer32, - }; -diff -urNp linux-2.6.39.3/drivers/ata/pata_rdc.c linux-2.6.39.3/drivers/ata/pata_rdc.c ---- linux-2.6.39.3/drivers/ata/pata_rdc.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/pata_rdc.c 2011-05-22 19:36:31.000000000 -0400 -@@ -273,7 +273,7 @@ static void rdc_set_dmamode(struct ata_p - pci_write_config_byte(dev, 0x48, udma_enable); - } - --static struct ata_port_operations rdc_pata_ops = { -+static const struct ata_port_operations rdc_pata_ops = { - .inherits = &ata_bmdma32_port_ops, - .cable_detect = rdc_pata_cable_detect, - .set_piomode = rdc_set_piomode, -diff -urNp linux-2.6.39.3/drivers/ata/pata_rz1000.c linux-2.6.39.3/drivers/ata/pata_rz1000.c ---- linux-2.6.39.3/drivers/ata/pata_rz1000.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/pata_rz1000.c 2011-05-22 19:36:31.000000000 -0400 -@@ -54,7 +54,7 @@ static struct scsi_host_template rz1000_ - ATA_PIO_SHT(DRV_NAME), - }; - --static struct ata_port_operations rz1000_port_ops = { -+static const struct ata_port_operations rz1000_port_ops = { - .inherits = &ata_sff_port_ops, - .cable_detect = ata_cable_40wire, - .set_mode = rz1000_set_mode, -diff -urNp linux-2.6.39.3/drivers/ata/pata_samsung_cf.c linux-2.6.39.3/drivers/ata/pata_samsung_cf.c ---- linux-2.6.39.3/drivers/ata/pata_samsung_cf.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/pata_samsung_cf.c 2011-05-22 19:36:31.000000000 -0400 -@@ -399,7 +399,7 @@ static struct scsi_host_template pata_s3 - ATA_PIO_SHT(DRV_NAME), - }; - --static struct ata_port_operations pata_s3c_port_ops = { -+static const struct ata_port_operations pata_s3c_port_ops = { - .inherits = &ata_sff_port_ops, - .sff_check_status = pata_s3c_check_status, - .sff_check_altstatus = pata_s3c_check_altstatus, -@@ -413,7 +413,7 @@ static struct ata_port_operations pata_s - .set_piomode = pata_s3c_set_piomode, - }; - --static struct ata_port_operations pata_s5p_port_ops = { -+static const struct ata_port_operations pata_s5p_port_ops = { - .inherits = &ata_sff_port_ops, - .set_piomode = pata_s3c_set_piomode, - }; -diff -urNp linux-2.6.39.3/drivers/ata/pata_sc1200.c linux-2.6.39.3/drivers/ata/pata_sc1200.c ---- linux-2.6.39.3/drivers/ata/pata_sc1200.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/pata_sc1200.c 2011-05-22 19:36:31.000000000 -0400 -@@ -207,7 +207,7 @@ static struct scsi_host_template sc1200_ - .sg_tablesize = LIBATA_DUMB_MAX_PRD, - }; - --static struct ata_port_operations sc1200_port_ops = { -+static const struct ata_port_operations sc1200_port_ops = { - .inherits = &ata_bmdma_port_ops, - .qc_prep = ata_bmdma_dumb_qc_prep, - .qc_issue = sc1200_qc_issue, -diff -urNp linux-2.6.39.3/drivers/ata/pata_scc.c linux-2.6.39.3/drivers/ata/pata_scc.c ---- linux-2.6.39.3/drivers/ata/pata_scc.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/pata_scc.c 2011-05-22 19:36:31.000000000 -0400 -@@ -926,7 +926,7 @@ static struct scsi_host_template scc_sht - ATA_BMDMA_SHT(DRV_NAME), - }; - --static struct ata_port_operations scc_pata_ops = { -+static const struct ata_port_operations scc_pata_ops = { - .inherits = &ata_bmdma_port_ops, - - .set_piomode = scc_set_piomode, -diff -urNp linux-2.6.39.3/drivers/ata/pata_sch.c linux-2.6.39.3/drivers/ata/pata_sch.c ---- linux-2.6.39.3/drivers/ata/pata_sch.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/pata_sch.c 2011-05-22 19:36:31.000000000 -0400 -@@ -75,7 +75,7 @@ static struct scsi_host_template sch_sht - ATA_BMDMA_SHT(DRV_NAME), - }; - --static struct ata_port_operations sch_pata_ops = { -+static const struct ata_port_operations sch_pata_ops = { - .inherits = &ata_bmdma_port_ops, - .cable_detect = ata_cable_unknown, - .set_piomode = sch_set_piomode, -diff -urNp linux-2.6.39.3/drivers/ata/pata_serverworks.c linux-2.6.39.3/drivers/ata/pata_serverworks.c ---- linux-2.6.39.3/drivers/ata/pata_serverworks.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/pata_serverworks.c 2011-05-22 19:36:31.000000000 -0400 -@@ -300,7 +300,7 @@ static struct scsi_host_template serverw - ATA_BMDMA_SHT(DRV_NAME), - }; - --static struct ata_port_operations serverworks_osb4_port_ops = { -+static const struct ata_port_operations serverworks_osb4_port_ops = { - .inherits = &ata_bmdma_port_ops, - .cable_detect = serverworks_cable_detect, - .mode_filter = serverworks_osb4_filter, -@@ -308,7 +308,7 @@ static struct ata_port_operations server - .set_dmamode = serverworks_set_dmamode, - }; - --static struct ata_port_operations serverworks_csb_port_ops = { -+static const struct ata_port_operations serverworks_csb_port_ops = { - .inherits = &serverworks_osb4_port_ops, - .mode_filter = serverworks_csb_filter, - }; -diff -urNp linux-2.6.39.3/drivers/ata/pata_sil680.c linux-2.6.39.3/drivers/ata/pata_sil680.c ---- linux-2.6.39.3/drivers/ata/pata_sil680.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/pata_sil680.c 2011-05-22 19:36:31.000000000 -0400 -@@ -225,8 +225,7 @@ static struct scsi_host_template sil680_ - ATA_BMDMA_SHT(DRV_NAME), - }; - -- --static struct ata_port_operations sil680_port_ops = { -+static const struct ata_port_operations sil680_port_ops = { - .inherits = &ata_bmdma32_port_ops, - .sff_exec_command = sil680_sff_exec_command, - .sff_irq_check = sil680_sff_irq_check, -diff -urNp linux-2.6.39.3/drivers/ata/pata_sis.c linux-2.6.39.3/drivers/ata/pata_sis.c ---- linux-2.6.39.3/drivers/ata/pata_sis.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/pata_sis.c 2011-05-22 19:36:31.000000000 -0400 -@@ -503,47 +503,47 @@ static struct scsi_host_template sis_sht - ATA_BMDMA_SHT(DRV_NAME), - }; - --static struct ata_port_operations sis_133_for_sata_ops = { -+static const struct ata_port_operations sis_133_for_sata_ops = { - .inherits = &ata_bmdma_port_ops, - .set_piomode = sis_133_set_piomode, - .set_dmamode = sis_133_set_dmamode, - .cable_detect = sis_133_cable_detect, - }; - --static struct ata_port_operations sis_base_ops = { -+static const struct ata_port_operations sis_base_ops = { - .inherits = &ata_bmdma_port_ops, - .prereset = sis_pre_reset, - }; - --static struct ata_port_operations sis_133_ops = { -+static const struct ata_port_operations sis_133_ops = { - .inherits = &sis_base_ops, - .set_piomode = sis_133_set_piomode, - .set_dmamode = sis_133_set_dmamode, - .cable_detect = sis_133_cable_detect, - }; - --static struct ata_port_operations sis_133_early_ops = { -+static const struct ata_port_operations sis_133_early_ops = { - .inherits = &sis_base_ops, - .set_piomode = sis_100_set_piomode, - .set_dmamode = sis_133_early_set_dmamode, - .cable_detect = sis_66_cable_detect, - }; - --static struct ata_port_operations sis_100_ops = { -+static const struct ata_port_operations sis_100_ops = { - .inherits = &sis_base_ops, - .set_piomode = sis_100_set_piomode, - .set_dmamode = sis_100_set_dmamode, - .cable_detect = sis_66_cable_detect, - }; - --static struct ata_port_operations sis_66_ops = { -+static const struct ata_port_operations sis_66_ops = { - .inherits = &sis_base_ops, - .set_piomode = sis_old_set_piomode, - .set_dmamode = sis_66_set_dmamode, - .cable_detect = sis_66_cable_detect, - }; - --static struct ata_port_operations sis_old_ops = { -+static const struct ata_port_operations sis_old_ops = { - .inherits = &sis_base_ops, - .set_piomode = sis_old_set_piomode, - .set_dmamode = sis_old_set_dmamode, -diff -urNp linux-2.6.39.3/drivers/ata/pata_sl82c105.c linux-2.6.39.3/drivers/ata/pata_sl82c105.c ---- linux-2.6.39.3/drivers/ata/pata_sl82c105.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/pata_sl82c105.c 2011-05-22 19:36:31.000000000 -0400 -@@ -241,7 +241,7 @@ static struct scsi_host_template sl82c10 - ATA_BMDMA_SHT(DRV_NAME), - }; - --static struct ata_port_operations sl82c105_port_ops = { -+static const struct ata_port_operations sl82c105_port_ops = { - .inherits = &ata_bmdma_port_ops, - .qc_defer = sl82c105_qc_defer, - .bmdma_start = sl82c105_bmdma_start, -diff -urNp linux-2.6.39.3/drivers/ata/pata_triflex.c linux-2.6.39.3/drivers/ata/pata_triflex.c ---- linux-2.6.39.3/drivers/ata/pata_triflex.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/pata_triflex.c 2011-05-22 19:36:31.000000000 -0400 -@@ -178,7 +178,7 @@ static struct scsi_host_template triflex - ATA_BMDMA_SHT(DRV_NAME), - }; - --static struct ata_port_operations triflex_port_ops = { -+static const struct ata_port_operations triflex_port_ops = { - .inherits = &ata_bmdma_port_ops, - .bmdma_start = triflex_bmdma_start, - .bmdma_stop = triflex_bmdma_stop, -diff -urNp linux-2.6.39.3/drivers/ata/pata_via.c linux-2.6.39.3/drivers/ata/pata_via.c ---- linux-2.6.39.3/drivers/ata/pata_via.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/pata_via.c 2011-05-22 19:36:31.000000000 -0400 -@@ -441,7 +441,7 @@ static struct scsi_host_template via_sht - ATA_BMDMA_SHT(DRV_NAME), - }; - --static struct ata_port_operations via_port_ops = { -+static const struct ata_port_operations via_port_ops = { - .inherits = &ata_bmdma_port_ops, - .cable_detect = via_cable_detect, - .set_piomode = via_set_piomode, -@@ -452,7 +452,7 @@ static struct ata_port_operations via_po - .mode_filter = via_mode_filter, - }; - --static struct ata_port_operations via_port_ops_noirq = { -+static const struct ata_port_operations via_port_ops_noirq = { - .inherits = &via_port_ops, - .sff_data_xfer = ata_sff_data_xfer_noirq, - }; -diff -urNp linux-2.6.39.3/drivers/ata/pdc_adma.c linux-2.6.39.3/drivers/ata/pdc_adma.c ---- linux-2.6.39.3/drivers/ata/pdc_adma.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/pdc_adma.c 2011-05-22 19:36:31.000000000 -0400 -@@ -146,7 +146,7 @@ static struct scsi_host_template adma_at - .dma_boundary = ADMA_DMA_BOUNDARY, - }; - --static struct ata_port_operations adma_ata_ops = { -+static const struct ata_port_operations adma_ata_ops = { - .inherits = &ata_sff_port_ops, - - .lost_interrupt = ATA_OP_NULL, -diff -urNp linux-2.6.39.3/drivers/ata/sata_dwc_460ex.c linux-2.6.39.3/drivers/ata/sata_dwc_460ex.c ---- linux-2.6.39.3/drivers/ata/sata_dwc_460ex.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/sata_dwc_460ex.c 2011-05-22 19:36:31.000000000 -0400 -@@ -1598,7 +1598,7 @@ static struct scsi_host_template sata_dw - .dma_boundary = ATA_DMA_BOUNDARY, - }; - --static struct ata_port_operations sata_dwc_ops = { -+static const struct ata_port_operations sata_dwc_ops = { - .inherits = &ata_sff_port_ops, - - .error_handler = sata_dwc_error_handler, -diff -urNp linux-2.6.39.3/drivers/ata/sata_fsl.c linux-2.6.39.3/drivers/ata/sata_fsl.c ---- linux-2.6.39.3/drivers/ata/sata_fsl.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/sata_fsl.c 2011-05-22 19:36:31.000000000 -0400 -@@ -1268,7 +1268,7 @@ static struct scsi_host_template sata_fs - .dma_boundary = ATA_DMA_BOUNDARY, - }; - --static struct ata_port_operations sata_fsl_ops = { -+static const struct ata_port_operations sata_fsl_ops = { - .inherits = &sata_pmp_port_ops, - - .qc_defer = ata_std_qc_defer, -diff -urNp linux-2.6.39.3/drivers/ata/sata_inic162x.c linux-2.6.39.3/drivers/ata/sata_inic162x.c ---- linux-2.6.39.3/drivers/ata/sata_inic162x.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/sata_inic162x.c 2011-05-22 19:36:31.000000000 -0400 -@@ -705,7 +705,7 @@ static int inic_port_start(struct ata_po - return 0; - } - --static struct ata_port_operations inic_port_ops = { -+static const struct ata_port_operations inic_port_ops = { - .inherits = &sata_port_ops, - - .check_atapi_dma = inic_check_atapi_dma, -diff -urNp linux-2.6.39.3/drivers/ata/sata_mv.c linux-2.6.39.3/drivers/ata/sata_mv.c ---- linux-2.6.39.3/drivers/ata/sata_mv.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/sata_mv.c 2011-05-22 19:36:31.000000000 -0400 -@@ -662,7 +662,7 @@ static struct scsi_host_template mv6_sht - .dma_boundary = MV_DMA_BOUNDARY, - }; - --static struct ata_port_operations mv5_ops = { -+static const struct ata_port_operations mv5_ops = { - .inherits = &ata_sff_port_ops, - - .lost_interrupt = ATA_OP_NULL, -@@ -682,7 +682,7 @@ static struct ata_port_operations mv5_op - .port_stop = mv_port_stop, - }; - --static struct ata_port_operations mv6_ops = { -+static const struct ata_port_operations mv6_ops = { - .inherits = &ata_bmdma_port_ops, - - .lost_interrupt = ATA_OP_NULL, -@@ -716,7 +716,7 @@ static struct ata_port_operations mv6_op - .port_stop = mv_port_stop, - }; - --static struct ata_port_operations mv_iie_ops = { -+static const struct ata_port_operations mv_iie_ops = { - .inherits = &mv6_ops, - .dev_config = ATA_OP_NULL, - .qc_prep = mv_qc_prep_iie, -diff -urNp linux-2.6.39.3/drivers/ata/sata_nv.c linux-2.6.39.3/drivers/ata/sata_nv.c ---- linux-2.6.39.3/drivers/ata/sata_nv.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/sata_nv.c 2011-05-22 19:36:31.000000000 -0400 -@@ -465,7 +465,7 @@ static struct scsi_host_template nv_swnc - * cases. Define nv_hardreset() which only kicks in for post-boot - * probing and use it for all variants. - */ --static struct ata_port_operations nv_generic_ops = { -+static const struct ata_port_operations nv_generic_ops = { - .inherits = &ata_bmdma_port_ops, - .lost_interrupt = ATA_OP_NULL, - .scr_read = nv_scr_read, -@@ -473,20 +473,20 @@ static struct ata_port_operations nv_gen - .hardreset = nv_hardreset, - }; - --static struct ata_port_operations nv_nf2_ops = { -+static const struct ata_port_operations nv_nf2_ops = { - .inherits = &nv_generic_ops, - .freeze = nv_nf2_freeze, - .thaw = nv_nf2_thaw, - }; - --static struct ata_port_operations nv_ck804_ops = { -+static const struct ata_port_operations nv_ck804_ops = { - .inherits = &nv_generic_ops, - .freeze = nv_ck804_freeze, - .thaw = nv_ck804_thaw, - .host_stop = nv_ck804_host_stop, - }; - --static struct ata_port_operations nv_adma_ops = { -+static const struct ata_port_operations nv_adma_ops = { - .inherits = &nv_ck804_ops, - - .check_atapi_dma = nv_adma_check_atapi_dma, -@@ -510,7 +510,7 @@ static struct ata_port_operations nv_adm - .host_stop = nv_adma_host_stop, - }; - --static struct ata_port_operations nv_swncq_ops = { -+static const struct ata_port_operations nv_swncq_ops = { - .inherits = &nv_generic_ops, - - .qc_defer = ata_std_qc_defer, -diff -urNp linux-2.6.39.3/drivers/ata/sata_promise.c linux-2.6.39.3/drivers/ata/sata_promise.c ---- linux-2.6.39.3/drivers/ata/sata_promise.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/sata_promise.c 2011-05-22 19:36:31.000000000 -0400 -@@ -194,7 +194,7 @@ static const struct ata_port_operations - .error_handler = pdc_error_handler, - }; - --static struct ata_port_operations pdc_sata_ops = { -+static const struct ata_port_operations pdc_sata_ops = { - .inherits = &pdc_common_ops, - .cable_detect = pdc_sata_cable_detect, - .freeze = pdc_sata_freeze, -@@ -207,14 +207,14 @@ static struct ata_port_operations pdc_sa - - /* First-generation chips need a more restrictive ->check_atapi_dma op, - and ->freeze/thaw that ignore the hotplug controls. */ --static struct ata_port_operations pdc_old_sata_ops = { -+static const struct ata_port_operations pdc_old_sata_ops = { - .inherits = &pdc_sata_ops, - .freeze = pdc_freeze, - .thaw = pdc_thaw, - .check_atapi_dma = pdc_old_sata_check_atapi_dma, - }; - --static struct ata_port_operations pdc_pata_ops = { -+static const struct ata_port_operations pdc_pata_ops = { - .inherits = &pdc_common_ops, - .cable_detect = pdc_pata_cable_detect, - .freeze = pdc_freeze, -diff -urNp linux-2.6.39.3/drivers/ata/sata_qstor.c linux-2.6.39.3/drivers/ata/sata_qstor.c ---- linux-2.6.39.3/drivers/ata/sata_qstor.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/sata_qstor.c 2011-05-22 19:36:31.000000000 -0400 -@@ -131,7 +131,7 @@ static struct scsi_host_template qs_ata_ - .dma_boundary = QS_DMA_BOUNDARY, - }; - --static struct ata_port_operations qs_ata_ops = { -+static const struct ata_port_operations qs_ata_ops = { - .inherits = &ata_sff_port_ops, - - .check_atapi_dma = qs_check_atapi_dma, -diff -urNp linux-2.6.39.3/drivers/ata/sata_sil24.c linux-2.6.39.3/drivers/ata/sata_sil24.c ---- linux-2.6.39.3/drivers/ata/sata_sil24.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/sata_sil24.c 2011-05-22 19:36:31.000000000 -0400 -@@ -388,7 +388,7 @@ static struct scsi_host_template sil24_s - .dma_boundary = ATA_DMA_BOUNDARY, - }; - --static struct ata_port_operations sil24_ops = { -+static const struct ata_port_operations sil24_ops = { - .inherits = &sata_pmp_port_ops, - - .qc_defer = sil24_qc_defer, -diff -urNp linux-2.6.39.3/drivers/ata/sata_sil.c linux-2.6.39.3/drivers/ata/sata_sil.c ---- linux-2.6.39.3/drivers/ata/sata_sil.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/sata_sil.c 2011-05-22 19:36:31.000000000 -0400 -@@ -181,7 +181,7 @@ static struct scsi_host_template sil_sht - .sg_tablesize = ATA_MAX_PRD - }; - --static struct ata_port_operations sil_ops = { -+static const struct ata_port_operations sil_ops = { - .inherits = &ata_bmdma32_port_ops, - .dev_config = sil_dev_config, - .set_mode = sil_set_mode, -diff -urNp linux-2.6.39.3/drivers/ata/sata_sis.c linux-2.6.39.3/drivers/ata/sata_sis.c ---- linux-2.6.39.3/drivers/ata/sata_sis.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/sata_sis.c 2011-05-22 19:36:31.000000000 -0400 -@@ -89,7 +89,7 @@ static struct scsi_host_template sis_sht - ATA_BMDMA_SHT(DRV_NAME), - }; - --static struct ata_port_operations sis_ops = { -+static const struct ata_port_operations sis_ops = { - .inherits = &ata_bmdma_port_ops, - .scr_read = sis_scr_read, - .scr_write = sis_scr_write, -diff -urNp linux-2.6.39.3/drivers/ata/sata_svw.c linux-2.6.39.3/drivers/ata/sata_svw.c ---- linux-2.6.39.3/drivers/ata/sata_svw.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/sata_svw.c 2011-05-22 19:36:31.000000000 -0400 -@@ -344,7 +344,7 @@ static struct scsi_host_template k2_sata - }; - - --static struct ata_port_operations k2_sata_ops = { -+static const struct ata_port_operations k2_sata_ops = { - .inherits = &ata_bmdma_port_ops, - .sff_tf_load = k2_sata_tf_load, - .sff_tf_read = k2_sata_tf_read, -diff -urNp linux-2.6.39.3/drivers/ata/sata_sx4.c linux-2.6.39.3/drivers/ata/sata_sx4.c ---- linux-2.6.39.3/drivers/ata/sata_sx4.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/sata_sx4.c 2011-05-22 19:36:31.000000000 -0400 -@@ -249,7 +249,7 @@ static struct scsi_host_template pdc_sat - }; - - /* TODO: inherit from base port_ops after converting to new EH */ --static struct ata_port_operations pdc_20621_ops = { -+static const struct ata_port_operations pdc_20621_ops = { - .inherits = &ata_sff_port_ops, - - .check_atapi_dma = pdc_check_atapi_dma, -diff -urNp linux-2.6.39.3/drivers/ata/sata_uli.c linux-2.6.39.3/drivers/ata/sata_uli.c ---- linux-2.6.39.3/drivers/ata/sata_uli.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/sata_uli.c 2011-05-22 19:36:31.000000000 -0400 -@@ -80,7 +80,7 @@ static struct scsi_host_template uli_sht - ATA_BMDMA_SHT(DRV_NAME), - }; - --static struct ata_port_operations uli_ops = { -+static const struct ata_port_operations uli_ops = { - .inherits = &ata_bmdma_port_ops, - .scr_read = uli_scr_read, - .scr_write = uli_scr_write, -diff -urNp linux-2.6.39.3/drivers/ata/sata_via.c linux-2.6.39.3/drivers/ata/sata_via.c ---- linux-2.6.39.3/drivers/ata/sata_via.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/sata_via.c 2011-05-22 19:36:31.000000000 -0400 -@@ -115,32 +115,32 @@ static struct scsi_host_template svia_sh - ATA_BMDMA_SHT(DRV_NAME), - }; - --static struct ata_port_operations svia_base_ops = { -+static const struct ata_port_operations svia_base_ops = { - .inherits = &ata_bmdma_port_ops, - .sff_tf_load = svia_tf_load, - }; - --static struct ata_port_operations vt6420_sata_ops = { -+static const struct ata_port_operations vt6420_sata_ops = { - .inherits = &svia_base_ops, - .freeze = svia_noop_freeze, - .prereset = vt6420_prereset, - .bmdma_start = vt6420_bmdma_start, - }; - --static struct ata_port_operations vt6421_pata_ops = { -+static const struct ata_port_operations vt6421_pata_ops = { - .inherits = &svia_base_ops, - .cable_detect = vt6421_pata_cable_detect, - .set_piomode = vt6421_set_pio_mode, - .set_dmamode = vt6421_set_dma_mode, - }; - --static struct ata_port_operations vt6421_sata_ops = { -+static const struct ata_port_operations vt6421_sata_ops = { - .inherits = &svia_base_ops, - .scr_read = svia_scr_read, - .scr_write = svia_scr_write, - }; - --static struct ata_port_operations vt8251_ops = { -+static const struct ata_port_operations vt8251_ops = { - .inherits = &svia_base_ops, - .hardreset = sata_std_hardreset, - .scr_read = vt8251_scr_read, -diff -urNp linux-2.6.39.3/drivers/ata/sata_vsc.c linux-2.6.39.3/drivers/ata/sata_vsc.c ---- linux-2.6.39.3/drivers/ata/sata_vsc.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ata/sata_vsc.c 2011-05-22 19:36:31.000000000 -0400 -@@ -300,7 +300,7 @@ static struct scsi_host_template vsc_sat - }; - - --static struct ata_port_operations vsc_sata_ops = { -+static const struct ata_port_operations vsc_sata_ops = { - .inherits = &ata_bmdma_port_ops, - /* The IRQ handling is not quite standard SFF behaviour so we - cannot use the default lost interrupt handler */ -diff -urNp linux-2.6.39.3/drivers/atm/adummy.c linux-2.6.39.3/drivers/atm/adummy.c ---- linux-2.6.39.3/drivers/atm/adummy.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/atm/adummy.c 2011-05-22 19:36:31.000000000 -0400 -@@ -114,7 +114,7 @@ adummy_send(struct atm_vcc *vcc, struct - vcc->pop(vcc, skb); - else - dev_kfree_skb_any(skb); -- atomic_inc(&vcc->stats->tx); -+ atomic_inc_unchecked(&vcc->stats->tx); - - return 0; - } -diff -urNp linux-2.6.39.3/drivers/atm/ambassador.c linux-2.6.39.3/drivers/atm/ambassador.c ---- linux-2.6.39.3/drivers/atm/ambassador.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/atm/ambassador.c 2011-05-22 19:36:31.000000000 -0400 -@@ -454,7 +454,7 @@ static void tx_complete (amb_dev * dev, - PRINTD (DBG_FLOW|DBG_TX, "tx_complete %p %p", dev, tx); - - // VC layer stats -- atomic_inc(&ATM_SKB(skb)->vcc->stats->tx); -+ atomic_inc_unchecked(&ATM_SKB(skb)->vcc->stats->tx); - - // free the descriptor - kfree (tx_descr); -@@ -495,7 +495,7 @@ static void rx_complete (amb_dev * dev, - dump_skb ("<<<", vc, skb); - - // VC layer stats -- atomic_inc(&atm_vcc->stats->rx); -+ atomic_inc_unchecked(&atm_vcc->stats->rx); - __net_timestamp(skb); - // end of our responsibility - atm_vcc->push (atm_vcc, skb); -@@ -510,7 +510,7 @@ static void rx_complete (amb_dev * dev, - } else { - PRINTK (KERN_INFO, "dropped over-size frame"); - // should we count this? -- atomic_inc(&atm_vcc->stats->rx_drop); -+ atomic_inc_unchecked(&atm_vcc->stats->rx_drop); - } - - } else { -@@ -1342,7 +1342,7 @@ static int amb_send (struct atm_vcc * at - } - - if (check_area (skb->data, skb->len)) { -- atomic_inc(&atm_vcc->stats->tx_err); -+ atomic_inc_unchecked(&atm_vcc->stats->tx_err); - return -ENOMEM; // ? - } - -diff -urNp linux-2.6.39.3/drivers/atm/atmtcp.c linux-2.6.39.3/drivers/atm/atmtcp.c ---- linux-2.6.39.3/drivers/atm/atmtcp.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/atm/atmtcp.c 2011-05-22 19:36:31.000000000 -0400 -@@ -207,7 +207,7 @@ static int atmtcp_v_send(struct atm_vcc - if (vcc->pop) vcc->pop(vcc,skb); - else dev_kfree_skb(skb); - if (dev_data) return 0; -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - return -ENOLINK; - } - size = skb->len+sizeof(struct atmtcp_hdr); -@@ -215,7 +215,7 @@ static int atmtcp_v_send(struct atm_vcc - if (!new_skb) { - if (vcc->pop) vcc->pop(vcc,skb); - else dev_kfree_skb(skb); -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - return -ENOBUFS; - } - hdr = (void *) skb_put(new_skb,sizeof(struct atmtcp_hdr)); -@@ -226,8 +226,8 @@ static int atmtcp_v_send(struct atm_vcc - if (vcc->pop) vcc->pop(vcc,skb); - else dev_kfree_skb(skb); - out_vcc->push(out_vcc,new_skb); -- atomic_inc(&vcc->stats->tx); -- atomic_inc(&out_vcc->stats->rx); -+ atomic_inc_unchecked(&vcc->stats->tx); -+ atomic_inc_unchecked(&out_vcc->stats->rx); - return 0; - } - -@@ -301,7 +301,7 @@ static int atmtcp_c_send(struct atm_vcc - out_vcc = find_vcc(dev, ntohs(hdr->vpi), ntohs(hdr->vci)); - read_unlock(&vcc_sklist_lock); - if (!out_vcc) { -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - goto done; - } - skb_pull(skb,sizeof(struct atmtcp_hdr)); -@@ -313,8 +313,8 @@ static int atmtcp_c_send(struct atm_vcc - __net_timestamp(new_skb); - skb_copy_from_linear_data(skb, skb_put(new_skb, skb->len), skb->len); - out_vcc->push(out_vcc,new_skb); -- atomic_inc(&vcc->stats->tx); -- atomic_inc(&out_vcc->stats->rx); -+ atomic_inc_unchecked(&vcc->stats->tx); -+ atomic_inc_unchecked(&out_vcc->stats->rx); - done: - if (vcc->pop) vcc->pop(vcc,skb); - else dev_kfree_skb(skb); -diff -urNp linux-2.6.39.3/drivers/atm/eni.c linux-2.6.39.3/drivers/atm/eni.c ---- linux-2.6.39.3/drivers/atm/eni.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/atm/eni.c 2011-05-22 19:36:31.000000000 -0400 -@@ -526,7 +526,7 @@ static int rx_aal0(struct atm_vcc *vcc) - DPRINTK(DEV_LABEL "(itf %d): trashing empty cell\n", - vcc->dev->number); - length = 0; -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - } - else { - length = ATM_CELL_SIZE-1; /* no HEC */ -@@ -581,7 +581,7 @@ static int rx_aal5(struct atm_vcc *vcc) - size); - } - eff = length = 0; -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - } - else { - size = (descr & MID_RED_COUNT)*(ATM_CELL_PAYLOAD >> 2); -@@ -598,7 +598,7 @@ static int rx_aal5(struct atm_vcc *vcc) - "(VCI=%d,length=%ld,size=%ld (descr 0x%lx))\n", - vcc->dev->number,vcc->vci,length,size << 2,descr); - length = eff = 0; -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - } - } - skb = eff ? atm_alloc_charge(vcc,eff << 2,GFP_ATOMIC) : NULL; -@@ -771,7 +771,7 @@ rx_dequeued++; - vcc->push(vcc,skb); - pushed++; - } -- atomic_inc(&vcc->stats->rx); -+ atomic_inc_unchecked(&vcc->stats->rx); - } - wake_up(&eni_dev->rx_wait); - } -@@ -1228,7 +1228,7 @@ static void dequeue_tx(struct atm_dev *d - PCI_DMA_TODEVICE); - if (vcc->pop) vcc->pop(vcc,skb); - else dev_kfree_skb_irq(skb); -- atomic_inc(&vcc->stats->tx); -+ atomic_inc_unchecked(&vcc->stats->tx); - wake_up(&eni_dev->tx_wait); - dma_complete++; - } -diff -urNp linux-2.6.39.3/drivers/atm/firestream.c linux-2.6.39.3/drivers/atm/firestream.c ---- linux-2.6.39.3/drivers/atm/firestream.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/atm/firestream.c 2011-05-22 19:36:31.000000000 -0400 -@@ -749,7 +749,7 @@ static void process_txdone_queue (struct - } - } - -- atomic_inc(&ATM_SKB(skb)->vcc->stats->tx); -+ atomic_inc_unchecked(&ATM_SKB(skb)->vcc->stats->tx); - - fs_dprintk (FS_DEBUG_TXMEM, "i"); - fs_dprintk (FS_DEBUG_ALLOC, "Free t-skb: %p\n", skb); -@@ -816,7 +816,7 @@ static void process_incoming (struct fs_ - #endif - skb_put (skb, qe->p1 & 0xffff); - ATM_SKB(skb)->vcc = atm_vcc; -- atomic_inc(&atm_vcc->stats->rx); -+ atomic_inc_unchecked(&atm_vcc->stats->rx); - __net_timestamp(skb); - fs_dprintk (FS_DEBUG_ALLOC, "Free rec-skb: %p (pushed)\n", skb); - atm_vcc->push (atm_vcc, skb); -@@ -837,12 +837,12 @@ static void process_incoming (struct fs_ - kfree (pe); - } - if (atm_vcc) -- atomic_inc(&atm_vcc->stats->rx_drop); -+ atomic_inc_unchecked(&atm_vcc->stats->rx_drop); - break; - case 0x1f: /* Reassembly abort: no buffers. */ - /* Silently increment error counter. */ - if (atm_vcc) -- atomic_inc(&atm_vcc->stats->rx_drop); -+ atomic_inc_unchecked(&atm_vcc->stats->rx_drop); - break; - default: /* Hmm. Haven't written the code to handle the others yet... -- REW */ - printk (KERN_WARNING "Don't know what to do with RX status %x: %s.\n", -diff -urNp linux-2.6.39.3/drivers/atm/fore200e.c linux-2.6.39.3/drivers/atm/fore200e.c ---- linux-2.6.39.3/drivers/atm/fore200e.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/atm/fore200e.c 2011-05-22 19:36:31.000000000 -0400 -@@ -933,9 +933,9 @@ fore200e_tx_irq(struct fore200e* fore200 - #endif - /* check error condition */ - if (*entry->status & STATUS_ERROR) -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - else -- atomic_inc(&vcc->stats->tx); -+ atomic_inc_unchecked(&vcc->stats->tx); - } - } - -@@ -1084,7 +1084,7 @@ fore200e_push_rpd(struct fore200e* fore2 - if (skb == NULL) { - DPRINTK(2, "unable to alloc new skb, rx PDU length = %d\n", pdu_len); - -- atomic_inc(&vcc->stats->rx_drop); -+ atomic_inc_unchecked(&vcc->stats->rx_drop); - return -ENOMEM; - } - -@@ -1127,14 +1127,14 @@ fore200e_push_rpd(struct fore200e* fore2 - - dev_kfree_skb_any(skb); - -- atomic_inc(&vcc->stats->rx_drop); -+ atomic_inc_unchecked(&vcc->stats->rx_drop); - return -ENOMEM; - } - - ASSERT(atomic_read(&sk_atm(vcc)->sk_wmem_alloc) >= 0); - - vcc->push(vcc, skb); -- atomic_inc(&vcc->stats->rx); -+ atomic_inc_unchecked(&vcc->stats->rx); - - ASSERT(atomic_read(&sk_atm(vcc)->sk_wmem_alloc) >= 0); - -@@ -1212,7 +1212,7 @@ fore200e_rx_irq(struct fore200e* fore200 - DPRINTK(2, "damaged PDU on %d.%d.%d\n", - fore200e->atm_dev->number, - entry->rpd->atm_header.vpi, entry->rpd->atm_header.vci); -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - } - } - -@@ -1657,7 +1657,7 @@ fore200e_send(struct atm_vcc *vcc, struc - goto retry_here; - } - -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - - fore200e->tx_sat++; - DPRINTK(2, "tx queue of device %s is saturated, PDU dropped - heartbeat is %08x\n", -diff -urNp linux-2.6.39.3/drivers/atm/he.c linux-2.6.39.3/drivers/atm/he.c ---- linux-2.6.39.3/drivers/atm/he.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/atm/he.c 2011-05-22 19:36:31.000000000 -0400 -@@ -1709,7 +1709,7 @@ he_service_rbrq(struct he_dev *he_dev, i - - if (RBRQ_HBUF_ERR(he_dev->rbrq_head)) { - hprintk("HBUF_ERR! (cid 0x%x)\n", cid); -- atomic_inc(&vcc->stats->rx_drop); -+ atomic_inc_unchecked(&vcc->stats->rx_drop); - goto return_host_buffers; - } - -@@ -1736,7 +1736,7 @@ he_service_rbrq(struct he_dev *he_dev, i - RBRQ_LEN_ERR(he_dev->rbrq_head) - ? "LEN_ERR" : "", - vcc->vpi, vcc->vci); -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - goto return_host_buffers; - } - -@@ -1788,7 +1788,7 @@ he_service_rbrq(struct he_dev *he_dev, i - vcc->push(vcc, skb); - spin_lock(&he_dev->global_lock); - -- atomic_inc(&vcc->stats->rx); -+ atomic_inc_unchecked(&vcc->stats->rx); - - return_host_buffers: - ++pdus_assembled; -@@ -2114,7 +2114,7 @@ __enqueue_tpd(struct he_dev *he_dev, str - tpd->vcc->pop(tpd->vcc, tpd->skb); - else - dev_kfree_skb_any(tpd->skb); -- atomic_inc(&tpd->vcc->stats->tx_err); -+ atomic_inc_unchecked(&tpd->vcc->stats->tx_err); - } - pci_pool_free(he_dev->tpd_pool, tpd, TPD_ADDR(tpd->status)); - return; -@@ -2526,7 +2526,7 @@ he_send(struct atm_vcc *vcc, struct sk_b - vcc->pop(vcc, skb); - else - dev_kfree_skb_any(skb); -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - return -EINVAL; - } - -@@ -2537,7 +2537,7 @@ he_send(struct atm_vcc *vcc, struct sk_b - vcc->pop(vcc, skb); - else - dev_kfree_skb_any(skb); -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - return -EINVAL; - } - #endif -@@ -2549,7 +2549,7 @@ he_send(struct atm_vcc *vcc, struct sk_b - vcc->pop(vcc, skb); - else - dev_kfree_skb_any(skb); -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - spin_unlock_irqrestore(&he_dev->global_lock, flags); - return -ENOMEM; - } -@@ -2591,7 +2591,7 @@ he_send(struct atm_vcc *vcc, struct sk_b - vcc->pop(vcc, skb); - else - dev_kfree_skb_any(skb); -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - spin_unlock_irqrestore(&he_dev->global_lock, flags); - return -ENOMEM; - } -@@ -2622,7 +2622,7 @@ he_send(struct atm_vcc *vcc, struct sk_b - __enqueue_tpd(he_dev, tpd, cid); - spin_unlock_irqrestore(&he_dev->global_lock, flags); - -- atomic_inc(&vcc->stats->tx); -+ atomic_inc_unchecked(&vcc->stats->tx); - - return 0; - } -diff -urNp linux-2.6.39.3/drivers/atm/horizon.c linux-2.6.39.3/drivers/atm/horizon.c ---- linux-2.6.39.3/drivers/atm/horizon.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/atm/horizon.c 2011-05-22 19:36:31.000000000 -0400 -@@ -1034,7 +1034,7 @@ static void rx_schedule (hrz_dev * dev, - { - struct atm_vcc * vcc = ATM_SKB(skb)->vcc; - // VC layer stats -- atomic_inc(&vcc->stats->rx); -+ atomic_inc_unchecked(&vcc->stats->rx); - __net_timestamp(skb); - // end of our responsibility - vcc->push (vcc, skb); -@@ -1186,7 +1186,7 @@ static void tx_schedule (hrz_dev * const - dev->tx_iovec = NULL; - - // VC layer stats -- atomic_inc(&ATM_SKB(skb)->vcc->stats->tx); -+ atomic_inc_unchecked(&ATM_SKB(skb)->vcc->stats->tx); - - // free the skb - hrz_kfree_skb (skb); -diff -urNp linux-2.6.39.3/drivers/atm/idt77252.c linux-2.6.39.3/drivers/atm/idt77252.c ---- linux-2.6.39.3/drivers/atm/idt77252.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/atm/idt77252.c 2011-05-22 19:36:31.000000000 -0400 -@@ -811,7 +811,7 @@ drain_scq(struct idt77252_dev *card, str - else - dev_kfree_skb(skb); - -- atomic_inc(&vcc->stats->tx); -+ atomic_inc_unchecked(&vcc->stats->tx); - } - - atomic_dec(&scq->used); -@@ -1074,13 +1074,13 @@ dequeue_rx(struct idt77252_dev *card, st - if ((sb = dev_alloc_skb(64)) == NULL) { - printk("%s: Can't allocate buffers for aal0.\n", - card->name); -- atomic_add(i, &vcc->stats->rx_drop); -+ atomic_add_unchecked(i, &vcc->stats->rx_drop); - break; - } - if (!atm_charge(vcc, sb->truesize)) { - RXPRINTK("%s: atm_charge() dropped aal0 packets.\n", - card->name); -- atomic_add(i - 1, &vcc->stats->rx_drop); -+ atomic_add_unchecked(i - 1, &vcc->stats->rx_drop); - dev_kfree_skb(sb); - break; - } -@@ -1097,7 +1097,7 @@ dequeue_rx(struct idt77252_dev *card, st - ATM_SKB(sb)->vcc = vcc; - __net_timestamp(sb); - vcc->push(vcc, sb); -- atomic_inc(&vcc->stats->rx); -+ atomic_inc_unchecked(&vcc->stats->rx); - - cell += ATM_CELL_PAYLOAD; - } -@@ -1134,13 +1134,13 @@ dequeue_rx(struct idt77252_dev *card, st - "(CDC: %08x)\n", - card->name, len, rpp->len, readl(SAR_REG_CDC)); - recycle_rx_pool_skb(card, rpp); -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - return; - } - if (stat & SAR_RSQE_CRC) { - RXPRINTK("%s: AAL5 CRC error.\n", card->name); - recycle_rx_pool_skb(card, rpp); -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - return; - } - if (skb_queue_len(&rpp->queue) > 1) { -@@ -1151,7 +1151,7 @@ dequeue_rx(struct idt77252_dev *card, st - RXPRINTK("%s: Can't alloc RX skb.\n", - card->name); - recycle_rx_pool_skb(card, rpp); -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - return; - } - if (!atm_charge(vcc, skb->truesize)) { -@@ -1170,7 +1170,7 @@ dequeue_rx(struct idt77252_dev *card, st - __net_timestamp(skb); - - vcc->push(vcc, skb); -- atomic_inc(&vcc->stats->rx); -+ atomic_inc_unchecked(&vcc->stats->rx); - - return; - } -@@ -1192,7 +1192,7 @@ dequeue_rx(struct idt77252_dev *card, st - __net_timestamp(skb); - - vcc->push(vcc, skb); -- atomic_inc(&vcc->stats->rx); -+ atomic_inc_unchecked(&vcc->stats->rx); - - if (skb->truesize > SAR_FB_SIZE_3) - add_rx_skb(card, 3, SAR_FB_SIZE_3, 1); -@@ -1304,14 +1304,14 @@ idt77252_rx_raw(struct idt77252_dev *car - if (vcc->qos.aal != ATM_AAL0) { - RPRINTK("%s: raw cell for non AAL0 vc %u.%u\n", - card->name, vpi, vci); -- atomic_inc(&vcc->stats->rx_drop); -+ atomic_inc_unchecked(&vcc->stats->rx_drop); - goto drop; - } - - if ((sb = dev_alloc_skb(64)) == NULL) { - printk("%s: Can't allocate buffers for AAL0.\n", - card->name); -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - goto drop; - } - -@@ -1330,7 +1330,7 @@ idt77252_rx_raw(struct idt77252_dev *car - ATM_SKB(sb)->vcc = vcc; - __net_timestamp(sb); - vcc->push(vcc, sb); -- atomic_inc(&vcc->stats->rx); -+ atomic_inc_unchecked(&vcc->stats->rx); - - drop: - skb_pull(queue, 64); -@@ -1955,13 +1955,13 @@ idt77252_send_skb(struct atm_vcc *vcc, s - - if (vc == NULL) { - printk("%s: NULL connection in send().\n", card->name); -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - dev_kfree_skb(skb); - return -EINVAL; - } - if (!test_bit(VCF_TX, &vc->flags)) { - printk("%s: Trying to transmit on a non-tx VC.\n", card->name); -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - dev_kfree_skb(skb); - return -EINVAL; - } -@@ -1973,14 +1973,14 @@ idt77252_send_skb(struct atm_vcc *vcc, s - break; - default: - printk("%s: Unsupported AAL: %d\n", card->name, vcc->qos.aal); -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - dev_kfree_skb(skb); - return -EINVAL; - } - - if (skb_shinfo(skb)->nr_frags != 0) { - printk("%s: No scatter-gather yet.\n", card->name); -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - dev_kfree_skb(skb); - return -EINVAL; - } -@@ -1988,7 +1988,7 @@ idt77252_send_skb(struct atm_vcc *vcc, s - - err = queue_skb(card, vc, skb, oam); - if (err) { -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - dev_kfree_skb(skb); - return err; - } -@@ -2011,7 +2011,7 @@ idt77252_send_oam(struct atm_vcc *vcc, v - skb = dev_alloc_skb(64); - if (!skb) { - printk("%s: Out of memory in send_oam().\n", card->name); -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - return -ENOMEM; - } - atomic_add(skb->truesize, &sk_atm(vcc)->sk_wmem_alloc); -diff -urNp linux-2.6.39.3/drivers/atm/iphase.c linux-2.6.39.3/drivers/atm/iphase.c ---- linux-2.6.39.3/drivers/atm/iphase.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/atm/iphase.c 2011-05-22 19:36:31.000000000 -0400 -@@ -1124,7 +1124,7 @@ static int rx_pkt(struct atm_dev *dev) - status = (u_short) (buf_desc_ptr->desc_mode); - if (status & (RX_CER | RX_PTE | RX_OFL)) - { -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - IF_ERR(printk("IA: bad packet, dropping it");) - if (status & RX_CER) { - IF_ERR(printk(" cause: packet CRC error\n");) -@@ -1147,7 +1147,7 @@ static int rx_pkt(struct atm_dev *dev) - len = dma_addr - buf_addr; - if (len > iadev->rx_buf_sz) { - printk("Over %d bytes sdu received, dropped!!!\n", iadev->rx_buf_sz); -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - goto out_free_desc; - } - -@@ -1297,7 +1297,7 @@ static void rx_dle_intr(struct atm_dev * - ia_vcc = INPH_IA_VCC(vcc); - if (ia_vcc == NULL) - { -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - dev_kfree_skb_any(skb); - atm_return(vcc, atm_guess_pdu2truesize(len)); - goto INCR_DLE; -@@ -1309,7 +1309,7 @@ static void rx_dle_intr(struct atm_dev * - if ((length > iadev->rx_buf_sz) || (length > - (skb->len - sizeof(struct cpcs_trailer)))) - { -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - IF_ERR(printk("rx_dle_intr: Bad AAL5 trailer %d (skb len %d)", - length, skb->len);) - dev_kfree_skb_any(skb); -@@ -1325,7 +1325,7 @@ static void rx_dle_intr(struct atm_dev * - - IF_RX(printk("rx_dle_intr: skb push");) - vcc->push(vcc,skb); -- atomic_inc(&vcc->stats->rx); -+ atomic_inc_unchecked(&vcc->stats->rx); - iadev->rx_pkt_cnt++; - } - INCR_DLE: -@@ -2807,15 +2807,15 @@ static int ia_ioctl(struct atm_dev *dev, - { - struct k_sonet_stats *stats; - stats = &PRIV(_ia_dev[board])->sonet_stats; -- printk("section_bip: %d\n", atomic_read(&stats->section_bip)); -- printk("line_bip : %d\n", atomic_read(&stats->line_bip)); -- printk("path_bip : %d\n", atomic_read(&stats->path_bip)); -- printk("line_febe : %d\n", atomic_read(&stats->line_febe)); -- printk("path_febe : %d\n", atomic_read(&stats->path_febe)); -- printk("corr_hcs : %d\n", atomic_read(&stats->corr_hcs)); -- printk("uncorr_hcs : %d\n", atomic_read(&stats->uncorr_hcs)); -- printk("tx_cells : %d\n", atomic_read(&stats->tx_cells)); -- printk("rx_cells : %d\n", atomic_read(&stats->rx_cells)); -+ printk("section_bip: %d\n", atomic_read_unchecked(&stats->section_bip)); -+ printk("line_bip : %d\n", atomic_read_unchecked(&stats->line_bip)); -+ printk("path_bip : %d\n", atomic_read_unchecked(&stats->path_bip)); -+ printk("line_febe : %d\n", atomic_read_unchecked(&stats->line_febe)); -+ printk("path_febe : %d\n", atomic_read_unchecked(&stats->path_febe)); -+ printk("corr_hcs : %d\n", atomic_read_unchecked(&stats->corr_hcs)); -+ printk("uncorr_hcs : %d\n", atomic_read_unchecked(&stats->uncorr_hcs)); -+ printk("tx_cells : %d\n", atomic_read_unchecked(&stats->tx_cells)); -+ printk("rx_cells : %d\n", atomic_read_unchecked(&stats->rx_cells)); - } - ia_cmds.status = 0; - break; -@@ -2920,7 +2920,7 @@ static int ia_pkt_tx (struct atm_vcc *vc - if ((desc == 0) || (desc > iadev->num_tx_desc)) - { - IF_ERR(printk(DEV_LABEL "invalid desc for send: %d\n", desc);) -- atomic_inc(&vcc->stats->tx); -+ atomic_inc_unchecked(&vcc->stats->tx); - if (vcc->pop) - vcc->pop(vcc, skb); - else -@@ -3025,14 +3025,14 @@ static int ia_pkt_tx (struct atm_vcc *vc - ATM_DESC(skb) = vcc->vci; - skb_queue_tail(&iadev->tx_dma_q, skb); - -- atomic_inc(&vcc->stats->tx); -+ atomic_inc_unchecked(&vcc->stats->tx); - iadev->tx_pkt_cnt++; - /* Increment transaction counter */ - writel(2, iadev->dma+IPHASE5575_TX_COUNTER); - - #if 0 - /* add flow control logic */ -- if (atomic_read(&vcc->stats->tx) % 20 == 0) { -+ if (atomic_read_unchecked(&vcc->stats->tx) % 20 == 0) { - if (iavcc->vc_desc_cnt > 10) { - vcc->tx_quota = vcc->tx_quota * 3 / 4; - printk("Tx1: vcc->tx_quota = %d \n", (u32)vcc->tx_quota ); -diff -urNp linux-2.6.39.3/drivers/atm/lanai.c linux-2.6.39.3/drivers/atm/lanai.c ---- linux-2.6.39.3/drivers/atm/lanai.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/atm/lanai.c 2011-05-22 19:36:31.000000000 -0400 -@@ -1303,7 +1303,7 @@ static void lanai_send_one_aal5(struct l - vcc_tx_add_aal5_trailer(lvcc, skb->len, 0, 0); - lanai_endtx(lanai, lvcc); - lanai_free_skb(lvcc->tx.atmvcc, skb); -- atomic_inc(&lvcc->tx.atmvcc->stats->tx); -+ atomic_inc_unchecked(&lvcc->tx.atmvcc->stats->tx); - } - - /* Try to fill the buffer - don't call unless there is backlog */ -@@ -1426,7 +1426,7 @@ static void vcc_rx_aal5(struct lanai_vcc - ATM_SKB(skb)->vcc = lvcc->rx.atmvcc; - __net_timestamp(skb); - lvcc->rx.atmvcc->push(lvcc->rx.atmvcc, skb); -- atomic_inc(&lvcc->rx.atmvcc->stats->rx); -+ atomic_inc_unchecked(&lvcc->rx.atmvcc->stats->rx); - out: - lvcc->rx.buf.ptr = end; - cardvcc_write(lvcc, endptr, vcc_rxreadptr); -@@ -1668,7 +1668,7 @@ static int handle_service(struct lanai_d - DPRINTK("(itf %d) got RX service entry 0x%X for non-AAL5 " - "vcc %d\n", lanai->number, (unsigned int) s, vci); - lanai->stats.service_rxnotaal5++; -- atomic_inc(&lvcc->rx.atmvcc->stats->rx_err); -+ atomic_inc_unchecked(&lvcc->rx.atmvcc->stats->rx_err); - return 0; - } - if (likely(!(s & (SERVICE_TRASH | SERVICE_STREAM | SERVICE_CRCERR)))) { -@@ -1680,7 +1680,7 @@ static int handle_service(struct lanai_d - int bytes; - read_unlock(&vcc_sklist_lock); - DPRINTK("got trashed rx pdu on vci %d\n", vci); -- atomic_inc(&lvcc->rx.atmvcc->stats->rx_err); -+ atomic_inc_unchecked(&lvcc->rx.atmvcc->stats->rx_err); - lvcc->stats.x.aal5.service_trash++; - bytes = (SERVICE_GET_END(s) * 16) - - (((unsigned long) lvcc->rx.buf.ptr) - -@@ -1692,7 +1692,7 @@ static int handle_service(struct lanai_d - } - if (s & SERVICE_STREAM) { - read_unlock(&vcc_sklist_lock); -- atomic_inc(&lvcc->rx.atmvcc->stats->rx_err); -+ atomic_inc_unchecked(&lvcc->rx.atmvcc->stats->rx_err); - lvcc->stats.x.aal5.service_stream++; - printk(KERN_ERR DEV_LABEL "(itf %d): Got AAL5 stream " - "PDU on VCI %d!\n", lanai->number, vci); -@@ -1700,7 +1700,7 @@ static int handle_service(struct lanai_d - return 0; - } - DPRINTK("got rx crc error on vci %d\n", vci); -- atomic_inc(&lvcc->rx.atmvcc->stats->rx_err); -+ atomic_inc_unchecked(&lvcc->rx.atmvcc->stats->rx_err); - lvcc->stats.x.aal5.service_rxcrc++; - lvcc->rx.buf.ptr = &lvcc->rx.buf.start[SERVICE_GET_END(s) * 4]; - cardvcc_write(lvcc, SERVICE_GET_END(s), vcc_rxreadptr); -diff -urNp linux-2.6.39.3/drivers/atm/nicstar.c linux-2.6.39.3/drivers/atm/nicstar.c ---- linux-2.6.39.3/drivers/atm/nicstar.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/atm/nicstar.c 2011-05-22 19:36:31.000000000 -0400 -@@ -1654,7 +1654,7 @@ static int ns_send(struct atm_vcc *vcc, - if ((vc = (vc_map *) vcc->dev_data) == NULL) { - printk("nicstar%d: vcc->dev_data == NULL on ns_send().\n", - card->index); -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - dev_kfree_skb_any(skb); - return -EINVAL; - } -@@ -1662,7 +1662,7 @@ static int ns_send(struct atm_vcc *vcc, - if (!vc->tx) { - printk("nicstar%d: Trying to transmit on a non-tx VC.\n", - card->index); -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - dev_kfree_skb_any(skb); - return -EINVAL; - } -@@ -1670,14 +1670,14 @@ static int ns_send(struct atm_vcc *vcc, - if (vcc->qos.aal != ATM_AAL5 && vcc->qos.aal != ATM_AAL0) { - printk("nicstar%d: Only AAL0 and AAL5 are supported.\n", - card->index); -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - dev_kfree_skb_any(skb); - return -EINVAL; - } - - if (skb_shinfo(skb)->nr_frags != 0) { - printk("nicstar%d: No scatter-gather yet.\n", card->index); -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - dev_kfree_skb_any(skb); - return -EINVAL; - } -@@ -1725,11 +1725,11 @@ static int ns_send(struct atm_vcc *vcc, - } - - if (push_scqe(card, vc, scq, &scqe, skb) != 0) { -- atomic_inc(&vcc->stats->tx_err); -+ atomic_inc_unchecked(&vcc->stats->tx_err); - dev_kfree_skb_any(skb); - return -EIO; - } -- atomic_inc(&vcc->stats->tx); -+ atomic_inc_unchecked(&vcc->stats->tx); - - return 0; - } -@@ -2046,14 +2046,14 @@ static void dequeue_rx(ns_dev * card, ns - printk - ("nicstar%d: Can't allocate buffers for aal0.\n", - card->index); -- atomic_add(i, &vcc->stats->rx_drop); -+ atomic_add_unchecked(i, &vcc->stats->rx_drop); - break; - } - if (!atm_charge(vcc, sb->truesize)) { - RXPRINTK - ("nicstar%d: atm_charge() dropped aal0 packets.\n", - card->index); -- atomic_add(i - 1, &vcc->stats->rx_drop); /* already increased by 1 */ -+ atomic_add_unchecked(i - 1, &vcc->stats->rx_drop); /* already increased by 1 */ - dev_kfree_skb_any(sb); - break; - } -@@ -2068,7 +2068,7 @@ static void dequeue_rx(ns_dev * card, ns - ATM_SKB(sb)->vcc = vcc; - __net_timestamp(sb); - vcc->push(vcc, sb); -- atomic_inc(&vcc->stats->rx); -+ atomic_inc_unchecked(&vcc->stats->rx); - cell += ATM_CELL_PAYLOAD; - } - -@@ -2085,7 +2085,7 @@ static void dequeue_rx(ns_dev * card, ns - if (iovb == NULL) { - printk("nicstar%d: Out of iovec buffers.\n", - card->index); -- atomic_inc(&vcc->stats->rx_drop); -+ atomic_inc_unchecked(&vcc->stats->rx_drop); - recycle_rx_buf(card, skb); - return; - } -@@ -2109,7 +2109,7 @@ static void dequeue_rx(ns_dev * card, ns - small or large buffer itself. */ - } else if (NS_PRV_IOVCNT(iovb) >= NS_MAX_IOVECS) { - printk("nicstar%d: received too big AAL5 SDU.\n", card->index); -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - recycle_iovec_rx_bufs(card, (struct iovec *)iovb->data, - NS_MAX_IOVECS); - NS_PRV_IOVCNT(iovb) = 0; -@@ -2129,7 +2129,7 @@ static void dequeue_rx(ns_dev * card, ns - ("nicstar%d: Expected a small buffer, and this is not one.\n", - card->index); - which_list(card, skb); -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - recycle_rx_buf(card, skb); - vc->rx_iov = NULL; - recycle_iov_buf(card, iovb); -@@ -2142,7 +2142,7 @@ static void dequeue_rx(ns_dev * card, ns - ("nicstar%d: Expected a large buffer, and this is not one.\n", - card->index); - which_list(card, skb); -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - recycle_iovec_rx_bufs(card, (struct iovec *)iovb->data, - NS_PRV_IOVCNT(iovb)); - vc->rx_iov = NULL; -@@ -2165,7 +2165,7 @@ static void dequeue_rx(ns_dev * card, ns - printk(" - PDU size mismatch.\n"); - else - printk(".\n"); -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - recycle_iovec_rx_bufs(card, (struct iovec *)iovb->data, - NS_PRV_IOVCNT(iovb)); - vc->rx_iov = NULL; -@@ -2179,7 +2179,7 @@ static void dequeue_rx(ns_dev * card, ns - /* skb points to a small buffer */ - if (!atm_charge(vcc, skb->truesize)) { - push_rxbufs(card, skb); -- atomic_inc(&vcc->stats->rx_drop); -+ atomic_inc_unchecked(&vcc->stats->rx_drop); - } else { - skb_put(skb, len); - dequeue_sm_buf(card, skb); -@@ -2189,7 +2189,7 @@ static void dequeue_rx(ns_dev * card, ns - ATM_SKB(skb)->vcc = vcc; - __net_timestamp(skb); - vcc->push(vcc, skb); -- atomic_inc(&vcc->stats->rx); -+ atomic_inc_unchecked(&vcc->stats->rx); - } - } else if (NS_PRV_IOVCNT(iovb) == 2) { /* One small plus one large buffer */ - struct sk_buff *sb; -@@ -2200,7 +2200,7 @@ static void dequeue_rx(ns_dev * card, ns - if (len <= NS_SMBUFSIZE) { - if (!atm_charge(vcc, sb->truesize)) { - push_rxbufs(card, sb); -- atomic_inc(&vcc->stats->rx_drop); -+ atomic_inc_unchecked(&vcc->stats->rx_drop); - } else { - skb_put(sb, len); - dequeue_sm_buf(card, sb); -@@ -2210,7 +2210,7 @@ static void dequeue_rx(ns_dev * card, ns - ATM_SKB(sb)->vcc = vcc; - __net_timestamp(sb); - vcc->push(vcc, sb); -- atomic_inc(&vcc->stats->rx); -+ atomic_inc_unchecked(&vcc->stats->rx); - } - - push_rxbufs(card, skb); -@@ -2219,7 +2219,7 @@ static void dequeue_rx(ns_dev * card, ns - - if (!atm_charge(vcc, skb->truesize)) { - push_rxbufs(card, skb); -- atomic_inc(&vcc->stats->rx_drop); -+ atomic_inc_unchecked(&vcc->stats->rx_drop); - } else { - dequeue_lg_buf(card, skb); - #ifdef NS_USE_DESTRUCTORS -@@ -2232,7 +2232,7 @@ static void dequeue_rx(ns_dev * card, ns - ATM_SKB(skb)->vcc = vcc; - __net_timestamp(skb); - vcc->push(vcc, skb); -- atomic_inc(&vcc->stats->rx); -+ atomic_inc_unchecked(&vcc->stats->rx); - } - - push_rxbufs(card, sb); -@@ -2253,7 +2253,7 @@ static void dequeue_rx(ns_dev * card, ns - printk - ("nicstar%d: Out of huge buffers.\n", - card->index); -- atomic_inc(&vcc->stats->rx_drop); -+ atomic_inc_unchecked(&vcc->stats->rx_drop); - recycle_iovec_rx_bufs(card, - (struct iovec *) - iovb->data, -@@ -2304,7 +2304,7 @@ static void dequeue_rx(ns_dev * card, ns - card->hbpool.count++; - } else - dev_kfree_skb_any(hb); -- atomic_inc(&vcc->stats->rx_drop); -+ atomic_inc_unchecked(&vcc->stats->rx_drop); - } else { - /* Copy the small buffer to the huge buffer */ - sb = (struct sk_buff *)iov->iov_base; -@@ -2341,7 +2341,7 @@ static void dequeue_rx(ns_dev * card, ns - #endif /* NS_USE_DESTRUCTORS */ - __net_timestamp(hb); - vcc->push(vcc, hb); -- atomic_inc(&vcc->stats->rx); -+ atomic_inc_unchecked(&vcc->stats->rx); - } - } - -diff -urNp linux-2.6.39.3/drivers/atm/solos-pci.c linux-2.6.39.3/drivers/atm/solos-pci.c ---- linux-2.6.39.3/drivers/atm/solos-pci.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/atm/solos-pci.c 2011-05-22 19:36:31.000000000 -0400 -@@ -715,7 +715,7 @@ void solos_bh(unsigned long card_arg) - } - atm_charge(vcc, skb->truesize); - vcc->push(vcc, skb); -- atomic_inc(&vcc->stats->rx); -+ atomic_inc_unchecked(&vcc->stats->rx); - break; - - case PKT_STATUS: -@@ -900,6 +900,8 @@ static int print_buffer(struct sk_buff * - char msg[500]; - char item[10]; - -+ pax_track_stack(); -+ - len = buf->len; - for (i = 0; i < len; i++){ - if(i % 8 == 0) -@@ -1009,7 +1011,7 @@ static uint32_t fpga_tx(struct solos_car - vcc = SKB_CB(oldskb)->vcc; - - if (vcc) { -- atomic_inc(&vcc->stats->tx); -+ atomic_inc_unchecked(&vcc->stats->tx); - solos_pop(vcc, oldskb); - } else - dev_kfree_skb_irq(oldskb); -diff -urNp linux-2.6.39.3/drivers/atm/suni.c linux-2.6.39.3/drivers/atm/suni.c ---- linux-2.6.39.3/drivers/atm/suni.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/atm/suni.c 2011-05-22 19:36:31.000000000 -0400 -@@ -50,8 +50,8 @@ static DEFINE_SPINLOCK(sunis_lock); - - - #define ADD_LIMITED(s,v) \ -- atomic_add((v),&stats->s); \ -- if (atomic_read(&stats->s) < 0) atomic_set(&stats->s,INT_MAX); -+ atomic_add_unchecked((v),&stats->s); \ -+ if (atomic_read_unchecked(&stats->s) < 0) atomic_set_unchecked(&stats->s,INT_MAX); - - - static void suni_hz(unsigned long from_timer) -diff -urNp linux-2.6.39.3/drivers/atm/uPD98402.c linux-2.6.39.3/drivers/atm/uPD98402.c ---- linux-2.6.39.3/drivers/atm/uPD98402.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/atm/uPD98402.c 2011-05-22 19:36:31.000000000 -0400 -@@ -42,7 +42,7 @@ static int fetch_stats(struct atm_dev *d - struct sonet_stats tmp; - int error = 0; - -- atomic_add(GET(HECCT),&PRIV(dev)->sonet_stats.uncorr_hcs); -+ atomic_add_unchecked(GET(HECCT),&PRIV(dev)->sonet_stats.uncorr_hcs); - sonet_copy_stats(&PRIV(dev)->sonet_stats,&tmp); - if (arg) error = copy_to_user(arg,&tmp,sizeof(tmp)); - if (zero && !error) { -@@ -161,9 +161,9 @@ static int uPD98402_ioctl(struct atm_dev - - - #define ADD_LIMITED(s,v) \ -- { atomic_add(GET(v),&PRIV(dev)->sonet_stats.s); \ -- if (atomic_read(&PRIV(dev)->sonet_stats.s) < 0) \ -- atomic_set(&PRIV(dev)->sonet_stats.s,INT_MAX); } -+ { atomic_add_unchecked(GET(v),&PRIV(dev)->sonet_stats.s); \ -+ if (atomic_read_unchecked(&PRIV(dev)->sonet_stats.s) < 0) \ -+ atomic_set_unchecked(&PRIV(dev)->sonet_stats.s,INT_MAX); } - - - static void stat_event(struct atm_dev *dev) -@@ -194,7 +194,7 @@ static void uPD98402_int(struct atm_dev - if (reason & uPD98402_INT_PFM) stat_event(dev); - if (reason & uPD98402_INT_PCO) { - (void) GET(PCOCR); /* clear interrupt cause */ -- atomic_add(GET(HECCT), -+ atomic_add_unchecked(GET(HECCT), - &PRIV(dev)->sonet_stats.uncorr_hcs); - } - if ((reason & uPD98402_INT_RFO) && -@@ -222,9 +222,9 @@ static int uPD98402_start(struct atm_dev - PUT(~(uPD98402_INT_PFM | uPD98402_INT_ALM | uPD98402_INT_RFO | - uPD98402_INT_LOS),PIMR); /* enable them */ - (void) fetch_stats(dev,NULL,1); /* clear kernel counters */ -- atomic_set(&PRIV(dev)->sonet_stats.corr_hcs,-1); -- atomic_set(&PRIV(dev)->sonet_stats.tx_cells,-1); -- atomic_set(&PRIV(dev)->sonet_stats.rx_cells,-1); -+ atomic_set_unchecked(&PRIV(dev)->sonet_stats.corr_hcs,-1); -+ atomic_set_unchecked(&PRIV(dev)->sonet_stats.tx_cells,-1); -+ atomic_set_unchecked(&PRIV(dev)->sonet_stats.rx_cells,-1); - return 0; - } - -diff -urNp linux-2.6.39.3/drivers/atm/zatm.c linux-2.6.39.3/drivers/atm/zatm.c ---- linux-2.6.39.3/drivers/atm/zatm.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/atm/zatm.c 2011-05-22 19:36:31.000000000 -0400 -@@ -459,7 +459,7 @@ printk("dummy: 0x%08lx, 0x%08lx\n",dummy - } - if (!size) { - dev_kfree_skb_irq(skb); -- if (vcc) atomic_inc(&vcc->stats->rx_err); -+ if (vcc) atomic_inc_unchecked(&vcc->stats->rx_err); - continue; - } - if (!atm_charge(vcc,skb->truesize)) { -@@ -469,7 +469,7 @@ printk("dummy: 0x%08lx, 0x%08lx\n",dummy - skb->len = size; - ATM_SKB(skb)->vcc = vcc; - vcc->push(vcc,skb); -- atomic_inc(&vcc->stats->rx); -+ atomic_inc_unchecked(&vcc->stats->rx); - } - zout(pos & 0xffff,MTA(mbx)); - #if 0 /* probably a stupid idea */ -@@ -733,7 +733,7 @@ if (*ZATM_PRV_DSC(skb) != (uPD98401_TXPD - skb_queue_head(&zatm_vcc->backlog,skb); - break; - } -- atomic_inc(&vcc->stats->tx); -+ atomic_inc_unchecked(&vcc->stats->tx); - wake_up(&zatm_vcc->tx_wait); - } - -diff -urNp linux-2.6.39.3/drivers/base/iommu.c linux-2.6.39.3/drivers/base/iommu.c ---- linux-2.6.39.3/drivers/base/iommu.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/base/iommu.c 2011-05-22 19:36:31.000000000 -0400 -@@ -23,9 +23,8 @@ - #include <linux/errno.h> - #include <linux/iommu.h> - --static struct iommu_ops *iommu_ops; -- --void register_iommu(struct iommu_ops *ops) -+static const struct iommu_ops *iommu_ops; -+void register_iommu(const struct iommu_ops *ops) - { - if (iommu_ops) - BUG(); -diff -urNp linux-2.6.39.3/drivers/base/power/generic_ops.c linux-2.6.39.3/drivers/base/power/generic_ops.c ---- linux-2.6.39.3/drivers/base/power/generic_ops.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/base/power/generic_ops.c 2011-05-22 19:36:31.000000000 -0400 -@@ -215,7 +215,7 @@ int pm_generic_restore(struct device *de - EXPORT_SYMBOL_GPL(pm_generic_restore); - #endif /* CONFIG_PM_SLEEP */ - --struct dev_pm_ops generic_subsys_pm_ops = { -+const struct dev_pm_ops generic_subsys_pm_ops = { - #ifdef CONFIG_PM_SLEEP - .suspend = pm_generic_suspend, - .resume = pm_generic_resume, -diff -urNp linux-2.6.39.3/drivers/base/power/wakeup.c linux-2.6.39.3/drivers/base/power/wakeup.c ---- linux-2.6.39.3/drivers/base/power/wakeup.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/base/power/wakeup.c 2011-05-22 19:36:31.000000000 -0400 -@@ -29,14 +29,14 @@ bool events_check_enabled; - * They need to be modified together atomically, so it's better to use one - * atomic variable to hold them both. - */ --static atomic_t combined_event_count = ATOMIC_INIT(0); -+static atomic_unchecked_t combined_event_count = ATOMIC_INIT(0); - - #define IN_PROGRESS_BITS (sizeof(int) * 4) - #define MAX_IN_PROGRESS ((1 << IN_PROGRESS_BITS) - 1) - - static void split_counters(unsigned int *cnt, unsigned int *inpr) - { -- unsigned int comb = atomic_read(&combined_event_count); -+ unsigned int comb = atomic_read_unchecked(&combined_event_count); - - *cnt = (comb >> IN_PROGRESS_BITS); - *inpr = comb & MAX_IN_PROGRESS; -@@ -351,7 +351,7 @@ static void wakeup_source_activate(struc - ws->last_time = ktime_get(); - - /* Increment the counter of events in progress. */ -- atomic_inc(&combined_event_count); -+ atomic_inc_unchecked(&combined_event_count); - } - - /** -@@ -441,7 +441,7 @@ static void wakeup_source_deactivate(str - * Increment the counter of registered wakeup events and decrement the - * couter of wakeup events in progress simultaneously. - */ -- atomic_add(MAX_IN_PROGRESS, &combined_event_count); -+ atomic_add_unchecked(MAX_IN_PROGRESS, &combined_event_count); - } - - /** -diff -urNp linux-2.6.39.3/drivers/block/cciss.c linux-2.6.39.3/drivers/block/cciss.c ---- linux-2.6.39.3/drivers/block/cciss.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/block/cciss.c 2011-05-22 19:41:32.000000000 -0400 -@@ -103,7 +103,7 @@ MODULE_DEVICE_TABLE(pci, cciss_pci_devic - * product = Marketing Name for the board - * access = Address of the struct of function pointers - */ --static struct board_type products[] = { -+static const struct board_type products[] = { - {0x40700E11, "Smart Array 5300", &SA5_access}, - {0x40800E11, "Smart Array 5i", &SA5B_access}, - {0x40820E11, "Smart Array 532", &SA5B_access}, -@@ -1151,6 +1151,8 @@ static int cciss_ioctl32_passthru(struct - int err; - u32 cp; - -+ memset(&arg64, 0, sizeof(arg64)); -+ - err = 0; - err |= - copy_from_user(&arg64.LUN_info, &arg32->LUN_info, -diff -urNp linux-2.6.39.3/drivers/block/cciss.h linux-2.6.39.3/drivers/block/cciss.h ---- linux-2.6.39.3/drivers/block/cciss.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/block/cciss.h 2011-05-22 19:36:31.000000000 -0400 -@@ -393,7 +393,7 @@ static bool SA5_performant_intr_pending( - return register_value & SA5_OUTDB_STATUS_PERF_BIT; - } - --static struct access_method SA5_access = { -+static const struct access_method SA5_access = { - SA5_submit_command, - SA5_intr_mask, - SA5_fifo_full, -@@ -401,7 +401,7 @@ static struct access_method SA5_access = - SA5_completed, - }; - --static struct access_method SA5B_access = { -+static const struct access_method SA5B_access = { - SA5_submit_command, - SA5B_intr_mask, - SA5_fifo_full, -@@ -409,7 +409,7 @@ static struct access_method SA5B_access - SA5_completed, - }; - --static struct access_method SA5_performant_access = { -+static const struct access_method SA5_performant_access = { - SA5_submit_command, - SA5_performant_intr_mask, - SA5_fifo_full, -@@ -420,7 +420,7 @@ static struct access_method SA5_performa - struct board_type { - __u32 board_id; - char *product_name; -- struct access_method *access; -+ const struct access_method *access; - int nr_cmds; /* Max cmds this kind of ctlr can handle. */ - }; - -diff -urNp linux-2.6.39.3/drivers/block/cpqarray.c linux-2.6.39.3/drivers/block/cpqarray.c ---- linux-2.6.39.3/drivers/block/cpqarray.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/block/cpqarray.c 2011-05-22 19:36:31.000000000 -0400 -@@ -80,7 +80,7 @@ static int eisa[8]; - * product = Marketing Name for the board - * access = Address of the struct of function pointers - */ --static struct board_type products[] = { -+static const struct board_type products[] = { - { 0x0040110E, "IDA", &smart1_access }, - { 0x0140110E, "IDA-2", &smart1_access }, - { 0x1040110E, "IAES", &smart1_access }, -@@ -911,6 +911,8 @@ static void do_ida_request(struct reques - struct scatterlist tmp_sg[SG_MAX]; - int i, dir, seg; - -+ pax_track_stack(); -+ - queue_next: - creq = blk_peek_request(q); - if (!creq) -diff -urNp linux-2.6.39.3/drivers/block/cpqarray.h linux-2.6.39.3/drivers/block/cpqarray.h ---- linux-2.6.39.3/drivers/block/cpqarray.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/block/cpqarray.h 2011-05-22 19:36:31.000000000 -0400 -@@ -69,7 +69,7 @@ struct access_method { - struct board_type { - __u32 board_id; - char *product_name; -- struct access_method *access; -+ const struct access_method *access; - }; - - struct ctlr_info { -diff -urNp linux-2.6.39.3/drivers/block/DAC960.c linux-2.6.39.3/drivers/block/DAC960.c ---- linux-2.6.39.3/drivers/block/DAC960.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/block/DAC960.c 2011-05-22 19:36:31.000000000 -0400 -@@ -1980,6 +1980,8 @@ static bool DAC960_V1_ReadDeviceConfigur - unsigned long flags; - int Channel, TargetID; - -+ pax_track_stack(); -+ - if (!init_dma_loaf(Controller->PCIDevice, &local_dma, - DAC960_V1_MaxChannels*(sizeof(DAC960_V1_DCDB_T) + - sizeof(DAC960_SCSI_Inquiry_T) + -diff -urNp linux-2.6.39.3/drivers/block/drbd/drbd_int.h linux-2.6.39.3/drivers/block/drbd/drbd_int.h ---- linux-2.6.39.3/drivers/block/drbd/drbd_int.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/block/drbd/drbd_int.h 2011-05-22 19:36:31.000000000 -0400 -@@ -736,7 +736,7 @@ struct drbd_request; - struct drbd_epoch { - struct list_head list; - unsigned int barrier_nr; -- atomic_t epoch_size; /* increased on every request added. */ -+ atomic_unchecked_t epoch_size; /* increased on every request added. */ - atomic_t active; /* increased on every req. added, and dec on every finished. */ - unsigned long flags; - }; -@@ -1108,7 +1108,7 @@ struct drbd_conf { - void *int_dig_in; - void *int_dig_vv; - wait_queue_head_t seq_wait; -- atomic_t packet_seq; -+ atomic_unchecked_t packet_seq; - unsigned int peer_seq; - spinlock_t peer_seq_lock; - unsigned int minor; -diff -urNp linux-2.6.39.3/drivers/block/drbd/drbd_main.c linux-2.6.39.3/drivers/block/drbd/drbd_main.c ---- linux-2.6.39.3/drivers/block/drbd/drbd_main.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/block/drbd/drbd_main.c 2011-05-22 19:36:31.000000000 -0400 -@@ -2387,7 +2387,7 @@ static int _drbd_send_ack(struct drbd_co - p.sector = sector; - p.block_id = block_id; - p.blksize = blksize; -- p.seq_num = cpu_to_be32(atomic_add_return(1, &mdev->packet_seq)); -+ p.seq_num = cpu_to_be32(atomic_add_return_unchecked(1, &mdev->packet_seq)); - - if (!mdev->meta.socket || mdev->state.conn < C_CONNECTED) - return false; -@@ -2686,7 +2686,7 @@ int drbd_send_dblock(struct drbd_conf *m - p.sector = cpu_to_be64(req->sector); - p.block_id = (unsigned long)req; - p.seq_num = cpu_to_be32(req->seq_num = -- atomic_add_return(1, &mdev->packet_seq)); -+ atomic_add_return_unchecked(1, &mdev->packet_seq)); - - dp_flags = bio_flags_to_wire(mdev, req->master_bio->bi_rw); - -@@ -2971,7 +2971,7 @@ void drbd_init_set_defaults(struct drbd_ - atomic_set(&mdev->unacked_cnt, 0); - atomic_set(&mdev->local_cnt, 0); - atomic_set(&mdev->net_cnt, 0); -- atomic_set(&mdev->packet_seq, 0); -+ atomic_set_unchecked(&mdev->packet_seq, 0); - atomic_set(&mdev->pp_in_use, 0); - atomic_set(&mdev->pp_in_use_by_net, 0); - atomic_set(&mdev->rs_sect_in, 0); -@@ -3051,8 +3051,8 @@ void drbd_mdev_cleanup(struct drbd_conf - mdev->receiver.t_state); - - /* no need to lock it, I'm the only thread alive */ -- if (atomic_read(&mdev->current_epoch->epoch_size) != 0) -- dev_err(DEV, "epoch_size:%d\n", atomic_read(&mdev->current_epoch->epoch_size)); -+ if (atomic_read_unchecked(&mdev->current_epoch->epoch_size) != 0) -+ dev_err(DEV, "epoch_size:%d\n", atomic_read_unchecked(&mdev->current_epoch->epoch_size)); - mdev->al_writ_cnt = - mdev->bm_writ_cnt = - mdev->read_cnt = -diff -urNp linux-2.6.39.3/drivers/block/drbd/drbd_nl.c linux-2.6.39.3/drivers/block/drbd/drbd_nl.c ---- linux-2.6.39.3/drivers/block/drbd/drbd_nl.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/block/drbd/drbd_nl.c 2011-05-22 19:36:31.000000000 -0400 -@@ -2298,7 +2298,7 @@ static void drbd_connector_callback(stru - module_put(THIS_MODULE); - } - --static atomic_t drbd_nl_seq = ATOMIC_INIT(2); /* two. */ -+static atomic_unchecked_t drbd_nl_seq = ATOMIC_INIT(2); /* two. */ - - static unsigned short * - __tl_add_blob(unsigned short *tl, enum drbd_tags tag, const void *data, -@@ -2369,7 +2369,7 @@ void drbd_bcast_state(struct drbd_conf * - cn_reply->id.idx = CN_IDX_DRBD; - cn_reply->id.val = CN_VAL_DRBD; - -- cn_reply->seq = atomic_add_return(1, &drbd_nl_seq); -+ cn_reply->seq = atomic_add_return_unchecked(1, &drbd_nl_seq); - cn_reply->ack = 0; /* not used here. */ - cn_reply->len = sizeof(struct drbd_nl_cfg_reply) + - (int)((char *)tl - (char *)reply->tag_list); -@@ -2401,7 +2401,7 @@ void drbd_bcast_ev_helper(struct drbd_co - cn_reply->id.idx = CN_IDX_DRBD; - cn_reply->id.val = CN_VAL_DRBD; - -- cn_reply->seq = atomic_add_return(1, &drbd_nl_seq); -+ cn_reply->seq = atomic_add_return_unchecked(1, &drbd_nl_seq); - cn_reply->ack = 0; /* not used here. */ - cn_reply->len = sizeof(struct drbd_nl_cfg_reply) + - (int)((char *)tl - (char *)reply->tag_list); -@@ -2479,7 +2479,7 @@ void drbd_bcast_ee(struct drbd_conf *mde - cn_reply->id.idx = CN_IDX_DRBD; - cn_reply->id.val = CN_VAL_DRBD; - -- cn_reply->seq = atomic_add_return(1,&drbd_nl_seq); -+ cn_reply->seq = atomic_add_return_unchecked(1,&drbd_nl_seq); - cn_reply->ack = 0; // not used here. - cn_reply->len = sizeof(struct drbd_nl_cfg_reply) + - (int)((char*)tl - (char*)reply->tag_list); -@@ -2518,7 +2518,7 @@ void drbd_bcast_sync_progress(struct drb - cn_reply->id.idx = CN_IDX_DRBD; - cn_reply->id.val = CN_VAL_DRBD; - -- cn_reply->seq = atomic_add_return(1, &drbd_nl_seq); -+ cn_reply->seq = atomic_add_return_unchecked(1, &drbd_nl_seq); - cn_reply->ack = 0; /* not used here. */ - cn_reply->len = sizeof(struct drbd_nl_cfg_reply) + - (int)((char *)tl - (char *)reply->tag_list); -diff -urNp linux-2.6.39.3/drivers/block/drbd/drbd_receiver.c linux-2.6.39.3/drivers/block/drbd/drbd_receiver.c ---- linux-2.6.39.3/drivers/block/drbd/drbd_receiver.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/block/drbd/drbd_receiver.c 2011-05-22 19:36:31.000000000 -0400 -@@ -894,7 +894,7 @@ retry: - sock->sk->sk_sndtimeo = mdev->net_conf->timeout*HZ/10; - sock->sk->sk_rcvtimeo = MAX_SCHEDULE_TIMEOUT; - -- atomic_set(&mdev->packet_seq, 0); -+ atomic_set_unchecked(&mdev->packet_seq, 0); - mdev->peer_seq = 0; - - drbd_thread_start(&mdev->asender); -@@ -990,7 +990,7 @@ static enum finish_epoch drbd_may_finish - do { - next_epoch = NULL; - -- epoch_size = atomic_read(&epoch->epoch_size); -+ epoch_size = atomic_read_unchecked(&epoch->epoch_size); - - switch (ev & ~EV_CLEANUP) { - case EV_PUT: -@@ -1025,7 +1025,7 @@ static enum finish_epoch drbd_may_finish - rv = FE_DESTROYED; - } else { - epoch->flags = 0; -- atomic_set(&epoch->epoch_size, 0); -+ atomic_set_unchecked(&epoch->epoch_size, 0); - /* atomic_set(&epoch->active, 0); is already zero */ - if (rv == FE_STILL_LIVE) - rv = FE_RECYCLED; -@@ -1196,14 +1196,14 @@ static int receive_Barrier(struct drbd_c - drbd_wait_ee_list_empty(mdev, &mdev->active_ee); - drbd_flush(mdev); - -- if (atomic_read(&mdev->current_epoch->epoch_size)) { -+ if (atomic_read_unchecked(&mdev->current_epoch->epoch_size)) { - epoch = kmalloc(sizeof(struct drbd_epoch), GFP_NOIO); - if (epoch) - break; - } - - epoch = mdev->current_epoch; -- wait_event(mdev->ee_wait, atomic_read(&epoch->epoch_size) == 0); -+ wait_event(mdev->ee_wait, atomic_read_unchecked(&epoch->epoch_size) == 0); - - D_ASSERT(atomic_read(&epoch->active) == 0); - D_ASSERT(epoch->flags == 0); -@@ -1215,11 +1215,11 @@ static int receive_Barrier(struct drbd_c - } - - epoch->flags = 0; -- atomic_set(&epoch->epoch_size, 0); -+ atomic_set_unchecked(&epoch->epoch_size, 0); - atomic_set(&epoch->active, 0); - - spin_lock(&mdev->epoch_lock); -- if (atomic_read(&mdev->current_epoch->epoch_size)) { -+ if (atomic_read_unchecked(&mdev->current_epoch->epoch_size)) { - list_add(&epoch->list, &mdev->current_epoch->list); - mdev->current_epoch = epoch; - mdev->epochs++; -@@ -1668,7 +1668,7 @@ static int receive_Data(struct drbd_conf - spin_unlock(&mdev->peer_seq_lock); - - drbd_send_ack_dp(mdev, P_NEG_ACK, p, data_size); -- atomic_inc(&mdev->current_epoch->epoch_size); -+ atomic_inc_unchecked(&mdev->current_epoch->epoch_size); - return drbd_drain_block(mdev, data_size); - } - -@@ -1694,7 +1694,7 @@ static int receive_Data(struct drbd_conf - - spin_lock(&mdev->epoch_lock); - e->epoch = mdev->current_epoch; -- atomic_inc(&e->epoch->epoch_size); -+ atomic_inc_unchecked(&e->epoch->epoch_size); - atomic_inc(&e->epoch->active); - spin_unlock(&mdev->epoch_lock); - -@@ -3905,7 +3905,7 @@ static void drbd_disconnect(struct drbd_ - D_ASSERT(list_empty(&mdev->done_ee)); - - /* ok, no more ee's on the fly, it is safe to reset the epoch_size */ -- atomic_set(&mdev->current_epoch->epoch_size, 0); -+ atomic_set_unchecked(&mdev->current_epoch->epoch_size, 0); - D_ASSERT(list_empty(&mdev->current_epoch->list)); - } - -diff -urNp linux-2.6.39.3/drivers/block/nbd.c linux-2.6.39.3/drivers/block/nbd.c ---- linux-2.6.39.3/drivers/block/nbd.c 2011-06-25 12:55:22.000000000 -0400 -+++ linux-2.6.39.3/drivers/block/nbd.c 2011-06-25 13:00:25.000000000 -0400 -@@ -157,6 +157,8 @@ static int sock_xmit(struct nbd_device * - struct kvec iov; - sigset_t blocked, oldset; - -+ pax_track_stack(); -+ - if (unlikely(!sock)) { - printk(KERN_ERR "%s: Attempted %s on closed socket in sock_xmit\n", - lo->disk->disk_name, (send ? "send" : "recv")); -@@ -571,6 +573,8 @@ static void do_nbd_request(struct reques - static int __nbd_ioctl(struct block_device *bdev, struct nbd_device *lo, - unsigned int cmd, unsigned long arg) - { -+ pax_track_stack(); -+ - switch (cmd) { - case NBD_DISCONNECT: { - struct request sreq; -diff -urNp linux-2.6.39.3/drivers/block/smart1,2.h linux-2.6.39.3/drivers/block/smart1,2.h ---- linux-2.6.39.3/drivers/block/smart1,2.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/block/smart1,2.h 2011-05-22 19:36:31.000000000 -0400 -@@ -107,7 +107,7 @@ static unsigned long smart4_intr_pending - return 0 ; - } - --static struct access_method smart4_access = { -+static const struct access_method smart4_access = { - smart4_submit_command, - smart4_intr_mask, - smart4_fifo_full, -@@ -143,7 +143,7 @@ static unsigned long smart2_intr_pending - return readl(h->vaddr + INTR_PENDING); - } - --static struct access_method smart2_access = { -+static const struct access_method smart2_access = { - smart2_submit_command, - smart2_intr_mask, - smart2_fifo_full, -@@ -179,7 +179,7 @@ static unsigned long smart2e_intr_pendin - return inl(h->io_mem_addr + INTR_PENDING); - } - --static struct access_method smart2e_access = { -+static const struct access_method smart2e_access = { - smart2e_submit_command, - smart2e_intr_mask, - smart2e_fifo_full, -@@ -269,7 +269,7 @@ static unsigned long smart1_intr_pending - return chan; - } - --static struct access_method smart1_access = { -+static const struct access_method smart1_access = { - smart1_submit_command, - smart1_intr_mask, - smart1_fifo_full, -diff -urNp linux-2.6.39.3/drivers/block/xsysace.c linux-2.6.39.3/drivers/block/xsysace.c ---- linux-2.6.39.3/drivers/block/xsysace.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/block/xsysace.c 2011-05-22 19:36:31.000000000 -0400 -@@ -262,7 +262,7 @@ static void ace_dataout_8(struct ace_dev - ace->data_ptr = src; - } - --static struct ace_reg_ops ace_reg_8_ops = { -+static const struct ace_reg_ops ace_reg_8_ops = { - .in = ace_in_8, - .out = ace_out_8, - .datain = ace_datain_8, -@@ -327,14 +327,14 @@ static void ace_dataout_le16(struct ace_ - ace->data_ptr = src; - } - --static struct ace_reg_ops ace_reg_be16_ops = { -+static const struct ace_reg_ops ace_reg_be16_ops = { - .in = ace_in_be16, - .out = ace_out_be16, - .datain = ace_datain_be16, - .dataout = ace_dataout_be16, - }; - --static struct ace_reg_ops ace_reg_le16_ops = { -+static const struct ace_reg_ops ace_reg_le16_ops = { - .in = ace_in_le16, - .out = ace_out_le16, - .datain = ace_datain_le16, -diff -urNp linux-2.6.39.3/drivers/char/agp/frontend.c linux-2.6.39.3/drivers/char/agp/frontend.c ---- linux-2.6.39.3/drivers/char/agp/frontend.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/char/agp/frontend.c 2011-05-22 19:36:31.000000000 -0400 -@@ -817,7 +817,7 @@ static int agpioc_reserve_wrap(struct ag - if (copy_from_user(&reserve, arg, sizeof(struct agp_region))) - return -EFAULT; - -- if ((unsigned) reserve.seg_count >= ~0U/sizeof(struct agp_segment)) -+ if ((unsigned) reserve.seg_count >= ~0U/sizeof(struct agp_segment_priv)) - return -EFAULT; - - client = agp_find_client_by_pid(reserve.pid); -diff -urNp linux-2.6.39.3/drivers/char/briq_panel.c linux-2.6.39.3/drivers/char/briq_panel.c ---- linux-2.6.39.3/drivers/char/briq_panel.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/char/briq_panel.c 2011-05-22 19:41:32.000000000 -0400 -@@ -9,6 +9,7 @@ - #include <linux/types.h> - #include <linux/errno.h> - #include <linux/tty.h> -+#include <linux/mutex.h> - #include <linux/timer.h> - #include <linux/kernel.h> - #include <linux/wait.h> -@@ -34,6 +35,7 @@ static int vfd_is_open; - static unsigned char vfd[40]; - static int vfd_cursor; - static unsigned char ledpb, led; -+static DEFINE_MUTEX(vfd_mutex); - - static void update_vfd(void) - { -@@ -140,12 +142,15 @@ static ssize_t briq_panel_write(struct f - if (!vfd_is_open) - return -EBUSY; - -+ mutex_lock(&vfd_mutex); - for (;;) { - char c; - if (!indx) - break; -- if (get_user(c, buf)) -+ if (get_user(c, buf)) { -+ mutex_unlock(&vfd_mutex); - return -EFAULT; -+ } - if (esc) { - set_led(c); - esc = 0; -@@ -175,6 +180,7 @@ static ssize_t briq_panel_write(struct f - buf++; - } - update_vfd(); -+ mutex_unlock(&vfd_mutex); - - return len; - } -diff -urNp linux-2.6.39.3/drivers/char/genrtc.c linux-2.6.39.3/drivers/char/genrtc.c ---- linux-2.6.39.3/drivers/char/genrtc.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/char/genrtc.c 2011-05-22 19:41:32.000000000 -0400 -@@ -273,6 +273,7 @@ static int gen_rtc_ioctl(struct file *fi - switch (cmd) { - - case RTC_PLL_GET: -+ memset(&pll, 0, sizeof(pll)); - if (get_rtc_pll(&pll)) - return -EINVAL; - else -diff -urNp linux-2.6.39.3/drivers/char/hpet.c linux-2.6.39.3/drivers/char/hpet.c ---- linux-2.6.39.3/drivers/char/hpet.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/char/hpet.c 2011-05-22 19:36:31.000000000 -0400 -@@ -553,7 +553,7 @@ static inline unsigned long hpet_time_di - } - - static int --hpet_ioctl_common(struct hpet_dev *devp, int cmd, unsigned long arg, -+hpet_ioctl_common(struct hpet_dev *devp, unsigned int cmd, unsigned long arg, - struct hpet_info *info) - { - struct hpet_timer __iomem *timer; -diff -urNp linux-2.6.39.3/drivers/char/ipmi/ipmi_devintf.c linux-2.6.39.3/drivers/char/ipmi/ipmi_devintf.c ---- linux-2.6.39.3/drivers/char/ipmi/ipmi_devintf.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/char/ipmi/ipmi_devintf.c 2011-05-22 19:36:31.000000000 -0400 -@@ -109,8 +109,7 @@ static int ipmi_fasync(int fd, struct fi - return (result); - } - --static struct ipmi_user_hndl ipmi_hndlrs = --{ -+static const struct ipmi_user_hndl ipmi_hndlrs = { - .ipmi_recv_hndl = file_receive_handler, - }; - -diff -urNp linux-2.6.39.3/drivers/char/ipmi/ipmi_msghandler.c linux-2.6.39.3/drivers/char/ipmi/ipmi_msghandler.c ---- linux-2.6.39.3/drivers/char/ipmi/ipmi_msghandler.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/char/ipmi/ipmi_msghandler.c 2011-05-22 19:36:31.000000000 -0400 -@@ -82,7 +82,7 @@ struct ipmi_user { - struct kref refcount; - - /* The upper layer that handles receive messages. */ -- struct ipmi_user_hndl *handler; -+ const struct ipmi_user_hndl *handler; - void *handler_data; - - /* The interface this user is bound to. */ -@@ -414,7 +414,7 @@ struct ipmi_smi { - struct proc_dir_entry *proc_dir; - char proc_dir_name[10]; - -- atomic_t stats[IPMI_NUM_STATS]; -+ atomic_unchecked_t stats[IPMI_NUM_STATS]; - - /* - * run_to_completion duplicate of smb_info, smi_info -@@ -447,9 +447,9 @@ static DEFINE_MUTEX(smi_watchers_mutex); - - - #define ipmi_inc_stat(intf, stat) \ -- atomic_inc(&(intf)->stats[IPMI_STAT_ ## stat]) -+ atomic_inc_unchecked(&(intf)->stats[IPMI_STAT_ ## stat]) - #define ipmi_get_stat(intf, stat) \ -- ((unsigned int) atomic_read(&(intf)->stats[IPMI_STAT_ ## stat])) -+ ((unsigned int) atomic_read_unchecked(&(intf)->stats[IPMI_STAT_ ## stat])) - - static int is_lan_addr(struct ipmi_addr *addr) - { -@@ -875,7 +875,7 @@ static int intf_err_seq(ipmi_smi_t int - - - int ipmi_create_user(unsigned int if_num, -- struct ipmi_user_hndl *handler, -+ const struct ipmi_user_hndl *handler, - void *handler_data, - ipmi_user_t *user) - { -@@ -2844,7 +2844,7 @@ int ipmi_register_smi(struct ipmi_smi_ha - INIT_LIST_HEAD(&intf->cmd_rcvrs); - init_waitqueue_head(&intf->waitq); - for (i = 0; i < IPMI_NUM_STATS; i++) -- atomic_set(&intf->stats[i], 0); -+ atomic_set_unchecked(&intf->stats[i], 0); - - intf->proc_dir = NULL; - -@@ -4196,6 +4196,8 @@ static void send_panic_events(char *str) - struct ipmi_smi_msg smi_msg; - struct ipmi_recv_msg recv_msg; - -+ pax_track_stack(); -+ - si = (struct ipmi_system_interface_addr *) &addr; - si->addr_type = IPMI_SYSTEM_INTERFACE_ADDR_TYPE; - si->channel = IPMI_BMC_CHANNEL; -diff -urNp linux-2.6.39.3/drivers/char/ipmi/ipmi_poweroff.c linux-2.6.39.3/drivers/char/ipmi/ipmi_poweroff.c ---- linux-2.6.39.3/drivers/char/ipmi/ipmi_poweroff.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/char/ipmi/ipmi_poweroff.c 2011-05-22 19:36:31.000000000 -0400 -@@ -133,7 +133,7 @@ static void receive_handler(struct ipmi_ - complete(comp); - } - --static struct ipmi_user_hndl ipmi_poweroff_handler = { -+static const struct ipmi_user_hndl ipmi_poweroff_handler = { - .ipmi_recv_hndl = receive_handler - }; - -diff -urNp linux-2.6.39.3/drivers/char/ipmi/ipmi_si_intf.c linux-2.6.39.3/drivers/char/ipmi/ipmi_si_intf.c ---- linux-2.6.39.3/drivers/char/ipmi/ipmi_si_intf.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/char/ipmi/ipmi_si_intf.c 2011-05-22 19:36:31.000000000 -0400 -@@ -276,7 +276,7 @@ struct smi_info { - unsigned char slave_addr; - - /* Counters and things for the proc filesystem. */ -- atomic_t stats[SI_NUM_STATS]; -+ atomic_unchecked_t stats[SI_NUM_STATS]; - - struct task_struct *thread; - -@@ -285,9 +285,9 @@ struct smi_info { - }; - - #define smi_inc_stat(smi, stat) \ -- atomic_inc(&(smi)->stats[SI_STAT_ ## stat]) -+ atomic_inc_unchecked(&(smi)->stats[SI_STAT_ ## stat]) - #define smi_get_stat(smi, stat) \ -- ((unsigned int) atomic_read(&(smi)->stats[SI_STAT_ ## stat])) -+ ((unsigned int) atomic_read_unchecked(&(smi)->stats[SI_STAT_ ## stat])) - - #define SI_MAX_PARMS 4 - -@@ -3198,7 +3198,7 @@ static int try_smi_init(struct smi_info - atomic_set(&new_smi->req_events, 0); - new_smi->run_to_completion = 0; - for (i = 0; i < SI_NUM_STATS; i++) -- atomic_set(&new_smi->stats[i], 0); -+ atomic_set_unchecked(&new_smi->stats[i], 0); - - new_smi->interrupt_disabled = 1; - atomic_set(&new_smi->stop_operation, 0); -diff -urNp linux-2.6.39.3/drivers/char/ipmi/ipmi_watchdog.c linux-2.6.39.3/drivers/char/ipmi/ipmi_watchdog.c ---- linux-2.6.39.3/drivers/char/ipmi/ipmi_watchdog.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/char/ipmi/ipmi_watchdog.c 2011-05-22 19:36:31.000000000 -0400 -@@ -216,7 +216,7 @@ static int set_param_timeout(const char - return rv; - } - --static struct kernel_param_ops param_ops_timeout = { -+static const struct kernel_param_ops param_ops_timeout = { - .set = set_param_timeout, - .get = param_get_int, - }; -@@ -278,14 +278,14 @@ static int set_param_wdog_ifnum(const ch - return 0; - } - --static struct kernel_param_ops param_ops_wdog_ifnum = { -+static const struct kernel_param_ops param_ops_wdog_ifnum = { - .set = set_param_wdog_ifnum, - .get = param_get_int, - }; - - #define param_check_wdog_ifnum param_check_int - --static struct kernel_param_ops param_ops_str = { -+static const struct kernel_param_ops param_ops_str = { - .set = set_param_str, - .get = get_param_str, - }; -@@ -953,7 +953,7 @@ static void ipmi_wdog_pretimeout_handler - pretimeout_since_last_heartbeat = 1; - } - --static struct ipmi_user_hndl ipmi_hndlrs = { -+static const struct ipmi_user_hndl ipmi_hndlrs = { - .ipmi_recv_hndl = ipmi_wdog_msg_handler, - .ipmi_watchdog_pretimeout = ipmi_wdog_pretimeout_handler - }; -diff -urNp linux-2.6.39.3/drivers/char/Kconfig linux-2.6.39.3/drivers/char/Kconfig ---- linux-2.6.39.3/drivers/char/Kconfig 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/char/Kconfig 2011-05-22 19:41:37.000000000 -0400 -@@ -8,7 +8,8 @@ source "drivers/tty/Kconfig" - - config DEVKMEM - bool "/dev/kmem virtual device support" -- default y -+ default n -+ depends on !GRKERNSEC_KMEM - help - Say Y here if you want to support the /dev/kmem device. The - /dev/kmem device is rarely used, but can be used for certain -@@ -596,6 +597,7 @@ config DEVPORT - bool - depends on !M68K - depends on ISA || PCI -+ depends on !GRKERNSEC_KMEM - default y - - source "drivers/s390/char/Kconfig" -diff -urNp linux-2.6.39.3/drivers/char/mem.c linux-2.6.39.3/drivers/char/mem.c ---- linux-2.6.39.3/drivers/char/mem.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/char/mem.c 2011-05-22 19:41:37.000000000 -0400 -@@ -18,6 +18,7 @@ - #include <linux/raw.h> - #include <linux/tty.h> - #include <linux/capability.h> -+#include <linux/security.h> - #include <linux/ptrace.h> - #include <linux/device.h> - #include <linux/highmem.h> -@@ -34,6 +35,10 @@ - # include <linux/efi.h> - #endif - -+#if defined(CONFIG_GRKERNSEC) && !defined(CONFIG_GRKERNSEC_NO_RBAC) -+extern struct file_operations grsec_fops; -+#endif -+ - static inline unsigned long size_inside_page(unsigned long start, - unsigned long size) - { -@@ -65,9 +70,13 @@ static inline int range_is_allowed(unsig - - while (cursor < to) { - if (!devmem_is_allowed(pfn)) { -+#ifdef CONFIG_GRKERNSEC_KMEM -+ gr_handle_mem_readwrite(from, to); -+#else - printk(KERN_INFO - "Program %s tried to access /dev/mem between %Lx->%Lx.\n", - current->comm, from, to); -+#endif - return 0; - } - cursor += PAGE_SIZE; -@@ -75,6 +84,11 @@ static inline int range_is_allowed(unsig - } - return 1; - } -+#elif defined(CONFIG_GRKERNSEC_KMEM) -+static inline int range_is_allowed(unsigned long pfn, unsigned long size) -+{ -+ return 0; -+} - #else - static inline int range_is_allowed(unsigned long pfn, unsigned long size) - { -@@ -117,6 +131,7 @@ static ssize_t read_mem(struct file *fil - - while (count > 0) { - unsigned long remaining; -+ char *temp; - - sz = size_inside_page(p, count); - -@@ -132,7 +147,23 @@ static ssize_t read_mem(struct file *fil - if (!ptr) - return -EFAULT; - -- remaining = copy_to_user(buf, ptr, sz); -+#ifdef CONFIG_PAX_USERCOPY -+ temp = kmalloc(sz, GFP_KERNEL); -+ if (!temp) { -+ unxlate_dev_mem_ptr(p, ptr); -+ return -ENOMEM; -+ } -+ memcpy(temp, ptr, sz); -+#else -+ temp = ptr; -+#endif -+ -+ remaining = copy_to_user(buf, temp, sz); -+ -+#ifdef CONFIG_PAX_USERCOPY -+ kfree(temp); -+#endif -+ - unxlate_dev_mem_ptr(p, ptr); - if (remaining) - return -EFAULT; -@@ -395,9 +426,8 @@ static ssize_t read_kmem(struct file *fi - size_t count, loff_t *ppos) - { - unsigned long p = *ppos; -- ssize_t low_count, read, sz; -+ ssize_t low_count, read, sz, err = 0; - char * kbuf; /* k-addr because vread() takes vmlist_lock rwlock */ -- int err = 0; - - read = 0; - if (p < (unsigned long) high_memory) { -@@ -419,6 +449,8 @@ static ssize_t read_kmem(struct file *fi - } - #endif - while (low_count > 0) { -+ char *temp; -+ - sz = size_inside_page(p, low_count); - - /* -@@ -428,7 +460,22 @@ static ssize_t read_kmem(struct file *fi - */ - kbuf = xlate_dev_kmem_ptr((char *)p); - -- if (copy_to_user(buf, kbuf, sz)) -+#ifdef CONFIG_PAX_USERCOPY -+ temp = kmalloc(sz, GFP_KERNEL); -+ if (!temp) -+ return -ENOMEM; -+ memcpy(temp, kbuf, sz); -+#else -+ temp = kbuf; -+#endif -+ -+ err = copy_to_user(buf, temp, sz); -+ -+#ifdef CONFIG_PAX_USERCOPY -+ kfree(temp); -+#endif -+ -+ if (err) - return -EFAULT; - buf += sz; - p += sz; -@@ -854,6 +901,9 @@ static const struct memdev { - #ifdef CONFIG_CRASH_DUMP - [12] = { "oldmem", 0, &oldmem_fops, NULL }, - #endif -+#if defined(CONFIG_GRKERNSEC) && !defined(CONFIG_GRKERNSEC_NO_RBAC) -+ [13] = { "grsec",S_IRUSR | S_IWUGO, &grsec_fops, NULL }, -+#endif - }; - - static int memory_open(struct inode *inode, struct file *filp) -diff -urNp linux-2.6.39.3/drivers/char/mmtimer.c linux-2.6.39.3/drivers/char/mmtimer.c ---- linux-2.6.39.3/drivers/char/mmtimer.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/char/mmtimer.c 2011-05-22 19:36:31.000000000 -0400 -@@ -53,7 +53,7 @@ MODULE_LICENSE("GPL"); - - #define RTC_BITS 55 /* 55 bits for this implementation */ - --static struct k_clock sgi_clock; -+static const struct k_clock sgi_clock; - - extern unsigned long sn_rtc_cycles_per_second; - -@@ -772,7 +772,7 @@ static int sgi_clock_getres(const clocki - return 0; - } - --static struct k_clock sgi_clock = { -+static const struct k_clock sgi_clock = { - .clock_set = sgi_clock_set, - .clock_get = sgi_clock_get, - .clock_getres = sgi_clock_getres, -diff -urNp linux-2.6.39.3/drivers/char/nvram.c linux-2.6.39.3/drivers/char/nvram.c ---- linux-2.6.39.3/drivers/char/nvram.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/char/nvram.c 2011-05-22 19:36:31.000000000 -0400 -@@ -246,7 +246,7 @@ static ssize_t nvram_read(struct file *f - - spin_unlock_irq(&rtc_lock); - -- if (copy_to_user(buf, contents, tmp - contents)) -+ if (tmp - contents > sizeof(contents) || copy_to_user(buf, contents, tmp - contents)) - return -EFAULT; - - *ppos = i; -diff -urNp linux-2.6.39.3/drivers/char/random.c linux-2.6.39.3/drivers/char/random.c ---- linux-2.6.39.3/drivers/char/random.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/char/random.c 2011-05-22 19:41:37.000000000 -0400 -@@ -261,8 +261,13 @@ - /* - * Configuration information - */ -+#ifdef CONFIG_GRKERNSEC_RANDNET -+#define INPUT_POOL_WORDS 512 -+#define OUTPUT_POOL_WORDS 128 -+#else - #define INPUT_POOL_WORDS 128 - #define OUTPUT_POOL_WORDS 32 -+#endif - #define SEC_XFER_SIZE 512 - #define EXTRACT_SIZE 10 - -@@ -300,10 +305,17 @@ static struct poolinfo { - int poolwords; - int tap1, tap2, tap3, tap4, tap5; - } poolinfo_table[] = { -+#ifdef CONFIG_GRKERNSEC_RANDNET -+ /* x^512 + x^411 + x^308 + x^208 +x^104 + x + 1 -- 225 */ -+ { 512, 411, 308, 208, 104, 1 }, -+ /* x^128 + x^103 + x^76 + x^51 + x^25 + x + 1 -- 105 */ -+ { 128, 103, 76, 51, 25, 1 }, -+#else - /* x^128 + x^103 + x^76 + x^51 +x^25 + x + 1 -- 105 */ - { 128, 103, 76, 51, 25, 1 }, - /* x^32 + x^26 + x^20 + x^14 + x^7 + x + 1 -- 15 */ - { 32, 26, 20, 14, 7, 1 }, -+#endif - #if 0 - /* x^2048 + x^1638 + x^1231 + x^819 + x^411 + x + 1 -- 115 */ - { 2048, 1638, 1231, 819, 411, 1 }, -@@ -909,7 +921,7 @@ static ssize_t extract_entropy_user(stru - - extract_buf(r, tmp); - i = min_t(int, nbytes, EXTRACT_SIZE); -- if (copy_to_user(buf, tmp, i)) { -+ if (i > sizeof(tmp) || copy_to_user(buf, tmp, i)) { - ret = -EFAULT; - break; - } -@@ -1214,7 +1226,7 @@ EXPORT_SYMBOL(generate_random_uuid); - #include <linux/sysctl.h> - - static int min_read_thresh = 8, min_write_thresh; --static int max_read_thresh = INPUT_POOL_WORDS * 32; -+static int max_read_thresh = OUTPUT_POOL_WORDS * 32; - static int max_write_thresh = INPUT_POOL_WORDS * 32; - static char sysctl_bootid[16]; - -diff -urNp linux-2.6.39.3/drivers/char/sonypi.c linux-2.6.39.3/drivers/char/sonypi.c ---- linux-2.6.39.3/drivers/char/sonypi.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/char/sonypi.c 2011-05-22 19:36:31.000000000 -0400 -@@ -55,6 +55,7 @@ - #include <asm/uaccess.h> - #include <asm/io.h> - #include <asm/system.h> -+#include <asm/local.h> - - #include <linux/sonypi.h> - -@@ -491,7 +492,7 @@ static struct sonypi_device { - spinlock_t fifo_lock; - wait_queue_head_t fifo_proc_list; - struct fasync_struct *fifo_async; -- int open_count; -+ local_t open_count; - int model; - struct input_dev *input_jog_dev; - struct input_dev *input_key_dev; -@@ -898,7 +899,7 @@ static int sonypi_misc_fasync(int fd, st - static int sonypi_misc_release(struct inode *inode, struct file *file) - { - mutex_lock(&sonypi_device.lock); -- sonypi_device.open_count--; -+ local_dec(&sonypi_device.open_count); - mutex_unlock(&sonypi_device.lock); - return 0; - } -@@ -907,9 +908,9 @@ static int sonypi_misc_open(struct inode - { - mutex_lock(&sonypi_device.lock); - /* Flush input queue on first open */ -- if (!sonypi_device.open_count) -+ if (!local_read(&sonypi_device.open_count)) - kfifo_reset(&sonypi_device.fifo); -- sonypi_device.open_count++; -+ local_inc(&sonypi_device.open_count); - mutex_unlock(&sonypi_device.lock); - - return 0; -diff -urNp linux-2.6.39.3/drivers/char/tpm/tpm_bios.c linux-2.6.39.3/drivers/char/tpm/tpm_bios.c ---- linux-2.6.39.3/drivers/char/tpm/tpm_bios.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/char/tpm/tpm_bios.c 2011-05-22 19:36:31.000000000 -0400 -@@ -173,7 +173,7 @@ static void *tpm_bios_measurements_start - event = addr; - - if ((event->event_type == 0 && event->event_size == 0) || -- ((addr + sizeof(struct tcpa_event) + event->event_size) >= limit)) -+ (event->event_size >= limit - addr - sizeof(struct tcpa_event))) - return NULL; - - return addr; -@@ -198,7 +198,7 @@ static void *tpm_bios_measurements_next( - return NULL; - - if ((event->event_type == 0 && event->event_size == 0) || -- ((v + sizeof(struct tcpa_event) + event->event_size) >= limit)) -+ (event->event_size >= limit - v - sizeof(struct tcpa_event))) - return NULL; - - (*pos)++; -@@ -291,7 +291,8 @@ static int tpm_binary_bios_measurements_ - int i; - - for (i = 0; i < sizeof(struct tcpa_event) + event->event_size; i++) -- seq_putc(m, data[i]); -+ if (!seq_putc(m, data[i])) -+ return -EFAULT; - - return 0; - } -@@ -410,6 +411,11 @@ static int read_log(struct tpm_bios_log - log->bios_event_log_end = log->bios_event_log + len; - - virt = acpi_os_map_memory(start, len); -+ if (!virt) { -+ kfree(log->bios_event_log); -+ log->bios_event_log = NULL; -+ return -EFAULT; -+ } - - memcpy(log->bios_event_log, virt, len); - -diff -urNp linux-2.6.39.3/drivers/char/tpm/tpm.c linux-2.6.39.3/drivers/char/tpm/tpm.c ---- linux-2.6.39.3/drivers/char/tpm/tpm.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/char/tpm/tpm.c 2011-05-22 19:36:31.000000000 -0400 -@@ -411,7 +411,7 @@ static ssize_t tpm_transmit(struct tpm_c - chip->vendor.req_complete_val) - goto out_recv; - -- if ((status == chip->vendor.req_canceled)) { -+ if (status == chip->vendor.req_canceled) { - dev_err(chip->dev, "Operation Canceled\n"); - rc = -ECANCELED; - goto out; -@@ -844,6 +844,8 @@ ssize_t tpm_show_pubek(struct device *de - - struct tpm_chip *chip = dev_get_drvdata(dev); - -+ pax_track_stack(); -+ - tpm_cmd.header.in = tpm_readpubek_header; - err = transmit_cmd(chip, &tpm_cmd, READ_PUBEK_RESULT_SIZE, - "attempting to read the PUBEK"); -diff -urNp linux-2.6.39.3/drivers/char/ttyprintk.c linux-2.6.39.3/drivers/char/ttyprintk.c ---- linux-2.6.39.3/drivers/char/ttyprintk.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/char/ttyprintk.c 2011-05-22 19:36:31.000000000 -0400 -@@ -170,7 +170,7 @@ static const struct tty_operations ttypr - .ioctl = tpk_ioctl, - }; - --struct tty_port_operations null_ops = { }; -+const struct tty_port_operations null_ops = { }; - - static struct tty_driver *ttyprintk_driver; - -diff -urNp linux-2.6.39.3/drivers/char/xilinx_hwicap/xilinx_hwicap.c linux-2.6.39.3/drivers/char/xilinx_hwicap/xilinx_hwicap.c ---- linux-2.6.39.3/drivers/char/xilinx_hwicap/xilinx_hwicap.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/char/xilinx_hwicap/xilinx_hwicap.c 2011-05-22 19:36:31.000000000 -0400 -@@ -678,14 +678,14 @@ static int __devinit hwicap_setup(struct - return retval; - } - --static struct hwicap_driver_config buffer_icap_config = { -+static const struct hwicap_driver_config buffer_icap_config = { - .get_configuration = buffer_icap_get_configuration, - .set_configuration = buffer_icap_set_configuration, - .get_status = buffer_icap_get_status, - .reset = buffer_icap_reset, - }; - --static struct hwicap_driver_config fifo_icap_config = { -+static const struct hwicap_driver_config fifo_icap_config = { - .get_configuration = fifo_icap_get_configuration, - .set_configuration = fifo_icap_set_configuration, - .get_status = fifo_icap_get_status, -diff -urNp linux-2.6.39.3/drivers/crypto/hifn_795x.c linux-2.6.39.3/drivers/crypto/hifn_795x.c ---- linux-2.6.39.3/drivers/crypto/hifn_795x.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/crypto/hifn_795x.c 2011-05-22 19:36:31.000000000 -0400 -@@ -1655,6 +1655,8 @@ static int hifn_test(struct hifn_device - 0xCA, 0x34, 0x2B, 0x2E}; - struct scatterlist sg; - -+ pax_track_stack(); -+ - memset(src, 0, sizeof(src)); - memset(ctx.key, 0, sizeof(ctx.key)); - -diff -urNp linux-2.6.39.3/drivers/crypto/padlock-aes.c linux-2.6.39.3/drivers/crypto/padlock-aes.c ---- linux-2.6.39.3/drivers/crypto/padlock-aes.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/crypto/padlock-aes.c 2011-05-22 19:36:31.000000000 -0400 -@@ -109,6 +109,8 @@ static int aes_set_key(struct crypto_tfm - struct crypto_aes_ctx gen_aes; - int cpu; - -+ pax_track_stack(); -+ - if (key_len % 8) { - *flags |= CRYPTO_TFM_RES_BAD_KEY_LEN; - return -EINVAL; -diff -urNp linux-2.6.39.3/drivers/dca/dca-core.c linux-2.6.39.3/drivers/dca/dca-core.c ---- linux-2.6.39.3/drivers/dca/dca-core.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/dca/dca-core.c 2011-05-22 19:36:31.000000000 -0400 -@@ -325,7 +325,7 @@ EXPORT_SYMBOL_GPL(dca_get_tag); - * @ops - pointer to struct of dca operation function pointers - * @priv_size - size of extra mem to be added for provider's needs - */ --struct dca_provider *alloc_dca_provider(struct dca_ops *ops, int priv_size) -+struct dca_provider *alloc_dca_provider(const struct dca_ops *ops, int priv_size) - { - struct dca_provider *dca; - int alloc_size; -diff -urNp linux-2.6.39.3/drivers/dma/ioat/dca.c linux-2.6.39.3/drivers/dma/ioat/dca.c ---- linux-2.6.39.3/drivers/dma/ioat/dca.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/dma/ioat/dca.c 2011-05-22 19:36:31.000000000 -0400 -@@ -234,7 +234,7 @@ static int ioat_dca_dev_managed(struct d - return 0; - } - --static struct dca_ops ioat_dca_ops = { -+static const struct dca_ops ioat_dca_ops = { - .add_requester = ioat_dca_add_requester, - .remove_requester = ioat_dca_remove_requester, - .get_tag = ioat_dca_get_tag, -@@ -384,7 +384,7 @@ static u8 ioat2_dca_get_tag(struct dca_p - return tag; - } - --static struct dca_ops ioat2_dca_ops = { -+static const struct dca_ops ioat2_dca_ops = { - .add_requester = ioat2_dca_add_requester, - .remove_requester = ioat2_dca_remove_requester, - .get_tag = ioat2_dca_get_tag, -@@ -579,7 +579,7 @@ static u8 ioat3_dca_get_tag(struct dca_p - return tag; - } - --static struct dca_ops ioat3_dca_ops = { -+static const struct dca_ops ioat3_dca_ops = { - .add_requester = ioat3_dca_add_requester, - .remove_requester = ioat3_dca_remove_requester, - .get_tag = ioat3_dca_get_tag, -diff -urNp linux-2.6.39.3/drivers/edac/amd64_edac.h linux-2.6.39.3/drivers/edac/amd64_edac.h ---- linux-2.6.39.3/drivers/edac/amd64_edac.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/edac/amd64_edac.h 2011-05-22 19:36:31.000000000 -0400 -@@ -333,7 +333,7 @@ struct chip_select { - }; - - struct amd64_pvt { -- struct low_ops *ops; -+ const struct low_ops *ops; - - /* pci_device handles which we utilize */ - struct pci_dev *F1, *F2, *F3; -@@ -443,7 +443,7 @@ struct low_ops { - struct amd64_family_type { - const char *ctl_name; - u16 f1_id, f3_id; -- struct low_ops ops; -+ const struct low_ops ops; - }; - - int __amd64_write_pci_cfg_dword(struct pci_dev *pdev, int offset, -diff -urNp linux-2.6.39.3/drivers/edac/edac_mc_sysfs.c linux-2.6.39.3/drivers/edac/edac_mc_sysfs.c ---- linux-2.6.39.3/drivers/edac/edac_mc_sysfs.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/edac/edac_mc_sysfs.c 2011-05-22 19:36:31.000000000 -0400 -@@ -760,7 +760,7 @@ static void edac_inst_grp_release(struct - } - - /* Intermediate show/store table */ --static struct sysfs_ops inst_grp_ops = { -+static const struct sysfs_ops inst_grp_ops = { - .show = inst_grp_show, - .store = inst_grp_store - }; -diff -urNp linux-2.6.39.3/drivers/edac/edac_pci_sysfs.c linux-2.6.39.3/drivers/edac/edac_pci_sysfs.c ---- linux-2.6.39.3/drivers/edac/edac_pci_sysfs.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/edac/edac_pci_sysfs.c 2011-05-22 19:36:31.000000000 -0400 -@@ -26,8 +26,8 @@ static int edac_pci_log_pe = 1; /* log - static int edac_pci_log_npe = 1; /* log PCI non-parity error errors */ - static int edac_pci_poll_msec = 1000; /* one second workq period */ - --static atomic_t pci_parity_count = ATOMIC_INIT(0); --static atomic_t pci_nonparity_count = ATOMIC_INIT(0); -+static atomic_unchecked_t pci_parity_count = ATOMIC_INIT(0); -+static atomic_unchecked_t pci_nonparity_count = ATOMIC_INIT(0); - - static struct kobject *edac_pci_top_main_kobj; - static atomic_t edac_pci_sysfs_refcount = ATOMIC_INIT(0); -@@ -582,7 +582,7 @@ static void edac_pci_dev_parity_test(str - edac_printk(KERN_CRIT, EDAC_PCI, - "Signaled System Error on %s\n", - pci_name(dev)); -- atomic_inc(&pci_nonparity_count); -+ atomic_inc_unchecked(&pci_nonparity_count); - } - - if (status & (PCI_STATUS_PARITY)) { -@@ -590,7 +590,7 @@ static void edac_pci_dev_parity_test(str - "Master Data Parity Error on %s\n", - pci_name(dev)); - -- atomic_inc(&pci_parity_count); -+ atomic_inc_unchecked(&pci_parity_count); - } - - if (status & (PCI_STATUS_DETECTED_PARITY)) { -@@ -598,7 +598,7 @@ static void edac_pci_dev_parity_test(str - "Detected Parity Error on %s\n", - pci_name(dev)); - -- atomic_inc(&pci_parity_count); -+ atomic_inc_unchecked(&pci_parity_count); - } - } - -@@ -619,7 +619,7 @@ static void edac_pci_dev_parity_test(str - edac_printk(KERN_CRIT, EDAC_PCI, "Bridge " - "Signaled System Error on %s\n", - pci_name(dev)); -- atomic_inc(&pci_nonparity_count); -+ atomic_inc_unchecked(&pci_nonparity_count); - } - - if (status & (PCI_STATUS_PARITY)) { -@@ -627,7 +627,7 @@ static void edac_pci_dev_parity_test(str - "Master Data Parity Error on " - "%s\n", pci_name(dev)); - -- atomic_inc(&pci_parity_count); -+ atomic_inc_unchecked(&pci_parity_count); - } - - if (status & (PCI_STATUS_DETECTED_PARITY)) { -@@ -635,7 +635,7 @@ static void edac_pci_dev_parity_test(str - "Detected Parity Error on %s\n", - pci_name(dev)); - -- atomic_inc(&pci_parity_count); -+ atomic_inc_unchecked(&pci_parity_count); - } - } - } -@@ -677,7 +677,7 @@ void edac_pci_do_parity_check(void) - if (!check_pci_errors) - return; - -- before_count = atomic_read(&pci_parity_count); -+ before_count = atomic_read_unchecked(&pci_parity_count); - - /* scan all PCI devices looking for a Parity Error on devices and - * bridges. -@@ -689,7 +689,7 @@ void edac_pci_do_parity_check(void) - /* Only if operator has selected panic on PCI Error */ - if (edac_pci_get_panic_on_pe()) { - /* If the count is different 'after' from 'before' */ -- if (before_count != atomic_read(&pci_parity_count)) -+ if (before_count != atomic_read_unchecked(&pci_parity_count)) - panic("EDAC: PCI Parity Error"); - } - } -diff -urNp linux-2.6.39.3/drivers/edac/i7core_edac.c linux-2.6.39.3/drivers/edac/i7core_edac.c ---- linux-2.6.39.3/drivers/edac/i7core_edac.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/edac/i7core_edac.c 2011-07-06 20:00:14.000000000 -0400 -@@ -1670,7 +1670,7 @@ static void i7core_mce_output_error(stru - char *type, *optype, *err, *msg; - unsigned long error = m->status & 0x1ff0000l; - u32 optypenum = (m->status >> 4) & 0x07; -- u32 core_err_cnt = (m->status >> 38) && 0x7fff; -+ u32 core_err_cnt = (m->status >> 38) & 0x7fff; - u32 dimm = (m->misc >> 16) & 0x3; - u32 channel = (m->misc >> 18) & 0x3; - u32 syndrome = m->misc >> 32; -diff -urNp linux-2.6.39.3/drivers/firewire/core-cdev.c linux-2.6.39.3/drivers/firewire/core-cdev.c ---- linux-2.6.39.3/drivers/firewire/core-cdev.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/firewire/core-cdev.c 2011-05-22 19:36:31.000000000 -0400 -@@ -1312,8 +1312,7 @@ static int init_iso_resource(struct clie - int ret; - - if ((request->channels == 0 && request->bandwidth == 0) || -- request->bandwidth > BANDWIDTH_AVAILABLE_INITIAL || -- request->bandwidth < 0) -+ request->bandwidth > BANDWIDTH_AVAILABLE_INITIAL) - return -EINVAL; - - r = kmalloc(sizeof(*r), GFP_KERNEL); -diff -urNp linux-2.6.39.3/drivers/firewire/core-transaction.c linux-2.6.39.3/drivers/firewire/core-transaction.c ---- linux-2.6.39.3/drivers/firewire/core-transaction.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/firewire/core-transaction.c 2011-05-22 19:36:31.000000000 -0400 -@@ -36,6 +36,7 @@ - #include <linux/string.h> - #include <linux/timer.h> - #include <linux/types.h> -+#include <linux/sched.h> - - #include <asm/byteorder.h> - -@@ -420,6 +421,8 @@ int fw_run_transaction(struct fw_card *c - struct transaction_callback_data d; - struct fw_transaction t; - -+ pax_track_stack(); -+ - init_timer_on_stack(&t.split_timeout_timer); - init_completion(&d.done); - d.payload = payload; -diff -urNp linux-2.6.39.3/drivers/firmware/dmi_scan.c linux-2.6.39.3/drivers/firmware/dmi_scan.c ---- linux-2.6.39.3/drivers/firmware/dmi_scan.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/firmware/dmi_scan.c 2011-05-22 19:36:31.000000000 -0400 -@@ -449,11 +449,6 @@ void __init dmi_scan_machine(void) - } - } - else { -- /* -- * no iounmap() for that ioremap(); it would be a no-op, but -- * it's so early in setup that sucker gets confused into doing -- * what it shouldn't if we actually call it. -- */ - p = dmi_ioremap(0xF0000, 0x10000); - if (p == NULL) - goto error; -diff -urNp linux-2.6.39.3/drivers/gpio/vr41xx_giu.c linux-2.6.39.3/drivers/gpio/vr41xx_giu.c ---- linux-2.6.39.3/drivers/gpio/vr41xx_giu.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/gpio/vr41xx_giu.c 2011-05-22 19:36:31.000000000 -0400 -@@ -204,7 +204,7 @@ static int giu_get_irq(unsigned int irq) - printk(KERN_ERR "spurious GIU interrupt: %04x(%04x),%04x(%04x)\n", - maskl, pendl, maskh, pendh); - -- atomic_inc(&irq_err_count); -+ atomic_inc_unchecked(&irq_err_count); - - return -EINVAL; - } -diff -urNp linux-2.6.39.3/drivers/gpu/drm/drm_crtc_helper.c linux-2.6.39.3/drivers/gpu/drm/drm_crtc_helper.c ---- linux-2.6.39.3/drivers/gpu/drm/drm_crtc_helper.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/gpu/drm/drm_crtc_helper.c 2011-05-22 19:36:31.000000000 -0400 -@@ -276,7 +276,7 @@ static bool drm_encoder_crtc_ok(struct d - struct drm_crtc *tmp; - int crtc_mask = 1; - -- WARN(!crtc, "checking null crtc?\n"); -+ BUG_ON(!crtc); - - dev = crtc->dev; - -@@ -343,6 +343,8 @@ bool drm_crtc_helper_set_mode(struct drm - struct drm_encoder *encoder; - bool ret = true; - -+ pax_track_stack(); -+ - crtc->enabled = drm_helper_crtc_in_use(crtc); - if (!crtc->enabled) - return true; -diff -urNp linux-2.6.39.3/drivers/gpu/drm/drm_drv.c linux-2.6.39.3/drivers/gpu/drm/drm_drv.c ---- linux-2.6.39.3/drivers/gpu/drm/drm_drv.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/gpu/drm/drm_drv.c 2011-05-22 19:36:31.000000000 -0400 -@@ -386,7 +386,7 @@ long drm_ioctl(struct file *filp, - - dev = file_priv->minor->dev; - atomic_inc(&dev->ioctl_count); -- atomic_inc(&dev->counts[_DRM_STAT_IOCTLS]); -+ atomic_inc_unchecked(&dev->counts[_DRM_STAT_IOCTLS]); - ++file_priv->ioctl_count; - - DRM_DEBUG("pid=%d, cmd=0x%02x, nr=0x%02x, dev 0x%lx, auth=%d\n", -diff -urNp linux-2.6.39.3/drivers/gpu/drm/drm_fops.c linux-2.6.39.3/drivers/gpu/drm/drm_fops.c ---- linux-2.6.39.3/drivers/gpu/drm/drm_fops.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/gpu/drm/drm_fops.c 2011-05-22 19:36:31.000000000 -0400 -@@ -70,7 +70,7 @@ static int drm_setup(struct drm_device * - } - - for (i = 0; i < ARRAY_SIZE(dev->counts); i++) -- atomic_set(&dev->counts[i], 0); -+ atomic_set_unchecked(&dev->counts[i], 0); - - dev->sigdata.lock = NULL; - -@@ -134,8 +134,8 @@ int drm_open(struct inode *inode, struct - - retcode = drm_open_helper(inode, filp, dev); - if (!retcode) { -- atomic_inc(&dev->counts[_DRM_STAT_OPENS]); -- if (!dev->open_count++) -+ atomic_inc_unchecked(&dev->counts[_DRM_STAT_OPENS]); -+ if (local_inc_return(&dev->open_count) == 1) - retcode = drm_setup(dev); - } - if (!retcode) { -@@ -472,7 +472,7 @@ int drm_release(struct inode *inode, str - - mutex_lock(&drm_global_mutex); - -- DRM_DEBUG("open_count = %d\n", dev->open_count); -+ DRM_DEBUG("open_count = %d\n", local_read(&dev->open_count)); - - if (dev->driver->preclose) - dev->driver->preclose(dev, file_priv); -@@ -484,7 +484,7 @@ int drm_release(struct inode *inode, str - DRM_DEBUG("pid = %d, device = 0x%lx, open_count = %d\n", - task_pid_nr(current), - (long)old_encode_dev(file_priv->minor->device), -- dev->open_count); -+ local_read(&dev->open_count)); - - /* if the master has gone away we can't do anything with the lock */ - if (file_priv->minor->master) -@@ -565,8 +565,8 @@ int drm_release(struct inode *inode, str - * End inline drm_release - */ - -- atomic_inc(&dev->counts[_DRM_STAT_CLOSES]); -- if (!--dev->open_count) { -+ atomic_inc_unchecked(&dev->counts[_DRM_STAT_CLOSES]); -+ if (local_dec_and_test(&dev->open_count)) { - if (atomic_read(&dev->ioctl_count)) { - DRM_ERROR("Device busy: %d\n", - atomic_read(&dev->ioctl_count)); -diff -urNp linux-2.6.39.3/drivers/gpu/drm/drm_global.c linux-2.6.39.3/drivers/gpu/drm/drm_global.c ---- linux-2.6.39.3/drivers/gpu/drm/drm_global.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/gpu/drm/drm_global.c 2011-05-22 19:36:31.000000000 -0400 -@@ -36,7 +36,7 @@ - struct drm_global_item { - struct mutex mutex; - void *object; -- int refcount; -+ atomic_t refcount; - }; - - static struct drm_global_item glob[DRM_GLOBAL_NUM]; -@@ -49,7 +49,7 @@ void drm_global_init(void) - struct drm_global_item *item = &glob[i]; - mutex_init(&item->mutex); - item->object = NULL; -- item->refcount = 0; -+ atomic_set(&item->refcount, 0); - } - } - -@@ -59,7 +59,7 @@ void drm_global_release(void) - for (i = 0; i < DRM_GLOBAL_NUM; ++i) { - struct drm_global_item *item = &glob[i]; - BUG_ON(item->object != NULL); -- BUG_ON(item->refcount != 0); -+ BUG_ON(atomic_read(&item->refcount) != 0); - } - } - -@@ -70,7 +70,7 @@ int drm_global_item_ref(struct drm_globa - void *object; - - mutex_lock(&item->mutex); -- if (item->refcount == 0) { -+ if (atomic_read(&item->refcount) == 0) { - item->object = kzalloc(ref->size, GFP_KERNEL); - if (unlikely(item->object == NULL)) { - ret = -ENOMEM; -@@ -83,7 +83,7 @@ int drm_global_item_ref(struct drm_globa - goto out_err; - - } -- ++item->refcount; -+ atomic_inc(&item->refcount); - ref->object = item->object; - object = item->object; - mutex_unlock(&item->mutex); -@@ -100,9 +100,9 @@ void drm_global_item_unref(struct drm_gl - struct drm_global_item *item = &glob[ref->global_type]; - - mutex_lock(&item->mutex); -- BUG_ON(item->refcount == 0); -+ BUG_ON(atomic_read(&item->refcount) == 0); - BUG_ON(ref->object != item->object); -- if (--item->refcount == 0) { -+ if (atomic_dec_and_test(&item->refcount)) { - ref->release(ref); - item->object = NULL; - } -diff -urNp linux-2.6.39.3/drivers/gpu/drm/drm_info.c linux-2.6.39.3/drivers/gpu/drm/drm_info.c ---- linux-2.6.39.3/drivers/gpu/drm/drm_info.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/gpu/drm/drm_info.c 2011-05-22 19:41:37.000000000 -0400 -@@ -75,10 +75,14 @@ int drm_vm_info(struct seq_file *m, void - struct drm_local_map *map; - struct drm_map_list *r_list; - -- /* Hardcoded from _DRM_FRAME_BUFFER, -- _DRM_REGISTERS, _DRM_SHM, _DRM_AGP, and -- _DRM_SCATTER_GATHER and _DRM_CONSISTENT */ -- const char *types[] = { "FB", "REG", "SHM", "AGP", "SG", "PCI" }; -+ static const char * const types[] = { -+ [_DRM_FRAME_BUFFER] = "FB", -+ [_DRM_REGISTERS] = "REG", -+ [_DRM_SHM] = "SHM", -+ [_DRM_AGP] = "AGP", -+ [_DRM_SCATTER_GATHER] = "SG", -+ [_DRM_CONSISTENT] = "PCI", -+ [_DRM_GEM] = "GEM" }; - const char *type; - int i; - -@@ -89,7 +93,7 @@ int drm_vm_info(struct seq_file *m, void - map = r_list->map; - if (!map) - continue; -- if (map->type < 0 || map->type > 5) -+ if (map->type >= ARRAY_SIZE(types)) - type = "??"; - else - type = types[map->type]; -@@ -290,7 +294,11 @@ int drm_vma_info(struct seq_file *m, voi - vma->vm_flags & VM_MAYSHARE ? 's' : 'p', - vma->vm_flags & VM_LOCKED ? 'l' : '-', - vma->vm_flags & VM_IO ? 'i' : '-', -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+ 0); -+#else - vma->vm_pgoff); -+#endif - - #if defined(__i386__) - pgprot = pgprot_val(vma->vm_page_prot); -diff -urNp linux-2.6.39.3/drivers/gpu/drm/drm_ioctl.c linux-2.6.39.3/drivers/gpu/drm/drm_ioctl.c ---- linux-2.6.39.3/drivers/gpu/drm/drm_ioctl.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/gpu/drm/drm_ioctl.c 2011-05-22 19:36:31.000000000 -0400 -@@ -256,7 +256,7 @@ int drm_getstats(struct drm_device *dev, - stats->data[i].value = - (file_priv->master->lock.hw_lock ? file_priv->master->lock.hw_lock->lock : 0); - else -- stats->data[i].value = atomic_read(&dev->counts[i]); -+ stats->data[i].value = atomic_read_unchecked(&dev->counts[i]); - stats->data[i].type = dev->types[i]; - } - -diff -urNp linux-2.6.39.3/drivers/gpu/drm/drm_lock.c linux-2.6.39.3/drivers/gpu/drm/drm_lock.c ---- linux-2.6.39.3/drivers/gpu/drm/drm_lock.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/gpu/drm/drm_lock.c 2011-05-22 19:36:31.000000000 -0400 -@@ -89,7 +89,7 @@ int drm_lock(struct drm_device *dev, voi - if (drm_lock_take(&master->lock, lock->context)) { - master->lock.file_priv = file_priv; - master->lock.lock_time = jiffies; -- atomic_inc(&dev->counts[_DRM_STAT_LOCKS]); -+ atomic_inc_unchecked(&dev->counts[_DRM_STAT_LOCKS]); - break; /* Got lock */ - } - -@@ -160,7 +160,7 @@ int drm_unlock(struct drm_device *dev, v - return -EINVAL; - } - -- atomic_inc(&dev->counts[_DRM_STAT_UNLOCKS]); -+ atomic_inc_unchecked(&dev->counts[_DRM_STAT_UNLOCKS]); - - if (drm_lock_free(&master->lock, lock->context)) { - /* FIXME: Should really bail out here. */ -diff -urNp linux-2.6.39.3/drivers/gpu/drm/i810/i810_dma.c linux-2.6.39.3/drivers/gpu/drm/i810/i810_dma.c ---- linux-2.6.39.3/drivers/gpu/drm/i810/i810_dma.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/gpu/drm/i810/i810_dma.c 2011-05-22 19:36:31.000000000 -0400 -@@ -950,8 +950,8 @@ static int i810_dma_vertex(struct drm_de - dma->buflist[vertex->idx], - vertex->discard, vertex->used); - -- atomic_add(vertex->used, &dev->counts[_DRM_STAT_SECONDARY]); -- atomic_inc(&dev->counts[_DRM_STAT_DMA]); -+ atomic_add_unchecked(vertex->used, &dev->counts[_DRM_STAT_SECONDARY]); -+ atomic_inc_unchecked(&dev->counts[_DRM_STAT_DMA]); - sarea_priv->last_enqueue = dev_priv->counter - 1; - sarea_priv->last_dispatch = (int)hw_status[5]; - -@@ -1111,8 +1111,8 @@ static int i810_dma_mc(struct drm_device - i810_dma_dispatch_mc(dev, dma->buflist[mc->idx], mc->used, - mc->last_render); - -- atomic_add(mc->used, &dev->counts[_DRM_STAT_SECONDARY]); -- atomic_inc(&dev->counts[_DRM_STAT_DMA]); -+ atomic_add_unchecked(mc->used, &dev->counts[_DRM_STAT_SECONDARY]); -+ atomic_inc_unchecked(&dev->counts[_DRM_STAT_DMA]); - sarea_priv->last_enqueue = dev_priv->counter - 1; - sarea_priv->last_dispatch = (int)hw_status[5]; - -diff -urNp linux-2.6.39.3/drivers/gpu/drm/i810/i810_drv.h linux-2.6.39.3/drivers/gpu/drm/i810/i810_drv.h ---- linux-2.6.39.3/drivers/gpu/drm/i810/i810_drv.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/gpu/drm/i810/i810_drv.h 2011-05-22 19:36:31.000000000 -0400 -@@ -108,8 +108,8 @@ typedef struct drm_i810_private { - int page_flipping; - - wait_queue_head_t irq_queue; -- atomic_t irq_received; -- atomic_t irq_emitted; -+ atomic_unchecked_t irq_received; -+ atomic_unchecked_t irq_emitted; - - int front_offset; - } drm_i810_private_t; -diff -urNp linux-2.6.39.3/drivers/gpu/drm/i915/dvo_ch7017.c linux-2.6.39.3/drivers/gpu/drm/i915/dvo_ch7017.c ---- linux-2.6.39.3/drivers/gpu/drm/i915/dvo_ch7017.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/gpu/drm/i915/dvo_ch7017.c 2011-05-22 19:36:31.000000000 -0400 -@@ -390,7 +390,7 @@ static void ch7017_destroy(struct intel_ - } - } - --struct intel_dvo_dev_ops ch7017_ops = { -+const struct intel_dvo_dev_ops ch7017_ops = { - .init = ch7017_init, - .detect = ch7017_detect, - .mode_valid = ch7017_mode_valid, -diff -urNp linux-2.6.39.3/drivers/gpu/drm/i915/dvo_ch7xxx.c linux-2.6.39.3/drivers/gpu/drm/i915/dvo_ch7xxx.c ---- linux-2.6.39.3/drivers/gpu/drm/i915/dvo_ch7xxx.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/gpu/drm/i915/dvo_ch7xxx.c 2011-05-22 19:36:31.000000000 -0400 -@@ -320,7 +320,7 @@ static void ch7xxx_destroy(struct intel_ - } - } - --struct intel_dvo_dev_ops ch7xxx_ops = { -+const struct intel_dvo_dev_ops ch7xxx_ops = { - .init = ch7xxx_init, - .detect = ch7xxx_detect, - .mode_valid = ch7xxx_mode_valid, -diff -urNp linux-2.6.39.3/drivers/gpu/drm/i915/dvo.h linux-2.6.39.3/drivers/gpu/drm/i915/dvo.h ---- linux-2.6.39.3/drivers/gpu/drm/i915/dvo.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/gpu/drm/i915/dvo.h 2011-05-22 19:36:31.000000000 -0400 -@@ -122,23 +122,23 @@ struct intel_dvo_dev_ops { - * - * \return singly-linked list of modes or NULL if no modes found. - */ -- struct drm_display_mode *(*get_modes)(struct intel_dvo_device *dvo); -+ struct drm_display_mode *(* const get_modes)(struct intel_dvo_device *dvo); - - /** - * Clean up driver-specific bits of the output - */ -- void (*destroy) (struct intel_dvo_device *dvo); -+ void (* const destroy) (struct intel_dvo_device *dvo); - - /** - * Debugging hook to dump device registers to log file - */ -- void (*dump_regs)(struct intel_dvo_device *dvo); -+ void (* const dump_regs)(struct intel_dvo_device *dvo); - }; - --extern struct intel_dvo_dev_ops sil164_ops; --extern struct intel_dvo_dev_ops ch7xxx_ops; --extern struct intel_dvo_dev_ops ivch_ops; --extern struct intel_dvo_dev_ops tfp410_ops; --extern struct intel_dvo_dev_ops ch7017_ops; -+extern const struct intel_dvo_dev_ops sil164_ops; -+extern const struct intel_dvo_dev_ops ch7xxx_ops; -+extern const struct intel_dvo_dev_ops ivch_ops; -+extern const struct intel_dvo_dev_ops tfp410_ops; -+extern const struct intel_dvo_dev_ops ch7017_ops; - - #endif /* _INTEL_DVO_H */ -diff -urNp linux-2.6.39.3/drivers/gpu/drm/i915/dvo_ivch.c linux-2.6.39.3/drivers/gpu/drm/i915/dvo_ivch.c ---- linux-2.6.39.3/drivers/gpu/drm/i915/dvo_ivch.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/gpu/drm/i915/dvo_ivch.c 2011-05-22 19:36:31.000000000 -0400 -@@ -410,7 +410,7 @@ static void ivch_destroy(struct intel_dv - } - } - --struct intel_dvo_dev_ops ivch_ops= { -+const struct intel_dvo_dev_ops ivch_ops= { - .init = ivch_init, - .dpms = ivch_dpms, - .mode_valid = ivch_mode_valid, -diff -urNp linux-2.6.39.3/drivers/gpu/drm/i915/dvo_sil164.c linux-2.6.39.3/drivers/gpu/drm/i915/dvo_sil164.c ---- linux-2.6.39.3/drivers/gpu/drm/i915/dvo_sil164.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/gpu/drm/i915/dvo_sil164.c 2011-05-22 19:36:31.000000000 -0400 -@@ -252,7 +252,7 @@ static void sil164_destroy(struct intel_ - } - } - --struct intel_dvo_dev_ops sil164_ops = { -+const struct intel_dvo_dev_ops sil164_ops = { - .init = sil164_init, - .detect = sil164_detect, - .mode_valid = sil164_mode_valid, -diff -urNp linux-2.6.39.3/drivers/gpu/drm/i915/dvo_tfp410.c linux-2.6.39.3/drivers/gpu/drm/i915/dvo_tfp410.c ---- linux-2.6.39.3/drivers/gpu/drm/i915/dvo_tfp410.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/gpu/drm/i915/dvo_tfp410.c 2011-05-22 19:36:31.000000000 -0400 -@@ -293,7 +293,7 @@ static void tfp410_destroy(struct intel_ - } - } - --struct intel_dvo_dev_ops tfp410_ops = { -+const struct intel_dvo_dev_ops tfp410_ops = { - .init = tfp410_init, - .detect = tfp410_detect, - .mode_valid = tfp410_mode_valid, -diff -urNp linux-2.6.39.3/drivers/gpu/drm/i915/i915_debugfs.c linux-2.6.39.3/drivers/gpu/drm/i915/i915_debugfs.c ---- linux-2.6.39.3/drivers/gpu/drm/i915/i915_debugfs.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/gpu/drm/i915/i915_debugfs.c 2011-05-22 19:36:31.000000000 -0400 -@@ -496,7 +496,7 @@ static int i915_interrupt_info(struct se - I915_READ(GTIMR)); - } - seq_printf(m, "Interrupts received: %d\n", -- atomic_read(&dev_priv->irq_received)); -+ atomic_read_unchecked(&dev_priv->irq_received)); - for (i = 0; i < I915_NUM_RINGS; i++) { - if (IS_GEN6(dev)) { - seq_printf(m, "Graphics Interrupt mask (%s): %08x\n", -diff -urNp linux-2.6.39.3/drivers/gpu/drm/i915/i915_dma.c linux-2.6.39.3/drivers/gpu/drm/i915/i915_dma.c ---- linux-2.6.39.3/drivers/gpu/drm/i915/i915_dma.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/gpu/drm/i915/i915_dma.c 2011-05-22 19:36:31.000000000 -0400 -@@ -1171,7 +1171,7 @@ static bool i915_switcheroo_can_switch(s - bool can_switch; - - spin_lock(&dev->count_lock); -- can_switch = (dev->open_count == 0); -+ can_switch = (local_read(&dev->open_count) == 0); - spin_unlock(&dev->count_lock); - return can_switch; - } -diff -urNp linux-2.6.39.3/drivers/gpu/drm/i915/i915_drv.c linux-2.6.39.3/drivers/gpu/drm/i915/i915_drv.c ---- linux-2.6.39.3/drivers/gpu/drm/i915/i915_drv.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/gpu/drm/i915/i915_drv.c 2011-05-22 19:36:31.000000000 -0400 -@@ -679,7 +679,7 @@ static const struct dev_pm_ops i915_pm_o - .restore = i915_pm_resume, - }; - --static struct vm_operations_struct i915_gem_vm_ops = { -+static const struct vm_operations_struct i915_gem_vm_ops = { - .fault = i915_gem_fault, - .open = drm_gem_vm_open, - .close = drm_gem_vm_close, -diff -urNp linux-2.6.39.3/drivers/gpu/drm/i915/i915_drv.h linux-2.6.39.3/drivers/gpu/drm/i915/i915_drv.h ---- linux-2.6.39.3/drivers/gpu/drm/i915/i915_drv.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/gpu/drm/i915/i915_drv.h 2011-05-22 19:36:31.000000000 -0400 -@@ -287,7 +287,7 @@ typedef struct drm_i915_private { - int current_page; - int page_flipping; - -- atomic_t irq_received; -+ atomic_unchecked_t irq_received; - - /* protects the irq masks */ - spinlock_t irq_lock; -@@ -848,7 +848,7 @@ struct drm_i915_gem_object { - * will be page flipped away on the next vblank. When it - * reaches 0, dev_priv->pending_flip_queue will be woken up. - */ -- atomic_t pending_flip; -+ atomic_unchecked_t pending_flip; - }; - - #define to_intel_bo(x) container_of(x, struct drm_i915_gem_object, base) -@@ -1232,7 +1232,7 @@ extern int intel_setup_gmbus(struct drm_ - extern void intel_teardown_gmbus(struct drm_device *dev); - extern void intel_gmbus_set_speed(struct i2c_adapter *adapter, int speed); - extern void intel_gmbus_force_bit(struct i2c_adapter *adapter, bool force_bit); --extern inline bool intel_gmbus_is_forced_bit(struct i2c_adapter *adapter) -+static inline bool intel_gmbus_is_forced_bit(struct i2c_adapter *adapter) - { - return container_of(adapter, struct intel_gmbus, adapter)->force_bit; - } -diff -urNp linux-2.6.39.3/drivers/gpu/drm/i915/i915_gem_execbuffer.c linux-2.6.39.3/drivers/gpu/drm/i915/i915_gem_execbuffer.c ---- linux-2.6.39.3/drivers/gpu/drm/i915/i915_gem_execbuffer.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/gpu/drm/i915/i915_gem_execbuffer.c 2011-05-22 19:36:31.000000000 -0400 -@@ -192,7 +192,7 @@ i915_gem_object_set_to_gpu_domain(struct - i915_gem_release_mmap(obj); - - if (obj->base.pending_write_domain) -- cd->flips |= atomic_read(&obj->pending_flip); -+ cd->flips |= atomic_read_unchecked(&obj->pending_flip); - - /* The actual obj->write_domain will be updated with - * pending_write_domain after we emit the accumulated flush for all -diff -urNp linux-2.6.39.3/drivers/gpu/drm/i915/i915_irq.c linux-2.6.39.3/drivers/gpu/drm/i915/i915_irq.c ---- linux-2.6.39.3/drivers/gpu/drm/i915/i915_irq.c 2011-07-09 09:18:51.000000000 -0400 -+++ linux-2.6.39.3/drivers/gpu/drm/i915/i915_irq.c 2011-07-09 09:19:18.000000000 -0400 -@@ -1101,7 +1101,7 @@ irqreturn_t i915_driver_irq_handler(DRM_ - int ret = IRQ_NONE, pipe; - bool blc_event = false; - -- atomic_inc(&dev_priv->irq_received); -+ atomic_inc_unchecked(&dev_priv->irq_received); - - if (HAS_PCH_SPLIT(dev)) - return ironlake_irq_handler(dev); -@@ -1666,7 +1666,7 @@ void i915_driver_irq_preinstall(struct d - drm_i915_private_t *dev_priv = (drm_i915_private_t *) dev->dev_private; - int pipe; - -- atomic_set(&dev_priv->irq_received, 0); -+ atomic_set_unchecked(&dev_priv->irq_received, 0); - - INIT_WORK(&dev_priv->hotplug_work, i915_hotplug_work_func); - INIT_WORK(&dev_priv->error_work, i915_error_work_func); -diff -urNp linux-2.6.39.3/drivers/gpu/drm/i915/intel_display.c linux-2.6.39.3/drivers/gpu/drm/i915/intel_display.c ---- linux-2.6.39.3/drivers/gpu/drm/i915/intel_display.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/gpu/drm/i915/intel_display.c 2011-05-22 19:36:31.000000000 -0400 -@@ -2244,7 +2244,7 @@ intel_pipe_set_base(struct drm_crtc *crt - - wait_event(dev_priv->pending_flip_queue, - atomic_read(&dev_priv->mm.wedged) || -- atomic_read(&obj->pending_flip) == 0); -+ atomic_read_unchecked(&obj->pending_flip) == 0); - - /* Big Hammer, we also need to ensure that any pending - * MI_WAIT_FOR_EVENT inside a user batch buffer on the -@@ -2712,7 +2712,7 @@ static void intel_crtc_wait_for_pending_ - obj = to_intel_framebuffer(crtc->fb)->obj; - dev_priv = crtc->dev->dev_private; - wait_event(dev_priv->pending_flip_queue, -- atomic_read(&obj->pending_flip) == 0); -+ atomic_read_unchecked(&obj->pending_flip) == 0); - } - - static bool intel_crtc_driving_pch(struct drm_crtc *crtc) -@@ -6016,7 +6016,7 @@ static void do_intel_finish_page_flip(st - - atomic_clear_mask(1 << intel_crtc->plane, - &obj->pending_flip.counter); -- if (atomic_read(&obj->pending_flip) == 0) -+ if (atomic_read_unchecked(&obj->pending_flip) == 0) - wake_up(&dev_priv->pending_flip_queue); - - schedule_work(&work->work); -@@ -6145,7 +6145,7 @@ static int intel_crtc_page_flip(struct d - /* Block clients from rendering to the new back buffer until - * the flip occurs and the object is no longer visible. - */ -- atomic_add(1 << intel_crtc->plane, &work->old_fb_obj->pending_flip); -+ atomic_add_unchecked(1 << intel_crtc->plane, &work->old_fb_obj->pending_flip); - - switch (INTEL_INFO(dev)->gen) { - case 2: -diff -urNp linux-2.6.39.3/drivers/gpu/drm/mga/mga_drv.h linux-2.6.39.3/drivers/gpu/drm/mga/mga_drv.h ---- linux-2.6.39.3/drivers/gpu/drm/mga/mga_drv.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/gpu/drm/mga/mga_drv.h 2011-05-22 19:36:31.000000000 -0400 -@@ -120,9 +120,9 @@ typedef struct drm_mga_private { - u32 clear_cmd; - u32 maccess; - -- atomic_t vbl_received; /**< Number of vblanks received. */ -+ atomic_unchecked_t vbl_received; /**< Number of vblanks received. */ - wait_queue_head_t fence_queue; -- atomic_t last_fence_retired; -+ atomic_unchecked_t last_fence_retired; - u32 next_fence_to_post; - - unsigned int fb_cpp; -diff -urNp linux-2.6.39.3/drivers/gpu/drm/mga/mga_irq.c linux-2.6.39.3/drivers/gpu/drm/mga/mga_irq.c ---- linux-2.6.39.3/drivers/gpu/drm/mga/mga_irq.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/gpu/drm/mga/mga_irq.c 2011-05-22 19:36:31.000000000 -0400 -@@ -44,7 +44,7 @@ u32 mga_get_vblank_counter(struct drm_de - if (crtc != 0) - return 0; - -- return atomic_read(&dev_priv->vbl_received); -+ return atomic_read_unchecked(&dev_priv->vbl_received); - } - - -@@ -60,7 +60,7 @@ irqreturn_t mga_driver_irq_handler(DRM_I - /* VBLANK interrupt */ - if (status & MGA_VLINEPEN) { - MGA_WRITE(MGA_ICLEAR, MGA_VLINEICLR); -- atomic_inc(&dev_priv->vbl_received); -+ atomic_inc_unchecked(&dev_priv->vbl_received); - drm_handle_vblank(dev, 0); - handled = 1; - } -@@ -79,7 +79,7 @@ irqreturn_t mga_driver_irq_handler(DRM_I - if ((prim_start & ~0x03) != (prim_end & ~0x03)) - MGA_WRITE(MGA_PRIMEND, prim_end); - -- atomic_inc(&dev_priv->last_fence_retired); -+ atomic_inc_unchecked(&dev_priv->last_fence_retired); - DRM_WAKEUP(&dev_priv->fence_queue); - handled = 1; - } -@@ -130,7 +130,7 @@ int mga_driver_fence_wait(struct drm_dev - * using fences. - */ - DRM_WAIT_ON(ret, dev_priv->fence_queue, 3 * DRM_HZ, -- (((cur_fence = atomic_read(&dev_priv->last_fence_retired)) -+ (((cur_fence = atomic_read_unchecked(&dev_priv->last_fence_retired)) - - *sequence) <= (1 << 23))); - - *sequence = cur_fence; -diff -urNp linux-2.6.39.3/drivers/gpu/drm/nouveau/nouveau_acpi.c linux-2.6.39.3/drivers/gpu/drm/nouveau/nouveau_acpi.c ---- linux-2.6.39.3/drivers/gpu/drm/nouveau/nouveau_acpi.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/gpu/drm/nouveau/nouveau_acpi.c 2011-05-22 19:36:31.000000000 -0400 -@@ -141,7 +141,7 @@ static int nouveau_dsm_get_client_id(str - return VGA_SWITCHEROO_DIS; - } - --static struct vga_switcheroo_handler nouveau_dsm_handler = { -+static const struct vga_switcheroo_handler nouveau_dsm_handler = { - .switchto = nouveau_dsm_switchto, - .power_state = nouveau_dsm_power_state, - .init = nouveau_dsm_init, -diff -urNp linux-2.6.39.3/drivers/gpu/drm/nouveau/nouveau_drv.h linux-2.6.39.3/drivers/gpu/drm/nouveau/nouveau_drv.h ---- linux-2.6.39.3/drivers/gpu/drm/nouveau/nouveau_drv.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/gpu/drm/nouveau/nouveau_drv.h 2011-06-07 18:07:24.000000000 -0400 -@@ -228,7 +228,7 @@ struct nouveau_channel { - struct list_head pending; - uint32_t sequence; - uint32_t sequence_ack; -- atomic_t last_sequence_irq; -+ atomic_unchecked_t last_sequence_irq; - } fence; - - /* DMA push buffer */ -@@ -662,7 +662,7 @@ struct drm_nouveau_private { - struct drm_global_reference mem_global_ref; - struct ttm_bo_global_ref bo_global_ref; - struct ttm_bo_device bdev; -- atomic_t validate_sequence; -+ atomic_unchecked_t validate_sequence; - } ttm; - - struct { -diff -urNp linux-2.6.39.3/drivers/gpu/drm/nouveau/nouveau_fence.c linux-2.6.39.3/drivers/gpu/drm/nouveau/nouveau_fence.c ---- linux-2.6.39.3/drivers/gpu/drm/nouveau/nouveau_fence.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/gpu/drm/nouveau/nouveau_fence.c 2011-05-22 19:36:31.000000000 -0400 -@@ -85,7 +85,7 @@ nouveau_fence_update(struct nouveau_chan - if (USE_REFCNT(dev)) - sequence = nvchan_rd32(chan, 0x48); - else -- sequence = atomic_read(&chan->fence.last_sequence_irq); -+ sequence = atomic_read_unchecked(&chan->fence.last_sequence_irq); - - if (chan->fence.sequence_ack == sequence) - goto out; -@@ -553,7 +553,7 @@ nouveau_fence_channel_init(struct nouvea - out_initialised: - INIT_LIST_HEAD(&chan->fence.pending); - spin_lock_init(&chan->fence.lock); -- atomic_set(&chan->fence.last_sequence_irq, 0); -+ atomic_set_unchecked(&chan->fence.last_sequence_irq, 0); - return 0; - } - -diff -urNp linux-2.6.39.3/drivers/gpu/drm/nouveau/nouveau_gem.c linux-2.6.39.3/drivers/gpu/drm/nouveau/nouveau_gem.c ---- linux-2.6.39.3/drivers/gpu/drm/nouveau/nouveau_gem.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/gpu/drm/nouveau/nouveau_gem.c 2011-05-22 19:36:31.000000000 -0400 -@@ -249,7 +249,7 @@ validate_init(struct nouveau_channel *ch - int trycnt = 0; - int ret, i; - -- sequence = atomic_add_return(1, &dev_priv->ttm.validate_sequence); -+ sequence = atomic_add_return_unchecked(1, &dev_priv->ttm.validate_sequence); - retry: - if (++trycnt > 100000) { - NV_ERROR(dev, "%s failed and gave up.\n", __func__); -diff -urNp linux-2.6.39.3/drivers/gpu/drm/nouveau/nouveau_state.c linux-2.6.39.3/drivers/gpu/drm/nouveau/nouveau_state.c ---- linux-2.6.39.3/drivers/gpu/drm/nouveau/nouveau_state.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/gpu/drm/nouveau/nouveau_state.c 2011-05-22 19:36:31.000000000 -0400 -@@ -583,7 +583,7 @@ static bool nouveau_switcheroo_can_switc - bool can_switch; - - spin_lock(&dev->count_lock); -- can_switch = (dev->open_count == 0); -+ can_switch = (local_read(&dev->open_count) == 0); - spin_unlock(&dev->count_lock); - return can_switch; - } -diff -urNp linux-2.6.39.3/drivers/gpu/drm/nouveau/nv04_graph.c linux-2.6.39.3/drivers/gpu/drm/nouveau/nv04_graph.c ---- linux-2.6.39.3/drivers/gpu/drm/nouveau/nv04_graph.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/gpu/drm/nouveau/nv04_graph.c 2011-05-22 19:36:31.000000000 -0400 -@@ -552,7 +552,7 @@ static int - nv04_graph_mthd_set_ref(struct nouveau_channel *chan, - u32 class, u32 mthd, u32 data) - { -- atomic_set(&chan->fence.last_sequence_irq, data); -+ atomic_set_unchecked(&chan->fence.last_sequence_irq, data); - return 0; - } - -diff -urNp linux-2.6.39.3/drivers/gpu/drm/r128/r128_cce.c linux-2.6.39.3/drivers/gpu/drm/r128/r128_cce.c ---- linux-2.6.39.3/drivers/gpu/drm/r128/r128_cce.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/gpu/drm/r128/r128_cce.c 2011-05-22 19:36:31.000000000 -0400 -@@ -377,7 +377,7 @@ static int r128_do_init_cce(struct drm_d - - /* GH: Simple idle check. - */ -- atomic_set(&dev_priv->idle_count, 0); -+ atomic_set_unchecked(&dev_priv->idle_count, 0); - - /* We don't support anything other than bus-mastering ring mode, - * but the ring can be in either AGP or PCI space for the ring -diff -urNp linux-2.6.39.3/drivers/gpu/drm/r128/r128_drv.h linux-2.6.39.3/drivers/gpu/drm/r128/r128_drv.h ---- linux-2.6.39.3/drivers/gpu/drm/r128/r128_drv.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/gpu/drm/r128/r128_drv.h 2011-05-22 19:36:31.000000000 -0400 -@@ -90,14 +90,14 @@ typedef struct drm_r128_private { - int is_pci; - unsigned long cce_buffers_offset; - -- atomic_t idle_count; -+ atomic_unchecked_t idle_count; - - int page_flipping; - int current_page; - u32 crtc_offset; - u32 crtc_offset_cntl; - -- atomic_t vbl_received; -+ atomic_unchecked_t vbl_received; - - u32 color_fmt; - unsigned int front_offset; -diff -urNp linux-2.6.39.3/drivers/gpu/drm/r128/r128_irq.c linux-2.6.39.3/drivers/gpu/drm/r128/r128_irq.c ---- linux-2.6.39.3/drivers/gpu/drm/r128/r128_irq.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/gpu/drm/r128/r128_irq.c 2011-05-22 19:36:31.000000000 -0400 -@@ -42,7 +42,7 @@ u32 r128_get_vblank_counter(struct drm_d - if (crtc != 0) - return 0; - -- return atomic_read(&dev_priv->vbl_received); -+ return atomic_read_unchecked(&dev_priv->vbl_received); - } - - irqreturn_t r128_driver_irq_handler(DRM_IRQ_ARGS) -@@ -56,7 +56,7 @@ irqreturn_t r128_driver_irq_handler(DRM_ - /* VBLANK interrupt */ - if (status & R128_CRTC_VBLANK_INT) { - R128_WRITE(R128_GEN_INT_STATUS, R128_CRTC_VBLANK_INT_AK); -- atomic_inc(&dev_priv->vbl_received); -+ atomic_inc_unchecked(&dev_priv->vbl_received); - drm_handle_vblank(dev, 0); - return IRQ_HANDLED; - } -diff -urNp linux-2.6.39.3/drivers/gpu/drm/r128/r128_state.c linux-2.6.39.3/drivers/gpu/drm/r128/r128_state.c ---- linux-2.6.39.3/drivers/gpu/drm/r128/r128_state.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/gpu/drm/r128/r128_state.c 2011-05-22 19:36:31.000000000 -0400 -@@ -321,10 +321,10 @@ static void r128_clear_box(drm_r128_priv - - static void r128_cce_performance_boxes(drm_r128_private_t *dev_priv) - { -- if (atomic_read(&dev_priv->idle_count) == 0) -+ if (atomic_read_unchecked(&dev_priv->idle_count) == 0) - r128_clear_box(dev_priv, 64, 4, 8, 8, 0, 255, 0); - else -- atomic_set(&dev_priv->idle_count, 0); -+ atomic_set_unchecked(&dev_priv->idle_count, 0); - } - - #endif -diff -urNp linux-2.6.39.3/drivers/gpu/drm/radeon/atom.c linux-2.6.39.3/drivers/gpu/drm/radeon/atom.c ---- linux-2.6.39.3/drivers/gpu/drm/radeon/atom.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/gpu/drm/radeon/atom.c 2011-05-22 19:36:31.000000000 -0400 -@@ -1245,6 +1245,8 @@ struct atom_context *atom_parse(struct c - char name[512]; - int i; - -+ pax_track_stack(); -+ - ctx->card = card; - ctx->bios = bios; - -diff -urNp linux-2.6.39.3/drivers/gpu/drm/radeon/mkregtable.c linux-2.6.39.3/drivers/gpu/drm/radeon/mkregtable.c ---- linux-2.6.39.3/drivers/gpu/drm/radeon/mkregtable.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/gpu/drm/radeon/mkregtable.c 2011-05-22 19:36:31.000000000 -0400 -@@ -637,14 +637,14 @@ static int parser_auth(struct table *t, - regex_t mask_rex; - regmatch_t match[4]; - char buf[1024]; -- size_t end; -+ long end; - int len; - int done = 0; - int r; - unsigned o; - struct offset *offset; - char last_reg_s[10]; -- int last_reg; -+ unsigned long last_reg; - - if (regcomp - (&mask_rex, "(0x[0-9a-fA-F]*) *([_a-zA-Z0-9]*)", REG_EXTENDED)) { -diff -urNp linux-2.6.39.3/drivers/gpu/drm/radeon/radeon_atombios.c linux-2.6.39.3/drivers/gpu/drm/radeon/radeon_atombios.c ---- linux-2.6.39.3/drivers/gpu/drm/radeon/radeon_atombios.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/gpu/drm/radeon/radeon_atombios.c 2011-05-22 19:36:31.000000000 -0400 -@@ -545,6 +545,8 @@ bool radeon_get_atom_connector_info_from - struct radeon_gpio_rec gpio; - struct radeon_hpd hpd; - -+ pax_track_stack(); -+ - if (!atom_parse_data_header(ctx, index, &size, &frev, &crev, &data_offset)) - return false; - -diff -urNp linux-2.6.39.3/drivers/gpu/drm/radeon/radeon_atpx_handler.c linux-2.6.39.3/drivers/gpu/drm/radeon/radeon_atpx_handler.c ---- linux-2.6.39.3/drivers/gpu/drm/radeon/radeon_atpx_handler.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/gpu/drm/radeon/radeon_atpx_handler.c 2011-05-22 19:36:31.000000000 -0400 -@@ -234,7 +234,7 @@ static int radeon_atpx_get_client_id(str - return VGA_SWITCHEROO_DIS; - } - --static struct vga_switcheroo_handler radeon_atpx_handler = { -+static const struct vga_switcheroo_handler radeon_atpx_handler = { - .switchto = radeon_atpx_switchto, - .power_state = radeon_atpx_power_state, - .init = radeon_atpx_init, -diff -urNp linux-2.6.39.3/drivers/gpu/drm/radeon/radeon_device.c linux-2.6.39.3/drivers/gpu/drm/radeon/radeon_device.c ---- linux-2.6.39.3/drivers/gpu/drm/radeon/radeon_device.c 2011-06-25 12:55:22.000000000 -0400 -+++ linux-2.6.39.3/drivers/gpu/drm/radeon/radeon_device.c 2011-06-25 13:00:25.000000000 -0400 -@@ -674,7 +674,7 @@ static bool radeon_switcheroo_can_switch - bool can_switch; - - spin_lock(&dev->count_lock); -- can_switch = (dev->open_count == 0); -+ can_switch = (local_read(&dev->open_count) == 0); - spin_unlock(&dev->count_lock); - return can_switch; - } -diff -urNp linux-2.6.39.3/drivers/gpu/drm/radeon/radeon_display.c linux-2.6.39.3/drivers/gpu/drm/radeon/radeon_display.c ---- linux-2.6.39.3/drivers/gpu/drm/radeon/radeon_display.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/gpu/drm/radeon/radeon_display.c 2011-05-22 19:36:31.000000000 -0400 -@@ -934,6 +934,8 @@ void radeon_compute_pll_legacy(struct ra - uint32_t post_div; - u32 pll_out_min, pll_out_max; - -+ pax_track_stack(); -+ - DRM_DEBUG_KMS("PLL freq %llu %u %u\n", freq, pll->min_ref_div, pll->max_ref_div); - freq = freq * 1000; - -diff -urNp linux-2.6.39.3/drivers/gpu/drm/radeon/radeon_drv.h linux-2.6.39.3/drivers/gpu/drm/radeon/radeon_drv.h ---- linux-2.6.39.3/drivers/gpu/drm/radeon/radeon_drv.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/gpu/drm/radeon/radeon_drv.h 2011-05-22 19:36:31.000000000 -0400 -@@ -255,7 +255,7 @@ typedef struct drm_radeon_private { - - /* SW interrupt */ - wait_queue_head_t swi_queue; -- atomic_t swi_emitted; -+ atomic_unchecked_t swi_emitted; - int vblank_crtc; - uint32_t irq_enable_reg; - uint32_t r500_disp_irq_reg; -diff -urNp linux-2.6.39.3/drivers/gpu/drm/radeon/radeon_fence.c linux-2.6.39.3/drivers/gpu/drm/radeon/radeon_fence.c ---- linux-2.6.39.3/drivers/gpu/drm/radeon/radeon_fence.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/gpu/drm/radeon/radeon_fence.c 2011-05-22 19:36:31.000000000 -0400 -@@ -49,7 +49,7 @@ int radeon_fence_emit(struct radeon_devi - write_unlock_irqrestore(&rdev->fence_drv.lock, irq_flags); - return 0; - } -- fence->seq = atomic_add_return(1, &rdev->fence_drv.seq); -+ fence->seq = atomic_add_return_unchecked(1, &rdev->fence_drv.seq); - if (!rdev->cp.ready) { - /* FIXME: cp is not running assume everythings is done right - * away -@@ -352,7 +352,7 @@ int radeon_fence_driver_init(struct rade - return r; - } - WREG32(rdev->fence_drv.scratch_reg, 0); -- atomic_set(&rdev->fence_drv.seq, 0); -+ atomic_set_unchecked(&rdev->fence_drv.seq, 0); - INIT_LIST_HEAD(&rdev->fence_drv.created); - INIT_LIST_HEAD(&rdev->fence_drv.emited); - INIT_LIST_HEAD(&rdev->fence_drv.signaled); -diff -urNp linux-2.6.39.3/drivers/gpu/drm/radeon/radeon.h linux-2.6.39.3/drivers/gpu/drm/radeon/radeon.h ---- linux-2.6.39.3/drivers/gpu/drm/radeon/radeon.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/gpu/drm/radeon/radeon.h 2011-05-22 19:36:31.000000000 -0400 -@@ -189,7 +189,7 @@ extern int sumo_get_temp(struct radeon_d - */ - struct radeon_fence_driver { - uint32_t scratch_reg; -- atomic_t seq; -+ atomic_unchecked_t seq; - uint32_t last_seq; - unsigned long last_jiffies; - unsigned long last_timeout; -diff -urNp linux-2.6.39.3/drivers/gpu/drm/radeon/radeon_ioc32.c linux-2.6.39.3/drivers/gpu/drm/radeon/radeon_ioc32.c ---- linux-2.6.39.3/drivers/gpu/drm/radeon/radeon_ioc32.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/gpu/drm/radeon/radeon_ioc32.c 2011-05-22 19:36:31.000000000 -0400 -@@ -359,7 +359,7 @@ static int compat_radeon_cp_setparam(str - request = compat_alloc_user_space(sizeof(*request)); - if (!access_ok(VERIFY_WRITE, request, sizeof(*request)) - || __put_user(req32.param, &request->param) -- || __put_user((void __user *)(unsigned long)req32.value, -+ || __put_user((unsigned long)req32.value, - &request->value)) - return -EFAULT; - -diff -urNp linux-2.6.39.3/drivers/gpu/drm/radeon/radeon_irq.c linux-2.6.39.3/drivers/gpu/drm/radeon/radeon_irq.c ---- linux-2.6.39.3/drivers/gpu/drm/radeon/radeon_irq.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/gpu/drm/radeon/radeon_irq.c 2011-05-22 19:36:31.000000000 -0400 -@@ -225,8 +225,8 @@ static int radeon_emit_irq(struct drm_de - unsigned int ret; - RING_LOCALS; - -- atomic_inc(&dev_priv->swi_emitted); -- ret = atomic_read(&dev_priv->swi_emitted); -+ atomic_inc_unchecked(&dev_priv->swi_emitted); -+ ret = atomic_read_unchecked(&dev_priv->swi_emitted); - - BEGIN_RING(4); - OUT_RING_REG(RADEON_LAST_SWI_REG, ret); -@@ -352,7 +352,7 @@ int radeon_driver_irq_postinstall(struct - drm_radeon_private_t *dev_priv = - (drm_radeon_private_t *) dev->dev_private; - -- atomic_set(&dev_priv->swi_emitted, 0); -+ atomic_set_unchecked(&dev_priv->swi_emitted, 0); - DRM_INIT_WAITQUEUE(&dev_priv->swi_queue); - - dev->max_vblank_count = 0x001fffff; -diff -urNp linux-2.6.39.3/drivers/gpu/drm/radeon/radeon_state.c linux-2.6.39.3/drivers/gpu/drm/radeon/radeon_state.c ---- linux-2.6.39.3/drivers/gpu/drm/radeon/radeon_state.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/gpu/drm/radeon/radeon_state.c 2011-05-22 19:36:31.000000000 -0400 -@@ -2168,7 +2168,7 @@ static int radeon_cp_clear(struct drm_de - if (sarea_priv->nbox > RADEON_NR_SAREA_CLIPRECTS) - sarea_priv->nbox = RADEON_NR_SAREA_CLIPRECTS; - -- if (DRM_COPY_FROM_USER(&depth_boxes, clear->depth_boxes, -+ if (sarea_priv->nbox > RADEON_NR_SAREA_CLIPRECTS || DRM_COPY_FROM_USER(&depth_boxes, clear->depth_boxes, - sarea_priv->nbox * sizeof(depth_boxes[0]))) - return -EFAULT; - -@@ -3031,7 +3031,7 @@ static int radeon_cp_getparam(struct drm - { - drm_radeon_private_t *dev_priv = dev->dev_private; - drm_radeon_getparam_t *param = data; -- int value; -+ int value = 0; - - DRM_DEBUG("pid=%d\n", DRM_CURRENTPID); - -diff -urNp linux-2.6.39.3/drivers/gpu/drm/radeon/radeon_ttm.c linux-2.6.39.3/drivers/gpu/drm/radeon/radeon_ttm.c ---- linux-2.6.39.3/drivers/gpu/drm/radeon/radeon_ttm.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/gpu/drm/radeon/radeon_ttm.c 2011-05-22 19:36:31.000000000 -0400 -@@ -603,8 +603,9 @@ void radeon_ttm_set_active_vram_size(str - man->size = size >> PAGE_SHIFT; - } - --static struct vm_operations_struct radeon_ttm_vm_ops; --static const struct vm_operations_struct *ttm_vm_ops = NULL; -+extern int ttm_bo_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf); -+extern void ttm_bo_vm_open(struct vm_area_struct *vma); -+extern void ttm_bo_vm_close(struct vm_area_struct *vma); - - static int radeon_ttm_fault(struct vm_area_struct *vma, struct vm_fault *vmf) - { -@@ -612,17 +613,22 @@ static int radeon_ttm_fault(struct vm_ar - struct radeon_device *rdev; - int r; - -- bo = (struct ttm_buffer_object *)vma->vm_private_data; -- if (bo == NULL) { -+ bo = (struct ttm_buffer_object *)vma->vm_private_data; -+ if (!bo) - return VM_FAULT_NOPAGE; -- } - rdev = radeon_get_rdev(bo->bdev); - mutex_lock(&rdev->vram_mutex); -- r = ttm_vm_ops->fault(vma, vmf); -+ r = ttm_bo_vm_fault(vma, vmf); - mutex_unlock(&rdev->vram_mutex); - return r; - } - -+static const struct vm_operations_struct radeon_ttm_vm_ops = { -+ .fault = radeon_ttm_fault, -+ .open = ttm_bo_vm_open, -+ .close = ttm_bo_vm_close -+}; -+ - int radeon_mmap(struct file *filp, struct vm_area_struct *vma) - { - struct drm_file *file_priv; -@@ -635,18 +641,11 @@ int radeon_mmap(struct file *filp, struc - - file_priv = filp->private_data; - rdev = file_priv->minor->dev->dev_private; -- if (rdev == NULL) { -+ if (!rdev) - return -EINVAL; -- } - r = ttm_bo_mmap(filp, vma, &rdev->mman.bdev); -- if (unlikely(r != 0)) { -+ if (r) - return r; -- } -- if (unlikely(ttm_vm_ops == NULL)) { -- ttm_vm_ops = vma->vm_ops; -- radeon_ttm_vm_ops = *ttm_vm_ops; -- radeon_ttm_vm_ops.fault = &radeon_ttm_fault; -- } - vma->vm_ops = &radeon_ttm_vm_ops; - return 0; - } -diff -urNp linux-2.6.39.3/drivers/gpu/drm/radeon/rs690.c linux-2.6.39.3/drivers/gpu/drm/radeon/rs690.c ---- linux-2.6.39.3/drivers/gpu/drm/radeon/rs690.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/gpu/drm/radeon/rs690.c 2011-05-22 19:36:31.000000000 -0400 -@@ -304,9 +304,11 @@ void rs690_crtc_bandwidth_compute(struct - if (rdev->pm.max_bandwidth.full > rdev->pm.sideport_bandwidth.full && - rdev->pm.sideport_bandwidth.full) - rdev->pm.max_bandwidth = rdev->pm.sideport_bandwidth; -- read_delay_latency.full = dfixed_const(370 * 800 * 1000); -+ read_delay_latency.full = dfixed_const(800 * 1000); - read_delay_latency.full = dfixed_div(read_delay_latency, - rdev->pm.igp_sideport_mclk); -+ a.full = dfixed_const(370); -+ read_delay_latency.full = dfixed_mul(read_delay_latency, a); - } else { - if (rdev->pm.max_bandwidth.full > rdev->pm.k8_bandwidth.full && - rdev->pm.k8_bandwidth.full) -diff -urNp linux-2.6.39.3/drivers/gpu/drm/ttm/ttm_bo_vm.c linux-2.6.39.3/drivers/gpu/drm/ttm/ttm_bo_vm.c ---- linux-2.6.39.3/drivers/gpu/drm/ttm/ttm_bo_vm.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/gpu/drm/ttm/ttm_bo_vm.c 2011-05-22 19:36:31.000000000 -0400 -@@ -69,11 +69,11 @@ static struct ttm_buffer_object *ttm_bo_ - return best_bo; - } - --static int ttm_bo_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf) -+int ttm_bo_vm_fault(struct vm_area_struct *vma, struct vm_fault *vmf) - { - struct ttm_buffer_object *bo = (struct ttm_buffer_object *) - vma->vm_private_data; -- struct ttm_bo_device *bdev = bo->bdev; -+ struct ttm_bo_device *bdev; - unsigned long page_offset; - unsigned long page_last; - unsigned long pfn; -@@ -83,8 +83,12 @@ static int ttm_bo_vm_fault(struct vm_are - int i; - unsigned long address = (unsigned long)vmf->virtual_address; - int retval = VM_FAULT_NOPAGE; -- struct ttm_mem_type_manager *man = -- &bdev->man[bo->mem.mem_type]; -+ struct ttm_mem_type_manager *man; -+ -+ if (!bo) -+ return VM_FAULT_NOPAGE; -+ bdev = bo->bdev; -+ man = &bdev->man[bo->mem.mem_type]; - - /* - * Work around locking order reversal in fault / nopfn -@@ -219,22 +223,25 @@ out_unlock: - ttm_bo_unreserve(bo); - return retval; - } -+EXPORT_SYMBOL(ttm_bo_vm_fault); - --static void ttm_bo_vm_open(struct vm_area_struct *vma) -+void ttm_bo_vm_open(struct vm_area_struct *vma) - { - struct ttm_buffer_object *bo = - (struct ttm_buffer_object *)vma->vm_private_data; - - (void)ttm_bo_reference(bo); - } -+EXPORT_SYMBOL(ttm_bo_vm_open); - --static void ttm_bo_vm_close(struct vm_area_struct *vma) -+void ttm_bo_vm_close(struct vm_area_struct *vma) - { - struct ttm_buffer_object *bo = (struct ttm_buffer_object *)vma->vm_private_data; - - ttm_bo_unref(&bo); - vma->vm_private_data = NULL; - } -+EXPORT_SYMBOL(ttm_bo_vm_close); - - static const struct vm_operations_struct ttm_bo_vm_ops = { - .fault = ttm_bo_vm_fault, -diff -urNp linux-2.6.39.3/drivers/gpu/drm/ttm/ttm_page_alloc.c linux-2.6.39.3/drivers/gpu/drm/ttm/ttm_page_alloc.c ---- linux-2.6.39.3/drivers/gpu/drm/ttm/ttm_page_alloc.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/gpu/drm/ttm/ttm_page_alloc.c 2011-05-22 19:36:31.000000000 -0400 -@@ -397,9 +397,9 @@ static int ttm_pool_get_num_unused_pages - */ - static int ttm_pool_mm_shrink(struct shrinker *shrink, int shrink_pages, gfp_t gfp_mask) - { -- static atomic_t start_pool = ATOMIC_INIT(0); -+ static atomic_unchecked_t start_pool = ATOMIC_INIT(0); - unsigned i; -- unsigned pool_offset = atomic_add_return(1, &start_pool); -+ unsigned pool_offset = atomic_add_return_unchecked(1, &start_pool); - struct ttm_page_pool *pool; - - pool_offset = pool_offset % NUM_POOLS; -diff -urNp linux-2.6.39.3/drivers/gpu/drm/via/via_drv.h linux-2.6.39.3/drivers/gpu/drm/via/via_drv.h ---- linux-2.6.39.3/drivers/gpu/drm/via/via_drv.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/gpu/drm/via/via_drv.h 2011-05-22 19:36:31.000000000 -0400 -@@ -51,7 +51,7 @@ typedef struct drm_via_ring_buffer { - typedef uint32_t maskarray_t[5]; - - typedef struct drm_via_irq { -- atomic_t irq_received; -+ atomic_unchecked_t irq_received; - uint32_t pending_mask; - uint32_t enable_mask; - wait_queue_head_t irq_queue; -@@ -75,7 +75,7 @@ typedef struct drm_via_private { - struct timeval last_vblank; - int last_vblank_valid; - unsigned usec_per_vblank; -- atomic_t vbl_received; -+ atomic_unchecked_t vbl_received; - drm_via_state_t hc_state; - char pci_buf[VIA_PCI_BUF_SIZE]; - const uint32_t *fire_offsets[VIA_FIRE_BUF_SIZE]; -diff -urNp linux-2.6.39.3/drivers/gpu/drm/via/via_irq.c linux-2.6.39.3/drivers/gpu/drm/via/via_irq.c ---- linux-2.6.39.3/drivers/gpu/drm/via/via_irq.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/gpu/drm/via/via_irq.c 2011-05-22 19:36:31.000000000 -0400 -@@ -102,7 +102,7 @@ u32 via_get_vblank_counter(struct drm_de - if (crtc != 0) - return 0; - -- return atomic_read(&dev_priv->vbl_received); -+ return atomic_read_unchecked(&dev_priv->vbl_received); - } - - irqreturn_t via_driver_irq_handler(DRM_IRQ_ARGS) -@@ -117,8 +117,8 @@ irqreturn_t via_driver_irq_handler(DRM_I - - status = VIA_READ(VIA_REG_INTERRUPT); - if (status & VIA_IRQ_VBLANK_PENDING) { -- atomic_inc(&dev_priv->vbl_received); -- if (!(atomic_read(&dev_priv->vbl_received) & 0x0F)) { -+ atomic_inc_unchecked(&dev_priv->vbl_received); -+ if (!(atomic_read_unchecked(&dev_priv->vbl_received) & 0x0F)) { - do_gettimeofday(&cur_vblank); - if (dev_priv->last_vblank_valid) { - dev_priv->usec_per_vblank = -@@ -128,7 +128,7 @@ irqreturn_t via_driver_irq_handler(DRM_I - dev_priv->last_vblank = cur_vblank; - dev_priv->last_vblank_valid = 1; - } -- if (!(atomic_read(&dev_priv->vbl_received) & 0xFF)) { -+ if (!(atomic_read_unchecked(&dev_priv->vbl_received) & 0xFF)) { - DRM_DEBUG("US per vblank is: %u\n", - dev_priv->usec_per_vblank); - } -@@ -138,7 +138,7 @@ irqreturn_t via_driver_irq_handler(DRM_I - - for (i = 0; i < dev_priv->num_irqs; ++i) { - if (status & cur_irq->pending_mask) { -- atomic_inc(&cur_irq->irq_received); -+ atomic_inc_unchecked(&cur_irq->irq_received); - DRM_WAKEUP(&cur_irq->irq_queue); - handled = 1; - if (dev_priv->irq_map[drm_via_irq_dma0_td] == i) -@@ -243,11 +243,11 @@ via_driver_irq_wait(struct drm_device *d - DRM_WAIT_ON(ret, cur_irq->irq_queue, 3 * DRM_HZ, - ((VIA_READ(masks[irq][2]) & masks[irq][3]) == - masks[irq][4])); -- cur_irq_sequence = atomic_read(&cur_irq->irq_received); -+ cur_irq_sequence = atomic_read_unchecked(&cur_irq->irq_received); - } else { - DRM_WAIT_ON(ret, cur_irq->irq_queue, 3 * DRM_HZ, - (((cur_irq_sequence = -- atomic_read(&cur_irq->irq_received)) - -+ atomic_read_unchecked(&cur_irq->irq_received)) - - *sequence) <= (1 << 23))); - } - *sequence = cur_irq_sequence; -@@ -285,7 +285,7 @@ void via_driver_irq_preinstall(struct dr - } - - for (i = 0; i < dev_priv->num_irqs; ++i) { -- atomic_set(&cur_irq->irq_received, 0); -+ atomic_set_unchecked(&cur_irq->irq_received, 0); - cur_irq->enable_mask = dev_priv->irq_masks[i][0]; - cur_irq->pending_mask = dev_priv->irq_masks[i][1]; - DRM_INIT_WAITQUEUE(&cur_irq->irq_queue); -@@ -367,7 +367,7 @@ int via_wait_irq(struct drm_device *dev, - switch (irqwait->request.type & ~VIA_IRQ_FLAGS_MASK) { - case VIA_IRQ_RELATIVE: - irqwait->request.sequence += -- atomic_read(&cur_irq->irq_received); -+ atomic_read_unchecked(&cur_irq->irq_received); - irqwait->request.type &= ~_DRM_VBLANK_RELATIVE; - case VIA_IRQ_ABSOLUTE: - break; -diff -urNp linux-2.6.39.3/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h linux-2.6.39.3/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h ---- linux-2.6.39.3/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h 2011-05-22 19:36:31.000000000 -0400 -@@ -240,7 +240,7 @@ struct vmw_private { - * Fencing and IRQs. - */ - -- atomic_t fence_seq; -+ atomic_unchecked_t fence_seq; - wait_queue_head_t fence_queue; - wait_queue_head_t fifo_queue; - atomic_t fence_queue_waiters; -diff -urNp linux-2.6.39.3/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c linux-2.6.39.3/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c ---- linux-2.6.39.3/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/gpu/drm/vmwgfx/vmwgfx_fence.c 2011-05-22 19:36:31.000000000 -0400 -@@ -151,7 +151,7 @@ int vmw_wait_lag(struct vmw_private *dev - while (!vmw_lag_lt(queue, us)) { - spin_lock(&queue->lock); - if (list_empty(&queue->head)) -- sequence = atomic_read(&dev_priv->fence_seq); -+ sequence = atomic_read_unchecked(&dev_priv->fence_seq); - else { - fence = list_first_entry(&queue->head, - struct vmw_fence, head); -diff -urNp linux-2.6.39.3/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c linux-2.6.39.3/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c ---- linux-2.6.39.3/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c 2011-05-22 19:36:31.000000000 -0400 -@@ -137,7 +137,7 @@ int vmw_fifo_init(struct vmw_private *de - (unsigned int) min, - (unsigned int) fifo->capabilities); - -- atomic_set(&dev_priv->fence_seq, dev_priv->last_read_sequence); -+ atomic_set_unchecked(&dev_priv->fence_seq, dev_priv->last_read_sequence); - iowrite32(dev_priv->last_read_sequence, fifo_mem + SVGA_FIFO_FENCE); - vmw_fence_queue_init(&fifo->fence_queue); - return vmw_fifo_send_fence(dev_priv, &dummy); -@@ -476,7 +476,7 @@ int vmw_fifo_send_fence(struct vmw_priva - - fm = vmw_fifo_reserve(dev_priv, bytes); - if (unlikely(fm == NULL)) { -- *sequence = atomic_read(&dev_priv->fence_seq); -+ *sequence = atomic_read_unchecked(&dev_priv->fence_seq); - ret = -ENOMEM; - (void)vmw_fallback_wait(dev_priv, false, true, *sequence, - false, 3*HZ); -@@ -484,7 +484,7 @@ int vmw_fifo_send_fence(struct vmw_priva - } - - do { -- *sequence = atomic_add_return(1, &dev_priv->fence_seq); -+ *sequence = atomic_add_return_unchecked(1, &dev_priv->fence_seq); - } while (*sequence == 0); - - if (!(fifo_state->capabilities & SVGA_FIFO_CAP_FENCE)) { -@@ -534,7 +534,7 @@ static int vmw_fifo_vm_fault(struct vm_a - return VM_FAULT_SIGBUS; - } - --static struct vm_operations_struct vmw_fifo_vm_ops = { -+static const struct vm_operations_struct vmw_fifo_vm_ops = { - .fault = vmw_fifo_vm_fault, - .open = NULL, - .close = NULL -diff -urNp linux-2.6.39.3/drivers/gpu/drm/vmwgfx/vmwgfx_irq.c linux-2.6.39.3/drivers/gpu/drm/vmwgfx/vmwgfx_irq.c ---- linux-2.6.39.3/drivers/gpu/drm/vmwgfx/vmwgfx_irq.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/gpu/drm/vmwgfx/vmwgfx_irq.c 2011-05-22 19:36:31.000000000 -0400 -@@ -100,7 +100,7 @@ bool vmw_fence_signaled(struct vmw_priva - * emitted. Then the fence is stale and signaled. - */ - -- ret = ((atomic_read(&dev_priv->fence_seq) - sequence) -+ ret = ((atomic_read_unchecked(&dev_priv->fence_seq) - sequence) - > VMW_FENCE_WRAP); - - return ret; -@@ -131,7 +131,7 @@ int vmw_fallback_wait(struct vmw_private - - if (fifo_idle) - down_read(&fifo_state->rwsem); -- signal_seq = atomic_read(&dev_priv->fence_seq); -+ signal_seq = atomic_read_unchecked(&dev_priv->fence_seq); - ret = 0; - - for (;;) { -diff -urNp linux-2.6.39.3/drivers/gpu/vga/vga_switcheroo.c linux-2.6.39.3/drivers/gpu/vga/vga_switcheroo.c ---- linux-2.6.39.3/drivers/gpu/vga/vga_switcheroo.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/gpu/vga/vga_switcheroo.c 2011-05-22 19:36:31.000000000 -0400 -@@ -53,7 +53,7 @@ struct vgasr_priv { - int registered_clients; - struct vga_switcheroo_client clients[VGA_SWITCHEROO_MAX_CLIENTS]; - -- struct vga_switcheroo_handler *handler; -+ const struct vga_switcheroo_handler *handler; - }; - - static int vga_switcheroo_debugfs_init(struct vgasr_priv *priv); -@@ -62,7 +62,7 @@ static void vga_switcheroo_debugfs_fini( - /* only one switcheroo per system */ - static struct vgasr_priv vgasr_priv; - --int vga_switcheroo_register_handler(struct vga_switcheroo_handler *handler) -+int vga_switcheroo_register_handler(const struct vga_switcheroo_handler *handler) - { - mutex_lock(&vgasr_mutex); - if (vgasr_priv.handler) { -diff -urNp linux-2.6.39.3/drivers/hid/hid-core.c linux-2.6.39.3/drivers/hid/hid-core.c ---- linux-2.6.39.3/drivers/hid/hid-core.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/hid/hid-core.c 2011-05-22 19:36:31.000000000 -0400 -@@ -1888,7 +1888,7 @@ static bool hid_ignore(struct hid_device - - int hid_add_device(struct hid_device *hdev) - { -- static atomic_t id = ATOMIC_INIT(0); -+ static atomic_unchecked_t id = ATOMIC_INIT(0); - int ret; - - if (WARN_ON(hdev->status & HID_STAT_ADDED)) -@@ -1903,7 +1903,7 @@ int hid_add_device(struct hid_device *hd - /* XXX hack, any other cleaner solution after the driver core - * is converted to allow more than 20 bytes as the device name? */ - dev_set_name(&hdev->dev, "%04X:%04X:%04X.%04X", hdev->bus, -- hdev->vendor, hdev->product, atomic_inc_return(&id)); -+ hdev->vendor, hdev->product, atomic_inc_return_unchecked(&id)); - - hid_debug_register(hdev, dev_name(&hdev->dev)); - ret = device_add(&hdev->dev); -diff -urNp linux-2.6.39.3/drivers/hid/hid-picolcd.c linux-2.6.39.3/drivers/hid/hid-picolcd.c ---- linux-2.6.39.3/drivers/hid/hid-picolcd.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/hid/hid-picolcd.c 2011-05-22 19:36:31.000000000 -0400 -@@ -1037,7 +1037,7 @@ static int picolcd_check_lcd_fb(struct l - return fb && fb == picolcd_fbinfo((struct picolcd_data *)lcd_get_data(ldev)); - } - --static struct lcd_ops picolcd_lcdops = { -+static const struct lcd_ops picolcd_lcdops = { - .get_contrast = picolcd_get_contrast, - .set_contrast = picolcd_set_contrast, - .check_fb = picolcd_check_lcd_fb, -diff -urNp linux-2.6.39.3/drivers/hid/usbhid/hiddev.c linux-2.6.39.3/drivers/hid/usbhid/hiddev.c ---- linux-2.6.39.3/drivers/hid/usbhid/hiddev.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/hid/usbhid/hiddev.c 2011-05-22 19:36:31.000000000 -0400 -@@ -613,7 +613,7 @@ static long hiddev_ioctl(struct file *fi - break; - - case HIDIOCAPPLICATION: -- if (arg < 0 || arg >= hid->maxapplication) -+ if (arg >= hid->maxapplication) - break; - - for (i = 0; i < hid->maxcollection; i++) -diff -urNp linux-2.6.39.3/drivers/hwmon/ibmaem.c linux-2.6.39.3/drivers/hwmon/ibmaem.c ---- linux-2.6.39.3/drivers/hwmon/ibmaem.c 2011-07-09 09:18:51.000000000 -0400 -+++ linux-2.6.39.3/drivers/hwmon/ibmaem.c 2011-07-09 09:19:18.000000000 -0400 -@@ -238,7 +238,7 @@ struct aem_read_sensor_resp { - struct aem_driver_data { - struct list_head aem_devices; - struct ipmi_smi_watcher bmc_events; -- struct ipmi_user_hndl ipmi_hndlrs; -+ const struct ipmi_user_hndl ipmi_hndlrs; - }; - - static void aem_register_bmc(int iface, struct device *dev); -diff -urNp linux-2.6.39.3/drivers/hwmon/ibmpex.c linux-2.6.39.3/drivers/hwmon/ibmpex.c ---- linux-2.6.39.3/drivers/hwmon/ibmpex.c 2011-07-09 09:18:51.000000000 -0400 -+++ linux-2.6.39.3/drivers/hwmon/ibmpex.c 2011-07-09 09:19:18.000000000 -0400 -@@ -110,7 +110,7 @@ struct ibmpex_bmc_data { - struct ibmpex_driver_data { - struct list_head bmc_data; - struct ipmi_smi_watcher bmc_events; -- struct ipmi_user_hndl ipmi_hndlrs; -+ const struct ipmi_user_hndl ipmi_hndlrs; - }; - - static struct ibmpex_driver_data driver_data = { -diff -urNp linux-2.6.39.3/drivers/hwmon/sht15.c linux-2.6.39.3/drivers/hwmon/sht15.c ---- linux-2.6.39.3/drivers/hwmon/sht15.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/hwmon/sht15.c 2011-05-22 19:36:31.000000000 -0400 -@@ -113,7 +113,7 @@ struct sht15_data { - int supply_uV; - int supply_uV_valid; - struct work_struct update_supply_work; -- atomic_t interrupt_handled; -+ atomic_unchecked_t interrupt_handled; - }; - - /** -@@ -246,13 +246,13 @@ static inline int sht15_update_single_va - return ret; - - gpio_direction_input(data->pdata->gpio_data); -- atomic_set(&data->interrupt_handled, 0); -+ atomic_set_unchecked(&data->interrupt_handled, 0); - - enable_irq(gpio_to_irq(data->pdata->gpio_data)); - if (gpio_get_value(data->pdata->gpio_data) == 0) { - disable_irq_nosync(gpio_to_irq(data->pdata->gpio_data)); - /* Only relevant if the interrupt hasn't occurred. */ -- if (!atomic_read(&data->interrupt_handled)) -+ if (!atomic_read_unchecked(&data->interrupt_handled)) - schedule_work(&data->read_work); - } - ret = wait_event_timeout(data->wait_queue, -@@ -399,7 +399,7 @@ static irqreturn_t sht15_interrupt_fired - struct sht15_data *data = d; - /* First disable the interrupt */ - disable_irq_nosync(irq); -- atomic_inc(&data->interrupt_handled); -+ atomic_inc_unchecked(&data->interrupt_handled); - /* Then schedule a reading work struct */ - if (data->flag != SHT15_READING_NOTHING) - schedule_work(&data->read_work); -@@ -450,11 +450,11 @@ static void sht15_bh_read_data(struct wo - here as could have gone low in meantime so verify - it hasn't! - */ -- atomic_set(&data->interrupt_handled, 0); -+ atomic_set_unchecked(&data->interrupt_handled, 0); - enable_irq(gpio_to_irq(data->pdata->gpio_data)); - /* If still not occurred or another handler has been scheduled */ - if (gpio_get_value(data->pdata->gpio_data) -- || atomic_read(&data->interrupt_handled)) -+ || atomic_read_unchecked(&data->interrupt_handled)) - return; - } - /* Read the data back from the device */ -diff -urNp linux-2.6.39.3/drivers/hwmon/w83791d.c linux-2.6.39.3/drivers/hwmon/w83791d.c ---- linux-2.6.39.3/drivers/hwmon/w83791d.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/hwmon/w83791d.c 2011-05-22 19:36:31.000000000 -0400 -@@ -329,8 +329,8 @@ static int w83791d_detect(struct i2c_cli - struct i2c_board_info *info); - static int w83791d_remove(struct i2c_client *client); - --static int w83791d_read(struct i2c_client *client, u8 register); --static int w83791d_write(struct i2c_client *client, u8 register, u8 value); -+static int w83791d_read(struct i2c_client *client, u8 reg); -+static int w83791d_write(struct i2c_client *client, u8 reg, u8 value); - static struct w83791d_data *w83791d_update_device(struct device *dev); - - #ifdef DEBUG -diff -urNp linux-2.6.39.3/drivers/i2c/busses/i2c-at91.c linux-2.6.39.3/drivers/i2c/busses/i2c-at91.c ---- linux-2.6.39.3/drivers/i2c/busses/i2c-at91.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/i2c/busses/i2c-at91.c 2011-05-22 19:36:31.000000000 -0400 -@@ -181,7 +181,7 @@ static u32 at91_func(struct i2c_adapter - return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL; - } - --static struct i2c_algorithm at91_algorithm = { -+static const struct i2c_algorithm at91_algorithm = { - .master_xfer = at91_xfer, - .functionality = at91_func, - }; -diff -urNp linux-2.6.39.3/drivers/i2c/busses/i2c-bfin-twi.c linux-2.6.39.3/drivers/i2c/busses/i2c-bfin-twi.c ---- linux-2.6.39.3/drivers/i2c/busses/i2c-bfin-twi.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/i2c/busses/i2c-bfin-twi.c 2011-05-22 19:36:31.000000000 -0400 -@@ -599,7 +599,7 @@ static u32 bfin_twi_functionality(struct - I2C_FUNC_I2C | I2C_FUNC_SMBUS_I2C_BLOCK; - } - --static struct i2c_algorithm bfin_twi_algorithm = { -+static const struct i2c_algorithm bfin_twi_algorithm = { - .master_xfer = bfin_twi_master_xfer, - .smbus_xfer = bfin_twi_smbus_xfer, - .functionality = bfin_twi_functionality, -diff -urNp linux-2.6.39.3/drivers/i2c/busses/i2c-davinci.c linux-2.6.39.3/drivers/i2c/busses/i2c-davinci.c ---- linux-2.6.39.3/drivers/i2c/busses/i2c-davinci.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/i2c/busses/i2c-davinci.c 2011-05-22 19:36:31.000000000 -0400 -@@ -630,7 +630,7 @@ static inline void i2c_davinci_cpufreq_d - } - #endif - --static struct i2c_algorithm i2c_davinci_algo = { -+static const struct i2c_algorithm i2c_davinci_algo = { - .master_xfer = i2c_davinci_xfer, - .functionality = i2c_davinci_func, - }; -diff -urNp linux-2.6.39.3/drivers/i2c/busses/i2c-designware.c linux-2.6.39.3/drivers/i2c/busses/i2c-designware.c ---- linux-2.6.39.3/drivers/i2c/busses/i2c-designware.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/i2c/busses/i2c-designware.c 2011-05-22 19:36:31.000000000 -0400 -@@ -689,7 +689,7 @@ tx_aborted: - return IRQ_HANDLED; - } - --static struct i2c_algorithm i2c_dw_algo = { -+static const struct i2c_algorithm i2c_dw_algo = { - .master_xfer = i2c_dw_xfer, - .functionality = i2c_dw_func, - }; -diff -urNp linux-2.6.39.3/drivers/i2c/busses/i2c-eg20t.c linux-2.6.39.3/drivers/i2c/busses/i2c-eg20t.c ---- linux-2.6.39.3/drivers/i2c/busses/i2c-eg20t.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/i2c/busses/i2c-eg20t.c 2011-05-22 19:36:31.000000000 -0400 -@@ -708,7 +708,7 @@ static u32 pch_i2c_func(struct i2c_adapt - return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL | I2C_FUNC_10BIT_ADDR; - } - --static struct i2c_algorithm pch_algorithm = { -+static const struct i2c_algorithm pch_algorithm = { - .master_xfer = pch_i2c_xfer, - .functionality = pch_i2c_func - }; -diff -urNp linux-2.6.39.3/drivers/i2c/busses/i2c-imx.c linux-2.6.39.3/drivers/i2c/busses/i2c-imx.c ---- linux-2.6.39.3/drivers/i2c/busses/i2c-imx.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/i2c/busses/i2c-imx.c 2011-05-22 19:36:31.000000000 -0400 -@@ -457,7 +457,7 @@ static u32 i2c_imx_func(struct i2c_adapt - return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL; - } - --static struct i2c_algorithm i2c_imx_algo = { -+static const struct i2c_algorithm i2c_imx_algo = { - .master_xfer = i2c_imx_xfer, - .functionality = i2c_imx_func, - }; -diff -urNp linux-2.6.39.3/drivers/i2c/busses/i2c-intel-mid.c linux-2.6.39.3/drivers/i2c/busses/i2c-intel-mid.c ---- linux-2.6.39.3/drivers/i2c/busses/i2c-intel-mid.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/i2c/busses/i2c-intel-mid.c 2011-05-22 19:36:31.000000000 -0400 -@@ -917,7 +917,7 @@ err: - return IRQ_HANDLED; - } - --static struct i2c_algorithm intel_mid_i2c_algorithm = { -+static const struct i2c_algorithm intel_mid_i2c_algorithm = { - .master_xfer = intel_mid_i2c_xfer, - .functionality = intel_mid_i2c_func, - }; -diff -urNp linux-2.6.39.3/drivers/i2c/busses/i2c-nforce2.c linux-2.6.39.3/drivers/i2c/busses/i2c-nforce2.c ---- linux-2.6.39.3/drivers/i2c/busses/i2c-nforce2.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/i2c/busses/i2c-nforce2.c 2011-05-22 19:36:31.000000000 -0400 -@@ -303,7 +303,7 @@ static u32 nforce2_func(struct i2c_adapt - I2C_FUNC_SMBUS_BLOCK_DATA : 0); - } - --static struct i2c_algorithm smbus_algorithm = { -+static const struct i2c_algorithm smbus_algorithm = { - .smbus_xfer = nforce2_access, - .functionality = nforce2_func, - }; -diff -urNp linux-2.6.39.3/drivers/i2c/busses/i2c-pmcmsp.c linux-2.6.39.3/drivers/i2c/busses/i2c-pmcmsp.c ---- linux-2.6.39.3/drivers/i2c/busses/i2c-pmcmsp.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/i2c/busses/i2c-pmcmsp.c 2011-05-22 19:36:31.000000000 -0400 -@@ -615,7 +615,7 @@ static u32 pmcmsptwi_i2c_func(struct i2c - - /* -- Initialization -- */ - --static struct i2c_algorithm pmcmsptwi_algo = { -+static const struct i2c_algorithm pmcmsptwi_algo = { - .master_xfer = pmcmsptwi_master_xfer, - .functionality = pmcmsptwi_i2c_func, - }; -diff -urNp linux-2.6.39.3/drivers/i2c/busses/i2c-pnx.c linux-2.6.39.3/drivers/i2c/busses/i2c-pnx.c ---- linux-2.6.39.3/drivers/i2c/busses/i2c-pnx.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/i2c/busses/i2c-pnx.c 2011-05-22 19:36:31.000000000 -0400 -@@ -535,7 +535,7 @@ static u32 i2c_pnx_func(struct i2c_adapt - return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL; - } - --static struct i2c_algorithm pnx_algorithm = { -+static const struct i2c_algorithm pnx_algorithm = { - .master_xfer = i2c_pnx_xfer, - .functionality = i2c_pnx_func, - }; -diff -urNp linux-2.6.39.3/drivers/i2c/busses/i2c-puv3.c linux-2.6.39.3/drivers/i2c/busses/i2c-puv3.c ---- linux-2.6.39.3/drivers/i2c/busses/i2c-puv3.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/i2c/busses/i2c-puv3.c 2011-05-22 19:36:31.000000000 -0400 -@@ -176,7 +176,7 @@ static u32 puv3_i2c_func(struct i2c_adap - return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL; - } - --static struct i2c_algorithm puv3_i2c_algorithm = { -+static const struct i2c_algorithm puv3_i2c_algorithm = { - .master_xfer = puv3_i2c_xfer, - .functionality = puv3_i2c_func, - }; -diff -urNp linux-2.6.39.3/drivers/i2c/busses/i2c-s6000.c linux-2.6.39.3/drivers/i2c/busses/i2c-s6000.c ---- linux-2.6.39.3/drivers/i2c/busses/i2c-s6000.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/i2c/busses/i2c-s6000.c 2011-05-22 19:36:31.000000000 -0400 -@@ -243,7 +243,7 @@ static u32 s6i2c_functionality(struct i2 - return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL; - } - --static struct i2c_algorithm s6i2c_algorithm = { -+static const struct i2c_algorithm s6i2c_algorithm = { - .master_xfer = s6i2c_master_xfer, - .functionality = s6i2c_functionality, - }; -diff -urNp linux-2.6.39.3/drivers/i2c/busses/i2c-sh_mobile.c linux-2.6.39.3/drivers/i2c/busses/i2c-sh_mobile.c ---- linux-2.6.39.3/drivers/i2c/busses/i2c-sh_mobile.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/i2c/busses/i2c-sh_mobile.c 2011-05-22 19:36:31.000000000 -0400 -@@ -529,7 +529,7 @@ static u32 sh_mobile_i2c_func(struct i2c - return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL; - } - --static struct i2c_algorithm sh_mobile_i2c_algorithm = { -+static const struct i2c_algorithm sh_mobile_i2c_algorithm = { - .functionality = sh_mobile_i2c_func, - .master_xfer = sh_mobile_i2c_xfer, - }; -diff -urNp linux-2.6.39.3/drivers/ide/ide-cd.c linux-2.6.39.3/drivers/ide/ide-cd.c ---- linux-2.6.39.3/drivers/ide/ide-cd.c 2011-06-03 00:04:14.000000000 -0400 -+++ linux-2.6.39.3/drivers/ide/ide-cd.c 2011-06-03 00:32:05.000000000 -0400 -@@ -769,7 +769,7 @@ static void cdrom_do_block_pc(ide_drive_ - alignment = queue_dma_alignment(q) | q->dma_pad_mask; - if ((unsigned long)buf & alignment - || blk_rq_bytes(rq) & q->dma_pad_mask -- || object_is_on_stack(buf)) -+ || object_starts_on_stack(buf)) - drive->dma = 0; - } - } -diff -urNp linux-2.6.39.3/drivers/ide/ide-floppy.c linux-2.6.39.3/drivers/ide/ide-floppy.c ---- linux-2.6.39.3/drivers/ide/ide-floppy.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ide/ide-floppy.c 2011-05-22 19:36:31.000000000 -0400 -@@ -379,6 +379,8 @@ static int ide_floppy_get_capacity(ide_d - u8 pc_buf[256], header_len, desc_cnt; - int i, rc = 1, blocks, length; - -+ pax_track_stack(); -+ - ide_debug_log(IDE_DBG_FUNC, "enter"); - - drive->bios_cyl = 0; -diff -urNp linux-2.6.39.3/drivers/ide/it821x.c linux-2.6.39.3/drivers/ide/it821x.c ---- linux-2.6.39.3/drivers/ide/it821x.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ide/it821x.c 2011-05-22 19:36:31.000000000 -0400 -@@ -508,7 +508,7 @@ static void it821x_quirkproc(ide_drive_t - - } - --static struct ide_dma_ops it821x_pass_through_dma_ops = { -+static const struct ide_dma_ops it821x_pass_through_dma_ops = { - .dma_host_set = ide_dma_host_set, - .dma_setup = ide_dma_setup, - .dma_start = it821x_dma_start, -diff -urNp linux-2.6.39.3/drivers/ide/setup-pci.c linux-2.6.39.3/drivers/ide/setup-pci.c ---- linux-2.6.39.3/drivers/ide/setup-pci.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ide/setup-pci.c 2011-05-22 19:36:31.000000000 -0400 -@@ -542,6 +542,8 @@ int ide_pci_init_two(struct pci_dev *dev - int ret, i, n_ports = dev2 ? 4 : 2; - struct ide_hw hw[4], *hws[] = { NULL, NULL, NULL, NULL }; - -+ pax_track_stack(); -+ - for (i = 0; i < n_ports / 2; i++) { - ret = ide_setup_pci_controller(pdev[i], d, !i); - if (ret < 0) -diff -urNp linux-2.6.39.3/drivers/ide/trm290.c linux-2.6.39.3/drivers/ide/trm290.c ---- linux-2.6.39.3/drivers/ide/trm290.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ide/trm290.c 2011-05-22 19:36:31.000000000 -0400 -@@ -314,7 +314,7 @@ static const struct ide_tp_ops trm290_tp - .output_data = ide_output_data, - }; - --static struct ide_dma_ops trm290_dma_ops = { -+static const struct ide_dma_ops trm290_dma_ops = { - .dma_host_set = trm290_dma_host_set, - .dma_setup = trm290_dma_setup, - .dma_start = trm290_dma_start, -diff -urNp linux-2.6.39.3/drivers/infiniband/core/cm.c linux-2.6.39.3/drivers/infiniband/core/cm.c ---- linux-2.6.39.3/drivers/infiniband/core/cm.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/infiniband/core/cm.c 2011-05-22 19:36:31.000000000 -0400 -@@ -113,7 +113,7 @@ static char const counter_group_names[CM - - struct cm_counter_group { - struct kobject obj; -- atomic_long_t counter[CM_ATTR_COUNT]; -+ atomic_long_unchecked_t counter[CM_ATTR_COUNT]; - }; - - struct cm_counter_attribute { -@@ -1387,7 +1387,7 @@ static void cm_dup_req_handler(struct cm - struct ib_mad_send_buf *msg = NULL; - int ret; - -- atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES]. -+ atomic_long_inc_unchecked(&work->port->counter_group[CM_RECV_DUPLICATES]. - counter[CM_REQ_COUNTER]); - - /* Quick state check to discard duplicate REQs. */ -@@ -1765,7 +1765,7 @@ static void cm_dup_rep_handler(struct cm - if (!cm_id_priv) - return; - -- atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES]. -+ atomic_long_inc_unchecked(&work->port->counter_group[CM_RECV_DUPLICATES]. - counter[CM_REP_COUNTER]); - ret = cm_alloc_response_msg(work->port, work->mad_recv_wc, &msg); - if (ret) -@@ -1932,7 +1932,7 @@ static int cm_rtu_handler(struct cm_work - if (cm_id_priv->id.state != IB_CM_REP_SENT && - cm_id_priv->id.state != IB_CM_MRA_REP_RCVD) { - spin_unlock_irq(&cm_id_priv->lock); -- atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES]. -+ atomic_long_inc_unchecked(&work->port->counter_group[CM_RECV_DUPLICATES]. - counter[CM_RTU_COUNTER]); - goto out; - } -@@ -2115,7 +2115,7 @@ static int cm_dreq_handler(struct cm_wor - cm_id_priv = cm_acquire_id(dreq_msg->remote_comm_id, - dreq_msg->local_comm_id); - if (!cm_id_priv) { -- atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES]. -+ atomic_long_inc_unchecked(&work->port->counter_group[CM_RECV_DUPLICATES]. - counter[CM_DREQ_COUNTER]); - cm_issue_drep(work->port, work->mad_recv_wc); - return -EINVAL; -@@ -2140,7 +2140,7 @@ static int cm_dreq_handler(struct cm_wor - case IB_CM_MRA_REP_RCVD: - break; - case IB_CM_TIMEWAIT: -- atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES]. -+ atomic_long_inc_unchecked(&work->port->counter_group[CM_RECV_DUPLICATES]. - counter[CM_DREQ_COUNTER]); - if (cm_alloc_response_msg(work->port, work->mad_recv_wc, &msg)) - goto unlock; -@@ -2154,7 +2154,7 @@ static int cm_dreq_handler(struct cm_wor - cm_free_msg(msg); - goto deref; - case IB_CM_DREQ_RCVD: -- atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES]. -+ atomic_long_inc_unchecked(&work->port->counter_group[CM_RECV_DUPLICATES]. - counter[CM_DREQ_COUNTER]); - goto unlock; - default: -@@ -2521,7 +2521,7 @@ static int cm_mra_handler(struct cm_work - ib_modify_mad(cm_id_priv->av.port->mad_agent, - cm_id_priv->msg, timeout)) { - if (cm_id_priv->id.lap_state == IB_CM_MRA_LAP_RCVD) -- atomic_long_inc(&work->port-> -+ atomic_long_inc_unchecked(&work->port-> - counter_group[CM_RECV_DUPLICATES]. - counter[CM_MRA_COUNTER]); - goto out; -@@ -2530,7 +2530,7 @@ static int cm_mra_handler(struct cm_work - break; - case IB_CM_MRA_REQ_RCVD: - case IB_CM_MRA_REP_RCVD: -- atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES]. -+ atomic_long_inc_unchecked(&work->port->counter_group[CM_RECV_DUPLICATES]. - counter[CM_MRA_COUNTER]); - /* fall through */ - default: -@@ -2692,7 +2692,7 @@ static int cm_lap_handler(struct cm_work - case IB_CM_LAP_IDLE: - break; - case IB_CM_MRA_LAP_SENT: -- atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES]. -+ atomic_long_inc_unchecked(&work->port->counter_group[CM_RECV_DUPLICATES]. - counter[CM_LAP_COUNTER]); - if (cm_alloc_response_msg(work->port, work->mad_recv_wc, &msg)) - goto unlock; -@@ -2708,7 +2708,7 @@ static int cm_lap_handler(struct cm_work - cm_free_msg(msg); - goto deref; - case IB_CM_LAP_RCVD: -- atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES]. -+ atomic_long_inc_unchecked(&work->port->counter_group[CM_RECV_DUPLICATES]. - counter[CM_LAP_COUNTER]); - goto unlock; - default: -@@ -2992,7 +2992,7 @@ static int cm_sidr_req_handler(struct cm - cur_cm_id_priv = cm_insert_remote_sidr(cm_id_priv); - if (cur_cm_id_priv) { - spin_unlock_irq(&cm.lock); -- atomic_long_inc(&work->port->counter_group[CM_RECV_DUPLICATES]. -+ atomic_long_inc_unchecked(&work->port->counter_group[CM_RECV_DUPLICATES]. - counter[CM_SIDR_REQ_COUNTER]); - goto out; /* Duplicate message. */ - } -@@ -3204,10 +3204,10 @@ static void cm_send_handler(struct ib_ma - if (!msg->context[0] && (attr_index != CM_REJ_COUNTER)) - msg->retries = 1; - -- atomic_long_add(1 + msg->retries, -+ atomic_long_add_unchecked(1 + msg->retries, - &port->counter_group[CM_XMIT].counter[attr_index]); - if (msg->retries) -- atomic_long_add(msg->retries, -+ atomic_long_add_unchecked(msg->retries, - &port->counter_group[CM_XMIT_RETRIES]. - counter[attr_index]); - -@@ -3417,7 +3417,7 @@ static void cm_recv_handler(struct ib_ma - } - - attr_id = be16_to_cpu(mad_recv_wc->recv_buf.mad->mad_hdr.attr_id); -- atomic_long_inc(&port->counter_group[CM_RECV]. -+ atomic_long_inc_unchecked(&port->counter_group[CM_RECV]. - counter[attr_id - CM_ATTR_ID_OFFSET]); - - work = kmalloc(sizeof *work + sizeof(struct ib_sa_path_rec) * paths, -@@ -3615,7 +3615,7 @@ static ssize_t cm_show_counter(struct ko - cm_attr = container_of(attr, struct cm_counter_attribute, attr); - - return sprintf(buf, "%ld\n", -- atomic_long_read(&group->counter[cm_attr->index])); -+ atomic_long_read_unchecked(&group->counter[cm_attr->index])); - } - - static const struct sysfs_ops cm_counter_ops = { -diff -urNp linux-2.6.39.3/drivers/infiniband/core/fmr_pool.c linux-2.6.39.3/drivers/infiniband/core/fmr_pool.c ---- linux-2.6.39.3/drivers/infiniband/core/fmr_pool.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/infiniband/core/fmr_pool.c 2011-05-22 19:36:31.000000000 -0400 -@@ -97,8 +97,8 @@ struct ib_fmr_pool { - - struct task_struct *thread; - -- atomic_t req_ser; -- atomic_t flush_ser; -+ atomic_unchecked_t req_ser; -+ atomic_unchecked_t flush_ser; - - wait_queue_head_t force_wait; - }; -@@ -179,10 +179,10 @@ static int ib_fmr_cleanup_thread(void *p - struct ib_fmr_pool *pool = pool_ptr; - - do { -- if (atomic_read(&pool->flush_ser) - atomic_read(&pool->req_ser) < 0) { -+ if (atomic_read_unchecked(&pool->flush_ser) - atomic_read_unchecked(&pool->req_ser) < 0) { - ib_fmr_batch_release(pool); - -- atomic_inc(&pool->flush_ser); -+ atomic_inc_unchecked(&pool->flush_ser); - wake_up_interruptible(&pool->force_wait); - - if (pool->flush_function) -@@ -190,7 +190,7 @@ static int ib_fmr_cleanup_thread(void *p - } - - set_current_state(TASK_INTERRUPTIBLE); -- if (atomic_read(&pool->flush_ser) - atomic_read(&pool->req_ser) >= 0 && -+ if (atomic_read_unchecked(&pool->flush_ser) - atomic_read_unchecked(&pool->req_ser) >= 0 && - !kthread_should_stop()) - schedule(); - __set_current_state(TASK_RUNNING); -@@ -282,8 +282,8 @@ struct ib_fmr_pool *ib_create_fmr_pool(s - pool->dirty_watermark = params->dirty_watermark; - pool->dirty_len = 0; - spin_lock_init(&pool->pool_lock); -- atomic_set(&pool->req_ser, 0); -- atomic_set(&pool->flush_ser, 0); -+ atomic_set_unchecked(&pool->req_ser, 0); -+ atomic_set_unchecked(&pool->flush_ser, 0); - init_waitqueue_head(&pool->force_wait); - - pool->thread = kthread_run(ib_fmr_cleanup_thread, -@@ -411,11 +411,11 @@ int ib_flush_fmr_pool(struct ib_fmr_pool - } - spin_unlock_irq(&pool->pool_lock); - -- serial = atomic_inc_return(&pool->req_ser); -+ serial = atomic_inc_return_unchecked(&pool->req_ser); - wake_up_process(pool->thread); - - if (wait_event_interruptible(pool->force_wait, -- atomic_read(&pool->flush_ser) - serial >= 0)) -+ atomic_read_unchecked(&pool->flush_ser) - serial >= 0)) - return -EINTR; - - return 0; -@@ -525,7 +525,7 @@ int ib_fmr_pool_unmap(struct ib_pool_fmr - } else { - list_add_tail(&fmr->list, &pool->dirty_list); - if (++pool->dirty_len >= pool->dirty_watermark) { -- atomic_inc(&pool->req_ser); -+ atomic_inc_unchecked(&pool->req_ser); - wake_up_process(pool->thread); - } - } -diff -urNp linux-2.6.39.3/drivers/infiniband/hw/cxgb4/mem.c linux-2.6.39.3/drivers/infiniband/hw/cxgb4/mem.c ---- linux-2.6.39.3/drivers/infiniband/hw/cxgb4/mem.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/infiniband/hw/cxgb4/mem.c 2011-05-22 19:36:31.000000000 -0400 -@@ -122,7 +122,7 @@ static int write_tpt_entry(struct c4iw_r - int err; - struct fw_ri_tpte tpt; - u32 stag_idx; -- static atomic_t key; -+ static atomic_unchecked_t key; - - if (c4iw_fatal_error(rdev)) - return -EIO; -@@ -135,7 +135,7 @@ static int write_tpt_entry(struct c4iw_r - &rdev->resource.tpt_fifo_lock); - if (!stag_idx) - return -ENOMEM; -- *stag = (stag_idx << 8) | (atomic_inc_return(&key) & 0xff); -+ *stag = (stag_idx << 8) | (atomic_inc_return_unchecked(&key) & 0xff); - } - PDBG("%s stag_state 0x%0x type 0x%0x pdid 0x%0x, stag_idx 0x%x\n", - __func__, stag_state, type, pdid, stag_idx); -diff -urNp linux-2.6.39.3/drivers/infiniband/hw/ipath/ipath_dma.c linux-2.6.39.3/drivers/infiniband/hw/ipath/ipath_dma.c ---- linux-2.6.39.3/drivers/infiniband/hw/ipath/ipath_dma.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/infiniband/hw/ipath/ipath_dma.c 2011-05-22 19:36:31.000000000 -0400 -@@ -175,7 +175,7 @@ static void ipath_dma_free_coherent(stru - free_pages((unsigned long) cpu_addr, get_order(size)); - } - --struct ib_dma_mapping_ops ipath_dma_mapping_ops = { -+const struct ib_dma_mapping_ops ipath_dma_mapping_ops = { - ipath_mapping_error, - ipath_dma_map_single, - ipath_dma_unmap_single, -diff -urNp linux-2.6.39.3/drivers/infiniband/hw/ipath/ipath_fs.c linux-2.6.39.3/drivers/infiniband/hw/ipath/ipath_fs.c ---- linux-2.6.39.3/drivers/infiniband/hw/ipath/ipath_fs.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/infiniband/hw/ipath/ipath_fs.c 2011-05-22 19:36:31.000000000 -0400 -@@ -113,6 +113,8 @@ static ssize_t atomic_counters_read(stru - struct infinipath_counters counters; - struct ipath_devdata *dd; - -+ pax_track_stack(); -+ - dd = file->f_path.dentry->d_inode->i_private; - dd->ipath_f_read_counters(dd, &counters); - -diff -urNp linux-2.6.39.3/drivers/infiniband/hw/ipath/ipath_rc.c linux-2.6.39.3/drivers/infiniband/hw/ipath/ipath_rc.c ---- linux-2.6.39.3/drivers/infiniband/hw/ipath/ipath_rc.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/infiniband/hw/ipath/ipath_rc.c 2011-05-22 19:36:31.000000000 -0400 -@@ -1868,7 +1868,7 @@ void ipath_rc_rcv(struct ipath_ibdev *de - struct ib_atomic_eth *ateth; - struct ipath_ack_entry *e; - u64 vaddr; -- atomic64_t *maddr; -+ atomic64_unchecked_t *maddr; - u64 sdata; - u32 rkey; - u8 next; -@@ -1903,11 +1903,11 @@ void ipath_rc_rcv(struct ipath_ibdev *de - IB_ACCESS_REMOTE_ATOMIC))) - goto nack_acc_unlck; - /* Perform atomic OP and save result. */ -- maddr = (atomic64_t *) qp->r_sge.sge.vaddr; -+ maddr = (atomic64_unchecked_t *) qp->r_sge.sge.vaddr; - sdata = be64_to_cpu(ateth->swap_data); - e = &qp->s_ack_queue[qp->r_head_ack_queue]; - e->atomic_data = (opcode == OP(FETCH_ADD)) ? -- (u64) atomic64_add_return(sdata, maddr) - sdata : -+ (u64) atomic64_add_return_unchecked(sdata, maddr) - sdata : - (u64) cmpxchg((u64 *) qp->r_sge.sge.vaddr, - be64_to_cpu(ateth->compare_data), - sdata); -diff -urNp linux-2.6.39.3/drivers/infiniband/hw/ipath/ipath_ruc.c linux-2.6.39.3/drivers/infiniband/hw/ipath/ipath_ruc.c ---- linux-2.6.39.3/drivers/infiniband/hw/ipath/ipath_ruc.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/infiniband/hw/ipath/ipath_ruc.c 2011-05-22 19:36:31.000000000 -0400 -@@ -266,7 +266,7 @@ static void ipath_ruc_loopback(struct ip - unsigned long flags; - struct ib_wc wc; - u64 sdata; -- atomic64_t *maddr; -+ atomic64_unchecked_t *maddr; - enum ib_wc_status send_status; - - /* -@@ -382,11 +382,11 @@ again: - IB_ACCESS_REMOTE_ATOMIC))) - goto acc_err; - /* Perform atomic OP and save result. */ -- maddr = (atomic64_t *) qp->r_sge.sge.vaddr; -+ maddr = (atomic64_unchecked_t *) qp->r_sge.sge.vaddr; - sdata = wqe->wr.wr.atomic.compare_add; - *(u64 *) sqp->s_sge.sge.vaddr = - (wqe->wr.opcode == IB_WR_ATOMIC_FETCH_AND_ADD) ? -- (u64) atomic64_add_return(sdata, maddr) - sdata : -+ (u64) atomic64_add_return_unchecked(sdata, maddr) - sdata : - (u64) cmpxchg((u64 *) qp->r_sge.sge.vaddr, - sdata, wqe->wr.wr.atomic.swap); - goto send_comp; -diff -urNp linux-2.6.39.3/drivers/infiniband/hw/ipath/ipath_verbs.h linux-2.6.39.3/drivers/infiniband/hw/ipath/ipath_verbs.h ---- linux-2.6.39.3/drivers/infiniband/hw/ipath/ipath_verbs.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/infiniband/hw/ipath/ipath_verbs.h 2011-05-22 19:36:31.000000000 -0400 -@@ -931,6 +931,6 @@ extern unsigned int ib_ipath_max_srq_wrs - - extern const u32 ib_ipath_rnr_table[]; - --extern struct ib_dma_mapping_ops ipath_dma_mapping_ops; -+extern const struct ib_dma_mapping_ops ipath_dma_mapping_ops; - - #endif /* IPATH_VERBS_H */ -diff -urNp linux-2.6.39.3/drivers/infiniband/hw/nes/nes.c linux-2.6.39.3/drivers/infiniband/hw/nes/nes.c ---- linux-2.6.39.3/drivers/infiniband/hw/nes/nes.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/infiniband/hw/nes/nes.c 2011-05-22 19:36:31.000000000 -0400 -@@ -103,7 +103,7 @@ MODULE_PARM_DESC(limit_maxrdreqsz, "Limi - LIST_HEAD(nes_adapter_list); - static LIST_HEAD(nes_dev_list); - --atomic_t qps_destroyed; -+atomic_unchecked_t qps_destroyed; - - static unsigned int ee_flsh_adapter; - static unsigned int sysfs_nonidx_addr; -@@ -275,7 +275,7 @@ static void nes_cqp_rem_ref_callback(str - struct nes_qp *nesqp = cqp_request->cqp_callback_pointer; - struct nes_adapter *nesadapter = nesdev->nesadapter; - -- atomic_inc(&qps_destroyed); -+ atomic_inc_unchecked(&qps_destroyed); - - /* Free the control structures */ - -diff -urNp linux-2.6.39.3/drivers/infiniband/hw/nes/nes_cm.c linux-2.6.39.3/drivers/infiniband/hw/nes/nes_cm.c ---- linux-2.6.39.3/drivers/infiniband/hw/nes/nes_cm.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/infiniband/hw/nes/nes_cm.c 2011-05-22 19:36:31.000000000 -0400 -@@ -68,14 +68,14 @@ u32 cm_packets_dropped; - u32 cm_packets_retrans; - u32 cm_packets_created; - u32 cm_packets_received; --atomic_t cm_listens_created; --atomic_t cm_listens_destroyed; -+atomic_unchecked_t cm_listens_created; -+atomic_unchecked_t cm_listens_destroyed; - u32 cm_backlog_drops; --atomic_t cm_loopbacks; --atomic_t cm_nodes_created; --atomic_t cm_nodes_destroyed; --atomic_t cm_accel_dropped_pkts; --atomic_t cm_resets_recvd; -+atomic_unchecked_t cm_loopbacks; -+atomic_unchecked_t cm_nodes_created; -+atomic_unchecked_t cm_nodes_destroyed; -+atomic_unchecked_t cm_accel_dropped_pkts; -+atomic_unchecked_t cm_resets_recvd; - - static inline int mini_cm_accelerated(struct nes_cm_core *, - struct nes_cm_node *); -@@ -151,13 +151,13 @@ static struct nes_cm_ops nes_cm_api = { - - static struct nes_cm_core *g_cm_core; - --atomic_t cm_connects; --atomic_t cm_accepts; --atomic_t cm_disconnects; --atomic_t cm_closes; --atomic_t cm_connecteds; --atomic_t cm_connect_reqs; --atomic_t cm_rejects; -+atomic_unchecked_t cm_connects; -+atomic_unchecked_t cm_accepts; -+atomic_unchecked_t cm_disconnects; -+atomic_unchecked_t cm_closes; -+atomic_unchecked_t cm_connecteds; -+atomic_unchecked_t cm_connect_reqs; -+atomic_unchecked_t cm_rejects; - - - /** -@@ -1045,7 +1045,7 @@ static int mini_cm_dec_refcnt_listen(str - kfree(listener); - listener = NULL; - ret = 0; -- atomic_inc(&cm_listens_destroyed); -+ atomic_inc_unchecked(&cm_listens_destroyed); - } else { - spin_unlock_irqrestore(&cm_core->listen_list_lock, flags); - } -@@ -1240,7 +1240,7 @@ static struct nes_cm_node *make_cm_node( - cm_node->rem_mac); - - add_hte_node(cm_core, cm_node); -- atomic_inc(&cm_nodes_created); -+ atomic_inc_unchecked(&cm_nodes_created); - - return cm_node; - } -@@ -1298,7 +1298,7 @@ static int rem_ref_cm_node(struct nes_cm - } - - atomic_dec(&cm_core->node_cnt); -- atomic_inc(&cm_nodes_destroyed); -+ atomic_inc_unchecked(&cm_nodes_destroyed); - nesqp = cm_node->nesqp; - if (nesqp) { - nesqp->cm_node = NULL; -@@ -1365,7 +1365,7 @@ static int process_options(struct nes_cm - - static void drop_packet(struct sk_buff *skb) - { -- atomic_inc(&cm_accel_dropped_pkts); -+ atomic_inc_unchecked(&cm_accel_dropped_pkts); - dev_kfree_skb_any(skb); - } - -@@ -1428,7 +1428,7 @@ static void handle_rst_pkt(struct nes_cm - { - - int reset = 0; /* whether to send reset in case of err.. */ -- atomic_inc(&cm_resets_recvd); -+ atomic_inc_unchecked(&cm_resets_recvd); - nes_debug(NES_DBG_CM, "Received Reset, cm_node = %p, state = %u." - " refcnt=%d\n", cm_node, cm_node->state, - atomic_read(&cm_node->ref_count)); -@@ -2057,7 +2057,7 @@ static struct nes_cm_node *mini_cm_conne - rem_ref_cm_node(cm_node->cm_core, cm_node); - return NULL; - } -- atomic_inc(&cm_loopbacks); -+ atomic_inc_unchecked(&cm_loopbacks); - loopbackremotenode->loopbackpartner = cm_node; - loopbackremotenode->tcp_cntxt.rcv_wscale = - NES_CM_DEFAULT_RCV_WND_SCALE; -@@ -2332,7 +2332,7 @@ static int mini_cm_recv_pkt(struct nes_c - add_ref_cm_node(cm_node); - } else if (cm_node->state == NES_CM_STATE_TSA) { - rem_ref_cm_node(cm_core, cm_node); -- atomic_inc(&cm_accel_dropped_pkts); -+ atomic_inc_unchecked(&cm_accel_dropped_pkts); - dev_kfree_skb_any(skb); - break; - } -@@ -2638,7 +2638,7 @@ static int nes_cm_disconn_true(struct ne - - if ((cm_id) && (cm_id->event_handler)) { - if (issue_disconn) { -- atomic_inc(&cm_disconnects); -+ atomic_inc_unchecked(&cm_disconnects); - cm_event.event = IW_CM_EVENT_DISCONNECT; - cm_event.status = disconn_status; - cm_event.local_addr = cm_id->local_addr; -@@ -2660,7 +2660,7 @@ static int nes_cm_disconn_true(struct ne - } - - if (issue_close) { -- atomic_inc(&cm_closes); -+ atomic_inc_unchecked(&cm_closes); - nes_disconnect(nesqp, 1); - - cm_id->provider_data = nesqp; -@@ -2791,7 +2791,7 @@ int nes_accept(struct iw_cm_id *cm_id, s - - nes_debug(NES_DBG_CM, "QP%u, cm_node=%p, jiffies = %lu listener = %p\n", - nesqp->hwqp.qp_id, cm_node, jiffies, cm_node->listener); -- atomic_inc(&cm_accepts); -+ atomic_inc_unchecked(&cm_accepts); - - nes_debug(NES_DBG_CM, "netdev refcnt = %u.\n", - netdev_refcnt_read(nesvnic->netdev)); -@@ -3001,7 +3001,7 @@ int nes_reject(struct iw_cm_id *cm_id, c - - struct nes_cm_core *cm_core; - -- atomic_inc(&cm_rejects); -+ atomic_inc_unchecked(&cm_rejects); - cm_node = (struct nes_cm_node *) cm_id->provider_data; - loopback = cm_node->loopbackpartner; - cm_core = cm_node->cm_core; -@@ -3067,7 +3067,7 @@ int nes_connect(struct iw_cm_id *cm_id, - ntohl(cm_id->local_addr.sin_addr.s_addr), - ntohs(cm_id->local_addr.sin_port)); - -- atomic_inc(&cm_connects); -+ atomic_inc_unchecked(&cm_connects); - nesqp->active_conn = 1; - - /* cache the cm_id in the qp */ -@@ -3173,7 +3173,7 @@ int nes_create_listen(struct iw_cm_id *c - g_cm_core->api->stop_listener(g_cm_core, (void *)cm_node); - return err; - } -- atomic_inc(&cm_listens_created); -+ atomic_inc_unchecked(&cm_listens_created); - } - - cm_id->add_ref(cm_id); -@@ -3278,7 +3278,7 @@ static void cm_event_connected(struct ne - if (nesqp->destroyed) { - return; - } -- atomic_inc(&cm_connecteds); -+ atomic_inc_unchecked(&cm_connecteds); - nes_debug(NES_DBG_CM, "QP%u attempting to connect to 0x%08X:0x%04X on" - " local port 0x%04X. jiffies = %lu.\n", - nesqp->hwqp.qp_id, -@@ -3493,7 +3493,7 @@ static void cm_event_reset(struct nes_cm - - cm_id->add_ref(cm_id); - ret = cm_id->event_handler(cm_id, &cm_event); -- atomic_inc(&cm_closes); -+ atomic_inc_unchecked(&cm_closes); - cm_event.event = IW_CM_EVENT_CLOSE; - cm_event.status = IW_CM_EVENT_STATUS_OK; - cm_event.provider_data = cm_id->provider_data; -@@ -3529,7 +3529,7 @@ static void cm_event_mpa_req(struct nes_ - return; - cm_id = cm_node->cm_id; - -- atomic_inc(&cm_connect_reqs); -+ atomic_inc_unchecked(&cm_connect_reqs); - nes_debug(NES_DBG_CM, "cm_node = %p - cm_id = %p, jiffies = %lu\n", - cm_node, cm_id, jiffies); - -@@ -3567,7 +3567,7 @@ static void cm_event_mpa_reject(struct n - return; - cm_id = cm_node->cm_id; - -- atomic_inc(&cm_connect_reqs); -+ atomic_inc_unchecked(&cm_connect_reqs); - nes_debug(NES_DBG_CM, "cm_node = %p - cm_id = %p, jiffies = %lu\n", - cm_node, cm_id, jiffies); - -diff -urNp linux-2.6.39.3/drivers/infiniband/hw/nes/nes.h linux-2.6.39.3/drivers/infiniband/hw/nes/nes.h ---- linux-2.6.39.3/drivers/infiniband/hw/nes/nes.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/infiniband/hw/nes/nes.h 2011-05-22 19:36:31.000000000 -0400 -@@ -175,17 +175,17 @@ extern unsigned int nes_debug_level; - extern unsigned int wqm_quanta; - extern struct list_head nes_adapter_list; - --extern atomic_t cm_connects; --extern atomic_t cm_accepts; --extern atomic_t cm_disconnects; --extern atomic_t cm_closes; --extern atomic_t cm_connecteds; --extern atomic_t cm_connect_reqs; --extern atomic_t cm_rejects; --extern atomic_t mod_qp_timouts; --extern atomic_t qps_created; --extern atomic_t qps_destroyed; --extern atomic_t sw_qps_destroyed; -+extern atomic_unchecked_t cm_connects; -+extern atomic_unchecked_t cm_accepts; -+extern atomic_unchecked_t cm_disconnects; -+extern atomic_unchecked_t cm_closes; -+extern atomic_unchecked_t cm_connecteds; -+extern atomic_unchecked_t cm_connect_reqs; -+extern atomic_unchecked_t cm_rejects; -+extern atomic_unchecked_t mod_qp_timouts; -+extern atomic_unchecked_t qps_created; -+extern atomic_unchecked_t qps_destroyed; -+extern atomic_unchecked_t sw_qps_destroyed; - extern u32 mh_detected; - extern u32 mh_pauses_sent; - extern u32 cm_packets_sent; -@@ -194,14 +194,14 @@ extern u32 cm_packets_created; - extern u32 cm_packets_received; - extern u32 cm_packets_dropped; - extern u32 cm_packets_retrans; --extern atomic_t cm_listens_created; --extern atomic_t cm_listens_destroyed; -+extern atomic_unchecked_t cm_listens_created; -+extern atomic_unchecked_t cm_listens_destroyed; - extern u32 cm_backlog_drops; --extern atomic_t cm_loopbacks; --extern atomic_t cm_nodes_created; --extern atomic_t cm_nodes_destroyed; --extern atomic_t cm_accel_dropped_pkts; --extern atomic_t cm_resets_recvd; -+extern atomic_unchecked_t cm_loopbacks; -+extern atomic_unchecked_t cm_nodes_created; -+extern atomic_unchecked_t cm_nodes_destroyed; -+extern atomic_unchecked_t cm_accel_dropped_pkts; -+extern atomic_unchecked_t cm_resets_recvd; - - extern u32 int_mod_timer_init; - extern u32 int_mod_cq_depth_256; -diff -urNp linux-2.6.39.3/drivers/infiniband/hw/nes/nes_nic.c linux-2.6.39.3/drivers/infiniband/hw/nes/nes_nic.c ---- linux-2.6.39.3/drivers/infiniband/hw/nes/nes_nic.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/infiniband/hw/nes/nes_nic.c 2011-05-22 19:36:31.000000000 -0400 -@@ -1302,31 +1302,31 @@ static void nes_netdev_get_ethtool_stats - target_stat_values[++index] = mh_detected; - target_stat_values[++index] = mh_pauses_sent; - target_stat_values[++index] = nesvnic->endnode_ipv4_tcp_retransmits; -- target_stat_values[++index] = atomic_read(&cm_connects); -- target_stat_values[++index] = atomic_read(&cm_accepts); -- target_stat_values[++index] = atomic_read(&cm_disconnects); -- target_stat_values[++index] = atomic_read(&cm_connecteds); -- target_stat_values[++index] = atomic_read(&cm_connect_reqs); -- target_stat_values[++index] = atomic_read(&cm_rejects); -- target_stat_values[++index] = atomic_read(&mod_qp_timouts); -- target_stat_values[++index] = atomic_read(&qps_created); -- target_stat_values[++index] = atomic_read(&sw_qps_destroyed); -- target_stat_values[++index] = atomic_read(&qps_destroyed); -- target_stat_values[++index] = atomic_read(&cm_closes); -+ target_stat_values[++index] = atomic_read_unchecked(&cm_connects); -+ target_stat_values[++index] = atomic_read_unchecked(&cm_accepts); -+ target_stat_values[++index] = atomic_read_unchecked(&cm_disconnects); -+ target_stat_values[++index] = atomic_read_unchecked(&cm_connecteds); -+ target_stat_values[++index] = atomic_read_unchecked(&cm_connect_reqs); -+ target_stat_values[++index] = atomic_read_unchecked(&cm_rejects); -+ target_stat_values[++index] = atomic_read_unchecked(&mod_qp_timouts); -+ target_stat_values[++index] = atomic_read_unchecked(&qps_created); -+ target_stat_values[++index] = atomic_read_unchecked(&sw_qps_destroyed); -+ target_stat_values[++index] = atomic_read_unchecked(&qps_destroyed); -+ target_stat_values[++index] = atomic_read_unchecked(&cm_closes); - target_stat_values[++index] = cm_packets_sent; - target_stat_values[++index] = cm_packets_bounced; - target_stat_values[++index] = cm_packets_created; - target_stat_values[++index] = cm_packets_received; - target_stat_values[++index] = cm_packets_dropped; - target_stat_values[++index] = cm_packets_retrans; -- target_stat_values[++index] = atomic_read(&cm_listens_created); -- target_stat_values[++index] = atomic_read(&cm_listens_destroyed); -+ target_stat_values[++index] = atomic_read_unchecked(&cm_listens_created); -+ target_stat_values[++index] = atomic_read_unchecked(&cm_listens_destroyed); - target_stat_values[++index] = cm_backlog_drops; -- target_stat_values[++index] = atomic_read(&cm_loopbacks); -- target_stat_values[++index] = atomic_read(&cm_nodes_created); -- target_stat_values[++index] = atomic_read(&cm_nodes_destroyed); -- target_stat_values[++index] = atomic_read(&cm_accel_dropped_pkts); -- target_stat_values[++index] = atomic_read(&cm_resets_recvd); -+ target_stat_values[++index] = atomic_read_unchecked(&cm_loopbacks); -+ target_stat_values[++index] = atomic_read_unchecked(&cm_nodes_created); -+ target_stat_values[++index] = atomic_read_unchecked(&cm_nodes_destroyed); -+ target_stat_values[++index] = atomic_read_unchecked(&cm_accel_dropped_pkts); -+ target_stat_values[++index] = atomic_read_unchecked(&cm_resets_recvd); - target_stat_values[++index] = nesadapter->free_4kpbl; - target_stat_values[++index] = nesadapter->free_256pbl; - target_stat_values[++index] = int_mod_timer_init; -diff -urNp linux-2.6.39.3/drivers/infiniband/hw/nes/nes_verbs.c linux-2.6.39.3/drivers/infiniband/hw/nes/nes_verbs.c ---- linux-2.6.39.3/drivers/infiniband/hw/nes/nes_verbs.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/infiniband/hw/nes/nes_verbs.c 2011-05-22 19:36:31.000000000 -0400 -@@ -46,9 +46,9 @@ - - #include <rdma/ib_umem.h> - --atomic_t mod_qp_timouts; --atomic_t qps_created; --atomic_t sw_qps_destroyed; -+atomic_unchecked_t mod_qp_timouts; -+atomic_unchecked_t qps_created; -+atomic_unchecked_t sw_qps_destroyed; - - static void nes_unregister_ofa_device(struct nes_ib_device *nesibdev); - -@@ -1141,7 +1141,7 @@ static struct ib_qp *nes_create_qp(struc - if (init_attr->create_flags) - return ERR_PTR(-EINVAL); - -- atomic_inc(&qps_created); -+ atomic_inc_unchecked(&qps_created); - switch (init_attr->qp_type) { - case IB_QPT_RC: - if (nes_drv_opt & NES_DRV_OPT_NO_INLINE_DATA) { -@@ -1470,7 +1470,7 @@ static int nes_destroy_qp(struct ib_qp * - struct iw_cm_event cm_event; - int ret; - -- atomic_inc(&sw_qps_destroyed); -+ atomic_inc_unchecked(&sw_qps_destroyed); - nesqp->destroyed = 1; - - /* Blow away the connection if it exists. */ -diff -urNp linux-2.6.39.3/drivers/infiniband/hw/qib/qib.h linux-2.6.39.3/drivers/infiniband/hw/qib/qib.h ---- linux-2.6.39.3/drivers/infiniband/hw/qib/qib.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/infiniband/hw/qib/qib.h 2011-05-22 19:36:31.000000000 -0400 -@@ -51,6 +51,7 @@ - #include <linux/completion.h> - #include <linux/kref.h> - #include <linux/sched.h> -+#include <linux/slab.h> - - #include "qib_common.h" - #include "qib_verbs.h" -@@ -87,7 +88,7 @@ struct qlogic_ib_stats { - }; - - extern struct qlogic_ib_stats qib_stats; --extern struct pci_error_handlers qib_pci_err_handler; -+extern const struct pci_error_handlers qib_pci_err_handler; - extern struct pci_driver qib_driver; - - #define QIB_CHIP_SWVERSION QIB_CHIP_VERS_MAJ -diff -urNp linux-2.6.39.3/drivers/infiniband/hw/qib/qib_mmap.c linux-2.6.39.3/drivers/infiniband/hw/qib/qib_mmap.c ---- linux-2.6.39.3/drivers/infiniband/hw/qib/qib_mmap.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/infiniband/hw/qib/qib_mmap.c 2011-05-22 19:36:31.000000000 -0400 -@@ -75,7 +75,7 @@ static void qib_vma_close(struct vm_area - kref_put(&ip->ref, qib_release_mmap_info); - } - --static struct vm_operations_struct qib_vm_ops = { -+static const struct vm_operations_struct qib_vm_ops = { - .open = qib_vma_open, - .close = qib_vma_close, - }; -diff -urNp linux-2.6.39.3/drivers/infiniband/hw/qib/qib_pcie.c linux-2.6.39.3/drivers/infiniband/hw/qib/qib_pcie.c ---- linux-2.6.39.3/drivers/infiniband/hw/qib/qib_pcie.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/infiniband/hw/qib/qib_pcie.c 2011-05-22 19:36:31.000000000 -0400 -@@ -735,7 +735,7 @@ qib_pci_resume(struct pci_dev *pdev) - qib_init(dd, 1); /* same as re-init after reset */ - } - --struct pci_error_handlers qib_pci_err_handler = { -+const struct pci_error_handlers qib_pci_err_handler = { - .error_detected = qib_pci_error_detected, - .mmio_enabled = qib_pci_mmio_enabled, - .link_reset = qib_pci_link_reset, -diff -urNp linux-2.6.39.3/drivers/input/gameport/gameport.c linux-2.6.39.3/drivers/input/gameport/gameport.c ---- linux-2.6.39.3/drivers/input/gameport/gameport.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/input/gameport/gameport.c 2011-05-22 19:36:31.000000000 -0400 -@@ -488,14 +488,14 @@ EXPORT_SYMBOL(gameport_set_phys); - */ - static void gameport_init_port(struct gameport *gameport) - { -- static atomic_t gameport_no = ATOMIC_INIT(0); -+ static atomic_unchecked_t gameport_no = ATOMIC_INIT(0); - - __module_get(THIS_MODULE); - - mutex_init(&gameport->drv_mutex); - device_initialize(&gameport->dev); - dev_set_name(&gameport->dev, "gameport%lu", -- (unsigned long)atomic_inc_return(&gameport_no) - 1); -+ (unsigned long)atomic_inc_return_unchecked(&gameport_no) - 1); - gameport->dev.bus = &gameport_bus; - gameport->dev.release = gameport_release_port; - if (gameport->parent) -diff -urNp linux-2.6.39.3/drivers/input/input.c linux-2.6.39.3/drivers/input/input.c ---- linux-2.6.39.3/drivers/input/input.c 2011-07-09 09:18:51.000000000 -0400 -+++ linux-2.6.39.3/drivers/input/input.c 2011-07-09 09:19:18.000000000 -0400 -@@ -1815,7 +1815,7 @@ static void input_cleanse_bitmasks(struc - */ - int input_register_device(struct input_dev *dev) - { -- static atomic_t input_no = ATOMIC_INIT(0); -+ static atomic_unchecked_t input_no = ATOMIC_INIT(0); - struct input_handler *handler; - const char *path; - int error; -@@ -1852,7 +1852,7 @@ int input_register_device(struct input_d - dev->setkeycode = input_default_setkeycode; - - dev_set_name(&dev->dev, "input%ld", -- (unsigned long) atomic_inc_return(&input_no) - 1); -+ (unsigned long) atomic_inc_return_unchecked(&input_no) - 1); - - error = device_add(&dev->dev); - if (error) -diff -urNp linux-2.6.39.3/drivers/input/joystick/sidewinder.c linux-2.6.39.3/drivers/input/joystick/sidewinder.c ---- linux-2.6.39.3/drivers/input/joystick/sidewinder.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/input/joystick/sidewinder.c 2011-05-22 19:36:31.000000000 -0400 -@@ -30,6 +30,7 @@ - #include <linux/kernel.h> - #include <linux/module.h> - #include <linux/slab.h> -+#include <linux/sched.h> - #include <linux/init.h> - #include <linux/input.h> - #include <linux/gameport.h> -@@ -428,6 +429,8 @@ static int sw_read(struct sw *sw) - unsigned char buf[SW_LENGTH]; - int i; - -+ pax_track_stack(); -+ - i = sw_read_packet(sw->gameport, buf, sw->length, 0); - - if (sw->type == SW_ID_3DP && sw->length == 66 && i != 66) { /* Broken packet, try to fix */ -diff -urNp linux-2.6.39.3/drivers/input/joystick/xpad.c linux-2.6.39.3/drivers/input/joystick/xpad.c ---- linux-2.6.39.3/drivers/input/joystick/xpad.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/input/joystick/xpad.c 2011-05-22 19:36:31.000000000 -0400 -@@ -689,7 +689,7 @@ static void xpad_led_set(struct led_clas - - static int xpad_led_probe(struct usb_xpad *xpad) - { -- static atomic_t led_seq = ATOMIC_INIT(0); -+ static atomic_unchecked_t led_seq = ATOMIC_INIT(0); - long led_no; - struct xpad_led *led; - struct led_classdev *led_cdev; -@@ -702,7 +702,7 @@ static int xpad_led_probe(struct usb_xpa - if (!led) - return -ENOMEM; - -- led_no = (long)atomic_inc_return(&led_seq) - 1; -+ led_no = (long)atomic_inc_return_unchecked(&led_seq) - 1; - - snprintf(led->name, sizeof(led->name), "xpad%ld", led_no); - led->xpad = xpad; -diff -urNp linux-2.6.39.3/drivers/input/mousedev.c linux-2.6.39.3/drivers/input/mousedev.c ---- linux-2.6.39.3/drivers/input/mousedev.c 2011-07-09 09:18:51.000000000 -0400 -+++ linux-2.6.39.3/drivers/input/mousedev.c 2011-07-09 09:19:18.000000000 -0400 -@@ -764,7 +764,7 @@ static ssize_t mousedev_read(struct file - - spin_unlock_irq(&client->packet_lock); - -- if (copy_to_user(buffer, data, count)) -+ if (count > sizeof(data) || copy_to_user(buffer, data, count)) - return -EFAULT; - - return count; -diff -urNp linux-2.6.39.3/drivers/input/serio/serio.c linux-2.6.39.3/drivers/input/serio/serio.c ---- linux-2.6.39.3/drivers/input/serio/serio.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/input/serio/serio.c 2011-05-22 19:36:31.000000000 -0400 -@@ -497,7 +497,7 @@ static void serio_release_port(struct de - */ - static void serio_init_port(struct serio *serio) - { -- static atomic_t serio_no = ATOMIC_INIT(0); -+ static atomic_unchecked_t serio_no = ATOMIC_INIT(0); - - __module_get(THIS_MODULE); - -@@ -508,7 +508,7 @@ static void serio_init_port(struct serio - mutex_init(&serio->drv_mutex); - device_initialize(&serio->dev); - dev_set_name(&serio->dev, "serio%ld", -- (long)atomic_inc_return(&serio_no) - 1); -+ (long)atomic_inc_return_unchecked(&serio_no) - 1); - serio->dev.bus = &serio_bus; - serio->dev.release = serio_release_port; - serio->dev.groups = serio_device_attr_groups; -diff -urNp linux-2.6.39.3/drivers/isdn/capi/capi.c linux-2.6.39.3/drivers/isdn/capi/capi.c ---- linux-2.6.39.3/drivers/isdn/capi/capi.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/isdn/capi/capi.c 2011-05-22 19:36:31.000000000 -0400 -@@ -89,8 +89,8 @@ struct capiminor { - - struct capi20_appl *ap; - u32 ncci; -- atomic_t datahandle; -- atomic_t msgid; -+ atomic_unchecked_t datahandle; -+ atomic_unchecked_t msgid; - - struct tty_port port; - int ttyinstop; -@@ -414,7 +414,7 @@ gen_data_b3_resp_for(struct capiminor *m - capimsg_setu16(s, 2, mp->ap->applid); - capimsg_setu8 (s, 4, CAPI_DATA_B3); - capimsg_setu8 (s, 5, CAPI_RESP); -- capimsg_setu16(s, 6, atomic_inc_return(&mp->msgid)); -+ capimsg_setu16(s, 6, atomic_inc_return_unchecked(&mp->msgid)); - capimsg_setu32(s, 8, mp->ncci); - capimsg_setu16(s, 12, datahandle); - } -@@ -547,14 +547,14 @@ static void handle_minor_send(struct cap - mp->outbytes -= len; - spin_unlock_bh(&mp->outlock); - -- datahandle = atomic_inc_return(&mp->datahandle); -+ datahandle = atomic_inc_return_unchecked(&mp->datahandle); - skb_push(skb, CAPI_DATA_B3_REQ_LEN); - memset(skb->data, 0, CAPI_DATA_B3_REQ_LEN); - capimsg_setu16(skb->data, 0, CAPI_DATA_B3_REQ_LEN); - capimsg_setu16(skb->data, 2, mp->ap->applid); - capimsg_setu8 (skb->data, 4, CAPI_DATA_B3); - capimsg_setu8 (skb->data, 5, CAPI_REQ); -- capimsg_setu16(skb->data, 6, atomic_inc_return(&mp->msgid)); -+ capimsg_setu16(skb->data, 6, atomic_inc_return_unchecked(&mp->msgid)); - capimsg_setu32(skb->data, 8, mp->ncci); /* NCCI */ - capimsg_setu32(skb->data, 12, (u32)(long)skb->data);/* Data32 */ - capimsg_setu16(skb->data, 16, len); /* Data length */ -diff -urNp linux-2.6.39.3/drivers/isdn/gigaset/common.c linux-2.6.39.3/drivers/isdn/gigaset/common.c ---- linux-2.6.39.3/drivers/isdn/gigaset/common.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/isdn/gigaset/common.c 2011-05-22 19:36:31.000000000 -0400 -@@ -723,7 +723,7 @@ struct cardstate *gigaset_initcs(struct - cs->commands_pending = 0; - cs->cur_at_seq = 0; - cs->gotfwver = -1; -- cs->open_count = 0; -+ local_set(&cs->open_count, 0); - cs->dev = NULL; - cs->tty = NULL; - cs->tty_dev = NULL; -diff -urNp linux-2.6.39.3/drivers/isdn/gigaset/gigaset.h linux-2.6.39.3/drivers/isdn/gigaset/gigaset.h ---- linux-2.6.39.3/drivers/isdn/gigaset/gigaset.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/isdn/gigaset/gigaset.h 2011-05-22 19:36:31.000000000 -0400 -@@ -35,6 +35,7 @@ - #include <linux/tty_driver.h> - #include <linux/list.h> - #include <asm/atomic.h> -+#include <asm/local.h> - - #define GIG_VERSION {0, 5, 0, 0} - #define GIG_COMPAT {0, 4, 0, 0} -@@ -433,7 +434,7 @@ struct cardstate { - spinlock_t cmdlock; - unsigned curlen, cmdbytes; - -- unsigned open_count; -+ local_t open_count; - struct tty_struct *tty; - struct tasklet_struct if_wake_tasklet; - unsigned control_state; -diff -urNp linux-2.6.39.3/drivers/isdn/gigaset/interface.c linux-2.6.39.3/drivers/isdn/gigaset/interface.c ---- linux-2.6.39.3/drivers/isdn/gigaset/interface.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/isdn/gigaset/interface.c 2011-05-22 19:36:31.000000000 -0400 -@@ -160,9 +160,7 @@ static int if_open(struct tty_struct *tt - return -ERESTARTSYS; - tty->driver_data = cs; - -- ++cs->open_count; -- -- if (cs->open_count == 1) { -+ if (local_inc_return(&cs->open_count) == 1) { - spin_lock_irqsave(&cs->lock, flags); - cs->tty = tty; - spin_unlock_irqrestore(&cs->lock, flags); -@@ -190,10 +188,10 @@ static void if_close(struct tty_struct * - - if (!cs->connected) - gig_dbg(DEBUG_IF, "not connected"); /* nothing to do */ -- else if (!cs->open_count) -+ else if (!local_read(&cs->open_count)) - dev_warn(cs->dev, "%s: device not opened\n", __func__); - else { -- if (!--cs->open_count) { -+ if (!local_dec_return(&cs->open_count)) { - spin_lock_irqsave(&cs->lock, flags); - cs->tty = NULL; - spin_unlock_irqrestore(&cs->lock, flags); -@@ -228,7 +226,7 @@ static int if_ioctl(struct tty_struct *t - if (!cs->connected) { - gig_dbg(DEBUG_IF, "not connected"); - retval = -ENODEV; -- } else if (!cs->open_count) -+ } else if (!local_read(&cs->open_count)) - dev_warn(cs->dev, "%s: device not opened\n", __func__); - else { - retval = 0; -@@ -358,7 +356,7 @@ static int if_write(struct tty_struct *t - retval = -ENODEV; - goto done; - } -- if (!cs->open_count) { -+ if (!local_read(&cs->open_count)) { - dev_warn(cs->dev, "%s: device not opened\n", __func__); - retval = -ENODEV; - goto done; -@@ -411,7 +409,7 @@ static int if_write_room(struct tty_stru - if (!cs->connected) { - gig_dbg(DEBUG_IF, "not connected"); - retval = -ENODEV; -- } else if (!cs->open_count) -+ } else if (!local_read(&cs->open_count)) - dev_warn(cs->dev, "%s: device not opened\n", __func__); - else if (cs->mstate != MS_LOCKED) { - dev_warn(cs->dev, "can't write to unlocked device\n"); -@@ -441,7 +439,7 @@ static int if_chars_in_buffer(struct tty - - if (!cs->connected) - gig_dbg(DEBUG_IF, "not connected"); -- else if (!cs->open_count) -+ else if (!local_read(&cs->open_count)) - dev_warn(cs->dev, "%s: device not opened\n", __func__); - else if (cs->mstate != MS_LOCKED) - dev_warn(cs->dev, "can't write to unlocked device\n"); -@@ -469,7 +467,7 @@ static void if_throttle(struct tty_struc - - if (!cs->connected) - gig_dbg(DEBUG_IF, "not connected"); /* nothing to do */ -- else if (!cs->open_count) -+ else if (!local_read(&cs->open_count)) - dev_warn(cs->dev, "%s: device not opened\n", __func__); - else - gig_dbg(DEBUG_IF, "%s: not implemented\n", __func__); -@@ -493,7 +491,7 @@ static void if_unthrottle(struct tty_str - - if (!cs->connected) - gig_dbg(DEBUG_IF, "not connected"); /* nothing to do */ -- else if (!cs->open_count) -+ else if (!local_read(&cs->open_count)) - dev_warn(cs->dev, "%s: device not opened\n", __func__); - else - gig_dbg(DEBUG_IF, "%s: not implemented\n", __func__); -@@ -524,7 +522,7 @@ static void if_set_termios(struct tty_st - goto out; - } - -- if (!cs->open_count) { -+ if (!local_read(&cs->open_count)) { - dev_warn(cs->dev, "%s: device not opened\n", __func__); - goto out; - } -diff -urNp linux-2.6.39.3/drivers/isdn/hardware/avm/b1.c linux-2.6.39.3/drivers/isdn/hardware/avm/b1.c ---- linux-2.6.39.3/drivers/isdn/hardware/avm/b1.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/isdn/hardware/avm/b1.c 2011-05-22 19:36:31.000000000 -0400 -@@ -176,7 +176,7 @@ int b1_load_t4file(avmcard *card, capilo - } - if (left) { - if (t4file->user) { -- if (copy_from_user(buf, dp, left)) -+ if (left > sizeof buf || copy_from_user(buf, dp, left)) - return -EFAULT; - } else { - memcpy(buf, dp, left); -@@ -224,7 +224,7 @@ int b1_load_config(avmcard *card, capilo - } - if (left) { - if (config->user) { -- if (copy_from_user(buf, dp, left)) -+ if (left > sizeof buf || copy_from_user(buf, dp, left)) - return -EFAULT; - } else { - memcpy(buf, dp, left); -diff -urNp linux-2.6.39.3/drivers/isdn/hardware/eicon/capidtmf.c linux-2.6.39.3/drivers/isdn/hardware/eicon/capidtmf.c ---- linux-2.6.39.3/drivers/isdn/hardware/eicon/capidtmf.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/isdn/hardware/eicon/capidtmf.c 2011-05-22 19:36:31.000000000 -0400 -@@ -498,6 +498,7 @@ void capidtmf_recv_block (t_capidtmf_sta - byte goertzel_result_buffer[CAPIDTMF_RECV_TOTAL_FREQUENCY_COUNT]; - short windowed_sample_buffer[CAPIDTMF_RECV_WINDOWED_SAMPLES]; - -+ pax_track_stack(); - - if (p_state->recv.state & CAPIDTMF_RECV_STATE_DTMF_ACTIVE) - { -diff -urNp linux-2.6.39.3/drivers/isdn/hardware/eicon/capifunc.c linux-2.6.39.3/drivers/isdn/hardware/eicon/capifunc.c ---- linux-2.6.39.3/drivers/isdn/hardware/eicon/capifunc.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/isdn/hardware/eicon/capifunc.c 2011-05-22 19:36:31.000000000 -0400 -@@ -1055,6 +1055,8 @@ static int divacapi_connect_didd(void) - IDI_SYNC_REQ req; - DESCRIPTOR DIDD_Table[MAX_DESCRIPTORS]; - -+ pax_track_stack(); -+ - DIVA_DIDD_Read(DIDD_Table, sizeof(DIDD_Table)); - - for (x = 0; x < MAX_DESCRIPTORS; x++) { -diff -urNp linux-2.6.39.3/drivers/isdn/hardware/eicon/diddfunc.c linux-2.6.39.3/drivers/isdn/hardware/eicon/diddfunc.c ---- linux-2.6.39.3/drivers/isdn/hardware/eicon/diddfunc.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/isdn/hardware/eicon/diddfunc.c 2011-05-22 19:36:31.000000000 -0400 -@@ -54,6 +54,8 @@ static int DIVA_INIT_FUNCTION connect_di - IDI_SYNC_REQ req; - DESCRIPTOR DIDD_Table[MAX_DESCRIPTORS]; - -+ pax_track_stack(); -+ - DIVA_DIDD_Read(DIDD_Table, sizeof(DIDD_Table)); - - for (x = 0; x < MAX_DESCRIPTORS; x++) { -diff -urNp linux-2.6.39.3/drivers/isdn/hardware/eicon/divasfunc.c linux-2.6.39.3/drivers/isdn/hardware/eicon/divasfunc.c ---- linux-2.6.39.3/drivers/isdn/hardware/eicon/divasfunc.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/isdn/hardware/eicon/divasfunc.c 2011-05-22 19:36:31.000000000 -0400 -@@ -161,6 +161,8 @@ static int DIVA_INIT_FUNCTION connect_di - IDI_SYNC_REQ req; - DESCRIPTOR DIDD_Table[MAX_DESCRIPTORS]; - -+ pax_track_stack(); -+ - DIVA_DIDD_Read(DIDD_Table, sizeof(DIDD_Table)); - - for (x = 0; x < MAX_DESCRIPTORS; x++) { -diff -urNp linux-2.6.39.3/drivers/isdn/hardware/eicon/idifunc.c linux-2.6.39.3/drivers/isdn/hardware/eicon/idifunc.c ---- linux-2.6.39.3/drivers/isdn/hardware/eicon/idifunc.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/isdn/hardware/eicon/idifunc.c 2011-05-22 19:36:31.000000000 -0400 -@@ -188,6 +188,8 @@ static int DIVA_INIT_FUNCTION connect_di - IDI_SYNC_REQ req; - DESCRIPTOR DIDD_Table[MAX_DESCRIPTORS]; - -+ pax_track_stack(); -+ - DIVA_DIDD_Read(DIDD_Table, sizeof(DIDD_Table)); - - for (x = 0; x < MAX_DESCRIPTORS; x++) { -diff -urNp linux-2.6.39.3/drivers/isdn/hardware/eicon/message.c linux-2.6.39.3/drivers/isdn/hardware/eicon/message.c ---- linux-2.6.39.3/drivers/isdn/hardware/eicon/message.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/isdn/hardware/eicon/message.c 2011-05-22 19:36:31.000000000 -0400 -@@ -4889,6 +4889,8 @@ static void sig_ind(PLCI *plci) - dword d; - word w; - -+ pax_track_stack(); -+ - a = plci->adapter; - Id = ((word)plci->Id<<8)|a->Id; - PUT_WORD(&SS_Ind[4],0x0000); -@@ -7484,6 +7486,8 @@ static word add_b1(PLCI *plci, API_PARSE - word j, n, w; - dword d; - -+ pax_track_stack(); -+ - - for(i=0;i<8;i++) bp_parms[i].length = 0; - for(i=0;i<2;i++) global_config[i].length = 0; -@@ -7958,6 +7962,8 @@ static word add_b23(PLCI *plci, API_PARS - const byte llc3[] = {4,3,2,2,6,6,0}; - const byte header[] = {0,2,3,3,0,0,0}; - -+ pax_track_stack(); -+ - for(i=0;i<8;i++) bp_parms[i].length = 0; - for(i=0;i<6;i++) b2_config_parms[i].length = 0; - for(i=0;i<5;i++) b3_config_parms[i].length = 0; -@@ -14760,6 +14766,8 @@ static void group_optimization(DIVA_CAPI - word appl_number_group_type[MAX_APPL]; - PLCI *auxplci; - -+ pax_track_stack(); -+ - set_group_ind_mask (plci); /* all APPLs within this inc. call are allowed to dial in */ - - if(!a->group_optimization_enabled) -diff -urNp linux-2.6.39.3/drivers/isdn/hardware/eicon/mntfunc.c linux-2.6.39.3/drivers/isdn/hardware/eicon/mntfunc.c ---- linux-2.6.39.3/drivers/isdn/hardware/eicon/mntfunc.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/isdn/hardware/eicon/mntfunc.c 2011-05-22 19:36:31.000000000 -0400 -@@ -79,6 +79,8 @@ static int DIVA_INIT_FUNCTION connect_di - IDI_SYNC_REQ req; - DESCRIPTOR DIDD_Table[MAX_DESCRIPTORS]; - -+ pax_track_stack(); -+ - DIVA_DIDD_Read(DIDD_Table, sizeof(DIDD_Table)); - - for (x = 0; x < MAX_DESCRIPTORS; x++) { -diff -urNp linux-2.6.39.3/drivers/isdn/i4l/isdn_common.c linux-2.6.39.3/drivers/isdn/i4l/isdn_common.c ---- linux-2.6.39.3/drivers/isdn/i4l/isdn_common.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/isdn/i4l/isdn_common.c 2011-05-22 19:36:31.000000000 -0400 -@@ -1292,6 +1292,8 @@ isdn_ioctl(struct file *file, uint cmd, - } iocpar; - void __user *argp = (void __user *)arg; - -+ pax_track_stack(); -+ - #define name iocpar.name - #define bname iocpar.bname - #define iocts iocpar.iocts -diff -urNp linux-2.6.39.3/drivers/isdn/i4l/isdn_net.c linux-2.6.39.3/drivers/isdn/i4l/isdn_net.c ---- linux-2.6.39.3/drivers/isdn/i4l/isdn_net.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/isdn/i4l/isdn_net.c 2011-05-22 19:36:31.000000000 -0400 -@@ -400,7 +400,7 @@ isdn_net_stat_callback(int idx, isdn_ctr - isdn_net_local *lp = p->local; - #ifdef CONFIG_ISDN_X25 - struct concap_proto *cprot = lp->netdev->cprot; -- struct concap_proto_ops *pops = cprot ? cprot->pops : NULL; -+ const struct concap_proto_ops *pops = cprot ? cprot->pops : NULL; - #endif - switch (cmd) { - case ISDN_STAT_BSENT: -@@ -831,7 +831,7 @@ isdn_net_hangup(struct net_device *d) - isdn_ctrl cmd; - #ifdef CONFIG_ISDN_X25 - struct concap_proto *cprot = lp->netdev->cprot; -- struct concap_proto_ops *pops = cprot ? cprot->pops : NULL; -+ const struct concap_proto_ops *pops = cprot ? cprot->pops : NULL; - #endif - - if (lp->flags & ISDN_NET_CONNECTED) { -diff -urNp linux-2.6.39.3/drivers/isdn/i4l/isdn_x25iface.c linux-2.6.39.3/drivers/isdn/i4l/isdn_x25iface.c ---- linux-2.6.39.3/drivers/isdn/i4l/isdn_x25iface.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/isdn/i4l/isdn_x25iface.c 2011-05-22 19:36:31.000000000 -0400 -@@ -52,7 +52,7 @@ static int isdn_x25iface_connect_ind( st - static int isdn_x25iface_disconn_ind( struct concap_proto * ); - - --static struct concap_proto_ops ix25_pops = { -+static const struct concap_proto_ops ix25_pops = { - &isdn_x25iface_proto_new, - &isdn_x25iface_proto_del, - &isdn_x25iface_proto_restart, -diff -urNp linux-2.6.39.3/drivers/isdn/i4l/isdn_x25iface.h linux-2.6.39.3/drivers/isdn/i4l/isdn_x25iface.h ---- linux-2.6.39.3/drivers/isdn/i4l/isdn_x25iface.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/isdn/i4l/isdn_x25iface.h 2011-05-22 19:36:31.000000000 -0400 -@@ -23,7 +23,7 @@ - #include <linux/isdn.h> - #include <linux/concap.h> - --extern struct concap_proto_ops * isdn_x25iface_concap_proto_ops_pt; -+extern const struct concap_proto_ops *isdn_x25iface_concap_proto_ops_pt; - extern struct concap_proto * isdn_x25iface_proto_new(void); - - -diff -urNp linux-2.6.39.3/drivers/isdn/icn/icn.c linux-2.6.39.3/drivers/isdn/icn/icn.c ---- linux-2.6.39.3/drivers/isdn/icn/icn.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/isdn/icn/icn.c 2011-05-22 19:36:31.000000000 -0400 -@@ -1045,7 +1045,7 @@ icn_writecmd(const u_char * buf, int len - if (count > len) - count = len; - if (user) { -- if (copy_from_user(msg, buf, count)) -+ if (count > sizeof msg || copy_from_user(msg, buf, count)) - return -EFAULT; - } else - memcpy(msg, buf, count); -diff -urNp linux-2.6.39.3/drivers/lguest/core.c linux-2.6.39.3/drivers/lguest/core.c ---- linux-2.6.39.3/drivers/lguest/core.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/lguest/core.c 2011-05-22 19:36:31.000000000 -0400 -@@ -92,9 +92,17 @@ static __init int map_switcher(void) - * it's worked so far. The end address needs +1 because __get_vm_area - * allocates an extra guard page, so we need space for that. - */ -+ -+#if defined(CONFIG_MODULES) && defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC) -+ switcher_vma = __get_vm_area(TOTAL_SWITCHER_PAGES * PAGE_SIZE, -+ VM_ALLOC | VM_KERNEXEC, SWITCHER_ADDR, SWITCHER_ADDR -+ + (TOTAL_SWITCHER_PAGES+1) * PAGE_SIZE); -+#else - switcher_vma = __get_vm_area(TOTAL_SWITCHER_PAGES * PAGE_SIZE, - VM_ALLOC, SWITCHER_ADDR, SWITCHER_ADDR - + (TOTAL_SWITCHER_PAGES+1) * PAGE_SIZE); -+#endif -+ - if (!switcher_vma) { - err = -ENOMEM; - printk("lguest: could not map switcher pages high\n"); -@@ -119,7 +127,7 @@ static __init int map_switcher(void) - * Now the Switcher is mapped at the right address, we can't fail! - * Copy in the compiled-in Switcher code (from <arch>_switcher.S). - */ -- memcpy(switcher_vma->addr, start_switcher_text, -+ memcpy(switcher_vma->addr, ktla_ktva(start_switcher_text), - end_switcher_text - start_switcher_text); - - printk(KERN_INFO "lguest: mapped switcher at %p\n", -diff -urNp linux-2.6.39.3/drivers/lguest/lguest_device.c linux-2.6.39.3/drivers/lguest/lguest_device.c ---- linux-2.6.39.3/drivers/lguest/lguest_device.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/lguest/lguest_device.c 2011-05-22 19:36:31.000000000 -0400 -@@ -374,7 +374,7 @@ error: - } - - /* The ops structure which hooks everything together. */ --static struct virtio_config_ops lguest_config_ops = { -+static const struct virtio_config_ops lguest_config_ops = { - .get_features = lg_get_features, - .finalize_features = lg_finalize_features, - .get = lg_get, -diff -urNp linux-2.6.39.3/drivers/lguest/x86/core.c linux-2.6.39.3/drivers/lguest/x86/core.c ---- linux-2.6.39.3/drivers/lguest/x86/core.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/lguest/x86/core.c 2011-05-22 19:36:31.000000000 -0400 -@@ -59,7 +59,7 @@ static struct { - /* Offset from where switcher.S was compiled to where we've copied it */ - static unsigned long switcher_offset(void) - { -- return SWITCHER_ADDR - (unsigned long)start_switcher_text; -+ return SWITCHER_ADDR - (unsigned long)ktla_ktva(start_switcher_text); - } - - /* This cpu's struct lguest_pages. */ -@@ -100,7 +100,13 @@ static void copy_in_guest_info(struct lg - * These copies are pretty cheap, so we do them unconditionally: */ - /* Save the current Host top-level page directory. - */ -+ -+#ifdef CONFIG_PAX_PER_CPU_PGD -+ pages->state.host_cr3 = read_cr3(); -+#else - pages->state.host_cr3 = __pa(current->mm->pgd); -+#endif -+ - /* - * Set up the Guest's page tables to see this CPU's pages (and no - * other CPU's pages). -@@ -547,7 +553,7 @@ void __init lguest_arch_host_init(void) - * compiled-in switcher code and the high-mapped copy we just made. - */ - for (i = 0; i < IDT_ENTRIES; i++) -- default_idt_entries[i] += switcher_offset(); -+ default_idt_entries[i] = ktla_ktva(default_idt_entries[i]) + switcher_offset(); - - /* - * Set up the Switcher's per-cpu areas. -@@ -630,7 +636,7 @@ void __init lguest_arch_host_init(void) - * it will be undisturbed when we switch. To change %cs and jump we - * need this structure to feed to Intel's "lcall" instruction. - */ -- lguest_entry.offset = (long)switch_to_guest + switcher_offset(); -+ lguest_entry.offset = (long)ktla_ktva(switch_to_guest) + switcher_offset(); - lguest_entry.segment = LGUEST_CS; - - /* -diff -urNp linux-2.6.39.3/drivers/lguest/x86/switcher_32.S linux-2.6.39.3/drivers/lguest/x86/switcher_32.S ---- linux-2.6.39.3/drivers/lguest/x86/switcher_32.S 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/lguest/x86/switcher_32.S 2011-05-22 19:36:31.000000000 -0400 -@@ -87,6 +87,7 @@ - #include <asm/page.h> - #include <asm/segment.h> - #include <asm/lguest.h> -+#include <asm/processor-flags.h> - - // We mark the start of the code to copy - // It's placed in .text tho it's never run here -@@ -149,6 +150,13 @@ ENTRY(switch_to_guest) - // Changes type when we load it: damn Intel! - // For after we switch over our page tables - // That entry will be read-only: we'd crash. -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ mov %cr0, %edx -+ xor $X86_CR0_WP, %edx -+ mov %edx, %cr0 -+#endif -+ - movl $(GDT_ENTRY_TSS*8), %edx - ltr %dx - -@@ -157,9 +165,15 @@ ENTRY(switch_to_guest) - // Let's clear it again for our return. - // The GDT descriptor of the Host - // Points to the table after two "size" bytes -- movl (LGUEST_PAGES_host_gdt_desc+2)(%eax), %edx -+ movl (LGUEST_PAGES_host_gdt_desc+2)(%eax), %eax - // Clear "used" from type field (byte 5, bit 2) -- andb $0xFD, (GDT_ENTRY_TSS*8 + 5)(%edx) -+ andb $0xFD, (GDT_ENTRY_TSS*8 + 5)(%eax) -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ mov %cr0, %eax -+ xor $X86_CR0_WP, %eax -+ mov %eax, %cr0 -+#endif - - // Once our page table's switched, the Guest is live! - // The Host fades as we run this final step. -@@ -295,13 +309,12 @@ deliver_to_host: - // I consulted gcc, and it gave - // These instructions, which I gladly credit: - leal (%edx,%ebx,8), %eax -- movzwl (%eax),%edx -- movl 4(%eax), %eax -- xorw %ax, %ax -- orl %eax, %edx -+ movl 4(%eax), %edx -+ movw (%eax), %dx - // Now the address of the handler's in %edx - // We call it now: its "iret" drops us home. -- jmp *%edx -+ ljmp $__KERNEL_CS, $1f -+1: jmp *%edx - - // Every interrupt can come to us here - // But we must truly tell each apart. -diff -urNp linux-2.6.39.3/drivers/md/dm.c linux-2.6.39.3/drivers/md/dm.c ---- linux-2.6.39.3/drivers/md/dm.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/md/dm.c 2011-05-22 19:36:31.000000000 -0400 -@@ -162,9 +162,9 @@ struct mapped_device { - /* - * Event handling. - */ -- atomic_t event_nr; -+ atomic_unchecked_t event_nr; - wait_queue_head_t eventq; -- atomic_t uevent_seq; -+ atomic_unchecked_t uevent_seq; - struct list_head uevent_list; - spinlock_t uevent_lock; /* Protect access to uevent_list */ - -@@ -1836,8 +1836,8 @@ static struct mapped_device *alloc_dev(i - rwlock_init(&md->map_lock); - atomic_set(&md->holders, 1); - atomic_set(&md->open_count, 0); -- atomic_set(&md->event_nr, 0); -- atomic_set(&md->uevent_seq, 0); -+ atomic_set_unchecked(&md->event_nr, 0); -+ atomic_set_unchecked(&md->uevent_seq, 0); - INIT_LIST_HEAD(&md->uevent_list); - spin_lock_init(&md->uevent_lock); - -@@ -1971,7 +1971,7 @@ static void event_callback(void *context - - dm_send_uevents(&uevents, &disk_to_dev(md->disk)->kobj); - -- atomic_inc(&md->event_nr); -+ atomic_inc_unchecked(&md->event_nr); - wake_up(&md->eventq); - } - -@@ -2547,18 +2547,18 @@ int dm_kobject_uevent(struct mapped_devi - - uint32_t dm_next_uevent_seq(struct mapped_device *md) - { -- return atomic_add_return(1, &md->uevent_seq); -+ return atomic_add_return_unchecked(1, &md->uevent_seq); - } - - uint32_t dm_get_event_nr(struct mapped_device *md) - { -- return atomic_read(&md->event_nr); -+ return atomic_read_unchecked(&md->event_nr); - } - - int dm_wait_event(struct mapped_device *md, int event_nr) - { - return wait_event_interruptible(md->eventq, -- (event_nr != atomic_read(&md->event_nr))); -+ (event_nr != atomic_read_unchecked(&md->event_nr))); - } - - void dm_uevent_add(struct mapped_device *md, struct list_head *elist) -diff -urNp linux-2.6.39.3/drivers/md/dm-crypt.c linux-2.6.39.3/drivers/md/dm-crypt.c ---- linux-2.6.39.3/drivers/md/dm-crypt.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/md/dm-crypt.c 2011-05-22 19:36:31.000000000 -0400 -@@ -138,7 +138,7 @@ struct crypt_config { - char *cipher; - char *cipher_string; - -- struct crypt_iv_operations *iv_gen_ops; -+ const struct crypt_iv_operations *iv_gen_ops; - union { - struct iv_essiv_private essiv; - struct iv_benbi_private benbi; -@@ -620,15 +620,15 @@ static int crypt_iv_lmk_post(struct cryp - return r; - } - --static struct crypt_iv_operations crypt_iv_plain_ops = { -+static const struct crypt_iv_operations crypt_iv_plain_ops = { - .generator = crypt_iv_plain_gen - }; - --static struct crypt_iv_operations crypt_iv_plain64_ops = { -+static const struct crypt_iv_operations crypt_iv_plain64_ops = { - .generator = crypt_iv_plain64_gen - }; - --static struct crypt_iv_operations crypt_iv_essiv_ops = { -+static const struct crypt_iv_operations crypt_iv_essiv_ops = { - .ctr = crypt_iv_essiv_ctr, - .dtr = crypt_iv_essiv_dtr, - .init = crypt_iv_essiv_init, -@@ -636,17 +636,17 @@ static struct crypt_iv_operations crypt_ - .generator = crypt_iv_essiv_gen - }; - --static struct crypt_iv_operations crypt_iv_benbi_ops = { -+static const struct crypt_iv_operations crypt_iv_benbi_ops = { - .ctr = crypt_iv_benbi_ctr, - .dtr = crypt_iv_benbi_dtr, - .generator = crypt_iv_benbi_gen - }; - --static struct crypt_iv_operations crypt_iv_null_ops = { -+static const struct crypt_iv_operations crypt_iv_null_ops = { - .generator = crypt_iv_null_gen - }; - --static struct crypt_iv_operations crypt_iv_lmk_ops = { -+static const struct crypt_iv_operations crypt_iv_lmk_ops = { - .ctr = crypt_iv_lmk_ctr, - .dtr = crypt_iv_lmk_dtr, - .init = crypt_iv_lmk_init, -diff -urNp linux-2.6.39.3/drivers/md/dm-ioctl.c linux-2.6.39.3/drivers/md/dm-ioctl.c ---- linux-2.6.39.3/drivers/md/dm-ioctl.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/md/dm-ioctl.c 2011-05-22 19:36:31.000000000 -0400 -@@ -1551,7 +1551,7 @@ static int validate_params(uint cmd, str - cmd == DM_LIST_VERSIONS_CMD) - return 0; - -- if ((cmd == DM_DEV_CREATE_CMD)) { -+ if (cmd == DM_DEV_CREATE_CMD) { - if (!*param->name) { - DMWARN("name not supplied when creating device"); - return -EINVAL; -diff -urNp linux-2.6.39.3/drivers/md/dm-raid1.c linux-2.6.39.3/drivers/md/dm-raid1.c ---- linux-2.6.39.3/drivers/md/dm-raid1.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/md/dm-raid1.c 2011-05-22 19:36:31.000000000 -0400 -@@ -42,7 +42,7 @@ enum dm_raid1_error { - - struct mirror { - struct mirror_set *ms; -- atomic_t error_count; -+ atomic_unchecked_t error_count; - unsigned long error_type; - struct dm_dev *dev; - sector_t offset; -@@ -187,7 +187,7 @@ static struct mirror *get_valid_mirror(s - struct mirror *m; - - for (m = ms->mirror; m < ms->mirror + ms->nr_mirrors; m++) -- if (!atomic_read(&m->error_count)) -+ if (!atomic_read_unchecked(&m->error_count)) - return m; - - return NULL; -@@ -219,7 +219,7 @@ static void fail_mirror(struct mirror *m - * simple way to tell if a device has encountered - * errors. - */ -- atomic_inc(&m->error_count); -+ atomic_inc_unchecked(&m->error_count); - - if (test_and_set_bit(error_type, &m->error_type)) - return; -@@ -410,7 +410,7 @@ static struct mirror *choose_mirror(stru - struct mirror *m = get_default_mirror(ms); - - do { -- if (likely(!atomic_read(&m->error_count))) -+ if (likely(!atomic_read_unchecked(&m->error_count))) - return m; - - if (m-- == ms->mirror) -@@ -424,7 +424,7 @@ static int default_ok(struct mirror *m) - { - struct mirror *default_mirror = get_default_mirror(m->ms); - -- return !atomic_read(&default_mirror->error_count); -+ return !atomic_read_unchecked(&default_mirror->error_count); - } - - static int mirror_available(struct mirror_set *ms, struct bio *bio) -@@ -561,7 +561,7 @@ static void do_reads(struct mirror_set * - */ - if (likely(region_in_sync(ms, region, 1))) - m = choose_mirror(ms, bio->bi_sector); -- else if (m && atomic_read(&m->error_count)) -+ else if (m && atomic_read_unchecked(&m->error_count)) - m = NULL; - - if (likely(m)) -@@ -939,7 +939,7 @@ static int get_mirror(struct mirror_set - } - - ms->mirror[mirror].ms = ms; -- atomic_set(&(ms->mirror[mirror].error_count), 0); -+ atomic_set_unchecked(&(ms->mirror[mirror].error_count), 0); - ms->mirror[mirror].error_type = 0; - ms->mirror[mirror].offset = offset; - -@@ -1347,7 +1347,7 @@ static void mirror_resume(struct dm_targ - */ - static char device_status_char(struct mirror *m) - { -- if (!atomic_read(&(m->error_count))) -+ if (!atomic_read_unchecked(&(m->error_count))) - return 'A'; - - return (test_bit(DM_RAID1_FLUSH_ERROR, &(m->error_type))) ? 'F' : -diff -urNp linux-2.6.39.3/drivers/md/dm-stripe.c linux-2.6.39.3/drivers/md/dm-stripe.c ---- linux-2.6.39.3/drivers/md/dm-stripe.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/md/dm-stripe.c 2011-05-22 19:36:31.000000000 -0400 -@@ -20,7 +20,7 @@ struct stripe { - struct dm_dev *dev; - sector_t physical_start; - -- atomic_t error_count; -+ atomic_unchecked_t error_count; - }; - - struct stripe_c { -@@ -192,7 +192,7 @@ static int stripe_ctr(struct dm_target * - kfree(sc); - return r; - } -- atomic_set(&(sc->stripe[i].error_count), 0); -+ atomic_set_unchecked(&(sc->stripe[i].error_count), 0); - } - - ti->private = sc; -@@ -314,7 +314,7 @@ static int stripe_status(struct dm_targe - DMEMIT("%d ", sc->stripes); - for (i = 0; i < sc->stripes; i++) { - DMEMIT("%s ", sc->stripe[i].dev->name); -- buffer[i] = atomic_read(&(sc->stripe[i].error_count)) ? -+ buffer[i] = atomic_read_unchecked(&(sc->stripe[i].error_count)) ? - 'D' : 'A'; - } - buffer[i] = '\0'; -@@ -361,8 +361,8 @@ static int stripe_end_io(struct dm_targe - */ - for (i = 0; i < sc->stripes; i++) - if (!strcmp(sc->stripe[i].dev->name, major_minor)) { -- atomic_inc(&(sc->stripe[i].error_count)); -- if (atomic_read(&(sc->stripe[i].error_count)) < -+ atomic_inc_unchecked(&(sc->stripe[i].error_count)); -+ if (atomic_read_unchecked(&(sc->stripe[i].error_count)) < - DM_IO_ERROR_THRESHOLD) - schedule_work(&sc->trigger_event); - } -diff -urNp linux-2.6.39.3/drivers/md/dm-table.c linux-2.6.39.3/drivers/md/dm-table.c ---- linux-2.6.39.3/drivers/md/dm-table.c 2011-06-03 00:04:14.000000000 -0400 -+++ linux-2.6.39.3/drivers/md/dm-table.c 2011-06-03 00:32:05.000000000 -0400 -@@ -390,7 +390,7 @@ static int device_area_is_invalid(struct - if (!dev_size) - return 0; - -- if ((start >= dev_size) || (start + len > dev_size)) { -+ if ((start >= dev_size) || (len > dev_size - start)) { - DMWARN("%s: %s too small for target: " - "start=%llu, len=%llu, dev_size=%llu", - dm_device_name(ti->table->md), bdevname(bdev, b), -diff -urNp linux-2.6.39.3/drivers/md/md.c linux-2.6.39.3/drivers/md/md.c ---- linux-2.6.39.3/drivers/md/md.c 2011-07-09 09:18:51.000000000 -0400 -+++ linux-2.6.39.3/drivers/md/md.c 2011-07-09 09:19:18.000000000 -0400 -@@ -226,10 +226,10 @@ EXPORT_SYMBOL_GPL(bio_clone_mddev); - * start build, activate spare - */ - static DECLARE_WAIT_QUEUE_HEAD(md_event_waiters); --static atomic_t md_event_count; -+static atomic_unchecked_t md_event_count; - void md_new_event(mddev_t *mddev) - { -- atomic_inc(&md_event_count); -+ atomic_inc_unchecked(&md_event_count); - wake_up(&md_event_waiters); - } - EXPORT_SYMBOL_GPL(md_new_event); -@@ -239,7 +239,7 @@ EXPORT_SYMBOL_GPL(md_new_event); - */ - static void md_new_event_inintr(mddev_t *mddev) - { -- atomic_inc(&md_event_count); -+ atomic_inc_unchecked(&md_event_count); - wake_up(&md_event_waiters); - } - -@@ -1454,7 +1454,7 @@ static int super_1_load(mdk_rdev_t *rdev - - rdev->preferred_minor = 0xffff; - rdev->data_offset = le64_to_cpu(sb->data_offset); -- atomic_set(&rdev->corrected_errors, le32_to_cpu(sb->cnt_corrected_read)); -+ atomic_set_unchecked(&rdev->corrected_errors, le32_to_cpu(sb->cnt_corrected_read)); - - rdev->sb_size = le32_to_cpu(sb->max_dev) * 2 + 256; - bmask = queue_logical_block_size(rdev->bdev->bd_disk->queue)-1; -@@ -1632,7 +1632,7 @@ static void super_1_sync(mddev_t *mddev, - else - sb->resync_offset = cpu_to_le64(0); - -- sb->cnt_corrected_read = cpu_to_le32(atomic_read(&rdev->corrected_errors)); -+ sb->cnt_corrected_read = cpu_to_le32(atomic_read_unchecked(&rdev->corrected_errors)); - - sb->raid_disks = cpu_to_le32(mddev->raid_disks); - sb->size = cpu_to_le64(mddev->dev_sectors); -@@ -2414,7 +2414,7 @@ __ATTR(state, S_IRUGO|S_IWUSR, state_sho - static ssize_t - errors_show(mdk_rdev_t *rdev, char *page) - { -- return sprintf(page, "%d\n", atomic_read(&rdev->corrected_errors)); -+ return sprintf(page, "%d\n", atomic_read_unchecked(&rdev->corrected_errors)); - } - - static ssize_t -@@ -2423,7 +2423,7 @@ errors_store(mdk_rdev_t *rdev, const cha - char *e; - unsigned long n = simple_strtoul(buf, &e, 10); - if (*buf && (*e == 0 || *e == '\n')) { -- atomic_set(&rdev->corrected_errors, n); -+ atomic_set_unchecked(&rdev->corrected_errors, n); - return len; - } - return -EINVAL; -@@ -2779,8 +2779,8 @@ void md_rdev_init(mdk_rdev_t *rdev) - rdev->last_read_error.tv_sec = 0; - rdev->last_read_error.tv_nsec = 0; - atomic_set(&rdev->nr_pending, 0); -- atomic_set(&rdev->read_errors, 0); -- atomic_set(&rdev->corrected_errors, 0); -+ atomic_set_unchecked(&rdev->read_errors, 0); -+ atomic_set_unchecked(&rdev->corrected_errors, 0); - - INIT_LIST_HEAD(&rdev->same_set); - init_waitqueue_head(&rdev->blocked_wait); -@@ -6388,7 +6388,7 @@ static int md_seq_show(struct seq_file * - - spin_unlock(&pers_lock); - seq_printf(seq, "\n"); -- mi->event = atomic_read(&md_event_count); -+ mi->event = atomic_read_unchecked(&md_event_count); - return 0; - } - if (v == (void*)2) { -@@ -6477,7 +6477,7 @@ static int md_seq_show(struct seq_file * - chunk_kb ? "KB" : "B"); - if (bitmap->file) { - seq_printf(seq, ", file: "); -- seq_path(seq, &bitmap->file->f_path, " \t\n"); -+ seq_path(seq, &bitmap->file->f_path, " \t\n\\"); - } - - seq_printf(seq, "\n"); -@@ -6511,7 +6511,7 @@ static int md_seq_open(struct inode *ino - else { - struct seq_file *p = file->private_data; - p->private = mi; -- mi->event = atomic_read(&md_event_count); -+ mi->event = atomic_read_unchecked(&md_event_count); - } - return error; - } -@@ -6527,7 +6527,7 @@ static unsigned int mdstat_poll(struct f - /* always allow read */ - mask = POLLIN | POLLRDNORM; - -- if (mi->event != atomic_read(&md_event_count)) -+ if (mi->event != atomic_read_unchecked(&md_event_count)) - mask |= POLLERR | POLLPRI; - return mask; - } -@@ -6571,7 +6571,7 @@ static int is_mddev_idle(mddev_t *mddev, - struct gendisk *disk = rdev->bdev->bd_contains->bd_disk; - curr_events = (int)part_stat_read(&disk->part0, sectors[0]) + - (int)part_stat_read(&disk->part0, sectors[1]) - -- atomic_read(&disk->sync_io); -+ atomic_read_unchecked(&disk->sync_io); - /* sync IO will cause sync_io to increase before the disk_stats - * as sync_io is counted when a request starts, and - * disk_stats is counted when it completes. -diff -urNp linux-2.6.39.3/drivers/md/md.h linux-2.6.39.3/drivers/md/md.h ---- linux-2.6.39.3/drivers/md/md.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/md/md.h 2011-05-22 19:36:31.000000000 -0400 -@@ -97,13 +97,13 @@ struct mdk_rdev_s - * only maintained for arrays that - * support hot removal - */ -- atomic_t read_errors; /* number of consecutive read errors that -+ atomic_unchecked_t read_errors; /* number of consecutive read errors that - * we have tried to ignore. - */ - struct timespec last_read_error; /* monotonic time since our - * last read error - */ -- atomic_t corrected_errors; /* number of corrected read errors, -+ atomic_unchecked_t corrected_errors; /* number of corrected read errors, - * for reporting to userspace and storing - * in superblock. - */ -@@ -342,7 +342,7 @@ static inline void rdev_dec_pending(mdk_ - - static inline void md_sync_acct(struct block_device *bdev, unsigned long nr_sectors) - { -- atomic_add(nr_sectors, &bdev->bd_contains->bd_disk->sync_io); -+ atomic_add_unchecked(nr_sectors, &bdev->bd_contains->bd_disk->sync_io); - } - - struct mdk_personality -diff -urNp linux-2.6.39.3/drivers/md/raid10.c linux-2.6.39.3/drivers/md/raid10.c ---- linux-2.6.39.3/drivers/md/raid10.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/md/raid10.c 2011-05-22 19:36:31.000000000 -0400 -@@ -1209,7 +1209,7 @@ static void end_sync_read(struct bio *bi - if (test_bit(BIO_UPTODATE, &bio->bi_flags)) - set_bit(R10BIO_Uptodate, &r10_bio->state); - else { -- atomic_add(r10_bio->sectors, -+ atomic_add_unchecked(r10_bio->sectors, - &conf->mirrors[d].rdev->corrected_errors); - if (!test_bit(MD_RECOVERY_SYNC, &conf->mddev->recovery)) - md_error(r10_bio->mddev, -@@ -1417,7 +1417,7 @@ static void check_decay_read_errors(mdde - { - struct timespec cur_time_mon; - unsigned long hours_since_last; -- unsigned int read_errors = atomic_read(&rdev->read_errors); -+ unsigned int read_errors = atomic_read_unchecked(&rdev->read_errors); - - ktime_get_ts(&cur_time_mon); - -@@ -1439,9 +1439,9 @@ static void check_decay_read_errors(mdde - * overflowing the shift of read_errors by hours_since_last. - */ - if (hours_since_last >= 8 * sizeof(read_errors)) -- atomic_set(&rdev->read_errors, 0); -+ atomic_set_unchecked(&rdev->read_errors, 0); - else -- atomic_set(&rdev->read_errors, read_errors >> hours_since_last); -+ atomic_set_unchecked(&rdev->read_errors, read_errors >> hours_since_last); - } - - /* -@@ -1476,8 +1476,8 @@ static void fix_read_error(conf_t *conf, - } - - check_decay_read_errors(mddev, rdev); -- atomic_inc(&rdev->read_errors); -- cur_read_error_count = atomic_read(&rdev->read_errors); -+ atomic_inc_unchecked(&rdev->read_errors); -+ cur_read_error_count = atomic_read_unchecked(&rdev->read_errors); - if (cur_read_error_count > max_read_errors) { - rcu_read_unlock(); - printk(KERN_NOTICE -@@ -1550,7 +1550,7 @@ static void fix_read_error(conf_t *conf, - test_bit(In_sync, &rdev->flags)) { - atomic_inc(&rdev->nr_pending); - rcu_read_unlock(); -- atomic_add(s, &rdev->corrected_errors); -+ atomic_add_unchecked(s, &rdev->corrected_errors); - if (sync_page_io(rdev, - r10_bio->devs[sl].addr + - sect, -diff -urNp linux-2.6.39.3/drivers/md/raid1.c linux-2.6.39.3/drivers/md/raid1.c ---- linux-2.6.39.3/drivers/md/raid1.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/md/raid1.c 2011-05-22 19:36:31.000000000 -0400 -@@ -1342,7 +1342,7 @@ static void sync_request_write(mddev_t * - if (r1_bio->bios[d]->bi_end_io != end_sync_read) - continue; - rdev = conf->mirrors[d].rdev; -- atomic_add(s, &rdev->corrected_errors); -+ atomic_add_unchecked(s, &rdev->corrected_errors); - if (sync_page_io(rdev, - sect, - s<<9, -@@ -1488,7 +1488,7 @@ static void fix_read_error(conf_t *conf, - /* Well, this device is dead */ - md_error(mddev, rdev); - else { -- atomic_add(s, &rdev->corrected_errors); -+ atomic_add_unchecked(s, &rdev->corrected_errors); - printk(KERN_INFO - "md/raid1:%s: read error corrected " - "(%d sectors at %llu on %s)\n", -diff -urNp linux-2.6.39.3/drivers/md/raid5.c linux-2.6.39.3/drivers/md/raid5.c ---- linux-2.6.39.3/drivers/md/raid5.c 2011-06-25 12:55:22.000000000 -0400 -+++ linux-2.6.39.3/drivers/md/raid5.c 2011-06-25 13:01:13.000000000 -0400 -@@ -550,7 +550,7 @@ static void ops_run_io(struct stripe_hea - bi->bi_next = NULL; - if ((rw & WRITE) && - test_bit(R5_ReWrite, &sh->dev[i].flags)) -- atomic_add(STRIPE_SECTORS, -+ atomic_add_unchecked(STRIPE_SECTORS, - &rdev->corrected_errors); - generic_make_request(bi); - } else { -@@ -1596,15 +1596,15 @@ static void raid5_end_read_request(struc - clear_bit(R5_ReadError, &sh->dev[i].flags); - clear_bit(R5_ReWrite, &sh->dev[i].flags); - } -- if (atomic_read(&conf->disks[i].rdev->read_errors)) -- atomic_set(&conf->disks[i].rdev->read_errors, 0); -+ if (atomic_read_unchecked(&conf->disks[i].rdev->read_errors)) -+ atomic_set_unchecked(&conf->disks[i].rdev->read_errors, 0); - } else { - const char *bdn = bdevname(conf->disks[i].rdev->bdev, b); - int retry = 0; - rdev = conf->disks[i].rdev; - - clear_bit(R5_UPTODATE, &sh->dev[i].flags); -- atomic_inc(&rdev->read_errors); -+ atomic_inc_unchecked(&rdev->read_errors); - if (conf->mddev->degraded >= conf->max_degraded) - printk_rl(KERN_WARNING - "md/raid:%s: read error not correctable " -@@ -1622,7 +1622,7 @@ static void raid5_end_read_request(struc - (unsigned long long)(sh->sector - + rdev->data_offset), - bdn); -- else if (atomic_read(&rdev->read_errors) -+ else if (atomic_read_unchecked(&rdev->read_errors) - > conf->max_nr_stripes) - printk(KERN_WARNING - "md/raid:%s: Too many read errors, failing device %s.\n", -@@ -1947,6 +1947,7 @@ static sector_t compute_blocknr(struct s - sector_t r_sector; - struct stripe_head sh2; - -+ pax_track_stack(); - - chunk_offset = sector_div(new_sector, sectors_per_chunk); - stripe = new_sector; -diff -urNp linux-2.6.39.3/drivers/media/common/saa7146_hlp.c linux-2.6.39.3/drivers/media/common/saa7146_hlp.c ---- linux-2.6.39.3/drivers/media/common/saa7146_hlp.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/media/common/saa7146_hlp.c 2011-05-22 19:36:31.000000000 -0400 -@@ -353,6 +353,8 @@ static void calculate_clipping_registers - - int x[32], y[32], w[32], h[32]; - -+ pax_track_stack(); -+ - /* clear out memory */ - memset(&line_list[0], 0x00, sizeof(u32)*32); - memset(&pixel_list[0], 0x00, sizeof(u32)*32); -diff -urNp linux-2.6.39.3/drivers/media/common/saa7146_vbi.c linux-2.6.39.3/drivers/media/common/saa7146_vbi.c ---- linux-2.6.39.3/drivers/media/common/saa7146_vbi.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/media/common/saa7146_vbi.c 2011-05-22 19:36:31.000000000 -0400 -@@ -501,7 +501,7 @@ static ssize_t vbi_read(struct file *fil - return ret; - } - --struct saa7146_use_ops saa7146_vbi_uops = { -+const struct saa7146_use_ops saa7146_vbi_uops = { - .init = vbi_init, - .open = vbi_open, - .release = vbi_close, -diff -urNp linux-2.6.39.3/drivers/media/common/saa7146_video.c linux-2.6.39.3/drivers/media/common/saa7146_video.c ---- linux-2.6.39.3/drivers/media/common/saa7146_video.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/media/common/saa7146_video.c 2011-05-22 19:36:31.000000000 -0400 -@@ -1420,7 +1420,7 @@ out: - return ret; - } - --struct saa7146_use_ops saa7146_video_uops = { -+const struct saa7146_use_ops saa7146_video_uops = { - .init = video_init, - .open = video_open, - .release = video_close, -diff -urNp linux-2.6.39.3/drivers/media/dvb/dm1105/dm1105.c linux-2.6.39.3/drivers/media/dvb/dm1105/dm1105.c ---- linux-2.6.39.3/drivers/media/dvb/dm1105/dm1105.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/media/dvb/dm1105/dm1105.c 2011-05-22 19:36:31.000000000 -0400 -@@ -418,7 +418,7 @@ static u32 functionality(struct i2c_adap - return I2C_FUNC_I2C; - } - --static struct i2c_algorithm dm1105_algo = { -+static const struct i2c_algorithm dm1105_algo = { - .master_xfer = dm1105_i2c_xfer, - .functionality = functionality, - }; -diff -urNp linux-2.6.39.3/drivers/media/dvb/dvb-core/dvb_ca_en50221.c linux-2.6.39.3/drivers/media/dvb/dvb-core/dvb_ca_en50221.c ---- linux-2.6.39.3/drivers/media/dvb/dvb-core/dvb_ca_en50221.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/media/dvb/dvb-core/dvb_ca_en50221.c 2011-05-22 19:36:31.000000000 -0400 -@@ -590,6 +590,8 @@ static int dvb_ca_en50221_read_data(stru - u8 buf[HOST_LINK_BUF_SIZE]; - int i; - -+ pax_track_stack(); -+ - dprintk("%s\n", __func__); - - /* check if we have space for a link buf in the rx_buffer */ -@@ -1285,6 +1287,8 @@ static ssize_t dvb_ca_en50221_io_write(s - unsigned long timeout; - int written; - -+ pax_track_stack(); -+ - dprintk("%s\n", __func__); - - /* Incoming packet has a 2 byte header. hdr[0] = slot_id, hdr[1] = connection_id */ -diff -urNp linux-2.6.39.3/drivers/media/dvb/dvb-core/dvbdev.c linux-2.6.39.3/drivers/media/dvb/dvb-core/dvbdev.c ---- linux-2.6.39.3/drivers/media/dvb/dvb-core/dvbdev.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/media/dvb/dvb-core/dvbdev.c 2011-05-22 19:36:31.000000000 -0400 -@@ -192,7 +192,7 @@ int dvb_register_device(struct dvb_adapt - const struct dvb_device *template, void *priv, int type) - { - struct dvb_device *dvbdev; -- struct file_operations *dvbdevfops; -+ struct file_operations *dvbdevfops; /* cannot be const, see this function */ - struct device *clsdev; - int minor; - int id; -diff -urNp linux-2.6.39.3/drivers/media/dvb/dvb-usb/dib0700_core.c linux-2.6.39.3/drivers/media/dvb/dvb-usb/dib0700_core.c ---- linux-2.6.39.3/drivers/media/dvb/dvb-usb/dib0700_core.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/media/dvb/dvb-usb/dib0700_core.c 2011-05-22 19:36:31.000000000 -0400 -@@ -391,6 +391,8 @@ int dib0700_download_firmware(struct usb - - u8 buf[260]; - -+ pax_track_stack(); -+ - while ((ret = dvb_usb_get_hexline(fw, &hx, &pos)) > 0) { - deb_fwdata("writing to address 0x%08x (buffer: 0x%02x %02x)\n", - hx.addr, hx.len, hx.chk); -diff -urNp linux-2.6.39.3/drivers/media/dvb/dvb-usb/lmedm04.c linux-2.6.39.3/drivers/media/dvb/dvb-usb/lmedm04.c ---- linux-2.6.39.3/drivers/media/dvb/dvb-usb/lmedm04.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/media/dvb/dvb-usb/lmedm04.c 2011-05-22 19:36:31.000000000 -0400 -@@ -663,6 +663,7 @@ static int lme2510_download_firmware(str - packet_size = 0x31; - len_in = 1; - -+ pax_track_stack(); - - info("FRM Starting Firmware Download"); - -@@ -715,6 +716,8 @@ static void lme_coldreset(struct usb_dev - int ret = 0, len_in; - u8 data[512] = {0}; - -+ pax_track_stack(); -+ - data[0] = 0x0a; - len_in = 1; - info("FRM Firmware Cold Reset"); -diff -urNp linux-2.6.39.3/drivers/media/dvb/frontends/dib7000p.c linux-2.6.39.3/drivers/media/dvb/frontends/dib7000p.c ---- linux-2.6.39.3/drivers/media/dvb/frontends/dib7000p.c 2011-06-03 00:04:14.000000000 -0400 -+++ linux-2.6.39.3/drivers/media/dvb/frontends/dib7000p.c 2011-06-03 00:32:05.000000000 -0400 -@@ -1945,7 +1945,7 @@ static u32 dib7000p_i2c_func(struct i2c_ - return I2C_FUNC_I2C; - } - --static struct i2c_algorithm dib7090_tuner_xfer_algo = { -+static const struct i2c_algorithm dib7090_tuner_xfer_algo = { - .master_xfer = dib7090_tuner_xfer, - .functionality = dib7000p_i2c_func, - }; -diff -urNp linux-2.6.39.3/drivers/media/dvb/frontends/dib9000.c linux-2.6.39.3/drivers/media/dvb/frontends/dib9000.c ---- linux-2.6.39.3/drivers/media/dvb/frontends/dib9000.c 2011-06-03 00:04:14.000000000 -0400 -+++ linux-2.6.39.3/drivers/media/dvb/frontends/dib9000.c 2011-06-03 00:32:05.000000000 -0400 -@@ -1676,12 +1676,12 @@ static u32 dib9000_i2c_func(struct i2c_a - return I2C_FUNC_I2C; - } - --static struct i2c_algorithm dib9000_tuner_algo = { -+static const struct i2c_algorithm dib9000_tuner_algo = { - .master_xfer = dib9000_tuner_xfer, - .functionality = dib9000_i2c_func, - }; - --static struct i2c_algorithm dib9000_component_bus_algo = { -+static const struct i2c_algorithm dib9000_component_bus_algo = { - .master_xfer = dib9000_fw_component_bus_xfer, - .functionality = dib9000_i2c_func, - }; -diff -urNp linux-2.6.39.3/drivers/media/dvb/frontends/dibx000_common.c linux-2.6.39.3/drivers/media/dvb/frontends/dibx000_common.c ---- linux-2.6.39.3/drivers/media/dvb/frontends/dibx000_common.c 2011-06-03 00:04:14.000000000 -0400 -+++ linux-2.6.39.3/drivers/media/dvb/frontends/dibx000_common.c 2011-06-03 00:37:36.000000000 -0400 -@@ -221,12 +221,12 @@ static int dibx000_i2c_master_xfer_gpio3 - return num; - } - --static struct i2c_algorithm dibx000_i2c_master_gpio12_xfer_algo = { -+static const struct i2c_algorithm dibx000_i2c_master_gpio12_xfer_algo = { - .master_xfer = dibx000_i2c_master_xfer_gpio12, - .functionality = dibx000_i2c_func, - }; - --static struct i2c_algorithm dibx000_i2c_master_gpio34_xfer_algo = { -+static const struct i2c_algorithm dibx000_i2c_master_gpio34_xfer_algo = { - .master_xfer = dibx000_i2c_master_xfer_gpio34, - .functionality = dibx000_i2c_func, - }; -@@ -285,7 +285,7 @@ static int dibx000_i2c_gated_gpio67_xfer - return i2c_transfer(mst->i2c_adap, mst->msg, 2 + num) == 2 + num ? num : -EIO; - } - --static struct i2c_algorithm dibx000_i2c_gated_gpio67_algo = { -+static const struct i2c_algorithm dibx000_i2c_gated_gpio67_algo = { - .master_xfer = dibx000_i2c_gated_gpio67_xfer, - .functionality = dibx000_i2c_func, - }; -@@ -322,7 +322,7 @@ static int dibx000_i2c_gated_tuner_xfer( - return i2c_transfer(mst->i2c_adap, mst->msg, 2 + num) == 2 + num ? num : -EIO; - } - --static struct i2c_algorithm dibx000_i2c_gated_tuner_algo = { -+static const struct i2c_algorithm dibx000_i2c_gated_tuner_algo = { - .master_xfer = dibx000_i2c_gated_tuner_xfer, - .functionality = dibx000_i2c_func, - }; -@@ -375,7 +375,7 @@ void dibx000_reset_i2c_master(struct dib - EXPORT_SYMBOL(dibx000_reset_i2c_master); - - static int i2c_adapter_init(struct i2c_adapter *i2c_adap, -- struct i2c_algorithm *algo, const char *name, -+ const struct i2c_algorithm *algo, const char *name, - struct dibx000_i2c_master *mst) - { - strncpy(i2c_adap->name, name, sizeof(i2c_adap->name)); -diff -urNp linux-2.6.39.3/drivers/media/dvb/frontends/mb86a16.c linux-2.6.39.3/drivers/media/dvb/frontends/mb86a16.c ---- linux-2.6.39.3/drivers/media/dvb/frontends/mb86a16.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/media/dvb/frontends/mb86a16.c 2011-05-22 19:36:31.000000000 -0400 -@@ -1060,6 +1060,8 @@ static int mb86a16_set_fe(struct mb86a16 - int ret = -1; - int sync; - -+ pax_track_stack(); -+ - dprintk(verbose, MB86A16_INFO, 1, "freq=%d Mhz, symbrt=%d Ksps", state->frequency, state->srate); - - fcp = 3000; -diff -urNp linux-2.6.39.3/drivers/media/dvb/frontends/or51211.c linux-2.6.39.3/drivers/media/dvb/frontends/or51211.c ---- linux-2.6.39.3/drivers/media/dvb/frontends/or51211.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/media/dvb/frontends/or51211.c 2011-05-22 19:36:31.000000000 -0400 -@@ -113,6 +113,8 @@ static int or51211_load_firmware (struct - u8 tudata[585]; - int i; - -+ pax_track_stack(); -+ - dprintk("Firmware is %zd bytes\n",fw->size); - - /* Get eprom data */ -diff -urNp linux-2.6.39.3/drivers/media/dvb/frontends/s5h1420.c linux-2.6.39.3/drivers/media/dvb/frontends/s5h1420.c ---- linux-2.6.39.3/drivers/media/dvb/frontends/s5h1420.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/media/dvb/frontends/s5h1420.c 2011-05-22 19:36:31.000000000 -0400 -@@ -870,7 +870,7 @@ static int s5h1420_tuner_i2c_tuner_xfer( - return i2c_transfer(state->i2c, m, 1+num) == 1 + num ? num : -EIO; - } - --static struct i2c_algorithm s5h1420_tuner_i2c_algo = { -+static const struct i2c_algorithm s5h1420_tuner_i2c_algo = { - .master_xfer = s5h1420_tuner_i2c_tuner_xfer, - .functionality = s5h1420_tuner_i2c_func, - }; -diff -urNp linux-2.6.39.3/drivers/media/dvb/mantis/mantis_i2c.c linux-2.6.39.3/drivers/media/dvb/mantis/mantis_i2c.c ---- linux-2.6.39.3/drivers/media/dvb/mantis/mantis_i2c.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/media/dvb/mantis/mantis_i2c.c 2011-05-22 19:36:31.000000000 -0400 -@@ -212,7 +212,7 @@ static u32 mantis_i2c_func(struct i2c_ad - return I2C_FUNC_SMBUS_EMUL; - } - --static struct i2c_algorithm mantis_algo = { -+static const struct i2c_algorithm mantis_algo = { - .master_xfer = mantis_i2c_xfer, - .functionality = mantis_i2c_func, - }; -diff -urNp linux-2.6.39.3/drivers/media/dvb/ttusb-dec/ttusb_dec.c linux-2.6.39.3/drivers/media/dvb/ttusb-dec/ttusb_dec.c ---- linux-2.6.39.3/drivers/media/dvb/ttusb-dec/ttusb_dec.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/media/dvb/ttusb-dec/ttusb_dec.c 2011-05-22 19:36:31.000000000 -0400 -@@ -1614,7 +1614,7 @@ static int fe_send_command(struct dvb_fr - return ttusb_dec_send_command(dec, command, param_length, params, result_length, cmd_result); - } - --static struct ttusbdecfe_config fe_config = { -+static const struct ttusbdecfe_config fe_config = { - .send_command = fe_send_command - }; - -diff -urNp linux-2.6.39.3/drivers/media/radio/radio-cadet.c linux-2.6.39.3/drivers/media/radio/radio-cadet.c ---- linux-2.6.39.3/drivers/media/radio/radio-cadet.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/media/radio/radio-cadet.c 2011-05-22 19:36:31.000000000 -0400 -@@ -349,7 +349,7 @@ static ssize_t cadet_read(struct file *f - readbuf[i++] = dev->rdsbuf[dev->rdsout++]; - mutex_unlock(&dev->lock); - -- if (copy_to_user(data, readbuf, i)) -+ if (i > sizeof readbuf || copy_to_user(data, readbuf, i)) - return -EFAULT; - return i; - } -diff -urNp linux-2.6.39.3/drivers/media/radio/radio-si4713.c linux-2.6.39.3/drivers/media/radio/radio-si4713.c ---- linux-2.6.39.3/drivers/media/radio/radio-si4713.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/media/radio/radio-si4713.c 2011-05-22 19:36:31.000000000 -0400 -@@ -231,7 +231,7 @@ static long radio_si4713_default(struct - ioctl, cmd, arg); - } - --static struct v4l2_ioctl_ops radio_si4713_ioctl_ops = { -+static const struct v4l2_ioctl_ops radio_si4713_ioctl_ops = { - .vidioc_enumaudout = radio_si4713_enumaudout, - .vidioc_g_audout = radio_si4713_g_audout, - .vidioc_s_audout = radio_si4713_s_audout, -diff -urNp linux-2.6.39.3/drivers/media/rc/ir-lirc-codec.c linux-2.6.39.3/drivers/media/rc/ir-lirc-codec.c ---- linux-2.6.39.3/drivers/media/rc/ir-lirc-codec.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/media/rc/ir-lirc-codec.c 2011-05-22 19:36:31.000000000 -0400 -@@ -277,7 +277,7 @@ static void ir_lirc_close(void *data) - return; - } - --static struct file_operations lirc_fops = { -+static const struct file_operations lirc_fops = { - .owner = THIS_MODULE, - .write = ir_lirc_transmit_ir, - .unlocked_ioctl = ir_lirc_ioctl, -diff -urNp linux-2.6.39.3/drivers/media/rc/lirc_dev.c linux-2.6.39.3/drivers/media/rc/lirc_dev.c ---- linux-2.6.39.3/drivers/media/rc/lirc_dev.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/media/rc/lirc_dev.c 2011-05-22 19:36:31.000000000 -0400 -@@ -151,7 +151,7 @@ static int lirc_thread(void *irctl) - } - - --static struct file_operations lirc_dev_fops = { -+static const struct file_operations lirc_dev_fops = { - .owner = THIS_MODULE, - .read = lirc_dev_fop_read, - .write = lirc_dev_fop_write, -diff -urNp linux-2.6.39.3/drivers/media/rc/rc-main.c linux-2.6.39.3/drivers/media/rc/rc-main.c ---- linux-2.6.39.3/drivers/media/rc/rc-main.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/media/rc/rc-main.c 2011-05-22 19:36:31.000000000 -0400 -@@ -996,7 +996,7 @@ EXPORT_SYMBOL_GPL(rc_free_device); - - int rc_register_device(struct rc_dev *dev) - { -- static atomic_t devno = ATOMIC_INIT(0); -+ static atomic_unchecked_t devno = ATOMIC_INIT(0); - struct rc_map *rc_map; - const char *path; - int rc; -@@ -1019,7 +1019,7 @@ int rc_register_device(struct rc_dev *de - if (dev->close) - dev->input_dev->close = ir_close; - -- dev->devno = (unsigned long)(atomic_inc_return(&devno) - 1); -+ dev->devno = (unsigned long)(atomic_inc_return_unchecked(&devno) - 1); - dev_set_name(&dev->dev, "rc%ld", dev->devno); - dev_set_drvdata(&dev->dev, dev); - rc = device_add(&dev->dev); -diff -urNp linux-2.6.39.3/drivers/media/video/cafe_ccic.c linux-2.6.39.3/drivers/media/video/cafe_ccic.c ---- linux-2.6.39.3/drivers/media/video/cafe_ccic.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/media/video/cafe_ccic.c 2011-05-22 19:36:31.000000000 -0400 -@@ -520,7 +520,7 @@ static u32 cafe_smbus_func(struct i2c_ad - I2C_FUNC_SMBUS_WRITE_BYTE_DATA; - } - --static struct i2c_algorithm cafe_smbus_algo = { -+static const struct i2c_algorithm cafe_smbus_algo = { - .smbus_xfer = cafe_smbus_xfer, - .functionality = cafe_smbus_func - }; -diff -urNp linux-2.6.39.3/drivers/media/video/cx18/cx18-alsa-pcm.c linux-2.6.39.3/drivers/media/video/cx18/cx18-alsa-pcm.c ---- linux-2.6.39.3/drivers/media/video/cx18/cx18-alsa-pcm.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/media/video/cx18/cx18-alsa-pcm.c 2011-05-22 19:36:31.000000000 -0400 -@@ -314,7 +314,7 @@ static struct page *snd_pcm_get_vmalloc_ - return vmalloc_to_page(pageptr); - } - --static struct snd_pcm_ops snd_cx18_pcm_capture_ops = { -+static const struct snd_pcm_ops snd_cx18_pcm_capture_ops = { - .open = snd_cx18_pcm_capture_open, - .close = snd_cx18_pcm_capture_close, - .ioctl = snd_cx18_pcm_ioctl, -diff -urNp linux-2.6.39.3/drivers/media/video/cx18/cx18-driver.c linux-2.6.39.3/drivers/media/video/cx18/cx18-driver.c ---- linux-2.6.39.3/drivers/media/video/cx18/cx18-driver.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/media/video/cx18/cx18-driver.c 2011-05-22 19:36:31.000000000 -0400 -@@ -61,7 +61,7 @@ static struct pci_device_id cx18_pci_tbl - - MODULE_DEVICE_TABLE(pci, cx18_pci_tbl); - --static atomic_t cx18_instance = ATOMIC_INIT(0); -+static atomic_unchecked_t cx18_instance = ATOMIC_INIT(0); - - /* Parameter declarations */ - static int cardtype[CX18_MAX_CARDS]; -@@ -327,6 +327,8 @@ void cx18_read_eeprom(struct cx18 *cx, s - struct i2c_client c; - u8 eedata[256]; - -+ pax_track_stack(); -+ - memset(&c, 0, sizeof(c)); - strlcpy(c.name, "cx18 tveeprom tmp", sizeof(c.name)); - c.adapter = &cx->i2c_adap[0]; -@@ -892,7 +894,7 @@ static int __devinit cx18_probe(struct p - struct cx18 *cx; - - /* FIXME - module parameter arrays constrain max instances */ -- i = atomic_inc_return(&cx18_instance) - 1; -+ i = atomic_inc_return_unchecked(&cx18_instance) - 1; - if (i >= CX18_MAX_CARDS) { - printk(KERN_ERR "cx18: cannot manage card %d, driver has a " - "limit of 0 - %d\n", i, CX18_MAX_CARDS - 1); -diff -urNp linux-2.6.39.3/drivers/media/video/cx231xx/cx231xx-audio.c linux-2.6.39.3/drivers/media/video/cx231xx/cx231xx-audio.c ---- linux-2.6.39.3/drivers/media/video/cx231xx/cx231xx-audio.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/media/video/cx231xx/cx231xx-audio.c 2011-05-22 19:36:31.000000000 -0400 -@@ -613,7 +613,7 @@ static struct page *snd_pcm_get_vmalloc_ - return vmalloc_to_page(pageptr); - } - --static struct snd_pcm_ops snd_cx231xx_pcm_capture = { -+static const struct snd_pcm_ops snd_cx231xx_pcm_capture = { - .open = snd_cx231xx_capture_open, - .close = snd_cx231xx_pcm_close, - .ioctl = snd_pcm_lib_ioctl, -diff -urNp linux-2.6.39.3/drivers/media/video/cx231xx/cx231xx-i2c.c linux-2.6.39.3/drivers/media/video/cx231xx/cx231xx-i2c.c ---- linux-2.6.39.3/drivers/media/video/cx231xx/cx231xx-i2c.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/media/video/cx231xx/cx231xx-i2c.c 2011-05-22 19:36:31.000000000 -0400 -@@ -435,7 +435,7 @@ static u32 functionality(struct i2c_adap - return I2C_FUNC_SMBUS_EMUL | I2C_FUNC_I2C; - } - --static struct i2c_algorithm cx231xx_algo = { -+static const struct i2c_algorithm cx231xx_algo = { - .master_xfer = cx231xx_i2c_xfer, - .functionality = functionality, - }; -diff -urNp linux-2.6.39.3/drivers/media/video/cx23885/cx23885-input.c linux-2.6.39.3/drivers/media/video/cx23885/cx23885-input.c ---- linux-2.6.39.3/drivers/media/video/cx23885/cx23885-input.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/media/video/cx23885/cx23885-input.c 2011-05-22 19:36:31.000000000 -0400 -@@ -53,6 +53,8 @@ static void cx23885_input_process_measur - bool handle = false; - struct ir_raw_event ir_core_event[64]; - -+ pax_track_stack(); -+ - do { - num = 0; - v4l2_subdev_call(dev->sd_ir, ir, rx_read, (u8 *) ir_core_event, -diff -urNp linux-2.6.39.3/drivers/media/video/cx88/cx88-alsa.c linux-2.6.39.3/drivers/media/video/cx88/cx88-alsa.c ---- linux-2.6.39.3/drivers/media/video/cx88/cx88-alsa.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/media/video/cx88/cx88-alsa.c 2011-05-22 19:36:31.000000000 -0400 -@@ -519,7 +519,7 @@ static struct page *snd_cx88_page(struct - /* - * operators - */ --static struct snd_pcm_ops snd_cx88_pcm_ops = { -+static const struct snd_pcm_ops snd_cx88_pcm_ops = { - .open = snd_cx88_pcm_open, - .close = snd_cx88_close, - .ioctl = snd_pcm_lib_ioctl, -diff -urNp linux-2.6.39.3/drivers/media/video/davinci/ccdc_hw_device.h linux-2.6.39.3/drivers/media/video/davinci/ccdc_hw_device.h ---- linux-2.6.39.3/drivers/media/video/davinci/ccdc_hw_device.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/media/video/davinci/ccdc_hw_device.h 2011-05-22 19:36:31.000000000 -0400 -@@ -99,7 +99,7 @@ struct ccdc_hw_device { - /* module owner */ - struct module *owner; - /* hw ops */ -- struct ccdc_hw_ops hw_ops; -+ const struct ccdc_hw_ops hw_ops; - }; - - /* Used by CCDC module to register & unregister with vpfe capture driver */ -diff -urNp linux-2.6.39.3/drivers/media/video/davinci/vpss.c linux-2.6.39.3/drivers/media/video/davinci/vpss.c ---- linux-2.6.39.3/drivers/media/video/davinci/vpss.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/media/video/davinci/vpss.c 2011-05-22 19:36:31.000000000 -0400 -@@ -103,7 +103,7 @@ struct vpss_oper_config { - __iomem void *vpss_regs_base1; - enum vpss_platform_type platform; - spinlock_t vpss_lock; -- struct vpss_hw_ops hw_ops; -+ const struct vpss_hw_ops hw_ops; - }; - - static struct vpss_oper_config oper_cfg; -diff -urNp linux-2.6.39.3/drivers/media/video/em28xx/em28xx-audio.c linux-2.6.39.3/drivers/media/video/em28xx/em28xx-audio.c ---- linux-2.6.39.3/drivers/media/video/em28xx/em28xx-audio.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/media/video/em28xx/em28xx-audio.c 2011-05-22 19:36:31.000000000 -0400 -@@ -432,7 +432,7 @@ static struct page *snd_pcm_get_vmalloc_ - return vmalloc_to_page(pageptr); - } - --static struct snd_pcm_ops snd_em28xx_pcm_capture = { -+static const struct snd_pcm_ops snd_em28xx_pcm_capture = { - .open = snd_em28xx_capture_open, - .close = snd_em28xx_pcm_close, - .ioctl = snd_pcm_lib_ioctl, -diff -urNp linux-2.6.39.3/drivers/media/video/em28xx/em28xx-i2c.c linux-2.6.39.3/drivers/media/video/em28xx/em28xx-i2c.c ---- linux-2.6.39.3/drivers/media/video/em28xx/em28xx-i2c.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/media/video/em28xx/em28xx-i2c.c 2011-05-22 19:36:31.000000000 -0400 -@@ -451,7 +451,7 @@ static u32 functionality(struct i2c_adap - return I2C_FUNC_SMBUS_EMUL; - } - --static struct i2c_algorithm em28xx_algo = { -+static const struct i2c_algorithm em28xx_algo = { - .master_xfer = em28xx_i2c_xfer, - .functionality = functionality, - }; -diff -urNp linux-2.6.39.3/drivers/media/video/hdpvr/hdpvr-i2c.c linux-2.6.39.3/drivers/media/video/hdpvr/hdpvr-i2c.c ---- linux-2.6.39.3/drivers/media/video/hdpvr/hdpvr-i2c.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/media/video/hdpvr/hdpvr-i2c.c 2011-05-22 19:36:31.000000000 -0400 -@@ -179,7 +179,7 @@ static u32 hdpvr_functionality(struct i2 - return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL; - } - --static struct i2c_algorithm hdpvr_algo = { -+static const struct i2c_algorithm hdpvr_algo = { - .master_xfer = hdpvr_transfer, - .functionality = hdpvr_functionality, - }; -diff -urNp linux-2.6.39.3/drivers/media/video/imx074.c linux-2.6.39.3/drivers/media/video/imx074.c ---- linux-2.6.39.3/drivers/media/video/imx074.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/media/video/imx074.c 2011-05-22 19:36:31.000000000 -0400 -@@ -267,7 +267,7 @@ static int imx074_g_chip_ident(struct v4 - return 0; - } - --static struct v4l2_subdev_video_ops imx074_subdev_video_ops = { -+static const struct v4l2_subdev_video_ops imx074_subdev_video_ops = { - .s_stream = imx074_s_stream, - .s_mbus_fmt = imx074_s_fmt, - .g_mbus_fmt = imx074_g_fmt, -@@ -277,7 +277,7 @@ static struct v4l2_subdev_video_ops imx0 - .cropcap = imx074_cropcap, - }; - --static struct v4l2_subdev_core_ops imx074_subdev_core_ops = { -+static const struct v4l2_subdev_core_ops imx074_subdev_core_ops = { - .g_chip_ident = imx074_g_chip_ident, - }; - -diff -urNp linux-2.6.39.3/drivers/media/video/ivtv/ivtv-driver.c linux-2.6.39.3/drivers/media/video/ivtv/ivtv-driver.c ---- linux-2.6.39.3/drivers/media/video/ivtv/ivtv-driver.