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Diffstat (limited to '3.2.40/1023_linux-3.2.24.patch')
-rw-r--r--3.2.40/1023_linux-3.2.24.patch4684
1 files changed, 4684 insertions, 0 deletions
diff --git a/3.2.40/1023_linux-3.2.24.patch b/3.2.40/1023_linux-3.2.24.patch
new file mode 100644
index 0000000..4692eb4
--- /dev/null
+++ b/3.2.40/1023_linux-3.2.24.patch
@@ -0,0 +1,4684 @@
+diff --git a/Makefile b/Makefile
+index 40d1e3b..80bb4fd 100644
+--- a/Makefile
++++ b/Makefile
+@@ -1,6 +1,6 @@
+ VERSION = 3
+ PATCHLEVEL = 2
+-SUBLEVEL = 23
++SUBLEVEL = 24
+ EXTRAVERSION =
+ NAME = Saber-toothed Squirrel
+
+diff --git a/arch/arm/plat-samsung/adc.c b/arch/arm/plat-samsung/adc.c
+index 33ecd0c..b1e05cc 100644
+--- a/arch/arm/plat-samsung/adc.c
++++ b/arch/arm/plat-samsung/adc.c
+@@ -157,11 +157,13 @@ int s3c_adc_start(struct s3c_adc_client *client,
+ return -EINVAL;
+ }
+
+- if (client->is_ts && adc->ts_pend)
+- return -EAGAIN;
+-
+ spin_lock_irqsave(&adc->lock, flags);
+
++ if (client->is_ts && adc->ts_pend) {
++ spin_unlock_irqrestore(&adc->lock, flags);
++ return -EAGAIN;
++ }
++
+ client->channel = channel;
+ client->nr_samples = nr_samples;
+
+diff --git a/arch/mips/include/asm/thread_info.h b/arch/mips/include/asm/thread_info.h
+index 97f8bf6..adda036 100644
+--- a/arch/mips/include/asm/thread_info.h
++++ b/arch/mips/include/asm/thread_info.h
+@@ -60,6 +60,8 @@ struct thread_info {
+ register struct thread_info *__current_thread_info __asm__("$28");
+ #define current_thread_info() __current_thread_info
+
++#endif /* !__ASSEMBLY__ */
++
+ /* thread information allocation */
+ #if defined(CONFIG_PAGE_SIZE_4KB) && defined(CONFIG_32BIT)
+ #define THREAD_SIZE_ORDER (1)
+@@ -97,8 +99,6 @@ register struct thread_info *__current_thread_info __asm__("$28");
+
+ #define free_thread_info(info) kfree(info)
+
+-#endif /* !__ASSEMBLY__ */
+-
+ #define PREEMPT_ACTIVE 0x10000000
+
+ /*
+diff --git a/arch/mips/kernel/vmlinux.lds.S b/arch/mips/kernel/vmlinux.lds.S
+index a81176f..be281c6 100644
+--- a/arch/mips/kernel/vmlinux.lds.S
++++ b/arch/mips/kernel/vmlinux.lds.S
+@@ -1,5 +1,6 @@
+ #include <asm/asm-offsets.h>
+ #include <asm/page.h>
++#include <asm/thread_info.h>
+ #include <asm-generic/vmlinux.lds.h>
+
+ #undef mips
+@@ -73,7 +74,7 @@ SECTIONS
+ .data : { /* Data */
+ . = . + DATAOFFSET; /* for CONFIG_MAPPED_KERNEL */
+
+- INIT_TASK_DATA(PAGE_SIZE)
++ INIT_TASK_DATA(THREAD_SIZE)
+ NOSAVE_DATA
+ CACHELINE_ALIGNED_DATA(1 << CONFIG_MIPS_L1_CACHE_SHIFT)
+ READ_MOSTLY_DATA(1 << CONFIG_MIPS_L1_CACHE_SHIFT)
+diff --git a/arch/powerpc/include/asm/cputime.h b/arch/powerpc/include/asm/cputime.h
+index 98b7c4b..fa3f921 100644
+--- a/arch/powerpc/include/asm/cputime.h
++++ b/arch/powerpc/include/asm/cputime.h
+@@ -126,11 +126,11 @@ static inline u64 cputime64_to_jiffies64(const cputime_t ct)
+ /*
+ * Convert cputime <-> microseconds
+ */
+-extern u64 __cputime_msec_factor;
++extern u64 __cputime_usec_factor;
+
+ static inline unsigned long cputime_to_usecs(const cputime_t ct)
+ {
+- return mulhdu(ct, __cputime_msec_factor) * USEC_PER_MSEC;
++ return mulhdu(ct, __cputime_usec_factor);
+ }
+
+ static inline cputime_t usecs_to_cputime(const unsigned long us)
+@@ -143,7 +143,7 @@ static inline cputime_t usecs_to_cputime(const unsigned long us)
+ sec = us / 1000000;
+ if (ct) {
+ ct *= tb_ticks_per_sec;
+- do_div(ct, 1000);
++ do_div(ct, 1000000);
+ }
+ if (sec)
+ ct += (cputime_t) sec * tb_ticks_per_sec;
+diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c
+index 5db163c..ec8affe 100644
+--- a/arch/powerpc/kernel/time.c
++++ b/arch/powerpc/kernel/time.c
+@@ -168,13 +168,13 @@ EXPORT_SYMBOL_GPL(ppc_tb_freq);
+ #ifdef CONFIG_VIRT_CPU_ACCOUNTING
+ /*
+ * Factors for converting from cputime_t (timebase ticks) to
+- * jiffies, milliseconds, seconds, and clock_t (1/USER_HZ seconds).
++ * jiffies, microseconds, seconds, and clock_t (1/USER_HZ seconds).
+ * These are all stored as 0.64 fixed-point binary fractions.
+ */
+ u64 __cputime_jiffies_factor;
+ EXPORT_SYMBOL(__cputime_jiffies_factor);
+-u64 __cputime_msec_factor;
+-EXPORT_SYMBOL(__cputime_msec_factor);
++u64 __cputime_usec_factor;
++EXPORT_SYMBOL(__cputime_usec_factor);
+ u64 __cputime_sec_factor;
+ EXPORT_SYMBOL(__cputime_sec_factor);
+ u64 __cputime_clockt_factor;
+@@ -192,8 +192,8 @@ static void calc_cputime_factors(void)
+
+ div128_by_32(HZ, 0, tb_ticks_per_sec, &res);
+ __cputime_jiffies_factor = res.result_low;
+- div128_by_32(1000, 0, tb_ticks_per_sec, &res);
+- __cputime_msec_factor = res.result_low;
++ div128_by_32(1000000, 0, tb_ticks_per_sec, &res);
++ __cputime_usec_factor = res.result_low;
+ div128_by_32(1, 0, tb_ticks_per_sec, &res);
+ __cputime_sec_factor = res.result_low;
+ div128_by_32(USER_HZ, 0, tb_ticks_per_sec, &res);
+diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
+index 4558f0d..479d03c 100644
+--- a/arch/x86/kernel/acpi/boot.c
++++ b/arch/x86/kernel/acpi/boot.c
+@@ -416,12 +416,14 @@ acpi_parse_int_src_ovr(struct acpi_subtable_header * header,
+ return 0;
+ }
+
+- if (intsrc->source_irq == 0 && intsrc->global_irq == 2) {
++ if (intsrc->source_irq == 0) {
+ if (acpi_skip_timer_override) {
+- printk(PREFIX "BIOS IRQ0 pin2 override ignored.\n");
++ printk(PREFIX "BIOS IRQ0 override ignored.\n");
+ return 0;
+ }
+- if (acpi_fix_pin2_polarity && (intsrc->inti_flags & ACPI_MADT_POLARITY_MASK)) {
++
++ if ((intsrc->global_irq == 2) && acpi_fix_pin2_polarity
++ && (intsrc->inti_flags & ACPI_MADT_POLARITY_MASK)) {
+ intsrc->inti_flags &= ~ACPI_MADT_POLARITY_MASK;
+ printk(PREFIX "BIOS IRQ0 pin2 override: forcing polarity to high active.\n");
+ }
+@@ -1327,17 +1329,12 @@ static int __init dmi_disable_acpi(const struct dmi_system_id *d)
+ }
+
+ /*
+- * Force ignoring BIOS IRQ0 pin2 override
++ * Force ignoring BIOS IRQ0 override
+ */
+ static int __init dmi_ignore_irq0_timer_override(const struct dmi_system_id *d)
+ {
+- /*
+- * The ati_ixp4x0_rev() early PCI quirk should have set
+- * the acpi_skip_timer_override flag already:
+- */
+ if (!acpi_skip_timer_override) {
+- WARN(1, KERN_ERR "ati_ixp4x0 quirk not complete.\n");
+- pr_notice("%s detected: Ignoring BIOS IRQ0 pin2 override\n",
++ pr_notice("%s detected: Ignoring BIOS IRQ0 override\n",
+ d->ident);
+ acpi_skip_timer_override = 1;
+ }
+@@ -1431,7 +1428,7 @@ static struct dmi_system_id __initdata acpi_dmi_table_late[] = {
+ * is enabled. This input is incorrectly designated the
+ * ISA IRQ 0 via an interrupt source override even though
+ * it is wired to the output of the master 8259A and INTIN0
+- * is not connected at all. Force ignoring BIOS IRQ0 pin2
++ * is not connected at all. Force ignoring BIOS IRQ0
+ * override in that cases.