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/media/video/ivtv/ivtv-driver.c 2011-05-22 19:36:31.000000000 -0400 -@@ -80,7 +80,7 @@ static struct pci_device_id ivtv_pci_tbl - MODULE_DEVICE_TABLE(pci,ivtv_pci_tbl); - - /* ivtv instance counter */ --static atomic_t ivtv_instance = ATOMIC_INIT(0); -+static atomic_unchecked_t ivtv_instance = ATOMIC_INIT(0); - - /* Parameter declarations */ - static int cardtype[IVTV_MAX_CARDS]; -diff -urNp linux-2.6.39.3/drivers/media/video/mt9m001.c linux-2.6.39.3/drivers/media/video/mt9m001.c ---- linux-2.6.39.3/drivers/media/video/mt9m001.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/media/video/mt9m001.c 2011-05-22 19:36:31.000000000 -0400 -@@ -691,7 +691,7 @@ static int mt9m001_g_skip_top_lines(stru - return 0; - } - --static struct v4l2_subdev_core_ops mt9m001_subdev_core_ops = { -+static const struct v4l2_subdev_core_ops mt9m001_subdev_core_ops = { - .g_ctrl = mt9m001_g_ctrl, - .s_ctrl = mt9m001_s_ctrl, - .g_chip_ident = mt9m001_g_chip_ident, -@@ -714,7 +714,7 @@ static int mt9m001_enum_fmt(struct v4l2_ - return 0; - } - --static struct v4l2_subdev_video_ops mt9m001_subdev_video_ops = { -+static const struct v4l2_subdev_video_ops mt9m001_subdev_video_ops = { - .s_stream = mt9m001_s_stream, - .s_mbus_fmt = mt9m001_s_fmt, - .g_mbus_fmt = mt9m001_g_fmt, -@@ -725,7 +725,7 @@ static struct v4l2_subdev_video_ops mt9m - .enum_mbus_fmt = mt9m001_enum_fmt, - }; - --static struct v4l2_subdev_sensor_ops mt9m001_subdev_sensor_ops = { -+static const struct v4l2_subdev_sensor_ops mt9m001_subdev_sensor_ops = { - .g_skip_top_lines = mt9m001_g_skip_top_lines, - }; - -diff -urNp linux-2.6.39.3/drivers/media/video/mt9t031.c linux-2.6.39.3/drivers/media/video/mt9t031.c ---- linux-2.6.39.3/drivers/media/video/mt9t031.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/media/video/mt9t031.c 2011-05-22 19:36:31.000000000 -0400 -@@ -725,7 +725,7 @@ static int mt9t031_runtime_resume(struct - return 0; - } - --static struct dev_pm_ops mt9t031_dev_pm_ops = { -+static const struct dev_pm_ops mt9t031_dev_pm_ops = { - .runtime_suspend = mt9t031_runtime_suspend, - .runtime_resume = mt9t031_runtime_resume, - }; -@@ -788,7 +788,7 @@ static int mt9t031_g_skip_top_lines(stru - return 0; - } - --static struct v4l2_subdev_core_ops mt9t031_subdev_core_ops = { -+static const struct v4l2_subdev_core_ops mt9t031_subdev_core_ops = { - .g_ctrl = mt9t031_g_ctrl, - .s_ctrl = mt9t031_s_ctrl, - .g_chip_ident = mt9t031_g_chip_ident, -@@ -808,7 +808,7 @@ static int mt9t031_enum_fmt(struct v4l2_ - return 0; - } - --static struct v4l2_subdev_video_ops mt9t031_subdev_video_ops = { -+static const struct v4l2_subdev_video_ops mt9t031_subdev_video_ops = { - .s_stream = mt9t031_s_stream, - .s_mbus_fmt = mt9t031_s_fmt, - .g_mbus_fmt = mt9t031_g_fmt, -@@ -819,7 +819,7 @@ static struct v4l2_subdev_video_ops mt9t - .enum_mbus_fmt = mt9t031_enum_fmt, - }; - --static struct v4l2_subdev_sensor_ops mt9t031_subdev_sensor_ops = { -+static const struct v4l2_subdev_sensor_ops mt9t031_subdev_sensor_ops = { - .g_skip_top_lines = mt9t031_g_skip_top_lines, - }; - -diff -urNp linux-2.6.39.3/drivers/media/video/mt9v022.c linux-2.6.39.3/drivers/media/video/mt9v022.c ---- linux-2.6.39.3/drivers/media/video/mt9v022.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/media/video/mt9v022.c 2011-05-22 19:36:31.000000000 -0400 -@@ -825,7 +825,7 @@ static int mt9v022_g_skip_top_lines(stru - return 0; - } - --static struct v4l2_subdev_core_ops mt9v022_subdev_core_ops = { -+static const struct v4l2_subdev_core_ops mt9v022_subdev_core_ops = { - .g_ctrl = mt9v022_g_ctrl, - .s_ctrl = mt9v022_s_ctrl, - .g_chip_ident = mt9v022_g_chip_ident, -@@ -848,7 +848,7 @@ static int mt9v022_enum_fmt(struct v4l2_ - return 0; - } - --static struct v4l2_subdev_video_ops mt9v022_subdev_video_ops = { -+static const struct v4l2_subdev_video_ops mt9v022_subdev_video_ops = { - .s_stream = mt9v022_s_stream, - .s_mbus_fmt = mt9v022_s_fmt, - .g_mbus_fmt = mt9v022_g_fmt, -@@ -859,7 +859,7 @@ static struct v4l2_subdev_video_ops mt9v - .enum_mbus_fmt = mt9v022_enum_fmt, - }; - --static struct v4l2_subdev_sensor_ops mt9v022_subdev_sensor_ops = { -+static const struct v4l2_subdev_sensor_ops mt9v022_subdev_sensor_ops = { - .g_skip_top_lines = mt9v022_g_skip_top_lines, - }; - -diff -urNp linux-2.6.39.3/drivers/media/video/mx2_camera.c linux-2.6.39.3/drivers/media/video/mx2_camera.c ---- linux-2.6.39.3/drivers/media/video/mx2_camera.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/media/video/mx2_camera.c 2011-05-22 19:36:31.000000000 -0400 -@@ -668,7 +668,7 @@ static void mx2_videobuf_release(struct - free_buffer(vq, buf); - } - --static struct videobuf_queue_ops mx2_videobuf_ops = { -+static const struct videobuf_queue_ops mx2_videobuf_ops = { - .buf_setup = mx2_videobuf_setup, - .buf_prepare = mx2_videobuf_prepare, - .buf_queue = mx2_videobuf_queue, -diff -urNp linux-2.6.39.3/drivers/media/video/omap24xxcam.c linux-2.6.39.3/drivers/media/video/omap24xxcam.c ---- linux-2.6.39.3/drivers/media/video/omap24xxcam.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/media/video/omap24xxcam.c 2011-05-22 19:36:31.000000000 -0400 -@@ -403,7 +403,7 @@ static void omap24xxcam_vbq_complete(str - spin_unlock_irqrestore(&cam->core_enable_disable_lock, flags); - - do_gettimeofday(&vb->ts); -- vb->field_count = atomic_add_return(2, &fh->field_count); -+ vb->field_count = atomic_add_return_unchecked(2, &fh->field_count); - if (csr & csr_error) { - vb->state = VIDEOBUF_ERROR; - if (!atomic_read(&fh->cam->in_reset)) { -diff -urNp linux-2.6.39.3/drivers/media/video/omap24xxcam.h linux-2.6.39.3/drivers/media/video/omap24xxcam.h ---- linux-2.6.39.3/drivers/media/video/omap24xxcam.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/media/video/omap24xxcam.h 2011-05-22 19:36:31.000000000 -0400 -@@ -533,7 +533,7 @@ struct omap24xxcam_fh { - spinlock_t vbq_lock; /* spinlock for the videobuf queue */ - struct videobuf_queue vbq; - struct v4l2_pix_format pix; /* serialise pix by vbq->lock */ -- atomic_t field_count; /* field counter for videobuf_buffer */ -+ atomic_unchecked_t field_count; /* field counter for videobuf_buffer */ - /* accessing cam here doesn't need serialisation: it's constant */ - struct omap24xxcam_device *cam; - }; -diff -urNp linux-2.6.39.3/drivers/media/video/omap3isp/isp.h linux-2.6.39.3/drivers/media/video/omap3isp/isp.h ---- linux-2.6.39.3/drivers/media/video/omap3isp/isp.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/media/video/omap3isp/isp.h 2011-05-22 19:36:31.000000000 -0400 -@@ -290,7 +290,7 @@ struct isp_device { - - struct iommu *iommu; - -- struct isp_platform_callback platform_cb; -+ const struct isp_platform_callback platform_cb; - }; - - #define v4l2_dev_to_isp_device(dev) \ -diff -urNp linux-2.6.39.3/drivers/media/video/ov2640.c linux-2.6.39.3/drivers/media/video/ov2640.c ---- linux-2.6.39.3/drivers/media/video/ov2640.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/media/video/ov2640.c 2011-05-22 19:36:31.000000000 -0400 -@@ -1080,7 +1080,7 @@ static struct soc_camera_ops ov2640_ops - .num_controls = ARRAY_SIZE(ov2640_controls), - }; - --static struct v4l2_subdev_core_ops ov2640_subdev_core_ops = { -+static const struct v4l2_subdev_core_ops ov2640_subdev_core_ops = { - .g_ctrl = ov2640_g_ctrl, - .s_ctrl = ov2640_s_ctrl, - .g_chip_ident = ov2640_g_chip_ident, -@@ -1090,7 +1090,7 @@ static struct v4l2_subdev_core_ops ov264 - #endif - }; - --static struct v4l2_subdev_video_ops ov2640_subdev_video_ops = { -+static const struct v4l2_subdev_video_ops ov2640_subdev_video_ops = { - .s_stream = ov2640_s_stream, - .g_mbus_fmt = ov2640_g_fmt, - .s_mbus_fmt = ov2640_s_fmt, -diff -urNp linux-2.6.39.3/drivers/media/video/ov772x.c linux-2.6.39.3/drivers/media/video/ov772x.c ---- linux-2.6.39.3/drivers/media/video/ov772x.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/media/video/ov772x.c 2011-05-22 19:36:31.000000000 -0400 -@@ -1079,7 +1079,7 @@ static struct soc_camera_ops ov772x_ops - .num_controls = ARRAY_SIZE(ov772x_controls), - }; - --static struct v4l2_subdev_core_ops ov772x_subdev_core_ops = { -+static const struct v4l2_subdev_core_ops ov772x_subdev_core_ops = { - .g_ctrl = ov772x_g_ctrl, - .s_ctrl = ov772x_s_ctrl, - .g_chip_ident = ov772x_g_chip_ident, -@@ -1099,7 +1099,7 @@ static int ov772x_enum_fmt(struct v4l2_s - return 0; - } - --static struct v4l2_subdev_video_ops ov772x_subdev_video_ops = { -+static const struct v4l2_subdev_video_ops ov772x_subdev_video_ops = { - .s_stream = ov772x_s_stream, - .g_mbus_fmt = ov772x_g_fmt, - .s_mbus_fmt = ov772x_s_fmt, -diff -urNp linux-2.6.39.3/drivers/media/video/pvrusb2/pvrusb2-eeprom.c linux-2.6.39.3/drivers/media/video/pvrusb2/pvrusb2-eeprom.c ---- linux-2.6.39.3/drivers/media/video/pvrusb2/pvrusb2-eeprom.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/media/video/pvrusb2/pvrusb2-eeprom.c 2011-05-22 19:36:31.000000000 -0400 -@@ -120,6 +120,8 @@ int pvr2_eeprom_analyze(struct pvr2_hdw - u8 *eeprom; - struct tveeprom tvdata; - -+ pax_track_stack(); -+ - memset(&tvdata,0,sizeof(tvdata)); - - eeprom = pvr2_eeprom_fetch(hdw); -diff -urNp linux-2.6.39.3/drivers/media/video/pvrusb2/pvrusb2-i2c-core.c linux-2.6.39.3/drivers/media/video/pvrusb2/pvrusb2-i2c-core.c ---- linux-2.6.39.3/drivers/media/video/pvrusb2/pvrusb2-i2c-core.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/media/video/pvrusb2/pvrusb2-i2c-core.c 2011-05-22 19:36:31.000000000 -0400 -@@ -527,7 +527,7 @@ static u32 pvr2_i2c_functionality(struct - return I2C_FUNC_SMBUS_EMUL | I2C_FUNC_I2C; - } - --static struct i2c_algorithm pvr2_i2c_algo_template = { -+static const struct i2c_algorithm pvr2_i2c_algo_template = { - .master_xfer = pvr2_i2c_xfer, - .functionality = pvr2_i2c_functionality, - }; -diff -urNp linux-2.6.39.3/drivers/media/video/rj54n1cb0c.c linux-2.6.39.3/drivers/media/video/rj54n1cb0c.c ---- linux-2.6.39.3/drivers/media/video/rj54n1cb0c.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/media/video/rj54n1cb0c.c 2011-05-22 19:36:31.000000000 -0400 -@@ -1327,7 +1327,7 @@ static int rj54n1_s_ctrl(struct v4l2_sub - return 0; - } - --static struct v4l2_subdev_core_ops rj54n1_subdev_core_ops = { -+static const struct v4l2_subdev_core_ops rj54n1_subdev_core_ops = { - .g_ctrl = rj54n1_g_ctrl, - .s_ctrl = rj54n1_s_ctrl, - .g_chip_ident = rj54n1_g_chip_ident, -@@ -1337,7 +1337,7 @@ static struct v4l2_subdev_core_ops rj54n - #endif - }; - --static struct v4l2_subdev_video_ops rj54n1_subdev_video_ops = { -+static const struct v4l2_subdev_video_ops rj54n1_subdev_video_ops = { - .s_stream = rj54n1_s_stream, - .s_mbus_fmt = rj54n1_s_fmt, - .g_mbus_fmt = rj54n1_g_fmt, -diff -urNp linux-2.6.39.3/drivers/media/video/s5p-fimc/fimc-capture.c linux-2.6.39.3/drivers/media/video/s5p-fimc/fimc-capture.c ---- linux-2.6.39.3/drivers/media/video/s5p-fimc/fimc-capture.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/media/video/s5p-fimc/fimc-capture.c 2011-05-22 19:36:31.000000000 -0400 -@@ -376,7 +376,7 @@ static void fimc_unlock(struct vb2_queue - mutex_unlock(&ctx->fimc_dev->lock); - } - --static struct vb2_ops fimc_capture_qops = { -+static const struct vb2_ops fimc_capture_qops = { - .queue_setup = queue_setup, - .buf_prepare = buffer_prepare, - .buf_queue = buffer_queue, -diff -urNp linux-2.6.39.3/drivers/media/video/s5p-fimc/fimc-core.c linux-2.6.39.3/drivers/media/video/s5p-fimc/fimc-core.c ---- linux-2.6.39.3/drivers/media/video/s5p-fimc/fimc-core.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/media/video/s5p-fimc/fimc-core.c 2011-05-22 19:36:31.000000000 -0400 -@@ -768,7 +768,7 @@ static void fimc_unlock(struct vb2_queue - mutex_unlock(&ctx->fimc_dev->lock); - } - --static struct vb2_ops fimc_qops = { -+static const struct vb2_ops fimc_qops = { - .queue_setup = fimc_queue_setup, - .buf_prepare = fimc_buf_prepare, - .buf_queue = fimc_buf_queue, -diff -urNp linux-2.6.39.3/drivers/media/video/saa7134/saa6752hs.c linux-2.6.39.3/drivers/media/video/saa7134/saa6752hs.c ---- linux-2.6.39.3/drivers/media/video/saa7134/saa6752hs.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/media/video/saa7134/saa6752hs.c 2011-05-22 19:36:31.000000000 -0400 -@@ -682,6 +682,8 @@ static int saa6752hs_init(struct v4l2_su - unsigned char localPAT[256]; - unsigned char localPMT[256]; - -+ pax_track_stack(); -+ - /* Set video format - must be done first as it resets other settings */ - set_reg8(client, 0x41, h->video_format); - -diff -urNp linux-2.6.39.3/drivers/media/video/saa7134/saa7134-alsa.c linux-2.6.39.3/drivers/media/video/saa7134/saa7134-alsa.c ---- linux-2.6.39.3/drivers/media/video/saa7134/saa7134-alsa.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/media/video/saa7134/saa7134-alsa.c 2011-05-22 19:36:31.000000000 -0400 -@@ -808,7 +808,7 @@ static struct page *snd_card_saa7134_pag - * ALSA capture callbacks definition - */ - --static struct snd_pcm_ops snd_card_saa7134_capture_ops = { -+static const struct snd_pcm_ops snd_card_saa7134_capture_ops = { - .open = snd_card_saa7134_capture_open, - .close = snd_card_saa7134_capture_close, - .ioctl = snd_pcm_lib_ioctl, -diff -urNp linux-2.6.39.3/drivers/media/video/saa7164/saa7164-cmd.c linux-2.6.39.3/drivers/media/video/saa7164/saa7164-cmd.c ---- linux-2.6.39.3/drivers/media/video/saa7164/saa7164-cmd.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/media/video/saa7164/saa7164-cmd.c 2011-05-22 19:36:31.000000000 -0400 -@@ -88,6 +88,8 @@ int saa7164_irq_dequeue(struct saa7164_d - u8 tmp[512]; - dprintk(DBGLVL_CMD, "%s()\n", __func__); - -+ pax_track_stack(); -+ - /* While any outstand message on the bus exists... */ - do { - -@@ -141,6 +143,8 @@ int saa7164_cmd_dequeue(struct saa7164_d - u8 tmp[512]; - dprintk(DBGLVL_CMD, "%s()\n", __func__); - -+ pax_track_stack(); -+ - while (loop) { - - struct tmComResInfo tRsp = { 0, 0, 0, 0, 0, 0 }; -diff -urNp linux-2.6.39.3/drivers/media/video/sh_mobile_csi2.c linux-2.6.39.3/drivers/media/video/sh_mobile_csi2.c ---- linux-2.6.39.3/drivers/media/video/sh_mobile_csi2.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/media/video/sh_mobile_csi2.c 2011-05-22 19:36:31.000000000 -0400 -@@ -127,12 +127,12 @@ static int sh_csi2_s_fmt(struct v4l2_sub - return 0; - } - --static struct v4l2_subdev_video_ops sh_csi2_subdev_video_ops = { -+static const struct v4l2_subdev_video_ops sh_csi2_subdev_video_ops = { - .s_mbus_fmt = sh_csi2_s_fmt, - .try_mbus_fmt = sh_csi2_try_fmt, - }; - --static struct v4l2_subdev_core_ops sh_csi2_subdev_core_ops; -+static const struct v4l2_subdev_core_ops sh_csi2_subdev_core_ops; - - static struct v4l2_subdev_ops sh_csi2_subdev_ops = { - .core = &sh_csi2_subdev_core_ops, -diff -urNp linux-2.6.39.3/drivers/media/video/soc_camera_platform.c linux-2.6.39.3/drivers/media/video/soc_camera_platform.c ---- linux-2.6.39.3/drivers/media/video/soc_camera_platform.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/media/video/soc_camera_platform.c 2011-05-22 19:36:31.000000000 -0400 -@@ -70,7 +70,7 @@ static int soc_camera_platform_fill_fmt( - return 0; - } - --static struct v4l2_subdev_core_ops platform_subdev_core_ops; -+static const struct v4l2_subdev_core_ops platform_subdev_core_ops; - - static int soc_camera_platform_enum_fmt(struct v4l2_subdev *sd, unsigned int index, - enum v4l2_mbus_pixelcode *code) -@@ -115,7 +115,7 @@ static int soc_camera_platform_cropcap(s - return 0; - } - --static struct v4l2_subdev_video_ops platform_subdev_video_ops = { -+static const struct v4l2_subdev_video_ops platform_subdev_video_ops = { - .s_stream = soc_camera_platform_s_stream, - .enum_mbus_fmt = soc_camera_platform_enum_fmt, - .cropcap = soc_camera_platform_cropcap, -diff -urNp linux-2.6.39.3/drivers/media/video/tlg2300/pd-alsa.c linux-2.6.39.3/drivers/media/video/tlg2300/pd-alsa.c ---- linux-2.6.39.3/drivers/media/video/tlg2300/pd-alsa.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/media/video/tlg2300/pd-alsa.c 2011-05-22 19:36:31.000000000 -0400 -@@ -265,7 +265,7 @@ static struct page *snd_pcm_pd_get_page( - return vmalloc_to_page(pageptr); - } - --static struct snd_pcm_ops pcm_capture_ops = { -+static const struct snd_pcm_ops pcm_capture_ops = { - .open = snd_pd_capture_open, - .close = snd_pd_pcm_close, - .ioctl = snd_pcm_lib_ioctl, -diff -urNp linux-2.6.39.3/drivers/media/video/tw9910.c linux-2.6.39.3/drivers/media/video/tw9910.c ---- linux-2.6.39.3/drivers/media/video/tw9910.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/media/video/tw9910.c 2011-05-22 19:36:31.000000000 -0400 -@@ -894,7 +894,7 @@ static struct soc_camera_ops tw9910_ops - .enum_input = tw9910_enum_input, - }; - --static struct v4l2_subdev_core_ops tw9910_subdev_core_ops = { -+static const struct v4l2_subdev_core_ops tw9910_subdev_core_ops = { - .g_chip_ident = tw9910_g_chip_ident, - .s_std = tw9910_s_std, - #ifdef CONFIG_VIDEO_ADV_DEBUG -@@ -913,7 +913,7 @@ static int tw9910_enum_fmt(struct v4l2_s - return 0; - } - --static struct v4l2_subdev_video_ops tw9910_subdev_video_ops = { -+static const struct v4l2_subdev_video_ops tw9910_subdev_video_ops = { - .s_stream = tw9910_s_stream, - .g_mbus_fmt = tw9910_g_fmt, - .s_mbus_fmt = tw9910_s_fmt, -diff -urNp linux-2.6.39.3/drivers/media/video/usbvision/usbvision-core.c linux-2.6.39.3/drivers/media/video/usbvision/usbvision-core.c ---- linux-2.6.39.3/drivers/media/video/usbvision/usbvision-core.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/media/video/usbvision/usbvision-core.c 2011-05-22 19:36:31.000000000 -0400 -@@ -799,6 +799,8 @@ static enum parse_state usbvision_parse_ - unsigned char rv, gv, bv; - static unsigned char *Y, *U, *V; - -+ pax_track_stack(); -+ - frame = usbvision->cur_frame; - image_size = frame->frmwidth * frame->frmheight; - if ((frame->v4l2_format.format == V4L2_PIX_FMT_YUV422P) || -diff -urNp linux-2.6.39.3/drivers/media/video/usbvision/usbvision-i2c.c linux-2.6.39.3/drivers/media/video/usbvision/usbvision-i2c.c ---- linux-2.6.39.3/drivers/media/video/usbvision/usbvision-i2c.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/media/video/usbvision/usbvision-i2c.c 2011-05-22 19:36:31.000000000 -0400 -@@ -189,7 +189,7 @@ static u32 functionality(struct i2c_adap - - /* -----exported algorithm data: ------------------------------------- */ - --static struct i2c_algorithm usbvision_algo = { -+static const struct i2c_algorithm usbvision_algo = { - .master_xfer = usbvision_i2c_xfer, - .smbus_xfer = NULL, - .functionality = functionality, -diff -urNp linux-2.6.39.3/drivers/media/video/v4l2-device.c linux-2.6.39.3/drivers/media/video/v4l2-device.c ---- linux-2.6.39.3/drivers/media/video/v4l2-device.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/media/video/v4l2-device.c 2011-05-22 19:36:31.000000000 -0400 -@@ -71,9 +71,9 @@ int v4l2_device_put(struct v4l2_device * - EXPORT_SYMBOL_GPL(v4l2_device_put); - - int v4l2_device_set_name(struct v4l2_device *v4l2_dev, const char *basename, -- atomic_t *instance) -+ atomic_unchecked_t *instance) - { -- int num = atomic_inc_return(instance) - 1; -+ int num = atomic_inc_return_unchecked(instance) - 1; - int len = strlen(basename); - - if (basename[len - 1] >= '0' && basename[len - 1] <= '9') -diff -urNp linux-2.6.39.3/drivers/media/video/videobuf-dma-sg.c linux-2.6.39.3/drivers/media/video/videobuf-dma-sg.c ---- linux-2.6.39.3/drivers/media/video/videobuf-dma-sg.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/media/video/videobuf-dma-sg.c 2011-05-22 19:36:31.000000000 -0400 -@@ -606,6 +606,8 @@ void *videobuf_sg_alloc(size_t size) - { - struct videobuf_queue q; - -+ pax_track_stack(); -+ - /* Required to make generic handler to call __videobuf_alloc */ - q.int_ops = &sg_ops; - -diff -urNp linux-2.6.39.3/drivers/message/fusion/mptbase.c linux-2.6.39.3/drivers/message/fusion/mptbase.c ---- linux-2.6.39.3/drivers/message/fusion/mptbase.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/message/fusion/mptbase.c 2011-05-22 19:41:37.000000000 -0400 -@@ -143,7 +143,7 @@ static int MptDriverClass[MPT_MAX_PRO - static MPT_EVHANDLER MptEvHandlers[MPT_MAX_PROTOCOL_DRIVERS]; - /* Reset handler lookup table */ - static MPT_RESETHANDLER MptResetHandlers[MPT_MAX_PROTOCOL_DRIVERS]; --static struct mpt_pci_driver *MptDeviceDriverHandlers[MPT_MAX_PROTOCOL_DRIVERS]; -+static const struct mpt_pci_driver *MptDeviceDriverHandlers[MPT_MAX_PROTOCOL_DRIVERS]; - - #ifdef CONFIG_PROC_FS - static struct proc_dir_entry *mpt_proc_root_dir; -@@ -772,7 +772,7 @@ mpt_reset_deregister(u8 cb_idx) - * @cb_idx: MPT protocol driver index - */ - int --mpt_device_driver_register(struct mpt_pci_driver * dd_cbfunc, u8 cb_idx) -+mpt_device_driver_register(const struct mpt_pci_driver * dd_cbfunc, u8 cb_idx) - { - MPT_ADAPTER *ioc; - const struct pci_device_id *id; -@@ -801,7 +801,7 @@ mpt_device_driver_register(struct mpt_pc - void - mpt_device_driver_deregister(u8 cb_idx) - { -- struct mpt_pci_driver *dd_cbfunc; -+ const struct mpt_pci_driver *dd_cbfunc; - MPT_ADAPTER *ioc; - - if (!cb_idx || cb_idx >= MPT_MAX_PROTOCOL_DRIVERS) -@@ -6683,8 +6683,13 @@ static int mpt_iocinfo_proc_show(struct - seq_printf(m, " MaxChainDepth = 0x%02x frames\n", ioc->facts.MaxChainDepth); - seq_printf(m, " MinBlockSize = 0x%02x bytes\n", 4*ioc->facts.BlockSize); - -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+ seq_printf(m, " RequestFrames @ 0x%p (Dma @ 0x%p)\n", NULL, NULL); -+#else - seq_printf(m, " RequestFrames @ 0x%p (Dma @ 0x%p)\n", - (void *)ioc->req_frames, (void *)(ulong)ioc->req_frames_dma); -+#endif -+ - /* - * Rounding UP to nearest 4-kB boundary here... - */ -diff -urNp linux-2.6.39.3/drivers/message/fusion/mptbase.h linux-2.6.39.3/drivers/message/fusion/mptbase.h ---- linux-2.6.39.3/drivers/message/fusion/mptbase.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/message/fusion/mptbase.h 2011-05-22 19:36:31.000000000 -0400 -@@ -908,7 +908,7 @@ extern int mpt_event_register(u8 cb_idx - extern void mpt_event_deregister(u8 cb_idx); - extern int mpt_reset_register(u8 cb_idx, MPT_RESETHANDLER reset_func); - extern void mpt_reset_deregister(u8 cb_idx); --extern int mpt_device_driver_register(struct mpt_pci_driver * dd_cbfunc, u8 cb_idx); -+extern int mpt_device_driver_register(const struct mpt_pci_driver * dd_cbfunc, u8 cb_idx); - extern void mpt_device_driver_deregister(u8 cb_idx); - extern MPT_FRAME_HDR *mpt_get_msg_frame(u8 cb_idx, MPT_ADAPTER *ioc); - extern void mpt_free_msg_frame(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf); -diff -urNp linux-2.6.39.3/drivers/message/fusion/mptctl.c linux-2.6.39.3/drivers/message/fusion/mptctl.c ---- linux-2.6.39.3/drivers/message/fusion/mptctl.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/message/fusion/mptctl.c 2011-05-22 19:36:31.000000000 -0400 -@@ -3000,7 +3000,7 @@ mptctl_remove(struct pci_dev *pdev) - { - } - --static struct mpt_pci_driver mptctl_driver = { -+static const struct mpt_pci_driver mptctl_driver = { - .probe = mptctl_probe, - .remove = mptctl_remove, - }; -diff -urNp linux-2.6.39.3/drivers/message/fusion/mptsas.c linux-2.6.39.3/drivers/message/fusion/mptsas.c ---- linux-2.6.39.3/drivers/message/fusion/mptsas.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/message/fusion/mptsas.c 2011-05-22 19:36:31.000000000 -0400 -@@ -439,6 +439,23 @@ mptsas_is_end_device(struct mptsas_devin - return 0; - } - -+static inline void -+mptsas_set_rphy(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info, struct sas_rphy *rphy) -+{ -+ if (phy_info->port_details) { -+ phy_info->port_details->rphy = rphy; -+ dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "sas_rphy_add: rphy=%p\n", -+ ioc->name, rphy)); -+ } -+ -+ if (rphy) { -+ dsaswideprintk(ioc, dev_printk(KERN_DEBUG, -+ &rphy->dev, MYIOC_s_FMT "add:", ioc->name)); -+ dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "rphy=%p release=%p\n", -+ ioc->name, rphy, rphy->dev.release)); -+ } -+} -+ - /* no mutex */ - static void - mptsas_port_delete(MPT_ADAPTER *ioc, struct mptsas_portinfo_details * port_details) -@@ -477,23 +494,6 @@ mptsas_get_rphy(struct mptsas_phyinfo *p - return NULL; - } - --static inline void --mptsas_set_rphy(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info, struct sas_rphy *rphy) --{ -- if (phy_info->port_details) { -- phy_info->port_details->rphy = rphy; -- dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "sas_rphy_add: rphy=%p\n", -- ioc->name, rphy)); -- } -- -- if (rphy) { -- dsaswideprintk(ioc, dev_printk(KERN_DEBUG, -- &rphy->dev, MYIOC_s_FMT "add:", ioc->name)); -- dsaswideprintk(ioc, printk(MYIOC_s_DEBUG_FMT "rphy=%p release=%p\n", -- ioc->name, rphy, rphy->dev.release)); -- } --} -- - static inline struct sas_port * - mptsas_get_port(struct mptsas_phyinfo *phy_info) - { -diff -urNp linux-2.6.39.3/drivers/message/fusion/mptscsih.c linux-2.6.39.3/drivers/message/fusion/mptscsih.c ---- linux-2.6.39.3/drivers/message/fusion/mptscsih.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/message/fusion/mptscsih.c 2011-05-22 19:36:31.000000000 -0400 -@@ -1268,15 +1268,16 @@ mptscsih_info(struct Scsi_Host *SChost) - - h = shost_priv(SChost); - -- if (h) { -- if (h->info_kbuf == NULL) -- if ((h->info_kbuf = kmalloc(0x1000 /* 4Kb */, GFP_KERNEL)) == NULL) -- return h->info_kbuf; -- h->info_kbuf[0] = '\0'; -+ if (!h) -+ return NULL; - -- mpt_print_ioc_summary(h->ioc, h->info_kbuf, &size, 0, 0); -- h->info_kbuf[size-1] = '\0'; -- } -+ if (h->info_kbuf == NULL) -+ if ((h->info_kbuf = kmalloc(0x1000 /* 4Kb */, GFP_KERNEL)) == NULL) -+ return h->info_kbuf; -+ h->info_kbuf[0] = '\0'; -+ -+ mpt_print_ioc_summary(h->ioc, h->info_kbuf, &size, 0, 0); -+ h->info_kbuf[size-1] = '\0'; - - return h->info_kbuf; - } -diff -urNp linux-2.6.39.3/drivers/message/i2o/i2o_config.c linux-2.6.39.3/drivers/message/i2o/i2o_config.c ---- linux-2.6.39.3/drivers/message/i2o/i2o_config.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/message/i2o/i2o_config.c 2011-05-22 19:36:31.000000000 -0400 -@@ -781,6 +781,8 @@ static int i2o_cfg_passthru(unsigned lon - struct i2o_message *msg; - unsigned int iop; - -+ pax_track_stack(); -+ - if (get_user(iop, &cmd->iop) || get_user(user_msg, &cmd->msg)) - return -EFAULT; - -diff -urNp linux-2.6.39.3/drivers/message/i2o/i2o_proc.c linux-2.6.39.3/drivers/message/i2o/i2o_proc.c ---- linux-2.6.39.3/drivers/message/i2o/i2o_proc.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/message/i2o/i2o_proc.c 2011-05-22 19:36:31.000000000 -0400 -@@ -255,13 +255,6 @@ static char *scsi_devices[] = { - "Array Controller Device" - }; - --static char *chtostr(u8 * chars, int n) --{ -- char tmp[256]; -- tmp[0] = 0; -- return strncat(tmp, (char *)chars, n); --} -- - static int i2o_report_query_status(struct seq_file *seq, int block_status, - char *group) - { -@@ -838,8 +831,7 @@ static int i2o_seq_show_ddm_table(struct - - seq_printf(seq, "%-#7x", ddm_table.i2o_vendor_id); - seq_printf(seq, "%-#8x", ddm_table.module_id); -- seq_printf(seq, "%-29s", -- chtostr(ddm_table.module_name_version, 28)); -+ seq_printf(seq, "%-.28s", ddm_table.module_name_version); - seq_printf(seq, "%9d ", ddm_table.data_size); - seq_printf(seq, "%8d", ddm_table.code_size); - -@@ -940,8 +932,8 @@ static int i2o_seq_show_drivers_stored(s - - seq_printf(seq, "%-#7x", dst->i2o_vendor_id); - seq_printf(seq, "%-#8x", dst->module_id); -- seq_printf(seq, "%-29s", chtostr(dst->module_name_version, 28)); -- seq_printf(seq, "%-9s", chtostr(dst->date, 8)); -+ seq_printf(seq, "%-.28s", dst->module_name_version); -+ seq_printf(seq, "%-.8s", dst->date); - seq_printf(seq, "%8d ", dst->module_size); - seq_printf(seq, "%8d ", dst->mpb_size); - seq_printf(seq, "0x%04x", dst->module_flags); -@@ -1272,14 +1264,10 @@ static int i2o_seq_show_dev_identity(str - seq_printf(seq, "Device Class : %s\n", i2o_get_class_name(work16[0])); - seq_printf(seq, "Owner TID : %0#5x\n", work16[2]); - seq_printf(seq, "Parent TID : %0#5x\n", work16[3]); -- seq_printf(seq, "Vendor info : %s\n", -- chtostr((u8 *) (work32 + 2), 16)); -- seq_printf(seq, "Product info : %s\n", -- chtostr((u8 *) (work32 + 6), 16)); -- seq_printf(seq, "Description : %s\n", -- chtostr((u8 *) (work32 + 10), 16)); -- seq_printf(seq, "Product rev. : %s\n", -- chtostr((u8 *) (work32 + 14), 8)); -+ seq_printf(seq, "Vendor info : %.16s\n", (u8 *) (work32 + 2)); -+ seq_printf(seq, "Product info : %.16s\n", (u8 *) (work32 + 6)); -+ seq_printf(seq, "Description : %.16s\n", (u8 *) (work32 + 10)); -+ seq_printf(seq, "Product rev. : %.8s\n", (u8 *) (work32 + 14)); - - seq_printf(seq, "Serial number : "); - print_serial_number(seq, (u8 *) (work32 + 16), -@@ -1324,10 +1312,8 @@ static int i2o_seq_show_ddm_identity(str - } - - seq_printf(seq, "Registering DDM TID : 0x%03x\n", result.ddm_tid); -- seq_printf(seq, "Module name : %s\n", -- chtostr(result.module_name, 24)); -- seq_printf(seq, "Module revision : %s\n", -- chtostr(result.module_rev, 8)); -+ seq_printf(seq, "Module name : %.24s\n", result.module_name); -+ seq_printf(seq, "Module revision : %.8s\n", result.module_rev); - - seq_printf(seq, "Serial number : "); - print_serial_number(seq, result.serial_number, sizeof(result) - 36); -@@ -1358,14 +1344,10 @@ static int i2o_seq_show_uinfo(struct seq - return 0; - } - -- seq_printf(seq, "Device name : %s\n", -- chtostr(result.device_name, 64)); -- seq_printf(seq, "Service name : %s\n", -- chtostr(result.service_name, 64)); -- seq_printf(seq, "Physical name : %s\n", -- chtostr(result.physical_location, 64)); -- seq_printf(seq, "Instance number : %s\n", -- chtostr(result.instance_number, 4)); -+ seq_printf(seq, "Device name : %.64s\n", result.device_name); -+ seq_printf(seq, "Service name : %.64s\n", result.service_name); -+ seq_printf(seq, "Physical name : %.64s\n", result.physical_location); -+ seq_printf(seq, "Instance number : %.4s\n", result.instance_number); - - return 0; - } -diff -urNp linux-2.6.39.3/drivers/message/i2o/iop.c linux-2.6.39.3/drivers/message/i2o/iop.c ---- linux-2.6.39.3/drivers/message/i2o/iop.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/message/i2o/iop.c 2011-05-22 19:36:31.000000000 -0400 -@@ -111,10 +111,10 @@ u32 i2o_cntxt_list_add(struct i2o_contro - - spin_lock_irqsave(&c->context_list_lock, flags); - -- if (unlikely(atomic_inc_and_test(&c->context_list_counter))) -- atomic_inc(&c->context_list_counter); -+ if (unlikely(atomic_inc_and_test_unchecked(&c->context_list_counter))) -+ atomic_inc_unchecked(&c->context_list_counter); - -- entry->context = atomic_read(&c->context_list_counter); -+ entry->context = atomic_read_unchecked(&c->context_list_counter); - - list_add(&entry->list, &c->context_list); - -@@ -1077,7 +1077,7 @@ struct i2o_controller *i2o_iop_alloc(voi - - #if BITS_PER_LONG == 64 - spin_lock_init(&c->context_list_lock); -- atomic_set(&c->context_list_counter, 0); -+ atomic_set_unchecked(&c->context_list_counter, 0); - INIT_LIST_HEAD(&c->context_list); - #endif - -diff -urNp linux-2.6.39.3/drivers/mfd/ab3100-core.c linux-2.6.39.3/drivers/mfd/ab3100-core.c ---- linux-2.6.39.3/drivers/mfd/ab3100-core.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/mfd/ab3100-core.c 2011-05-22 19:36:31.000000000 -0400 -@@ -385,7 +385,7 @@ static int ab3100_event_registers_startu - return 0; - } - --static struct abx500_ops ab3100_ops = { -+static const struct abx500_ops ab3100_ops = { - .get_chip_id = ab3100_get_chip_id, - .set_register = set_register_interruptible, - .get_register = get_register_interruptible, -diff -urNp linux-2.6.39.3/drivers/mfd/ab3550-core.c linux-2.6.39.3/drivers/mfd/ab3550-core.c ---- linux-2.6.39.3/drivers/mfd/ab3550-core.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/mfd/ab3550-core.c 2011-05-22 19:36:31.000000000 -0400 -@@ -676,7 +676,7 @@ static int ab3550_startup_irq_enabled(st - return val; - } - --static struct abx500_ops ab3550_ops = { -+static const struct abx500_ops ab3550_ops = { - .get_chip_id = ab3550_get_chip_id, - .get_register = ab3550_get_register_interruptible, - .set_register = ab3550_set_register_interruptible, -diff -urNp linux-2.6.39.3/drivers/mfd/ab8500-core.c linux-2.6.39.3/drivers/mfd/ab8500-core.c ---- linux-2.6.39.3/drivers/mfd/ab8500-core.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/mfd/ab8500-core.c 2011-05-22 19:36:31.000000000 -0400 -@@ -223,7 +223,7 @@ static int ab8500_mask_and_set_register( - - } - --static struct abx500_ops ab8500_ops = { -+static const struct abx500_ops ab8500_ops = { - .get_chip_id = ab8500_get_chip_id, - .get_register = ab8500_get_register, - .set_register = ab8500_set_register, -diff -urNp linux-2.6.39.3/drivers/mfd/abx500-core.c linux-2.6.39.3/drivers/mfd/abx500-core.c ---- linux-2.6.39.3/drivers/mfd/abx500-core.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/mfd/abx500-core.c 2011-05-22 19:36:31.000000000 -0400 -@@ -18,7 +18,7 @@ struct abx500_device_entry { - struct device *dev; - }; - --static void lookup_ops(struct device *dev, struct abx500_ops **ops) -+static void lookup_ops(struct device *dev, const struct abx500_ops **ops) - { - struct abx500_device_entry *dev_entry; - -@@ -31,7 +31,7 @@ static void lookup_ops(struct device *de - } - } - --int abx500_register_ops(struct device *dev, struct abx500_ops *ops) -+int abx500_register_ops(struct device *dev, const struct abx500_ops *ops) - { - struct abx500_device_entry *dev_entry; - -@@ -65,7 +65,7 @@ EXPORT_SYMBOL(abx500_remove_ops); - int abx500_set_register_interruptible(struct device *dev, u8 bank, u8 reg, - u8 value) - { -- struct abx500_ops *ops; -+ const struct abx500_ops *ops; - - lookup_ops(dev->parent, &ops); - if ((ops != NULL) && (ops->set_register != NULL)) -@@ -78,7 +78,7 @@ EXPORT_SYMBOL(abx500_set_register_interr - int abx500_get_register_interruptible(struct device *dev, u8 bank, u8 reg, - u8 *value) - { -- struct abx500_ops *ops; -+ const struct abx500_ops *ops; - - lookup_ops(dev->parent, &ops); - if ((ops != NULL) && (ops->get_register != NULL)) -@@ -91,7 +91,7 @@ EXPORT_SYMBOL(abx500_get_register_interr - int abx500_get_register_page_interruptible(struct device *dev, u8 bank, - u8 first_reg, u8 *regvals, u8 numregs) - { -- struct abx500_ops *ops; -+ const struct abx500_ops *ops; - - lookup_ops(dev->parent, &ops); - if ((ops != NULL) && (ops->get_register_page != NULL)) -@@ -105,7 +105,7 @@ EXPORT_SYMBOL(abx500_get_register_page_i - int abx500_mask_and_set_register_interruptible(struct device *dev, u8 bank, - u8 reg, u8 bitmask, u8 bitvalues) - { -- struct abx500_ops *ops; -+ const struct abx500_ops *ops; - - lookup_ops(dev->parent, &ops); - if ((ops != NULL) && (ops->mask_and_set_register != NULL)) -@@ -118,7 +118,7 @@ EXPORT_SYMBOL(abx500_mask_and_set_regist - - int abx500_get_chip_id(struct device *dev) - { -- struct abx500_ops *ops; -+ const struct abx500_ops *ops; - - lookup_ops(dev->parent, &ops); - if ((ops != NULL) && (ops->get_chip_id != NULL)) -@@ -130,7 +130,7 @@ EXPORT_SYMBOL(abx500_get_chip_id); - - int abx500_event_registers_startup_state_get(struct device *dev, u8 *event) - { -- struct abx500_ops *ops; -+ const struct abx500_ops *ops; - - lookup_ops(dev->parent, &ops); - if ((ops != NULL) && (ops->event_registers_startup_state_get != NULL)) -@@ -142,7 +142,7 @@ EXPORT_SYMBOL(abx500_event_registers_sta - - int abx500_startup_irq_enabled(struct device *dev, unsigned int irq) - { -- struct abx500_ops *ops; -+ const struct abx500_ops *ops; - - lookup_ops(dev->parent, &ops); - if ((ops != NULL) && (ops->startup_irq_enabled != NULL)) -diff -urNp linux-2.6.39.3/drivers/mfd/janz-cmodio.c linux-2.6.39.3/drivers/mfd/janz-cmodio.c ---- linux-2.6.39.3/drivers/mfd/janz-cmodio.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/mfd/janz-cmodio.c 2011-05-22 19:36:31.000000000 -0400 -@@ -13,6 +13,7 @@ - - #include <linux/kernel.h> - #include <linux/module.h> -+#include <linux/slab.h> - #include <linux/init.h> - #include <linux/pci.h> - #include <linux/interrupt.h> -diff -urNp linux-2.6.39.3/drivers/mfd/mcp-sa11x0.c linux-2.6.39.3/drivers/mfd/mcp-sa11x0.c ---- linux-2.6.39.3/drivers/mfd/mcp-sa11x0.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/mfd/mcp-sa11x0.c 2011-05-22 19:36:31.000000000 -0400 -@@ -128,7 +128,7 @@ static void mcp_sa11x0_disable(struct mc - /* - * Our methods. - */ --static struct mcp_ops mcp_sa11x0 = { -+static const struct mcp_ops mcp_sa11x0 = { - .set_telecom_divisor = mcp_sa11x0_set_telecom_divisor, - .set_audio_divisor = mcp_sa11x0_set_audio_divisor, - .reg_write = mcp_sa11x0_write, -diff -urNp linux-2.6.39.3/drivers/mfd/wm8350-i2c.c linux-2.6.39.3/drivers/mfd/wm8350-i2c.c ---- linux-2.6.39.3/drivers/mfd/wm8350-i2c.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/mfd/wm8350-i2c.c 2011-05-22 19:36:31.000000000 -0400 -@@ -44,6 +44,8 @@ static int wm8350_i2c_write_device(struc - u8 msg[(WM8350_MAX_REGISTER << 1) + 1]; - int ret; - -+ pax_track_stack(); -+ - if (bytes > ((WM8350_MAX_REGISTER << 1) + 1)) - return -EINVAL; - -diff -urNp linux-2.6.39.3/drivers/misc/enclosure.c linux-2.6.39.3/drivers/misc/enclosure.c ---- linux-2.6.39.3/drivers/misc/enclosure.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/misc/enclosure.c 2011-05-22 19:36:31.000000000 -0400 -@@ -161,7 +161,7 @@ enclosure_register(struct device *dev, c - } - EXPORT_SYMBOL_GPL(enclosure_register); - --static struct enclosure_component_callbacks enclosure_null_callbacks; -+static const struct enclosure_component_callbacks enclosure_null_callbacks; - - /** - * enclosure_unregister - remove an enclosure -diff -urNp linux-2.6.39.3/drivers/misc/kgdbts.c linux-2.6.39.3/drivers/misc/kgdbts.c ---- linux-2.6.39.3/drivers/misc/kgdbts.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/misc/kgdbts.c 2011-05-22 19:36:31.000000000 -0400 -@@ -118,7 +118,7 @@ - } while (0) - #define MAX_CONFIG_LEN 40 - --static struct kgdb_io kgdbts_io_ops; -+static const struct kgdb_io kgdbts_io_ops; - static char get_buf[BUFMAX]; - static int get_buf_cnt; - static char put_buf[BUFMAX]; -@@ -1103,7 +1103,7 @@ static void kgdbts_post_exp_handler(void - module_put(THIS_MODULE); - } - --static struct kgdb_io kgdbts_io_ops = { -+static const struct kgdb_io kgdbts_io_ops = { - .name = "kgdbts", - .read_char = kgdbts_get_char, - .write_char = kgdbts_put_char, -diff -urNp linux-2.6.39.3/drivers/misc/lis3lv02d/lis3lv02d.c linux-2.6.39.3/drivers/misc/lis3lv02d/lis3lv02d.c ---- linux-2.6.39.3/drivers/misc/lis3lv02d/lis3lv02d.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/misc/lis3lv02d/lis3lv02d.c 2011-05-22 19:36:31.000000000 -0400 -@@ -435,7 +435,7 @@ static irqreturn_t lis302dl_interrupt(in - * the lid is closed. This leads to interrupts as soon as a little move - * is done. - */ -- atomic_inc(&lis3_dev.count); -+ atomic_inc_unchecked(&lis3_dev.count); - - wake_up_interruptible(&lis3_dev.misc_wait); - kill_fasync(&lis3_dev.async_queue, SIGIO, POLL_IN); -@@ -518,7 +518,7 @@ static int lis3lv02d_misc_open(struct in - if (lis3_dev.pm_dev) - pm_runtime_get_sync(lis3_dev.pm_dev); - -- atomic_set(&lis3_dev.count, 0); -+ atomic_set_unchecked(&lis3_dev.count, 0); - return 0; - } - -@@ -545,7 +545,7 @@ static ssize_t lis3lv02d_misc_read(struc - add_wait_queue(&lis3_dev.misc_wait, &wait); - while (true) { - set_current_state(TASK_INTERRUPTIBLE); -- data = atomic_xchg(&lis3_dev.count, 0); -+ data = atomic_xchg_unchecked(&lis3_dev.count, 0); - if (data) - break; - -@@ -583,7 +583,7 @@ out: - static unsigned int lis3lv02d_misc_poll(struct file *file, poll_table *wait) - { - poll_wait(file, &lis3_dev.misc_wait, wait); -- if (atomic_read(&lis3_dev.count)) -+ if (atomic_read_unchecked(&lis3_dev.count)) - return POLLIN | POLLRDNORM; - return 0; - } -diff -urNp linux-2.6.39.3/drivers/misc/lis3lv02d/lis3lv02d.h linux-2.6.39.3/drivers/misc/lis3lv02d/lis3lv02d.h ---- linux-2.6.39.3/drivers/misc/lis3lv02d/lis3lv02d.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/misc/lis3lv02d/lis3lv02d.h 2011-05-22 19:36:31.000000000 -0400 -@@ -265,7 +265,7 @@ struct lis3lv02d { - struct input_polled_dev *idev; /* input device */ - struct platform_device *pdev; /* platform device */ - struct regulator_bulk_data regulators[2]; -- atomic_t count; /* interrupt count after last read */ -+ atomic_unchecked_t count; /* interrupt count after last read */ - union axis_conversion ac; /* hw -> logical axis */ - int mapped_btns[3]; - -diff -urNp linux-2.6.39.3/drivers/misc/sgi-gru/gruhandles.c linux-2.6.39.3/drivers/misc/sgi-gru/gruhandles.c ---- linux-2.6.39.3/drivers/misc/sgi-gru/gruhandles.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/misc/sgi-gru/gruhandles.c 2011-05-22 19:36:31.000000000 -0400 -@@ -44,8 +44,8 @@ static void update_mcs_stats(enum mcs_op - unsigned long nsec; - - nsec = CLKS2NSEC(clks); -- atomic_long_inc(&mcs_op_statistics[op].count); -- atomic_long_add(nsec, &mcs_op_statistics[op].total); -+ atomic_long_inc_unchecked(&mcs_op_statistics[op].count); -+ atomic_long_add_unchecked(nsec, &mcs_op_statistics[op].total); - if (mcs_op_statistics[op].max < nsec) - mcs_op_statistics[op].max = nsec; - } -diff -urNp linux-2.6.39.3/drivers/misc/sgi-gru/gruprocfs.c linux-2.6.39.3/drivers/misc/sgi-gru/gruprocfs.c ---- linux-2.6.39.3/drivers/misc/sgi-gru/gruprocfs.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/misc/sgi-gru/gruprocfs.c 2011-05-22 19:36:31.000000000 -0400 -@@ -32,9 +32,9 @@ - - #define printstat(s, f) printstat_val(s, &gru_stats.f, #f) - --static void printstat_val(struct seq_file *s, atomic_long_t *v, char *id) -+static void printstat_val(struct seq_file *s, atomic_long_unchecked_t *v, char *id) - { -- unsigned long val = atomic_long_read(v); -+ unsigned long val = atomic_long_read_unchecked(v); - - seq_printf(s, "%16lu %s\n", val, id); - } -@@ -134,8 +134,8 @@ static int mcs_statistics_show(struct se - - seq_printf(s, "%-20s%12s%12s%12s\n", "#id", "count", "aver-clks", "max-clks"); - for (op = 0; op < mcsop_last; op++) { -- count = atomic_long_read(&mcs_op_statistics[op].count); -- total = atomic_long_read(&mcs_op_statistics[op].total); -+ count = atomic_long_read_unchecked(&mcs_op_statistics[op].count); -+ total = atomic_long_read_unchecked(&mcs_op_statistics[op].total); - max = mcs_op_statistics[op].max; - seq_printf(s, "%-20s%12ld%12ld%12ld\n", id[op], count, - count ? total / count : 0, max); -diff -urNp linux-2.6.39.3/drivers/misc/sgi-gru/grutables.h linux-2.6.39.3/drivers/misc/sgi-gru/grutables.h ---- linux-2.6.39.3/drivers/misc/sgi-gru/grutables.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/misc/sgi-gru/grutables.h 2011-05-22 19:36:31.000000000 -0400 -@@ -167,82 +167,82 @@ extern unsigned int gru_max_gids; - * GRU statistics. - */ - struct gru_stats_s { -- atomic_long_t vdata_alloc; -- atomic_long_t vdata_free; -- atomic_long_t gts_alloc; -- atomic_long_t gts_free; -- atomic_long_t gms_alloc; -- atomic_long_t gms_free; -- atomic_long_t gts_double_allocate; -- atomic_long_t assign_context; -- atomic_long_t assign_context_failed; -- atomic_long_t free_context; -- atomic_long_t load_user_context; -- atomic_long_t load_kernel_context; -- atomic_long_t lock_kernel_context; -- atomic_long_t unlock_kernel_context; -- atomic_long_t steal_user_context; -- atomic_long_t steal_kernel_context; -- atomic_long_t steal_context_failed; -- atomic_long_t nopfn; -- atomic_long_t asid_new; -- atomic_long_t asid_next; -- atomic_long_t asid_wrap; -- atomic_long_t asid_reuse; -- atomic_long_t intr; -- atomic_long_t intr_cbr; -- atomic_long_t intr_tfh; -- atomic_long_t intr_spurious; -- atomic_long_t intr_mm_lock_failed; -- atomic_long_t call_os; -- atomic_long_t call_os_wait_queue; -- atomic_long_t user_flush_tlb; -- atomic_long_t user_unload_context; -- atomic_long_t user_exception; -- atomic_long_t set_context_option; -- atomic_long_t check_context_retarget_intr; -- atomic_long_t check_context_unload; -- atomic_long_t tlb_dropin; -- atomic_long_t tlb_preload_page; -- atomic_long_t tlb_dropin_fail_no_asid; -- atomic_long_t tlb_dropin_fail_upm; -- atomic_long_t tlb_dropin_fail_invalid; -- atomic_long_t tlb_dropin_fail_range_active; -- atomic_long_t tlb_dropin_fail_idle; -- atomic_long_t tlb_dropin_fail_fmm; -- atomic_long_t tlb_dropin_fail_no_exception; -- atomic_long_t tfh_stale_on_fault; -- atomic_long_t mmu_invalidate_range; -- atomic_long_t mmu_invalidate_page; -- atomic_long_t flush_tlb; -- atomic_long_t flush_tlb_gru; -- atomic_long_t flush_tlb_gru_tgh; -- atomic_long_t flush_tlb_gru_zero_asid; -- -- atomic_long_t copy_gpa; -- atomic_long_t read_gpa; -- -- atomic_long_t mesq_receive; -- atomic_long_t mesq_receive_none; -- atomic_long_t mesq_send; -- atomic_long_t mesq_send_failed; -- atomic_long_t mesq_noop; -- atomic_long_t mesq_send_unexpected_error; -- atomic_long_t mesq_send_lb_overflow; -- atomic_long_t mesq_send_qlimit_reached; -- atomic_long_t mesq_send_amo_nacked; -- atomic_long_t mesq_send_put_nacked; -- atomic_long_t mesq_page_overflow; -- atomic_long_t mesq_qf_locked; -- atomic_long_t mesq_qf_noop_not_full; -- atomic_long_t mesq_qf_switch_head_failed; -- atomic_long_t mesq_qf_unexpected_error; -- atomic_long_t mesq_noop_unexpected_error; -- atomic_long_t mesq_noop_lb_overflow; -- atomic_long_t mesq_noop_qlimit_reached; -- atomic_long_t mesq_noop_amo_nacked; -- atomic_long_t mesq_noop_put_nacked; -- atomic_long_t mesq_noop_page_overflow; -+ atomic_long_unchecked_t vdata_alloc; -+ atomic_long_unchecked_t vdata_free; -+ atomic_long_unchecked_t gts_alloc; -+ atomic_long_unchecked_t gts_free; -+ atomic_long_unchecked_t gms_alloc; -+ atomic_long_unchecked_t gms_free; -+ atomic_long_unchecked_t gts_double_allocate; -+ atomic_long_unchecked_t assign_context; -+ atomic_long_unchecked_t assign_context_failed; -+ atomic_long_unchecked_t free_context; -+ atomic_long_unchecked_t load_user_context; -+ atomic_long_unchecked_t load_kernel_context; -+ atomic_long_unchecked_t lock_kernel_context; -+ atomic_long_unchecked_t unlock_kernel_context; -+ atomic_long_unchecked_t steal_user_context; -+ atomic_long_unchecked_t steal_kernel_context; -+ atomic_long_unchecked_t steal_context_failed; -+ atomic_long_unchecked_t nopfn; -+ atomic_long_unchecked_t asid_new; -+ atomic_long_unchecked_t asid_next; -+ atomic_long_unchecked_t asid_wrap; -+ atomic_long_unchecked_t asid_reuse; -+ atomic_long_unchecked_t intr; -+ atomic_long_unchecked_t intr_cbr; -+ atomic_long_unchecked_t intr_tfh; -+ atomic_long_unchecked_t intr_spurious; -+ atomic_long_unchecked_t intr_mm_lock_failed; -+ atomic_long_unchecked_t call_os; -+ atomic_long_unchecked_t call_os_wait_queue; -+ atomic_long_unchecked_t user_flush_tlb; -+ atomic_long_unchecked_t user_unload_context; -+ atomic_long_unchecked_t user_exception; -+ atomic_long_unchecked_t set_context_option; -+ atomic_long_unchecked_t check_context_retarget_intr; -+ atomic_long_unchecked_t check_context_unload; -+ atomic_long_unchecked_t tlb_dropin; -+ atomic_long_unchecked_t tlb_preload_page; -+ atomic_long_unchecked_t tlb_dropin_fail_no_asid; -+ atomic_long_unchecked_t tlb_dropin_fail_upm; -+ atomic_long_unchecked_t tlb_dropin_fail_invalid; -+ atomic_long_unchecked_t tlb_dropin_fail_range_active; -+ atomic_long_unchecked_t tlb_dropin_fail_idle; -+ atomic_long_unchecked_t tlb_dropin_fail_fmm; -+ atomic_long_unchecked_t tlb_dropin_fail_no_exception; -+ atomic_long_unchecked_t tfh_stale_on_fault; -+ atomic_long_unchecked_t mmu_invalidate_range; -+ atomic_long_unchecked_t mmu_invalidate_page; -+ atomic_long_unchecked_t flush_tlb; -+ atomic_long_unchecked_t flush_tlb_gru; -+ atomic_long_unchecked_t flush_tlb_gru_tgh; -+ atomic_long_unchecked_t flush_tlb_gru_zero_asid; -+ -+ atomic_long_unchecked_t copy_gpa; -+ atomic_long_unchecked_t read_gpa; -+ -+ atomic_long_unchecked_t mesq_receive; -+ atomic_long_unchecked_t mesq_receive_none; -+ atomic_long_unchecked_t mesq_send; -+ atomic_long_unchecked_t mesq_send_failed; -+ atomic_long_unchecked_t mesq_noop; -+ atomic_long_unchecked_t mesq_send_unexpected_error; -+ atomic_long_unchecked_t mesq_send_lb_overflow; -+ atomic_long_unchecked_t mesq_send_qlimit_reached; -+ atomic_long_unchecked_t mesq_send_amo_nacked; -+ atomic_long_unchecked_t mesq_send_put_nacked; -+ atomic_long_unchecked_t mesq_page_overflow; -+ atomic_long_unchecked_t mesq_qf_locked; -+ atomic_long_unchecked_t mesq_qf_noop_not_full; -+ atomic_long_unchecked_t mesq_qf_switch_head_failed; -+ atomic_long_unchecked_t mesq_qf_unexpected_error; -+ atomic_long_unchecked_t mesq_noop_unexpected_error; -+ atomic_long_unchecked_t mesq_noop_lb_overflow; -+ atomic_long_unchecked_t mesq_noop_qlimit_reached; -+ atomic_long_unchecked_t mesq_noop_amo_nacked; -+ atomic_long_unchecked_t mesq_noop_put_nacked; -+ atomic_long_unchecked_t mesq_noop_page_overflow; - - }; - -@@ -251,8 +251,8 @@ enum mcs_op {cchop_allocate, cchop_start - tghop_invalidate, mcsop_last}; - - struct mcs_op_statistic { -- atomic_long_t count; -- atomic_long_t total; -+ atomic_long_unchecked_t count; -+ atomic_long_unchecked_t total; - unsigned long max; - }; - -@@ -275,7 +275,7 @@ extern struct mcs_op_statistic mcs_op_st - - #define STAT(id) do { \ - if (gru_options & OPT_STATS) \ -- atomic_long_inc(&gru_stats.id); \ -+ atomic_long_inc_unchecked(&gru_stats.id); \ - } while (0) - - #ifdef CONFIG_SGI_GRU_DEBUG -diff -urNp linux-2.6.39.3/drivers/misc/sgi-xp/xpc_sn2.c linux-2.6.39.3/drivers/misc/sgi-xp/xpc_sn2.c ---- linux-2.6.39.3/drivers/misc/sgi-xp/xpc_sn2.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/misc/sgi-xp/xpc_sn2.c 2011-05-22 19:36:31.000000000 -0400 -@@ -2351,7 +2351,7 @@ xpc_received_payload_sn2(struct xpc_chan - xpc_acknowledge_msgs_sn2(ch, get, msg->flags); - } - --static struct xpc_arch_operations xpc_arch_ops_sn2 = { -+static const struct xpc_arch_operations xpc_arch_ops_sn2 = { - .setup_partitions = xpc_setup_partitions_sn2, - .teardown_partitions = xpc_teardown_partitions_sn2, - .process_activate_IRQ_rcvd = xpc_process_activate_IRQ_rcvd_sn2, -diff -urNp linux-2.6.39.3/drivers/misc/sgi-xp/xpc_uv.c linux-2.6.39.3/drivers/misc/sgi-xp/xpc_uv.c ---- linux-2.6.39.3/drivers/misc/sgi-xp/xpc_uv.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/misc/sgi-xp/xpc_uv.c 2011-05-22 19:36:31.000000000 -0400 -@@ -1674,7 +1674,7 @@ xpc_received_payload_uv(struct xpc_chann - XPC_DEACTIVATE_PARTITION(&xpc_partitions[ch->partid], ret); - } - --static struct xpc_arch_operations xpc_arch_ops_uv = { -+static const struct xpc_arch_operations xpc_arch_ops_uv = { - .setup_partitions = xpc_setup_partitions_uv, - .teardown_partitions = xpc_teardown_partitions_uv, - .process_activate_IRQ_rcvd = xpc_process_activate_IRQ_rcvd_uv, -diff -urNp linux-2.6.39.3/drivers/misc/spear13xx_pcie_gadget.c linux-2.6.39.3/drivers/misc/spear13xx_pcie_gadget.c ---- linux-2.6.39.3/drivers/misc/spear13xx_pcie_gadget.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/misc/spear13xx_pcie_gadget.c 2011-05-22 19:36:31.000000000 -0400 -@@ -644,7 +644,7 @@ static ssize_t pcie_gadget_target_attr_s - return ret; - } - --static struct configfs_item_operations pcie_gadget_target_item_ops = { -+static const struct configfs_item_operations pcie_gadget_target_item_ops = { - .show_attribute = pcie_gadget_target_attr_show, - .store_attribute = pcie_gadget_target_attr_store, - }; -diff -urNp linux-2.6.39.3/drivers/mmc/host/davinci_mmc.c linux-2.6.39.3/drivers/mmc/host/davinci_mmc.c ---- linux-2.6.39.3/drivers/mmc/host/davinci_mmc.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/mmc/host/davinci_mmc.c 2011-05-22 19:36:31.000000000 -0400 -@@ -1133,7 +1133,7 @@ static void mmc_davinci_enable_sdio_irq( - } - } - --static struct mmc_host_ops mmc_davinci_ops = { -+static const struct mmc_host_ops mmc_davinci_ops = { - .request = mmc_davinci_request, - .set_ios = mmc_davinci_set_ios, - .get_cd = mmc_davinci_get_cd, -diff -urNp linux-2.6.39.3/drivers/mmc/host/dw_mmc.c linux-2.6.39.3/drivers/mmc/host/dw_mmc.c ---- linux-2.6.39.3/drivers/mmc/host/dw_mmc.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/mmc/host/dw_mmc.c 2011-05-22 19:36:31.000000000 -0400 -@@ -417,7 +417,7 @@ static int dw_mci_idmac_init(struct dw_m - return 0; - } - --static struct dw_mci_dma_ops dw_mci_idmac_ops = { -+static const struct dw_mci_dma_ops dw_mci_idmac_ops = { - .init = dw_mci_idmac_init, - .start = dw_mci_idmac_start_dma, - .stop = dw_mci_idmac_stop_dma, -diff -urNp linux-2.6.39.3/drivers/mmc/host/s3cmci.c linux-2.6.39.3/drivers/mmc/host/s3cmci.c ---- linux-2.6.39.3/drivers/mmc/host/s3cmci.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/mmc/host/s3cmci.c 2011-05-22 19:36:31.000000000 -0400 -@@ -1349,7 +1349,7 @@ static void s3cmci_enable_sdio_irq(struc - s3cmci_check_sdio_irq(host); - } - --static struct mmc_host_ops s3cmci_ops = { -+static const struct mmc_host_ops s3cmci_ops = { - .request = s3cmci_request, - .set_ios = s3cmci_set_ios, - .get_ro = s3cmci_get_ro, -diff -urNp linux-2.6.39.3/drivers/mmc/host/sdhci-cns3xxx.c linux-2.6.39.3/drivers/mmc/host/sdhci-cns3xxx.c ---- linux-2.6.39.3/drivers/mmc/host/sdhci-cns3xxx.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/mmc/host/sdhci-cns3xxx.c 2011-05-22 19:36:31.000000000 -0400 -@@ -81,7 +81,7 @@ out: - host->clock = clock; - } - --static struct sdhci_ops sdhci_cns3xxx_ops = { -+static const struct sdhci_ops sdhci_cns3xxx_ops = { - .get_max_clock = sdhci_cns3xxx_get_max_clk, - .set_clock = sdhci_cns3xxx_set_clock, - }; -diff -urNp linux-2.6.39.3/drivers/mmc/host/sdhci-dove.c linux-2.6.39.3/drivers/mmc/host/sdhci-dove.c ---- linux-2.6.39.3/drivers/mmc/host/sdhci-dove.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/mmc/host/sdhci-dove.c 2011-05-22 19:36:31.000000000 -0400 -@@ -56,7 +56,7 @@ static u32 sdhci_dove_readl(struct sdhci - return ret; - } - --static struct sdhci_ops sdhci_dove_ops = { -+static const struct sdhci_ops sdhci_dove_ops = { - .read_w = sdhci_dove_readw, - .read_l = sdhci_dove_readl, - }; -diff -urNp linux-2.6.39.3/drivers/mmc/host/sdhci-esdhc-imx.c linux-2.6.39.3/drivers/mmc/host/sdhci-esdhc-imx.c ---- linux-2.6.39.3/drivers/mmc/host/sdhci-esdhc-imx.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/mmc/host/sdhci-esdhc-imx.c 2011-05-22 19:36:31.000000000 -0400 -@@ -201,7 +201,7 @@ static unsigned int esdhc_pltfm_get_ro(s - return -ENOSYS; - } - --static struct sdhci_ops sdhci_esdhc_ops = { -+static const struct sdhci_ops sdhci_esdhc_ops = { - .read_l = esdhc_readl_le, - .read_w = esdhc_readw_le, - .write_l = esdhc_writel_le, -diff -urNp linux-2.6.39.3/drivers/mmc/host/sdhci-of.h linux-2.6.39.3/drivers/mmc/host/sdhci-of.h ---- linux-2.6.39.3/drivers/mmc/host/sdhci-of.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/mmc/host/sdhci-of.h 2011-05-22 19:36:31.000000000 -0400 -@@ -21,7 +21,7 @@ - - struct sdhci_of_data { - unsigned int quirks; -- struct sdhci_ops ops; -+ const struct sdhci_ops ops; - }; - - struct sdhci_of_host { -diff -urNp linux-2.6.39.3/drivers/mmc/host/sdhci-pci.c linux-2.6.39.3/drivers/mmc/host/sdhci-pci.c ---- linux-2.6.39.3/drivers/mmc/host/sdhci-pci.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/mmc/host/sdhci-pci.c 2011-05-22 19:36:31.000000000 -0400 -@@ -786,7 +786,7 @@ static int sdhci_pci_enable_dma(struct s - return 0; - } - --static struct sdhci_ops sdhci_pci_ops = { -+static const struct sdhci_ops sdhci_pci_ops = { - .enable_dma = sdhci_pci_enable_dma, - }; - -diff -urNp linux-2.6.39.3/drivers/mmc/host/sdhci-pltfm.c linux-2.6.39.3/drivers/mmc/host/sdhci-pltfm.c ---- linux-2.6.39.3/drivers/mmc/host/sdhci-pltfm.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/mmc/host/sdhci-pltfm.c 2011-05-22 19:36:31.000000000 -0400 -@@ -41,7 +41,7 @@ - * * - \*****************************************************************************/ - --static struct sdhci_ops sdhci_pltfm_ops = { -+static const struct sdhci_ops sdhci_pltfm_ops = { - }; - - /*****************************************************************************\ -diff -urNp linux-2.6.39.3/drivers/mmc/host/sdhci-pxa.c linux-2.6.39.3/drivers/mmc/host/sdhci-pxa.c ---- linux-2.6.39.3/drivers/mmc/host/sdhci-pxa.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/mmc/host/sdhci-pxa.c 2011-05-22 19:36:31.000000000 -0400 -@@ -69,7 +69,7 @@ static void set_clock(struct sdhci_host - } - } - --static struct sdhci_ops sdhci_pxa_ops = { -+static const struct sdhci_ops sdhci_pxa_ops = { - .set_clock = set_clock, - }; - -diff -urNp linux-2.6.39.3/drivers/mmc/host/sdhci-s3c.c linux-2.6.39.3/drivers/mmc/host/sdhci-s3c.c ---- linux-2.6.39.3/drivers/mmc/host/sdhci-s3c.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/mmc/host/sdhci-s3c.c 2011-05-22 19:36:31.000000000 -0400 -@@ -309,7 +309,7 @@ static int sdhci_s3c_platform_8bit_width - return 0; - } - --static struct sdhci_ops sdhci_s3c_ops = { -+static const struct sdhci_ops sdhci_s3c_ops = { - .get_max_clock = sdhci_s3c_get_max_clk, - .set_clock = sdhci_s3c_set_clock, - .get_min_clock = sdhci_s3c_get_min_clock, -diff -urNp linux-2.6.39.3/drivers/mmc/host/sdhci-spear.c linux-2.6.39.3/drivers/mmc/host/sdhci-spear.c ---- linux-2.6.39.3/drivers/mmc/host/sdhci-spear.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/mmc/host/sdhci-spear.c 2011-05-22 19:36:31.000000000 -0400 -@@ -32,7 +32,7 @@ struct spear_sdhci { - }; - - /* sdhci ops */ --static struct sdhci_ops sdhci_pltfm_ops = { -+static const struct sdhci_ops sdhci_pltfm_ops = { - /* Nothing to do for now. */ - }; - -diff -urNp linux-2.6.39.3/drivers/mmc/host/sdhci-tegra.c linux-2.6.39.3/drivers/mmc/host/sdhci-tegra.c ---- linux-2.6.39.3/drivers/mmc/host/sdhci-tegra.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/mmc/host/sdhci-tegra.c 2011-05-22 19:36:31.000000000 -0400 -@@ -242,7 +242,7 @@ static void tegra_sdhci_pltfm_exit(struc - clk_put(pltfm_host->clk); - } - --static struct sdhci_ops tegra_sdhci_ops = { -+static const struct sdhci_ops tegra_sdhci_ops = { - .get_ro = tegra_sdhci_get_ro, - .read_l = tegra_sdhci_readl, - .read_w = tegra_sdhci_readw, -diff -urNp linux-2.6.39.3/drivers/mmc/host/sdricoh_cs.c linux-2.6.39.3/drivers/mmc/host/sdricoh_cs.c ---- linux-2.6.39.3/drivers/mmc/host/sdricoh_cs.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/mmc/host/sdricoh_cs.c 2011-05-22 19:36:31.000000000 -0400 -@@ -387,7 +387,7 @@ static int sdricoh_get_ro(struct mmc_hos - return (status & STATUS_CARD_LOCKED); - } - --static struct mmc_host_ops sdricoh_ops = { -+static const struct mmc_host_ops sdricoh_ops = { - .request = sdricoh_request, - .set_ios = sdricoh_set_ios, - .get_ro = sdricoh_get_ro, -diff -urNp linux-2.6.39.3/drivers/mmc/host/sh_mmcif.c linux-2.6.39.3/drivers/mmc/host/sh_mmcif.c ---- linux-2.6.39.3/drivers/mmc/host/sh_mmcif.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/mmc/host/sh_mmcif.c 2011-05-22 19:36:31.000000000 -0400 -@@ -872,7 +872,7 @@ static int sh_mmcif_get_cd(struct mmc_ho - return p->get_cd(host->pd); - } - --static struct mmc_host_ops sh_mmcif_ops = { -+static const struct mmc_host_ops sh_mmcif_ops = { - .request = sh_mmcif_request, - .set_ios = sh_mmcif_set_ios, - .get_cd = sh_mmcif_get_cd, -diff -urNp linux-2.6.39.3/drivers/mtd/chips/cfi_cmdset_0001.c linux-2.6.39.3/drivers/mtd/chips/cfi_cmdset_0001.c ---- linux-2.6.39.3/drivers/mtd/chips/cfi_cmdset_0001.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/mtd/chips/cfi_cmdset_0001.c 2011-05-22 19:36:31.000000000 -0400 -@@ -757,6 +757,8 @@ static int chip_ready (struct map_info * - struct cfi_pri_intelext *cfip = cfi->cmdset_priv; - unsigned long timeo = jiffies + HZ; - -+ pax_track_stack(); -+ - /* Prevent setting state FL_SYNCING for chip in suspended state. */ - if (mode == FL_SYNCING && chip->oldstate != FL_READY) - goto sleep; -@@ -1657,6 +1659,8 @@ static int __xipram do_write_buffer(stru - unsigned long initial_adr; - int initial_len = len; - -+ pax_track_stack(); -+ - wbufsize = cfi_interleave(cfi) << cfi->cfiq->MaxBufWriteSize; - adr += chip->start; - initial_adr = adr; -@@ -1875,6 +1879,8 @@ static int __xipram do_erase_oneblock(st - int retries = 3; - int ret; - -+ pax_track_stack(); -+ - adr += chip->start; - - retry: -diff -urNp linux-2.6.39.3/drivers/mtd/chips/cfi_cmdset_0020.c linux-2.6.39.3/drivers/mtd/chips/cfi_cmdset_0020.c ---- linux-2.6.39.3/drivers/mtd/chips/cfi_cmdset_0020.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/mtd/chips/cfi_cmdset_0020.c 2011-05-22 19:36:31.000000000 -0400 -@@ -255,6 +255,8 @@ static inline int do_read_onechip(struct - unsigned long cmd_addr; - struct cfi_private *cfi = map->fldrv_priv; - -+ pax_track_stack(); -+ - adr += chip->start; - - /* Ensure cmd read/writes are aligned. */ -@@ -428,6 +430,8 @@ static inline int do_write_buffer(struct - DECLARE_WAITQUEUE(wait, current); - int wbufsize, z; - -+ pax_track_stack(); -+ - /* M58LW064A requires bus alignment for buffer wriets -- saw */ - if (adr & (map_bankwidth(map)-1)) - return -EINVAL; -@@ -742,6 +746,8 @@ static inline int do_erase_oneblock(stru - DECLARE_WAITQUEUE(wait, current); - int ret = 0; - -+ pax_track_stack(); -+ - adr += chip->start; - - /* Let's determine this according to the interleave only once */ -@@ -1047,6 +1053,8 @@ static inline int do_lock_oneblock(struc - unsigned long timeo = jiffies + HZ; - DECLARE_WAITQUEUE(wait, current); - -+ pax_track_stack(); -+ - adr += chip->start; - - /* Let's determine this according to the interleave only once */ -@@ -1196,6 +1204,8 @@ static inline int do_unlock_oneblock(str - unsigned long timeo = jiffies + HZ; - DECLARE_WAITQUEUE(wait, current); - -+ pax_track_stack(); -+ - adr += chip->start; - - /* Let's determine this according to the interleave only once */ -diff -urNp linux-2.6.39.3/drivers/mtd/devices/doc2000.c linux-2.6.39.3/drivers/mtd/devices/doc2000.c ---- linux-2.6.39.3/drivers/mtd/devices/doc2000.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/mtd/devices/doc2000.c 2011-05-22 19:36:31.000000000 -0400 -@@ -776,7 +776,7 @@ static int doc_write(struct mtd_info *mt - - /* The ECC will not be calculated correctly if less than 512 is written */ - /* DBB- -- if (len != 0x200 && eccbuf) -+ if (len != 0x200) - printk(KERN_WARNING - "ECC needs a full sector write (adr: %lx size %lx)\n", - (long) to, (long) len); -diff -urNp linux-2.6.39.3/drivers/mtd/devices/doc2001.c linux-2.6.39.3/drivers/mtd/devices/doc2001.c ---- linux-2.6.39.3/drivers/mtd/devices/doc2001.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/mtd/devices/doc2001.c 2011-05-22 19:36:31.000000000 -0400 -@@ -393,7 +393,7 @@ static int doc_read (struct mtd_info *mt - struct Nand *mychip = &this->chips[from >> (this->chipshift)]; - - /* Don't allow read past end of device */ -- if (from >= this->totlen) -+ if (from >= this->totlen || !len) - return -EINVAL; - - /* Don't allow a single read to cross a 512-byte block boundary */ -diff -urNp linux-2.6.39.3/drivers/mtd/ftl.c linux-2.6.39.3/drivers/mtd/ftl.c ---- linux-2.6.39.3/drivers/mtd/ftl.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/mtd/ftl.c 2011-05-22 19:36:31.000000000 -0400 -@@ -474,6 +474,8 @@ static int copy_erase_unit(partition_t * - loff_t offset; - uint16_t srcunitswap = cpu_to_le16(srcunit); - -+ pax_track_stack(); -+ - eun = &part->EUNInfo[srcunit]; - xfer = &part->XferInfo[xferunit]; - DEBUG(2, "ftl_cs: copying block 0x%x to 0x%x\n", -diff -urNp linux-2.6.39.3/drivers/mtd/inftlcore.c linux-2.6.39.3/drivers/mtd/inftlcore.c ---- linux-2.6.39.3/drivers/mtd/inftlcore.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/mtd/inftlcore.c 2011-05-22 19:36:31.000000000 -0400 -@@ -259,6 +259,8 @@ static u16 INFTL_foldchain(struct INFTLr - struct inftl_oob oob; - size_t retlen; - -+ pax_track_stack(); -+ - DEBUG(MTD_DEBUG_LEVEL3, "INFTL: INFTL_foldchain(inftl=%p,thisVUC=%d," - "pending=%d)\n", inftl, thisVUC, pendingblock); - -diff -urNp linux-2.6.39.3/drivers/mtd/inftlmount.c linux-2.6.39.3/drivers/mtd/inftlmount.c ---- linux-2.6.39.3/drivers/mtd/inftlmount.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/mtd/inftlmount.c 2011-05-22 19:36:31.000000000 -0400 -@@ -53,6 +53,8 @@ static int find_boot_record(struct INFTL - struct INFTLPartition *ip; - size_t retlen; - -+ pax_track_stack(); -+ - DEBUG(MTD_DEBUG_LEVEL3, "INFTL: find_boot_record(inftl=%p)\n", inftl); - - /* -diff -urNp linux-2.6.39.3/drivers/mtd/lpddr/qinfo_probe.c linux-2.6.39.3/drivers/mtd/lpddr/qinfo_probe.c ---- linux-2.6.39.3/drivers/mtd/lpddr/qinfo_probe.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/mtd/lpddr/qinfo_probe.c 2011-05-22 19:36:31.000000000 -0400 -@@ -106,6 +106,8 @@ static int lpddr_pfow_present(struct map - { - map_word pfow_val[4]; - -+ pax_track_stack(); -+ - /* Check identification string */ - pfow_val[0] = map_read(map, map->pfow_base + PFOW_QUERY_STRING_P); - pfow_val[1] = map_read(map, map->pfow_base + PFOW_QUERY_STRING_F); -diff -urNp linux-2.6.39.3/drivers/mtd/mtdchar.c linux-2.6.39.3/drivers/mtd/mtdchar.c ---- linux-2.6.39.3/drivers/mtd/mtdchar.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/mtd/mtdchar.c 2011-05-22 19:36:31.000000000 -0400 -@@ -560,6 +560,8 @@ static int mtd_ioctl(struct file *file, - u_long size; - struct mtd_info_user info; - -+ pax_track_stack(); -+ - DEBUG(MTD_DEBUG_LEVEL0, "MTD_ioctl\n"); - - size = (cmd & IOCSIZE_MASK) >> IOCSIZE_SHIFT; -diff -urNp linux-2.6.39.3/drivers/mtd/nand/denali.c linux-2.6.39.3/drivers/mtd/nand/denali.c ---- linux-2.6.39.3/drivers/mtd/nand/denali.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/mtd/nand/denali.c 2011-05-22 19:36:31.000000000 -0400 -@@ -25,6 +25,7 @@ - #include <linux/pci.h> - #include <linux/mtd/mtd.h> - #include <linux/module.h> -+#include <linux/slab.h> - - #include "denali.h" - -diff -urNp linux-2.6.39.3/drivers/mtd/nftlcore.c linux-2.6.39.3/drivers/mtd/nftlcore.c ---- linux-2.6.39.3/drivers/mtd/nftlcore.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/mtd/nftlcore.c 2011-05-22 19:36:31.000000000 -0400 -@@ -264,6 +264,8 @@ static u16 NFTL_foldchain (struct NFTLre - int inplace = 1; - size_t retlen; - -+ pax_track_stack(); -+ - memset(BlockMap, 0xff, sizeof(BlockMap)); - memset(BlockFreeFound, 0, sizeof(BlockFreeFound)); - -diff -urNp linux-2.6.39.3/drivers/mtd/nftlmount.c linux-2.6.39.3/drivers/mtd/nftlmount.c ---- linux-2.6.39.3/drivers/mtd/nftlmount.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/mtd/nftlmount.c 2011-05-22 19:36:31.000000000 -0400 -@@ -24,6 +24,7 @@ - #include <asm/errno.h> - #include <linux/delay.h> - #include <linux/slab.h> -+#include <linux/sched.h> - #include <linux/mtd/mtd.h> - #include <linux/mtd/nand.h> - #include <linux/mtd/nftl.h> -@@ -45,6 +46,8 @@ static int find_boot_record(struct NFTLr - struct mtd_info *mtd = nftl->mbd.mtd; - unsigned int i; - -+ pax_track_stack(); -+ - /* Assume logical EraseSize == physical erasesize for starting the scan. - We'll sort it out later if we find a MediaHeader which says otherwise */ - /* Actually, we won't. The new DiskOnChip driver has already scanned -diff -urNp linux-2.6.39.3/drivers/mtd/ubi/build.c linux-2.6.39.3/drivers/mtd/ubi/build.c ---- linux-2.6.39.3/drivers/mtd/ubi/build.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/mtd/ubi/build.c 2011-05-22 19:36:31.000000000 -0400 -@@ -1287,7 +1287,7 @@ module_exit(ubi_exit); - static int __init bytes_str_to_int(const char *str) - { - char *endp; -- unsigned long result; -+ unsigned long result, scale = 1; - - result = simple_strtoul(str, &endp, 0); - if (str == endp || result >= INT_MAX) { -@@ -1298,11 +1298,11 @@ static int __init bytes_str_to_int(const - - switch (*endp) { - case 'G': -- result *= 1024; -+ scale *= 1024; - case 'M': -- result *= 1024; -+ scale *= 1024; - case 'K': -- result *= 1024; -+ scale *= 1024; - if (endp[1] == 'i' && endp[2] == 'B') - endp += 2; - case '\0': -@@ -1313,7 +1313,13 @@ static int __init bytes_str_to_int(const - return -EINVAL; - } - -- return result; -+ if ((intoverflow_t)result*scale >= INT_MAX) { -+ printk(KERN_ERR "UBI error: incorrect bytes count: \"%s\"\n", -+ str); -+ return -EINVAL; -+ } -+ -+ return result*scale; - } - - /** -diff -urNp linux-2.6.39.3/drivers/net/bcm63xx_enet.c linux-2.6.39.3/drivers/net/bcm63xx_enet.c ---- linux-2.6.39.3/drivers/net/bcm63xx_enet.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/bcm63xx_enet.c 2011-05-22 19:36:31.000000000 -0400 -@@ -1469,7 +1469,7 @@ static int bcm_enet_set_pauseparam(struc - return 0; - } - --static struct ethtool_ops bcm_enet_ethtool_ops = { -+static const struct ethtool_ops bcm_enet_ethtool_ops = { - .get_strings = bcm_enet_get_strings, - .get_sset_count = bcm_enet_get_sset_count, - .get_ethtool_stats = bcm_enet_get_ethtool_stats, -diff -urNp linux-2.6.39.3/drivers/net/bna/bnad_ethtool.c linux-2.6.39.3/drivers/net/bna/bnad_ethtool.c ---- linux-2.6.39.3/drivers/net/bna/bnad_ethtool.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/bna/bnad_ethtool.c 2011-05-22 19:36:31.000000000 -0400 -@@ -1242,7 +1242,7 @@ bnad_get_sset_count(struct net_device *n - } - } - --static struct ethtool_ops bnad_ethtool_ops = { -+static const struct ethtool_ops bnad_ethtool_ops = { - .get_settings = bnad_get_settings, - .set_settings = bnad_set_settings, - .get_drvinfo = bnad_get_drvinfo, -diff -urNp linux-2.6.39.3/drivers/net/bnx2.c linux-2.6.39.3/drivers/net/bnx2.c ---- linux-2.6.39.3/drivers/net/bnx2.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/bnx2.c 2011-05-22 19:36:31.000000000 -0400 -@@ -5828,6 +5828,8 @@ bnx2_test_nvram(struct bnx2 *bp) - int rc = 0; - u32 magic, csum; - -+ pax_track_stack(); -+ - if ((rc = bnx2_nvram_read(bp, 0, data, 4)) != 0) - goto test_nvram_done; - -diff -urNp linux-2.6.39.3/drivers/net/bnx2x/bnx2x_ethtool.c linux-2.6.39.3/drivers/net/bnx2x/bnx2x_ethtool.c ---- linux-2.6.39.3/drivers/net/bnx2x/bnx2x_ethtool.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/bnx2x/bnx2x_ethtool.c 2011-05-22 19:36:31.000000000 -0400 -@@ -1788,6 +1788,8 @@ static int bnx2x_test_nvram(struct bnx2x - int i, rc; - u32 magic, crc; - -+ pax_track_stack(); -+ - if (BP_NOMCP(bp)) - return 0; - -diff -urNp linux-2.6.39.3/drivers/net/chelsio/pm3393.c linux-2.6.39.3/drivers/net/chelsio/pm3393.c ---- linux-2.6.39.3/drivers/net/chelsio/pm3393.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/chelsio/pm3393.c 2011-05-22 19:36:31.000000000 -0400 -@@ -571,7 +571,7 @@ static void pm3393_destroy(struct cmac * - kfree(cmac); - } - --static struct cmac_ops pm3393_ops = { -+static const struct cmac_ops pm3393_ops = { - .destroy = pm3393_destroy, - .reset = pm3393_reset, - .interrupt_enable = pm3393_interrupt_enable, -diff -urNp linux-2.6.39.3/drivers/net/chelsio/vsc7326.c linux-2.6.39.3/drivers/net/chelsio/vsc7326.c ---- linux-2.6.39.3/drivers/net/chelsio/vsc7326.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/chelsio/vsc7326.c 2011-05-22 19:36:31.000000000 -0400 -@@ -666,7 +666,7 @@ static void mac_destroy(struct cmac *mac - kfree(mac); - } - --static struct cmac_ops vsc7326_ops = { -+static const struct cmac_ops vsc7326_ops = { - .destroy = mac_destroy, - .reset = mac_reset, - .interrupt_handler = mac_intr_handler, -diff -urNp linux-2.6.39.3/drivers/net/cxgb4/cxgb4_main.c linux-2.6.39.3/drivers/net/cxgb4/cxgb4_main.c ---- linux-2.6.39.3/drivers/net/cxgb4/cxgb4_main.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/cxgb4/cxgb4_main.c 2011-05-22 19:36:31.000000000 -0400 -@@ -3428,6 +3428,8 @@ static int __devinit enable_msix(struct - unsigned int nchan = adap->params.nports; - struct msix_entry entries[MAX_INGQ + 1]; - -+ pax_track_stack(); -+ - for (i = 0; i < ARRAY_SIZE(entries); ++i) - entries[i].entry = i; - -diff -urNp linux-2.6.39.3/drivers/net/cxgb4/t4_hw.c linux-2.6.39.3/drivers/net/cxgb4/t4_hw.c ---- linux-2.6.39.3/drivers/net/cxgb4/t4_hw.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/cxgb4/t4_hw.c 2011-05-22 19:36:31.000000000 -0400 -@@ -362,6 +362,8 @@ static int get_vpd_params(struct adapter - u8 vpd[VPD_LEN], csum; - unsigned int vpdr_len, kw_offset, id_len; - -+ pax_track_stack(); -+ - ret = pci_read_vpd(adapter->pdev, VPD_BASE, sizeof(vpd), vpd); - if (ret < 0) - return ret; -diff -urNp linux-2.6.39.3/drivers/net/cxgb4vf/cxgb4vf_main.c linux-2.6.39.3/drivers/net/cxgb4vf/cxgb4vf_main.c ---- linux-2.6.39.3/drivers/net/cxgb4vf/cxgb4vf_main.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/cxgb4vf/cxgb4vf_main.c 2011-05-22 19:36:31.000000000 -0400 -@@ -1572,7 +1572,7 @@ static int cxgb4vf_set_tso(struct net_de - return 0; - } - --static struct ethtool_ops cxgb4vf_ethtool_ops = { -+static const struct ethtool_ops cxgb4vf_ethtool_ops = { - .get_settings = cxgb4vf_get_settings, - .get_drvinfo = cxgb4vf_get_drvinfo, - .get_msglevel = cxgb4vf_get_msglevel, -diff -urNp linux-2.6.39.3/drivers/net/e1000e/82571.c linux-2.6.39.3/drivers/net/e1000e/82571.c ---- linux-2.6.39.3/drivers/net/e1000e/82571.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/e1000e/82571.c 2011-05-22 19:36:31.000000000 -0400 -@@ -239,7 +239,7 @@ static s32 e1000_init_mac_params_82571(s - { - struct e1000_hw *hw = &adapter->hw; - struct e1000_mac_info *mac = &hw->mac; -- struct e1000_mac_operations *func = &mac->ops; -+ struct e1000_mac_operations *func = &mac->ops; /* cannot be const */ - u32 swsm = 0; - u32 swsm2 = 0; - bool force_clear_smbi = false; -@@ -1930,7 +1930,7 @@ static void e1000_clear_hw_cntrs_82571(s - er32(ICRXDMTC); - } - --static struct e1000_mac_operations e82571_mac_ops = { -+static const struct e1000_mac_operations e82571_mac_ops = { - /* .check_mng_mode: mac type dependent */ - /* .check_for_link: media type dependent */ - .id_led_init = e1000e_id_led_init, -@@ -1952,7 +1952,7 @@ static struct e1000_mac_operations e8257 - .read_mac_addr = e1000_read_mac_addr_82571, - }; - --static struct e1000_phy_operations e82_phy_ops_igp = { -+static const struct e1000_phy_operations e82_phy_ops_igp = { - .acquire = e1000_get_hw_semaphore_82571, - .check_polarity = e1000_check_polarity_igp, - .check_reset_block = e1000e_check_reset_block_generic, -@@ -1970,7 +1970,7 @@ static struct e1000_phy_operations e82_p - .cfg_on_link_up = NULL, - }; - --static struct e1000_phy_operations e82_phy_ops_m88 = { -+static const struct e1000_phy_operations e82_phy_ops_m88 = { - .acquire = e1000_get_hw_semaphore_82571, - .check_polarity = e1000_check_polarity_m88, - .check_reset_block = e1000e_check_reset_block_generic, -@@ -1988,7 +1988,7 @@ static struct e1000_phy_operations e82_p - .cfg_on_link_up = NULL, - }; - --static struct e1000_phy_operations e82_phy_ops_bm = { -+static const struct e1000_phy_operations e82_phy_ops_bm = { - .acquire = e1000_get_hw_semaphore_82571, - .check_polarity = e1000_check_polarity_m88, - .check_reset_block = e1000e_check_reset_block_generic, -@@ -2006,7 +2006,7 @@ static struct e1000_phy_operations e82_p - .cfg_on_link_up = NULL, - }; - --static struct e1000_nvm_operations e82571_nvm_ops = { -+static const struct e1000_nvm_operations e82571_nvm_ops = { - .acquire = e1000_acquire_nvm_82571, - .read = e1000e_read_nvm_eerd, - .release = e1000_release_nvm_82571, -diff -urNp linux-2.6.39.3/drivers/net/e1000e/e1000.h linux-2.6.39.3/drivers/net/e1000e/e1000.h ---- linux-2.6.39.3/drivers/net/e1000e/e1000.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/e1000e/e1000.h 2011-05-22 19:36:31.000000000 -0400 -@@ -409,9 +409,9 @@ struct e1000_info { - u32 pba; - u32 max_hw_frame_size; - s32 (*get_variants)(struct e1000_adapter *); -- struct e1000_mac_operations *mac_ops; -- struct e1000_phy_operations *phy_ops; -- struct e1000_nvm_operations *nvm_ops; -+ const struct e1000_mac_operations *mac_ops; -+ const struct e1000_phy_operations *phy_ops; -+ const struct e1000_nvm_operations *nvm_ops; - }; - - /* hardware capability, feature, and workaround flags */ -diff -urNp linux-2.6.39.3/drivers/net/e1000e/es2lan.c linux-2.6.39.3/drivers/net/e1000e/es2lan.c ---- linux-2.6.39.3/drivers/net/e1000e/es2lan.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/e1000e/es2lan.c 2011-05-22 19:36:31.000000000 -0400 -@@ -205,7 +205,7 @@ static s32 e1000_init_mac_params_80003es - { - struct e1000_hw *hw = &adapter->hw; - struct e1000_mac_info *mac = &hw->mac; -- struct e1000_mac_operations *func = &mac->ops; -+ struct e1000_mac_operations *func = &mac->ops; /* cannot be const */ - - /* Set media type */ - switch (adapter->pdev->device) { -@@ -1431,7 +1431,7 @@ static void e1000_clear_hw_cntrs_80003es - er32(ICRXDMTC); - } - --static struct e1000_mac_operations es2_mac_ops = { -+static const struct e1000_mac_operations es2_mac_ops = { - .read_mac_addr = e1000_read_mac_addr_80003es2lan, - .id_led_init = e1000e_id_led_init, - .check_mng_mode = e1000e_check_mng_mode_generic, -@@ -1453,7 +1453,7 @@ static struct e1000_mac_operations es2_m - .setup_led = e1000e_setup_led_generic, - }; - --static struct e1000_phy_operations es2_phy_ops = { -+static const struct e1000_phy_operations es2_phy_ops = { - .acquire = e1000_acquire_phy_80003es2lan, - .check_polarity = e1000_check_polarity_m88, - .check_reset_block = e1000e_check_reset_block_generic, -@@ -1471,7 +1471,7 @@ static struct e1000_phy_operations es2_p - .cfg_on_link_up = e1000_cfg_on_link_up_80003es2lan, - }; - --static struct e1000_nvm_operations es2_nvm_ops = { -+static const struct e1000_nvm_operations es2_nvm_ops = { - .acquire = e1000_acquire_nvm_80003es2lan, - .read = e1000e_read_nvm_eerd, - .release = e1000_release_nvm_80003es2lan, -diff -urNp linux-2.6.39.3/drivers/net/e1000e/hw.h linux-2.6.39.3/drivers/net/e1000e/hw.h ---- linux-2.6.39.3/drivers/net/e1000e/hw.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/e1000e/hw.h 2011-05-22 19:36:31.000000000 -0400 -@@ -811,6 +811,7 @@ struct e1000_nvm_operations { - }; - - struct e1000_mac_info { -+ /* cannot be const see e1000_init_mac_params_ich8lan */ - struct e1000_mac_operations ops; - u8 addr[ETH_ALEN]; - u8 perm_addr[ETH_ALEN]; -@@ -852,6 +853,7 @@ struct e1000_mac_info { - }; - - struct e1000_phy_info { -+ /* Cannot be const see e1000_init_phy_params_82571() */ - struct e1000_phy_operations ops; - - enum e1000_phy_type type; -@@ -886,6 +888,7 @@ struct e1000_phy_info { - }; - - struct e1000_nvm_info { -+ /* cannot be const */ - struct e1000_nvm_operations ops; - - enum e1000_nvm_type type; -diff -urNp linux-2.6.39.3/drivers/net/e1000e/ich8lan.c linux-2.6.39.3/drivers/net/e1000e/ich8lan.c ---- linux-2.6.39.3/drivers/net/e1000e/ich8lan.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/e1000e/ich8lan.c 2011-05-22 19:36:31.000000000 -0400 -@@ -3866,7 +3866,7 @@ static void e1000_clear_hw_cntrs_ich8lan - } - } - --static struct e1000_mac_operations ich8_mac_ops = { -+static const struct e1000_mac_operations ich8_mac_ops = { - .id_led_init = e1000e_id_led_init, - /* check_mng_mode dependent on mac type */ - .check_for_link = e1000_check_for_copper_link_ich8lan, -@@ -3885,7 +3885,7 @@ static struct e1000_mac_operations ich8_ - /* id_led_init dependent on mac type */ - }; - --static struct e1000_phy_operations ich8_phy_ops = { -+static const struct e1000_phy_operations ich8_phy_ops = { - .acquire = e1000_acquire_swflag_ich8lan, - .check_reset_block = e1000_check_reset_block_ich8lan, - .commit = NULL, -@@ -3899,7 +3899,7 @@ static struct e1000_phy_operations ich8_ - .write_reg = e1000e_write_phy_reg_igp, - }; - --static struct e1000_nvm_operations ich8_nvm_ops = { -+static const struct e1000_nvm_operations ich8_nvm_ops = { - .acquire = e1000_acquire_nvm_ich8lan, - .read = e1000_read_nvm_ich8lan, - .release = e1000_release_nvm_ich8lan, -diff -urNp linux-2.6.39.3/drivers/net/greth.c linux-2.6.39.3/drivers/net/greth.c ---- linux-2.6.39.3/drivers/net/greth.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/greth.c 2011-05-22 19:36:31.000000000 -0400 -@@ -1192,7 +1192,7 @@ static const struct ethtool_ops greth_et - .get_link = ethtool_op_get_link, - }; - --static struct net_device_ops greth_netdev_ops = { -+static const struct net_device_ops greth_netdev_ops = { - .ndo_open = greth_open, - .ndo_stop = greth_close, - .ndo_start_xmit = greth_start_xmit, -diff -urNp linux-2.6.39.3/drivers/net/hamradio/6pack.c linux-2.6.39.3/drivers/net/hamradio/6pack.c ---- linux-2.6.39.3/drivers/net/hamradio/6pack.c 2011-07-09 09:18:51.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/hamradio/6pack.c 2011-07-09 09:19:18.000000000 -0400 -@@ -463,6 +463,8 @@ static void sixpack_receive_buf(struct t - unsigned char buf[512]; - int count1; - -+ pax_track_stack(); -+ - if (!count) - return; - -diff -urNp linux-2.6.39.3/drivers/net/ibm_newemac/phy.c linux-2.6.39.3/drivers/net/ibm_newemac/phy.c ---- linux-2.6.39.3/drivers/net/ibm_newemac/phy.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/ibm_newemac/phy.c 2011-05-22 19:36:31.000000000 -0400 -@@ -273,7 +273,7 @@ static int genmii_read_link(struct mii_p - } - - /* Generic implementation for most 10/100/1000 PHYs */ --static struct mii_phy_ops generic_phy_ops = { -+static const struct mii_phy_ops generic_phy_ops = { - .setup_aneg = genmii_setup_aneg, - .setup_forced = genmii_setup_forced, - .poll_link = genmii_poll_link, -@@ -337,7 +337,7 @@ static int cis8201_init(struct mii_phy * - return 0; - } - --static struct mii_phy_ops cis8201_phy_ops = { -+static const struct mii_phy_ops cis8201_phy_ops = { - .init = cis8201_init, - .setup_aneg = genmii_setup_aneg, - .setup_forced = genmii_setup_forced, -@@ -417,7 +417,7 @@ static int et1011c_init(struct mii_phy * - return 0; - } - --static struct mii_phy_ops et1011c_phy_ops = { -+static const struct mii_phy_ops et1011c_phy_ops = { - .init = et1011c_init, - .setup_aneg = genmii_setup_aneg, - .setup_forced = genmii_setup_forced, -@@ -436,7 +436,7 @@ static struct mii_phy_def et1011c_phy_de - - - --static struct mii_phy_ops m88e1111_phy_ops = { -+static const struct mii_phy_ops m88e1111_phy_ops = { - .init = m88e1111_init, - .setup_aneg = genmii_setup_aneg, - .setup_forced = genmii_setup_forced, -@@ -452,7 +452,7 @@ static struct mii_phy_def m88e1111_phy_d - .ops = &m88e1111_phy_ops, - }; - --static struct mii_phy_ops m88e1112_phy_ops = { -+static const struct mii_phy_ops m88e1112_phy_ops = { - .init = m88e1112_init, - .setup_aneg = genmii_setup_aneg, - .setup_forced = genmii_setup_forced, -diff -urNp linux-2.6.39.3/drivers/net/ibmveth.c linux-2.6.39.3/drivers/net/ibmveth.c ---- linux-2.6.39.3/drivers/net/ibmveth.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/ibmveth.c 2011-05-22 19:36:31.000000000 -0400 -@@ -1625,7 +1625,7 @@ static struct vio_device_id ibmveth_devi - }; - MODULE_DEVICE_TABLE(vio, ibmveth_device_table); - --static struct dev_pm_ops ibmveth_pm_ops = { -+static const struct dev_pm_ops ibmveth_pm_ops = { - .resume = ibmveth_resume - }; - -diff -urNp linux-2.6.39.3/drivers/net/igb/e1000_82575.c linux-2.6.39.3/drivers/net/igb/e1000_82575.c ---- linux-2.6.39.3/drivers/net/igb/e1000_82575.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/igb/e1000_82575.c 2011-05-22 19:36:31.000000000 -0400 -@@ -2029,7 +2029,7 @@ out: - return ret_val; - } - --static struct e1000_mac_operations e1000_mac_ops_82575 = { -+static const struct e1000_mac_operations e1000_mac_ops_82575 = { - .init_hw = igb_init_hw_82575, - .check_for_link = igb_check_for_link_82575, - .rar_set = igb_rar_set, -@@ -2037,13 +2037,13 @@ static struct e1000_mac_operations e1000 - .get_speed_and_duplex = igb_get_speed_and_duplex_copper, - }; - --static struct e1000_phy_operations e1000_phy_ops_82575 = { -+static const struct e1000_phy_operations e1000_phy_ops_82575 = { - .acquire = igb_acquire_phy_82575, - .get_cfg_done = igb_get_cfg_done_82575, - .release = igb_release_phy_82575, - }; - --static struct e1000_nvm_operations e1000_nvm_ops_82575 = { -+static const struct e1000_nvm_operations e1000_nvm_ops_82575 = { - .acquire = igb_acquire_nvm_82575, - .read = igb_read_nvm_eerd, - .release = igb_release_nvm_82575, -diff -urNp linux-2.6.39.3/drivers/net/igb/e1000_hw.h linux-2.6.39.3/drivers/net/igb/e1000_hw.h ---- linux-2.6.39.3/drivers/net/igb/e1000_hw.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/igb/e1000_hw.h 2011-05-22 19:36:31.000000000 -0400 -@@ -342,14 +342,15 @@ struct e1000_nvm_operations { - - struct e1000_info { - s32 (*get_invariants)(struct e1000_hw *); -- struct e1000_mac_operations *mac_ops; -- struct e1000_phy_operations *phy_ops; -- struct e1000_nvm_operations *nvm_ops; -+ const struct e1000_mac_operations *mac_ops; -+ const struct e1000_phy_operations *phy_ops; -+ const struct e1000_nvm_operations *nvm_ops; - }; - - extern const struct e1000_info e1000_82575_info; - - struct e1000_mac_info { -+ /* cannot be const see igb_get_invariants_82575() */ - struct e1000_mac_operations ops; - - u8 addr[6]; -@@ -388,6 +389,7 @@ struct e1000_mac_info { - }; - - struct e1000_phy_info { -+ /* cannot be const see igb_get_invariants_82575() */ - struct e1000_phy_operations ops; - - enum e1000_phy_type type; -@@ -423,6 +425,7 @@ struct e1000_phy_info { - }; - - struct e1000_nvm_info { -+ /* cannot be const */ - struct e1000_nvm_operations ops; - enum e1000_nvm_type type; - enum e1000_nvm_override override; -diff -urNp linux-2.6.39.3/drivers/net/igbvf/vf.h linux-2.6.39.3/drivers/net/igbvf/vf.h ---- linux-2.6.39.3/drivers/net/igbvf/vf.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/igbvf/vf.h 2011-05-22 19:36:31.000000000 -0400 -@@ -191,6 +191,7 @@ struct e1000_mac_operations { - }; - - struct e1000_mac_info { -+ /* cannot be const see e1000_init_mac_params_vf() */ - struct e1000_mac_operations ops; - u8 addr[6]; - u8 perm_addr[6]; -diff -urNp linux-2.6.39.3/drivers/net/irda/sh_irda.c linux-2.6.39.3/drivers/net/irda/sh_irda.c ---- linux-2.6.39.3/drivers/net/irda/sh_irda.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/irda/sh_irda.c 2011-05-22 19:36:31.000000000 -0400 -@@ -307,7 +307,7 @@ static int xir_fte(struct sh_irda_self * - return 0; - } - --static struct sh_irda_xir_func xir_func = { -+static const struct sh_irda_xir_func xir_func = { - .xir_fre = xir_fre, - .xir_trov = xir_trov, - .xir_9 = xir_9, -@@ -321,7 +321,7 @@ static struct sh_irda_xir_func xir_func - * - * MIR/FIR are not supported now - *=====================================*/ --static struct sh_irda_xir_func mfir_func = { -+static const struct sh_irda_xir_func mfir_func = { - .xir_fre = xir_fre, - .xir_trov = xir_trov, - .xir_9 = xir_9, -@@ -400,7 +400,7 @@ static int sir_fte(struct sh_irda_self * - return 0; - } - --static struct sh_irda_xir_func sir_func = { -+static const struct sh_irda_xir_func sir_func = { - .xir_fre = sir_fre, - .xir_trov = sir_trov, - .xir_9 = sir_tot, -@@ -411,7 +411,7 @@ static struct sh_irda_xir_func sir_func - static void sh_irda_set_mode(struct sh_irda_self *self, enum sh_irda_mode mode) - { - struct device *dev = &self->ndev->dev; -- struct sh_irda_xir_func *func; -+ const struct sh_irda_xir_func *func; - const char *name; - u16 data; - -diff -urNp linux-2.6.39.3/drivers/net/ixgb/ixgb_main.c linux-2.6.39.3/drivers/net/ixgb/ixgb_main.c ---- linux-2.6.39.3/drivers/net/ixgb/ixgb_main.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/ixgb/ixgb_main.c 2011-05-22 19:36:31.000000000 -0400 -@@ -1069,6 +1069,8 @@ ixgb_set_multi(struct net_device *netdev - u32 rctl; - int i; - -+ pax_track_stack(); -+ - /* Check for Promiscuous and All Multicast modes */ - - rctl = IXGB_READ_REG(hw, RCTL); -diff -urNp linux-2.6.39.3/drivers/net/ixgb/ixgb_param.c linux-2.6.39.3/drivers/net/ixgb/ixgb_param.c ---- linux-2.6.39.3/drivers/net/ixgb/ixgb_param.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/ixgb/ixgb_param.c 2011-05-22 19:36:31.000000000 -0400 -@@ -261,6 +261,9 @@ void __devinit - ixgb_check_options(struct ixgb_adapter *adapter) - { - int bd = adapter->bd_number; -+ -+ pax_track_stack(); -+ - if (bd >= IXGB_MAX_NIC) { - pr_notice("Warning: no configuration for board #%i\n", bd); - pr_notice("Using defaults for all values\n"); -diff -urNp linux-2.6.39.3/drivers/net/ixgbe/ixgbe_82599.c linux-2.6.39.3/drivers/net/ixgbe/ixgbe_82599.c ---- linux-2.6.39.3/drivers/net/ixgbe/ixgbe_82599.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/ixgbe/ixgbe_82599.c 2011-05-22 19:36:31.000000000 -0400 -@@ -2099,7 +2099,7 @@ static struct ixgbe_phy_operations phy_o - .check_overtemp = &ixgbe_tn_check_overtemp, - }; - --struct ixgbe_info ixgbe_82599_info = { -+const struct ixgbe_info ixgbe_82599_info = { - .mac = ixgbe_mac_82599EB, - .get_invariants = &ixgbe_get_invariants_82599, - .mac_ops = &mac_ops_82599, -diff -urNp linux-2.6.39.3/drivers/net/ixgbe/ixgbe.h linux-2.6.39.3/drivers/net/ixgbe/ixgbe.h ---- linux-2.6.39.3/drivers/net/ixgbe/ixgbe.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/ixgbe/ixgbe.h 2011-05-22 19:36:31.000000000 -0400 -@@ -493,8 +493,8 @@ enum ixgbe_boards { - }; - - extern struct ixgbe_info ixgbe_82598_info; --extern struct ixgbe_info ixgbe_82599_info; --extern struct ixgbe_info ixgbe_X540_info; -+extern const struct ixgbe_info ixgbe_82599_info; -+extern const struct ixgbe_info ixgbe_X540_info; - #ifdef CONFIG_IXGBE_DCB - extern const struct dcbnl_rtnl_ops dcbnl_ops; - extern int ixgbe_copy_dcb_cfg(struct ixgbe_dcb_config *src_dcb_cfg, -diff -urNp linux-2.6.39.3/drivers/net/ixgbe/ixgbe_x540.c linux-2.6.39.3/drivers/net/ixgbe/ixgbe_x540.c ---- linux-2.6.39.3/drivers/net/ixgbe/ixgbe_x540.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/ixgbe/ixgbe_x540.c 2011-05-22 19:36:31.000000000 -0400 -@@ -727,7 +727,7 @@ static struct ixgbe_phy_operations phy_o - .check_overtemp = &ixgbe_tn_check_overtemp, - }; - --struct ixgbe_info ixgbe_X540_info = { -+const struct ixgbe_info ixgbe_X540_info = { - .mac = ixgbe_mac_X540, - .get_invariants = &ixgbe_get_invariants_X540, - .mac_ops = &mac_ops_X540, -diff -urNp linux-2.6.39.3/drivers/net/ixgbevf/ethtool.c linux-2.6.39.3/drivers/net/ixgbevf/ethtool.c ---- linux-2.6.39.3/drivers/net/ixgbevf/ethtool.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/ixgbevf/ethtool.c 2011-05-22 19:36:31.000000000 -0400 -@@ -709,7 +709,7 @@ static int ixgbevf_nway_reset(struct net - return 0; - } - --static struct ethtool_ops ixgbevf_ethtool_ops = { -+static const struct ethtool_ops ixgbevf_ethtool_ops = { - .get_settings = ixgbevf_get_settings, - .get_drvinfo = ixgbevf_get_drvinfo, - .get_regs_len = ixgbevf_get_regs_len, -diff -urNp linux-2.6.39.3/drivers/net/ixgbevf/ixgbevf.h linux-2.6.39.3/drivers/net/ixgbevf/ixgbevf.h ---- linux-2.6.39.3/drivers/net/ixgbevf/ixgbevf.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/ixgbevf/ixgbevf.h 2011-05-22 19:36:31.000000000 -0400 -@@ -279,7 +279,7 @@ enum ixgbevf_boards { - - extern struct ixgbevf_info ixgbevf_82599_vf_info; - extern struct ixgbevf_info ixgbevf_X540_vf_info; --extern struct ixgbe_mac_operations ixgbevf_mbx_ops; -+extern const struct ixgbe_mac_operations ixgbevf_mbx_ops; - - /* needed by ethtool.c */ - extern char ixgbevf_driver_name[]; -diff -urNp linux-2.6.39.3/drivers/net/ixgbevf/vf.c linux-2.6.39.3/drivers/net/ixgbevf/vf.c ---- linux-2.6.39.3/drivers/net/ixgbevf/vf.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/ixgbevf/vf.c 2011-05-22 19:36:31.000000000 -0400 -@@ -368,7 +368,7 @@ static s32 ixgbevf_check_mac_link_vf(str - return 0; - } - --static struct ixgbe_mac_operations ixgbevf_mac_ops = { -+static const struct ixgbe_mac_operations ixgbevf_mac_ops = { - .init_hw = ixgbevf_init_hw_vf, - .reset_hw = ixgbevf_reset_hw_vf, - .start_hw = ixgbevf_start_hw_vf, -@@ -381,12 +381,12 @@ static struct ixgbe_mac_operations ixgbe - .set_vfta = ixgbevf_set_vfta_vf, - }; - --struct ixgbevf_info ixgbevf_82599_vf_info = { -+const struct ixgbevf_info ixgbevf_82599_vf_info = { - .mac = ixgbe_mac_82599_vf, - .mac_ops = &ixgbevf_mac_ops, - }; - --struct ixgbevf_info ixgbevf_X540_vf_info = { -+const struct ixgbevf_info ixgbevf_X540_vf_info = { - .mac = ixgbe_mac_X540_vf, - .mac_ops = &ixgbevf_mac_ops, - }; -diff -urNp linux-2.6.39.3/drivers/net/ixgbevf/vf.h linux-2.6.39.3/drivers/net/ixgbevf/vf.h ---- linux-2.6.39.3/drivers/net/ixgbevf/vf.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/ixgbevf/vf.h 2011-05-22 19:36:31.000000000 -0400 -@@ -166,7 +166,7 @@ struct ixgbevf_hw_stats { - - struct ixgbevf_info { - enum ixgbe_mac_type mac; -- struct ixgbe_mac_operations *mac_ops; -+ const struct ixgbe_mac_operations *mac_ops; - }; - - #endif /* __IXGBE_VF_H__ */ -diff -urNp linux-2.6.39.3/drivers/net/ksz884x.c linux-2.6.39.3/drivers/net/ksz884x.c ---- linux-2.6.39.3/drivers/net/ksz884x.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/ksz884x.c 2011-05-22 19:36:31.000000000 -0400 -@@ -6536,6 +6536,8 @@ static void netdev_get_ethtool_stats(str - int rc; - u64 counter[TOTAL_PORT_COUNTER_NUM]; - -+ pax_track_stack(); -+ - mutex_lock(&hw_priv->lock); - n = SWITCH_PORT_NUM; - for (i = 0, p = port->first_port; i < port->mib_port_cnt; i++, p++) { -@@ -6637,7 +6639,7 @@ static int netdev_set_rx_csum(struct net - return 0; - } - --static struct ethtool_ops netdev_ethtool_ops = { -+static const struct ethtool_ops netdev_ethtool_ops = { - .get_settings = netdev_get_settings, - .set_settings = netdev_set_settings, - .nway_reset = netdev_nway_reset, -diff -urNp linux-2.6.39.3/drivers/net/mlx4/main.c linux-2.6.39.3/drivers/net/mlx4/main.c ---- linux-2.6.39.3/drivers/net/mlx4/main.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/mlx4/main.c 2011-05-22 19:36:31.000000000 -0400 -@@ -40,6 +40,7 @@ - #include <linux/dma-mapping.h> - #include <linux/slab.h> - #include <linux/io-mapping.h> -+#include <linux/sched.h> - - #include <linux/mlx4/device.h> - #include <linux/mlx4/doorbell.h> -@@ -764,6 +765,8 @@ static int mlx4_init_hca(struct mlx4_dev - u64 icm_size; - int err; - -+ pax_track_stack(); -+ - err = mlx4_QUERY_FW(dev); - if (err) { - if (err == -EACCES) -diff -urNp linux-2.6.39.3/drivers/net/netconsole.c linux-2.6.39.3/drivers/net/netconsole.c ---- linux-2.6.39.3/drivers/net/netconsole.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/netconsole.c 2011-05-22 19:36:31.000000000 -0400 -@@ -634,7 +634,7 @@ static void drop_netconsole_target(struc - config_item_put(&nt->item); - } - --static struct configfs_group_operations netconsole_subsys_group_ops = { -+static const struct configfs_group_operations netconsole_subsys_group_ops = { - .make_item = make_netconsole_target, - .drop_item = drop_netconsole_target, - }; -diff -urNp linux-2.6.39.3/drivers/net/niu.c linux-2.6.39.3/drivers/net/niu.c ---- linux-2.6.39.3/drivers/net/niu.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/niu.c 2011-05-22 19:36:31.000000000 -0400 -@@ -9067,6 +9067,8 @@ static void __devinit niu_try_msix(struc - int i, num_irqs, err; - u8 first_ldg; - -+ pax_track_stack(); -+ - first_ldg = (NIU_NUM_LDG / parent->num_ports) * np->port; - for (i = 0; i < (NIU_NUM_LDG / parent->num_ports); i++) - ldg_num_map[i] = first_ldg + i; -diff -urNp linux-2.6.39.3/drivers/net/pcnet32.c linux-2.6.39.3/drivers/net/pcnet32.c ---- linux-2.6.39.3/drivers/net/pcnet32.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/pcnet32.c 2011-05-22 19:36:31.000000000 -0400 -@@ -82,7 +82,7 @@ static int cards_found; - /* - * VLB I/O addresses - */ --static unsigned int pcnet32_portlist[] __initdata = -+static unsigned int pcnet32_portlist[] __devinitdata = - { 0x300, 0x320, 0x340, 0x360, 0 }; - - static int pcnet32_debug; -@@ -379,7 +379,7 @@ static int pcnet32_wio_check(unsigned lo - return inw(addr + PCNET32_WIO_RAP) == 88; - } - --static struct pcnet32_access pcnet32_wio = { -+static const struct pcnet32_access pcnet32_wio = { - .read_csr = pcnet32_wio_read_csr, - .write_csr = pcnet32_wio_write_csr, - .read_bcr = pcnet32_wio_read_bcr, -@@ -434,7 +434,7 @@ static int pcnet32_dwio_check(unsigned l - return (inl(addr + PCNET32_DWIO_RAP) & 0xffff) == 88; - } - --static struct pcnet32_access pcnet32_dwio = { -+static const struct pcnet32_access pcnet32_dwio = { - .read_csr = pcnet32_dwio_read_csr, - .write_csr = pcnet32_dwio_write_csr, - .read_bcr = pcnet32_dwio_read_bcr, -@@ -1546,7 +1546,7 @@ pcnet32_probe1(unsigned long ioaddr, int - int chip_version; - char *chipname; - struct net_device *dev; -- struct pcnet32_access *a = NULL; -+ const struct pcnet32_access *a = NULL; - u8 promaddr[6]; - int ret = -ENODEV; - -diff -urNp linux-2.6.39.3/drivers/net/ppp_generic.c linux-2.6.39.3/drivers/net/ppp_generic.c ---- linux-2.6.39.3/drivers/net/ppp_generic.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/ppp_generic.c 2011-05-22 19:36:31.000000000 -0400 -@@ -987,7 +987,6 @@ ppp_net_ioctl(struct net_device *dev, st - void __user *addr = (void __user *) ifr->ifr_ifru.ifru_data; - struct ppp_stats stats; - struct ppp_comp_stats cstats; -- char *vers; - - switch (cmd) { - case SIOCGPPPSTATS: -@@ -1009,8 +1008,7 @@ ppp_net_ioctl(struct net_device *dev, st - break; - - case SIOCGPPPVER: -- vers = PPP_VERSION; -- if (copy_to_user(addr, vers, strlen(vers) + 1)) -+ if (copy_to_user(addr, PPP_VERSION, sizeof(PPP_VERSION))) - break; - err = 0; - break; -diff -urNp linux-2.6.39.3/drivers/net/qlcnic/qlcnic.h linux-2.6.39.3/drivers/net/qlcnic/qlcnic.h ---- linux-2.6.39.3/drivers/net/qlcnic/qlcnic.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/qlcnic/qlcnic.h 2011-05-22 19:36:31.000000000 -0400 -@@ -1037,7 +1037,7 @@ struct qlcnic_adapter { - struct vlan_group *vlgrp; - struct qlcnic_npar_info *npars; - struct qlcnic_eswitch *eswitch; -- struct qlcnic_nic_template *nic_ops; -+ const struct qlcnic_nic_template *nic_ops; - - struct qlcnic_adapter_stats stats; - -diff -urNp linux-2.6.39.3/drivers/net/qlcnic/qlcnic_main.c linux-2.6.39.3/drivers/net/qlcnic/qlcnic_main.c ---- linux-2.6.39.3/drivers/net/qlcnic/qlcnic_main.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/qlcnic/qlcnic_main.c 2011-05-22 19:36:31.000000000 -0400 -@@ -340,13 +340,13 @@ static const struct net_device_ops qlcni - #endif - }; - --static struct qlcnic_nic_template qlcnic_ops = { -+static const struct qlcnic_nic_template qlcnic_ops = { - .config_bridged_mode = qlcnic_config_bridged_mode, - .config_led = qlcnic_config_led, - .start_firmware = qlcnic_start_firmware - }; - --static struct qlcnic_nic_template qlcnic_vf_ops = { -+static const struct qlcnic_nic_template qlcnic_vf_ops = { - .config_bridged_mode = qlcnicvf_config_bridged_mode, - .config_led = qlcnicvf_config_led, - .start_firmware = qlcnicvf_start_firmware -diff -urNp linux-2.6.39.3/drivers/net/qlge/qlge.h linux-2.6.39.3/drivers/net/qlge/qlge.h ---- linux-2.6.39.3/drivers/net/qlge/qlge.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/qlge/qlge.h 2011-05-22 19:36:31.000000000 -0400 -@@ -2134,7 +2134,7 @@ struct ql_adapter { - struct delayed_work mpi_idc_work; - struct delayed_work mpi_core_to_log; - struct completion ide_completion; -- struct nic_operations *nic_ops; -+ const struct nic_operations *nic_ops; - u16 device_id; - struct timer_list timer; - atomic_t lb_count; -diff -urNp linux-2.6.39.3/drivers/net/qlge/qlge_main.c linux-2.6.39.3/drivers/net/qlge/qlge_main.c ---- linux-2.6.39.3/drivers/net/qlge/qlge_main.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/qlge/qlge_main.c 2011-05-22 19:36:31.000000000 -0400 -@@ -4412,12 +4412,12 @@ error: - rtnl_unlock(); - } - --static struct nic_operations qla8012_nic_ops = { -+static const struct nic_operations qla8012_nic_ops = { - .get_flash = ql_get_8012_flash_params, - .port_initialize = ql_8012_port_initialize, - }; - --static struct nic_operations qla8000_nic_ops = { -+static const struct nic_operations qla8000_nic_ops = { - .get_flash = ql_get_8000_flash_params, - .port_initialize = ql_8000_port_initialize, - }; -diff -urNp linux-2.6.39.3/drivers/net/sfc/falcon.c linux-2.6.39.3/drivers/net/sfc/falcon.c ---- linux-2.6.39.3/drivers/net/sfc/falcon.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/sfc/falcon.c 2011-05-22 19:36:31.000000000 -0400 -@@ -1703,7 +1703,7 @@ static int falcon_set_wol(struct efx_nic - ************************************************************************** - */ - --struct efx_nic_type falcon_a1_nic_type = { -+const struct efx_nic_type falcon_a1_nic_type = { - .probe = falcon_probe_nic, - .remove = falcon_remove_nic, - .init = falcon_init_nic, -@@ -1744,7 +1744,7 @@ struct efx_nic_type falcon_a1_nic_type = - .reset_world_flags = ETH_RESET_IRQ, - }; - --struct efx_nic_type falcon_b0_nic_type = { -+const struct efx_nic_type falcon_b0_nic_type = { - .probe = falcon_probe_nic, - .remove = falcon_remove_nic, - .init = falcon_init_nic, -diff -urNp linux-2.6.39.3/drivers/net/sfc/mtd.c linux-2.6.39.3/drivers/net/sfc/mtd.c ---- linux-2.6.39.3/drivers/net/sfc/mtd.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/sfc/mtd.c 2011-05-22 19:36:31.000000000 -0400 -@@ -382,7 +382,7 @@ static int falcon_mtd_sync(struct mtd_in - return rc; - } - --static struct efx_mtd_ops falcon_mtd_ops = { -+static const struct efx_mtd_ops falcon_mtd_ops = { - .read = falcon_mtd_read, - .erase = falcon_mtd_erase, - .write = falcon_mtd_write, -@@ -560,7 +560,7 @@ static int siena_mtd_sync(struct mtd_inf - return rc; - } - --static struct efx_mtd_ops siena_mtd_ops = { -+static const struct efx_mtd_ops siena_mtd_ops = { - .read = siena_mtd_read, - .erase = siena_mtd_erase, - .write = siena_mtd_write, -diff -urNp linux-2.6.39.3/drivers/net/sfc/nic.h linux-2.6.39.3/drivers/net/sfc/nic.h ---- linux-2.6.39.3/drivers/net/sfc/nic.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/sfc/nic.h 2011-05-22 19:36:31.000000000 -0400 -@@ -152,9 +152,9 @@ struct siena_nic_data { - int wol_filter_id; - }; - --extern struct efx_nic_type falcon_a1_nic_type; --extern struct efx_nic_type falcon_b0_nic_type; --extern struct efx_nic_type siena_a0_nic_type; -+extern const struct efx_nic_type falcon_a1_nic_type; -+extern const struct efx_nic_type falcon_b0_nic_type; -+extern const struct efx_nic_type siena_a0_nic_type; - - /************************************************************************** - * -diff -urNp linux-2.6.39.3/drivers/net/sfc/siena.c linux-2.6.39.3/drivers/net/sfc/siena.c ---- linux-2.6.39.3/drivers/net/sfc/siena.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/sfc/siena.c 2011-05-22 19:36:31.000000000 -0400 -@@ -599,7 +599,7 @@ static void siena_init_wol(struct efx_ni - ************************************************************************** - */ - --struct efx_nic_type siena_a0_nic_type = { -+const struct efx_nic_type siena_a0_nic_type = { - .probe = siena_probe_nic, - .remove = siena_remove_nic, - .init = siena_init_nic, -diff -urNp linux-2.6.39.3/drivers/net/sh_eth.c linux-2.6.39.3/drivers/net/sh_eth.c ---- linux-2.6.39.3/drivers/net/sh_eth.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/sh_eth.c 2011-05-22 19:36:31.000000000 -0400 -@@ -1360,7 +1360,7 @@ static void sh_eth_get_strings(struct ne - } - } - --static struct ethtool_ops sh_eth_ethtool_ops = { -+static const struct ethtool_ops sh_eth_ethtool_ops = { - .get_settings = sh_eth_get_settings, - .set_settings = sh_eth_set_settings, - .nway_reset = sh_eth_nway_reset, -diff -urNp linux-2.6.39.3/drivers/net/stmmac/stmmac_ethtool.c linux-2.6.39.3/drivers/net/stmmac/stmmac_ethtool.c ---- linux-2.6.39.3/drivers/net/stmmac/stmmac_ethtool.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/stmmac/stmmac_ethtool.c 2011-05-22 19:36:31.000000000 -0400 -@@ -348,7 +348,7 @@ static int stmmac_set_wol(struct net_dev - return 0; - } - --static struct ethtool_ops stmmac_ethtool_ops = { -+static const struct ethtool_ops stmmac_ethtool_ops = { - .begin = stmmac_check_if_running, - .get_drvinfo = stmmac_ethtool_getdrvinfo, - .get_settings = stmmac_ethtool_getsettings, -diff -urNp linux-2.6.39.3/drivers/net/sungem_phy.c linux-2.6.39.3/drivers/net/sungem_phy.c ---- linux-2.6.39.3/drivers/net/sungem_phy.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/sungem_phy.c 2011-05-22 19:36:31.000000000 -0400 -@@ -886,7 +886,7 @@ static int marvell_read_link(struct mii_ - SUPPORTED_1000baseT_Half | SUPPORTED_1000baseT_Full) - - /* Broadcom BCM 5201 */ --static struct mii_phy_ops bcm5201_phy_ops = { -+static const struct mii_phy_ops bcm5201_phy_ops = { - .init = bcm5201_init, - .suspend = bcm5201_suspend, - .setup_aneg = genmii_setup_aneg, -@@ -905,7 +905,7 @@ static struct mii_phy_def bcm5201_phy_de - }; - - /* Broadcom BCM 5221 */ --static struct mii_phy_ops bcm5221_phy_ops = { -+static const struct mii_phy_ops bcm5221_phy_ops = { - .suspend = bcm5221_suspend, - .init = bcm5221_init, - .setup_aneg = genmii_setup_aneg, -@@ -924,7 +924,7 @@ static struct mii_phy_def bcm5221_phy_de - }; - - /* Broadcom BCM 5241 */ --static struct mii_phy_ops bcm5241_phy_ops = { -+static const struct mii_phy_ops bcm5241_phy_ops = { - .suspend = bcm5241_suspend, - .init = bcm5241_init, - .setup_aneg = genmii_setup_aneg, -@@ -942,7 +942,7 @@ static struct mii_phy_def bcm5241_phy_de - }; - - /* Broadcom BCM 5400 */ --static struct mii_phy_ops bcm5400_phy_ops = { -+static const struct mii_phy_ops bcm5400_phy_ops = { - .init = bcm5400_init, - .suspend = bcm5400_suspend, - .setup_aneg = bcm54xx_setup_aneg, -@@ -961,7 +961,7 @@ static struct mii_phy_def bcm5400_phy_de - }; - - /* Broadcom BCM 5401 */ --static struct mii_phy_ops bcm5401_phy_ops = { -+static const struct mii_phy_ops bcm5401_phy_ops = { - .init = bcm5401_init, - .suspend = bcm5401_suspend, - .setup_aneg = bcm54xx_setup_aneg, -@@ -980,7 +980,7 @@ static struct mii_phy_def bcm5401_phy_de - }; - - /* Broadcom BCM 5411 */ --static struct mii_phy_ops bcm5411_phy_ops = { -+static const struct mii_phy_ops bcm5411_phy_ops = { - .init = bcm5411_init, - .suspend = generic_suspend, - .setup_aneg = bcm54xx_setup_aneg, -@@ -999,7 +999,7 @@ static struct mii_phy_def bcm5411_phy_de - }; - - /* Broadcom BCM 5421 */ --static struct mii_phy_ops bcm5421_phy_ops = { -+static const struct mii_phy_ops bcm5421_phy_ops = { - .init = bcm5421_init, - .suspend = generic_suspend, - .setup_aneg = bcm54xx_setup_aneg, -@@ -1019,7 +1019,7 @@ static struct mii_phy_def bcm5421_phy_de - }; - - /* Broadcom BCM 5421 built-in K2 */ --static struct mii_phy_ops bcm5421k2_phy_ops = { -+static const struct mii_phy_ops bcm5421k2_phy_ops = { - .init = bcm5421_init, - .suspend = generic_suspend, - .setup_aneg = bcm54xx_setup_aneg, -@@ -1037,7 +1037,7 @@ static struct mii_phy_def bcm5421k2_phy_ - .ops = &bcm5421k2_phy_ops - }; - --static struct mii_phy_ops bcm5461_phy_ops = { -+static const struct mii_phy_ops bcm5461_phy_ops = { - .init = bcm5421_init, - .suspend = generic_suspend, - .setup_aneg = bcm54xx_setup_aneg, -@@ -1057,7 +1057,7 @@ static struct mii_phy_def bcm5461_phy_de - }; - - /* Broadcom BCM 5462 built-in Vesta */ --static struct mii_phy_ops bcm5462V_phy_ops = { -+static const struct mii_phy_ops bcm5462V_phy_ops = { - .init = bcm5421_init, - .suspend = generic_suspend, - .setup_aneg = bcm54xx_setup_aneg, -@@ -1076,7 +1076,7 @@ static struct mii_phy_def bcm5462V_phy_d - }; - - /* Marvell 88E1101 amd 88E1111 */ --static struct mii_phy_ops marvell88e1101_phy_ops = { -+static const struct mii_phy_ops marvell88e1101_phy_ops = { - .suspend = generic_suspend, - .setup_aneg = marvell_setup_aneg, - .setup_forced = marvell_setup_forced, -@@ -1084,7 +1084,7 @@ static struct mii_phy_ops marvell88e1101 - .read_link = marvell_read_link - }; - --static struct mii_phy_ops marvell88e1111_phy_ops = { -+static const struct mii_phy_ops marvell88e1111_phy_ops = { - .init = marvell88e1111_init, - .suspend = generic_suspend, - .setup_aneg = marvell_setup_aneg, -@@ -1122,7 +1122,7 @@ static struct mii_phy_def marvell88e1111 - }; - - /* Generic implementation for most 10/100 PHYs */ --static struct mii_phy_ops generic_phy_ops = { -+static const struct mii_phy_ops generic_phy_ops = { - .setup_aneg = genmii_setup_aneg, - .setup_forced = genmii_setup_forced, - .poll_link = genmii_poll_link, -diff -urNp linux-2.6.39.3/drivers/net/tg3.h linux-2.6.39.3/drivers/net/tg3.h ---- linux-2.6.39.3/drivers/net/tg3.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/tg3.h 2011-05-22 19:36:31.000000000 -0400 -@@ -131,6 +131,7 @@ - #define CHIPREV_ID_5750_A0 0x4000 - #define CHIPREV_ID_5750_A1 0x4001 - #define CHIPREV_ID_5750_A3 0x4003 -+#define CHIPREV_ID_5750_C1 0x4201 - #define CHIPREV_ID_5750_C2 0x4202 - #define CHIPREV_ID_5752_A0_HW 0x5000 - #define CHIPREV_ID_5752_A0 0x6000 -diff -urNp linux-2.6.39.3/drivers/net/tile/tilepro.c linux-2.6.39.3/drivers/net/tile/tilepro.c ---- linux-2.6.39.3/drivers/net/tile/tilepro.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/tile/tilepro.c 2011-05-22 19:36:31.000000000 -0400 -@@ -2263,7 +2263,7 @@ static int tile_net_get_mac(struct net_d - } - - --static struct net_device_ops tile_net_ops = { -+static const struct net_device_ops tile_net_ops = { - .ndo_open = tile_net_open, - .ndo_stop = tile_net_stop, - .ndo_start_xmit = tile_net_tx, -diff -urNp linux-2.6.39.3/drivers/net/tulip/de2104x.c linux-2.6.39.3/drivers/net/tulip/de2104x.c ---- linux-2.6.39.3/drivers/net/tulip/de2104x.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/tulip/de2104x.c 2011-05-22 19:36:31.000000000 -0400 -@@ -1817,6 +1817,8 @@ static void __devinit de21041_get_srom_i - struct de_srom_info_leaf *il; - void *bufp; - -+ pax_track_stack(); -+ - /* download entire eeprom */ - for (i = 0; i < DE_EEPROM_WORDS; i++) - ((__le16 *)ee_data)[i] = -diff -urNp linux-2.6.39.3/drivers/net/tulip/de4x5.c linux-2.6.39.3/drivers/net/tulip/de4x5.c ---- linux-2.6.39.3/drivers/net/tulip/de4x5.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/tulip/de4x5.c 2011-05-22 19:36:31.000000000 -0400 -@@ -5401,7 +5401,7 @@ de4x5_ioctl(struct net_device *dev, stru - for (i=0; i<ETH_ALEN; i++) { - tmp.addr[i] = dev->dev_addr[i]; - } -- if (copy_to_user(ioc->data, tmp.addr, ioc->len)) return -EFAULT; -+ if (ioc->len > sizeof tmp.addr || copy_to_user(ioc->data, tmp.addr, ioc->len)) return -EFAULT; - break; - - case DE4X5_SET_HWADDR: /* Set the hardware address */ -@@ -5441,7 +5441,7 @@ de4x5_ioctl(struct net_device *dev, stru - spin_lock_irqsave(&lp->lock, flags); - memcpy(&statbuf, &lp->pktStats, ioc->len); - spin_unlock_irqrestore(&lp->lock, flags); -- if (copy_to_user(ioc->data, &statbuf, ioc->len)) -+ if (ioc->len > sizeof statbuf || copy_to_user(ioc->data, &statbuf, ioc->len)) - return -EFAULT; - break; - } -diff -urNp linux-2.6.39.3/drivers/net/usb/asix.c linux-2.6.39.3/drivers/net/usb/asix.c ---- linux-2.6.39.3/drivers/net/usb/asix.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/usb/asix.c 2011-05-22 19:36:31.000000000 -0400 -@@ -1098,7 +1098,7 @@ out: - return ret; - } - --static struct ethtool_ops ax88178_ethtool_ops = { -+static const struct ethtool_ops ax88178_ethtool_ops = { - .get_drvinfo = asix_get_drvinfo, - .get_link = asix_get_link, - .get_msglevel = usbnet_get_msglevel, -diff -urNp linux-2.6.39.3/drivers/net/usb/cdc_ncm.c linux-2.6.39.3/drivers/net/usb/cdc_ncm.c ---- linux-2.6.39.3/drivers/net/usb/cdc_ncm.c 2011-06-25 12:55:22.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/usb/cdc_ncm.c 2011-06-25 13:00:26.000000000 -0400 -@@ -141,7 +141,7 @@ struct cdc_ncm_ctx { - static void cdc_ncm_tx_timeout(unsigned long arg); - static const struct driver_info cdc_ncm_info; - static struct usb_driver cdc_ncm_driver; --static struct ethtool_ops cdc_ncm_ethtool_ops; -+static const struct ethtool_ops cdc_ncm_ethtool_ops; - - static const struct usb_device_id cdc_devs[] = { - { USB_INTERFACE_INFO(USB_CLASS_COMM, -@@ -1258,7 +1258,7 @@ static struct usb_driver cdc_ncm_driver - .supports_autosuspend = 1, - }; - --static struct ethtool_ops cdc_ncm_ethtool_ops = { -+static const struct ethtool_ops cdc_ncm_ethtool_ops = { - .get_drvinfo = cdc_ncm_get_drvinfo, - .get_link = usbnet_get_link, - .get_msglevel = usbnet_get_msglevel, -diff -urNp linux-2.6.39.3/drivers/net/usb/hso.c linux-2.6.39.3/drivers/net/usb/hso.c ---- linux-2.6.39.3/drivers/net/usb/hso.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/usb/hso.c 2011-05-22 19:36:31.000000000 -0400 -@@ -71,7 +71,7 @@ - #include <asm/byteorder.h> - #include <linux/serial_core.h> - #include <linux/serial.h> -- -+#include <asm/local.h> - - #define MOD_AUTHOR "Option Wireless" - #define MOD_DESCRIPTION "USB High Speed Option driver" -@@ -257,7 +257,7 @@ struct hso_serial { - - /* from usb_serial_port */ - struct tty_struct *tty; -- int open_count; -+ local_t open_count; - spinlock_t serial_lock; - - int (*write_data) (struct hso_serial *serial); -@@ -1190,7 +1190,7 @@ static void put_rxbuf_data_and_resubmit_ - struct urb *urb; - - urb = serial->rx_urb[0]; -- if (serial->open_count > 0) { -+ if (local_read(&serial->open_count) > 0) { - count = put_rxbuf_data(urb, serial); - if (count == -1) - return; -@@ -1226,7 +1226,7 @@ static void hso_std_serial_read_bulk_cal - DUMP1(urb->transfer_buffer, urb->actual_length); - - /* Anyone listening? */ -- if (serial->open_count == 0) -+ if (local_read(&serial->open_count) == 0) - return; - - if (status == 0) { -@@ -1311,8 +1311,7 @@ static int hso_serial_open(struct tty_st - spin_unlock_irq(&serial->serial_lock); - - /* check for port already opened, if not set the termios */ -- serial->open_count++; -- if (serial->open_count == 1) { -+ if (local_inc_return(&serial->open_count) == 1) { - serial->rx_state = RX_IDLE; - /* Force default termio settings */ - _hso_serial_set_termios(tty, NULL); -@@ -1324,7 +1323,7 @@ static int hso_serial_open(struct tty_st - result = hso_start_serial_device(serial->parent, GFP_KERNEL); - if (result) { - hso_stop_serial_device(serial->parent); -- serial->open_count--; -+ local_dec(&serial->open_count); - kref_put(&serial->parent->ref, hso_serial_ref_free); - } - } else { -@@ -1361,10 +1360,10 @@ static void hso_serial_close(struct tty_ - - /* reset the rts and dtr */ - /* do the actual close */ -- serial->open_count--; -+ local_dec(&serial->open_count); - -- if (serial->open_count <= 0) { -- serial->open_count = 0; -+ if (local_read(&serial->open_count) <= 0) { -+ local_set(&serial->open_count, 0); - spin_lock_irq(&serial->serial_lock); - if (serial->tty == tty) { - serial->tty->driver_data = NULL; -@@ -1446,7 +1445,7 @@ static void hso_serial_set_termios(struc - - /* the actual setup */ - spin_lock_irqsave(&serial->serial_lock, flags); -- if (serial->open_count) -+ if (local_read(&serial->open_count)) - _hso_serial_set_termios(tty, old); - else - tty->termios = old; -@@ -1905,7 +1904,7 @@ static void intr_callback(struct urb *ur - D1("Pending read interrupt on port %d\n", i); - spin_lock(&serial->serial_lock); - if (serial->rx_state == RX_IDLE && -- serial->open_count > 0) { -+ local_read(&serial->open_count) > 0) { - /* Setup and send a ctrl req read on - * port i */ - if (!serial->rx_urb_filled[0]) { -@@ -3097,7 +3096,7 @@ static int hso_resume(struct usb_interfa - /* Start all serial ports */ - for (i = 0; i < HSO_SERIAL_TTY_MINORS; i++) { - if (serial_table[i] && (serial_table[i]->interface == iface)) { -- if (dev2ser(serial_table[i])->open_count) { -+ if (local_read(&dev2ser(serial_table[i])->open_count)) { - result = - hso_start_serial_device(serial_table[i], GFP_NOIO); - hso_kick_transmit(dev2ser(serial_table[i])); -diff -urNp linux-2.6.39.3/drivers/net/usb/ipheth.c linux-2.6.39.3/drivers/net/usb/ipheth.c ---- linux-2.6.39.3/drivers/net/usb/ipheth.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/usb/ipheth.c 2011-05-22 19:36:31.000000000 -0400 -@@ -421,7 +421,7 @@ static u32 ipheth_ethtool_op_get_link(st - return netif_carrier_ok(dev->net); - } - --static struct ethtool_ops ops = { -+static const struct ethtool_ops ops = { - .get_link = ipheth_ethtool_op_get_link - }; - -diff -urNp linux-2.6.39.3/drivers/net/usb/sierra_net.c linux-2.6.39.3/drivers/net/usb/sierra_net.c ---- linux-2.6.39.3/drivers/net/usb/sierra_net.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/usb/sierra_net.c 2011-05-22 19:36:31.000000000 -0400 -@@ -618,7 +618,7 @@ static u32 sierra_net_get_link(struct ne - return sierra_net_get_private(dev)->link_up && netif_running(net); - } - --static struct ethtool_ops sierra_net_ethtool_ops = { -+static const struct ethtool_ops sierra_net_ethtool_ops = { - .get_drvinfo = sierra_net_get_drvinfo, - .get_link = sierra_net_get_link, - .get_msglevel = usbnet_get_msglevel, -diff -urNp linux-2.6.39.3/drivers/net/vmxnet3/vmxnet3_ethtool.c linux-2.6.39.3/drivers/net/vmxnet3/vmxnet3_ethtool.c ---- linux-2.6.39.3/drivers/net/vmxnet3/vmxnet3_ethtool.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/vmxnet3/vmxnet3_ethtool.c 2011-05-22 19:36:31.000000000 -0400 -@@ -631,8 +631,7 @@ vmxnet3_set_rss_indir(struct net_device - * Return with error code if any of the queue indices - * is out of range - */ -- if (p->ring_index[i] < 0 || -- p->ring_index[i] >= adapter->num_rx_queues) -+ if (p->ring_index[i] >= adapter->num_rx_queues) - return -EINVAL; - } - -diff -urNp linux-2.6.39.3/drivers/net/vxge/vxge-main.c linux-2.6.39.3/drivers/net/vxge/vxge-main.c ---- linux-2.6.39.3/drivers/net/vxge/vxge-main.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/vxge/vxge-main.c 2011-05-22 19:36:31.000000000 -0400 -@@ -97,6 +97,8 @@ static inline void VXGE_COMPLETE_VPATH_T - struct sk_buff *completed[NR_SKB_COMPLETED]; - int more; - -+ pax_track_stack(); -+ - do { - more = 0; - skb_ptr = completed; -@@ -1927,6 +1929,8 @@ static enum vxge_hw_status vxge_rth_conf - u8 mtable[256] = {0}; /* CPU to vpath mapping */ - int index; - -+ pax_track_stack(); -+ - /* - * Filling - * - itable with bucket numbers -diff -urNp linux-2.6.39.3/drivers/net/wan/cycx_x25.c linux-2.6.39.3/drivers/net/wan/cycx_x25.c ---- linux-2.6.39.3/drivers/net/wan/cycx_x25.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/wan/cycx_x25.c 2011-05-22 19:36:31.000000000 -0400 -@@ -1018,6 +1018,8 @@ static void hex_dump(char *msg, unsigned - unsigned char hex[1024], - * phex = hex; - -+ pax_track_stack(); -+ - if (len >= (sizeof(hex) / 2)) - len = (sizeof(hex) / 2) - 1; - -diff -urNp linux-2.6.39.3/drivers/net/wan/lapbether.c linux-2.6.39.3/drivers/net/wan/lapbether.c ---- linux-2.6.39.3/drivers/net/wan/lapbether.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/wan/lapbether.c 2011-05-22 19:36:31.000000000 -0400 -@@ -259,7 +259,7 @@ static int lapbeth_set_mac_address(struc - } - - --static struct lapb_register_struct lapbeth_callbacks = { -+static const struct lapb_register_struct lapbeth_callbacks = { - .connect_confirmation = lapbeth_connected, - .connect_indication = lapbeth_connected, - .disconnect_confirmation = lapbeth_disconnected, -diff -urNp linux-2.6.39.3/drivers/net/wan/x25_asy.c linux-2.6.39.3/drivers/net/wan/x25_asy.c ---- linux-2.6.39.3/drivers/net/wan/x25_asy.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/wan/x25_asy.c 2011-05-22 19:36:31.000000000 -0400 -@@ -434,7 +434,7 @@ static void x25_asy_disconnected(struct - netif_rx(skb); - } - --static struct lapb_register_struct x25_asy_callbacks = { -+static const struct lapb_register_struct x25_asy_callbacks = { - .connect_confirmation = x25_asy_connected, - .connect_indication = x25_asy_connected, - .disconnect_confirmation = x25_asy_disconnected, -diff -urNp linux-2.6.39.3/drivers/net/wimax/i2400m/usb-fw.c linux-2.6.39.3/drivers/net/wimax/i2400m/usb-fw.c ---- linux-2.6.39.3/drivers/net/wimax/i2400m/usb-fw.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/wimax/i2400m/usb-fw.c 2011-05-22 19:36:31.000000000 -0400 -@@ -287,6 +287,8 @@ ssize_t i2400mu_bus_bm_wait_for_ack(stru - int do_autopm = 1; - DECLARE_COMPLETION_ONSTACK(notif_completion); - -+ pax_track_stack(); -+ - d_fnstart(8, dev, "(i2400m %p ack %p size %zu)\n", - i2400m, ack, ack_size); - BUG_ON(_ack == i2400m->bm_ack_buf); -diff -urNp linux-2.6.39.3/drivers/net/wireless/airo.c linux-2.6.39.3/drivers/net/wireless/airo.c ---- linux-2.6.39.3/drivers/net/wireless/airo.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/wireless/airo.c 2011-05-22 19:36:31.000000000 -0400 -@@ -3001,6 +3001,8 @@ static void airo_process_scan_results (s - BSSListElement * loop_net; - BSSListElement * tmp_net; - -+ pax_track_stack(); -+ - /* Blow away current list of scan results */ - list_for_each_entry_safe (loop_net, tmp_net, &ai->network_list, list) { - list_move_tail (&loop_net->list, &ai->network_free_list); -@@ -3792,6 +3794,8 @@ static u16 setup_card(struct airo_info * - WepKeyRid wkr; - int rc; - -+ pax_track_stack(); -+ - memset( &mySsid, 0, sizeof( mySsid ) ); - kfree (ai->flash); - ai->flash = NULL; -@@ -4760,6 +4764,8 @@ static int proc_stats_rid_open( struct i - __le32 *vals = stats.vals; - int len; - -+ pax_track_stack(); -+ - if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL) - return -ENOMEM; - data = file->private_data; -@@ -5483,6 +5489,8 @@ static int proc_BSSList_open( struct ino - /* If doLoseSync is not 1, we won't do a Lose Sync */ - int doLoseSync = -1; - -+ pax_track_stack(); -+ - if ((file->private_data = kzalloc(sizeof(struct proc_data ), GFP_KERNEL)) == NULL) - return -ENOMEM; - data = file->private_data; -@@ -7190,6 +7198,8 @@ static int airo_get_aplist(struct net_de - int i; - int loseSync = capable(CAP_NET_ADMIN) ? 1: -1; - -+ pax_track_stack(); -+ - qual = kmalloc(IW_MAX_AP * sizeof(*qual), GFP_KERNEL); - if (!qual) - return -ENOMEM; -@@ -7750,6 +7760,8 @@ static void airo_read_wireless_stats(str - CapabilityRid cap_rid; - __le32 *vals = stats_rid.vals; - -+ pax_track_stack(); -+ - /* Get stats out of the card */ - clear_bit(JOB_WSTATS, &local->jobs); - if (local->power.event) { -diff -urNp linux-2.6.39.3/drivers/net/wireless/ath/ath5k/debug.c linux-2.6.39.3/drivers/net/wireless/ath/ath5k/debug.c ---- linux-2.6.39.3/drivers/net/wireless/ath/ath5k/debug.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/wireless/ath/ath5k/debug.c 2011-05-22 19:36:31.000000000 -0400 -@@ -204,6 +204,8 @@ static ssize_t read_file_beacon(struct f - unsigned int v; - u64 tsf; - -+ pax_track_stack(); -+ - v = ath5k_hw_reg_read(sc->ah, AR5K_BEACON); - len += snprintf(buf+len, sizeof(buf)-len, - "%-24s0x%08x\tintval: %d\tTIM: 0x%x\n", -@@ -323,6 +325,8 @@ static ssize_t read_file_debug(struct fi - unsigned int len = 0; - unsigned int i; - -+ pax_track_stack(); -+ - len += snprintf(buf+len, sizeof(buf)-len, - "DEBUG LEVEL: 0x%08x\n\n", sc->debug.level); - -@@ -384,6 +388,8 @@ static ssize_t read_file_antenna(struct - unsigned int i; - unsigned int v; - -+ pax_track_stack(); -+ - len += snprintf(buf+len, sizeof(buf)-len, "antenna mode\t%d\n", - sc->ah->ah_ant_mode); - len += snprintf(buf+len, sizeof(buf)-len, "default antenna\t%d\n", -@@ -494,6 +500,8 @@ static ssize_t read_file_misc(struct fil - unsigned int len = 0; - u32 filt = ath5k_hw_get_rx_filter(sc->ah); - -+ pax_track_stack(); -+ - len += snprintf(buf+len, sizeof(buf)-len, "bssid-mask: %pM\n", - sc->bssidmask); - len += snprintf(buf+len, sizeof(buf)-len, "filter-flags: 0x%x ", -@@ -550,6 +558,8 @@ static ssize_t read_file_frameerrors(str - unsigned int len = 0; - int i; - -+ pax_track_stack(); -+ - len += snprintf(buf+len, sizeof(buf)-len, - "RX\n---------------------\n"); - len += snprintf(buf+len, sizeof(buf)-len, "CRC\t%u\t(%u%%)\n", -@@ -667,6 +677,8 @@ static ssize_t read_file_ani(struct file - char buf[700]; - unsigned int len = 0; - -+ pax_track_stack(); -+ - len += snprintf(buf+len, sizeof(buf)-len, - "HW has PHY error counters:\t%s\n", - sc->ah->ah_capabilities.cap_has_phyerr_counters ? -@@ -827,6 +839,8 @@ static ssize_t read_file_queue(struct fi - struct ath5k_buf *bf, *bf0; - int i, n; - -+ pax_track_stack(); -+ - len += snprintf(buf+len, sizeof(buf)-len, - "available txbuffers: %d\n", sc->txbuf_len); - -diff -urNp linux-2.6.39.3/drivers/net/wireless/ath/ath9k/ar9003_calib.c linux-2.6.39.3/drivers/net/wireless/ath/ath9k/ar9003_calib.c ---- linux-2.6.39.3/drivers/net/wireless/ath/ath9k/ar9003_calib.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/wireless/ath/ath9k/ar9003_calib.c 2011-05-22 19:36:31.000000000 -0400 -@@ -734,6 +734,8 @@ static void ar9003_hw_tx_iq_cal(struct a - s32 i, j, ip, im, nmeasurement; - u8 nchains = get_streams(common->tx_chainmask); - -+ pax_track_stack(); -+ - for (ip = 0; ip < MPASS; ip++) { - REG_RMW_FIELD(ah, AR_PHY_TX_IQCAL_CONTROL_1, - AR_PHY_TX_IQCAQL_CONTROL_1_IQCORR_I_Q_COFF_DELPT, -@@ -856,6 +858,8 @@ static void ar9003_hw_tx_iq_cal_post_pro - int i, ip, im, j; - int nmeasurement; - -+ pax_track_stack(); -+ - for (i = 0; i < AR9300_MAX_CHAINS; i++) { - if (ah->txchainmask & (1 << i)) - num_chains++; -diff -urNp linux-2.6.39.3/drivers/net/wireless/ath/ath9k/ar9003_paprd.c linux-2.6.39.3/drivers/net/wireless/ath/ath9k/ar9003_paprd.c ---- linux-2.6.39.3/drivers/net/wireless/ath/ath9k/ar9003_paprd.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/wireless/ath/ath9k/ar9003_paprd.c 2011-05-22 19:36:31.000000000 -0400 -@@ -356,6 +356,8 @@ static bool create_pa_curve(u32 *data_L, - int theta_low_bin = 0; - int i; - -+ pax_track_stack(); -+ - /* disregard any bin that contains <= 16 samples */ - thresh_accum_cnt = 16; - scale_factor = 5; -diff -urNp linux-2.6.39.3/drivers/net/wireless/ath/ath9k/debug.c linux-2.6.39.3/drivers/net/wireless/ath/ath9k/debug.c ---- linux-2.6.39.3/drivers/net/wireless/ath/ath9k/debug.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/wireless/ath/ath9k/debug.c 2011-05-22 19:36:31.000000000 -0400 -@@ -335,6 +335,8 @@ static ssize_t read_file_interrupt(struc - char buf[512]; - unsigned int len = 0; - -+ pax_track_stack(); -+ - if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) { - len += snprintf(buf + len, sizeof(buf) - len, - "%8s: %10u\n", "RXLP", sc->debug.stats.istats.rxlp); -@@ -422,6 +424,8 @@ static ssize_t read_file_wiphy(struct fi - u8 addr[ETH_ALEN]; - u32 tmp; - -+ pax_track_stack(); -+ - len += snprintf(buf + len, sizeof(buf) - len, - "%s (chan=%d center-freq: %d MHz channel-type: %d (%s))\n", - wiphy_name(sc->hw->wiphy), -diff -urNp linux-2.6.39.3/drivers/net/wireless/ath/ath9k/htc_drv_main.c linux-2.6.39.3/drivers/net/wireless/ath/ath9k/htc_drv_main.c ---- linux-2.6.39.3/drivers/net/wireless/ath/ath9k/htc_drv_main.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/wireless/ath/ath9k/htc_drv_main.c 2011-05-22 19:36:31.000000000 -0400 -@@ -737,6 +737,8 @@ static ssize_t read_file_tgt_stats(struc - unsigned int len = 0; - int ret = 0; - -+ pax_track_stack(); -+ - memset(&cmd_rsp, 0, sizeof(cmd_rsp)); - - WMI_CMD(WMI_TGT_STATS_CMDID); -@@ -782,6 +784,8 @@ static ssize_t read_file_xmit(struct fil - char buf[512]; - unsigned int len = 0; - -+ pax_track_stack(); -+ - len += snprintf(buf + len, sizeof(buf) - len, - "%20s : %10u\n", "Buffers queued", - priv->debug.tx_stats.buf_queued); -@@ -831,6 +835,8 @@ static ssize_t read_file_recv(struct fil - char buf[512]; - unsigned int len = 0; - -+ pax_track_stack(); -+ - len += snprintf(buf + len, sizeof(buf) - len, - "%20s : %10u\n", "SKBs allocated", - priv->debug.rx_stats.skb_allocated); -@@ -1816,7 +1822,7 @@ static void ath9k_htc_set_coverage_class - mutex_unlock(&priv->mutex); - } - --struct ieee80211_ops ath9k_htc_ops = { -+const struct ieee80211_ops ath9k_htc_ops = { - .tx = ath9k_htc_tx, - .start = ath9k_htc_start, - .stop = ath9k_htc_stop, -diff -urNp linux-2.6.39.3/drivers/net/wireless/ath/ath9k/htc.h linux-2.6.39.3/drivers/net/wireless/ath/ath9k/htc.h ---- linux-2.6.39.3/drivers/net/wireless/ath/ath9k/htc.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/wireless/ath/ath9k/htc.h 2011-05-22 19:36:31.000000000 -0400 -@@ -42,7 +42,7 @@ - #define TSF_TO_TU(_h, _l) \ - ((((u32)(_h)) << 22) | (((u32)(_l)) >> 10)) - --extern struct ieee80211_ops ath9k_htc_ops; -+extern const struct ieee80211_ops ath9k_htc_ops; - extern int htc_modparam_nohwcrypt; - - enum htc_phymode { -diff -urNp linux-2.6.39.3/drivers/net/wireless/b43/debugfs.c linux-2.6.39.3/drivers/net/wireless/b43/debugfs.c ---- linux-2.6.39.3/drivers/net/wireless/b43/debugfs.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/wireless/b43/debugfs.c 2011-05-22 19:36:31.000000000 -0400 -@@ -43,7 +43,7 @@ static struct dentry *rootdir; - struct b43_debugfs_fops { - ssize_t (*read)(struct b43_wldev *dev, char *buf, size_t bufsize); - int (*write)(struct b43_wldev *dev, const char *buf, size_t count); -- struct file_operations fops; -+ const struct file_operations fops; - /* Offset of struct b43_dfs_file in struct b43_dfsentry */ - size_t file_struct_offset; - }; -diff -urNp linux-2.6.39.3/drivers/net/wireless/b43legacy/debugfs.c linux-2.6.39.3/drivers/net/wireless/b43legacy/debugfs.c ---- linux-2.6.39.3/drivers/net/wireless/b43legacy/debugfs.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/wireless/b43legacy/debugfs.c 2011-05-22 19:36:31.000000000 -0400 -@@ -44,7 +44,7 @@ static struct dentry *rootdir; - struct b43legacy_debugfs_fops { - ssize_t (*read)(struct b43legacy_wldev *dev, char *buf, size_t bufsize); - int (*write)(struct b43legacy_wldev *dev, const char *buf, size_t count); -- struct file_operations fops; -+ const struct file_operations fops; - /* Offset of struct b43legacy_dfs_file in struct b43legacy_dfsentry */ - size_t file_struct_offset; - /* Take wl->irq_lock before calling read/write? */ -diff -urNp linux-2.6.39.3/drivers/net/wireless/ipw2x00/ipw2100.c linux-2.6.39.3/drivers/net/wireless/ipw2x00/ipw2100.c ---- linux-2.6.39.3/drivers/net/wireless/ipw2x00/ipw2100.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/wireless/ipw2x00/ipw2100.c 2011-05-22 19:36:31.000000000 -0400 -@@ -2100,6 +2100,8 @@ static int ipw2100_set_essid(struct ipw2 - int err; - DECLARE_SSID_BUF(ssid); - -+ pax_track_stack(); -+ - IPW_DEBUG_HC("SSID: '%s'\n", print_ssid(ssid, essid, ssid_len)); - - if (ssid_len) -@@ -5449,6 +5451,8 @@ static int ipw2100_set_key(struct ipw210 - struct ipw2100_wep_key *wep_key = (void *)cmd.host_command_parameters; - int err; - -+ pax_track_stack(); -+ - IPW_DEBUG_HC("WEP_KEY_INFO: index = %d, len = %d/%d\n", - idx, keylen, len); - -diff -urNp linux-2.6.39.3/drivers/net/wireless/ipw2x00/libipw_rx.c linux-2.6.39.3/drivers/net/wireless/ipw2x00/libipw_rx.c ---- linux-2.6.39.3/drivers/net/wireless/ipw2x00/libipw_rx.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/wireless/ipw2x00/libipw_rx.c 2011-05-22 19:36:31.000000000 -0400 -@@ -1565,6 +1565,8 @@ static void libipw_process_probe_respons - unsigned long flags; - DECLARE_SSID_BUF(ssid); - -+ pax_track_stack(); -+ - LIBIPW_DEBUG_SCAN("'%s' (%pM" - "): %c%c%c%c %c%c%c%c-%c%c%c%c %c%c%c%c\n", - print_ssid(ssid, info_element->data, info_element->len), -diff -urNp linux-2.6.39.3/drivers/net/wireless/iwlegacy/iwl-3945.c linux-2.6.39.3/drivers/net/wireless/iwlegacy/iwl-3945.c ---- linux-2.6.39.3/drivers/net/wireless/iwlegacy/iwl-3945.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/wireless/iwlegacy/iwl-3945.c 2011-05-22 19:36:31.000000000 -0400 -@@ -2630,7 +2630,7 @@ static int iwl3945_load_bsm(struct iwl_p - return 0; - } - --static struct iwl_hcmd_ops iwl3945_hcmd = { -+static const struct iwl_hcmd_ops iwl3945_hcmd = { - .rxon_assoc = iwl3945_send_rxon_assoc, - .commit_rxon = iwl3945_commit_rxon, - }; -@@ -2675,7 +2675,7 @@ static const struct iwl_legacy_ops iwl39 - .manage_ibss_station = iwl3945_manage_ibss_station, - }; - --static struct iwl_hcmd_utils_ops iwl3945_hcmd_utils = { -+static const struct iwl_hcmd_utils_ops iwl3945_hcmd_utils = { - .get_hcmd_size = iwl3945_get_hcmd_size, - .build_addsta_hcmd = iwl3945_build_addsta_hcmd, - .request_scan = iwl3945_request_scan, -diff -urNp linux-2.6.39.3/drivers/net/wireless/iwlegacy/iwl-4965.c linux-2.6.39.3/drivers/net/wireless/iwlegacy/iwl-4965.c ---- linux-2.6.39.3/drivers/net/wireless/iwlegacy/iwl-4965.c 2011-06-25 12:55:22.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/wireless/iwlegacy/iwl-4965.c 2011-06-25 13:00:26.000000000 -0400 -@@ -1902,7 +1902,7 @@ static void iwl4965_rx_handler_setup(str - priv->rx_handlers[BEACON_NOTIFICATION] = iwl4965_rx_beacon_notif; - } - --static struct iwl_hcmd_ops iwl4965_hcmd = { -+static const struct iwl_hcmd_ops iwl4965_hcmd = { - .rxon_assoc = iwl4965_send_rxon_assoc, - .commit_rxon = iwl4965_commit_rxon, - .set_rxon_chain = iwl4965_set_rxon_chain, -@@ -2054,7 +2054,7 @@ static void iwl4965_config_ap(struct iwl - iwl4965_send_beacon_cmd(priv); - } - --static struct iwl_hcmd_utils_ops iwl4965_hcmd_utils = { -+static const struct iwl_hcmd_utils_ops iwl4965_hcmd_utils = { - .get_hcmd_size = iwl4965_get_hcmd_size, - .build_addsta_hcmd = iwl4965_build_addsta_hcmd, - .request_scan = iwl4965_request_scan, -@@ -2112,7 +2112,7 @@ static const struct iwl_legacy_ops iwl49 - .update_bcast_stations = iwl4965_update_bcast_stations, - }; - --struct ieee80211_ops iwl4965_hw_ops = { -+const struct ieee80211_ops iwl4965_hw_ops = { - .tx = iwl4965_mac_tx, - .start = iwl4965_mac_start, - .stop = iwl4965_mac_stop, -diff -urNp linux-2.6.39.3/drivers/net/wireless/iwlegacy/iwl-4965.h linux-2.6.39.3/drivers/net/wireless/iwlegacy/iwl-4965.h ---- linux-2.6.39.3/drivers/net/wireless/iwlegacy/iwl-4965.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/wireless/iwlegacy/iwl-4965.h 2011-05-22 19:36:32.000000000 -0400 -@@ -70,7 +70,7 @@ extern struct iwl_cfg iwl4965_cfg; - - extern struct iwl_mod_params iwl4965_mod_params; - --extern struct ieee80211_ops iwl4965_hw_ops; -+extern const struct ieee80211_ops iwl4965_hw_ops; - - /* tx queue */ - void iwl4965_free_tfds_in_queue(struct iwl_priv *priv, -diff -urNp linux-2.6.39.3/drivers/net/wireless/iwlegacy/iwl-core.h linux-2.6.39.3/drivers/net/wireless/iwlegacy/iwl-core.h ---- linux-2.6.39.3/drivers/net/wireless/iwlegacy/iwl-core.h 2011-06-25 12:55:22.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/wireless/iwlegacy/iwl-core.h 2011-06-25 13:00:26.000000000 -0400 -@@ -150,7 +150,7 @@ struct iwl_lib_ops { - int (*set_channel_switch)(struct iwl_priv *priv, - struct ieee80211_channel_switch *ch_switch); - /* power management */ -- struct iwl_apm_ops apm_ops; -+ const struct iwl_apm_ops apm_ops; - - /* power */ - int (*send_tx_power) (struct iwl_priv *priv); -@@ -160,12 +160,12 @@ struct iwl_lib_ops { - struct iwl_eeprom_ops eeprom_ops; - - /* temperature */ -- struct iwl_temp_ops temp_ops; -+ const struct iwl_temp_ops temp_ops; - /* check for plcp health */ - bool (*check_plcp_health)(struct iwl_priv *priv, - struct iwl_rx_packet *pkt); - -- struct iwl_debugfs_ops debugfs_ops; -+ const struct iwl_debugfs_ops debugfs_ops; - - }; - -diff -urNp linux-2.6.39.3/drivers/net/wireless/iwlwifi/iwl-6000.c linux-2.6.39.3/drivers/net/wireless/iwlwifi/iwl-6000.c ---- linux-2.6.39.3/drivers/net/wireless/iwlwifi/iwl-6000.c 2011-06-25 12:55:22.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/wireless/iwlwifi/iwl-6000.c 2011-06-25 13:00:26.000000000 -0400 -@@ -420,11 +420,11 @@ static struct iwl_lib_ops iwl6030_lib = - } - }; - --static struct iwl_nic_ops iwl6050_nic_ops = { -+static const struct iwl_nic_ops iwl6050_nic_ops = { - .additional_nic_config = &iwl6050_additional_nic_config, - }; - --static struct iwl_nic_ops iwl6150_nic_ops = { -+static const struct iwl_nic_ops iwl6150_nic_ops = { - .additional_nic_config = &iwl6150_additional_nic_config, - }; - -diff -urNp linux-2.6.39.3/drivers/net/wireless/iwlwifi/iwl-agn.h linux-2.6.39.3/drivers/net/wireless/iwlwifi/iwl-agn.h ---- linux-2.6.39.3/drivers/net/wireless/iwlwifi/iwl-agn.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/wireless/iwlwifi/iwl-agn.h 2011-05-22 19:36:32.000000000 -0400 -@@ -109,9 +109,9 @@ extern struct iwl_cfg iwl230_bg_cfg; - extern struct iwl_cfg iwl230_bgn_cfg; - - extern struct iwl_mod_params iwlagn_mod_params; --extern struct iwl_hcmd_ops iwlagn_hcmd; --extern struct iwl_hcmd_ops iwlagn_bt_hcmd; --extern struct iwl_hcmd_utils_ops iwlagn_hcmd_utils; -+extern const struct iwl_hcmd_ops iwlagn_hcmd; -+extern const struct iwl_hcmd_ops iwlagn_bt_hcmd; -+extern const struct iwl_hcmd_utils_ops iwlagn_hcmd_utils; - - extern struct ieee80211_ops iwlagn_hw_ops; - extern struct ieee80211_ops iwl4965_hw_ops; -diff -urNp linux-2.6.39.3/drivers/net/wireless/iwlwifi/iwl-agn-hcmd.c linux-2.6.39.3/drivers/net/wireless/iwlwifi/iwl-agn-hcmd.c ---- linux-2.6.39.3/drivers/net/wireless/iwlwifi/iwl-agn-hcmd.c 2011-06-25 12:55:22.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/wireless/iwlwifi/iwl-agn-hcmd.c 2011-06-25 13:00:26.000000000 -0400 -@@ -355,7 +355,7 @@ static int iwlagn_set_pan_params(struct - return ret; - } - --struct iwl_hcmd_ops iwlagn_hcmd = { -+const struct iwl_hcmd_ops iwlagn_hcmd = { - .rxon_assoc = iwlagn_send_rxon_assoc, - .commit_rxon = iwlagn_commit_rxon, - .set_rxon_chain = iwlagn_set_rxon_chain, -@@ -364,7 +364,7 @@ struct iwl_hcmd_ops iwlagn_hcmd = { - .set_pan_params = iwlagn_set_pan_params, - }; - --struct iwl_hcmd_ops iwlagn_bt_hcmd = { -+const struct iwl_hcmd_ops iwlagn_bt_hcmd = { - .rxon_assoc = iwlagn_send_rxon_assoc, - .commit_rxon = iwlagn_commit_rxon, - .set_rxon_chain = iwlagn_set_rxon_chain, -@@ -373,7 +373,7 @@ struct iwl_hcmd_ops iwlagn_bt_hcmd = { - .set_pan_params = iwlagn_set_pan_params, - }; - --struct iwl_hcmd_utils_ops iwlagn_hcmd_utils = { -+const struct iwl_hcmd_utils_ops iwlagn_hcmd_utils = { - .get_hcmd_size = iwlagn_get_hcmd_size, - .build_addsta_hcmd = iwlagn_build_addsta_hcmd, - .gain_computation = iwlagn_gain_computation, -diff -urNp linux-2.6.39.3/drivers/net/wireless/iwlwifi/iwl-agn-rs.c linux-2.6.39.3/drivers/net/wireless/iwlwifi/iwl-agn-rs.c ---- linux-2.6.39.3/drivers/net/wireless/iwlwifi/iwl-agn-rs.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/wireless/iwlwifi/iwl-agn-rs.c 2011-05-22 19:36:32.000000000 -0400 -@@ -883,6 +883,8 @@ static void rs_tx_status(void *priv_r, s - struct iwl_station_priv *sta_priv = (void *)sta->drv_priv; - struct iwl_rxon_context *ctx = sta_priv->common.ctx; - -+ pax_track_stack(); -+ - IWL_DEBUG_RATE_LIMIT(priv, "get frame ack response, update rate scale window\n"); - - /* Treat uninitialized rate scaling data same as non-existing. */ -@@ -2894,6 +2896,8 @@ static void rs_fill_link_cmd(struct iwl_ - container_of(lq_sta, struct iwl_station_priv, lq_sta); - struct iwl_link_quality_cmd *lq_cmd = &lq_sta->lq; - -+ pax_track_stack(); -+ - /* Override starting rate (index 0) if needed for debug purposes */ - rs_dbgfs_set_mcs(lq_sta, &new_rate, index); - -diff -urNp linux-2.6.39.3/drivers/net/wireless/iwlwifi/iwl-core.h linux-2.6.39.3/drivers/net/wireless/iwlwifi/iwl-core.h ---- linux-2.6.39.3/drivers/net/wireless/iwlwifi/iwl-core.h 2011-06-25 12:55:22.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/wireless/iwlwifi/iwl-core.h 2011-06-25 13:00:26.000000000 -0400 -@@ -198,28 +198,25 @@ struct iwl_lib_ops { - int (*set_channel_switch)(struct iwl_priv *priv, - struct ieee80211_channel_switch *ch_switch); - /* power management */ -- struct iwl_apm_ops apm_ops; -+ const struct iwl_apm_ops apm_ops; - - /* power */ - int (*send_tx_power) (struct iwl_priv *priv); - void (*update_chain_flags)(struct iwl_priv *priv); - - /* isr */ -- struct iwl_isr_ops isr_ops; -+ const struct iwl_isr_ops isr_ops; - - /* eeprom operations (as defined in iwl-eeprom.h) */ - struct iwl_eeprom_ops eeprom_ops; - - /* temperature */ -- struct iwl_temp_ops temp_ops; -+ const struct iwl_temp_ops temp_ops; - - int (*txfifo_flush)(struct iwl_priv *priv, u16 flush_control); - void (*dev_txfifo_flush)(struct iwl_priv *priv, u16 flush_control); - -- struct iwl_debugfs_ops debugfs_ops; -- -- /* thermal throttling */ -- struct iwl_tt_ops tt_ops; -+ const struct iwl_debugfs_ops debugfs_ops;const struct iwl_tt_ops tt_ops; - }; - - struct iwl_led_ops { -diff -urNp linux-2.6.39.3/drivers/net/wireless/iwlwifi/iwl-debugfs.c linux-2.6.39.3/drivers/net/wireless/iwlwifi/iwl-debugfs.c ---- linux-2.6.39.3/drivers/net/wireless/iwlwifi/iwl-debugfs.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/wireless/iwlwifi/iwl-debugfs.c 2011-05-22 19:36:32.000000000 -0400 -@@ -549,6 +549,8 @@ static ssize_t iwl_dbgfs_status_read(str - int pos = 0; - const size_t bufsz = sizeof(buf); - -+ pax_track_stack(); -+ - pos += scnprintf(buf + pos, bufsz - pos, "STATUS_HCMD_ACTIVE:\t %d\n", - test_bit(STATUS_HCMD_ACTIVE, &priv->status)); - pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INT_ENABLED:\t %d\n", -@@ -681,6 +683,8 @@ static ssize_t iwl_dbgfs_qos_read(struct - char buf[256 * NUM_IWL_RXON_CTX]; - const size_t bufsz = sizeof(buf); - -+ pax_track_stack(); -+ - for_each_context(priv, ctx) { - pos += scnprintf(buf + pos, bufsz - pos, "context %d:\n", - ctx->ctxid); -diff -urNp linux-2.6.39.3/drivers/net/wireless/iwlwifi/iwl-debug.h linux-2.6.39.3/drivers/net/wireless/iwlwifi/iwl-debug.h ---- linux-2.6.39.3/drivers/net/wireless/iwlwifi/iwl-debug.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/wireless/iwlwifi/iwl-debug.h 2011-05-22 19:36:32.000000000 -0400 -@@ -68,8 +68,8 @@ do { - } while (0) - - #else --#define IWL_DEBUG(__priv, level, fmt, args...) --#define IWL_DEBUG_LIMIT(__priv, level, fmt, args...) -+#define IWL_DEBUG(__priv, level, fmt, args...) do {} while (0) -+#define IWL_DEBUG_LIMIT(__priv, level, fmt, args...) do {} while (0) - static inline void iwl_print_hex_dump(struct iwl_priv *priv, int level, - const void *p, u32 len) - {} -diff -urNp linux-2.6.39.3/drivers/net/wireless/iwmc3200wifi/cfg80211.c linux-2.6.39.3/drivers/net/wireless/iwmc3200wifi/cfg80211.c ---- linux-2.6.39.3/drivers/net/wireless/iwmc3200wifi/cfg80211.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/wireless/iwmc3200wifi/cfg80211.c 2011-05-22 19:36:32.000000000 -0400 -@@ -763,7 +763,7 @@ static int iwm_cfg80211_flush_pmksa(stru - } - - --static struct cfg80211_ops iwm_cfg80211_ops = { -+static const struct cfg80211_ops iwm_cfg80211_ops = { - .change_virtual_intf = iwm_cfg80211_change_iface, - .add_key = iwm_cfg80211_add_key, - .get_key = iwm_cfg80211_get_key, -diff -urNp linux-2.6.39.3/drivers/net/wireless/iwmc3200wifi/debugfs.c linux-2.6.39.3/drivers/net/wireless/iwmc3200wifi/debugfs.c ---- linux-2.6.39.3/drivers/net/wireless/iwmc3200wifi/debugfs.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/wireless/iwmc3200wifi/debugfs.c 2011-05-22 19:36:32.000000000 -0400 -@@ -327,6 +327,8 @@ static ssize_t iwm_debugfs_fw_err_read(s - int buf_len = 512; - size_t len = 0; - -+ pax_track_stack(); -+ - if (*ppos != 0) - return 0; - if (count < sizeof(buf)) -diff -urNp linux-2.6.39.3/drivers/net/wireless/libertas/cfg.c linux-2.6.39.3/drivers/net/wireless/libertas/cfg.c ---- linux-2.6.39.3/drivers/net/wireless/libertas/cfg.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/wireless/libertas/cfg.c 2011-05-22 19:36:32.000000000 -0400 -@@ -2003,7 +2003,7 @@ static int lbs_leave_ibss(struct wiphy * - * Initialization - */ - --static struct cfg80211_ops lbs_cfg80211_ops = { -+static const struct cfg80211_ops lbs_cfg80211_ops = { - .set_channel = lbs_cfg_set_channel, - .scan = lbs_cfg_scan, - .connect = lbs_cfg_connect, -diff -urNp linux-2.6.39.3/drivers/net/wireless/libertas/debugfs.c linux-2.6.39.3/drivers/net/wireless/libertas/debugfs.c ---- linux-2.6.39.3/drivers/net/wireless/libertas/debugfs.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/wireless/libertas/debugfs.c 2011-05-22 19:36:32.000000000 -0400 -@@ -702,7 +702,7 @@ out_unlock: - struct lbs_debugfs_files { - const char *name; - int perm; -- struct file_operations fops; -+ const struct file_operations fops; - }; - - static const struct lbs_debugfs_files debugfs_files[] = { -diff -urNp linux-2.6.39.3/drivers/net/wireless/rndis_wlan.c linux-2.6.39.3/drivers/net/wireless/rndis_wlan.c ---- linux-2.6.39.3/drivers/net/wireless/rndis_wlan.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/wireless/rndis_wlan.c 2011-05-22 19:36:32.000000000 -0400 -@@ -1277,7 +1277,7 @@ static int set_rts_threshold(struct usbn - - netdev_dbg(usbdev->net, "%s(): %i\n", __func__, rts_threshold); - -- if (rts_threshold < 0 || rts_threshold > 2347) -+ if (rts_threshold > 2347) - rts_threshold = 2347; - - tmp = cpu_to_le32(rts_threshold); -diff -urNp linux-2.6.39.3/drivers/net/wireless/rtlwifi/pci.c linux-2.6.39.3/drivers/net/wireless/rtlwifi/pci.c ---- linux-2.6.39.3/drivers/net/wireless/rtlwifi/pci.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/wireless/rtlwifi/pci.c 2011-05-22 19:36:32.000000000 -0400 -@@ -1869,7 +1869,7 @@ int rtl_pci_resume(struct pci_dev *pdev) - } - EXPORT_SYMBOL(rtl_pci_resume); - --struct rtl_intf_ops rtl_pci_ops = { -+const struct rtl_intf_ops rtl_pci_ops = { - .adapter_start = rtl_pci_start, - .adapter_stop = rtl_pci_stop, - .adapter_tx = rtl_pci_tx, -diff -urNp linux-2.6.39.3/drivers/net/wireless/rtlwifi/pci.h linux-2.6.39.3/drivers/net/wireless/rtlwifi/pci.h ---- linux-2.6.39.3/drivers/net/wireless/rtlwifi/pci.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/wireless/rtlwifi/pci.h 2011-05-22 19:36:32.000000000 -0400 -@@ -234,7 +234,7 @@ struct rtl_pci_priv { - - int rtl_pci_reset_trx_ring(struct ieee80211_hw *hw); - --extern struct rtl_intf_ops rtl_pci_ops; -+extern const struct rtl_intf_ops rtl_pci_ops; - - int __devinit rtl_pci_probe(struct pci_dev *pdev, - const struct pci_device_id *id); -diff -urNp linux-2.6.39.3/drivers/net/wireless/rtlwifi/rtl8192c/phy_common.c linux-2.6.39.3/drivers/net/wireless/rtlwifi/rtl8192c/phy_common.c ---- linux-2.6.39.3/drivers/net/wireless/rtlwifi/rtl8192c/phy_common.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/wireless/rtlwifi/rtl8192c/phy_common.c 2011-05-22 19:36:32.000000000 -0400 -@@ -827,6 +827,8 @@ static bool _rtl92c_phy_sw_chnl_step_by_ - u8 rfpath; - u8 num_total_rfpath = rtlphy->num_total_rfpath; - -+ pax_track_stack(); -+ - precommoncmdcnt = 0; - _rtl92c_phy_set_sw_chnl_cmdarray(precommoncmd, precommoncmdcnt++, - MAX_PRECMD_CNT, -diff -urNp linux-2.6.39.3/drivers/net/wireless/rtlwifi/rtl8192ce/sw.c linux-2.6.39.3/drivers/net/wireless/rtlwifi/rtl8192ce/sw.c ---- linux-2.6.39.3/drivers/net/wireless/rtlwifi/rtl8192ce/sw.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/wireless/rtlwifi/rtl8192ce/sw.c 2011-05-22 19:36:32.000000000 -0400 -@@ -96,7 +96,7 @@ void rtl92c_deinit_sw_vars(struct ieee80 - } - } - --static struct rtl_hal_ops rtl8192ce_hal_ops = { -+static const struct rtl_hal_ops rtl8192ce_hal_ops = { - .init_sw_vars = rtl92c_init_sw_vars, - .deinit_sw_vars = rtl92c_deinit_sw_vars, - .read_eeprom_info = rtl92ce_read_eeprom_info, -@@ -151,7 +151,7 @@ static struct rtl_mod_params rtl92ce_mod - .sw_crypto = 0, - }; - --static struct rtl_hal_cfg rtl92ce_hal_cfg = { -+static const struct rtl_hal_cfg rtl92ce_hal_cfg = { - .name = "rtl92c_pci", - .fw_name = "rtlwifi/rtl8192cfw.bin", - .ops = &rtl8192ce_hal_ops, -diff -urNp linux-2.6.39.3/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c linux-2.6.39.3/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c ---- linux-2.6.39.3/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/wireless/rtlwifi/rtl8192cu/sw.c 2011-05-22 19:36:32.000000000 -0400 -@@ -77,7 +77,7 @@ static void rtl92cu_deinit_sw_vars(struc - } - } - --static struct rtl_hal_ops rtl8192cu_hal_ops = { -+static const struct rtl_hal_ops rtl8192cu_hal_ops = { - .init_sw_vars = rtl92cu_init_sw_vars, - .deinit_sw_vars = rtl92cu_deinit_sw_vars, - .read_chip_version = rtl92c_read_chip_version, -@@ -147,7 +147,7 @@ static struct rtl_hal_usbint_cfg rtl92cu - .usb_mq_to_hwq = rtl8192cu_mq_to_hwq, - }; - --static struct rtl_hal_cfg rtl92cu_hal_cfg = { -+static const struct rtl_hal_cfg rtl92cu_hal_cfg = { - .name = "rtl92c_usb", - .fw_name = "rtlwifi/rtl8192cufw.bin", - .ops = &rtl8192cu_hal_ops, -diff -urNp linux-2.6.39.3/drivers/net/wireless/rtlwifi/usb.c linux-2.6.39.3/drivers/net/wireless/rtlwifi/usb.c ---- linux-2.6.39.3/drivers/net/wireless/rtlwifi/usb.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/wireless/rtlwifi/usb.c 2011-05-22 19:36:32.000000000 -0400 -@@ -913,7 +913,7 @@ static bool rtl_usb_tx_chk_waitq_insert( - return false; - } - --static struct rtl_intf_ops rtl_usb_ops = { -+static const struct rtl_intf_ops rtl_usb_ops = { - .adapter_start = rtl_usb_start, - .adapter_stop = rtl_usb_stop, - .adapter_tx = rtl_usb_tx, -diff -urNp linux-2.6.39.3/drivers/net/wireless/rtlwifi/wifi.h linux-2.6.39.3/drivers/net/wireless/rtlwifi/wifi.h ---- linux-2.6.39.3/drivers/net/wireless/rtlwifi/wifi.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/wireless/rtlwifi/wifi.h 2011-05-22 19:36:32.000000000 -0400 -@@ -1447,7 +1447,7 @@ struct rtl_hal_cfg { - u8 bar_id; - char *name; - char *fw_name; -- struct rtl_hal_ops *ops; -+ const struct rtl_hal_ops *ops; - struct rtl_mod_params *mod_params; - struct rtl_hal_usbint_cfg *usb_interface_cfg; - -@@ -1533,7 +1533,7 @@ struct rtl_priv { - *intf_ops : for diff interrface usb/pcie - */ - struct rtl_hal_cfg *cfg; -- struct rtl_intf_ops *intf_ops; -+ const struct rtl_intf_ops *intf_ops; - - /*this var will be set by set_bit, - and was used to indicate status of -diff -urNp linux-2.6.39.3/drivers/net/wireless/wl12xx/spi.c linux-2.6.39.3/drivers/net/wireless/wl12xx/spi.c ---- linux-2.6.39.3/drivers/net/wireless/wl12xx/spi.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/wireless/wl12xx/spi.c 2011-05-22 19:36:32.000000000 -0400 -@@ -280,6 +280,8 @@ static void wl1271_spi_raw_write(struct - u32 chunk_len; - int i; - -+ pax_track_stack(); -+ - WARN_ON(len > WL1271_AGGR_BUFFER_SIZE); - - spi_message_init(&m); -diff -urNp linux-2.6.39.3/drivers/net/xen-netback/interface.c linux-2.6.39.3/drivers/net/xen-netback/interface.c ---- linux-2.6.39.3/drivers/net/xen-netback/interface.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/xen-netback/interface.c 2011-05-22 19:36:32.000000000 -0400 -@@ -273,7 +273,7 @@ static void xenvif_get_strings(struct ne - } - } - --static struct ethtool_ops xenvif_ethtool_ops = { -+static const struct ethtool_ops xenvif_ethtool_ops = { - .get_tx_csum = ethtool_op_get_tx_csum, - .set_tx_csum = xenvif_set_tx_csum, - .get_sg = ethtool_op_get_sg, -diff -urNp linux-2.6.39.3/drivers/net/xilinx_emaclite.c linux-2.6.39.3/drivers/net/xilinx_emaclite.c ---- linux-2.6.39.3/drivers/net/xilinx_emaclite.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/net/xilinx_emaclite.c 2011-05-22 19:36:32.000000000 -0400 -@@ -1085,7 +1085,7 @@ static bool get_bool(struct platform_dev - } - } - --static struct net_device_ops xemaclite_netdev_ops; -+static const struct net_device_ops xemaclite_netdev_ops; - - /** - * xemaclite_of_probe - Probe method for the Emaclite device. -@@ -1264,7 +1264,7 @@ xemaclite_poll_controller(struct net_dev - } - #endif - --static struct net_device_ops xemaclite_netdev_ops = { -+static const struct net_device_ops xemaclite_netdev_ops = { - .ndo_open = xemaclite_open, - .ndo_stop = xemaclite_close, - .ndo_start_xmit = xemaclite_send, -diff -urNp linux-2.6.39.3/drivers/nfc/pn544.c linux-2.6.39.3/drivers/nfc/pn544.c ---- linux-2.6.39.3/drivers/nfc/pn544.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/nfc/pn544.c 2011-05-22 19:36:32.000000000 -0400 -@@ -89,7 +89,7 @@ static ssize_t pn544_test(struct device - - static int pn544_enable(struct pn544_info *info, int mode) - { -- struct pn544_nfc_platform_data *pdata; -+ const struct pn544_nfc_platform_data *pdata; - struct i2c_client *client = info->i2c_dev; - - int r; -@@ -118,7 +118,7 @@ static int pn544_enable(struct pn544_inf - - static void pn544_disable(struct pn544_info *info) - { -- struct pn544_nfc_platform_data *pdata; -+ const struct pn544_nfc_platform_data *pdata; - struct i2c_client *client = info->i2c_dev; - - pdata = client->dev.platform_data; -@@ -509,7 +509,7 @@ static long pn544_ioctl(struct file *fil - struct pn544_info *info = container_of(file->private_data, - struct pn544_info, miscdev); - struct i2c_client *client = info->i2c_dev; -- struct pn544_nfc_platform_data *pdata; -+ const struct pn544_nfc_platform_data *pdata; - unsigned int val; - int r = 0; - -@@ -715,7 +715,7 @@ static int __devinit pn544_probe(struct - const struct i2c_device_id *id) - { - struct pn544_info *info; -- struct pn544_nfc_platform_data *pdata; -+ const struct pn544_nfc_platform_data *pdata; - int r = 0; - - dev_dbg(&client->dev, "%s\n", __func__); -diff -urNp linux-2.6.39.3/drivers/of/pdt.c linux-2.6.39.3/drivers/of/pdt.c ---- linux-2.6.39.3/drivers/of/pdt.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/of/pdt.c 2011-05-22 19:36:32.000000000 -0400 -@@ -24,7 +24,7 @@ - #include <linux/of_pdt.h> - #include <asm/prom.h> - --static struct of_pdt_ops *of_pdt_prom_ops __initdata; -+static const struct of_pdt_ops *of_pdt_prom_ops; - - void __initdata (*of_pdt_build_more)(struct device_node *dp, - struct device_node ***nextp); -diff -urNp linux-2.6.39.3/drivers/oprofile/buffer_sync.c linux-2.6.39.3/drivers/oprofile/buffer_sync.c ---- linux-2.6.39.3/drivers/oprofile/buffer_sync.c 2011-06-25 12:55:22.000000000 -0400 -+++ linux-2.6.39.3/drivers/oprofile/buffer_sync.c 2011-06-25 13:00:26.000000000 -0400 -@@ -343,7 +343,7 @@ static void add_data(struct op_entry *en - if (cookie == NO_COOKIE) - offset = pc; - if (cookie == INVALID_COOKIE) { -- atomic_inc(&oprofile_stats.sample_lost_no_mapping); -+ atomic_inc_unchecked(&oprofile_stats.sample_lost_no_mapping); - offset = pc; - } - if (cookie != last_cookie) { -@@ -387,14 +387,14 @@ add_sample(struct mm_struct *mm, struct - /* add userspace sample */ - - if (!mm) { -- atomic_inc(&oprofile_stats.sample_lost_no_mm); -+ atomic_inc_unchecked(&oprofile_stats.sample_lost_no_mm); - return 0; - } - - cookie = lookup_dcookie(mm, s->eip, &offset); - - if (cookie == INVALID_COOKIE) { -- atomic_inc(&oprofile_stats.sample_lost_no_mapping); -+ atomic_inc_unchecked(&oprofile_stats.sample_lost_no_mapping); - return 0; - } - -@@ -563,7 +563,7 @@ void sync_buffer(int cpu) - /* ignore backtraces if failed to add a sample */ - if (state == sb_bt_start) { - state = sb_bt_ignore; -- atomic_inc(&oprofile_stats.bt_lost_no_mapping); -+ atomic_inc_unchecked(&oprofile_stats.bt_lost_no_mapping); - } - } - release_mm(mm); -diff -urNp linux-2.6.39.3/drivers/oprofile/event_buffer.c linux-2.6.39.3/drivers/oprofile/event_buffer.c ---- linux-2.6.39.3/drivers/oprofile/event_buffer.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/oprofile/event_buffer.c 2011-05-22 19:36:32.000000000 -0400 -@@ -53,7 +53,7 @@ void add_event_entry(unsigned long value - } - - if (buffer_pos == buffer_size) { -- atomic_inc(&oprofile_stats.event_lost_overflow); -+ atomic_inc_unchecked(&oprofile_stats.event_lost_overflow); - return; - } - -diff -urNp linux-2.6.39.3/drivers/oprofile/oprof.c linux-2.6.39.3/drivers/oprofile/oprof.c ---- linux-2.6.39.3/drivers/oprofile/oprof.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/oprofile/oprof.c 2011-05-22 19:36:32.000000000 -0400 -@@ -110,7 +110,7 @@ static void switch_worker(struct work_st - if (oprofile_ops.switch_events()) - return; - -- atomic_inc(&oprofile_stats.multiplex_counter); -+ atomic_inc_unchecked(&oprofile_stats.multiplex_counter); - start_switch_worker(); - } - -diff -urNp linux-2.6.39.3/drivers/oprofile/oprofilefs.c linux-2.6.39.3/drivers/oprofile/oprofilefs.c ---- linux-2.6.39.3/drivers/oprofile/oprofilefs.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/oprofile/oprofilefs.c 2011-05-22 19:36:32.000000000 -0400 -@@ -186,7 +186,7 @@ static const struct file_operations atom - - - int oprofilefs_create_ro_atomic(struct super_block *sb, struct dentry *root, -- char const *name, atomic_t *val) -+ char const *name, atomic_unchecked_t *val) - { - return __oprofilefs_create_file(sb, root, name, - &atomic_ro_fops, 0444, val); -diff -urNp linux-2.6.39.3/drivers/oprofile/oprofile_stats.c linux-2.6.39.3/drivers/oprofile/oprofile_stats.c ---- linux-2.6.39.3/drivers/oprofile/oprofile_stats.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/oprofile/oprofile_stats.c 2011-05-22 19:36:32.000000000 -0400 -@@ -30,11 +30,11 @@ void oprofile_reset_stats(void) - cpu_buf->sample_invalid_eip = 0; - } - -- atomic_set(&oprofile_stats.sample_lost_no_mm, 0); -- atomic_set(&oprofile_stats.sample_lost_no_mapping, 0); -- atomic_set(&oprofile_stats.event_lost_overflow, 0); -- atomic_set(&oprofile_stats.bt_lost_no_mapping, 0); -- atomic_set(&oprofile_stats.multiplex_counter, 0); -+ atomic_set_unchecked(&oprofile_stats.sample_lost_no_mm, 0); -+ atomic_set_unchecked(&oprofile_stats.sample_lost_no_mapping, 0); -+ atomic_set_unchecked(&oprofile_stats.event_lost_overflow, 0); -+ atomic_set_unchecked(&oprofile_stats.bt_lost_no_mapping, 0); -+ atomic_set_unchecked(&oprofile_stats.multiplex_counter, 0); - } - - -diff -urNp linux-2.6.39.3/drivers/oprofile/oprofile_stats.h linux-2.6.39.3/drivers/oprofile/oprofile_stats.h ---- linux-2.6.39.3/drivers/oprofile/oprofile_stats.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/oprofile/oprofile_stats.h 2011-05-22 19:36:32.000000000 -0400 -@@ -13,11 +13,11 @@ - #include <asm/atomic.h> - - struct oprofile_stat_struct { -- atomic_t sample_lost_no_mm; -- atomic_t sample_lost_no_mapping; -- atomic_t bt_lost_no_mapping; -- atomic_t event_lost_overflow; -- atomic_t multiplex_counter; -+ atomic_unchecked_t sample_lost_no_mm; -+ atomic_unchecked_t sample_lost_no_mapping; -+ atomic_unchecked_t bt_lost_no_mapping; -+ atomic_unchecked_t event_lost_overflow; -+ atomic_unchecked_t multiplex_counter; - }; - - extern struct oprofile_stat_struct oprofile_stats; -diff -urNp linux-2.6.39.3/drivers/parisc/dino.c linux-2.6.39.3/drivers/parisc/dino.c ---- linux-2.6.39.3/drivers/parisc/dino.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/parisc/dino.c 2011-05-22 19:36:32.000000000 -0400 -@@ -238,7 +238,7 @@ static int dino_cfg_write(struct pci_bus - return 0; - } - --static struct pci_ops dino_cfg_ops = { -+static const struct pci_ops dino_cfg_ops = { - .read = dino_cfg_read, - .write = dino_cfg_write, - }; -diff -urNp linux-2.6.39.3/drivers/parisc/lba_pci.c linux-2.6.39.3/drivers/parisc/lba_pci.c ---- linux-2.6.39.3/drivers/parisc/lba_pci.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/parisc/lba_pci.c 2011-05-22 19:36:32.000000000 -0400 -@@ -468,7 +468,7 @@ static int elroy_cfg_write(struct pci_bu - } - - --static struct pci_ops elroy_cfg_ops = { -+static const struct pci_ops elroy_cfg_ops = { - .read = elroy_cfg_read, - .write = elroy_cfg_write, - }; -@@ -541,7 +541,7 @@ static int mercury_cfg_write(struct pci_ - return 0; - } - --static struct pci_ops mercury_cfg_ops = { -+static const struct pci_ops mercury_cfg_ops = { - .read = mercury_cfg_read, - .write = mercury_cfg_write, - }; -@@ -1405,7 +1405,7 @@ lba_driver_probe(struct parisc_device *d - { - struct lba_device *lba_dev; - struct pci_bus *lba_bus; -- struct pci_ops *cfg_ops; -+ const struct pci_ops *cfg_ops; - u32 func_class; - void *tmp_obj; - char *version; -diff -urNp linux-2.6.39.3/drivers/parport/procfs.c linux-2.6.39.3/drivers/parport/procfs.c ---- linux-2.6.39.3/drivers/parport/procfs.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/parport/procfs.c 2011-05-22 19:36:32.000000000 -0400 -@@ -64,7 +64,7 @@ static int do_active_device(ctl_table *t - - *ppos += len; - -- return copy_to_user(result, buffer, len) ? -EFAULT : 0; -+ return (len > sizeof buffer || copy_to_user(result, buffer, len)) ? -EFAULT : 0; - } - - #ifdef CONFIG_PARPORT_1284 -@@ -106,7 +106,7 @@ static int do_autoprobe(ctl_table *table - - *ppos += len; - -- return copy_to_user (result, buffer, len) ? -EFAULT : 0; -+ return (len > sizeof buffer || copy_to_user (result, buffer, len)) ? -EFAULT : 0; - } - #endif /* IEEE1284.3 support. */ - -diff -urNp linux-2.6.39.3/drivers/pci/access.c linux-2.6.39.3/drivers/pci/access.c ---- linux-2.6.39.3/drivers/pci/access.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/pci/access.c 2011-05-22 19:36:32.000000000 -0400 -@@ -74,9 +74,9 @@ EXPORT_SYMBOL(pci_bus_write_config_dword - * - * Return previous raw operations - */ --struct pci_ops *pci_bus_set_ops(struct pci_bus *bus, struct pci_ops *ops) -+const struct pci_ops *pci_bus_set_ops(struct pci_bus *bus, const struct pci_ops *ops) - { -- struct pci_ops *old_ops; -+ const struct pci_ops *old_ops; - unsigned long flags; - - raw_spin_lock_irqsave(&pci_lock, flags); -diff -urNp linux-2.6.39.3/drivers/pci/hotplug/acpiphp_glue.c linux-2.6.39.3/drivers/pci/hotplug/acpiphp_glue.c ---- linux-2.6.39.3/drivers/pci/hotplug/acpiphp_glue.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/pci/hotplug/acpiphp_glue.c 2011-05-22 19:36:32.000000000 -0400 -@@ -110,7 +110,7 @@ static int post_dock_fixups(struct notif - } - - --static struct acpi_dock_ops acpiphp_dock_ops = { -+static const struct acpi_dock_ops acpiphp_dock_ops = { - .handler = handle_hotplug_event_func, - }; - -diff -urNp linux-2.6.39.3/drivers/pci/hotplug/cpqphp_nvram.c linux-2.6.39.3/drivers/pci/hotplug/cpqphp_nvram.c ---- linux-2.6.39.3/drivers/pci/hotplug/cpqphp_nvram.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/pci/hotplug/cpqphp_nvram.c 2011-05-22 19:36:32.000000000 -0400 -@@ -428,9 +428,13 @@ static u32 store_HRT (void __iomem *rom_ - - void compaq_nvram_init (void __iomem *rom_start) - { -+ -+#ifndef CONFIG_PAX_KERNEXEC - if (rom_start) { - compaq_int15_entry_point = (rom_start + ROM_INT15_PHY_ADDR - ROM_PHY_ADDR); - } -+#endif -+ - dbg("int15 entry = %p\n", compaq_int15_entry_point); - - /* initialize our int15 lock */ -diff -urNp linux-2.6.39.3/drivers/pci/hotplug/shpchp.h linux-2.6.39.3/drivers/pci/hotplug/shpchp.h ---- linux-2.6.39.3/drivers/pci/hotplug/shpchp.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/pci/hotplug/shpchp.h 2011-05-22 19:36:32.000000000 -0400 -@@ -86,7 +86,7 @@ struct slot { - u8 presence_save; - u8 pwr_save; - struct controller *ctrl; -- struct hpc_ops *hpc_ops; -+ const struct hpc_ops *hpc_ops; - struct hotplug_slot *hotplug_slot; - struct list_head slot_list; - struct delayed_work work; /* work for button event */ -@@ -107,7 +107,7 @@ struct controller { - int slot_num_inc; /* 1 or -1 */ - struct pci_dev *pci_dev; - struct list_head slot_list; -- struct hpc_ops *hpc_ops; -+ const struct hpc_ops *hpc_ops; - wait_queue_head_t queue; /* sleep & wake process */ - u8 slot_device_offset; - u32 pcix_misc2_reg; /* for amd pogo errata */ -diff -urNp linux-2.6.39.3/drivers/pci/hotplug/shpchp_hpc.c linux-2.6.39.3/drivers/pci/hotplug/shpchp_hpc.c ---- linux-2.6.39.3/drivers/pci/hotplug/shpchp_hpc.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/pci/hotplug/shpchp_hpc.c 2011-05-22 19:36:32.000000000 -0400 -@@ -910,7 +910,7 @@ static int shpc_get_max_bus_speed(struct - return retval; - } - --static struct hpc_ops shpchp_hpc_ops = { -+static const struct hpc_ops shpchp_hpc_ops = { - .power_on_slot = hpc_power_on_slot, - .slot_enable = hpc_slot_enable, - .slot_disable = hpc_slot_disable, -diff -urNp linux-2.6.39.3/drivers/pci/intel-iommu.c linux-2.6.39.3/drivers/pci/intel-iommu.c ---- linux-2.6.39.3/drivers/pci/intel-iommu.c 2011-06-25 12:55:22.000000000 -0400 -+++ linux-2.6.39.3/drivers/pci/intel-iommu.c 2011-06-25 13:00:26.000000000 -0400 -@@ -393,7 +393,7 @@ static int intel_iommu_strict; - static DEFINE_SPINLOCK(device_domain_lock); - static LIST_HEAD(device_domain_list); - --static struct iommu_ops intel_iommu_ops; -+static const struct iommu_ops intel_iommu_ops; - - static int __init intel_iommu_setup(char *str) - { -@@ -2964,7 +2964,7 @@ static int intel_mapping_error(struct de - return !dma_addr; - } - --struct dma_map_ops intel_dma_ops = { -+const struct dma_map_ops intel_dma_ops = { - .alloc_coherent = intel_alloc_coherent, - .free_coherent = intel_free_coherent, - .map_sg = intel_map_sg, -@@ -3761,7 +3761,7 @@ static int intel_iommu_domain_has_cap(st - return 0; - } - --static struct iommu_ops intel_iommu_ops = { -+static const struct iommu_ops intel_iommu_ops = { - .domain_init = intel_iommu_domain_init, - .domain_destroy = intel_iommu_domain_destroy, - .attach_dev = intel_iommu_attach_device, -diff -urNp linux-2.6.39.3/drivers/pci/pci-acpi.c linux-2.6.39.3/drivers/pci/pci-acpi.c ---- linux-2.6.39.3/drivers/pci/pci-acpi.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/pci/pci-acpi.c 2011-05-22 19:36:32.000000000 -0400 -@@ -332,7 +332,7 @@ static int acpi_pci_run_wake(struct pci_ - return 0; - } - --static struct pci_platform_pm_ops acpi_pci_platform_pm = { -+static const struct pci_platform_pm_ops acpi_pci_platform_pm = { - .is_manageable = acpi_pci_power_manageable, - .set_state = acpi_pci_set_power_state, - .choose_state = acpi_pci_choose_state, -diff -urNp linux-2.6.39.3/drivers/pci/pci.c linux-2.6.39.3/drivers/pci/pci.c ---- linux-2.6.39.3/drivers/pci/pci.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/pci/pci.c 2011-05-22 19:36:32.000000000 -0400 -@@ -480,9 +480,9 @@ pci_restore_bars(struct pci_dev *dev) - pci_update_resource(dev, i); - } - --static struct pci_platform_pm_ops *pci_platform_pm; -+static const struct pci_platform_pm_ops *pci_platform_pm; - --int pci_set_platform_pm(struct pci_platform_pm_ops *ops) -+int pci_set_platform_pm(const struct pci_platform_pm_ops *ops) - { - if (!ops->is_manageable || !ops->set_state || !ops->choose_state - || !ops->sleep_wake || !ops->can_wakeup) -diff -urNp linux-2.6.39.3/drivers/pci/pcie/aer/aerdrv_core.c linux-2.6.39.3/drivers/pci/pcie/aer/aerdrv_core.c ---- linux-2.6.39.3/drivers/pci/pcie/aer/aerdrv_core.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/pci/pcie/aer/aerdrv_core.c 2011-05-22 19:36:32.000000000 -0400 -@@ -239,7 +239,7 @@ static bool find_source_device(struct pc - static int report_error_detected(struct pci_dev *dev, void *data) - { - pci_ers_result_t vote; -- struct pci_error_handlers *err_handler; -+ const struct pci_error_handlers *err_handler; - struct aer_broadcast_data *result_data; - result_data = (struct aer_broadcast_data *) data; - -@@ -273,7 +273,7 @@ static int report_error_detected(struct - static int report_mmio_enabled(struct pci_dev *dev, void *data) - { - pci_ers_result_t vote; -- struct pci_error_handlers *err_handler; -+ const struct pci_error_handlers *err_handler; - struct aer_broadcast_data *result_data; - result_data = (struct aer_broadcast_data *) data; - -@@ -291,7 +291,7 @@ static int report_mmio_enabled(struct pc - static int report_slot_reset(struct pci_dev *dev, void *data) - { - pci_ers_result_t vote; -- struct pci_error_handlers *err_handler; -+ const struct pci_error_handlers *err_handler; - struct aer_broadcast_data *result_data; - result_data = (struct aer_broadcast_data *) data; - -@@ -308,7 +308,7 @@ static int report_slot_reset(struct pci_ - - static int report_resume(struct pci_dev *dev, void *data) - { -- struct pci_error_handlers *err_handler; -+ const struct pci_error_handlers *err_handler; - - dev->error_state = pci_channel_io_normal; - -diff -urNp linux-2.6.39.3/drivers/pci/pcie/aer/aer_inject.c linux-2.6.39.3/drivers/pci/pcie/aer/aer_inject.c ---- linux-2.6.39.3/drivers/pci/pcie/aer/aer_inject.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/pci/pcie/aer/aer_inject.c 2011-05-22 19:36:32.000000000 -0400 -@@ -64,7 +64,7 @@ struct aer_error { - struct pci_bus_ops { - struct list_head list; - struct pci_bus *bus; -- struct pci_ops *ops; -+ const struct pci_ops *ops; - }; - - static LIST_HEAD(einjected); -@@ -110,7 +110,7 @@ static struct aer_error *__find_aer_erro - } - - /* inject_lock must be held before calling */ --static struct pci_ops *__find_pci_bus_ops(struct pci_bus *bus) -+static const struct pci_ops *__find_pci_bus_ops(struct pci_bus *bus) - { - struct pci_bus_ops *bus_ops; - -@@ -187,7 +187,7 @@ static int pci_read_aer(struct pci_bus * - u32 *sim; - struct aer_error *err; - unsigned long flags; -- struct pci_ops *ops; -+ const struct pci_ops *ops; - int domain; - - spin_lock_irqsave(&inject_lock, flags); -@@ -219,7 +219,7 @@ int pci_write_aer(struct pci_bus *bus, u - struct aer_error *err; - unsigned long flags; - int rw1cs; -- struct pci_ops *ops; -+ const struct pci_ops *ops; - int domain; - - spin_lock_irqsave(&inject_lock, flags); -@@ -254,7 +254,7 @@ static struct pci_ops pci_ops_aer = { - - static void pci_bus_ops_init(struct pci_bus_ops *bus_ops, - struct pci_bus *bus, -- struct pci_ops *ops) -+ const struct pci_ops *ops) - { - INIT_LIST_HEAD(&bus_ops->list); - bus_ops->bus = bus; -@@ -263,7 +263,7 @@ static void pci_bus_ops_init(struct pci_ - - static int pci_bus_set_aer_ops(struct pci_bus *bus) - { -- struct pci_ops *ops; -+ const struct pci_ops *ops; - struct pci_bus_ops *bus_ops; - unsigned long flags; - -diff -urNp linux-2.6.39.3/drivers/pci/pcie/aspm.c linux-2.6.39.3/drivers/pci/pcie/aspm.c ---- linux-2.6.39.3/drivers/pci/pcie/aspm.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/pci/pcie/aspm.c 2011-05-22 19:36:32.000000000 -0400 -@@ -27,9 +27,9 @@ - #define MODULE_PARAM_PREFIX "pcie_aspm." - - /* Note: those are not register definitions */ --#define ASPM_STATE_L0S_UP (1) /* Upstream direction L0s state */ --#define ASPM_STATE_L0S_DW (2) /* Downstream direction L0s state */ --#define ASPM_STATE_L1 (4) /* L1 state */ -+#define ASPM_STATE_L0S_UP (1U) /* Upstream direction L0s state */ -+#define ASPM_STATE_L0S_DW (2U) /* Downstream direction L0s state */ -+#define ASPM_STATE_L1 (4U) /* L1 state */ - #define ASPM_STATE_L0S (ASPM_STATE_L0S_UP | ASPM_STATE_L0S_DW) - #define ASPM_STATE_ALL (ASPM_STATE_L0S | ASPM_STATE_L1) - -diff -urNp linux-2.6.39.3/drivers/pci/pci.h linux-2.6.39.3/drivers/pci/pci.h ---- linux-2.6.39.3/drivers/pci/pci.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/pci/pci.h 2011-05-22 19:36:32.000000000 -0400 -@@ -65,7 +65,7 @@ struct pci_platform_pm_ops { - int (*run_wake)(struct pci_dev *dev, bool enable); - }; - --extern int pci_set_platform_pm(struct pci_platform_pm_ops *ops); -+extern int pci_set_platform_pm(const struct pci_platform_pm_ops *ops); - extern void pci_update_current_state(struct pci_dev *dev, pci_power_t state); - extern void pci_disable_enabled_device(struct pci_dev *dev); - extern int pci_finish_runtime_suspend(struct pci_dev *dev); -diff -urNp linux-2.6.39.3/drivers/pci/probe.c linux-2.6.39.3/drivers/pci/probe.c ---- linux-2.6.39.3/drivers/pci/probe.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/pci/probe.c 2011-05-22 19:36:32.000000000 -0400 -@@ -62,14 +62,14 @@ static ssize_t pci_bus_show_cpuaffinity( - return ret; - } - --static ssize_t inline pci_bus_show_cpumaskaffinity(struct device *dev, -+static inline ssize_t pci_bus_show_cpumaskaffinity(struct device *dev, - struct device_attribute *attr, - char *buf) - { - return pci_bus_show_cpuaffinity(dev, 0, attr, buf); - } - --static ssize_t inline pci_bus_show_cpulistaffinity(struct device *dev, -+static inline ssize_t pci_bus_show_cpulistaffinity(struct device *dev, - struct device_attribute *attr, - char *buf) - { -@@ -165,7 +165,7 @@ int __pci_read_base(struct pci_dev *dev, - u32 l, sz, mask; - u16 orig_cmd; - -- mask = type ? PCI_ROM_ADDRESS_MASK : ~0; -+ mask = type ? (u32)PCI_ROM_ADDRESS_MASK : ~0; - - if (!dev->mmio_always_on) { - pci_read_config_word(dev, PCI_COMMAND, &orig_cmd); -@@ -1407,7 +1407,7 @@ unsigned int __devinit pci_scan_child_bu - } - - struct pci_bus * pci_create_bus(struct device *parent, -- int bus, struct pci_ops *ops, void *sysdata) -+ int bus, const struct pci_ops *ops, void *sysdata) - { - int error; - struct pci_bus *b, *b2; -@@ -1483,7 +1483,7 @@ err_out: - } - - struct pci_bus * __devinit pci_scan_bus_parented(struct device *parent, -- int bus, struct pci_ops *ops, void *sysdata) -+ int bus, const struct pci_ops *ops, void *sysdata) - { - struct pci_bus *b; - -diff -urNp linux-2.6.39.3/drivers/pci/proc.c linux-2.6.39.3/drivers/pci/proc.c ---- linux-2.6.39.3/drivers/pci/proc.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/pci/proc.c 2011-05-22 19:41:37.000000000 -0400 -@@ -476,7 +476,16 @@ static const struct file_operations proc - static int __init pci_proc_init(void) - { - struct pci_dev *dev = NULL; -+ -+#ifdef CONFIG_GRKERNSEC_PROC_ADD -+#ifdef CONFIG_GRKERNSEC_PROC_USER -+ proc_bus_pci_dir = proc_mkdir_mode("bus/pci", S_IRUSR | S_IXUSR, NULL); -+#elif defined(CONFIG_GRKERNSEC_PROC_USERGROUP) -+ proc_bus_pci_dir = proc_mkdir_mode("bus/pci", S_IRUSR | S_IXUSR | S_IRGRP | S_IXGRP, NULL); -+#endif -+#else - proc_bus_pci_dir = proc_mkdir("bus/pci", NULL); -+#endif - proc_create("devices", 0, proc_bus_pci_dir, - &proc_bus_pci_dev_operations); - proc_initialized = 1; -diff -urNp linux-2.6.39.3/drivers/pci/xen-pcifront.c linux-2.6.39.3/drivers/pci/xen-pcifront.c ---- linux-2.6.39.3/drivers/pci/xen-pcifront.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/pci/xen-pcifront.c 2011-05-22 19:36:32.000000000 -0400 -@@ -187,6 +187,8 @@ static int pcifront_bus_read(struct pci_ - struct pcifront_sd *sd = bus->sysdata; - struct pcifront_device *pdev = pcifront_get_pdev(sd); - -+ pax_track_stack(); -+ - if (verbose_request) - dev_info(&pdev->xdev->dev, - "read dev=%04x:%02x:%02x.%01x - offset %x size %d\n", -@@ -226,6 +228,8 @@ static int pcifront_bus_write(struct pci - struct pcifront_sd *sd = bus->sysdata; - struct pcifront_device *pdev = pcifront_get_pdev(sd); - -+ pax_track_stack(); -+ - if (verbose_request) - dev_info(&pdev->xdev->dev, - "write dev=%04x:%02x:%02x.%01x - " -@@ -236,7 +240,7 @@ static int pcifront_bus_write(struct pci - return errno_to_pcibios_err(do_pci_op(pdev, &op)); - } - --struct pci_ops pcifront_bus_ops = { -+const struct pci_ops pcifront_bus_ops = { - .read = pcifront_bus_read, - .write = pcifront_bus_write, - }; -@@ -258,6 +262,8 @@ static int pci_frontend_enable_msix(stru - struct pcifront_device *pdev = pcifront_get_pdev(sd); - struct msi_desc *entry; - -+ pax_track_stack(); -+ - if (nvec > SH_INFO_MAX_VEC) { - dev_err(&dev->dev, "too much vector for pci frontend: %x." - " Increase SH_INFO_MAX_VEC.\n", nvec); -@@ -309,6 +315,8 @@ static void pci_frontend_disable_msix(st - struct pcifront_sd *sd = dev->bus->sysdata; - struct pcifront_device *pdev = pcifront_get_pdev(sd); - -+ pax_track_stack(); -+ - err = do_pci_op(pdev, &op); - - /* What should do for error ? */ -@@ -328,6 +336,8 @@ static int pci_frontend_enable_msi(struc - struct pcifront_sd *sd = dev->bus->sysdata; - struct pcifront_device *pdev = pcifront_get_pdev(sd); - -+ pax_track_stack(); -+ - err = do_pci_op(pdev, &op); - if (likely(!err)) { - vector[0] = op.value; -@@ -368,7 +378,7 @@ static void pci_frontend_disable_msi(str - printk(KERN_DEBUG "get fake response frombackend\n"); - } - --static struct xen_pci_frontend_ops pci_frontend_ops = { -+static const struct xen_pci_frontend_ops pci_frontend_ops = { - .enable_msi = pci_frontend_enable_msi, - .disable_msi = pci_frontend_disable_msi, - .enable_msix = pci_frontend_enable_msix, -diff -urNp linux-2.6.39.3/drivers/pcmcia/at91_cf.c linux-2.6.39.3/drivers/pcmcia/at91_cf.c ---- linux-2.6.39.3/drivers/pcmcia/at91_cf.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/pcmcia/at91_cf.c 2011-05-22 19:36:32.000000000 -0400 -@@ -203,7 +203,7 @@ at91_cf_set_mem_map(struct pcmcia_socket - return 0; - } - --static struct pccard_operations at91_cf_ops = { -+static const struct pccard_operations at91_cf_ops = { - .init = at91_cf_ss_init, - .suspend = at91_cf_ss_suspend, - .get_status = at91_cf_get_status, -diff -urNp linux-2.6.39.3/drivers/pcmcia/bfin_cf_pcmcia.c linux-2.6.39.3/drivers/pcmcia/bfin_cf_pcmcia.c ---- linux-2.6.39.3/drivers/pcmcia/bfin_cf_pcmcia.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/pcmcia/bfin_cf_pcmcia.c 2011-05-22 19:36:32.000000000 -0400 -@@ -184,7 +184,7 @@ bfin_cf_set_mem_map(struct pcmcia_socket - return 0; - } - --static struct pccard_operations bfin_cf_ops = { -+static const struct pccard_operations bfin_cf_ops = { - .init = bfin_cf_ss_init, - .suspend = bfin_cf_ss_suspend, - .get_status = bfin_cf_get_status, -diff -urNp linux-2.6.39.3/drivers/pcmcia/db1xxx_ss.c linux-2.6.39.3/drivers/pcmcia/db1xxx_ss.c ---- linux-2.6.39.3/drivers/pcmcia/db1xxx_ss.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/pcmcia/db1xxx_ss.c 2011-05-22 19:36:32.000000000 -0400 -@@ -384,7 +384,7 @@ static int au1x00_pcmcia_set_mem_map(str - return 0; - } - --static struct pccard_operations db1x_pcmcia_operations = { -+static const struct pccard_operations db1x_pcmcia_operations = { - .init = db1x_pcmcia_sock_init, - .suspend = db1x_pcmcia_sock_suspend, - .get_status = db1x_pcmcia_get_status, -diff -urNp linux-2.6.39.3/drivers/pcmcia/electra_cf.c linux-2.6.39.3/drivers/pcmcia/electra_cf.c ---- linux-2.6.39.3/drivers/pcmcia/electra_cf.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/pcmcia/electra_cf.c 2011-05-22 19:36:32.000000000 -0400 -@@ -173,7 +173,7 @@ static int electra_cf_set_mem_map(struct - return 0; - } - --static struct pccard_operations electra_cf_ops = { -+static const struct pccard_operations electra_cf_ops = { - .init = electra_cf_ss_init, - .get_status = electra_cf_get_status, - .set_socket = electra_cf_set_socket, -diff -urNp linux-2.6.39.3/drivers/pcmcia/m32r_cfc.c linux-2.6.39.3/drivers/pcmcia/m32r_cfc.c ---- linux-2.6.39.3/drivers/pcmcia/m32r_cfc.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/pcmcia/m32r_cfc.c 2011-05-22 19:36:32.000000000 -0400 -@@ -674,7 +674,7 @@ static int pcc_init(struct pcmcia_socket - return 0; - } - --static struct pccard_operations pcc_operations = { -+static const struct pccard_operations pcc_operations = { - .init = pcc_init, - .get_status = pcc_get_status, - .set_socket = pcc_set_socket, -diff -urNp linux-2.6.39.3/drivers/pcmcia/m32r_pcc.c linux-2.6.39.3/drivers/pcmcia/m32r_pcc.c ---- linux-2.6.39.3/drivers/pcmcia/m32r_pcc.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/pcmcia/m32r_pcc.c 2011-05-22 19:36:32.000000000 -0400 -@@ -652,7 +652,7 @@ static int pcc_init(struct pcmcia_socket - return 0; - } - --static struct pccard_operations pcc_operations = { -+static const struct pccard_operations pcc_operations = { - .init = pcc_init, - .get_status = pcc_get_status, - .set_socket = pcc_set_socket, -diff -urNp linux-2.6.39.3/drivers/pcmcia/m8xx_pcmcia.c linux-2.6.39.3/drivers/pcmcia/m8xx_pcmcia.c ---- linux-2.6.39.3/drivers/pcmcia/m8xx_pcmcia.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/pcmcia/m8xx_pcmcia.c 2011-05-22 19:36:32.000000000 -0400 -@@ -1139,7 +1139,7 @@ static int m8xx_sock_suspend(struct pcmc - return m8xx_set_socket(sock, &dead_socket); - } - --static struct pccard_operations m8xx_services = { -+static const struct pccard_operations m8xx_services = { - .init = m8xx_sock_init, - .suspend = m8xx_sock_suspend, - .get_status = m8xx_get_status, -diff -urNp linux-2.6.39.3/drivers/pcmcia/omap_cf.c linux-2.6.39.3/drivers/pcmcia/omap_cf.c ---- linux-2.6.39.3/drivers/pcmcia/omap_cf.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/pcmcia/omap_cf.c 2011-05-22 19:36:32.000000000 -0400 -@@ -185,7 +185,7 @@ omap_cf_set_mem_map(struct pcmcia_socket - return 0; - } - --static struct pccard_operations omap_cf_ops = { -+static const struct pccard_operations omap_cf_ops = { - .init = omap_cf_ss_init, - .suspend = omap_cf_ss_suspend, - .get_status = omap_cf_get_status, -diff -urNp linux-2.6.39.3/drivers/pcmcia/rsrc_iodyn.c linux-2.6.39.3/drivers/pcmcia/rsrc_iodyn.c ---- linux-2.6.39.3/drivers/pcmcia/rsrc_iodyn.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/pcmcia/rsrc_iodyn.c 2011-05-22 19:36:32.000000000 -0400 -@@ -161,7 +161,7 @@ static int iodyn_find_io(struct pcmcia_s - } - - --struct pccard_resource_ops pccard_iodyn_ops = { -+const struct pccard_resource_ops pccard_iodyn_ops = { - .validate_mem = NULL, - .find_io = iodyn_find_io, - .find_mem = NULL, -diff -urNp linux-2.6.39.3/drivers/pcmcia/rsrc_mgr.c linux-2.6.39.3/drivers/pcmcia/rsrc_mgr.c ---- linux-2.6.39.3/drivers/pcmcia/rsrc_mgr.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/pcmcia/rsrc_mgr.c 2011-05-22 19:36:32.000000000 -0400 -@@ -57,7 +57,7 @@ static int static_find_io(struct pcmcia_ - } - - --struct pccard_resource_ops pccard_static_ops = { -+const struct pccard_resource_ops pccard_static_ops = { - .validate_mem = NULL, - .find_io = static_find_io, - .find_mem = NULL, -diff -urNp linux-2.6.39.3/drivers/pcmcia/vrc4171_card.c linux-2.6.39.3/drivers/pcmcia/vrc4171_card.c ---- linux-2.6.39.3/drivers/pcmcia/vrc4171_card.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/pcmcia/vrc4171_card.c 2011-05-22 19:36:32.000000000 -0400 -@@ -479,7 +479,7 @@ static int pccard_set_mem_map(struct pcm - return 0; - } - --static struct pccard_operations vrc4171_pccard_operations = { -+static const struct pccard_operations vrc4171_pccard_operations = { - .init = pccard_init, - .get_status = pccard_get_status, - .set_socket = pccard_set_socket, -diff -urNp linux-2.6.39.3/drivers/pcmcia/vrc4173_cardu.c linux-2.6.39.3/drivers/pcmcia/vrc4173_cardu.c ---- linux-2.6.39.3/drivers/pcmcia/vrc4173_cardu.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/pcmcia/vrc4173_cardu.c 2011-05-22 19:36:32.000000000 -0400 -@@ -384,7 +384,7 @@ static void cardu_proc_setup(unsigned in - { - } - --static struct pccard_operations cardu_operations = { -+static const struct pccard_operations cardu_operations = { - .init = cardu_init, - .register_callback = cardu_register_callback, - .inquire_socket = cardu_inquire_socket, -diff -urNp linux-2.6.39.3/drivers/pcmcia/xxs1500_ss.c linux-2.6.39.3/drivers/pcmcia/xxs1500_ss.c ---- linux-2.6.39.3/drivers/pcmcia/xxs1500_ss.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/pcmcia/xxs1500_ss.c 2011-05-22 19:36:32.000000000 -0400 -@@ -196,7 +196,7 @@ static int au1x00_pcmcia_set_mem_map(str - return 0; - } - --static struct pccard_operations xxs1500_pcmcia_operations = { -+static const struct pccard_operations xxs1500_pcmcia_operations = { - .init = xxs1500_pcmcia_sock_init, - .suspend = xxs1500_pcmcia_sock_suspend, - .get_status = xxs1500_pcmcia_get_status, -diff -urNp linux-2.6.39.3/drivers/platform/x86/acerhdf.c linux-2.6.39.3/drivers/platform/x86/acerhdf.c ---- linux-2.6.39.3/drivers/platform/x86/acerhdf.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/platform/x86/acerhdf.c 2011-05-22 19:36:32.000000000 -0400 -@@ -406,7 +406,7 @@ static int acerhdf_get_crit_temp(struct - } - - /* bind callback functions to thermalzone */ --static struct thermal_zone_device_ops acerhdf_dev_ops = { -+static const struct thermal_zone_device_ops acerhdf_dev_ops = { - .bind = acerhdf_bind, - .unbind = acerhdf_unbind, - .get_temp = acerhdf_get_ec_temp, -@@ -481,7 +481,7 @@ err_out: - } - - /* bind fan callbacks to fan device */ --static struct thermal_cooling_device_ops acerhdf_cooling_ops = { -+static const struct thermal_cooling_device_ops acerhdf_cooling_ops = { - .get_max_state = acerhdf_get_max_state, - .get_cur_state = acerhdf_get_cur_state, - .set_cur_state = acerhdf_set_cur_state, -diff -urNp linux-2.6.39.3/drivers/platform/x86/ideapad-laptop.c linux-2.6.39.3/drivers/platform/x86/ideapad-laptop.c ---- linux-2.6.39.3/drivers/platform/x86/ideapad-laptop.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/platform/x86/ideapad-laptop.c 2011-05-22 19:36:32.000000000 -0400 -@@ -207,7 +207,7 @@ static int ideapad_rfk_set(void *data, b - return write_ec_cmd(ideapad_handle, opcode, !blocked); - } - --static struct rfkill_ops ideapad_rfk_ops = { -+static const struct rfkill_ops ideapad_rfk_ops = { - .set_block = ideapad_rfk_set, - }; - -diff -urNp linux-2.6.39.3/drivers/platform/x86/intel_menlow.c linux-2.6.39.3/drivers/platform/x86/intel_menlow.c ---- linux-2.6.39.3/drivers/platform/x86/intel_menlow.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/platform/x86/intel_menlow.c 2011-05-22 19:36:32.000000000 -0400 -@@ -143,7 +143,7 @@ static int memory_set_cur_bandwidth(stru - return 0; - } - --static struct thermal_cooling_device_ops memory_cooling_ops = { -+static const struct thermal_cooling_device_ops memory_cooling_ops = { - .get_max_state = memory_get_max_bandwidth, - .get_cur_state = memory_get_cur_bandwidth, - .set_cur_state = memory_set_cur_bandwidth, -diff -urNp linux-2.6.39.3/drivers/platform/x86/intel_mid_thermal.c linux-2.6.39.3/drivers/platform/x86/intel_mid_thermal.c ---- linux-2.6.39.3/drivers/platform/x86/intel_mid_thermal.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/platform/x86/intel_mid_thermal.c 2011-05-22 19:36:32.000000000 -0400 -@@ -458,7 +458,7 @@ static int read_curr_temp(struct thermal - } - - /* Can't be const */ --static struct thermal_zone_device_ops tzd_ops = { -+static const struct thermal_zone_device_ops tzd_ops = { - .get_temp = read_curr_temp, - }; - -diff -urNp linux-2.6.39.3/drivers/platform/x86/samsung-laptop.c linux-2.6.39.3/drivers/platform/x86/samsung-laptop.c ---- linux-2.6.39.3/drivers/platform/x86/samsung-laptop.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/platform/x86/samsung-laptop.c 2011-05-22 19:36:32.000000000 -0400 -@@ -419,7 +419,7 @@ static int rfkill_set(void *data, bool b - return 0; - } - --static struct rfkill_ops rfkill_ops = { -+static const struct rfkill_ops rfkill_ops = { - .set_block = rfkill_set, - }; - -diff -urNp linux-2.6.39.3/drivers/pnp/pnpbios/bioscalls.c linux-2.6.39.3/drivers/pnp/pnpbios/bioscalls.c ---- linux-2.6.39.3/drivers/pnp/pnpbios/bioscalls.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/pnp/pnpbios/bioscalls.c 2011-05-22 19:36:32.000000000 -0400 -@@ -59,7 +59,7 @@ do { \ - set_desc_limit(&gdt[(selname) >> 3], (size) - 1); \ - } while(0) - --static struct desc_struct bad_bios_desc = GDT_ENTRY_INIT(0x4092, -+static const struct desc_struct bad_bios_desc = GDT_ENTRY_INIT(0x4093, - (unsigned long)__va(0x400UL), PAGE_SIZE - 0x400 - 1); - - /* -@@ -96,7 +96,10 @@ static inline u16 call_pnp_bios(u16 func - - cpu = get_cpu(); - save_desc_40 = get_cpu_gdt_table(cpu)[0x40 / 8]; -+ -+ pax_open_kernel(); - get_cpu_gdt_table(cpu)[0x40 / 8] = bad_bios_desc; -+ pax_close_kernel(); - - /* On some boxes IRQ's during PnP BIOS calls are deadly. */ - spin_lock_irqsave(&pnp_bios_lock, flags); -@@ -134,7 +137,10 @@ static inline u16 call_pnp_bios(u16 func - :"memory"); - spin_unlock_irqrestore(&pnp_bios_lock, flags); - -+ pax_open_kernel(); - get_cpu_gdt_table(cpu)[0x40 / 8] = save_desc_40; -+ pax_close_kernel(); -+ - put_cpu(); - - /* If we get here and this is set then the PnP BIOS faulted on us. */ -@@ -468,7 +474,7 @@ int pnp_bios_read_escd(char *data, u32 n - return status; - } - --void pnpbios_calls_init(union pnp_bios_install_struct *header) -+void __init pnpbios_calls_init(union pnp_bios_install_struct *header) - { - int i; - -@@ -476,6 +482,8 @@ void pnpbios_calls_init(union pnp_bios_i - pnp_bios_callpoint.offset = header->fields.pm16offset; - pnp_bios_callpoint.segment = PNP_CS16; - -+ pax_open_kernel(); -+ - for_each_possible_cpu(i) { - struct desc_struct *gdt = get_cpu_gdt_table(i); - if (!gdt) -@@ -487,4 +495,6 @@ void pnpbios_calls_init(union pnp_bios_i - set_desc_base(&gdt[GDT_ENTRY_PNPBIOS_DS], - (unsigned long)__va(header->fields.pm16dseg)); - } -+ -+ pax_close_kernel(); - } -diff -urNp linux-2.6.39.3/drivers/pnp/resource.c linux-2.6.39.3/drivers/pnp/resource.c ---- linux-2.6.39.3/drivers/pnp/resource.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/pnp/resource.c 2011-05-22 19:36:32.000000000 -0400 -@@ -360,7 +360,7 @@ int pnp_check_irq(struct pnp_dev *dev, s - return 1; - - /* check if the resource is valid */ -- if (*irq < 0 || *irq > 15) -+ if (*irq > 15) - return 0; - - /* check if the resource is reserved */ -@@ -424,7 +424,7 @@ int pnp_check_dma(struct pnp_dev *dev, s - return 1; - - /* check if the resource is valid */ -- if (*dma < 0 || *dma == 4 || *dma > 7) -+ if (*dma == 4 || *dma > 7) - return 0; - - /* check if the resource is reserved */ -diff -urNp linux-2.6.39.3/drivers/power/max8925_power.c linux-2.6.39.3/drivers/power/max8925_power.c ---- linux-2.6.39.3/drivers/power/max8925_power.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/power/max8925_power.c 2011-05-22 19:36:32.000000000 -0400 -@@ -426,7 +426,7 @@ static __devinit int max8925_power_probe - { - struct max8925_chip *chip = dev_get_drvdata(pdev->dev.parent); - struct max8925_platform_data *max8925_pdata; -- struct max8925_power_pdata *pdata = NULL; -+ const struct max8925_power_pdata *pdata = NULL; - struct max8925_power_info *info; - int ret; - -diff -urNp linux-2.6.39.3/drivers/regulator/core.c linux-2.6.39.3/drivers/regulator/core.c ---- linux-2.6.39.3/drivers/regulator/core.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/regulator/core.c 2011-05-22 19:36:32.000000000 -0400 -@@ -2883,7 +2883,7 @@ core_initcall(regulator_init); - static int __init regulator_init_complete(void) - { - struct regulator_dev *rdev; -- struct regulator_ops *ops; -+ const struct regulator_ops *ops; - struct regulation_constraints *c; - int enabled, ret; - -diff -urNp linux-2.6.39.3/drivers/rtc/rtc-at32ap700x.c linux-2.6.39.3/drivers/rtc/rtc-at32ap700x.c ---- linux-2.6.39.3/drivers/rtc/rtc-at32ap700x.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/rtc/rtc-at32ap700x.c 2011-05-22 19:36:32.000000000 -0400 -@@ -187,7 +187,7 @@ static irqreturn_t at32_rtc_interrupt(in - return ret; - } - --static struct rtc_class_ops at32_rtc_ops = { -+static const struct rtc_class_ops at32_rtc_ops = { - .read_time = at32_rtc_readtime, - .set_time = at32_rtc_settime, - .read_alarm = at32_rtc_readalarm, -diff -urNp linux-2.6.39.3/drivers/rtc/rtc-au1xxx.c linux-2.6.39.3/drivers/rtc/rtc-au1xxx.c ---- linux-2.6.39.3/drivers/rtc/rtc-au1xxx.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/rtc/rtc-au1xxx.c 2011-05-22 19:36:32.000000000 -0400 -@@ -57,7 +57,7 @@ static int au1xtoy_rtc_set_time(struct d - return 0; - } - --static struct rtc_class_ops au1xtoy_rtc_ops = { -+static const struct rtc_class_ops au1xtoy_rtc_ops = { - .read_time = au1xtoy_rtc_read_time, - .set_time = au1xtoy_rtc_set_time, - }; -diff -urNp linux-2.6.39.3/drivers/rtc/rtc-bfin.c linux-2.6.39.3/drivers/rtc/rtc-bfin.c ---- linux-2.6.39.3/drivers/rtc/rtc-bfin.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/rtc/rtc-bfin.c 2011-05-22 19:36:32.000000000 -0400 -@@ -333,7 +333,7 @@ static int bfin_rtc_proc(struct device * - #undef yesno - } - --static struct rtc_class_ops bfin_rtc_ops = { -+static const struct rtc_class_ops bfin_rtc_ops = { - .read_time = bfin_rtc_read_time, - .set_time = bfin_rtc_set_time, - .read_alarm = bfin_rtc_read_alarm, -diff -urNp linux-2.6.39.3/drivers/rtc/rtc-coh901331.c linux-2.6.39.3/drivers/rtc/rtc-coh901331.c ---- linux-2.6.39.3/drivers/rtc/rtc-coh901331.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/rtc/rtc-coh901331.c 2011-05-22 19:36:32.000000000 -0400 -@@ -142,7 +142,7 @@ static int coh901331_alarm_irq_enable(st - return 0; - } - --static struct rtc_class_ops coh901331_ops = { -+static const struct rtc_class_ops coh901331_ops = { - .read_time = coh901331_read_time, - .set_mmss = coh901331_set_mmss, - .read_alarm = coh901331_read_alarm, -diff -urNp linux-2.6.39.3/drivers/rtc/rtc-davinci.c linux-2.6.39.3/drivers/rtc/rtc-davinci.c ---- linux-2.6.39.3/drivers/rtc/rtc-davinci.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/rtc/rtc-davinci.c 2011-05-22 19:36:32.000000000 -0400 -@@ -469,7 +469,7 @@ static int davinci_rtc_set_alarm(struct - return 0; - } - --static struct rtc_class_ops davinci_rtc_ops = { -+static const struct rtc_class_ops davinci_rtc_ops = { - .ioctl = davinci_rtc_ioctl, - .read_time = davinci_rtc_read_time, - .set_time = davinci_rtc_set_time, -diff -urNp linux-2.6.39.3/drivers/rtc/rtc-dev.c linux-2.6.39.3/drivers/rtc/rtc-dev.c ---- linux-2.6.39.3/drivers/rtc/rtc-dev.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/rtc/rtc-dev.c 2011-05-22 19:41:37.000000000 -0400 -@@ -14,6 +14,7 @@ - #include <linux/module.h> - #include <linux/rtc.h> - #include <linux/sched.h> -+#include <linux/grsecurity.h> - #include "rtc-core.h" - - static dev_t rtc_devt; -@@ -345,6 +346,8 @@ static long rtc_dev_ioctl(struct file *f - if (copy_from_user(&tm, uarg, sizeof(tm))) - return -EFAULT; - -+ gr_log_timechange(); -+ - return rtc_set_time(rtc, &tm); - - case RTC_PIE_ON: -diff -urNp linux-2.6.39.3/drivers/rtc/rtc-dm355evm.c linux-2.6.39.3/drivers/rtc/rtc-dm355evm.c ---- linux-2.6.39.3/drivers/rtc/rtc-dm355evm.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/rtc/rtc-dm355evm.c 2011-05-22 19:36:32.000000000 -0400 -@@ -115,7 +115,7 @@ static int dm355evm_rtc_set_time(struct - return 0; - } - --static struct rtc_class_ops dm355evm_rtc_ops = { -+static const struct rtc_class_ops dm355evm_rtc_ops = { - .read_time = dm355evm_rtc_read_time, - .set_time = dm355evm_rtc_set_time, - }; -diff -urNp linux-2.6.39.3/drivers/rtc/rtc-ds1302.c linux-2.6.39.3/drivers/rtc/rtc-ds1302.c ---- linux-2.6.39.3/drivers/rtc/rtc-ds1302.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/rtc/rtc-ds1302.c 2011-05-22 19:36:32.000000000 -0400 -@@ -199,7 +199,7 @@ static int ds1302_rtc_ioctl(struct devic - return -ENOIOCTLCMD; - } - --static struct rtc_class_ops ds1302_rtc_ops = { -+static const struct rtc_class_ops ds1302_rtc_ops = { - .read_time = ds1302_rtc_read_time, - .set_time = ds1302_rtc_set_time, - .ioctl = ds1302_rtc_ioctl, -diff -urNp linux-2.6.39.3/drivers/rtc/rtc-imxdi.c linux-2.6.39.3/drivers/rtc/rtc-imxdi.c ---- linux-2.6.39.3/drivers/rtc/rtc-imxdi.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/rtc/rtc-imxdi.c 2011-05-22 19:36:32.000000000 -0400 -@@ -290,7 +290,7 @@ static int dryice_rtc_set_alarm(struct d - return 0; - } - --static struct rtc_class_ops dryice_rtc_ops = { -+static const struct rtc_class_ops dryice_rtc_ops = { - .read_time = dryice_rtc_read_time, - .set_mmss = dryice_rtc_set_mmss, - .alarm_irq_enable = dryice_rtc_alarm_irq_enable, -diff -urNp linux-2.6.39.3/drivers/rtc/rtc-jz4740.c linux-2.6.39.3/drivers/rtc/rtc-jz4740.c ---- linux-2.6.39.3/drivers/rtc/rtc-jz4740.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/rtc/rtc-jz4740.c 2011-05-22 19:36:32.000000000 -0400 -@@ -174,7 +174,7 @@ static int jz4740_rtc_alarm_irq_enable(s - return jz4740_rtc_ctrl_set_bits(rtc, JZ_RTC_CTRL_AF_IRQ, enable); - } - --static struct rtc_class_ops jz4740_rtc_ops = { -+static const struct rtc_class_ops jz4740_rtc_ops = { - .read_time = jz4740_rtc_read_time, - .set_mmss = jz4740_rtc_set_mmss, - .read_alarm = jz4740_rtc_read_alarm, -diff -urNp linux-2.6.39.3/drivers/rtc/rtc-m41t80.c linux-2.6.39.3/drivers/rtc/rtc-m41t80.c ---- linux-2.6.39.3/drivers/rtc/rtc-m41t80.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/rtc/rtc-m41t80.c 2011-05-22 19:36:32.000000000 -0400 -@@ -354,7 +354,7 @@ static int m41t80_rtc_read_alarm(struct - return 0; - } - --static struct rtc_class_ops m41t80_rtc_ops = { -+static const struct rtc_class_ops m41t80_rtc_ops = { - .read_time = m41t80_rtc_read_time, - .set_time = m41t80_rtc_set_time, - .read_alarm = m41t80_rtc_read_alarm, -diff -urNp linux-2.6.39.3/drivers/rtc/rtc-mxc.c linux-2.6.39.3/drivers/rtc/rtc-mxc.c ---- linux-2.6.39.3/drivers/rtc/rtc-mxc.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/rtc/rtc-mxc.c 2011-05-22 19:36:32.000000000 -0400 -@@ -355,7 +355,7 @@ static int mxc_rtc_set_alarm(struct devi - } - - /* RTC layer */ --static struct rtc_class_ops mxc_rtc_ops = { -+static const struct rtc_class_ops mxc_rtc_ops = { - .release = mxc_rtc_release, - .read_time = mxc_rtc_read_time, - .set_mmss = mxc_rtc_set_mmss, -diff -urNp linux-2.6.39.3/drivers/rtc/rtc-nuc900.c linux-2.6.39.3/drivers/rtc/rtc-nuc900.c ---- linux-2.6.39.3/drivers/rtc/rtc-nuc900.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/rtc/rtc-nuc900.c 2011-05-22 19:36:32.000000000 -0400 -@@ -214,7 +214,7 @@ static int nuc900_rtc_set_alarm(struct d - return 0; - } - --static struct rtc_class_ops nuc900_rtc_ops = { -+static const struct rtc_class_ops nuc900_rtc_ops = { - .read_time = nuc900_rtc_read_time, - .set_time = nuc900_rtc_set_time, - .read_alarm = nuc900_rtc_read_alarm, -diff -urNp linux-2.6.39.3/drivers/rtc/rtc-omap.c linux-2.6.39.3/drivers/rtc/rtc-omap.c ---- linux-2.6.39.3/drivers/rtc/rtc-omap.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/rtc/rtc-omap.c 2011-05-22 19:36:32.000000000 -0400 -@@ -274,7 +274,7 @@ static int omap_rtc_set_alarm(struct dev - return 0; - } - --static struct rtc_class_ops omap_rtc_ops = { -+static const struct rtc_class_ops omap_rtc_ops = { - .read_time = omap_rtc_read_time, - .set_time = omap_rtc_set_time, - .read_alarm = omap_rtc_read_alarm, -diff -urNp linux-2.6.39.3/drivers/rtc/rtc-pcf50633.c linux-2.6.39.3/drivers/rtc/rtc-pcf50633.c ---- linux-2.6.39.3/drivers/rtc/rtc-pcf50633.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/rtc/rtc-pcf50633.c 2011-05-22 19:36:32.000000000 -0400 -@@ -238,7 +238,7 @@ static int pcf50633_rtc_set_alarm(struct - return ret; - } - --static struct rtc_class_ops pcf50633_rtc_ops = { -+static const struct rtc_class_ops pcf50633_rtc_ops = { - .read_time = pcf50633_rtc_read_time, - .set_time = pcf50633_rtc_set_time, - .read_alarm = pcf50633_rtc_read_alarm, -diff -urNp linux-2.6.39.3/drivers/rtc/rtc-pl031.c linux-2.6.39.3/drivers/rtc/rtc-pl031.c ---- linux-2.6.39.3/drivers/rtc/rtc-pl031.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/rtc/rtc-pl031.c 2011-05-22 19:36:32.000000000 -0400 -@@ -374,7 +374,7 @@ err_req: - } - - /* Operations for the original ARM version */ --static struct rtc_class_ops arm_pl031_ops = { -+static const struct rtc_class_ops arm_pl031_ops = { - .read_time = pl031_read_time, - .set_time = pl031_set_time, - .read_alarm = pl031_read_alarm, -@@ -383,7 +383,7 @@ static struct rtc_class_ops arm_pl031_op - }; - - /* The First ST derivative */ --static struct rtc_class_ops stv1_pl031_ops = { -+static const struct rtc_class_ops stv1_pl031_ops = { - .read_time = pl031_read_time, - .set_time = pl031_set_time, - .read_alarm = pl031_read_alarm, -@@ -392,7 +392,7 @@ static struct rtc_class_ops stv1_pl031_o - }; - - /* And the second ST derivative */ --static struct rtc_class_ops stv2_pl031_ops = { -+static const struct rtc_class_ops stv2_pl031_ops = { - .read_time = pl031_stv2_read_time, - .set_time = pl031_stv2_set_time, - .read_alarm = pl031_stv2_read_alarm, -diff -urNp linux-2.6.39.3/drivers/rtc/rtc-rx8025.c linux-2.6.39.3/drivers/rtc/rtc-rx8025.c ---- linux-2.6.39.3/drivers/rtc/rtc-rx8025.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/rtc/rtc-rx8025.c 2011-05-22 19:36:32.000000000 -0400 -@@ -424,7 +424,7 @@ static int rx8025_alarm_irq_enable(struc - return 0; - } - --static struct rtc_class_ops rx8025_rtc_ops = { -+static const struct rtc_class_ops rx8025_rtc_ops = { - .read_time = rx8025_get_time, - .set_time = rx8025_set_time, - .read_alarm = rx8025_read_alarm, -diff -urNp linux-2.6.39.3/drivers/rtc/rtc-sh.c linux-2.6.39.3/drivers/rtc/rtc-sh.c ---- linux-2.6.39.3/drivers/rtc/rtc-sh.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/rtc/rtc-sh.c 2011-05-22 19:36:32.000000000 -0400 -@@ -576,7 +576,7 @@ static int sh_rtc_set_alarm(struct devic - return 0; - } - --static struct rtc_class_ops sh_rtc_ops = { -+static const struct rtc_class_ops sh_rtc_ops = { - .read_time = sh_rtc_read_time, - .set_time = sh_rtc_set_time, - .read_alarm = sh_rtc_read_alarm, -diff -urNp linux-2.6.39.3/drivers/rtc/rtc-stmp3xxx.c linux-2.6.39.3/drivers/rtc/rtc-stmp3xxx.c ---- linux-2.6.39.3/drivers/rtc/rtc-stmp3xxx.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/rtc/rtc-stmp3xxx.c 2011-05-22 19:36:32.000000000 -0400 -@@ -133,7 +133,7 @@ static int stmp3xxx_rtc_set_alarm(struct - return 0; - } - --static struct rtc_class_ops stmp3xxx_rtc_ops = { -+static const struct rtc_class_ops stmp3xxx_rtc_ops = { - .alarm_irq_enable = - stmp3xxx_alarm_irq_enable, - .read_time = stmp3xxx_rtc_gettime, -diff -urNp linux-2.6.39.3/drivers/rtc/rtc-tegra.c linux-2.6.39.3/drivers/rtc/rtc-tegra.c ---- linux-2.6.39.3/drivers/rtc/rtc-tegra.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/rtc/rtc-tegra.c 2011-05-22 19:36:32.000000000 -0400 -@@ -294,7 +294,7 @@ static irqreturn_t tegra_rtc_irq_handler - return IRQ_HANDLED; - } - --static struct rtc_class_ops tegra_rtc_ops = { -+static const struct rtc_class_ops tegra_rtc_ops = { - .read_time = tegra_rtc_read_time, - .set_time = tegra_rtc_set_time, - .read_alarm = tegra_rtc_read_alarm, -diff -urNp linux-2.6.39.3/drivers/rtc/rtc-twl.c linux-2.6.39.3/drivers/rtc/rtc-twl.c ---- linux-2.6.39.3/drivers/rtc/rtc-twl.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/rtc/rtc-twl.c 2011-05-22 19:36:32.000000000 -0400 -@@ -415,7 +415,7 @@ out: - return ret; - } - --static struct rtc_class_ops twl_rtc_ops = { -+static const struct rtc_class_ops twl_rtc_ops = { - .read_time = twl_rtc_read_time, - .set_time = twl_rtc_set_time, - .read_alarm = twl_rtc_read_alarm, -diff -urNp linux-2.6.39.3/drivers/rtc/rtc-v3020.c linux-2.6.39.3/drivers/rtc/rtc-v3020.c ---- linux-2.6.39.3/drivers/rtc/rtc-v3020.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/rtc/rtc-v3020.c 2011-05-22 19:36:32.000000000 -0400 -@@ -62,7 +62,7 @@ struct v3020 { - /* GPIO access */ - struct v3020_gpio *gpio; - -- struct v3020_chip_ops *ops; -+ const struct v3020_chip_ops *ops; - - struct rtc_device *rtc; - }; -@@ -100,7 +100,7 @@ static unsigned char v3020_mmio_read_bit - return !!(readl(chip->ioaddress) & (1 << chip->leftshift)); - } - --static struct v3020_chip_ops v3020_mmio_ops = { -+static const struct v3020_chip_ops v3020_mmio_ops = { - .map_io = v3020_mmio_map, - .unmap_io = v3020_mmio_unmap, - .read_bit = v3020_mmio_read_bit, -@@ -177,7 +177,7 @@ static unsigned char v3020_gpio_read_bit - return bit; - } - --static struct v3020_chip_ops v3020_gpio_ops = { -+static const struct v3020_chip_ops v3020_gpio_ops = { - .map_io = v3020_gpio_map, - .unmap_io = v3020_gpio_unmap, - .read_bit = v3020_gpio_read_bit, -diff -urNp linux-2.6.39.3/drivers/s390/char/con3270.c linux-2.6.39.3/drivers/s390/char/con3270.c ---- linux-2.6.39.3/drivers/s390/char/con3270.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/s390/char/con3270.c 2011-05-22 19:36:32.000000000 -0400 -@@ -28,7 +28,7 @@ - #define CON3270_OUTPUT_BUFFER_SIZE 1024 - #define CON3270_STRING_PAGES 4 - --static struct raw3270_fn con3270_fn; -+static const struct raw3270_fn con3270_fn; - - /* - * Main 3270 console view data structure. -@@ -413,7 +413,7 @@ con3270_irq(struct con3270 *cp, struct r - } - - /* Console view to a 3270 device. */ --static struct raw3270_fn con3270_fn = { -+static const struct raw3270_fn con3270_fn = { - .activate = con3270_activate, - .deactivate = con3270_deactivate, - .intv = (void *) con3270_irq -diff -urNp linux-2.6.39.3/drivers/s390/char/fs3270.c linux-2.6.39.3/drivers/s390/char/fs3270.c ---- linux-2.6.39.3/drivers/s390/char/fs3270.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/s390/char/fs3270.c 2011-05-22 19:36:32.000000000 -0400 -@@ -24,7 +24,7 @@ - #include "raw3270.h" - #include "ctrlchar.h" - --static struct raw3270_fn fs3270_fn; -+static const struct raw3270_fn fs3270_fn; - - struct fs3270 { - struct raw3270_view view; -@@ -413,7 +413,7 @@ fs3270_release(struct raw3270_view *view - } - - /* View to a 3270 device. Can be console, tty or fullscreen. */ --static struct raw3270_fn fs3270_fn = { -+static const struct raw3270_fn fs3270_fn = { - .activate = fs3270_activate, - .deactivate = fs3270_deactivate, - .intv = (void *) fs3270_irq, -diff -urNp linux-2.6.39.3/drivers/s390/char/raw3270.c linux-2.6.39.3/drivers/s390/char/raw3270.c ---- linux-2.6.39.3/drivers/s390/char/raw3270.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/s390/char/raw3270.c 2011-05-22 19:36:32.000000000 -0400 -@@ -488,7 +488,7 @@ raw3270_init_irq(struct raw3270_view *vi - return RAW3270_IO_DONE; - } - --static struct raw3270_fn raw3270_init_fn = { -+static const struct raw3270_fn raw3270_init_fn = { - .intv = raw3270_init_irq - }; - -diff -urNp linux-2.6.39.3/drivers/s390/char/tty3270.c linux-2.6.39.3/drivers/s390/char/tty3270.c ---- linux-2.6.39.3/drivers/s390/char/tty3270.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/s390/char/tty3270.c 2011-05-22 19:36:32.000000000 -0400 -@@ -37,7 +37,7 @@ - struct tty_driver *tty3270_driver; - static int tty3270_max_index; - --static struct raw3270_fn tty3270_fn; -+static const struct raw3270_fn tty3270_fn; - - struct tty3270_cell { - unsigned char character; -@@ -834,7 +834,7 @@ tty3270_del_views(void) - } - } - --static struct raw3270_fn tty3270_fn = { -+static const struct raw3270_fn tty3270_fn = { - .activate = tty3270_activate, - .deactivate = tty3270_deactivate, - .intv = (void *) tty3270_irq, -diff -urNp linux-2.6.39.3/drivers/s390/cio/qdio_debug.c linux-2.6.39.3/drivers/s390/cio/qdio_debug.c ---- linux-2.6.39.3/drivers/s390/cio/qdio_debug.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/s390/cio/qdio_debug.c 2011-05-22 19:36:32.000000000 -0400 -@@ -225,7 +225,7 @@ static int qperf_seq_open(struct inode * - filp->f_path.dentry->d_inode->i_private); - } - --static struct file_operations debugfs_perf_fops = { -+static const struct file_operations debugfs_perf_fops = { - .owner = THIS_MODULE, - .open = qperf_seq_open, - .read = seq_read, -diff -urNp linux-2.6.39.3/drivers/s390/crypto/zcrypt_cex2a.c linux-2.6.39.3/drivers/s390/crypto/zcrypt_cex2a.c ---- linux-2.6.39.3/drivers/s390/crypto/zcrypt_cex2a.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/s390/crypto/zcrypt_cex2a.c 2011-05-22 19:36:32.000000000 -0400 -@@ -415,7 +415,7 @@ out_free: - /** - * The crypto operations for a CEX2A card. - */ --static struct zcrypt_ops zcrypt_cex2a_ops = { -+static const struct zcrypt_ops zcrypt_cex2a_ops = { - .rsa_modexpo = zcrypt_cex2a_modexpo, - .rsa_modexpo_crt = zcrypt_cex2a_modexpo_crt, - }; -diff -urNp linux-2.6.39.3/drivers/s390/crypto/zcrypt_pcica.c linux-2.6.39.3/drivers/s390/crypto/zcrypt_pcica.c ---- linux-2.6.39.3/drivers/s390/crypto/zcrypt_pcica.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/s390/crypto/zcrypt_pcica.c 2011-05-22 19:36:32.000000000 -0400 -@@ -347,7 +347,7 @@ out_free: - /** - * The crypto operations for a PCICA card. - */ --static struct zcrypt_ops zcrypt_pcica_ops = { -+static const struct zcrypt_ops zcrypt_pcica_ops = { - .rsa_modexpo = zcrypt_pcica_modexpo, - .rsa_modexpo_crt = zcrypt_pcica_modexpo_crt, - }; -diff -urNp linux-2.6.39.3/drivers/s390/crypto/zcrypt_pcicc.c linux-2.6.39.3/drivers/s390/crypto/zcrypt_pcicc.c ---- linux-2.6.39.3/drivers/s390/crypto/zcrypt_pcicc.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/s390/crypto/zcrypt_pcicc.c 2011-05-22 19:36:32.000000000 -0400 -@@ -553,7 +553,7 @@ out_free: - /** - * The crypto operations for a PCICC card. - */ --static struct zcrypt_ops zcrypt_pcicc_ops = { -+static const struct zcrypt_ops zcrypt_pcicc_ops = { - .rsa_modexpo = zcrypt_pcicc_modexpo, - .rsa_modexpo_crt = zcrypt_pcicc_modexpo_crt, - }; -diff -urNp linux-2.6.39.3/drivers/s390/crypto/zcrypt_pcixcc.c linux-2.6.39.3/drivers/s390/crypto/zcrypt_pcixcc.c ---- linux-2.6.39.3/drivers/s390/crypto/zcrypt_pcixcc.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/s390/crypto/zcrypt_pcixcc.c 2011-05-22 19:36:32.000000000 -0400 -@@ -851,13 +851,13 @@ static long zcrypt_pcixcc_rng(struct zcr - /** - * The crypto operations for a PCIXCC/CEX2C card. - */ --static struct zcrypt_ops zcrypt_pcixcc_ops = { -+static const struct zcrypt_ops zcrypt_pcixcc_ops = { - .rsa_modexpo = zcrypt_pcixcc_modexpo, - .rsa_modexpo_crt = zcrypt_pcixcc_modexpo_crt, - .send_cprb = zcrypt_pcixcc_send_cprb, - }; - --static struct zcrypt_ops zcrypt_pcixcc_with_rng_ops = { -+static const struct zcrypt_ops zcrypt_pcixcc_with_rng_ops = { - .rsa_modexpo = zcrypt_pcixcc_modexpo, - .rsa_modexpo_crt = zcrypt_pcixcc_modexpo_crt, - .send_cprb = zcrypt_pcixcc_send_cprb, -diff -urNp linux-2.6.39.3/drivers/s390/kvm/kvm_virtio.c linux-2.6.39.3/drivers/s390/kvm/kvm_virtio.c ---- linux-2.6.39.3/drivers/s390/kvm/kvm_virtio.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/s390/kvm/kvm_virtio.c 2011-05-22 19:36:32.000000000 -0400 -@@ -266,7 +266,7 @@ error: - /* - * The config ops structure as defined by virtio config - */ --static struct virtio_config_ops kvm_vq_configspace_ops = { -+static const struct virtio_config_ops kvm_vq_configspace_ops = { - .get_features = kvm_get_features, - .finalize_features = kvm_finalize_features, - .get = kvm_get, -diff -urNp linux-2.6.39.3/drivers/s390/net/qeth_core.h linux-2.6.39.3/drivers/s390/net/qeth_core.h ---- linux-2.6.39.3/drivers/s390/net/qeth_core.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/s390/net/qeth_core.h 2011-05-22 19:36:32.000000000 -0400 -@@ -743,7 +743,7 @@ struct qeth_card { - struct qeth_qdio_info qdio; - struct qeth_perf_stats perf_stats; - int read_or_write_problem; -- struct qeth_osn_info osn_info; -+ const struct qeth_osn_info osn_info; - struct qeth_discipline discipline; - atomic_t force_alloc_skb; - struct service_level qeth_service_level; -diff -urNp linux-2.6.39.3/drivers/scsi/53c700.c linux-2.6.39.3/drivers/scsi/53c700.c ---- linux-2.6.39.3/drivers/scsi/53c700.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/scsi/53c700.c 2011-05-22 19:36:32.000000000 -0400 -@@ -2153,7 +2153,7 @@ EXPORT_SYMBOL(NCR_700_detect); - EXPORT_SYMBOL(NCR_700_release); - EXPORT_SYMBOL(NCR_700_intr); - --static struct spi_function_template NCR_700_transport_functions = { -+static struct spi_function_template NCR_700_transport_functions = { - .set_period = NCR_700_set_period, - .show_period = 1, - .set_offset = NCR_700_set_offset, -diff -urNp linux-2.6.39.3/drivers/scsi/aacraid/commctrl.c linux-2.6.39.3/drivers/scsi/aacraid/commctrl.c ---- linux-2.6.39.3/drivers/scsi/aacraid/commctrl.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/scsi/aacraid/commctrl.c 2011-05-22 19:36:32.000000000 -0400 -@@ -482,6 +482,7 @@ static int aac_send_raw_srb(struct aac_d - u32 actual_fibsize64, actual_fibsize = 0; - int i; - -+ pax_track_stack(); - - if (dev->in_reset) { - dprintk((KERN_DEBUG"aacraid: send raw srb -EBUSY\n")); -diff -urNp linux-2.6.39.3/drivers/scsi/aic94xx/aic94xx_init.c linux-2.6.39.3/drivers/scsi/aic94xx/aic94xx_init.c ---- linux-2.6.39.3/drivers/scsi/aic94xx/aic94xx_init.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/scsi/aic94xx/aic94xx_init.c 2011-05-22 19:41:37.000000000 -0400 -@@ -486,7 +486,7 @@ static ssize_t asd_show_update_bios(stru - flash_error_table[i].reason); - } - --static DEVICE_ATTR(update_bios, S_IRUGO|S_IWUGO, -+static DEVICE_ATTR(update_bios, S_IRUGO|S_IWUSR, - asd_show_update_bios, asd_store_update_bios); - - static int asd_create_dev_attrs(struct asd_ha_struct *asd_ha) -diff -urNp linux-2.6.39.3/drivers/scsi/bfa/bfa_core.c linux-2.6.39.3/drivers/scsi/bfa/bfa_core.c ---- linux-2.6.39.3/drivers/scsi/bfa/bfa_core.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/scsi/bfa/bfa_core.c 2011-05-22 19:36:32.000000000 -0400 -@@ -24,7 +24,7 @@ BFA_TRC_FILE(HAL, CORE); - /* - * BFA module list terminated by NULL - */ --static struct bfa_module_s *hal_mods[] = { -+static const struct bfa_module_s *hal_mods[] = { - &hal_mod_sgpg, - &hal_mod_fcport, - &hal_mod_fcxp, -diff -urNp linux-2.6.39.3/drivers/scsi/bfa/bfad.c linux-2.6.39.3/drivers/scsi/bfa/bfad.c ---- linux-2.6.39.3/drivers/scsi/bfa/bfad.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/scsi/bfa/bfad.c 2011-05-22 19:36:32.000000000 -0400 -@@ -1027,6 +1027,8 @@ bfad_start_ops(struct bfad_s *bfad) { - struct bfad_vport_s *vport, *vport_new; - struct bfa_fcs_driver_info_s driver_info; - -+ pax_track_stack(); -+ - /* Fill the driver_info info to fcs*/ - memset(&driver_info, 0, sizeof(driver_info)); - strncpy(driver_info.version, BFAD_DRIVER_VERSION, -diff -urNp linux-2.6.39.3/drivers/scsi/bfa/bfa_fcs.c linux-2.6.39.3/drivers/scsi/bfa/bfa_fcs.c ---- linux-2.6.39.3/drivers/scsi/bfa/bfa_fcs.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/scsi/bfa/bfa_fcs.c 2011-05-22 19:36:32.000000000 -0400 -@@ -70,7 +70,7 @@ bfa_fcs_attach(struct bfa_fcs_s *fcs, st - bfa_boolean_t min_cfg) - { - int i; -- struct bfa_fcs_mod_s *mod; -+ const struct bfa_fcs_mod_s *mod; - - fcs->bfa = bfa; - fcs->bfad = bfad; -@@ -93,7 +93,7 @@ void - bfa_fcs_init(struct bfa_fcs_s *fcs) - { - int i, npbc_vports; -- struct bfa_fcs_mod_s *mod; -+ const struct bfa_fcs_mod_s *mod; - struct bfi_pbc_vport_s pbc_vports[BFI_PBC_MAX_VPORTS]; - - for (i = 0; i < sizeof(fcs_modules) / sizeof(fcs_modules[0]); i++) { -@@ -140,7 +140,7 @@ bfa_fcs_driver_info_init(struct bfa_fcs_ - void - bfa_fcs_exit(struct bfa_fcs_s *fcs) - { -- struct bfa_fcs_mod_s *mod; -+ const struct bfa_fcs_mod_s *mod; - int nmods, i; - - bfa_wc_init(&fcs->wc, bfa_fcs_exit_comp, fcs); -diff -urNp linux-2.6.39.3/drivers/scsi/bfa/bfa_fcs_lport.c linux-2.6.39.3/drivers/scsi/bfa/bfa_fcs_lport.c ---- linux-2.6.39.3/drivers/scsi/bfa/bfa_fcs_lport.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/scsi/bfa/bfa_fcs_lport.c 2011-05-22 19:36:32.000000000 -0400 -@@ -1559,6 +1559,8 @@ bfa_fcs_lport_fdmi_build_rhba_pyld(struc - u16 len, count; - u16 templen; - -+ pax_track_stack(); -+ - /* - * get hba attributes - */ -@@ -1836,6 +1838,8 @@ bfa_fcs_lport_fdmi_build_portattr_block( - u8 count = 0; - u16 templen; - -+ pax_track_stack(); -+ - /* - * get port attributes - */ -diff -urNp linux-2.6.39.3/drivers/scsi/bfa/bfa_fcs_rport.c linux-2.6.39.3/drivers/scsi/bfa/bfa_fcs_rport.c ---- linux-2.6.39.3/drivers/scsi/bfa/bfa_fcs_rport.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/scsi/bfa/bfa_fcs_rport.c 2011-05-22 19:36:32.000000000 -0400 -@@ -1844,6 +1844,8 @@ bfa_fcs_rport_process_rpsc(struct bfa_fc - struct fc_rpsc_speed_info_s speeds; - struct bfa_port_attr_s pport_attr; - -+ pax_track_stack(); -+ - bfa_trc(port->fcs, rx_fchs->s_id); - bfa_trc(port->fcs, rx_fchs->d_id); - -diff -urNp linux-2.6.39.3/drivers/scsi/bfa/bfa_modules.h linux-2.6.39.3/drivers/scsi/bfa/bfa_modules.h ---- linux-2.6.39.3/drivers/scsi/bfa/bfa_modules.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/scsi/bfa/bfa_modules.h 2011-05-22 19:36:32.000000000 -0400 -@@ -68,8 +68,8 @@ enum { - static void bfa_ ## __mod ## _stop(struct bfa_s *bfa); \ - static void bfa_ ## __mod ## _iocdisable(struct bfa_s *bfa); \ - \ -- extern struct bfa_module_s hal_mod_ ## __mod; \ -- struct bfa_module_s hal_mod_ ## __mod = { \ -+ extern const struct bfa_module_s hal_mod_ ## __mod; \ -+ const struct bfa_module_s hal_mod_ ## __mod = { \ - bfa_ ## __mod ## _meminfo, \ - bfa_ ## __mod ## _attach, \ - bfa_ ## __mod ## _detach, \ -@@ -116,12 +116,12 @@ struct bfa_s { - }; - - extern bfa_boolean_t bfa_auto_recover; --extern struct bfa_module_s hal_mod_sgpg; --extern struct bfa_module_s hal_mod_fcport; --extern struct bfa_module_s hal_mod_fcxp; --extern struct bfa_module_s hal_mod_lps; --extern struct bfa_module_s hal_mod_uf; --extern struct bfa_module_s hal_mod_rport; --extern struct bfa_module_s hal_mod_fcpim; -+extern const struct bfa_module_s hal_mod_sgpg; -+extern const struct bfa_module_s hal_mod_fcport; -+extern const struct bfa_module_s hal_mod_fcxp; -+extern const struct bfa_module_s hal_mod_lps; -+extern const struct bfa_module_s hal_mod_uf; -+extern const struct bfa_module_s hal_mod_rport; -+extern const struct bfa_module_s hal_mod_fcpim; - - #endif /* __BFA_MODULES_H__ */ -diff -urNp linux-2.6.39.3/drivers/scsi/BusLogic.c linux-2.6.39.3/drivers/scsi/BusLogic.c ---- linux-2.6.39.3/drivers/scsi/BusLogic.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/scsi/BusLogic.c 2011-05-22 19:36:32.000000000 -0400 -@@ -962,6 +962,8 @@ static int __init BusLogic_InitializeFla - static void __init BusLogic_InitializeProbeInfoList(struct BusLogic_HostAdapter - *PrototypeHostAdapter) - { -+ pax_track_stack(); -+ - /* - If a PCI BIOS is present, interrogate it for MultiMaster and FlashPoint - Host Adapters; otherwise, default to the standard ISA MultiMaster probe. -diff -urNp linux-2.6.39.3/drivers/scsi/dpt_i2o.c linux-2.6.39.3/drivers/scsi/dpt_i2o.c ---- linux-2.6.39.3/drivers/scsi/dpt_i2o.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/scsi/dpt_i2o.c 2011-05-22 19:36:32.000000000 -0400 -@@ -1811,6 +1811,8 @@ static int adpt_i2o_passthru(adpt_hba* p - dma_addr_t addr; - ulong flags = 0; - -+ pax_track_stack(); -+ - memset(&msg, 0, MAX_MESSAGE_SIZE*4); - // get user msg size in u32s - if(get_user(size, &user_msg[0])){ -@@ -2317,6 +2319,8 @@ static s32 adpt_scsi_to_i2o(adpt_hba* pH - s32 rcode; - dma_addr_t addr; - -+ pax_track_stack(); -+ - memset(msg, 0 , sizeof(msg)); - len = scsi_bufflen(cmd); - direction = 0x00000000; -diff -urNp linux-2.6.39.3/drivers/scsi/eata.c linux-2.6.39.3/drivers/scsi/eata.c ---- linux-2.6.39.3/drivers/scsi/eata.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/scsi/eata.c 2011-05-22 19:36:32.000000000 -0400 -@@ -1087,6 +1087,8 @@ static int port_detect(unsigned long por - struct hostdata *ha; - char name[16]; - -+ pax_track_stack(); -+ - sprintf(name, "%s%d", driver_name, j); - - if (!request_region(port_base, REGION_SIZE, driver_name)) { -diff -urNp linux-2.6.39.3/drivers/scsi/esp_scsi.c linux-2.6.39.3/drivers/scsi/esp_scsi.c ---- linux-2.6.39.3/drivers/scsi/esp_scsi.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/scsi/esp_scsi.c 2011-05-22 19:36:32.000000000 -0400 -@@ -2680,7 +2680,7 @@ static void esp_set_width(struct scsi_ta - tp->flags |= ESP_TGT_CHECK_NEGO; - } - --static struct spi_function_template esp_transport_ops = { -+static const struct spi_function_template esp_transport_ops = { - .set_offset = esp_set_offset, - .show_offset = 1, - .set_period = esp_set_period, -diff -urNp linux-2.6.39.3/drivers/scsi/fcoe/fcoe.c linux-2.6.39.3/drivers/scsi/fcoe/fcoe.c ---- linux-2.6.39.3/drivers/scsi/fcoe/fcoe.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/scsi/fcoe/fcoe.c 2011-05-22 19:36:32.000000000 -0400 -@@ -138,7 +138,7 @@ static int fcoe_vport_disable(struct fc_ - static void fcoe_set_vport_symbolic_name(struct fc_vport *); - static void fcoe_set_port_id(struct fc_lport *, u32, struct fc_frame *); - --static struct libfc_function_template fcoe_libfc_fcn_templ = { -+static const struct libfc_function_template fcoe_libfc_fcn_templ = { - .frame_send = fcoe_xmit, - .ddp_setup = fcoe_ddp_setup, - .ddp_done = fcoe_ddp_done, -diff -urNp linux-2.6.39.3/drivers/scsi/fcoe/fcoe_ctlr.c linux-2.6.39.3/drivers/scsi/fcoe/fcoe_ctlr.c ---- linux-2.6.39.3/drivers/scsi/fcoe/fcoe_ctlr.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/scsi/fcoe/fcoe_ctlr.c 2011-05-22 19:36:32.000000000 -0400 -@@ -1912,7 +1912,7 @@ static void fcoe_ctlr_vn_rport_callback( - mutex_unlock(&fip->ctlr_mutex); - } - --static struct fc_rport_operations fcoe_ctlr_vn_rport_ops = { -+static const struct fc_rport_operations fcoe_ctlr_vn_rport_ops = { - .event_callback = fcoe_ctlr_vn_rport_callback, - }; - -@@ -2458,6 +2458,8 @@ static int fcoe_ctlr_vn_recv(struct fcoe - } buf; - int rc; - -+ pax_track_stack(); -+ - fiph = (struct fip_header *)skb->data; - sub = fiph->fip_subcode; - -diff -urNp linux-2.6.39.3/drivers/scsi/fnic/fnic_main.c linux-2.6.39.3/drivers/scsi/fnic/fnic_main.c ---- linux-2.6.39.3/drivers/scsi/fnic/fnic_main.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/scsi/fnic/fnic_main.c 2011-05-22 19:36:32.000000000 -0400 -@@ -69,7 +69,7 @@ module_param(fnic_log_level, int, S_IRUG - MODULE_PARM_DESC(fnic_log_level, "bit mask of fnic logging levels"); - - --static struct libfc_function_template fnic_transport_template = { -+static const struct libfc_function_template fnic_transport_template = { - .frame_send = fnic_send, - .lport_set_port_id = fnic_set_port_id, - .fcp_abort_io = fnic_empty_scsi_cleanup, -diff -urNp linux-2.6.39.3/drivers/scsi/gdth.c linux-2.6.39.3/drivers/scsi/gdth.c ---- linux-2.6.39.3/drivers/scsi/gdth.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/scsi/gdth.c 2011-05-22 19:36:32.000000000 -0400 -@@ -4107,6 +4107,8 @@ static int ioc_lockdrv(void __user *arg) - unsigned long flags; - gdth_ha_str *ha; - -+ pax_track_stack(); -+ - if (copy_from_user(&ldrv, arg, sizeof(gdth_ioctl_lockdrv))) - return -EFAULT; - ha = gdth_find_ha(ldrv.ionode); -@@ -4139,6 +4141,8 @@ static int ioc_resetdrv(void __user *arg - gdth_ha_str *ha; - int rval; - -+ pax_track_stack(); -+ - if (copy_from_user(&res, arg, sizeof(gdth_ioctl_reset)) || - res.number >= MAX_HDRIVES) - return -EFAULT; -@@ -4174,6 +4178,8 @@ static int ioc_general(void __user *arg, - gdth_ha_str *ha; - int rval; - -+ pax_track_stack(); -+ - if (copy_from_user(&gen, arg, sizeof(gdth_ioctl_general))) - return -EFAULT; - ha = gdth_find_ha(gen.ionode); -@@ -4642,6 +4648,9 @@ static void gdth_flush(gdth_ha_str *ha) - int i; - gdth_cmd_str gdtcmd; - char cmnd[MAX_COMMAND_SIZE]; -+ -+ pax_track_stack(); -+ - memset(cmnd, 0xff, MAX_COMMAND_SIZE); - - TRACE2(("gdth_flush() hanum %d\n", ha->hanum)); -diff -urNp linux-2.6.39.3/drivers/scsi/gdth_proc.c linux-2.6.39.3/drivers/scsi/gdth_proc.c ---- linux-2.6.39.3/drivers/scsi/gdth_proc.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/scsi/gdth_proc.c 2011-05-22 19:36:32.000000000 -0400 -@@ -47,6 +47,9 @@ static int gdth_set_asc_info(struct Scsi - u64 paddr; - - char cmnd[MAX_COMMAND_SIZE]; -+ -+ pax_track_stack(); -+ - memset(cmnd, 0xff, 12); - memset(&gdtcmd, 0, sizeof(gdth_cmd_str)); - -@@ -175,6 +178,8 @@ static int gdth_get_info(char *buffer,ch - gdth_hget_str *phg; - char cmnd[MAX_COMMAND_SIZE]; - -+ pax_track_stack(); -+ - gdtcmd = kmalloc(sizeof(*gdtcmd), GFP_KERNEL); - estr = kmalloc(sizeof(*estr), GFP_KERNEL); - if (!gdtcmd || !estr) -diff -urNp linux-2.6.39.3/drivers/scsi/hosts.c linux-2.6.39.3/drivers/scsi/hosts.c ---- linux-2.6.39.3/drivers/scsi/hosts.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/scsi/hosts.c 2011-05-22 19:36:32.000000000 -0400 -@@ -42,7 +42,7 @@ - #include "scsi_logging.h" - - --static atomic_t scsi_host_next_hn; /* host_no for next new host */ -+static atomic_unchecked_t scsi_host_next_hn; /* host_no for next new host */ - - - static void scsi_host_cls_release(struct device *dev) -@@ -354,7 +354,7 @@ struct Scsi_Host *scsi_host_alloc(struct - * subtract one because we increment first then return, but we need to - * know what the next host number was before increment - */ -- shost->host_no = atomic_inc_return(&scsi_host_next_hn) - 1; -+ shost->host_no = atomic_inc_return_unchecked(&scsi_host_next_hn) - 1; - shost->dma_channel = 0xff; - - /* These three are default values which can be overridden */ -diff -urNp linux-2.6.39.3/drivers/scsi/hpsa.h linux-2.6.39.3/drivers/scsi/hpsa.h ---- linux-2.6.39.3/drivers/scsi/hpsa.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/scsi/hpsa.h 2011-05-22 19:36:32.000000000 -0400 -@@ -347,7 +347,7 @@ static struct access_method SA5_access = - SA5_completed, - }; - --static struct access_method SA5_performant_access = { -+static const struct access_method SA5_performant_access = { - SA5_submit_command, - SA5_performant_intr_mask, - SA5_fifo_full, -diff -urNp linux-2.6.39.3/drivers/scsi/hptiop.c linux-2.6.39.3/drivers/scsi/hptiop.c ---- linux-2.6.39.3/drivers/scsi/hptiop.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/scsi/hptiop.c 2011-05-22 19:36:32.000000000 -0400 -@@ -1226,7 +1226,7 @@ static void hptiop_remove(struct pci_dev - scsi_host_put(host); - } - --static struct hptiop_adapter_ops hptiop_itl_ops = { -+static const struct hptiop_adapter_ops hptiop_itl_ops = { - .iop_wait_ready = iop_wait_ready_itl, - .internal_memalloc = NULL, - .internal_memfree = NULL, -@@ -1241,7 +1241,7 @@ static struct hptiop_adapter_ops hptiop_ - .post_req = hptiop_post_req_itl, - }; - --static struct hptiop_adapter_ops hptiop_mv_ops = { -+static const struct hptiop_adapter_ops hptiop_mv_ops = { - .iop_wait_ready = iop_wait_ready_mv, - .internal_memalloc = hptiop_internal_memalloc_mv, - .internal_memfree = hptiop_internal_memfree_mv, -diff -urNp linux-2.6.39.3/drivers/scsi/ibmvscsi/ibmvfc.c linux-2.6.39.3/drivers/scsi/ibmvscsi/ibmvfc.c ---- linux-2.6.39.3/drivers/scsi/ibmvscsi/ibmvfc.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/scsi/ibmvscsi/ibmvfc.c 2011-05-22 19:36:32.000000000 -0400 -@@ -4881,7 +4881,7 @@ static struct vio_device_id ibmvfc_devic - }; - MODULE_DEVICE_TABLE(vio, ibmvfc_device_table); - --static struct dev_pm_ops ibmvfc_pm_ops = { -+static const struct dev_pm_ops ibmvfc_pm_ops = { - .resume = ibmvfc_resume - }; - -diff -urNp linux-2.6.39.3/drivers/scsi/ibmvscsi/ibmvscsi.c linux-2.6.39.3/drivers/scsi/ibmvscsi/ibmvscsi.c ---- linux-2.6.39.3/drivers/scsi/ibmvscsi/ibmvscsi.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/scsi/ibmvscsi/ibmvscsi.c 2011-05-22 19:36:32.000000000 -0400 -@@ -104,7 +104,7 @@ static struct scsi_transport_template *i - - #define IBMVSCSI_VERSION "1.5.9" - --static struct ibmvscsi_ops *ibmvscsi_ops; -+static const struct ibmvscsi_ops *ibmvscsi_ops; - - MODULE_DESCRIPTION("IBM Virtual SCSI"); - MODULE_AUTHOR("Dave Boutcher"); -@@ -2059,7 +2059,7 @@ static struct vio_device_id ibmvscsi_dev - }; - MODULE_DEVICE_TABLE(vio, ibmvscsi_device_table); - --static struct dev_pm_ops ibmvscsi_pm_ops = { -+static const struct dev_pm_ops ibmvscsi_pm_ops = { - .resume = ibmvscsi_resume - }; - -@@ -2075,7 +2075,7 @@ static struct vio_driver ibmvscsi_driver - } - }; - --static struct srp_function_template ibmvscsi_transport_functions = { -+static const struct srp_function_template ibmvscsi_transport_functions = { - }; - - int __init ibmvscsi_module_init(void) -diff -urNp linux-2.6.39.3/drivers/scsi/ibmvscsi/ibmvscsi.h linux-2.6.39.3/drivers/scsi/ibmvscsi/ibmvscsi.h ---- linux-2.6.39.3/drivers/scsi/ibmvscsi/ibmvscsi.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/scsi/ibmvscsi/ibmvscsi.h 2011-05-22 19:36:32.000000000 -0400 -@@ -127,7 +127,7 @@ struct ibmvscsi_ops { - int (*resume) (struct ibmvscsi_host_data *hostdata); - }; - --extern struct ibmvscsi_ops iseriesvscsi_ops; --extern struct ibmvscsi_ops rpavscsi_ops; -+extern const struct ibmvscsi_ops iseriesvscsi_ops; -+extern const struct ibmvscsi_ops rpavscsi_ops; - - #endif /* IBMVSCSI_H */ -diff -urNp linux-2.6.39.3/drivers/scsi/ibmvscsi/ibmvstgt.c linux-2.6.39.3/drivers/scsi/ibmvscsi/ibmvstgt.c ---- linux-2.6.39.3/drivers/scsi/ibmvscsi/ibmvstgt.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/scsi/ibmvscsi/ibmvstgt.c 2011-05-22 19:36:32.000000000 -0400 -@@ -951,7 +951,7 @@ static int get_system_info(void) - return 0; - } - --static struct srp_function_template ibmvstgt_transport_functions = { -+static const struct srp_function_template ibmvstgt_transport_functions = { - .tsk_mgmt_response = ibmvstgt_tsk_mgmt_response, - .it_nexus_response = ibmvstgt_it_nexus_response, - }; -diff -urNp linux-2.6.39.3/drivers/scsi/ibmvscsi/iseries_vscsi.c linux-2.6.39.3/drivers/scsi/ibmvscsi/iseries_vscsi.c ---- linux-2.6.39.3/drivers/scsi/ibmvscsi/iseries_vscsi.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/scsi/ibmvscsi/iseries_vscsi.c 2011-05-22 19:36:32.000000000 -0400 -@@ -163,7 +163,7 @@ static int iseriesvscsi_resume(struct ib - return 0; - } - --struct ibmvscsi_ops iseriesvscsi_ops = { -+const struct ibmvscsi_ops iseriesvscsi_ops = { - .init_crq_queue = iseriesvscsi_init_crq_queue, - .release_crq_queue = iseriesvscsi_release_crq_queue, - .reset_crq_queue = iseriesvscsi_reset_crq_queue, -diff -urNp linux-2.6.39.3/drivers/scsi/ibmvscsi/rpa_vscsi.c linux-2.6.39.3/drivers/scsi/ibmvscsi/rpa_vscsi.c ---- linux-2.6.39.3/drivers/scsi/ibmvscsi/rpa_vscsi.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/scsi/ibmvscsi/rpa_vscsi.c 2011-05-22 19:36:32.000000000 -0400 -@@ -358,7 +358,7 @@ static int rpavscsi_resume(struct ibmvsc - return 0; - } - --struct ibmvscsi_ops rpavscsi_ops = { -+const struct ibmvscsi_ops rpavscsi_ops = { - .init_crq_queue = rpavscsi_init_crq_queue, - .release_crq_queue = rpavscsi_release_crq_queue, - .reset_crq_queue = rpavscsi_reset_crq_queue, -diff -urNp linux-2.6.39.3/drivers/scsi/ipr.c linux-2.6.39.3/drivers/scsi/ipr.c ---- linux-2.6.39.3/drivers/scsi/ipr.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/scsi/ipr.c 2011-05-22 19:36:32.000000000 -0400 -@@ -6210,7 +6210,7 @@ static bool ipr_qc_fill_rtf(struct ata_q - return true; - } - --static struct ata_port_operations ipr_sata_ops = { -+static const struct ata_port_operations ipr_sata_ops = { - .phy_reset = ipr_ata_phy_reset, - .hardreset = ipr_sata_reset, - .post_internal_cmd = ipr_ata_post_internal, -diff -urNp linux-2.6.39.3/drivers/scsi/libfc/fc_exch.c linux-2.6.39.3/drivers/scsi/libfc/fc_exch.c ---- linux-2.6.39.3/drivers/scsi/libfc/fc_exch.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/scsi/libfc/fc_exch.c 2011-05-22 19:36:32.000000000 -0400 -@@ -105,12 +105,12 @@ struct fc_exch_mgr { - * all together if not used XXX - */ - struct { -- atomic_t no_free_exch; -- atomic_t no_free_exch_xid; -- atomic_t xid_not_found; -- atomic_t xid_busy; -- atomic_t seq_not_found; -- atomic_t non_bls_resp; -+ atomic_unchecked_t no_free_exch; -+ atomic_unchecked_t no_free_exch_xid; -+ atomic_unchecked_t xid_not_found; -+ atomic_unchecked_t xid_busy; -+ atomic_unchecked_t seq_not_found; -+ atomic_unchecked_t non_bls_resp; - } stats; - }; - -@@ -700,7 +700,7 @@ static struct fc_exch *fc_exch_em_alloc( - /* allocate memory for exchange */ - ep = mempool_alloc(mp->ep_pool, GFP_ATOMIC); - if (!ep) { -- atomic_inc(&mp->stats.no_free_exch); -+ atomic_inc_unchecked(&mp->stats.no_free_exch); - goto out; - } - memset(ep, 0, sizeof(*ep)); -@@ -761,7 +761,7 @@ out: - return ep; - err: - spin_unlock_bh(&pool->lock); -- atomic_inc(&mp->stats.no_free_exch_xid); -+ atomic_inc_unchecked(&mp->stats.no_free_exch_xid); - mempool_free(ep, mp->ep_pool); - return NULL; - } -@@ -906,7 +906,7 @@ static enum fc_pf_rjt_reason fc_seq_look - xid = ntohs(fh->fh_ox_id); /* we originated exch */ - ep = fc_exch_find(mp, xid); - if (!ep) { -- atomic_inc(&mp->stats.xid_not_found); -+ atomic_inc_unchecked(&mp->stats.xid_not_found); - reject = FC_RJT_OX_ID; - goto out; - } -@@ -936,7 +936,7 @@ static enum fc_pf_rjt_reason fc_seq_look - ep = fc_exch_find(mp, xid); - if ((f_ctl & FC_FC_FIRST_SEQ) && fc_sof_is_init(fr_sof(fp))) { - if (ep) { -- atomic_inc(&mp->stats.xid_busy); -+ atomic_inc_unchecked(&mp->stats.xid_busy); - reject = FC_RJT_RX_ID; - goto rel; - } -@@ -947,7 +947,7 @@ static enum fc_pf_rjt_reason fc_seq_look - } - xid = ep->xid; /* get our XID */ - } else if (!ep) { -- atomic_inc(&mp->stats.xid_not_found); -+ atomic_inc_unchecked(&mp->stats.xid_not_found); - reject = FC_RJT_RX_ID; /* XID not found */ - goto out; - } -@@ -964,7 +964,7 @@ static enum fc_pf_rjt_reason fc_seq_look - } else { - sp = &ep->seq; - if (sp->id != fh->fh_seq_id) { -- atomic_inc(&mp->stats.seq_not_found); -+ atomic_inc_unchecked(&mp->stats.seq_not_found); - reject = FC_RJT_SEQ_ID; /* sequence/exch should exist */ - goto rel; - } -@@ -1392,22 +1392,22 @@ static void fc_exch_recv_seq_resp(struct - - ep = fc_exch_find(mp, ntohs(fh->fh_ox_id)); - if (!ep) { -- atomic_inc(&mp->stats.xid_not_found); -+ atomic_inc_unchecked(&mp->stats.xid_not_found); - goto out; - } - if (ep->esb_stat & ESB_ST_COMPLETE) { -- atomic_inc(&mp->stats.xid_not_found); -+ atomic_inc_unchecked(&mp->stats.xid_not_found); - goto rel; - } - if (ep->rxid == FC_XID_UNKNOWN) - ep->rxid = ntohs(fh->fh_rx_id); - if (ep->sid != 0 && ep->sid != ntoh24(fh->fh_d_id)) { -- atomic_inc(&mp->stats.xid_not_found); -+ atomic_inc_unchecked(&mp->stats.xid_not_found); - goto rel; - } - if (ep->did != ntoh24(fh->fh_s_id) && - ep->did != FC_FID_FLOGI) { -- atomic_inc(&mp->stats.xid_not_found); -+ atomic_inc_unchecked(&mp->stats.xid_not_found); - goto rel; - } - sof = fr_sof(fp); -@@ -1416,7 +1416,7 @@ static void fc_exch_recv_seq_resp(struct - sp->ssb_stat |= SSB_ST_RESP; - sp->id = fh->fh_seq_id; - } else if (sp->id != fh->fh_seq_id) { -- atomic_inc(&mp->stats.seq_not_found); -+ atomic_inc_unchecked(&mp->stats.seq_not_found); - goto rel; - } - -@@ -1479,9 +1479,9 @@ static void fc_exch_recv_resp(struct fc_ - sp = fc_seq_lookup_orig(mp, fp); /* doesn't hold sequence */ - - if (!sp) -- atomic_inc(&mp->stats.xid_not_found); -+ atomic_inc_unchecked(&mp->stats.xid_not_found); - else -- atomic_inc(&mp->stats.non_bls_resp); -+ atomic_inc_unchecked(&mp->stats.non_bls_resp); - - fc_frame_free(fp); - } -diff -urNp linux-2.6.39.3/drivers/scsi/libfc/fc_lport.c linux-2.6.39.3/drivers/scsi/libfc/fc_lport.c ---- linux-2.6.39.3/drivers/scsi/libfc/fc_lport.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/scsi/libfc/fc_lport.c 2011-05-22 19:36:32.000000000 -0400 -@@ -1299,7 +1299,7 @@ static void fc_lport_enter_ns(struct fc_ - fc_lport_error(lport, fp); - } - --static struct fc_rport_operations fc_lport_rport_ops = { -+static const struct fc_rport_operations fc_lport_rport_ops = { - .event_callback = fc_lport_rport_callback, - }; - -diff -urNp linux-2.6.39.3/drivers/scsi/libfc/fc_rport.c linux-2.6.39.3/drivers/scsi/libfc/fc_rport.c ---- linux-2.6.39.3/drivers/scsi/libfc/fc_rport.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/scsi/libfc/fc_rport.c 2011-05-22 19:36:32.000000000 -0400 -@@ -256,7 +256,7 @@ static void fc_rport_work(struct work_st - struct fc_rport_libfc_priv *rpriv; - enum fc_rport_event event; - struct fc_lport *lport = rdata->local_port; -- struct fc_rport_operations *rport_ops; -+ const struct fc_rport_operations *rport_ops; - struct fc_rport_identifiers ids; - struct fc_rport *rport; - struct fc4_prov *prov; -diff -urNp linux-2.6.39.3/drivers/scsi/libsas/sas_ata.c linux-2.6.39.3/drivers/scsi/libsas/sas_ata.c ---- linux-2.6.39.3/drivers/scsi/libsas/sas_ata.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/scsi/libsas/sas_ata.c 2011-05-22 19:36:32.000000000 -0400 -@@ -307,14 +307,14 @@ static void sas_ata_post_internal(struct - } - } - --static struct ata_port_operations sas_sata_ops = { -+static const struct ata_port_operations sas_sata_ops = { - .prereset = ata_std_prereset, - .softreset = NULL, - .hardreset = sas_ata_hard_reset, - .postreset = ata_std_postreset, - .error_handler = ata_std_error_handler, - .post_internal_cmd = sas_ata_post_internal, -- .qc_defer = ata_std_qc_defer, -+ .qc_defer = ata_std_qc_defer, - .qc_prep = ata_noop_qc_prep, - .qc_issue = sas_ata_qc_issue, - .qc_fill_rtf = sas_ata_qc_fill_rtf, -diff -urNp linux-2.6.39.3/drivers/scsi/lpfc/lpfc_debugfs.c linux-2.6.39.3/drivers/scsi/lpfc/lpfc_debugfs.c ---- linux-2.6.39.3/drivers/scsi/lpfc/lpfc_debugfs.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/scsi/lpfc/lpfc_debugfs.c 2011-05-22 19:36:32.000000000 -0400 -@@ -104,7 +104,7 @@ MODULE_PARM_DESC(lpfc_debugfs_mask_disc_ - - #include <linux/debugfs.h> - --static atomic_t lpfc_debugfs_seq_trc_cnt = ATOMIC_INIT(0); -+static atomic_unchecked_t lpfc_debugfs_seq_trc_cnt = ATOMIC_INIT(0); - static unsigned long lpfc_debugfs_start_time = 0L; - - /* iDiag */ -@@ -141,7 +141,7 @@ lpfc_debugfs_disc_trc_data(struct lpfc_v - lpfc_debugfs_enable = 0; - - len = 0; -- index = (atomic_read(&vport->disc_trc_cnt) + 1) & -+ index = (atomic_read_unchecked(&vport->disc_trc_cnt) + 1) & - (lpfc_debugfs_max_disc_trc - 1); - for (i = index; i < lpfc_debugfs_max_disc_trc; i++) { - dtp = vport->disc_trc + i; -@@ -202,7 +202,7 @@ lpfc_debugfs_slow_ring_trc_data(struct l - lpfc_debugfs_enable = 0; - - len = 0; -- index = (atomic_read(&phba->slow_ring_trc_cnt) + 1) & -+ index = (atomic_read_unchecked(&phba->slow_ring_trc_cnt) + 1) & - (lpfc_debugfs_max_slow_ring_trc - 1); - for (i = index; i < lpfc_debugfs_max_slow_ring_trc; i++) { - dtp = phba->slow_ring_trc + i; -@@ -380,6 +380,8 @@ lpfc_debugfs_dumpHBASlim_data(struct lpf - uint32_t *ptr; - char buffer[1024]; - -+ pax_track_stack(); -+ - off = 0; - spin_lock_irq(&phba->hbalock); - -@@ -617,14 +619,14 @@ lpfc_debugfs_disc_trc(struct lpfc_vport - !vport || !vport->disc_trc) - return; - -- index = atomic_inc_return(&vport->disc_trc_cnt) & -+ index = atomic_inc_return_unchecked(&vport->disc_trc_cnt) & - (lpfc_debugfs_max_disc_trc - 1); - dtp = vport->disc_trc + index; - dtp->fmt = fmt; - dtp->data1 = data1; - dtp->data2 = data2; - dtp->data3 = data3; -- dtp->seq_cnt = atomic_inc_return(&lpfc_debugfs_seq_trc_cnt); -+ dtp->seq_cnt = atomic_inc_return_unchecked(&lpfc_debugfs_seq_trc_cnt); - dtp->jif = jiffies; - #endif - return; -@@ -655,14 +657,14 @@ lpfc_debugfs_slow_ring_trc(struct lpfc_h - !phba || !phba->slow_ring_trc) - return; - -- index = atomic_inc_return(&phba->slow_ring_trc_cnt) & -+ index = atomic_inc_return_unchecked(&phba->slow_ring_trc_cnt) & - (lpfc_debugfs_max_slow_ring_trc - 1); - dtp = phba->slow_ring_trc + index; - dtp->fmt = fmt; - dtp->data1 = data1; - dtp->data2 = data2; - dtp->data3 = data3; -- dtp->seq_cnt = atomic_inc_return(&lpfc_debugfs_seq_trc_cnt); -+ dtp->seq_cnt = atomic_inc_return_unchecked(&lpfc_debugfs_seq_trc_cnt); - dtp->jif = jiffies; - #endif - return; -@@ -2145,7 +2147,7 @@ lpfc_debugfs_initialize(struct lpfc_vpor - "slow_ring buffer\n"); - goto debug_failed; - } -- atomic_set(&phba->slow_ring_trc_cnt, 0); -+ atomic_set_unchecked(&phba->slow_ring_trc_cnt, 0); - memset(phba->slow_ring_trc, 0, - (sizeof(struct lpfc_debugfs_trc) * - lpfc_debugfs_max_slow_ring_trc)); -@@ -2191,7 +2193,7 @@ lpfc_debugfs_initialize(struct lpfc_vpor - "buffer\n"); - goto debug_failed; - } -- atomic_set(&vport->disc_trc_cnt, 0); -+ atomic_set_unchecked(&vport->disc_trc_cnt, 0); - - snprintf(name, sizeof(name), "discovery_trace"); - vport->debug_disc_trc = -diff -urNp linux-2.6.39.3/drivers/scsi/lpfc/lpfc.h linux-2.6.39.3/drivers/scsi/lpfc/lpfc.h ---- linux-2.6.39.3/drivers/scsi/lpfc/lpfc.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/scsi/lpfc/lpfc.h 2011-05-22 19:36:32.000000000 -0400 -@@ -419,7 +419,7 @@ struct lpfc_vport { - struct dentry *debug_nodelist; - struct dentry *vport_debugfs_root; - struct lpfc_debugfs_trc *disc_trc; -- atomic_t disc_trc_cnt; -+ atomic_unchecked_t disc_trc_cnt; - #endif - uint8_t stat_data_enabled; - uint8_t stat_data_blocked; -@@ -785,8 +785,8 @@ struct lpfc_hba { - struct timer_list fabric_block_timer; - unsigned long bit_flags; - #define FABRIC_COMANDS_BLOCKED 0 -- atomic_t num_rsrc_err; -- atomic_t num_cmd_success; -+ atomic_unchecked_t num_rsrc_err; -+ atomic_unchecked_t num_cmd_success; - unsigned long last_rsrc_error_time; - unsigned long last_ramp_down_time; - unsigned long last_ramp_up_time; -@@ -800,7 +800,7 @@ struct lpfc_hba { - struct dentry *debug_dumpDif; /* BlockGuard BPL*/ - struct dentry *debug_slow_ring_trc; - struct lpfc_debugfs_trc *slow_ring_trc; -- atomic_t slow_ring_trc_cnt; -+ atomic_unchecked_t slow_ring_trc_cnt; - /* iDiag debugfs sub-directory */ - struct dentry *idiag_root; - struct dentry *idiag_pci_cfg; -diff -urNp linux-2.6.39.3/drivers/scsi/lpfc/lpfc_scsi.c linux-2.6.39.3/drivers/scsi/lpfc/lpfc_scsi.c ---- linux-2.6.39.3/drivers/scsi/lpfc/lpfc_scsi.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/scsi/lpfc/lpfc_scsi.c 2011-05-22 19:36:32.000000000 -0400 -@@ -297,7 +297,7 @@ lpfc_rampdown_queue_depth(struct lpfc_hb - uint32_t evt_posted; - - spin_lock_irqsave(&phba->hbalock, flags); -- atomic_inc(&phba->num_rsrc_err); -+ atomic_inc_unchecked(&phba->num_rsrc_err); - phba->last_rsrc_error_time = jiffies; - - if ((phba->last_ramp_down_time + QUEUE_RAMP_DOWN_INTERVAL) > jiffies) { -@@ -338,7 +338,7 @@ lpfc_rampup_queue_depth(struct lpfc_vpor - unsigned long flags; - struct lpfc_hba *phba = vport->phba; - uint32_t evt_posted; -- atomic_inc(&phba->num_cmd_success); -+ atomic_inc_unchecked(&phba->num_cmd_success); - - if (vport->cfg_lun_queue_depth <= queue_depth) - return; -@@ -382,8 +382,8 @@ lpfc_ramp_down_queue_handler(struct lpfc - unsigned long num_rsrc_err, num_cmd_success; - int i; - -- num_rsrc_err = atomic_read(&phba->num_rsrc_err); -- num_cmd_success = atomic_read(&phba->num_cmd_success); -+ num_rsrc_err = atomic_read_unchecked(&phba->num_rsrc_err); -+ num_cmd_success = atomic_read_unchecked(&phba->num_cmd_success); - - vports = lpfc_create_vport_work_array(phba); - if (vports != NULL) -@@ -403,8 +403,8 @@ lpfc_ramp_down_queue_handler(struct lpfc - } - } - lpfc_destroy_vport_work_array(phba, vports); -- atomic_set(&phba->num_rsrc_err, 0); -- atomic_set(&phba->num_cmd_success, 0); -+ atomic_set_unchecked(&phba->num_rsrc_err, 0); -+ atomic_set_unchecked(&phba->num_cmd_success, 0); - } - - /** -@@ -438,8 +438,8 @@ lpfc_ramp_up_queue_handler(struct lpfc_h - } - } - lpfc_destroy_vport_work_array(phba, vports); -- atomic_set(&phba->num_rsrc_err, 0); -- atomic_set(&phba->num_cmd_success, 0); -+ atomic_set_unchecked(&phba->num_rsrc_err, 0); -+ atomic_set_unchecked(&phba->num_cmd_success, 0); - } - - /** -diff -urNp linux-2.6.39.3/drivers/scsi/mac_esp.c linux-2.6.39.3/drivers/scsi/mac_esp.c ---- linux-2.6.39.3/drivers/scsi/mac_esp.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/scsi/mac_esp.c 2011-05-22 19:36:32.000000000 -0400 -@@ -473,7 +473,7 @@ static irqreturn_t mac_scsi_esp_intr(int - return IRQ_HANDLED; - } - --static struct esp_driver_ops mac_esp_ops = { -+static const struct esp_driver_ops mac_esp_ops = { - .esp_write8 = mac_esp_write8, - .esp_read8 = mac_esp_read8, - .map_single = mac_esp_map_single, -diff -urNp linux-2.6.39.3/drivers/scsi/megaraid/megaraid_mbox.c linux-2.6.39.3/drivers/scsi/megaraid/megaraid_mbox.c ---- linux-2.6.39.3/drivers/scsi/megaraid/megaraid_mbox.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/scsi/megaraid/megaraid_mbox.c 2011-05-22 19:36:32.000000000 -0400 -@@ -3510,6 +3510,8 @@ megaraid_cmm_register(adapter_t *adapter - int rval; - int i; - -+ pax_track_stack(); -+ - // Allocate memory for the base list of scb for management module. - adapter->uscb_list = kcalloc(MBOX_MAX_USER_CMDS, sizeof(scb_t), GFP_KERNEL); - -diff -urNp linux-2.6.39.3/drivers/scsi/megaraid/megaraid_sas_base.c linux-2.6.39.3/drivers/scsi/megaraid/megaraid_sas_base.c ---- linux-2.6.39.3/drivers/scsi/megaraid/megaraid_sas_base.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/scsi/megaraid/megaraid_sas_base.c 2011-05-22 19:36:32.000000000 -0400 -@@ -366,7 +366,7 @@ megasas_check_reset_xscale(struct megasa - return 0; - } - --static struct megasas_instance_template megasas_instance_template_xscale = { -+static const struct megasas_instance_template megasas_instance_template_xscale = { - - .fire_cmd = megasas_fire_cmd_xscale, - .enable_intr = megasas_enable_intr_xscale, -@@ -497,7 +497,7 @@ megasas_check_reset_ppc(struct megasas_i - { - return 0; - } --static struct megasas_instance_template megasas_instance_template_ppc = { -+static const struct megasas_instance_template megasas_instance_template_ppc = { - - .fire_cmd = megasas_fire_cmd_ppc, - .enable_intr = megasas_enable_intr_ppc, -@@ -623,7 +623,7 @@ megasas_check_reset_skinny(struct megasa - return 0; - } - --static struct megasas_instance_template megasas_instance_template_skinny = { -+static const struct megasas_instance_template megasas_instance_template_skinny = { - - .fire_cmd = megasas_fire_cmd_skinny, - .enable_intr = megasas_enable_intr_skinny, -@@ -810,7 +810,7 @@ megasas_check_reset_gen2(struct megasas_ - return 0; - } - --static struct megasas_instance_template megasas_instance_template_gen2 = { -+static const struct megasas_instance_template megasas_instance_template_gen2 = { - - .fire_cmd = megasas_fire_cmd_gen2, - .enable_intr = megasas_enable_intr_gen2, -@@ -834,7 +834,7 @@ static struct megasas_instance_template - /* - * Template added for TB (Fusion) - */ --extern struct megasas_instance_template megasas_instance_template_fusion; -+extern const struct megasas_instance_template megasas_instance_template_fusion; - - /** - * megasas_issue_polled - Issues a polling command -diff -urNp linux-2.6.39.3/drivers/scsi/megaraid/megaraid_sas_fusion.c linux-2.6.39.3/drivers/scsi/megaraid/megaraid_sas_fusion.c ---- linux-2.6.39.3/drivers/scsi/megaraid/megaraid_sas_fusion.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/scsi/megaraid/megaraid_sas_fusion.c 2011-05-22 19:36:32.000000000 -0400 -@@ -2236,7 +2236,7 @@ void megasas_fusion_ocr_wq(struct work_s - megasas_reset_fusion(instance->host); - } - --struct megasas_instance_template megasas_instance_template_fusion = { -+const struct megasas_instance_template megasas_instance_template_fusion = { - .fire_cmd = megasas_fire_cmd_fusion, - .enable_intr = megasas_enable_intr_fusion, - .disable_intr = megasas_disable_intr_fusion, -diff -urNp linux-2.6.39.3/drivers/scsi/megaraid/megaraid_sas.h linux-2.6.39.3/drivers/scsi/megaraid/megaraid_sas.h ---- linux-2.6.39.3/drivers/scsi/megaraid/megaraid_sas.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/scsi/megaraid/megaraid_sas.h 2011-05-22 19:36:32.000000000 -0400 -@@ -1330,7 +1330,7 @@ struct megasas_instance { - atomic_t fw_outstanding; - atomic_t fw_reset_no_pci_access; - -- struct megasas_instance_template *instancet; -+ const struct megasas_instance_template *instancet; - struct tasklet_struct isr_tasklet; - struct work_struct work_init; - -diff -urNp linux-2.6.39.3/drivers/scsi/ncr53c8xx.c linux-2.6.39.3/drivers/scsi/ncr53c8xx.c ---- linux-2.6.39.3/drivers/scsi/ncr53c8xx.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/scsi/ncr53c8xx.c 2011-05-22 19:36:32.000000000 -0400 -@@ -8606,7 +8606,7 @@ static void ncr53c8xx_get_signalling(str - spi_signalling(shost) = type; - } - --static struct spi_function_template ncr53c8xx_transport_functions = { -+static struct spi_function_template ncr53c8xx_transport_functions = { - .set_period = ncr53c8xx_set_period, - .show_period = 1, - .set_offset = ncr53c8xx_set_offset, -diff -urNp linux-2.6.39.3/drivers/scsi/osd/osd_initiator.c linux-2.6.39.3/drivers/scsi/osd/osd_initiator.c ---- linux-2.6.39.3/drivers/scsi/osd/osd_initiator.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/scsi/osd/osd_initiator.c 2011-05-22 19:36:32.000000000 -0400 -@@ -97,6 +97,8 @@ static int _osd_get_print_system_info(st - int nelem = ARRAY_SIZE(get_attrs), a = 0; - int ret; - -+ pax_track_stack(); -+ - or = osd_start_request(od, GFP_KERNEL); - if (!or) - return -ENOMEM; -diff -urNp linux-2.6.39.3/drivers/scsi/pmcraid.c linux-2.6.39.3/drivers/scsi/pmcraid.c ---- linux-2.6.39.3/drivers/scsi/pmcraid.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/scsi/pmcraid.c 2011-05-22 19:36:32.000000000 -0400 -@@ -201,8 +201,8 @@ static int pmcraid_slave_alloc(struct sc - res->scsi_dev = scsi_dev; - scsi_dev->hostdata = res; - res->change_detected = 0; -- atomic_set(&res->read_failures, 0); -- atomic_set(&res->write_failures, 0); -+ atomic_set_unchecked(&res->read_failures, 0); -+ atomic_set_unchecked(&res->write_failures, 0); - rc = 0; - } - spin_unlock_irqrestore(&pinstance->resource_lock, lock_flags); -@@ -2677,9 +2677,9 @@ static int pmcraid_error_handler(struct - - /* If this was a SCSI read/write command keep count of errors */ - if (SCSI_CMD_TYPE(scsi_cmd->cmnd[0]) == SCSI_READ_CMD) -- atomic_inc(&res->read_failures); -+ atomic_inc_unchecked(&res->read_failures); - else if (SCSI_CMD_TYPE(scsi_cmd->cmnd[0]) == SCSI_WRITE_CMD) -- atomic_inc(&res->write_failures); -+ atomic_inc_unchecked(&res->write_failures); - - if (!RES_IS_GSCSI(res->cfg_entry) && - masked_ioasc != PMCRAID_IOASC_HW_DEVICE_BUS_STATUS_ERROR) { -@@ -3535,7 +3535,7 @@ static int pmcraid_queuecommand_lck( - * block of scsi_cmd which is re-used (e.g. cancel/abort), which uses - * hrrq_id assigned here in queuecommand - */ -- ioarcb->hrrq_id = atomic_add_return(1, &(pinstance->last_message_id)) % -+ ioarcb->hrrq_id = atomic_add_return_unchecked(1, &(pinstance->last_message_id)) % - pinstance->num_hrrq; - cmd->cmd_done = pmcraid_io_done; - -@@ -3860,7 +3860,7 @@ static long pmcraid_ioctl_passthrough( - * block of scsi_cmd which is re-used (e.g. cancel/abort), which uses - * hrrq_id assigned here in queuecommand - */ -- ioarcb->hrrq_id = atomic_add_return(1, &(pinstance->last_message_id)) % -+ ioarcb->hrrq_id = atomic_add_return_unchecked(1, &(pinstance->last_message_id)) % - pinstance->num_hrrq; - - if (request_size) { -@@ -4495,7 +4495,7 @@ static void pmcraid_worker_function(stru - - pinstance = container_of(workp, struct pmcraid_instance, worker_q); - /* add resources only after host is added into system */ -- if (!atomic_read(&pinstance->expose_resources)) -+ if (!atomic_read_unchecked(&pinstance->expose_resources)) - return; - - fw_version = be16_to_cpu(pinstance->inq_data->fw_version); -@@ -5329,8 +5329,8 @@ static int __devinit pmcraid_init_instan - init_waitqueue_head(&pinstance->reset_wait_q); - - atomic_set(&pinstance->outstanding_cmds, 0); -- atomic_set(&pinstance->last_message_id, 0); -- atomic_set(&pinstance->expose_resources, 0); -+ atomic_set_unchecked(&pinstance->last_message_id, 0); -+ atomic_set_unchecked(&pinstance->expose_resources, 0); - - INIT_LIST_HEAD(&pinstance->free_res_q); - INIT_LIST_HEAD(&pinstance->used_res_q); -@@ -6045,7 +6045,7 @@ static int __devinit pmcraid_probe( - /* Schedule worker thread to handle CCN and take care of adding and - * removing devices to OS - */ -- atomic_set(&pinstance->expose_resources, 1); -+ atomic_set_unchecked(&pinstance->expose_resources, 1); - schedule_work(&pinstance->worker_q); - return rc; - -diff -urNp linux-2.6.39.3/drivers/scsi/pmcraid.h linux-2.6.39.3/drivers/scsi/pmcraid.h ---- linux-2.6.39.3/drivers/scsi/pmcraid.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/scsi/pmcraid.h 2011-05-22 19:36:32.000000000 -0400 -@@ -750,7 +750,7 @@ struct pmcraid_instance { - struct pmcraid_isr_param hrrq_vector[PMCRAID_NUM_MSIX_VECTORS]; - - /* Message id as filled in last fired IOARCB, used to identify HRRQ */ -- atomic_t last_message_id; -+ atomic_unchecked_t last_message_id; - - /* configuration table */ - struct pmcraid_config_table *cfg_table; -@@ -779,7 +779,7 @@ struct pmcraid_instance { - atomic_t outstanding_cmds; - - /* should add/delete resources to mid-layer now ?*/ -- atomic_t expose_resources; -+ atomic_unchecked_t expose_resources; - - - -@@ -815,8 +815,8 @@ struct pmcraid_resource_entry { - struct pmcraid_config_table_entry_ext cfg_entry_ext; - }; - struct scsi_device *scsi_dev; /* Link scsi_device structure */ -- atomic_t read_failures; /* count of failed READ commands */ -- atomic_t write_failures; /* count of failed WRITE commands */ -+ atomic_unchecked_t read_failures; /* count of failed READ commands */ -+ atomic_unchecked_t write_failures; /* count of failed WRITE commands */ - - /* To indicate add/delete/modify during CCN */ - u8 change_detected; -diff -urNp linux-2.6.39.3/drivers/scsi/qla2xxx/qla_os.c linux-2.6.39.3/drivers/scsi/qla2xxx/qla_os.c ---- linux-2.6.39.3/drivers/scsi/qla2xxx/qla_os.c 2011-06-03 00:04:14.000000000 -0400 -+++ linux-2.6.39.3/drivers/scsi/qla2xxx/qla_os.c 2011-06-03 00:32:06.000000000 -0400 -@@ -4103,7 +4103,7 @@ static struct pci_driver qla2xxx_pci_dri - .err_handler = &qla2xxx_err_handler, - }; - --static struct file_operations apidev_fops = { -+static const struct file_operations apidev_fops = { - .owner = THIS_MODULE, - .llseek = noop_llseek, - }; -diff -urNp linux-2.6.39.3/drivers/scsi/qla4xxx/ql4_def.h linux-2.6.39.3/drivers/scsi/qla4xxx/ql4_def.h ---- linux-2.6.39.3/drivers/scsi/qla4xxx/ql4_def.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/scsi/qla4xxx/ql4_def.h 2011-05-22 19:36:32.000000000 -0400 -@@ -256,7 +256,7 @@ struct ddb_entry { - atomic_t retry_relogin_timer; /* Min Time between relogins - * (4000 only) */ - atomic_t relogin_timer; /* Max Time to wait for relogin to complete */ -- atomic_t relogin_retry_count; /* Num of times relogin has been -+ atomic_unchecked_t relogin_retry_count; /* Num of times relogin has been - * retried */ - - uint16_t port; -diff -urNp linux-2.6.39.3/drivers/scsi/qla4xxx/ql4_init.c linux-2.6.39.3/drivers/scsi/qla4xxx/ql4_init.c ---- linux-2.6.39.3/drivers/scsi/qla4xxx/ql4_init.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/scsi/qla4xxx/ql4_init.c 2011-05-22 19:36:32.000000000 -0400 -@@ -680,7 +680,7 @@ static struct ddb_entry * qla4xxx_alloc_ - ddb_entry->fw_ddb_index = fw_ddb_index; - atomic_set(&ddb_entry->retry_relogin_timer, INVALID_ENTRY); - atomic_set(&ddb_entry->relogin_timer, 0); -- atomic_set(&ddb_entry->relogin_retry_count, 0); -+ atomic_set_unchecked(&ddb_entry->relogin_retry_count, 0); - atomic_set(&ddb_entry->state, DDB_STATE_ONLINE); - list_add_tail(&ddb_entry->list, &ha->ddb_list); - ha->fw_ddb_index_map[fw_ddb_index] = ddb_entry; -@@ -1433,7 +1433,7 @@ int qla4xxx_process_ddb_changed(struct s - if ((ddb_entry->fw_ddb_device_state == DDB_DS_SESSION_ACTIVE) && - (atomic_read(&ddb_entry->state) != DDB_STATE_ONLINE)) { - atomic_set(&ddb_entry->state, DDB_STATE_ONLINE); -- atomic_set(&ddb_entry->relogin_retry_count, 0); -+ atomic_set_unchecked(&ddb_entry->relogin_retry_count, 0); - atomic_set(&ddb_entry->relogin_timer, 0); - clear_bit(DF_RELOGIN, &ddb_entry->flags); - iscsi_unblock_session(ddb_entry->sess); -diff -urNp linux-2.6.39.3/drivers/scsi/qla4xxx/ql4_os.c linux-2.6.39.3/drivers/scsi/qla4xxx/ql4_os.c ---- linux-2.6.39.3/drivers/scsi/qla4xxx/ql4_os.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/scsi/qla4xxx/ql4_os.c 2011-05-22 19:36:32.000000000 -0400 -@@ -802,13 +802,13 @@ static void qla4xxx_timer(struct scsi_ql - ddb_entry->fw_ddb_device_state == - DDB_DS_SESSION_FAILED) { - /* Reset retry relogin timer */ -- atomic_inc(&ddb_entry->relogin_retry_count); -+ atomic_inc_unchecked(&ddb_entry->relogin_retry_count); - DEBUG2(printk("scsi%ld: ddb [%d] relogin" - " timed out-retrying" - " relogin (%d)\n", - ha->host_no, - ddb_entry->fw_ddb_index, -- atomic_read(&ddb_entry-> -+ atomic_read_unchecked(&ddb_entry-> - relogin_retry_count)) - ); - start_dpc++; -diff -urNp linux-2.6.39.3/drivers/scsi/scsi.c linux-2.6.39.3/drivers/scsi/scsi.c ---- linux-2.6.39.3/drivers/scsi/scsi.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/scsi/scsi.c 2011-05-22 19:36:32.000000000 -0400 -@@ -655,7 +655,7 @@ int scsi_dispatch_cmd(struct scsi_cmnd * - unsigned long timeout; - int rtn = 0; - -- atomic_inc(&cmd->device->iorequest_cnt); -+ atomic_inc_unchecked(&cmd->device->iorequest_cnt); - - /* check if the device is still usable */ - if (unlikely(cmd->device->sdev_state == SDEV_DEL)) { -diff -urNp linux-2.6.39.3/drivers/scsi/scsi_debug.c linux-2.6.39.3/drivers/scsi/scsi_debug.c ---- linux-2.6.39.3/drivers/scsi/scsi_debug.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/scsi/scsi_debug.c 2011-05-22 19:36:32.000000000 -0400 -@@ -1493,6 +1493,8 @@ static int resp_mode_select(struct scsi_ - unsigned char arr[SDEBUG_MAX_MSELECT_SZ]; - unsigned char *cmd = (unsigned char *)scp->cmnd; - -+ pax_track_stack(); -+ - if ((errsts = check_readiness(scp, 1, devip))) - return errsts; - memset(arr, 0, sizeof(arr)); -@@ -1590,6 +1592,8 @@ static int resp_log_sense(struct scsi_cm - unsigned char arr[SDEBUG_MAX_LSENSE_SZ]; - unsigned char *cmd = (unsigned char *)scp->cmnd; - -+ pax_track_stack(); -+ - if ((errsts = check_readiness(scp, 1, devip))) - return errsts; - memset(arr, 0, sizeof(arr)); -diff -urNp linux-2.6.39.3/drivers/scsi/scsi_lib.c linux-2.6.39.3/drivers/scsi/scsi_lib.c ---- linux-2.6.39.3/drivers/scsi/scsi_lib.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/scsi/scsi_lib.c 2011-05-22 19:36:32.000000000 -0400 -@@ -1410,7 +1410,7 @@ static void scsi_kill_request(struct req - shost = sdev->host; - scsi_init_cmd_errh(cmd); - cmd->result = DID_NO_CONNECT << 16; -- atomic_inc(&cmd->device->iorequest_cnt); -+ atomic_inc_unchecked(&cmd->device->iorequest_cnt); - - /* - * SCSI request completion path will do scsi_device_unbusy(), -@@ -1436,9 +1436,9 @@ static void scsi_softirq_done(struct req - - INIT_LIST_HEAD(&cmd->eh_entry); - -- atomic_inc(&cmd->device->iodone_cnt); -+ atomic_inc_unchecked(&cmd->device->iodone_cnt); - if (cmd->result) -- atomic_inc(&cmd->device->ioerr_cnt); -+ atomic_inc_unchecked(&cmd->device->ioerr_cnt); - - disposition = scsi_decide_disposition(cmd); - if (disposition != SUCCESS && -diff -urNp linux-2.6.39.3/drivers/scsi/scsi_sysfs.c linux-2.6.39.3/drivers/scsi/scsi_sysfs.c ---- linux-2.6.39.3/drivers/scsi/scsi_sysfs.c 2011-06-25 12:55:22.000000000 -0400 -+++ linux-2.6.39.3/drivers/scsi/scsi_sysfs.c 2011-06-25 13:00:26.000000000 -0400 -@@ -622,7 +622,7 @@ show_iostat_##field(struct device *dev, - char *buf) \ - { \ - struct scsi_device *sdev = to_scsi_device(dev); \ -- unsigned long long count = atomic_read(&sdev->field); \ -+ unsigned long long count = atomic_read_unchecked(&sdev->field); \ - return snprintf(buf, 20, "0x%llx\n", count); \ - } \ - static DEVICE_ATTR(field, S_IRUGO, show_iostat_##field, NULL) -diff -urNp linux-2.6.39.3/drivers/scsi/scsi_transport_fc.c linux-2.6.39.3/drivers/scsi/scsi_transport_fc.c ---- linux-2.6.39.3/drivers/scsi/scsi_transport_fc.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/scsi/scsi_transport_fc.c 2011-05-22 19:36:32.000000000 -0400 -@@ -485,7 +485,7 @@ static DECLARE_TRANSPORT_CLASS(fc_vport_ - * Netlink Infrastructure - */ - --static atomic_t fc_event_seq; -+static atomic_unchecked_t fc_event_seq; - - /** - * fc_get_event_number - Obtain the next sequential FC event number -@@ -498,7 +498,7 @@ static atomic_t fc_event_seq; - u32 - fc_get_event_number(void) - { -- return atomic_add_return(1, &fc_event_seq); -+ return atomic_add_return_unchecked(1, &fc_event_seq); - } - EXPORT_SYMBOL(fc_get_event_number); - -@@ -646,7 +646,7 @@ static __init int fc_transport_init(void - { - int error; - -- atomic_set(&fc_event_seq, 0); -+ atomic_set_unchecked(&fc_event_seq, 0); - - error = transport_class_register(&fc_host_class); - if (error) -@@ -836,7 +836,7 @@ static int fc_str_to_dev_loss(const char - char *cp; - - *val = simple_strtoul(buf, &cp, 0); -- if ((*cp && (*cp != '\n')) || (*val < 0)) -+ if (*cp && (*cp != '\n')) - return -EINVAL; - /* - * Check for overflow; dev_loss_tmo is u32 -diff -urNp linux-2.6.39.3/drivers/scsi/scsi_transport_iscsi.c linux-2.6.39.3/drivers/scsi/scsi_transport_iscsi.c ---- linux-2.6.39.3/drivers/scsi/scsi_transport_iscsi.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/scsi/scsi_transport_iscsi.c 2011-05-22 19:36:32.000000000 -0400 -@@ -83,7 +83,7 @@ struct iscsi_internal { - struct device_attribute *session_attrs[ISCSI_SESSION_ATTRS + 1]; - }; - --static atomic_t iscsi_session_nr; /* sysfs session id for next new session */ -+static atomic_unchecked_t iscsi_session_nr; /* sysfs session id for next new session */ - static struct workqueue_struct *iscsi_eh_timer_workq; - - /* -@@ -761,7 +761,7 @@ int iscsi_add_session(struct iscsi_cls_s - int err; - - ihost = shost->shost_data; -- session->sid = atomic_add_return(1, &iscsi_session_nr); -+ session->sid = atomic_add_return_unchecked(1, &iscsi_session_nr); - - if (id == ISCSI_MAX_TARGET) { - for (id = 0; id < ISCSI_MAX_TARGET; id++) { -@@ -2200,7 +2200,7 @@ static __init int iscsi_transport_init(v - printk(KERN_INFO "Loading iSCSI transport class v%s.\n", - ISCSI_TRANSPORT_VERSION); - -- atomic_set(&iscsi_session_nr, 0); -+ atomic_set_unchecked(&iscsi_session_nr, 0); - - err = class_register(&iscsi_transport_class); - if (err) -diff -urNp linux-2.6.39.3/drivers/scsi/scsi_transport_srp.c linux-2.6.39.3/drivers/scsi/scsi_transport_srp.c ---- linux-2.6.39.3/drivers/scsi/scsi_transport_srp.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/scsi/scsi_transport_srp.c 2011-05-22 19:36:32.000000000 -0400 -@@ -33,7 +33,7 @@ - #include "scsi_transport_srp_internal.h" - - struct srp_host_attrs { -- atomic_t next_port_id; -+ atomic_unchecked_t next_port_id; - }; - #define to_srp_host_attrs(host) ((struct srp_host_attrs *)(host)->shost_data) - -@@ -62,7 +62,7 @@ static int srp_host_setup(struct transpo - struct Scsi_Host *shost = dev_to_shost(dev); - struct srp_host_attrs *srp_host = to_srp_host_attrs(shost); - -- atomic_set(&srp_host->next_port_id, 0); -+ atomic_set_unchecked(&srp_host->next_port_id, 0); - return 0; - } - -@@ -211,7 +211,7 @@ struct srp_rport *srp_rport_add(struct S - memcpy(rport->port_id, ids->port_id, sizeof(rport->port_id)); - rport->roles = ids->roles; - -- id = atomic_inc_return(&to_srp_host_attrs(shost)->next_port_id); -+ id = atomic_inc_return_unchecked(&to_srp_host_attrs(shost)->next_port_id); - dev_set_name(&rport->dev, "port-%d:%d", shost->host_no, id); - - transport_setup_device(&rport->dev); -diff -urNp linux-2.6.39.3/drivers/scsi/sg.c linux-2.6.39.3/drivers/scsi/sg.c ---- linux-2.6.39.3/drivers/scsi/sg.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/scsi/sg.c 2011-05-22 19:36:32.000000000 -0400 -@@ -2310,7 +2310,7 @@ struct sg_proc_leaf { - const struct file_operations * fops; - }; - --static struct sg_proc_leaf sg_proc_leaf_arr[] = { -+static const struct sg_proc_leaf sg_proc_leaf_arr[] = { - {"allow_dio", &adio_fops}, - {"debug", &debug_fops}, - {"def_reserved_size", &dressz_fops}, -@@ -2325,7 +2325,7 @@ sg_proc_init(void) - { - int k, mask; - int num_leaves = ARRAY_SIZE(sg_proc_leaf_arr); -- struct sg_proc_leaf * leaf; -+ const struct sg_proc_leaf * leaf; - - sg_proc_sgp = proc_mkdir(sg_proc_sg_dirname, NULL); - if (!sg_proc_sgp) -diff -urNp linux-2.6.39.3/drivers/scsi/sym53c8xx_2/sym_glue.c linux-2.6.39.3/drivers/scsi/sym53c8xx_2/sym_glue.c ---- linux-2.6.39.3/drivers/scsi/sym53c8xx_2/sym_glue.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/scsi/sym53c8xx_2/sym_glue.c 2011-05-22 19:36:32.000000000 -0400 -@@ -1756,6 +1756,8 @@ static int __devinit sym2_probe(struct p - int do_iounmap = 0; - int do_disable_device = 1; - -+ pax_track_stack(); -+ - memset(&sym_dev, 0, sizeof(sym_dev)); - memset(&nvram, 0, sizeof(nvram)); - sym_dev.pdev = pdev; -diff -urNp linux-2.6.39.3/drivers/scsi/vmw_pvscsi.c linux-2.6.39.3/drivers/scsi/vmw_pvscsi.c ---- linux-2.6.39.3/drivers/scsi/vmw_pvscsi.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/scsi/vmw_pvscsi.c 2011-05-22 19:36:32.000000000 -0400 -@@ -447,6 +447,8 @@ static void pvscsi_setup_all_rings(const - dma_addr_t base; - unsigned i; - -+ pax_track_stack(); -+ - cmd.ringsStatePPN = adapter->ringStatePA >> PAGE_SHIFT; - cmd.reqRingNumPages = adapter->req_pages; - cmd.cmpRingNumPages = adapter->cmp_pages; -diff -urNp linux-2.6.39.3/drivers/sh/clk/cpg.c linux-2.6.39.3/drivers/sh/clk/cpg.c ---- linux-2.6.39.3/drivers/sh/clk/cpg.c 2011-06-03 00:04:14.000000000 -0400 -+++ linux-2.6.39.3/drivers/sh/clk/cpg.c 2011-06-03 00:32:06.000000000 -0400 -@@ -26,7 +26,7 @@ static void sh_clk_mstp32_disable(struct - clk->enable_reg); - } - --static struct clk_ops sh_clk_mstp32_clk_ops = { -+static const struct clk_ops sh_clk_mstp32_clk_ops = { - .enable = sh_clk_mstp32_enable, - .disable = sh_clk_mstp32_disable, - .recalc = followparent_recalc, -@@ -150,7 +150,7 @@ static void sh_clk_div6_disable(struct c - __raw_writel(value, clk->enable_reg); - } - --static struct clk_ops sh_clk_div6_clk_ops = { -+static const struct clk_ops sh_clk_div6_clk_ops = { - .recalc = sh_clk_div6_recalc, - .round_rate = sh_clk_div_round_rate, - .set_rate = sh_clk_div6_set_rate, -@@ -158,7 +158,7 @@ static struct clk_ops sh_clk_div6_clk_op - .disable = sh_clk_div6_disable, - }; - --static struct clk_ops sh_clk_div6_reparent_clk_ops = { -+static const struct clk_ops sh_clk_div6_reparent_clk_ops = { - .recalc = sh_clk_div6_recalc, - .round_rate = sh_clk_div_round_rate, - .set_rate = sh_clk_div6_set_rate, -@@ -282,13 +282,13 @@ static void sh_clk_div4_disable(struct c - __raw_writel(__raw_readl(clk->enable_reg) | (1 << 8), clk->enable_reg); - } - --static struct clk_ops sh_clk_div4_clk_ops = { -+static const struct clk_ops sh_clk_div4_clk_ops = { - .recalc = sh_clk_div4_recalc, - .set_rate = sh_clk_div4_set_rate, - .round_rate = sh_clk_div_round_rate, - }; - --static struct clk_ops sh_clk_div4_enable_clk_ops = { -+static const struct clk_ops sh_clk_div4_enable_clk_ops = { - .recalc = sh_clk_div4_recalc, - .set_rate = sh_clk_div4_set_rate, - .round_rate = sh_clk_div_round_rate, -@@ -296,7 +296,7 @@ static struct clk_ops sh_clk_div4_enable - .disable = sh_clk_div4_disable, - }; - --static struct clk_ops sh_clk_div4_reparent_clk_ops = { -+static const struct clk_ops sh_clk_div4_reparent_clk_ops = { - .recalc = sh_clk_div4_recalc, - .set_rate = sh_clk_div4_set_rate, - .round_rate = sh_clk_div_round_rate, -diff -urNp linux-2.6.39.3/drivers/spi/dw_spi.h linux-2.6.39.3/drivers/spi/dw_spi.h ---- linux-2.6.39.3/drivers/spi/dw_spi.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/spi/dw_spi.h 2011-05-22 19:36:32.000000000 -0400 -@@ -151,7 +151,7 @@ struct dw_spi { - int dma_chan_done; - struct device *dma_dev; - dma_addr_t dma_addr; /* phy address of the Data register */ -- struct dw_spi_dma_ops *dma_ops; -+ const struct dw_spi_dma_ops *dma_ops; - void *dma_priv; /* platform relate info */ - struct pci_dev *dmac; - -diff -urNp linux-2.6.39.3/drivers/spi/dw_spi_mid.c linux-2.6.39.3/drivers/spi/dw_spi_mid.c ---- linux-2.6.39.3/drivers/spi/dw_spi_mid.