+ */
+ {
+@@ -1466,6 +1463,14 @@ static struct dmi_system_id __initdata acpi_dmi_table_late[] = {
+ DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq 6715b"),
+ },
+ },
++ {
++ .callback = dmi_ignore_irq0_timer_override,
++ .ident = "FUJITSU SIEMENS",
++ .matches = {
++ DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
++ DMI_MATCH(DMI_PRODUCT_NAME, "AMILO PRO V2030"),
++ },
++ },
+ {}
+ };
+
+diff --git a/arch/x86/kernel/reboot.c b/arch/x86/kernel/reboot.c
+index 37a458b..e61f79c 100644
+--- a/arch/x86/kernel/reboot.c
++++ b/arch/x86/kernel/reboot.c
+@@ -460,6 +460,14 @@ static struct dmi_system_id __initdata pci_reboot_dmi_table[] = {
+ DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex 990"),
+ },
+ },
++ { /* Handle problems with rebooting on the Precision M6600. */
++ .callback = set_pci_reboot,
++ .ident = "Dell OptiPlex 990",
++ .matches = {
++ DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
++ DMI_MATCH(DMI_PRODUCT_NAME, "Precision M6600"),
++ },
++ },
+ { }
+ };
+
+diff --git a/block/scsi_ioctl.c b/block/scsi_ioctl.c
+index 688be8a..9e76a32 100644
+--- a/block/scsi_ioctl.c
++++ b/block/scsi_ioctl.c
+@@ -721,11 +721,14 @@ int scsi_verify_blk_ioctl(struct block_device *bd, unsigned int cmd)
+ break;
+ }
+
++ if (capable(CAP_SYS_RAWIO))
++ return 0;
++
+ /* In particular, rule out all resets and host-specific ioctls. */
+ printk_ratelimited(KERN_WARNING
+ "%s: sending ioctl %x to a partition!\n", current->comm, cmd);
+
+- return capable(CAP_SYS_RAWIO) ? 0 : -ENOTTY;
++ return -ENOTTY;
+ }
+ EXPORT_SYMBOL(scsi_verify_blk_ioctl);
+
+diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c
+index c850de4..eff7222 100644
+--- a/drivers/acpi/processor_core.c
++++ b/drivers/acpi/processor_core.c
+@@ -189,10 +189,12 @@ int acpi_get_cpuid(acpi_handle handle, int type, u32 acpi_id)
+ * Processor (CPU3, 0x03, 0x00000410, 0x06) {}
+ * }
+ *
+- * Ignores apic_id and always return 0 for CPU0's handle.
++ * Ignores apic_id and always returns 0 for the processor
++ * handle with acpi id 0 if nr_cpu_ids is 1.
++ * This should be the case if SMP tables are not found.
+ * Return -1 for other CPU's handle.
+ */
+- if (acpi_id == 0)
++ if (nr_cpu_ids <= 1 && acpi_id == 0)
+ return acpi_id;
+ else
+ return apic_id;
+diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c
+index ca191ff..ed6bc52 100644
+--- a/drivers/acpi/sleep.c
++++ b/drivers/acpi/sleep.c
+@@ -702,8 +702,8 @@ int acpi_pm_device_sleep_state(struct device *dev, int *d_min_p)
+ * can wake the system. _S0W may be valid, too.
+ */
+ if (acpi_target_sleep_state == ACPI_STATE_S0 ||
+- (device_may_wakeup(dev) &&
+- adev->wakeup.sleep_state <= acpi_target_sleep_state)) {
++ (device_may_wakeup(dev) && adev->wakeup.flags.valid &&
++ adev->wakeup.sleep_state >= acpi_target_sleep_state)) {
+ acpi_status status;
+
+ acpi_method[3] = 'W';
+diff --git a/drivers/acpi/sysfs.c b/drivers/acpi/sysfs.c
+index 9f66181..240a244 100644
+--- a/drivers/acpi/sysfs.c
++++ b/drivers/acpi/sysfs.c
+@@ -173,7 +173,7 @@ static int param_set_trace_state(const char *val, struct kernel_param *kp)
+ {
+ int result = 0;
+
+- if (!strncmp(val, "enable", strlen("enable") - 1)) {
++ if (!strncmp(val, "enable", strlen("enable"))) {
+ result = acpi_debug_trace(trace_method_name, trace_debug_level,
+ trace_debug_layer, 0);
+ if (result)
+@@ -181,7 +181,7 @@ static int param_set_trace_state(const char *val, struct kernel_param *kp)
+ goto exit;
+ }
+
+- if (!strncmp(val, "disable", strlen("disable") - 1)) {
++ if (!strncmp(val, "disable", strlen("disable"))) {
+ int name = 0;
+ result = acpi_debug_trace((char *)&name, trace_debug_level,
+ trace_debug_layer, 0);
+diff --git a/drivers/gpio/gpio-wm8994.c b/drivers/gpio/gpio-wm8994.c
+index 96198f3..a2da8f2 100644
+--- a/drivers/gpio/gpio-wm8994.c
++++ b/drivers/gpio/gpio-wm8994.c
+@@ -89,8 +89,11 @@ static int wm8994_gpio_direction_out(struct gpio_chip *chip,
+ struct wm8994_gpio *wm8994_gpio = to_wm8994_gpio(chip);
+ struct wm8994 *wm8994 = wm8994_gpio->wm8994;
+
++ if (value)
++ value = WM8994_GPN_LVL;
++
+ return wm8994_set_bits(wm8994, WM8994_GPIO_1 + offset,
+- WM8994_GPN_DIR, 0);
++ WM8994_GPN_DIR | WM8994_GPN_LVL, value);
+ }
+
+ static void wm8994_gpio_set(struct gpio_chip *chip, unsigned offset, int value)
+diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
+index 6aa7716..cc75c4b 100644
+--- a/drivers/gpu/drm/i915/intel_display.c
++++ b/drivers/gpu/drm/i915/intel_display.c
+@@ -8043,8 +8043,8 @@ void gen6_enable_rps(struct drm_i915_private *dev_priv)
+ I915_WRITE(GEN6_RC6pp_THRESHOLD, 64000); /* unused */
+
+ if (intel_enable_rc6(dev_priv->dev))
+- rc6_mask = GEN6_RC_CTL_RC6p_ENABLE |
+- GEN6_RC_CTL_RC6_ENABLE;
++ rc6_mask = GEN6_RC_CTL_RC6_ENABLE |
++ ((IS_GEN7(dev_priv->dev)) ? GEN6_RC_CTL_RC6p_ENABLE : 0);
+
+ I915_WRITE(GEN6_RC_CONTROL,
+ rc6_mask |
+diff --git a/drivers/hid/hid-apple.c b/drivers/hid/hid-apple.c
+index 299d238..899c712 100644
+--- a/drivers/hid/hid-apple.c
++++ b/drivers/hid/hid-apple.c
+@@ -514,6 +514,12 @@ static const struct hid_device_id apple_devices[] = {
+ .driver_data = APPLE_HAS_FN | APPLE_ISO_KEYBOARD },
+ { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS),
+ .driver_data = APPLE_HAS_FN | APPLE_RDESC_JIS },
++ { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI),
++ .driver_data = APPLE_HAS_FN },
++ { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO),
++ .driver_data = APPLE_HAS_FN | APPLE_ISO_KEYBOARD },
++ { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS),
++ .driver_data = APPLE_HAS_FN | APPLE_RDESC_JIS },
+ { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI),
+ .driver_data = APPLE_NUMLOCK_EMULATION | APPLE_HAS_FN },
+ { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO),
+diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
+index c27b402..95430a0 100644
+--- a/drivers/hid/hid-core.c
++++ b/drivers/hid/hid-core.c
+@@ -1374,6 +1374,9 @@ static const struct hid_device_id hid_have_special_driver[] = {
+ { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) },
++ { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) },
++ { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) },
++ { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) },
+ { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI) },
+ { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO) },
+ { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS) },
+@@ -1884,6 +1887,7 @@ static const struct hid_device_id hid_ignore_list[] = {
+ { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MCT) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HYBRID) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HEATCONTROL) },
++ { HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_BEATPAD) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1024LS) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1208LS) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT1) },
+@@ -1968,6 +1972,9 @@ static const struct hid_device_id hid_mouse_ignore_list[] = {
+ { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) },
++ { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) },
++ { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) },
++ { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
+ { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
+ { }
+diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
+index fba3fc4..7db934d 100644
+--- a/drivers/hid/hid-ids.h
++++ b/drivers/hid/hid-ids.h
+@@ -125,6 +125,9 @@
+ #define USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI 0x024c
+ #define USB_DEVICE_ID_APPLE_WELLSPRING6_ISO 0x024d
+ #define USB_DEVICE_ID_APPLE_WELLSPRING6_JIS 0x024e
++#define USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI 0x0262
++#define USB_DEVICE_ID_APPLE_WELLSPRING7_ISO 0x0263
++#define USB_DEVICE_ID_APPLE_WELLSPRING7_JIS 0x0264