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/spi/dw_spi_mid.c 2011-05-22 19:36:32.000000000 -0400 -@@ -180,7 +180,7 @@ static int mid_spi_dma_transfer(struct d - return 0; - } - --static struct dw_spi_dma_ops mid_dma_ops = { -+static const struct dw_spi_dma_ops mid_dma_ops = { - .dma_init = mid_spi_dma_init, - .dma_exit = mid_spi_dma_exit, - .dma_transfer = mid_spi_dma_transfer, -diff -urNp linux-2.6.39.3/drivers/spi/spi.c linux-2.6.39.3/drivers/spi/spi.c ---- linux-2.6.39.3/drivers/spi/spi.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/spi/spi.c 2011-05-22 19:36:32.000000000 -0400 -@@ -1023,7 +1023,7 @@ int spi_bus_unlock(struct spi_master *ma - EXPORT_SYMBOL_GPL(spi_bus_unlock); - - /* portable code must never pass more than 32 bytes */ --#define SPI_BUFSIZ max(32,SMP_CACHE_BYTES) -+#define SPI_BUFSIZ max(32U,SMP_CACHE_BYTES) - - static u8 *buf; - -diff -urNp linux-2.6.39.3/drivers/ssb/driver_pcicore.c linux-2.6.39.3/drivers/ssb/driver_pcicore.c ---- linux-2.6.39.3/drivers/ssb/driver_pcicore.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/ssb/driver_pcicore.c 2011-05-22 19:36:32.000000000 -0400 -@@ -223,7 +223,7 @@ static int ssb_pcicore_write_config(stru - return err ? PCIBIOS_DEVICE_NOT_FOUND : PCIBIOS_SUCCESSFUL; - } - --static struct pci_ops ssb_pcicore_pciops = { -+static const struct pci_ops ssb_pcicore_pciops = { - .read = ssb_pcicore_read_config, - .write = ssb_pcicore_write_config, - }; -diff -urNp linux-2.6.39.3/drivers/staging/ath6kl/os/linux/cfg80211.c linux-2.6.39.3/drivers/staging/ath6kl/os/linux/cfg80211.c ---- linux-2.6.39.3/drivers/staging/ath6kl/os/linux/cfg80211.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/staging/ath6kl/os/linux/cfg80211.c 2011-05-22 19:36:32.000000000 -0400 -@@ -1391,8 +1391,7 @@ u32 cipher_suites[] = { - WLAN_CIPHER_SUITE_CCMP, - }; - --static struct --cfg80211_ops ar6k_cfg80211_ops = { -+static const struct cfg80211_ops ar6k_cfg80211_ops = { - .change_virtual_intf = ar6k_cfg80211_change_iface, - .add_virtual_intf = ar6k_cfg80211_add_virtual_intf, - .del_virtual_intf = ar6k_cfg80211_del_virtual_intf, -diff -urNp linux-2.6.39.3/drivers/staging/brcm80211/brcmfmac/dhd_linux.c linux-2.6.39.3/drivers/staging/brcm80211/brcmfmac/dhd_linux.c ---- linux-2.6.39.3/drivers/staging/brcm80211/brcmfmac/dhd_linux.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/staging/brcm80211/brcmfmac/dhd_linux.c 2011-05-22 19:36:32.000000000 -0400 -@@ -857,14 +857,14 @@ static void dhd_op_if(dhd_if_t *ifp) - free_netdev(ifp->net); - } - /* Allocate etherdev, including space for private structure */ -- ifp->net = alloc_etherdev(sizeof(dhd)); -+ ifp->net = alloc_etherdev(sizeof(*dhd)); - if (!ifp->net) { - DHD_ERROR(("%s: OOM - alloc_etherdev\n", __func__)); - ret = -ENOMEM; - } - if (ret == 0) { - strcpy(ifp->net->name, ifp->name); -- memcpy(netdev_priv(ifp->net), &dhd, sizeof(dhd)); -+ memcpy(netdev_priv(ifp->net), dhd, sizeof(*dhd)); - err = dhd_net_attach(&dhd->pub, ifp->idx); - if (err != 0) { - DHD_ERROR(("%s: dhd_net_attach failed, " -@@ -1500,7 +1500,7 @@ static void dhd_ethtool_get_drvinfo(stru - sprintf(info->bus_info, "%s", dev_name(&wl_cfg80211_get_sdio_func()->dev)); - } - --struct ethtool_ops dhd_ethtool_ops = { -+const struct ethtool_ops dhd_ethtool_ops = { - .get_drvinfo = dhd_ethtool_get_drvinfo - }; - -@@ -1923,7 +1923,7 @@ dhd_pub_t *dhd_attach(struct dhd_bus *bu - strcpy(nv_path, nvram_path); - - /* Allocate etherdev, including space for private structure */ -- net = alloc_etherdev(sizeof(dhd)); -+ net = alloc_etherdev(sizeof(*dhd)); - if (!net) { - DHD_ERROR(("%s: OOM - alloc_etherdev\n", __func__)); - goto fail; -@@ -1939,7 +1939,7 @@ dhd_pub_t *dhd_attach(struct dhd_bus *bu - /* - * Save the dhd_info into the priv - */ -- memcpy(netdev_priv(net), &dhd, sizeof(dhd)); -+ memcpy(netdev_priv(net), dhd, sizeof(*dhd)); - - /* Set network interface name if it was provided as module parameter */ - if (iface_name[0]) { -@@ -2056,7 +2056,7 @@ dhd_pub_t *dhd_attach(struct dhd_bus *bu - /* - * Save the dhd_info into the priv - */ -- memcpy(netdev_priv(net), &dhd, sizeof(dhd)); -+ memcpy(netdev_priv(net), dhd, sizeof(*dhd)); - - #if defined(CUSTOMER_HW2) && defined(CONFIG_WIFI_CONTROL_FUNC) - g_bus = bus; -@@ -2206,7 +2206,7 @@ dhd_iovar(dhd_pub_t *pub, int ifidx, cha - return ret; - } - --static struct net_device_ops dhd_ops_pri = { -+static const struct net_device_ops dhd_ops_pri = { - .ndo_open = dhd_open, - .ndo_stop = dhd_stop, - .ndo_get_stats = dhd_get_stats, -diff -urNp linux-2.6.39.3/drivers/staging/brcm80211/brcmfmac/wl_cfg80211.c linux-2.6.39.3/drivers/staging/brcm80211/brcmfmac/wl_cfg80211.c ---- linux-2.6.39.3/drivers/staging/brcm80211/brcmfmac/wl_cfg80211.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/staging/brcm80211/brcmfmac/wl_cfg80211.c 2011-05-22 19:36:32.000000000 -0400 -@@ -2109,7 +2109,7 @@ wl_cfg80211_flush_pmksa(struct wiphy *wi - - } - --static struct cfg80211_ops wl_cfg80211_ops = { -+static const struct cfg80211_ops wl_cfg80211_ops = { - .change_virtual_intf = wl_cfg80211_change_iface, - .scan = wl_cfg80211_scan, - .set_wiphy_params = wl_cfg80211_set_wiphy_params, -diff -urNp linux-2.6.39.3/drivers/staging/brcm80211/brcmfmac/wl_iw.c linux-2.6.39.3/drivers/staging/brcm80211/brcmfmac/wl_iw.c ---- linux-2.6.39.3/drivers/staging/brcm80211/brcmfmac/wl_iw.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/staging/brcm80211/brcmfmac/wl_iw.c 2011-05-22 19:36:32.000000000 -0400 -@@ -495,7 +495,7 @@ wl_iw_get_range(struct net_device *dev, - list = (wl_u32_list_t *) channels; - - dwrq->length = sizeof(struct iw_range); -- memset(range, 0, sizeof(range)); -+ memset(range, 0, sizeof(*range)); - - range->min_nwid = range->max_nwid = 0; - -diff -urNp linux-2.6.39.3/drivers/staging/comedi/comedi_fops.c linux-2.6.39.3/drivers/staging/comedi/comedi_fops.c ---- linux-2.6.39.3/drivers/staging/comedi/comedi_fops.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/staging/comedi/comedi_fops.c 2011-05-22 19:36:32.000000000 -0400 -@@ -1445,7 +1445,7 @@ static void comedi_unmap(struct vm_area_ - mutex_unlock(&dev->mutex); - } - --static struct vm_operations_struct comedi_vm_ops = { -+static const struct vm_operations_struct comedi_vm_ops = { - .close = comedi_unmap, - }; - -diff -urNp linux-2.6.39.3/drivers/staging/cx25821/cx25821-alsa.c linux-2.6.39.3/drivers/staging/cx25821/cx25821-alsa.c ---- linux-2.6.39.3/drivers/staging/cx25821/cx25821-alsa.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/staging/cx25821/cx25821-alsa.c 2011-05-22 19:36:32.000000000 -0400 -@@ -586,7 +586,7 @@ static struct page *snd_cx25821_page(str - /* - * operators - */ --static struct snd_pcm_ops snd_cx25821_pcm_ops = { -+static const struct snd_pcm_ops snd_cx25821_pcm_ops = { - .open = snd_cx25821_pcm_open, - .close = snd_cx25821_close, - .ioctl = snd_pcm_lib_ioctl, -diff -urNp linux-2.6.39.3/drivers/staging/cx25821/cx25821-i2c.c linux-2.6.39.3/drivers/staging/cx25821/cx25821-i2c.c ---- linux-2.6.39.3/drivers/staging/cx25821/cx25821-i2c.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/staging/cx25821/cx25821-i2c.c 2011-05-22 19:36:32.000000000 -0400 -@@ -282,7 +282,7 @@ static u32 cx25821_functionality(struct - I2C_FUNC_SMBUS_READ_WORD_DATA | I2C_FUNC_SMBUS_WRITE_WORD_DATA; - } - --static struct i2c_algorithm cx25821_i2c_algo_template = { -+static const struct i2c_algorithm cx25821_i2c_algo_template = { - .master_xfer = i2c_xfer, - .functionality = cx25821_functionality, - #ifdef NEED_ALGO_CONTROL -diff -urNp linux-2.6.39.3/drivers/staging/et131x/et1310_tx.c linux-2.6.39.3/drivers/staging/et131x/et1310_tx.c ---- linux-2.6.39.3/drivers/staging/et131x/et1310_tx.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/staging/et131x/et1310_tx.c 2011-05-22 19:36:32.000000000 -0400 -@@ -635,11 +635,11 @@ inline void et131x_free_send_packet(stru - struct net_device_stats *stats = &etdev->net_stats; - - if (tcb->flags & fMP_DEST_BROAD) -- atomic_inc(&etdev->Stats.brdcstxmt); -+ atomic_inc_unchecked(&etdev->Stats.brdcstxmt); - else if (tcb->flags & fMP_DEST_MULTI) -- atomic_inc(&etdev->Stats.multixmt); -+ atomic_inc_unchecked(&etdev->Stats.multixmt); - else -- atomic_inc(&etdev->Stats.unixmt); -+ atomic_inc_unchecked(&etdev->Stats.unixmt); - - if (tcb->skb) { - stats->tx_bytes += tcb->skb->len; -diff -urNp linux-2.6.39.3/drivers/staging/et131x/et131x_adapter.h linux-2.6.39.3/drivers/staging/et131x/et131x_adapter.h ---- linux-2.6.39.3/drivers/staging/et131x/et131x_adapter.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/staging/et131x/et131x_adapter.h 2011-05-22 19:36:32.000000000 -0400 -@@ -110,11 +110,11 @@ typedef struct _ce_stats_t { - * operations - */ - u32 unircv; /* # multicast packets received */ -- atomic_t unixmt; /* # multicast packets for Tx */ -+ atomic_unchecked_t unixmt; /* # multicast packets for Tx */ - u32 multircv; /* # multicast packets received */ -- atomic_t multixmt; /* # multicast packets for Tx */ -+ atomic_unchecked_t multixmt; /* # multicast packets for Tx */ - u32 brdcstrcv; /* # broadcast packets received */ -- atomic_t brdcstxmt; /* # broadcast packets for Tx */ -+ atomic_unchecked_t brdcstxmt; /* # broadcast packets for Tx */ - u32 norcvbuf; /* # Rx packets discarded */ - u32 noxmtbuf; /* # Tx packets discarded */ - -diff -urNp linux-2.6.39.3/drivers/staging/ft1000/ft1000-usb/ft1000_debug.c linux-2.6.39.3/drivers/staging/ft1000/ft1000-usb/ft1000_debug.c ---- linux-2.6.39.3/drivers/staging/ft1000/ft1000-usb/ft1000_debug.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/staging/ft1000/ft1000-usb/ft1000_debug.c 2011-05-22 19:36:32.000000000 -0400 -@@ -55,7 +55,7 @@ int numofmsgbuf = 0; - // - // Table of entry-point routines for char device - // --static struct file_operations ft1000fops = -+static const struct file_operations ft1000fops = - { - .unlocked_ioctl = ft1000_ioctl, - .poll = ft1000_poll_dev, -diff -urNp linux-2.6.39.3/drivers/staging/generic_serial/rio/rio_linux.c linux-2.6.39.3/drivers/staging/generic_serial/rio/rio_linux.c ---- linux-2.6.39.3/drivers/staging/generic_serial/rio/rio_linux.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/staging/generic_serial/rio/rio_linux.c 2011-05-22 19:36:32.000000000 -0400 -@@ -221,7 +221,7 @@ module_param(rio_poll, int, 0); - module_param(rio_debug, int, 0644); - module_param(rio_irqmask, long, 0); - --static struct real_driver rio_real_driver = { -+static const struct real_driver rio_real_driver = { - rio_disable_tx_interrupts, - rio_enable_tx_interrupts, - rio_disable_rx_interrupts, -diff -urNp linux-2.6.39.3/drivers/staging/generic_serial/ser_a2232.c linux-2.6.39.3/drivers/staging/generic_serial/ser_a2232.c ---- linux-2.6.39.3/drivers/staging/generic_serial/ser_a2232.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/staging/generic_serial/ser_a2232.c 2011-05-22 19:36:32.000000000 -0400 -@@ -144,7 +144,7 @@ static int a2232_open(struct tty_struct - /*--------------------------------------------------------------------------- - * Interface from generic_serial.c back here - *--------------------------------------------------------------------------*/ --static struct real_driver a2232_real_driver = { -+static const struct real_driver a2232_real_driver = { - a2232_disable_tx_interrupts, - a2232_enable_tx_interrupts, - a2232_disable_rx_interrupts, -diff -urNp linux-2.6.39.3/drivers/staging/generic_serial/sx.c linux-2.6.39.3/drivers/staging/generic_serial/sx.c ---- linux-2.6.39.3/drivers/staging/generic_serial/sx.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/staging/generic_serial/sx.c 2011-05-22 19:36:32.000000000 -0400 -@@ -355,7 +355,7 @@ module_param(sx_irqmask, int, 0); - - MODULE_LICENSE("GPL"); - --static struct real_driver sx_real_driver = { -+static const struct real_driver sx_real_driver = { - sx_disable_tx_interrupts, - sx_enable_tx_interrupts, - sx_disable_rx_interrupts, -diff -urNp linux-2.6.39.3/drivers/staging/generic_serial/vme_scc.c linux-2.6.39.3/drivers/staging/generic_serial/vme_scc.c ---- linux-2.6.39.3/drivers/staging/generic_serial/vme_scc.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/staging/generic_serial/vme_scc.c 2011-05-22 19:36:32.000000000 -0400 -@@ -94,7 +94,7 @@ static struct scc_port scc_ports[2]; - * Interface from generic_serial.c back here - *--------------------------------------------------------------------------*/ - --static struct real_driver scc_real_driver = { -+static const struct real_driver scc_real_driver = { - scc_disable_tx_interrupts, - scc_enable_tx_interrupts, - scc_disable_rx_interrupts, -diff -urNp linux-2.6.39.3/drivers/staging/gma500/psb_fb.c linux-2.6.39.3/drivers/staging/gma500/psb_fb.c ---- linux-2.6.39.3/drivers/staging/gma500/psb_fb.c 2011-06-25 12:55:22.000000000 -0400 -+++ linux-2.6.39.3/drivers/staging/gma500/psb_fb.c 2011-06-25 13:00:26.000000000 -0400 -@@ -230,7 +230,7 @@ static void psbfb_vm_close(struct vm_are - DRM_DEBUG("vm_close\n"); - } - --static struct vm_operations_struct psbfb_vm_ops = { -+static const struct vm_operations_struct psbfb_vm_ops = { - .fault = psbfb_vm_fault, - .open = psbfb_vm_open, - .close = psbfb_vm_close -diff -urNp linux-2.6.39.3/drivers/staging/go7007/go7007-i2c.c linux-2.6.39.3/drivers/staging/go7007/go7007-i2c.c ---- linux-2.6.39.3/drivers/staging/go7007/go7007-i2c.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/staging/go7007/go7007-i2c.c 2011-05-22 19:36:32.000000000 -0400 -@@ -198,7 +198,7 @@ static u32 go7007_functionality(struct i - return I2C_FUNC_SMBUS_BYTE_DATA; - } - --static struct i2c_algorithm go7007_algo = { -+static const struct i2c_algorithm go7007_algo = { - .smbus_xfer = go7007_smbus_xfer, - .master_xfer = go7007_i2c_master_xfer, - .functionality = go7007_functionality, -diff -urNp linux-2.6.39.3/drivers/staging/go7007/go7007-usb.c linux-2.6.39.3/drivers/staging/go7007/go7007-usb.c ---- linux-2.6.39.3/drivers/staging/go7007/go7007-usb.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/staging/go7007/go7007-usb.c 2011-05-22 19:36:32.000000000 -0400 -@@ -849,7 +849,7 @@ static int go7007_usb_send_firmware(stru - &transferred, timeout); - } - --static struct go7007_hpi_ops go7007_usb_ezusb_hpi_ops = { -+static const struct go7007_hpi_ops go7007_usb_ezusb_hpi_ops = { - .interface_reset = go7007_usb_interface_reset, - .write_interrupt = go7007_usb_ezusb_write_interrupt, - .read_interrupt = go7007_usb_read_interrupt, -@@ -858,7 +858,7 @@ static struct go7007_hpi_ops go7007_usb_ - .send_firmware = go7007_usb_send_firmware, - }; - --static struct go7007_hpi_ops go7007_usb_onboard_hpi_ops = { -+static const struct go7007_hpi_ops go7007_usb_onboard_hpi_ops = { - .interface_reset = go7007_usb_interface_reset, - .write_interrupt = go7007_usb_onboard_write_interrupt, - .read_interrupt = go7007_usb_read_interrupt, -@@ -950,7 +950,7 @@ static u32 go7007_usb_functionality(stru - return (I2C_FUNC_SMBUS_EMUL) & ~I2C_FUNC_SMBUS_QUICK; - } - --static struct i2c_algorithm go7007_usb_algo = { -+static const struct i2c_algorithm go7007_usb_algo = { - .master_xfer = go7007_usb_i2c_master_xfer, - .functionality = go7007_usb_functionality, - }; -diff -urNp linux-2.6.39.3/drivers/staging/go7007/go7007-v4l2.c linux-2.6.39.3/drivers/staging/go7007/go7007-v4l2.c ---- linux-2.6.39.3/drivers/staging/go7007/go7007-v4l2.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/staging/go7007/go7007-v4l2.c 2011-05-22 19:36:32.000000000 -0400 -@@ -1672,7 +1672,7 @@ static int go7007_vm_fault(struct vm_are - return 0; - } - --static struct vm_operations_struct go7007_vm_ops = { -+static const struct vm_operations_struct go7007_vm_ops = { - .open = go7007_vm_open, - .close = go7007_vm_close, - .fault = go7007_vm_fault, -diff -urNp linux-2.6.39.3/drivers/staging/go7007/saa7134-go7007.c linux-2.6.39.3/drivers/staging/go7007/saa7134-go7007.c ---- linux-2.6.39.3/drivers/staging/go7007/saa7134-go7007.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/staging/go7007/saa7134-go7007.c 2011-05-22 19:36:32.000000000 -0400 -@@ -421,7 +421,7 @@ static int saa7134_go7007_send_command(s - - } - --static struct go7007_hpi_ops saa7134_go7007_hpi_ops = { -+static const struct go7007_hpi_ops saa7134_go7007_hpi_ops = { - .interface_reset = saa7134_go7007_interface_reset, - .write_interrupt = saa7134_go7007_write_interrupt, - .read_interrupt = saa7134_go7007_read_interrupt, -diff -urNp linux-2.6.39.3/drivers/staging/go7007/snd-go7007.c linux-2.6.39.3/drivers/staging/go7007/snd-go7007.c ---- linux-2.6.39.3/drivers/staging/go7007/snd-go7007.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/staging/go7007/snd-go7007.c 2011-05-22 19:36:32.000000000 -0400 -@@ -204,7 +204,7 @@ static struct page *go7007_snd_pcm_page( - return vmalloc_to_page(substream->runtime->dma_area + offset); - } - --static struct snd_pcm_ops go7007_snd_capture_ops = { -+static const struct snd_pcm_ops go7007_snd_capture_ops = { - .open = go7007_snd_capture_open, - .close = go7007_snd_capture_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -227,7 +227,7 @@ static int go7007_snd_free(struct snd_de - return 0; - } - --static struct snd_device_ops go7007_snd_device_ops = { -+static const struct snd_device_ops go7007_snd_device_ops = { - .dev_free = go7007_snd_free, - }; - -diff -urNp linux-2.6.39.3/drivers/staging/hv/channel.c linux-2.6.39.3/drivers/staging/hv/channel.c ---- linux-2.6.39.3/drivers/staging/hv/channel.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/staging/hv/channel.c 2011-05-22 19:36:32.000000000 -0400 -@@ -509,8 +509,8 @@ int vmbus_establish_gpadl(struct vmbus_c - unsigned long flags; - int ret = 0; - -- next_gpadl_handle = atomic_read(&vmbus_connection.next_gpadl_handle); -- atomic_inc(&vmbus_connection.next_gpadl_handle); -+ next_gpadl_handle = atomic_read_unchecked(&vmbus_connection.next_gpadl_handle); -+ atomic_inc_unchecked(&vmbus_connection.next_gpadl_handle); - - ret = create_gpadl_header(kbuffer, size, &msginfo, &msgcount); - if (ret) -diff -urNp linux-2.6.39.3/drivers/staging/hv/hv.c linux-2.6.39.3/drivers/staging/hv/hv.c ---- linux-2.6.39.3/drivers/staging/hv/hv.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/staging/hv/hv.c 2011-05-22 19:36:32.000000000 -0400 -@@ -163,7 +163,7 @@ static u64 do_hypercall(u64 control, voi - u64 output_address = (output) ? virt_to_phys(output) : 0; - u32 output_address_hi = output_address >> 32; - u32 output_address_lo = output_address & 0xFFFFFFFF; -- volatile void *hypercall_page = hv_context.hypercall_page; -+ volatile void *hypercall_page = ktva_ktla(hv_context.hypercall_page); - - DPRINT_DBG(VMBUS, "Hypercall <control %llx input %p output %p>", - control, input, output); -diff -urNp linux-2.6.39.3/drivers/staging/hv/rndis_filter.c linux-2.6.39.3/drivers/staging/hv/rndis_filter.c ---- linux-2.6.39.3/drivers/staging/hv/rndis_filter.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/staging/hv/rndis_filter.c 2011-05-22 19:36:32.000000000 -0400 -@@ -49,7 +49,7 @@ struct rndis_device { - - enum rndis_device_state state; - u32 link_stat; -- atomic_t new_req_id; -+ atomic_unchecked_t new_req_id; - - spinlock_t request_lock; - struct list_head req_list; -@@ -144,7 +144,7 @@ static struct rndis_request *get_rndis_r - * template - */ - set = &rndis_msg->msg.set_req; -- set->req_id = atomic_inc_return(&dev->new_req_id); -+ set->req_id = atomic_inc_return_unchecked(&dev->new_req_id); - - /* Add to the request list */ - spin_lock_irqsave(&dev->request_lock, flags); -@@ -709,7 +709,7 @@ static void rndis_filter_halt_device(str - - /* Setup the rndis set */ - halt = &request->request_msg.msg.halt_req; -- halt->req_id = atomic_inc_return(&dev->new_req_id); -+ halt->req_id = atomic_inc_return_unchecked(&dev->new_req_id); - - /* Ignore return since this msg is optional. */ - rndis_filter_send_request(dev, request); -diff -urNp linux-2.6.39.3/drivers/staging/hv/vmbus_drv.c linux-2.6.39.3/drivers/staging/hv/vmbus_drv.c ---- linux-2.6.39.3/drivers/staging/hv/vmbus_drv.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/staging/hv/vmbus_drv.c 2011-05-22 19:36:32.000000000 -0400 -@@ -661,14 +661,14 @@ int vmbus_child_device_register(struct h - { - int ret = 0; - -- static atomic_t device_num = ATOMIC_INIT(0); -+ static atomic_unchecked_t device_num = ATOMIC_INIT(0); - - DPRINT_DBG(VMBUS_DRV, "child device (%p) registering", - child_device_obj); - - /* Set the device name. Otherwise, device_register() will fail. */ - dev_set_name(&child_device_obj->device, "vmbus_0_%d", -- atomic_inc_return(&device_num)); -+ atomic_inc_return_unchecked(&device_num)); - - /* The new device belongs to this bus */ - child_device_obj->device.bus = &vmbus_drv.bus; /* device->dev.bus; */ -diff -urNp linux-2.6.39.3/drivers/staging/hv/vmbus_private.h linux-2.6.39.3/drivers/staging/hv/vmbus_private.h ---- linux-2.6.39.3/drivers/staging/hv/vmbus_private.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/staging/hv/vmbus_private.h 2011-05-22 19:36:32.000000000 -0400 -@@ -58,7 +58,7 @@ enum vmbus_connect_state { - struct vmbus_connection { - enum vmbus_connect_state conn_state; - -- atomic_t next_gpadl_handle; -+ atomic_unchecked_t next_gpadl_handle; - - /* - * Represents channel interrupts. Each bit position represents a -diff -urNp linux-2.6.39.3/drivers/staging/iio/ring_generic.h linux-2.6.39.3/drivers/staging/iio/ring_generic.h ---- linux-2.6.39.3/drivers/staging/iio/ring_generic.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/staging/iio/ring_generic.h 2011-05-25 16:55:27.000000000 -0400 -@@ -134,7 +134,7 @@ struct iio_ring_buffer { - struct iio_handler access_handler; - struct iio_event_interface ev_int; - struct iio_shared_ev_pointer shared_ev_pointer; -- struct iio_ring_access_funcs access; -+ struct iio_ring_access_funcs access; - int (*preenable)(struct iio_dev *); - int (*postenable)(struct iio_dev *); - int (*predisable)(struct iio_dev *); -diff -urNp linux-2.6.39.3/drivers/staging/intel_sst/intelmid_ctrl.c linux-2.6.39.3/drivers/staging/intel_sst/intelmid_ctrl.c ---- linux-2.6.39.3/drivers/staging/intel_sst/intelmid_ctrl.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/staging/intel_sst/intelmid_ctrl.c 2011-05-22 19:36:32.000000000 -0400 -@@ -494,7 +494,7 @@ static int snd_intelmad_device_set(struc - struct snd_intelmad *intelmaddata; - struct snd_pmic_ops *scard_ops; - int ret_val = 0, vendor, status; -- struct intel_sst_pcm_control *pcm_control; -+ const struct intel_sst_pcm_control *pcm_control; - - pr_debug("snd_intelmad_device_set called\n"); - -diff -urNp linux-2.6.39.3/drivers/staging/intel_sst/intel_sst_drv_interface.c linux-2.6.39.3/drivers/staging/intel_sst/intel_sst_drv_interface.c ---- linux-2.6.39.3/drivers/staging/intel_sst/intel_sst_drv_interface.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/staging/intel_sst/intel_sst_drv_interface.c 2011-05-22 19:36:32.000000000 -0400 -@@ -470,7 +470,7 @@ int sst_device_control(int cmd, void *ar - } - - --struct intel_sst_pcm_control pcm_ops = { -+const struct intel_sst_pcm_control pcm_ops = { - .open = sst_open_pcm_stream, - .device_control = sst_device_control, - .close = sst_close_pcm_stream, -diff -urNp linux-2.6.39.3/drivers/staging/line6/capture.c linux-2.6.39.3/drivers/staging/line6/capture.c ---- linux-2.6.39.3/drivers/staging/line6/capture.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/staging/line6/capture.c 2011-05-22 19:36:32.000000000 -0400 -@@ -378,7 +378,7 @@ snd_line6_capture_pointer(struct snd_pcm - } - - /* capture operators */ --struct snd_pcm_ops snd_line6_capture_ops = { -+const struct snd_pcm_ops snd_line6_capture_ops = { - .open = snd_line6_capture_open, - .close = snd_line6_capture_close, - .ioctl = snd_pcm_lib_ioctl, -diff -urNp linux-2.6.39.3/drivers/staging/line6/capture.h linux-2.6.39.3/drivers/staging/line6/capture.h ---- linux-2.6.39.3/drivers/staging/line6/capture.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/staging/line6/capture.h 2011-05-22 19:36:32.000000000 -0400 -@@ -17,7 +17,7 @@ - #include "driver.h" - #include "pcm.h" - --extern struct snd_pcm_ops snd_line6_capture_ops; -+extern const struct snd_pcm_ops snd_line6_capture_ops; - - extern void line6_capture_copy(struct snd_line6_pcm *line6pcm, char *fbuf, - int fsize); -diff -urNp linux-2.6.39.3/drivers/staging/line6/midi.c linux-2.6.39.3/drivers/staging/line6/midi.c ---- linux-2.6.39.3/drivers/staging/line6/midi.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/staging/line6/midi.c 2011-05-22 19:36:32.000000000 -0400 -@@ -239,14 +239,14 @@ static void line6_midi_input_trigger(str - line6->line6midi->substream_receive = 0; - } - --static struct snd_rawmidi_ops line6_midi_output_ops = { -+static const struct snd_rawmidi_ops line6_midi_output_ops = { - .open = line6_midi_output_open, - .close = line6_midi_output_close, - .trigger = line6_midi_output_trigger, - .drain = line6_midi_output_drain, - }; - --static struct snd_rawmidi_ops line6_midi_input_ops = { -+static const struct snd_rawmidi_ops line6_midi_input_ops = { - .open = line6_midi_input_open, - .close = line6_midi_input_close, - .trigger = line6_midi_input_trigger, -@@ -373,7 +373,7 @@ static int snd_line6_midi_free(struct sn - */ - int line6_init_midi(struct usb_line6 *line6) - { -- static struct snd_device_ops midi_ops = { -+ static const struct snd_device_ops midi_ops = { - .dev_free = snd_line6_midi_free, - }; - -diff -urNp linux-2.6.39.3/drivers/staging/line6/pcm.c linux-2.6.39.3/drivers/staging/line6/pcm.c ---- linux-2.6.39.3/drivers/staging/line6/pcm.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/staging/line6/pcm.c 2011-05-22 19:36:32.000000000 -0400 -@@ -384,7 +384,7 @@ void line6_pcm_disconnect(struct snd_lin - int line6_init_pcm(struct usb_line6 *line6, - struct line6_pcm_properties *properties) - { -- static struct snd_device_ops pcm_ops = { -+ static const struct snd_device_ops pcm_ops = { - .dev_free = snd_line6_pcm_free, - }; - -diff -urNp linux-2.6.39.3/drivers/staging/line6/playback.c linux-2.6.39.3/drivers/staging/line6/playback.c ---- linux-2.6.39.3/drivers/staging/line6/playback.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/staging/line6/playback.c 2011-05-22 19:36:32.000000000 -0400 -@@ -536,7 +536,7 @@ snd_line6_playback_pointer(struct snd_pc - } - - /* playback operators */ --struct snd_pcm_ops snd_line6_playback_ops = { -+const struct snd_pcm_ops snd_line6_playback_ops = { - .open = snd_line6_playback_open, - .close = snd_line6_playback_close, - .ioctl = snd_pcm_lib_ioctl, -diff -urNp linux-2.6.39.3/drivers/staging/line6/playback.h linux-2.6.39.3/drivers/staging/line6/playback.h ---- linux-2.6.39.3/drivers/staging/line6/playback.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/staging/line6/playback.h 2011-05-22 19:36:32.000000000 -0400 -@@ -27,7 +27,7 @@ - */ - #define USE_CLEAR_BUFFER_WORKAROUND 1 - --extern struct snd_pcm_ops snd_line6_playback_ops; -+extern const struct snd_pcm_ops snd_line6_playback_ops; - - extern int line6_create_audio_out_urbs(struct snd_line6_pcm *line6pcm); - extern int line6_submit_audio_out_all_urbs(struct snd_line6_pcm *line6pcm); -diff -urNp linux-2.6.39.3/drivers/staging/msm/staging-devices.c linux-2.6.39.3/drivers/staging/msm/staging-devices.c ---- linux-2.6.39.3/drivers/staging/msm/staging-devices.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/staging/msm/staging-devices.c 2011-05-22 19:36:32.000000000 -0400 -@@ -211,7 +211,7 @@ static int msm_fb_lcdc_gpio_config(int o - } - - --static struct lcdc_platform_data lcdc_pdata = { -+static const struct lcdc_platform_data lcdc_pdata = { - .lcdc_gpio_config = msm_fb_lcdc_gpio_config, - }; - -diff -urNp linux-2.6.39.3/drivers/staging/octeon/ethernet.c linux-2.6.39.3/drivers/staging/octeon/ethernet.c ---- linux-2.6.39.3/drivers/staging/octeon/ethernet.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/staging/octeon/ethernet.c 2011-05-22 19:36:32.000000000 -0400 -@@ -258,11 +258,11 @@ static struct net_device_stats *cvm_oct_ - * since the RX tasklet also increments it. - */ - #ifdef CONFIG_64BIT -- atomic64_add(rx_status.dropped_packets, -- (atomic64_t *)&priv->stats.rx_dropped); -+ atomic64_add_unchecked(rx_status.dropped_packets, -+ (atomic64_unchecked_t *)&priv->stats.rx_dropped); - #else -- atomic_add(rx_status.dropped_packets, -- (atomic_t *)&priv->stats.rx_dropped); -+ atomic_add_unchecked(rx_status.dropped_packets, -+ (atomic_unchecked_t *)&priv->stats.rx_dropped); - #endif - } - -diff -urNp linux-2.6.39.3/drivers/staging/octeon/ethernet-rx.c linux-2.6.39.3/drivers/staging/octeon/ethernet-rx.c ---- linux-2.6.39.3/drivers/staging/octeon/ethernet-rx.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/staging/octeon/ethernet-rx.c 2011-05-22 19:36:32.000000000 -0400 -@@ -417,11 +417,11 @@ static int cvm_oct_napi_poll(struct napi - /* Increment RX stats for virtual ports */ - if (work->ipprt >= CVMX_PIP_NUM_INPUT_PORTS) { - #ifdef CONFIG_64BIT -- atomic64_add(1, (atomic64_t *)&priv->stats.rx_packets); -- atomic64_add(skb->len, (atomic64_t *)&priv->stats.rx_bytes); -+ atomic64_add_unchecked(1, (atomic64_unchecked_t *)&priv->stats.rx_packets); -+ atomic64_add_unchecked(skb->len, (atomic64_unchecked_t *)&priv->stats.rx_bytes); - #else -- atomic_add(1, (atomic_t *)&priv->stats.rx_packets); -- atomic_add(skb->len, (atomic_t *)&priv->stats.rx_bytes); -+ atomic_add_unchecked(1, (atomic_unchecked_t *)&priv->stats.rx_packets); -+ atomic_add_unchecked(skb->len, (atomic_unchecked_t *)&priv->stats.rx_bytes); - #endif - } - netif_receive_skb(skb); -@@ -433,9 +433,9 @@ static int cvm_oct_napi_poll(struct napi - dev->name); - */ - #ifdef CONFIG_64BIT -- atomic64_add(1, (atomic64_t *)&priv->stats.rx_dropped); -+ atomic64_unchecked_add(1, (atomic64_unchecked_t *)&priv->stats.rx_dropped); - #else -- atomic_add(1, (atomic_t *)&priv->stats.rx_dropped); -+ atomic_add_unchecked(1, (atomic_unchecked_t *)&priv->stats.rx_dropped); - #endif - dev_kfree_skb_irq(skb); - } -diff -urNp linux-2.6.39.3/drivers/staging/olpc_dcon/olpc_dcon.c linux-2.6.39.3/drivers/staging/olpc_dcon/olpc_dcon.c ---- linux-2.6.39.3/drivers/staging/olpc_dcon/olpc_dcon.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/staging/olpc_dcon/olpc_dcon.c 2011-05-22 19:36:32.000000000 -0400 -@@ -43,7 +43,7 @@ module_param(noinit, int, 0444); - static int useaa = 1; - module_param(useaa, int, 0444); - --static struct dcon_platform_data *pdata; -+static const struct dcon_platform_data *pdata; - - /* I2C structures */ - -diff -urNp linux-2.6.39.3/drivers/staging/olpc_dcon/olpc_dcon.h linux-2.6.39.3/drivers/staging/olpc_dcon/olpc_dcon.h ---- linux-2.6.39.3/drivers/staging/olpc_dcon/olpc_dcon.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/staging/olpc_dcon/olpc_dcon.h 2011-05-22 19:36:32.000000000 -0400 -@@ -92,11 +92,11 @@ struct dcon_platform_data { - extern irqreturn_t dcon_interrupt(int irq, void *id); - - #ifdef CONFIG_FB_OLPC_DCON_1 --extern struct dcon_platform_data dcon_pdata_xo_1; -+extern const struct dcon_platform_data dcon_pdata_xo_1; - #endif - - #ifdef CONFIG_FB_OLPC_DCON_1_5 --extern struct dcon_platform_data dcon_pdata_xo_1_5; -+extern const struct dcon_platform_data dcon_pdata_xo_1_5; - #endif - - #endif -diff -urNp linux-2.6.39.3/drivers/staging/olpc_dcon/olpc_dcon_xo_1_5.c linux-2.6.39.3/drivers/staging/olpc_dcon/olpc_dcon_xo_1_5.c ---- linux-2.6.39.3/drivers/staging/olpc_dcon/olpc_dcon_xo_1_5.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/staging/olpc_dcon/olpc_dcon_xo_1_5.c 2011-05-22 19:36:32.000000000 -0400 -@@ -185,7 +185,7 @@ static u8 dcon_read_status_xo_1_5(void) - return status; - } - --struct dcon_platform_data dcon_pdata_xo_1_5 = { -+const struct dcon_platform_data dcon_pdata_xo_1_5 = { - .init = dcon_init_xo_1_5, - .bus_stabilize_wiggle = dcon_wiggle_xo_1_5, - .set_dconload = dcon_set_dconload_xo_1_5, -diff -urNp linux-2.6.39.3/drivers/staging/olpc_dcon/olpc_dcon_xo_1.c linux-2.6.39.3/drivers/staging/olpc_dcon/olpc_dcon_xo_1.c ---- linux-2.6.39.3/drivers/staging/olpc_dcon/olpc_dcon_xo_1.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/staging/olpc_dcon/olpc_dcon_xo_1.c 2011-05-22 19:36:32.000000000 -0400 -@@ -196,7 +196,7 @@ static u8 dcon_read_status_xo_1(void) - return status; - } - --struct dcon_platform_data dcon_pdata_xo_1 = { -+const struct dcon_platform_data dcon_pdata_xo_1 = { - .init = dcon_init_xo_1, - .bus_stabilize_wiggle = dcon_wiggle_xo_1, - .set_dconload = dcon_set_dconload_1, -diff -urNp linux-2.6.39.3/drivers/staging/phison/phison.c linux-2.6.39.3/drivers/staging/phison/phison.c ---- linux-2.6.39.3/drivers/staging/phison/phison.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/staging/phison/phison.c 2011-05-22 19:36:32.000000000 -0400 -@@ -43,7 +43,7 @@ static struct scsi_host_template phison_ - ATA_BMDMA_SHT(DRV_NAME), - }; - --static struct ata_port_operations phison_ops = { -+static const struct ata_port_operations phison_ops = { - .inherits = &ata_bmdma_port_ops, - .prereset = phison_pre_reset, - }; -diff -urNp linux-2.6.39.3/drivers/staging/pohmelfs/inode.c linux-2.6.39.3/drivers/staging/pohmelfs/inode.c ---- linux-2.6.39.3/drivers/staging/pohmelfs/inode.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/staging/pohmelfs/inode.c 2011-05-22 19:36:32.000000000 -0400 -@@ -1855,7 +1855,7 @@ static int pohmelfs_fill_super(struct su - mutex_init(&psb->mcache_lock); - psb->mcache_root = RB_ROOT; - psb->mcache_timeout = msecs_to_jiffies(5000); -- atomic_long_set(&psb->mcache_gen, 0); -+ atomic_long_set_unchecked(&psb->mcache_gen, 0); - - psb->trans_max_pages = 100; - -@@ -1870,7 +1870,7 @@ static int pohmelfs_fill_super(struct su - INIT_LIST_HEAD(&psb->crypto_ready_list); - INIT_LIST_HEAD(&psb->crypto_active_list); - -- atomic_set(&psb->trans_gen, 1); -+ atomic_set_unchecked(&psb->trans_gen, 1); - atomic_long_set(&psb->total_inodes, 0); - - mutex_init(&psb->state_lock); -diff -urNp linux-2.6.39.3/drivers/staging/pohmelfs/mcache.c linux-2.6.39.3/drivers/staging/pohmelfs/mcache.c ---- linux-2.6.39.3/drivers/staging/pohmelfs/mcache.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/staging/pohmelfs/mcache.c 2011-05-22 19:36:32.000000000 -0400 -@@ -121,7 +121,7 @@ struct pohmelfs_mcache *pohmelfs_mcache_ - m->data = data; - m->start = start; - m->size = size; -- m->gen = atomic_long_inc_return(&psb->mcache_gen); -+ m->gen = atomic_long_inc_return_unchecked(&psb->mcache_gen); - - mutex_lock(&psb->mcache_lock); - err = pohmelfs_mcache_insert(psb, m); -diff -urNp linux-2.6.39.3/drivers/staging/pohmelfs/netfs.h linux-2.6.39.3/drivers/staging/pohmelfs/netfs.h ---- linux-2.6.39.3/drivers/staging/pohmelfs/netfs.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/staging/pohmelfs/netfs.h 2011-05-22 19:36:32.000000000 -0400 -@@ -571,14 +571,14 @@ struct pohmelfs_config; - struct pohmelfs_sb { - struct rb_root mcache_root; - struct mutex mcache_lock; -- atomic_long_t mcache_gen; -+ atomic_long_unchecked_t mcache_gen; - unsigned long mcache_timeout; - - unsigned int idx; - - unsigned int trans_retries; - -- atomic_t trans_gen; -+ atomic_unchecked_t trans_gen; - - unsigned int crypto_attached_size; - unsigned int crypto_align_size; -diff -urNp linux-2.6.39.3/drivers/staging/pohmelfs/trans.c linux-2.6.39.3/drivers/staging/pohmelfs/trans.c ---- linux-2.6.39.3/drivers/staging/pohmelfs/trans.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/staging/pohmelfs/trans.c 2011-05-22 19:36:32.000000000 -0400 -@@ -492,7 +492,7 @@ int netfs_trans_finish(struct netfs_tran - int err; - struct netfs_cmd *cmd = t->iovec.iov_base; - -- t->gen = atomic_inc_return(&psb->trans_gen); -+ t->gen = atomic_inc_return_unchecked(&psb->trans_gen); - - cmd->size = t->iovec.iov_len - sizeof(struct netfs_cmd) + - t->attached_size + t->attached_pages * sizeof(struct netfs_cmd); -diff -urNp linux-2.6.39.3/drivers/staging/rtl8192u/ieee80211/proc.c linux-2.6.39.3/drivers/staging/rtl8192u/ieee80211/proc.c ---- linux-2.6.39.3/drivers/staging/rtl8192u/ieee80211/proc.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/staging/rtl8192u/ieee80211/proc.c 2011-05-22 19:36:32.000000000 -0400 -@@ -87,7 +87,7 @@ static int c_show(struct seq_file *m, vo - return 0; - } - --static struct seq_operations crypto_seq_ops = { -+static const struct seq_operations crypto_seq_ops = { - .start = c_start, - .next = c_next, - .stop = c_stop, -@@ -99,7 +99,7 @@ static int crypto_info_open(struct inode - return seq_open(file, &crypto_seq_ops); - } - --static struct file_operations proc_crypto_ops = { -+static const struct file_operations proc_crypto_ops = { - .open = crypto_info_open, - .read = seq_read, - .llseek = seq_lseek, -diff -urNp linux-2.6.39.3/drivers/staging/rtl8712/rtl871x_io.h linux-2.6.39.3/drivers/staging/rtl8712/rtl871x_io.h ---- linux-2.6.39.3/drivers/staging/rtl8712/rtl871x_io.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/staging/rtl8712/rtl871x_io.h 2011-05-22 19:36:32.000000000 -0400 -@@ -107,7 +107,7 @@ struct intf_hdl { - void (*intf_hdl_unload)(u8 *priv); - void (*intf_hdl_open)(u8 *priv); - void (*intf_hdl_close)(u8 *priv); -- struct _io_ops io_ops; -+ const struct _io_ops io_ops; - }; - - struct reg_protocol_rd { -diff -urNp linux-2.6.39.3/drivers/staging/solo6x10/g723.c linux-2.6.39.3/drivers/staging/solo6x10/g723.c ---- linux-2.6.39.3/drivers/staging/solo6x10/g723.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/staging/solo6x10/g723.c 2011-05-22 19:36:32.000000000 -0400 -@@ -237,7 +237,7 @@ static int snd_solo_pcm_copy(struct snd_ - return 0; - } - --static struct snd_pcm_ops snd_solo_pcm_ops = { -+static const struct snd_pcm_ops snd_solo_pcm_ops = { - .open = snd_solo_pcm_open, - .close = snd_solo_pcm_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -334,7 +334,7 @@ static int solo_snd_pcm_init(struct solo - - int solo_g723_init(struct solo_dev *solo_dev) - { -- static struct snd_device_ops ops = { NULL }; -+ static const struct snd_device_ops ops = { NULL }; - struct snd_card *card; - struct snd_kcontrol_new kctl; - char name[32]; -diff -urNp linux-2.6.39.3/drivers/staging/spectra/ffsport.c linux-2.6.39.3/drivers/staging/spectra/ffsport.c ---- linux-2.6.39.3/drivers/staging/spectra/ffsport.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/staging/spectra/ffsport.c 2011-05-22 19:36:32.000000000 -0400 -@@ -604,7 +604,7 @@ int GLOB_SBD_unlocked_ioctl(struct block - return ret; - } - --static struct block_device_operations GLOB_SBD_ops = { -+static const struct block_device_operations GLOB_SBD_ops = { - .owner = THIS_MODULE, - .open = GLOB_SBD_open, - .release = GLOB_SBD_release, -diff -urNp linux-2.6.39.3/drivers/staging/tm6000/tm6000-alsa.c linux-2.6.39.3/drivers/staging/tm6000/tm6000-alsa.c ---- linux-2.6.39.3/drivers/staging/tm6000/tm6000-alsa.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/staging/tm6000/tm6000-alsa.c 2011-05-22 19:36:32.000000000 -0400 -@@ -380,7 +380,7 @@ static snd_pcm_uframes_t snd_tm6000_poin - /* - * operators - */ --static struct snd_pcm_ops snd_tm6000_pcm_ops = { -+static const struct snd_pcm_ops snd_tm6000_pcm_ops = { - .open = snd_tm6000_pcm_open, - .close = snd_tm6000_close, - .ioctl = snd_pcm_lib_ioctl, -diff -urNp linux-2.6.39.3/drivers/staging/tty/istallion.c linux-2.6.39.3/drivers/staging/tty/istallion.c ---- linux-2.6.39.3/drivers/staging/tty/istallion.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/staging/tty/istallion.c 2011-05-22 20:49:07.000000000 -0400 -@@ -186,7 +186,6 @@ static struct ktermios stli_deftermios - * re-used for each stats call. - */ - static comstats_t stli_comstats; --static combrd_t stli_brdstats; - static struct asystats stli_cdkstats; - - /*****************************************************************************/ -@@ -4003,6 +4002,7 @@ out: - - static int stli_getbrdstats(combrd_t __user *bp) - { -+ combrd_t stli_brdstats; - struct stlibrd *brdp; - unsigned int i; - -@@ -4226,6 +4226,8 @@ static int stli_getportstruct(struct stl - struct stliport stli_dummyport; - struct stliport *portp; - -+ pax_track_stack(); -+ - if (copy_from_user(&stli_dummyport, arg, sizeof(struct stliport))) - return -EFAULT; - portp = stli_getport(stli_dummyport.brdnr, stli_dummyport.panelnr, -@@ -4248,6 +4250,8 @@ static int stli_getbrdstruct(struct stli - struct stlibrd stli_dummybrd; - struct stlibrd *brdp; - -+ pax_track_stack(); -+ - if (copy_from_user(&stli_dummybrd, arg, sizeof(struct stlibrd))) - return -EFAULT; - if (stli_dummybrd.brdnr >= STL_MAXBRDS) -diff -urNp linux-2.6.39.3/drivers/staging/tty/stallion.c linux-2.6.39.3/drivers/staging/tty/stallion.c ---- linux-2.6.39.3/drivers/staging/tty/stallion.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/staging/tty/stallion.c 2011-05-22 19:36:32.000000000 -0400 -@@ -2406,6 +2406,8 @@ static int stl_getportstruct(struct stlp - struct stlport stl_dummyport; - struct stlport *portp; - -+ pax_track_stack(); -+ - if (copy_from_user(&stl_dummyport, arg, sizeof(struct stlport))) - return -EFAULT; - portp = stl_getport(stl_dummyport.brdnr, stl_dummyport.panelnr, -diff -urNp linux-2.6.39.3/drivers/staging/usbip/vhci.h linux-2.6.39.3/drivers/staging/usbip/vhci.h ---- linux-2.6.39.3/drivers/staging/usbip/vhci.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/staging/usbip/vhci.h 2011-05-22 19:36:32.000000000 -0400 -@@ -92,7 +92,7 @@ struct vhci_hcd { - unsigned resuming:1; - unsigned long re_timeout; - -- atomic_t seqnum; -+ atomic_unchecked_t seqnum; - - /* - * NOTE: -diff -urNp linux-2.6.39.3/drivers/staging/usbip/vhci_hcd.c linux-2.6.39.3/drivers/staging/usbip/vhci_hcd.c ---- linux-2.6.39.3/drivers/staging/usbip/vhci_hcd.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/staging/usbip/vhci_hcd.c 2011-05-22 19:36:32.000000000 -0400 -@@ -536,7 +536,7 @@ static void vhci_tx_urb(struct urb *urb) - return; - } - -- priv->seqnum = atomic_inc_return(&the_controller->seqnum); -+ priv->seqnum = atomic_inc_return_unchecked(&the_controller->seqnum); - if (priv->seqnum == 0xffff) - usbip_uinfo("seqnum max\n"); - -@@ -795,7 +795,7 @@ static int vhci_urb_dequeue(struct usb_h - return -ENOMEM; - } - -- unlink->seqnum = atomic_inc_return(&the_controller->seqnum); -+ unlink->seqnum = atomic_inc_return_unchecked(&the_controller->seqnum); - if (unlink->seqnum == 0xffff) - usbip_uinfo("seqnum max\n"); - -@@ -992,7 +992,7 @@ static int vhci_start(struct usb_hcd *hc - vdev->rhport = rhport; - } - -- atomic_set(&vhci->seqnum, 0); -+ atomic_set_unchecked(&vhci->seqnum, 0); - spin_lock_init(&vhci->lock); - - -diff -urNp linux-2.6.39.3/drivers/staging/usbip/vhci_rx.c linux-2.6.39.3/drivers/staging/usbip/vhci_rx.c ---- linux-2.6.39.3/drivers/staging/usbip/vhci_rx.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/staging/usbip/vhci_rx.c 2011-05-22 19:36:32.000000000 -0400 -@@ -81,7 +81,7 @@ static void vhci_recv_ret_submit(struct - usbip_uerr("cannot find a urb of seqnum %u\n", - pdu->base.seqnum); - usbip_uinfo("max seqnum %d\n", -- atomic_read(&the_controller->seqnum)); -+ atomic_read_unchecked(&the_controller->seqnum)); - usbip_event_add(ud, VDEV_EVENT_ERROR_TCP); - return; - } -diff -urNp linux-2.6.39.3/drivers/staging/vme/devices/vme_user.c linux-2.6.39.3/drivers/staging/vme/devices/vme_user.c ---- linux-2.6.39.3/drivers/staging/vme/devices/vme_user.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/staging/vme/devices/vme_user.c 2011-05-22 19:36:32.000000000 -0400 -@@ -138,7 +138,7 @@ static long vme_user_unlocked_ioctl(stru - static int __devinit vme_user_probe(struct device *, int, int); - static int __devexit vme_user_remove(struct device *, int, int); - --static struct file_operations vme_user_fops = { -+static const struct file_operations vme_user_fops = { - .open = vme_user_open, - .release = vme_user_release, - .read = vme_user_read, -diff -urNp linux-2.6.39.3/drivers/staging/westbridge/astoria/block/cyasblkdev_block.c linux-2.6.39.3/drivers/staging/westbridge/astoria/block/cyasblkdev_block.c ---- linux-2.6.39.3/drivers/staging/westbridge/astoria/block/cyasblkdev_block.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/staging/westbridge/astoria/block/cyasblkdev_block.c 2011-05-22 19:36:32.000000000 -0400 -@@ -426,7 +426,7 @@ int cyasblkdev_revalidate_disk(struct ge - - - /*standard block device driver interface */ --static struct block_device_operations cyasblkdev_bdops = { -+static const struct block_device_operations cyasblkdev_bdops = { - .open = cyasblkdev_blk_open, - .release = cyasblkdev_blk_release, - .ioctl = cyasblkdev_blk_ioctl, -diff -urNp linux-2.6.39.3/drivers/staging/wlags49_h2/wl_netdev.c linux-2.6.39.3/drivers/staging/wlags49_h2/wl_netdev.c ---- linux-2.6.39.3/drivers/staging/wlags49_h2/wl_netdev.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/staging/wlags49_h2/wl_netdev.c 2011-05-22 19:36:32.000000000 -0400 -@@ -474,7 +474,7 @@ static void wl_get_drvinfo(struct net_de - } - } // wl_get_drvinfo - --static struct ethtool_ops wl_ethtool_ops = { -+static const struct ethtool_ops wl_ethtool_ops = { - .get_drvinfo = wl_get_drvinfo, - .get_link = ethtool_op_get_link, - }; -diff -urNp linux-2.6.39.3/drivers/staging/wlan-ng/hfa384x_usb.c linux-2.6.39.3/drivers/staging/wlan-ng/hfa384x_usb.c ---- linux-2.6.39.3/drivers/staging/wlan-ng/hfa384x_usb.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/staging/wlan-ng/hfa384x_usb.c 2011-05-22 19:36:32.000000000 -0400 -@@ -671,7 +671,7 @@ struct usbctlx_cmd_completor { - hfa384x_cmdresult_t *result; - }; - --static inline int usbctlx_cmd_completor_fn(struct usbctlx_completor *head) -+static inline int usbctlx_cmd_completor_fn(const struct usbctlx_completor *head) - { - struct usbctlx_cmd_completor *complete; - -@@ -705,7 +705,7 @@ struct usbctlx_rrid_completor { - unsigned int riddatalen; - }; - --static int usbctlx_rrid_completor_fn(struct usbctlx_completor *head) -+static int usbctlx_rrid_completor_fn(const struct usbctlx_completor *head) - { - struct usbctlx_rrid_completor *complete; - hfa384x_rridresult_t rridresult; -@@ -768,7 +768,7 @@ struct usbctlx_rmem_completor { - }; - typedef struct usbctlx_rmem_completor usbctlx_rmem_completor_t; - --static int usbctlx_rmem_completor_fn(struct usbctlx_completor *head) -+static int usbctlx_rmem_completor_fn(const struct usbctlx_completor *head) - { - usbctlx_rmem_completor_t *complete = (usbctlx_rmem_completor_t *) head; - -diff -urNp linux-2.6.39.3/drivers/staging/zcache/tmem.c linux-2.6.39.3/drivers/staging/zcache/tmem.c ---- linux-2.6.39.3/drivers/staging/zcache/tmem.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/staging/zcache/tmem.c 2011-05-22 19:36:32.000000000 -0400 -@@ -39,7 +39,7 @@ - * A tmem host implementation must use this function to register callbacks - * for memory allocation. - */ --static struct tmem_hostops tmem_hostops; -+static const struct tmem_hostops tmem_hostops; - - static void tmem_objnode_tree_init(void); - -@@ -53,7 +53,7 @@ void tmem_register_hostops(struct tmem_h - * A tmem host implementation must use this function to register - * callbacks for a page-accessible memory (PAM) implementation - */ --static struct tmem_pamops tmem_pamops; -+static const struct tmem_pamops tmem_pamops; - - void tmem_register_pamops(struct tmem_pamops *m) - { -diff -urNp linux-2.6.39.3/drivers/staging/zcache/zcache.c linux-2.6.39.3/drivers/staging/zcache/zcache.c ---- linux-2.6.39.3/drivers/staging/zcache/zcache.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/staging/zcache/zcache.c 2011-05-22 19:36:32.000000000 -0400 -@@ -882,7 +882,7 @@ static void zcache_obj_free(struct tmem_ - kmem_cache_free(zcache_obj_cache, obj); - } - --static struct tmem_hostops zcache_hostops = { -+static const struct tmem_hostops zcache_hostops = { - .obj_alloc = zcache_obj_alloc, - .obj_free = zcache_obj_free, - .objnode_alloc = zcache_objnode_alloc, -@@ -987,7 +987,7 @@ static void zcache_pampd_free(void *pamp - } - } - --static struct tmem_pamops zcache_pamops = { -+static const struct tmem_pamops zcache_pamops = { - .create = zcache_pampd_create, - .get_data = zcache_pampd_get_data, - .free = zcache_pampd_free, -diff -urNp linux-2.6.39.3/drivers/target/target_core_alua.c linux-2.6.39.3/drivers/target/target_core_alua.c ---- linux-2.6.39.3/drivers/target/target_core_alua.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/target/target_core_alua.c 2011-05-22 19:36:32.000000000 -0400 -@@ -675,6 +675,8 @@ static int core_alua_update_tpg_primary_ - char path[ALUA_METADATA_PATH_LEN]; - int len; - -+ pax_track_stack(); -+ - memset(path, 0, ALUA_METADATA_PATH_LEN); - - len = snprintf(md_buf, tg_pt_gp->tg_pt_gp_md_buf_len, -@@ -938,6 +940,8 @@ static int core_alua_update_tpg_secondar - char path[ALUA_METADATA_PATH_LEN], wwn[ALUA_SECONDARY_METADATA_WWN_LEN]; - int len; - -+ pax_track_stack(); -+ - memset(path, 0, ALUA_METADATA_PATH_LEN); - memset(wwn, 0, ALUA_SECONDARY_METADATA_WWN_LEN); - -diff -urNp linux-2.6.39.3/drivers/target/target_core_cdb.c linux-2.6.39.3/drivers/target/target_core_cdb.c ---- linux-2.6.39.3/drivers/target/target_core_cdb.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/target/target_core_cdb.c 2011-05-22 19:36:32.000000000 -0400 -@@ -838,6 +838,8 @@ target_emulate_modesense(struct se_cmd * - int length = 0; - unsigned char buf[SE_MODE_PAGE_BUF]; - -+ pax_track_stack(); -+ - memset(buf, 0, SE_MODE_PAGE_BUF); - - switch (cdb[2] & 0x3f) { -diff -urNp linux-2.6.39.3/drivers/target/target_core_configfs.c linux-2.6.39.3/drivers/target/target_core_configfs.c ---- linux-2.6.39.3/drivers/target/target_core_configfs.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/target/target_core_configfs.c 2011-05-22 19:36:32.000000000 -0400 -@@ -1280,6 +1280,8 @@ static ssize_t target_core_dev_pr_show_a - ssize_t len = 0; - int reg_count = 0, prf_isid; - -+ pax_track_stack(); -+ - if (!(su_dev->se_dev_ptr)) - return -ENODEV; - -@@ -2682,7 +2684,7 @@ static void target_core_alua_drop_tg_pt_ - config_item_put(item); - } - --static struct configfs_group_operations target_core_alua_tg_pt_gps_group_ops = { -+static const struct configfs_group_operations target_core_alua_tg_pt_gps_group_ops = { - .make_group = &target_core_alua_create_tg_pt_gp, - .drop_item = &target_core_alua_drop_tg_pt_gp, - }; -@@ -2726,7 +2728,7 @@ static void target_core_stat_rmdir( - return; - } - --static struct configfs_group_operations target_core_stat_group_ops = { -+static const struct configfs_group_operations target_core_stat_group_ops = { - .make_group = &target_core_stat_mkdir, - .drop_item = &target_core_stat_rmdir, - }; -@@ -2939,7 +2941,7 @@ static void target_core_drop_subdev( - mutex_unlock(&hba->hba_access_mutex); - } - --static struct configfs_group_operations target_core_hba_group_ops = { -+static const struct configfs_group_operations target_core_hba_group_ops = { - .make_group = target_core_make_subdev, - .drop_item = target_core_drop_subdev, - }; -@@ -3117,7 +3119,7 @@ static void target_core_call_delhbafromt - config_item_put(item); - } - --static struct configfs_group_operations target_core_group_ops = { -+static const struct configfs_group_operations target_core_group_ops = { - .make_group = target_core_call_addhbatotarget, - .drop_item = target_core_call_delhbafromtarget, - }; -diff -urNp linux-2.6.39.3/drivers/target/target_core_fabric_configfs.c linux-2.6.39.3/drivers/target/target_core_fabric_configfs.c ---- linux-2.6.39.3/drivers/target/target_core_fabric_configfs.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/target/target_core_fabric_configfs.c 2011-05-22 19:36:32.000000000 -0400 -@@ -1174,7 +1174,7 @@ static void target_fabric_drop_wwn( - config_item_put(item); - } - --static struct configfs_group_operations target_fabric_wwn_group_ops = { -+static const struct configfs_group_operations target_fabric_wwn_group_ops = { - .make_group = target_fabric_make_wwn, - .drop_item = target_fabric_drop_wwn, - }; -diff -urNp linux-2.6.39.3/drivers/target/target_core_pr.c linux-2.6.39.3/drivers/target/target_core_pr.c ---- linux-2.6.39.3/drivers/target/target_core_pr.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/target/target_core_pr.c 2011-05-22 19:36:32.000000000 -0400 -@@ -918,6 +918,8 @@ static int __core_scsi3_check_aptpl_regi - unsigned char t_port[PR_APTPL_MAX_TPORT_LEN]; - u16 tpgt; - -+ pax_track_stack(); -+ - memset(i_port, 0, PR_APTPL_MAX_IPORT_LEN); - memset(t_port, 0, PR_APTPL_MAX_TPORT_LEN); - /* -@@ -1861,6 +1863,8 @@ static int __core_scsi3_update_aptpl_buf - ssize_t len = 0; - int reg_count = 0; - -+ pax_track_stack(); -+ - memset(buf, 0, pr_aptpl_buf_len); - /* - * Called to clear metadata once APTPL has been deactivated. -@@ -1983,6 +1987,8 @@ static int __core_scsi3_write_aptpl_to_f - char path[512]; - int ret; - -+ pax_track_stack(); -+ - memset(iov, 0, sizeof(struct iovec)); - memset(path, 0, 512); - -diff -urNp linux-2.6.39.3/drivers/target/target_core_tmr.c linux-2.6.39.3/drivers/target/target_core_tmr.c ---- linux-2.6.39.3/drivers/target/target_core_tmr.c 2011-06-03 00:04:14.000000000 -0400 -+++ linux-2.6.39.3/drivers/target/target_core_tmr.c 2011-06-03 00:32:07.000000000 -0400 -@@ -263,7 +263,7 @@ int core_tmr_lun_reset( - CMD_TFO(cmd)->get_task_tag(cmd), cmd->pr_res_key, - T_TASK(cmd)->t_task_cdbs, - atomic_read(&T_TASK(cmd)->t_task_cdbs_left), -- atomic_read(&T_TASK(cmd)->t_task_cdbs_sent), -+ atomic_read_unchecked(&T_TASK(cmd)->t_task_cdbs_sent), - atomic_read(&T_TASK(cmd)->t_transport_active), - atomic_read(&T_TASK(cmd)->t_transport_stop), - atomic_read(&T_TASK(cmd)->t_transport_sent)); -@@ -305,7 +305,7 @@ int core_tmr_lun_reset( - DEBUG_LR("LUN_RESET: got t_transport_active = 1 for" - " task: %p, t_fe_count: %d dev: %p\n", task, - fe_count, dev); -- atomic_set(&T_TASK(cmd)->t_transport_aborted, 1); -+ atomic_set_unchecked(&T_TASK(cmd)->t_transport_aborted, 1); - spin_unlock_irqrestore(&T_TASK(cmd)->t_state_lock, - flags); - core_tmr_handle_tas_abort(tmr_nacl, cmd, tas, fe_count); -@@ -315,7 +315,7 @@ int core_tmr_lun_reset( - } - DEBUG_LR("LUN_RESET: Got t_transport_active = 0 for task: %p," - " t_fe_count: %d dev: %p\n", task, fe_count, dev); -- atomic_set(&T_TASK(cmd)->t_transport_aborted, 1); -+ atomic_set_unchecked(&T_TASK(cmd)->t_transport_aborted, 1); - spin_unlock_irqrestore(&T_TASK(cmd)->t_state_lock, flags); - core_tmr_handle_tas_abort(tmr_nacl, cmd, tas, fe_count); - -diff -urNp linux-2.6.39.3/drivers/target/target_core_transport.c linux-2.6.39.3/drivers/target/target_core_transport.c ---- linux-2.6.39.3/drivers/target/target_core_transport.c 2011-06-03 00:04:14.000000000 -0400 -+++ linux-2.6.39.3/drivers/target/target_core_transport.c 2011-06-03 00:32:07.000000000 -0400 -@@ -1681,7 +1681,7 @@ struct se_device *transport_add_device_t - - dev->queue_depth = dev_limits->queue_depth; - atomic_set(&dev->depth_left, dev->queue_depth); -- atomic_set(&dev->dev_ordered_id, 0); -+ atomic_set_unchecked(&dev->dev_ordered_id, 0); - - se_dev_set_default_attribs(dev, dev_limits); - -@@ -1882,7 +1882,7 @@ static int transport_check_alloc_task_at - * Used to determine when ORDERED commands should go from - * Dormant to Active status. - */ -- cmd->se_ordered_id = atomic_inc_return(&SE_DEV(cmd)->dev_ordered_id); -+ cmd->se_ordered_id = atomic_inc_return_unchecked(&SE_DEV(cmd)->dev_ordered_id); - smp_mb__after_atomic_inc(); - DEBUG_STA("Allocated se_ordered_id: %u for Task Attr: 0x%02x on %s\n", - cmd->se_ordered_id, cmd->sam_task_attr, -@@ -2169,7 +2169,7 @@ static void transport_generic_request_fa - " t_transport_active: %d t_transport_stop: %d" - " t_transport_sent: %d\n", T_TASK(cmd)->t_task_cdbs, - atomic_read(&T_TASK(cmd)->t_task_cdbs_left), -- atomic_read(&T_TASK(cmd)->t_task_cdbs_sent), -+ atomic_read_unchecked(&T_TASK(cmd)->t_task_cdbs_sent), - atomic_read(&T_TASK(cmd)->t_task_cdbs_ex_left), - atomic_read(&T_TASK(cmd)->t_transport_active), - atomic_read(&T_TASK(cmd)->t_transport_stop), -@@ -2673,9 +2673,9 @@ check_depth: - spin_lock_irqsave(&T_TASK(cmd)->t_state_lock, flags); - atomic_set(&task->task_active, 1); - atomic_set(&task->task_sent, 1); -- atomic_inc(&T_TASK(cmd)->t_task_cdbs_sent); -+ atomic_inc_unchecked(&T_TASK(cmd)->t_task_cdbs_sent); - -- if (atomic_read(&T_TASK(cmd)->t_task_cdbs_sent) == -+ if (atomic_read_unchecked(&T_TASK(cmd)->t_task_cdbs_sent) == - T_TASK(cmd)->t_task_cdbs) - atomic_set(&cmd->transport_sent, 1); - -@@ -5568,7 +5568,7 @@ static void transport_generic_wait_for_t - atomic_set(&T_TASK(cmd)->transport_lun_stop, 0); - } - if (!atomic_read(&T_TASK(cmd)->t_transport_active) || -- atomic_read(&T_TASK(cmd)->t_transport_aborted)) -+ atomic_read_unchecked(&T_TASK(cmd)->t_transport_aborted)) - goto remove; - - atomic_set(&T_TASK(cmd)->t_transport_stop, 1); -@@ -5797,7 +5797,7 @@ int transport_check_aborted_status(struc - { - int ret = 0; - -- if (atomic_read(&T_TASK(cmd)->t_transport_aborted) != 0) { -+ if (atomic_read_unchecked(&T_TASK(cmd)->t_transport_aborted) != 0) { - if (!(send_status) || - (cmd->se_cmd_flags & SCF_SENT_DELAYED_TAS)) - return 1; -@@ -5825,7 +5825,7 @@ void transport_send_task_abort(struct se - */ - if (cmd->data_direction == DMA_TO_DEVICE) { - if (CMD_TFO(cmd)->write_pending_status(cmd) != 0) { -- atomic_inc(&T_TASK(cmd)->t_transport_aborted); -+ atomic_inc_unchecked(&T_TASK(cmd)->t_transport_aborted); - smp_mb__after_atomic_inc(); - cmd->scsi_status = SAM_STAT_TASK_ABORTED; - transport_new_cmd_failure(cmd); -@@ -5949,7 +5949,7 @@ static void transport_processing_shutdow - CMD_TFO(cmd)->get_task_tag(cmd), - T_TASK(cmd)->t_task_cdbs, - atomic_read(&T_TASK(cmd)->t_task_cdbs_left), -- atomic_read(&T_TASK(cmd)->t_task_cdbs_sent), -+ atomic_read_unchecked(&T_TASK(cmd)->t_task_cdbs_sent), - atomic_read(&T_TASK(cmd)->t_transport_active), - atomic_read(&T_TASK(cmd)->t_transport_stop), - atomic_read(&T_TASK(cmd)->t_transport_sent)); -diff -urNp linux-2.6.39.3/drivers/telephony/ixj.c linux-2.6.39.3/drivers/telephony/ixj.c ---- linux-2.6.39.3/drivers/telephony/ixj.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/telephony/ixj.c 2011-05-22 19:36:32.000000000 -0400 -@@ -4976,6 +4976,8 @@ static int ixj_daa_cid_read(IXJ *j) - bool mContinue; - char *pIn, *pOut; - -+ pax_track_stack(); -+ - if (!SCI_Prepare(j)) - return 0; - -diff -urNp linux-2.6.39.3/drivers/tty/hvc/hvc_console.h linux-2.6.39.3/drivers/tty/hvc/hvc_console.h ---- linux-2.6.39.3/drivers/tty/hvc/hvc_console.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/tty/hvc/hvc_console.h 2011-05-22 19:36:32.000000000 -0400 -@@ -82,6 +82,7 @@ extern int hvc_instantiate(uint32_t vter - /* register a vterm for hvc tty operation (module_init or hotplug add) */ - extern struct hvc_struct * hvc_alloc(uint32_t vtermno, int data, - const struct hv_ops *ops, int outbuf_size); -+ - /* remove a vterm from hvc tty operation (module_exit or hotplug remove) */ - extern int hvc_remove(struct hvc_struct *hp); - -diff -urNp linux-2.6.39.3/drivers/tty/hvc/hvc_iucv.c linux-2.6.39.3/drivers/tty/hvc/hvc_iucv.c ---- linux-2.6.39.3/drivers/tty/hvc/hvc_iucv.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/tty/hvc/hvc_iucv.c 2011-05-22 19:36:32.000000000 -0400 -@@ -1203,7 +1203,7 @@ static int param_get_vmidfilter(char *bu - - #define param_check_vmidfilter(name, p) __param_check(name, p, void) - --static struct kernel_param_ops param_ops_vmidfilter = { -+static const struct kernel_param_ops param_ops_vmidfilter = { - .set = param_set_vmidfilter, - .get = param_get_vmidfilter, - }; -diff -urNp linux-2.6.39.3/drivers/tty/hvc/hvcs.c linux-2.6.39.3/drivers/tty/hvc/hvcs.c ---- linux-2.6.39.3/drivers/tty/hvc/hvcs.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/tty/hvc/hvcs.c 2011-05-22 19:36:32.000000000 -0400 -@@ -83,6 +83,7 @@ - #include <asm/hvcserver.h> - #include <asm/uaccess.h> - #include <asm/vio.h> -+#include <asm/local.h> - - /* - * 1.3.0 -> 1.3.1 In hvcs_open memset(..,0x00,..) instead of memset(..,0x3F,00). -@@ -270,7 +271,7 @@ struct hvcs_struct { - unsigned int index; - - struct tty_struct *tty; -- int open_count; -+ local_t open_count; - - /* - * Used to tell the driver kernel_thread what operations need to take -@@ -422,7 +423,7 @@ static ssize_t hvcs_vterm_state_store(st - - spin_lock_irqsave(&hvcsd->lock, flags); - -- if (hvcsd->open_count > 0) { -+ if (local_read(&hvcsd->open_count) > 0) { - spin_unlock_irqrestore(&hvcsd->lock, flags); - printk(KERN_INFO "HVCS: vterm state unchanged. " - "The hvcs device node is still in use.\n"); -@@ -1145,7 +1146,7 @@ static int hvcs_open(struct tty_struct * - if ((retval = hvcs_partner_connect(hvcsd))) - goto error_release; - -- hvcsd->open_count = 1; -+ local_set(&hvcsd->open_count, 1); - hvcsd->tty = tty; - tty->driver_data = hvcsd; - -@@ -1179,7 +1180,7 @@ fast_open: - - spin_lock_irqsave(&hvcsd->lock, flags); - kref_get(&hvcsd->kref); -- hvcsd->open_count++; -+ local_inc(&hvcsd->open_count); - hvcsd->todo_mask |= HVCS_SCHED_READ; - spin_unlock_irqrestore(&hvcsd->lock, flags); - -@@ -1223,7 +1224,7 @@ static void hvcs_close(struct tty_struct - hvcsd = tty->driver_data; - - spin_lock_irqsave(&hvcsd->lock, flags); -- if (--hvcsd->open_count == 0) { -+ if (local_dec_and_test(&hvcsd->open_count)) { - - vio_disable_interrupts(hvcsd->vdev); - -@@ -1249,10 +1250,10 @@ static void hvcs_close(struct tty_struct - free_irq(irq, hvcsd); - kref_put(&hvcsd->kref, destroy_hvcs_struct); - return; -- } else if (hvcsd->open_count < 0) { -+ } else if (local_read(&hvcsd->open_count) < 0) { - printk(KERN_ERR "HVCS: vty-server@%X open_count: %d" - " is missmanaged.\n", -- hvcsd->vdev->unit_address, hvcsd->open_count); -+ hvcsd->vdev->unit_address, local_read(&hvcsd->open_count)); - } - - spin_unlock_irqrestore(&hvcsd->lock, flags); -@@ -1268,7 +1269,7 @@ static void hvcs_hangup(struct tty_struc - - spin_lock_irqsave(&hvcsd->lock, flags); - /* Preserve this so that we know how many kref refs to put */ -- temp_open_count = hvcsd->open_count; -+ temp_open_count = local_read(&hvcsd->open_count); - - /* - * Don't kref put inside the spinlock because the destruction -@@ -1283,7 +1284,7 @@ static void hvcs_hangup(struct tty_struc - hvcsd->tty->driver_data = NULL; - hvcsd->tty = NULL; - -- hvcsd->open_count = 0; -+ local_set(&hvcsd->open_count, 0); - - /* This will drop any buffered data on the floor which is OK in a hangup - * scenario. */ -@@ -1354,7 +1355,7 @@ static int hvcs_write(struct tty_struct - * the middle of a write operation? This is a crummy place to do this - * but we want to keep it all in the spinlock. - */ -- if (hvcsd->open_count <= 0) { -+ if (local_read(&hvcsd->open_count) <= 0) { - spin_unlock_irqrestore(&hvcsd->lock, flags); - return -ENODEV; - } -@@ -1428,7 +1429,7 @@ static int hvcs_write_room(struct tty_st - { - struct hvcs_struct *hvcsd = tty->driver_data; - -- if (!hvcsd || hvcsd->open_count <= 0) -+ if (!hvcsd || local_read(&hvcsd->open_count) <= 0) - return 0; - - return HVCS_BUFF_LEN - hvcsd->chars_in_buffer; -diff -urNp linux-2.6.39.3/drivers/tty/hvc/hvc_xen.c linux-2.6.39.3/drivers/tty/hvc/hvc_xen.c ---- linux-2.6.39.3/drivers/tty/hvc/hvc_xen.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/tty/hvc/hvc_xen.c 2011-05-22 19:36:32.000000000 -0400 -@@ -123,7 +123,7 @@ static int domU_read_console(uint32_t vt - return recv; - } - --static struct hv_ops domU_hvc_ops = { -+static const struct hv_ops domU_hvc_ops = { - .get_chars = domU_read_console, - .put_chars = domU_write_console, - .notifier_add = notifier_add_irq, -@@ -149,7 +149,7 @@ static int dom0_write_console(uint32_t v - return len; - } - --static struct hv_ops dom0_hvc_ops = { -+static const struct hv_ops dom0_hvc_ops = { - .get_chars = dom0_read_console, - .put_chars = dom0_write_console, - .notifier_add = notifier_add_irq, -@@ -160,7 +160,7 @@ static struct hv_ops dom0_hvc_ops = { - static int __init xen_hvc_init(void) - { - struct hvc_struct *hp; -- struct hv_ops *ops; -+ const struct hv_ops *ops; - - if (!xen_pv_domain()) - return -ENODEV; -@@ -205,7 +205,7 @@ static void __exit xen_hvc_fini(void) - - static int xen_cons_init(void) - { -- struct hv_ops *ops; -+ const struct hv_ops *ops; - - if (!xen_pv_domain()) - return 0; -diff -urNp linux-2.6.39.3/drivers/tty/ipwireless/tty.c linux-2.6.39.3/drivers/tty/ipwireless/tty.c ---- linux-2.6.39.3/drivers/tty/ipwireless/tty.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/tty/ipwireless/tty.c 2011-05-22 19:36:32.000000000 -0400 -@@ -29,6 +29,7 @@ - #include <linux/tty_driver.h> - #include <linux/tty_flip.h> - #include <linux/uaccess.h> -+#include <asm/local.h> - - #include "tty.h" - #include "network.h" -@@ -51,7 +52,7 @@ struct ipw_tty { - int tty_type; - struct ipw_network *network; - struct tty_struct *linux_tty; -- int open_count; -+ local_t open_count; - unsigned int control_lines; - struct mutex ipw_tty_mutex; - int tx_bytes_queued; -@@ -127,10 +128,10 @@ static int ipw_open(struct tty_struct *l - mutex_unlock(&tty->ipw_tty_mutex); - return -ENODEV; - } -- if (tty->open_count == 0) -+ if (local_read(&tty->open_count) == 0) - tty->tx_bytes_queued = 0; - -- tty->open_count++; -+ local_inc(&tty->open_count); - - tty->linux_tty = linux_tty; - linux_tty->driver_data = tty; -@@ -146,9 +147,7 @@ static int ipw_open(struct tty_struct *l - - static void do_ipw_close(struct ipw_tty *tty) - { -- tty->open_count--; -- -- if (tty->open_count == 0) { -+ if (local_dec_return(&tty->open_count) == 0) { - struct tty_struct *linux_tty = tty->linux_tty; - - if (linux_tty != NULL) { -@@ -169,7 +168,7 @@ static void ipw_hangup(struct tty_struct - return; - - mutex_lock(&tty->ipw_tty_mutex); -- if (tty->open_count == 0) { -+ if (local_read(&tty->open_count) == 0) { - mutex_unlock(&tty->ipw_tty_mutex); - return; - } -@@ -198,7 +197,7 @@ void ipwireless_tty_received(struct ipw_ - return; - } - -- if (!tty->open_count) { -+ if (!local_read(&tty->open_count)) { - mutex_unlock(&tty->ipw_tty_mutex); - return; - } -@@ -240,7 +239,7 @@ static int ipw_write(struct tty_struct * - return -ENODEV; - - mutex_lock(&tty->ipw_tty_mutex); -- if (!tty->open_count) { -+ if (!local_read(&tty->open_count)) { - mutex_unlock(&tty->ipw_tty_mutex); - return -EINVAL; - } -@@ -280,7 +279,7 @@ static int ipw_write_room(struct tty_str - if (!tty) - return -ENODEV; - -- if (!tty->open_count) -+ if (!local_read(&tty->open_count)) - return -EINVAL; - - room = IPWIRELESS_TX_QUEUE_SIZE - tty->tx_bytes_queued; -@@ -322,7 +321,7 @@ static int ipw_chars_in_buffer(struct tt - if (!tty) - return 0; - -- if (!tty->open_count) -+ if (!local_read(&tty->open_count)) - return 0; - - return tty->tx_bytes_queued; -@@ -403,7 +402,7 @@ static int ipw_tiocmget(struct tty_struc - if (!tty) - return -ENODEV; - -- if (!tty->open_count) -+ if (!local_read(&tty->open_count)) - return -EINVAL; - - return get_control_lines(tty); -@@ -419,7 +418,7 @@ ipw_tiocmset(struct tty_struct *linux_tt - if (!tty) - return -ENODEV; - -- if (!tty->open_count) -+ if (!local_read(&tty->open_count)) - return -EINVAL; - - return set_control_lines(tty, set, clear); -@@ -433,7 +432,7 @@ static int ipw_ioctl(struct tty_struct * - if (!tty) - return -ENODEV; - -- if (!tty->open_count) -+ if (!local_read(&tty->open_count)) - return -EINVAL; - - /* FIXME: Exactly how is the tty object locked here .. */ -@@ -582,7 +581,7 @@ void ipwireless_tty_free(struct ipw_tty - against a parallel ioctl etc */ - mutex_lock(&ttyj->ipw_tty_mutex); - } -- while (ttyj->open_count) -+ while (local_read(&ttyj->open_count)) - do_ipw_close(ttyj); - ipwireless_disassociate_network_ttys(network, - ttyj->channel_idx); -diff -urNp linux-2.6.39.3/drivers/tty/mxser.c linux-2.6.39.3/drivers/tty/mxser.c ---- linux-2.6.39.3/drivers/tty/mxser.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/tty/mxser.c 2011-05-22 19:36:32.000000000 -0400 -@@ -2340,7 +2340,7 @@ static const struct tty_operations mxser - .get_icount = mxser_get_icount, - }; - --struct tty_port_operations mxser_port_ops = { -+const struct tty_port_operations mxser_port_ops = { - .carrier_raised = mxser_carrier_raised, - .dtr_rts = mxser_dtr_rts, - .activate = mxser_activate, -diff -urNp linux-2.6.39.3/drivers/tty/n_gsm.c linux-2.6.39.3/drivers/tty/n_gsm.c ---- linux-2.6.39.3/drivers/tty/n_gsm.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/tty/n_gsm.c 2011-05-22 19:36:32.000000000 -0400 -@@ -1588,7 +1588,7 @@ static struct gsm_dlci *gsm_dlci_alloc(s - return NULL; - spin_lock_init(&dlci->lock); - dlci->fifo = &dlci->_fifo; -- if (kfifo_alloc(&dlci->_fifo, 4096, GFP_KERNEL) < 0) { -+ if (kfifo_alloc(&dlci->_fifo, 4096, GFP_KERNEL)) { - kfree(dlci); - return NULL; - } -diff -urNp linux-2.6.39.3/drivers/tty/n_tty.c linux-2.6.39.3/drivers/tty/n_tty.c ---- linux-2.6.39.3/drivers/tty/n_tty.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/tty/n_tty.c 2011-05-22 19:36:32.000000000 -0400 -@@ -2122,6 +2122,7 @@ void n_tty_inherit_ops(struct tty_ldisc_ - { - *ops = tty_ldisc_N_TTY; - ops->owner = NULL; -- ops->refcount = ops->flags = 0; -+ atomic_set(&ops->refcount, 0); -+ ops->flags = 0; - } - EXPORT_SYMBOL_GPL(n_tty_inherit_ops); -diff -urNp linux-2.6.39.3/drivers/tty/pty.c linux-2.6.39.3/drivers/tty/pty.c ---- linux-2.6.39.3/drivers/tty/pty.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/tty/pty.c 2011-05-22 19:36:32.000000000 -0400 -@@ -699,7 +699,18 @@ out: - return retval; - } - --static struct file_operations ptmx_fops; -+static const struct file_operations ptmx_fops = { -+ .llseek = no_llseek, -+ .read = tty_read, -+ .write = tty_write, -+ .poll = tty_poll, -+ .unlocked_ioctl = tty_ioctl, -+ .compat_ioctl = tty_compat_ioctl, -+ .open = ptmx_open, -+ .release = tty_release, -+ .fasync = tty_fasync, -+}; -+ - - static void __init unix98_pty_init(void) - { -@@ -752,10 +763,6 @@ static void __init unix98_pty_init(void) - - register_sysctl_table(pty_root_table); - -- /* Now create the /dev/ptmx special device */ -- tty_default_fops(&ptmx_fops); -- ptmx_fops.open = ptmx_open; -- - cdev_init(&ptmx_cdev, &ptmx_fops); - if (cdev_add(&ptmx_cdev, MKDEV(TTYAUX_MAJOR, 2), 1) || - register_chrdev_region(MKDEV(TTYAUX_MAJOR, 2), 1, "/dev/ptmx") < 0) -diff -urNp linux-2.6.39.3/drivers/tty/rocket.c linux-2.6.39.3/drivers/tty/rocket.c ---- linux-2.6.39.3/drivers/tty/rocket.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/tty/rocket.c 2011-05-22 19:36:32.000000000 -0400 -@@ -1277,6 +1277,8 @@ static int get_ports(struct r_port *info - struct rocket_ports tmp; - int board; - -+ pax_track_stack(); -+ - if (!retports) - return -EFAULT; - memset(&tmp, 0, sizeof (tmp)); -diff -urNp linux-2.6.39.3/drivers/tty/serial/21285.c linux-2.6.39.3/drivers/tty/serial/21285.c ---- linux-2.6.39.3/drivers/tty/serial/21285.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/tty/serial/21285.c 2011-05-22 19:36:32.000000000 -0400 -@@ -340,7 +340,7 @@ static int serial21285_verify_port(struc - return ret; - } - --static struct uart_ops serial21285_ops = { -+static const struct uart_ops serial21285_ops = { - .tx_empty = serial21285_tx_empty, - .get_mctrl = serial21285_get_mctrl, - .set_mctrl = serial21285_set_mctrl, -diff -urNp linux-2.6.39.3/drivers/tty/serial/8250.c linux-2.6.39.3/drivers/tty/serial/8250.c ---- linux-2.6.39.3/drivers/tty/serial/8250.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/tty/serial/8250.c 2011-05-22 19:36:32.000000000 -0400 -@@ -2708,7 +2708,7 @@ serial8250_type(struct uart_port *port) - return uart_config[type].name; - } - --static struct uart_ops serial8250_pops = { -+static const struct uart_ops serial8250_pops = { - .tx_empty = serial8250_tx_empty, - .set_mctrl = serial8250_set_mctrl, - .get_mctrl = serial8250_get_mctrl, -diff -urNp linux-2.6.39.3/drivers/tty/serial/altera_jtaguart.c linux-2.6.39.3/drivers/tty/serial/altera_jtaguart.c ---- linux-2.6.39.3/drivers/tty/serial/altera_jtaguart.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/tty/serial/altera_jtaguart.c 2011-05-22 19:36:32.000000000 -0400 -@@ -281,7 +281,7 @@ static int altera_jtaguart_verify_port(s - /* - * Define the basic serial functions we support. - */ --static struct uart_ops altera_jtaguart_ops = { -+static const struct uart_ops altera_jtaguart_ops = { - .tx_empty = altera_jtaguart_tx_empty, - .get_mctrl = altera_jtaguart_get_mctrl, - .set_mctrl = altera_jtaguart_set_mctrl, -diff -urNp linux-2.6.39.3/drivers/tty/serial/altera_uart.c linux-2.6.39.3/drivers/tty/serial/altera_uart.c ---- linux-2.6.39.3/drivers/tty/serial/altera_uart.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/tty/serial/altera_uart.c 2011-05-22 19:36:32.000000000 -0400 -@@ -380,7 +380,7 @@ static int altera_uart_verify_port(struc - /* - * Define the basic serial functions we support. - */ --static struct uart_ops altera_uart_ops = { -+static const struct uart_ops altera_uart_ops = { - .tx_empty = altera_uart_tx_empty, - .get_mctrl = altera_uart_get_mctrl, - .set_mctrl = altera_uart_set_mctrl, -diff -urNp linux-2.6.39.3/drivers/tty/serial/amba-pl010.c linux-2.6.39.3/drivers/tty/serial/amba-pl010.c ---- linux-2.6.39.3/drivers/tty/serial/amba-pl010.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/tty/serial/amba-pl010.c 2011-05-22 19:36:32.000000000 -0400 -@@ -529,7 +529,7 @@ static int pl010_verify_port(struct uart - return ret; - } - --static struct uart_ops amba_pl010_pops = { -+static const struct uart_ops amba_pl010_pops = { - .tx_empty = pl010_tx_empty, - .set_mctrl = pl010_set_mctrl, - .get_mctrl = pl010_get_mctrl, -diff -urNp linux-2.6.39.3/drivers/tty/serial/amba-pl011.c linux-2.6.39.3/drivers/tty/serial/amba-pl011.c ---- linux-2.6.39.3/drivers/tty/serial/amba-pl011.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/tty/serial/amba-pl011.c 2011-05-22 19:36:32.000000000 -0400 -@@ -1581,7 +1581,7 @@ static int pl010_verify_port(struct uart - return ret; - } - --static struct uart_ops amba_pl011_pops = { -+static const struct uart_ops amba_pl011_pops = { - .tx_empty = pl01x_tx_empty, - .set_mctrl = pl011_set_mctrl, - .get_mctrl = pl01x_get_mctrl, -diff -urNp linux-2.6.39.3/drivers/tty/serial/apbuart.c linux-2.6.39.3/drivers/tty/serial/apbuart.c ---- linux-2.6.39.3/drivers/tty/serial/apbuart.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/tty/serial/apbuart.c 2011-05-22 19:36:32.000000000 -0400 -@@ -328,7 +328,7 @@ static int apbuart_verify_port(struct ua - return ret; - } - --static struct uart_ops grlib_apbuart_ops = { -+static const struct uart_ops grlib_apbuart_ops = { - .tx_empty = apbuart_tx_empty, - .set_mctrl = apbuart_set_mctrl, - .get_mctrl = apbuart_get_mctrl, -diff -urNp linux-2.6.39.3/drivers/tty/serial/atmel_serial.c linux-2.6.39.3/drivers/tty/serial/atmel_serial.c ---- linux-2.6.39.3/drivers/tty/serial/atmel_serial.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/tty/serial/atmel_serial.c 2011-05-22 19:36:32.000000000 -0400 -@@ -1382,7 +1382,7 @@ atmel_ioctl(struct uart_port *port, unsi - - - --static struct uart_ops atmel_pops = { -+static const struct uart_ops atmel_pops = { - .tx_empty = atmel_tx_empty, - .set_mctrl = atmel_set_mctrl, - .get_mctrl = atmel_get_mctrl, -diff -urNp linux-2.6.39.3/drivers/tty/serial/bcm63xx_uart.c linux-2.6.39.3/drivers/tty/serial/bcm63xx_uart.c ---- linux-2.6.39.3/drivers/tty/serial/bcm63xx_uart.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/tty/serial/bcm63xx_uart.c 2011-05-22 19:36:32.000000000 -0400 -@@ -636,7 +636,7 @@ static int bcm_uart_verify_port(struct u - } - - /* serial core callbacks */ --static struct uart_ops bcm_uart_ops = { -+static const struct uart_ops bcm_uart_ops = { - .tx_empty = bcm_uart_tx_empty, - .get_mctrl = bcm_uart_get_mctrl, - .set_mctrl = bcm_uart_set_mctrl, -diff -urNp linux-2.6.39.3/drivers/tty/serial/bfin_5xx.c linux-2.6.39.3/drivers/tty/serial/bfin_5xx.c ---- linux-2.6.39.3/drivers/tty/serial/bfin_5xx.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/tty/serial/bfin_5xx.c 2011-05-22 19:36:32.000000000 -0400 -@@ -1036,7 +1036,7 @@ static int bfin_kgdboc_port_startup(stru - } - #endif - --static struct uart_ops bfin_serial_pops = { -+static const struct uart_ops bfin_serial_pops = { - .tx_empty = bfin_serial_tx_empty, - .set_mctrl = bfin_serial_set_mctrl, - .get_mctrl = bfin_serial_get_mctrl, -diff -urNp linux-2.6.39.3/drivers/tty/serial/bfin_sport_uart.c linux-2.6.39.3/drivers/tty/serial/bfin_sport_uart.c ---- linux-2.6.39.3/drivers/tty/serial/bfin_sport_uart.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/tty/serial/bfin_sport_uart.c 2011-05-22 19:36:32.000000000 -0400 -@@ -571,7 +571,7 @@ static void sport_set_termios(struct uar - spin_unlock_irqrestore(&up->port.lock, flags); - } - --struct uart_ops sport_uart_ops = { -+const struct uart_ops sport_uart_ops = { - .tx_empty = sport_tx_empty, - .set_mctrl = sport_set_mctrl, - .get_mctrl = sport_get_mctrl, -diff -urNp linux-2.6.39.3/drivers/tty/serial/clps711x.c linux-2.6.39.3/drivers/tty/serial/clps711x.c ---- linux-2.6.39.3/drivers/tty/serial/clps711x.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/tty/serial/clps711x.c 2011-05-22 19:36:32.000000000 -0400 -@@ -380,7 +380,7 @@ static int clps711xuart_request_port(str - return 0; - } - --static struct uart_ops clps711x_pops = { -+static const struct uart_ops clps711x_pops = { - .tx_empty = clps711xuart_tx_empty, - .set_mctrl = clps711xuart_set_mctrl_null, - .get_mctrl = clps711xuart_get_mctrl, -diff -urNp linux-2.6.39.3/drivers/tty/serial/cpm_uart/cpm_uart_core.c linux-2.6.39.3/drivers/tty/serial/cpm_uart/cpm_uart_core.c ---- linux-2.6.39.3/drivers/tty/serial/cpm_uart/cpm_uart_core.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/tty/serial/cpm_uart/cpm_uart_core.c 2011-05-22 19:36:32.000000000 -0400 -@@ -1099,7 +1099,7 @@ static void cpm_put_poll_char(struct uar - } - #endif /* CONFIG_CONSOLE_POLL */ - --static struct uart_ops cpm_uart_pops = { -+static const struct uart_ops cpm_uart_pops = { - .tx_empty = cpm_uart_tx_empty, - .set_mctrl = cpm_uart_set_mctrl, - .get_mctrl = cpm_uart_get_mctrl, -diff -urNp linux-2.6.39.3/drivers/tty/serial/dz.c linux-2.6.39.3/drivers/tty/serial/dz.c ---- linux-2.6.39.3/drivers/tty/serial/dz.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/tty/serial/dz.c 2011-05-22 19:36:32.000000000 -0400 -@@ -746,7 +746,7 @@ static int dz_verify_port(struct uart_po - return ret; - } - --static struct uart_ops dz_ops = { -+static const struct uart_ops dz_ops = { - .tx_empty = dz_tx_empty, - .get_mctrl = dz_get_mctrl, - .set_mctrl = dz_set_mctrl, -diff -urNp linux-2.6.39.3/drivers/tty/serial/imx.c linux-2.6.39.3/drivers/tty/serial/imx.c ---- linux-2.6.39.3/drivers/tty/serial/imx.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/tty/serial/imx.c 2011-05-22 19:36:32.000000000 -0400 -@@ -1018,7 +1018,7 @@ imx_verify_port(struct uart_port *port, - return ret; - } - --static struct uart_ops imx_pops = { -+static const struct uart_ops imx_pops = { - .tx_empty = imx_tx_empty, - .set_mctrl = imx_set_mctrl, - .get_mctrl = imx_get_mctrl, -diff -urNp linux-2.6.39.3/drivers/tty/serial/ioc3_serial.c linux-2.6.39.3/drivers/tty/serial/ioc3_serial.c ---- linux-2.6.39.3/drivers/tty/serial/ioc3_serial.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/tty/serial/ioc3_serial.c 2011-05-22 19:36:32.000000000 -0400 -@@ -1874,7 +1874,7 @@ static int ic3_request_port(struct uart_ - } - - /* Associate the uart functions above - given to serial core */ --static struct uart_ops ioc3_ops = { -+static const struct uart_ops ioc3_ops = { - .tx_empty = ic3_tx_empty, - .set_mctrl = ic3_set_mctrl, - .get_mctrl = ic3_get_mctrl, -diff -urNp linux-2.6.39.3/drivers/tty/serial/ioc4_serial.c linux-2.6.39.3/drivers/tty/serial/ioc4_serial.c ---- linux-2.6.39.3/drivers/tty/serial/ioc4_serial.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/tty/serial/ioc4_serial.c 2011-05-22 19:36:32.000000000 -0400 -@@ -2593,7 +2593,7 @@ static int ic4_request_port(struct uart_ - - /* Associate the uart functions above - given to serial core */ - --static struct uart_ops ioc4_ops = { -+static const struct uart_ops ioc4_ops = { - .tx_empty = ic4_tx_empty, - .set_mctrl = ic4_set_mctrl, - .get_mctrl = ic4_get_mctrl, -diff -urNp linux-2.6.39.3/drivers/tty/serial/ip22zilog.c linux-2.6.39.3/drivers/tty/serial/ip22zilog.c ---- linux-2.6.39.3/drivers/tty/serial/ip22zilog.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/tty/serial/ip22zilog.c 2011-05-22 19:36:32.000000000 -0400 -@@ -928,7 +928,7 @@ static int ip22zilog_verify_port(struct - return -EINVAL; - } - --static struct uart_ops ip22zilog_pops = { -+static const struct uart_ops ip22zilog_pops = { - .tx_empty = ip22zilog_tx_empty, - .set_mctrl = ip22zilog_set_mctrl, - .get_mctrl = ip22zilog_get_mctrl, -diff -urNp linux-2.6.39.3/drivers/tty/serial/kgdboc.c linux-2.6.39.3/drivers/tty/serial/kgdboc.c ---- linux-2.6.39.3/drivers/tty/serial/kgdboc.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/tty/serial/kgdboc.c 2011-05-22 19:36:32.000000000 -0400 -@@ -22,7 +22,7 @@ - - #define MAX_CONFIG_LEN 40 - --static struct kgdb_io kgdboc_io_ops; -+static struct kgdb_io kgdboc_io_ops; /* cannot be const, see configure_kgdboc() */ - - /* -1 = init not run yet, 0 = unconfigured, 1 = configured. */ - static int configured = -1; -@@ -293,7 +293,7 @@ static void kgdboc_post_exp_handler(void - kgdboc_restore_input(); - } - --static struct kgdb_io kgdboc_io_ops = { -+static struct kgdb_io kgdboc_io_ops = { /* cannot be const, see configure_kgdboc() */ - .name = "kgdboc", - .read_char = kgdboc_get_char, - .write_char = kgdboc_put_char, -diff -urNp linux-2.6.39.3/drivers/tty/serial/m32r_sio.c linux-2.6.39.3/drivers/tty/serial/m32r_sio.c ---- linux-2.6.39.3/drivers/tty/serial/m32r_sio.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/tty/serial/m32r_sio.c 2011-05-22 19:36:32.000000000 -0400 -@@ -939,7 +939,7 @@ m32r_sio_type(struct uart_port *port) - return uart_config[type].name; - } - --static struct uart_ops m32r_sio_pops = { -+static const struct uart_ops m32r_sio_pops = { - .tx_empty = m32r_sio_tx_empty, - .set_mctrl = m32r_sio_set_mctrl, - .get_mctrl = m32r_sio_get_mctrl, -diff -urNp linux-2.6.39.3/drivers/tty/serial/max3100.c linux-2.6.39.3/drivers/tty/serial/max3100.c ---- linux-2.6.39.3/drivers/tty/serial/max3100.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/tty/serial/max3100.c 2011-05-22 19:36:32.000000000 -0400 -@@ -710,7 +710,7 @@ static void max3100_break_ctl(struct uar - dev_dbg(&s->spi->dev, "%s\n", __func__); - } - --static struct uart_ops max3100_ops = { -+static const struct uart_ops max3100_ops = { - .tx_empty = max3100_tx_empty, - .set_mctrl = max3100_set_mctrl, - .get_mctrl = max3100_get_mctrl, -diff -urNp linux-2.6.39.3/drivers/tty/serial/max3107.c linux-2.6.39.3/drivers/tty/serial/max3107.c ---- linux-2.6.39.3/drivers/tty/serial/max3107.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/tty/serial/max3107.c 2011-05-22 19:36:32.000000000 -0400 -@@ -910,7 +910,7 @@ static void max3107_break_ctl(struct uar - - - /* Port functions */ --static struct uart_ops max3107_ops = { -+static const struct uart_ops max3107_ops = { - .tx_empty = max3107_tx_empty, - .set_mctrl = max3107_set_mctrl, - .get_mctrl = max3107_get_mctrl, -diff -urNp linux-2.6.39.3/drivers/tty/serial/mfd.c linux-2.6.39.3/drivers/tty/serial/mfd.c ---- linux-2.6.39.3/drivers/tty/serial/mfd.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/tty/serial/mfd.c 2011-05-22 19:36:32.000000000 -0400 -@@ -1178,7 +1178,7 @@ static struct console serial_hsu_console - }; - #endif - --struct uart_ops serial_hsu_pops = { -+const struct uart_ops serial_hsu_pops = { - .tx_empty = serial_hsu_tx_empty, - .set_mctrl = serial_hsu_set_mctrl, - .get_mctrl = serial_hsu_get_mctrl, -diff -urNp linux-2.6.39.3/drivers/tty/serial/mpc52xx_uart.c linux-2.6.39.3/drivers/tty/serial/mpc52xx_uart.c ---- linux-2.6.39.3/drivers/tty/serial/mpc52xx_uart.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/tty/serial/mpc52xx_uart.c 2011-05-22 19:36:32.000000000 -0400 -@@ -283,7 +283,7 @@ static irqreturn_t mpc52xx_psc_handle_ir - return mpc5xxx_uart_process_int(port); - } - --static struct psc_ops mpc52xx_psc_ops = { -+static const struct psc_ops mpc52xx_psc_ops = { - .fifo_init = mpc52xx_psc_fifo_init, - .raw_rx_rdy = mpc52xx_psc_raw_rx_rdy, - .raw_tx_rdy = mpc52xx_psc_raw_tx_rdy, -@@ -304,7 +304,7 @@ static struct psc_ops mpc52xx_psc_ops = - .handle_irq = mpc52xx_psc_handle_irq, - }; - --static struct psc_ops mpc5200b_psc_ops = { -+static const struct psc_ops mpc5200b_psc_ops = { - .fifo_init = mpc52xx_psc_fifo_init, - .raw_rx_rdy = mpc52xx_psc_raw_rx_rdy, - .raw_tx_rdy = mpc52xx_psc_raw_tx_rdy, -@@ -571,7 +571,7 @@ static void mpc512x_psc_get_irq(struct u - port->irq = psc_fifoc_irq; - } - --static struct psc_ops mpc512x_psc_ops = { -+static const struct psc_ops mpc512x_psc_ops = { - .fifo_init = mpc512x_psc_fifo_init, - .raw_rx_rdy = mpc512x_psc_raw_rx_rdy, - .raw_tx_rdy = mpc512x_psc_raw_tx_rdy, -@@ -596,7 +596,7 @@ static struct psc_ops mpc512x_psc_ops = - }; - #endif - --static struct psc_ops *psc_ops; -+static const struct psc_ops *psc_ops; - - /* ======================================================================== */ - /* UART operations */ -@@ -905,7 +905,7 @@ mpc52xx_uart_verify_port(struct uart_por - } - - --static struct uart_ops mpc52xx_uart_ops = { -+static const struct uart_ops mpc52xx_uart_ops = { - .tx_empty = mpc52xx_uart_tx_empty, - .set_mctrl = mpc52xx_uart_set_mctrl, - .get_mctrl = mpc52xx_uart_get_mctrl, -diff -urNp linux-2.6.39.3/drivers/tty/serial/mpsc.c linux-2.6.39.3/drivers/tty/serial/mpsc.c ---- linux-2.6.39.3/drivers/tty/serial/mpsc.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/tty/serial/mpsc.c 2011-05-22 19:36:32.000000000 -0400 -@@ -1663,7 +1663,7 @@ static void mpsc_put_poll_char(struct ua - } - #endif - --static struct uart_ops mpsc_pops = { -+static const struct uart_ops mpsc_pops = { - .tx_empty = mpsc_tx_empty, - .set_mctrl = mpsc_set_mctrl, - .get_mctrl = mpsc_get_mctrl, -diff -urNp linux-2.6.39.3/drivers/tty/serial/mrst_max3110.c linux-2.6.39.3/drivers/tty/serial/mrst_max3110.c ---- linux-2.6.39.3/drivers/tty/serial/mrst_max3110.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/tty/serial/mrst_max3110.c 2011-05-22 19:36:32.000000000 -0400 -@@ -393,6 +393,8 @@ static void max3110_con_receive(struct u - int loop = 1, num, total = 0; - u8 recv_buf[512], *pbuf; - -+ pax_track_stack(); -+ - pbuf = recv_buf; - do { - num = max3110_read_multi(max, pbuf); -@@ -726,7 +728,7 @@ static void serial_m3110_enable_ms(struc - { - } - --struct uart_ops serial_m3110_ops = { -+const struct uart_ops serial_m3110_ops = { - .tx_empty = serial_m3110_tx_empty, - .set_mctrl = serial_m3110_set_mctrl, - .get_mctrl = serial_m3110_get_mctrl, -diff -urNp linux-2.6.39.3/drivers/tty/serial/msm_serial.c linux-2.6.39.3/drivers/tty/serial/msm_serial.c ---- linux-2.6.39.3/drivers/tty/serial/msm_serial.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/tty/serial/msm_serial.c 2011-05-22 19:36:32.000000000 -0400 -@@ -702,7 +702,7 @@ static void msm_power(struct uart_port * - } - } - --static struct uart_ops msm_uart_pops = { -+static const struct uart_ops msm_uart_pops = { - .tx_empty = msm_tx_empty, - .set_mctrl = msm_set_mctrl, - .get_mctrl = msm_get_mctrl, -diff -urNp linux-2.6.39.3/drivers/tty/serial/msm_serial_hs.c linux-2.6.39.3/drivers/tty/serial/msm_serial_hs.c ---- linux-2.6.39.3/drivers/tty/serial/msm_serial_hs.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/tty/serial/msm_serial_hs.c 2011-05-22 19:36:32.000000000 -0400 -@@ -360,7 +360,7 @@ struct msm_hs_port { - static struct msm_hs_port q_uart_port[UARTDM_NR]; - static struct platform_driver msm_serial_hs_platform_driver; - static struct uart_driver msm_hs_driver; --static struct uart_ops msm_hs_ops; -+static const struct uart_ops msm_hs_ops; - static struct workqueue_struct *msm_hs_workqueue; - - #define UARTDM_TO_MSM(uart_port) \ -@@ -1856,7 +1856,7 @@ static struct uart_driver msm_hs_driver - .cons = 0, - }; - --static struct uart_ops msm_hs_ops = { -+static const struct uart_ops msm_hs_ops = { - .tx_empty = msm_hs_tx_empty, - .set_mctrl = msm_hs_set_mctrl_locked, - .get_mctrl = msm_hs_get_mctrl_locked, -diff -urNp linux-2.6.39.3/drivers/tty/serial/mux.c linux-2.6.39.3/drivers/tty/serial/mux.c ---- linux-2.6.39.3/drivers/tty/serial/mux.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/tty/serial/mux.c 2011-05-22 19:36:32.000000000 -0400 -@@ -442,7 +442,7 @@ static struct console mux_console = { - #define MUX_CONSOLE NULL - #endif - --static struct uart_ops mux_pops = { -+static const struct uart_ops mux_pops = { - .tx_empty = mux_tx_empty, - .set_mctrl = mux_set_mctrl, - .get_mctrl = mux_get_mctrl, -diff -urNp linux-2.6.39.3/drivers/tty/serial/mxs-auart.c linux-2.6.39.3/drivers/tty/serial/mxs-auart.c ---- linux-2.6.39.3/drivers/tty/serial/mxs-auart.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/tty/serial/mxs-auart.c 2011-05-22 19:36:32.000000000 -0400 -@@ -499,7 +499,7 @@ static void mxs_auart_enable_ms(struct u - /* just empty */ - } - --static struct uart_ops mxs_auart_ops = { -+static const struct uart_ops mxs_auart_ops = { - .tx_empty = mxs_auart_tx_empty, - .start_tx = mxs_auart_start_tx, - .stop_tx = mxs_auart_stop_tx, -diff -urNp linux-2.6.39.3/drivers/tty/serial/netx-serial.c linux-2.6.39.3/drivers/tty/serial/netx-serial.c ---- linux-2.6.39.3/drivers/tty/serial/netx-serial.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/tty/serial/netx-serial.c 2011-05-22 19:36:32.000000000 -0400 -@@ -464,7 +464,7 @@ netx_verify_port(struct uart_port *port, - return ret; - } - --static struct uart_ops netx_pops = { -+static const struct uart_ops netx_pops = { - .tx_empty = netx_tx_empty, - .set_mctrl = netx_set_mctrl, - .get_mctrl = netx_get_mctrl, -diff -urNp linux-2.6.39.3/drivers/tty/serial/nwpserial.c linux-2.6.39.3/drivers/tty/serial/nwpserial.c ---- linux-2.6.39.3/drivers/tty/serial/nwpserial.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/tty/serial/nwpserial.c 2011-05-22 19:36:32.000000000 -0400 -@@ -303,7 +303,7 @@ static unsigned int nwpserial_tx_empty(s - return ret & UART_LSR_TEMT ? TIOCSER_TEMT : 0; - } - --static struct uart_ops nwpserial_pops = { -+static const struct uart_ops nwpserial_pops = { - .tx_empty = nwpserial_tx_empty, - .set_mctrl = nwpserial_set_mctrl, - .get_mctrl = nwpserial_get_mctrl, -diff -urNp linux-2.6.39.3/drivers/tty/serial/omap-serial.c linux-2.6.39.3/drivers/tty/serial/omap-serial.c ---- linux-2.6.39.3/drivers/tty/serial/omap-serial.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/tty/serial/omap-serial.c 2011-05-22 19:36:32.000000000 -0400 -@@ -1029,7 +1029,7 @@ static inline void serial_omap_add_conso - - #endif - --static struct uart_ops serial_omap_pops = { -+static const struct uart_ops serial_omap_pops = { - .tx_empty = serial_omap_tx_empty, - .set_mctrl = serial_omap_set_mctrl, - .get_mctrl = serial_omap_get_mctrl, -diff -urNp linux-2.6.39.3/drivers/tty/serial/pch_uart.c linux-2.6.39.3/drivers/tty/serial/pch_uart.c ---- linux-2.6.39.3/drivers/tty/serial/pch_uart.c 2011-07-09 09:18:51.000000000 -0400 -+++ linux-2.6.39.3/drivers/tty/serial/pch_uart.c 2011-07-09 09:19:18.000000000 -0400 -@@ -1351,7 +1351,7 @@ static int pch_uart_verify_port(struct u - return 0; - } - --static struct uart_ops pch_uart_ops = { -+static const struct uart_ops pch_uart_ops = { - .tx_empty = pch_uart_tx_empty, - .set_mctrl = pch_uart_set_mctrl, - .get_mctrl = pch_uart_get_mctrl, -diff -urNp linux-2.6.39.3/drivers/tty/serial/pmac_zilog.c linux-2.6.39.3/drivers/tty/serial/pmac_zilog.c ---- linux-2.6.39.3/drivers/tty/serial/pmac_zilog.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/tty/serial/pmac_zilog.c 2011-05-22 19:36:32.000000000 -0400 -@@ -1427,7 +1427,7 @@ static void pmz_poll_put_char(struct uar - - #endif /* CONFIG_CONSOLE_POLL */ - --static struct uart_ops pmz_pops = { -+static const struct uart_ops pmz_pops = { - .tx_empty = pmz_tx_empty, - .set_mctrl = pmz_set_mctrl, - .get_mctrl = pmz_get_mctrl, -diff -urNp linux-2.6.39.3/drivers/tty/serial/pnx8xxx_uart.c linux-2.6.39.3/drivers/tty/serial/pnx8xxx_uart.c ---- linux-2.6.39.3/drivers/tty/serial/pnx8xxx_uart.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/tty/serial/pnx8xxx_uart.c 2011-05-22 19:36:32.000000000 -0400 -@@ -614,7 +614,7 @@ pnx8xxx_verify_port(struct uart_port *po - return ret; - } - --static struct uart_ops pnx8xxx_pops = { -+static const struct uart_ops pnx8xxx_pops = { - .tx_empty = pnx8xxx_tx_empty, - .set_mctrl = pnx8xxx_set_mctrl, - .get_mctrl = pnx8xxx_get_mctrl, -diff -urNp linux-2.6.39.3/drivers/tty/serial/pxa.c linux-2.6.39.3/drivers/tty/serial/pxa.c ---- linux-2.6.39.3/drivers/tty/serial/pxa.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/tty/serial/pxa.c 2011-05-22 19:36:32.000000000 -0400 -@@ -706,7 +706,7 @@ static struct console serial_pxa_console - #define PXA_CONSOLE NULL - #endif - --struct uart_ops serial_pxa_pops = { -+const struct uart_ops serial_pxa_pops = { - .tx_empty = serial_pxa_tx_empty, - .set_mctrl = serial_pxa_set_mctrl, - .get_mctrl = serial_pxa_get_mctrl, -diff -urNp linux-2.6.39.3/drivers/tty/serial/sa1100.c linux-2.6.39.3/drivers/tty/serial/sa1100.c ---- linux-2.6.39.3/drivers/tty/serial/sa1100.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/tty/serial/sa1100.c 2011-05-22 19:36:32.000000000 -0400 -@@ -577,7 +577,7 @@ sa1100_verify_port(struct uart_port *por - return ret; - } - --static struct uart_ops sa1100_pops = { -+static const struct uart_ops sa1100_pops = { - .tx_empty = sa1100_tx_empty, - .set_mctrl = sa1100_set_mctrl, - .get_mctrl = sa1100_get_mctrl, -diff -urNp linux-2.6.39.3/drivers/tty/serial/samsung.c linux-2.6.39.3/drivers/tty/serial/samsung.c ---- linux-2.6.39.3/drivers/tty/serial/samsung.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/tty/serial/samsung.c 2011-05-22 19:36:32.000000000 -0400 -@@ -860,7 +860,7 @@ static struct console s3c24xx_serial_con - #define S3C24XX_SERIAL_CONSOLE NULL - #endif - --static struct uart_ops s3c24xx_serial_ops = { -+static const struct uart_ops s3c24xx_serial_ops = { - .pm = s3c24xx_serial_pm, - .tx_empty = s3c24xx_serial_tx_empty, - .get_mctrl = s3c24xx_serial_get_mctrl, -diff -urNp linux-2.6.39.3/drivers/tty/serial/sc26xx.c linux-2.6.39.3/drivers/tty/serial/sc26xx.c ---- linux-2.6.39.3/drivers/tty/serial/sc26xx.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/tty/serial/sc26xx.c 2011-05-22 19:36:32.000000000 -0400 -@@ -515,7 +515,7 @@ static int sc26xx_verify_port(struct uar - return -EINVAL; - } - --static struct uart_ops sc26xx_ops = { -+static const struct uart_ops sc26xx_ops = { - .tx_empty = sc26xx_tx_empty, - .set_mctrl = sc26xx_set_mctrl, - .get_mctrl = sc26xx_get_mctrl, -diff -urNp linux-2.6.39.3/drivers/tty/serial/serial_ks8695.c linux-2.6.39.3/drivers/tty/serial/serial_ks8695.c ---- linux-2.6.39.3/drivers/tty/serial/serial_ks8695.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/tty/serial/serial_ks8695.c 2011-05-22 19:36:32.000000000 -0400 -@@ -528,7 +528,7 @@ static int ks8695uart_verify_port(struct - return ret; - } - --static struct uart_ops ks8695uart_pops = { -+static const struct uart_ops ks8695uart_pops = { - .tx_empty = ks8695uart_tx_empty, - .set_mctrl = ks8695uart_set_mctrl, - .get_mctrl = ks8695uart_get_mctrl, -diff -urNp linux-2.6.39.3/drivers/tty/serial/serial_txx9.c linux-2.6.39.3/drivers/tty/serial/serial_txx9.c ---- linux-2.6.39.3/drivers/tty/serial/serial_txx9.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/tty/serial/serial_txx9.c 2011-05-22 19:36:32.000000000 -0400 -@@ -857,7 +857,7 @@ serial_txx9_type(struct uart_port *port) - return "txx9"; - } - --static struct uart_ops serial_txx9_pops = { -+static const struct uart_ops serial_txx9_pops = { - .tx_empty = serial_txx9_tx_empty, - .set_mctrl = serial_txx9_set_mctrl, - .get_mctrl = serial_txx9_get_mctrl, -diff -urNp linux-2.6.39.3/drivers/tty/serial/sn_console.c linux-2.6.39.3/drivers/tty/serial/sn_console.c ---- linux-2.6.39.3/drivers/tty/serial/sn_console.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/tty/serial/sn_console.c 2011-05-22 19:36:32.000000000 -0400 -@@ -388,7 +388,7 @@ static void snp_config_port(struct uart_ - - /* Associate the uart functions above - given to serial core */ - --static struct uart_ops sn_console_ops = { -+static const struct uart_ops sn_console_ops = { - .tx_empty = snp_tx_empty, - .set_mctrl = snp_set_mctrl, - .get_mctrl = snp_get_mctrl, -diff -urNp linux-2.6.39.3/drivers/tty/serial/sunhv.c linux-2.6.39.3/drivers/tty/serial/sunhv.c ---- linux-2.6.39.3/drivers/tty/serial/sunhv.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/tty/serial/sunhv.c 2011-05-22 19:36:32.000000000 -0400 -@@ -168,12 +168,12 @@ struct sunhv_ops { - int (*receive_chars)(struct uart_port *port, struct tty_struct *tty); - }; - --static struct sunhv_ops bychar_ops = { -+static const struct sunhv_ops bychar_ops = { - .transmit_chars = transmit_chars_putchar, - .receive_chars = receive_chars_getchar, - }; - --static struct sunhv_ops bywrite_ops = { -+static const struct sunhv_ops bywrite_ops = { - .transmit_chars = transmit_chars_write, - .receive_chars = receive_chars_read, - }; -@@ -370,7 +370,7 @@ static int sunhv_verify_port(struct uart - return -EINVAL; - } - --static struct uart_ops sunhv_pops = { -+static const struct uart_ops sunhv_pops = { - .tx_empty = sunhv_tx_empty, - .set_mctrl = sunhv_set_mctrl, - .get_mctrl = sunhv_get_mctrl, -diff -urNp linux-2.6.39.3/drivers/tty/serial/sunsab.c linux-2.6.39.3/drivers/tty/serial/sunsab.c ---- linux-2.6.39.3/drivers/tty/serial/sunsab.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/tty/serial/sunsab.c 2011-05-22 19:36:32.000000000 -0400 -@@ -804,7 +804,7 @@ static int sunsab_verify_port(struct uar - return -EINVAL; - } - --static struct uart_ops sunsab_pops = { -+static const struct uart_ops sunsab_pops = { - .tx_empty = sunsab_tx_empty, - .set_mctrl = sunsab_set_mctrl, - .get_mctrl = sunsab_get_mctrl, -diff -urNp linux-2.6.39.3/drivers/tty/serial/sunsu.c linux-2.6.39.3/drivers/tty/serial/sunsu.c ---- linux-2.6.39.3/drivers/tty/serial/sunsu.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/tty/serial/sunsu.c 2011-05-22 19:36:32.000000000 -0400 -@@ -946,7 +946,7 @@ sunsu_type(struct uart_port *port) - return uart_config[type].name; - } - --static struct uart_ops sunsu_pops = { -+static const struct uart_ops sunsu_pops = { - .tx_empty = sunsu_tx_empty, - .set_mctrl = sunsu_set_mctrl, - .get_mctrl = sunsu_get_mctrl, -diff -urNp linux-2.6.39.3/drivers/tty/serial/sunzilog.c linux-2.6.39.3/drivers/tty/serial/sunzilog.c ---- linux-2.6.39.3/drivers/tty/serial/sunzilog.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/tty/serial/sunzilog.c 2011-05-22 19:36:32.000000000 -0400 -@@ -1042,7 +1042,7 @@ static void sunzilog_put_poll_char(struc - } - #endif /* CONFIG_CONSOLE_POLL */ - --static struct uart_ops sunzilog_pops = { -+static const struct uart_ops sunzilog_pops = { - .tx_empty = sunzilog_tx_empty, - .set_mctrl = sunzilog_set_mctrl, - .get_mctrl = sunzilog_get_mctrl, -diff -urNp linux-2.6.39.3/drivers/tty/serial/timbuart.c linux-2.6.39.3/drivers/tty/serial/timbuart.c ---- linux-2.6.39.3/drivers/tty/serial/timbuart.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/tty/serial/timbuart.c 2011-05-22 19:36:32.000000000 -0400 -@@ -394,7 +394,7 @@ static int timbuart_verify_port(struct u - return -EINVAL; - } - --static struct uart_ops timbuart_ops = { -+static const struct uart_ops timbuart_ops = { - .tx_empty = timbuart_tx_empty, - .set_mctrl = timbuart_set_mctrl, - .get_mctrl = timbuart_get_mctrl, -diff -urNp linux-2.6.39.3/drivers/tty/serial/uartlite.c linux-2.6.39.3/drivers/tty/serial/uartlite.c ---- linux-2.6.39.3/drivers/tty/serial/uartlite.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/tty/serial/uartlite.c 2011-05-22 19:36:32.000000000 -0400 -@@ -331,7 +331,7 @@ static void ulite_put_poll_char(struct u - } - #endif - --static struct uart_ops ulite_ops = { -+static const struct uart_ops ulite_ops = { - .tx_empty = ulite_tx_empty, - .set_mctrl = ulite_set_mctrl, - .get_mctrl = ulite_get_mctrl, -diff -urNp linux-2.6.39.3/drivers/tty/serial/ucc_uart.c linux-2.6.39.3/drivers/tty/serial/ucc_uart.c ---- linux-2.6.39.3/drivers/tty/serial/ucc_uart.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/tty/serial/ucc_uart.c 2011-05-22 19:36:32.000000000 -0400 -@@ -1088,7 +1088,7 @@ static int qe_uart_verify_port(struct ua - * - * Details on these functions can be found in Documentation/serial/driver - */ --static struct uart_ops qe_uart_pops = { -+static const struct uart_ops qe_uart_pops = { - .tx_empty = qe_uart_tx_empty, - .set_mctrl = qe_uart_set_mctrl, - .get_mctrl = qe_uart_get_mctrl, -diff -urNp linux-2.6.39.3/drivers/tty/serial/vr41xx_siu.c linux-2.6.39.3/drivers/tty/serial/vr41xx_siu.c ---- linux-2.6.39.3/drivers/tty/serial/vr41xx_siu.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/tty/serial/vr41xx_siu.c 2011-05-22 19:36:32.000000000 -0400 -@@ -683,7 +683,7 @@ static int siu_verify_port(struct uart_p - return 0; - } - --static struct uart_ops siu_uart_ops = { -+static const struct uart_ops siu_uart_ops = { - .tx_empty = siu_tx_empty, - .set_mctrl = siu_set_mctrl, - .get_mctrl = siu_get_mctrl, -diff -urNp linux-2.6.39.3/drivers/tty/serial/vt8500_serial.c linux-2.6.39.3/drivers/tty/serial/vt8500_serial.c ---- linux-2.6.39.3/drivers/tty/serial/vt8500_serial.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/tty/serial/vt8500_serial.c 2011-05-22 19:36:32.000000000 -0400 -@@ -519,7 +519,7 @@ static struct console vt8500_console = { - #define VT8500_CONSOLE NULL - #endif - --static struct uart_ops vt8500_uart_pops = { -+static const struct uart_ops vt8500_uart_pops = { - .tx_empty = vt8500_tx_empty, - .set_mctrl = vt8500_set_mctrl, - .get_mctrl = vt8500_get_mctrl, -diff -urNp linux-2.6.39.3/drivers/tty/serial/zs.c linux-2.6.39.3/drivers/tty/serial/zs.c ---- linux-2.6.39.3/drivers/tty/serial/zs.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/tty/serial/zs.c 2011-05-22 19:36:32.000000000 -0400 -@@ -1044,7 +1044,7 @@ static int zs_verify_port(struct uart_po - } - - --static struct uart_ops zs_ops = { -+static const struct uart_ops zs_ops = { - .tx_empty = zs_tx_empty, - .set_mctrl = zs_set_mctrl, - .get_mctrl = zs_get_mctrl, -diff -urNp linux-2.6.39.3/drivers/tty/tty_io.c linux-2.6.39.3/drivers/tty/tty_io.c ---- linux-2.6.39.3/drivers/tty/tty_io.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/tty/tty_io.c 2011-05-22 19:36:32.000000000 -0400 -@@ -139,21 +139,11 @@ EXPORT_SYMBOL(tty_mutex); - /* Spinlock to protect the tty->tty_files list */ - DEFINE_SPINLOCK(tty_files_lock); - --static ssize_t tty_read(struct file *, char __user *, size_t, loff_t *); --static ssize_t tty_write(struct file *, const char __user *, size_t, loff_t *); - ssize_t redirected_tty_write(struct file *, const char __user *, - size_t, loff_t *); --static unsigned int tty_poll(struct file *, poll_table *); - static int tty_open(struct inode *, struct file *); - long tty_ioctl(struct file *file, unsigned int cmd, unsigned long arg); --#ifdef CONFIG_COMPAT --static long tty_compat_ioctl(struct file *file, unsigned int cmd, -- unsigned long arg); --#else --#define tty_compat_ioctl NULL --#endif - static int __tty_fasync(int fd, struct file *filp, int on); --static int tty_fasync(int fd, struct file *filp, int on); - static void release_tty(struct tty_struct *tty, int idx); - static void __proc_set_tty(struct task_struct *tsk, struct tty_struct *tty); - static void proc_set_tty(struct task_struct *tsk, struct tty_struct *tty); -@@ -937,7 +927,7 @@ EXPORT_SYMBOL(start_tty); - * read calls may be outstanding in parallel. - */ - --static ssize_t tty_read(struct file *file, char __user *buf, size_t count, -+ssize_t tty_read(struct file *file, char __user *buf, size_t count, - loff_t *ppos) - { - int i; -@@ -963,6 +953,8 @@ static ssize_t tty_read(struct file *fil - return i; - } - -+EXPORT_SYMBOL(tty_read); -+ - void tty_write_unlock(struct tty_struct *tty) - { - mutex_unlock(&tty->atomic_write_lock); -@@ -1112,7 +1104,7 @@ void tty_write_message(struct tty_struct - * write method will not be invoked in parallel for each device. - */ - --static ssize_t tty_write(struct file *file, const char __user *buf, -+ssize_t tty_write(struct file *file, const char __user *buf, - size_t count, loff_t *ppos) - { - struct inode *inode = file->f_path.dentry->d_inode; -@@ -1138,6 +1130,8 @@ static ssize_t tty_write(struct file *fi - return ret; - } - -+EXPORT_SYMBOL(tty_write); -+ - ssize_t redirected_tty_write(struct file *file, const char __user *buf, - size_t count, loff_t *ppos) - { -@@ -1777,6 +1771,8 @@ int tty_release(struct inode *inode, str - return 0; - } - -+EXPORT_SYMBOL(tty_release); -+ - /** - * tty_open - open a tty device - * @inode: inode of device file -@@ -1968,7 +1964,7 @@ got_driver: - * may be re-entered freely by other callers. - */ - --static unsigned int tty_poll(struct file *filp, poll_table *wait) -+unsigned int tty_poll(struct file *filp, poll_table *wait) - { - struct tty_struct *tty = file_tty(filp); - struct tty_ldisc *ld; -@@ -1984,6 +1980,8 @@ static unsigned int tty_poll(struct file - return ret; - } - -+EXPORT_SYMBOL(tty_poll); -+ - static int __tty_fasync(int fd, struct file *filp, int on) - { - struct tty_struct *tty = file_tty(filp); -@@ -2025,7 +2023,7 @@ out: - return retval; - } - --static int tty_fasync(int fd, struct file *filp, int on) -+int tty_fasync(int fd, struct file *filp, int on) - { - int retval; - tty_lock(); -@@ -2034,6 +2032,8 @@ static int tty_fasync(int fd, struct fil - return retval; - } - -+EXPORT_SYMBOL(tty_fasync); -+ - /** - * tiocsti - fake input character - * @tty: tty to fake input into -@@ -2695,8 +2695,10 @@ long tty_ioctl(struct file *file, unsign - return retval; - } - -+EXPORT_SYMBOL(tty_ioctl); -+ - #ifdef CONFIG_COMPAT --static long tty_compat_ioctl(struct file *file, unsigned int cmd, -+long tty_compat_ioctl(struct file *file, unsigned int cmd, - unsigned long arg) - { - struct inode *inode = file->f_dentry->d_inode; -@@ -2720,6 +2722,9 @@ static long tty_compat_ioctl(struct file - - return retval; - } -+ -+EXPORT_SYMBOL(tty_compat_ioctl); -+ - #endif - - /* -@@ -3198,11 +3203,6 @@ struct tty_struct *get_current_tty(void) - } - EXPORT_SYMBOL_GPL(get_current_tty); - --void tty_default_fops(struct file_operations *fops) --{ -- *fops = tty_fops; --} -- - /* - * Initialize the console device. This is called *early*, so - * we can't necessarily depend on lots of kernel help here. -diff -urNp linux-2.6.39.3/drivers/tty/tty_ldisc.c linux-2.6.39.3/drivers/tty/tty_ldisc.c ---- linux-2.6.39.3/drivers/tty/tty_ldisc.c 2011-07-09 09:18:51.000000000 -0400 -+++ linux-2.6.39.3/drivers/tty/tty_ldisc.c 2011-07-09 09:19:18.000000000 -0400 -@@ -74,7 +74,7 @@ static void put_ldisc(struct tty_ldisc * - if (atomic_dec_and_lock(&ld->users, &tty_ldisc_lock)) { - struct tty_ldisc_ops *ldo = ld->ops; - -- ldo->refcount--; -+ atomic_dec(&ldo->refcount); - module_put(ldo->owner); - spin_unlock_irqrestore(&tty_ldisc_lock, flags); - -@@ -109,7 +109,7 @@ int tty_register_ldisc(int disc, struct - spin_lock_irqsave(&tty_ldisc_lock, flags); - tty_ldiscs[disc] = new_ldisc; - new_ldisc->num = disc; -- new_ldisc->refcount = 0; -+ atomic_set(&new_ldisc->refcount, 0); - spin_unlock_irqrestore(&tty_ldisc_lock, flags); - - return ret; -@@ -137,7 +137,7 @@ int tty_unregister_ldisc(int disc) - return -EINVAL; - - spin_lock_irqsave(&tty_ldisc_lock, flags); -- if (tty_ldiscs[disc]->refcount) -+ if (atomic_read(&tty_ldiscs[disc]->refcount)) - ret = -EBUSY; - else - tty_ldiscs[disc] = NULL; -@@ -158,7 +158,7 @@ static struct tty_ldisc_ops *get_ldops(i - if (ldops) { - ret = ERR_PTR(-EAGAIN); - if (try_module_get(ldops->owner)) { -- ldops->refcount++; -+ atomic_inc(&ldops->refcount); - ret = ldops; - } - } -@@ -171,7 +171,7 @@ static void put_ldops(struct tty_ldisc_o - unsigned long flags; - - spin_lock_irqsave(&tty_ldisc_lock, flags); -- ldops->refcount--; -+ atomic_dec(&ldops->refcount); - module_put(ldops->owner); - spin_unlock_irqrestore(&tty_ldisc_lock, flags); - } -diff -urNp linux-2.6.39.3/drivers/tty/vt/keyboard.c linux-2.6.39.3/drivers/tty/vt/keyboard.c ---- linux-2.6.39.3/drivers/tty/vt/keyboard.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/tty/vt/keyboard.c 2011-05-22 20:32:43.000000000 -0400 -@@ -658,6 +658,16 @@ static void k_spec(struct vc_data *vc, u - kbd->kbdmode == VC_OFF) && - value != KVAL(K_SAK)) - return; /* SAK is allowed even in raw mode */ -+ -+#if defined(CONFIG_GRKERNSEC_PROC) || defined(CONFIG_GRKERNSEC_PROC_MEMMAP) -+ { -+ void *func = fn_handler[value]; -+ if (func == fn_show_state || func == fn_show_ptregs || -+ func == fn_show_mem) -+ return; -+ } -+#endif -+ - fn_handler[value](vc); - } - -diff -urNp linux-2.6.39.3/drivers/tty/vt/vt.c linux-2.6.39.3/drivers/tty/vt/vt.c ---- linux-2.6.39.3/drivers/tty/vt/vt.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/tty/vt/vt.c 2011-05-22 19:36:32.000000000 -0400 -@@ -261,7 +261,7 @@ EXPORT_SYMBOL_GPL(unregister_vt_notifier - - static void notify_write(struct vc_data *vc, unsigned int unicode) - { -- struct vt_notifier_param param = { .vc = vc, unicode = unicode }; -+ struct vt_notifier_param param = { .vc = vc, .c = unicode }; - atomic_notifier_call_chain(&vt_notifier_list, VT_WRITE, ¶m); - } - -diff -urNp linux-2.6.39.3/drivers/tty/vt/vt_ioctl.c linux-2.6.39.3/drivers/tty/vt/vt_ioctl.c ---- linux-2.6.39.3/drivers/tty/vt/vt_ioctl.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/tty/vt/vt_ioctl.c 2011-05-22 19:41:37.000000000 -0400 -@@ -209,9 +209,6 @@ do_kdsk_ioctl(int cmd, struct kbentry __ - if (copy_from_user(&tmp, user_kbe, sizeof(struct kbentry))) - return -EFAULT; - -- if (!capable(CAP_SYS_TTY_CONFIG)) -- perm = 0; -- - switch (cmd) { - case KDGKBENT: - key_map = key_maps[s]; -@@ -223,6 +220,9 @@ do_kdsk_ioctl(int cmd, struct kbentry __ - val = (i ? K_HOLE : K_NOSUCHMAP); - return put_user(val, &user_kbe->kb_value); - case KDSKBENT: -+ if (!capable(CAP_SYS_TTY_CONFIG)) -+ perm = 0; -+ - if (!perm) - return -EPERM; - if (!i && v == K_NOSUCHMAP) { -@@ -324,9 +324,6 @@ do_kdgkb_ioctl(int cmd, struct kbsentry - int i, j, k; - int ret; - -- if (!capable(CAP_SYS_TTY_CONFIG)) -- perm = 0; -- - kbs = kmalloc(sizeof(*kbs), GFP_KERNEL); - if (!kbs) { - ret = -ENOMEM; -@@ -360,6 +357,9 @@ do_kdgkb_ioctl(int cmd, struct kbsentry - kfree(kbs); - return ((p && *p) ? -EOVERFLOW : 0); - case KDSKBSENT: -+ if (!capable(CAP_SYS_TTY_CONFIG)) -+ perm = 0; -+ - if (!perm) { - ret = -EPERM; - goto reterr; -diff -urNp linux-2.6.39.3/drivers/uio/uio.c linux-2.6.39.3/drivers/uio/uio.c ---- linux-2.6.39.3/drivers/uio/uio.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/uio/uio.c 2011-05-22 19:36:32.000000000 -0400 -@@ -25,6 +25,7 @@ - #include <linux/kobject.h> - #include <linux/cdev.h> - #include <linux/uio_driver.h> -+#include <asm/local.h> - - #define UIO_MAX_DEVICES (1U << MINORBITS) - -@@ -32,10 +33,10 @@ struct uio_device { - struct module *owner; - struct device *dev; - int minor; -- atomic_t event; -+ atomic_unchecked_t event; - struct fasync_struct *async_queue; - wait_queue_head_t wait; -- int vma_count; -+ local_t vma_count; - struct uio_info *info; - struct kobject *map_dir; - struct kobject *portio_dir; -@@ -242,7 +243,7 @@ static ssize_t show_event(struct device - struct device_attribute *attr, char *buf) - { - struct uio_device *idev = dev_get_drvdata(dev); -- return sprintf(buf, "%u\n", (unsigned int)atomic_read(&idev->event)); -+ return sprintf(buf, "%u\n", (unsigned int)atomic_read_unchecked(&idev->event)); - } - - static struct device_attribute uio_class_attributes[] = { -@@ -402,7 +403,7 @@ void uio_event_notify(struct uio_info *i - { - struct uio_device *idev = info->uio_dev; - -- atomic_inc(&idev->event); -+ atomic_inc_unchecked(&idev->event); - wake_up_interruptible(&idev->wait); - kill_fasync(&idev->async_queue, SIGIO, POLL_IN); - } -@@ -455,7 +456,7 @@ static int uio_open(struct inode *inode, - } - - listener->dev = idev; -- listener->event_count = atomic_read(&idev->event); -+ listener->event_count = atomic_read_unchecked(&idev->event); - filep->private_data = listener; - - if (idev->info->open) { -@@ -506,7 +507,7 @@ static unsigned int uio_poll(struct file - return -EIO; - - poll_wait(filep, &idev->wait, wait); -- if (listener->event_count != atomic_read(&idev->event)) -+ if (listener->event_count != atomic_read_unchecked(&idev->event)) - return POLLIN | POLLRDNORM; - return 0; - } -@@ -531,7 +532,7 @@ static ssize_t uio_read(struct file *fil - do { - set_current_state(TASK_INTERRUPTIBLE); - -- event_count = atomic_read(&idev->event); -+ event_count = atomic_read_unchecked(&idev->event); - if (event_count != listener->event_count) { - if (copy_to_user(buf, &event_count, count)) - retval = -EFAULT; -@@ -602,13 +603,13 @@ static int uio_find_mem_index(struct vm_ - static void uio_vma_open(struct vm_area_struct *vma) - { - struct uio_device *idev = vma->vm_private_data; -- idev->vma_count++; -+ local_inc(&idev->vma_count); - } - - static void uio_vma_close(struct vm_area_struct *vma) - { - struct uio_device *idev = vma->vm_private_data; -- idev->vma_count--; -+ local_dec(&idev->vma_count); - } - - static int uio_vma_fault(struct vm_area_struct *vma, struct vm_fault *vmf) -@@ -819,7 +820,7 @@ int __uio_register_device(struct module - idev->owner = owner; - idev->info = info; - init_waitqueue_head(&idev->wait); -- atomic_set(&idev->event, 0); -+ atomic_set_unchecked(&idev->event, 0); - - ret = uio_get_minor(idev); - if (ret) -diff -urNp linux-2.6.39.3/drivers/usb/atm/cxacru.c linux-2.6.39.3/drivers/usb/atm/cxacru.c ---- linux-2.6.39.3/drivers/usb/atm/cxacru.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/usb/atm/cxacru.c 2011-05-22 19:36:32.000000000 -0400 -@@ -473,7 +473,7 @@ static ssize_t cxacru_sysfs_store_adsl_c - ret = sscanf(buf + pos, "%x=%x%n", &index, &value, &tmp); - if (ret < 2) - return -EINVAL; -- if (index < 0 || index > 0x7f) -+ if (index > 0x7f) - return -EINVAL; - pos += tmp; - -diff -urNp linux-2.6.39.3/drivers/usb/atm/usbatm.c linux-2.6.39.3/drivers/usb/atm/usbatm.c ---- linux-2.6.39.3/drivers/usb/atm/usbatm.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/usb/atm/usbatm.c 2011-05-22 19:36:32.000000000 -0400 -@@ -332,7 +332,7 @@ static void usbatm_extract_one_cell(stru - if (printk_ratelimit()) - atm_warn(instance, "%s: OAM not supported (vpi %d, vci %d)!\n", - __func__, vpi, vci); -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - return; - } - -@@ -360,7 +360,7 @@ static void usbatm_extract_one_cell(stru - if (length > ATM_MAX_AAL5_PDU) { - atm_rldbg(instance, "%s: bogus length %u (vcc: 0x%p)!\n", - __func__, length, vcc); -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - goto out; - } - -@@ -369,14 +369,14 @@ static void usbatm_extract_one_cell(stru - if (sarb->len < pdu_length) { - atm_rldbg(instance, "%s: bogus pdu_length %u (sarb->len: %u, vcc: 0x%p)!\n", - __func__, pdu_length, sarb->len, vcc); -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - goto out; - } - - if (crc32_be(~0, skb_tail_pointer(sarb) - pdu_length, pdu_length) != 0xc704dd7b) { - atm_rldbg(instance, "%s: packet failed crc check (vcc: 0x%p)!\n", - __func__, vcc); -- atomic_inc(&vcc->stats->rx_err); -+ atomic_inc_unchecked(&vcc->stats->rx_err); - goto out; - } - -@@ -386,7 +386,7 @@ static void usbatm_extract_one_cell(stru - if (printk_ratelimit()) - atm_err(instance, "%s: no memory for skb (length: %u)!\n", - __func__, length); -- atomic_inc(&vcc->stats->rx_drop); -+ atomic_inc_unchecked(&vcc->stats->rx_drop); - goto out; - } - -@@ -411,7 +411,7 @@ static void usbatm_extract_one_cell(stru - - vcc->push(vcc, skb); - -- atomic_inc(&vcc->stats->rx); -+ atomic_inc_unchecked(&vcc->stats->rx); - out: - skb_trim(sarb, 0); - } -@@ -614,7 +614,7 @@ static void usbatm_tx_process(unsigned l - struct atm_vcc *vcc = UDSL_SKB(skb)->atm.vcc; - - usbatm_pop(vcc, skb); -- atomic_inc(&vcc->stats->tx); -+ atomic_inc_unchecked(&vcc->stats->tx); - - skb = skb_dequeue(&instance->sndqueue); - } -@@ -773,11 +773,11 @@ static int usbatm_atm_proc_read(struct a - if (!left--) - return sprintf(page, - "AAL5: tx %d ( %d err ), rx %d ( %d err, %d drop )\n", -- atomic_read(&atm_dev->stats.aal5.tx), -- atomic_read(&atm_dev->stats.aal5.tx_err), -- atomic_read(&atm_dev->stats.aal5.rx), -- atomic_read(&atm_dev->stats.aal5.rx_err), -- atomic_read(&atm_dev->stats.aal5.rx_drop)); -+ atomic_read_unchecked(&atm_dev->stats.aal5.tx), -+ atomic_read_unchecked(&atm_dev->stats.aal5.tx_err), -+ atomic_read_unchecked(&atm_dev->stats.aal5.rx), -+ atomic_read_unchecked(&atm_dev->stats.aal5.rx_err), -+ atomic_read_unchecked(&atm_dev->stats.aal5.rx_drop)); - - if (!left--) { - if (instance->disconnected) -diff -urNp linux-2.6.39.3/drivers/usb/core/devices.c linux-2.6.39.3/drivers/usb/core/devices.c ---- linux-2.6.39.3/drivers/usb/core/devices.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/usb/core/devices.c 2011-05-22 19:36:32.000000000 -0400 -@@ -126,7 +126,7 @@ static const char *format_endpt = - * time it gets called. - */ - static struct device_connect_event { -- atomic_t count; -+ atomic_unchecked_t count; - wait_queue_head_t wait; - } device_event = { - .count = ATOMIC_INIT(1), -@@ -164,7 +164,7 @@ static const struct class_info clas_info - - void usbfs_conn_disc_event(void) - { -- atomic_add(2, &device_event.count); -+ atomic_add_unchecked(2, &device_event.count); - wake_up(&device_event.wait); - } - -@@ -648,7 +648,7 @@ static unsigned int usb_device_poll(stru - - poll_wait(file, &device_event.wait, wait); - -- event_count = atomic_read(&device_event.count); -+ event_count = atomic_read_unchecked(&device_event.count); - if (file->f_version != event_count) { - file->f_version = event_count; - return POLLIN | POLLRDNORM; -diff -urNp linux-2.6.39.3/drivers/usb/core/hcd.c linux-2.6.39.3/drivers/usb/core/hcd.c ---- linux-2.6.39.3/drivers/usb/core/hcd.c 2011-06-03 00:04:14.000000000 -0400 -+++ linux-2.6.39.3/drivers/usb/core/hcd.c 2011-06-03 00:32:07.000000000 -0400 -@@ -2574,7 +2574,7 @@ EXPORT_SYMBOL_GPL(usb_hcd_platform_shutd - - #if defined(CONFIG_USB_MON) || defined(CONFIG_USB_MON_MODULE) - --struct usb_mon_operations *mon_ops; -+const struct usb_mon_operations *mon_ops; - - /* - * The registration is unlocked. -@@ -2584,7 +2584,7 @@ struct usb_mon_operations *mon_ops; - * symbols from usbcore, usbcore gets referenced and cannot be unloaded first. - */ - --int usb_mon_register (struct usb_mon_operations *ops) -+int usb_mon_register (const struct usb_mon_operations *ops) - { - - if (mon_ops) -diff -urNp linux-2.6.39.3/drivers/usb/core/message.c linux-2.6.39.3/drivers/usb/core/message.c ---- linux-2.6.39.3/drivers/usb/core/message.c 2011-07-09 09:18:51.000000000 -0400 -+++ linux-2.6.39.3/drivers/usb/core/message.c 2011-07-09 09:19:18.000000000 -0400 -@@ -869,8 +869,8 @@ char *usb_cache_string(struct usb_device - buf = kmalloc(MAX_USB_STRING_SIZE, GFP_NOIO); - if (buf) { - len = usb_string(udev, index, buf, MAX_USB_STRING_SIZE); -- if (len > 0) { -- smallbuf = kmalloc(++len, GFP_NOIO); -+ if (len++ > 0) { -+ smallbuf = kmalloc(len, GFP_NOIO); - if (!smallbuf) - return buf; - memcpy(smallbuf, buf, len); -diff -urNp linux-2.6.39.3/drivers/usb/early/ehci-dbgp.c linux-2.6.39.3/drivers/usb/early/ehci-dbgp.c ---- linux-2.6.39.3/drivers/usb/early/ehci-dbgp.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/usb/early/ehci-dbgp.c 2011-05-22 19:36:32.000000000 -0400 -@@ -96,7 +96,7 @@ static inline u32 dbgp_len_update(u32 x, - } - - #ifdef CONFIG_KGDB --static struct kgdb_io kgdbdbgp_io_ops; -+static struct kgdb_io kgdbdbgp_io_ops; /* cannot be const, see kgdbdbgp_parse_config */ - #define dbgp_kgdb_mode (dbg_io_ops == &kgdbdbgp_io_ops) - #else - #define dbgp_kgdb_mode (0) -@@ -1026,7 +1026,7 @@ static void kgdbdbgp_write_char(u8 chr) - early_dbgp_write(NULL, &chr, 1); - } - --static struct kgdb_io kgdbdbgp_io_ops = { -+static struct kgdb_io kgdbdbgp_io_ops = { /* cannot be const, see kgdbdbgp_parse_config() */ - .name = "kgdbdbgp", - .read_char = kgdbdbgp_read_char, - .write_char = kgdbdbgp_write_char, -diff -urNp linux-2.6.39.3/drivers/usb/gadget/fsl_qe_udc.c linux-2.6.39.3/drivers/usb/gadget/fsl_qe_udc.c ---- linux-2.6.39.3/drivers/usb/gadget/fsl_qe_udc.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/usb/gadget/fsl_qe_udc.c 2011-05-22 19:36:32.000000000 -0400 -@@ -1859,7 +1859,7 @@ out: - return status; - } - --static struct usb_ep_ops qe_ep_ops = { -+static const struct usb_ep_ops qe_ep_ops = { - .enable = qe_ep_enable, - .disable = qe_ep_disable, - -@@ -1928,7 +1928,7 @@ static int qe_pullup(struct usb_gadget * - } - - /* defined in usb_gadget.h */ --static struct usb_gadget_ops qe_gadget_ops = { -+static const struct usb_gadget_ops qe_gadget_ops = { - .get_frame = qe_get_frame, - .wakeup = qe_wakeup, - /* .set_selfpowered = qe_set_selfpowered,*/ /* always selfpowered */ -diff -urNp linux-2.6.39.3/drivers/usb/gadget/fsl_udc_core.c linux-2.6.39.3/drivers/usb/gadget/fsl_udc_core.c ---- linux-2.6.39.3/drivers/usb/gadget/fsl_udc_core.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/usb/gadget/fsl_udc_core.c 2011-05-22 19:36:32.000000000 -0400 -@@ -1003,7 +1003,7 @@ static void fsl_ep_fifo_flush(struct usb - } while (fsl_readl(&dr_regs->endptstatus) & bits); - } - --static struct usb_ep_ops fsl_ep_ops = { -+static const struct usb_ep_ops fsl_ep_ops = { - .enable = fsl_ep_enable, - .disable = fsl_ep_disable, - -@@ -1114,7 +1114,7 @@ static int fsl_pullup(struct usb_gadget - } - - /* defined in gadget.h */ --static struct usb_gadget_ops fsl_gadget_ops = { -+static const struct usb_gadget_ops fsl_gadget_ops = { - .get_frame = fsl_get_frame, - .wakeup = fsl_wakeup, - /* .set_selfpowered = fsl_set_selfpowered, */ /* Always selfpowered */ -diff -urNp linux-2.6.39.3/drivers/usb/gadget/fusb300_udc.c linux-2.6.39.3/drivers/usb/gadget/fusb300_udc.c ---- linux-2.6.39.3/drivers/usb/gadget/fusb300_udc.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/usb/gadget/fusb300_udc.c 2011-05-22 19:36:32.000000000 -0400 -@@ -527,7 +527,7 @@ static void fusb300_fifo_flush(struct us - { - } - --static struct usb_ep_ops fusb300_ep_ops = { -+static const struct usb_ep_ops fusb300_ep_ops = { - .enable = fusb300_enable, - .disable = fusb300_disable, - -@@ -1570,7 +1570,7 @@ static int fusb300_udc_pullup(struct usb - return 0; - } - --static struct usb_gadget_ops fusb300_gadget_ops = { -+static const struct usb_gadget_ops fusb300_gadget_ops = { - .pullup = fusb300_udc_pullup, - }; - -diff -urNp linux-2.6.39.3/drivers/usb/gadget/goku_udc.c linux-2.6.39.3/drivers/usb/gadget/goku_udc.c ---- linux-2.6.39.3/drivers/usb/gadget/goku_udc.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/usb/gadget/goku_udc.c 2011-05-22 19:36:32.000000000 -0400 -@@ -973,7 +973,7 @@ static void goku_fifo_flush(struct usb_e - command(regs, COMMAND_FIFO_CLEAR, ep->num); - } - --static struct usb_ep_ops goku_ep_ops = { -+static const struct usb_ep_ops goku_ep_ops = { - .enable = goku_ep_enable, - .disable = goku_ep_disable, - -diff -urNp linux-2.6.39.3/drivers/usb/gadget/imx_udc.c linux-2.6.39.3/drivers/usb/gadget/imx_udc.c ---- linux-2.6.39.3/drivers/usb/gadget/imx_udc.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/usb/gadget/imx_udc.c 2011-05-22 19:36:32.000000000 -0400 -@@ -937,7 +937,7 @@ static void imx_ep_fifo_flush(struct usb - local_irq_restore(flags); - } - --static struct usb_ep_ops imx_ep_ops = { -+static const struct usb_ep_ops imx_ep_ops = { - .enable = imx_ep_enable, - .disable = imx_ep_disable, - -diff -urNp linux-2.6.39.3/drivers/usb/gadget/m66592-udc.c linux-2.6.39.3/drivers/usb/gadget/m66592-udc.c ---- linux-2.6.39.3/drivers/usb/gadget/m66592-udc.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/usb/gadget/m66592-udc.c 2011-05-22 19:36:32.000000000 -0400 -@@ -1437,7 +1437,7 @@ static void m66592_fifo_flush(struct usb - spin_unlock_irqrestore(&ep->m66592->lock, flags); - } - --static struct usb_ep_ops m66592_ep_ops = { -+static const struct usb_ep_ops m66592_ep_ops = { - .enable = m66592_enable, - .disable = m66592_disable, - -@@ -1542,7 +1542,7 @@ static int m66592_get_frame(struct usb_g - return m66592_read(m66592, M66592_FRMNUM) & 0x03FF; - } - --static struct usb_gadget_ops m66592_gadget_ops = { -+static const struct usb_gadget_ops m66592_gadget_ops = { - .get_frame = m66592_get_frame, - }; - -diff -urNp linux-2.6.39.3/drivers/usb/gadget/mv_udc_core.c linux-2.6.39.3/drivers/usb/gadget/mv_udc_core.c ---- linux-2.6.39.3/drivers/usb/gadget/mv_udc_core.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/usb/gadget/mv_udc_core.c 2011-05-22 19:36:32.000000000 -0400 -@@ -972,7 +972,7 @@ static int mv_ep_set_wedge(struct usb_ep - return mv_ep_set_halt_wedge(_ep, 1, 1); - } - --static struct usb_ep_ops mv_ep_ops = { -+static const struct usb_ep_ops mv_ep_ops = { - .enable = mv_ep_enable, - .disable = mv_ep_disable, - -diff -urNp linux-2.6.39.3/drivers/usb/gadget/omap_udc.c linux-2.6.39.3/drivers/usb/gadget/omap_udc.c ---- linux-2.6.39.3/drivers/usb/gadget/omap_udc.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/usb/gadget/omap_udc.c 2011-05-22 19:36:32.000000000 -0400 -@@ -1177,7 +1177,7 @@ done: - return status; - } - --static struct usb_ep_ops omap_ep_ops = { -+static const struct usb_ep_ops omap_ep_ops = { - .enable = omap_ep_enable, - .disable = omap_ep_disable, - -@@ -1374,7 +1374,7 @@ static int omap_pullup(struct usb_gadget - return 0; - } - --static struct usb_gadget_ops omap_gadget_ops = { -+static const struct usb_gadget_ops omap_gadget_ops = { - .get_frame = omap_get_frame, - .wakeup = omap_wakeup, - .set_selfpowered = omap_set_selfpowered, -diff -urNp linux-2.6.39.3/drivers/usb/gadget/pxa25x_udc.c linux-2.6.39.3/drivers/usb/gadget/pxa25x_udc.c ---- linux-2.6.39.3/drivers/usb/gadget/pxa25x_udc.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/usb/gadget/pxa25x_udc.c 2011-05-22 19:36:32.000000000 -0400 -@@ -896,7 +896,7 @@ static void pxa25x_ep_fifo_flush(struct - } - - --static struct usb_ep_ops pxa25x_ep_ops = { -+static const struct usb_ep_ops pxa25x_ep_ops = { - .enable = pxa25x_ep_enable, - .disable = pxa25x_ep_disable, - -diff -urNp linux-2.6.39.3/drivers/usb/gadget/pxa27x_udc.c linux-2.6.39.3/drivers/usb/gadget/pxa27x_udc.c ---- linux-2.6.39.3/drivers/usb/gadget/pxa27x_udc.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/usb/gadget/pxa27x_udc.c 2011-05-22 19:36:32.000000000 -0400 -@@ -1491,7 +1491,7 @@ static int pxa_ep_disable(struct usb_ep - return 0; - } - --static struct usb_ep_ops pxa_ep_ops = { -+static const struct usb_ep_ops pxa_ep_ops = { - .enable = pxa_ep_enable, - .disable = pxa_ep_disable, - -diff -urNp linux-2.6.39.3/drivers/usb/gadget/r8a66597-udc.c linux-2.6.39.3/drivers/usb/gadget/r8a66597-udc.c ---- linux-2.6.39.3/drivers/usb/gadget/r8a66597-udc.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/usb/gadget/r8a66597-udc.c 2011-05-22 19:36:32.000000000 -0400 -@@ -1392,7 +1392,7 @@ static void r8a66597_fifo_flush(struct u - spin_unlock_irqrestore(&ep->r8a66597->lock, flags); - } - --static struct usb_ep_ops r8a66597_ep_ops = { -+static const struct usb_ep_ops r8a66597_ep_ops = { - .enable = r8a66597_enable, - .disable = r8a66597_disable, - -@@ -1497,7 +1497,7 @@ static int r8a66597_get_frame(struct usb - return r8a66597_read(r8a66597, FRMNUM) & 0x03FF; - } - --static struct usb_gadget_ops r8a66597_gadget_ops = { -+static const struct usb_gadget_ops r8a66597_gadget_ops = { - .get_frame = r8a66597_get_frame, - }; - -diff -urNp linux-2.6.39.3/drivers/usb/gadget/s3c-hsotg.c linux-2.6.39.3/drivers/usb/gadget/s3c-hsotg.c ---- linux-2.6.39.3/drivers/usb/gadget/s3c-hsotg.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/usb/gadget/s3c-hsotg.c 2011-05-22 19:36:32.000000000 -0400 -@@ -2461,7 +2461,7 @@ static int s3c_hsotg_ep_sethalt(struct u - return 0; - } - --static struct usb_ep_ops s3c_hsotg_ep_ops = { -+static const struct usb_ep_ops s3c_hsotg_ep_ops = { - .enable = s3c_hsotg_ep_enable, - .disable = s3c_hsotg_ep_disable, - .alloc_request = s3c_hsotg_ep_alloc_request, -@@ -2725,7 +2725,7 @@ static int s3c_hsotg_gadget_getframe(str - return s3c_hsotg_read_frameno(to_hsotg(gadget)); - } - --static struct usb_gadget_ops s3c_hsotg_gadget_ops = { -+static const struct usb_gadget_ops s3c_hsotg_gadget_ops = { - .get_frame = s3c_hsotg_gadget_getframe, - }; - -diff -urNp linux-2.6.39.3/drivers/usb/gadget/uvc_queue.c linux-2.6.39.3/drivers/usb/gadget/uvc_queue.c ---- linux-2.6.39.3/drivers/usb/gadget/uvc_queue.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/usb/gadget/uvc_queue.c 2011-05-22 19:36:32.000000000 -0400 -@@ -400,7 +400,7 @@ static void uvc_vm_close(struct vm_area_ - buffer->vma_use_count--; - } - --static struct vm_operations_struct uvc_vm_ops = { -+static const struct vm_operations_struct uvc_vm_ops = { - .open = uvc_vm_open, - .close = uvc_vm_close, - }; -diff -urNp linux-2.6.39.3/drivers/usb/host/ehci-fsl.c linux-2.6.39.3/drivers/usb/host/ehci-fsl.c ---- linux-2.6.39.3/drivers/usb/host/ehci-fsl.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/usb/host/ehci-fsl.c 2011-05-22 19:36:32.000000000 -0400 -@@ -380,7 +380,7 @@ static int ehci_fsl_drv_restore(struct d - return 0; - } - --static struct dev_pm_ops ehci_fsl_pm_ops = { -+static const struct dev_pm_ops ehci_fsl_pm_ops = { - .suspend = ehci_fsl_drv_suspend, - .resume = ehci_fsl_drv_resume, - .restore = ehci_fsl_drv_restore, -diff -urNp linux-2.6.39.3/drivers/usb/host/xhci-mem.c linux-2.6.39.3/drivers/usb/host/xhci-mem.c ---- linux-2.6.39.3/drivers/usb/host/xhci-mem.c 2011-06-25 12:55:23.000000000 -0400 -+++ linux-2.6.39.3/drivers/usb/host/xhci-mem.c 2011-06-25 13:00:26.000000000 -0400 -@@ -1680,6 +1680,8 @@ static int xhci_check_trb_in_td_math(str - unsigned int num_tests; - int i, ret; - -+ pax_track_stack(); -+ - num_tests = ARRAY_SIZE(simple_test_vector); - for (i = 0; i < num_tests; i++) { - ret = xhci_test_trb_in_td(xhci, -diff -urNp linux-2.6.39.3/drivers/usb/mon/mon_main.c linux-2.6.39.3/drivers/usb/mon/mon_main.c ---- linux-2.6.39.3/drivers/usb/mon/mon_main.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/usb/mon/mon_main.c 2011-05-22 19:36:32.000000000 -0400 -@@ -238,7 +238,7 @@ static struct notifier_block mon_nb = { - /* - * Ops - */ --static struct usb_mon_operations mon_ops_0 = { -+static const struct usb_mon_operations mon_ops_0 = { - .urb_submit = mon_submit, - .urb_submit_error = mon_submit_error, - .urb_complete = mon_complete, -diff -urNp linux-2.6.39.3/drivers/usb/musb/cppi_dma.h linux-2.6.39.3/drivers/usb/musb/cppi_dma.h ---- linux-2.6.39.3/drivers/usb/musb/cppi_dma.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/usb/musb/cppi_dma.h 2011-05-22 19:36:32.000000000 -0400 -@@ -113,7 +113,7 @@ struct cppi_channel { - - /* CPPI DMA controller object */ - struct cppi { -- struct dma_controller controller; -+ const struct dma_controller controller; - struct musb *musb; - void __iomem *mregs; /* Mentor regs */ - void __iomem *tibase; /* TI/CPPI regs */ -diff -urNp linux-2.6.39.3/drivers/usb/otg/msm_otg.c linux-2.6.39.3/drivers/usb/otg/msm_otg.c ---- linux-2.6.39.3/drivers/usb/otg/msm_otg.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/usb/otg/msm_otg.c 2011-05-22 19:36:32.000000000 -0400 -@@ -95,7 +95,7 @@ static int ulpi_write(struct otg_transce - return 0; - } - --static struct otg_io_access_ops msm_otg_io_ops = { -+static const struct otg_io_access_ops msm_otg_io_ops = { - .read = ulpi_read, - .write = ulpi_write, - }; -diff -urNp linux-2.6.39.3/drivers/usb/otg/ulpi_viewport.c linux-2.6.39.3/drivers/usb/otg/ulpi_viewport.c ---- linux-2.6.39.3/drivers/usb/otg/ulpi_viewport.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/usb/otg/ulpi_viewport.c 2011-05-22 19:36:32.000000000 -0400 -@@ -74,7 +74,7 @@ static int ulpi_viewport_write(struct ot - return ulpi_viewport_wait(view, ULPI_VIEW_RUN); - } - --struct otg_io_access_ops ulpi_viewport_access_ops = { -+const struct otg_io_access_ops ulpi_viewport_access_ops = { - .read = ulpi_viewport_read, - .write = ulpi_viewport_write, - }; -diff -urNp linux-2.6.39.3/drivers/usb/serial/ftdi_sio.c linux-2.6.39.3/drivers/usb/serial/ftdi_sio.c ---- linux-2.6.39.3/drivers/usb/serial/ftdi_sio.c 2011-07-09 09:18:51.000000000 -0400 -+++ linux-2.6.39.3/drivers/usb/serial/ftdi_sio.c 2011-07-09 09:19:18.000000000 -0400 -@@ -104,27 +104,27 @@ static int ftdi_stmclite_probe(struct - static void ftdi_USB_UIRT_setup(struct ftdi_private *priv); - static void ftdi_HE_TIRA1_setup(struct ftdi_private *priv); - --static struct ftdi_sio_quirk ftdi_jtag_quirk = { -+static const struct ftdi_sio_quirk ftdi_jtag_quirk = { - .probe = ftdi_jtag_probe, - }; - --static struct ftdi_sio_quirk ftdi_mtxorb_hack_quirk = { -+static const struct ftdi_sio_quirk ftdi_mtxorb_hack_quirk = { - .probe = ftdi_mtxorb_hack_setup, - }; - --static struct ftdi_sio_quirk ftdi_NDI_device_quirk = { -+static const struct ftdi_sio_quirk ftdi_NDI_device_quirk = { - .probe = ftdi_NDI_device_setup, - }; - --static struct ftdi_sio_quirk ftdi_USB_UIRT_quirk = { -+static const struct ftdi_sio_quirk ftdi_USB_UIRT_quirk = { - .port_probe = ftdi_USB_UIRT_setup, - }; - --static struct ftdi_sio_quirk ftdi_HE_TIRA1_quirk = { -+static const struct ftdi_sio_quirk ftdi_HE_TIRA1_quirk = { - .port_probe = ftdi_HE_TIRA1_setup, - }; - --static struct ftdi_sio_quirk ftdi_stmclite_quirk = { -+static const struct ftdi_sio_quirk ftdi_stmclite_quirk = { - .probe = ftdi_stmclite_probe, - }; - -diff -urNp linux-2.6.39.3/drivers/usb/wusbcore/wa-hc.h linux-2.6.39.3/drivers/usb/wusbcore/wa-hc.h ---- linux-2.6.39.3/drivers/usb/wusbcore/wa-hc.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/usb/wusbcore/wa-hc.h 2011-05-22 19:36:32.000000000 -0400 -@@ -192,7 +192,7 @@ struct wahc { - struct list_head xfer_delayed_list; - spinlock_t xfer_list_lock; - struct work_struct xfer_work; -- atomic_t xfer_id_count; -+ atomic_unchecked_t xfer_id_count; - }; - - -@@ -246,7 +246,7 @@ static inline void wa_init(struct wahc * - INIT_LIST_HEAD(&wa->xfer_delayed_list); - spin_lock_init(&wa->xfer_list_lock); - INIT_WORK(&wa->xfer_work, wa_urb_enqueue_run); -- atomic_set(&wa->xfer_id_count, 1); -+ atomic_set_unchecked(&wa->xfer_id_count, 1); - } - - /** -diff -urNp linux-2.6.39.3/drivers/usb/wusbcore/wa-xfer.c linux-2.6.39.3/drivers/usb/wusbcore/wa-xfer.c ---- linux-2.6.39.3/drivers/usb/wusbcore/wa-xfer.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/usb/wusbcore/wa-xfer.c 2011-05-22 19:36:32.000000000 -0400 -@@ -294,7 +294,7 @@ out: - */ - static void wa_xfer_id_init(struct wa_xfer *xfer) - { -- xfer->id = atomic_add_return(1, &xfer->wa->xfer_id_count); -+ xfer->id = atomic_add_return_unchecked(1, &xfer->wa->xfer_id_count); - } - - /* -diff -urNp linux-2.6.39.3/drivers/vhost/vhost.c linux-2.6.39.3/drivers/vhost/vhost.c ---- linux-2.6.39.3/drivers/vhost/vhost.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/vhost/vhost.c 2011-05-22 19:36:32.000000000 -0400 -@@ -580,7 +580,7 @@ static int init_used(struct vhost_virtqu - return get_user(vq->last_used_idx, &used->idx); - } - --static long vhost_set_vring(struct vhost_dev *d, int ioctl, void __user *argp) -+static long vhost_set_vring(struct vhost_dev *d, unsigned int ioctl, void __user *argp) - { - struct file *eventfp, *filep = NULL, - *pollstart = NULL, *pollstop = NULL; -diff -urNp linux-2.6.39.3/drivers/video/backlight/corgi_lcd.c linux-2.6.39.3/drivers/video/backlight/corgi_lcd.c ---- linux-2.6.39.3/drivers/video/backlight/corgi_lcd.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/video/backlight/corgi_lcd.c 2011-05-22 19:36:32.000000000 -0400 -@@ -383,7 +383,7 @@ static int corgi_lcd_get_power(struct lc - return lcd->power; - } - --static struct lcd_ops corgi_lcd_ops = { -+static const struct lcd_ops corgi_lcd_ops = { - .get_power = corgi_lcd_get_power, - .set_power = corgi_lcd_set_power, - .set_mode = corgi_lcd_set_mode, -diff -urNp linux-2.6.39.3/drivers/video/backlight/cr_bllcd.c linux-2.6.39.3/drivers/video/backlight/cr_bllcd.c ---- linux-2.6.39.3/drivers/video/backlight/cr_bllcd.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/video/backlight/cr_bllcd.c 2011-05-22 19:36:32.000000000 -0400 -@@ -165,7 +165,7 @@ static int cr_lcd_set_power(struct lcd_d - return 0; - } - --static struct lcd_ops cr_lcd_ops = { -+static const struct lcd_ops cr_lcd_ops = { - .set_power = cr_lcd_set_power, - }; - -diff -urNp linux-2.6.39.3/drivers/video/backlight/ili9320.c linux-2.6.39.3/drivers/video/backlight/ili9320.c ---- linux-2.6.39.3/drivers/video/backlight/ili9320.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/video/backlight/ili9320.c 2011-05-22 19:36:32.000000000 -0400 -@@ -166,7 +166,7 @@ static int ili9320_get_power(struct lcd_ - return lcd->power; - } - --static struct lcd_ops ili9320_ops = { -+static const struct lcd_ops ili9320_ops = { - .get_power = ili9320_get_power, - .set_power = ili9320_set_power, - }; -diff -urNp linux-2.6.39.3/drivers/video/backlight/jornada720_lcd.c linux-2.6.39.3/drivers/video/backlight/jornada720_lcd.c ---- linux-2.6.39.3/drivers/video/backlight/jornada720_lcd.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/video/backlight/jornada720_lcd.c 2011-05-22 19:36:32.000000000 -0400 -@@ -87,7 +87,7 @@ static int jornada_lcd_set_power(struct - return 0; - } - --static struct lcd_ops jornada_lcd_props = { -+static const struct lcd_ops jornada_lcd_props = { - .get_contrast = jornada_lcd_get_contrast, - .set_contrast = jornada_lcd_set_contrast, - .get_power = jornada_lcd_get_power, -diff -urNp linux-2.6.39.3/drivers/video/backlight/l4f00242t03.c linux-2.6.39.3/drivers/video/backlight/l4f00242t03.c ---- linux-2.6.39.3/drivers/video/backlight/l4f00242t03.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/video/backlight/l4f00242t03.c 2011-05-22 19:36:32.000000000 -0400 -@@ -149,7 +149,7 @@ static int l4f00242t03_lcd_power_set(str - return 0; - } - --static struct lcd_ops l4f_ops = { -+static const struct lcd_ops l4f_ops = { - .set_power = l4f00242t03_lcd_power_set, - .get_power = l4f00242t03_lcd_power_get, - }; -diff -urNp linux-2.6.39.3/drivers/video/backlight/lcd.c linux-2.6.39.3/drivers/video/backlight/lcd.c ---- linux-2.6.39.3/drivers/video/backlight/lcd.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/video/backlight/lcd.c 2011-05-22 19:36:32.000000000 -0400 -@@ -192,7 +192,7 @@ static struct device_attribute lcd_devic - * or a pointer to the newly allocated device. - */ - struct lcd_device *lcd_device_register(const char *name, struct device *parent, -- void *devdata, struct lcd_ops *ops) -+ void *devdata, const struct lcd_ops *ops) - { - struct lcd_device *new_ld; - int rc; -diff -urNp linux-2.6.39.3/drivers/video/backlight/ld9040.c linux-2.6.39.3/drivers/video/backlight/ld9040.c ---- linux-2.6.39.3/drivers/video/backlight/ld9040.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/video/backlight/ld9040.c 2011-05-22 19:36:32.000000000 -0400 -@@ -651,7 +651,7 @@ static int ld9040_set_brightness(struct - return ret; - } - --static struct lcd_ops ld9040_lcd_ops = { -+static const struct lcd_ops ld9040_lcd_ops = { - .set_power = ld9040_set_power, - .get_power = ld9040_get_power, - }; -diff -urNp linux-2.6.39.3/drivers/video/backlight/lms283gf05.c linux-2.6.39.3/drivers/video/backlight/lms283gf05.c ---- linux-2.6.39.3/drivers/video/backlight/lms283gf05.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/video/backlight/lms283gf05.c 2011-05-22 19:36:32.000000000 -0400 -@@ -144,7 +144,7 @@ static int lms283gf05_power_set(struct l - return 0; - } - --static struct lcd_ops lms_ops = { -+static const struct lcd_ops lms_ops = { - .set_power = lms283gf05_power_set, - .get_power = NULL, - }; -diff -urNp linux-2.6.39.3/drivers/video/backlight/ltv350qv.c linux-2.6.39.3/drivers/video/backlight/ltv350qv.c ---- linux-2.6.39.3/drivers/video/backlight/ltv350qv.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/video/backlight/ltv350qv.c 2011-05-22 19:36:32.000000000 -0400 -@@ -221,7 +221,7 @@ static int ltv350qv_get_power(struct lcd - return lcd->power; - } - --static struct lcd_ops ltv_ops = { -+static const struct lcd_ops ltv_ops = { - .get_power = ltv350qv_get_power, - .set_power = ltv350qv_set_power, - }; -diff -urNp linux-2.6.39.3/drivers/video/backlight/platform_lcd.c linux-2.6.39.3/drivers/video/backlight/platform_lcd.c ---- linux-2.6.39.3/drivers/video/backlight/platform_lcd.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/video/backlight/platform_lcd.c 2011-05-22 19:36:32.000000000 -0400 -@@ -66,7 +66,7 @@ static int platform_lcd_match(struct lcd - return plcd->us->parent == info->device; - } - --static struct lcd_ops platform_lcd_ops = { -+static const struct lcd_ops platform_lcd_ops = { - .get_power = platform_lcd_get_power, - .set_power = platform_lcd_set_power, - .check_fb = platform_lcd_match, -diff -urNp linux-2.6.39.3/drivers/video/backlight/s6e63m0.c linux-2.6.39.3/drivers/video/backlight/s6e63m0.c ---- linux-2.6.39.3/drivers/video/backlight/s6e63m0.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/video/backlight/s6e63m0.c 2011-05-22 19:36:32.000000000 -0400 -@@ -644,7 +644,7 @@ static int s6e63m0_set_brightness(struct - return ret; - } - --static struct lcd_ops s6e63m0_lcd_ops = { -+static const struct lcd_ops s6e63m0_lcd_ops = { - .set_power = s6e63m0_set_power, - .get_power = s6e63m0_get_power, - }; -diff -urNp linux-2.6.39.3/drivers/video/backlight/tdo24m.c linux-2.6.39.3/drivers/video/backlight/tdo24m.c ---- linux-2.6.39.3/drivers/video/backlight/tdo24m.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/video/backlight/tdo24m.c 2011-05-22 19:36:32.000000000 -0400 -@@ -322,7 +322,7 @@ static int tdo24m_set_mode(struct lcd_de - return lcd->adj_mode(lcd, mode); - } - --static struct lcd_ops tdo24m_ops = { -+static const struct lcd_ops tdo24m_ops = { - .get_power = tdo24m_get_power, - .set_power = tdo24m_set_power, - .set_mode = tdo24m_set_mode, -diff -urNp linux-2.6.39.3/drivers/video/backlight/tosa_lcd.c linux-2.6.39.3/drivers/video/backlight/tosa_lcd.c ---- linux-2.6.39.3/drivers/video/backlight/tosa_lcd.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/video/backlight/tosa_lcd.c 2011-05-22 19:36:32.000000000 -0400 -@@ -163,7 +163,7 @@ static int tosa_lcd_set_mode(struct lcd_ - return 0; - } - --static struct lcd_ops tosa_lcd_ops = { -+static const struct lcd_ops tosa_lcd_ops = { - .set_power = tosa_lcd_set_power, - .get_power = tosa_lcd_get_power, - .set_mode = tosa_lcd_set_mode, -diff -urNp linux-2.6.39.3/drivers/video/bf537-lq035.c linux-2.6.39.3/drivers/video/bf537-lq035.c ---- linux-2.6.39.3/drivers/video/bf537-lq035.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/video/bf537-lq035.c 2011-05-22 19:36:32.000000000 -0400 -@@ -682,7 +682,7 @@ static int bfin_lcd_check_fb(struct lcd_ - return 0; - } - --static struct lcd_ops bfin_lcd_ops = { -+static const struct lcd_ops bfin_lcd_ops = { - .get_power = bfin_lcd_get_power, - .set_power = bfin_lcd_set_power, - .get_contrast = bfin_lcd_get_contrast, -diff -urNp linux-2.6.39.3/drivers/video/bf54x-lq043fb.c linux-2.6.39.3/drivers/video/bf54x-lq043fb.c ---- linux-2.6.39.3/drivers/video/bf54x-lq043fb.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/video/bf54x-lq043fb.c 2011-05-22 19:36:32.000000000 -0400 -@@ -467,7 +467,7 @@ static int bfin_lcd_check_fb(struct lcd_ - return 0; - } - --static struct lcd_ops bfin_lcd_ops = { -+static const struct lcd_ops bfin_lcd_ops = { - .get_power = bfin_lcd_get_power, - .set_power = bfin_lcd_set_power, - .get_contrast = bfin_lcd_get_contrast, -diff -urNp linux-2.6.39.3/drivers/video/bfin-t350mcqb-fb.c linux-2.6.39.3/drivers/video/bfin-t350mcqb-fb.c ---- linux-2.6.39.3/drivers/video/bfin-t350mcqb-fb.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/video/bfin-t350mcqb-fb.c 2011-05-22 19:36:32.000000000 -0400 -@@ -387,7 +387,7 @@ static int bfin_lcd_check_fb(struct lcd_ - return 0; - } - --static struct lcd_ops bfin_lcd_ops = { -+static const struct lcd_ops bfin_lcd_ops = { - .get_power = bfin_lcd_get_power, - .set_power = bfin_lcd_set_power, - .get_contrast = bfin_lcd_get_contrast, -diff -urNp linux-2.6.39.3/drivers/video/fbcmap.c linux-2.6.39.3/drivers/video/fbcmap.c ---- linux-2.6.39.3/drivers/video/fbcmap.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/video/fbcmap.c 2011-05-22 19:36:32.000000000 -0400 -@@ -285,8 +285,7 @@ int fb_set_user_cmap(struct fb_cmap_user - rc = -ENODEV; - goto out; - } -- if (cmap->start < 0 || (!info->fbops->fb_setcolreg && -- !info->fbops->fb_setcmap)) { -+ if (!info->fbops->fb_setcolreg && !info->fbops->fb_setcmap) { - rc = -EINVAL; - goto out1; - } -diff -urNp linux-2.6.39.3/drivers/video/fbmem.c linux-2.6.39.3/drivers/video/fbmem.c ---- linux-2.6.39.3/drivers/video/fbmem.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/video/fbmem.c 2011-05-22 19:36:32.000000000 -0400 -@@ -428,7 +428,7 @@ static void fb_do_show_logo(struct fb_in - image->dx += image->width + 8; - } - } else if (rotate == FB_ROTATE_UD) { -- for (x = 0; x < num && image->dx >= 0; x++) { -+ for (x = 0; x < num && (__s32)image->dx >= 0; x++) { - info->fbops->fb_imageblit(info, image); - image->dx -= image->width + 8; - } -@@ -440,7 +440,7 @@ static void fb_do_show_logo(struct fb_in - image->dy += image->height + 8; - } - } else if (rotate == FB_ROTATE_CCW) { -- for (x = 0; x < num && image->dy >= 0; x++) { -+ for (x = 0; x < num && (__s32)image->dy >= 0; x++) { - info->fbops->fb_imageblit(info, image); - image->dy -= image->height + 8; - } -@@ -939,6 +939,8 @@ fb_set_var(struct fb_info *info, struct - int flags = info->flags; - int ret = 0; - -+ pax_track_stack(); -+ - if (var->activate & FB_ACTIVATE_INV_MODE) { - struct fb_videomode mode1, mode2; - -@@ -1064,6 +1066,8 @@ static long do_fb_ioctl(struct fb_info * - void __user *argp = (void __user *)arg; - long ret = 0; - -+ pax_track_stack(); -+ - switch (cmd) { - case FBIOGET_VSCREENINFO: - if (!lock_fb_info(info)) -@@ -1143,7 +1147,7 @@ static long do_fb_ioctl(struct fb_info * - return -EFAULT; - if (con2fb.console < 1 || con2fb.console > MAX_NR_CONSOLES) - return -EINVAL; -- if (con2fb.framebuffer < 0 || con2fb.framebuffer >= FB_MAX) -+ if (con2fb.framebuffer >= FB_MAX) - return -EINVAL; - if (!registered_fb[con2fb.framebuffer]) - request_module("fb%d", con2fb.framebuffer); -diff -urNp linux-2.6.39.3/drivers/video/geode/display_gx1.c linux-2.6.39.3/drivers/video/geode/display_gx1.c ---- linux-2.6.39.3/drivers/video/geode/display_gx1.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/video/geode/display_gx1.c 2011-05-22 19:36:32.000000000 -0400 -@@ -208,7 +208,7 @@ static void gx1_set_hw_palette_reg(struc - writel(val, par->dc_regs + DC_PAL_DATA); - } - --struct geode_dc_ops gx1_dc_ops = { -+const struct geode_dc_ops gx1_dc_ops = { - .set_mode = gx1_set_mode, - .set_palette_reg = gx1_set_hw_palette_reg, - }; -diff -urNp linux-2.6.39.3/drivers/video/geode/display_gx1.h linux-2.6.39.3/drivers/video/geode/display_gx1.h ---- linux-2.6.39.3/drivers/video/geode/display_gx1.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/video/geode/display_gx1.h 2011-05-22 19:36:32.000000000 -0400 -@@ -18,7 +18,7 @@ - unsigned gx1_gx_base(void); - int gx1_frame_buffer_size(void); - --extern struct geode_dc_ops gx1_dc_ops; -+extern const struct geode_dc_ops gx1_dc_ops; - - /* GX1 configuration I/O registers */ - -diff -urNp linux-2.6.39.3/drivers/video/geode/geodefb.h linux-2.6.39.3/drivers/video/geode/geodefb.h ---- linux-2.6.39.3/drivers/video/geode/geodefb.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/video/geode/geodefb.h 2011-05-22 19:36:32.000000000 -0400 -@@ -31,8 +31,8 @@ struct geodefb_par { - int panel_y; - void __iomem *dc_regs; - void __iomem *vid_regs; -- struct geode_dc_ops *dc_ops; -- struct geode_vid_ops *vid_ops; -+ const struct geode_dc_ops *dc_ops; -+ const struct geode_vid_ops *vid_ops; - }; - - #endif /* !__GEODEFB_H__ */ -diff -urNp linux-2.6.39.3/drivers/video/geode/video_cs5530.c linux-2.6.39.3/drivers/video/geode/video_cs5530.c ---- linux-2.6.39.3/drivers/video/geode/video_cs5530.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/video/geode/video_cs5530.c 2011-05-22 19:36:32.000000000 -0400 -@@ -186,7 +186,7 @@ static int cs5530_blank_display(struct f - return 0; - } - --struct geode_vid_ops cs5530_vid_ops = { -+const struct geode_vid_ops cs5530_vid_ops = { - .set_dclk = cs5530_set_dclk_frequency, - .configure_display = cs5530_configure_display, - .blank_display = cs5530_blank_display, -diff -urNp linux-2.6.39.3/drivers/video/geode/video_cs5530.h linux-2.6.39.3/drivers/video/geode/video_cs5530.h ---- linux-2.6.39.3/drivers/video/geode/video_cs5530.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/video/geode/video_cs5530.h 2011-05-22 19:36:32.000000000 -0400 -@@ -15,7 +15,7 @@ - #ifndef __VIDEO_CS5530_H__ - #define __VIDEO_CS5530_H__ - --extern struct geode_vid_ops cs5530_vid_ops; -+extern const struct geode_vid_ops cs5530_vid_ops; - - /* CS5530 Video device registers */ - -diff -urNp linux-2.6.39.3/drivers/video/i810/i810_accel.c linux-2.6.39.3/drivers/video/i810/i810_accel.c ---- linux-2.6.39.3/drivers/video/i810/i810_accel.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/video/i810/i810_accel.c 2011-05-22 19:36:32.000000000 -0400 -@@ -73,6 +73,7 @@ static inline int wait_for_space(struct - } - } - printk("ringbuffer lockup!!!\n"); -+ printk("head:%u tail:%u iring.size:%u space:%u\n", head, tail, par->iring.size, space); - i810_report_error(mmio); - par->dev_flags |= LOCKUP; - info->pixmap.scan_align = 1; -diff -urNp linux-2.6.39.3/drivers/video/matrox/matroxfb_base.c linux-2.6.39.3/drivers/video/matrox/matroxfb_base.c ---- linux-2.6.39.3/drivers/video/matrox/matroxfb_base.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/video/matrox/matroxfb_base.c 2011-05-22 19:36:32.000000000 -0400 -@@ -1232,7 +1232,7 @@ static struct fb_ops matroxfb_ops = { - #define RSText 0x7 - #define RSText8 0x8 - /* 9-F */ --static struct { struct fb_bitfield red, green, blue, transp; int bits_per_pixel; } colors[] = { -+static const struct { struct fb_bitfield red, green, blue, transp; int bits_per_pixel; } colors[] = { - { { 0, 8, 0}, { 0, 8, 0}, { 0, 8, 0}, { 0, 0, 0}, 8 }, - { { 10, 5, 0}, { 5, 5, 0}, { 0, 5, 0}, { 15, 1, 0}, 16 }, - { { 11, 5, 0}, { 5, 6, 0}, { 0, 5, 0}, { 0, 0, 0}, 16 }, -diff -urNp linux-2.6.39.3/drivers/video/omap/lcd_ams_delta.c linux-2.6.39.3/drivers/video/omap/lcd_ams_delta.c ---- linux-2.6.39.3/drivers/video/omap/lcd_ams_delta.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/video/omap/lcd_ams_delta.c 2011-05-22 19:36:32.000000000 -0400 -@@ -87,7 +87,7 @@ static int ams_delta_lcd_get_contrast(st - return ams_delta_lcd & AMS_DELTA_MAX_CONTRAST; - } - --static struct lcd_ops ams_delta_lcd_ops = { -+static const struct lcd_ops ams_delta_lcd_ops = { - .get_power = ams_delta_lcd_get_power, - .set_power = ams_delta_lcd_set_power, - .get_contrast = ams_delta_lcd_get_contrast, -diff -urNp linux-2.6.39.3/drivers/video/pxa3xx-gcu.c linux-2.6.39.3/drivers/video/pxa3xx-gcu.c ---- linux-2.6.39.3/drivers/video/pxa3xx-gcu.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/video/pxa3xx-gcu.c 2011-05-22 19:36:32.000000000 -0400 -@@ -103,7 +103,7 @@ struct pxa3xx_gcu_priv { - dma_addr_t shared_phys; - struct resource *resource_mem; - struct miscdevice misc_dev; -- struct file_operations misc_fops; -+ const struct file_operations misc_fops; - wait_queue_head_t wait_idle; - wait_queue_head_t wait_free; - spinlock_t spinlock; -diff -urNp linux-2.6.39.3/drivers/video/sh_mobile_lcdcfb.c linux-2.6.39.3/drivers/video/sh_mobile_lcdcfb.c ---- linux-2.6.39.3/drivers/video/sh_mobile_lcdcfb.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/video/sh_mobile_lcdcfb.c 2011-05-22 19:36:32.000000000 -0400 -@@ -245,7 +245,7 @@ static unsigned long lcdc_sys_read_data( - return lcdc_read(ch->lcdc, _LDDRDR) & 0x3ffff; - } - --struct sh_mobile_lcdc_sys_bus_ops sh_mobile_lcdc_sys_bus_ops = { -+const struct sh_mobile_lcdc_sys_bus_ops sh_mobile_lcdc_sys_bus_ops = { - lcdc_sys_write_index, - lcdc_sys_write_data, - lcdc_sys_read_data, -diff -urNp linux-2.6.39.3/drivers/video/udlfb.c linux-2.6.39.3/drivers/video/udlfb.c ---- linux-2.6.39.3/drivers/video/udlfb.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/video/udlfb.c 2011-05-22 19:36:32.000000000 -0400 -@@ -584,11 +584,11 @@ int dlfb_handle_damage(struct dlfb_data - dlfb_urb_completion(urb); - - error: -- atomic_add(bytes_sent, &dev->bytes_sent); -- atomic_add(bytes_identical, &dev->bytes_identical); -- atomic_add(width*height*2, &dev->bytes_rendered); -+ atomic_add_unchecked(bytes_sent, &dev->bytes_sent); -+ atomic_add_unchecked(bytes_identical, &dev->bytes_identical); -+ atomic_add_unchecked(width*height*2, &dev->bytes_rendered); - end_cycles = get_cycles(); -- atomic_add(((unsigned int) ((end_cycles - start_cycles) -+ atomic_add_unchecked(((unsigned int) ((end_cycles - start_cycles) - >> 10)), /* Kcycles */ - &dev->cpu_kcycles_used); - -@@ -709,11 +709,11 @@ static void dlfb_dpy_deferred_io(struct - dlfb_urb_completion(urb); - - error: -- atomic_add(bytes_sent, &dev->bytes_sent); -- atomic_add(bytes_identical, &dev->bytes_identical); -- atomic_add(bytes_rendered, &dev->bytes_rendered); -+ atomic_add_unchecked(bytes_sent, &dev->bytes_sent); -+ atomic_add_unchecked(bytes_identical, &dev->bytes_identical); -+ atomic_add_unchecked(bytes_rendered, &dev->bytes_rendered); - end_cycles = get_cycles(); -- atomic_add(((unsigned int) ((end_cycles - start_cycles) -+ atomic_add_unchecked(((unsigned int) ((end_cycles - start_cycles) - >> 10)), /* Kcycles */ - &dev->cpu_kcycles_used); - } -@@ -1301,7 +1301,7 @@ static ssize_t metrics_bytes_rendered_sh - struct fb_info *fb_info = dev_get_drvdata(fbdev); - struct dlfb_data *dev = fb_info->par; - return snprintf(buf, PAGE_SIZE, "%u\n", -- atomic_read(&dev->bytes_rendered)); -+ atomic_read_unchecked(&dev->bytes_rendered)); - } - - static ssize_t metrics_bytes_identical_show(struct device *fbdev, -@@ -1309,7 +1309,7 @@ static ssize_t metrics_bytes_identical_s - struct fb_info *fb_info = dev_get_drvdata(fbdev); - struct dlfb_data *dev = fb_info->par; - return snprintf(buf, PAGE_SIZE, "%u\n", -- atomic_read(&dev->bytes_identical)); -+ atomic_read_unchecked(&dev->bytes_identical)); - } - - static ssize_t metrics_bytes_sent_show(struct device *fbdev, -@@ -1317,7 +1317,7 @@ static ssize_t metrics_bytes_sent_show(s - struct fb_info *fb_info = dev_get_drvdata(fbdev); - struct dlfb_data *dev = fb_info->par; - return snprintf(buf, PAGE_SIZE, "%u\n", -- atomic_read(&dev->bytes_sent)); -+ atomic_read_unchecked(&dev->bytes_sent)); - } - - static ssize_t metrics_cpu_kcycles_used_show(struct device *fbdev, -@@ -1325,7 +1325,7 @@ static ssize_t metrics_cpu_kcycles_used_ - struct fb_info *fb_info = dev_get_drvdata(fbdev); - struct dlfb_data *dev = fb_info->par; - return snprintf(buf, PAGE_SIZE, "%u\n", -- atomic_read(&dev->cpu_kcycles_used)); -+ atomic_read_unchecked(&dev->cpu_kcycles_used)); - } - - static ssize_t edid_show( -@@ -1382,10 +1382,10 @@ static ssize_t metrics_reset_store(struc - struct fb_info *fb_info = dev_get_drvdata(fbdev); - struct dlfb_data *dev = fb_info->par; - -- atomic_set(&dev->bytes_rendered, 0); -- atomic_set(&dev->bytes_identical, 0); -- atomic_set(&dev->bytes_sent, 0); -- atomic_set(&dev->cpu_kcycles_used, 0); -+ atomic_set_unchecked(&dev->bytes_rendered, 0); -+ atomic_set_unchecked(&dev->bytes_identical, 0); -+ atomic_set_unchecked(&dev->bytes_sent, 0); -+ atomic_set_unchecked(&dev->cpu_kcycles_used, 0); - - return count; - } -diff -urNp linux-2.6.39.3/drivers/video/uvesafb.c linux-2.6.39.3/drivers/video/uvesafb.c ---- linux-2.6.39.3/drivers/video/uvesafb.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/video/uvesafb.c 2011-05-22 19:36:32.000000000 -0400 -@@ -19,6 +19,7 @@ - #include <linux/io.h> - #include <linux/mutex.h> - #include <linux/slab.h> -+#include <linux/moduleloader.h> - #include <video/edid.h> - #include <video/uvesafb.h> - #ifdef CONFIG_X86 -@@ -121,7 +122,7 @@ static int uvesafb_helper_start(void) - NULL, - }; - -- return call_usermodehelper(v86d_path, argv, envp, 1); -+ return call_usermodehelper(v86d_path, argv, envp, UMH_WAIT_PROC); - } - - /* -@@ -569,10 +570,32 @@ static int __devinit uvesafb_vbe_getpmi( - if ((task->t.regs.eax & 0xffff) != 0x4f || task->t.regs.es < 0xc000) { - par->pmi_setpal = par->ypan = 0; - } else { -+ -+#ifdef CONFIG_PAX_KERNEXEC -+#ifdef CONFIG_MODULES -+ par->pmi_code = module_alloc_exec((u16)task->t.regs.ecx); -+#endif -+ if (!par->pmi_code) { -+ par->pmi_setpal = par->ypan = 0; -+ return 0; -+ } -+#endif -+ - par->pmi_base = (u16 *)phys_to_virt(((u32)task->t.regs.es << 4) - + task->t.regs.edi); -+ -+#if defined(CONFIG_MODULES) && defined(CONFIG_PAX_KERNEXEC) -+ pax_open_kernel(); -+ memcpy(par->pmi_code, par->pmi_base, (u16)task->t.regs.ecx); -+ pax_close_kernel(); -+ -+ par->pmi_start = ktva_ktla(par->pmi_code + par->pmi_base[1]); -+ par->pmi_pal = ktva_ktla(par->pmi_code + par->pmi_base[2]); -+#else - par->pmi_start = (u8 *)par->pmi_base + par->pmi_base[1]; - par->pmi_pal = (u8 *)par->pmi_base + par->pmi_base[2]; -+#endif -+ - printk(KERN_INFO "uvesafb: protected mode interface info at " - "%04x:%04x\n", - (u16)task->t.regs.es, (u16)task->t.regs.edi); -@@ -1821,6 +1844,11 @@ out: - if (par->vbe_modes) - kfree(par->vbe_modes); - -+#if defined(CONFIG_MODULES) && defined(CONFIG_PAX_KERNEXEC) -+ if (par->pmi_code) -+ module_free_exec(NULL, par->pmi_code); -+#endif -+ - framebuffer_release(info); - return err; - } -@@ -1847,6 +1875,12 @@ static int uvesafb_remove(struct platfor - kfree(par->vbe_state_orig); - if (par->vbe_state_saved) - kfree(par->vbe_state_saved); -+ -+#if defined(CONFIG_MODULES) && defined(CONFIG_PAX_KERNEXEC) -+ if (par->pmi_code) -+ module_free_exec(NULL, par->pmi_code); -+#endif -+ - } - - framebuffer_release(info); -@@ -2013,7 +2047,7 @@ static int param_set_scroll(const char * - - return 0; - } --static struct kernel_param_ops param_ops_scroll = { -+static const struct kernel_param_ops param_ops_scroll = { - .set = param_set_scroll, - }; - #define param_check_scroll(name, p) __param_check(name, p, void) -diff -urNp linux-2.6.39.3/drivers/video/vesafb.c linux-2.6.39.3/drivers/video/vesafb.c ---- linux-2.6.39.3/drivers/video/vesafb.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/video/vesafb.c 2011-05-22 19:36:32.000000000 -0400 -@@ -9,6 +9,7 @@ - */ - - #include <linux/module.h> -+#include <linux/moduleloader.h> - #include <linux/kernel.h> - #include <linux/errno.h> - #include <linux/string.h> -@@ -52,8 +53,8 @@ static int vram_remap __initdata; /* - static int vram_total __initdata; /* Set total amount of memory */ - static int pmi_setpal __read_mostly = 1; /* pmi for palette changes ??? */ - static int ypan __read_mostly; /* 0..nothing, 1..ypan, 2..ywrap */ --static void (*pmi_start)(void) __read_mostly; --static void (*pmi_pal) (void) __read_mostly; -+static void (*pmi_start)(void) __read_only; -+static void (*pmi_pal) (void) __read_only; - static int depth __read_mostly; - static int vga_compat __read_mostly; - /* --------------------------------------------------------------------- */ -@@ -232,6 +233,7 @@ static int __init vesafb_probe(struct pl - unsigned int size_vmode; - unsigned int size_remap; - unsigned int size_total; -+ void *pmi_code = NULL; - - if (screen_info.orig_video_isVGA != VIDEO_TYPE_VLFB) - return -ENODEV; -@@ -274,10 +276,6 @@ static int __init vesafb_probe(struct pl - size_remap = size_total; - vesafb_fix.smem_len = size_remap; - --#ifndef __i386__ -- screen_info.vesapm_seg = 0; --#endif -- - if (!request_mem_region(vesafb_fix.smem_start, size_total, "vesafb")) { - printk(KERN_WARNING - "vesafb: cannot reserve video memory at 0x%lx\n", -@@ -306,9 +304,21 @@ static int __init vesafb_probe(struct pl - printk(KERN_INFO "vesafb: mode is %dx%dx%d, linelength=%d, pages=%d\n", - vesafb_defined.xres, vesafb_defined.yres, vesafb_defined.bits_per_pixel, vesafb_fix.line_length, screen_info.pages); - -+#ifdef __i386__ -+ -+#if defined(CONFIG_MODULES) && defined(CONFIG_PAX_KERNEXEC) -+ pmi_code = module_alloc_exec(screen_info.vesapm_size); -+ if (!pmi_code) -+#elif !defined(CONFIG_PAX_KERNEXEC) -+ if (0) -+#endif -+ -+#endif -+ screen_info.vesapm_seg = 0; -+ - if (screen_info.vesapm_seg) { -- printk(KERN_INFO "vesafb: protected mode interface info at %04x:%04x\n", -- screen_info.vesapm_seg,screen_info.vesapm_off); -+ printk(KERN_INFO "vesafb: protected mode interface info at %04x:%04x %04x bytes\n", -+ screen_info.vesapm_seg,screen_info.vesapm_off,screen_info.vesapm_size); - } - - if (screen_info.vesapm_seg < 0xc000) -@@ -316,9 +326,25 @@ static int __init vesafb_probe(struct pl - - if (ypan || pmi_setpal) { - unsigned short *pmi_base; -- pmi_base = (unsigned short*)phys_to_virt(((unsigned long)screen_info.vesapm_seg << 4) + screen_info.vesapm_off); -- pmi_start = (void*)((char*)pmi_base + pmi_base[1]); -- pmi_pal = (void*)((char*)pmi_base + pmi_base[2]); -+ -+ pmi_base = (unsigned short*)phys_to_virt(((unsigned long)screen_info.vesapm_seg << 4) + screen_info.vesapm_off); -+ -+#if defined(CONFIG_MODULES) && defined(CONFIG_PAX_KERNEXEC) -+ pax_open_kernel(); -+ memcpy(pmi_code, pmi_base, screen_info.vesapm_size); -+#else -+ pmi_code = pmi_base; -+#endif -+ -+ pmi_start = (void*)((char*)pmi_code + pmi_base[1]); -+ pmi_pal = (void*)((char*)pmi_code + pmi_base[2]); -+ -+#if defined(CONFIG_MODULES) && defined(CONFIG_PAX_KERNEXEC) -+ pmi_start = ktva_ktla(pmi_start); -+ pmi_pal = ktva_ktla(pmi_pal); -+ pax_close_kernel(); -+#endif -+ - printk(KERN_INFO "vesafb: pmi: set display start = %p, set palette = %p\n",pmi_start,pmi_pal); - if (pmi_base[3]) { - printk(KERN_INFO "vesafb: pmi: ports = "); -@@ -487,6 +513,11 @@ static int __init vesafb_probe(struct pl - info->node, info->fix.id); - return 0; - err: -+ -+#if defined(__i386__) && defined(CONFIG_MODULES) && defined(CONFIG_PAX_KERNEXEC) -+ module_free_exec(NULL, pmi_code); -+#endif -+ - if (info->screen_base) - iounmap(info->screen_base); - framebuffer_release(info); -diff -urNp linux-2.6.39.3/drivers/virtio/virtio_balloon.c linux-2.6.39.3/drivers/virtio/virtio_balloon.c ---- linux-2.6.39.3/drivers/virtio/virtio_balloon.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/virtio/virtio_balloon.c 2011-05-22 19:36:32.000000000 -0400 -@@ -176,6 +176,8 @@ static void update_balloon_stats(struct - struct sysinfo i; - int idx = 0; - -+ pax_track_stack(); -+ - all_vm_events(events); - si_meminfo(&i); - -diff -urNp linux-2.6.39.3/drivers/xen/gntalloc.c linux-2.6.39.3/drivers/xen/gntalloc.c ---- linux-2.6.39.3/drivers/xen/gntalloc.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/xen/gntalloc.c 2011-05-22 19:36:32.000000000 -0400 -@@ -440,7 +440,7 @@ static void gntalloc_vma_close(struct vm - spin_unlock(&gref_lock); - } - --static struct vm_operations_struct gntalloc_vmops = { -+static const struct vm_operations_struct gntalloc_vmops = { - .close = gntalloc_vma_close, - }; - -diff -urNp linux-2.6.39.3/drivers/xen/gntdev.c linux-2.6.39.3/drivers/xen/gntdev.c ---- linux-2.6.39.3/drivers/xen/gntdev.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/xen/gntdev.c 2011-05-22 19:36:32.000000000 -0400 -@@ -340,7 +340,7 @@ static void gntdev_vma_close(struct vm_a - gntdev_put_map(map); - } - --static struct vm_operations_struct gntdev_vmops = { -+static const struct vm_operations_struct gntdev_vmops = { - .close = gntdev_vma_close, - }; - -@@ -404,7 +404,7 @@ static void mn_release(struct mmu_notifi - spin_unlock(&priv->lock); - } - --struct mmu_notifier_ops gntdev_mmu_ops = { -+const struct mmu_notifier_ops gntdev_mmu_ops = { - .release = mn_release, - .invalidate_page = mn_invl_page, - .invalidate_range_start = mn_invl_range_start, -diff -urNp linux-2.6.39.3/drivers/xen/xenfs/privcmd.c linux-2.6.39.3/drivers/xen/xenfs/privcmd.c ---- linux-2.6.39.3/drivers/xen/xenfs/privcmd.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/drivers/xen/xenfs/privcmd.c 2011-05-22 19:36:32.000000000 -0400 -@@ -268,7 +268,7 @@ static int mmap_return_errors(void *data - return put_user(*mfnp, st->user++); - } - --static struct vm_operations_struct privcmd_vm_ops; -+static const struct vm_operations_struct privcmd_vm_ops; - - static long privcmd_ioctl_mmap_batch(void __user *udata) - { -@@ -369,7 +369,7 @@ static int privcmd_fault(struct vm_area_ - return VM_FAULT_SIGBUS; - } - --static struct vm_operations_struct privcmd_vm_ops = { -+static const struct vm_operations_struct privcmd_vm_ops = { - .fault = privcmd_fault - }; - -diff -urNp linux-2.6.39.3/fs/9p/vfs_inode.c linux-2.6.39.3/fs/9p/vfs_inode.c ---- linux-2.6.39.3/fs/9p/vfs_inode.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/9p/vfs_inode.c 2011-05-22 19:36:32.000000000 -0400 -@@ -1210,7 +1210,7 @@ static void *v9fs_vfs_follow_link(struct - void - v9fs_vfs_put_link(struct dentry *dentry, struct nameidata *nd, void *p) - { -- char *s = nd_get_link(nd); -+ const char *s = nd_get_link(nd); - - P9_DPRINTK(P9_DEBUG_VFS, " %s %s\n", dentry->d_name.name, - IS_ERR(s) ? "<error>" : s); -diff -urNp linux-2.6.39.3/fs/aio.c linux-2.6.39.3/fs/aio.c ---- linux-2.6.39.3/fs/aio.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/aio.c 2011-06-03 01:00:34.000000000 -0400 -@@ -119,7 +119,7 @@ static int aio_setup_ring(struct kioctx - size += sizeof(struct io_event) * nr_events; - nr_pages = (size + PAGE_SIZE-1) >> PAGE_SHIFT; - -- if (nr_pages < 0) -+ if (nr_pages <= 0) - return -EINVAL; - - nr_events = (PAGE_SIZE * nr_pages - sizeof(struct aio_ring)) / sizeof(struct io_event); -@@ -1088,6 +1088,8 @@ static int read_events(struct kioctx *ct - struct aio_timeout to; - int retry = 0; - -+ pax_track_stack(); -+ - /* needed to zero any padding within an entry (there shouldn't be - * any, but C is fun! - */ -@@ -1381,22 +1383,27 @@ static ssize_t aio_fsync(struct kiocb *i - static ssize_t aio_setup_vectored_rw(int type, struct kiocb *kiocb, bool compat) - { - ssize_t ret; -+ struct iovec iovstack; - - #ifdef CONFIG_COMPAT - if (compat) - ret = compat_rw_copy_check_uvector(type, - (struct compat_iovec __user *)kiocb->ki_buf, -- kiocb->ki_nbytes, 1, &kiocb->ki_inline_vec, -+ kiocb->ki_nbytes, 1, &iovstack, - &kiocb->ki_iovec); - else - #endif - ret = rw_copy_check_uvector(type, - (struct iovec __user *)kiocb->ki_buf, -- kiocb->ki_nbytes, 1, &kiocb->ki_inline_vec, -+ kiocb->ki_nbytes, 1, &iovstack, - &kiocb->ki_iovec); - if (ret < 0) - goto out; - -+ if (kiocb->ki_iovec == &iovstack) { -+ kiocb->ki_inline_vec = iovstack; -+ kiocb->ki_iovec = &kiocb->ki_inline_vec; -+ } - kiocb->ki_nr_segs = kiocb->ki_nbytes; - kiocb->ki_cur_seg = 0; - /* ki_nbytes/left now reflect bytes instead of segs */ -diff -urNp linux-2.6.39.3/fs/attr.c linux-2.6.39.3/fs/attr.c ---- linux-2.6.39.3/fs/attr.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/attr.c 2011-05-22 19:41:37.000000000 -0400 -@@ -98,6 +98,7 @@ int inode_newsize_ok(const struct inode - unsigned long limit; - - limit = rlimit(RLIMIT_FSIZE); -+ gr_learn_resource(current, RLIMIT_FSIZE, (unsigned long)offset, 1); - if (limit != RLIM_INFINITY && offset > limit) - goto out_sig; - if (offset > inode->i_sb->s_maxbytes) -diff -urNp linux-2.6.39.3/fs/befs/linuxvfs.c linux-2.6.39.3/fs/befs/linuxvfs.c ---- linux-2.6.39.3/fs/befs/linuxvfs.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/befs/linuxvfs.c 2011-05-22 19:36:32.000000000 -0400 -@@ -498,7 +498,7 @@ static void befs_put_link(struct dentry - { - befs_inode_info *befs_ino = BEFS_I(dentry->d_inode); - if (befs_ino->i_flags & BEFS_LONG_SYMLINK) { -- char *link = nd_get_link(nd); -+ const char *link = nd_get_link(nd); - if (!IS_ERR(link)) - kfree(link); - } -diff -urNp linux-2.6.39.3/fs/binfmt_aout.c linux-2.6.39.3/fs/binfmt_aout.c ---- linux-2.6.39.3/fs/binfmt_aout.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/binfmt_aout.c 2011-05-22 19:41:37.000000000 -0400 -@@ -16,6 +16,7 @@ - #include <linux/string.h> - #include <linux/fs.h> - #include <linux/file.h> -+#include <linux/security.h> - #include <linux/stat.h> - #include <linux/fcntl.h> - #include <linux/ptrace.h> -@@ -86,6 +87,8 @@ static int aout_core_dump(struct coredum - #endif - # define START_STACK(u) ((void __user *)u.start_stack) - -+ memset(&dump, 0, sizeof(dump)); -+ - fs = get_fs(); - set_fs(KERNEL_DS); - has_dumped = 1; -@@ -97,10 +100,12 @@ static int aout_core_dump(struct coredum - - /* If the size of the dump file exceeds the rlimit, then see what would happen - if we wrote the stack, but not the data area. */ -+ gr_learn_resource(current, RLIMIT_CORE, (dump.u_dsize + dump.u_ssize+1) * PAGE_SIZE, 1); - if ((dump.u_dsize + dump.u_ssize+1) * PAGE_SIZE > cprm->limit) - dump.u_dsize = 0; - - /* Make sure we have enough room to write the stack and data areas. */ -+ gr_learn_resource(current, RLIMIT_CORE, (dump.u_ssize + 1) * PAGE_SIZE, 1); - if ((dump.u_ssize + 1) * PAGE_SIZE > cprm->limit) - dump.u_ssize = 0; - -@@ -234,6 +239,8 @@ static int load_aout_binary(struct linux - rlim = rlimit(RLIMIT_DATA); - if (rlim >= RLIM_INFINITY) - rlim = ~0; -+ -+ gr_learn_resource(current, RLIMIT_DATA, ex.a_data + ex.a_bss, 1); - if (ex.a_data + ex.a_bss > rlim) - return -ENOMEM; - -@@ -262,6 +269,27 @@ static int load_aout_binary(struct linux - install_exec_creds(bprm); - current->flags &= ~PF_FORKNOEXEC; - -+#if defined(CONFIG_PAX_NOEXEC) || defined(CONFIG_PAX_ASLR) -+ current->mm->pax_flags = 0UL; -+#endif -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+ if (!(N_FLAGS(ex) & F_PAX_PAGEEXEC)) { -+ current->mm->pax_flags |= MF_PAX_PAGEEXEC; -+ -+#ifdef CONFIG_PAX_EMUTRAMP -+ if (N_FLAGS(ex) & F_PAX_EMUTRAMP) -+ current->mm->pax_flags |= MF_PAX_EMUTRAMP; -+#endif -+ -+#ifdef CONFIG_PAX_MPROTECT -+ if (!(N_FLAGS(ex) & F_PAX_MPROTECT)) -+ current->mm->pax_flags |= MF_PAX_MPROTECT; -+#endif -+ -+ } -+#endif -+ - if (N_MAGIC(ex) == OMAGIC) { - unsigned long text_addr, map_size; - loff_t pos; -@@ -334,7 +362,7 @@ static int load_aout_binary(struct linux - - down_write(¤t->mm->mmap_sem); - error = do_mmap(bprm->file, N_DATADDR(ex), ex.a_data, -- PROT_READ | PROT_WRITE | PROT_EXEC, -+ PROT_READ | PROT_WRITE, - MAP_FIXED | MAP_PRIVATE | MAP_DENYWRITE | MAP_EXECUTABLE, - fd_offset + ex.a_text); - up_write(¤t->mm->mmap_sem); -diff -urNp linux-2.6.39.3/fs/binfmt_elf.c linux-2.6.39.3/fs/binfmt_elf.c ---- linux-2.6.39.3/fs/binfmt_elf.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/binfmt_elf.c 2011-05-22 19:41:37.000000000 -0400 -@@ -51,6 +51,10 @@ static int elf_core_dump(struct coredump - #define elf_core_dump NULL - #endif - -+#ifdef CONFIG_PAX_MPROTECT -+static void elf_handle_mprotect(struct vm_area_struct *vma, unsigned long newflags); -+#endif -+ - #if ELF_EXEC_PAGESIZE > PAGE_SIZE - #define ELF_MIN_ALIGN ELF_EXEC_PAGESIZE - #else -@@ -70,6 +74,11 @@ static struct linux_binfmt elf_format = - .load_binary = load_elf_binary, - .load_shlib = load_elf_library, - .core_dump = elf_core_dump, -+ -+#ifdef CONFIG_PAX_MPROTECT -+ .handle_mprotect= elf_handle_mprotect, -+#endif -+ - .min_coredump = ELF_EXEC_PAGESIZE, - }; - -@@ -77,6 +86,8 @@ static struct linux_binfmt elf_format = - - static int set_brk(unsigned long start, unsigned long end) - { -+ unsigned long e = end; -+ - start = ELF_PAGEALIGN(start); - end = ELF_PAGEALIGN(end); - if (end > start) { -@@ -87,7 +98,7 @@ static int set_brk(unsigned long start, - if (BAD_ADDR(addr)) - return addr; - } -- current->mm->start_brk = current->mm->brk = end; -+ current->mm->start_brk = current->mm->brk = e; - return 0; - } - -@@ -148,12 +159,15 @@ create_elf_tables(struct linux_binprm *b - elf_addr_t __user *u_rand_bytes; - const char *k_platform = ELF_PLATFORM; - const char *k_base_platform = ELF_BASE_PLATFORM; -- unsigned char k_rand_bytes[16]; -+ u32 k_rand_bytes[4]; - int items; - elf_addr_t *elf_info; - int ei_index = 0; - const struct cred *cred = current_cred(); - struct vm_area_struct *vma; -+ unsigned long saved_auxv[AT_VECTOR_SIZE]; -+ -+ pax_track_stack(); - - /* - * In some cases (e.g. Hyper-Threading), we want to avoid L1 -@@ -195,8 +209,12 @@ create_elf_tables(struct linux_binprm *b - * Generate 16 random bytes for userspace PRNG seeding. - */ - get_random_bytes(k_rand_bytes, sizeof(k_rand_bytes)); -- u_rand_bytes = (elf_addr_t __user *) -- STACK_ALLOC(p, sizeof(k_rand_bytes)); -+ srandom32(k_rand_bytes[0] ^ random32()); -+ srandom32(k_rand_bytes[1] ^ random32()); -+ srandom32(k_rand_bytes[2] ^ random32()); -+ srandom32(k_rand_bytes[3] ^ random32()); -+ p = STACK_ROUND(p, sizeof(k_rand_bytes)); -+ u_rand_bytes = (elf_addr_t __user *) p; - if (__copy_to_user(u_rand_bytes, k_rand_bytes, sizeof(k_rand_bytes))) - return -EFAULT; - -@@ -308,9 +326,11 @@ create_elf_tables(struct linux_binprm *b - return -EFAULT; - current->mm->env_end = p; - -+ memcpy(saved_auxv, elf_info, ei_index * sizeof(elf_addr_t)); -+ - /* Put the elf_info on the stack in the right place. */ - sp = (elf_addr_t __user *)envp + 1; -- if (copy_to_user(sp, elf_info, ei_index * sizeof(elf_addr_t))) -+ if (copy_to_user(sp, saved_auxv, ei_index * sizeof(elf_addr_t))) - return -EFAULT; - return 0; - } -@@ -381,10 +401,10 @@ static unsigned long load_elf_interp(str - { - struct elf_phdr *elf_phdata; - struct elf_phdr *eppnt; -- unsigned long load_addr = 0; -+ unsigned long load_addr = 0, pax_task_size = TASK_SIZE; - int load_addr_set = 0; - unsigned long last_bss = 0, elf_bss = 0; -- unsigned long error = ~0UL; -+ unsigned long error = -EINVAL; - unsigned long total_size; - int retval, i, size; - -@@ -430,6 +450,11 @@ static unsigned long load_elf_interp(str - goto out_close; - } - -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (current->mm->pax_flags & MF_PAX_SEGMEXEC) -+ pax_task_size = SEGMEXEC_TASK_SIZE; -+#endif -+ - eppnt = elf_phdata; - for (i = 0; i < interp_elf_ex->e_phnum; i++, eppnt++) { - if (eppnt->p_type == PT_LOAD) { -@@ -473,8 +498,8 @@ static unsigned long load_elf_interp(str - k = load_addr + eppnt->p_vaddr; - if (BAD_ADDR(k) || - eppnt->p_filesz > eppnt->p_memsz || -- eppnt->p_memsz > TASK_SIZE || -- TASK_SIZE - eppnt->p_memsz < k) { -+ eppnt->p_memsz > pax_task_size || -+ pax_task_size - eppnt->p_memsz < k) { - error = -ENOMEM; - goto out_close; - } -@@ -528,6 +553,193 @@ out: - return error; - } - -+#if (defined(CONFIG_PAX_EI_PAX) || defined(CONFIG_PAX_PT_PAX_FLAGS)) && defined(CONFIG_PAX_SOFTMODE) -+static unsigned long pax_parse_softmode(const struct elf_phdr * const elf_phdata) -+{ -+ unsigned long pax_flags = 0UL; -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+ if (elf_phdata->p_flags & PF_PAGEEXEC) -+ pax_flags |= MF_PAX_PAGEEXEC; -+#endif -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (elf_phdata->p_flags & PF_SEGMEXEC) -+ pax_flags |= MF_PAX_SEGMEXEC; -+#endif -+ -+#if defined(CONFIG_PAX_PAGEEXEC) && defined(CONFIG_PAX_SEGMEXEC) -+ if ((pax_flags & (MF_PAX_PAGEEXEC | MF_PAX_SEGMEXEC)) == (MF_PAX_PAGEEXEC | MF_PAX_SEGMEXEC)) { -+ if ((__supported_pte_mask & _PAGE_NX)) -+ pax_flags &= ~MF_PAX_SEGMEXEC; -+ else -+ pax_flags &= ~MF_PAX_PAGEEXEC; -+ } -+#endif -+ -+#ifdef CONFIG_PAX_EMUTRAMP -+ if (elf_phdata->p_flags & PF_EMUTRAMP) -+ pax_flags |= MF_PAX_EMUTRAMP; -+#endif -+ -+#ifdef CONFIG_PAX_MPROTECT -+ if (elf_phdata->p_flags & PF_MPROTECT) -+ pax_flags |= MF_PAX_MPROTECT; -+#endif -+ -+#if defined(CONFIG_PAX_RANDMMAP) || defined(CONFIG_PAX_RANDUSTACK) -+ if (randomize_va_space && (elf_phdata->p_flags & PF_RANDMMAP)) -+ pax_flags |= MF_PAX_RANDMMAP; -+#endif -+ -+ return pax_flags; -+} -+#endif -+ -+#ifdef CONFIG_PAX_PT_PAX_FLAGS -+static unsigned long pax_parse_hardmode(const struct elf_phdr * const elf_phdata) -+{ -+ unsigned long pax_flags = 0UL; -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+ if (!(elf_phdata->p_flags & PF_NOPAGEEXEC)) -+ pax_flags |= MF_PAX_PAGEEXEC; -+#endif -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (!(elf_phdata->p_flags & PF_NOSEGMEXEC)) -+ pax_flags |= MF_PAX_SEGMEXEC; -+#endif -+ -+#if defined(CONFIG_PAX_PAGEEXEC) && defined(CONFIG_PAX_SEGMEXEC) -+ if ((pax_flags & (MF_PAX_PAGEEXEC | MF_PAX_SEGMEXEC)) == (MF_PAX_PAGEEXEC | MF_PAX_SEGMEXEC)) { -+ if ((__supported_pte_mask & _PAGE_NX)) -+ pax_flags &= ~MF_PAX_SEGMEXEC; -+ else -+ pax_flags &= ~MF_PAX_PAGEEXEC; -+ } -+#endif -+ -+#ifdef CONFIG_PAX_EMUTRAMP -+ if (!(elf_phdata->p_flags & PF_NOEMUTRAMP)) -+ pax_flags |= MF_PAX_EMUTRAMP; -+#endif -+ -+#ifdef CONFIG_PAX_MPROTECT -+ if (!(elf_phdata->p_flags & PF_NOMPROTECT)) -+ pax_flags |= MF_PAX_MPROTECT; -+#endif -+ -+#if defined(CONFIG_PAX_RANDMMAP) || defined(CONFIG_PAX_RANDUSTACK) -+ if (randomize_va_space && !(elf_phdata->p_flags & PF_NORANDMMAP)) -+ pax_flags |= MF_PAX_RANDMMAP; -+#endif -+ -+ return pax_flags; -+} -+#endif -+ -+#ifdef CONFIG_PAX_EI_PAX -+static unsigned long pax_parse_ei_pax(const struct elfhdr * const elf_ex) -+{ -+ unsigned long pax_flags = 0UL; -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+ if (!(elf_ex->e_ident[EI_PAX] & EF_PAX_PAGEEXEC)) -+ pax_flags |= MF_PAX_PAGEEXEC; -+#endif -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (!(elf_ex->e_ident[EI_PAX] & EF_PAX_SEGMEXEC)) -+ pax_flags |= MF_PAX_SEGMEXEC; -+#endif -+ -+#if defined(CONFIG_PAX_PAGEEXEC) && defined(CONFIG_PAX_SEGMEXEC) -+ if ((pax_flags & (MF_PAX_PAGEEXEC | MF_PAX_SEGMEXEC)) == (MF_PAX_PAGEEXEC | MF_PAX_SEGMEXEC)) { -+ if ((__supported_pte_mask & _PAGE_NX)) -+ pax_flags &= ~MF_PAX_SEGMEXEC; -+ else -+ pax_flags &= ~MF_PAX_PAGEEXEC; -+ } -+#endif -+ -+#ifdef CONFIG_PAX_EMUTRAMP -+ if ((pax_flags & (MF_PAX_PAGEEXEC | MF_PAX_SEGMEXEC)) && (elf_ex->e_ident[EI_PAX] & EF_PAX_EMUTRAMP)) -+ pax_flags |= MF_PAX_EMUTRAMP; -+#endif -+ -+#ifdef CONFIG_PAX_MPROTECT -+ if ((pax_flags & (MF_PAX_PAGEEXEC | MF_PAX_SEGMEXEC)) && !(elf_ex->e_ident[EI_PAX] & EF_PAX_MPROTECT)) -+ pax_flags |= MF_PAX_MPROTECT; -+#endif -+ -+#ifdef CONFIG_PAX_ASLR -+ if (randomize_va_space && !(elf_ex->e_ident[EI_PAX] & EF_PAX_RANDMMAP)) -+ pax_flags |= MF_PAX_RANDMMAP; -+#endif -+ -+ return pax_flags; -+} -+#endif -+ -+#if defined(CONFIG_PAX_EI_PAX) || defined(CONFIG_PAX_PT_PAX_FLAGS) -+static long pax_parse_elf_flags(const struct elfhdr * const elf_ex, const struct elf_phdr * const elf_phdata) -+{ -+ unsigned long pax_flags = 0UL; -+ -+#ifdef CONFIG_PAX_PT_PAX_FLAGS -+ unsigned long i; -+ int found_flags = 0; -+#endif -+ -+#ifdef CONFIG_PAX_EI_PAX -+ pax_flags = pax_parse_ei_pax(elf_ex); -+#endif -+ -+#ifdef CONFIG_PAX_PT_PAX_FLAGS -+ for (i = 0UL; i < elf_ex->e_phnum; i++) -+ if (elf_phdata[i].p_type == PT_PAX_FLAGS) { -+ if (((elf_phdata[i].p_flags & PF_PAGEEXEC) && (elf_phdata[i].p_flags & PF_NOPAGEEXEC)) || -+ ((elf_phdata[i].p_flags & PF_SEGMEXEC) && (elf_phdata[i].p_flags & PF_NOSEGMEXEC)) || -+ ((elf_phdata[i].p_flags & PF_EMUTRAMP) && (elf_phdata[i].p_flags & PF_NOEMUTRAMP)) || -+ ((elf_phdata[i].p_flags & PF_MPROTECT) && (elf_phdata[i].p_flags & PF_NOMPROTECT)) || -+ ((elf_phdata[i].p_flags & PF_RANDMMAP) && (elf_phdata[i].p_flags & PF_NORANDMMAP))) -+ return -EINVAL; -+ -+#ifdef CONFIG_PAX_SOFTMODE -+ if (pax_softmode) -+ pax_flags = pax_parse_softmode(&elf_phdata[i]); -+ else -+#endif -+ -+ pax_flags = pax_parse_hardmode(&elf_phdata[i]); -+ found_flags = 1; -+ break; -+ } -+#endif -+ -+#if !defined(CONFIG_PAX_EI_PAX) && defined(CONFIG_PAX_PT_PAX_FLAGS) -+ if (found_flags == 0) { -+ struct elf_phdr phdr; -+ memset(&phdr, 0, sizeof(phdr)); -+ phdr.p_flags = PF_NOEMUTRAMP; -+#ifdef CONFIG_PAX_SOFTMODE -+ if (pax_softmode) -+ pax_flags = pax_parse_softmode(&phdr); -+ else -+#endif -+ pax_flags = pax_parse_hardmode(&phdr); -+ } -+#endif -+ -+ if (0 > pax_check_flags(&pax_flags)) -+ return -EINVAL; -+ -+ current->mm->pax_flags = pax_flags; -+ return 0; -+} -+#endif -+ - /* - * These are the functions used to load ELF style executables and shared - * libraries. There is no binary dependent code anywhere else. -@@ -544,6 +756,11 @@ static unsigned long randomize_stack_top - { - unsigned int random_variable = 0; - -+#ifdef CONFIG_PAX_RANDUSTACK -+ if (randomize_va_space) -+ return stack_top - current->mm->delta_stack; -+#endif -+ - if ((current->flags & PF_RANDOMIZE) && - !(current->personality & ADDR_NO_RANDOMIZE)) { - random_variable = get_random_int() & STACK_RND_MASK; -@@ -562,7 +779,7 @@ static int load_elf_binary(struct linux_ - unsigned long load_addr = 0, load_bias = 0; - int load_addr_set = 0; - char * elf_interpreter = NULL; -- unsigned long error; -+ unsigned long error = 0; - struct elf_phdr *elf_ppnt, *elf_phdata; - unsigned long elf_bss, elf_brk; - int retval, i; -@@ -572,11 +789,11 @@ static int load_elf_binary(struct linux_ - unsigned long start_code, end_code, start_data, end_data; - unsigned long reloc_func_desc __maybe_unused = 0; - int executable_stack = EXSTACK_DEFAULT; -- unsigned long def_flags = 0; - struct { - struct elfhdr elf_ex; - struct elfhdr interp_elf_ex; - } *loc; -+ unsigned long pax_task_size = TASK_SIZE; - - loc = kmalloc(sizeof(*loc), GFP_KERNEL); - if (!loc) { -@@ -714,11 +931,81 @@ static int load_elf_binary(struct linux_ - - /* OK, This is the point of no return */ - current->flags &= ~PF_FORKNOEXEC; -- current->mm->def_flags = def_flags; -+ -+#if defined(CONFIG_PAX_NOEXEC) || defined(CONFIG_PAX_ASLR) -+ current->mm->pax_flags = 0UL; -+#endif -+ -+#ifdef CONFIG_PAX_DLRESOLVE -+ current->mm->call_dl_resolve = 0UL; -+#endif -+ -+#if defined(CONFIG_PPC32) && defined(CONFIG_PAX_EMUSIGRT) -+ current->mm->call_syscall = 0UL; -+#endif -+ -+#ifdef CONFIG_PAX_ASLR -+ current->mm->delta_mmap = 0UL; -+ current->mm->delta_stack = 0UL; -+#endif -+ -+ current->mm->def_flags = 0; -+ -+#if defined(CONFIG_PAX_EI_PAX) || defined(CONFIG_PAX_PT_PAX_FLAGS) -+ if (0 > pax_parse_elf_flags(&loc->elf_ex, elf_phdata)) { -+ send_sig(SIGKILL, current, 0); -+ goto out_free_dentry; -+ } -+#endif -+ -+#ifdef CONFIG_PAX_HAVE_ACL_FLAGS -+ pax_set_initial_flags(bprm); -+#elif defined(CONFIG_PAX_HOOK_ACL_FLAGS) -+ if (pax_set_initial_flags_func) -+ (pax_set_initial_flags_func)(bprm); -+#endif -+ -+#ifdef CONFIG_ARCH_TRACK_EXEC_LIMIT -+ if ((current->mm->pax_flags & MF_PAX_PAGEEXEC) && !(__supported_pte_mask & _PAGE_NX)) { -+ current->mm->context.user_cs_limit = PAGE_SIZE; -+ current->mm->def_flags |= VM_PAGEEXEC; -+ } -+#endif -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (current->mm->pax_flags & MF_PAX_SEGMEXEC) { -+ current->mm->context.user_cs_base = SEGMEXEC_TASK_SIZE; -+ current->mm->context.user_cs_limit = TASK_SIZE-SEGMEXEC_TASK_SIZE; -+ pax_task_size = SEGMEXEC_TASK_SIZE; -+ current->mm->def_flags |= VM_NOHUGEPAGE; -+ } -+#endif -+ -+#if defined(CONFIG_ARCH_TRACK_EXEC_LIMIT) || defined(CONFIG_PAX_SEGMEXEC) -+ if (current->mm->pax_flags & (MF_PAX_PAGEEXEC | MF_PAX_SEGMEXEC)) { -+ set_user_cs(current->mm->context.user_cs_base, current->mm->context.user_cs_limit, get_cpu()); -+ put_cpu(); -+ } -+#endif - - /* Do this immediately, since STACK_TOP as used in setup_arg_pages - may depend on the personality. */ - SET_PERSONALITY(loc->elf_ex); -+ -+#ifdef CONFIG_PAX_ASLR -+ if (current->mm->pax_flags & MF_PAX_RANDMMAP) { -+ current->mm->delta_mmap = (pax_get_random_long() & ((1UL << PAX_DELTA_MMAP_LEN)-1)) << PAGE_SHIFT; -+ current->mm->delta_stack = (pax_get_random_long() & ((1UL << PAX_DELTA_STACK_LEN)-1)) << PAGE_SHIFT; -+ } -+#endif -+ -+#if defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC) -+ if (current->mm->pax_flags & (MF_PAX_PAGEEXEC | MF_PAX_SEGMEXEC)) { -+ executable_stack = EXSTACK_DISABLE_X; -+ current->personality &= ~READ_IMPLIES_EXEC; -+ } else -+#endif -+ - if (elf_read_implies_exec(loc->elf_ex, executable_stack)) - current->personality |= READ_IMPLIES_EXEC; - -@@ -800,6 +1087,20 @@ static int load_elf_binary(struct linux_ - #else - load_bias = ELF_PAGESTART(ELF_ET_DYN_BASE - vaddr); - #endif -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ /* PaX: randomize base address at the default exe base if requested */ -+ if ((current->mm->pax_flags & MF_PAX_RANDMMAP) && elf_interpreter) { -+#ifdef CONFIG_SPARC64 -+ load_bias = (pax_get_random_long() & ((1UL << PAX_DELTA_MMAP_LEN) - 1)) << (PAGE_SHIFT+1); -+#else -+ load_bias = (pax_get_random_long() & ((1UL << PAX_DELTA_MMAP_LEN) - 1)) << PAGE_SHIFT; -+#endif -+ load_bias = ELF_PAGESTART(PAX_ELF_ET_DYN_BASE - vaddr + load_bias); -+ elf_flags |= MAP_FIXED; -+ } -+#endif -+ - } - - error = elf_map(bprm->file, load_bias + vaddr, elf_ppnt, -@@ -832,9 +1133,9 @@ static int load_elf_binary(struct linux_ - * allowed task size. Note that p_filesz must always be - * <= p_memsz so it is only necessary to check p_memsz. - */ -- if (BAD_ADDR(k) || elf_ppnt->p_filesz > elf_ppnt->p_memsz || -- elf_ppnt->p_memsz > TASK_SIZE || -- TASK_SIZE - elf_ppnt->p_memsz < k) { -+ if (k >= pax_task_size || elf_ppnt->p_filesz > elf_ppnt->p_memsz || -+ elf_ppnt->p_memsz > pax_task_size || -+ pax_task_size - elf_ppnt->p_memsz < k) { - /* set_brk can never work. Avoid overflows. */ - send_sig(SIGKILL, current, 0); - retval = -EINVAL; -@@ -862,6 +1163,11 @@ static int load_elf_binary(struct linux_ - start_data += load_bias; - end_data += load_bias; - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (current->mm->pax_flags & MF_PAX_RANDMMAP) -+ elf_brk += PAGE_SIZE + ((pax_get_random_long() & ~PAGE_MASK) << 4); -+#endif -+ - /* Calling set_brk effectively mmaps the pages that we need - * for the bss and break sections. We must do this before - * mapping in the interpreter, to make sure it doesn't wind -@@ -873,9 +1179,11 @@ static int load_elf_binary(struct linux_ - goto out_free_dentry; - } - if (likely(elf_bss != elf_brk) && unlikely(padzero(elf_bss))) { -- send_sig(SIGSEGV, current, 0); -- retval = -EFAULT; /* Nobody gets to see this, but.. */ -- goto out_free_dentry; -+ /* -+ * This bss-zeroing can fail if the ELF -+ * file specifies odd protections. So -+ * we don't check the return value -+ */ - } - - if (elf_interpreter) { -@@ -1090,7 +1398,7 @@ out: - * Decide what to dump of a segment, part, all or none. - */ - static unsigned long vma_dump_size(struct vm_area_struct *vma, -- unsigned long mm_flags) -+ unsigned long mm_flags, long signr) - { - #define FILTER(type) (mm_flags & (1UL << MMF_DUMP_##type)) - -@@ -1124,7 +1432,7 @@ static unsigned long vma_dump_size(struc - if (vma->vm_file == NULL) - return 0; - -- if (FILTER(MAPPED_PRIVATE)) -+ if (signr == SIGKILL || FILTER(MAPPED_PRIVATE)) - goto whole; - - /* -@@ -1346,9 +1654,9 @@ static void fill_auxv_note(struct memelf - { - elf_addr_t *auxv = (elf_addr_t *) mm->saved_auxv; - int i = 0; -- do -+ do { - i += 2; -- while (auxv[i - 2] != AT_NULL); -+ } while (auxv[i - 2] != AT_NULL); - fill_note(note, "CORE", NT_AUXV, i * sizeof(elf_addr_t), auxv); - } - -@@ -1854,14 +2162,14 @@ static void fill_extnum_info(struct elfh - } - - static size_t elf_core_vma_data_size(struct vm_area_struct *gate_vma, -- unsigned long mm_flags) -+ struct coredump_params *cprm) - { - struct vm_area_struct *vma; - size_t size = 0; - - for (vma = first_vma(current, gate_vma); vma != NULL; - vma = next_vma(vma, gate_vma)) -- size += vma_dump_size(vma, mm_flags); -+ size += vma_dump_size(vma, cprm->mm_flags, cprm->signr); - return size; - } - -@@ -1955,7 +2263,7 @@ static int elf_core_dump(struct coredump - - dataoff = offset = roundup(offset, ELF_EXEC_PAGESIZE); - -- offset += elf_core_vma_data_size(gate_vma, cprm->mm_flags); -+ offset += elf_core_vma_data_size(gate_vma, cprm); - offset += elf_core_extra_data_size(); - e_shoff = offset; - -@@ -1969,10 +2277,12 @@ static int elf_core_dump(struct coredump - offset = dataoff; - - size += sizeof(*elf); -+ gr_learn_resource(current, RLIMIT_CORE, size, 1); - if (size > cprm->limit || !dump_write(cprm->file, elf, sizeof(*elf))) - goto end_coredump; - - size += sizeof(*phdr4note); -+ gr_learn_resource(current, RLIMIT_CORE, size, 1); - if (size > cprm->limit - || !dump_write(cprm->file, phdr4note, sizeof(*phdr4note))) - goto end_coredump; -@@ -1986,7 +2296,7 @@ static int elf_core_dump(struct coredump - phdr.p_offset = offset; - phdr.p_vaddr = vma->vm_start; - phdr.p_paddr = 0; -- phdr.p_filesz = vma_dump_size(vma, cprm->mm_flags); -+ phdr.p_filesz = vma_dump_size(vma, cprm->mm_flags, cprm->signr); - phdr.p_memsz = vma->vm_end - vma->vm_start; - offset += phdr.p_filesz; - phdr.p_flags = vma->vm_flags & VM_READ ? PF_R : 0; -@@ -1997,6 +2307,7 @@ static int elf_core_dump(struct coredump - phdr.p_align = ELF_EXEC_PAGESIZE; - - size += sizeof(phdr); -+ gr_learn_resource(current, RLIMIT_CORE, size, 1); - if (size > cprm->limit - || !dump_write(cprm->file, &phdr, sizeof(phdr))) - goto end_coredump; -@@ -2021,7 +2332,7 @@ static int elf_core_dump(struct coredump - unsigned long addr; - unsigned long end; - -- end = vma->vm_start + vma_dump_size(vma, cprm->mm_flags); -+ end = vma->vm_start + vma_dump_size(vma, cprm->mm_flags, cprm->signr); - - for (addr = vma->vm_start; addr < end; addr += PAGE_SIZE) { - struct page *page; -@@ -2030,6 +2341,7 @@ static int elf_core_dump(struct coredump - page = get_dump_page(addr); - if (page) { - void *kaddr = kmap(page); -+ gr_learn_resource(current, RLIMIT_CORE, size + PAGE_SIZE, 1); - stop = ((size += PAGE_SIZE) > cprm->limit) || - !dump_write(cprm->file, kaddr, - PAGE_SIZE); -@@ -2047,6 +2359,7 @@ static int elf_core_dump(struct coredump - - if (e_phnum == PN_XNUM) { - size += sizeof(*shdr4extnum); -+ gr_learn_resource(current, RLIMIT_CORE, size, 1); - if (size > cprm->limit - || !dump_write(cprm->file, shdr4extnum, - sizeof(*shdr4extnum))) -@@ -2067,6 +2380,97 @@ out: - - #endif /* CONFIG_ELF_CORE */ - -+#ifdef CONFIG_PAX_MPROTECT -+/* PaX: non-PIC ELF libraries need relocations on their executable segments -+ * therefore we'll grant them VM_MAYWRITE once during their life. Similarly -+ * we'll remove VM_MAYWRITE for good on RELRO segments. -+ * -+ * The checks favour ld-linux.so behaviour which operates on a per ELF segment -+ * basis because we want to allow the common case and not the special ones. -+ */ -+static void elf_handle_mprotect(struct vm_area_struct *vma, unsigned long newflags) -+{ -+ struct elfhdr elf_h; -+ struct elf_phdr elf_p; -+ unsigned long i; -+ unsigned long oldflags; -+ bool is_textrel_rw, is_textrel_rx, is_relro; -+ -+ if (!(vma->vm_mm->pax_flags & MF_PAX_MPROTECT)) -+ return; -+ -+ oldflags = vma->vm_flags & (VM_MAYEXEC | VM_MAYWRITE | VM_MAYREAD | VM_EXEC | VM_WRITE | VM_READ); -+ newflags &= VM_MAYEXEC | VM_MAYWRITE | VM_MAYREAD | VM_EXEC | VM_WRITE | VM_READ; -+ -+#ifdef CONFIG_PAX_ELFRELOCS -+ /* possible TEXTREL */ -+ is_textrel_rw = vma->vm_file && !vma->anon_vma && oldflags == (VM_MAYEXEC | VM_MAYREAD | VM_EXEC | VM_READ) && newflags == (VM_WRITE | VM_READ); -+ is_textrel_rx = vma->vm_file && vma->anon_vma && oldflags == (VM_MAYEXEC | VM_MAYWRITE | VM_MAYREAD | VM_WRITE | VM_READ) && newflags == (VM_EXEC | VM_READ); -+#else -+ is_textrel_rw = false; -+ is_textrel_rx = false; -+#endif -+ -+ /* possible RELRO */ -+ is_relro = vma->vm_file && vma->anon_vma && oldflags == (VM_MAYWRITE | VM_MAYREAD | VM_READ) && newflags == (VM_MAYWRITE | VM_MAYREAD | VM_READ); -+ -+ if (!is_textrel_rw && !is_textrel_rx && !is_relro) -+ return; -+ -+ if (sizeof(elf_h) != kernel_read(vma->vm_file, 0UL, (char *)&elf_h, sizeof(elf_h)) || -+ memcmp(elf_h.e_ident, ELFMAG, SELFMAG) || -+ -+#ifdef CONFIG_PAX_ETEXECRELOCS -+ ((is_textrel_rw || is_textrel_rx) && (elf_h.e_type != ET_DYN && elf_h.e_type != ET_EXEC)) || -+#else -+ ((is_textrel_rw || is_textrel_rx) && elf_h.e_type != ET_DYN) || -+#endif -+ -+ (is_relro && (elf_h.e_type != ET_DYN && elf_h.e_type != ET_EXEC)) || -+ !elf_check_arch(&elf_h) || -+ elf_h.e_phentsize != sizeof(struct elf_phdr) || -+ elf_h.e_phnum > 65536UL / sizeof(struct elf_phdr)) -+ return; -+ -+ for (i = 0UL; i < elf_h.e_phnum; i++) { -+ if (sizeof(elf_p) != kernel_read(vma->vm_file, elf_h.e_phoff + i*sizeof(elf_p), (char *)&elf_p, sizeof(elf_p))) -+ return; -+ switch (elf_p.p_type) { -+ case PT_DYNAMIC: -+ if (!is_textrel_rw && !is_textrel_rx) -+ continue; -+ i = 0UL; -+ while ((i+1) * sizeof(elf_dyn) <= elf_p.p_filesz) { -+ elf_dyn dyn; -+ -+ if (sizeof(dyn) != kernel_read(vma->vm_file, elf_p.p_offset + i*sizeof(dyn), (char *)&dyn, sizeof(dyn))) -+ return; -+ if (dyn.d_tag == DT_NULL) -+ return; -+ if (dyn.d_tag == DT_TEXTREL || (dyn.d_tag == DT_FLAGS && (dyn.d_un.d_val & DF_TEXTREL))) { -+ gr_log_textrel(vma); -+ if (is_textrel_rw) -+ vma->vm_flags |= VM_MAYWRITE; -+ else -+ /* PaX: disallow write access after relocs are done, hopefully noone else needs it... */ -+ vma->vm_flags &= ~VM_MAYWRITE; -+ return; -+ } -+ i++; -+ } -+ return; -+ -+ case PT_GNU_RELRO: -+ if (!is_relro) -+ continue; -+ if ((elf_p.p_offset >> PAGE_SHIFT) == vma->vm_pgoff && ELF_PAGEALIGN(elf_p.p_memsz) == vma->vm_end - vma->vm_start) -+ vma->vm_flags &= ~VM_MAYWRITE; -+ return; -+ } -+ } -+} -+#endif -+ - static int __init init_elf_binfmt(void) - { - return register_binfmt(&elf_format); -diff -urNp linux-2.6.39.3/fs/binfmt_flat.c linux-2.6.39.3/fs/binfmt_flat.c ---- linux-2.6.39.3/fs/binfmt_flat.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/binfmt_flat.c 2011-05-22 19:36:32.000000000 -0400 -@@ -567,7 +567,9 @@ static int load_flat_file(struct linux_b - realdatastart = (unsigned long) -ENOMEM; - printk("Unable to allocate RAM for process data, errno %d\n", - (int)-realdatastart); -+ down_write(¤t->mm->mmap_sem); - do_munmap(current->mm, textpos, text_len); -+ up_write(¤t->mm->mmap_sem); - ret = realdatastart; - goto err; - } -@@ -591,8 +593,10 @@ static int load_flat_file(struct linux_b - } - if (IS_ERR_VALUE(result)) { - printk("Unable to read data+bss, errno %d\n", (int)-result); -+ down_write(¤t->mm->mmap_sem); - do_munmap(current->mm, textpos, text_len); - do_munmap(current->mm, realdatastart, len); -+ up_write(¤t->mm->mmap_sem); - ret = result; - goto err; - } -@@ -661,8 +665,10 @@ static int load_flat_file(struct linux_b - } - if (IS_ERR_VALUE(result)) { - printk("Unable to read code+data+bss, errno %d\n",(int)-result); -+ down_write(¤t->mm->mmap_sem); - do_munmap(current->mm, textpos, text_len + data_len + extra + - MAX_SHARED_LIBS * sizeof(unsigned long)); -+ up_write(¤t->mm->mmap_sem); - ret = result; - goto err; - } -diff -urNp linux-2.6.39.3/fs/bio.c linux-2.6.39.3/fs/bio.c ---- linux-2.6.39.3/fs/bio.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/bio.c 2011-05-22 19:36:32.000000000 -0400 -@@ -1233,7 +1233,7 @@ static void bio_copy_kern_endio(struct b - const int read = bio_data_dir(bio) == READ; - struct bio_map_data *bmd = bio->bi_private; - int i; -- char *p = bmd->sgvecs[0].iov_base; -+ char *p = (__force char *)bmd->sgvecs[0].iov_base; - - __bio_for_each_segment(bvec, bio, i, 0) { - char *addr = page_address(bvec->bv_page); -diff -urNp linux-2.6.39.3/fs/block_dev.c linux-2.6.39.3/fs/block_dev.c ---- linux-2.6.39.3/fs/block_dev.c 2011-07-09 09:18:51.000000000 -0400 -+++ linux-2.6.39.3/fs/block_dev.c 2011-07-09 09:19:18.000000000 -0400 -@@ -671,7 +671,7 @@ static bool bd_may_claim(struct block_de - else if (bdev->bd_contains == bdev) - return true; /* is a whole device which isn't held */ - -- else if (whole->bd_holder == bd_may_claim) -+ else if (whole->bd_holder == (void *)bd_may_claim) - return true; /* is a partition of a device that is being partitioned */ - else if (whole->bd_holder != NULL) - return false; /* is a partition of a held device */ -diff -urNp linux-2.6.39.3/fs/btrfs/compression.c linux-2.6.39.3/fs/btrfs/compression.c ---- linux-2.6.39.3/fs/btrfs/compression.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/btrfs/compression.c 2011-05-22 19:36:32.000000000 -0400 -@@ -719,7 +719,7 @@ static int comp_num_workspace[BTRFS_COMP - static atomic_t comp_alloc_workspace[BTRFS_COMPRESS_TYPES]; - static wait_queue_head_t comp_workspace_wait[BTRFS_COMPRESS_TYPES]; - --struct btrfs_compress_op *btrfs_compress_op[] = { -+const struct btrfs_compress_op *btrfs_compress_op[] = { - &btrfs_zlib_compress, - &btrfs_lzo_compress, - }; -diff -urNp linux-2.6.39.3/fs/btrfs/compression.h linux-2.6.39.3/fs/btrfs/compression.h ---- linux-2.6.39.3/fs/btrfs/compression.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/btrfs/compression.h 2011-05-22 19:36:32.000000000 -0400 -@@ -77,7 +77,7 @@ struct btrfs_compress_op { - size_t srclen, size_t destlen); - }; - --extern struct btrfs_compress_op btrfs_zlib_compress; --extern struct btrfs_compress_op btrfs_lzo_compress; -+extern const struct btrfs_compress_op btrfs_zlib_compress; -+extern const struct btrfs_compress_op btrfs_lzo_compress; - - #endif -diff -urNp linux-2.6.39.3/fs/btrfs/ctree.c linux-2.6.39.3/fs/btrfs/ctree.c ---- linux-2.6.39.3/fs/btrfs/ctree.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/btrfs/ctree.c 2011-05-22 19:36:32.000000000 -0400 -@@ -461,9 +461,12 @@ static noinline int __btrfs_cow_block(st - free_extent_buffer(buf); - add_root_to_dirty_list(root); - } else { -- if (root->root_key.objectid == BTRFS_TREE_RELOC_OBJECTID) -- parent_start = parent->start; -- else -+ if (root->root_key.objectid == BTRFS_TREE_RELOC_OBJECTID) { -+ if (parent) -+ parent_start = parent->start; -+ else -+ parent_start = 0; -+ } else - parent_start = 0; - - WARN_ON(trans->transid != btrfs_header_generation(parent)); -@@ -3647,7 +3650,6 @@ setup_items_for_insert(struct btrfs_tran - - ret = 0; - if (slot == 0) { -- struct btrfs_disk_key disk_key; - btrfs_cpu_key_to_disk(&disk_key, cpu_key); - ret = fixup_low_keys(trans, root, path, &disk_key, 1); - } -diff -urNp linux-2.6.39.3/fs/btrfs/disk-io.c linux-2.6.39.3/fs/btrfs/disk-io.c ---- linux-2.6.39.3/fs/btrfs/disk-io.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/btrfs/disk-io.c 2011-05-22 19:36:32.000000000 -0400 -@@ -42,7 +42,7 @@ - #include "tree-log.h" - #include "free-space-cache.h" - --static struct extent_io_ops btree_extent_io_ops; -+static const struct extent_io_ops btree_extent_io_ops; - static void end_workqueue_fn(struct btrfs_work *work); - static void free_fs_root(struct btrfs_root *root); - static void btrfs_check_super_valid(struct btrfs_fs_info *fs_info, -@@ -3070,7 +3070,7 @@ static int btrfs_cleanup_transaction(str - return 0; - } - --static struct extent_io_ops btree_extent_io_ops = { -+static const struct extent_io_ops btree_extent_io_ops = { - .write_cache_pages_lock_hook = btree_lock_page_hook, - .readpage_end_io_hook = btree_readpage_end_io_hook, - .submit_bio_hook = btree_submit_bio_hook, -diff -urNp linux-2.6.39.3/fs/btrfs/extent_io.h linux-2.6.39.3/fs/btrfs/extent_io.h ---- linux-2.6.39.3/fs/btrfs/extent_io.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/btrfs/extent_io.h 2011-05-22 19:36:32.000000000 -0400 -@@ -56,36 +56,36 @@ typedef int (extent_submit_bio_hook_t)(s - struct bio *bio, int mirror_num, - unsigned long bio_flags, u64 bio_offset); - struct extent_io_ops { -- int (*fill_delalloc)(struct inode *inode, struct page *locked_page, -+ int (* const fill_delalloc)(struct inode *inode, struct page *locked_page, - u64 start, u64 end, int *page_started, - unsigned long *nr_written); -- int (*writepage_start_hook)(struct page *page, u64 start, u64 end); -- int (*writepage_io_hook)(struct page *page, u64 start, u64 end); -+ int (* const writepage_start_hook)(struct page *page, u64 start, u64 end); -+ int (* const writepage_io_hook)(struct page *page, u64 start, u64 end); - extent_submit_bio_hook_t *submit_bio_hook; -- int (*merge_bio_hook)(struct page *page, unsigned long offset, -+ int (* const merge_bio_hook)(struct page *page, unsigned long offset, - size_t size, struct bio *bio, - unsigned long bio_flags); -- int (*readpage_io_hook)(struct page *page, u64 start, u64 end); -- int (*readpage_io_failed_hook)(struct bio *bio, struct page *page, -+ int (* const readpage_io_hook)(struct page *page, u64 start, u64 end); -+ int (* const readpage_io_failed_hook)(struct bio *bio, struct page *page, - u64 start, u64 end, - struct extent_state *state); -- int (*writepage_io_failed_hook)(struct bio *bio, struct page *page, -+ int (* const writepage_io_failed_hook)(struct bio *bio, struct page *page, - u64 start, u64 end, - struct extent_state *state); -- int (*readpage_end_io_hook)(struct page *page, u64 start, u64 end, -+ int (* const readpage_end_io_hook)(struct page *page, u64 start, u64 end, - struct extent_state *state); -- int (*writepage_end_io_hook)(struct page *page, u64 start, u64 end, -+ int (* const writepage_end_io_hook)(struct page *page, u64 start, u64 end, - struct extent_state *state, int uptodate); -- int (*set_bit_hook)(struct inode *inode, struct extent_state *state, -+ int (* const set_bit_hook)(struct inode *inode, struct extent_state *state, - int *bits); -- int (*clear_bit_hook)(struct inode *inode, struct extent_state *state, -+ int (* const clear_bit_hook)(struct inode *inode, struct extent_state *state, - int *bits); -- int (*merge_extent_hook)(struct inode *inode, -+ int (* const merge_extent_hook)(struct inode *inode, - struct extent_state *new, - struct extent_state *other); -- int (*split_extent_hook)(struct inode *inode, -+ int (* const split_extent_hook)(struct inode *inode, - struct extent_state *orig, u64 split); -- int (*write_cache_pages_lock_hook)(struct page *page); -+ int (* const write_cache_pages_lock_hook)(struct page *page); - }; - - struct extent_io_tree { -@@ -95,7 +95,7 @@ struct extent_io_tree { - u64 dirty_bytes; - spinlock_t lock; - spinlock_t buffer_lock; -- struct extent_io_ops *ops; -+ const struct extent_io_ops *ops; - }; - - struct extent_state { -diff -urNp linux-2.6.39.3/fs/btrfs/free-space-cache.c linux-2.6.39.3/fs/btrfs/free-space-cache.c ---- linux-2.6.39.3/fs/btrfs/free-space-cache.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/btrfs/free-space-cache.c 2011-05-22 19:36:32.000000000 -0400 -@@ -1910,8 +1910,6 @@ u64 btrfs_alloc_from_cluster(struct btrf - while(1) { - if (entry->bytes < bytes || - (!entry->bitmap && entry->offset < min_start)) { -- struct rb_node *node; -- - node = rb_next(&entry->offset_index); - if (!node) - break; -@@ -1925,7 +1923,6 @@ u64 btrfs_alloc_from_cluster(struct btrf - cluster, entry, bytes, - min_start); - if (ret == 0) { -- struct rb_node *node; - node = rb_next(&entry->offset_index); - if (!node) - break; -diff -urNp linux-2.6.39.3/fs/btrfs/inode.c linux-2.6.39.3/fs/btrfs/inode.c ---- linux-2.6.39.3/fs/btrfs/inode.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/btrfs/inode.c 2011-05-22 20:42:42.000000000 -0400 -@@ -65,7 +65,7 @@ static const struct inode_operations btr - static const struct address_space_operations btrfs_aops; - static const struct address_space_operations btrfs_symlink_aops; - static const struct file_operations btrfs_dir_file_operations; --static struct extent_io_ops btrfs_extent_io_ops; -+static const struct extent_io_ops btrfs_extent_io_ops; - - static struct kmem_cache *btrfs_inode_cachep; - struct kmem_cache *btrfs_trans_handle_cachep; -@@ -6947,7 +6947,7 @@ fail: - return -ENOMEM; - } - --static int btrfs_getattr(struct vfsmount *mnt, -+int btrfs_getattr(struct vfsmount *mnt, - struct dentry *dentry, struct kstat *stat) - { - struct inode *inode = dentry->d_inode; -@@ -6959,6 +6959,14 @@ static int btrfs_getattr(struct vfsmount - return 0; - } - -+EXPORT_SYMBOL(btrfs_getattr); -+ -+dev_t get_btrfs_dev_from_inode(struct inode *inode) -+{ -+ return BTRFS_I(inode)->root->anon_super.s_dev; -+} -+EXPORT_SYMBOL(get_btrfs_dev_from_inode); -+ - /* - * If a file is moved, it will inherit the cow and compression flags of the new - * directory. -@@ -7488,7 +7496,7 @@ static const struct file_operations btrf - .fsync = btrfs_sync_file, - }; - --static struct extent_io_ops btrfs_extent_io_ops = { -+static const struct extent_io_ops btrfs_extent_io_ops = { - .fill_delalloc = run_delalloc_range, - .submit_bio_hook = btrfs_submit_bio_hook, - .merge_bio_hook = btrfs_merge_bio_hook, -diff -urNp linux-2.6.39.3/fs/btrfs/ioctl.c linux-2.6.39.3/fs/btrfs/ioctl.c ---- linux-2.6.39.3/fs/btrfs/ioctl.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/btrfs/ioctl.c 2011-05-22 19:41:37.000000000 -0400 -@@ -2361,9 +2361,12 @@ long btrfs_ioctl_space_info(struct btrfs - for (i = 0; i < num_types; i++) { - struct btrfs_space_info *tmp; - -+ /* Don't copy in more than we allocated */ - if (!slot_count) - break; - -+ slot_count--; -+ - info = NULL; - rcu_read_lock(); - list_for_each_entry_rcu(tmp, &root->fs_info->space_info, -@@ -2385,10 +2388,7 @@ long btrfs_ioctl_space_info(struct btrfs - memcpy(dest, &space, sizeof(space)); - dest++; - space_args.total_spaces++; -- slot_count--; - } -- if (!slot_count) -- break; - } - up_read(&info->groups_sem); - } -diff -urNp linux-2.6.39.3/fs/btrfs/lzo.c linux-2.6.39.3/fs/btrfs/lzo.c ---- linux-2.6.39.3/fs/btrfs/lzo.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/btrfs/lzo.c 2011-05-22 19:36:32.000000000 -0400 -@@ -418,7 +418,7 @@ out: - return ret; - } - --struct btrfs_compress_op btrfs_lzo_compress = { -+const struct btrfs_compress_op btrfs_lzo_compress = { - .alloc_workspace = lzo_alloc_workspace, - .free_workspace = lzo_free_workspace, - .compress_pages = lzo_compress_pages, -diff -urNp linux-2.6.39.3/fs/btrfs/relocation.c linux-2.6.39.3/fs/btrfs/relocation.c ---- linux-2.6.39.3/fs/btrfs/relocation.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/btrfs/relocation.c 2011-05-22 19:36:32.000000000 -0400 -@@ -1239,7 +1239,7 @@ static int __update_reloc_root(struct bt - } - spin_unlock(&rc->reloc_root_tree.lock); - -- BUG_ON((struct btrfs_root *)node->data != root); -+ BUG_ON(!node || (struct btrfs_root *)node->data != root); - - if (!del) { - spin_lock(&rc->reloc_root_tree.lock); -diff -urNp linux-2.6.39.3/fs/btrfs/zlib.c linux-2.6.39.3/fs/btrfs/zlib.c ---- linux-2.6.39.3/fs/btrfs/zlib.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/btrfs/zlib.c 2011-05-22 19:36:32.000000000 -0400 -@@ -390,7 +390,7 @@ next: - return ret; - } - --struct btrfs_compress_op btrfs_zlib_compress = { -+const struct btrfs_compress_op btrfs_zlib_compress = { - .alloc_workspace = zlib_alloc_workspace, - .free_workspace = zlib_free_workspace, - .compress_pages = zlib_compress_pages, -diff -urNp linux-2.6.39.3/fs/cachefiles/bind.c linux-2.6.39.3/fs/cachefiles/bind.c ---- linux-2.6.39.3/fs/cachefiles/bind.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/cachefiles/bind.c 2011-05-22 19:36:32.000000000 -0400 -@@ -39,13 +39,11 @@ int cachefiles_daemon_bind(struct cachef - args); - - /* start by checking things over */ -- ASSERT(cache->fstop_percent >= 0 && -- cache->fstop_percent < cache->fcull_percent && -+ ASSERT(cache->fstop_percent < cache->fcull_percent && - cache->fcull_percent < cache->frun_percent && - cache->frun_percent < 100); - -- ASSERT(cache->bstop_percent >= 0 && -- cache->bstop_percent < cache->bcull_percent && -+ ASSERT(cache->bstop_percent < cache->bcull_percent && - cache->bcull_percent < cache->brun_percent && - cache->brun_percent < 100); - -diff -urNp linux-2.6.39.3/fs/cachefiles/daemon.c linux-2.6.39.3/fs/cachefiles/daemon.c ---- linux-2.6.39.3/fs/cachefiles/daemon.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/cachefiles/daemon.c 2011-05-22 19:36:32.000000000 -0400 -@@ -196,7 +196,7 @@ static ssize_t cachefiles_daemon_read(st - if (n > buflen) - return -EMSGSIZE; - -- if (copy_to_user(_buffer, buffer, n) != 0) -+ if (n > sizeof(buffer) || copy_to_user(_buffer, buffer, n) != 0) - return -EFAULT; - - return n; -@@ -222,7 +222,7 @@ static ssize_t cachefiles_daemon_write(s - if (test_bit(CACHEFILES_DEAD, &cache->flags)) - return -EIO; - -- if (datalen < 0 || datalen > PAGE_SIZE - 1) -+ if (datalen > PAGE_SIZE - 1) - return -EOPNOTSUPP; - - /* drag the command string into the kernel so we can parse it */ -@@ -386,7 +386,7 @@ static int cachefiles_daemon_fstop(struc - if (args[0] != '%' || args[1] != '\0') - return -EINVAL; - -- if (fstop < 0 || fstop >= cache->fcull_percent) -+ if (fstop >= cache->fcull_percent) - return cachefiles_daemon_range_error(cache, args); - - cache->fstop_percent = fstop; -@@ -458,7 +458,7 @@ static int cachefiles_daemon_bstop(struc - if (args[0] != '%' || args[1] != '\0') - return -EINVAL; - -- if (bstop < 0 || bstop >= cache->bcull_percent) -+ if (bstop >= cache->bcull_percent) - return cachefiles_daemon_range_error(cache, args); - - cache->bstop_percent = bstop; -diff -urNp linux-2.6.39.3/fs/cachefiles/internal.h linux-2.6.39.3/fs/cachefiles/internal.h ---- linux-2.6.39.3/fs/cachefiles/internal.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/cachefiles/internal.h 2011-05-22 19:36:32.000000000 -0400 -@@ -57,7 +57,7 @@ struct cachefiles_cache { - wait_queue_head_t daemon_pollwq; /* poll waitqueue for daemon */ - struct rb_root active_nodes; /* active nodes (can't be culled) */ - rwlock_t active_lock; /* lock for active_nodes */ -- atomic_t gravecounter; /* graveyard uniquifier */ -+ atomic_unchecked_t gravecounter; /* graveyard uniquifier */ - unsigned frun_percent; /* when to stop culling (% files) */ - unsigned fcull_percent; /* when to start culling (% files) */ - unsigned fstop_percent; /* when to stop allocating (% files) */ -@@ -169,19 +169,19 @@ extern int cachefiles_check_in_use(struc - * proc.c - */ - #ifdef CONFIG_CACHEFILES_HISTOGRAM --extern atomic_t cachefiles_lookup_histogram[HZ]; --extern atomic_t cachefiles_mkdir_histogram[HZ]; --extern atomic_t cachefiles_create_histogram[HZ]; -+extern atomic_unchecked_t cachefiles_lookup_histogram[HZ]; -+extern atomic_unchecked_t cachefiles_mkdir_histogram[HZ]; -+extern atomic_unchecked_t cachefiles_create_histogram[HZ]; - - extern int __init cachefiles_proc_init(void); - extern void cachefiles_proc_cleanup(void); - static inline --void cachefiles_hist(atomic_t histogram[], unsigned long start_jif) -+void cachefiles_hist(atomic_unchecked_t histogram[], unsigned long start_jif) - { - unsigned long jif = jiffies - start_jif; - if (jif >= HZ) - jif = HZ - 1; -- atomic_inc(&histogram[jif]); -+ atomic_inc_unchecked(&histogram[jif]); - } - - #else -diff -urNp linux-2.6.39.3/fs/cachefiles/namei.c linux-2.6.39.3/fs/cachefiles/namei.c ---- linux-2.6.39.3/fs/cachefiles/namei.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/cachefiles/namei.c 2011-05-22 19:36:32.000000000 -0400 -@@ -318,7 +318,7 @@ try_again: - /* first step is to make up a grave dentry in the graveyard */ - sprintf(nbuffer, "%08x%08x", - (uint32_t) get_seconds(), -- (uint32_t) atomic_inc_return(&cache->gravecounter)); -+ (uint32_t) atomic_inc_return_unchecked(&cache->gravecounter)); - - /* do the multiway lock magic */ - trap = lock_rename(cache->graveyard, dir); -diff -urNp linux-2.6.39.3/fs/cachefiles/proc.c linux-2.6.39.3/fs/cachefiles/proc.c ---- linux-2.6.39.3/fs/cachefiles/proc.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/cachefiles/proc.c 2011-05-22 19:36:32.000000000 -0400 -@@ -14,9 +14,9 @@ - #include <linux/seq_file.h> - #include "internal.h" - --atomic_t cachefiles_lookup_histogram[HZ]; --atomic_t cachefiles_mkdir_histogram[HZ]; --atomic_t cachefiles_create_histogram[HZ]; -+atomic_unchecked_t cachefiles_lookup_histogram[HZ]; -+atomic_unchecked_t cachefiles_mkdir_histogram[HZ]; -+atomic_unchecked_t cachefiles_create_histogram[HZ]; - - /* - * display the latency histogram -@@ -35,9 +35,9 @@ static int cachefiles_histogram_show(str - return 0; - default: - index = (unsigned long) v - 3; -- x = atomic_read(&cachefiles_lookup_histogram[index]); -- y = atomic_read(&cachefiles_mkdir_histogram[index]); -- z = atomic_read(&cachefiles_create_histogram[index]); -+ x = atomic_read_unchecked(&cachefiles_lookup_histogram[index]); -+ y = atomic_read_unchecked(&cachefiles_mkdir_histogram[index]); -+ z = atomic_read_unchecked(&cachefiles_create_histogram[index]); - if (x == 0 && y == 0 && z == 0) - return 0; - -diff -urNp linux-2.6.39.3/fs/cachefiles/rdwr.c linux-2.6.39.3/fs/cachefiles/rdwr.c ---- linux-2.6.39.3/fs/cachefiles/rdwr.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/cachefiles/rdwr.c 2011-05-22 19:36:32.000000000 -0400 -@@ -945,7 +945,7 @@ int cachefiles_write_page(struct fscache - old_fs = get_fs(); - set_fs(KERNEL_DS); - ret = file->f_op->write( -- file, (const void __user *) data, len, &pos); -+ file, (__force const void __user *) data, len, &pos); - set_fs(old_fs); - kunmap(page); - if (ret != len) -diff -urNp linux-2.6.39.3/fs/ceph/addr.c linux-2.6.39.3/fs/ceph/addr.c ---- linux-2.6.39.3/fs/ceph/addr.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/ceph/addr.c 2011-05-22 19:36:32.000000000 -0400 -@@ -1164,7 +1164,7 @@ out: - return ret; - } - --static struct vm_operations_struct ceph_vmops = { -+static const struct vm_operations_struct ceph_vmops = { - .fault = filemap_fault, - .page_mkwrite = ceph_page_mkwrite, - }; -diff -urNp linux-2.6.39.3/fs/ceph/dir.c linux-2.6.39.3/fs/ceph/dir.c ---- linux-2.6.39.3/fs/ceph/dir.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/ceph/dir.c 2011-05-22 19:36:32.000000000 -0400 -@@ -226,7 +226,7 @@ static int ceph_readdir(struct file *fil - struct ceph_fs_client *fsc = ceph_inode_to_client(inode); - struct ceph_mds_client *mdsc = fsc->mdsc; - unsigned frag = fpos_frag(filp->f_pos); -- int off = fpos_off(filp->f_pos); -+ unsigned int off = fpos_off(filp->f_pos); - int err; - u32 ftype; - struct ceph_mds_reply_info_parsed *rinfo; -@@ -360,7 +360,7 @@ more: - rinfo = &fi->last_readdir->r_reply_info; - dout("readdir frag %x num %d off %d chunkoff %d\n", frag, - rinfo->dir_nr, off, fi->offset); -- while (off - fi->offset >= 0 && off - fi->offset < rinfo->dir_nr) { -+ while (off >= fi->offset && off - fi->offset < rinfo->dir_nr) { - u64 pos = ceph_make_fpos(frag, off); - struct ceph_mds_reply_inode *in = - rinfo->dir_in[off - fi->offset].in; -diff -urNp linux-2.6.39.3/fs/cifs/cifs_debug.c linux-2.6.39.3/fs/cifs/cifs_debug.c ---- linux-2.6.39.3/fs/cifs/cifs_debug.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/cifs/cifs_debug.c 2011-05-22 19:36:32.000000000 -0400 -@@ -279,25 +279,25 @@ static ssize_t cifs_stats_proc_write(str - tcon = list_entry(tmp3, - struct cifsTconInfo, - tcon_list); -- atomic_set(&tcon->num_smbs_sent, 0); -- atomic_set(&tcon->num_writes, 0); -- atomic_set(&tcon->num_reads, 0); -- atomic_set(&tcon->num_oplock_brks, 0); -- atomic_set(&tcon->num_opens, 0); -- atomic_set(&tcon->num_posixopens, 0); -- atomic_set(&tcon->num_posixmkdirs, 0); -- atomic_set(&tcon->num_closes, 0); -- atomic_set(&tcon->num_deletes, 0); -- atomic_set(&tcon->num_mkdirs, 0); -- atomic_set(&tcon->num_rmdirs, 0); -- atomic_set(&tcon->num_renames, 0); -- atomic_set(&tcon->num_t2renames, 0); -- atomic_set(&tcon->num_ffirst, 0); -- atomic_set(&tcon->num_fnext, 0); -- atomic_set(&tcon->num_fclose, 0); -- atomic_set(&tcon->num_hardlinks, 0); -- atomic_set(&tcon->num_symlinks, 0); -- atomic_set(&tcon->num_locks, 0); -+ atomic_set_unchecked(&tcon->num_smbs_sent, 0); -+ atomic_set_unchecked(&tcon->num_writes, 0); -+ atomic_set_unchecked(&tcon->num_reads, 0); -+ atomic_set_unchecked(&tcon->num_oplock_brks, 0); -+ atomic_set_unchecked(&tcon->num_opens, 0); -+ atomic_set_unchecked(&tcon->num_posixopens, 0); -+ atomic_set_unchecked(&tcon->num_posixmkdirs, 0); -+ atomic_set_unchecked(&tcon->num_closes, 0); -+ atomic_set_unchecked(&tcon->num_deletes, 0); -+ atomic_set_unchecked(&tcon->num_mkdirs, 0); -+ atomic_set_unchecked(&tcon->num_rmdirs, 0); -+ atomic_set_unchecked(&tcon->num_renames, 0); -+ atomic_set_unchecked(&tcon->num_t2renames, 0); -+ atomic_set_unchecked(&tcon->num_ffirst, 0); -+ atomic_set_unchecked(&tcon->num_fnext, 0); -+ atomic_set_unchecked(&tcon->num_fclose, 0); -+ atomic_set_unchecked(&tcon->num_hardlinks, 0); -+ atomic_set_unchecked(&tcon->num_symlinks, 0); -+ atomic_set_unchecked(&tcon->num_locks, 0); - } - } - } -@@ -357,41 +357,41 @@ static int cifs_stats_proc_show(struct s - if (tcon->need_reconnect) - seq_puts(m, "\tDISCONNECTED "); - seq_printf(m, "\nSMBs: %d Oplock Breaks: %d", -- atomic_read(&tcon->num_smbs_sent), -- atomic_read(&tcon->num_oplock_brks)); -+ atomic_read_unchecked(&tcon->num_smbs_sent), -+ atomic_read_unchecked(&tcon->num_oplock_brks)); - seq_printf(m, "\nReads: %d Bytes: %lld", -- atomic_read(&tcon->num_reads), -+ atomic_read_unchecked(&tcon->num_reads), - (long long)(tcon->bytes_read)); - seq_printf(m, "\nWrites: %d Bytes: %lld", -- atomic_read(&tcon->num_writes), -+ atomic_read_unchecked(&tcon->num_writes), - (long long)(tcon->bytes_written)); - seq_printf(m, "\nFlushes: %d", -- atomic_read(&tcon->num_flushes)); -+ atomic_read_unchecked(&tcon->num_flushes)); - seq_printf(m, "\nLocks: %d HardLinks: %d " - "Symlinks: %d", -- atomic_read(&tcon->num_locks), -- atomic_read(&tcon->num_hardlinks), -- atomic_read(&tcon->num_symlinks)); -+ atomic_read_unchecked(&tcon->num_locks), -+ atomic_read_unchecked(&tcon->num_hardlinks), -+ atomic_read_unchecked(&tcon->num_symlinks)); - seq_printf(m, "\nOpens: %d Closes: %d " - "Deletes: %d", -- atomic_read(&tcon->num_opens), -- atomic_read(&tcon->num_closes), -- atomic_read(&tcon->num_deletes)); -+ atomic_read_unchecked(&tcon->num_opens), -+ atomic_read_unchecked(&tcon->num_closes), -+ atomic_read_unchecked(&tcon->num_deletes)); - seq_printf(m, "\nPosix Opens: %d " - "Posix Mkdirs: %d", -- atomic_read(&tcon->num_posixopens), -- atomic_read(&tcon->num_posixmkdirs)); -+ atomic_read_unchecked(&tcon->num_posixopens), -+ atomic_read_unchecked(&tcon->num_posixmkdirs)); - seq_printf(m, "\nMkdirs: %d Rmdirs: %d", -- atomic_read(&tcon->num_mkdirs), -- atomic_read(&tcon->num_rmdirs)); -+ atomic_read_unchecked(&tcon->num_mkdirs), -+ atomic_read_unchecked(&tcon->num_rmdirs)); - seq_printf(m, "\nRenames: %d T2 Renames %d", -- atomic_read(&tcon->num_renames), -- atomic_read(&tcon->num_t2renames)); -+ atomic_read_unchecked(&tcon->num_renames), -+ atomic_read_unchecked(&tcon->num_t2renames)); - seq_printf(m, "\nFindFirst: %d FNext %d " - "FClose %d", -- atomic_read(&tcon->num_ffirst), -- atomic_read(&tcon->num_fnext), -- atomic_read(&tcon->num_fclose)); -+ atomic_read_unchecked(&tcon->num_ffirst), -+ atomic_read_unchecked(&tcon->num_fnext), -+ atomic_read_unchecked(&tcon->num_fclose)); - } - } - } -diff -urNp linux-2.6.39.3/fs/cifs/cifsglob.h linux-2.6.39.3/fs/cifs/cifsglob.h ---- linux-2.6.39.3/fs/cifs/cifsglob.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/cifs/cifsglob.h 2011-05-22 19:36:32.000000000 -0400 -@@ -305,28 +305,28 @@ struct cifsTconInfo { - __u16 Flags; /* optional support bits */ - enum statusEnum tidStatus; - #ifdef CONFIG_CIFS_STATS -- atomic_t num_smbs_sent; -- atomic_t num_writes; -- atomic_t num_reads; -- atomic_t num_flushes; -- atomic_t num_oplock_brks; -- atomic_t num_opens; -- atomic_t num_closes; -- atomic_t num_deletes; -- atomic_t num_mkdirs; -- atomic_t num_posixopens; -- atomic_t num_posixmkdirs; -- atomic_t num_rmdirs; -- atomic_t num_renames; -- atomic_t num_t2renames; -- atomic_t num_ffirst; -- atomic_t num_fnext; -- atomic_t num_fclose; -- atomic_t num_hardlinks; -- atomic_t num_symlinks; -- atomic_t num_locks; -- atomic_t num_acl_get; -- atomic_t num_acl_set; -+ atomic_unchecked_t num_smbs_sent; -+ atomic_unchecked_t num_writes; -+ atomic_unchecked_t num_reads; -+ atomic_unchecked_t num_flushes; -+ atomic_unchecked_t num_oplock_brks; -+ atomic_unchecked_t num_opens; -+ atomic_unchecked_t num_closes; -+ atomic_unchecked_t num_deletes; -+ atomic_unchecked_t num_mkdirs; -+ atomic_unchecked_t num_posixopens; -+ atomic_unchecked_t num_posixmkdirs; -+ atomic_unchecked_t num_rmdirs; -+ atomic_unchecked_t num_renames; -+ atomic_unchecked_t num_t2renames; -+ atomic_unchecked_t num_ffirst; -+ atomic_unchecked_t num_fnext; -+ atomic_unchecked_t num_fclose; -+ atomic_unchecked_t num_hardlinks; -+ atomic_unchecked_t num_symlinks; -+ atomic_unchecked_t num_locks; -+ atomic_unchecked_t num_acl_get; -+ atomic_unchecked_t num_acl_set; - #ifdef CONFIG_CIFS_STATS2 - unsigned long long time_writes; - unsigned long long time_reads; -@@ -509,7 +509,7 @@ static inline char CIFS_DIR_SEP(const st - } - - #ifdef CONFIG_CIFS_STATS --#define cifs_stats_inc atomic_inc -+#define cifs_stats_inc atomic_inc_unchecked - - static inline void cifs_stats_bytes_written(struct cifsTconInfo *tcon, - unsigned int bytes) -diff -urNp linux-2.6.39.3/fs/cifs/link.c linux-2.6.39.3/fs/cifs/link.c ---- linux-2.6.39.3/fs/cifs/link.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/cifs/link.c 2011-05-22 19:36:32.000000000 -0400 -@@ -577,7 +577,7 @@ symlink_exit: - - void cifs_put_link(struct dentry *direntry, struct nameidata *nd, void *cookie) - { -- char *p = nd_get_link(nd); -+ const char *p = nd_get_link(nd); - if (!IS_ERR(p)) - kfree(p); - } -diff -urNp linux-2.6.39.3/fs/coda/cache.c linux-2.6.39.3/fs/coda/cache.c ---- linux-2.6.39.3/fs/coda/cache.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/coda/cache.c 2011-05-22 19:36:32.000000000 -0400 -@@ -24,7 +24,7 @@ - #include "coda_linux.h" - #include "coda_cache.h" - --static atomic_t permission_epoch = ATOMIC_INIT(0); -+static atomic_unchecked_t permission_epoch = ATOMIC_INIT(0); - - /* replace or extend an acl cache hit */ - void coda_cache_enter(struct inode *inode, int mask) -@@ -32,7 +32,7 @@ void coda_cache_enter(struct inode *inod - struct coda_inode_info *cii = ITOC(inode); - - spin_lock(&cii->c_lock); -- cii->c_cached_epoch = atomic_read(&permission_epoch); -+ cii->c_cached_epoch = atomic_read_unchecked(&permission_epoch); - if (cii->c_uid != current_fsuid()) { - cii->c_uid = current_fsuid(); - cii->c_cached_perm = mask; -@@ -46,14 +46,14 @@ void coda_cache_clear_inode(struct inode - { - struct coda_inode_info *cii = ITOC(inode); - spin_lock(&cii->c_lock); -- cii->c_cached_epoch = atomic_read(&permission_epoch) - 1; -+ cii->c_cached_epoch = atomic_read_unchecked(&permission_epoch) - 1; - spin_unlock(&cii->c_lock); - } - - /* remove all acl caches */ - void coda_cache_clear_all(struct super_block *sb) - { -- atomic_inc(&permission_epoch); -+ atomic_inc_unchecked(&permission_epoch); - } - - -@@ -66,7 +66,7 @@ int coda_cache_check(struct inode *inode - spin_lock(&cii->c_lock); - hit = (mask & cii->c_cached_perm) == mask && - cii->c_uid == current_fsuid() && -- cii->c_cached_epoch == atomic_read(&permission_epoch); -+ cii->c_cached_epoch == atomic_read_unchecked(&permission_epoch); - spin_unlock(&cii->c_lock); - - return hit; -diff -urNp linux-2.6.39.3/fs/compat_binfmt_elf.c linux-2.6.39.3/fs/compat_binfmt_elf.c ---- linux-2.6.39.3/fs/compat_binfmt_elf.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/compat_binfmt_elf.c 2011-05-22 19:36:32.000000000 -0400 -@@ -30,11 +30,13 @@ - #undef elf_phdr - #undef elf_shdr - #undef elf_note -+#undef elf_dyn - #undef elf_addr_t - #define elfhdr elf32_hdr - #define elf_phdr elf32_phdr - #define elf_shdr elf32_shdr - #define elf_note elf32_note -+#define elf_dyn Elf32_Dyn - #define elf_addr_t Elf32_Addr - - /* -diff -urNp linux-2.6.39.3/fs/compat.c linux-2.6.39.3/fs/compat.c ---- linux-2.6.39.3/fs/compat.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/compat.c 2011-05-22 19:41:37.000000000 -0400 -@@ -566,7 +566,7 @@ ssize_t compat_rw_copy_check_uvector(int - goto out; - - ret = -EINVAL; -- if (nr_segs > UIO_MAXIOV || nr_segs < 0) -+ if (nr_segs > UIO_MAXIOV) - goto out; - if (nr_segs > fast_segs) { - ret = -ENOMEM; -@@ -848,6 +848,7 @@ struct compat_old_linux_dirent { - - struct compat_readdir_callback { - struct compat_old_linux_dirent __user *dirent; -+ struct file * file; - int result; - }; - -@@ -865,6 +866,10 @@ static int compat_fillonedir(void *__buf - buf->result = -EOVERFLOW; - return -EOVERFLOW; - } -+ -+ if (!gr_acl_handle_filldir(buf->file, name, namlen, ino)) -+ return 0; -+ - buf->result++; - dirent = buf->dirent; - if (!access_ok(VERIFY_WRITE, dirent, -@@ -897,6 +902,7 @@ asmlinkage long compat_sys_old_readdir(u - - buf.result = 0; - buf.dirent = dirent; -+ buf.file = file; - - error = vfs_readdir(file, compat_fillonedir, &buf); - if (buf.result) -@@ -917,6 +923,7 @@ struct compat_linux_dirent { - struct compat_getdents_callback { - struct compat_linux_dirent __user *current_dir; - struct compat_linux_dirent __user *previous; -+ struct file * file; - int count; - int error; - }; -@@ -938,6 +945,10 @@ static int compat_filldir(void *__buf, c - buf->error = -EOVERFLOW; - return -EOVERFLOW; - } -+ -+ if (!gr_acl_handle_filldir(buf->file, name, namlen, ino)) -+ return 0; -+ - dirent = buf->previous; - if (dirent) { - if (__put_user(offset, &dirent->d_off)) -@@ -985,6 +996,7 @@ asmlinkage long compat_sys_getdents(unsi - buf.previous = NULL; - buf.count = count; - buf.error = 0; -+ buf.file = file; - - error = vfs_readdir(file, compat_filldir, &buf); - if (error >= 0) -@@ -1006,6 +1018,7 @@ out: - struct compat_getdents_callback64 { - struct linux_dirent64 __user *current_dir; - struct linux_dirent64 __user *previous; -+ struct file * file; - int count; - int error; - }; -@@ -1022,6 +1035,10 @@ static int compat_filldir64(void * __buf - buf->error = -EINVAL; /* only used if we fail.. */ - if (reclen > buf->count) - return -EINVAL; -+ -+ if (!gr_acl_handle_filldir(buf->file, name, namlen, ino)) -+ return 0; -+ - dirent = buf->previous; - - if (dirent) { -@@ -1073,6 +1090,7 @@ asmlinkage long compat_sys_getdents64(un - buf.previous = NULL; - buf.count = count; - buf.error = 0; -+ buf.file = file; - - error = vfs_readdir(file, compat_filldir64, &buf); - if (error >= 0) -@@ -1436,6 +1454,11 @@ int compat_do_execve(char * filename, - compat_uptr_t __user *envp, - struct pt_regs * regs) - { -+#ifdef CONFIG_GRKERNSEC -+ struct file *old_exec_file; -+ struct acl_subject_label *old_acl; -+ struct rlimit old_rlim[RLIM_NLIMITS]; -+#endif - struct linux_binprm *bprm; - struct file *file; - struct files_struct *displaced; -@@ -1472,6 +1495,19 @@ int compat_do_execve(char * filename, - bprm->filename = filename; - bprm->interp = filename; - -+ if (gr_process_user_ban()) { -+ retval = -EPERM; -+ goto out_file; -+ } -+ -+ gr_learn_resource(current, RLIMIT_NPROC, atomic_read(¤t->cred->user->processes), 1); -+ retval = -EAGAIN; -+ if (gr_handle_nproc()) -+ goto out_file; -+ retval = -EACCES; -+ if (!gr_acl_handle_execve(file->f_dentry, file->f_vfsmnt)) -+ goto out_file; -+ - retval = bprm_mm_init(bprm); - if (retval) - goto out_file; -@@ -1501,9 +1537,40 @@ int compat_do_execve(char * filename, - if (retval < 0) - goto out; - -+ if (!gr_tpe_allow(file)) { -+ retval = -EACCES; -+ goto out; -+ } -+ -+ if (gr_check_crash_exec(file)) { -+ retval = -EACCES; -+ goto out; -+ } -+ -+ gr_log_chroot_exec(file->f_dentry, file->f_vfsmnt); -+ -+ gr_handle_exec_args_compat(bprm, argv); -+ -+#ifdef CONFIG_GRKERNSEC -+ old_acl = current->acl; -+ memcpy(old_rlim, current->signal->rlim, sizeof(old_rlim)); -+ old_exec_file = current->exec_file; -+ get_file(file); -+ current->exec_file = file; -+#endif -+ -+ retval = gr_set_proc_label(file->f_dentry, file->f_vfsmnt, -+ bprm->unsafe & LSM_UNSAFE_SHARE); -+ if (retval < 0) -+ goto out_fail; -+ - retval = search_binary_handler(bprm, regs); - if (retval < 0) -- goto out; -+ goto out_fail; -+#ifdef CONFIG_GRKERNSEC -+ if (old_exec_file) -+ fput(old_exec_file); -+#endif - - /* execve succeeded */ - current->fs->in_exec = 0; -@@ -1514,6 +1581,14 @@ int compat_do_execve(char * filename, - put_files_struct(displaced); - return retval; - -+out_fail: -+#ifdef CONFIG_GRKERNSEC -+ current->acl = old_acl; -+ memcpy(current->signal->rlim, old_rlim, sizeof(old_rlim)); -+ fput(current->exec_file); -+ current->exec_file = old_exec_file; -+#endif -+ - out: - if (bprm->mm) { - acct_arg_size(bprm, 0); -@@ -1681,6 +1756,8 @@ int compat_core_sys_select(int n, compat - struct fdtable *fdt; - long stack_fds[SELECT_STACK_ALLOC/sizeof(long)]; - -+ pax_track_stack(); -+ - if (n < 0) - goto out_nofds; - -diff -urNp linux-2.6.39.3/fs/compat_ioctl.c linux-2.6.39.3/fs/compat_ioctl.c ---- linux-2.6.39.3/fs/compat_ioctl.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/compat_ioctl.c 2011-05-22 19:36:32.000000000 -0400 -@@ -208,6 +208,8 @@ static int do_video_set_spu_palette(unsi - - err = get_user(palp, &up->palette); - err |= get_user(length, &up->length); -+ if (err) -+ return -EFAULT; - - up_native = compat_alloc_user_space(sizeof(struct video_spu_palette)); - err = put_user(compat_ptr(palp), &up_native->palette); -@@ -1638,8 +1640,8 @@ asmlinkage long compat_sys_ioctl(unsigne - static int __init init_sys32_ioctl_cmp(const void *p, const void *q) - { - unsigned int a, b; -- a = *(unsigned int *)p; -- b = *(unsigned int *)q; -+ a = *(const unsigned int *)p; -+ b = *(const unsigned int *)q; - if (a > b) - return 1; - if (a < b) -diff -urNp linux-2.6.39.3/fs/configfs/dir.c linux-2.6.39.3/fs/configfs/dir.c ---- linux-2.6.39.3/fs/configfs/dir.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/configfs/dir.c 2011-05-22 19:36:32.000000000 -0400 -@@ -1575,7 +1575,8 @@ static int configfs_readdir(struct file - } - for (p=q->next; p!= &parent_sd->s_children; p=p->next) { - struct configfs_dirent *next; -- const char * name; -+ const unsigned char * name; -+ char d_name[sizeof(next->s_dentry->d_iname)]; - int len; - struct inode *inode = NULL; - -@@ -1585,7 +1586,12 @@ static int configfs_readdir(struct file - continue; - - name = configfs_get_name(next); -- len = strlen(name); -+ if (next->s_dentry && name == next->s_dentry->d_iname) { -+ len = next->s_dentry->d_name.len; -+ memcpy(d_name, name, len); -+ name = d_name; -+ } else -+ len = strlen(name); - - /* - * We'll have a dentry and an inode for -diff -urNp linux-2.6.39.3/fs/configfs/file.c linux-2.6.39.3/fs/configfs/file.c ---- linux-2.6.39.3/fs/configfs/file.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/configfs/file.c 2011-05-22 19:36:32.000000000 -0400 -@@ -215,7 +215,7 @@ static int check_perm(struct inode * ino - struct config_item *item = configfs_get_config_item(file->f_path.dentry->d_parent); - struct configfs_attribute * attr = to_attr(file->f_path.dentry); - struct configfs_buffer * buffer; -- struct configfs_item_operations * ops = NULL; -+ struct configfs_item_operations *ops = NULL; - int error = 0; - - if (!item || !attr) -diff -urNp linux-2.6.39.3/fs/configfs/item.c linux-2.6.39.3/fs/configfs/item.c ---- linux-2.6.39.3/fs/configfs/item.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/configfs/item.c 2011-05-22 19:36:32.000000000 -0400 -@@ -123,7 +123,7 @@ void config_item_init_type_name(struct c - EXPORT_SYMBOL(config_item_init_type_name); - - void config_group_init_type_name(struct config_group *group, const char *name, -- struct config_item_type *type) -+ struct config_item_type *type) - { - config_item_set_name(&group->cg_item, name); - group->cg_item.ci_type = type; -diff -urNp linux-2.6.39.3/fs/dcache.c linux-2.6.39.3/fs/dcache.c ---- linux-2.6.39.3/fs/dcache.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/dcache.c 2011-05-22 19:36:32.000000000 -0400 -@@ -3069,7 +3069,7 @@ void __init vfs_caches_init(unsigned lon - mempages -= reserve; - - names_cachep = kmem_cache_create("names_cache", PATH_MAX, 0, -- SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL); -+ SLAB_HWCACHE_ALIGN|SLAB_PANIC|SLAB_USERCOPY, NULL); - - dcache_init(); - inode_init(); -diff -urNp linux-2.6.39.3/fs/dlm/lockspace.c linux-2.6.39.3/fs/dlm/lockspace.c ---- linux-2.6.39.3/fs/dlm/lockspace.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/dlm/lockspace.c 2011-05-22 19:36:32.000000000 -0400 -@@ -200,7 +200,7 @@ static int dlm_uevent(struct kset *kset, - return 0; - } - --static struct kset_uevent_ops dlm_uevent_ops = { -+static const struct kset_uevent_ops dlm_uevent_ops = { - .uevent = dlm_uevent, - }; - -diff -urNp linux-2.6.39.3/fs/ecryptfs/inode.c linux-2.6.39.3/fs/ecryptfs/inode.c ---- linux-2.6.39.3/fs/ecryptfs/inode.c 2011-06-03 00:04:14.000000000 -0400 -+++ linux-2.6.39.3/fs/ecryptfs/inode.c 2011-06-03 00:32:07.000000000 -0400 -@@ -623,7 +623,7 @@ static int ecryptfs_readlink_lower(struc - old_fs = get_fs(); - set_fs(get_ds()); - rc = lower_dentry->d_inode->i_op->readlink(lower_dentry, -- (char __user *)lower_buf, -+ (__force char __user *)lower_buf, - lower_bufsiz); - set_fs(old_fs); - if (rc < 0) -@@ -669,7 +669,7 @@ static void *ecryptfs_follow_link(struct - } - old_fs = get_fs(); - set_fs(get_ds()); -- rc = dentry->d_inode->i_op->readlink(dentry, (char __user *)buf, len); -+ rc = dentry->d_inode->i_op->readlink(dentry, (__force char __user *)buf, len); - set_fs(old_fs); - if (rc < 0) { - kfree(buf); -@@ -684,7 +684,7 @@ out: - static void - ecryptfs_put_link(struct dentry *dentry, struct nameidata *nd, void *ptr) - { -- char *buf = nd_get_link(nd); -+ const char *buf = nd_get_link(nd); - if (!IS_ERR(buf)) { - /* Free the char* */ - kfree(buf); -diff -urNp linux-2.6.39.3/fs/ecryptfs/miscdev.c linux-2.6.39.3/fs/ecryptfs/miscdev.c ---- linux-2.6.39.3/fs/ecryptfs/miscdev.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/ecryptfs/miscdev.c 2011-05-22 19:36:32.000000000 -0400 -@@ -328,7 +328,7 @@ check_list: - goto out_unlock_msg_ctx; - i = 5; - if (msg_ctx->msg) { -- if (copy_to_user(&buf[i], packet_length, packet_length_size)) -+ if (packet_length_size > sizeof(packet_length) || copy_to_user(&buf[i], packet_length, packet_length_size)) - goto out_unlock_msg_ctx; - i += packet_length_size; - if (copy_to_user(&buf[i], msg_ctx->msg, msg_ctx->msg_size)) -diff -urNp linux-2.6.39.3/fs/exec.c linux-2.6.39.3/fs/exec.c ---- linux-2.6.39.3/fs/exec.c 2011-06-25 12:55:23.000000000 -0400 -+++ linux-2.6.39.3/fs/exec.c 2011-07-06 20:00:13.000000000 -0400 -@@ -55,12 +55,24 @@ - #include <linux/fs_struct.h> - #include <linux/pipe_fs_i.h> - #include <linux/oom.h> -+#include <linux/random.h> -+#include <linux/seq_file.h> -+ -+#ifdef CONFIG_PAX_REFCOUNT -+#include <linux/kallsyms.h> -+#include <linux/kdebug.h> -+#endif - - #include <asm/uaccess.h> - #include <asm/mmu_context.h> - #include <asm/tlb.h> - #include "internal.h" - -+#ifdef CONFIG_PAX_HOOK_ACL_FLAGS -+void (*pax_set_initial_flags_func)(struct linux_binprm *bprm); -+EXPORT_SYMBOL(pax_set_initial_flags_func); -+#endif -+ - int core_uses_pid; - char core_pattern[CORENAME_MAX_SIZE] = "core"; - unsigned int core_pipe_limit; -@@ -70,7 +82,7 @@ struct core_name { - char *corename; - int used, size; - }; --static atomic_t call_count = ATOMIC_INIT(1); -+static atomic_unchecked_t call_count = ATOMIC_INIT(1); - - /* The maximal length of core_pattern is also specified in sysctl.c */ - -@@ -116,7 +128,7 @@ SYSCALL_DEFINE1(uselib, const char __use - char *tmp = getname(library); - int error = PTR_ERR(tmp); - static const struct open_flags uselib_flags = { -- .open_flag = O_LARGEFILE | O_RDONLY | __FMODE_EXEC, -+ .open_flag = O_LARGEFILE | O_RDONLY | __FMODE_EXEC | FMODE_GREXEC, - .acc_mode = MAY_READ | MAY_EXEC | MAY_OPEN, - .intent = LOOKUP_OPEN - }; -@@ -190,18 +202,10 @@ struct page *get_arg_page(struct linux_b - int write) - { - struct page *page; -- int ret; - --#ifdef CONFIG_STACK_GROWSUP -- if (write) { -- ret = expand_stack_downwards(bprm->vma, pos); -- if (ret < 0) -- return NULL; -- } --#endif -- ret = get_user_pages(current, bprm->mm, pos, -- 1, write, 1, &page, NULL); -- if (ret <= 0) -+ if (0 > expand_stack_downwards(bprm->vma, pos)) -+ return NULL; -+ if (0 >= get_user_pages(current, bprm->mm, pos, 1, write, 1, &page, NULL)) - return NULL; - - if (write) { -@@ -276,6 +280,11 @@ static int __bprm_mm_init(struct linux_b - vma->vm_end = STACK_TOP_MAX; - vma->vm_start = vma->vm_end - PAGE_SIZE; - vma->vm_flags = VM_STACK_FLAGS | VM_STACK_INCOMPLETE_SETUP; -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ vma->vm_flags &= ~(VM_EXEC | VM_MAYEXEC); -+#endif -+ - vma->vm_page_prot = vm_get_page_prot(vma->vm_flags); - INIT_LIST_HEAD(&vma->anon_vma_chain); - -@@ -290,6 +299,12 @@ static int __bprm_mm_init(struct linux_b - mm->stack_vm = mm->total_vm = 1; - up_write(&mm->mmap_sem); - bprm->p = vma->vm_end - sizeof(void *); -+ -+#ifdef CONFIG_PAX_RANDUSTACK -+ if (randomize_va_space) -+ bprm->p ^= (pax_get_random_long() & ~15) & ~PAGE_MASK; -+#endif -+ - return 0; - err: - up_write(&mm->mmap_sem); -@@ -525,7 +540,7 @@ int copy_strings_kernel(int argc, const - int r; - mm_segment_t oldfs = get_fs(); - set_fs(KERNEL_DS); -- r = copy_strings(argc, (const char __user *const __user *)argv, bprm); -+ r = copy_strings(argc, (__force const char __user *const __user *)argv, bprm); - set_fs(oldfs); - return r; - } -@@ -555,7 +570,8 @@ static int shift_arg_pages(struct vm_are - unsigned long new_end = old_end - shift; - struct mmu_gather *tlb; - -- BUG_ON(new_start > new_end); -+ if (new_start >= new_end || new_start < mmap_min_addr) -+ return -ENOMEM; - - /* - * ensure there are no vmas between where we want to go -@@ -564,6 +580,10 @@ static int shift_arg_pages(struct vm_are - if (vma != find_vma(mm, new_start)) - return -EFAULT; - -+#ifdef CONFIG_PAX_SEGMEXEC -+ BUG_ON(pax_find_mirror_vma(vma)); -+#endif -+ - /* - * cover the whole range: [new_start, old_end) - */ -@@ -644,10 +664,6 @@ int setup_arg_pages(struct linux_binprm - stack_top = arch_align_stack(stack_top); - stack_top = PAGE_ALIGN(stack_top); - -- if (unlikely(stack_top < mmap_min_addr) || -- unlikely(vma->vm_end - vma->vm_start >= stack_top - mmap_min_addr)) -- return -ENOMEM; -- - stack_shift = vma->vm_end - stack_top; - - bprm->p -= stack_shift; -@@ -659,8 +675,28 @@ int setup_arg_pages(struct linux_binprm - bprm->exec -= stack_shift; - - down_write(&mm->mmap_sem); -+ -+ /* Move stack pages down in memory. */ -+ if (stack_shift) { -+ ret = shift_arg_pages(vma, stack_shift); -+ if (ret) -+ goto out_unlock; -+ } -+ - vm_flags = VM_STACK_FLAGS; - -+#if defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC) -+ if (mm->pax_flags & (MF_PAX_PAGEEXEC | MF_PAX_SEGMEXEC)) { -+ vm_flags &= ~VM_EXEC; -+ -+#ifdef CONFIG_PAX_MPROTECT -+ if (mm->pax_flags & MF_PAX_MPROTECT) -+ vm_flags &= ~VM_MAYEXEC; -+#endif -+ -+ } -+#endif -+ - /* - * Adjust stack execute permissions; explicitly enable for - * EXSTACK_ENABLE_X, disable for EXSTACK_DISABLE_X and leave alone -@@ -679,13 +715,6 @@ int setup_arg_pages(struct linux_binprm - goto out_unlock; - BUG_ON(prev != vma); - -- /* Move stack pages down in memory. */ -- if (stack_shift) { -- ret = shift_arg_pages(vma, stack_shift); -- if (ret) -- goto out_unlock; -- } -- - /* mprotect_fixup is overkill to remove the temporary stack flags */ - vma->vm_flags &= ~VM_STACK_INCOMPLETE_SETUP; - -@@ -725,7 +754,7 @@ struct file *open_exec(const char *name) - struct file *file; - int err; - static const struct open_flags open_exec_flags = { -- .open_flag = O_LARGEFILE | O_RDONLY | __FMODE_EXEC, -+ .open_flag = O_LARGEFILE | O_RDONLY | __FMODE_EXEC | FMODE_GREXEC, - .acc_mode = MAY_EXEC | MAY_OPEN, - .intent = LOOKUP_OPEN - }; -@@ -766,7 +795,7 @@ int kernel_read(struct file *file, loff_ - old_fs = get_fs(); - set_fs(get_ds()); - /* The cast to a user pointer is valid due to the set_fs() */ -- result = vfs_read(file, (void __user *)addr, count, &pos); -+ result = vfs_read(file, (__force void __user *)addr, count, &pos); - set_fs(old_fs); - return result; - } -@@ -1189,7 +1218,7 @@ int check_unsafe_exec(struct linux_binpr - } - rcu_read_unlock(); - -- if (p->fs->users > n_fs) { -+ if (atomic_read(&p->fs->users) > n_fs) { - bprm->unsafe |= LSM_UNSAFE_SHARE; - } else { - res = -EAGAIN; -@@ -1381,6 +1410,11 @@ int do_execve(const char * filename, - const char __user *const __user *envp, - struct pt_regs * regs) - { -+#ifdef CONFIG_GRKERNSEC -+ struct file *old_exec_file; -+ struct acl_subject_label *old_acl; -+ struct rlimit old_rlim[RLIM_NLIMITS]; -+#endif - struct linux_binprm *bprm; - struct file *file; - struct files_struct *displaced; -@@ -1417,6 +1451,23 @@ int do_execve(const char * filename, - bprm->filename = filename; - bprm->interp = filename; - -+ if (gr_process_user_ban()) { -+ retval = -EPERM; -+ goto out_file; -+ } -+ -+ gr_learn_resource(current, RLIMIT_NPROC, atomic_read(¤t->cred->user->processes), 1); -+ -+ if (gr_handle_nproc()) { -+ retval = -EAGAIN; -+ goto out_file; -+ } -+ -+ if (!gr_acl_handle_execve(file->f_dentry, file->f_vfsmnt)) { -+ retval = -EACCES; -+ goto out_file; -+ } -+ - retval = bprm_mm_init(bprm); - if (retval) - goto out_file; -@@ -1446,9 +1497,40 @@ int do_execve(const char * filename, - if (retval < 0) - goto out; - -+ if (!gr_tpe_allow(file)) { -+ retval = -EACCES; -+ goto out; -+ } -+ -+ if (gr_check_crash_exec(file)) { -+ retval = -EACCES; -+ goto out; -+ } -+ -+ gr_log_chroot_exec(file->f_dentry, file->f_vfsmnt); -+ -+ gr_handle_exec_args(bprm, argv); -+ -+#ifdef CONFIG_GRKERNSEC -+ old_acl = current->acl; -+ memcpy(old_rlim, current->signal->rlim, sizeof(old_rlim)); -+ old_exec_file = current->exec_file; -+ get_file(file); -+ current->exec_file = file; -+#endif -+ -+ retval = gr_set_proc_label(file->f_dentry, file->f_vfsmnt, -+ bprm->unsafe & LSM_UNSAFE_SHARE); -+ if (retval < 0) -+ goto out_fail; -+ - retval = search_binary_handler(bprm,regs); - if (retval < 0) -- goto out; -+ goto out_fail; -+#ifdef CONFIG_GRKERNSEC -+ if (old_exec_file) -+ fput(old_exec_file); -+#endif - - /* execve succeeded */ - current->fs->in_exec = 0; -@@ -1459,6 +1541,14 @@ int do_execve(const char * filename, - put_files_struct(displaced); - return retval; - -+out_fail: -+#ifdef CONFIG_GRKERNSEC -+ current->acl = old_acl; -+ memcpy(current->signal->rlim, old_rlim, sizeof(old_rlim)); -+ fput(current->exec_file); -+ current->exec_file = old_exec_file; -+#endif -+ - out: - if (bprm->mm) { - acct_arg_size(bprm, 0); -@@ -1504,7 +1594,7 @@ static int expand_corename(struct core_n - { - char *old_corename = cn->corename; - -- cn->size = CORENAME_MAX_SIZE * atomic_inc_return(&call_count); -+ cn->size = CORENAME_MAX_SIZE * atomic_inc_return_unchecked(&call_count); - cn->corename = krealloc(old_corename, cn->size, GFP_KERNEL); - - if (!cn->corename) { -@@ -1557,7 +1647,7 @@ static int format_corename(struct core_n - int pid_in_pattern = 0; - int err = 0; - -- cn->size = CORENAME_MAX_SIZE * atomic_read(&call_count); -+ cn->size = CORENAME_MAX_SIZE * atomic_read_unchecked(&call_count); - cn->corename = kmalloc(cn->size, GFP_KERNEL); - cn->used = 0; - -@@ -1645,6 +1735,219 @@ out: - return ispipe; - } - -+int pax_check_flags(unsigned long *flags) -+{ -+ int retval = 0; -+ -+#if !defined(CONFIG_X86_32) || !defined(CONFIG_PAX_SEGMEXEC) -+ if (*flags & MF_PAX_SEGMEXEC) -+ { -+ *flags &= ~MF_PAX_SEGMEXEC; -+ retval = -EINVAL; -+ } -+#endif -+ -+ if ((*flags & MF_PAX_PAGEEXEC) -+ -+#ifdef CONFIG_PAX_PAGEEXEC -+ && (*flags & MF_PAX_SEGMEXEC) -+#endif -+ -+ ) -+ { -+ *flags &= ~MF_PAX_PAGEEXEC; -+ retval = -EINVAL; -+ } -+ -+ if ((*flags & MF_PAX_MPROTECT) -+ -+#ifdef CONFIG_PAX_MPROTECT -+ && !(*flags & (MF_PAX_PAGEEXEC | MF_PAX_SEGMEXEC)) -+#endif -+ -+ ) -+ { -+ *flags &= ~MF_PAX_MPROTECT; -+ retval = -EINVAL; -+ } -+ -+ if ((*flags & MF_PAX_EMUTRAMP) -+ -+#ifdef CONFIG_PAX_EMUTRAMP -+ && !(*flags & (MF_PAX_PAGEEXEC | MF_PAX_SEGMEXEC)) -+#endif -+ -+ ) -+ { -+ *flags &= ~MF_PAX_EMUTRAMP; -+ retval = -EINVAL; -+ } -+ -+ return retval; -+} -+ -+EXPORT_SYMBOL(pax_check_flags); -+ -+#if defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC) -+void pax_report_fault(struct pt_regs *regs, void *pc, void *sp) -+{ -+ struct task_struct *tsk = current; -+ struct mm_struct *mm = current->mm; -+ char *buffer_exec = (char *)__get_free_page(GFP_KERNEL); -+ char *buffer_fault = (char *)__get_free_page(GFP_KERNEL); -+ char *path_exec = NULL; -+ char *path_fault = NULL; -+ unsigned long start = 0UL, end = 0UL, offset = 0UL; -+ -+ if (buffer_exec && buffer_fault) { -+ struct vm_area_struct *vma, *vma_exec = NULL, *vma_fault = NULL; -+ -+ down_read(&mm->mmap_sem); -+ vma = mm->mmap; -+ while (vma && (!vma_exec || !vma_fault)) { -+ if ((vma->vm_flags & VM_EXECUTABLE) && vma->vm_file) -+ vma_exec = vma; -+ if (vma->vm_start <= (unsigned long)pc && (unsigned long)pc < vma->vm_end) -+ vma_fault = vma; -+ vma = vma->vm_next; -+ } -+ if (vma_exec) { -+ path_exec = d_path(&vma_exec->vm_file->f_path, buffer_exec, PAGE_SIZE); -+ if (IS_ERR(path_exec)) -+ path_exec = "<path too long>"; -+ else { -+ path_exec = mangle_path(buffer_exec, path_exec, "\t\n\\"); -+ if (path_exec) { -+ *path_exec = 0; -+ path_exec = buffer_exec; -+ } else -+ path_exec = "<path too long>"; -+ } -+ } -+ if (vma_fault) { -+ start = vma_fault->vm_start; -+ end = vma_fault->vm_end; -+ offset = vma_fault->vm_pgoff << PAGE_SHIFT; -+ if (vma_fault->vm_file) { -+ path_fault = d_path(&vma_fault->vm_file->f_path, buffer_fault, PAGE_SIZE); -+ if (IS_ERR(path_fault)) -+ path_fault = "<path too long>"; -+ else { -+ path_fault = mangle_path(buffer_fault, path_fault, "\t\n\\"); -+ if (path_fault) { -+ *path_fault = 0; -+ path_fault = buffer_fault; -+ } else -+ path_fault = "<path too long>"; -+ } -+ } else -+ path_fault = "<anonymous mapping>"; -+ } -+ up_read(&mm->mmap_sem); -+ } -+ if (tsk->signal->curr_ip) -+ printk(KERN_ERR "PAX: From %pI4: execution attempt in: %s, %08lx-%08lx %08lx\n", &tsk->signal->curr_ip, path_fault, start, end, offset); -+ else -+ printk(KERN_ERR "PAX: execution attempt in: %s, %08lx-%08lx %08lx\n", path_fault, start, end, offset); -+ printk(KERN_ERR "PAX: terminating task: %s(%s):%d, uid/euid: %u/%u, " -+ "PC: %p, SP: %p\n", path_exec, tsk->comm, task_pid_nr(tsk), -+ task_uid(tsk), task_euid(tsk), pc, sp); -+ free_page((unsigned long)buffer_exec); -+ free_page((unsigned long)buffer_fault); -+ pax_report_insns(pc, sp); -+ do_coredump(SIGKILL, SIGKILL, regs); -+} -+#endif -+ -+#ifdef CONFIG_PAX_REFCOUNT -+void pax_report_refcount_overflow(struct pt_regs *regs) -+{ -+ if (current->signal->curr_ip) -+ printk(KERN_ERR "PAX: From %pI4: refcount overflow detected in: %s:%d, uid/euid: %u/%u\n", -+ ¤t->signal->curr_ip, current->comm, task_pid_nr(current), current_uid(), current_euid()); -+ else -+ printk(KERN_ERR "PAX: refcount overflow detected in: %s:%d, uid/euid: %u/%u\n", -+ current->comm, task_pid_nr(current), current_uid(), current_euid()); -+ print_symbol(KERN_ERR "PAX: refcount overflow occured at: %s\n", instruction_pointer(regs)); -+ show_regs(regs); -+ force_sig_info(SIGKILL, SEND_SIG_FORCED, current); -+} -+#endif -+ -+#ifdef CONFIG_PAX_USERCOPY -+/* 0: not at all, 1: fully, 2: fully inside frame, -1: partially (implies an error) */ -+int object_is_on_stack(const void *obj, unsigned long len) -+{ -+ const void * const stack = task_stack_page(current); -+ const void * const stackend = stack + THREAD_SIZE; -+ -+#if defined(CONFIG_FRAME_POINTER) && defined(CONFIG_X86) -+ const void *frame = NULL; -+ const void *oldframe; -+#endif -+ -+ if (obj + len < obj) -+ return -1; -+ -+ if (obj + len <= stack || stackend <= obj) -+ return 0; -+ -+ if (obj < stack || stackend < obj + len) -+ return -1; -+ -+#if defined(CONFIG_FRAME_POINTER) && defined(CONFIG_X86) -+ oldframe = __builtin_frame_address(1); -+ if (oldframe) -+ frame = __builtin_frame_address(2); -+ /* -+ low ----------------------------------------------> high -+ [saved bp][saved ip][args][local vars][saved bp][saved ip] -+ ^----------------^ -+ allow copies only within here -+ */ -+ while (stack <= frame && frame < stackend) { -+ /* if obj + len extends past the last frame, this -+ check won't pass and the next frame will be 0, -+ causing us to bail out and correctly report -+ the copy as invalid -+ */ -+ if (obj + len <= frame) -+ return obj >= oldframe + 2 * sizeof(void *) ? 2 : -1; -+ oldframe = frame; -+ frame = *(const void * const *)frame; -+ } -+ return -1; -+#else -+ return 1; -+#endif -+} -+ -+ -+NORET_TYPE void pax_report_usercopy(const void *ptr, unsigned long len, bool to, const char *type) -+{ -+ if (current->signal->curr_ip) -+ printk(KERN_ERR "PAX: From %pI4: kernel memory %s attempt detected %s %p (%s) (%lu bytes)\n", -+ ¤t->signal->curr_ip, to ? "leak" : "overwrite", to ? "from" : "to", ptr, type ? : "unknown", len); -+ else -+ printk(KERN_ERR "PAX: kernel memory %s attempt detected %s %p (%s) (%lu bytes)\n", -+ to ? "leak" : "overwrite", to ? "from" : "to", ptr, type ? : "unknown", len); -+ dump_stack(); -+ gr_handle_kernel_exploit(); -+ do_group_exit(SIGKILL); -+} -+#endif -+ -+#ifdef CONFIG_PAX_MEMORY_STACKLEAK -+void pax_track_stack(void) -+{ -+ unsigned long sp = (unsigned long)&sp; -+ if (sp < current_thread_info()->lowest_stack && -+ sp > (unsigned long)task_stack_page(current)) -+ current_thread_info()->lowest_stack = sp; -+} -+EXPORT_SYMBOL(pax_track_stack); -+#endif -+ - static int zap_process(struct task_struct *start, int exit_code) - { - struct task_struct *t; -@@ -1855,17 +2158,17 @@ static void wait_for_dump_helpers(struct - pipe = file->f_path.dentry->d_inode->i_pipe; - - pipe_lock(pipe); -- pipe->readers++; -- pipe->writers--; -+ atomic_inc(&pipe->readers); -+ atomic_dec(&pipe->writers); - -- while ((pipe->readers > 1) && (!signal_pending(current))) { -+ while ((atomic_read(&pipe->readers) > 1) && (!signal_pending(current))) { - wake_up_interruptible_sync(&pipe->wait); - kill_fasync(&pipe->fasync_readers, SIGIO, POLL_IN); - pipe_wait(pipe); - } - -- pipe->readers--; -- pipe->writers++; -+ atomic_dec(&pipe->readers); -+ atomic_inc(&pipe->writers); - pipe_unlock(pipe); - - } -@@ -1926,7 +2229,7 @@ void do_coredump(long signr, int exit_co - int retval = 0; - int flag = 0; - int ispipe; -- static atomic_t core_dump_count = ATOMIC_INIT(0); -+ static atomic_unchecked_t core_dump_count = ATOMIC_INIT(0); - struct coredump_params cprm = { - .signr = signr, - .regs = regs, -@@ -1941,6 +2244,9 @@ void do_coredump(long signr, int exit_co - - audit_core_dumps(signr); - -+ if (signr == SIGSEGV || signr == SIGBUS || signr == SIGKILL || signr == SIGILL) -+ gr_handle_brute_attach(current, cprm.mm_flags); -+ - binfmt = mm->binfmt; - if (!binfmt || !binfmt->core_dump) - goto fail; -@@ -1981,6 +2287,8 @@ void do_coredump(long signr, int exit_co - goto fail_corename; - } - -+ gr_learn_resource(current, RLIMIT_CORE, binfmt->min_coredump, 1); -+ - if (ispipe) { - int dump_count; - char **helper_argv; -@@ -2008,7 +2316,7 @@ void do_coredump(long signr, int exit_co - } - cprm.limit = RLIM_INFINITY; - -- dump_count = atomic_inc_return(&core_dump_count); -+ dump_count = atomic_inc_return_unchecked(&core_dump_count); - if (core_pipe_limit && (core_pipe_limit < dump_count)) { - printk(KERN_WARNING "Pid %d(%s) over core_pipe_limit\n", - task_tgid_vnr(current), current->comm); -@@ -2078,7 +2386,7 @@ close_fail: - filp_close(cprm.file, NULL); - fail_dropcount: - if (ispipe) -- atomic_dec(&core_dump_count); -+ atomic_dec_unchecked(&core_dump_count); - fail_unlock: - kfree(cn.corename); - fail_corename: -diff -urNp linux-2.6.39.3/fs/ext2/balloc.c linux-2.6.39.3/fs/ext2/balloc.c ---- linux-2.6.39.3/fs/ext2/balloc.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/ext2/balloc.c 2011-05-22 19:41:37.000000000 -0400 -@@ -1192,7 +1192,7 @@ static int ext2_has_free_blocks(struct e - - free_blocks = percpu_counter_read_positive(&sbi->s_freeblocks_counter); - root_blocks = le32_to_cpu(sbi->s_es->s_r_blocks_count); -- if (free_blocks < root_blocks + 1 && !capable(CAP_SYS_RESOURCE) && -+ if (free_blocks < root_blocks + 1 && !capable_nolog(CAP_SYS_RESOURCE) && - sbi->s_resuid != current_fsuid() && - (sbi->s_resgid == 0 || !in_group_p (sbi->s_resgid))) { - return 0; -diff -urNp linux-2.6.39.3/fs/ext3/balloc.c linux-2.6.39.3/fs/ext3/balloc.c ---- linux-2.6.39.3/fs/ext3/balloc.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/ext3/balloc.c 2011-05-22 19:41:37.000000000 -0400 -@@ -1441,7 +1441,7 @@ static int ext3_has_free_blocks(struct e - - free_blocks = percpu_counter_read_positive(&sbi->s_freeblocks_counter); - root_blocks = le32_to_cpu(sbi->s_es->s_r_blocks_count); -- if (free_blocks < root_blocks + 1 && !capable(CAP_SYS_RESOURCE) && -+ if (free_blocks < root_blocks + 1 && !capable_nolog(CAP_SYS_RESOURCE) && - sbi->s_resuid != current_fsuid() && - (sbi->s_resgid == 0 || !in_group_p (sbi->s_resgid))) { - return 0; -diff -urNp linux-2.6.39.3/fs/ext4/balloc.c linux-2.6.39.3/fs/ext4/balloc.c ---- linux-2.6.39.3/fs/ext4/balloc.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/ext4/balloc.c 2011-05-22 19:41:37.000000000 -0400 -@@ -522,7 +522,7 @@ static int ext4_has_free_blocks(struct e - /* Hm, nope. Are (enough) root reserved blocks available? */ - if (sbi->s_resuid == current_fsuid() || - ((sbi->s_resgid != 0) && in_group_p(sbi->s_resgid)) || -- capable(CAP_SYS_RESOURCE)) { -+ capable_nolog(CAP_SYS_RESOURCE)) { - if (free_blocks >= (nblocks + dirty_blocks)) - return 1; - } -diff -urNp linux-2.6.39.3/fs/ext4/ext4.h linux-2.6.39.3/fs/ext4/ext4.h ---- linux-2.6.39.3/fs/ext4/ext4.h 2011-06-03 00:04:14.000000000 -0400 -+++ linux-2.6.39.3/fs/ext4/ext4.h 2011-06-03 00:32:07.000000000 -0400 -@@ -1166,19 +1166,19 @@ struct ext4_sb_info { - unsigned long s_mb_last_start; - - /* stats for buddy allocator */ -- atomic_t s_bal_reqs; /* number of reqs with len > 1 */ -- atomic_t s_bal_success; /* we found long enough chunks */ -- atomic_t s_bal_allocated; /* in blocks */ -- atomic_t s_bal_ex_scanned; /* total extents scanned */ -- atomic_t s_bal_goals; /* goal hits */ -- atomic_t s_bal_breaks; /* too long searches */ -- atomic_t s_bal_2orders; /* 2^order hits */ -+ atomic_unchecked_t s_bal_reqs; /* number of reqs with len > 1 */ -+ atomic_unchecked_t s_bal_success; /* we found long enough chunks */ -+ atomic_unchecked_t s_bal_allocated; /* in blocks */ -+ atomic_unchecked_t s_bal_ex_scanned; /* total extents scanned */ -+ atomic_unchecked_t s_bal_goals; /* goal hits */ -+ atomic_unchecked_t s_bal_breaks; /* too long searches */ -+ atomic_unchecked_t s_bal_2orders; /* 2^order hits */ - spinlock_t s_bal_lock; - unsigned long s_mb_buddies_generated; - unsigned long long s_mb_generation_time; -- atomic_t s_mb_lost_chunks; -- atomic_t s_mb_preallocated; -- atomic_t s_mb_discarded; -+ atomic_unchecked_t s_mb_lost_chunks; -+ atomic_unchecked_t s_mb_preallocated; -+ atomic_unchecked_t s_mb_discarded; - atomic_t s_lock_busy; - - /* locality groups */ -diff -urNp linux-2.6.39.3/fs/ext4/mballoc.c linux-2.6.39.3/fs/ext4/mballoc.c ---- linux-2.6.39.3/fs/ext4/mballoc.c 2011-06-03 00:04:14.000000000 -0400 -+++ linux-2.6.39.3/fs/ext4/mballoc.c 2011-06-03 00:32:07.000000000 -0400 -@@ -1853,7 +1853,7 @@ void ext4_mb_simple_scan_group(struct ex - BUG_ON(ac->ac_b_ex.fe_len != ac->ac_g_ex.fe_len); - - if (EXT4_SB(sb)->s_mb_stats) -- atomic_inc(&EXT4_SB(sb)->s_bal_2orders); -+ atomic_inc_unchecked(&EXT4_SB(sb)->s_bal_2orders); - - break; - } -@@ -2147,7 +2147,7 @@ repeat: - ac->ac_status = AC_STATUS_CONTINUE; - ac->ac_flags |= EXT4_MB_HINT_FIRST; - cr = 3; -- atomic_inc(&sbi->s_mb_lost_chunks); -+ atomic_inc_unchecked(&sbi->s_mb_lost_chunks); - goto repeat; - } - } -@@ -2190,6 +2190,8 @@ static int ext4_mb_seq_groups_show(struc - ext4_grpblk_t counters[16]; - } sg; - -+ pax_track_stack(); -+ - group--; - if (group == 0) - seq_printf(seq, "#%-5s: %-5s %-5s %-5s " -@@ -2613,25 +2615,25 @@ int ext4_mb_release(struct super_block * - if (sbi->s_mb_stats) { - printk(KERN_INFO - "EXT4-fs: mballoc: %u blocks %u reqs (%u success)\n", -- atomic_read(&sbi->s_bal_allocated), -- atomic_read(&sbi->s_bal_reqs), -- atomic_read(&sbi->s_bal_success)); -+ atomic_read_unchecked(&sbi->s_bal_allocated), -+ atomic_read_unchecked(&sbi->s_bal_reqs), -+ atomic_read_unchecked(&sbi->s_bal_success)); - printk(KERN_INFO - "EXT4-fs: mballoc: %u extents scanned, %u goal hits, " - "%u 2^N hits, %u breaks, %u lost\n", -- atomic_read(&sbi->s_bal_ex_scanned), -- atomic_read(&sbi->s_bal_goals), -- atomic_read(&sbi->s_bal_2orders), -- atomic_read(&sbi->s_bal_breaks), -- atomic_read(&sbi->s_mb_lost_chunks)); -+ atomic_read_unchecked(&sbi->s_bal_ex_scanned), -+ atomic_read_unchecked(&sbi->s_bal_goals), -+ atomic_read_unchecked(&sbi->s_bal_2orders), -+ atomic_read_unchecked(&sbi->s_bal_breaks), -+ atomic_read_unchecked(&sbi->s_mb_lost_chunks)); - printk(KERN_INFO - "EXT4-fs: mballoc: %lu generated and it took %Lu\n", - sbi->s_mb_buddies_generated++, - sbi->s_mb_generation_time); - printk(KERN_INFO - "EXT4-fs: mballoc: %u preallocated, %u discarded\n", -- atomic_read(&sbi->s_mb_preallocated), -- atomic_read(&sbi->s_mb_discarded)); -+ atomic_read_unchecked(&sbi->s_mb_preallocated), -+ atomic_read_unchecked(&sbi->s_mb_discarded)); - } - - free_percpu(sbi->s_locality_groups); -@@ -3107,16 +3109,16 @@ static void ext4_mb_collect_stats(struct - struct ext4_sb_info *sbi = EXT4_SB(ac->ac_sb); - - if (sbi->s_mb_stats && ac->ac_g_ex.fe_len > 1) { -- atomic_inc(&sbi->s_bal_reqs); -- atomic_add(ac->ac_b_ex.fe_len, &sbi->s_bal_allocated); -+ atomic_inc_unchecked(&sbi->s_bal_reqs); -+ atomic_add_unchecked(ac->ac_b_ex.fe_len, &sbi->s_bal_allocated); - if (ac->ac_b_ex.fe_len >= ac->ac_o_ex.fe_len) -- atomic_inc(&sbi->s_bal_success); -- atomic_add(ac->ac_found, &sbi->s_bal_ex_scanned); -+ atomic_inc_unchecked(&sbi->s_bal_success); -+ atomic_add_unchecked(ac->ac_found, &sbi->s_bal_ex_scanned); - if (ac->ac_g_ex.fe_start == ac->ac_b_ex.fe_start && - ac->ac_g_ex.fe_group == ac->ac_b_ex.fe_group) -- atomic_inc(&sbi->s_bal_goals); -+ atomic_inc_unchecked(&sbi->s_bal_goals); - if (ac->ac_found > sbi->s_mb_max_to_scan) -- atomic_inc(&sbi->s_bal_breaks); -+ atomic_inc_unchecked(&sbi->s_bal_breaks); - } - - if (ac->ac_op == EXT4_MB_HISTORY_ALLOC) -@@ -3514,7 +3516,7 @@ ext4_mb_new_inode_pa(struct ext4_allocat - trace_ext4_mb_new_inode_pa(ac, pa); - - ext4_mb_use_inode_pa(ac, pa); -- atomic_add(pa->pa_free, &EXT4_SB(sb)->s_mb_preallocated); -+ atomic_add_unchecked(pa->pa_free, &EXT4_SB(sb)->s_mb_preallocated); - - ei = EXT4_I(ac->ac_inode); - grp = ext4_get_group_info(sb, ac->ac_b_ex.fe_group); -@@ -3574,7 +3576,7 @@ ext4_mb_new_group_pa(struct ext4_allocat - trace_ext4_mb_new_group_pa(ac, pa); - - ext4_mb_use_group_pa(ac, pa); -- atomic_add(pa->pa_free, &EXT4_SB(sb)->s_mb_preallocated); -+ atomic_add_unchecked(pa->pa_free, &EXT4_SB(sb)->s_mb_preallocated); - - grp = ext4_get_group_info(sb, ac->ac_b_ex.fe_group); - lg = ac->ac_lg; -@@ -3661,7 +3663,7 @@ ext4_mb_release_inode_pa(struct ext4_bud - * from the bitmap and continue. - */ - } -- atomic_add(free, &sbi->s_mb_discarded); -+ atomic_add_unchecked(free, &sbi->s_mb_discarded); - - return err; - } -@@ -3679,7 +3681,7 @@ ext4_mb_release_group_pa(struct ext4_bud - ext4_get_group_no_and_offset(sb, pa->pa_pstart, &group, &bit); - BUG_ON(group != e4b->bd_group && pa->pa_len != 0); - mb_free_blocks(pa->pa_inode, e4b, bit, pa->pa_len); -- atomic_add(pa->pa_len, &EXT4_SB(sb)->s_mb_discarded); -+ atomic_add_unchecked(pa->pa_len, &EXT4_SB(sb)->s_mb_discarded); - trace_ext4_mballoc_discard(sb, NULL, group, bit, pa->pa_len); - - return 0; -diff -urNp linux-2.6.39.3/fs/fcntl.c linux-2.6.39.3/fs/fcntl.c ---- linux-2.6.39.3/fs/fcntl.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/fcntl.c 2011-05-22 20:45:50.000000000 -0400 -@@ -224,6 +224,11 @@ int __f_setown(struct file *filp, struct - if (err) - return err; - -+ if (gr_handle_chroot_fowner(pid, type)) -+ return -ENOENT; -+ if (gr_check_protected_task_fowner(pid, type)) -+ return -EACCES; -+ - f_modown(filp, pid, type, force); - return 0; - } -@@ -348,6 +353,7 @@ static long do_fcntl(int fd, unsigned in - switch (cmd) { - case F_DUPFD: - case F_DUPFD_CLOEXEC: -+ gr_learn_resource(current, RLIMIT_NOFILE, arg, 0); - if (arg >= rlimit(RLIMIT_NOFILE)) - break; - err = alloc_fd(arg, cmd == F_DUPFD_CLOEXEC ? O_CLOEXEC : 0); -@@ -835,14 +841,14 @@ static int __init fcntl_init(void) - * Exceptions: O_NONBLOCK is a two bit define on parisc; O_NDELAY - * is defined as O_NONBLOCK on some platforms and not on others. - */ -- BUILD_BUG_ON(19 - 1 /* for O_RDONLY being 0 */ != HWEIGHT32( -+ BUILD_BUG_ON(20 - 1 /* for O_RDONLY being 0 */ != HWEIGHT32( - O_RDONLY | O_WRONLY | O_RDWR | - O_CREAT | O_EXCL | O_NOCTTY | - O_TRUNC | O_APPEND | /* O_NONBLOCK | */ - __O_SYNC | O_DSYNC | FASYNC | - O_DIRECT | O_LARGEFILE | O_DIRECTORY | - O_NOFOLLOW | O_NOATIME | O_CLOEXEC | -- __FMODE_EXEC | O_PATH -+ __FMODE_EXEC | O_PATH | FMODE_GREXEC - )); - - fasync_cache = kmem_cache_create("fasync_cache", -diff -urNp linux-2.6.39.3/fs/fifo.c linux-2.6.39.3/fs/fifo.c ---- linux-2.6.39.3/fs/fifo.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/fifo.c 2011-05-22 19:36:32.000000000 -0400 -@@ -58,10 +58,10 @@ static int fifo_open(struct inode *inode - */ - filp->f_op = &read_pipefifo_fops; - pipe->r_counter++; -- if (pipe->readers++ == 0) -+ if (atomic_inc_return(&pipe->readers) == 1) - wake_up_partner(inode); - -- if (!pipe->writers) { -+ if (!atomic_read(&pipe->writers)) { - if ((filp->f_flags & O_NONBLOCK)) { - /* suppress POLLHUP until we have - * seen a writer */ -@@ -81,15 +81,15 @@ static int fifo_open(struct inode *inode - * errno=ENXIO when there is no process reading the FIFO. - */ - ret = -ENXIO; -- if ((filp->f_flags & O_NONBLOCK) && !pipe->readers) -+ if ((filp->f_flags & O_NONBLOCK) && !atomic_read(&pipe->readers)) - goto err; - - filp->f_op = &write_pipefifo_fops; - pipe->w_counter++; -- if (!pipe->writers++) -+ if (atomic_inc_return(&pipe->writers) == 1) - wake_up_partner(inode); - -- if (!pipe->readers) { -+ if (!atomic_read(&pipe->readers)) { - wait_for_partner(inode, &pipe->r_counter); - if (signal_pending(current)) - goto err_wr; -@@ -105,11 +105,11 @@ static int fifo_open(struct inode *inode - */ - filp->f_op = &rdwr_pipefifo_fops; - -- pipe->readers++; -- pipe->writers++; -+ atomic_inc(&pipe->readers); -+ atomic_inc(&pipe->writers); - pipe->r_counter++; - pipe->w_counter++; -- if (pipe->readers == 1 || pipe->writers == 1) -+ if (atomic_read(&pipe->readers) == 1 || atomic_read(&pipe->writers) == 1) - wake_up_partner(inode); - break; - -@@ -123,19 +123,19 @@ static int fifo_open(struct inode *inode - return 0; - - err_rd: -- if (!--pipe->readers) -+ if (atomic_dec_and_test(&pipe->readers)) - wake_up_interruptible(&pipe->wait); - ret = -ERESTARTSYS; - goto err; - - err_wr: -- if (!--pipe->writers) -+ if (atomic_dec_and_test(&pipe->writers)) - wake_up_interruptible(&pipe->wait); - ret = -ERESTARTSYS; - goto err; - - err: -- if (!pipe->readers && !pipe->writers) -+ if (!atomic_read(&pipe->readers) && !atomic_read(&pipe->writers)) - free_pipe_info(inode); - - err_nocleanup: -diff -urNp linux-2.6.39.3/fs/file.c linux-2.6.39.3/fs/file.c ---- linux-2.6.39.3/fs/file.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/file.c 2011-05-22 19:41:37.000000000 -0400 -@@ -15,6 +15,7 @@ - #include <linux/slab.h> - #include <linux/vmalloc.h> - #include <linux/file.h> -+#include <linux/security.h> - #include <linux/fdtable.h> - #include <linux/bitops.h> - #include <linux/interrupt.h> -@@ -254,6 +255,7 @@ int expand_files(struct files_struct *fi - * N.B. For clone tasks sharing a files structure, this test - * will limit the total number of files that can be opened. - */ -+ gr_learn_resource(current, RLIMIT_NOFILE, nr, 0); - if (nr >= rlimit(RLIMIT_NOFILE)) - return -EMFILE; - -diff -urNp linux-2.6.39.3/fs/filesystems.c linux-2.6.39.3/fs/filesystems.c ---- linux-2.6.39.3/fs/filesystems.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/filesystems.c 2011-05-22 19:41:37.000000000 -0400 -@@ -274,7 +274,12 @@ struct file_system_type *get_fs_type(con - int len = dot ? dot - name : strlen(name); - - fs = __get_fs_type(name, len); -+ -+#ifdef CONFIG_GRKERNSEC_MODHARDEN -+ if (!fs && (___request_module(true, "grsec_modharden_fs", "%.*s", len, name) == 0)) -+#else - if (!fs && (request_module("%.*s", len, name) == 0)) -+#endif - fs = __get_fs_type(name, len); - - if (dot && fs && !(fs->fs_flags & FS_HAS_SUBTYPE)) { -diff -urNp linux-2.6.39.3/fs/fscache/cookie.c linux-2.6.39.3/fs/fscache/cookie.c ---- linux-2.6.39.3/fs/fscache/cookie.