+ #define USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI 0x0239
+ #define USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO 0x023a
+ #define USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS 0x023b
+@@ -491,6 +494,9 @@
+ #define USB_DEVICE_ID_CRYSTALTOUCH 0x0006
+ #define USB_DEVICE_ID_CRYSTALTOUCH_DUAL 0x0007
+
++#define USB_VENDOR_ID_MADCATZ 0x0738
++#define USB_DEVICE_ID_MADCATZ_BEATPAD 0x4540
++
+ #define USB_VENDOR_ID_MCC 0x09db
+ #define USB_DEVICE_ID_MCC_PMD1024LS 0x0076
+ #define USB_DEVICE_ID_MCC_PMD1208LS 0x007a
+diff --git a/drivers/hwmon/it87.c b/drivers/hwmon/it87.c
+index d912649..1ba7af2 100644
+--- a/drivers/hwmon/it87.c
++++ b/drivers/hwmon/it87.c
+@@ -2086,7 +2086,7 @@ static void __devinit it87_init_device(struct platform_device *pdev)
+
+ /* Start monitoring */
+ it87_write_value(data, IT87_REG_CONFIG,
+- (it87_read_value(data, IT87_REG_CONFIG) & 0x36)
++ (it87_read_value(data, IT87_REG_CONFIG) & 0x3e)
+ | (update_vbat ? 0x41 : 0x01));
+ }
+
+diff --git a/drivers/hwspinlock/hwspinlock_core.c b/drivers/hwspinlock/hwspinlock_core.c
+index 61c9cf1..1201a15 100644
+--- a/drivers/hwspinlock/hwspinlock_core.c
++++ b/drivers/hwspinlock/hwspinlock_core.c
+@@ -345,7 +345,7 @@ int hwspin_lock_register(struct hwspinlock_device *bank, struct device *dev,
+ spin_lock_init(&hwlock->lock);
+ hwlock->bank = bank;
+
+- ret = hwspin_lock_register_single(hwlock, i);
++ ret = hwspin_lock_register_single(hwlock, base_id + i);
+ if (ret)
+ goto reg_failed;
+ }
+@@ -354,7 +354,7 @@ int hwspin_lock_register(struct hwspinlock_device *bank, struct device *dev,
+
+ reg_failed:
+ while (--i >= 0)
+- hwspin_lock_unregister_single(i);
++ hwspin_lock_unregister_single(base_id + i);
+ return ret;
+ }
+ EXPORT_SYMBOL_GPL(hwspin_lock_register);
+diff --git a/drivers/input/joystick/xpad.c b/drivers/input/joystick/xpad.c
+index d728875..2189cbf 100644
+--- a/drivers/input/joystick/xpad.c
++++ b/drivers/input/joystick/xpad.c
+@@ -142,6 +142,7 @@ static const struct xpad_device {
+ { 0x0c12, 0x880a, "Pelican Eclipse PL-2023", 0, XTYPE_XBOX },
+ { 0x0c12, 0x8810, "Zeroplus Xbox Controller", 0, XTYPE_XBOX },
+ { 0x0c12, 0x9902, "HAMA VibraX - *FAULTY HARDWARE*", 0, XTYPE_XBOX },
++ { 0x0d2f, 0x0002, "Andamiro Pump It Up pad", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX },
+ { 0x0e4c, 0x1097, "Radica Gamester Controller", 0, XTYPE_XBOX },
+ { 0x0e4c, 0x2390, "Radica Games Jtech Controller", 0, XTYPE_XBOX },
+ { 0x0e6f, 0x0003, "Logic3 Freebird wireless Controller", 0, XTYPE_XBOX },
+@@ -164,6 +165,7 @@ static const struct xpad_device {
+ { 0x1bad, 0x0003, "Harmonix Rock Band Drumkit", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX360 },
+ { 0x0f0d, 0x0016, "Hori Real Arcade Pro.EX", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
+ { 0x0f0d, 0x000d, "Hori Fighting Stick EX2", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
++ { 0x1689, 0xfd00, "Razer Onza Tournament Edition", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX360 },
+ { 0xffff, 0xffff, "Chinese-made Xbox Controller", 0, XTYPE_XBOX },
+ { 0x0000, 0x0000, "Generic X-Box pad", 0, XTYPE_UNKNOWN }
+ };
+@@ -238,12 +240,14 @@ static struct usb_device_id xpad_table [] = {
+ XPAD_XBOX360_VENDOR(0x045e), /* Microsoft X-Box 360 controllers */
+ XPAD_XBOX360_VENDOR(0x046d), /* Logitech X-Box 360 style controllers */
+ XPAD_XBOX360_VENDOR(0x0738), /* Mad Catz X-Box 360 controllers */
++ { USB_DEVICE(0x0738, 0x4540) }, /* Mad Catz Beat Pad */
+ XPAD_XBOX360_VENDOR(0x0e6f), /* 0x0e6f X-Box 360 controllers */
+ XPAD_XBOX360_VENDOR(0x12ab), /* X-Box 360 dance pads */
+ XPAD_XBOX360_VENDOR(0x1430), /* RedOctane X-Box 360 controllers */
+ XPAD_XBOX360_VENDOR(0x146b), /* BigBen Interactive Controllers */
+ XPAD_XBOX360_VENDOR(0x1bad), /* Harminix Rock Band Guitar and Drums */
+- XPAD_XBOX360_VENDOR(0x0f0d), /* Hori Controllers */
++ XPAD_XBOX360_VENDOR(0x0f0d), /* Hori Controllers */
++ XPAD_XBOX360_VENDOR(0x1689), /* Razer Onza */
+ { }
+ };
+
+diff --git a/drivers/input/mouse/bcm5974.c b/drivers/input/mouse/bcm5974.c
+index 5ec617e..ec58f48 100644
+--- a/drivers/input/mouse/bcm5974.c
++++ b/drivers/input/mouse/bcm5974.c
+@@ -79,6 +79,10 @@
+ #define USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI 0x0252
+ #define USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO 0x0253
+ #define USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS 0x0254
++/* MacbookPro10,1 (unibody, June 2012) */
++#define USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI 0x0262
++#define USB_DEVICE_ID_APPLE_WELLSPRING7_ISO 0x0263
++#define USB_DEVICE_ID_APPLE_WELLSPRING7_JIS 0x0264
+
+ #define BCM5974_DEVICE(prod) { \
+ .match_flags = (USB_DEVICE_ID_MATCH_DEVICE | \
+@@ -128,6 +132,10 @@ static const struct usb_device_id bcm5974_table[] = {
+ BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI),
+ BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO),
+ BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS),
++ /* MacbookPro10,1 */
++ BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI),
++ BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING7_ISO),
++ BCM5974_DEVICE(USB_DEVICE_ID_APPLE_WELLSPRING7_JIS),
+ /* Terminating entry */
+ {}
+ };
+@@ -354,6 +362,18 @@ static const struct bcm5974_config bcm5974_config_table[] = {
+ { DIM_X, DIM_X / SN_COORD, -4620, 5140 },
+ { DIM_Y, DIM_Y / SN_COORD, -150, 6600 }
+ },
++ {
++ USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI,
++ USB_DEVICE_ID_APPLE_WELLSPRING7_ISO,
++ USB_DEVICE_ID_APPLE_WELLSPRING7_JIS,
++ HAS_INTEGRATED_BUTTON,
++ 0x84, sizeof(struct bt_data),
++ 0x81, TYPE2, FINGER_TYPE2, FINGER_TYPE2 + SIZEOF_ALL_FINGERS,
++ { DIM_PRESSURE, DIM_PRESSURE / SN_PRESSURE, 0, 300 },
++ { DIM_WIDTH, DIM_WIDTH / SN_WIDTH, 0, 2048 },
++ { DIM_X, DIM_X / SN_COORD, -4750, 5280 },
++ { DIM_Y, DIM_Y / SN_COORD, -150, 6730 }
++ },
+ {}
+ };
+
+diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
+index f1d5408..a1b8caa 100644
+--- a/drivers/iommu/amd_iommu.c
++++ b/drivers/iommu/amd_iommu.c
+@@ -59,6 +59,8 @@ static struct protection_domain *pt_domain;
+
+ static struct iommu_ops amd_iommu_ops;
+
++static struct dma_map_ops amd_iommu_dma_ops;
++
+ /*
+ * general struct to manage commands send to an IOMMU
+ */
+@@ -1878,6 +1880,11 @@ static int device_change_notifier(struct notifier_block *nb,
+ list_add_tail(&dma_domain->list, &iommu_pd_list);
+ spin_unlock_irqrestore(&iommu_pd_list_lock, flags);
+
++ if (!iommu_pass_through)
++ dev->archdata.dma_ops = &amd_iommu_dma_ops;
++ else
++ dev->archdata.dma_ops = &nommu_dma_ops;
++
+ break;
+ case BUS_NOTIFY_DEL_DEVICE:
+
+diff --git a/drivers/iommu/amd_iommu_init.c b/drivers/iommu/amd_iommu_init.c
+index 6269eb0..ef2d493 100644
+--- a/drivers/iommu/amd_iommu_init.c
++++ b/drivers/iommu/amd_iommu_init.c
+@@ -1468,6 +1468,8 @@ static int __init amd_iommu_init(void)
+
+ register_syscore_ops(&amd_iommu_syscore_ops);
+
++ x86_platform.iommu_shutdown = disable_iommus;
++
+ if (iommu_pass_through)
+ goto out;
+
+@@ -1476,7 +1478,6 @@ static int __init amd_iommu_init(void)
+ else
+ printk(KERN_INFO "AMD-Vi: Lazy IO/TLB flushing enabled\n");
+
+- x86_platform.iommu_shutdown = disable_iommus;
+ out:
+ return ret;
+
+diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c
+index 9bfd057..dae2b7a 100644
+--- a/drivers/md/dm-raid1.c
++++ b/drivers/md/dm-raid1.c
+@@ -1080,6 +1080,7 @@ static int mirror_ctr(struct dm_target *ti, unsigned int argc, char **argv)
+ ti->split_io = dm_rh_get_region_size(ms->rh);
+ ti->num_flush_requests = 1;
+ ti->num_discard_requests = 1;
++ ti->discard_zeroes_data_unsupported = 1;
+
+ ms->kmirrord_wq = alloc_workqueue("kmirrord",
+ WQ_NON_REENTRANT | WQ_MEM_RECLAIM, 0);
+@@ -1210,7 +1211,7 @@ static int mirror_end_io(struct dm_target *ti, struct bio *bio,
+ * We need to dec pending if this was a write.
+ */
+ if (rw == WRITE) {
+- if (!(bio->bi_rw & REQ_FLUSH))
++ if (!(bio->bi_rw & (REQ_FLUSH | REQ_DISCARD)))
+ dm_rh_dec(ms->rh, map_context->ll);
+ return error;
+ }
+diff --git a/drivers/md/dm-region-hash.c b/drivers/md/dm-region-hash.c
+index 7771ed2..69732e0 100644
+--- a/drivers/md/dm-region-hash.c
++++ b/drivers/md/dm-region-hash.c
+@@ -404,6 +404,9 @@ void dm_rh_mark_nosync(struct dm_region_hash *rh, struct bio *bio)
+ return;
+ }
+
++ if (bio->bi_rw & REQ_DISCARD)
++ return;
++
+ /* We must inform the log that the sync count has changed. */
+ log->type->set_region_sync(log, region, 0);
+
+@@ -524,7 +527,7 @@ void dm_rh_inc_pending(struct dm_region_hash *rh, struct bio_list *bios)
+ struct bio *bio;
+
+ for (bio = bios->head; bio; bio = bio->bi_next) {
+- if (bio->bi_rw & REQ_FLUSH)
++ if (bio->bi_rw & (REQ_FLUSH | REQ_DISCARD))
+ continue;
+ rh_inc(rh, dm_rh_bio_to_region(rh, bio));
+ }
+diff --git a/drivers/md/md.c b/drivers/md/md.c
+index 700ecae..d8646d7 100644
+--- a/drivers/md/md.c
++++ b/drivers/md/md.c
+@@ -3700,8 +3700,8 @@ array_state_show(struct mddev *mddev, char *page)
+ return sprintf(page, "%s\n", array_states[st]);
+ }
+
+-static int do_md_stop(struct mddev * mddev, int ro, int is_open);
+-static int md_set_readonly(struct mddev * mddev, int is_open);
++static int do_md_stop(struct mddev * mddev, int ro, struct block_device *bdev);
++static int md_set_readonly(struct mddev * mddev, struct block_device *bdev);
+ static int do_md_run(struct mddev * mddev);
+ static int restart_array(struct mddev *mddev);
+
+@@ -3717,14 +3717,14 @@ array_state_store(struct mddev *mddev, const char *buf, size_t len)
+ /* stopping an active array */
+ if (atomic_read(&mddev->openers) > 0)
+ return -EBUSY;
+- err = do_md_stop(mddev, 0, 0);
++ err = do_md_stop(mddev, 0, NULL);
+ break;
+ case inactive:
+ /* stopping an active array */
+ if (mddev->pers) {
+ if (atomic_read(&mddev->openers) > 0)
+ return -EBUSY;
+- err = do_md_stop(mddev, 2, 0);
++ err = do_md_stop(mddev, 2, NULL);
+ } else
+ err = 0; /* already inactive */
+ break;
+@@ -3732,7 +3732,7 @@ array_state_store(struct mddev *mddev, const char *buf, size_t len)
+ break; /* not supported yet */
+ case readonly:
+ if (mddev->pers)
+- err = md_set_readonly(mddev, 0);
++ err = md_set_readonly(mddev, NULL);
+ else {
+ mddev->ro = 1;
+ set_disk_ro(mddev->gendisk, 1);
+@@ -3742,7 +3742,7 @@ array_state_store(struct mddev *mddev, const char *buf, size_t len)
+ case read_auto:
+ if (mddev->pers) {
+ if (mddev->ro == 0)
+- err = md_set_readonly(mddev, 0);
++ err = md_set_readonly(mddev, NULL);
+ else if (mddev->ro == 1)
+ err = restart_array(mddev);
+ if (err == 0) {
+@@ -5078,15 +5078,17 @@ void md_stop(struct mddev *mddev)
+ }
+ EXPORT_SYMBOL_GPL(md_stop);
+
+-static int md_set_readonly(struct mddev *mddev, int is_open)
++static int md_set_readonly(struct mddev *mddev, struct block_device *bdev)
+ {
+ int err = 0;
+ mutex_lock(&mddev->open_mutex);
+- if (atomic_read(&mddev->openers) > is_open) {
++ if (atomic_read(&mddev->openers) > !!bdev) {
+ printk("md: %s still in use.\n",mdname(mddev));
+ err = -EBUSY;
+ goto out;
+ }
++ if (bdev)
++ sync_blockdev(bdev);
+ if (mddev->pers) {
+ __md_stop_writes(mddev);
+
+@@ -5108,18 +5110,26 @@ out:
+ * 0 - completely stop and dis-assemble array
+ * 2 - stop but do not disassemble array
+ */
+-static int do_md_stop(struct mddev * mddev, int mode, int is_open)
++static int do_md_stop(struct mddev * mddev, int mode,
++ struct block_device *bdev)
+ {
+ struct gendisk *disk = mddev->gendisk;
+ struct md_rdev *rdev;
+
+ mutex_lock(&mddev->open_mutex);
+- if (atomic_read(&mddev->openers) > is_open ||
++ if (atomic_read(&mddev->openers) > !!bdev ||
+ mddev->sysfs_active) {
+ printk("md: %s still in use.\n",mdname(mddev));
+ mutex_unlock(&mddev->open_mutex);
+ return -EBUSY;
+ }
++ if (bdev)
++ /* It is possible IO was issued on some other
++ * open file which was closed before we took ->open_mutex.
++ * As that was not the last close __blkdev_put will not
++ * have called sync_blockdev, so we must.