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/fscache/cookie.c 2011-05-22 19:36:32.000000000 -0400 -@@ -68,11 +68,11 @@ struct fscache_cookie *__fscache_acquire - parent ? (char *) parent->def->name : "<no-parent>", - def->name, netfs_data); - -- fscache_stat(&fscache_n_acquires); -+ fscache_stat_unchecked(&fscache_n_acquires); - - /* if there's no parent cookie, then we don't create one here either */ - if (!parent) { -- fscache_stat(&fscache_n_acquires_null); -+ fscache_stat_unchecked(&fscache_n_acquires_null); - _leave(" [no parent]"); - return NULL; - } -@@ -87,7 +87,7 @@ struct fscache_cookie *__fscache_acquire - /* allocate and initialise a cookie */ - cookie = kmem_cache_alloc(fscache_cookie_jar, GFP_KERNEL); - if (!cookie) { -- fscache_stat(&fscache_n_acquires_oom); -+ fscache_stat_unchecked(&fscache_n_acquires_oom); - _leave(" [ENOMEM]"); - return NULL; - } -@@ -109,13 +109,13 @@ struct fscache_cookie *__fscache_acquire - - switch (cookie->def->type) { - case FSCACHE_COOKIE_TYPE_INDEX: -- fscache_stat(&fscache_n_cookie_index); -+ fscache_stat_unchecked(&fscache_n_cookie_index); - break; - case FSCACHE_COOKIE_TYPE_DATAFILE: -- fscache_stat(&fscache_n_cookie_data); -+ fscache_stat_unchecked(&fscache_n_cookie_data); - break; - default: -- fscache_stat(&fscache_n_cookie_special); -+ fscache_stat_unchecked(&fscache_n_cookie_special); - break; - } - -@@ -126,13 +126,13 @@ struct fscache_cookie *__fscache_acquire - if (fscache_acquire_non_index_cookie(cookie) < 0) { - atomic_dec(&parent->n_children); - __fscache_cookie_put(cookie); -- fscache_stat(&fscache_n_acquires_nobufs); -+ fscache_stat_unchecked(&fscache_n_acquires_nobufs); - _leave(" = NULL"); - return NULL; - } - } - -- fscache_stat(&fscache_n_acquires_ok); -+ fscache_stat_unchecked(&fscache_n_acquires_ok); - _leave(" = %p", cookie); - return cookie; - } -@@ -168,7 +168,7 @@ static int fscache_acquire_non_index_coo - cache = fscache_select_cache_for_object(cookie->parent); - if (!cache) { - up_read(&fscache_addremove_sem); -- fscache_stat(&fscache_n_acquires_no_cache); -+ fscache_stat_unchecked(&fscache_n_acquires_no_cache); - _leave(" = -ENOMEDIUM [no cache]"); - return -ENOMEDIUM; - } -@@ -256,12 +256,12 @@ static int fscache_alloc_object(struct f - object = cache->ops->alloc_object(cache, cookie); - fscache_stat_d(&fscache_n_cop_alloc_object); - if (IS_ERR(object)) { -- fscache_stat(&fscache_n_object_no_alloc); -+ fscache_stat_unchecked(&fscache_n_object_no_alloc); - ret = PTR_ERR(object); - goto error; - } - -- fscache_stat(&fscache_n_object_alloc); -+ fscache_stat_unchecked(&fscache_n_object_alloc); - - object->debug_id = atomic_inc_return(&fscache_object_debug_id); - -@@ -377,10 +377,10 @@ void __fscache_update_cookie(struct fsca - struct fscache_object *object; - struct hlist_node *_p; - -- fscache_stat(&fscache_n_updates); -+ fscache_stat_unchecked(&fscache_n_updates); - - if (!cookie) { -- fscache_stat(&fscache_n_updates_null); -+ fscache_stat_unchecked(&fscache_n_updates_null); - _leave(" [no cookie]"); - return; - } -@@ -414,12 +414,12 @@ void __fscache_relinquish_cookie(struct - struct fscache_object *object; - unsigned long event; - -- fscache_stat(&fscache_n_relinquishes); -+ fscache_stat_unchecked(&fscache_n_relinquishes); - if (retire) -- fscache_stat(&fscache_n_relinquishes_retire); -+ fscache_stat_unchecked(&fscache_n_relinquishes_retire); - - if (!cookie) { -- fscache_stat(&fscache_n_relinquishes_null); -+ fscache_stat_unchecked(&fscache_n_relinquishes_null); - _leave(" [no cookie]"); - return; - } -@@ -435,7 +435,7 @@ void __fscache_relinquish_cookie(struct - - /* wait for the cookie to finish being instantiated (or to fail) */ - if (test_bit(FSCACHE_COOKIE_CREATING, &cookie->flags)) { -- fscache_stat(&fscache_n_relinquishes_waitcrt); -+ fscache_stat_unchecked(&fscache_n_relinquishes_waitcrt); - wait_on_bit(&cookie->flags, FSCACHE_COOKIE_CREATING, - fscache_wait_bit, TASK_UNINTERRUPTIBLE); - } -diff -urNp linux-2.6.39.3/fs/fscache/internal.h linux-2.6.39.3/fs/fscache/internal.h ---- linux-2.6.39.3/fs/fscache/internal.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/fscache/internal.h 2011-05-22 19:36:32.000000000 -0400 -@@ -144,94 +144,94 @@ extern void fscache_proc_cleanup(void); - extern atomic_t fscache_n_ops_processed[FSCACHE_MAX_THREADS]; - extern atomic_t fscache_n_objs_processed[FSCACHE_MAX_THREADS]; - --extern atomic_t fscache_n_op_pend; --extern atomic_t fscache_n_op_run; --extern atomic_t fscache_n_op_enqueue; --extern atomic_t fscache_n_op_deferred_release; --extern atomic_t fscache_n_op_release; --extern atomic_t fscache_n_op_gc; --extern atomic_t fscache_n_op_cancelled; --extern atomic_t fscache_n_op_rejected; -- --extern atomic_t fscache_n_attr_changed; --extern atomic_t fscache_n_attr_changed_ok; --extern atomic_t fscache_n_attr_changed_nobufs; --extern atomic_t fscache_n_attr_changed_nomem; --extern atomic_t fscache_n_attr_changed_calls; -- --extern atomic_t fscache_n_allocs; --extern atomic_t fscache_n_allocs_ok; --extern atomic_t fscache_n_allocs_wait; --extern atomic_t fscache_n_allocs_nobufs; --extern atomic_t fscache_n_allocs_intr; --extern atomic_t fscache_n_allocs_object_dead; --extern atomic_t fscache_n_alloc_ops; --extern atomic_t fscache_n_alloc_op_waits; -- --extern atomic_t fscache_n_retrievals; --extern atomic_t fscache_n_retrievals_ok; --extern atomic_t fscache_n_retrievals_wait; --extern atomic_t fscache_n_retrievals_nodata; --extern atomic_t fscache_n_retrievals_nobufs; --extern atomic_t fscache_n_retrievals_intr; --extern atomic_t fscache_n_retrievals_nomem; --extern atomic_t fscache_n_retrievals_object_dead; --extern atomic_t fscache_n_retrieval_ops; --extern atomic_t fscache_n_retrieval_op_waits; -- --extern atomic_t fscache_n_stores; --extern atomic_t fscache_n_stores_ok; --extern atomic_t fscache_n_stores_again; --extern atomic_t fscache_n_stores_nobufs; --extern atomic_t fscache_n_stores_oom; --extern atomic_t fscache_n_store_ops; --extern atomic_t fscache_n_store_calls; --extern atomic_t fscache_n_store_pages; --extern atomic_t fscache_n_store_radix_deletes; --extern atomic_t fscache_n_store_pages_over_limit; -- --extern atomic_t fscache_n_store_vmscan_not_storing; --extern atomic_t fscache_n_store_vmscan_gone; --extern atomic_t fscache_n_store_vmscan_busy; --extern atomic_t fscache_n_store_vmscan_cancelled; -- --extern atomic_t fscache_n_marks; --extern atomic_t fscache_n_uncaches; -- --extern atomic_t fscache_n_acquires; --extern atomic_t fscache_n_acquires_null; --extern atomic_t fscache_n_acquires_no_cache; --extern atomic_t fscache_n_acquires_ok; --extern atomic_t fscache_n_acquires_nobufs; --extern atomic_t fscache_n_acquires_oom; -- --extern atomic_t fscache_n_updates; --extern atomic_t fscache_n_updates_null; --extern atomic_t fscache_n_updates_run; -- --extern atomic_t fscache_n_relinquishes; --extern atomic_t fscache_n_relinquishes_null; --extern atomic_t fscache_n_relinquishes_waitcrt; --extern atomic_t fscache_n_relinquishes_retire; -- --extern atomic_t fscache_n_cookie_index; --extern atomic_t fscache_n_cookie_data; --extern atomic_t fscache_n_cookie_special; -- --extern atomic_t fscache_n_object_alloc; --extern atomic_t fscache_n_object_no_alloc; --extern atomic_t fscache_n_object_lookups; --extern atomic_t fscache_n_object_lookups_negative; --extern atomic_t fscache_n_object_lookups_positive; --extern atomic_t fscache_n_object_lookups_timed_out; --extern atomic_t fscache_n_object_created; --extern atomic_t fscache_n_object_avail; --extern atomic_t fscache_n_object_dead; -- --extern atomic_t fscache_n_checkaux_none; --extern atomic_t fscache_n_checkaux_okay; --extern atomic_t fscache_n_checkaux_update; --extern atomic_t fscache_n_checkaux_obsolete; -+extern atomic_unchecked_t fscache_n_op_pend; -+extern atomic_unchecked_t fscache_n_op_run; -+extern atomic_unchecked_t fscache_n_op_enqueue; -+extern atomic_unchecked_t fscache_n_op_deferred_release; -+extern atomic_unchecked_t fscache_n_op_release; -+extern atomic_unchecked_t fscache_n_op_gc; -+extern atomic_unchecked_t fscache_n_op_cancelled; -+extern atomic_unchecked_t fscache_n_op_rejected; -+ -+extern atomic_unchecked_t fscache_n_attr_changed; -+extern atomic_unchecked_t fscache_n_attr_changed_ok; -+extern atomic_unchecked_t fscache_n_attr_changed_nobufs; -+extern atomic_unchecked_t fscache_n_attr_changed_nomem; -+extern atomic_unchecked_t fscache_n_attr_changed_calls; -+ -+extern atomic_unchecked_t fscache_n_allocs; -+extern atomic_unchecked_t fscache_n_allocs_ok; -+extern atomic_unchecked_t fscache_n_allocs_wait; -+extern atomic_unchecked_t fscache_n_allocs_nobufs; -+extern atomic_unchecked_t fscache_n_allocs_intr; -+extern atomic_unchecked_t fscache_n_allocs_object_dead; -+extern atomic_unchecked_t fscache_n_alloc_ops; -+extern atomic_unchecked_t fscache_n_alloc_op_waits; -+ -+extern atomic_unchecked_t fscache_n_retrievals; -+extern atomic_unchecked_t fscache_n_retrievals_ok; -+extern atomic_unchecked_t fscache_n_retrievals_wait; -+extern atomic_unchecked_t fscache_n_retrievals_nodata; -+extern atomic_unchecked_t fscache_n_retrievals_nobufs; -+extern atomic_unchecked_t fscache_n_retrievals_intr; -+extern atomic_unchecked_t fscache_n_retrievals_nomem; -+extern atomic_unchecked_t fscache_n_retrievals_object_dead; -+extern atomic_unchecked_t fscache_n_retrieval_ops; -+extern atomic_unchecked_t fscache_n_retrieval_op_waits; -+ -+extern atomic_unchecked_t fscache_n_stores; -+extern atomic_unchecked_t fscache_n_stores_ok; -+extern atomic_unchecked_t fscache_n_stores_again; -+extern atomic_unchecked_t fscache_n_stores_nobufs; -+extern atomic_unchecked_t fscache_n_stores_oom; -+extern atomic_unchecked_t fscache_n_store_ops; -+extern atomic_unchecked_t fscache_n_store_calls; -+extern atomic_unchecked_t fscache_n_store_pages; -+extern atomic_unchecked_t fscache_n_store_radix_deletes; -+extern atomic_unchecked_t fscache_n_store_pages_over_limit; -+ -+extern atomic_unchecked_t fscache_n_store_vmscan_not_storing; -+extern atomic_unchecked_t fscache_n_store_vmscan_gone; -+extern atomic_unchecked_t fscache_n_store_vmscan_busy; -+extern atomic_unchecked_t fscache_n_store_vmscan_cancelled; -+ -+extern atomic_unchecked_t fscache_n_marks; -+extern atomic_unchecked_t fscache_n_uncaches; -+ -+extern atomic_unchecked_t fscache_n_acquires; -+extern atomic_unchecked_t fscache_n_acquires_null; -+extern atomic_unchecked_t fscache_n_acquires_no_cache; -+extern atomic_unchecked_t fscache_n_acquires_ok; -+extern atomic_unchecked_t fscache_n_acquires_nobufs; -+extern atomic_unchecked_t fscache_n_acquires_oom; -+ -+extern atomic_unchecked_t fscache_n_updates; -+extern atomic_unchecked_t fscache_n_updates_null; -+extern atomic_unchecked_t fscache_n_updates_run; -+ -+extern atomic_unchecked_t fscache_n_relinquishes; -+extern atomic_unchecked_t fscache_n_relinquishes_null; -+extern atomic_unchecked_t fscache_n_relinquishes_waitcrt; -+extern atomic_unchecked_t fscache_n_relinquishes_retire; -+ -+extern atomic_unchecked_t fscache_n_cookie_index; -+extern atomic_unchecked_t fscache_n_cookie_data; -+extern atomic_unchecked_t fscache_n_cookie_special; -+ -+extern atomic_unchecked_t fscache_n_object_alloc; -+extern atomic_unchecked_t fscache_n_object_no_alloc; -+extern atomic_unchecked_t fscache_n_object_lookups; -+extern atomic_unchecked_t fscache_n_object_lookups_negative; -+extern atomic_unchecked_t fscache_n_object_lookups_positive; -+extern atomic_unchecked_t fscache_n_object_lookups_timed_out; -+extern atomic_unchecked_t fscache_n_object_created; -+extern atomic_unchecked_t fscache_n_object_avail; -+extern atomic_unchecked_t fscache_n_object_dead; -+ -+extern atomic_unchecked_t fscache_n_checkaux_none; -+extern atomic_unchecked_t fscache_n_checkaux_okay; -+extern atomic_unchecked_t fscache_n_checkaux_update; -+extern atomic_unchecked_t fscache_n_checkaux_obsolete; - - extern atomic_t fscache_n_cop_alloc_object; - extern atomic_t fscache_n_cop_lookup_object; -@@ -255,6 +255,11 @@ static inline void fscache_stat(atomic_t - atomic_inc(stat); - } - -+static inline void fscache_stat_unchecked(atomic_unchecked_t *stat) -+{ -+ atomic_inc_unchecked(stat); -+} -+ - static inline void fscache_stat_d(atomic_t *stat) - { - atomic_dec(stat); -@@ -267,6 +272,7 @@ extern const struct file_operations fsca - - #define __fscache_stat(stat) (NULL) - #define fscache_stat(stat) do {} while (0) -+#define fscache_stat_unchecked(stat) do {} while (0) - #define fscache_stat_d(stat) do {} while (0) - #endif - -diff -urNp linux-2.6.39.3/fs/fscache/object.c linux-2.6.39.3/fs/fscache/object.c ---- linux-2.6.39.3/fs/fscache/object.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/fscache/object.c 2011-05-22 19:36:32.000000000 -0400 -@@ -128,7 +128,7 @@ static void fscache_object_state_machine - /* update the object metadata on disk */ - case FSCACHE_OBJECT_UPDATING: - clear_bit(FSCACHE_OBJECT_EV_UPDATE, &object->events); -- fscache_stat(&fscache_n_updates_run); -+ fscache_stat_unchecked(&fscache_n_updates_run); - fscache_stat(&fscache_n_cop_update_object); - object->cache->ops->update_object(object); - fscache_stat_d(&fscache_n_cop_update_object); -@@ -217,7 +217,7 @@ static void fscache_object_state_machine - spin_lock(&object->lock); - object->state = FSCACHE_OBJECT_DEAD; - spin_unlock(&object->lock); -- fscache_stat(&fscache_n_object_dead); -+ fscache_stat_unchecked(&fscache_n_object_dead); - goto terminal_transit; - - /* handle the parent cache of this object being withdrawn from -@@ -232,7 +232,7 @@ static void fscache_object_state_machine - spin_lock(&object->lock); - object->state = FSCACHE_OBJECT_DEAD; - spin_unlock(&object->lock); -- fscache_stat(&fscache_n_object_dead); -+ fscache_stat_unchecked(&fscache_n_object_dead); - goto terminal_transit; - - /* complain about the object being woken up once it is -@@ -461,7 +461,7 @@ static void fscache_lookup_object(struct - parent->cookie->def->name, cookie->def->name, - object->cache->tag->name); - -- fscache_stat(&fscache_n_object_lookups); -+ fscache_stat_unchecked(&fscache_n_object_lookups); - fscache_stat(&fscache_n_cop_lookup_object); - ret = object->cache->ops->lookup_object(object); - fscache_stat_d(&fscache_n_cop_lookup_object); -@@ -472,7 +472,7 @@ static void fscache_lookup_object(struct - if (ret == -ETIMEDOUT) { - /* probably stuck behind another object, so move this one to - * the back of the queue */ -- fscache_stat(&fscache_n_object_lookups_timed_out); -+ fscache_stat_unchecked(&fscache_n_object_lookups_timed_out); - set_bit(FSCACHE_OBJECT_EV_REQUEUE, &object->events); - } - -@@ -495,7 +495,7 @@ void fscache_object_lookup_negative(stru - - spin_lock(&object->lock); - if (object->state == FSCACHE_OBJECT_LOOKING_UP) { -- fscache_stat(&fscache_n_object_lookups_negative); -+ fscache_stat_unchecked(&fscache_n_object_lookups_negative); - - /* transit here to allow write requests to begin stacking up - * and read requests to begin returning ENODATA */ -@@ -541,7 +541,7 @@ void fscache_obtained_object(struct fsca - * result, in which case there may be data available */ - spin_lock(&object->lock); - if (object->state == FSCACHE_OBJECT_LOOKING_UP) { -- fscache_stat(&fscache_n_object_lookups_positive); -+ fscache_stat_unchecked(&fscache_n_object_lookups_positive); - - clear_bit(FSCACHE_COOKIE_NO_DATA_YET, &cookie->flags); - -@@ -555,7 +555,7 @@ void fscache_obtained_object(struct fsca - set_bit(FSCACHE_OBJECT_EV_REQUEUE, &object->events); - } else { - ASSERTCMP(object->state, ==, FSCACHE_OBJECT_CREATING); -- fscache_stat(&fscache_n_object_created); -+ fscache_stat_unchecked(&fscache_n_object_created); - - object->state = FSCACHE_OBJECT_AVAILABLE; - spin_unlock(&object->lock); -@@ -602,7 +602,7 @@ static void fscache_object_available(str - fscache_enqueue_dependents(object); - - fscache_hist(fscache_obj_instantiate_histogram, object->lookup_jif); -- fscache_stat(&fscache_n_object_avail); -+ fscache_stat_unchecked(&fscache_n_object_avail); - - _leave(""); - } -@@ -861,7 +861,7 @@ enum fscache_checkaux fscache_check_aux( - enum fscache_checkaux result; - - if (!object->cookie->def->check_aux) { -- fscache_stat(&fscache_n_checkaux_none); -+ fscache_stat_unchecked(&fscache_n_checkaux_none); - return FSCACHE_CHECKAUX_OKAY; - } - -@@ -870,17 +870,17 @@ enum fscache_checkaux fscache_check_aux( - switch (result) { - /* entry okay as is */ - case FSCACHE_CHECKAUX_OKAY: -- fscache_stat(&fscache_n_checkaux_okay); -+ fscache_stat_unchecked(&fscache_n_checkaux_okay); - break; - - /* entry requires update */ - case FSCACHE_CHECKAUX_NEEDS_UPDATE: -- fscache_stat(&fscache_n_checkaux_update); -+ fscache_stat_unchecked(&fscache_n_checkaux_update); - break; - - /* entry requires deletion */ - case FSCACHE_CHECKAUX_OBSOLETE: -- fscache_stat(&fscache_n_checkaux_obsolete); -+ fscache_stat_unchecked(&fscache_n_checkaux_obsolete); - break; - - default: -diff -urNp linux-2.6.39.3/fs/fscache/operation.c linux-2.6.39.3/fs/fscache/operation.c ---- linux-2.6.39.3/fs/fscache/operation.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/fscache/operation.c 2011-05-22 19:36:32.000000000 -0400 -@@ -17,7 +17,7 @@ - #include <linux/slab.h> - #include "internal.h" - --atomic_t fscache_op_debug_id; -+atomic_unchecked_t fscache_op_debug_id; - EXPORT_SYMBOL(fscache_op_debug_id); - - /** -@@ -40,7 +40,7 @@ void fscache_enqueue_operation(struct fs - ASSERTCMP(op->object->state, >=, FSCACHE_OBJECT_AVAILABLE); - ASSERTCMP(atomic_read(&op->usage), >, 0); - -- fscache_stat(&fscache_n_op_enqueue); -+ fscache_stat_unchecked(&fscache_n_op_enqueue); - switch (op->flags & FSCACHE_OP_TYPE) { - case FSCACHE_OP_ASYNC: - _debug("queue async"); -@@ -73,7 +73,7 @@ static void fscache_run_op(struct fscach - wake_up_bit(&op->flags, FSCACHE_OP_WAITING); - if (op->processor) - fscache_enqueue_operation(op); -- fscache_stat(&fscache_n_op_run); -+ fscache_stat_unchecked(&fscache_n_op_run); - } - - /* -@@ -104,11 +104,11 @@ int fscache_submit_exclusive_op(struct f - if (object->n_ops > 1) { - atomic_inc(&op->usage); - list_add_tail(&op->pend_link, &object->pending_ops); -- fscache_stat(&fscache_n_op_pend); -+ fscache_stat_unchecked(&fscache_n_op_pend); - } else if (!list_empty(&object->pending_ops)) { - atomic_inc(&op->usage); - list_add_tail(&op->pend_link, &object->pending_ops); -- fscache_stat(&fscache_n_op_pend); -+ fscache_stat_unchecked(&fscache_n_op_pend); - fscache_start_operations(object); - } else { - ASSERTCMP(object->n_in_progress, ==, 0); -@@ -124,7 +124,7 @@ int fscache_submit_exclusive_op(struct f - object->n_exclusive++; /* reads and writes must wait */ - atomic_inc(&op->usage); - list_add_tail(&op->pend_link, &object->pending_ops); -- fscache_stat(&fscache_n_op_pend); -+ fscache_stat_unchecked(&fscache_n_op_pend); - ret = 0; - } else { - /* not allowed to submit ops in any other state */ -@@ -211,11 +211,11 @@ int fscache_submit_op(struct fscache_obj - if (object->n_exclusive > 0) { - atomic_inc(&op->usage); - list_add_tail(&op->pend_link, &object->pending_ops); -- fscache_stat(&fscache_n_op_pend); -+ fscache_stat_unchecked(&fscache_n_op_pend); - } else if (!list_empty(&object->pending_ops)) { - atomic_inc(&op->usage); - list_add_tail(&op->pend_link, &object->pending_ops); -- fscache_stat(&fscache_n_op_pend); -+ fscache_stat_unchecked(&fscache_n_op_pend); - fscache_start_operations(object); - } else { - ASSERTCMP(object->n_exclusive, ==, 0); -@@ -227,12 +227,12 @@ int fscache_submit_op(struct fscache_obj - object->n_ops++; - atomic_inc(&op->usage); - list_add_tail(&op->pend_link, &object->pending_ops); -- fscache_stat(&fscache_n_op_pend); -+ fscache_stat_unchecked(&fscache_n_op_pend); - ret = 0; - } else if (object->state == FSCACHE_OBJECT_DYING || - object->state == FSCACHE_OBJECT_LC_DYING || - object->state == FSCACHE_OBJECT_WITHDRAWING) { -- fscache_stat(&fscache_n_op_rejected); -+ fscache_stat_unchecked(&fscache_n_op_rejected); - ret = -ENOBUFS; - } else if (!test_bit(FSCACHE_IOERROR, &object->cache->flags)) { - fscache_report_unexpected_submission(object, op, ostate); -@@ -302,7 +302,7 @@ int fscache_cancel_op(struct fscache_ope - - ret = -EBUSY; - if (!list_empty(&op->pend_link)) { -- fscache_stat(&fscache_n_op_cancelled); -+ fscache_stat_unchecked(&fscache_n_op_cancelled); - list_del_init(&op->pend_link); - object->n_ops--; - if (test_bit(FSCACHE_OP_EXCLUSIVE, &op->flags)) -@@ -341,7 +341,7 @@ void fscache_put_operation(struct fscach - if (test_and_set_bit(FSCACHE_OP_DEAD, &op->flags)) - BUG(); - -- fscache_stat(&fscache_n_op_release); -+ fscache_stat_unchecked(&fscache_n_op_release); - - if (op->release) { - op->release(op); -@@ -358,7 +358,7 @@ void fscache_put_operation(struct fscach - * lock, and defer it otherwise */ - if (!spin_trylock(&object->lock)) { - _debug("defer put"); -- fscache_stat(&fscache_n_op_deferred_release); -+ fscache_stat_unchecked(&fscache_n_op_deferred_release); - - cache = object->cache; - spin_lock(&cache->op_gc_list_lock); -@@ -420,7 +420,7 @@ void fscache_operation_gc(struct work_st - - _debug("GC DEFERRED REL OBJ%x OP%x", - object->debug_id, op->debug_id); -- fscache_stat(&fscache_n_op_gc); -+ fscache_stat_unchecked(&fscache_n_op_gc); - - ASSERTCMP(atomic_read(&op->usage), ==, 0); - -diff -urNp linux-2.6.39.3/fs/fscache/page.c linux-2.6.39.3/fs/fscache/page.c ---- linux-2.6.39.3/fs/fscache/page.c 2011-07-09 09:18:51.000000000 -0400 -+++ linux-2.6.39.3/fs/fscache/page.c 2011-07-09 09:19:18.000000000 -0400 -@@ -60,7 +60,7 @@ bool __fscache_maybe_release_page(struct - val = radix_tree_lookup(&cookie->stores, page->index); - if (!val) { - rcu_read_unlock(); -- fscache_stat(&fscache_n_store_vmscan_not_storing); -+ fscache_stat_unchecked(&fscache_n_store_vmscan_not_storing); - __fscache_uncache_page(cookie, page); - return true; - } -@@ -90,11 +90,11 @@ bool __fscache_maybe_release_page(struct - spin_unlock(&cookie->stores_lock); - - if (xpage) { -- fscache_stat(&fscache_n_store_vmscan_cancelled); -- fscache_stat(&fscache_n_store_radix_deletes); -+ fscache_stat_unchecked(&fscache_n_store_vmscan_cancelled); -+ fscache_stat_unchecked(&fscache_n_store_radix_deletes); - ASSERTCMP(xpage, ==, page); - } else { -- fscache_stat(&fscache_n_store_vmscan_gone); -+ fscache_stat_unchecked(&fscache_n_store_vmscan_gone); - } - - wake_up_bit(&cookie->flags, 0); -@@ -107,7 +107,7 @@ page_busy: - /* we might want to wait here, but that could deadlock the allocator as - * the work threads writing to the cache may all end up sleeping - * on memory allocation */ -- fscache_stat(&fscache_n_store_vmscan_busy); -+ fscache_stat_unchecked(&fscache_n_store_vmscan_busy); - return false; - } - EXPORT_SYMBOL(__fscache_maybe_release_page); -@@ -131,7 +131,7 @@ static void fscache_end_page_write(struc - FSCACHE_COOKIE_STORING_TAG); - if (!radix_tree_tag_get(&cookie->stores, page->index, - FSCACHE_COOKIE_PENDING_TAG)) { -- fscache_stat(&fscache_n_store_radix_deletes); -+ fscache_stat_unchecked(&fscache_n_store_radix_deletes); - xpage = radix_tree_delete(&cookie->stores, page->index); - } - spin_unlock(&cookie->stores_lock); -@@ -152,7 +152,7 @@ static void fscache_attr_changed_op(stru - - _enter("{OBJ%x OP%x}", object->debug_id, op->debug_id); - -- fscache_stat(&fscache_n_attr_changed_calls); -+ fscache_stat_unchecked(&fscache_n_attr_changed_calls); - - if (fscache_object_is_active(object)) { - fscache_set_op_state(op, "CallFS"); -@@ -179,11 +179,11 @@ int __fscache_attr_changed(struct fscach - - ASSERTCMP(cookie->def->type, !=, FSCACHE_COOKIE_TYPE_INDEX); - -- fscache_stat(&fscache_n_attr_changed); -+ fscache_stat_unchecked(&fscache_n_attr_changed); - - op = kzalloc(sizeof(*op), GFP_KERNEL); - if (!op) { -- fscache_stat(&fscache_n_attr_changed_nomem); -+ fscache_stat_unchecked(&fscache_n_attr_changed_nomem); - _leave(" = -ENOMEM"); - return -ENOMEM; - } -@@ -202,7 +202,7 @@ int __fscache_attr_changed(struct fscach - if (fscache_submit_exclusive_op(object, op) < 0) - goto nobufs; - spin_unlock(&cookie->lock); -- fscache_stat(&fscache_n_attr_changed_ok); -+ fscache_stat_unchecked(&fscache_n_attr_changed_ok); - fscache_put_operation(op); - _leave(" = 0"); - return 0; -@@ -210,7 +210,7 @@ int __fscache_attr_changed(struct fscach - nobufs: - spin_unlock(&cookie->lock); - kfree(op); -- fscache_stat(&fscache_n_attr_changed_nobufs); -+ fscache_stat_unchecked(&fscache_n_attr_changed_nobufs); - _leave(" = %d", -ENOBUFS); - return -ENOBUFS; - } -@@ -246,7 +246,7 @@ static struct fscache_retrieval *fscache - /* allocate a retrieval operation and attempt to submit it */ - op = kzalloc(sizeof(*op), GFP_NOIO); - if (!op) { -- fscache_stat(&fscache_n_retrievals_nomem); -+ fscache_stat_unchecked(&fscache_n_retrievals_nomem); - return NULL; - } - -@@ -275,13 +275,13 @@ static int fscache_wait_for_deferred_loo - return 0; - } - -- fscache_stat(&fscache_n_retrievals_wait); -+ fscache_stat_unchecked(&fscache_n_retrievals_wait); - - jif = jiffies; - if (wait_on_bit(&cookie->flags, FSCACHE_COOKIE_LOOKING_UP, - fscache_wait_bit_interruptible, - TASK_INTERRUPTIBLE) != 0) { -- fscache_stat(&fscache_n_retrievals_intr); -+ fscache_stat_unchecked(&fscache_n_retrievals_intr); - _leave(" = -ERESTARTSYS"); - return -ERESTARTSYS; - } -@@ -299,8 +299,8 @@ static int fscache_wait_for_deferred_loo - */ - static int fscache_wait_for_retrieval_activation(struct fscache_object *object, - struct fscache_retrieval *op, -- atomic_t *stat_op_waits, -- atomic_t *stat_object_dead) -+ atomic_unchecked_t *stat_op_waits, -+ atomic_unchecked_t *stat_object_dead) - { - int ret; - -@@ -308,7 +308,7 @@ static int fscache_wait_for_retrieval_ac - goto check_if_dead; - - _debug(">>> WT"); -- fscache_stat(stat_op_waits); -+ fscache_stat_unchecked(stat_op_waits); - if (wait_on_bit(&op->op.flags, FSCACHE_OP_WAITING, - fscache_wait_bit_interruptible, - TASK_INTERRUPTIBLE) < 0) { -@@ -325,7 +325,7 @@ static int fscache_wait_for_retrieval_ac - - check_if_dead: - if (unlikely(fscache_object_is_dead(object))) { -- fscache_stat(stat_object_dead); -+ fscache_stat_unchecked(stat_object_dead); - return -ENOBUFS; - } - return 0; -@@ -352,7 +352,7 @@ int __fscache_read_or_alloc_page(struct - - _enter("%p,%p,,,", cookie, page); - -- fscache_stat(&fscache_n_retrievals); -+ fscache_stat_unchecked(&fscache_n_retrievals); - - if (hlist_empty(&cookie->backing_objects)) - goto nobufs; -@@ -386,7 +386,7 @@ int __fscache_read_or_alloc_page(struct - goto nobufs_unlock; - spin_unlock(&cookie->lock); - -- fscache_stat(&fscache_n_retrieval_ops); -+ fscache_stat_unchecked(&fscache_n_retrieval_ops); - - /* pin the netfs read context in case we need to do the actual netfs - * read because we've encountered a cache read failure */ -@@ -416,15 +416,15 @@ int __fscache_read_or_alloc_page(struct - - error: - if (ret == -ENOMEM) -- fscache_stat(&fscache_n_retrievals_nomem); -+ fscache_stat_unchecked(&fscache_n_retrievals_nomem); - else if (ret == -ERESTARTSYS) -- fscache_stat(&fscache_n_retrievals_intr); -+ fscache_stat_unchecked(&fscache_n_retrievals_intr); - else if (ret == -ENODATA) -- fscache_stat(&fscache_n_retrievals_nodata); -+ fscache_stat_unchecked(&fscache_n_retrievals_nodata); - else if (ret < 0) -- fscache_stat(&fscache_n_retrievals_nobufs); -+ fscache_stat_unchecked(&fscache_n_retrievals_nobufs); - else -- fscache_stat(&fscache_n_retrievals_ok); -+ fscache_stat_unchecked(&fscache_n_retrievals_ok); - - fscache_put_retrieval(op); - _leave(" = %d", ret); -@@ -434,7 +434,7 @@ nobufs_unlock: - spin_unlock(&cookie->lock); - kfree(op); - nobufs: -- fscache_stat(&fscache_n_retrievals_nobufs); -+ fscache_stat_unchecked(&fscache_n_retrievals_nobufs); - _leave(" = -ENOBUFS"); - return -ENOBUFS; - } -@@ -472,7 +472,7 @@ int __fscache_read_or_alloc_pages(struct - - _enter("%p,,%d,,,", cookie, *nr_pages); - -- fscache_stat(&fscache_n_retrievals); -+ fscache_stat_unchecked(&fscache_n_retrievals); - - if (hlist_empty(&cookie->backing_objects)) - goto nobufs; -@@ -503,7 +503,7 @@ int __fscache_read_or_alloc_pages(struct - goto nobufs_unlock; - spin_unlock(&cookie->lock); - -- fscache_stat(&fscache_n_retrieval_ops); -+ fscache_stat_unchecked(&fscache_n_retrieval_ops); - - /* pin the netfs read context in case we need to do the actual netfs - * read because we've encountered a cache read failure */ -@@ -533,15 +533,15 @@ int __fscache_read_or_alloc_pages(struct - - error: - if (ret == -ENOMEM) -- fscache_stat(&fscache_n_retrievals_nomem); -+ fscache_stat_unchecked(&fscache_n_retrievals_nomem); - else if (ret == -ERESTARTSYS) -- fscache_stat(&fscache_n_retrievals_intr); -+ fscache_stat_unchecked(&fscache_n_retrievals_intr); - else if (ret == -ENODATA) -- fscache_stat(&fscache_n_retrievals_nodata); -+ fscache_stat_unchecked(&fscache_n_retrievals_nodata); - else if (ret < 0) -- fscache_stat(&fscache_n_retrievals_nobufs); -+ fscache_stat_unchecked(&fscache_n_retrievals_nobufs); - else -- fscache_stat(&fscache_n_retrievals_ok); -+ fscache_stat_unchecked(&fscache_n_retrievals_ok); - - fscache_put_retrieval(op); - _leave(" = %d", ret); -@@ -551,7 +551,7 @@ nobufs_unlock: - spin_unlock(&cookie->lock); - kfree(op); - nobufs: -- fscache_stat(&fscache_n_retrievals_nobufs); -+ fscache_stat_unchecked(&fscache_n_retrievals_nobufs); - _leave(" = -ENOBUFS"); - return -ENOBUFS; - } -@@ -575,7 +575,7 @@ int __fscache_alloc_page(struct fscache_ - - _enter("%p,%p,,,", cookie, page); - -- fscache_stat(&fscache_n_allocs); -+ fscache_stat_unchecked(&fscache_n_allocs); - - if (hlist_empty(&cookie->backing_objects)) - goto nobufs; -@@ -602,7 +602,7 @@ int __fscache_alloc_page(struct fscache_ - goto nobufs_unlock; - spin_unlock(&cookie->lock); - -- fscache_stat(&fscache_n_alloc_ops); -+ fscache_stat_unchecked(&fscache_n_alloc_ops); - - ret = fscache_wait_for_retrieval_activation( - object, op, -@@ -618,11 +618,11 @@ int __fscache_alloc_page(struct fscache_ - - error: - if (ret == -ERESTARTSYS) -- fscache_stat(&fscache_n_allocs_intr); -+ fscache_stat_unchecked(&fscache_n_allocs_intr); - else if (ret < 0) -- fscache_stat(&fscache_n_allocs_nobufs); -+ fscache_stat_unchecked(&fscache_n_allocs_nobufs); - else -- fscache_stat(&fscache_n_allocs_ok); -+ fscache_stat_unchecked(&fscache_n_allocs_ok); - - fscache_put_retrieval(op); - _leave(" = %d", ret); -@@ -632,7 +632,7 @@ nobufs_unlock: - spin_unlock(&cookie->lock); - kfree(op); - nobufs: -- fscache_stat(&fscache_n_allocs_nobufs); -+ fscache_stat_unchecked(&fscache_n_allocs_nobufs); - _leave(" = -ENOBUFS"); - return -ENOBUFS; - } -@@ -675,7 +675,7 @@ static void fscache_write_op(struct fsca - - spin_lock(&cookie->stores_lock); - -- fscache_stat(&fscache_n_store_calls); -+ fscache_stat_unchecked(&fscache_n_store_calls); - - /* find a page to store */ - page = NULL; -@@ -686,7 +686,7 @@ static void fscache_write_op(struct fsca - page = results[0]; - _debug("gang %d [%lx]", n, page->index); - if (page->index > op->store_limit) { -- fscache_stat(&fscache_n_store_pages_over_limit); -+ fscache_stat_unchecked(&fscache_n_store_pages_over_limit); - goto superseded; - } - -@@ -699,7 +699,7 @@ static void fscache_write_op(struct fsca - spin_unlock(&object->lock); - - fscache_set_op_state(&op->op, "Store"); -- fscache_stat(&fscache_n_store_pages); -+ fscache_stat_unchecked(&fscache_n_store_pages); - fscache_stat(&fscache_n_cop_write_page); - ret = object->cache->ops->write_page(op, page); - fscache_stat_d(&fscache_n_cop_write_page); -@@ -769,7 +769,7 @@ int __fscache_write_page(struct fscache_ - ASSERTCMP(cookie->def->type, !=, FSCACHE_COOKIE_TYPE_INDEX); - ASSERT(PageFsCache(page)); - -- fscache_stat(&fscache_n_stores); -+ fscache_stat_unchecked(&fscache_n_stores); - - op = kzalloc(sizeof(*op), GFP_NOIO); - if (!op) -@@ -821,7 +821,7 @@ int __fscache_write_page(struct fscache_ - spin_unlock(&cookie->stores_lock); - spin_unlock(&object->lock); - -- op->op.debug_id = atomic_inc_return(&fscache_op_debug_id); -+ op->op.debug_id = atomic_inc_return_unchecked(&fscache_op_debug_id); - op->store_limit = object->store_limit; - - if (fscache_submit_op(object, &op->op) < 0) -@@ -829,8 +829,8 @@ int __fscache_write_page(struct fscache_ - - spin_unlock(&cookie->lock); - radix_tree_preload_end(); -- fscache_stat(&fscache_n_store_ops); -- fscache_stat(&fscache_n_stores_ok); -+ fscache_stat_unchecked(&fscache_n_store_ops); -+ fscache_stat_unchecked(&fscache_n_stores_ok); - - /* the work queue now carries its own ref on the object */ - fscache_put_operation(&op->op); -@@ -838,14 +838,14 @@ int __fscache_write_page(struct fscache_ - return 0; - - already_queued: -- fscache_stat(&fscache_n_stores_again); -+ fscache_stat_unchecked(&fscache_n_stores_again); - already_pending: - spin_unlock(&cookie->stores_lock); - spin_unlock(&object->lock); - spin_unlock(&cookie->lock); - radix_tree_preload_end(); - kfree(op); -- fscache_stat(&fscache_n_stores_ok); -+ fscache_stat_unchecked(&fscache_n_stores_ok); - _leave(" = 0"); - return 0; - -@@ -864,14 +864,14 @@ nobufs: - spin_unlock(&cookie->lock); - radix_tree_preload_end(); - kfree(op); -- fscache_stat(&fscache_n_stores_nobufs); -+ fscache_stat_unchecked(&fscache_n_stores_nobufs); - _leave(" = -ENOBUFS"); - return -ENOBUFS; - - nomem_free: - kfree(op); - nomem: -- fscache_stat(&fscache_n_stores_oom); -+ fscache_stat_unchecked(&fscache_n_stores_oom); - _leave(" = -ENOMEM"); - return -ENOMEM; - } -@@ -889,7 +889,7 @@ void __fscache_uncache_page(struct fscac - ASSERTCMP(cookie->def->type, !=, FSCACHE_COOKIE_TYPE_INDEX); - ASSERTCMP(page, !=, NULL); - -- fscache_stat(&fscache_n_uncaches); -+ fscache_stat_unchecked(&fscache_n_uncaches); - - /* cache withdrawal may beat us to it */ - if (!PageFsCache(page)) -@@ -942,7 +942,7 @@ void fscache_mark_pages_cached(struct fs - unsigned long loop; - - #ifdef CONFIG_FSCACHE_STATS -- atomic_add(pagevec->nr, &fscache_n_marks); -+ atomic_add_unchecked(pagevec->nr, &fscache_n_marks); - #endif - - for (loop = 0; loop < pagevec->nr; loop++) { -diff -urNp linux-2.6.39.3/fs/fscache/stats.c linux-2.6.39.3/fs/fscache/stats.c ---- linux-2.6.39.3/fs/fscache/stats.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/fscache/stats.c 2011-05-22 19:36:32.000000000 -0400 -@@ -18,95 +18,95 @@ - /* - * operation counters - */ --atomic_t fscache_n_op_pend; --atomic_t fscache_n_op_run; --atomic_t fscache_n_op_enqueue; --atomic_t fscache_n_op_requeue; --atomic_t fscache_n_op_deferred_release; --atomic_t fscache_n_op_release; --atomic_t fscache_n_op_gc; --atomic_t fscache_n_op_cancelled; --atomic_t fscache_n_op_rejected; -- --atomic_t fscache_n_attr_changed; --atomic_t fscache_n_attr_changed_ok; --atomic_t fscache_n_attr_changed_nobufs; --atomic_t fscache_n_attr_changed_nomem; --atomic_t fscache_n_attr_changed_calls; -- --atomic_t fscache_n_allocs; --atomic_t fscache_n_allocs_ok; --atomic_t fscache_n_allocs_wait; --atomic_t fscache_n_allocs_nobufs; --atomic_t fscache_n_allocs_intr; --atomic_t fscache_n_allocs_object_dead; --atomic_t fscache_n_alloc_ops; --atomic_t fscache_n_alloc_op_waits; -- --atomic_t fscache_n_retrievals; --atomic_t fscache_n_retrievals_ok; --atomic_t fscache_n_retrievals_wait; --atomic_t fscache_n_retrievals_nodata; --atomic_t fscache_n_retrievals_nobufs; --atomic_t fscache_n_retrievals_intr; --atomic_t fscache_n_retrievals_nomem; --atomic_t fscache_n_retrievals_object_dead; --atomic_t fscache_n_retrieval_ops; --atomic_t fscache_n_retrieval_op_waits; -- --atomic_t fscache_n_stores; --atomic_t fscache_n_stores_ok; --atomic_t fscache_n_stores_again; --atomic_t fscache_n_stores_nobufs; --atomic_t fscache_n_stores_oom; --atomic_t fscache_n_store_ops; --atomic_t fscache_n_store_calls; --atomic_t fscache_n_store_pages; --atomic_t fscache_n_store_radix_deletes; --atomic_t fscache_n_store_pages_over_limit; -- --atomic_t fscache_n_store_vmscan_not_storing; --atomic_t fscache_n_store_vmscan_gone; --atomic_t fscache_n_store_vmscan_busy; --atomic_t fscache_n_store_vmscan_cancelled; -- --atomic_t fscache_n_marks; --atomic_t fscache_n_uncaches; -- --atomic_t fscache_n_acquires; --atomic_t fscache_n_acquires_null; --atomic_t fscache_n_acquires_no_cache; --atomic_t fscache_n_acquires_ok; --atomic_t fscache_n_acquires_nobufs; --atomic_t fscache_n_acquires_oom; -- --atomic_t fscache_n_updates; --atomic_t fscache_n_updates_null; --atomic_t fscache_n_updates_run; -- --atomic_t fscache_n_relinquishes; --atomic_t fscache_n_relinquishes_null; --atomic_t fscache_n_relinquishes_waitcrt; --atomic_t fscache_n_relinquishes_retire; -- --atomic_t fscache_n_cookie_index; --atomic_t fscache_n_cookie_data; --atomic_t fscache_n_cookie_special; -- --atomic_t fscache_n_object_alloc; --atomic_t fscache_n_object_no_alloc; --atomic_t fscache_n_object_lookups; --atomic_t fscache_n_object_lookups_negative; --atomic_t fscache_n_object_lookups_positive; --atomic_t fscache_n_object_lookups_timed_out; --atomic_t fscache_n_object_created; --atomic_t fscache_n_object_avail; --atomic_t fscache_n_object_dead; -- --atomic_t fscache_n_checkaux_none; --atomic_t fscache_n_checkaux_okay; --atomic_t fscache_n_checkaux_update; --atomic_t fscache_n_checkaux_obsolete; -+atomic_unchecked_t fscache_n_op_pend; -+atomic_unchecked_t fscache_n_op_run; -+atomic_unchecked_t fscache_n_op_enqueue; -+atomic_unchecked_t fscache_n_op_requeue; -+atomic_unchecked_t fscache_n_op_deferred_release; -+atomic_unchecked_t fscache_n_op_release; -+atomic_unchecked_t fscache_n_op_gc; -+atomic_unchecked_t fscache_n_op_cancelled; -+atomic_unchecked_t fscache_n_op_rejected; -+ -+atomic_unchecked_t fscache_n_attr_changed; -+atomic_unchecked_t fscache_n_attr_changed_ok; -+atomic_unchecked_t fscache_n_attr_changed_nobufs; -+atomic_unchecked_t fscache_n_attr_changed_nomem; -+atomic_unchecked_t fscache_n_attr_changed_calls; -+ -+atomic_unchecked_t fscache_n_allocs; -+atomic_unchecked_t fscache_n_allocs_ok; -+atomic_unchecked_t fscache_n_allocs_wait; -+atomic_unchecked_t fscache_n_allocs_nobufs; -+atomic_unchecked_t fscache_n_allocs_intr; -+atomic_unchecked_t fscache_n_allocs_object_dead; -+atomic_unchecked_t fscache_n_alloc_ops; -+atomic_unchecked_t fscache_n_alloc_op_waits; -+ -+atomic_unchecked_t fscache_n_retrievals; -+atomic_unchecked_t fscache_n_retrievals_ok; -+atomic_unchecked_t fscache_n_retrievals_wait; -+atomic_unchecked_t fscache_n_retrievals_nodata; -+atomic_unchecked_t fscache_n_retrievals_nobufs; -+atomic_unchecked_t fscache_n_retrievals_intr; -+atomic_unchecked_t fscache_n_retrievals_nomem; -+atomic_unchecked_t fscache_n_retrievals_object_dead; -+atomic_unchecked_t fscache_n_retrieval_ops; -+atomic_unchecked_t fscache_n_retrieval_op_waits; -+ -+atomic_unchecked_t fscache_n_stores; -+atomic_unchecked_t fscache_n_stores_ok; -+atomic_unchecked_t fscache_n_stores_again; -+atomic_unchecked_t fscache_n_stores_nobufs; -+atomic_unchecked_t fscache_n_stores_oom; -+atomic_unchecked_t fscache_n_store_ops; -+atomic_unchecked_t fscache_n_store_calls; -+atomic_unchecked_t fscache_n_store_pages; -+atomic_unchecked_t fscache_n_store_radix_deletes; -+atomic_unchecked_t fscache_n_store_pages_over_limit; -+ -+atomic_unchecked_t fscache_n_store_vmscan_not_storing; -+atomic_unchecked_t fscache_n_store_vmscan_gone; -+atomic_unchecked_t fscache_n_store_vmscan_busy; -+atomic_unchecked_t fscache_n_store_vmscan_cancelled; -+ -+atomic_unchecked_t fscache_n_marks; -+atomic_unchecked_t fscache_n_uncaches; -+ -+atomic_unchecked_t fscache_n_acquires; -+atomic_unchecked_t fscache_n_acquires_null; -+atomic_unchecked_t fscache_n_acquires_no_cache; -+atomic_unchecked_t fscache_n_acquires_ok; -+atomic_unchecked_t fscache_n_acquires_nobufs; -+atomic_unchecked_t fscache_n_acquires_oom; -+ -+atomic_unchecked_t fscache_n_updates; -+atomic_unchecked_t fscache_n_updates_null; -+atomic_unchecked_t fscache_n_updates_run; -+ -+atomic_unchecked_t fscache_n_relinquishes; -+atomic_unchecked_t fscache_n_relinquishes_null; -+atomic_unchecked_t fscache_n_relinquishes_waitcrt; -+atomic_unchecked_t fscache_n_relinquishes_retire; -+ -+atomic_unchecked_t fscache_n_cookie_index; -+atomic_unchecked_t fscache_n_cookie_data; -+atomic_unchecked_t fscache_n_cookie_special; -+ -+atomic_unchecked_t fscache_n_object_alloc; -+atomic_unchecked_t fscache_n_object_no_alloc; -+atomic_unchecked_t fscache_n_object_lookups; -+atomic_unchecked_t fscache_n_object_lookups_negative; -+atomic_unchecked_t fscache_n_object_lookups_positive; -+atomic_unchecked_t fscache_n_object_lookups_timed_out; -+atomic_unchecked_t fscache_n_object_created; -+atomic_unchecked_t fscache_n_object_avail; -+atomic_unchecked_t fscache_n_object_dead; -+ -+atomic_unchecked_t fscache_n_checkaux_none; -+atomic_unchecked_t fscache_n_checkaux_okay; -+atomic_unchecked_t fscache_n_checkaux_update; -+atomic_unchecked_t fscache_n_checkaux_obsolete; - - atomic_t fscache_n_cop_alloc_object; - atomic_t fscache_n_cop_lookup_object; -@@ -133,113 +133,113 @@ static int fscache_stats_show(struct seq - seq_puts(m, "FS-Cache statistics\n"); - - seq_printf(m, "Cookies: idx=%u dat=%u spc=%u\n", -- atomic_read(&fscache_n_cookie_index), -- atomic_read(&fscache_n_cookie_data), -- atomic_read(&fscache_n_cookie_special)); -+ atomic_read_unchecked(&fscache_n_cookie_index), -+ atomic_read_unchecked(&fscache_n_cookie_data), -+ atomic_read_unchecked(&fscache_n_cookie_special)); - - seq_printf(m, "Objects: alc=%u nal=%u avl=%u ded=%u\n", -- atomic_read(&fscache_n_object_alloc), -- atomic_read(&fscache_n_object_no_alloc), -- atomic_read(&fscache_n_object_avail), -- atomic_read(&fscache_n_object_dead)); -+ atomic_read_unchecked(&fscache_n_object_alloc), -+ atomic_read_unchecked(&fscache_n_object_no_alloc), -+ atomic_read_unchecked(&fscache_n_object_avail), -+ atomic_read_unchecked(&fscache_n_object_dead)); - seq_printf(m, "ChkAux : non=%u ok=%u upd=%u obs=%u\n", -- atomic_read(&fscache_n_checkaux_none), -- atomic_read(&fscache_n_checkaux_okay), -- atomic_read(&fscache_n_checkaux_update), -- atomic_read(&fscache_n_checkaux_obsolete)); -+ atomic_read_unchecked(&fscache_n_checkaux_none), -+ atomic_read_unchecked(&fscache_n_checkaux_okay), -+ atomic_read_unchecked(&fscache_n_checkaux_update), -+ atomic_read_unchecked(&fscache_n_checkaux_obsolete)); - - seq_printf(m, "Pages : mrk=%u unc=%u\n", -- atomic_read(&fscache_n_marks), -- atomic_read(&fscache_n_uncaches)); -+ atomic_read_unchecked(&fscache_n_marks), -+ atomic_read_unchecked(&fscache_n_uncaches)); - - seq_printf(m, "Acquire: n=%u nul=%u noc=%u ok=%u nbf=%u" - " oom=%u\n", -- atomic_read(&fscache_n_acquires), -- atomic_read(&fscache_n_acquires_null), -- atomic_read(&fscache_n_acquires_no_cache), -- atomic_read(&fscache_n_acquires_ok), -- atomic_read(&fscache_n_acquires_nobufs), -- atomic_read(&fscache_n_acquires_oom)); -+ atomic_read_unchecked(&fscache_n_acquires), -+ atomic_read_unchecked(&fscache_n_acquires_null), -+ atomic_read_unchecked(&fscache_n_acquires_no_cache), -+ atomic_read_unchecked(&fscache_n_acquires_ok), -+ atomic_read_unchecked(&fscache_n_acquires_nobufs), -+ atomic_read_unchecked(&fscache_n_acquires_oom)); - - seq_printf(m, "Lookups: n=%u neg=%u pos=%u crt=%u tmo=%u\n", -- atomic_read(&fscache_n_object_lookups), -- atomic_read(&fscache_n_object_lookups_negative), -- atomic_read(&fscache_n_object_lookups_positive), -- atomic_read(&fscache_n_object_created), -- atomic_read(&fscache_n_object_lookups_timed_out)); -+ atomic_read_unchecked(&fscache_n_object_lookups), -+ atomic_read_unchecked(&fscache_n_object_lookups_negative), -+ atomic_read_unchecked(&fscache_n_object_lookups_positive), -+ atomic_read_unchecked(&fscache_n_object_created), -+ atomic_read_unchecked(&fscache_n_object_lookups_timed_out)); - - seq_printf(m, "Updates: n=%u nul=%u run=%u\n", -- atomic_read(&fscache_n_updates), -- atomic_read(&fscache_n_updates_null), -- atomic_read(&fscache_n_updates_run)); -+ atomic_read_unchecked(&fscache_n_updates), -+ atomic_read_unchecked(&fscache_n_updates_null), -+ atomic_read_unchecked(&fscache_n_updates_run)); - - seq_printf(m, "Relinqs: n=%u nul=%u wcr=%u rtr=%u\n", -- atomic_read(&fscache_n_relinquishes), -- atomic_read(&fscache_n_relinquishes_null), -- atomic_read(&fscache_n_relinquishes_waitcrt), -- atomic_read(&fscache_n_relinquishes_retire)); -+ atomic_read_unchecked(&fscache_n_relinquishes), -+ atomic_read_unchecked(&fscache_n_relinquishes_null), -+ atomic_read_unchecked(&fscache_n_relinquishes_waitcrt), -+ atomic_read_unchecked(&fscache_n_relinquishes_retire)); - - seq_printf(m, "AttrChg: n=%u ok=%u nbf=%u oom=%u run=%u\n", -- atomic_read(&fscache_n_attr_changed), -- atomic_read(&fscache_n_attr_changed_ok), -- atomic_read(&fscache_n_attr_changed_nobufs), -- atomic_read(&fscache_n_attr_changed_nomem), -- atomic_read(&fscache_n_attr_changed_calls)); -+ atomic_read_unchecked(&fscache_n_attr_changed), -+ atomic_read_unchecked(&fscache_n_attr_changed_ok), -+ atomic_read_unchecked(&fscache_n_attr_changed_nobufs), -+ atomic_read_unchecked(&fscache_n_attr_changed_nomem), -+ atomic_read_unchecked(&fscache_n_attr_changed_calls)); - - seq_printf(m, "Allocs : n=%u ok=%u wt=%u nbf=%u int=%u\n", -- atomic_read(&fscache_n_allocs), -- atomic_read(&fscache_n_allocs_ok), -- atomic_read(&fscache_n_allocs_wait), -- atomic_read(&fscache_n_allocs_nobufs), -- atomic_read(&fscache_n_allocs_intr)); -+ atomic_read_unchecked(&fscache_n_allocs), -+ atomic_read_unchecked(&fscache_n_allocs_ok), -+ atomic_read_unchecked(&fscache_n_allocs_wait), -+ atomic_read_unchecked(&fscache_n_allocs_nobufs), -+ atomic_read_unchecked(&fscache_n_allocs_intr)); - seq_printf(m, "Allocs : ops=%u owt=%u abt=%u\n", -- atomic_read(&fscache_n_alloc_ops), -- atomic_read(&fscache_n_alloc_op_waits), -- atomic_read(&fscache_n_allocs_object_dead)); -+ atomic_read_unchecked(&fscache_n_alloc_ops), -+ atomic_read_unchecked(&fscache_n_alloc_op_waits), -+ atomic_read_unchecked(&fscache_n_allocs_object_dead)); - - seq_printf(m, "Retrvls: n=%u ok=%u wt=%u nod=%u nbf=%u" - " int=%u oom=%u\n", -- atomic_read(&fscache_n_retrievals), -- atomic_read(&fscache_n_retrievals_ok), -- atomic_read(&fscache_n_retrievals_wait), -- atomic_read(&fscache_n_retrievals_nodata), -- atomic_read(&fscache_n_retrievals_nobufs), -- atomic_read(&fscache_n_retrievals_intr), -- atomic_read(&fscache_n_retrievals_nomem)); -+ atomic_read_unchecked(&fscache_n_retrievals), -+ atomic_read_unchecked(&fscache_n_retrievals_ok), -+ atomic_read_unchecked(&fscache_n_retrievals_wait), -+ atomic_read_unchecked(&fscache_n_retrievals_nodata), -+ atomic_read_unchecked(&fscache_n_retrievals_nobufs), -+ atomic_read_unchecked(&fscache_n_retrievals_intr), -+ atomic_read_unchecked(&fscache_n_retrievals_nomem)); - seq_printf(m, "Retrvls: ops=%u owt=%u abt=%u\n", -- atomic_read(&fscache_n_retrieval_ops), -- atomic_read(&fscache_n_retrieval_op_waits), -- atomic_read(&fscache_n_retrievals_object_dead)); -+ atomic_read_unchecked(&fscache_n_retrieval_ops), -+ atomic_read_unchecked(&fscache_n_retrieval_op_waits), -+ atomic_read_unchecked(&fscache_n_retrievals_object_dead)); - - seq_printf(m, "Stores : n=%u ok=%u agn=%u nbf=%u oom=%u\n", -- atomic_read(&fscache_n_stores), -- atomic_read(&fscache_n_stores_ok), -- atomic_read(&fscache_n_stores_again), -- atomic_read(&fscache_n_stores_nobufs), -- atomic_read(&fscache_n_stores_oom)); -+ atomic_read_unchecked(&fscache_n_stores), -+ atomic_read_unchecked(&fscache_n_stores_ok), -+ atomic_read_unchecked(&fscache_n_stores_again), -+ atomic_read_unchecked(&fscache_n_stores_nobufs), -+ atomic_read_unchecked(&fscache_n_stores_oom)); - seq_printf(m, "Stores : ops=%u run=%u pgs=%u rxd=%u olm=%u\n", -- atomic_read(&fscache_n_store_ops), -- atomic_read(&fscache_n_store_calls), -- atomic_read(&fscache_n_store_pages), -- atomic_read(&fscache_n_store_radix_deletes), -- atomic_read(&fscache_n_store_pages_over_limit)); -+ atomic_read_unchecked(&fscache_n_store_ops), -+ atomic_read_unchecked(&fscache_n_store_calls), -+ atomic_read_unchecked(&fscache_n_store_pages), -+ atomic_read_unchecked(&fscache_n_store_radix_deletes), -+ atomic_read_unchecked(&fscache_n_store_pages_over_limit)); - - seq_printf(m, "VmScan : nos=%u gon=%u bsy=%u can=%u\n", -- atomic_read(&fscache_n_store_vmscan_not_storing), -- atomic_read(&fscache_n_store_vmscan_gone), -- atomic_read(&fscache_n_store_vmscan_busy), -- atomic_read(&fscache_n_store_vmscan_cancelled)); -+ atomic_read_unchecked(&fscache_n_store_vmscan_not_storing), -+ atomic_read_unchecked(&fscache_n_store_vmscan_gone), -+ atomic_read_unchecked(&fscache_n_store_vmscan_busy), -+ atomic_read_unchecked(&fscache_n_store_vmscan_cancelled)); - - seq_printf(m, "Ops : pend=%u run=%u enq=%u can=%u rej=%u\n", -- atomic_read(&fscache_n_op_pend), -- atomic_read(&fscache_n_op_run), -- atomic_read(&fscache_n_op_enqueue), -- atomic_read(&fscache_n_op_cancelled), -- atomic_read(&fscache_n_op_rejected)); -+ atomic_read_unchecked(&fscache_n_op_pend), -+ atomic_read_unchecked(&fscache_n_op_run), -+ atomic_read_unchecked(&fscache_n_op_enqueue), -+ atomic_read_unchecked(&fscache_n_op_cancelled), -+ atomic_read_unchecked(&fscache_n_op_rejected)); - seq_printf(m, "Ops : dfr=%u rel=%u gc=%u\n", -- atomic_read(&fscache_n_op_deferred_release), -- atomic_read(&fscache_n_op_release), -- atomic_read(&fscache_n_op_gc)); -+ atomic_read_unchecked(&fscache_n_op_deferred_release), -+ atomic_read_unchecked(&fscache_n_op_release), -+ atomic_read_unchecked(&fscache_n_op_gc)); - - seq_printf(m, "CacheOp: alo=%d luo=%d luc=%d gro=%d\n", - atomic_read(&fscache_n_cop_alloc_object), -diff -urNp linux-2.6.39.3/fs/fs_struct.c linux-2.6.39.3/fs/fs_struct.c ---- linux-2.6.39.3/fs/fs_struct.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/fs_struct.c 2011-05-22 19:41:37.000000000 -0400 -@@ -4,6 +4,7 @@ - #include <linux/path.h> - #include <linux/slab.h> - #include <linux/fs_struct.h> -+#include <linux/grsecurity.h> - #include "internal.h" - - static inline void path_get_longterm(struct path *path) -@@ -31,6 +32,7 @@ void set_fs_root(struct fs_struct *fs, s - old_root = fs->root; - fs->root = *path; - path_get_longterm(path); -+ gr_set_chroot_entries(current, path); - write_seqcount_end(&fs->seq); - spin_unlock(&fs->lock); - if (old_root.dentry) -@@ -74,6 +76,7 @@ void chroot_fs_refs(struct path *old_roo - && fs->root.mnt == old_root->mnt) { - path_get_longterm(new_root); - fs->root = *new_root; -+ gr_set_chroot_entries(p, new_root); - count++; - } - if (fs->pwd.dentry == old_root->dentry -@@ -109,7 +112,8 @@ void exit_fs(struct task_struct *tsk) - spin_lock(&fs->lock); - write_seqcount_begin(&fs->seq); - tsk->fs = NULL; -- kill = !--fs->users; -+ gr_clear_chroot_entries(tsk); -+ kill = !atomic_dec_return(&fs->users); - write_seqcount_end(&fs->seq); - spin_unlock(&fs->lock); - task_unlock(tsk); -@@ -123,7 +127,7 @@ struct fs_struct *copy_fs_struct(struct - struct fs_struct *fs = kmem_cache_alloc(fs_cachep, GFP_KERNEL); - /* We don't need to lock fs - think why ;-) */ - if (fs) { -- fs->users = 1; -+ atomic_set(&fs->users, 1); - fs->in_exec = 0; - spin_lock_init(&fs->lock); - seqcount_init(&fs->seq); -@@ -132,6 +136,9 @@ struct fs_struct *copy_fs_struct(struct - spin_lock(&old->lock); - fs->root = old->root; - path_get_longterm(&fs->root); -+ /* instead of calling gr_set_chroot_entries here, -+ we call it from every caller of this function -+ */ - fs->pwd = old->pwd; - path_get_longterm(&fs->pwd); - spin_unlock(&old->lock); -@@ -150,8 +157,9 @@ int unshare_fs_struct(void) - - task_lock(current); - spin_lock(&fs->lock); -- kill = !--fs->users; -+ kill = !atomic_dec_return(&fs->users); - current->fs = new_fs; -+ gr_set_chroot_entries(current, &new_fs->root); - spin_unlock(&fs->lock); - task_unlock(current); - -@@ -170,7 +178,7 @@ EXPORT_SYMBOL(current_umask); - - /* to be mentioned only in INIT_TASK */ - struct fs_struct init_fs = { -- .users = 1, -+ .users = ATOMIC_INIT(1), - .lock = __SPIN_LOCK_UNLOCKED(init_fs.lock), - .seq = SEQCNT_ZERO, - .umask = 0022, -@@ -186,12 +194,13 @@ void daemonize_fs_struct(void) - task_lock(current); - - spin_lock(&init_fs.lock); -- init_fs.users++; -+ atomic_inc(&init_fs.users); - spin_unlock(&init_fs.lock); - - spin_lock(&fs->lock); - current->fs = &init_fs; -- kill = !--fs->users; -+ gr_set_chroot_entries(current, ¤t->fs->root); -+ kill = !atomic_dec_return(&fs->users); - spin_unlock(&fs->lock); - - task_unlock(current); -diff -urNp linux-2.6.39.3/fs/fuse/cuse.c linux-2.6.39.3/fs/fuse/cuse.c ---- linux-2.6.39.3/fs/fuse/cuse.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/fuse/cuse.c 2011-05-22 19:36:32.000000000 -0400 -@@ -538,8 +538,18 @@ static int cuse_channel_release(struct i - return rc; - } - --static struct file_operations cuse_channel_fops; /* initialized during init */ -- -+static const struct file_operations cuse_channel_fops = { /* initialized during init */ -+ .owner = THIS_MODULE, -+ .llseek = no_llseek, -+ .read = do_sync_read, -+ .aio_read = fuse_dev_read, -+ .write = do_sync_write, -+ .aio_write = fuse_dev_write, -+ .poll = fuse_dev_poll, -+ .open = cuse_channel_open, -+ .release = cuse_channel_release, -+ .fasync = fuse_dev_fasync, -+}; - - /************************************************************************** - * Misc stuff and module initializatiion -@@ -585,12 +595,6 @@ static int __init cuse_init(void) - for (i = 0; i < CUSE_CONNTBL_LEN; i++) - INIT_LIST_HEAD(&cuse_conntbl[i]); - -- /* inherit and extend fuse_dev_operations */ -- cuse_channel_fops = fuse_dev_operations; -- cuse_channel_fops.owner = THIS_MODULE; -- cuse_channel_fops.open = cuse_channel_open; -- cuse_channel_fops.release = cuse_channel_release; -- - cuse_class = class_create(THIS_MODULE, "cuse"); - if (IS_ERR(cuse_class)) - return PTR_ERR(cuse_class); -diff -urNp linux-2.6.39.3/fs/fuse/dev.c linux-2.6.39.3/fs/fuse/dev.c ---- linux-2.6.39.3/fs/fuse/dev.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/fuse/dev.c 2011-05-22 19:36:32.000000000 -0400 -@@ -1181,7 +1181,7 @@ static ssize_t fuse_dev_do_read(struct f - return err; - } - --static ssize_t fuse_dev_read(struct kiocb *iocb, const struct iovec *iov, -+ssize_t fuse_dev_read(struct kiocb *iocb, const struct iovec *iov, - unsigned long nr_segs, loff_t pos) - { - struct fuse_copy_state cs; -@@ -1195,6 +1195,8 @@ static ssize_t fuse_dev_read(struct kioc - return fuse_dev_do_read(fc, file, &cs, iov_length(iov, nr_segs)); - } - -+EXPORT_SYMBOL_GPL(fuse_dev_read); -+ - static int fuse_dev_pipe_buf_steal(struct pipe_inode_info *pipe, - struct pipe_buffer *buf) - { -@@ -1238,7 +1240,7 @@ static ssize_t fuse_dev_splice_read(stru - ret = 0; - pipe_lock(pipe); - -- if (!pipe->readers) { -+ if (!atomic_read(&pipe->readers)) { - send_sig(SIGPIPE, current, 0); - if (!ret) - ret = -EPIPE; -@@ -1731,7 +1733,7 @@ static ssize_t fuse_dev_do_write(struct - return err; - } - --static ssize_t fuse_dev_write(struct kiocb *iocb, const struct iovec *iov, -+ssize_t fuse_dev_write(struct kiocb *iocb, const struct iovec *iov, - unsigned long nr_segs, loff_t pos) - { - struct fuse_copy_state cs; -@@ -1744,6 +1746,8 @@ static ssize_t fuse_dev_write(struct kio - return fuse_dev_do_write(fc, &cs, iov_length(iov, nr_segs)); - } - -+EXPORT_SYMBOL_GPL(fuse_dev_write); -+ - static ssize_t fuse_dev_splice_write(struct pipe_inode_info *pipe, - struct file *out, loff_t *ppos, - size_t len, unsigned int flags) -@@ -1822,7 +1826,7 @@ out: - return ret; - } - --static unsigned fuse_dev_poll(struct file *file, poll_table *wait) -+unsigned fuse_dev_poll(struct file *file, poll_table *wait) - { - unsigned mask = POLLOUT | POLLWRNORM; - struct fuse_conn *fc = fuse_get_conn(file); -@@ -1841,6 +1845,8 @@ static unsigned fuse_dev_poll(struct fil - return mask; - } - -+EXPORT_SYMBOL_GPL(fuse_dev_poll); -+ - /* - * Abort all requests on the given list (pending or processing) - * -@@ -1977,7 +1983,7 @@ int fuse_dev_release(struct inode *inode - } - EXPORT_SYMBOL_GPL(fuse_dev_release); - --static int fuse_dev_fasync(int fd, struct file *file, int on) -+int fuse_dev_fasync(int fd, struct file *file, int on) - { - struct fuse_conn *fc = fuse_get_conn(file); - if (!fc) -@@ -1987,6 +1993,8 @@ static int fuse_dev_fasync(int fd, struc - return fasync_helper(fd, file, on, &fc->fasync); - } - -+EXPORT_SYMBOL_GPL(fuse_dev_fasync); -+ - const struct file_operations fuse_dev_operations = { - .owner = THIS_MODULE, - .llseek = no_llseek, -diff -urNp linux-2.6.39.3/fs/fuse/dir.c linux-2.6.39.3/fs/fuse/dir.c ---- linux-2.6.39.3/fs/fuse/dir.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/fuse/dir.c 2011-05-22 19:36:32.000000000 -0400 -@@ -1147,7 +1147,7 @@ static char *read_link(struct dentry *de - return link; - } - --static void free_link(char *link) -+static void free_link(const char *link) - { - if (!IS_ERR(link)) - free_page((unsigned long) link); -diff -urNp linux-2.6.39.3/fs/fuse/fuse_i.h linux-2.6.39.3/fs/fuse/fuse_i.h ---- linux-2.6.39.3/fs/fuse/fuse_i.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/fuse/fuse_i.h 2011-05-22 19:36:32.000000000 -0400 -@@ -540,6 +540,16 @@ extern const struct file_operations fuse - - extern const struct dentry_operations fuse_dentry_operations; - -+extern ssize_t fuse_dev_read(struct kiocb *iocb, const struct iovec *iov, -+ unsigned long nr_segs, loff_t pos); -+ -+extern ssize_t fuse_dev_write(struct kiocb *iocb, const struct iovec *iov, -+ unsigned long nr_segs, loff_t pos); -+ -+extern unsigned fuse_dev_poll(struct file *file, poll_table *wait); -+ -+extern int fuse_dev_fasync(int fd, struct file *file, int on); -+ - /** - * Inode to nodeid comparison. - */ -diff -urNp linux-2.6.39.3/fs/gfs2/ops_inode.c linux-2.6.39.3/fs/gfs2/ops_inode.c ---- linux-2.6.39.3/fs/gfs2/ops_inode.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/gfs2/ops_inode.c 2011-05-22 19:36:32.000000000 -0400 -@@ -740,6 +740,8 @@ static int gfs2_rename(struct inode *odi - unsigned int x; - int error; - -+ pax_track_stack(); -+ - if (ndentry->d_inode) { - nip = GFS2_I(ndentry->d_inode); - if (ip == nip) -@@ -1019,7 +1021,7 @@ out: - - static void gfs2_put_link(struct dentry *dentry, struct nameidata *nd, void *p) - { -- char *s = nd_get_link(nd); -+ const char *s = nd_get_link(nd); - if (!IS_ERR(s)) - kfree(s); - } -diff -urNp linux-2.6.39.3/fs/hfsplus/catalog.c linux-2.6.39.3/fs/hfsplus/catalog.c ---- linux-2.6.39.3/fs/hfsplus/catalog.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/hfsplus/catalog.c 2011-05-22 19:36:32.000000000 -0400 -@@ -179,6 +179,8 @@ int hfsplus_find_cat(struct super_block - int err; - u16 type; - -+ pax_track_stack(); -+ - hfsplus_cat_build_key(sb, fd->search_key, cnid, NULL); - err = hfs_brec_read(fd, &tmp, sizeof(hfsplus_cat_entry)); - if (err) -@@ -210,6 +212,8 @@ int hfsplus_create_cat(u32 cnid, struct - int entry_size; - int err; - -+ pax_track_stack(); -+ - dprint(DBG_CAT_MOD, "create_cat: %s,%u(%d)\n", - str->name, cnid, inode->i_nlink); - hfs_find_init(HFSPLUS_SB(sb)->cat_tree, &fd); -@@ -349,6 +353,8 @@ int hfsplus_rename_cat(u32 cnid, - int entry_size, type; - int err = 0; - -+ pax_track_stack(); -+ - dprint(DBG_CAT_MOD, "rename_cat: %u - %lu,%s - %lu,%s\n", - cnid, src_dir->i_ino, src_name->name, - dst_dir->i_ino, dst_name->name); -diff -urNp linux-2.6.39.3/fs/hfsplus/dir.c linux-2.6.39.3/fs/hfsplus/dir.c ---- linux-2.6.39.3/fs/hfsplus/dir.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/hfsplus/dir.c 2011-05-22 19:36:32.000000000 -0400 -@@ -129,6 +129,8 @@ static int hfsplus_readdir(struct file * - struct hfsplus_readdir_data *rd; - u16 type; - -+ pax_track_stack(); -+ - if (filp->f_pos >= inode->i_size) - return 0; - -diff -urNp linux-2.6.39.3/fs/hfsplus/inode.c linux-2.6.39.3/fs/hfsplus/inode.c ---- linux-2.6.39.3/fs/hfsplus/inode.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/hfsplus/inode.c 2011-05-22 19:36:32.000000000 -0400 -@@ -489,6 +489,8 @@ int hfsplus_cat_read_inode(struct inode - int res = 0; - u16 type; - -+ pax_track_stack(); -+ - type = hfs_bnode_read_u16(fd->bnode, fd->entryoffset); - - HFSPLUS_I(inode)->linkid = 0; -@@ -552,6 +554,8 @@ int hfsplus_cat_write_inode(struct inode - struct hfs_find_data fd; - hfsplus_cat_entry entry; - -+ pax_track_stack(); -+ - if (HFSPLUS_IS_RSRC(inode)) - main_inode = HFSPLUS_I(inode)->rsrc_inode; - -diff -urNp linux-2.6.39.3/fs/hfsplus/ioctl.c linux-2.6.39.3/fs/hfsplus/ioctl.c ---- linux-2.6.39.3/fs/hfsplus/ioctl.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/hfsplus/ioctl.c 2011-05-22 19:36:32.000000000 -0400 -@@ -122,6 +122,8 @@ int hfsplus_setxattr(struct dentry *dent - struct hfsplus_cat_file *file; - int res; - -+ pax_track_stack(); -+ - if (!S_ISREG(inode->i_mode) || HFSPLUS_IS_RSRC(inode)) - return -EOPNOTSUPP; - -@@ -166,6 +168,8 @@ ssize_t hfsplus_getxattr(struct dentry * - struct hfsplus_cat_file *file; - ssize_t res = 0; - -+ pax_track_stack(); -+ - if (!S_ISREG(inode->i_mode) || HFSPLUS_IS_RSRC(inode)) - return -EOPNOTSUPP; - -diff -urNp linux-2.6.39.3/fs/hfsplus/super.c linux-2.6.39.3/fs/hfsplus/super.c ---- linux-2.6.39.3/fs/hfsplus/super.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/hfsplus/super.c 2011-05-22 19:36:32.000000000 -0400 -@@ -340,6 +340,8 @@ static int hfsplus_fill_super(struct sup - struct nls_table *nls = NULL; - int err; - -+ pax_track_stack(); -+ - err = -EINVAL; - sbi = kzalloc(sizeof(*sbi), GFP_KERNEL); - if (!sbi) -diff -urNp linux-2.6.39.3/fs/hugetlbfs/inode.c linux-2.6.39.3/fs/hugetlbfs/inode.c ---- linux-2.6.39.3/fs/hugetlbfs/inode.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/hugetlbfs/inode.c 2011-05-22 19:41:37.000000000 -0400 -@@ -914,7 +914,7 @@ static struct file_system_type hugetlbfs - .kill_sb = kill_litter_super, - }; - --static struct vfsmount *hugetlbfs_vfsmount; -+struct vfsmount *hugetlbfs_vfsmount; - - static int can_do_hugetlb_shm(void) - { -diff -urNp linux-2.6.39.3/fs/inode.c linux-2.6.39.3/fs/inode.c ---- linux-2.6.39.3/fs/inode.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/inode.c 2011-05-22 19:36:32.000000000 -0400 -@@ -862,8 +862,8 @@ unsigned int get_next_ino(void) - - #ifdef CONFIG_SMP - if (unlikely((res & (LAST_INO_BATCH-1)) == 0)) { -- static atomic_t shared_last_ino; -- int next = atomic_add_return(LAST_INO_BATCH, &shared_last_ino); -+ static atomic_unchecked_t shared_last_ino; -+ int next = atomic_add_return_unchecked(LAST_INO_BATCH, &shared_last_ino); - - res = next - LAST_INO_BATCH; - } -diff -urNp linux-2.6.39.3/fs/jbd/checkpoint.c linux-2.6.39.3/fs/jbd/checkpoint.c ---- linux-2.6.39.3/fs/jbd/checkpoint.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/jbd/checkpoint.c 2011-05-22 19:36:32.000000000 -0400 -@@ -350,6 +350,8 @@ int log_do_checkpoint(journal_t *journal - tid_t this_tid; - int result; - -+ pax_track_stack(); -+ - jbd_debug(1, "Start checkpoint\n"); - - /* -diff -urNp linux-2.6.39.3/fs/jffs2/compr_rtime.c linux-2.6.39.3/fs/jffs2/compr_rtime.c ---- linux-2.6.39.3/fs/jffs2/compr_rtime.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/jffs2/compr_rtime.c 2011-05-22 19:36:32.000000000 -0400 -@@ -37,6 +37,8 @@ static int jffs2_rtime_compress(unsigned - int outpos = 0; - int pos=0; - -+ pax_track_stack(); -+ - memset(positions,0,sizeof(positions)); - - while (pos < (*sourcelen) && outpos <= (*dstlen)-2) { -@@ -78,6 +80,8 @@ static int jffs2_rtime_decompress(unsign - int outpos = 0; - int pos=0; - -+ pax_track_stack(); -+ - memset(positions,0,sizeof(positions)); - - while (outpos<destlen) { -diff -urNp linux-2.6.39.3/fs/jffs2/compr_rubin.c linux-2.6.39.3/fs/jffs2/compr_rubin.c ---- linux-2.6.39.3/fs/jffs2/compr_rubin.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/jffs2/compr_rubin.c 2011-05-22 19:36:32.000000000 -0400 -@@ -314,6 +314,8 @@ static int jffs2_dynrubin_compress(unsig - int ret; - uint32_t mysrclen, mydstlen; - -+ pax_track_stack(); -+ - mysrclen = *sourcelen; - mydstlen = *dstlen - 8; - -diff -urNp linux-2.6.39.3/fs/jffs2/erase.c linux-2.6.39.3/fs/jffs2/erase.c ---- linux-2.6.39.3/fs/jffs2/erase.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/jffs2/erase.c 2011-05-22 19:36:32.000000000 -0400 -@@ -439,7 +439,8 @@ static void jffs2_mark_erased_block(stru - struct jffs2_unknown_node marker = { - .magic = cpu_to_je16(JFFS2_MAGIC_BITMASK), - .nodetype = cpu_to_je16(JFFS2_NODETYPE_CLEANMARKER), -- .totlen = cpu_to_je32(c->cleanmarker_size) -+ .totlen = cpu_to_je32(c->cleanmarker_size), -+ .hdr_crc = cpu_to_je32(0) - }; - - jffs2_prealloc_raw_node_refs(c, jeb, 1); -diff -urNp linux-2.6.39.3/fs/jffs2/wbuf.c linux-2.6.39.3/fs/jffs2/wbuf.c ---- linux-2.6.39.3/fs/jffs2/wbuf.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/jffs2/wbuf.c 2011-05-22 19:36:32.000000000 -0400 -@@ -1012,7 +1012,8 @@ static const struct jffs2_unknown_node o - { - .magic = constant_cpu_to_je16(JFFS2_MAGIC_BITMASK), - .nodetype = constant_cpu_to_je16(JFFS2_NODETYPE_CLEANMARKER), -- .totlen = constant_cpu_to_je32(8) -+ .totlen = constant_cpu_to_je32(8), -+ .hdr_crc = constant_cpu_to_je32(0) - }; - - /* -diff -urNp linux-2.6.39.3/fs/jffs2/xattr.c linux-2.6.39.3/fs/jffs2/xattr.c ---- linux-2.6.39.3/fs/jffs2/xattr.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/jffs2/xattr.c 2011-05-22 19:36:32.000000000 -0400 -@@ -773,6 +773,8 @@ void jffs2_build_xattr_subsystem(struct - - BUG_ON(!(c->flags & JFFS2_SB_FLAG_BUILDING)); - -+ pax_track_stack(); -+ - /* Phase.1 : Merge same xref */ - for (i=0; i < XREF_TMPHASH_SIZE; i++) - xref_tmphash[i] = NULL; -diff -urNp linux-2.6.39.3/fs/jfs/super.c linux-2.6.39.3/fs/jfs/super.c ---- linux-2.6.39.3/fs/jfs/super.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/jfs/super.c 2011-06-07 18:07:24.000000000 -0400 -@@ -803,7 +803,7 @@ static int __init init_jfs_fs(void) - - jfs_inode_cachep = - kmem_cache_create("jfs_ip", sizeof(struct jfs_inode_info), 0, -- SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD, -+ SLAB_RECLAIM_ACCOUNT|SLAB_MEM_SPREAD|SLAB_USERCOPY, - init_once); - if (jfs_inode_cachep == NULL) - return -ENOMEM; -diff -urNp linux-2.6.39.3/fs/Kconfig.binfmt linux-2.6.39.3/fs/Kconfig.binfmt ---- linux-2.6.39.3/fs/Kconfig.binfmt 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/Kconfig.binfmt 2011-05-22 19:36:32.000000000 -0400 -@@ -86,7 +86,7 @@ config HAVE_AOUT - - config BINFMT_AOUT - tristate "Kernel support for a.out and ECOFF binaries" -- depends on HAVE_AOUT -+ depends on HAVE_AOUT && BROKEN - ---help--- - A.out (Assembler.OUTput) is a set of formats for libraries and - executables used in the earliest versions of UNIX. Linux used -diff -urNp linux-2.6.39.3/fs/libfs.c linux-2.6.39.3/fs/libfs.c ---- linux-2.6.39.3/fs/libfs.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/libfs.c 2011-05-22 19:36:32.000000000 -0400 -@@ -163,6 +163,9 @@ int dcache_readdir(struct file * filp, v - - for (p=q->next; p != &dentry->d_subdirs; p=p->next) { - struct dentry *next; -+ char d_name[sizeof(next->d_iname)]; -+ const unsigned char *name; -+ - next = list_entry(p, struct dentry, d_u.d_child); - spin_lock_nested(&next->d_lock, DENTRY_D_LOCK_NESTED); - if (!simple_positive(next)) { -@@ -172,7 +175,12 @@ int dcache_readdir(struct file * filp, v - - spin_unlock(&next->d_lock); - spin_unlock(&dentry->d_lock); -- if (filldir(dirent, next->d_name.name, -+ name = next->d_name.name; -+ if (name == next->d_iname) { -+ memcpy(d_name, name, next->d_name.len); -+ name = d_name; -+ } -+ if (filldir(dirent, name, - next->d_name.len, filp->f_pos, - next->d_inode->i_ino, - dt_type(next->d_inode)) < 0) -diff -urNp linux-2.6.39.3/fs/lockd/clntproc.c linux-2.6.39.3/fs/lockd/clntproc.c ---- linux-2.6.39.3/fs/lockd/clntproc.c 2011-07-09 09:18:51.000000000 -0400 -+++ linux-2.6.39.3/fs/lockd/clntproc.c 2011-07-09 09:19:18.000000000 -0400 -@@ -36,11 +36,11 @@ static const struct rpc_call_ops nlmclnt - /* - * Cookie counter for NLM requests - */ --static atomic_t nlm_cookie = ATOMIC_INIT(0x1234); -+static atomic_unchecked_t nlm_cookie = ATOMIC_INIT(0x1234); - - void nlmclnt_next_cookie(struct nlm_cookie *c) - { -- u32 cookie = atomic_inc_return(&nlm_cookie); -+ u32 cookie = atomic_inc_return_unchecked(&nlm_cookie); - - memcpy(c->data, &cookie, 4); - c->len=4; -@@ -620,6 +620,8 @@ nlmclnt_reclaim(struct nlm_host *host, s - struct nlm_rqst reqst, *req; - int status; - -+ pax_track_stack(); -+ - req = &reqst; - memset(req, 0, sizeof(*req)); - locks_init_lock(&req->a_args.lock.fl); -diff -urNp linux-2.6.39.3/fs/lockd/svc.c linux-2.6.39.3/fs/lockd/svc.c ---- linux-2.6.39.3/fs/lockd/svc.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/lockd/svc.c 2011-05-22 19:36:32.000000000 -0400 -@@ -41,7 +41,7 @@ - - static struct svc_program nlmsvc_program; - --struct nlmsvc_binding * nlmsvc_ops; -+const struct nlmsvc_binding * nlmsvc_ops; - EXPORT_SYMBOL_GPL(nlmsvc_ops); - - static DEFINE_MUTEX(nlmsvc_mutex); -diff -urNp linux-2.6.39.3/fs/locks.c linux-2.6.39.3/fs/locks.c ---- linux-2.6.39.3/fs/locks.c 2011-07-09 09:18:51.000000000 -0400 -+++ linux-2.6.39.3/fs/locks.c 2011-07-06 19:44:53.000000000 -0400 -@@ -2043,16 +2043,16 @@ void locks_remove_flock(struct file *fil - return; - - if (filp->f_op && filp->f_op->flock) { -- struct file_lock fl = { -+ struct file_lock flock = { - .fl_pid = current->tgid, - .fl_file = filp, - .fl_flags = FL_FLOCK, - .fl_type = F_UNLCK, - .fl_end = OFFSET_MAX, - }; -- filp->f_op->flock(filp, F_SETLKW, &fl); -- if (fl.fl_ops && fl.fl_ops->fl_release_private) -- fl.fl_ops->fl_release_private(&fl); -+ filp->f_op->flock(filp, F_SETLKW, &flock); -+ if (flock.fl_ops && flock.fl_ops->fl_release_private) -+ flock.fl_ops->fl_release_private(&flock); - } - - lock_flocks(); -diff -urNp linux-2.6.39.3/fs/logfs/super.c linux-2.6.39.3/fs/logfs/super.c ---- linux-2.6.39.3/fs/logfs/super.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/logfs/super.c 2011-05-22 19:36:32.000000000 -0400 -@@ -266,6 +266,8 @@ static int logfs_recover_sb(struct super - struct logfs_disk_super _ds1, *ds1 = &_ds1; - int err, valid0, valid1; - -+ pax_track_stack(); -+ - /* read first superblock */ - err = wbuf_read(sb, super->s_sb_ofs[0], sizeof(*ds0), ds0); - if (err) -diff -urNp linux-2.6.39.3/fs/namei.c linux-2.6.39.3/fs/namei.c ---- linux-2.6.39.3/fs/namei.c 2011-06-03 00:04:14.000000000 -0400 -+++ linux-2.6.39.3/fs/namei.c 2011-06-03 00:32:07.000000000 -0400 -@@ -237,20 +237,30 @@ int generic_permission(struct inode *ino - return ret; - - /* -- * Read/write DACs are always overridable. -- * Executable DACs are overridable if at least one exec bit is set. -+ * Searching includes executable on directories, else just read. - */ -- if (!(mask & MAY_EXEC) || execute_ok(inode)) -- if (ns_capable(inode_userns(inode), CAP_DAC_OVERRIDE)) -+ mask &= MAY_READ | MAY_WRITE | MAY_EXEC; -+ if (mask == MAY_READ || (S_ISDIR(inode->i_mode) && !(mask & MAY_WRITE))) { -+#ifdef CONFIG_GRKERNSEC -+ if (flags & IPERM_FLAG_RCU) -+ return -ECHILD; -+#endif -+ if (ns_capable(inode_userns(inode), CAP_DAC_READ_SEARCH)) - return 0; -+ } - - /* -- * Searching includes executable on directories, else just read. -+ * Read/write DACs are always overridable. -+ * Executable DACs are overridable if at least one exec bit is set. - */ -- mask &= MAY_READ | MAY_WRITE | MAY_EXEC; -- if (mask == MAY_READ || (S_ISDIR(inode->i_mode) && !(mask & MAY_WRITE))) -- if (ns_capable(inode_userns(inode), CAP_DAC_READ_SEARCH)) -+ if (!(mask & MAY_EXEC) || execute_ok(inode)) { -+#ifdef CONFIG_GRKERNSEC -+ if (flags & IPERM_FLAG_RCU) -+ return -ECHILD; -+#endif -+ if (ns_capable(inode_userns(inode), CAP_DAC_OVERRIDE)) - return 0; -+ } - - return -EACCES; - } -@@ -626,6 +636,9 @@ static inline int handle_reval_path(stru - struct dentry *dentry = nd->path.dentry; - int status; - -+ if (!(nd->flags & LOOKUP_PARENT) && !gr_acl_handle_hidden_file(nd->path.dentry, nd->path.mnt)) -+ return -ENOENT; -+ - if (likely(!(nd->flags & LOOKUP_JUMPED))) - return 0; - -@@ -671,9 +684,16 @@ static inline int exec_permission(struct - if (ret == -ECHILD) - return ret; - -- if (ns_capable(ns, CAP_DAC_OVERRIDE) || -- ns_capable(ns, CAP_DAC_READ_SEARCH)) -+ if (ns_capable_nolog(ns, CAP_DAC_OVERRIDE)) - goto ok; -+ else { -+#ifdef CONFIG_GRKERNSEC -+ if (flags & IPERM_FLAG_RCU) -+ return -ECHILD; -+#endif -+ if (ns_capable(ns, CAP_DAC_READ_SEARCH) || ns_capable(ns, CAP_DAC_OVERRIDE)) -+ goto ok; -+ } - - return ret; - ok: -@@ -781,11 +801,19 @@ follow_link(struct path *link, struct na - return error; - } - -+ if (gr_handle_follow_link(dentry->d_parent->d_inode, -+ dentry->d_inode, dentry, nd->path.mnt)) { -+ error = -EACCES; -+ *p = ERR_PTR(error); /* no ->put_link(), please */ -+ path_put(&nd->path); -+ return error; -+ } -+ - nd->last_type = LAST_BIND; - *p = dentry->d_inode->i_op->follow_link(dentry, nd); - error = PTR_ERR(*p); - if (!IS_ERR(*p)) { -- char *s = nd_get_link(nd); -+ const char *s = nd_get_link(nd); - error = 0; - if (s) - error = __vfs_follow_link(nd, s); -@@ -1697,6 +1725,9 @@ static int do_path_lookup(int dfd, const - retval = path_lookupat(dfd, name, flags | LOOKUP_REVAL, nd); - - if (likely(!retval)) { -+ if (*name != '/' && nd->path.dentry && nd->inode && !gr_chroot_fchdir(nd->path.dentry, nd->path.mnt)) -+ return -ENOENT; -+ - if (unlikely(!audit_dummy_context())) { - if (nd->path.dentry && nd->inode) - audit_inode(name, nd->path.dentry); -@@ -2007,6 +2038,30 @@ int vfs_create(struct inode *dir, struct - return error; - } - -+/* -+ * Note that while the flag value (low two bits) for sys_open means: -+ * 00 - read-only -+ * 01 - write-only -+ * 10 - read-write -+ * 11 - special -+ * it is changed into -+ * 00 - no permissions needed -+ * 01 - read-permission -+ * 10 - write-permission -+ * 11 - read-write -+ * for the internal routines (ie open_namei()/follow_link() etc) -+ * This is more logical, and also allows the 00 "no perm needed" -+ * to be used for symlinks (where the permissions are checked -+ * later). -+ * -+*/ -+static inline int open_to_namei_flags(int flag) -+{ -+ if ((flag+1) & O_ACCMODE) -+ flag++; -+ return flag; -+} -+ - static int may_open(struct path *path, int acc_mode, int flag) - { - struct dentry *dentry = path->dentry; -@@ -2059,7 +2114,27 @@ static int may_open(struct path *path, i - /* - * Ensure there are no outstanding leases on the file. - */ -- return break_lease(inode, flag); -+ error = break_lease(inode, flag); -+ -+ if (error) -+ return error; -+ -+ if (gr_handle_rofs_blockwrite(dentry, path->mnt, acc_mode)) { -+ error = -EPERM; -+ goto exit; -+ } -+ -+ if (gr_handle_rawio(inode)) { -+ error = -EPERM; -+ goto exit; -+ } -+ -+ if (!gr_acl_handle_open(dentry, path->mnt, open_to_namei_flags(flag))) { -+ error = -EACCES; -+ goto exit; -+ } -+exit: -+ return error; - } - - static int handle_truncate(struct file *filp) -@@ -2085,30 +2160,6 @@ static int handle_truncate(struct file * - } - - /* -- * Note that while the flag value (low two bits) for sys_open means: -- * 00 - read-only -- * 01 - write-only -- * 10 - read-write -- * 11 - special -- * it is changed into -- * 00 - no permissions needed -- * 01 - read-permission -- * 10 - write-permission -- * 11 - read-write -- * for the internal routines (ie open_namei()/follow_link() etc) -- * This is more logical, and also allows the 00 "no perm needed" -- * to be used for symlinks (where the permissions are checked -- * later). -- * --*/ --static inline int open_to_namei_flags(int flag) --{ -- if ((flag+1) & O_ACCMODE) -- flag++; -- return flag; --} -- --/* - * Handle the last step of open() - */ - static struct file *do_last(struct nameidata *nd, struct path *path, -@@ -2117,6 +2168,7 @@ static struct file *do_last(struct namei - struct dentry *dir = nd->path.dentry; - struct dentry *dentry; - int open_flag = op->open_flag; -+ int flag = open_to_namei_flags(open_flag); - int will_truncate = open_flag & O_TRUNC; - int want_write = 0; - int acc_mode = op->acc_mode; -@@ -2212,6 +2264,12 @@ static struct file *do_last(struct namei - /* Negative dentry, just create the file */ - if (!dentry->d_inode) { - int mode = op->mode; -+ -+ if (!gr_acl_handle_creat(path->dentry, nd->path.dentry, path->mnt, flag, mode)) { -+ error = -EACCES; -+ goto exit_mutex_unlock; -+ } -+ - if (!IS_POSIXACL(dir->d_inode)) - mode &= ~current_umask(); - /* -@@ -2235,6 +2293,8 @@ static struct file *do_last(struct namei - error = vfs_create(dir->d_inode, dentry, mode, nd); - if (error) - goto exit_mutex_unlock; -+ else -+ gr_handle_create(path->dentry, path->mnt); - mutex_unlock(&dir->d_inode->i_mutex); - dput(nd->path.dentry); - nd->path.dentry = dentry; -@@ -2244,6 +2304,14 @@ static struct file *do_last(struct namei - /* - * It already exists. - */ -+ -+ /* only check if O_CREAT is specified, all other checks need to go -+ into may_open */ -+ if (gr_handle_fifo(path->dentry, path->mnt, dir, flag, acc_mode)) { -+ error = -EACCES; -+ goto exit_mutex_unlock; -+ } -+ - mutex_unlock(&dir->d_inode->i_mutex); - audit_inode(pathname, path->dentry); - -@@ -2530,6 +2598,17 @@ SYSCALL_DEFINE4(mknodat, int, dfd, const - error = may_mknod(mode); - if (error) - goto out_dput; -+ -+ if (gr_handle_chroot_mknod(dentry, nd.path.mnt, mode)) { -+ error = -EPERM; -+ goto out_dput; -+ } -+ -+ if (!gr_acl_handle_mknod(dentry, nd.path.dentry, nd.path.mnt, mode)) { -+ error = -EACCES; -+ goto out_dput; -+ } -+ - error = mnt_want_write(nd.path.mnt); - if (error) - goto out_dput; -@@ -2550,6 +2629,9 @@ SYSCALL_DEFINE4(mknodat, int, dfd, const - } - out_drop_write: - mnt_drop_write(nd.path.mnt); -+ -+ if (!error) -+ gr_handle_create(dentry, nd.path.mnt); - out_dput: - dput(dentry); - out_unlock: -@@ -2602,6 +2684,11 @@ SYSCALL_DEFINE3(mkdirat, int, dfd, const - if (IS_ERR(dentry)) - goto out_unlock; - -+ if (!gr_acl_handle_mkdir(dentry, nd.path.dentry, nd.path.mnt)) { -+ error = -EACCES; -+ goto out_dput; -+ } -+ - if (!IS_POSIXACL(nd.path.dentry->d_inode)) - mode &= ~current_umask(); - error = mnt_want_write(nd.path.mnt); -@@ -2613,6 +2700,10 @@ SYSCALL_DEFINE3(mkdirat, int, dfd, const - error = vfs_mkdir(nd.path.dentry->d_inode, dentry, mode); - out_drop_write: - mnt_drop_write(nd.path.mnt); -+ -+ if (!error) -+ gr_handle_create(dentry, nd.path.mnt); -+ - out_dput: - dput(dentry); - out_unlock: -@@ -2692,6 +2783,8 @@ static long do_rmdir(int dfd, const char - char * name; - struct dentry *dentry; - struct nameidata nd; -+ ino_t saved_ino = 0; -+ dev_t saved_dev = 0; - - error = user_path_parent(dfd, pathname, &nd, &name); - if (error) -@@ -2716,6 +2809,19 @@ static long do_rmdir(int dfd, const char - error = PTR_ERR(dentry); - if (IS_ERR(dentry)) - goto exit2; -+ -+ if (dentry->d_inode != NULL) { -+ if (dentry->d_inode->i_nlink <= 1) { -+ saved_ino = dentry->d_inode->i_ino; -+ saved_dev = gr_get_dev_from_dentry(dentry); -+ } -+ -+ if (!gr_acl_handle_rmdir(dentry, nd.path.mnt)) { -+ error = -EACCES; -+ goto exit3; -+ } -+ } -+ - error = mnt_want_write(nd.path.mnt); - if (error) - goto exit3; -@@ -2723,6 +2829,8 @@ static long do_rmdir(int dfd, const char - if (error) - goto exit4; - error = vfs_rmdir(nd.path.dentry->d_inode, dentry); -+ if (!error && (saved_dev || saved_ino)) -+ gr_handle_delete(saved_ino, saved_dev); - exit4: - mnt_drop_write(nd.path.mnt); - exit3: -@@ -2785,6 +2893,8 @@ static long do_unlinkat(int dfd, const c - struct dentry *dentry; - struct nameidata nd; - struct inode *inode = NULL; -+ ino_t saved_ino = 0; -+ dev_t saved_dev = 0; - - error = user_path_parent(dfd, pathname, &nd, &name); - if (error) -@@ -2804,8 +2914,17 @@ static long do_unlinkat(int dfd, const c - if (nd.last.name[nd.last.len]) - goto slashes; - inode = dentry->d_inode; -- if (inode) -+ if (inode) { - ihold(inode); -+ if (inode->i_nlink <= 1) { -+ saved_ino = inode->i_ino; -+ saved_dev = gr_get_dev_from_dentry(dentry); -+ } -+ if (!gr_acl_handle_unlink(dentry, nd.path.mnt)) { -+ error = -EACCES; -+ goto exit2; -+ } -+ } - error = mnt_want_write(nd.path.mnt); - if (error) - goto exit2; -@@ -2813,6 +2932,8 @@ static long do_unlinkat(int dfd, const c - if (error) - goto exit3; - error = vfs_unlink(nd.path.dentry->d_inode, dentry); -+ if (!error && (saved_ino || saved_dev)) -+ gr_handle_delete(saved_ino, saved_dev); - exit3: - mnt_drop_write(nd.path.mnt); - exit2: -@@ -2890,6 +3011,11 @@ SYSCALL_DEFINE3(symlinkat, const char __ - if (IS_ERR(dentry)) - goto out_unlock; - -+ if (!gr_acl_handle_symlink(dentry, nd.path.dentry, nd.path.mnt, from)) { -+ error = -EACCES; -+ goto out_dput; -+ } -+ - error = mnt_want_write(nd.path.mnt); - if (error) - goto out_dput; -@@ -2897,6 +3023,8 @@ SYSCALL_DEFINE3(symlinkat, const char __ - if (error) - goto out_drop_write; - error = vfs_symlink(nd.path.dentry->d_inode, dentry, from); -+ if (!error) -+ gr_handle_create(dentry, nd.path.mnt); - out_drop_write: - mnt_drop_write(nd.path.mnt); - out_dput: -@@ -3005,6 +3133,20 @@ SYSCALL_DEFINE5(linkat, int, olddfd, con - error = PTR_ERR(new_dentry); - if (IS_ERR(new_dentry)) - goto out_unlock; -+ -+ if (gr_handle_hardlink(old_path.dentry, old_path.mnt, -+ old_path.dentry->d_inode, -+ old_path.dentry->d_inode->i_mode, to)) { -+ error = -EACCES; -+ goto out_dput; -+ } -+ -+ if (!gr_acl_handle_link(new_dentry, nd.path.dentry, nd.path.mnt, -+ old_path.dentry, old_path.mnt, to)) { -+ error = -EACCES; -+ goto out_dput; -+ } -+ - error = mnt_want_write(nd.path.mnt); - if (error) - goto out_dput; -@@ -3012,6 +3154,8 @@ SYSCALL_DEFINE5(linkat, int, olddfd, con - if (error) - goto out_drop_write; - error = vfs_link(old_path.dentry, nd.path.dentry->d_inode, new_dentry); -+ if (!error) -+ gr_handle_create(new_dentry, nd.path.mnt); - out_drop_write: - mnt_drop_write(nd.path.mnt); - out_dput: -@@ -3189,6 +3333,8 @@ SYSCALL_DEFINE4(renameat, int, olddfd, c - char *to; - int error; - -+ pax_track_stack(); -+ - error = user_path_parent(olddfd, oldname, &oldnd, &from); - if (error) - goto exit; -@@ -3245,6 +3391,12 @@ SYSCALL_DEFINE4(renameat, int, olddfd, c - if (new_dentry == trap) - goto exit5; - -+ error = gr_acl_handle_rename(new_dentry, new_dir, newnd.path.mnt, -+ old_dentry, old_dir->d_inode, oldnd.path.mnt, -+ to); -+ if (error) -+ goto exit5; -+ - error = mnt_want_write(oldnd.path.mnt); - if (error) - goto exit5; -@@ -3254,6 +3406,9 @@ SYSCALL_DEFINE4(renameat, int, olddfd, c - goto exit6; - error = vfs_rename(old_dir->d_inode, old_dentry, - new_dir->d_inode, new_dentry); -+ if (!error) -+ gr_handle_rename(old_dir->d_inode, new_dir->d_inode, old_dentry, -+ new_dentry, oldnd.path.mnt, new_dentry->d_inode ? 1 : 0); - exit6: - mnt_drop_write(oldnd.path.mnt); - exit5: -@@ -3279,6 +3434,8 @@ SYSCALL_DEFINE2(rename, const char __use - - int vfs_readlink(struct dentry *dentry, char __user *buffer, int buflen, const char *link) - { -+ char tmpbuf[64]; -+ const char *newlink; - int len; - - len = PTR_ERR(link); -@@ -3288,7 +3445,14 @@ int vfs_readlink(struct dentry *dentry, - len = strlen(link); - if (len > (unsigned) buflen) - len = buflen; -- if (copy_to_user(buffer, link, len)) -+ -+ if (len < sizeof(tmpbuf)) { -+ memcpy(tmpbuf, link, len); -+ newlink = tmpbuf; -+ } else -+ newlink = link; -+ -+ if (copy_to_user(buffer, newlink, len)) - len = -EFAULT; - out: - return len; -diff -urNp linux-2.6.39.3/fs/namespace.c linux-2.6.39.3/fs/namespace.c ---- linux-2.6.39.3/fs/namespace.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/namespace.c 2011-05-22 20:43:58.000000000 -0400 -@@ -1328,6 +1328,9 @@ static int do_umount(struct vfsmount *mn - if (!(sb->s_flags & MS_RDONLY)) - retval = do_remount_sb(sb, MS_RDONLY, NULL, 0); - up_write(&sb->s_umount); -+ -+ gr_log_remount(mnt->mnt_devname, retval); -+ - return retval; - } - -@@ -1347,6 +1350,9 @@ static int do_umount(struct vfsmount *mn - br_write_unlock(vfsmount_lock); - up_write(&namespace_sem); - release_mounts(&umount_list); -+ -+ gr_log_unmount(mnt->mnt_devname, retval); -+ - return retval; - } - -@@ -2338,6 +2344,16 @@ long do_mount(char *dev_name, char *dir_ - MS_NOATIME | MS_NODIRATIME | MS_RELATIME| MS_KERNMOUNT | - MS_STRICTATIME); - -+ if (gr_handle_rofs_mount(path.dentry, path.mnt, mnt_flags)) { -+ retval = -EPERM; -+ goto dput_out; -+ } -+ -+ if (gr_handle_chroot_mount(path.dentry, path.mnt, dev_name)) { -+ retval = -EPERM; -+ goto dput_out; -+ } -+ - if (flags & MS_REMOUNT) - retval = do_remount(&path, flags & ~MS_REMOUNT, mnt_flags, - data_page); -@@ -2352,6 +2368,9 @@ long do_mount(char *dev_name, char *dir_ - dev_name, data_page); - dput_out: - path_put(&path); -+ -+ gr_log_mount(dev_name, dir_name, retval); -+ - return retval; - } - -@@ -2575,6 +2594,11 @@ SYSCALL_DEFINE2(pivot_root, const char _ - if (error) - goto out2; - -+ if (gr_handle_chroot_pivot()) { -+ error = -EPERM; -+ goto out2; -+ } -+ - get_fs_root(current->fs, &root); - error = lock_mount(&old); - if (error) -diff -urNp linux-2.6.39.3/fs/ncpfs/dir.c linux-2.6.39.3/fs/ncpfs/dir.c ---- linux-2.6.39.3/fs/ncpfs/dir.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/ncpfs/dir.c 2011-05-22 19:36:32.000000000 -0400 -@@ -299,6 +299,8 @@ ncp_lookup_validate(struct dentry *dentr - int res, val = 0, len; - __u8 __name[NCP_MAXPATHLEN + 1]; - -+ pax_track_stack(); -+ - if (dentry == dentry->d_sb->s_root) - return 1; - -@@ -844,6 +846,8 @@ static struct dentry *ncp_lookup(struct - int error, res, len; - __u8 __name[NCP_MAXPATHLEN + 1]; - -+ pax_track_stack(); -+ - error = -EIO; - if (!ncp_conn_valid(server)) - goto finished; -@@ -931,6 +935,8 @@ int ncp_create_new(struct inode *dir, st - PPRINTK("ncp_create_new: creating %s/%s, mode=%x\n", - dentry->d_parent->d_name.name, dentry->d_name.name, mode); - -+ pax_track_stack(); -+ - ncp_age_dentry(server, dentry); - len = sizeof(__name); - error = ncp_io2vol(server, __name, &len, dentry->d_name.name, -@@ -992,6 +998,8 @@ static int ncp_mkdir(struct inode *dir, - int error, len; - __u8 __name[NCP_MAXPATHLEN + 1]; - -+ pax_track_stack(); -+ - DPRINTK("ncp_mkdir: making %s/%s\n", - dentry->d_parent->d_name.name, dentry->d_name.name); - -@@ -1135,6 +1143,8 @@ static int ncp_rename(struct inode *old_ - int old_len, new_len; - __u8 __old_name[NCP_MAXPATHLEN + 1], __new_name[NCP_MAXPATHLEN + 1]; - -+ pax_track_stack(); -+ - DPRINTK("ncp_rename: %s/%s to %s/%s\n", - old_dentry->d_parent->d_name.name, old_dentry->d_name.name, - new_dentry->d_parent->d_name.name, new_dentry->d_name.name); -diff -urNp linux-2.6.39.3/fs/ncpfs/inode.c linux-2.6.39.3/fs/ncpfs/inode.c ---- linux-2.6.39.3/fs/ncpfs/inode.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/ncpfs/inode.c 2011-05-22 19:36:32.000000000 -0400 -@@ -461,6 +461,8 @@ static int ncp_fill_super(struct super_b - #endif - struct ncp_entry_info finfo; - -+ pax_track_stack(); -+ - data.wdog_pid = NULL; - server = kzalloc(sizeof(struct ncp_server), GFP_KERNEL); - if (!server) -diff -urNp linux-2.6.39.3/fs/nfs/inode.c linux-2.6.39.3/fs/nfs/inode.c ---- linux-2.6.39.3/fs/nfs/inode.c 2011-07-09 09:18:51.000000000 -0400 -+++ linux-2.6.39.3/fs/nfs/inode.c 2011-07-09 09:19:24.000000000 -0400 -@@ -150,7 +150,7 @@ static void nfs_zap_caches_locked(struct - nfsi->attrtimeo = NFS_MINATTRTIMEO(inode); - nfsi->attrtimeo_timestamp = jiffies; - -- memset(NFS_COOKIEVERF(inode), 0, sizeof(NFS_COOKIEVERF(inode))); -+ memset(NFS_COOKIEVERF(inode), 0, sizeof(NFS_I(inode)->cookieverf)); - if (S_ISREG(mode) || S_ISDIR(mode) || S_ISLNK(mode)) - nfsi->cache_validity |= NFS_INO_INVALID_ATTR|NFS_INO_INVALID_DATA|NFS_INO_INVALID_ACCESS|NFS_INO_INVALID_ACL|NFS_INO_REVAL_PAGECACHE; - else -@@ -1000,16 +1000,16 @@ static int nfs_size_need_update(const st - return nfs_size_to_loff_t(fattr->size) > i_size_read(inode); - } - --static atomic_long_t nfs_attr_generation_counter; -+static atomic_long_unchecked_t nfs_attr_generation_counter; - - static unsigned long nfs_read_attr_generation_counter(void) - { -- return atomic_long_read(&nfs_attr_generation_counter); -+ return atomic_long_read_unchecked(&nfs_attr_generation_counter); - } - - unsigned long nfs_inc_attr_generation_counter(void) - { -- return atomic_long_inc_return(&nfs_attr_generation_counter); -+ return atomic_long_inc_return_unchecked(&nfs_attr_generation_counter); - } - - void nfs_fattr_init(struct nfs_fattr *fattr) -diff -urNp linux-2.6.39.3/fs/nfs/nfs4proc.c linux-2.6.39.3/fs/nfs/nfs4proc.c ---- linux-2.6.39.3/fs/nfs/nfs4proc.c 2011-07-09 09:18:51.000000000 -0400 -+++ linux-2.6.39.3/fs/nfs/nfs4proc.c 2011-07-09 09:19:24.000000000 -0400 -@@ -5858,14 +5858,14 @@ struct nfs4_state_recovery_ops nfs41_nog - }; - #endif /* CONFIG_NFS_V4_1 */ - --struct nfs4_state_maintenance_ops nfs40_state_renewal_ops = { -+const struct nfs4_state_maintenance_ops nfs40_state_renewal_ops = { - .sched_state_renewal = nfs4_proc_async_renew, - .get_state_renewal_cred_locked = nfs4_get_renew_cred_locked, - .renew_lease = nfs4_proc_renew, - }; - - #if defined(CONFIG_NFS_V4_1) --struct nfs4_state_maintenance_ops nfs41_state_renewal_ops = { -+const struct nfs4_state_maintenance_ops nfs41_state_renewal_ops = { - .sched_state_renewal = nfs41_proc_async_sequence, - .get_state_renewal_cred_locked = nfs4_get_machine_cred_locked, - .renew_lease = nfs4_proc_sequence, -diff -urNp linux-2.6.39.3/fs/nfsd/lockd.c linux-2.6.39.3/fs/nfsd/lockd.c ---- linux-2.6.39.3/fs/nfsd/lockd.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/nfsd/lockd.c 2011-05-22 19:36:32.000000000 -0400 -@@ -60,7 +60,7 @@ nlm_fclose(struct file *filp) - fput(filp); - } - --static struct nlmsvc_binding nfsd_nlm_ops = { -+static const struct nlmsvc_binding nfsd_nlm_ops = { - .fopen = nlm_fopen, /* open file for locking */ - .fclose = nlm_fclose, /* close file */ - }; -diff -urNp linux-2.6.39.3/fs/nfsd/nfs4state.c linux-2.6.39.3/fs/nfsd/nfs4state.c ---- linux-2.6.39.3/fs/nfsd/nfs4state.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/nfsd/nfs4state.c 2011-05-22 19:36:32.000000000 -0400 -@@ -3784,6 +3784,8 @@ nfsd4_lock(struct svc_rqst *rqstp, struc - unsigned int strhashval; - int err; - -+ pax_track_stack(); -+ - dprintk("NFSD: nfsd4_lock: start=%Ld length=%Ld\n", - (long long) lock->lk_offset, - (long long) lock->lk_length); -diff -urNp linux-2.6.39.3/fs/nfsd/nfs4xdr.c linux-2.6.39.3/fs/nfsd/nfs4xdr.c ---- linux-2.6.39.3/fs/nfsd/nfs4xdr.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/nfsd/nfs4xdr.c 2011-05-22 19:36:32.000000000 -0400 -@@ -1793,6 +1793,8 @@ nfsd4_encode_fattr(struct svc_fh *fhp, s - .dentry = dentry, - }; - -+ pax_track_stack(); -+ - BUG_ON(bmval1 & NFSD_WRITEONLY_ATTRS_WORD1); - BUG_ON(bmval0 & ~nfsd_suppattrs0(minorversion)); - BUG_ON(bmval1 & ~nfsd_suppattrs1(minorversion)); -diff -urNp linux-2.6.39.3/fs/nfsd/nfsctl.c linux-2.6.39.3/fs/nfsd/nfsctl.c ---- linux-2.6.39.3/fs/nfsd/nfsctl.c 2011-07-09 09:18:51.000000000 -0400 -+++ linux-2.6.39.3/fs/nfsd/nfsctl.c 2011-07-09 09:19:24.000000000 -0400 -@@ -183,7 +183,7 @@ static int export_features_open(struct i - return single_open(file, export_features_show, NULL); - } - --static struct file_operations export_features_operations = { -+static const struct file_operations export_features_operations = { - .open = export_features_open, - .read = seq_read, - .llseek = seq_lseek, -diff -urNp linux-2.6.39.3/fs/nfsd/vfs.c linux-2.6.39.3/fs/nfsd/vfs.c ---- linux-2.6.39.3/fs/nfsd/vfs.c 2011-07-09 09:18:51.000000000 -0400 -+++ linux-2.6.39.3/fs/nfsd/vfs.c 2011-07-09 09:19:24.000000000 -0400 -@@ -901,7 +901,7 @@ nfsd_vfs_read(struct svc_rqst *rqstp, st - } else { - oldfs = get_fs(); - set_fs(KERNEL_DS); -- host_err = vfs_readv(file, (struct iovec __user *)vec, vlen, &offset); -+ host_err = vfs_readv(file, (__force struct iovec __user *)vec, vlen, &offset); - set_fs(oldfs); - } - -@@ -1005,7 +1005,7 @@ nfsd_vfs_write(struct svc_rqst *rqstp, s - - /* Write the data. */ - oldfs = get_fs(); set_fs(KERNEL_DS); -- host_err = vfs_writev(file, (struct iovec __user *)vec, vlen, &offset); -+ host_err = vfs_writev(file, (__force struct iovec __user *)vec, vlen, &offset); - set_fs(oldfs); - if (host_err < 0) - goto out_nfserr; -@@ -1528,7 +1528,7 @@ nfsd_readlink(struct svc_rqst *rqstp, st - */ - - oldfs = get_fs(); set_fs(KERNEL_DS); -- host_err = inode->i_op->readlink(dentry, buf, *lenp); -+ host_err = inode->i_op->readlink(dentry, (__force char __user *)buf, *lenp); - set_fs(oldfs); - - if (host_err < 0) -diff -urNp linux-2.6.39.3/fs/nilfs2/segment.c linux-2.6.39.3/fs/nilfs2/segment.c ---- linux-2.6.39.3/fs/nilfs2/segment.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/nilfs2/segment.c 2011-05-22 19:36:32.000000000 -0400 -@@ -555,7 +555,7 @@ static void nilfs_write_file_node_binfo( - *vblocknr = binfo->bi_v.bi_vblocknr; - } - --static struct nilfs_sc_operations nilfs_sc_file_ops = { -+static const struct nilfs_sc_operations nilfs_sc_file_ops = { - .collect_data = nilfs_collect_file_data, - .collect_node = nilfs_collect_file_node, - .collect_bmap = nilfs_collect_file_bmap, -@@ -604,7 +604,7 @@ static void nilfs_write_dat_node_binfo(s - *binfo_dat = binfo->bi_dat; - } - --static struct nilfs_sc_operations nilfs_sc_dat_ops = { -+static const struct nilfs_sc_operations nilfs_sc_dat_ops = { - .collect_data = nilfs_collect_dat_data, - .collect_node = nilfs_collect_file_node, - .collect_bmap = nilfs_collect_dat_bmap, -@@ -612,7 +612,7 @@ static struct nilfs_sc_operations nilfs_ - .write_node_binfo = nilfs_write_dat_node_binfo, - }; - --static struct nilfs_sc_operations nilfs_sc_dsync_ops = { -+static const struct nilfs_sc_operations nilfs_sc_dsync_ops = { - .collect_data = nilfs_collect_file_data, - .collect_node = NULL, - .collect_bmap = NULL, -@@ -971,7 +971,7 @@ static size_t nilfs_segctor_buffer_rest( - - static int nilfs_segctor_scan_file(struct nilfs_sc_info *sci, - struct inode *inode, -- struct nilfs_sc_operations *sc_ops) -+ const struct nilfs_sc_operations *sc_ops) - { - LIST_HEAD(data_buffers); - LIST_HEAD(node_buffers); -@@ -1475,7 +1475,7 @@ nilfs_segctor_update_payload_blocknr(str - sector_t blocknr; - unsigned long nfinfo = segbuf->sb_sum.nfinfo; - unsigned long nblocks = 0, ndatablk = 0; -- struct nilfs_sc_operations *sc_op = NULL; -+ const struct nilfs_sc_operations *sc_op = NULL; - struct nilfs_segsum_pointer ssp; - struct nilfs_finfo *finfo = NULL; - union nilfs_binfo binfo; -diff -urNp linux-2.6.39.3/fs/notify/dnotify/dnotify.c linux-2.6.39.3/fs/notify/dnotify/dnotify.c ---- linux-2.6.39.3/fs/notify/dnotify/dnotify.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/notify/dnotify/dnotify.c 2011-05-22 19:36:32.000000000 -0400 -@@ -151,7 +151,7 @@ static void dnotify_free_mark(struct fsn - kmem_cache_free(dnotify_mark_cache, dn_mark); - } - --static struct fsnotify_ops dnotify_fsnotify_ops = { -+static const struct fsnotify_ops dnotify_fsnotify_ops = { - .handle_event = dnotify_handle_event, - .should_send_event = dnotify_should_send_event, - .free_group_priv = NULL, -diff -urNp linux-2.6.39.3/fs/notify/notification.c linux-2.6.39.3/fs/notify/notification.c ---- linux-2.6.39.3/fs/notify/notification.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/notify/notification.c 2011-05-22 19:36:32.000000000 -0400 -@@ -57,7 +57,7 @@ static struct kmem_cache *fsnotify_event - * get set to 0 so it will never get 'freed' - */ - static struct fsnotify_event *q_overflow_event; --static atomic_t fsnotify_sync_cookie = ATOMIC_INIT(0); -+static atomic_unchecked_t fsnotify_sync_cookie = ATOMIC_INIT(0); - - /** - * fsnotify_get_cookie - return a unique cookie for use in synchronizing events. -@@ -65,7 +65,7 @@ static atomic_t fsnotify_sync_cookie = A - */ - u32 fsnotify_get_cookie(void) - { -- return atomic_inc_return(&fsnotify_sync_cookie); -+ return atomic_inc_return_unchecked(&fsnotify_sync_cookie); - } - EXPORT_SYMBOL_GPL(fsnotify_get_cookie); - -diff -urNp linux-2.6.39.3/fs/ntfs/dir.c linux-2.6.39.3/fs/ntfs/dir.c ---- linux-2.6.39.3/fs/ntfs/dir.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/ntfs/dir.c 2011-05-22 19:36:32.000000000 -0400 -@@ -1329,7 +1329,7 @@ find_next_index_buffer: - ia = (INDEX_ALLOCATION*)(kaddr + (ia_pos & ~PAGE_CACHE_MASK & - ~(s64)(ndir->itype.index.block_size - 1))); - /* Bounds checks. */ -- if (unlikely((u8*)ia < kaddr || (u8*)ia > kaddr + PAGE_CACHE_SIZE)) { -+ if (unlikely(!kaddr || (u8*)ia < kaddr || (u8*)ia > kaddr + PAGE_CACHE_SIZE)) { - ntfs_error(sb, "Out of bounds check failed. Corrupt directory " - "inode 0x%lx or driver bug.", vdir->i_ino); - goto err_out; -diff -urNp linux-2.6.39.3/fs/ntfs/file.c linux-2.6.39.3/fs/ntfs/file.c ---- linux-2.6.39.3/fs/ntfs/file.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/ntfs/file.c 2011-05-22 19:36:32.000000000 -0400 -@@ -2222,6 +2222,6 @@ const struct inode_operations ntfs_file_ - #endif /* NTFS_RW */ - }; - --const struct file_operations ntfs_empty_file_ops = {}; -+const struct file_operations ntfs_empty_file_ops __read_only; - --const struct inode_operations ntfs_empty_inode_ops = {}; -+const struct inode_operations ntfs_empty_inode_ops __read_only; -diff -urNp linux-2.6.39.3/fs/ocfs2/cluster/heartbeat.c linux-2.6.39.3/fs/ocfs2/cluster/heartbeat.c ---- linux-2.6.39.3/fs/ocfs2/cluster/heartbeat.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/ocfs2/cluster/heartbeat.c 2011-05-22 19:36:32.000000000 -0400 -@@ -2261,7 +2261,7 @@ static struct configfs_item_operations o - .store_attribute = o2hb_heartbeat_group_store, - }; - --static struct configfs_group_operations o2hb_heartbeat_group_group_ops = { -+static const struct configfs_group_operations o2hb_heartbeat_group_group_ops = { - .make_item = o2hb_heartbeat_group_make_item, - .drop_item = o2hb_heartbeat_group_drop_item, - }; -diff -urNp linux-2.6.39.3/fs/ocfs2/cluster/nodemanager.c linux-2.6.39.3/fs/ocfs2/cluster/nodemanager.c ---- linux-2.6.39.3/fs/ocfs2/cluster/nodemanager.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/ocfs2/cluster/nodemanager.c 2011-05-22 19:36:32.000000000 -0400 -@@ -752,7 +752,7 @@ static void o2nm_node_group_drop_item(st - config_item_put(item); - } - --static struct configfs_group_operations o2nm_node_group_group_ops = { -+static const struct configfs_group_operations o2nm_node_group_group_ops = { - .make_item = o2nm_node_group_make_item, - .drop_item = o2nm_node_group_drop_item, - }; -@@ -869,7 +869,7 @@ static void o2nm_cluster_group_drop_item - config_item_put(item); - } - --static struct configfs_group_operations o2nm_cluster_group_group_ops = { -+static const struct configfs_group_operations o2nm_cluster_group_group_ops = { - .make_group = o2nm_cluster_group_make_group, - .drop_item = o2nm_cluster_group_drop_item, - }; -diff -urNp linux-2.6.39.3/fs/ocfs2/localalloc.c linux-2.6.39.3/fs/ocfs2/localalloc.c ---- linux-2.6.39.3/fs/ocfs2/localalloc.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/ocfs2/localalloc.c 2011-05-22 19:36:32.000000000 -0400 -@@ -1283,7 +1283,7 @@ static int ocfs2_local_alloc_slide_windo - goto bail; - } - -- atomic_inc(&osb->alloc_stats.moves); -+ atomic_inc_unchecked(&osb->alloc_stats.moves); - - bail: - if (handle) -diff -urNp linux-2.6.39.3/fs/ocfs2/namei.c linux-2.6.39.3/fs/ocfs2/namei.c ---- linux-2.6.39.3/fs/ocfs2/namei.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/ocfs2/namei.c 2011-05-22 19:36:32.000000000 -0400 -@@ -1063,6 +1063,8 @@ static int ocfs2_rename(struct inode *ol - struct ocfs2_dir_lookup_result orphan_insert = { NULL, }; - struct ocfs2_dir_lookup_result target_insert = { NULL, }; - -+ pax_track_stack(); -+ - /* At some point it might be nice to break this function up a - * bit. */ - -diff -urNp linux-2.6.39.3/fs/ocfs2/ocfs2.h linux-2.6.39.3/fs/ocfs2/ocfs2.h ---- linux-2.6.39.3/fs/ocfs2/ocfs2.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/ocfs2/ocfs2.h 2011-05-22 19:36:32.000000000 -0400 -@@ -235,11 +235,11 @@ enum ocfs2_vol_state - - struct ocfs2_alloc_stats - { -- atomic_t moves; -- atomic_t local_data; -- atomic_t bitmap_data; -- atomic_t bg_allocs; -- atomic_t bg_extends; -+ atomic_unchecked_t moves; -+ atomic_unchecked_t local_data; -+ atomic_unchecked_t bitmap_data; -+ atomic_unchecked_t bg_allocs; -+ atomic_unchecked_t bg_extends; - }; - - enum ocfs2_local_alloc_state -diff -urNp linux-2.6.39.3/fs/ocfs2/stackglue.h linux-2.6.39.3/fs/ocfs2/stackglue.h ---- linux-2.6.39.3/fs/ocfs2/stackglue.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/ocfs2/stackglue.h 2011-05-22 19:36:32.000000000 -0400 -@@ -221,13 +221,13 @@ struct ocfs2_stack_operations { - }; - - /* -- * Each stack plugin must describe itself by registering a -+ * Each stack plugin must describe itself by registerin const g a - * ocfs2_stack_plugin structure. This is only seen by stackglue and the - * stack driver. - */ - struct ocfs2_stack_plugin { - char *sp_name; -- struct ocfs2_stack_operations *sp_ops; -+ const struct ocfs2_stack_operations *sp_ops; - struct module *sp_owner; - - /* These are managed by the stackglue code. */ -diff -urNp linux-2.6.39.3/fs/ocfs2/stack_o2cb.c linux-2.6.39.3/fs/ocfs2/stack_o2cb.c ---- linux-2.6.39.3/fs/ocfs2/stack_o2cb.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/ocfs2/stack_o2cb.c 2011-06-07 18:07:24.000000000 -0400 -@@ -358,7 +358,7 @@ static int o2cb_cluster_this_node(unsign - return 0; - } - --static struct ocfs2_stack_operations o2cb_stack_ops = { -+static const struct ocfs2_stack_operations o2cb_stack_ops = { - .connect = o2cb_cluster_connect, - .disconnect = o2cb_cluster_disconnect, - .this_node = o2cb_cluster_this_node, -diff -urNp linux-2.6.39.3/fs/ocfs2/stack_user.c linux-2.6.39.3/fs/ocfs2/stack_user.c ---- linux-2.6.39.3/fs/ocfs2/stack_user.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/ocfs2/stack_user.c 2011-05-22 19:36:32.000000000 -0400 -@@ -399,7 +399,7 @@ static int ocfs2_control_do_setversion_m - long major, minor; - char *ptr = NULL; - struct ocfs2_control_private *p = file->private_data; -- struct ocfs2_protocol_version *max = -+ const struct ocfs2_protocol_version *max = - &ocfs2_user_plugin.sp_max_proto; - - if (ocfs2_control_get_handshake_state(file) != -@@ -861,7 +861,7 @@ static int user_cluster_this_node(unsign - return 0; - } - --static struct ocfs2_stack_operations ocfs2_user_plugin_ops = { -+static const struct ocfs2_stack_operations ocfs2_user_plugin_ops = { - .connect = user_cluster_connect, - .disconnect = user_cluster_disconnect, - .this_node = user_cluster_this_node, -diff -urNp linux-2.6.39.3/fs/ocfs2/suballoc.c linux-2.6.39.3/fs/ocfs2/suballoc.c ---- linux-2.6.39.3/fs/ocfs2/suballoc.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/ocfs2/suballoc.c 2011-05-22 19:36:32.000000000 -0400 -@@ -872,7 +872,7 @@ static int ocfs2_reserve_suballoc_bits(s - mlog_errno(status); - goto bail; - } -- atomic_inc(&osb->alloc_stats.bg_extends); -+ atomic_inc_unchecked(&osb->alloc_stats.bg_extends); - - /* You should never ask for this much metadata */ - BUG_ON(bits_wanted > -@@ -2008,7 +2008,7 @@ int ocfs2_claim_metadata(handle_t *handl - mlog_errno(status); - goto bail; - } -- atomic_inc(&OCFS2_SB(ac->ac_inode->i_sb)->alloc_stats.bg_allocs); -+ atomic_inc_unchecked(&OCFS2_SB(ac->ac_inode->i_sb)->alloc_stats.bg_allocs); - - *suballoc_loc = res.sr_bg_blkno; - *suballoc_bit_start = res.sr_bit_offset; -@@ -2172,7 +2172,7 @@ int ocfs2_claim_new_inode_at_loc(handle_ - trace_ocfs2_claim_new_inode_at_loc((unsigned long long)di_blkno, - res->sr_bits); - -- atomic_inc(&OCFS2_SB(ac->ac_inode->i_sb)->alloc_stats.bg_allocs); -+ atomic_inc_unchecked(&OCFS2_SB(ac->ac_inode->i_sb)->alloc_stats.bg_allocs); - - BUG_ON(res->sr_bits != 1); - -@@ -2214,7 +2214,7 @@ int ocfs2_claim_new_inode(handle_t *hand - mlog_errno(status); - goto bail; - } -- atomic_inc(&OCFS2_SB(ac->ac_inode->i_sb)->alloc_stats.bg_allocs); -+ atomic_inc_unchecked(&OCFS2_SB(ac->ac_inode->i_sb)->alloc_stats.bg_allocs); - - BUG_ON(res.sr_bits != 1); - -@@ -2318,7 +2318,7 @@ int __ocfs2_claim_clusters(handle_t *han - cluster_start, - num_clusters); - if (!status) -- atomic_inc(&osb->alloc_stats.local_data); -+ atomic_inc_unchecked(&osb->alloc_stats.local_data); - } else { - if (min_clusters > (osb->bitmap_cpg - 1)) { - /* The only paths asking for contiguousness -@@ -2344,7 +2344,7 @@ int __ocfs2_claim_clusters(handle_t *han - ocfs2_desc_bitmap_to_cluster_off(ac->ac_inode, - res.sr_bg_blkno, - res.sr_bit_offset); -- atomic_inc(&osb->alloc_stats.bitmap_data); -+ atomic_inc_unchecked(&osb->alloc_stats.bitmap_data); - *num_clusters = res.sr_bits; - } - } -diff -urNp linux-2.6.39.3/fs/ocfs2/super.c linux-2.6.39.3/fs/ocfs2/super.c ---- linux-2.6.39.3/fs/ocfs2/super.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/ocfs2/super.c 2011-05-22 19:36:32.000000000 -0400 -@@ -299,11 +299,11 @@ static int ocfs2_osb_dump(struct ocfs2_s - "%10s => GlobalAllocs: %d LocalAllocs: %d " - "SubAllocs: %d LAWinMoves: %d SAExtends: %d\n", - "Stats", -- atomic_read(&osb->alloc_stats.bitmap_data), -- atomic_read(&osb->alloc_stats.local_data), -- atomic_read(&osb->alloc_stats.bg_allocs), -- atomic_read(&osb->alloc_stats.moves), -- atomic_read(&osb->alloc_stats.bg_extends)); -+ atomic_read_unchecked(&osb->alloc_stats.bitmap_data), -+ atomic_read_unchecked(&osb->alloc_stats.local_data), -+ atomic_read_unchecked(&osb->alloc_stats.bg_allocs), -+ atomic_read_unchecked(&osb->alloc_stats.moves), -+ atomic_read_unchecked(&osb->alloc_stats.bg_extends)); - - out += snprintf(buf + out, len - out, - "%10s => State: %u Descriptor: %llu Size: %u bits " -@@ -2111,11 +2111,11 @@ static int ocfs2_initialize_super(struct - spin_lock_init(&osb->osb_xattr_lock); - ocfs2_init_steal_slots(osb); - -- atomic_set(&osb->alloc_stats.moves, 0); -- atomic_set(&osb->alloc_stats.local_data, 0); -- atomic_set(&osb->alloc_stats.bitmap_data, 0); -- atomic_set(&osb->alloc_stats.bg_allocs, 0); -- atomic_set(&osb->alloc_stats.bg_extends, 0); -+ atomic_set_unchecked(&osb->alloc_stats.moves, 0); -+ atomic_set_unchecked(&osb->alloc_stats.local_data, 0); -+ atomic_set_unchecked(&osb->alloc_stats.bitmap_data, 0); -+ atomic_set_unchecked(&osb->alloc_stats.bg_allocs, 0); -+ atomic_set_unchecked(&osb->alloc_stats.bg_extends, 0); - - /* Copy the blockcheck stats from the superblock probe */ - osb->osb_ecc_stats = *stats; -diff -urNp linux-2.6.39.3/fs/ocfs2/symlink.c linux-2.6.39.3/fs/ocfs2/symlink.c ---- linux-2.6.39.3/fs/ocfs2/symlink.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/ocfs2/symlink.c 2011-05-22 19:36:32.000000000 -0400 -@@ -142,7 +142,7 @@ bail: - - static void ocfs2_fast_put_link(struct dentry *dentry, struct nameidata *nd, void *cookie) - { -- char *link = nd_get_link(nd); -+ const char *link = nd_get_link(nd); - if (!IS_ERR(link)) - kfree(link); - } -diff -urNp linux-2.6.39.3/fs/open.c linux-2.6.39.3/fs/open.c ---- linux-2.6.39.3/fs/open.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/open.c 2011-05-22 20:46:51.000000000 -0400 -@@ -112,6 +112,10 @@ static long do_sys_truncate(const char _ - error = locks_verify_truncate(inode, NULL, length); - if (!error) - error = security_path_truncate(&path); -+ -+ if (!error && !gr_acl_handle_truncate(path.dentry, path.mnt)) -+ error = -EACCES; -+ - if (!error) - error = do_truncate(path.dentry, length, 0, NULL); - -@@ -358,6 +362,9 @@ SYSCALL_DEFINE3(faccessat, int, dfd, con - if (__mnt_is_readonly(path.mnt)) - res = -EROFS; - -+ if (!res && !gr_acl_handle_access(path.dentry, path.mnt, mode)) -+ res = -EACCES; -+ - out_path_release: - path_put(&path); - out: -@@ -384,6 +391,8 @@ SYSCALL_DEFINE1(chdir, const char __user - if (error) - goto dput_and_out; - -+ gr_log_chdir(path.dentry, path.mnt); -+ - set_fs_pwd(current->fs, &path); - - dput_and_out: -@@ -410,6 +419,13 @@ SYSCALL_DEFINE1(fchdir, unsigned int, fd - goto out_putf; - - error = inode_permission(inode, MAY_EXEC | MAY_CHDIR); -+ -+ if (!error && !gr_chroot_fchdir(file->f_path.dentry, file->f_path.mnt)) -+ error = -EPERM; -+ -+ if (!error) -+ gr_log_chdir(file->f_path.dentry, file->f_path.mnt); -+ - if (!error) - set_fs_pwd(current->fs, &file->f_path); - out_putf: -@@ -438,7 +454,18 @@ SYSCALL_DEFINE1(chroot, const char __use - if (error) - goto dput_and_out; - -+ if (gr_handle_chroot_chroot(path.dentry, path.mnt)) -+ goto dput_and_out; -+ -+ if (gr_handle_chroot_caps(&path)) { -+ error = -ENOMEM; -+ goto dput_and_out; -+ } -+ - set_fs_root(current->fs, &path); -+ -+ gr_handle_chroot_chdir(&path); -+ - error = 0; - dput_and_out: - path_put(&path); -@@ -466,12 +493,25 @@ SYSCALL_DEFINE2(fchmod, unsigned int, fd - err = mnt_want_write_file(file); - if (err) - goto out_putf; -+ - mutex_lock(&inode->i_mutex); -+ -+ if (!gr_acl_handle_fchmod(dentry, file->f_vfsmnt, mode)) { -+ err = -EACCES; -+ goto out_unlock; -+ } -+ - err = security_path_chmod(dentry, file->f_vfsmnt, mode); - if (err) - goto out_unlock; - if (mode == (mode_t) -1) - mode = inode->i_mode; -+ -+ if (gr_handle_chroot_chmod(dentry, file->f_vfsmnt, mode)) { -+ err = -EACCES; -+ goto out_unlock; -+ } -+ - newattrs.ia_mode = (mode & S_IALLUGO) | (inode->i_mode & ~S_IALLUGO); - newattrs.ia_valid = ATTR_MODE | ATTR_CTIME; - err = notify_change(dentry, &newattrs); -@@ -499,12 +539,25 @@ SYSCALL_DEFINE3(fchmodat, int, dfd, cons - error = mnt_want_write(path.mnt); - if (error) - goto dput_and_out; -+ - mutex_lock(&inode->i_mutex); -+ -+ if (!gr_acl_handle_chmod(path.dentry, path.mnt, mode)) { -+ error = -EACCES; -+ goto out_unlock; -+ } -+ - error = security_path_chmod(path.dentry, path.mnt, mode); - if (error) - goto out_unlock; - if (mode == (mode_t) -1) - mode = inode->i_mode; -+ -+ if (gr_handle_chroot_chmod(path.dentry, path.mnt, mode)) { -+ error = -EACCES; -+ goto out_unlock; -+ } -+ - newattrs.ia_mode = (mode & S_IALLUGO) | (inode->i_mode & ~S_IALLUGO); - newattrs.ia_valid = ATTR_MODE | ATTR_CTIME; - error = notify_change(path.dentry, &newattrs); -@@ -528,6 +581,9 @@ static int chown_common(struct path *pat - int error; - struct iattr newattrs; - -+ if (!gr_acl_handle_chown(path->dentry, path->mnt)) -+ return -EACCES; -+ - newattrs.ia_valid = ATTR_CTIME; - if (user != (uid_t) -1) { - newattrs.ia_valid |= ATTR_UID; -@@ -998,7 +1054,10 @@ long do_sys_open(int dfd, const char __u - if (!IS_ERR(tmp)) { - fd = get_unused_fd_flags(flags); - if (fd >= 0) { -- struct file *f = do_filp_open(dfd, tmp, &op, lookup); -+ struct file *f; -+ /* don't allow to be set by userland */ -+ flags &= ~FMODE_GREXEC; -+ f = do_filp_open(dfd, tmp, &op, lookup); - if (IS_ERR(f)) { - put_unused_fd(fd); - fd = PTR_ERR(f); -diff -urNp linux-2.6.39.3/fs/partitions/ldm.c linux-2.6.39.3/fs/partitions/ldm.c ---- linux-2.6.39.3/fs/partitions/ldm.c 2011-06-03 00:04:14.000000000 -0400 -+++ linux-2.6.39.3/fs/partitions/ldm.c 2011-06-03 00:32:07.000000000 -0400 -@@ -1311,6 +1311,7 @@ static bool ldm_frag_add (const u8 *data - ldm_error ("A VBLK claims to have %d parts.", num); - return false; - } -+ - if (rec >= num) { - ldm_error("REC value (%d) exceeds NUM value (%d)", rec, num); - return false; -@@ -1322,7 +1323,7 @@ static bool ldm_frag_add (const u8 *data - goto found; - } - -- f = kmalloc (sizeof (*f) + size*num, GFP_KERNEL); -+ f = kmalloc (size*num + sizeof (*f), GFP_KERNEL); - if (!f) { - ldm_crit ("Out of memory."); - return false; -diff -urNp linux-2.6.39.3/fs/pipe.c linux-2.6.39.3/fs/pipe.c ---- linux-2.6.39.3/fs/pipe.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/pipe.c 2011-05-22 19:41:37.000000000 -0400 -@@ -420,9 +420,9 @@ redo: - } - if (bufs) /* More to do? */ - continue; -- if (!pipe->writers) -+ if (!atomic_read(&pipe->writers)) - break; -- if (!pipe->waiting_writers) { -+ if (!atomic_read(&pipe->waiting_writers)) { - /* syscall merging: Usually we must not sleep - * if O_NONBLOCK is set, or if we got some data. - * But if a writer sleeps in kernel space, then -@@ -481,7 +481,7 @@ pipe_write(struct kiocb *iocb, const str - mutex_lock(&inode->i_mutex); - pipe = inode->i_pipe; - -- if (!pipe->readers) { -+ if (!atomic_read(&pipe->readers)) { - send_sig(SIGPIPE, current, 0); - ret = -EPIPE; - goto out; -@@ -530,7 +530,7 @@ redo1: - for (;;) { - int bufs; - -- if (!pipe->readers) { -+ if (!atomic_read(&pipe->readers)) { - send_sig(SIGPIPE, current, 0); - if (!ret) - ret = -EPIPE; -@@ -616,9 +616,9 @@ redo2: - kill_fasync(&pipe->fasync_readers, SIGIO, POLL_IN); - do_wakeup = 0; - } -- pipe->waiting_writers++; -+ atomic_inc(&pipe->waiting_writers); - pipe_wait(pipe); -- pipe->waiting_writers--; -+ atomic_dec(&pipe->waiting_writers); - } - out: - mutex_unlock(&inode->i_mutex); -@@ -685,7 +685,7 @@ pipe_poll(struct file *filp, poll_table - mask = 0; - if (filp->f_mode & FMODE_READ) { - mask = (nrbufs > 0) ? POLLIN | POLLRDNORM : 0; -- if (!pipe->writers && filp->f_version != pipe->w_counter) -+ if (!atomic_read(&pipe->writers) && filp->f_version != pipe->w_counter) - mask |= POLLHUP; - } - -@@ -695,7 +695,7 @@ pipe_poll(struct file *filp, poll_table - * Most Unices do not set POLLERR for FIFOs but on Linux they - * behave exactly like pipes for poll(). - */ -- if (!pipe->readers) -+ if (!atomic_read(&pipe->readers)) - mask |= POLLERR; - } - -@@ -709,10 +709,10 @@ pipe_release(struct inode *inode, int de - - mutex_lock(&inode->i_mutex); - pipe = inode->i_pipe; -- pipe->readers -= decr; -- pipe->writers -= decw; -+ atomic_sub(decr, &pipe->readers); -+ atomic_sub(decw, &pipe->writers); - -- if (!pipe->readers && !pipe->writers) { -+ if (!atomic_read(&pipe->readers) && !atomic_read(&pipe->writers)) { - free_pipe_info(inode); - } else { - wake_up_interruptible_sync_poll(&pipe->wait, POLLIN | POLLOUT | POLLRDNORM | POLLWRNORM | POLLERR | POLLHUP); -@@ -802,7 +802,7 @@ pipe_read_open(struct inode *inode, stru - - if (inode->i_pipe) { - ret = 0; -- inode->i_pipe->readers++; -+ atomic_inc(&inode->i_pipe->readers); - } - - mutex_unlock(&inode->i_mutex); -@@ -819,7 +819,7 @@ pipe_write_open(struct inode *inode, str - - if (inode->i_pipe) { - ret = 0; -- inode->i_pipe->writers++; -+ atomic_inc(&inode->i_pipe->writers); - } - - mutex_unlock(&inode->i_mutex); -@@ -837,9 +837,9 @@ pipe_rdwr_open(struct inode *inode, stru - if (inode->i_pipe) { - ret = 0; - if (filp->f_mode & FMODE_READ) -- inode->i_pipe->readers++; -+ atomic_inc(&inode->i_pipe->readers); - if (filp->f_mode & FMODE_WRITE) -- inode->i_pipe->writers++; -+ atomic_inc(&inode->i_pipe->writers); - } - - mutex_unlock(&inode->i_mutex); -@@ -931,7 +931,7 @@ void free_pipe_info(struct inode *inode) - inode->i_pipe = NULL; - } - --static struct vfsmount *pipe_mnt __read_mostly; -+struct vfsmount *pipe_mnt __read_mostly; - - /* - * pipefs_dname() is called from d_path(). -@@ -961,7 +961,8 @@ static struct inode * get_pipe_inode(voi - goto fail_iput; - inode->i_pipe = pipe; - -- pipe->readers = pipe->writers = 1; -+ atomic_set(&pipe->readers, 1); -+ atomic_set(&pipe->writers, 1); - inode->i_fop = &rdwr_pipefifo_fops; - - /* -diff -urNp linux-2.6.39.3/fs/proc/array.c linux-2.6.39.3/fs/proc/array.c ---- linux-2.6.39.3/fs/proc/array.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/proc/array.c 2011-05-22 19:41:37.000000000 -0400 -@@ -60,6 +60,7 @@ - #include <linux/tty.h> - #include <linux/string.h> - #include <linux/mman.h> -+#include <linux/grsecurity.h> - #include <linux/proc_fs.h> - #include <linux/ioport.h> - #include <linux/uaccess.h> -@@ -337,6 +338,21 @@ static void task_cpus_allowed(struct seq - seq_putc(m, '\n'); - } - -+#if defined(CONFIG_PAX_NOEXEC) || defined(CONFIG_PAX_ASLR) -+static inline void task_pax(struct seq_file *m, struct task_struct *p) -+{ -+ if (p->mm) -+ seq_printf(m, "PaX:\t%c%c%c%c%c\n", -+ p->mm->pax_flags & MF_PAX_PAGEEXEC ? 'P' : 'p', -+ p->mm->pax_flags & MF_PAX_EMUTRAMP ? 'E' : 'e', -+ p->mm->pax_flags & MF_PAX_MPROTECT ? 'M' : 'm', -+ p->mm->pax_flags & MF_PAX_RANDMMAP ? 'R' : 'r', -+ p->mm->pax_flags & MF_PAX_SEGMEXEC ? 'S' : 's'); -+ else -+ seq_printf(m, "PaX:\t-----\n"); -+} -+#endif -+ - int proc_pid_status(struct seq_file *m, struct pid_namespace *ns, - struct pid *pid, struct task_struct *task) - { -@@ -354,9 +370,24 @@ int proc_pid_status(struct seq_file *m, - task_cpus_allowed(m, task); - cpuset_task_status_allowed(m, task); - task_context_switch_counts(m, task); -+ -+#if defined(CONFIG_PAX_NOEXEC) || defined(CONFIG_PAX_ASLR) -+ task_pax(m, task); -+#endif -+ -+#if defined(CONFIG_GRKERNSEC) && !defined(CONFIG_GRKERNSEC_NO_RBAC) -+ task_grsec_rbac(m, task); -+#endif -+ - return 0; - } - -+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP -+#define PAX_RAND_FLAGS(_mm) (_mm != NULL && _mm != current->mm && \ -+ (_mm->pax_flags & MF_PAX_RANDMMAP || \ -+ _mm->pax_flags & MF_PAX_SEGMEXEC)) -+#endif -+ - static int do_task_stat(struct seq_file *m, struct pid_namespace *ns, - struct pid *pid, struct task_struct *task, int whole) - { -@@ -375,9 +406,11 @@ static int do_task_stat(struct seq_file - cputime_t cutime, cstime, utime, stime; - cputime_t cgtime, gtime; - unsigned long rsslim = 0; -- char tcomm[sizeof(task->comm)]; -+ char tcomm[sizeof(task->comm)] = { 0 }; - unsigned long flags; - -+ pax_track_stack(); -+ - state = *get_task_state(task); - vsize = eip = esp = 0; - permitted = ptrace_may_access(task, PTRACE_MODE_READ); -@@ -449,6 +482,19 @@ static int do_task_stat(struct seq_file - gtime = task->gtime; - } - -+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP -+ if (PAX_RAND_FLAGS(mm)) { -+ eip = 0; -+ esp = 0; -+ wchan = 0; -+ } -+#endif -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+ wchan = 0; -+ eip =0; -+ esp =0; -+#endif -+ - /* scale priority and nice values from timeslices to -20..20 */ - /* to make it look like a "normal" Unix priority/nice value */ - priority = task_prio(task); -@@ -489,9 +535,15 @@ static int do_task_stat(struct seq_file - vsize, - mm ? get_mm_rss(mm) : 0, - rsslim, -+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP -+ PAX_RAND_FLAGS(mm) ? 1 : (mm ? (permitted ? mm->start_code : 1) : 0), -+ PAX_RAND_FLAGS(mm) ? 1 : (mm ? (permitted ? mm->end_code : 1) : 0), -+ PAX_RAND_FLAGS(mm) ? 0 : ((permitted && mm) ? mm->start_stack : 0), -+#else - mm ? (permitted ? mm->start_code : 1) : 0, - mm ? (permitted ? mm->end_code : 1) : 0, - (permitted && mm) ? mm->start_stack : 0, -+#endif - esp, - eip, - /* The signal information here is obsolete. -@@ -544,3 +596,18 @@ int proc_pid_statm(struct seq_file *m, s - - return 0; - } -+ -+#ifdef CONFIG_GRKERNSEC_PROC_IPADDR -+int proc_pid_ipaddr(struct task_struct *task, char *buffer) -+{ -+ u32 curr_ip = 0; -+ unsigned long flags; -+ -+ if (lock_task_sighand(task, &flags)) { -+ curr_ip = task->signal->curr_ip; -+ unlock_task_sighand(task, &flags); -+ } -+ -+ return sprintf(buffer, "%pI4\n", &curr_ip); -+} -+#endif -diff -urNp linux-2.6.39.3/fs/proc/base.c linux-2.6.39.3/fs/proc/base.c ---- linux-2.6.39.3/fs/proc/base.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/proc/base.c 2011-06-04 21:20:04.000000000 -0400 -@@ -104,6 +104,22 @@ struct pid_entry { - union proc_op op; - }; - -+struct getdents_callback { -+ struct linux_dirent __user * current_dir; -+ struct linux_dirent __user * previous; -+ struct file * file; -+ int count; -+ int error; -+}; -+ -+static int gr_fake_filldir(void * __buf, const char *name, int namlen, -+ loff_t offset, u64 ino, unsigned int d_type) -+{ -+ struct getdents_callback * buf = (struct getdents_callback *) __buf; -+ buf->error = -EINVAL; -+ return 0; -+} -+ - #define NOD(NAME, MODE, IOP, FOP, OP) { \ - .name = (NAME), \ - .len = sizeof(NAME) - 1, \ -@@ -206,6 +222,9 @@ static struct mm_struct *__check_mem_per - if (task == current) - return mm; - -+ if (gr_handle_proc_ptrace(task) || gr_acl_handle_procpidmem(task)) -+ return ERR_PTR(-EPERM); -+ - /* - * If current is actively ptrace'ing, and would also be - * permitted to freshly attach with ptrace now, permit it. -@@ -279,6 +298,9 @@ static int proc_pid_cmdline(struct task_ - if (!mm->arg_end) - goto out_mm; /* Shh! No looking before we're done */ - -+ if (gr_acl_handle_procpidmem(task)) -+ goto out_mm; -+ - len = mm->arg_end - mm->arg_start; - - if (len > PAGE_SIZE) -@@ -306,12 +328,28 @@ out: - return res; - } - -+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP -+#define PAX_RAND_FLAGS(_mm) (_mm != NULL && _mm != current->mm && \ -+ (_mm->pax_flags & MF_PAX_RANDMMAP || \ -+ _mm->pax_flags & MF_PAX_SEGMEXEC)) -+#endif -+ - static int proc_pid_auxv(struct task_struct *task, char *buffer) - { - struct mm_struct *mm = mm_for_maps(task); - int res = PTR_ERR(mm); - if (mm && !IS_ERR(mm)) { - unsigned int nwords = 0; -+ -+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP -+ /* allow if we're currently ptracing this task */ -+ if (PAX_RAND_FLAGS(mm) && -+ (!(task->ptrace & PT_PTRACED) || (task->parent != current))) { -+ mmput(mm); -+ return res; -+ } -+#endif -+ - do { - nwords += 2; - } while (mm->saved_auxv[nwords - 2] != 0); /* AT_NULL */ -@@ -325,7 +363,7 @@ static int proc_pid_auxv(struct task_str - } - - --#ifdef CONFIG_KALLSYMS -+#if defined(CONFIG_KALLSYMS) && !defined(CONFIG_GRKERNSEC_HIDESYM) - /* - * Provides a wchan file via kallsyms in a proper one-value-per-file format. - * Returns the resolved symbol. If that fails, simply return the address. -@@ -364,7 +402,7 @@ static void unlock_trace(struct task_str - mutex_unlock(&task->signal->cred_guard_mutex); - } - --#ifdef CONFIG_STACKTRACE -+#if defined(CONFIG_STACKTRACE) && !defined(CONFIG_GRKERNSEC_HIDESYM) - - #define MAX_STACK_TRACE_DEPTH 64 - -@@ -555,7 +593,7 @@ static int proc_pid_limits(struct task_s - return count; - } - --#ifdef CONFIG_HAVE_ARCH_TRACEHOOK -+#if defined(CONFIG_HAVE_ARCH_TRACEHOOK) && !defined(CONFIG_GRKERNSEC_PROC_MEMMAP) - static int proc_pid_syscall(struct task_struct *task, char *buffer) - { - long nr; -@@ -584,7 +622,7 @@ static int proc_pid_syscall(struct task_ - /************************************************************************/ - - /* permission checks */ --static int proc_fd_access_allowed(struct inode *inode) -+static int proc_fd_access_allowed(struct inode *inode, unsigned int log) - { - struct task_struct *task; - int allowed = 0; -@@ -594,7 +632,10 @@ static int proc_fd_access_allowed(struct - */ - task = get_proc_task(inode); - if (task) { -- allowed = ptrace_may_access(task, PTRACE_MODE_READ); -+ if (log) -+ allowed = ptrace_may_access_log(task, PTRACE_MODE_READ); -+ else -+ allowed = ptrace_may_access(task, PTRACE_MODE_READ); - put_task_struct(task); - } - return allowed; -@@ -973,6 +1014,9 @@ static ssize_t environ_read(struct file - if (!task) - goto out_no_task; - -+ if (gr_acl_handle_procpidmem(task)) -+ goto out; -+ - ret = -ENOMEM; - page = (char *)__get_free_page(GFP_TEMPORARY); - if (!page) -@@ -1660,7 +1704,7 @@ static void *proc_pid_follow_link(struct - path_put(&nd->path); - - /* Are we allowed to snoop on the tasks file descriptors? */ -- if (!proc_fd_access_allowed(inode)) -+ if (!proc_fd_access_allowed(inode,0)) - goto out; - - error = PROC_I(inode)->op.proc_get_link(inode, &nd->path); -@@ -1699,8 +1743,18 @@ static int proc_pid_readlink(struct dent - struct path path; - - /* Are we allowed to snoop on the tasks file descriptors? */ -- if (!proc_fd_access_allowed(inode)) -- goto out; -+ /* logging this is needed for learning on chromium to work properly, -+ but we don't want to flood the logs from 'ps' which does a readlink -+ on /proc/fd/2 of tasks in the listing, nor do we want 'ps' to learn -+ CAP_SYS_PTRACE as it's not necessary for its basic functionality -+ */ -+ if (dentry->d_name.name[0] == '2' && dentry->d_name.name[1] == '\0') { -+ if (!proc_fd_access_allowed(inode,0)) -+ goto out; -+ } else { -+ if (!proc_fd_access_allowed(inode,1)) -+ goto out; -+ } - - error = PROC_I(inode)->op.proc_get_link(inode, &path); - if (error) -@@ -1766,7 +1820,11 @@ static struct inode *proc_pid_make_inode - rcu_read_lock(); - cred = __task_cred(task); - inode->i_uid = cred->euid; -+#ifdef CONFIG_GRKERNSEC_PROC_USERGROUP -+ inode->i_gid = CONFIG_GRKERNSEC_PROC_GID; -+#else - inode->i_gid = cred->egid; -+#endif - rcu_read_unlock(); - } - security_task_to_inode(task, inode); -@@ -1784,6 +1842,9 @@ static int pid_getattr(struct vfsmount * - struct inode *inode = dentry->d_inode; - struct task_struct *task; - const struct cred *cred; -+#if defined(CONFIG_GRKERNSEC_PROC_USER) || defined(CONFIG_GRKERNSEC_PROC_USERGROUP) -+ const struct cred *tmpcred = current_cred(); -+#endif - - generic_fillattr(inode, stat); - -@@ -1791,13 +1852,41 @@ static int pid_getattr(struct vfsmount * - stat->uid = 0; - stat->gid = 0; - task = pid_task(proc_pid(inode), PIDTYPE_PID); -+ -+ if (task && (gr_pid_is_chrooted(task) || gr_check_hidden_task(task))) { -+ rcu_read_unlock(); -+ return -ENOENT; -+ } -+ - if (task) { -+ cred = __task_cred(task); -+#if defined(CONFIG_GRKERNSEC_PROC_USER) || defined(CONFIG_GRKERNSEC_PROC_USERGROUP) -+ if (!tmpcred->uid || (tmpcred->uid == cred->uid) -+#ifdef CONFIG_GRKERNSEC_PROC_USERGROUP -+ || in_group_p(CONFIG_GRKERNSEC_PROC_GID) -+#endif -+ ) { -+#endif - if ((inode->i_mode == (S_IFDIR|S_IRUGO|S_IXUGO)) || -+#ifdef CONFIG_GRKERNSEC_PROC_USER -+ (inode->i_mode == (S_IFDIR|S_IRUSR|S_IXUSR)) || -+#elif defined(CONFIG_GRKERNSEC_PROC_USERGROUP) -+ (inode->i_mode == (S_IFDIR|S_IRUSR|S_IRGRP|S_IXUSR|S_IXGRP)) || -+#endif - task_dumpable(task)) { -- cred = __task_cred(task); - stat->uid = cred->euid; -+#ifdef CONFIG_GRKERNSEC_PROC_USERGROUP -+ stat->gid = CONFIG_GRKERNSEC_PROC_GID; -+#else - stat->gid = cred->egid; -+#endif - } -+#if defined(CONFIG_GRKERNSEC_PROC_USER) || defined(CONFIG_GRKERNSEC_PROC_USERGROUP) -+ } else { -+ rcu_read_unlock(); -+ return -ENOENT; -+ } -+#endif - } - rcu_read_unlock(); - return 0; -@@ -1834,11 +1923,20 @@ static int pid_revalidate(struct dentry - - if (task) { - if ((inode->i_mode == (S_IFDIR|S_IRUGO|S_IXUGO)) || -+#ifdef CONFIG_GRKERNSEC_PROC_USER -+ (inode->i_mode == (S_IFDIR|S_IRUSR|S_IXUSR)) || -+#elif defined(CONFIG_GRKERNSEC_PROC_USERGROUP) -+ (inode->i_mode == (S_IFDIR|S_IRUSR|S_IRGRP|S_IXUSR|S_IXGRP)) || -+#endif - task_dumpable(task)) { - rcu_read_lock(); - cred = __task_cred(task); - inode->i_uid = cred->euid; -+#ifdef CONFIG_GRKERNSEC_PROC_USERGROUP -+ inode->i_gid = CONFIG_GRKERNSEC_PROC_GID; -+#else - inode->i_gid = cred->egid; -+#endif - rcu_read_unlock(); - } else { - inode->i_uid = 0; -@@ -1959,7 +2057,8 @@ static int proc_fd_info(struct inode *in - int fd = proc_fd(inode); - - if (task) { -- files = get_files_struct(task); -+ if (!gr_acl_handle_procpidmem(task)) -+ files = get_files_struct(task); - put_task_struct(task); - } - if (files) { -@@ -2219,15 +2318,25 @@ static const struct file_operations proc - */ - static int proc_fd_permission(struct inode *inode, int mask, unsigned int flags) - { -+ struct task_struct *task; - int rv; - - if (flags & IPERM_FLAG_RCU) - return -ECHILD; - rv = generic_permission(inode, mask, flags, NULL); -- if (rv == 0) -- return 0; -+ - if (task_pid(current) == proc_pid(inode)) - rv = 0; -+ -+ task = get_proc_task(inode); -+ if (task == NULL) -+ return rv; -+ -+ if (gr_acl_handle_procpidmem(task)) -+ rv = -EACCES; -+ -+ put_task_struct(task); -+ - return rv; - } - -@@ -2337,6 +2446,9 @@ static struct dentry *proc_pident_lookup - if (!task) - goto out_no_task; - -+ if (gr_pid_is_chrooted(task) || gr_check_hidden_task(task)) -+ goto out; -+ - /* - * Yes, it does not scale. And it should not. Don't add - * new entries into /proc/<tgid>/ without very good reasons. -@@ -2381,6 +2493,9 @@ static int proc_pident_readdir(struct fi - if (!task) - goto out_no_task; - -+ if (gr_pid_is_chrooted(task) || gr_check_hidden_task(task)) -+ goto out; -+ - ret = 0; - i = filp->f_pos; - switch (i) { -@@ -2651,7 +2766,7 @@ static void *proc_self_follow_link(struc - static void proc_self_put_link(struct dentry *dentry, struct nameidata *nd, - void *cookie) - { -- char *s = nd_get_link(nd); -+ const char *s = nd_get_link(nd); - if (!IS_ERR(s)) - __putname(s); - } -@@ -2835,7 +2950,7 @@ static const struct pid_entry tgid_base_ - REG("autogroup", S_IRUGO|S_IWUSR, proc_pid_sched_autogroup_operations), - #endif - REG("comm", S_IRUGO|S_IWUSR, proc_pid_set_comm_operations), --#ifdef CONFIG_HAVE_ARCH_TRACEHOOK -+#if defined(CONFIG_HAVE_ARCH_TRACEHOOK) && !defined(CONFIG_GRKERNSEC_PROC_MEMMAP) - INF("syscall", S_IRUGO, proc_pid_syscall), - #endif - INF("cmdline", S_IRUGO, proc_pid_cmdline), -@@ -2860,10 +2975,10 @@ static const struct pid_entry tgid_base_ - #ifdef CONFIG_SECURITY - DIR("attr", S_IRUGO|S_IXUGO, proc_attr_dir_inode_operations, proc_attr_dir_operations), - #endif --#ifdef CONFIG_KALLSYMS -+#if defined(CONFIG_KALLSYMS) && !defined(CONFIG_GRKERNSEC_HIDESYM) - INF("wchan", S_IRUGO, proc_pid_wchan), - #endif --#ifdef CONFIG_STACKTRACE -+#if defined(CONFIG_STACKTRACE) && !defined(CONFIG_GRKERNSEC_HIDESYM) - ONE("stack", S_IRUGO, proc_pid_stack), - #endif - #ifdef CONFIG_SCHEDSTATS -@@ -2894,6 +3009,9 @@ static const struct pid_entry tgid_base_ - #ifdef CONFIG_TASK_IO_ACCOUNTING - INF("io", S_IRUGO, proc_tgid_io_accounting), - #endif -+#ifdef CONFIG_GRKERNSEC_PROC_IPADDR -+ INF("ipaddr", S_IRUSR, proc_pid_ipaddr), -+#endif - }; - - static int proc_tgid_base_readdir(struct file * filp, -@@ -3019,7 +3137,14 @@ static struct dentry *proc_pid_instantia - if (!inode) - goto out; - -+#ifdef CONFIG_GRKERNSEC_PROC_USER -+ inode->i_mode = S_IFDIR|S_IRUSR|S_IXUSR; -+#elif defined(CONFIG_GRKERNSEC_PROC_USERGROUP) -+ inode->i_gid = CONFIG_GRKERNSEC_PROC_GID; -+ inode->i_mode = S_IFDIR|S_IRUSR|S_IRGRP|S_IXUSR|S_IXGRP; -+#else - inode->i_mode = S_IFDIR|S_IRUGO|S_IXUGO; -+#endif - inode->i_op = &proc_tgid_base_inode_operations; - inode->i_fop = &proc_tgid_base_operations; - inode->i_flags|=S_IMMUTABLE; -@@ -3061,7 +3186,11 @@ struct dentry *proc_pid_lookup(struct in - if (!task) - goto out; - -+ if (gr_pid_is_chrooted(task) || gr_check_hidden_task(task)) -+ goto out_put_task; -+ - result = proc_pid_instantiate(dir, dentry, task, NULL); -+out_put_task: - put_task_struct(task); - out: - return result; -@@ -3126,6 +3255,11 @@ int proc_pid_readdir(struct file * filp, - { - unsigned int nr; - struct task_struct *reaper; -+#if defined(CONFIG_GRKERNSEC_PROC_USER) || defined(CONFIG_GRKERNSEC_PROC_USERGROUP) -+ const struct cred *tmpcred = current_cred(); -+ const struct cred *itercred; -+#endif -+ filldir_t __filldir = filldir; - struct tgid_iter iter; - struct pid_namespace *ns; - -@@ -3149,8 +3283,27 @@ int proc_pid_readdir(struct file * filp, - for (iter = next_tgid(ns, iter); - iter.task; - iter.tgid += 1, iter = next_tgid(ns, iter)) { -+#if defined(CONFIG_GRKERNSEC_PROC_USER) || defined(CONFIG_GRKERNSEC_PROC_USERGROUP) -+ rcu_read_lock(); -+ itercred = __task_cred(iter.task); -+#endif -+ if (gr_pid_is_chrooted(iter.task) || gr_check_hidden_task(iter.task) -+#if defined(CONFIG_GRKERNSEC_PROC_USER) || defined(CONFIG_GRKERNSEC_PROC_USERGROUP) -+ || (tmpcred->uid && (itercred->uid != tmpcred->uid) -+#ifdef CONFIG_GRKERNSEC_PROC_USERGROUP -+ && !in_group_p(CONFIG_GRKERNSEC_PROC_GID) -+#endif -+ ) -+#endif -+ ) -+ __filldir = &gr_fake_filldir; -+ else -+ __filldir = filldir; -+#if defined(CONFIG_GRKERNSEC_PROC_USER) || defined(CONFIG_GRKERNSEC_PROC_USERGROUP) -+ rcu_read_unlock(); -+#endif - filp->f_pos = iter.tgid + TGID_OFFSET; -- if (proc_pid_fill_cache(filp, dirent, filldir, iter) < 0) { -+ if (proc_pid_fill_cache(filp, dirent, __filldir, iter) < 0) { - put_task_struct(iter.task); - goto out; - } -@@ -3177,7 +3330,7 @@ static const struct pid_entry tid_base_s - REG("sched", S_IRUGO|S_IWUSR, proc_pid_sched_operations), - #endif - REG("comm", S_IRUGO|S_IWUSR, proc_pid_set_comm_operations), --#ifdef CONFIG_HAVE_ARCH_TRACEHOOK -+#if defined(CONFIG_HAVE_ARCH_TRACEHOOK) && !defined(CONFIG_GRKERNSEC_PROC_MEMMAP) - INF("syscall", S_IRUGO, proc_pid_syscall), - #endif - INF("cmdline", S_IRUGO, proc_pid_cmdline), -@@ -3201,10 +3354,10 @@ static const struct pid_entry tid_base_s - #ifdef CONFIG_SECURITY - DIR("attr", S_IRUGO|S_IXUGO, proc_attr_dir_inode_operations, proc_attr_dir_operations), - #endif --#ifdef CONFIG_KALLSYMS -+#if defined(CONFIG_KALLSYMS) && !defined(CONFIG_GRKERNSEC_HIDESYM) - INF("wchan", S_IRUGO, proc_pid_wchan), - #endif --#ifdef CONFIG_STACKTRACE -+#if defined(CONFIG_STACKTRACE) && !defined(CONFIG_GRKERNSEC_HIDESYM) - ONE("stack", S_IRUGO, proc_pid_stack), - #endif - #ifdef CONFIG_SCHEDSTATS -diff -urNp linux-2.6.39.3/fs/proc/cmdline.c linux-2.6.39.3/fs/proc/cmdline.c ---- linux-2.6.39.3/fs/proc/cmdline.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/proc/cmdline.c 2011-05-22 19:41:37.000000000 -0400 -@@ -23,7 +23,11 @@ static const struct file_operations cmdl - - static int __init proc_cmdline_init(void) - { -+#ifdef CONFIG_GRKERNSEC_PROC_ADD -+ proc_create_grsec("cmdline", 0, NULL, &cmdline_proc_fops); -+#else - proc_create("cmdline", 0, NULL, &cmdline_proc_fops); -+#endif - return 0; - } - module_init(proc_cmdline_init); -diff -urNp linux-2.6.39.3/fs/proc/devices.c linux-2.6.39.3/fs/proc/devices.c ---- linux-2.6.39.3/fs/proc/devices.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/proc/devices.c 2011-05-22 19:41:37.000000000 -0400 -@@ -64,7 +64,11 @@ static const struct file_operations proc - - static int __init proc_devices_init(void) - { -+#ifdef CONFIG_GRKERNSEC_PROC_ADD -+ proc_create_grsec("devices", 0, NULL, &proc_devinfo_operations); -+#else - proc_create("devices", 0, NULL, &proc_devinfo_operations); -+#endif - return 0; - } - module_init(proc_devices_init); -diff -urNp linux-2.6.39.3/fs/proc/inode.c linux-2.6.39.3/fs/proc/inode.c ---- linux-2.6.39.3/fs/proc/inode.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/proc/inode.c 2011-05-22 19:41:37.000000000 -0400 -@@ -433,7 +433,11 @@ struct inode *proc_get_inode(struct supe - if (de->mode) { - inode->i_mode = de->mode; - inode->i_uid = de->uid; -+#ifdef CONFIG_GRKERNSEC_PROC_USERGROUP -+ inode->i_gid = CONFIG_GRKERNSEC_PROC_GID; -+#else - inode->i_gid = de->gid; -+#endif - } - if (de->size) - inode->i_size = de->size; -diff -urNp linux-2.6.39.3/fs/proc/internal.h linux-2.6.39.3/fs/proc/internal.h ---- linux-2.6.39.3/fs/proc/internal.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/proc/internal.h 2011-05-22 19:41:37.000000000 -0400 -@@ -51,6 +51,9 @@ extern int proc_pid_status(struct seq_fi - struct pid *pid, struct task_struct *task); - extern int proc_pid_statm(struct seq_file *m, struct pid_namespace *ns, - struct pid *pid, struct task_struct *task); -+#ifdef CONFIG_GRKERNSEC_PROC_IPADDR -+extern int proc_pid_ipaddr(struct task_struct *task, char *buffer); -+#endif - extern loff_t mem_lseek(struct file *file, loff_t offset, int orig); - - extern const struct file_operations proc_maps_operations; -diff -urNp linux-2.6.39.3/fs/proc/Kconfig linux-2.6.39.3/fs/proc/Kconfig ---- linux-2.6.39.3/fs/proc/Kconfig 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/proc/Kconfig 2011-05-22 19:41:37.000000000 -0400 -@@ -30,12 +30,12 @@ config PROC_FS - - config PROC_KCORE - bool "/proc/kcore support" if !ARM -- depends on PROC_FS && MMU -+ depends on PROC_FS && MMU && !GRKERNSEC_PROC_ADD - - config PROC_VMCORE - bool "/proc/vmcore support" -- depends on PROC_FS && CRASH_DUMP -- default y -+ depends on PROC_FS && CRASH_DUMP && !GRKERNSEC -+ default n - help - Exports the dump image of crashed kernel in ELF format. - -@@ -59,8 +59,8 @@ config PROC_SYSCTL - limited in memory. - - config PROC_PAGE_MONITOR -- default y -- depends on PROC_FS && MMU -+ default n -+ depends on PROC_FS && MMU && !GRKERNSEC - bool "Enable /proc page monitoring" if EXPERT - help - Various /proc files exist to monitor process memory utilization: -diff -urNp linux-2.6.39.3/fs/proc/kcore.c linux-2.6.39.3/fs/proc/kcore.c ---- linux-2.6.39.3/fs/proc/kcore.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/proc/kcore.c 2011-05-22 19:41:37.000000000 -0400 -@@ -321,6 +321,8 @@ static void elf_kcore_store_hdr(char *bu - off_t offset = 0; - struct kcore_list *m; - -+ pax_track_stack(); -+ - /* setup ELF header */ - elf = (struct elfhdr *) bufp; - bufp += sizeof(struct elfhdr); -@@ -478,9 +480,10 @@ read_kcore(struct file *file, char __use - * the addresses in the elf_phdr on our list. - */ - start = kc_offset_to_vaddr(*fpos - elf_buflen); -- if ((tsz = (PAGE_SIZE - (start & ~PAGE_MASK))) > buflen) -+ tsz = PAGE_SIZE - (start & ~PAGE_MASK); -+ if (tsz > buflen) - tsz = buflen; -- -+ - while (buflen) { - struct kcore_list *m; - -@@ -509,20 +512,23 @@ read_kcore(struct file *file, char __use - kfree(elf_buf); - } else { - if (kern_addr_valid(start)) { -- unsigned long n; -+ char *elf_buf; -+ mm_segment_t oldfs; - -- n = copy_to_user(buffer, (char *)start, tsz); -- /* -- * We cannot distingush between fault on source -- * and fault on destination. When this happens -- * we clear too and hope it will trigger the -- * EFAULT again. -- */ -- if (n) { -- if (clear_user(buffer + tsz - n, -- n)) -+ elf_buf = kmalloc(tsz, GFP_KERNEL); -+ if (!elf_buf) -+ return -ENOMEM; -+ oldfs = get_fs(); -+ set_fs(KERNEL_DS); -+ if (!__copy_from_user(elf_buf, (const void __user *)start, tsz)) { -+ set_fs(oldfs); -+ if (copy_to_user(buffer, elf_buf, tsz)) { -+ kfree(elf_buf); - return -EFAULT; -+ } - } -+ set_fs(oldfs); -+ kfree(elf_buf); - } else { - if (clear_user(buffer, tsz)) - return -EFAULT; -@@ -542,6 +548,9 @@ read_kcore(struct file *file, char __use - - static int open_kcore(struct inode *inode, struct file *filp) - { -+#if defined(CONFIG_GRKERNSEC_PROC_ADD) || defined(CONFIG_GRKERNSEC_HIDESYM) -+ return -EPERM; -+#endif - if (!capable(CAP_SYS_RAWIO)) - return -EPERM; - if (kcore_need_update) -diff -urNp linux-2.6.39.3/fs/proc/meminfo.c linux-2.6.39.3/fs/proc/meminfo.c ---- linux-2.6.39.3/fs/proc/meminfo.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/proc/meminfo.c 2011-05-22 19:36:32.000000000 -0400 -@@ -29,6 +29,8 @@ static int meminfo_proc_show(struct seq_ - unsigned long pages[NR_LRU_LISTS]; - int lru; - -+ pax_track_stack(); -+ - /* - * display in kilobytes. - */ -@@ -157,7 +159,7 @@ static int meminfo_proc_show(struct seq_ - vmi.used >> 10, - vmi.largest_chunk >> 10 - #ifdef CONFIG_MEMORY_FAILURE -- ,atomic_long_read(&mce_bad_pages) << (PAGE_SHIFT - 10) -+ ,atomic_long_read_unchecked(&mce_bad_pages) << (PAGE_SHIFT - 10) - #endif - #ifdef CONFIG_TRANSPARENT_HUGEPAGE - ,K(global_page_state(NR_ANON_TRANSPARENT_HUGEPAGES) * -diff -urNp linux-2.6.39.3/fs/proc/nommu.c linux-2.6.39.3/fs/proc/nommu.c ---- linux-2.6.39.3/fs/proc/nommu.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/proc/nommu.c 2011-05-22 19:36:32.000000000 -0400 -@@ -66,7 +66,7 @@ static int nommu_region_show(struct seq_ - if (len < 1) - len = 1; - seq_printf(m, "%*c", len, ' '); -- seq_path(m, &file->f_path, ""); -+ seq_path(m, &file->f_path, "\n\\"); - } - - seq_putc(m, '\n'); -diff -urNp linux-2.6.39.3/fs/proc/proc_net.c linux-2.6.39.3/fs/proc/proc_net.c ---- linux-2.6.39.3/fs/proc/proc_net.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/proc/proc_net.c 2011-05-22 19:41:37.000000000 -0400 -@@ -105,6 +105,17 @@ static struct net *get_proc_task_net(str - struct task_struct *task; - struct nsproxy *ns; - struct net *net = NULL; -+#if defined(CONFIG_GRKERNSEC_PROC_USER) || defined(CONFIG_GRKERNSEC_PROC_USERGROUP) -+ const struct cred *cred = current_cred(); -+#endif -+ -+#ifdef CONFIG_GRKERNSEC_PROC_USER -+ if (cred->fsuid) -+ return net; -+#elif defined(CONFIG_GRKERNSEC_PROC_USERGROUP) -+ if (cred->fsuid && !in_group_p(CONFIG_GRKERNSEC_PROC_GID)) -+ return net; -+#endif - - rcu_read_lock(); - task = pid_task(proc_pid(dir), PIDTYPE_PID); -diff -urNp linux-2.6.39.3/fs/proc/proc_sysctl.c linux-2.6.39.3/fs/proc/proc_sysctl.c ---- linux-2.6.39.3/fs/proc/proc_sysctl.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/proc/proc_sysctl.c 2011-05-22 19:41:37.000000000 -0400 -@@ -8,6 +8,8 @@ - #include <linux/namei.h> - #include "internal.h" - -+extern __u32 gr_handle_sysctl(const struct ctl_table *table, const int op); -+ - static const struct dentry_operations proc_sys_dentry_operations; - static const struct file_operations proc_sys_file_operations; - static const struct inode_operations proc_sys_inode_operations; -@@ -111,6 +113,9 @@ static struct dentry *proc_sys_lookup(st - if (!p) - goto out; - -+ if (gr_handle_sysctl(p, MAY_EXEC)) -+ goto out; -+ - err = ERR_PTR(-ENOMEM); - inode = proc_sys_make_inode(dir->i_sb, h ? h : head, p); - if (h) -@@ -230,6 +235,9 @@ static int scan(struct ctl_table_header - if (*pos < file->f_pos) - continue; - -+ if (gr_handle_sysctl(table, 0)) -+ continue; -+ - res = proc_sys_fill_cache(file, dirent, filldir, head, table); - if (res) - return res; -@@ -358,6 +366,9 @@ static int proc_sys_getattr(struct vfsmo - if (IS_ERR(head)) - return PTR_ERR(head); - -+ if (table && gr_handle_sysctl(table, MAY_EXEC)) -+ return -ENOENT; -+ - generic_fillattr(inode, stat); - if (table) - stat->mode = (stat->mode & S_IFMT) | table->mode; -diff -urNp linux-2.6.39.3/fs/proc/root.c linux-2.6.39.3/fs/proc/root.c ---- linux-2.6.39.3/fs/proc/root.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/proc/root.c 2011-05-22 19:41:37.000000000 -0400 -@@ -122,7 +122,15 @@ void __init proc_root_init(void) - #ifdef CONFIG_PROC_DEVICETREE - proc_device_tree_init(); - #endif -+#ifdef CONFIG_GRKERNSEC_PROC_ADD -+#ifdef CONFIG_GRKERNSEC_PROC_USER -+ proc_mkdir_mode("bus", S_IRUSR | S_IXUSR, NULL); -+#elif defined(CONFIG_GRKERNSEC_PROC_USERGROUP) -+ proc_mkdir_mode("bus", S_IRUSR | S_IXUSR | S_IRGRP | S_IXGRP, NULL); -+#endif -+#else - proc_mkdir("bus", NULL); -+#endif - proc_sys_init(); - } - -diff -urNp linux-2.6.39.3/fs/proc/task_mmu.c linux-2.6.39.3/fs/proc/task_mmu.c ---- linux-2.6.39.3/fs/proc/task_mmu.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/proc/task_mmu.c 2011-05-22 22:43:29.000000000 -0400 -@@ -51,8 +51,13 @@ void task_mem(struct seq_file *m, struct - "VmExe:\t%8lu kB\n" - "VmLib:\t%8lu kB\n" - "VmPTE:\t%8lu kB\n" -- "VmSwap:\t%8lu kB\n", -- hiwater_vm << (PAGE_SHIFT-10), -+ "VmSwap:\t%8lu kB\n" -+ -+#ifdef CONFIG_ARCH_TRACK_EXEC_LIMIT -+ "CsBase:\t%8lx\nCsLim:\t%8lx\n" -+#endif -+ -+ ,hiwater_vm << (PAGE_SHIFT-10), - (total_vm - mm->reserved_vm) << (PAGE_SHIFT-10), - mm->locked_vm << (PAGE_SHIFT-10), - hiwater_rss << (PAGE_SHIFT-10), -@@ -60,7 +65,13 @@ void task_mem(struct seq_file *m, struct - data << (PAGE_SHIFT-10), - mm->stack_vm << (PAGE_SHIFT-10), text, lib, - (PTRS_PER_PTE*sizeof(pte_t)*mm->nr_ptes) >> 10, -- swap << (PAGE_SHIFT-10)); -+ swap << (PAGE_SHIFT-10) -+ -+#ifdef CONFIG_ARCH_TRACK_EXEC_LIMIT -+ , mm->context.user_cs_base, mm->context.user_cs_limit -+#endif -+ -+ ); - } - - unsigned long task_vsize(struct mm_struct *mm) -@@ -207,6 +218,12 @@ static int do_maps_open(struct inode *in - return ret; - } - -+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP -+#define PAX_RAND_FLAGS(_mm) (_mm != NULL && _mm != current->mm && \ -+ (_mm->pax_flags & MF_PAX_RANDMMAP || \ -+ _mm->pax_flags & MF_PAX_SEGMEXEC)) -+#endif -+ - static void show_map_vma(struct seq_file *m, struct vm_area_struct *vma) - { - struct mm_struct *mm = vma->vm_mm; -@@ -225,13 +242,13 @@ static void show_map_vma(struct seq_file - pgoff = ((loff_t)vma->vm_pgoff) << PAGE_SHIFT; - } - -- /* We don't show the stack guard page in /proc/maps */ -+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP -+ start = PAX_RAND_FLAGS(mm) ? 0UL : vma->vm_start; -+ end = PAX_RAND_FLAGS(mm) ? 0UL : vma->vm_end; -+#else - start = vma->vm_start; -- if (stack_guard_page_start(vma, start)) -- start += PAGE_SIZE; - end = vma->vm_end; -- if (stack_guard_page_end(vma, end)) -- end -= PAGE_SIZE; -+#endif - - seq_printf(m, "%08lx-%08lx %c%c%c%c %08llx %02x:%02x %lu %n", - start, -@@ -240,7 +257,11 @@ static void show_map_vma(struct seq_file - flags & VM_WRITE ? 'w' : '-', - flags & VM_EXEC ? 'x' : '-', - flags & VM_MAYSHARE ? 's' : 'p', -+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP -+ PAX_RAND_FLAGS(mm) ? 0UL : pgoff, -+#else - pgoff, -+#endif - MAJOR(dev), MINOR(dev), ino, &len); - - /* -@@ -249,7 +270,7 @@ static void show_map_vma(struct seq_file - */ - if (file) { - pad_len_spaces(m, len); -- seq_path(m, &file->f_path, "\n"); -+ seq_path(m, &file->f_path, "\n\\"); - } else { - const char *name = arch_vma_name(vma); - if (!name) { -@@ -257,8 +278,9 @@ static void show_map_vma(struct seq_file - if (vma->vm_start <= mm->brk && - vma->vm_end >= mm->start_brk) { - name = "[heap]"; -- } else if (vma->vm_start <= mm->start_stack && -- vma->vm_end >= mm->start_stack) { -+ } else if ((vma->vm_flags & (VM_GROWSDOWN | VM_GROWSUP)) || -+ (vma->vm_start <= mm->start_stack && -+ vma->vm_end >= mm->start_stack)) { - name = "[stack]"; - } - } else { -@@ -433,11 +455,16 @@ static int show_smap(struct seq_file *m, - }; - - memset(&mss, 0, sizeof mss); -- mss.vma = vma; -- /* mmap_sem is held in m_start */ -- if (vma->vm_mm && !is_vm_hugetlb_page(vma)) -- walk_page_range(vma->vm_start, vma->vm_end, &smaps_walk); -- -+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP -+ if (!PAX_RAND_FLAGS(vma->vm_mm)) { -+#endif -+ mss.vma = vma; -+ /* mmap_sem is held in m_start */ -+ if (vma->vm_mm && !is_vm_hugetlb_page(vma)) -+ walk_page_range(vma->vm_start, vma->vm_end, &smaps_walk); -+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP -+ } -+#endif - show_map_vma(m, vma); - - seq_printf(m, -@@ -455,7 +482,11 @@ static int show_smap(struct seq_file *m, - "KernelPageSize: %8lu kB\n" - "MMUPageSize: %8lu kB\n" - "Locked: %8lu kB\n", -+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP -+ PAX_RAND_FLAGS(vma->vm_mm) ? 0UL : (vma->vm_end - vma->vm_start) >> 10, -+#else - (vma->vm_end - vma->vm_start) >> 10, -+#endif - mss.resident >> 10, - (unsigned long)(mss.pss >> (10 + PSS_SHIFT)), - mss.shared_clean >> 10, -diff -urNp linux-2.6.39.3/fs/proc/task_nommu.c linux-2.6.39.3/fs/proc/task_nommu.c ---- linux-2.6.39.3/fs/proc/task_nommu.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/proc/task_nommu.c 2011-05-22 19:36:32.000000000 -0400 -@@ -51,7 +51,7 @@ void task_mem(struct seq_file *m, struct - else - bytes += kobjsize(mm); - -- if (current->fs && current->fs->users > 1) -+ if (current->fs && atomic_read(¤t->fs->users) > 1) - sbytes += kobjsize(current->fs); - else - bytes += kobjsize(current->fs); -@@ -166,7 +166,7 @@ static int nommu_vma_show(struct seq_fil - - if (file) { - pad_len_spaces(m, len); -- seq_path(m, &file->f_path, ""); -+ seq_path(m, &file->f_path, "\n\\"); - } else if (mm) { - if (vma->vm_start <= mm->start_stack && - vma->vm_end >= mm->start_stack) { -diff -urNp linux-2.6.39.3/fs/quota/netlink.c linux-2.6.39.3/fs/quota/netlink.c ---- linux-2.6.39.3/fs/quota/netlink.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/quota/netlink.c 2011-05-22 19:36:32.000000000 -0400 -@@ -33,7 +33,7 @@ static struct genl_family quota_genl_fam - void quota_send_warning(short type, unsigned int id, dev_t dev, - const char warntype) - { -- static atomic_t seq; -+ static atomic_unchecked_t seq; - struct sk_buff *skb; - void *msg_head; - int ret; -@@ -49,7 +49,7 @@ void quota_send_warning(short type, unsi - "VFS: Not enough memory to send quota warning.\n"); - return; - } -- msg_head = genlmsg_put(skb, 0, atomic_add_return(1, &seq), -+ msg_head = genlmsg_put(skb, 0, atomic_add_return_unchecked(1, &seq), - "a_genl_family, 0, QUOTA_NL_C_WARNING); - if (!msg_head) { - printk(KERN_ERR -diff -urNp linux-2.6.39.3/fs/readdir.c linux-2.6.39.3/fs/readdir.c ---- linux-2.6.39.3/fs/readdir.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/readdir.c 2011-05-22 19:41:42.000000000 -0400 -@@ -17,6 +17,7 @@ - #include <linux/security.h> - #include <linux/syscalls.h> - #include <linux/unistd.h> -+#include <linux/namei.h> - - #include <asm/uaccess.h> - -@@ -67,6 +68,7 @@ struct old_linux_dirent { - - struct readdir_callback { - struct old_linux_dirent __user * dirent; -+ struct file * file; - int result; - }; - -@@ -84,6 +86,10 @@ static int fillonedir(void * __buf, cons - buf->result = -EOVERFLOW; - return -EOVERFLOW; - } -+ -+ if (!gr_acl_handle_filldir(buf->file, name, namlen, ino)) -+ return 0; -+ - buf->result++; - dirent = buf->dirent; - if (!access_ok(VERIFY_WRITE, dirent, -@@ -116,6 +122,7 @@ SYSCALL_DEFINE3(old_readdir, unsigned in - - buf.result = 0; - buf.dirent = dirent; -+ buf.file = file; - - error = vfs_readdir(file, fillonedir, &buf); - if (buf.result) -@@ -142,6 +149,7 @@ struct linux_dirent { - struct getdents_callback { - struct linux_dirent __user * current_dir; - struct linux_dirent __user * previous; -+ struct file * file; - int count; - int error; - }; -@@ -163,6 +171,10 @@ static int filldir(void * __buf, const c - buf->error = -EOVERFLOW; - return -EOVERFLOW; - } -+ -+ if (!gr_acl_handle_filldir(buf->file, name, namlen, ino)) -+ return 0; -+ - dirent = buf->previous; - if (dirent) { - if (__put_user(offset, &dirent->d_off)) -@@ -210,6 +222,7 @@ SYSCALL_DEFINE3(getdents, unsigned int, - buf.previous = NULL; - buf.count = count; - buf.error = 0; -+ buf.file = file; - - error = vfs_readdir(file, filldir, &buf); - if (error >= 0) -@@ -229,6 +242,7 @@ out: - struct getdents_callback64 { - struct linux_dirent64 __user * current_dir; - struct linux_dirent64 __user * previous; -+ struct file *file; - int count; - int error; - }; -@@ -244,6 +258,10 @@ static int filldir64(void * __buf, const - buf->error = -EINVAL; /* only used if we fail.. */ - if (reclen > buf->count) - return -EINVAL; -+ -+ if (!gr_acl_handle_filldir(buf->file, name, namlen, ino)) -+ return 0; -+ - dirent = buf->previous; - if (dirent) { - if (__put_user(offset, &dirent->d_off)) -@@ -291,6 +309,7 @@ SYSCALL_DEFINE3(getdents64, unsigned int - - buf.current_dir = dirent; - buf.previous = NULL; -+ buf.file = file; - buf.count = count; - buf.error = 0; - -diff -urNp linux-2.6.39.3/fs/reiserfs/dir.c linux-2.6.39.3/fs/reiserfs/dir.c ---- linux-2.6.39.3/fs/reiserfs/dir.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/reiserfs/dir.c 2011-05-22 19:36:32.000000000 -0400 -@@ -66,6 +66,8 @@ int reiserfs_readdir_dentry(struct dentr - struct reiserfs_dir_entry de; - int ret = 0; - -+ pax_track_stack(); -+ - reiserfs_write_lock(inode->i_sb); - - reiserfs_check_lock_depth(inode->i_sb, "readdir"); -diff -urNp linux-2.6.39.3/fs/reiserfs/do_balan.c linux-2.6.39.3/fs/reiserfs/do_balan.c ---- linux-2.6.39.3/fs/reiserfs/do_balan.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/reiserfs/do_balan.c 2011-05-22 19:36:32.000000000 -0400 -@@ -2051,7 +2051,7 @@ void do_balance(struct tree_balance *tb, - return; - } - -- atomic_inc(&(fs_generation(tb->tb_sb))); -+ atomic_inc_unchecked(&(fs_generation(tb->tb_sb))); - do_balance_starts(tb); - - /* balance leaf returns 0 except if combining L R and S into -diff -urNp linux-2.6.39.3/fs/reiserfs/item_ops.c linux-2.6.39.3/fs/reiserfs/item_ops.c ---- linux-2.6.39.3/fs/reiserfs/item_ops.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/reiserfs/item_ops.c 2011-05-22 19:36:32.000000000 -0400 -@@ -102,7 +102,7 @@ static void sd_print_vi(struct virtual_i - vi->vi_index, vi->vi_type, vi->vi_ih); - } - --static struct item_operations stat_data_ops = { -+static const struct item_operations stat_data_ops = { - .bytes_number = sd_bytes_number, - .decrement_key = sd_decrement_key, - .is_left_mergeable = sd_is_left_mergeable, -@@ -196,7 +196,7 @@ static void direct_print_vi(struct virtu - vi->vi_index, vi->vi_type, vi->vi_ih); - } - --static struct item_operations direct_ops = { -+static const struct item_operations direct_ops = { - .bytes_number = direct_bytes_number, - .decrement_key = direct_decrement_key, - .is_left_mergeable = direct_is_left_mergeable, -@@ -341,7 +341,7 @@ static void indirect_print_vi(struct vir - vi->vi_index, vi->vi_type, vi->vi_ih); - } - --static struct item_operations indirect_ops = { -+static const struct item_operations indirect_ops = { - .bytes_number = indirect_bytes_number, - .decrement_key = indirect_decrement_key, - .is_left_mergeable = indirect_is_left_mergeable, -@@ -628,7 +628,7 @@ static void direntry_print_vi(struct vir - printk("\n"); - } - --static struct item_operations direntry_ops = { -+static const struct item_operations direntry_ops = { - .bytes_number = direntry_bytes_number, - .decrement_key = direntry_decrement_key, - .is_left_mergeable = direntry_is_left_mergeable, -@@ -724,7 +724,7 @@ static void errcatch_print_vi(struct vir - "Invalid item type observed, run fsck ASAP"); - } - --static struct item_operations errcatch_ops = { -+static const struct item_operations errcatch_ops = { - errcatch_bytes_number, - errcatch_decrement_key, - errcatch_is_left_mergeable, -@@ -746,7 +746,7 @@ static struct item_operations errcatch_o - #error Item types must use disk-format assigned values. - #endif - --struct item_operations *item_ops[TYPE_ANY + 1] = { -+const struct item_operations * const item_ops[TYPE_ANY + 1] = { - &stat_data_ops, - &indirect_ops, - &direct_ops, -diff -urNp linux-2.6.39.3/fs/reiserfs/journal.c linux-2.6.39.3/fs/reiserfs/journal.c ---- linux-2.6.39.3/fs/reiserfs/journal.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/reiserfs/journal.c 2011-05-22 19:36:32.000000000 -0400 -@@ -2299,6 +2299,8 @@ static struct buffer_head *reiserfs_brea - struct buffer_head *bh; - int i, j; - -+ pax_track_stack(); -+ - bh = __getblk(dev, block, bufsize); - if (buffer_uptodate(bh)) - return (bh); -diff -urNp linux-2.6.39.3/fs/reiserfs/namei.c linux-2.6.39.3/fs/reiserfs/namei.c ---- linux-2.6.39.3/fs/reiserfs/namei.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/reiserfs/namei.c 2011-05-22 19:36:32.000000000 -0400 -@@ -1225,6 +1225,8 @@ static int reiserfs_rename(struct inode - unsigned long savelink = 1; - struct timespec ctime; - -+ pax_track_stack(); -+ - /* three balancings: (1) old name removal, (2) new name insertion - and (3) maybe "save" link insertion - stat data updates: (1) old directory, -diff -urNp linux-2.6.39.3/fs/reiserfs/procfs.c linux-2.6.39.3/fs/reiserfs/procfs.c ---- linux-2.6.39.3/fs/reiserfs/procfs.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/reiserfs/procfs.c 2011-05-22 19:36:32.000000000 -0400 -@@ -113,7 +113,7 @@ static int show_super(struct seq_file *m - "SMALL_TAILS " : "NO_TAILS ", - replay_only(sb) ? "REPLAY_ONLY " : "", - convert_reiserfs(sb) ? "CONV " : "", -- atomic_read(&r->s_generation_counter), -+ atomic_read_unchecked(&r->s_generation_counter), - SF(s_disk_reads), SF(s_disk_writes), SF(s_fix_nodes), - SF(s_do_balance), SF(s_unneeded_left_neighbor), - SF(s_good_search_by_key_reada), SF(s_bmaps), -@@ -299,6 +299,8 @@ static int show_journal(struct seq_file - struct journal_params *jp = &rs->s_v1.s_journal; - char b[BDEVNAME_SIZE]; - -+ pax_track_stack(); -+ - seq_printf(m, /* on-disk fields */ - "jp_journal_1st_block: \t%i\n" - "jp_journal_dev: \t%s[%x]\n" -diff -urNp linux-2.6.39.3/fs/reiserfs/stree.c linux-2.6.39.3/fs/reiserfs/stree.c ---- linux-2.6.39.3/fs/reiserfs/stree.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/reiserfs/stree.c 2011-05-22 19:36:32.000000000 -0400 -@@ -1196,6 +1196,8 @@ int reiserfs_delete_item(struct reiserfs - int iter = 0; - #endif - -+ pax_track_stack(); -+ - BUG_ON(!th->t_trans_id); - - init_tb_struct(th, &s_del_balance, sb, path, -@@ -1333,6 +1335,8 @@ void reiserfs_delete_solid_item(struct r - int retval; - int quota_cut_bytes = 0; - -+ pax_track_stack(); -+ - BUG_ON(!th->t_trans_id); - - le_key2cpu_key(&cpu_key, key); -@@ -1562,6 +1566,8 @@ int reiserfs_cut_from_item(struct reiser - int quota_cut_bytes; - loff_t tail_pos = 0; - -+ pax_track_stack(); -+ - BUG_ON(!th->t_trans_id); - - init_tb_struct(th, &s_cut_balance, inode->i_sb, path, -@@ -1957,6 +1963,8 @@ int reiserfs_paste_into_item(struct reis - int retval; - int fs_gen; - -+ pax_track_stack(); -+ - BUG_ON(!th->t_trans_id); - - fs_gen = get_generation(inode->i_sb); -@@ -2045,6 +2053,8 @@ int reiserfs_insert_item(struct reiserfs - int fs_gen = 0; - int quota_bytes = 0; - -+ pax_track_stack(); -+ - BUG_ON(!th->t_trans_id); - - if (inode) { /* Do we count quotas for item? */ -diff -urNp linux-2.6.39.3/fs/reiserfs/super.c linux-2.6.39.3/fs/reiserfs/super.c ---- linux-2.6.39.3/fs/reiserfs/super.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/reiserfs/super.c 2011-05-22 19:36:32.000000000 -0400 -@@ -927,6 +927,8 @@ static int reiserfs_parse_options(struct - {.option_name = NULL} - }; - -+ pax_track_stack(); -+ - *blocks = 0; - if (!options || !*options) - /* use default configuration: create tails, journaling on, no -diff -urNp linux-2.6.39.3/fs/select.c linux-2.6.39.3/fs/select.c ---- linux-2.6.39.3/fs/select.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/select.c 2011-05-22 19:41:42.000000000 -0400 -@@ -20,6 +20,7 @@ - #include <linux/module.h> - #include <linux/slab.h> - #include <linux/poll.h> -+#include <linux/security.h> - #include <linux/personality.h> /* for STICKY_TIMEOUTS */ - #include <linux/file.h> - #include <linux/fdtable.h> -@@ -403,6 +404,8 @@ int do_select(int n, fd_set_bits *fds, s - int retval, i, timed_out = 0; - unsigned long slack = 0; - -+ pax_track_stack(); -+ - rcu_read_lock(); - retval = max_select_fd(n, fds); - rcu_read_unlock(); -@@ -528,6 +531,8 @@ int core_sys_select(int n, fd_set __user - /* Allocate small arguments on the stack to save memory and be faster */ - long stack_fds[SELECT_STACK_ALLOC/sizeof(long)]; - -+ pax_track_stack(); -+ - ret = -EINVAL; - if (n < 0) - goto out_nofds; -@@ -837,6 +842,9 @@ int do_sys_poll(struct pollfd __user *uf - struct poll_list *walk = head; - unsigned long todo = nfds; - -+ pax_track_stack(); -+ -+ gr_learn_resource(current, RLIMIT_NOFILE, nfds, 1); - if (nfds > rlimit(RLIMIT_NOFILE)) - return -EINVAL; - -diff -urNp linux-2.6.39.3/fs/seq_file.c linux-2.6.39.3/fs/seq_file.c ---- linux-2.6.39.3/fs/seq_file.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/seq_file.c 2011-05-22 19:36:32.000000000 -0400 -@@ -76,7 +76,8 @@ static int traverse(struct seq_file *m, - return 0; - } - if (!m->buf) { -- m->buf = kmalloc(m->size = PAGE_SIZE, GFP_KERNEL); -+ m->size = PAGE_SIZE; -+ m->buf = kmalloc(PAGE_SIZE, GFP_KERNEL); - if (!m->buf) - return -ENOMEM; - } -@@ -116,7 +117,8 @@ static int traverse(struct seq_file *m, - Eoverflow: - m->op->stop(m, p); - kfree(m->buf); -- m->buf = kmalloc(m->size <<= 1, GFP_KERNEL); -+ m->size <<= 1; -+ m->buf = kmalloc(m->size, GFP_KERNEL); - return !m->buf ? -ENOMEM : -EAGAIN; - } - -@@ -169,7 +171,8 @@ ssize_t seq_read(struct file *file, char - m->version = file->f_version; - /* grab buffer if we didn't have one */ - if (!m->buf) { -- m->buf = kmalloc(m->size = PAGE_SIZE, GFP_KERNEL); -+ m->size = PAGE_SIZE; -+ m->buf = kmalloc(PAGE_SIZE, GFP_KERNEL); - if (!m->buf) - goto Enomem; - } -@@ -210,7 +213,8 @@ ssize_t seq_read(struct file *file, char - goto Fill; - m->op->stop(m, p); - kfree(m->buf); -- m->buf = kmalloc(m->size <<= 1, GFP_KERNEL); -+ m->size <<= 1; -+ m->buf = kmalloc(m->size, GFP_KERNEL); - if (!m->buf) - goto Enomem; - m->count = 0; -diff -urNp linux-2.6.39.3/fs/splice.c linux-2.6.39.3/fs/splice.c ---- linux-2.6.39.3/fs/splice.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/splice.c 2011-05-22 19:36:32.000000000 -0400 -@@ -186,7 +186,7 @@ ssize_t splice_to_pipe(struct pipe_inode - pipe_lock(pipe); - - for (;;) { -- if (!pipe->readers) { -+ if (!atomic_read(&pipe->readers)) { - send_sig(SIGPIPE, current, 0); - if (!ret) - ret = -EPIPE; -@@ -240,9 +240,9 @@ ssize_t splice_to_pipe(struct pipe_inode - do_wakeup = 0; - } - -- pipe->waiting_writers++; -+ atomic_inc(&pipe->waiting_writers); - pipe_wait(pipe); -- pipe->waiting_writers--; -+ atomic_dec(&pipe->waiting_writers); - } - - pipe_unlock(pipe); -@@ -316,6 +316,8 @@ __generic_file_splice_read(struct file * - .spd_release = spd_release_page, - }; - -+ pax_track_stack(); -+ - if (splice_grow_spd(pipe, &spd)) - return -ENOMEM; - -@@ -556,7 +558,7 @@ static ssize_t kernel_readv(struct file - old_fs = get_fs(); - set_fs(get_ds()); - /* The cast to a user pointer is valid due to the set_fs() */ -- res = vfs_readv(file, (const struct iovec __user *)vec, vlen, &pos); -+ res = vfs_readv(file, (__force const struct iovec __user *)vec, vlen, &pos); - set_fs(old_fs); - - return res; -@@ -571,7 +573,7 @@ static ssize_t kernel_write(struct file - old_fs = get_fs(); - set_fs(get_ds()); - /* The cast to a user pointer is valid due to the set_fs() */ -- res = vfs_write(file, (const char __user *)buf, count, &pos); -+ res = vfs_write(file, (__force const char __user *)buf, count, &pos); - set_fs(old_fs); - - return res; -@@ -599,6 +601,8 @@ ssize_t default_file_splice_read(struct - .spd_release = spd_release_page, - }; - -+ pax_track_stack(); -+ - if (splice_grow_spd(pipe, &spd)) - return -ENOMEM; - -@@ -622,7 +626,7 @@ ssize_t default_file_splice_read(struct - goto err; - - this_len = min_t(size_t, len, PAGE_CACHE_SIZE - offset); -- vec[i].iov_base = (void __user *) page_address(page); -+ vec[i].iov_base = (__force void __user *) page_address(page); - vec[i].iov_len = this_len; - spd.pages[i] = page; - spd.nr_pages++; -@@ -842,10 +846,10 @@ EXPORT_SYMBOL(splice_from_pipe_feed); - int splice_from_pipe_next(struct pipe_inode_info *pipe, struct splice_desc *sd) - { - while (!pipe->nrbufs) { -- if (!pipe->writers) -+ if (!atomic_read(&pipe->writers)) - return 0; - -- if (!pipe->waiting_writers && sd->num_spliced) -+ if (!atomic_read(&pipe->waiting_writers) && sd->num_spliced) - return 0; - - if (sd->flags & SPLICE_F_NONBLOCK) -@@ -1178,7 +1182,7 @@ ssize_t splice_direct_to_actor(struct fi - * out of the pipe right after the splice_to_pipe(). So set - * PIPE_READERS appropriately. - */ -- pipe->readers = 1; -+ atomic_set(&pipe->readers, 1); - - current->splice_pipe = pipe; - } -@@ -1615,6 +1619,8 @@ static long vmsplice_to_pipe(struct file - }; - long ret; - -+ pax_track_stack(); -+ - pipe = get_pipe_info(file); - if (!pipe) - return -EBADF; -@@ -1730,9 +1736,9 @@ static int ipipe_prep(struct pipe_inode_ - ret = -ERESTARTSYS; - break; - } -- if (!pipe->writers) -+ if (!atomic_read(&pipe->writers)) - break; -- if (!pipe->waiting_writers) { -+ if (!atomic_read(&pipe->waiting_writers)) { - if (flags & SPLICE_F_NONBLOCK) { - ret = -EAGAIN; - break; -@@ -1764,7 +1770,7 @@ static int opipe_prep(struct pipe_inode_ - pipe_lock(pipe); - - while (pipe->nrbufs >= pipe->buffers) { -- if (!pipe->readers) { -+ if (!atomic_read(&pipe->readers)) { - send_sig(SIGPIPE, current, 0); - ret = -EPIPE; - break; -@@ -1777,9 +1783,9 @@ static int opipe_prep(struct pipe_inode_ - ret = -ERESTARTSYS; - break; - } -- pipe->waiting_writers++; -+ atomic_inc(&pipe->waiting_writers); - pipe_wait(pipe); -- pipe->waiting_writers--; -+ atomic_dec(&pipe->waiting_writers); - } - - pipe_unlock(pipe); -@@ -1815,14 +1821,14 @@ retry: - pipe_double_lock(ipipe, opipe); - - do { -- if (!opipe->readers) { -+ if (!atomic_read(&opipe->readers)) { - send_sig(SIGPIPE, current, 0); - if (!ret) - ret = -EPIPE; - break; - } - -- if (!ipipe->nrbufs && !ipipe->writers) -+ if (!ipipe->nrbufs && !atomic_read(&ipipe->writers)) - break; - - /* -@@ -1922,7 +1928,7 @@ static int link_pipe(struct pipe_inode_i - pipe_double_lock(ipipe, opipe); - - do { -- if (!opipe->readers) { -+ if (!atomic_read(&opipe->readers)) { - send_sig(SIGPIPE, current, 0); - if (!ret) - ret = -EPIPE; -@@ -1967,7 +1973,7 @@ static int link_pipe(struct pipe_inode_i - * return EAGAIN if we have the potential of some data in the - * future, otherwise just return 0 - */ -- if (!ret && ipipe->waiting_writers && (flags & SPLICE_F_NONBLOCK)) -+ if (!ret && atomic_read(&ipipe->waiting_writers) && (flags & SPLICE_F_NONBLOCK)) - ret = -EAGAIN; - - pipe_unlock(ipipe); -diff -urNp linux-2.6.39.3/fs/sysfs/file.c linux-2.6.39.3/fs/sysfs/file.c ---- linux-2.6.39.3/fs/sysfs/file.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/sysfs/file.c 2011-05-22 19:36:32.000000000 -0400 -@@ -44,7 +44,7 @@ static DEFINE_SPINLOCK(sysfs_open_dirent - - struct sysfs_open_dirent { - atomic_t refcnt; -- atomic_t event; -+ atomic_unchecked_t event; - wait_queue_head_t poll; - struct list_head buffers; /* goes through sysfs_buffer.list */ - }; -@@ -88,7 +88,7 @@ static int fill_read_buffer(struct dentr - if (!sysfs_get_active(attr_sd)) - return -ENODEV; - -- buffer->event = atomic_read(&attr_sd->s_attr.open->event); -+ buffer->event = atomic_read_unchecked(&attr_sd->s_attr.open->event); - count = ops->show(kobj, attr_sd->s_attr.attr, buffer->page); - - sysfs_put_active(attr_sd); -@@ -294,7 +294,7 @@ static int sysfs_get_open_dirent(struct - return -ENOMEM; - - atomic_set(&new_od->refcnt, 0); -- atomic_set(&new_od->event, 1); -+ atomic_set_unchecked(&new_od->event, 1); - init_waitqueue_head(&new_od->poll); - INIT_LIST_HEAD(&new_od->buffers); - goto retry; -@@ -444,7 +444,7 @@ static unsigned int sysfs_poll(struct fi - - sysfs_put_active(attr_sd); - -- if (buffer->event != atomic_read(&od->event)) -+ if (buffer->event != atomic_read_unchecked(&od->event)) - goto trigger; - - return DEFAULT_POLLMASK; -@@ -463,7 +463,7 @@ void sysfs_notify_dirent(struct sysfs_di - - od = sd->s_attr.open; - if (od) { -- atomic_inc(&od->event); -+ atomic_inc_unchecked(&od->event); - wake_up_interruptible(&od->poll); - } - -diff -urNp linux-2.6.39.3/fs/sysfs/mount.c linux-2.6.39.3/fs/sysfs/mount.c ---- linux-2.6.39.3/fs/sysfs/mount.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/sysfs/mount.c 2011-05-22 19:41:42.000000000 -0400 -@@ -36,7 +36,11 @@ struct sysfs_dirent sysfs_root = { - .s_name = "", - .s_count = ATOMIC_INIT(1), - .s_flags = SYSFS_DIR | (KOBJ_NS_TYPE_NONE << SYSFS_NS_TYPE_SHIFT), -+#ifdef CONFIG_GRKERNSEC_SYSFS_RESTRICT -+ .s_mode = S_IFDIR | S_IRWXU, -+#else - .s_mode = S_IFDIR | S_IRWXU | S_IRUGO | S_IXUGO, -+#endif - .s_ino = 1, - }; - -diff -urNp linux-2.6.39.3/fs/sysfs/symlink.c linux-2.6.39.3/fs/sysfs/symlink.c ---- linux-2.6.39.3/fs/sysfs/symlink.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/sysfs/symlink.c 2011-05-22 19:36:32.000000000 -0400 -@@ -286,7 +286,7 @@ static void *sysfs_follow_link(struct de - - static void sysfs_put_link(struct dentry *dentry, struct nameidata *nd, void *cookie) - { -- char *page = nd_get_link(nd); -+ const char *page = nd_get_link(nd); - if (!IS_ERR(page)) - free_page((unsigned long)page); - } -diff -urNp linux-2.6.39.3/fs/udf/inode.c linux-2.6.39.3/fs/udf/inode.c ---- linux-2.6.39.3/fs/udf/inode.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/udf/inode.c 2011-05-22 19:36:32.000000000 -0400 -@@ -560,6 +560,8 @@ static struct buffer_head *inode_getblk( - int goal = 0, pgoal = iinfo->i_location.logicalBlockNum; - int lastblock = 0; - -+ pax_track_stack(); -+ - prev_epos.offset = udf_file_entry_alloc_offset(inode); - prev_epos.block = iinfo->i_location; - prev_epos.bh = NULL; -diff -urNp linux-2.6.39.3/fs/udf/misc.c linux-2.6.39.3/fs/udf/misc.c ---- linux-2.6.39.3/fs/udf/misc.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/udf/misc.c 2011-05-22 19:36:32.000000000 -0400 -@@ -286,7 +286,7 @@ void udf_new_tag(char *data, uint16_t id - - u8 udf_tag_checksum(const struct tag *t) - { -- u8 *data = (u8 *)t; -+ const u8 *data = (const u8 *)t; - u8 checksum = 0; - int i; - for (i = 0; i < sizeof(struct tag); ++i) -diff -urNp linux-2.6.39.3/fs/utimes.c linux-2.6.39.3/fs/utimes.c ---- linux-2.6.39.3/fs/utimes.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/utimes.c 2011-05-22 19:41:42.000000000 -0400 -@@ -1,6 +1,7 @@ - #include <linux/compiler.h> - #include <linux/file.h> - #include <linux/fs.h> -+#include <linux/security.h> - #include <linux/linkage.h> - #include <linux/mount.h> - #include <linux/namei.h> -@@ -101,6 +102,12 @@ static int utimes_common(struct path *pa - goto mnt_drop_write_and_out; - } - } -+ -+ if (!gr_acl_handle_utime(path->dentry, path->mnt)) { -+ error = -EACCES; -+ goto mnt_drop_write_and_out; -+ } -+ - mutex_lock(&inode->i_mutex); - error = notify_change(path->dentry, &newattrs); - mutex_unlock(&inode->i_mutex); -diff -urNp linux-2.6.39.3/fs/xattr_acl.c linux-2.6.39.3/fs/xattr_acl.c ---- linux-2.6.39.3/fs/xattr_acl.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/xattr_acl.c 2011-05-22 19:36:32.000000000 -0400 -@@ -17,8 +17,8 @@ - struct posix_acl * - posix_acl_from_xattr(const void *value, size_t size) - { -- posix_acl_xattr_header *header = (posix_acl_xattr_header *)value; -- posix_acl_xattr_entry *entry = (posix_acl_xattr_entry *)(header+1), *end; -+ const posix_acl_xattr_header *header = (const posix_acl_xattr_header *)value; -+ const posix_acl_xattr_entry *entry = (const posix_acl_xattr_entry *)(header+1), *end; - int count; - struct posix_acl *acl; - struct posix_acl_entry *acl_e; -diff -urNp linux-2.6.39.3/fs/xattr.c linux-2.6.39.3/fs/xattr.c ---- linux-2.6.39.3/fs/xattr.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/xattr.c 2011-05-22 19:41:42.000000000 -0400 -@@ -247,7 +247,7 @@ EXPORT_SYMBOL_GPL(vfs_removexattr); - * Extended attribute SET operations - */ - static long --setxattr(struct dentry *d, const char __user *name, const void __user *value, -+setxattr(struct path *path, const char __user *name, const void __user *value, - size_t size, int flags) - { - int error; -@@ -271,7 +271,13 @@ setxattr(struct dentry *d, const char __ - return PTR_ERR(kvalue); - } - -- error = vfs_setxattr(d, kname, kvalue, size, flags); -+ if (!gr_acl_handle_setxattr(path->dentry, path->mnt)) { -+ error = -EACCES; -+ goto out; -+ } -+ -+ error = vfs_setxattr(path->dentry, kname, kvalue, size, flags); -+out: - kfree(kvalue); - return error; - } -@@ -288,7 +294,7 @@ SYSCALL_DEFINE5(setxattr, const char __u - return error; - error = mnt_want_write(path.mnt); - if (!error) { -- error = setxattr(path.dentry, name, value, size, flags); -+ error = setxattr(&path, name, value, size, flags); - mnt_drop_write(path.mnt); - } - path_put(&path); -@@ -307,7 +313,7 @@ SYSCALL_DEFINE5(lsetxattr, const char __ - return error; - error = mnt_want_write(path.mnt); - if (!error) { -- error = setxattr(path.dentry, name, value, size, flags); -+ error = setxattr(&path, name, value, size, flags); - mnt_drop_write(path.mnt); - } - path_put(&path); -@@ -318,17 +324,15 @@ SYSCALL_DEFINE5(fsetxattr, int, fd, cons - const void __user *,value, size_t, size, int, flags) - { - struct file *f; -- struct dentry *dentry; - int error = -EBADF; - - f = fget(fd); - if (!f) - return error; -- dentry = f->f_path.dentry; -- audit_inode(NULL, dentry); -+ audit_inode(NULL, f->f_path.dentry); - error = mnt_want_write_file(f); - if (!error) { -- error = setxattr(dentry, name, value, size, flags); -+ error = setxattr(&f->f_path, name, value, size, flags); - mnt_drop_write(f->f_path.mnt); - } - fput(f); -diff -urNp linux-2.6.39.3/fs/xfs/linux-2.6/xfs_ioctl32.c linux-2.6.39.3/fs/xfs/linux-2.6/xfs_ioctl32.c ---- linux-2.6.39.3/fs/xfs/linux-2.6/xfs_ioctl32.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/xfs/linux-2.6/xfs_ioctl32.c 2011-05-22 19:41:42.000000000 -0400 -@@ -73,6 +73,7 @@ xfs_compat_ioc_fsgeometry_v1( - xfs_fsop_geom_t fsgeo; - int error; - -+ memset(&fsgeo, 0, sizeof(fsgeo)); - error = xfs_fs_geometry(mp, &fsgeo, 3); - if (error) - return -error; -diff -urNp linux-2.6.39.3/fs/xfs/linux-2.6/xfs_ioctl.c linux-2.6.39.3/fs/xfs/linux-2.6/xfs_ioctl.c ---- linux-2.6.39.3/fs/xfs/linux-2.6/xfs_ioctl.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/xfs/linux-2.6/xfs_ioctl.c 2011-05-22 19:36:32.000000000 -0400 -@@ -128,7 +128,7 @@ xfs_find_handle( - } - - error = -EFAULT; -- if (copy_to_user(hreq->ohandle, &handle, hsize) || -+ if (hsize > sizeof handle || copy_to_user(hreq->ohandle, &handle, hsize) || - copy_to_user(hreq->ohandlen, &hsize, sizeof(__s32))) - goto out_put; - -diff -urNp linux-2.6.39.3/fs/xfs/linux-2.6/xfs_iops.c linux-2.6.39.3/fs/xfs/linux-2.6/xfs_iops.c ---- linux-2.6.39.3/fs/xfs/linux-2.6/xfs_iops.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/xfs/linux-2.6/xfs_iops.c 2011-05-22 19:36:32.000000000 -0400 -@@ -437,7 +437,7 @@ xfs_vn_put_link( - struct nameidata *nd, - void *p) - { -- char *s = nd_get_link(nd); -+ const char *s = nd_get_link(nd); - - if (!IS_ERR(s)) - kfree(s); -diff -urNp linux-2.6.39.3/fs/xfs/xfs_bmap.c linux-2.6.39.3/fs/xfs/xfs_bmap.c ---- linux-2.6.39.3/fs/xfs/xfs_bmap.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/xfs/xfs_bmap.c 2011-05-22 19:36:32.000000000 -0400 -@@ -287,7 +287,7 @@ xfs_bmap_validate_ret( - int nmap, - int ret_nmap); - #else --#define xfs_bmap_validate_ret(bno,len,flags,mval,onmap,nmap) -+#define xfs_bmap_validate_ret(bno,len,flags,mval,onmap,nmap) do {} while (0) - #endif /* DEBUG */ - - STATIC int -diff -urNp linux-2.6.39.3/fs/xfs/xfs_dir2.c linux-2.6.39.3/fs/xfs/xfs_dir2.c ---- linux-2.6.39.3/fs/xfs/xfs_dir2.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/xfs/xfs_dir2.c 2011-05-22 19:36:32.000000000 -0400 -@@ -85,7 +85,7 @@ xfs_ascii_ci_compname( - return result; - } - --static struct xfs_nameops xfs_ascii_ci_nameops = { -+static const struct xfs_nameops xfs_ascii_ci_nameops = { - .hashname = xfs_ascii_ci_hashname, - .compname = xfs_ascii_ci_compname, - }; -diff -urNp linux-2.6.39.3/fs/xfs/xfs_dir2_sf.c linux-2.6.39.3/fs/xfs/xfs_dir2_sf.c ---- linux-2.6.39.3/fs/xfs/xfs_dir2_sf.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/fs/xfs/xfs_dir2_sf.c 2011-05-22 19:36:32.000000000 -0400 -@@ -780,7 +780,15 @@ xfs_dir2_sf_getdents( - } - - ino = xfs_dir2_sf_get_inumber(sfp, xfs_dir2_sf_inumberp(sfep)); -- if (filldir(dirent, (char *)sfep->name, sfep->namelen, -+ if (dp->i_df.if_u1.if_data == dp->i_df.if_u2.if_inline_data) { -+ char name[sfep->namelen]; -+ memcpy(name, sfep->name, sfep->namelen); -+ if (filldir(dirent, name, sfep->namelen, -+ off & 0x7fffffff, ino, DT_UNKNOWN)) { -+ *offset = off & 0x7fffffff; -+ return 0; -+ } -+ } else if (filldir(dirent, (char *)sfep->name, sfep->namelen, - off & 0x7fffffff, ino, DT_UNKNOWN)) { - *offset = off & 0x7fffffff; - return 0; -diff -urNp linux-2.6.39.3/grsecurity/gracl_alloc.c linux-2.6.39.3/grsecurity/gracl_alloc.c ---- linux-2.6.39.3/grsecurity/gracl_alloc.c 1969-12-31 19:00:00.000000000 -0500 -+++ linux-2.6.39.3/grsecurity/gracl_alloc.c 2011-05-22 19:41:42.000000000 -0400 -@@ -0,0 +1,105 @@ -+#include <linux/kernel.h> -+#include <linux/mm.h> -+#include <linux/slab.h> -+#include <linux/vmalloc.h> -+#include <linux/gracl.h> -+#include <linux/grsecurity.h> -+ -+static unsigned long alloc_stack_next = 1; -+static unsigned long alloc_stack_size = 1; -+static void **alloc_stack; -+ -+static __inline__ int -+alloc_pop(void) -+{ -+ if (alloc_stack_next == 1) -+ return 0; -+ -+ kfree(alloc_stack[alloc_stack_next - 2]); -+ -+ alloc_stack_next--; -+ -+ return 1; -+} -+ -+static __inline__ int -+alloc_push(void *buf) -+{ -+ if (alloc_stack_next >= alloc_stack_size) -+ return 1; -+ -+ alloc_stack[alloc_stack_next - 1] = buf; -+ -+ alloc_stack_next++; -+ -+ return 0; -+} -+ -+void * -+acl_alloc(unsigned long len) -+{ -+ void *ret = NULL; -+ -+ if (!len || len > PAGE_SIZE) -+ goto out; -+ -+ ret = kmalloc(len, GFP_KERNEL); -+ -+ if (ret) { -+ if (alloc_push(ret)) { -+ kfree(ret); -+ ret = NULL; -+ } -+ } -+ -+out: -+ return ret; -+} -+ -+void * -+acl_alloc_num(unsigned long num, unsigned long len) -+{ -+ if (!len || (num > (PAGE_SIZE / len))) -+ return NULL; -+ -+ return acl_alloc(num * len); -+} -+ -+void -+acl_free_all(void) -+{ -+ if (gr_acl_is_enabled() || !alloc_stack) -+ return; -+ -+ while (alloc_pop()) ; -+ -+ if (alloc_stack) { -+ if ((alloc_stack_size * sizeof (void *)) <= PAGE_SIZE) -+ kfree(alloc_stack); -+ else -+ vfree(alloc_stack); -+ } -+ -+ alloc_stack = NULL; -+ alloc_stack_size = 1; -+ alloc_stack_next = 1; -+ -+ return; -+} -+ -+int -+acl_alloc_stack_init(unsigned long size) -+{ -+ if ((size * sizeof (void *)) <= PAGE_SIZE) -+ alloc_stack = -+ (void **) kmalloc(size * sizeof (void *), GFP_KERNEL); -+ else -+ alloc_stack = (void **) vmalloc(size * sizeof (void *)); -+ -+ alloc_stack_size = size; -+ -+ if (!alloc_stack) -+ return 0; -+ else -+ return 1; -+} -diff -urNp linux-2.6.39.3/grsecurity/gracl.c linux-2.6.39.3/grsecurity/gracl.c ---- linux-2.6.39.3/grsecurity/gracl.c 1969-12-31 19:00:00.000000000 -0500 -+++ linux-2.6.39.3/grsecurity/gracl.c 2011-07-14 21:03:00.000000000 -0400 -@@ -0,0 +1,4106 @@ -+#include <linux/kernel.h> -+#include <linux/module.h> -+#include <linux/sched.h> -+#include <linux/mm.h> -+#include <linux/file.h> -+#include <linux/fs.h> -+#include <linux/namei.h> -+#include <linux/mount.h> -+#include <linux/tty.h> -+#include <linux/proc_fs.h> -+#include <linux/lglock.h> -+#include <linux/slab.h> -+#include <linux/vmalloc.h> -+#include <linux/types.h> -+#include <linux/sysctl.h> -+#include <linux/netdevice.h> -+#include <linux/ptrace.h> -+#include <linux/gracl.h> -+#include <linux/gralloc.h> -+#include <linux/grsecurity.h> -+#include <linux/grinternal.h> -+#include <linux/pid_namespace.h> -+#include <linux/fdtable.h> -+#include <linux/percpu.h> -+ -+#include <asm/uaccess.h> -+#include <asm/errno.h> -+#include <asm/mman.h> -+ -+static struct acl_role_db acl_role_set; -+static struct name_db name_set; -+static struct inodev_db inodev_set; -+ -+/* for keeping track of userspace pointers used for subjects, so we -+ can share references in the kernel as well -+*/ -+ -+static struct path real_root; -+ -+static struct acl_subj_map_db subj_map_set; -+ -+static struct acl_role_label *default_role; -+ -+static struct acl_role_label *role_list; -+ -+static u16 acl_sp_role_value; -+ -+extern char *gr_shared_page[4]; -+static DEFINE_MUTEX(gr_dev_mutex); -+DEFINE_RWLOCK(gr_inode_lock); -+ -+struct gr_arg *gr_usermode; -+ -+static unsigned int gr_status __read_only = GR_STATUS_INIT; -+ -+extern int chkpw(struct gr_arg *entry, unsigned char *salt, unsigned char *sum); -+extern void gr_clear_learn_entries(void); -+ -+#ifdef CONFIG_GRKERNSEC_RESLOG -+extern void gr_log_resource(const struct task_struct *task, -+ const int res, const unsigned long wanted, const int gt); -+#endif -+ -+unsigned char *gr_system_salt; -+unsigned char *gr_system_sum; -+ -+static struct sprole_pw **acl_special_roles = NULL; -+static __u16 num_sprole_pws = 0; -+ -+static struct acl_role_label *kernel_role = NULL; -+ -+static unsigned int gr_auth_attempts = 0; -+static unsigned long gr_auth_expires = 0UL; -+ -+#ifdef CONFIG_NET -+extern struct vfsmount *sock_mnt; -+#endif -+ -+extern struct vfsmount *pipe_mnt; -+extern struct vfsmount *shm_mnt; -+#ifdef CONFIG_HUGETLBFS -+extern struct vfsmount *hugetlbfs_vfsmount; -+#endif -+ -+static struct acl_object_label *fakefs_obj_rw; -+static struct acl_object_label *fakefs_obj_rwx; -+ -+extern int gr_init_uidset(void); -+extern void gr_free_uidset(void); -+extern void gr_remove_uid(uid_t uid); -+extern int gr_find_uid(uid_t uid); -+ -+DECLARE_BRLOCK(vfsmount_lock); -+ -+__inline__ int -+gr_acl_is_enabled(void) -+{ -+ return (gr_status & GR_READY); -+} -+ -+#ifdef CONFIG_BTRFS_FS -+extern dev_t get_btrfs_dev_from_inode(struct inode *inode); -+extern int btrfs_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat); -+#endif -+ -+static inline dev_t __get_dev(const struct dentry *dentry) -+{ -+#ifdef CONFIG_BTRFS_FS -+ if (dentry->d_inode->i_op && dentry->d_inode->i_op->getattr == &btrfs_getattr) -+ return get_btrfs_dev_from_inode(dentry->d_inode); -+ else -+#endif -+ return dentry->d_inode->i_sb->s_dev; -+} -+ -+dev_t gr_get_dev_from_dentry(struct dentry *dentry) -+{ -+ return __get_dev(dentry); -+} -+ -+static char gr_task_roletype_to_char(struct task_struct *task) -+{ -+ switch (task->role->roletype & -+ (GR_ROLE_DEFAULT | GR_ROLE_USER | GR_ROLE_GROUP | -+ GR_ROLE_SPECIAL)) { -+ case GR_ROLE_DEFAULT: -+ return 'D'; -+ case GR_ROLE_USER: -+ return 'U'; -+ case GR_ROLE_GROUP: -+ return 'G'; -+ case GR_ROLE_SPECIAL: -+ return 'S'; -+ } -+ -+ return 'X'; -+} -+ -+char gr_roletype_to_char(void) -+{ -+ return gr_task_roletype_to_char(current); -+} -+ -+__inline__ int -+gr_acl_tpe_check(void) -+{ -+ if (unlikely(!(gr_status & GR_READY))) -+ return 0; -+ if (current->role->roletype & GR_ROLE_TPE) -+ return 1; -+ else -+ return 0; -+} -+ -+int -+gr_handle_rawio(const struct inode *inode) -+{ -+#ifdef CONFIG_GRKERNSEC_CHROOT_CAPS -+ if (inode && S_ISBLK(inode->i_mode) && -+ grsec_enable_chroot_caps && proc_is_chrooted(current) && -+ !capable(CAP_SYS_RAWIO)) -+ return 1; -+#endif -+ return 0; -+} -+ -+static int -+gr_streq(const char *a, const char *b, const unsigned int lena, const unsigned int lenb) -+{ -+ if (likely(lena != lenb)) -+ return 0; -+ -+ return !memcmp(a, b, lena); -+} -+ -+static int prepend(char **buffer, int *buflen, const char *str, int namelen) -+{ -+ *buflen -= namelen; -+ if (*buflen < 0) -+ return -ENAMETOOLONG; -+ *buffer -= namelen; -+ memcpy(*buffer, str, namelen); -+ return 0; -+} -+ -+static int prepend_name(char **buffer, int *buflen, struct qstr *name) -+{ -+ return prepend(buffer, buflen, name->name, name->len); -+} -+ -+static int prepend_path(const struct path *path, struct path *root, -+ char **buffer, int *buflen) -+{ -+ struct dentry *dentry = path->dentry; -+ struct vfsmount *vfsmnt = path->mnt; -+ bool slash = false; -+ int error = 0; -+ -+ while (dentry != root->dentry || vfsmnt != root->mnt) { -+ struct dentry * parent; -+ -+ if (dentry == vfsmnt->mnt_root || IS_ROOT(dentry)) { -+ /* Global root? */ -+ if (vfsmnt->mnt_parent == vfsmnt) { -+ goto out; -+ } -+ dentry = vfsmnt->mnt_mountpoint; -+ vfsmnt = vfsmnt->mnt_parent; -+ continue; -+ } -+ parent = dentry->d_parent; -+ prefetch(parent); -+ spin_lock(&dentry->d_lock); -+ error = prepend_name(buffer, buflen, &dentry->d_name); -+ spin_unlock(&dentry->d_lock); -+ if (!error) -+ error = prepend(buffer, buflen, "/", 1); -+ if (error) -+ break; -+ -+ slash = true; -+ dentry = parent; -+ } -+ -+out: -+ if (!error && !slash) -+ error = prepend(buffer, buflen, "/", 1); -+ -+ return error; -+} -+ -+/* this must be called with vfsmount_lock and rename_lock held */ -+ -+static char *__our_d_path(const struct path *path, struct path *root, -+ char *buf, int buflen) -+{ -+ char *res = buf + buflen; -+ int error; -+ -+ prepend(&res, &buflen, "\0", 1); -+ error = prepend_path(path, root, &res, &buflen); -+ if (error) -+ return ERR_PTR(error); -+ -+ return res; -+} -+ -+static char * -+gen_full_path(struct path *path, struct path *root, char *buf, int buflen) -+{ -+ char *retval; -+ -+ retval = __our_d_path(path, root, buf, buflen); -+ if (unlikely(IS_ERR(retval))) -+ retval = strcpy(buf, "<path too long>"); -+ else if (unlikely(retval[1] == '/' && retval[2] == '\0')) -+ retval[1] = '\0'; -+ -+ return retval; -+} -+ -+static char * -+__d_real_path(const struct dentry *dentry, const struct vfsmount *vfsmnt, -+ char *buf, int buflen) -+{ -+ struct path path; -+ char *res; -+ -+ path.dentry = (struct dentry *)dentry; -+ path.mnt = (struct vfsmount *)vfsmnt; -+ -+ /* we can use real_root.dentry, real_root.mnt, because this is only called -+ by the RBAC system */ -+ res = gen_full_path(&path, &real_root, buf, buflen); -+ -+ return res; -+} -+ -+static char * -+d_real_path(const struct dentry *dentry, const struct vfsmount *vfsmnt, -+ char *buf, int buflen) -+{ -+ char *res; -+ struct path path; -+ struct path root; -+ struct task_struct *reaper = &init_task; -+ -+ path.dentry = (struct dentry *)dentry; -+ path.mnt = (struct vfsmount *)vfsmnt; -+ -+ /* we can't use real_root.dentry, real_root.mnt, because they belong only to the RBAC system */ -+ get_fs_root(reaper->fs, &root); -+ -+ write_seqlock(&rename_lock); -+ br_read_lock(vfsmount_lock); -+ res = gen_full_path(&path, &root, buf, buflen); -+ br_read_unlock(vfsmount_lock); -+ write_sequnlock(&rename_lock); -+ -+ path_put(&root); -+ return res; -+} -+ -+static char * -+gr_to_filename_rbac(const struct dentry *dentry, const struct vfsmount *mnt) -+{ -+ char *ret; -+ write_seqlock(&rename_lock); -+ br_read_lock(vfsmount_lock); -+ ret = __d_real_path(dentry, mnt, per_cpu_ptr(gr_shared_page[0],smp_processor_id()), -+ PAGE_SIZE); -+ br_read_unlock(vfsmount_lock); -+ write_sequnlock(&rename_lock); -+ return ret; -+} -+ -+char * -+gr_to_filename_nolock(const struct dentry *dentry, const struct vfsmount *mnt) -+{ -+ return __d_real_path(dentry, mnt, per_cpu_ptr(gr_shared_page[0],smp_processor_id()), -+ PAGE_SIZE); -+} -+ -+char * -+gr_to_filename(const struct dentry *dentry, const struct vfsmount *mnt) -+{ -+ return d_real_path(dentry, mnt, per_cpu_ptr(gr_shared_page[0], smp_processor_id()), -+ PAGE_SIZE); -+} -+ -+char * -+gr_to_filename1(const struct dentry *dentry, const struct vfsmount *mnt) -+{ -+ return d_real_path(dentry, mnt, per_cpu_ptr(gr_shared_page[1], smp_processor_id()), -+ PAGE_SIZE); -+} -+ -+char * -+gr_to_filename2(const struct dentry *dentry, const struct vfsmount *mnt) -+{ -+ return d_real_path(dentry, mnt, per_cpu_ptr(gr_shared_page[2], smp_processor_id()), -+ PAGE_SIZE); -+} -+ -+char * -+gr_to_filename3(const struct dentry *dentry, const struct vfsmount *mnt) -+{ -+ return d_real_path(dentry, mnt, per_cpu_ptr(gr_shared_page[3], smp_processor_id()), -+ PAGE_SIZE); -+} -+ -+__inline__ __u32 -+to_gr_audit(const __u32 reqmode) -+{ -+ /* masks off auditable permission flags, then shifts them to create -+ auditing flags, and adds the special case of append auditing if -+ we're requesting write */ -+ return (((reqmode & ~GR_AUDITS) << 10) | ((reqmode & GR_WRITE) ? GR_AUDIT_APPEND : 0)); -+} -+ -+struct acl_subject_label * -+lookup_subject_map(const struct acl_subject_label *userp) -+{ -+ unsigned int index = shash(userp, subj_map_set.s_size); -+ struct subject_map *match; -+ -+ match = subj_map_set.s_hash[index]; -+ -+ while (match && match->user != userp) -+ match = match->next; -+ -+ if (match != NULL) -+ return match->kernel; -+ else -+ return NULL; -+} -+ -+static void -+insert_subj_map_entry(struct subject_map *subjmap) -+{ -+ unsigned int index = shash(subjmap->user, subj_map_set.s_size); -+ struct subject_map **curr; -+ -+ subjmap->prev = NULL; -+ -+ curr = &subj_map_set.s_hash[index]; -+ if (*curr != NULL) -+ (*curr)->prev = subjmap; -+ -+ subjmap->next = *curr; -+ *curr = subjmap; -+ -+ return; -+} -+ -+static struct acl_role_label * -+lookup_acl_role_label(const struct task_struct *task, const uid_t uid, -+ const gid_t gid) -+{ -+ unsigned int index = rhash(uid, GR_ROLE_USER, acl_role_set.r_size); -+ struct acl_role_label *match; -+ struct role_allowed_ip *ipp; -+ unsigned int x; -+ u32 curr_ip = task->signal->curr_ip; -+ -+ task->signal->saved_ip = curr_ip; -+ -+ match = acl_role_set.r_hash[index]; -+ -+ while (match) { -+ if ((match->roletype & (GR_ROLE_DOMAIN | GR_ROLE_USER)) == (GR_ROLE_DOMAIN | GR_ROLE_USER)) { -+ for (x = 0; x < match->domain_child_num; x++) { -+ if (match->domain_children[x] == uid) -+ goto found; -+ } -+ } else if (match->uidgid == uid && match->roletype & GR_ROLE_USER) -+ break; -+ match = match->next; -+ } -+found: -+ if (match == NULL) { -+ try_group: -+ index = rhash(gid, GR_ROLE_GROUP, acl_role_set.r_size); -+ match = acl_role_set.r_hash[index]; -+ -+ while (match) { -+ if ((match->roletype & (GR_ROLE_DOMAIN | GR_ROLE_GROUP)) == (GR_ROLE_DOMAIN | GR_ROLE_GROUP)) { -+ for (x = 0; x < match->domain_child_num; x++) { -+ if (match->domain_children[x] == gid) -+ goto found2; -+ } -+ } else if (match->uidgid == gid && match->roletype & GR_ROLE_GROUP) -+ break; -+ match = match->next; -+ } -+found2: -+ if (match == NULL) -+ match = default_role; -+ if (match->allowed_ips == NULL) -+ return match; -+ else { -+ for (ipp = match->allowed_ips; ipp; ipp = ipp->next) { -+ if (likely -+ ((ntohl(curr_ip) & ipp->netmask) == -+ (ntohl(ipp->addr) & ipp->netmask))) -+ return match; -+ } -+ match = default_role; -+ } -+ } else if (match->allowed_ips == NULL) { -+ return match; -+ } else { -+ for (ipp = match->allowed_ips; ipp; ipp = ipp->next) { -+ if (likely -+ ((ntohl(curr_ip) & ipp->netmask) == -+ (ntohl(ipp->addr) & ipp->netmask))) -+ return match; -+ } -+ goto try_group; -+ } -+ -+ return match; -+} -+ -+struct acl_subject_label * -+lookup_acl_subj_label(const ino_t ino, const dev_t dev, -+ const struct acl_role_label *role) -+{ -+ unsigned int index = fhash(ino, dev, role->subj_hash_size); -+ struct acl_subject_label *match; -+ -+ match = role->subj_hash[index]; -+ -+ while (match && (match->inode != ino || match->device != dev || -+ (match->mode & GR_DELETED))) { -+ match = match->next; -+ } -+ -+ if (match && !(match->mode & GR_DELETED)) -+ return match; -+ else -+ return NULL; -+} -+ -+struct acl_subject_label * -+lookup_acl_subj_label_deleted(const ino_t ino, const dev_t dev, -+ const struct acl_role_label *role) -+{ -+ unsigned int index = fhash(ino, dev, role->subj_hash_size); -+ struct acl_subject_label *match; -+ -+ match = role->subj_hash[index]; -+ -+ while (match && (match->inode != ino || match->device != dev || -+ !(match->mode & GR_DELETED))) { -+ match = match->next; -+ } -+ -+ if (match && (match->mode & GR_DELETED)) -+ return match; -+ else -+ return NULL; -+} -+ -+static struct acl_object_label * -+lookup_acl_obj_label(const ino_t ino, const dev_t dev, -+ const struct acl_subject_label *subj) -+{ -+ unsigned int index = fhash(ino, dev, subj->obj_hash_size); -+ struct acl_object_label *match; -+ -+ match = subj->obj_hash[index]; -+ -+ while (match && (match->inode != ino || match->device != dev || -+ (match->mode & GR_DELETED))) { -+ match = match->next; -+ } -+ -+ if (match && !(match->mode & GR_DELETED)) -+ return match; -+ else -+ return NULL; -+} -+ -+static struct acl_object_label * -+lookup_acl_obj_label_create(const ino_t ino, const dev_t dev, -+ const struct acl_subject_label *subj) -+{ -+ unsigned int index = fhash(ino, dev, subj->obj_hash_size); -+ struct acl_object_label *match; -+ -+ match = subj->obj_hash[index]; -+ -+ while (match && (match->inode != ino || match->device != dev || -+ !(match->mode & GR_DELETED))) { -+ match = match->next; -+ } -+ -+ if (match && (match->mode & GR_DELETED)) -+ return match; -+ -+ match = subj->obj_hash[index]; -+ -+ while (match && (match->inode != ino || match->device != dev || -+ (match->mode & GR_DELETED))) { -+ match = match->next; -+ } -+ -+ if (match && !(match->mode & GR_DELETED)) -+ return match; -+ else -+ return NULL; -+} -+ -+static struct name_entry * -+lookup_name_entry(const char *name) -+{ -+ unsigned int len = strlen(name); -+ unsigned int key = full_name_hash(name, len); -+ unsigned int index = key % name_set.n_size; -+ struct name_entry *match; -+ -+ match = name_set.n_hash[index]; -+ -+ while (match && (match->key != key || !gr_streq(match->name, name, match->len, len))) -+ match = match->next; -+ -+ return match; -+} -+ -+static struct name_entry * -+lookup_name_entry_create(const char *name) -+{ -+ unsigned int len = strlen(name); -+ unsigned int key = full_name_hash(name, len); -+ unsigned int index = key % name_set.n_size; -+ struct name_entry *match; -+ -+ match = name_set.n_hash[index]; -+ -+ while (match && (match->key != key || !gr_streq(match->name, name, match->len, len) || -+ !match->deleted)) -+ match = match->next; -+ -+ if (match && match->deleted) -+ return match; -+ -+ match = name_set.n_hash[index]; -+ -+ while (match && (match->key != key || !gr_streq(match->name, name, match->len, len) || -+ match->deleted)) -+ match = match->next; -+ -+ if (match && !match->deleted) -+ return match; -+ else -+ return NULL; -+} -+ -+static struct inodev_entry * -+lookup_inodev_entry(const ino_t ino, const dev_t dev) -+{ -+ unsigned int index = fhash(ino, dev, inodev_set.i_size); -+ struct inodev_entry *match; -+ -+ match = inodev_set.i_hash[index]; -+ -+ while (match && (match->nentry->inode != ino || match->nentry->device != dev)) -+ match = match->next; -+ -+ return match; -+} -+ -+static void -+insert_inodev_entry(struct inodev_entry *entry) -+{ -+ unsigned int index = fhash(entry->nentry->inode, entry->nentry->device, -+ inodev_set.i_size); -+ struct inodev_entry **curr; -+ -+ entry->prev = NULL; -+ -+ curr = &inodev_set.i_hash[index]; -+ if (*curr != NULL) -+ (*curr)->prev = entry; -+ -+ entry->next = *curr; -+ *curr = entry; -+ -+ return; -+} -+ -+static void -+__insert_acl_role_label(struct acl_role_label *role, uid_t uidgid) -+{ -+ unsigned int index = -+ rhash(uidgid, role->roletype & (GR_ROLE_USER | GR_ROLE_GROUP), acl_role_set.r_size); -+ struct acl_role_label **curr; -+ struct acl_role_label *tmp; -+ -+ curr = &acl_role_set.r_hash[index]; -+ -+ /* if role was already inserted due to domains and already has -+ a role in the same bucket as it attached, then we need to -+ combine these two buckets -+ */ -+ if (role->next) { -+ tmp = role->next; -+ while (tmp->next) -+ tmp = tmp->next; -+ tmp->next = *curr; -+ } else -+ role->next = *curr; -+ *curr = role; -+ -+ return; -+} -+ -+static void -+insert_acl_role_label(struct acl_role_label *role) -+{ -+ int i; -+ -+ if (role_list == NULL) { -+ role_list = role; -+ role->prev = NULL; -+ } else { -+ role->prev = role_list; -+ role_list = role; -+ } -+ -+ /* used for hash chains */ -+ role->next = NULL; -+ -+ if (role->roletype & GR_ROLE_DOMAIN) { -+ for (i = 0; i < role->domain_child_num; i++) -+ __insert_acl_role_label(role, role->domain_children[i]); -+ } else -+ __insert_acl_role_label(role, role->uidgid); -+} -+ -+static int -+insert_name_entry(char *name, const ino_t inode, const dev_t device, __u8 deleted) -+{ -+ struct name_entry **curr, *nentry; -+ struct inodev_entry *ientry; -+ unsigned int len = strlen(name); -+ unsigned int key = full_name_hash(name, len); -+ unsigned int index = key % name_set.n_size; -+ -+ curr = &name_set.n_hash[index]; -+ -+ while (*curr && ((*curr)->key != key || !gr_streq((*curr)->name, name, (*curr)->len, len))) -+ curr = &((*curr)->next); -+ -+ if (*curr != NULL) -+ return 1; -+ -+ nentry = acl_alloc(sizeof (struct name_entry)); -+ if (nentry == NULL) -+ return 0; -+ ientry = acl_alloc(sizeof (struct inodev_entry)); -+ if (ientry == NULL) -+ return 0; -+ ientry->nentry = nentry; -+ -+ nentry->key = key; -+ nentry->name = name; -+ nentry->inode = inode; -+ nentry->device = device; -+ nentry->len = len; -+ nentry->deleted = deleted; -+ -+ nentry->prev = NULL; -+ curr = &name_set.n_hash[index]; -+ if (*curr != NULL) -+ (*curr)->prev = nentry; -+ nentry->next = *curr; -+ *curr = nentry; -+ -+ /* insert us into the table searchable by inode/dev */ -+ insert_inodev_entry(ientry); -+ -+ return 1; -+} -+ -+static void -+insert_acl_obj_label(struct acl_object_label *obj, -+ struct acl_subject_label *subj) -+{ -+ unsigned int index = -+ fhash(obj->inode, obj->device, subj->obj_hash_size); -+ struct acl_object_label **curr; -+ -+ -+ obj->prev = NULL; -+ -+ curr = &subj->obj_hash[index]; -+ if (*curr != NULL) -+ (*curr)->prev = obj; -+ -+ obj->next = *curr; -+ *curr = obj; -+ -+ return; -+} -+ -+static void -+insert_acl_subj_label(struct acl_subject_label *obj, -+ struct acl_role_label *role) -+{ -+ unsigned int index = fhash(obj->inode, obj->device, role->subj_hash_size); -+ struct acl_subject_label **curr; -+ -+ obj->prev = NULL; -+ -+ curr = &role->subj_hash[index]; -+ if (*curr != NULL) -+ (*curr)->prev = obj; -+ -+ obj->next = *curr; -+ *curr = obj; -+ -+ return; -+} -+ -+/* allocating chained hash tables, so optimal size is where lambda ~ 1 */ -+ -+static void * -+create_table(__u32 * len, int elementsize) -+{ -+ unsigned int table_sizes[] = { -+ 7, 13, 31, 61, 127, 251, 509, 1021, 2039, 4093, 8191, 16381, -+ 32749, 65521, 131071, 262139, 524287, 1048573, 2097143, -+ 4194301, 8388593, 16777213, 33554393, 67108859 -+ }; -+ void *newtable = NULL; -+ unsigned int pwr = 0; -+ -+ while ((pwr < ((sizeof (table_sizes) / sizeof (table_sizes[0])) - 1)) && -+ table_sizes[pwr] <= *len) -+ pwr++; -+ -+ if (table_sizes[pwr] <= *len || (table_sizes[pwr] > ULONG_MAX / elementsize)) -+ return newtable; -+ -+ if ((table_sizes[pwr] * elementsize) <= PAGE_SIZE) -+ newtable = -+ kmalloc(table_sizes[pwr] * elementsize, GFP_KERNEL); -+ else -+ newtable = vmalloc(table_sizes[pwr] * elementsize); -+ -+ *len = table_sizes[pwr]; -+ -+ return newtable; -+} -+ -+static int -+init_variables(const struct gr_arg *arg) -+{ -+ struct task_struct *reaper = &init_task; -+ unsigned int stacksize; -+ -+ subj_map_set.s_size = arg->role_db.num_subjects; -+ acl_role_set.r_size = arg->role_db.num_roles + arg->role_db.num_domain_children; -+ name_set.n_size = arg->role_db.num_objects; -+ inodev_set.i_size = arg->role_db.num_objects; -+ -+ if (!subj_map_set.s_size || !acl_role_set.r_size || -+ !name_set.n_size || !inodev_set.i_size) -+ return 1; -+ -+ if (!gr_init_uidset()) -+ return 1; -+ -+ /* set up the stack that holds allocation info */ -+ -+ stacksize = arg->role_db.num_pointers + 5; -+ -+ if (!acl_alloc_stack_init(stacksize)) -+ return 1; -+ -+ /* grab reference for the real root dentry and vfsmount */ -+ get_fs_root(reaper->fs, &real_root); -+ -+#ifdef CONFIG_GRKERNSEC_RBAC_DEBUG -+ printk(KERN_ALERT "Obtained real root device=%d, inode=%lu\n", __get_dev(real_root.dentry), real_root.dentry->d_inode->i_ino); -+#endif -+ -+ fakefs_obj_rw = acl_alloc(sizeof(struct acl_object_label)); -+ if (fakefs_obj_rw == NULL) -+ return 1; -+ fakefs_obj_rw->mode = GR_FIND | GR_READ | GR_WRITE; -+ -+ fakefs_obj_rwx = acl_alloc(sizeof(struct acl_object_label)); -+ if (fakefs_obj_rwx == NULL) -+ return 1; -+ fakefs_obj_rwx->mode = GR_FIND | GR_READ | GR_WRITE | GR_EXEC; -+ -+ subj_map_set.s_hash = -+ (struct subject_map **) create_table(&subj_map_set.s_size, sizeof(void *)); -+ acl_role_set.r_hash = -+ (struct acl_role_label **) create_table(&acl_role_set.r_size, sizeof(void *)); -+ name_set.n_hash = (struct name_entry **) create_table(&name_set.n_size, sizeof(void *)); -+ inodev_set.i_hash = -+ (struct inodev_entry **) create_table(&inodev_set.i_size, sizeof(void *)); -+ -+ if (!subj_map_set.s_hash || !acl_role_set.r_hash || -+ !name_set.n_hash || !inodev_set.i_hash) -+ return 1; -+ -+ memset(subj_map_set.s_hash, 0, -+ sizeof(struct subject_map *) * subj_map_set.s_size); -+ memset(acl_role_set.r_hash, 0, -+ sizeof (struct acl_role_label *) * acl_role_set.r_size); -+ memset(name_set.n_hash, 0, -+ sizeof (struct name_entry *) * name_set.n_size); -+ memset(inodev_set.i_hash, 0, -+ sizeof (struct inodev_entry *) * inodev_set.i_size); -+ -+ return 0; -+} -+ -+/* free information not needed after startup -+ currently contains user->kernel pointer mappings for subjects -+*/ -+ -+static void -+free_init_variables(void) -+{ -+ __u32 i; -+ -+ if (subj_map_set.s_hash) { -+ for (i = 0; i < subj_map_set.s_size; i++) { -+ if (subj_map_set.s_hash[i]) { -+ kfree(subj_map_set.s_hash[i]); -+ subj_map_set.s_hash[i] = NULL; -+ } -+ } -+ -+ if ((subj_map_set.s_size * sizeof (struct subject_map *)) <= -+ PAGE_SIZE) -+ kfree(subj_map_set.s_hash); -+ else -+ vfree(subj_map_set.s_hash); -+ } -+ -+ return; -+} -+ -+static void -+free_variables(void) -+{ -+ struct acl_subject_label *s; -+ struct acl_role_label *r; -+ struct task_struct *task, *task2; -+ unsigned int x; -+ -+ gr_clear_learn_entries(); -+ -+ read_lock(&tasklist_lock); -+ do_each_thread(task2, task) { -+ task->acl_sp_role = 0; -+ task->acl_role_id = 0; -+ task->acl = NULL; -+ task->role = NULL; -+ } while_each_thread(task2, task); -+ read_unlock(&tasklist_lock); -+ -+ /* release the reference to the real root dentry and vfsmount */ -+ path_put(&real_root); -+ -+ /* free all object hash tables */ -+ -+ FOR_EACH_ROLE_START(r) -+ if (r->subj_hash == NULL) -+ goto next_role; -+ FOR_EACH_SUBJECT_START(r, s, x) -+ if (s->obj_hash == NULL) -+ break; -+ if ((s->obj_hash_size * sizeof (struct acl_object_label *)) <= PAGE_SIZE) -+ kfree(s->obj_hash); -+ else -+ vfree(s->obj_hash); -+ FOR_EACH_SUBJECT_END(s, x) -+ FOR_EACH_NESTED_SUBJECT_START(r, s) -+ if (s->obj_hash == NULL) -+ break; -+ if ((s->obj_hash_size * sizeof (struct acl_object_label *)) <= PAGE_SIZE) -+ kfree(s->obj_hash); -+ else -+ vfree(s->obj_hash); -+ FOR_EACH_NESTED_SUBJECT_END(s) -+ if ((r->subj_hash_size * sizeof (struct acl_subject_label *)) <= PAGE_SIZE) -+ kfree(r->subj_hash); -+ else -+ vfree(r->subj_hash); -+ r->subj_hash = NULL; -+next_role: -+ FOR_EACH_ROLE_END(r) -+ -+ acl_free_all(); -+ -+ if (acl_role_set.r_hash) { -+ if ((acl_role_set.r_size * sizeof (struct acl_role_label *)) <= -+ PAGE_SIZE) -+ kfree(acl_role_set.r_hash); -+ else -+ vfree(acl_role_set.r_hash); -+ } -+ if (name_set.n_hash) { -+ if ((name_set.n_size * sizeof (struct name_entry *)) <= -+ PAGE_SIZE) -+ kfree(name_set.n_hash); -+ else -+ vfree(name_set.n_hash); -+ } -+ -+ if (inodev_set.i_hash) { -+ if ((inodev_set.i_size * sizeof (struct inodev_entry *)) <= -+ PAGE_SIZE) -+ kfree(inodev_set.i_hash); -+ else -+ vfree(inodev_set.i_hash); -+ } -+ -+ gr_free_uidset(); -+ -+ memset(&name_set, 0, sizeof (struct name_db)); -+ memset(&inodev_set, 0, sizeof (struct inodev_db)); -+ memset(&acl_role_set, 0, sizeof (struct acl_role_db)); -+ memset(&subj_map_set, 0, sizeof (struct acl_subj_map_db)); -+ -+ default_role = NULL; -+ role_list = NULL; -+ -+ return; -+} -+ -+static __u32 -+count_user_objs(struct acl_object_label *userp) -+{ -+ struct acl_object_label o_tmp; -+ __u32 num = 0; -+ -+ while (userp) { -+ if (copy_from_user(&o_tmp, userp, -+ sizeof (struct acl_object_label))) -+ break; -+ -+ userp = o_tmp.prev; -+ num++; -+ } -+ -+ return num; -+} -+ -+static struct acl_subject_label * -+do_copy_user_subj(struct acl_subject_label *userp, struct acl_role_label *role); -+ -+static int -+copy_user_glob(struct acl_object_label *obj) -+{ -+ struct acl_object_label *g_tmp, **guser; -+ unsigned int len; -+ char *tmp; -+ -+ if (obj->globbed == NULL) -+ return 0; -+ -+ guser = &obj->globbed; -+ while (*guser) { -+ g_tmp = (struct acl_object_label *) -+ acl_alloc(sizeof (struct acl_object_label)); -+ if (g_tmp == NULL) -+ return -ENOMEM; -+ -+ if (copy_from_user(g_tmp, *guser, -+ sizeof (struct acl_object_label))) -+ return -EFAULT; -+ -+ len = strnlen_user(g_tmp->filename, PATH_MAX); -+ -+ if (!len || len >= PATH_MAX) -+ return -EINVAL; -+ -+ if ((tmp = (char *) acl_alloc(len)) == NULL) -+ return -ENOMEM; -+ -+ if (copy_from_user(tmp, g_tmp->filename, len)) -+ return -EFAULT; -+ tmp[len-1] = '\0'; -+ g_tmp->filename = tmp; -+ -+ *guser = g_tmp; -+ guser = &(g_tmp->next); -+ } -+ -+ return 0; -+} -+ -+static int -+copy_user_objs(struct acl_object_label *userp, struct acl_subject_label *subj, -+ struct acl_role_label *role) -+{ -+ struct acl_object_label *o_tmp; -+ unsigned int len; -+ int ret; -+ char *tmp; -+ -+ while (userp) { -+ if ((o_tmp = (struct acl_object_label *) -+ acl_alloc(sizeof (struct acl_object_label))) == NULL) -+ return -ENOMEM; -+ -+ if (copy_from_user(o_tmp, userp, -+ sizeof (struct acl_object_label))) -+ return -EFAULT; -+ -+ userp = o_tmp->prev; -+ -+ len = strnlen_user(o_tmp->filename, PATH_MAX); -+ -+ if (!len || len >= PATH_MAX) -+ return -EINVAL; -+ -+ if ((tmp = (char *) acl_alloc(len)) == NULL) -+ return -ENOMEM; -+ -+ if (copy_from_user(tmp, o_tmp->filename, len)) -+ return -EFAULT; -+ tmp[len-1] = '\0'; -+ o_tmp->filename = tmp; -+ -+ insert_acl_obj_label(o_tmp, subj); -+ if (!insert_name_entry(o_tmp->filename, o_tmp->inode, -+ o_tmp->device, (o_tmp->mode & GR_DELETED) ? 1 : 0)) -+ return -ENOMEM; -+ -+ ret = copy_user_glob(o_tmp); -+ if (ret) -+ return ret; -+ -+ if (o_tmp->nested) { -+ o_tmp->nested = do_copy_user_subj(o_tmp->nested, role); -+ if (IS_ERR(o_tmp->nested)) -+ return PTR_ERR(o_tmp->nested); -+ -+ /* insert into nested subject list */ -+ o_tmp->nested->next = role->hash->first; -+ role->hash->first = o_tmp->nested; -+ } -+ } -+ -+ return 0; -+} -+ -+static __u32 -+count_user_subjs(struct acl_subject_label *userp) -+{ -+ struct acl_subject_label s_tmp; -+ __u32 num = 0; -+ -+ while (userp) { -+ if (copy_from_user(&s_tmp, userp, -+ sizeof (struct acl_subject_label))) -+ break; -+ -+ userp = s_tmp.prev; -+ /* do not count nested subjects against this count, since -+ they are not included in the hash table, but are -+ attached to objects. We have already counted -+ the subjects in userspace for the allocation -+ stack -+ */ -+ if (!(s_tmp.mode & GR_NESTED)) -+ num++; -+ } -+ -+ return num; -+} -+ -+static int -+copy_user_allowedips(struct acl_role_label *rolep) -+{ -+ struct role_allowed_ip *ruserip, *rtmp = NULL, *rlast; -+ -+ ruserip = rolep->allowed_ips; -+ -+ while (ruserip) { -+ rlast = rtmp; -+ -+ if ((rtmp = (struct role_allowed_ip *) -+ acl_alloc(sizeof (struct role_allowed_ip))) == NULL) -+ return -ENOMEM; -+ -+ if (copy_from_user(rtmp, ruserip, -+ sizeof (struct role_allowed_ip))) -+ return -EFAULT; -+ -+ ruserip = rtmp->prev; -+ -+ if (!rlast) { -+ rtmp->prev = NULL; -+ rolep->allowed_ips = rtmp; -+ } else { -+ rlast->next = rtmp; -+ rtmp->prev = rlast; -+ } -+ -+ if (!ruserip) -+ rtmp->next = NULL; -+ } -+ -+ return 0; -+} -+ -+static int -+copy_user_transitions(struct acl_role_label *rolep) -+{ -+ struct role_transition *rusertp, *rtmp = NULL, *rlast; -+ -+ unsigned int len; -+ char *tmp; -+ -+ rusertp = rolep->transitions; -+ -+ while (rusertp) { -+ rlast = rtmp; -+ -+ if ((rtmp = (struct role_transition *) -+ acl_alloc(sizeof (struct role_transition))) == NULL) -+ return -ENOMEM; -+ -+ if (copy_from_user(rtmp, rusertp, -+ sizeof (struct role_transition))) -+ return -EFAULT; -+ -+ rusertp = rtmp->prev; -+ -+ len = strnlen_user(rtmp->rolename, GR_SPROLE_LEN); -+ -+ if (!len || len >= GR_SPROLE_LEN) -+ return -EINVAL; -+ -+ if ((tmp = (char *) acl_alloc(len)) == NULL) -+ return -ENOMEM; -+ -+ if (copy_from_user(tmp, rtmp->rolename, len)) -+ return -EFAULT; -+ tmp[len-1] = '\0'; -+ rtmp->rolename = tmp; -+ -+ if (!rlast) { -+ rtmp->prev = NULL; -+ rolep->transitions = rtmp; -+ } else { -+ rlast->next = rtmp; -+ rtmp->prev = rlast; -+ } -+ -+ if (!rusertp) -+ rtmp->next = NULL; -+ } -+ -+ return 0; -+} -+ -+static struct acl_subject_label * -+do_copy_user_subj(struct acl_subject_label *userp, struct acl_role_label *role) -+{ -+ struct acl_subject_label *s_tmp = NULL, *s_tmp2; -+ unsigned int len; -+ char *tmp; -+ __u32 num_objs; -+ struct acl_ip_label **i_tmp, *i_utmp2; -+ struct gr_hash_struct ghash; -+ struct subject_map *subjmap; -+ unsigned int i_num; -+ int err; -+ -+ s_tmp = lookup_subject_map(userp); -+ -+ /* we've already copied this subject into the kernel, just return -+ the reference to it, and don't copy it over again -+ */ -+ if (s_tmp) -+ return(s_tmp); -+ -+ if ((s_tmp = (struct acl_subject_label *) -+ acl_alloc(sizeof (struct acl_subject_label))) == NULL) -+ return ERR_PTR(-ENOMEM); -+ -+ subjmap = (struct subject_map *)kmalloc(sizeof (struct subject_map), GFP_KERNEL); -+ if (subjmap == NULL) -+ return ERR_PTR(-ENOMEM); -+ -+ subjmap->user = userp; -+ subjmap->kernel = s_tmp; -+ insert_subj_map_entry(subjmap); -+ -+ if (copy_from_user(s_tmp, userp, -+ sizeof (struct acl_subject_label))) -+ return ERR_PTR(-EFAULT); -+ -+ len = strnlen_user(s_tmp->filename, PATH_MAX); -+ -+ if (!len || len >= PATH_MAX) -+ return ERR_PTR(-EINVAL); -+ -+ if ((tmp = (char *) acl_alloc(len)) == NULL) -+ return ERR_PTR(-ENOMEM); -+ -+ if (copy_from_user(tmp, s_tmp->filename, len)) -+ return ERR_PTR(-EFAULT); -+ tmp[len-1] = '\0'; -+ s_tmp->filename = tmp; -+ -+ if (!strcmp(s_tmp->filename, "/")) -+ role->root_label = s_tmp; -+ -+ if (copy_from_user(&ghash, s_tmp->hash, sizeof(struct gr_hash_struct))) -+ return ERR_PTR(-EFAULT); -+ -+ /* copy user and group transition tables */ -+ -+ if (s_tmp->user_trans_num) { -+ uid_t *uidlist; -+ -+ uidlist = (uid_t *)acl_alloc_num(s_tmp->user_trans_num, sizeof(uid_t)); -+ if (uidlist == NULL) -+ return ERR_PTR(-ENOMEM); -+ if (copy_from_user(uidlist, s_tmp->user_transitions, s_tmp->user_trans_num * sizeof(uid_t))) -+ return ERR_PTR(-EFAULT); -+ -+ s_tmp->user_transitions = uidlist; -+ } -+ -+ if (s_tmp->group_trans_num) { -+ gid_t *gidlist; -+ -+ gidlist = (gid_t *)acl_alloc_num(s_tmp->group_trans_num, sizeof(gid_t)); -+ if (gidlist == NULL) -+ return ERR_PTR(-ENOMEM); -+ if (copy_from_user(gidlist, s_tmp->group_transitions, s_tmp->group_trans_num * sizeof(gid_t))) -+ return ERR_PTR(-EFAULT); -+ -+ s_tmp->group_transitions = gidlist; -+ } -+ -+ /* set up object hash table */ -+ num_objs = count_user_objs(ghash.first); -+ -+ s_tmp->obj_hash_size = num_objs; -+ s_tmp->obj_hash = -+ (struct acl_object_label **) -+ create_table(&(s_tmp->obj_hash_size), sizeof(void *)); -+ -+ if (!s_tmp->obj_hash) -+ return ERR_PTR(-ENOMEM); -+ -+ memset(s_tmp->obj_hash, 0, -+ s_tmp->obj_hash_size * -+ sizeof (struct acl_object_label *)); -+ -+ /* add in objects */ -+ err = copy_user_objs(ghash.first, s_tmp, role); -+ -+ if (err) -+ return ERR_PTR(err); -+ -+ /* set pointer for parent subject */ -+ if (s_tmp->parent_subject) { -+ s_tmp2 = do_copy_user_subj(s_tmp->parent_subject, role); -+ -+ if (IS_ERR(s_tmp2)) -+ return s_tmp2; -+ -+ s_tmp->parent_subject = s_tmp2; -+ } -+ -+ /* add in ip acls */ -+ -+ if (!s_tmp->ip_num) { -+ s_tmp->ips = NULL; -+ goto insert; -+ } -+ -+ i_tmp = -+ (struct acl_ip_label **) acl_alloc_num(s_tmp->ip_num, -+ sizeof (struct acl_ip_label *)); -+ -+ if (!i_tmp) -+ return ERR_PTR(-ENOMEM); -+ -+ for (i_num = 0; i_num < s_tmp->ip_num; i_num++) { -+ *(i_tmp + i_num) = -+ (struct acl_ip_label *) -+ acl_alloc(sizeof (struct acl_ip_label)); -+ if (!*(i_tmp + i_num)) -+ return ERR_PTR(-ENOMEM); -+ -+ if (copy_from_user -+ (&i_utmp2, s_tmp->ips + i_num, -+ sizeof (struct acl_ip_label *))) -+ return ERR_PTR(-EFAULT); -+ -+ if (copy_from_user -+ (*(i_tmp + i_num), i_utmp2, -+ sizeof (struct acl_ip_label))) -+ return ERR_PTR(-EFAULT); -+ -+ if ((*(i_tmp + i_num))->iface == NULL) -+ continue; -+ -+ len = strnlen_user((*(i_tmp + i_num))->iface, IFNAMSIZ); -+ if (!len || len >= IFNAMSIZ) -+ return ERR_PTR(-EINVAL); -+ tmp = acl_alloc(len); -+ if (tmp == NULL) -+ return ERR_PTR(-ENOMEM); -+ if (copy_from_user(tmp, (*(i_tmp + i_num))->iface, len)) -+ return ERR_PTR(-EFAULT); -+ (*(i_tmp + i_num))->iface = tmp; -+ } -+ -+ s_tmp->ips = i_tmp; -+ -+insert: -+ if (!insert_name_entry(s_tmp->filename, s_tmp->inode, -+ s_tmp->device, (s_tmp->mode & GR_DELETED) ? 1 : 0)) -+ return ERR_PTR(-ENOMEM); -+ -+ return s_tmp; -+} -+ -+static int -+copy_user_subjs(struct acl_subject_label *userp, struct acl_role_label *role) -+{ -+ struct acl_subject_label s_pre; -+ struct acl_subject_label * ret; -+ int err; -+ -+ while (userp) { -+ if (copy_from_user(&s_pre, userp, -+ sizeof (struct acl_subject_label))) -+ return -EFAULT; -+ -+ /* do not add nested subjects here, add -+ while parsing objects -+ */ -+ -+ if (s_pre.mode & GR_NESTED) { -+ userp = s_pre.prev; -+ continue; -+ } -+ -+ ret = do_copy_user_subj(userp, role); -+ -+ err = PTR_ERR(ret); -+ if (IS_ERR(ret)) -+ return err; -+ -+ insert_acl_subj_label(ret, role); -+ -+ userp = s_pre.prev; -+ } -+ -+ return 0; -+} -+ -+static int -+copy_user_acl(struct gr_arg *arg) -+{ -+ struct acl_role_label *r_tmp = NULL, **r_utmp, *r_utmp2; -+ struct sprole_pw *sptmp; -+ struct gr_hash_struct *ghash; -+ uid_t *domainlist; -+ unsigned int r_num; -+ unsigned int len; -+ char *tmp; -+ int err = 0; -+ __u16 i; -+ __u32 num_subjs; -+ -+ /* we need a default and kernel role */ -+ if (arg->role_db.num_roles < 2) -+ return -EINVAL; -+ -+ /* copy special role authentication info from userspace */ -+ -+ num_sprole_pws = arg->num_sprole_pws; -+ acl_special_roles = (struct sprole_pw **) acl_alloc_num(num_sprole_pws, sizeof(struct sprole_pw *)); -+ -+ if (!acl_special_roles) { -+ err = -ENOMEM; -+ goto cleanup; -+ } -+ -+ for (i = 0; i < num_sprole_pws; i++) { -+ sptmp = (struct sprole_pw *) acl_alloc(sizeof(struct sprole_pw)); -+ if (!sptmp) { -+ err = -ENOMEM; -+ goto cleanup; -+ } -+ if (copy_from_user(sptmp, arg->sprole_pws + i, -+ sizeof (struct sprole_pw))) { -+ err = -EFAULT; -+ goto cleanup; -+ } -+ -+ len = -+ strnlen_user(sptmp->rolename, GR_SPROLE_LEN); -+ -+ if (!len || len >= GR_SPROLE_LEN) { -+ err = -EINVAL; -+ goto cleanup; -+ } -+ -+ if ((tmp = (char *) acl_alloc(len)) == NULL) { -+ err = -ENOMEM; -+ goto cleanup; -+ } -+ -+ if (copy_from_user(tmp, sptmp->rolename, len)) { -+ err = -EFAULT; -+ goto cleanup; -+ } -+ tmp[len-1] = '\0'; -+#ifdef CONFIG_GRKERNSEC_RBAC_DEBUG -+ printk(KERN_ALERT "Copying special role %s\n", tmp); -+#endif -+ sptmp->rolename = tmp; -+ acl_special_roles[i] = sptmp; -+ } -+ -+ r_utmp = (struct acl_role_label **) arg->role_db.r_table; -+ -+ for (r_num = 0; r_num < arg->role_db.num_roles; r_num++) { -+ r_tmp = acl_alloc(sizeof (struct acl_role_label)); -+ -+ if (!r_tmp) { -+ err = -ENOMEM; -+ goto cleanup; -+ } -+ -+ if (copy_from_user(&r_utmp2, r_utmp + r_num, -+ sizeof (struct acl_role_label *))) { -+ err = -EFAULT; -+ goto cleanup; -+ } -+ -+ if (copy_from_user(r_tmp, r_utmp2, -+ sizeof (struct acl_role_label))) { -+ err = -EFAULT; -+ goto cleanup; -+ } -+ -+ len = strnlen_user(r_tmp->rolename, GR_SPROLE_LEN); -+ -+ if (!len || len >= PATH_MAX) { -+ err = -EINVAL; -+ goto cleanup; -+ } -+ -+ if ((tmp = (char *) acl_alloc(len)) == NULL) { -+ err = -ENOMEM; -+ goto cleanup; -+ } -+ if (copy_from_user(tmp, r_tmp->rolename, len)) { -+ err = -EFAULT; -+ goto cleanup; -+ } -+ tmp[len-1] = '\0'; -+ r_tmp->rolename = tmp; -+ -+ if (!strcmp(r_tmp->rolename, "default") -+ && (r_tmp->roletype & GR_ROLE_DEFAULT)) { -+ default_role = r_tmp; -+ } else if (!strcmp(r_tmp->rolename, ":::kernel:::")) { -+ kernel_role = r_tmp; -+ } -+ -+ if ((ghash = (struct gr_hash_struct *) acl_alloc(sizeof(struct gr_hash_struct))) == NULL) { -+ err = -ENOMEM; -+ goto cleanup; -+ } -+ if (copy_from_user(ghash, r_tmp->hash, sizeof(struct gr_hash_struct))) { -+ err = -EFAULT; -+ goto cleanup; -+ } -+ -+ r_tmp->hash = ghash; -+ -+ num_subjs = count_user_subjs(r_tmp->hash->first); -+ -+ r_tmp->subj_hash_size = num_subjs; -+ r_tmp->subj_hash = -+ (struct acl_subject_label **) -+ create_table(&(r_tmp->subj_hash_size), sizeof(void *)); -+ -+ if (!r_tmp->subj_hash) { -+ err = -ENOMEM; -+ goto cleanup; -+ } -+ -+ err = copy_user_allowedips(r_tmp); -+ if (err) -+ goto cleanup; -+ -+ /* copy domain info */ -+ if (r_tmp->domain_children != NULL) { -+ domainlist = acl_alloc_num(r_tmp->domain_child_num, sizeof(uid_t)); -+ if (domainlist == NULL) { -+ err = -ENOMEM; -+ goto cleanup; -+ } -+ if (copy_from_user(domainlist, r_tmp->domain_children, r_tmp->domain_child_num * sizeof(uid_t))) { -+ err = -EFAULT; -+ goto cleanup; -+ } -+ r_tmp->domain_children = domainlist; -+ } -+ -+ err = copy_user_transitions(r_tmp); -+ if (err) -+ goto cleanup; -+ -+ memset(r_tmp->subj_hash, 0, -+ r_tmp->subj_hash_size * -+ sizeof (struct acl_subject_label *)); -+ -+ err = copy_user_subjs(r_tmp->hash->first, r_tmp); -+ -+ if (err) -+ goto cleanup; -+ -+ /* set nested subject list to null */ -+ r_tmp->hash->first = NULL; -+ -+ insert_acl_role_label(r_tmp); -+ } -+ -+ goto return_err; -+ cleanup: -+ free_variables(); -+ return_err: -+ return err; -+ -+} -+ -+static int -+gracl_init(struct gr_arg *args) -+{ -+ int error = 0; -+ -+ memcpy(gr_system_salt, args->salt, GR_SALT_LEN); -+ memcpy(gr_system_sum, args->sum, GR_SHA_LEN); -+ -+ if (init_variables(args)) { -+ gr_log_str(GR_DONT_AUDIT_GOOD, GR_INITF_ACL_MSG, GR_VERSION); -+ error = -ENOMEM; -+ free_variables(); -+ goto out; -+ } -+ -+ error = copy_user_acl(args); -+ free_init_variables(); -+ if (error) { -+ free_variables(); -+ goto out; -+ } -+ -+ if ((error = gr_set_acls(0))) { -+ free_variables(); -+ goto out; -+ } -+ -+ pax_open_kernel(); -+ gr_status |= GR_READY; -+ pax_close_kernel(); -+ -+ out: -+ return error; -+} -+ -+/* derived from glibc fnmatch() 0: match, 1: no match*/ -+ -+static int -+glob_match(const char *p, const char *n) -+{ -+ char c; -+ -+ while ((c = *p++) != '\0') { -+ switch (c) { -+ case '?': -+ if (*n == '\0') -+ return 1; -+ else if (*n == '/') -+ return 1; -+ break; -+ case '\\': -+ if (*n != c) -+ return 1; -+ break; -+ case '*': -+ for (c = *p++; c == '?' || c == '*'; c = *p++) { -+ if (*n == '/') -+ return 1; -+ else if (c == '?') { -+ if (*n == '\0') -+ return 1; -+ else -+ ++n; -+ } -+ } -+ if (c == '\0') { -+ return 0; -+ } else { -+ const char *endp; -+ -+ if ((endp = strchr(n, '/')) == NULL) -+ endp = n + strlen(n); -+ -+ if (c == '[') { -+ for (--p; n < endp; ++n) -+ if (!glob_match(p, n)) -+ return 0; -+ } else if (c == '/') { -+ while (*n != '\0' && *n != '/') -+ ++n; -+ if (*n == '/' && !glob_match(p, n + 1)) -+ return 0; -+ } else { -+ for (--p; n < endp; ++n) -+ if (*n == c && !glob_match(p, n)) -+ return 0; -+ } -+ -+ return 1; -+ } -+ case '[': -+ { -+ int not; -+ char cold; -+ -+ if (*n == '\0' || *n == '/') -+ return 1; -+ -+ not = (*p == '!' || *p == '^'); -+ if (not) -+ ++p; -+ -+ c = *p++; -+ for (;;) { -+ unsigned char fn = (unsigned char)*n; -+ -+ if (c == '\0') -+ return 1; -+ else { -+ if (c == fn) -+ goto matched; -+ cold = c; -+ c = *p++; -+ -+ if (c == '-' && *p != ']') { -+ unsigned char cend = *p++; -+ -+ if (cend == '\0') -+ return 1; -+ -+ if (cold <= fn && fn <= cend) -+ goto matched; -+ -+ c = *p++; -+ } -+ } -+ -+ if (c == ']') -+ break; -+ } -+ if (!not) -+ return 1; -+ break; -+ matched: -+ while (c != ']') { -+ if (c == '\0') -+ return 1; -+ -+ c = *p++; -+ } -+ if (not) -+ return 1; -+ } -+ break; -+ default: -+ if (c != *n) -+ return 1; -+ } -+ -+ ++n; -+ } -+ -+ if (*n == '\0') -+ return 0; -+ -+ if (*n == '/') -+ return 0; -+ -+ return 1; -+} -+ -+static struct acl_object_label * -+chk_glob_label(struct acl_object_label *globbed, -+ struct dentry *dentry, struct vfsmount *mnt, char **path) -+{ -+ struct acl_object_label *tmp; -+ -+ if (*path == NULL) -+ *path = gr_to_filename_nolock(dentry, mnt); -+ -+ tmp = globbed; -+ -+ while (tmp) { -+ if (!glob_match(tmp->filename, *path)) -+ return tmp; -+ tmp = tmp->next; -+ } -+ -+ return NULL; -+} -+ -+static struct acl_object_label * -+__full_lookup(const struct dentry *orig_dentry, const struct vfsmount *orig_mnt, -+ const ino_t curr_ino, const dev_t curr_dev, -+ const struct acl_subject_label *subj, char **path, const int checkglob) -+{ -+ struct acl_subject_label *tmpsubj; -+ struct acl_object_label *retval; -+ struct acl_object_label *retval2; -+ -+ tmpsubj = (struct acl_subject_label *) subj; -+ read_lock(&gr_inode_lock); -+ do { -+ retval = lookup_acl_obj_label(curr_ino, curr_dev, tmpsubj); -+ if (retval) { -+ if (checkglob && retval->globbed) { -+ retval2 = chk_glob_label(retval->globbed, (struct dentry *)orig_dentry, -+ (struct vfsmount *)orig_mnt, path); -+ if (retval2) -+ retval = retval2; -+ } -+ break; -+ } -+ } while ((tmpsubj = tmpsubj->parent_subject)); -+ read_unlock(&gr_inode_lock); -+ -+ return retval; -+} -+ -+static __inline__ struct acl_object_label * -+full_lookup(const struct dentry *orig_dentry, const struct vfsmount *orig_mnt, -+ struct dentry *curr_dentry, -+ const struct acl_subject_label *subj, char **path, const int checkglob) -+{ -+ int newglob = checkglob; -+ ino_t inode; -+ dev_t device; -+ -+ /* if we aren't checking a subdirectory of the original path yet, don't do glob checking -+ as we don't want a / * rule to match instead of the / object -+ don't do this for create lookups that call this function though, since they're looking up -+ on the parent and thus need globbing checks on all paths -+ */ -+ if (orig_dentry == curr_dentry && newglob != GR_CREATE_GLOB) -+ newglob = GR_NO_GLOB; -+ -+ spin_lock(&curr_dentry->d_lock); -+ inode = curr_dentry->d_inode->i_ino; -+ device = __get_dev(curr_dentry); -+ spin_unlock(&curr_dentry->d_lock); -+ -+ return __full_lookup(orig_dentry, orig_mnt, inode, device, subj, path, newglob); -+} -+ -+static struct acl_object_label * -+__chk_obj_label(const struct dentry *l_dentry, const struct vfsmount *l_mnt, -+ const struct acl_subject_label *subj, char *path, const int checkglob) -+{ -+ struct dentry *dentry = (struct dentry *) l_dentry; -+ struct vfsmount *mnt = (struct vfsmount *) l_mnt; -+ struct acl_object_label *retval; -+ struct dentry *parent; -+ -+ write_seqlock(&rename_lock); -+ br_read_lock(vfsmount_lock); -+ -+ if (unlikely((mnt == shm_mnt && dentry->d_inode->i_nlink == 0) || mnt == pipe_mnt || -+#ifdef CONFIG_NET -+ mnt == sock_mnt || -+#endif -+#ifdef CONFIG_HUGETLBFS -+ (mnt == hugetlbfs_vfsmount && dentry->d_inode->i_nlink == 0) || -+#endif -+ /* ignore Eric Biederman */ -+ IS_PRIVATE(l_dentry->d_inode))) { -+ retval = (subj->mode & GR_SHMEXEC) ? fakefs_obj_rwx : fakefs_obj_rw; -+ goto out; -+ } -+ -+ for (;;) { -+ if (dentry == real_root.dentry && mnt == real_root.mnt) -+ break; -+ -+ if (dentry == mnt->mnt_root || IS_ROOT(dentry)) { -+ if (mnt->mnt_parent == mnt) -+ break; -+ -+ retval = full_lookup(l_dentry, l_mnt, dentry, subj, &path, checkglob); -+ if (retval != NULL) -+ goto out; -+ -+ dentry = mnt->mnt_mountpoint; -+ mnt = mnt->mnt_parent; -+ continue; -+ } -+ -+ parent = dentry->d_parent; -+ retval = full_lookup(l_dentry, l_mnt, dentry, subj, &path, checkglob); -+ if (retval != NULL) -+ goto out; -+ -+ dentry = parent; -+ } -+ -+ retval = full_lookup(l_dentry, l_mnt, dentry, subj, &path, checkglob); -+ -+ /* real_root is pinned so we don't have to hold a reference */ -+ if (retval == NULL) -+ retval = full_lookup(l_dentry, l_mnt, real_root.dentry, subj, &path, checkglob); -+out: -+ br_read_unlock(vfsmount_lock); -+ write_sequnlock(&rename_lock); -+ -+ BUG_ON(retval == NULL); -+ -+ return retval; -+} -+ -+static __inline__ struct acl_object_label * -+chk_obj_label(const struct dentry *l_dentry, const struct vfsmount *l_mnt, -+ const struct acl_subject_label *subj) -+{ -+ char *path = NULL; -+ return __chk_obj_label(l_dentry, l_mnt, subj, path, GR_REG_GLOB); -+} -+ -+static __inline__ struct acl_object_label * -+chk_obj_label_noglob(const struct dentry *l_dentry, const struct vfsmount *l_mnt, -+ const struct acl_subject_label *subj) -+{ -+ char *path = NULL; -+ return __chk_obj_label(l_dentry, l_mnt, subj, path, GR_NO_GLOB); -+} -+ -+static __inline__ struct acl_object_label * -+chk_obj_create_label(const struct dentry *l_dentry, const struct vfsmount *l_mnt, -+ const struct acl_subject_label *subj, char *path) -+{ -+ return __chk_obj_label(l_dentry, l_mnt, subj, path, GR_CREATE_GLOB); -+} -+ -+static struct acl_subject_label * -+chk_subj_label(const struct dentry *l_dentry, const struct vfsmount *l_mnt, -+ const struct acl_role_label *role) -+{ -+ struct dentry *dentry = (struct dentry *) l_dentry; -+ struct vfsmount *mnt = (struct vfsmount *) l_mnt; -+ struct acl_subject_label *retval; -+ struct dentry *parent; -+ -+ write_seqlock(&rename_lock); -+ br_read_lock(vfsmount_lock); -+ -+ for (;;) { -+ if (dentry == real_root.dentry && mnt == real_root.mnt) -+ break; -+ if (dentry == mnt->mnt_root || IS_ROOT(dentry)) { -+ if (mnt->mnt_parent == mnt) -+ break; -+ -+ spin_lock(&dentry->d_lock); -+ read_lock(&gr_inode_lock); -+ retval = -+ lookup_acl_subj_label(dentry->d_inode->i_ino, -+ __get_dev(dentry), role); -+ read_unlock(&gr_inode_lock); -+ spin_unlock(&dentry->d_lock); -+ if (retval != NULL) -+ goto out; -+ -+ dentry = mnt->mnt_mountpoint; -+ mnt = mnt->mnt_parent; -+ continue; -+ } -+ -+ spin_lock(&dentry->d_lock); -+ read_lock(&gr_inode_lock); -+ retval = lookup_acl_subj_label(dentry->d_inode->i_ino, -+ __get_dev(dentry), role); -+ read_unlock(&gr_inode_lock); -+ parent = dentry->d_parent; -+ spin_unlock(&dentry->d_lock); -+ -+ if (retval != NULL) -+ goto out; -+ -+ dentry = parent; -+ } -+ -+ spin_lock(&dentry->d_lock); -+ read_lock(&gr_inode_lock); -+ retval = lookup_acl_subj_label(dentry->d_inode->i_ino, -+ __get_dev(dentry), role); -+ read_unlock(&gr_inode_lock); -+ spin_unlock(&dentry->d_lock); -+ -+ if (unlikely(retval == NULL)) { -+ /* real_root is pinned, we don't need to hold a reference */ -+ read_lock(&gr_inode_lock); -+ retval = lookup_acl_subj_label(real_root.dentry->d_inode->i_ino, -+ __get_dev(real_root.dentry), role); -+ read_unlock(&gr_inode_lock); -+ } -+out: -+ br_read_unlock(vfsmount_lock); -+ write_sequnlock(&rename_lock); -+ -+ BUG_ON(retval == NULL); -+ -+ return retval; -+} -+ -+static void -+gr_log_learn(const struct dentry *dentry, const struct vfsmount *mnt, const __u32 mode) -+{ -+ struct task_struct *task = current; -+ const struct cred *cred = current_cred(); -+ -+ security_learn(GR_LEARN_AUDIT_MSG, task->role->rolename, task->role->roletype, -+ cred->uid, cred->gid, task->exec_file ? gr_to_filename1(task->exec_file->f_path.dentry, -+ task->exec_file->f_path.mnt) : task->acl->filename, task->acl->filename, -+ 1UL, 1UL, gr_to_filename(dentry, mnt), (unsigned long) mode, &task->signal->saved_ip); -+ -+ return; -+} -+ -+static void -+gr_log_learn_sysctl(const char *path, const __u32 mode) -+{ -+ struct task_struct *task = current; -+ const struct cred *cred = current_cred(); -+ -+ security_learn(GR_LEARN_AUDIT_MSG, task->role->rolename, task->role->roletype, -+ cred->uid, cred->gid, task->exec_file ? gr_to_filename1(task->exec_file->f_path.dentry, -+ task->exec_file->f_path.mnt) : task->acl->filename, task->acl->filename, -+ 1UL, 1UL, path, (unsigned long) mode, &task->signal->saved_ip); -+ -+ return; -+} -+ -+static void -+gr_log_learn_id_change(const char type, const unsigned int real, -+ const unsigned int effective, const unsigned int fs) -+{ -+ struct task_struct *task = current; -+ const struct cred *cred = current_cred(); -+ -+ security_learn(GR_ID_LEARN_MSG, task->role->rolename, task->role->roletype, -+ cred->uid, cred->gid, task->exec_file ? gr_to_filename1(task->exec_file->f_path.dentry, -+ task->exec_file->f_path.mnt) : task->acl->filename, task->acl->filename, -+ type, real, effective, fs, &task->signal->saved_ip); -+ -+ return; -+} -+ -+__u32 -+gr_check_link(const struct dentry * new_dentry, -+ const struct dentry * parent_dentry, -+ const struct vfsmount * parent_mnt, -+ const struct dentry * old_dentry, const struct vfsmount * old_mnt) -+{ -+ struct acl_object_label *obj; -+ __u32 oldmode, newmode; -+ __u32 needmode; -+ -+ if (unlikely(!(gr_status & GR_READY))) -+ return (GR_CREATE | GR_LINK); -+ -+ obj = chk_obj_label(old_dentry, old_mnt, current->acl); -+ oldmode = obj->mode; -+ -+ if (current->acl->mode & (GR_LEARN | GR_INHERITLEARN)) -+ oldmode |= (GR_CREATE | GR_LINK); -+ -+ needmode = GR_CREATE | GR_AUDIT_CREATE | GR_SUPPRESS; -+ if (old_dentry->d_inode->i_mode & (S_ISUID | S_ISGID)) -+ needmode |= GR_SETID | GR_AUDIT_SETID; -+ -+ newmode = -+ gr_check_create(new_dentry, parent_dentry, parent_mnt, -+ oldmode | needmode); -+ -+ needmode = newmode & (GR_FIND | GR_APPEND | GR_WRITE | GR_EXEC | -+ GR_SETID | GR_READ | GR_FIND | GR_DELETE | -+ GR_INHERIT | GR_AUDIT_INHERIT); -+ -+ if (old_dentry->d_inode->i_mode & (S_ISUID | S_ISGID) && !(newmode & GR_SETID)) -+ goto bad; -+ -+ if ((oldmode & needmode) != needmode) -+ goto bad; -+ -+ needmode = oldmode & (GR_NOPTRACE | GR_PTRACERD | GR_INHERIT | GR_AUDITS); -+ if ((newmode & needmode) != needmode) -+ goto bad; -+ -+ if ((newmode & (GR_CREATE | GR_LINK)) == (GR_CREATE | GR_LINK)) -+ return newmode; -+bad: -+ needmode = oldmode; -+ if (old_dentry->d_inode->i_mode & (S_ISUID | S_ISGID)) -+ needmode |= GR_SETID; -+ -+ if (current->acl->mode & (GR_LEARN | GR_INHERITLEARN)) { -+ gr_log_learn(old_dentry, old_mnt, needmode); -+ return (GR_CREATE | GR_LINK); -+ } else if (newmode & GR_SUPPRESS) -+ return GR_SUPPRESS; -+ else -+ return 0; -+} -+ -+__u32 -+gr_search_file(const struct dentry * dentry, const __u32 mode, -+ const struct vfsmount * mnt) -+{ -+ __u32 retval = mode; -+ struct acl_subject_label *curracl; -+ struct acl_object_label *currobj; -+ -+ if (unlikely(!(gr_status & GR_READY))) -+ return (mode & ~GR_AUDITS); -+ -+ curracl = current->acl; -+ -+ currobj = chk_obj_label(dentry, mnt, curracl); -+ retval = currobj->mode & mode; -+ -+ /* if we're opening a specified transfer file for writing -+ (e.g. /dev/initctl), then transfer our role to init -+ */ -+ if (unlikely(currobj->mode & GR_INIT_TRANSFER && retval & GR_WRITE && -+ current->role->roletype & GR_ROLE_PERSIST)) { -+ struct task_struct *task = init_pid_ns.child_reaper; -+ -+ if (task->role != current->role) { -+ task->acl_sp_role = 0; -+ task->acl_role_id = current->acl_role_id; -+ task->role = current->role; -+ rcu_read_lock(); -+ read_lock(&grsec_exec_file_lock); -+ gr_apply_subject_to_task(task); -+ read_unlock(&grsec_exec_file_lock); -+ rcu_read_unlock(); -+ gr_log_noargs(GR_DONT_AUDIT_GOOD, GR_INIT_TRANSFER_MSG); -+ } -+ } -+ -+ if (unlikely -+ ((curracl->mode & (GR_LEARN | GR_INHERITLEARN)) && !(mode & GR_NOPTRACE) -+ && (retval != (mode & ~(GR_AUDITS | GR_SUPPRESS))))) { -+ __u32 new_mode = mode; -+ -+ new_mode &= ~(GR_AUDITS | GR_SUPPRESS); -+ -+ retval = new_mode; -+ -+ if (new_mode & GR_EXEC && curracl->mode & GR_INHERITLEARN) -+ new_mode |= GR_INHERIT; -+ -+ if (!(mode & GR_NOLEARN)) -+ gr_log_learn(dentry, mnt, new_mode); -+ } -+ -+ return retval; -+} -+ -+__u32 -+gr_check_create(const struct dentry * new_dentry, const struct dentry * parent, -+ const struct vfsmount * mnt, const __u32 mode) -+{ -+ struct name_entry *match; -+ struct acl_object_label *matchpo; -+ struct acl_subject_label *curracl; -+ char *path; -+ __u32 retval; -+ -+ if (unlikely(!(gr_status & GR_READY))) -+ return (mode & ~GR_AUDITS); -+ -+ preempt_disable(); -+ path = gr_to_filename_rbac(new_dentry, mnt); -+ match = lookup_name_entry_create(path); -+ -+ if (!match) -+ goto check_parent; -+ -+ curracl = current->acl; -+ -+ read_lock(&gr_inode_lock); -+ matchpo = lookup_acl_obj_label_create(match->inode, match->device, curracl); -+ read_unlock(&gr_inode_lock); -+ -+ if (matchpo) { -+ if ((matchpo->mode & mode) != -+ (mode & ~(GR_AUDITS | GR_SUPPRESS)) -+ && curracl->mode & (GR_LEARN | GR_INHERITLEARN)) { -+ __u32 new_mode = mode; -+ -+ new_mode &= ~(GR_AUDITS | GR_SUPPRESS); -+ -+ gr_log_learn(new_dentry, mnt, new_mode); -+ -+ preempt_enable(); -+ return new_mode; -+ } -+ preempt_enable(); -+ return (matchpo->mode & mode); -+ } -+ -+ check_parent: -+ curracl = current->acl; -+ -+ matchpo = chk_obj_create_label(parent, mnt, curracl, path); -+ retval = matchpo->mode & mode; -+ -+ if ((retval != (mode & ~(GR_AUDITS | GR_SUPPRESS))) -+ && (curracl->mode & (GR_LEARN | GR_INHERITLEARN))) { -+ __u32 new_mode = mode; -+ -+ new_mode &= ~(GR_AUDITS | GR_SUPPRESS); -+ -+ gr_log_learn(new_dentry, mnt, new_mode); -+ preempt_enable(); -+ return new_mode; -+ } -+ -+ preempt_enable(); -+ return retval; -+} -+ -+int -+gr_check_hidden_task(const struct task_struct *task) -+{ -+ if (unlikely(!(gr_status & GR_READY))) -+ return 0; -+ -+ if (!(task->acl->mode & GR_PROCFIND) && !(current->acl->mode & GR_VIEW)) -+ return 1; -+ -+ return 0; -+} -+ -+int -+gr_check_protected_task(const struct task_struct *task) -+{ -+ if (unlikely(!(gr_status & GR_READY) || !task)) -+ return 0; -+ -+ if ((task->acl->mode & GR_PROTECTED) && !(current->acl->mode & GR_KILL) && -+ task->acl != current->acl) -+ return 1; -+ -+ return 0; -+} -+ -+int -+gr_check_protected_task_fowner(struct pid *pid, enum pid_type type) -+{ -+ struct task_struct *p; -+ int ret = 0; -+ -+ if (unlikely(!(gr_status & GR_READY) || !pid)) -+ return ret; -+ -+ read_lock(&tasklist_lock); -+ do_each_pid_task(pid, type, p) { -+ if ((p->acl->mode & GR_PROTECTED) && !(current->acl->mode & GR_KILL) && -+ p->acl != current->acl) { -+ ret = 1; -+ goto out; -+ } -+ } while_each_pid_task(pid, type, p); -+out: -+ read_unlock(&tasklist_lock); -+ -+ return ret; -+} -+ -+void -+gr_copy_label(struct task_struct *tsk) -+{ -+ tsk->signal->used_accept = 0; -+ tsk->acl_sp_role = 0; -+ tsk->acl_role_id = current->acl_role_id; -+ tsk->acl = current->acl; -+ tsk->role = current->role; -+ tsk->signal->curr_ip = current->signal->curr_ip; -+ tsk->signal->saved_ip = current->signal->saved_ip; -+ if (current->exec_file) -+ get_file(current->exec_file); -+ tsk->exec_file = current->exec_file; -+ tsk->is_writable = current->is_writable; -+ if (unlikely(current->signal->used_accept)) { -+ current->signal->curr_ip = 0; -+ current->signal->saved_ip = 0; -+ } -+ -+ return; -+} -+ -+static void -+gr_set_proc_res(struct task_struct *task) -+{ -+ struct acl_subject_label *proc; -+ unsigned short i; -+ -+ proc = task->acl; -+ -+ if (proc->mode & (GR_LEARN | GR_INHERITLEARN)) -+ return; -+ -+ for (i = 0; i < RLIM_NLIMITS; i++) { -+ if (!(proc->resmask & (1 << i))) -+ continue; -+ -+ task->signal->rlim[i].rlim_cur = proc->res[i].rlim_cur; -+ task->signal->rlim[i].rlim_max = proc->res[i].rlim_max; -+ } -+ -+ return; -+} -+ -+extern int __gr_process_user_ban(struct user_struct *user); -+ -+int -+gr_check_user_change(int real, int effective, int fs) -+{ -+ unsigned int i; -+ __u16 num; -+ uid_t *uidlist; -+ int curuid; -+ int realok = 0; -+ int effectiveok = 0; -+ int fsok = 0; -+ -+#if defined(CONFIG_GRKERNSEC_KERN_LOCKOUT) || defined(CONFIG_GRKERNSEC_BRUTE) -+ struct user_struct *user; -+ -+ if (real == -1) -+ goto skipit; -+ -+ user = find_user(real); -+ if (user == NULL) -+ goto skipit; -+ -+ if (__gr_process_user_ban(user)) { -+ /* for find_user */ -+ free_uid(user); -+ return 1; -+ } -+ -+ /* for find_user */ -+ free_uid(user); -+ -+skipit: -+#endif -+ -+ if (unlikely(!(gr_status & GR_READY))) -+ return 0; -+ -+ if (current->acl->mode & (GR_LEARN | GR_INHERITLEARN)) -+ gr_log_learn_id_change('u', real, effective, fs); -+ -+ num = current->acl->user_trans_num; -+ uidlist = current->acl->user_transitions; -+ -+ if (uidlist == NULL) -+ return 0; -+ -+ if (real == -1) -+ realok = 1; -+ if (effective == -1) -+ effectiveok = 1; -+ if (fs == -1) -+ fsok = 1; -+ -+ if (current->acl->user_trans_type & GR_ID_ALLOW) { -+ for (i = 0; i < num; i++) { -+ curuid = (int)uidlist[i]; -+ if (real == curuid) -+ realok = 1; -+ if (effective == curuid) -+ effectiveok = 1; -+ if (fs == curuid) -+ fsok = 1; -+ } -+ } else if (current->acl->user_trans_type & GR_ID_DENY) { -+ for (i = 0; i < num; i++) { -+ curuid = (int)uidlist[i]; -+ if (real == curuid) -+ break; -+ if (effective == curuid) -+ break; -+ if (fs == curuid) -+ break; -+ } -+ /* not in deny list */ -+ if (i == num) { -+ realok = 1; -+ effectiveok = 1; -+ fsok = 1; -+ } -+ } -+ -+ if (realok && effectiveok && fsok) -+ return 0; -+ else { -+ gr_log_int(GR_DONT_AUDIT, GR_USRCHANGE_ACL_MSG, realok ? (effectiveok ? (fsok ? 0 : fs) : effective) : real); -+ return 1; -+ } -+} -+ -+int -+gr_check_group_change(int real, int effective, int fs) -+{ -+ unsigned int i; -+ __u16 num; -+ gid_t *gidlist; -+ int curgid; -+ int realok = 0; -+ int effectiveok = 0; -+ int fsok = 0; -+ -+ if (unlikely(!(gr_status & GR_READY))) -+ return 0; -+ -+ if (current->acl->mode & (GR_LEARN | GR_INHERITLEARN)) -+ gr_log_learn_id_change('g', real, effective, fs); -+ -+ num = current->acl->group_trans_num; -+ gidlist = current->acl->group_transitions; -+ -+ if (gidlist == NULL) -+ return 0; -+ -+ if (real == -1) -+ realok = 1; -+ if (effective == -1) -+ effectiveok = 1; -+ if (fs == -1) -+ fsok = 1; -+ -+ if (current->acl->group_trans_type & GR_ID_ALLOW) { -+ for (i = 0; i < num; i++) { -+ curgid = (int)gidlist[i]; -+ if (real == curgid) -+ realok = 1; -+ if (effective == curgid) -+ effectiveok = 1; -+ if (fs == curgid) -+ fsok = 1; -+ } -+ } else if (current->acl->group_trans_type & GR_ID_DENY) { -+ for (i = 0; i < num; i++) { -+ curgid = (int)gidlist[i]; -+ if (real == curgid) -+ break; -+ if (effective == curgid) -+ break; -+ if (fs == curgid) -+ break; -+ } -+ /* not in deny list */ -+ if (i == num) { -+ realok = 1; -+ effectiveok = 1; -+ fsok = 1; -+ } -+ } -+ -+ if (realok && effectiveok && fsok) -+ return 0; -+ else { -+ gr_log_int(GR_DONT_AUDIT, GR_GRPCHANGE_ACL_MSG, realok ? (effectiveok ? (fsok ? 0 : fs) : effective) : real); -+ return 1; -+ } -+} -+ -+void -+gr_set_role_label(struct task_struct *task, const uid_t uid, const uid_t gid) -+{ -+ struct acl_role_label *role = task->role; -+ struct acl_subject_label *subj = NULL; -+ struct acl_object_label *obj; -+ struct file *filp; -+ -+ if (unlikely(!(gr_status & GR_READY))) -+ return; -+ -+ filp = task->exec_file; -+ -+ /* kernel process, we'll give them the kernel role */ -+ if (unlikely(!filp)) { -+ task->role = kernel_role; -+ task->acl = kernel_role->root_label; -+ return; -+ } else if (!task->role || !(task->role->roletype & GR_ROLE_SPECIAL)) -+ role = lookup_acl_role_label(task, uid, gid); -+ -+ /* perform subject lookup in possibly new role -+ we can use this result below in the case where role == task->role -+ */ -+ subj = chk_subj_label(filp->f_path.dentry, filp->f_path.mnt, role); -+ -+ /* if we changed uid/gid, but result in the same role -+ and are using inheritance, don't lose the inherited subject -+ if current subject is other than what normal lookup -+ would result in, we arrived via inheritance, don't -+ lose subject -+ */ -+ if (role != task->role || (!(task->acl->mode & GR_INHERITLEARN) && -+ (subj == task->acl))) -+ task->acl = subj; -+ -+ task->role = role; -+ -+ task->is_writable = 0; -+ -+ /* ignore additional mmap checks for processes that are writable -+ by the default ACL */ -+ obj = chk_obj_label(filp->f_path.dentry, filp->f_path.mnt, default_role->root_label); -+ if (unlikely(obj->mode & GR_WRITE)) -+ task->is_writable = 1; -+ obj = chk_obj_label(filp->f_path.dentry, filp->f_path.mnt, task->role->root_label); -+ if (unlikely(obj->mode & GR_WRITE)) -+ task->is_writable = 1; -+ -+#ifdef CONFIG_GRKERNSEC_RBAC_DEBUG -+ printk(KERN_ALERT "Set role label for (%s:%d): role:%s, subject:%s\n", task->comm, task->pid, task->role->rolename, task->acl->filename); -+#endif -+ -+ gr_set_proc_res(task); -+ -+ return; -+} -+ -+int -+gr_set_proc_label(const struct dentry *dentry, const struct vfsmount *mnt, -+ const int unsafe_share) -+{ -+ struct task_struct *task = current; -+ struct acl_subject_label *newacl; -+ struct acl_object_label *obj; -+ __u32 retmode; -+ -+ if (unlikely(!(gr_status & GR_READY))) -+ return 0; -+ -+ newacl = chk_subj_label(dentry, mnt, task->role); -+ -+ task_lock(task); -+ if ((((task->ptrace & PT_PTRACED) || unsafe_share) && -+ !(task->acl->mode & GR_POVERRIDE) && (task->acl != newacl) && -+ !(task->role->roletype & GR_ROLE_GOD) && -+ !gr_search_file(dentry, GR_PTRACERD, mnt) && -+ !(task->acl->mode & (GR_LEARN | GR_INHERITLEARN)))) { -+ task_unlock(task); -+ if (unsafe_share) -+ gr_log_fs_generic(GR_DONT_AUDIT, GR_UNSAFESHARE_EXEC_ACL_MSG, dentry, mnt); -+ else -+ gr_log_fs_generic(GR_DONT_AUDIT, GR_PTRACE_EXEC_ACL_MSG, dentry, mnt); -+ return -EACCES; -+ } -+ task_unlock(task); -+ -+ obj = chk_obj_label(dentry, mnt, task->acl); -+ retmode = obj->mode & (GR_INHERIT | GR_AUDIT_INHERIT); -+ -+ if (!(task->acl->mode & GR_INHERITLEARN) && -+ ((newacl->mode & GR_LEARN) || !(retmode & GR_INHERIT))) { -+ if (obj->nested) -+ task->acl = obj->nested; -+ else -+ task->acl = newacl; -+ } else if (retmode & GR_INHERIT && retmode & GR_AUDIT_INHERIT) -+ gr_log_str_fs(GR_DO_AUDIT, GR_INHERIT_ACL_MSG, task->acl->filename, dentry, mnt); -+ -+ task->is_writable = 0; -+ -+ /* ignore additional mmap checks for processes that are writable -+ by the default ACL */ -+ obj = chk_obj_label(dentry, mnt, default_role->root_label); -+ if (unlikely(obj->mode & GR_WRITE)) -+ task->is_writable = 1; -+ obj = chk_obj_label(dentry, mnt, task->role->root_label); -+ if (unlikely(obj->mode & GR_WRITE)) -+ task->is_writable = 1; -+ -+ gr_set_proc_res(task); -+ -+#ifdef CONFIG_GRKERNSEC_RBAC_DEBUG -+ printk(KERN_ALERT "Set subject label for (%s:%d): role:%s, subject:%s\n", task->comm, task->pid, task->role->rolename, task->acl->filename); -+#endif -+ return 0; -+} -+ -+/* always called with valid inodev ptr */ -+static void -+do_handle_delete(struct inodev_entry *inodev, const ino_t ino, const dev_t dev) -+{ -+ struct acl_object_label *matchpo; -+ struct acl_subject_label *matchps; -+ struct acl_subject_label *subj; -+ struct acl_role_label *role; -+ unsigned int x; -+ -+ FOR_EACH_ROLE_START(role) -+ FOR_EACH_SUBJECT_START(role, subj, x) -+ if ((matchpo = lookup_acl_obj_label(ino, dev, subj)) != NULL) -+ matchpo->mode |= GR_DELETED; -+ FOR_EACH_SUBJECT_END(subj,x) -+ FOR_EACH_NESTED_SUBJECT_START(role, subj) -+ if (subj->inode == ino && subj->device == dev) -+ subj->mode |= GR_DELETED; -+ FOR_EACH_NESTED_SUBJECT_END(subj) -+ if ((matchps = lookup_acl_subj_label(ino, dev, role)) != NULL) -+ matchps->mode |= GR_DELETED; -+ FOR_EACH_ROLE_END(role) -+ -+ inodev->nentry->deleted = 1; -+ -+ return; -+} -+ -+void -+gr_handle_delete(const ino_t ino, const dev_t dev) -+{ -+ struct inodev_entry *inodev; -+ -+ if (unlikely(!(gr_status & GR_READY))) -+ return; -+ -+ write_lock(&gr_inode_lock); -+ inodev = lookup_inodev_entry(ino, dev); -+ if (inodev != NULL) -+ do_handle_delete(inodev, ino, dev); -+ write_unlock(&gr_inode_lock); -+ -+ return; -+} -+ -+static void -+update_acl_obj_label(const ino_t oldinode, const dev_t olddevice, -+ const ino_t newinode, const dev_t newdevice, -+ struct acl_subject_label *subj) -+{ -+ unsigned int index = fhash(oldinode, olddevice, subj->obj_hash_size); -+ struct acl_object_label *match; -+ -+ match = subj->obj_hash[index]; -+ -+ while (match && (match->inode != oldinode || -+ match->device != olddevice || -+ !(match->mode & GR_DELETED))) -+ match = match->next; -+ -+ if (match && (match->inode == oldinode) -+ && (match->device == olddevice) -+ && (match->mode & GR_DELETED)) { -+ if (match->prev == NULL) { -+ subj->obj_hash[index] = match->next; -+ if (match->next != NULL) -+ match->next->prev = NULL; -+ } else { -+ match->prev->next = match->next; -+ if (match->next != NULL) -+ match->next->prev = match->prev; -+ } -+ match->prev = NULL; -+ match->next = NULL; -+ match->inode = newinode; -+ match->device = newdevice; -+ match->mode &= ~GR_DELETED; -+ -+ insert_acl_obj_label(match, subj); -+ } -+ -+ return; -+} -+ -+static void -+update_acl_subj_label(const ino_t oldinode, const dev_t olddevice, -+ const ino_t newinode, const dev_t newdevice, -+ struct acl_role_label *role) -+{ -+ unsigned int index = fhash(oldinode, olddevice, role->subj_hash_size); -+ struct acl_subject_label *match; -+ -+ match = role->subj_hash[index]; -+ -+ while (match && (match->inode != oldinode || -+ match->device != olddevice || -+ !(match->mode & GR_DELETED))) -+ match = match->next; -+ -+ if (match && (match->inode == oldinode) -+ && (match->device == olddevice) -+ && (match->mode & GR_DELETED)) { -+ if (match->prev == NULL) { -+ role->subj_hash[index] = match->next; -+ if (match->next != NULL) -+ match->next->prev = NULL; -+ } else { -+ match->prev->next = match->next; -+ if (match->next != NULL) -+ match->next->prev = match->prev; -+ } -+ match->prev = NULL; -+ match->next = NULL; -+ match->inode = newinode; -+ match->device = newdevice; -+ match->mode &= ~GR_DELETED; -+ -+ insert_acl_subj_label(match, role); -+ } -+ -+ return; -+} -+ -+static void -+update_inodev_entry(const ino_t oldinode, const dev_t olddevice, -+ const ino_t newinode, const dev_t newdevice) -+{ -+ unsigned int index = fhash(oldinode, olddevice, inodev_set.i_size); -+ struct inodev_entry *match; -+ -+ match = inodev_set.i_hash[index]; -+ -+ while (match && (match->nentry->inode != oldinode || -+ match->nentry->device != olddevice || !match->nentry->deleted)) -+ match = match->next; -+ -+ if (match && (match->nentry->inode == oldinode) -+ && (match->nentry->device == olddevice) && -+ match->nentry->deleted) { -+ if (match->prev == NULL) { -+ inodev_set.i_hash[index] = match->next; -+ if (match->next != NULL) -+ match->next->prev = NULL; -+ } else { -+ match->prev->next = match->next; -+ if (match->next != NULL) -+ match->next->prev = match->prev; -+ } -+ match->prev = NULL; -+ match->next = NULL; -+ match->nentry->inode = newinode; -+ match->nentry->device = newdevice; -+ match->nentry->deleted = 0; -+ -+ insert_inodev_entry(match); -+ } -+ -+ return; -+} -+ -+static void -+do_handle_create(const struct name_entry *matchn, const struct dentry *dentry, -+ const struct vfsmount *mnt) -+{ -+ struct acl_subject_label *subj; -+ struct acl_role_label *role; -+ unsigned int x; -+ ino_t ino = dentry->d_inode->i_ino; -+ dev_t dev = __get_dev(dentry); -+ -+ FOR_EACH_ROLE_START(role) -+ update_acl_subj_label(matchn->inode, matchn->device, ino, dev, role); -+ -+ FOR_EACH_NESTED_SUBJECT_START(role, subj) -+ if ((subj->inode == ino) && (subj->device == dev)) { -+ subj->inode = ino; -+ subj->device = dev; -+ } -+ FOR_EACH_NESTED_SUBJECT_END(subj) -+ FOR_EACH_SUBJECT_START(role, subj, x) -+ update_acl_obj_label(matchn->inode, matchn->device, -+ ino, dev, subj); -+ FOR_EACH_SUBJECT_END(subj,x) -+ FOR_EACH_ROLE_END(role) -+ -+ update_inodev_entry(matchn->inode, matchn->device, ino, dev); -+ -+ return; -+} -+ -+void -+gr_handle_create(const struct dentry *dentry, const struct vfsmount *mnt) -+{ -+ struct name_entry *matchn; -+ -+ if (unlikely(!(gr_status & GR_READY))) -+ return; -+ -+ preempt_disable(); -+ matchn = lookup_name_entry(gr_to_filename_rbac(dentry, mnt)); -+ -+ if (unlikely((unsigned long)matchn)) { -+ write_lock(&gr_inode_lock); -+ do_handle_create(matchn, dentry, mnt); -+ write_unlock(&gr_inode_lock); -+ } -+ preempt_enable(); -+ -+ return; -+} -+ -+void -+gr_handle_rename(struct inode *old_dir, struct inode *new_dir, -+ struct dentry *old_dentry, -+ struct dentry *new_dentry, -+ struct vfsmount *mnt, const __u8 replace) -+{ -+ struct name_entry *matchn; -+ struct inodev_entry *inodev; -+ ino_t old_ino = old_dentry->d_inode->i_ino; -+ dev_t old_dev = __get_dev(old_dentry); -+ -+ /* vfs_rename swaps the name and parent link for old_dentry and -+ new_dentry -+ at this point, old_dentry has the new name, parent link, and inode -+ for the renamed file -+ if a file is being replaced by a rename, new_dentry has the inode -+ and name for the replaced file -+ */ -+ -+ if (unlikely(!(gr_status & GR_READY))) -+ return; -+ -+ preempt_disable(); -+ matchn = lookup_name_entry(gr_to_filename_rbac(old_dentry, mnt)); -+ -+ /* we wouldn't have to check d_inode if it weren't for -+ NFS silly-renaming -+ */ -+ -+ write_lock(&gr_inode_lock); -+ if (unlikely(replace && new_dentry->d_inode)) { -+ ino_t new_ino = new_dentry->d_inode->i_ino; -+ dev_t new_dev = __get_dev(new_dentry); -+ -+ inodev = lookup_inodev_entry(new_ino, new_dev); -+ if (inodev != NULL && (new_dentry->d_inode->i_nlink <= 1)) -+ do_handle_delete(inodev, new_ino, new_dev); -+ } -+ -+ inodev = lookup_inodev_entry(old_ino, old_dev); -+ if (inodev != NULL && (old_dentry->d_inode->i_nlink <= 1)) -+ do_handle_delete(inodev, old_ino, old_dev); -+ -+ if (unlikely((unsigned long)matchn)) -+ do_handle_create(matchn, old_dentry, mnt); -+ -+ write_unlock(&gr_inode_lock); -+ preempt_enable(); -+ -+ return; -+} -+ -+static int -+lookup_special_role_auth(__u16 mode, const char *rolename, unsigned char **salt, -+ unsigned char **sum) -+{ -+ struct acl_role_label *r; -+ struct role_allowed_ip *ipp; -+ struct role_transition *trans; -+ unsigned int i; -+ int found = 0; -+ u32 curr_ip = current->signal->curr_ip; -+ -+ current->signal->saved_ip = curr_ip; -+ -+ /* check transition table */ -+ -+ for (trans = current->role->transitions; trans; trans = trans->next) { -+ if (!strcmp(rolename, trans->rolename)) { -+ found = 1; -+ break; -+ } -+ } -+ -+ if (!found) -+ return 0; -+ -+ /* handle special roles that do not require authentication -+ and check ip */ -+ -+ FOR_EACH_ROLE_START(r) -+ if (!strcmp(rolename, r->rolename) && -+ (r->roletype & GR_ROLE_SPECIAL)) { -+ found = 0; -+ if (r->allowed_ips != NULL) { -+ for (ipp = r->allowed_ips; ipp; ipp = ipp->next) { -+ if ((ntohl(curr_ip) & ipp->netmask) == -+ (ntohl(ipp->addr) & ipp->netmask)) -+ found = 1; -+ } -+ } else -+ found = 2; -+ if (!found) -+ return 0; -+ -+ if (((mode == GR_SPROLE) && (r->roletype & GR_ROLE_NOPW)) || -+ ((mode == GR_SPROLEPAM) && (r->roletype & GR_ROLE_PAM))) { -+ *salt = NULL; -+ *sum = NULL; -+ return 1; -+ } -+ } -+ FOR_EACH_ROLE_END(r) -+ -+ for (i = 0; i < num_sprole_pws; i++) { -+ if (!strcmp(rolename, acl_special_roles[i]->rolename)) { -+ *salt = acl_special_roles[i]->salt; -+ *sum = acl_special_roles[i]->sum; -+ return 1; -+ } -+ } -+ -+ return 0; -+} -+ -+static void -+assign_special_role(char *rolename) -+{ -+ struct acl_object_label *obj; -+ struct acl_role_label *r; -+ struct acl_role_label *assigned = NULL; -+ struct task_struct *tsk; -+ struct file *filp; -+ -+ FOR_EACH_ROLE_START(r) -+ if (!strcmp(rolename, r->rolename) && -+ (r->roletype & GR_ROLE_SPECIAL)) { -+ assigned = r; -+ break; -+ } -+ FOR_EACH_ROLE_END(r) -+ -+ if (!assigned) -+ return; -+ -+ read_lock(&tasklist_lock); -+ read_lock(&grsec_exec_file_lock); -+ -+ tsk = current->real_parent; -+ if (tsk == NULL) -+ goto out_unlock; -+ -+ filp = tsk->exec_file; -+ if (filp == NULL) -+ goto out_unlock; -+ -+ tsk->is_writable = 0; -+ -+ tsk->acl_sp_role = 1; -+ tsk->acl_role_id = ++acl_sp_role_value; -+ tsk->role = assigned; -+ tsk->acl = chk_subj_label(filp->f_path.dentry, filp->f_path.mnt, tsk->role); -+ -+ /* ignore additional mmap checks for processes that are writable -+ by the default ACL */ -+ obj = chk_obj_label(filp->f_path.dentry, filp->f_path.mnt, default_role->root_label); -+ if (unlikely(obj->mode & GR_WRITE)) -+ tsk->is_writable = 1; -+ obj = chk_obj_label(filp->f_path.dentry, filp->f_path.mnt, tsk->role->root_label); -+ if (unlikely(obj->mode & GR_WRITE)) -+ tsk->is_writable = 1; -+ -+#ifdef CONFIG_GRKERNSEC_RBAC_DEBUG -+ printk(KERN_ALERT "Assigning special role:%s subject:%s to process (%s:%d)\n", tsk->role->rolename, tsk->acl->filename, tsk->comm, tsk->pid); -+#endif -+ -+out_unlock: -+ read_unlock(&grsec_exec_file_lock); -+ read_unlock(&tasklist_lock); -+ return; -+} -+ -+int gr_check_secure_terminal(struct task_struct *task) -+{ -+ struct task_struct *p, *p2, *p3; -+ struct files_struct *files; -+ struct fdtable *fdt; -+ struct file *our_file = NULL, *file; -+ int i; -+ -+ if (task->signal->tty == NULL) -+ return 1; -+ -+ files = get_files_struct(task); -+ if (files != NULL) { -+ rcu_read_lock(); -+ fdt = files_fdtable(files); -+ for (i=0; i < fdt->max_fds; i++) { -+ file = fcheck_files(files, i); -+ if (file && (our_file == NULL) && (file->private_data == task->signal->tty)) { -+ get_file(file); -+ our_file = file; -+ } -+ } -+ rcu_read_unlock(); -+ put_files_struct(files); -+ } -+ -+ if (our_file == NULL) -+ return 1; -+ -+ read_lock(&tasklist_lock); -+ do_each_thread(p2, p) { -+ files = get_files_struct(p); -+ if (files == NULL || -+ (p->signal && p->signal->tty == task->signal->tty)) { -+ if (files != NULL) -+ put_files_struct(files); -+ continue; -+ } -+ rcu_read_lock(); -+ fdt = files_fdtable(files); -+ for (i=0; i < fdt->max_fds; i++) { -+ file = fcheck_files(files, i); -+ if (file && S_ISCHR(file->f_path.dentry->d_inode->i_mode) && -+ file->f_path.dentry->d_inode->i_rdev == our_file->f_path.dentry->d_inode->i_rdev) { -+ p3 = task; -+ while (p3->pid > 0) { -+ if (p3 == p) -+ break; -+ p3 = p3->real_parent; -+ } -+ if (p3 == p) -+ break; -+ gr_log_ttysniff(GR_DONT_AUDIT_GOOD, GR_TTYSNIFF_ACL_MSG, p); -+ gr_handle_alertkill(p); -+ rcu_read_unlock(); -+ put_files_struct(files); -+ read_unlock(&tasklist_lock); -+ fput(our_file); -+ return 0; -+ } -+ } -+ rcu_read_unlock(); -+ put_files_struct(files); -+ } while_each_thread(p2, p); -+ read_unlock(&tasklist_lock); -+ -+ fput(our_file); -+ return 1; -+} -+ -+ssize_t -+write_grsec_handler(struct file *file, const char * buf, size_t count, loff_t *ppos) -+{ -+ struct gr_arg_wrapper uwrap; -+ unsigned char *sprole_salt = NULL; -+ unsigned char *sprole_sum = NULL; -+ int error = sizeof (struct gr_arg_wrapper); -+ int error2 = 0; -+ -+ mutex_lock(&gr_dev_mutex); -+ -+ if ((gr_status & GR_READY) && !(current->acl->mode & GR_KERNELAUTH)) { -+ error = -EPERM; -+ goto out; -+ } -+ -+ if (count != sizeof (struct gr_arg_wrapper)) { -+ gr_log_int_int(GR_DONT_AUDIT_GOOD, GR_DEV_ACL_MSG, (int)count, (int)sizeof(struct gr_arg_wrapper)); -+ error = -EINVAL; -+ goto out; -+ } -+ -+ -+ if (gr_auth_expires && time_after_eq(get_seconds(), gr_auth_expires)) { -+ gr_auth_expires = 0; -+ gr_auth_attempts = 0; -+ } -+ -+ if (copy_from_user(&uwrap, buf, sizeof (struct gr_arg_wrapper))) { -+ error = -EFAULT; -+ goto out; -+ } -+ -+ if ((uwrap.version != GRSECURITY_VERSION) || (uwrap.size != sizeof(struct gr_arg))) { -+ error = -EINVAL; -+ goto out; -+ } -+ -+ if (copy_from_user(gr_usermode, uwrap.arg, sizeof (struct gr_arg))) { -+ error = -EFAULT; -+ goto out; -+ } -+ -+ if (gr_usermode->mode != GR_SPROLE && gr_usermode->mode != GR_SPROLEPAM && -+ gr_auth_attempts >= CONFIG_GRKERNSEC_ACL_MAXTRIES && -+ time_after(gr_auth_expires, get_seconds())) { -+ error = -EBUSY; -+ goto out; -+ } -+ -+ /* if non-root trying to do anything other than use a special role, -+ do not attempt authentication, do not count towards authentication -+ locking -+ */ -+ -+ if (gr_usermode->mode != GR_SPROLE && gr_usermode->mode != GR_STATUS && -+ gr_usermode->mode != GR_UNSPROLE && gr_usermode->mode != GR_SPROLEPAM && -+ current_uid()) { -+ error = -EPERM; -+ goto out; -+ } -+ -+ /* ensure pw and special role name are null terminated */ -+ -+ gr_usermode->pw[GR_PW_LEN - 1] = '\0'; -+ gr_usermode->sp_role[GR_SPROLE_LEN - 1] = '\0'; -+ -+ /* Okay. -+ * We have our enough of the argument structure..(we have yet -+ * to copy_from_user the tables themselves) . Copy the tables -+ * only if we need them, i.e. for loading operations. */ -+ -+ switch (gr_usermode->mode) { -+ case GR_STATUS: -+ if (gr_status & GR_READY) { -+ error = 1; -+ if (!gr_check_secure_terminal(current)) -+ error = 3; -+ } else -+ error = 2; -+ goto out; -+ case GR_SHUTDOWN: -+ if ((gr_status & GR_READY) -+ && !(chkpw(gr_usermode, gr_system_salt, gr_system_sum))) { -+ pax_open_kernel(); -+ gr_status &= ~GR_READY; -+ pax_close_kernel(); -+ -+ gr_log_noargs(GR_DONT_AUDIT_GOOD, GR_SHUTS_ACL_MSG); -+ free_variables(); -+ memset(gr_usermode, 0, sizeof (struct gr_arg)); -+ memset(gr_system_salt, 0, GR_SALT_LEN); -+ memset(gr_system_sum, 0, GR_SHA_LEN); -+ } else if (gr_status & GR_READY) { -+ gr_log_noargs(GR_DONT_AUDIT, GR_SHUTF_ACL_MSG); -+ error = -EPERM; -+ } else { -+ gr_log_noargs(GR_DONT_AUDIT_GOOD, GR_SHUTI_ACL_MSG); -+ error = -EAGAIN; -+ } -+ break; -+ case GR_ENABLE: -+ if (!(gr_status & GR_READY) && !(error2 = gracl_init(gr_usermode))) -+ gr_log_str(GR_DONT_AUDIT_GOOD, GR_ENABLE_ACL_MSG, GR_VERSION); -+ else { -+ if (gr_status & GR_READY) -+ error = -EAGAIN; -+ else -+ error = error2; -+ gr_log_str(GR_DONT_AUDIT, GR_ENABLEF_ACL_MSG, GR_VERSION); -+ } -+ break; -+ case GR_RELOAD: -+ if (!(gr_status & GR_READY)) { -+ gr_log_str(GR_DONT_AUDIT_GOOD, GR_RELOADI_ACL_MSG, GR_VERSION); -+ error = -EAGAIN; -+ } else if (!(chkpw(gr_usermode, gr_system_salt, gr_system_sum))) { -+ preempt_disable(); -+ -+ pax_open_kernel(); -+ gr_status &= ~GR_READY; -+ pax_close_kernel(); -+ -+ free_variables(); -+ if (!(error2 = gracl_init(gr_usermode))) { -+ preempt_enable(); -+ gr_log_str(GR_DONT_AUDIT_GOOD, GR_RELOAD_ACL_MSG, GR_VERSION); -+ } else { -+ preempt_enable(); -+ error = error2; -+ gr_log_str(GR_DONT_AUDIT, GR_RELOADF_ACL_MSG, GR_VERSION); -+ } -+ } else { -+ gr_log_str(GR_DONT_AUDIT, GR_RELOADF_ACL_MSG, GR_VERSION); -+ error = -EPERM; -+ } -+ break; -+ case GR_SEGVMOD: -+ if (unlikely(!(gr_status & GR_READY))) { -+ gr_log_noargs(GR_DONT_AUDIT_GOOD, GR_SEGVMODI_ACL_MSG); -+ error = -EAGAIN; -+ break; -+ } -+ -+ if (!(chkpw(gr_usermode, gr_system_salt, gr_system_sum))) { -+ gr_log_noargs(GR_DONT_AUDIT_GOOD, GR_SEGVMODS_ACL_MSG); -+ if (gr_usermode->segv_device && gr_usermode->segv_inode) { -+ struct acl_subject_label *segvacl; -+ segvacl = -+ lookup_acl_subj_label(gr_usermode->segv_inode, -+ gr_usermode->segv_device, -+ current->role); -+ if (segvacl) { -+ segvacl->crashes = 0; -+ segvacl->expires = 0; -+ } -+ } else if (gr_find_uid(gr_usermode->segv_uid) >= 0) { -+ gr_remove_uid(gr_usermode->segv_uid); -+ } -+ } else { -+ gr_log_noargs(GR_DONT_AUDIT, GR_SEGVMODF_ACL_MSG); -+ error = -EPERM; -+ } -+ break; -+ case GR_SPROLE: -+ case GR_SPROLEPAM: -+ if (unlikely(!(gr_status & GR_READY))) { -+ gr_log_noargs(GR_DONT_AUDIT_GOOD, GR_SPROLEI_ACL_MSG); -+ error = -EAGAIN; -+ break; -+ } -+ -+ if (current->role->expires && time_after_eq(get_seconds(), current->role->expires)) { -+ current->role->expires = 0; -+ current->role->auth_attempts = 0; -+ } -+ -+ if (current->role->auth_attempts >= CONFIG_GRKERNSEC_ACL_MAXTRIES && -+ time_after(current->role->expires, get_seconds())) { -+ error = -EBUSY; -+ goto out; -+ } -+ -+ if (lookup_special_role_auth -+ (gr_usermode->mode, gr_usermode->sp_role, &sprole_salt, &sprole_sum) -+ && ((!sprole_salt && !sprole_sum) -+ || !(chkpw(gr_usermode, sprole_salt, sprole_sum)))) { -+ char *p = ""; -+ assign_special_role(gr_usermode->sp_role); -+ read_lock(&tasklist_lock); -+ if (current->real_parent) -+ p = current->real_parent->role->rolename; -+ read_unlock(&tasklist_lock); -+ gr_log_str_int(GR_DONT_AUDIT_GOOD, GR_SPROLES_ACL_MSG, -+ p, acl_sp_role_value); -+ } else { -+ gr_log_str(GR_DONT_AUDIT, GR_SPROLEF_ACL_MSG, gr_usermode->sp_role); -+ error = -EPERM; -+ if(!(current->role->auth_attempts++)) -+ current->role->expires = get_seconds() + CONFIG_GRKERNSEC_ACL_TIMEOUT; -+ -+ goto out; -+ } -+ break; -+ case GR_UNSPROLE: -+ if (unlikely(!(gr_status & GR_READY))) { -+ gr_log_noargs(GR_DONT_AUDIT_GOOD, GR_UNSPROLEI_ACL_MSG); -+ error = -EAGAIN; -+ break; -+ } -+ -+ if (current->role->roletype & GR_ROLE_SPECIAL) { -+ char *p = ""; -+ int i = 0; -+ -+ read_lock(&tasklist_lock); -+ if (current->real_parent) { -+ p = current->real_parent->role->rolename; -+ i = current->real_parent->acl_role_id; -+ } -+ read_unlock(&tasklist_lock); -+ -+ gr_log_str_int(GR_DONT_AUDIT_GOOD, GR_UNSPROLES_ACL_MSG, p, i); -+ gr_set_acls(1); -+ } else { -+ error = -EPERM; -+ goto out; -+ } -+ break; -+ default: -+ gr_log_int(GR_DONT_AUDIT, GR_INVMODE_ACL_MSG, gr_usermode->mode); -+ error = -EINVAL; -+ break; -+ } -+ -+ if (error != -EPERM) -+ goto out; -+ -+ if(!(gr_auth_attempts++)) -+ gr_auth_expires = get_seconds() + CONFIG_GRKERNSEC_ACL_TIMEOUT; -+ -+ out: -+ mutex_unlock(&gr_dev_mutex); -+ return error; -+} -+ -+/* must be called with -+ rcu_read_lock(); -+ read_lock(&tasklist_lock); -+ read_lock(&grsec_exec_file_lock); -+*/ -+int gr_apply_subject_to_task(struct task_struct *task) -+{ -+ struct acl_object_label *obj; -+ char *tmpname; -+ struct acl_subject_label *tmpsubj; -+ struct file *filp; -+ struct name_entry *nmatch; -+ -+ filp = task->exec_file; -+ if (filp == NULL) -+ return 0; -+ -+ /* the following is to apply the correct subject -+ on binaries running when the RBAC system -+ is enabled, when the binaries have been -+ replaced or deleted since their execution -+ ----- -+ when the RBAC system starts, the inode/dev -+ from exec_file will be one the RBAC system -+ is unaware of. It only knows the inode/dev -+ of the present file on disk, or the absence -+ of it. -+ */ -+ preempt_disable(); -+ tmpname = gr_to_filename_rbac(filp->f_path.dentry, filp->f_path.mnt); -+ -+ nmatch = lookup_name_entry(tmpname); -+ preempt_enable(); -+ tmpsubj = NULL; -+ if (nmatch) { -+ if (nmatch->deleted) -+ tmpsubj = lookup_acl_subj_label_deleted(nmatch->inode, nmatch->device, task->role); -+ else -+ tmpsubj = lookup_acl_subj_label(nmatch->inode, nmatch->device, task->role); -+ if (tmpsubj != NULL) -+ task->acl = tmpsubj; -+ } -+ if (tmpsubj == NULL) -+ task->acl = chk_subj_label(filp->f_path.dentry, filp->f_path.mnt, -+ task->role); -+ if (task->acl) { -+ task->is_writable = 0; -+ /* ignore additional mmap checks for processes that are writable -+ by the default ACL */ -+ obj = chk_obj_label(filp->f_path.dentry, filp->f_path.mnt, default_role->root_label); -+ if (unlikely(obj->mode & GR_WRITE)) -+ task->is_writable = 1; -+ obj = chk_obj_label(filp->f_path.dentry, filp->f_path.mnt, task->role->root_label); -+ if (unlikely(obj->mode & GR_WRITE)) -+ task->is_writable = 1; -+ -+ gr_set_proc_res(task); -+ -+#ifdef CONFIG_GRKERNSEC_RBAC_DEBUG -+ printk(KERN_ALERT "gr_set_acls for (%s:%d): role:%s, subject:%s\n", task->comm, task->pid, task->role->rolename, task->acl->filename); -+#endif -+ } else { -+ return 1; -+ } -+ -+ return 0; -+} -+ -+int -+gr_set_acls(const int type) -+{ -+ struct task_struct *task, *task2; -+ struct acl_role_label *role = current->role; -+ __u16 acl_role_id = current->acl_role_id; -+ const struct cred *cred; -+ int ret; -+ -+ rcu_read_lock(); -+ read_lock(&tasklist_lock); -+ read_lock(&grsec_exec_file_lock); -+ do_each_thread(task2, task) { -+ /* check to see if we're called from the exit handler, -+ if so, only replace ACLs that have inherited the admin -+ ACL */ -+ -+ if (type && (task->role != role || -+ task->acl_role_id != acl_role_id)) -+ continue; -+ -+ task->acl_role_id = 0; -+ task->acl_sp_role = 0; -+ -+ if (task->exec_file) { -+ cred = __task_cred(task); -+ task->role = lookup_acl_role_label(task, cred->uid, cred->gid); -+ ret = gr_apply_subject_to_task(task); -+ if (ret) { -+ read_unlock(&grsec_exec_file_lock); -+ read_unlock(&tasklist_lock); -+ rcu_read_unlock(); -+ gr_log_str_int(GR_DONT_AUDIT_GOOD, GR_DEFACL_MSG, task->comm, task->pid); -+ return ret; -+ } -+ } else { -+ // it's a kernel process -+ task->role = kernel_role; -+ task->acl = kernel_role->root_label; -+#ifdef CONFIG_GRKERNSEC_ACL_HIDEKERN -+ task->acl->mode &= ~GR_PROCFIND; -+#endif -+ } -+ } while_each_thread(task2, task); -+ read_unlock(&grsec_exec_file_lock); -+ read_unlock(&tasklist_lock); -+ rcu_read_unlock(); -+ -+ return 0; -+} -+ -+void -+gr_learn_resource(const struct task_struct *task, -+ const int res, const unsigned long wanted, const int gt) -+{ -+ struct acl_subject_label *acl; -+ const struct cred *cred; -+ -+ if (unlikely((gr_status & GR_READY) && -+ task->acl && (task->acl->mode & (GR_LEARN | GR_INHERITLEARN)))) -+ goto skip_reslog; -+ -+#ifdef CONFIG_GRKERNSEC_RESLOG -+ gr_log_resource(task, res, wanted, gt); -+#endif -+ skip_reslog: -+ -+ if (unlikely(!(gr_status & GR_READY) || !wanted || res >= GR_NLIMITS)) -+ return; -+ -+ acl = task->acl; -+ -+ if (likely(!acl || !(acl->mode & (GR_LEARN | GR_INHERITLEARN)) || -+ !(acl->resmask & (1 << (unsigned short) res)))) -+ return; -+ -+ if (wanted >= acl->res[res].rlim_cur) { -+ unsigned long res_add; -+ -+ res_add = wanted; -+ switch (res) { -+ case RLIMIT_CPU: -+ res_add += GR_RLIM_CPU_BUMP; -+ break; -+ case RLIMIT_FSIZE: -+ res_add += GR_RLIM_FSIZE_BUMP; -+ break; -+ case RLIMIT_DATA: -+ res_add += GR_RLIM_DATA_BUMP; -+ break; -+ case RLIMIT_STACK: -+ res_add += GR_RLIM_STACK_BUMP; -+ break; -+ case RLIMIT_CORE: -+ res_add += GR_RLIM_CORE_BUMP; -+ break; -+ case RLIMIT_RSS: -+ res_add += GR_RLIM_RSS_BUMP; -+ break; -+ case RLIMIT_NPROC: -+ res_add += GR_RLIM_NPROC_BUMP; -+ break; -+ case RLIMIT_NOFILE: -+ res_add += GR_RLIM_NOFILE_BUMP; -+ break; -+ case RLIMIT_MEMLOCK: -+ res_add += GR_RLIM_MEMLOCK_BUMP; -+ break; -+ case RLIMIT_AS: -+ res_add += GR_RLIM_AS_BUMP; -+ break; -+ case RLIMIT_LOCKS: -+ res_add += GR_RLIM_LOCKS_BUMP; -+ break; -+ case RLIMIT_SIGPENDING: -+ res_add += GR_RLIM_SIGPENDING_BUMP; -+ break; -+ case RLIMIT_MSGQUEUE: -+ res_add += GR_RLIM_MSGQUEUE_BUMP; -+ break; -+ case RLIMIT_NICE: -+ res_add += GR_RLIM_NICE_BUMP; -+ break; -+ case RLIMIT_RTPRIO: -+ res_add += GR_RLIM_RTPRIO_BUMP; -+ break; -+ case RLIMIT_RTTIME: -+ res_add += GR_RLIM_RTTIME_BUMP; -+ break; -+ } -+ -+ acl->res[res].rlim_cur = res_add; -+ -+ if (wanted > acl->res[res].rlim_max) -+ acl->res[res].rlim_max = res_add; -+ -+ /* only log the subject filename, since resource logging is supported for -+ single-subject learning only */ -+ rcu_read_lock(); -+ cred = __task_cred(task); -+ security_learn(GR_LEARN_AUDIT_MSG, task->role->rolename, -+ task->role->roletype, cred->uid, cred->gid, acl->filename, -+ acl->filename, acl->res[res].rlim_cur, acl->res[res].rlim_max, -+ "", (unsigned long) res, &task->signal->saved_ip); -+ rcu_read_unlock(); -+ } -+ -+ return; -+} -+ -+#if defined(CONFIG_PAX_HAVE_ACL_FLAGS) && (defined(CONFIG_PAX_NOEXEC) || defined(CONFIG_PAX_ASLR)) -+void -+pax_set_initial_flags(struct linux_binprm *bprm) -+{ -+ struct task_struct *task = current; -+ struct acl_subject_label *proc; -+ unsigned long flags; -+ -+ if (unlikely(!