++ */
++ sync_blockdev(bdev);
+
+ if (mddev->pers) {
+ if (mddev->ro)
+@@ -5193,7 +5203,7 @@ static void autorun_array(struct mddev *mddev)
+ err = do_md_run(mddev);
+ if (err) {
+ printk(KERN_WARNING "md: do_md_run() returned %d\n", err);
+- do_md_stop(mddev, 0, 0);
++ do_md_stop(mddev, 0, NULL);
+ }
+ }
+
+@@ -6184,11 +6194,11 @@ static int md_ioctl(struct block_device *bdev, fmode_t mode,
+ goto done_unlock;
+
+ case STOP_ARRAY:
+- err = do_md_stop(mddev, 0, 1);
++ err = do_md_stop(mddev, 0, bdev);
+ goto done_unlock;
+
+ case STOP_ARRAY_RO:
+- err = md_set_readonly(mddev, 1);
++ err = md_set_readonly(mddev, bdev);
+ goto done_unlock;
+
+ case BLKROSET:
+diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
+index 7af60ec..2d97bf0 100644
+--- a/drivers/md/raid1.c
++++ b/drivers/md/raid1.c
+@@ -1713,8 +1713,14 @@ static void sync_request_write(struct mddev *mddev, struct r1bio *r1_bio)
+
+ if (atomic_dec_and_test(&r1_bio->remaining)) {
+ /* if we're here, all write(s) have completed, so clean up */
+- md_done_sync(mddev, r1_bio->sectors, 1);
+- put_buf(r1_bio);
++ int s = r1_bio->sectors;
++ if (test_bit(R1BIO_MadeGood, &r1_bio->state) ||
++ test_bit(R1BIO_WriteError, &r1_bio->state))
++ reschedule_retry(r1_bio);
++ else {
++ put_buf(r1_bio);
++ md_done_sync(mddev, s, 1);
++ }
+ }
+ }
+
+@@ -2378,9 +2384,10 @@ static sector_t sync_request(struct mddev *mddev, sector_t sector_nr, int *skipp
+ */
+ if (test_bit(MD_RECOVERY_REQUESTED, &mddev->recovery)) {
+ atomic_set(&r1_bio->remaining, read_targets);
+- for (i=0; i<conf->raid_disks; i++) {
++ for (i = 0; i < conf->raid_disks && read_targets; i++) {
+ bio = r1_bio->bios[i];
+ if (bio->bi_end_io == end_sync_read) {
++ read_targets--;
+ md_sync_acct(bio->bi_bdev, nr_sectors);
+ generic_make_request(bio);
+ }
+diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
+index 6ba4954..26ef63a 100644
+--- a/drivers/md/raid5.c
++++ b/drivers/md/raid5.c
+@@ -196,12 +196,14 @@ static void __release_stripe(struct r5conf *conf, struct stripe_head *sh)
+ BUG_ON(!list_empty(&sh->lru));
+ BUG_ON(atomic_read(&conf->active_stripes)==0);
+ if (test_bit(STRIPE_HANDLE, &sh->state)) {
+- if (test_bit(STRIPE_DELAYED, &sh->state))
++ if (test_bit(STRIPE_DELAYED, &sh->state) &&
++ !test_bit(STRIPE_PREREAD_ACTIVE, &sh->state))
+ list_add_tail(&sh->lru, &conf->delayed_list);
+ else if (test_bit(STRIPE_BIT_DELAY, &sh->state) &&
+ sh->bm_seq - conf->seq_write > 0)
+ list_add_tail(&sh->lru, &conf->bitmap_list);
+ else {
++ clear_bit(STRIPE_DELAYED, &sh->state);
+ clear_bit(STRIPE_BIT_DELAY, &sh->state);
+ list_add_tail(&sh->lru, &conf->handle_list);
+ }
+diff --git a/drivers/media/dvb/dvb-core/dvbdev.c b/drivers/media/dvb/dvb-core/dvbdev.c
+index f732877..d5cda35 100644
+--- a/drivers/media/dvb/dvb-core/dvbdev.c
++++ b/drivers/media/dvb/dvb-core/dvbdev.c
+@@ -243,6 +243,7 @@ int dvb_register_device(struct dvb_adapter *adap, struct dvb_device **pdvbdev,
+ if (minor == MAX_DVB_MINORS) {
+ kfree(dvbdevfops);
+ kfree(dvbdev);
++ up_write(&minor_rwsem);
+ mutex_unlock(&dvbdev_register_lock);
+ return -EINVAL;
+ }
+diff --git a/drivers/mtd/nand/nandsim.c b/drivers/mtd/nand/nandsim.c
+index 34c03be..83e8e1b 100644
+--- a/drivers/mtd/nand/nandsim.c
++++ b/drivers/mtd/nand/nandsim.c
+@@ -28,7 +28,7 @@
+ #include <linux/module.h>
+ #include <linux/moduleparam.h>
+ #include <linux/vmalloc.h>
+-#include <asm/div64.h>
++#include <linux/math64.h>
+ #include <linux/slab.h>
+ #include <linux/errno.h>
+ #include <linux/string.h>
+@@ -547,12 +547,6 @@ static char *get_partition_name(int i)
+ return kstrdup(buf, GFP_KERNEL);
+ }
+
+-static uint64_t divide(uint64_t n, uint32_t d)
+-{
+- do_div(n, d);
+- return n;
+-}
+-
+ /*
+ * Initialize the nandsim structure.
+ *
+@@ -581,7 +575,7 @@ static int init_nandsim(struct mtd_info *mtd)
+ ns->geom.oobsz = mtd->oobsize;
+ ns->geom.secsz = mtd->erasesize;
+ ns->geom.pgszoob = ns->geom.pgsz + ns->geom.oobsz;
+- ns->geom.pgnum = divide(ns->geom.totsz, ns->geom.pgsz);
++ ns->geom.pgnum = div_u64(ns->geom.totsz, ns->geom.pgsz);
+ ns->geom.totszoob = ns->geom.totsz + (uint64_t)ns->geom.pgnum * ns->geom.oobsz;
+ ns->geom.secshift = ffs(ns->geom.secsz) - 1;
+ ns->geom.pgshift = chip->page_shift;
+@@ -924,7 +918,7 @@ static int setup_wear_reporting(struct mtd_info *mtd)
+
+ if (!rptwear)
+ return 0;
+- wear_eb_count = divide(mtd->size, mtd->erasesize);
++ wear_eb_count = div_u64(mtd->size, mtd->erasesize);
+ mem = wear_eb_count * sizeof(unsigned long);
+ if (mem / sizeof(unsigned long) != wear_eb_count) {
+ NS_ERR("Too many erase blocks for wear reporting\n");
+diff --git a/drivers/net/bonding/bond_debugfs.c b/drivers/net/bonding/bond_debugfs.c
+index 3680aa2..2cf084e 100644
+--- a/drivers/net/bonding/bond_debugfs.c
++++ b/drivers/net/bonding/bond_debugfs.c
+@@ -6,7 +6,7 @@
+ #include "bonding.h"
+ #include "bond_alb.h"
+
+-#ifdef CONFIG_DEBUG_FS
++#if defined(CONFIG_DEBUG_FS) && !defined(CONFIG_NET_NS)
+
+ #include <linux/debugfs.h>
+ #include <linux/seq_file.h>
+diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
+index 1a88e38..6c284d1 100644
+--- a/drivers/net/bonding/bond_main.c
++++ b/drivers/net/bonding/bond_main.c
+@@ -3184,6 +3184,12 @@ static int bond_master_netdev_event(unsigned long event,
+ switch (event) {
+ case NETDEV_CHANGENAME:
+ return bond_event_changename(event_bond);
++ case NETDEV_UNREGISTER:
++ bond_remove_proc_entry(event_bond);
++ break;
++ case NETDEV_REGISTER:
++ bond_create_proc_entry(event_bond);
++ break;
+ default:
+ break;
+ }
+@@ -4391,8 +4397,6 @@ static void bond_uninit(struct net_device *bond_dev)
+
+ bond_work_cancel_all(bond);
+
+- bond_remove_proc_entry(bond);
+-
+ bond_debug_unregister(bond);
+
+ __hw_addr_flush(&bond->mc_list);
+@@ -4794,7 +4798,6 @@ static int bond_init(struct net_device *bond_dev)
+
+ bond_set_lockdep_class(bond_dev);
+
+- bond_create_proc_entry(bond);
+ list_add_tail(&bond->bond_list, &bn->dev_list);
+
+ bond_prepare_sysfs_group(bond);
+diff --git a/drivers/net/ethernet/atheros/atl1c/atl1c_main.c b/drivers/net/ethernet/atheros/atl1c/atl1c_main.c
+index eccdcff..5ae7df7 100644
+--- a/drivers/net/ethernet/atheros/atl1c/atl1c_main.c
++++ b/drivers/net/ethernet/atheros/atl1c/atl1c_main.c
+@@ -267,7 +267,6 @@ static void atl1c_check_link_status(struct atl1c_adapter *adapter)
+ dev_warn(&pdev->dev, "stop mac failed\n");
+ atl1c_set_aspm(hw, false);
+ netif_carrier_off(netdev);
+- netif_stop_queue(netdev);
+ atl1c_phy_reset(hw);
+ atl1c_phy_init(&adapter->hw);
+ } else {
+diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
+index aec7212..8dda46a 100644
+--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
++++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x.h
+@@ -723,21 +723,6 @@ struct bnx2x_fastpath {
+
+ #define ETH_RX_ERROR_FALGS ETH_FAST_PATH_RX_CQE_PHY_DECODE_ERR_FLG
+
+-#define BNX2X_IP_CSUM_ERR(cqe) \
+- (!((cqe)->fast_path_cqe.status_flags & \
+- ETH_FAST_PATH_RX_CQE_IP_XSUM_NO_VALIDATION_FLG) && \
+- ((cqe)->fast_path_cqe.type_error_flags & \
+- ETH_FAST_PATH_RX_CQE_IP_BAD_XSUM_FLG))
+-
+-#define BNX2X_L4_CSUM_ERR(cqe) \
+- (!((cqe)->fast_path_cqe.status_flags & \
+- ETH_FAST_PATH_RX_CQE_L4_XSUM_NO_VALIDATION_FLG) && \
+- ((cqe)->fast_path_cqe.type_error_flags & \
+- ETH_FAST_PATH_RX_CQE_L4_BAD_XSUM_FLG))
+-
+-#define BNX2X_RX_CSUM_OK(cqe) \
+- (!(BNX2X_L4_CSUM_ERR(cqe) || BNX2X_IP_CSUM_ERR(cqe)))
+-
+ #define BNX2X_PRS_FLAG_OVERETH_IPV4(flags) \
+ (((le16_to_cpu(flags) & \
+ PARSING_FLAGS_OVER_ETHERNET_PROTOCOL) >> \
+diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
+index 580b44e..2c1a5c0 100644
+--- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
++++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c
+@@ -220,7 +220,7 @@ int bnx2x_tx_int(struct bnx2x *bp, struct bnx2x_fp_txdata *txdata)
+
+ if ((netif_tx_queue_stopped(txq)) &&
+ (bp->state == BNX2X_STATE_OPEN) &&
+- (bnx2x_tx_avail(bp, txdata) >= MAX_SKB_FRAGS + 3))
++ (bnx2x_tx_avail(bp, txdata) >= MAX_SKB_FRAGS + 4))
+ netif_tx_wake_queue(txq);
+
+ __netif_tx_unlock(txq);
+@@ -551,6 +551,26 @@ static inline void bnx2x_set_skb_rxhash(struct bnx2x *bp, union eth_rx_cqe *cqe,
+ le32_to_cpu(cqe->fast_path_cqe.rss_hash_result);
+ }
+
++static void bnx2x_csum_validate(struct sk_buff *skb, union eth_rx_cqe *cqe,
++ struct bnx2x_fastpath *fp)
++{
++ /* Do nothing if no IP/L4 csum validation was done */
++
++ if (cqe->fast_path_cqe.status_flags &
++ (ETH_FAST_PATH_RX_CQE_IP_XSUM_NO_VALIDATION_FLG |
++ ETH_FAST_PATH_RX_CQE_L4_XSUM_NO_VALIDATION_FLG))
++ return;
++
++ /* If both IP/L4 validation were done, check if an error was found. */
++
++ if (cqe->fast_path_cqe.type_error_flags &
++ (ETH_FAST_PATH_RX_CQE_IP_BAD_XSUM_FLG |
++ ETH_FAST_PATH_RX_CQE_L4_BAD_XSUM_FLG))
++ fp->eth_q_stats.hw_csum_err++;
++ else
++ skb->ip_summed = CHECKSUM_UNNECESSARY;
++}
++
+ int bnx2x_rx_int(struct bnx2x_fastpath *fp, int budget)
+ {
+ struct bnx2x *bp = fp->bp;
+@@ -746,13 +766,9 @@ reuse_rx:
+
+ skb_checksum_none_assert(skb);
+
+- if (bp->dev->features & NETIF_F_RXCSUM) {
++ if (bp->dev->features & NETIF_F_RXCSUM)
++ bnx2x_csum_validate(skb, cqe, fp);
+
+- if (likely(BNX2X_RX_CSUM_OK(cqe)))
+- skb->ip_summed = CHECKSUM_UNNECESSARY;
+- else
+- fp->eth_q_stats.hw_csum_err++;
+- }
+ }
+
+ skb_record_rx_queue(skb, fp->index);
+@@ -2238,8 +2254,6 @@ int bnx2x_poll(struct napi_struct *napi, int budget)
+ /* we split the first BD into headers and data BDs
+ * to ease the pain of our fellow microcode engineers
+ * we use one mapping for both BDs
+- * So far this has only been observed to happen
+- * in Other Operating Systems(TM)
+ */
+ static noinline u16 bnx2x_tx_split(struct bnx2x *bp,
+ struct bnx2x_fp_txdata *txdata,
+@@ -2890,7 +2904,7 @@ netdev_tx_t bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev)
+
+ txdata->tx_bd_prod += nbd;
+
+- if (unlikely(bnx2x_tx_avail(bp, txdata) < MAX_SKB_FRAGS + 3)) {
++ if (unlikely(bnx2x_tx_avail(bp, txdata) < MAX_SKB_FRAGS + 4)) {
+ netif_tx_stop_queue(txq);
+
+ /* paired memory barrier is in bnx2x_tx_int(), we have to keep
+@@ -2899,7 +2913,7 @@ netdev_tx_t bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev)
+ smp_mb();
+
+ fp->eth_q_stats.driver_xoff++;
+- if (bnx2x_tx_avail(bp, txdata) >= MAX_SKB_FRAGS + 3)
++ if (bnx2x_tx_avail(bp, txdata) >= MAX_SKB_FRAGS + 4)
+ netif_tx_wake_queue(txq);
+ }
+ txdata->tx_pkt++;
+diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c
+index 2dcac28..6b258d9 100644
+--- a/drivers/net/ethernet/broadcom/tg3.c
++++ b/drivers/net/ethernet/broadcom/tg3.c
+@@ -14046,7 +14046,8 @@ static int __devinit tg3_get_invariants(struct tg3 *tp)
+ }
+ }
+
+- if (tg3_flag(tp, 5755_PLUS))
++ if (tg3_flag(tp, 5755_PLUS) ||
++ GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5906)
+ tg3_flag_set(tp, SHORT_DMA_BUG);
+
+ if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5719)
+diff --git a/drivers/net/ethernet/intel/e1000e/82571.c b/drivers/net/ethernet/intel/e1000e/82571.c
+index e556fc3..3072d35 100644
+--- a/drivers/net/ethernet/intel/e1000e/82571.c
++++ b/drivers/net/ethernet/intel/e1000e/82571.c
+@@ -1571,6 +1571,9 @@ static s32 e1000_check_for_serdes_link_82571(struct e1000_hw *hw)
+ ctrl = er32(CTRL);
+ status = er32(STATUS);
+ rxcw = er32(RXCW);
++ /* SYNCH bit and IV bit are sticky */
++ udelay(10);
++ rxcw = er32(RXCW);
+
+ if ((rxcw & E1000_RXCW_SYNCH) && !(rxcw & E1000_RXCW_IV)) {
+
+diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
+index cc2565c..9e61d6b 100644
+--- a/drivers/net/ethernet/realtek/r8169.c
++++ b/drivers/net/ethernet/realtek/r8169.c
+@@ -4185,6 +4185,7 @@ out:
+ return rc;
+
+ err_out_msi_4:
++ netif_napi_del(&tp->napi);
+ rtl_disable_msi(pdev, tp);
+ iounmap(ioaddr);
+ err_out_free_res_3:
+@@ -4210,6 +4211,8 @@ static void __devexit rtl8169_remove_one(struct pci_dev *pdev)
+
+ cancel_delayed_work_sync(&tp->task);
+
++ netif_napi_del(&tp->napi);
++
+ unregister_netdev(dev);
+
+ rtl_release_firmware(tp);
+diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+index 72cd190..d4d2bc1 100644
+--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
++++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+@@ -1174,6 +1174,7 @@ static netdev_tx_t stmmac_xmit(struct sk_buff *skb, struct net_device *dev)
+ priv->hw->desc->prepare_tx_desc(desc, 0, len, csum_insertion);
+ wmb();
+ priv->hw->desc->set_tx_owner(desc);
++ wmb();
+ }
+
+ /* Interrupt on completition only for the latest segment */
+@@ -1189,6 +1190,7 @@ static netdev_tx_t stmmac_xmit(struct sk_buff *skb, struct net_device *dev)
+
+ /* To avoid raise condition */
+ priv->hw->desc->set_tx_owner(first);
++ wmb();
+
+ priv->cur_tx++;
+
+@@ -1252,6 +1254,7 @@ static inline void stmmac_rx_refill(struct stmmac_priv *priv)
+ }
+ wmb();
+ priv->hw->desc->set_rx_owner(p + entry);
++ wmb();
+ }
+ }
+
+diff --git a/drivers/net/macvtap.c b/drivers/net/macvtap.c
+index 1b7082d..26106c0 100644
+--- a/drivers/net/macvtap.c
++++ b/drivers/net/macvtap.c
+@@ -504,10 +504,11 @@ static int zerocopy_sg_from_iovec(struct sk_buff *skb, const struct iovec *from,
+ if (copy > size) {
+ ++from;
+ --count;
+- }
++ offset = 0;
++ } else
++ offset += size;
+ copy -= size;
+ offset1 += size;
+- offset = 0;
+ }
+
+ if (len == offset1)
+@@ -517,24 +518,29 @@ static int zerocopy_sg_from_iovec(struct sk_buff *skb, const struct iovec *from,
+ struct page *page[MAX_SKB_FRAGS];
+ int num_pages;
+ unsigned long base;
++ unsigned long truesize;
+
+- len = from->iov_len - offset1;
++ len = from->iov_len - offset;
+ if (!len) {
+- offset1 = 0;
++ offset = 0;
+ ++from;
+ continue;
+ }
+- base = (unsigned long)from->iov_base + offset1;
++ base = (unsigned long)from->iov_base + offset;
+ size = ((base & ~PAGE_MASK) + len + ~PAGE_MASK) >> PAGE_SHIFT;
++ if (i + size > MAX_SKB_FRAGS)
++ return -EMSGSIZE;
+ num_pages = get_user_pages_fast(base, size, 0, &page[i]);
+- if ((num_pages != size) ||
+- (num_pages > MAX_SKB_FRAGS - skb_shinfo(skb)->nr_frags))
+- /* put_page is in skb free */
++ if (num_pages != size) {
++ for (i = 0; i < num_pages; i++)
++ put_page(page[i]);
+ return -EFAULT;
++ }
++ truesize = size * PAGE_SIZE;
+ skb->data_len += len;
+ skb->len += len;
+- skb->truesize += len;
+- atomic_add(len, &skb->sk->sk_wmem_alloc);
++ skb->truesize += truesize;
++ atomic_add(truesize, &skb->sk->sk_wmem_alloc);
+ while (len) {
+ int off = base & ~PAGE_MASK;
+ int size = min_t(int, len, PAGE_SIZE - off);
+@@ -545,7 +551,7 @@ static int zerocopy_sg_from_iovec(struct sk_buff *skb, const struct iovec *from,
+ len -= size;
+ i++;
+ }
+- offset1 = 0;
++ offset = 0;
+ ++from;
+ }
+ return 0;
+@@ -645,7 +651,7 @@ static ssize_t macvtap_get_user(struct macvtap_queue *q, struct msghdr *m,
+ int err;
+ struct virtio_net_hdr vnet_hdr = { 0 };
+ int vnet_hdr_len = 0;
+- int copylen;
++ int copylen = 0;
+ bool zerocopy = false;
+
+ if (q->flags & IFF_VNET_HDR) {
+@@ -674,15 +680,31 @@ static ssize_t macvtap_get_user(struct macvtap_queue *q, struct msghdr *m,
+ if (unlikely(len < ETH_HLEN))
+ goto err;
+
++ err = -EMSGSIZE;
++ if (unlikely(count > UIO_MAXIOV))
++ goto err;
++
+ if (m && m->msg_control && sock_flag(&q->sk, SOCK_ZEROCOPY))
+ zerocopy = true;
+
+ if (zerocopy) {
++ /* Userspace may produce vectors with count greater than
++ * MAX_SKB_FRAGS, so we need to linearize parts of the skb
++ * to let the rest of data to be fit in the frags.