(gr_status & GR_READY))) -+ return; -+ -+ flags = pax_get_flags(task); -+ -+ proc = task->acl; -+ -+ if (proc->pax_flags & GR_PAX_DISABLE_PAGEEXEC) -+ flags &= ~MF_PAX_PAGEEXEC; -+ if (proc->pax_flags & GR_PAX_DISABLE_SEGMEXEC) -+ flags &= ~MF_PAX_SEGMEXEC; -+ if (proc->pax_flags & GR_PAX_DISABLE_RANDMMAP) -+ flags &= ~MF_PAX_RANDMMAP; -+ if (proc->pax_flags & GR_PAX_DISABLE_EMUTRAMP) -+ flags &= ~MF_PAX_EMUTRAMP; -+ if (proc->pax_flags & GR_PAX_DISABLE_MPROTECT) -+ flags &= ~MF_PAX_MPROTECT; -+ -+ if (proc->pax_flags & GR_PAX_ENABLE_PAGEEXEC) -+ flags |= MF_PAX_PAGEEXEC; -+ if (proc->pax_flags & GR_PAX_ENABLE_SEGMEXEC) -+ flags |= MF_PAX_SEGMEXEC; -+ if (proc->pax_flags & GR_PAX_ENABLE_RANDMMAP) -+ flags |= MF_PAX_RANDMMAP; -+ if (proc->pax_flags & GR_PAX_ENABLE_EMUTRAMP) -+ flags |= MF_PAX_EMUTRAMP; -+ if (proc->pax_flags & GR_PAX_ENABLE_MPROTECT) -+ flags |= MF_PAX_MPROTECT; -+ -+ pax_set_flags(task, flags); -+ -+ return; -+} -+#endif -+ -+#ifdef CONFIG_SYSCTL -+/* Eric Biederman likes breaking userland ABI and every inode-based security -+ system to save 35kb of memory */ -+ -+/* we modify the passed in filename, but adjust it back before returning */ -+static struct acl_object_label *gr_lookup_by_name(char *name, unsigned int len) -+{ -+ struct name_entry *nmatch; -+ char *p, *lastp = NULL; -+ struct acl_object_label *obj = NULL, *tmp; -+ struct acl_subject_label *tmpsubj; -+ char c = '\0'; -+ -+ read_lock(&gr_inode_lock); -+ -+ p = name + len - 1; -+ do { -+ nmatch = lookup_name_entry(name); -+ if (lastp != NULL) -+ *lastp = c; -+ -+ if (nmatch == NULL) -+ goto next_component; -+ tmpsubj = current->acl; -+ do { -+ obj = lookup_acl_obj_label(nmatch->inode, nmatch->device, tmpsubj); -+ if (obj != NULL) { -+ tmp = obj->globbed; -+ while (tmp) { -+ if (!glob_match(tmp->filename, name)) { -+ obj = tmp; -+ goto found_obj; -+ } -+ tmp = tmp->next; -+ } -+ goto found_obj; -+ } -+ } while ((tmpsubj = tmpsubj->parent_subject)); -+next_component: -+ /* end case */ -+ if (p == name) -+ break; -+ -+ while (*p != '/') -+ p--; -+ if (p == name) -+ lastp = p + 1; -+ else { -+ lastp = p; -+ p--; -+ } -+ c = *lastp; -+ *lastp = '\0'; -+ } while (1); -+found_obj: -+ read_unlock(&gr_inode_lock); -+ /* obj returned will always be non-null */ -+ return obj; -+} -+ -+/* returns 0 when allowing, non-zero on error -+ op of 0 is used for readdir, so we don't log the names of hidden files -+*/ -+__u32 -+gr_handle_sysctl(const struct ctl_table *table, const int op) -+{ -+ struct ctl_table *tmp; -+ const char *proc_sys = "/proc/sys"; -+ char *path; -+ struct acl_object_label *obj; -+ unsigned short len = 0, pos = 0, depth = 0, i; -+ __u32 err = 0; -+ __u32 mode = 0; -+ -+ if (unlikely(!(gr_status & GR_READY))) -+ return 0; -+ -+ /* for now, ignore operations on non-sysctl entries if it's not a -+ readdir*/ -+ if (table->child != NULL && op != 0) -+ return 0; -+ -+ mode |= GR_FIND; -+ /* it's only a read if it's an entry, read on dirs is for readdir */ -+ if (op & MAY_READ) -+ mode |= GR_READ; -+ if (op & MAY_WRITE) -+ mode |= GR_WRITE; -+ -+ preempt_disable(); -+ -+ path = per_cpu_ptr(gr_shared_page[0], smp_processor_id()); -+ -+ /* it's only a read/write if it's an actual entry, not a dir -+ (which are opened for readdir) -+ */ -+ -+ /* convert the requested sysctl entry into a pathname */ -+ -+ for (tmp = (struct ctl_table *)table; tmp != NULL; tmp = tmp->parent) { -+ len += strlen(tmp->procname); -+ len++; -+ depth++; -+ } -+ -+ if ((len + depth + strlen(proc_sys) + 1) > PAGE_SIZE) { -+ /* deny */ -+ goto out; -+ } -+ -+ memset(path, 0, PAGE_SIZE); -+ -+ memcpy(path, proc_sys, strlen(proc_sys)); -+ -+ pos += strlen(proc_sys); -+ -+ for (; depth > 0; depth--) { -+ path[pos] = '/'; -+ pos++; -+ for (i = 1, tmp = (struct ctl_table *)table; tmp != NULL; tmp = tmp->parent) { -+ if (depth == i) { -+ memcpy(path + pos, tmp->procname, -+ strlen(tmp->procname)); -+ pos += strlen(tmp->procname); -+ } -+ i++; -+ } -+ } -+ -+ obj = gr_lookup_by_name(path, pos); -+ err = obj->mode & (mode | to_gr_audit(mode) | GR_SUPPRESS); -+ -+ if (unlikely((current->acl->mode & (GR_LEARN | GR_INHERITLEARN)) && -+ ((err & mode) != mode))) { -+ __u32 new_mode = mode; -+ -+ new_mode &= ~(GR_AUDITS | GR_SUPPRESS); -+ -+ err = 0; -+ gr_log_learn_sysctl(path, new_mode); -+ } else if (!(err & GR_FIND) && !(err & GR_SUPPRESS) && op != 0) { -+ gr_log_hidden_sysctl(GR_DONT_AUDIT, GR_HIDDEN_ACL_MSG, path); -+ err = -ENOENT; -+ } else if (!(err & GR_FIND)) { -+ err = -ENOENT; -+ } else if (((err & mode) & ~GR_FIND) != (mode & ~GR_FIND) && !(err & GR_SUPPRESS)) { -+ gr_log_str4(GR_DONT_AUDIT, GR_SYSCTL_ACL_MSG, "denied", -+ path, (mode & GR_READ) ? " reading" : "", -+ (mode & GR_WRITE) ? " writing" : ""); -+ err = -EACCES; -+ } else if ((err & mode) != mode) { -+ err = -EACCES; -+ } else if ((((err & mode) & ~GR_FIND) == (mode & ~GR_FIND)) && (err & GR_AUDITS)) { -+ gr_log_str4(GR_DO_AUDIT, GR_SYSCTL_ACL_MSG, "successful", -+ path, (mode & GR_READ) ? " reading" : "", -+ (mode & GR_WRITE) ? " writing" : ""); -+ err = 0; -+ } else -+ err = 0; -+ -+ out: -+ preempt_enable(); -+ -+ return err; -+} -+#endif -+ -+int -+gr_handle_proc_ptrace(struct task_struct *task) -+{ -+ struct file *filp; -+ struct task_struct *tmp = task; -+ struct task_struct *curtemp = current; -+ __u32 retmode; -+ -+#ifndef CONFIG_GRKERNSEC_HARDEN_PTRACE -+ if (unlikely(!(gr_status & GR_READY))) -+ return 0; -+#endif -+ -+ read_lock(&tasklist_lock); -+ read_lock(&grsec_exec_file_lock); -+ filp = task->exec_file; -+ -+ while (tmp->pid > 0) { -+ if (tmp == curtemp) -+ break; -+ tmp = tmp->real_parent; -+ } -+ -+ if (!filp || (tmp->pid == 0 && ((grsec_enable_harden_ptrace && current_uid() && !(gr_status & GR_READY)) || -+ ((gr_status & GR_READY) && !(current->acl->mode & GR_RELAXPTRACE))))) { -+ read_unlock(&grsec_exec_file_lock); -+ read_unlock(&tasklist_lock); -+ return 1; -+ } -+ -+#ifdef CONFIG_GRKERNSEC_HARDEN_PTRACE -+ if (!(gr_status & GR_READY)) { -+ read_unlock(&grsec_exec_file_lock); -+ read_unlock(&tasklist_lock); -+ return 0; -+ } -+#endif -+ -+ retmode = gr_search_file(filp->f_path.dentry, GR_NOPTRACE, filp->f_path.mnt); -+ read_unlock(&grsec_exec_file_lock); -+ read_unlock(&tasklist_lock); -+ -+ if (retmode & GR_NOPTRACE) -+ return 1; -+ -+ if (!(current->acl->mode & GR_POVERRIDE) && !(current->role->roletype & GR_ROLE_GOD) -+ && (current->acl != task->acl || (current->acl != current->role->root_label -+ && current->pid != task->pid))) -+ return 1; -+ -+ return 0; -+} -+ -+void task_grsec_rbac(struct seq_file *m, struct task_struct *p) -+{ -+ if (unlikely(!(gr_status & GR_READY))) -+ return; -+ -+ if (!(current->role->roletype & GR_ROLE_GOD)) -+ return; -+ -+ seq_printf(m, "RBAC:\t%.64s:%c:%.950s\n", -+ p->role->rolename, gr_task_roletype_to_char(p), -+ p->acl->filename); -+} -+ -+int -+gr_handle_ptrace(struct task_struct *task, const long request) -+{ -+ struct task_struct *tmp = task; -+ struct task_struct *curtemp = current; -+ __u32 retmode; -+ -+#ifndef CONFIG_GRKERNSEC_HARDEN_PTRACE -+ if (unlikely(!(gr_status & GR_READY))) -+ return 0; -+#endif -+ -+ read_lock(&tasklist_lock); -+ while (tmp->pid > 0) { -+ if (tmp == curtemp) -+ break; -+ tmp = tmp->real_parent; -+ } -+ -+ if (tmp->pid == 0 && ((grsec_enable_harden_ptrace && current_uid() && !(gr_status & GR_READY)) || -+ ((gr_status & GR_READY) && !(current->acl->mode & GR_RELAXPTRACE)))) { -+ read_unlock(&tasklist_lock); -+ gr_log_ptrace(GR_DONT_AUDIT, GR_PTRACE_ACL_MSG, task); -+ return 1; -+ } -+ read_unlock(&tasklist_lock); -+ -+#ifdef CONFIG_GRKERNSEC_HARDEN_PTRACE -+ if (!(gr_status & GR_READY)) -+ return 0; -+#endif -+ -+ read_lock(&grsec_exec_file_lock); -+ if (unlikely(!task->exec_file)) { -+ read_unlock(&grsec_exec_file_lock); -+ return 0; -+ } -+ -+ retmode = gr_search_file(task->exec_file->f_path.dentry, GR_PTRACERD | GR_NOPTRACE, task->exec_file->f_path.mnt); -+ read_unlock(&grsec_exec_file_lock); -+ -+ if (retmode & GR_NOPTRACE) { -+ gr_log_ptrace(GR_DONT_AUDIT, GR_PTRACE_ACL_MSG, task); -+ return 1; -+ } -+ -+ if (retmode & GR_PTRACERD) { -+ switch (request) { -+ case PTRACE_POKETEXT: -+ case PTRACE_POKEDATA: -+ case PTRACE_POKEUSR: -+#if !defined(CONFIG_PPC32) && !defined(CONFIG_PPC64) && !defined(CONFIG_PARISC) && !defined(CONFIG_ALPHA) && !defined(CONFIG_IA64) -+ case PTRACE_SETREGS: -+ case PTRACE_SETFPREGS: -+#endif -+#ifdef CONFIG_X86 -+ case PTRACE_SETFPXREGS: -+#endif -+#ifdef CONFIG_ALTIVEC -+ case PTRACE_SETVRREGS: -+#endif -+ return 1; -+ default: -+ return 0; -+ } -+ } else if (!(current->acl->mode & GR_POVERRIDE) && -+ !(current->role->roletype & GR_ROLE_GOD) && -+ (current->acl != task->acl)) { -+ gr_log_ptrace(GR_DONT_AUDIT, GR_PTRACE_ACL_MSG, task); -+ return 1; -+ } -+ -+ return 0; -+} -+ -+static int is_writable_mmap(const struct file *filp) -+{ -+ struct task_struct *task = current; -+ struct acl_object_label *obj, *obj2; -+ -+ if (gr_status & GR_READY && !(task->acl->mode & GR_OVERRIDE) && -+ !task->is_writable && S_ISREG(filp->f_path.dentry->d_inode->i_mode) && (filp->f_path.mnt != shm_mnt || (filp->f_path.dentry->d_inode->i_nlink > 0))) { -+ obj = chk_obj_label(filp->f_path.dentry, filp->f_path.mnt, default_role->root_label); -+ obj2 = chk_obj_label(filp->f_path.dentry, filp->f_path.mnt, -+ task->role->root_label); -+ if (unlikely((obj->mode & GR_WRITE) || (obj2->mode & GR_WRITE))) { -+ gr_log_fs_generic(GR_DONT_AUDIT, GR_WRITLIB_ACL_MSG, filp->f_path.dentry, filp->f_path.mnt); -+ return 1; -+ } -+ } -+ return 0; -+} -+ -+int -+gr_acl_handle_mmap(const struct file *file, const unsigned long prot) -+{ -+ __u32 mode; -+ -+ if (unlikely(!file || !(prot & PROT_EXEC))) -+ return 1; -+ -+ if (is_writable_mmap(file)) -+ return 0; -+ -+ mode = -+ gr_search_file(file->f_path.dentry, -+ GR_EXEC | GR_AUDIT_EXEC | GR_SUPPRESS, -+ file->f_path.mnt); -+ -+ if (!gr_tpe_allow(file)) -+ return 0; -+ -+ if (unlikely(!(mode & GR_EXEC) && !(mode & GR_SUPPRESS))) { -+ gr_log_fs_rbac_generic(GR_DONT_AUDIT, GR_MMAP_ACL_MSG, file->f_path.dentry, file->f_path.mnt); -+ return 0; -+ } else if (unlikely(!(mode & GR_EXEC))) { -+ return 0; -+ } else if (unlikely(mode & GR_EXEC && mode & GR_AUDIT_EXEC)) { -+ gr_log_fs_rbac_generic(GR_DO_AUDIT, GR_MMAP_ACL_MSG, file->f_path.dentry, file->f_path.mnt); -+ return 1; -+ } -+ -+ return 1; -+} -+ -+int -+gr_acl_handle_mprotect(const struct file *file, const unsigned long prot) -+{ -+ __u32 mode; -+ -+ if (unlikely(!file || !(prot & PROT_EXEC))) -+ return 1; -+ -+ if (is_writable_mmap(file)) -+ return 0; -+ -+ mode = -+ gr_search_file(file->f_path.dentry, -+ GR_EXEC | GR_AUDIT_EXEC | GR_SUPPRESS, -+ file->f_path.mnt); -+ -+ if (!gr_tpe_allow(file)) -+ return 0; -+ -+ if (unlikely(!(mode & GR_EXEC) && !(mode & GR_SUPPRESS))) { -+ gr_log_fs_rbac_generic(GR_DONT_AUDIT, GR_MPROTECT_ACL_MSG, file->f_path.dentry, file->f_path.mnt); -+ return 0; -+ } else if (unlikely(!(mode & GR_EXEC))) { -+ return 0; -+ } else if (unlikely(mode & GR_EXEC && mode & GR_AUDIT_EXEC)) { -+ gr_log_fs_rbac_generic(GR_DO_AUDIT, GR_MPROTECT_ACL_MSG, file->f_path.dentry, file->f_path.mnt); -+ return 1; -+ } -+ -+ return 1; -+} -+ -+void -+gr_acl_handle_psacct(struct task_struct *task, const long code) -+{ -+ unsigned long runtime; -+ unsigned long cputime; -+ unsigned int wday, cday; -+ __u8 whr, chr; -+ __u8 wmin, cmin; -+ __u8 wsec, csec; -+ struct timespec timeval; -+ -+ if (unlikely(!(gr_status & GR_READY) || !task->acl || -+ !(task->acl->mode & GR_PROCACCT))) -+ return; -+ -+ do_posix_clock_monotonic_gettime(&timeval); -+ runtime = timeval.tv_sec - task->start_time.tv_sec; -+ wday = runtime / (3600 * 24); -+ runtime -= wday * (3600 * 24); -+ whr = runtime / 3600; -+ runtime -= whr * 3600; -+ wmin = runtime / 60; -+ runtime -= wmin * 60; -+ wsec = runtime; -+ -+ cputime = (task->utime + task->stime) / HZ; -+ cday = cputime / (3600 * 24); -+ cputime -= cday * (3600 * 24); -+ chr = cputime / 3600; -+ cputime -= chr * 3600; -+ cmin = cputime / 60; -+ cputime -= cmin * 60; -+ csec = cputime; -+ -+ gr_log_procacct(GR_DO_AUDIT, GR_ACL_PROCACCT_MSG, task, wday, whr, wmin, wsec, cday, chr, cmin, csec, code); -+ -+ return; -+} -+ -+void gr_set_kernel_label(struct task_struct *task) -+{ -+ if (gr_status & GR_READY) { -+ task->role = kernel_role; -+ task->acl = kernel_role->root_label; -+ } -+ return; -+} -+ -+#ifdef CONFIG_TASKSTATS -+int gr_is_taskstats_denied(int pid) -+{ -+ struct task_struct *task; -+#if defined(CONFIG_GRKERNSEC_PROC_USER) || defined(CONFIG_GRKERNSEC_PROC_USERGROUP) -+ const struct cred *cred; -+#endif -+ int ret = 0; -+ -+ /* restrict taskstats viewing to un-chrooted root users -+ who have the 'view' subject flag if the RBAC system is enabled -+ */ -+ -+ rcu_read_lock(); -+ read_lock(&tasklist_lock); -+ task = find_task_by_vpid(pid); -+ if (task) { -+#ifdef CONFIG_GRKERNSEC_CHROOT -+ if (proc_is_chrooted(task)) -+ ret = -EACCES; -+#endif -+#if defined(CONFIG_GRKERNSEC_PROC_USER) || defined(CONFIG_GRKERNSEC_PROC_USERGROUP) -+ cred = __task_cred(task); -+#ifdef CONFIG_GRKERNSEC_PROC_USER -+ if (cred->uid != 0) -+ ret = -EACCES; -+#elif defined(CONFIG_GRKERNSEC_PROC_USERGROUP) -+ if (cred->uid != 0 && !groups_search(cred->group_info, CONFIG_GRKERNSEC_PROC_GID)) -+ ret = -EACCES; -+#endif -+#endif -+ if (gr_status & GR_READY) { -+ if (!(task->acl->mode & GR_VIEW)) -+ ret = -EACCES; -+ } -+ } else -+ ret = -ENOENT; -+ -+ read_unlock(&tasklist_lock); -+ rcu_read_unlock(); -+ -+ return ret; -+} -+#endif -+ -+/* AUXV entries are filled via a descendant of search_binary_handler -+ after we've already applied the subject for the target -+*/ -+int gr_acl_enable_at_secure(void) -+{ -+ if (unlikely(!(gr_status & GR_READY))) -+ return 0; -+ -+ if (current->acl->mode & GR_ATSECURE) -+ return 1; -+ -+ return 0; -+} -+ -+int gr_acl_handle_filldir(const struct file *file, const char *name, const unsigned int namelen, const ino_t ino) -+{ -+ struct task_struct *task = current; -+ struct dentry *dentry = file->f_path.dentry; -+ struct vfsmount *mnt = file->f_path.mnt; -+ struct acl_object_label *obj, *tmp; -+ struct acl_subject_label *subj; -+ unsigned int bufsize; -+ int is_not_root; -+ char *path; -+ dev_t dev = __get_dev(dentry); -+ -+ if (unlikely(!(gr_status & GR_READY))) -+ return 1; -+ -+ if (task->acl->mode & (GR_LEARN | GR_INHERITLEARN)) -+ return 1; -+ -+ /* ignore Eric Biederman */ -+ if (IS_PRIVATE(dentry->d_inode)) -+ return 1; -+ -+ subj = task->acl; -+ do { -+ obj = lookup_acl_obj_label(ino, dev, subj); -+ if (obj != NULL) -+ return (obj->mode & GR_FIND) ? 1 : 0; -+ } while ((subj = subj->parent_subject)); -+ -+ /* this is purely an optimization since we're looking for an object -+ for the directory we're doing a readdir on -+ if it's possible for any globbed object to match the entry we're -+ filling into the directory, then the object we find here will be -+ an anchor point with attached globbed objects -+ */ -+ obj = chk_obj_label_noglob(dentry, mnt, task->acl); -+ if (obj->globbed == NULL) -+ return (obj->mode & GR_FIND) ? 1 : 0; -+ -+ is_not_root = ((obj->filename[0] == '/') && -+ (obj->filename[1] == '\0')) ? 0 : 1; -+ bufsize = PAGE_SIZE - namelen - is_not_root; -+ -+ /* check bufsize > PAGE_SIZE || bufsize == 0 */ -+ if (unlikely((bufsize - 1) > (PAGE_SIZE - 1))) -+ return 1; -+ -+ preempt_disable(); -+ path = d_real_path(dentry, mnt, per_cpu_ptr(gr_shared_page[0], smp_processor_id()), -+ bufsize); -+ -+ bufsize = strlen(path); -+ -+ /* if base is "/", don't append an additional slash */ -+ if (is_not_root) -+ *(path + bufsize) = '/'; -+ memcpy(path + bufsize + is_not_root, name, namelen); -+ *(path + bufsize + namelen + is_not_root) = '\0'; -+ -+ tmp = obj->globbed; -+ while (tmp) { -+ if (!glob_match(tmp->filename, path)) { -+ preempt_enable(); -+ return (tmp->mode & GR_FIND) ? 1 : 0; -+ } -+ tmp = tmp->next; -+ } -+ preempt_enable(); -+ return (obj->mode & GR_FIND) ? 1 : 0; -+} -+ -+#ifdef CONFIG_NETFILTER_XT_MATCH_GRADM_MODULE -+EXPORT_SYMBOL(gr_acl_is_enabled); -+#endif -+EXPORT_SYMBOL(gr_learn_resource); -+EXPORT_SYMBOL(gr_set_kernel_label); -+#ifdef CONFIG_SECURITY -+EXPORT_SYMBOL(gr_check_user_change); -+EXPORT_SYMBOL(gr_check_group_change); -+#endif -+ -diff -urNp linux-2.6.39.3/grsecurity/gracl_cap.c linux-2.6.39.3/grsecurity/gracl_cap.c ---- linux-2.6.39.3/grsecurity/gracl_cap.c 1969-12-31 19:00:00.000000000 -0500 -+++ linux-2.6.39.3/grsecurity/gracl_cap.c 2011-05-22 19:41:42.000000000 -0400 -@@ -0,0 +1,139 @@ -+#include <linux/kernel.h> -+#include <linux/module.h> -+#include <linux/sched.h> -+#include <linux/gracl.h> -+#include <linux/grsecurity.h> -+#include <linux/grinternal.h> -+ -+static const char *captab_log[] = { -+ "CAP_CHOWN", -+ "CAP_DAC_OVERRIDE", -+ "CAP_DAC_READ_SEARCH", -+ "CAP_FOWNER", -+ "CAP_FSETID", -+ "CAP_KILL", -+ "CAP_SETGID", -+ "CAP_SETUID", -+ "CAP_SETPCAP", -+ "CAP_LINUX_IMMUTABLE", -+ "CAP_NET_BIND_SERVICE", -+ "CAP_NET_BROADCAST", -+ "CAP_NET_ADMIN", -+ "CAP_NET_RAW", -+ "CAP_IPC_LOCK", -+ "CAP_IPC_OWNER", -+ "CAP_SYS_MODULE", -+ "CAP_SYS_RAWIO", -+ "CAP_SYS_CHROOT", -+ "CAP_SYS_PTRACE", -+ "CAP_SYS_PACCT", -+ "CAP_SYS_ADMIN", -+ "CAP_SYS_BOOT", -+ "CAP_SYS_NICE", -+ "CAP_SYS_RESOURCE", -+ "CAP_SYS_TIME", -+ "CAP_SYS_TTY_CONFIG", -+ "CAP_MKNOD", -+ "CAP_LEASE", -+ "CAP_AUDIT_WRITE", -+ "CAP_AUDIT_CONTROL", -+ "CAP_SETFCAP", -+ "CAP_MAC_OVERRIDE", -+ "CAP_MAC_ADMIN", -+ "CAP_SYSLOG" -+}; -+ -+EXPORT_SYMBOL(gr_is_capable); -+EXPORT_SYMBOL(gr_is_capable_nolog); -+ -+int -+gr_is_capable(const int cap) -+{ -+ struct task_struct *task = current; -+ const struct cred *cred = current_cred(); -+ struct acl_subject_label *curracl; -+ kernel_cap_t cap_drop = __cap_empty_set, cap_mask = __cap_empty_set; -+ kernel_cap_t cap_audit = __cap_empty_set; -+ -+ if (!gr_acl_is_enabled()) -+ return 1; -+ -+ curracl = task->acl; -+ -+ cap_drop = curracl->cap_lower; -+ cap_mask = curracl->cap_mask; -+ cap_audit = curracl->cap_invert_audit; -+ -+ while ((curracl = curracl->parent_subject)) { -+ /* if the cap isn't specified in the current computed mask but is specified in the -+ current level subject, and is lowered in the current level subject, then add -+ it to the set of dropped capabilities -+ otherwise, add the current level subject's mask to the current computed mask -+ */ -+ if (!cap_raised(cap_mask, cap) && cap_raised(curracl->cap_mask, cap)) { -+ cap_raise(cap_mask, cap); -+ if (cap_raised(curracl->cap_lower, cap)) -+ cap_raise(cap_drop, cap); -+ if (cap_raised(curracl->cap_invert_audit, cap)) -+ cap_raise(cap_audit, cap); -+ } -+ } -+ -+ if (!cap_raised(cap_drop, cap)) { -+ if (cap_raised(cap_audit, cap)) -+ gr_log_cap(GR_DO_AUDIT, GR_CAP_ACL_MSG2, task, captab_log[cap]); -+ return 1; -+ } -+ -+ curracl = task->acl; -+ -+ if ((curracl->mode & (GR_LEARN | GR_INHERITLEARN)) -+ && cap_raised(cred->cap_effective, cap)) { -+ security_learn(GR_LEARN_AUDIT_MSG, task->role->rolename, -+ task->role->roletype, cred->uid, -+ cred->gid, task->exec_file ? -+ gr_to_filename(task->exec_file->f_path.dentry, -+ task->exec_file->f_path.mnt) : curracl->filename, -+ curracl->filename, 0UL, -+ 0UL, "", (unsigned long) cap, &task->signal->saved_ip); -+ return 1; -+ } -+ -+ if ((cap >= 0) && (cap < (sizeof(captab_log)/sizeof(captab_log[0]))) && cap_raised(cred->cap_effective, cap) && !cap_raised(cap_audit, cap)) -+ gr_log_cap(GR_DONT_AUDIT, GR_CAP_ACL_MSG, task, captab_log[cap]); -+ return 0; -+} -+ -+int -+gr_is_capable_nolog(const int cap) -+{ -+ struct acl_subject_label *curracl; -+ kernel_cap_t cap_drop = __cap_empty_set, cap_mask = __cap_empty_set; -+ -+ if (!gr_acl_is_enabled()) -+ return 1; -+ -+ curracl = current->acl; -+ -+ cap_drop = curracl->cap_lower; -+ cap_mask = curracl->cap_mask; -+ -+ while ((curracl = curracl->parent_subject)) { -+ /* if the cap isn't specified in the current computed mask but is specified in the -+ current level subject, and is lowered in the current level subject, then add -+ it to the set of dropped capabilities -+ otherwise, add the current level subject's mask to the current computed mask -+ */ -+ if (!cap_raised(cap_mask, cap) && cap_raised(curracl->cap_mask, cap)) { -+ cap_raise(cap_mask, cap); -+ if (cap_raised(curracl->cap_lower, cap)) -+ cap_raise(cap_drop, cap); -+ } -+ } -+ -+ if (!cap_raised(cap_drop, cap)) -+ return 1; -+ -+ return 0; -+} -+ -diff -urNp linux-2.6.39.3/grsecurity/gracl_fs.c linux-2.6.39.3/grsecurity/gracl_fs.c ---- linux-2.6.39.3/grsecurity/gracl_fs.c 1969-12-31 19:00:00.000000000 -0500 -+++ linux-2.6.39.3/grsecurity/gracl_fs.c 2011-05-22 19:41:42.000000000 -0400 -@@ -0,0 +1,431 @@ -+#include <linux/kernel.h> -+#include <linux/sched.h> -+#include <linux/types.h> -+#include <linux/fs.h> -+#include <linux/file.h> -+#include <linux/stat.h> -+#include <linux/grsecurity.h> -+#include <linux/grinternal.h> -+#include <linux/gracl.h> -+ -+__u32 -+gr_acl_handle_hidden_file(const struct dentry * dentry, -+ const struct vfsmount * mnt) -+{ -+ __u32 mode; -+ -+ if (unlikely(!dentry->d_inode)) -+ return GR_FIND; -+ -+ mode = -+ gr_search_file(dentry, GR_FIND | GR_AUDIT_FIND | GR_SUPPRESS, mnt); -+ -+ if (unlikely(mode & GR_FIND && mode & GR_AUDIT_FIND)) { -+ gr_log_fs_rbac_generic(GR_DO_AUDIT, GR_HIDDEN_ACL_MSG, dentry, mnt); -+ return mode; -+ } else if (unlikely(!(mode & GR_FIND) && !(mode & GR_SUPPRESS))) { -+ gr_log_fs_rbac_generic(GR_DONT_AUDIT, GR_HIDDEN_ACL_MSG, dentry, mnt); -+ return 0; -+ } else if (unlikely(!(mode & GR_FIND))) -+ return 0; -+ -+ return GR_FIND; -+} -+ -+__u32 -+gr_acl_handle_open(const struct dentry * dentry, const struct vfsmount * mnt, -+ const int fmode) -+{ -+ __u32 reqmode = GR_FIND; -+ __u32 mode; -+ -+ if (unlikely(!dentry->d_inode)) -+ return reqmode; -+ -+ if (unlikely(fmode & O_APPEND)) -+ reqmode |= GR_APPEND; -+ else if (unlikely(fmode & FMODE_WRITE)) -+ reqmode |= GR_WRITE; -+ if (likely((fmode & FMODE_READ) && !(fmode & O_DIRECTORY))) -+ reqmode |= GR_READ; -+ if ((fmode & FMODE_GREXEC) && (fmode & __FMODE_EXEC)) -+ reqmode &= ~GR_READ; -+ mode = -+ gr_search_file(dentry, reqmode | to_gr_audit(reqmode) | GR_SUPPRESS, -+ mnt); -+ -+ if (unlikely(((mode & reqmode) == reqmode) && mode & GR_AUDITS)) { -+ gr_log_fs_rbac_mode2(GR_DO_AUDIT, GR_OPEN_ACL_MSG, dentry, mnt, -+ reqmode & GR_READ ? " reading" : "", -+ reqmode & GR_WRITE ? " writing" : reqmode & -+ GR_APPEND ? " appending" : ""); -+ return reqmode; -+ } else -+ if (unlikely((mode & reqmode) != reqmode && !(mode & GR_SUPPRESS))) -+ { -+ gr_log_fs_rbac_mode2(GR_DONT_AUDIT, GR_OPEN_ACL_MSG, dentry, mnt, -+ reqmode & GR_READ ? " reading" : "", -+ reqmode & GR_WRITE ? " writing" : reqmode & -+ GR_APPEND ? " appending" : ""); -+ return 0; -+ } else if (unlikely((mode & reqmode) != reqmode)) -+ return 0; -+ -+ return reqmode; -+} -+ -+__u32 -+gr_acl_handle_creat(const struct dentry * dentry, -+ const struct dentry * p_dentry, -+ const struct vfsmount * p_mnt, const int fmode, -+ const int imode) -+{ -+ __u32 reqmode = GR_WRITE | GR_CREATE; -+ __u32 mode; -+ -+ if (unlikely(fmode & O_APPEND)) -+ reqmode |= GR_APPEND; -+ if (unlikely((fmode & FMODE_READ) && !(fmode & O_DIRECTORY))) -+ reqmode |= GR_READ; -+ if (unlikely((fmode & O_CREAT) && (imode & (S_ISUID | S_ISGID)))) -+ reqmode |= GR_SETID; -+ -+ mode = -+ gr_check_create(dentry, p_dentry, p_mnt, -+ reqmode | to_gr_audit(reqmode) | GR_SUPPRESS); -+ -+ if (unlikely(((mode & reqmode) == reqmode) && mode & GR_AUDITS)) { -+ gr_log_fs_rbac_mode2(GR_DO_AUDIT, GR_CREATE_ACL_MSG, dentry, p_mnt, -+ reqmode & GR_READ ? " reading" : "", -+ reqmode & GR_WRITE ? " writing" : reqmode & -+ GR_APPEND ? " appending" : ""); -+ return reqmode; -+ } else -+ if (unlikely((mode & reqmode) != reqmode && !(mode & GR_SUPPRESS))) -+ { -+ gr_log_fs_rbac_mode2(GR_DONT_AUDIT, GR_CREATE_ACL_MSG, dentry, p_mnt, -+ reqmode & GR_READ ? " reading" : "", -+ reqmode & GR_WRITE ? " writing" : reqmode & -+ GR_APPEND ? " appending" : ""); -+ return 0; -+ } else if (unlikely((mode & reqmode) != reqmode)) -+ return 0; -+ -+ return reqmode; -+} -+ -+__u32 -+gr_acl_handle_access(const struct dentry * dentry, const struct vfsmount * mnt, -+ const int fmode) -+{ -+ __u32 mode, reqmode = GR_FIND; -+ -+ if ((fmode & S_IXOTH) && !S_ISDIR(dentry->d_inode->i_mode)) -+ reqmode |= GR_EXEC; -+ if (fmode & S_IWOTH) -+ reqmode |= GR_WRITE; -+ if (fmode & S_IROTH) -+ reqmode |= GR_READ; -+ -+ mode = -+ gr_search_file(dentry, reqmode | to_gr_audit(reqmode) | GR_SUPPRESS, -+ mnt); -+ -+ if (unlikely(((mode & reqmode) == reqmode) && mode & GR_AUDITS)) { -+ gr_log_fs_rbac_mode3(GR_DO_AUDIT, GR_ACCESS_ACL_MSG, dentry, mnt, -+ reqmode & GR_READ ? " reading" : "", -+ reqmode & GR_WRITE ? " writing" : "", -+ reqmode & GR_EXEC ? " executing" : ""); -+ return reqmode; -+ } else -+ if (unlikely((mode & reqmode) != reqmode && !(mode & GR_SUPPRESS))) -+ { -+ gr_log_fs_rbac_mode3(GR_DONT_AUDIT, GR_ACCESS_ACL_MSG, dentry, mnt, -+ reqmode & GR_READ ? " reading" : "", -+ reqmode & GR_WRITE ? " writing" : "", -+ reqmode & GR_EXEC ? " executing" : ""); -+ return 0; -+ } else if (unlikely((mode & reqmode) != reqmode)) -+ return 0; -+ -+ return reqmode; -+} -+ -+static __u32 generic_fs_handler(const struct dentry *dentry, const struct vfsmount *mnt, __u32 reqmode, const char *fmt) -+{ -+ __u32 mode; -+ -+ mode = gr_search_file(dentry, reqmode | to_gr_audit(reqmode) | GR_SUPPRESS, mnt); -+ -+ if (unlikely(((mode & (reqmode)) == (reqmode)) && mode & GR_AUDITS)) { -+ gr_log_fs_rbac_generic(GR_DO_AUDIT, fmt, dentry, mnt); -+ return mode; -+ } else if (unlikely((mode & (reqmode)) != (reqmode) && !(mode & GR_SUPPRESS))) { -+ gr_log_fs_rbac_generic(GR_DONT_AUDIT, fmt, dentry, mnt); -+ return 0; -+ } else if (unlikely((mode & (reqmode)) != (reqmode))) -+ return 0; -+ -+ return (reqmode); -+} -+ -+__u32 -+gr_acl_handle_rmdir(const struct dentry * dentry, const struct vfsmount * mnt) -+{ -+ return generic_fs_handler(dentry, mnt, GR_WRITE | GR_DELETE , GR_RMDIR_ACL_MSG); -+} -+ -+__u32 -+gr_acl_handle_unlink(const struct dentry *dentry, const struct vfsmount *mnt) -+{ -+ return generic_fs_handler(dentry, mnt, GR_WRITE | GR_DELETE , GR_UNLINK_ACL_MSG); -+} -+ -+__u32 -+gr_acl_handle_truncate(const struct dentry *dentry, const struct vfsmount *mnt) -+{ -+ return generic_fs_handler(dentry, mnt, GR_WRITE, GR_TRUNCATE_ACL_MSG); -+} -+ -+__u32 -+gr_acl_handle_utime(const struct dentry *dentry, const struct vfsmount *mnt) -+{ -+ return generic_fs_handler(dentry, mnt, GR_WRITE, GR_ATIME_ACL_MSG); -+} -+ -+__u32 -+gr_acl_handle_fchmod(const struct dentry *dentry, const struct vfsmount *mnt, -+ mode_t mode) -+{ -+ if (unlikely(dentry->d_inode && S_ISSOCK(dentry->d_inode->i_mode))) -+ return 1; -+ -+ if (unlikely((mode != (mode_t)-1) && (mode & (S_ISUID | S_ISGID)))) { -+ return generic_fs_handler(dentry, mnt, GR_WRITE | GR_SETID, -+ GR_FCHMOD_ACL_MSG); -+ } else { -+ return generic_fs_handler(dentry, mnt, GR_WRITE, GR_FCHMOD_ACL_MSG); -+ } -+} -+ -+__u32 -+gr_acl_handle_chmod(const struct dentry *dentry, const struct vfsmount *mnt, -+ mode_t mode) -+{ -+ if (unlikely((mode != (mode_t)-1) && (mode & (S_ISUID | S_ISGID)))) { -+ return generic_fs_handler(dentry, mnt, GR_WRITE | GR_SETID, -+ GR_CHMOD_ACL_MSG); -+ } else { -+ return generic_fs_handler(dentry, mnt, GR_WRITE, GR_CHMOD_ACL_MSG); -+ } -+} -+ -+__u32 -+gr_acl_handle_chown(const struct dentry *dentry, const struct vfsmount *mnt) -+{ -+ return generic_fs_handler(dentry, mnt, GR_WRITE, GR_CHOWN_ACL_MSG); -+} -+ -+__u32 -+gr_acl_handle_setxattr(const struct dentry *dentry, const struct vfsmount *mnt) -+{ -+ return generic_fs_handler(dentry, mnt, GR_WRITE, GR_SETXATTR_ACL_MSG); -+} -+ -+__u32 -+gr_acl_handle_execve(const struct dentry *dentry, const struct vfsmount *mnt) -+{ -+ return generic_fs_handler(dentry, mnt, GR_EXEC, GR_EXEC_ACL_MSG); -+} -+ -+__u32 -+gr_acl_handle_unix(const struct dentry *dentry, const struct vfsmount *mnt) -+{ -+ return generic_fs_handler(dentry, mnt, GR_READ | GR_WRITE, -+ GR_UNIXCONNECT_ACL_MSG); -+} -+ -+/* hardlinks require at minimum create permission, -+ any additional privilege required is based on the -+ privilege of the file being linked to -+*/ -+__u32 -+gr_acl_handle_link(const struct dentry * new_dentry, -+ const struct dentry * parent_dentry, -+ const struct vfsmount * parent_mnt, -+ const struct dentry * old_dentry, -+ const struct vfsmount * old_mnt, const char *to) -+{ -+ __u32 mode; -+ __u32 needmode = GR_CREATE | GR_LINK; -+ __u32 needaudit = GR_AUDIT_CREATE | GR_AUDIT_LINK; -+ -+ mode = -+ gr_check_link(new_dentry, parent_dentry, parent_mnt, old_dentry, -+ old_mnt); -+ -+ if (unlikely(((mode & needmode) == needmode) && (mode & needaudit))) { -+ gr_log_fs_rbac_str(GR_DO_AUDIT, GR_LINK_ACL_MSG, old_dentry, old_mnt, to); -+ return mode; -+ } else if (unlikely(((mode & needmode) != needmode) && !(mode & GR_SUPPRESS))) { -+ gr_log_fs_rbac_str(GR_DONT_AUDIT, GR_LINK_ACL_MSG, old_dentry, old_mnt, to); -+ return 0; -+ } else if (unlikely((mode & needmode) != needmode)) -+ return 0; -+ -+ return 1; -+} -+ -+__u32 -+gr_acl_handle_symlink(const struct dentry * new_dentry, -+ const struct dentry * parent_dentry, -+ const struct vfsmount * parent_mnt, const char *from) -+{ -+ __u32 needmode = GR_WRITE | GR_CREATE; -+ __u32 mode; -+ -+ mode = -+ gr_check_create(new_dentry, parent_dentry, parent_mnt, -+ GR_CREATE | GR_AUDIT_CREATE | -+ GR_WRITE | GR_AUDIT_WRITE | GR_SUPPRESS); -+ -+ if (unlikely(mode & GR_WRITE && mode & GR_AUDITS)) { -+ gr_log_fs_str_rbac(GR_DO_AUDIT, GR_SYMLINK_ACL_MSG, from, new_dentry, parent_mnt); -+ return mode; -+ } else if (unlikely(((mode & needmode) != needmode) && !(mode & GR_SUPPRESS))) { -+ gr_log_fs_str_rbac(GR_DONT_AUDIT, GR_SYMLINK_ACL_MSG, from, new_dentry, parent_mnt); -+ return 0; -+ } else if (unlikely((mode & needmode) != needmode)) -+ return 0; -+ -+ return (GR_WRITE | GR_CREATE); -+} -+ -+static __u32 generic_fs_create_handler(const struct dentry *new_dentry, const struct dentry *parent_dentry, const struct vfsmount *parent_mnt, __u32 reqmode, const char *fmt) -+{ -+ __u32 mode; -+ -+ mode = gr_check_create(new_dentry, parent_dentry, parent_mnt, reqmode | to_gr_audit(reqmode) | GR_SUPPRESS); -+ -+ if (unlikely(((mode & (reqmode)) == (reqmode)) && mode & GR_AUDITS)) { -+ gr_log_fs_rbac_generic(GR_DO_AUDIT, fmt, new_dentry, parent_mnt); -+ return mode; -+ } else if (unlikely((mode & (reqmode)) != (reqmode) && !(mode & GR_SUPPRESS))) { -+ gr_log_fs_rbac_generic(GR_DONT_AUDIT, fmt, new_dentry, parent_mnt); -+ return 0; -+ } else if (unlikely((mode & (reqmode)) != (reqmode))) -+ return 0; -+ -+ return (reqmode); -+} -+ -+__u32 -+gr_acl_handle_mknod(const struct dentry * new_dentry, -+ const struct dentry * parent_dentry, -+ const struct vfsmount * parent_mnt, -+ const int mode) -+{ -+ __u32 reqmode = GR_WRITE | GR_CREATE; -+ if (unlikely(mode & (S_ISUID | S_ISGID))) -+ reqmode |= GR_SETID; -+ -+ return generic_fs_create_handler(new_dentry, parent_dentry, parent_mnt, -+ reqmode, GR_MKNOD_ACL_MSG); -+} -+ -+__u32 -+gr_acl_handle_mkdir(const struct dentry *new_dentry, -+ const struct dentry *parent_dentry, -+ const struct vfsmount *parent_mnt) -+{ -+ return generic_fs_create_handler(new_dentry, parent_dentry, parent_mnt, -+ GR_WRITE | GR_CREATE, GR_MKDIR_ACL_MSG); -+} -+ -+#define RENAME_CHECK_SUCCESS(old, new) \ -+ (((old & (GR_WRITE | GR_READ)) == (GR_WRITE | GR_READ)) && \ -+ ((new & (GR_WRITE | GR_READ)) == (GR_WRITE | GR_READ))) -+ -+int -+gr_acl_handle_rename(struct dentry *new_dentry, -+ struct dentry *parent_dentry, -+ const struct vfsmount *parent_mnt, -+ struct dentry *old_dentry, -+ struct inode *old_parent_inode, -+ struct vfsmount *old_mnt, const char *newname) -+{ -+ __u32 comp1, comp2; -+ int error = 0; -+ -+ if (unlikely(!gr_acl_is_enabled())) -+ return 0; -+ -+ if (!new_dentry->d_inode) { -+ comp1 = gr_check_create(new_dentry, parent_dentry, parent_mnt, -+ GR_READ | GR_WRITE | GR_CREATE | GR_AUDIT_READ | -+ GR_AUDIT_WRITE | GR_AUDIT_CREATE | GR_SUPPRESS); -+ comp2 = gr_search_file(old_dentry, GR_READ | GR_WRITE | -+ GR_DELETE | GR_AUDIT_DELETE | -+ GR_AUDIT_READ | GR_AUDIT_WRITE | -+ GR_SUPPRESS, old_mnt); -+ } else { -+ comp1 = gr_search_file(new_dentry, GR_READ | GR_WRITE | -+ GR_CREATE | GR_DELETE | -+ GR_AUDIT_CREATE | GR_AUDIT_DELETE | -+ GR_AUDIT_READ | GR_AUDIT_WRITE | -+ GR_SUPPRESS, parent_mnt); -+ comp2 = -+ gr_search_file(old_dentry, -+ GR_READ | GR_WRITE | GR_AUDIT_READ | -+ GR_DELETE | GR_AUDIT_DELETE | -+ GR_AUDIT_WRITE | GR_SUPPRESS, old_mnt); -+ } -+ -+ if (RENAME_CHECK_SUCCESS(comp1, comp2) && -+ ((comp1 & GR_AUDITS) || (comp2 & GR_AUDITS))) -+ gr_log_fs_rbac_str(GR_DO_AUDIT, GR_RENAME_ACL_MSG, old_dentry, old_mnt, newname); -+ else if (!RENAME_CHECK_SUCCESS(comp1, comp2) && !(comp1 & GR_SUPPRESS) -+ && !(comp2 & GR_SUPPRESS)) { -+ gr_log_fs_rbac_str(GR_DONT_AUDIT, GR_RENAME_ACL_MSG, old_dentry, old_mnt, newname); -+ error = -EACCES; -+ } else if (unlikely(!RENAME_CHECK_SUCCESS(comp1, comp2))) -+ error = -EACCES; -+ -+ return error; -+} -+ -+void -+gr_acl_handle_exit(void) -+{ -+ u16 id; -+ char *rolename; -+ struct file *exec_file; -+ -+ if (unlikely(current->acl_sp_role && gr_acl_is_enabled() && -+ !(current->role->roletype & GR_ROLE_PERSIST))) { -+ id = current->acl_role_id; -+ rolename = current->role->rolename; -+ gr_set_acls(1); -+ gr_log_str_int(GR_DONT_AUDIT_GOOD, GR_SPROLEL_ACL_MSG, rolename, id); -+ } -+ -+ write_lock(&grsec_exec_file_lock); -+ exec_file = current->exec_file; -+ current->exec_file = NULL; -+ write_unlock(&grsec_exec_file_lock); -+ -+ if (exec_file) -+ fput(exec_file); -+} -+ -+int -+gr_acl_handle_procpidmem(const struct task_struct *task) -+{ -+ if (unlikely(!gr_acl_is_enabled())) -+ return 0; -+ -+ if (task != current && task->acl->mode & GR_PROTPROCFD) -+ return -EACCES; -+ -+ return 0; -+} -diff -urNp linux-2.6.39.3/grsecurity/gracl_ip.c linux-2.6.39.3/grsecurity/gracl_ip.c ---- linux-2.6.39.3/grsecurity/gracl_ip.c 1969-12-31 19:00:00.000000000 -0500 -+++ linux-2.6.39.3/grsecurity/gracl_ip.c 2011-05-22 22:47:31.000000000 -0400 -@@ -0,0 +1,381 @@ -+#include <linux/kernel.h> -+#include <asm/uaccess.h> -+#include <asm/errno.h> -+#include <net/sock.h> -+#include <linux/file.h> -+#include <linux/fs.h> -+#include <linux/net.h> -+#include <linux/in.h> -+#include <linux/skbuff.h> -+#include <linux/ip.h> -+#include <linux/udp.h> -+#include <linux/types.h> -+#include <linux/sched.h> -+#include <linux/netdevice.h> -+#include <linux/inetdevice.h> -+#include <linux/gracl.h> -+#include <linux/grsecurity.h> -+#include <linux/grinternal.h> -+ -+#define GR_BIND 0x01 -+#define GR_CONNECT 0x02 -+#define GR_INVERT 0x04 -+#define GR_BINDOVERRIDE 0x08 -+#define GR_CONNECTOVERRIDE 0x10 -+#define GR_SOCK_FAMILY 0x20 -+ -+static const char * gr_protocols[IPPROTO_MAX] = { -+ "ip", "icmp", "igmp", "ggp", "ipencap", "st", "tcp", "cbt", -+ "egp", "igp", "bbn-rcc", "nvp", "pup", "argus", "emcon", "xnet", -+ "chaos", "udp", "mux", "dcn", "hmp", "prm", "xns-idp", "trunk-1", -+ "trunk-2", "leaf-1", "leaf-2", "rdp", "irtp", "iso-tp4", "netblt", "mfe-nsp", -+ "merit-inp", "sep", "3pc", "idpr", "xtp", "ddp", "idpr-cmtp", "tp++", -+ "il", "ipv6", "sdrp", "ipv6-route", "ipv6-frag", "idrp", "rsvp", "gre", -+ "mhrp", "bna", "ipv6-crypt", "ipv6-auth", "i-nlsp", "swipe", "narp", "mobile", -+ "tlsp", "skip", "ipv6-icmp", "ipv6-nonxt", "ipv6-opts", "unknown:61", "cftp", "unknown:63", -+ "sat-expak", "kryptolan", "rvd", "ippc", "unknown:68", "sat-mon", "visa", "ipcv", -+ "cpnx", "cphb", "wsn", "pvp", "br-sat-mon", "sun-nd", "wb-mon", "wb-expak", -+ "iso-ip", "vmtp", "secure-vmtp", "vines", "ttp", "nfsnet-igp", "dgp", "tcf", -+ "eigrp", "ospf", "sprite-rpc", "larp", "mtp", "ax.25", "ipip", "micp", -+ "scc-sp", "etherip", "encap", "unknown:99", "gmtp", "ifmp", "pnni", "pim", -+ "aris", "scps", "qnx", "a/n", "ipcomp", "snp", "compaq-peer", "ipx-in-ip", -+ "vrrp", "pgm", "unknown:114", "l2tp", "ddx", "iatp", "stp", "srp", -+ "uti", "smp", "sm", "ptp", "isis", "fire", "crtp", "crdup", -+ "sscopmce", "iplt", "sps", "pipe", "sctp", "fc", "unkown:134", "unknown:135", -+ "unknown:136", "unknown:137", "unknown:138", "unknown:139", "unknown:140", "unknown:141", "unknown:142", "unknown:143", -+ "unknown:144", "unknown:145", "unknown:146", "unknown:147", "unknown:148", "unknown:149", "unknown:150", "unknown:151", -+ "unknown:152", "unknown:153", "unknown:154", "unknown:155", "unknown:156", "unknown:157", "unknown:158", "unknown:159", -+ "unknown:160", "unknown:161", "unknown:162", "unknown:163", "unknown:164", "unknown:165", "unknown:166", "unknown:167", -+ "unknown:168", "unknown:169", "unknown:170", "unknown:171", "unknown:172", "unknown:173", "unknown:174", "unknown:175", -+ "unknown:176", "unknown:177", "unknown:178", "unknown:179", "unknown:180", "unknown:181", "unknown:182", "unknown:183", -+ "unknown:184", "unknown:185", "unknown:186", "unknown:187", "unknown:188", "unknown:189", "unknown:190", "unknown:191", -+ "unknown:192", "unknown:193", "unknown:194", "unknown:195", "unknown:196", "unknown:197", "unknown:198", "unknown:199", -+ "unknown:200", "unknown:201", "unknown:202", "unknown:203", "unknown:204", "unknown:205", "unknown:206", "unknown:207", -+ "unknown:208", "unknown:209", "unknown:210", "unknown:211", "unknown:212", "unknown:213", "unknown:214", "unknown:215", -+ "unknown:216", "unknown:217", "unknown:218", "unknown:219", "unknown:220", "unknown:221", "unknown:222", "unknown:223", -+ "unknown:224", "unknown:225", "unknown:226", "unknown:227", "unknown:228", "unknown:229", "unknown:230", "unknown:231", -+ "unknown:232", "unknown:233", "unknown:234", "unknown:235", "unknown:236", "unknown:237", "unknown:238", "unknown:239", -+ "unknown:240", "unknown:241", "unknown:242", "unknown:243", "unknown:244", "unknown:245", "unknown:246", "unknown:247", -+ "unknown:248", "unknown:249", "unknown:250", "unknown:251", "unknown:252", "unknown:253", "unknown:254", "unknown:255", -+ }; -+ -+static const char * gr_socktypes[SOCK_MAX] = { -+ "unknown:0", "stream", "dgram", "raw", "rdm", "seqpacket", "unknown:6", -+ "unknown:7", "unknown:8", "unknown:9", "packet" -+ }; -+ -+static const char * gr_sockfamilies[AF_MAX+1] = { -+ "unspec", "unix", "inet", "ax25", "ipx", "appletalk", "netrom", "bridge", "atmpvc", "x25", -+ "inet6", "rose", "decnet", "netbeui", "security", "key", "netlink", "packet", "ash", -+ "econet", "atmsvc", "rds", "sna", "irda", "ppox", "wanpipe", "llc", "fam_27", "fam_28", -+ "tipc", "bluetooth", "iucv", "rxrpc", "isdn", "phonet", "ieee802154", "ciaf" -+ }; -+ -+const char * -+gr_proto_to_name(unsigned char proto) -+{ -+ return gr_protocols[proto]; -+} -+ -+const char * -+gr_socktype_to_name(unsigned char type) -+{ -+ return gr_socktypes[type]; -+} -+ -+const char * -+gr_sockfamily_to_name(unsigned char family) -+{ -+ return gr_sockfamilies[family]; -+} -+ -+int -+gr_search_socket(const int domain, const int type, const int protocol) -+{ -+ struct acl_subject_label *curr; -+ const struct cred *cred = current_cred(); -+ -+ if (unlikely(!gr_acl_is_enabled())) -+ goto exit; -+ -+ if ((domain < 0) || (type < 0) || (protocol < 0) || -+ (domain >= AF_MAX) || (type >= SOCK_MAX) || (protocol >= IPPROTO_MAX)) -+ goto exit; // let the kernel handle it -+ -+ curr = current->acl; -+ -+ if (curr->sock_families[domain / 32] & (1 << (domain % 32))) { -+ /* the family is allowed, if this is PF_INET allow it only if -+ the extra sock type/protocol checks pass */ -+ if (domain == PF_INET) -+ goto inet_check; -+ goto exit; -+ } else { -+ if (curr->mode & (GR_LEARN | GR_INHERITLEARN)) { -+ __u32 fakeip = 0; -+ security_learn(GR_IP_LEARN_MSG, current->role->rolename, -+ current->role->roletype, cred->uid, -+ cred->gid, current->exec_file ? -+ gr_to_filename(current->exec_file->f_path.dentry, -+ current->exec_file->f_path.mnt) : -+ curr->filename, curr->filename, -+ &fakeip, domain, 0, 0, GR_SOCK_FAMILY, -+ ¤t->signal->saved_ip); -+ goto exit; -+ } -+ goto exit_fail; -+ } -+ -+inet_check: -+ /* the rest of this checking is for IPv4 only */ -+ if (!curr->ips) -+ goto exit; -+ -+ if ((curr->ip_type & (1 << type)) && -+ (curr->ip_proto[protocol / 32] & (1 << (protocol % 32)))) -+ goto exit; -+ -+ if (curr->mode & (GR_LEARN | GR_INHERITLEARN)) { -+ /* we don't place acls on raw sockets , and sometimes -+ dgram/ip sockets are opened for ioctl and not -+ bind/connect, so we'll fake a bind learn log */ -+ if (type == SOCK_RAW || type == SOCK_PACKET) { -+ __u32 fakeip = 0; -+ security_learn(GR_IP_LEARN_MSG, current->role->rolename, -+ current->role->roletype, cred->uid, -+ cred->gid, current->exec_file ? -+ gr_to_filename(current->exec_file->f_path.dentry, -+ current->exec_file->f_path.mnt) : -+ curr->filename, curr->filename, -+ &fakeip, 0, type, -+ protocol, GR_CONNECT, ¤t->signal->saved_ip); -+ } else if ((type == SOCK_DGRAM) && (protocol == IPPROTO_IP)) { -+ __u32 fakeip = 0; -+ security_learn(GR_IP_LEARN_MSG, current->role->rolename, -+ current->role->roletype, cred->uid, -+ cred->gid, current->exec_file ? -+ gr_to_filename(current->exec_file->f_path.dentry, -+ current->exec_file->f_path.mnt) : -+ curr->filename, curr->filename, -+ &fakeip, 0, type, -+ protocol, GR_BIND, ¤t->signal->saved_ip); -+ } -+ /* we'll log when they use connect or bind */ -+ goto exit; -+ } -+ -+exit_fail: -+ if (domain == PF_INET) -+ gr_log_str3(GR_DONT_AUDIT, GR_SOCK_MSG, gr_sockfamily_to_name(domain), -+ gr_socktype_to_name(type), gr_proto_to_name(protocol)); -+ else -+ gr_log_str2_int(GR_DONT_AUDIT, GR_SOCK_NOINET_MSG, gr_sockfamily_to_name(domain), -+ gr_socktype_to_name(type), protocol); -+ -+ return 0; -+exit: -+ return 1; -+} -+ -+int check_ip_policy(struct acl_ip_label *ip, __u32 ip_addr, __u16 ip_port, __u8 protocol, const int mode, const int type, __u32 our_addr, __u32 our_netmask) -+{ -+ if ((ip->mode & mode) && -+ (ip_port >= ip->low) && -+ (ip_port <= ip->high) && -+ ((ntohl(ip_addr) & our_netmask) == -+ (ntohl(our_addr) & our_netmask)) -+ && (ip->proto[protocol / 32] & (1 << (protocol % 32))) -+ && (ip->type & (1 << type))) { -+ if (ip->mode & GR_INVERT) -+ return 2; // specifically denied -+ else -+ return 1; // allowed -+ } -+ -+ return 0; // not specifically allowed, may continue parsing -+} -+ -+static int -+gr_search_connectbind(const int full_mode, struct sock *sk, -+ struct sockaddr_in *addr, const int type) -+{ -+ char iface[IFNAMSIZ] = {0}; -+ struct acl_subject_label *curr; -+ struct acl_ip_label *ip; -+ struct inet_sock *isk; -+ struct net_device *dev; -+ struct in_device *idev; -+ unsigned long i; -+ int ret; -+ int mode = full_mode & (GR_BIND | GR_CONNECT); -+ __u32 ip_addr = 0; -+ __u32 our_addr; -+ __u32 our_netmask; -+ char *p; -+ __u16 ip_port = 0; -+ const struct cred *cred = current_cred(); -+ -+ if (unlikely(!gr_acl_is_enabled() || sk->sk_family != PF_INET)) -+ return 0; -+ -+ curr = current->acl; -+ isk = inet_sk(sk); -+ -+ /* INADDR_ANY overriding for binds, inaddr_any_override is already in network order */ -+ if ((full_mode & GR_BINDOVERRIDE) && addr->sin_addr.s_addr == htonl(INADDR_ANY) && curr->inaddr_any_override != 0) -+ addr->sin_addr.s_addr = curr->inaddr_any_override; -+ if ((full_mode & GR_CONNECT) && isk->inet_saddr == htonl(INADDR_ANY) && curr->inaddr_any_override != 0) { -+ struct sockaddr_in saddr; -+ int err; -+ -+ saddr.sin_family = AF_INET; -+ saddr.sin_addr.s_addr = curr->inaddr_any_override; -+ saddr.sin_port = isk->inet_sport; -+ -+ err = security_socket_bind(sk->sk_socket, (struct sockaddr *)&saddr, sizeof(struct sockaddr_in)); -+ if (err) -+ return err; -+ -+ err = sk->sk_socket->ops->bind(sk->sk_socket, (struct sockaddr *)&saddr, sizeof(struct sockaddr_in)); -+ if (err) -+ return err; -+ } -+ -+ if (!curr->ips) -+ return 0; -+ -+ ip_addr = addr->sin_addr.s_addr; -+ ip_port = ntohs(addr->sin_port); -+ -+ if (curr->mode & (GR_LEARN | GR_INHERITLEARN)) { -+ security_learn(GR_IP_LEARN_MSG, current->role->rolename, -+ current->role->roletype, cred->uid, -+ cred->gid, current->exec_file ? -+ gr_to_filename(current->exec_file->f_path.dentry, -+ current->exec_file->f_path.mnt) : -+ curr->filename, curr->filename, -+ &ip_addr, ip_port, type, -+ sk->sk_protocol, mode, ¤t->signal->saved_ip); -+ return 0; -+ } -+ -+ for (i = 0; i < curr->ip_num; i++) { -+ ip = *(curr->ips + i); -+ if (ip->iface != NULL) { -+ strncpy(iface, ip->iface, IFNAMSIZ - 1); -+ p = strchr(iface, ':'); -+ if (p != NULL) -+ *p = '\0'; -+ dev = dev_get_by_name(sock_net(sk), iface); -+ if (dev == NULL) -+ continue; -+ idev = in_dev_get(dev); -+ if (idev == NULL) { -+ dev_put(dev); -+ continue; -+ } -+ rcu_read_lock(); -+ for_ifa(idev) { -+ if (!strcmp(ip->iface, ifa->ifa_label)) { -+ our_addr = ifa->ifa_address; -+ our_netmask = 0xffffffff; -+ ret = check_ip_policy(ip, ip_addr, ip_port, sk->sk_protocol, mode, type, our_addr, our_netmask); -+ if (ret == 1) { -+ rcu_read_unlock(); -+ in_dev_put(idev); -+ dev_put(dev); -+ return 0; -+ } else if (ret == 2) { -+ rcu_read_unlock(); -+ in_dev_put(idev); -+ dev_put(dev); -+ goto denied; -+ } -+ } -+ } endfor_ifa(idev); -+ rcu_read_unlock(); -+ in_dev_put(idev); -+ dev_put(dev); -+ } else { -+ our_addr = ip->addr; -+ our_netmask = ip->netmask; -+ ret = check_ip_policy(ip, ip_addr, ip_port, sk->sk_protocol, mode, type, our_addr, our_netmask); -+ if (ret == 1) -+ return 0; -+ else if (ret == 2) -+ goto denied; -+ } -+ } -+ -+denied: -+ if (mode == GR_BIND) -+ gr_log_int5_str2(GR_DONT_AUDIT, GR_BIND_ACL_MSG, &ip_addr, ip_port, gr_socktype_to_name(type), gr_proto_to_name(sk->sk_protocol)); -+ else if (mode == GR_CONNECT) -+ gr_log_int5_str2(GR_DONT_AUDIT, GR_CONNECT_ACL_MSG, &ip_addr, ip_port, gr_socktype_to_name(type), gr_proto_to_name(sk->sk_protocol)); -+ -+ return -EACCES; -+} -+ -+int -+gr_search_connect(struct socket *sock, struct sockaddr_in *addr) -+{ -+ return gr_search_connectbind(GR_CONNECT | GR_CONNECTOVERRIDE, sock->sk, addr, sock->type); -+} -+ -+int -+gr_search_bind(struct socket *sock, struct sockaddr_in *addr) -+{ -+ return gr_search_connectbind(GR_BIND | GR_BINDOVERRIDE, sock->sk, addr, sock->type); -+} -+ -+int gr_search_listen(struct socket *sock) -+{ -+ struct sock *sk = sock->sk; -+ struct sockaddr_in addr; -+ -+ addr.sin_addr.s_addr = inet_sk(sk)->inet_saddr; -+ addr.sin_port = inet_sk(sk)->inet_sport; -+ -+ return gr_search_connectbind(GR_BIND | GR_CONNECTOVERRIDE, sock->sk, &addr, sock->type); -+} -+ -+int gr_search_accept(struct socket *sock) -+{ -+ struct sock *sk = sock->sk; -+ struct sockaddr_in addr; -+ -+ addr.sin_addr.s_addr = inet_sk(sk)->inet_saddr; -+ addr.sin_port = inet_sk(sk)->inet_sport; -+ -+ return gr_search_connectbind(GR_BIND | GR_CONNECTOVERRIDE, sock->sk, &addr, sock->type); -+} -+ -+int -+gr_search_udp_sendmsg(struct sock *sk, struct sockaddr_in *addr) -+{ -+ if (addr) -+ return gr_search_connectbind(GR_CONNECT, sk, addr, SOCK_DGRAM); -+ else { -+ struct sockaddr_in sin; -+ const struct inet_sock *inet = inet_sk(sk); -+ -+ sin.sin_addr.s_addr = inet->inet_daddr; -+ sin.sin_port = inet->inet_dport; -+ -+ return gr_search_connectbind(GR_CONNECT | GR_CONNECTOVERRIDE, sk, &sin, SOCK_DGRAM); -+ } -+} -+ -+int -+gr_search_udp_recvmsg(struct sock *sk, const struct sk_buff *skb) -+{ -+ struct sockaddr_in sin; -+ -+ if (unlikely(skb->len < sizeof (struct udphdr))) -+ return 0; // skip this packet -+ -+ sin.sin_addr.s_addr = ip_hdr(skb)->saddr; -+ sin.sin_port = udp_hdr(skb)->source; -+ -+ return gr_search_connectbind(GR_CONNECT | GR_CONNECTOVERRIDE, sk, &sin, SOCK_DGRAM); -+} -diff -urNp linux-2.6.39.3/grsecurity/gracl_learn.c linux-2.6.39.3/grsecurity/gracl_learn.c ---- linux-2.6.39.3/grsecurity/gracl_learn.c 1969-12-31 19:00:00.000000000 -0500 -+++ linux-2.6.39.3/grsecurity/gracl_learn.c 2011-07-14 21:03:00.000000000 -0400 -@@ -0,0 +1,207 @@ -+#include <linux/kernel.h> -+#include <linux/mm.h> -+#include <linux/sched.h> -+#include <linux/poll.h> -+#include <linux/string.h> -+#include <linux/file.h> -+#include <linux/types.h> -+#include <linux/vmalloc.h> -+#include <linux/grinternal.h> -+ -+extern ssize_t write_grsec_handler(struct file * file, const char __user * buf, -+ size_t count, loff_t *ppos); -+extern int gr_acl_is_enabled(void); -+ -+static DECLARE_WAIT_QUEUE_HEAD(learn_wait); -+static int gr_learn_attached; -+ -+/* use a 512k buffer */ -+#define LEARN_BUFFER_SIZE (512 * 1024) -+ -+static DEFINE_SPINLOCK(gr_learn_lock); -+static DEFINE_MUTEX(gr_learn_user_mutex); -+ -+/* we need to maintain two buffers, so that the kernel context of grlearn -+ uses a semaphore around the userspace copying, and the other kernel contexts -+ use a spinlock when copying into the buffer, since they cannot sleep -+*/ -+static char *learn_buffer; -+static char *learn_buffer_user; -+static int learn_buffer_len; -+static int learn_buffer_user_len; -+ -+static ssize_t -+read_learn(struct file *file, char __user * buf, size_t count, loff_t * ppos) -+{ -+ DECLARE_WAITQUEUE(wait, current); -+ ssize_t retval = 0; -+ -+ add_wait_queue(&learn_wait, &wait); -+ set_current_state(TASK_INTERRUPTIBLE); -+ do { -+ mutex_lock(&gr_learn_user_mutex); -+ spin_lock(&gr_learn_lock); -+ if (learn_buffer_len) -+ break; -+ spin_unlock(&gr_learn_lock); -+ mutex_unlock(&gr_learn_user_mutex); -+ if (file->f_flags & O_NONBLOCK) { -+ retval = -EAGAIN; -+ goto out; -+ } -+ if (signal_pending(current)) { -+ retval = -ERESTARTSYS; -+ goto out; -+ } -+ -+ schedule(); -+ } while (1); -+ -+ memcpy(learn_buffer_user, learn_buffer, learn_buffer_len); -+ learn_buffer_user_len = learn_buffer_len; -+ retval = learn_buffer_len; -+ learn_buffer_len = 0; -+ -+ spin_unlock(&gr_learn_lock); -+ -+ if (copy_to_user(buf, learn_buffer_user, learn_buffer_user_len)) -+ retval = -EFAULT; -+ -+ mutex_unlock(&gr_learn_user_mutex); -+out: -+ set_current_state(TASK_RUNNING); -+ remove_wait_queue(&learn_wait, &wait); -+ return retval; -+} -+ -+static unsigned int -+poll_learn(struct file * file, poll_table * wait) -+{ -+ poll_wait(file, &learn_wait, wait); -+ -+ if (learn_buffer_len) -+ return (POLLIN | POLLRDNORM); -+ -+ return 0; -+} -+ -+void -+gr_clear_learn_entries(void) -+{ -+ char *tmp; -+ -+ mutex_lock(&gr_learn_user_mutex); -+ spin_lock(&gr_learn_lock); -+ tmp = learn_buffer; -+ learn_buffer = NULL; -+ spin_unlock(&gr_learn_lock); -+ if (tmp) -+ vfree(tmp); -+ if (learn_buffer_user != NULL) { -+ vfree(learn_buffer_user); -+ learn_buffer_user = NULL; -+ } -+ learn_buffer_len = 0; -+ mutex_unlock(&gr_learn_user_mutex); -+ -+ return; -+} -+ -+void -+gr_add_learn_entry(const char *fmt, ...) -+{ -+ va_list args; -+ unsigned int len; -+ -+ if (!gr_learn_attached) -+ return; -+ -+ spin_lock(&gr_learn_lock); -+ -+ /* leave a gap at the end so we know when it's "full" but don't have to -+ compute the exact length of the string we're trying to append -+ */ -+ if (learn_buffer_len > LEARN_BUFFER_SIZE - 16384) { -+ spin_unlock(&gr_learn_lock); -+ wake_up_interruptible(&learn_wait); -+ return; -+ } -+ if (learn_buffer == NULL) { -+ spin_unlock(&gr_learn_lock); -+ return; -+ } -+ -+ va_start(args, fmt); -+ len = vsnprintf(learn_buffer + learn_buffer_len, LEARN_BUFFER_SIZE - learn_buffer_len, fmt, args); -+ va_end(args); -+ -+ learn_buffer_len += len + 1; -+ -+ spin_unlock(&gr_learn_lock); -+ wake_up_interruptible(&learn_wait); -+ -+ return; -+} -+ -+static int -+open_learn(struct inode *inode, struct file *file) -+{ -+ if (file->f_mode & FMODE_READ && gr_learn_attached) -+ return -EBUSY; -+ if (file->f_mode & FMODE_READ) { -+ int retval = 0; -+ mutex_lock(&gr_learn_user_mutex); -+ if (learn_buffer == NULL) -+ learn_buffer = vmalloc(LEARN_BUFFER_SIZE); -+ if (learn_buffer_user == NULL) -+ learn_buffer_user = vmalloc(LEARN_BUFFER_SIZE); -+ if (learn_buffer == NULL) { -+ retval = -ENOMEM; -+ goto out_error; -+ } -+ if (learn_buffer_user == NULL) { -+ retval = -ENOMEM; -+ goto out_error; -+ } -+ learn_buffer_len = 0; -+ learn_buffer_user_len = 0; -+ gr_learn_attached = 1; -+out_error: -+ mutex_unlock(&gr_learn_user_mutex); -+ return retval; -+ } -+ return 0; -+} -+ -+static int -+close_learn(struct inode *inode, struct file *file) -+{ -+ if (file->f_mode & FMODE_READ) { -+ char *tmp = NULL; -+ mutex_lock(&gr_learn_user_mutex); -+ spin_lock(&gr_learn_lock); -+ tmp = learn_buffer; -+ learn_buffer = NULL; -+ spin_unlock(&gr_learn_lock); -+ if (tmp) -+ vfree(tmp); -+ if (learn_buffer_user != NULL) { -+ vfree(learn_buffer_user); -+ learn_buffer_user = NULL; -+ } -+ learn_buffer_len = 0; -+ learn_buffer_user_len = 0; -+ gr_learn_attached = 0; -+ mutex_unlock(&gr_learn_user_mutex); -+ } -+ -+ return 0; -+} -+ -+const struct file_operations grsec_fops = { -+ .read = read_learn, -+ .write = write_grsec_handler, -+ .open = open_learn, -+ .release = close_learn, -+ .poll = poll_learn, -+}; -diff -urNp linux-2.6.39.3/grsecurity/gracl_res.c linux-2.6.39.3/grsecurity/gracl_res.c ---- linux-2.6.39.3/grsecurity/gracl_res.c 1969-12-31 19:00:00.000000000 -0500 -+++ linux-2.6.39.3/grsecurity/gracl_res.c 2011-05-22 19:41:42.000000000 -0400 -@@ -0,0 +1,68 @@ -+#include <linux/kernel.h> -+#include <linux/sched.h> -+#include <linux/gracl.h> -+#include <linux/grinternal.h> -+ -+static const char *restab_log[] = { -+ [RLIMIT_CPU] = "RLIMIT_CPU", -+ [RLIMIT_FSIZE] = "RLIMIT_FSIZE", -+ [RLIMIT_DATA] = "RLIMIT_DATA", -+ [RLIMIT_STACK] = "RLIMIT_STACK", -+ [RLIMIT_CORE] = "RLIMIT_CORE", -+ [RLIMIT_RSS] = "RLIMIT_RSS", -+ [RLIMIT_NPROC] = "RLIMIT_NPROC", -+ [RLIMIT_NOFILE] = "RLIMIT_NOFILE", -+ [RLIMIT_MEMLOCK] = "RLIMIT_MEMLOCK", -+ [RLIMIT_AS] = "RLIMIT_AS", -+ [RLIMIT_LOCKS] = "RLIMIT_LOCKS", -+ [RLIMIT_SIGPENDING] = "RLIMIT_SIGPENDING", -+ [RLIMIT_MSGQUEUE] = "RLIMIT_MSGQUEUE", -+ [RLIMIT_NICE] = "RLIMIT_NICE", -+ [RLIMIT_RTPRIO] = "RLIMIT_RTPRIO", -+ [RLIMIT_RTTIME] = "RLIMIT_RTTIME", -+ [GR_CRASH_RES] = "RLIMIT_CRASH" -+}; -+ -+void -+gr_log_resource(const struct task_struct *task, -+ const int res, const unsigned long wanted, const int gt) -+{ -+ const struct cred *cred; -+ unsigned long rlim; -+ -+ if (!gr_acl_is_enabled() && !grsec_resource_logging) -+ return; -+ -+ // not yet supported resource -+ if (unlikely(!restab_log[res])) -+ return; -+ -+ if (res == RLIMIT_CPU || res == RLIMIT_RTTIME) -+ rlim = task_rlimit_max(task, res); -+ else -+ rlim = task_rlimit(task, res); -+ -+ if (likely((rlim == RLIM_INFINITY) || (gt && wanted <= rlim) || (!gt && wanted < rlim))) -+ return; -+ -+ rcu_read_lock(); -+ cred = __task_cred(task); -+ -+ if (res == RLIMIT_NPROC && -+ (cap_raised(cred->cap_effective, CAP_SYS_ADMIN) || -+ cap_raised(cred->cap_effective, CAP_SYS_RESOURCE))) -+ goto out_rcu_unlock; -+ else if (res == RLIMIT_MEMLOCK && -+ cap_raised(cred->cap_effective, CAP_IPC_LOCK)) -+ goto out_rcu_unlock; -+ else if (res == RLIMIT_NICE && cap_raised(cred->cap_effective, CAP_SYS_NICE)) -+ goto out_rcu_unlock; -+ rcu_read_unlock(); -+ -+ gr_log_res_ulong2_str(GR_DONT_AUDIT, GR_RESOURCE_MSG, task, wanted, restab_log[res], rlim); -+ -+ return; -+out_rcu_unlock: -+ rcu_read_unlock(); -+ return; -+} -diff -urNp linux-2.6.39.3/grsecurity/gracl_segv.c linux-2.6.39.3/grsecurity/gracl_segv.c ---- linux-2.6.39.3/grsecurity/gracl_segv.c 1969-12-31 19:00:00.000000000 -0500 -+++ linux-2.6.39.3/grsecurity/gracl_segv.c 2011-05-22 22:47:39.000000000 -0400 -@@ -0,0 +1,299 @@ -+#include <linux/kernel.h> -+#include <linux/mm.h> -+#include <asm/uaccess.h> -+#include <asm/errno.h> -+#include <asm/mman.h> -+#include <net/sock.h> -+#include <linux/file.h> -+#include <linux/fs.h> -+#include <linux/net.h> -+#include <linux/in.h> -+#include <linux/slab.h> -+#include <linux/types.h> -+#include <linux/sched.h> -+#include <linux/timer.h> -+#include <linux/gracl.h> -+#include <linux/grsecurity.h> -+#include <linux/grinternal.h> -+ -+static struct crash_uid *uid_set; -+static unsigned short uid_used; -+static DEFINE_SPINLOCK(gr_uid_lock); -+extern rwlock_t gr_inode_lock; -+extern struct acl_subject_label * -+ lookup_acl_subj_label(const ino_t inode, const dev_t dev, -+ struct acl_role_label *role); -+ -+#ifdef CONFIG_BTRFS_FS -+extern dev_t get_btrfs_dev_from_inode(struct inode *inode); -+extern int btrfs_getattr(struct vfsmount *mnt, struct dentry *dentry, struct kstat *stat); -+#endif -+ -+static inline dev_t __get_dev(const struct dentry *dentry) -+{ -+#ifdef CONFIG_BTRFS_FS -+ if (dentry->d_inode->i_op && dentry->d_inode->i_op->getattr == &btrfs_getattr) -+ return get_btrfs_dev_from_inode(dentry->d_inode); -+ else -+#endif -+ return dentry->d_inode->i_sb->s_dev; -+} -+ -+int -+gr_init_uidset(void) -+{ -+ uid_set = -+ kmalloc(GR_UIDTABLE_MAX * sizeof (struct crash_uid), GFP_KERNEL); -+ uid_used = 0; -+ -+ return uid_set ? 1 : 0; -+} -+ -+void -+gr_free_uidset(void) -+{ -+ if (uid_set) -+ kfree(uid_set); -+ -+ return; -+} -+ -+int -+gr_find_uid(const uid_t uid) -+{ -+ struct crash_uid *tmp = uid_set; -+ uid_t buid; -+ int low = 0, high = uid_used - 1, mid; -+ -+ while (high >= low) { -+ mid = (low + high) >> 1; -+ buid = tmp[mid].uid; -+ if (buid == uid) -+ return mid; -+ if (buid > uid) -+ high = mid - 1; -+ if (buid < uid) -+ low = mid + 1; -+ } -+ -+ return -1; -+} -+ -+static __inline__ void -+gr_insertsort(void) -+{ -+ unsigned short i, j; -+ struct crash_uid index; -+ -+ for (i = 1; i < uid_used; i++) { -+ index = uid_set[i]; -+ j = i; -+ while ((j > 0) && uid_set[j - 1].uid > index.uid) { -+ uid_set[j] = uid_set[j - 1]; -+ j--; -+ } -+ uid_set[j] = index; -+ } -+ -+ return; -+} -+ -+static __inline__ void -+gr_insert_uid(const uid_t uid, const unsigned long expires) -+{ -+ int loc; -+ -+ if (uid_used == GR_UIDTABLE_MAX) -+ return; -+ -+ loc = gr_find_uid(uid); -+ -+ if (loc >= 0) { -+ uid_set[loc].expires = expires; -+ return; -+ } -+ -+ uid_set[uid_used].uid = uid; -+ uid_set[uid_used].expires = expires; -+ uid_used++; -+ -+ gr_insertsort(); -+ -+ return; -+} -+ -+void -+gr_remove_uid(const unsigned short loc) -+{ -+ unsigned short i; -+ -+ for (i = loc + 1; i < uid_used; i++) -+ uid_set[i - 1] = uid_set[i]; -+ -+ uid_used--; -+ -+ return; -+} -+ -+int -+gr_check_crash_uid(const uid_t uid) -+{ -+ int loc; -+ int ret = 0; -+ -+ if (unlikely(!gr_acl_is_enabled())) -+ return 0; -+ -+ spin_lock(&gr_uid_lock); -+ loc = gr_find_uid(uid); -+ -+ if (loc < 0) -+ goto out_unlock; -+ -+ if (time_before_eq(uid_set[loc].expires, get_seconds())) -+ gr_remove_uid(loc); -+ else -+ ret = 1; -+ -+out_unlock: -+ spin_unlock(&gr_uid_lock); -+ return ret; -+} -+ -+static __inline__ int -+proc_is_setxid(const struct cred *cred) -+{ -+ if (cred->uid != cred->euid || cred->uid != cred->suid || -+ cred->uid != cred->fsuid) -+ return 1; -+ if (cred->gid != cred->egid || cred->gid != cred->sgid || -+ cred->gid != cred->fsgid) -+ return 1; -+ -+ return 0; -+} -+ -+extern int gr_fake_force_sig(int sig, struct task_struct *t); -+ -+void -+gr_handle_crash(struct task_struct *task, const int sig) -+{ -+ struct acl_subject_label *curr; -+ struct acl_subject_label *curr2; -+ struct task_struct *tsk, *tsk2; -+ const struct cred *cred; -+ const struct cred *cred2; -+ -+ if (sig != SIGSEGV && sig != SIGKILL && sig != SIGBUS && sig != SIGILL) -+ return; -+ -+ if (unlikely(!gr_acl_is_enabled())) -+ return; -+ -+ curr = task->acl; -+ -+ if (!(curr->resmask & (1 << GR_CRASH_RES))) -+ return; -+ -+ if (time_before_eq(curr->expires, get_seconds())) { -+ curr->expires = 0; -+ curr->crashes = 0; -+ } -+ -+ curr->crashes++; -+ -+ if (!curr->expires) -+ curr->expires = get_seconds() + curr->res[GR_CRASH_RES].rlim_max; -+ -+ if ((curr->crashes >= curr->res[GR_CRASH_RES].rlim_cur) && -+ time_after(curr->expires, get_seconds())) { -+ rcu_read_lock(); -+ cred = __task_cred(task); -+ if (cred->uid && proc_is_setxid(cred)) { -+ gr_log_crash1(GR_DONT_AUDIT, GR_SEGVSTART_ACL_MSG, task, curr->res[GR_CRASH_RES].rlim_max); -+ spin_lock(&gr_uid_lock); -+ gr_insert_uid(cred->uid, curr->expires); -+ spin_unlock(&gr_uid_lock); -+ curr->expires = 0; -+ curr->crashes = 0; -+ read_lock(&tasklist_lock); -+ do_each_thread(tsk2, tsk) { -+ cred2 = __task_cred(tsk); -+ if (tsk != task && cred2->uid == cred->uid) -+ gr_fake_force_sig(SIGKILL, tsk); -+ } while_each_thread(tsk2, tsk); -+ read_unlock(&tasklist_lock); -+ } else { -+ gr_log_crash2(GR_DONT_AUDIT, GR_SEGVNOSUID_ACL_MSG, task, curr->res[GR_CRASH_RES].rlim_max); -+ read_lock(&tasklist_lock); -+ do_each_thread(tsk2, tsk) { -+ if (likely(tsk != task)) { -+ curr2 = tsk->acl; -+ -+ if (curr2->device == curr->device && -+ curr2->inode == curr->inode) -+ gr_fake_force_sig(SIGKILL, tsk); -+ } -+ } while_each_thread(tsk2, tsk); -+ read_unlock(&tasklist_lock); -+ } -+ rcu_read_unlock(); -+ } -+ -+ return; -+} -+ -+int -+gr_check_crash_exec(const struct file *filp) -+{ -+ struct acl_subject_label *curr; -+ -+ if (unlikely(!gr_acl_is_enabled())) -+ return 0; -+ -+ read_lock(&gr_inode_lock); -+ curr = lookup_acl_subj_label(filp->f_path.dentry->d_inode->i_ino, -+ __get_dev(filp->f_path.dentry), -+ current->role); -+ read_unlock(&gr_inode_lock); -+ -+ if (!curr || !(curr->resmask & (1 << GR_CRASH_RES)) || -+ (!curr->crashes && !curr->expires)) -+ return 0; -+ -+ if ((curr->crashes >= curr->res[GR_CRASH_RES].rlim_cur) && -+ time_after(curr->expires, get_seconds())) -+ return 1; -+ else if (time_before_eq(curr->expires, get_seconds())) { -+ curr->crashes = 0; -+ curr->expires = 0; -+ } -+ -+ return 0; -+} -+ -+void -+gr_handle_alertkill(struct task_struct *task) -+{ -+ struct acl_subject_label *curracl; -+ __u32 curr_ip; -+ struct task_struct *p, *p2; -+ -+ if (unlikely(!gr_acl_is_enabled())) -+ return; -+ -+ curracl = task->acl; -+ curr_ip = task->signal->curr_ip; -+ -+ if ((curracl->mode & GR_KILLIPPROC) && curr_ip) { -+ read_lock(&tasklist_lock); -+ do_each_thread(p2, p) { -+ if (p->signal->curr_ip == curr_ip) -+ gr_fake_force_sig(SIGKILL, p); -+ } while_each_thread(p2, p); -+ read_unlock(&tasklist_lock); -+ } else if (curracl->mode & GR_KILLPROC) -+ gr_fake_force_sig(SIGKILL, task); -+ -+ return; -+} -diff -urNp linux-2.6.39.3/grsecurity/gracl_shm.c linux-2.6.39.3/grsecurity/gracl_shm.c ---- linux-2.6.39.3/grsecurity/gracl_shm.c 1969-12-31 19:00:00.000000000 -0500 -+++ linux-2.6.39.3/grsecurity/gracl_shm.c 2011-05-22 19:41:42.000000000 -0400 -@@ -0,0 +1,40 @@ -+#include <linux/kernel.h> -+#include <linux/mm.h> -+#include <linux/sched.h> -+#include <linux/file.h> -+#include <linux/ipc.h> -+#include <linux/gracl.h> -+#include <linux/grsecurity.h> -+#include <linux/grinternal.h> -+ -+int -+gr_handle_shmat(const pid_t shm_cprid, const pid_t shm_lapid, -+ const time_t shm_createtime, const uid_t cuid, const int shmid) -+{ -+ struct task_struct *task; -+ -+ if (!gr_acl_is_enabled()) -+ return 1; -+ -+ rcu_read_lock(); -+ read_lock(&tasklist_lock); -+ -+ task = find_task_by_vpid(shm_cprid); -+ -+ if (unlikely(!task)) -+ task = find_task_by_vpid(shm_lapid); -+ -+ if (unlikely(task && (time_before_eq((unsigned long)task->start_time.tv_sec, (unsigned long)shm_createtime) || -+ (task->pid == shm_lapid)) && -+ (task->acl->mode & GR_PROTSHM) && -+ (task->acl != current->acl))) { -+ read_unlock(&tasklist_lock); -+ rcu_read_unlock(); -+ gr_log_int3(GR_DONT_AUDIT, GR_SHMAT_ACL_MSG, cuid, shm_cprid, shmid); -+ return 0; -+ } -+ read_unlock(&tasklist_lock); -+ rcu_read_unlock(); -+ -+ return 1; -+} -diff -urNp linux-2.6.39.3/grsecurity/grsec_chdir.c linux-2.6.39.3/grsecurity/grsec_chdir.c ---- linux-2.6.39.3/grsecurity/grsec_chdir.c 1969-12-31 19:00:00.000000000 -0500 -+++ linux-2.6.39.3/grsecurity/grsec_chdir.c 2011-05-22 19:41:42.000000000 -0400 -@@ -0,0 +1,19 @@ -+#include <linux/kernel.h> -+#include <linux/sched.h> -+#include <linux/fs.h> -+#include <linux/file.h> -+#include <linux/grsecurity.h> -+#include <linux/grinternal.h> -+ -+void -+gr_log_chdir(const struct dentry *dentry, const struct vfsmount *mnt) -+{ -+#ifdef CONFIG_GRKERNSEC_AUDIT_CHDIR -+ if ((grsec_enable_chdir && grsec_enable_group && -+ in_group_p(grsec_audit_gid)) || (grsec_enable_chdir && -+ !grsec_enable_group)) { -+ gr_log_fs_generic(GR_DO_AUDIT, GR_CHDIR_AUDIT_MSG, dentry, mnt); -+ } -+#endif -+ return; -+} -diff -urNp linux-2.6.39.3/grsecurity/grsec_chroot.c linux-2.6.39.3/grsecurity/grsec_chroot.c ---- linux-2.6.39.3/grsecurity/grsec_chroot.c 1969-12-31 19:00:00.000000000 -0500 -+++ linux-2.6.39.3/grsecurity/grsec_chroot.c 2011-07-18 17:20:05.000000000 -0400 -@@ -0,0 +1,349 @@ -+#include <linux/kernel.h> -+#include <linux/module.h> -+#include <linux/sched.h> -+#include <linux/file.h> -+#include <linux/fs.h> -+#include <linux/mount.h> -+#include <linux/types.h> -+#include <linux/pid_namespace.h> -+#include <linux/grsecurity.h> -+#include <linux/grinternal.h> -+ -+void gr_set_chroot_entries(struct task_struct *task, struct path *path) -+{ -+#ifdef CONFIG_GRKERNSEC -+ if (task->pid > 1 && path->dentry != init_task.fs->root.dentry && -+ path->dentry != task->nsproxy->mnt_ns->root->mnt_root) -+ task->gr_is_chrooted = 1; -+ else -+ task->gr_is_chrooted = 0; -+ -+ task->gr_chroot_dentry = path->dentry; -+#endif -+ return; -+} -+ -+void gr_clear_chroot_entries(struct task_struct *task) -+{ -+#ifdef CONFIG_GRKERNSEC -+ task->gr_is_chrooted = 0; -+ task->gr_chroot_dentry = NULL; -+#endif -+ return; -+} -+ -+int -+gr_handle_chroot_unix(const pid_t pid) -+{ -+#ifdef CONFIG_GRKERNSEC_CHROOT_UNIX -+ struct task_struct *p; -+ -+ if (unlikely(!grsec_enable_chroot_unix)) -+ return 1; -+ -+ if (likely(!proc_is_chrooted(current))) -+ return 1; -+ -+ rcu_read_lock(); -+ read_lock(&tasklist_lock); -+ p = find_task_by_vpid_unrestricted(pid); -+ if (unlikely(p && !have_same_root(current, p))) { -+ read_unlock(&tasklist_lock); -+ rcu_read_unlock(); -+ gr_log_noargs(GR_DONT_AUDIT, GR_UNIX_CHROOT_MSG); -+ return 0; -+ } -+ read_unlock(&tasklist_lock); -+ rcu_read_unlock(); -+#endif -+ return 1; -+} -+ -+int -+gr_handle_chroot_nice(void) -+{ -+#ifdef CONFIG_GRKERNSEC_CHROOT_NICE -+ if (grsec_enable_chroot_nice && proc_is_chrooted(current)) { -+ gr_log_noargs(GR_DONT_AUDIT, GR_NICE_CHROOT_MSG); -+ return -EPERM; -+ } -+#endif -+ return 0; -+} -+ -+int -+gr_handle_chroot_setpriority(struct task_struct *p, const int niceval) -+{ -+#ifdef CONFIG_GRKERNSEC_CHROOT_NICE -+ if (grsec_enable_chroot_nice && (niceval < task_nice(p)) -+ && proc_is_chrooted(current)) { -+ gr_log_str_int(GR_DONT_AUDIT, GR_PRIORITY_CHROOT_MSG, p->comm, p->pid); -+ return -EACCES; -+ } -+#endif -+ return 0; -+} -+ -+int -+gr_handle_chroot_rawio(const struct inode *inode) -+{ -+#ifdef CONFIG_GRKERNSEC_CHROOT_CAPS -+ if (grsec_enable_chroot_caps && proc_is_chrooted(current) && -+ inode && S_ISBLK(inode->i_mode) && !capable(CAP_SYS_RAWIO)) -+ return 1; -+#endif -+ return 0; -+} -+ -+int -+gr_handle_chroot_fowner(struct pid *pid, enum pid_type type) -+{ -+#ifdef CONFIG_GRKERNSEC_CHROOT_FINDTASK -+ struct task_struct *p; -+ int ret = 0; -+ if (!grsec_enable_chroot_findtask || !proc_is_chrooted(current) || !pid) -+ return ret; -+ -+ read_lock(&tasklist_lock); -+ do_each_pid_task(pid, type, p) { -+ if (!have_same_root(current, p)) { -+ ret = 1; -+ goto out; -+ } -+ } while_each_pid_task(pid, type, p); -+out: -+ read_unlock(&tasklist_lock); -+ return ret; -+#endif -+ return 0; -+} -+ -+int -+gr_pid_is_chrooted(struct task_struct *p) -+{ -+#ifdef CONFIG_GRKERNSEC_CHROOT_FINDTASK -+ if (!grsec_enable_chroot_findtask || !proc_is_chrooted(current) || p == NULL) -+ return 0; -+ -+ if ((p->exit_state & (EXIT_ZOMBIE | EXIT_DEAD)) || -+ !have_same_root(current, p)) { -+ return 1; -+ } -+#endif -+ return 0; -+} -+ -+EXPORT_SYMBOL(gr_pid_is_chrooted); -+ -+#if defined(CONFIG_GRKERNSEC_CHROOT_DOUBLE) || defined(CONFIG_GRKERNSEC_CHROOT_FCHDIR) -+int gr_is_outside_chroot(const struct dentry *u_dentry, const struct vfsmount *u_mnt) -+{ -+ struct path path, currentroot; -+ int ret = 0; -+ -+ path.dentry = (struct dentry *)u_dentry; -+ path.mnt = (struct vfsmount *)u_mnt; -+ get_fs_root(current->fs, ¤troot); -+ if (path_is_under(&path, ¤troot)) -+ ret = 1; -+ path_put(¤troot); -+ -+ return ret; -+} -+#endif -+ -+int -+gr_chroot_fchdir(struct dentry *u_dentry, struct vfsmount *u_mnt) -+{ -+#ifdef CONFIG_GRKERNSEC_CHROOT_FCHDIR -+ if (!grsec_enable_chroot_fchdir) -+ return 1; -+ -+ if (!proc_is_chrooted(current)) -+ return 1; -+ else if (!gr_is_outside_chroot(u_dentry, u_mnt)) { -+ gr_log_fs_generic(GR_DONT_AUDIT, GR_CHROOT_FCHDIR_MSG, u_dentry, u_mnt); -+ return 0; -+ } -+#endif -+ return 1; -+} -+ -+int -+gr_chroot_shmat(const pid_t shm_cprid, const pid_t shm_lapid, -+ const time_t shm_createtime) -+{ -+#ifdef CONFIG_GRKERNSEC_CHROOT_SHMAT -+ struct task_struct *p; -+ time_t starttime; -+ -+ if (unlikely(!grsec_enable_chroot_shmat)) -+ return 1; -+ -+ if (likely(!proc_is_chrooted(current))) -+ return 1; -+ -+ rcu_read_lock(); -+ read_lock(&tasklist_lock); -+ -+ if ((p = find_task_by_vpid_unrestricted(shm_cprid))) { -+ starttime = p->start_time.tv_sec; -+ if (time_before_eq((unsigned long)starttime, (unsigned long)shm_createtime)) { -+ if (have_same_root(current, p)) { -+ goto allow; -+ } else { -+ read_unlock(&tasklist_lock); -+ rcu_read_unlock(); -+ gr_log_noargs(GR_DONT_AUDIT, GR_SHMAT_CHROOT_MSG); -+ return 0; -+ } -+ } -+ /* creator exited, pid reuse, fall through to next check */ -+ } -+ if ((p = find_task_by_vpid_unrestricted(shm_lapid))) { -+ if (unlikely(!have_same_root(current, p))) { -+ read_unlock(&tasklist_lock); -+ rcu_read_unlock(); -+ gr_log_noargs(GR_DONT_AUDIT, GR_SHMAT_CHROOT_MSG); -+ return 0; -+ } -+ } -+ -+allow: -+ read_unlock(&tasklist_lock); -+ rcu_read_unlock(); -+#endif -+ return 1; -+} -+ -+void -+gr_log_chroot_exec(const struct dentry *dentry, const struct vfsmount *mnt) -+{ -+#ifdef CONFIG_GRKERNSEC_CHROOT_EXECLOG -+ if (grsec_enable_chroot_execlog && proc_is_chrooted(current)) -+ gr_log_fs_generic(GR_DO_AUDIT, GR_EXEC_CHROOT_MSG, dentry, mnt); -+#endif -+ return; -+} -+ -+int -+gr_handle_chroot_mknod(const struct dentry *dentry, -+ const struct vfsmount *mnt, const int mode) -+{ -+#ifdef CONFIG_GRKERNSEC_CHROOT_MKNOD -+ if (grsec_enable_chroot_mknod && !S_ISFIFO(mode) && !S_ISREG(mode) && -+ proc_is_chrooted(current)) { -+ gr_log_fs_generic(GR_DONT_AUDIT, GR_MKNOD_CHROOT_MSG, dentry, mnt); -+ return -EPERM; -+ } -+#endif -+ return 0; -+} -+ -+int -+gr_handle_chroot_mount(const struct dentry *dentry, -+ const struct vfsmount *mnt, const char *dev_name) -+{ -+#ifdef CONFIG_GRKERNSEC_CHROOT_MOUNT -+ if (grsec_enable_chroot_mount && proc_is_chrooted(current)) { -+ gr_log_str_fs(GR_DONT_AUDIT, GR_MOUNT_CHROOT_MSG, dev_name ? dev_name : "none", dentry, mnt); -+ return -EPERM; -+ } -+#endif -+ return 0; -+} -+ -+int -+gr_handle_chroot_pivot(void) -+{ -+#ifdef CONFIG_GRKERNSEC_CHROOT_PIVOT -+ if (grsec_enable_chroot_pivot && proc_is_chrooted(current)) { -+ gr_log_noargs(GR_DONT_AUDIT, GR_PIVOT_CHROOT_MSG); -+ return -EPERM; -+ } -+#endif -+ return 0; -+} -+ -+int -+gr_handle_chroot_chroot(const struct dentry *dentry, const struct vfsmount *mnt) -+{ -+#ifdef CONFIG_GRKERNSEC_CHROOT_DOUBLE -+ if (grsec_enable_chroot_double && proc_is_chrooted(current) && -+ !gr_is_outside_chroot(dentry, mnt)) { -+ gr_log_fs_generic(GR_DONT_AUDIT, GR_CHROOT_CHROOT_MSG, dentry, mnt); -+ return -EPERM; -+ } -+#endif -+ return 0; -+} -+ -+int -+gr_handle_chroot_caps(struct path *path) -+{ -+#ifdef CONFIG_GRKERNSEC_CHROOT_CAPS -+ if (grsec_enable_chroot_caps && current->pid > 1 && current->fs != NULL && -+ (init_task.fs->root.dentry != path->dentry) && -+ (current->nsproxy->mnt_ns->root->mnt_root != path->dentry)) { -+ -+ kernel_cap_t chroot_caps = GR_CHROOT_CAPS; -+ const struct cred *old = current_cred(); -+ struct cred *new = prepare_creds(); -+ if (new == NULL) -+ return 1; -+ -+ new->cap_permitted = cap_drop(old->cap_permitted, -+ chroot_caps); -+ new->cap_inheritable = cap_drop(old->cap_inheritable, -+ chroot_caps); -+ new->cap_effective = cap_drop(old->cap_effective, -+ chroot_caps); -+ -+ commit_creds(new); -+ -+ return 0; -+ } -+#endif -+ return 0; -+} -+ -+int -+gr_handle_chroot_sysctl(const int op) -+{ -+#ifdef CONFIG_GRKERNSEC_CHROOT_SYSCTL -+ if (grsec_enable_chroot_sysctl && (op & MAY_WRITE) && -+ proc_is_chrooted(current)) -+ return -EACCES; -+#endif -+ return 0; -+} -+ -+void -+gr_handle_chroot_chdir(struct path *path) -+{ -+#ifdef CONFIG_GRKERNSEC_CHROOT_CHDIR -+ if (grsec_enable_chroot_chdir) -+ set_fs_pwd(current->fs, path); -+#endif -+ return; -+} -+ -+int -+gr_handle_chroot_chmod(const struct dentry *dentry, -+ const struct vfsmount *mnt, const int mode) -+{ -+#ifdef CONFIG_GRKERNSEC_CHROOT_CHMOD -+ /* allow chmod +s on directories, but not files */ -+ if (grsec_enable_chroot_chmod && !S_ISDIR(dentry->d_inode->i_mode) && -+ ((mode & S_ISUID) || ((mode & (S_ISGID | S_IXGRP)) == (S_ISGID | S_IXGRP))) && -+ proc_is_chrooted(current)) { -+ gr_log_fs_generic(GR_DONT_AUDIT, GR_CHMOD_CHROOT_MSG, dentry, mnt); -+ return -EPERM; -+ } -+#endif -+ return 0; -+} -+ -+#ifdef CONFIG_SECURITY -+EXPORT_SYMBOL(gr_handle_chroot_caps); -+#endif -diff -urNp linux-2.6.39.3/grsecurity/grsec_disabled.c linux-2.6.39.3/grsecurity/grsec_disabled.c ---- linux-2.6.39.3/grsecurity/grsec_disabled.c 1969-12-31 19:00:00.000000000 -0500 -+++ linux-2.6.39.3/grsecurity/grsec_disabled.c 2011-05-22 19:41:42.000000000 -0400 -@@ -0,0 +1,447 @@ -+#include <linux/kernel.h> -+#include <linux/module.h> -+#include <linux/sched.h> -+#include <linux/file.h> -+#include <linux/fs.h> -+#include <linux/kdev_t.h> -+#include <linux/net.h> -+#include <linux/in.h> -+#include <linux/ip.h> -+#include <linux/skbuff.h> -+#include <linux/sysctl.h> -+ -+#ifdef CONFIG_PAX_HAVE_ACL_FLAGS -+void -+pax_set_initial_flags(struct linux_binprm *bprm) -+{ -+ return; -+} -+#endif -+ -+#ifdef CONFIG_SYSCTL -+__u32 -+gr_handle_sysctl(const struct ctl_table * table, const int op) -+{ -+ return 0; -+} -+#endif -+ -+#ifdef CONFIG_TASKSTATS -+int gr_is_taskstats_denied(int pid) -+{ -+ return 0; -+} -+#endif -+ -+int -+gr_acl_is_enabled(void) -+{ -+ return 0; -+} -+ -+int -+gr_handle_rawio(const struct inode *inode) -+{ -+ return 0; -+} -+ -+void -+gr_acl_handle_psacct(struct task_struct *task, const long code) -+{ -+ return; -+} -+ -+int -+gr_handle_ptrace(struct task_struct *task, const long request) -+{ -+ return 0; -+} -+ -+int -+gr_handle_proc_ptrace(struct task_struct *task) -+{ -+ return 0; -+} -+ -+void -+gr_learn_resource(const struct task_struct *task, -+ const int res, const unsigned long wanted, const int gt) -+{ -+ return; -+} -+ -+int -+gr_set_acls(const int type) -+{ -+ return 0; -+} -+ -+int -+gr_check_hidden_task(const struct task_struct *tsk) -+{ -+ return 0; -+} -+ -+int -+gr_check_protected_task(const struct task_struct *task) -+{ -+ return 0; -+} -+ -+int -+gr_check_protected_task_fowner(struct pid *pid, enum pid_type type) -+{ -+ return 0; -+} -+ -+void -+gr_copy_label(struct task_struct *tsk) -+{ -+ return; -+} -+ -+void -+gr_set_pax_flags(struct task_struct *task) -+{ -+ return; -+} -+ -+int -+gr_set_proc_label(const struct dentry *dentry, const struct vfsmount *mnt, -+ const int unsafe_share) -+{ -+ return 0; -+} -+ -+void -+gr_handle_delete(const ino_t ino, const dev_t dev) -+{ -+ return; -+} -+ -+void -+gr_handle_create(const struct dentry *dentry, const struct vfsmount *mnt) -+{ -+ return; -+} -+ -+void -+gr_handle_crash(struct task_struct *task, const int sig) -+{ -+ return; -+} -+ -+int -+gr_check_crash_exec(const struct file *filp) -+{ -+ return 0; -+} -+ -+int -+gr_check_crash_uid(const uid_t uid) -+{ -+ return 0; -+} -+ -+void -+gr_handle_rename(struct inode *old_dir, struct inode *new_dir, -+ struct dentry *old_dentry, -+ struct dentry *new_dentry, -+ struct vfsmount *mnt, const __u8 replace) -+{ -+ return; -+} -+ -+int -+gr_search_socket(const int family, const int type, const int protocol) -+{ -+ return 1; -+} -+ -+int -+gr_search_connectbind(const int mode, const struct socket *sock, -+ const struct sockaddr_in *addr) -+{ -+ return 0; -+} -+ -+int -+gr_is_capable(const int cap) -+{ -+ return 1; -+} -+ -+int -+gr_is_capable_nolog(const int cap) -+{ -+ return 1; -+} -+ -+void -+gr_handle_alertkill(struct task_struct *task) -+{ -+ return; -+} -+ -+__u32 -+gr_acl_handle_execve(const struct dentry * dentry, const struct vfsmount * mnt) -+{ -+ return 1; -+} -+ -+__u32 -+gr_acl_handle_hidden_file(const struct dentry * dentry, -+ const struct vfsmount * mnt) -+{ -+ return 1; -+} -+ -+__u32 -+gr_acl_handle_open(const struct dentry * dentry, const struct vfsmount * mnt, -+ const int fmode) -+{ -+ return 1; -+} -+ -+__u32 -+gr_acl_handle_rmdir(const struct dentry * dentry, const struct vfsmount * mnt) -+{ -+ return 1; -+} -+ -+__u32 -+gr_acl_handle_unlink(const struct dentry * dentry, const struct vfsmount * mnt) -+{ -+ return 1; -+} -+ -+int -+gr_acl_handle_mmap(const struct file *file, const unsigned long prot, -+ unsigned int *vm_flags) -+{ -+ return 1; -+} -+ -+__u32 -+gr_acl_handle_truncate(const struct dentry * dentry, -+ const struct vfsmount * mnt) -+{ -+ return 1; -+} -+ -+__u32 -+gr_acl_handle_utime(const struct dentry * dentry, const struct vfsmount * mnt) -+{ -+ return 1; -+} -+ -+__u32 -+gr_acl_handle_access(const struct dentry * dentry, -+ const struct vfsmount * mnt, const int fmode) -+{ -+ return 1; -+} -+ -+__u32 -+gr_acl_handle_fchmod(const struct dentry * dentry, const struct vfsmount * mnt, -+ mode_t mode) -+{ -+ return 1; -+} -+ -+__u32 -+gr_acl_handle_chmod(const struct dentry * dentry, const struct vfsmount * mnt, -+ mode_t mode) -+{ -+ return 1; -+} -+ -+__u32 -+gr_acl_handle_chown(const struct dentry * dentry, const struct vfsmount * mnt) -+{ -+ return 1; -+} -+ -+__u32 -+gr_acl_handle_setxattr(const struct dentry * dentry, const struct vfsmount * mnt) -+{ -+ return 1; -+} -+ -+void -+grsecurity_init(void) -+{ -+ return; -+} -+ -+__u32 -+gr_acl_handle_mknod(const struct dentry * new_dentry, -+ const struct dentry * parent_dentry, -+ const struct vfsmount * parent_mnt, -+ const int mode) -+{ -+ return 1; -+} -+ -+__u32 -+gr_acl_handle_mkdir(const struct dentry * new_dentry, -+ const struct dentry * parent_dentry, -+ const struct vfsmount * parent_mnt) -+{ -+ return 1; -+} -+ -+__u32 -+gr_acl_handle_symlink(const struct dentry * new_dentry, -+ const struct dentry * parent_dentry, -+ const struct vfsmount * parent_mnt, const char *from) -+{ -+ return 1; -+} -+ -+__u32 -+gr_acl_handle_link(const struct dentry * new_dentry, -+ const struct dentry * parent_dentry, -+ const struct vfsmount * parent_mnt, -+ const struct dentry * old_dentry, -+ const struct vfsmount * old_mnt, const char *to) -+{ -+ return 1; -+} -+ -+int -+gr_acl_handle_rename(const struct dentry *new_dentry, -+ const struct dentry *parent_dentry, -+ const struct vfsmount *parent_mnt, -+ const struct dentry *old_dentry, -+ const struct inode *old_parent_inode, -+ const struct vfsmount *old_mnt, const char *newname) -+{ -+ return 0; -+} -+ -+int -+gr_acl_handle_filldir(const struct file *file, const char *name, -+ const int namelen, const ino_t ino) -+{ -+ return 1; -+} -+ -+int -+gr_handle_shmat(const pid_t shm_cprid, const pid_t shm_lapid, -+ const time_t shm_createtime, const uid_t cuid, const int shmid) -+{ -+ return 1; -+} -+ -+int -+gr_search_bind(const struct socket *sock, const struct sockaddr_in *addr) -+{ -+ return 0; -+} -+ -+int -+gr_search_accept(const struct socket *sock) -+{ -+ return 0; -+} -+ -+int -+gr_search_listen(const struct socket *sock) -+{ -+ return 0; -+} -+ -+int -+gr_search_connect(const struct socket *sock, const struct sockaddr_in *addr) -+{ -+ return 0; -+} -+ -+__u32 -+gr_acl_handle_unix(const struct dentry * dentry, const struct vfsmount * mnt) -+{ -+ return 1; -+} -+ -+__u32 -+gr_acl_handle_creat(const struct dentry * dentry, -+ const struct dentry * p_dentry, -+ const struct vfsmount * p_mnt, const int fmode, -+ const int imode) -+{ -+ return 1; -+} -+ -+void -+gr_acl_handle_exit(void) -+{ -+ return; -+} -+ -+int -+gr_acl_handle_mprotect(const struct file *file, const unsigned long prot) -+{ -+ return 1; -+} -+ -+void -+gr_set_role_label(const uid_t uid, const gid_t gid) -+{ -+ return; -+} -+ -+int -+gr_acl_handle_procpidmem(const struct task_struct *task) -+{ -+ return 0; -+} -+ -+int -+gr_search_udp_recvmsg(const struct sock *sk, const struct sk_buff *skb) -+{ -+ return 0; -+} -+ -+int -+gr_search_udp_sendmsg(const struct sock *sk, const struct sockaddr_in *addr) -+{ -+ return 0; -+} -+ -+void -+gr_set_kernel_label(struct task_struct *task) -+{ -+ return; -+} -+ -+int -+gr_check_user_change(int real, int effective, int fs) -+{ -+ return 0; -+} -+ -+int -+gr_check_group_change(int real, int effective, int fs) -+{ -+ return 0; -+} -+ -+int gr_acl_enable_at_secure(void) -+{ -+ return 0; -+} -+ -+dev_t gr_get_dev_from_dentry(struct dentry *dentry) -+{ -+ return dentry->d_inode->i_sb->s_dev; -+} -+ -+EXPORT_SYMBOL(gr_is_capable); -+EXPORT_SYMBOL(gr_is_capable_nolog); -+EXPORT_SYMBOL(gr_learn_resource); -+EXPORT_SYMBOL(gr_set_kernel_label); -+#ifdef CONFIG_SECURITY -+EXPORT_SYMBOL(gr_check_user_change); -+EXPORT_SYMBOL(gr_check_group_change); -+#endif -diff -urNp linux-2.6.39.3/grsecurity/grsec_exec.c linux-2.6.39.3/grsecurity/grsec_exec.c ---- linux-2.6.39.3/grsecurity/grsec_exec.c 1969-12-31 19:00:00.000000000 -0500 -+++ linux-2.6.39.3/grsecurity/grsec_exec.c 2011-05-22 22:41:29.000000000 -0400 -@@ -0,0 +1,146 @@ -+#include <linux/kernel.h> -+#include <linux/sched.h> -+#include <linux/file.h> -+#include <linux/binfmts.h> -+#include <linux/fs.h> -+#include <linux/types.h> -+#include <linux/grdefs.h> -+#include <linux/grinternal.h> -+#include <linux/capability.h> -+#include <linux/compat.h> -+ -+#include <asm/uaccess.h> -+ -+#ifdef CONFIG_GRKERNSEC_EXECLOG -+static char gr_exec_arg_buf[132]; -+static DEFINE_MUTEX(gr_exec_arg_mutex); -+#endif -+ -+int -+gr_handle_nproc(void) -+{ -+#ifdef CONFIG_GRKERNSEC_EXECVE -+ const struct cred *cred = current_cred(); -+ if (grsec_enable_execve && cred->user && -+ (atomic_read(&cred->user->processes) > rlimit(RLIMIT_NPROC)) && -+ !capable(CAP_SYS_ADMIN) && !capable(CAP_SYS_RESOURCE)) { -+ gr_log_noargs(GR_DONT_AUDIT, GR_NPROC_MSG); -+ return -EAGAIN; -+ } -+#endif -+ return 0; -+} -+ -+void -+gr_handle_exec_args(struct linux_binprm *bprm, const char __user *const __user *argv) -+{ -+#ifdef CONFIG_GRKERNSEC_EXECLOG -+ char *grarg = gr_exec_arg_buf; -+ unsigned int i, x, execlen = 0; -+ char c; -+ -+ if (!((grsec_enable_execlog && grsec_enable_group && -+ in_group_p(grsec_audit_gid)) -+ || (grsec_enable_execlog && !grsec_enable_group))) -+ return; -+ -+ mutex_lock(&gr_exec_arg_mutex); -+ memset(grarg, 0, sizeof(gr_exec_arg_buf)); -+ -+ if (unlikely(argv == NULL)) -+ goto log; -+ -+ for (i = 0; i < bprm->argc && execlen < 128; i++) { -+ const char __user *p; -+ unsigned int len; -+ -+ if (copy_from_user(&p, argv + i, sizeof(p))) -+ goto log; -+ if (!p) -+ goto log; -+ len = strnlen_user(p, 128 - execlen); -+ if (len > 128 - execlen) -+ len = 128 - execlen; -+ else if (len > 0) -+ len--; -+ if (copy_from_user(grarg + execlen, p, len)) -+ goto log; -+ -+ /* rewrite unprintable characters */ -+ for (x = 0; x < len; x++) { -+ c = *(grarg + execlen + x); -+ if (c < 32 || c > 126) -+ *(grarg + execlen + x) = ' '; -+ } -+ -+ execlen += len; -+ *(grarg + execlen) = ' '; -+ *(grarg + execlen + 1) = '\0'; -+ execlen++; -+ } -+ -+ log: -+ gr_log_fs_str(GR_DO_AUDIT, GR_EXEC_AUDIT_MSG, bprm->file->f_path.dentry, -+ bprm->file->f_path.mnt, grarg); -+ mutex_unlock(&gr_exec_arg_mutex); -+#endif -+ return; -+} -+ -+#ifdef CONFIG_COMPAT -+void -+gr_handle_exec_args_compat(struct linux_binprm *bprm, compat_uptr_t __user *argv) -+{ -+#ifdef CONFIG_GRKERNSEC_EXECLOG -+ char *grarg = gr_exec_arg_buf; -+ unsigned int i, x, execlen = 0; -+ char c; -+ -+ if (!((grsec_enable_execlog && grsec_enable_group && -+ in_group_p(grsec_audit_gid)) -+ || (grsec_enable_execlog && !grsec_enable_group))) -+ return; -+ -+ mutex_lock(&gr_exec_arg_mutex); -+ memset(grarg, 0, sizeof(gr_exec_arg_buf)); -+ -+ if (unlikely(argv == NULL)) -+ goto log; -+ -+ for (i = 0; i < bprm->argc && execlen < 128; i++) { -+ compat_uptr_t p; -+ unsigned int len; -+ -+ if (get_user(p, argv + i)) -+ goto log; -+ len = strnlen_user(compat_ptr(p), 128 - execlen); -+ if (len > 128 - execlen) -+ len = 128 - execlen; -+ else if (len > 0) -+ len--; -+ else -+ goto log; -+ if (copy_from_user(grarg + execlen, compat_ptr(p), len)) -+ goto log; -+ -+ /* rewrite unprintable characters */ -+ for (x = 0; x < len; x++) { -+ c = *(grarg + execlen + x); -+ if (c < 32 || c > 126) -+ *(grarg + execlen + x) = ' '; -+ } -+ -+ execlen += len; -+ *(grarg + execlen) = ' '; -+ *(grarg + execlen + 1) = '\0'; -+ execlen++; -+ } -+ -+ log: -+ gr_log_fs_str(GR_DO_AUDIT, GR_EXEC_AUDIT_MSG, bprm->file->f_path.dentry, -+ bprm->file->f_path.mnt, grarg); -+ mutex_unlock(&gr_exec_arg_mutex); -+#endif -+ return; -+} -+#endif -diff -urNp linux-2.6.39.3/grsecurity/grsec_fifo.c linux-2.6.39.3/grsecurity/grsec_fifo.c ---- linux-2.6.39.3/grsecurity/grsec_fifo.c 1969-12-31 19:00:00.000000000 -0500 -+++ linux-2.6.39.3/grsecurity/grsec_fifo.c 2011-05-22 19:41:42.000000000 -0400 -@@ -0,0 +1,24 @@ -+#include <linux/kernel.h> -+#include <linux/sched.h> -+#include <linux/fs.h> -+#include <linux/file.h> -+#include <linux/grinternal.h> -+ -+int -+gr_handle_fifo(const struct dentry *dentry, const struct vfsmount *mnt, -+ const struct dentry *dir, const int flag, const int acc_mode) -+{ -+#ifdef CONFIG_GRKERNSEC_FIFO -+ const struct cred *cred = current_cred(); -+ -+ if (grsec_enable_fifo && S_ISFIFO(dentry->d_inode->i_mode) && -+ !(flag & O_EXCL) && (dir->d_inode->i_mode & S_ISVTX) && -+ (dentry->d_inode->i_uid != dir->d_inode->i_uid) && -+ (cred->fsuid != dentry->d_inode->i_uid)) { -+ if (!inode_permission(dentry->d_inode, acc_mode)) -+ gr_log_fs_int2(GR_DONT_AUDIT, GR_FIFO_MSG, dentry, mnt, dentry->d_inode->i_uid, dentry->d_inode->i_gid); -+ return -EACCES; -+ } -+#endif -+ return 0; -+} -diff -urNp linux-2.6.39.3/grsecurity/grsec_fork.c linux-2.6.39.3/grsecurity/grsec_fork.c ---- linux-2.6.39.3/grsecurity/grsec_fork.c 1969-12-31 19:00:00.000000000 -0500 -+++ linux-2.6.39.3/grsecurity/grsec_fork.c 2011-05-22 19:41:42.000000000 -0400 -@@ -0,0 +1,23 @@ -+#include <linux/kernel.h> -+#include <linux/sched.h> -+#include <linux/grsecurity.h> -+#include <linux/grinternal.h> -+#include <linux/errno.h> -+ -+void -+gr_log_forkfail(const int retval) -+{ -+#ifdef CONFIG_GRKERNSEC_FORKFAIL -+ if (grsec_enable_forkfail && (retval == -EAGAIN || retval == -ENOMEM)) { -+ switch (retval) { -+ case -EAGAIN: -+ gr_log_str(GR_DONT_AUDIT, GR_FAILFORK_MSG, "EAGAIN"); -+ break; -+ case -ENOMEM: -+ gr_log_str(GR_DONT_AUDIT, GR_FAILFORK_MSG, "ENOMEM"); -+ break; -+ } -+ } -+#endif -+ return; -+} -diff -urNp linux-2.6.39.3/grsecurity/grsec_init.c linux-2.6.39.3/grsecurity/grsec_init.c ---- linux-2.6.39.3/grsecurity/grsec_init.c 1969-12-31 19:00:00.000000000 -0500 -+++ linux-2.6.39.3/grsecurity/grsec_init.c 2011-06-29 19:35:59.000000000 -0400 -@@ -0,0 +1,273 @@ -+#include <linux/kernel.h> -+#include <linux/sched.h> -+#include <linux/mm.h> -+#include <linux/gracl.h> -+#include <linux/slab.h> -+#include <linux/vmalloc.h> -+#include <linux/percpu.h> -+#include <linux/module.h> -+ -+int grsec_enable_brute; -+int grsec_enable_link; -+int grsec_enable_dmesg; -+int grsec_enable_harden_ptrace; -+int grsec_enable_fifo; -+int grsec_enable_execve; -+int grsec_enable_execlog; -+int grsec_enable_signal; -+int grsec_enable_forkfail; -+int grsec_enable_audit_ptrace; -+int grsec_enable_time; -+int grsec_enable_audit_textrel; -+int grsec_enable_group; -+int grsec_audit_gid; -+int grsec_enable_chdir; -+int grsec_enable_mount; -+int grsec_enable_rofs; -+int grsec_enable_chroot_findtask; -+int grsec_enable_chroot_mount; -+int grsec_enable_chroot_shmat; -+int grsec_enable_chroot_fchdir; -+int grsec_enable_chroot_double; -+int grsec_enable_chroot_pivot; -+int grsec_enable_chroot_chdir; -+int grsec_enable_chroot_chmod; -+int grsec_enable_chroot_mknod; -+int grsec_enable_chroot_nice; -+int grsec_enable_chroot_execlog; -+int grsec_enable_chroot_caps; -+int grsec_enable_chroot_sysctl; -+int grsec_enable_chroot_unix; -+int grsec_enable_tpe; -+int grsec_tpe_gid; -+int grsec_enable_blackhole; -+#ifdef CONFIG_IPV6_MODULE -+EXPORT_SYMBOL(grsec_enable_blackhole); -+#endif -+int grsec_lastack_retries; -+int grsec_enable_tpe_all; -+int grsec_enable_tpe_invert; -+int grsec_enable_socket_all; -+int grsec_socket_all_gid; -+int grsec_enable_socket_client; -+int grsec_socket_client_gid; -+int grsec_enable_socket_server; -+int grsec_socket_server_gid; -+int grsec_resource_logging; -+int grsec_disable_privio; -+int grsec_enable_log_rwxmaps; -+int grsec_lock; -+ -+DEFINE_SPINLOCK(grsec_alert_lock); -+unsigned long grsec_alert_wtime = 0; -+unsigned long grsec_alert_fyet = 0; -+ -+DEFINE_SPINLOCK(grsec_audit_lock); -+ -+DEFINE_RWLOCK(grsec_exec_file_lock); -+ -+char *gr_shared_page[4]; -+ -+char *gr_alert_log_fmt; -+char *gr_audit_log_fmt; -+char *gr_alert_log_buf; -+char *gr_audit_log_buf; -+ -+extern struct gr_arg *gr_usermode; -+extern unsigned char *gr_system_salt; -+extern unsigned char *gr_system_sum; -+ -+void __init -+grsecurity_init(void) -+{ -+ int j; -+ /* create the per-cpu shared pages */ -+ -+#ifdef CONFIG_X86 -+ memset((char *)(0x41a + PAGE_OFFSET), 0, 36); -+#endif -+ -+ for (j = 0; j < 4; j++) { -+ gr_shared_page[j] = (char *)__alloc_percpu(PAGE_SIZE, __alignof__(unsigned long long)); -+ if (gr_shared_page[j] == NULL) { -+ panic("Unable to allocate grsecurity shared page"); -+ return; -+ } -+ } -+ -+ /* allocate log buffers */ -+ gr_alert_log_fmt = kmalloc(512, GFP_KERNEL); -+ if (!gr_alert_log_fmt) { -+ panic("Unable to allocate grsecurity alert log format buffer"); -+ return; -+ } -+ gr_audit_log_fmt = kmalloc(512, GFP_KERNEL); -+ if (!gr_audit_log_fmt) { -+ panic("Unable to allocate grsecurity audit log format buffer"); -+ return; -+ } -+ gr_alert_log_buf = (char *) get_zeroed_page(GFP_KERNEL); -+ if (!gr_alert_log_buf) { -+ panic("Unable to allocate grsecurity alert log buffer"); -+ return; -+ } -+ gr_audit_log_buf = (char *) get_zeroed_page(GFP_KERNEL); -+ if (!gr_audit_log_buf) { -+ panic("Unable to allocate grsecurity audit log buffer"); -+ return; -+ } -+ -+ /* allocate memory for authentication structure */ -+ gr_usermode = kmalloc(sizeof(struct gr_arg), GFP_KERNEL); -+ gr_system_salt = kmalloc(GR_SALT_LEN, GFP_KERNEL); -+ gr_system_sum = kmalloc(GR_SHA_LEN, GFP_KERNEL); -+ -+ if (!gr_usermode || !gr_system_salt || !gr_system_sum) { -+ panic("Unable to allocate grsecurity authentication structure"); -+ return; -+ } -+ -+ -+#ifdef CONFIG_GRKERNSEC_IO -+#if !defined(CONFIG_GRKERNSEC_SYSCTL_DISTRO) -+ grsec_disable_privio = 1; -+#elif defined(CONFIG_GRKERNSEC_SYSCTL_ON) -+ grsec_disable_privio = 1; -+#else -+ grsec_disable_privio = 0; -+#endif -+#endif -+ -+#ifdef CONFIG_GRKERNSEC_TPE_INVERT -+ /* for backward compatibility, tpe_invert always defaults to on if -+ enabled in the kernel -+ */ -+ grsec_enable_tpe_invert = 1; -+#endif -+ -+#if !defined(CONFIG_GRKERNSEC_SYSCTL) || defined(CONFIG_GRKERNSEC_SYSCTL_ON) -+#ifndef CONFIG_GRKERNSEC_SYSCTL -+ grsec_lock = 1; -+#endif -+ -+#ifdef CONFIG_GRKERNSEC_AUDIT_TEXTREL -+ grsec_enable_audit_textrel = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_RWXMAP_LOG -+ grsec_enable_log_rwxmaps = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_AUDIT_GROUP -+ grsec_enable_group = 1; -+ grsec_audit_gid = CONFIG_GRKERNSEC_AUDIT_GID; -+#endif -+#ifdef CONFIG_GRKERNSEC_AUDIT_CHDIR -+ grsec_enable_chdir = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_HARDEN_PTRACE -+ grsec_enable_harden_ptrace = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_AUDIT_MOUNT -+ grsec_enable_mount = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_LINK -+ grsec_enable_link = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_BRUTE -+ grsec_enable_brute = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_DMESG -+ grsec_enable_dmesg = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_BLACKHOLE -+ grsec_enable_blackhole = 1; -+ grsec_lastack_retries = 4; -+#endif -+#ifdef CONFIG_GRKERNSEC_FIFO -+ grsec_enable_fifo = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_EXECVE -+ grsec_enable_execve = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_EXECLOG -+ grsec_enable_execlog = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_SIGNAL -+ grsec_enable_signal = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_FORKFAIL -+ grsec_enable_forkfail = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_TIME -+ grsec_enable_time = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_RESLOG -+ grsec_resource_logging = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_FINDTASK -+ grsec_enable_chroot_findtask = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_UNIX -+ grsec_enable_chroot_unix = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_MOUNT -+ grsec_enable_chroot_mount = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_FCHDIR -+ grsec_enable_chroot_fchdir = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_SHMAT -+ grsec_enable_chroot_shmat = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_AUDIT_PTRACE -+ grsec_enable_audit_ptrace = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_DOUBLE -+ grsec_enable_chroot_double = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_PIVOT -+ grsec_enable_chroot_pivot = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_CHDIR -+ grsec_enable_chroot_chdir = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_CHMOD -+ grsec_enable_chroot_chmod = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_MKNOD -+ grsec_enable_chroot_mknod = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_NICE -+ grsec_enable_chroot_nice = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_EXECLOG -+ grsec_enable_chroot_execlog = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_CAPS -+ grsec_enable_chroot_caps = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_SYSCTL -+ grsec_enable_chroot_sysctl = 1; -+#endif -+#ifdef CONFIG_GRKERNSEC_TPE -+ grsec_enable_tpe = 1; -+ grsec_tpe_gid = CONFIG_GRKERNSEC_TPE_GID; -+#ifdef CONFIG_GRKERNSEC_TPE_ALL -+ grsec_enable_tpe_all = 1; -+#endif -+#endif -+#ifdef CONFIG_GRKERNSEC_SOCKET_ALL -+ grsec_enable_socket_all = 1; -+ grsec_socket_all_gid = CONFIG_GRKERNSEC_SOCKET_ALL_GID; -+#endif -+#ifdef CONFIG_GRKERNSEC_SOCKET_CLIENT -+ grsec_enable_socket_client = 1; -+ grsec_socket_client_gid = CONFIG_GRKERNSEC_SOCKET_CLIENT_GID; -+#endif -+#ifdef CONFIG_GRKERNSEC_SOCKET_SERVER -+ grsec_enable_socket_server = 1; -+ grsec_socket_server_gid = CONFIG_GRKERNSEC_SOCKET_SERVER_GID; -+#endif -+#endif -+ -+ return; -+} -diff -urNp linux-2.6.39.3/grsecurity/grsec_link.c linux-2.6.39.3/grsecurity/grsec_link.c ---- linux-2.6.39.3/grsecurity/grsec_link.c 1969-12-31 19:00:00.000000000 -0500 -+++ linux-2.6.39.3/grsecurity/grsec_link.c 2011-05-22 19:41:42.000000000 -0400 -@@ -0,0 +1,43 @@ -+#include <linux/kernel.h> -+#include <linux/sched.h> -+#include <linux/fs.h> -+#include <linux/file.h> -+#include <linux/grinternal.h> -+ -+int -+gr_handle_follow_link(const struct inode *parent, -+ const struct inode *inode, -+ const struct dentry *dentry, const struct vfsmount *mnt) -+{ -+#ifdef CONFIG_GRKERNSEC_LINK -+ const struct cred *cred = current_cred(); -+ -+ if (grsec_enable_link && S_ISLNK(inode->i_mode) && -+ (parent->i_mode & S_ISVTX) && (parent->i_uid != inode->i_uid) && -+ (parent->i_mode & S_IWOTH) && (cred->fsuid != inode->i_uid)) { -+ gr_log_fs_int2(GR_DONT_AUDIT, GR_SYMLINK_MSG, dentry, mnt, inode->i_uid, inode->i_gid); -+ return -EACCES; -+ } -+#endif -+ return 0; -+} -+ -+int -+gr_handle_hardlink(const struct dentry *dentry, -+ const struct vfsmount *mnt, -+ struct inode *inode, const int mode, const char *to) -+{ -+#ifdef CONFIG_GRKERNSEC_LINK -+ const struct cred *cred = current_cred(); -+ -+ if (grsec_enable_link && cred->fsuid != inode->i_uid && -+ (!S_ISREG(mode) || (mode & S_ISUID) || -+ ((mode & (S_ISGID | S_IXGRP)) == (S_ISGID | S_IXGRP)) || -+ (inode_permission(inode, MAY_READ | MAY_WRITE))) && -+ !capable(CAP_FOWNER) && cred->uid) { -+ gr_log_fs_int2_str(GR_DONT_AUDIT, GR_HARDLINK_MSG, dentry, mnt, inode->i_uid, inode->i_gid, to); -+ return -EPERM; -+ } -+#endif -+ return 0; -+} -diff -urNp linux-2.6.39.3/grsecurity/grsec_log.c linux-2.6.39.3/grsecurity/grsec_log.c ---- linux-2.6.39.3/grsecurity/grsec_log.c 1969-12-31 19:00:00.000000000 -0500 -+++ linux-2.6.39.3/grsecurity/grsec_log.c 2011-05-22 19:41:42.000000000 -0400 -@@ -0,0 +1,310 @@ -+#include <linux/kernel.h> -+#include <linux/sched.h> -+#include <linux/file.h> -+#include <linux/tty.h> -+#include <linux/fs.h> -+#include <linux/grinternal.h> -+ -+#ifdef CONFIG_TREE_PREEMPT_RCU -+#define DISABLE_PREEMPT() preempt_disable() -+#define ENABLE_PREEMPT() preempt_enable() -+#else -+#define DISABLE_PREEMPT() -+#define ENABLE_PREEMPT() -+#endif -+ -+#define BEGIN_LOCKS(x) \ -+ DISABLE_PREEMPT(); \ -+ rcu_read_lock(); \ -+ read_lock(&tasklist_lock); \ -+ read_lock(&grsec_exec_file_lock); \ -+ if (x != GR_DO_AUDIT) \ -+ spin_lock(&grsec_alert_lock); \ -+ else \ -+ spin_lock(&grsec_audit_lock) -+ -+#define END_LOCKS(x) \ -+ if (x != GR_DO_AUDIT) \ -+ spin_unlock(&grsec_alert_lock); \ -+ else \ -+ spin_unlock(&grsec_audit_lock); \ -+ read_unlock(&grsec_exec_file_lock); \ -+ read_unlock(&tasklist_lock); \ -+ rcu_read_unlock(); \ -+ ENABLE_PREEMPT(); \ -+ if (x == GR_DONT_AUDIT) \ -+ gr_handle_alertkill(current) -+ -+enum { -+ FLOODING, -+ NO_FLOODING -+}; -+ -+extern char *gr_alert_log_fmt; -+extern char *gr_audit_log_fmt; -+extern char *gr_alert_log_buf; -+extern char *gr_audit_log_buf; -+ -+static int gr_log_start(int audit) -+{ -+ char *loglevel = (audit == GR_DO_AUDIT) ? KERN_INFO : KERN_ALERT; -+ char *fmt = (audit == GR_DO_AUDIT) ? gr_audit_log_fmt : gr_alert_log_fmt; -+ char *buf = (audit == GR_DO_AUDIT) ? gr_audit_log_buf : gr_alert_log_buf; -+ -+ if (audit == GR_DO_AUDIT) -+ goto set_fmt; -+ -+ if (!grsec_alert_wtime || jiffies - grsec_alert_wtime > CONFIG_GRKERNSEC_FLOODTIME * HZ) { -+ grsec_alert_wtime = jiffies; -+ grsec_alert_fyet = 0; -+ } else if ((jiffies - grsec_alert_wtime < CONFIG_GRKERNSEC_FLOODTIME * HZ) && (grsec_alert_fyet < CONFIG_GRKERNSEC_FLOODBURST)) { -+ grsec_alert_fyet++; -+ } else if (grsec_alert_fyet == CONFIG_GRKERNSEC_FLOODBURST) { -+ grsec_alert_wtime = jiffies; -+ grsec_alert_fyet++; -+ printk(KERN_ALERT "grsec: more alerts, logging disabled for %d seconds\n", CONFIG_GRKERNSEC_FLOODTIME); -+ return FLOODING; -+ } else return FLOODING; -+ -+set_fmt: -+ memset(buf, 0, PAGE_SIZE); -+ if (current->signal->curr_ip && gr_acl_is_enabled()) { -+ sprintf(fmt, "%s%s", loglevel, "grsec: From %pI4: (%.64s:%c:%.950s) "); -+ snprintf(buf, PAGE_SIZE - 1, fmt, ¤t->signal->curr_ip, current->role->rolename, gr_roletype_to_char(), current->acl->filename); -+ } else if (current->signal->curr_ip) { -+ sprintf(fmt, "%s%s", loglevel, "grsec: From %pI4: "); -+ snprintf(buf, PAGE_SIZE - 1, fmt, ¤t->signal->curr_ip); -+ } else if (gr_acl_is_enabled()) { -+ sprintf(fmt, "%s%s", loglevel, "grsec: (%.64s:%c:%.950s) "); -+ snprintf(buf, PAGE_SIZE - 1, fmt, current->role->rolename, gr_roletype_to_char(), current->acl->filename); -+ } else { -+ sprintf(fmt, "%s%s", loglevel, "grsec: "); -+ strcpy(buf, fmt); -+ } -+ -+ return NO_FLOODING; -+} -+ -+static void gr_log_middle(int audit, const char *msg, va_list ap) -+ __attribute__ ((format (printf, 2, 0))); -+ -+static void gr_log_middle(int audit, const char *msg, va_list ap) -+{ -+ char *buf = (audit == GR_DO_AUDIT) ? gr_audit_log_buf : gr_alert_log_buf; -+ unsigned int len = strlen(buf); -+ -+ vsnprintf(buf + len, PAGE_SIZE - len - 1, msg, ap); -+ -+ return; -+} -+ -+static void gr_log_middle_varargs(int audit, const char *msg, ...) -+ __attribute__ ((format (printf, 2, 3))); -+ -+static void gr_log_middle_varargs(int audit, const char *msg, ...) -+{ -+ char *buf = (audit == GR_DO_AUDIT) ? gr_audit_log_buf : gr_alert_log_buf; -+ unsigned int len = strlen(buf); -+ va_list ap; -+ -+ va_start(ap, msg); -+ vsnprintf(buf + len, PAGE_SIZE - len - 1, msg, ap); -+ va_end(ap); -+ -+ return; -+} -+ -+static void gr_log_end(int audit) -+{ -+ char *buf = (audit == GR_DO_AUDIT) ? gr_audit_log_buf : gr_alert_log_buf; -+ unsigned int len = strlen(buf); -+ -+ snprintf(buf + len, PAGE_SIZE - len - 1, DEFAULTSECMSG, DEFAULTSECARGS(current, current_cred(), __task_cred(current->real_parent))); -+ printk("%s\n", buf); -+ -+ return; -+} -+ -+void gr_log_varargs(int audit, const char *msg, int argtypes, ...) -+{ -+ int logtype; -+ char *result = (audit == GR_DO_AUDIT) ? "successful" : "denied"; -+ char *str1 = NULL, *str2 = NULL, *str3 = NULL; -+ void *voidptr = NULL; -+ int num1 = 0, num2 = 0; -+ unsigned long ulong1 = 0, ulong2 = 0; -+ struct dentry *dentry = NULL; -+ struct vfsmount *mnt = NULL; -+ struct file *file = NULL; -+ struct task_struct *task = NULL; -+ const struct cred *cred, *pcred; -+ va_list ap; -+ -+ BEGIN_LOCKS(audit); -+ logtype = gr_log_start(audit); -+ if (logtype == FLOODING) { -+ END_LOCKS(audit); -+ return; -+ } -+ va_start(ap, argtypes); -+ switch (argtypes) { -+ case GR_TTYSNIFF: -+ task = va_arg(ap, struct task_struct *); -+ gr_log_middle_varargs(audit, msg, &task->signal->curr_ip, gr_task_fullpath0(task), task->comm, task->pid, gr_parent_task_fullpath0(task), task->real_parent->comm, task->real_parent->pid); -+ break; -+ case GR_SYSCTL_HIDDEN: -+ str1 = va_arg(ap, char *); -+ gr_log_middle_varargs(audit, msg, result, str1); -+ break; -+ case GR_RBAC: -+ dentry = va_arg(ap, struct dentry *); -+ mnt = va_arg(ap, struct vfsmount *); -+ gr_log_middle_varargs(audit, msg, result, gr_to_filename(dentry, mnt)); -+ break; -+ case GR_RBAC_STR: -+ dentry = va_arg(ap, struct dentry *); -+ mnt = va_arg(ap, struct vfsmount *); -+ str1 = va_arg(ap, char *); -+ gr_log_middle_varargs(audit, msg, result, gr_to_filename(dentry, mnt), str1); -+ break; -+ case GR_STR_RBAC: -+ str1 = va_arg(ap, char *); -+ dentry = va_arg(ap, struct dentry *); -+ mnt = va_arg(ap, struct vfsmount *); -+ gr_log_middle_varargs(audit, msg, result, str1, gr_to_filename(dentry, mnt)); -+ break; -+ case GR_RBAC_MODE2: -+ dentry = va_arg(ap, struct dentry *); -+ mnt = va_arg(ap, struct vfsmount *); -+ str1 = va_arg(ap, char *); -+ str2 = va_arg(ap, char *); -+ gr_log_middle_varargs(audit, msg, result, gr_to_filename(dentry, mnt), str1, str2); -+ break; -+ case GR_RBAC_MODE3: -+ dentry = va_arg(ap, struct dentry *); -+ mnt = va_arg(ap, struct vfsmount *); -+ str1 = va_arg(ap, char *); -+ str2 = va_arg(ap, char *); -+ str3 = va_arg(ap, char *); -+ gr_log_middle_varargs(audit, msg, result, gr_to_filename(dentry, mnt), str1, str2, str3); -+ break; -+ case GR_FILENAME: -+ dentry = va_arg(ap, struct dentry *); -+ mnt = va_arg(ap, struct vfsmount *); -+ gr_log_middle_varargs(audit, msg, gr_to_filename(dentry, mnt)); -+ break; -+ case GR_STR_FILENAME: -+ str1 = va_arg(ap, char *); -+ dentry = va_arg(ap, struct dentry *); -+ mnt = va_arg(ap, struct vfsmount *); -+ gr_log_middle_varargs(audit, msg, str1, gr_to_filename(dentry, mnt)); -+ break; -+ case GR_FILENAME_STR: -+ dentry = va_arg(ap, struct dentry *); -+ mnt = va_arg(ap, struct vfsmount *); -+ str1 = va_arg(ap, char *); -+ gr_log_middle_varargs(audit, msg, gr_to_filename(dentry, mnt), str1); -+ break; -+ case GR_FILENAME_TWO_INT: -+ dentry = va_arg(ap, struct dentry *); -+ mnt = va_arg(ap, struct vfsmount *); -+ num1 = va_arg(ap, int); -+ num2 = va_arg(ap, int); -+ gr_log_middle_varargs(audit, msg, gr_to_filename(dentry, mnt), num1, num2); -+ break; -+ case GR_FILENAME_TWO_INT_STR: -+ dentry = va_arg(ap, struct dentry *); -+ mnt = va_arg(ap, struct vfsmount *); -+ num1 = va_arg(ap, int); -+ num2 = va_arg(ap, int); -+ str1 = va_arg(ap, char *); -+ gr_log_middle_varargs(audit, msg, gr_to_filename(dentry, mnt), num1, num2, str1); -+ break; -+ case GR_TEXTREL: -+ file = va_arg(ap, struct file *); -+ ulong1 = va_arg(ap, unsigned long); -+ ulong2 = va_arg(ap, unsigned long); -+ gr_log_middle_varargs(audit, msg, file ? gr_to_filename(file->f_path.dentry, file->f_path.mnt) : "<anonymous mapping>", ulong1, ulong2); -+ break; -+ case GR_PTRACE: -+ task = va_arg(ap, struct task_struct *); -+ gr_log_middle_varargs(audit, msg, task->exec_file ? gr_to_filename(task->exec_file->f_path.dentry, task->exec_file->f_path.mnt) : "(none)", task->comm, task->pid); -+ break; -+ case GR_RESOURCE: -+ task = va_arg(ap, struct task_struct *); -+ cred = __task_cred(task); -+ pcred = __task_cred(task->real_parent); -+ ulong1 = va_arg(ap, unsigned long); -+ str1 = va_arg(ap, char *); -+ ulong2 = va_arg(ap, unsigned long); -+ gr_log_middle_varargs(audit, msg, ulong1, str1, ulong2, gr_task_fullpath(task), task->comm, task->pid, cred->uid, cred->euid, cred->gid, cred->egid, gr_parent_task_fullpath(task), task->real_parent->comm, task->real_parent->pid, pcred->uid, pcred->euid, pcred->gid, pcred->egid); -+ break; -+ case GR_CAP: -+ task = va_arg(ap, struct task_struct *); -+ cred = __task_cred(task); -+ pcred = __task_cred(task->real_parent); -+ str1 = va_arg(ap, char *); -+ gr_log_middle_varargs(audit, msg, str1, gr_task_fullpath(task), task->comm, task->pid, cred->uid, cred->euid, cred->gid, cred->egid, gr_parent_task_fullpath(task), task->real_parent->comm, task->real_parent->pid, pcred->uid, pcred->euid, pcred->gid, pcred->egid); -+ break; -+ case GR_SIG: -+ str1 = va_arg(ap, char *); -+ voidptr = va_arg(ap, void *); -+ gr_log_middle_varargs(audit, msg, str1, voidptr); -+ break; -+ case GR_SIG2: -+ task = va_arg(ap, struct task_struct *); -+ cred = __task_cred(task); -+ pcred = __task_cred(task->real_parent); -+ num1 = va_arg(ap, int); -+ gr_log_middle_varargs(audit, msg, num1, gr_task_fullpath0(task), task->comm, task->pid, cred->uid, cred->euid, cred->gid, cred->egid, gr_parent_task_fullpath0(task), task->real_parent->comm, task->real_parent->pid, pcred->uid, pcred->euid, pcred->gid, pcred->egid); -+ break; -+ case GR_CRASH1: -+ task = va_arg(ap, struct task_struct *); -+ cred = __task_cred(task); -+ pcred = __task_cred(task->real_parent); -+ ulong1 = va_arg(ap, unsigned long); -+ gr_log_middle_varargs(audit, msg, gr_task_fullpath(task), task->comm, task->pid, cred->uid, cred->euid, cred->gid, cred->egid, gr_parent_task_fullpath(task), task->real_parent->comm, task->real_parent->pid, pcred->uid, pcred->euid, pcred->gid, pcred->egid, cred->uid, ulong1); -+ break; -+ case GR_CRASH2: -+ task = va_arg(ap, struct task_struct *); -+ cred = __task_cred(task); -+ pcred = __task_cred(task->real_parent); -+ ulong1 = va_arg(ap, unsigned long); -+ gr_log_middle_varargs(audit, msg, gr_task_fullpath(task), task->comm, task->pid, cred->uid, cred->euid, cred->gid, cred->egid, gr_parent_task_fullpath(task), task->real_parent->comm, task->real_parent->pid, pcred->uid, pcred->euid, pcred->gid, pcred->egid, ulong1); -+ break; -+ case GR_RWXMAP: -+ file = va_arg(ap, struct file *); -+ gr_log_middle_varargs(audit, msg, file ? gr_to_filename(file->f_path.dentry, file->f_path.mnt) : "<anonymous mapping>"); -+ break; -+ case GR_PSACCT: -+ { -+ unsigned int wday, cday; -+ __u8 whr, chr; -+ __u8 wmin, cmin; -+ __u8 wsec, csec; -+ char cur_tty[64] = { 0 }; -+ char parent_tty[64] = { 0 }; -+ -+ task = va_arg(ap, struct task_struct *); -+ wday = va_arg(ap, unsigned int); -+ cday = va_arg(ap, unsigned int); -+ whr = va_arg(ap, int); -+ chr = va_arg(ap, int); -+ wmin = va_arg(ap, int); -+ cmin = va_arg(ap, int); -+ wsec = va_arg(ap, int); -+ csec = va_arg(ap, int); -+ ulong1 = va_arg(ap, unsigned long); -+ cred = __task_cred(task); -+ pcred = __task_cred(task->real_parent); -+ -+ gr_log_middle_varargs(audit, msg, gr_task_fullpath(task), task->comm, task->pid, &task->signal->curr_ip, tty_name(task->signal->tty, cur_tty), cred->uid, cred->euid, cred->gid, cred->egid, wday, whr, wmin, wsec, cday, chr, cmin, csec, (task->flags & PF_SIGNALED) ? "killed by signal" : "exited", ulong1, gr_parent_task_fullpath(task), task->real_parent->comm, task->real_parent->pid, &task->real_parent->signal->curr_ip, tty_name(task->real_parent->signal->tty, parent_tty), pcred->uid, pcred->euid, pcred->gid, pcred->egid); -+ } -+ break; -+ default: -+ gr_log_middle(audit, msg, ap); -+ } -+ va_end(ap); -+ gr_log_end(audit); -+ END_LOCKS(audit); -+} -diff -urNp linux-2.6.39.3/grsecurity/grsec_mem.c linux-2.6.39.3/grsecurity/grsec_mem.c ---- linux-2.6.39.3/grsecurity/grsec_mem.c 1969-12-31 19:00:00.000000000 -0500 -+++ linux-2.6.39.3/grsecurity/grsec_mem.c 2011-05-22 19:41:42.000000000 -0400 -@@ -0,0 +1,33 @@ -+#include <linux/kernel.h> -+#include <linux/sched.h> -+#include <linux/mm.h> -+#include <linux/mman.h> -+#include <linux/grinternal.h> -+ -+void -+gr_handle_ioperm(void) -+{ -+ gr_log_noargs(GR_DONT_AUDIT, GR_IOPERM_MSG); -+ return; -+} -+ -+void -+gr_handle_iopl(void) -+{ -+ gr_log_noargs(GR_DONT_AUDIT, GR_IOPL_MSG); -+ return; -+} -+ -+void -+gr_handle_mem_readwrite(u64 from, u64 to) -+{ -+ gr_log_two_u64(GR_DONT_AUDIT, GR_MEM_READWRITE_MSG, from, to); -+ return; -+} -+ -+void -+gr_handle_vm86(void) -+{ -+ gr_log_noargs(GR_DONT_AUDIT, GR_VM86_MSG); -+ return; -+} -diff -urNp linux-2.6.39.3/grsecurity/grsec_mount.c linux-2.6.39.3/grsecurity/grsec_mount.c ---- linux-2.6.39.3/grsecurity/grsec_mount.c 1969-12-31 19:00:00.000000000 -0500 -+++ linux-2.6.39.3/grsecurity/grsec_mount.c 2011-06-20 19:46:18.000000000 -0400 -@@ -0,0 +1,62 @@ -+#include <linux/kernel.h> -+#include <linux/sched.h> -+#include <linux/mount.h> -+#include <linux/grsecurity.h> -+#include <linux/grinternal.h> -+ -+void -+gr_log_remount(const char *devname, const int retval) -+{ -+#ifdef CONFIG_GRKERNSEC_AUDIT_MOUNT -+ if (grsec_enable_mount && (retval >= 0)) -+ gr_log_str(GR_DO_AUDIT, GR_REMOUNT_AUDIT_MSG, devname ? devname : "none"); -+#endif -+ return; -+} -+ -+void -+gr_log_unmount(const char *devname, const int retval) -+{ -+#ifdef CONFIG_GRKERNSEC_AUDIT_MOUNT -+ if (grsec_enable_mount && (retval >= 0)) -+ gr_log_str(GR_DO_AUDIT, GR_UNMOUNT_AUDIT_MSG, devname ? devname : "none"); -+#endif -+ return; -+} -+ -+void -+gr_log_mount(const char *from, const char *to, const int retval) -+{ -+#ifdef CONFIG_GRKERNSEC_AUDIT_MOUNT -+ if (grsec_enable_mount && (retval >= 0)) -+ gr_log_str_str(GR_DO_AUDIT, GR_MOUNT_AUDIT_MSG, from ? from : "none", to); -+#endif -+ return; -+} -+ -+int -+gr_handle_rofs_mount(struct dentry *dentry, struct vfsmount *mnt, int mnt_flags) -+{ -+#ifdef CONFIG_GRKERNSEC_ROFS -+ if (grsec_enable_rofs && !(mnt_flags & MNT_READONLY)) { -+ gr_log_fs_generic(GR_DO_AUDIT, GR_ROFS_MOUNT_MSG, dentry, mnt); -+ return -EPERM; -+ } else -+ return 0; -+#endif -+ return 0; -+} -+ -+int -+gr_handle_rofs_blockwrite(struct dentry *dentry, struct vfsmount *mnt, int acc_mode) -+{ -+#ifdef CONFIG_GRKERNSEC_ROFS -+ if (grsec_enable_rofs && (acc_mode & MAY_WRITE) && -+ dentry->d_inode && S_ISBLK(dentry->d_inode->i_mode)) { -+ gr_log_fs_generic(GR_DO_AUDIT, GR_ROFS_BLOCKWRITE_MSG, dentry, mnt); -+ return -EPERM; -+ } else -+ return 0; -+#endif -+ return 0; -+} -diff -urNp linux-2.6.39.3/grsecurity/grsec_pax.c linux-2.6.39.3/grsecurity/grsec_pax.c ---- linux-2.6.39.3/grsecurity/grsec_pax.c 1969-12-31 19:00:00.000000000 -0500 -+++ linux-2.6.39.3/grsecurity/grsec_pax.c 2011-05-22 19:41:42.000000000 -0400 -@@ -0,0 +1,36 @@ -+#include <linux/kernel.h> -+#include <linux/sched.h> -+#include <linux/mm.h> -+#include <linux/file.h> -+#include <linux/grinternal.h> -+#include <linux/grsecurity.h> -+ -+void -+gr_log_textrel(struct vm_area_struct * vma) -+{ -+#ifdef CONFIG_GRKERNSEC_AUDIT_TEXTREL -+ if (grsec_enable_audit_textrel) -+ gr_log_textrel_ulong_ulong(GR_DO_AUDIT, GR_TEXTREL_AUDIT_MSG, vma->vm_file, vma->vm_start, vma->vm_pgoff); -+#endif -+ return; -+} -+ -+void -+gr_log_rwxmmap(struct file *file) -+{ -+#ifdef CONFIG_GRKERNSEC_RWXMAP_LOG -+ if (grsec_enable_log_rwxmaps) -+ gr_log_rwxmap(GR_DONT_AUDIT, GR_RWXMMAP_MSG, file); -+#endif -+ return; -+} -+ -+void -+gr_log_rwxmprotect(struct file *file) -+{ -+#ifdef CONFIG_GRKERNSEC_RWXMAP_LOG -+ if (grsec_enable_log_rwxmaps) -+ gr_log_rwxmap(GR_DONT_AUDIT, GR_RWXMPROTECT_MSG, file); -+#endif -+ return; -+} -diff -urNp linux-2.6.39.3/grsecurity/grsec_ptrace.c linux-2.6.39.3/grsecurity/grsec_ptrace.c ---- linux-2.6.39.3/grsecurity/grsec_ptrace.c 1969-12-31 19:00:00.000000000 -0500 -+++ linux-2.6.39.3/grsecurity/grsec_ptrace.c 2011-05-22 19:41:42.000000000 -0400 -@@ -0,0 +1,14 @@ -+#include <linux/kernel.h> -+#include <linux/sched.h> -+#include <linux/grinternal.h> -+#include <linux/grsecurity.h> -+ -+void -+gr_audit_ptrace(struct task_struct *task) -+{ -+#ifdef CONFIG_GRKERNSEC_AUDIT_PTRACE -+ if (grsec_enable_audit_ptrace) -+ gr_log_ptrace(GR_DO_AUDIT, GR_PTRACE_AUDIT_MSG, task); -+#endif -+ return; -+} -diff -urNp linux-2.6.39.3/grsecurity/grsec_sig.c linux-2.6.39.3/grsecurity/grsec_sig.c ---- linux-2.6.39.3/grsecurity/grsec_sig.c 1969-12-31 19:00:00.000000000 -0500 -+++ linux-2.6.39.3/grsecurity/grsec_sig.c 2011-06-29 19:40:46.000000000 -0400 -@@ -0,0 +1,206 @@ -+#include <linux/kernel.h> -+#include <linux/sched.h> -+#include <linux/delay.h> -+#include <linux/grsecurity.h> -+#include <linux/grinternal.h> -+#include <linux/hardirq.h> -+ -+char *signames[] = { -+ [SIGSEGV] = "Segmentation fault", -+ [SIGILL] = "Illegal instruction", -+ [SIGABRT] = "Abort", -+ [SIGBUS] = "Invalid alignment/Bus error" -+}; -+ -+void -+gr_log_signal(const int sig, const void *addr, const struct task_struct *t) -+{ -+#ifdef CONFIG_GRKERNSEC_SIGNAL -+ if (grsec_enable_signal && ((sig == SIGSEGV) || (sig == SIGILL) || -+ (sig == SIGABRT) || (sig == SIGBUS))) { -+ if (t->pid == current->pid) { -+ gr_log_sig_addr(GR_DONT_AUDIT_GOOD, GR_UNISIGLOG_MSG, signames[sig], addr); -+ } else { -+ gr_log_sig_task(GR_DONT_AUDIT_GOOD, GR_DUALSIGLOG_MSG, t, sig); -+ } -+ } -+#endif -+ return; -+} -+ -+int -+gr_handle_signal(const struct task_struct *p, const int sig) -+{ -+#ifdef CONFIG_GRKERNSEC -+ if (current->pid > 1 && gr_check_protected_task(p)) { -+ gr_log_sig_task(GR_DONT_AUDIT, GR_SIG_ACL_MSG, p, sig); -+ return -EPERM; -+ } else if (gr_pid_is_chrooted((struct task_struct *)p)) { -+ return -EPERM; -+ } -+#endif -+ return 0; -+} -+ -+#ifdef CONFIG_GRKERNSEC -+extern int specific_send_sig_info(int sig, struct siginfo *info, struct task_struct *t); -+ -+int gr_fake_force_sig(int sig, struct task_struct *t) -+{ -+ unsigned long int flags; -+ int ret, blocked, ignored; -+ struct k_sigaction *action; -+ -+ spin_lock_irqsave(&t->sighand->siglock, flags); -+ action = &t->sighand->action[sig-1]; -+ ignored = action->sa.sa_handler == SIG_IGN; -+ blocked = sigismember(&t->blocked, sig); -+ if (blocked || ignored) { -+ action->sa.sa_handler = SIG_DFL; -+ if (blocked) { -+ sigdelset(&t->blocked, sig); -+ recalc_sigpending_and_wake(t); -+ } -+ } -+ if (action->sa.sa_handler == SIG_DFL) -+ t->signal->flags &= ~SIGNAL_UNKILLABLE; -+ ret = specific_send_sig_info(sig, SEND_SIG_PRIV, t); -+ -+ spin_unlock_irqrestore(&t->sighand->siglock, flags); -+ -+ return ret; -+} -+#endif -+ -+#ifdef CONFIG_GRKERNSEC_BRUTE -+#define GR_USER_BAN_TIME (15 * 60) -+ -+static int __get_dumpable(unsigned long mm_flags) -+{ -+ int ret; -+ -+ ret = mm_flags & MMF_DUMPABLE_MASK; -+ return (ret >= 2) ? 2 : ret; -+} -+#endif -+ -+void gr_handle_brute_attach(struct task_struct *p, unsigned long mm_flags) -+{ -+#ifdef CONFIG_GRKERNSEC_BRUTE -+ uid_t uid = 0; -+ -+ if (!grsec_enable_brute) -+ return; -+ -+ rcu_read_lock(); -+ read_lock(&tasklist_lock); -+ read_lock(&grsec_exec_file_lock); -+ if (p->real_parent && p->real_parent->exec_file == p->exec_file) -+ p->real_parent->brute = 1; -+ else { -+ const struct cred *cred = __task_cred(p), *cred2; -+ struct task_struct *tsk, *tsk2; -+ -+ if (!__get_dumpable(mm_flags) && cred->uid) { -+ struct user_struct *user; -+ -+ uid = cred->uid; -+ -+ /* this is put upon execution past expiration */ -+ user = find_user(uid); -+ if (user == NULL) -+ goto unlock; -+ user->banned = 1; -+ user->ban_expires = get_seconds() + GR_USER_BAN_TIME; -+ if (user->ban_expires == ~0UL) -+ user->ban_expires--; -+ -+ do_each_thread(tsk2, tsk) { -+ cred2 = __task_cred(tsk); -+ if (tsk != p && cred2->uid == uid) -+ gr_fake_force_sig(SIGKILL, tsk); -+ } while_each_thread(tsk2, tsk); -+ } -+ } -+unlock: -+ read_unlock(&grsec_exec_file_lock); -+ read_unlock(&tasklist_lock); -+ rcu_read_unlock(); -+ -+ if (uid) -+ printk(KERN_ALERT "grsec: bruteforce prevention initiated against uid %u, banning for %d minutes\n", uid, GR_USER_BAN_TIME / 60); -+ -+#endif -+ return; -+} -+ -+void gr_handle_brute_check(void) -+{ -+#ifdef CONFIG_GRKERNSEC_BRUTE -+ if (current->brute) -+ msleep(30 * 1000); -+#endif -+ return; -+} -+ -+void gr_handle_kernel_exploit(void) -+{ -+#ifdef CONFIG_GRKERNSEC_KERN_LOCKOUT -+ const struct cred *cred; -+ struct task_struct *tsk, *tsk2; -+ struct user_struct *user; -+ uid_t uid; -+ -+ if (in_irq() || in_serving_softirq() || in_nmi()) -+ panic("grsec: halting the system due to suspicious kernel crash caused in interrupt context"); -+ -+ uid = current_uid(); -+ -+ if (uid == 0) -+ panic("grsec: halting the system due to suspicious kernel crash caused by root"); -+ else { -+ /* kill all the processes of this user, hold a reference -+ to their creds struct, and prevent them from creating -+ another process until system reset -+ */ -+ printk(KERN_ALERT "grsec: banning user with uid %u until system restart for suspicious kernel crash\n", uid); -+ /* we intentionally leak this ref */ -+ user = get_uid(current->cred->user); -+ if (user) { -+ user->banned = 1; -+ user->ban_expires = ~0UL; -+ } -+ -+ read_lock(&tasklist_lock); -+ do_each_thread(tsk2, tsk) { -+ cred = __task_cred(tsk); -+ if (cred->uid == uid) -+ gr_fake_force_sig(SIGKILL, tsk); -+ } while_each_thread(tsk2, tsk); -+ read_unlock(&tasklist_lock); -+ } -+#endif -+} -+ -+int __gr_process_user_ban(struct user_struct *user) -+{ -+#if defined(CONFIG_GRKERNSEC_KERN_LOCKOUT) || defined(CONFIG_GRKERNSEC_BRUTE) -+ if (unlikely(user->banned)) { -+ if (user->ban_expires != ~0UL && time_after_eq(get_seconds(), user->ban_expires)) { -+ user->banned = 0; -+ user->ban_expires = 0; -+ free_uid(user); -+ } else -+ return -EPERM; -+ } -+#endif -+ return 0; -+} -+ -+int gr_process_user_ban(void) -+{ -+#if defined(CONFIG_GRKERNSEC_KERN_LOCKOUT) || defined(CONFIG_GRKERNSEC_BRUTE) -+ return __gr_process_user_ban(current->cred->user); -+#endif -+ return 0; -+} -diff -urNp linux-2.6.39.3/grsecurity/grsec_sock.c linux-2.6.39.3/grsecurity/grsec_sock.c ---- linux-2.6.39.3/grsecurity/grsec_sock.c 1969-12-31 19:00:00.000000000 -0500 -+++ linux-2.6.39.3/grsecurity/grsec_sock.c 2011-05-22 20:29:21.000000000 -0400 -@@ -0,0 +1,244 @@ -+#include <linux/kernel.h> -+#include <linux/module.h> -+#include <linux/sched.h> -+#include <linux/file.h> -+#include <linux/net.h> -+#include <linux/in.h> -+#include <linux/ip.h> -+#include <net/sock.h> -+#include <net/inet_sock.h> -+#include <linux/grsecurity.h> -+#include <linux/grinternal.h> -+#include <linux/gracl.h> -+ -+extern int gr_search_udp_recvmsg(const struct sock *sk, const struct sk_buff *skb); -+extern int gr_search_udp_sendmsg(const struct sock *sk, const struct sockaddr_in *addr); -+ -+EXPORT_SYMBOL(gr_search_udp_recvmsg); -+EXPORT_SYMBOL(gr_search_udp_sendmsg); -+ -+#ifdef CONFIG_UNIX_MODULE -+EXPORT_SYMBOL(gr_acl_handle_unix); -+EXPORT_SYMBOL(gr_acl_handle_mknod); -+EXPORT_SYMBOL(gr_handle_chroot_unix); -+EXPORT_SYMBOL(gr_handle_create); -+#endif -+ -+#ifdef CONFIG_GRKERNSEC -+#define gr_conn_table_size 32749 -+struct conn_table_entry { -+ struct conn_table_entry *next; -+ struct signal_struct *sig; -+}; -+ -+struct conn_table_entry *gr_conn_table[gr_conn_table_size]; -+DEFINE_SPINLOCK(gr_conn_table_lock); -+ -+extern const char * gr_socktype_to_name(unsigned char type); -+extern const char * gr_proto_to_name(unsigned char proto); -+extern const char * gr_sockfamily_to_name(unsigned char family); -+ -+static __inline__ int -+conn_hash(__u32 saddr, __u32 daddr, __u16 sport, __u16 dport, unsigned int size) -+{ -+ return ((daddr + saddr + (sport << 8) + (dport << 16)) % size); -+} -+ -+static __inline__ int -+conn_match(const struct signal_struct *sig, __u32 saddr, __u32 daddr, -+ __u16 sport, __u16 dport) -+{ -+ if (unlikely(sig->gr_saddr == saddr && sig->gr_daddr == daddr && -+ sig->gr_sport == sport && sig->gr_dport == dport)) -+ return 1; -+ else -+ return 0; -+} -+ -+static void gr_add_to_task_ip_table_nolock(struct signal_struct *sig, struct conn_table_entry *newent) -+{ -+ struct conn_table_entry **match; -+ unsigned int index; -+ -+ index = conn_hash(sig->gr_saddr, sig->gr_daddr, -+ sig->gr_sport, sig->gr_dport, -+ gr_conn_table_size); -+ -+ newent->sig = sig; -+ -+ match = &gr_conn_table[index]; -+ newent->next = *match; -+ *match = newent; -+ -+ return; -+} -+ -+static void gr_del_task_from_ip_table_nolock(struct signal_struct *sig) -+{ -+ struct conn_table_entry *match, *last = NULL; -+ unsigned int index; -+ -+ index = conn_hash(sig->gr_saddr, sig->gr_daddr, -+ sig->gr_sport, sig->gr_dport, -+ gr_conn_table_size); -+ -+ match = gr_conn_table[index]; -+ while (match && !conn_match(match->sig, -+ sig->gr_saddr, sig->gr_daddr, sig->gr_sport, -+ sig->gr_dport)) { -+ last = match; -+ match = match->next; -+ } -+ -+ if (match) { -+ if (last) -+ last->next = match->next; -+ else -+ gr_conn_table[index] = NULL; -+ kfree(match); -+ } -+ -+ return; -+} -+ -+static struct signal_struct * gr_lookup_task_ip_table(__u32 saddr, __u32 daddr, -+ __u16 sport, __u16 dport) -+{ -+ struct conn_table_entry *match; -+ unsigned int index; -+ -+ index = conn_hash(saddr, daddr, sport, dport, gr_conn_table_size); -+ -+ match = gr_conn_table[index]; -+ while (match && !conn_match(match->sig, saddr, daddr, sport, dport)) -+ match = match->next; -+ -+ if (match) -+ return match->sig; -+ else -+ return NULL; -+} -+ -+#endif -+ -+void gr_update_task_in_ip_table(struct task_struct *task, const struct inet_sock *inet) -+{ -+#ifdef CONFIG_GRKERNSEC -+ struct signal_struct *sig = task->signal; -+ struct conn_table_entry *newent; -+ -+ newent = kmalloc(sizeof(struct conn_table_entry), GFP_ATOMIC); -+ if (newent == NULL) -+ return; -+ /* no bh lock needed since we are called with bh disabled */ -+ spin_lock(&gr_conn_table_lock); -+ gr_del_task_from_ip_table_nolock(sig); -+ sig->gr_saddr = inet->inet_rcv_saddr; -+ sig->gr_daddr = inet->inet_daddr; -+ sig->gr_sport = inet->inet_sport; -+ sig->gr_dport = inet->inet_dport; -+ gr_add_to_task_ip_table_nolock(sig, newent); -+ spin_unlock(&gr_conn_table_lock); -+#endif -+ return; -+} -+ -+void gr_del_task_from_ip_table(struct task_struct *task) -+{ -+#ifdef CONFIG_GRKERNSEC -+ spin_lock_bh(&gr_conn_table_lock); -+ gr_del_task_from_ip_table_nolock(task->signal); -+ spin_unlock_bh(&gr_conn_table_lock); -+#endif -+ return; -+} -+ -+void -+gr_attach_curr_ip(const struct sock *sk) -+{ -+#ifdef CONFIG_GRKERNSEC -+ struct signal_struct *p, *set; -+ const struct inet_sock *inet = inet_sk(sk); -+ -+ if (unlikely(sk->sk_protocol != IPPROTO_TCP)) -+ return; -+ -+ set = current->signal; -+ -+ spin_lock_bh(&gr_conn_table_lock); -+ p = gr_lookup_task_ip_table(inet->inet_daddr, inet->inet_rcv_saddr, -+ inet->inet_dport, inet->inet_sport); -+ if (unlikely(p != NULL)) { -+ set->curr_ip = p->curr_ip; -+ set->used_accept = 1; -+ gr_del_task_from_ip_table_nolock(p); -+ spin_unlock_bh(&gr_conn_table_lock); -+ return; -+ } -+ spin_unlock_bh(&gr_conn_table_lock); -+ -+ set->curr_ip = inet->inet_daddr; -+ set->used_accept = 1; -+#endif -+ return; -+} -+ -+int -+gr_handle_sock_all(const int family, const int type, const int protocol) -+{ -+#ifdef CONFIG_GRKERNSEC_SOCKET_ALL -+ if (grsec_enable_socket_all && in_group_p(grsec_socket_all_gid) && -+ (family != AF_UNIX)) { -+ if (family == AF_INET) -+ gr_log_str3(GR_DONT_AUDIT, GR_SOCK_MSG, gr_sockfamily_to_name(family), gr_socktype_to_name(type), gr_proto_to_name(protocol)); -+ else -+ gr_log_str2_int(GR_DONT_AUDIT, GR_SOCK_NOINET_MSG, gr_sockfamily_to_name(family), gr_socktype_to_name(type), protocol); -+ return -EACCES; -+ } -+#endif -+ return 0; -+} -+ -+int -+gr_handle_sock_server(const struct sockaddr *sck) -+{ -+#ifdef CONFIG_GRKERNSEC_SOCKET_SERVER -+ if (grsec_enable_socket_server && -+ in_group_p(grsec_socket_server_gid) && -+ sck && (sck->sa_family != AF_UNIX) && -+ (sck->sa_family != AF_LOCAL)) { -+ gr_log_noargs(GR_DONT_AUDIT, GR_BIND_MSG); -+ return -EACCES; -+ } -+#endif -+ return 0; -+} -+ -+int -+gr_handle_sock_server_other(const struct sock *sck) -+{ -+#ifdef CONFIG_GRKERNSEC_SOCKET_SERVER -+ if (grsec_enable_socket_server && -+ in_group_p(grsec_socket_server_gid) && -+ sck && (sck->sk_family != AF_UNIX) && -+ (sck->sk_family != AF_LOCAL)) { -+ gr_log_noargs(GR_DONT_AUDIT, GR_BIND_MSG); -+ return -EACCES; -+ } -+#endif -+ return 0; -+} -+ -+int -+gr_handle_sock_client(const struct sockaddr *sck) -+{ -+#ifdef CONFIG_GRKERNSEC_SOCKET_CLIENT -+ if (grsec_enable_socket_client && in_group_p(grsec_socket_client_gid) && -+ sck && (sck->sa_family != AF_UNIX) && -+ (sck->sa_family != AF_LOCAL)) { -+ gr_log_noargs(GR_DONT_AUDIT, GR_CONNECT_MSG); -+ return -EACCES; -+ } -+#endif -+ return 0; -+} -diff -urNp linux-2.6.39.3/grsecurity/grsec_sysctl.c linux-2.6.39.3/grsecurity/grsec_sysctl.c ---- linux-2.6.39.3/grsecurity/grsec_sysctl.c 1969-12-31 19:00:00.000000000 -0500 -+++ linux-2.6.39.3/grsecurity/grsec_sysctl.c 2011-06-29 19:38:04.000000000 -0400 -@@ -0,0 +1,442 @@ -+#include <linux/kernel.h> -+#include <linux/sched.h> -+#include <linux/sysctl.h> -+#include <linux/grsecurity.h> -+#include <linux/grinternal.h> -+ -+int -+gr_handle_sysctl_mod(const char *dirname, const char *name, const int op) -+{ -+#ifdef CONFIG_GRKERNSEC_SYSCTL -+ if (!strcmp(dirname, "grsecurity") && grsec_lock && (op & MAY_WRITE)) { -+ gr_log_str(GR_DONT_AUDIT, GR_SYSCTL_MSG, name); -+ return -EACCES; -+ } -+#endif -+ return 0; -+} -+ -+#ifdef CONFIG_GRKERNSEC_ROFS -+static int __maybe_unused one = 1; -+#endif -+ -+#if defined(CONFIG_GRKERNSEC_SYSCTL) || defined(CONFIG_GRKERNSEC_ROFS) -+struct ctl_table grsecurity_table[] = { -+#ifdef CONFIG_GRKERNSEC_SYSCTL -+#ifdef CONFIG_GRKERNSEC_SYSCTL_DISTRO -+#ifdef CONFIG_GRKERNSEC_IO -+ { -+ .procname = "disable_priv_io", -+ .data = &grsec_disable_privio, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+#endif -+#ifdef CONFIG_GRKERNSEC_LINK -+ { -+ .procname = "linking_restrictions", -+ .data = &grsec_enable_link, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_BRUTE -+ { -+ .procname = "deter_bruteforce", -+ .data = &grsec_enable_brute, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_FIFO -+ { -+ .procname = "fifo_restrictions", -+ .data = &grsec_enable_fifo, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_EXECVE -+ { -+ .procname = "execve_limiting", -+ .data = &grsec_enable_execve, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_BLACKHOLE -+ { -+ .procname = "ip_blackhole", -+ .data = &grsec_enable_blackhole, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+ { -+ .procname = "lastack_retries", -+ .data = &grsec_lastack_retries, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_EXECLOG -+ { -+ .procname = "exec_logging", -+ .data = &grsec_enable_execlog, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_RWXMAP_LOG -+ { -+ .procname = "rwxmap_logging", -+ .data = &grsec_enable_log_rwxmaps, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_SIGNAL -+ { -+ .procname = "signal_logging", -+ .data = &grsec_enable_signal, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_FORKFAIL -+ { -+ .procname = "forkfail_logging", -+ .data = &grsec_enable_forkfail, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_TIME -+ { -+ .procname = "timechange_logging", -+ .data = &grsec_enable_time, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_SHMAT -+ { -+ .procname = "chroot_deny_shmat", -+ .data = &grsec_enable_chroot_shmat, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_UNIX -+ { -+ .procname = "chroot_deny_unix", -+ .data = &grsec_enable_chroot_unix, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_MOUNT -+ { -+ .procname = "chroot_deny_mount", -+ .data = &grsec_enable_chroot_mount, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_FCHDIR -+ { -+ .procname = "chroot_deny_fchdir", -+ .data = &grsec_enable_chroot_fchdir, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_DOUBLE -+ { -+ .procname = "chroot_deny_chroot", -+ .data = &grsec_enable_chroot_double, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_PIVOT -+ { -+ .procname = "chroot_deny_pivot", -+ .data = &grsec_enable_chroot_pivot, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_CHDIR -+ { -+ .procname = "chroot_enforce_chdir", -+ .data = &grsec_enable_chroot_chdir, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_CHMOD -+ { -+ .procname = "chroot_deny_chmod", -+ .data = &grsec_enable_chroot_chmod, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_MKNOD -+ { -+ .procname = "chroot_deny_mknod", -+ .data = &grsec_enable_chroot_mknod, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_NICE -+ { -+ .procname = "chroot_restrict_nice", -+ .data = &grsec_enable_chroot_nice, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_EXECLOG -+ { -+ .procname = "chroot_execlog", -+ .data = &grsec_enable_chroot_execlog, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_CAPS -+ { -+ .procname = "chroot_caps", -+ .data = &grsec_enable_chroot_caps, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_SYSCTL -+ { -+ .procname = "chroot_deny_sysctl", -+ .data = &grsec_enable_chroot_sysctl, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_TPE -+ { -+ .procname = "tpe", -+ .data = &grsec_enable_tpe, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+ { -+ .procname = "tpe_gid", -+ .data = &grsec_tpe_gid, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_TPE_INVERT -+ { -+ .procname = "tpe_invert", -+ .data = &grsec_enable_tpe_invert, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_TPE_ALL -+ { -+ .procname = "tpe_restrict_all", -+ .data = &grsec_enable_tpe_all, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_SOCKET_ALL -+ { -+ .procname = "socket_all", -+ .data = &grsec_enable_socket_all, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+ { -+ .procname = "socket_all_gid", -+ .data = &grsec_socket_all_gid, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_SOCKET_CLIENT -+ { -+ .procname = "socket_client", -+ .data = &grsec_enable_socket_client, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+ { -+ .procname = "socket_client_gid", -+ .data = &grsec_socket_client_gid, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_SOCKET_SERVER -+ { -+ .procname = "socket_server", -+ .data = &grsec_enable_socket_server, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+ { -+ .procname = "socket_server_gid", -+ .data = &grsec_socket_server_gid, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_AUDIT_GROUP -+ { -+ .procname = "audit_group", -+ .data = &grsec_enable_group, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+ { -+ .procname = "audit_gid", -+ .data = &grsec_audit_gid, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_AUDIT_CHDIR -+ { -+ .procname = "audit_chdir", -+ .data = &grsec_enable_chdir, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_AUDIT_MOUNT -+ { -+ .procname = "audit_mount", -+ .data = &grsec_enable_mount, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_AUDIT_TEXTREL -+ { -+ .procname = "audit_textrel", -+ .data = &grsec_enable_audit_textrel, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_DMESG -+ { -+ .procname = "dmesg", -+ .data = &grsec_enable_dmesg, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_CHROOT_FINDTASK -+ { -+ .procname = "chroot_findtask", -+ .data = &grsec_enable_chroot_findtask, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_RESLOG -+ { -+ .procname = "resource_logging", -+ .data = &grsec_resource_logging, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_AUDIT_PTRACE -+ { -+ .procname = "audit_ptrace", -+ .data = &grsec_enable_audit_ptrace, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_HARDEN_PTRACE -+ { -+ .procname = "harden_ptrace", -+ .data = &grsec_enable_harden_ptrace, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+ { -+ .procname = "grsec_lock", -+ .data = &grsec_lock, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+#endif -+#ifdef CONFIG_GRKERNSEC_ROFS -+ { -+ .procname = "romount_protect", -+ .data = &grsec_enable_rofs, -+ .maxlen = sizeof(int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec_minmax, -+ .extra1 = &one, -+ .extra2 = &one, -+ }, -+#endif -+ { } -+}; -+#endif -diff -urNp linux-2.6.39.3/grsecurity/grsec_time.c linux-2.6.39.3/grsecurity/grsec_time.c ---- linux-2.6.39.3/grsecurity/grsec_time.c 1969-12-31 19:00:00.000000000 -0500 -+++ linux-2.6.39.3/grsecurity/grsec_time.c 2011-05-22 19:41:42.000000000 -0400 -@@ -0,0 +1,16 @@ -+#include <linux/kernel.h> -+#include <linux/sched.h> -+#include <linux/grinternal.h> -+#include <linux/module.h> -+ -+void -+gr_log_timechange(void) -+{ -+#ifdef CONFIG_GRKERNSEC_TIME -+ if (grsec_enable_time) -+ gr_log_noargs(GR_DONT_AUDIT_GOOD, GR_TIME_MSG); -+#endif -+ return; -+} -+ -+EXPORT_SYMBOL(gr_log_timechange); -diff -urNp linux-2.6.39.3/grsecurity/grsec_tpe.c linux-2.6.39.3/grsecurity/grsec_tpe.c ---- linux-2.6.39.3/grsecurity/grsec_tpe.c 1969-12-31 19:00:00.000000000 -0500 -+++ linux-2.6.39.3/grsecurity/grsec_tpe.c 2011-05-22 19:41:42.000000000 -0400 -@@ -0,0 +1,39 @@ -+#include <linux/kernel.h> -+#include <linux/sched.h> -+#include <linux/file.h> -+#include <linux/fs.h> -+#include <linux/grinternal.h> -+ -+extern int gr_acl_tpe_check(void); -+ -+int -+gr_tpe_allow(const struct file *file) -+{ -+#ifdef CONFIG_GRKERNSEC -+ struct inode *inode = file->f_path.dentry->d_parent->d_inode; -+ const struct cred *cred = current_cred(); -+ -+ if (cred->uid && ((grsec_enable_tpe && -+#ifdef CONFIG_GRKERNSEC_TPE_INVERT -+ ((grsec_enable_tpe_invert && !in_group_p(grsec_tpe_gid)) || -+ (!grsec_enable_tpe_invert && in_group_p(grsec_tpe_gid))) -+#else -+ in_group_p(grsec_tpe_gid) -+#endif -+ ) || gr_acl_tpe_check()) && -+ (inode->i_uid || (!inode->i_uid && ((inode->i_mode & S_IWGRP) || -+ (inode->i_mode & S_IWOTH))))) { -+ gr_log_fs_generic(GR_DONT_AUDIT, GR_EXEC_TPE_MSG, file->f_path.dentry, file->f_path.mnt); -+ return 0; -+ } -+#ifdef CONFIG_GRKERNSEC_TPE_ALL -+ if (cred->uid && grsec_enable_tpe && grsec_enable_tpe_all && -+ ((inode->i_uid && (inode->i_uid != cred->uid)) || -+ (inode->i_mode & S_IWGRP) || (inode->i_mode & S_IWOTH))) { -+ gr_log_fs_generic(GR_DONT_AUDIT, GR_EXEC_TPE_MSG, file->f_path.dentry, file->f_path.mnt); -+ return 0; -+ } -+#endif -+#endif -+ return 1; -+} -diff -urNp linux-2.6.39.3/grsecurity/grsum.c linux-2.6.39.3/grsecurity/grsum.c ---- linux-2.6.39.3/grsecurity/grsum.c 1969-12-31 19:00:00.000000000 -0500 -+++ linux-2.6.39.3/grsecurity/grsum.c 2011-05-22 19:41:42.000000000 -0400 -@@ -0,0 +1,61 @@ -+#include <linux/err.h> -+#include <linux/kernel.h> -+#include <linux/sched.h> -+#include <linux/mm.h> -+#include <linux/scatterlist.h> -+#include <linux/crypto.h> -+#include <linux/gracl.h> -+ -+ -+#if !defined(CONFIG_CRYPTO) || defined(CONFIG_CRYPTO_MODULE) || !defined(CONFIG_CRYPTO_SHA256) || defined(CONFIG_CRYPTO_SHA256_MODULE) -+#error "crypto and sha256 must be built into the kernel" -+#endif -+ -+int -+chkpw(struct gr_arg *entry, unsigned char *salt, unsigned char *sum) -+{ -+ char *p; -+ struct crypto_hash *tfm; -+ struct hash_desc desc; -+ struct scatterlist sg; -+ unsigned char temp_sum[GR_SHA_LEN]; -+ volatile int retval = 0; -+ volatile int dummy = 0; -+ unsigned int i; -+ -+ sg_init_table(&sg, 1); -+ -+ tfm = crypto_alloc_hash("sha256", 0, CRYPTO_ALG_ASYNC); -+ if (IS_ERR(tfm)) { -+ /* should never happen, since sha256 should be built in */ -+ return 1; -+ } -+ -+ desc.tfm = tfm; -+ desc.flags = 0; -+ -+ crypto_hash_init(&desc); -+ -+ p = salt; -+ sg_set_buf(&sg, p, GR_SALT_LEN); -+ crypto_hash_update(&desc, &sg, sg.length); -+ -+ p = entry->pw; -+ sg_set_buf(&sg, p, strlen(p)); -+ -+ crypto_hash_update(&desc, &sg, sg.length); -+ -+ crypto_hash_final(&desc, temp_sum); -+ -+ memset(entry->pw, 0, GR_PW_LEN); -+ -+ for (i = 0; i < GR_SHA_LEN; i++) -+ if (sum[i] != temp_sum[i]) -+ retval = 1; -+ else -+ dummy = 1; // waste a cycle -+ -+ crypto_free_hash(tfm); -+ -+ return retval; -+} -diff -urNp linux-2.6.39.3/grsecurity/Kconfig linux-2.6.39.3/grsecurity/Kconfig ---- linux-2.6.39.3/grsecurity/Kconfig 1969-12-31 19:00:00.000000000 -0500 -+++ linux-2.6.39.3/grsecurity/Kconfig 2011-07-06 19:58:30.000000000 -0400 -@@ -0,0 +1,1048 @@ -+# -+# grecurity configuration -+# -+ -+menu "Grsecurity" -+ -+config GRKERNSEC -+ bool "Grsecurity" -+ select CRYPTO -+ select CRYPTO_SHA256 -+ help -+ If you say Y here, you will be able to configure many features -+ that will enhance the security of your system. It is highly -+ recommended that you say Y here and read through the help -+ for each option so that you fully understand the features and -+ can evaluate their usefulness for your machine. -+ -+choice -+ prompt "Security Level" -+ depends on GRKERNSEC -+ default GRKERNSEC_CUSTOM -+ -+config GRKERNSEC_LOW -+ bool "Low" -+ select GRKERNSEC_LINK -+ select GRKERNSEC_FIFO -+ select GRKERNSEC_EXECVE -+ select GRKERNSEC_RANDNET -+ select GRKERNSEC_DMESG -+ select GRKERNSEC_CHROOT -+ select GRKERNSEC_CHROOT_CHDIR -+ -+ help -+ If you choose this option, several of the grsecurity options will -+ be enabled that will give you greater protection against a number -+ of attacks, while assuring that none of your software will have any -+ conflicts with the additional security measures. If you run a lot -+ of unusual software, or you are having problems with the higher -+ security levels, you should say Y here. With this option, the -+ following features are enabled: -+ -+ - Linking restrictions -+ - FIFO restrictions -+ - Enforcing RLIMIT_NPROC on execve -+ - Restricted dmesg -+ - Enforced chdir("/") on chroot -+ - Runtime module disabling -+ -+config GRKERNSEC_MEDIUM -+ bool "Medium" -+ select PAX -+ select PAX_EI_PAX -+ select PAX_PT_PAX_FLAGS -+ select PAX_HAVE_ACL_FLAGS -+ select GRKERNSEC_PROC_MEMMAP if (PAX_NOEXEC || PAX_ASLR) -+ select GRKERNSEC_CHROOT -+ select GRKERNSEC_CHROOT_SYSCTL -+ select GRKERNSEC_LINK -+ select GRKERNSEC_FIFO -+ select GRKERNSEC_EXECVE -+ select GRKERNSEC_DMESG -+ select GRKERNSEC_RANDNET -+ select GRKERNSEC_FORKFAIL -+ select GRKERNSEC_TIME -+ select GRKERNSEC_SIGNAL -+ select GRKERNSEC_CHROOT -+ select GRKERNSEC_CHROOT_UNIX -+ select GRKERNSEC_CHROOT_MOUNT -+ select GRKERNSEC_CHROOT_PIVOT -+ select GRKERNSEC_CHROOT_DOUBLE -+ select GRKERNSEC_CHROOT_CHDIR -+ select GRKERNSEC_CHROOT_MKNOD -+ select GRKERNSEC_PROC -+ select GRKERNSEC_PROC_USERGROUP -+ select PAX_RANDUSTACK -+ select PAX_ASLR -+ select PAX_RANDMMAP -+ select PAX_REFCOUNT if (X86 || SPARC64) -+ select PAX_USERCOPY if ((X86 || SPARC || PPC || ARM) && (SLAB || SLUB || SLOB)) -+ -+ help -+ If you say Y here, several features in addition to those included -+ in the low additional security level will be enabled. These -+ features provide even more security to your system, though in rare -+ cases they may be incompatible with very old or poorly written -+ software. If you enable this option, make sure that your auth -+ service (identd) is running as gid 1001. With this option, -+ the following features (in addition to those provided in the -+ low additional security level) will be enabled: -+ -+ - Failed fork logging -+ - Time change logging -+ - Signal logging -+ - Deny mounts in chroot -+ - Deny double chrooting -+ - Deny sysctl writes in chroot -+ - Deny mknod in chroot -+ - Deny access to abstract AF_UNIX sockets out of chroot -+ - Deny pivot_root in chroot -+ - Denied writes of /dev/kmem, /dev/mem, and /dev/port -+ - /proc restrictions with special GID set to 10 (usually wheel) -+ - Address Space Layout Randomization (ASLR) -+ - Prevent exploitation of most refcount overflows -+ - Bounds checking of copying between the kernel and userland -+ -+config GRKERNSEC_HIGH -+ bool "High" -+ select GRKERNSEC_LINK -+ select GRKERNSEC_FIFO -+ select GRKERNSEC_EXECVE -+ select GRKERNSEC_DMESG -+ select GRKERNSEC_FORKFAIL -+ select GRKERNSEC_TIME -+ select GRKERNSEC_SIGNAL -+ select GRKERNSEC_CHROOT -+ select GRKERNSEC_CHROOT_SHMAT -+ select GRKERNSEC_CHROOT_UNIX -+ select GRKERNSEC_CHROOT_MOUNT -+ select GRKERNSEC_CHROOT_FCHDIR -+ select GRKERNSEC_CHROOT_PIVOT -+ select GRKERNSEC_CHROOT_DOUBLE -+ select GRKERNSEC_CHROOT_CHDIR -+ select GRKERNSEC_CHROOT_MKNOD -+ select GRKERNSEC_CHROOT_CAPS -+ select GRKERNSEC_CHROOT_SYSCTL -+ select GRKERNSEC_CHROOT_FINDTASK -+ select GRKERNSEC_SYSFS_RESTRICT -+ select GRKERNSEC_PROC -+ select GRKERNSEC_PROC_MEMMAP if (PAX_NOEXEC || PAX_ASLR) -+ select GRKERNSEC_HIDESYM -+ select GRKERNSEC_BRUTE -+ select GRKERNSEC_PROC_USERGROUP -+ select GRKERNSEC_KMEM -+ select GRKERNSEC_RESLOG -+ select GRKERNSEC_RANDNET -+ select GRKERNSEC_PROC_ADD -+ select GRKERNSEC_CHROOT_CHMOD -+ select GRKERNSEC_CHROOT_NICE -+ select GRKERNSEC_AUDIT_MOUNT -+ select GRKERNSEC_MODHARDEN if (MODULES) -+ select GRKERNSEC_HARDEN_PTRACE -+ select GRKERNSEC_VM86 if (X86_32) -+ select GRKERNSEC_KERN_LOCKOUT if (X86 || ARM || PPC || SPARC) -+ select PAX -+ select PAX_RANDUSTACK -+ select PAX_ASLR -+ select PAX_RANDMMAP -+ select PAX_NOEXEC -+ select PAX_MPROTECT -+ select PAX_EI_PAX -+ select PAX_PT_PAX_FLAGS -+ select PAX_HAVE_ACL_FLAGS -+ select PAX_KERNEXEC if ((PPC || X86) && (!X86_32 || X86_WP_WORKS_OK) && !XEN) -+ select PAX_MEMORY_UDEREF if (X86 && !XEN) -+ select PAX_RANDKSTACK if (X86_TSC && X86) -+ select PAX_SEGMEXEC if (X86_32) -+ select PAX_PAGEEXEC -+ select PAX_EMUPLT if (ALPHA || PARISC || SPARC) -+ select PAX_EMUTRAMP if (PARISC) -+ select PAX_EMUSIGRT if (PARISC) -+ select PAX_ETEXECRELOCS if (ALPHA || IA64 || PARISC) -+ select PAX_ELFRELOCS if (PAX_ETEXECRELOCS || (IA64 || PPC || X86)) -+ select PAX_REFCOUNT if (X86 || SPARC64) -+ select PAX_USERCOPY if ((X86 || PPC || SPARC || ARM) && (SLAB || SLUB || SLOB)) -+ help -+ If you say Y here, many of the features of grsecurity will be -+ enabled, which will protect you against many kinds of attacks -+ against your system. The heightened security comes at a cost -+ of an increased chance of incompatibilities with rare software -+ on your machine. Since this security level enables PaX, you should -+ view <http://pax.grsecurity.net> and read about the PaX -+ project. While you are there, download chpax and run it on -+ binaries that cause problems with PaX. Also remember that -+ since the /proc restrictions are enabled, you must run your -+ identd as gid 1001. This security level enables the following -+ features in addition to those listed in the low and medium -+ security levels: -+ -+ - Additional /proc restrictions -+ - Chmod restrictions in chroot -+ - No signals, ptrace, or viewing of processes outside of chroot -+ - Capability restrictions in chroot -+ - Deny fchdir out of chroot -+ - Priority restrictions in chroot -+ - Segmentation-based implementation of PaX -+ - Mprotect restrictions -+ - Removal of addresses from /proc/<pid>/[smaps|maps|stat] -+ - Kernel stack randomization -+ - Mount/unmount/remount logging -+ - Kernel symbol hiding -+ - Prevention of memory exhaustion-based exploits -+ - Hardening of module auto-loading -+ - Ptrace restrictions -+ - Restricted vm86 mode -+ - Restricted sysfs/debugfs -+ - Active kernel exploit response -+ -+config GRKERNSEC_CUSTOM -+ bool "Custom" -+ help -+ If you say Y here, you will be able to configure every grsecurity -+ option, which allows you to enable many more features that aren't -+ covered in the basic security levels. These additional features -+ include TPE, socket restrictions, and the sysctl system for -+ grsecurity. It is advised that you read through the help for -+ each option to determine its usefulness in your situation. -+ -+endchoice -+ -+menu "Address Space Protection" -+depends on GRKERNSEC -+ -+config GRKERNSEC_KMEM -+ bool "Deny writing to /dev/kmem, /dev/mem, and /dev/port" -+ select STRICT_DEVMEM if (X86 || ARM || TILE || S390) -+ help -+ If you say Y here, /dev/kmem and /dev/mem won't be allowed to -+ be written to via mmap or otherwise to modify the running kernel. -+ /dev/port will also not be allowed to be opened. If you have module -+ support disabled, enabling this will close up four ways that are -+ currently used to insert malicious code into the running kernel. -+ Even with all these features enabled, we still highly recommend that -+ you use the RBAC system, as it is still possible for an attacker to -+ modify the running kernel through privileged I/O granted by ioperm/iopl. -+ If you are not using XFree86, you may be able to stop this additional -+ case by enabling the 'Disable privileged I/O' option. Though nothing -+ legitimately writes to /dev/kmem, XFree86 does need to write to /dev/mem, -+ but only to video memory, which is the only writing we allow in this -+ case. If /dev/kmem or /dev/mem are mmaped without PROT_WRITE, they will -+ not be allowed to mprotect it with PROT_WRITE later. -+ It is highly recommended that you say Y here if you meet all the -+ conditions above. -+ -+config GRKERNSEC_VM86 -+ bool "Restrict VM86 mode" -+ depends on X86_32 -+ -+ help -+ If you say Y here, only processes with CAP_SYS_RAWIO will be able to -+ make use of a special execution mode on 32bit x86 processors called -+ Virtual 8086 (VM86) mode. XFree86 may need vm86 mode for certain -+ video cards and will still work with this option enabled. The purpose -+ of the option is to prevent exploitation of emulation errors in -+ virtualization of vm86 mode like the one discovered in VMWare in 2009. -+ Nearly all users should be able to enable this option. -+ -+config GRKERNSEC_IO -+ bool "Disable privileged I/O" -+ depends on X86 -+ select RTC_CLASS -+ select RTC_INTF_DEV -+ select RTC_DRV_CMOS -+ -+ help -+ If you say Y here, all ioperm and iopl calls will return an error. -+ Ioperm and iopl can be used to modify the running kernel. -+ Unfortunately, some programs need this access to operate properly, -+ the most notable of which are XFree86 and hwclock. hwclock can be -+ remedied by having RTC support in the kernel, so real-time -+ clock support is enabled if this option is enabled, to ensure -+ that hwclock operates correctly. XFree86 still will not -+ operate correctly with this option enabled, so DO NOT CHOOSE Y -+ IF YOU USE XFree86. If you use XFree86 and you still want to -+ protect your kernel against modification, use the RBAC system. -+ -+config GRKERNSEC_PROC_MEMMAP -+ bool "Remove addresses from /proc/<pid>/[smaps|maps|stat]" -+ default y if (PAX_NOEXEC || PAX_ASLR) -+ depends on PAX_NOEXEC || PAX_ASLR -+ help -+ If you say Y here, the /proc/<pid>/maps and /proc/<pid>/stat files will -+ give no information about the addresses of its mappings if -+ PaX features that rely on random addresses are enabled on the task. -+ If you use PaX it is greatly recommended that you say Y here as it -+ closes up a hole that makes the full ASLR useless for suid -+ binaries. -+ -+config GRKERNSEC_BRUTE -+ bool "Deter exploit bruteforcing" -+ help -+ If you say Y here, attempts to bruteforce exploits against forking -+ daemons such as apache or sshd, as well as against suid/sgid binaries -+ will be deterred. When a child of a forking daemon is killed by PaX -+ or crashes due to an illegal instruction or other suspicious signal, -+ the parent process will be delayed 30 seconds upon every subsequent -+ fork until the administrator is able to assess the situation and -+ restart the daemon. -+ In the suid/sgid case, the attempt is logged, the user has all their -+ processes terminated, and they are prevented from executing any further -+ processes for 15 minutes. -+ It is recommended that you also enable signal logging in the auditing -+ section so that logs are generated when a process triggers a suspicious -+ signal. -+ If the sysctl option is enabled, a sysctl option with name -+ "deter_bruteforce" is created. -+ -+ -+config GRKERNSEC_MODHARDEN -+ bool "Harden module auto-loading" -+ depends on MODULES -+ help -+ If you say Y here, module auto-loading in response to use of some -+ feature implemented by an unloaded module will be restricted to -+ root users. Enabling this option helps defend against attacks -+ by unprivileged users who abuse the auto-loading behavior to -+ cause a vulnerable module to load that is then exploited. -+ -+ If this option prevents a legitimate use of auto-loading for a -+ non-root user, the administrator can execute modprobe manually -+ with the exact name of the module mentioned in the alert log. -+ Alternatively, the administrator can add the module to the list -+ of modules loaded at boot by modifying init scripts. -+ -+ Modification of init scripts will most likely be needed on -+ Ubuntu servers with encrypted home directory support enabled, -+ as the first non-root user logging in will cause the ecb(aes), -+ ecb(aes)-all, cbc(aes), and cbc(aes)-all modules to be loaded. -+ -+config GRKERNSEC_HIDESYM -+ bool "Hide kernel symbols" -+ help -+ If you say Y here, getting information on loaded modules, and -+ displaying all kernel symbols through a syscall will be restricted -+ to users with CAP_SYS_MODULE. For software compatibility reasons, -+ /proc/kallsyms will be restricted to the root user. The RBAC -+ system can hide that entry even from root. -+ -+ This option also prevents leaking of kernel addresses through -+ several /proc entries. -+ -+ Note that this option is only effective provided the following -+ conditions are met: -+ 1) The kernel using grsecurity is not precompiled by some distribution -+ 2) You have also enabled GRKERNSEC_DMESG -+ 3) You are using the RBAC system and hiding other files such as your -+ kernel image and System.map. Alternatively, enabling this option -+ causes the permissions on /boot, /lib/modules, and the kernel -+ source directory to change at compile time to prevent -+ reading by non-root users. -+ If the above conditions are met, this option will aid in providing a -+ useful protection against local kernel exploitation of overflows -+ and arbitrary read/write vulnerabilities. -+ -+config GRKERNSEC_KERN_LOCKOUT -+ bool "Active kernel exploit response" -+ depends on X86 || ARM || PPC || SPARC -+ help -+ If you say Y here, when a PaX alert is triggered due to suspicious -+ activity in the kernel (from KERNEXEC/UDEREF/USERCOPY) -+ or an OOPs occurs due to bad memory accesses, instead of just -+ terminating the offending process (and potentially allowing -+ a subsequent exploit from the same user), we will take one of two -+ actions: -+ If the user was root, we will panic the system -+ If the user was non-root, we will log the attempt, terminate -+ all processes owned by the user, then prevent them from creating -+ any new processes until the system is restarted -+ This deters repeated kernel exploitation/bruteforcing attempts -+ and is useful for later forensics. -+ -+endmenu -+menu "Role Based Access Control Options" -+depends on GRKERNSEC -+ -+config GRKERNSEC_RBAC_DEBUG -+ bool -+ -+config GRKERNSEC_NO_RBAC -+ bool "Disable RBAC system" -+ help -+ If you say Y here, the /dev/grsec device will be removed from the kernel, -+ preventing the RBAC system from being enabled. You should only say Y -+ here if you have no intention of using the RBAC system, so as to prevent -+ an attacker with root access from misusing the RBAC system to hide files -+ and processes when loadable module support and /dev/[k]mem have been -+ locked down. -+ -+config GRKERNSEC_ACL_HIDEKERN -+ bool "Hide kernel processes" -+ help -+ If you say Y here, all kernel threads will be hidden to all -+ processes but those whose subject has the "view hidden processes" -+ flag. -+ -+config GRKERNSEC_ACL_MAXTRIES -+ int "Maximum tries before password lockout" -+ default 3 -+ help -+ This option enforces the maximum number of times a user can attempt -+ to authorize themselves with the grsecurity RBAC system before being -+ denied the ability to attempt authorization again for a specified time. -+ The lower the number, the harder it will be to brute-force a password. -+ -+config GRKERNSEC_ACL_TIMEOUT -+ int "Time to wait after max password tries, in seconds" -+ default 30 -+ help -+ This option specifies the time the user must wait after attempting to -+ authorize to the RBAC system with the maximum number of invalid -+ passwords. The higher the number, the harder it will be to brute-force -+ a password. -+ -+endmenu -+menu "Filesystem Protections" -+depends on GRKERNSEC -+ -+config GRKERNSEC_PROC -+ bool "Proc restrictions" -+ help -+ If you say Y here, the permissions of the /proc filesystem -+ will be altered to enhance system security and privacy. You MUST -+ choose either a user only restriction or a user and group restriction. -+ Depending upon the option you choose, you can either restrict users to -+ see only the processes they themselves run, or choose a group that can -+ view all processes and files normally restricted to root if you choose -+ the "restrict to user only" option. NOTE: If you're running identd as -+ a non-root user, you will have to run it as the group you specify here. -+ -+config GRKERNSEC_PROC_USER -+ bool "Restrict /proc to user only" -+ depends on GRKERNSEC_PROC -+ help -+ If you say Y here, non-root users will only be able to view their own -+ processes, and restricts them from viewing network-related information, -+ and viewing kernel symbol and module information. -+ -+config GRKERNSEC_PROC_USERGROUP -+ bool "Allow special group" -+ depends on GRKERNSEC_PROC && !GRKERNSEC_PROC_USER -+ help -+ If you say Y here, you will be able to select a group that will be -+ able to view all processes and network-related information. If you've -+ enabled GRKERNSEC_HIDESYM, kernel and symbol information may still -+ remain hidden. This option is useful if you want to run identd as -+ a non-root user. -+ -+config GRKERNSEC_PROC_GID -+ int "GID for special group" -+ depends on GRKERNSEC_PROC_USERGROUP -+ default 1001 -+ -+config GRKERNSEC_PROC_ADD -+ bool "Additional restrictions" -+ depends on GRKERNSEC_PROC_USER || GRKERNSEC_PROC_USERGROUP -+ help -+ If you say Y here, additional restrictions will be placed on -+ /proc that keep normal users from viewing device information and -+ slabinfo information that could be useful for exploits. -+ -+config GRKERNSEC_LINK -+ bool "Linking restrictions" -+ help -+ If you say Y here, /tmp race exploits will be prevented, since users -+ will no longer be able to follow symlinks owned by other users in -+ world-writable +t directories (e.g. /tmp), unless the owner of the -+ symlink is the owner of the directory. users will also not be -+ able to hardlink to files they do not own. If the sysctl option is -+ enabled, a sysctl option with name "linking_restrictions" is created. -+ -+config GRKERNSEC_FIFO -+ bool "FIFO restrictions" -+ help -+ If you say Y here, users will not be able to write to FIFOs they don't -+ own in world-writable +t directories (e.g. /tmp), unless the owner of -+ the FIFO is the same owner of the directory it's held in. If the sysctl -+ option is enabled, a sysctl option with name "fifo_restrictions" is -+ created. -+ -+config GRKERNSEC_SYSFS_RESTRICT -+ bool "Sysfs/debugfs restriction" -+ depends on SYSFS -+ help -+ If you say Y here, sysfs (the pseudo-filesystem mounted at /sys) and -+ any filesystem normally mounted under it (e.g. debugfs) will only -+ be accessible by root. These filesystems generally provide access -+ to hardware and debug information that isn't appropriate for unprivileged -+ users of the system. Sysfs and debugfs have also become a large source -+ of new vulnerabilities, ranging from infoleaks to local compromise. -+ There has been very little oversight with an eye toward security involved -+ in adding new exporters of information to these filesystems, so their -+ use is discouraged. -+ This option is equivalent to a chmod 0700 of the mount paths. -+ -+config GRKERNSEC_ROFS -+ bool "Runtime read-only mount protection" -+ help -+ If you say Y here, a sysctl option with name "romount_protect" will -+ be created. By setting this option to 1 at runtime, filesystems -+ will be protected in the following ways: -+ * No new writable mounts will be allowed -+ * Existing read-only mounts won't be able to be remounted read/write -+ * Write operations will be denied on all block devices -+ This option acts independently of grsec_lock: once it is set to 1, -+ it cannot be turned off. Therefore, please be mindful of the resulting -+ behavior if this option is enabled in an init script on a read-only -+ filesystem. This feature is mainly intended for secure embedded systems. -+ -+config GRKERNSEC_CHROOT -+ bool "Chroot jail restrictions" -+ help -+ If you say Y here, you will be able to choose several options that will -+ make breaking out of a chrooted jail much more difficult. If you -+ encounter no software incompatibilities with the following options, it -+ is recommended that you enable each one. -+ -+config GRKERNSEC_CHROOT_MOUNT -+ bool "Deny mounts" -+ depends on GRKERNSEC_CHROOT -+ help -+ If you say Y here, processes inside a chroot will not be able to -+ mount or remount filesystems. If the sysctl option is enabled, a -+ sysctl option with name "chroot_deny_mount" is created. -+ -+config GRKERNSEC_CHROOT_DOUBLE -+ bool "Deny double-chroots" -+ depends on GRKERNSEC_CHROOT -+ help -+ If you say Y here, processes inside a chroot will not be able to chroot -+ again outside the chroot. This is a widely used method of breaking -+ out of a chroot jail and should not be allowed. If the sysctl -+ option is enabled, a sysctl option with name -+ "chroot_deny_chroot" is created. -+ -+config GRKERNSEC_CHROOT_PIVOT -+ bool "Deny pivot_root in chroot" -+ depends on GRKERNSEC_CHROOT -+ help -+ If you say Y here, processes inside a chroot will not be able to use -+ a function called pivot_root() that was introduced in Linux 2.3.41. It -+ works similar to chroot in that it changes the root filesystem. This -+ function could be misused in a chrooted process to attempt to break out -+ of the chroot, and therefore should not be allowed. If the sysctl -+ option is enabled, a sysctl option with name "chroot_deny_pivot" is -+ created. -+ -+config GRKERNSEC_CHROOT_CHDIR -+ bool "Enforce chdir(\"/\") on all chroots" -+ depends on GRKERNSEC_CHROOT -+ help -+ If you say Y here, the current working directory of all newly-chrooted -+ applications will be set to the the root directory of the chroot. -+ The man page on chroot(2) states: -+ Note that this call does not change the current working -+ directory, so that `.' can be outside the tree rooted at -+ `/'. In particular, the super-user can escape from a -+ `chroot jail' by doing `mkdir foo; chroot foo; cd ..'. -+ -+ It is recommended that you say Y here, since it's not known to break -+ any software. If the sysctl option is enabled, a sysctl option with -+ name "chroot_enforce_chdir" is created. -+ -+config GRKERNSEC_CHROOT_CHMOD -+ bool "Deny (f)chmod +s" -+ depends on GRKERNSEC_CHROOT -+ help -+ If you say Y here, processes inside a chroot will not be able to chmod -+ or fchmod files to make them have suid or sgid bits. This protects -+ against another published method of breaking a chroot. If the sysctl -+ option is enabled, a sysctl option with name "chroot_deny_chmod" is -+ created. -+ -+config GRKERNSEC_CHROOT_FCHDIR -+ bool "Deny fchdir out of chroot" -+ depends on GRKERNSEC_CHROOT -+ help -+ If you say Y here, a well-known method of breaking chroots by fchdir'ing -+ to a file descriptor of the chrooting process that points to a directory -+ outside the filesystem will be stopped. If the sysctl option -+ is enabled, a sysctl option with name "chroot_deny_fchdir" is created. -+ -+config GRKERNSEC_CHROOT_MKNOD -+ bool "Deny mknod" -+ depends on GRKERNSEC_CHROOT -+ help -+ If you say Y here, processes inside a chroot will not be allowed to -+ mknod. The problem with using mknod inside a chroot is that it -+ would allow an attacker to create a device entry that is the same -+ as one on the physical root of your system, which could range from -+ anything from the console device to a device for your harddrive (which -+ they could then use to wipe the drive or steal data). It is recommended -+ that you say Y here, unless you run into software incompatibilities. -+ If the sysctl option is enabled, a sysctl option with name -+ "chroot_deny_mknod" is created. -+ -+config GRKERNSEC_CHROOT_SHMAT -+ bool "Deny shmat() out of chroot" -+ depends on GRKERNSEC_CHROOT -+ help -+ If you say Y here, processes inside a chroot will not be able to attach -+ to shared memory segments that were created outside of the chroot jail. -+ It is recommended that you say Y here. If the sysctl option is enabled, -+ a sysctl option with name "chroot_deny_shmat" is created. -+ -+config GRKERNSEC_CHROOT_UNIX -+ bool "Deny access to abstract AF_UNIX sockets out of chroot" -+ depends on GRKERNSEC_CHROOT -+ help -+ If you say Y here, processes inside a chroot will not be able to -+ connect to abstract (meaning not belonging to a filesystem) Unix -+ domain sockets that were bound outside of a chroot. It is recommended -+ that you say Y here. If the sysctl option is enabled, a sysctl option -+ with name "chroot_deny_unix" is created. -+ -+config GRKERNSEC_CHROOT_FINDTASK -+ bool "Protect outside processes" -+ depends on GRKERNSEC_CHROOT -+ help -+ If you say Y here, processes inside a chroot will not be able to -+ kill, send signals with fcntl, ptrace, capget, getpgid, setpgid, -+ getsid, or view any process outside of the chroot. If the sysctl -+ option is enabled, a sysctl option with name "chroot_findtask" is -+ created. -+ -+config GRKERNSEC_CHROOT_NICE -+ bool "Restrict priority changes" -+ depends on GRKERNSEC_CHROOT -+ help -+ If you say Y here, processes inside a chroot will not be able to raise -+ the priority of processes in the chroot, or alter the priority of -+ processes outside the chroot. This provides more security than simply -+ removing CAP_SYS_NICE from the process' capability set. If the -+ sysctl option is enabled, a sysctl option with name "chroot_restrict_nice" -+ is created. -+ -+config GRKERNSEC_CHROOT_SYSCTL -+ bool "Deny sysctl writes" -+ depends on GRKERNSEC_CHROOT -+ help -+ If you say Y here, an attacker in a chroot will not be able to -+ write to sysctl entries, either by sysctl(2) or through a /proc -+ interface. It is strongly recommended that you say Y here. If the -+ sysctl option is enabled, a sysctl option with name -+ "chroot_deny_sysctl" is created. -+ -+config GRKERNSEC_CHROOT_CAPS -+ bool "Capability restrictions" -+ depends on GRKERNSEC_CHROOT -+ help -+ If you say Y here, the capabilities on all root processes within a -+ chroot jail will be lowered to stop module insertion, raw i/o, -+ system and net admin tasks, rebooting the system, modifying immutable -+ files, modifying IPC owned by another, and changing the system time. -+ This is left an option because it can break some apps. Disable this -+ if your chrooted apps are having problems performing those kinds of -+ tasks. If the sysctl option is enabled, a sysctl option with -+ name "chroot_caps" is created. -+ -+endmenu -+menu "Kernel Auditing" -+depends on GRKERNSEC -+ -+config GRKERNSEC_AUDIT_GROUP -+ bool "Single group for auditing" -+ help -+ If you say Y here, the exec, chdir, and (un)mount logging features -+ will only operate on a group you specify. This option is recommended -+ if you only want to watch certain users instead of having a large -+ amount of logs from the entire system. If the sysctl option is enabled, -+ a sysctl option with name "audit_group" is created. -+ -+config GRKERNSEC_AUDIT_GID -+ int "GID for auditing" -+ depends on GRKERNSEC_AUDIT_GROUP -+ default 1007 -+ -+config GRKERNSEC_EXECLOG -+ bool "Exec logging" -+ help -+ If you say Y here, all execve() calls will be logged (since the -+ other exec*() calls are frontends to execve(), all execution -+ will be logged). Useful for shell-servers that like to keep track -+ of their users. If the sysctl option is enabled, a sysctl option with -+ name "exec_logging" is created. -+ WARNING: This option when enabled will produce a LOT of logs, especially -+ on an active system. -+ -+config GRKERNSEC_RESLOG -+ bool "Resource logging" -+ help -+ If you say Y here, all attempts to overstep resource limits will -+ be logged with the resource name, the requested size, and the current -+ limit. It is highly recommended that you say Y here. If the sysctl -+ option is enabled, a sysctl option with name "resource_logging" is -+ created. If the RBAC system is enabled, the sysctl value is ignored. -+ -+config GRKERNSEC_CHROOT_EXECLOG -+ bool "Log execs within chroot" -+ help -+ If you say Y here, all executions inside a chroot jail will be logged -+ to syslog. This can cause a large amount of logs if certain -+ applications (eg. djb's daemontools) are installed on the system, and -+ is therefore left as an option. If the sysctl option is enabled, a -+ sysctl option with name "chroot_execlog" is created. -+ -+config GRKERNSEC_AUDIT_PTRACE -+ bool "Ptrace logging" -+ help -+ If you say Y here, all attempts to attach to a process via ptrace -+ will be logged. If the sysctl option is enabled, a sysctl option -+ with name "audit_ptrace" is created. -+ -+config GRKERNSEC_AUDIT_CHDIR -+ bool "Chdir logging" -+ help -+ If you say Y here, all chdir() calls will be logged. If the sysctl -+ option is enabled, a sysctl option with name "audit_chdir" is created. -+ -+config GRKERNSEC_AUDIT_MOUNT -+ bool "(Un)Mount logging" -+ help -+ If you say Y here, all mounts and unmounts will be logged. If the -+ sysctl option is enabled, a sysctl option with name "audit_mount" is -+ created. -+ -+config GRKERNSEC_SIGNAL -+ bool "Signal logging" -+ help -+ If you say Y here, certain important signals will be logged, such as -+ SIGSEGV, which will as a result inform you of when a error in a program -+ occurred, which in some cases could mean a possible exploit attempt. -+ If the sysctl option is enabled, a sysctl option with name -+ "signal_logging" is created. -+ -+config GRKERNSEC_FORKFAIL -+ bool "Fork failure logging" -+ help -+ If you say Y here, all failed fork() attempts will be logged. -+ This could suggest a fork bomb, or someone attempting to overstep -+ their process limit. If the sysctl option is enabled, a sysctl option -+ with name "forkfail_logging" is created. -+ -+config GRKERNSEC_TIME -+ bool "Time change logging" -+ help -+ If you say Y here, any changes of the system clock will be logged. -+ If the sysctl option is enabled, a sysctl option with name -+ "timechange_logging" is created. -+ -+config GRKERNSEC_PROC_IPADDR -+ bool "/proc/<pid>/ipaddr support" -+ help -+ If you say Y here, a new entry will be added to each /proc/<pid> -+ directory that contains the IP address of the person using the task. -+ The IP is carried across local TCP and AF_UNIX stream sockets. -+ This information can be useful for IDS/IPSes to perform remote response -+ to a local attack. The entry is readable by only the owner of the -+ process (and root if he has CAP_DAC_OVERRIDE, which can be removed via -+ the RBAC system), and thus does not create privacy concerns. -+ -+config GRKERNSEC_RWXMAP_LOG -+ bool 'Denied RWX mmap/mprotect logging' -+ depends on PAX_MPROTECT && !PAX_EMUPLT && !PAX_EMUSIGRT -+ help -+ If you say Y here, calls to mmap() and mprotect() with explicit -+ usage of PROT_WRITE and PROT_EXEC together will be logged when -+ denied by the PAX_MPROTECT feature. If the sysctl option is -+ enabled, a sysctl option with name "rwxmap_logging" is created. -+ -+config GRKERNSEC_AUDIT_TEXTREL -+ bool 'ELF text relocations logging (READ HELP)' -+ depends on PAX_MPROTECT -+ help -+ If you say Y here, text relocations will be logged with the filename -+ of the offending library or binary. The purpose of the feature is -+ to help Linux distribution developers get rid of libraries and -+ binaries that need text relocations which hinder the future progress -+ of PaX. Only Linux distribution developers should say Y here, and -+ never on a production machine, as this option creates an information -+ leak that could aid an attacker in defeating the randomization of -+ a single memory region. If the sysctl option is enabled, a sysctl -+ option with name "audit_textrel" is created. -+ -+endmenu -+ -+menu "Executable Protections" -+depends on GRKERNSEC -+ -+config GRKERNSEC_EXECVE -+ bool "Enforce RLIMIT_NPROC on execs" -+ help -+ If you say Y here, users with a resource limit on processes will -+ have the value checked during execve() calls. The current system -+ only checks the system limit during fork() calls. If the sysctl option -+ is enabled, a sysctl option with name "execve_limiting" is created. -+ -+config GRKERNSEC_DMESG -+ bool "Dmesg(8) restriction" -+ help -+ If you say Y here, non-root users will not be able to use dmesg(8) -+ to view up to the last 4kb of messages in the kernel's log buffer. -+ The kernel's log buffer often contains kernel addresses and other -+ identifying information useful to an attacker in fingerprinting a -+ system for a targeted exploit. -+ If the sysctl option is enabled, a sysctl option with name "dmesg" is -+ created. -+ -+config GRKERNSEC_HARDEN_PTRACE -+ bool "Deter ptrace-based process snooping" -+ help -+ If you say Y here, TTY sniffers and other malicious monitoring -+ programs implemented through ptrace will be defeated. If you -+ have been using the RBAC system, this option has already been -+ enabled for several years for all users, with the ability to make -+ fine-grained exceptions. -+ -+ This option only affects the ability of non-root users to ptrace -+ processes that are not a descendent of the ptracing process. -+ This means that strace ./binary and gdb ./binary will still work, -+ but attaching to arbitrary processes will not. If the sysctl -+ option is enabled, a sysctl option with name "harden_ptrace" is -+ created. -+ -+config GRKERNSEC_TPE -+ bool "Trusted Path Execution (TPE)" -+ help -+ If you say Y here, you will be able to choose a gid to add to the -+ supplementary groups of users you want to mark as "untrusted." -+ These users will not be able to execute any files that are not in -+ root-owned directories writable only by root. If the sysctl option -+ is enabled, a sysctl option with name "tpe" is created. -+ -+config GRKERNSEC_TPE_ALL -+ bool "Partially restrict all non-root users" -+ depends on GRKERNSEC_TPE -+ help -+ If you say Y here, all non-root users will be covered under -+ a weaker TPE restriction. This is separate from, and in addition to, -+ the main TPE options that you have selected elsewhere. Thus, if a -+ "trusted" GID is chosen, this restriction applies to even that GID. -+ Under this restriction, all non-root users will only be allowed to -+ execute files in directories they own that are not group or -+ world-writable, or in directories owned by root and writable only by -+ root. If the sysctl option is enabled, a sysctl option with name -+ "tpe_restrict_all" is created. -+ -+config GRKERNSEC_TPE_INVERT -+ bool "Invert GID option" -+ depends on GRKERNSEC_TPE -+ help -+ If you say Y here, the group you specify in the TPE configuration will -+ decide what group TPE restrictions will be *disabled* for. This -+ option is useful if you want TPE restrictions to be applied to most -+ users on the system. If the sysctl option is enabled, a sysctl option -+ with name "tpe_invert" is created. Unlike other sysctl options, this -+ entry will default to on for backward-compatibility. -+ -+config GRKERNSEC_TPE_GID -+ int "GID for untrusted users" -+ depends on GRKERNSEC_TPE && !GRKERNSEC_TPE_INVERT -+ default 1005 -+ help -+ Setting this GID determines what group TPE restrictions will be -+ *enabled* for. If the sysctl option is enabled, a sysctl option -+ with name "tpe_gid" is created. -+ -+config GRKERNSEC_TPE_GID -+ int "GID for trusted users" -+ depends on GRKERNSEC_TPE && GRKERNSEC_TPE_INVERT -+ default 1005 -+ help -+ Setting this GID determines what group TPE restrictions will be -+ *disabled* for. If the sysctl option is enabled, a sysctl option -+ with name "tpe_gid" is created. -+ -+endmenu -+menu "Network Protections" -+depends on GRKERNSEC -+ -+config GRKERNSEC_RANDNET -+ bool "Larger entropy pools" -+ help -+ If you say Y here, the entropy pools used for many features of Linux -+ and grsecurity will be doubled in size. Since several grsecurity -+ features use additional randomness, it is recommended that you say Y -+ here. Saying Y here has a similar effect as modifying -+ /proc/sys/kernel/random/poolsize. -+ -+config GRKERNSEC_BLACKHOLE -+ bool "TCP/UDP blackhole and LAST_ACK DoS prevention" -+ help -+ If you say Y here, neither TCP resets nor ICMP -+ destination-unreachable packets will be sent in response to packets -+ sent to ports for which no associated listening process exists. -+ This feature supports both IPV4 and IPV6 and exempts the -+ loopback interface from blackholing. Enabling this feature -+ makes a host more resilient to DoS attacks and reduces network -+ visibility against scanners. -+ -+ The blackhole feature as-implemented is equivalent to the FreeBSD -+ blackhole feature, as it prevents RST responses to all packets, not -+ just SYNs. Under most application behavior this causes no -+ problems, but applications (like haproxy) may not close certain -+ connections in a way that cleanly terminates them on the remote -+ end, leaving the remote host in LAST_ACK state. Because of this -+ side-effect and to prevent intentional LAST_ACK DoSes, this -+ feature also adds automatic mitigation against such attacks. -+ The mitigation drastically reduces the amount of time a socket -+ can spend in LAST_ACK state. If you're using haproxy and not -+ all servers it connects to have this option enabled, consider -+ disabling this feature on the haproxy host. -+ -+ If the sysctl option is enabled, two sysctl options with names -+ "ip_blackhole" and "lastack_retries" will be created. -+ While "ip_blackhole" takes the standard zero/non-zero on/off -+ toggle, "lastack_retries" uses the same kinds of values as -+ "tcp_retries1" and "tcp_retries2". The default value of 4 -+ prevents a socket from lasting more than 45 seconds in LAST_ACK -+ state. -+ -+config GRKERNSEC_SOCKET -+ bool "Socket restrictions" -+ help -+ If you say Y here, you will be able to choose from several options. -+ If you assign a GID on your system and add it to the supplementary -+ groups of users you want to restrict socket access to, this patch -+ will perform up to three things, based on the option(s) you choose. -+ -+config GRKERNSEC_SOCKET_ALL -+ bool "Deny any sockets to group" -+ depends on GRKERNSEC_SOCKET -+ help -+ If you say Y here, you will be able to choose a GID of whose users will -+ be unable to connect to other hosts from your machine or run server -+ applications from your machine. If the sysctl option is enabled, a -+ sysctl option with name "socket_all" is created. -+ -+config GRKERNSEC_SOCKET_ALL_GID -+ int "GID to deny all sockets for" -+ depends on GRKERNSEC_SOCKET_ALL -+ default 1004 -+ help -+ Here you can choose the GID to disable socket access for. Remember to -+ add the users you want socket access disabled for to the GID -+ specified here. If the sysctl option is enabled, a sysctl option -+ with name "socket_all_gid" is created. -+ -+config GRKERNSEC_SOCKET_CLIENT -+ bool "Deny client sockets to group" -+ depends on GRKERNSEC_SOCKET -+ help -+ If you say Y here, you will be able to choose a GID of whose users will -+ be unable to connect to other hosts from your machine, but will be -+ able to run servers. If this option is enabled, all users in the group -+ you specify will have to use passive mode when initiating ftp transfers -+ from the shell on your machine. If the sysctl option is enabled, a -+ sysctl option with name "socket_client" is created. -+ -+config GRKERNSEC_SOCKET_CLIENT_GID -+ int "GID to deny client sockets for" -+ depends on GRKERNSEC_SOCKET_CLIENT -+ default 1003 -+ help -+ Here you can choose the GID to disable client socket access for. -+ Remember to add the users you want client socket access disabled for to -+ the GID specified here. If the sysctl option is enabled, a sysctl -+ option with name "socket_client_gid" is created. -+ -+config GRKERNSEC_SOCKET_SERVER -+ bool "Deny server sockets to group" -+ depends on GRKERNSEC_SOCKET -+ help -+ If you say Y here, you will be able to choose a GID of whose users will -+ be unable to run server applications from your machine. If the sysctl -+ option is enabled, a sysctl option with name "socket_server" is created. -+ -+config GRKERNSEC_SOCKET_SERVER_GID -+ int "GID to deny server sockets for" -+ depends on GRKERNSEC_SOCKET_SERVER -+ default 1002 -+ help -+ Here you can choose the GID to disable server socket access for. -+ Remember to add the users you want server socket access disabled for to -+ the GID specified here. If the sysctl option is enabled, a sysctl -+ option with name "socket_server_gid" is created. -+ -+endmenu -+menu "Sysctl support" -+depends on GRKERNSEC && SYSCTL -+ -+config GRKERNSEC_SYSCTL -+ bool "Sysctl support" -+ help -+ If you say Y here, you will be able to change the options that -+ grsecurity runs with at bootup, without having to recompile your -+ kernel. You can echo values to files in /proc/sys/kernel/grsecurity -+ to enable (1) or disable (0) various features. All the sysctl entries -+ are mutable until the "grsec_lock" entry is set to a non-zero value. -+ All features enabled in the kernel configuration are disabled at boot -+ if you do not say Y to the "Turn on features by default" option. -+ All options should be set at startup, and the grsec_lock entry should -+ be set to a non-zero value after all the options are set. -+ *THIS IS EXTREMELY IMPORTANT* -+ -+config GRKERNSEC_SYSCTL_DISTRO -+ bool "Extra sysctl support for distro makers (READ HELP)" -+ depends on GRKERNSEC_SYSCTL && GRKERNSEC_IO -+ help -+ If you say Y here, additional sysctl options will be created -+ for features that affect processes running as root. Therefore, -+ it is critical when using this option that the grsec_lock entry be -+ enabled after boot. Only distros with prebuilt kernel packages -+ with this option enabled that can ensure grsec_lock is enabled -+ after boot should use this option. -+ *Failure to set grsec_lock after boot makes all grsec features -+ this option covers useless* -+ -+ Currently this option creates the following sysctl entries: -+ "Disable Privileged I/O": "disable_priv_io" -+ -+config GRKERNSEC_SYSCTL_ON -+ bool "Turn on features by default" -+ depends on GRKERNSEC_SYSCTL -+ help -+ If you say Y here, instead of having all features enabled in the -+ kernel configuration disabled at boot time, the features will be -+ enabled at boot time. It is recommended you say Y here unless -+ there is some reason you would want all sysctl-tunable features to -+ be disabled by default. As mentioned elsewhere, it is important -+ to enable the grsec_lock entry once you have finished modifying -+ the sysctl entries. -+ -+endmenu -+menu "Logging Options" -+depends on GRKERNSEC -+ -+config GRKERNSEC_FLOODTIME -+ int "Seconds in between log messages (minimum)" -+ default 10 -+ help -+ This option allows you to enforce the number of seconds between -+ grsecurity log messages. The default should be suitable for most -+ people, however, if you choose to change it, choose a value small enough -+ to allow informative logs to be produced, but large enough to -+ prevent flooding. -+ -+config GRKERNSEC_FLOODBURST -+ int "Number of messages in a burst (maximum)" -+ default 4 -+ help -+ This option allows you to choose the maximum number of messages allowed -+ within the flood time interval you chose in a separate option. The -+ default should be suitable for most people, however if you find that -+ many of your logs are being interpreted as flooding, you may want to -+ raise this value. -+ -+endmenu -+ -+endmenu -diff -urNp linux-2.6.39.3/grsecurity/Makefile linux-2.6.39.3/grsecurity/Makefile ---- linux-2.6.39.3/grsecurity/Makefile 1969-12-31 19:00:00.000000000 -0500 -+++ linux-2.6.39.3/grsecurity/Makefile 2011-05-24 20:26:54.000000000 -0400 -@@ -0,0 +1,33 @@ -+# grsecurity's ACL system was originally written in 2001 by Michael Dalton -+# during 2001-2009 it has been completely redesigned by Brad Spengler -+# into an RBAC system -+# -+# All code in this directory and various hooks inserted throughout the kernel -+# are copyright Brad Spengler - Open Source Security, Inc., and released -+# under the GPL v2 or higher -+ -+obj-y = grsec_chdir.o grsec_chroot.o grsec_exec.o grsec_fifo.o grsec_fork.o \ -+ grsec_mount.o grsec_sig.o grsec_sock.o grsec_sysctl.o \ -+ grsec_time.o grsec_tpe.o grsec_link.o grsec_pax.o grsec_ptrace.o -+ -+obj-$(CONFIG_GRKERNSEC) += grsec_init.o grsum.o gracl.o gracl_segv.o \ -+ gracl_cap.o gracl_alloc.o gracl_shm.o grsec_mem.o gracl_fs.o \ -+ gracl_learn.o grsec_log.o -+obj-$(CONFIG_GRKERNSEC_RESLOG) += gracl_res.o -+ -+ifdef CONFIG_NET -+obj-$(CONFIG_GRKERNSEC) += gracl_ip.o -+endif -+ -+ifndef CONFIG_GRKERNSEC -+obj-y += grsec_disabled.o -+endif -+ -+ifdef CONFIG_GRKERNSEC_HIDESYM -+extra-y := grsec_hidesym.o -+$(obj)/grsec_hidesym.o: -+ @-chmod -f 500 /boot -+ @-chmod -f 500 /lib/modules -+ @-chmod -f 700 . -+ @echo ' grsec: protected kernel image paths' -+endif -diff -urNp linux-2.6.39.3/include/acpi/acpi_drivers.h linux-2.6.39.3/include/acpi/acpi_drivers.h ---- linux-2.6.39.3/include/acpi/acpi_drivers.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/acpi/acpi_drivers.h 2011-05-22 19:36:32.000000000 -0400 -@@ -119,8 +119,8 @@ void pci_acpi_crs_quirks(void); - Dock Station - -------------------------------------------------------------------------- */ - struct acpi_dock_ops { -- acpi_notify_handler handler; -- acpi_notify_handler uevent; -+ const acpi_notify_handler handler; -+ const acpi_notify_handler uevent; - }; - - #if defined(CONFIG_ACPI_DOCK) || defined(CONFIG_ACPI_DOCK_MODULE) -@@ -128,7 +128,7 @@ extern int is_dock_device(acpi_handle ha - extern int register_dock_notifier(struct notifier_block *nb); - extern void unregister_dock_notifier(struct notifier_block *nb); - extern int register_hotplug_dock_device(acpi_handle handle, -- struct acpi_dock_ops *ops, -+ const struct acpi_dock_ops *ops, - void *context); - extern void unregister_hotplug_dock_device(acpi_handle handle); - #else -@@ -144,7 +144,7 @@ static inline void unregister_dock_notif - { - } - static inline int register_hotplug_dock_device(acpi_handle handle, -- struct acpi_dock_ops *ops, -+ const struct acpi_dock_ops *ops, - void *context) - { - return -ENODEV; -diff -urNp linux-2.6.39.3/include/acpi/processor.h linux-2.6.39.3/include/acpi/processor.h ---- linux-2.6.39.3/include/acpi/processor.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/acpi/processor.h 2011-05-22 19:36:32.000000000 -0400 -@@ -344,7 +344,7 @@ extern struct cpuidle_driver acpi_idle_d - - /* in processor_thermal.c */ - int acpi_processor_get_limit_info(struct acpi_processor *pr); --extern struct thermal_cooling_device_ops processor_cooling_ops; -+extern const struct thermal_cooling_device_ops processor_cooling_ops; - #ifdef CONFIG_CPU_FREQ - void acpi_thermal_cpufreq_init(void); - void acpi_thermal_cpufreq_exit(void); -diff -urNp linux-2.6.39.3/include/asm-generic/atomic-long.h linux-2.6.39.3/include/asm-generic/atomic-long.h ---- linux-2.6.39.3/include/asm-generic/atomic-long.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/asm-generic/atomic-long.h 2011-05-22 19:36:32.000000000 -0400 -@@ -22,6 +22,12 @@ - - typedef atomic64_t atomic_long_t; - -+#ifdef CONFIG_PAX_REFCOUNT -+typedef atomic64_unchecked_t atomic_long_unchecked_t; -+#else -+typedef atomic64_t atomic_long_unchecked_t; -+#endif -+ - #define ATOMIC_LONG_INIT(i) ATOMIC64_INIT(i) - - static inline long atomic_long_read(atomic_long_t *l) -@@ -31,6 +37,15 @@ static inline long atomic_long_read(atom - return (long)atomic64_read(v); - } - -+#ifdef CONFIG_PAX_REFCOUNT -+static inline long atomic_long_read_unchecked(atomic_long_unchecked_t *l) -+{ -+ atomic64_unchecked_t *v = (atomic64_unchecked_t *)l; -+ -+ return (long)atomic64_read_unchecked(v); -+} -+#endif -+ - static inline void atomic_long_set(atomic_long_t *l, long i) - { - atomic64_t *v = (atomic64_t *)l; -@@ -38,6 +53,15 @@ static inline void atomic_long_set(atomi - atomic64_set(v, i); - } - -+#ifdef CONFIG_PAX_REFCOUNT -+static inline void atomic_long_set_unchecked(atomic_long_unchecked_t *l, long i) -+{ -+ atomic64_unchecked_t *v = (atomic64_unchecked_t *)l; -+ -+ atomic64_set_unchecked(v, i); -+} -+#endif -+ - static inline void atomic_long_inc(atomic_long_t *l) - { - atomic64_t *v = (atomic64_t *)l; -@@ -45,6 +69,15 @@ static inline void atomic_long_inc(atomi - atomic64_inc(v); - } - -+#ifdef CONFIG_PAX_REFCOUNT -+static inline void atomic_long_inc_unchecked(atomic_long_unchecked_t *l) -+{ -+ atomic64_unchecked_t *v = (atomic64_unchecked_t *)l; -+ -+ atomic64_inc_unchecked(v); -+} -+#endif -+ - static inline void atomic_long_dec(atomic_long_t *l) - { - atomic64_t *v = (atomic64_t *)l; -@@ -52,6 +85,15 @@ static inline void atomic_long_dec(atomi - atomic64_dec(v); - } - -+#ifdef CONFIG_PAX_REFCOUNT -+static inline void atomic_long_dec_unchecked(atomic_long_unchecked_t *l) -+{ -+ atomic64_unchecked_t *v = (atomic64_unchecked_t *)l; -+ -+ atomic64_dec_unchecked(v); -+} -+#endif -+ - static inline void atomic_long_add(long i, atomic_long_t *l) - { - atomic64_t *v = (atomic64_t *)l; -@@ -59,6 +101,15 @@ static inline void atomic_long_add(long - atomic64_add(i, v); - } - -+#ifdef CONFIG_PAX_REFCOUNT -+static inline void atomic_long_add_unchecked(long i, atomic_long_unchecked_t *l) -+{ -+ atomic64_unchecked_t *v = (atomic64_unchecked_t *)l; -+ -+ atomic64_add_unchecked(i, v); -+} -+#endif -+ - static inline void atomic_long_sub(long i, atomic_long_t *l) - { - atomic64_t *v = (atomic64_t *)l; -@@ -66,6 +117,15 @@ static inline void atomic_long_sub(long - atomic64_sub(i, v); - } - -+#ifdef CONFIG_PAX_REFCOUNT -+static inline void atomic_long_sub_unchecked(long i, atomic_long_unchecked_t *l) -+{ -+ atomic64_unchecked_t *v = (atomic64_unchecked_t *)l; -+ -+ atomic64_sub_unchecked(i, v); -+} -+#endif -+ - static inline int atomic_long_sub_and_test(long i, atomic_long_t *l) - { - atomic64_t *v = (atomic64_t *)l; -@@ -115,6 +175,15 @@ static inline long atomic_long_inc_retur - return (long)atomic64_inc_return(v); - } - -+#ifdef CONFIG_PAX_REFCOUNT -+static inline long atomic_long_inc_return_unchecked(atomic_long_unchecked_t *l) -+{ -+ atomic64_unchecked_t *v = (atomic64_unchecked_t *)l; -+ -+ return (long)atomic64_inc_return_unchecked(v); -+} -+#endif -+ - static inline long atomic_long_dec_return(atomic_long_t *l) - { - atomic64_t *v = (atomic64_t *)l; -@@ -140,6 +209,12 @@ static inline long atomic_long_add_unles - - typedef atomic_t atomic_long_t; - -+#ifdef CONFIG_PAX_REFCOUNT -+typedef atomic_unchecked_t atomic_long_unchecked_t; -+#else -+typedef atomic_t atomic_long_unchecked_t; -+#endif -+ - #define ATOMIC_LONG_INIT(i) ATOMIC_INIT(i) - static inline long atomic_long_read(atomic_long_t *l) - { -@@ -148,6 +223,15 @@ static inline long atomic_long_read(atom - return (long)atomic_read(v); - } - -+#ifdef CONFIG_PAX_REFCOUNT -+static inline long atomic_long_read_unchecked(atomic_long_unchecked_t *l) -+{ -+ atomic_unchecked_t *v = (atomic_unchecked_t *)l; -+ -+ return (long)atomic_read_unchecked(v); -+} -+#endif -+ - static inline void atomic_long_set(atomic_long_t *l, long i) - { - atomic_t *v = (atomic_t *)l; -@@ -155,6 +239,15 @@ static inline void atomic_long_set(atomi - atomic_set(v, i); - } - -+#ifdef CONFIG_PAX_REFCOUNT -+static inline void atomic_long_set_unchecked(atomic_long_unchecked_t *l, long i) -+{ -+ atomic_unchecked_t *v = (atomic_unchecked_t *)l; -+ -+ atomic_set_unchecked(v, i); -+} -+#endif -+ - static inline void atomic_long_inc(atomic_long_t *l) - { - atomic_t *v = (atomic_t *)l; -@@ -162,6 +255,15 @@ static inline void atomic_long_inc(atomi - atomic_inc(v); - } - -+#ifdef CONFIG_PAX_REFCOUNT -+static inline void atomic_long_inc_unchecked(atomic_long_unchecked_t *l) -+{ -+ atomic_unchecked_t *v = (atomic_unchecked_t *)l; -+ -+ atomic_inc_unchecked(v); -+} -+#endif -+ - static inline void atomic_long_dec(atomic_long_t *l) - { - atomic_t *v = (atomic_t *)l; -@@ -169,6 +271,15 @@ static inline void atomic_long_dec(atomi - atomic_dec(v); - } - -+#ifdef CONFIG_PAX_REFCOUNT -+static inline void atomic_long_dec_unchecked(atomic_long_unchecked_t *l) -+{ -+ atomic_unchecked_t *v = (atomic_unchecked_t *)l; -+ -+ atomic_dec_unchecked(v); -+} -+#endif -+ - static inline void atomic_long_add(long i, atomic_long_t *l) - { - atomic_t *v = (atomic_t *)l; -@@ -176,6 +287,15 @@ static inline void atomic_long_add(long - atomic_add(i, v); - } - -+#ifdef CONFIG_PAX_REFCOUNT -+static inline void atomic_long_add_unchecked(long i, atomic_long_unchecked_t *l) -+{ -+ atomic_unchecked_t *v = (atomic_unchecked_t *)l; -+ -+ atomic_add_unchecked(i, v); -+} -+#endif -+ - static inline void atomic_long_sub(long i, atomic_long_t *l) - { - atomic_t *v = (atomic_t *)l; -@@ -183,6 +303,15 @@ static inline void atomic_long_sub(long - atomic_sub(i, v); - } - -+#ifdef CONFIG_PAX_REFCOUNT -+static inline void atomic_long_sub_unchecked(long i, atomic_long_unchecked_t *l) -+{ -+ atomic_unchecked_t *v = (atomic_unchecked_t *)l; -+ -+ atomic_sub_unchecked(i, v); -+} -+#endif -+ - static inline int atomic_long_sub_and_test(long i, atomic_long_t *l) - { - atomic_t *v = (atomic_t *)l; -@@ -232,6 +361,15 @@ static inline long atomic_long_inc_retur - return (long)atomic_inc_return(v); - } - -+#ifdef CONFIG_PAX_REFCOUNT -+static inline long atomic_long_inc_return_unchecked(atomic_long_unchecked_t *l) -+{ -+ atomic_unchecked_t *v = (atomic_unchecked_t *)l; -+ -+ return (long)atomic_inc_return_unchecked(v); -+} -+#endif -+ - static inline long atomic_long_dec_return(atomic_long_t *l) - { - atomic_t *v = (atomic_t *)l; -@@ -255,4 +393,49 @@ static inline long atomic_long_add_unles - - #endif /* BITS_PER_LONG == 64 */ - -+#ifdef CONFIG_PAX_REFCOUNT -+static inline void pax_refcount_needs_these_functions(void) -+{ -+ atomic_read_unchecked((atomic_unchecked_t *)NULL); -+ atomic_set_unchecked((atomic_unchecked_t *)NULL, 0); -+ atomic_add_unchecked(0, (atomic_unchecked_t *)NULL); -+ atomic_sub_unchecked(0, (atomic_unchecked_t *)NULL); -+ atomic_inc_unchecked((atomic_unchecked_t *)NULL); -+ atomic_inc_and_test_unchecked((atomic_unchecked_t *)NULL); -+ atomic_inc_return_unchecked((atomic_unchecked_t *)NULL); -+ atomic_add_return_unchecked(0, (atomic_unchecked_t *)NULL); -+ atomic_dec_unchecked((atomic_unchecked_t *)NULL); -+ atomic_cmpxchg_unchecked((atomic_unchecked_t *)NULL, 0, 0); -+ atomic_xchg_unchecked((atomic_unchecked_t *)NULL, 0); -+ -+ atomic_long_read_unchecked((atomic_long_unchecked_t *)NULL); -+ atomic_long_set_unchecked((atomic_long_unchecked_t *)NULL, 0); -+ atomic_long_add_unchecked(0, (atomic_long_unchecked_t *)NULL); -+ atomic_long_sub_unchecked(0, (atomic_long_unchecked_t *)NULL); -+ atomic_long_inc_unchecked((atomic_long_unchecked_t *)NULL); -+ atomic_long_inc_return_unchecked((atomic_long_unchecked_t *)NULL); -+ atomic_long_dec_unchecked((atomic_long_unchecked_t *)NULL); -+} -+#else -+#define atomic_read_unchecked(v) atomic_read(v) -+#define atomic_set_unchecked(v, i) atomic_set((v), (i)) -+#define atomic_add_unchecked(i, v) atomic_add((i), (v)) -+#define atomic_sub_unchecked(i, v) atomic_sub((i), (v)) -+#define atomic_inc_unchecked(v) atomic_inc(v) -+#define atomic_inc_and_test_unchecked(v) atomic_inc_and_test(v) -+#define atomic_inc_return_unchecked(v) atomic_inc_return(v) -+#define atomic_add_return_unchecked(i, v) atomic_add_return((i), (v)) -+#define atomic_dec_unchecked(v) atomic_dec(v) -+#define atomic_cmpxchg_unchecked(v, o, n) atomic_cmpxchg((v), (o), (n)) -+#define atomic_xchg_unchecked(v, i) atomic_xchg((v), (i)) -+ -+#define atomic_long_read_unchecked(v) atomic_long_read(v) -+#define atomic_long_set_unchecked(v, i) atomic_long_set((v), (i)) -+#define atomic_long_add_unchecked(i, v) atomic_long_add((i), (v)) -+#define atomic_long_sub_unchecked(i, v) atomic_long_sub((i), (v)) -+#define atomic_long_inc_unchecked(v) atomic_long_inc(v) -+#define atomic_long_inc_return_unchecked(v) atomic_long_inc_return(v) -+#define atomic_long_dec_unchecked(v) atomic_long_dec(v) -+#endif -+ - #endif /* _ASM_GENERIC_ATOMIC_LONG_H */ -diff -urNp linux-2.6.39.3/include/asm-generic/cache.h linux-2.6.39.3/include/asm-generic/cache.h ---- linux-2.6.39.3/include/asm-generic/cache.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/asm-generic/cache.h 2011-07-06 20:00:13.000000000 -0400 -@@ -6,7 +6,7 @@ - * cache lines need to provide their own cache.h. - */ - --#define L1_CACHE_SHIFT 5 --#define L1_CACHE_BYTES (1 << L1_CACHE_SHIFT) -+#define L1_CACHE_SHIFT 5UL -+#define L1_CACHE_BYTES (1UL << L1_CACHE_SHIFT) - - #endif /* __ASM_GENERIC_CACHE_H */ -diff -urNp linux-2.6.39.3/include/asm-generic/dma-mapping-common.h linux-2.6.39.3/include/asm-generic/dma-mapping-common.h ---- linux-2.6.39.3/include/asm-generic/dma-mapping-common.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/asm-generic/dma-mapping-common.h 2011-05-22 19:36:32.000000000 -0400 -@@ -11,7 +11,7 @@ static inline dma_addr_t dma_map_single_ - enum dma_data_direction dir, - struct dma_attrs *attrs) - { -- struct dma_map_ops *ops = get_dma_ops(dev); -+ const struct dma_map_ops *ops = get_dma_ops(dev); - dma_addr_t addr; - - kmemcheck_mark_initialized(ptr, size); -@@ -30,7 +30,7 @@ static inline void dma_unmap_single_attr - enum dma_data_direction dir, - struct dma_attrs *attrs) - { -- struct dma_map_ops *ops = get_dma_ops(dev); -+ const struct dma_map_ops *ops = get_dma_ops(dev); - - BUG_ON(!valid_dma_direction(dir)); - if (ops->unmap_page) -@@ -42,7 +42,7 @@ static inline int dma_map_sg_attrs(struc - int nents, enum dma_data_direction dir, - struct dma_attrs *attrs) - { -- struct dma_map_ops *ops = get_dma_ops(dev); -+ const struct dma_map_ops *ops = get_dma_ops(dev); - int i, ents; - struct scatterlist *s; - -@@ -59,7 +59,7 @@ static inline void dma_unmap_sg_attrs(st - int nents, enum dma_data_direction dir, - struct dma_attrs *attrs) - { -- struct dma_map_ops *ops = get_dma_ops(dev); -+ const struct dma_map_ops *ops = get_dma_ops(dev); - - BUG_ON(!valid_dma_direction(dir)); - debug_dma_unmap_sg(dev, sg, nents, dir); -@@ -71,7 +71,7 @@ static inline dma_addr_t dma_map_page(st - size_t offset, size_t size, - enum dma_data_direction dir) - { -- struct dma_map_ops *ops = get_dma_ops(dev); -+ const struct dma_map_ops *ops = get_dma_ops(dev); - dma_addr_t addr; - - kmemcheck_mark_initialized(page_address(page) + offset, size); -@@ -85,7 +85,7 @@ static inline dma_addr_t dma_map_page(st - static inline void dma_unmap_page(struct device *dev, dma_addr_t addr, - size_t size, enum dma_data_direction dir) - { -- struct dma_map_ops *ops = get_dma_ops(dev); -+ const struct dma_map_ops *ops = get_dma_ops(dev); - - BUG_ON(!valid_dma_direction(dir)); - if (ops->unmap_page) -@@ -97,7 +97,7 @@ static inline void dma_sync_single_for_c - size_t size, - enum dma_data_direction dir) - { -- struct dma_map_ops *ops = get_dma_ops(dev); -+ const struct dma_map_ops *ops = get_dma_ops(dev); - - BUG_ON(!valid_dma_direction(dir)); - if (ops->sync_single_for_cpu) -@@ -109,7 +109,7 @@ static inline void dma_sync_single_for_d - dma_addr_t addr, size_t size, - enum dma_data_direction dir) - { -- struct dma_map_ops *ops = get_dma_ops(dev); -+ const struct dma_map_ops *ops = get_dma_ops(dev); - - BUG_ON(!valid_dma_direction(dir)); - if (ops->sync_single_for_device) -@@ -139,7 +139,7 @@ static inline void - dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, - int nelems, enum dma_data_direction dir) - { -- struct dma_map_ops *ops = get_dma_ops(dev); -+ const struct dma_map_ops *ops = get_dma_ops(dev); - - BUG_ON(!valid_dma_direction(dir)); - if (ops->sync_sg_for_cpu) -@@ -151,7 +151,7 @@ static inline void - dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg, - int nelems, enum dma_data_direction dir) - { -- struct dma_map_ops *ops = get_dma_ops(dev); -+ const struct dma_map_ops *ops = get_dma_ops(dev); - - BUG_ON(!valid_dma_direction(dir)); - if (ops->sync_sg_for_device) -diff -urNp linux-2.6.39.3/include/asm-generic/int-l64.h linux-2.6.39.3/include/asm-generic/int-l64.h ---- linux-2.6.39.3/include/asm-generic/int-l64.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/asm-generic/int-l64.h 2011-05-22 19:36:32.000000000 -0400 -@@ -46,6 +46,8 @@ typedef unsigned int u32; - typedef signed long s64; - typedef unsigned long u64; - -+typedef unsigned int intoverflow_t __attribute__ ((mode(TI))); -+ - #define S8_C(x) x - #define U8_C(x) x ## U - #define S16_C(x) x -diff -urNp linux-2.6.39.3/include/asm-generic/int-ll64.h linux-2.6.39.3/include/asm-generic/int-ll64.h ---- linux-2.6.39.3/include/asm-generic/int-ll64.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/asm-generic/int-ll64.h 2011-05-22 19:36:32.000000000 -0400 -@@ -51,6 +51,8 @@ typedef unsigned int u32; - typedef signed long long s64; - typedef unsigned long long u64; - -+typedef unsigned long long intoverflow_t; -+ - #define S8_C(x) x - #define U8_C(x) x ## U - #define S16_C(x) x -diff -urNp linux-2.6.39.3/include/asm-generic/kmap_types.h linux-2.6.39.3/include/asm-generic/kmap_types.h ---- linux-2.6.39.3/include/asm-generic/kmap_types.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/asm-generic/kmap_types.h 2011-05-22 19:36:32.000000000 -0400 -@@ -29,10 +29,11 @@ KMAP_D(16) KM_IRQ_PTE, - KMAP_D(17) KM_NMI, - KMAP_D(18) KM_NMI_PTE, - KMAP_D(19) KM_KDB, -+KMAP_D(20) KM_CLEARPAGE, - /* - * Remember to update debug_kmap_atomic() when adding new kmap types! - */ --KMAP_D(20) KM_TYPE_NR -+KMAP_D(21) KM_TYPE_NR - }; - - #undef KMAP_D -diff -urNp linux-2.6.39.3/include/asm-generic/pgtable.h linux-2.6.39.3/include/asm-generic/pgtable.h ---- linux-2.6.39.3/include/asm-generic/pgtable.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/asm-generic/pgtable.h 2011-05-22 19:36:32.000000000 -0400 -@@ -447,6 +447,14 @@ static inline int pmd_write(pmd_t pmd) - #endif /* __HAVE_ARCH_PMD_WRITE */ - #endif - -+#ifndef __HAVE_ARCH_PAX_OPEN_KERNEL -+static inline unsigned long pax_open_kernel(void) { return 0; } -+#endif -+ -+#ifndef __HAVE_ARCH_PAX_CLOSE_KERNEL -+static inline unsigned long pax_close_kernel(void) { return 0; } -+#endif -+ - #endif /* !__ASSEMBLY__ */ - - #endif /* _ASM_GENERIC_PGTABLE_H */ -diff -urNp linux-2.6.39.3/include/asm-generic/pgtable-nopmd.h linux-2.6.39.3/include/asm-generic/pgtable-nopmd.h ---- linux-2.6.39.3/include/asm-generic/pgtable-nopmd.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/asm-generic/pgtable-nopmd.h 2011-05-22 19:36:32.000000000 -0400 -@@ -1,14 +1,19 @@ - #ifndef _PGTABLE_NOPMD_H - #define _PGTABLE_NOPMD_H - --#ifndef __ASSEMBLY__ -- - #include <asm-generic/pgtable-nopud.h> - --struct mm_struct; -- - #define __PAGETABLE_PMD_FOLDED - -+#define PMD_SHIFT PUD_SHIFT -+#define PTRS_PER_PMD 1 -+#define PMD_SIZE (_AC(1,UL) << PMD_SHIFT) -+#define PMD_MASK (~(PMD_SIZE-1)) -+ -+#ifndef __ASSEMBLY__ -+ -+struct mm_struct; -+ - /* - * Having the pmd type consist of a pud gets the size right, and allows - * us to conceptually access the pud entry that this pmd is folded into -@@ -16,11 +21,6 @@ struct mm_struct; - */ - typedef struct { pud_t pud; } pmd_t; - --#define PMD_SHIFT PUD_SHIFT --#define PTRS_PER_PMD 1 --#define PMD_SIZE (1UL << PMD_SHIFT) --#define PMD_MASK (~(PMD_SIZE-1)) -- - /* - * The "pud_xxx()" functions here are trivial for a folded two-level - * setup: the pmd is never bad, and a pmd always exists (as it's folded -diff -urNp linux-2.6.39.3/include/asm-generic/pgtable-nopud.h linux-2.6.39.3/include/asm-generic/pgtable-nopud.h ---- linux-2.6.39.3/include/asm-generic/pgtable-nopud.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/asm-generic/pgtable-nopud.h 2011-05-22 19:36:32.000000000 -0400 -@@ -1,10 +1,15 @@ - #ifndef _PGTABLE_NOPUD_H - #define _PGTABLE_NOPUD_H - --#ifndef __ASSEMBLY__ -- - #define __PAGETABLE_PUD_FOLDED - -+#define PUD_SHIFT PGDIR_SHIFT -+#define PTRS_PER_PUD 1 -+#define PUD_SIZE (_AC(1,UL) << PUD_SHIFT) -+#define PUD_MASK (~(PUD_SIZE-1)) -+ -+#ifndef __ASSEMBLY__ -+ - /* - * Having the pud type consist of a pgd gets the size right, and allows - * us to conceptually access the pgd entry that this pud is folded into -@@ -12,11 +17,6 @@ - */ - typedef struct { pgd_t pgd; } pud_t; - --#define PUD_SHIFT PGDIR_SHIFT --#define PTRS_PER_PUD 1 --#define PUD_SIZE (1UL << PUD_SHIFT) --#define PUD_MASK (~(PUD_SIZE-1)) -- - /* - * The "pgd_xxx()" functions here are trivial for a folded two-level - * setup: the pud is never bad, and a pud always exists (as it's folded -diff -urNp linux-2.6.39.3/include/asm-generic/vmlinux.lds.h linux-2.6.39.3/include/asm-generic/vmlinux.lds.h ---- linux-2.6.39.3/include/asm-generic/vmlinux.lds.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/asm-generic/vmlinux.lds.h 2011-05-22 19:36:32.000000000 -0400 -@@ -213,6 +213,7 @@ - .rodata : AT(ADDR(.rodata) - LOAD_OFFSET) { \ - VMLINUX_SYMBOL(__start_rodata) = .; \ - *(.rodata) *(.rodata.*) \ -+ *(.data..read_only) \ - *(__vermagic) /* Kernel version magic */ \ - . = ALIGN(8); \ - VMLINUX_SYMBOL(__start___tracepoints_ptrs) = .; \ -@@ -707,14 +708,15 @@ - * section in the linker script will go there too. @phdr should have - * a leading colon. - * -- * Note that this macros defines __per_cpu_load as an absolute symbol. -+ * Note that this macros defines per_cpu_load as an absolute symbol. - * If there is no need to put the percpu section at a predetermined - * address, use PERCPU(). - */ - #define PERCPU_VADDR(cacheline, vaddr, phdr) \ -- VMLINUX_SYMBOL(__per_cpu_load) = .; \ -- .data..percpu vaddr : AT(VMLINUX_SYMBOL(__per_cpu_load) \ -+ per_cpu_load = .; \ -+ .data..percpu vaddr : AT(VMLINUX_SYMBOL(per_cpu_load) \ - - LOAD_OFFSET) { \ -+ VMLINUX_SYMBOL(__per_cpu_load) = . + per_cpu_load; \ - VMLINUX_SYMBOL(__per_cpu_start) = .; \ - *(.data..percpu..first) \ - . = ALIGN(PAGE_SIZE); \ -@@ -726,7 +728,7 @@ - *(.data..percpu..shared_aligned) \ - VMLINUX_SYMBOL(__per_cpu_end) = .; \ - } phdr \ -- . = VMLINUX_SYMBOL(__per_cpu_load) + SIZEOF(.data..percpu); -+ . = VMLINUX_SYMBOL(per_cpu_load) + SIZEOF(.data..percpu); - - /** - * PERCPU - define output section for percpu area, simple version -diff -urNp linux-2.6.39.3/include/drm/drmP.h linux-2.6.39.3/include/drm/drmP.h ---- linux-2.6.39.3/include/drm/drmP.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/drm/drmP.h 2011-05-22 19:41:42.000000000 -0400 -@@ -73,6 +73,7 @@ - #include <linux/workqueue.h> - #include <linux/poll.h> - #include <asm/pgalloc.h> -+#include <asm/local.h> - #include "drm.h" - - #include <linux/idr.h> -@@ -908,7 +909,7 @@ struct drm_driver { - uint32_t handle); - - /* Driver private ops for this object */ -- struct vm_operations_struct *gem_vm_ops; -+ const struct vm_operations_struct *gem_vm_ops; - - int major; - int minor; -@@ -1023,7 +1024,7 @@ struct drm_device { - - /** \name Usage Counters */ - /*@{ */ -- int open_count; /**< Outstanding files open */ -+ local_t open_count; /**< Outstanding files open */ - atomic_t ioctl_count; /**< Outstanding IOCTLs pending */ - atomic_t vma_count; /**< Outstanding vma areas open */ - int buf_use; /**< Buffers in use -- cannot alloc */ -@@ -1034,7 +1035,7 @@ struct drm_device { - /*@{ */ - unsigned long counters; - enum drm_stat_type types[15]; -- atomic_t counts[15]; -+ atomic_unchecked_t counts[15]; - /*@} */ - - struct list_head filelist; -diff -urNp linux-2.6.39.3/include/linux/a.out.h linux-2.6.39.3/include/linux/a.out.h ---- linux-2.6.39.3/include/linux/a.out.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/a.out.h 2011-05-22 19:36:32.000000000 -0400 -@@ -39,6 +39,14 @@ enum machine_type { - M_MIPS2 = 152 /* MIPS R6000/R4000 binary */ - }; - -+/* Constants for the N_FLAGS field */ -+#define F_PAX_PAGEEXEC 1 /* Paging based non-executable pages */ -+#define F_PAX_EMUTRAMP 2 /* Emulate trampolines */ -+#define F_PAX_MPROTECT 4 /* Restrict mprotect() */ -+#define F_PAX_RANDMMAP 8 /* Randomize mmap() base */ -+/*#define F_PAX_RANDEXEC 16*/ /* Randomize ET_EXEC base */ -+#define F_PAX_SEGMEXEC 32 /* Segmentation based non-executable pages */ -+ - #if !defined (N_MAGIC) - #define N_MAGIC(exec) ((exec).a_info & 0xffff) - #endif -diff -urNp linux-2.6.39.3/include/linux/atmdev.h linux-2.6.39.3/include/linux/atmdev.h ---- linux-2.6.39.3/include/linux/atmdev.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/atmdev.h 2011-05-22 19:36:32.000000000 -0400 -@@ -237,7 +237,7 @@ struct compat_atm_iobuf { - #endif - - struct k_atm_aal_stats { --#define __HANDLE_ITEM(i) atomic_t i -+#define __HANDLE_ITEM(i) atomic_unchecked_t i - __AAL_STAT_ITEMS - #undef __HANDLE_ITEM - }; -diff -urNp linux-2.6.39.3/include/linux/binfmts.h linux-2.6.39.3/include/linux/binfmts.h ---- linux-2.6.39.3/include/linux/binfmts.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/binfmts.h 2011-05-22 19:36:32.000000000 -0400 -@@ -92,6 +92,7 @@ struct linux_binfmt { - int (*load_binary)(struct linux_binprm *, struct pt_regs * regs); - int (*load_shlib)(struct file *); - int (*core_dump)(struct coredump_params *cprm); -+ void (*handle_mprotect)(struct vm_area_struct *vma, unsigned long newflags); - unsigned long min_coredump; /* minimal dump size */ - }; - -diff -urNp linux-2.6.39.3/include/linux/blkdev.h linux-2.6.39.3/include/linux/blkdev.h ---- linux-2.6.39.3/include/linux/blkdev.h 2011-06-03 00:04:14.000000000 -0400 -+++ linux-2.6.39.3/include/linux/blkdev.h 2011-06-03 00:32:08.000000000 -0400 -@@ -1292,22 +1292,22 @@ queue_max_integrity_segments(struct requ - #endif /* CONFIG_BLK_DEV_INTEGRITY */ - - struct block_device_operations { -- int (*open) (struct block_device *, fmode_t); -- int (*release) (struct gendisk *, fmode_t); -- int (*ioctl) (struct block_device *, fmode_t, unsigned, unsigned long); -- int (*compat_ioctl) (struct block_device *, fmode_t, unsigned, unsigned long); -- int (*direct_access) (struct block_device *, sector_t, -+ int (* const open) (struct block_device *, fmode_t); -+ int (* const release) (struct gendisk *, fmode_t); -+ int (* const ioctl) (struct block_device *, fmode_t, unsigned, unsigned long); -+ int (* const compat_ioctl) (struct block_device *, fmode_t, unsigned, unsigned long); -+ int (* const direct_access) (struct block_device *, sector_t, - void **, unsigned long *); -- unsigned int (*check_events) (struct gendisk *disk, -+ unsigned int (* const check_events) (struct gendisk *disk, - unsigned int clearing); - /* ->media_changed() is DEPRECATED, use ->check_events() instead */ -- int (*media_changed) (struct gendisk *); -- void (*unlock_native_capacity) (struct gendisk *); -- int (*revalidate_disk) (struct gendisk *); -- int (*getgeo)(struct block_device *, struct hd_geometry *); -+ int (* const media_changed) (struct gendisk *); -+ void (* const unlock_native_capacity) (struct gendisk *); -+ int (* const revalidate_disk) (struct gendisk *); -+ int (* const getgeo)(struct block_device *, struct hd_geometry *); - /* this callback is with swap_lock and sometimes page table lock held */ -- void (*swap_slot_free_notify) (struct block_device *, unsigned long); -- struct module *owner; -+ void (* const swap_slot_free_notify) (struct block_device *, unsigned long); -+ struct module * const owner; - }; - - extern int __blkdev_driver_ioctl(struct block_device *, fmode_t, unsigned int, -diff -urNp linux-2.6.39.3/include/linux/blktrace_api.h linux-2.6.39.3/include/linux/blktrace_api.h ---- linux-2.6.39.3/include/linux/blktrace_api.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/blktrace_api.h 2011-05-22 19:36:32.000000000 -0400 -@@ -161,7 +161,7 @@ struct blk_trace { - struct dentry *dir; - struct dentry *dropped_file; - struct dentry *msg_file; -- atomic_t dropped; -+ atomic_unchecked_t dropped; - }; - - extern int blk_trace_ioctl(struct block_device *, unsigned, char __user *); -diff -urNp linux-2.6.39.3/include/linux/byteorder/little_endian.h linux-2.6.39.3/include/linux/byteorder/little_endian.h ---- linux-2.6.39.3/include/linux/byteorder/little_endian.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/byteorder/little_endian.h 2011-05-22 19:36:32.000000000 -0400 -@@ -42,51 +42,51 @@ - - static inline __le64 __cpu_to_le64p(const __u64 *p) - { -- return (__force __le64)*p; -+ return (__force const __le64)*p; - } - static inline __u64 __le64_to_cpup(const __le64 *p) - { -- return (__force __u64)*p; -+ return (__force const __u64)*p; - } - static inline __le32 __cpu_to_le32p(const __u32 *p) - { -- return (__force __le32)*p; -+ return (__force const __le32)*p; - } - static inline __u32 __le32_to_cpup(const __le32 *p) - { -- return (__force __u32)*p; -+ return (__force const __u32)*p; - } - static inline __le16 __cpu_to_le16p(const __u16 *p) - { -- return (__force __le16)*p; -+ return (__force const __le16)*p; - } - static inline __u16 __le16_to_cpup(const __le16 *p) - { -- return (__force __u16)*p; -+ return (__force const __u16)*p; - } - static inline __be64 __cpu_to_be64p(const __u64 *p) - { -- return (__force __be64)__swab64p(p); -+ return (__force const __be64)__swab64p(p); - } - static inline __u64 __be64_to_cpup(const __be64 *p) - { -- return __swab64p((__u64 *)p); -+ return __swab64p((const __u64 *)p); - } - static inline __be32 __cpu_to_be32p(const __u32 *p) - { -- return (__force __be32)__swab32p(p); -+ return (__force const __be32)__swab32p(p); - } - static inline __u32 __be32_to_cpup(const __be32 *p) - { -- return __swab32p((__u32 *)p); -+ return __swab32p((const __u32 *)p); - } - static inline __be16 __cpu_to_be16p(const __u16 *p) - { -- return (__force __be16)__swab16p(p); -+ return (__force const __be16)__swab16p(p); - } - static inline __u16 __be16_to_cpup(const __be16 *p) - { -- return __swab16p((__u16 *)p); -+ return __swab16p((const __u16 *)p); - } - #define __cpu_to_le64s(x) do { (void)(x); } while (0) - #define __le64_to_cpus(x) do { (void)(x); } while (0) -diff -urNp linux-2.6.39.3/include/linux/cache.h linux-2.6.39.3/include/linux/cache.h ---- linux-2.6.39.3/include/linux/cache.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/cache.h 2011-05-22 19:36:32.000000000 -0400 -@@ -16,6 +16,10 @@ - #define __read_mostly - #endif - -+#ifndef __read_only -+#define __read_only __read_mostly -+#endif -+ - #ifndef ____cacheline_aligned - #define ____cacheline_aligned __attribute__((__aligned__(SMP_CACHE_BYTES))) - #endif -diff -urNp linux-2.6.39.3/include/linux/capability.h linux-2.6.39.3/include/linux/capability.h ---- linux-2.6.39.3/include/linux/capability.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/capability.h 2011-05-22 21:02:47.000000000 -0400 -@@ -547,6 +547,9 @@ extern bool capable(int cap); - extern bool ns_capable(struct user_namespace *ns, int cap); - extern bool task_ns_capable(struct task_struct *t, int cap); - extern bool nsown_capable(int cap); -+extern bool task_ns_capable_nolog(struct task_struct *t, int cap); -+extern bool ns_capable_nolog(struct user_namespace *ns, int cap); -+extern bool capable_nolog(int cap); - - /* audit system wants to get cap info from files as well */ - extern int get_vfs_caps_from_disk(const struct dentry *dentry, struct cpu_vfs_cap_data *cpu_caps); -diff -urNp linux-2.6.39.3/include/linux/compiler-gcc4.h linux-2.6.39.3/include/linux/compiler-gcc4.h ---- linux-2.6.39.3/include/linux/compiler-gcc4.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/compiler-gcc4.h 2011-05-22 19:36:32.000000000 -0400 -@@ -46,6 +46,11 @@ - #define __noclone __attribute__((__noclone__)) - - #endif -+ -+#define __alloc_size(...) __attribute((alloc_size(__VA_ARGS__))) -+#define __bos(ptr, arg) __builtin_object_size((ptr), (arg)) -+#define __bos0(ptr) __bos((ptr), 0) -+#define __bos1(ptr) __bos((ptr), 1) - #endif - - #if __GNUC_MINOR__ > 0 -diff -urNp linux-2.6.39.3/include/linux/compiler.h linux-2.6.39.3/include/linux/compiler.h ---- linux-2.6.39.3/include/linux/compiler.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/compiler.h 2011-05-22 19:36:32.000000000 -0400 -@@ -273,6 +273,22 @@ void ftrace_likely_update(struct ftrace_ - #define __cold - #endif - -+#ifndef __alloc_size -+#define __alloc_size -+#endif -+ -+#ifndef __bos -+#define __bos -+#endif -+ -+#ifndef __bos0 -+#define __bos0 -+#endif -+ -+#ifndef __bos1 -+#define __bos1 -+#endif -+ - /* Simple shorthand for a section definition */ - #ifndef __section - # define __section(S) __attribute__ ((__section__(#S))) -@@ -306,6 +322,7 @@ void ftrace_likely_update(struct ftrace_ - * use is to mediate communication between process-level code and irq/NMI - * handlers, all running on the same CPU. - */ --#define ACCESS_ONCE(x) (*(volatile typeof(x) *)&(x)) -+#define ACCESS_ONCE(x) (*(volatile const typeof(x) *)&(x)) -+#define ACCESS_ONCE_RW(x) (*(volatile typeof(x) *)&(x)) - - #endif /* __LINUX_COMPILER_H */ -diff -urNp linux-2.6.39.3/include/linux/concap.h linux-2.6.39.3/include/linux/concap.h ---- linux-2.6.39.3/include/linux/concap.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/concap.h 2011-05-22 19:36:32.000000000 -0400 -@@ -30,7 +30,7 @@ struct concap_device_ops; - struct concap_proto{ - struct net_device *net_dev; /* net device using our service */ - struct concap_device_ops *dops; /* callbacks provided by device */ -- struct concap_proto_ops *pops; /* callbacks provided by us */ -+ const struct concap_proto_ops *pops; /* callbacks provided by us */ - spinlock_t lock; - int flags; - void *proto_data; /* protocol specific private data, to -diff -urNp linux-2.6.39.3/include/linux/configfs.h linux-2.6.39.3/include/linux/configfs.h ---- linux-2.6.39.3/include/linux/configfs.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/configfs.h 2011-05-22 19:36:32.000000000 -0400 -@@ -82,7 +82,7 @@ extern void config_item_put(struct confi - struct config_item_type { - struct module *ct_owner; - struct configfs_item_operations *ct_item_ops; -- struct configfs_group_operations *ct_group_ops; -+ const struct configfs_group_operations *ct_group_ops; - struct configfs_attribute **ct_attrs; - }; - -diff -urNp linux-2.6.39.3/include/linux/cpuset.h linux-2.6.39.3/include/linux/cpuset.h ---- linux-2.6.39.3/include/linux/cpuset.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/cpuset.h 2011-05-22 19:36:32.000000000 -0400 -@@ -118,7 +118,7 @@ static inline void put_mems_allowed(void - * nodemask. - */ - smp_mb(); -- --ACCESS_ONCE(current->mems_allowed_change_disable); -+ --ACCESS_ONCE_RW(current->mems_allowed_change_disable); - } - - static inline void set_mems_allowed(nodemask_t nodemask) -diff -urNp linux-2.6.39.3/include/linux/dca.h linux-2.6.39.3/include/linux/dca.h ---- linux-2.6.39.3/include/linux/dca.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/dca.h 2011-05-22 19:36:32.000000000 -0400 -@@ -34,7 +34,7 @@ void dca_unregister_notify(struct notifi - - struct dca_provider { - struct list_head node; -- struct dca_ops *ops; -+ const struct dca_ops *ops; - struct device *cd; - int id; - }; -@@ -53,7 +53,7 @@ struct dca_ops { - int (*dev_managed) (struct dca_provider *, struct device *); - }; - --struct dca_provider *alloc_dca_provider(struct dca_ops *ops, int priv_size); -+struct dca_provider *alloc_dca_provider(const struct dca_ops *ops, int priv_size); - void free_dca_provider(struct dca_provider *dca); - int register_dca_provider(struct dca_provider *dca, struct device *dev); - void unregister_dca_provider(struct dca_provider *dca, struct device *dev); -diff -urNp linux-2.6.39.3/include/linux/decompress/mm.h linux-2.6.39.3/include/linux/decompress/mm.h ---- linux-2.6.39.3/include/linux/decompress/mm.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/decompress/mm.h 2011-05-22 19:36:33.000000000 -0400 -@@ -77,7 +77,7 @@ static void free(void *where) - * warnings when not needed (indeed large_malloc / large_free are not - * needed by inflate */ - --#define malloc(a) kmalloc(a, GFP_KERNEL) -+#define malloc(a) kmalloc((a), GFP_KERNEL) - #define free(a) kfree(a) - - #define large_malloc(a) vmalloc(a) -diff -urNp linux-2.6.39.3/include/linux/dma-mapping.h linux-2.6.39.3/include/linux/dma-mapping.h ---- linux-2.6.39.3/include/linux/dma-mapping.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/dma-mapping.h 2011-05-22 19:36:33.000000000 -0400 -@@ -16,40 +16,40 @@ enum dma_data_direction { - }; - - struct dma_map_ops { -- void* (*alloc_coherent)(struct device *dev, size_t size, -+ void* (* const alloc_coherent)(struct device *dev, size_t size, - dma_addr_t *dma_handle, gfp_t gfp); -- void (*free_coherent)(struct device *dev, size_t size, -+ void (* const free_coherent)(struct device *dev, size_t size, - void *vaddr, dma_addr_t dma_handle); -- dma_addr_t (*map_page)(struct device *dev, struct page *page, -+ dma_addr_t (* const map_page)(struct device *dev, struct page *page, - unsigned long offset, size_t size, - enum dma_data_direction dir, - struct dma_attrs *attrs); -- void (*unmap_page)(struct device *dev, dma_addr_t dma_handle, -+ void (* const unmap_page)(struct device *dev, dma_addr_t dma_handle, - size_t size, enum dma_data_direction dir, - struct dma_attrs *attrs); -- int (*map_sg)(struct device *dev, struct scatterlist *sg, -+ int (* const map_sg)(struct device *dev, struct scatterlist *sg, - int nents, enum dma_data_direction dir, - struct dma_attrs *attrs); -- void (*unmap_sg)(struct device *dev, -+ void (* const unmap_sg)(struct device *dev, - struct scatterlist *sg, int nents, - enum dma_data_direction dir, - struct dma_attrs *attrs); -- void (*sync_single_for_cpu)(struct device *dev, -+ void (* const sync_single_for_cpu)(struct device *dev, - dma_addr_t dma_handle, size_t size, - enum dma_data_direction dir); -- void (*sync_single_for_device)(struct device *dev, -+ void (* const sync_single_for_device)(struct device *dev, - dma_addr_t dma_handle, size_t size, - enum dma_data_direction dir); -- void (*sync_sg_for_cpu)(struct device *dev, -+ void (* const sync_sg_for_cpu)(struct device *dev, - struct scatterlist *sg, int nents, - enum dma_data_direction dir); -- void (*sync_sg_for_device)(struct device *dev, -+ void (* const sync_sg_for_device)(struct device *dev, - struct scatterlist *sg, int nents, - enum dma_data_direction dir); -- int (*mapping_error)(struct device *dev, dma_addr_t dma_addr); -- int (*dma_supported)(struct device *dev, u64 mask); -- int (*set_dma_mask)(struct device *dev, u64 mask); -- int is_phys; -+ int (* const mapping_error)(struct device *dev, dma_addr_t dma_addr); -+ int (* const dma_supported)(struct device *dev, u64 mask); -+ int (* set_dma_mask)(struct device *dev, u64 mask); -+ const int is_phys; - }; - - #define DMA_BIT_MASK(n) (((n) == 64) ? ~0ULL : ((1ULL<<(n))-1)) -diff -urNp linux-2.6.39.3/include/linux/elf.h linux-2.6.39.3/include/linux/elf.h ---- linux-2.6.39.3/include/linux/elf.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/elf.h 2011-05-22 19:36:33.000000000 -0400 -@@ -49,6 +49,17 @@ typedef __s64 Elf64_Sxword; - #define PT_GNU_EH_FRAME 0x6474e550 - - #define PT_GNU_STACK (PT_LOOS + 0x474e551) -+#define PT_GNU_RELRO (PT_LOOS + 0x474e552) -+ -+#define PT_PAX_FLAGS (PT_LOOS + 0x5041580) -+ -+/* Constants for the e_flags field */ -+#define EF_PAX_PAGEEXEC 1 /* Paging based non-executable pages */ -+#define EF_PAX_EMUTRAMP 2 /* Emulate trampolines */ -+#define EF_PAX_MPROTECT 4 /* Restrict mprotect() */ -+#define EF_PAX_RANDMMAP 8 /* Randomize mmap() base */ -+/*#define EF_PAX_RANDEXEC 16*/ /* Randomize ET_EXEC base */ -+#define EF_PAX_SEGMEXEC 32 /* Segmentation based non-executable pages */ - - /* - * Extended Numbering -@@ -106,6 +117,8 @@ typedef __s64 Elf64_Sxword; - #define DT_DEBUG 21 - #define DT_TEXTREL 22 - #define DT_JMPREL 23 -+#define DT_FLAGS 30 -+ #define DF_TEXTREL 0x00000004 - #define DT_ENCODING 32 - #define OLD_DT_LOOS 0x60000000 - #define DT_LOOS 0x6000000d -@@ -252,6 +265,19 @@ typedef struct elf64_hdr { - #define PF_W 0x2 - #define PF_X 0x1 - -+#define PF_PAGEEXEC (1U << 4) /* Enable PAGEEXEC */ -+#define PF_NOPAGEEXEC (1U << 5) /* Disable PAGEEXEC */ -+#define PF_SEGMEXEC (1U << 6) /* Enable SEGMEXEC */ -+#define PF_NOSEGMEXEC (1U << 7) /* Disable SEGMEXEC */ -+#define PF_MPROTECT (1U << 8) /* Enable MPROTECT */ -+#define PF_NOMPROTECT (1U << 9) /* Disable MPROTECT */ -+/*#define PF_RANDEXEC (1U << 10)*/ /* Enable RANDEXEC */ -+/*#define PF_NORANDEXEC (1U << 11)*/ /* Disable RANDEXEC */ -+#define PF_EMUTRAMP (1U << 12) /* Enable EMUTRAMP */ -+#define PF_NOEMUTRAMP (1U << 13) /* Disable EMUTRAMP */ -+#define PF_RANDMMAP (1U << 14) /* Enable RANDMMAP */ -+#define PF_NORANDMMAP (1U << 15) /* Disable RANDMMAP */ -+ - typedef struct elf32_phdr{ - Elf32_Word p_type; - Elf32_Off p_offset; -@@ -344,6 +370,8 @@ typedef struct elf64_shdr { - #define EI_OSABI 7 - #define EI_PAD 8 - -+#define EI_PAX 14 -+ - #define ELFMAG0 0x7f /* EI_MAG */ - #define ELFMAG1 'E' - #define ELFMAG2 'L' -@@ -421,6 +449,7 @@ extern Elf32_Dyn _DYNAMIC []; - #define elf_note elf32_note - #define elf_addr_t Elf32_Off - #define Elf_Half Elf32_Half -+#define elf_dyn Elf32_Dyn - - #else - -@@ -431,6 +460,7 @@ extern Elf64_Dyn _DYNAMIC []; - #define elf_note elf64_note - #define elf_addr_t Elf64_Off - #define Elf_Half Elf64_Half -+#define elf_dyn Elf64_Dyn - - #endif - -diff -urNp linux-2.6.39.3/include/linux/enclosure.h linux-2.6.39.3/include/linux/enclosure.h ---- linux-2.6.39.3/include/linux/enclosure.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/enclosure.h 2011-05-22 19:36:33.000000000 -0400 -@@ -98,7 +98,7 @@ struct enclosure_device { - void *scratch; - struct list_head node; - struct device edev; -- struct enclosure_component_callbacks *cb; -+ const struct enclosure_component_callbacks *cb; - int components; - struct enclosure_component component[0]; - }; -diff -urNp linux-2.6.39.3/include/linux/fscache-cache.h linux-2.6.39.3/include/linux/fscache-cache.h ---- linux-2.6.39.3/include/linux/fscache-cache.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/fscache-cache.h 2011-05-22 19:36:33.000000000 -0400 -@@ -113,7 +113,7 @@ struct fscache_operation { - #endif - }; - --extern atomic_t fscache_op_debug_id; -+extern atomic_unchecked_t fscache_op_debug_id; - extern void fscache_op_work_func(struct work_struct *work); - - extern void fscache_enqueue_operation(struct fscache_operation *); -@@ -133,7 +133,7 @@ static inline void fscache_operation_ini - { - INIT_WORK(&op->work, fscache_op_work_func); - atomic_set(&op->usage, 1); -- op->debug_id = atomic_inc_return(&fscache_op_debug_id); -+ op->debug_id = atomic_inc_return_unchecked(&fscache_op_debug_id); - op->processor = processor; - op->release = release; - INIT_LIST_HEAD(&op->pend_link); -diff -urNp linux-2.6.39.3/include/linux/fs.h linux-2.6.39.3/include/linux/fs.h ---- linux-2.6.39.3/include/linux/fs.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/fs.h 2011-05-22 19:41:42.000000000 -0400 -@@ -108,6 +108,11 @@ struct inodes_stat_t { - /* File was opened by fanotify and shouldn't generate fanotify events */ - #define FMODE_NONOTIFY ((__force fmode_t)0x1000000) - -+/* Hack for grsec so as not to require read permission simply to execute -+ * a binary -+ */ -+#define FMODE_GREXEC ((__force fmode_t)0x2000000) -+ - /* - * The below are the various read and write types that we support. Some of - * them include behavioral modifiers that send information down to the -@@ -575,41 +580,41 @@ typedef int (*read_actor_t)(read_descrip - unsigned long, unsigned long); - - struct address_space_operations { -- int (*writepage)(struct page *page, struct writeback_control *wbc); -- int (*readpage)(struct file *, struct page *); -+ int (* const writepage)(struct page *page, struct writeback_control *wbc); -+ int (* const readpage)(struct file *, struct page *); - - /* Write back some dirty pages from this mapping. */ -- int (*writepages)(struct address_space *, struct writeback_control *); -+ int (* const writepages)(struct address_space *, struct writeback_control *); - - /* Set a page dirty. Return true if this dirtied it */ -- int (*set_page_dirty)(struct page *page); -+ int (* const set_page_dirty)(struct page *page); - -- int (*readpages)(struct file *filp, struct address_space *mapping, -+ int (* const readpages)(struct file *filp, struct address_space *mapping, - struct list_head *pages, unsigned nr_pages); - -- int (*write_begin)(struct file *, struct address_space *mapping, -+ int (* const write_begin)(struct file *, struct address_space *mapping, - loff_t pos, unsigned len, unsigned flags, - struct page **pagep, void **fsdata); -- int (*write_end)(struct file *, struct address_space *mapping, -+ int (* const write_end)(struct file *, struct address_space *mapping, - loff_t pos, unsigned len, unsigned copied, - struct page *page, void *fsdata); - - /* Unfortunately this kludge is needed for FIBMAP. Don't use it */ -- sector_t (*bmap)(struct address_space *, sector_t); -- void (*invalidatepage) (struct page *, unsigned long); -- int (*releasepage) (struct page *, gfp_t); -- void (*freepage)(struct page *); -- ssize_t (*direct_IO)(int, struct kiocb *, const struct iovec *iov, -+ sector_t (* const bmap)(struct address_space *, sector_t); -+ void (* const invalidatepage) (struct page *, unsigned long); -+ int (* const releasepage) (struct page *, gfp_t); -+ void (* const freepage)(struct page *); -+ ssize_t (* const direct_IO)(int, struct kiocb *, const struct iovec *iov, - loff_t offset, unsigned long nr_segs); -- int (*get_xip_mem)(struct address_space *, pgoff_t, int, -+ int (* const get_xip_mem)(struct address_space *, pgoff_t, int, - void **, unsigned long *); - /* migrate the contents of a page to the specified target */ -- int (*migratepage) (struct address_space *, -+ int (* const migratepage) (struct address_space *, - struct page *, struct page *); -- int (*launder_page) (struct page *); -- int (*is_partially_uptodate) (struct page *, read_descriptor_t *, -+ int (* const launder_page) (struct page *); -+ int (* const is_partially_uptodate) (struct page *, read_descriptor_t *, - unsigned long); -- int (*error_remove_page)(struct address_space *, struct page *); -+ int (* const error_remove_page)(struct address_space *, struct page *); - }; - - extern const struct address_space_operations empty_aops; -@@ -1060,17 +1065,17 @@ static inline int file_check_writeable(s - typedef struct files_struct *fl_owner_t; - - struct file_lock_operations { -- void (*fl_copy_lock)(struct file_lock *, struct file_lock *); -- void (*fl_release_private)(struct file_lock *); -+ void (* const fl_copy_lock)(struct file_lock *, struct file_lock *); -+ void (* const fl_release_private)(struct file_lock *); - }; - - struct lock_manager_operations { -- int (*fl_compare_owner)(struct file_lock *, struct file_lock *); -- void (*fl_notify)(struct file_lock *); /* unblock callback */ -- int (*fl_grant)(struct file_lock *, struct file_lock *, int); -- void (*fl_release_private)(struct file_lock *); -- void (*fl_break)(struct file_lock *); -- int (*fl_change)(struct file_lock **, int); -+ int (* const fl_compare_owner)(struct file_lock *, struct file_lock *); -+ void (* const fl_notify)(struct file_lock *); /* unblock callback */ -+ int (* const fl_grant)(struct file_lock *, struct file_lock *, int); -+ void (* const fl_release_private)(struct file_lock *); -+ void (* const fl_break)(struct file_lock *); -+ int (* const fl_change)(struct file_lock **, int); - }; - - struct lock_manager { -@@ -1611,31 +1616,31 @@ extern ssize_t vfs_writev(struct file *, - unsigned long, loff_t *); - - struct super_operations { -- struct inode *(*alloc_inode)(struct super_block *sb); -- void (*destroy_inode)(struct inode *); -+ struct inode *(* const alloc_inode)(struct super_block *sb); -+ void (* const destroy_inode)(struct inode *); - -- void (*dirty_inode) (struct inode *); -- int (*write_inode) (struct inode *, struct writeback_control *wbc); -- int (*drop_inode) (struct inode *); -- void (*evict_inode) (struct inode *); -- void (*put_super) (struct super_block *); -- void (*write_super) (struct super_block *); -- int (*sync_fs)(struct super_block *sb, int wait); -- int (*freeze_fs) (struct super_block *); -- int (*unfreeze_fs) (struct super_block *); -- int (*statfs) (struct dentry *, struct kstatfs *); -- int (*remount_fs) (struct super_block *, int *, char *); -- void (*umount_begin) (struct super_block *); -- -- int (*show_options)(struct seq_file *, struct vfsmount *); -- int (*show_devname)(struct seq_file *, struct vfsmount *); -- int (*show_path)(struct seq_file *, struct vfsmount *); -- int (*show_stats)(struct seq_file *, struct vfsmount *); -+ void (* const dirty_inode) (struct inode *); -+ int (* const write_inode) (struct inode *, struct writeback_control *wbc); -+ int (* const drop_inode) (struct inode *); -+ void (* const evict_inode) (struct inode *); -+ void (* const put_super) (struct super_block *); -+ void (* const write_super) (struct super_block *); -+ int (* const sync_fs)(struct super_block *sb, int wait); -+ int (* const freeze_fs) (struct super_block *); -+ int (* const unfreeze_fs) (struct super_block *); -+ int (* const statfs) (struct dentry *, struct kstatfs *); -+ int (* const remount_fs) (struct super_block *, int *, char *); -+ void (* const umount_begin) (struct super_block *); -+ -+ int (* const show_options)(struct seq_file *, struct vfsmount *); -+ int (* const show_devname)(struct seq_file *, struct vfsmount *); -+ int (* const show_path)(struct seq_file *, struct vfsmount *); -+ int (* const show_stats)(struct seq_file *, struct vfsmount *); - #ifdef CONFIG_QUOTA -- ssize_t (*quota_read)(struct super_block *, int, char *, size_t, loff_t); -- ssize_t (*quota_write)(struct super_block *, int, const char *, size_t, loff_t); -+ ssize_t (* const quota_read)(struct super_block *, int, char *, size_t, loff_t); -+ ssize_t (* const quota_write)(struct super_block *, int, const char *, size_t, loff_t); - #endif -- int (*bdev_try_to_free_page)(struct super_block*, struct page*, gfp_t); -+ int (* const bdev_try_to_free_page)(struct super_block*, struct page*, gfp_t); - }; - - /* -diff -urNp linux-2.6.39.3/include/linux/fs_struct.h linux-2.6.39.3/include/linux/fs_struct.h ---- linux-2.6.39.3/include/linux/fs_struct.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/fs_struct.h 2011-05-22 19:36:33.000000000 -0400 -@@ -6,7 +6,7 @@ - #include <linux/seqlock.h> - - struct fs_struct { -- int users; -+ atomic_t users; - spinlock_t lock; - seqcount_t seq; - int umask; -diff -urNp linux-2.6.39.3/include/linux/ftrace_event.h linux-2.6.39.3/include/linux/ftrace_event.h ---- linux-2.6.39.3/include/linux/ftrace_event.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/ftrace_event.h 2011-05-22 19:36:33.000000000 -0400 -@@ -235,7 +235,7 @@ extern int trace_define_field(struct ftr - extern int trace_add_event_call(struct ftrace_event_call *call); - extern void trace_remove_event_call(struct ftrace_event_call *call); - --#define is_signed_type(type) (((type)(-1)) < 0) -+#define is_signed_type(type) (((type)(-1)) < (type)1) - - int trace_set_clr_event(const char *system, const char *event, int set); - -diff -urNp linux-2.6.39.3/include/linux/ftrace.h linux-2.6.39.3/include/linux/ftrace.h ---- linux-2.6.39.3/include/linux/ftrace.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/ftrace.h 2011-05-22 19:36:33.000000000 -0400 -@@ -140,7 +140,7 @@ extern void - unregister_ftrace_function_probe(char *glob, struct ftrace_probe_ops *ops, - void *data); - extern void --unregister_ftrace_function_probe_func(char *glob, struct ftrace_probe_ops *ops); -+unregister_ftrace_function_probe_func(char *glob, const struct ftrace_probe_ops *ops); - extern void unregister_ftrace_function_probe_all(char *glob); - - extern int ftrace_text_reserved(void *start, void *end); -diff -urNp linux-2.6.39.3/include/linux/genhd.h linux-2.6.39.3/include/linux/genhd.h ---- linux-2.6.39.3/include/linux/genhd.h 2011-06-03 00:04:14.000000000 -0400 -+++ linux-2.6.39.3/include/linux/genhd.h 2011-06-03 00:32:08.000000000 -0400 -@@ -184,7 +184,7 @@ struct gendisk { - struct kobject *slave_dir; - - struct timer_rand_state *random; -- atomic_t sync_io; /* RAID */ -+ atomic_unchecked_t sync_io; /* RAID */ - struct disk_events *ev; - #ifdef CONFIG_BLK_DEV_INTEGRITY - struct blk_integrity *integrity; -diff -urNp linux-2.6.39.3/include/linux/gracl.h linux-2.6.39.3/include/linux/gracl.h ---- linux-2.6.39.3/include/linux/gracl.h 1969-12-31 19:00:00.000000000 -0500 -+++ linux-2.6.39.3/include/linux/gracl.h 2011-05-22 19:41:42.000000000 -0400 -@@ -0,0 +1,317 @@ -+#ifndef GR_ACL_H -+#define GR_ACL_H -+ -+#include <linux/grdefs.h> -+#include <linux/resource.h> -+#include <linux/capability.h> -+#include <linux/dcache.h> -+#include <asm/resource.h> -+ -+/* Major status information */ -+ -+#define GR_VERSION "grsecurity 2.2.2" -+#define GRSECURITY_VERSION 0x2202 -+ -+enum { -+ GR_SHUTDOWN = 0, -+ GR_ENABLE = 1, -+ GR_SPROLE = 2, -+ GR_RELOAD = 3, -+ GR_SEGVMOD = 4, -+ GR_STATUS = 5, -+ GR_UNSPROLE = 6, -+ GR_PASSSET = 7, -+ GR_SPROLEPAM = 8, -+}; -+ -+/* Password setup definitions -+ * kernel/grhash.c */ -+enum { -+ GR_PW_LEN = 128, -+ GR_SALT_LEN = 16, -+ GR_SHA_LEN = 32, -+}; -+ -+enum { -+ GR_SPROLE_LEN = 64, -+}; -+ -+enum { -+ GR_NO_GLOB = 0, -+ GR_REG_GLOB, -+ GR_CREATE_GLOB -+}; -+ -+#define GR_NLIMITS 32 -+ -+/* Begin Data Structures */ -+ -+struct sprole_pw { -+ unsigned char *rolename; -+ unsigned char salt[GR_SALT_LEN]; -+ unsigned char sum[GR_SHA_LEN]; /* 256-bit SHA hash of the password */ -+}; -+ -+struct name_entry { -+ __u32 key; -+ ino_t inode; -+ dev_t device; -+ char *name; -+ __u16 len; -+ __u8 deleted; -+ struct name_entry *prev; -+ struct name_entry *next; -+}; -+ -+struct inodev_entry { -+ struct name_entry *nentry; -+ struct inodev_entry *prev; -+ struct inodev_entry *next; -+}; -+ -+struct acl_role_db { -+ struct acl_role_label **r_hash; -+ __u32 r_size; -+}; -+ -+struct inodev_db { -+ struct inodev_entry **i_hash; -+ __u32 i_size; -+}; -+ -+struct name_db { -+ struct name_entry **n_hash; -+ __u32 n_size; -+}; -+ -+struct crash_uid { -+ uid_t uid; -+ unsigned long expires; -+}; -+ -+struct gr_hash_struct { -+ void **table; -+ void **nametable; -+ void *first; -+ __u32 table_size; -+ __u32 used_size; -+ int type; -+}; -+ -+/* Userspace Grsecurity ACL data structures */ -+ -+struct acl_subject_label { -+ char *filename; -+ ino_t inode; -+ dev_t device; -+ __u32 mode; -+ kernel_cap_t cap_mask; -+ kernel_cap_t cap_lower; -+ kernel_cap_t cap_invert_audit; -+ -+ struct rlimit res[GR_NLIMITS]; -+ __u32 resmask; -+ -+ __u8 user_trans_type; -+ __u8 group_trans_type; -+ uid_t *user_transitions; -+ gid_t *group_transitions; -+ __u16 user_trans_num; -+ __u16 group_trans_num; -+ -+ __u32 sock_families[2]; -+ __u32 ip_proto[8]; -+ __u32 ip_type; -+ struct acl_ip_label **ips; -+ __u32 ip_num; -+ __u32 inaddr_any_override; -+ -+ __u32 crashes; -+ unsigned long expires; -+ -+ struct acl_subject_label *parent_subject; -+ struct gr_hash_struct *hash; -+ struct acl_subject_label *prev; -+ struct acl_subject_label *next; -+ -+ struct acl_object_label **obj_hash; -+ __u32 obj_hash_size; -+ __u16 pax_flags; -+}; -+ -+struct role_allowed_ip { -+ __u32 addr; -+ __u32 netmask; -+ -+ struct role_allowed_ip *prev; -+ struct role_allowed_ip *next; -+}; -+ -+struct role_transition { -+ char *rolename; -+ -+ struct role_transition *prev; -+ struct role_transition *next; -+}; -+ -+struct acl_role_label { -+ char *rolename; -+ uid_t uidgid; -+ __u16 roletype; -+ -+ __u16 auth_attempts; -+ unsigned long expires; -+ -+ struct acl_subject_label *root_label; -+ struct gr_hash_struct *hash; -+ -+ struct acl_role_label *prev; -+ struct acl_role_label *next; -+ -+ struct role_transition *transitions; -+ struct role_allowed_ip *allowed_ips; -+ uid_t *domain_children; -+ __u16 domain_child_num; -+ -+ struct acl_subject_label **subj_hash; -+ __u32 subj_hash_size; -+}; -+ -+struct user_acl_role_db { -+ struct acl_role_label **r_table; -+ __u32 num_pointers; /* Number of allocations to track */ -+ __u32 num_roles; /* Number of roles */ -+ __u32 num_domain_children; /* Number of domain children */ -+ __u32 num_subjects; /* Number of subjects */ -+ __u32 num_objects; /* Number of objects */ -+}; -+ -+struct acl_object_label { -+ char *filename; -+ ino_t inode; -+ dev_t device; -+ __u32 mode; -+ -+ struct acl_subject_label *nested; -+ struct acl_object_label *globbed; -+ -+ /* next two structures not used */ -+ -+ struct acl_object_label *prev; -+ struct acl_object_label *next; -+}; -+ -+struct acl_ip_label { -+ char *iface; -+ __u32 addr; -+ __u32 netmask; -+ __u16 low, high; -+ __u8 mode; -+ __u32 type; -+ __u32 proto[8]; -+ -+ /* next two structures not used */ -+ -+ struct acl_ip_label *prev; -+ struct acl_ip_label *next; -+}; -+ -+struct gr_arg { -+ struct user_acl_role_db role_db; -+ unsigned char pw[GR_PW_LEN]; -+ unsigned char salt[GR_SALT_LEN]; -+ unsigned char sum[GR_SHA_LEN]; -+ unsigned char sp_role[GR_SPROLE_LEN]; -+ struct sprole_pw *sprole_pws; -+ dev_t segv_device; -+ ino_t segv_inode; -+ uid_t segv_uid; -+ __u16 num_sprole_pws; -+ __u16 mode; -+}; -+ -+struct gr_arg_wrapper { -+ struct gr_arg *arg; -+ __u32 version; -+ __u32 size; -+}; -+ -+struct subject_map { -+ struct acl_subject_label *user; -+ struct acl_subject_label *kernel; -+ struct subject_map *prev; -+ struct subject_map *next; -+}; -+ -+struct acl_subj_map_db { -+ struct subject_map **s_hash; -+ __u32 s_size; -+}; -+ -+/* End Data Structures Section */ -+ -+/* Hash functions generated by empirical testing by Brad Spengler -+ Makes good use of the low bits of the inode. Generally 0-1 times -+ in loop for successful match. 0-3 for unsuccessful match. -+ Shift/add algorithm with modulus of table size and an XOR*/ -+ -+static __inline__ unsigned int -+rhash(const uid_t uid, const __u16 type, const unsigned int sz) -+{ -+ return ((((uid + type) << (16 + type)) ^ uid) % sz); -+} -+ -+ static __inline__ unsigned int -+shash(const struct acl_subject_label *userp, const unsigned int sz) -+{ -+ return ((const unsigned long)userp % sz); -+} -+ -+static __inline__ unsigned int -+fhash(const ino_t ino, const dev_t dev, const unsigned int sz) -+{ -+ return (((ino + dev) ^ ((ino << 13) + (ino << 23) + (dev << 9))) % sz); -+} -+ -+static __inline__ unsigned int -+nhash(const char *name, const __u16 len, const unsigned int sz) -+{ -+ return full_name_hash((const unsigned char *)name, len) % sz; -+} -+ -+#define FOR_EACH_ROLE_START(role) \ -+ role = role_list; \ -+ while (role) { -+ -+#define FOR_EACH_ROLE_END(role) \ -+ role = role->prev; \ -+ } -+ -+#define FOR_EACH_SUBJECT_START(role,subj,iter) \ -+ subj = NULL; \ -+ iter = 0; \ -+ while (iter < role->subj_hash_size) { \ -+ if (subj == NULL) \ -+ subj = role->subj_hash[iter]; \ -+ if (subj == NULL) { \ -+ iter++; \ -+ continue; \ -+ } -+ -+#define FOR_EACH_SUBJECT_END(subj,iter) \ -+ subj = subj->next; \ -+ if (subj == NULL) \ -+ iter++; \ -+ } -+ -+ -+#define FOR_EACH_NESTED_SUBJECT_START(role,subj) \ -+ subj = role->hash->first; \ -+ while (subj != NULL) { -+ -+#define FOR_EACH_NESTED_SUBJECT_END(subj) \ -+ subj = subj->next; \ -+ } -+ -+#endif -+ -diff -urNp linux-2.6.39.3/include/linux/gralloc.h linux-2.6.39.3/include/linux/gralloc.h ---- linux-2.6.39.3/include/linux/gralloc.h 1969-12-31 19:00:00.000000000 -0500 -+++ linux-2.6.39.3/include/linux/gralloc.h 2011-05-22 19:41:42.000000000 -0400 -@@ -0,0 +1,9 @@ -+#ifndef __GRALLOC_H -+#define __GRALLOC_H -+ -+void acl_free_all(void); -+int acl_alloc_stack_init(unsigned long size); -+void *acl_alloc(unsigned long len); -+void *acl_alloc_num(unsigned long num, unsigned long len); -+ -+#endif -diff -urNp linux-2.6.39.3/include/linux/grdefs.h linux-2.6.39.3/include/linux/grdefs.h ---- linux-2.6.39.3/include/linux/grdefs.h 1969-12-31 19:00:00.000000000 -0500 -+++ linux-2.6.39.3/include/linux/grdefs.h 2011-06-11 16:24:51.000000000 -0400 -@@ -0,0 +1,140 @@ -+#ifndef GRDEFS_H -+#define GRDEFS_H -+ -+/* Begin grsecurity status declarations */ -+ -+enum { -+ GR_READY = 0x01, -+ GR_STATUS_INIT = 0x00 // disabled state -+}; -+ -+/* Begin ACL declarations */ -+ -+/* Role flags */ -+ -+enum { -+ GR_ROLE_USER = 0x0001, -+ GR_ROLE_GROUP = 0x0002, -+ GR_ROLE_DEFAULT = 0x0004, -+ GR_ROLE_SPECIAL = 0x0008, -+ GR_ROLE_AUTH = 0x0010, -+ GR_ROLE_NOPW = 0x0020, -+ GR_ROLE_GOD = 0x0040, -+ GR_ROLE_LEARN = 0x0080, -+ GR_ROLE_TPE = 0x0100, -+ GR_ROLE_DOMAIN = 0x0200, -+ GR_ROLE_PAM = 0x0400, -+ GR_ROLE_PERSIST = 0x0800 -+}; -+ -+/* ACL Subject and Object mode flags */ -+enum { -+ GR_DELETED = 0x80000000 -+}; -+ -+/* ACL Object-only mode flags */ -+enum { -+ GR_READ = 0x00000001, -+ GR_APPEND = 0x00000002, -+ GR_WRITE = 0x00000004, -+ GR_EXEC = 0x00000008, -+ GR_FIND = 0x00000010, -+ GR_INHERIT = 0x00000020, -+ GR_SETID = 0x00000040, -+ GR_CREATE = 0x00000080, -+ GR_DELETE = 0x00000100, -+ GR_LINK = 0x00000200, -+ GR_AUDIT_READ = 0x00000400, -+ GR_AUDIT_APPEND = 0x00000800, -+ GR_AUDIT_WRITE = 0x00001000, -+ GR_AUDIT_EXEC = 0x00002000, -+ GR_AUDIT_FIND = 0x00004000, -+ GR_AUDIT_INHERIT= 0x00008000, -+ GR_AUDIT_SETID = 0x00010000, -+ GR_AUDIT_CREATE = 0x00020000, -+ GR_AUDIT_DELETE = 0x00040000, -+ GR_AUDIT_LINK = 0x00080000, -+ GR_PTRACERD = 0x00100000, -+ GR_NOPTRACE = 0x00200000, -+ GR_SUPPRESS = 0x00400000, -+ GR_NOLEARN = 0x00800000, -+ GR_INIT_TRANSFER= 0x01000000 -+}; -+ -+#define GR_AUDITS (GR_AUDIT_READ | GR_AUDIT_WRITE | GR_AUDIT_APPEND | GR_AUDIT_EXEC | \ -+ GR_AUDIT_FIND | GR_AUDIT_INHERIT | GR_AUDIT_SETID | \ -+ GR_AUDIT_CREATE | GR_AUDIT_DELETE | GR_AUDIT_LINK) -+ -+/* ACL subject-only mode flags */ -+enum { -+ GR_KILL = 0x00000001, -+ GR_VIEW = 0x00000002, -+ GR_PROTECTED = 0x00000004, -+ GR_LEARN = 0x00000008, -+ GR_OVERRIDE = 0x00000010, -+ /* just a placeholder, this mode is only used in userspace */ -+ GR_DUMMY = 0x00000020, -+ GR_PROTSHM = 0x00000040, -+ GR_KILLPROC = 0x00000080, -+ GR_KILLIPPROC = 0x00000100, -+ /* just a placeholder, this mode is only used in userspace */ -+ GR_NOTROJAN = 0x00000200, -+ GR_PROTPROCFD = 0x00000400, -+ GR_PROCACCT = 0x00000800, -+ GR_RELAXPTRACE = 0x00001000, -+ GR_NESTED = 0x00002000, -+ GR_INHERITLEARN = 0x00004000, -+ GR_PROCFIND = 0x00008000, -+ GR_POVERRIDE = 0x00010000, -+ GR_KERNELAUTH = 0x00020000, -+ GR_ATSECURE = 0x00040000, -+ GR_SHMEXEC = 0x00080000 -+}; -+ -+enum { -+ GR_PAX_ENABLE_SEGMEXEC = 0x0001, -+ GR_PAX_ENABLE_PAGEEXEC = 0x0002, -+ GR_PAX_ENABLE_MPROTECT = 0x0004, -+ GR_PAX_ENABLE_RANDMMAP = 0x0008, -+ GR_PAX_ENABLE_EMUTRAMP = 0x0010, -+ GR_PAX_DISABLE_SEGMEXEC = 0x0100, -+ GR_PAX_DISABLE_PAGEEXEC = 0x0200, -+ GR_PAX_DISABLE_MPROTECT = 0x0400, -+ GR_PAX_DISABLE_RANDMMAP = 0x0800, -+ GR_PAX_DISABLE_EMUTRAMP = 0x1000, -+}; -+ -+enum { -+ GR_ID_USER = 0x01, -+ GR_ID_GROUP = 0x02, -+}; -+ -+enum { -+ GR_ID_ALLOW = 0x01, -+ GR_ID_DENY = 0x02, -+}; -+ -+#define GR_CRASH_RES 31 -+#define GR_UIDTABLE_MAX 500 -+ -+/* begin resource learning section */ -+enum { -+ GR_RLIM_CPU_BUMP = 60, -+ GR_RLIM_FSIZE_BUMP = 50000, -+ GR_RLIM_DATA_BUMP = 10000, -+ GR_RLIM_STACK_BUMP = 1000, -+ GR_RLIM_CORE_BUMP = 10000, -+ GR_RLIM_RSS_BUMP = 500000, -+ GR_RLIM_NPROC_BUMP = 1, -+ GR_RLIM_NOFILE_BUMP = 5, -+ GR_RLIM_MEMLOCK_BUMP = 50000, -+ GR_RLIM_AS_BUMP = 500000, -+ GR_RLIM_LOCKS_BUMP = 2, -+ GR_RLIM_SIGPENDING_BUMP = 5, -+ GR_RLIM_MSGQUEUE_BUMP = 10000, -+ GR_RLIM_NICE_BUMP = 1, -+ GR_RLIM_RTPRIO_BUMP = 1, -+ GR_RLIM_RTTIME_BUMP = 1000000 -+}; -+ -+#endif -diff -urNp linux-2.6.39.3/include/linux/grinternal.h linux-2.6.39.3/include/linux/grinternal.h ---- linux-2.6.39.3/include/linux/grinternal.h 1969-12-31 19:00:00.000000000 -0500 -+++ linux-2.6.39.3/include/linux/grinternal.h 2011-07-14 21:03:15.000000000 -0400 -@@ -0,0 +1,219 @@ -+#ifndef __GRINTERNAL_H -+#define __GRINTERNAL_H -+ -+#ifdef CONFIG_GRKERNSEC -+ -+#include <linux/fs.h> -+#include <linux/mnt_namespace.h> -+#include <linux/nsproxy.h> -+#include <linux/gracl.h> -+#include <linux/grdefs.h> -+#include <linux/grmsg.h> -+ -+void gr_add_learn_entry(const char *fmt, ...) -+ __attribute__ ((format (printf, 1, 2))); -+__u32 gr_search_file(const struct dentry *dentry, const __u32 mode, -+ const struct vfsmount *mnt); -+__u32 gr_check_create(const struct dentry *new_dentry, -+ const struct dentry *parent, -+ const struct vfsmount *mnt, const __u32 mode); -+int gr_check_protected_task(const struct task_struct *task); -+__u32 to_gr_audit(const __u32 reqmode); -+int gr_set_acls(const int type); -+int gr_apply_subject_to_task(struct task_struct *task); -+int gr_acl_is_enabled(void); -+char gr_roletype_to_char(void); -+ -+void gr_handle_alertkill(struct task_struct *task); -+char *gr_to_filename(const struct dentry *dentry, -+ const struct vfsmount *mnt); -+char *gr_to_filename1(const struct dentry *dentry, -+ const struct vfsmount *mnt); -+char *gr_to_filename2(const struct dentry *dentry, -+ const struct vfsmount *mnt); -+char *gr_to_filename3(const struct dentry *dentry, -+ const struct vfsmount *mnt); -+ -+extern int grsec_enable_harden_ptrace; -+extern int grsec_enable_link; -+extern int grsec_enable_fifo; -+extern int grsec_enable_execve; -+extern int grsec_enable_shm; -+extern int grsec_enable_execlog; -+extern int grsec_enable_signal; -+extern int grsec_enable_audit_ptrace; -+extern int grsec_enable_forkfail; -+extern int grsec_enable_time; -+extern int grsec_enable_rofs; -+extern int grsec_enable_chroot_shmat; -+extern int grsec_enable_chroot_mount; -+extern int grsec_enable_chroot_double; -+extern int grsec_enable_chroot_pivot; -+extern int grsec_enable_chroot_chdir; -+extern int grsec_enable_chroot_chmod; -+extern int grsec_enable_chroot_mknod; -+extern int grsec_enable_chroot_fchdir; -+extern int grsec_enable_chroot_nice; -+extern int grsec_enable_chroot_execlog; -+extern int grsec_enable_chroot_caps; -+extern int grsec_enable_chroot_sysctl; -+extern int grsec_enable_chroot_unix; -+extern int grsec_enable_tpe; -+extern int grsec_tpe_gid; -+extern int grsec_enable_tpe_all; -+extern int grsec_enable_tpe_invert; -+extern int grsec_enable_socket_all; -+extern int grsec_socket_all_gid; -+extern int grsec_enable_socket_client; -+extern int grsec_socket_client_gid; -+extern int grsec_enable_socket_server; -+extern int grsec_socket_server_gid; -+extern int grsec_audit_gid; -+extern int grsec_enable_group; -+extern int grsec_enable_audit_textrel; -+extern int grsec_enable_log_rwxmaps; -+extern int grsec_enable_mount; -+extern int grsec_enable_chdir; -+extern int grsec_resource_logging; -+extern int grsec_enable_blackhole; -+extern int grsec_lastack_retries; -+extern int grsec_enable_brute; -+extern int grsec_lock; -+ -+extern spinlock_t grsec_alert_lock; -+extern unsigned long grsec_alert_wtime; -+extern unsigned long grsec_alert_fyet; -+ -+extern spinlock_t grsec_audit_lock; -+ -+extern rwlock_t grsec_exec_file_lock; -+ -+#define gr_task_fullpath(tsk) ((tsk)->exec_file ? \ -+ gr_to_filename2((tsk)->exec_file->f_path.dentry, \ -+ (tsk)->exec_file->f_vfsmnt) : "/") -+ -+#define gr_parent_task_fullpath(tsk) ((tsk)->real_parent->exec_file ? \ -+ gr_to_filename3((tsk)->real_parent->exec_file->f_path.dentry, \ -+ (tsk)->real_parent->exec_file->f_vfsmnt) : "/") -+ -+#define gr_task_fullpath0(tsk) ((tsk)->exec_file ? \ -+ gr_to_filename((tsk)->exec_file->f_path.dentry, \ -+ (tsk)->exec_file->f_vfsmnt) : "/") -+ -+#define gr_parent_task_fullpath0(tsk) ((tsk)->real_parent->exec_file ? \ -+ gr_to_filename1((tsk)->real_parent->exec_file->f_path.dentry, \ -+ (tsk)->real_parent->exec_file->f_vfsmnt) : "/") -+ -+#define proc_is_chrooted(tsk_a) ((tsk_a)->gr_is_chrooted) -+ -+#define have_same_root(tsk_a,tsk_b) ((tsk_a)->gr_chroot_dentry == (tsk_b)->gr_chroot_dentry) -+ -+#define DEFAULTSECARGS(task, cred, pcred) gr_task_fullpath(task), (task)->comm, \ -+ (task)->pid, (cred)->uid, \ -+ (cred)->euid, (cred)->gid, (cred)->egid, \ -+ gr_parent_task_fullpath(task), \ -+ (task)->real_parent->comm, (task)->real_parent->pid, \ -+ (pcred)->uid, (pcred)->euid, \ -+ (pcred)->gid, (pcred)->egid -+ -+#define GR_CHROOT_CAPS {{ \ -+ CAP_TO_MASK(CAP_LINUX_IMMUTABLE) | CAP_TO_MASK(CAP_NET_ADMIN) | \ -+ CAP_TO_MASK(CAP_SYS_MODULE) | CAP_TO_MASK(CAP_SYS_RAWIO) | \ -+ CAP_TO_MASK(CAP_SYS_PACCT) | CAP_TO_MASK(CAP_SYS_ADMIN) | \ -+ CAP_TO_MASK(CAP_SYS_BOOT) | CAP_TO_MASK(CAP_SYS_TIME) | \ -+ CAP_TO_MASK(CAP_NET_RAW) | CAP_TO_MASK(CAP_SYS_TTY_CONFIG) | \ -+ CAP_TO_MASK(CAP_IPC_OWNER) , 0 }} -+ -+#define security_learn(normal_msg,args...) \ -+({ \ -+ read_lock(&grsec_exec_file_lock); \ -+ gr_add_learn_entry(normal_msg "\n", ## args); \ -+ read_unlock(&grsec_exec_file_lock); \ -+}) -+ -+enum { -+ GR_DO_AUDIT, -+ GR_DONT_AUDIT, -+ /* used for non-audit messages that we shouldn't kill the task on */ -+ GR_DONT_AUDIT_GOOD -+}; -+ -+enum { -+ GR_TTYSNIFF, -+ GR_RBAC, -+ GR_RBAC_STR, -+ GR_STR_RBAC, -+ GR_RBAC_MODE2, -+ GR_RBAC_MODE3, -+ GR_FILENAME, -+ GR_SYSCTL_HIDDEN, -+ GR_NOARGS, -+ GR_ONE_INT, -+ GR_ONE_INT_TWO_STR, -+ GR_ONE_STR, -+ GR_STR_INT, -+ GR_TWO_STR_INT, -+ GR_TWO_INT, -+ GR_TWO_U64, -+ GR_THREE_INT, -+ GR_FIVE_INT_TWO_STR, -+ GR_TWO_STR, -+ GR_THREE_STR, -+ GR_FOUR_STR, -+ GR_STR_FILENAME, -+ GR_FILENAME_STR, -+ GR_FILENAME_TWO_INT, -+ GR_FILENAME_TWO_INT_STR, -+ GR_TEXTREL, -+ GR_PTRACE, -+ GR_RESOURCE, -+ GR_CAP, -+ GR_SIG, -+ GR_SIG2, -+ GR_CRASH1, -+ GR_CRASH2, -+ GR_PSACCT, -+ GR_RWXMAP -+}; -+ -+#define gr_log_hidden_sysctl(audit, msg, str) gr_log_varargs(audit, msg, GR_SYSCTL_HIDDEN, str) -+#define gr_log_ttysniff(audit, msg, task) gr_log_varargs(audit, msg, GR_TTYSNIFF, task) -+#define gr_log_fs_rbac_generic(audit, msg, dentry, mnt) gr_log_varargs(audit, msg, GR_RBAC, dentry, mnt) -+#define gr_log_fs_rbac_str(audit, msg, dentry, mnt, str) gr_log_varargs(audit, msg, GR_RBAC_STR, dentry, mnt, str) -+#define gr_log_fs_str_rbac(audit, msg, str, dentry, mnt) gr_log_varargs(audit, msg, GR_STR_RBAC, str, dentry, mnt) -+#define gr_log_fs_rbac_mode2(audit, msg, dentry, mnt, str1, str2) gr_log_varargs(audit, msg, GR_RBAC_MODE2, dentry, mnt, str1, str2) -+#define gr_log_fs_rbac_mode3(audit, msg, dentry, mnt, str1, str2, str3) gr_log_varargs(audit, msg, GR_RBAC_MODE3, dentry, mnt, str1, str2, str3) -+#define gr_log_fs_generic(audit, msg, dentry, mnt) gr_log_varargs(audit, msg, GR_FILENAME, dentry, mnt) -+#define gr_log_noargs(audit, msg) gr_log_varargs(audit, msg, GR_NOARGS) -+#define gr_log_int(audit, msg, num) gr_log_varargs(audit, msg, GR_ONE_INT, num) -+#define gr_log_int_str2(audit, msg, num, str1, str2) gr_log_varargs(audit, msg, GR_ONE_INT_TWO_STR, num, str1, str2) -+#define gr_log_str(audit, msg, str) gr_log_varargs(audit, msg, GR_ONE_STR, str) -+#define gr_log_str_int(audit, msg, str, num) gr_log_varargs(audit, msg, GR_STR_INT, str, num) -+#define gr_log_int_int(audit, msg, num1, num2) gr_log_varargs(audit, msg, GR_TWO_INT, num1, num2) -+#define gr_log_two_u64(audit, msg, num1, num2) gr_log_varargs(audit, msg, GR_TWO_U64, num1, num2) -+#define gr_log_int3(audit, msg, num1, num2, num3) gr_log_varargs(audit, msg, GR_THREE_INT, num1, num2, num3) -+#define gr_log_int5_str2(audit, msg, num1, num2, str1, str2) gr_log_varargs(audit, msg, GR_FIVE_INT_TWO_STR, num1, num2, str1, str2) -+#define gr_log_str_str(audit, msg, str1, str2) gr_log_varargs(audit, msg, GR_TWO_STR, str1, str2) -+#define gr_log_str2_int(audit, msg, str1, str2, num) gr_log_varargs(audit, msg, GR_TWO_STR_INT, str1, str2, num) -+#define gr_log_str3(audit, msg, str1, str2, str3) gr_log_varargs(audit, msg, GR_THREE_STR, str1, str2, str3) -+#define gr_log_str4(audit, msg, str1, str2, str3, str4) gr_log_varargs(audit, msg, GR_FOUR_STR, str1, str2, str3, str4) -+#define gr_log_str_fs(audit, msg, str, dentry, mnt) gr_log_varargs(audit, msg, GR_STR_FILENAME, str, dentry, mnt) -+#define gr_log_fs_str(audit, msg, dentry, mnt, str) gr_log_varargs(audit, msg, GR_FILENAME_STR, dentry, mnt, str) -+#define gr_log_fs_int2(audit, msg, dentry, mnt, num1, num2) gr_log_varargs(audit, msg, GR_FILENAME_TWO_INT, dentry, mnt, num1, num2) -+#define gr_log_fs_int2_str(audit, msg, dentry, mnt, num1, num2, str) gr_log_varargs(audit, msg, GR_FILENAME_TWO_INT_STR, dentry, mnt, num1, num2, str) -+#define gr_log_textrel_ulong_ulong(audit, msg, file, ulong1, ulong2) gr_log_varargs(audit, msg, GR_TEXTREL, file, ulong1, ulong2) -+#define gr_log_ptrace(audit, msg, task) gr_log_varargs(audit, msg, GR_PTRACE, task) -+#define gr_log_res_ulong2_str(audit, msg, task, ulong1, str, ulong2) gr_log_varargs(audit, msg, GR_RESOURCE, task, ulong1, str, ulong2) -+#define gr_log_cap(audit, msg, task, str) gr_log_varargs(audit, msg, GR_CAP, task, str) -+#define gr_log_sig_addr(audit, msg, str, addr) gr_log_varargs(audit, msg, GR_SIG, str, addr) -+#define gr_log_sig_task(audit, msg, task, num) gr_log_varargs(audit, msg, GR_SIG2, task, num) -+#define gr_log_crash1(audit, msg, task, ulong) gr_log_varargs(audit, msg, GR_CRASH1, task, ulong) -+#define gr_log_crash2(audit, msg, task, ulong1) gr_log_varargs(audit, msg, GR_CRASH2, task, ulong1) -+#define gr_log_procacct(audit, msg, task, num1, num2, num3, num4, num5, num6, num7, num8, num9) gr_log_varargs(audit, msg, GR_PSACCT, task, num1, num2, num3, num4, num5, num6, num7, num8, num9) -+#define gr_log_rwxmap(audit, msg, str) gr_log_varargs(audit, msg, GR_RWXMAP, str) -+ -+void gr_log_varargs(int audit, const char *msg, int argtypes, ...); -+ -+#endif -+ -+#endif -diff -urNp linux-2.6.39.3/include/linux/grmsg.h linux-2.6.39.3/include/linux/grmsg.h ---- linux-2.6.39.3/include/linux/grmsg.h 1969-12-31 19:00:00.000000000 -0500 -+++ linux-2.6.39.3/include/linux/grmsg.h 2011-05-22 19:41:42.000000000 -0400 -@@ -0,0 +1,108 @@ -+#define DEFAULTSECMSG "%.256s[%.16s:%d] uid/euid:%u/%u gid/egid:%u/%u, parent %.256s[%.16s:%d] uid/euid:%u/%u gid/egid:%u/%u" -+#define GR_ACL_PROCACCT_MSG "%.256s[%.16s:%d] IP:%pI4 TTY:%.64s uid/euid:%u/%u gid/egid:%u/%u run time:[%ud %uh %um %us] cpu time:[%ud %uh %um %us] %s with exit code %ld, parent %.256s[%.16s:%d] IP:%pI4 TTY:%.64s uid/euid:%u/%u gid/egid:%u/%u" -+#define GR_PTRACE_ACL_MSG "denied ptrace of %.950s(%.16s:%d) by " -+#define GR_STOPMOD_MSG "denied modification of module state by " -+#define GR_ROFS_BLOCKWRITE_MSG "denied write to block device %.950s by " -+#define GR_ROFS_MOUNT_MSG "denied writable mount of %.950s by " -+#define GR_IOPERM_MSG "denied use of ioperm() by " -+#define GR_IOPL_MSG "denied use of iopl() by " -+#define GR_SHMAT_ACL_MSG "denied attach of shared memory of UID %u, PID %d, ID %u by " -+#define GR_UNIX_CHROOT_MSG "denied connect() to abstract AF_UNIX socket outside of chroot by " -+#define GR_SHMAT_CHROOT_MSG "denied attach of shared memory outside of chroot by " -+#define GR_MEM_READWRITE_MSG "denied access of range %Lx -> %Lx in /dev/mem by " -+#define GR_SYMLINK_MSG "not following symlink %.950s owned by %d.%d by " -+#define GR_LEARN_AUDIT_MSG "%s\t%u\t%u\t%u\t%.4095s\t%.4095s\t%lu\t%lu\t%.4095s\t%lu\t%pI4" -+#define GR_ID_LEARN_MSG "%s\t%u\t%u\t%u\t%.4095s\t%.4095s\t%c\t%d\t%d\t%d\t%pI4" -+#define GR_HIDDEN_ACL_MSG "%s access to hidden file %.950s by " -+#define GR_OPEN_ACL_MSG "%s open of %.950s for%s%s by " -+#define GR_CREATE_ACL_MSG "%s create of %.950s for%s%s by " -+#define GR_FIFO_MSG "denied writing FIFO %.950s of %d.%d by " -+#define GR_MKNOD_CHROOT_MSG "denied mknod of %.950s from chroot by " -+#define GR_MKNOD_ACL_MSG "%s mknod of %.950s by " -+#define GR_UNIXCONNECT_ACL_MSG "%s connect() to the unix domain socket %.950s by " -+#define GR_TTYSNIFF_ACL_MSG "terminal being sniffed by IP:%pI4 %.480s[%.16s:%d], parent %.480s[%.16s:%d] against " -+#define GR_MKDIR_ACL_MSG "%s mkdir of %.950s by " -+#define GR_RMDIR_ACL_MSG "%s rmdir of %.950s by " -+#define GR_UNLINK_ACL_MSG "%s unlink of %.950s by " -+#define GR_SYMLINK_ACL_MSG "%s symlink from %.480s to %.480s by " -+#define GR_HARDLINK_MSG "denied hardlink of %.930s (owned by %d.%d) to %.30s for " -+#define GR_LINK_ACL_MSG "%s link of %.480s to %.480s by " -+#define GR_INHERIT_ACL_MSG "successful inherit of %.480s's ACL for %.480s by " -+#define GR_RENAME_ACL_MSG "%s rename of %.480s to %.480s by " -+#define GR_UNSAFESHARE_EXEC_ACL_MSG "denied exec with cloned fs of %.950s by " -+#define GR_PTRACE_EXEC_ACL_MSG "denied ptrace of %.950s by " -+#define GR_NPROC_MSG "denied overstep of process limit by " -+#define GR_EXEC_ACL_MSG "%s execution of %.950s by " -+#define GR_EXEC_TPE_MSG "denied untrusted exec of %.950s by " -+#define GR_SEGVSTART_ACL_MSG "possible exploit bruteforcing on " DEFAULTSECMSG " banning uid %u from login for %lu seconds" -+#define GR_SEGVNOSUID_ACL_MSG "possible exploit bruteforcing on " DEFAULTSECMSG " banning execution for %lu seconds" -+#define GR_MOUNT_CHROOT_MSG "denied mount of %.256s as %.930s from chroot by " -+#define GR_PIVOT_CHROOT_MSG "denied pivot_root from chroot by " -+#define GR_TRUNCATE_ACL_MSG "%s truncate of %.950s by " -+#define GR_ATIME_ACL_MSG "%s access time change of %.950s by " -+#define GR_ACCESS_ACL_MSG "%s access of %.950s for%s%s%s by " -+#define GR_CHROOT_CHROOT_MSG "denied double chroot to %.950s by " -+#define GR_FCHMOD_ACL_MSG "%s fchmod of %.950s by " -+#define GR_CHMOD_CHROOT_MSG "denied chmod +s of %.950s by " -+#define GR_CHMOD_ACL_MSG "%s chmod of %.950s by " -+#define GR_CHROOT_FCHDIR_MSG "denied fchdir outside of chroot to %.950s by " -+#define GR_CHOWN_ACL_MSG "%s chown of %.950s by " -+#define GR_SETXATTR_ACL_MSG "%s setting extended attributes of %.950s by " -+#define GR_WRITLIB_ACL_MSG "denied load of writable library %.950s by " -+#define GR_INITF_ACL_MSG "init_variables() failed %s by " -+#define GR_DISABLED_ACL_MSG "Error loading %s, trying to run kernel with acls disabled. To disable acls at startup use <kernel image name> gracl=off from your boot loader" -+#define GR_DEV_ACL_MSG "/dev/grsec: %d bytes sent %d required, being fed garbaged by " -+#define GR_SHUTS_ACL_MSG "shutdown auth success for " -+#define GR_SHUTF_ACL_MSG "shutdown auth failure for " -+#define GR_SHUTI_ACL_MSG "ignoring shutdown for disabled RBAC system for " -+#define GR_SEGVMODS_ACL_MSG "segvmod auth success for " -+#define GR_SEGVMODF_ACL_MSG "segvmod auth failure for " -+#define GR_SEGVMODI_ACL_MSG "ignoring segvmod for disabled RBAC system for " -+#define GR_ENABLE_ACL_MSG "%s RBAC system loaded by " -+#define GR_ENABLEF_ACL_MSG "unable to load %s for " -+#define GR_RELOADI_ACL_MSG "ignoring reload request for disabled RBAC system" -+#define GR_RELOAD_ACL_MSG "%s RBAC system reloaded by " -+#define GR_RELOADF_ACL_MSG "failed reload of %s for " -+#define GR_SPROLEI_ACL_MSG "ignoring change to special role for disabled RBAC system for " -+#define GR_SPROLES_ACL_MSG "successful change to special role %s (id %d) by " -+#define GR_SPROLEL_ACL_MSG "special role %s (id %d) exited by " -+#define GR_SPROLEF_ACL_MSG "special role %s failure for " -+#define GR_UNSPROLEI_ACL_MSG "ignoring unauth of special role for disabled RBAC system for " -+#define GR_UNSPROLES_ACL_MSG "successful unauth of special role %s (id %d) by " -+#define GR_INVMODE_ACL_MSG "invalid mode %d by " -+#define GR_PRIORITY_CHROOT_MSG "denied priority change of process (%.16s:%d) by " -+#define GR_FAILFORK_MSG "failed fork with errno %s by " -+#define GR_NICE_CHROOT_MSG "denied priority change by " -+#define GR_UNISIGLOG_MSG "%.32s occurred at %p in " -+#define GR_DUALSIGLOG_MSG "signal %d sent to " DEFAULTSECMSG " by " -+#define GR_SIG_ACL_MSG "denied send of signal %d to protected task " DEFAULTSECMSG " by " -+#define GR_SYSCTL_MSG "denied modification of grsecurity sysctl value : %.32s by " -+#define GR_SYSCTL_ACL_MSG "%s sysctl of %.950s for%s%s by " -+#define GR_TIME_MSG "time set by " -+#define GR_DEFACL_MSG "fatal: unable to find subject for (%.16s:%d), loaded by " -+#define GR_MMAP_ACL_MSG "%s executable mmap of %.950s by " -+#define GR_MPROTECT_ACL_MSG "%s executable mprotect of %.950s by " -+#define GR_SOCK_MSG "denied socket(%.16s,%.16s,%.16s) by " -+#define GR_SOCK_NOINET_MSG "denied socket(%.16s,%.16s,%d) by " -+#define GR_BIND_MSG "denied bind() by " -+#define GR_CONNECT_MSG "denied connect() by " -+#define GR_BIND_ACL_MSG "denied bind() to %pI4 port %u sock type %.16s protocol %.16s by " -+#define GR_CONNECT_ACL_MSG "denied connect() to %pI4 port %u sock type %.16s protocol %.16s by " -+#define GR_IP_LEARN_MSG "%s\t%u\t%u\t%u\t%.4095s\t%.4095s\t%pI4\t%u\t%u\t%u\t%u\t%pI4" -+#define GR_EXEC_CHROOT_MSG "exec of %.980s within chroot by process " -+#define GR_CAP_ACL_MSG "use of %s denied for " -+#define GR_CAP_ACL_MSG2 "use of %s permitted for " -+#define GR_USRCHANGE_ACL_MSG "change to uid %u denied for " -+#define GR_GRPCHANGE_ACL_MSG "change to gid %u denied for " -+#define GR_REMOUNT_AUDIT_MSG "remount of %.256s by " -+#define GR_UNMOUNT_AUDIT_MSG "unmount of %.256s by " -+#define GR_MOUNT_AUDIT_MSG "mount of %.256s to %.256s by " -+#define GR_CHDIR_AUDIT_MSG "chdir to %.980s by " -+#define GR_EXEC_AUDIT_MSG "exec of %.930s (%.128s) by " -+#define GR_RESOURCE_MSG "denied resource overstep by requesting %lu for %.16s against limit %lu for " -+#define GR_RWXMMAP_MSG "denied RWX mmap of %.950s by " -+#define GR_RWXMPROTECT_MSG "denied RWX mprotect of %.950s by " -+#define GR_TEXTREL_AUDIT_MSG "text relocation in %s, VMA:0x%08lx 0x%08lx by " -+#define GR_VM86_MSG "denied use of vm86 by " -+#define GR_PTRACE_AUDIT_MSG "process %.950s(%.16s:%d) attached to via ptrace by " -+#define GR_INIT_TRANSFER_MSG "persistent special role transferred privilege to init by " -diff -urNp linux-2.6.39.3/include/linux/grsecurity.h linux-2.6.39.3/include/linux/grsecurity.h ---- linux-2.6.39.3/include/linux/grsecurity.h 1969-12-31 19:00:00.000000000 -0500 -+++ linux-2.6.39.3/include/linux/grsecurity.h 2011-07-16 15:28:00.000000000 -0400 -@@ -0,0 +1,215 @@ -+#ifndef GR_SECURITY_H -+#define GR_SECURITY_H -+#include <linux/fs.h> -+#include <linux/fs_struct.h> -+#include <linux/binfmts.h> -+#include <linux/gracl.h> -+#include <linux/compat.h> -+ -+/* notify of brain-dead configs */ -+#if defined(CONFIG_PAX_NOEXEC) && !defined(CONFIG_PAX_PAGEEXEC) && !defined(CONFIG_PAX_SEGMEXEC) && !defined(CONFIG_PAX_KERNEXEC) -+#error "CONFIG_PAX_NOEXEC enabled, but PAGEEXEC, SEGMEXEC, and KERNEXEC are disabled." -+#endif -+#if defined(CONFIG_PAX_NOEXEC) && !defined(CONFIG_PAX_EI_PAX) && !defined(CONFIG_PAX_PT_PAX_FLAGS) -+#error "CONFIG_PAX_NOEXEC enabled, but neither CONFIG_PAX_EI_PAX nor CONFIG_PAX_PT_PAX_FLAGS are enabled." -+#endif -+#if defined(CONFIG_PAX_ASLR) && (defined(CONFIG_PAX_RANDMMAP) || defined(CONFIG_PAX_RANDUSTACK)) && !defined(CONFIG_PAX_EI_PAX) && !defined(CONFIG_PAX_PT_PAX_FLAGS) -+#error "CONFIG_PAX_ASLR enabled, but neither CONFIG_PAX_EI_PAX nor CONFIG_PAX_PT_PAX_FLAGS are enabled." -+#endif -+#if defined(CONFIG_PAX_ASLR) && !defined(CONFIG_PAX_RANDKSTACK) && !defined(CONFIG_PAX_RANDUSTACK) && !defined(CONFIG_PAX_RANDMMAP) -+#error "CONFIG_PAX_ASLR enabled, but RANDKSTACK, RANDUSTACK, and RANDMMAP are disabled." -+#endif -+#if defined(CONFIG_PAX) && !defined(CONFIG_PAX_NOEXEC) && !defined(CONFIG_PAX_ASLR) -+#error "CONFIG_PAX enabled, but no PaX options are enabled." -+#endif -+ -+void gr_handle_brute_attach(struct task_struct *p, unsigned long mm_flags); -+void gr_handle_brute_check(void); -+void gr_handle_kernel_exploit(void); -+int gr_process_user_ban(void); -+ -+char gr_roletype_to_char(void); -+ -+int gr_acl_enable_at_secure(void); -+ -+int gr_check_user_change(int real, int effective, int fs); -+int gr_check_group_change(int real, int effective, int fs); -+ -+void gr_del_task_from_ip_table(struct task_struct *p); -+ -+int gr_pid_is_chrooted(struct task_struct *p); -+int gr_handle_chroot_fowner(struct pid *pid, enum pid_type type); -+int gr_handle_chroot_nice(void); -+int gr_handle_chroot_sysctl(const int op); -+int gr_handle_chroot_setpriority(struct task_struct *p, -+ const int niceval); -+int gr_chroot_fchdir(struct dentry *u_dentry, struct vfsmount *u_mnt); -+int gr_handle_chroot_chroot(const struct dentry *dentry, -+ const struct vfsmount *mnt); -+int gr_handle_chroot_caps(struct path *path); -+void gr_handle_chroot_chdir(struct path *path); -+int gr_handle_chroot_chmod(const struct dentry *dentry, -+ const struct vfsmount *mnt, const int mode); -+int gr_handle_chroot_mknod(const struct dentry *dentry, -+ const struct vfsmount *mnt, const int mode); -+int gr_handle_chroot_mount(const struct dentry *dentry, -+ const struct vfsmount *mnt, -+ const char *dev_name); -+int gr_handle_chroot_pivot(void); -+int gr_handle_chroot_unix(const pid_t pid); -+ -+int gr_handle_rawio(const struct inode *inode); -+int gr_handle_nproc(void); -+ -+void gr_handle_ioperm(void); -+void gr_handle_iopl(void); -+ -+int gr_tpe_allow(const struct file *file); -+ -+void gr_set_chroot_entries(struct task_struct *task, struct path *path); -+void gr_clear_chroot_entries(struct task_struct *task); -+ -+void gr_log_forkfail(const int retval); -+void gr_log_timechange(void); -+void gr_log_signal(const int sig, const void *addr, const struct task_struct *t); -+void gr_log_chdir(const struct dentry *dentry, -+ const struct vfsmount *mnt); -+void gr_log_chroot_exec(const struct dentry *dentry, -+ const struct vfsmount *mnt); -+void gr_handle_exec_args(struct linux_binprm *bprm, const char __user *const __user *argv); -+#ifdef CONFIG_COMPAT -+void gr_handle_exec_args_compat(struct linux_binprm *bprm, compat_uptr_t __user *argv); -+#endif -+void gr_log_remount(const char *devname, const int retval); -+void gr_log_unmount(const char *devname, const int retval); -+void gr_log_mount(const char *from, const char *to, const int retval); -+void gr_log_textrel(struct vm_area_struct *vma); -+void gr_log_rwxmmap(struct file *file); -+void gr_log_rwxmprotect(struct file *file); -+ -+int gr_handle_follow_link(const struct inode *parent, -+ const struct inode *inode, -+ const struct dentry *dentry, -+ const struct vfsmount *mnt); -+int gr_handle_fifo(const struct dentry *dentry, -+ const struct vfsmount *mnt, -+ const struct dentry *dir, const int flag, -+ const int acc_mode); -+int gr_handle_hardlink(const struct dentry *dentry, -+ const struct vfsmount *mnt, -+ struct inode *inode, -+ const int mode, const char *to); -+ -+int gr_is_capable(const int cap); -+int gr_is_capable_nolog(const int cap); -+void gr_learn_resource(const struct task_struct *task, const int limit, -+ const unsigned long wanted, const int gt); -+void gr_copy_label(struct task_struct *tsk); -+void gr_handle_crash(struct task_struct *task, const int sig); -+int gr_handle_signal(const struct task_struct *p, const int sig); -+int gr_check_crash_uid(const uid_t uid); -+int gr_check_protected_task(const struct task_struct *task); -+int gr_check_protected_task_fowner(struct pid *pid, enum pid_type type); -+int gr_acl_handle_mmap(const struct file *file, -+ const unsigned long prot); -+int gr_acl_handle_mprotect(const struct file *file, -+ const unsigned long prot); -+int gr_check_hidden_task(const struct task_struct *tsk); -+__u32 gr_acl_handle_truncate(const struct dentry *dentry, -+ const struct vfsmount *mnt); -+__u32 gr_acl_handle_utime(const struct dentry *dentry, -+ const struct vfsmount *mnt); -+__u32 gr_acl_handle_access(const struct dentry *dentry, -+ const struct vfsmount *mnt, const int fmode); -+__u32 gr_acl_handle_fchmod(const struct dentry *dentry, -+ const struct vfsmount *mnt, mode_t mode); -+__u32 gr_acl_handle_chmod(const struct dentry *dentry, -+ const struct vfsmount *mnt, mode_t mode); -+__u32 gr_acl_handle_chown(const struct dentry *dentry, -+ const struct vfsmount *mnt); -+__u32 gr_acl_handle_setxattr(const struct dentry *dentry, -+ const struct vfsmount *mnt); -+int gr_handle_ptrace(struct task_struct *task, const long request); -+int gr_handle_proc_ptrace(struct task_struct *task); -+__u32 gr_acl_handle_execve(const struct dentry *dentry, -+ const struct vfsmount *mnt); -+int gr_check_crash_exec(const struct file *filp); -+int gr_acl_is_enabled(void); -+void gr_set_kernel_label(struct task_struct *task); -+void gr_set_role_label(struct task_struct *task, const uid_t uid, -+ const gid_t gid); -+int gr_set_proc_label(const struct dentry *dentry, -+ const struct vfsmount *mnt, -+ const int unsafe_share); -+__u32 gr_acl_handle_hidden_file(const struct dentry *dentry, -+ const struct vfsmount *mnt); -+__u32 gr_acl_handle_open(const struct dentry *dentry, -+ const struct vfsmount *mnt, const int fmode); -+__u32 gr_acl_handle_creat(const struct dentry *dentry, -+ const struct dentry *p_dentry, -+ const struct vfsmount *p_mnt, const int fmode, -+ const int imode); -+void gr_handle_create(const struct dentry *dentry, -+ const struct vfsmount *mnt); -+__u32 gr_acl_handle_mknod(const struct dentry *new_dentry, -+ const struct dentry *parent_dentry, -+ const struct vfsmount *parent_mnt, -+ const int mode); -+__u32 gr_acl_handle_mkdir(const struct dentry *new_dentry, -+ const struct dentry *parent_dentry, -+ const struct vfsmount *parent_mnt); -+__u32 gr_acl_handle_rmdir(const struct dentry *dentry, -+ const struct vfsmount *mnt); -+void gr_handle_delete(const ino_t ino, const dev_t dev); -+__u32 gr_acl_handle_unlink(const struct dentry *dentry, -+ const struct vfsmount *mnt); -+__u32 gr_acl_handle_symlink(const struct dentry *new_dentry, -+ const struct dentry *parent_dentry, -+ const struct vfsmount *parent_mnt, -+ const char *from); -+__u32 gr_acl_handle_link(const struct dentry *new_dentry, -+ const struct dentry *parent_dentry, -+ const struct vfsmount *parent_mnt, -+ const struct dentry *old_dentry, -+ const struct vfsmount *old_mnt, const char *to); -+int gr_acl_handle_rename(struct dentry *new_dentry, -+ struct dentry *parent_dentry, -+ const struct vfsmount *parent_mnt, -+ struct dentry *old_dentry, -+ struct inode *old_parent_inode, -+ struct vfsmount *old_mnt, const char *newname); -+void gr_handle_rename(struct inode *old_dir, struct inode *new_dir, -+ struct dentry *old_dentry, -+ struct dentry *new_dentry, -+ struct vfsmount *mnt, const __u8 replace); -+__u32 gr_check_link(const struct dentry *new_dentry, -+ const struct dentry *parent_dentry, -+ const struct vfsmount *parent_mnt, -+ const struct dentry *old_dentry, -+ const struct vfsmount *old_mnt); -+int gr_acl_handle_filldir(const struct file *file, const char *name, -+ const unsigned int namelen, const ino_t ino); -+ -+__u32 gr_acl_handle_unix(const struct dentry *dentry, -+ const struct vfsmount *mnt); -+void gr_acl_handle_exit(void); -+void gr_acl_handle_psacct(struct task_struct *task, const long code); -+int gr_acl_handle_procpidmem(const struct task_struct *task); -+int gr_handle_rofs_mount(struct dentry *dentry, struct vfsmount *mnt, int mnt_flags); -+int gr_handle_rofs_blockwrite(struct dentry *dentry, struct vfsmount *mnt, int acc_mode); -+void gr_audit_ptrace(struct task_struct *task); -+dev_t gr_get_dev_from_dentry(struct dentry *dentry); -+ -+#ifdef CONFIG_GRKERNSEC -+void task_grsec_rbac(struct seq_file *m, struct task_struct *p); -+void gr_handle_vm86(void); -+void gr_handle_mem_readwrite(u64 from, u64 to); -+ -+extern int grsec_enable_dmesg; -+extern int grsec_disable_privio; -+#ifdef CONFIG_GRKERNSEC_CHROOT_FINDTASK -+extern int grsec_enable_chroot_findtask; -+#endif -+#endif -+ -+#endif -diff -urNp linux-2.6.39.3/include/linux/grsock.h linux-2.6.39.3/include/linux/grsock.h ---- linux-2.6.39.3/include/linux/grsock.h 1969-12-31 19:00:00.000000000 -0500 -+++ linux-2.6.39.3/include/linux/grsock.h 2011-05-22 19:41:42.000000000 -0400 -@@ -0,0 +1,19 @@ -+#ifndef __GRSOCK_H -+#define __GRSOCK_H -+ -+extern void gr_attach_curr_ip(const struct sock *sk); -+extern int gr_handle_sock_all(const int family, const int type, -+ const int protocol); -+extern int gr_handle_sock_server(const struct sockaddr *sck); -+extern int gr_handle_sock_server_other(const struct sock *sck); -+extern int gr_handle_sock_client(const struct sockaddr *sck); -+extern int gr_search_connect(struct socket * sock, -+ struct sockaddr_in * addr); -+extern int gr_search_bind(struct socket * sock, -+ struct sockaddr_in * addr); -+extern int gr_search_listen(struct socket * sock); -+extern int gr_search_accept(struct socket * sock); -+extern int gr_search_socket(const int domain, const int type, -+ const int protocol); -+ -+#endif -diff -urNp linux-2.6.39.3/include/linux/highmem.h linux-2.6.39.3/include/linux/highmem.h ---- linux-2.6.39.3/include/linux/highmem.