++ */
++ if (count > MAX_SKB_FRAGS) {
++ copylen = iov_length(iv, count - MAX_SKB_FRAGS);
++ if (copylen < vnet_hdr_len)
++ copylen = 0;
++ else
++ copylen -= vnet_hdr_len;
++ }
+ /* There are 256 bytes to be copied in skb, so there is enough
+ * room for skb expand head in case it is used.
+ * The rest buffer is mapped from userspace.
+ */
+- copylen = vnet_hdr.hdr_len;
++ if (copylen < vnet_hdr.hdr_len)
++ copylen = vnet_hdr.hdr_len;
+ if (!copylen)
+ copylen = GOODCOPY_LEN;
+ } else
+@@ -693,10 +715,9 @@ static ssize_t macvtap_get_user(struct macvtap_queue *q, struct msghdr *m,
+ if (!skb)
+ goto err;
+
+- if (zerocopy) {
++ if (zerocopy)
+ err = zerocopy_sg_from_iovec(skb, iv, vnet_hdr_len, count);
+- skb_shinfo(skb)->tx_flags |= SKBTX_DEV_ZEROCOPY;
+- } else
++ else
+ err = skb_copy_datagram_from_iovec(skb, 0, iv, vnet_hdr_len,
+ len);
+ if (err)
+@@ -715,8 +736,10 @@ static ssize_t macvtap_get_user(struct macvtap_queue *q, struct msghdr *m,
+ rcu_read_lock_bh();
+ vlan = rcu_dereference_bh(q->vlan);
+ /* copy skb_ubuf_info for callback when skb has no error */
+- if (zerocopy)
++ if (zerocopy) {
+ skb_shinfo(skb)->destructor_arg = m->msg_control;
++ skb_shinfo(skb)->tx_flags |= SKBTX_DEV_ZEROCOPY;
++ }
+ if (vlan)
+ macvlan_start_xmit(skb, vlan->dev);
+ else
+diff --git a/drivers/net/usb/ipheth.c b/drivers/net/usb/ipheth.c
+index ad96164..00ed9c1 100644
+--- a/drivers/net/usb/ipheth.c
++++ b/drivers/net/usb/ipheth.c
+@@ -59,6 +59,7 @@
+ #define USB_PRODUCT_IPHONE_3G 0x1292
+ #define USB_PRODUCT_IPHONE_3GS 0x1294
+ #define USB_PRODUCT_IPHONE_4 0x1297
++#define USB_PRODUCT_IPAD 0x129a
+ #define USB_PRODUCT_IPHONE_4_VZW 0x129c
+ #define USB_PRODUCT_IPHONE_4S 0x12a0
+
+@@ -101,6 +102,10 @@ static struct usb_device_id ipheth_table[] = {
+ IPHETH_USBINTF_CLASS, IPHETH_USBINTF_SUBCLASS,
+ IPHETH_USBINTF_PROTO) },
+ { USB_DEVICE_AND_INTERFACE_INFO(
++ USB_VENDOR_APPLE, USB_PRODUCT_IPAD,
++ IPHETH_USBINTF_CLASS, IPHETH_USBINTF_SUBCLASS,
++ IPHETH_USBINTF_PROTO) },
++ { USB_DEVICE_AND_INTERFACE_INFO(
+ USB_VENDOR_APPLE, USB_PRODUCT_IPHONE_4_VZW,
+ IPHETH_USBINTF_CLASS, IPHETH_USBINTF_SUBCLASS,
+ IPHETH_USBINTF_PROTO) },
+diff --git a/drivers/net/wireless/brcm80211/brcmsmac/main.c b/drivers/net/wireless/brcm80211/brcmsmac/main.c
+index 833cbef..8a40ff9 100644
+--- a/drivers/net/wireless/brcm80211/brcmsmac/main.c
++++ b/drivers/net/wireless/brcm80211/brcmsmac/main.c
+@@ -900,8 +900,7 @@ brcms_c_dotxstatus(struct brcms_c_info *wlc, struct tx_status *txs)
+ */
+ if (!(txs->status & TX_STATUS_AMPDU)
+ && (txs->status & TX_STATUS_INTERMEDIATE)) {
+- wiphy_err(wlc->wiphy, "%s: INTERMEDIATE but not AMPDU\n",
+- __func__);
++ BCMMSG(wlc->wiphy, "INTERMEDIATE but not AMPDU\n");
+ return false;
+ }
+
+diff --git a/drivers/net/wireless/ipw2x00/ipw.h b/drivers/net/wireless/ipw2x00/ipw.h
+new file mode 100644
+index 0000000..4007bf5
+--- /dev/null
++++ b/drivers/net/wireless/ipw2x00/ipw.h
+@@ -0,0 +1,23 @@
++/*
++ * Intel Pro/Wireless 2100, 2200BG, 2915ABG network connection driver
++ *
++ * Copyright 2012 Stanislav Yakovlev <stas.yakovlev@gmail.com>
++ *
++ * This program is free software; you can redistribute it and/or modify
++ * it under the terms of the GNU General Public License version 2 as
++ * published by the Free Software Foundation.
++ */
++
++#ifndef __IPW_H__
++#define __IPW_H__
++
++#include <linux/ieee80211.h>
++
++static const u32 ipw_cipher_suites[] = {
++ WLAN_CIPHER_SUITE_WEP40,
++ WLAN_CIPHER_SUITE_WEP104,
++ WLAN_CIPHER_SUITE_TKIP,
++ WLAN_CIPHER_SUITE_CCMP,
++};
++
++#endif
+diff --git a/drivers/net/wireless/ipw2x00/ipw2100.c b/drivers/net/wireless/ipw2x00/ipw2100.c
+index 127e9c6..10862d4 100644
+--- a/drivers/net/wireless/ipw2x00/ipw2100.c
++++ b/drivers/net/wireless/ipw2x00/ipw2100.c
+@@ -166,6 +166,7 @@ that only one external action is invoked at a time.