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/highmem.h 2011-05-22 19:36:33.000000000 -0400 -@@ -185,6 +185,18 @@ static inline void clear_highpage(struct - kunmap_atomic(kaddr, KM_USER0); - } - -+static inline void sanitize_highpage(struct page *page) -+{ -+ void *kaddr; -+ unsigned long flags; -+ -+ local_irq_save(flags); -+ kaddr = kmap_atomic(page, KM_CLEARPAGE); -+ clear_page(kaddr); -+ kunmap_atomic(kaddr, KM_CLEARPAGE); -+ local_irq_restore(flags); -+} -+ - static inline void zero_user_segments(struct page *page, - unsigned start1, unsigned end1, - unsigned start2, unsigned end2) -diff -urNp linux-2.6.39.3/include/linux/i2o.h linux-2.6.39.3/include/linux/i2o.h ---- linux-2.6.39.3/include/linux/i2o.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/i2o.h 2011-05-22 19:36:33.000000000 -0400 -@@ -564,7 +564,7 @@ struct i2o_controller { - struct i2o_device *exec; /* Executive */ - #if BITS_PER_LONG == 64 - spinlock_t context_list_lock; /* lock for context_list */ -- atomic_t context_list_counter; /* needed for unique contexts */ -+ atomic_unchecked_t context_list_counter; /* needed for unique contexts */ - struct list_head context_list; /* list of context id's - and pointers */ - #endif -diff -urNp linux-2.6.39.3/include/linux/if_phonet.h linux-2.6.39.3/include/linux/if_phonet.h ---- linux-2.6.39.3/include/linux/if_phonet.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/if_phonet.h 2011-05-22 19:36:33.000000000 -0400 -@@ -13,7 +13,7 @@ - #define PHONET_DEV_MTU PHONET_MAX_MTU - - #ifdef __KERNEL__ --extern struct header_ops phonet_header_ops; -+extern const struct header_ops phonet_header_ops; - #endif - - #endif -diff -urNp linux-2.6.39.3/include/linux/init.h linux-2.6.39.3/include/linux/init.h ---- linux-2.6.39.3/include/linux/init.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/init.h 2011-05-22 19:36:33.000000000 -0400 -@@ -293,13 +293,13 @@ void __init parse_early_options(char *cm - - /* Each module must use one module_init(). */ - #define module_init(initfn) \ -- static inline initcall_t __inittest(void) \ -+ static inline __used initcall_t __inittest(void) \ - { return initfn; } \ - int init_module(void) __attribute__((alias(#initfn))); - - /* This is only required if you want to be unloadable. */ - #define module_exit(exitfn) \ -- static inline exitcall_t __exittest(void) \ -+ static inline __used exitcall_t __exittest(void) \ - { return exitfn; } \ - void cleanup_module(void) __attribute__((alias(#exitfn))); - -diff -urNp linux-2.6.39.3/include/linux/init_task.h linux-2.6.39.3/include/linux/init_task.h ---- linux-2.6.39.3/include/linux/init_task.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/init_task.h 2011-05-22 19:36:33.000000000 -0400 -@@ -83,6 +83,12 @@ extern struct group_info init_groups; - #define INIT_IDS - #endif - -+#ifdef CONFIG_X86 -+#define INIT_TASK_THREAD_INFO .tinfo = INIT_THREAD_INFO, -+#else -+#define INIT_TASK_THREAD_INFO -+#endif -+ - /* - * Because of the reduced scope of CAP_SETPCAP when filesystem - * capabilities are in effect, it is safe to allow CAP_SETPCAP to -@@ -163,6 +169,7 @@ extern struct cred init_cred; - RCU_INIT_POINTER(.cred, &init_cred), \ - .comm = "swapper", \ - .thread = INIT_THREAD, \ -+ INIT_TASK_THREAD_INFO \ - .fs = &init_fs, \ - .files = &init_files, \ - .signal = &init_signals, \ -diff -urNp linux-2.6.39.3/include/linux/interrupt.h linux-2.6.39.3/include/linux/interrupt.h ---- linux-2.6.39.3/include/linux/interrupt.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/interrupt.h 2011-05-22 19:36:33.000000000 -0400 -@@ -422,7 +422,7 @@ enum - /* map softirq index to softirq name. update 'softirq_to_name' in - * kernel/softirq.c when adding a new softirq. - */ --extern char *softirq_to_name[NR_SOFTIRQS]; -+extern const char * const softirq_to_name[NR_SOFTIRQS]; - - /* softirq mask and active fields moved to irq_cpustat_t in - * asm/hardirq.h to get better cache usage. KAO -@@ -430,12 +430,12 @@ extern char *softirq_to_name[NR_SOFTIRQS - - struct softirq_action - { -- void (*action)(struct softirq_action *); -+ void (*action)(void); - }; - - asmlinkage void do_softirq(void); - asmlinkage void __do_softirq(void); --extern void open_softirq(int nr, void (*action)(struct softirq_action *)); -+extern void open_softirq(int nr, void (*action)(void)); - extern void softirq_init(void); - static inline void __raise_softirq_irqoff(unsigned int nr) - { -diff -urNp linux-2.6.39.3/include/linux/iommu.h linux-2.6.39.3/include/linux/iommu.h ---- linux-2.6.39.3/include/linux/iommu.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/iommu.h 2011-05-22 19:36:33.000000000 -0400 -@@ -49,7 +49,7 @@ struct iommu_ops { - - #ifdef CONFIG_IOMMU_API - --extern void register_iommu(struct iommu_ops *ops); -+extern void register_iommu(const struct iommu_ops *ops); - extern bool iommu_found(void); - extern struct iommu_domain *iommu_domain_alloc(void); - extern void iommu_domain_free(struct iommu_domain *domain); -diff -urNp linux-2.6.39.3/include/linux/ipmi.h linux-2.6.39.3/include/linux/ipmi.h ---- linux-2.6.39.3/include/linux/ipmi.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/ipmi.h 2011-05-22 19:36:33.000000000 -0400 -@@ -282,7 +282,7 @@ struct ipmi_user_hndl { - - /* Create a new user of the IPMI layer on the given interface number. */ - int ipmi_create_user(unsigned int if_num, -- struct ipmi_user_hndl *handler, -+ const struct ipmi_user_hndl *handler, - void *handler_data, - ipmi_user_t *user); - -diff -urNp linux-2.6.39.3/include/linux/kallsyms.h linux-2.6.39.3/include/linux/kallsyms.h ---- linux-2.6.39.3/include/linux/kallsyms.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/kallsyms.h 2011-05-22 22:52:54.000000000 -0400 -@@ -15,7 +15,8 @@ - - struct module; - --#ifdef CONFIG_KALLSYMS -+#if !defined(__INCLUDED_BY_HIDESYM) || !defined(CONFIG_KALLSYMS) -+#if defined(CONFIG_KALLSYMS) && !defined(CONFIG_GRKERNSEC_HIDESYM) - /* Lookup the address for a symbol. Returns 0 if not found. */ - unsigned long kallsyms_lookup_name(const char *name); - -@@ -99,6 +100,16 @@ static inline int lookup_symbol_attrs(un - /* Stupid that this does nothing, but I didn't create this mess. */ - #define __print_symbol(fmt, addr) - #endif /*CONFIG_KALLSYMS*/ -+#else /* when included by kallsyms.c, vsnprintf.c, or -+ arch/x86/kernel/dumpstack.c, with HIDESYM enabled */ -+extern void __print_symbol(const char *fmt, unsigned long address); -+extern int sprint_backtrace(char *buffer, unsigned long address); -+extern int sprint_symbol(char *buffer, unsigned long address); -+const char *kallsyms_lookup(unsigned long addr, -+ unsigned long *symbolsize, -+ unsigned long *offset, -+ char **modname, char *namebuf); -+#endif - - /* This macro allows us to keep printk typechecking */ - static void __check_printsym_format(const char *fmt, ...) -diff -urNp linux-2.6.39.3/include/linux/kgdb.h linux-2.6.39.3/include/linux/kgdb.h ---- linux-2.6.39.3/include/linux/kgdb.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/kgdb.h 2011-05-22 19:36:33.000000000 -0400 -@@ -53,7 +53,7 @@ extern int kgdb_connected; - extern int kgdb_io_module_registered; - - extern atomic_t kgdb_setting_breakpoint; --extern atomic_t kgdb_cpu_doing_single_step; -+extern atomic_unchecked_t kgdb_cpu_doing_single_step; - - extern struct task_struct *kgdb_usethread; - extern struct task_struct *kgdb_contthread; -@@ -269,22 +269,22 @@ struct kgdb_arch { - */ - struct kgdb_io { - const char *name; -- int (*read_char) (void); -- void (*write_char) (u8); -- void (*flush) (void); -- int (*init) (void); -- void (*pre_exception) (void); -- void (*post_exception) (void); -+ int (* const read_char) (void); -+ void (* const write_char) (u8); -+ void (* const flush) (void); -+ int (* const init) (void); -+ void (* const pre_exception) (void); -+ void (* const post_exception) (void); - int is_console; - }; - --extern struct kgdb_arch arch_kgdb_ops; -+extern const struct kgdb_arch arch_kgdb_ops; - - extern unsigned long __weak kgdb_arch_pc(int exception, struct pt_regs *regs); - --extern int kgdb_register_io_module(struct kgdb_io *local_kgdb_io_ops); --extern void kgdb_unregister_io_module(struct kgdb_io *local_kgdb_io_ops); --extern struct kgdb_io *dbg_io_ops; -+extern int kgdb_register_io_module(const struct kgdb_io *local_kgdb_io_ops); -+extern void kgdb_unregister_io_module(const struct kgdb_io *local_kgdb_io_ops); -+extern const struct kgdb_io *dbg_io_ops; - - extern int kgdb_hex2long(char **ptr, unsigned long *long_val); - extern char *kgdb_mem2hex(char *mem, char *buf, int count); -diff -urNp linux-2.6.39.3/include/linux/kmod.h linux-2.6.39.3/include/linux/kmod.h ---- linux-2.6.39.3/include/linux/kmod.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/kmod.h 2011-05-22 19:41:42.000000000 -0400 -@@ -33,6 +33,8 @@ extern char modprobe_path[]; /* for sysc - * usually useless though. */ - extern int __request_module(bool wait, const char *name, ...) \ - __attribute__((format(printf, 2, 3))); -+extern int ___request_module(bool wait, char *param_name, const char *name, ...) \ -+ __attribute__((format(printf, 3, 4))); - #define request_module(mod...) __request_module(true, mod) - #define request_module_nowait(mod...) __request_module(false, mod) - #define try_then_request_module(x, mod...) \ -diff -urNp linux-2.6.39.3/include/linux/kvm_host.h linux-2.6.39.3/include/linux/kvm_host.h ---- linux-2.6.39.3/include/linux/kvm_host.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/kvm_host.h 2011-05-22 19:36:33.000000000 -0400 -@@ -302,7 +302,7 @@ void kvm_vcpu_uninit(struct kvm_vcpu *vc - void vcpu_load(struct kvm_vcpu *vcpu); - void vcpu_put(struct kvm_vcpu *vcpu); - --int kvm_init(void *opaque, unsigned vcpu_size, unsigned vcpu_align, -+int kvm_init(const void *opaque, unsigned vcpu_size, unsigned vcpu_align, - struct module *module); - void kvm_exit(void); - -@@ -442,7 +442,7 @@ int kvm_arch_vcpu_ioctl_set_guest_debug( - struct kvm_guest_debug *dbg); - int kvm_arch_vcpu_ioctl_run(struct kvm_vcpu *vcpu, struct kvm_run *kvm_run); - --int kvm_arch_init(void *opaque); -+int kvm_arch_init(const void *opaque); - void kvm_arch_exit(void); - - int kvm_arch_vcpu_init(struct kvm_vcpu *vcpu); -diff -urNp linux-2.6.39.3/include/linux/lapb.h linux-2.6.39.3/include/linux/lapb.h ---- linux-2.6.39.3/include/linux/lapb.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/lapb.h 2011-05-22 19:36:33.000000000 -0400 -@@ -44,7 +44,7 @@ struct lapb_parms_struct { - unsigned int mode; - }; - --extern int lapb_register(struct net_device *dev, struct lapb_register_struct *callbacks); -+extern int lapb_register(struct net_device *dev, const struct lapb_register_struct *callbacks); - extern int lapb_unregister(struct net_device *dev); - extern int lapb_getparms(struct net_device *dev, struct lapb_parms_struct *parms); - extern int lapb_setparms(struct net_device *dev, struct lapb_parms_struct *parms); -diff -urNp linux-2.6.39.3/include/linux/lcd.h linux-2.6.39.3/include/linux/lcd.h ---- linux-2.6.39.3/include/linux/lcd.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/lcd.h 2011-05-22 19:36:33.000000000 -0400 -@@ -60,7 +60,7 @@ struct lcd_device { - points to something in the body of that driver, it is also invalid. */ - struct mutex ops_lock; - /* If this is NULL, the backing module is unloaded */ -- struct lcd_ops *ops; -+ const struct lcd_ops *ops; - /* Serialise access to set_power method */ - struct mutex update_lock; - /* The framebuffer notifier block */ -@@ -101,7 +101,7 @@ static inline void lcd_set_power(struct - } - - extern struct lcd_device *lcd_device_register(const char *name, -- struct device *parent, void *devdata, struct lcd_ops *ops); -+ struct device *parent, void *devdata, const struct lcd_ops *ops); - extern void lcd_device_unregister(struct lcd_device *ld); - - #define to_lcd_device(obj) container_of(obj, struct lcd_device, dev) -diff -urNp linux-2.6.39.3/include/linux/libata.h linux-2.6.39.3/include/linux/libata.h ---- linux-2.6.39.3/include/linux/libata.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/libata.h 2011-05-22 19:36:33.000000000 -0400 -@@ -524,11 +524,11 @@ struct ata_ioports { - - struct ata_host { - spinlock_t lock; -- struct device *dev; -+ struct device *dev; - void __iomem * const *iomap; - unsigned int n_ports; - void *private_data; -- struct ata_port_operations *ops; -+ const struct ata_port_operations *ops; - unsigned long flags; - - struct mutex eh_mutex; -@@ -719,7 +719,7 @@ struct ata_link { - - struct ata_port { - struct Scsi_Host *scsi_host; /* our co-allocated scsi host */ -- struct ata_port_operations *ops; -+ const struct ata_port_operations *ops; - spinlock_t *lock; - /* Flags owned by the EH context. Only EH should touch these once the - port is active */ -@@ -907,7 +907,7 @@ struct ata_port_info { - unsigned long pio_mask; - unsigned long mwdma_mask; - unsigned long udma_mask; -- struct ata_port_operations *port_ops; -+ const struct ata_port_operations *port_ops; - void *private_data; - }; - -@@ -931,7 +931,7 @@ extern const unsigned long sata_deb_timi - extern const unsigned long sata_deb_timing_hotplug[]; - extern const unsigned long sata_deb_timing_long[]; - --extern struct ata_port_operations ata_dummy_port_ops; -+extern const struct ata_port_operations ata_dummy_port_ops; - extern const struct ata_port_info ata_dummy_port_info; - - static inline const unsigned long * -@@ -977,7 +977,7 @@ extern int ata_host_activate(struct ata_ - struct scsi_host_template *sht); - extern void ata_host_detach(struct ata_host *host); - extern void ata_host_init(struct ata_host *, struct device *, -- unsigned long, struct ata_port_operations *); -+ unsigned long, const struct ata_port_operations *); - extern int ata_scsi_detect(struct scsi_host_template *sht); - extern int ata_scsi_ioctl(struct scsi_device *dev, int cmd, void __user *arg); - extern int ata_scsi_queuecmd(struct Scsi_Host *h, struct scsi_cmnd *cmd); -diff -urNp linux-2.6.39.3/include/linux/lockd/bind.h linux-2.6.39.3/include/linux/lockd/bind.h ---- linux-2.6.39.3/include/linux/lockd/bind.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/lockd/bind.h 2011-05-22 19:36:33.000000000 -0400 -@@ -23,13 +23,13 @@ struct svc_rqst; - * This is the set of functions for lockd->nfsd communication - */ - struct nlmsvc_binding { -- __be32 (*fopen)(struct svc_rqst *, -+ __be32 (* const fopen)(struct svc_rqst *, - struct nfs_fh *, - struct file **); -- void (*fclose)(struct file *); -+ void (* const fclose)(struct file *); - }; - --extern struct nlmsvc_binding * nlmsvc_ops; -+extern const struct nlmsvc_binding * nlmsvc_ops; - - /* - * Similar to nfs_client_initdata, but without the NFS-specific -diff -urNp linux-2.6.39.3/include/linux/mfd/abx500.h linux-2.6.39.3/include/linux/mfd/abx500.h ---- linux-2.6.39.3/include/linux/mfd/abx500.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/mfd/abx500.h 2011-05-22 19:36:33.000000000 -0400 -@@ -227,6 +227,6 @@ struct abx500_ops { - int (*startup_irq_enabled) (struct device *, unsigned int); - }; - --int abx500_register_ops(struct device *core_dev, struct abx500_ops *ops); -+int abx500_register_ops(struct device *core_dev, const struct abx500_ops *ops); - void abx500_remove_ops(struct device *dev); - #endif -diff -urNp linux-2.6.39.3/include/linux/mm.h linux-2.6.39.3/include/linux/mm.h ---- linux-2.6.39.3/include/linux/mm.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/mm.h 2011-05-22 19:36:33.000000000 -0400 -@@ -113,7 +113,14 @@ extern unsigned int kobjsize(const void - - #define VM_CAN_NONLINEAR 0x08000000 /* Has ->fault & does nonlinear pages */ - #define VM_MIXEDMAP 0x10000000 /* Can contain "struct page" and pure PFN pages */ -+ -+#if defined(CONFIG_PAX_PAGEEXEC) && defined(CONFIG_X86_32) -+#define VM_SAO 0x00000000 /* Strong Access Ordering (powerpc) */ -+#define VM_PAGEEXEC 0x20000000 /* vma->vm_page_prot needs special handling */ -+#else - #define VM_SAO 0x20000000 /* Strong Access Ordering (powerpc) */ -+#endif -+ - #define VM_PFN_AT_MMAP 0x40000000 /* PFNMAP vma that is fully mapped at mmap time */ - #define VM_MERGEABLE 0x80000000 /* KSM may merge identical pages */ - -@@ -1010,34 +1017,6 @@ int set_page_dirty(struct page *page); - int set_page_dirty_lock(struct page *page); - int clear_page_dirty_for_io(struct page *page); - --/* Is the vma a continuation of the stack vma above it? */ --static inline int vma_growsdown(struct vm_area_struct *vma, unsigned long addr) --{ -- return vma && (vma->vm_end == addr) && (vma->vm_flags & VM_GROWSDOWN); --} -- --static inline int stack_guard_page_start(struct vm_area_struct *vma, -- unsigned long addr) --{ -- return (vma->vm_flags & VM_GROWSDOWN) && -- (vma->vm_start == addr) && -- !vma_growsdown(vma->vm_prev, addr); --} -- --/* Is the vma a continuation of the stack vma below it? */ --static inline int vma_growsup(struct vm_area_struct *vma, unsigned long addr) --{ -- return vma && (vma->vm_start == addr) && (vma->vm_flags & VM_GROWSUP); --} -- --static inline int stack_guard_page_end(struct vm_area_struct *vma, -- unsigned long addr) --{ -- return (vma->vm_flags & VM_GROWSUP) && -- (vma->vm_end == addr) && -- !vma_growsup(vma->vm_next, addr); --} -- - extern unsigned long move_page_tables(struct vm_area_struct *vma, - unsigned long old_addr, struct vm_area_struct *new_vma, - unsigned long new_addr, unsigned long len); -@@ -1189,6 +1168,15 @@ struct shrinker { - extern void register_shrinker(struct shrinker *); - extern void unregister_shrinker(struct shrinker *); - -+#ifdef CONFIG_MMU -+pgprot_t vm_get_page_prot(unsigned long vm_flags); -+#else -+static inline pgprot_t vm_get_page_prot(unsigned long vm_flags) -+{ -+ return __pgprot(0); -+} -+#endif -+ - int vma_wants_writenotify(struct vm_area_struct *vma); - - extern pte_t *__get_locked_pte(struct mm_struct *mm, unsigned long addr, -@@ -1476,6 +1464,7 @@ out: - } - - extern int do_munmap(struct mm_struct *, unsigned long, size_t); -+extern int __do_munmap(struct mm_struct *, unsigned long, size_t); - - extern unsigned long do_brk(unsigned long, unsigned long); - -@@ -1532,6 +1521,10 @@ extern struct vm_area_struct * find_vma( - extern struct vm_area_struct * find_vma_prev(struct mm_struct * mm, unsigned long addr, - struct vm_area_struct **pprev); - -+extern struct vm_area_struct *pax_find_mirror_vma(struct vm_area_struct *vma); -+extern __must_check long pax_mirror_vma(struct vm_area_struct *vma_m, struct vm_area_struct *vma); -+extern void pax_mirror_file_pte(struct vm_area_struct *vma, unsigned long address, struct page *page_m, spinlock_t *ptl); -+ - /* Look up the first VMA which intersects the interval start_addr..end_addr-1, - NULL if none. Assume start_addr < end_addr. */ - static inline struct vm_area_struct * find_vma_intersection(struct mm_struct * mm, unsigned long start_addr, unsigned long end_addr) -@@ -1548,15 +1541,6 @@ static inline unsigned long vma_pages(st - return (vma->vm_end - vma->vm_start) >> PAGE_SHIFT; - } - --#ifdef CONFIG_MMU --pgprot_t vm_get_page_prot(unsigned long vm_flags); --#else --static inline pgprot_t vm_get_page_prot(unsigned long vm_flags) --{ -- return __pgprot(0); --} --#endif -- - struct vm_area_struct *find_extend_vma(struct mm_struct *, unsigned long addr); - int remap_pfn_range(struct vm_area_struct *, unsigned long addr, - unsigned long pfn, unsigned long size, pgprot_t); -@@ -1668,7 +1652,7 @@ extern int unpoison_memory(unsigned long - extern int sysctl_memory_failure_early_kill; - extern int sysctl_memory_failure_recovery; - extern void shake_page(struct page *p, int access); --extern atomic_long_t mce_bad_pages; -+extern atomic_long_unchecked_t mce_bad_pages; - extern int soft_offline_page(struct page *page, int flags); - - extern void dump_page(struct page *page); -@@ -1682,5 +1666,11 @@ extern void copy_user_huge_page(struct p - unsigned int pages_per_huge_page); - #endif /* CONFIG_TRANSPARENT_HUGEPAGE || CONFIG_HUGETLBFS */ - -+#ifdef CONFIG_ARCH_TRACK_EXEC_LIMIT -+extern void track_exec_limit(struct mm_struct *mm, unsigned long start, unsigned long end, unsigned long prot); -+#else -+static inline void track_exec_limit(struct mm_struct *mm, unsigned long start, unsigned long end, unsigned long prot) {} -+#endif -+ - #endif /* __KERNEL__ */ - #endif /* _LINUX_MM_H */ -diff -urNp linux-2.6.39.3/include/linux/mm_types.h linux-2.6.39.3/include/linux/mm_types.h ---- linux-2.6.39.3/include/linux/mm_types.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/mm_types.h 2011-05-22 19:36:33.000000000 -0400 -@@ -183,6 +183,8 @@ struct vm_area_struct { - #ifdef CONFIG_NUMA - struct mempolicy *vm_policy; /* NUMA policy for the VMA */ - #endif -+ -+ struct vm_area_struct *vm_mirror;/* PaX: mirror vma or NULL */ - }; - - struct core_thread { -@@ -317,6 +319,24 @@ struct mm_struct { - #ifdef CONFIG_TRANSPARENT_HUGEPAGE - pgtable_t pmd_huge_pte; /* protected by page_table_lock */ - #endif -+ -+#if defined(CONFIG_PAX_EI_PAX) || defined(CONFIG_PAX_PT_PAX_FLAGS) || defined(CONFIG_PAX_NOEXEC) || defined(CONFIG_PAX_ASLR) -+ unsigned long pax_flags; -+#endif -+ -+#ifdef CONFIG_PAX_DLRESOLVE -+ unsigned long call_dl_resolve; -+#endif -+ -+#if defined(CONFIG_PPC32) && defined(CONFIG_PAX_EMUSIGRT) -+ unsigned long call_syscall; -+#endif -+ -+#ifdef CONFIG_PAX_ASLR -+ unsigned long delta_mmap; /* randomized offset */ -+ unsigned long delta_stack; /* randomized offset */ -+#endif -+ - }; - - /* Future-safe accessor for struct mm_struct's cpu_vm_mask. */ -diff -urNp linux-2.6.39.3/include/linux/mmu_notifier.h linux-2.6.39.3/include/linux/mmu_notifier.h ---- linux-2.6.39.3/include/linux/mmu_notifier.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/mmu_notifier.h 2011-05-22 19:36:33.000000000 -0400 -@@ -255,12 +255,12 @@ static inline void mmu_notifier_mm_destr - */ - #define ptep_clear_flush_notify(__vma, __address, __ptep) \ - ({ \ -- pte_t __pte; \ -+ pte_t ___pte; \ - struct vm_area_struct *___vma = __vma; \ - unsigned long ___address = __address; \ -- __pte = ptep_clear_flush(___vma, ___address, __ptep); \ -+ ___pte = ptep_clear_flush(___vma, ___address, __ptep); \ - mmu_notifier_invalidate_page(___vma->vm_mm, ___address); \ -- __pte; \ -+ ___pte; \ - }) - - #define pmdp_clear_flush_notify(__vma, __address, __pmdp) \ -diff -urNp linux-2.6.39.3/include/linux/mmzone.h linux-2.6.39.3/include/linux/mmzone.h ---- linux-2.6.39.3/include/linux/mmzone.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/mmzone.h 2011-05-22 19:36:33.000000000 -0400 -@@ -355,7 +355,7 @@ struct zone { - unsigned long flags; /* zone flags, see below */ - - /* Zone statistics */ -- atomic_long_t vm_stat[NR_VM_ZONE_STAT_ITEMS]; -+ atomic_long_unchecked_t vm_stat[NR_VM_ZONE_STAT_ITEMS]; - - /* - * The target ratio of ACTIVE_ANON to INACTIVE_ANON pages on -diff -urNp linux-2.6.39.3/include/linux/mod_devicetable.h linux-2.6.39.3/include/linux/mod_devicetable.h ---- linux-2.6.39.3/include/linux/mod_devicetable.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/mod_devicetable.h 2011-05-22 19:36:33.000000000 -0400 -@@ -12,7 +12,7 @@ - typedef unsigned long kernel_ulong_t; - #endif - --#define PCI_ANY_ID (~0) -+#define PCI_ANY_ID ((__u16)~0) - - struct pci_device_id { - __u32 vendor, device; /* Vendor and device ID or PCI_ANY_ID*/ -@@ -131,7 +131,7 @@ struct usb_device_id { - #define USB_DEVICE_ID_MATCH_INT_SUBCLASS 0x0100 - #define USB_DEVICE_ID_MATCH_INT_PROTOCOL 0x0200 - --#define HID_ANY_ID (~0) -+#define HID_ANY_ID (~0U) - - struct hid_device_id { - __u16 bus; -diff -urNp linux-2.6.39.3/include/linux/module.h linux-2.6.39.3/include/linux/module.h ---- linux-2.6.39.3/include/linux/module.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/module.h 2011-05-22 19:36:33.000000000 -0400 -@@ -324,19 +324,16 @@ struct module - int (*init)(void); - - /* If this is non-NULL, vfree after init() returns */ -- void *module_init; -+ void *module_init_rx, *module_init_rw; - - /* Here is the actual code + data, vfree'd on unload. */ -- void *module_core; -+ void *module_core_rx, *module_core_rw; - - /* Here are the sizes of the init and core sections */ -- unsigned int init_size, core_size; -+ unsigned int init_size_rw, core_size_rw; - - /* The size of the executable code in each section. */ -- unsigned int init_text_size, core_text_size; -- -- /* Size of RO sections of the module (text+rodata) */ -- unsigned int init_ro_size, core_ro_size; -+ unsigned int init_size_rx, core_size_rx; - - /* Arch-specific module values */ - struct mod_arch_specific arch; -@@ -441,16 +438,46 @@ bool is_module_address(unsigned long add - bool is_module_percpu_address(unsigned long addr); - bool is_module_text_address(unsigned long addr); - -+static inline int within_module_range(unsigned long addr, void *start, unsigned long size) -+{ -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ if (ktla_ktva(addr) >= (unsigned long)start && -+ ktla_ktva(addr) < (unsigned long)start + size) -+ return 1; -+#endif -+ -+ return ((void *)addr >= start && (void *)addr < start + size); -+} -+ -+static inline int within_module_core_rx(unsigned long addr, struct module *mod) -+{ -+ return within_module_range(addr, mod->module_core_rx, mod->core_size_rx); -+} -+ -+static inline int within_module_core_rw(unsigned long addr, struct module *mod) -+{ -+ return within_module_range(addr, mod->module_core_rw, mod->core_size_rw); -+} -+ -+static inline int within_module_init_rx(unsigned long addr, struct module *mod) -+{ -+ return within_module_range(addr, mod->module_init_rx, mod->init_size_rx); -+} -+ -+static inline int within_module_init_rw(unsigned long addr, struct module *mod) -+{ -+ return within_module_range(addr, mod->module_init_rw, mod->init_size_rw); -+} -+ - static inline int within_module_core(unsigned long addr, struct module *mod) - { -- return (unsigned long)mod->module_core <= addr && -- addr < (unsigned long)mod->module_core + mod->core_size; -+ return within_module_core_rx(addr, mod) || within_module_core_rw(addr, mod); - } - - static inline int within_module_init(unsigned long addr, struct module *mod) - { -- return (unsigned long)mod->module_init <= addr && -- addr < (unsigned long)mod->module_init + mod->init_size; -+ return within_module_init_rx(addr, mod) || within_module_init_rw(addr, mod); - } - - /* Search for module by name: must hold module_mutex. */ -diff -urNp linux-2.6.39.3/include/linux/moduleloader.h linux-2.6.39.3/include/linux/moduleloader.h ---- linux-2.6.39.3/include/linux/moduleloader.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/moduleloader.h 2011-05-22 19:36:33.000000000 -0400 -@@ -20,9 +20,21 @@ unsigned int arch_mod_section_prepend(st - sections. Returns NULL on failure. */ - void *module_alloc(unsigned long size); - -+#ifdef CONFIG_PAX_KERNEXEC -+void *module_alloc_exec(unsigned long size); -+#else -+#define module_alloc_exec(x) module_alloc(x) -+#endif -+ - /* Free memory returned from module_alloc. */ - void module_free(struct module *mod, void *module_region); - -+#ifdef CONFIG_PAX_KERNEXEC -+void module_free_exec(struct module *mod, void *module_region); -+#else -+#define module_free_exec(x, y) module_free((x), (y)) -+#endif -+ - /* Apply the given relocation to the (simplified) ELF. Return -error - or 0. */ - int apply_relocate(Elf_Shdr *sechdrs, -diff -urNp linux-2.6.39.3/include/linux/moduleparam.h linux-2.6.39.3/include/linux/moduleparam.h ---- linux-2.6.39.3/include/linux/moduleparam.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/moduleparam.h 2011-05-22 19:36:33.000000000 -0400 -@@ -255,7 +255,7 @@ static inline void __kernel_param_unlock - * @len is usually just sizeof(string). - */ - #define module_param_string(name, string, len, perm) \ -- static const struct kparam_string __param_string_##name \ -+ static const struct kparam_string __param_string_##name __used \ - = { len, string }; \ - __module_param_call(MODULE_PARAM_PREFIX, name, \ - ¶m_ops_string, \ -@@ -285,48 +285,48 @@ static inline void destroy_params(const - #define __param_check(name, p, type) \ - static inline type *__check_##name(void) { return(p); } - --extern struct kernel_param_ops param_ops_byte; -+extern const struct kernel_param_ops param_ops_byte; - extern int param_set_byte(const char *val, const struct kernel_param *kp); - extern int param_get_byte(char *buffer, const struct kernel_param *kp); - #define param_check_byte(name, p) __param_check(name, p, unsigned char) - --extern struct kernel_param_ops param_ops_short; -+extern const struct kernel_param_ops param_ops_short; - extern int param_set_short(const char *val, const struct kernel_param *kp); - extern int param_get_short(char *buffer, const struct kernel_param *kp); - #define param_check_short(name, p) __param_check(name, p, short) - --extern struct kernel_param_ops param_ops_ushort; -+extern const struct kernel_param_ops param_ops_ushort; - extern int param_set_ushort(const char *val, const struct kernel_param *kp); - extern int param_get_ushort(char *buffer, const struct kernel_param *kp); - #define param_check_ushort(name, p) __param_check(name, p, unsigned short) - --extern struct kernel_param_ops param_ops_int; -+extern const struct kernel_param_ops param_ops_int; - extern int param_set_int(const char *val, const struct kernel_param *kp); - extern int param_get_int(char *buffer, const struct kernel_param *kp); - #define param_check_int(name, p) __param_check(name, p, int) - --extern struct kernel_param_ops param_ops_uint; -+extern const struct kernel_param_ops param_ops_uint; - extern int param_set_uint(const char *val, const struct kernel_param *kp); - extern int param_get_uint(char *buffer, const struct kernel_param *kp); - #define param_check_uint(name, p) __param_check(name, p, unsigned int) - --extern struct kernel_param_ops param_ops_long; -+extern const struct kernel_param_ops param_ops_long; - extern int param_set_long(const char *val, const struct kernel_param *kp); - extern int param_get_long(char *buffer, const struct kernel_param *kp); - #define param_check_long(name, p) __param_check(name, p, long) - --extern struct kernel_param_ops param_ops_ulong; -+extern const struct kernel_param_ops param_ops_ulong; - extern int param_set_ulong(const char *val, const struct kernel_param *kp); - extern int param_get_ulong(char *buffer, const struct kernel_param *kp); - #define param_check_ulong(name, p) __param_check(name, p, unsigned long) - --extern struct kernel_param_ops param_ops_charp; -+extern const struct kernel_param_ops param_ops_charp; - extern int param_set_charp(const char *val, const struct kernel_param *kp); - extern int param_get_charp(char *buffer, const struct kernel_param *kp); - #define param_check_charp(name, p) __param_check(name, p, char *) - - /* For historical reasons "bool" parameters can be (unsigned) "int". */ --extern struct kernel_param_ops param_ops_bool; -+extern const struct kernel_param_ops param_ops_bool; - extern int param_set_bool(const char *val, const struct kernel_param *kp); - extern int param_get_bool(char *buffer, const struct kernel_param *kp); - #define param_check_bool(name, p) \ -@@ -337,7 +337,7 @@ extern int param_get_bool(char *buffer, - !__same_type((p), int *)); \ - } - --extern struct kernel_param_ops param_ops_invbool; -+extern const struct kernel_param_ops param_ops_invbool; - extern int param_set_invbool(const char *val, const struct kernel_param *kp); - extern int param_get_invbool(char *buffer, const struct kernel_param *kp); - #define param_check_invbool(name, p) __param_check(name, p, bool) -@@ -370,7 +370,7 @@ extern int param_get_invbool(char *buffe - * module_param_named() for why this might be necessary. - */ - #define module_param_array_named(name, array, type, nump, perm) \ -- static const struct kparam_array __param_arr_##name \ -+ static const struct kparam_array __param_arr_##name __used \ - = { ARRAY_SIZE(array), nump, ¶m_ops_##type, \ - sizeof(array[0]), array }; \ - __module_param_call(MODULE_PARAM_PREFIX, name, \ -@@ -379,9 +379,9 @@ extern int param_get_invbool(char *buffe - __same_type(array[0], bool), perm); \ - __MODULE_PARM_TYPE(name, "array of " #type) - --extern struct kernel_param_ops param_array_ops; -+extern const struct kernel_param_ops param_array_ops; - --extern struct kernel_param_ops param_ops_string; -+extern const struct kernel_param_ops param_ops_string; - extern int param_set_copystring(const char *val, const struct kernel_param *); - extern int param_get_string(char *buffer, const struct kernel_param *kp); - -diff -urNp linux-2.6.39.3/include/linux/mutex.h linux-2.6.39.3/include/linux/mutex.h ---- linux-2.6.39.3/include/linux/mutex.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/mutex.h 2011-05-22 19:36:33.000000000 -0400 -@@ -51,7 +51,7 @@ struct mutex { - spinlock_t wait_lock; - struct list_head wait_list; - #if defined(CONFIG_DEBUG_MUTEXES) || defined(CONFIG_SMP) -- struct thread_info *owner; -+ struct task_struct *owner; - #endif - #ifdef CONFIG_DEBUG_MUTEXES - const char *name; -diff -urNp linux-2.6.39.3/include/linux/namei.h linux-2.6.39.3/include/linux/namei.h ---- linux-2.6.39.3/include/linux/namei.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/namei.h 2011-05-22 19:36:33.000000000 -0400 -@@ -24,7 +24,7 @@ struct nameidata { - unsigned seq; - int last_type; - unsigned depth; -- char *saved_names[MAX_NESTED_LINKS + 1]; -+ const char *saved_names[MAX_NESTED_LINKS + 1]; - - /* Intent data */ - union { -@@ -91,12 +91,12 @@ extern int follow_up(struct path *); - extern struct dentry *lock_rename(struct dentry *, struct dentry *); - extern void unlock_rename(struct dentry *, struct dentry *); - --static inline void nd_set_link(struct nameidata *nd, char *path) -+static inline void nd_set_link(struct nameidata *nd, const char *path) - { - nd->saved_names[nd->depth] = path; - } - --static inline char *nd_get_link(struct nameidata *nd) -+static inline const char *nd_get_link(const struct nameidata *nd) - { - return nd->saved_names[nd->depth]; - } -diff -urNp linux-2.6.39.3/include/linux/netfilter/xt_gradm.h linux-2.6.39.3/include/linux/netfilter/xt_gradm.h ---- linux-2.6.39.3/include/linux/netfilter/xt_gradm.h 1969-12-31 19:00:00.000000000 -0500 -+++ linux-2.6.39.3/include/linux/netfilter/xt_gradm.h 2011-05-22 19:41:42.000000000 -0400 -@@ -0,0 +1,9 @@ -+#ifndef _LINUX_NETFILTER_XT_GRADM_H -+#define _LINUX_NETFILTER_XT_GRADM_H 1 -+ -+struct xt_gradm_mtinfo { -+ __u16 flags; -+ __u16 invflags; -+}; -+ -+#endif -diff -urNp linux-2.6.39.3/include/linux/oprofile.h linux-2.6.39.3/include/linux/oprofile.h ---- linux-2.6.39.3/include/linux/oprofile.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/oprofile.h 2011-05-22 19:36:33.000000000 -0400 -@@ -139,9 +139,9 @@ int oprofilefs_create_ulong(struct super - int oprofilefs_create_ro_ulong(struct super_block * sb, struct dentry * root, - char const * name, ulong * val); - --/** Create a file for read-only access to an atomic_t. */ -+/** Create a file for read-only access to an atomic_unchecked_t. */ - int oprofilefs_create_ro_atomic(struct super_block * sb, struct dentry * root, -- char const * name, atomic_t * val); -+ char const * name, atomic_unchecked_t * val); - - /** create a directory */ - struct dentry * oprofilefs_mkdir(struct super_block * sb, struct dentry * root, -diff -urNp linux-2.6.39.3/include/linux/padata.h linux-2.6.39.3/include/linux/padata.h ---- linux-2.6.39.3/include/linux/padata.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/padata.h 2011-05-22 19:36:33.000000000 -0400 -@@ -129,7 +129,7 @@ struct parallel_data { - struct padata_instance *pinst; - struct padata_parallel_queue __percpu *pqueue; - struct padata_serial_queue __percpu *squeue; -- atomic_t seq_nr; -+ atomic_unchecked_t seq_nr; - atomic_t reorder_objects; - atomic_t refcnt; - unsigned int max_seq_nr; -diff -urNp linux-2.6.39.3/include/linux/pci.h linux-2.6.39.3/include/linux/pci.h ---- linux-2.6.39.3/include/linux/pci.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/pci.h 2011-05-22 19:36:33.000000000 -0400 -@@ -411,7 +411,7 @@ struct pci_bus { - struct resource *resource[PCI_BRIDGE_RESOURCE_NUM]; - struct list_head resources; /* address space routed to this bus */ - -- struct pci_ops *ops; /* configuration access functions */ -+ const struct pci_ops *ops; /* configuration access functions */ - void *sysdata; /* hook for sys-specific extension */ - struct proc_dir_entry *procdir; /* directory entry in /proc/bus/pci */ - -@@ -550,7 +550,7 @@ struct pci_driver { - int (*resume_early) (struct pci_dev *dev); - int (*resume) (struct pci_dev *dev); /* Device woken up */ - void (*shutdown) (struct pci_dev *dev); -- struct pci_error_handlers *err_handler; -+ const struct pci_error_handlers *err_handler; - struct device_driver driver; - struct pci_dynids dynids; - }; -@@ -639,7 +639,7 @@ void pcibios_scan_specific_bus(int busn) - extern struct pci_bus *pci_find_bus(int domain, int busnr); - void pci_bus_add_devices(const struct pci_bus *bus); - struct pci_bus *pci_scan_bus_parented(struct device *parent, int bus, -- struct pci_ops *ops, void *sysdata); -+ const struct pci_ops *ops, void *sysdata); - static inline struct pci_bus * __devinit pci_scan_bus(int bus, struct pci_ops *ops, - void *sysdata) - { -@@ -650,7 +650,7 @@ static inline struct pci_bus * __devinit - return root_bus; - } - struct pci_bus *pci_create_bus(struct device *parent, int bus, -- struct pci_ops *ops, void *sysdata); -+ const struct pci_ops *ops, void *sysdata); - struct pci_bus *pci_add_new_bus(struct pci_bus *parent, struct pci_dev *dev, - int busnr); - void pcie_update_link_speed(struct pci_bus *bus, u16 link_status); -@@ -727,7 +727,7 @@ int pci_bus_write_config_word(struct pci - int where, u16 val); - int pci_bus_write_config_dword(struct pci_bus *bus, unsigned int devfn, - int where, u32 val); --struct pci_ops *pci_bus_set_ops(struct pci_bus *bus, struct pci_ops *ops); -+const struct pci_ops *pci_bus_set_ops(struct pci_bus *bus, const struct pci_ops *ops); - - static inline int pci_read_config_byte(struct pci_dev *dev, int where, u8 *val) - { -diff -urNp linux-2.6.39.3/include/linux/perf_event.h linux-2.6.39.3/include/linux/perf_event.h ---- linux-2.6.39.3/include/linux/perf_event.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/perf_event.h 2011-05-22 19:36:33.000000000 -0400 -@@ -759,8 +759,8 @@ struct perf_event { - - enum perf_event_active_state state; - unsigned int attach_state; -- local64_t count; -- atomic64_t child_count; -+ local64_t count; /* PaX: fix it one day */ -+ atomic64_unchecked_t child_count; - - /* - * These are the total time in nanoseconds that the event -@@ -811,8 +811,8 @@ struct perf_event { - * These accumulate total time (in nanoseconds) that children - * events have been enabled and running, respectively. - */ -- atomic64_t child_total_time_enabled; -- atomic64_t child_total_time_running; -+ atomic64_unchecked_t child_total_time_enabled; -+ atomic64_unchecked_t child_total_time_running; - - /* - * Protect attach/detach and child_list: -@@ -1090,9 +1090,9 @@ void perf_event_task_sched_out(struct ta - } - - extern void perf_event_mmap(struct vm_area_struct *vma); --extern struct perf_guest_info_callbacks *perf_guest_cbs; --extern int perf_register_guest_info_callbacks(struct perf_guest_info_callbacks *callbacks); --extern int perf_unregister_guest_info_callbacks(struct perf_guest_info_callbacks *callbacks); -+extern const struct perf_guest_info_callbacks *perf_guest_cbs; -+extern int perf_register_guest_info_callbacks(const struct perf_guest_info_callbacks *callbacks); -+extern int perf_unregister_guest_info_callbacks(const struct perf_guest_info_callbacks *callbacks); - - extern void perf_event_comm(struct task_struct *tsk); - extern void perf_event_fork(struct task_struct *tsk); -diff -urNp linux-2.6.39.3/include/linux/pipe_fs_i.h linux-2.6.39.3/include/linux/pipe_fs_i.h ---- linux-2.6.39.3/include/linux/pipe_fs_i.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/pipe_fs_i.h 2011-05-22 19:36:33.000000000 -0400 -@@ -46,9 +46,9 @@ struct pipe_buffer { - struct pipe_inode_info { - wait_queue_head_t wait; - unsigned int nrbufs, curbuf, buffers; -- unsigned int readers; -- unsigned int writers; -- unsigned int waiting_writers; -+ atomic_t readers; -+ atomic_t writers; -+ atomic_t waiting_writers; - unsigned int r_counter; - unsigned int w_counter; - struct page *tmp_page; -diff -urNp linux-2.6.39.3/include/linux/pm.h linux-2.6.39.3/include/linux/pm.h ---- linux-2.6.39.3/include/linux/pm.h 2011-07-09 09:18:51.000000000 -0400 -+++ linux-2.6.39.3/include/linux/pm.h 2011-07-09 09:19:24.000000000 -0400 -@@ -268,7 +268,7 @@ const struct dev_pm_ops name = { \ - * runtime PM, make the pm member point to generic_subsys_pm_ops. - */ - #ifdef CONFIG_PM --extern struct dev_pm_ops generic_subsys_pm_ops; -+extern const struct dev_pm_ops generic_subsys_pm_ops; - #define GENERIC_SUBSYS_PM_OPS (&generic_subsys_pm_ops) - #else - #define GENERIC_SUBSYS_PM_OPS NULL -@@ -472,7 +472,7 @@ extern void update_pm_runtime_accounting - * subsystem-level and driver-level callbacks. - */ - struct dev_power_domain { -- struct dev_pm_ops ops; -+ const struct dev_pm_ops ops; - }; - - /* -diff -urNp linux-2.6.39.3/include/linux/pm_runtime.h linux-2.6.39.3/include/linux/pm_runtime.h ---- linux-2.6.39.3/include/linux/pm_runtime.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/pm_runtime.h 2011-05-22 19:36:33.000000000 -0400 -@@ -94,7 +94,7 @@ static inline bool pm_runtime_callbacks_ - - static inline void pm_runtime_mark_last_busy(struct device *dev) - { -- ACCESS_ONCE(dev->power.last_busy) = jiffies; -+ ACCESS_ONCE_RW(dev->power.last_busy) = jiffies; - } - - #else /* !CONFIG_PM_RUNTIME */ -diff -urNp linux-2.6.39.3/include/linux/poison.h linux-2.6.39.3/include/linux/poison.h ---- linux-2.6.39.3/include/linux/poison.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/poison.h 2011-05-22 19:36:33.000000000 -0400 -@@ -19,8 +19,8 @@ - * under normal circumstances, used to verify that nobody uses - * non-initialized list entries. - */ --#define LIST_POISON1 ((void *) 0x00100100 + POISON_POINTER_DELTA) --#define LIST_POISON2 ((void *) 0x00200200 + POISON_POINTER_DELTA) -+#define LIST_POISON1 ((void *) (long)0xFFFFFF01) -+#define LIST_POISON2 ((void *) (long)0xFFFFFF02) - - /********** include/linux/timer.h **********/ - /* -diff -urNp linux-2.6.39.3/include/linux/posix-timers.h linux-2.6.39.3/include/linux/posix-timers.h ---- linux-2.6.39.3/include/linux/posix-timers.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/posix-timers.h 2011-05-22 19:36:33.000000000 -0400 -@@ -102,10 +102,10 @@ struct k_clock { - struct itimerspec * cur_setting); - }; - --extern struct k_clock clock_posix_cpu; --extern struct k_clock clock_posix_dynamic; -+extern const struct k_clock clock_posix_cpu; -+extern const struct k_clock clock_posix_dynamic; - --void posix_timers_register_clock(const clockid_t clock_id, struct k_clock *new_clock); -+void posix_timers_register_clock(const clockid_t clock_id, const struct k_clock *new_clock); - - /* function to call to trigger timer event */ - int posix_timer_event(struct k_itimer *timr, int si_private); -diff -urNp linux-2.6.39.3/include/linux/proc_fs.h linux-2.6.39.3/include/linux/proc_fs.h ---- linux-2.6.39.3/include/linux/proc_fs.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/proc_fs.h 2011-05-22 19:41:42.000000000 -0400 -@@ -155,6 +155,19 @@ static inline struct proc_dir_entry *pro - return proc_create_data(name, mode, parent, proc_fops, NULL); - } - -+static inline struct proc_dir_entry *proc_create_grsec(const char *name, mode_t mode, -+ struct proc_dir_entry *parent, const struct file_operations *proc_fops) -+{ -+#ifdef CONFIG_GRKERNSEC_PROC_USER -+ return proc_create_data(name, S_IRUSR, parent, proc_fops, NULL); -+#elif defined(CONFIG_GRKERNSEC_PROC_USERGROUP) -+ return proc_create_data(name, S_IRUSR | S_IRGRP, parent, proc_fops, NULL); -+#else -+ return proc_create_data(name, mode, parent, proc_fops, NULL); -+#endif -+} -+ -+ - static inline struct proc_dir_entry *create_proc_read_entry(const char *name, - mode_t mode, struct proc_dir_entry *base, - read_proc_t *read_proc, void * data) -diff -urNp linux-2.6.39.3/include/linux/ptrace.h linux-2.6.39.3/include/linux/ptrace.h ---- linux-2.6.39.3/include/linux/ptrace.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/ptrace.h 2011-05-22 19:41:42.000000000 -0400 -@@ -115,10 +115,10 @@ extern void __ptrace_unlink(struct task_ - extern void exit_ptrace(struct task_struct *tracer); - #define PTRACE_MODE_READ 1 - #define PTRACE_MODE_ATTACH 2 --/* Returns 0 on success, -errno on denial. */ --extern int __ptrace_may_access(struct task_struct *task, unsigned int mode); - /* Returns true on success, false on denial. */ - extern bool ptrace_may_access(struct task_struct *task, unsigned int mode); -+/* Returns true on success, false on denial. */ -+extern bool ptrace_may_access_log(struct task_struct *task, unsigned int mode); - - static inline int ptrace_reparented(struct task_struct *child) - { -diff -urNp linux-2.6.39.3/include/linux/random.h linux-2.6.39.3/include/linux/random.h ---- linux-2.6.39.3/include/linux/random.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/random.h 2011-05-22 19:36:33.000000000 -0400 -@@ -80,12 +80,17 @@ void srandom32(u32 seed); - - u32 prandom32(struct rnd_state *); - -+static inline unsigned long pax_get_random_long(void) -+{ -+ return random32() + (sizeof(long) > 4 ? (unsigned long)random32() << 32 : 0); -+} -+ - /* - * Handle minimum values for seeds - */ - static inline u32 __seed(u32 x, u32 m) - { -- return (x < m) ? x + m : x; -+ return (x <= m) ? x + m + 1 : x; - } - - /** -diff -urNp linux-2.6.39.3/include/linux/reboot.h linux-2.6.39.3/include/linux/reboot.h ---- linux-2.6.39.3/include/linux/reboot.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/reboot.h 2011-05-22 19:36:33.000000000 -0400 -@@ -47,9 +47,9 @@ extern int unregister_reboot_notifier(st - * Architecture-specific implementations of sys_reboot commands. - */ - --extern void machine_restart(char *cmd); --extern void machine_halt(void); --extern void machine_power_off(void); -+extern void machine_restart(char *cmd) __noreturn; -+extern void machine_halt(void) __noreturn; -+extern void machine_power_off(void) __noreturn; - - extern void machine_shutdown(void); - struct pt_regs; -@@ -60,9 +60,9 @@ extern void machine_crash_shutdown(struc - */ - - extern void kernel_restart_prepare(char *cmd); --extern void kernel_restart(char *cmd); --extern void kernel_halt(void); --extern void kernel_power_off(void); -+extern void kernel_restart(char *cmd) __noreturn; -+extern void kernel_halt(void) __noreturn; -+extern void kernel_power_off(void) __noreturn; - - extern int C_A_D; /* for sysctl */ - void ctrl_alt_del(void); -@@ -76,7 +76,7 @@ extern int orderly_poweroff(bool force); - * Emergency restart, callable from an interrupt handler. - */ - --extern void emergency_restart(void); -+extern void emergency_restart(void) __noreturn; - #include <asm/emergency-restart.h> - - #endif -diff -urNp linux-2.6.39.3/include/linux/reiserfs_fs.h linux-2.6.39.3/include/linux/reiserfs_fs.h ---- linux-2.6.39.3/include/linux/reiserfs_fs.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/reiserfs_fs.h 2011-05-22 19:36:33.000000000 -0400 -@@ -1406,7 +1406,7 @@ static inline loff_t max_reiserfs_offset - #define REISERFS_USER_MEM 1 /* reiserfs user memory mode */ - - #define fs_generation(s) (REISERFS_SB(s)->s_generation_counter) --#define get_generation(s) atomic_read (&fs_generation(s)) -+#define get_generation(s) atomic_read_unchecked (&fs_generation(s)) - #define FILESYSTEM_CHANGED_TB(tb) (get_generation((tb)->tb_sb) != (tb)->fs_gen) - #define __fs_changed(gen,s) (gen != get_generation (s)) - #define fs_changed(gen,s) \ -@@ -1618,24 +1618,24 @@ static inline struct super_block *sb_fro - */ - - struct item_operations { -- int (*bytes_number) (struct item_head * ih, int block_size); -- void (*decrement_key) (struct cpu_key *); -- int (*is_left_mergeable) (struct reiserfs_key * ih, -+ int (* const bytes_number) (struct item_head * ih, int block_size); -+ void (* const decrement_key) (struct cpu_key *); -+ int (* const is_left_mergeable) (struct reiserfs_key * ih, - unsigned long bsize); -- void (*print_item) (struct item_head *, char *item); -- void (*check_item) (struct item_head *, char *item); -+ void (* const print_item) (struct item_head *, char *item); -+ void (* const check_item) (struct item_head *, char *item); - -- int (*create_vi) (struct virtual_node * vn, struct virtual_item * vi, -+ int (* const create_vi) (struct virtual_node * vn, struct virtual_item * vi, - int is_affected, int insert_size); -- int (*check_left) (struct virtual_item * vi, int free, -+ int (* const check_left) (struct virtual_item * vi, int free, - int start_skip, int end_skip); -- int (*check_right) (struct virtual_item * vi, int free); -- int (*part_size) (struct virtual_item * vi, int from, int to); -- int (*unit_num) (struct virtual_item * vi); -- void (*print_vi) (struct virtual_item * vi); -+ int (* const check_right) (struct virtual_item * vi, int free); -+ int (* const part_size) (struct virtual_item * vi, int from, int to); -+ int (* const unit_num) (struct virtual_item * vi); -+ void (* const print_vi) (struct virtual_item * vi); - }; - --extern struct item_operations *item_ops[TYPE_ANY + 1]; -+extern const struct item_operations * const item_ops[TYPE_ANY + 1]; - - #define op_bytes_number(ih,bsize) item_ops[le_ih_k_type (ih)]->bytes_number (ih, bsize) - #define op_is_left_mergeable(key,bsize) item_ops[le_key_k_type (le_key_version (key), key)]->is_left_mergeable (key, bsize) -diff -urNp linux-2.6.39.3/include/linux/reiserfs_fs_sb.h linux-2.6.39.3/include/linux/reiserfs_fs_sb.h ---- linux-2.6.39.3/include/linux/reiserfs_fs_sb.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/reiserfs_fs_sb.h 2011-05-22 19:36:33.000000000 -0400 -@@ -386,7 +386,7 @@ struct reiserfs_sb_info { - /* Comment? -Hans */ - wait_queue_head_t s_wait; - /* To be obsoleted soon by per buffer seals.. -Hans */ -- atomic_t s_generation_counter; // increased by one every time the -+ atomic_unchecked_t s_generation_counter; // increased by one every time the - // tree gets re-balanced - unsigned long s_properties; /* File system properties. Currently holds - on-disk FS format */ -diff -urNp linux-2.6.39.3/include/linux/rmap.h linux-2.6.39.3/include/linux/rmap.h ---- linux-2.6.39.3/include/linux/rmap.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/rmap.h 2011-05-22 19:36:33.000000000 -0400 -@@ -119,8 +119,8 @@ static inline void anon_vma_unlock(struc - void anon_vma_init(void); /* create anon_vma_cachep */ - int anon_vma_prepare(struct vm_area_struct *); - void unlink_anon_vmas(struct vm_area_struct *); --int anon_vma_clone(struct vm_area_struct *, struct vm_area_struct *); --int anon_vma_fork(struct vm_area_struct *, struct vm_area_struct *); -+int anon_vma_clone(struct vm_area_struct *, const struct vm_area_struct *); -+int anon_vma_fork(struct vm_area_struct *, const struct vm_area_struct *); - void __anon_vma_link(struct vm_area_struct *); - - static inline void anon_vma_merge(struct vm_area_struct *vma, -diff -urNp linux-2.6.39.3/include/linux/sched.h linux-2.6.39.3/include/linux/sched.h ---- linux-2.6.39.3/include/linux/sched.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/sched.h 2011-07-14 21:03:15.000000000 -0400 -@@ -100,6 +100,7 @@ struct bio_list; - struct fs_struct; - struct perf_event_context; - struct blk_plug; -+struct linux_binprm; - - /* - * List of flags we want to share for kernel threads, -@@ -360,7 +361,7 @@ extern signed long schedule_timeout_inte - extern signed long schedule_timeout_killable(signed long timeout); - extern signed long schedule_timeout_uninterruptible(signed long timeout); - asmlinkage void schedule(void); --extern int mutex_spin_on_owner(struct mutex *lock, struct thread_info *owner); -+extern int mutex_spin_on_owner(struct mutex *lock, struct task_struct *owner); - - struct nsproxy; - struct user_namespace; -@@ -381,10 +382,13 @@ struct user_namespace; - #define DEFAULT_MAX_MAP_COUNT (USHRT_MAX - MAPCOUNT_ELF_CORE_MARGIN) - - extern int sysctl_max_map_count; -+extern unsigned long sysctl_heap_stack_gap; - - #include <linux/aio.h> - - #ifdef CONFIG_MMU -+extern bool check_heap_stack_gap(const struct vm_area_struct *vma, unsigned long addr, unsigned long len); -+extern unsigned long skip_heap_stack_gap(const struct vm_area_struct *vma, unsigned long len); - extern void arch_pick_mmap_layout(struct mm_struct *mm); - extern unsigned long - arch_get_unmapped_area(struct file *, unsigned long, unsigned long, -@@ -629,6 +633,17 @@ struct signal_struct { - #ifdef CONFIG_TASKSTATS - struct taskstats *stats; - #endif -+ -+#ifdef CONFIG_GRKERNSEC -+ u32 curr_ip; -+ u32 saved_ip; -+ u32 gr_saddr; -+ u32 gr_daddr; -+ u16 gr_sport; -+ u16 gr_dport; -+ u8 used_accept:1; -+#endif -+ - #ifdef CONFIG_AUDIT - unsigned audit_tty; - struct tty_audit_buf *tty_audit_buf; -@@ -701,6 +716,11 @@ struct user_struct { - struct key *session_keyring; /* UID's default session keyring */ - #endif - -+#if defined(CONFIG_GRKERNSEC_KERN_LOCKOUT) || defined(CONFIG_GRKERNSEC_BRUTE) -+ unsigned int banned; -+ unsigned long ban_expires; -+#endif -+ - /* Hash table maintenance information */ - struct hlist_node uidhash_node; - uid_t uid; -@@ -1310,8 +1330,8 @@ struct task_struct { - struct list_head thread_group; - - struct completion *vfork_done; /* for vfork() */ -- int __user *set_child_tid; /* CLONE_CHILD_SETTID */ -- int __user *clear_child_tid; /* CLONE_CHILD_CLEARTID */ -+ pid_t __user *set_child_tid; /* CLONE_CHILD_SETTID */ -+ pid_t __user *clear_child_tid; /* CLONE_CHILD_CLEARTID */ - - cputime_t utime, stime, utimescaled, stimescaled; - cputime_t gtime; -@@ -1327,13 +1347,6 @@ struct task_struct { - struct task_cputime cputime_expires; - struct list_head cpu_timers[3]; - --/* process credentials */ -- const struct cred __rcu *real_cred; /* objective and real subjective task -- * credentials (COW) */ -- const struct cred __rcu *cred; /* effective (overridable) subjective task -- * credentials (COW) */ -- struct cred *replacement_session_keyring; /* for KEYCTL_SESSION_TO_PARENT */ -- - char comm[TASK_COMM_LEN]; /* executable name excluding path - - access with [gs]et_task_comm (which lock - it with task_lock()) -@@ -1350,8 +1363,16 @@ struct task_struct { - #endif - /* CPU-specific state of this task */ - struct thread_struct thread; -+/* thread_info moved to task_struct */ -+#ifdef CONFIG_X86 -+ struct thread_info tinfo; -+#endif - /* filesystem information */ - struct fs_struct *fs; -+ -+ const struct cred __rcu *cred; /* effective (overridable) subjective task -+ * credentials (COW) */ -+ - /* open file information */ - struct files_struct *files; - /* namespaces */ -@@ -1398,6 +1419,11 @@ struct task_struct { - struct rt_mutex_waiter *pi_blocked_on; - #endif - -+/* process credentials */ -+ const struct cred __rcu *real_cred; /* objective and real subjective task -+ * credentials (COW) */ -+ struct cred *replacement_session_keyring; /* for KEYCTL_SESSION_TO_PARENT */ -+ - #ifdef CONFIG_DEBUG_MUTEXES - /* mutex deadlock detection */ - struct mutex_waiter *blocked_on; -@@ -1508,6 +1534,21 @@ struct task_struct { - unsigned long default_timer_slack_ns; - - struct list_head *scm_work_list; -+ -+#ifdef CONFIG_GRKERNSEC -+ /* grsecurity */ -+ struct dentry *gr_chroot_dentry; -+ struct acl_subject_label *acl; -+ struct acl_role_label *role; -+ struct file *exec_file; -+ u16 acl_role_id; -+ /* is this the task that authenticated to the special role */ -+ u8 acl_sp_role; -+ u8 is_writable; -+ u8 brute; -+ u8 gr_is_chrooted; -+#endif -+ - #ifdef CONFIG_FUNCTION_GRAPH_TRACER - /* Index of current stored address in ret_stack */ - int curr_ret_stack; -@@ -1542,6 +1583,57 @@ struct task_struct { - #endif - }; - -+#define MF_PAX_PAGEEXEC 0x01000000 /* Paging based non-executable pages */ -+#define MF_PAX_EMUTRAMP 0x02000000 /* Emulate trampolines */ -+#define MF_PAX_MPROTECT 0x04000000 /* Restrict mprotect() */ -+#define MF_PAX_RANDMMAP 0x08000000 /* Randomize mmap() base */ -+/*#define MF_PAX_RANDEXEC 0x10000000*/ /* Randomize ET_EXEC base */ -+#define MF_PAX_SEGMEXEC 0x20000000 /* Segmentation based non-executable pages */ -+ -+#ifdef CONFIG_PAX_SOFTMODE -+extern unsigned int pax_softmode; -+#endif -+ -+extern int pax_check_flags(unsigned long *); -+ -+/* if tsk != current then task_lock must be held on it */ -+#if defined(CONFIG_PAX_NOEXEC) || defined(CONFIG_PAX_ASLR) -+static inline unsigned long pax_get_flags(struct task_struct *tsk) -+{ -+ if (likely(tsk->mm)) -+ return tsk->mm->pax_flags; -+ else -+ return 0UL; -+} -+ -+/* if tsk != current then task_lock must be held on it */ -+static inline long pax_set_flags(struct task_struct *tsk, unsigned long flags) -+{ -+ if (likely(tsk->mm)) { -+ tsk->mm->pax_flags = flags; -+ return 0; -+ } -+ return -EINVAL; -+} -+#endif -+ -+#ifdef CONFIG_PAX_HAVE_ACL_FLAGS -+extern void pax_set_initial_flags(struct linux_binprm *bprm); -+#elif defined(CONFIG_PAX_HOOK_ACL_FLAGS) -+extern void (*pax_set_initial_flags_func)(struct linux_binprm *bprm); -+#endif -+ -+extern void pax_report_fault(struct pt_regs *regs, void *pc, void *sp); -+extern void pax_report_insns(void *pc, void *sp); -+extern void pax_report_refcount_overflow(struct pt_regs *regs); -+extern NORET_TYPE void pax_report_usercopy(const void *ptr, unsigned long len, bool to, const char *type) ATTRIB_NORET; -+ -+#ifdef CONFIG_PAX_MEMORY_STACKLEAK -+extern void pax_track_stack(void); -+#else -+static inline void pax_track_stack(void) {} -+#endif -+ - /* Future-safe accessor for struct task_struct's cpus_allowed. */ - #define tsk_cpus_allowed(tsk) (&(tsk)->cpus_allowed) - -@@ -2009,7 +2101,9 @@ void yield(void); - extern struct exec_domain default_exec_domain; - - union thread_union { -+#ifndef CONFIG_X86 - struct thread_info thread_info; -+#endif - unsigned long stack[THREAD_SIZE/sizeof(long)]; - }; - -@@ -2042,6 +2136,7 @@ extern struct pid_namespace init_pid_ns; - */ - - extern struct task_struct *find_task_by_vpid(pid_t nr); -+extern struct task_struct *find_task_by_vpid_unrestricted(pid_t nr); - extern struct task_struct *find_task_by_pid_ns(pid_t nr, - struct pid_namespace *ns); - -@@ -2179,7 +2274,7 @@ extern void __cleanup_sighand(struct sig - extern void exit_itimers(struct signal_struct *); - extern void flush_itimer_signals(void); - --extern NORET_TYPE void do_group_exit(int); -+extern NORET_TYPE void do_group_exit(int) ATTRIB_NORET; - - extern void daemonize(const char *, ...); - extern int allow_signal(int); -@@ -2320,13 +2415,17 @@ static inline unsigned long *end_of_stac - - #endif - --static inline int object_is_on_stack(void *obj) -+static inline int object_starts_on_stack(void *obj) - { -- void *stack = task_stack_page(current); -+ const void *stack = task_stack_page(current); - - return (obj >= stack) && (obj < (stack + THREAD_SIZE)); - } - -+#ifdef CONFIG_PAX_USERCOPY -+extern int object_is_on_stack(const void *obj, unsigned long len); -+#endif -+ - extern void thread_info_cache_init(void); - - #ifdef CONFIG_DEBUG_STACK_USAGE -diff -urNp linux-2.6.39.3/include/linux/screen_info.h linux-2.6.39.3/include/linux/screen_info.h ---- linux-2.6.39.3/include/linux/screen_info.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/screen_info.h 2011-05-22 19:36:33.000000000 -0400 -@@ -43,7 +43,8 @@ struct screen_info { - __u16 pages; /* 0x32 */ - __u16 vesa_attributes; /* 0x34 */ - __u32 capabilities; /* 0x36 */ -- __u8 _reserved[6]; /* 0x3a */ -+ __u16 vesapm_size; /* 0x3a */ -+ __u8 _reserved[4]; /* 0x3c */ - } __attribute__((packed)); - - #define VIDEO_TYPE_MDA 0x10 /* Monochrome Text Display */ -diff -urNp linux-2.6.39.3/include/linux/security.h linux-2.6.39.3/include/linux/security.h ---- linux-2.6.39.3/include/linux/security.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/security.h 2011-05-22 19:41:42.000000000 -0400 -@@ -36,6 +36,7 @@ - #include <linux/key.h> - #include <linux/xfrm.h> - #include <linux/slab.h> -+#include <linux/grsecurity.h> - #include <net/flow.h> - - /* Maximum number of letters for an LSM name string */ -diff -urNp linux-2.6.39.3/include/linux/shm.h linux-2.6.39.3/include/linux/shm.h ---- linux-2.6.39.3/include/linux/shm.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/shm.h 2011-05-22 19:41:42.000000000 -0400 -@@ -95,6 +95,10 @@ struct shmid_kernel /* private to the ke - pid_t shm_cprid; - pid_t shm_lprid; - struct user_struct *mlock_user; -+#ifdef CONFIG_GRKERNSEC -+ time_t shm_createtime; -+ pid_t shm_lapid; -+#endif - }; - - /* shm_mode upper byte flags */ -diff -urNp linux-2.6.39.3/include/linux/skbuff.h linux-2.6.39.3/include/linux/skbuff.h ---- linux-2.6.39.3/include/linux/skbuff.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/skbuff.h 2011-07-06 20:00:13.000000000 -0400 -@@ -592,7 +592,7 @@ static inline struct skb_shared_hwtstamp - */ - static inline int skb_queue_empty(const struct sk_buff_head *list) - { -- return list->next == (struct sk_buff *)list; -+ return list->next == (const struct sk_buff *)list; - } - - /** -@@ -605,7 +605,7 @@ static inline int skb_queue_empty(const - static inline bool skb_queue_is_last(const struct sk_buff_head *list, - const struct sk_buff *skb) - { -- return skb->next == (struct sk_buff *)list; -+ return skb->next == (const struct sk_buff *)list; - } - - /** -@@ -618,7 +618,7 @@ static inline bool skb_queue_is_last(con - static inline bool skb_queue_is_first(const struct sk_buff_head *list, - const struct sk_buff *skb) - { -- return skb->prev == (struct sk_buff *)list; -+ return skb->prev == (const struct sk_buff *)list; - } - - /** -@@ -1435,7 +1435,7 @@ static inline int pskb_network_may_pull( - * NET_IP_ALIGN(2) + ethernet_header(14) + IP_header(20/40) + ports(8) - */ - #ifndef NET_SKB_PAD --#define NET_SKB_PAD max(32, L1_CACHE_BYTES) -+#define NET_SKB_PAD max(_AC(32,UL), L1_CACHE_BYTES) - #endif - - extern int ___pskb_trim(struct sk_buff *skb, unsigned int len); -diff -urNp linux-2.6.39.3/include/linux/slab_def.h linux-2.6.39.3/include/linux/slab_def.h ---- linux-2.6.39.3/include/linux/slab_def.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/slab_def.h 2011-05-22 19:36:33.000000000 -0400 -@@ -96,10 +96,10 @@ struct kmem_cache { - unsigned long node_allocs; - unsigned long node_frees; - unsigned long node_overflow; -- atomic_t allochit; -- atomic_t allocmiss; -- atomic_t freehit; -- atomic_t freemiss; -+ atomic_unchecked_t allochit; -+ atomic_unchecked_t allocmiss; -+ atomic_unchecked_t freehit; -+ atomic_unchecked_t freemiss; - - /* - * If debugging is enabled, then the allocator can add additional -diff -urNp linux-2.6.39.3/include/linux/slab.h linux-2.6.39.3/include/linux/slab.h ---- linux-2.6.39.3/include/linux/slab.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/slab.h 2011-05-23 17:07:00.000000000 -0400 -@@ -11,12 +11,20 @@ - - #include <linux/gfp.h> - #include <linux/types.h> -+#include <linux/err.h> - - /* - * Flags to pass to kmem_cache_create(). - * The ones marked DEBUG are only valid if CONFIG_SLAB_DEBUG is set. - */ - #define SLAB_DEBUG_FREE 0x00000100UL /* DEBUG: Perform (expensive) checks on free */ -+ -+#ifdef CONFIG_PAX_USERCOPY -+#define SLAB_USERCOPY 0x00000200UL /* PaX: Allow copying objs to/from userland */ -+#else -+#define SLAB_USERCOPY 0x00000000UL -+#endif -+ - #define SLAB_RED_ZONE 0x00000400UL /* DEBUG: Red zone objs in a cache */ - #define SLAB_POISON 0x00000800UL /* DEBUG: Poison objects */ - #define SLAB_HWCACHE_ALIGN 0x00002000UL /* Align objs on cache lines */ -@@ -87,10 +95,13 @@ - * ZERO_SIZE_PTR can be passed to kfree though in the same way that NULL can. - * Both make kfree a no-op. - */ --#define ZERO_SIZE_PTR ((void *)16) -+#define ZERO_SIZE_PTR \ -+({ \ -+ BUILD_BUG_ON(!(MAX_ERRNO & ~PAGE_MASK));\ -+ (void *)(-MAX_ERRNO-1L); \ -+}) - --#define ZERO_OR_NULL_PTR(x) ((unsigned long)(x) <= \ -- (unsigned long)ZERO_SIZE_PTR) -+#define ZERO_OR_NULL_PTR(x) ((unsigned long)(x) - 1 >= (unsigned long)ZERO_SIZE_PTR - 1) - - /* - * struct kmem_cache related prototypes -@@ -141,6 +152,7 @@ void * __must_check krealloc(const void - void kfree(const void *); - void kzfree(const void *); - size_t ksize(const void *); -+void check_object_size(const void *ptr, unsigned long n, bool to); - - /* - * Allocator specific definitions. These are mainly used to establish optimized -@@ -333,4 +345,59 @@ static inline void *kzalloc_node(size_t - - void __init kmem_cache_init_late(void); - -+#define kmalloc(x, y) \ -+({ \ -+ void *___retval; \ -+ intoverflow_t ___x = (intoverflow_t)x; \ -+ if (WARN(___x > ULONG_MAX, "kmalloc size overflow\n")) \ -+ ___retval = NULL; \ -+ else \ -+ ___retval = kmalloc((size_t)___x, (y)); \ -+ ___retval; \ -+}) -+ -+#define kmalloc_node(x, y, z) \ -+({ \ -+ void *___retval; \ -+ intoverflow_t ___x = (intoverflow_t)x; \ -+ if (WARN(___x > ULONG_MAX, "kmalloc_node size overflow\n"))\ -+ ___retval = NULL; \ -+ else \ -+ ___retval = kmalloc_node((size_t)___x, (y), (z));\ -+ ___retval; \ -+}) -+ -+#define kzalloc(x, y) \ -+({ \ -+ void *___retval; \ -+ intoverflow_t ___x = (intoverflow_t)x; \ -+ if (WARN(___x > ULONG_MAX, "kzalloc size overflow\n")) \ -+ ___retval = NULL; \ -+ else \ -+ ___retval = kzalloc((size_t)___x, (y)); \ -+ ___retval; \ -+}) -+ -+#define __krealloc(x, y, z) \ -+({ \ -+ void *___retval; \ -+ intoverflow_t ___y = (intoverflow_t)y; \ -+ if (WARN(___y > ULONG_MAX, "__krealloc size overflow\n"))\ -+ ___retval = NULL; \ -+ else \ -+ ___retval = __krealloc((x), (size_t)___y, (z)); \ -+ ___retval; \ -+}) -+ -+#define krealloc(x, y, z) \ -+({ \ -+ void *___retval; \ -+ intoverflow_t ___y = (intoverflow_t)y; \ -+ if (WARN(___y > ULONG_MAX, "krealloc size overflow\n")) \ -+ ___retval = NULL; \ -+ else \ -+ ___retval = krealloc((x), (size_t)___y, (z)); \ -+ ___retval; \ -+}) -+ - #endif /* _LINUX_SLAB_H */ -diff -urNp linux-2.6.39.3/include/linux/slub_def.h linux-2.6.39.3/include/linux/slub_def.h ---- linux-2.6.39.3/include/linux/slub_def.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/slub_def.h 2011-05-22 19:36:33.000000000 -0400 -@@ -84,7 +84,7 @@ struct kmem_cache { - struct kmem_cache_order_objects max; - struct kmem_cache_order_objects min; - gfp_t allocflags; /* gfp flags to use on each alloc */ -- int refcount; /* Refcount for slab cache destroy */ -+ atomic_t refcount; /* Refcount for slab cache destroy */ - void (*ctor)(void *); - int inuse; /* Offset to metadata */ - int align; /* Alignment */ -diff -urNp linux-2.6.39.3/include/linux/sonet.h linux-2.6.39.3/include/linux/sonet.h ---- linux-2.6.39.3/include/linux/sonet.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/sonet.h 2011-05-22 19:36:33.000000000 -0400 -@@ -61,7 +61,7 @@ struct sonet_stats { - #include <asm/atomic.h> - - struct k_sonet_stats { --#define __HANDLE_ITEM(i) atomic_t i -+#define __HANDLE_ITEM(i) atomic_unchecked_t i - __SONET_ITEMS - #undef __HANDLE_ITEM - }; -diff -urNp linux-2.6.39.3/include/linux/ssb/ssb_driver_gige.h linux-2.6.39.3/include/linux/ssb/ssb_driver_gige.h ---- linux-2.6.39.3/include/linux/ssb/ssb_driver_gige.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/ssb/ssb_driver_gige.h 2011-05-22 19:36:33.000000000 -0400 -@@ -44,7 +44,7 @@ struct ssb_gige { - - /* The PCI controller device. */ - struct pci_controller pci_controller; -- struct pci_ops pci_ops; -+ const struct pci_ops pci_ops; - struct resource mem_resource; - struct resource io_resource; - }; -diff -urNp linux-2.6.39.3/include/linux/sunrpc/clnt.h linux-2.6.39.3/include/linux/sunrpc/clnt.h ---- linux-2.6.39.3/include/linux/sunrpc/clnt.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/sunrpc/clnt.h 2011-05-22 19:36:33.000000000 -0400 -@@ -169,9 +169,9 @@ static inline unsigned short rpc_get_por - { - switch (sap->sa_family) { - case AF_INET: -- return ntohs(((struct sockaddr_in *)sap)->sin_port); -+ return ntohs(((const struct sockaddr_in *)sap)->sin_port); - case AF_INET6: -- return ntohs(((struct sockaddr_in6 *)sap)->sin6_port); -+ return ntohs(((const struct sockaddr_in6 *)sap)->sin6_port); - } - return 0; - } -@@ -204,7 +204,7 @@ static inline bool __rpc_cmp_addr4(const - static inline bool __rpc_copy_addr4(struct sockaddr *dst, - const struct sockaddr *src) - { -- const struct sockaddr_in *ssin = (struct sockaddr_in *) src; -+ const struct sockaddr_in *ssin = (const struct sockaddr_in *) src; - struct sockaddr_in *dsin = (struct sockaddr_in *) dst; - - dsin->sin_family = ssin->sin_family; -@@ -301,7 +301,7 @@ static inline u32 rpc_get_scope_id(const - if (sa->sa_family != AF_INET6) - return 0; - -- return ((struct sockaddr_in6 *) sa)->sin6_scope_id; -+ return ((const struct sockaddr_in6 *) sa)->sin6_scope_id; - } - - #endif /* __KERNEL__ */ -diff -urNp linux-2.6.39.3/include/linux/sunrpc/svc_rdma.h linux-2.6.39.3/include/linux/sunrpc/svc_rdma.h ---- linux-2.6.39.3/include/linux/sunrpc/svc_rdma.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/sunrpc/svc_rdma.h 2011-05-22 19:36:33.000000000 -0400 -@@ -53,15 +53,15 @@ extern unsigned int svcrdma_ord; - extern unsigned int svcrdma_max_requests; - extern unsigned int svcrdma_max_req_size; - --extern atomic_t rdma_stat_recv; --extern atomic_t rdma_stat_read; --extern atomic_t rdma_stat_write; --extern atomic_t rdma_stat_sq_starve; --extern atomic_t rdma_stat_rq_starve; --extern atomic_t rdma_stat_rq_poll; --extern atomic_t rdma_stat_rq_prod; --extern atomic_t rdma_stat_sq_poll; --extern atomic_t rdma_stat_sq_prod; -+extern atomic_unchecked_t rdma_stat_recv; -+extern atomic_unchecked_t rdma_stat_read; -+extern atomic_unchecked_t rdma_stat_write; -+extern atomic_unchecked_t rdma_stat_sq_starve; -+extern atomic_unchecked_t rdma_stat_rq_starve; -+extern atomic_unchecked_t rdma_stat_rq_poll; -+extern atomic_unchecked_t rdma_stat_rq_prod; -+extern atomic_unchecked_t rdma_stat_sq_poll; -+extern atomic_unchecked_t rdma_stat_sq_prod; - - #define RPCRDMA_VERSION 1 - -diff -urNp linux-2.6.39.3/include/linux/suspend.h linux-2.6.39.3/include/linux/suspend.h ---- linux-2.6.39.3/include/linux/suspend.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/suspend.h 2011-05-22 19:36:33.000000000 -0400 -@@ -106,15 +106,15 @@ typedef int __bitwise suspend_state_t; - * which require special recovery actions in that situation. - */ - struct platform_suspend_ops { -- int (*valid)(suspend_state_t state); -- int (*begin)(suspend_state_t state); -- int (*prepare)(void); -- int (*prepare_late)(void); -- int (*enter)(suspend_state_t state); -- void (*wake)(void); -- void (*finish)(void); -- void (*end)(void); -- void (*recover)(void); -+ int (* const valid)(suspend_state_t state); -+ int (* const begin)(suspend_state_t state); -+ int (* const prepare)(void); -+ int (* const prepare_late)(void); -+ int (* const enter)(suspend_state_t state); -+ void (* const wake)(void); -+ void (* const finish)(void); -+ void (* const end)(void); -+ void (* const recover)(void); - }; - - #ifdef CONFIG_SUSPEND -@@ -217,16 +217,16 @@ extern void mark_free_pages(struct zone - * platforms which require special recovery actions in that situation. - */ - struct platform_hibernation_ops { -- int (*begin)(void); -- void (*end)(void); -- int (*pre_snapshot)(void); -- void (*finish)(void); -- int (*prepare)(void); -- int (*enter)(void); -- void (*leave)(void); -- int (*pre_restore)(void); -- void (*restore_cleanup)(void); -- void (*recover)(void); -+ int (* const begin)(void); -+ void (* const end)(void); -+ int (* const pre_snapshot)(void); -+ void (* const finish)(void); -+ int (* const prepare)(void); -+ int (* const enter)(void); -+ void (* const leave)(void); -+ int (* const pre_restore)(void); -+ void (* const restore_cleanup)(void); -+ void (* const recover)(void); - }; - - #ifdef CONFIG_HIBERNATION -diff -urNp linux-2.6.39.3/include/linux/sysctl.h linux-2.6.39.3/include/linux/sysctl.h ---- linux-2.6.39.3/include/linux/sysctl.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/sysctl.h 2011-05-22 19:41:42.000000000 -0400 -@@ -155,7 +155,11 @@ enum - KERN_PANIC_ON_NMI=76, /* int: whether we will panic on an unrecovered */ - }; - -- -+#ifdef CONFIG_PAX_SOFTMODE -+enum { -+ PAX_SOFTMODE=1 /* PaX: disable/enable soft mode */ -+}; -+#endif - - /* CTL_VM names: */ - enum -@@ -967,6 +971,8 @@ typedef int proc_handler (struct ctl_tab - - extern int proc_dostring(struct ctl_table *, int, - void __user *, size_t *, loff_t *); -+extern int proc_dostring_modpriv(struct ctl_table *, int, -+ void __user *, size_t *, loff_t *); - extern int proc_dointvec(struct ctl_table *, int, - void __user *, size_t *, loff_t *); - extern int proc_dointvec_minmax(struct ctl_table *, int, -diff -urNp linux-2.6.39.3/include/linux/sysfs.h linux-2.6.39.3/include/linux/sysfs.h ---- linux-2.6.39.3/include/linux/sysfs.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/sysfs.h 2011-05-22 19:36:33.000000000 -0400 -@@ -110,8 +110,8 @@ struct bin_attribute { - #define sysfs_bin_attr_init(bin_attr) sysfs_attr_init(&(bin_attr)->attr) - - struct sysfs_ops { -- ssize_t (*show)(struct kobject *, struct attribute *,char *); -- ssize_t (*store)(struct kobject *,struct attribute *,const char *, size_t); -+ ssize_t (* const show)(struct kobject *, struct attribute *,char *); -+ ssize_t (* const store)(struct kobject *,struct attribute *,const char *, size_t); - }; - - struct sysfs_dirent; -diff -urNp linux-2.6.39.3/include/linux/tty.h linux-2.6.39.3/include/linux/tty.h ---- linux-2.6.39.3/include/linux/tty.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/tty.h 2011-05-22 19:36:33.000000000 -0400 -@@ -13,6 +13,7 @@ - #include <linux/tty_driver.h> - #include <linux/tty_ldisc.h> - #include <linux/mutex.h> -+#include <linux/poll.h> - - #include <asm/system.h> - -@@ -466,7 +467,6 @@ extern int tty_perform_flush(struct tty_ - extern dev_t tty_devnum(struct tty_struct *tty); - extern void proc_clear_tty(struct task_struct *p); - extern struct tty_struct *get_current_tty(void); --extern void tty_default_fops(struct file_operations *fops); - extern struct tty_struct *alloc_tty_struct(void); - extern int tty_add_file(struct tty_struct *tty, struct file *file); - extern void free_tty_struct(struct tty_struct *tty); -@@ -529,6 +529,18 @@ extern void tty_ldisc_begin(void); - /* This last one is just for the tty layer internals and shouldn't be used elsewhere */ - extern void tty_ldisc_enable(struct tty_struct *tty); - -+/* tty_io.c */ -+extern ssize_t tty_read(struct file *, char __user *, size_t, loff_t *); -+extern ssize_t tty_write(struct file *, const char __user *, size_t, loff_t *); -+extern unsigned int tty_poll(struct file *, poll_table *); -+#ifdef CONFIG_COMPAT -+extern long tty_compat_ioctl(struct file *file, unsigned int cmd, -+ unsigned long arg); -+#else -+#define tty_compat_ioctl NULL -+#endif -+extern int tty_release(struct inode *, struct file *); -+extern int tty_fasync(int fd, struct file *filp, int on); - - /* n_tty.c */ - extern struct tty_ldisc_ops tty_ldisc_N_TTY; -diff -urNp linux-2.6.39.3/include/linux/tty_ldisc.h linux-2.6.39.3/include/linux/tty_ldisc.h ---- linux-2.6.39.3/include/linux/tty_ldisc.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/tty_ldisc.h 2011-05-22 19:36:33.000000000 -0400 -@@ -148,7 +148,7 @@ struct tty_ldisc_ops { - - struct module *owner; - -- int refcount; -+ atomic_t refcount; - }; - - struct tty_ldisc { -diff -urNp linux-2.6.39.3/include/linux/types.h linux-2.6.39.3/include/linux/types.h ---- linux-2.6.39.3/include/linux/types.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/types.h 2011-05-22 19:36:33.000000000 -0400 -@@ -213,10 +213,26 @@ typedef struct { - int counter; - } atomic_t; - -+#ifdef CONFIG_PAX_REFCOUNT -+typedef struct { -+ int counter; -+} atomic_unchecked_t; -+#else -+typedef atomic_t atomic_unchecked_t; -+#endif -+ - #ifdef CONFIG_64BIT - typedef struct { - long counter; - } atomic64_t; -+ -+#ifdef CONFIG_PAX_REFCOUNT -+typedef struct { -+ long counter; -+} atomic64_unchecked_t; -+#else -+typedef atomic64_t atomic64_unchecked_t; -+#endif - #endif - - struct list_head { -diff -urNp linux-2.6.39.3/include/linux/uaccess.h linux-2.6.39.3/include/linux/uaccess.h ---- linux-2.6.39.3/include/linux/uaccess.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/uaccess.h 2011-05-22 19:36:33.000000000 -0400 -@@ -76,11 +76,11 @@ static inline unsigned long __copy_from_ - long ret; \ - mm_segment_t old_fs = get_fs(); \ - \ -- set_fs(KERNEL_DS); \ - pagefault_disable(); \ -+ set_fs(KERNEL_DS); \ - ret = __copy_from_user_inatomic(&(retval), (__force typeof(retval) __user *)(addr), sizeof(retval)); \ -- pagefault_enable(); \ - set_fs(old_fs); \ -+ pagefault_enable(); \ - ret; \ - }) - -@@ -93,8 +93,8 @@ static inline unsigned long __copy_from_ - * Safely read from address @src to the buffer at @dst. If a kernel fault - * happens, handle that and return -EFAULT. - */ --extern long probe_kernel_read(void *dst, void *src, size_t size); --extern long __probe_kernel_read(void *dst, void *src, size_t size); -+extern long probe_kernel_read(void *dst, const void *src, size_t size); -+extern long __probe_kernel_read(void *dst, const void *src, size_t size); - - /* - * probe_kernel_write(): safely attempt to write to a location -@@ -105,7 +105,7 @@ extern long __probe_kernel_read(void *ds - * Safely write to address @dst from the buffer at @src. If a kernel fault - * happens, handle that and return -EFAULT. - */ --extern long notrace probe_kernel_write(void *dst, void *src, size_t size); --extern long notrace __probe_kernel_write(void *dst, void *src, size_t size); -+extern long notrace probe_kernel_write(void *dst, const void *src, size_t size); -+extern long notrace __probe_kernel_write(void *dst, const void *src, size_t size); - - #endif /* __LINUX_UACCESS_H__ */ -diff -urNp linux-2.6.39.3/include/linux/unaligned/access_ok.h linux-2.6.39.3/include/linux/unaligned/access_ok.h ---- linux-2.6.39.3/include/linux/unaligned/access_ok.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/unaligned/access_ok.h 2011-05-22 19:36:33.000000000 -0400 -@@ -6,32 +6,32 @@ - - static inline u16 get_unaligned_le16(const void *p) - { -- return le16_to_cpup((__le16 *)p); -+ return le16_to_cpup((const __le16 *)p); - } - - static inline u32 get_unaligned_le32(const void *p) - { -- return le32_to_cpup((__le32 *)p); -+ return le32_to_cpup((const __le32 *)p); - } - - static inline u64 get_unaligned_le64(const void *p) - { -- return le64_to_cpup((__le64 *)p); -+ return le64_to_cpup((const __le64 *)p); - } - - static inline u16 get_unaligned_be16(const void *p) - { -- return be16_to_cpup((__be16 *)p); -+ return be16_to_cpup((const __be16 *)p); - } - - static inline u32 get_unaligned_be32(const void *p) - { -- return be32_to_cpup((__be32 *)p); -+ return be32_to_cpup((const __be32 *)p); - } - - static inline u64 get_unaligned_be64(const void *p) - { -- return be64_to_cpup((__be64 *)p); -+ return be64_to_cpup((const __be64 *)p); - } - - static inline void put_unaligned_le16(u16 val, void *p) -diff -urNp linux-2.6.39.3/include/linux/usb/hcd.h linux-2.6.39.3/include/linux/usb/hcd.h ---- linux-2.6.39.3/include/linux/usb/hcd.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/usb/hcd.h 2011-05-22 19:36:33.000000000 -0400 -@@ -615,7 +615,7 @@ struct usb_mon_operations { - /* void (*urb_unlink)(struct usb_bus *bus, struct urb *urb); */ - }; - --extern struct usb_mon_operations *mon_ops; -+extern const struct usb_mon_operations *mon_ops; - - static inline void usbmon_urb_submit(struct usb_bus *bus, struct urb *urb) - { -@@ -637,7 +637,7 @@ static inline void usbmon_urb_complete(s - (*mon_ops->urb_complete)(bus, urb, status); - } - --int usb_mon_register(struct usb_mon_operations *ops); -+int usb_mon_register(const struct usb_mon_operations *ops); - void usb_mon_deregister(void); - - #else -diff -urNp linux-2.6.39.3/include/linux/usb/intel_mid_otg.h linux-2.6.39.3/include/linux/usb/intel_mid_otg.h ---- linux-2.6.39.3/include/linux/usb/intel_mid_otg.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/usb/intel_mid_otg.h 2011-05-22 19:36:33.000000000 -0400 -@@ -115,7 +115,7 @@ struct intel_mid_otg_xceiv { - void __iomem *base; - - /* ops to access ulpi */ -- struct iotg_ulpi_access_ops ulpi_ops; -+ const struct iotg_ulpi_access_ops ulpi_ops; - - /* atomic notifier for interrupt context */ - struct atomic_notifier_head iotg_notifier; -diff -urNp linux-2.6.39.3/include/linux/usb/ulpi.h linux-2.6.39.3/include/linux/usb/ulpi.h ---- linux-2.6.39.3/include/linux/usb/ulpi.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/usb/ulpi.h 2011-05-22 19:36:33.000000000 -0400 -@@ -186,7 +186,7 @@ struct otg_transceiver *otg_ulpi_create( - - #ifdef CONFIG_USB_ULPI_VIEWPORT - /* access ops for controllers with a viewport register */ --extern struct otg_io_access_ops ulpi_viewport_access_ops; -+extern const struct otg_io_access_ops ulpi_viewport_access_ops; - #endif - - #endif /* __LINUX_USB_ULPI_H */ -diff -urNp linux-2.6.39.3/include/linux/vga_switcheroo.h linux-2.6.39.3/include/linux/vga_switcheroo.h ---- linux-2.6.39.3/include/linux/vga_switcheroo.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/vga_switcheroo.h 2011-05-22 19:36:33.000000000 -0400 -@@ -39,7 +39,7 @@ int vga_switcheroo_register_client(struc - void vga_switcheroo_client_fb_set(struct pci_dev *dev, - struct fb_info *info); - --int vga_switcheroo_register_handler(struct vga_switcheroo_handler *handler); -+int vga_switcheroo_register_handler(const struct vga_switcheroo_handler *handler); - void vga_switcheroo_unregister_handler(void); - - int vga_switcheroo_process_delayed_switch(void); -@@ -52,7 +52,7 @@ static inline int vga_switcheroo_registe - void (*reprobe)(struct pci_dev *dev), - bool (*can_switch)(struct pci_dev *dev)) { return 0; } - static inline void vga_switcheroo_client_fb_set(struct pci_dev *dev, struct fb_info *info) {} --static inline int vga_switcheroo_register_handler(struct vga_switcheroo_handler *handler) { return 0; } -+static inline int vga_switcheroo_register_handler(const struct vga_switcheroo_handler *handler) { return 0; } - static inline void vga_switcheroo_unregister_handler(void) {} - static inline int vga_switcheroo_process_delayed_switch(void) { return 0; } - -diff -urNp linux-2.6.39.3/include/linux/virtio.h linux-2.6.39.3/include/linux/virtio.h ---- linux-2.6.39.3/include/linux/virtio.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/virtio.h 2011-05-22 19:36:33.000000000 -0400 -@@ -102,7 +102,7 @@ struct virtio_device { - int index; - struct device dev; - struct virtio_device_id id; -- struct virtio_config_ops *config; -+ const struct virtio_config_ops *config; - struct list_head vqs; - /* Note that this is a Linux set_bit-style bitmap. */ - unsigned long features[1]; -diff -urNp linux-2.6.39.3/include/linux/vmalloc.h linux-2.6.39.3/include/linux/vmalloc.h ---- linux-2.6.39.3/include/linux/vmalloc.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/vmalloc.h 2011-05-22 19:36:33.000000000 -0400 -@@ -13,6 +13,11 @@ struct vm_area_struct; /* vma defining - #define VM_MAP 0x00000004 /* vmap()ed pages */ - #define VM_USERMAP 0x00000008 /* suitable for remap_vmalloc_range */ - #define VM_VPAGES 0x00000010 /* buffer for pages was vmalloc'ed */ -+ -+#if defined(CONFIG_MODULES) && defined(CONFIG_X86) && defined(CONFIG_PAX_KERNEXEC) -+#define VM_KERNEXEC 0x00000020 /* allocate from executable kernel memory range */ -+#endif -+ - /* bits [20..32] reserved for arch specific ioremap internals */ - - /* -@@ -155,4 +160,103 @@ pcpu_free_vm_areas(struct vm_struct **vm - # endif - #endif - -+#define vmalloc(x) \ -+({ \ -+ void *___retval; \ -+ intoverflow_t ___x = (intoverflow_t)x; \ -+ if (WARN(___x > ULONG_MAX, "vmalloc size overflow\n")) \ -+ ___retval = NULL; \ -+ else \ -+ ___retval = vmalloc((unsigned long)___x); \ -+ ___retval; \ -+}) -+ -+#define vzalloc(x) \ -+({ \ -+ void *___retval; \ -+ intoverflow_t ___x = (intoverflow_t)x; \ -+ if (WARN(___x > ULONG_MAX, "vzalloc size overflow\n")) \ -+ ___retval = NULL; \ -+ else \ -+ ___retval = vzalloc((unsigned long)___x); \ -+ ___retval; \ -+}) -+ -+#define __vmalloc(x, y, z) \ -+({ \ -+ void *___retval; \ -+ intoverflow_t ___x = (intoverflow_t)x; \ -+ if (WARN(___x > ULONG_MAX, "__vmalloc size overflow\n"))\ -+ ___retval = NULL; \ -+ else \ -+ ___retval = __vmalloc((unsigned long)___x, (y), (z));\ -+ ___retval; \ -+}) -+ -+#define vmalloc_user(x) \ -+({ \ -+ void *___retval; \ -+ intoverflow_t ___x = (intoverflow_t)x; \ -+ if (WARN(___x > ULONG_MAX, "vmalloc_user size overflow\n"))\ -+ ___retval = NULL; \ -+ else \ -+ ___retval = vmalloc_user((unsigned long)___x); \ -+ ___retval; \ -+}) -+ -+#define vmalloc_exec(x) \ -+({ \ -+ void *___retval; \ -+ intoverflow_t ___x = (intoverflow_t)x; \ -+ if (WARN(___x > ULONG_MAX, "vmalloc_exec size overflow\n"))\ -+ ___retval = NULL; \ -+ else \ -+ ___retval = vmalloc_exec((unsigned long)___x); \ -+ ___retval; \ -+}) -+ -+#define vmalloc_node(x, y) \ -+({ \ -+ void *___retval; \ -+ intoverflow_t ___x = (intoverflow_t)x; \ -+ if (WARN(___x > ULONG_MAX, "vmalloc_node size overflow\n"))\ -+ ___retval = NULL; \ -+ else \ -+ ___retval = vmalloc_node((unsigned long)___x, (y));\ -+ ___retval; \ -+}) -+ -+#define vzalloc_node(x, y) \ -+({ \ -+ void *___retval; \ -+ intoverflow_t ___x = (intoverflow_t)x; \ -+ if (WARN(___x > ULONG_MAX, "vzalloc_node size overflow\n"))\ -+ ___retval = NULL; \ -+ else \ -+ ___retval = vzalloc_node((unsigned long)___x, (y));\ -+ ___retval; \ -+}) -+ -+#define vmalloc_32(x) \ -+({ \ -+ void *___retval; \ -+ intoverflow_t ___x = (intoverflow_t)x; \ -+ if (WARN(___x > ULONG_MAX, "vmalloc_32 size overflow\n"))\ -+ ___retval = NULL; \ -+ else \ -+ ___retval = vmalloc_32((unsigned long)___x); \ -+ ___retval; \ -+}) -+ -+#define vmalloc_32_user(x) \ -+({ \ -+void *___retval; \ -+ intoverflow_t ___x = (intoverflow_t)x; \ -+ if (WARN(___x > ULONG_MAX, "vmalloc_32_user size overflow\n"))\ -+ ___retval = NULL; \ -+ else \ -+ ___retval = vmalloc_32_user((unsigned long)___x);\ -+ ___retval; \ -+}) -+ - #endif /* _LINUX_VMALLOC_H */ -diff -urNp linux-2.6.39.3/include/linux/vmstat.h linux-2.6.39.3/include/linux/vmstat.h ---- linux-2.6.39.3/include/linux/vmstat.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/linux/vmstat.h 2011-05-22 19:36:33.000000000 -0400 -@@ -147,18 +147,18 @@ static inline void vm_events_fold_cpu(in - /* - * Zone based page accounting with per cpu differentials. - */ --extern atomic_long_t vm_stat[NR_VM_ZONE_STAT_ITEMS]; -+extern atomic_long_unchecked_t vm_stat[NR_VM_ZONE_STAT_ITEMS]; - - static inline void zone_page_state_add(long x, struct zone *zone, - enum zone_stat_item item) - { -- atomic_long_add(x, &zone->vm_stat[item]); -- atomic_long_add(x, &vm_stat[item]); -+ atomic_long_add_unchecked(x, &zone->vm_stat[item]); -+ atomic_long_add_unchecked(x, &vm_stat[item]); - } - - static inline unsigned long global_page_state(enum zone_stat_item item) - { -- long x = atomic_long_read(&vm_stat[item]); -+ long x = atomic_long_read_unchecked(&vm_stat[item]); - #ifdef CONFIG_SMP - if (x < 0) - x = 0; -@@ -169,7 +169,7 @@ static inline unsigned long global_page_ - static inline unsigned long zone_page_state(struct zone *zone, - enum zone_stat_item item) - { -- long x = atomic_long_read(&zone->vm_stat[item]); -+ long x = atomic_long_read_unchecked(&zone->vm_stat[item]); - #ifdef CONFIG_SMP - if (x < 0) - x = 0; -@@ -186,7 +186,7 @@ static inline unsigned long zone_page_st - static inline unsigned long zone_page_state_snapshot(struct zone *zone, - enum zone_stat_item item) - { -- long x = atomic_long_read(&zone->vm_stat[item]); -+ long x = atomic_long_read_unchecked(&zone->vm_stat[item]); - - #ifdef CONFIG_SMP - int cpu; -@@ -280,8 +280,8 @@ static inline void __mod_zone_page_state - - static inline void __inc_zone_state(struct zone *zone, enum zone_stat_item item) - { -- atomic_long_inc(&zone->vm_stat[item]); -- atomic_long_inc(&vm_stat[item]); -+ atomic_long_inc_unchecked(&zone->vm_stat[item]); -+ atomic_long_inc_unchecked(&vm_stat[item]); - } - - static inline void __inc_zone_page_state(struct page *page, -@@ -292,8 +292,8 @@ static inline void __inc_zone_page_state - - static inline void __dec_zone_state(struct zone *zone, enum zone_stat_item item) - { -- atomic_long_dec(&zone->vm_stat[item]); -- atomic_long_dec(&vm_stat[item]); -+ atomic_long_dec_unchecked(&zone->vm_stat[item]); -+ atomic_long_dec_unchecked(&vm_stat[item]); - } - - static inline void __dec_zone_page_state(struct page *page, -diff -urNp linux-2.6.39.3/include/media/saa7146_vv.h linux-2.6.39.3/include/media/saa7146_vv.h ---- linux-2.6.39.3/include/media/saa7146_vv.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/media/saa7146_vv.h 2011-05-22 19:36:33.000000000 -0400 -@@ -202,13 +202,13 @@ void saa7146_set_gpio(struct saa7146_dev - - /* from saa7146_video.c */ - extern const struct v4l2_ioctl_ops saa7146_video_ioctl_ops; --extern struct saa7146_use_ops saa7146_video_uops; -+extern const struct saa7146_use_ops saa7146_video_uops; - int saa7146_start_preview(struct saa7146_fh *fh); - int saa7146_stop_preview(struct saa7146_fh *fh); - long saa7146_video_do_ioctl(struct file *file, unsigned int cmd, void *arg); - - /* from saa7146_vbi.c */ --extern struct saa7146_use_ops saa7146_vbi_uops; -+extern const struct saa7146_use_ops saa7146_vbi_uops; - - /* resource management functions */ - int saa7146_res_get(struct saa7146_fh *fh, unsigned int bit); -diff -urNp linux-2.6.39.3/include/media/v4l2-device.h linux-2.6.39.3/include/media/v4l2-device.h ---- linux-2.6.39.3/include/media/v4l2-device.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/media/v4l2-device.h 2011-05-22 19:36:33.000000000 -0400 -@@ -95,7 +95,7 @@ int __must_check v4l2_device_register(st - this function returns 0. If the name ends with a digit (e.g. cx18), - then the name will be set to cx18-0 since cx180 looks really odd. */ - int v4l2_device_set_name(struct v4l2_device *v4l2_dev, const char *basename, -- atomic_t *instance); -+ atomic_unchecked_t *instance); - - /* Set v4l2_dev->dev to NULL. Call when the USB parent disconnects. - Since the parent disappears this ensures that v4l2_dev doesn't have an -diff -urNp linux-2.6.39.3/include/net/caif/cfctrl.h linux-2.6.39.3/include/net/caif/cfctrl.h ---- linux-2.6.39.3/include/net/caif/cfctrl.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/net/caif/cfctrl.h 2011-05-22 19:36:33.000000000 -0400 -@@ -101,8 +101,8 @@ struct cfctrl_request_info { - struct cfctrl { - struct cfsrvl serv; - struct cfctrl_rsp res; -- atomic_t req_seq_no; -- atomic_t rsp_seq_no; -+ atomic_unchecked_t req_seq_no; -+ atomic_unchecked_t rsp_seq_no; - struct list_head list; - /* Protects from simultaneous access to first_req list */ - spinlock_t info_list_lock; -diff -urNp linux-2.6.39.3/include/net/flow.h linux-2.6.39.3/include/net/flow.h ---- linux-2.6.39.3/include/net/flow.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/net/flow.h 2011-05-22 19:36:33.000000000 -0400 -@@ -167,6 +167,6 @@ extern struct flow_cache_object *flow_ca - u8 dir, flow_resolve_t resolver, void *ctx); - - extern void flow_cache_flush(void); --extern atomic_t flow_cache_genid; -+extern atomic_unchecked_t flow_cache_genid; - - #endif -diff -urNp linux-2.6.39.3/include/net/inetpeer.h linux-2.6.39.3/include/net/inetpeer.h ---- linux-2.6.39.3/include/net/inetpeer.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/net/inetpeer.h 2011-05-22 19:36:33.000000000 -0400 -@@ -43,8 +43,8 @@ struct inet_peer { - */ - union { - struct { -- atomic_t rid; /* Frag reception counter */ -- atomic_t ip_id_count; /* IP ID for the next packet */ -+ atomic_unchecked_t rid; /* Frag reception counter */ -+ atomic_unchecked_t ip_id_count; /* IP ID for the next packet */ - __u32 tcp_ts; - __u32 tcp_ts_stamp; - u32 metrics[RTAX_MAX]; -@@ -108,7 +108,7 @@ static inline __u16 inet_getid(struct in - { - more++; - inet_peer_refcheck(p); -- return atomic_add_return(more, &p->ip_id_count) - more; -+ return atomic_add_return_unchecked(more, &p->ip_id_count) - more; - } - - #endif /* _NET_INETPEER_H */ -diff -urNp linux-2.6.39.3/include/net/ip_fib.h linux-2.6.39.3/include/net/ip_fib.h ---- linux-2.6.39.3/include/net/ip_fib.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/net/ip_fib.h 2011-05-22 19:36:33.000000000 -0400 -@@ -146,7 +146,7 @@ extern __be32 fib_info_update_nh_saddr(s - - #define FIB_RES_SADDR(net, res) \ - ((FIB_RES_NH(res).nh_saddr_genid == \ -- atomic_read(&(net)->ipv4.dev_addr_genid)) ? \ -+ atomic_read_unchecked(&(net)->ipv4.dev_addr_genid)) ? \ - FIB_RES_NH(res).nh_saddr : \ - fib_info_update_nh_saddr((net), &FIB_RES_NH(res))) - #define FIB_RES_GW(res) (FIB_RES_NH(res).nh_gw) -diff -urNp linux-2.6.39.3/include/net/ip_vs.h linux-2.6.39.3/include/net/ip_vs.h ---- linux-2.6.39.3/include/net/ip_vs.h 2011-07-09 09:18:51.000000000 -0400 -+++ linux-2.6.39.3/include/net/ip_vs.h 2011-07-09 09:19:24.000000000 -0400 -@@ -512,7 +512,7 @@ struct ip_vs_conn { - struct ip_vs_conn *control; /* Master control connection */ - atomic_t n_control; /* Number of controlled ones */ - struct ip_vs_dest *dest; /* real server */ -- atomic_t in_pkts; /* incoming packet counter */ -+ atomic_unchecked_t in_pkts; /* incoming packet counter */ - - /* packet transmitter for different forwarding methods. If it - mangles the packet, it must return NF_DROP or better NF_STOLEN, -@@ -650,7 +650,7 @@ struct ip_vs_dest { - __be16 port; /* port number of the server */ - union nf_inet_addr addr; /* IP address of the server */ - volatile unsigned flags; /* dest status flags */ -- atomic_t conn_flags; /* flags to copy to conn */ -+ atomic_unchecked_t conn_flags; /* flags to copy to conn */ - atomic_t weight; /* server weight */ - - atomic_t refcnt; /* reference counter */ -diff -urNp linux-2.6.39.3/include/net/irda/ircomm_tty.h linux-2.6.39.3/include/net/irda/ircomm_tty.h ---- linux-2.6.39.3/include/net/irda/ircomm_tty.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/net/irda/ircomm_tty.h 2011-05-22 19:36:33.000000000 -0400 -@@ -35,6 +35,7 @@ - #include <linux/termios.h> - #include <linux/timer.h> - #include <linux/tty.h> /* struct tty_struct */ -+#include <asm/local.h> - - #include <net/irda/irias_object.h> - #include <net/irda/ircomm_core.h> -@@ -105,8 +106,8 @@ struct ircomm_tty_cb { - unsigned short close_delay; - unsigned short closing_wait; /* time to wait before closing */ - -- int open_count; -- int blocked_open; /* # of blocked opens */ -+ local_t open_count; -+ local_t blocked_open; /* # of blocked opens */ - - /* Protect concurent access to : - * o self->open_count -diff -urNp linux-2.6.39.3/include/net/iucv/af_iucv.h linux-2.6.39.3/include/net/iucv/af_iucv.h ---- linux-2.6.39.3/include/net/iucv/af_iucv.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/net/iucv/af_iucv.h 2011-05-22 19:36:33.000000000 -0400 -@@ -87,7 +87,7 @@ struct iucv_sock { - struct iucv_sock_list { - struct hlist_head head; - rwlock_t lock; -- atomic_t autobind_name; -+ atomic_unchecked_t autobind_name; - }; - - unsigned int iucv_sock_poll(struct file *file, struct socket *sock, -diff -urNp linux-2.6.39.3/include/net/neighbour.h linux-2.6.39.3/include/net/neighbour.h ---- linux-2.6.39.3/include/net/neighbour.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/net/neighbour.h 2011-05-22 19:36:33.000000000 -0400 -@@ -118,12 +118,12 @@ struct neighbour { - - struct neigh_ops { - int family; -- void (*solicit)(struct neighbour *, struct sk_buff*); -- void (*error_report)(struct neighbour *, struct sk_buff*); -- int (*output)(struct sk_buff*); -- int (*connected_output)(struct sk_buff*); -- int (*hh_output)(struct sk_buff*); -- int (*queue_xmit)(struct sk_buff*); -+ void (* const solicit)(struct neighbour *, struct sk_buff*); -+ void (* const error_report)(struct neighbour *, struct sk_buff*); -+ int (* const output)(struct sk_buff*); -+ int (* const connected_output)(struct sk_buff*); -+ int (* const hh_output)(struct sk_buff*); -+ int (* const queue_xmit)(struct sk_buff*); - }; - - struct pneigh_entry { -diff -urNp linux-2.6.39.3/include/net/netfilter/nf_conntrack_ecache.h linux-2.6.39.3/include/net/netfilter/nf_conntrack_ecache.h ---- linux-2.6.39.3/include/net/netfilter/nf_conntrack_ecache.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/net/netfilter/nf_conntrack_ecache.h 2011-05-22 19:36:33.000000000 -0400 -@@ -95,7 +95,7 @@ nf_conntrack_eventmask_report(unsigned i - int report) - { - int ret = 0; -- struct nf_ct_event_notifier *notify; -+ const struct nf_ct_event_notifier *notify; - struct nf_conntrack_ecache *e; - - rcu_read_lock(); -@@ -174,7 +174,7 @@ nf_ct_expect_event_report(enum ip_conntr - u32 pid, - int report) - { -- struct nf_exp_event_notifier *notify; -+ const struct nf_exp_event_notifier *notify; - struct nf_conntrack_ecache *e; - - rcu_read_lock(); -diff -urNp linux-2.6.39.3/include/net/netlink.h linux-2.6.39.3/include/net/netlink.h ---- linux-2.6.39.3/include/net/netlink.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/net/netlink.h 2011-05-22 19:36:33.000000000 -0400 -@@ -562,7 +562,7 @@ static inline void *nlmsg_get_pos(struct - static inline void nlmsg_trim(struct sk_buff *skb, const void *mark) - { - if (mark) -- skb_trim(skb, (unsigned char *) mark - skb->data); -+ skb_trim(skb, (const unsigned char *) mark - skb->data); - } - - /** -diff -urNp linux-2.6.39.3/include/net/netns/ipv4.h linux-2.6.39.3/include/net/netns/ipv4.h ---- linux-2.6.39.3/include/net/netns/ipv4.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/net/netns/ipv4.h 2011-05-22 19:36:33.000000000 -0400 -@@ -54,8 +54,8 @@ struct netns_ipv4 { - int sysctl_rt_cache_rebuild_count; - int current_rt_cache_rebuild_count; - -- atomic_t rt_genid; -- atomic_t dev_addr_genid; -+ atomic_unchecked_t rt_genid; -+ atomic_unchecked_t dev_addr_genid; - - #ifdef CONFIG_IP_MROUTE - #ifndef CONFIG_IP_MROUTE_MULTIPLE_TABLES -diff -urNp linux-2.6.39.3/include/net/sctp/sctp.h linux-2.6.39.3/include/net/sctp/sctp.h ---- linux-2.6.39.3/include/net/sctp/sctp.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/net/sctp/sctp.h 2011-05-22 19:36:33.000000000 -0400 -@@ -316,9 +316,9 @@ do { \ - - #else /* SCTP_DEBUG */ - --#define SCTP_DEBUG_PRINTK(whatever...) --#define SCTP_DEBUG_PRINTK_CONT(fmt, args...) --#define SCTP_DEBUG_PRINTK_IPADDR(whatever...) -+#define SCTP_DEBUG_PRINTK(whatever...) do {} while (0) -+#define SCTP_DEBUG_PRINTK_CONT(fmt, args...) do {} while (0) -+#define SCTP_DEBUG_PRINTK_IPADDR(whatever...) do {} while (0) - #define SCTP_ENABLE_DEBUG - #define SCTP_DISABLE_DEBUG - #define SCTP_ASSERT(expr, str, func) -diff -urNp linux-2.6.39.3/include/net/sock.h linux-2.6.39.3/include/net/sock.h ---- linux-2.6.39.3/include/net/sock.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/net/sock.h 2011-05-22 19:36:33.000000000 -0400 -@@ -277,7 +277,7 @@ struct sock { - #ifdef CONFIG_RPS - __u32 sk_rxhash; - #endif -- atomic_t sk_drops; -+ atomic_unchecked_t sk_drops; - int sk_rcvbuf; - - struct sk_filter __rcu *sk_filter; -diff -urNp linux-2.6.39.3/include/net/tcp.h linux-2.6.39.3/include/net/tcp.h ---- linux-2.6.39.3/include/net/tcp.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/net/tcp.h 2011-05-22 19:36:33.000000000 -0400 -@@ -1374,7 +1374,7 @@ enum tcp_seq_states { - struct tcp_seq_afinfo { - char *name; - sa_family_t family; -- struct file_operations seq_fops; -+ struct file_operations seq_fops; /* cannot be const */ - struct seq_operations seq_ops; - }; - -diff -urNp linux-2.6.39.3/include/net/udp.h linux-2.6.39.3/include/net/udp.h ---- linux-2.6.39.3/include/net/udp.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/net/udp.h 2011-05-22 19:36:33.000000000 -0400 -@@ -234,7 +234,7 @@ struct udp_seq_afinfo { - char *name; - sa_family_t family; - struct udp_table *udp_table; -- struct file_operations seq_fops; -+ struct file_operations seq_fops; /* cannot be const */ - struct seq_operations seq_ops; - }; - -diff -urNp linux-2.6.39.3/include/net/xfrm.h linux-2.6.39.3/include/net/xfrm.h ---- linux-2.6.39.3/include/net/xfrm.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/net/xfrm.h 2011-05-22 19:36:33.000000000 -0400 -@@ -505,7 +505,7 @@ struct xfrm_policy { - struct timer_list timer; - - struct flow_cache_object flo; -- atomic_t genid; -+ atomic_unchecked_t genid; - u32 priority; - u32 index; - struct xfrm_mark mark; -diff -urNp linux-2.6.39.3/include/pcmcia/ss.h linux-2.6.39.3/include/pcmcia/ss.h ---- linux-2.6.39.3/include/pcmcia/ss.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/pcmcia/ss.h 2011-05-22 19:36:33.000000000 -0400 -@@ -241,9 +241,9 @@ struct pcmcia_socket { - * "select PCCARD_NONSTATIC" in Kconfig. - * - */ --extern struct pccard_resource_ops pccard_static_ops; -+extern const struct pccard_resource_ops pccard_static_ops; - #if defined(CONFIG_PCMCIA) || defined(CONFIG_PCMCIA_MODULE) --extern struct pccard_resource_ops pccard_iodyn_ops; -+extern const struct pccard_resource_ops pccard_iodyn_ops; - extern struct pccard_resource_ops pccard_nonstatic_ops; - #else - /* If PCMCIA is not used, but only CARDBUS, these functions are not used -diff -urNp linux-2.6.39.3/include/rdma/ib_verbs.h linux-2.6.39.3/include/rdma/ib_verbs.h ---- linux-2.6.39.3/include/rdma/ib_verbs.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/rdma/ib_verbs.h 2011-05-22 19:36:33.000000000 -0400 -@@ -1149,7 +1149,7 @@ struct ib_device { - struct ib_mad *in_mad, - struct ib_mad *out_mad); - -- struct ib_dma_mapping_ops *dma_ops; -+ const struct ib_dma_mapping_ops *dma_ops; - - struct module *owner; - struct device dev; -diff -urNp linux-2.6.39.3/include/scsi/libfc.h linux-2.6.39.3/include/scsi/libfc.h ---- linux-2.6.39.3/include/scsi/libfc.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/scsi/libfc.h 2011-05-22 19:36:33.000000000 -0400 -@@ -202,7 +202,7 @@ struct fc_rport_priv { - struct mutex rp_mutex; - struct delayed_work retry_work; - enum fc_rport_event event; -- struct fc_rport_operations *ops; -+ const struct fc_rport_operations *ops; - struct list_head peers; - struct work_struct event_work; - u32 supported_classes; -diff -urNp linux-2.6.39.3/include/scsi/scsi_device.h linux-2.6.39.3/include/scsi/scsi_device.h ---- linux-2.6.39.3/include/scsi/scsi_device.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/scsi/scsi_device.h 2011-05-22 19:36:33.000000000 -0400 -@@ -161,9 +161,9 @@ struct scsi_device { - unsigned int max_device_blocked; /* what device_blocked counts down from */ - #define SCSI_DEFAULT_DEVICE_BLOCKED 3 - -- atomic_t iorequest_cnt; -- atomic_t iodone_cnt; -- atomic_t ioerr_cnt; -+ atomic_unchecked_t iorequest_cnt; -+ atomic_unchecked_t iodone_cnt; -+ atomic_unchecked_t ioerr_cnt; - - struct device sdev_gendev, - sdev_dev; -diff -urNp linux-2.6.39.3/include/sound/ac97_codec.h linux-2.6.39.3/include/sound/ac97_codec.h ---- linux-2.6.39.3/include/sound/ac97_codec.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/sound/ac97_codec.h 2011-05-22 19:36:33.000000000 -0400 -@@ -424,15 +424,15 @@ - struct snd_ac97; - - struct snd_ac97_build_ops { -- int (*build_3d) (struct snd_ac97 *ac97); -- int (*build_specific) (struct snd_ac97 *ac97); -- int (*build_spdif) (struct snd_ac97 *ac97); -- int (*build_post_spdif) (struct snd_ac97 *ac97); -+ int (* const build_3d) (struct snd_ac97 *ac97); -+ int (* const build_specific) (struct snd_ac97 *ac97); -+ int (* const build_spdif) (struct snd_ac97 *ac97); -+ int (* const build_post_spdif) (struct snd_ac97 *ac97); - #ifdef CONFIG_PM -- void (*suspend) (struct snd_ac97 *ac97); -- void (*resume) (struct snd_ac97 *ac97); -+ void (* const suspend) (struct snd_ac97 *ac97); -+ void (* const resume) (struct snd_ac97 *ac97); - #endif -- void (*update_jacks) (struct snd_ac97 *ac97); /* for jack-sharing */ -+ void (* const update_jacks) (struct snd_ac97 *ac97); /* for jack-sharing */ - }; - - struct snd_ac97_bus_ops { -@@ -446,7 +446,7 @@ struct snd_ac97_bus_ops { - - struct snd_ac97_bus { - /* -- lowlevel (hardware) driver specific -- */ -- struct snd_ac97_bus_ops *ops; -+ const struct snd_ac97_bus_ops *ops; - void *private_data; - void (*private_free) (struct snd_ac97_bus *bus); - /* --- */ -@@ -556,7 +556,7 @@ static inline int ac97_can_spdif(struct - - /* functions */ - /* create new AC97 bus */ --int snd_ac97_bus(struct snd_card *card, int num, struct snd_ac97_bus_ops *ops, -+int snd_ac97_bus(struct snd_card *card, int num, const struct snd_ac97_bus_ops *ops, - void *private_data, struct snd_ac97_bus **rbus); - /* create mixer controls */ - int snd_ac97_mixer(struct snd_ac97_bus *bus, struct snd_ac97_template *template, -diff -urNp linux-2.6.39.3/include/sound/core.h linux-2.6.39.3/include/sound/core.h ---- linux-2.6.39.3/include/sound/core.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/sound/core.h 2011-05-22 19:36:33.000000000 -0400 -@@ -88,7 +88,7 @@ struct snd_device { - snd_device_state_t state; /* state of the device */ - snd_device_type_t type; /* device type */ - void *device_data; /* device structure */ -- struct snd_device_ops *ops; /* operations */ -+ const struct snd_device_ops *ops; /* operations */ - }; - - #define snd_device(n) list_entry(n, struct snd_device, list) -@@ -301,7 +301,7 @@ int snd_card_file_remove(struct snd_card - /* device.c */ - - int snd_device_new(struct snd_card *card, snd_device_type_t type, -- void *device_data, struct snd_device_ops *ops); -+ void *device_data, const struct snd_device_ops *ops); - int snd_device_register(struct snd_card *card, void *device_data); - int snd_device_register_all(struct snd_card *card); - int snd_device_disconnect(struct snd_card *card, void *device_data); -diff -urNp linux-2.6.39.3/include/sound/pcm.h linux-2.6.39.3/include/sound/pcm.h ---- linux-2.6.39.3/include/sound/pcm.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/sound/pcm.h 2011-05-22 19:36:33.000000000 -0400 -@@ -379,7 +379,7 @@ struct snd_pcm_substream { - unsigned int dma_buf_id; - size_t dma_max; - /* -- hardware operations -- */ -- struct snd_pcm_ops *ops; -+ const struct snd_pcm_ops *ops; - /* -- runtime information -- */ - struct snd_pcm_runtime *runtime; - /* -- timer section -- */ -@@ -845,7 +845,7 @@ const unsigned char *snd_pcm_format_sile - int snd_pcm_format_set_silence(snd_pcm_format_t format, void *buf, unsigned int frames); - snd_pcm_format_t snd_pcm_build_linear_format(int width, int unsignd, int big_endian); - --void snd_pcm_set_ops(struct snd_pcm * pcm, int direction, struct snd_pcm_ops *ops); -+void snd_pcm_set_ops(struct snd_pcm * pcm, int direction, const struct snd_pcm_ops *ops); - void snd_pcm_set_sync(struct snd_pcm_substream *substream); - int snd_pcm_lib_interleave_len(struct snd_pcm_substream *substream); - int snd_pcm_lib_ioctl(struct snd_pcm_substream *substream, -diff -urNp linux-2.6.39.3/include/sound/rawmidi.h linux-2.6.39.3/include/sound/rawmidi.h ---- linux-2.6.39.3/include/sound/rawmidi.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/sound/rawmidi.h 2011-05-22 19:36:33.000000000 -0400 -@@ -100,7 +100,7 @@ struct snd_rawmidi_substream { - struct snd_rawmidi_runtime *runtime; - struct pid *pid; - /* hardware layer */ -- struct snd_rawmidi_ops *ops; -+ const struct snd_rawmidi_ops *ops; - }; - - struct snd_rawmidi_file { -@@ -127,7 +127,7 @@ struct snd_rawmidi { - int ossreg; - #endif - -- struct snd_rawmidi_global_ops *ops; -+ const struct snd_rawmidi_global_ops *ops; - - struct snd_rawmidi_str streams[2]; - -@@ -151,7 +151,7 @@ int snd_rawmidi_new(struct snd_card *car - int output_count, int input_count, - struct snd_rawmidi **rmidi); - void snd_rawmidi_set_ops(struct snd_rawmidi *rmidi, int stream, -- struct snd_rawmidi_ops *ops); -+ const struct snd_rawmidi_ops *ops); - - /* callbacks */ - -diff -urNp linux-2.6.39.3/include/sound/seq_device.h linux-2.6.39.3/include/sound/seq_device.h ---- linux-2.6.39.3/include/sound/seq_device.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/sound/seq_device.h 2011-05-22 19:36:33.000000000 -0400 -@@ -69,7 +69,7 @@ struct snd_seq_dev_ops { - */ - void snd_seq_device_load_drivers(void); - int snd_seq_device_new(struct snd_card *card, int device, char *id, int argsize, struct snd_seq_device **result); --int snd_seq_device_register_driver(char *id, struct snd_seq_dev_ops *entry, int argsize); -+int snd_seq_device_register_driver(char *id, const struct snd_seq_dev_ops *entry, int argsize); - int snd_seq_device_unregister_driver(char *id); - - #define SNDRV_SEQ_DEVICE_ARGPTR(dev) (void *)((char *)(dev) + sizeof(struct snd_seq_device)) -diff -urNp linux-2.6.39.3/include/sound/snd_wavefront.h linux-2.6.39.3/include/sound/snd_wavefront.h ---- linux-2.6.39.3/include/sound/snd_wavefront.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/sound/snd_wavefront.h 2011-05-22 19:36:33.000000000 -0400 -@@ -37,8 +37,8 @@ struct _snd_wavefront_midi { - #define MPU_ACK 0xFE - #define UART_MODE_ON 0x3F - --extern struct snd_rawmidi_ops snd_wavefront_midi_output; --extern struct snd_rawmidi_ops snd_wavefront_midi_input; -+extern const struct snd_rawmidi_ops snd_wavefront_midi_output; -+extern const struct snd_rawmidi_ops snd_wavefront_midi_input; - - extern void snd_wavefront_midi_enable_virtual (snd_wavefront_card_t *); - extern void snd_wavefront_midi_disable_virtual (snd_wavefront_card_t *); -diff -urNp linux-2.6.39.3/include/sound/soc.h linux-2.6.39.3/include/sound/soc.h ---- linux-2.6.39.3/include/sound/soc.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/sound/soc.h 2011-05-22 19:36:33.000000000 -0400 -@@ -245,7 +245,7 @@ struct snd_soc_jack_gpio; - - typedef int (*hw_write_t)(void *,const char* ,int); - --extern struct snd_ac97_bus_ops soc_ac97_ops; -+extern const struct snd_ac97_bus_ops soc_ac97_ops; - - enum snd_soc_control_type { - SND_SOC_CUSTOM, -diff -urNp linux-2.6.39.3/include/sound/ymfpci.h linux-2.6.39.3/include/sound/ymfpci.h ---- linux-2.6.39.3/include/sound/ymfpci.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/sound/ymfpci.h 2011-05-22 19:36:33.000000000 -0400 -@@ -358,7 +358,7 @@ struct snd_ymfpci { - spinlock_t reg_lock; - spinlock_t voice_lock; - wait_queue_head_t interrupt_sleep; -- atomic_t interrupt_sleep_count; -+ atomic_unchecked_t interrupt_sleep_count; - struct snd_info_entry *proc_entry; - const struct firmware *dsp_microcode; - const struct firmware *controller_microcode; -diff -urNp linux-2.6.39.3/include/target/target_core_base.h linux-2.6.39.3/include/target/target_core_base.h ---- linux-2.6.39.3/include/target/target_core_base.h 2011-06-03 00:04:14.000000000 -0400 -+++ linux-2.6.39.3/include/target/target_core_base.h 2011-06-03 00:32:08.000000000 -0400 -@@ -432,8 +432,8 @@ struct se_transport_task { - atomic_t t_task_cdbs_left; - atomic_t t_task_cdbs_ex_left; - atomic_t t_task_cdbs_timeout_left; -- atomic_t t_task_cdbs_sent; -- atomic_t t_transport_aborted; -+ atomic_unchecked_t t_task_cdbs_sent; -+ atomic_unchecked_t t_transport_aborted; - atomic_t t_transport_active; - atomic_t t_transport_complete; - atomic_t t_transport_queue_active; -@@ -774,7 +774,7 @@ struct se_device { - atomic_t active_cmds; - atomic_t simple_cmds; - atomic_t depth_left; -- atomic_t dev_ordered_id; -+ atomic_unchecked_t dev_ordered_id; - atomic_t dev_tur_active; - atomic_t execute_tasks; - atomic_t dev_status_thr_count; -diff -urNp linux-2.6.39.3/include/trace/events/irq.h linux-2.6.39.3/include/trace/events/irq.h ---- linux-2.6.39.3/include/trace/events/irq.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/trace/events/irq.h 2011-05-22 19:36:33.000000000 -0400 -@@ -36,7 +36,7 @@ struct softirq_action; - */ - TRACE_EVENT(irq_handler_entry, - -- TP_PROTO(int irq, struct irqaction *action), -+ TP_PROTO(int irq, const struct irqaction *action), - - TP_ARGS(irq, action), - -@@ -66,7 +66,7 @@ TRACE_EVENT(irq_handler_entry, - */ - TRACE_EVENT(irq_handler_exit, - -- TP_PROTO(int irq, struct irqaction *action, int ret), -+ TP_PROTO(int irq, const struct irqaction *action, int ret), - - TP_ARGS(irq, action, ret), - -diff -urNp linux-2.6.39.3/include/video/udlfb.h linux-2.6.39.3/include/video/udlfb.h ---- linux-2.6.39.3/include/video/udlfb.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/video/udlfb.h 2011-05-22 19:36:33.000000000 -0400 -@@ -51,10 +51,10 @@ struct dlfb_data { - int base8; - u32 pseudo_palette[256]; - /* blit-only rendering path metrics, exposed through sysfs */ -- atomic_t bytes_rendered; /* raw pixel-bytes driver asked to render */ -- atomic_t bytes_identical; /* saved effort with backbuffer comparison */ -- atomic_t bytes_sent; /* to usb, after compression including overhead */ -- atomic_t cpu_kcycles_used; /* transpired during pixel processing */ -+ atomic_unchecked_t bytes_rendered; /* raw pixel-bytes driver asked to render */ -+ atomic_unchecked_t bytes_identical; /* saved effort with backbuffer comparison */ -+ atomic_unchecked_t bytes_sent; /* to usb, after compression including overhead */ -+ atomic_unchecked_t cpu_kcycles_used; /* transpired during pixel processing */ - }; - - #define NR_USB_REQUEST_I2C_SUB_IO 0x02 -diff -urNp linux-2.6.39.3/include/video/uvesafb.h linux-2.6.39.3/include/video/uvesafb.h ---- linux-2.6.39.3/include/video/uvesafb.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/include/video/uvesafb.h 2011-05-22 19:36:33.000000000 -0400 -@@ -177,6 +177,7 @@ struct uvesafb_par { - u8 ypan; /* 0 - nothing, 1 - ypan, 2 - ywrap */ - u8 pmi_setpal; /* PMI for palette changes */ - u16 *pmi_base; /* protected mode interface location */ -+ u8 *pmi_code; /* protected mode code location */ - void *pmi_start; - void *pmi_pal; - u8 *vbe_state_orig; /* -diff -urNp linux-2.6.39.3/init/do_mounts.c linux-2.6.39.3/init/do_mounts.c ---- linux-2.6.39.3/init/do_mounts.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/init/do_mounts.c 2011-05-22 19:36:33.000000000 -0400 -@@ -287,7 +287,7 @@ static void __init get_fs_names(char *pa - - static int __init do_mount_root(char *name, char *fs, int flags, void *data) - { -- int err = sys_mount(name, "/root", fs, flags, data); -+ int err = sys_mount((__force char __user *)name, (__force char __user *)"/root", (__force char __user *)fs, flags, (__force void __user *)data); - if (err) - return err; - -@@ -383,18 +383,18 @@ void __init change_floppy(char *fmt, ... - va_start(args, fmt); - vsprintf(buf, fmt, args); - va_end(args); -- fd = sys_open("/dev/root", O_RDWR | O_NDELAY, 0); -+ fd = sys_open((char __user *)"/dev/root", O_RDWR | O_NDELAY, 0); - if (fd >= 0) { - sys_ioctl(fd, FDEJECT, 0); - sys_close(fd); - } - printk(KERN_NOTICE "VFS: Insert %s and press ENTER\n", buf); -- fd = sys_open("/dev/console", O_RDWR, 0); -+ fd = sys_open((__force const char __user *)"/dev/console", O_RDWR, 0); - if (fd >= 0) { - sys_ioctl(fd, TCGETS, (long)&termios); - termios.c_lflag &= ~ICANON; - sys_ioctl(fd, TCSETSF, (long)&termios); -- sys_read(fd, &c, 1); -+ sys_read(fd, (char __user *)&c, 1); - termios.c_lflag |= ICANON; - sys_ioctl(fd, TCSETSF, (long)&termios); - sys_close(fd); -@@ -488,6 +488,6 @@ void __init prepare_namespace(void) - mount_root(); - out: - devtmpfs_mount("dev"); -- sys_mount(".", "/", NULL, MS_MOVE, NULL); -+ sys_mount((__force char __user *)".", (__force char __user *)"/", NULL, MS_MOVE, NULL); - sys_chroot((const char __user __force *)"."); - } -diff -urNp linux-2.6.39.3/init/do_mounts.h linux-2.6.39.3/init/do_mounts.h ---- linux-2.6.39.3/init/do_mounts.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/init/do_mounts.h 2011-05-22 19:36:33.000000000 -0400 -@@ -15,15 +15,15 @@ extern int root_mountflags; - - static inline int create_dev(char *name, dev_t dev) - { -- sys_unlink(name); -- return sys_mknod(name, S_IFBLK|0600, new_encode_dev(dev)); -+ sys_unlink((__force char __user *)name); -+ return sys_mknod((__force char __user *)name, S_IFBLK|0600, new_encode_dev(dev)); - } - - #if BITS_PER_LONG == 32 - static inline u32 bstat(char *name) - { - struct stat64 stat; -- if (sys_stat64(name, &stat) != 0) -+ if (sys_stat64((__force char __user *)name, (__force struct stat64 __user *)&stat) != 0) - return 0; - if (!S_ISBLK(stat.st_mode)) - return 0; -diff -urNp linux-2.6.39.3/init/do_mounts_initrd.c linux-2.6.39.3/init/do_mounts_initrd.c ---- linux-2.6.39.3/init/do_mounts_initrd.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/init/do_mounts_initrd.c 2011-05-22 19:36:33.000000000 -0400 -@@ -44,13 +44,13 @@ static void __init handle_initrd(void) - create_dev("/dev/root.old", Root_RAM0); - /* mount initrd on rootfs' /root */ - mount_block_root("/dev/root.old", root_mountflags & ~MS_RDONLY); -- sys_mkdir("/old", 0700); -- root_fd = sys_open("/", 0, 0); -- old_fd = sys_open("/old", 0, 0); -+ sys_mkdir((__force const char __user *)"/old", 0700); -+ root_fd = sys_open((__force const char __user *)"/", 0, 0); -+ old_fd = sys_open((__force const char __user *)"/old", 0, 0); - /* move initrd over / and chdir/chroot in initrd root */ -- sys_chdir("/root"); -- sys_mount(".", "/", NULL, MS_MOVE, NULL); -- sys_chroot("."); -+ sys_chdir((__force const char __user *)"/root"); -+ sys_mount((__force char __user *)".", (__force char __user *)"/", NULL, MS_MOVE, NULL); -+ sys_chroot((__force const char __user *)"."); - - /* - * In case that a resume from disk is carried out by linuxrc or one of -@@ -67,15 +67,15 @@ static void __init handle_initrd(void) - - /* move initrd to rootfs' /old */ - sys_fchdir(old_fd); -- sys_mount("/", ".", NULL, MS_MOVE, NULL); -+ sys_mount((__force char __user *)"/", (__force char __user *)".", NULL, MS_MOVE, NULL); - /* switch root and cwd back to / of rootfs */ - sys_fchdir(root_fd); -- sys_chroot("."); -+ sys_chroot((__force const char __user *)"."); - sys_close(old_fd); - sys_close(root_fd); - - if (new_decode_dev(real_root_dev) == Root_RAM0) { -- sys_chdir("/old"); -+ sys_chdir((__force const char __user *)"/old"); - return; - } - -@@ -83,17 +83,17 @@ static void __init handle_initrd(void) - mount_root(); - - printk(KERN_NOTICE "Trying to move old root to /initrd ... "); -- error = sys_mount("/old", "/root/initrd", NULL, MS_MOVE, NULL); -+ error = sys_mount((__force char __user *)"/old", (__force char __user *)"/root/initrd", NULL, MS_MOVE, NULL); - if (!error) - printk("okay\n"); - else { -- int fd = sys_open("/dev/root.old", O_RDWR, 0); -+ int fd = sys_open((__force const char __user *)"/dev/root.old", O_RDWR, 0); - if (error == -ENOENT) - printk("/initrd does not exist. Ignored.\n"); - else - printk("failed\n"); - printk(KERN_NOTICE "Unmounting old root\n"); -- sys_umount("/old", MNT_DETACH); -+ sys_umount((__force char __user *)"/old", MNT_DETACH); - printk(KERN_NOTICE "Trying to free ramdisk memory ... "); - if (fd < 0) { - error = fd; -@@ -116,11 +116,11 @@ int __init initrd_load(void) - * mounted in the normal path. - */ - if (rd_load_image("/initrd.image") && ROOT_DEV != Root_RAM0) { -- sys_unlink("/initrd.image"); -+ sys_unlink((__force const char __user *)"/initrd.image"); - handle_initrd(); - return 1; - } - } -- sys_unlink("/initrd.image"); -+ sys_unlink((__force const char __user *)"/initrd.image"); - return 0; - } -diff -urNp linux-2.6.39.3/init/do_mounts_md.c linux-2.6.39.3/init/do_mounts_md.c ---- linux-2.6.39.3/init/do_mounts_md.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/init/do_mounts_md.c 2011-05-22 19:36:33.000000000 -0400 -@@ -170,7 +170,7 @@ static void __init md_setup_drive(void) - partitioned ? "_d" : "", minor, - md_setup_args[ent].device_names); - -- fd = sys_open(name, 0, 0); -+ fd = sys_open((__force char __user *)name, 0, 0); - if (fd < 0) { - printk(KERN_ERR "md: open failed - cannot start " - "array %s\n", name); -@@ -233,7 +233,7 @@ static void __init md_setup_drive(void) - * array without it - */ - sys_close(fd); -- fd = sys_open(name, 0, 0); -+ fd = sys_open((__force char __user *)name, 0, 0); - sys_ioctl(fd, BLKRRPART, 0); - } - sys_close(fd); -diff -urNp linux-2.6.39.3/init/initramfs.c linux-2.6.39.3/init/initramfs.c ---- linux-2.6.39.3/init/initramfs.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/init/initramfs.c 2011-05-22 19:36:33.000000000 -0400 -@@ -74,7 +74,7 @@ static void __init free_hash(void) - } - } - --static long __init do_utime(char __user *filename, time_t mtime) -+static long __init do_utime(__force char __user *filename, time_t mtime) - { - struct timespec t[2]; - -@@ -109,7 +109,7 @@ static void __init dir_utime(void) - struct dir_entry *de, *tmp; - list_for_each_entry_safe(de, tmp, &dir_list, list) { - list_del(&de->list); -- do_utime(de->name, de->mtime); -+ do_utime((__force char __user *)de->name, de->mtime); - kfree(de->name); - kfree(de); - } -@@ -271,7 +271,7 @@ static int __init maybe_link(void) - if (nlink >= 2) { - char *old = find_link(major, minor, ino, mode, collected); - if (old) -- return (sys_link(old, collected) < 0) ? -1 : 1; -+ return (sys_link((__force char __user *)old, (__force char __user *)collected) < 0) ? -1 : 1; - } - return 0; - } -@@ -280,11 +280,11 @@ static void __init clean_path(char *path - { - struct stat st; - -- if (!sys_newlstat(path, &st) && (st.st_mode^mode) & S_IFMT) { -+ if (!sys_newlstat((__force char __user *)path, (__force struct stat __user *)&st) && (st.st_mode^mode) & S_IFMT) { - if (S_ISDIR(st.st_mode)) -- sys_rmdir(path); -+ sys_rmdir((__force char __user *)path); - else -- sys_unlink(path); -+ sys_unlink((__force char __user *)path); - } - } - -@@ -305,7 +305,7 @@ static int __init do_name(void) - int openflags = O_WRONLY|O_CREAT; - if (ml != 1) - openflags |= O_TRUNC; -- wfd = sys_open(collected, openflags, mode); -+ wfd = sys_open((__force char __user *)collected, openflags, mode); - - if (wfd >= 0) { - sys_fchown(wfd, uid, gid); -@@ -317,17 +317,17 @@ static int __init do_name(void) - } - } - } else if (S_ISDIR(mode)) { -- sys_mkdir(collected, mode); -- sys_chown(collected, uid, gid); -- sys_chmod(collected, mode); -+ sys_mkdir((__force char __user *)collected, mode); -+ sys_chown((__force char __user *)collected, uid, gid); -+ sys_chmod((__force char __user *)collected, mode); - dir_add(collected, mtime); - } else if (S_ISBLK(mode) || S_ISCHR(mode) || - S_ISFIFO(mode) || S_ISSOCK(mode)) { - if (maybe_link() == 0) { -- sys_mknod(collected, mode, rdev); -- sys_chown(collected, uid, gid); -- sys_chmod(collected, mode); -- do_utime(collected, mtime); -+ sys_mknod((__force char __user *)collected, mode, rdev); -+ sys_chown((__force char __user *)collected, uid, gid); -+ sys_chmod((__force char __user *)collected, mode); -+ do_utime((__force char __user *)collected, mtime); - } - } - return 0; -@@ -336,15 +336,15 @@ static int __init do_name(void) - static int __init do_copy(void) - { - if (count >= body_len) { -- sys_write(wfd, victim, body_len); -+ sys_write(wfd, (__force char __user *)victim, body_len); - sys_close(wfd); -- do_utime(vcollected, mtime); -+ do_utime((__force char __user *)vcollected, mtime); - kfree(vcollected); - eat(body_len); - state = SkipIt; - return 0; - } else { -- sys_write(wfd, victim, count); -+ sys_write(wfd, (__force char __user *)victim, count); - body_len -= count; - eat(count); - return 1; -@@ -355,9 +355,9 @@ static int __init do_symlink(void) - { - collected[N_ALIGN(name_len) + body_len] = '\0'; - clean_path(collected, 0); -- sys_symlink(collected + N_ALIGN(name_len), collected); -- sys_lchown(collected, uid, gid); -- do_utime(collected, mtime); -+ sys_symlink((__force char __user *)collected + N_ALIGN(name_len), (__force char __user *)collected); -+ sys_lchown((__force char __user *)collected, uid, gid); -+ do_utime((__force char __user *)collected, mtime); - state = SkipIt; - next_state = Reset; - return 0; -diff -urNp linux-2.6.39.3/init/Kconfig linux-2.6.39.3/init/Kconfig ---- linux-2.6.39.3/init/Kconfig 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/init/Kconfig 2011-05-22 19:36:33.000000000 -0400 -@@ -1202,7 +1202,7 @@ config SLUB_DEBUG - - config COMPAT_BRK - bool "Disable heap randomization" -- default y -+ default n - help - Randomizing heap placement makes heap exploits harder, but it - also breaks ancient binaries (including anything libc5 based). -diff -urNp linux-2.6.39.3/init/main.c linux-2.6.39.3/init/main.c ---- linux-2.6.39.3/init/main.c 2011-06-03 00:04:14.000000000 -0400 -+++ linux-2.6.39.3/init/main.c 2011-06-03 00:32:08.000000000 -0400 -@@ -96,6 +96,8 @@ static inline void mark_rodata_ro(void) - extern void tc_init(void); - #endif - -+extern void grsecurity_init(void); -+ - /* - * Debug helper: via this flag we know that we are in 'early bootup code' - * where only the boot processor is running with IRQ disabled. This means -@@ -149,6 +151,49 @@ static int __init set_reset_devices(char - - __setup("reset_devices", set_reset_devices); - -+#if defined(CONFIG_X86_64) && defined(CONFIG_PAX_MEMORY_UDEREF) -+extern char pax_enter_kernel_user[]; -+extern char pax_exit_kernel_user[]; -+extern pgdval_t clone_pgd_mask; -+#endif -+ -+#if defined(CONFIG_X86) && defined(CONFIG_PAX_MEMORY_UDEREF) -+static int __init setup_pax_nouderef(char *str) -+{ -+#ifdef CONFIG_X86_32 -+ unsigned int cpu; -+ struct desc_struct *gdt; -+ -+ for (cpu = 0; cpu < NR_CPUS; cpu++) { -+ gdt = get_cpu_gdt_table(cpu); -+ gdt[GDT_ENTRY_KERNEL_DS].type = 3; -+ gdt[GDT_ENTRY_KERNEL_DS].limit = 0xf; -+ gdt[GDT_ENTRY_DEFAULT_USER_CS].limit = 0xf; -+ gdt[GDT_ENTRY_DEFAULT_USER_DS].limit = 0xf; -+ } -+ asm("mov %0, %%ds; mov %0, %%es; mov %0, %%ss" : : "r" (__KERNEL_DS) : "memory"); -+#else -+ memcpy(pax_enter_kernel_user, (unsigned char []){0xc3}, 1); -+ memcpy(pax_exit_kernel_user, (unsigned char []){0xc3}, 1); -+ clone_pgd_mask = ~(pgdval_t)0UL; -+#endif -+ -+ return 0; -+} -+early_param("pax_nouderef", setup_pax_nouderef); -+#endif -+ -+#ifdef CONFIG_PAX_SOFTMODE -+unsigned int pax_softmode; -+ -+static int __init setup_pax_softmode(char *str) -+{ -+ get_option(&str, &pax_softmode); -+ return 1; -+} -+__setup("pax_softmode=", setup_pax_softmode); -+#endif -+ - static const char * argv_init[MAX_INIT_ARGS+2] = { "init", NULL, }; - const char * envp_init[MAX_INIT_ENVS+2] = { "HOME=/", "TERM=linux", NULL, }; - static const char *panic_later, *panic_param; -@@ -663,6 +708,7 @@ int __init_or_module do_one_initcall(ini - { - int count = preempt_count(); - int ret; -+ const char *msg1 = "", *msg2 = ""; - - if (initcall_debug) - ret = do_one_initcall_debug(fn); -@@ -675,15 +721,15 @@ int __init_or_module do_one_initcall(ini - sprintf(msgbuf, "error code %d ", ret); - - if (preempt_count() != count) { -- strlcat(msgbuf, "preemption imbalance ", sizeof(msgbuf)); -+ msg1 = " preemption imbalance"; - preempt_count() = count; - } - if (irqs_disabled()) { -- strlcat(msgbuf, "disabled interrupts ", sizeof(msgbuf)); -+ msg2 = " disabled interrupts"; - local_irq_enable(); - } -- if (msgbuf[0]) { -- printk("initcall %pF returned with %s\n", fn, msgbuf); -+ if (msgbuf[0] || *msg1 || *msg2) { -+ printk("initcall %pF returned with %s%s%s\n", fn, msgbuf, msg1, msg2); - } - - return ret; -@@ -801,7 +847,7 @@ static int __init kernel_init(void * unu - do_basic_setup(); - - /* Open the /dev/console on the rootfs, this should never fail */ -- if (sys_open((const char __user *) "/dev/console", O_RDWR, 0) < 0) -+ if (sys_open((__force const char __user *) "/dev/console", O_RDWR, 0) < 0) - printk(KERN_WARNING "Warning: unable to open an initial console.\n"); - - (void) sys_dup(0); -@@ -814,11 +860,13 @@ static int __init kernel_init(void * unu - if (!ramdisk_execute_command) - ramdisk_execute_command = "/init"; - -- if (sys_access((const char __user *) ramdisk_execute_command, 0) != 0) { -+ if (sys_access((__force const char __user *) ramdisk_execute_command, 0) != 0) { - ramdisk_execute_command = NULL; - prepare_namespace(); - } - -+ grsecurity_init(); -+ - /* - * Ok, we have completed the initial bootup, and - * we're essentially up and running. Get rid of the -diff -urNp linux-2.6.39.3/ipc/mqueue.c linux-2.6.39.3/ipc/mqueue.c ---- linux-2.6.39.3/ipc/mqueue.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/ipc/mqueue.c 2011-05-22 19:41:42.000000000 -0400 -@@ -154,6 +154,7 @@ static struct inode *mqueue_get_inode(st - mq_bytes = (mq_msg_tblsz + - (info->attr.mq_maxmsg * info->attr.mq_msgsize)); - -+ gr_learn_resource(current, RLIMIT_MSGQUEUE, u->mq_bytes + mq_bytes, 1); - spin_lock(&mq_lock); - if (u->mq_bytes + mq_bytes < u->mq_bytes || - u->mq_bytes + mq_bytes > -diff -urNp linux-2.6.39.3/ipc/sem.c linux-2.6.39.3/ipc/sem.c ---- linux-2.6.39.3/ipc/sem.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/ipc/sem.c 2011-05-22 19:36:33.000000000 -0400 -@@ -854,6 +854,8 @@ static int semctl_main(struct ipc_namesp - int nsems; - struct list_head tasks; - -+ pax_track_stack(); -+ - sma = sem_lock_check(ns, semid); - if (IS_ERR(sma)) - return PTR_ERR(sma); -@@ -1301,6 +1303,8 @@ SYSCALL_DEFINE4(semtimedop, int, semid, - struct ipc_namespace *ns; - struct list_head tasks; - -+ pax_track_stack(); -+ - ns = current->nsproxy->ipc_ns; - - if (nsops < 1 || semid < 0) -diff -urNp linux-2.6.39.3/ipc/shm.c linux-2.6.39.3/ipc/shm.c ---- linux-2.6.39.3/ipc/shm.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/ipc/shm.c 2011-05-22 19:41:42.000000000 -0400 -@@ -69,6 +69,14 @@ static void shm_destroy (struct ipc_name - static int sysvipc_shm_proc_show(struct seq_file *s, void *it); - #endif - -+#ifdef CONFIG_GRKERNSEC -+extern int gr_handle_shmat(const pid_t shm_cprid, const pid_t shm_lapid, -+ const time_t shm_createtime, const uid_t cuid, -+ const int shmid); -+extern int gr_chroot_shmat(const pid_t shm_cprid, const pid_t shm_lapid, -+ const time_t shm_createtime); -+#endif -+ - void shm_init_ns(struct ipc_namespace *ns) - { - ns->shm_ctlmax = SHMMAX; -@@ -401,6 +409,14 @@ static int newseg(struct ipc_namespace * - shp->shm_lprid = 0; - shp->shm_atim = shp->shm_dtim = 0; - shp->shm_ctim = get_seconds(); -+#ifdef CONFIG_GRKERNSEC -+ { -+ struct timespec timeval; -+ do_posix_clock_monotonic_gettime(&timeval); -+ -+ shp->shm_createtime = timeval.tv_sec; -+ } -+#endif - shp->shm_segsz = size; - shp->shm_nattch = 0; - shp->shm_file = file; -@@ -762,8 +778,6 @@ SYSCALL_DEFINE3(shmctl, int, shmid, int, - case SHM_LOCK: - case SHM_UNLOCK: - { -- struct file *uninitialized_var(shm_file); -- - lru_add_drain_all(); /* drain pagevecs to lru lists */ - - shp = shm_lock_check(ns, shmid); -@@ -896,9 +910,21 @@ long do_shmat(int shmid, char __user *sh - if (err) - goto out_unlock; - -+#ifdef CONFIG_GRKERNSEC -+ if (!gr_handle_shmat(shp->shm_cprid, shp->shm_lapid, shp->shm_createtime, -+ shp->shm_perm.cuid, shmid) || -+ !gr_chroot_shmat(shp->shm_cprid, shp->shm_lapid, shp->shm_createtime)) { -+ err = -EACCES; -+ goto out_unlock; -+ } -+#endif -+ - path = shp->shm_file->f_path; - path_get(&path); - shp->shm_nattch++; -+#ifdef CONFIG_GRKERNSEC -+ shp->shm_lapid = current->pid; -+#endif - size = i_size_read(path.dentry->d_inode); - shm_unlock(shp); - -diff -urNp linux-2.6.39.3/kernel/acct.c linux-2.6.39.3/kernel/acct.c ---- linux-2.6.39.3/kernel/acct.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/kernel/acct.c 2011-05-22 19:36:33.000000000 -0400 -@@ -570,7 +570,7 @@ static void do_acct_process(struct bsd_a - */ - flim = current->signal->rlim[RLIMIT_FSIZE].rlim_cur; - current->signal->rlim[RLIMIT_FSIZE].rlim_cur = RLIM_INFINITY; -- file->f_op->write(file, (char *)&ac, -+ file->f_op->write(file, (__force char __user *)&ac, - sizeof(acct_t), &file->f_pos); - current->signal->rlim[RLIMIT_FSIZE].rlim_cur = flim; - set_fs(fs); -diff -urNp linux-2.6.39.3/kernel/audit.c linux-2.6.39.3/kernel/audit.c ---- linux-2.6.39.3/kernel/audit.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/kernel/audit.c 2011-05-22 19:36:33.000000000 -0400 -@@ -112,7 +112,7 @@ u32 audit_sig_sid = 0; - 3) suppressed due to audit_rate_limit - 4) suppressed due to audit_backlog_limit - */ --static atomic_t audit_lost = ATOMIC_INIT(0); -+static atomic_unchecked_t audit_lost = ATOMIC_INIT(0); - - /* The netlink socket. */ - static struct sock *audit_sock; -@@ -234,7 +234,7 @@ void audit_log_lost(const char *message) - unsigned long now; - int print; - -- atomic_inc(&audit_lost); -+ atomic_inc_unchecked(&audit_lost); - - print = (audit_failure == AUDIT_FAIL_PANIC || !audit_rate_limit); - -@@ -253,7 +253,7 @@ void audit_log_lost(const char *message) - printk(KERN_WARNING - "audit: audit_lost=%d audit_rate_limit=%d " - "audit_backlog_limit=%d\n", -- atomic_read(&audit_lost), -+ atomic_read_unchecked(&audit_lost), - audit_rate_limit, - audit_backlog_limit); - audit_panic(message); -@@ -686,7 +686,7 @@ static int audit_receive_msg(struct sk_b - status_set.pid = audit_pid; - status_set.rate_limit = audit_rate_limit; - status_set.backlog_limit = audit_backlog_limit; -- status_set.lost = atomic_read(&audit_lost); -+ status_set.lost = atomic_read_unchecked(&audit_lost); - status_set.backlog = skb_queue_len(&audit_skb_queue); - audit_send_reply(NETLINK_CB(skb).pid, seq, AUDIT_GET, 0, 0, - &status_set, sizeof(status_set)); -diff -urNp linux-2.6.39.3/kernel/auditsc.c linux-2.6.39.3/kernel/auditsc.c ---- linux-2.6.39.3/kernel/auditsc.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/kernel/auditsc.c 2011-05-22 19:36:33.000000000 -0400 -@@ -2111,7 +2111,7 @@ int auditsc_get_stamp(struct audit_conte - } - - /* global counter which is incremented every time something logs in */ --static atomic_t session_id = ATOMIC_INIT(0); -+static atomic_unchecked_t session_id = ATOMIC_INIT(0); - - /** - * audit_set_loginuid - set a task's audit_context loginuid -@@ -2124,7 +2124,7 @@ static atomic_t session_id = ATOMIC_INIT - */ - int audit_set_loginuid(struct task_struct *task, uid_t loginuid) - { -- unsigned int sessionid = atomic_inc_return(&session_id); -+ unsigned int sessionid = atomic_inc_return_unchecked(&session_id); - struct audit_context *context = task->audit_context; - - if (context && context->in_syscall) { -diff -urNp linux-2.6.39.3/kernel/capability.c linux-2.6.39.3/kernel/capability.c ---- linux-2.6.39.3/kernel/capability.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/kernel/capability.c 2011-05-22 21:02:23.000000000 -0400 -@@ -206,6 +206,9 @@ SYSCALL_DEFINE2(capget, cap_user_header_ - * before modification is attempted and the application - * fails. - */ -+ if (tocopy > ARRAY_SIZE(kdata)) -+ return -EFAULT; -+ - if (copy_to_user(dataptr, kdata, tocopy - * sizeof(struct __user_cap_data_struct))) { - return -EFAULT; -@@ -378,7 +381,7 @@ bool ns_capable(struct user_namespace *n - BUG(); - } - -- if (security_capable(ns, current_cred(), cap) == 0) { -+ if (security_capable(ns, current_cred(), cap) == 0 && gr_is_capable(cap)) { - current->flags |= PF_SUPERPRIV; - return true; - } -@@ -386,6 +389,27 @@ bool ns_capable(struct user_namespace *n - } - EXPORT_SYMBOL(ns_capable); - -+bool ns_capable_nolog(struct user_namespace *ns, int cap) -+{ -+ if (unlikely(!cap_valid(cap))) { -+ printk(KERN_CRIT "capable() called with invalid cap=%u\n", cap); -+ BUG(); -+ } -+ -+ if (security_capable(ns, current_cred(), cap) == 0 && gr_is_capable_nolog(cap)) { -+ current->flags |= PF_SUPERPRIV; -+ return true; -+ } -+ return false; -+} -+EXPORT_SYMBOL(ns_capable_nolog); -+ -+bool capable_nolog(int cap) -+{ -+ return ns_capable_nolog(&init_user_ns, cap); -+} -+EXPORT_SYMBOL(capable_nolog); -+ - /** - * task_ns_capable - Determine whether current task has a superior - * capability targeted at a specific task's user namespace. -@@ -400,6 +424,12 @@ bool task_ns_capable(struct task_struct - } - EXPORT_SYMBOL(task_ns_capable); - -+bool task_ns_capable_nolog(struct task_struct *t, int cap) -+{ -+ return ns_capable_nolog(task_cred_xxx(t, user)->user_ns, cap); -+} -+EXPORT_SYMBOL(task_ns_capable_nolog); -+ - /** - * nsown_capable - Check superior capability to one's own user_ns - * @cap: The capability in question -diff -urNp linux-2.6.39.3/kernel/cgroup.c linux-2.6.39.3/kernel/cgroup.c ---- linux-2.6.39.3/kernel/cgroup.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/kernel/cgroup.c 2011-05-22 19:36:33.000000000 -0400 -@@ -598,6 +598,8 @@ static struct css_set *find_css_set( - struct hlist_head *hhead; - struct cg_cgroup_link *link; - -+ pax_track_stack(); -+ - /* First see if we already have a cgroup group that matches - * the desired set */ - read_lock(&css_set_lock); -diff -urNp linux-2.6.39.3/kernel/compat.c linux-2.6.39.3/kernel/compat.c ---- linux-2.6.39.3/kernel/compat.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/kernel/compat.c 2011-05-22 19:41:42.000000000 -0400 -@@ -13,6 +13,7 @@ - - #include <linux/linkage.h> - #include <linux/compat.h> -+#include <linux/module.h> - #include <linux/errno.h> - #include <linux/time.h> - #include <linux/signal.h> -diff -urNp linux-2.6.39.3/kernel/configs.c linux-2.6.39.3/kernel/configs.c ---- linux-2.6.39.3/kernel/configs.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/kernel/configs.c 2011-05-22 19:41:42.000000000 -0400 -@@ -74,8 +74,19 @@ static int __init ikconfig_init(void) - struct proc_dir_entry *entry; - - /* create the current config file */ -+#if defined(CONFIG_GRKERNSEC_PROC_ADD) || defined(CONFIG_GRKERNSEC_HIDESYM) -+#if defined(CONFIG_GRKERNSEC_PROC_USER) || defined(CONFIG_GRKERNSEC_HIDESYM) -+ entry = proc_create("config.gz", S_IFREG | S_IRUSR, NULL, -+ &ikconfig_file_ops); -+#elif defined(CONFIG_GRKERNSEC_PROC_USERGROUP) -+ entry = proc_create("config.gz", S_IFREG | S_IRUSR | S_IRGRP, NULL, -+ &ikconfig_file_ops); -+#endif -+#else - entry = proc_create("config.gz", S_IFREG | S_IRUGO, NULL, - &ikconfig_file_ops); -+#endif -+ - if (!entry) - return -ENOMEM; - -diff -urNp linux-2.6.39.3/kernel/cred.c linux-2.6.39.3/kernel/cred.c ---- linux-2.6.39.3/kernel/cred.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/kernel/cred.c 2011-05-22 19:41:42.000000000 -0400 -@@ -158,6 +158,8 @@ static void put_cred_rcu(struct rcu_head - */ - void __put_cred(struct cred *cred) - { -+ pax_track_stack(); -+ - kdebug("__put_cred(%p{%d,%d})", cred, - atomic_read(&cred->usage), - read_cred_subscribers(cred)); -@@ -182,6 +184,8 @@ void exit_creds(struct task_struct *tsk) - { - struct cred *cred; - -+ pax_track_stack(); -+ - kdebug("exit_creds(%u,%p,%p,{%d,%d})", tsk->pid, tsk->real_cred, tsk->cred, - atomic_read(&tsk->cred->usage), - read_cred_subscribers(tsk->cred)); -@@ -220,6 +224,8 @@ const struct cred *get_task_cred(struct - { - const struct cred *cred; - -+ pax_track_stack(); -+ - rcu_read_lock(); - - do { -@@ -239,6 +245,8 @@ struct cred *cred_alloc_blank(void) - { - struct cred *new; - -+ pax_track_stack(); -+ - new = kmem_cache_zalloc(cred_jar, GFP_KERNEL); - if (!new) - return NULL; -@@ -287,6 +295,8 @@ struct cred *prepare_creds(void) - const struct cred *old; - struct cred *new; - -+ pax_track_stack(); -+ - validate_process_creds(); - - new = kmem_cache_alloc(cred_jar, GFP_KERNEL); -@@ -333,6 +343,8 @@ struct cred *prepare_exec_creds(void) - struct thread_group_cred *tgcred = NULL; - struct cred *new; - -+ pax_track_stack(); -+ - #ifdef CONFIG_KEYS - tgcred = kmalloc(sizeof(*tgcred), GFP_KERNEL); - if (!tgcred) -@@ -385,6 +397,8 @@ int copy_creds(struct task_struct *p, un - struct cred *new; - int ret; - -+ pax_track_stack(); -+ - if ( - #ifdef CONFIG_KEYS - !p->cred->thread_keyring && -@@ -475,6 +489,8 @@ int commit_creds(struct cred *new) - struct task_struct *task = current; - const struct cred *old = task->real_cred; - -+ pax_track_stack(); -+ - kdebug("commit_creds(%p{%d,%d})", new, - atomic_read(&new->usage), - read_cred_subscribers(new)); -@@ -489,6 +505,8 @@ int commit_creds(struct cred *new) - - get_cred(new); /* we will require a ref for the subj creds too */ - -+ gr_set_role_label(task, new->uid, new->gid); -+ - /* dumpability changes */ - if (old->euid != new->euid || - old->egid != new->egid || -@@ -551,6 +569,8 @@ EXPORT_SYMBOL(commit_creds); - */ - void abort_creds(struct cred *new) - { -+ pax_track_stack(); -+ - kdebug("abort_creds(%p{%d,%d})", new, - atomic_read(&new->usage), - read_cred_subscribers(new)); -@@ -574,6 +594,8 @@ const struct cred *override_creds(const - { - const struct cred *old = current->cred; - -+ pax_track_stack(); -+ - kdebug("override_creds(%p{%d,%d})", new, - atomic_read(&new->usage), - read_cred_subscribers(new)); -@@ -603,6 +625,8 @@ void revert_creds(const struct cred *old - { - const struct cred *override = current->cred; - -+ pax_track_stack(); -+ - kdebug("revert_creds(%p{%d,%d})", old, - atomic_read(&old->usage), - read_cred_subscribers(old)); -@@ -649,6 +673,8 @@ struct cred *prepare_kernel_cred(struct - const struct cred *old; - struct cred *new; - -+ pax_track_stack(); -+ - new = kmem_cache_alloc(cred_jar, GFP_KERNEL); - if (!new) - return NULL; -@@ -703,6 +729,8 @@ EXPORT_SYMBOL(prepare_kernel_cred); - */ - int set_security_override(struct cred *new, u32 secid) - { -+ pax_track_stack(); -+ - return security_kernel_act_as(new, secid); - } - EXPORT_SYMBOL(set_security_override); -@@ -722,6 +750,8 @@ int set_security_override_from_ctx(struc - u32 secid; - int ret; - -+ pax_track_stack(); -+ - ret = security_secctx_to_secid(secctx, strlen(secctx), &secid); - if (ret < 0) - return ret; -diff -urNp linux-2.6.39.3/kernel/debug/debug_core.c linux-2.6.39.3/kernel/debug/debug_core.c ---- linux-2.6.39.3/kernel/debug/debug_core.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/kernel/debug/debug_core.c 2011-05-22 19:36:33.000000000 -0400 -@@ -72,7 +72,7 @@ int kgdb_io_module_registered; - /* Guard for recursive entry */ - static int exception_level; - --struct kgdb_io *dbg_io_ops; -+const struct kgdb_io *dbg_io_ops; - static DEFINE_SPINLOCK(kgdb_registration_lock); - - /* kgdb console driver is loaded */ -@@ -119,7 +119,7 @@ static DEFINE_RAW_SPINLOCK(dbg_slave_loc - */ - static atomic_t masters_in_kgdb; - static atomic_t slaves_in_kgdb; --static atomic_t kgdb_break_tasklet_var; -+static atomic_unchecked_t kgdb_break_tasklet_var; - atomic_t kgdb_setting_breakpoint; - - struct task_struct *kgdb_usethread; -@@ -129,7 +129,7 @@ int kgdb_single_step; - static pid_t kgdb_sstep_pid; - - /* to keep track of the CPU which is doing the single stepping*/ --atomic_t kgdb_cpu_doing_single_step = ATOMIC_INIT(-1); -+atomic_unchecked_t kgdb_cpu_doing_single_step = ATOMIC_INIT(-1); - - /* - * If you are debugging a problem where roundup (the collection of -@@ -542,7 +542,7 @@ return_normal: - * kernel will only try for the value of sstep_tries before - * giving up and continuing on. - */ -- if (atomic_read(&kgdb_cpu_doing_single_step) != -1 && -+ if (atomic_read_unchecked(&kgdb_cpu_doing_single_step) != -1 && - (kgdb_info[cpu].task && - kgdb_info[cpu].task->pid != kgdb_sstep_pid) && --sstep_tries) { - atomic_set(&kgdb_active, -1); -@@ -636,8 +636,8 @@ cpu_master_loop: - } - - kgdb_restore: -- if (atomic_read(&kgdb_cpu_doing_single_step) != -1) { -- int sstep_cpu = atomic_read(&kgdb_cpu_doing_single_step); -+ if (atomic_read_unchecked(&kgdb_cpu_doing_single_step) != -1) { -+ int sstep_cpu = atomic_read_unchecked(&kgdb_cpu_doing_single_step); - if (kgdb_info[sstep_cpu].task) - kgdb_sstep_pid = kgdb_info[sstep_cpu].task->pid; - else -@@ -834,18 +834,18 @@ static void kgdb_unregister_callbacks(vo - static void kgdb_tasklet_bpt(unsigned long ing) - { - kgdb_breakpoint(); -- atomic_set(&kgdb_break_tasklet_var, 0); -+ atomic_set_unchecked(&kgdb_break_tasklet_var, 0); - } - - static DECLARE_TASKLET(kgdb_tasklet_breakpoint, kgdb_tasklet_bpt, 0); - - void kgdb_schedule_breakpoint(void) - { -- if (atomic_read(&kgdb_break_tasklet_var) || -+ if (atomic_read_unchecked(&kgdb_break_tasklet_var) || - atomic_read(&kgdb_active) != -1 || - atomic_read(&kgdb_setting_breakpoint)) - return; -- atomic_inc(&kgdb_break_tasklet_var); -+ atomic_inc_unchecked(&kgdb_break_tasklet_var); - tasklet_schedule(&kgdb_tasklet_breakpoint); - } - EXPORT_SYMBOL_GPL(kgdb_schedule_breakpoint); -@@ -864,7 +864,7 @@ static void kgdb_initial_breakpoint(void - * - * Register it with the KGDB core. - */ --int kgdb_register_io_module(struct kgdb_io *new_dbg_io_ops) -+int kgdb_register_io_module(const struct kgdb_io *new_dbg_io_ops) - { - int err; - -@@ -909,7 +909,7 @@ EXPORT_SYMBOL_GPL(kgdb_register_io_modul - * - * Unregister it with the KGDB core. - */ --void kgdb_unregister_io_module(struct kgdb_io *old_dbg_io_ops) -+void kgdb_unregister_io_module(const struct kgdb_io *old_dbg_io_ops) - { - BUG_ON(kgdb_connected); - -diff -urNp linux-2.6.39.3/kernel/debug/kdb/kdb_main.c linux-2.6.39.3/kernel/debug/kdb/kdb_main.c ---- linux-2.6.39.3/kernel/debug/kdb/kdb_main.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/kernel/debug/kdb/kdb_main.c 2011-05-22 19:36:33.000000000 -0400 -@@ -1980,7 +1980,7 @@ static int kdb_lsmod(int argc, const cha - list_for_each_entry(mod, kdb_modules, list) { - - kdb_printf("%-20s%8u 0x%p ", mod->name, -- mod->core_size, (void *)mod); -+ mod->core_size_rx + mod->core_size_rw, (void *)mod); - #ifdef CONFIG_MODULE_UNLOAD - kdb_printf("%4d ", module_refcount(mod)); - #endif -@@ -1990,7 +1990,7 @@ static int kdb_lsmod(int argc, const cha - kdb_printf(" (Loading)"); - else - kdb_printf(" (Live)"); -- kdb_printf(" 0x%p", mod->module_core); -+ kdb_printf(" 0x%p 0x%p", mod->module_core_rx, mod->module_core_rw); - - #ifdef CONFIG_MODULE_UNLOAD - { -diff -urNp linux-2.6.39.3/kernel/exit.c linux-2.6.39.3/kernel/exit.c ---- linux-2.6.39.3/kernel/exit.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/kernel/exit.c 2011-05-22 20:02:30.000000000 -0400 -@@ -57,6 +57,10 @@ - #include <asm/pgtable.h> - #include <asm/mmu_context.h> - -+#ifdef CONFIG_GRKERNSEC -+extern rwlock_t grsec_exec_file_lock; -+#endif -+ - static void exit_mm(struct task_struct * tsk); - - static void __unhash_process(struct task_struct *p, bool group_dead) -@@ -169,6 +173,8 @@ void release_task(struct task_struct * p - struct task_struct *leader; - int zap_leader; - repeat: -+ gr_del_task_from_ip_table(p); -+ - tracehook_prepare_release_task(p); - /* don't need to get the RCU readlock here - the process is dead and - * can't be modifying its own credentials. But shut RCU-lockdep up */ -@@ -338,11 +344,22 @@ static void reparent_to_kthreadd(void) - { - write_lock_irq(&tasklist_lock); - -+#ifdef CONFIG_GRKERNSEC -+ write_lock(&grsec_exec_file_lock); -+ if (current->exec_file) { -+ fput(current->exec_file); -+ current->exec_file = NULL; -+ } -+ write_unlock(&grsec_exec_file_lock); -+#endif -+ - ptrace_unlink(current); - /* Reparent to init */ - current->real_parent = current->parent = kthreadd_task; - list_move_tail(¤t->sibling, ¤t->real_parent->children); - -+ gr_set_kernel_label(current); -+ - /* Set the exit signal to SIGCHLD so we signal init on exit */ - current->exit_signal = SIGCHLD; - -@@ -394,7 +411,7 @@ int allow_signal(int sig) - * know it'll be handled, so that they don't get converted to - * SIGKILL or just silently dropped. - */ -- current->sighand->action[(sig)-1].sa.sa_handler = (void __user *)2; -+ current->sighand->action[(sig)-1].sa.sa_handler = (__force void __user *)2; - recalc_sigpending(); - spin_unlock_irq(¤t->sighand->siglock); - return 0; -@@ -430,6 +447,17 @@ void daemonize(const char *name, ...) - vsnprintf(current->comm, sizeof(current->comm), name, args); - va_end(args); - -+#ifdef CONFIG_GRKERNSEC -+ write_lock(&grsec_exec_file_lock); -+ if (current->exec_file) { -+ fput(current->exec_file); -+ current->exec_file = NULL; -+ } -+ write_unlock(&grsec_exec_file_lock); -+#endif -+ -+ gr_set_kernel_label(current); -+ - /* - * If we were started as result of loading a module, close all of the - * user space pages. We don't need them, and if we didn't close them -@@ -905,15 +933,8 @@ NORET_TYPE void do_exit(long code) - struct task_struct *tsk = current; - int group_dead; - -- profile_task_exit(tsk); -- -- WARN_ON(atomic_read(&tsk->fs_excl)); -- WARN_ON(blk_needs_flush_plug(tsk)); -- - if (unlikely(in_interrupt())) - panic("Aiee, killing interrupt handler!"); -- if (unlikely(!tsk->pid)) -- panic("Attempted to kill the idle task!"); - - /* - * If do_exit is called because this processes oopsed, it's possible -@@ -924,6 +945,14 @@ NORET_TYPE void do_exit(long code) - */ - set_fs(USER_DS); - -+ profile_task_exit(tsk); -+ -+ WARN_ON(atomic_read(&tsk->fs_excl)); -+ WARN_ON(blk_needs_flush_plug(tsk)); -+ -+ if (unlikely(!tsk->pid)) -+ panic("Attempted to kill the idle task!"); -+ - tracehook_report_exit(&code); - - validate_creds_for_do_exit(tsk); -@@ -984,6 +1013,9 @@ NORET_TYPE void do_exit(long code) - tsk->exit_code = code; - taskstats_exit(tsk, group_dead); - -+ gr_acl_handle_psacct(tsk, code); -+ gr_acl_handle_exit(); -+ - exit_mm(tsk); - - if (group_dead) -diff -urNp linux-2.6.39.3/kernel/fork.c linux-2.6.39.3/kernel/fork.c ---- linux-2.6.39.3/kernel/fork.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/kernel/fork.c 2011-05-22 19:41:42.000000000 -0400 -@@ -287,7 +287,7 @@ static struct task_struct *dup_task_stru - *stackend = STACK_END_MAGIC; /* for overflow detection */ - - #ifdef CONFIG_CC_STACKPROTECTOR -- tsk->stack_canary = get_random_int(); -+ tsk->stack_canary = pax_get_random_long(); - #endif - - /* One for us, one for whoever does the "release_task()" (usually parent) */ -@@ -309,13 +309,78 @@ out: - } - - #ifdef CONFIG_MMU -+static struct vm_area_struct *dup_vma(struct mm_struct *mm, struct vm_area_struct *mpnt) -+{ -+ struct vm_area_struct *tmp; -+ unsigned long charge; -+ struct mempolicy *pol; -+ struct file *file; -+ -+ charge = 0; -+ if (mpnt->vm_flags & VM_ACCOUNT) { -+ unsigned int len = (mpnt->vm_end - mpnt->vm_start) >> PAGE_SHIFT; -+ if (security_vm_enough_memory(len)) -+ goto fail_nomem; -+ charge = len; -+ } -+ tmp = kmem_cache_alloc(vm_area_cachep, GFP_KERNEL); -+ if (!tmp) -+ goto fail_nomem; -+ *tmp = *mpnt; -+ tmp->vm_mm = mm; -+ INIT_LIST_HEAD(&tmp->anon_vma_chain); -+ pol = mpol_dup(vma_policy(mpnt)); -+ if (IS_ERR(pol)) -+ goto fail_nomem_policy; -+ vma_set_policy(tmp, pol); -+ if (anon_vma_fork(tmp, mpnt)) -+ goto fail_nomem_anon_vma_fork; -+ tmp->vm_flags &= ~VM_LOCKED; -+ tmp->vm_next = tmp->vm_prev = NULL; -+ tmp->vm_mirror = NULL; -+ file = tmp->vm_file; -+ if (file) { -+ struct inode *inode = file->f_path.dentry->d_inode; -+ struct address_space *mapping = file->f_mapping; -+ -+ get_file(file); -+ if (tmp->vm_flags & VM_DENYWRITE) -+ atomic_dec(&inode->i_writecount); -+ spin_lock(&mapping->i_mmap_lock); -+ if (tmp->vm_flags & VM_SHARED) -+ mapping->i_mmap_writable++; -+ tmp->vm_truncate_count = mpnt->vm_truncate_count; -+ flush_dcache_mmap_lock(mapping); -+ /* insert tmp into the share list, just after mpnt */ -+ vma_prio_tree_add(tmp, mpnt); -+ flush_dcache_mmap_unlock(mapping); -+ spin_unlock(&mapping->i_mmap_lock); -+ } -+ -+ /* -+ * Clear hugetlb-related page reserves for children. This only -+ * affects MAP_PRIVATE mappings. Faults generated by the child -+ * are not guaranteed to succeed, even if read-only -+ */ -+ if (is_vm_hugetlb_page(tmp)) -+ reset_vma_resv_huge_pages(tmp); -+ -+ return tmp; -+ -+fail_nomem_anon_vma_fork: -+ mpol_put(pol); -+fail_nomem_policy: -+ kmem_cache_free(vm_area_cachep, tmp); -+fail_nomem: -+ vm_unacct_memory(charge); -+ return NULL; -+} -+ - static int dup_mmap(struct mm_struct *mm, struct mm_struct *oldmm) - { - struct vm_area_struct *mpnt, *tmp, *prev, **pprev; - struct rb_node **rb_link, *rb_parent; - int retval; -- unsigned long charge; -- struct mempolicy *pol; - - down_write(&oldmm->mmap_sem); - flush_cache_dup_mm(oldmm); -@@ -327,8 +392,8 @@ static int dup_mmap(struct mm_struct *mm - mm->locked_vm = 0; - mm->mmap = NULL; - mm->mmap_cache = NULL; -- mm->free_area_cache = oldmm->mmap_base; -- mm->cached_hole_size = ~0UL; -+ mm->free_area_cache = oldmm->free_area_cache; -+ mm->cached_hole_size = oldmm->cached_hole_size; - mm->map_count = 0; - cpumask_clear(mm_cpumask(mm)); - mm->mm_rb = RB_ROOT; -@@ -344,8 +409,6 @@ static int dup_mmap(struct mm_struct *mm - - prev = NULL; - for (mpnt = oldmm->mmap; mpnt; mpnt = mpnt->vm_next) { -- struct file *file; -- - if (mpnt->vm_flags & VM_DONTCOPY) { - long pages = vma_pages(mpnt); - mm->total_vm -= pages; -@@ -353,56 +416,13 @@ static int dup_mmap(struct mm_struct *mm - -pages); - continue; - } -- charge = 0; -- if (mpnt->vm_flags & VM_ACCOUNT) { -- unsigned int len = (mpnt->vm_end - mpnt->vm_start) >> PAGE_SHIFT; -- if (security_vm_enough_memory(len)) -- goto fail_nomem; -- charge = len; -- } -- tmp = kmem_cache_alloc(vm_area_cachep, GFP_KERNEL); -- if (!tmp) -- goto fail_nomem; -- *tmp = *mpnt; -- INIT_LIST_HEAD(&tmp->anon_vma_chain); -- pol = mpol_dup(vma_policy(mpnt)); -- retval = PTR_ERR(pol); -- if (IS_ERR(pol)) -- goto fail_nomem_policy; -- vma_set_policy(tmp, pol); -- tmp->vm_mm = mm; -- if (anon_vma_fork(tmp, mpnt)) -- goto fail_nomem_anon_vma_fork; -- tmp->vm_flags &= ~VM_LOCKED; -- tmp->vm_next = tmp->vm_prev = NULL; -- file = tmp->vm_file; -- if (file) { -- struct inode *inode = file->f_path.dentry->d_inode; -- struct address_space *mapping = file->f_mapping; -- -- get_file(file); -- if (tmp->vm_flags & VM_DENYWRITE) -- atomic_dec(&inode->i_writecount); -- spin_lock(&mapping->i_mmap_lock); -- if (tmp->vm_flags & VM_SHARED) -- mapping->i_mmap_writable++; -- tmp->vm_truncate_count = mpnt->vm_truncate_count; -- flush_dcache_mmap_lock(mapping); -- /* insert tmp into the share list, just after mpnt */ -- vma_prio_tree_add(tmp, mpnt); -- flush_dcache_mmap_unlock(mapping); -- spin_unlock(&mapping->i_mmap_lock); -+ tmp = dup_vma(mm, mpnt); -+ if (!tmp) { -+ retval = -ENOMEM; -+ goto out; - } - - /* -- * Clear hugetlb-related page reserves for children. This only -- * affects MAP_PRIVATE mappings. Faults generated by the child -- * are not guaranteed to succeed, even if read-only -- */ -- if (is_vm_hugetlb_page(tmp)) -- reset_vma_resv_huge_pages(tmp); -- -- /* - * Link in the new vma and copy the page table entries. - */ - *pprev = tmp; -@@ -423,6 +443,31 @@ static int dup_mmap(struct mm_struct *mm - if (retval) - goto out; - } -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (oldmm->pax_flags & MF_PAX_SEGMEXEC) { -+ struct vm_area_struct *mpnt_m; -+ -+ for (mpnt = oldmm->mmap, mpnt_m = mm->mmap; mpnt; mpnt = mpnt->vm_next, mpnt_m = mpnt_m->vm_next) { -+ BUG_ON(!mpnt_m || mpnt_m->vm_mirror || mpnt->vm_mm != oldmm || mpnt_m->vm_mm != mm); -+ -+ if (!mpnt->vm_mirror) -+ continue; -+ -+ if (mpnt->vm_end <= SEGMEXEC_TASK_SIZE) { -+ BUG_ON(mpnt->vm_mirror->vm_mirror != mpnt); -+ mpnt->vm_mirror = mpnt_m; -+ } else { -+ BUG_ON(mpnt->vm_mirror->vm_mirror == mpnt || mpnt->vm_mirror->vm_mirror->vm_mm != mm); -+ mpnt_m->vm_mirror = mpnt->vm_mirror->vm_mirror; -+ mpnt_m->vm_mirror->vm_mirror = mpnt_m; -+ mpnt->vm_mirror->vm_mirror = mpnt; -+ } -+ } -+ BUG_ON(mpnt_m); -+ } -+#endif -+ - /* a new mm has just been created */ - arch_dup_mmap(oldmm, mm); - retval = 0; -@@ -431,14 +476,6 @@ out: - flush_tlb_mm(oldmm); - up_write(&oldmm->mmap_sem); - return retval; --fail_nomem_anon_vma_fork: -- mpol_put(pol); --fail_nomem_policy: -- kmem_cache_free(vm_area_cachep, tmp); --fail_nomem: -- retval = -ENOMEM; -- vm_unacct_memory(charge); -- goto out; - } - - static inline int mm_alloc_pgd(struct mm_struct * mm) -@@ -785,13 +822,14 @@ static int copy_fs(unsigned long clone_f - spin_unlock(&fs->lock); - return -EAGAIN; - } -- fs->users++; -+ atomic_inc(&fs->users); - spin_unlock(&fs->lock); - return 0; - } - tsk->fs = copy_fs_struct(fs); - if (!tsk->fs) - return -ENOMEM; -+ gr_set_chroot_entries(tsk, &tsk->fs->root); - return 0; - } - -@@ -1049,10 +1087,13 @@ static struct task_struct *copy_process( - DEBUG_LOCKS_WARN_ON(!p->softirqs_enabled); - #endif - retval = -EAGAIN; -+ -+ gr_learn_resource(p, RLIMIT_NPROC, atomic_read(&p->real_cred->user->processes), 0); -+ - if (atomic_read(&p->real_cred->user->processes) >= - task_rlimit(p, RLIMIT_NPROC)) { -- if (!capable(CAP_SYS_ADMIN) && !capable(CAP_SYS_RESOURCE) && -- p->real_cred->user != INIT_USER) -+ if (p->real_cred->user != INIT_USER && -+ !capable(CAP_SYS_ADMIN) && !capable(CAP_SYS_RESOURCE)) - goto bad_fork_free; - } - -@@ -1200,6 +1241,8 @@ static struct task_struct *copy_process( - goto bad_fork_free_pid; - } - -+ gr_copy_label(p); -+ - p->set_child_tid = (clone_flags & CLONE_CHILD_SETTID) ? child_tidptr : NULL; - /* - * Clear TID on mm_release()? -@@ -1360,6 +1403,8 @@ bad_fork_cleanup_count: - bad_fork_free: - free_task(p); - fork_out: -+ gr_log_forkfail(retval); -+ - return ERR_PTR(retval); - } - -@@ -1448,6 +1493,8 @@ long do_fork(unsigned long clone_flags, - if (clone_flags & CLONE_PARENT_SETTID) - put_user(nr, parent_tidptr); - -+ gr_handle_brute_check(); -+ - if (clone_flags & CLONE_VFORK) { - p->vfork_done = &vfork; - init_completion(&vfork); -@@ -1549,7 +1596,7 @@ static int unshare_fs(unsigned long unsh - return 0; - - /* don't need lock here; in the worst case we'll do useless copy */ -- if (fs->users == 1) -+ if (atomic_read(&fs->users) == 1) - return 0; - - *new_fsp = copy_fs_struct(fs); -@@ -1636,7 +1683,8 @@ SYSCALL_DEFINE1(unshare, unsigned long, - fs = current->fs; - spin_lock(&fs->lock); - current->fs = new_fs; -- if (--fs->users) -+ gr_set_chroot_entries(current, ¤t->fs->root); -+ if (atomic_dec_return(&fs->users)) - new_fs = NULL; - else - new_fs = fs; -diff -urNp linux-2.6.39.3/kernel/futex.c linux-2.6.39.3/kernel/futex.c ---- linux-2.6.39.3/kernel/futex.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/kernel/futex.c 2011-05-22 22:41:57.000000000 -0400 -@@ -54,6 +54,7 @@ - #include <linux/mount.h> - #include <linux/pagemap.h> - #include <linux/syscalls.h> -+#include <linux/ptrace.h> - #include <linux/signal.h> - #include <linux/module.h> - #include <linux/magic.h> -@@ -236,6 +237,11 @@ get_futex_key(u32 __user *uaddr, int fsh - struct page *page, *page_head; - int err; - -+#ifdef CONFIG_PAX_SEGMEXEC -+ if ((mm->pax_flags & MF_PAX_SEGMEXEC) && address >= SEGMEXEC_TASK_SIZE) -+ return -EFAULT; -+#endif -+ - /* - * The futex address must be "naturally" aligned. - */ -@@ -1833,6 +1839,8 @@ static int futex_wait(u32 __user *uaddr, - struct futex_q q = futex_q_init; - int ret; - -+ pax_track_stack(); -+ - if (!bitset) - return -EINVAL; - q.bitset = bitset; -@@ -2229,6 +2237,8 @@ static int futex_wait_requeue_pi(u32 __u - struct futex_q q = futex_q_init; - int res, ret; - -+ pax_track_stack(); -+ - if (!bitset) - return -EINVAL; - -@@ -2401,7 +2411,9 @@ SYSCALL_DEFINE3(get_robust_list, int, pi - { - struct robust_list_head __user *head; - unsigned long ret; -+#ifndef CONFIG_GRKERNSEC_PROC_MEMMAP - const struct cred *cred = current_cred(), *pcred; -+#endif - - if (!futex_cmpxchg_enabled) - return -ENOSYS; -@@ -2417,6 +2429,10 @@ SYSCALL_DEFINE3(get_robust_list, int, pi - if (!p) - goto err_unlock; - ret = -EPERM; -+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP -+ if (!ptrace_may_access(p, PTRACE_MODE_READ)) -+ goto err_unlock; -+#else - pcred = __task_cred(p); - /* If victim is in different user_ns, then uids are not - comparable, so we must have CAP_SYS_PTRACE */ -@@ -2431,6 +2447,7 @@ SYSCALL_DEFINE3(get_robust_list, int, pi - !ns_capable(pcred->user->user_ns, CAP_SYS_PTRACE)) - goto err_unlock; - ok: -+#endif - head = p->robust_list; - rcu_read_unlock(); - } -@@ -2682,6 +2699,7 @@ static int __init futex_init(void) - { - u32 curval; - int i; -+ mm_segment_t oldfs; - - /* - * This will fail and we want it. Some arch implementations do -@@ -2693,8 +2711,11 @@ static int __init futex_init(void) - * implementation, the non-functional ones will return - * -ENOSYS. - */ -+ oldfs = get_fs(); -+ set_fs(USER_DS); - if (cmpxchg_futex_value_locked(&curval, NULL, 0, 0) == -EFAULT) - futex_cmpxchg_enabled = 1; -+ set_fs(oldfs); - - for (i = 0; i < ARRAY_SIZE(futex_queues); i++) { - plist_head_init(&futex_queues[i].chain, &futex_queues[i].lock); -diff -urNp linux-2.6.39.3/kernel/futex_compat.c linux-2.6.39.3/kernel/futex_compat.c ---- linux-2.6.39.3/kernel/futex_compat.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/kernel/futex_compat.c 2011-05-22 22:42:09.000000000 -0400 -@@ -10,6 +10,7 @@ - #include <linux/compat.h> - #include <linux/nsproxy.h> - #include <linux/futex.h> -+#include <linux/ptrace.h> - - #include <asm/uaccess.h> - -@@ -136,7 +137,10 @@ compat_sys_get_robust_list(int pid, comp - { - struct compat_robust_list_head __user *head; - unsigned long ret; -- const struct cred *cred = current_cred(), *pcred; -+#ifndef CONFIG_GRKERNSEC_PROC_MEMMAP -+ const struct cred *cred = current_cred(); -+ const struct cred *pcred; -+#endif - - if (!futex_cmpxchg_enabled) - return -ENOSYS; -@@ -152,6 +156,10 @@ compat_sys_get_robust_list(int pid, comp - if (!p) - goto err_unlock; - ret = -EPERM; -+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP -+ if (!ptrace_may_access(p, PTRACE_MODE_READ)) -+ goto err_unlock; -+#else - pcred = __task_cred(p); - /* If victim is in different user_ns, then uids are not - comparable, so we must have CAP_SYS_PTRACE */ -@@ -166,6 +174,7 @@ compat_sys_get_robust_list(int pid, comp - !ns_capable(pcred->user->user_ns, CAP_SYS_PTRACE)) - goto err_unlock; - ok: -+#endif - head = p->compat_robust_list; - rcu_read_unlock(); - } -diff -urNp linux-2.6.39.3/kernel/gcov/base.c linux-2.6.39.3/kernel/gcov/base.c ---- linux-2.6.39.3/kernel/gcov/base.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/kernel/gcov/base.c 2011-05-22 19:36:33.000000000 -0400 -@@ -102,11 +102,6 @@ void gcov_enable_events(void) - } - - #ifdef CONFIG_MODULES --static inline int within(void *addr, void *start, unsigned long size) --{ -- return ((addr >= start) && (addr < start + size)); --} -- - /* Update list and generate events when modules are unloaded. */ - static int gcov_module_notifier(struct notifier_block *nb, unsigned long event, - void *data) -@@ -121,7 +116,7 @@ static int gcov_module_notifier(struct n - prev = NULL; - /* Remove entries located in module from linked list. */ - for (info = gcov_info_head; info; info = info->next) { -- if (within(info, mod->module_core, mod->core_size)) { -+ if (within_module_core_rw((unsigned long)info, mod)) { - if (prev) - prev->next = info->next; - else -diff -urNp linux-2.6.39.3/kernel/hrtimer.c linux-2.6.39.3/kernel/hrtimer.c ---- linux-2.6.39.3/kernel/hrtimer.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/kernel/hrtimer.c 2011-05-22 19:36:33.000000000 -0400 -@@ -1383,7 +1383,7 @@ void hrtimer_peek_ahead_timers(void) - local_irq_restore(flags); - } - --static void run_hrtimer_softirq(struct softirq_action *h) -+static void run_hrtimer_softirq(void) - { - hrtimer_peek_ahead_timers(); - } -diff -urNp linux-2.6.39.3/kernel/irq/manage.c linux-2.6.39.3/kernel/irq/manage.c ---- linux-2.6.39.3/kernel/irq/manage.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/kernel/irq/manage.c 2011-06-13 17:09:06.000000000 -0400 -@@ -491,6 +491,9 @@ int irq_set_irq_wake(unsigned int irq, u - struct irq_desc *desc = irq_get_desc_buslock(irq, &flags); - int ret = 0; - -+ if (!desc) -+ return -EINVAL; -+ - /* wakeup-capable irqs can be shared between drivers that - * don't need to have the same sleep mode behaviors. - */ -diff -urNp linux-2.6.39.3/kernel/jump_label.c linux-2.6.39.3/kernel/jump_label.c ---- linux-2.6.39.3/kernel/jump_label.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/kernel/jump_label.c 2011-05-22 19:36:33.000000000 -0400 -@@ -49,6 +49,17 @@ void jump_label_unlock(void) - mutex_unlock(&jump_label_mutex); - } - -+static void jump_label_swap(void *a, void *b, int size) -+{ -+ struct jump_entry t; -+ -+ t = *(struct jump_entry *)a; -+ pax_open_kernel(); -+ *(struct jump_entry *)a = *(struct jump_entry *)b; -+ *(struct jump_entry *)b = t; -+ pax_close_kernel(); -+} -+ - static int jump_label_cmp(const void *a, const void *b) - { - const struct jump_entry *jea = a; -@@ -70,7 +81,7 @@ sort_jump_label_entries(struct jump_entr - - size = (((unsigned long)stop - (unsigned long)start) - / sizeof(struct jump_entry)); -- sort(start, size, sizeof(struct jump_entry), jump_label_cmp, NULL); -+ sort(start, size, sizeof(struct jump_entry), jump_label_cmp, jump_label_swap); - } - - static struct jump_label_entry *get_jump_label_entry(jump_label_t key) -@@ -407,8 +418,11 @@ static void remove_jump_label_module_ini - count = e_module->nr_entries; - iter = e_module->table; - while (count--) { -- if (within_module_init(iter->code, mod)) -+ if (within_module_init(iter->code, mod)) { -+ pax_open_kernel(); - iter->key = 0; -+ pax_close_kernel(); -+ } - iter++; - } - } -diff -urNp linux-2.6.39.3/kernel/kallsyms.c linux-2.6.39.3/kernel/kallsyms.c ---- linux-2.6.39.3/kernel/kallsyms.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/kernel/kallsyms.c 2011-05-22 19:41:42.000000000 -0400 -@@ -11,6 +11,9 @@ - * Changed the compression method from stem compression to "table lookup" - * compression (see scripts/kallsyms.c for a more complete description) - */ -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+#define __INCLUDED_BY_HIDESYM 1 -+#endif - #include <linux/kallsyms.h> - #include <linux/module.h> - #include <linux/init.h> -@@ -53,12 +56,33 @@ extern const unsigned long kallsyms_mark - - static inline int is_kernel_inittext(unsigned long addr) - { -+ if (system_state != SYSTEM_BOOTING) -+ return 0; -+ - if (addr >= (unsigned long)_sinittext - && addr <= (unsigned long)_einittext) - return 1; - return 0; - } - -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC) -+#ifdef CONFIG_MODULES -+static inline int is_module_text(unsigned long addr) -+{ -+ if ((unsigned long)MODULES_EXEC_VADDR <= addr && addr <= (unsigned long)MODULES_EXEC_END) -+ return 1; -+ -+ addr = ktla_ktva(addr); -+ return (unsigned long)MODULES_EXEC_VADDR <= addr && addr <= (unsigned long)MODULES_EXEC_END; -+} -+#else -+static inline int is_module_text(unsigned long addr) -+{ -+ return 0; -+} -+#endif -+#endif -+ - static inline int is_kernel_text(unsigned long addr) - { - if ((addr >= (unsigned long)_stext && addr <= (unsigned long)_etext) || -@@ -69,13 +93,28 @@ static inline int is_kernel_text(unsigne - - static inline int is_kernel(unsigned long addr) - { -+ -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC) -+ if (is_kernel_text(addr) || is_kernel_inittext(addr)) -+ return 1; -+ -+ if (ktla_ktva((unsigned long)_text) <= addr && addr < (unsigned long)_end) -+#else - if (addr >= (unsigned long)_stext && addr <= (unsigned long)_end) -+#endif -+ - return 1; - return in_gate_area_no_mm(addr); - } - - static int is_ksym_addr(unsigned long addr) - { -+ -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC) -+ if (is_module_text(addr)) -+ return 0; -+#endif -+ - if (all_var) - return is_kernel(addr); - -@@ -454,7 +493,6 @@ static unsigned long get_ksymbol_core(st - - static void reset_iter(struct kallsym_iter *iter, loff_t new_pos) - { -- iter->name[0] = '\0'; - iter->nameoff = get_symbol_offset(new_pos); - iter->pos = new_pos; - } -@@ -502,6 +540,11 @@ static int s_show(struct seq_file *m, vo - { - struct kallsym_iter *iter = m->private; - -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+ if (current_uid()) -+ return 0; -+#endif -+ - /* Some debugging symbols have no name. Ignore them. */ - if (!iter->name[0]) - return 0; -@@ -540,7 +583,7 @@ static int kallsyms_open(struct inode *i - struct kallsym_iter *iter; - int ret; - -- iter = kmalloc(sizeof(*iter), GFP_KERNEL); -+ iter = kzalloc(sizeof(*iter), GFP_KERNEL); - if (!iter) - return -ENOMEM; - reset_iter(iter, 0); -diff -urNp linux-2.6.39.3/kernel/kmod.c linux-2.6.39.3/kernel/kmod.c ---- linux-2.6.39.3/kernel/kmod.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/kernel/kmod.c 2011-05-22 19:41:42.000000000 -0400 -@@ -65,13 +65,12 @@ char modprobe_path[KMOD_PATH_LEN] = "/sb - * If module auto-loading support is disabled then this function - * becomes a no-operation. - */ --int __request_module(bool wait, const char *fmt, ...) -+static int ____request_module(bool wait, char *module_param, const char *fmt, va_list ap) - { -- va_list args; - char module_name[MODULE_NAME_LEN]; - unsigned int max_modprobes; - int ret; -- char *argv[] = { modprobe_path, "-q", "--", module_name, NULL }; -+ char *argv[] = { modprobe_path, "-q", "--", module_name, module_param, NULL }; - static char *envp[] = { "HOME=/", - "TERM=linux", - "PATH=/sbin:/usr/sbin:/bin:/usr/bin", -@@ -80,9 +79,7 @@ int __request_module(bool wait, const ch - #define MAX_KMOD_CONCURRENT 50 /* Completely arbitrary value - KAO */ - static int kmod_loop_msg; - -- va_start(args, fmt); -- ret = vsnprintf(module_name, MODULE_NAME_LEN, fmt, args); -- va_end(args); -+ ret = vsnprintf(module_name, MODULE_NAME_LEN, fmt, ap); - if (ret >= MODULE_NAME_LEN) - return -ENAMETOOLONG; - -@@ -90,6 +87,20 @@ int __request_module(bool wait, const ch - if (ret) - return ret; - -+#ifdef CONFIG_GRKERNSEC_MODHARDEN -+ if (!current_uid()) { -+ /* hack to workaround consolekit/udisks stupidity */ -+ read_lock(&tasklist_lock); -+ if (!strcmp(current->comm, "mount") && -+ current->real_parent && !strncmp(current->real_parent->comm, "udisk", 5)) { -+ read_unlock(&tasklist_lock); -+ printk(KERN_ALERT "grsec: denied attempt to auto-load fs module %.64s by udisks\n", module_name); -+ return -EPERM; -+ } -+ read_unlock(&tasklist_lock); -+ } -+#endif -+ - /* If modprobe needs a service that is in a module, we get a recursive - * loop. Limit the number of running kmod threads to max_threads/2 or - * MAX_KMOD_CONCURRENT, whichever is the smaller. A cleaner method -@@ -123,6 +134,47 @@ int __request_module(bool wait, const ch - atomic_dec(&kmod_concurrent); - return ret; - } -+ -+int ___request_module(bool wait, char *module_param, const char *fmt, ...) -+{ -+ va_list args; -+ int ret; -+ -+ va_start(args, fmt); -+ ret = ____request_module(wait, module_param, fmt, args); -+ va_end(args); -+ -+ return ret; -+} -+ -+int __request_module(bool wait, const char *fmt, ...) -+{ -+ va_list args; -+ int ret; -+ -+#ifdef CONFIG_GRKERNSEC_MODHARDEN -+ if (current_uid()) { -+ char module_param[MODULE_NAME_LEN]; -+ -+ memset(module_param, 0, sizeof(module_param)); -+ -+ snprintf(module_param, sizeof(module_param) - 1, "grsec_modharden_normal%u_", current_uid()); -+ -+ va_start(args, fmt); -+ ret = ____request_module(wait, module_param, fmt, args); -+ va_end(args); -+ -+ return ret; -+ } -+#endif -+ -+ va_start(args, fmt); -+ ret = ____request_module(wait, NULL, fmt, args); -+ va_end(args); -+ -+ return ret; -+} -+ - EXPORT_SYMBOL(__request_module); - #endif /* CONFIG_MODULES */ - -diff -urNp linux-2.6.39.3/kernel/kprobes.c linux-2.6.39.3/kernel/kprobes.c ---- linux-2.6.39.3/kernel/kprobes.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/kernel/kprobes.c 2011-05-22 19:36:33.000000000 -0400 -@@ -185,7 +185,7 @@ static kprobe_opcode_t __kprobes *__get_ - * kernel image and loaded module images reside. This is required - * so x86_64 can correctly handle the %rip-relative fixups. - */ -- kip->insns = module_alloc(PAGE_SIZE); -+ kip->insns = module_alloc_exec(PAGE_SIZE); - if (!kip->insns) { - kfree(kip); - return NULL; -@@ -225,7 +225,7 @@ static int __kprobes collect_one_slot(st - */ - if (!list_is_singular(&kip->list)) { - list_del(&kip->list); -- module_free(NULL, kip->insns); -+ module_free_exec(NULL, kip->insns); - kfree(kip); - } - return 1; -@@ -1936,7 +1936,7 @@ static int __init init_kprobes(void) - { - int i, err = 0; - unsigned long offset = 0, size = 0; -- char *modname, namebuf[128]; -+ char *modname, namebuf[KSYM_NAME_LEN]; - const char *symbol_name; - void *addr; - struct kprobe_blackpoint *kb; -@@ -2062,7 +2062,7 @@ static int __kprobes show_kprobe_addr(st - const char *sym = NULL; - unsigned int i = *(loff_t *) v; - unsigned long offset = 0; -- char *modname, namebuf[128]; -+ char *modname, namebuf[KSYM_NAME_LEN]; - - head = &kprobe_table[i]; - preempt_disable(); -diff -urNp linux-2.6.39.3/kernel/lockdep.c linux-2.6.39.3/kernel/lockdep.c ---- linux-2.6.39.3/kernel/lockdep.c 2011-06-25 12:55:23.000000000 -0400 -+++ linux-2.6.39.3/kernel/lockdep.c 2011-06-25 13:00:28.000000000 -0400 -@@ -571,6 +571,10 @@ static int static_obj(void *obj) - end = (unsigned long) &_end, - addr = (unsigned long) obj; - -+#ifdef CONFIG_PAX_KERNEXEC -+ start = ktla_ktva(start); -+#endif -+ - /* - * static variable? - */ -@@ -706,6 +710,7 @@ register_lock_class(struct lockdep_map * - if (!static_obj(lock->key)) { - debug_locks_off(); - printk("INFO: trying to register non-static key.\n"); -+ printk("lock:%pS key:%pS.\n", lock, lock->key); - printk("the code is fine but needs lockdep annotation.\n"); - printk("turning off the locking correctness validator.\n"); - dump_stack(); -@@ -2752,7 +2757,7 @@ static int __lock_acquire(struct lockdep - if (!class) - return 0; - } -- atomic_inc((atomic_t *)&class->ops); -+ atomic_inc_unchecked((atomic_unchecked_t *)&class->ops); - if (very_verbose(class)) { - printk("\nacquire class [%p] %s", class->key, class->name); - if (class->name_version > 1) -diff -urNp linux-2.6.39.3/kernel/lockdep_proc.c linux-2.6.39.3/kernel/lockdep_proc.c ---- linux-2.6.39.3/kernel/lockdep_proc.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/kernel/lockdep_proc.c 2011-05-22 19:36:33.000000000 -0400 -@@ -39,7 +39,7 @@ static void l_stop(struct seq_file *m, v - - static void print_name(struct seq_file *m, struct lock_class *class) - { -- char str[128]; -+ char str[KSYM_NAME_LEN]; - const char *name = class->name; - - if (!name) { -diff -urNp linux-2.6.39.3/kernel/module.c linux-2.6.39.3/kernel/module.c ---- linux-2.6.39.3/kernel/module.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/kernel/module.c 2011-05-22 19:41:42.000000000 -0400 -@@ -57,6 +57,7 @@ - #include <linux/kmemleak.h> - #include <linux/jump_label.h> - #include <linux/pfn.h> -+#include <linux/grsecurity.h> - - #define CREATE_TRACE_POINTS - #include <trace/events/module.h> -@@ -118,7 +119,8 @@ static BLOCKING_NOTIFIER_HEAD(module_not - - /* Bounds of module allocation, for speeding __module_address. - * Protected by module_mutex. */ --static unsigned long module_addr_min = -1UL, module_addr_max = 0; -+static unsigned long module_addr_min_rw = -1UL, module_addr_max_rw = 0; -+static unsigned long module_addr_min_rx = -1UL, module_addr_max_rx = 0; - - int register_module_notifier(struct notifier_block * nb) - { -@@ -282,7 +284,7 @@ bool each_symbol(bool (*fn)(const struct - return true; - - list_for_each_entry_rcu(mod, &modules, list) { -- struct symsearch arr[] = { -+ struct symsearch modarr[] = { - { mod->syms, mod->syms + mod->num_syms, mod->crcs, - NOT_GPL_ONLY, false }, - { mod->gpl_syms, mod->gpl_syms + mod->num_gpl_syms, -@@ -304,7 +306,7 @@ bool each_symbol(bool (*fn)(const struct - #endif - }; - -- if (each_symbol_in_section(arr, ARRAY_SIZE(arr), mod, fn, data)) -+ if (each_symbol_in_section(modarr, ARRAY_SIZE(modarr), mod, fn, data)) - return true; - } - return false; -@@ -415,7 +417,7 @@ static inline void __percpu *mod_percpu( - static int percpu_modalloc(struct module *mod, - unsigned long size, unsigned long align) - { -- if (align > PAGE_SIZE) { -+ if (align-1 >= PAGE_SIZE) { - printk(KERN_WARNING "%s: per-cpu alignment %li > %li\n", - mod->name, align, PAGE_SIZE); - align = PAGE_SIZE; -@@ -1143,7 +1145,7 @@ resolve_symbol_wait(struct module *mod, - */ - #ifdef CONFIG_SYSFS - --#ifdef CONFIG_KALLSYMS -+#if defined(CONFIG_KALLSYMS) && !defined(CONFIG_GRKERNSEC_HIDESYM) - static inline bool sect_empty(const Elf_Shdr *sect) - { - return !(sect->sh_flags & SHF_ALLOC) || sect->sh_size == 0; -@@ -1612,17 +1614,17 @@ void unset_section_ro_nx(struct module * - { - unsigned long total_pages; - -- if (mod->module_core == module_region) { -+ if (mod->module_core_rx == module_region) { - /* Set core as NX+RW */ -- total_pages = MOD_NUMBER_OF_PAGES(mod->module_core, mod->core_size); -- set_memory_nx((unsigned long)mod->module_core, total_pages); -- set_memory_rw((unsigned long)mod->module_core, total_pages); -+ total_pages = MOD_NUMBER_OF_PAGES(mod->module_core_rx, mod->core_size_rx); -+ set_memory_nx((unsigned long)mod->module_core_rx, total_pages); -+ set_memory_rw((unsigned long)mod->module_core_rx, total_pages); - -- } else if (mod->module_init == module_region) { -+ } else if (mod->module_init_rx == module_region) { - /* Set init as NX+RW */ -- total_pages = MOD_NUMBER_OF_PAGES(mod->module_init, mod->init_size); -- set_memory_nx((unsigned long)mod->module_init, total_pages); -- set_memory_rw((unsigned long)mod->module_init, total_pages); -+ total_pages = MOD_NUMBER_OF_PAGES(mod->module_init_rx, mod->init_size_rx); -+ set_memory_nx((unsigned long)mod->module_init_rx, total_pages); -+ set_memory_rw((unsigned long)mod->module_init_rx, total_pages); - } - } - -@@ -1633,14 +1635,14 @@ void set_all_modules_text_rw() - - mutex_lock(&module_mutex); - list_for_each_entry_rcu(mod, &modules, list) { -- if ((mod->module_core) && (mod->core_text_size)) { -- set_page_attributes(mod->module_core, -- mod->module_core + mod->core_text_size, -+ if ((mod->module_core_rx) && (mod->core_size_rx)) { -+ set_page_attributes(mod->module_core_rx, -+ mod->module_core_rx + mod->core_size_rx, - set_memory_rw); - } -- if ((mod->module_init) && (mod->init_text_size)) { -- set_page_attributes(mod->module_init, -- mod->module_init + mod->init_text_size, -+ if ((mod->module_init_rx) && (mod->init_size_rx)) { -+ set_page_attributes(mod->module_init_rx, -+ mod->module_init_rx + mod->init_size_rx, - set_memory_rw); - } - } -@@ -1654,14 +1656,14 @@ void set_all_modules_text_ro() - - mutex_lock(&module_mutex); - list_for_each_entry_rcu(mod, &modules, list) { -- if ((mod->module_core) && (mod->core_text_size)) { -- set_page_attributes(mod->module_core, -- mod->module_core + mod->core_text_size, -+ if ((mod->module_core_rx) && (mod->core_size_rx)) { -+ set_page_attributes(mod->module_core_rx, -+ mod->module_core_rx + mod->core_size_rx, - set_memory_ro); - } -- if ((mod->module_init) && (mod->init_text_size)) { -- set_page_attributes(mod->module_init, -- mod->module_init + mod->init_text_size, -+ if ((mod->module_init_rx) && (mod->init_size_rx)) { -+ set_page_attributes(mod->module_init_rx, -+ mod->module_init_rx + mod->init_size_rx, - set_memory_ro); - } - } -@@ -1696,17 +1698,20 @@ static void free_module(struct module *m - destroy_params(mod->kp, mod->num_kp); - - /* This may be NULL, but that's OK */ -- unset_section_ro_nx(mod, mod->module_init); -- module_free(mod, mod->module_init); -+ unset_section_ro_nx(mod, mod->module_init_rx); -+ module_free(mod, mod->module_init_rw); -+ module_free_exec(mod, mod->module_init_rx); - kfree(mod->args); - percpu_modfree(mod); - - /* Free lock-classes: */ -- lockdep_free_key_range(mod->module_core, mod->core_size); -+ lockdep_free_key_range(mod->module_core_rx, mod->core_size_rx); -+ lockdep_free_key_range(mod->module_core_rw, mod->core_size_rw); - - /* Finally, free the core (containing the module structure) */ -- unset_section_ro_nx(mod, mod->module_core); -- module_free(mod, mod->module_core); -+ unset_section_ro_nx(mod, mod->module_core_rx); -+ module_free_exec(mod, mod->module_core_rx); -+ module_free(mod, mod->module_core_rw); - - #ifdef CONFIG_MPU - update_protections(current->mm); -@@ -1775,10 +1780,31 @@ static int simplify_symbols(struct modul - unsigned int i; - int ret = 0; - const struct kernel_symbol *ksym; -+#ifdef CONFIG_GRKERNSEC_MODHARDEN -+ int is_fs_load = 0; -+ int register_filesystem_found = 0; -+ char *p; -+ -+ p = strstr(mod->args, "grsec_modharden_fs"); -+ if (p) { -+ char *endptr = p + strlen("grsec_modharden_fs"); -+ /* copy \0 as well */ -+ memmove(p, endptr, strlen(mod->args) - (unsigned int)(endptr - mod->args) + 1); -+ is_fs_load = 1; -+ } -+#endif - - for (i = 1; i < symsec->sh_size / sizeof(Elf_Sym); i++) { - const char *name = info->strtab + sym[i].st_name; - -+#ifdef CONFIG_GRKERNSEC_MODHARDEN -+ /* it's a real shame this will never get ripped and copied -+ upstream! ;( -+ */ -+ if (is_fs_load && !strcmp(name, "register_filesystem")) -+ register_filesystem_found = 1; -+#endif -+ - switch (sym[i].st_shndx) { - case SHN_COMMON: - /* We compiled with -fno-common. These are not -@@ -1799,7 +1825,9 @@ static int simplify_symbols(struct modul - ksym = resolve_symbol_wait(mod, info, name); - /* Ok if resolved. */ - if (ksym && !IS_ERR(ksym)) { -+ pax_open_kernel(); - sym[i].st_value = ksym->value; -+ pax_close_kernel(); - break; - } - -@@ -1818,11 +1846,20 @@ static int simplify_symbols(struct modul - secbase = (unsigned long)mod_percpu(mod); - else - secbase = info->sechdrs[sym[i].st_shndx].sh_addr; -+ pax_open_kernel(); - sym[i].st_value += secbase; -+ pax_close_kernel(); - break; - } - } - -+#ifdef CONFIG_GRKERNSEC_MODHARDEN -+ if (is_fs_load && !register_filesystem_found) { -+ printk(KERN_ALERT "grsec: Denied attempt to load non-fs module %.64s through mount\n", mod->name); -+ ret = -EPERM; -+ } -+#endif -+ - return ret; - } - -@@ -1906,22 +1943,12 @@ static void layout_sections(struct modul - || s->sh_entsize != ~0UL - || strstarts(sname, ".init")) - continue; -- s->sh_entsize = get_offset(mod, &mod->core_size, s, i); -+ if ((s->sh_flags & SHF_WRITE) || !(s->sh_flags & SHF_ALLOC)) -+ s->sh_entsize = get_offset(mod, &mod->core_size_rw, s, i); -+ else -+ s->sh_entsize = get_offset(mod, &mod->core_size_rx, s, i); - DEBUGP("\t%s\n", name); - } -- switch (m) { -- case 0: /* executable */ -- mod->core_size = debug_align(mod->core_size); -- mod->core_text_size = mod->core_size; -- break; -- case 1: /* RO: text and ro-data */ -- mod->core_size = debug_align(mod->core_size); -- mod->core_ro_size = mod->core_size; -- break; -- case 3: /* whole core */ -- mod->core_size = debug_align(mod->core_size); -- break; -- } - } - - DEBUGP("Init section allocation order:\n"); -@@ -1935,23 +1962,13 @@ static void layout_sections(struct modul - || s->sh_entsize != ~0UL - || !strstarts(sname, ".init")) - continue; -- s->sh_entsize = (get_offset(mod, &mod->init_size, s, i) -- | INIT_OFFSET_MASK); -+ if ((s->sh_flags & SHF_WRITE) || !(s->sh_flags & SHF_ALLOC)) -+ s->sh_entsize = get_offset(mod, &mod->init_size_rw, s, i); -+ else -+ s->sh_entsize = get_offset(mod, &mod->init_size_rx, s, i); -+ s->sh_entsize |= INIT_OFFSET_MASK; - DEBUGP("\t%s\n", sname); - } -- switch (m) { -- case 0: /* executable */ -- mod->init_size = debug_align(mod->init_size); -- mod->init_text_size = mod->init_size; -- break; -- case 1: /* RO: text and ro-data */ -- mod->init_size = debug_align(mod->init_size); -- mod->init_ro_size = mod->init_size; -- break; -- case 3: /* whole init */ -- mod->init_size = debug_align(mod->init_size); -- break; -- } - } - } - -@@ -2119,7 +2136,7 @@ static void layout_symtab(struct module - - /* Put symbol section at end of init part of module. */ - symsect->sh_flags |= SHF_ALLOC; -- symsect->sh_entsize = get_offset(mod, &mod->init_size, symsect, -+ symsect->sh_entsize = get_offset(mod, &mod->init_size_rx, symsect, - info->index.sym) | INIT_OFFSET_MASK; - DEBUGP("\t%s\n", info->secstrings + symsect->sh_name); - -@@ -2136,19 +2153,19 @@ static void layout_symtab(struct module - } - - /* Append room for core symbols at end of core part. */ -- info->symoffs = ALIGN(mod->core_size, symsect->sh_addralign ?: 1); -- mod->core_size = info->symoffs + ndst * sizeof(Elf_Sym); -+ info->symoffs = ALIGN(mod->core_size_rx, symsect->sh_addralign ?: 1); -+ mod->core_size_rx = info->symoffs + ndst * sizeof(Elf_Sym); - - /* Put string table section at end of init part of module. */ - strsect->sh_flags |= SHF_ALLOC; -- strsect->sh_entsize = get_offset(mod, &mod->init_size, strsect, -+ strsect->sh_entsize = get_offset(mod, &mod->init_size_rx, strsect, - info->index.str) | INIT_OFFSET_MASK; - DEBUGP("\t%s\n", info->secstrings + strsect->sh_name); - - /* Append room for core symbols' strings at end of core part. */ -- info->stroffs = mod->core_size; -+ info->stroffs = mod->core_size_rx; - __set_bit(0, info->strmap); -- mod->core_size += bitmap_weight(info->strmap, strsect->sh_size); -+ mod->core_size_rx += bitmap_weight(info->strmap, strsect->sh_size); - } - - static void add_kallsyms(struct module *mod, const struct load_info *info) -@@ -2164,11 +2181,13 @@ static void add_kallsyms(struct module * - /* Make sure we get permanent strtab: don't use info->strtab. */ - mod->strtab = (void *)info->sechdrs[info->index.str].sh_addr; - -+ pax_open_kernel(); -+ - /* Set types up while we still have access to sections. */ - for (i = 0; i < mod->num_symtab; i++) - mod->symtab[i].st_info = elf_type(&mod->symtab[i], info); - -- mod->core_symtab = dst = mod->module_core + info->symoffs; -+ mod->core_symtab = dst = mod->module_core_rx + info->symoffs; - src = mod->symtab; - *dst = *src; - for (ndst = i = 1; i < mod->num_symtab; ++i, ++src) { -@@ -2181,10 +2200,12 @@ static void add_kallsyms(struct module * - } - mod->core_num_syms = ndst; - -- mod->core_strtab = s = mod->module_core + info->stroffs; -+ mod->core_strtab = s = mod->module_core_rx + info->stroffs; - for (*s = 0, i = 1; i < info->sechdrs[info->index.str].sh_size; ++i) - if (test_bit(i, info->strmap)) - *++s = mod->strtab[i]; -+ -+ pax_close_kernel(); - } - #else - static inline void layout_symtab(struct module *mod, struct load_info *info) -@@ -2213,17 +2234,33 @@ static void dynamic_debug_remove(struct - ddebug_remove_module(debug->modname); - } - --static void *module_alloc_update_bounds(unsigned long size) -+static void *module_alloc_update_bounds_rw(unsigned long size) - { - void *ret = module_alloc(size); - - if (ret) { - mutex_lock(&module_mutex); - /* Update module bounds. */ -- if ((unsigned long)ret < module_addr_min) -- module_addr_min = (unsigned long)ret; -- if ((unsigned long)ret + size > module_addr_max) -- module_addr_max = (unsigned long)ret + size; -+ if ((unsigned long)ret < module_addr_min_rw) -+ module_addr_min_rw = (unsigned long)ret; -+ if ((unsigned long)ret + size > module_addr_max_rw) -+ module_addr_max_rw = (unsigned long)ret + size; -+ mutex_unlock(&module_mutex); -+ } -+ return ret; -+} -+ -+static void *module_alloc_update_bounds_rx(unsigned long size) -+{ -+ void *ret = module_alloc_exec(size); -+ -+ if (ret) { -+ mutex_lock(&module_mutex); -+ /* Update module bounds. */ -+ if ((unsigned long)ret < module_addr_min_rx) -+ module_addr_min_rx = (unsigned long)ret; -+ if ((unsigned long)ret + size > module_addr_max_rx) -+ module_addr_max_rx = (unsigned long)ret + size; - mutex_unlock(&module_mutex); - } - return ret; -@@ -2516,7 +2553,7 @@ static int move_module(struct module *mo - void *ptr; - - /* Do the allocs. */ -- ptr = module_alloc_update_bounds(mod->core_size); -+ ptr = module_alloc_update_bounds_rw(mod->core_size_rw); - /* - * The pointer to this block is stored in the module structure - * which is inside the block. Just mark it as not being a -@@ -2526,23 +2563,50 @@ static int move_module(struct module *mo - if (!ptr) - return -ENOMEM; - -- memset(ptr, 0, mod->core_size); -- mod->module_core = ptr; -+ memset(ptr, 0, mod->core_size_rw); -+ mod->module_core_rw = ptr; - -- ptr = module_alloc_update_bounds(mod->init_size); -+ ptr = module_alloc_update_bounds_rw(mod->init_size_rw); - /* - * The pointer to this block is stored in the module structure - * which is inside the block. This block doesn't need to be - * scanned as it contains data and code that will be freed - * after the module is initialized. - */ -- kmemleak_ignore(ptr); -- if (!ptr && mod->init_size) { -- module_free(mod, mod->module_core); -+ kmemleak_not_leak(ptr); -+ if (!ptr && mod->init_size_rw) { -+ module_free(mod, mod->module_core_rw); - return -ENOMEM; - } -- memset(ptr, 0, mod->init_size); -- mod->module_init = ptr; -+ memset(ptr, 0, mod->init_size_rw); -+ mod->module_init_rw = ptr; -+ -+ ptr = module_alloc_update_bounds_rx(mod->core_size_rx); -+ kmemleak_not_leak(ptr); -+ if (!ptr) { -+ module_free(mod, mod->module_init_rw); -+ module_free(mod, mod->module_core_rw); -+ return -ENOMEM; -+ } -+ -+ pax_open_kernel(); -+ memset(ptr, 0, mod->core_size_rx); -+ pax_close_kernel(); -+ mod->module_core_rx = ptr; -+ -+ ptr = module_alloc_update_bounds_rx(mod->init_size_rx); -+ kmemleak_not_leak(ptr); -+ if (!ptr && mod->init_size_rx) { -+ module_free_exec(mod, mod->module_core_rx); -+ module_free(mod, mod->module_init_rw); -+ module_free(mod, mod->module_core_rw); -+ return -ENOMEM; -+ } -+ -+ pax_open_kernel(); -+ memset(ptr, 0, mod->init_size_rx); -+ pax_close_kernel(); -+ mod->module_init_rx = ptr; - - /* Transfer each section which specifies SHF_ALLOC */ - DEBUGP("final section addresses:\n"); -@@ -2553,16 +2617,45 @@ static int move_module(struct module *mo - if (!(shdr->sh_flags & SHF_ALLOC)) - continue; - -- if (shdr->sh_entsize & INIT_OFFSET_MASK) -- dest = mod->module_init -- + (shdr->sh_entsize & ~INIT_OFFSET_MASK); -- else -- dest = mod->module_core + shdr->sh_entsize; -+ if (shdr->sh_entsize & INIT_OFFSET_MASK) { -+ if ((shdr->sh_flags & SHF_WRITE) || !(shdr->sh_flags & SHF_ALLOC)) -+ dest = mod->module_init_rw -+ + (shdr->sh_entsize & ~INIT_OFFSET_MASK); -+ else -+ dest = mod->module_init_rx -+ + (shdr->sh_entsize & ~INIT_OFFSET_MASK); -+ } else { -+ if ((shdr->sh_flags & SHF_WRITE) || !(shdr->sh_flags & SHF_ALLOC)) -+ dest = mod->module_core_rw + shdr->sh_entsize; -+ else -+ dest = mod->module_core_rx + shdr->sh_entsize; -+ } -+ -+ if (shdr->sh_type != SHT_NOBITS) { -+ -+#ifdef CONFIG_PAX_KERNEXEC -+#ifdef CONFIG_X86_64 -+ if ((shdr->sh_flags & SHF_WRITE) && (shdr->sh_flags & SHF_EXECINSTR)) -+ set_memory_x((unsigned long)dest, (shdr->sh_size + PAGE_SIZE) >> PAGE_SHIFT); -+#endif -+ if (!(shdr->sh_flags & SHF_WRITE) && (shdr->sh_flags & SHF_ALLOC)) { -+ pax_open_kernel(); -+ memcpy(dest, (void *)shdr->sh_addr, shdr->sh_size); -+ pax_close_kernel(); -+ } else -+#endif - -- if (shdr->sh_type != SHT_NOBITS) - memcpy(dest, (void *)shdr->sh_addr, shdr->sh_size); -+ } - /* Update sh_addr to point to copy in image. */ -- shdr->sh_addr = (unsigned long)dest; -+ -+#ifdef CONFIG_PAX_KERNEXEC -+ if (shdr->sh_flags & SHF_EXECINSTR) -+ shdr->sh_addr = ktva_ktla((unsigned long)dest); -+ else -+#endif -+ -+ shdr->sh_addr = (unsigned long)dest; - DEBUGP("\t0x%lx %s\n", - shdr->sh_addr, info->secstrings + shdr->sh_name); - } -@@ -2613,12 +2706,12 @@ static void flush_module_icache(const st - * Do it before processing of module parameters, so the module - * can provide parameter accessor functions of its own. - */ -- if (mod->module_init) -- flush_icache_range((unsigned long)mod->module_init, -- (unsigned long)mod->module_init -- + mod->init_size); -- flush_icache_range((unsigned long)mod->module_core, -- (unsigned long)mod->module_core + mod->core_size); -+ if (mod->module_init_rx) -+ flush_icache_range((unsigned long)mod->module_init_rx, -+ (unsigned long)mod->module_init_rx -+ + mod->init_size_rx); -+ flush_icache_range((unsigned long)mod->module_core_rx, -+ (unsigned long)mod->module_core_rx + mod->core_size_rx); - - set_fs(old_fs); - } -@@ -2690,8 +2783,10 @@ static void module_deallocate(struct mod - { - kfree(info->strmap); - percpu_modfree(mod); -- module_free(mod, mod->module_init); -- module_free(mod, mod->module_core); -+ module_free_exec(mod, mod->module_init_rx); -+ module_free_exec(mod, mod->module_core_rx); -+ module_free(mod, mod->module_init_rw); -+ module_free(mod, mod->module_core_rw); - } - - static int post_relocation(struct module *mod, const struct load_info *info) -@@ -2748,9 +2843,38 @@ static struct module *load_module(void _ - if (err) - goto free_unload; - -+ /* Now copy in args */ -+ mod->args = strndup_user(uargs, ~0UL >> 1); -+ if (IS_ERR(mod->args)) { -+ err = PTR_ERR(mod->args); -+ goto free_unload; -+ } -+ - /* Set up MODINFO_ATTR fields */ - setup_modinfo(mod, &info); - -+#ifdef CONFIG_GRKERNSEC_MODHARDEN -+ { -+ char *p, *p2; -+ -+ if (strstr(mod->args, "grsec_modharden_netdev")) { -+ printk(KERN_ALERT "grsec: denied auto-loading kernel module for a network device with CAP_SYS_MODULE (deprecated). Use CAP_NET_ADMIN and alias netdev-%.64s instead.", mod->name); -+ err = -EPERM; -+ goto free_modinfo; -+ } else if ((p = strstr(mod->args, "grsec_modharden_normal"))) { -+ p += strlen("grsec_modharden_normal"); -+ p2 = strstr(p, "_"); -+ if (p2) { -+ *p2 = '\0'; -+ printk(KERN_ALERT "grsec: denied kernel module auto-load of %.64s by uid %.9s\n", mod->name, p); -+ *p2 = '_'; -+ } -+ err = -EPERM; -+ goto free_modinfo; -+ } -+ } -+#endif -+ - /* Fix up syms, so that st_value is a pointer to location. */ - err = simplify_symbols(mod, &info); - if (err < 0) -@@ -2766,13 +2890,6 @@ static struct module *load_module(void _ - - flush_module_icache(mod); - -- /* Now copy in args */ -- mod->args = strndup_user(uargs, ~0UL >> 1); -- if (IS_ERR(mod->args)) { -- err = PTR_ERR(mod->args); -- goto free_arch_cleanup; -- } -- - /* Mark state as coming so strong_try_module_get() ignores us. */ - mod->state = MODULE_STATE_COMING; - -@@ -2832,11 +2949,10 @@ static struct module *load_module(void _ - unlock: - mutex_unlock(&module_mutex); - synchronize_sched(); -- kfree(mod->args); -- free_arch_cleanup: - module_arch_cleanup(mod); - free_modinfo: - free_modinfo(mod); -+ kfree(mod->args); - free_unload: - module_unload_free(mod); - free_module: -@@ -2877,16 +2993,16 @@ SYSCALL_DEFINE3(init_module, void __user - MODULE_STATE_COMING, mod); - - /* Set RO and NX regions for core */ -- set_section_ro_nx(mod->module_core, -- mod->core_text_size, -- mod->core_ro_size, -- mod->core_size); -+ set_section_ro_nx(mod->module_core_rx, -+ mod->core_size_rx, -+ mod->core_size_rx, -+ mod->core_size_rx); - - /* Set RO and NX regions for init */ -- set_section_ro_nx(mod->module_init, -- mod->init_text_size, -- mod->init_ro_size, -- mod->init_size); -+ set_section_ro_nx(mod->module_init_rx, -+ mod->init_size_rx, -+ mod->init_size_rx, -+ mod->init_size_rx); - - do_mod_ctors(mod); - /* Start the module */ -@@ -2931,11 +3047,13 @@ SYSCALL_DEFINE3(init_module, void __user - mod->symtab = mod->core_symtab; - mod->strtab = mod->core_strtab; - #endif -- unset_section_ro_nx(mod, mod->module_init); -- module_free(mod, mod->module_init); -- mod->module_init = NULL; -- mod->init_size = 0; -- mod->init_text_size = 0; -+ unset_section_ro_nx(mod, mod->module_init_rx); -+ module_free(mod, mod->module_init_rw); -+ module_free_exec(mod, mod->module_init_rx); -+ mod->module_init_rw = NULL; -+ mod->module_init_rx = NULL; -+ mod->init_size_rw = 0; -+ mod->init_size_rx = 0; - mutex_unlock(&module_mutex); - - return 0; -@@ -2966,10 +3084,16 @@ static const char *get_ksymbol(struct mo - unsigned long nextval; - - /* At worse, next value is at end of module */ -- if (within_module_init(addr, mod)) -- nextval = (unsigned long)mod->module_init+mod->init_text_size; -+ if (within_module_init_rx(addr, mod)) -+ nextval = (unsigned long)mod->module_init_rx+mod->init_size_rx; -+ else if (within_module_init_rw(addr, mod)) -+ nextval = (unsigned long)mod->module_init_rw+mod->init_size_rw; -+ else if (within_module_core_rx(addr, mod)) -+ nextval = (unsigned long)mod->module_core_rx+mod->core_size_rx; -+ else if (within_module_core_rw(addr, mod)) -+ nextval = (unsigned long)mod->module_core_rw+mod->core_size_rw; - else -- nextval = (unsigned long)mod->module_core+mod->core_text_size; -+ return NULL; - - /* Scan for closest preceding symbol, and next symbol. (ELF - starts real symbols at 1). */ -@@ -3215,7 +3339,7 @@ static int m_show(struct seq_file *m, vo - char buf[8]; - - seq_printf(m, "%s %u", -- mod->name, mod->init_size + mod->core_size); -+ mod->name, mod->init_size_rx + mod->init_size_rw + mod->core_size_rx + mod->core_size_rw); - print_unload_info(m, mod); - - /* Informative for users. */ -@@ -3224,7 +3348,7 @@ static int m_show(struct seq_file *m, vo - mod->state == MODULE_STATE_COMING ? "Loading": - "Live"); - /* Used by oprofile and other similar tools. */ -- seq_printf(m, " 0x%pK", mod->module_core); -+ seq_printf(m, " 0x%pK 0x%pK", mod->module_core_rx, mod->module_core_rw); - - /* Taints info */ - if (mod->taints) -@@ -3260,7 +3384,17 @@ static const struct file_operations proc - - static int __init proc_modules_init(void) - { -+#ifndef CONFIG_GRKERNSEC_HIDESYM -+#ifdef CONFIG_GRKERNSEC_PROC_USER -+ proc_create("modules", S_IRUSR, NULL, &proc_modules_operations); -+#elif defined(CONFIG_GRKERNSEC_PROC_USERGROUP) -+ proc_create("modules", S_IRUSR | S_IRGRP, NULL, &proc_modules_operations); -+#else - proc_create("modules", 0, NULL, &proc_modules_operations); -+#endif -+#else -+ proc_create("modules", S_IRUSR, NULL, &proc_modules_operations); -+#endif - return 0; - } - module_init(proc_modules_init); -@@ -3319,12 +3453,12 @@ struct module *__module_address(unsigned - { - struct module *mod; - -- if (addr < module_addr_min || addr > module_addr_max) -+ if ((addr < module_addr_min_rx || addr > module_addr_max_rx) && -+ (addr < module_addr_min_rw || addr > module_addr_max_rw)) - return NULL; - - list_for_each_entry_rcu(mod, &modules, list) -- if (within_module_core(addr, mod) -- || within_module_init(addr, mod)) -+ if (within_module_init(addr, mod) || within_module_core(addr, mod)) - return mod; - return NULL; - } -@@ -3358,11 +3492,20 @@ bool is_module_text_address(unsigned lon - */ - struct module *__module_text_address(unsigned long addr) - { -- struct module *mod = __module_address(addr); -+ struct module *mod; -+ -+#ifdef CONFIG_X86_32 -+ addr = ktla_ktva(addr); -+#endif -+ -+ if (addr < module_addr_min_rx || addr > module_addr_max_rx) -+ return NULL; -+ -+ mod = __module_address(addr); -+ - if (mod) { - /* Make sure it's within the text section. */ -- if (!within(addr, mod->module_init, mod->init_text_size) -- && !within(addr, mod->module_core, mod->core_text_size)) -+ if (!within_module_init_rx(addr, mod) && !within_module_core_rx(addr, mod)) - mod = NULL; - } - return mod; -diff -urNp linux-2.6.39.3/kernel/mutex.c linux-2.6.39.3/kernel/mutex.c ---- linux-2.6.39.3/kernel/mutex.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/kernel/mutex.c 2011-05-22 19:36:33.000000000 -0400 -@@ -160,7 +160,7 @@ __mutex_lock_common(struct mutex *lock, - */ - - for (;;) { -- struct thread_info *owner; -+ struct task_struct *owner; - - /* - * If we own the BKL, then don't spin. The owner of -@@ -205,7 +205,7 @@ __mutex_lock_common(struct mutex *lock, - spin_lock_mutex(&lock->wait_lock, flags); - - debug_mutex_lock_common(lock, &waiter); -- debug_mutex_add_waiter(lock, &waiter, task_thread_info(task)); -+ debug_mutex_add_waiter(lock, &waiter, task); - - /* add waiting tasks to the end of the waitqueue (FIFO): */ - list_add_tail(&waiter.list, &lock->wait_list); -@@ -234,8 +234,7 @@ __mutex_lock_common(struct mutex *lock, - * TASK_UNINTERRUPTIBLE case.) - */ - if (unlikely(signal_pending_state(state, task))) { -- mutex_remove_waiter(lock, &waiter, -- task_thread_info(task)); -+ mutex_remove_waiter(lock, &waiter, task); - mutex_release(&lock->dep_map, 1, ip); - spin_unlock_mutex(&lock->wait_lock, flags); - -@@ -256,7 +255,7 @@ __mutex_lock_common(struct mutex *lock, - done: - lock_acquired(&lock->dep_map, ip); - /* got the lock - rejoice! */ -- mutex_remove_waiter(lock, &waiter, current_thread_info()); -+ mutex_remove_waiter(lock, &waiter, task); - mutex_set_owner(lock); - - /* set it to 0 if there are no waiters left: */ -diff -urNp linux-2.6.39.3/kernel/mutex-debug.c linux-2.6.39.3/kernel/mutex-debug.c ---- linux-2.6.39.3/kernel/mutex-debug.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/kernel/mutex-debug.c 2011-05-22 19:36:33.000000000 -0400 -@@ -49,21 +49,21 @@ void debug_mutex_free_waiter(struct mute - } - - void debug_mutex_add_waiter(struct mutex *lock, struct mutex_waiter *waiter, -- struct thread_info *ti) -+ struct task_struct *task) - { - SMP_DEBUG_LOCKS_WARN_ON(!spin_is_locked(&lock->wait_lock)); - - /* Mark the current thread as blocked on the lock: */ -- ti->task->blocked_on = waiter; -+ task->blocked_on = waiter; - } - - void mutex_remove_waiter(struct mutex *lock, struct mutex_waiter *waiter, -- struct thread_info *ti) -+ struct task_struct *task) - { - DEBUG_LOCKS_WARN_ON(list_empty(&waiter->list)); -- DEBUG_LOCKS_WARN_ON(waiter->task != ti->task); -- DEBUG_LOCKS_WARN_ON(ti->task->blocked_on != waiter); -- ti->task->blocked_on = NULL; -+ DEBUG_LOCKS_WARN_ON(waiter->task != task); -+ DEBUG_LOCKS_WARN_ON(task->blocked_on != waiter); -+ task->blocked_on = NULL; - - list_del_init(&waiter->list); - waiter->task = NULL; -@@ -75,7 +75,7 @@ void debug_mutex_unlock(struct mutex *lo - return; - - DEBUG_LOCKS_WARN_ON(lock->magic != lock); -- DEBUG_LOCKS_WARN_ON(lock->owner != current_thread_info()); -+ DEBUG_LOCKS_WARN_ON(lock->owner != current); - DEBUG_LOCKS_WARN_ON(!lock->wait_list.prev && !lock->wait_list.next); - mutex_clear_owner(lock); - } -diff -urNp linux-2.6.39.3/kernel/mutex-debug.h linux-2.6.39.3/kernel/mutex-debug.h ---- linux-2.6.39.3/kernel/mutex-debug.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/kernel/mutex-debug.h 2011-05-22 19:36:33.000000000 -0400 -@@ -20,16 +20,16 @@ extern void debug_mutex_wake_waiter(stru - extern void debug_mutex_free_waiter(struct mutex_waiter *waiter); - extern void debug_mutex_add_waiter(struct mutex *lock, - struct mutex_waiter *waiter, -- struct thread_info *ti); -+ struct task_struct *task); - extern void mutex_remove_waiter(struct mutex *lock, struct mutex_waiter *waiter, -- struct thread_info *ti); -+ struct task_struct *task); - extern void debug_mutex_unlock(struct mutex *lock); - extern void debug_mutex_init(struct mutex *lock, const char *name, - struct lock_class_key *key); - - static inline void mutex_set_owner(struct mutex *lock) - { -- lock->owner = current_thread_info(); -+ lock->owner = current; - } - - static inline void mutex_clear_owner(struct mutex *lock) -diff -urNp linux-2.6.39.3/kernel/mutex.h linux-2.6.39.3/kernel/mutex.h ---- linux-2.6.39.3/kernel/mutex.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/kernel/mutex.h 2011-05-22 19:36:33.000000000 -0400 -@@ -19,7 +19,7 @@ - #ifdef CONFIG_SMP - static inline void mutex_set_owner(struct mutex *lock) - { -- lock->owner = current_thread_info(); -+ lock->owner = current; - } - - static inline void mutex_clear_owner(struct mutex *lock) -diff -urNp linux-2.6.39.3/kernel/padata.c linux-2.6.39.3/kernel/padata.c ---- linux-2.6.39.3/kernel/padata.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/kernel/padata.c 2011-05-22 19:36:33.000000000 -0400 -@@ -132,10 +132,10 @@ int padata_do_parallel(struct padata_ins - padata->pd = pd; - padata->cb_cpu = cb_cpu; - -- if (unlikely(atomic_read(&pd->seq_nr) == pd->max_seq_nr)) -- atomic_set(&pd->seq_nr, -1); -+ if (unlikely(atomic_read_unchecked(&pd->seq_nr) == pd->max_seq_nr)) -+ atomic_set_unchecked(&pd->seq_nr, -1); - -- padata->seq_nr = atomic_inc_return(&pd->seq_nr); -+ padata->seq_nr = atomic_inc_return_unchecked(&pd->seq_nr); - - target_cpu = padata_cpu_hash(padata); - queue = per_cpu_ptr(pd->pqueue, target_cpu); -@@ -444,7 +444,7 @@ static struct parallel_data *padata_allo - padata_init_pqueues(pd); - padata_init_squeues(pd); - setup_timer(&pd->timer, padata_reorder_timer, (unsigned long)pd); -- atomic_set(&pd->seq_nr, -1); -+ atomic_set_unchecked(&pd->seq_nr, -1); - atomic_set(&pd->reorder_objects, 0); - atomic_set(&pd->refcnt, 0); - pd->pinst = pinst; -diff -urNp linux-2.6.39.3/kernel/panic.c linux-2.6.39.3/kernel/panic.c ---- linux-2.6.39.3/kernel/panic.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/kernel/panic.c 2011-05-22 19:41:42.000000000 -0400 -@@ -369,7 +369,7 @@ static void warn_slowpath_common(const c - const char *board; - - printk(KERN_WARNING "------------[ cut here ]------------\n"); -- printk(KERN_WARNING "WARNING: at %s:%d %pS()\n", file, line, caller); -+ printk(KERN_WARNING "WARNING: at %s:%d %pA()\n", file, line, caller); - board = dmi_get_system_info(DMI_PRODUCT_NAME); - if (board) - printk(KERN_WARNING "Hardware name: %s\n", board); -@@ -424,7 +424,8 @@ EXPORT_SYMBOL(warn_slowpath_null); - */ - void __stack_chk_fail(void) - { -- panic("stack-protector: Kernel stack is corrupted in: %p\n", -+ dump_stack(); -+ panic("stack-protector: Kernel stack is corrupted in: %pA\n", - __builtin_return_address(0)); - } - EXPORT_SYMBOL(__stack_chk_fail); -diff -urNp linux-2.6.39.3/kernel/params.c linux-2.6.39.3/kernel/params.c ---- linux-2.6.39.3/kernel/params.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/kernel/params.c 2011-05-22 19:36:33.000000000 -0400 -@@ -234,7 +234,7 @@ int parse_args(const char *name, - { \ - return sprintf(buffer, format, *((type *)kp->arg)); \ - } \ -- struct kernel_param_ops param_ops_##name = { \ -+ const struct kernel_param_ops param_ops_##name = { \ - .set = param_set_##name, \ - .get = param_get_##name, \ - }; \ -@@ -286,7 +286,7 @@ static void param_free_charp(void *arg) - maybe_kfree_parameter(*((char **)arg)); - } - --struct kernel_param_ops param_ops_charp = { -+const struct kernel_param_ops param_ops_charp = { - .set = param_set_charp, - .get = param_get_charp, - .free = param_free_charp, -@@ -334,7 +334,7 @@ int param_get_bool(char *buffer, const s - } - EXPORT_SYMBOL(param_get_bool); - --struct kernel_param_ops param_ops_bool = { -+const struct kernel_param_ops param_ops_bool = { - .set = param_set_bool, - .get = param_get_bool, - }; -@@ -362,7 +362,7 @@ int param_get_invbool(char *buffer, cons - } - EXPORT_SYMBOL(param_get_invbool); - --struct kernel_param_ops param_ops_invbool = { -+const struct kernel_param_ops param_ops_invbool = { - .set = param_set_invbool, - .get = param_get_invbool, - }; -@@ -460,7 +460,7 @@ static void param_array_free(void *arg) - arr->ops->free(arr->elem + arr->elemsize * i); - } - --struct kernel_param_ops param_array_ops = { -+const struct kernel_param_ops param_array_ops = { - .set = param_array_set, - .get = param_array_get, - .free = param_array_free, -@@ -488,7 +488,7 @@ int param_get_string(char *buffer, const - } - EXPORT_SYMBOL(param_get_string); - --struct kernel_param_ops param_ops_string = { -+const struct kernel_param_ops param_ops_string = { - .set = param_set_copystring, - .get = param_get_string, - }; -diff -urNp linux-2.6.39.3/kernel/perf_event.c linux-2.6.39.3/kernel/perf_event.c ---- linux-2.6.39.3/kernel/perf_event.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/kernel/perf_event.c 2011-05-22 19:36:33.000000000 -0400 -@@ -170,7 +170,7 @@ int perf_proc_update_handler(struct ctl_ - return 0; - } - --static atomic64_t perf_event_id; -+static atomic64_unchecked_t perf_event_id; - - static void cpu_ctx_sched_out(struct perf_cpu_context *cpuctx, - enum event_type_t event_type); -@@ -2496,7 +2496,7 @@ static void __perf_event_read(void *info - - static inline u64 perf_event_count(struct perf_event *event) - { -- return local64_read(&event->count) + atomic64_read(&event->child_count); -+ return local64_read(&event->count) + atomic64_read_unchecked(&event->child_count); - } - - static u64 perf_event_read(struct perf_event *event) -@@ -3031,9 +3031,9 @@ u64 perf_event_read_value(struct perf_ev - mutex_lock(&event->child_mutex); - total += perf_event_read(event); - *enabled += event->total_time_enabled + -- atomic64_read(&event->child_total_time_enabled); -+ atomic64_read_unchecked(&event->child_total_time_enabled); - *running += event->total_time_running + -- atomic64_read(&event->child_total_time_running); -+ atomic64_read_unchecked(&event->child_total_time_running); - - list_for_each_entry(child, &event->child_list, child_list) { - total += perf_event_read(child); -@@ -3396,10 +3396,10 @@ void perf_event_update_userpage(struct p - userpg->offset -= local64_read(&event->hw.prev_count); - - userpg->time_enabled = event->total_time_enabled + -- atomic64_read(&event->child_total_time_enabled); -+ atomic64_read_unchecked(&event->child_total_time_enabled); - - userpg->time_running = event->total_time_running + -- atomic64_read(&event->child_total_time_running); -+ atomic64_read_unchecked(&event->child_total_time_running); - - barrier(); - ++userpg->lock; -@@ -3884,16 +3884,16 @@ static void perf_pending_event(struct ir - * Later on, we might change it to a list if there is - * another virtualization implementation supporting the callbacks. - */ --struct perf_guest_info_callbacks *perf_guest_cbs; -+const struct perf_guest_info_callbacks *perf_guest_cbs; - --int perf_register_guest_info_callbacks(struct perf_guest_info_callbacks *cbs) -+int perf_register_guest_info_callbacks(const struct perf_guest_info_callbacks *cbs) - { - perf_guest_cbs = cbs; - return 0; - } - EXPORT_SYMBOL_GPL(perf_register_guest_info_callbacks); - --int perf_unregister_guest_info_callbacks(struct perf_guest_info_callbacks *cbs) -+int perf_unregister_guest_info_callbacks(const struct perf_guest_info_callbacks *cbs) - { - perf_guest_cbs = NULL; - return 0; -@@ -4196,11 +4196,11 @@ static void perf_output_read_one(struct - values[n++] = perf_event_count(event); - if (read_format & PERF_FORMAT_TOTAL_TIME_ENABLED) { - values[n++] = enabled + -- atomic64_read(&event->child_total_time_enabled); -+ atomic64_read_unchecked(&event->child_total_time_enabled); - } - if (read_format & PERF_FORMAT_TOTAL_TIME_RUNNING) { - values[n++] = running + -- atomic64_read(&event->child_total_time_running); -+ atomic64_read_unchecked(&event->child_total_time_running); - } - if (read_format & PERF_FORMAT_ID) - values[n++] = primary_event_id(event); -@@ -6201,7 +6201,7 @@ perf_event_alloc(struct perf_event_attr - event->parent = parent_event; - - event->ns = get_pid_ns(current->nsproxy->pid_ns); -- event->id = atomic64_inc_return(&perf_event_id); -+ event->id = atomic64_inc_return_unchecked(&perf_event_id); - - event->state = PERF_EVENT_STATE_INACTIVE; - -@@ -6724,10 +6724,10 @@ static void sync_child_event(struct perf - /* - * Add back the child's count to the parent's count: - */ -- atomic64_add(child_val, &parent_event->child_count); -- atomic64_add(child_event->total_time_enabled, -+ atomic64_add_unchecked(child_val, &parent_event->child_count); -+ atomic64_add_unchecked(child_event->total_time_enabled, - &parent_event->child_total_time_enabled); -- atomic64_add(child_event->total_time_running, -+ atomic64_add_unchecked(child_event->total_time_running, - &parent_event->child_total_time_running); - - /* -diff -urNp linux-2.6.39.3/kernel/pid.c linux-2.6.39.3/kernel/pid.c ---- linux-2.6.39.3/kernel/pid.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/kernel/pid.c 2011-07-16 15:42:36.000000000 -0400 -@@ -33,6 +33,7 @@ - #include <linux/rculist.h> - #include <linux/bootmem.h> - #include <linux/hash.h> -+#include <linux/security.h> - #include <linux/pid_namespace.h> - #include <linux/init_task.h> - #include <linux/syscalls.h> -@@ -45,7 +46,7 @@ struct pid init_struct_pid = INIT_STRUCT - - int pid_max = PID_MAX_DEFAULT; - --#define RESERVED_PIDS 300 -+#define RESERVED_PIDS 500 - - int pid_max_min = RESERVED_PIDS + 1; - int pid_max_max = PID_MAX_LIMIT; -@@ -419,8 +420,15 @@ EXPORT_SYMBOL(pid_task); - */ - struct task_struct *find_task_by_pid_ns(pid_t nr, struct pid_namespace *ns) - { -+ struct task_struct *task; -+ - rcu_lockdep_assert(rcu_read_lock_held()); -- return pid_task(find_pid_ns(nr, ns), PIDTYPE_PID); -+ task = pid_task(find_pid_ns(nr, ns), PIDTYPE_PID); -+ -+ if (gr_pid_is_chrooted(task)) -+ return NULL; -+ -+ return task; - } - - struct task_struct *find_task_by_vpid(pid_t vnr) -@@ -428,6 +436,12 @@ struct task_struct *find_task_by_vpid(pi - return find_task_by_pid_ns(vnr, current->nsproxy->pid_ns); - } - -+struct task_struct *find_task_by_vpid_unrestricted(pid_t vnr) -+{ -+ rcu_lockdep_assert(rcu_read_lock_held()); -+ return pid_task(find_pid_ns(vnr, current->nsproxy->pid_ns), PIDTYPE_PID); -+} -+ - struct pid *get_task_pid(struct task_struct *task, enum pid_type type) - { - struct pid *pid; -diff -urNp linux-2.6.39.3/kernel/posix-cpu-timers.c linux-2.6.39.3/kernel/posix-cpu-timers.c ---- linux-2.6.39.3/kernel/posix-cpu-timers.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/kernel/posix-cpu-timers.c 2011-05-22 19:41:42.000000000 -0400 -@@ -6,6 +6,7 @@ - #include <linux/posix-timers.h> - #include <linux/errno.h> - #include <linux/math64.h> -+#include <linux/security.h> - #include <asm/uaccess.h> - #include <linux/kernel_stat.h> - #include <trace/events/timer.h> -@@ -1590,7 +1591,7 @@ static int thread_cpu_timer_create(struc - return posix_cpu_timer_create(timer); - } - --struct k_clock clock_posix_cpu = { -+const struct k_clock clock_posix_cpu = { - .clock_getres = posix_cpu_clock_getres, - .clock_set = posix_cpu_clock_set, - .clock_get = posix_cpu_clock_get, -@@ -1604,14 +1605,14 @@ struct k_clock clock_posix_cpu = { - - static __init int init_posix_cpu_timers(void) - { -- struct k_clock process = { -+ const struct k_clock process = { - .clock_getres = process_cpu_clock_getres, - .clock_get = process_cpu_clock_get, - .timer_create = process_cpu_timer_create, - .nsleep = process_cpu_nsleep, - .nsleep_restart = process_cpu_nsleep_restart, - }; -- struct k_clock thread = { -+ const struct k_clock thread = { - .clock_getres = thread_cpu_clock_getres, - .clock_get = thread_cpu_clock_get, - .timer_create = thread_cpu_timer_create, -diff -urNp linux-2.6.39.3/kernel/posix-timers.c linux-2.6.39.3/kernel/posix-timers.c ---- linux-2.6.39.3/kernel/posix-timers.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/kernel/posix-timers.c 2011-05-22 20:13:41.000000000 -0400 -@@ -43,6 +43,7 @@ - #include <linux/idr.h> - #include <linux/posix-clock.h> - #include <linux/posix-timers.h> -+#include <linux/grsecurity.h> - #include <linux/syscalls.h> - #include <linux/wait.h> - #include <linux/workqueue.h> -@@ -227,7 +228,7 @@ static int posix_get_boottime(const cloc - */ - static __init int init_posix_timers(void) - { -- struct k_clock clock_realtime = { -+ const struct k_clock clock_realtime = { - .clock_getres = hrtimer_get_res, - .clock_get = posix_clock_realtime_get, - .clock_set = posix_clock_realtime_set, -@@ -239,7 +240,7 @@ static __init int init_posix_timers(void - .timer_get = common_timer_get, - .timer_del = common_timer_del, - }; -- struct k_clock clock_monotonic = { -+ const struct k_clock clock_monotonic = { - .clock_getres = hrtimer_get_res, - .clock_get = posix_ktime_get_ts, - .nsleep = common_nsleep, -@@ -249,19 +250,19 @@ static __init int init_posix_timers(void - .timer_get = common_timer_get, - .timer_del = common_timer_del, - }; -- struct k_clock clock_monotonic_raw = { -+ const struct k_clock clock_monotonic_raw = { - .clock_getres = hrtimer_get_res, - .clock_get = posix_get_monotonic_raw, - }; -- struct k_clock clock_realtime_coarse = { -+ const struct k_clock clock_realtime_coarse = { - .clock_getres = posix_get_coarse_res, - .clock_get = posix_get_realtime_coarse, - }; -- struct k_clock clock_monotonic_coarse = { -+ const struct k_clock clock_monotonic_coarse = { - .clock_getres = posix_get_coarse_res, - .clock_get = posix_get_monotonic_coarse, - }; -- struct k_clock clock_boottime = { -+ const struct k_clock clock_boottime = { - .clock_getres = hrtimer_get_res, - .clock_get = posix_get_boottime, - .nsleep = common_nsleep, -@@ -272,6 +273,8 @@ static __init int init_posix_timers(void - .timer_del = common_timer_del, - }; - -+ pax_track_stack(); -+ - posix_timers_register_clock(CLOCK_REALTIME, &clock_realtime); - posix_timers_register_clock(CLOCK_MONOTONIC, &clock_monotonic); - posix_timers_register_clock(CLOCK_MONOTONIC_RAW, &clock_monotonic_raw); -@@ -454,7 +457,7 @@ static struct pid *good_sigevent(sigeven - } - - void posix_timers_register_clock(const clockid_t clock_id, -- struct k_clock *new_clock) -+ const struct k_clock *new_clock) - { - if ((unsigned) clock_id >= MAX_CLOCKS) { - printk(KERN_WARNING "POSIX clock register failed for clock_id %d\n", -@@ -506,7 +509,7 @@ static void release_posix_timer(struct k - kmem_cache_free(posix_timers_cache, tmr); - } - --static struct k_clock *clockid_to_kclock(const clockid_t id) -+static const struct k_clock *clockid_to_kclock(const clockid_t id) - { - if (id < 0) - return (id & CLOCKFD_MASK) == CLOCKFD ? -@@ -529,7 +532,7 @@ SYSCALL_DEFINE3(timer_create, const cloc - struct sigevent __user *, timer_event_spec, - timer_t __user *, created_timer_id) - { -- struct k_clock *kc = clockid_to_kclock(which_clock); -+ const struct k_clock *kc = clockid_to_kclock(which_clock); - struct k_itimer *new_timer; - int error, new_timer_id; - sigevent_t event; -@@ -714,7 +717,7 @@ SYSCALL_DEFINE2(timer_gettime, timer_t, - { - struct itimerspec cur_setting; - struct k_itimer *timr; -- struct k_clock *kc; -+ const struct k_clock *kc; - unsigned long flags; - int ret = 0; - -@@ -822,7 +825,7 @@ SYSCALL_DEFINE4(timer_settime, timer_t, - int error = 0; - unsigned long flag; - struct itimerspec *rtn = old_setting ? &old_spec : NULL; -- struct k_clock *kc; -+ const struct k_clock *kc; - - if (!new_setting) - return -EINVAL; -@@ -868,7 +871,7 @@ static int common_timer_del(struct k_iti - - static inline int timer_delete_hook(struct k_itimer *timer) - { -- struct k_clock *kc = clockid_to_kclock(timer->it_clock); -+ const struct k_clock *kc = clockid_to_kclock(timer->it_clock); - - if (WARN_ON_ONCE(!kc || !kc->timer_del)) - return -EINVAL; -@@ -947,7 +950,7 @@ void exit_itimers(struct signal_struct * - SYSCALL_DEFINE2(clock_settime, const clockid_t, which_clock, - const struct timespec __user *, tp) - { -- struct k_clock *kc = clockid_to_kclock(which_clock); -+ const struct k_clock *kc = clockid_to_kclock(which_clock); - struct timespec new_tp; - - if (!kc || !kc->clock_set) -@@ -956,13 +959,20 @@ SYSCALL_DEFINE2(clock_settime, const clo - if (copy_from_user(&new_tp, tp, sizeof (*tp))) - return -EFAULT; - -+ /* only the CLOCK_REALTIME clock can be set, all other clocks -+ have their clock_set fptr set to a nosettime dummy function -+ CLOCK_REALTIME has a NULL clock_set fptr which causes it to -+ call common_clock_set, which calls do_sys_settimeofday, which -+ we hook -+ */ -+ - return kc->clock_set(which_clock, &new_tp); - } - - SYSCALL_DEFINE2(clock_gettime, const clockid_t, which_clock, - struct timespec __user *,tp) - { -- struct k_clock *kc = clockid_to_kclock(which_clock); -+ const struct k_clock *kc = clockid_to_kclock(which_clock); - struct timespec kernel_tp; - int error; - -@@ -980,7 +990,7 @@ SYSCALL_DEFINE2(clock_gettime, const clo - SYSCALL_DEFINE2(clock_adjtime, const clockid_t, which_clock, - struct timex __user *, utx) - { -- struct k_clock *kc = clockid_to_kclock(which_clock); -+ const struct k_clock *kc = clockid_to_kclock(which_clock); - struct timex ktx; - int err; - -@@ -1003,7 +1013,7 @@ SYSCALL_DEFINE2(clock_adjtime, const clo - SYSCALL_DEFINE2(clock_getres, const clockid_t, which_clock, - struct timespec __user *, tp) - { -- struct k_clock *kc = clockid_to_kclock(which_clock); -+ const struct k_clock *kc = clockid_to_kclock(which_clock); - struct timespec rtn_tp; - int error; - -@@ -1033,7 +1043,7 @@ SYSCALL_DEFINE4(clock_nanosleep, const c - const struct timespec __user *, rqtp, - struct timespec __user *, rmtp) - { -- struct k_clock *kc = clockid_to_kclock(which_clock); -+ const struct k_clock *kc = clockid_to_kclock(which_clock); - struct timespec t; - - if (!kc) -@@ -1057,7 +1067,7 @@ SYSCALL_DEFINE4(clock_nanosleep, const c - long clock_nanosleep_restart(struct restart_block *restart_block) - { - clockid_t which_clock = restart_block->nanosleep.index; -- struct k_clock *kc = clockid_to_kclock(which_clock); -+ const struct k_clock *kc = clockid_to_kclock(which_clock); - - if (WARN_ON_ONCE(!kc || !kc->nsleep_restart)) - return -EINVAL; -diff -urNp linux-2.6.39.3/kernel/power/poweroff.c linux-2.6.39.3/kernel/power/poweroff.c ---- linux-2.6.39.3/kernel/power/poweroff.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/kernel/power/poweroff.c 2011-05-22 19:36:33.000000000 -0400 -@@ -37,7 +37,7 @@ static struct sysrq_key_op sysrq_powerof - .enable_mask = SYSRQ_ENABLE_BOOT, - }; - --static int pm_sysrq_init(void) -+static int __init pm_sysrq_init(void) - { - register_sysrq_key('o', &sysrq_poweroff_op); - return 0; -diff -urNp linux-2.6.39.3/kernel/power/process.c linux-2.6.39.3/kernel/power/process.c ---- linux-2.6.39.3/kernel/power/process.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/kernel/power/process.c 2011-05-22 19:36:33.000000000 -0400 -@@ -41,6 +41,7 @@ static int try_to_freeze_tasks(bool sig_ - u64 elapsed_csecs64; - unsigned int elapsed_csecs; - bool wakeup = false; -+ bool timedout = false; - - do_gettimeofday(&start); - -@@ -51,6 +52,8 @@ static int try_to_freeze_tasks(bool sig_ - - while (true) { - todo = 0; -+ if (time_after(jiffies, end_time)) -+ timedout = true; - read_lock(&tasklist_lock); - do_each_thread(g, p) { - if (frozen(p) || !freezable(p)) -@@ -71,9 +74,13 @@ static int try_to_freeze_tasks(bool sig_ - * try_to_stop() after schedule() in ptrace/signal - * stop sees TIF_FREEZE. - */ -- if (!task_is_stopped_or_traced(p) && -- !freezer_should_skip(p)) -+ if (!task_is_stopped_or_traced(p) && !freezer_should_skip(p)) { - todo++; -+ if (timedout) { -+ printk(KERN_ERR "Task refusing to freeze:\n"); -+ sched_show_task(p); -+ } -+ } - } while_each_thread(g, p); - read_unlock(&tasklist_lock); - -@@ -82,7 +89,7 @@ static int try_to_freeze_tasks(bool sig_ - todo += wq_busy; - } - -- if (!todo || time_after(jiffies, end_time)) -+ if (!todo || timedout) - break; - - if (pm_wakeup_pending()) { -diff -urNp linux-2.6.39.3/kernel/printk.c linux-2.6.39.3/kernel/printk.c ---- linux-2.6.39.3/kernel/printk.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/kernel/printk.c 2011-05-22 19:41:42.000000000 -0400 -@@ -284,12 +284,17 @@ static int check_syslog_permissions(int - if (from_file && type != SYSLOG_ACTION_OPEN) - return 0; - -+#ifdef CONFIG_GRKERNSEC_DMESG -+ if (grsec_enable_dmesg && !capable(CAP_SYSLOG) && !capable_nolog(CAP_SYS_ADMIN)) -+ return -EPERM; -+#endif -+ - if (syslog_action_restricted(type)) { - if (capable(CAP_SYSLOG)) - return 0; - /* For historical reasons, accept CAP_SYS_ADMIN too, with a warning */ - if (capable(CAP_SYS_ADMIN)) { -- WARN_ONCE(1, "Attempt to access syslog with CAP_SYS_ADMIN " -+ printk_once(KERN_WARNING "Attempt to access syslog with CAP_SYS_ADMIN " - "but no CAP_SYSLOG (deprecated).\n"); - return 0; - } -diff -urNp linux-2.6.39.3/kernel/profile.c linux-2.6.39.3/kernel/profile.c ---- linux-2.6.39.3/kernel/profile.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/kernel/profile.c 2011-05-22 19:36:33.000000000 -0400 -@@ -39,7 +39,7 @@ struct profile_hit { - /* Oprofile timer tick hook */ - static int (*timer_hook)(struct pt_regs *) __read_mostly; - --static atomic_t *prof_buffer; -+static atomic_unchecked_t *prof_buffer; - static unsigned long prof_len, prof_shift; - - int prof_on __read_mostly; -@@ -283,7 +283,7 @@ static void profile_flip_buffers(void) - hits[i].pc = 0; - continue; - } -- atomic_add(hits[i].hits, &prof_buffer[hits[i].pc]); -+ atomic_add_unchecked(hits[i].hits, &prof_buffer[hits[i].pc]); - hits[i].hits = hits[i].pc = 0; - } - } -@@ -346,9 +346,9 @@ void profile_hits(int type, void *__pc, - * Add the current hit(s) and flush the write-queue out - * to the global buffer: - */ -- atomic_add(nr_hits, &prof_buffer[pc]); -+ atomic_add_unchecked(nr_hits, &prof_buffer[pc]); - for (i = 0; i < NR_PROFILE_HIT; ++i) { -- atomic_add(hits[i].hits, &prof_buffer[hits[i].pc]); -+ atomic_add_unchecked(hits[i].hits, &prof_buffer[hits[i].pc]); - hits[i].pc = hits[i].hits = 0; - } - out: -@@ -426,7 +426,7 @@ void profile_hits(int type, void *__pc, - if (prof_on != type || !prof_buffer) - return; - pc = ((unsigned long)__pc - (unsigned long)_stext) >> prof_shift; -- atomic_add(nr_hits, &prof_buffer[min(pc, prof_len - 1)]); -+ atomic_add_unchecked(nr_hits, &prof_buffer[min(pc, prof_len - 1)]); - } - #endif /* !CONFIG_SMP */ - EXPORT_SYMBOL_GPL(profile_hits); -@@ -517,7 +517,7 @@ read_profile(struct file *file, char __u - return -EFAULT; - buf++; p++; count--; read++; - } -- pnt = (char *)prof_buffer + p - sizeof(atomic_t); -+ pnt = (char *)prof_buffer + p - sizeof(atomic_unchecked_t); - if (copy_to_user(buf, (void *)pnt, count)) - return -EFAULT; - read += count; -@@ -548,7 +548,7 @@ static ssize_t write_profile(struct file - } - #endif - profile_discard_flip_buffers(); -- memset(prof_buffer, 0, prof_len * sizeof(atomic_t)); -+ memset(prof_buffer, 0, prof_len * sizeof(atomic_unchecked_t)); - return count; - } - -diff -urNp linux-2.6.39.3/kernel/ptrace.c linux-2.6.39.3/kernel/ptrace.c ---- linux-2.6.39.3/kernel/ptrace.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/kernel/ptrace.c 2011-05-23 17:07:00.000000000 -0400 -@@ -117,7 +117,8 @@ int ptrace_check_attach(struct task_stru - return ret; - } - --int __ptrace_may_access(struct task_struct *task, unsigned int mode) -+static int __ptrace_may_access(struct task_struct *task, unsigned int mode, -+ unsigned int log) - { - const struct cred *cred = current_cred(), *tcred; - -@@ -143,7 +144,8 @@ int __ptrace_may_access(struct task_stru - cred->gid == tcred->sgid && - cred->gid == tcred->gid)) - goto ok; -- if (ns_capable(tcred->user->user_ns, CAP_SYS_PTRACE)) -+ if ((!log && ns_capable_nolog(tcred->user->user_ns, CAP_SYS_PTRACE)) || -+ (log && ns_capable(tcred->user->user_ns, CAP_SYS_PTRACE))) - goto ok; - rcu_read_unlock(); - return -EPERM; -@@ -152,7 +154,9 @@ ok: - smp_rmb(); - if (task->mm) - dumpable = get_dumpable(task->mm); -- if (!dumpable && !task_ns_capable(task, CAP_SYS_PTRACE)) -+ if (!dumpable && -+ ((!log && !task_ns_capable_nolog(task, CAP_SYS_PTRACE)) || -+ (log && !task_ns_capable(task, CAP_SYS_PTRACE)))) - return -EPERM; - - return security_ptrace_access_check(task, mode); -@@ -162,7 +166,16 @@ bool ptrace_may_access(struct task_struc - { - int err; - task_lock(task); -- err = __ptrace_may_access(task, mode); -+ err = __ptrace_may_access(task, mode, 0); -+ task_unlock(task); -+ return !err; -+} -+ -+bool ptrace_may_access_log(struct task_struct *task, unsigned int mode) -+{ -+ int err; -+ task_lock(task); -+ err = __ptrace_may_access(task, mode, 1); - task_unlock(task); - return !err; - } -@@ -189,7 +202,7 @@ static int ptrace_attach(struct task_str - goto out; - - task_lock(task); -- retval = __ptrace_may_access(task, PTRACE_MODE_ATTACH); -+ retval = __ptrace_may_access(task, PTRACE_MODE_ATTACH, 1); - task_unlock(task); - if (retval) - goto unlock_creds; -@@ -202,7 +215,7 @@ static int ptrace_attach(struct task_str - goto unlock_tasklist; - - task->ptrace = PT_PTRACED; -- if (task_ns_capable(task, CAP_SYS_PTRACE)) -+ if (task_ns_capable_nolog(task, CAP_SYS_PTRACE)) - task->ptrace |= PT_PTRACE_CAP; - - __ptrace_link(task, current); -@@ -362,6 +375,8 @@ int ptrace_readdata(struct task_struct * - { - int copied = 0; - -+ pax_track_stack(); -+ - while (len > 0) { - char buf[128]; - int this_len, retval; -@@ -373,7 +388,7 @@ int ptrace_readdata(struct task_struct * - break; - return -EIO; - } -- if (copy_to_user(dst, buf, retval)) -+ if (retval > sizeof(buf) || copy_to_user(dst, buf, retval)) - return -EFAULT; - copied += retval; - src += retval; -@@ -387,6 +402,8 @@ int ptrace_writedata(struct task_struct - { - int copied = 0; - -+ pax_track_stack(); -+ - while (len > 0) { - char buf[128]; - int this_len, retval; -@@ -569,9 +586,11 @@ int ptrace_request(struct task_struct *c - { - int ret = -EIO; - siginfo_t siginfo; -- void __user *datavp = (void __user *) data; -+ void __user *datavp = (__force void __user *) data; - unsigned long __user *datalp = datavp; - -+ pax_track_stack(); -+ - switch (request) { - case PTRACE_PEEKTEXT: - case PTRACE_PEEKDATA: -@@ -717,14 +736,21 @@ SYSCALL_DEFINE4(ptrace, long, request, l - goto out; - } - -+ if (gr_handle_ptrace(child, request)) { -+ ret = -EPERM; -+ goto out_put_task_struct; -+ } -+ - if (request == PTRACE_ATTACH) { - ret = ptrace_attach(child); - /* - * Some architectures need to do book-keeping after - * a ptrace attach. - */ -- if (!ret) -+ if (!ret) { - arch_ptrace_attach(child); -+ gr_audit_ptrace(child); -+ } - goto out_put_task_struct; - } - -@@ -749,7 +775,7 @@ int generic_ptrace_peekdata(struct task_ - copied = access_process_vm(tsk, addr, &tmp, sizeof(tmp), 0); - if (copied != sizeof(tmp)) - return -EIO; -- return put_user(tmp, (unsigned long __user *)data); -+ return put_user(tmp, (__force unsigned long __user *)data); - } - - int generic_ptrace_pokedata(struct task_struct *tsk, unsigned long addr, -@@ -772,6 +798,8 @@ int compat_ptrace_request(struct task_st - siginfo_t siginfo; - int ret; - -+ pax_track_stack(); -+ - switch (request) { - case PTRACE_PEEKTEXT: - case PTRACE_PEEKDATA: -@@ -859,14 +887,21 @@ asmlinkage long compat_sys_ptrace(compat - goto out; - } - -+ if (gr_handle_ptrace(child, request)) { -+ ret = -EPERM; -+ goto out_put_task_struct; -+ } -+ - if (request == PTRACE_ATTACH) { - ret = ptrace_attach(child); - /* - * Some architectures need to do book-keeping after - * a ptrace attach. - */ -- if (!ret) -+ if (!ret) { - arch_ptrace_attach(child); -+ gr_audit_ptrace(child); -+ } - goto out_put_task_struct; - } - -diff -urNp linux-2.6.39.3/kernel/rcutorture.c linux-2.6.39.3/kernel/rcutorture.c ---- linux-2.6.39.3/kernel/rcutorture.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/kernel/rcutorture.c 2011-05-22 19:36:33.000000000 -0400 -@@ -138,12 +138,12 @@ static DEFINE_PER_CPU(long [RCU_TORTURE_ - { 0 }; - static DEFINE_PER_CPU(long [RCU_TORTURE_PIPE_LEN + 1], rcu_torture_batch) = - { 0 }; --static atomic_t rcu_torture_wcount[RCU_TORTURE_PIPE_LEN + 1]; --static atomic_t n_rcu_torture_alloc; --static atomic_t n_rcu_torture_alloc_fail; --static atomic_t n_rcu_torture_free; --static atomic_t n_rcu_torture_mberror; --static atomic_t n_rcu_torture_error; -+static atomic_unchecked_t rcu_torture_wcount[RCU_TORTURE_PIPE_LEN + 1]; -+static atomic_unchecked_t n_rcu_torture_alloc; -+static atomic_unchecked_t n_rcu_torture_alloc_fail; -+static atomic_unchecked_t n_rcu_torture_free; -+static atomic_unchecked_t n_rcu_torture_mberror; -+static atomic_unchecked_t n_rcu_torture_error; - static long n_rcu_torture_boost_ktrerror; - static long n_rcu_torture_boost_rterror; - static long n_rcu_torture_boost_allocerror; -@@ -225,11 +225,11 @@ rcu_torture_alloc(void) - - spin_lock_bh(&rcu_torture_lock); - if (list_empty(&rcu_torture_freelist)) { -- atomic_inc(&n_rcu_torture_alloc_fail); -+ atomic_inc_unchecked(&n_rcu_torture_alloc_fail); - spin_unlock_bh(&rcu_torture_lock); - return NULL; - } -- atomic_inc(&n_rcu_torture_alloc); -+ atomic_inc_unchecked(&n_rcu_torture_alloc); - p = rcu_torture_freelist.next; - list_del_init(p); - spin_unlock_bh(&rcu_torture_lock); -@@ -242,7 +242,7 @@ rcu_torture_alloc(void) - static void - rcu_torture_free(struct rcu_torture *p) - { -- atomic_inc(&n_rcu_torture_free); -+ atomic_inc_unchecked(&n_rcu_torture_free); - spin_lock_bh(&rcu_torture_lock); - list_add_tail(&p->rtort_free, &rcu_torture_freelist); - spin_unlock_bh(&rcu_torture_lock); -@@ -362,7 +362,7 @@ rcu_torture_cb(struct rcu_head *p) - i = rp->rtort_pipe_count; - if (i > RCU_TORTURE_PIPE_LEN) - i = RCU_TORTURE_PIPE_LEN; -- atomic_inc(&rcu_torture_wcount[i]); -+ atomic_inc_unchecked(&rcu_torture_wcount[i]); - if (++rp->rtort_pipe_count >= RCU_TORTURE_PIPE_LEN) { - rp->rtort_mbtest = 0; - rcu_torture_free(rp); -@@ -409,7 +409,7 @@ static void rcu_sync_torture_deferred_fr - i = rp->rtort_pipe_count; - if (i > RCU_TORTURE_PIPE_LEN) - i = RCU_TORTURE_PIPE_LEN; -- atomic_inc(&rcu_torture_wcount[i]); -+ atomic_inc_unchecked(&rcu_torture_wcount[i]); - if (++rp->rtort_pipe_count >= RCU_TORTURE_PIPE_LEN) { - rp->rtort_mbtest = 0; - list_del(&rp->rtort_free); -@@ -882,7 +882,7 @@ rcu_torture_writer(void *arg) - i = old_rp->rtort_pipe_count; - if (i > RCU_TORTURE_PIPE_LEN) - i = RCU_TORTURE_PIPE_LEN; -- atomic_inc(&rcu_torture_wcount[i]); -+ atomic_inc_unchecked(&rcu_torture_wcount[i]); - old_rp->rtort_pipe_count++; - cur_ops->deferred_free(old_rp); - } -@@ -951,7 +951,7 @@ static void rcu_torture_timer(unsigned l - return; - } - if (p->rtort_mbtest == 0) -- atomic_inc(&n_rcu_torture_mberror); -+ atomic_inc_unchecked(&n_rcu_torture_mberror); - spin_lock(&rand_lock); - cur_ops->read_delay(&rand); - n_rcu_torture_timers++; -@@ -1013,7 +1013,7 @@ rcu_torture_reader(void *arg) - continue; - } - if (p->rtort_mbtest == 0) -- atomic_inc(&n_rcu_torture_mberror); -+ atomic_inc_unchecked(&n_rcu_torture_mberror); - cur_ops->read_delay(&rand); - preempt_disable(); - pipe_count = p->rtort_pipe_count; -@@ -1072,10 +1072,10 @@ rcu_torture_printk(char *page) - rcu_torture_current, - rcu_torture_current_version, - list_empty(&rcu_torture_freelist), -- atomic_read(&n_rcu_torture_alloc), -- atomic_read(&n_rcu_torture_alloc_fail), -- atomic_read(&n_rcu_torture_free), -- atomic_read(&n_rcu_torture_mberror), -+ atomic_read_unchecked(&n_rcu_torture_alloc), -+ atomic_read_unchecked(&n_rcu_torture_alloc_fail), -+ atomic_read_unchecked(&n_rcu_torture_free), -+ atomic_read_unchecked(&n_rcu_torture_mberror), - n_rcu_torture_boost_ktrerror, - n_rcu_torture_boost_rterror, - n_rcu_torture_boost_allocerror, -@@ -1083,7 +1083,7 @@ rcu_torture_printk(char *page) - n_rcu_torture_boost_failure, - n_rcu_torture_boosts, - n_rcu_torture_timers); -- if (atomic_read(&n_rcu_torture_mberror) != 0 || -+ if (atomic_read_unchecked(&n_rcu_torture_mberror) != 0 || - n_rcu_torture_boost_ktrerror != 0 || - n_rcu_torture_boost_rterror != 0 || - n_rcu_torture_boost_allocerror != 0 || -@@ -1093,7 +1093,7 @@ rcu_torture_printk(char *page) - cnt += sprintf(&page[cnt], "\n%s%s ", torture_type, TORTURE_FLAG); - if (i > 1) { - cnt += sprintf(&page[cnt], "!!! "); -- atomic_inc(&n_rcu_torture_error); -+ atomic_inc_unchecked(&n_rcu_torture_error); - WARN_ON_ONCE(1); - } - cnt += sprintf(&page[cnt], "Reader Pipe: "); -@@ -1107,7 +1107,7 @@ rcu_torture_printk(char *page) - cnt += sprintf(&page[cnt], "Free-Block Circulation: "); - for (i = 0; i < RCU_TORTURE_PIPE_LEN + 1; i++) { - cnt += sprintf(&page[cnt], " %d", -- atomic_read(&rcu_torture_wcount[i])); -+ atomic_read_unchecked(&rcu_torture_wcount[i])); - } - cnt += sprintf(&page[cnt], "\n"); - if (cur_ops->stats) -@@ -1415,7 +1415,7 @@ rcu_torture_cleanup(void) - - if (cur_ops->cleanup) - cur_ops->cleanup(); -- if (atomic_read(&n_rcu_torture_error)) -+ if (atomic_read_unchecked(&n_rcu_torture_error)) - rcu_torture_print_module_parms(cur_ops, "End of test: FAILURE"); - else - rcu_torture_print_module_parms(cur_ops, "End of test: SUCCESS"); -@@ -1479,11 +1479,11 @@ rcu_torture_init(void) - - rcu_torture_current = NULL; - rcu_torture_current_version = 0; -- atomic_set(&n_rcu_torture_alloc, 0); -- atomic_set(&n_rcu_torture_alloc_fail, 0); -- atomic_set(&n_rcu_torture_free, 0); -- atomic_set(&n_rcu_torture_mberror, 0); -- atomic_set(&n_rcu_torture_error, 0); -+ atomic_set_unchecked(&n_rcu_torture_alloc, 0); -+ atomic_set_unchecked(&n_rcu_torture_alloc_fail, 0); -+ atomic_set_unchecked(&n_rcu_torture_free, 0); -+ atomic_set_unchecked(&n_rcu_torture_mberror, 0); -+ atomic_set_unchecked(&n_rcu_torture_error, 0); - n_rcu_torture_boost_ktrerror = 0; - n_rcu_torture_boost_rterror = 0; - n_rcu_torture_boost_allocerror = 0; -@@ -1491,7 +1491,7 @@ rcu_torture_init(void) - n_rcu_torture_boost_failure = 0; - n_rcu_torture_boosts = 0; - for (i = 0; i < RCU_TORTURE_PIPE_LEN + 1; i++) -- atomic_set(&rcu_torture_wcount[i], 0); -+ atomic_set_unchecked(&rcu_torture_wcount[i], 0); - for_each_possible_cpu(cpu) { - for (i = 0; i < RCU_TORTURE_PIPE_LEN + 1; i++) { - per_cpu(rcu_torture_count, cpu)[i] = 0; -diff -urNp linux-2.6.39.3/kernel/rcutree.c linux-2.6.39.3/kernel/rcutree.c ---- linux-2.6.39.3/kernel/rcutree.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/kernel/rcutree.c 2011-05-22 19:36:33.000000000 -0400 -@@ -1389,7 +1389,7 @@ __rcu_process_callbacks(struct rcu_state - /* - * Do softirq processing for the current CPU. - */ --static void rcu_process_callbacks(struct softirq_action *unused) -+static void rcu_process_callbacks(void) - { - /* - * Memory references from any prior RCU read-side critical sections -diff -urNp linux-2.6.39.3/kernel/rcutree_plugin.h linux-2.6.39.3/kernel/rcutree_plugin.h ---- linux-2.6.39.3/kernel/rcutree_plugin.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/kernel/rcutree_plugin.h 2011-05-22 19:36:33.000000000 -0400 -@@ -730,7 +730,7 @@ void synchronize_rcu_expedited(void) - - /* Clean up and exit. */ - smp_mb(); /* ensure expedited GP seen before counter increment. */ -- ACCESS_ONCE(sync_rcu_preempt_exp_count)++; -+ ACCESS_ONCE_RW(sync_rcu_preempt_exp_count)++; - unlock_mb_ret: - mutex_unlock(&sync_rcu_preempt_exp_mutex); - mb_ret: -@@ -1025,8 +1025,8 @@ EXPORT_SYMBOL_GPL(synchronize_sched_expe - - #else /* #ifndef CONFIG_SMP */ - --static atomic_t sync_sched_expedited_started = ATOMIC_INIT(0); --static atomic_t sync_sched_expedited_done = ATOMIC_INIT(0); -+static atomic_unchecked_t sync_sched_expedited_started = ATOMIC_INIT(0); -+static atomic_unchecked_t sync_sched_expedited_done = ATOMIC_INIT(0); - - static int synchronize_sched_expedited_cpu_stop(void *data) - { -@@ -1081,7 +1081,7 @@ void synchronize_sched_expedited(void) - int firstsnap, s, snap, trycount = 0; - - /* Note that atomic_inc_return() implies full memory barrier. */ -- firstsnap = snap = atomic_inc_return(&sync_sched_expedited_started); -+ firstsnap = snap = atomic_inc_return_unchecked(&sync_sched_expedited_started); - get_online_cpus(); - - /* -@@ -1102,7 +1102,7 @@ void synchronize_sched_expedited(void) - } - - /* Check to see if someone else did our work for us. */ -- s = atomic_read(&sync_sched_expedited_done); -+ s = atomic_read_unchecked(&sync_sched_expedited_done); - if (UINT_CMP_GE((unsigned)s, (unsigned)firstsnap)) { - smp_mb(); /* ensure test happens before caller kfree */ - return; -@@ -1117,7 +1117,7 @@ void synchronize_sched_expedited(void) - * grace period works for us. - */ - get_online_cpus(); -- snap = atomic_read(&sync_sched_expedited_started) - 1; -+ snap = atomic_read_unchecked(&sync_sched_expedited_started) - 1; - smp_mb(); /* ensure read is before try_stop_cpus(). */ - } - -@@ -1128,12 +1128,12 @@ void synchronize_sched_expedited(void) - * than we did beat us to the punch. - */ - do { -- s = atomic_read(&sync_sched_expedited_done); -+ s = atomic_read_unchecked(&sync_sched_expedited_done); - if (UINT_CMP_GE((unsigned)s, (unsigned)snap)) { - smp_mb(); /* ensure test happens before caller kfree */ - break; - } -- } while (atomic_cmpxchg(&sync_sched_expedited_done, s, snap) != s); -+ } while (atomic_cmpxchg_unchecked(&sync_sched_expedited_done, s, snap) != s); - - put_online_cpus(); - } -diff -urNp linux-2.6.39.3/kernel/relay.c linux-2.6.39.3/kernel/relay.c ---- linux-2.6.39.3/kernel/relay.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/kernel/relay.c 2011-05-22 19:36:33.000000000 -0400 -@@ -1236,6 +1236,8 @@ static ssize_t subbuf_splice_actor(struc - }; - ssize_t ret; - -+ pax_track_stack(); -+ - if (rbuf->subbufs_produced == rbuf->subbufs_consumed) - return 0; - if (splice_grow_spd(pipe, &spd)) -diff -urNp linux-2.6.39.3/kernel/resource.c linux-2.6.39.3/kernel/resource.c ---- linux-2.6.39.3/kernel/resource.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/kernel/resource.c 2011-05-22 19:41:42.000000000 -0400 -@@ -133,8 +133,18 @@ static const struct file_operations proc - - static int __init ioresources_init(void) - { -+#ifdef CONFIG_GRKERNSEC_PROC_ADD -+#ifdef CONFIG_GRKERNSEC_PROC_USER -+ proc_create("ioports", S_IRUSR, NULL, &proc_ioports_operations); -+ proc_create("iomem", S_IRUSR, NULL, &proc_iomem_operations); -+#elif defined(CONFIG_GRKERNSEC_PROC_USERGROUP) -+ proc_create("ioports", S_IRUSR | S_IRGRP, NULL, &proc_ioports_operations); -+ proc_create("iomem", S_IRUSR | S_IRGRP, NULL, &proc_iomem_operations); -+#endif -+#else - proc_create("ioports", 0, NULL, &proc_ioports_operations); - proc_create("iomem", 0, NULL, &proc_iomem_operations); -+#endif - return 0; - } - __initcall(ioresources_init); -diff -urNp linux-2.6.39.3/kernel/rtmutex-tester.c linux-2.6.39.3/kernel/rtmutex-tester.c ---- linux-2.6.39.3/kernel/rtmutex-tester.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/kernel/rtmutex-tester.c 2011-05-22 19:36:33.000000000 -0400 -@@ -20,7 +20,7 @@ - #define MAX_RT_TEST_MUTEXES 8 - - static spinlock_t rttest_lock; --static atomic_t rttest_event; -+static atomic_unchecked_t rttest_event; - - struct test_thread_data { - int opcode; -@@ -61,7 +61,7 @@ static int handle_op(struct test_thread_ - - case RTTEST_LOCKCONT: - td->mutexes[td->opdata] = 1; -- td->event = atomic_add_return(1, &rttest_event); -+ td->event = atomic_add_return_unchecked(1, &rttest_event); - return 0; - - case RTTEST_RESET: -@@ -74,7 +74,7 @@ static int handle_op(struct test_thread_ - return 0; - - case RTTEST_RESETEVENT: -- atomic_set(&rttest_event, 0); -+ atomic_set_unchecked(&rttest_event, 0); - return 0; - - default: -@@ -91,9 +91,9 @@ static int handle_op(struct test_thread_ - return ret; - - td->mutexes[id] = 1; -- td->event = atomic_add_return(1, &rttest_event); -+ td->event = atomic_add_return_unchecked(1, &rttest_event); - rt_mutex_lock(&mutexes[id]); -- td->event = atomic_add_return(1, &rttest_event); -+ td->event = atomic_add_return_unchecked(1, &rttest_event); - td->mutexes[id] = 4; - return 0; - -@@ -104,9 +104,9 @@ static int handle_op(struct test_thread_ - return ret; - - td->mutexes[id] = 1; -- td->event = atomic_add_return(1, &rttest_event); -+ td->event = atomic_add_return_unchecked(1, &rttest_event); - ret = rt_mutex_lock_interruptible(&mutexes[id], 0); -- td->event = atomic_add_return(1, &rttest_event); -+ td->event = atomic_add_return_unchecked(1, &rttest_event); - td->mutexes[id] = ret ? 0 : 4; - return ret ? -EINTR : 0; - -@@ -115,9 +115,9 @@ static int handle_op(struct test_thread_ - if (id < 0 || id >= MAX_RT_TEST_MUTEXES || td->mutexes[id] != 4) - return ret; - -- td->event = atomic_add_return(1, &rttest_event); -+ td->event = atomic_add_return_unchecked(1, &rttest_event); - rt_mutex_unlock(&mutexes[id]); -- td->event = atomic_add_return(1, &rttest_event); -+ td->event = atomic_add_return_unchecked(1, &rttest_event); - td->mutexes[id] = 0; - return 0; - -@@ -164,7 +164,7 @@ void schedule_rt_mutex_test(struct rt_mu - break; - - td->mutexes[dat] = 2; -- td->event = atomic_add_return(1, &rttest_event); -+ td->event = atomic_add_return_unchecked(1, &rttest_event); - break; - - default: -@@ -184,7 +184,7 @@ void schedule_rt_mutex_test(struct rt_mu - return; - - td->mutexes[dat] = 3; -- td->event = atomic_add_return(1, &rttest_event); -+ td->event = atomic_add_return_unchecked(1, &rttest_event); - break; - - case RTTEST_LOCKNOWAIT: -@@ -196,7 +196,7 @@ void schedule_rt_mutex_test(struct rt_mu - return; - - td->mutexes[dat] = 1; -- td->event = atomic_add_return(1, &rttest_event); -+ td->event = atomic_add_return_unchecked(1, &rttest_event); - return; - - default: -diff -urNp linux-2.6.39.3/kernel/sched_autogroup.c linux-2.6.39.3/kernel/sched_autogroup.c ---- linux-2.6.39.3/kernel/sched_autogroup.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/kernel/sched_autogroup.c 2011-05-22 19:36:33.000000000 -0400 -@@ -7,7 +7,7 @@ - - unsigned int __read_mostly sysctl_sched_autogroup_enabled = 1; - static struct autogroup autogroup_default; --static atomic_t autogroup_seq_nr; -+static atomic_unchecked_t autogroup_seq_nr; - - static void __init autogroup_init(struct task_struct *init_task) - { -@@ -78,7 +78,7 @@ static inline struct autogroup *autogrou - - kref_init(&ag->kref); - init_rwsem(&ag->lock); -- ag->id = atomic_inc_return(&autogroup_seq_nr); -+ ag->id = atomic_inc_return_unchecked(&autogroup_seq_nr); - ag->tg = tg; - #ifdef CONFIG_RT_GROUP_SCHED - /* -diff -urNp linux-2.6.39.3/kernel/sched.c linux-2.6.39.3/kernel/sched.c ---- linux-2.6.39.3/kernel/sched.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/kernel/sched.c 2011-05-23 17:07:00.000000000 -0400 -@@ -4078,6 +4078,8 @@ asmlinkage void __sched schedule(void) - struct rq *rq; - int cpu; - -+ pax_track_stack(); -+ - need_resched: - preempt_disable(); - cpu = smp_processor_id(); -@@ -4165,7 +4167,7 @@ EXPORT_SYMBOL(schedule); - * Look out! "owner" is an entirely speculative pointer - * access and not reliable. - */ --int mutex_spin_on_owner(struct mutex *lock, struct thread_info *owner) -+int mutex_spin_on_owner(struct mutex *lock, struct task_struct *owner) - { - unsigned int cpu; - struct rq *rq; -@@ -4179,10 +4181,10 @@ int mutex_spin_on_owner(struct mutex *lo - * DEBUG_PAGEALLOC could have unmapped it if - * the mutex owner just released it and exited. - */ -- if (probe_kernel_address(&owner->cpu, cpu)) -+ if (probe_kernel_address(&task_thread_info(owner)->cpu, cpu)) - return 0; - #else -- cpu = owner->cpu; -+ cpu = task_thread_info(owner)->cpu; - #endif - - /* -@@ -4219,7 +4221,7 @@ int mutex_spin_on_owner(struct mutex *lo - /* - * Is that owner really running on that cpu? - */ -- if (task_thread_info(rq->curr) != owner || need_resched()) -+ if (rq->curr != owner || need_resched()) - return 0; - - arch_mutex_cpu_relax(); -@@ -4778,6 +4780,8 @@ int can_nice(const struct task_struct *p - /* convert nice value [19,-20] to rlimit style value [1,40] */ - int nice_rlim = 20 - nice; - -+ gr_learn_resource(p, RLIMIT_NICE, nice_rlim, 1); -+ - return (nice_rlim <= task_rlimit(p, RLIMIT_NICE) || - capable(CAP_SYS_NICE)); - } -@@ -4811,7 +4815,8 @@ SYSCALL_DEFINE1(nice, int, increment) - if (nice > 19) - nice = 19; - -- if (increment < 0 && !can_nice(current, nice)) -+ if (increment < 0 && (!can_nice(current, nice) || -+ gr_handle_chroot_nice())) - return -EPERM; - - retval = security_task_setnice(current, nice); -@@ -4957,6 +4962,7 @@ recheck: - unsigned long rlim_rtprio = - task_rlimit(p, RLIMIT_RTPRIO); - -+ gr_learn_resource(p, RLIMIT_RTPRIO, param->sched_priority, 1); - /* can't set/change the rt policy */ - if (policy != p->policy && !rlim_rtprio) - return -EPERM; -@@ -7164,7 +7170,7 @@ static void init_sched_groups_power(int - long power; - int weight; - -- WARN_ON(!sd || !sd->groups); -+ BUG_ON(!sd || !sd->groups); - - if (cpu != group_first_cpu(sd->groups)) - return; -diff -urNp linux-2.6.39.3/kernel/sched_fair.c linux-2.6.39.3/kernel/sched_fair.c ---- linux-2.6.39.3/kernel/sched_fair.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/kernel/sched_fair.c 2011-05-22 19:36:33.000000000 -0400 -@@ -3999,7 +3999,7 @@ static void nohz_idle_balance(int this_c - * run_rebalance_domains is triggered when needed from the scheduler tick. - * Also triggered for nohz idle balancing (with nohz_balancing_kick set). - */ --static void run_rebalance_domains(struct softirq_action *h) -+static void run_rebalance_domains(void) - { - int this_cpu = smp_processor_id(); - struct rq *this_rq = cpu_rq(this_cpu); -diff -urNp linux-2.6.39.3/kernel/signal.c linux-2.6.39.3/kernel/signal.c ---- linux-2.6.39.3/kernel/signal.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/kernel/signal.c 2011-07-14 21:03:15.000000000 -0400 -@@ -45,12 +45,12 @@ static struct kmem_cache *sigqueue_cache - - int print_fatal_signals __read_mostly; - --static void __user *sig_handler(struct task_struct *t, int sig) -+static __sighandler_t sig_handler(struct task_struct *t, int sig) - { - return t->sighand->action[sig - 1].sa.sa_handler; - } - --static int sig_handler_ignored(void __user *handler, int sig) -+static int sig_handler_ignored(__sighandler_t handler, int sig) - { - /* Is it explicitly or implicitly ignored? */ - return handler == SIG_IGN || -@@ -60,7 +60,7 @@ static int sig_handler_ignored(void __us - static int sig_task_ignored(struct task_struct *t, int sig, - int from_ancestor_ns) - { -- void __user *handler; -+ __sighandler_t handler; - - handler = sig_handler(t, sig); - -@@ -243,6 +243,9 @@ __sigqueue_alloc(int sig, struct task_st - atomic_inc(&user->sigpending); - rcu_read_unlock(); - -+ if (!override_rlimit) -+ gr_learn_resource(t, RLIMIT_SIGPENDING, atomic_read(&user->sigpending), 1); -+ - if (override_rlimit || - atomic_read(&user->sigpending) <= - task_rlimit(t, RLIMIT_SIGPENDING)) { -@@ -367,7 +370,7 @@ flush_signal_handlers(struct task_struct - - int unhandled_signal(struct task_struct *tsk, int sig) - { -- void __user *handler = tsk->sighand->action[sig-1].sa.sa_handler; -+ __sighandler_t handler = tsk->sighand->action[sig-1].sa.sa_handler; - if (is_global_init(tsk)) - return 1; - if (handler != SIG_IGN && handler != SIG_DFL) -@@ -693,6 +696,12 @@ static int check_kill_permission(int sig - } - } - -+ /* allow glibc communication via tgkill to other threads in our -+ thread group */ -+ if ((info->si_code != SI_TKILL || sig != (SIGRTMIN+1) || -+ task_tgid_vnr(t) != info->si_pid) && gr_handle_signal(t, sig)) -+ return -EPERM; -+ - return security_task_kill(t, info, sig, 0); - } - -@@ -1041,7 +1050,7 @@ __group_send_sig_info(int sig, struct si - return send_signal(sig, info, p, 1); - } - --static int -+int - specific_send_sig_info(int sig, struct siginfo *info, struct task_struct *t) - { - return send_signal(sig, info, t, 0); -@@ -1078,6 +1087,7 @@ force_sig_info(int sig, struct siginfo * - unsigned long int flags; - int ret, blocked, ignored; - struct k_sigaction *action; -+ int is_unhandled = 0; - - spin_lock_irqsave(&t->sighand->siglock, flags); - action = &t->sighand->action[sig-1]; -@@ -1092,9 +1102,18 @@ force_sig_info(int sig, struct siginfo * - } - if (action->sa.sa_handler == SIG_DFL) - t->signal->flags &= ~SIGNAL_UNKILLABLE; -+ if (action->sa.sa_handler == SIG_IGN || action->sa.sa_handler == SIG_DFL) -+ is_unhandled = 1; - ret = specific_send_sig_info(sig, info, t); - spin_unlock_irqrestore(&t->sighand->siglock, flags); - -+ /* only deal with unhandled signals, java etc trigger SIGSEGV during -+ normal operation */ -+ if (is_unhandled) { -+ gr_log_signal(sig, !is_si_special(info) ? info->si_addr : NULL, t); -+ gr_handle_crash(t, sig); -+ } -+ - return ret; - } - -@@ -1153,8 +1172,11 @@ int group_send_sig_info(int sig, struct - ret = check_kill_permission(sig, info, p); - rcu_read_unlock(); - -- if (!ret && sig) -+ if (!ret && sig) { - ret = do_send_sig_info(sig, info, p, true); -+ if (!ret) -+ gr_log_signal(sig, !is_si_special(info) ? info->si_addr : NULL, p); -+ } - - return ret; - } -@@ -1718,6 +1740,8 @@ void ptrace_notify(int exit_code) - { - siginfo_t info; - -+ pax_track_stack(); -+ - BUG_ON((exit_code & (0x7f | ~0xffff)) != SIGTRAP); - - memset(&info, 0, sizeof info); -@@ -2393,7 +2417,15 @@ do_send_specific(pid_t tgid, pid_t pid, - int error = -ESRCH; - - rcu_read_lock(); -- p = find_task_by_vpid(pid); -+#ifdef CONFIG_GRKERNSEC_CHROOT_FINDTASK -+ /* allow glibc communication via tgkill to other threads in our -+ thread group */ -+ if (grsec_enable_chroot_findtask && info->si_code == SI_TKILL && -+ sig == (SIGRTMIN+1) && tgid == info->si_pid) -+ p = find_task_by_vpid_unrestricted(pid); -+ else -+#endif -+ p = find_task_by_vpid(pid); - if (p && (tgid <= 0 || task_tgid_vnr(p) == tgid)) { - error = check_kill_permission(sig, info, p); - /* -diff -urNp linux-2.6.39.3/kernel/smp.c linux-2.6.39.3/kernel/smp.c ---- linux-2.6.39.3/kernel/smp.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/kernel/smp.c 2011-05-22 19:36:33.000000000 -0400 -@@ -583,22 +583,22 @@ int smp_call_function(smp_call_func_t fu - } - EXPORT_SYMBOL(smp_call_function); - --void ipi_call_lock(void) -+void ipi_call_lock(void) __acquires(call_function.lock) - { - raw_spin_lock(&call_function.lock); - } - --void ipi_call_unlock(void) -+void ipi_call_unlock(void) __releases(call_function.lock) - { - raw_spin_unlock(&call_function.lock); - } - --void ipi_call_lock_irq(void) -+void ipi_call_lock_irq(void) __acquires(call_function.lock) - { - raw_spin_lock_irq(&call_function.lock); - } - --void ipi_call_unlock_irq(void) -+void ipi_call_unlock_irq(void) __releases(call_function.lock) - { - raw_spin_unlock_irq(&call_function.lock); - } -diff -urNp linux-2.6.39.3/kernel/softirq.c linux-2.6.39.3/kernel/softirq.c ---- linux-2.6.39.3/kernel/softirq.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/kernel/softirq.c 2011-05-22 19:36:33.000000000 -0400 -@@ -56,7 +56,7 @@ static struct softirq_action softirq_vec - - DEFINE_PER_CPU(struct task_struct *, ksoftirqd); - --char *softirq_to_name[NR_SOFTIRQS] = { -+const char * const softirq_to_name[NR_SOFTIRQS] = { - "HI", "TIMER", "NET_TX", "NET_RX", "BLOCK", "BLOCK_IOPOLL", - "TASKLET", "SCHED", "HRTIMER", "RCU" - }; -@@ -206,7 +206,7 @@ EXPORT_SYMBOL(local_bh_enable_ip); - - asmlinkage void __do_softirq(void) - { -- struct softirq_action *h; -+ const struct softirq_action *h; - __u32 pending; - int max_restart = MAX_SOFTIRQ_RESTART; - int cpu; -@@ -235,7 +235,7 @@ restart: - kstat_incr_softirqs_this_cpu(vec_nr); - - trace_softirq_entry(vec_nr); -- h->action(h); -+ h->action(); - trace_softirq_exit(vec_nr); - if (unlikely(prev_count != preempt_count())) { - printk(KERN_ERR "huh, entered softirq %u %s %p" -@@ -377,7 +377,7 @@ void raise_softirq(unsigned int nr) - local_irq_restore(flags); - } - --void open_softirq(int nr, void (*action)(struct softirq_action *)) -+void open_softirq(int nr, void (*action)(void)) - { - softirq_vec[nr].action = action; - } -@@ -433,7 +433,7 @@ void __tasklet_hi_schedule_first(struct - - EXPORT_SYMBOL(__tasklet_hi_schedule_first); - --static void tasklet_action(struct softirq_action *a) -+static void tasklet_action(void) - { - struct tasklet_struct *list; - -@@ -468,7 +468,7 @@ static void tasklet_action(struct softir - } - } - --static void tasklet_hi_action(struct softirq_action *a) -+static void tasklet_hi_action(void) - { - struct tasklet_struct *list; - -diff -urNp linux-2.6.39.3/kernel/sys.c linux-2.6.39.3/kernel/sys.c ---- linux-2.6.39.3/kernel/sys.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/kernel/sys.c 2011-05-22 21:08:10.000000000 -0400 -@@ -154,6 +154,12 @@ static int set_one_prio(struct task_stru - error = -EACCES; - goto out; - } -+ -+ if (gr_handle_chroot_setpriority(p, niceval)) { -+ error = -EACCES; -+ goto out; -+ } -+ - no_nice = security_task_setnice(p, niceval); - if (no_nice) { - error = no_nice; -@@ -538,6 +544,9 @@ SYSCALL_DEFINE2(setregid, gid_t, rgid, g - goto error; - } - -+ if (gr_check_group_change(new->gid, new->egid, -1)) -+ goto error; -+ - if (rgid != (gid_t) -1 || - (egid != (gid_t) -1 && egid != old->gid)) - new->sgid = new->egid; -@@ -567,6 +576,10 @@ SYSCALL_DEFINE1(setgid, gid_t, gid) - old = current_cred(); - - retval = -EPERM; -+ -+ if (gr_check_group_change(gid, gid, gid)) -+ goto error; -+ - if (nsown_capable(CAP_SETGID)) - new->gid = new->egid = new->sgid = new->fsgid = gid; - else if (gid == old->gid || gid == old->sgid) -@@ -647,6 +660,9 @@ SYSCALL_DEFINE2(setreuid, uid_t, ruid, u - goto error; - } - -+ if (gr_check_user_change(new->uid, new->euid, -1)) -+ goto error; -+ - if (new->uid != old->uid) { - retval = set_user(new); - if (retval < 0) -@@ -691,6 +707,12 @@ SYSCALL_DEFINE1(setuid, uid_t, uid) - old = current_cred(); - - retval = -EPERM; -+ -+ if (gr_check_crash_uid(uid)) -+ goto error; -+ if (gr_check_user_change(uid, uid, uid)) -+ goto error; -+ - if (nsown_capable(CAP_SETUID)) { - new->suid = new->uid = uid; - if (uid != old->uid) { -@@ -745,6 +767,9 @@ SYSCALL_DEFINE3(setresuid, uid_t, ruid, - goto error; - } - -+ if (gr_check_user_change(ruid, euid, -1)) -+ goto error; -+ - if (ruid != (uid_t) -1) { - new->uid = ruid; - if (ruid != old->uid) { -@@ -809,6 +834,9 @@ SYSCALL_DEFINE3(setresgid, gid_t, rgid, - goto error; - } - -+ if (gr_check_group_change(rgid, egid, -1)) -+ goto error; -+ - if (rgid != (gid_t) -1) - new->gid = rgid; - if (egid != (gid_t) -1) -@@ -855,6 +883,9 @@ SYSCALL_DEFINE1(setfsuid, uid_t, uid) - old = current_cred(); - old_fsuid = old->fsuid; - -+ if (gr_check_user_change(-1, -1, uid)) -+ goto error; -+ - if (uid == old->uid || uid == old->euid || - uid == old->suid || uid == old->fsuid || - nsown_capable(CAP_SETUID)) { -@@ -865,6 +896,7 @@ SYSCALL_DEFINE1(setfsuid, uid_t, uid) - } - } - -+error: - abort_creds(new); - return old_fsuid; - -@@ -891,12 +923,16 @@ SYSCALL_DEFINE1(setfsgid, gid_t, gid) - if (gid == old->gid || gid == old->egid || - gid == old->sgid || gid == old->fsgid || - nsown_capable(CAP_SETGID)) { -+ if (gr_check_group_change(-1, -1, gid)) -+ goto error; -+ - if (gid != old_fsgid) { - new->fsgid = gid; - goto change_okay; - } - } - -+error: - abort_creds(new); - return old_fsgid; - -@@ -1643,7 +1679,7 @@ SYSCALL_DEFINE5(prctl, int, option, unsi - error = get_dumpable(me->mm); - break; - case PR_SET_DUMPABLE: -- if (arg2 < 0 || arg2 > 1) { -+ if (arg2 > 1) { - error = -EINVAL; - break; - } -diff -urNp linux-2.6.39.3/kernel/sysctl.c linux-2.6.39.3/kernel/sysctl.c ---- linux-2.6.39.3/kernel/sysctl.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/kernel/sysctl.c 2011-05-22 20:23:10.000000000 -0400 -@@ -84,6 +84,13 @@ - - - #if defined(CONFIG_SYSCTL) -+#include <linux/grsecurity.h> -+#include <linux/grinternal.h> -+ -+extern __u32 gr_handle_sysctl(const ctl_table *table, const int op); -+extern int gr_handle_sysctl_mod(const char *dirname, const char *name, -+ const int op); -+extern int gr_handle_chroot_sysctl(const int op); - - /* External variables not in a header file. */ - extern int sysctl_overcommit_memory; -@@ -196,6 +203,7 @@ static int sysrq_sysctl_handler(ctl_tabl - } - - #endif -+extern struct ctl_table grsecurity_table[]; - - static struct ctl_table root_table[]; - static struct ctl_table_root sysctl_table_root; -@@ -225,6 +233,20 @@ extern struct ctl_table epoll_table[]; - int sysctl_legacy_va_layout; - #endif - -+#ifdef CONFIG_PAX_SOFTMODE -+static ctl_table pax_table[] = { -+ { -+ .procname = "softmode", -+ .data = &pax_softmode, -+ .maxlen = sizeof(unsigned int), -+ .mode = 0600, -+ .proc_handler = &proc_dointvec, -+ }, -+ -+ { } -+}; -+#endif -+ - /* The default sysctl tables: */ - - static struct ctl_table root_table[] = { -@@ -271,6 +293,22 @@ static int max_extfrag_threshold = 1000; - #endif - - static struct ctl_table kern_table[] = { -+#if defined(CONFIG_GRKERNSEC_SYSCTL) || defined(CONFIG_GRKERNSEC_ROFS) -+ { -+ .procname = "grsecurity", -+ .mode = 0500, -+ .child = grsecurity_table, -+ }, -+#endif -+ -+#ifdef CONFIG_PAX_SOFTMODE -+ { -+ .procname = "pax", -+ .mode = 0500, -+ .child = pax_table, -+ }, -+#endif -+ - { - .procname = "sched_child_runs_first", - .data = &sysctl_sched_child_runs_first, -@@ -545,7 +583,7 @@ static struct ctl_table kern_table[] = { - .data = &modprobe_path, - .maxlen = KMOD_PATH_LEN, - .mode = 0644, -- .proc_handler = proc_dostring, -+ .proc_handler = proc_dostring_modpriv, - }, - { - .procname = "modules_disabled", -@@ -707,16 +745,20 @@ static struct ctl_table kern_table[] = { - .extra1 = &zero, - .extra2 = &one, - }, -+#endif - { - .procname = "kptr_restrict", - .data = &kptr_restrict, - .maxlen = sizeof(int), - .mode = 0644, - .proc_handler = proc_dmesg_restrict, -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+ .extra1 = &two, -+#else - .extra1 = &zero, -+#endif - .extra2 = &two, - }, --#endif - { - .procname = "ngroups_max", - .data = &ngroups_max, -@@ -1189,6 +1231,13 @@ static struct ctl_table vm_table[] = { - .proc_handler = proc_dointvec_minmax, - .extra1 = &zero, - }, -+ { -+ .procname = "heap_stack_gap", -+ .data = &sysctl_heap_stack_gap, -+ .maxlen = sizeof(sysctl_heap_stack_gap), -+ .mode = 0644, -+ .proc_handler = proc_doulongvec_minmax, -+ }, - #else - { - .procname = "nr_trim_pages", -@@ -1698,6 +1747,17 @@ static int test_perm(int mode, int op) - int sysctl_perm(struct ctl_table_root *root, struct ctl_table *table, int op) - { - int mode; -+ int error; -+ -+ if (table->parent != NULL && table->parent->procname != NULL && -+ table->procname != NULL && -+ gr_handle_sysctl_mod(table->parent->procname, table->procname, op)) -+ return -EACCES; -+ if (gr_handle_chroot_sysctl(op)) -+ return -EACCES; -+ error = gr_handle_sysctl(table, op); -+ if (error) -+ return error; - - if (root->permissions) - mode = root->permissions(root, current->nsproxy, table); -@@ -2102,6 +2162,16 @@ int proc_dostring(struct ctl_table *tabl - buffer, lenp, ppos); - } - -+int proc_dostring_modpriv(struct ctl_table *table, int write, -+ void __user *buffer, size_t *lenp, loff_t *ppos) -+{ -+ if (write && !capable(CAP_SYS_MODULE)) -+ return -EPERM; -+ -+ return _proc_do_string(table->data, table->maxlen, write, -+ buffer, lenp, ppos); -+} -+ - static size_t proc_skip_spaces(char **buf) - { - size_t ret; -@@ -2207,6 +2277,8 @@ static int proc_put_long(void __user **b - len = strlen(tmp); - if (len > *size) - len = *size; -+ if (len > sizeof(tmp)) -+ len = sizeof(tmp); - if (copy_to_user(*buf, tmp, len)) - return -EFAULT; - *size -= len; -@@ -2523,8 +2595,11 @@ static int __do_proc_doulongvec_minmax(v - *i = val; - } else { - val = convdiv * (*i) / convmul; -- if (!first) -+ if (!first) { - err = proc_put_char(&buffer, &left, '\t'); -+ if (err) -+ break; -+ } - err = proc_put_long(&buffer, &left, val, false); - if (err) - break; -@@ -2919,6 +2994,12 @@ int proc_dostring(struct ctl_table *tabl - return -ENOSYS; - } - -+int proc_dostring_modpriv(struct ctl_table *table, int write, -+ void __user *buffer, size_t *lenp, loff_t *ppos) -+{ -+ return -ENOSYS; -+} -+ - int proc_dointvec(struct ctl_table *table, int write, - void __user *buffer, size_t *lenp, loff_t *ppos) - { -@@ -2975,6 +3056,7 @@ EXPORT_SYMBOL(proc_dointvec_minmax); - EXPORT_SYMBOL(proc_dointvec_userhz_jiffies); - EXPORT_SYMBOL(proc_dointvec_ms_jiffies); - EXPORT_SYMBOL(proc_dostring); -+EXPORT_SYMBOL(proc_dostring_modpriv); - EXPORT_SYMBOL(proc_doulongvec_minmax); - EXPORT_SYMBOL(proc_doulongvec_ms_jiffies_minmax); - EXPORT_SYMBOL(register_sysctl_table); -diff -urNp linux-2.6.39.3/kernel/sysctl_check.c linux-2.6.39.3/kernel/sysctl_check.c ---- linux-2.6.39.3/kernel/sysctl_check.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/kernel/sysctl_check.c 2011-05-22 19:41:42.000000000 -0400 -@@ -129,6 +129,7 @@ int sysctl_check_table(struct nsproxy *n - set_fail(&fail, table, "Directory with extra2"); - } else { - if ((table->proc_handler == proc_dostring) || -+ (table->proc_handler == proc_dostring_modpriv) || - (table->proc_handler == proc_dointvec) || - (table->proc_handler == proc_dointvec_minmax) || - (table->proc_handler == proc_dointvec_jiffies) || -diff -urNp linux-2.6.39.3/kernel/taskstats.c linux-2.6.39.3/kernel/taskstats.c ---- linux-2.6.39.3/kernel/taskstats.c 2011-07-09 09:18:51.000000000 -0400 -+++ linux-2.6.39.3/kernel/taskstats.c 2011-07-09 09:19:24.000000000 -0400 -@@ -27,9 +27,12 @@ - #include <linux/cgroup.h> - #include <linux/fs.h> - #include <linux/file.h> -+#include <linux/grsecurity.h> - #include <net/genetlink.h> - #include <asm/atomic.h> - -+extern int gr_is_taskstats_denied(int pid); -+ - /* - * Maximum length of a cpumask that can be specified in - * the TASKSTATS_CMD_ATTR_REGISTER/DEREGISTER_CPUMASK attribute -@@ -558,6 +561,9 @@ err: - - static int taskstats_user_cmd(struct sk_buff *skb, struct genl_info *info) - { -+ if (gr_is_taskstats_denied(current->pid)) -+ return -EACCES; -+ - if (info->attrs[TASKSTATS_CMD_ATTR_REGISTER_CPUMASK]) - return cmd_attr_register_cpumask(info); - else if (info->attrs[TASKSTATS_CMD_ATTR_DEREGISTER_CPUMASK]) -diff -urNp linux-2.6.39.3/kernel/time/posix-clock.c linux-2.6.39.3/kernel/time/posix-clock.c ---- linux-2.6.39.3/kernel/time/posix-clock.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/kernel/time/posix-clock.c 2011-05-22 19:36:33.000000000 -0400 -@@ -433,7 +433,7 @@ static int pc_timer_settime(struct k_iti - return err; - } - --struct k_clock clock_posix_dynamic = { -+const struct k_clock clock_posix_dynamic = { - .clock_getres = pc_clock_getres, - .clock_set = pc_clock_settime, - .clock_get = pc_clock_gettime, -diff -urNp linux-2.6.39.3/kernel/time/tick-broadcast.c linux-2.6.39.3/kernel/time/tick-broadcast.c ---- linux-2.6.39.3/kernel/time/tick-broadcast.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/kernel/time/tick-broadcast.c 2011-05-22 19:36:33.000000000 -0400 -@@ -115,7 +115,7 @@ int tick_device_uses_broadcast(struct cl - * then clear the broadcast bit. - */ - if (!(dev->features & CLOCK_EVT_FEAT_C3STOP)) { -- int cpu = smp_processor_id(); -+ cpu = smp_processor_id(); - - cpumask_clear_cpu(cpu, tick_get_broadcast_mask()); - tick_broadcast_clear_oneshot(cpu); -diff -urNp linux-2.6.39.3/kernel/time/timekeeping.c linux-2.6.39.3/kernel/time/timekeeping.c ---- linux-2.6.39.3/kernel/time/timekeeping.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/kernel/time/timekeeping.c 2011-05-22 20:40:50.000000000 -0400 -@@ -14,6 +14,7 @@ - #include <linux/init.h> - #include <linux/mm.h> - #include <linux/sched.h> -+#include <linux/grsecurity.h> - #include <linux/syscore_ops.h> - #include <linux/clocksource.h> - #include <linux/jiffies.h> -@@ -361,6 +362,8 @@ int do_settimeofday(const struct timespe - if ((unsigned long)tv->tv_nsec >= NSEC_PER_SEC) - return -EINVAL; - -+ gr_log_timechange(); -+ - write_seqlock_irqsave(&xtime_lock, flags); - - timekeeping_forward_now(); -diff -urNp linux-2.6.39.3/kernel/time/timer_list.c linux-2.6.39.3/kernel/time/timer_list.c ---- linux-2.6.39.3/kernel/time/timer_list.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/kernel/time/timer_list.c 2011-05-22 19:41:42.000000000 -0400 -@@ -38,12 +38,16 @@ DECLARE_PER_CPU(struct hrtimer_cpu_base, - - static void print_name_offset(struct seq_file *m, void *sym) - { -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+ SEQ_printf(m, "<%p>", NULL); -+#else - char symname[KSYM_NAME_LEN]; - - if (lookup_symbol_name((unsigned long)sym, symname) < 0) - SEQ_printf(m, "<%pK>", sym); - else - SEQ_printf(m, "%s", symname); -+#endif - } - - static void -@@ -112,7 +116,11 @@ next_one: - static void - print_base(struct seq_file *m, struct hrtimer_clock_base *base, u64 now) - { -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+ SEQ_printf(m, " .base: %p\n", NULL); -+#else - SEQ_printf(m, " .base: %pK\n", base); -+#endif - SEQ_printf(m, " .index: %d\n", - base->index); - SEQ_printf(m, " .resolution: %Lu nsecs\n", -@@ -293,7 +301,11 @@ static int __init init_timer_list_procfs - { - struct proc_dir_entry *pe; - -+#ifdef CONFIG_GRKERNSEC_PROC_ADD -+ pe = proc_create("timer_list", 0400, NULL, &timer_list_fops); -+#else - pe = proc_create("timer_list", 0444, NULL, &timer_list_fops); -+#endif - if (!pe) - return -ENOMEM; - return 0; -diff -urNp linux-2.6.39.3/kernel/time/timer_stats.c linux-2.6.39.3/kernel/time/timer_stats.c ---- linux-2.6.39.3/kernel/time/timer_stats.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/kernel/time/timer_stats.c 2011-05-22 19:41:42.000000000 -0400 -@@ -116,7 +116,7 @@ static ktime_t time_start, time_stop; - static unsigned long nr_entries; - static struct entry entries[MAX_ENTRIES]; - --static atomic_t overflow_count; -+static atomic_unchecked_t overflow_count; - - /* - * The entries are in a hash-table, for fast lookup: -@@ -140,7 +140,7 @@ static void reset_entries(void) - nr_entries = 0; - memset(entries, 0, sizeof(entries)); - memset(tstat_hash_table, 0, sizeof(tstat_hash_table)); -- atomic_set(&overflow_count, 0); -+ atomic_set_unchecked(&overflow_count, 0); - } - - static struct entry *alloc_entry(void) -@@ -261,7 +261,7 @@ void timer_stats_update_stats(void *time - if (likely(entry)) - entry->count++; - else -- atomic_inc(&overflow_count); -+ atomic_inc_unchecked(&overflow_count); - - out_unlock: - raw_spin_unlock_irqrestore(lock, flags); -@@ -269,12 +269,16 @@ void timer_stats_update_stats(void *time - - static void print_name_offset(struct seq_file *m, unsigned long addr) - { -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+ seq_printf(m, "<%p>", NULL); -+#else - char symname[KSYM_NAME_LEN]; - - if (lookup_symbol_name(addr, symname) < 0) - seq_printf(m, "<%p>", (void *)addr); - else - seq_printf(m, "%s", symname); -+#endif - } - - static int tstats_show(struct seq_file *m, void *v) -@@ -300,9 +304,9 @@ static int tstats_show(struct seq_file * - - seq_puts(m, "Timer Stats Version: v0.2\n"); - seq_printf(m, "Sample period: %ld.%03ld s\n", period.tv_sec, ms); -- if (atomic_read(&overflow_count)) -+ if (atomic_read_unchecked(&overflow_count)) - seq_printf(m, "Overflow: %d entries\n", -- atomic_read(&overflow_count)); -+ atomic_read_unchecked(&overflow_count)); - - for (i = 0; i < nr_entries; i++) { - entry = entries + i; -@@ -417,7 +421,11 @@ static int __init init_tstats_procfs(voi - { - struct proc_dir_entry *pe; - -+#ifdef CONFIG_GRKERNSEC_PROC_ADD -+ pe = proc_create("timer_stats", 0600, NULL, &tstats_fops); -+#else - pe = proc_create("timer_stats", 0644, NULL, &tstats_fops); -+#endif - if (!pe) - return -ENOMEM; - return 0; -diff -urNp linux-2.6.39.3/kernel/time.c linux-2.6.39.3/kernel/time.c ---- linux-2.6.39.3/kernel/time.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/kernel/time.c 2011-05-22 19:41:42.000000000 -0400 -@@ -163,6 +163,11 @@ int do_sys_settimeofday(const struct tim - return error; - - if (tz) { -+ /* we log in do_settimeofday called below, so don't log twice -+ */ -+ if (!tv) -+ gr_log_timechange(); -+ - /* SMP safe, global irq locking makes it work. */ - sys_tz = *tz; - update_vsyscall_tz(); -diff -urNp linux-2.6.39.3/kernel/timer.c linux-2.6.39.3/kernel/timer.c ---- linux-2.6.39.3/kernel/timer.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/kernel/timer.c 2011-05-22 19:36:33.000000000 -0400 -@@ -1305,7 +1305,7 @@ void update_process_times(int user_tick) - /* - * This function runs timers and the timer-tq in bottom half context. - */ --static void run_timer_softirq(struct softirq_action *h) -+static void run_timer_softirq(void) - { - struct tvec_base *base = __this_cpu_read(tvec_bases); - -diff -urNp linux-2.6.39.3/kernel/trace/blktrace.c linux-2.6.39.3/kernel/trace/blktrace.c ---- linux-2.6.39.3/kernel/trace/blktrace.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/kernel/trace/blktrace.c 2011-05-22 19:36:33.000000000 -0400 -@@ -321,7 +321,7 @@ static ssize_t blk_dropped_read(struct f - struct blk_trace *bt = filp->private_data; - char buf[16]; - -- snprintf(buf, sizeof(buf), "%u\n", atomic_read(&bt->dropped)); -+ snprintf(buf, sizeof(buf), "%u\n", atomic_read_unchecked(&bt->dropped)); - - return simple_read_from_buffer(buffer, count, ppos, buf, strlen(buf)); - } -@@ -386,7 +386,7 @@ static int blk_subbuf_start_callback(str - return 1; - - bt = buf->chan->private_data; -- atomic_inc(&bt->dropped); -+ atomic_inc_unchecked(&bt->dropped); - return 0; - } - -@@ -487,7 +487,7 @@ int do_blk_trace_setup(struct request_qu - - bt->dir = dir; - bt->dev = dev; -- atomic_set(&bt->dropped, 0); -+ atomic_set_unchecked(&bt->dropped, 0); - - ret = -EIO; - bt->dropped_file = debugfs_create_file("dropped", 0444, dir, bt, -diff -urNp linux-2.6.39.3/kernel/trace/ftrace.c linux-2.6.39.3/kernel/trace/ftrace.c ---- linux-2.6.39.3/kernel/trace/ftrace.c 2011-06-03 00:04:14.000000000 -0400 -+++ linux-2.6.39.3/kernel/trace/ftrace.c 2011-06-03 00:32:08.000000000 -0400 -@@ -1107,13 +1107,18 @@ ftrace_code_disable(struct module *mod, - - ip = rec->ip; - -+ ret = ftrace_arch_code_modify_prepare(); -+ FTRACE_WARN_ON(ret); -+ if (ret) -+ return 0; -+ - ret = ftrace_make_nop(mod, rec, MCOUNT_ADDR); -+ FTRACE_WARN_ON(ftrace_arch_code_modify_post_process()); - if (ret) { - ftrace_bug(ret, ip); - rec->flags |= FTRACE_FL_FAILED; -- return 0; - } -- return 1; -+ return ret ? 0 : 1; - } - - /* -@@ -2011,7 +2016,7 @@ static void ftrace_free_entry_rcu(struct - - int - register_ftrace_function_probe(char *glob, struct ftrace_probe_ops *ops, -- void *data) -+ void *data) - { - struct ftrace_func_probe *entry; - struct ftrace_page *pg; -@@ -2083,7 +2088,7 @@ enum { - }; - - static void --__unregister_ftrace_function_probe(char *glob, struct ftrace_probe_ops *ops, -+__unregister_ftrace_function_probe(char *glob, const struct ftrace_probe_ops *ops, - void *data, int flags) - { - struct ftrace_func_probe *entry; -@@ -2144,7 +2149,7 @@ unregister_ftrace_function_probe(char *g - } - - void --unregister_ftrace_function_probe_func(char *glob, struct ftrace_probe_ops *ops) -+unregister_ftrace_function_probe_func(char *glob, const struct ftrace_probe_ops *ops) - { - __unregister_ftrace_function_probe(glob, ops, NULL, PROBE_TEST_FUNC); - } -diff -urNp linux-2.6.39.3/kernel/trace/trace.c linux-2.6.39.3/kernel/trace/trace.c ---- linux-2.6.39.3/kernel/trace/trace.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/kernel/trace/trace.c 2011-05-22 19:36:33.000000000 -0400 -@@ -3330,6 +3330,8 @@ static ssize_t tracing_splice_read_pipe( - size_t rem; - unsigned int i; - -+ pax_track_stack(); -+ - if (splice_grow_spd(pipe, &spd)) - return -ENOMEM; - -@@ -3813,6 +3815,8 @@ tracing_buffers_splice_read(struct file - int entries, size, i; - size_t ret; - -+ pax_track_stack(); -+ - if (splice_grow_spd(pipe, &spd)) - return -ENOMEM; - -@@ -3981,10 +3985,9 @@ static const struct file_operations trac - }; - #endif - --static struct dentry *d_tracer; -- - struct dentry *tracing_init_dentry(void) - { -+ static struct dentry *d_tracer; - static int once; - - if (d_tracer) -@@ -4004,10 +4007,9 @@ struct dentry *tracing_init_dentry(void) - return d_tracer; - } - --static struct dentry *d_percpu; -- - struct dentry *tracing_dentry_percpu(void) - { -+ static struct dentry *d_percpu; - static int once; - struct dentry *d_tracer; - -diff -urNp linux-2.6.39.3/kernel/trace/trace_events.c linux-2.6.39.3/kernel/trace/trace_events.c ---- linux-2.6.39.3/kernel/trace/trace_events.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/kernel/trace/trace_events.c 2011-05-22 19:36:33.000000000 -0400 -@@ -1241,10 +1241,10 @@ static LIST_HEAD(ftrace_module_file_list - struct ftrace_module_file_ops { - struct list_head list; - struct module *mod; -- struct file_operations id; -- struct file_operations enable; -- struct file_operations format; -- struct file_operations filter; -+ struct file_operations id; /* cannot be const, see trace_create_file_ops() */ -+ struct file_operations enable; /* cannot be const, see trace_create_file_ops() */ -+ struct file_operations format; /* cannot be const, see trace_create_file_ops() */ -+ struct file_operations filter; /* cannot be const, see trace_create_file_ops() */ - }; - - static struct ftrace_module_file_ops * -diff -urNp linux-2.6.39.3/kernel/trace/trace_functions.c linux-2.6.39.3/kernel/trace/trace_functions.c ---- linux-2.6.39.3/kernel/trace/trace_functions.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/kernel/trace/trace_functions.c 2011-05-22 19:36:33.000000000 -0400 -@@ -308,7 +308,7 @@ ftrace_trace_onoff_print(struct seq_file - static int - ftrace_trace_onoff_unreg(char *glob, char *cmd, char *param) - { -- struct ftrace_probe_ops *ops; -+ const struct ftrace_probe_ops *ops; - - /* we register both traceon and traceoff to this callback */ - if (strcmp(cmd, "traceon") == 0) -diff -urNp linux-2.6.39.3/kernel/trace/trace_mmiotrace.c linux-2.6.39.3/kernel/trace/trace_mmiotrace.c ---- linux-2.6.39.3/kernel/trace/trace_mmiotrace.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/kernel/trace/trace_mmiotrace.c 2011-05-22 19:36:33.000000000 -0400 -@@ -24,7 +24,7 @@ struct header_iter { - static struct trace_array *mmio_trace_array; - static bool overrun_detected; - static unsigned long prev_overruns; --static atomic_t dropped_count; -+static atomic_unchecked_t dropped_count; - - static void mmio_reset_data(struct trace_array *tr) - { -@@ -127,7 +127,7 @@ static void mmio_close(struct trace_iter - - static unsigned long count_overruns(struct trace_iterator *iter) - { -- unsigned long cnt = atomic_xchg(&dropped_count, 0); -+ unsigned long cnt = atomic_xchg_unchecked(&dropped_count, 0); - unsigned long over = ring_buffer_overruns(iter->tr->buffer); - - if (over > prev_overruns) -@@ -317,7 +317,7 @@ static void __trace_mmiotrace_rw(struct - event = trace_buffer_lock_reserve(buffer, TRACE_MMIO_RW, - sizeof(*entry), 0, pc); - if (!event) { -- atomic_inc(&dropped_count); -+ atomic_inc_unchecked(&dropped_count); - return; - } - entry = ring_buffer_event_data(event); -@@ -347,7 +347,7 @@ static void __trace_mmiotrace_map(struct - event = trace_buffer_lock_reserve(buffer, TRACE_MMIO_MAP, - sizeof(*entry), 0, pc); - if (!event) { -- atomic_inc(&dropped_count); -+ atomic_inc_unchecked(&dropped_count); - return; - } - entry = ring_buffer_event_data(event); -diff -urNp linux-2.6.39.3/kernel/trace/trace_output.c linux-2.6.39.3/kernel/trace/trace_output.c ---- linux-2.6.39.3/kernel/trace/trace_output.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/kernel/trace/trace_output.c 2011-05-22 19:36:33.000000000 -0400 -@@ -278,7 +278,7 @@ int trace_seq_path(struct trace_seq *s, - - p = d_path(path, s->buffer + s->len, PAGE_SIZE - s->len); - if (!IS_ERR(p)) { -- p = mangle_path(s->buffer + s->len, p, "\n"); -+ p = mangle_path(s->buffer + s->len, p, "\n\\"); - if (p) { - s->len = p - s->buffer; - return 1; -diff -urNp linux-2.6.39.3/kernel/trace/trace_stack.c linux-2.6.39.3/kernel/trace/trace_stack.c ---- linux-2.6.39.3/kernel/trace/trace_stack.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/kernel/trace/trace_stack.c 2011-05-22 19:36:33.000000000 -0400 -@@ -50,7 +50,7 @@ static inline void check_stack(void) - return; - - /* we do not handle interrupt stacks yet */ -- if (!object_is_on_stack(&this_size)) -+ if (!object_starts_on_stack(&this_size)) - return; - - local_irq_save(flags); -diff -urNp linux-2.6.39.3/kernel/trace/trace_workqueue.c linux-2.6.39.3/kernel/trace/trace_workqueue.c ---- linux-2.6.39.3/kernel/trace/trace_workqueue.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/kernel/trace/trace_workqueue.c 2011-05-22 19:36:33.000000000 -0400 -@@ -22,7 +22,7 @@ struct cpu_workqueue_stats { - int cpu; - pid_t pid; - /* Can be inserted from interrupt or user context, need to be atomic */ -- atomic_t inserted; -+ atomic_unchecked_t inserted; - /* - * Don't need to be atomic, works are serialized in a single workqueue thread - * on a single CPU. -@@ -60,7 +60,7 @@ probe_workqueue_insertion(void *ignore, - spin_lock_irqsave(&workqueue_cpu_stat(cpu)->lock, flags); - list_for_each_entry(node, &workqueue_cpu_stat(cpu)->list, list) { - if (node->pid == wq_thread->pid) { -- atomic_inc(&node->inserted); -+ atomic_inc_unchecked(&node->inserted); - goto found; - } - } -@@ -210,7 +210,7 @@ static int workqueue_stat_show(struct se - tsk = get_pid_task(pid, PIDTYPE_PID); - if (tsk) { - seq_printf(s, "%3d %6d %6u %s\n", cws->cpu, -- atomic_read(&cws->inserted), cws->executed, -+ atomic_read_unchecked(&cws->inserted), cws->executed, - tsk->comm); - put_task_struct(tsk); - } -diff -urNp linux-2.6.39.3/lib/bug.c linux-2.6.39.3/lib/bug.c ---- linux-2.6.39.3/lib/bug.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/lib/bug.c 2011-05-22 19:36:33.000000000 -0400 -@@ -133,6 +133,8 @@ enum bug_trap_type report_bug(unsigned l - return BUG_TRAP_TYPE_NONE; - - bug = find_bug(bugaddr); -+ if (!bug) -+ return BUG_TRAP_TYPE_NONE; - - file = NULL; - line = 0; -diff -urNp linux-2.6.39.3/lib/debugobjects.c linux-2.6.39.3/lib/debugobjects.c ---- linux-2.6.39.3/lib/debugobjects.c 2011-07-09 09:18:51.000000000 -0400 -+++ linux-2.6.39.3/lib/debugobjects.c 2011-07-09 09:19:24.000000000 -0400 -@@ -284,7 +284,7 @@ static void debug_object_is_on_stack(voi - if (limit > 4) - return; - -- is_on_stack = object_is_on_stack(addr); -+ is_on_stack = object_starts_on_stack(addr); - if (is_on_stack == onstack) - return; - -diff -urNp linux-2.6.39.3/lib/dma-debug.c linux-2.6.39.3/lib/dma-debug.c ---- linux-2.6.39.3/lib/dma-debug.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/lib/dma-debug.c 2011-05-22 19:36:33.000000000 -0400 -@@ -862,7 +862,7 @@ out: - - static void check_for_stack(struct device *dev, void *addr) - { -- if (object_is_on_stack(addr)) -+ if (object_starts_on_stack(addr)) - err_printk(dev, NULL, "DMA-API: device driver maps memory from" - "stack [addr=%p]\n", addr); - } -diff -urNp linux-2.6.39.3/lib/inflate.c linux-2.6.39.3/lib/inflate.c ---- linux-2.6.39.3/lib/inflate.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/lib/inflate.c 2011-05-22 19:36:33.000000000 -0400 -@@ -269,7 +269,7 @@ static void free(void *where) - malloc_ptr = free_mem_ptr; - } - #else --#define malloc(a) kmalloc(a, GFP_KERNEL) -+#define malloc(a) kmalloc((a), GFP_KERNEL) - #define free(a) kfree(a) - #endif - -diff -urNp linux-2.6.39.3/lib/Kconfig.debug linux-2.6.39.3/lib/Kconfig.debug ---- linux-2.6.39.3/lib/Kconfig.debug 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/lib/Kconfig.debug 2011-05-22 19:41:42.000000000 -0400 -@@ -1078,6 +1078,7 @@ config LATENCYTOP - depends on DEBUG_KERNEL - depends on STACKTRACE_SUPPORT - depends on PROC_FS -+ depends on !GRKERNSEC_HIDESYM - select FRAME_POINTER if !MIPS && !PPC && !S390 && !MICROBLAZE - select KALLSYMS - select KALLSYMS_ALL -diff -urNp linux-2.6.39.3/lib/kref.c linux-2.6.39.3/lib/kref.c ---- linux-2.6.39.3/lib/kref.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/lib/kref.c 2011-05-22 19:36:33.000000000 -0400 -@@ -52,7 +52,7 @@ void kref_get(struct kref *kref) - */ - int kref_put(struct kref *kref, void (*release)(struct kref *kref)) - { -- WARN_ON(release == NULL); -+ BUG_ON(release == NULL); - WARN_ON(release == (void (*)(struct kref *))kfree); - - if (atomic_dec_and_test(&kref->refcount)) { -diff -urNp linux-2.6.39.3/lib/radix-tree.c linux-2.6.39.3/lib/radix-tree.c ---- linux-2.6.39.3/lib/radix-tree.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/lib/radix-tree.c 2011-05-22 19:36:33.000000000 -0400 -@@ -80,7 +80,7 @@ struct radix_tree_preload { - int nr; - struct radix_tree_node *nodes[RADIX_TREE_MAX_PATH]; - }; --static DEFINE_PER_CPU(struct radix_tree_preload, radix_tree_preloads) = { 0, }; -+static DEFINE_PER_CPU(struct radix_tree_preload, radix_tree_preloads); - - static inline void *ptr_to_indirect(void *ptr) - { -diff -urNp linux-2.6.39.3/lib/vsprintf.c linux-2.6.39.3/lib/vsprintf.c ---- linux-2.6.39.3/lib/vsprintf.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/lib/vsprintf.c 2011-05-22 20:54:59.000000000 -0400 -@@ -16,6 +16,9 @@ - * - scnprintf and vscnprintf - */ - -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+#define __INCLUDED_BY_HIDESYM 1 -+#endif - #include <stdarg.h> - #include <linux/module.h> - #include <linux/types.h> -@@ -435,7 +438,7 @@ char *symbol_string(char *buf, char *end - char sym[KSYM_SYMBOL_LEN]; - if (ext == 'B') - sprint_backtrace(sym, value); -- else if (ext != 'f' && ext != 's') -+ else if (ext != 'f' && ext != 's' && ext != 'a') - sprint_symbol(sym, value); - else - kallsyms_lookup(value, NULL, NULL, NULL, sym); -@@ -797,7 +800,11 @@ char *uuid_string(char *buf, char *end, - return string(buf, end, uuid, spec); - } - -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+int kptr_restrict __read_mostly = 2; -+#else - int kptr_restrict __read_mostly; -+#endif - - /* - * Show a '%p' thing. A kernel extension is that the '%p' is followed -@@ -811,6 +818,8 @@ int kptr_restrict __read_mostly; - * - 'S' For symbolic direct pointers with offset - * - 's' For symbolic direct pointers without offset - * - 'B' For backtraced symbolic direct pointers with offset -+ * - 'A' For symbolic direct pointers with offset approved for use with GRKERNSEC_HIDESYM -+ * - 'a' For symbolic direct pointers without offset approved for use with GRKERNSEC_HIDESYM - * - 'R' For decoded struct resource, e.g., [mem 0x0-0x1f 64bit pref] - * - 'r' For raw struct resource, e.g., [mem 0x0-0x1f flags 0x201] - * - 'M' For a 6-byte MAC address, it prints the address in the -@@ -855,12 +864,12 @@ char *pointer(const char *fmt, char *buf - { - if (!ptr && *fmt != 'K') { - /* -- * Print (null) with the same width as a pointer so it makes -+ * Print (nil) with the same width as a pointer so it makes - * tabular output look nice. - */ - if (spec.field_width == -1) - spec.field_width = 2 * sizeof(void *); -- return string(buf, end, "(null)", spec); -+ return string(buf, end, "(nil)", spec); - } - - switch (*fmt) { -@@ -870,6 +879,13 @@ char *pointer(const char *fmt, char *buf - /* Fallthrough */ - case 'S': - case 's': -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+ break; -+#else -+ return symbol_string(buf, end, ptr, spec, *fmt); -+#endif -+ case 'A': -+ case 'a': - case 'B': - return symbol_string(buf, end, ptr, spec, *fmt); - case 'R': -@@ -1632,11 +1648,11 @@ int bstr_printf(char *buf, size_t size, - typeof(type) value; \ - if (sizeof(type) == 8) { \ - args = PTR_ALIGN(args, sizeof(u32)); \ -- *(u32 *)&value = *(u32 *)args; \ -- *((u32 *)&value + 1) = *(u32 *)(args + 4); \ -+ *(u32 *)&value = *(const u32 *)args; \ -+ *((u32 *)&value + 1) = *(const u32 *)(args + 4); \ - } else { \ - args = PTR_ALIGN(args, sizeof(type)); \ -- value = *(typeof(type) *)args; \ -+ value = *(const typeof(type) *)args; \ - } \ - args += sizeof(type); \ - value; \ -@@ -1699,7 +1715,7 @@ int bstr_printf(char *buf, size_t size, - case FORMAT_TYPE_STR: { - const char *str_arg = args; - args += strlen(str_arg) + 1; -- str = string(str, end, (char *)str_arg, spec); -+ str = string(str, end, str_arg, spec); - break; - } - -diff -urNp linux-2.6.39.3/localversion-grsec linux-2.6.39.3/localversion-grsec ---- linux-2.6.39.3/localversion-grsec 1969-12-31 19:00:00.000000000 -0500 -+++ linux-2.6.39.3/localversion-grsec 2011-05-22 19:41:42.000000000 -0400 -@@ -0,0 +1 @@ -+-grsec -diff -urNp linux-2.6.39.3/Makefile linux-2.6.39.3/Makefile ---- linux-2.6.39.3/Makefile 2011-07-09 09:18:51.000000000 -0400 -+++ linux-2.6.39.3/Makefile 2011-07-09 09:19:18.000000000 -0400 -@@ -237,8 +237,9 @@ CONFIG_SHELL := $(shell if [ -x "$$BASH" - - HOSTCC = gcc - HOSTCXX = g++ --HOSTCFLAGS = -Wall -Wmissing-prototypes -Wstrict-prototypes -O2 -fomit-frame-pointer --HOSTCXXFLAGS = -O2 -+HOSTCFLAGS = -Wall -W -Wmissing-prototypes -Wstrict-prototypes -Wno-unused-parameter -Wno-missing-field-initializers -O2 -fomit-frame-pointer -fno-delete-null-pointer-checks -+HOSTCFLAGS += $(call cc-option, -Wno-empty-body) -+HOSTCXXFLAGS = -O2 -fno-delete-null-pointer-checks - - # Decide whether to build built-in, modular, or both. - # Normally, just do built-in. -@@ -356,10 +357,12 @@ LINUXINCLUDE := -I$(srctree)/arch/$(h - KBUILD_CPPFLAGS := -D__KERNEL__ - - KBUILD_CFLAGS := -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs \ -+ -W -Wno-unused-parameter -Wno-missing-field-initializers \ - -fno-strict-aliasing -fno-common \ - -Werror-implicit-function-declaration \ - -Wno-format-security \ - -fno-delete-null-pointer-checks -+KBUILD_CFLAGS += $(call cc-option, -Wno-empty-body) - KBUILD_AFLAGS_KERNEL := - KBUILD_CFLAGS_KERNEL := - KBUILD_AFLAGS := -D__ASSEMBLY__ -@@ -397,8 +400,8 @@ export RCS_TAR_IGNORE := --exclude SCCS - # Rules shared between *config targets and build targets - - # Basic helpers built in scripts/ --PHONY += scripts_basic --scripts_basic: -+PHONY += scripts_basic pax-plugin -+scripts_basic: pax-plugin - $(Q)$(MAKE) $(build)=scripts/basic - $(Q)rm -f .tmp_quiet_recordmcount - -@@ -550,6 +553,18 @@ endif - - include $(srctree)/arch/$(SRCARCH)/Makefile - -+ifeq ($(CONFIG_PAX_MEMORY_STACKLEAK),y) -+KBUILD_CFLAGS += $(call cc-ifversion, -ge, 0405, -fplugin=$(objtree)/tools/gcc/pax_plugin.so -fplugin-arg-pax_plugin-track-lowest-sp=100) -+endif -+pax-plugin: -+ifneq (,$(findstring pax_plugin, $(KBUILD_CFLAGS))) -+ $(Q)$(MAKE) $(build)=tools/gcc -+else -+ifeq ($(CONFIG_PAX_MEMORY_STACKLEAK),y) -+ $(Q)echo "warning, your gcc does not support plugins, PAX_MEMORY_STACKLEAK will be less secure" -+endif -+endif -+ - ifneq ($(CONFIG_FRAME_WARN),0) - KBUILD_CFLAGS += $(call cc-option,-Wframe-larger-than=${CONFIG_FRAME_WARN}) - endif -@@ -685,7 +700,7 @@ export mod_strip_cmd - - - ifeq ($(KBUILD_EXTMOD),) --core-y += kernel/ mm/ fs/ ipc/ security/ crypto/ block/ -+core-y += kernel/ mm/ fs/ ipc/ security/ crypto/ block/ grsecurity/ - - vmlinux-dirs := $(patsubst %/,%,$(filter %/, $(init-y) $(init-m) \ - $(core-y) $(core-m) $(drivers-y) $(drivers-m) \ -@@ -947,7 +962,7 @@ ifneq ($(KBUILD_SRC),) - endif - - # prepare2 creates a makefile if using a separate output directory --prepare2: prepare3 outputmakefile -+prepare2: prepare3 outputmakefile pax-plugin - - prepare1: prepare2 include/linux/version.h include/generated/utsrelease.h \ - include/config/auto.conf -@@ -1375,7 +1390,7 @@ clean: $(clean-dirs) - $(call cmd,rmdirs) - $(call cmd,rmfiles) - @find $(if $(KBUILD_EXTMOD), $(KBUILD_EXTMOD), .) $(RCS_FIND_IGNORE) \ -- \( -name '*.[oas]' -o -name '*.ko' -o -name '.*.cmd' \ -+ \( -name '*.[oas]' -o -name '*.[ks]o' -o -name '.*.cmd' \ - -o -name '.*.d' -o -name '.*.tmp' -o -name '*.mod.c' \ - -o -name '*.symtypes' -o -name 'modules.order' \ - -o -name modules.builtin -o -name '.tmp_*.o.*' \ -diff -urNp linux-2.6.39.3/mm/filemap.c linux-2.6.39.3/mm/filemap.c ---- linux-2.6.39.3/mm/filemap.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/mm/filemap.c 2011-05-22 19:41:42.000000000 -0400 -@@ -1724,7 +1724,7 @@ int generic_file_mmap(struct file * file - struct address_space *mapping = file->f_mapping; - - if (!mapping->a_ops->readpage) -- return -ENOEXEC; -+ return -ENODEV; - file_accessed(file); - vma->vm_ops = &generic_file_vm_ops; - vma->vm_flags |= VM_CAN_NONLINEAR; -@@ -2120,6 +2120,7 @@ inline int generic_write_checks(struct f - *pos = i_size_read(inode); - - if (limit != RLIM_INFINITY) { -+ gr_learn_resource(current, RLIMIT_FSIZE,*pos, 0); - if (*pos >= limit) { - send_sig(SIGXFSZ, current, 0); - return -EFBIG; -diff -urNp linux-2.6.39.3/mm/fremap.c linux-2.6.39.3/mm/fremap.c ---- linux-2.6.39.3/mm/fremap.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/mm/fremap.c 2011-05-22 19:36:33.000000000 -0400 -@@ -156,6 +156,11 @@ SYSCALL_DEFINE5(remap_file_pages, unsign - retry: - vma = find_vma(mm, start); - -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (vma && (mm->pax_flags & MF_PAX_SEGMEXEC) && (vma->vm_flags & VM_MAYEXEC)) -+ goto out; -+#endif -+ - /* - * Make sure the vma is shared, that it supports prefaulting, - * and that the remapped range is valid and fully within -@@ -224,7 +229,7 @@ SYSCALL_DEFINE5(remap_file_pages, unsign - /* - * drop PG_Mlocked flag for over-mapped range - */ -- unsigned int saved_flags = vma->vm_flags; -+ unsigned long saved_flags = vma->vm_flags; - munlock_vma_pages_range(vma, start, start + size); - vma->vm_flags = saved_flags; - } -diff -urNp linux-2.6.39.3/mm/highmem.c linux-2.6.39.3/mm/highmem.c ---- linux-2.6.39.3/mm/highmem.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/mm/highmem.c 2011-05-22 19:36:33.000000000 -0400 -@@ -125,9 +125,10 @@ static void flush_all_zero_pkmaps(void) - * So no dangers, even with speculative execution. - */ - page = pte_page(pkmap_page_table[i]); -+ pax_open_kernel(); - pte_clear(&init_mm, (unsigned long)page_address(page), - &pkmap_page_table[i]); -- -+ pax_close_kernel(); - set_page_address(page, NULL); - need_flush = 1; - } -@@ -186,9 +187,11 @@ start: - } - } - vaddr = PKMAP_ADDR(last_pkmap_nr); -+ -+ pax_open_kernel(); - set_pte_at(&init_mm, vaddr, - &(pkmap_page_table[last_pkmap_nr]), mk_pte(page, kmap_prot)); -- -+ pax_close_kernel(); - pkmap_count[last_pkmap_nr] = 1; - set_page_address(page, (void *)vaddr); - -diff -urNp linux-2.6.39.3/mm/huge_memory.c linux-2.6.39.3/mm/huge_memory.c ---- linux-2.6.39.3/mm/huge_memory.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/mm/huge_memory.c 2011-05-22 19:36:33.000000000 -0400 -@@ -702,7 +702,7 @@ out: - * run pte_offset_map on the pmd, if an huge pmd could - * materialize from under us from a different thread. - */ -- if (unlikely(__pte_alloc(mm, vma, pmd, address))) -+ if (unlikely(pmd_none(*pmd) && __pte_alloc(mm, vma, pmd, address))) - return VM_FAULT_OOM; - /* if an huge pmd materialized from under us just retry later */ - if (unlikely(pmd_trans_huge(*pmd))) -diff -urNp linux-2.6.39.3/mm/hugetlb.c linux-2.6.39.3/mm/hugetlb.c ---- linux-2.6.39.3/mm/hugetlb.c 2011-07-09 09:18:51.000000000 -0400 -+++ linux-2.6.39.3/mm/hugetlb.c 2011-07-09 09:19:24.000000000 -0400 -@@ -2339,6 +2339,27 @@ static int unmap_ref_private(struct mm_s - return 1; - } - -+#ifdef CONFIG_PAX_SEGMEXEC -+static void pax_mirror_huge_pte(struct vm_area_struct *vma, unsigned long address, struct page *page_m) -+{ -+ struct mm_struct *mm = vma->vm_mm; -+ struct vm_area_struct *vma_m; -+ unsigned long address_m; -+ pte_t *ptep_m; -+ -+ vma_m = pax_find_mirror_vma(vma); -+ if (!vma_m) -+ return; -+ -+ BUG_ON(address >= SEGMEXEC_TASK_SIZE); -+ address_m = address + SEGMEXEC_TASK_SIZE; -+ ptep_m = huge_pte_offset(mm, address_m & HPAGE_MASK); -+ get_page(page_m); -+ hugepage_add_anon_rmap(page_m, vma_m, address_m); -+ set_huge_pte_at(mm, address_m, ptep_m, make_huge_pte(vma_m, page_m, 0)); -+} -+#endif -+ - /* - * Hugetlb_cow() should be called with page lock of the original hugepage held. - */ -@@ -2440,6 +2461,11 @@ retry_avoidcopy: - make_huge_pte(vma, new_page, 1)); - page_remove_rmap(old_page); - hugepage_add_new_anon_rmap(new_page, vma, address); -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ pax_mirror_huge_pte(vma, address, new_page); -+#endif -+ - /* Make the old page be freed below */ - new_page = old_page; - mmu_notifier_invalidate_range_end(mm, -@@ -2591,6 +2617,10 @@ retry: - && (vma->vm_flags & VM_SHARED))); - set_huge_pte_at(mm, address, ptep, new_pte); - -+#ifdef CONFIG_PAX_SEGMEXEC -+ pax_mirror_huge_pte(vma, address, page); -+#endif -+ - if ((flags & FAULT_FLAG_WRITE) && !(vma->vm_flags & VM_SHARED)) { - /* Optimization, do the COW without a second fault */ - ret = hugetlb_cow(mm, vma, address, ptep, new_pte, page); -@@ -2620,6 +2650,10 @@ int hugetlb_fault(struct mm_struct *mm, - static DEFINE_MUTEX(hugetlb_instantiation_mutex); - struct hstate *h = hstate_vma(vma); - -+#ifdef CONFIG_PAX_SEGMEXEC -+ struct vm_area_struct *vma_m; -+#endif -+ - ptep = huge_pte_offset(mm, address); - if (ptep) { - entry = huge_ptep_get(ptep); -@@ -2631,6 +2665,26 @@ int hugetlb_fault(struct mm_struct *mm, - VM_FAULT_SET_HINDEX(h - hstates); - } - -+#ifdef CONFIG_PAX_SEGMEXEC -+ vma_m = pax_find_mirror_vma(vma); -+ if (vma_m) { -+ unsigned long address_m; -+ -+ if (vma->vm_start > vma_m->vm_start) { -+ address_m = address; -+ address -= SEGMEXEC_TASK_SIZE; -+ vma = vma_m; -+ h = hstate_vma(vma); -+ } else -+ address_m = address + SEGMEXEC_TASK_SIZE; -+ -+ if (!huge_pte_alloc(mm, address_m, huge_page_size(h))) -+ return VM_FAULT_OOM; -+ address_m &= HPAGE_MASK; -+ unmap_hugepage_range(vma, address_m, address_m + HPAGE_SIZE, NULL); -+ } -+#endif -+ - ptep = huge_pte_alloc(mm, address, huge_page_size(h)); - if (!ptep) - return VM_FAULT_OOM; -diff -urNp linux-2.6.39.3/mm/internal.h linux-2.6.39.3/mm/internal.h ---- linux-2.6.39.3/mm/internal.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/mm/internal.h 2011-07-09 09:12:54.000000000 -0400 -@@ -49,6 +49,7 @@ extern void putback_lru_page(struct page - * in mm/page_alloc.c - */ - extern void __free_pages_bootmem(struct page *page, unsigned int order); -+extern void free_compound_page(struct page *page); - extern void prep_compound_page(struct page *page, unsigned long order); - #ifdef CONFIG_MEMORY_FAILURE - extern bool is_free_buddy_page(struct page *page); -diff -urNp linux-2.6.39.3/mm/Kconfig linux-2.6.39.3/mm/Kconfig ---- linux-2.6.39.3/mm/Kconfig 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/mm/Kconfig 2011-05-22 19:41:42.000000000 -0400 -@@ -240,7 +240,7 @@ config KSM - config DEFAULT_MMAP_MIN_ADDR - int "Low address space to protect from user allocation" - depends on MMU -- default 4096 -+ default 65536 - help - This is the portion of low virtual memory which should be protected - from userspace allocation. Keeping a user from writing to low pages -diff -urNp linux-2.6.39.3/mm/kmemleak.c linux-2.6.39.3/mm/kmemleak.c ---- linux-2.6.39.3/mm/kmemleak.c 2011-06-03 00:04:14.000000000 -0400 -+++ linux-2.6.39.3/mm/kmemleak.c 2011-06-03 00:32:08.000000000 -0400 -@@ -357,7 +357,7 @@ static void print_unreferenced(struct se - - for (i = 0; i < object->trace_len; i++) { - void *ptr = (void *)object->trace[i]; -- seq_printf(seq, " [<%p>] %pS\n", ptr, ptr); -+ seq_printf(seq, " [<%p>] %pA\n", ptr, ptr); - } - } - -diff -urNp linux-2.6.39.3/mm/maccess.c linux-2.6.39.3/mm/maccess.c ---- linux-2.6.39.3/mm/maccess.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/mm/maccess.c 2011-05-22 19:36:33.000000000 -0400 -@@ -15,10 +15,10 @@ - * happens, handle that and return -EFAULT. - */ - --long __weak probe_kernel_read(void *dst, void *src, size_t size) -+long __weak probe_kernel_read(void *dst, const void *src, size_t size) - __attribute__((alias("__probe_kernel_read"))); - --long __probe_kernel_read(void *dst, void *src, size_t size) -+long __probe_kernel_read(void *dst, const void *src, size_t size) - { - long ret; - mm_segment_t old_fs = get_fs(); -@@ -43,10 +43,10 @@ EXPORT_SYMBOL_GPL(probe_kernel_read); - * Safely write to address @dst from the buffer at @src. If a kernel fault - * happens, handle that and return -EFAULT. - */ --long __weak probe_kernel_write(void *dst, void *src, size_t size) -+long __weak probe_kernel_write(void *dst, const void *src, size_t size) - __attribute__((alias("__probe_kernel_write"))); - --long __probe_kernel_write(void *dst, void *src, size_t size) -+long __probe_kernel_write(void *dst, const void *src, size_t size) - { - long ret; - mm_segment_t old_fs = get_fs(); -diff -urNp linux-2.6.39.3/mm/madvise.c linux-2.6.39.3/mm/madvise.c ---- linux-2.6.39.3/mm/madvise.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/mm/madvise.c 2011-05-22 19:36:33.000000000 -0400 -@@ -45,6 +45,10 @@ static long madvise_behavior(struct vm_a - pgoff_t pgoff; - unsigned long new_flags = vma->vm_flags; - -+#ifdef CONFIG_PAX_SEGMEXEC -+ struct vm_area_struct *vma_m; -+#endif -+ - switch (behavior) { - case MADV_NORMAL: - new_flags = new_flags & ~VM_RAND_READ & ~VM_SEQ_READ; -@@ -110,6 +114,13 @@ success: - /* - * vm_flags is protected by the mmap_sem held in write mode. - */ -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ vma_m = pax_find_mirror_vma(vma); -+ if (vma_m) -+ vma_m->vm_flags = new_flags & ~(VM_WRITE | VM_MAYWRITE | VM_ACCOUNT); -+#endif -+ - vma->vm_flags = new_flags; - - out: -@@ -168,6 +179,11 @@ static long madvise_dontneed(struct vm_a - struct vm_area_struct ** prev, - unsigned long start, unsigned long end) - { -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ struct vm_area_struct *vma_m; -+#endif -+ - *prev = vma; - if (vma->vm_flags & (VM_LOCKED|VM_HUGETLB|VM_PFNMAP)) - return -EINVAL; -@@ -180,6 +196,21 @@ static long madvise_dontneed(struct vm_a - zap_page_range(vma, start, end - start, &details); - } else - zap_page_range(vma, start, end - start, NULL); -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ vma_m = pax_find_mirror_vma(vma); -+ if (vma_m) { -+ if (unlikely(vma->vm_flags & VM_NONLINEAR)) { -+ struct zap_details details = { -+ .nonlinear_vma = vma_m, -+ .last_index = ULONG_MAX, -+ }; -+ zap_page_range(vma, start + SEGMEXEC_TASK_SIZE, end - start, &details); -+ } else -+ zap_page_range(vma, start + SEGMEXEC_TASK_SIZE, end - start, NULL); -+ } -+#endif -+ - return 0; - } - -@@ -376,6 +407,16 @@ SYSCALL_DEFINE3(madvise, unsigned long, - if (end < start) - goto out; - -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (current->mm->pax_flags & MF_PAX_SEGMEXEC) { -+ if (end > SEGMEXEC_TASK_SIZE) -+ goto out; -+ } else -+#endif -+ -+ if (end > TASK_SIZE) -+ goto out; -+ - error = 0; - if (end == start) - goto out; -diff -urNp linux-2.6.39.3/mm/memory.c linux-2.6.39.3/mm/memory.c ---- linux-2.6.39.3/mm/memory.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/mm/memory.c 2011-05-22 19:36:33.000000000 -0400 -@@ -259,8 +259,12 @@ static inline void free_pmd_range(struct - return; - - pmd = pmd_offset(pud, start); -+ -+#if !defined(CONFIG_X86_32) || !defined(CONFIG_PAX_PER_CPU_PGD) - pud_clear(pud); - pmd_free_tlb(tlb, pmd, start); -+#endif -+ - } - - static inline void free_pud_range(struct mmu_gather *tlb, pgd_t *pgd, -@@ -291,9 +295,12 @@ static inline void free_pud_range(struct - if (end - 1 > ceiling - 1) - return; - -+#if !defined(CONFIG_X86_64) || !defined(CONFIG_PAX_PER_CPU_PGD) - pud = pud_offset(pgd, start); - pgd_clear(pgd); - pud_free_tlb(tlb, pud, start); -+#endif -+ - } - - /* -@@ -1410,12 +1417,6 @@ no_page_table: - return page; - } - --static inline int stack_guard_page(struct vm_area_struct *vma, unsigned long addr) --{ -- return stack_guard_page_start(vma, addr) || -- stack_guard_page_end(vma, addr+PAGE_SIZE); --} -- - /** - * __get_user_pages() - pin user pages in memory - * @tsk: task_struct of target task -@@ -1488,10 +1489,10 @@ int __get_user_pages(struct task_struct - (VM_MAYREAD | VM_MAYWRITE) : (VM_READ | VM_WRITE); - i = 0; - -- do { -+ while (nr_pages) { - struct vm_area_struct *vma; - -- vma = find_extend_vma(mm, start); -+ vma = find_vma(mm, start); - if (!vma && in_gate_area(mm, start)) { - unsigned long pg = start & PAGE_MASK; - pgd_t *pgd; -@@ -1539,7 +1540,7 @@ int __get_user_pages(struct task_struct - goto next_page; - } - -- if (!vma || -+ if (!vma || start < vma->vm_start || - (vma->vm_flags & (VM_IO | VM_PFNMAP)) || - !(vm_flags & vma->vm_flags)) - return i ? : -EFAULT; -@@ -1566,11 +1567,6 @@ int __get_user_pages(struct task_struct - int ret; - unsigned int fault_flags = 0; - -- /* For mlock, just skip the stack guard page. */ -- if (foll_flags & FOLL_MLOCK) { -- if (stack_guard_page(vma, start)) -- goto next_page; -- } - if (foll_flags & FOLL_WRITE) - fault_flags |= FAULT_FLAG_WRITE; - if (nonblocking) -@@ -1644,7 +1640,7 @@ next_page: - start += PAGE_SIZE; - nr_pages--; - } while (nr_pages && start < vma->vm_end); -- } while (nr_pages); -+ } - return i; - } - EXPORT_SYMBOL(__get_user_pages); -@@ -1795,6 +1791,10 @@ static int insert_page(struct vm_area_st - page_add_file_rmap(page); - set_pte_at(mm, addr, pte, mk_pte(page, prot)); - -+#ifdef CONFIG_PAX_SEGMEXEC -+ pax_mirror_file_pte(vma, addr, page, ptl); -+#endif -+ - retval = 0; - pte_unmap_unlock(pte, ptl); - return retval; -@@ -1829,10 +1829,22 @@ out: - int vm_insert_page(struct vm_area_struct *vma, unsigned long addr, - struct page *page) - { -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ struct vm_area_struct *vma_m; -+#endif -+ - if (addr < vma->vm_start || addr >= vma->vm_end) - return -EFAULT; - if (!page_count(page)) - return -EINVAL; -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ vma_m = pax_find_mirror_vma(vma); -+ if (vma_m) -+ vma_m->vm_flags |= VM_INSERTPAGE; -+#endif -+ - vma->vm_flags |= VM_INSERTPAGE; - return insert_page(vma, addr, page, vma->vm_page_prot); - } -@@ -1918,6 +1930,7 @@ int vm_insert_mixed(struct vm_area_struc - unsigned long pfn) - { - BUG_ON(!(vma->vm_flags & VM_MIXEDMAP)); -+ BUG_ON(vma->vm_mirror); - - if (addr < vma->vm_start || addr >= vma->vm_end) - return -EFAULT; -@@ -2233,6 +2246,186 @@ static inline void cow_user_page(struct - copy_user_highpage(dst, src, va, vma); - } - -+#ifdef CONFIG_PAX_SEGMEXEC -+static void pax_unmap_mirror_pte(struct vm_area_struct *vma, unsigned long address, pmd_t *pmd) -+{ -+ struct mm_struct *mm = vma->vm_mm; -+ spinlock_t *ptl; -+ pte_t *pte, entry; -+ -+ pte = pte_offset_map_lock(mm, pmd, address, &ptl); -+ entry = *pte; -+ if (!pte_present(entry)) { -+ if (!pte_none(entry)) { -+ BUG_ON(pte_file(entry)); -+ free_swap_and_cache(pte_to_swp_entry(entry)); -+ pte_clear_not_present_full(mm, address, pte, 0); -+ } -+ } else { -+ struct page *page; -+ -+ flush_cache_page(vma, address, pte_pfn(entry)); -+ entry = ptep_clear_flush(vma, address, pte); -+ BUG_ON(pte_dirty(entry)); -+ page = vm_normal_page(vma, address, entry); -+ if (page) { -+ update_hiwater_rss(mm); -+ if (PageAnon(page)) -+ dec_mm_counter_fast(mm, MM_ANONPAGES); -+ else -+ dec_mm_counter_fast(mm, MM_FILEPAGES); -+ page_remove_rmap(page); -+ page_cache_release(page); -+ } -+ } -+ pte_unmap_unlock(pte, ptl); -+} -+ -+/* PaX: if vma is mirrored, synchronize the mirror's PTE -+ * -+ * the ptl of the lower mapped page is held on entry and is not released on exit -+ * or inside to ensure atomic changes to the PTE states (swapout, mremap, munmap, etc) -+ */ -+static void pax_mirror_anon_pte(struct vm_area_struct *vma, unsigned long address, struct page *page_m, spinlock_t *ptl) -+{ -+ struct mm_struct *mm = vma->vm_mm; -+ unsigned long address_m; -+ spinlock_t *ptl_m; -+ struct vm_area_struct *vma_m; -+ pmd_t *pmd_m; -+ pte_t *pte_m, entry_m; -+ -+ BUG_ON(!page_m || !PageAnon(page_m)); -+ -+ vma_m = pax_find_mirror_vma(vma); -+ if (!vma_m) -+ return; -+ -+ BUG_ON(!PageLocked(page_m)); -+ BUG_ON(address >= SEGMEXEC_TASK_SIZE); -+ address_m = address + SEGMEXEC_TASK_SIZE; -+ pmd_m = pmd_offset(pud_offset(pgd_offset(mm, address_m), address_m), address_m); -+ pte_m = pte_offset_map(pmd_m, address_m); -+ ptl_m = pte_lockptr(mm, pmd_m); -+ if (ptl != ptl_m) { -+ spin_lock_nested(ptl_m, SINGLE_DEPTH_NESTING); -+ if (!pte_none(*pte_m)) -+ goto out; -+ } -+ -+ entry_m = pfn_pte(page_to_pfn(page_m), vma_m->vm_page_prot); -+ page_cache_get(page_m); -+ page_add_anon_rmap(page_m, vma_m, address_m); -+ inc_mm_counter_fast(mm, MM_ANONPAGES); -+ set_pte_at(mm, address_m, pte_m, entry_m); -+ update_mmu_cache(vma_m, address_m, entry_m); -+out: -+ if (ptl != ptl_m) -+ spin_unlock(ptl_m); -+ pte_unmap(pte_m); -+ unlock_page(page_m); -+} -+ -+void pax_mirror_file_pte(struct vm_area_struct *vma, unsigned long address, struct page *page_m, spinlock_t *ptl) -+{ -+ struct mm_struct *mm = vma->vm_mm; -+ unsigned long address_m; -+ spinlock_t *ptl_m; -+ struct vm_area_struct *vma_m; -+ pmd_t *pmd_m; -+ pte_t *pte_m, entry_m; -+ -+ BUG_ON(!page_m || PageAnon(page_m)); -+ -+ vma_m = pax_find_mirror_vma(vma); -+ if (!vma_m) -+ return; -+ -+ BUG_ON(address >= SEGMEXEC_TASK_SIZE); -+ address_m = address + SEGMEXEC_TASK_SIZE; -+ pmd_m = pmd_offset(pud_offset(pgd_offset(mm, address_m), address_m), address_m); -+ pte_m = pte_offset_map(pmd_m, address_m); -+ ptl_m = pte_lockptr(mm, pmd_m); -+ if (ptl != ptl_m) { -+ spin_lock_nested(ptl_m, SINGLE_DEPTH_NESTING); -+ if (!pte_none(*pte_m)) -+ goto out; -+ } -+ -+ entry_m = pfn_pte(page_to_pfn(page_m), vma_m->vm_page_prot); -+ page_cache_get(page_m); -+ page_add_file_rmap(page_m); -+ inc_mm_counter_fast(mm, MM_FILEPAGES); -+ set_pte_at(mm, address_m, pte_m, entry_m); -+ update_mmu_cache(vma_m, address_m, entry_m); -+out: -+ if (ptl != ptl_m) -+ spin_unlock(ptl_m); -+ pte_unmap(pte_m); -+} -+ -+static void pax_mirror_pfn_pte(struct vm_area_struct *vma, unsigned long address, unsigned long pfn_m, spinlock_t *ptl) -+{ -+ struct mm_struct *mm = vma->vm_mm; -+ unsigned long address_m; -+ spinlock_t *ptl_m; -+ struct vm_area_struct *vma_m; -+ pmd_t *pmd_m; -+ pte_t *pte_m, entry_m; -+ -+ vma_m = pax_find_mirror_vma(vma); -+ if (!vma_m) -+ return; -+ -+ BUG_ON(address >= SEGMEXEC_TASK_SIZE); -+ address_m = address + SEGMEXEC_TASK_SIZE; -+ pmd_m = pmd_offset(pud_offset(pgd_offset(mm, address_m), address_m), address_m); -+ pte_m = pte_offset_map(pmd_m, address_m); -+ ptl_m = pte_lockptr(mm, pmd_m); -+ if (ptl != ptl_m) { -+ spin_lock_nested(ptl_m, SINGLE_DEPTH_NESTING); -+ if (!pte_none(*pte_m)) -+ goto out; -+ } -+ -+ entry_m = pfn_pte(pfn_m, vma_m->vm_page_prot); -+ set_pte_at(mm, address_m, pte_m, entry_m); -+out: -+ if (ptl != ptl_m) -+ spin_unlock(ptl_m); -+ pte_unmap(pte_m); -+} -+ -+static void pax_mirror_pte(struct vm_area_struct *vma, unsigned long address, pte_t *pte, pmd_t *pmd, spinlock_t *ptl) -+{ -+ struct page *page_m; -+ pte_t entry; -+ -+ if (!(vma->vm_mm->pax_flags & MF_PAX_SEGMEXEC)) -+ goto out; -+ -+ entry = *pte; -+ page_m = vm_normal_page(vma, address, entry); -+ if (!page_m) -+ pax_mirror_pfn_pte(vma, address, pte_pfn(entry), ptl); -+ else if (PageAnon(page_m)) { -+ if (pax_find_mirror_vma(vma)) { -+ pte_unmap_unlock(pte, ptl); -+ lock_page(page_m); -+ pte = pte_offset_map_lock(vma->vm_mm, pmd, address, &ptl); -+ if (pte_same(entry, *pte)) -+ pax_mirror_anon_pte(vma, address, page_m, ptl); -+ else -+ unlock_page(page_m); -+ } -+ } else -+ pax_mirror_file_pte(vma, address, page_m, ptl); -+ -+out: -+ pte_unmap_unlock(pte, ptl); -+} -+#endif -+ - /* - * This routine handles present pages, when users try to write - * to a shared page. It is done by copying the page to a new address -@@ -2444,6 +2637,12 @@ gotten: - */ - page_table = pte_offset_map_lock(mm, pmd, address, &ptl); - if (likely(pte_same(*page_table, orig_pte))) { -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (pax_find_mirror_vma(vma)) -+ BUG_ON(!trylock_page(new_page)); -+#endif -+ - if (old_page) { - if (!PageAnon(old_page)) { - dec_mm_counter_fast(mm, MM_FILEPAGES); -@@ -2495,6 +2694,10 @@ gotten: - page_remove_rmap(old_page); - } - -+#ifdef CONFIG_PAX_SEGMEXEC -+ pax_mirror_anon_pte(vma, address, new_page, ptl); -+#endif -+ - /* Free the old page.. */ - new_page = old_page; - ret |= VM_FAULT_WRITE; -@@ -2905,6 +3108,11 @@ static int do_swap_page(struct mm_struct - swap_free(entry); - if (vm_swap_full() || (vma->vm_flags & VM_LOCKED) || PageMlocked(page)) - try_to_free_swap(page); -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if ((flags & FAULT_FLAG_WRITE) || !pax_find_mirror_vma(vma)) -+#endif -+ - unlock_page(page); - if (swapcache) { - /* -@@ -2928,6 +3136,11 @@ static int do_swap_page(struct mm_struct - - /* No need to invalidate - it was non-present before */ - update_mmu_cache(vma, address, page_table); -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ pax_mirror_anon_pte(vma, address, page, ptl); -+#endif -+ - unlock: - pte_unmap_unlock(page_table, ptl); - out: -@@ -2947,40 +3160,6 @@ out_release: - } - - /* -- * This is like a special single-page "expand_{down|up}wards()", -- * except we must first make sure that 'address{-|+}PAGE_SIZE' -- * doesn't hit another vma. -- */ --static inline int check_stack_guard_page(struct vm_area_struct *vma, unsigned long address) --{ -- address &= PAGE_MASK; -- if ((vma->vm_flags & VM_GROWSDOWN) && address == vma->vm_start) { -- struct vm_area_struct *prev = vma->vm_prev; -- -- /* -- * Is there a mapping abutting this one below? -- * -- * That's only ok if it's the same stack mapping -- * that has gotten split.. -- */ -- if (prev && prev->vm_end == address) -- return prev->vm_flags & VM_GROWSDOWN ? 0 : -ENOMEM; -- -- expand_stack(vma, address - PAGE_SIZE); -- } -- if ((vma->vm_flags & VM_GROWSUP) && address + PAGE_SIZE == vma->vm_end) { -- struct vm_area_struct *next = vma->vm_next; -- -- /* As VM_GROWSDOWN but s/below/above/ */ -- if (next && next->vm_start == address + PAGE_SIZE) -- return next->vm_flags & VM_GROWSUP ? 0 : -ENOMEM; -- -- expand_upwards(vma, address + PAGE_SIZE); -- } -- return 0; --} -- --/* - * We enter with non-exclusive mmap_sem (to exclude vma changes, - * but allow concurrent faults), and pte mapped but not yet locked. - * We return with mmap_sem still held, but pte unmapped and unlocked. -@@ -2989,27 +3168,23 @@ static int do_anonymous_page(struct mm_s - unsigned long address, pte_t *page_table, pmd_t *pmd, - unsigned int flags) - { -- struct page *page; -+ struct page *page = NULL; - spinlock_t *ptl; - pte_t entry; - -- pte_unmap(page_table); -- -- /* Check if we need to add a guard page to the stack */ -- if (check_stack_guard_page(vma, address) < 0) -- return VM_FAULT_SIGBUS; -- -- /* Use the zero-page for reads */ - if (!(flags & FAULT_FLAG_WRITE)) { - entry = pte_mkspecial(pfn_pte(my_zero_pfn(address), - vma->vm_page_prot)); -- page_table = pte_offset_map_lock(mm, pmd, address, &ptl); -+ ptl = pte_lockptr(mm, pmd); -+ spin_lock(ptl); - if (!pte_none(*page_table)) - goto unlock; - goto setpte; - } - - /* Allocate our own private page. */ -+ pte_unmap(page_table); -+ - if (unlikely(anon_vma_prepare(vma))) - goto oom; - page = alloc_zeroed_user_highpage_movable(vma, address); -@@ -3028,6 +3203,11 @@ static int do_anonymous_page(struct mm_s - if (!pte_none(*page_table)) - goto release; - -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (pax_find_mirror_vma(vma)) -+ BUG_ON(!trylock_page(page)); -+#endif -+ - inc_mm_counter_fast(mm, MM_ANONPAGES); - page_add_new_anon_rmap(page, vma, address); - setpte: -@@ -3035,6 +3215,12 @@ setpte: - - /* No need to invalidate - it was non-present before */ - update_mmu_cache(vma, address, page_table); -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (page) -+ pax_mirror_anon_pte(vma, address, page, ptl); -+#endif -+ - unlock: - pte_unmap_unlock(page_table, ptl); - return 0; -@@ -3172,6 +3358,12 @@ static int __do_fault(struct mm_struct * - */ - /* Only go through if we didn't race with anybody else... */ - if (likely(pte_same(*page_table, orig_pte))) { -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (anon && pax_find_mirror_vma(vma)) -+ BUG_ON(!trylock_page(page)); -+#endif -+ - flush_icache_page(vma, page); - entry = mk_pte(page, vma->vm_page_prot); - if (flags & FAULT_FLAG_WRITE) -@@ -3191,6 +3383,14 @@ static int __do_fault(struct mm_struct * - - /* no need to invalidate: a not-present page won't be cached */ - update_mmu_cache(vma, address, page_table); -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (anon) -+ pax_mirror_anon_pte(vma, address, page, ptl); -+ else -+ pax_mirror_file_pte(vma, address, page, ptl); -+#endif -+ - } else { - if (charged) - mem_cgroup_uncharge_page(page); -@@ -3338,6 +3538,12 @@ int handle_pte_fault(struct mm_struct *m - if (flags & FAULT_FLAG_WRITE) - flush_tlb_fix_spurious_fault(vma, address); - } -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ pax_mirror_pte(vma, address, pte, pmd, ptl); -+ return 0; -+#endif -+ - unlock: - pte_unmap_unlock(pte, ptl); - return 0; -@@ -3354,6 +3560,10 @@ int handle_mm_fault(struct mm_struct *mm - pmd_t *pmd; - pte_t *pte; - -+#ifdef CONFIG_PAX_SEGMEXEC -+ struct vm_area_struct *vma_m; -+#endif -+ - __set_current_state(TASK_RUNNING); - - count_vm_event(PGFAULT); -@@ -3364,6 +3574,34 @@ int handle_mm_fault(struct mm_struct *mm - if (unlikely(is_vm_hugetlb_page(vma))) - return hugetlb_fault(mm, vma, address, flags); - -+#ifdef CONFIG_PAX_SEGMEXEC -+ vma_m = pax_find_mirror_vma(vma); -+ if (vma_m) { -+ unsigned long address_m; -+ pgd_t *pgd_m; -+ pud_t *pud_m; -+ pmd_t *pmd_m; -+ -+ if (vma->vm_start > vma_m->vm_start) { -+ address_m = address; -+ address -= SEGMEXEC_TASK_SIZE; -+ vma = vma_m; -+ } else -+ address_m = address + SEGMEXEC_TASK_SIZE; -+ -+ pgd_m = pgd_offset(mm, address_m); -+ pud_m = pud_alloc(mm, pgd_m, address_m); -+ if (!pud_m) -+ return VM_FAULT_OOM; -+ pmd_m = pmd_alloc(mm, pud_m, address_m); -+ if (!pmd_m) -+ return VM_FAULT_OOM; -+ if (!pmd_present(*pmd_m) && __pte_alloc(mm, vma_m, pmd_m, address_m)) -+ return VM_FAULT_OOM; -+ pax_unmap_mirror_pte(vma_m, address_m, pmd_m); -+ } -+#endif -+ - pgd = pgd_offset(mm, address); - pud = pud_alloc(mm, pgd, address); - if (!pud) -@@ -3393,7 +3631,7 @@ int handle_mm_fault(struct mm_struct *mm - * run pte_offset_map on the pmd, if an huge pmd could - * materialize from under us from a different thread. - */ -- if (unlikely(pmd_none(*pmd)) && __pte_alloc(mm, vma, pmd, address)) -+ if (unlikely(pmd_none(*pmd) && __pte_alloc(mm, vma, pmd, address))) - return VM_FAULT_OOM; - /* if an huge pmd materialized from under us just retry later */ - if (unlikely(pmd_trans_huge(*pmd))) -@@ -3497,7 +3735,7 @@ static int __init gate_vma_init(void) - gate_vma.vm_start = FIXADDR_USER_START; - gate_vma.vm_end = FIXADDR_USER_END; - gate_vma.vm_flags = VM_READ | VM_MAYREAD | VM_EXEC | VM_MAYEXEC; -- gate_vma.vm_page_prot = __P101; -+ gate_vma.vm_page_prot = vm_get_page_prot(gate_vma.vm_flags); - /* - * Make sure the vDSO gets into every core dump. - * Dumping its contents makes post-mortem fully interpretable later -diff -urNp linux-2.6.39.3/mm/memory-failure.c linux-2.6.39.3/mm/memory-failure.c ---- linux-2.6.39.3/mm/memory-failure.c 2011-07-09 09:18:51.000000000 -0400 -+++ linux-2.6.39.3/mm/memory-failure.c 2011-07-09 09:19:26.000000000 -0400 -@@ -59,7 +59,7 @@ int sysctl_memory_failure_early_kill __r - - int sysctl_memory_failure_recovery __read_mostly = 1; - --atomic_long_t mce_bad_pages __read_mostly = ATOMIC_LONG_INIT(0); -+atomic_long_unchecked_t mce_bad_pages __read_mostly = ATOMIC_LONG_INIT(0); - - #if defined(CONFIG_HWPOISON_INJECT) || defined(CONFIG_HWPOISON_INJECT_MODULE) - -@@ -1013,7 +1013,7 @@ int __memory_failure(unsigned long pfn, - } - - nr_pages = 1 << compound_trans_order(hpage); -- atomic_long_add(nr_pages, &mce_bad_pages); -+ atomic_long_add_unchecked(nr_pages, &mce_bad_pages); - - /* - * We need/can do nothing about count=0 pages. -@@ -1043,7 +1043,7 @@ int __memory_failure(unsigned long pfn, - if (!PageHWPoison(hpage) - || (hwpoison_filter(p) && TestClearPageHWPoison(p)) - || (p != hpage && TestSetPageHWPoison(hpage))) { -- atomic_long_sub(nr_pages, &mce_bad_pages); -+ atomic_long_sub_unchecked(nr_pages, &mce_bad_pages); - return 0; - } - set_page_hwpoison_huge_page(hpage); -@@ -1101,7 +1101,7 @@ int __memory_failure(unsigned long pfn, - } - if (hwpoison_filter(p)) { - if (TestClearPageHWPoison(p)) -- atomic_long_sub(nr_pages, &mce_bad_pages); -+ atomic_long_sub_unchecked(nr_pages, &mce_bad_pages); - unlock_page(hpage); - put_page(hpage); - return 0; -@@ -1227,7 +1227,7 @@ int unpoison_memory(unsigned long pfn) - return 0; - } - if (TestClearPageHWPoison(p)) -- atomic_long_sub(nr_pages, &mce_bad_pages); -+ atomic_long_sub_unchecked(nr_pages, &mce_bad_pages); - pr_info("MCE: Software-unpoisoned free page %#lx\n", pfn); - return 0; - } -@@ -1241,7 +1241,7 @@ int unpoison_memory(unsigned long pfn) - */ - if (TestClearPageHWPoison(page)) { - pr_info("MCE: Software-unpoisoned page %#lx\n", pfn); -- atomic_long_sub(nr_pages, &mce_bad_pages); -+ atomic_long_sub_unchecked(nr_pages, &mce_bad_pages); - freeit = 1; - if (PageHuge(page)) - clear_page_hwpoison_huge_page(page); -@@ -1354,7 +1354,7 @@ static int soft_offline_huge_page(struct - } - done: - if (!PageHWPoison(hpage)) -- atomic_long_add(1 << compound_trans_order(hpage), &mce_bad_pages); -+ atomic_long_add_unchecked(1 << compound_trans_order(hpage), &mce_bad_pages); - set_page_hwpoison_huge_page(hpage); - dequeue_hwpoisoned_huge_page(hpage); - /* keep elevated page count for bad page */ -@@ -1484,7 +1484,7 @@ int soft_offline_page(struct page *page, - return ret; - - done: -- atomic_long_add(1, &mce_bad_pages); -+ atomic_long_add_unchecked(1, &mce_bad_pages); - SetPageHWPoison(page); - /* keep elevated page count for bad page */ - return ret; -diff -urNp linux-2.6.39.3/mm/mempolicy.c linux-2.6.39.3/mm/mempolicy.c ---- linux-2.6.39.3/mm/mempolicy.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/mm/mempolicy.c 2011-05-22 19:41:42.000000000 -0400 -@@ -643,6 +643,10 @@ static int mbind_range(struct mm_struct - unsigned long vmstart; - unsigned long vmend; - -+#ifdef CONFIG_PAX_SEGMEXEC -+ struct vm_area_struct *vma_m; -+#endif -+ - vma = find_vma_prev(mm, start, &prev); - if (!vma || vma->vm_start > start) - return -EFAULT; -@@ -673,6 +677,16 @@ static int mbind_range(struct mm_struct - err = policy_vma(vma, new_pol); - if (err) - goto out; -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ vma_m = pax_find_mirror_vma(vma); -+ if (vma_m) { -+ err = policy_vma(vma_m, new_pol); -+ if (err) -+ goto out; -+ } -+#endif -+ - } - - out: -@@ -1106,6 +1120,17 @@ static long do_mbind(unsigned long start - - if (end < start) - return -EINVAL; -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (mm->pax_flags & MF_PAX_SEGMEXEC) { -+ if (end > SEGMEXEC_TASK_SIZE) -+ return -EINVAL; -+ } else -+#endif -+ -+ if (end > TASK_SIZE) -+ return -EINVAL; -+ - if (end == start) - return 0; - -@@ -1324,6 +1349,14 @@ SYSCALL_DEFINE4(migrate_pages, pid_t, pi - if (!mm) - goto out; - -+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP -+ if (mm != current->mm && -+ (mm->pax_flags & MF_PAX_RANDMMAP || mm->pax_flags & MF_PAX_SEGMEXEC)) { -+ err = -EPERM; -+ goto out; -+ } -+#endif -+ - /* - * Check if this process has the right to modify the specified - * process. The right exists if the process has administrative -@@ -1333,8 +1366,7 @@ SYSCALL_DEFINE4(migrate_pages, pid_t, pi - rcu_read_lock(); - tcred = __task_cred(task); - if (cred->euid != tcred->suid && cred->euid != tcred->uid && -- cred->uid != tcred->suid && cred->uid != tcred->uid && -- !capable(CAP_SYS_NICE)) { -+ cred->uid != tcred->suid && !capable(CAP_SYS_NICE)) { - rcu_read_unlock(); - err = -EPERM; - goto out; -@@ -2634,7 +2666,7 @@ int show_numa_map(struct seq_file *m, vo - - if (file) { - seq_printf(m, " file="); -- seq_path(m, &file->f_path, "\n\t= "); -+ seq_path(m, &file->f_path, "\n\t\\= "); - } else if (vma->vm_start <= mm->brk && vma->vm_end >= mm->start_brk) { - seq_printf(m, " heap"); - } else if (vma->vm_start <= mm->start_stack && -diff -urNp linux-2.6.39.3/mm/migrate.c linux-2.6.39.3/mm/migrate.c ---- linux-2.6.39.3/mm/migrate.c 2011-07-09 09:18:51.000000000 -0400 -+++ linux-2.6.39.3/mm/migrate.c 2011-07-09 09:19:26.000000000 -0400 -@@ -1133,6 +1133,8 @@ static int do_pages_move(struct mm_struc - unsigned long chunk_start; - int err; - -+ pax_track_stack(); -+ - task_nodes = cpuset_mems_allowed(task); - - err = -ENOMEM; -@@ -1317,6 +1319,14 @@ SYSCALL_DEFINE6(move_pages, pid_t, pid, - if (!mm) - return -EINVAL; - -+#ifdef CONFIG_GRKERNSEC_PROC_MEMMAP -+ if (mm != current->mm && -+ (mm->pax_flags & MF_PAX_RANDMMAP || mm->pax_flags & MF_PAX_SEGMEXEC)) { -+ err = -EPERM; -+ goto out; -+ } -+#endif -+ - /* - * Check if this process has the right to modify the specified - * process. The right exists if the process has administrative -@@ -1326,8 +1336,7 @@ SYSCALL_DEFINE6(move_pages, pid_t, pid, - rcu_read_lock(); - tcred = __task_cred(task); - if (cred->euid != tcred->suid && cred->euid != tcred->uid && -- cred->uid != tcred->suid && cred->uid != tcred->uid && -- !capable(CAP_SYS_NICE)) { -+ cred->uid != tcred->suid && !capable(CAP_SYS_NICE)) { - rcu_read_unlock(); - err = -EPERM; - goto out; -diff -urNp linux-2.6.39.3/mm/mlock.c linux-2.6.39.3/mm/mlock.c ---- linux-2.6.39.3/mm/mlock.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/mm/mlock.c 2011-05-22 19:41:42.000000000 -0400 -@@ -13,6 +13,7 @@ - #include <linux/pagemap.h> - #include <linux/mempolicy.h> - #include <linux/syscalls.h> -+#include <linux/security.h> - #include <linux/sched.h> - #include <linux/module.h> - #include <linux/rmap.h> -@@ -377,6 +378,9 @@ static int do_mlock(unsigned long start, - return -EINVAL; - if (end == start) - return 0; -+ if (end > TASK_SIZE) -+ return -EINVAL; -+ - vma = find_vma_prev(current->mm, start, &prev); - if (!vma || vma->vm_start > start) - return -ENOMEM; -@@ -387,6 +391,11 @@ static int do_mlock(unsigned long start, - for (nstart = start ; ; ) { - unsigned int newflags; - -+#ifdef CONFIG_PAX_SEGMEXEC -+ if ((current->mm->pax_flags & MF_PAX_SEGMEXEC) && (vma->vm_start >= SEGMEXEC_TASK_SIZE)) -+ break; -+#endif -+ - /* Here we know that vma->vm_start <= nstart < vma->vm_end. */ - - newflags = vma->vm_flags | VM_LOCKED; -@@ -492,6 +501,7 @@ SYSCALL_DEFINE2(mlock, unsigned long, st - lock_limit >>= PAGE_SHIFT; - - /* check against resource limits */ -+ gr_learn_resource(current, RLIMIT_MEMLOCK, (current->mm->locked_vm << PAGE_SHIFT) + len, 1); - if ((locked <= lock_limit) || capable(CAP_IPC_LOCK)) - error = do_mlock(start, len, 1); - up_write(¤t->mm->mmap_sem); -@@ -515,17 +525,23 @@ SYSCALL_DEFINE2(munlock, unsigned long, - static int do_mlockall(int flags) - { - struct vm_area_struct * vma, * prev = NULL; -- unsigned int def_flags = 0; - - if (flags & MCL_FUTURE) -- def_flags = VM_LOCKED; -- current->mm->def_flags = def_flags; -+ current->mm->def_flags |= VM_LOCKED; -+ else -+ current->mm->def_flags &= ~VM_LOCKED; - if (flags == MCL_FUTURE) - goto out; - - for (vma = current->mm->mmap; vma ; vma = prev->vm_next) { -- unsigned int newflags; -+ unsigned long newflags; -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if ((current->mm->pax_flags & MF_PAX_SEGMEXEC) && (vma->vm_start >= SEGMEXEC_TASK_SIZE)) -+ break; -+#endif - -+ BUG_ON(vma->vm_end > TASK_SIZE); - newflags = vma->vm_flags | VM_LOCKED; - if (!(flags & MCL_CURRENT)) - newflags &= ~VM_LOCKED; -@@ -557,6 +573,7 @@ SYSCALL_DEFINE1(mlockall, int, flags) - lock_limit >>= PAGE_SHIFT; - - ret = -ENOMEM; -+ gr_learn_resource(current, RLIMIT_MEMLOCK, current->mm->total_vm << PAGE_SHIFT, 1); - if (!(flags & MCL_CURRENT) || (current->mm->total_vm <= lock_limit) || - capable(CAP_IPC_LOCK)) - ret = do_mlockall(flags); -diff -urNp linux-2.6.39.3/mm/mmap.c linux-2.6.39.3/mm/mmap.c ---- linux-2.6.39.3/mm/mmap.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/mm/mmap.c 2011-05-22 19:41:42.000000000 -0400 -@@ -46,6 +46,16 @@ - #define arch_rebalance_pgtables(addr, len) (addr) - #endif - -+static inline void verify_mm_writelocked(struct mm_struct *mm) -+{ -+#if defined(CONFIG_DEBUG_VM) || defined(CONFIG_PAX) -+ if (unlikely(down_read_trylock(&mm->mmap_sem))) { -+ up_read(&mm->mmap_sem); -+ BUG(); -+ } -+#endif -+} -+ - static void unmap_region(struct mm_struct *mm, - struct vm_area_struct *vma, struct vm_area_struct *prev, - unsigned long start, unsigned long end); -@@ -71,22 +81,32 @@ static void unmap_region(struct mm_struc - * x: (no) no x: (no) yes x: (no) yes x: (yes) yes - * - */ --pgprot_t protection_map[16] = { -+pgprot_t protection_map[16] __read_only = { - __P000, __P001, __P010, __P011, __P100, __P101, __P110, __P111, - __S000, __S001, __S010, __S011, __S100, __S101, __S110, __S111 - }; - - pgprot_t vm_get_page_prot(unsigned long vm_flags) - { -- return __pgprot(pgprot_val(protection_map[vm_flags & -+ pgprot_t prot = __pgprot(pgprot_val(protection_map[vm_flags & - (VM_READ|VM_WRITE|VM_EXEC|VM_SHARED)]) | - pgprot_val(arch_vm_get_page_prot(vm_flags))); -+ -+#if defined(CONFIG_PAX_PAGEEXEC) && defined(CONFIG_X86_32) -+ if (!(__supported_pte_mask & _PAGE_NX) && -+ (vm_flags & (VM_PAGEEXEC | VM_EXEC)) == VM_PAGEEXEC && -+ (vm_flags & (VM_READ | VM_WRITE))) -+ prot = __pgprot(pte_val(pte_exprotect(__pte(pgprot_val(prot))))); -+#endif -+ -+ return prot; - } - EXPORT_SYMBOL(vm_get_page_prot); - - int sysctl_overcommit_memory = OVERCOMMIT_GUESS; /* heuristic overcommit */ - int sysctl_overcommit_ratio = 50; /* default is 50% */ - int sysctl_max_map_count __read_mostly = DEFAULT_MAX_MAP_COUNT; -+unsigned long sysctl_heap_stack_gap __read_mostly = 64*1024; - struct percpu_counter vm_committed_as; - - /* -@@ -232,6 +252,7 @@ static struct vm_area_struct *remove_vma - struct vm_area_struct *next = vma->vm_next; - - might_sleep(); -+ BUG_ON(vma->vm_mirror); - if (vma->vm_ops && vma->vm_ops->close) - vma->vm_ops->close(vma); - if (vma->vm_file) { -@@ -276,6 +297,7 @@ SYSCALL_DEFINE1(brk, unsigned long, brk) - * not page aligned -Ram Gupta - */ - rlim = rlimit(RLIMIT_DATA); -+ gr_learn_resource(current, RLIMIT_DATA, (brk - mm->start_brk) + (mm->end_data - mm->start_data), 1); - if (rlim < RLIM_INFINITY && (brk - mm->start_brk) + - (mm->end_data - mm->start_data) > rlim) - goto out; -@@ -719,6 +741,12 @@ static int - can_vma_merge_before(struct vm_area_struct *vma, unsigned long vm_flags, - struct anon_vma *anon_vma, struct file *file, pgoff_t vm_pgoff) - { -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if ((vma->vm_mm->pax_flags & MF_PAX_SEGMEXEC) && vma->vm_start == SEGMEXEC_TASK_SIZE) -+ return 0; -+#endif -+ - if (is_mergeable_vma(vma, file, vm_flags) && - is_mergeable_anon_vma(anon_vma, vma->anon_vma)) { - if (vma->vm_pgoff == vm_pgoff) -@@ -738,6 +766,12 @@ static int - can_vma_merge_after(struct vm_area_struct *vma, unsigned long vm_flags, - struct anon_vma *anon_vma, struct file *file, pgoff_t vm_pgoff) - { -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if ((vma->vm_mm->pax_flags & MF_PAX_SEGMEXEC) && vma->vm_end == SEGMEXEC_TASK_SIZE) -+ return 0; -+#endif -+ - if (is_mergeable_vma(vma, file, vm_flags) && - is_mergeable_anon_vma(anon_vma, vma->anon_vma)) { - pgoff_t vm_pglen; -@@ -780,13 +814,20 @@ can_vma_merge_after(struct vm_area_struc - struct vm_area_struct *vma_merge(struct mm_struct *mm, - struct vm_area_struct *prev, unsigned long addr, - unsigned long end, unsigned long vm_flags, -- struct anon_vma *anon_vma, struct file *file, -+ struct anon_vma *anon_vma, struct file *file, - pgoff_t pgoff, struct mempolicy *policy) - { - pgoff_t pglen = (end - addr) >> PAGE_SHIFT; - struct vm_area_struct *area, *next; - int err; - -+#ifdef CONFIG_PAX_SEGMEXEC -+ unsigned long addr_m = addr + SEGMEXEC_TASK_SIZE, end_m = end + SEGMEXEC_TASK_SIZE; -+ struct vm_area_struct *area_m = NULL, *next_m = NULL, *prev_m = NULL; -+ -+ BUG_ON((mm->pax_flags & MF_PAX_SEGMEXEC) && SEGMEXEC_TASK_SIZE < end); -+#endif -+ - /* - * We later require that vma->vm_flags == vm_flags, - * so this tests vma->vm_flags & VM_SPECIAL, too. -@@ -802,6 +843,15 @@ struct vm_area_struct *vma_merge(struct - if (next && next->vm_end == end) /* cases 6, 7, 8 */ - next = next->vm_next; - -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (prev) -+ prev_m = pax_find_mirror_vma(prev); -+ if (area) -+ area_m = pax_find_mirror_vma(area); -+ if (next) -+ next_m = pax_find_mirror_vma(next); -+#endif -+ - /* - * Can it merge with the predecessor? - */ -@@ -821,9 +871,24 @@ struct vm_area_struct *vma_merge(struct - /* cases 1, 6 */ - err = vma_adjust(prev, prev->vm_start, - next->vm_end, prev->vm_pgoff, NULL); -- } else /* cases 2, 5, 7 */ -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (!err && prev_m) -+ err = vma_adjust(prev_m, prev_m->vm_start, -+ next_m->vm_end, prev_m->vm_pgoff, NULL); -+#endif -+ -+ } else { /* cases 2, 5, 7 */ - err = vma_adjust(prev, prev->vm_start, - end, prev->vm_pgoff, NULL); -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (!err && prev_m) -+ err = vma_adjust(prev_m, prev_m->vm_start, -+ end_m, prev_m->vm_pgoff, NULL); -+#endif -+ -+ } - if (err) - return NULL; - khugepaged_enter_vma_merge(prev); -@@ -837,12 +902,27 @@ struct vm_area_struct *vma_merge(struct - mpol_equal(policy, vma_policy(next)) && - can_vma_merge_before(next, vm_flags, - anon_vma, file, pgoff+pglen)) { -- if (prev && addr < prev->vm_end) /* case 4 */ -+ if (prev && addr < prev->vm_end) { /* case 4 */ - err = vma_adjust(prev, prev->vm_start, - addr, prev->vm_pgoff, NULL); -- else /* cases 3, 8 */ -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (!err && prev_m) -+ err = vma_adjust(prev_m, prev_m->vm_start, -+ addr_m, prev_m->vm_pgoff, NULL); -+#endif -+ -+ } else { /* cases 3, 8 */ - err = vma_adjust(area, addr, next->vm_end, - next->vm_pgoff - pglen, NULL); -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (!err && area_m) -+ err = vma_adjust(area_m, addr_m, next_m->vm_end, -+ next_m->vm_pgoff - pglen, NULL); -+#endif -+ -+ } - if (err) - return NULL; - khugepaged_enter_vma_merge(area); -@@ -958,14 +1038,11 @@ none: - void vm_stat_account(struct mm_struct *mm, unsigned long flags, - struct file *file, long pages) - { -- const unsigned long stack_flags -- = VM_STACK_FLAGS & (VM_GROWSUP|VM_GROWSDOWN); -- - if (file) { - mm->shared_vm += pages; - if ((flags & (VM_EXEC|VM_WRITE)) == VM_EXEC) - mm->exec_vm += pages; -- } else if (flags & stack_flags) -+ } else if (flags & (VM_GROWSUP|VM_GROWSDOWN)) - mm->stack_vm += pages; - if (flags & (VM_RESERVED|VM_IO)) - mm->reserved_vm += pages; -@@ -992,7 +1069,7 @@ unsigned long do_mmap_pgoff(struct file - * (the exception is when the underlying filesystem is noexec - * mounted, in which case we dont add PROT_EXEC.) - */ -- if ((prot & PROT_READ) && (current->personality & READ_IMPLIES_EXEC)) -+ if ((prot & (PROT_READ | PROT_WRITE)) && (current->personality & READ_IMPLIES_EXEC)) - if (!(file && (file->f_path.mnt->mnt_flags & MNT_NOEXEC))) - prot |= PROT_EXEC; - -@@ -1018,7 +1095,7 @@ unsigned long do_mmap_pgoff(struct file - /* Obtain the address to map to. we verify (or select) it and ensure - * that it represents a valid section of the address space. - */ -- addr = get_unmapped_area(file, addr, len, pgoff, flags); -+ addr = get_unmapped_area(file, addr, len, pgoff, flags | ((prot & PROT_EXEC) ? MAP_EXECUTABLE : 0)); - if (addr & ~PAGE_MASK) - return addr; - -@@ -1029,6 +1106,36 @@ unsigned long do_mmap_pgoff(struct file - vm_flags = calc_vm_prot_bits(prot) | calc_vm_flag_bits(flags) | - mm->def_flags | VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC; - -+#ifdef CONFIG_PAX_MPROTECT -+ if (mm->pax_flags & MF_PAX_MPROTECT) { -+#ifndef CONFIG_PAX_MPROTECT_COMPAT -+ if ((vm_flags & (VM_WRITE | VM_EXEC)) == (VM_WRITE | VM_EXEC)) { -+ gr_log_rwxmmap(file); -+ -+#ifdef CONFIG_PAX_EMUPLT -+ vm_flags &= ~VM_EXEC; -+#else -+ return -EPERM; -+#endif -+ -+ } -+ -+ if (!(vm_flags & VM_EXEC)) -+ vm_flags &= ~VM_MAYEXEC; -+#else -+ if ((vm_flags & (VM_WRITE | VM_EXEC)) != VM_EXEC) -+ vm_flags &= ~(VM_EXEC | VM_MAYEXEC); -+#endif -+ else -+ vm_flags &= ~VM_MAYWRITE; -+ } -+#endif -+ -+#if defined(CONFIG_PAX_PAGEEXEC) && defined(CONFIG_X86_32) -+ if ((mm->pax_flags & MF_PAX_PAGEEXEC) && file) -+ vm_flags &= ~VM_PAGEEXEC; -+#endif -+ - if (flags & MAP_LOCKED) - if (!can_do_mlock()) - return -EPERM; -@@ -1040,6 +1147,7 @@ unsigned long do_mmap_pgoff(struct file - locked += mm->locked_vm; - lock_limit = rlimit(RLIMIT_MEMLOCK); - lock_limit >>= PAGE_SHIFT; -+ gr_learn_resource(current, RLIMIT_MEMLOCK, locked << PAGE_SHIFT, 1); - if (locked > lock_limit && !capable(CAP_IPC_LOCK)) - return -EAGAIN; - } -@@ -1110,6 +1218,9 @@ unsigned long do_mmap_pgoff(struct file - if (error) - return error; - -+ if (!gr_acl_handle_mmap(file, prot)) -+ return -EACCES; -+ - return mmap_region(file, addr, len, flags, vm_flags, pgoff); - } - EXPORT_SYMBOL(do_mmap_pgoff); -@@ -1187,10 +1298,10 @@ SYSCALL_DEFINE1(old_mmap, struct mmap_ar - */ - int vma_wants_writenotify(struct vm_area_struct *vma) - { -- unsigned int vm_flags = vma->vm_flags; -+ unsigned long vm_flags = vma->vm_flags; - - /* If it was private or non-writable, the write bit is already clear */ -- if ((vm_flags & (VM_WRITE|VM_SHARED)) != ((VM_WRITE|VM_SHARED))) -+ if ((vm_flags & (VM_WRITE|VM_SHARED)) != (VM_WRITE|VM_SHARED)) - return 0; - - /* The backer wishes to know when pages are first written to? */ -@@ -1239,14 +1350,24 @@ unsigned long mmap_region(struct file *f - unsigned long charged = 0; - struct inode *inode = file ? file->f_path.dentry->d_inode : NULL; - -+#ifdef CONFIG_PAX_SEGMEXEC -+ struct vm_area_struct *vma_m = NULL; -+#endif -+ -+ /* -+ * mm->mmap_sem is required to protect against another thread -+ * changing the mappings in case we sleep. -+ */ -+ verify_mm_writelocked(mm); -+ - /* Clear old maps */ - error = -ENOMEM; --munmap_back: - vma = find_vma_prepare(mm, addr, &prev, &rb_link, &rb_parent); - if (vma && vma->vm_start < addr + len) { - if (do_munmap(mm, addr, len)) - return -ENOMEM; -- goto munmap_back; -+ vma = find_vma_prepare(mm, addr, &prev, &rb_link, &rb_parent); -+ BUG_ON(vma && vma->vm_start < addr + len); - } - - /* Check against address space limit. */ -@@ -1295,6 +1416,16 @@ munmap_back: - goto unacct_error; - } - -+#ifdef CONFIG_PAX_SEGMEXEC -+ if ((mm->pax_flags & MF_PAX_SEGMEXEC) && (vm_flags & VM_EXEC)) { -+ vma_m = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL); -+ if (!vma_m) { -+ error = -ENOMEM; -+ goto free_vma; -+ } -+ } -+#endif -+ - vma->vm_mm = mm; - vma->vm_start = addr; - vma->vm_end = addr + len; -@@ -1318,6 +1449,19 @@ munmap_back: - error = file->f_op->mmap(file, vma); - if (error) - goto unmap_and_free_vma; -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (vma_m && (vm_flags & VM_EXECUTABLE)) -+ added_exe_file_vma(mm); -+#endif -+ -+#if defined(CONFIG_PAX_PAGEEXEC) && defined(CONFIG_X86_32) -+ if ((mm->pax_flags & MF_PAX_PAGEEXEC) && !(vma->vm_flags & VM_SPECIAL)) { -+ vma->vm_flags |= VM_PAGEEXEC; -+ vma->vm_page_prot = vm_get_page_prot(vma->vm_flags); -+ } -+#endif -+ - if (vm_flags & VM_EXECUTABLE) - added_exe_file_vma(mm); - -@@ -1353,6 +1497,11 @@ munmap_back: - vma_link(mm, vma, prev, rb_link, rb_parent); - file = vma->vm_file; - -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (vma_m) -+ BUG_ON(pax_mirror_vma(vma_m, vma)); -+#endif -+ - /* Once vma denies write, undo our temporary denial count */ - if (correct_wcount) - atomic_inc(&inode->i_writecount); -@@ -1361,6 +1510,7 @@ out: - - mm->total_vm += len >> PAGE_SHIFT; - vm_stat_account(mm, vm_flags, file, len >> PAGE_SHIFT); -+ track_exec_limit(mm, addr, addr + len, vm_flags); - if (vm_flags & VM_LOCKED) { - if (!mlock_vma_pages_range(vma, addr, addr + len)) - mm->locked_vm += (len >> PAGE_SHIFT); -@@ -1378,6 +1528,12 @@ unmap_and_free_vma: - unmap_region(mm, vma, prev, vma->vm_start, vma->vm_end); - charged = 0; - free_vma: -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (vma_m) -+ kmem_cache_free(vm_area_cachep, vma_m); -+#endif -+ - kmem_cache_free(vm_area_cachep, vma); - unacct_error: - if (charged) -@@ -1385,6 +1541,44 @@ unacct_error: - return error; - } - -+bool check_heap_stack_gap(const struct vm_area_struct *vma, unsigned long addr, unsigned long len) -+{ -+ if (!vma) { -+#ifdef CONFIG_STACK_GROWSUP -+ if (addr > sysctl_heap_stack_gap) -+ vma = find_vma(current->mm, addr - sysctl_heap_stack_gap); -+ else -+ vma = find_vma(current->mm, 0); -+ if (vma && (vma->vm_flags & VM_GROWSUP)) -+ return false; -+#endif -+ return true; -+ } -+ -+ if (addr + len > vma->vm_start) -+ return false; -+ -+ if (vma->vm_flags & VM_GROWSDOWN) -+ return sysctl_heap_stack_gap <= vma->vm_start - addr - len; -+#ifdef CONFIG_STACK_GROWSUP -+ else if (vma->vm_prev && (vma->vm_prev->vm_flags & VM_GROWSUP)) -+ return addr - vma->vm_prev->vm_end <= sysctl_heap_stack_gap; -+#endif -+ -+ return true; -+} -+ -+unsigned long skip_heap_stack_gap(const struct vm_area_struct *vma, unsigned long len) -+{ -+ if (vma->vm_start < len) -+ return -ENOMEM; -+ if (!(vma->vm_flags & VM_GROWSDOWN)) -+ return vma->vm_start - len; -+ if (sysctl_heap_stack_gap <= vma->vm_start - len) -+ return vma->vm_start - len - sysctl_heap_stack_gap; -+ return -ENOMEM; -+} -+ - /* Get an address range which is currently unmapped. - * For shmat() with addr=0. - * -@@ -1411,18 +1605,23 @@ arch_get_unmapped_area(struct file *filp - if (flags & MAP_FIXED) - return addr; - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ - if (addr) { - addr = PAGE_ALIGN(addr); -- vma = find_vma(mm, addr); -- if (TASK_SIZE - len >= addr && -- (!vma || addr + len <= vma->vm_start)) -- return addr; -+ if (TASK_SIZE - len >= addr) { -+ vma = find_vma(mm, addr); -+ if (check_heap_stack_gap(vma, addr, len)) -+ return addr; -+ } - } - if (len > mm->cached_hole_size) { -- start_addr = addr = mm->free_area_cache; -+ start_addr = addr = mm->free_area_cache; - } else { -- start_addr = addr = TASK_UNMAPPED_BASE; -- mm->cached_hole_size = 0; -+ start_addr = addr = mm->mmap_base; -+ mm->cached_hole_size = 0; - } - - full_search: -@@ -1433,34 +1632,40 @@ full_search: - * Start a new search - just in case we missed - * some holes. - */ -- if (start_addr != TASK_UNMAPPED_BASE) { -- addr = TASK_UNMAPPED_BASE; -- start_addr = addr; -+ if (start_addr != mm->mmap_base) { -+ start_addr = addr = mm->mmap_base; - mm->cached_hole_size = 0; - goto full_search; - } - return -ENOMEM; - } -- if (!vma || addr + len <= vma->vm_start) { -- /* -- * Remember the place where we stopped the search: -- */ -- mm->free_area_cache = addr + len; -- return addr; -- } -+ if (check_heap_stack_gap(vma, addr, len)) -+ break; - if (addr + mm->cached_hole_size < vma->vm_start) - mm->cached_hole_size = vma->vm_start - addr; - addr = vma->vm_end; - } -+ -+ /* -+ * Remember the place where we stopped the search: -+ */ -+ mm->free_area_cache = addr + len; -+ return addr; - } - #endif - - void arch_unmap_area(struct mm_struct *mm, unsigned long addr) - { -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if ((mm->pax_flags & MF_PAX_SEGMEXEC) && SEGMEXEC_TASK_SIZE <= addr) -+ return; -+#endif -+ - /* - * Is this a new hole at the lowest possible address? - */ -- if (addr >= TASK_UNMAPPED_BASE && addr < mm->free_area_cache) { -+ if (addr >= mm->mmap_base && addr < mm->free_area_cache) { - mm->free_area_cache = addr; - mm->cached_hole_size = ~0UL; - } -@@ -1478,7 +1683,7 @@ arch_get_unmapped_area_topdown(struct fi - { - struct vm_area_struct *vma; - struct mm_struct *mm = current->mm; -- unsigned long addr = addr0; -+ unsigned long base = mm->mmap_base, addr = addr0; - - /* requested length too big for entire address space */ - if (len > TASK_SIZE) -@@ -1487,13 +1692,18 @@ arch_get_unmapped_area_topdown(struct fi - if (flags & MAP_FIXED) - return addr; - -+#ifdef CONFIG_PAX_RANDMMAP -+ if (!(mm->pax_flags & MF_PAX_RANDMMAP)) -+#endif -+ - /* requesting a specific address */ - if (addr) { - addr = PAGE_ALIGN(addr); -- vma = find_vma(mm, addr); -- if (TASK_SIZE - len >= addr && -- (!vma || addr + len <= vma->vm_start)) -- return addr; -+ if (TASK_SIZE - len >= addr) { -+ vma = find_vma(mm, addr); -+ if (check_heap_stack_gap(vma, addr, len)) -+ return addr; -+ } - } - - /* check if free_area_cache is useful for us */ -@@ -1508,7 +1718,7 @@ arch_get_unmapped_area_topdown(struct fi - /* make sure it can fit in the remaining address space */ - if (addr > len) { - vma = find_vma(mm, addr-len); -- if (!vma || addr <= vma->vm_start) -+ if (check_heap_stack_gap(vma, addr - len, len)) - /* remember the address as a hint for next time */ - return (mm->free_area_cache = addr-len); - } -@@ -1525,7 +1735,7 @@ arch_get_unmapped_area_topdown(struct fi - * return with success: - */ - vma = find_vma(mm, addr); -- if (!vma || addr+len <= vma->vm_start) -+ if (check_heap_stack_gap(vma, addr, len)) - /* remember the address as a hint for next time */ - return (mm->free_area_cache = addr); - -@@ -1534,8 +1744,8 @@ arch_get_unmapped_area_topdown(struct fi - mm->cached_hole_size = vma->vm_start - addr; - - /* try just below the current vma->vm_start */ -- addr = vma->vm_start-len; -- } while (len < vma->vm_start); -+ addr = skip_heap_stack_gap(vma, len); -+ } while (!IS_ERR_VALUE(addr)); - - bottomup: - /* -@@ -1544,13 +1754,21 @@ bottomup: - * can happen with large stack limits and large mmap() - * allocations. - */ -+ mm->mmap_base = TASK_UNMAPPED_BASE; -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) -+ mm->mmap_base += mm->delta_mmap; -+#endif -+ -+ mm->free_area_cache = mm->mmap_base; - mm->cached_hole_size = ~0UL; -- mm->free_area_cache = TASK_UNMAPPED_BASE; - addr = arch_get_unmapped_area(filp, addr0, len, pgoff, flags); - /* - * Restore the topdown base: - */ -- mm->free_area_cache = mm->mmap_base; -+ mm->mmap_base = base; -+ mm->free_area_cache = base; - mm->cached_hole_size = ~0UL; - - return addr; -@@ -1559,6 +1777,12 @@ bottomup: - - void arch_unmap_area_topdown(struct mm_struct *mm, unsigned long addr) - { -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if ((mm->pax_flags & MF_PAX_SEGMEXEC) && SEGMEXEC_TASK_SIZE <= addr) -+ return; -+#endif -+ - /* - * Is this a new hole at the highest possible address? - */ -@@ -1566,8 +1790,10 @@ void arch_unmap_area_topdown(struct mm_s - mm->free_area_cache = addr; - - /* dont allow allocations above current base */ -- if (mm->free_area_cache > mm->mmap_base) -+ if (mm->free_area_cache > mm->mmap_base) { - mm->free_area_cache = mm->mmap_base; -+ mm->cached_hole_size = ~0UL; -+ } - } - - unsigned long -@@ -1675,6 +1901,28 @@ out: - return prev ? prev->vm_next : vma; - } - -+#ifdef CONFIG_PAX_SEGMEXEC -+struct vm_area_struct *pax_find_mirror_vma(struct vm_area_struct *vma) -+{ -+ struct vm_area_struct *vma_m; -+ -+ BUG_ON(!vma || vma->vm_start >= vma->vm_end); -+ if (!(vma->vm_mm->pax_flags & MF_PAX_SEGMEXEC) || !(vma->vm_flags & VM_EXEC)) { -+ BUG_ON(vma->vm_mirror); -+ return NULL; -+ } -+ BUG_ON(vma->vm_start < SEGMEXEC_TASK_SIZE && SEGMEXEC_TASK_SIZE < vma->vm_end); -+ vma_m = vma->vm_mirror; -+ BUG_ON(!vma_m || vma_m->vm_mirror != vma); -+ BUG_ON(vma->vm_file != vma_m->vm_file); -+ BUG_ON(vma->vm_end - vma->vm_start != vma_m->vm_end - vma_m->vm_start); -+ BUG_ON(vma->vm_pgoff != vma_m->vm_pgoff); -+ BUG_ON(vma->anon_vma != vma_m->anon_vma && vma->anon_vma->root != vma_m->anon_vma->root); -+ BUG_ON((vma->vm_flags ^ vma_m->vm_flags) & ~(VM_WRITE | VM_MAYWRITE | VM_ACCOUNT | VM_LOCKED | VM_RESERVED)); -+ return vma_m; -+} -+#endif -+ - /* - * Verify that the stack growth is acceptable and - * update accounting. This is shared with both the -@@ -1691,6 +1939,7 @@ static int acct_stack_growth(struct vm_a - return -ENOMEM; - - /* Stack limit test */ -+ gr_learn_resource(current, RLIMIT_STACK, size, 1); - if (size > ACCESS_ONCE(rlim[RLIMIT_STACK].rlim_cur)) - return -ENOMEM; - -@@ -1701,6 +1950,7 @@ static int acct_stack_growth(struct vm_a - locked = mm->locked_vm + grow; - limit = ACCESS_ONCE(rlim[RLIMIT_MEMLOCK].rlim_cur); - limit >>= PAGE_SHIFT; -+ gr_learn_resource(current, RLIMIT_MEMLOCK, locked << PAGE_SHIFT, 1); - if (locked > limit && !capable(CAP_IPC_LOCK)) - return -ENOMEM; - } -@@ -1731,37 +1981,48 @@ static int acct_stack_growth(struct vm_a - * PA-RISC uses this for its stack; IA64 for its Register Backing Store. - * vma is the last one with address > vma->vm_end. Have to extend vma. - */ -+#ifndef CONFIG_IA64 -+static -+#endif - int expand_upwards(struct vm_area_struct *vma, unsigned long address) - { - int error; -+ bool locknext; - - if (!(vma->vm_flags & VM_GROWSUP)) - return -EFAULT; - -+ /* Also guard against wrapping around to address 0. */ -+ if (address < PAGE_ALIGN(address+1)) -+ address = PAGE_ALIGN(address+1); -+ else -+ return -ENOMEM; -+ - /* - * We must make sure the anon_vma is allocated - * so that the anon_vma locking is not a noop. - */ - if (unlikely(anon_vma_prepare(vma))) - return -ENOMEM; -+ locknext = vma->vm_next && (vma->vm_next->vm_flags & VM_GROWSDOWN); -+ if (locknext && anon_vma_prepare(vma->vm_next)) -+ return -ENOMEM; - vma_lock_anon_vma(vma); -+ if (locknext) -+ vma_lock_anon_vma(vma->vm_next); - - /* - * vma->vm_start/vm_end cannot change under us because the caller - * is required to hold the mmap_sem in read mode. We need the -- * anon_vma lock to serialize against concurrent expand_stacks. -- * Also guard against wrapping around to address 0. -+ * anon_vma locks to serialize against concurrent expand_stacks -+ * and expand_upwards. - */ -- if (address < PAGE_ALIGN(address+4)) -- address = PAGE_ALIGN(address+4); -- else { -- vma_unlock_anon_vma(vma); -- return -ENOMEM; -- } - error = 0; - - /* Somebody else might have raced and expanded it already */ -- if (address > vma->vm_end) { -+ if (vma->vm_next && (vma->vm_next->vm_flags & (VM_READ | VM_WRITE | VM_EXEC)) && vma->vm_next->vm_start - address < sysctl_heap_stack_gap) -+ error = -ENOMEM; -+ else if (address > vma->vm_end && (!locknext || vma->vm_next->vm_start >= address)) { - unsigned long size, grow; - - size = address - vma->vm_start; -@@ -1776,6 +2037,8 @@ int expand_upwards(struct vm_area_struct - } - } - } -+ if (locknext) -+ vma_unlock_anon_vma(vma->vm_next); - vma_unlock_anon_vma(vma); - khugepaged_enter_vma_merge(vma); - return error; -@@ -1789,6 +2052,8 @@ static int expand_downwards(struct vm_ar - unsigned long address) - { - int error; -+ bool lockprev = false; -+ struct vm_area_struct *prev; - - /* - * We must make sure the anon_vma is allocated -@@ -1802,6 +2067,15 @@ static int expand_downwards(struct vm_ar - if (error) - return error; - -+ prev = vma->vm_prev; -+#if defined(CONFIG_STACK_GROWSUP) || defined(CONFIG_IA64) -+ lockprev = prev && (prev->vm_flags & VM_GROWSUP); -+#endif -+ if (lockprev && anon_vma_prepare(prev)) -+ return -ENOMEM; -+ if (lockprev) -+ vma_lock_anon_vma(prev); -+ - vma_lock_anon_vma(vma); - - /* -@@ -1811,9 +2085,17 @@ static int expand_downwards(struct vm_ar - */ - - /* Somebody else might have raced and expanded it already */ -- if (address < vma->vm_start) { -+ if (prev && (prev->vm_flags & (VM_READ | VM_WRITE | VM_EXEC)) && address - prev->vm_end < sysctl_heap_stack_gap) -+ error = -ENOMEM; -+ else if (address < vma->vm_start && (!lockprev || prev->vm_end <= address)) { - unsigned long size, grow; - -+#ifdef CONFIG_PAX_SEGMEXEC -+ struct vm_area_struct *vma_m; -+ -+ vma_m = pax_find_mirror_vma(vma); -+#endif -+ - size = vma->vm_end - address; - grow = (vma->vm_start - address) >> PAGE_SHIFT; - -@@ -1823,11 +2105,22 @@ static int expand_downwards(struct vm_ar - if (!error) { - vma->vm_start = address; - vma->vm_pgoff -= grow; -+ track_exec_limit(vma->vm_mm, vma->vm_start, vma->vm_end, vma->vm_flags); -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (vma_m) { -+ vma_m->vm_start -= grow << PAGE_SHIFT; -+ vma_m->vm_pgoff -= grow; -+ } -+#endif -+ - perf_event_mmap(vma); - } - } - } - vma_unlock_anon_vma(vma); -+ if (lockprev) -+ vma_unlock_anon_vma(prev); - khugepaged_enter_vma_merge(vma); - return error; - } -@@ -1902,6 +2195,13 @@ static void remove_vma_list(struct mm_st - do { - long nrpages = vma_pages(vma); - -+#ifdef CONFIG_PAX_SEGMEXEC -+ if ((mm->pax_flags & MF_PAX_SEGMEXEC) && (vma->vm_start >= SEGMEXEC_TASK_SIZE)) { -+ vma = remove_vma(vma); -+ continue; -+ } -+#endif -+ - mm->total_vm -= nrpages; - vm_stat_account(mm, vma->vm_flags, vma->vm_file, -nrpages); - vma = remove_vma(vma); -@@ -1947,6 +2247,16 @@ detach_vmas_to_be_unmapped(struct mm_str - insertion_point = (prev ? &prev->vm_next : &mm->mmap); - vma->vm_prev = NULL; - do { -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (vma->vm_mirror) { -+ BUG_ON(!vma->vm_mirror->vm_mirror || vma->vm_mirror->vm_mirror != vma); -+ vma->vm_mirror->vm_mirror = NULL; -+ vma->vm_mirror->vm_flags &= ~VM_EXEC; -+ vma->vm_mirror = NULL; -+ } -+#endif -+ - rb_erase(&vma->vm_rb, &mm->mm_rb); - mm->map_count--; - tail_vma = vma; -@@ -1975,14 +2285,33 @@ static int __split_vma(struct mm_struct - struct vm_area_struct *new; - int err = -ENOMEM; - -+#ifdef CONFIG_PAX_SEGMEXEC -+ struct vm_area_struct *vma_m, *new_m = NULL; -+ unsigned long addr_m = addr + SEGMEXEC_TASK_SIZE; -+#endif -+ - if (is_vm_hugetlb_page(vma) && (addr & - ~(huge_page_mask(hstate_vma(vma))))) - return -EINVAL; - -+#ifdef CONFIG_PAX_SEGMEXEC -+ vma_m = pax_find_mirror_vma(vma); -+#endif -+ - new = kmem_cache_alloc(vm_area_cachep, GFP_KERNEL); - if (!new) - goto out_err; - -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (vma_m) { -+ new_m = kmem_cache_alloc(vm_area_cachep, GFP_KERNEL); -+ if (!new_m) { -+ kmem_cache_free(vm_area_cachep, new); -+ goto out_err; -+ } -+ } -+#endif -+ - /* most fields are the same, copy all, and then fixup */ - *new = *vma; - -@@ -1995,6 +2324,22 @@ static int __split_vma(struct mm_struct - new->vm_pgoff += ((addr - vma->vm_start) >> PAGE_SHIFT); - } - -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (vma_m) { -+ *new_m = *vma_m; -+ INIT_LIST_HEAD(&new_m->anon_vma_chain); -+ new_m->vm_mirror = new; -+ new->vm_mirror = new_m; -+ -+ if (new_below) -+ new_m->vm_end = addr_m; -+ else { -+ new_m->vm_start = addr_m; -+ new_m->vm_pgoff += ((addr_m - vma_m->vm_start) >> PAGE_SHIFT); -+ } -+ } -+#endif -+ - pol = mpol_dup(vma_policy(vma)); - if (IS_ERR(pol)) { - err = PTR_ERR(pol); -@@ -2020,6 +2365,42 @@ static int __split_vma(struct mm_struct - else - err = vma_adjust(vma, vma->vm_start, addr, vma->vm_pgoff, new); - -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (!err && vma_m) { -+ if (anon_vma_clone(new_m, vma_m)) -+ goto out_free_mpol; -+ -+ mpol_get(pol); -+ vma_set_policy(new_m, pol); -+ -+ if (new_m->vm_file) { -+ get_file(new_m->vm_file); -+ if (vma_m->vm_flags & VM_EXECUTABLE) -+ added_exe_file_vma(mm); -+ } -+ -+ if (new_m->vm_ops && new_m->vm_ops->open) -+ new_m->vm_ops->open(new_m); -+ -+ if (new_below) -+ err = vma_adjust(vma_m, addr_m, vma_m->vm_end, vma_m->vm_pgoff + -+ ((addr_m - new_m->vm_start) >> PAGE_SHIFT), new_m); -+ else -+ err = vma_adjust(vma_m, vma_m->vm_start, addr_m, vma_m->vm_pgoff, new_m); -+ -+ if (err) { -+ if (new_m->vm_ops && new_m->vm_ops->close) -+ new_m->vm_ops->close(new_m); -+ if (new_m->vm_file) { -+ if (vma_m->vm_flags & VM_EXECUTABLE) -+ removed_exe_file_vma(mm); -+ fput(new_m->vm_file); -+ } -+ mpol_put(pol); -+ } -+ } -+#endif -+ - /* Success. */ - if (!err) - return 0; -@@ -2032,10 +2413,18 @@ static int __split_vma(struct mm_struct - removed_exe_file_vma(mm); - fput(new->vm_file); - } -- unlink_anon_vmas(new); - out_free_mpol: - mpol_put(pol); - out_free_vma: -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (new_m) { -+ unlink_anon_vmas(new_m); -+ kmem_cache_free(vm_area_cachep, new_m); -+ } -+#endif -+ -+ unlink_anon_vmas(new); - kmem_cache_free(vm_area_cachep, new); - out_err: - return err; -@@ -2048,6 +2437,15 @@ static int __split_vma(struct mm_struct - int split_vma(struct mm_struct *mm, struct vm_area_struct *vma, - unsigned long addr, int new_below) - { -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (mm->pax_flags & MF_PAX_SEGMEXEC) { -+ BUG_ON(vma->vm_end > SEGMEXEC_TASK_SIZE); -+ if (mm->map_count >= sysctl_max_map_count-1) -+ return -ENOMEM; -+ } else -+#endif -+ - if (mm->map_count >= sysctl_max_map_count) - return -ENOMEM; - -@@ -2059,11 +2457,30 @@ int split_vma(struct mm_struct *mm, stru - * work. This now handles partial unmappings. - * Jeremy Fitzhardinge <jeremy@goop.org> - */ -+#ifdef CONFIG_PAX_SEGMEXEC -+int do_munmap(struct mm_struct *mm, unsigned long start, size_t len) -+{ -+ int ret = __do_munmap(mm, start, len); -+ if (ret || !(mm->pax_flags & MF_PAX_SEGMEXEC)) -+ return ret; -+ -+ return __do_munmap(mm, start + SEGMEXEC_TASK_SIZE, len); -+} -+ -+int __do_munmap(struct mm_struct *mm, unsigned long start, size_t len) -+#else - int do_munmap(struct mm_struct *mm, unsigned long start, size_t len) -+#endif - { - unsigned long end; - struct vm_area_struct *vma, *prev, *last; - -+ /* -+ * mm->mmap_sem is required to protect against another thread -+ * changing the mappings in case we sleep. -+ */ -+ verify_mm_writelocked(mm); -+ - if ((start & ~PAGE_MASK) || start > TASK_SIZE || len > TASK_SIZE-start) - return -EINVAL; - -@@ -2137,6 +2554,8 @@ int do_munmap(struct mm_struct *mm, unsi - /* Fix up all other VM information */ - remove_vma_list(mm, vma); - -+ track_exec_limit(mm, start, end, 0UL); -+ - return 0; - } - -@@ -2149,22 +2568,18 @@ SYSCALL_DEFINE2(munmap, unsigned long, a - - profile_munmap(addr); - -+#ifdef CONFIG_PAX_SEGMEXEC -+ if ((mm->pax_flags & MF_PAX_SEGMEXEC) && -+ (len > SEGMEXEC_TASK_SIZE || addr > SEGMEXEC_TASK_SIZE-len)) -+ return -EINVAL; -+#endif -+ - down_write(&mm->mmap_sem); - ret = do_munmap(mm, addr, len); - up_write(&mm->mmap_sem); - return ret; - } - --static inline void verify_mm_writelocked(struct mm_struct *mm) --{ --#ifdef CONFIG_DEBUG_VM -- if (unlikely(down_read_trylock(&mm->mmap_sem))) { -- WARN_ON(1); -- up_read(&mm->mmap_sem); -- } --#endif --} -- - /* - * this is really a simplified "do_mmap". it only handles - * anonymous maps. eventually we may be able to do some -@@ -2178,6 +2593,7 @@ unsigned long do_brk(unsigned long addr, - struct rb_node ** rb_link, * rb_parent; - pgoff_t pgoff = addr >> PAGE_SHIFT; - int error; -+ unsigned long charged; - - len = PAGE_ALIGN(len); - if (!len) -@@ -2189,16 +2605,30 @@ unsigned long do_brk(unsigned long addr, - - flags = VM_DATA_DEFAULT_FLAGS | VM_ACCOUNT | mm->def_flags; - -+#if defined(CONFIG_PAX_PAGEEXEC) || defined(CONFIG_PAX_SEGMEXEC) -+ if (mm->pax_flags & (MF_PAX_PAGEEXEC | MF_PAX_SEGMEXEC)) { -+ flags &= ~VM_EXEC; -+ -+#ifdef CONFIG_PAX_MPROTECT -+ if (mm->pax_flags & MF_PAX_MPROTECT) -+ flags &= ~VM_MAYEXEC; -+#endif -+ -+ } -+#endif -+ - error = get_unmapped_area(NULL, addr, len, 0, MAP_FIXED); - if (error & ~PAGE_MASK) - return error; - -+ charged = len >> PAGE_SHIFT; -+ - /* - * mlock MCL_FUTURE? - */ - if (mm->def_flags & VM_LOCKED) { - unsigned long locked, lock_limit; -- locked = len >> PAGE_SHIFT; -+ locked = charged; - locked += mm->locked_vm; - lock_limit = rlimit(RLIMIT_MEMLOCK); - lock_limit >>= PAGE_SHIFT; -@@ -2215,22 +2645,22 @@ unsigned long do_brk(unsigned long addr, - /* - * Clear old maps. this also does some error checking for us - */ -- munmap_back: - vma = find_vma_prepare(mm, addr, &prev, &rb_link, &rb_parent); - if (vma && vma->vm_start < addr + len) { - if (do_munmap(mm, addr, len)) - return -ENOMEM; -- goto munmap_back; -+ vma = find_vma_prepare(mm, addr, &prev, &rb_link, &rb_parent); -+ BUG_ON(vma && vma->vm_start < addr + len); - } - - /* Check against address space limits *after* clearing old maps... */ -- if (!may_expand_vm(mm, len >> PAGE_SHIFT)) -+ if (!may_expand_vm(mm, charged)) - return -ENOMEM; - - if (mm->map_count > sysctl_max_map_count) - return -ENOMEM; - -- if (security_vm_enough_memory(len >> PAGE_SHIFT)) -+ if (security_vm_enough_memory(charged)) - return -ENOMEM; - - /* Can we just expand an old private anonymous mapping? */ -@@ -2244,7 +2674,7 @@ unsigned long do_brk(unsigned long addr, - */ - vma = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL); - if (!vma) { -- vm_unacct_memory(len >> PAGE_SHIFT); -+ vm_unacct_memory(charged); - return -ENOMEM; - } - -@@ -2258,11 +2688,12 @@ unsigned long do_brk(unsigned long addr, - vma_link(mm, vma, prev, rb_link, rb_parent); - out: - perf_event_mmap(vma); -- mm->total_vm += len >> PAGE_SHIFT; -+ mm->total_vm += charged; - if (flags & VM_LOCKED) { - if (!mlock_vma_pages_range(vma, addr, addr + len)) -- mm->locked_vm += (len >> PAGE_SHIFT); -+ mm->locked_vm += charged; - } -+ track_exec_limit(mm, addr, addr + len, flags); - return addr; - } - -@@ -2309,8 +2740,10 @@ void exit_mmap(struct mm_struct *mm) - * Walk the list again, actually closing and freeing it, - * with preemption enabled, without holding any MM locks. - */ -- while (vma) -+ while (vma) { -+ vma->vm_mirror = NULL; - vma = remove_vma(vma); -+ } - - BUG_ON(mm->nr_ptes > (FIRST_USER_ADDRESS+PMD_SIZE-1)>>PMD_SHIFT); - } -@@ -2324,6 +2757,13 @@ int insert_vm_struct(struct mm_struct * - struct vm_area_struct * __vma, * prev; - struct rb_node ** rb_link, * rb_parent; - -+#ifdef CONFIG_PAX_SEGMEXEC -+ struct vm_area_struct *vma_m = NULL; -+#endif -+ -+ if (security_file_mmap(NULL, 0, 0, 0, vma->vm_start, 1)) -+ return -EPERM; -+ - /* - * The vm_pgoff of a purely anonymous vma should be irrelevant - * until its first write fault, when page's anon_vma and index -@@ -2346,7 +2786,22 @@ int insert_vm_struct(struct mm_struct * - if ((vma->vm_flags & VM_ACCOUNT) && - security_vm_enough_memory_mm(mm, vma_pages(vma))) - return -ENOMEM; -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if ((mm->pax_flags & MF_PAX_SEGMEXEC) && (vma->vm_flags & VM_EXEC)) { -+ vma_m = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL); -+ if (!vma_m) -+ return -ENOMEM; -+ } -+#endif -+ - vma_link(mm, vma, prev, rb_link, rb_parent); -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (vma_m) -+ BUG_ON(pax_mirror_vma(vma_m, vma)); -+#endif -+ - return 0; - } - -@@ -2364,6 +2819,8 @@ struct vm_area_struct *copy_vma(struct v - struct rb_node **rb_link, *rb_parent; - struct mempolicy *pol; - -+ BUG_ON(vma->vm_mirror); -+ - /* - * If anonymous vma has not yet been faulted, update new pgoff - * to match new location, to increase its chance of merging. -@@ -2413,6 +2870,39 @@ struct vm_area_struct *copy_vma(struct v - kmem_cache_free(vm_area_cachep, new_vma); - return NULL; - } -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+long pax_mirror_vma(struct vm_area_struct *vma_m, struct vm_area_struct *vma) -+{ -+ struct vm_area_struct *prev_m; -+ struct rb_node **rb_link_m, *rb_parent_m; -+ struct mempolicy *pol_m; -+ -+ BUG_ON(!(vma->vm_mm->pax_flags & MF_PAX_SEGMEXEC) || !(vma->vm_flags & VM_EXEC)); -+ BUG_ON(vma->vm_mirror || vma_m->vm_mirror); -+ BUG_ON(!mpol_equal(vma_policy(vma), vma_policy(vma_m))); -+ *vma_m = *vma; -+ INIT_LIST_HEAD(&vma_m->anon_vma_chain); -+ if (anon_vma_clone(vma_m, vma)) -+ return -ENOMEM; -+ pol_m = vma_policy(vma_m); -+ mpol_get(pol_m); -+ vma_set_policy(vma_m, pol_m); -+ vma_m->vm_start += SEGMEXEC_TASK_SIZE; -+ vma_m->vm_end += SEGMEXEC_TASK_SIZE; -+ vma_m->vm_flags &= ~(VM_WRITE | VM_MAYWRITE | VM_ACCOUNT | VM_LOCKED); -+ vma_m->vm_page_prot = vm_get_page_prot(vma_m->vm_flags); -+ if (vma_m->vm_file) -+ get_file(vma_m->vm_file); -+ if (vma_m->vm_ops && vma_m->vm_ops->open) -+ vma_m->vm_ops->open(vma_m); -+ find_vma_prepare(vma->vm_mm, vma_m->vm_start, &prev_m, &rb_link_m, &rb_parent_m); -+ vma_link(vma->vm_mm, vma_m, prev_m, rb_link_m, rb_parent_m); -+ vma_m->vm_mirror = vma; -+ vma->vm_mirror = vma_m; -+ return 0; -+} -+#endif - - /* - * Return true if the calling process may expand its vm space by the passed -@@ -2424,7 +2914,7 @@ int may_expand_vm(struct mm_struct *mm, - unsigned long lim; - - lim = rlimit(RLIMIT_AS) >> PAGE_SHIFT; -- -+ gr_learn_resource(current, RLIMIT_AS, (cur + npages) << PAGE_SHIFT, 1); - if (cur + npages > lim) - return 0; - return 1; -@@ -2495,6 +2985,22 @@ int install_special_mapping(struct mm_st - vma->vm_start = addr; - vma->vm_end = addr + len; - -+#ifdef CONFIG_PAX_MPROTECT -+ if (mm->pax_flags & MF_PAX_MPROTECT) { -+#ifndef CONFIG_PAX_MPROTECT_COMPAT -+ if ((vm_flags & (VM_WRITE | VM_EXEC)) == (VM_WRITE | VM_EXEC)) -+ return -EPERM; -+ if (!(vm_flags & VM_EXEC)) -+ vm_flags &= ~VM_MAYEXEC; -+#else -+ if ((vm_flags & (VM_WRITE | VM_EXEC)) != VM_EXEC) -+ vm_flags &= ~(VM_EXEC | VM_MAYEXEC); -+#endif -+ else -+ vm_flags &= ~VM_MAYWRITE; -+ } -+#endif -+ - vma->vm_flags = vm_flags | mm->def_flags | VM_DONTEXPAND; - vma->vm_page_prot = vm_get_page_prot(vma->vm_flags); - -diff -urNp linux-2.6.39.3/mm/mprotect.c linux-2.6.39.3/mm/mprotect.c ---- linux-2.6.39.3/mm/mprotect.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/mm/mprotect.c 2011-05-22 19:41:42.000000000 -0400 -@@ -23,10 +23,16 @@ - #include <linux/mmu_notifier.h> - #include <linux/migrate.h> - #include <linux/perf_event.h> -+ -+#ifdef CONFIG_PAX_MPROTECT -+#include <linux/elf.h> -+#endif -+ - #include <asm/uaccess.h> - #include <asm/pgtable.h> - #include <asm/cacheflush.h> - #include <asm/tlbflush.h> -+#include <asm/mmu_context.h> - - #ifndef pgprot_modify - static inline pgprot_t pgprot_modify(pgprot_t oldprot, pgprot_t newprot) -@@ -141,6 +147,48 @@ static void change_protection(struct vm_ - flush_tlb_range(vma, start, end); - } - -+#ifdef CONFIG_ARCH_TRACK_EXEC_LIMIT -+/* called while holding the mmap semaphor for writing except stack expansion */ -+void track_exec_limit(struct mm_struct *mm, unsigned long start, unsigned long end, unsigned long prot) -+{ -+ unsigned long oldlimit, newlimit = 0UL; -+ -+ if (!(mm->pax_flags & MF_PAX_PAGEEXEC) || (__supported_pte_mask & _PAGE_NX)) -+ return; -+ -+ spin_lock(&mm->page_table_lock); -+ oldlimit = mm->context.user_cs_limit; -+ if ((prot & VM_EXEC) && oldlimit < end) -+ /* USER_CS limit moved up */ -+ newlimit = end; -+ else if (!(prot & VM_EXEC) && start < oldlimit && oldlimit <= end) -+ /* USER_CS limit moved down */ -+ newlimit = start; -+ -+ if (newlimit) { -+ mm->context.user_cs_limit = newlimit; -+ -+#ifdef CONFIG_SMP -+ wmb(); -+ cpus_clear(mm->context.cpu_user_cs_mask); -+ cpu_set(smp_processor_id(), mm->context.cpu_user_cs_mask); -+#endif -+ -+ set_user_cs(mm->context.user_cs_base, mm->context.user_cs_limit, smp_processor_id()); -+ } -+ spin_unlock(&mm->page_table_lock); -+ if (newlimit == end) { -+ struct vm_area_struct *vma = find_vma(mm, oldlimit); -+ -+ for (; vma && vma->vm_start < end; vma = vma->vm_next) -+ if (is_vm_hugetlb_page(vma)) -+ hugetlb_change_protection(vma, vma->vm_start, vma->vm_end, vma->vm_page_prot); -+ else -+ change_protection(vma, vma->vm_start, vma->vm_end, vma->vm_page_prot, vma_wants_writenotify(vma)); -+ } -+} -+#endif -+ - int - mprotect_fixup(struct vm_area_struct *vma, struct vm_area_struct **pprev, - unsigned long start, unsigned long end, unsigned long newflags) -@@ -153,11 +201,29 @@ mprotect_fixup(struct vm_area_struct *vm - int error; - int dirty_accountable = 0; - -+#ifdef CONFIG_PAX_SEGMEXEC -+ struct vm_area_struct *vma_m = NULL; -+ unsigned long start_m, end_m; -+ -+ start_m = start + SEGMEXEC_TASK_SIZE; -+ end_m = end + SEGMEXEC_TASK_SIZE; -+#endif -+ - if (newflags == oldflags) { - *pprev = vma; - return 0; - } - -+ if (newflags & (VM_READ | VM_WRITE | VM_EXEC)) { -+ struct vm_area_struct *prev = vma->vm_prev, *next = vma->vm_next; -+ -+ if (next && (next->vm_flags & VM_GROWSDOWN) && sysctl_heap_stack_gap > next->vm_start - end) -+ return -ENOMEM; -+ -+ if (prev && (prev->vm_flags & VM_GROWSUP) && sysctl_heap_stack_gap > start - prev->vm_end) -+ return -ENOMEM; -+ } -+ - /* - * If we make a private mapping writable we increase our commit; - * but (without finer accounting) cannot reduce our commit if we -@@ -174,6 +240,42 @@ mprotect_fixup(struct vm_area_struct *vm - } - } - -+#ifdef CONFIG_PAX_SEGMEXEC -+ if ((mm->pax_flags & MF_PAX_SEGMEXEC) && ((oldflags ^ newflags) & VM_EXEC)) { -+ if (start != vma->vm_start) { -+ error = split_vma(mm, vma, start, 1); -+ if (error) -+ goto fail; -+ BUG_ON(!*pprev || (*pprev)->vm_next == vma); -+ *pprev = (*pprev)->vm_next; -+ } -+ -+ if (end != vma->vm_end) { -+ error = split_vma(mm, vma, end, 0); -+ if (error) -+ goto fail; -+ } -+ -+ if (pax_find_mirror_vma(vma)) { -+ error = __do_munmap(mm, start_m, end_m - start_m); -+ if (error) -+ goto fail; -+ } else { -+ vma_m = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL); -+ if (!vma_m) { -+ error = -ENOMEM; -+ goto fail; -+ } -+ vma->vm_flags = newflags; -+ error = pax_mirror_vma(vma_m, vma); -+ if (error) { -+ vma->vm_flags = oldflags; -+ goto fail; -+ } -+ } -+ } -+#endif -+ - /* - * First try to merge with previous and/or next vma. - */ -@@ -204,9 +306,21 @@ success: - * vm_flags and vm_page_prot are protected by the mmap_sem - * held in write mode. - */ -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if ((mm->pax_flags & MF_PAX_SEGMEXEC) && (newflags & VM_EXEC) && ((vma->vm_flags ^ newflags) & VM_READ)) -+ pax_find_mirror_vma(vma)->vm_flags ^= VM_READ; -+#endif -+ - vma->vm_flags = newflags; -+ -+#ifdef CONFIG_PAX_MPROTECT -+ if (mm->binfmt && mm->binfmt->handle_mprotect) -+ mm->binfmt->handle_mprotect(vma, newflags); -+#endif -+ - vma->vm_page_prot = pgprot_modify(vma->vm_page_prot, -- vm_get_page_prot(newflags)); -+ vm_get_page_prot(vma->vm_flags)); - - if (vma_wants_writenotify(vma)) { - vma->vm_page_prot = vm_get_page_prot(newflags & ~VM_SHARED); -@@ -248,6 +362,17 @@ SYSCALL_DEFINE3(mprotect, unsigned long, - end = start + len; - if (end <= start) - return -ENOMEM; -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (current->mm->pax_flags & MF_PAX_SEGMEXEC) { -+ if (end > SEGMEXEC_TASK_SIZE) -+ return -EINVAL; -+ } else -+#endif -+ -+ if (end > TASK_SIZE) -+ return -EINVAL; -+ - if (!arch_validate_prot(prot)) - return -EINVAL; - -@@ -255,7 +380,7 @@ SYSCALL_DEFINE3(mprotect, unsigned long, - /* - * Does the application expect PROT_READ to imply PROT_EXEC: - */ -- if ((prot & PROT_READ) && (current->personality & READ_IMPLIES_EXEC)) -+ if ((prot & (PROT_READ | PROT_WRITE)) && (current->personality & READ_IMPLIES_EXEC)) - prot |= PROT_EXEC; - - vm_flags = calc_vm_prot_bits(prot); -@@ -287,6 +412,11 @@ SYSCALL_DEFINE3(mprotect, unsigned long, - if (start > vma->vm_start) - prev = vma; - -+#ifdef CONFIG_PAX_MPROTECT -+ if (current->mm->binfmt && current->mm->binfmt->handle_mprotect) -+ current->mm->binfmt->handle_mprotect(vma, vm_flags); -+#endif -+ - for (nstart = start ; ; ) { - unsigned long newflags; - -@@ -296,6 +426,14 @@ SYSCALL_DEFINE3(mprotect, unsigned long, - - /* newflags >> 4 shift VM_MAY% in place of VM_% */ - if ((newflags & ~(newflags >> 4)) & (VM_READ | VM_WRITE | VM_EXEC)) { -+ if (prot & (PROT_WRITE | PROT_EXEC)) -+ gr_log_rwxmprotect(vma->vm_file); -+ -+ error = -EACCES; -+ goto out; -+ } -+ -+ if (!gr_acl_handle_mprotect(vma->vm_file, prot)) { - error = -EACCES; - goto out; - } -@@ -310,6 +448,9 @@ SYSCALL_DEFINE3(mprotect, unsigned long, - error = mprotect_fixup(vma, &prev, nstart, tmp, newflags); - if (error) - goto out; -+ -+ track_exec_limit(current->mm, nstart, tmp, vm_flags); -+ - nstart = tmp; - - if (nstart < prev->vm_end) -diff -urNp linux-2.6.39.3/mm/mremap.c linux-2.6.39.3/mm/mremap.c ---- linux-2.6.39.3/mm/mremap.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/mm/mremap.c 2011-05-22 19:36:33.000000000 -0400 -@@ -114,6 +114,12 @@ static void move_ptes(struct vm_area_str - continue; - pte = ptep_clear_flush(vma, old_addr, old_pte); - pte = move_pte(pte, new_vma->vm_page_prot, old_addr, new_addr); -+ -+#ifdef CONFIG_ARCH_TRACK_EXEC_LIMIT -+ if (!(__supported_pte_mask & _PAGE_NX) && (new_vma->vm_flags & (VM_PAGEEXEC | VM_EXEC)) == VM_PAGEEXEC) -+ pte = pte_exprotect(pte); -+#endif -+ - set_pte_at(mm, new_addr, new_pte, pte); - } - -@@ -273,6 +279,11 @@ static struct vm_area_struct *vma_to_res - if (is_vm_hugetlb_page(vma)) - goto Einval; - -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (pax_find_mirror_vma(vma)) -+ goto Einval; -+#endif -+ - /* We can't remap across vm area boundaries */ - if (old_len > vma->vm_end - addr) - goto Efault; -@@ -329,20 +340,25 @@ static unsigned long mremap_to(unsigned - unsigned long ret = -EINVAL; - unsigned long charged = 0; - unsigned long map_flags; -+ unsigned long pax_task_size = TASK_SIZE; - - if (new_addr & ~PAGE_MASK) - goto out; - -- if (new_len > TASK_SIZE || new_addr > TASK_SIZE - new_len) -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (mm->pax_flags & MF_PAX_SEGMEXEC) -+ pax_task_size = SEGMEXEC_TASK_SIZE; -+#endif -+ -+ pax_task_size -= PAGE_SIZE; -+ -+ if (new_len > TASK_SIZE || new_addr > pax_task_size - new_len) - goto out; - - /* Check if the location we're moving into overlaps the - * old location at all, and fail if it does. - */ -- if ((new_addr <= addr) && (new_addr+new_len) > addr) -- goto out; -- -- if ((addr <= new_addr) && (addr+old_len) > new_addr) -+ if (addr + old_len > new_addr && new_addr + new_len > addr) - goto out; - - ret = security_file_mmap(NULL, 0, 0, 0, new_addr, 1); -@@ -414,6 +430,7 @@ unsigned long do_mremap(unsigned long ad - struct vm_area_struct *vma; - unsigned long ret = -EINVAL; - unsigned long charged = 0; -+ unsigned long pax_task_size = TASK_SIZE; - - if (flags & ~(MREMAP_FIXED | MREMAP_MAYMOVE)) - goto out; -@@ -432,6 +449,17 @@ unsigned long do_mremap(unsigned long ad - if (!new_len) - goto out; - -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (mm->pax_flags & MF_PAX_SEGMEXEC) -+ pax_task_size = SEGMEXEC_TASK_SIZE; -+#endif -+ -+ pax_task_size -= PAGE_SIZE; -+ -+ if (new_len > pax_task_size || addr > pax_task_size-new_len || -+ old_len > pax_task_size || addr > pax_task_size-old_len) -+ goto out; -+ - if (flags & MREMAP_FIXED) { - if (flags & MREMAP_MAYMOVE) - ret = mremap_to(addr, old_len, new_addr, new_len); -@@ -481,6 +509,7 @@ unsigned long do_mremap(unsigned long ad - addr + new_len); - } - ret = addr; -+ track_exec_limit(vma->vm_mm, vma->vm_start, addr + new_len, vma->vm_flags); - goto out; - } - } -@@ -507,7 +536,13 @@ unsigned long do_mremap(unsigned long ad - ret = security_file_mmap(NULL, 0, 0, 0, new_addr, 1); - if (ret) - goto out; -+ -+ map_flags = vma->vm_flags; - ret = move_vma(vma, addr, old_len, new_len, new_addr); -+ if (!(ret & ~PAGE_MASK)) { -+ track_exec_limit(current->mm, addr, addr + old_len, 0UL); -+ track_exec_limit(current->mm, new_addr, new_addr + new_len, map_flags); -+ } - } - out: - if (ret & ~PAGE_MASK) -diff -urNp linux-2.6.39.3/mm/nobootmem.c linux-2.6.39.3/mm/nobootmem.c ---- linux-2.6.39.3/mm/nobootmem.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/mm/nobootmem.c 2011-05-22 19:36:33.000000000 -0400 -@@ -110,19 +110,30 @@ static void __init __free_pages_memory(u - unsigned long __init free_all_memory_core_early(int nodeid) - { - int i; -- u64 start, end; -+ u64 start, end, startrange, endrange; - unsigned long count = 0; -- struct range *range = NULL; -+ struct range *range = NULL, rangerange = { 0, 0 }; - int nr_range; - - nr_range = get_free_all_memory_range(&range, nodeid); -+ startrange = __pa(range) >> PAGE_SHIFT; -+ endrange = (__pa(range + nr_range) - 1) >> PAGE_SHIFT; - - for (i = 0; i < nr_range; i++) { - start = range[i].start; - end = range[i].end; -+ if (start <= endrange && startrange < end) { -+ BUG_ON(rangerange.start | rangerange.end); -+ rangerange = range[i]; -+ continue; -+ } - count += end - start; - __free_pages_memory(start, end); - } -+ start = rangerange.start; -+ end = rangerange.end; -+ count += end - start; -+ __free_pages_memory(start, end); - - return count; - } -diff -urNp linux-2.6.39.3/mm/nommu.c linux-2.6.39.3/mm/nommu.c ---- linux-2.6.39.3/mm/nommu.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/mm/nommu.c 2011-05-22 19:36:33.000000000 -0400 -@@ -63,7 +63,6 @@ int sysctl_overcommit_memory = OVERCOMMI - int sysctl_overcommit_ratio = 50; /* default is 50% */ - int sysctl_max_map_count = DEFAULT_MAX_MAP_COUNT; - int sysctl_nr_trim_pages = CONFIG_NOMMU_INITIAL_TRIM_EXCESS; --int heap_stack_gap = 0; - - atomic_long_t mmap_pages_allocated; - -@@ -833,15 +832,6 @@ struct vm_area_struct *find_vma(struct m - EXPORT_SYMBOL(find_vma); - - /* -- * find a VMA -- * - we don't extend stack VMAs under NOMMU conditions -- */ --struct vm_area_struct *find_extend_vma(struct mm_struct *mm, unsigned long addr) --{ -- return find_vma(mm, addr); --} -- --/* - * expand a stack to a given address - * - not supported under NOMMU conditions - */ -@@ -1563,6 +1553,7 @@ int split_vma(struct mm_struct *mm, stru - - /* most fields are the same, copy all, and then fixup */ - *new = *vma; -+ INIT_LIST_HEAD(&new->anon_vma_chain); - *region = *vma->vm_region; - new->vm_region = region; - -diff -urNp linux-2.6.39.3/mm/page_alloc.c linux-2.6.39.3/mm/page_alloc.c ---- linux-2.6.39.3/mm/page_alloc.c 2011-06-03 00:04:14.000000000 -0400 -+++ linux-2.6.39.3/mm/page_alloc.c 2011-07-09 09:12:54.000000000 -0400 -@@ -337,7 +337,7 @@ out: - * This usage means that zero-order pages may not be compound. - */ - --static void free_compound_page(struct page *page) -+void free_compound_page(struct page *page) - { - __free_pages_ok(page, compound_order(page)); - } -@@ -650,6 +650,10 @@ static bool free_pages_prepare(struct pa - int i; - int bad = 0; - -+#ifdef CONFIG_PAX_MEMORY_SANITIZE -+ unsigned long index = 1UL << order; -+#endif -+ - trace_mm_page_free_direct(page, order); - kmemcheck_free_shadow(page, order); - -@@ -665,6 +669,12 @@ static bool free_pages_prepare(struct pa - debug_check_no_obj_freed(page_address(page), - PAGE_SIZE << order); - } -+ -+#ifdef CONFIG_PAX_MEMORY_SANITIZE -+ for (; index; --index) -+ sanitize_highpage(page + index - 1); -+#endif -+ - arch_free_page(page, order); - kernel_map_pages(page, 1 << order, 0); - -@@ -780,8 +790,10 @@ static int prep_new_page(struct page *pa - arch_alloc_page(page, order); - kernel_map_pages(page, 1 << order, 1); - -+#ifndef CONFIG_PAX_MEMORY_SANITIZE - if (gfp_flags & __GFP_ZERO) - prep_zero_page(page, order, gfp_flags); -+#endif - - if (order && (gfp_flags & __GFP_COMP)) - prep_compound_page(page, order); -@@ -2504,6 +2516,8 @@ void __show_free_areas(unsigned int filt - int cpu; - struct zone *zone; - -+ pax_track_stack(); -+ - for_each_populated_zone(zone) { - if (skip_free_areas_zone(filter, zone)) - continue; -diff -urNp linux-2.6.39.3/mm/percpu.c linux-2.6.39.3/mm/percpu.c ---- linux-2.6.39.3/mm/percpu.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/mm/percpu.c 2011-05-22 19:36:33.000000000 -0400 -@@ -121,7 +121,7 @@ static unsigned int pcpu_first_unit_cpu - static unsigned int pcpu_last_unit_cpu __read_mostly; - - /* the address of the first chunk which starts with the kernel static area */ --void *pcpu_base_addr __read_mostly; -+void *pcpu_base_addr __read_only; - EXPORT_SYMBOL_GPL(pcpu_base_addr); - - static const int *pcpu_unit_map __read_mostly; /* cpu -> unit */ -diff -urNp linux-2.6.39.3/mm/rmap.c linux-2.6.39.3/mm/rmap.c ---- linux-2.6.39.3/mm/rmap.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/mm/rmap.c 2011-05-22 19:36:33.000000000 -0400 -@@ -131,6 +131,10 @@ int anon_vma_prepare(struct vm_area_stru - struct anon_vma *anon_vma = vma->anon_vma; - struct anon_vma_chain *avc; - -+#ifdef CONFIG_PAX_SEGMEXEC -+ struct anon_vma_chain *avc_m = NULL; -+#endif -+ - might_sleep(); - if (unlikely(!anon_vma)) { - struct mm_struct *mm = vma->vm_mm; -@@ -140,6 +144,12 @@ int anon_vma_prepare(struct vm_area_stru - if (!avc) - goto out_enomem; - -+#ifdef CONFIG_PAX_SEGMEXEC -+ avc_m = anon_vma_chain_alloc(); -+ if (!avc_m) -+ goto out_enomem_free_avc; -+#endif -+ - anon_vma = find_mergeable_anon_vma(vma); - allocated = NULL; - if (!anon_vma) { -@@ -153,6 +163,21 @@ int anon_vma_prepare(struct vm_area_stru - /* page_table_lock to protect against threads */ - spin_lock(&mm->page_table_lock); - if (likely(!vma->anon_vma)) { -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ struct vm_area_struct *vma_m = pax_find_mirror_vma(vma); -+ -+ if (vma_m) { -+ BUG_ON(vma_m->anon_vma); -+ vma_m->anon_vma = anon_vma; -+ avc_m->anon_vma = anon_vma; -+ avc_m->vma = vma; -+ list_add(&avc_m->same_vma, &vma_m->anon_vma_chain); -+ list_add(&avc_m->same_anon_vma, &anon_vma->head); -+ avc_m = NULL; -+ } -+#endif -+ - vma->anon_vma = anon_vma; - avc->anon_vma = anon_vma; - avc->vma = vma; -@@ -166,12 +191,24 @@ int anon_vma_prepare(struct vm_area_stru - - if (unlikely(allocated)) - put_anon_vma(allocated); -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (unlikely(avc_m)) -+ anon_vma_chain_free(avc_m); -+#endif -+ - if (unlikely(avc)) - anon_vma_chain_free(avc); - } - return 0; - - out_enomem_free_avc: -+ -+#ifdef CONFIG_PAX_SEGMEXEC -+ if (avc_m) -+ anon_vma_chain_free(avc_m); -+#endif -+ - anon_vma_chain_free(avc); - out_enomem: - return -ENOMEM; -@@ -198,7 +235,7 @@ static void anon_vma_chain_link(struct v - * Attach the anon_vmas from src to dst. - * Returns 0 on success, -ENOMEM on failure. - */ --int anon_vma_clone(struct vm_area_struct *dst, struct vm_area_struct *src) -+int anon_vma_clone(struct vm_area_struct *dst, const struct vm_area_struct *src) - { - struct anon_vma_chain *avc, *pavc; - -@@ -220,7 +257,7 @@ int anon_vma_clone(struct vm_area_struct - * the corresponding VMA in the parent process is attached to. - * Returns 0 on success, non-zero on failure. - */ --int anon_vma_fork(struct vm_area_struct *vma, struct vm_area_struct *pvma) -+int anon_vma_fork(struct vm_area_struct *vma, const struct vm_area_struct *pvma) - { - struct anon_vma_chain *avc; - struct anon_vma *anon_vma; -diff -urNp linux-2.6.39.3/mm/shmem.c linux-2.6.39.3/mm/shmem.c ---- linux-2.6.39.3/mm/shmem.c 2011-06-03 00:04:14.000000000 -0400 -+++ linux-2.6.39.3/mm/shmem.c 2011-06-03 00:32:08.000000000 -0400 -@@ -31,7 +31,7 @@ - #include <linux/percpu_counter.h> - #include <linux/swap.h> - --static struct vfsmount *shm_mnt; -+struct vfsmount *shm_mnt; - - #ifdef CONFIG_SHMEM - /* -@@ -1087,6 +1087,8 @@ static int shmem_writepage(struct page * - goto unlock; - } - entry = shmem_swp_entry(info, index, NULL); -+ if (!entry) -+ goto unlock; - if (entry->val) { - /* - * The more uptodate page coming down from a stacked -@@ -1158,6 +1160,8 @@ static struct page *shmem_swapin(swp_ent - struct vm_area_struct pvma; - struct page *page; - -+ pax_track_stack(); -+ - spol = mpol_cond_copy(&mpol, - mpol_shared_policy_lookup(&info->policy, idx)); - -@@ -2014,7 +2018,7 @@ static int shmem_symlink(struct inode *d - - info = SHMEM_I(inode); - inode->i_size = len-1; -- if (len <= (char *)inode - (char *)info) { -+ if (len <= (char *)inode - (char *)info && len <= 64) { - /* do it inline */ - memcpy(info, symname, len); - inode->i_op = &shmem_symlink_inline_operations; -@@ -2362,8 +2366,7 @@ int shmem_fill_super(struct super_block - int err = -ENOMEM; - - /* Round up to L1_CACHE_BYTES to resist false sharing */ -- sbinfo = kzalloc(max((int)sizeof(struct shmem_sb_info), -- L1_CACHE_BYTES), GFP_KERNEL); -+ sbinfo = kzalloc(max(sizeof(struct shmem_sb_info), L1_CACHE_BYTES), GFP_KERNEL); - if (!sbinfo) - return -ENOMEM; - -diff -urNp linux-2.6.39.3/mm/slab.c linux-2.6.39.3/mm/slab.c ---- linux-2.6.39.3/mm/slab.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/mm/slab.c 2011-05-22 19:41:42.000000000 -0400 -@@ -150,7 +150,7 @@ - - /* Legal flag mask for kmem_cache_create(). */ - #if DEBUG --# define CREATE_MASK (SLAB_RED_ZONE | \ -+# define CREATE_MASK (SLAB_USERCOPY | SLAB_RED_ZONE | \ - SLAB_POISON | SLAB_HWCACHE_ALIGN | \ - SLAB_CACHE_DMA | \ - SLAB_STORE_USER | \ -@@ -158,7 +158,7 @@ - SLAB_DESTROY_BY_RCU | SLAB_MEM_SPREAD | \ - SLAB_DEBUG_OBJECTS | SLAB_NOLEAKTRACE | SLAB_NOTRACK) - #else --# define CREATE_MASK (SLAB_HWCACHE_ALIGN | \ -+# define CREATE_MASK (SLAB_USERCOPY | SLAB_HWCACHE_ALIGN | \ - SLAB_CACHE_DMA | \ - SLAB_RECLAIM_ACCOUNT | SLAB_PANIC | \ - SLAB_DESTROY_BY_RCU | SLAB_MEM_SPREAD | \ -@@ -287,7 +287,7 @@ struct kmem_list3 { - * Need this for bootstrapping a per node allocator. - */ - #define NUM_INIT_LISTS (3 * MAX_NUMNODES) --static struct kmem_list3 __initdata initkmem_list3[NUM_INIT_LISTS]; -+static struct kmem_list3 initkmem_list3[NUM_INIT_LISTS]; - #define CACHE_CACHE 0 - #define SIZE_AC MAX_NUMNODES - #define SIZE_L3 (2 * MAX_NUMNODES) -@@ -388,10 +388,10 @@ static void kmem_list3_init(struct kmem_ - if ((x)->max_freeable < i) \ - (x)->max_freeable = i; \ - } while (0) --#define STATS_INC_ALLOCHIT(x) atomic_inc(&(x)->allochit) --#define STATS_INC_ALLOCMISS(x) atomic_inc(&(x)->allocmiss) --#define STATS_INC_FREEHIT(x) atomic_inc(&(x)->freehit) --#define STATS_INC_FREEMISS(x) atomic_inc(&(x)->freemiss) -+#define STATS_INC_ALLOCHIT(x) atomic_inc_unchecked(&(x)->allochit) -+#define STATS_INC_ALLOCMISS(x) atomic_inc_unchecked(&(x)->allocmiss) -+#define STATS_INC_FREEHIT(x) atomic_inc_unchecked(&(x)->freehit) -+#define STATS_INC_FREEMISS(x) atomic_inc_unchecked(&(x)->freemiss) - #else - #define STATS_INC_ACTIVE(x) do { } while (0) - #define STATS_DEC_ACTIVE(x) do { } while (0) -@@ -537,7 +537,7 @@ static inline void *index_to_obj(struct - * reciprocal_divide(offset, cache->reciprocal_buffer_size) - */ - static inline unsigned int obj_to_index(const struct kmem_cache *cache, -- const struct slab *slab, void *obj) -+ const struct slab *slab, const void *obj) - { - u32 offset = (obj - slab->s_mem); - return reciprocal_divide(offset, cache->reciprocal_buffer_size); -@@ -563,7 +563,7 @@ struct cache_names { - static struct cache_names __initdata cache_names[] = { - #define CACHE(x) { .name = "size-" #x, .name_dma = "size-" #x "(DMA)" }, - #include <linux/kmalloc_sizes.h> -- {NULL,} -+ {NULL} - #undef CACHE - }; - -@@ -1529,7 +1529,7 @@ void __init kmem_cache_init(void) - sizes[INDEX_AC].cs_cachep = kmem_cache_create(names[INDEX_AC].name, - sizes[INDEX_AC].cs_size, - ARCH_KMALLOC_MINALIGN, -- ARCH_KMALLOC_FLAGS|SLAB_PANIC, -+ ARCH_KMALLOC_FLAGS|SLAB_PANIC|SLAB_USERCOPY, - NULL); - - if (INDEX_AC != INDEX_L3) { -@@ -1537,7 +1537,7 @@ void __init kmem_cache_init(void) - kmem_cache_create(names[INDEX_L3].name, - sizes[INDEX_L3].cs_size, - ARCH_KMALLOC_MINALIGN, -- ARCH_KMALLOC_FLAGS|SLAB_PANIC, -+ ARCH_KMALLOC_FLAGS|SLAB_PANIC|SLAB_USERCOPY, - NULL); - } - -@@ -1555,7 +1555,7 @@ void __init kmem_cache_init(void) - sizes->cs_cachep = kmem_cache_create(names->name, - sizes->cs_size, - ARCH_KMALLOC_MINALIGN, -- ARCH_KMALLOC_FLAGS|SLAB_PANIC, -+ ARCH_KMALLOC_FLAGS|SLAB_PANIC|SLAB_USERCOPY, - NULL); - } - #ifdef CONFIG_ZONE_DMA -@@ -4270,10 +4270,10 @@ static int s_show(struct seq_file *m, vo - } - /* cpu stats */ - { -- unsigned long allochit = atomic_read(&cachep->allochit); -- unsigned long allocmiss = atomic_read(&cachep->allocmiss); -- unsigned long freehit = atomic_read(&cachep->freehit); -- unsigned long freemiss = atomic_read(&cachep->freemiss); -+ unsigned long allochit = atomic_read_unchecked(&cachep->allochit); -+ unsigned long allocmiss = atomic_read_unchecked(&cachep->allocmiss); -+ unsigned long freehit = atomic_read_unchecked(&cachep->freehit); -+ unsigned long freemiss = atomic_read_unchecked(&cachep->freemiss); - - seq_printf(m, " : cpustat %6lu %6lu %6lu %6lu", - allochit, allocmiss, freehit, freemiss); -@@ -4530,15 +4530,66 @@ static const struct file_operations proc - - static int __init slab_proc_init(void) - { -- proc_create("slabinfo",S_IWUSR|S_IRUGO,NULL,&proc_slabinfo_operations); -+ mode_t gr_mode = S_IRUGO; -+ -+#ifdef CONFIG_GRKERNSEC_PROC_ADD -+ gr_mode = S_IRUSR; -+#endif -+ -+ proc_create("slabinfo",S_IWUSR|gr_mode,NULL,&proc_slabinfo_operations); - #ifdef CONFIG_DEBUG_SLAB_LEAK -- proc_create("slab_allocators", 0, NULL, &proc_slabstats_operations); -+ proc_create("slab_allocators", gr_mode, NULL, &proc_slabstats_operations); - #endif - return 0; - } - module_init(slab_proc_init); - #endif - -+void check_object_size(const void *ptr, unsigned long n, bool to) -+{ -+ -+#ifdef CONFIG_PAX_USERCOPY -+ struct page *page; -+ struct kmem_cache *cachep = NULL; -+ struct slab *slabp; -+ unsigned int objnr; -+ unsigned long offset; -+ -+ if (!n) -+ return; -+ -+ if (ZERO_OR_NULL_PTR(ptr)) -+ goto report; -+ -+ if (!virt_addr_valid(ptr)) -+ return; -+ -+ page = virt_to_head_page(ptr); -+ -+ if (!PageSlab(page)) { -+ if (object_is_on_stack(ptr, n) == -1) -+ goto report; -+ return; -+ } -+ -+ cachep = page_get_cache(page); -+ if (!(cachep->flags & SLAB_USERCOPY)) -+ goto report; -+ -+ slabp = page_get_slab(page); -+ objnr = obj_to_index(cachep, slabp, ptr); -+ BUG_ON(objnr >= cachep->num); -+ offset = ptr - index_to_obj(cachep, slabp, objnr) - obj_offset(cachep); -+ if (offset <= obj_size(cachep) && n <= obj_size(cachep) - offset) -+ return; -+ -+report: -+ pax_report_usercopy(ptr, n, to, cachep ? cachep->name : NULL); -+#endif -+ -+} -+EXPORT_SYMBOL(check_object_size); -+ - /** - * ksize - get the actual amount of memory allocated for a given object - * @objp: Pointer to the object -diff -urNp linux-2.6.39.3/mm/slob.c linux-2.6.39.3/mm/slob.c ---- linux-2.6.39.3/mm/slob.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/mm/slob.c 2011-07-06 20:00:13.000000000 -0400 -@@ -29,7 +29,7 @@ - * If kmalloc is asked for objects of PAGE_SIZE or larger, it calls - * alloc_pages() directly, allocating compound pages so the page order - * does not have to be separately tracked, and also stores the exact -- * allocation size in page->private so that it can be used to accurately -+ * allocation size in slob_page->size so that it can be used to accurately - * provide ksize(). These objects are detected in kfree() because slob_page() - * is false for them. - * -@@ -58,6 +58,7 @@ - */ - - #include <linux/kernel.h> -+#include <linux/sched.h> - #include <linux/slab.h> - #include <linux/mm.h> - #include <linux/swap.h> /* struct reclaim_state */ -@@ -102,7 +103,8 @@ struct slob_page { - unsigned long flags; /* mandatory */ - atomic_t _count; /* mandatory */ - slobidx_t units; /* free units left in page */ -- unsigned long pad[2]; -+ unsigned long pad[1]; -+ unsigned long size; /* size when >=PAGE_SIZE */ - slob_t *free; /* first free slob_t in page */ - struct list_head list; /* linked list of free pages */ - }; -@@ -135,7 +137,7 @@ static LIST_HEAD(free_slob_large); - */ - static inline int is_slob_page(struct slob_page *sp) - { -- return PageSlab((struct page *)sp); -+ return PageSlab((struct page *)sp) && !sp->size; - } - - static inline void set_slob_page(struct slob_page *sp) -@@ -150,7 +152,7 @@ static inline void clear_slob_page(struc - - static inline struct slob_page *slob_page(const void *addr) - { -- return (struct slob_page *)virt_to_page(addr); -+ return (struct slob_page *)virt_to_head_page(addr); - } - - /* -@@ -210,7 +212,7 @@ static void set_slob(slob_t *s, slobidx_ - /* - * Return the size of a slob block. - */ --static slobidx_t slob_units(slob_t *s) -+static slobidx_t slob_units(const slob_t *s) - { - if (s->units > 0) - return s->units; -@@ -220,7 +222,7 @@ static slobidx_t slob_units(slob_t *s) - /* - * Return the next free slob block pointer after this one. - */ --static slob_t *slob_next(slob_t *s) -+static slob_t *slob_next(const slob_t *s) - { - slob_t *base = (slob_t *)((unsigned long)s & PAGE_MASK); - slobidx_t next; -@@ -235,7 +237,7 @@ static slob_t *slob_next(slob_t *s) - /* - * Returns true if s is the last free block in its page. - */ --static int slob_last(slob_t *s) -+static int slob_last(const slob_t *s) - { - return !((unsigned long)slob_next(s) & ~PAGE_MASK); - } -@@ -254,6 +256,7 @@ static void *slob_new_pages(gfp_t gfp, i - if (!page) - return NULL; - -+ set_slob_page(page); - return page_address(page); - } - -@@ -370,11 +373,11 @@ static void *slob_alloc(size_t size, gfp - if (!b) - return NULL; - sp = slob_page(b); -- set_slob_page(sp); - - spin_lock_irqsave(&slob_lock, flags); - sp->units = SLOB_UNITS(PAGE_SIZE); - sp->free = b; -+ sp->size = 0; - INIT_LIST_HEAD(&sp->list); - set_slob(b, SLOB_UNITS(PAGE_SIZE), b + SLOB_UNITS(PAGE_SIZE)); - set_slob_page_free(sp, slob_list); -@@ -476,10 +479,9 @@ out: - * End of slob allocator proper. Begin kmem_cache_alloc and kmalloc frontend. - */ - --void *__kmalloc_node(size_t size, gfp_t gfp, int node) -+static void *__kmalloc_node_align(size_t size, gfp_t gfp, int node, int align) - { -- unsigned int *m; -- int align = max(ARCH_KMALLOC_MINALIGN, ARCH_SLAB_MINALIGN); -+ slob_t *m; - void *ret; - - lockdep_trace_alloc(gfp); -@@ -492,7 +494,10 @@ void *__kmalloc_node(size_t size, gfp_t - - if (!m) - return NULL; -- *m = size; -+ BUILD_BUG_ON(ARCH_KMALLOC_MINALIGN < 2 * SLOB_UNIT); -+ BUILD_BUG_ON(ARCH_SLAB_MINALIGN < 2 * SLOB_UNIT); -+ m[0].units = size; -+ m[1].units = align; - ret = (void *)m + align; - - trace_kmalloc_node(_RET_IP_, ret, -@@ -504,16 +509,25 @@ void *__kmalloc_node(size_t size, gfp_t - gfp |= __GFP_COMP; - ret = slob_new_pages(gfp, order, node); - if (ret) { -- struct page *page; -- page = virt_to_page(ret); -- page->private = size; -+ struct slob_page *sp; -+ sp = slob_page(ret); -+ sp->size = size; - } - - trace_kmalloc_node(_RET_IP_, ret, - size, PAGE_SIZE << order, gfp, node); - } - -- kmemleak_alloc(ret, size, 1, gfp); -+ return ret; -+} -+ -+void *__kmalloc_node(size_t size, gfp_t gfp, int node) -+{ -+ int align = max(ARCH_KMALLOC_MINALIGN, ARCH_SLAB_MINALIGN); -+ void *ret = __kmalloc_node_align(size, gfp, node, align); -+ -+ if (!ZERO_OR_NULL_PTR(ret)) -+ kmemleak_alloc(ret, size, 1, gfp); - return ret; - } - EXPORT_SYMBOL(__kmalloc_node); -@@ -531,13 +545,88 @@ void kfree(const void *block) - sp = slob_page(block); - if (is_slob_page(sp)) { - int align = max(ARCH_KMALLOC_MINALIGN, ARCH_SLAB_MINALIGN); -- unsigned int *m = (unsigned int *)(block - align); -- slob_free(m, *m + align); -- } else -+ slob_t *m = (slob_t *)(block - align); -+ slob_free(m, m[0].units + align); -+ } else { -+ clear_slob_page(sp); -+ free_slob_page(sp); -+ sp->size = 0; - put_page(&sp->page); -+ } - } - EXPORT_SYMBOL(kfree); - -+void check_object_size(const void *ptr, unsigned long n, bool to) -+{ -+ -+#ifdef CONFIG_PAX_USERCOPY -+ struct slob_page *sp; -+ const slob_t *free; -+ const void *base; -+ unsigned long flags; -+ -+ if (!n) -+ return; -+ -+ if (ZERO_OR_NULL_PTR(ptr)) -+ goto report; -+ -+ if (!virt_addr_valid(ptr)) -+ return; -+ -+ sp = slob_page(ptr); -+ if (!PageSlab((struct page*)sp)) { -+ if (object_is_on_stack(ptr, n) == -1) -+ goto report; -+ return; -+ } -+ -+ if (sp->size) { -+ base = page_address(&sp->page); -+ if (base <= ptr && n <= sp->size - (ptr - base)) -+ return; -+ goto report; -+ } -+ -+ /* some tricky double walking to find the chunk */ -+ spin_lock_irqsave(&slob_lock, flags); -+ base = (void *)((unsigned long)ptr & PAGE_MASK); -+ free = sp->free; -+ -+ while (!slob_last(free) && (void *)free <= ptr) { -+ base = free + slob_units(free); -+ free = slob_next(free); -+ } -+ -+ while (base < (void *)free) { -+ slobidx_t m = ((slob_t *)base)[0].units, align = ((slob_t *)base)[1].units; -+ int size = SLOB_UNIT * SLOB_UNITS(m + align); -+ int offset; -+ -+ if (ptr < base + align) -+ break; -+ -+ offset = ptr - base - align; -+ if (offset >= m) { -+ base += size; -+ continue; -+ } -+ -+ if (n > m - offset) -+ break; -+ -+ spin_unlock_irqrestore(&slob_lock, flags); -+ return; -+ } -+ -+ spin_unlock_irqrestore(&slob_lock, flags); -+report: -+ pax_report_usercopy(ptr, n, to, NULL); -+#endif -+ -+} -+EXPORT_SYMBOL(check_object_size); -+ - /* can't use ksize for kmem_cache_alloc memory, only kmalloc */ - size_t ksize(const void *block) - { -@@ -550,10 +639,10 @@ size_t ksize(const void *block) - sp = slob_page(block); - if (is_slob_page(sp)) { - int align = max(ARCH_KMALLOC_MINALIGN, ARCH_SLAB_MINALIGN); -- unsigned int *m = (unsigned int *)(block - align); -- return SLOB_UNITS(*m) * SLOB_UNIT; -+ slob_t *m = (slob_t *)(block - align); -+ return SLOB_UNITS(m[0].units) * SLOB_UNIT; - } else -- return sp->page.private; -+ return sp->size; - } - EXPORT_SYMBOL(ksize); - -@@ -569,8 +658,13 @@ struct kmem_cache *kmem_cache_create(con - { - struct kmem_cache *c; - -+#ifdef CONFIG_PAX_USERCOPY -+ c = __kmalloc_node_align(sizeof(struct kmem_cache), -+ GFP_KERNEL, -1, ARCH_KMALLOC_MINALIGN); -+#else - c = slob_alloc(sizeof(struct kmem_cache), - GFP_KERNEL, ARCH_KMALLOC_MINALIGN, -1); -+#endif - - if (c) { - c->name = name; -@@ -608,17 +702,25 @@ void *kmem_cache_alloc_node(struct kmem_ - { - void *b; - -+#ifdef CONFIG_PAX_USERCOPY -+ b = __kmalloc_node_align(c->size, flags, node, c->align); -+#else - if (c->size < PAGE_SIZE) { - b = slob_alloc(c->size, flags, c->align, node); - trace_kmem_cache_alloc_node(_RET_IP_, b, c->size, - SLOB_UNITS(c->size) * SLOB_UNIT, - flags, node); - } else { -+ struct slob_page *sp; -+ - b = slob_new_pages(flags, get_order(c->size), node); -+ sp = slob_page(b); -+ sp->size = c->size; - trace_kmem_cache_alloc_node(_RET_IP_, b, c->size, - PAGE_SIZE << get_order(c->size), - flags, node); - } -+#endif - - if (c->ctor) - c->ctor(b); -@@ -630,10 +732,16 @@ EXPORT_SYMBOL(kmem_cache_alloc_node); - - static void __kmem_cache_free(void *b, int size) - { -- if (size < PAGE_SIZE) -+ struct slob_page *sp = slob_page(b); -+ -+ if (is_slob_page(sp)) - slob_free(b, size); -- else -+ else { -+ clear_slob_page(sp); -+ free_slob_page(sp); -+ sp->size = 0; - slob_free_pages(b, get_order(size)); -+ } - } - - static void kmem_rcu_free(struct rcu_head *head) -@@ -646,17 +754,31 @@ static void kmem_rcu_free(struct rcu_hea - - void kmem_cache_free(struct kmem_cache *c, void *b) - { -+ int size = c->size; -+ -+#ifdef CONFIG_PAX_USERCOPY -+ if (size + c->align < PAGE_SIZE) { -+ size += c->align; -+ b -= c->align; -+ } -+#endif -+ - kmemleak_free_recursive(b, c->flags); - if (unlikely(c->flags & SLAB_DESTROY_BY_RCU)) { - struct slob_rcu *slob_rcu; -- slob_rcu = b + (c->size - sizeof(struct slob_rcu)); -- slob_rcu->size = c->size; -+ slob_rcu = b + (size - sizeof(struct slob_rcu)); -+ slob_rcu->size = size; - call_rcu(&slob_rcu->head, kmem_rcu_free); - } else { -- __kmem_cache_free(b, c->size); -+ __kmem_cache_free(b, size); - } - -+#ifdef CONFIG_PAX_USERCOPY -+ trace_kfree(_RET_IP_, b); -+#else - trace_kmem_cache_free(_RET_IP_, b); -+#endif -+ - } - EXPORT_SYMBOL(kmem_cache_free); - -diff -urNp linux-2.6.39.3/mm/slub.c linux-2.6.39.3/mm/slub.c ---- linux-2.6.39.3/mm/slub.c 2011-06-03 00:04:14.000000000 -0400 -+++ linux-2.6.39.3/mm/slub.c 2011-06-03 00:32:08.000000000 -0400 -@@ -431,7 +431,7 @@ static void print_track(const char *s, s - if (!t->addr) - return; - -- printk(KERN_ERR "INFO: %s in %pS age=%lu cpu=%u pid=%d\n", -+ printk(KERN_ERR "INFO: %s in %pA age=%lu cpu=%u pid=%d\n", - s, (void *)t->addr, jiffies - t->when, t->cpu, t->pid); - } - -@@ -2183,6 +2183,8 @@ void kmem_cache_free(struct kmem_cache * - - page = virt_to_head_page(x); - -+ BUG_ON(!PageSlab(page)); -+ - slab_free(s, page, x, _RET_IP_); - - trace_kmem_cache_free(_RET_IP_, x); -@@ -2216,7 +2218,7 @@ static int slub_min_objects; - * Merge control. If this is set then no merging of slab caches will occur. - * (Could be removed. This was introduced to pacify the merge skeptics.) - */ --static int slub_nomerge; -+static int slub_nomerge = 1; - - /* - * Calculate the order of allocation given an slab object size. -@@ -2644,7 +2646,7 @@ static int kmem_cache_open(struct kmem_c - * list to avoid pounding the page allocator excessively. - */ - set_min_partial(s, ilog2(s->size)); -- s->refcount = 1; -+ atomic_set(&s->refcount, 1); - #ifdef CONFIG_NUMA - s->remote_node_defrag_ratio = 1000; - #endif -@@ -2750,8 +2752,7 @@ static inline int kmem_cache_close(struc - void kmem_cache_destroy(struct kmem_cache *s) - { - down_write(&slub_lock); -- s->refcount--; -- if (!s->refcount) { -+ if (atomic_dec_and_test(&s->refcount)) { - list_del(&s->list); - if (kmem_cache_close(s)) { - printk(KERN_ERR "SLUB %s: %s called for cache that " -@@ -2961,6 +2962,46 @@ void *__kmalloc_node(size_t size, gfp_t - EXPORT_SYMBOL(__kmalloc_node); - #endif - -+void check_object_size(const void *ptr, unsigned long n, bool to) -+{ -+ -+#ifdef CONFIG_PAX_USERCOPY -+ struct page *page; -+ struct kmem_cache *s = NULL; -+ unsigned long offset; -+ -+ if (!n) -+ return; -+ -+ if (ZERO_OR_NULL_PTR(ptr)) -+ goto report; -+ -+ if (!virt_addr_valid(ptr)) -+ return; -+ -+ page = virt_to_head_page(ptr); -+ -+ if (!PageSlab(page)) { -+ if (object_is_on_stack(ptr, n) == -1) -+ goto report; -+ return; -+ } -+ -+ s = page->slab; -+ if (!(s->flags & SLAB_USERCOPY)) -+ goto report; -+ -+ offset = (ptr - page_address(page)) % s->size; -+ if (offset <= s->objsize && n <= s->objsize - offset) -+ return; -+ -+report: -+ pax_report_usercopy(ptr, n, to, s ? s->name : NULL); -+#endif -+ -+} -+EXPORT_SYMBOL(check_object_size); -+ - size_t ksize(const void *object) - { - struct page *page; -@@ -3205,7 +3246,7 @@ static void __init kmem_cache_bootstrap_ - int node; - - list_add(&s->list, &slab_caches); -- s->refcount = -1; -+ atomic_set(&s->refcount, -1); - - for_each_node_state(node, N_NORMAL_MEMORY) { - struct kmem_cache_node *n = get_node(s, node); -@@ -3322,17 +3363,17 @@ void __init kmem_cache_init(void) - - /* Caches that are not of the two-to-the-power-of size */ - if (KMALLOC_MIN_SIZE <= 32) { -- kmalloc_caches[1] = create_kmalloc_cache("kmalloc-96", 96, 0); -+ kmalloc_caches[1] = create_kmalloc_cache("kmalloc-96", 96, SLAB_USERCOPY); - caches++; - } - - if (KMALLOC_MIN_SIZE <= 64) { -- kmalloc_caches[2] = create_kmalloc_cache("kmalloc-192", 192, 0); -+ kmalloc_caches[2] = create_kmalloc_cache("kmalloc-192", 192, SLAB_USERCOPY); - caches++; - } - - for (i = KMALLOC_SHIFT_LOW; i < SLUB_PAGE_SHIFT; i++) { -- kmalloc_caches[i] = create_kmalloc_cache("kmalloc", 1 << i, 0); -+ kmalloc_caches[i] = create_kmalloc_cache("kmalloc", 1 << i, SLAB_USERCOPY); - caches++; - } - -@@ -3400,7 +3441,7 @@ static int slab_unmergeable(struct kmem_ - /* - * We may have set a slab to be unmergeable during bootstrap. - */ -- if (s->refcount < 0) -+ if (atomic_read(&s->refcount) < 0) - return 1; - - return 0; -@@ -3459,7 +3500,7 @@ struct kmem_cache *kmem_cache_create(con - down_write(&slub_lock); - s = find_mergeable(size, align, flags, name, ctor); - if (s) { -- s->refcount++; -+ atomic_inc(&s->refcount); - /* - * Adjust the object sizes so that we clear - * the complete object on kzalloc. -@@ -3468,7 +3509,7 @@ struct kmem_cache *kmem_cache_create(con - s->inuse = max_t(int, s->inuse, ALIGN(size, sizeof(void *))); - - if (sysfs_slab_alias(s, name)) { -- s->refcount--; -+ atomic_dec(&s->refcount); - goto err; - } - up_write(&slub_lock); -@@ -4201,7 +4242,7 @@ SLAB_ATTR_RO(ctor); - - static ssize_t aliases_show(struct kmem_cache *s, char *buf) - { -- return sprintf(buf, "%d\n", s->refcount - 1); -+ return sprintf(buf, "%d\n", atomic_read(&s->refcount) - 1); - } - SLAB_ATTR_RO(aliases); - -@@ -4945,7 +4986,13 @@ static const struct file_operations proc - - static int __init slab_proc_init(void) - { -- proc_create("slabinfo", S_IRUGO, NULL, &proc_slabinfo_operations); -+ mode_t gr_mode = S_IRUGO; -+ -+#ifdef CONFIG_GRKERNSEC_PROC_ADD -+ gr_mode = S_IRUSR; -+#endif -+ -+ proc_create("slabinfo", gr_mode, NULL, &proc_slabinfo_operations); - return 0; - } - module_init(slab_proc_init); -diff -urNp linux-2.6.39.3/mm/swap.c linux-2.6.39.3/mm/swap.c ---- linux-2.6.39.3/mm/swap.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/mm/swap.c 2011-07-09 09:12:54.000000000 -0400 -@@ -31,6 +31,7 @@ - #include <linux/backing-dev.h> - #include <linux/memcontrol.h> - #include <linux/gfp.h> -+#include <linux/hugetlb.h> - - #include "internal.h" - -@@ -71,6 +72,8 @@ static void __put_compound_page(struct p - - __page_cache_release(page); - dtor = get_compound_page_dtor(page); -+ if (!PageHuge(page)) -+ BUG_ON(dtor != free_compound_page); - (*dtor)(page); - } - -diff -urNp linux-2.6.39.3/mm/swapfile.c linux-2.6.39.3/mm/swapfile.c ---- linux-2.6.39.3/mm/swapfile.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/mm/swapfile.c 2011-05-22 19:36:33.000000000 -0400 -@@ -61,7 +61,7 @@ static DEFINE_MUTEX(swapon_mutex); - - static DECLARE_WAIT_QUEUE_HEAD(proc_poll_wait); - /* Activity counter to indicate that a swapon or swapoff has occurred */ --static atomic_t proc_poll_event = ATOMIC_INIT(0); -+static atomic_unchecked_t proc_poll_event = ATOMIC_INIT(0); - - static inline unsigned char swap_count(unsigned char ent) - { -@@ -1669,7 +1669,7 @@ SYSCALL_DEFINE1(swapoff, const char __us - } - filp_close(swap_file, NULL); - err = 0; -- atomic_inc(&proc_poll_event); -+ atomic_inc_unchecked(&proc_poll_event); - wake_up_interruptible(&proc_poll_wait); - - out_dput: -@@ -1690,8 +1690,8 @@ static unsigned swaps_poll(struct file * - - poll_wait(file, &proc_poll_wait, wait); - -- if (s->event != atomic_read(&proc_poll_event)) { -- s->event = atomic_read(&proc_poll_event); -+ if (s->event != atomic_read_unchecked(&proc_poll_event)) { -+ s->event = atomic_read_unchecked(&proc_poll_event); - return POLLIN | POLLRDNORM | POLLERR | POLLPRI; - } - -@@ -1797,7 +1797,7 @@ static int swaps_open(struct inode *inod - } - - s->seq.private = s; -- s->event = atomic_read(&proc_poll_event); -+ s->event = atomic_read_unchecked(&proc_poll_event); - return ret; - } - -@@ -2131,7 +2131,7 @@ SYSCALL_DEFINE2(swapon, const char __use - (p->flags & SWP_DISCARDABLE) ? "D" : ""); - - mutex_unlock(&swapon_mutex); -- atomic_inc(&proc_poll_event); -+ atomic_inc_unchecked(&proc_poll_event); - wake_up_interruptible(&proc_poll_wait); - - if (S_ISREG(inode->i_mode)) -diff -urNp linux-2.6.39.3/mm/util.c linux-2.6.39.3/mm/util.c ---- linux-2.6.39.3/mm/util.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/mm/util.c 2011-05-23 17:07:00.000000000 -0400 -@@ -112,6 +112,7 @@ EXPORT_SYMBOL(memdup_user); - * allocated buffer. Use this if you don't want to free the buffer immediately - * like, for example, with RCU. - */ -+#undef __krealloc - void *__krealloc(const void *p, size_t new_size, gfp_t flags) - { - void *ret; -@@ -145,6 +146,7 @@ EXPORT_SYMBOL(__krealloc); - * behaves exactly like kmalloc(). If @size is 0 and @p is not a - * %NULL pointer, the object pointed to is freed. - */ -+#undef krealloc - void *krealloc(const void *p, size_t new_size, gfp_t flags) - { - void *ret; -@@ -219,6 +221,12 @@ EXPORT_SYMBOL(strndup_user); - void arch_pick_mmap_layout(struct mm_struct *mm) - { - mm->mmap_base = TASK_UNMAPPED_BASE; -+ -+#ifdef CONFIG_PAX_RANDMMAP -+ if (mm->pax_flags & MF_PAX_RANDMMAP) -+ mm->mmap_base += mm->delta_mmap; -+#endif -+ - mm->get_unmapped_area = arch_get_unmapped_area; - mm->unmap_area = arch_unmap_area; - } -diff -urNp linux-2.6.39.3/mm/vmalloc.c linux-2.6.39.3/mm/vmalloc.c ---- linux-2.6.39.3/mm/vmalloc.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/mm/vmalloc.c 2011-05-22 19:36:33.000000000 -0400 -@@ -39,8 +39,19 @@ static void vunmap_pte_range(pmd_t *pmd, - - pte = pte_offset_kernel(pmd, addr); - do { -- pte_t ptent = ptep_get_and_clear(&init_mm, addr, pte); -- WARN_ON(!pte_none(ptent) && !pte_present(ptent)); -+ -+#if defined(CONFIG_MODULES) && defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC) -+ if ((unsigned long)MODULES_EXEC_VADDR <= addr && addr < (unsigned long)MODULES_EXEC_END) { -+ BUG_ON(!pte_exec(*pte)); -+ set_pte_at(&init_mm, addr, pte, pfn_pte(__pa(addr) >> PAGE_SHIFT, PAGE_KERNEL_EXEC)); -+ continue; -+ } -+#endif -+ -+ { -+ pte_t ptent = ptep_get_and_clear(&init_mm, addr, pte); -+ WARN_ON(!pte_none(ptent) && !pte_present(ptent)); -+ } - } while (pte++, addr += PAGE_SIZE, addr != end); - } - -@@ -91,6 +102,7 @@ static int vmap_pte_range(pmd_t *pmd, un - unsigned long end, pgprot_t prot, struct page **pages, int *nr) - { - pte_t *pte; -+ int ret = -ENOMEM; - - /* - * nr is a running index into the array which helps higher level -@@ -100,17 +112,30 @@ static int vmap_pte_range(pmd_t *pmd, un - pte = pte_alloc_kernel(pmd, addr); - if (!pte) - return -ENOMEM; -+ -+ pax_open_kernel(); - do { - struct page *page = pages[*nr]; - -- if (WARN_ON(!pte_none(*pte))) -- return -EBUSY; -- if (WARN_ON(!page)) -- return -ENOMEM; -+#if defined(CONFIG_MODULES) && defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC) -+ if (pgprot_val(prot) & _PAGE_NX) -+#endif -+ -+ if (WARN_ON(!pte_none(*pte))) { -+ ret = -EBUSY; -+ goto out; -+ } -+ if (WARN_ON(!page)) { -+ ret = -ENOMEM; -+ goto out; -+ } - set_pte_at(&init_mm, addr, pte, mk_pte(page, prot)); - (*nr)++; - } while (pte++, addr += PAGE_SIZE, addr != end); -- return 0; -+ ret = 0; -+out: -+ pax_close_kernel(); -+ return ret; - } - - static int vmap_pmd_range(pud_t *pud, unsigned long addr, -@@ -191,11 +216,20 @@ int is_vmalloc_or_module_addr(const void - * and fall back on vmalloc() if that fails. Others - * just put it in the vmalloc space. - */ --#if defined(CONFIG_MODULES) && defined(MODULES_VADDR) -+#ifdef CONFIG_MODULES -+#ifdef MODULES_VADDR - unsigned long addr = (unsigned long)x; - if (addr >= MODULES_VADDR && addr < MODULES_END) - return 1; - #endif -+ -+#if defined(CONFIG_X86_32) && defined(CONFIG_PAX_KERNEXEC) -+ if (x >= (const void *)MODULES_EXEC_VADDR && x < (const void *)MODULES_EXEC_END) -+ return 1; -+#endif -+ -+#endif -+ - return is_vmalloc_addr(x); - } - -@@ -216,8 +250,14 @@ struct page *vmalloc_to_page(const void - - if (!pgd_none(*pgd)) { - pud_t *pud = pud_offset(pgd, addr); -+#ifdef CONFIG_X86 -+ if (!pud_large(*pud)) -+#endif - if (!pud_none(*pud)) { - pmd_t *pmd = pmd_offset(pud, addr); -+#ifdef CONFIG_X86 -+ if (!pmd_large(*pmd)) -+#endif - if (!pmd_none(*pmd)) { - pte_t *ptep, pte; - -@@ -1296,6 +1336,16 @@ static struct vm_struct *__get_vm_area_n - struct vm_struct *area; - - BUG_ON(in_interrupt()); -+ -+#if defined(CONFIG_MODULES) && defined(CONFIG_X86) && defined(CONFIG_PAX_KERNEXEC) -+ if (flags & VM_KERNEXEC) { -+ if (start != VMALLOC_START || end != VMALLOC_END) -+ return NULL; -+ start = (unsigned long)MODULES_EXEC_VADDR; -+ end = (unsigned long)MODULES_EXEC_END; -+ } -+#endif -+ - if (flags & VM_IOREMAP) { - int bit = fls(size); - -@@ -1514,6 +1564,11 @@ void *vmap(struct page **pages, unsigned - if (count > totalram_pages) - return NULL; - -+#if defined(CONFIG_MODULES) && defined(CONFIG_X86) && defined(CONFIG_PAX_KERNEXEC) -+ if (!(pgprot_val(prot) & _PAGE_NX)) -+ flags |= VM_KERNEXEC; -+#endif -+ - area = get_vm_area_caller((count << PAGE_SHIFT), flags, - __builtin_return_address(0)); - if (!area) -@@ -1610,6 +1665,13 @@ void *__vmalloc_node_range(unsigned long - if (!size || (size >> PAGE_SHIFT) > totalram_pages) - return NULL; - -+#if defined(CONFIG_MODULES) && defined(CONFIG_X86) && defined(CONFIG_PAX_KERNEXEC) -+ if (!(pgprot_val(prot) & _PAGE_NX)) -+ area = __get_vm_area_node(size, align, VM_ALLOC | VM_KERNEXEC, VMALLOC_START, VMALLOC_END, -+ node, gfp_mask, caller); -+ else -+#endif -+ - area = __get_vm_area_node(size, align, VM_ALLOC, start, end, node, - gfp_mask, caller); - -@@ -1649,6 +1711,7 @@ static void *__vmalloc_node(unsigned lon - gfp_mask, prot, node, caller); - } - -+#undef __vmalloc - void *__vmalloc(unsigned long size, gfp_t gfp_mask, pgprot_t prot) - { - return __vmalloc_node(size, 1, gfp_mask, prot, -1, -@@ -1672,6 +1735,7 @@ static inline void *__vmalloc_node_flags - * For tight control over page level allocator and protection flags - * use __vmalloc() instead. - */ -+#undef vmalloc - void *vmalloc(unsigned long size) - { - return __vmalloc_node_flags(size, -1, GFP_KERNEL | __GFP_HIGHMEM); -@@ -1688,6 +1752,7 @@ EXPORT_SYMBOL(vmalloc); - * For tight control over page level allocator and protection flags - * use __vmalloc() instead. - */ -+#undef vzalloc - void *vzalloc(unsigned long size) - { - return __vmalloc_node_flags(size, -1, -@@ -1702,6 +1767,7 @@ EXPORT_SYMBOL(vzalloc); - * The resulting memory area is zeroed so it can be mapped to userspace - * without leaking data. - */ -+#undef vmalloc_user - void *vmalloc_user(unsigned long size) - { - struct vm_struct *area; -@@ -1729,6 +1795,7 @@ EXPORT_SYMBOL(vmalloc_user); - * For tight control over page level allocator and protection flags - * use __vmalloc() instead. - */ -+#undef vmalloc_node - void *vmalloc_node(unsigned long size, int node) - { - return __vmalloc_node(size, 1, GFP_KERNEL | __GFP_HIGHMEM, PAGE_KERNEL, -@@ -1748,6 +1815,7 @@ EXPORT_SYMBOL(vmalloc_node); - * For tight control over page level allocator and protection flags - * use __vmalloc_node() instead. - */ -+#undef vzalloc_node - void *vzalloc_node(unsigned long size, int node) - { - return __vmalloc_node_flags(size, node, -@@ -1770,10 +1838,10 @@ EXPORT_SYMBOL(vzalloc_node); - * For tight control over page level allocator and protection flags - * use __vmalloc() instead. - */ -- -+#undef vmalloc_exec - void *vmalloc_exec(unsigned long size) - { -- return __vmalloc_node(size, 1, GFP_KERNEL | __GFP_HIGHMEM, PAGE_KERNEL_EXEC, -+ return __vmalloc_node(size, 1, GFP_KERNEL | __GFP_HIGHMEM | __GFP_ZERO, PAGE_KERNEL_EXEC, - -1, __builtin_return_address(0)); - } - -@@ -1792,6 +1860,7 @@ void *vmalloc_exec(unsigned long size) - * Allocate enough 32bit PA addressable pages to cover @size from the - * page level allocator and map them into contiguous kernel virtual space. - */ -+#undef vmalloc_32 - void *vmalloc_32(unsigned long size) - { - return __vmalloc_node(size, 1, GFP_VMALLOC32, PAGE_KERNEL, -@@ -1806,6 +1875,7 @@ EXPORT_SYMBOL(vmalloc_32); - * The resulting memory area is 32bit addressable and zeroed so it can be - * mapped to userspace without leaking data. - */ -+#undef vmalloc_32_user - void *vmalloc_32_user(unsigned long size) - { - struct vm_struct *area; -@@ -2068,6 +2138,8 @@ int remap_vmalloc_range(struct vm_area_s - unsigned long uaddr = vma->vm_start; - unsigned long usize = vma->vm_end - vma->vm_start; - -+ BUG_ON(vma->vm_mirror); -+ - if ((PAGE_SIZE-1) & (unsigned long)addr) - return -EINVAL; - -diff -urNp linux-2.6.39.3/mm/vmstat.c linux-2.6.39.3/mm/vmstat.c ---- linux-2.6.39.3/mm/vmstat.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/mm/vmstat.c 2011-05-22 19:41:42.000000000 -0400 -@@ -78,7 +78,7 @@ void vm_events_fold_cpu(int cpu) - * - * vm_stat contains the global counters - */ --atomic_long_t vm_stat[NR_VM_ZONE_STAT_ITEMS]; -+atomic_long_unchecked_t vm_stat[NR_VM_ZONE_STAT_ITEMS]; - EXPORT_SYMBOL(vm_stat); - - #ifdef CONFIG_SMP -@@ -454,7 +454,7 @@ void refresh_cpu_vm_stats(int cpu) - v = p->vm_stat_diff[i]; - p->vm_stat_diff[i] = 0; - local_irq_restore(flags); -- atomic_long_add(v, &zone->vm_stat[i]); -+ atomic_long_add_unchecked(v, &zone->vm_stat[i]); - global_diff[i] += v; - #ifdef CONFIG_NUMA - /* 3 seconds idle till flush */ -@@ -492,7 +492,7 @@ void refresh_cpu_vm_stats(int cpu) - - for (i = 0; i < NR_VM_ZONE_STAT_ITEMS; i++) - if (global_diff[i]) -- atomic_long_add(global_diff[i], &vm_stat[i]); -+ atomic_long_add_unchecked(global_diff[i], &vm_stat[i]); - } - - #endif -@@ -1205,10 +1205,20 @@ static int __init setup_vmstat(void) - start_cpu_timer(cpu); - #endif - #ifdef CONFIG_PROC_FS -- proc_create("buddyinfo", S_IRUGO, NULL, &fragmentation_file_operations); -- proc_create("pagetypeinfo", S_IRUGO, NULL, &pagetypeinfo_file_ops); -- proc_create("vmstat", S_IRUGO, NULL, &proc_vmstat_file_operations); -- proc_create("zoneinfo", S_IRUGO, NULL, &proc_zoneinfo_file_operations); -+ { -+ mode_t gr_mode = S_IRUGO; -+#ifdef CONFIG_GRKERNSEC_PROC_ADD -+ gr_mode = S_IRUSR; -+#endif -+ proc_create("buddyinfo", gr_mode, NULL, &fragmentation_file_operations); -+ proc_create("pagetypeinfo", gr_mode, NULL, &pagetypeinfo_file_ops); -+#ifdef CONFIG_GRKERNSEC_PROC_USERGROUP -+ proc_create("vmstat", gr_mode | S_IRGRP, NULL, &proc_vmstat_file_operations); -+#else -+ proc_create("vmstat", gr_mode, NULL, &proc_vmstat_file_operations); -+#endif -+ proc_create("zoneinfo", gr_mode, NULL, &proc_zoneinfo_file_operations); -+ } - #endif - return 0; - } -diff -urNp linux-2.6.39.3/net/8021q/vlan.c linux-2.6.39.3/net/8021q/vlan.c ---- linux-2.6.39.3/net/8021q/vlan.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/8021q/vlan.c 2011-05-22 19:36:33.000000000 -0400 -@@ -592,8 +592,7 @@ static int vlan_ioctl_handler(struct net - err = -EPERM; - if (!capable(CAP_NET_ADMIN)) - break; -- if ((args.u.name_type >= 0) && -- (args.u.name_type < VLAN_NAME_TYPE_HIGHEST)) { -+ if (args.u.name_type < VLAN_NAME_TYPE_HIGHEST) { - struct vlan_net *vn; - - vn = net_generic(net, vlan_net_id); -diff -urNp linux-2.6.39.3/net/atm/atm_misc.c linux-2.6.39.3/net/atm/atm_misc.c ---- linux-2.6.39.3/net/atm/atm_misc.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/atm/atm_misc.c 2011-05-22 19:36:33.000000000 -0400 -@@ -17,7 +17,7 @@ int atm_charge(struct atm_vcc *vcc, int - if (atomic_read(&sk_atm(vcc)->sk_rmem_alloc) <= sk_atm(vcc)->sk_rcvbuf) - return 1; - atm_return(vcc, truesize); -- atomic_inc(&vcc->stats->rx_drop); -+ atomic_inc_unchecked(&vcc->stats->rx_drop); - return 0; - } - EXPORT_SYMBOL(atm_charge); -@@ -39,7 +39,7 @@ struct sk_buff *atm_alloc_charge(struct - } - } - atm_return(vcc, guess); -- atomic_inc(&vcc->stats->rx_drop); -+ atomic_inc_unchecked(&vcc->stats->rx_drop); - return NULL; - } - EXPORT_SYMBOL(atm_alloc_charge); -@@ -86,7 +86,7 @@ EXPORT_SYMBOL(atm_pcr_goal); - - void sonet_copy_stats(struct k_sonet_stats *from, struct sonet_stats *to) - { --#define __HANDLE_ITEM(i) to->i = atomic_read(&from->i) -+#define __HANDLE_ITEM(i) to->i = atomic_read_unchecked(&from->i) - __SONET_ITEMS - #undef __HANDLE_ITEM - } -@@ -94,7 +94,7 @@ EXPORT_SYMBOL(sonet_copy_stats); - - void sonet_subtract_stats(struct k_sonet_stats *from, struct sonet_stats *to) - { --#define __HANDLE_ITEM(i) atomic_sub(to->i, &from->i) -+#define __HANDLE_ITEM(i) atomic_sub_unchecked(to->i,&from->i) - __SONET_ITEMS - #undef __HANDLE_ITEM - } -diff -urNp linux-2.6.39.3/net/atm/mpoa_caches.c linux-2.6.39.3/net/atm/mpoa_caches.c ---- linux-2.6.39.3/net/atm/mpoa_caches.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/atm/mpoa_caches.c 2011-05-22 19:36:33.000000000 -0400 -@@ -255,6 +255,8 @@ static void check_resolving_entries(stru - struct timeval now; - struct k_message msg; - -+ pax_track_stack(); -+ - do_gettimeofday(&now); - - read_lock_bh(&client->ingress_lock); -diff -urNp linux-2.6.39.3/net/atm/proc.c linux-2.6.39.3/net/atm/proc.c ---- linux-2.6.39.3/net/atm/proc.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/atm/proc.c 2011-05-22 19:41:42.000000000 -0400 -@@ -45,9 +45,9 @@ static void add_stats(struct seq_file *s - const struct k_atm_aal_stats *stats) - { - seq_printf(seq, "%s ( %d %d %d %d %d )", aal, -- atomic_read(&stats->tx), atomic_read(&stats->tx_err), -- atomic_read(&stats->rx), atomic_read(&stats->rx_err), -- atomic_read(&stats->rx_drop)); -+ atomic_read_unchecked(&stats->tx),atomic_read_unchecked(&stats->tx_err), -+ atomic_read_unchecked(&stats->rx),atomic_read_unchecked(&stats->rx_err), -+ atomic_read_unchecked(&stats->rx_drop)); - } - - static void atm_dev_info(struct seq_file *seq, const struct atm_dev *dev) -@@ -191,7 +191,12 @@ static void vcc_info(struct seq_file *se - { - struct sock *sk = sk_atm(vcc); - -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+ seq_printf(seq, "%p ", NULL); -+#else - seq_printf(seq, "%p ", vcc); -+#endif -+ - if (!vcc->dev) - seq_printf(seq, "Unassigned "); - else -@@ -218,7 +223,11 @@ static void svc_info(struct seq_file *se - { - if (!vcc->dev) - seq_printf(seq, sizeof(void *) == 4 ? -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+ "N/A@%p%10s" : "N/A@%p%2s", NULL, ""); -+#else - "N/A@%p%10s" : "N/A@%p%2s", vcc, ""); -+#endif - else - seq_printf(seq, "%3d %3d %5d ", - vcc->dev->number, vcc->vpi, vcc->vci); -diff -urNp linux-2.6.39.3/net/atm/resources.c linux-2.6.39.3/net/atm/resources.c ---- linux-2.6.39.3/net/atm/resources.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/atm/resources.c 2011-05-22 19:36:33.000000000 -0400 -@@ -160,7 +160,7 @@ EXPORT_SYMBOL(atm_dev_deregister); - static void copy_aal_stats(struct k_atm_aal_stats *from, - struct atm_aal_stats *to) - { --#define __HANDLE_ITEM(i) to->i = atomic_read(&from->i) -+#define __HANDLE_ITEM(i) to->i = atomic_read_unchecked(&from->i) - __AAL_STAT_ITEMS - #undef __HANDLE_ITEM - } -@@ -168,7 +168,7 @@ static void copy_aal_stats(struct k_atm_ - static void subtract_aal_stats(struct k_atm_aal_stats *from, - struct atm_aal_stats *to) - { --#define __HANDLE_ITEM(i) atomic_sub(to->i, &from->i) -+#define __HANDLE_ITEM(i) atomic_sub_unchecked(to->i, &from->i) - __AAL_STAT_ITEMS - #undef __HANDLE_ITEM - } -diff -urNp linux-2.6.39.3/net/batman-adv/hard-interface.c linux-2.6.39.3/net/batman-adv/hard-interface.c ---- linux-2.6.39.3/net/batman-adv/hard-interface.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/batman-adv/hard-interface.c 2011-05-22 19:36:33.000000000 -0400 -@@ -339,8 +339,8 @@ int hardif_enable_interface(struct hard_ - hard_iface->batman_adv_ptype.dev = hard_iface->net_dev; - dev_add_pack(&hard_iface->batman_adv_ptype); - -- atomic_set(&hard_iface->seqno, 1); -- atomic_set(&hard_iface->frag_seqno, 1); -+ atomic_set_unchecked(&hard_iface->seqno, 1); -+ atomic_set_unchecked(&hard_iface->frag_seqno, 1); - bat_info(hard_iface->soft_iface, "Adding interface: %s\n", - hard_iface->net_dev->name); - -diff -urNp linux-2.6.39.3/net/batman-adv/routing.c linux-2.6.39.3/net/batman-adv/routing.c ---- linux-2.6.39.3/net/batman-adv/routing.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/batman-adv/routing.c 2011-05-22 19:36:33.000000000 -0400 -@@ -625,7 +625,7 @@ void receive_bat_packet(struct ethhdr *e - return; - - /* could be changed by schedule_own_packet() */ -- if_incoming_seqno = atomic_read(&if_incoming->seqno); -+ if_incoming_seqno = atomic_read_unchecked(&if_incoming->seqno); - - has_directlink_flag = (batman_packet->flags & DIRECTLINK ? 1 : 0); - -diff -urNp linux-2.6.39.3/net/batman-adv/send.c linux-2.6.39.3/net/batman-adv/send.c ---- linux-2.6.39.3/net/batman-adv/send.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/batman-adv/send.c 2011-05-22 19:36:33.000000000 -0400 -@@ -277,7 +277,7 @@ void schedule_own_packet(struct hard_ifa - - /* change sequence number to network order */ - batman_packet->seqno = -- htonl((uint32_t)atomic_read(&hard_iface->seqno)); -+ htonl((uint32_t)atomic_read_unchecked(&hard_iface->seqno)); - - if (vis_server == VIS_TYPE_SERVER_SYNC) - batman_packet->flags |= VIS_SERVER; -@@ -291,7 +291,7 @@ void schedule_own_packet(struct hard_ifa - else - batman_packet->gw_flags = 0; - -- atomic_inc(&hard_iface->seqno); -+ atomic_inc_unchecked(&hard_iface->seqno); - - slide_own_bcast_window(hard_iface); - send_time = own_send_time(bat_priv); -diff -urNp linux-2.6.39.3/net/batman-adv/soft-interface.c linux-2.6.39.3/net/batman-adv/soft-interface.c ---- linux-2.6.39.3/net/batman-adv/soft-interface.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/batman-adv/soft-interface.c 2011-05-22 19:36:33.000000000 -0400 -@@ -386,7 +386,7 @@ int interface_tx(struct sk_buff *skb, st - - /* set broadcast sequence number */ - bcast_packet->seqno = -- htonl(atomic_inc_return(&bat_priv->bcast_seqno)); -+ htonl(atomic_inc_return_unchecked(&bat_priv->bcast_seqno)); - - add_bcast_packet_to_list(bat_priv, skb); - -@@ -579,7 +579,7 @@ struct net_device *softif_create(char *n - atomic_set(&bat_priv->batman_queue_left, BATMAN_QUEUE_LEN); - - atomic_set(&bat_priv->mesh_state, MESH_INACTIVE); -- atomic_set(&bat_priv->bcast_seqno, 1); -+ atomic_set_unchecked(&bat_priv->bcast_seqno, 1); - atomic_set(&bat_priv->hna_local_changed, 0); - - bat_priv->primary_if = NULL; -diff -urNp linux-2.6.39.3/net/batman-adv/types.h linux-2.6.39.3/net/batman-adv/types.h ---- linux-2.6.39.3/net/batman-adv/types.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/batman-adv/types.h 2011-05-22 19:36:33.000000000 -0400 -@@ -38,8 +38,8 @@ struct hard_iface { - int16_t if_num; - char if_status; - struct net_device *net_dev; -- atomic_t seqno; -- atomic_t frag_seqno; -+ atomic_unchecked_t seqno; -+ atomic_unchecked_t frag_seqno; - unsigned char *packet_buff; - int packet_len; - struct kobject *hardif_obj; -@@ -141,7 +141,7 @@ struct bat_priv { - atomic_t orig_interval; /* uint */ - atomic_t hop_penalty; /* uint */ - atomic_t log_level; /* uint */ -- atomic_t bcast_seqno; -+ atomic_unchecked_t bcast_seqno; - atomic_t bcast_queue_left; - atomic_t batman_queue_left; - char num_ifaces; -diff -urNp linux-2.6.39.3/net/batman-adv/unicast.c linux-2.6.39.3/net/batman-adv/unicast.c ---- linux-2.6.39.3/net/batman-adv/unicast.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/batman-adv/unicast.c 2011-05-22 19:36:33.000000000 -0400 -@@ -263,7 +263,7 @@ int frag_send_skb(struct sk_buff *skb, s - frag1->flags = UNI_FRAG_HEAD | large_tail; - frag2->flags = large_tail; - -- seqno = atomic_add_return(2, &hard_iface->frag_seqno); -+ seqno = atomic_add_return_unchecked(2, &hard_iface->frag_seqno); - frag1->seqno = htons(seqno - 1); - frag2->seqno = htons(seqno); - -diff -urNp linux-2.6.39.3/net/bluetooth/l2cap_core.c linux-2.6.39.3/net/bluetooth/l2cap_core.c ---- linux-2.6.39.3/net/bluetooth/l2cap_core.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/bluetooth/l2cap_core.c 2011-06-25 14:32:21.000000000 -0400 -@@ -2202,7 +2202,7 @@ static inline int l2cap_config_req(struc - - /* Reject if config buffer is too small. */ - len = cmd_len - sizeof(*req); -- if (l2cap_pi(sk)->conf_len + len > sizeof(l2cap_pi(sk)->conf_req)) { -+ if (len < 0 || l2cap_pi(sk)->conf_len + len > sizeof(l2cap_pi(sk)->conf_req)) { - l2cap_send_cmd(conn, cmd->ident, L2CAP_CONF_RSP, - l2cap_build_conf_rsp(sk, rsp, - L2CAP_CONF_REJECT, flags), rsp); -diff -urNp linux-2.6.39.3/net/bluetooth/l2cap_sock.c linux-2.6.39.3/net/bluetooth/l2cap_sock.c ---- linux-2.6.39.3/net/bluetooth/l2cap_sock.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/bluetooth/l2cap_sock.c 2011-06-12 06:36:08.000000000 -0400 -@@ -446,6 +446,7 @@ static int l2cap_sock_getsockopt_old(str - break; - } - -+ memset(&cinfo, 0, sizeof(cinfo)); - cinfo.hci_handle = l2cap_pi(sk)->conn->hcon->handle; - memcpy(cinfo.dev_class, l2cap_pi(sk)->conn->hcon->dev_class, 3); - -diff -urNp linux-2.6.39.3/net/bluetooth/rfcomm/sock.c linux-2.6.39.3/net/bluetooth/rfcomm/sock.c ---- linux-2.6.39.3/net/bluetooth/rfcomm/sock.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/bluetooth/rfcomm/sock.c 2011-06-12 06:36:42.000000000 -0400 -@@ -787,6 +787,7 @@ static int rfcomm_sock_getsockopt_old(st - - l2cap_sk = rfcomm_pi(sk)->dlc->session->sock->sk; - -+ memset(&cinfo, 0, sizeof(cinfo)); - cinfo.hci_handle = l2cap_pi(l2cap_sk)->conn->hcon->handle; - memcpy(cinfo.dev_class, l2cap_pi(l2cap_sk)->conn->hcon->dev_class, 3); - -diff -urNp linux-2.6.39.3/net/bridge/br_multicast.c linux-2.6.39.3/net/bridge/br_multicast.c ---- linux-2.6.39.3/net/bridge/br_multicast.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/bridge/br_multicast.c 2011-05-22 19:36:33.000000000 -0400 -@@ -1482,7 +1482,7 @@ static int br_multicast_ipv6_rcv(struct - nexthdr = ip6h->nexthdr; - offset = ipv6_skip_exthdr(skb, sizeof(*ip6h), &nexthdr); - -- if (offset < 0 || nexthdr != IPPROTO_ICMPV6) -+ if (nexthdr != IPPROTO_ICMPV6) - return 0; - - /* Okay, we found ICMPv6 header */ -diff -urNp linux-2.6.39.3/net/bridge/netfilter/ebtables.c linux-2.6.39.3/net/bridge/netfilter/ebtables.c ---- linux-2.6.39.3/net/bridge/netfilter/ebtables.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/bridge/netfilter/ebtables.c 2011-05-22 19:36:33.000000000 -0400 -@@ -1512,7 +1512,7 @@ static int do_ebt_get_ctl(struct sock *s - tmp.valid_hooks = t->table->valid_hooks; - } - mutex_unlock(&ebt_mutex); -- if (copy_to_user(user, &tmp, *len) != 0){ -+ if (*len > sizeof(tmp) || copy_to_user(user, &tmp, *len) != 0){ - BUGPRINT("c2u Didn't work\n"); - ret = -EFAULT; - break; -@@ -1780,6 +1780,8 @@ static int compat_copy_everything_to_use - int ret; - void __user *pos; - -+ pax_track_stack(); -+ - memset(&tinfo, 0, sizeof(tinfo)); - - if (cmd == EBT_SO_GET_ENTRIES) { -diff -urNp linux-2.6.39.3/net/caif/caif_socket.c linux-2.6.39.3/net/caif/caif_socket.c ---- linux-2.6.39.3/net/caif/caif_socket.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/caif/caif_socket.c 2011-05-22 19:36:33.000000000 -0400 -@@ -48,18 +48,19 @@ static struct dentry *debugfsdir; - #ifdef CONFIG_DEBUG_FS - struct debug_fs_counter { - atomic_t caif_nr_socks; -- atomic_t num_connect_req; -- atomic_t num_connect_resp; -- atomic_t num_connect_fail_resp; -- atomic_t num_disconnect; -- atomic_t num_remote_shutdown_ind; -- atomic_t num_tx_flow_off_ind; -- atomic_t num_tx_flow_on_ind; -- atomic_t num_rx_flow_off; -- atomic_t num_rx_flow_on; -+ atomic_unchecked_t num_connect_req; -+ atomic_unchecked_t num_connect_resp; -+ atomic_unchecked_t num_connect_fail_resp; -+ atomic_unchecked_t num_disconnect; -+ atomic_unchecked_t num_remote_shutdown_ind; -+ atomic_unchecked_t num_tx_flow_off_ind; -+ atomic_unchecked_t num_tx_flow_on_ind; -+ atomic_unchecked_t num_rx_flow_off; -+ atomic_unchecked_t num_rx_flow_on; - }; - static struct debug_fs_counter cnt; - #define dbfs_atomic_inc(v) atomic_inc(v) -+#define dbfs_atomic_inc_unchecked(v) atomic_inc_unchecked(v) - #define dbfs_atomic_dec(v) atomic_dec(v) - #else - #define dbfs_atomic_inc(v) -@@ -159,7 +160,7 @@ static int caif_queue_rcv_skb(struct soc - atomic_read(&cf_sk->sk.sk_rmem_alloc), - sk_rcvbuf_lowwater(cf_sk)); - set_rx_flow_off(cf_sk); -- dbfs_atomic_inc(&cnt.num_rx_flow_off); -+ dbfs_atomic_inc_unchecked(&cnt.num_rx_flow_off); - caif_flow_ctrl(sk, CAIF_MODEMCMD_FLOW_OFF_REQ); - } - -@@ -169,7 +170,7 @@ static int caif_queue_rcv_skb(struct soc - if (!sk_rmem_schedule(sk, skb->truesize) && rx_flow_is_on(cf_sk)) { - set_rx_flow_off(cf_sk); - pr_debug("sending flow OFF due to rmem_schedule\n"); -- dbfs_atomic_inc(&cnt.num_rx_flow_off); -+ dbfs_atomic_inc_unchecked(&cnt.num_rx_flow_off); - caif_flow_ctrl(sk, CAIF_MODEMCMD_FLOW_OFF_REQ); - } - skb->dev = NULL; -@@ -218,21 +219,21 @@ static void caif_ctrl_cb(struct cflayer - switch (flow) { - case CAIF_CTRLCMD_FLOW_ON_IND: - /* OK from modem to start sending again */ -- dbfs_atomic_inc(&cnt.num_tx_flow_on_ind); -+ dbfs_atomic_inc_unchecked(&cnt.num_tx_flow_on_ind); - set_tx_flow_on(cf_sk); - cf_sk->sk.sk_state_change(&cf_sk->sk); - break; - - case CAIF_CTRLCMD_FLOW_OFF_IND: - /* Modem asks us to shut up */ -- dbfs_atomic_inc(&cnt.num_tx_flow_off_ind); -+ dbfs_atomic_inc_unchecked(&cnt.num_tx_flow_off_ind); - set_tx_flow_off(cf_sk); - cf_sk->sk.sk_state_change(&cf_sk->sk); - break; - - case CAIF_CTRLCMD_INIT_RSP: - /* We're now connected */ -- dbfs_atomic_inc(&cnt.num_connect_resp); -+ dbfs_atomic_inc_unchecked(&cnt.num_connect_resp); - cf_sk->sk.sk_state = CAIF_CONNECTED; - set_tx_flow_on(cf_sk); - cf_sk->sk.sk_state_change(&cf_sk->sk); -@@ -247,7 +248,7 @@ static void caif_ctrl_cb(struct cflayer - - case CAIF_CTRLCMD_INIT_FAIL_RSP: - /* Connect request failed */ -- dbfs_atomic_inc(&cnt.num_connect_fail_resp); -+ dbfs_atomic_inc_unchecked(&cnt.num_connect_fail_resp); - cf_sk->sk.sk_err = ECONNREFUSED; - cf_sk->sk.sk_state = CAIF_DISCONNECTED; - cf_sk->sk.sk_shutdown = SHUTDOWN_MASK; -@@ -261,7 +262,7 @@ static void caif_ctrl_cb(struct cflayer - - case CAIF_CTRLCMD_REMOTE_SHUTDOWN_IND: - /* Modem has closed this connection, or device is down. */ -- dbfs_atomic_inc(&cnt.num_remote_shutdown_ind); -+ dbfs_atomic_inc_unchecked(&cnt.num_remote_shutdown_ind); - cf_sk->sk.sk_shutdown = SHUTDOWN_MASK; - cf_sk->sk.sk_err = ECONNRESET; - set_rx_flow_on(cf_sk); -@@ -281,7 +282,7 @@ static void caif_check_flow_release(stru - return; - - if (atomic_read(&sk->sk_rmem_alloc) <= sk_rcvbuf_lowwater(cf_sk)) { -- dbfs_atomic_inc(&cnt.num_rx_flow_on); -+ dbfs_atomic_inc_unchecked(&cnt.num_rx_flow_on); - set_rx_flow_on(cf_sk); - caif_flow_ctrl(sk, CAIF_MODEMCMD_FLOW_ON_REQ); - } -@@ -864,7 +865,7 @@ static int caif_connect(struct socket *s - /*ifindex = id of the interface.*/ - cf_sk->conn_req.ifindex = cf_sk->sk.sk_bound_dev_if; - -- dbfs_atomic_inc(&cnt.num_connect_req); -+ dbfs_atomic_inc_unchecked(&cnt.num_connect_req); - cf_sk->layer.receive = caif_sktrecv_cb; - err = caif_connect_client(&cf_sk->conn_req, - &cf_sk->layer, &ifindex, &headroom, &tailroom); -@@ -952,7 +953,7 @@ static int caif_release(struct socket *s - spin_unlock(&sk->sk_receive_queue.lock); - sock->sk = NULL; - -- dbfs_atomic_inc(&cnt.num_disconnect); -+ dbfs_atomic_inc_unchecked(&cnt.num_disconnect); - - if (cf_sk->debugfs_socket_dir != NULL) - debugfs_remove_recursive(cf_sk->debugfs_socket_dir); -diff -urNp linux-2.6.39.3/net/caif/cfctrl.c linux-2.6.39.3/net/caif/cfctrl.c ---- linux-2.6.39.3/net/caif/cfctrl.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/caif/cfctrl.c 2011-05-22 19:36:33.000000000 -0400 -@@ -9,6 +9,7 @@ - #include <linux/stddef.h> - #include <linux/spinlock.h> - #include <linux/slab.h> -+#include <linux/sched.h> - #include <net/caif/caif_layer.h> - #include <net/caif/cfpkt.h> - #include <net/caif/cfctrl.h> -@@ -46,8 +47,8 @@ struct cflayer *cfctrl_create(void) - dev_info.id = 0xff; - memset(this, 0, sizeof(*this)); - cfsrvl_init(&this->serv, 0, &dev_info, false); -- atomic_set(&this->req_seq_no, 1); -- atomic_set(&this->rsp_seq_no, 1); -+ atomic_set_unchecked(&this->req_seq_no, 1); -+ atomic_set_unchecked(&this->rsp_seq_no, 1); - this->serv.layer.receive = cfctrl_recv; - sprintf(this->serv.layer.name, "ctrl"); - this->serv.layer.ctrlcmd = cfctrl_ctrlcmd; -@@ -116,8 +117,8 @@ void cfctrl_insert_req(struct cfctrl *ct - struct cfctrl_request_info *req) - { - spin_lock(&ctrl->info_list_lock); -- atomic_inc(&ctrl->req_seq_no); -- req->sequence_no = atomic_read(&ctrl->req_seq_no); -+ atomic_inc_unchecked(&ctrl->req_seq_no); -+ req->sequence_no = atomic_read_unchecked(&ctrl->req_seq_no); - list_add_tail(&req->list, &ctrl->list); - spin_unlock(&ctrl->info_list_lock); - } -@@ -136,7 +137,7 @@ struct cfctrl_request_info *cfctrl_remov - if (p != first) - pr_warn("Requests are not received in order\n"); - -- atomic_set(&ctrl->rsp_seq_no, -+ atomic_set_unchecked(&ctrl->rsp_seq_no, - p->sequence_no); - list_del(&p->list); - goto out; -@@ -385,6 +386,7 @@ static int cfctrl_recv(struct cflayer *l - struct cfctrl *cfctrl = container_obj(layer); - struct cfctrl_request_info rsp, *req; - -+ pax_track_stack(); - - cfpkt_extr_head(pkt, &cmdrsp, 1); - cmd = cmdrsp & CFCTRL_CMD_MASK; -diff -urNp linux-2.6.39.3/net/can/bcm.c linux-2.6.39.3/net/can/bcm.c ---- linux-2.6.39.3/net/can/bcm.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/can/bcm.c 2011-05-22 19:41:42.000000000 -0400 -@@ -165,9 +165,15 @@ static int bcm_proc_show(struct seq_file - struct bcm_sock *bo = bcm_sk(sk); - struct bcm_op *op; - -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+ seq_printf(m, ">>> socket %p", NULL); -+ seq_printf(m, " / sk %p", NULL); -+ seq_printf(m, " / bo %p", NULL); -+#else - seq_printf(m, ">>> socket %p", sk->sk_socket); - seq_printf(m, " / sk %p", sk); - seq_printf(m, " / bo %p", bo); -+#endif - seq_printf(m, " / dropped %lu", bo->dropped_usr_msgs); - seq_printf(m, " / bound %s", bcm_proc_getifname(ifname, bo->ifindex)); - seq_printf(m, " <<<\n"); -diff -urNp linux-2.6.39.3/net/core/datagram.c linux-2.6.39.3/net/core/datagram.c ---- linux-2.6.39.3/net/core/datagram.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/core/datagram.c 2011-05-22 19:36:33.000000000 -0400 -@@ -285,7 +285,7 @@ int skb_kill_datagram(struct sock *sk, s - } - - kfree_skb(skb); -- atomic_inc(&sk->sk_drops); -+ atomic_inc_unchecked(&sk->sk_drops); - sk_mem_reclaim_partial(sk); - - return err; -diff -urNp linux-2.6.39.3/net/core/dev.c linux-2.6.39.3/net/core/dev.c ---- linux-2.6.39.3/net/core/dev.c 2011-06-03 00:04:14.000000000 -0400 -+++ linux-2.6.39.3/net/core/dev.c 2011-06-03 00:32:08.000000000 -0400 -@@ -1125,10 +1125,14 @@ void dev_load(struct net *net, const cha - if (no_module && capable(CAP_NET_ADMIN)) - no_module = request_module("netdev-%s", name); - if (no_module && capable(CAP_SYS_MODULE)) { -+#ifdef CONFIG_GRKERNSEC_MODHARDEN -+ ___request_module(true, "grsec_modharden_netdev", "%s", name); -+#else - if (!request_module("%s", name)) - pr_err("Loading kernel module for a network device " - "with CAP_SYS_MODULE (deprecated). Use CAP_NET_ADMIN and alias netdev-%s " - "instead\n", name); -+#endif - } - } - EXPORT_SYMBOL(dev_load); -@@ -1957,7 +1961,7 @@ struct dev_gso_cb { - - static void dev_gso_skb_destructor(struct sk_buff *skb) - { -- struct dev_gso_cb *cb; -+ const struct dev_gso_cb *cb; - - do { - struct sk_buff *nskb = skb->next; -@@ -2901,7 +2905,7 @@ int netif_rx_ni(struct sk_buff *skb) - } - EXPORT_SYMBOL(netif_rx_ni); - --static void net_tx_action(struct softirq_action *h) -+static void net_tx_action(void) - { - struct softnet_data *sd = &__get_cpu_var(softnet_data); - -@@ -3765,7 +3769,7 @@ void netif_napi_del(struct napi_struct * - } - EXPORT_SYMBOL(netif_napi_del); - --static void net_rx_action(struct softirq_action *h) -+static void net_rx_action(void) - { - struct softnet_data *sd = &__get_cpu_var(softnet_data); - unsigned long time_limit = jiffies + 2; -diff -urNp linux-2.6.39.3/net/core/flow.c linux-2.6.39.3/net/core/flow.c ---- linux-2.6.39.3/net/core/flow.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/core/flow.c 2011-05-22 19:36:34.000000000 -0400 -@@ -60,7 +60,7 @@ struct flow_cache { - struct timer_list rnd_timer; - }; - --atomic_t flow_cache_genid = ATOMIC_INIT(0); -+atomic_unchecked_t flow_cache_genid = ATOMIC_INIT(0); - EXPORT_SYMBOL(flow_cache_genid); - static struct flow_cache flow_cache_global; - static struct kmem_cache *flow_cachep __read_mostly; -@@ -85,7 +85,7 @@ static void flow_cache_new_hashrnd(unsig - - static int flow_entry_valid(struct flow_cache_entry *fle) - { -- if (atomic_read(&flow_cache_genid) != fle->genid) -+ if (atomic_read_unchecked(&flow_cache_genid) != fle->genid) - return 0; - if (fle->object && !fle->object->ops->check(fle->object)) - return 0; -@@ -253,7 +253,7 @@ flow_cache_lookup(struct net *net, const - hlist_add_head(&fle->u.hlist, &fcp->hash_table[hash]); - fcp->hash_count++; - } -- } else if (likely(fle->genid == atomic_read(&flow_cache_genid))) { -+ } else if (likely(fle->genid == atomic_read_unchecked(&flow_cache_genid))) { - flo = fle->object; - if (!flo) - goto ret_object; -@@ -274,7 +274,7 @@ nocache: - } - flo = resolver(net, key, family, dir, flo, ctx); - if (fle) { -- fle->genid = atomic_read(&flow_cache_genid); -+ fle->genid = atomic_read_unchecked(&flow_cache_genid); - if (!IS_ERR(flo)) - fle->object = flo; - else -diff -urNp linux-2.6.39.3/net/core/skbuff.c linux-2.6.39.3/net/core/skbuff.c ---- linux-2.6.39.3/net/core/skbuff.c 2011-06-03 00:04:14.000000000 -0400 -+++ linux-2.6.39.3/net/core/skbuff.c 2011-06-03 00:32:08.000000000 -0400 -@@ -1542,6 +1542,8 @@ int skb_splice_bits(struct sk_buff *skb, - struct sock *sk = skb->sk; - int ret = 0; - -+ pax_track_stack(); -+ - if (splice_grow_spd(pipe, &spd)) - return -ENOMEM; - -diff -urNp linux-2.6.39.3/net/core/sock.c linux-2.6.39.3/net/core/sock.c ---- linux-2.6.39.3/net/core/sock.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/core/sock.c 2011-05-22 19:36:34.000000000 -0400 -@@ -291,7 +291,7 @@ int sock_queue_rcv_skb(struct sock *sk, - */ - if (atomic_read(&sk->sk_rmem_alloc) + skb->truesize >= - (unsigned)sk->sk_rcvbuf) { -- atomic_inc(&sk->sk_drops); -+ atomic_inc_unchecked(&sk->sk_drops); - return -ENOMEM; - } - -@@ -300,7 +300,7 @@ int sock_queue_rcv_skb(struct sock *sk, - return err; - - if (!sk_rmem_schedule(sk, skb->truesize)) { -- atomic_inc(&sk->sk_drops); -+ atomic_inc_unchecked(&sk->sk_drops); - return -ENOBUFS; - } - -@@ -320,7 +320,7 @@ int sock_queue_rcv_skb(struct sock *sk, - skb_dst_force(skb); - - spin_lock_irqsave(&list->lock, flags); -- skb->dropcount = atomic_read(&sk->sk_drops); -+ skb->dropcount = atomic_read_unchecked(&sk->sk_drops); - __skb_queue_tail(list, skb); - spin_unlock_irqrestore(&list->lock, flags); - -@@ -340,7 +340,7 @@ int sk_receive_skb(struct sock *sk, stru - skb->dev = NULL; - - if (sk_rcvqueues_full(sk, skb)) { -- atomic_inc(&sk->sk_drops); -+ atomic_inc_unchecked(&sk->sk_drops); - goto discard_and_relse; - } - if (nested) -@@ -358,7 +358,7 @@ int sk_receive_skb(struct sock *sk, stru - mutex_release(&sk->sk_lock.dep_map, 1, _RET_IP_); - } else if (sk_add_backlog(sk, skb)) { - bh_unlock_sock(sk); -- atomic_inc(&sk->sk_drops); -+ atomic_inc_unchecked(&sk->sk_drops); - goto discard_and_relse; - } - -@@ -934,7 +934,7 @@ int sock_getsockopt(struct socket *sock, - return -ENOTCONN; - if (lv < len) - return -EINVAL; -- if (copy_to_user(optval, address, len)) -+ if (len > sizeof(address) || copy_to_user(optval, address, len)) - return -EFAULT; - goto lenout; - } -@@ -967,7 +967,7 @@ int sock_getsockopt(struct socket *sock, - - if (len > lv) - len = lv; -- if (copy_to_user(optval, &v, len)) -+ if (len > sizeof(v) || copy_to_user(optval, &v, len)) - return -EFAULT; - lenout: - if (put_user(len, optlen)) -@@ -2023,7 +2023,7 @@ void sock_init_data(struct socket *sock, - */ - smp_wmb(); - atomic_set(&sk->sk_refcnt, 1); -- atomic_set(&sk->sk_drops, 0); -+ atomic_set_unchecked(&sk->sk_drops, 0); - } - EXPORT_SYMBOL(sock_init_data); - -diff -urNp linux-2.6.39.3/net/decnet/sysctl_net_decnet.c linux-2.6.39.3/net/decnet/sysctl_net_decnet.c ---- linux-2.6.39.3/net/decnet/sysctl_net_decnet.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/decnet/sysctl_net_decnet.c 2011-05-22 19:36:34.000000000 -0400 -@@ -173,7 +173,7 @@ static int dn_node_address_handler(ctl_t - - if (len > *lenp) len = *lenp; - -- if (copy_to_user(buffer, addr, len)) -+ if (len > sizeof addr || copy_to_user(buffer, addr, len)) - return -EFAULT; - - *lenp = len; -@@ -236,7 +236,7 @@ static int dn_def_dev_handler(ctl_table - - if (len > *lenp) len = *lenp; - -- if (copy_to_user(buffer, devname, len)) -+ if (len > sizeof devname || copy_to_user(buffer, devname, len)) - return -EFAULT; - - *lenp = len; -diff -urNp linux-2.6.39.3/net/econet/Kconfig linux-2.6.39.3/net/econet/Kconfig ---- linux-2.6.39.3/net/econet/Kconfig 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/econet/Kconfig 2011-05-22 19:41:42.000000000 -0400 -@@ -4,7 +4,7 @@ - - config ECONET - tristate "Acorn Econet/AUN protocols (EXPERIMENTAL)" -- depends on EXPERIMENTAL && INET -+ depends on EXPERIMENTAL && INET && BROKEN - ---help--- - Econet is a fairly old and slow networking protocol mainly used by - Acorn computers to access file and print servers. It uses native -diff -urNp linux-2.6.39.3/net/ipv4/fib_frontend.c linux-2.6.39.3/net/ipv4/fib_frontend.c ---- linux-2.6.39.3/net/ipv4/fib_frontend.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/ipv4/fib_frontend.c 2011-05-22 19:36:34.000000000 -0400 -@@ -968,12 +968,12 @@ static int fib_inetaddr_event(struct not - #ifdef CONFIG_IP_ROUTE_MULTIPATH - fib_sync_up(dev); - #endif -- atomic_inc(&net->ipv4.dev_addr_genid); -+ atomic_inc_unchecked(&net->ipv4.dev_addr_genid); - rt_cache_flush(dev_net(dev), -1); - break; - case NETDEV_DOWN: - fib_del_ifaddr(ifa, NULL); -- atomic_inc(&net->ipv4.dev_addr_genid); -+ atomic_inc_unchecked(&net->ipv4.dev_addr_genid); - if (ifa->ifa_dev->ifa_list == NULL) { - /* Last address was deleted from this interface. - * Disable IP. -@@ -1009,7 +1009,7 @@ static int fib_netdev_event(struct notif - #ifdef CONFIG_IP_ROUTE_MULTIPATH - fib_sync_up(dev); - #endif -- atomic_inc(&net->ipv4.dev_addr_genid); -+ atomic_inc_unchecked(&net->ipv4.dev_addr_genid); - rt_cache_flush(dev_net(dev), -1); - break; - case NETDEV_DOWN: -diff -urNp linux-2.6.39.3/net/ipv4/fib_semantics.c linux-2.6.39.3/net/ipv4/fib_semantics.c ---- linux-2.6.39.3/net/ipv4/fib_semantics.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/ipv4/fib_semantics.c 2011-05-22 19:36:34.000000000 -0400 -@@ -701,7 +701,7 @@ __be32 fib_info_update_nh_saddr(struct n - nh->nh_saddr = inet_select_addr(nh->nh_dev, - nh->nh_gw, - nh->nh_parent->fib_scope); -- nh->nh_saddr_genid = atomic_read(&net->ipv4.dev_addr_genid); -+ nh->nh_saddr_genid = atomic_read_unchecked(&net->ipv4.dev_addr_genid); - - return nh->nh_saddr; - } -diff -urNp linux-2.6.39.3/net/ipv4/inet_diag.c linux-2.6.39.3/net/ipv4/inet_diag.c ---- linux-2.6.39.3/net/ipv4/inet_diag.c 2011-07-09 09:18:51.000000000 -0400 -+++ linux-2.6.39.3/net/ipv4/inet_diag.c 2011-06-20 19:27:58.000000000 -0400 -@@ -114,8 +114,14 @@ static int inet_csk_diag_fill(struct soc - r->idiag_retrans = 0; - - r->id.idiag_if = sk->sk_bound_dev_if; -+ -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+ r->id.idiag_cookie[0] = 0; -+ r->id.idiag_cookie[1] = 0; -+#else - r->id.idiag_cookie[0] = (u32)(unsigned long)sk; - r->id.idiag_cookie[1] = (u32)(((unsigned long)sk >> 31) >> 1); -+#endif - - r->id.idiag_sport = inet->inet_sport; - r->id.idiag_dport = inet->inet_dport; -@@ -201,8 +207,15 @@ static int inet_twsk_diag_fill(struct in - r->idiag_family = tw->tw_family; - r->idiag_retrans = 0; - r->id.idiag_if = tw->tw_bound_dev_if; -+ -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+ r->id.idiag_cookie[0] = 0; -+ r->id.idiag_cookie[1] = 0; -+#else - r->id.idiag_cookie[0] = (u32)(unsigned long)tw; - r->id.idiag_cookie[1] = (u32)(((unsigned long)tw >> 31) >> 1); -+#endif -+ - r->id.idiag_sport = tw->tw_sport; - r->id.idiag_dport = tw->tw_dport; - r->id.idiag_src[0] = tw->tw_rcv_saddr; -@@ -285,12 +298,14 @@ static int inet_diag_get_exact(struct sk - if (sk == NULL) - goto unlock; - -+#ifndef CONFIG_GRKERNSEC_HIDESYM - err = -ESTALE; - if ((req->id.idiag_cookie[0] != INET_DIAG_NOCOOKIE || - req->id.idiag_cookie[1] != INET_DIAG_NOCOOKIE) && - ((u32)(unsigned long)sk != req->id.idiag_cookie[0] || - (u32)((((unsigned long)sk) >> 31) >> 1) != req->id.idiag_cookie[1])) - goto out; -+#endif - - err = -ENOMEM; - rep = alloc_skb(NLMSG_SPACE((sizeof(struct inet_diag_msg) + -@@ -580,8 +595,14 @@ static int inet_diag_fill_req(struct sk_ - r->idiag_retrans = req->retrans; - - r->id.idiag_if = sk->sk_bound_dev_if; -+ -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+ r->id.idiag_cookie[0] = 0; -+ r->id.idiag_cookie[1] = 0; -+#else - r->id.idiag_cookie[0] = (u32)(unsigned long)req; - r->id.idiag_cookie[1] = (u32)(((unsigned long)req >> 31) >> 1); -+#endif - - tmo = req->expires - jiffies; - if (tmo < 0) -diff -urNp linux-2.6.39.3/net/ipv4/inet_hashtables.c linux-2.6.39.3/net/ipv4/inet_hashtables.c ---- linux-2.6.39.3/net/ipv4/inet_hashtables.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/ipv4/inet_hashtables.c 2011-05-22 19:41:42.000000000 -0400 -@@ -18,11 +18,14 @@ - #include <linux/sched.h> - #include <linux/slab.h> - #include <linux/wait.h> -+#include <linux/security.h> - - #include <net/inet_connection_sock.h> - #include <net/inet_hashtables.h> - #include <net/ip.h> - -+extern void gr_update_task_in_ip_table(struct task_struct *task, const struct inet_sock *inet); -+ - /* - * Allocate and initialize a new local port bind bucket. - * The bindhash mutex for snum's hash chain must be held here. -@@ -529,6 +532,8 @@ ok: - twrefcnt += inet_twsk_bind_unhash(tw, hinfo); - spin_unlock(&head->lock); - -+ gr_update_task_in_ip_table(current, inet_sk(sk)); -+ - if (tw) { - inet_twsk_deschedule(tw, death_row); - while (twrefcnt) { -diff -urNp linux-2.6.39.3/net/ipv4/inetpeer.c linux-2.6.39.3/net/ipv4/inetpeer.c ---- linux-2.6.39.3/net/ipv4/inetpeer.c 2011-07-09 09:18:51.000000000 -0400 -+++ linux-2.6.39.3/net/ipv4/inetpeer.c 2011-07-09 09:21:38.000000000 -0400 -@@ -480,6 +480,8 @@ struct inet_peer *inet_getpeer(struct in - unsigned int sequence; - int invalidated, newrefcnt = 0; - -+ pax_track_stack(); -+ - /* Look up for the address quickly, lockless. - * Because of a concurrent writer, we might not find an existing entry. - */ -@@ -516,8 +518,8 @@ found: /* The existing node has been fo - if (p) { - p->daddr = *daddr; - atomic_set(&p->refcnt, 1); -- atomic_set(&p->rid, 0); -- atomic_set(&p->ip_id_count, secure_ip_id(daddr->addr.a4)); -+ atomic_set_unchecked(&p->rid, 0); -+ atomic_set_unchecked(&p->ip_id_count, secure_ip_id(daddr->addr.a4)); - p->tcp_ts_stamp = 0; - p->metrics[RTAX_LOCK-1] = INETPEER_METRICS_NEW; - p->rate_tokens = 0; -diff -urNp linux-2.6.39.3/net/ipv4/ip_fragment.c linux-2.6.39.3/net/ipv4/ip_fragment.c ---- linux-2.6.39.3/net/ipv4/ip_fragment.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/ipv4/ip_fragment.c 2011-05-22 19:36:34.000000000 -0400 -@@ -297,7 +297,7 @@ static inline int ip_frag_too_far(struct - return 0; - - start = qp->rid; -- end = atomic_inc_return(&peer->rid); -+ end = atomic_inc_return_unchecked(&peer->rid); - qp->rid = end; - - rc = qp->q.fragments && (end - start) > max; -diff -urNp linux-2.6.39.3/net/ipv4/ip_sockglue.c linux-2.6.39.3/net/ipv4/ip_sockglue.c ---- linux-2.6.39.3/net/ipv4/ip_sockglue.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/ipv4/ip_sockglue.c 2011-05-22 19:36:34.000000000 -0400 -@@ -1064,6 +1064,8 @@ static int do_ip_getsockopt(struct sock - int val; - int len; - -+ pax_track_stack(); -+ - if (level != SOL_IP) - return -EOPNOTSUPP; - -diff -urNp linux-2.6.39.3/net/ipv4/netfilter/nf_nat_snmp_basic.c linux-2.6.39.3/net/ipv4/netfilter/nf_nat_snmp_basic.c ---- linux-2.6.39.3/net/ipv4/netfilter/nf_nat_snmp_basic.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/ipv4/netfilter/nf_nat_snmp_basic.c 2011-05-22 19:36:34.000000000 -0400 -@@ -399,7 +399,7 @@ static unsigned char asn1_octets_decode( - - *len = 0; - -- *octets = kmalloc(eoc - ctx->pointer, GFP_ATOMIC); -+ *octets = kmalloc((eoc - ctx->pointer), GFP_ATOMIC); - if (*octets == NULL) { - if (net_ratelimit()) - pr_notice("OOM in bsalg (%d)\n", __LINE__); -diff -urNp linux-2.6.39.3/net/ipv4/raw.c linux-2.6.39.3/net/ipv4/raw.c ---- linux-2.6.39.3/net/ipv4/raw.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/ipv4/raw.c 2011-05-22 19:41:42.000000000 -0400 -@@ -302,7 +302,7 @@ static int raw_rcv_skb(struct sock * sk, - int raw_rcv(struct sock *sk, struct sk_buff *skb) - { - if (!xfrm4_policy_check(sk, XFRM_POLICY_IN, skb)) { -- atomic_inc(&sk->sk_drops); -+ atomic_inc_unchecked(&sk->sk_drops); - kfree_skb(skb); - return NET_RX_DROP; - } -@@ -730,15 +730,19 @@ static int raw_init(struct sock *sk) - - static int raw_seticmpfilter(struct sock *sk, char __user *optval, int optlen) - { -+ struct icmp_filter filter; -+ - if (optlen > sizeof(struct icmp_filter)) - optlen = sizeof(struct icmp_filter); -- if (copy_from_user(&raw_sk(sk)->filter, optval, optlen)) -+ if (copy_from_user(&filter, optval, optlen)) - return -EFAULT; -+ memcpy(&raw_sk(sk)->filter, &filter, sizeof(filter)); - return 0; - } - - static int raw_geticmpfilter(struct sock *sk, char __user *optval, int __user *optlen) - { -+ struct icmp_filter filter; - int len, ret = -EFAULT; - - if (get_user(len, optlen)) -@@ -749,8 +753,9 @@ static int raw_geticmpfilter(struct sock - if (len > sizeof(struct icmp_filter)) - len = sizeof(struct icmp_filter); - ret = -EFAULT; -+ memcpy(&filter, &raw_sk(sk)->filter, len); - if (put_user(len, optlen) || -- copy_to_user(optval, &raw_sk(sk)->filter, len)) -+ copy_to_user(optval, &filter, len)) - goto out; - ret = 0; - out: return ret; -@@ -978,7 +983,13 @@ static void raw_sock_seq_show(struct seq - sk_wmem_alloc_get(sp), - sk_rmem_alloc_get(sp), - 0, 0L, 0, sock_i_uid(sp), 0, sock_i_ino(sp), -- atomic_read(&sp->sk_refcnt), sp, atomic_read(&sp->sk_drops)); -+ atomic_read(&sp->sk_refcnt), -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+ NULL, -+#else -+ sp, -+#endif -+ atomic_read_unchecked(&sp->sk_drops)); - } - - static int raw_seq_show(struct seq_file *seq, void *v) -diff -urNp linux-2.6.39.3/net/ipv4/route.c linux-2.6.39.3/net/ipv4/route.c ---- linux-2.6.39.3/net/ipv4/route.c 2011-07-09 09:18:51.000000000 -0400 -+++ linux-2.6.39.3/net/ipv4/route.c 2011-07-09 09:19:27.000000000 -0400 -@@ -303,7 +303,7 @@ static inline unsigned int rt_hash(__be3 - - static inline int rt_genid(struct net *net) - { -- return atomic_read(&net->ipv4.rt_genid); -+ return atomic_read_unchecked(&net->ipv4.rt_genid); - } - - #ifdef CONFIG_PROC_FS -@@ -831,7 +831,7 @@ static void rt_cache_invalidate(struct n - unsigned char shuffle; - - get_random_bytes(&shuffle, sizeof(shuffle)); -- atomic_add(shuffle + 1U, &net->ipv4.rt_genid); -+ atomic_add_unchecked(shuffle + 1U, &net->ipv4.rt_genid); - } - - /* -@@ -2833,7 +2833,7 @@ static int rt_fill_info(struct net *net, - rt->peer->pmtu_expires - jiffies : 0; - if (rt->peer) { - inet_peer_refcheck(rt->peer); -- id = atomic_read(&rt->peer->ip_id_count) & 0xffff; -+ id = atomic_read_unchecked(&rt->peer->ip_id_count) & 0xffff; - if (rt->peer->tcp_ts_stamp) { - ts = rt->peer->tcp_ts; - tsage = get_seconds() - rt->peer->tcp_ts_stamp; -diff -urNp linux-2.6.39.3/net/ipv4/tcp.c linux-2.6.39.3/net/ipv4/tcp.c ---- linux-2.6.39.3/net/ipv4/tcp.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/ipv4/tcp.c 2011-05-22 19:36:34.000000000 -0400 -@@ -2121,6 +2121,8 @@ static int do_tcp_setsockopt(struct sock - int val; - int err = 0; - -+ pax_track_stack(); -+ - /* These are data/string values, all the others are ints */ - switch (optname) { - case TCP_CONGESTION: { -@@ -2500,6 +2502,8 @@ static int do_tcp_getsockopt(struct sock - struct tcp_sock *tp = tcp_sk(sk); - int val, len; - -+ pax_track_stack(); -+ - if (get_user(len, optlen)) - return -EFAULT; - -diff -urNp linux-2.6.39.3/net/ipv4/tcp_ipv4.c linux-2.6.39.3/net/ipv4/tcp_ipv4.c ---- linux-2.6.39.3/net/ipv4/tcp_ipv4.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/ipv4/tcp_ipv4.c 2011-05-22 19:41:42.000000000 -0400 -@@ -86,6 +86,9 @@ int sysctl_tcp_tw_reuse __read_mostly; - int sysctl_tcp_low_latency __read_mostly; - EXPORT_SYMBOL(sysctl_tcp_low_latency); - -+#ifdef CONFIG_GRKERNSEC_BLACKHOLE -+extern int grsec_enable_blackhole; -+#endif - - #ifdef CONFIG_TCP_MD5SIG - static struct tcp_md5sig_key *tcp_v4_md5_do_lookup(struct sock *sk, -@@ -1594,6 +1597,9 @@ int tcp_v4_do_rcv(struct sock *sk, struc - return 0; - - reset: -+#ifdef CONFIG_GRKERNSEC_BLACKHOLE -+ if (!grsec_enable_blackhole) -+#endif - tcp_v4_send_reset(rsk, skb); - discard: - kfree_skb(skb); -@@ -1656,12 +1662,19 @@ int tcp_v4_rcv(struct sk_buff *skb) - TCP_SKB_CB(skb)->sacked = 0; - - sk = __inet_lookup_skb(&tcp_hashinfo, skb, th->source, th->dest); -- if (!sk) -+ if (!sk) { -+#ifdef CONFIG_GRKERNSEC_BLACKHOLE -+ ret = 1; -+#endif - goto no_tcp_socket; -- -+ } - process: -- if (sk->sk_state == TCP_TIME_WAIT) -+ if (sk->sk_state == TCP_TIME_WAIT) { -+#ifdef CONFIG_GRKERNSEC_BLACKHOLE -+ ret = 2; -+#endif - goto do_time_wait; -+ } - - if (unlikely(iph->ttl < inet_sk(sk)->min_ttl)) { - NET_INC_STATS_BH(net, LINUX_MIB_TCPMINTTLDROP); -@@ -1711,6 +1724,10 @@ no_tcp_socket: - bad_packet: - TCP_INC_STATS_BH(net, TCP_MIB_INERRS); - } else { -+#ifdef CONFIG_GRKERNSEC_BLACKHOLE -+ if (!grsec_enable_blackhole || (ret == 1 && -+ (skb->dev->flags & IFF_LOOPBACK))) -+#endif - tcp_v4_send_reset(NULL, skb); - } - -@@ -2374,7 +2391,11 @@ static void get_openreq4(struct sock *sk - 0, /* non standard timer */ - 0, /* open_requests have no inode */ - atomic_read(&sk->sk_refcnt), -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+ NULL, -+#else - req, -+#endif - len); - } - -@@ -2424,7 +2445,12 @@ static void get_tcp4_sock(struct sock *s - sock_i_uid(sk), - icsk->icsk_probes_out, - sock_i_ino(sk), -- atomic_read(&sk->sk_refcnt), sk, -+ atomic_read(&sk->sk_refcnt), -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+ NULL, -+#else -+ sk, -+#endif - jiffies_to_clock_t(icsk->icsk_rto), - jiffies_to_clock_t(icsk->icsk_ack.ato), - (icsk->icsk_ack.quick << 1) | icsk->icsk_ack.pingpong, -@@ -2452,7 +2478,13 @@ static void get_timewait4_sock(struct in - " %02X %08X:%08X %02X:%08lX %08X %5d %8d %d %d %p%n", - i, src, srcp, dest, destp, tw->tw_substate, 0, 0, - 3, jiffies_to_clock_t(ttd), 0, 0, 0, 0, -- atomic_read(&tw->tw_refcnt), tw, len); -+ atomic_read(&tw->tw_refcnt), -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+ NULL, -+#else -+ tw, -+#endif -+ len); - } - - #define TMPSZ 150 -diff -urNp linux-2.6.39.3/net/ipv4/tcp_minisocks.c linux-2.6.39.3/net/ipv4/tcp_minisocks.c ---- linux-2.6.39.3/net/ipv4/tcp_minisocks.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/ipv4/tcp_minisocks.c 2011-05-22 19:41:42.000000000 -0400 -@@ -27,6 +27,10 @@ - #include <net/inet_common.h> - #include <net/xfrm.h> - -+#ifdef CONFIG_GRKERNSEC_BLACKHOLE -+extern int grsec_enable_blackhole; -+#endif -+ - int sysctl_tcp_syncookies __read_mostly = 1; - EXPORT_SYMBOL(sysctl_tcp_syncookies); - -@@ -745,6 +749,10 @@ listen_overflow: - - embryonic_reset: - NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_EMBRYONICRSTS); -+ -+#ifdef CONFIG_GRKERNSEC_BLACKHOLE -+ if (!grsec_enable_blackhole) -+#endif - if (!(flg & TCP_FLAG_RST)) - req->rsk_ops->send_reset(sk, skb); - -diff -urNp linux-2.6.39.3/net/ipv4/tcp_output.c linux-2.6.39.3/net/ipv4/tcp_output.c ---- linux-2.6.39.3/net/ipv4/tcp_output.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/ipv4/tcp_output.c 2011-05-22 19:36:34.000000000 -0400 -@@ -2421,6 +2421,8 @@ struct sk_buff *tcp_make_synack(struct s - int mss; - int s_data_desired = 0; - -+ pax_track_stack(); -+ - if (cvp != NULL && cvp->s_data_constant && cvp->s_data_desired) - s_data_desired = cvp->s_data_desired; - skb = sock_wmalloc(sk, MAX_TCP_HEADER + 15 + s_data_desired, 1, GFP_ATOMIC); -diff -urNp linux-2.6.39.3/net/ipv4/tcp_probe.c linux-2.6.39.3/net/ipv4/tcp_probe.c ---- linux-2.6.39.3/net/ipv4/tcp_probe.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/ipv4/tcp_probe.c 2011-05-22 19:36:34.000000000 -0400 -@@ -202,7 +202,7 @@ static ssize_t tcpprobe_read(struct file - if (cnt + width >= len) - break; - -- if (copy_to_user(buf + cnt, tbuf, width)) -+ if (width > sizeof tbuf || copy_to_user(buf + cnt, tbuf, width)) - return -EFAULT; - cnt += width; - } -diff -urNp linux-2.6.39.3/net/ipv4/tcp_timer.c linux-2.6.39.3/net/ipv4/tcp_timer.c ---- linux-2.6.39.3/net/ipv4/tcp_timer.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/ipv4/tcp_timer.c 2011-05-22 19:41:42.000000000 -0400 -@@ -22,6 +22,10 @@ - #include <linux/gfp.h> - #include <net/tcp.h> - -+#ifdef CONFIG_GRKERNSEC_BLACKHOLE -+extern int grsec_lastack_retries; -+#endif -+ - int sysctl_tcp_syn_retries __read_mostly = TCP_SYN_RETRIES; - int sysctl_tcp_synack_retries __read_mostly = TCP_SYNACK_RETRIES; - int sysctl_tcp_keepalive_time __read_mostly = TCP_KEEPALIVE_TIME; -@@ -199,6 +203,13 @@ static int tcp_write_timeout(struct sock - } - } - -+#ifdef CONFIG_GRKERNSEC_BLACKHOLE -+ if ((sk->sk_state == TCP_LAST_ACK) && -+ (grsec_lastack_retries > 0) && -+ (grsec_lastack_retries < retry_until)) -+ retry_until = grsec_lastack_retries; -+#endif -+ - if (retransmits_timed_out(sk, retry_until, - syn_set ? 0 : icsk->icsk_user_timeout, syn_set)) { - /* Has it gone just too far? */ -diff -urNp linux-2.6.39.3/net/ipv4/udp.c linux-2.6.39.3/net/ipv4/udp.c ---- linux-2.6.39.3/net/ipv4/udp.c 2011-07-09 09:18:51.000000000 -0400 -+++ linux-2.6.39.3/net/ipv4/udp.c 2011-07-09 09:19:27.000000000 -0400 -@@ -86,6 +86,7 @@ - #include <linux/types.h> - #include <linux/fcntl.h> - #include <linux/module.h> -+#include <linux/security.h> - #include <linux/socket.h> - #include <linux/sockios.h> - #include <linux/igmp.h> -@@ -107,6 +108,10 @@ - #include <net/xfrm.h> - #include "udp_impl.h" - -+#ifdef CONFIG_GRKERNSEC_BLACKHOLE -+extern int grsec_enable_blackhole; -+#endif -+ - struct udp_table udp_table __read_mostly; - EXPORT_SYMBOL(udp_table); - -@@ -564,6 +569,9 @@ found: - return s; - } - -+extern int gr_search_udp_recvmsg(struct sock *sk, const struct sk_buff *skb); -+extern int gr_search_udp_sendmsg(struct sock *sk, struct sockaddr_in *addr); -+ - /* - * This routine is called by the ICMP module when it gets some - * sort of error condition. If err < 0 then the socket should -@@ -853,9 +861,18 @@ int udp_sendmsg(struct kiocb *iocb, stru - dport = usin->sin_port; - if (dport == 0) - return -EINVAL; -+ -+ err = gr_search_udp_sendmsg(sk, usin); -+ if (err) -+ return err; - } else { - if (sk->sk_state != TCP_ESTABLISHED) - return -EDESTADDRREQ; -+ -+ err = gr_search_udp_sendmsg(sk, NULL); -+ if (err) -+ return err; -+ - daddr = inet->inet_daddr; - dport = inet->inet_dport; - /* Open fast path for connected socket. -@@ -1090,7 +1107,7 @@ static unsigned int first_packet_length( - udp_lib_checksum_complete(skb)) { - UDP_INC_STATS_BH(sock_net(sk), UDP_MIB_INERRORS, - IS_UDPLITE(sk)); -- atomic_inc(&sk->sk_drops); -+ atomic_inc_unchecked(&sk->sk_drops); - __skb_unlink(skb, rcvq); - __skb_queue_tail(&list_kill, skb); - } -@@ -1176,6 +1193,10 @@ try_again: - if (!skb) - goto out; - -+ err = gr_search_udp_recvmsg(sk, skb); -+ if (err) -+ goto out_free; -+ - ulen = skb->len - sizeof(struct udphdr); - if (len > ulen) - len = ulen; -@@ -1475,7 +1496,7 @@ int udp_queue_rcv_skb(struct sock *sk, s - - drop: - UDP_INC_STATS_BH(sock_net(sk), UDP_MIB_INERRORS, is_udplite); -- atomic_inc(&sk->sk_drops); -+ atomic_inc_unchecked(&sk->sk_drops); - kfree_skb(skb); - return -1; - } -@@ -1494,7 +1515,7 @@ static void flush_stack(struct sock **st - skb1 = (i == final) ? skb : skb_clone(skb, GFP_ATOMIC); - - if (!skb1) { -- atomic_inc(&sk->sk_drops); -+ atomic_inc_unchecked(&sk->sk_drops); - UDP_INC_STATS_BH(sock_net(sk), UDP_MIB_RCVBUFERRORS, - IS_UDPLITE(sk)); - UDP_INC_STATS_BH(sock_net(sk), UDP_MIB_INERRORS, -@@ -1663,6 +1684,9 @@ int __udp4_lib_rcv(struct sk_buff *skb, - goto csum_error; - - UDP_INC_STATS_BH(net, UDP_MIB_NOPORTS, proto == IPPROTO_UDPLITE); -+#ifdef CONFIG_GRKERNSEC_BLACKHOLE -+ if (!grsec_enable_blackhole || (skb->dev->flags & IFF_LOOPBACK)) -+#endif - icmp_send(skb, ICMP_DEST_UNREACH, ICMP_PORT_UNREACH, 0); - - /* -@@ -2090,8 +2114,13 @@ static void udp4_format_sock(struct sock - sk_wmem_alloc_get(sp), - sk_rmem_alloc_get(sp), - 0, 0L, 0, sock_i_uid(sp), 0, sock_i_ino(sp), -- atomic_read(&sp->sk_refcnt), sp, -- atomic_read(&sp->sk_drops), len); -+ atomic_read(&sp->sk_refcnt), -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+ NULL, -+#else -+ sp, -+#endif -+ atomic_read_unchecked(&sp->sk_drops), len); - } - - int udp4_seq_show(struct seq_file *seq, void *v) -diff -urNp linux-2.6.39.3/net/ipv6/inet6_connection_sock.c linux-2.6.39.3/net/ipv6/inet6_connection_sock.c ---- linux-2.6.39.3/net/ipv6/inet6_connection_sock.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/ipv6/inet6_connection_sock.c 2011-05-22 19:36:34.000000000 -0400 -@@ -178,7 +178,7 @@ void __inet6_csk_dst_store(struct sock * - #ifdef CONFIG_XFRM - { - struct rt6_info *rt = (struct rt6_info *)dst; -- rt->rt6i_flow_cache_genid = atomic_read(&flow_cache_genid); -+ rt->rt6i_flow_cache_genid = atomic_read_unchecked(&flow_cache_genid); - } - #endif - } -@@ -193,7 +193,7 @@ struct dst_entry *__inet6_csk_dst_check( - #ifdef CONFIG_XFRM - if (dst) { - struct rt6_info *rt = (struct rt6_info *)dst; -- if (rt->rt6i_flow_cache_genid != atomic_read(&flow_cache_genid)) { -+ if (rt->rt6i_flow_cache_genid != atomic_read_unchecked(&flow_cache_genid)) { - __sk_dst_reset(sk); - dst = NULL; - } -diff -urNp linux-2.6.39.3/net/ipv6/ipv6_sockglue.c linux-2.6.39.3/net/ipv6/ipv6_sockglue.c ---- linux-2.6.39.3/net/ipv6/ipv6_sockglue.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/ipv6/ipv6_sockglue.c 2011-05-22 19:36:34.000000000 -0400 -@@ -129,6 +129,8 @@ static int do_ipv6_setsockopt(struct soc - int val, valbool; - int retv = -ENOPROTOOPT; - -+ pax_track_stack(); -+ - if (optval == NULL) - val=0; - else { -@@ -919,6 +921,8 @@ static int do_ipv6_getsockopt(struct soc - int len; - int val; - -+ pax_track_stack(); -+ - if (ip6_mroute_opt(optname)) - return ip6_mroute_getsockopt(sk, optname, optval, optlen); - -diff -urNp linux-2.6.39.3/net/ipv6/raw.c linux-2.6.39.3/net/ipv6/raw.c ---- linux-2.6.39.3/net/ipv6/raw.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/ipv6/raw.c 2011-05-22 19:41:42.000000000 -0400 -@@ -376,7 +376,7 @@ static inline int rawv6_rcv_skb(struct s - { - if ((raw6_sk(sk)->checksum || rcu_dereference_raw(sk->sk_filter)) && - skb_checksum_complete(skb)) { -- atomic_inc(&sk->sk_drops); -+ atomic_inc_unchecked(&sk->sk_drops); - kfree_skb(skb); - return NET_RX_DROP; - } -@@ -403,7 +403,7 @@ int rawv6_rcv(struct sock *sk, struct sk - struct raw6_sock *rp = raw6_sk(sk); - - if (!xfrm6_policy_check(sk, XFRM_POLICY_IN, skb)) { -- atomic_inc(&sk->sk_drops); -+ atomic_inc_unchecked(&sk->sk_drops); - kfree_skb(skb); - return NET_RX_DROP; - } -@@ -427,7 +427,7 @@ int rawv6_rcv(struct sock *sk, struct sk - - if (inet->hdrincl) { - if (skb_checksum_complete(skb)) { -- atomic_inc(&sk->sk_drops); -+ atomic_inc_unchecked(&sk->sk_drops); - kfree_skb(skb); - return NET_RX_DROP; - } -@@ -601,7 +601,7 @@ out: - return err; - } - --static int rawv6_send_hdrinc(struct sock *sk, void *from, int length, -+static int rawv6_send_hdrinc(struct sock *sk, void *from, unsigned int length, - struct flowi6 *fl6, struct dst_entry **dstp, - unsigned int flags) - { -@@ -742,6 +742,8 @@ static int rawv6_sendmsg(struct kiocb *i - u16 proto; - int err; - -+ pax_track_stack(); -+ - /* Rough check on arithmetic overflow, - better check is made in ip6_append_data(). - */ -@@ -909,12 +911,15 @@ do_confirm: - static int rawv6_seticmpfilter(struct sock *sk, int level, int optname, - char __user *optval, int optlen) - { -+ struct icmp6_filter filter; -+ - switch (optname) { - case ICMPV6_FILTER: - if (optlen > sizeof(struct icmp6_filter)) - optlen = sizeof(struct icmp6_filter); -- if (copy_from_user(&raw6_sk(sk)->filter, optval, optlen)) -+ if (copy_from_user(&filter, optval, optlen)) - return -EFAULT; -+ memcpy(&raw6_sk(sk)->filter, &filter, optlen); - return 0; - default: - return -ENOPROTOOPT; -@@ -926,6 +931,7 @@ static int rawv6_seticmpfilter(struct so - static int rawv6_geticmpfilter(struct sock *sk, int level, int optname, - char __user *optval, int __user *optlen) - { -+ struct icmp6_filter filter; - int len; - - switch (optname) { -@@ -938,7 +944,8 @@ static int rawv6_geticmpfilter(struct so - len = sizeof(struct icmp6_filter); - if (put_user(len, optlen)) - return -EFAULT; -- if (copy_to_user(optval, &raw6_sk(sk)->filter, len)) -+ memcpy(&filter, &raw6_sk(sk)->filter, len); -+ if (copy_to_user(optval, &filter, len)) - return -EFAULT; - return 0; - default: -@@ -1252,7 +1259,13 @@ static void raw6_sock_seq_show(struct se - 0, 0L, 0, - sock_i_uid(sp), 0, - sock_i_ino(sp), -- atomic_read(&sp->sk_refcnt), sp, atomic_read(&sp->sk_drops)); -+ atomic_read(&sp->sk_refcnt), -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+ NULL, -+#else -+ sp, -+#endif -+ atomic_read_unchecked(&sp->sk_drops)); - } - - static int raw6_seq_show(struct seq_file *seq, void *v) -diff -urNp linux-2.6.39.3/net/ipv6/tcp_ipv6.c linux-2.6.39.3/net/ipv6/tcp_ipv6.c ---- linux-2.6.39.3/net/ipv6/tcp_ipv6.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/ipv6/tcp_ipv6.c 2011-05-22 19:41:42.000000000 -0400 -@@ -92,6 +92,10 @@ static struct tcp_md5sig_key *tcp_v6_md5 - } - #endif - -+#ifdef CONFIG_GRKERNSEC_BLACKHOLE -+extern int grsec_enable_blackhole; -+#endif -+ - static void tcp_v6_hash(struct sock *sk) - { - if (sk->sk_state != TCP_CLOSE) { -@@ -1660,6 +1664,9 @@ static int tcp_v6_do_rcv(struct sock *sk - return 0; - - reset: -+#ifdef CONFIG_GRKERNSEC_BLACKHOLE -+ if (!grsec_enable_blackhole) -+#endif - tcp_v6_send_reset(sk, skb); - discard: - if (opt_skb) -@@ -1739,12 +1746,20 @@ static int tcp_v6_rcv(struct sk_buff *sk - TCP_SKB_CB(skb)->sacked = 0; - - sk = __inet6_lookup_skb(&tcp_hashinfo, skb, th->source, th->dest); -- if (!sk) -+ if (!sk) { -+#ifdef CONFIG_GRKERNSEC_BLACKHOLE -+ ret = 1; -+#endif - goto no_tcp_socket; -+ } - - process: -- if (sk->sk_state == TCP_TIME_WAIT) -+ if (sk->sk_state == TCP_TIME_WAIT) { -+#ifdef CONFIG_GRKERNSEC_BLACKHOLE -+ ret = 2; -+#endif - goto do_time_wait; -+ } - - if (hdr->hop_limit < inet6_sk(sk)->min_hopcount) { - NET_INC_STATS_BH(net, LINUX_MIB_TCPMINTTLDROP); -@@ -1792,6 +1807,10 @@ no_tcp_socket: - bad_packet: - TCP_INC_STATS_BH(net, TCP_MIB_INERRS); - } else { -+#ifdef CONFIG_GRKERNSEC_BLACKHOLE -+ if (!grsec_enable_blackhole || (ret == 1 && -+ (skb->dev->flags & IFF_LOOPBACK))) -+#endif - tcp_v6_send_reset(NULL, skb); - } - -@@ -2052,7 +2071,13 @@ static void get_openreq6(struct seq_file - uid, - 0, /* non standard timer */ - 0, /* open_requests have no inode */ -- 0, req); -+ 0, -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+ NULL -+#else -+ req -+#endif -+ ); - } - - static void get_tcp6_sock(struct seq_file *seq, struct sock *sp, int i) -@@ -2102,7 +2127,12 @@ static void get_tcp6_sock(struct seq_fil - sock_i_uid(sp), - icsk->icsk_probes_out, - sock_i_ino(sp), -- atomic_read(&sp->sk_refcnt), sp, -+ atomic_read(&sp->sk_refcnt), -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+ NULL, -+#else -+ sp, -+#endif - jiffies_to_clock_t(icsk->icsk_rto), - jiffies_to_clock_t(icsk->icsk_ack.ato), - (icsk->icsk_ack.quick << 1 ) | icsk->icsk_ack.pingpong, -@@ -2137,7 +2167,13 @@ static void get_timewait6_sock(struct se - dest->s6_addr32[2], dest->s6_addr32[3], destp, - tw->tw_substate, 0, 0, - 3, jiffies_to_clock_t(ttd), 0, 0, 0, 0, -- atomic_read(&tw->tw_refcnt), tw); -+ atomic_read(&tw->tw_refcnt), -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+ NULL -+#else -+ tw -+#endif -+ ); - } - - static int tcp6_seq_show(struct seq_file *seq, void *v) -diff -urNp linux-2.6.39.3/net/ipv6/udp.c linux-2.6.39.3/net/ipv6/udp.c ---- linux-2.6.39.3/net/ipv6/udp.c 2011-07-09 09:18:51.000000000 -0400 -+++ linux-2.6.39.3/net/ipv6/udp.c 2011-07-09 09:19:27.000000000 -0400 -@@ -50,6 +50,10 @@ - #include <linux/seq_file.h> - #include "udp_impl.h" - -+#ifdef CONFIG_GRKERNSEC_BLACKHOLE -+extern int grsec_enable_blackhole; -+#endif -+ - int ipv6_rcv_saddr_equal(const struct sock *sk, const struct sock *sk2) - { - const struct in6_addr *sk_rcv_saddr6 = &inet6_sk(sk)->rcv_saddr; -@@ -548,7 +552,7 @@ int udpv6_queue_rcv_skb(struct sock * sk - - return 0; - drop: -- atomic_inc(&sk->sk_drops); -+ atomic_inc_unchecked(&sk->sk_drops); - drop_no_sk_drops_inc: - UDP6_INC_STATS_BH(sock_net(sk), UDP_MIB_INERRORS, is_udplite); - kfree_skb(skb); -@@ -624,7 +628,7 @@ static void flush_stack(struct sock **st - continue; - } - drop: -- atomic_inc(&sk->sk_drops); -+ atomic_inc_unchecked(&sk->sk_drops); - UDP6_INC_STATS_BH(sock_net(sk), - UDP_MIB_RCVBUFERRORS, IS_UDPLITE(sk)); - UDP6_INC_STATS_BH(sock_net(sk), -@@ -779,6 +783,9 @@ int __udp6_lib_rcv(struct sk_buff *skb, - UDP6_INC_STATS_BH(net, UDP_MIB_NOPORTS, - proto == IPPROTO_UDPLITE); - -+#ifdef CONFIG_GRKERNSEC_BLACKHOLE -+ if (!grsec_enable_blackhole || (skb->dev->flags & IFF_LOOPBACK)) -+#endif - icmpv6_send(skb, ICMPV6_DEST_UNREACH, ICMPV6_PORT_UNREACH, 0); - - kfree_skb(skb); -@@ -795,7 +802,7 @@ int __udp6_lib_rcv(struct sk_buff *skb, - if (!sock_owned_by_user(sk)) - udpv6_queue_rcv_skb(sk, skb); - else if (sk_add_backlog(sk, skb)) { -- atomic_inc(&sk->sk_drops); -+ atomic_inc_unchecked(&sk->sk_drops); - bh_unlock_sock(sk); - sock_put(sk); - goto discard; -@@ -1406,8 +1413,13 @@ static void udp6_sock_seq_show(struct se - 0, 0L, 0, - sock_i_uid(sp), 0, - sock_i_ino(sp), -- atomic_read(&sp->sk_refcnt), sp, -- atomic_read(&sp->sk_drops)); -+ atomic_read(&sp->sk_refcnt), -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+ NULL, -+#else -+ sp, -+#endif -+ atomic_read_unchecked(&sp->sk_drops)); - } - - int udp6_seq_show(struct seq_file *seq, void *v) -diff -urNp linux-2.6.39.3/net/irda/ircomm/ircomm_tty.c linux-2.6.39.3/net/irda/ircomm/ircomm_tty.c ---- linux-2.6.39.3/net/irda/ircomm/ircomm_tty.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/irda/ircomm/ircomm_tty.c 2011-05-22 19:36:34.000000000 -0400 -@@ -281,16 +281,16 @@ static int ircomm_tty_block_til_ready(st - add_wait_queue(&self->open_wait, &wait); - - IRDA_DEBUG(2, "%s(%d):block_til_ready before block on %s open_count=%d\n", -- __FILE__,__LINE__, tty->driver->name, self->open_count ); -+ __FILE__,__LINE__, tty->driver->name, local_read(&self->open_count) ); - - /* As far as I can see, we protect open_count - Jean II */ - spin_lock_irqsave(&self->spinlock, flags); - if (!tty_hung_up_p(filp)) { - extra_count = 1; -- self->open_count--; -+ local_dec(&self->open_count); - } - spin_unlock_irqrestore(&self->spinlock, flags); -- self->blocked_open++; -+ local_inc(&self->blocked_open); - - while (1) { - if (tty->termios->c_cflag & CBAUD) { -@@ -330,7 +330,7 @@ static int ircomm_tty_block_til_ready(st - } - - IRDA_DEBUG(1, "%s(%d):block_til_ready blocking on %s open_count=%d\n", -- __FILE__,__LINE__, tty->driver->name, self->open_count ); -+ __FILE__,__LINE__, tty->driver->name, local_read(&self->open_count) ); - - schedule(); - } -@@ -341,13 +341,13 @@ static int ircomm_tty_block_til_ready(st - if (extra_count) { - /* ++ is not atomic, so this should be protected - Jean II */ - spin_lock_irqsave(&self->spinlock, flags); -- self->open_count++; -+ local_inc(&self->open_count); - spin_unlock_irqrestore(&self->spinlock, flags); - } -- self->blocked_open--; -+ local_dec(&self->blocked_open); - - IRDA_DEBUG(1, "%s(%d):block_til_ready after blocking on %s open_count=%d\n", -- __FILE__,__LINE__, tty->driver->name, self->open_count); -+ __FILE__,__LINE__, tty->driver->name, local_read(&self->open_count)); - - if (!retval) - self->flags |= ASYNC_NORMAL_ACTIVE; -@@ -416,14 +416,14 @@ static int ircomm_tty_open(struct tty_st - } - /* ++ is not atomic, so this should be protected - Jean II */ - spin_lock_irqsave(&self->spinlock, flags); -- self->open_count++; -+ local_inc(&self->open_count); - - tty->driver_data = self; - self->tty = tty; - spin_unlock_irqrestore(&self->spinlock, flags); - - IRDA_DEBUG(1, "%s(), %s%d, count = %d\n", __func__ , tty->driver->name, -- self->line, self->open_count); -+ self->line, local_read(&self->open_count)); - - /* Not really used by us, but lets do it anyway */ - self->tty->low_latency = (self->flags & ASYNC_LOW_LATENCY) ? 1 : 0; -@@ -509,7 +509,7 @@ static void ircomm_tty_close(struct tty_ - return; - } - -- if ((tty->count == 1) && (self->open_count != 1)) { -+ if ((tty->count == 1) && (local_read(&self->open_count) != 1)) { - /* - * Uh, oh. tty->count is 1, which means that the tty - * structure will be freed. state->count should always -@@ -519,16 +519,16 @@ static void ircomm_tty_close(struct tty_ - */ - IRDA_DEBUG(0, "%s(), bad serial port count; " - "tty->count is 1, state->count is %d\n", __func__ , -- self->open_count); -- self->open_count = 1; -+ local_read(&self->open_count)); -+ local_set(&self->open_count, 1); - } - -- if (--self->open_count < 0) { -+ if (local_dec_return(&self->open_count) < 0) { - IRDA_ERROR("%s(), bad serial port count for ttys%d: %d\n", -- __func__, self->line, self->open_count); -- self->open_count = 0; -+ __func__, self->line, local_read(&self->open_count)); -+ local_set(&self->open_count, 0); - } -- if (self->open_count) { -+ if (local_read(&self->open_count)) { - spin_unlock_irqrestore(&self->spinlock, flags); - - IRDA_DEBUG(0, "%s(), open count > 0\n", __func__ ); -@@ -560,7 +560,7 @@ static void ircomm_tty_close(struct tty_ - tty->closing = 0; - self->tty = NULL; - -- if (self->blocked_open) { -+ if (local_read(&self->blocked_open)) { - if (self->close_delay) - schedule_timeout_interruptible(self->close_delay); - wake_up_interruptible(&self->open_wait); -@@ -1012,7 +1012,7 @@ static void ircomm_tty_hangup(struct tty - spin_lock_irqsave(&self->spinlock, flags); - self->flags &= ~ASYNC_NORMAL_ACTIVE; - self->tty = NULL; -- self->open_count = 0; -+ local_set(&self->open_count, 0); - spin_unlock_irqrestore(&self->spinlock, flags); - - wake_up_interruptible(&self->open_wait); -@@ -1364,7 +1364,7 @@ static void ircomm_tty_line_info(struct - seq_putc(m, '\n'); - - seq_printf(m, "Role: %s\n", self->client ? "client" : "server"); -- seq_printf(m, "Open count: %d\n", self->open_count); -+ seq_printf(m, "Open count: %d\n", local_read(&self->open_count)); - seq_printf(m, "Max data size: %d\n", self->max_data_size); - seq_printf(m, "Max header size: %d\n", self->max_header_size); - -diff -urNp linux-2.6.39.3/net/iucv/af_iucv.c linux-2.6.39.3/net/iucv/af_iucv.c ---- linux-2.6.39.3/net/iucv/af_iucv.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/iucv/af_iucv.c 2011-05-22 19:36:34.000000000 -0400 -@@ -653,10 +653,10 @@ static int iucv_sock_autobind(struct soc - - write_lock_bh(&iucv_sk_list.lock); - -- sprintf(name, "%08x", atomic_inc_return(&iucv_sk_list.autobind_name)); -+ sprintf(name, "%08x", atomic_inc_return_unchecked(&iucv_sk_list.autobind_name)); - while (__iucv_get_sock_by_name(name)) { - sprintf(name, "%08x", -- atomic_inc_return(&iucv_sk_list.autobind_name)); -+ atomic_inc_return_unchecked(&iucv_sk_list.autobind_name)); - } - - write_unlock_bh(&iucv_sk_list.lock); -diff -urNp linux-2.6.39.3/net/key/af_key.c linux-2.6.39.3/net/key/af_key.c ---- linux-2.6.39.3/net/key/af_key.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/key/af_key.c 2011-05-22 19:41:42.000000000 -0400 -@@ -2481,6 +2481,8 @@ static int pfkey_migrate(struct sock *sk - struct xfrm_migrate m[XFRM_MAX_DEPTH]; - struct xfrm_kmaddress k; - -+ pax_track_stack(); -+ - if (!present_and_same_family(ext_hdrs[SADB_EXT_ADDRESS_SRC - 1], - ext_hdrs[SADB_EXT_ADDRESS_DST - 1]) || - !ext_hdrs[SADB_X_EXT_POLICY - 1]) { -@@ -3016,10 +3018,10 @@ static int pfkey_send_policy_notify(stru - static u32 get_acqseq(void) - { - u32 res; -- static atomic_t acqseq; -+ static atomic_unchecked_t acqseq; - - do { -- res = atomic_inc_return(&acqseq); -+ res = atomic_inc_return_unchecked(&acqseq); - } while (!res); - return res; - } -@@ -3657,7 +3659,11 @@ static int pfkey_seq_show(struct seq_fil - seq_printf(f ,"sk RefCnt Rmem Wmem User Inode\n"); - else - seq_printf(f ,"%p %-6d %-6u %-6u %-6u %-6lu\n", -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+ NULL, -+#else - s, -+#endif - atomic_read(&s->sk_refcnt), - sk_rmem_alloc_get(s), - sk_wmem_alloc_get(s), -diff -urNp linux-2.6.39.3/net/l2tp/l2tp_ip.c linux-2.6.39.3/net/l2tp/l2tp_ip.c ---- linux-2.6.39.3/net/l2tp/l2tp_ip.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/l2tp/l2tp_ip.c 2011-05-22 19:36:34.000000000 -0400 -@@ -625,7 +625,7 @@ static struct inet_protosw l2tp_ip_proto - .no_check = 0, - }; - --static struct net_protocol l2tp_ip_protocol __read_mostly = { -+static const struct net_protocol l2tp_ip_protocol = { - .handler = l2tp_ip_recv, - }; - -diff -urNp linux-2.6.39.3/net/lapb/lapb_iface.c linux-2.6.39.3/net/lapb/lapb_iface.c ---- linux-2.6.39.3/net/lapb/lapb_iface.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/lapb/lapb_iface.c 2011-05-22 19:36:34.000000000 -0400 -@@ -138,8 +138,7 @@ static struct lapb_cb *lapb_create_cb(vo - out: - return lapb; - } -- --int lapb_register(struct net_device *dev, struct lapb_register_struct *callbacks) -+int lapb_register(struct net_device *dev, const struct lapb_register_struct *callbacks) - { - struct lapb_cb *lapb; - int rc = LAPB_BADTOKEN; -diff -urNp linux-2.6.39.3/net/mac80211/cfg.c linux-2.6.39.3/net/mac80211/cfg.c ---- linux-2.6.39.3/net/mac80211/cfg.c 2011-06-03 00:04:14.000000000 -0400 -+++ linux-2.6.39.3/net/mac80211/cfg.c 2011-06-03 00:32:08.000000000 -0400 -@@ -2031,7 +2031,7 @@ static void ieee80211_get_ringparam(stru - drv_get_ringparam(local, tx, tx_max, rx, rx_max); - } - --struct cfg80211_ops mac80211_config_ops = { -+const struct cfg80211_ops mac80211_config_ops = { - .add_virtual_intf = ieee80211_add_iface, - .del_virtual_intf = ieee80211_del_iface, - .change_virtual_intf = ieee80211_change_iface, -diff -urNp linux-2.6.39.3/net/mac80211/cfg.h linux-2.6.39.3/net/mac80211/cfg.h ---- linux-2.6.39.3/net/mac80211/cfg.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/mac80211/cfg.h 2011-05-22 19:36:34.000000000 -0400 -@@ -4,6 +4,6 @@ - #ifndef __CFG_H - #define __CFG_H - --extern struct cfg80211_ops mac80211_config_ops; -+extern const struct cfg80211_ops mac80211_config_ops; - - #endif /* __CFG_H */ -diff -urNp linux-2.6.39.3/net/mac80211/debugfs_sta.c linux-2.6.39.3/net/mac80211/debugfs_sta.c ---- linux-2.6.39.3/net/mac80211/debugfs_sta.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/mac80211/debugfs_sta.c 2011-05-22 19:36:34.000000000 -0400 -@@ -115,6 +115,8 @@ static ssize_t sta_agg_status_read(struc - struct tid_ampdu_rx *tid_rx; - struct tid_ampdu_tx *tid_tx; - -+ pax_track_stack(); -+ - rcu_read_lock(); - - p += scnprintf(p, sizeof(buf) + buf - p, "next dialog_token: %#02x\n", -@@ -215,6 +217,8 @@ static ssize_t sta_ht_capa_read(struct f - struct sta_info *sta = file->private_data; - struct ieee80211_sta_ht_cap *htc = &sta->sta.ht_cap; - -+ pax_track_stack(); -+ - p += scnprintf(p, sizeof(buf) + buf - p, "ht %ssupported\n", - htc->ht_supported ? "" : "not "); - if (htc->ht_supported) { -diff -urNp linux-2.6.39.3/net/mac80211/ieee80211_i.h linux-2.6.39.3/net/mac80211/ieee80211_i.h ---- linux-2.6.39.3/net/mac80211/ieee80211_i.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/mac80211/ieee80211_i.h 2011-05-22 19:36:34.000000000 -0400 -@@ -27,6 +27,7 @@ - #include <net/ieee80211_radiotap.h> - #include <net/cfg80211.h> - #include <net/mac80211.h> -+#include <asm/local.h> - #include "key.h" - #include "sta_info.h" - -@@ -714,7 +715,7 @@ struct ieee80211_local { - /* also used to protect ampdu_ac_queue and amdpu_ac_stop_refcnt */ - spinlock_t queue_stop_reason_lock; - -- int open_count; -+ local_t open_count; - int monitors, cooked_mntrs; - /* number of interfaces with corresponding FIF_ flags */ - int fif_fcsfail, fif_plcpfail, fif_control, fif_other_bss, fif_pspoll, -diff -urNp linux-2.6.39.3/net/mac80211/iface.c linux-2.6.39.3/net/mac80211/iface.c ---- linux-2.6.39.3/net/mac80211/iface.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/mac80211/iface.c 2011-05-22 19:36:34.000000000 -0400 -@@ -211,7 +211,7 @@ static int ieee80211_do_open(struct net_ - break; - } - -- if (local->open_count == 0) { -+ if (local_read(&local->open_count) == 0) { - res = drv_start(local); - if (res) - goto err_del_bss; -@@ -235,7 +235,7 @@ static int ieee80211_do_open(struct net_ - memcpy(dev->perm_addr, dev->dev_addr, ETH_ALEN); - - if (!is_valid_ether_addr(dev->dev_addr)) { -- if (!local->open_count) -+ if (!local_read(&local->open_count)) - drv_stop(local); - return -EADDRNOTAVAIL; - } -@@ -327,7 +327,7 @@ static int ieee80211_do_open(struct net_ - mutex_unlock(&local->mtx); - - if (coming_up) -- local->open_count++; -+ local_inc(&local->open_count); - - if (hw_reconf_flags) { - ieee80211_hw_config(local, hw_reconf_flags); -@@ -347,7 +347,7 @@ static int ieee80211_do_open(struct net_ - err_del_interface: - drv_remove_interface(local, &sdata->vif); - err_stop: -- if (!local->open_count) -+ if (!local_read(&local->open_count)) - drv_stop(local); - err_del_bss: - sdata->bss = NULL; -@@ -474,7 +474,7 @@ static void ieee80211_do_stop(struct iee - } - - if (going_down) -- local->open_count--; -+ local_dec(&local->open_count); - - switch (sdata->vif.type) { - case NL80211_IFTYPE_AP_VLAN: -@@ -533,7 +533,7 @@ static void ieee80211_do_stop(struct iee - - ieee80211_recalc_ps(local, -1); - -- if (local->open_count == 0) { -+ if (local_read(&local->open_count) == 0) { - if (local->ops->napi_poll) - napi_disable(&local->napi); - ieee80211_clear_tx_pending(local); -diff -urNp linux-2.6.39.3/net/mac80211/main.c linux-2.6.39.3/net/mac80211/main.c ---- linux-2.6.39.3/net/mac80211/main.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/mac80211/main.c 2011-05-22 19:36:34.000000000 -0400 -@@ -215,7 +215,7 @@ int ieee80211_hw_config(struct ieee80211 - local->hw.conf.power_level = power; - } - -- if (changed && local->open_count) { -+ if (changed && local_read(&local->open_count)) { - ret = drv_config(local, changed); - /* - * Goal: -diff -urNp linux-2.6.39.3/net/mac80211/mlme.c linux-2.6.39.3/net/mac80211/mlme.c ---- linux-2.6.39.3/net/mac80211/mlme.c 2011-06-03 00:04:14.000000000 -0400 -+++ linux-2.6.39.3/net/mac80211/mlme.c 2011-06-03 00:32:08.000000000 -0400 -@@ -1431,6 +1431,8 @@ static bool ieee80211_assoc_success(stru - bool have_higher_than_11mbit = false; - u16 ap_ht_cap_flags; - -+ pax_track_stack(); -+ - /* AssocResp and ReassocResp have identical structure */ - - aid = le16_to_cpu(mgmt->u.assoc_resp.aid); -diff -urNp linux-2.6.39.3/net/mac80211/pm.c linux-2.6.39.3/net/mac80211/pm.c ---- linux-2.6.39.3/net/mac80211/pm.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/mac80211/pm.c 2011-05-22 19:36:34.000000000 -0400 -@@ -95,7 +95,7 @@ int __ieee80211_suspend(struct ieee80211 - } - - /* stop hardware - this must stop RX */ -- if (local->open_count) -+ if (local_read(&local->open_count)) - ieee80211_stop_device(local); - - local->suspended = true; -diff -urNp linux-2.6.39.3/net/mac80211/rate.c linux-2.6.39.3/net/mac80211/rate.c ---- linux-2.6.39.3/net/mac80211/rate.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/mac80211/rate.c 2011-05-22 19:36:34.000000000 -0400 -@@ -371,7 +371,7 @@ int ieee80211_init_rate_ctrl_alg(struct - - ASSERT_RTNL(); - -- if (local->open_count) -+ if (local_read(&local->open_count)) - return -EBUSY; - - if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) { -diff -urNp linux-2.6.39.3/net/mac80211/rc80211_pid_debugfs.c linux-2.6.39.3/net/mac80211/rc80211_pid_debugfs.c ---- linux-2.6.39.3/net/mac80211/rc80211_pid_debugfs.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/mac80211/rc80211_pid_debugfs.c 2011-05-22 19:36:34.000000000 -0400 -@@ -192,7 +192,7 @@ static ssize_t rate_control_pid_events_r - - spin_unlock_irqrestore(&events->lock, status); - -- if (copy_to_user(buf, pb, p)) -+ if (p > sizeof(pb) || copy_to_user(buf, pb, p)) - return -EFAULT; - - return p; -diff -urNp linux-2.6.39.3/net/mac80211/util.c linux-2.6.39.3/net/mac80211/util.c ---- linux-2.6.39.3/net/mac80211/util.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/mac80211/util.c 2011-05-22 19:36:34.000000000 -0400 -@@ -1129,7 +1129,7 @@ int ieee80211_reconfig(struct ieee80211_ - local->resuming = true; - - /* restart hardware */ -- if (local->open_count) { -+ if (local_read(&local->open_count)) { - /* - * Upon resume hardware can sometimes be goofy due to - * various platform / driver / bus issues, so restarting -diff -urNp linux-2.6.39.3/net/netfilter/ipvs/ip_vs_conn.c linux-2.6.39.3/net/netfilter/ipvs/ip_vs_conn.c ---- linux-2.6.39.3/net/netfilter/ipvs/ip_vs_conn.c 2011-07-09 09:18:51.000000000 -0400 -+++ linux-2.6.39.3/net/netfilter/ipvs/ip_vs_conn.c 2011-07-09 09:19:27.000000000 -0400 -@@ -556,7 +556,7 @@ ip_vs_bind_dest(struct ip_vs_conn *cp, s - /* Increase the refcnt counter of the dest */ - atomic_inc(&dest->refcnt); - -- conn_flags = atomic_read(&dest->conn_flags); -+ conn_flags = atomic_read_unchecked(&dest->conn_flags); - if (cp->protocol != IPPROTO_UDP) - conn_flags &= ~IP_VS_CONN_F_ONE_PACKET; - /* Bind with the destination and its corresponding transmitter */ -@@ -869,7 +869,7 @@ ip_vs_conn_new(const struct ip_vs_conn_p - atomic_set(&cp->refcnt, 1); - - atomic_set(&cp->n_control, 0); -- atomic_set(&cp->in_pkts, 0); -+ atomic_set_unchecked(&cp->in_pkts, 0); - - atomic_inc(&ipvs->conn_count); - if (flags & IP_VS_CONN_F_NO_CPORT) -@@ -1149,7 +1149,7 @@ static inline int todrop_entry(struct ip - - /* Don't drop the entry if its number of incoming packets is not - located in [0, 8] */ -- i = atomic_read(&cp->in_pkts); -+ i = atomic_read_unchecked(&cp->in_pkts); - if (i > 8 || i < 0) return 0; - - if (!todrop_rate[i]) return 0; -diff -urNp linux-2.6.39.3/net/netfilter/ipvs/ip_vs_core.c linux-2.6.39.3/net/netfilter/ipvs/ip_vs_core.c ---- linux-2.6.39.3/net/netfilter/ipvs/ip_vs_core.c 2011-07-09 09:18:51.000000000 -0400 -+++ linux-2.6.39.3/net/netfilter/ipvs/ip_vs_core.c 2011-07-09 09:19:27.000000000 -0400 -@@ -563,7 +563,7 @@ int ip_vs_leave(struct ip_vs_service *sv - ret = cp->packet_xmit(skb, cp, pd->pp); - /* do not touch skb anymore */ - -- atomic_inc(&cp->in_pkts); -+ atomic_inc_unchecked(&cp->in_pkts); - ip_vs_conn_put(cp); - return ret; - } -@@ -1633,7 +1633,7 @@ ip_vs_in(unsigned int hooknum, struct sk - if (cp->flags & IP_VS_CONN_F_ONE_PACKET) - pkts = sysctl_sync_threshold(ipvs); - else -- pkts = atomic_add_return(1, &cp->in_pkts); -+ pkts = atomic_add_return_unchecked(1, &cp->in_pkts); - - if ((ipvs->sync_state & IP_VS_STATE_MASTER) && - cp->protocol == IPPROTO_SCTP) { -diff -urNp linux-2.6.39.3/net/netfilter/ipvs/ip_vs_ctl.c linux-2.6.39.3/net/netfilter/ipvs/ip_vs_ctl.c ---- linux-2.6.39.3/net/netfilter/ipvs/ip_vs_ctl.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/netfilter/ipvs/ip_vs_ctl.c 2011-05-22 19:36:34.000000000 -0400 -@@ -782,7 +782,7 @@ __ip_vs_update_dest(struct ip_vs_service - ip_vs_rs_hash(ipvs, dest); - write_unlock_bh(&ipvs->rs_lock); - } -- atomic_set(&dest->conn_flags, conn_flags); -+ atomic_set_unchecked(&dest->conn_flags, conn_flags); - - /* bind the service */ - if (!dest->svc) { -@@ -2027,7 +2027,7 @@ static int ip_vs_info_seq_show(struct se - " %-7s %-6d %-10d %-10d\n", - &dest->addr.in6, - ntohs(dest->port), -- ip_vs_fwd_name(atomic_read(&dest->conn_flags)), -+ ip_vs_fwd_name(atomic_read_unchecked(&dest->conn_flags)), - atomic_read(&dest->weight), - atomic_read(&dest->activeconns), - atomic_read(&dest->inactconns)); -@@ -2038,7 +2038,7 @@ static int ip_vs_info_seq_show(struct se - "%-7s %-6d %-10d %-10d\n", - ntohl(dest->addr.ip), - ntohs(dest->port), -- ip_vs_fwd_name(atomic_read(&dest->conn_flags)), -+ ip_vs_fwd_name(atomic_read_unchecked(&dest->conn_flags)), - atomic_read(&dest->weight), - atomic_read(&dest->activeconns), - atomic_read(&dest->inactconns)); -@@ -2287,6 +2287,8 @@ do_ip_vs_set_ctl(struct sock *sk, int cm - struct ip_vs_dest_user *udest_compat; - struct ip_vs_dest_user_kern udest; - -+ pax_track_stack(); -+ - if (!capable(CAP_NET_ADMIN)) - return -EPERM; - -@@ -2501,7 +2503,7 @@ __ip_vs_get_dest_entries(struct net *net - - entry.addr = dest->addr.ip; - entry.port = dest->port; -- entry.conn_flags = atomic_read(&dest->conn_flags); -+ entry.conn_flags = atomic_read_unchecked(&dest->conn_flags); - entry.weight = atomic_read(&dest->weight); - entry.u_threshold = dest->u_threshold; - entry.l_threshold = dest->l_threshold; -@@ -3029,7 +3031,7 @@ static int ip_vs_genl_fill_dest(struct s - NLA_PUT_U16(skb, IPVS_DEST_ATTR_PORT, dest->port); - - NLA_PUT_U32(skb, IPVS_DEST_ATTR_FWD_METHOD, -- atomic_read(&dest->conn_flags) & IP_VS_CONN_F_FWD_MASK); -+ atomic_read_unchecked(&dest->conn_flags) & IP_VS_CONN_F_FWD_MASK); - NLA_PUT_U32(skb, IPVS_DEST_ATTR_WEIGHT, atomic_read(&dest->weight)); - NLA_PUT_U32(skb, IPVS_DEST_ATTR_U_THRESH, dest->u_threshold); - NLA_PUT_U32(skb, IPVS_DEST_ATTR_L_THRESH, dest->l_threshold); -diff -urNp linux-2.6.39.3/net/netfilter/ipvs/ip_vs_sync.c linux-2.6.39.3/net/netfilter/ipvs/ip_vs_sync.c ---- linux-2.6.39.3/net/netfilter/ipvs/ip_vs_sync.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/netfilter/ipvs/ip_vs_sync.c 2011-05-22 19:36:34.000000000 -0400 -@@ -648,7 +648,7 @@ control: - * i.e only increment in_pkts for Templates. - */ - if (cp->flags & IP_VS_CONN_F_TEMPLATE) { -- int pkts = atomic_add_return(1, &cp->in_pkts); -+ int pkts = atomic_add_return_unchecked(1, &cp->in_pkts); - - if (pkts % sysctl_sync_period(ipvs) != 1) - return; -@@ -794,7 +794,7 @@ static void ip_vs_proc_conn(struct net * - - if (opt) - memcpy(&cp->in_seq, opt, sizeof(*opt)); -- atomic_set(&cp->in_pkts, sysctl_sync_threshold(ipvs)); -+ atomic_set_unchecked(&cp->in_pkts, sysctl_sync_threshold(ipvs)); - cp->state = state; - cp->old_state = cp->state; - /* -diff -urNp linux-2.6.39.3/net/netfilter/ipvs/ip_vs_xmit.c linux-2.6.39.3/net/netfilter/ipvs/ip_vs_xmit.c ---- linux-2.6.39.3/net/netfilter/ipvs/ip_vs_xmit.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/netfilter/ipvs/ip_vs_xmit.c 2011-05-22 19:36:34.000000000 -0400 -@@ -1127,7 +1127,7 @@ ip_vs_icmp_xmit(struct sk_buff *skb, str - else - rc = NF_ACCEPT; - /* do not touch skb anymore */ -- atomic_inc(&cp->in_pkts); -+ atomic_inc_unchecked(&cp->in_pkts); - goto out; - } - -@@ -1245,7 +1245,7 @@ ip_vs_icmp_xmit_v6(struct sk_buff *skb, - else - rc = NF_ACCEPT; - /* do not touch skb anymore */ -- atomic_inc(&cp->in_pkts); -+ atomic_inc_unchecked(&cp->in_pkts); - goto out; - } - -diff -urNp linux-2.6.39.3/net/netfilter/Kconfig linux-2.6.39.3/net/netfilter/Kconfig ---- linux-2.6.39.3/net/netfilter/Kconfig 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/netfilter/Kconfig 2011-05-22 19:41:42.000000000 -0400 -@@ -781,6 +781,16 @@ config NETFILTER_XT_MATCH_ESP - - To compile it as a module, choose M here. If unsure, say N. - -+config NETFILTER_XT_MATCH_GRADM -+ tristate '"gradm" match support' -+ depends on NETFILTER_XTABLES && NETFILTER_ADVANCED -+ depends on GRKERNSEC && !GRKERNSEC_NO_RBAC -+ ---help--- -+ The gradm match allows to match on grsecurity RBAC being enabled. -+ It is useful when iptables rules are applied early on bootup to -+ prevent connections to the machine (except from a trusted host) -+ while the RBAC system is disabled. -+ - config NETFILTER_XT_MATCH_HASHLIMIT - tristate '"hashlimit" match support' - depends on (IP6_NF_IPTABLES || IP6_NF_IPTABLES=n) -diff -urNp linux-2.6.39.3/net/netfilter/Makefile linux-2.6.39.3/net/netfilter/Makefile ---- linux-2.6.39.3/net/netfilter/Makefile 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/netfilter/Makefile 2011-05-22 20:40:16.000000000 -0400 -@@ -81,6 +81,7 @@ obj-$(CONFIG_NETFILTER_XT_MATCH_DCCP) += - obj-$(CONFIG_NETFILTER_XT_MATCH_DEVGROUP) += xt_devgroup.o - obj-$(CONFIG_NETFILTER_XT_MATCH_DSCP) += xt_dscp.o - obj-$(CONFIG_NETFILTER_XT_MATCH_ESP) += xt_esp.o -+obj-$(CONFIG_NETFILTER_XT_MATCH_GRADM) += xt_gradm.o - obj-$(CONFIG_NETFILTER_XT_MATCH_HASHLIMIT) += xt_hashlimit.o - obj-$(CONFIG_NETFILTER_XT_MATCH_HELPER) += xt_helper.o - obj-$(CONFIG_NETFILTER_XT_MATCH_HL) += xt_hl.o -diff -urNp linux-2.6.39.3/net/netfilter/nfnetlink_log.c linux-2.6.39.3/net/netfilter/nfnetlink_log.c ---- linux-2.6.39.3/net/netfilter/nfnetlink_log.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/netfilter/nfnetlink_log.c 2011-05-22 19:36:35.000000000 -0400 -@@ -70,7 +70,7 @@ struct nfulnl_instance { - }; - - static DEFINE_SPINLOCK(instances_lock); --static atomic_t global_seq; -+static atomic_unchecked_t global_seq; - - #define INSTANCE_BUCKETS 16 - static struct hlist_head instance_table[INSTANCE_BUCKETS]; -@@ -506,7 +506,7 @@ __build_packet_message(struct nfulnl_ins - /* global sequence number */ - if (inst->flags & NFULNL_CFG_F_SEQ_GLOBAL) - NLA_PUT_BE32(inst->skb, NFULA_SEQ_GLOBAL, -- htonl(atomic_inc_return(&global_seq))); -+ htonl(atomic_inc_return_unchecked(&global_seq))); - - if (data_len) { - struct nlattr *nla; -diff -urNp linux-2.6.39.3/net/netfilter/nfnetlink_queue.c linux-2.6.39.3/net/netfilter/nfnetlink_queue.c ---- linux-2.6.39.3/net/netfilter/nfnetlink_queue.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/netfilter/nfnetlink_queue.c 2011-05-22 19:36:35.000000000 -0400 -@@ -58,7 +58,7 @@ struct nfqnl_instance { - */ - spinlock_t lock; - unsigned int queue_total; -- atomic_t id_sequence; /* 'sequence' of pkt ids */ -+ atomic_unchecked_t id_sequence; /* 'sequence' of pkt ids */ - struct list_head queue_list; /* packets in queue */ - }; - -@@ -272,7 +272,7 @@ nfqnl_build_packet_message(struct nfqnl_ - nfmsg->version = NFNETLINK_V0; - nfmsg->res_id = htons(queue->queue_num); - -- entry->id = atomic_inc_return(&queue->id_sequence); -+ entry->id = atomic_inc_return_unchecked(&queue->id_sequence); - pmsg.packet_id = htonl(entry->id); - pmsg.hw_protocol = entskb->protocol; - pmsg.hook = entry->hook; -@@ -869,7 +869,7 @@ static int seq_show(struct seq_file *s, - inst->peer_pid, inst->queue_total, - inst->copy_mode, inst->copy_range, - inst->queue_dropped, inst->queue_user_dropped, -- atomic_read(&inst->id_sequence), 1); -+ atomic_read_unchecked(&inst->id_sequence), 1); - } - - static const struct seq_operations nfqnl_seq_ops = { -diff -urNp linux-2.6.39.3/net/netfilter/xt_gradm.c linux-2.6.39.3/net/netfilter/xt_gradm.c ---- linux-2.6.39.3/net/netfilter/xt_gradm.c 1969-12-31 19:00:00.000000000 -0500 -+++ linux-2.6.39.3/net/netfilter/xt_gradm.c 2011-05-22 19:41:42.000000000 -0400 -@@ -0,0 +1,51 @@ -+/* -+ * gradm match for netfilter -+ * Copyright © Zbigniew Krzystolik, 2010 -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License; either version -+ * 2 or 3 as published by the Free Software Foundation. -+ */ -+#include <linux/module.h> -+#include <linux/moduleparam.h> -+#include <linux/skbuff.h> -+#include <linux/netfilter/x_tables.h> -+#include <linux/grsecurity.h> -+#include <linux/netfilter/xt_gradm.h> -+ -+static bool -+gradm_mt(const struct sk_buff *skb, struct xt_action_param *par) -+{ -+ const struct xt_gradm_mtinfo *info = par->matchinfo; -+ bool retval = false; -+ if (gr_acl_is_enabled()) -+ retval = true; -+ return retval ^ info->invflags; -+} -+ -+static struct xt_match gradm_mt_reg __read_mostly = { -+ .name = "gradm", -+ .revision = 0, -+ .family = NFPROTO_UNSPEC, -+ .match = gradm_mt, -+ .matchsize = XT_ALIGN(sizeof(struct xt_gradm_mtinfo)), -+ .me = THIS_MODULE, -+}; -+ -+static int __init gradm_mt_init(void) -+{ -+ return xt_register_match(&gradm_mt_reg); -+} -+ -+static void __exit gradm_mt_exit(void) -+{ -+ xt_unregister_match(&gradm_mt_reg); -+} -+ -+module_init(gradm_mt_init); -+module_exit(gradm_mt_exit); -+MODULE_AUTHOR("Zbigniew Krzystolik <zbyniu@destrukcja.pl>"); -+MODULE_DESCRIPTION("Xtables: Grsecurity RBAC match"); -+MODULE_LICENSE("GPL"); -+MODULE_ALIAS("ipt_gradm"); -+MODULE_ALIAS("ip6t_gradm"); -diff -urNp linux-2.6.39.3/net/netfilter/xt_statistic.c linux-2.6.39.3/net/netfilter/xt_statistic.c ---- linux-2.6.39.3/net/netfilter/xt_statistic.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/netfilter/xt_statistic.c 2011-05-22 19:36:35.000000000 -0400 -@@ -18,7 +18,7 @@ - #include <linux/netfilter/x_tables.h> - - struct xt_statistic_priv { -- atomic_t count; -+ atomic_unchecked_t count; - } ____cacheline_aligned_in_smp; - - MODULE_LICENSE("GPL"); -@@ -41,9 +41,9 @@ statistic_mt(const struct sk_buff *skb, - break; - case XT_STATISTIC_MODE_NTH: - do { -- oval = atomic_read(&info->master->count); -+ oval = atomic_read_unchecked(&info->master->count); - nval = (oval == info->u.nth.every) ? 0 : oval + 1; -- } while (atomic_cmpxchg(&info->master->count, oval, nval) != oval); -+ } while (atomic_cmpxchg_unchecked(&info->master->count, oval, nval) != oval); - if (nval == 0) - ret = !ret; - break; -@@ -63,7 +63,7 @@ static int statistic_mt_check(const stru - info->master = kzalloc(sizeof(*info->master), GFP_KERNEL); - if (info->master == NULL) - return -ENOMEM; -- atomic_set(&info->master->count, info->u.nth.count); -+ atomic_set_unchecked(&info->master->count, info->u.nth.count); - - return 0; - } -diff -urNp linux-2.6.39.3/net/netlink/af_netlink.c linux-2.6.39.3/net/netlink/af_netlink.c ---- linux-2.6.39.3/net/netlink/af_netlink.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/netlink/af_netlink.c 2011-05-22 19:41:42.000000000 -0400 -@@ -742,7 +742,7 @@ static void netlink_overrun(struct sock - sk->sk_error_report(sk); - } - } -- atomic_inc(&sk->sk_drops); -+ atomic_inc_unchecked(&sk->sk_drops); - } - - static struct sock *netlink_getsockbypid(struct sock *ssk, u32 pid) -@@ -1992,15 +1992,23 @@ static int netlink_seq_show(struct seq_f - struct netlink_sock *nlk = nlk_sk(s); - - seq_printf(seq, "%p %-3d %-6d %08x %-8d %-8d %p %-8d %-8d %-8lu\n", -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+ NULL, -+#else - s, -+#endif - s->sk_protocol, - nlk->pid, - nlk->groups ? (u32)nlk->groups[0] : 0, - sk_rmem_alloc_get(s), - sk_wmem_alloc_get(s), -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+ NULL, -+#else - nlk->cb, -+#endif - atomic_read(&s->sk_refcnt), -- atomic_read(&s->sk_drops), -+ atomic_read_unchecked(&s->sk_drops), - sock_i_ino(s) - ); - -diff -urNp linux-2.6.39.3/net/netrom/af_netrom.c linux-2.6.39.3/net/netrom/af_netrom.c ---- linux-2.6.39.3/net/netrom/af_netrom.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/netrom/af_netrom.c 2011-05-22 19:41:42.000000000 -0400 -@@ -840,6 +840,7 @@ static int nr_getname(struct socket *soc - struct sock *sk = sock->sk; - struct nr_sock *nr = nr_sk(sk); - -+ memset(sax, 0, sizeof(*sax)); - lock_sock(sk); - if (peer != 0) { - if (sk->sk_state != TCP_ESTABLISHED) { -@@ -854,7 +855,6 @@ static int nr_getname(struct socket *soc - *uaddr_len = sizeof(struct full_sockaddr_ax25); - } else { - sax->fsa_ax25.sax25_family = AF_NETROM; -- sax->fsa_ax25.sax25_ndigis = 0; - sax->fsa_ax25.sax25_call = nr->source_addr; - *uaddr_len = sizeof(struct sockaddr_ax25); - } -diff -urNp linux-2.6.39.3/net/packet/af_packet.c linux-2.6.39.3/net/packet/af_packet.c ---- linux-2.6.39.3/net/packet/af_packet.c 2011-07-09 09:18:51.000000000 -0400 -+++ linux-2.6.39.3/net/packet/af_packet.c 2011-07-09 09:19:27.000000000 -0400 -@@ -647,14 +647,14 @@ static int packet_rcv(struct sk_buff *sk - - spin_lock(&sk->sk_receive_queue.lock); - po->stats.tp_packets++; -- skb->dropcount = atomic_read(&sk->sk_drops); -+ skb->dropcount = atomic_read_unchecked(&sk->sk_drops); - __skb_queue_tail(&sk->sk_receive_queue, skb); - spin_unlock(&sk->sk_receive_queue.lock); - sk->sk_data_ready(sk, skb->len); - return 0; - - drop_n_acct: -- po->stats.tp_drops = atomic_inc_return(&sk->sk_drops); -+ po->stats.tp_drops = atomic_inc_return_unchecked(&sk->sk_drops); - - drop_n_restore: - if (skb_head != skb->data && skb_shared(skb)) { -@@ -2159,7 +2159,7 @@ static int packet_getsockopt(struct sock - case PACKET_HDRLEN: - if (len > sizeof(int)) - len = sizeof(int); -- if (copy_from_user(&val, optval, len)) -+ if (len > sizeof(val) || copy_from_user(&val, optval, len)) - return -EFAULT; - switch (val) { - case TPACKET_V1: -@@ -2197,7 +2197,7 @@ static int packet_getsockopt(struct sock - - if (put_user(len, optlen)) - return -EFAULT; -- if (copy_to_user(optval, data, len)) -+ if (len > sizeof(st) || copy_to_user(optval, data, len)) - return -EFAULT; - return 0; - } -@@ -2709,7 +2709,11 @@ static int packet_seq_show(struct seq_fi - - seq_printf(seq, - "%p %-6d %-4d %04x %-5d %1d %-6u %-6u %-6lu\n", -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+ NULL, -+#else - s, -+#endif - atomic_read(&s->sk_refcnt), - s->sk_type, - ntohs(po->num), -diff -urNp linux-2.6.39.3/net/phonet/af_phonet.c linux-2.6.39.3/net/phonet/af_phonet.c ---- linux-2.6.39.3/net/phonet/af_phonet.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/phonet/af_phonet.c 2011-05-22 19:41:42.000000000 -0400 -@@ -41,7 +41,7 @@ static struct phonet_protocol *phonet_pr - { - struct phonet_protocol *pp; - -- if (protocol >= PHONET_NPROTO) -+ if (protocol < 0 || protocol >= PHONET_NPROTO) - return NULL; - - rcu_read_lock(); -@@ -149,7 +149,7 @@ static int pn_header_parse(const struct - return 1; - } - --struct header_ops phonet_header_ops = { -+const struct header_ops phonet_header_ops = { - .create = pn_header_create, - .parse = pn_header_parse, - }; -@@ -469,7 +469,7 @@ int __init_or_module phonet_proto_regist - { - int err = 0; - -- if (protocol >= PHONET_NPROTO) -+ if (protocol < 0 || protocol >= PHONET_NPROTO) - return -EINVAL; - - err = proto_register(pp->prot, 1); -diff -urNp linux-2.6.39.3/net/phonet/pep.c linux-2.6.39.3/net/phonet/pep.c ---- linux-2.6.39.3/net/phonet/pep.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/phonet/pep.c 2011-05-22 19:36:35.000000000 -0400 -@@ -387,7 +387,7 @@ static int pipe_do_rcv(struct sock *sk, - - case PNS_PEP_CTRL_REQ: - if (skb_queue_len(&pn->ctrlreq_queue) >= PNPIPE_CTRLREQ_MAX) { -- atomic_inc(&sk->sk_drops); -+ atomic_inc_unchecked(&sk->sk_drops); - break; - } - __skb_pull(skb, 4); -@@ -408,7 +408,7 @@ static int pipe_do_rcv(struct sock *sk, - } - - if (pn->rx_credits == 0) { -- atomic_inc(&sk->sk_drops); -+ atomic_inc_unchecked(&sk->sk_drops); - err = -ENOBUFS; - break; - } -@@ -556,7 +556,7 @@ static int pipe_handler_do_rcv(struct so - } - - if (pn->rx_credits == 0) { -- atomic_inc(&sk->sk_drops); -+ atomic_inc_unchecked(&sk->sk_drops); - err = NET_RX_DROP; - break; - } -diff -urNp linux-2.6.39.3/net/phonet/socket.c linux-2.6.39.3/net/phonet/socket.c ---- linux-2.6.39.3/net/phonet/socket.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/phonet/socket.c 2011-05-22 20:39:26.000000000 -0400 -@@ -613,8 +613,13 @@ static int pn_sock_seq_show(struct seq_f - pn->resource, sk->sk_state, - sk_wmem_alloc_get(sk), sk_rmem_alloc_get(sk), - sock_i_uid(sk), sock_i_ino(sk), -- atomic_read(&sk->sk_refcnt), sk, -- atomic_read(&sk->sk_drops), &len); -+ atomic_read(&sk->sk_refcnt), -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+ NULL, -+#else -+ sk, -+#endif -+ atomic_read_unchecked(&sk->sk_drops), &len); - } - seq_printf(seq, "%*s\n", 127 - len, ""); - return 0; -diff -urNp linux-2.6.39.3/net/rds/cong.c linux-2.6.39.3/net/rds/cong.c ---- linux-2.6.39.3/net/rds/cong.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/rds/cong.c 2011-05-22 19:36:35.000000000 -0400 -@@ -77,7 +77,7 @@ - * finds that the saved generation number is smaller than the global generation - * number, it wakes up the process. - */ --static atomic_t rds_cong_generation = ATOMIC_INIT(0); -+static atomic_unchecked_t rds_cong_generation = ATOMIC_INIT(0); - - /* - * Congestion monitoring -@@ -232,7 +232,7 @@ void rds_cong_map_updated(struct rds_con - rdsdebug("waking map %p for %pI4\n", - map, &map->m_addr); - rds_stats_inc(s_cong_update_received); -- atomic_inc(&rds_cong_generation); -+ atomic_inc_unchecked(&rds_cong_generation); - if (waitqueue_active(&map->m_waitq)) - wake_up(&map->m_waitq); - if (waitqueue_active(&rds_poll_waitq)) -@@ -258,7 +258,7 @@ EXPORT_SYMBOL_GPL(rds_cong_map_updated); - - int rds_cong_updated_since(unsigned long *recent) - { -- unsigned long gen = atomic_read(&rds_cong_generation); -+ unsigned long gen = atomic_read_unchecked(&rds_cong_generation); - - if (likely(*recent == gen)) - return 0; -diff -urNp linux-2.6.39.3/net/rds/ib_cm.c linux-2.6.39.3/net/rds/ib_cm.c ---- linux-2.6.39.3/net/rds/ib_cm.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/rds/ib_cm.c 2011-05-22 19:36:35.000000000 -0400 -@@ -720,7 +720,7 @@ void rds_ib_conn_shutdown(struct rds_con - /* Clear the ACK state */ - clear_bit(IB_ACK_IN_FLIGHT, &ic->i_ack_flags); - #ifdef KERNEL_HAS_ATOMIC64 -- atomic64_set(&ic->i_ack_next, 0); -+ atomic64_set_unchecked(&ic->i_ack_next, 0); - #else - ic->i_ack_next = 0; - #endif -diff -urNp linux-2.6.39.3/net/rds/ib.h linux-2.6.39.3/net/rds/ib.h ---- linux-2.6.39.3/net/rds/ib.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/rds/ib.h 2011-05-22 19:36:35.000000000 -0400 -@@ -127,7 +127,7 @@ struct rds_ib_connection { - /* sending acks */ - unsigned long i_ack_flags; - #ifdef KERNEL_HAS_ATOMIC64 -- atomic64_t i_ack_next; /* next ACK to send */ -+ atomic64_unchecked_t i_ack_next; /* next ACK to send */ - #else - spinlock_t i_ack_lock; /* protect i_ack_next */ - u64 i_ack_next; /* next ACK to send */ -diff -urNp linux-2.6.39.3/net/rds/ib_recv.c linux-2.6.39.3/net/rds/ib_recv.c ---- linux-2.6.39.3/net/rds/ib_recv.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/rds/ib_recv.c 2011-05-22 19:36:35.000000000 -0400 -@@ -592,7 +592,7 @@ static u64 rds_ib_get_ack(struct rds_ib_ - static void rds_ib_set_ack(struct rds_ib_connection *ic, u64 seq, - int ack_required) - { -- atomic64_set(&ic->i_ack_next, seq); -+ atomic64_set_unchecked(&ic->i_ack_next, seq); - if (ack_required) { - smp_mb__before_clear_bit(); - set_bit(IB_ACK_REQUESTED, &ic->i_ack_flags); -@@ -604,7 +604,7 @@ static u64 rds_ib_get_ack(struct rds_ib_ - clear_bit(IB_ACK_REQUESTED, &ic->i_ack_flags); - smp_mb__after_clear_bit(); - -- return atomic64_read(&ic->i_ack_next); -+ return atomic64_read_unchecked(&ic->i_ack_next); - } - #endif - -diff -urNp linux-2.6.39.3/net/rds/iw_cm.c linux-2.6.39.3/net/rds/iw_cm.c ---- linux-2.6.39.3/net/rds/iw_cm.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/rds/iw_cm.c 2011-05-22 19:36:35.000000000 -0400 -@@ -664,7 +664,7 @@ void rds_iw_conn_shutdown(struct rds_con - /* Clear the ACK state */ - clear_bit(IB_ACK_IN_FLIGHT, &ic->i_ack_flags); - #ifdef KERNEL_HAS_ATOMIC64 -- atomic64_set(&ic->i_ack_next, 0); -+ atomic64_set_unchecked(&ic->i_ack_next, 0); - #else - ic->i_ack_next = 0; - #endif -diff -urNp linux-2.6.39.3/net/rds/iw.h linux-2.6.39.3/net/rds/iw.h ---- linux-2.6.39.3/net/rds/iw.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/rds/iw.h 2011-05-22 19:36:35.000000000 -0400 -@@ -133,7 +133,7 @@ struct rds_iw_connection { - /* sending acks */ - unsigned long i_ack_flags; - #ifdef KERNEL_HAS_ATOMIC64 -- atomic64_t i_ack_next; /* next ACK to send */ -+ atomic64_unchecked_t i_ack_next; /* next ACK to send */ - #else - spinlock_t i_ack_lock; /* protect i_ack_next */ - u64 i_ack_next; /* next ACK to send */ -diff -urNp linux-2.6.39.3/net/rds/iw_rdma.c linux-2.6.39.3/net/rds/iw_rdma.c ---- linux-2.6.39.3/net/rds/iw_rdma.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/rds/iw_rdma.c 2011-05-22 19:36:35.000000000 -0400 -@@ -182,6 +182,8 @@ int rds_iw_update_cm_id(struct rds_iw_de - struct rdma_cm_id *pcm_id; - int rc; - -+ pax_track_stack(); -+ - src_addr = (struct sockaddr_in *)&cm_id->route.addr.src_addr; - dst_addr = (struct sockaddr_in *)&cm_id->route.addr.dst_addr; - -diff -urNp linux-2.6.39.3/net/rds/iw_recv.c linux-2.6.39.3/net/rds/iw_recv.c ---- linux-2.6.39.3/net/rds/iw_recv.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/rds/iw_recv.c 2011-05-22 19:36:35.000000000 -0400 -@@ -427,7 +427,7 @@ static u64 rds_iw_get_ack(struct rds_iw_ - static void rds_iw_set_ack(struct rds_iw_connection *ic, u64 seq, - int ack_required) - { -- atomic64_set(&ic->i_ack_next, seq); -+ atomic64_set_unchecked(&ic->i_ack_next, seq); - if (ack_required) { - smp_mb__before_clear_bit(); - set_bit(IB_ACK_REQUESTED, &ic->i_ack_flags); -@@ -439,7 +439,7 @@ static u64 rds_iw_get_ack(struct rds_iw_ - clear_bit(IB_ACK_REQUESTED, &ic->i_ack_flags); - smp_mb__after_clear_bit(); - -- return atomic64_read(&ic->i_ack_next); -+ return atomic64_read_unchecked(&ic->i_ack_next); - } - #endif - -diff -urNp linux-2.6.39.3/net/rxrpc/af_rxrpc.c linux-2.6.39.3/net/rxrpc/af_rxrpc.c ---- linux-2.6.39.3/net/rxrpc/af_rxrpc.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/rxrpc/af_rxrpc.c 2011-05-22 19:36:35.000000000 -0400 -@@ -39,7 +39,7 @@ static const struct proto_ops rxrpc_rpc_ - __be32 rxrpc_epoch; - - /* current debugging ID */ --atomic_t rxrpc_debug_id; -+atomic_unchecked_t rxrpc_debug_id; - - /* count of skbs currently in use */ - atomic_t rxrpc_n_skbs; -diff -urNp linux-2.6.39.3/net/rxrpc/ar-ack.c linux-2.6.39.3/net/rxrpc/ar-ack.c ---- linux-2.6.39.3/net/rxrpc/ar-ack.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/rxrpc/ar-ack.c 2011-05-22 19:36:35.000000000 -0400 -@@ -175,7 +175,7 @@ static void rxrpc_resend(struct rxrpc_ca - - _enter("{%d,%d,%d,%d},", - call->acks_hard, call->acks_unacked, -- atomic_read(&call->sequence), -+ atomic_read_unchecked(&call->sequence), - CIRC_CNT(call->acks_head, call->acks_tail, call->acks_winsz)); - - stop = 0; -@@ -199,7 +199,7 @@ static void rxrpc_resend(struct rxrpc_ca - - /* each Tx packet has a new serial number */ - sp->hdr.serial = -- htonl(atomic_inc_return(&call->conn->serial)); -+ htonl(atomic_inc_return_unchecked(&call->conn->serial)); - - hdr = (struct rxrpc_header *) txb->head; - hdr->serial = sp->hdr.serial; -@@ -405,7 +405,7 @@ static void rxrpc_rotate_tx_window(struc - */ - static void rxrpc_clear_tx_window(struct rxrpc_call *call) - { -- rxrpc_rotate_tx_window(call, atomic_read(&call->sequence)); -+ rxrpc_rotate_tx_window(call, atomic_read_unchecked(&call->sequence)); - } - - /* -@@ -631,7 +631,7 @@ process_further: - - latest = ntohl(sp->hdr.serial); - hard = ntohl(ack.firstPacket); -- tx = atomic_read(&call->sequence); -+ tx = atomic_read_unchecked(&call->sequence); - - _proto("Rx ACK %%%u { m=%hu f=#%u p=#%u s=%%%u r=%s n=%u }", - latest, -@@ -844,6 +844,8 @@ void rxrpc_process_call(struct work_stru - u32 abort_code = RX_PROTOCOL_ERROR; - u8 *acks = NULL; - -+ pax_track_stack(); -+ - //printk("\n--------------------\n"); - _enter("{%d,%s,%lx} [%lu]", - call->debug_id, rxrpc_call_states[call->state], call->events, -@@ -1163,7 +1165,7 @@ void rxrpc_process_call(struct work_stru - goto maybe_reschedule; - - send_ACK_with_skew: -- ack.maxSkew = htons(atomic_read(&call->conn->hi_serial) - -+ ack.maxSkew = htons(atomic_read_unchecked(&call->conn->hi_serial) - - ntohl(ack.serial)); - send_ACK: - mtu = call->conn->trans->peer->if_mtu; -@@ -1175,7 +1177,7 @@ send_ACK: - ackinfo.rxMTU = htonl(5692); - ackinfo.jumbo_max = htonl(4); - -- hdr.serial = htonl(atomic_inc_return(&call->conn->serial)); -+ hdr.serial = htonl(atomic_inc_return_unchecked(&call->conn->serial)); - _proto("Tx ACK %%%u { m=%hu f=#%u p=#%u s=%%%u r=%s n=%u }", - ntohl(hdr.serial), - ntohs(ack.maxSkew), -@@ -1193,7 +1195,7 @@ send_ACK: - send_message: - _debug("send message"); - -- hdr.serial = htonl(atomic_inc_return(&call->conn->serial)); -+ hdr.serial = htonl(atomic_inc_return_unchecked(&call->conn->serial)); - _proto("Tx %s %%%u", rxrpc_pkts[hdr.type], ntohl(hdr.serial)); - send_message_2: - -diff -urNp linux-2.6.39.3/net/rxrpc/ar-call.c linux-2.6.39.3/net/rxrpc/ar-call.c ---- linux-2.6.39.3/net/rxrpc/ar-call.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/rxrpc/ar-call.c 2011-05-22 19:36:35.000000000 -0400 -@@ -83,7 +83,7 @@ static struct rxrpc_call *rxrpc_alloc_ca - spin_lock_init(&call->lock); - rwlock_init(&call->state_lock); - atomic_set(&call->usage, 1); -- call->debug_id = atomic_inc_return(&rxrpc_debug_id); -+ call->debug_id = atomic_inc_return_unchecked(&rxrpc_debug_id); - call->state = RXRPC_CALL_CLIENT_SEND_REQUEST; - - memset(&call->sock_node, 0xed, sizeof(call->sock_node)); -diff -urNp linux-2.6.39.3/net/rxrpc/ar-connection.c linux-2.6.39.3/net/rxrpc/ar-connection.c ---- linux-2.6.39.3/net/rxrpc/ar-connection.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/rxrpc/ar-connection.c 2011-05-22 19:36:35.000000000 -0400 -@@ -206,7 +206,7 @@ static struct rxrpc_connection *rxrpc_al - rwlock_init(&conn->lock); - spin_lock_init(&conn->state_lock); - atomic_set(&conn->usage, 1); -- conn->debug_id = atomic_inc_return(&rxrpc_debug_id); -+ conn->debug_id = atomic_inc_return_unchecked(&rxrpc_debug_id); - conn->avail_calls = RXRPC_MAXCALLS; - conn->size_align = 4; - conn->header_size = sizeof(struct rxrpc_header); -diff -urNp linux-2.6.39.3/net/rxrpc/ar-connevent.c linux-2.6.39.3/net/rxrpc/ar-connevent.c ---- linux-2.6.39.3/net/rxrpc/ar-connevent.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/rxrpc/ar-connevent.c 2011-05-22 19:36:35.000000000 -0400 -@@ -109,7 +109,7 @@ static int rxrpc_abort_connection(struct - - len = iov[0].iov_len + iov[1].iov_len; - -- hdr.serial = htonl(atomic_inc_return(&conn->serial)); -+ hdr.serial = htonl(atomic_inc_return_unchecked(&conn->serial)); - _proto("Tx CONN ABORT %%%u { %d }", ntohl(hdr.serial), abort_code); - - ret = kernel_sendmsg(conn->trans->local->socket, &msg, iov, 2, len); -diff -urNp linux-2.6.39.3/net/rxrpc/ar-input.c linux-2.6.39.3/net/rxrpc/ar-input.c ---- linux-2.6.39.3/net/rxrpc/ar-input.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/rxrpc/ar-input.c 2011-05-22 19:36:35.000000000 -0400 -@@ -340,9 +340,9 @@ void rxrpc_fast_process_packet(struct rx - /* track the latest serial number on this connection for ACK packet - * information */ - serial = ntohl(sp->hdr.serial); -- hi_serial = atomic_read(&call->conn->hi_serial); -+ hi_serial = atomic_read_unchecked(&call->conn->hi_serial); - while (serial > hi_serial) -- hi_serial = atomic_cmpxchg(&call->conn->hi_serial, hi_serial, -+ hi_serial = atomic_cmpxchg_unchecked(&call->conn->hi_serial, hi_serial, - serial); - - /* request ACK generation for any ACK or DATA packet that requests -diff -urNp linux-2.6.39.3/net/rxrpc/ar-internal.h linux-2.6.39.3/net/rxrpc/ar-internal.h ---- linux-2.6.39.3/net/rxrpc/ar-internal.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/rxrpc/ar-internal.h 2011-05-22 19:36:35.000000000 -0400 -@@ -272,8 +272,8 @@ struct rxrpc_connection { - int error; /* error code for local abort */ - int debug_id; /* debug ID for printks */ - unsigned call_counter; /* call ID counter */ -- atomic_t serial; /* packet serial number counter */ -- atomic_t hi_serial; /* highest serial number received */ -+ atomic_unchecked_t serial; /* packet serial number counter */ -+ atomic_unchecked_t hi_serial; /* highest serial number received */ - u8 avail_calls; /* number of calls available */ - u8 size_align; /* data size alignment (for security) */ - u8 header_size; /* rxrpc + security header size */ -@@ -346,7 +346,7 @@ struct rxrpc_call { - spinlock_t lock; - rwlock_t state_lock; /* lock for state transition */ - atomic_t usage; -- atomic_t sequence; /* Tx data packet sequence counter */ -+ atomic_unchecked_t sequence; /* Tx data packet sequence counter */ - u32 abort_code; /* local/remote abort code */ - enum { /* current state of call */ - RXRPC_CALL_CLIENT_SEND_REQUEST, /* - client sending request phase */ -@@ -420,7 +420,7 @@ static inline void rxrpc_abort_call(stru - */ - extern atomic_t rxrpc_n_skbs; - extern __be32 rxrpc_epoch; --extern atomic_t rxrpc_debug_id; -+extern atomic_unchecked_t rxrpc_debug_id; - extern struct workqueue_struct *rxrpc_workqueue; - - /* -diff -urNp linux-2.6.39.3/net/rxrpc/ar-local.c linux-2.6.39.3/net/rxrpc/ar-local.c ---- linux-2.6.39.3/net/rxrpc/ar-local.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/rxrpc/ar-local.c 2011-05-22 19:36:35.000000000 -0400 -@@ -45,7 +45,7 @@ struct rxrpc_local *rxrpc_alloc_local(st - spin_lock_init(&local->lock); - rwlock_init(&local->services_lock); - atomic_set(&local->usage, 1); -- local->debug_id = atomic_inc_return(&rxrpc_debug_id); -+ local->debug_id = atomic_inc_return_unchecked(&rxrpc_debug_id); - memcpy(&local->srx, srx, sizeof(*srx)); - } - -diff -urNp linux-2.6.39.3/net/rxrpc/ar-output.c linux-2.6.39.3/net/rxrpc/ar-output.c ---- linux-2.6.39.3/net/rxrpc/ar-output.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/rxrpc/ar-output.c 2011-05-22 19:36:35.000000000 -0400 -@@ -681,9 +681,9 @@ static int rxrpc_send_data(struct kiocb - sp->hdr.cid = call->cid; - sp->hdr.callNumber = call->call_id; - sp->hdr.seq = -- htonl(atomic_inc_return(&call->sequence)); -+ htonl(atomic_inc_return_unchecked(&call->sequence)); - sp->hdr.serial = -- htonl(atomic_inc_return(&conn->serial)); -+ htonl(atomic_inc_return_unchecked(&conn->serial)); - sp->hdr.type = RXRPC_PACKET_TYPE_DATA; - sp->hdr.userStatus = 0; - sp->hdr.securityIndex = conn->security_ix; -diff -urNp linux-2.6.39.3/net/rxrpc/ar-peer.c linux-2.6.39.3/net/rxrpc/ar-peer.c ---- linux-2.6.39.3/net/rxrpc/ar-peer.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/rxrpc/ar-peer.c 2011-05-22 19:36:35.000000000 -0400 -@@ -71,7 +71,7 @@ static struct rxrpc_peer *rxrpc_alloc_pe - INIT_LIST_HEAD(&peer->error_targets); - spin_lock_init(&peer->lock); - atomic_set(&peer->usage, 1); -- peer->debug_id = atomic_inc_return(&rxrpc_debug_id); -+ peer->debug_id = atomic_inc_return_unchecked(&rxrpc_debug_id); - memcpy(&peer->srx, srx, sizeof(*srx)); - - rxrpc_assess_MTU_size(peer); -diff -urNp linux-2.6.39.3/net/rxrpc/ar-proc.c linux-2.6.39.3/net/rxrpc/ar-proc.c ---- linux-2.6.39.3/net/rxrpc/ar-proc.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/rxrpc/ar-proc.c 2011-05-22 19:36:35.000000000 -0400 -@@ -164,8 +164,8 @@ static int rxrpc_connection_seq_show(str - atomic_read(&conn->usage), - rxrpc_conn_states[conn->state], - key_serial(conn->key), -- atomic_read(&conn->serial), -- atomic_read(&conn->hi_serial)); -+ atomic_read_unchecked(&conn->serial), -+ atomic_read_unchecked(&conn->hi_serial)); - - return 0; - } -diff -urNp linux-2.6.39.3/net/rxrpc/ar-transport.c linux-2.6.39.3/net/rxrpc/ar-transport.c ---- linux-2.6.39.3/net/rxrpc/ar-transport.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/rxrpc/ar-transport.c 2011-05-22 19:36:35.000000000 -0400 -@@ -47,7 +47,7 @@ static struct rxrpc_transport *rxrpc_all - spin_lock_init(&trans->client_lock); - rwlock_init(&trans->conn_lock); - atomic_set(&trans->usage, 1); -- trans->debug_id = atomic_inc_return(&rxrpc_debug_id); -+ trans->debug_id = atomic_inc_return_unchecked(&rxrpc_debug_id); - - if (peer->srx.transport.family == AF_INET) { - switch (peer->srx.transport_type) { -diff -urNp linux-2.6.39.3/net/rxrpc/rxkad.c linux-2.6.39.3/net/rxrpc/rxkad.c ---- linux-2.6.39.3/net/rxrpc/rxkad.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/rxrpc/rxkad.c 2011-05-22 19:36:35.000000000 -0400 -@@ -211,6 +211,8 @@ static int rxkad_secure_packet_encrypt(c - u16 check; - int nsg; - -+ pax_track_stack(); -+ - sp = rxrpc_skb(skb); - - _enter(""); -@@ -338,6 +340,8 @@ static int rxkad_verify_packet_auth(cons - u16 check; - int nsg; - -+ pax_track_stack(); -+ - _enter(""); - - sp = rxrpc_skb(skb); -@@ -610,7 +614,7 @@ static int rxkad_issue_challenge(struct - - len = iov[0].iov_len + iov[1].iov_len; - -- hdr.serial = htonl(atomic_inc_return(&conn->serial)); -+ hdr.serial = htonl(atomic_inc_return_unchecked(&conn->serial)); - _proto("Tx CHALLENGE %%%u", ntohl(hdr.serial)); - - ret = kernel_sendmsg(conn->trans->local->socket, &msg, iov, 2, len); -@@ -660,7 +664,7 @@ static int rxkad_send_response(struct rx - - len = iov[0].iov_len + iov[1].iov_len + iov[2].iov_len; - -- hdr->serial = htonl(atomic_inc_return(&conn->serial)); -+ hdr->serial = htonl(atomic_inc_return_unchecked(&conn->serial)); - _proto("Tx RESPONSE %%%u", ntohl(hdr->serial)); - - ret = kernel_sendmsg(conn->trans->local->socket, &msg, iov, 3, len); -diff -urNp linux-2.6.39.3/net/sched/em_meta.c linux-2.6.39.3/net/sched/em_meta.c ---- linux-2.6.39.3/net/sched/em_meta.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/sched/em_meta.c 2011-05-22 19:36:35.000000000 -0400 -@@ -832,7 +832,7 @@ static int em_meta_dump(struct sk_buff * - { - struct meta_match *meta = (struct meta_match *) em->data; - struct tcf_meta_hdr hdr; -- struct meta_type_ops *ops; -+ const struct meta_type_ops *ops; - - memset(&hdr, 0, sizeof(hdr)); - memcpy(&hdr.left, &meta->lvalue.hdr, sizeof(hdr.left)); -diff -urNp linux-2.6.39.3/net/sctp/proc.c linux-2.6.39.3/net/sctp/proc.c ---- linux-2.6.39.3/net/sctp/proc.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/sctp/proc.c 2011-05-22 19:41:42.000000000 -0400 -@@ -212,7 +212,12 @@ static int sctp_eps_seq_show(struct seq_ - sctp_for_each_hentry(epb, node, &head->chain) { - ep = sctp_ep(epb); - sk = epb->sk; -- seq_printf(seq, "%8p %8p %-3d %-3d %-4d %-5d %5d %5lu ", ep, sk, -+ seq_printf(seq, "%8p %8p %-3d %-3d %-4d %-5d %5d %5lu ", -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+ NULL, NULL, -+#else -+ ep, sk, -+#endif - sctp_sk(sk)->type, sk->sk_state, hash, - epb->bind_addr.port, - sock_i_uid(sk), sock_i_ino(sk)); -@@ -318,7 +323,12 @@ static int sctp_assocs_seq_show(struct s - seq_printf(seq, - "%8p %8p %-3d %-3d %-2d %-4d " - "%4d %8d %8d %7d %5lu %-5d %5d ", -- assoc, sk, sctp_sk(sk)->type, sk->sk_state, -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+ NULL, NULL, -+#else -+ assoc, sk, -+#endif -+ sctp_sk(sk)->type, sk->sk_state, - assoc->state, hash, - assoc->assoc_id, - assoc->sndbuf_used, -diff -urNp linux-2.6.39.3/net/sctp/socket.c linux-2.6.39.3/net/sctp/socket.c ---- linux-2.6.39.3/net/sctp/socket.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/sctp/socket.c 2011-05-22 19:36:35.000000000 -0400 -@@ -4433,7 +4433,7 @@ static int sctp_getsockopt_peer_addrs(st - addrlen = sctp_get_af_specific(temp.sa.sa_family)->sockaddr_len; - if (space_left < addrlen) - return -ENOMEM; -- if (copy_to_user(to, &temp, addrlen)) -+ if (addrlen > sizeof(temp) || copy_to_user(to, &temp, addrlen)) - return -EFAULT; - to += addrlen; - cnt++; -diff -urNp linux-2.6.39.3/net/socket.c linux-2.6.39.3/net/socket.c ---- linux-2.6.39.3/net/socket.c 2011-06-03 00:04:14.000000000 -0400 -+++ linux-2.6.39.3/net/socket.c 2011-06-03 00:32:08.000000000 -0400 -@@ -88,6 +88,7 @@ - #include <linux/nsproxy.h> - #include <linux/magic.h> - #include <linux/slab.h> -+#include <linux/in.h> - - #include <asm/uaccess.h> - #include <asm/unistd.h> -@@ -105,6 +106,8 @@ - #include <linux/sockios.h> - #include <linux/atalk.h> - -+#include <linux/grsock.h> -+ - static int sock_no_open(struct inode *irrelevant, struct file *dontcare); - static ssize_t sock_aio_read(struct kiocb *iocb, const struct iovec *iov, - unsigned long nr_segs, loff_t pos); -@@ -330,7 +333,7 @@ static struct dentry *sockfs_mount(struc - &sockfs_dentry_operations, SOCKFS_MAGIC); - } - --static struct vfsmount *sock_mnt __read_mostly; -+struct vfsmount *sock_mnt __read_mostly; - - static struct file_system_type sock_fs_type = { - .name = "sockfs", -@@ -1179,6 +1182,8 @@ int __sock_create(struct net *net, int f - return -EAFNOSUPPORT; - if (type < 0 || type >= SOCK_MAX) - return -EINVAL; -+ if (protocol < 0) -+ return -EINVAL; - - /* Compatibility. - -@@ -1311,6 +1316,16 @@ SYSCALL_DEFINE3(socket, int, family, int - if (SOCK_NONBLOCK != O_NONBLOCK && (flags & SOCK_NONBLOCK)) - flags = (flags & ~SOCK_NONBLOCK) | O_NONBLOCK; - -+ if(!gr_search_socket(family, type, protocol)) { -+ retval = -EACCES; -+ goto out; -+ } -+ -+ if (gr_handle_sock_all(family, type, protocol)) { -+ retval = -EACCES; -+ goto out; -+ } -+ - retval = sock_create(family, type, protocol, &sock); - if (retval < 0) - goto out; -@@ -1423,6 +1438,14 @@ SYSCALL_DEFINE3(bind, int, fd, struct so - if (sock) { - err = move_addr_to_kernel(umyaddr, addrlen, (struct sockaddr *)&address); - if (err >= 0) { -+ if (gr_handle_sock_server((struct sockaddr *)&address)) { -+ err = -EACCES; -+ goto error; -+ } -+ err = gr_search_bind(sock, (struct sockaddr_in *)&address); -+ if (err) -+ goto error; -+ - err = security_socket_bind(sock, - (struct sockaddr *)&address, - addrlen); -@@ -1431,6 +1454,7 @@ SYSCALL_DEFINE3(bind, int, fd, struct so - (struct sockaddr *) - &address, addrlen); - } -+error: - fput_light(sock->file, fput_needed); - } - return err; -@@ -1454,10 +1478,20 @@ SYSCALL_DEFINE2(listen, int, fd, int, ba - if ((unsigned)backlog > somaxconn) - backlog = somaxconn; - -+ if (gr_handle_sock_server_other(sock->sk)) { -+ err = -EPERM; -+ goto error; -+ } -+ -+ err = gr_search_listen(sock); -+ if (err) -+ goto error; -+ - err = security_socket_listen(sock, backlog); - if (!err) - err = sock->ops->listen(sock, backlog); - -+error: - fput_light(sock->file, fput_needed); - } - return err; -@@ -1501,6 +1535,18 @@ SYSCALL_DEFINE4(accept4, int, fd, struct - newsock->type = sock->type; - newsock->ops = sock->ops; - -+ if (gr_handle_sock_server_other(sock->sk)) { -+ err = -EPERM; -+ sock_release(newsock); -+ goto out_put; -+ } -+ -+ err = gr_search_accept(sock); -+ if (err) { -+ sock_release(newsock); -+ goto out_put; -+ } -+ - /* - * We don't need try_module_get here, as the listening socket (sock) - * has the protocol module (sock->ops->owner) held. -@@ -1539,6 +1585,8 @@ SYSCALL_DEFINE4(accept4, int, fd, struct - fd_install(newfd, newfile); - err = newfd; - -+ gr_attach_curr_ip(newsock->sk); -+ - out_put: - fput_light(sock->file, fput_needed); - out: -@@ -1571,6 +1619,7 @@ SYSCALL_DEFINE3(connect, int, fd, struct - int, addrlen) - { - struct socket *sock; -+ struct sockaddr *sck; - struct sockaddr_storage address; - int err, fput_needed; - -@@ -1581,6 +1630,17 @@ SYSCALL_DEFINE3(connect, int, fd, struct - if (err < 0) - goto out_put; - -+ sck = (struct sockaddr *)&address; -+ -+ if (gr_handle_sock_client(sck)) { -+ err = -EACCES; -+ goto out_put; -+ } -+ -+ err = gr_search_connect(sock, (struct sockaddr_in *)sck); -+ if (err) -+ goto out_put; -+ - err = - security_socket_connect(sock, (struct sockaddr *)&address, addrlen); - if (err) -@@ -1882,6 +1942,8 @@ SYSCALL_DEFINE3(sendmsg, int, fd, struct - int err, ctl_len, iov_size, total_len; - int fput_needed; - -+ pax_track_stack(); -+ - err = -EFAULT; - if (MSG_CMSG_COMPAT & flags) { - if (get_compat_msghdr(&msg_sys, msg_compat)) -diff -urNp linux-2.6.39.3/net/sunrpc/sched.c linux-2.6.39.3/net/sunrpc/sched.c ---- linux-2.6.39.3/net/sunrpc/sched.c 2011-07-09 09:18:51.000000000 -0400 -+++ linux-2.6.39.3/net/sunrpc/sched.c 2011-07-09 09:19:27.000000000 -0400 -@@ -234,9 +234,9 @@ static int rpc_wait_bit_killable(void *w - #ifdef RPC_DEBUG - static void rpc_task_set_debuginfo(struct rpc_task *task) - { -- static atomic_t rpc_pid; -+ static atomic_unchecked_t rpc_pid; - -- task->tk_pid = atomic_inc_return(&rpc_pid); -+ task->tk_pid = atomic_inc_return_unchecked(&rpc_pid); - } - #else - static inline void rpc_task_set_debuginfo(struct rpc_task *task) -diff -urNp linux-2.6.39.3/net/sunrpc/xprtrdma/svc_rdma.c linux-2.6.39.3/net/sunrpc/xprtrdma/svc_rdma.c ---- linux-2.6.39.3/net/sunrpc/xprtrdma/svc_rdma.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/sunrpc/xprtrdma/svc_rdma.c 2011-05-22 19:36:35.000000000 -0400 -@@ -61,15 +61,15 @@ unsigned int svcrdma_max_req_size = RPCR - static unsigned int min_max_inline = 4096; - static unsigned int max_max_inline = 65536; - --atomic_t rdma_stat_recv; --atomic_t rdma_stat_read; --atomic_t rdma_stat_write; --atomic_t rdma_stat_sq_starve; --atomic_t rdma_stat_rq_starve; --atomic_t rdma_stat_rq_poll; --atomic_t rdma_stat_rq_prod; --atomic_t rdma_stat_sq_poll; --atomic_t rdma_stat_sq_prod; -+atomic_unchecked_t rdma_stat_recv; -+atomic_unchecked_t rdma_stat_read; -+atomic_unchecked_t rdma_stat_write; -+atomic_unchecked_t rdma_stat_sq_starve; -+atomic_unchecked_t rdma_stat_rq_starve; -+atomic_unchecked_t rdma_stat_rq_poll; -+atomic_unchecked_t rdma_stat_rq_prod; -+atomic_unchecked_t rdma_stat_sq_poll; -+atomic_unchecked_t rdma_stat_sq_prod; - - /* Temporary NFS request map and context caches */ - struct kmem_cache *svc_rdma_map_cachep; -@@ -109,7 +109,7 @@ static int read_reset_stat(ctl_table *ta - len -= *ppos; - if (len > *lenp) - len = *lenp; -- if (len && copy_to_user(buffer, str_buf, len)) -+ if (len > sizeof str_buf || (len && copy_to_user(buffer, str_buf, len))) - return -EFAULT; - *lenp = len; - *ppos += len; -@@ -150,63 +150,63 @@ static ctl_table svcrdma_parm_table[] = - { - .procname = "rdma_stat_read", - .data = &rdma_stat_read, -- .maxlen = sizeof(atomic_t), -+ .maxlen = sizeof(atomic_unchecked_t), - .mode = 0644, - .proc_handler = read_reset_stat, - }, - { - .procname = "rdma_stat_recv", - .data = &rdma_stat_recv, -- .maxlen = sizeof(atomic_t), -+ .maxlen = sizeof(atomic_unchecked_t), - .mode = 0644, - .proc_handler = read_reset_stat, - }, - { - .procname = "rdma_stat_write", - .data = &rdma_stat_write, -- .maxlen = sizeof(atomic_t), -+ .maxlen = sizeof(atomic_unchecked_t), - .mode = 0644, - .proc_handler = read_reset_stat, - }, - { - .procname = "rdma_stat_sq_starve", - .data = &rdma_stat_sq_starve, -- .maxlen = sizeof(atomic_t), -+ .maxlen = sizeof(atomic_unchecked_t), - .mode = 0644, - .proc_handler = read_reset_stat, - }, - { - .procname = "rdma_stat_rq_starve", - .data = &rdma_stat_rq_starve, -- .maxlen = sizeof(atomic_t), -+ .maxlen = sizeof(atomic_unchecked_t), - .mode = 0644, - .proc_handler = read_reset_stat, - }, - { - .procname = "rdma_stat_rq_poll", - .data = &rdma_stat_rq_poll, -- .maxlen = sizeof(atomic_t), -+ .maxlen = sizeof(atomic_unchecked_t), - .mode = 0644, - .proc_handler = read_reset_stat, - }, - { - .procname = "rdma_stat_rq_prod", - .data = &rdma_stat_rq_prod, -- .maxlen = sizeof(atomic_t), -+ .maxlen = sizeof(atomic_unchecked_t), - .mode = 0644, - .proc_handler = read_reset_stat, - }, - { - .procname = "rdma_stat_sq_poll", - .data = &rdma_stat_sq_poll, -- .maxlen = sizeof(atomic_t), -+ .maxlen = sizeof(atomic_unchecked_t), - .mode = 0644, - .proc_handler = read_reset_stat, - }, - { - .procname = "rdma_stat_sq_prod", - .data = &rdma_stat_sq_prod, -- .maxlen = sizeof(atomic_t), -+ .maxlen = sizeof(atomic_unchecked_t), - .mode = 0644, - .proc_handler = read_reset_stat, - }, -diff -urNp linux-2.6.39.3/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c linux-2.6.39.3/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c ---- linux-2.6.39.3/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c 2011-05-22 19:36:35.000000000 -0400 -@@ -499,7 +499,7 @@ next_sge: - svc_rdma_put_context(ctxt, 0); - goto out; - } -- atomic_inc(&rdma_stat_read); -+ atomic_inc_unchecked(&rdma_stat_read); - - if (read_wr.num_sge < chl_map->ch[ch_no].count) { - chl_map->ch[ch_no].count -= read_wr.num_sge; -@@ -609,7 +609,7 @@ int svc_rdma_recvfrom(struct svc_rqst *r - dto_q); - list_del_init(&ctxt->dto_q); - } else { -- atomic_inc(&rdma_stat_rq_starve); -+ atomic_inc_unchecked(&rdma_stat_rq_starve); - clear_bit(XPT_DATA, &xprt->xpt_flags); - ctxt = NULL; - } -@@ -629,7 +629,7 @@ int svc_rdma_recvfrom(struct svc_rqst *r - dprintk("svcrdma: processing ctxt=%p on xprt=%p, rqstp=%p, status=%d\n", - ctxt, rdma_xprt, rqstp, ctxt->wc_status); - BUG_ON(ctxt->wc_status != IB_WC_SUCCESS); -- atomic_inc(&rdma_stat_recv); -+ atomic_inc_unchecked(&rdma_stat_recv); - - /* Build up the XDR from the receive buffers. */ - rdma_build_arg_xdr(rqstp, ctxt, ctxt->byte_len); -diff -urNp linux-2.6.39.3/net/sunrpc/xprtrdma/svc_rdma_sendto.c linux-2.6.39.3/net/sunrpc/xprtrdma/svc_rdma_sendto.c ---- linux-2.6.39.3/net/sunrpc/xprtrdma/svc_rdma_sendto.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/sunrpc/xprtrdma/svc_rdma_sendto.c 2011-05-22 19:36:35.000000000 -0400 -@@ -362,7 +362,7 @@ static int send_write(struct svcxprt_rdm - write_wr.wr.rdma.remote_addr = to; - - /* Post It */ -- atomic_inc(&rdma_stat_write); -+ atomic_inc_unchecked(&rdma_stat_write); - if (svc_rdma_send(xprt, &write_wr)) - goto err; - return 0; -diff -urNp linux-2.6.39.3/net/sunrpc/xprtrdma/svc_rdma_transport.c linux-2.6.39.3/net/sunrpc/xprtrdma/svc_rdma_transport.c ---- linux-2.6.39.3/net/sunrpc/xprtrdma/svc_rdma_transport.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/sunrpc/xprtrdma/svc_rdma_transport.c 2011-05-22 19:36:35.000000000 -0400 -@@ -298,7 +298,7 @@ static void rq_cq_reap(struct svcxprt_rd - return; - - ib_req_notify_cq(xprt->sc_rq_cq, IB_CQ_NEXT_COMP); -- atomic_inc(&rdma_stat_rq_poll); -+ atomic_inc_unchecked(&rdma_stat_rq_poll); - - while ((ret = ib_poll_cq(xprt->sc_rq_cq, 1, &wc)) > 0) { - ctxt = (struct svc_rdma_op_ctxt *)(unsigned long)wc.wr_id; -@@ -320,7 +320,7 @@ static void rq_cq_reap(struct svcxprt_rd - } - - if (ctxt) -- atomic_inc(&rdma_stat_rq_prod); -+ atomic_inc_unchecked(&rdma_stat_rq_prod); - - set_bit(XPT_DATA, &xprt->sc_xprt.xpt_flags); - /* -@@ -392,7 +392,7 @@ static void sq_cq_reap(struct svcxprt_rd - return; - - ib_req_notify_cq(xprt->sc_sq_cq, IB_CQ_NEXT_COMP); -- atomic_inc(&rdma_stat_sq_poll); -+ atomic_inc_unchecked(&rdma_stat_sq_poll); - while ((ret = ib_poll_cq(cq, 1, &wc)) > 0) { - if (wc.status != IB_WC_SUCCESS) - /* Close the transport */ -@@ -410,7 +410,7 @@ static void sq_cq_reap(struct svcxprt_rd - } - - if (ctxt) -- atomic_inc(&rdma_stat_sq_prod); -+ atomic_inc_unchecked(&rdma_stat_sq_prod); - } - - static void sq_comp_handler(struct ib_cq *cq, void *cq_context) -@@ -1271,7 +1271,7 @@ int svc_rdma_send(struct svcxprt_rdma *x - spin_lock_bh(&xprt->sc_lock); - if (xprt->sc_sq_depth < atomic_read(&xprt->sc_sq_count) + wr_count) { - spin_unlock_bh(&xprt->sc_lock); -- atomic_inc(&rdma_stat_sq_starve); -+ atomic_inc_unchecked(&rdma_stat_sq_starve); - - /* See if we can opportunistically reap SQ WR to make room */ - sq_cq_reap(xprt); -diff -urNp linux-2.6.39.3/net/sysctl_net.c linux-2.6.39.3/net/sysctl_net.c ---- linux-2.6.39.3/net/sysctl_net.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/sysctl_net.c 2011-05-22 19:41:42.000000000 -0400 -@@ -46,7 +46,7 @@ static int net_ctl_permissions(struct ct - struct ctl_table *table) - { - /* Allow network administrator to have same access as root. */ -- if (capable(CAP_NET_ADMIN)) { -+ if (capable_nolog(CAP_NET_ADMIN)) { - int mode = (table->mode >> 6) & 7; - return (mode << 6) | (mode << 3) | mode; - } -diff -urNp linux-2.6.39.3/net/unix/af_unix.c linux-2.6.39.3/net/unix/af_unix.c ---- linux-2.6.39.3/net/unix/af_unix.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/unix/af_unix.c 2011-07-18 18:16:27.000000000 -0400 -@@ -767,6 +767,12 @@ static struct sock *unix_find_other(stru - err = -ECONNREFUSED; - if (!S_ISSOCK(inode->i_mode)) - goto put_fail; -+ -+ if (!gr_acl_handle_unix(path.dentry, path.mnt)) { -+ err = -EACCES; -+ goto put_fail; -+ } -+ - u = unix_find_socket_byinode(inode); - if (!u) - goto put_fail; -@@ -787,6 +793,13 @@ static struct sock *unix_find_other(stru - if (u) { - struct dentry *dentry; - dentry = unix_sk(u)->dentry; -+ -+ if (!gr_handle_chroot_unix(pid_vnr(u->sk_peer_pid))) { -+ err = -EPERM; -+ sock_put(u); -+ goto fail; -+ } -+ - if (dentry) - touch_atime(unix_sk(u)->mnt, dentry); - } else -@@ -872,11 +885,18 @@ static int unix_bind(struct socket *sock - err = security_path_mknod(&nd.path, dentry, mode, 0); - if (err) - goto out_mknod_drop_write; -+ if (!gr_acl_handle_mknod(dentry, nd.path.dentry, nd.path.mnt, mode)) { -+ err = -EACCES; -+ goto out_mknod_drop_write; -+ } - err = vfs_mknod(nd.path.dentry->d_inode, dentry, mode, 0); - out_mknod_drop_write: - mnt_drop_write(nd.path.mnt); - if (err) - goto out_mknod_dput; -+ -+ gr_handle_create(dentry, nd.path.mnt); -+ - mutex_unlock(&nd.path.dentry->d_inode->i_mutex); - dput(nd.path.dentry); - nd.path.dentry = dentry; -@@ -2255,7 +2275,11 @@ static int unix_seq_show(struct seq_file - unix_state_lock(s); - - seq_printf(seq, "%p: %08X %08X %08X %04X %02X %5lu", -+#ifdef CONFIG_GRKERNSEC_HIDESYM -+ NULL, -+#else - s, -+#endif - atomic_read(&s->sk_refcnt), - 0, - s->sk_state == TCP_LISTEN ? __SO_ACCEPTCON : 0, -diff -urNp linux-2.6.39.3/net/wireless/wext-core.c linux-2.6.39.3/net/wireless/wext-core.c ---- linux-2.6.39.3/net/wireless/wext-core.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/wireless/wext-core.c 2011-05-22 19:36:35.000000000 -0400 -@@ -746,8 +746,7 @@ static int ioctl_standard_iw_point(struc - */ - - /* Support for very large requests */ -- if ((descr->flags & IW_DESCR_FLAG_NOMAX) && -- (user_length > descr->max_tokens)) { -+ if (user_length > descr->max_tokens) { - /* Allow userspace to GET more than max so - * we can support any size GET requests. - * There is still a limit : -ENOMEM. -@@ -784,22 +783,6 @@ static int ioctl_standard_iw_point(struc - } - } - -- if (IW_IS_GET(cmd) && !(descr->flags & IW_DESCR_FLAG_NOMAX)) { -- /* -- * If this is a GET, but not NOMAX, it means that the extra -- * data is not bounded by userspace, but by max_tokens. Thus -- * set the length to max_tokens. This matches the extra data -- * allocation. -- * The driver should fill it with the number of tokens it -- * provided, and it may check iwp->length rather than having -- * knowledge of max_tokens. If the driver doesn't change the -- * iwp->length, this ioctl just copies back max_token tokens -- * filled with zeroes. Hopefully the driver isn't claiming -- * them to be valid data. -- */ -- iwp->length = descr->max_tokens; -- } -- - err = handler(dev, info, (union iwreq_data *) iwp, extra); - - iwp->length += essid_compat; -diff -urNp linux-2.6.39.3/net/xfrm/xfrm_policy.c linux-2.6.39.3/net/xfrm/xfrm_policy.c ---- linux-2.6.39.3/net/xfrm/xfrm_policy.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/xfrm/xfrm_policy.c 2011-05-22 19:36:35.000000000 -0400 -@@ -299,7 +299,7 @@ static void xfrm_policy_kill(struct xfrm - { - policy->walk.dead = 1; - -- atomic_inc(&policy->genid); -+ atomic_inc_unchecked(&policy->genid); - - if (del_timer(&policy->timer)) - xfrm_pol_put(policy); -@@ -583,7 +583,7 @@ int xfrm_policy_insert(int dir, struct x - hlist_add_head(&policy->bydst, chain); - xfrm_pol_hold(policy); - net->xfrm.policy_count[dir]++; -- atomic_inc(&flow_cache_genid); -+ atomic_inc_unchecked(&flow_cache_genid); - if (delpol) - __xfrm_policy_unlink(delpol, dir); - policy->index = delpol ? delpol->index : xfrm_gen_index(net, dir); -@@ -1527,7 +1527,7 @@ free_dst: - goto out; - } - --static int inline -+static inline int - xfrm_dst_alloc_copy(void **target, const void *src, int size) - { - if (!*target) { -@@ -1539,7 +1539,7 @@ xfrm_dst_alloc_copy(void **target, const - return 0; - } - --static int inline -+static inline int - xfrm_dst_update_parent(struct dst_entry *dst, const struct xfrm_selector *sel) - { - #ifdef CONFIG_XFRM_SUB_POLICY -@@ -1551,7 +1551,7 @@ xfrm_dst_update_parent(struct dst_entry - #endif - } - --static int inline -+static inline int - xfrm_dst_update_origin(struct dst_entry *dst, const struct flowi *fl) - { - #ifdef CONFIG_XFRM_SUB_POLICY -@@ -1645,7 +1645,7 @@ xfrm_resolve_and_create_bundle(struct xf - - xdst->num_pols = num_pols; - memcpy(xdst->pols, pols, sizeof(struct xfrm_policy*) * num_pols); -- xdst->policy_genid = atomic_read(&pols[0]->genid); -+ xdst->policy_genid = atomic_read_unchecked(&pols[0]->genid); - - return xdst; - } -@@ -2332,7 +2332,7 @@ static int xfrm_bundle_ok(struct xfrm_ds - if (xdst->xfrm_genid != dst->xfrm->genid) - return 0; - if (xdst->num_pols > 0 && -- xdst->policy_genid != atomic_read(&xdst->pols[0]->genid)) -+ xdst->policy_genid != atomic_read_unchecked(&xdst->pols[0]->genid)) - return 0; - - mtu = dst_mtu(dst->child); -@@ -2860,7 +2860,7 @@ static int xfrm_policy_migrate(struct xf - sizeof(pol->xfrm_vec[i].saddr)); - pol->xfrm_vec[i].encap_family = mp->new_family; - /* flush bundles */ -- atomic_inc(&pol->genid); -+ atomic_inc_unchecked(&pol->genid); - } - } - -diff -urNp linux-2.6.39.3/net/xfrm/xfrm_user.c linux-2.6.39.3/net/xfrm/xfrm_user.c ---- linux-2.6.39.3/net/xfrm/xfrm_user.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/net/xfrm/xfrm_user.c 2011-05-22 19:36:35.000000000 -0400 -@@ -1394,6 +1394,8 @@ static int copy_to_user_tmpl(struct xfrm - struct xfrm_user_tmpl vec[XFRM_MAX_DEPTH]; - int i; - -+ pax_track_stack(); -+ - if (xp->xfrm_nr == 0) - return 0; - -@@ -2062,6 +2064,8 @@ static int xfrm_do_migrate(struct sk_buf - int err; - int n = 0; - -+ pax_track_stack(); -+ - if (attrs[XFRMA_MIGRATE] == NULL) - return -EINVAL; - -diff -urNp linux-2.6.39.3/scripts/basic/fixdep.c linux-2.6.39.3/scripts/basic/fixdep.c ---- linux-2.6.39.3/scripts/basic/fixdep.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/scripts/basic/fixdep.c 2011-05-22 19:36:35.000000000 -0400 -@@ -235,9 +235,9 @@ static void use_config(const char *m, in - - static void parse_config_file(const char *map, size_t len) - { -- const int *end = (const int *) (map + len); -+ const unsigned int *end = (const unsigned int *) (map + len); - /* start at +1, so that p can never be < map */ -- const int *m = (const int *) map + 1; -+ const unsigned int *m = (const unsigned int *) map + 1; - const char *p, *q; - - for (; m < end; m++) { -@@ -405,7 +405,7 @@ static void print_deps(void) - static void traps(void) - { - static char test[] __attribute__((aligned(sizeof(int)))) = "CONF"; -- int *p = (int *)test; -+ unsigned int *p = (unsigned int *)test; - - if (*p != INT_CONF) { - fprintf(stderr, "fixdep: sizeof(int) != 4 or wrong endianess? %#x\n", -diff -urNp linux-2.6.39.3/scripts/dtc/flattree.c linux-2.6.39.3/scripts/dtc/flattree.c ---- linux-2.6.39.3/scripts/dtc/flattree.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/scripts/dtc/flattree.c 2011-05-22 19:36:35.000000000 -0400 -@@ -104,7 +104,7 @@ static void bin_emit_property(void *e, s - bin_emit_cell(e, FDT_PROP); - } - --static struct emitter bin_emitter = { -+static const struct emitter bin_emitter = { - .cell = bin_emit_cell, - .string = bin_emit_string, - .align = bin_emit_align, -@@ -230,7 +230,7 @@ static void asm_emit_property(void *e, s - asm_emit_cell(e, FDT_PROP); - } - --static struct emitter asm_emitter = { -+static const struct emitter asm_emitter = { - .cell = asm_emit_cell, - .string = asm_emit_string, - .align = asm_emit_align, -diff -urNp linux-2.6.39.3/scripts/Makefile.build linux-2.6.39.3/scripts/Makefile.build ---- linux-2.6.39.3/scripts/Makefile.build 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/scripts/Makefile.build 2011-06-03 01:15:00.000000000 -0400 -@@ -93,7 +93,7 @@ endif - endif - - # Do not include host rules unless needed --ifneq ($(hostprogs-y)$(hostprogs-m),) -+ifneq ($(hostprogs-y)$(hostprogs-m)$(hostlibs-y)$(hostlibs-m),) - include scripts/Makefile.host - endif - -diff -urNp linux-2.6.39.3/scripts/Makefile.clean linux-2.6.39.3/scripts/Makefile.clean ---- linux-2.6.39.3/scripts/Makefile.clean 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/scripts/Makefile.clean 2011-06-03 01:16:02.000000000 -0400 -@@ -43,7 +43,8 @@ subdir-ymn := $(addprefix $(obj)/,$(subd - __clean-files := $(extra-y) $(always) \ - $(targets) $(clean-files) \ - $(host-progs) \ -- $(hostprogs-y) $(hostprogs-m) $(hostprogs-) -+ $(hostprogs-y) $(hostprogs-m) $(hostprogs-) \ -+ $(hostlibs-y) $(hostlibs-m) $(hostlibs-) - - __clean-files := $(filter-out $(no-clean-files), $(__clean-files)) - -diff -urNp linux-2.6.39.3/scripts/Makefile.host linux-2.6.39.3/scripts/Makefile.host ---- linux-2.6.39.3/scripts/Makefile.host 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/scripts/Makefile.host 2011-06-03 01:17:12.000000000 -0400 -@@ -31,6 +31,7 @@ - # Note: Shared libraries consisting of C++ files are not supported - - __hostprogs := $(sort $(hostprogs-y) $(hostprogs-m)) -+__hostlibs := $(sort $(hostlibs-y) $(hostlibs-m)) - - # C code - # Executables compiled from a single .c file -@@ -54,6 +55,7 @@ host-cxxobjs := $(sort $(foreach m,$(hos - # Shared libaries (only .c supported) - # Shared libraries (.so) - all .so files referenced in "xxx-objs" - host-cshlib := $(sort $(filter %.so, $(host-cobjs))) -+host-cshlib += $(sort $(filter %.so, $(__hostlibs))) - # Remove .so files from "xxx-objs" - host-cobjs := $(filter-out %.so,$(host-cobjs)) - -diff -urNp linux-2.6.39.3/scripts/mod/file2alias.c linux-2.6.39.3/scripts/mod/file2alias.c ---- linux-2.6.39.3/scripts/mod/file2alias.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/scripts/mod/file2alias.c 2011-05-22 19:36:35.000000000 -0400 -@@ -72,7 +72,7 @@ static void device_id_check(const char * - unsigned long size, unsigned long id_size, - void *symval) - { -- int i; -+ unsigned int i; - - if (size % id_size || size < id_size) { - if (cross_build != 0) -@@ -102,7 +102,7 @@ static void device_id_check(const char * - /* USB is special because the bcdDevice can be matched against a numeric range */ - /* Looks like "usb:vNpNdNdcNdscNdpNicNiscNipN" */ - static void do_usb_entry(struct usb_device_id *id, -- unsigned int bcdDevice_initial, int bcdDevice_initial_digits, -+ unsigned int bcdDevice_initial, unsigned int bcdDevice_initial_digits, - unsigned char range_lo, unsigned char range_hi, - unsigned char max, struct module *mod) - { -@@ -437,7 +437,7 @@ static void do_pnp_device_entry(void *sy - for (i = 0; i < count; i++) { - const char *id = (char *)devs[i].id; - char acpi_id[sizeof(devs[0].id)]; -- int j; -+ unsigned int j; - - buf_printf(&mod->dev_table_buf, - "MODULE_ALIAS(\"pnp:d%s*\");\n", id); -@@ -467,7 +467,7 @@ static void do_pnp_card_entries(void *sy - - for (j = 0; j < PNP_MAX_DEVICES; j++) { - const char *id = (char *)card->devs[j].id; -- int i2, j2; -+ unsigned int i2, j2; - int dup = 0; - - if (!id[0]) -@@ -493,7 +493,7 @@ static void do_pnp_card_entries(void *sy - /* add an individual alias for every device entry */ - if (!dup) { - char acpi_id[sizeof(card->devs[0].id)]; -- int k; -+ unsigned int k; - - buf_printf(&mod->dev_table_buf, - "MODULE_ALIAS(\"pnp:d%s*\");\n", id); -@@ -768,7 +768,7 @@ static void dmi_ascii_filter(char *d, co - static int do_dmi_entry(const char *filename, struct dmi_system_id *id, - char *alias) - { -- int i, j; -+ unsigned int i, j; - - sprintf(alias, "dmi*"); - -diff -urNp linux-2.6.39.3/scripts/mod/modpost.c linux-2.6.39.3/scripts/mod/modpost.c ---- linux-2.6.39.3/scripts/mod/modpost.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/scripts/mod/modpost.c 2011-07-06 20:00:13.000000000 -0400 -@@ -896,6 +896,7 @@ enum mismatch { - ANY_INIT_TO_ANY_EXIT, - ANY_EXIT_TO_ANY_INIT, - EXPORT_TO_INIT_EXIT, -+ DATA_TO_TEXT - }; - - struct sectioncheck { -@@ -1004,6 +1005,12 @@ const struct sectioncheck sectioncheck[] - .tosec = { INIT_SECTIONS, EXIT_SECTIONS, NULL }, - .mismatch = EXPORT_TO_INIT_EXIT, - .symbol_white_list = { DEFAULT_SYMBOL_WHITE_LIST, NULL }, -+}, -+/* Do not reference code from writable data */ -+{ -+ .fromsec = { DATA_SECTIONS, NULL }, -+ .tosec = { TEXT_SECTIONS, NULL }, -+ .mismatch = DATA_TO_TEXT - } - }; - -@@ -1126,10 +1133,10 @@ static Elf_Sym *find_elf_symbol(struct e - continue; - if (ELF_ST_TYPE(sym->st_info) == STT_SECTION) - continue; -- if (sym->st_value == addr) -- return sym; - /* Find a symbol nearby - addr are maybe negative */ - d = sym->st_value - addr; -+ if (d == 0) -+ return sym; - if (d < 0) - d = addr - sym->st_value; - if (d < distance) { -@@ -1408,6 +1415,14 @@ static void report_sec_mismatch(const ch - tosym, prl_to, prl_to, tosym); - free(prl_to); - break; -+ case DATA_TO_TEXT: -+/* -+ fprintf(stderr, -+ "The variable %s references\n" -+ "the %s %s%s%s\n", -+ fromsym, to, sec2annotation(tosec), tosym, to_p); -+*/ -+ break; - } - fprintf(stderr, "\n"); - } -@@ -1633,7 +1648,7 @@ static void section_rel(const char *modn - static void check_sec_ref(struct module *mod, const char *modname, - struct elf_info *elf) - { -- int i; -+ unsigned int i; - Elf_Shdr *sechdrs = elf->sechdrs; - - /* Walk through all sections */ -@@ -1731,7 +1746,7 @@ void __attribute__((format(printf, 2, 3) - va_end(ap); - } - --void buf_write(struct buffer *buf, const char *s, int len) -+void buf_write(struct buffer *buf, const char *s, unsigned int len) - { - if (buf->size - buf->pos < len) { - buf->size += len + SZ; -@@ -1943,7 +1958,7 @@ static void write_if_changed(struct buff - if (fstat(fileno(file), &st) < 0) - goto close_write; - -- if (st.st_size != b->pos) -+ if (st.st_size != (off_t)b->pos) - goto close_write; - - tmp = NOFAIL(malloc(b->pos)); -diff -urNp linux-2.6.39.3/scripts/mod/modpost.h linux-2.6.39.3/scripts/mod/modpost.h ---- linux-2.6.39.3/scripts/mod/modpost.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/scripts/mod/modpost.h 2011-05-22 19:36:35.000000000 -0400 -@@ -92,15 +92,15 @@ void *do_nofail(void *ptr, const char *e - - struct buffer { - char *p; -- int pos; -- int size; -+ unsigned int pos; -+ unsigned int size; - }; - - void __attribute__((format(printf, 2, 3))) - buf_printf(struct buffer *buf, const char *fmt, ...); - - void --buf_write(struct buffer *buf, const char *s, int len); -+buf_write(struct buffer *buf, const char *s, unsigned int len); - - struct module { - struct module *next; -diff -urNp linux-2.6.39.3/scripts/mod/sumversion.c linux-2.6.39.3/scripts/mod/sumversion.c ---- linux-2.6.39.3/scripts/mod/sumversion.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/scripts/mod/sumversion.c 2011-05-22 19:36:35.000000000 -0400 -@@ -470,7 +470,7 @@ static void write_version(const char *fi - goto out; - } - -- if (write(fd, sum, strlen(sum)+1) != strlen(sum)+1) { -+ if (write(fd, sum, strlen(sum)+1) != (ssize_t)strlen(sum)+1) { - warn("writing sum in %s failed: %s\n", - filename, strerror(errno)); - goto out; -diff -urNp linux-2.6.39.3/scripts/pnmtologo.c linux-2.6.39.3/scripts/pnmtologo.c ---- linux-2.6.39.3/scripts/pnmtologo.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/scripts/pnmtologo.c 2011-05-22 19:36:35.000000000 -0400 -@@ -237,14 +237,14 @@ static void write_header(void) - fprintf(out, " * Linux logo %s\n", logoname); - fputs(" */\n\n", out); - fputs("#include <linux/linux_logo.h>\n\n", out); -- fprintf(out, "static unsigned char %s_data[] __initdata = {\n", -+ fprintf(out, "static unsigned char %s_data[] = {\n", - logoname); - } - - static void write_footer(void) - { - fputs("\n};\n\n", out); -- fprintf(out, "const struct linux_logo %s __initconst = {\n", logoname); -+ fprintf(out, "const struct linux_logo %s = {\n", logoname); - fprintf(out, "\t.type\t\t= %s,\n", logo_types[logo_type]); - fprintf(out, "\t.width\t\t= %d,\n", logo_width); - fprintf(out, "\t.height\t\t= %d,\n", logo_height); -@@ -374,7 +374,7 @@ static void write_logo_clut224(void) - fputs("\n};\n\n", out); - - /* write logo clut */ -- fprintf(out, "static unsigned char %s_clut[] __initdata = {\n", -+ fprintf(out, "static unsigned char %s_clut[] = {\n", - logoname); - write_hex_cnt = 0; - for (i = 0; i < logo_clutsize; i++) { -diff -urNp linux-2.6.39.3/security/apparmor/lsm.c linux-2.6.39.3/security/apparmor/lsm.c ---- linux-2.6.39.3/security/apparmor/lsm.c 2011-06-25 12:55:23.000000000 -0400 -+++ linux-2.6.39.3/security/apparmor/lsm.c 2011-06-25 13:00:28.000000000 -0400 -@@ -621,7 +621,7 @@ static int apparmor_task_setrlimit(struc - return error; - } - --static struct security_operations apparmor_ops = { -+static struct security_operations apparmor_ops __read_only = { - .name = "apparmor", - - .ptrace_access_check = apparmor_ptrace_access_check, -@@ -672,7 +672,7 @@ static struct security_operations apparm - static int param_set_aabool(const char *val, const struct kernel_param *kp); - static int param_get_aabool(char *buffer, const struct kernel_param *kp); - #define param_check_aabool(name, p) __param_check(name, p, int) --static struct kernel_param_ops param_ops_aabool = { -+static const struct kernel_param_ops param_ops_aabool = { - .set = param_set_aabool, - .get = param_get_aabool - }; -@@ -680,7 +680,7 @@ static struct kernel_param_ops param_ops - static int param_set_aauint(const char *val, const struct kernel_param *kp); - static int param_get_aauint(char *buffer, const struct kernel_param *kp); - #define param_check_aauint(name, p) __param_check(name, p, int) --static struct kernel_param_ops param_ops_aauint = { -+static const struct kernel_param_ops param_ops_aauint = { - .set = param_set_aauint, - .get = param_get_aauint - }; -@@ -688,7 +688,7 @@ static struct kernel_param_ops param_ops - static int param_set_aalockpolicy(const char *val, const struct kernel_param *kp); - static int param_get_aalockpolicy(char *buffer, const struct kernel_param *kp); - #define param_check_aalockpolicy(name, p) __param_check(name, p, int) --static struct kernel_param_ops param_ops_aalockpolicy = { -+static const struct kernel_param_ops param_ops_aalockpolicy = { - .set = param_set_aalockpolicy, - .get = param_get_aalockpolicy - }; -diff -urNp linux-2.6.39.3/security/commoncap.c linux-2.6.39.3/security/commoncap.c ---- linux-2.6.39.3/security/commoncap.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/security/commoncap.c 2011-05-22 20:28:59.000000000 -0400 -@@ -28,6 +28,7 @@ - #include <linux/prctl.h> - #include <linux/securebits.h> - #include <linux/user_namespace.h> -+#include <net/sock.h> - - /* - * If a non-root user executes a setuid-root binary in -@@ -58,7 +59,7 @@ int cap_netlink_send(struct sock *sk, st - - int cap_netlink_recv(struct sk_buff *skb, int cap) - { -- if (!cap_raised(current_cap(), cap)) -+ if (!cap_raised(current_cap(), cap) || !gr_is_capable(cap)) - return -EPERM; - return 0; - } -@@ -580,6 +581,9 @@ int cap_bprm_secureexec(struct linux_bin - { - const struct cred *cred = current_cred(); - -+ if (gr_acl_enable_at_secure()) -+ return 1; -+ - if (cred->uid != 0) { - if (bprm->cap_effective) - return 1; -diff -urNp linux-2.6.39.3/security/integrity/ima/ima_api.c linux-2.6.39.3/security/integrity/ima/ima_api.c ---- linux-2.6.39.3/security/integrity/ima/ima_api.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/security/integrity/ima/ima_api.c 2011-05-22 19:36:35.000000000 -0400 -@@ -75,7 +75,7 @@ void ima_add_violation(struct inode *ino - int result; - - /* can overflow, only indicator */ -- atomic_long_inc(&ima_htable.violations); -+ atomic_long_inc_unchecked(&ima_htable.violations); - - entry = kmalloc(sizeof(*entry), GFP_KERNEL); - if (!entry) { -diff -urNp linux-2.6.39.3/security/integrity/ima/ima_fs.c linux-2.6.39.3/security/integrity/ima/ima_fs.c ---- linux-2.6.39.3/security/integrity/ima/ima_fs.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/security/integrity/ima/ima_fs.c 2011-05-22 19:36:35.000000000 -0400 -@@ -28,12 +28,12 @@ - static int valid_policy = 1; - #define TMPBUFLEN 12 - static ssize_t ima_show_htable_value(char __user *buf, size_t count, -- loff_t *ppos, atomic_long_t *val) -+ loff_t *ppos, atomic_long_unchecked_t *val) - { - char tmpbuf[TMPBUFLEN]; - ssize_t len; - -- len = scnprintf(tmpbuf, TMPBUFLEN, "%li\n", atomic_long_read(val)); -+ len = scnprintf(tmpbuf, TMPBUFLEN, "%li\n", atomic_long_read_unchecked(val)); - return simple_read_from_buffer(buf, count, ppos, tmpbuf, len); - } - -diff -urNp linux-2.6.39.3/security/integrity/ima/ima.h linux-2.6.39.3/security/integrity/ima/ima.h ---- linux-2.6.39.3/security/integrity/ima/ima.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/security/integrity/ima/ima.h 2011-05-22 19:36:35.000000000 -0400 -@@ -85,8 +85,8 @@ void ima_add_violation(struct inode *ino - extern spinlock_t ima_queue_lock; - - struct ima_h_table { -- atomic_long_t len; /* number of stored measurements in the list */ -- atomic_long_t violations; -+ atomic_long_unchecked_t len; /* number of stored measurements in the list */ -+ atomic_long_unchecked_t violations; - struct hlist_head queue[IMA_MEASURE_HTABLE_SIZE]; - }; - extern struct ima_h_table ima_htable; -diff -urNp linux-2.6.39.3/security/integrity/ima/ima_queue.c linux-2.6.39.3/security/integrity/ima/ima_queue.c ---- linux-2.6.39.3/security/integrity/ima/ima_queue.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/security/integrity/ima/ima_queue.c 2011-05-22 19:36:35.000000000 -0400 -@@ -79,7 +79,7 @@ static int ima_add_digest_entry(struct i - INIT_LIST_HEAD(&qe->later); - list_add_tail_rcu(&qe->later, &ima_measurements); - -- atomic_long_inc(&ima_htable.len); -+ atomic_long_inc_unchecked(&ima_htable.len); - key = ima_hash_key(entry->digest); - hlist_add_head_rcu(&qe->hnext, &ima_htable.queue[key]); - return 0; -diff -urNp linux-2.6.39.3/security/Kconfig linux-2.6.39.3/security/Kconfig ---- linux-2.6.39.3/security/Kconfig 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/security/Kconfig 2011-07-06 19:58:46.000000000 -0400 -@@ -4,6 +4,554 @@ - - menu "Security options" - -+source grsecurity/Kconfig -+ -+menu "PaX" -+ -+ config ARCH_TRACK_EXEC_LIMIT -+ bool -+ -+ config PAX_PER_CPU_PGD -+ bool -+ -+ config TASK_SIZE_MAX_SHIFT -+ int -+ depends on X86_64 -+ default 47 if !PAX_PER_CPU_PGD -+ default 42 if PAX_PER_CPU_PGD -+ -+ config PAX_ENABLE_PAE -+ bool -+ default y if (X86_32 && (MPENTIUM4 || MK8 || MPSC || MCORE2 || MATOM)) -+ -+config PAX -+ bool "Enable various PaX features" -+ depends on GRKERNSEC && (ALPHA || ARM || AVR32 || IA64 || MIPS || PARISC || PPC || SPARC || X86) -+ help -+ This allows you to enable various PaX features. PaX adds -+ intrusion prevention mechanisms to the kernel that reduce -+ the risks posed by exploitable memory corruption bugs. -+ -+menu "PaX Control" -+ depends on PAX -+ -+config PAX_SOFTMODE -+ bool 'Support soft mode' -+ select PAX_PT_PAX_FLAGS -+ help -+ Enabling this option will allow you to run PaX in soft mode, that -+ is, PaX features will not be enforced by default, only on executables -+ marked explicitly. You must also enable PT_PAX_FLAGS support as it -+ is the only way to mark executables for soft mode use. -+ -+ Soft mode can be activated by using the "pax_softmode=1" kernel command -+ line option on boot. Furthermore you can control various PaX features -+ at runtime via the entries in /proc/sys/kernel/pax. -+ -+config PAX_EI_PAX -+ bool 'Use legacy ELF header marking' -+ help -+ Enabling this option will allow you to control PaX features on -+ a per executable basis via the 'chpax' utility available at -+ http://pax.grsecurity.net/. The control flags will be read from -+ an otherwise reserved part of the ELF header. This marking has -+ numerous drawbacks (no support for soft-mode, toolchain does not -+ know about the non-standard use of the ELF header) therefore it -+ has been deprecated in favour of PT_PAX_FLAGS support. -+ -+ Note that if you enable PT_PAX_FLAGS marking support as well, -+ the PT_PAX_FLAG marks will override the legacy EI_PAX marks. -+ -+config PAX_PT_PAX_FLAGS -+ bool 'Use ELF program header marking' -+ help -+ Enabling this option will allow you to control PaX features on -+ a per executable basis via the 'paxctl' utility available at -+ http://pax.grsecurity.net/. The control flags will be read from -+ a PaX specific ELF program header (PT_PAX_FLAGS). This marking -+ has the benefits of supporting both soft mode and being fully -+ integrated into the toolchain (the binutils patch is available -+ from http://pax.grsecurity.net). -+ -+ If your toolchain does not support PT_PAX_FLAGS markings, -+ you can create one in most cases with 'paxctl -C'. -+ -+ Note that if you enable the legacy EI_PAX marking support as well, -+ the EI_PAX marks will be overridden by the PT_PAX_FLAGS marks. -+ -+choice -+ prompt 'MAC system integration' -+ default PAX_HAVE_ACL_FLAGS -+ help -+ Mandatory Access Control systems have the option of controlling -+ PaX flags on a per executable basis, choose the method supported -+ by your particular system. -+ -+ - "none": if your MAC system does not interact with PaX, -+ - "direct": if your MAC system defines pax_set_initial_flags() itself, -+ - "hook": if your MAC system uses the pax_set_initial_flags_func callback. -+ -+ NOTE: this option is for developers/integrators only. -+ -+ config PAX_NO_ACL_FLAGS -+ bool 'none' -+ -+ config PAX_HAVE_ACL_FLAGS -+ bool 'direct' -+ -+ config PAX_HOOK_ACL_FLAGS -+ bool 'hook' -+endchoice -+ -+endmenu -+ -+menu "Non-executable pages" -+ depends on PAX -+ -+config PAX_NOEXEC -+ bool "Enforce non-executable pages" -+ depends on (PAX_EI_PAX || PAX_PT_PAX_FLAGS || PAX_HAVE_ACL_FLAGS || PAX_HOOK_ACL_FLAGS) && (ALPHA || (ARM && (CPU_V6 || CPU_V7)) || IA64 || MIPS || PARISC || PPC || S390 || SPARC || X86) -+ help -+ By design some architectures do not allow for protecting memory -+ pages against execution or even if they do, Linux does not make -+ use of this feature. In practice this means that if a page is -+ readable (such as the stack or heap) it is also executable. -+ -+ There is a well known exploit technique that makes use of this -+ fact and a common programming mistake where an attacker can -+ introduce code of his choice somewhere in the attacked program's -+ memory (typically the stack or the heap) and then execute it. -+ -+ If the attacked program was running with different (typically -+ higher) privileges than that of the attacker, then he can elevate -+ his own privilege level (e.g. get a root shell, write to files for -+ which he does not have write access to, etc). -+ -+ Enabling this option will let you choose from various features -+ that prevent the injection and execution of 'foreign' code in -+ a program. -+ -+ This will also break programs that rely on the old behaviour and -+ expect that dynamically allocated memory via the malloc() family -+ of functions is executable (which it is not). Notable examples -+ are the XFree86 4.x server, the java runtime and wine. -+ -+config PAX_PAGEEXEC -+ bool "Paging based non-executable pages" -+ depends on PAX_NOEXEC && (!X86_32 || M586 || M586TSC || M586MMX || M686 || MPENTIUMII || MPENTIUMIII || MPENTIUMM || MCORE2 || MATOM || MPENTIUM4 || MPSC || MK7 || MK8 || MWINCHIPC6 || MWINCHIP2 || MWINCHIP3D || MVIAC3_2 || MVIAC7) -+ select S390_SWITCH_AMODE if S390 -+ select S390_EXEC_PROTECT if S390 -+ select ARCH_TRACK_EXEC_LIMIT if X86_32 -+ help -+ This implementation is based on the paging feature of the CPU. -+ On i386 without hardware non-executable bit support there is a -+ variable but usually low performance impact, however on Intel's -+ P4 core based CPUs it is very high so you should not enable this -+ for kernels meant to be used on such CPUs. -+ -+ On alpha, avr32, ia64, parisc, sparc, sparc64, x86_64 and i386 -+ with hardware non-executable bit support there is no performance -+ impact, on ppc the impact is negligible. -+ -+ Note that several architectures require various emulations due to -+ badly designed userland ABIs, this will cause a performance impact -+ but will disappear as soon as userland is fixed. For example, ppc -+ userland MUST have been built with secure-plt by a recent toolchain. -+ -+config PAX_SEGMEXEC -+ bool "Segmentation based non-executable pages" -+ depends on PAX_NOEXEC && X86_32 -+ help -+ This implementation is based on the segmentation feature of the -+ CPU and has a very small performance impact, however applications -+ will be limited to a 1.5 GB address space instead of the normal -+ 3 GB. -+ -+config PAX_EMUTRAMP -+ bool "Emulate trampolines" if (PAX_PAGEEXEC || PAX_SEGMEXEC) && (PARISC || X86) -+ default y if PARISC -+ help -+ There are some programs and libraries that for one reason or -+ another attempt to execute special small code snippets from -+ non-executable memory pages. Most notable examples are the -+ signal handler return code generated by the kernel itself and -+ the GCC trampolines. -+ -+ If you enabled CONFIG_PAX_PAGEEXEC or CONFIG_PAX_SEGMEXEC then -+ such programs will no longer work under your kernel. -+ -+ As a remedy you can say Y here and use the 'chpax' or 'paxctl' -+ utilities to enable trampoline emulation for the affected programs -+ yet still have the protection provided by the non-executable pages. -+ -+ On parisc you MUST enable this option and EMUSIGRT as well, otherwise -+ your system will not even boot. -+ -+ Alternatively you can say N here and use the 'chpax' or 'paxctl' -+ utilities to disable CONFIG_PAX_PAGEEXEC and CONFIG_PAX_SEGMEXEC -+ for the affected files. -+ -+ NOTE: enabling this feature *may* open up a loophole in the -+ protection provided by non-executable pages that an attacker -+ could abuse. Therefore the best solution is to not have any -+ files on your system that would require this option. This can -+ be achieved by not using libc5 (which relies on the kernel -+ signal handler return code) and not using or rewriting programs -+ that make use of the nested function implementation of GCC. -+ Skilled users can just fix GCC itself so that it implements -+ nested function calls in a way that does not interfere with PaX. -+ -+config PAX_EMUSIGRT -+ bool "Automatically emulate sigreturn trampolines" -+ depends on PAX_EMUTRAMP && PARISC -+ default y -+ help -+ Enabling this option will have the kernel automatically detect -+ and emulate signal return trampolines executing on the stack -+ that would otherwise lead to task termination. -+ -+ This solution is intended as a temporary one for users with -+ legacy versions of libc (libc5, glibc 2.0, uClibc before 0.9.17, -+ Modula-3 runtime, etc) or executables linked to such, basically -+ everything that does not specify its own SA_RESTORER function in -+ normal executable memory like glibc 2.1+ does. -+ -+ On parisc you MUST enable this option, otherwise your system will -+ not even boot. -+ -+ NOTE: this feature cannot be disabled on a per executable basis -+ and since it *does* open up a loophole in the protection provided -+ by non-executable pages, the best solution is to not have any -+ files on your system that would require this option. -+ -+config PAX_MPROTECT -+ bool "Restrict mprotect()" -+ depends on (PAX_PAGEEXEC || PAX_SEGMEXEC) -+ help -+ Enabling this option will prevent programs from -+ - changing the executable status of memory pages that were -+ not originally created as executable, -+ - making read-only executable pages writable again, -+ - creating executable pages from anonymous memory, -+ - making read-only-after-relocations (RELRO) data pages writable again. -+ -+ You should say Y here to complete the protection provided by -+ the enforcement of non-executable pages. -+ -+ NOTE: you can use the 'chpax' or 'paxctl' utilities to control -+ this feature on a per file basis. -+ -+config PAX_MPROTECT_COMPAT -+ bool "Use legacy/compat protection demoting (read help)" -+ depends on PAX_MPROTECT -+ default n -+ help -+ The current implementation of PAX_MPROTECT denies RWX allocations/mprotects -+ by sending the proper error code to the application. For some broken -+ userland, this can cause problems with Python or other applications. The -+ current implementation however allows for applications like clamav to -+ detect if JIT compilation/execution is allowed and to fall back gracefully -+ to an interpreter-based mode if it does not. While we encourage everyone -+ to use the current implementation as-is and push upstream to fix broken -+ userland (note that the RWX logging option can assist with this), in some -+ environments this may not be possible. Having to disable MPROTECT -+ completely on certain binaries reduces the security benefit of PaX, -+ so this option is provided for those environments to revert to the old -+ behavior. -+ -+config PAX_ELFRELOCS -+ bool "Allow ELF text relocations (read help)" -+ depends on PAX_MPROTECT -+ default n -+ help -+ Non-executable pages and mprotect() restrictions are effective -+ in preventing the introduction of new executable code into an -+ attacked task's address space. There remain only two venues -+ for this kind of attack: if the attacker can execute already -+ existing code in the attacked task then he can either have it -+ create and mmap() a file containing his code or have it mmap() -+ an already existing ELF library that does not have position -+ independent code in it and use mprotect() on it to make it -+ writable and copy his code there. While protecting against -+ the former approach is beyond PaX, the latter can be prevented -+ by having only PIC ELF libraries on one's system (which do not -+ need to relocate their code). If you are sure this is your case, -+ as is the case with all modern Linux distributions, then leave -+ this option disabled. You should say 'n' here. -+ -+config PAX_ETEXECRELOCS -+ bool "Allow ELF ET_EXEC text relocations" -+ depends on PAX_MPROTECT && (ALPHA || IA64 || PARISC) -+ select PAX_ELFRELOCS -+ default y -+ help -+ On some architectures there are incorrectly created applications -+ that require text relocations and would not work without enabling -+ this option. If you are an alpha, ia64 or parisc user, you should -+ enable this option and disable it once you have made sure that -+ none of your applications need it. -+ -+config PAX_EMUPLT -+ bool "Automatically emulate ELF PLT" -+ depends on PAX_MPROTECT && (ALPHA || PARISC || SPARC) -+ default y -+ help -+ Enabling this option will have the kernel automatically detect -+ and emulate the Procedure Linkage Table entries in ELF files. -+ On some architectures such entries are in writable memory, and -+ become non-executable leading to task termination. Therefore -+ it is mandatory that you enable this option on alpha, parisc, -+ sparc and sparc64, otherwise your system would not even boot. -+ -+ NOTE: this feature *does* open up a loophole in the protection -+ provided by the non-executable pages, therefore the proper -+ solution is to modify the toolchain to produce a PLT that does -+ not need to be writable. -+ -+config PAX_DLRESOLVE -+ bool 'Emulate old glibc resolver stub' -+ depends on PAX_EMUPLT && SPARC -+ default n -+ help -+ This option is needed if userland has an old glibc (before 2.4) -+ that puts a 'save' instruction into the runtime generated resolver -+ stub that needs special emulation. -+ -+config PAX_KERNEXEC -+ bool "Enforce non-executable kernel pages" -+ depends on PAX_NOEXEC && (PPC || X86) && (!X86_32 || X86_WP_WORKS_OK) && !XEN -+ select PAX_PER_CPU_PGD if X86_64 || (X86_32 && X86_PAE) -+ help -+ This is the kernel land equivalent of PAGEEXEC and MPROTECT, -+ that is, enabling this option will make it harder to inject -+ and execute 'foreign' code in kernel memory itself. -+ -+ Note that on x86_64 kernels there is a known regression when -+ this feature and KVM/VMX are both enabled in the host kernel. -+ -+config PAX_KERNEXEC_MODULE_TEXT -+ int "Minimum amount of memory reserved for module code" -+ default "4" -+ depends on PAX_KERNEXEC && X86_32 && MODULES -+ help -+ Due to implementation details the kernel must reserve a fixed -+ amount of memory for module code at compile time that cannot be -+ changed at runtime. Here you can specify the minimum amount -+ in MB that will be reserved. Due to the same implementation -+ details this size will always be rounded up to the next 2/4 MB -+ boundary (depends on PAE) so the actually available memory for -+ module code will usually be more than this minimum. -+ -+ The default 4 MB should be enough for most users but if you have -+ an excessive number of modules (e.g., most distribution configs -+ compile many drivers as modules) or use huge modules such as -+ nvidia's kernel driver, you will need to adjust this amount. -+ A good rule of thumb is to look at your currently loaded kernel -+ modules and add up their sizes. -+ -+endmenu -+ -+menu "Address Space Layout Randomization" -+ depends on PAX -+ -+config PAX_ASLR -+ bool "Address Space Layout Randomization" -+ depends on PAX_EI_PAX || PAX_PT_PAX_FLAGS || PAX_HAVE_ACL_FLAGS || PAX_HOOK_ACL_FLAGS -+ help -+ Many if not most exploit techniques rely on the knowledge of -+ certain addresses in the attacked program. The following options -+ will allow the kernel to apply a certain amount of randomization -+ to specific parts of the program thereby forcing an attacker to -+ guess them in most cases. Any failed guess will most likely crash -+ the attacked program which allows the kernel to detect such attempts -+ and react on them. PaX itself provides no reaction mechanisms, -+ instead it is strongly encouraged that you make use of Nergal's -+ segvguard (ftp://ftp.pl.openwall.com/misc/segvguard/) or grsecurity's -+ (http://www.grsecurity.net/) built-in crash detection features or -+ develop one yourself. -+ -+ By saying Y here you can choose to randomize the following areas: -+ - top of the task's kernel stack -+ - top of the task's userland stack -+ - base address for mmap() requests that do not specify one -+ (this includes all libraries) -+ - base address of the main executable -+ -+ It is strongly recommended to say Y here as address space layout -+ randomization has negligible impact on performance yet it provides -+ a very effective protection. -+ -+ NOTE: you can use the 'chpax' or 'paxctl' utilities to control -+ this feature on a per file basis. -+ -+config PAX_RANDKSTACK -+ bool "Randomize kernel stack base" -+ depends on PAX_ASLR && X86_TSC && X86 -+ help -+ By saying Y here the kernel will randomize every task's kernel -+ stack on every system call. This will not only force an attacker -+ to guess it but also prevent him from making use of possible -+ leaked information about it. -+ -+ Since the kernel stack is a rather scarce resource, randomization -+ may cause unexpected stack overflows, therefore you should very -+ carefully test your system. Note that once enabled in the kernel -+ configuration, this feature cannot be disabled on a per file basis. -+ -+config PAX_RANDUSTACK -+ bool "Randomize user stack base" -+ depends on PAX_ASLR -+ help -+ By saying Y here the kernel will randomize every task's userland -+ stack. The randomization is done in two steps where the second -+ one may apply a big amount of shift to the top of the stack and -+ cause problems for programs that want to use lots of memory (more -+ than 2.5 GB if SEGMEXEC is not active, or 1.25 GB when it is). -+ For this reason the second step can be controlled by 'chpax' or -+ 'paxctl' on a per file basis. -+ -+config PAX_RANDMMAP -+ bool "Randomize mmap() base" -+ depends on PAX_ASLR -+ help -+ By saying Y here the kernel will use a randomized base address for -+ mmap() requests that do not specify one themselves. As a result -+ all dynamically loaded libraries will appear at random addresses -+ and therefore be harder to exploit by a technique where an attacker -+ attempts to execute library code for his purposes (e.g. spawn a -+ shell from an exploited program that is running at an elevated -+ privilege level). -+ -+ Furthermore, if a program is relinked as a dynamic ELF file, its -+ base address will be randomized as well, completing the full -+ randomization of the address space layout. Attacking such programs -+ becomes a guess game. You can find an example of doing this at -+ http://pax.grsecurity.net/et_dyn.tar.gz and practical samples at -+ http://www.grsecurity.net/grsec-gcc-specs.tar.gz . -+ -+ NOTE: you can use the 'chpax' or 'paxctl' utilities to control this -+ feature on a per file basis. -+ -+endmenu -+ -+menu "Miscellaneous hardening features" -+ -+config PAX_MEMORY_SANITIZE -+ bool "Sanitize all freed memory" -+ help -+ By saying Y here the kernel will erase memory pages as soon as they -+ are freed. This in turn reduces the lifetime of data stored in the -+ pages, making it less likely that sensitive information such as -+ passwords, cryptographic secrets, etc stay in memory for too long. -+ -+ This is especially useful for programs whose runtime is short, long -+ lived processes and the kernel itself benefit from this as long as -+ they operate on whole memory pages and ensure timely freeing of pages -+ that may hold sensitive information. -+ -+ The tradeoff is performance impact, on a single CPU system kernel -+ compilation sees a 3% slowdown, other systems and workloads may vary -+ and you are advised to test this feature on your expected workload -+ before deploying it. -+ -+ Note that this feature does not protect data stored in live pages, -+ e.g., process memory swapped to disk may stay there for a long time. -+ -+config PAX_MEMORY_STACKLEAK -+ bool "Sanitize kernel stack" -+ depends on X86 -+ help -+ By saying Y here the kernel will erase the kernel stack before it -+ returns from a system call. This in turn reduces the information -+ that a kernel stack leak bug can reveal. -+ -+ Note that such a bug can still leak information that was put on -+ the stack by the current system call (the one eventually triggering -+ the bug) but traces of earlier system calls on the kernel stack -+ cannot leak anymore. -+ -+ The tradeoff is performance impact: on a single CPU system kernel -+ compilation sees a 1% slowdown, other systems and workloads may vary -+ and you are advised to test this feature on your expected workload -+ before deploying it. -+ -+ Note: full support for this feature requires gcc with plugin support -+ so make sure your compiler is at least gcc 4.5.0 (cross compilation -+ is not supported). Using older gcc versions means that functions -+ with large enough stack frames may leave uninitialized memory behind -+ that may be exposed to a later syscall leaking the stack. -+ -+config PAX_MEMORY_UDEREF -+ bool "Prevent invalid userland pointer dereference" -+ depends on X86 && !UML_X86 && !XEN -+ select PAX_PER_CPU_PGD if X86_64 -+ help -+ By saying Y here the kernel will be prevented from dereferencing -+ userland pointers in contexts where the kernel expects only kernel -+ pointers. This is both a useful runtime debugging feature and a -+ security measure that prevents exploiting a class of kernel bugs. -+ -+ The tradeoff is that some virtualization solutions may experience -+ a huge slowdown and therefore you should not enable this feature -+ for kernels meant to run in such environments. Whether a given VM -+ solution is affected or not is best determined by simply trying it -+ out, the performance impact will be obvious right on boot as this -+ mechanism engages from very early on. A good rule of thumb is that -+ VMs running on CPUs without hardware virtualization support (i.e., -+ the majority of IA-32 CPUs) will likely experience the slowdown. -+ -+config PAX_REFCOUNT -+ bool "Prevent various kernel object reference counter overflows" -+ depends on GRKERNSEC && (X86 || SPARC64) -+ help -+ By saying Y here the kernel will detect and prevent overflowing -+ various (but not all) kinds of object reference counters. Such -+ overflows can normally occur due to bugs only and are often, if -+ not always, exploitable. -+ -+ The tradeoff is that data structures protected by an overflowed -+ refcount will never be freed and therefore will leak memory. Note -+ that this leak also happens even without this protection but in -+ that case the overflow can eventually trigger the freeing of the -+ data structure while it is still being used elsewhere, resulting -+ in the exploitable situation that this feature prevents. -+ -+ Since this has a negligible performance impact, you should enable -+ this feature. -+ -+config PAX_USERCOPY -+ bool "Harden heap object copies between kernel and userland" -+ depends on X86 || PPC || SPARC || ARM -+ depends on GRKERNSEC && (SLAB || SLUB || SLOB) -+ help -+ By saying Y here the kernel will enforce the size of heap objects -+ when they are copied in either direction between the kernel and -+ userland, even if only a part of the heap object is copied. -+ -+ Specifically, this checking prevents information leaking from the -+ kernel heap during kernel to userland copies (if the kernel heap -+ object is otherwise fully initialized) and prevents kernel heap -+ overflows during userland to kernel copies. -+ -+ Note that the current implementation provides the strictest bounds -+ checks for the SLUB allocator. -+ -+ Enabling this option also enables per-slab cache protection against -+ data in a given cache being copied into/out of via userland -+ accessors. Though the whitelist of regions will be reduced over -+ time, it notably protects important data structures like task structs. -+ -+ If frame pointers are enabled on x86, this option will also restrict -+ copies into and out of the kernel stack to local variables within a -+ single frame. -+ -+ Since this has a negligible performance impact, you should enable -+ this feature. -+ -+endmenu -+ -+endmenu -+ - config KEYS - bool "Enable access key retention support" - help -@@ -167,7 +715,7 @@ config INTEL_TXT - config LSM_MMAP_MIN_ADDR - int "Low address space for LSM to protect from user allocation" - depends on SECURITY && SECURITY_SELINUX -- default 65536 -+ default 32768 - help - This is the portion of low virtual memory which should be protected - from userspace allocation. Keeping a user from writing to low pages -diff -urNp linux-2.6.39.3/security/keys/keyring.c linux-2.6.39.3/security/keys/keyring.c ---- linux-2.6.39.3/security/keys/keyring.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/security/keys/keyring.c 2011-05-22 19:36:35.000000000 -0400 -@@ -213,15 +213,15 @@ static long keyring_read(const struct ke - ret = -EFAULT; - - for (loop = 0; loop < klist->nkeys; loop++) { -+ key_serial_t serial; - key = klist->keys[loop]; -+ serial = key->serial; - - tmp = sizeof(key_serial_t); - if (tmp > buflen) - tmp = buflen; - -- if (copy_to_user(buffer, -- &key->serial, -- tmp) != 0) -+ if (copy_to_user(buffer, &serial, tmp)) - goto error; - - buflen -= tmp; -diff -urNp linux-2.6.39.3/security/min_addr.c linux-2.6.39.3/security/min_addr.c ---- linux-2.6.39.3/security/min_addr.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/security/min_addr.c 2011-05-22 19:41:42.000000000 -0400 -@@ -14,6 +14,7 @@ unsigned long dac_mmap_min_addr = CONFIG - */ - static void update_mmap_min_addr(void) - { -+#ifndef SPARC - #ifdef CONFIG_LSM_MMAP_MIN_ADDR - if (dac_mmap_min_addr > CONFIG_LSM_MMAP_MIN_ADDR) - mmap_min_addr = dac_mmap_min_addr; -@@ -22,6 +23,7 @@ static void update_mmap_min_addr(void) - #else - mmap_min_addr = dac_mmap_min_addr; - #endif -+#endif - } - - /* -diff -urNp linux-2.6.39.3/security/security.c linux-2.6.39.3/security/security.c ---- linux-2.6.39.3/security/security.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/security/security.c 2011-05-22 19:41:42.000000000 -0400 -@@ -25,8 +25,8 @@ static __initdata char chosen_lsm[SECURI - /* things that live in capability.c */ - extern void __init security_fixup_ops(struct security_operations *ops); - --static struct security_operations *security_ops; --static struct security_operations default_security_ops = { -+static struct security_operations *security_ops __read_only; -+static struct security_operations default_security_ops __read_only = { - .name = "default", - }; - -@@ -67,7 +67,9 @@ int __init security_init(void) - - void reset_security_ops(void) - { -+ pax_open_kernel(); - security_ops = &default_security_ops; -+ pax_close_kernel(); - } - - /* Save user chosen LSM */ -diff -urNp linux-2.6.39.3/security/selinux/hooks.c linux-2.6.39.3/security/selinux/hooks.c ---- linux-2.6.39.3/security/selinux/hooks.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/security/selinux/hooks.c 2011-05-22 19:41:42.000000000 -0400 -@@ -93,7 +93,6 @@ - #define NUM_SEL_MNT_OPTS 5 - - extern int selinux_nlmsg_lookup(u16 sclass, u16 nlmsg_type, u32 *perm); --extern struct security_operations *security_ops; - - /* SECMARK reference count */ - atomic_t selinux_secmark_refcount = ATOMIC_INIT(0); -@@ -5431,7 +5430,7 @@ static int selinux_key_getsecurity(struc - - #endif - --static struct security_operations selinux_ops = { -+static struct security_operations selinux_ops __read_only = { - .name = "selinux", - - .ptrace_access_check = selinux_ptrace_access_check, -diff -urNp linux-2.6.39.3/security/selinux/include/xfrm.h linux-2.6.39.3/security/selinux/include/xfrm.h ---- linux-2.6.39.3/security/selinux/include/xfrm.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/security/selinux/include/xfrm.h 2011-05-22 19:36:35.000000000 -0400 -@@ -48,7 +48,7 @@ int selinux_xfrm_decode_session(struct s - - static inline void selinux_xfrm_notify_policyload(void) - { -- atomic_inc(&flow_cache_genid); -+ atomic_inc_unchecked(&flow_cache_genid); - } - #else - static inline int selinux_xfrm_enabled(void) -diff -urNp linux-2.6.39.3/security/selinux/ss/services.c linux-2.6.39.3/security/selinux/ss/services.c ---- linux-2.6.39.3/security/selinux/ss/services.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/security/selinux/ss/services.c 2011-05-22 19:36:35.000000000 -0400 -@@ -1806,6 +1806,8 @@ int security_load_policy(void *data, siz - int rc = 0; - struct policy_file file = { data, len }, *fp = &file; - -+ pax_track_stack(); -+ - if (!ss_initialized) { - avtab_cache_init(); - rc = policydb_read(&policydb, fp); -diff -urNp linux-2.6.39.3/security/smack/smack_lsm.c linux-2.6.39.3/security/smack/smack_lsm.c ---- linux-2.6.39.3/security/smack/smack_lsm.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/security/smack/smack_lsm.c 2011-05-22 19:36:35.000000000 -0400 -@@ -3386,7 +3386,7 @@ static int smack_inode_getsecctx(struct - return 0; - } - --struct security_operations smack_ops = { -+struct security_operations smack_ops __read_only = { - .name = "smack", - - .ptrace_access_check = smack_ptrace_access_check, -diff -urNp linux-2.6.39.3/security/tomoyo/tomoyo.c linux-2.6.39.3/security/tomoyo/tomoyo.c ---- linux-2.6.39.3/security/tomoyo/tomoyo.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/security/tomoyo/tomoyo.c 2011-05-22 19:36:35.000000000 -0400 -@@ -240,7 +240,7 @@ static int tomoyo_sb_pivotroot(struct pa - * tomoyo_security_ops is a "struct security_operations" which is used for - * registering TOMOYO. - */ --static struct security_operations tomoyo_security_ops = { -+static struct security_operations tomoyo_security_ops __read_only = { - .name = "tomoyo", - .cred_alloc_blank = tomoyo_cred_alloc_blank, - .cred_prepare = tomoyo_cred_prepare, -diff -urNp linux-2.6.39.3/sound/aoa/aoa.h linux-2.6.39.3/sound/aoa/aoa.h ---- linux-2.6.39.3/sound/aoa/aoa.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/aoa/aoa.h 2011-05-22 19:36:35.000000000 -0400 -@@ -122,8 +122,8 @@ extern struct snd_card *aoa_get_card(voi - extern int aoa_snd_ctl_add(struct snd_kcontrol* control); - - /* GPIO stuff */ --extern struct gpio_methods *pmf_gpio_methods; --extern struct gpio_methods *ftr_gpio_methods; -+extern const struct gpio_methods *pmf_gpio_methods; -+extern const struct gpio_methods *ftr_gpio_methods; - /* extern struct gpio_methods *map_gpio_methods; */ - - #endif /* __AOA_H */ -diff -urNp linux-2.6.39.3/sound/aoa/codecs/onyx.c linux-2.6.39.3/sound/aoa/codecs/onyx.c ---- linux-2.6.39.3/sound/aoa/codecs/onyx.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/aoa/codecs/onyx.c 2011-05-22 19:36:35.000000000 -0400 -@@ -54,7 +54,7 @@ struct onyx { - spdif_locked:1, - analog_locked:1, - original_mute:2; -- int open_count; -+ local_t open_count; - struct codec_info *codec_info; - - /* mutex serializes concurrent access to the device -@@ -753,7 +753,7 @@ static int onyx_open(struct codec_info_i - struct onyx *onyx = cii->codec_data; - - mutex_lock(&onyx->mutex); -- onyx->open_count++; -+ local_inc(&onyx->open_count); - mutex_unlock(&onyx->mutex); - - return 0; -@@ -765,8 +765,7 @@ static int onyx_close(struct codec_info_ - struct onyx *onyx = cii->codec_data; - - mutex_lock(&onyx->mutex); -- onyx->open_count--; -- if (!onyx->open_count) -+ if (local_dec_and_test(&onyx->open_count)) - onyx->spdif_locked = onyx->analog_locked = 0; - mutex_unlock(&onyx->mutex); - -diff -urNp linux-2.6.39.3/sound/aoa/codecs/onyx.h linux-2.6.39.3/sound/aoa/codecs/onyx.h ---- linux-2.6.39.3/sound/aoa/codecs/onyx.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/aoa/codecs/onyx.h 2011-05-22 19:36:35.000000000 -0400 -@@ -11,6 +11,7 @@ - #include <linux/i2c.h> - #include <asm/pmac_low_i2c.h> - #include <asm/prom.h> -+#include <asm/local.h> - - /* PCM3052 register definitions */ - -diff -urNp linux-2.6.39.3/sound/arm/aaci.c linux-2.6.39.3/sound/arm/aaci.c ---- linux-2.6.39.3/sound/arm/aaci.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/arm/aaci.c 2011-05-22 19:36:35.000000000 -0400 -@@ -635,7 +635,7 @@ static int aaci_pcm_playback_trigger(str - return ret; - } - --static struct snd_pcm_ops aaci_playback_ops = { -+static const struct snd_pcm_ops aaci_playback_ops = { - .open = aaci_pcm_open, - .close = aaci_pcm_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -738,7 +738,7 @@ static int aaci_pcm_capture_prepare(stru - return 0; - } - --static struct snd_pcm_ops aaci_capture_ops = { -+static const struct snd_pcm_ops aaci_capture_ops = { - .open = aaci_pcm_open, - .close = aaci_pcm_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -827,7 +827,7 @@ static struct ac97_pcm ac97_defs[] __dev - } - }; - --static struct snd_ac97_bus_ops aaci_bus_ops = { -+static const struct snd_ac97_bus_ops aaci_bus_ops = { - .write = aaci_ac97_write, - .read = aaci_ac97_read, - }; -diff -urNp linux-2.6.39.3/sound/arm/pxa2xx-ac97.c linux-2.6.39.3/sound/arm/pxa2xx-ac97.c ---- linux-2.6.39.3/sound/arm/pxa2xx-ac97.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/arm/pxa2xx-ac97.c 2011-05-22 19:36:35.000000000 -0400 -@@ -34,7 +34,7 @@ static void pxa2xx_ac97_reset(struct snd - pxa2xx_ac97_finish_reset(ac97); - } - --static struct snd_ac97_bus_ops pxa2xx_ac97_ops = { -+static const struct snd_ac97_bus_ops pxa2xx_ac97_ops = { - .read = pxa2xx_ac97_read, - .write = pxa2xx_ac97_write, - .reset = pxa2xx_ac97_reset, -diff -urNp linux-2.6.39.3/sound/atmel/abdac.c linux-2.6.39.3/sound/atmel/abdac.c ---- linux-2.6.39.3/sound/atmel/abdac.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/atmel/abdac.c 2011-05-22 19:36:35.000000000 -0400 -@@ -297,7 +297,7 @@ static irqreturn_t abdac_interrupt(int i - return IRQ_HANDLED; - } - --static struct snd_pcm_ops atmel_abdac_ops = { -+static const struct snd_pcm_ops atmel_abdac_ops = { - .open = atmel_abdac_open, - .close = atmel_abdac_close, - .ioctl = snd_pcm_lib_ioctl, -diff -urNp linux-2.6.39.3/sound/atmel/ac97c.c linux-2.6.39.3/sound/atmel/ac97c.c ---- linux-2.6.39.3/sound/atmel/ac97c.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/atmel/ac97c.c 2011-05-22 19:36:35.000000000 -0400 -@@ -626,7 +626,7 @@ atmel_ac97c_capture_pointer(struct snd_p - return frames; - } - --static struct snd_pcm_ops atmel_ac97_playback_ops = { -+static const struct snd_pcm_ops atmel_ac97_playback_ops = { - .open = atmel_ac97c_playback_open, - .close = atmel_ac97c_playback_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -637,7 +637,7 @@ static struct snd_pcm_ops atmel_ac97_pla - .pointer = atmel_ac97c_playback_pointer, - }; - --static struct snd_pcm_ops atmel_ac97_capture_ops = { -+static const struct snd_pcm_ops atmel_ac97_capture_ops = { - .open = atmel_ac97c_capture_open, - .close = atmel_ac97c_capture_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -909,7 +909,7 @@ static int __devinit atmel_ac97c_probe(s - struct resource *regs; - struct ac97c_platform_data *pdata; - struct clk *pclk; -- static struct snd_ac97_bus_ops ops = { -+ static const struct snd_ac97_bus_ops ops = { - .write = atmel_ac97c_write, - .read = atmel_ac97c_read, - }; -diff -urNp linux-2.6.39.3/sound/core/control.c linux-2.6.39.3/sound/core/control.c ---- linux-2.6.39.3/sound/core/control.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/core/control.c 2011-05-22 19:36:35.000000000 -0400 -@@ -1520,7 +1520,7 @@ static int snd_ctl_dev_free(struct snd_d - */ - int snd_ctl_create(struct snd_card *card) - { -- static struct snd_device_ops ops = { -+ static const struct snd_device_ops ops = { - .dev_free = snd_ctl_dev_free, - .dev_register = snd_ctl_dev_register, - .dev_disconnect = snd_ctl_dev_disconnect, -diff -urNp linux-2.6.39.3/sound/core/device.c linux-2.6.39.3/sound/core/device.c ---- linux-2.6.39.3/sound/core/device.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/core/device.c 2011-05-22 19:36:35.000000000 -0400 -@@ -41,7 +41,7 @@ - * Returns zero if successful, or a negative error code on failure. - */ - int snd_device_new(struct snd_card *card, snd_device_type_t type, -- void *device_data, struct snd_device_ops *ops) -+ void *device_data, const struct snd_device_ops *ops) - { - struct snd_device *dev; - -diff -urNp linux-2.6.39.3/sound/core/hwdep.c linux-2.6.39.3/sound/core/hwdep.c ---- linux-2.6.39.3/sound/core/hwdep.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/core/hwdep.c 2011-05-22 19:36:35.000000000 -0400 -@@ -348,7 +348,7 @@ int snd_hwdep_new(struct snd_card *card, - { - struct snd_hwdep *hwdep; - int err; -- static struct snd_device_ops ops = { -+ static const struct snd_device_ops ops = { - .dev_free = snd_hwdep_dev_free, - .dev_register = snd_hwdep_dev_register, - .dev_disconnect = snd_hwdep_dev_disconnect, -diff -urNp linux-2.6.39.3/sound/core/info.c linux-2.6.39.3/sound/core/info.c ---- linux-2.6.39.3/sound/core/info.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/core/info.c 2011-05-22 19:36:35.000000000 -0400 -@@ -897,7 +897,7 @@ static int snd_info_dev_register_entry(s - int snd_card_proc_new(struct snd_card *card, const char *name, - struct snd_info_entry **entryp) - { -- static struct snd_device_ops ops = { -+ static const struct snd_device_ops ops = { - .dev_free = snd_info_dev_free_entry, - .dev_register = snd_info_dev_register_entry, - /* disconnect is done via snd_info_card_disconnect() */ -diff -urNp linux-2.6.39.3/sound/core/jack.c linux-2.6.39.3/sound/core/jack.c ---- linux-2.6.39.3/sound/core/jack.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/core/jack.c 2011-05-22 19:36:35.000000000 -0400 -@@ -105,7 +105,7 @@ int snd_jack_new(struct snd_card *card, - struct snd_jack *jack; - int err; - int i; -- static struct snd_device_ops ops = { -+ static const struct snd_device_ops ops = { - .dev_free = snd_jack_dev_free, - .dev_register = snd_jack_dev_register, - }; -diff -urNp linux-2.6.39.3/sound/core/pcm.c linux-2.6.39.3/sound/core/pcm.c ---- linux-2.6.39.3/sound/core/pcm.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/core/pcm.c 2011-05-22 19:36:35.000000000 -0400 -@@ -717,7 +717,7 @@ int snd_pcm_new(struct snd_card *card, c - { - struct snd_pcm *pcm; - int err; -- static struct snd_device_ops ops = { -+ static const struct snd_device_ops ops = { - .dev_free = snd_pcm_dev_free, - .dev_register = snd_pcm_dev_register, - .dev_disconnect = snd_pcm_dev_disconnect, -diff -urNp linux-2.6.39.3/sound/core/pcm_lib.c linux-2.6.39.3/sound/core/pcm_lib.c ---- linux-2.6.39.3/sound/core/pcm_lib.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/core/pcm_lib.c 2011-05-22 19:36:35.000000000 -0400 -@@ -505,7 +505,7 @@ int snd_pcm_update_hw_ptr(struct snd_pcm - * - * Sets the given PCM operators to the pcm instance. - */ --void snd_pcm_set_ops(struct snd_pcm *pcm, int direction, struct snd_pcm_ops *ops) -+void snd_pcm_set_ops(struct snd_pcm *pcm, int direction, const struct snd_pcm_ops *ops) - { - struct snd_pcm_str *stream = &pcm->streams[direction]; - struct snd_pcm_substream *substream; -diff -urNp linux-2.6.39.3/sound/core/pcm_native.c linux-2.6.39.3/sound/core/pcm_native.c ---- linux-2.6.39.3/sound/core/pcm_native.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/core/pcm_native.c 2011-05-22 19:36:35.000000000 -0400 -@@ -702,7 +702,7 @@ struct action_ops { - * Note: the stream state might be changed also on failure - * Note2: call with calling stream lock + link lock - */ --static int snd_pcm_action_group(struct action_ops *ops, -+static int snd_pcm_action_group(const struct action_ops *ops, - struct snd_pcm_substream *substream, - int state, int do_lock) - { -@@ -751,7 +751,7 @@ static int snd_pcm_action_group(struct a - /* - * Note: call with stream lock - */ --static int snd_pcm_action_single(struct action_ops *ops, -+static int snd_pcm_action_single(const struct action_ops *ops, - struct snd_pcm_substream *substream, - int state) - { -@@ -771,7 +771,7 @@ static int snd_pcm_action_single(struct - /* - * Note: call with stream lock - */ --static int snd_pcm_action(struct action_ops *ops, -+static int snd_pcm_action(const struct action_ops *ops, - struct snd_pcm_substream *substream, - int state) - { -@@ -794,7 +794,7 @@ static int snd_pcm_action(struct action_ - /* - * Note: don't use any locks before - */ --static int snd_pcm_action_lock_irq(struct action_ops *ops, -+static int snd_pcm_action_lock_irq(const struct action_ops *ops, - struct snd_pcm_substream *substream, - int state) - { -@@ -818,7 +818,7 @@ static int snd_pcm_action_lock_irq(struc - - /* - */ --static int snd_pcm_action_nonatomic(struct action_ops *ops, -+static int snd_pcm_action_nonatomic(const struct action_ops *ops, - struct snd_pcm_substream *substream, - int state) - { -@@ -877,7 +877,7 @@ static void snd_pcm_post_start(struct sn - &runtime->trigger_tstamp); - } - --static struct action_ops snd_pcm_action_start = { -+static const struct action_ops snd_pcm_action_start = { - .pre_action = snd_pcm_pre_start, - .do_action = snd_pcm_do_start, - .undo_action = snd_pcm_undo_start, -@@ -928,7 +928,7 @@ static void snd_pcm_post_stop(struct snd - wake_up(&runtime->tsleep); - } - --static struct action_ops snd_pcm_action_stop = { -+static const struct action_ops snd_pcm_action_stop = { - .pre_action = snd_pcm_pre_stop, - .do_action = snd_pcm_do_stop, - .post_action = snd_pcm_post_stop -@@ -1025,7 +1025,7 @@ static void snd_pcm_post_pause(struct sn - } - } - --static struct action_ops snd_pcm_action_pause = { -+static const struct action_ops snd_pcm_action_pause = { - .pre_action = snd_pcm_pre_pause, - .do_action = snd_pcm_do_pause, - .undo_action = snd_pcm_undo_pause, -@@ -1076,7 +1076,7 @@ static void snd_pcm_post_suspend(struct - wake_up(&runtime->tsleep); - } - --static struct action_ops snd_pcm_action_suspend = { -+static const struct action_ops snd_pcm_action_suspend = { - .pre_action = snd_pcm_pre_suspend, - .do_action = snd_pcm_do_suspend, - .post_action = snd_pcm_post_suspend -@@ -1175,7 +1175,7 @@ static void snd_pcm_post_resume(struct s - runtime->status->state = runtime->status->suspended_state; - } - --static struct action_ops snd_pcm_action_resume = { -+static const struct action_ops snd_pcm_action_resume = { - .pre_action = snd_pcm_pre_resume, - .do_action = snd_pcm_do_resume, - .undo_action = snd_pcm_undo_resume, -@@ -1278,7 +1278,7 @@ static void snd_pcm_post_reset(struct sn - snd_pcm_playback_silence(substream, ULONG_MAX); - } - --static struct action_ops snd_pcm_action_reset = { -+static const struct action_ops snd_pcm_action_reset = { - .pre_action = snd_pcm_pre_reset, - .do_action = snd_pcm_do_reset, - .post_action = snd_pcm_post_reset -@@ -1322,7 +1322,7 @@ static void snd_pcm_post_prepare(struct - runtime->status->state = SNDRV_PCM_STATE_PREPARED; - } - --static struct action_ops snd_pcm_action_prepare = { -+static const struct action_ops snd_pcm_action_prepare = { - .pre_action = snd_pcm_pre_prepare, - .do_action = snd_pcm_do_prepare, - .post_action = snd_pcm_post_prepare -@@ -1397,7 +1397,7 @@ static void snd_pcm_post_drain_init(stru - { - } - --static struct action_ops snd_pcm_action_drain_init = { -+static const struct action_ops snd_pcm_action_drain_init = { - .pre_action = snd_pcm_pre_drain_init, - .do_action = snd_pcm_do_drain_init, - .post_action = snd_pcm_post_drain_init -diff -urNp linux-2.6.39.3/sound/core/rawmidi.c linux-2.6.39.3/sound/core/rawmidi.c ---- linux-2.6.39.3/sound/core/rawmidi.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/core/rawmidi.c 2011-05-22 19:36:35.000000000 -0400 -@@ -1449,7 +1449,7 @@ int snd_rawmidi_new(struct snd_card *car - { - struct snd_rawmidi *rmidi; - int err; -- static struct snd_device_ops ops = { -+ static const struct snd_device_ops ops = { - .dev_free = snd_rawmidi_dev_free, - .dev_register = snd_rawmidi_dev_register, - .dev_disconnect = snd_rawmidi_dev_disconnect, -@@ -1654,7 +1654,7 @@ static int snd_rawmidi_dev_disconnect(st - * Sets the rawmidi operators for the given stream direction. - */ - void snd_rawmidi_set_ops(struct snd_rawmidi *rmidi, int stream, -- struct snd_rawmidi_ops *ops) -+ const struct snd_rawmidi_ops *ops) - { - struct snd_rawmidi_substream *substream; - -diff -urNp linux-2.6.39.3/sound/core/seq/seq_device.c linux-2.6.39.3/sound/core/seq/seq_device.c ---- linux-2.6.39.3/sound/core/seq/seq_device.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/core/seq/seq_device.c 2011-05-22 19:36:35.000000000 -0400 -@@ -178,7 +178,7 @@ int snd_seq_device_new(struct snd_card * - struct snd_seq_device *dev; - struct ops_list *ops; - int err; -- static struct snd_device_ops dops = { -+ static const struct snd_device_ops dops = { - .dev_free = snd_seq_device_dev_free, - .dev_register = snd_seq_device_dev_register, - .dev_disconnect = snd_seq_device_dev_disconnect, -@@ -307,7 +307,7 @@ static int snd_seq_device_dev_disconnect - * id = driver id - * entry = driver operators - duplicated to each instance - */ --int snd_seq_device_register_driver(char *id, struct snd_seq_dev_ops *entry, -+int snd_seq_device_register_driver(char *id, const struct snd_seq_dev_ops *entry, - int argsize) - { - struct ops_list *ops; -diff -urNp linux-2.6.39.3/sound/core/seq/seq_midi.c linux-2.6.39.3/sound/core/seq/seq_midi.c ---- linux-2.6.39.3/sound/core/seq/seq_midi.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/core/seq/seq_midi.c 2011-05-22 19:36:35.000000000 -0400 -@@ -461,7 +461,7 @@ snd_seq_midisynth_unregister_port(struct - - static int __init alsa_seq_midi_init(void) - { -- static struct snd_seq_dev_ops ops = { -+ static const struct snd_seq_dev_ops ops = { - snd_seq_midisynth_register_port, - snd_seq_midisynth_unregister_port, - }; -diff -urNp linux-2.6.39.3/sound/core/seq/seq_virmidi.c linux-2.6.39.3/sound/core/seq/seq_virmidi.c ---- linux-2.6.39.3/sound/core/seq/seq_virmidi.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/core/seq/seq_virmidi.c 2011-05-22 19:36:35.000000000 -0400 -@@ -337,13 +337,13 @@ static int snd_virmidi_unuse(void *priva - * Register functions - */ - --static struct snd_rawmidi_ops snd_virmidi_input_ops = { -+static const struct snd_rawmidi_ops snd_virmidi_input_ops = { - .open = snd_virmidi_input_open, - .close = snd_virmidi_input_close, - .trigger = snd_virmidi_input_trigger, - }; - --static struct snd_rawmidi_ops snd_virmidi_output_ops = { -+static const struct snd_rawmidi_ops snd_virmidi_output_ops = { - .open = snd_virmidi_output_open, - .close = snd_virmidi_output_close, - .trigger = snd_virmidi_output_trigger, -@@ -467,7 +467,7 @@ static int snd_virmidi_dev_unregister(st - /* - * - */ --static struct snd_rawmidi_global_ops snd_virmidi_global_ops = { -+static const struct snd_rawmidi_global_ops snd_virmidi_global_ops = { - .dev_register = snd_virmidi_dev_register, - .dev_unregister = snd_virmidi_dev_unregister, - }; -diff -urNp linux-2.6.39.3/sound/core/timer.c linux-2.6.39.3/sound/core/timer.c ---- linux-2.6.39.3/sound/core/timer.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/core/timer.c 2011-05-22 19:36:35.000000000 -0400 -@@ -756,7 +756,7 @@ int snd_timer_new(struct snd_card *card, - { - struct snd_timer *timer; - int err; -- static struct snd_device_ops ops = { -+ static const struct snd_device_ops ops = { - .dev_free = snd_timer_dev_free, - .dev_register = snd_timer_dev_register, - .dev_disconnect = snd_timer_dev_disconnect, -diff -urNp linux-2.6.39.3/sound/drivers/aloop.c linux-2.6.39.3/sound/drivers/aloop.c ---- linux-2.6.39.3/sound/drivers/aloop.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/drivers/aloop.c 2011-05-22 19:36:35.000000000 -0400 -@@ -731,7 +731,7 @@ static int loopback_close(struct snd_pcm - return 0; - } - --static struct snd_pcm_ops loopback_playback_ops = { -+static const struct snd_pcm_ops loopback_playback_ops = { - .open = loopback_open, - .close = loopback_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -742,7 +742,7 @@ static struct snd_pcm_ops loopback_playb - .pointer = loopback_pointer, - }; - --static struct snd_pcm_ops loopback_capture_ops = { -+static const struct snd_pcm_ops loopback_capture_ops = { - .open = loopback_open, - .close = loopback_close, - .ioctl = snd_pcm_lib_ioctl, -diff -urNp linux-2.6.39.3/sound/drivers/dummy.c linux-2.6.39.3/sound/drivers/dummy.c ---- linux-2.6.39.3/sound/drivers/dummy.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/drivers/dummy.c 2011-05-22 19:36:35.000000000 -0400 -@@ -350,7 +350,7 @@ static void dummy_systimer_free(struct s - kfree(substream->runtime->private_data); - } - --static struct dummy_timer_ops dummy_systimer_ops = { -+static const struct dummy_timer_ops dummy_systimer_ops = { - .create = dummy_systimer_create, - .free = dummy_systimer_free, - .prepare = dummy_systimer_prepare, -@@ -474,7 +474,7 @@ static void dummy_hrtimer_free(struct sn - kfree(dpcm); - } - --static struct dummy_timer_ops dummy_hrtimer_ops = { -+static const struct dummy_timer_ops dummy_hrtimer_ops = { - .create = dummy_hrtimer_create, - .free = dummy_hrtimer_free, - .prepare = dummy_hrtimer_prepare, -@@ -660,7 +660,7 @@ static struct page *dummy_pcm_page(struc - return virt_to_page(dummy_page[substream->stream]); /* the same page */ - } - --static struct snd_pcm_ops dummy_pcm_ops = { -+static const struct snd_pcm_ops dummy_pcm_ops = { - .open = dummy_pcm_open, - .close = dummy_pcm_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -671,7 +671,7 @@ static struct snd_pcm_ops dummy_pcm_ops - .pointer = dummy_pcm_pointer, - }; - --static struct snd_pcm_ops dummy_pcm_ops_no_buf = { -+static const struct snd_pcm_ops dummy_pcm_ops_no_buf = { - .open = dummy_pcm_open, - .close = dummy_pcm_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -689,7 +689,7 @@ static int __devinit snd_card_dummy_pcm( - int substreams) - { - struct snd_pcm *pcm; -- struct snd_pcm_ops *ops; -+ const struct snd_pcm_ops *ops; - int err; - - err = snd_pcm_new(dummy->card, "Dummy PCM", device, -diff -urNp linux-2.6.39.3/sound/drivers/ml403-ac97cr.c linux-2.6.39.3/sound/drivers/ml403-ac97cr.c ---- linux-2.6.39.3/sound/drivers/ml403-ac97cr.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/drivers/ml403-ac97cr.c 2011-05-22 19:36:35.000000000 -0400 -@@ -759,7 +759,7 @@ static int snd_ml403_ac97cr_capture_clos - return 0; - } - --static struct snd_pcm_ops snd_ml403_ac97cr_playback_ops = { -+static const struct snd_pcm_ops snd_ml403_ac97cr_playback_ops = { - .open = snd_ml403_ac97cr_playback_open, - .close = snd_ml403_ac97cr_playback_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -770,7 +770,7 @@ static struct snd_pcm_ops snd_ml403_ac97 - .pointer = snd_ml403_ac97cr_pcm_pointer, - }; - --static struct snd_pcm_ops snd_ml403_ac97cr_capture_ops = { -+static const struct snd_pcm_ops snd_ml403_ac97cr_capture_ops = { - .open = snd_ml403_ac97cr_capture_open, - .close = snd_ml403_ac97cr_capture_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -1114,7 +1114,7 @@ snd_ml403_ac97cr_create(struct snd_card - { - struct snd_ml403_ac97cr *ml403_ac97cr; - int err; -- static struct snd_device_ops ops = { -+ static const struct snd_device_ops ops = { - .dev_free = snd_ml403_ac97cr_dev_free, - }; - struct resource *resource; -@@ -1210,7 +1210,7 @@ snd_ml403_ac97cr_mixer(struct snd_ml403_ - struct snd_ac97_bus *bus; - struct snd_ac97_template ac97; - int err; -- static struct snd_ac97_bus_ops ops = { -+ static const struct snd_ac97_bus_ops ops = { - .write = snd_ml403_ac97cr_codec_write, - .read = snd_ml403_ac97cr_codec_read, - }; -diff -urNp linux-2.6.39.3/sound/drivers/mtpav.c linux-2.6.39.3/sound/drivers/mtpav.c ---- linux-2.6.39.3/sound/drivers/mtpav.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/drivers/mtpav.c 2011-05-22 19:36:35.000000000 -0400 -@@ -601,13 +601,13 @@ static int __devinit snd_mtpav_get_ISA(s - /* - */ - --static struct snd_rawmidi_ops snd_mtpav_output = { -+static const struct snd_rawmidi_ops snd_mtpav_output = { - .open = snd_mtpav_output_open, - .close = snd_mtpav_output_close, - .trigger = snd_mtpav_output_trigger, - }; - --static struct snd_rawmidi_ops snd_mtpav_input = { -+static const struct snd_rawmidi_ops snd_mtpav_input = { - .open = snd_mtpav_input_open, - .close = snd_mtpav_input_close, - .trigger = snd_mtpav_input_trigger, -diff -urNp linux-2.6.39.3/sound/drivers/mts64.c linux-2.6.39.3/sound/drivers/mts64.c ---- linux-2.6.39.3/sound/drivers/mts64.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/drivers/mts64.c 2011-05-22 19:36:35.000000000 -0400 -@@ -28,6 +28,7 @@ - #include <sound/initval.h> - #include <sound/rawmidi.h> - #include <sound/control.h> -+#include <asm/local.h> - - #define CARD_NAME "Miditerminal 4140" - #define DRIVER_NAME "MTS64" -@@ -66,7 +67,7 @@ struct mts64 { - struct pardevice *pardev; - int pardev_claimed; - -- int open_count; -+ local_t open_count; - int current_midi_output_port; - int current_midi_input_port; - u8 mode[MTS64_NUM_INPUT_PORTS]; -@@ -696,7 +697,7 @@ static int snd_mts64_rawmidi_open(struct - { - struct mts64 *mts = substream->rmidi->private_data; - -- if (mts->open_count == 0) { -+ if (local_read(&mts->open_count) == 0) { - /* We don't need a spinlock here, because this is just called - if the device has not been opened before. - So there aren't any IRQs from the device */ -@@ -704,7 +705,7 @@ static int snd_mts64_rawmidi_open(struct - - msleep(50); - } -- ++(mts->open_count); -+ local_inc(&mts->open_count); - - return 0; - } -@@ -714,8 +715,7 @@ static int snd_mts64_rawmidi_close(struc - struct mts64 *mts = substream->rmidi->private_data; - unsigned long flags; - -- --(mts->open_count); -- if (mts->open_count == 0) { -+ if (local_dec_return(&mts->open_count) == 0) { - /* We need the spinlock_irqsave here because we can still - have IRQs at this point */ - spin_lock_irqsave(&mts->lock, flags); -@@ -724,8 +724,8 @@ static int snd_mts64_rawmidi_close(struc - - msleep(500); - -- } else if (mts->open_count < 0) -- mts->open_count = 0; -+ } else if (local_read(&mts->open_count) < 0) -+ local_set(&mts->open_count, 0); - - return 0; - } -@@ -760,13 +760,13 @@ static void snd_mts64_rawmidi_input_trig - spin_unlock_irqrestore(&mts->lock, flags); - } - --static struct snd_rawmidi_ops snd_mts64_rawmidi_output_ops = { -+static const struct snd_rawmidi_ops snd_mts64_rawmidi_output_ops = { - .open = snd_mts64_rawmidi_open, - .close = snd_mts64_rawmidi_close, - .trigger = snd_mts64_rawmidi_output_trigger - }; - --static struct snd_rawmidi_ops snd_mts64_rawmidi_input_ops = { -+static const struct snd_rawmidi_ops snd_mts64_rawmidi_input_ops = { - .open = snd_mts64_rawmidi_open, - .close = snd_mts64_rawmidi_close, - .trigger = snd_mts64_rawmidi_input_trigger -diff -urNp linux-2.6.39.3/sound/drivers/pcsp/pcsp.c linux-2.6.39.3/sound/drivers/pcsp/pcsp.c ---- linux-2.6.39.3/sound/drivers/pcsp/pcsp.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/drivers/pcsp/pcsp.c 2011-05-22 19:36:35.000000000 -0400 -@@ -41,7 +41,7 @@ struct snd_pcsp pcsp_chip; - - static int __devinit snd_pcsp_create(struct snd_card *card) - { -- static struct snd_device_ops ops = { }; -+ static const struct snd_device_ops ops = { }; - struct timespec tp; - int err; - int div, min_div, order; -diff -urNp linux-2.6.39.3/sound/drivers/pcsp/pcsp_lib.c linux-2.6.39.3/sound/drivers/pcsp/pcsp_lib.c ---- linux-2.6.39.3/sound/drivers/pcsp/pcsp_lib.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/drivers/pcsp/pcsp_lib.c 2011-05-22 19:36:35.000000000 -0400 -@@ -323,7 +323,7 @@ static int snd_pcsp_playback_open(struct - return 0; - } - --static struct snd_pcm_ops snd_pcsp_playback_ops = { -+static const struct snd_pcm_ops snd_pcsp_playback_ops = { - .open = snd_pcsp_playback_open, - .close = snd_pcsp_playback_close, - .ioctl = snd_pcm_lib_ioctl, -diff -urNp linux-2.6.39.3/sound/drivers/portman2x4.c linux-2.6.39.3/sound/drivers/portman2x4.c ---- linux-2.6.39.3/sound/drivers/portman2x4.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/drivers/portman2x4.c 2011-05-22 19:36:35.000000000 -0400 -@@ -47,6 +47,7 @@ - #include <sound/initval.h> - #include <sound/rawmidi.h> - #include <sound/control.h> -+#include <asm/local.h> - - #define CARD_NAME "Portman 2x4" - #define DRIVER_NAME "portman" -@@ -84,7 +85,7 @@ struct portman { - struct pardevice *pardev; - int pardev_claimed; - -- int open_count; -+ local_t open_count; - int mode[PORTMAN_NUM_INPUT_PORTS]; - struct snd_rawmidi_substream *midi_input[PORTMAN_NUM_INPUT_PORTS]; - }; -@@ -547,13 +548,13 @@ static void snd_portman_midi_output_trig - spin_unlock_irqrestore(&pm->reg_lock, flags); - } - --static struct snd_rawmidi_ops snd_portman_midi_output = { -+static const struct snd_rawmidi_ops snd_portman_midi_output = { - .open = snd_portman_midi_open, - .close = snd_portman_midi_close, - .trigger = snd_portman_midi_output_trigger, - }; - --static struct snd_rawmidi_ops snd_portman_midi_input = { -+static const struct snd_rawmidi_ops snd_portman_midi_input = { - .open = snd_portman_midi_open, - .close = snd_portman_midi_close, - .trigger = snd_portman_midi_input_trigger, -diff -urNp linux-2.6.39.3/sound/drivers/serial-u16550.c linux-2.6.39.3/sound/drivers/serial-u16550.c ---- linux-2.6.39.3/sound/drivers/serial-u16550.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/drivers/serial-u16550.c 2011-05-22 19:36:35.000000000 -0400 -@@ -754,15 +754,13 @@ static void snd_uart16550_output_trigger - snd_uart16550_output_write(substream); - } - --static struct snd_rawmidi_ops snd_uart16550_output = --{ -+static const struct snd_rawmidi_ops snd_uart16550_output = { - .open = snd_uart16550_output_open, - .close = snd_uart16550_output_close, - .trigger = snd_uart16550_output_trigger, - }; - --static struct snd_rawmidi_ops snd_uart16550_input = --{ -+static const struct snd_rawmidi_ops snd_uart16550_input = { - .open = snd_uart16550_input_open, - .close = snd_uart16550_input_close, - .trigger = snd_uart16550_input_trigger, -@@ -792,7 +790,7 @@ static int __devinit snd_uart16550_creat - int droponfull, - struct snd_uart16550 **ruart) - { -- static struct snd_device_ops ops = { -+ static const struct snd_device_ops ops = { - .dev_free = snd_uart16550_dev_free, - }; - struct snd_uart16550 *uart; -diff -urNp linux-2.6.39.3/sound/drivers/vx/vx_pcm.c linux-2.6.39.3/sound/drivers/vx/vx_pcm.c ---- linux-2.6.39.3/sound/drivers/vx/vx_pcm.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/drivers/vx/vx_pcm.c 2011-05-22 19:36:35.000000000 -0400 -@@ -895,7 +895,7 @@ static int vx_pcm_prepare(struct snd_pcm - /* - * operators for PCM playback - */ --static struct snd_pcm_ops vx_pcm_playback_ops = { -+static const struct snd_pcm_ops vx_pcm_playback_ops = { - .open = vx_pcm_playback_open, - .close = vx_pcm_playback_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -1116,7 +1116,7 @@ static snd_pcm_uframes_t vx_pcm_capture_ - /* - * operators for PCM capture - */ --static struct snd_pcm_ops vx_pcm_capture_ops = { -+static const struct snd_pcm_ops vx_pcm_capture_ops = { - .open = vx_pcm_capture_open, - .close = vx_pcm_capture_close, - .ioctl = snd_pcm_lib_ioctl, -diff -urNp linux-2.6.39.3/sound/firewire/amdtp.c linux-2.6.39.3/sound/firewire/amdtp.c ---- linux-2.6.39.3/sound/firewire/amdtp.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/firewire/amdtp.c 2011-05-22 19:36:35.000000000 -0400 -@@ -371,7 +371,7 @@ static void queue_out_packet(struct amdt - ptr = s->pcm_buffer_pointer + data_blocks; - if (ptr >= pcm->runtime->buffer_size) - ptr -= pcm->runtime->buffer_size; -- ACCESS_ONCE(s->pcm_buffer_pointer) = ptr; -+ ACCESS_ONCE_RW(s->pcm_buffer_pointer) = ptr; - - s->pcm_period_pointer += data_blocks; - if (s->pcm_period_pointer >= pcm->runtime->period_size) { -@@ -510,7 +510,7 @@ EXPORT_SYMBOL(amdtp_out_stream_start); - */ - void amdtp_out_stream_update(struct amdtp_out_stream *s) - { -- ACCESS_ONCE(s->source_node_id_field) = -+ ACCESS_ONCE_RW(s->source_node_id_field) = - (fw_parent_device(s->unit)->card->node_id & 0x3f) << 24; - } - EXPORT_SYMBOL(amdtp_out_stream_update); -diff -urNp linux-2.6.39.3/sound/firewire/amdtp.h linux-2.6.39.3/sound/firewire/amdtp.h ---- linux-2.6.39.3/sound/firewire/amdtp.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/firewire/amdtp.h 2011-05-22 19:36:35.000000000 -0400 -@@ -146,7 +146,7 @@ static inline void amdtp_out_stream_pcm_ - static inline void amdtp_out_stream_pcm_trigger(struct amdtp_out_stream *s, - struct snd_pcm_substream *pcm) - { -- ACCESS_ONCE(s->pcm) = pcm; -+ ACCESS_ONCE_RW(s->pcm) = pcm; - } - - /** -diff -urNp linux-2.6.39.3/sound/i2c/i2c.c linux-2.6.39.3/sound/i2c/i2c.c ---- linux-2.6.39.3/sound/i2c/i2c.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/i2c/i2c.c 2011-05-22 19:36:35.000000000 -0400 -@@ -80,7 +80,7 @@ int snd_i2c_bus_create(struct snd_card * - { - struct snd_i2c_bus *bus; - int err; -- static struct snd_device_ops ops = { -+ static const struct snd_device_ops ops = { - .dev_free = snd_i2c_bus_dev_free, - }; - -diff -urNp linux-2.6.39.3/sound/i2c/other/ak4113.c linux-2.6.39.3/sound/i2c/other/ak4113.c ---- linux-2.6.39.3/sound/i2c/other/ak4113.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/i2c/other/ak4113.c 2011-05-22 19:36:35.000000000 -0400 -@@ -75,7 +75,7 @@ int snd_ak4113_create(struct snd_card *c - struct ak4113 *chip; - int err = 0; - unsigned char reg; -- static struct snd_device_ops ops = { -+ static const struct snd_device_ops ops = { - .dev_free = snd_ak4113_dev_free, - }; - -diff -urNp linux-2.6.39.3/sound/i2c/other/ak4114.c linux-2.6.39.3/sound/i2c/other/ak4114.c ---- linux-2.6.39.3/sound/i2c/other/ak4114.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/i2c/other/ak4114.c 2011-05-22 19:36:35.000000000 -0400 -@@ -86,7 +86,7 @@ int snd_ak4114_create(struct snd_card *c - struct ak4114 *chip; - int err = 0; - unsigned char reg; -- static struct snd_device_ops ops = { -+ static const struct snd_device_ops ops = { - .dev_free = snd_ak4114_dev_free, - }; - -diff -urNp linux-2.6.39.3/sound/i2c/other/ak4117.c linux-2.6.39.3/sound/i2c/other/ak4117.c ---- linux-2.6.39.3/sound/i2c/other/ak4117.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/i2c/other/ak4117.c 2011-05-22 19:36:35.000000000 -0400 -@@ -78,7 +78,7 @@ int snd_ak4117_create(struct snd_card *c - struct ak4117 *chip; - int err = 0; - unsigned char reg; -- static struct snd_device_ops ops = { -+ static const struct snd_device_ops ops = { - .dev_free = snd_ak4117_dev_free, - }; - -diff -urNp linux-2.6.39.3/sound/isa/ad1816a/ad1816a_lib.c linux-2.6.39.3/sound/isa/ad1816a/ad1816a_lib.c ---- linux-2.6.39.3/sound/isa/ad1816a/ad1816a_lib.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/isa/ad1816a/ad1816a_lib.c 2011-05-22 19:36:35.000000000 -0400 -@@ -575,7 +575,7 @@ int __devinit snd_ad1816a_create(struct - unsigned long port, int irq, int dma1, int dma2, - struct snd_ad1816a **rchip) - { -- static struct snd_device_ops ops = { -+ static const struct snd_device_ops ops = { - .dev_free = snd_ad1816a_dev_free, - }; - int error; -diff -urNp linux-2.6.39.3/sound/isa/es1688/es1688_lib.c linux-2.6.39.3/sound/isa/es1688/es1688_lib.c ---- linux-2.6.39.3/sound/isa/es1688/es1688_lib.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/isa/es1688/es1688_lib.c 2011-05-22 19:36:35.000000000 -0400 -@@ -646,7 +646,7 @@ int snd_es1688_create(struct snd_card *c - int dma8, - unsigned short hardware) - { -- static struct snd_device_ops ops = { -+ static const struct snd_device_ops ops = { - .dev_free = snd_es1688_dev_free, - }; - -diff -urNp linux-2.6.39.3/sound/isa/es18xx.c linux-2.6.39.3/sound/isa/es18xx.c ---- linux-2.6.39.3/sound/isa/es18xx.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/isa/es18xx.c 2011-05-22 19:36:35.000000000 -0400 -@@ -1658,7 +1658,7 @@ static int __devinit snd_es18xx_probe(st - return snd_es18xx_initialize(chip, mpu_port, fm_port); - } - --static struct snd_pcm_ops snd_es18xx_playback_ops = { -+static const struct snd_pcm_ops snd_es18xx_playback_ops = { - .open = snd_es18xx_playback_open, - .close = snd_es18xx_playback_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -1669,7 +1669,7 @@ static struct snd_pcm_ops snd_es18xx_pla - .pointer = snd_es18xx_playback_pointer, - }; - --static struct snd_pcm_ops snd_es18xx_capture_ops = { -+static const struct snd_pcm_ops snd_es18xx_capture_ops = { - .open = snd_es18xx_capture_open, - .close = snd_es18xx_capture_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -1784,7 +1784,7 @@ static int __devinit snd_es18xx_new_devi - int irq, int dma1, int dma2) - { - struct snd_es18xx *chip = card->private_data; -- static struct snd_device_ops ops = { -+ static const struct snd_device_ops ops = { - .dev_free = snd_es18xx_dev_free, - }; - int err; -diff -urNp linux-2.6.39.3/sound/isa/gus/gus_main.c linux-2.6.39.3/sound/isa/gus/gus_main.c ---- linux-2.6.39.3/sound/isa/gus/gus_main.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/isa/gus/gus_main.c 2011-05-22 19:36:35.000000000 -0400 -@@ -139,7 +139,7 @@ int snd_gus_create(struct snd_card *card - { - struct snd_gus_card *gus; - int err; -- static struct snd_device_ops ops = { -+ static const struct snd_device_ops ops = { - .dev_free = snd_gus_dev_free, - }; - -diff -urNp linux-2.6.39.3/sound/isa/msnd/msnd.c linux-2.6.39.3/sound/isa/msnd/msnd.c ---- linux-2.6.39.3/sound/isa/msnd/msnd.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/isa/msnd/msnd.c 2011-05-22 19:36:35.000000000 -0400 -@@ -570,7 +570,7 @@ snd_msnd_playback_pointer(struct snd_pcm - } - - --static struct snd_pcm_ops snd_msnd_playback_ops = { -+static const struct snd_pcm_ops snd_msnd_playback_ops = { - .open = snd_msnd_playback_open, - .close = snd_msnd_playback_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -667,7 +667,7 @@ static int snd_msnd_capture_hw_params(st - } - - --static struct snd_pcm_ops snd_msnd_capture_ops = { -+static const struct snd_pcm_ops snd_msnd_capture_ops = { - .open = snd_msnd_capture_open, - .close = snd_msnd_capture_close, - .ioctl = snd_pcm_lib_ioctl, -diff -urNp linux-2.6.39.3/sound/isa/msnd/msnd_midi.c linux-2.6.39.3/sound/isa/msnd/msnd_midi.c ---- linux-2.6.39.3/sound/isa/msnd/msnd_midi.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/isa/msnd/msnd_midi.c 2011-05-22 19:36:35.000000000 -0400 -@@ -141,7 +141,7 @@ void snd_msndmidi_input_read(void *mpuv) - } - EXPORT_SYMBOL(snd_msndmidi_input_read); - --static struct snd_rawmidi_ops snd_msndmidi_input = { -+static const struct snd_rawmidi_ops snd_msndmidi_input = { - .open = snd_msndmidi_input_open, - .close = snd_msndmidi_input_close, - .trigger = snd_msndmidi_input_trigger, -diff -urNp linux-2.6.39.3/sound/isa/msnd/msnd_pinnacle.c linux-2.6.39.3/sound/isa/msnd/msnd_pinnacle.c ---- linux-2.6.39.3/sound/isa/msnd/msnd_pinnacle.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/isa/msnd/msnd_pinnacle.c 2011-05-22 19:36:35.000000000 -0400 -@@ -539,7 +539,7 @@ static int __devinit snd_msnd_attach(str - { - struct snd_msnd *chip = card->private_data; - int err; -- static struct snd_device_ops ops = { -+ static const struct snd_device_ops ops = { - .dev_free = snd_msnd_dev_free, - }; - -diff -urNp linux-2.6.39.3/sound/isa/sb/emu8000.c linux-2.6.39.3/sound/isa/sb/emu8000.c ---- linux-2.6.39.3/sound/isa/sb/emu8000.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/isa/sb/emu8000.c 2011-05-22 19:36:35.000000000 -0400 -@@ -1079,7 +1079,7 @@ snd_emu8000_new(struct snd_card *card, i - struct snd_seq_device *awe; - struct snd_emu8000 *hw; - int err; -- static struct snd_device_ops ops = { -+ static const struct snd_device_ops ops = { - .dev_free = snd_emu8000_dev_free, - }; - -diff -urNp linux-2.6.39.3/sound/isa/sb/emu8000_pcm.c linux-2.6.39.3/sound/isa/sb/emu8000_pcm.c ---- linux-2.6.39.3/sound/isa/sb/emu8000_pcm.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/isa/sb/emu8000_pcm.c 2011-05-22 19:36:35.000000000 -0400 -@@ -667,7 +667,7 @@ static snd_pcm_uframes_t emu8k_pcm_point - } - - --static struct snd_pcm_ops emu8k_pcm_ops = { -+static const struct snd_pcm_ops emu8k_pcm_ops = { - .open = emu8k_pcm_open, - .close = emu8k_pcm_close, - .ioctl = snd_pcm_lib_ioctl, -diff -urNp linux-2.6.39.3/sound/isa/sb/sb_common.c linux-2.6.39.3/sound/isa/sb/sb_common.c ---- linux-2.6.39.3/sound/isa/sb/sb_common.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/isa/sb/sb_common.c 2011-05-22 19:36:35.000000000 -0400 -@@ -218,7 +218,7 @@ int snd_sbdsp_create(struct snd_card *ca - { - struct snd_sb *chip; - int err; -- static struct snd_device_ops ops = { -+ static const struct snd_device_ops ops = { - .dev_free = snd_sbdsp_dev_free, - }; - -diff -urNp linux-2.6.39.3/sound/isa/wavefront/wavefront_midi.c linux-2.6.39.3/sound/isa/wavefront/wavefront_midi.c ---- linux-2.6.39.3/sound/isa/wavefront/wavefront_midi.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/isa/wavefront/wavefront_midi.c 2011-05-22 19:36:35.000000000 -0400 -@@ -561,14 +561,14 @@ snd_wavefront_midi_start (snd_wavefront_ - return 0; - } - --struct snd_rawmidi_ops snd_wavefront_midi_output = -+const struct snd_rawmidi_ops snd_wavefront_midi_output = - { - .open = snd_wavefront_midi_output_open, - .close = snd_wavefront_midi_output_close, - .trigger = snd_wavefront_midi_output_trigger, - }; - --struct snd_rawmidi_ops snd_wavefront_midi_input = -+const struct snd_rawmidi_ops snd_wavefront_midi_input = - { - .open = snd_wavefront_midi_input_open, - .close = snd_wavefront_midi_input_close, -diff -urNp linux-2.6.39.3/sound/isa/wss/wss_lib.c linux-2.6.39.3/sound/isa/wss/wss_lib.c ---- linux-2.6.39.3/sound/isa/wss/wss_lib.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/isa/wss/wss_lib.c 2011-05-22 19:36:35.000000000 -0400 -@@ -1801,7 +1801,7 @@ int snd_wss_create(struct snd_card *card - unsigned short hwshare, - struct snd_wss **rchip) - { -- static struct snd_device_ops ops = { -+ static const struct snd_device_ops ops = { - .dev_free = snd_wss_dev_free, - }; - struct snd_wss *chip; -diff -urNp linux-2.6.39.3/sound/mips/au1x00.c linux-2.6.39.3/sound/mips/au1x00.c ---- linux-2.6.39.3/sound/mips/au1x00.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/mips/au1x00.c 2011-05-22 19:36:35.000000000 -0400 -@@ -416,7 +416,7 @@ snd_au1000_pointer(struct snd_pcm_substr - return bytes_to_frames(runtime,location); - } - --static struct snd_pcm_ops snd_card_au1000_playback_ops = { -+static const struct snd_pcm_ops snd_card_au1000_playback_ops = { - .open = snd_au1000_playback_open, - .close = snd_au1000_playback_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -427,7 +427,7 @@ static struct snd_pcm_ops snd_card_au100 - .pointer = snd_au1000_pointer, - }; - --static struct snd_pcm_ops snd_card_au1000_capture_ops = { -+static const struct snd_pcm_ops snd_card_au1000_capture_ops = { - .open = snd_au1000_capture_open, - .close = snd_au1000_capture_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -557,7 +557,7 @@ snd_au1000_ac97_new(struct snd_au1000 *a - int err; - struct snd_ac97_bus *pbus; - struct snd_ac97_template ac97; -- static struct snd_ac97_bus_ops ops = { -+ static const struct snd_ac97_bus_ops ops = { - .write = snd_au1000_ac97_write, - .read = snd_au1000_ac97_read, - }; -diff -urNp linux-2.6.39.3/sound/mips/hal2.c linux-2.6.39.3/sound/mips/hal2.c ---- linux-2.6.39.3/sound/mips/hal2.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/mips/hal2.c 2011-05-22 19:36:35.000000000 -0400 -@@ -708,7 +708,7 @@ static int hal2_capture_ack(struct snd_p - return 0; - } - --static struct snd_pcm_ops hal2_playback_ops = { -+static const struct snd_pcm_ops hal2_playback_ops = { - .open = hal2_playback_open, - .close = hal2_playback_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -720,7 +720,7 @@ static struct snd_pcm_ops hal2_playback_ - .ack = hal2_playback_ack, - }; - --static struct snd_pcm_ops hal2_capture_ops = { -+static const struct snd_pcm_ops hal2_capture_ops = { - .open = hal2_capture_open, - .close = hal2_capture_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -766,7 +766,7 @@ static int hal2_dev_free(struct snd_devi - return 0; - } - --static struct snd_device_ops hal2_ops = { -+static const struct snd_device_ops hal2_ops = { - .dev_free = hal2_dev_free, - }; - -diff -urNp linux-2.6.39.3/sound/mips/sgio2audio.c linux-2.6.39.3/sound/mips/sgio2audio.c ---- linux-2.6.39.3/sound/mips/sgio2audio.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/mips/sgio2audio.c 2011-05-22 19:36:35.000000000 -0400 -@@ -681,7 +681,7 @@ snd_sgio2audio_pcm_pointer(struct snd_pc - } - - /* operators */ --static struct snd_pcm_ops snd_sgio2audio_playback1_ops = { -+static const struct snd_pcm_ops snd_sgio2audio_playback1_ops = { - .open = snd_sgio2audio_playback1_open, - .close = snd_sgio2audio_pcm_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -694,7 +694,7 @@ static struct snd_pcm_ops snd_sgio2audio - .mmap = snd_pcm_lib_mmap_vmalloc, - }; - --static struct snd_pcm_ops snd_sgio2audio_playback2_ops = { -+static const struct snd_pcm_ops snd_sgio2audio_playback2_ops = { - .open = snd_sgio2audio_playback2_open, - .close = snd_sgio2audio_pcm_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -707,7 +707,7 @@ static struct snd_pcm_ops snd_sgio2audio - .mmap = snd_pcm_lib_mmap_vmalloc, - }; - --static struct snd_pcm_ops snd_sgio2audio_capture_ops = { -+static const struct snd_pcm_ops snd_sgio2audio_capture_ops = { - .open = snd_sgio2audio_capture_open, - .close = snd_sgio2audio_pcm_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -829,7 +829,7 @@ static int snd_sgio2audio_dev_free(struc - return snd_sgio2audio_free(chip); - } - --static struct snd_device_ops ops = { -+static const struct snd_device_ops ops = { - .dev_free = snd_sgio2audio_dev_free, - }; - -diff -urNp linux-2.6.39.3/sound/oss/ac97_codec.c linux-2.6.39.3/sound/oss/ac97_codec.c ---- linux-2.6.39.3/sound/oss/ac97_codec.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/oss/ac97_codec.c 2011-05-22 19:36:35.000000000 -0400 -@@ -99,23 +99,23 @@ static int generic_digital_control(struc - * operations yet - */ - --static struct ac97_ops null_ops = { NULL, NULL, NULL }; --static struct ac97_ops default_ops = { NULL, eapd_control, NULL }; --static struct ac97_ops default_digital_ops = { NULL, eapd_control, generic_digital_control}; --static struct ac97_ops wolfson_ops03 = { wolfson_init03, NULL, NULL }; --static struct ac97_ops wolfson_ops04 = { wolfson_init04, NULL, NULL }; --static struct ac97_ops wolfson_ops05 = { wolfson_init05, NULL, NULL }; --static struct ac97_ops wolfson_ops11 = { wolfson_init11, NULL, NULL }; --static struct ac97_ops wolfson_ops13 = { wolfson_init13, NULL, NULL }; --static struct ac97_ops tritech_ops = { tritech_init, NULL, NULL }; --static struct ac97_ops tritech_m_ops = { tritech_maestro_init, NULL, NULL }; --static struct ac97_ops sigmatel_9708_ops = { sigmatel_9708_init, NULL, NULL }; --static struct ac97_ops sigmatel_9721_ops = { sigmatel_9721_init, NULL, NULL }; --static struct ac97_ops sigmatel_9744_ops = { sigmatel_9744_init, NULL, NULL }; --static struct ac97_ops crystal_digital_ops = { NULL, eapd_control, crystal_digital_control }; --static struct ac97_ops ad1886_ops = { ad1886_init, eapd_control, NULL }; --static struct ac97_ops cmedia_ops = { NULL, eapd_control, NULL}; --static struct ac97_ops cmedia_digital_ops = { cmedia_init, eapd_control, cmedia_digital_control}; -+static const struct ac97_ops null_ops = { NULL, NULL, NULL }; -+static const struct ac97_ops default_ops = { NULL, eapd_control, NULL }; -+static const struct ac97_ops default_digital_ops = { NULL, eapd_control, generic_digital_control}; -+static const struct ac97_ops wolfson_ops03 = { wolfson_init03, NULL, NULL }; -+static const struct ac97_ops wolfson_ops04 = { wolfson_init04, NULL, NULL }; -+static const struct ac97_ops wolfson_ops05 = { wolfson_init05, NULL, NULL }; -+static const struct ac97_ops wolfson_ops11 = { wolfson_init11, NULL, NULL }; -+static const struct ac97_ops wolfson_ops13 = { wolfson_init13, NULL, NULL }; -+static const struct ac97_ops tritech_ops = { tritech_init, NULL, NULL }; -+static const struct ac97_ops tritech_m_ops = { tritech_maestro_init, NULL, NULL }; -+static const struct ac97_ops sigmatel_9708_ops = { sigmatel_9708_init, NULL, NULL }; -+static const struct ac97_ops sigmatel_9721_ops = { sigmatel_9721_init, NULL, NULL }; -+static const struct ac97_ops sigmatel_9744_ops = { sigmatel_9744_init, NULL, NULL }; -+static const struct ac97_ops crystal_digital_ops = { NULL, eapd_control, crystal_digital_control }; -+static const struct ac97_ops ad1886_ops = { ad1886_init, eapd_control, NULL }; -+static const struct ac97_ops cmedia_ops = { NULL, eapd_control, NULL}; -+static const struct ac97_ops cmedia_digital_ops = { cmedia_init, eapd_control, cmedia_digital_control}; - - /* sorted by vendor/device id */ - static const struct { -diff -urNp linux-2.6.39.3/sound/oss/sb_audio.c linux-2.6.39.3/sound/oss/sb_audio.c ---- linux-2.6.39.3/sound/oss/sb_audio.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/oss/sb_audio.c 2011-05-22 19:36:35.000000000 -0400 -@@ -901,7 +901,7 @@ sb16_copy_from_user(int dev, - buf16 = (signed short *)(localbuf + localoffs); - while (c) - { -- locallen = (c >= LBUFCOPYSIZE ? LBUFCOPYSIZE : c); -+ locallen = ((unsigned)c >= LBUFCOPYSIZE ? LBUFCOPYSIZE : c); - if (copy_from_user(lbuf8, - userbuf+useroffs + p, - locallen)) -diff -urNp linux-2.6.39.3/sound/oss/swarm_cs4297a.c linux-2.6.39.3/sound/oss/swarm_cs4297a.c ---- linux-2.6.39.3/sound/oss/swarm_cs4297a.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/oss/swarm_cs4297a.c 2011-05-22 19:36:35.000000000 -0400 -@@ -2606,7 +2606,6 @@ static int __init cs4297a_init(void) - { - struct cs4297a_state *s; - u32 pwr, id; -- mm_segment_t fs; - int rval; - #ifndef CONFIG_BCM_CS4297A_CSWARM - u64 cfg; -@@ -2696,22 +2695,23 @@ static int __init cs4297a_init(void) - if (!rval) { - char *sb1250_duart_present; - -+#if 0 -+ mm_segment_t fs; - fs = get_fs(); - set_fs(KERNEL_DS); --#if 0 - val = SOUND_MASK_LINE; - mixer_ioctl(s, SOUND_MIXER_WRITE_RECSRC, (unsigned long) &val); - for (i = 0; i < ARRAY_SIZE(initvol); i++) { - val = initvol[i].vol; - mixer_ioctl(s, initvol[i].mixch, (unsigned long) &val); - } -+ set_fs(fs); - // cs4297a_write_ac97(s, 0x18, 0x0808); - #else - // cs4297a_write_ac97(s, 0x5e, 0x180); - cs4297a_write_ac97(s, 0x02, 0x0808); - cs4297a_write_ac97(s, 0x18, 0x0808); - #endif -- set_fs(fs); - - list_add(&s->list, &cs4297a_devs); - -diff -urNp linux-2.6.39.3/sound/parisc/harmony.c linux-2.6.39.3/sound/parisc/harmony.c ---- linux-2.6.39.3/sound/parisc/harmony.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/parisc/harmony.c 2011-05-22 19:36:35.000000000 -0400 -@@ -596,7 +596,7 @@ snd_harmony_hw_free(struct snd_pcm_subst - return snd_pcm_lib_free_pages(ss); - } - --static struct snd_pcm_ops snd_harmony_playback_ops = { -+static const struct snd_pcm_ops snd_harmony_playback_ops = { - .open = snd_harmony_playback_open, - .close = snd_harmony_playback_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -607,7 +607,7 @@ static struct snd_pcm_ops snd_harmony_pl - .pointer = snd_harmony_playback_pointer, - }; - --static struct snd_pcm_ops snd_harmony_capture_ops = { -+static const struct snd_pcm_ops snd_harmony_capture_ops = { - .open = snd_harmony_capture_open, - .close = snd_harmony_capture_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -922,7 +922,7 @@ snd_harmony_create(struct snd_card *card - { - int err; - struct snd_harmony *h; -- static struct snd_device_ops ops = { -+ static const struct snd_device_ops ops = { - .dev_free = snd_harmony_dev_free, - }; - -diff -urNp linux-2.6.39.3/sound/pci/ac97/ac97_codec.c linux-2.6.39.3/sound/pci/ac97/ac97_codec.c ---- linux-2.6.39.3/sound/pci/ac97/ac97_codec.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/pci/ac97/ac97_codec.c 2011-05-22 19:36:35.000000000 -0400 -@@ -1910,12 +1910,12 @@ static int ac97_reset_wait(struct snd_ac - * - * Returns zero if successful, or a negative error code on failure. - */ --int snd_ac97_bus(struct snd_card *card, int num, struct snd_ac97_bus_ops *ops, -+int snd_ac97_bus(struct snd_card *card, int num, const struct snd_ac97_bus_ops *ops, - void *private_data, struct snd_ac97_bus **rbus) - { - int err; - struct snd_ac97_bus *bus; -- static struct snd_device_ops dev_ops = { -+ static const struct snd_device_ops dev_ops = { - .dev_free = snd_ac97_bus_dev_free, - }; - -@@ -2015,7 +2015,7 @@ int snd_ac97_mixer(struct snd_ac97_bus * - unsigned long end_time; - unsigned int reg; - const struct ac97_codec_id *pid; -- static struct snd_device_ops ops = { -+ static const struct snd_device_ops ops = { - .dev_free = snd_ac97_dev_free, - .dev_register = snd_ac97_dev_register, - .dev_disconnect = snd_ac97_dev_disconnect, -diff -urNp linux-2.6.39.3/sound/pci/ad1889.c linux-2.6.39.3/sound/pci/ad1889.c ---- linux-2.6.39.3/sound/pci/ad1889.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/pci/ad1889.c 2011-05-22 19:36:35.000000000 -0400 -@@ -574,7 +574,7 @@ snd_ad1889_capture_pointer(struct snd_pc - return bytes_to_frames(ss->runtime, ptr); - } - --static struct snd_pcm_ops snd_ad1889_playback_ops = { -+static const struct snd_pcm_ops snd_ad1889_playback_ops = { - .open = snd_ad1889_playback_open, - .close = snd_ad1889_playback_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -585,7 +585,7 @@ static struct snd_pcm_ops snd_ad1889_pla - .pointer = snd_ad1889_playback_pointer, - }; - --static struct snd_pcm_ops snd_ad1889_capture_ops = { -+static const struct snd_pcm_ops snd_ad1889_capture_ops = { - .open = snd_ad1889_capture_open, - .close = snd_ad1889_capture_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -809,7 +809,7 @@ snd_ad1889_ac97_init(struct snd_ad1889 * - { - int err; - struct snd_ac97_template ac97; -- static struct snd_ac97_bus_ops ops = { -+ static const struct snd_ac97_bus_ops ops = { - .write = snd_ad1889_ac97_write, - .read = snd_ad1889_ac97_read, - }; -@@ -899,7 +899,7 @@ snd_ad1889_create(struct snd_card *card, - int err; - - struct snd_ad1889 *chip; -- static struct snd_device_ops ops = { -+ static const struct snd_device_ops ops = { - .dev_free = snd_ad1889_dev_free, - }; - -diff -urNp linux-2.6.39.3/sound/pci/ak4531_codec.c linux-2.6.39.3/sound/pci/ak4531_codec.c ---- linux-2.6.39.3/sound/pci/ak4531_codec.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/pci/ak4531_codec.c 2011-05-22 19:36:35.000000000 -0400 -@@ -389,7 +389,7 @@ int __devinit snd_ak4531_mixer(struct sn - unsigned int idx; - int err; - struct snd_ak4531 *ak4531; -- static struct snd_device_ops ops = { -+ static const struct snd_device_ops ops = { - .dev_free = snd_ak4531_dev_free, - }; - -diff -urNp linux-2.6.39.3/sound/pci/ali5451/ali5451.c linux-2.6.39.3/sound/pci/ali5451/ali5451.c ---- linux-2.6.39.3/sound/pci/ali5451/ali5451.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/pci/ali5451/ali5451.c 2011-05-22 19:36:35.000000000 -0400 -@@ -1847,7 +1847,7 @@ static int __devinit snd_ali_mixer(struc - struct snd_ac97_template ac97; - unsigned int idx; - int i, err; -- static struct snd_ac97_bus_ops ops = { -+ static const struct snd_ac97_bus_ops ops = { - .write = snd_ali_codec_write, - .read = snd_ali_codec_read, - }; -@@ -2114,7 +2114,7 @@ static int __devinit snd_ali_create(stru - struct snd_ali *codec; - int i, err; - unsigned short cmdw; -- static struct snd_device_ops ops = { -+ static const struct snd_device_ops ops = { - .dev_free = snd_ali_dev_free, - }; - -diff -urNp linux-2.6.39.3/sound/pci/als300.c linux-2.6.39.3/sound/pci/als300.c ---- linux-2.6.39.3/sound/pci/als300.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/pci/als300.c 2011-05-22 19:36:35.000000000 -0400 -@@ -319,7 +319,7 @@ static int snd_als300_ac97(struct snd_al - struct snd_ac97_bus *bus; - struct snd_ac97_template ac97; - int err; -- static struct snd_ac97_bus_ops ops = { -+ static const struct snd_ac97_bus_ops ops = { - .write = snd_als300_ac97_write, - .read = snd_als300_ac97_read, - }; -@@ -589,7 +589,7 @@ static snd_pcm_uframes_t snd_als300_poin - return bytes_to_frames(substream->runtime, current_ptr); - } - --static struct snd_pcm_ops snd_als300_playback_ops = { -+static const struct snd_pcm_ops snd_als300_playback_ops = { - .open = snd_als300_playback_open, - .close = snd_als300_playback_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -600,7 +600,7 @@ static struct snd_pcm_ops snd_als300_pla - .pointer = snd_als300_pointer, - }; - --static struct snd_pcm_ops snd_als300_capture_ops = { -+static const struct snd_pcm_ops snd_als300_capture_ops = { - .open = snd_als300_capture_open, - .close = snd_als300_capture_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -680,7 +680,7 @@ static int __devinit snd_als300_create(s - void *irq_handler; - int err; - -- static struct snd_device_ops ops = { -+ static const struct snd_device_ops ops = { - .dev_free = snd_als300_dev_free, - }; - *rchip = NULL; -diff -urNp linux-2.6.39.3/sound/pci/als4000.c linux-2.6.39.3/sound/pci/als4000.c ---- linux-2.6.39.3/sound/pci/als4000.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/pci/als4000.c 2011-05-22 19:36:35.000000000 -0400 -@@ -672,7 +672,7 @@ static int snd_als4000_capture_close(str - - /******************************************************************/ - --static struct snd_pcm_ops snd_als4000_playback_ops = { -+static const struct snd_pcm_ops snd_als4000_playback_ops = { - .open = snd_als4000_playback_open, - .close = snd_als4000_playback_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -683,7 +683,7 @@ static struct snd_pcm_ops snd_als4000_pl - .pointer = snd_als4000_playback_pointer - }; - --static struct snd_pcm_ops snd_als4000_capture_ops = { -+static const struct snd_pcm_ops snd_als4000_capture_ops = { - .open = snd_als4000_capture_open, - .close = snd_als4000_capture_close, - .ioctl = snd_pcm_lib_ioctl, -diff -urNp linux-2.6.39.3/sound/pci/asihpi/asihpi.c linux-2.6.39.3/sound/pci/asihpi/asihpi.c ---- linux-2.6.39.3/sound/pci/asihpi/asihpi.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/pci/asihpi/asihpi.c 2011-05-22 19:36:35.000000000 -0400 -@@ -1067,7 +1067,7 @@ static int snd_card_asihpi_playback_sile - return 0; - } - --static struct snd_pcm_ops snd_card_asihpi_playback_ops = { -+static const struct snd_pcm_ops snd_card_asihpi_playback_ops = { - .open = snd_card_asihpi_playback_open, - .close = snd_card_asihpi_playback_close, - .ioctl = snd_card_asihpi_playback_ioctl, -@@ -1080,7 +1080,7 @@ static struct snd_pcm_ops snd_card_asihp - .silence = snd_card_asihpi_playback_silence, - }; - --static struct snd_pcm_ops snd_card_asihpi_playback_mmap_ops = { -+static const struct snd_pcm_ops snd_card_asihpi_playback_mmap_ops = { - .open = snd_card_asihpi_playback_open, - .close = snd_card_asihpi_playback_close, - .ioctl = snd_card_asihpi_playback_ioctl, -@@ -1268,7 +1268,7 @@ static int snd_card_asihpi_capture_copy( - return 0; - } - --static struct snd_pcm_ops snd_card_asihpi_capture_mmap_ops = { -+static const struct snd_pcm_ops snd_card_asihpi_capture_mmap_ops = { - .open = snd_card_asihpi_capture_open, - .close = snd_card_asihpi_capture_close, - .ioctl = snd_card_asihpi_capture_ioctl, -@@ -1279,7 +1279,7 @@ static struct snd_pcm_ops snd_card_asihp - .pointer = snd_card_asihpi_capture_pointer, - }; - --static struct snd_pcm_ops snd_card_asihpi_capture_ops = { -+static const struct snd_pcm_ops snd_card_asihpi_capture_ops = { - .open = snd_card_asihpi_capture_open, - .close = snd_card_asihpi_capture_close, - .ioctl = snd_card_asihpi_capture_ioctl, -diff -urNp linux-2.6.39.3/sound/pci/atiixp.c linux-2.6.39.3/sound/pci/atiixp.c ---- linux-2.6.39.3/sound/pci/atiixp.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/pci/atiixp.c 2011-05-22 19:36:35.000000000 -0400 -@@ -1148,7 +1148,7 @@ static int snd_atiixp_spdif_close(struct - } - - /* AC97 playback */ --static struct snd_pcm_ops snd_atiixp_playback_ops = { -+static const struct snd_pcm_ops snd_atiixp_playback_ops = { - .open = snd_atiixp_playback_open, - .close = snd_atiixp_playback_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -1160,7 +1160,7 @@ static struct snd_pcm_ops snd_atiixp_pla - }; - - /* AC97 capture */ --static struct snd_pcm_ops snd_atiixp_capture_ops = { -+static const struct snd_pcm_ops snd_atiixp_capture_ops = { - .open = snd_atiixp_capture_open, - .close = snd_atiixp_capture_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -1172,7 +1172,7 @@ static struct snd_pcm_ops snd_atiixp_cap - }; - - /* SPDIF playback */ --static struct snd_pcm_ops snd_atiixp_spdif_ops = { -+static const struct snd_pcm_ops snd_atiixp_spdif_ops = { - .open = snd_atiixp_spdif_open, - .close = snd_atiixp_spdif_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -1410,7 +1410,7 @@ static int __devinit snd_atiixp_mixer_ne - struct snd_ac97_template ac97; - int i, err; - int codec_count; -- static struct snd_ac97_bus_ops ops = { -+ static const struct snd_ac97_bus_ops ops = { - .write = snd_atiixp_ac97_write, - .read = snd_atiixp_ac97_read, - }; -@@ -1590,7 +1590,7 @@ static int __devinit snd_atiixp_create(s - struct pci_dev *pci, - struct atiixp **r_chip) - { -- static struct snd_device_ops ops = { -+ static const struct snd_device_ops ops = { - .dev_free = snd_atiixp_dev_free, - }; - struct atiixp *chip; -diff -urNp linux-2.6.39.3/sound/pci/atiixp_modem.c linux-2.6.39.3/sound/pci/atiixp_modem.c ---- linux-2.6.39.3/sound/pci/atiixp_modem.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/pci/atiixp_modem.c 2011-05-22 19:36:35.000000000 -0400 -@@ -947,7 +947,7 @@ static int snd_atiixp_capture_close(stru - - - /* AC97 playback */ --static struct snd_pcm_ops snd_atiixp_playback_ops = { -+static const struct snd_pcm_ops snd_atiixp_playback_ops = { - .open = snd_atiixp_playback_open, - .close = snd_atiixp_playback_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -959,7 +959,7 @@ static struct snd_pcm_ops snd_atiixp_pla - }; - - /* AC97 capture */ --static struct snd_pcm_ops snd_atiixp_capture_ops = { -+static const struct snd_pcm_ops snd_atiixp_capture_ops = { - .open = snd_atiixp_capture_open, - .close = snd_atiixp_capture_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -1067,7 +1067,7 @@ static int __devinit snd_atiixp_mixer_ne - struct snd_ac97_template ac97; - int i, err; - int codec_count; -- static struct snd_ac97_bus_ops ops = { -+ static const struct snd_ac97_bus_ops ops = { - .write = snd_atiixp_ac97_write, - .read = snd_atiixp_ac97_read, - }; -@@ -1226,7 +1226,7 @@ static int __devinit snd_atiixp_create(s - struct pci_dev *pci, - struct atiixp_modem **r_chip) - { -- static struct snd_device_ops ops = { -+ static const struct snd_device_ops ops = { - .dev_free = snd_atiixp_dev_free, - }; - struct atiixp_modem *chip; -diff -urNp linux-2.6.39.3/sound/pci/au88x0/au88x0_pcm.c linux-2.6.39.3/sound/pci/au88x0/au88x0_pcm.c ---- linux-2.6.39.3/sound/pci/au88x0/au88x0_pcm.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/pci/au88x0/au88x0_pcm.c 2011-05-22 19:36:35.000000000 -0400 -@@ -409,7 +409,7 @@ static snd_pcm_uframes_t snd_vortex_pcm_ - } - - /* operators */ --static struct snd_pcm_ops snd_vortex_playback_ops = { -+static const struct snd_pcm_ops snd_vortex_playback_ops = { - .open = snd_vortex_pcm_open, - .close = snd_vortex_pcm_close, - .ioctl = snd_pcm_lib_ioctl, -diff -urNp linux-2.6.39.3/sound/pci/aw2/aw2-alsa.c linux-2.6.39.3/sound/pci/aw2/aw2-alsa.c ---- linux-2.6.39.3/sound/pci/aw2/aw2-alsa.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/pci/aw2/aw2-alsa.c 2011-05-22 19:36:35.000000000 -0400 -@@ -178,7 +178,7 @@ static struct pci_driver driver = { - }; - - /* operators for playback PCM alsa interface */ --static struct snd_pcm_ops snd_aw2_playback_ops = { -+static const struct snd_pcm_ops snd_aw2_playback_ops = { - .open = snd_aw2_pcm_playback_open, - .close = snd_aw2_pcm_playback_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -190,7 +190,7 @@ static struct snd_pcm_ops snd_aw2_playba - }; - - /* operators for capture PCM alsa interface */ --static struct snd_pcm_ops snd_aw2_capture_ops = { -+static const struct snd_pcm_ops snd_aw2_capture_ops = { - .open = snd_aw2_pcm_capture_open, - .close = snd_aw2_pcm_capture_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -263,7 +263,7 @@ static int __devinit snd_aw2_create(stru - { - struct aw2 *chip; - int err; -- static struct snd_device_ops ops = { -+ static const struct snd_device_ops ops = { - .dev_free = snd_aw2_dev_free, - }; - -diff -urNp linux-2.6.39.3/sound/pci/azt3328.c linux-2.6.39.3/sound/pci/azt3328.c ---- linux-2.6.39.3/sound/pci/azt3328.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/pci/azt3328.c 2011-05-22 19:36:35.000000000 -0400 -@@ -822,7 +822,7 @@ snd_azf3328_mixer_new(struct snd_azf3328 - { - struct snd_ac97_bus *bus; - struct snd_ac97_template ac97; -- static struct snd_ac97_bus_ops ops = { -+ static const struct snd_ac97_bus_ops ops = { - .write = snd_azf3328_mixer_ac97_write, - .read = snd_azf3328_mixer_ac97_read, - }; -@@ -2179,7 +2179,7 @@ snd_azf3328_pcm_close(struct snd_pcm_sub - - /******************************************************************/ - --static struct snd_pcm_ops snd_azf3328_playback_ops = { -+static const struct snd_pcm_ops snd_azf3328_playback_ops = { - .open = snd_azf3328_pcm_playback_open, - .close = snd_azf3328_pcm_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -2190,7 +2190,7 @@ static struct snd_pcm_ops snd_azf3328_pl - .pointer = snd_azf3328_pcm_pointer - }; - --static struct snd_pcm_ops snd_azf3328_capture_ops = { -+static const struct snd_pcm_ops snd_azf3328_capture_ops = { - .open = snd_azf3328_pcm_capture_open, - .close = snd_azf3328_pcm_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -2201,7 +2201,7 @@ static struct snd_pcm_ops snd_azf3328_ca - .pointer = snd_azf3328_pcm_pointer - }; - --static struct snd_pcm_ops snd_azf3328_i2s_out_ops = { -+static const struct snd_pcm_ops snd_azf3328_i2s_out_ops = { - .open = snd_azf3328_pcm_i2s_out_open, - .close = snd_azf3328_pcm_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -2497,7 +2497,7 @@ snd_azf3328_create(struct snd_card *card - { - struct snd_azf3328 *chip; - int err; -- static struct snd_device_ops ops = { -+ static const struct snd_device_ops ops = { - .dev_free = snd_azf3328_dev_free, - }; - u8 dma_init; -diff -urNp linux-2.6.39.3/sound/pci/bt87x.c linux-2.6.39.3/sound/pci/bt87x.c ---- linux-2.6.39.3/sound/pci/bt87x.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/pci/bt87x.c 2011-05-22 19:36:35.000000000 -0400 -@@ -542,7 +542,7 @@ static snd_pcm_uframes_t snd_bt87x_point - return (snd_pcm_uframes_t)bytes_to_frames(runtime, chip->current_line * chip->line_bytes); - } - --static struct snd_pcm_ops snd_bt87x_pcm_ops = { -+static const struct snd_pcm_ops snd_bt87x_pcm_ops = { - .open = snd_bt87x_pcm_open, - .close = snd_bt87x_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -720,7 +720,7 @@ static int __devinit snd_bt87x_create(st - { - struct snd_bt87x *chip; - int err; -- static struct snd_device_ops ops = { -+ static const struct snd_device_ops ops = { - .dev_free = snd_bt87x_dev_free - }; - -diff -urNp linux-2.6.39.3/sound/pci/ca0106/ca0106_main.c linux-2.6.39.3/sound/pci/ca0106/ca0106_main.c ---- linux-2.6.39.3/sound/pci/ca0106/ca0106_main.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/pci/ca0106/ca0106_main.c 2011-05-22 19:36:35.000000000 -0400 -@@ -1103,7 +1103,7 @@ snd_ca0106_pcm_pointer_capture(struct sn - } - - /* operators */ --static struct snd_pcm_ops snd_ca0106_playback_front_ops = { -+static const struct snd_pcm_ops snd_ca0106_playback_front_ops = { - .open = snd_ca0106_pcm_open_playback_front, - .close = snd_ca0106_pcm_close_playback, - .ioctl = snd_pcm_lib_ioctl, -@@ -1114,7 +1114,7 @@ static struct snd_pcm_ops snd_ca0106_pla - .pointer = snd_ca0106_pcm_pointer_playback, - }; - --static struct snd_pcm_ops snd_ca0106_capture_0_ops = { -+static const struct snd_pcm_ops snd_ca0106_capture_0_ops = { - .open = snd_ca0106_pcm_open_0_capture, - .close = snd_ca0106_pcm_close_capture, - .ioctl = snd_pcm_lib_ioctl, -@@ -1125,7 +1125,7 @@ static struct snd_pcm_ops snd_ca0106_cap - .pointer = snd_ca0106_pcm_pointer_capture, - }; - --static struct snd_pcm_ops snd_ca0106_capture_1_ops = { -+static const struct snd_pcm_ops snd_ca0106_capture_1_ops = { - .open = snd_ca0106_pcm_open_1_capture, - .close = snd_ca0106_pcm_close_capture, - .ioctl = snd_pcm_lib_ioctl, -@@ -1136,7 +1136,7 @@ static struct snd_pcm_ops snd_ca0106_cap - .pointer = snd_ca0106_pcm_pointer_capture, - }; - --static struct snd_pcm_ops snd_ca0106_capture_2_ops = { -+static const struct snd_pcm_ops snd_ca0106_capture_2_ops = { - .open = snd_ca0106_pcm_open_2_capture, - .close = snd_ca0106_pcm_close_capture, - .ioctl = snd_pcm_lib_ioctl, -@@ -1147,7 +1147,7 @@ static struct snd_pcm_ops snd_ca0106_cap - .pointer = snd_ca0106_pcm_pointer_capture, - }; - --static struct snd_pcm_ops snd_ca0106_capture_3_ops = { -+static const struct snd_pcm_ops snd_ca0106_capture_3_ops = { - .open = snd_ca0106_pcm_open_3_capture, - .close = snd_ca0106_pcm_close_capture, - .ioctl = snd_pcm_lib_ioctl, -@@ -1158,7 +1158,7 @@ static struct snd_pcm_ops snd_ca0106_cap - .pointer = snd_ca0106_pcm_pointer_capture, - }; - --static struct snd_pcm_ops snd_ca0106_playback_center_lfe_ops = { -+static const struct snd_pcm_ops snd_ca0106_playback_center_lfe_ops = { - .open = snd_ca0106_pcm_open_playback_center_lfe, - .close = snd_ca0106_pcm_close_playback, - .ioctl = snd_pcm_lib_ioctl, -@@ -1169,7 +1169,7 @@ static struct snd_pcm_ops snd_ca0106_pla - .pointer = snd_ca0106_pcm_pointer_playback, - }; - --static struct snd_pcm_ops snd_ca0106_playback_unknown_ops = { -+static const struct snd_pcm_ops snd_ca0106_playback_unknown_ops = { - .open = snd_ca0106_pcm_open_playback_unknown, - .close = snd_ca0106_pcm_close_playback, - .ioctl = snd_pcm_lib_ioctl, -@@ -1180,7 +1180,7 @@ static struct snd_pcm_ops snd_ca0106_pla - .pointer = snd_ca0106_pcm_pointer_playback, - }; - --static struct snd_pcm_ops snd_ca0106_playback_rear_ops = { -+static const struct snd_pcm_ops snd_ca0106_playback_rear_ops = { - .open = snd_ca0106_pcm_open_playback_rear, - .close = snd_ca0106_pcm_close_playback, - .ioctl = snd_pcm_lib_ioctl, -@@ -1223,7 +1223,7 @@ static int snd_ca0106_ac97(struct snd_ca - struct snd_ac97_bus *pbus; - struct snd_ac97_template ac97; - int err; -- static struct snd_ac97_bus_ops ops = { -+ static const struct snd_ac97_bus_ops ops = { - .write = snd_ca0106_ac97_write, - .read = snd_ca0106_ac97_read, - }; -@@ -1629,7 +1629,7 @@ static int __devinit snd_ca0106_create(i - struct snd_ca0106 *chip; - struct snd_ca0106_details *c; - int err; -- static struct snd_device_ops ops = { -+ static const struct snd_device_ops ops = { - .dev_free = snd_ca0106_dev_free, - }; - -diff -urNp linux-2.6.39.3/sound/pci/ca0106/ca_midi.c linux-2.6.39.3/sound/pci/ca0106/ca_midi.c ---- linux-2.6.39.3/sound/pci/ca0106/ca_midi.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/pci/ca0106/ca_midi.c 2011-05-22 19:36:35.000000000 -0400 -@@ -255,15 +255,13 @@ static void ca_midi_output_trigger(struc - } - } - --static struct snd_rawmidi_ops ca_midi_output = --{ -+static const struct snd_rawmidi_ops ca_midi_output = { - .open = ca_midi_output_open, - .close = ca_midi_output_close, - .trigger = ca_midi_output_trigger, - }; - --static struct snd_rawmidi_ops ca_midi_input = --{ -+static const struct snd_rawmidi_ops ca_midi_input = { - .open = ca_midi_input_open, - .close = ca_midi_input_close, - .trigger = ca_midi_input_trigger, -diff -urNp linux-2.6.39.3/sound/pci/cmipci.c linux-2.6.39.3/sound/pci/cmipci.c ---- linux-2.6.39.3/sound/pci/cmipci.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/pci/cmipci.c 2011-05-22 19:36:35.000000000 -0400 -@@ -1838,7 +1838,7 @@ static int snd_cmipci_capture_spdif_clos - /* - */ - --static struct snd_pcm_ops snd_cmipci_playback_ops = { -+static const struct snd_pcm_ops snd_cmipci_playback_ops = { - .open = snd_cmipci_playback_open, - .close = snd_cmipci_playback_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -1849,7 +1849,7 @@ static struct snd_pcm_ops snd_cmipci_pla - .pointer = snd_cmipci_playback_pointer, - }; - --static struct snd_pcm_ops snd_cmipci_capture_ops = { -+static const struct snd_pcm_ops snd_cmipci_capture_ops = { - .open = snd_cmipci_capture_open, - .close = snd_cmipci_capture_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -1860,7 +1860,7 @@ static struct snd_pcm_ops snd_cmipci_cap - .pointer = snd_cmipci_capture_pointer, - }; - --static struct snd_pcm_ops snd_cmipci_playback2_ops = { -+static const struct snd_pcm_ops snd_cmipci_playback2_ops = { - .open = snd_cmipci_playback2_open, - .close = snd_cmipci_playback2_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -1871,7 +1871,7 @@ static struct snd_pcm_ops snd_cmipci_pla - .pointer = snd_cmipci_capture_pointer, /* channel B */ - }; - --static struct snd_pcm_ops snd_cmipci_playback_spdif_ops = { -+static const struct snd_pcm_ops snd_cmipci_playback_spdif_ops = { - .open = snd_cmipci_playback_spdif_open, - .close = snd_cmipci_playback_spdif_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -1882,7 +1882,7 @@ static struct snd_pcm_ops snd_cmipci_pla - .pointer = snd_cmipci_playback_pointer, - }; - --static struct snd_pcm_ops snd_cmipci_capture_spdif_ops = { -+static const struct snd_pcm_ops snd_cmipci_capture_spdif_ops = { - .open = snd_cmipci_capture_spdif_open, - .close = snd_cmipci_capture_spdif_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -3011,7 +3011,7 @@ static int __devinit snd_cmipci_create(s - { - struct cmipci *cm; - int err; -- static struct snd_device_ops ops = { -+ static const struct snd_device_ops ops = { - .dev_free = snd_cmipci_dev_free, - }; - unsigned int val; -diff -urNp linux-2.6.39.3/sound/pci/cs4281.c linux-2.6.39.3/sound/pci/cs4281.c ---- linux-2.6.39.3/sound/pci/cs4281.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/pci/cs4281.c 2011-05-22 19:36:35.000000000 -0400 -@@ -947,7 +947,7 @@ static int snd_cs4281_capture_close(stru - return 0; - } - --static struct snd_pcm_ops snd_cs4281_playback_ops = { -+static const struct snd_pcm_ops snd_cs4281_playback_ops = { - .open = snd_cs4281_playback_open, - .close = snd_cs4281_playback_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -958,7 +958,7 @@ static struct snd_pcm_ops snd_cs4281_pla - .pointer = snd_cs4281_pointer, - }; - --static struct snd_pcm_ops snd_cs4281_capture_ops = { -+static const struct snd_pcm_ops snd_cs4281_capture_ops = { - .open = snd_cs4281_capture_open, - .close = snd_cs4281_capture_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -1098,7 +1098,7 @@ static int __devinit snd_cs4281_mixer(st - struct snd_card *card = chip->card; - struct snd_ac97_template ac97; - int err; -- static struct snd_ac97_bus_ops ops = { -+ static const struct snd_ac97_bus_ops ops = { - .write = snd_cs4281_ac97_write, - .read = snd_cs4281_ac97_read, - }; -@@ -1343,7 +1343,7 @@ static int __devinit snd_cs4281_create(s - struct cs4281 *chip; - unsigned int tmp; - int err; -- static struct snd_device_ops ops = { -+ static const struct snd_device_ops ops = { - .dev_free = snd_cs4281_dev_free, - }; - -@@ -1765,15 +1765,13 @@ static void snd_cs4281_midi_output_trigg - spin_unlock_irqrestore(&chip->reg_lock, flags); - } - --static struct snd_rawmidi_ops snd_cs4281_midi_output = --{ -+static const struct snd_rawmidi_ops snd_cs4281_midi_output = { - .open = snd_cs4281_midi_output_open, - .close = snd_cs4281_midi_output_close, - .trigger = snd_cs4281_midi_output_trigger, - }; - --static struct snd_rawmidi_ops snd_cs4281_midi_input = --{ -+static const struct snd_rawmidi_ops snd_cs4281_midi_input = { - .open = snd_cs4281_midi_input_open, - .close = snd_cs4281_midi_input_close, - .trigger = snd_cs4281_midi_input_trigger, -diff -urNp linux-2.6.39.3/sound/pci/cs46xx/cs46xx_lib.c linux-2.6.39.3/sound/pci/cs46xx/cs46xx_lib.c ---- linux-2.6.39.3/sound/pci/cs46xx/cs46xx_lib.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/pci/cs46xx/cs46xx_lib.c 2011-05-22 19:36:35.000000000 -0400 -@@ -3722,7 +3722,7 @@ int __devinit snd_cs46xx_create(struct s - struct snd_cs46xx_region *region; - struct cs_card_type *cp; - u16 ss_card, ss_vendor; -- static struct snd_device_ops ops = { -+ static const struct snd_device_ops ops = { - .dev_free = snd_cs46xx_dev_free, - }; - -diff -urNp linux-2.6.39.3/sound/pci/cs5530.c linux-2.6.39.3/sound/pci/cs5530.c ---- linux-2.6.39.3/sound/pci/cs5530.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/pci/cs5530.c 2011-05-22 19:36:35.000000000 -0400 -@@ -107,7 +107,7 @@ static int __devinit snd_cs5530_create(s - void __iomem *mem; - int err; - -- static struct snd_device_ops ops = { -+ static const struct snd_device_ops ops = { - .dev_free = snd_cs5530_dev_free, - }; - *rchip = NULL; -diff -urNp linux-2.6.39.3/sound/pci/cs5535audio/cs5535audio.c linux-2.6.39.3/sound/pci/cs5535audio/cs5535audio.c ---- linux-2.6.39.3/sound/pci/cs5535audio/cs5535audio.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/pci/cs5535audio/cs5535audio.c 2011-05-22 19:36:35.000000000 -0400 -@@ -150,7 +150,7 @@ static int __devinit snd_cs5535audio_mix - struct snd_ac97_bus *pbus; - struct snd_ac97_template ac97; - int err; -- static struct snd_ac97_bus_ops ops = { -+ static const struct snd_ac97_bus_ops ops = { - .write = snd_cs5535audio_ac97_codec_write, - .read = snd_cs5535audio_ac97_codec_read, - }; -@@ -277,7 +277,7 @@ static int __devinit snd_cs5535audio_cre - struct cs5535audio *cs5535au; - - int err; -- static struct snd_device_ops ops = { -+ static const struct snd_device_ops ops = { - .dev_free = snd_cs5535audio_dev_free, - }; - -diff -urNp linux-2.6.39.3/sound/pci/cs5535audio/cs5535audio_pcm.c linux-2.6.39.3/sound/pci/cs5535audio/cs5535audio_pcm.c ---- linux-2.6.39.3/sound/pci/cs5535audio/cs5535audio_pcm.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/pci/cs5535audio/cs5535audio_pcm.c 2011-05-22 19:36:35.000000000 -0400 -@@ -380,7 +380,7 @@ static int snd_cs5535audio_capture_prepa - substream->runtime->rate); - } - --static struct snd_pcm_ops snd_cs5535audio_playback_ops = { -+static const struct snd_pcm_ops snd_cs5535audio_playback_ops = { - .open = snd_cs5535audio_playback_open, - .close = snd_cs5535audio_playback_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -391,7 +391,7 @@ static struct snd_pcm_ops snd_cs5535audi - .pointer = snd_cs5535audio_pcm_pointer, - }; - --static struct snd_pcm_ops snd_cs5535audio_capture_ops = { -+static const struct snd_pcm_ops snd_cs5535audio_capture_ops = { - .open = snd_cs5535audio_capture_open, - .close = snd_cs5535audio_capture_close, - .ioctl = snd_pcm_lib_ioctl, -diff -urNp linux-2.6.39.3/sound/pci/ctxfi/ctpcm.c linux-2.6.39.3/sound/pci/ctxfi/ctpcm.c ---- linux-2.6.39.3/sound/pci/ctxfi/ctpcm.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/pci/ctxfi/ctpcm.c 2011-05-22 19:36:35.000000000 -0400 -@@ -370,7 +370,7 @@ ct_pcm_capture_pointer(struct snd_pcm_su - } - - /* PCM operators for playback */ --static struct snd_pcm_ops ct_pcm_playback_ops = { -+static const struct snd_pcm_ops ct_pcm_playback_ops = { - .open = ct_pcm_playback_open, - .close = ct_pcm_playback_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -383,7 +383,7 @@ static struct snd_pcm_ops ct_pcm_playbac - }; - - /* PCM operators for capture */ --static struct snd_pcm_ops ct_pcm_capture_ops = { -+static const struct snd_pcm_ops ct_pcm_capture_ops = { - .open = ct_pcm_capture_open, - .close = ct_pcm_capture_close, - .ioctl = snd_pcm_lib_ioctl, -diff -urNp linux-2.6.39.3/sound/pci/echoaudio/echoaudio.c linux-2.6.39.3/sound/pci/echoaudio/echoaudio.c ---- linux-2.6.39.3/sound/pci/echoaudio/echoaudio.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/pci/echoaudio/echoaudio.c 2011-05-22 19:36:35.000000000 -0400 -@@ -831,7 +831,7 @@ static snd_pcm_uframes_t pcm_pointer(str - - - /* pcm *_ops structures */ --static struct snd_pcm_ops analog_playback_ops = { -+static const struct snd_pcm_ops analog_playback_ops = { - .open = pcm_analog_out_open, - .close = pcm_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -842,7 +842,7 @@ static struct snd_pcm_ops analog_playbac - .pointer = pcm_pointer, - .page = snd_pcm_sgbuf_ops_page, - }; --static struct snd_pcm_ops analog_capture_ops = { -+static const struct snd_pcm_ops analog_capture_ops = { - .open = pcm_analog_in_open, - .close = pcm_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -855,7 +855,7 @@ static struct snd_pcm_ops analog_capture - }; - #ifdef ECHOCARD_HAS_DIGITAL_IO - #ifndef ECHOCARD_HAS_VMIXER --static struct snd_pcm_ops digital_playback_ops = { -+static const struct snd_pcm_ops digital_playback_ops = { - .open = pcm_digital_out_open, - .close = pcm_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -867,7 +867,7 @@ static struct snd_pcm_ops digital_playba - .page = snd_pcm_sgbuf_ops_page, - }; - #endif /* !ECHOCARD_HAS_VMIXER */ --static struct snd_pcm_ops digital_capture_ops = { -+static const struct snd_pcm_ops digital_capture_ops = { - .open = pcm_digital_in_open, - .close = pcm_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -1945,7 +1945,7 @@ static __devinit int snd_echo_create(str - struct echoaudio *chip; - int err; - size_t sz; -- static struct snd_device_ops ops = { -+ static const struct snd_device_ops ops = { - .dev_free = snd_echo_dev_free, - }; - -diff -urNp linux-2.6.39.3/sound/pci/echoaudio/midi.c linux-2.6.39.3/sound/pci/echoaudio/midi.c ---- linux-2.6.39.3/sound/pci/echoaudio/midi.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/pci/echoaudio/midi.c 2011-05-22 19:36:35.000000000 -0400 -@@ -292,13 +292,13 @@ static int snd_echo_midi_output_close(st - - - --static struct snd_rawmidi_ops snd_echo_midi_input = { -+static const struct snd_rawmidi_ops snd_echo_midi_input = { - .open = snd_echo_midi_input_open, - .close = snd_echo_midi_input_close, - .trigger = snd_echo_midi_input_trigger, - }; - --static struct snd_rawmidi_ops snd_echo_midi_output = { -+static const struct snd_rawmidi_ops snd_echo_midi_output = { - .open = snd_echo_midi_output_open, - .close = snd_echo_midi_output_close, - .trigger = snd_echo_midi_output_trigger, -diff -urNp linux-2.6.39.3/sound/pci/emu10k1/emu10k1_main.c linux-2.6.39.3/sound/pci/emu10k1/emu10k1_main.c ---- linux-2.6.39.3/sound/pci/emu10k1/emu10k1_main.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/pci/emu10k1/emu10k1_main.c 2011-05-22 19:36:35.000000000 -0400 -@@ -1722,7 +1722,7 @@ int __devinit snd_emu10k1_create(struct - int is_audigy; - unsigned int silent_page; - const struct snd_emu_chip_details *c; -- static struct snd_device_ops ops = { -+ static const struct snd_device_ops ops = { - .dev_free = snd_emu10k1_dev_free, - }; - -diff -urNp linux-2.6.39.3/sound/pci/emu10k1/emu10k1x.c linux-2.6.39.3/sound/pci/emu10k1/emu10k1x.c ---- linux-2.6.39.3/sound/pci/emu10k1/emu10k1x.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/pci/emu10k1/emu10k1x.c 2011-05-22 19:36:35.000000000 -0400 -@@ -543,7 +543,7 @@ snd_emu10k1x_pcm_pointer(struct snd_pcm_ - } - - /* operators */ --static struct snd_pcm_ops snd_emu10k1x_playback_ops = { -+static const struct snd_pcm_ops snd_emu10k1x_playback_ops = { - .open = snd_emu10k1x_playback_open, - .close = snd_emu10k1x_playback_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -689,7 +689,7 @@ snd_emu10k1x_pcm_pointer_capture(struct - return ptr; - } - --static struct snd_pcm_ops snd_emu10k1x_capture_ops = { -+static const struct snd_pcm_ops snd_emu10k1x_capture_ops = { - .open = snd_emu10k1x_pcm_open_capture, - .close = snd_emu10k1x_pcm_close_capture, - .ioctl = snd_pcm_lib_ioctl, -@@ -731,7 +731,7 @@ static int snd_emu10k1x_ac97(struct emu1 - struct snd_ac97_bus *pbus; - struct snd_ac97_template ac97; - int err; -- static struct snd_ac97_bus_ops ops = { -+ static const struct snd_ac97_bus_ops ops = { - .write = snd_emu10k1x_ac97_write, - .read = snd_emu10k1x_ac97_read, - }; -@@ -888,7 +888,7 @@ static int __devinit snd_emu10k1x_create - struct emu10k1x *chip; - int err; - int ch; -- static struct snd_device_ops ops = { -+ static const struct snd_device_ops ops = { - .dev_free = snd_emu10k1x_dev_free, - }; - -@@ -1465,15 +1465,13 @@ static void snd_emu10k1x_midi_output_tri - - */ - --static struct snd_rawmidi_ops snd_emu10k1x_midi_output = --{ -+static const struct snd_rawmidi_ops snd_emu10k1x_midi_output = { - .open = snd_emu10k1x_midi_output_open, - .close = snd_emu10k1x_midi_output_close, - .trigger = snd_emu10k1x_midi_output_trigger, - }; - --static struct snd_rawmidi_ops snd_emu10k1x_midi_input = --{ -+static const struct snd_rawmidi_ops snd_emu10k1x_midi_input = { - .open = snd_emu10k1x_midi_input_open, - .close = snd_emu10k1x_midi_input_close, - .trigger = snd_emu10k1x_midi_input_trigger, -diff -urNp linux-2.6.39.3/sound/pci/emu10k1/p16v.c linux-2.6.39.3/sound/pci/emu10k1/p16v.c ---- linux-2.6.39.3/sound/pci/emu10k1/p16v.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/pci/emu10k1/p16v.c 2011-05-22 19:36:35.000000000 -0400 -@@ -601,7 +601,7 @@ snd_p16v_pcm_pointer_capture(struct snd_ - } - - /* operators */ --static struct snd_pcm_ops snd_p16v_playback_front_ops = { -+static const struct snd_pcm_ops snd_p16v_playback_front_ops = { - .open = snd_p16v_pcm_open_playback_front, - .close = snd_p16v_pcm_close_playback, - .ioctl = snd_pcm_lib_ioctl, -@@ -612,7 +612,7 @@ static struct snd_pcm_ops snd_p16v_playb - .pointer = snd_p16v_pcm_pointer_playback, - }; - --static struct snd_pcm_ops snd_p16v_capture_ops = { -+static const struct snd_pcm_ops snd_p16v_capture_ops = { - .open = snd_p16v_pcm_open_capture, - .close = snd_p16v_pcm_close_capture, - .ioctl = snd_pcm_lib_ioctl, -diff -urNp linux-2.6.39.3/sound/pci/ens1370.c linux-2.6.39.3/sound/pci/ens1370.c ---- linux-2.6.39.3/sound/pci/ens1370.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/pci/ens1370.c 2011-05-22 19:36:35.000000000 -0400 -@@ -1225,7 +1225,7 @@ static int snd_ensoniq_capture_close(str - return 0; - } - --static struct snd_pcm_ops snd_ensoniq_playback1_ops = { -+static const struct snd_pcm_ops snd_ensoniq_playback1_ops = { - .open = snd_ensoniq_playback1_open, - .close = snd_ensoniq_playback1_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -1236,7 +1236,7 @@ static struct snd_pcm_ops snd_ensoniq_pl - .pointer = snd_ensoniq_playback1_pointer, - }; - --static struct snd_pcm_ops snd_ensoniq_playback2_ops = { -+static const struct snd_pcm_ops snd_ensoniq_playback2_ops = { - .open = snd_ensoniq_playback2_open, - .close = snd_ensoniq_playback2_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -1247,7 +1247,7 @@ static struct snd_pcm_ops snd_ensoniq_pl - .pointer = snd_ensoniq_playback2_pointer, - }; - --static struct snd_pcm_ops snd_ensoniq_capture_ops = { -+static const struct snd_pcm_ops snd_ensoniq_capture_ops = { - .open = snd_ensoniq_capture_open, - .close = snd_ensoniq_capture_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -1633,7 +1633,7 @@ static int __devinit snd_ensoniq_1371_mi - struct snd_ac97_bus *pbus; - struct snd_ac97_template ac97; - int err; -- static struct snd_ac97_bus_ops ops = { -+ static const struct snd_ac97_bus_ops ops = { - .write = snd_es1371_codec_write, - .read = snd_es1371_codec_read, - .wait = snd_es1371_codec_wait, -@@ -2096,7 +2096,7 @@ static int __devinit snd_ensoniq_create( - { - struct ensoniq *ensoniq; - int err; -- static struct snd_device_ops ops = { -+ static const struct snd_device_ops ops = { - .dev_free = snd_ensoniq_dev_free, - }; - -@@ -2331,15 +2331,13 @@ static void snd_ensoniq_midi_output_trig - spin_unlock_irqrestore(&ensoniq->reg_lock, flags); - } - --static struct snd_rawmidi_ops snd_ensoniq_midi_output = --{ -+static const struct snd_rawmidi_ops snd_ensoniq_midi_output = { - .open = snd_ensoniq_midi_output_open, - .close = snd_ensoniq_midi_output_close, - .trigger = snd_ensoniq_midi_output_trigger, - }; - --static struct snd_rawmidi_ops snd_ensoniq_midi_input = --{ -+static const struct snd_rawmidi_ops snd_ensoniq_midi_input = { - .open = snd_ensoniq_midi_input_open, - .close = snd_ensoniq_midi_input_close, - .trigger = snd_ensoniq_midi_input_trigger, -diff -urNp linux-2.6.39.3/sound/pci/es1938.c linux-2.6.39.3/sound/pci/es1938.c ---- linux-2.6.39.3/sound/pci/es1938.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/pci/es1938.c 2011-05-22 19:36:35.000000000 -0400 -@@ -1004,7 +1004,7 @@ static int snd_es1938_playback_close(str - return 0; - } - --static struct snd_pcm_ops snd_es1938_playback_ops = { -+static const struct snd_pcm_ops snd_es1938_playback_ops = { - .open = snd_es1938_playback_open, - .close = snd_es1938_playback_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -1015,7 +1015,7 @@ static struct snd_pcm_ops snd_es1938_pla - .pointer = snd_es1938_playback_pointer, - }; - --static struct snd_pcm_ops snd_es1938_capture_ops = { -+static const struct snd_pcm_ops snd_es1938_capture_ops = { - .open = snd_es1938_capture_open, - .close = snd_es1938_capture_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -1598,7 +1598,7 @@ static int __devinit snd_es1938_create(s - { - struct es1938 *chip; - int err; -- static struct snd_device_ops ops = { -+ static const struct snd_device_ops ops = { - .dev_free = snd_es1938_dev_free, - }; - -diff -urNp linux-2.6.39.3/sound/pci/es1968.c linux-2.6.39.3/sound/pci/es1968.c ---- linux-2.6.39.3/sound/pci/es1968.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/pci/es1968.c 2011-05-22 19:36:35.000000000 -0400 -@@ -1682,7 +1682,7 @@ static int snd_es1968_capture_close(stru - return 0; - } - --static struct snd_pcm_ops snd_es1968_playback_ops = { -+static const struct snd_pcm_ops snd_es1968_playback_ops = { - .open = snd_es1968_playback_open, - .close = snd_es1968_playback_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -1693,7 +1693,7 @@ static struct snd_pcm_ops snd_es1968_pla - .pointer = snd_es1968_pcm_pointer, - }; - --static struct snd_pcm_ops snd_es1968_capture_ops = { -+static const struct snd_pcm_ops snd_es1968_capture_ops = { - .open = snd_es1968_capture_open, - .close = snd_es1968_capture_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -2053,7 +2053,7 @@ snd_es1968_mixer(struct es1968 *chip) - struct snd_ctl_elem_id elem_id; - #endif - int err; -- static struct snd_ac97_bus_ops ops = { -+ static const struct snd_ac97_bus_ops ops = { - .write = snd_es1968_ac97_write, - .read = snd_es1968_ac97_read, - }; -@@ -2627,7 +2627,7 @@ static int __devinit snd_es1968_create(s - int do_pm, - struct es1968 **chip_ret) - { -- static struct snd_device_ops ops = { -+ static const struct snd_device_ops ops = { - .dev_free = snd_es1968_dev_free, - }; - struct es1968 *chip; -diff -urNp linux-2.6.39.3/sound/pci/fm801.c linux-2.6.39.3/sound/pci/fm801.c ---- linux-2.6.39.3/sound/pci/fm801.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/pci/fm801.c 2011-05-22 19:36:35.000000000 -0400 -@@ -662,7 +662,7 @@ static int snd_fm801_capture_close(struc - return 0; - } - --static struct snd_pcm_ops snd_fm801_playback_ops = { -+static const struct snd_pcm_ops snd_fm801_playback_ops = { - .open = snd_fm801_playback_open, - .close = snd_fm801_playback_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -673,7 +673,7 @@ static struct snd_pcm_ops snd_fm801_play - .pointer = snd_fm801_playback_pointer, - }; - --static struct snd_pcm_ops snd_fm801_capture_ops = { -+static const struct snd_pcm_ops snd_fm801_capture_ops = { - .open = snd_fm801_capture_open, - .close = snd_fm801_capture_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -1236,7 +1236,7 @@ static int __devinit snd_fm801_mixer(str - struct snd_ac97_template ac97; - unsigned int i; - int err; -- static struct snd_ac97_bus_ops ops = { -+ static const struct snd_ac97_bus_ops ops = { - .write = snd_fm801_codec_write, - .read = snd_fm801_codec_read, - }; -@@ -1396,7 +1396,7 @@ static int __devinit snd_fm801_create(st - { - struct fm801 *chip; - int err; -- static struct snd_device_ops ops = { -+ static const struct snd_device_ops ops = { - .dev_free = snd_fm801_dev_free, - }; - -diff -urNp linux-2.6.39.3/sound/pci/hda/hda_generic.c linux-2.6.39.3/sound/pci/hda/hda_generic.c ---- linux-2.6.39.3/sound/pci/hda/hda_generic.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/pci/hda/hda_generic.c 2011-05-22 19:36:35.000000000 -0400 -@@ -1038,7 +1038,7 @@ static int generic_check_power_status(st - - /* - */ --static struct hda_codec_ops generic_patch_ops = { -+static const struct hda_codec_ops generic_patch_ops = { - .build_controls = build_generic_controls, - .build_pcms = build_generic_pcms, - .free = snd_hda_generic_free, -diff -urNp linux-2.6.39.3/sound/pci/hda/hda_intel.c linux-2.6.39.3/sound/pci/hda/hda_intel.c ---- linux-2.6.39.3/sound/pci/hda/hda_intel.c 2011-06-03 00:04:14.000000000 -0400 -+++ linux-2.6.39.3/sound/pci/hda/hda_intel.c 2011-06-03 00:32:08.000000000 -0400 -@@ -2459,7 +2459,7 @@ static int __devinit azx_create(struct s - struct azx *chip; - int i, err; - unsigned short gcap; -- static struct snd_device_ops ops = { -+ static const struct snd_device_ops ops = { - .dev_free = azx_dev_free, - }; - -diff -urNp linux-2.6.39.3/sound/pci/hda/patch_ca0110.c linux-2.6.39.3/sound/pci/hda/patch_ca0110.c ---- linux-2.6.39.3/sound/pci/hda/patch_ca0110.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/pci/hda/patch_ca0110.c 2011-05-22 19:36:35.000000000 -0400 -@@ -389,7 +389,7 @@ static void ca0110_free(struct hda_codec - kfree(codec->spec); - } - --static struct hda_codec_ops ca0110_patch_ops = { -+static const struct hda_codec_ops ca0110_patch_ops = { - .build_controls = ca0110_build_controls, - .build_pcms = ca0110_build_pcms, - .init = ca0110_init, -diff -urNp linux-2.6.39.3/sound/pci/hda/patch_cirrus.c linux-2.6.39.3/sound/pci/hda/patch_cirrus.c ---- linux-2.6.39.3/sound/pci/hda/patch_cirrus.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/pci/hda/patch_cirrus.c 2011-05-22 19:36:35.000000000 -0400 -@@ -1126,7 +1126,7 @@ static void cs_unsol_event(struct hda_co - } - } - --static struct hda_codec_ops cs_patch_ops = { -+static const struct hda_codec_ops cs_patch_ops = { - .build_controls = cs_build_controls, - .build_pcms = cs_build_pcms, - .init = cs_init, -diff -urNp linux-2.6.39.3/sound/pci/hda/patch_cmedia.c linux-2.6.39.3/sound/pci/hda/patch_cmedia.c ---- linux-2.6.39.3/sound/pci/hda/patch_cmedia.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/pci/hda/patch_cmedia.c 2011-05-22 19:36:35.000000000 -0400 -@@ -624,7 +624,7 @@ static struct snd_pci_quirk cmi9880_cfg_ - {} /* terminator */ - }; - --static struct hda_codec_ops cmi9880_patch_ops = { -+static const struct hda_codec_ops cmi9880_patch_ops = { - .build_controls = cmi9880_build_controls, - .build_pcms = cmi9880_build_pcms, - .init = cmi9880_init, -diff -urNp linux-2.6.39.3/sound/pci/hda/patch_conexant.c linux-2.6.39.3/sound/pci/hda/patch_conexant.c ---- linux-2.6.39.3/sound/pci/hda/patch_conexant.c 2011-07-09 09:18:51.000000000 -0400 -+++ linux-2.6.39.3/sound/pci/hda/patch_conexant.c 2011-07-09 09:19:27.000000000 -0400 -@@ -546,7 +546,7 @@ static int conexant_suspend(struct hda_c - } - #endif - --static struct hda_codec_ops conexant_patch_ops = { -+static const struct hda_codec_ops conexant_patch_ops = { - .build_controls = conexant_build_controls, - .build_pcms = conexant_build_pcms, - .init = conexant_init, -@@ -3792,7 +3792,7 @@ static int cx_auto_build_controls(struct - return conexant_build_controls(codec); - } - --static struct hda_codec_ops cx_auto_patch_ops = { -+static const struct hda_codec_ops cx_auto_patch_ops = { - .build_controls = cx_auto_build_controls, - .build_pcms = conexant_build_pcms, - .init = cx_auto_init, -diff -urNp linux-2.6.39.3/sound/pci/hda/patch_hdmi.c linux-2.6.39.3/sound/pci/hda/patch_hdmi.c ---- linux-2.6.39.3/sound/pci/hda/patch_hdmi.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/pci/hda/patch_hdmi.c 2011-05-22 19:36:35.000000000 -0400 -@@ -1124,7 +1124,7 @@ static void generic_hdmi_free(struct hda - kfree(spec); - } - --static struct hda_codec_ops generic_hdmi_patch_ops = { -+static const struct hda_codec_ops generic_hdmi_patch_ops = { - .init = generic_hdmi_init, - .free = generic_hdmi_free, - .build_pcms = generic_hdmi_build_pcms, -@@ -1465,14 +1465,14 @@ static struct hda_pcm_stream nvhdmi_pcm_ - }, - }; - --static struct hda_codec_ops nvhdmi_patch_ops_8ch_7x = { -+static const struct hda_codec_ops nvhdmi_patch_ops_8ch_7x = { - .build_controls = generic_hdmi_build_controls, - .build_pcms = generic_hdmi_build_pcms, - .init = nvhdmi_7x_init, - .free = generic_hdmi_free, - }; - --static struct hda_codec_ops nvhdmi_patch_ops_2ch = { -+static const struct hda_codec_ops nvhdmi_patch_ops_2ch = { - .build_controls = generic_hdmi_build_controls, - .build_pcms = generic_hdmi_build_pcms, - .init = nvhdmi_7x_init, -@@ -1599,7 +1599,7 @@ static int atihdmi_init(struct hda_codec - return 0; - } - --static struct hda_codec_ops atihdmi_patch_ops = { -+static const struct hda_codec_ops atihdmi_patch_ops = { - .build_controls = generic_hdmi_build_controls, - .build_pcms = generic_hdmi_build_pcms, - .init = atihdmi_init, -diff -urNp linux-2.6.39.3/sound/pci/hda/patch_realtek.c linux-2.6.39.3/sound/pci/hda/patch_realtek.c ---- linux-2.6.39.3/sound/pci/hda/patch_realtek.c 2011-07-09 09:18:51.000000000 -0400 -+++ linux-2.6.39.3/sound/pci/hda/patch_realtek.c 2011-07-09 09:19:27.000000000 -0400 -@@ -4273,7 +4273,7 @@ static int alc_resume(struct hda_codec * - - /* - */ --static struct hda_codec_ops alc_patch_ops = { -+static const struct hda_codec_ops alc_patch_ops = { - .build_controls = alc_build_controls, - .build_pcms = alc_build_pcms, - .init = alc_init, -diff -urNp linux-2.6.39.3/sound/pci/hda/patch_si3054.c linux-2.6.39.3/sound/pci/hda/patch_si3054.c ---- linux-2.6.39.3/sound/pci/hda/patch_si3054.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/pci/hda/patch_si3054.c 2011-05-22 19:36:35.000000000 -0400 -@@ -263,7 +263,7 @@ static void si3054_free(struct hda_codec - /* - */ - --static struct hda_codec_ops si3054_patch_ops = { -+static const struct hda_codec_ops si3054_patch_ops = { - .build_controls = si3054_build_controls, - .build_pcms = si3054_build_pcms, - .init = si3054_init, -diff -urNp linux-2.6.39.3/sound/pci/hda/patch_sigmatel.c linux-2.6.39.3/sound/pci/hda/patch_sigmatel.c ---- linux-2.6.39.3/sound/pci/hda/patch_sigmatel.c 2011-06-03 00:04:14.000000000 -0400 -+++ linux-2.6.39.3/sound/pci/hda/patch_sigmatel.c 2011-06-03 00:32:08.000000000 -0400 -@@ -4968,7 +4968,7 @@ static int stac92xx_suspend(struct hda_c - } - #endif - --static struct hda_codec_ops stac92xx_patch_ops = { -+static const struct hda_codec_ops stac92xx_patch_ops = { - .build_controls = stac92xx_build_controls, - .build_pcms = stac92xx_build_pcms, - .init = stac92xx_init, -diff -urNp linux-2.6.39.3/sound/pci/hda/patch_via.c linux-2.6.39.3/sound/pci/hda/patch_via.c ---- linux-2.6.39.3/sound/pci/hda/patch_via.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/pci/hda/patch_via.c 2011-05-22 19:36:35.000000000 -0400 -@@ -2254,7 +2254,7 @@ static int via_check_power_status(struct - - /* - */ --static struct hda_codec_ops via_patch_ops = { -+static const struct hda_codec_ops via_patch_ops = { - .build_controls = via_build_controls, - .build_pcms = via_build_pcms, - .init = via_init, -diff -urNp linux-2.6.39.3/sound/pci/ice1712/ice1712.c linux-2.6.39.3/sound/pci/ice1712/ice1712.c ---- linux-2.6.39.3/sound/pci/ice1712/ice1712.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/pci/ice1712/ice1712.c 2011-05-22 19:36:35.000000000 -0400 -@@ -2541,7 +2541,7 @@ static int __devinit snd_ice1712_create( - { - struct snd_ice1712 *ice; - int err; -- static struct snd_device_ops ops = { -+ static const struct snd_device_ops ops = { - .dev_free = snd_ice1712_dev_free, - }; - -diff -urNp linux-2.6.39.3/sound/pci/ice1712/ice1724.c linux-2.6.39.3/sound/pci/ice1712/ice1724.c ---- linux-2.6.39.3/sound/pci/ice1712/ice1724.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/pci/ice1712/ice1724.c 2011-05-22 19:36:35.000000000 -0400 -@@ -367,7 +367,7 @@ static void vt1724_midi_output_drain(str - } while (time_after(timeout, jiffies)); - } - --static struct snd_rawmidi_ops vt1724_midi_output_ops = { -+static const struct snd_rawmidi_ops vt1724_midi_output_ops = { - .open = vt1724_midi_output_open, - .close = vt1724_midi_output_close, - .trigger = vt1724_midi_output_trigger, -@@ -402,7 +402,7 @@ static void vt1724_midi_input_trigger(st - spin_unlock_irqrestore(&ice->reg_lock, flags); - } - --static struct snd_rawmidi_ops vt1724_midi_input_ops = { -+static const struct snd_rawmidi_ops vt1724_midi_input_ops = { - .open = vt1724_midi_input_open, - .close = vt1724_midi_input_close, - .trigger = vt1724_midi_input_trigger, -@@ -2463,7 +2463,7 @@ static int __devinit snd_vt1724_create(s - { - struct snd_ice1712 *ice; - int err; -- static struct snd_device_ops ops = { -+ static const struct snd_device_ops ops = { - .dev_free = snd_vt1724_dev_free, - }; - -diff -urNp linux-2.6.39.3/sound/pci/intel8x0.c linux-2.6.39.3/sound/pci/intel8x0.c ---- linux-2.6.39.3/sound/pci/intel8x0.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/pci/intel8x0.c 2011-05-22 19:36:35.000000000 -0400 -@@ -2152,12 +2152,12 @@ static int __devinit snd_intel8x0_mixer( - int err; - unsigned int i, codecs; - unsigned int glob_sta = 0; -- struct snd_ac97_bus_ops *ops; -- static struct snd_ac97_bus_ops standard_bus_ops = { -+ const struct snd_ac97_bus_ops *ops; -+ static const struct snd_ac97_bus_ops standard_bus_ops = { - .write = snd_intel8x0_codec_write, - .read = snd_intel8x0_codec_read, - }; -- static struct snd_ac97_bus_ops ali_bus_ops = { -+ static const struct snd_ac97_bus_ops ali_bus_ops = { - .write = snd_intel8x0_ali_codec_write, - .read = snd_intel8x0_ali_codec_read, - }; -@@ -2921,7 +2921,7 @@ static int __devinit snd_intel8x0_create - unsigned int i; - unsigned int int_sta_masks; - struct ichdev *ichdev; -- static struct snd_device_ops ops = { -+ static const struct snd_device_ops ops = { - .dev_free = snd_intel8x0_dev_free, - }; - -diff -urNp linux-2.6.39.3/sound/pci/intel8x0m.c linux-2.6.39.3/sound/pci/intel8x0m.c ---- linux-2.6.39.3/sound/pci/intel8x0m.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/pci/intel8x0m.c 2011-05-22 19:36:35.000000000 -0400 -@@ -826,7 +826,7 @@ static int __devinit snd_intel8x0m_mixer - struct snd_ac97 *x97; - int err; - unsigned int glob_sta = 0; -- static struct snd_ac97_bus_ops ops = { -+ static const struct snd_ac97_bus_ops ops = { - .write = snd_intel8x0m_codec_write, - .read = snd_intel8x0m_codec_read, - }; -@@ -1116,7 +1116,7 @@ static int __devinit snd_intel8x0m_creat - unsigned int i; - unsigned int int_sta_masks; - struct ichdev *ichdev; -- static struct snd_device_ops ops = { -+ static const struct snd_device_ops ops = { - .dev_free = snd_intel8x0m_dev_free, - }; - static struct ich_reg_info intel_regs[2] = { -@@ -1265,7 +1265,7 @@ static struct shortname_table { - { 0x5455, "ALi M5455" }, - { 0x746d, "AMD AMD8111" }, - #endif -- { 0 }, -+ { 0, }, - }; - - static int __devinit snd_intel8x0m_probe(struct pci_dev *pci, -diff -urNp linux-2.6.39.3/sound/pci/korg1212/korg1212.c linux-2.6.39.3/sound/pci/korg1212/korg1212.c ---- linux-2.6.39.3/sound/pci/korg1212/korg1212.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/pci/korg1212/korg1212.c 2011-05-22 19:36:35.000000000 -0400 -@@ -1682,7 +1682,7 @@ static int snd_korg1212_capture_copy(str - return snd_korg1212_copy_to(korg1212, dst, pos, count, 0, korg1212->channels * 2); - } - --static struct snd_pcm_ops snd_korg1212_playback_ops = { -+static const struct snd_pcm_ops snd_korg1212_playback_ops = { - .open = snd_korg1212_playback_open, - .close = snd_korg1212_playback_close, - .ioctl = snd_korg1212_ioctl, -@@ -1694,7 +1694,7 @@ static struct snd_pcm_ops snd_korg1212_p - .silence = snd_korg1212_playback_silence, - }; - --static struct snd_pcm_ops snd_korg1212_capture_ops = { -+static const struct snd_pcm_ops snd_korg1212_capture_ops = { - .open = snd_korg1212_capture_open, - .close = snd_korg1212_capture_close, - .ioctl = snd_korg1212_ioctl, -@@ -2164,7 +2164,7 @@ static int __devinit snd_korg1212_create - struct snd_korg1212 * korg1212; - const struct firmware *dsp_code; - -- static struct snd_device_ops ops = { -+ static const struct snd_device_ops ops = { - .dev_free = snd_korg1212_dev_free, - }; - -diff -urNp linux-2.6.39.3/sound/pci/maestro3.c linux-2.6.39.3/sound/pci/maestro3.c ---- linux-2.6.39.3/sound/pci/maestro3.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/pci/maestro3.c 2011-05-22 19:36:35.000000000 -0400 -@@ -1926,7 +1926,7 @@ snd_m3_capture_close(struct snd_pcm_subs - * create pcm instance - */ - --static struct snd_pcm_ops snd_m3_playback_ops = { -+static const struct snd_pcm_ops snd_m3_playback_ops = { - .open = snd_m3_playback_open, - .close = snd_m3_playback_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -1937,7 +1937,7 @@ static struct snd_pcm_ops snd_m3_playbac - .pointer = snd_m3_pcm_pointer, - }; - --static struct snd_pcm_ops snd_m3_capture_ops = { -+static const struct snd_pcm_ops snd_m3_capture_ops = { - .open = snd_m3_capture_open, - .close = snd_m3_capture_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -2150,7 +2150,7 @@ static int __devinit snd_m3_mixer(struct - struct snd_ctl_elem_id elem_id; - #endif - int err; -- static struct snd_ac97_bus_ops ops = { -+ static const struct snd_ac97_bus_ops ops = { - .write = snd_m3_ac97_write, - .read = snd_m3_ac97_read, - }; -@@ -2643,7 +2643,7 @@ snd_m3_create(struct snd_card *card, str - struct snd_m3 *chip; - int i, err; - const struct snd_pci_quirk *quirk; -- static struct snd_device_ops ops = { -+ static const struct snd_device_ops ops = { - .dev_free = snd_m3_dev_free, - }; - -diff -urNp linux-2.6.39.3/sound/pci/mixart/mixart.c linux-2.6.39.3/sound/pci/mixart/mixart.c ---- linux-2.6.39.3/sound/pci/mixart/mixart.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/pci/mixart/mixart.c 2011-05-22 19:36:35.000000000 -0400 -@@ -887,7 +887,7 @@ static snd_pcm_uframes_t snd_mixart_stre - - - --static struct snd_pcm_ops snd_mixart_playback_ops = { -+static const struct snd_pcm_ops snd_mixart_playback_ops = { - .open = snd_mixart_playback_open, - .close = snd_mixart_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -898,7 +898,7 @@ static struct snd_pcm_ops snd_mixart_pla - .pointer = snd_mixart_stream_pointer, - }; - --static struct snd_pcm_ops snd_mixart_capture_ops = { -+static const struct snd_pcm_ops snd_mixart_capture_ops = { - .open = snd_mixart_capture_open, - .close = snd_mixart_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -1008,7 +1008,7 @@ static int __devinit snd_mixart_create(s - { - int err; - struct snd_mixart *chip; -- static struct snd_device_ops ops = { -+ static const struct snd_device_ops ops = { - .dev_free = snd_mixart_chip_dev_free, - }; - -diff -urNp linux-2.6.39.3/sound/pci/nm256/nm256.c linux-2.6.39.3/sound/pci/nm256/nm256.c ---- linux-2.6.39.3/sound/pci/nm256/nm256.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/pci/nm256/nm256.c 2011-05-22 19:36:35.000000000 -0400 -@@ -899,7 +899,7 @@ snd_nm256_capture_close(struct snd_pcm_s - /* - * create a pcm instance - */ --static struct snd_pcm_ops snd_nm256_playback_ops = { -+static const struct snd_pcm_ops snd_nm256_playback_ops = { - .open = snd_nm256_playback_open, - .close = snd_nm256_playback_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -914,7 +914,7 @@ static struct snd_pcm_ops snd_nm256_play - .mmap = snd_pcm_lib_mmap_iomem, - }; - --static struct snd_pcm_ops snd_nm256_capture_ops = { -+static const struct snd_pcm_ops snd_nm256_capture_ops = { - .open = snd_nm256_capture_open, - .close = snd_nm256_capture_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -1301,7 +1301,7 @@ snd_nm256_mixer(struct nm256 *chip) - struct snd_ac97_bus *pbus; - struct snd_ac97_template ac97; - int err; -- static struct snd_ac97_bus_ops ops = { -+ static const struct snd_ac97_bus_ops ops = { - .reset = snd_nm256_ac97_reset, - .write = snd_nm256_ac97_write, - .read = snd_nm256_ac97_read, -@@ -1471,7 +1471,7 @@ snd_nm256_create(struct snd_card *card, - { - struct nm256 *chip; - int err, pval; -- static struct snd_device_ops ops = { -+ static const struct snd_device_ops ops = { - .dev_free = snd_nm256_dev_free, - }; - u32 addr; -diff -urNp linux-2.6.39.3/sound/pci/oxygen/oxygen_pcm.c linux-2.6.39.3/sound/pci/oxygen/oxygen_pcm.c ---- linux-2.6.39.3/sound/pci/oxygen/oxygen_pcm.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/pci/oxygen/oxygen_pcm.c 2011-05-22 19:36:35.000000000 -0400 -@@ -606,7 +606,7 @@ static snd_pcm_uframes_t oxygen_pointer( - return bytes_to_frames(runtime, curr_addr - (u32)runtime->dma_addr); - } - --static struct snd_pcm_ops oxygen_rec_a_ops = { -+static const struct snd_pcm_ops oxygen_rec_a_ops = { - .open = oxygen_rec_a_open, - .close = oxygen_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -617,7 +617,7 @@ static struct snd_pcm_ops oxygen_rec_a_o - .pointer = oxygen_pointer, - }; - --static struct snd_pcm_ops oxygen_rec_b_ops = { -+static const struct snd_pcm_ops oxygen_rec_b_ops = { - .open = oxygen_rec_b_open, - .close = oxygen_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -628,7 +628,7 @@ static struct snd_pcm_ops oxygen_rec_b_o - .pointer = oxygen_pointer, - }; - --static struct snd_pcm_ops oxygen_rec_c_ops = { -+static const struct snd_pcm_ops oxygen_rec_c_ops = { - .open = oxygen_rec_c_open, - .close = oxygen_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -639,7 +639,7 @@ static struct snd_pcm_ops oxygen_rec_c_o - .pointer = oxygen_pointer, - }; - --static struct snd_pcm_ops oxygen_spdif_ops = { -+static const struct snd_pcm_ops oxygen_spdif_ops = { - .open = oxygen_spdif_open, - .close = oxygen_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -650,7 +650,7 @@ static struct snd_pcm_ops oxygen_spdif_o - .pointer = oxygen_pointer, - }; - --static struct snd_pcm_ops oxygen_multich_ops = { -+static const struct snd_pcm_ops oxygen_multich_ops = { - .open = oxygen_multich_open, - .close = oxygen_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -661,7 +661,7 @@ static struct snd_pcm_ops oxygen_multich - .pointer = oxygen_pointer, - }; - --static struct snd_pcm_ops oxygen_ac97_ops = { -+static const struct snd_pcm_ops oxygen_ac97_ops = { - .open = oxygen_ac97_open, - .close = oxygen_close, - .ioctl = snd_pcm_lib_ioctl, -diff -urNp linux-2.6.39.3/sound/pci/pcxhr/pcxhr.c linux-2.6.39.3/sound/pci/pcxhr/pcxhr.c ---- linux-2.6.39.3/sound/pci/pcxhr/pcxhr.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/pci/pcxhr/pcxhr.c 2011-05-22 19:36:35.000000000 -0400 -@@ -1121,7 +1121,7 @@ static snd_pcm_uframes_t pcxhr_stream_po - } - - --static struct snd_pcm_ops pcxhr_ops = { -+static const struct snd_pcm_ops pcxhr_ops = { - .open = pcxhr_open, - .close = pcxhr_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -1184,7 +1184,7 @@ static int __devinit pcxhr_create(struct - { - int err; - struct snd_pcxhr *chip; -- static struct snd_device_ops ops = { -+ static const struct snd_device_ops ops = { - .dev_free = pcxhr_chip_dev_free, - }; - -diff -urNp linux-2.6.39.3/sound/pci/riptide/riptide.c linux-2.6.39.3/sound/pci/riptide/riptide.c ---- linux-2.6.39.3/sound/pci/riptide/riptide.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/pci/riptide/riptide.c 2011-05-22 19:36:35.000000000 -0400 -@@ -1675,7 +1675,7 @@ static int snd_riptide_capture_close(str - return 0; - } - --static struct snd_pcm_ops snd_riptide_playback_ops = { -+static const struct snd_pcm_ops snd_riptide_playback_ops = { - .open = snd_riptide_playback_open, - .close = snd_riptide_playback_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -1686,7 +1686,7 @@ static struct snd_pcm_ops snd_riptide_pl - .trigger = snd_riptide_trigger, - .pointer = snd_riptide_pointer, - }; --static struct snd_pcm_ops snd_riptide_capture_ops = { -+static const struct snd_pcm_ops snd_riptide_capture_ops = { - .open = snd_riptide_capture_open, - .close = snd_riptide_capture_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -1857,7 +1857,7 @@ snd_riptide_create(struct snd_card *card - struct snd_riptide *chip; - struct riptideport *hwport; - int err; -- static struct snd_device_ops ops = { -+ static const struct snd_device_ops ops = { - .dev_free = snd_riptide_dev_free, - }; - -@@ -1999,7 +1999,7 @@ static int __devinit snd_riptide_mixer(s - struct snd_ac97_bus *pbus; - struct snd_ac97_template ac97; - int err = 0; -- static struct snd_ac97_bus_ops ops = { -+ static const struct snd_ac97_bus_ops ops = { - .write = snd_riptide_codec_write, - .read = snd_riptide_codec_read, - }; -diff -urNp linux-2.6.39.3/sound/pci/rme32.c linux-2.6.39.3/sound/pci/rme32.c ---- linux-2.6.39.3/sound/pci/rme32.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/pci/rme32.c 2011-05-22 19:36:35.000000000 -0400 -@@ -1197,7 +1197,7 @@ snd_rme32_capture_fd_pointer(struct snd_ - } - - /* for halfduplex mode */ --static struct snd_pcm_ops snd_rme32_playback_spdif_ops = { -+static const struct snd_pcm_ops snd_rme32_playback_spdif_ops = { - .open = snd_rme32_playback_spdif_open, - .close = snd_rme32_playback_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -1211,7 +1211,7 @@ static struct snd_pcm_ops snd_rme32_play - .mmap = snd_pcm_lib_mmap_iomem, - }; - --static struct snd_pcm_ops snd_rme32_capture_spdif_ops = { -+static const struct snd_pcm_ops snd_rme32_capture_spdif_ops = { - .open = snd_rme32_capture_spdif_open, - .close = snd_rme32_capture_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -1224,7 +1224,7 @@ static struct snd_pcm_ops snd_rme32_capt - .mmap = snd_pcm_lib_mmap_iomem, - }; - --static struct snd_pcm_ops snd_rme32_playback_adat_ops = { -+static const struct snd_pcm_ops snd_rme32_playback_adat_ops = { - .open = snd_rme32_playback_adat_open, - .close = snd_rme32_playback_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -1237,7 +1237,7 @@ static struct snd_pcm_ops snd_rme32_play - .mmap = snd_pcm_lib_mmap_iomem, - }; - --static struct snd_pcm_ops snd_rme32_capture_adat_ops = { -+static const struct snd_pcm_ops snd_rme32_capture_adat_ops = { - .open = snd_rme32_capture_adat_open, - .close = snd_rme32_capture_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -1250,7 +1250,7 @@ static struct snd_pcm_ops snd_rme32_capt - }; - - /* for fullduplex mode */ --static struct snd_pcm_ops snd_rme32_playback_spdif_fd_ops = { -+static const struct snd_pcm_ops snd_rme32_playback_spdif_fd_ops = { - .open = snd_rme32_playback_spdif_open, - .close = snd_rme32_playback_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -1262,7 +1262,7 @@ static struct snd_pcm_ops snd_rme32_play - .ack = snd_rme32_playback_fd_ack, - }; - --static struct snd_pcm_ops snd_rme32_capture_spdif_fd_ops = { -+static const struct snd_pcm_ops snd_rme32_capture_spdif_fd_ops = { - .open = snd_rme32_capture_spdif_open, - .close = snd_rme32_capture_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -1274,7 +1274,7 @@ static struct snd_pcm_ops snd_rme32_capt - .ack = snd_rme32_capture_fd_ack, - }; - --static struct snd_pcm_ops snd_rme32_playback_adat_fd_ops = { -+static const struct snd_pcm_ops snd_rme32_playback_adat_fd_ops = { - .open = snd_rme32_playback_adat_open, - .close = snd_rme32_playback_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -1285,7 +1285,7 @@ static struct snd_pcm_ops snd_rme32_play - .ack = snd_rme32_playback_fd_ack, - }; - --static struct snd_pcm_ops snd_rme32_capture_adat_fd_ops = { -+static const struct snd_pcm_ops snd_rme32_capture_adat_fd_ops = { - .open = snd_rme32_capture_adat_open, - .close = snd_rme32_capture_close, - .ioctl = snd_pcm_lib_ioctl, -diff -urNp linux-2.6.39.3/sound/pci/rme9652/hdsp.c linux-2.6.39.3/sound/pci/rme9652/hdsp.c ---- linux-2.6.39.3/sound/pci/rme9652/hdsp.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/pci/rme9652/hdsp.c 2011-05-22 19:36:35.000000000 -0400 -@@ -1469,15 +1469,13 @@ static int snd_hdsp_midi_output_close(st - return 0; - } - --static struct snd_rawmidi_ops snd_hdsp_midi_output = --{ -+static const struct snd_rawmidi_ops snd_hdsp_midi_output = { - .open = snd_hdsp_midi_output_open, - .close = snd_hdsp_midi_output_close, - .trigger = snd_hdsp_midi_output_trigger, - }; - --static struct snd_rawmidi_ops snd_hdsp_midi_input = --{ -+static const struct snd_rawmidi_ops snd_hdsp_midi_input = { - .open = snd_hdsp_midi_input_open, - .close = snd_hdsp_midi_input_close, - .trigger = snd_hdsp_midi_input_trigger, -@@ -5135,7 +5133,7 @@ static int snd_hdsp_hwdep_ioctl(struct s - return 0; - } - --static struct snd_pcm_ops snd_hdsp_playback_ops = { -+static const struct snd_pcm_ops snd_hdsp_playback_ops = { - .open = snd_hdsp_playback_open, - .close = snd_hdsp_playback_release, - .ioctl = snd_hdsp_ioctl, -@@ -5147,7 +5145,7 @@ static struct snd_pcm_ops snd_hdsp_playb - .silence = snd_hdsp_hw_silence, - }; - --static struct snd_pcm_ops snd_hdsp_capture_ops = { -+static const struct snd_pcm_ops snd_hdsp_capture_ops = { - .open = snd_hdsp_capture_open, - .close = snd_hdsp_capture_release, - .ioctl = snd_hdsp_ioctl, -diff -urNp linux-2.6.39.3/sound/pci/rme9652/hdspm.c linux-2.6.39.3/sound/pci/rme9652/hdspm.c ---- linux-2.6.39.3/sound/pci/rme9652/hdspm.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/pci/rme9652/hdspm.c 2011-05-22 19:36:35.000000000 -0400 -@@ -1773,15 +1773,13 @@ static int snd_hdspm_midi_output_close(s - return 0; - } - --static struct snd_rawmidi_ops snd_hdspm_midi_output = --{ -+static const struct snd_rawmidi_ops snd_hdspm_midi_output = { - .open = snd_hdspm_midi_output_open, - .close = snd_hdspm_midi_output_close, - .trigger = snd_hdspm_midi_output_trigger, - }; - --static struct snd_rawmidi_ops snd_hdspm_midi_input = --{ -+static const struct snd_rawmidi_ops snd_hdspm_midi_input = { - .open = snd_hdspm_midi_input_open, - .close = snd_hdspm_midi_input_close, - .trigger = snd_hdspm_midi_input_trigger, -@@ -6172,7 +6170,7 @@ static int snd_hdspm_hwdep_ioctl(struct - return 0; - } - --static struct snd_pcm_ops snd_hdspm_playback_ops = { -+static const struct snd_pcm_ops snd_hdspm_playback_ops = { - .open = snd_hdspm_playback_open, - .close = snd_hdspm_playback_release, - .ioctl = snd_hdspm_ioctl, -@@ -6184,7 +6182,7 @@ static struct snd_pcm_ops snd_hdspm_play - .page = snd_pcm_sgbuf_ops_page, - }; - --static struct snd_pcm_ops snd_hdspm_capture_ops = { -+static const struct snd_pcm_ops snd_hdspm_capture_ops = { - .open = snd_hdspm_capture_open, - .close = snd_hdspm_capture_release, - .ioctl = snd_hdspm_ioctl, -diff -urNp linux-2.6.39.3/sound/pci/rme9652/rme9652.c linux-2.6.39.3/sound/pci/rme9652/rme9652.c ---- linux-2.6.39.3/sound/pci/rme9652/rme9652.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/pci/rme9652/rme9652.c 2011-05-22 19:36:35.000000000 -0400 -@@ -2391,7 +2391,7 @@ static int snd_rme9652_capture_release(s - return 0; - } - --static struct snd_pcm_ops snd_rme9652_playback_ops = { -+static const struct snd_pcm_ops snd_rme9652_playback_ops = { - .open = snd_rme9652_playback_open, - .close = snd_rme9652_playback_release, - .ioctl = snd_rme9652_ioctl, -@@ -2403,7 +2403,7 @@ static struct snd_pcm_ops snd_rme9652_pl - .silence = snd_rme9652_hw_silence, - }; - --static struct snd_pcm_ops snd_rme9652_capture_ops = { -+static const struct snd_pcm_ops snd_rme9652_capture_ops = { - .open = snd_rme9652_capture_open, - .close = snd_rme9652_capture_release, - .ioctl = snd_rme9652_ioctl, -diff -urNp linux-2.6.39.3/sound/pci/rme96.c linux-2.6.39.3/sound/pci/rme96.c ---- linux-2.6.39.3/sound/pci/rme96.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/pci/rme96.c 2011-05-22 19:36:35.000000000 -0400 -@@ -1447,7 +1447,7 @@ snd_rme96_capture_pointer(struct snd_pcm - return snd_rme96_capture_ptr(rme96); - } - --static struct snd_pcm_ops snd_rme96_playback_spdif_ops = { -+static const struct snd_pcm_ops snd_rme96_playback_spdif_ops = { - .open = snd_rme96_playback_spdif_open, - .close = snd_rme96_playback_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -1460,7 +1460,7 @@ static struct snd_pcm_ops snd_rme96_play - .mmap = snd_pcm_lib_mmap_iomem, - }; - --static struct snd_pcm_ops snd_rme96_capture_spdif_ops = { -+static const struct snd_pcm_ops snd_rme96_capture_spdif_ops = { - .open = snd_rme96_capture_spdif_open, - .close = snd_rme96_capture_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -1472,7 +1472,7 @@ static struct snd_pcm_ops snd_rme96_capt - .mmap = snd_pcm_lib_mmap_iomem, - }; - --static struct snd_pcm_ops snd_rme96_playback_adat_ops = { -+static const struct snd_pcm_ops snd_rme96_playback_adat_ops = { - .open = snd_rme96_playback_adat_open, - .close = snd_rme96_playback_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -1485,7 +1485,7 @@ static struct snd_pcm_ops snd_rme96_play - .mmap = snd_pcm_lib_mmap_iomem, - }; - --static struct snd_pcm_ops snd_rme96_capture_adat_ops = { -+static const struct snd_pcm_ops snd_rme96_capture_adat_ops = { - .open = snd_rme96_capture_adat_open, - .close = snd_rme96_capture_close, - .ioctl = snd_pcm_lib_ioctl, -diff -urNp linux-2.6.39.3/sound/pci/sis7019.c linux-2.6.39.3/sound/pci/sis7019.c ---- linux-2.6.39.3/sound/pci/sis7019.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/pci/sis7019.c 2011-05-22 19:36:35.000000000 -0400 -@@ -1011,7 +1011,7 @@ static int __devinit sis_mixer_create(st - { - struct snd_ac97_bus *bus; - struct snd_ac97_template ac97; -- static struct snd_ac97_bus_ops ops = { -+ static const struct snd_ac97_bus_ops ops = { - .write = sis_ac97_write, - .read = sis_ac97_read, - }; -@@ -1293,7 +1293,7 @@ static int __devinit sis_chip_create(str - { - struct sis7019 *sis = card->private_data; - struct voice *voice; -- static struct snd_device_ops ops = { -+ static const struct snd_device_ops ops = { - .dev_free = sis_dev_free, - }; - int rc; -diff -urNp linux-2.6.39.3/sound/pci/sonicvibes.c linux-2.6.39.3/sound/pci/sonicvibes.c ---- linux-2.6.39.3/sound/pci/sonicvibes.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/pci/sonicvibes.c 2011-05-22 19:36:35.000000000 -0400 -@@ -855,7 +855,7 @@ static int snd_sonicvibes_capture_close( - return 0; - } - --static struct snd_pcm_ops snd_sonicvibes_playback_ops = { -+static const struct snd_pcm_ops snd_sonicvibes_playback_ops = { - .open = snd_sonicvibes_playback_open, - .close = snd_sonicvibes_playback_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -866,7 +866,7 @@ static struct snd_pcm_ops snd_sonicvibes - .pointer = snd_sonicvibes_playback_pointer, - }; - --static struct snd_pcm_ops snd_sonicvibes_capture_ops = { -+static const struct snd_pcm_ops snd_sonicvibes_capture_ops = { - .open = snd_sonicvibes_capture_open, - .close = snd_sonicvibes_capture_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -1255,7 +1255,7 @@ static int __devinit snd_sonicvibes_crea - struct sonicvibes *sonic; - unsigned int dmaa, dmac; - int err; -- static struct snd_device_ops ops = { -+ static const struct snd_device_ops ops = { - .dev_free = snd_sonicvibes_dev_free, - }; - -diff -urNp linux-2.6.39.3/sound/pci/trident/trident_main.c linux-2.6.39.3/sound/pci/trident/trident_main.c ---- linux-2.6.39.3/sound/pci/trident/trident_main.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/pci/trident/trident_main.c 2011-05-22 19:36:35.000000000 -0400 -@@ -3549,7 +3549,7 @@ int __devinit snd_trident_create(struct - int i, err; - struct snd_trident_voice *voice; - struct snd_trident_pcm_mixer *tmix; -- static struct snd_device_ops ops = { -+ static const struct snd_device_ops ops = { - .dev_free = snd_trident_dev_free, - }; - -diff -urNp linux-2.6.39.3/sound/pci/via82xx.c linux-2.6.39.3/sound/pci/via82xx.c ---- linux-2.6.39.3/sound/pci/via82xx.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/pci/via82xx.c 2011-05-22 19:36:35.000000000 -0400 -@@ -1352,7 +1352,7 @@ static int snd_via8233_playback_close(st - - - /* via686 playback callbacks */ --static struct snd_pcm_ops snd_via686_playback_ops = { -+static const struct snd_pcm_ops snd_via686_playback_ops = { - .open = snd_via686_playback_open, - .close = snd_via82xx_pcm_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -1365,7 +1365,7 @@ static struct snd_pcm_ops snd_via686_pla - }; - - /* via686 capture callbacks */ --static struct snd_pcm_ops snd_via686_capture_ops = { -+static const struct snd_pcm_ops snd_via686_capture_ops = { - .open = snd_via82xx_capture_open, - .close = snd_via82xx_pcm_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -1378,7 +1378,7 @@ static struct snd_pcm_ops snd_via686_cap - }; - - /* via823x DSX playback callbacks */ --static struct snd_pcm_ops snd_via8233_playback_ops = { -+static const struct snd_pcm_ops snd_via8233_playback_ops = { - .open = snd_via8233_playback_open, - .close = snd_via8233_playback_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -1391,7 +1391,7 @@ static struct snd_pcm_ops snd_via8233_pl - }; - - /* via823x multi-channel playback callbacks */ --static struct snd_pcm_ops snd_via8233_multi_ops = { -+static const struct snd_pcm_ops snd_via8233_multi_ops = { - .open = snd_via8233_multi_open, - .close = snd_via82xx_pcm_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -1404,7 +1404,7 @@ static struct snd_pcm_ops snd_via8233_mu - }; - - /* via823x capture callbacks */ --static struct snd_pcm_ops snd_via8233_capture_ops = { -+static const struct snd_pcm_ops snd_via8233_capture_ops = { - .open = snd_via82xx_capture_open, - .close = snd_via82xx_pcm_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -1868,7 +1868,7 @@ static int __devinit snd_via82xx_mixer_n - { - struct snd_ac97_template ac97; - int err; -- static struct snd_ac97_bus_ops ops = { -+ static const struct snd_ac97_bus_ops ops = { - .write = snd_via82xx_codec_write, - .read = snd_via82xx_codec_read, - .wait = snd_via82xx_codec_wait, -@@ -2340,7 +2340,7 @@ static int __devinit snd_via82xx_create( - { - struct via82xx *chip; - int err; -- static struct snd_device_ops ops = { -+ static const struct snd_device_ops ops = { - .dev_free = snd_via82xx_dev_free, - }; - -diff -urNp linux-2.6.39.3/sound/pci/via82xx_modem.c linux-2.6.39.3/sound/pci/via82xx_modem.c ---- linux-2.6.39.3/sound/pci/via82xx_modem.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/pci/via82xx_modem.c 2011-05-22 19:36:35.000000000 -0400 -@@ -799,7 +799,7 @@ static int snd_via82xx_pcm_close(struct - - - /* via686 playback callbacks */ --static struct snd_pcm_ops snd_via686_playback_ops = { -+static const struct snd_pcm_ops snd_via686_playback_ops = { - .open = snd_via82xx_playback_open, - .close = snd_via82xx_pcm_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -812,7 +812,7 @@ static struct snd_pcm_ops snd_via686_pla - }; - - /* via686 capture callbacks */ --static struct snd_pcm_ops snd_via686_capture_ops = { -+static const struct snd_pcm_ops snd_via686_capture_ops = { - .open = snd_via82xx_capture_open, - .close = snd_via82xx_pcm_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -889,7 +889,7 @@ static int __devinit snd_via82xx_mixer_n - { - struct snd_ac97_template ac97; - int err; -- static struct snd_ac97_bus_ops ops = { -+ static const struct snd_ac97_bus_ops ops = { - .write = snd_via82xx_codec_write, - .read = snd_via82xx_codec_read, - .wait = snd_via82xx_codec_wait, -@@ -1105,7 +1105,7 @@ static int __devinit snd_via82xx_create( - { - struct via82xx_modem *chip; - int err; -- static struct snd_device_ops ops = { -+ static const struct snd_device_ops ops = { - .dev_free = snd_via82xx_dev_free, - }; - -diff -urNp linux-2.6.39.3/sound/pci/vx222/vx222.c linux-2.6.39.3/sound/pci/vx222/vx222.c ---- linux-2.6.39.3/sound/pci/vx222/vx222.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/pci/vx222/vx222.c 2011-05-22 19:36:35.000000000 -0400 -@@ -141,7 +141,7 @@ static int __devinit snd_vx222_create(st - struct vx_core *chip; - struct snd_vx222 *vx; - int i, err; -- static struct snd_device_ops ops = { -+ static const struct snd_device_ops ops = { - .dev_free = snd_vx222_dev_free, - }; - struct snd_vx_ops *vx_ops; -diff -urNp linux-2.6.39.3/sound/pci/ymfpci/ymfpci_main.c linux-2.6.39.3/sound/pci/ymfpci/ymfpci_main.c ---- linux-2.6.39.3/sound/pci/ymfpci/ymfpci_main.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/pci/ymfpci/ymfpci_main.c 2011-05-22 19:36:35.000000000 -0400 -@@ -202,8 +202,8 @@ static void snd_ymfpci_hw_stop(struct sn - if ((snd_ymfpci_readl(chip, YDSXGR_STATUS) & 2) == 0) - break; - } -- if (atomic_read(&chip->interrupt_sleep_count)) { -- atomic_set(&chip->interrupt_sleep_count, 0); -+ if (atomic_read_unchecked(&chip->interrupt_sleep_count)) { -+ atomic_set_unchecked(&chip->interrupt_sleep_count, 0); - wake_up(&chip->interrupt_sleep); - } - __end: -@@ -787,7 +787,7 @@ static void snd_ymfpci_irq_wait(struct s - continue; - init_waitqueue_entry(&wait, current); - add_wait_queue(&chip->interrupt_sleep, &wait); -- atomic_inc(&chip->interrupt_sleep_count); -+ atomic_inc_unchecked(&chip->interrupt_sleep_count); - schedule_timeout_uninterruptible(msecs_to_jiffies(50)); - remove_wait_queue(&chip->interrupt_sleep, &wait); - } -@@ -825,8 +825,8 @@ static irqreturn_t snd_ymfpci_interrupt( - snd_ymfpci_writel(chip, YDSXGR_MODE, mode); - spin_unlock(&chip->reg_lock); - -- if (atomic_read(&chip->interrupt_sleep_count)) { -- atomic_set(&chip->interrupt_sleep_count, 0); -+ if (atomic_read_unchecked(&chip->interrupt_sleep_count)) { -+ atomic_set_unchecked(&chip->interrupt_sleep_count, 0); - wake_up(&chip->interrupt_sleep); - } - } -@@ -2344,7 +2344,7 @@ int __devinit snd_ymfpci_create(struct s - { - struct snd_ymfpci *chip; - int err; -- static struct snd_device_ops ops = { -+ static const struct snd_device_ops ops = { - .dev_free = snd_ymfpci_dev_free, - }; - -@@ -2363,7 +2363,7 @@ int __devinit snd_ymfpci_create(struct s - spin_lock_init(&chip->reg_lock); - spin_lock_init(&chip->voice_lock); - init_waitqueue_head(&chip->interrupt_sleep); -- atomic_set(&chip->interrupt_sleep_count, 0); -+ atomic_set_unchecked(&chip->interrupt_sleep_count, 0); - chip->card = card; - chip->pci = pci; - chip->irq = -1; -diff -urNp linux-2.6.39.3/sound/pcmcia/pdaudiocf/pdaudiocf.c linux-2.6.39.3/sound/pcmcia/pdaudiocf/pdaudiocf.c ---- linux-2.6.39.3/sound/pcmcia/pdaudiocf/pdaudiocf.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/pcmcia/pdaudiocf/pdaudiocf.c 2011-05-22 19:36:35.000000000 -0400 -@@ -94,7 +94,7 @@ static int snd_pdacf_probe(struct pcmcia - int i, err; - struct snd_pdacf *pdacf; - struct snd_card *card; -- static struct snd_device_ops ops = { -+ static const struct snd_device_ops ops = { - .dev_free = snd_pdacf_dev_free, - }; - -diff -urNp linux-2.6.39.3/sound/pcmcia/vx/vxpocket.c linux-2.6.39.3/sound/pcmcia/vx/vxpocket.c ---- linux-2.6.39.3/sound/pcmcia/vx/vxpocket.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/pcmcia/vx/vxpocket.c 2011-05-22 19:36:35.000000000 -0400 -@@ -137,7 +137,7 @@ static int snd_vxpocket_new(struct snd_c - { - struct vx_core *chip; - struct snd_vxpocket *vxp; -- static struct snd_device_ops ops = { -+ static const struct snd_device_ops ops = { - .dev_free = snd_vxpocket_dev_free, - }; - int err; -diff -urNp linux-2.6.39.3/sound/ppc/pmac.c linux-2.6.39.3/sound/ppc/pmac.c ---- linux-2.6.39.3/sound/ppc/pmac.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/ppc/pmac.c 2011-05-22 19:36:35.000000000 -0400 -@@ -1186,7 +1186,7 @@ int __devinit snd_pmac_new(struct snd_ca - int i, err; - unsigned int irq; - unsigned long ctrl_addr, txdma_addr, rxdma_addr; -- static struct snd_device_ops ops = { -+ static const struct snd_device_ops ops = { - .dev_free = snd_pmac_dev_free, - }; - -diff -urNp linux-2.6.39.3/sound/ppc/snd_ps3.c linux-2.6.39.3/sound/ppc/snd_ps3.c ---- linux-2.6.39.3/sound/ppc/snd_ps3.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/ppc/snd_ps3.c 2011-05-22 19:36:35.000000000 -0400 -@@ -773,7 +773,7 @@ static struct snd_kcontrol_new spdif_ctl - }, - }; - --static struct snd_pcm_ops snd_ps3_pcm_spdif_ops = { -+static const struct snd_pcm_ops snd_ps3_pcm_spdif_ops = { - .open = snd_ps3_pcm_open, - .close = snd_ps3_pcm_close, - .ioctl = snd_pcm_lib_ioctl, -diff -urNp linux-2.6.39.3/sound/sh/aica.c linux-2.6.39.3/sound/sh/aica.c ---- linux-2.6.39.3/sound/sh/aica.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/sh/aica.c 2011-05-22 19:36:35.000000000 -0400 -@@ -441,7 +441,7 @@ static unsigned long snd_aicapcm_pcm_poi - return readl(AICA_CONTROL_CHANNEL_SAMPLE_NUMBER); - } - --static struct snd_pcm_ops snd_aicapcm_playback_ops = { -+static const struct snd_pcm_ops snd_aicapcm_playback_ops = { - .open = snd_aicapcm_pcm_open, - .close = snd_aicapcm_pcm_close, - .ioctl = snd_pcm_lib_ioctl, -diff -urNp linux-2.6.39.3/sound/sh/sh_dac_audio.c linux-2.6.39.3/sound/sh/sh_dac_audio.c ---- linux-2.6.39.3/sound/sh/sh_dac_audio.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/sh/sh_dac_audio.c 2011-05-22 19:36:35.000000000 -0400 -@@ -246,7 +246,7 @@ snd_pcm_uframes_t snd_sh_dac_pcm_pointer - } - - /* pcm ops */ --static struct snd_pcm_ops snd_sh_dac_pcm_ops = { -+static const struct snd_pcm_ops snd_sh_dac_pcm_ops = { - .open = snd_sh_dac_pcm_open, - .close = snd_sh_dac_pcm_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -352,7 +352,7 @@ static int __devinit snd_sh_dac_create(s - struct snd_sh_dac *chip; - int err; - -- static struct snd_device_ops ops = { -+ static const struct snd_device_ops ops = { - .dev_free = snd_sh_dac_dev_free, - }; - -diff -urNp linux-2.6.39.3/sound/soc/atmel/atmel-pcm.c linux-2.6.39.3/sound/soc/atmel/atmel-pcm.c ---- linux-2.6.39.3/sound/soc/atmel/atmel-pcm.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/atmel/atmel-pcm.c 2011-05-22 19:36:35.000000000 -0400 -@@ -346,7 +346,7 @@ static int atmel_pcm_mmap(struct snd_pcm - vma->vm_end - vma->vm_start, vma->vm_page_prot); - } - --static struct snd_pcm_ops atmel_pcm_ops = { -+static const struct snd_pcm_ops atmel_pcm_ops = { - .open = atmel_pcm_open, - .close = atmel_pcm_close, - .ioctl = snd_pcm_lib_ioctl, -diff -urNp linux-2.6.39.3/sound/soc/atmel/playpaq_wm8510.c linux-2.6.39.3/sound/soc/atmel/playpaq_wm8510.c ---- linux-2.6.39.3/sound/soc/atmel/playpaq_wm8510.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/atmel/playpaq_wm8510.c 2011-05-22 19:36:35.000000000 -0400 -@@ -289,7 +289,7 @@ static int playpaq_wm8510_hw_params(stru - - - --static struct snd_soc_ops playpaq_wm8510_ops = { -+static const struct snd_soc_ops playpaq_wm8510_ops = { - .hw_params = playpaq_wm8510_hw_params, - }; - -diff -urNp linux-2.6.39.3/sound/soc/atmel/sam9g20_wm8731.c linux-2.6.39.3/sound/soc/atmel/sam9g20_wm8731.c ---- linux-2.6.39.3/sound/soc/atmel/sam9g20_wm8731.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/atmel/sam9g20_wm8731.c 2011-05-22 19:36:35.000000000 -0400 -@@ -87,7 +87,7 @@ static int at91sam9g20ek_hw_params(struc - return 0; - } - --static struct snd_soc_ops at91sam9g20ek_ops = { -+static const struct snd_soc_ops at91sam9g20ek_ops = { - .hw_params = at91sam9g20ek_hw_params, - }; - -diff -urNp linux-2.6.39.3/sound/soc/atmel/snd-soc-afeb9260.c linux-2.6.39.3/sound/soc/atmel/snd-soc-afeb9260.c ---- linux-2.6.39.3/sound/soc/atmel/snd-soc-afeb9260.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/atmel/snd-soc-afeb9260.c 2011-05-22 19:36:35.000000000 -0400 -@@ -81,7 +81,7 @@ static int afeb9260_hw_params(struct snd - return err; - } - --static struct snd_soc_ops afeb9260_ops = { -+static const struct snd_soc_ops afeb9260_ops = { - .hw_params = afeb9260_hw_params, - }; - -diff -urNp linux-2.6.39.3/sound/soc/au1x/db1200.c linux-2.6.39.3/sound/soc/au1x/db1200.c ---- linux-2.6.39.3/sound/soc/au1x/db1200.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/au1x/db1200.c 2011-05-22 19:36:35.000000000 -0400 -@@ -67,7 +67,7 @@ out: - return ret; - } - --static struct snd_soc_ops db1200_i2s_wm8731_ops = { -+static const struct snd_soc_ops db1200_i2s_wm8731_ops = { - .startup = db1200_i2s_startup, - }; - -diff -urNp linux-2.6.39.3/sound/soc/au1x/dbdma2.c linux-2.6.39.3/sound/soc/au1x/dbdma2.c ---- linux-2.6.39.3/sound/soc/au1x/dbdma2.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/au1x/dbdma2.c 2011-05-22 19:36:35.000000000 -0400 -@@ -303,7 +303,7 @@ static int au1xpsc_pcm_close(struct snd_ - return 0; - } - --static struct snd_pcm_ops au1xpsc_pcm_ops = { -+static const struct snd_pcm_ops au1xpsc_pcm_ops = { - .open = au1xpsc_pcm_open, - .close = au1xpsc_pcm_close, - .ioctl = snd_pcm_lib_ioctl, -diff -urNp linux-2.6.39.3/sound/soc/blackfin/bf5xx-ac97.c linux-2.6.39.3/sound/soc/blackfin/bf5xx-ac97.c ---- linux-2.6.39.3/sound/soc/blackfin/bf5xx-ac97.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/blackfin/bf5xx-ac97.c 2011-05-22 19:36:35.000000000 -0400 -@@ -244,7 +244,7 @@ static void bf5xx_ac97_cold_reset(struct - #endif - } - --struct snd_ac97_bus_ops soc_ac97_ops = { -+const struct snd_ac97_bus_ops soc_ac97_ops = { - .read = bf5xx_ac97_read, - .write = bf5xx_ac97_write, - .warm_reset = bf5xx_ac97_warm_reset, -diff -urNp linux-2.6.39.3/sound/soc/blackfin/bf5xx-ac97.h linux-2.6.39.3/sound/soc/blackfin/bf5xx-ac97.h ---- linux-2.6.39.3/sound/soc/blackfin/bf5xx-ac97.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/blackfin/bf5xx-ac97.h 2011-05-22 19:36:35.000000000 -0400 -@@ -9,7 +9,7 @@ - #ifndef _BF5XX_AC97_H - #define _BF5XX_AC97_H - --extern struct snd_ac97_bus_ops bf5xx_ac97_ops; -+extern const struct snd_ac97_bus_ops bf5xx_ac97_ops; - extern struct snd_ac97 *ac97; - /* Frame format in memory, only support stereo currently */ - struct ac97_frame { -diff -urNp linux-2.6.39.3/sound/soc/blackfin/bf5xx-ac97-pcm.c linux-2.6.39.3/sound/soc/blackfin/bf5xx-ac97-pcm.c ---- linux-2.6.39.3/sound/soc/blackfin/bf5xx-ac97-pcm.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/blackfin/bf5xx-ac97-pcm.c 2011-05-22 19:36:35.000000000 -0400 -@@ -297,7 +297,7 @@ static int bf5xx_pcm_copy(struct snd_pcm - } - #endif - --static struct snd_pcm_ops bf5xx_pcm_ac97_ops = { -+static const struct snd_pcm_ops bf5xx_pcm_ac97_ops = { - .open = bf5xx_pcm_open, - .ioctl = snd_pcm_lib_ioctl, - .hw_params = bf5xx_pcm_hw_params, -diff -urNp linux-2.6.39.3/sound/soc/blackfin/bf5xx-ad1836.c linux-2.6.39.3/sound/soc/blackfin/bf5xx-ad1836.c ---- linux-2.6.39.3/sound/soc/blackfin/bf5xx-ad1836.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/blackfin/bf5xx-ad1836.c 2011-05-22 19:36:35.000000000 -0400 -@@ -74,7 +74,7 @@ static int bf5xx_ad1836_hw_params(struct - return 0; - } - --static struct snd_soc_ops bf5xx_ad1836_ops = { -+static const struct snd_soc_ops bf5xx_ad1836_ops = { - .startup = bf5xx_ad1836_startup, - .hw_params = bf5xx_ad1836_hw_params, - }; -diff -urNp linux-2.6.39.3/sound/soc/blackfin/bf5xx-ad193x.c linux-2.6.39.3/sound/soc/blackfin/bf5xx-ad193x.c ---- linux-2.6.39.3/sound/soc/blackfin/bf5xx-ad193x.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/blackfin/bf5xx-ad193x.c 2011-05-22 19:36:35.000000000 -0400 -@@ -88,7 +88,7 @@ static int bf5xx_ad193x_hw_params(struct - return 0; - } - --static struct snd_soc_ops bf5xx_ad193x_ops = { -+static const struct snd_soc_ops bf5xx_ad193x_ops = { - .startup = bf5xx_ad193x_startup, - .hw_params = bf5xx_ad193x_hw_params, - }; -diff -urNp linux-2.6.39.3/sound/soc/blackfin/bf5xx-ad1980.c linux-2.6.39.3/sound/soc/blackfin/bf5xx-ad1980.c ---- linux-2.6.39.3/sound/soc/blackfin/bf5xx-ad1980.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/blackfin/bf5xx-ad1980.c 2011-05-22 19:36:35.000000000 -0400 -@@ -63,7 +63,7 @@ static int bf5xx_board_startup(struct sn - return 0; - } - --static struct snd_soc_ops bf5xx_board_ops = { -+static const struct snd_soc_ops bf5xx_board_ops = { - .startup = bf5xx_board_startup, - }; - -diff -urNp linux-2.6.39.3/sound/soc/blackfin/bf5xx-ad73311.c linux-2.6.39.3/sound/soc/blackfin/bf5xx-ad73311.c ---- linux-2.6.39.3/sound/soc/blackfin/bf5xx-ad73311.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/blackfin/bf5xx-ad73311.c 2011-05-22 19:36:35.000000000 -0400 -@@ -175,7 +175,7 @@ static int bf5xx_ad73311_hw_params(struc - } - - --static struct snd_soc_ops bf5xx_ad73311_ops = { -+static const struct snd_soc_ops bf5xx_ad73311_ops = { - .startup = bf5xx_ad73311_startup, - .hw_params = bf5xx_ad73311_hw_params, - }; -diff -urNp linux-2.6.39.3/sound/soc/blackfin/bf5xx-i2s-pcm.c linux-2.6.39.3/sound/soc/blackfin/bf5xx-i2s-pcm.c ---- linux-2.6.39.3/sound/soc/blackfin/bf5xx-i2s-pcm.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/blackfin/bf5xx-i2s-pcm.c 2011-05-22 19:36:35.000000000 -0400 -@@ -183,7 +183,7 @@ static int bf5xx_pcm_mmap(struct snd_pcm - return 0 ; - } - --static struct snd_pcm_ops bf5xx_pcm_i2s_ops = { -+static const struct snd_pcm_ops bf5xx_pcm_i2s_ops = { - .open = bf5xx_pcm_open, - .ioctl = snd_pcm_lib_ioctl, - .hw_params = bf5xx_pcm_hw_params, -diff -urNp linux-2.6.39.3/sound/soc/blackfin/bf5xx-ssm2602.c linux-2.6.39.3/sound/soc/blackfin/bf5xx-ssm2602.c ---- linux-2.6.39.3/sound/soc/blackfin/bf5xx-ssm2602.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/blackfin/bf5xx-ssm2602.c 2011-05-22 19:36:35.000000000 -0400 -@@ -108,7 +108,7 @@ static int bf5xx_ssm2602_hw_params(struc - return 0; - } - --static struct snd_soc_ops bf5xx_ssm2602_ops = { -+static const struct snd_soc_ops bf5xx_ssm2602_ops = { - .startup = bf5xx_ssm2602_startup, - .hw_params = bf5xx_ssm2602_hw_params, - }; -diff -urNp linux-2.6.39.3/sound/soc/blackfin/bf5xx-tdm-pcm.c linux-2.6.39.3/sound/soc/blackfin/bf5xx-tdm-pcm.c ---- linux-2.6.39.3/sound/soc/blackfin/bf5xx-tdm-pcm.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/blackfin/bf5xx-tdm-pcm.c 2011-05-22 19:36:35.000000000 -0400 -@@ -220,7 +220,7 @@ static int bf5xx_pcm_silence(struct snd_ - } - - --struct snd_pcm_ops bf5xx_pcm_tdm_ops = { -+const struct snd_pcm_ops bf5xx_pcm_tdm_ops = { - .open = bf5xx_pcm_open, - .ioctl = snd_pcm_lib_ioctl, - .hw_params = bf5xx_pcm_hw_params, -diff -urNp linux-2.6.39.3/sound/soc/davinci/davinci-evm.c linux-2.6.39.3/sound/soc/davinci/davinci-evm.c ---- linux-2.6.39.3/sound/soc/davinci/davinci-evm.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/davinci/davinci-evm.c 2011-05-22 19:36:35.000000000 -0400 -@@ -88,11 +88,11 @@ static int evm_spdif_hw_params(struct sn - return snd_soc_dai_set_fmt(cpu_dai, AUDIO_FORMAT); - } - --static struct snd_soc_ops evm_ops = { -+static const struct snd_soc_ops evm_ops = { - .hw_params = evm_hw_params, - }; - --static struct snd_soc_ops evm_spdif_ops = { -+static const struct snd_soc_ops evm_spdif_ops = { - .hw_params = evm_spdif_hw_params, - }; - -diff -urNp linux-2.6.39.3/sound/soc/davinci/davinci-pcm.c linux-2.6.39.3/sound/soc/davinci/davinci-pcm.c ---- linux-2.6.39.3/sound/soc/davinci/davinci-pcm.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/davinci/davinci-pcm.c 2011-05-22 19:36:35.000000000 -0400 -@@ -748,7 +748,7 @@ static int davinci_pcm_mmap(struct snd_p - runtime->dma_bytes); - } - --static struct snd_pcm_ops davinci_pcm_ops = { -+static const struct snd_pcm_ops davinci_pcm_ops = { - .open = davinci_pcm_open, - .close = davinci_pcm_close, - .ioctl = snd_pcm_lib_ioctl, -diff -urNp linux-2.6.39.3/sound/soc/davinci/davinci-sffsdr.c linux-2.6.39.3/sound/soc/davinci/davinci-sffsdr.c ---- linux-2.6.39.3/sound/soc/davinci/davinci-sffsdr.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/davinci/davinci-sffsdr.c 2011-05-22 19:36:35.000000000 -0400 -@@ -75,7 +75,7 @@ static int sffsdr_hw_params(struct snd_p - #endif - } - --static struct snd_soc_ops sffsdr_ops = { -+static const struct snd_soc_ops sffsdr_ops = { - .hw_params = sffsdr_hw_params, - }; - -diff -urNp linux-2.6.39.3/sound/soc/ep93xx/edb93xx.c linux-2.6.39.3/sound/soc/ep93xx/edb93xx.c ---- linux-2.6.39.3/sound/soc/ep93xx/edb93xx.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/ep93xx/edb93xx.c 2011-05-22 19:36:35.000000000 -0400 -@@ -74,7 +74,7 @@ static int edb93xx_hw_params(struct snd_ - SND_SOC_CLOCK_OUT); - } - --static struct snd_soc_ops edb93xx_ops = { -+static const struct snd_soc_ops edb93xx_ops = { - .hw_params = edb93xx_hw_params, - }; - -diff -urNp linux-2.6.39.3/sound/soc/ep93xx/ep93xx-ac97.c linux-2.6.39.3/sound/soc/ep93xx/ep93xx-ac97.c ---- linux-2.6.39.3/sound/soc/ep93xx/ep93xx-ac97.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/ep93xx/ep93xx-ac97.c 2011-05-22 19:36:35.000000000 -0400 -@@ -239,7 +239,7 @@ static irqreturn_t ep93xx_ac97_interrupt - return IRQ_HANDLED; - } - --struct snd_ac97_bus_ops soc_ac97_ops = { -+const struct snd_ac97_bus_ops soc_ac97_ops = { - .read = ep93xx_ac97_read, - .write = ep93xx_ac97_write, - .reset = ep93xx_ac97_cold_reset, -diff -urNp linux-2.6.39.3/sound/soc/ep93xx/ep93xx-pcm.c linux-2.6.39.3/sound/soc/ep93xx/ep93xx-pcm.c ---- linux-2.6.39.3/sound/soc/ep93xx/ep93xx-pcm.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/ep93xx/ep93xx-pcm.c 2011-05-22 19:36:35.000000000 -0400 -@@ -216,7 +216,7 @@ static int ep93xx_pcm_mmap(struct snd_pc - runtime->dma_bytes); - } - --static struct snd_pcm_ops ep93xx_pcm_ops = { -+static const struct snd_pcm_ops ep93xx_pcm_ops = { - .open = ep93xx_pcm_open, - .close = ep93xx_pcm_close, - .ioctl = snd_pcm_lib_ioctl, -diff -urNp linux-2.6.39.3/sound/soc/ep93xx/snappercl15.c linux-2.6.39.3/sound/soc/ep93xx/snappercl15.c ---- linux-2.6.39.3/sound/soc/ep93xx/snappercl15.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/ep93xx/snappercl15.c 2011-05-22 19:36:35.000000000 -0400 -@@ -55,7 +55,7 @@ static int snappercl15_hw_params(struct - return 0; - } - --static struct snd_soc_ops snappercl15_ops = { -+static const struct snd_soc_ops snappercl15_ops = { - .hw_params = snappercl15_hw_params, - }; - -diff -urNp linux-2.6.39.3/sound/soc/fsl/fsl_dma.c linux-2.6.39.3/sound/soc/fsl/fsl_dma.c ---- linux-2.6.39.3/sound/soc/fsl/fsl_dma.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/fsl/fsl_dma.c 2011-05-22 19:36:35.000000000 -0400 -@@ -887,7 +887,7 @@ static struct device_node *find_ssi_node - return NULL; - } - --static struct snd_pcm_ops fsl_dma_ops = { -+static const struct snd_pcm_ops fsl_dma_ops = { - .open = fsl_dma_open, - .close = fsl_dma_close, - .ioctl = snd_pcm_lib_ioctl, -diff -urNp linux-2.6.39.3/sound/soc/fsl/mpc8610_hpcd.c linux-2.6.39.3/sound/soc/fsl/mpc8610_hpcd.c ---- linux-2.6.39.3/sound/soc/fsl/mpc8610_hpcd.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/fsl/mpc8610_hpcd.c 2011-05-22 19:36:35.000000000 -0400 -@@ -175,7 +175,7 @@ static int mpc8610_hpcd_machine_remove(s - /** - * mpc8610_hpcd_ops: ASoC machine driver operations - */ --static struct snd_soc_ops mpc8610_hpcd_ops = { -+static const struct snd_soc_ops mpc8610_hpcd_ops = { - .startup = mpc8610_hpcd_startup, - }; - -diff -urNp linux-2.6.39.3/sound/soc/fsl/p1022_ds.c linux-2.6.39.3/sound/soc/fsl/p1022_ds.c ---- linux-2.6.39.3/sound/soc/fsl/p1022_ds.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/fsl/p1022_ds.c 2011-05-22 19:36:35.000000000 -0400 -@@ -185,7 +185,7 @@ static int p1022_ds_machine_remove(struc - /** - * p1022_ds_ops: ASoC machine driver operations - */ --static struct snd_soc_ops p1022_ds_ops = { -+static const struct snd_soc_ops p1022_ds_ops = { - .startup = p1022_ds_startup, - }; - -diff -urNp linux-2.6.39.3/sound/soc/imx/eukrea-tlv320.c linux-2.6.39.3/sound/soc/imx/eukrea-tlv320.c ---- linux-2.6.39.3/sound/soc/imx/eukrea-tlv320.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/imx/eukrea-tlv320.c 2011-05-22 19:36:35.000000000 -0400 -@@ -71,7 +71,7 @@ static int eukrea_tlv320_hw_params(struc - return 0; - } - --static struct snd_soc_ops eukrea_tlv320_snd_ops = { -+static const struct snd_soc_ops eukrea_tlv320_snd_ops = { - .hw_params = eukrea_tlv320_hw_params, - }; - -diff -urNp linux-2.6.39.3/sound/soc/imx/imx-pcm-dma-mx2.c linux-2.6.39.3/sound/soc/imx/imx-pcm-dma-mx2.c ---- linux-2.6.39.3/sound/soc/imx/imx-pcm-dma-mx2.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/imx/imx-pcm-dma-mx2.c 2011-05-22 19:36:35.000000000 -0400 -@@ -283,7 +283,7 @@ static int snd_imx_close(struct snd_pcm_ - return 0; - } - --static struct snd_pcm_ops imx_pcm_ops = { -+static const struct snd_pcm_ops imx_pcm_ops = { - .open = snd_imx_open, - .close = snd_imx_close, - .ioctl = snd_pcm_lib_ioctl, -diff -urNp linux-2.6.39.3/sound/soc/imx/imx-pcm-fiq.c linux-2.6.39.3/sound/soc/imx/imx-pcm-fiq.c ---- linux-2.6.39.3/sound/soc/imx/imx-pcm-fiq.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/imx/imx-pcm-fiq.c 2011-05-22 19:36:35.000000000 -0400 -@@ -225,7 +225,7 @@ static int snd_imx_close(struct snd_pcm_ - return 0; - } - --static struct snd_pcm_ops imx_pcm_ops = { -+static const struct snd_pcm_ops imx_pcm_ops = { - .open = snd_imx_open, - .close = snd_imx_close, - .ioctl = snd_pcm_lib_ioctl, -diff -urNp linux-2.6.39.3/sound/soc/imx/mx27vis-aic32x4.c linux-2.6.39.3/sound/soc/imx/mx27vis-aic32x4.c ---- linux-2.6.39.3/sound/soc/imx/mx27vis-aic32x4.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/imx/mx27vis-aic32x4.c 2011-05-22 19:36:35.000000000 -0400 -@@ -70,7 +70,7 @@ static int mx27vis_aic32x4_hw_params(str - return 0; - } - --static struct snd_soc_ops mx27vis_aic32x4_snd_ops = { -+static const struct snd_soc_ops mx27vis_aic32x4_snd_ops = { - .hw_params = mx27vis_aic32x4_hw_params, - }; - -diff -urNp linux-2.6.39.3/sound/soc/imx/phycore-ac97.c linux-2.6.39.3/sound/soc/imx/phycore-ac97.c ---- linux-2.6.39.3/sound/soc/imx/phycore-ac97.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/imx/phycore-ac97.c 2011-05-22 19:36:35.000000000 -0400 -@@ -21,7 +21,7 @@ - - static struct snd_soc_card imx_phycore; - --static struct snd_soc_ops imx_phycore_hifi_ops = { -+static const struct snd_soc_ops imx_phycore_hifi_ops = { - }; - - static struct snd_soc_dai_link imx_phycore_dai_ac97[] = { -diff -urNp linux-2.6.39.3/sound/soc/imx/wm1133-ev1.c linux-2.6.39.3/sound/soc/imx/wm1133-ev1.c ---- linux-2.6.39.3/sound/soc/imx/wm1133-ev1.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/imx/wm1133-ev1.c 2011-05-22 19:36:35.000000000 -0400 -@@ -149,7 +149,7 @@ static int wm1133_ev1_hw_params(struct s - return 0; - } - --static struct snd_soc_ops wm1133_ev1_ops = { -+static const struct snd_soc_ops wm1133_ev1_ops = { - .hw_params = wm1133_ev1_hw_params, - }; - -diff -urNp linux-2.6.39.3/sound/soc/jz4740/jz4740-pcm.c linux-2.6.39.3/sound/soc/jz4740/jz4740-pcm.c ---- linux-2.6.39.3/sound/soc/jz4740/jz4740-pcm.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/jz4740/jz4740-pcm.c 2011-05-22 19:36:35.000000000 -0400 -@@ -244,7 +244,7 @@ static int jz4740_pcm_mmap(struct snd_pc - vma->vm_end - vma->vm_start, vma->vm_page_prot); - } - --static struct snd_pcm_ops jz4740_pcm_ops = { -+static const struct snd_pcm_ops jz4740_pcm_ops = { - .open = jz4740_pcm_open, - .close = jz4740_pcm_close, - .ioctl = snd_pcm_lib_ioctl, -diff -urNp linux-2.6.39.3/sound/soc/kirkwood/kirkwood-openrd.c linux-2.6.39.3/sound/soc/kirkwood/kirkwood-openrd.c ---- linux-2.6.39.3/sound/soc/kirkwood/kirkwood-openrd.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/kirkwood/kirkwood-openrd.c 2011-05-22 19:36:35.000000000 -0400 -@@ -56,7 +56,7 @@ static int openrd_client_hw_params(struc - - } - --static struct snd_soc_ops openrd_client_ops = { -+static const struct snd_soc_ops openrd_client_ops = { - .hw_params = openrd_client_hw_params, - }; - -diff -urNp linux-2.6.39.3/sound/soc/kirkwood/kirkwood-t5325.c linux-2.6.39.3/sound/soc/kirkwood/kirkwood-t5325.c ---- linux-2.6.39.3/sound/soc/kirkwood/kirkwood-t5325.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/kirkwood/kirkwood-t5325.c 2011-05-22 19:36:35.000000000 -0400 -@@ -44,7 +44,7 @@ static int t5325_hw_params(struct snd_pc - - } - --static struct snd_soc_ops t5325_ops = { -+static const struct snd_soc_ops t5325_ops = { - .hw_params = t5325_hw_params, - }; - -diff -urNp linux-2.6.39.3/sound/soc/mid-x86/sst_platform.c linux-2.6.39.3/sound/soc/mid-x86/sst_platform.c ---- linux-2.6.39.3/sound/soc/mid-x86/sst_platform.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/mid-x86/sst_platform.c 2011-05-22 19:36:35.000000000 -0400 -@@ -381,7 +381,7 @@ static int sst_platform_pcm_hw_free(stru - return snd_pcm_lib_free_pages(substream); - } - --static struct snd_pcm_ops sst_platform_ops = { -+static const struct snd_pcm_ops sst_platform_ops = { - .open = sst_platform_open, - .close = sst_platform_close, - .ioctl = snd_pcm_lib_ioctl, -diff -urNp linux-2.6.39.3/sound/soc/nuc900/nuc900-pcm.c linux-2.6.39.3/sound/soc/nuc900/nuc900-pcm.c ---- linux-2.6.39.3/sound/soc/nuc900/nuc900-pcm.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/nuc900/nuc900-pcm.c 2011-05-22 19:36:35.000000000 -0400 -@@ -297,7 +297,7 @@ static int nuc900_dma_mmap(struct snd_pc - runtime->dma_bytes); - } - --static struct snd_pcm_ops nuc900_dma_ops = { -+static const struct snd_pcm_ops nuc900_dma_ops = { - .open = nuc900_dma_open, - .close = nuc900_dma_close, - .ioctl = snd_pcm_lib_ioctl, -diff -urNp linux-2.6.39.3/sound/soc/omap/am3517evm.c linux-2.6.39.3/sound/soc/omap/am3517evm.c ---- linux-2.6.39.3/sound/soc/omap/am3517evm.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/omap/am3517evm.c 2011-05-22 19:36:35.000000000 -0400 -@@ -88,7 +88,7 @@ static int am3517evm_hw_params(struct sn - return 0; - } - --static struct snd_soc_ops am3517evm_ops = { -+static const struct snd_soc_ops am3517evm_ops = { - .hw_params = am3517evm_hw_params, - }; - -diff -urNp linux-2.6.39.3/sound/soc/omap/ams-delta.c linux-2.6.39.3/sound/soc/omap/ams-delta.c ---- linux-2.6.39.3/sound/soc/omap/ams-delta.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/omap/ams-delta.c 2011-05-22 19:36:35.000000000 -0400 -@@ -420,7 +420,7 @@ static int ams_delta_hw_params(struct sn - SND_SOC_DAIFMT_CBM_CFM); - } - --static struct snd_soc_ops ams_delta_ops = { -+static const struct snd_soc_ops ams_delta_ops = { - .hw_params = ams_delta_hw_params, - }; - -diff -urNp linux-2.6.39.3/sound/soc/omap/igep0020.c linux-2.6.39.3/sound/soc/omap/igep0020.c ---- linux-2.6.39.3/sound/soc/omap/igep0020.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/omap/igep0020.c 2011-05-22 19:36:35.000000000 -0400 -@@ -72,7 +72,7 @@ static int igep2_hw_params(struct snd_pc - return 0; - } - --static struct snd_soc_ops igep2_ops = { -+static const struct snd_soc_ops igep2_ops = { - .hw_params = igep2_hw_params, - }; - -diff -urNp linux-2.6.39.3/sound/soc/omap/n810.c linux-2.6.39.3/sound/soc/omap/n810.c ---- linux-2.6.39.3/sound/soc/omap/n810.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/omap/n810.c 2011-05-22 19:36:35.000000000 -0400 -@@ -141,7 +141,7 @@ static int n810_hw_params(struct snd_pcm - return err; - } - --static struct snd_soc_ops n810_ops = { -+static const struct snd_soc_ops n810_ops = { - .startup = n810_startup, - .hw_params = n810_hw_params, - .shutdown = n810_shutdown, -diff -urNp linux-2.6.39.3/sound/soc/omap/omap2evm.c linux-2.6.39.3/sound/soc/omap/omap2evm.c ---- linux-2.6.39.3/sound/soc/omap/omap2evm.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/omap/omap2evm.c 2011-05-22 19:36:35.000000000 -0400 -@@ -74,7 +74,7 @@ static int omap2evm_hw_params(struct snd - return 0; - } - --static struct snd_soc_ops omap2evm_ops = { -+static const struct snd_soc_ops omap2evm_ops = { - .hw_params = omap2evm_hw_params, - }; - -diff -urNp linux-2.6.39.3/sound/soc/omap/omap3beagle.c linux-2.6.39.3/sound/soc/omap/omap3beagle.c ---- linux-2.6.39.3/sound/soc/omap/omap3beagle.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/omap/omap3beagle.c 2011-05-22 19:36:35.000000000 -0400 -@@ -82,7 +82,7 @@ static int omap3beagle_hw_params(struct - return 0; - } - --static struct snd_soc_ops omap3beagle_ops = { -+static const struct snd_soc_ops omap3beagle_ops = { - .hw_params = omap3beagle_hw_params, - }; - -diff -urNp linux-2.6.39.3/sound/soc/omap/omap3evm.c linux-2.6.39.3/sound/soc/omap/omap3evm.c ---- linux-2.6.39.3/sound/soc/omap/omap3evm.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/omap/omap3evm.c 2011-05-22 19:36:35.000000000 -0400 -@@ -70,7 +70,7 @@ static int omap3evm_hw_params(struct snd - return 0; - } - --static struct snd_soc_ops omap3evm_ops = { -+static const struct snd_soc_ops omap3evm_ops = { - .hw_params = omap3evm_hw_params, - }; - -diff -urNp linux-2.6.39.3/sound/soc/omap/omap3pandora.c linux-2.6.39.3/sound/soc/omap/omap3pandora.c ---- linux-2.6.39.3/sound/soc/omap/omap3pandora.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/omap/omap3pandora.c 2011-05-22 19:36:35.000000000 -0400 -@@ -218,7 +218,7 @@ static int omap3pandora_in_init(struct s - return snd_soc_dapm_sync(dapm); - } - --static struct snd_soc_ops omap3pandora_ops = { -+static const struct snd_soc_ops omap3pandora_ops = { - .hw_params = omap3pandora_hw_params, - }; - -diff -urNp linux-2.6.39.3/sound/soc/omap/omap-pcm.c linux-2.6.39.3/sound/soc/omap/omap-pcm.c ---- linux-2.6.39.3/sound/soc/omap/omap-pcm.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/omap/omap-pcm.c 2011-05-22 19:36:35.000000000 -0400 -@@ -311,7 +311,7 @@ static int omap_pcm_mmap(struct snd_pcm_ - runtime->dma_bytes); - } - --static struct snd_pcm_ops omap_pcm_ops = { -+static const struct snd_pcm_ops omap_pcm_ops = { - .open = omap_pcm_open, - .close = omap_pcm_close, - .ioctl = snd_pcm_lib_ioctl, -diff -urNp linux-2.6.39.3/sound/soc/omap/osk5912.c linux-2.6.39.3/sound/soc/omap/osk5912.c ---- linux-2.6.39.3/sound/soc/omap/osk5912.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/omap/osk5912.c 2011-05-22 19:36:35.000000000 -0400 -@@ -90,7 +90,7 @@ static int osk_hw_params(struct snd_pcm_ - return err; - } - --static struct snd_soc_ops osk_ops = { -+static const struct snd_soc_ops osk_ops = { - .startup = osk_startup, - .hw_params = osk_hw_params, - .shutdown = osk_shutdown, -diff -urNp linux-2.6.39.3/sound/soc/omap/overo.c linux-2.6.39.3/sound/soc/omap/overo.c ---- linux-2.6.39.3/sound/soc/omap/overo.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/omap/overo.c 2011-05-22 19:36:35.000000000 -0400 -@@ -72,7 +72,7 @@ static int overo_hw_params(struct snd_pc - return 0; - } - --static struct snd_soc_ops overo_ops = { -+static const struct snd_soc_ops overo_ops = { - .hw_params = overo_hw_params, - }; - -diff -urNp linux-2.6.39.3/sound/soc/omap/rx51.c linux-2.6.39.3/sound/soc/omap/rx51.c ---- linux-2.6.39.3/sound/soc/omap/rx51.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/omap/rx51.c 2011-05-22 19:36:35.000000000 -0400 -@@ -139,7 +139,7 @@ static int rx51_hw_params(struct snd_pcm - SND_SOC_CLOCK_IN); - } - --static struct snd_soc_ops rx51_ops = { -+static const struct snd_soc_ops rx51_ops = { - .startup = rx51_startup, - .hw_params = rx51_hw_params, - }; -diff -urNp linux-2.6.39.3/sound/soc/omap/sdp3430.c linux-2.6.39.3/sound/soc/omap/sdp3430.c ---- linux-2.6.39.3/sound/soc/omap/sdp3430.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/omap/sdp3430.c 2011-05-22 19:36:35.000000000 -0400 -@@ -87,7 +87,7 @@ static int sdp3430_hw_params(struct snd_ - return 0; - } - --static struct snd_soc_ops sdp3430_ops = { -+static const struct snd_soc_ops sdp3430_ops = { - .hw_params = sdp3430_hw_params, - }; - -@@ -130,7 +130,7 @@ static int sdp3430_hw_voice_params(struc - return 0; - } - --static struct snd_soc_ops sdp3430_voice_ops = { -+static const struct snd_soc_ops sdp3430_voice_ops = { - .hw_params = sdp3430_hw_voice_params, - }; - -diff -urNp linux-2.6.39.3/sound/soc/omap/sdp4430.c linux-2.6.39.3/sound/soc/omap/sdp4430.c ---- linux-2.6.39.3/sound/soc/omap/sdp4430.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/omap/sdp4430.c 2011-05-22 19:36:35.000000000 -0400 -@@ -62,7 +62,7 @@ static int sdp4430_hw_params(struct snd_ - return ret; - } - --static struct snd_soc_ops sdp4430_ops = { -+static const struct snd_soc_ops sdp4430_ops = { - .hw_params = sdp4430_hw_params, - }; - -diff -urNp linux-2.6.39.3/sound/soc/omap/zoom2.c linux-2.6.39.3/sound/soc/omap/zoom2.c ---- linux-2.6.39.3/sound/soc/omap/zoom2.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/omap/zoom2.c 2011-05-22 19:36:35.000000000 -0400 -@@ -78,7 +78,7 @@ static int zoom2_hw_params(struct snd_pc - return 0; - } - --static struct snd_soc_ops zoom2_ops = { -+static const struct snd_soc_ops zoom2_ops = { - .hw_params = zoom2_hw_params, - }; - -@@ -121,7 +121,7 @@ static int zoom2_hw_voice_params(struct - return 0; - } - --static struct snd_soc_ops zoom2_voice_ops = { -+static const struct snd_soc_ops zoom2_voice_ops = { - .hw_params = zoom2_hw_voice_params, - }; - -diff -urNp linux-2.6.39.3/sound/soc/pxa/corgi.c linux-2.6.39.3/sound/soc/pxa/corgi.c ---- linux-2.6.39.3/sound/soc/pxa/corgi.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/pxa/corgi.c 2011-05-22 19:36:35.000000000 -0400 -@@ -169,7 +169,7 @@ static int corgi_hw_params(struct snd_pc - return 0; - } - --static struct snd_soc_ops corgi_ops = { -+static const struct snd_soc_ops corgi_ops = { - .startup = corgi_startup, - .hw_params = corgi_hw_params, - .shutdown = corgi_shutdown, -diff -urNp linux-2.6.39.3/sound/soc/pxa/imote2.c linux-2.6.39.3/sound/soc/pxa/imote2.c ---- linux-2.6.39.3/sound/soc/pxa/imote2.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/pxa/imote2.c 2011-05-22 19:36:35.000000000 -0400 -@@ -56,7 +56,7 @@ static int imote2_asoc_hw_params(struct - return ret; - } - --static struct snd_soc_ops imote2_asoc_ops = { -+static const struct snd_soc_ops imote2_asoc_ops = { - .hw_params = imote2_asoc_hw_params, - }; - -diff -urNp linux-2.6.39.3/sound/soc/pxa/magician.c linux-2.6.39.3/sound/soc/pxa/magician.c ---- linux-2.6.39.3/sound/soc/pxa/magician.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/pxa/magician.c 2011-05-22 19:36:35.000000000 -0400 -@@ -258,12 +258,12 @@ static int magician_capture_hw_params(st - return 0; - } - --static struct snd_soc_ops magician_capture_ops = { -+static const struct snd_soc_ops magician_capture_ops = { - .startup = magician_startup, - .hw_params = magician_capture_hw_params, - }; - --static struct snd_soc_ops magician_playback_ops = { -+static const struct snd_soc_ops magician_playback_ops = { - .startup = magician_startup, - .hw_params = magician_playback_hw_params, - }; -diff -urNp linux-2.6.39.3/sound/soc/pxa/mioa701_wm9713.c linux-2.6.39.3/sound/soc/pxa/mioa701_wm9713.c ---- linux-2.6.39.3/sound/soc/pxa/mioa701_wm9713.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/pxa/mioa701_wm9713.c 2011-05-22 19:36:35.000000000 -0400 -@@ -156,7 +156,7 @@ static int mioa701_wm9713_init(struct sn - return 0; - } - --static struct snd_soc_ops mioa701_ops; -+static const struct snd_soc_ops mioa701_ops; - - static struct snd_soc_dai_link mioa701_dai[] = { - { -diff -urNp linux-2.6.39.3/sound/soc/pxa/poodle.c linux-2.6.39.3/sound/soc/pxa/poodle.c ---- linux-2.6.39.3/sound/soc/pxa/poodle.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/pxa/poodle.c 2011-05-22 19:36:35.000000000 -0400 -@@ -148,7 +148,7 @@ static int poodle_hw_params(struct snd_p - return 0; - } - --static struct snd_soc_ops poodle_ops = { -+static const struct snd_soc_ops poodle_ops = { - .startup = poodle_startup, - .hw_params = poodle_hw_params, - .shutdown = poodle_shutdown, -diff -urNp linux-2.6.39.3/sound/soc/pxa/pxa2xx-ac97.c linux-2.6.39.3/sound/soc/pxa/pxa2xx-ac97.c ---- linux-2.6.39.3/sound/soc/pxa/pxa2xx-ac97.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/pxa/pxa2xx-ac97.c 2011-05-22 19:36:35.000000000 -0400 -@@ -40,7 +40,7 @@ static void pxa2xx_ac97_cold_reset(struc - pxa2xx_ac97_finish_reset(ac97); - } - --struct snd_ac97_bus_ops soc_ac97_ops = { -+const struct snd_ac97_bus_ops soc_ac97_ops = { - .read = pxa2xx_ac97_read, - .write = pxa2xx_ac97_write, - .warm_reset = pxa2xx_ac97_warm_reset, -diff -urNp linux-2.6.39.3/sound/soc/pxa/pxa2xx-ac97.h linux-2.6.39.3/sound/soc/pxa/pxa2xx-ac97.h ---- linux-2.6.39.3/sound/soc/pxa/pxa2xx-ac97.h 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/pxa/pxa2xx-ac97.h 2011-05-22 19:36:35.000000000 -0400 -@@ -15,6 +15,6 @@ - #define PXA2XX_DAI_AC97_MIC 2 - - /* platform data */ --extern struct snd_ac97_bus_ops pxa2xx_ac97_ops; -+extern const struct snd_ac97_bus_ops pxa2xx_ac97_ops; - - #endif -diff -urNp linux-2.6.39.3/sound/soc/pxa/raumfeld.c linux-2.6.39.3/sound/soc/pxa/raumfeld.c ---- linux-2.6.39.3/sound/soc/pxa/raumfeld.c 2011-06-03 00:04:14.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/pxa/raumfeld.c 2011-06-03 00:32:09.000000000 -0400 -@@ -145,7 +145,7 @@ static int raumfeld_cs4270_hw_params(str - return 0; - } - --static struct snd_soc_ops raumfeld_cs4270_ops = { -+static const struct snd_soc_ops raumfeld_cs4270_ops = { - .startup = raumfeld_cs4270_startup, - .shutdown = raumfeld_cs4270_shutdown, - .hw_params = raumfeld_cs4270_hw_params, -@@ -221,7 +221,7 @@ static int raumfeld_ak4104_hw_params(str - return 0; - } - --static struct snd_soc_ops raumfeld_ak4104_ops = { -+static const struct snd_soc_ops raumfeld_ak4104_ops = { - .hw_params = raumfeld_ak4104_hw_params, - }; - -diff -urNp linux-2.6.39.3/sound/soc/pxa/saarb.c linux-2.6.39.3/sound/soc/pxa/saarb.c ---- linux-2.6.39.3/sound/soc/pxa/saarb.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/pxa/saarb.c 2011-05-22 19:36:35.000000000 -0400 -@@ -106,7 +106,7 @@ static int saarb_i2s_hw_params(struct sn - return ret; - } - --static struct snd_soc_ops saarb_i2s_ops = { -+static const struct snd_soc_ops saarb_i2s_ops = { - .hw_params = saarb_i2s_hw_params, - }; - -diff -urNp linux-2.6.39.3/sound/soc/pxa/spitz.c linux-2.6.39.3/sound/soc/pxa/spitz.c ---- linux-2.6.39.3/sound/soc/pxa/spitz.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/pxa/spitz.c 2011-05-22 19:36:35.000000000 -0400 -@@ -169,7 +169,7 @@ static int spitz_hw_params(struct snd_pc - return 0; - } - --static struct snd_soc_ops spitz_ops = { -+static const struct snd_soc_ops spitz_ops = { - .startup = spitz_startup, - .hw_params = spitz_hw_params, - }; -diff -urNp linux-2.6.39.3/sound/soc/pxa/tavorevb3.c linux-2.6.39.3/sound/soc/pxa/tavorevb3.c ---- linux-2.6.39.3/sound/soc/pxa/tavorevb3.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/pxa/tavorevb3.c 2011-05-22 19:36:35.000000000 -0400 -@@ -106,7 +106,7 @@ static int evb3_i2s_hw_params(struct snd - return ret; - } - --static struct snd_soc_ops evb3_i2s_ops = { -+static const struct snd_soc_ops evb3_i2s_ops = { - .hw_params = evb3_i2s_hw_params, - }; - -diff -urNp linux-2.6.39.3/sound/soc/pxa/tosa.c linux-2.6.39.3/sound/soc/pxa/tosa.c ---- linux-2.6.39.3/sound/soc/pxa/tosa.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/pxa/tosa.c 2011-05-22 19:36:35.000000000 -0400 -@@ -92,7 +92,7 @@ static int tosa_startup(struct snd_pcm_s - return 0; - } - --static struct snd_soc_ops tosa_ops = { -+static const struct snd_soc_ops tosa_ops = { - .startup = tosa_startup, - }; - -diff -urNp linux-2.6.39.3/sound/soc/pxa/z2.c linux-2.6.39.3/sound/soc/pxa/z2.c ---- linux-2.6.39.3/sound/soc/pxa/z2.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/pxa/z2.c 2011-05-22 19:36:35.000000000 -0400 -@@ -187,7 +187,7 @@ err: - return ret; - } - --static struct snd_soc_ops z2_ops = { -+static const struct snd_soc_ops z2_ops = { - .hw_params = z2_hw_params, - }; - -diff -urNp linux-2.6.39.3/sound/soc/pxa/zylonite.c linux-2.6.39.3/sound/soc/pxa/zylonite.c ---- linux-2.6.39.3/sound/soc/pxa/zylonite.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/pxa/zylonite.c 2011-05-22 19:36:35.000000000 -0400 -@@ -156,7 +156,7 @@ static int zylonite_voice_hw_params(stru - return 0; - } - --static struct snd_soc_ops zylonite_voice_ops = { -+static const struct snd_soc_ops zylonite_voice_ops = { - .hw_params = zylonite_voice_hw_params, - }; - -diff -urNp linux-2.6.39.3/sound/soc/s6000/s6000-pcm.c linux-2.6.39.3/sound/soc/s6000/s6000-pcm.c ---- linux-2.6.39.3/sound/soc/s6000/s6000-pcm.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/s6000/s6000-pcm.c 2011-05-22 19:36:35.000000000 -0400 -@@ -420,7 +420,7 @@ static int s6000_pcm_hw_free(struct snd_ - return snd_pcm_lib_free_pages(substream); - } - --static struct snd_pcm_ops s6000_pcm_ops = { -+static const struct snd_pcm_ops s6000_pcm_ops = { - .open = s6000_pcm_open, - .close = s6000_pcm_close, - .ioctl = snd_pcm_lib_ioctl, -diff -urNp linux-2.6.39.3/sound/soc/s6000/s6105-ipcam.c linux-2.6.39.3/sound/soc/s6000/s6105-ipcam.c ---- linux-2.6.39.3/sound/soc/s6000/s6105-ipcam.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/s6000/s6105-ipcam.c 2011-05-22 19:36:35.000000000 -0400 -@@ -55,7 +55,7 @@ static int s6105_hw_params(struct snd_pc - return 0; - } - --static struct snd_soc_ops s6105_ops = { -+static const struct snd_soc_ops s6105_ops = { - .hw_params = s6105_hw_params, - }; - -diff -urNp linux-2.6.39.3/sound/soc/samsung/goni_wm8994.c linux-2.6.39.3/sound/soc/samsung/goni_wm8994.c ---- linux-2.6.39.3/sound/soc/samsung/goni_wm8994.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/samsung/goni_wm8994.c 2011-05-22 19:36:35.000000000 -0400 -@@ -176,7 +176,7 @@ static int goni_hifi_hw_params(struct sn - return 0; - } - --static struct snd_soc_ops goni_hifi_ops = { -+static const struct snd_soc_ops goni_hifi_ops = { - .hw_params = goni_hifi_hw_params, - }; - -@@ -227,7 +227,7 @@ static struct snd_soc_dai_driver voice_d - .formats = SNDRV_PCM_FMTBIT_S16_LE,}, - }; - --static struct snd_soc_ops goni_voice_ops = { -+static const struct snd_soc_ops goni_voice_ops = { - .hw_params = goni_voice_hw_params, - }; - -diff -urNp linux-2.6.39.3/sound/soc/samsung/h1940_uda1380.c linux-2.6.39.3/sound/soc/samsung/h1940_uda1380.c ---- linux-2.6.39.3/sound/soc/samsung/h1940_uda1380.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/samsung/h1940_uda1380.c 2011-05-22 19:36:35.000000000 -0400 -@@ -136,7 +136,7 @@ static int h1940_hw_params(struct snd_pc - return 0; - } - --static struct snd_soc_ops h1940_ops = { -+static const struct snd_soc_ops h1940_ops = { - .startup = h1940_startup, - .hw_params = h1940_hw_params, - }; -diff -urNp linux-2.6.39.3/sound/soc/samsung/jive_wm8750.c linux-2.6.39.3/sound/soc/samsung/jive_wm8750.c ---- linux-2.6.39.3/sound/soc/samsung/jive_wm8750.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/samsung/jive_wm8750.c 2011-05-22 19:36:35.000000000 -0400 -@@ -92,7 +92,7 @@ static int jive_hw_params(struct snd_pcm - return 0; - } - --static struct snd_soc_ops jive_ops = { -+static const struct snd_soc_ops jive_ops = { - .hw_params = jive_hw_params, - }; - -diff -urNp linux-2.6.39.3/sound/soc/samsung/neo1973_wm8753.c linux-2.6.39.3/sound/soc/samsung/neo1973_wm8753.c ---- linux-2.6.39.3/sound/soc/samsung/neo1973_wm8753.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/samsung/neo1973_wm8753.c 2011-05-22 19:36:35.000000000 -0400 -@@ -128,7 +128,7 @@ static int neo1973_hifi_hw_free(struct s - /* - * Neo1973 WM8753 HiFi DAI opserations. - */ --static struct snd_soc_ops neo1973_hifi_ops = { -+static const struct snd_soc_ops neo1973_hifi_ops = { - .hw_params = neo1973_hifi_hw_params, - .hw_free = neo1973_hifi_hw_free, - }; -@@ -187,7 +187,7 @@ static int neo1973_voice_hw_free(struct - return snd_soc_dai_set_pll(codec_dai, WM8753_PLL2, 0, 0, 0); - } - --static struct snd_soc_ops neo1973_voice_ops = { -+static const struct snd_soc_ops neo1973_voice_ops = { - .hw_params = neo1973_voice_hw_params, - .hw_free = neo1973_voice_hw_free, - }; -diff -urNp linux-2.6.39.3/sound/soc/samsung/rx1950_uda1380.c linux-2.6.39.3/sound/soc/samsung/rx1950_uda1380.c ---- linux-2.6.39.3/sound/soc/samsung/rx1950_uda1380.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/samsung/rx1950_uda1380.c 2011-05-22 19:36:35.000000000 -0400 -@@ -70,7 +70,7 @@ static struct snd_soc_jack_gpio hp_jack_ - }, - }; - --static struct snd_soc_ops rx1950_ops = { -+static const struct snd_soc_ops rx1950_ops = { - .startup = rx1950_startup, - .hw_params = rx1950_hw_params, - }; -diff -urNp linux-2.6.39.3/sound/soc/samsung/s3c24xx_simtec.c linux-2.6.39.3/sound/soc/samsung/s3c24xx_simtec.c ---- linux-2.6.39.3/sound/soc/samsung/s3c24xx_simtec.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/samsung/s3c24xx_simtec.c 2011-05-22 19:36:35.000000000 -0400 -@@ -228,7 +228,7 @@ static int simtec_call_startup(struct s3 - return 0; - } - --static struct snd_soc_ops simtec_snd_ops = { -+static const struct snd_soc_ops simtec_snd_ops = { - .hw_params = simtec_hw_params, - }; - -diff -urNp linux-2.6.39.3/sound/soc/samsung/s3c24xx_uda134x.c linux-2.6.39.3/sound/soc/samsung/s3c24xx_uda134x.c ---- linux-2.6.39.3/sound/soc/samsung/s3c24xx_uda134x.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/samsung/s3c24xx_uda134x.c 2011-05-22 19:36:35.000000000 -0400 -@@ -210,7 +210,7 @@ static int s3c24xx_uda134x_hw_params(str - return 0; - } - --static struct snd_soc_ops s3c24xx_uda134x_ops = { -+static const struct snd_soc_ops s3c24xx_uda134x_ops = { - .startup = s3c24xx_uda134x_startup, - .shutdown = s3c24xx_uda134x_shutdown, - .hw_params = s3c24xx_uda134x_hw_params, -diff -urNp linux-2.6.39.3/sound/soc/samsung/smartq_wm8987.c linux-2.6.39.3/sound/soc/samsung/smartq_wm8987.c ---- linux-2.6.39.3/sound/soc/samsung/smartq_wm8987.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/samsung/smartq_wm8987.c 2011-05-22 19:36:35.000000000 -0400 -@@ -92,7 +92,7 @@ static int smartq_hifi_hw_params(struct - /* - * SmartQ WM8987 HiFi DAI operations. - */ --static struct snd_soc_ops smartq_hifi_ops = { -+static const struct snd_soc_ops smartq_hifi_ops = { - .hw_params = smartq_hifi_hw_params, - }; - -diff -urNp linux-2.6.39.3/sound/soc/samsung/smdk_spdif.c linux-2.6.39.3/sound/soc/samsung/smdk_spdif.c ---- linux-2.6.39.3/sound/soc/samsung/smdk_spdif.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/samsung/smdk_spdif.c 2011-05-22 19:36:35.000000000 -0400 -@@ -143,7 +143,7 @@ static int smdk_hw_params(struct snd_pcm - return ret; - } - --static struct snd_soc_ops smdk_spdif_ops = { -+static const struct snd_soc_ops smdk_spdif_ops = { - .hw_params = smdk_hw_params, - }; - -diff -urNp linux-2.6.39.3/sound/soc/samsung/smdk_wm8580.c linux-2.6.39.3/sound/soc/samsung/smdk_wm8580.c ---- linux-2.6.39.3/sound/soc/samsung/smdk_wm8580.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/samsung/smdk_wm8580.c 2011-05-22 19:36:35.000000000 -0400 -@@ -114,7 +114,7 @@ static int smdk_hw_params(struct snd_pcm - /* - * SMDK WM8580 DAI operations. - */ --static struct snd_soc_ops smdk_ops = { -+static const struct snd_soc_ops smdk_ops = { - .hw_params = smdk_hw_params, - }; - -diff -urNp linux-2.6.39.3/sound/soc/sh/dma-sh7760.c linux-2.6.39.3/sound/soc/sh/dma-sh7760.c ---- linux-2.6.39.3/sound/soc/sh/dma-sh7760.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/sh/dma-sh7760.c 2011-05-22 19:36:35.000000000 -0400 -@@ -311,7 +311,7 @@ static snd_pcm_uframes_t camelot_pos(str - return bytes_to_frames(runtime, pos); - } - --static struct snd_pcm_ops camelot_pcm_ops = { -+static const struct snd_pcm_ops camelot_pcm_ops = { - .open = camelot_pcm_open, - .close = camelot_pcm_close, - .ioctl = snd_pcm_lib_ioctl, -diff -urNp linux-2.6.39.3/sound/soc/sh/hac.c linux-2.6.39.3/sound/soc/sh/hac.c ---- linux-2.6.39.3/sound/soc/sh/hac.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/sh/hac.c 2011-05-22 19:36:35.000000000 -0400 -@@ -227,7 +227,7 @@ static void hac_ac97_coldrst(struct snd_ - hac_ac97_warmrst(ac97); - } - --struct snd_ac97_bus_ops soc_ac97_ops = { -+const struct snd_ac97_bus_ops soc_ac97_ops = { - .read = hac_ac97_read, - .write = hac_ac97_write, - .reset = hac_ac97_coldrst, -diff -urNp linux-2.6.39.3/sound/soc/sh/migor.c linux-2.6.39.3/sound/soc/sh/migor.c ---- linux-2.6.39.3/sound/soc/sh/migor.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/sh/migor.c 2011-05-22 19:36:35.000000000 -0400 -@@ -108,7 +108,7 @@ static int migor_hw_free(struct snd_pcm_ - return 0; - } - --static struct snd_soc_ops migor_dai_ops = { -+static const struct snd_soc_ops migor_dai_ops = { - .hw_params = migor_hw_params, - .hw_free = migor_hw_free, - }; -diff -urNp linux-2.6.39.3/sound/soc/sh/siu_pcm.c linux-2.6.39.3/sound/soc/sh/siu_pcm.c ---- linux-2.6.39.3/sound/soc/sh/siu_pcm.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/sh/siu_pcm.c 2011-05-22 19:36:35.000000000 -0400 -@@ -597,7 +597,7 @@ static void siu_pcm_free(struct snd_pcm - dev_dbg(pcm->card->dev, "%s\n", __func__); - } - --static struct snd_pcm_ops siu_pcm_ops = { -+static const struct snd_pcm_ops siu_pcm_ops = { - .open = siu_pcm_open, - .close = siu_pcm_close, - .ioctl = snd_pcm_lib_ioctl, -diff -urNp linux-2.6.39.3/sound/soc/tegra/harmony.c linux-2.6.39.3/sound/soc/tegra/harmony.c ---- linux-2.6.39.3/sound/soc/tegra/harmony.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/tegra/harmony.c 2011-05-22 19:36:35.000000000 -0400 -@@ -126,7 +126,7 @@ static int harmony_asoc_hw_params(struct - return 0; - } - --static struct snd_soc_ops harmony_asoc_ops = { -+static const struct snd_soc_ops harmony_asoc_ops = { - .hw_params = harmony_asoc_hw_params, - }; - -diff -urNp linux-2.6.39.3/sound/soc/tegra/tegra_pcm.c linux-2.6.39.3/sound/soc/tegra/tegra_pcm.c ---- linux-2.6.39.3/sound/soc/tegra/tegra_pcm.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/tegra/tegra_pcm.c 2011-05-22 19:36:36.000000000 -0400 -@@ -277,7 +277,7 @@ static int tegra_pcm_mmap(struct snd_pcm - runtime->dma_bytes); - } - --static struct snd_pcm_ops tegra_pcm_ops = { -+static const struct snd_pcm_ops tegra_pcm_ops = { - .open = tegra_pcm_open, - .close = tegra_pcm_close, - .ioctl = snd_pcm_lib_ioctl, -diff -urNp linux-2.6.39.3/sound/soc/txx9/txx9aclc.c linux-2.6.39.3/sound/soc/txx9/txx9aclc.c ---- linux-2.6.39.3/sound/soc/txx9/txx9aclc.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/soc/txx9/txx9aclc.c 2011-05-22 19:36:36.000000000 -0400 -@@ -272,7 +272,7 @@ static int txx9aclc_pcm_close(struct snd - return 0; - } - --static struct snd_pcm_ops txx9aclc_pcm_ops = { -+static const struct snd_pcm_ops txx9aclc_pcm_ops = { - .open = txx9aclc_pcm_open, - .close = txx9aclc_pcm_close, - .ioctl = snd_pcm_lib_ioctl, -diff -urNp linux-2.6.39.3/sound/sparc/amd7930.c linux-2.6.39.3/sound/sparc/amd7930.c ---- linux-2.6.39.3/sound/sparc/amd7930.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/sparc/amd7930.c 2011-05-22 19:36:36.000000000 -0400 -@@ -733,7 +733,7 @@ static int snd_amd7930_hw_free(struct sn - return snd_pcm_lib_free_pages(substream); - } - --static struct snd_pcm_ops snd_amd7930_playback_ops = { -+static const struct snd_pcm_ops snd_amd7930_playback_ops = { - .open = snd_amd7930_playback_open, - .close = snd_amd7930_playback_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -744,7 +744,7 @@ static struct snd_pcm_ops snd_amd7930_pl - .pointer = snd_amd7930_playback_pointer, - }; - --static struct snd_pcm_ops snd_amd7930_capture_ops = { -+static const struct snd_pcm_ops snd_amd7930_capture_ops = { - .open = snd_amd7930_capture_open, - .close = snd_amd7930_capture_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -929,7 +929,7 @@ static int snd_amd7930_dev_free(struct s - return snd_amd7930_free(amd); - } - --static struct snd_device_ops snd_amd7930_dev_ops = { -+static const struct snd_device_ops snd_amd7930_dev_ops = { - .dev_free = snd_amd7930_dev_free, - }; - -diff -urNp linux-2.6.39.3/sound/sparc/cs4231.c linux-2.6.39.3/sound/sparc/cs4231.c ---- linux-2.6.39.3/sound/sparc/cs4231.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/sparc/cs4231.c 2011-05-22 19:36:36.000000000 -0400 -@@ -1196,7 +1196,7 @@ static int snd_cs4231_capture_close(stru - * XXX the audio AUXIO register... - */ - --static struct snd_pcm_ops snd_cs4231_playback_ops = { -+static const struct snd_pcm_ops snd_cs4231_playback_ops = { - .open = snd_cs4231_playback_open, - .close = snd_cs4231_playback_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -1207,7 +1207,7 @@ static struct snd_pcm_ops snd_cs4231_pla - .pointer = snd_cs4231_playback_pointer, - }; - --static struct snd_pcm_ops snd_cs4231_capture_ops = { -+static const struct snd_pcm_ops snd_cs4231_capture_ops = { - .open = snd_cs4231_capture_open, - .close = snd_cs4231_capture_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -1789,7 +1789,7 @@ static int snd_cs4231_sbus_dev_free(stru - return snd_cs4231_sbus_free(cp); - } - --static struct snd_device_ops snd_cs4231_sbus_dev_ops = { -+static const struct snd_device_ops snd_cs4231_sbus_dev_ops = { - .dev_free = snd_cs4231_sbus_dev_free, - }; - -@@ -1955,7 +1955,7 @@ static int snd_cs4231_ebus_dev_free(stru - return snd_cs4231_ebus_free(cp); - } - --static struct snd_device_ops snd_cs4231_ebus_dev_ops = { -+static const struct snd_device_ops snd_cs4231_ebus_dev_ops = { - .dev_free = snd_cs4231_ebus_dev_free, - }; - -diff -urNp linux-2.6.39.3/sound/sparc/dbri.c linux-2.6.39.3/sound/sparc/dbri.c ---- linux-2.6.39.3/sound/sparc/dbri.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/sparc/dbri.c 2011-05-22 19:36:36.000000000 -0400 -@@ -2205,7 +2205,7 @@ static snd_pcm_uframes_t snd_dbri_pointe - return ret; - } - --static struct snd_pcm_ops snd_dbri_ops = { -+static const struct snd_pcm_ops snd_dbri_ops = { - .open = snd_dbri_open, - .close = snd_dbri_close, - .ioctl = snd_pcm_lib_ioctl, -diff -urNp linux-2.6.39.3/sound/spi/at73c213.c linux-2.6.39.3/sound/spi/at73c213.c ---- linux-2.6.39.3/sound/spi/at73c213.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/spi/at73c213.c 2011-05-22 19:36:36.000000000 -0400 -@@ -319,7 +319,7 @@ snd_at73c213_pcm_pointer(struct snd_pcm_ - return pos; - } - --static struct snd_pcm_ops at73c213_playback_ops = { -+static const struct snd_pcm_ops at73c213_playback_ops = { - .open = snd_at73c213_pcm_open, - .close = snd_at73c213_pcm_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -882,7 +882,7 @@ static int snd_at73c213_dev_free(struct - static int __devinit snd_at73c213_dev_init(struct snd_card *card, - struct spi_device *spi) - { -- static struct snd_device_ops ops = { -+ static const struct snd_device_ops ops = { - .dev_free = snd_at73c213_dev_free, - }; - struct snd_at73c213 *chip = get_chip(card); -diff -urNp linux-2.6.39.3/sound/usb/6fire/midi.c linux-2.6.39.3/sound/usb/6fire/midi.c ---- linux-2.6.39.3/sound/usb/6fire/midi.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/usb/6fire/midi.c 2011-05-22 19:36:36.000000000 -0400 -@@ -134,14 +134,14 @@ static void usb6fire_midi_in_trigger( - spin_unlock_irqrestore(&rt->in_lock, flags); - } - --static struct snd_rawmidi_ops out_ops = { -+static const struct snd_rawmidi_ops out_ops = { - .open = usb6fire_midi_out_open, - .close = usb6fire_midi_out_close, - .trigger = usb6fire_midi_out_trigger, - .drain = usb6fire_midi_out_drain - }; - --static struct snd_rawmidi_ops in_ops = { -+static const struct snd_rawmidi_ops in_ops = { - .open = usb6fire_midi_in_open, - .close = usb6fire_midi_in_close, - .trigger = usb6fire_midi_in_trigger -diff -urNp linux-2.6.39.3/sound/usb/caiaq/audio.c linux-2.6.39.3/sound/usb/caiaq/audio.c ---- linux-2.6.39.3/sound/usb/caiaq/audio.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/usb/caiaq/audio.c 2011-05-22 19:36:36.000000000 -0400 -@@ -322,7 +322,7 @@ snd_usb_caiaq_pcm_pointer(struct snd_pcm - } - - /* operators for both playback and capture */ --static struct snd_pcm_ops snd_usb_caiaq_ops = { -+static const struct snd_pcm_ops snd_usb_caiaq_ops = { - .open = snd_usb_caiaq_substream_open, - .close = snd_usb_caiaq_substream_close, - .ioctl = snd_pcm_lib_ioctl, -diff -urNp linux-2.6.39.3/sound/usb/caiaq/midi.c linux-2.6.39.3/sound/usb/caiaq/midi.c ---- linux-2.6.39.3/sound/usb/caiaq/midi.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/usb/caiaq/midi.c 2011-05-22 19:36:36.000000000 -0400 -@@ -100,15 +100,13 @@ static void snd_usb_caiaq_midi_output_tr - } - - --static struct snd_rawmidi_ops snd_usb_caiaq_midi_output = --{ -+static const struct snd_rawmidi_ops snd_usb_caiaq_midi_output = { - .open = snd_usb_caiaq_midi_output_open, - .close = snd_usb_caiaq_midi_output_close, - .trigger = snd_usb_caiaq_midi_output_trigger, - }; - --static struct snd_rawmidi_ops snd_usb_caiaq_midi_input = --{ -+static const struct snd_rawmidi_ops snd_usb_caiaq_midi_input = { - .open = snd_usb_caiaq_midi_input_open, - .close = snd_usb_caiaq_midi_input_close, - .trigger = snd_usb_caiaq_midi_input_trigger, -diff -urNp linux-2.6.39.3/sound/usb/card.c linux-2.6.39.3/sound/usb/card.c ---- linux-2.6.39.3/sound/usb/card.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/usb/card.c 2011-05-22 19:36:36.000000000 -0400 -@@ -305,7 +305,7 @@ static int snd_usb_audio_create(struct u - struct snd_usb_audio *chip; - int err, len; - char component[14]; -- static struct snd_device_ops ops = { -+ static const struct snd_device_ops ops = { - .dev_free = snd_usb_audio_dev_free, - }; - -diff -urNp linux-2.6.39.3/sound/usb/midi.c linux-2.6.39.3/sound/usb/midi.c ---- linux-2.6.39.3/sound/usb/midi.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/usb/midi.c 2011-05-22 19:36:36.000000000 -0400 -@@ -1146,14 +1146,14 @@ static void snd_usbmidi_input_trigger(st - clear_bit(substream->number, &umidi->input_triggered); - } - --static struct snd_rawmidi_ops snd_usbmidi_output_ops = { -+static const struct snd_rawmidi_ops snd_usbmidi_output_ops = { - .open = snd_usbmidi_output_open, - .close = snd_usbmidi_output_close, - .trigger = snd_usbmidi_output_trigger, - .drain = snd_usbmidi_output_drain, - }; - --static struct snd_rawmidi_ops snd_usbmidi_input_ops = { -+static const struct snd_rawmidi_ops snd_usbmidi_input_ops = { - .open = snd_usbmidi_input_open, - .close = snd_usbmidi_input_close, - .trigger = snd_usbmidi_input_trigger -diff -urNp linux-2.6.39.3/sound/usb/misc/ua101.c linux-2.6.39.3/sound/usb/misc/ua101.c ---- linux-2.6.39.3/sound/usb/misc/ua101.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/usb/misc/ua101.c 2011-05-22 19:36:36.000000000 -0400 -@@ -886,7 +886,7 @@ static snd_pcm_uframes_t playback_pcm_po - return ua101_pcm_pointer(ua, &ua->playback); - } - --static struct snd_pcm_ops capture_pcm_ops = { -+static const struct snd_pcm_ops capture_pcm_ops = { - .open = capture_pcm_open, - .close = capture_pcm_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -899,7 +899,7 @@ static struct snd_pcm_ops capture_pcm_op - .mmap = snd_pcm_lib_mmap_vmalloc, - }; - --static struct snd_pcm_ops playback_pcm_ops = { -+static const struct snd_pcm_ops playback_pcm_ops = { - .open = playback_pcm_open, - .close = playback_pcm_close, - .ioctl = snd_pcm_lib_ioctl, -diff -urNp linux-2.6.39.3/sound/usb/mixer.c linux-2.6.39.3/sound/usb/mixer.c ---- linux-2.6.39.3/sound/usb/mixer.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/usb/mixer.c 2011-05-22 19:36:36.000000000 -0400 -@@ -2201,7 +2201,7 @@ static int snd_usb_mixer_status_create(s - int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif, - int ignore_error) - { -- static struct snd_device_ops dev_ops = { -+ static const struct snd_device_ops dev_ops = { - .dev_free = snd_usb_mixer_dev_free - }; - struct usb_mixer_interface *mixer; -diff -urNp linux-2.6.39.3/sound/usb/pcm.c linux-2.6.39.3/sound/usb/pcm.c ---- linux-2.6.39.3/sound/usb/pcm.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/usb/pcm.c 2011-05-22 19:36:36.000000000 -0400 -@@ -844,7 +844,7 @@ static int snd_usb_capture_close(struct - return snd_usb_pcm_close(substream, SNDRV_PCM_STREAM_CAPTURE); - } - --static struct snd_pcm_ops snd_usb_playback_ops = { -+static const struct snd_pcm_ops snd_usb_playback_ops = { - .open = snd_usb_playback_open, - .close = snd_usb_playback_close, - .ioctl = snd_pcm_lib_ioctl, -@@ -857,7 +857,7 @@ static struct snd_pcm_ops snd_usb_playba - .mmap = snd_pcm_lib_mmap_vmalloc, - }; - --static struct snd_pcm_ops snd_usb_capture_ops = { -+static const struct snd_pcm_ops snd_usb_capture_ops = { - .open = snd_usb_capture_open, - .close = snd_usb_capture_close, - .ioctl = snd_pcm_lib_ioctl, -diff -urNp linux-2.6.39.3/sound/usb/usx2y/usbusx2yaudio.c linux-2.6.39.3/sound/usb/usx2y/usbusx2yaudio.c ---- linux-2.6.39.3/sound/usb/usx2y/usbusx2yaudio.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/sound/usb/usx2y/usbusx2yaudio.c 2011-05-22 19:36:36.000000000 -0400 -@@ -919,8 +919,7 @@ static int snd_usX2Y_pcm_close(struct sn - } - - --static struct snd_pcm_ops snd_usX2Y_pcm_ops = --{ -+static const struct snd_pcm_ops snd_usX2Y_pcm_ops = { - .open = snd_usX2Y_pcm_open, - .close = snd_usX2Y_pcm_close, - .ioctl = snd_pcm_lib_ioctl, -diff -urNp linux-2.6.39.3/tools/gcc/Makefile linux-2.6.39.3/tools/gcc/Makefile ---- linux-2.6.39.3/tools/gcc/Makefile 1969-12-31 19:00:00.000000000 -0500 -+++ linux-2.6.39.3/tools/gcc/Makefile 2011-06-03 01:19:01.000000000 -0400 -@@ -0,0 +1,11 @@ -+#CC := gcc -+#PLUGIN_SOURCE_FILES := pax_plugin.c -+#PLUGIN_OBJECT_FILES := $(patsubst %.c,%.o,$(PLUGIN_SOURCE_FILES)) -+GCCPLUGINS_DIR := $(shell $(HOSTCC) -print-file-name=plugin) -+#CFLAGS += -I$(GCCPLUGINS_DIR)/include -fPIC -O2 -Wall -W -+ -+HOST_EXTRACFLAGS += -I$(GCCPLUGINS_DIR)/include -+ -+hostlibs-y := pax_plugin.so -+always := $(hostlibs-y) -+pax_plugin-objs := pax_plugin.o -diff -urNp linux-2.6.39.3/tools/gcc/pax_plugin.c linux-2.6.39.3/tools/gcc/pax_plugin.c ---- linux-2.6.39.3/tools/gcc/pax_plugin.c 1969-12-31 19:00:00.000000000 -0500 -+++ linux-2.6.39.3/tools/gcc/pax_plugin.c 2011-07-06 20:00:13.000000000 -0400 -@@ -0,0 +1,243 @@ -+/* -+ * Copyright 2011 by the PaX Team <pageexec@freemail.hu> -+ * Licensed under the GPL v2 -+ * -+ * Note: the choice of the license means that the compilation process is -+ * NOT 'eligible' as defined by gcc's library exception to the GPL v3, -+ * but for the kernel it doesn't matter since it doesn't link against -+ * any of the gcc libraries -+ * -+ * gcc plugin to help implement various PaX features -+ * -+ * - track lowest stack pointer -+ * -+ * TODO: -+ * - initialize all local variables -+ * -+ * BUGS: -+ * - cloned functions are instrumented twice -+ */ -+#include "gcc-plugin.h" -+#include "plugin-version.h" -+#include "config.h" -+#include "system.h" -+#include "coretypes.h" -+#include "tm.h" -+#include "toplev.h" -+#include "basic-block.h" -+#include "gimple.h" -+//#include "expr.h" where are you... -+#include "diagnostic.h" -+#include "rtl.h" -+#include "emit-rtl.h" -+#include "function.h" -+#include "tree.h" -+#include "tree-pass.h" -+#include "intl.h" -+ -+int plugin_is_GPL_compatible; -+ -+static int track_frame_size = -1; -+static const char track_function[] = "pax_track_stack"; -+static bool init_locals; -+ -+static struct plugin_info pax_plugin_info = { -+ .version = "201106030000", -+ .help = "track-lowest-sp=nn\ttrack sp in functions whose frame size is at least nn bytes\n" -+// "initialize-locals\t\tforcibly initialize all stack frames\n" -+}; -+ -+static bool gate_pax_track_stack(void); -+static unsigned int execute_pax_tree_instrument(void); -+static unsigned int execute_pax_final(void); -+ -+static struct gimple_opt_pass pax_tree_instrument_pass = { -+ .pass = { -+ .type = GIMPLE_PASS, -+ .name = "pax_tree_instrument", -+ .gate = gate_pax_track_stack, -+ .execute = execute_pax_tree_instrument, -+ .sub = NULL, -+ .next = NULL, -+ .static_pass_number = 0, -+ .tv_id = TV_NONE, -+ .properties_required = PROP_gimple_leh | PROP_cfg, -+ .properties_provided = 0, -+ .properties_destroyed = 0, -+ .todo_flags_start = 0, //TODO_verify_ssa | TODO_verify_flow | TODO_verify_stmts, -+ .todo_flags_finish = TODO_verify_stmts // | TODO_dump_func -+ } -+}; -+ -+static struct rtl_opt_pass pax_final_rtl_opt_pass = { -+ .pass = { -+ .type = RTL_PASS, -+ .name = "pax_final", -+ .gate = gate_pax_track_stack, -+ .execute = execute_pax_final, -+ .sub = NULL, -+ .next = NULL, -+ .static_pass_number = 0, -+ .tv_id = TV_NONE, -+ .properties_required = 0, -+ .properties_provided = 0, -+ .properties_destroyed = 0, -+ .todo_flags_start = 0, -+ .todo_flags_finish = 0 -+ } -+}; -+ -+static bool gate_pax_track_stack(void) -+{ -+ return track_frame_size >= 0; -+} -+ -+static void pax_add_instrumentation(gimple_stmt_iterator *gsi, bool before) -+{ -+ gimple call; -+ tree decl, type; -+ -+ // insert call to void pax_track_stack(void) -+ type = build_function_type_list(void_type_node, NULL_TREE); -+ decl = build_fn_decl(track_function, type); -+ DECL_ASSEMBLER_NAME(decl); // for LTO -+ call = gimple_build_call(decl, 0); -+ if (before) -+ gsi_insert_before(gsi, call, GSI_CONTINUE_LINKING); -+ else -+ gsi_insert_after(gsi, call, GSI_CONTINUE_LINKING); -+} -+ -+static unsigned int execute_pax_tree_instrument(void) -+{ -+ basic_block bb; -+ gimple_stmt_iterator gsi; -+ -+ // 1. loop through BBs and GIMPLE statements -+ FOR_EACH_BB(bb) { -+ for (gsi = gsi_start_bb(bb); !gsi_end_p(gsi); gsi_next(&gsi)) { -+ // gimple match: align 8 built-in BUILT_IN_NORMAL:BUILT_IN_ALLOCA attributes <tree_list 0xb7576450> -+ tree decl; -+ gimple stmt = gsi_stmt(gsi); -+ -+ if (!is_gimple_call(stmt)) -+ continue; -+ decl = gimple_call_fndecl(stmt); -+ if (!decl) -+ continue; -+ if (TREE_CODE(decl) != FUNCTION_DECL) -+ continue; -+ if (!DECL_BUILT_IN(decl)) -+ continue; -+ if (DECL_BUILT_IN_CLASS(decl) != BUILT_IN_NORMAL) -+ continue; -+ if (DECL_FUNCTION_CODE(decl) != BUILT_IN_ALLOCA) -+ continue; -+ -+ // 2. insert track call after each __builtin_alloca call -+ pax_add_instrumentation(&gsi, false); -+// print_node(stderr, "pax", decl, 4); -+ } -+ } -+ -+ // 3. insert track call at the beginning -+ bb = ENTRY_BLOCK_PTR_FOR_FUNCTION(cfun)->next_bb; -+ gsi = gsi_start_bb(bb); -+ pax_add_instrumentation(&gsi, true); -+ -+ return 0; -+} -+ -+static unsigned int execute_pax_final(void) -+{ -+ rtx insn; -+ -+ if (cfun->calls_alloca) -+ return 0; -+ -+ // 1. find pax_track_stack calls -+ for (insn = get_insns(); insn; insn = NEXT_INSN(insn)) { -+ // rtl match: (call_insn 8 7 9 3 (call (mem (symbol_ref ("pax_track_stack") [flags 0x41] <function_decl 0xb7470e80 pax_track_stack>) [0 S1 A8]) (4)) -1 (nil) (nil)) -+ rtx body; -+ -+ if (!CALL_P(insn)) -+ continue; -+ body = PATTERN(insn); -+ if (GET_CODE(body) != CALL) -+ continue; -+ body = XEXP(body, 0); -+ if (GET_CODE(body) != MEM) -+ continue; -+ body = XEXP(body, 0); -+ if (GET_CODE(body) != SYMBOL_REF) -+ continue; -+ if (strcmp(XSTR(body, 0), track_function)) -+ continue; -+// warning(0, "track_frame_size: %d %ld %d", cfun->calls_alloca, get_frame_size(), track_frame_size); -+ // 2. delete call if function frame is not big enough -+ if (get_frame_size() >= track_frame_size) -+ continue; -+ delete_insn_and_edges(insn); -+ } -+ -+// print_simple_rtl(stderr, get_insns()); -+// print_rtl(stderr, get_insns()); -+// warning(0, "track_frame_size: %d %ld %d", cfun->calls_alloca, get_frame_size(), track_frame_size); -+ -+ return 0; -+} -+ -+int plugin_init(struct plugin_name_args *plugin_info, struct plugin_gcc_version *version) -+{ -+ const char * const plugin_name = plugin_info->base_name; -+ const int argc = plugin_info->argc; -+ const struct plugin_argument * const argv = plugin_info->argv; -+ int i; -+ struct register_pass_info pax_tree_instrument_pass_info = { -+ .pass = &pax_tree_instrument_pass.pass, -+// .reference_pass_name = "tree_profile", -+ .reference_pass_name = "optimized", -+ .ref_pass_instance_number = 0, -+ .pos_op = PASS_POS_INSERT_AFTER -+ }; -+ struct register_pass_info pax_final_pass_info = { -+ .pass = &pax_final_rtl_opt_pass.pass, -+ .reference_pass_name = "final", -+ .ref_pass_instance_number = 0, -+ .pos_op = PASS_POS_INSERT_BEFORE -+ }; -+ -+ if (!plugin_default_version_check(version, &gcc_version)) { -+ error(G_("incompatible gcc/plugin versions")); -+ return 1; -+ } -+ -+ register_callback(plugin_name, PLUGIN_INFO, NULL, &pax_plugin_info); -+ -+ for (i = 0; i < argc; ++i) { -+ if (!strcmp(argv[i].key, "track-lowest-sp")) { -+ if (!argv[i].value) { -+ error(G_("no value supplied for option '-fplugin-arg-%s-%s'"), plugin_name, argv[i].key); -+ continue; -+ } -+ track_frame_size = atoi(argv[i].value); -+ if (argv[i].value[0] < '0' || argv[i].value[0] > '9' || track_frame_size < 0) -+ error(G_("invalid option argument '-fplugin-arg-%s-%s=%s'"), plugin_name, argv[i].key, argv[i].value); -+ continue; -+ } -+ if (!strcmp(argv[i].key, "initialize-locals")) { -+ if (argv[i].value) { -+ error(G_("invalid option argument '-fplugin-arg-%s-%s=%s'"), plugin_name, argv[i].key, argv[i].value); -+ continue; -+ } -+ init_locals = true; -+ continue; -+ } -+ error(G_("unkown option '-fplugin-arg-%s-%s'"), plugin_name, argv[i].key); -+ } -+ -+ register_callback(plugin_name, PLUGIN_PASS_MANAGER_SETUP, NULL, &pax_tree_instrument_pass_info); -+ register_callback(plugin_name, PLUGIN_PASS_MANAGER_SETUP, NULL, &pax_final_pass_info); -+ -+ return 0; -+} -diff -urNp linux-2.6.39.3/tools/perf/builtin-lock.c linux-2.6.39.3/tools/perf/builtin-lock.c ---- linux-2.6.39.3/tools/perf/builtin-lock.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/tools/perf/builtin-lock.c 2011-05-22 19:36:36.000000000 -0400 -@@ -635,14 +635,14 @@ end: - - /* lock oriented handlers */ - /* TODO: handlers for CPU oriented, thread oriented */ --static struct trace_lock_handler report_lock_ops = { -+static const struct trace_lock_handler report_lock_ops = { - .acquire_event = report_lock_acquire_event, - .acquired_event = report_lock_acquired_event, - .contended_event = report_lock_contended_event, - .release_event = report_lock_release_event, - }; - --static struct trace_lock_handler *trace_handler; -+static const struct trace_lock_handler *trace_handler; - - static void - process_lock_acquire_event(void *data, -diff -urNp linux-2.6.39.3/tools/perf/builtin-sched.c linux-2.6.39.3/tools/perf/builtin-sched.c ---- linux-2.6.39.3/tools/perf/builtin-sched.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/tools/perf/builtin-sched.c 2011-05-22 19:36:36.000000000 -0400 -@@ -845,7 +845,7 @@ replay_fork_event(struct trace_fork_even - register_pid(fork_event->child_pid, fork_event->child_comm); - } - --static struct trace_sched_handler replay_ops = { -+static const struct trace_sched_handler replay_ops = { - .wakeup_event = replay_wakeup_event, - .switch_event = replay_switch_event, - .fork_event = replay_fork_event, -@@ -1183,7 +1183,7 @@ latency_migrate_task_event(struct trace_ - nr_unordered_timestamps++; - } - --static struct trace_sched_handler lat_ops = { -+static const struct trace_sched_handler lat_ops = { - .wakeup_event = latency_wakeup_event, - .switch_event = latency_switch_event, - .runtime_event = latency_runtime_event, -@@ -1353,7 +1353,7 @@ static void sort_lat(void) - } - } - --static struct trace_sched_handler *trace_handler; -+static const struct trace_sched_handler *trace_handler; - - static void - process_sched_wakeup_event(void *data, struct perf_session *session, -@@ -1719,7 +1719,7 @@ static void __cmd_lat(void) - - } - --static struct trace_sched_handler map_ops = { -+static const struct trace_sched_handler map_ops = { - .wakeup_event = NULL, - .switch_event = map_switch_event, - .runtime_event = NULL, -diff -urNp linux-2.6.39.3/usr/gen_init_cpio.c linux-2.6.39.3/usr/gen_init_cpio.c ---- linux-2.6.39.3/usr/gen_init_cpio.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/usr/gen_init_cpio.c 2011-05-22 19:36:36.000000000 -0400 -@@ -305,7 +305,7 @@ static int cpio_mkfile(const char *name, - int retval; - int rc = -1; - int namesize; -- int i; -+ unsigned int i; - - mode |= S_IFREG; - -@@ -394,9 +394,10 @@ static char *cpio_replace_env(char *new_ - *env_var = *expanded = '\0'; - strncat(env_var, start + 2, end - start - 2); - strncat(expanded, new_location, start - new_location); -- strncat(expanded, getenv(env_var), PATH_MAX); -- strncat(expanded, end + 1, PATH_MAX); -+ strncat(expanded, getenv(env_var), PATH_MAX - strlen(expanded)); -+ strncat(expanded, end + 1, PATH_MAX - strlen(expanded)); - strncpy(new_location, expanded, PATH_MAX); -+ new_location[PATH_MAX] = 0; - } else - break; - } -diff -urNp linux-2.6.39.3/virt/kvm/kvm_main.c linux-2.6.39.3/virt/kvm/kvm_main.c ---- linux-2.6.39.3/virt/kvm/kvm_main.c 2011-05-19 00:06:34.000000000 -0400 -+++ linux-2.6.39.3/virt/kvm/kvm_main.c 2011-05-22 19:36:36.000000000 -0400 -@@ -73,7 +73,7 @@ LIST_HEAD(vm_list); - - static cpumask_var_t cpus_hardware_enabled; - static int kvm_usage_count = 0; --static atomic_t hardware_enable_failed; -+static atomic_unchecked_t hardware_enable_failed; - - struct kmem_cache *kvm_vcpu_cache; - EXPORT_SYMBOL_GPL(kvm_vcpu_cache); -@@ -1594,7 +1594,7 @@ static int kvm_vcpu_release(struct inode - return 0; - } - --static struct file_operations kvm_vcpu_fops = { -+static struct file_operations kvm_vcpu_fops = { /* cannot be const */ - .release = kvm_vcpu_release, - .unlocked_ioctl = kvm_vcpu_ioctl, - .compat_ioctl = kvm_vcpu_ioctl, -@@ -2063,7 +2063,7 @@ static int kvm_vm_mmap(struct file *file - return 0; - } - --static struct file_operations kvm_vm_fops = { -+static struct file_operations kvm_vm_fops = { /* cannot be const */ - .release = kvm_vm_release, - .unlocked_ioctl = kvm_vm_ioctl, - #ifdef CONFIG_COMPAT -@@ -2161,7 +2161,7 @@ out: - return r; - } - --static struct file_operations kvm_chardev_ops = { -+static struct file_operations kvm_chardev_ops = { /* cannot be const */ - .unlocked_ioctl = kvm_dev_ioctl, - .compat_ioctl = kvm_dev_ioctl, - .llseek = noop_llseek, -@@ -2187,7 +2187,7 @@ static void hardware_enable_nolock(void - - if (r) { - cpumask_clear_cpu(cpu, cpus_hardware_enabled); -- atomic_inc(&hardware_enable_failed); -+ atomic_inc_unchecked(&hardware_enable_failed); - printk(KERN_INFO "kvm: enabling virtualization on " - "CPU%d failed\n", cpu); - } -@@ -2241,10 +2241,10 @@ static int hardware_enable_all(void) - - kvm_usage_count++; - if (kvm_usage_count == 1) { -- atomic_set(&hardware_enable_failed, 0); -+ atomic_set_unchecked(&hardware_enable_failed, 0); - on_each_cpu(hardware_enable_nolock, NULL, 1); - -- if (atomic_read(&hardware_enable_failed)) { -+ if (atomic_read_unchecked(&hardware_enable_failed)) { - hardware_disable_all_nolock(); - r = -EBUSY; - } -@@ -2509,7 +2509,7 @@ static void kvm_sched_out(struct preempt - kvm_arch_vcpu_put(vcpu); - } - --int kvm_init(void *opaque, unsigned vcpu_size, unsigned vcpu_align, -+int kvm_init(const void *opaque, unsigned vcpu_size, unsigned vcpu_align, - struct module *module) - { - int r; -@@ -2572,7 +2572,7 @@ int kvm_init(void *opaque, unsigned vcpu - if (!vcpu_align) - vcpu_align = __alignof__(struct kvm_vcpu); - kvm_vcpu_cache = kmem_cache_create("kvm_vcpu", vcpu_size, vcpu_align, -- 0, NULL); -+ SLAB_USERCOPY, NULL); - if (!kvm_vcpu_cache) { - r = -ENOMEM; - goto out_free_3; |