+ #include <net/lib80211.h>
+
+ #include "ipw2100.h"
++#include "ipw.h"
+
+ #define IPW2100_VERSION "git-1.2.2"
+
+@@ -1955,6 +1956,9 @@ static int ipw2100_wdev_init(struct net_device *dev)
+ wdev->wiphy->bands[IEEE80211_BAND_2GHZ] = bg_band;
+ }
+
++ wdev->wiphy->cipher_suites = ipw_cipher_suites;
++ wdev->wiphy->n_cipher_suites = ARRAY_SIZE(ipw_cipher_suites);
++
+ set_wiphy_dev(wdev->wiphy, &priv->pci_dev->dev);
+ if (wiphy_register(wdev->wiphy)) {
+ ipw2100_down(priv);
+diff --git a/drivers/net/wireless/ipw2x00/ipw2200.c b/drivers/net/wireless/ipw2x00/ipw2200.c
+index 827889b..56bd370 100644
+--- a/drivers/net/wireless/ipw2x00/ipw2200.c
++++ b/drivers/net/wireless/ipw2x00/ipw2200.c
+@@ -34,6 +34,7 @@
+ #include <linux/slab.h>
+ #include <net/cfg80211-wext.h>
+ #include "ipw2200.h"
++#include "ipw.h"
+
+
+ #ifndef KBUILD_EXTMOD
+@@ -11535,6 +11536,9 @@ static int ipw_wdev_init(struct net_device *dev)
+ wdev->wiphy->bands[IEEE80211_BAND_5GHZ] = a_band;
+ }
+
++ wdev->wiphy->cipher_suites = ipw_cipher_suites;
++ wdev->wiphy->n_cipher_suites = ARRAY_SIZE(ipw_cipher_suites);
++
+ set_wiphy_dev(wdev->wiphy, &priv->pci_dev->dev);
+
+ /* With that information in place, we can now register the wiphy... */
+diff --git a/drivers/net/wireless/iwlegacy/iwl-4965-sta.c b/drivers/net/wireless/iwlegacy/iwl-4965-sta.c
+index a262c23..0116ca8 100644
+--- a/drivers/net/wireless/iwlegacy/iwl-4965-sta.c
++++ b/drivers/net/wireless/iwlegacy/iwl-4965-sta.c
+@@ -466,7 +466,7 @@ int iwl4965_remove_dynamic_key(struct iwl_priv *priv,
+ return 0;
+ }
+
+- if (priv->stations[sta_id].sta.key.key_offset == WEP_INVALID_OFFSET) {
++ if (priv->stations[sta_id].sta.key.key_flags & STA_KEY_FLG_INVALID) {
+ IWL_WARN(priv, "Removing wrong key %d 0x%x\n",
+ keyconf->keyidx, key_flags);
+ spin_unlock_irqrestore(&priv->sta_lock, flags);
+@@ -483,7 +483,7 @@ int iwl4965_remove_dynamic_key(struct iwl_priv *priv,
+ sizeof(struct iwl4965_keyinfo));
+ priv->stations[sta_id].sta.key.key_flags =
+ STA_KEY_FLG_NO_ENC | STA_KEY_FLG_INVALID;
+- priv->stations[sta_id].sta.key.key_offset = WEP_INVALID_OFFSET;
++ priv->stations[sta_id].sta.key.key_offset = keyconf->hw_key_idx;
+ priv->stations[sta_id].sta.sta.modify_mask = STA_MODIFY_KEY_MASK;
+ priv->stations[sta_id].sta.mode = STA_CONTROL_MODIFY_MSK;
+
+diff --git a/drivers/net/wireless/iwlegacy/iwl-core.c b/drivers/net/wireless/iwlegacy/iwl-core.c
+index 2bd5659..1bb64c9 100644
+--- a/drivers/net/wireless/iwlegacy/iwl-core.c
++++ b/drivers/net/wireless/iwlegacy/iwl-core.c
+@@ -1884,14 +1884,12 @@ void iwl_legacy_bg_watchdog(unsigned long data)
+ return;
+
+ /* monitor and check for other stuck queues */
+- if (iwl_legacy_is_any_associated(priv)) {
+- for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) {
+- /* skip as we already checked the command queue */
+- if (cnt == priv->cmd_queue)
+- continue;
+- if (iwl_legacy_check_stuck_queue(priv, cnt))
+- return;
+- }
++ for (cnt = 0; cnt < priv->hw_params.max_txq_num; cnt++) {
++ /* skip as we already checked the command queue */
++ if (cnt == priv->cmd_queue)
++ continue;
++ if (iwl_legacy_check_stuck_queue(priv, cnt))
++ return;
+ }
+
+ mod_timer(&priv->watchdog, jiffies +
+diff --git a/drivers/net/wireless/rt2x00/rt2x00usb.c b/drivers/net/wireless/rt2x00/rt2x00usb.c
+index 1e31050..ba28807 100644
+--- a/drivers/net/wireless/rt2x00/rt2x00usb.c
++++ b/drivers/net/wireless/rt2x00/rt2x00usb.c
+@@ -426,8 +426,8 @@ void rt2x00usb_kick_queue(struct data_queue *queue)
+ case QID_RX:
+ if (!rt2x00queue_full(queue))
+ rt2x00queue_for_each_entry(queue,
+- Q_INDEX_DONE,
+ Q_INDEX,
++ Q_INDEX_DONE,
+ NULL,
+ rt2x00usb_kick_rx_entry);
+ break;
+diff --git a/drivers/net/wireless/rtl818x/rtl8187/leds.c b/drivers/net/wireless/rtl818x/rtl8187/leds.c
+index 2e0de2f..c2d5b49 100644
+--- a/drivers/net/wireless/rtl818x/rtl8187/leds.c
++++ b/drivers/net/wireless/rtl818x/rtl8187/leds.c
+@@ -117,7 +117,7 @@ static void rtl8187_led_brightness_set(struct led_classdev *led_dev,
+ radio_on = true;
+ } else if (radio_on) {
+ radio_on = false;
+- cancel_delayed_work_sync(&priv->led_on);
++ cancel_delayed_work(&priv->led_on);
+ ieee80211_queue_delayed_work(hw, &priv->led_off, 0);
+ }
+ } else if (radio_on) {
+diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c
+index 12d1e81..d024f83 100644
+--- a/drivers/pci/pci-driver.c
++++ b/drivers/pci/pci-driver.c
+@@ -742,6 +742,18 @@ static int pci_pm_suspend_noirq(struct device *dev)
+
+ pci_pm_set_unknown_state(pci_dev);
+
++ /*
++ * Some BIOSes from ASUS have a bug: If a USB EHCI host controller's
++ * PCI COMMAND register isn't 0, the BIOS assumes that the controller
++ * hasn't been quiesced and tries to turn it off. If the controller
++ * is already in D3, this can hang or cause memory corruption.
++ *
++ * Since the value of the COMMAND register doesn't matter once the
++ * device has been suspended, we can safely set it to 0 here.
++ */
++ if (pci_dev->class == PCI_CLASS_SERIAL_USB_EHCI)
++ pci_write_config_word(pci_dev, PCI_COMMAND, 0);
++
+ return 0;
+ }
+
+diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
+index e5b75eb..6d4a531 100644
+--- a/drivers/pci/pci.c
++++ b/drivers/pci/pci.c
+@@ -1689,11 +1689,6 @@ int pci_prepare_to_sleep(struct pci_dev *dev)
+ if (target_state == PCI_POWER_ERROR)
+ return -EIO;
+
+- /* Some devices mustn't be in D3 during system sleep */
+- if (target_state == PCI_D3hot &&
+- (dev->dev_flags & PCI_DEV_FLAGS_NO_D3_DURING_SLEEP))
+- return 0;
+-
+ pci_enable_wake(dev, target_state, device_may_wakeup(&dev->dev));
+
+ error = pci_set_power_state(dev, target_state);
+diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
+index 3c56fec..78fda9c 100644
+--- a/drivers/pci/quirks.c
++++ b/drivers/pci/quirks.c
+@@ -2940,32 +2940,6 @@ static void __devinit disable_igfx_irq(struct pci_dev *dev)
+ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x0102, disable_igfx_irq);
+ DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x010a, disable_igfx_irq);
+
+-/*
+- * The Intel 6 Series/C200 Series chipset's EHCI controllers on many
+- * ASUS motherboards will cause memory corruption or a system crash
+- * if they are in D3 while the system is put into S3 sleep.
+- */
+-static void __devinit asus_ehci_no_d3(struct pci_dev *dev)
+-{
+- const char *sys_info;
+- static const char good_Asus_board[] = "P8Z68-V";
+-
+- if (dev->dev_flags & PCI_DEV_FLAGS_NO_D3_DURING_SLEEP)
+- return;
+- if (dev->subsystem_vendor != PCI_VENDOR_ID_ASUSTEK)
+- return;
+- sys_info = dmi_get_system_info(DMI_BOARD_NAME);
+- if (sys_info && memcmp(sys_info, good_Asus_board,
+- sizeof(good_Asus_board) - 1) == 0)
+- return;
+-
+- dev_info(&dev->dev, "broken D3 during system sleep on ASUS\n");
+- dev->dev_flags |= PCI_DEV_FLAGS_NO_D3_DURING_SLEEP;
+- device_set_wakeup_capable(&dev->dev, false);
+-}
+-DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x1c26, asus_ehci_no_d3);
+-DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_INTEL, 0x1c2d, asus_ehci_no_d3);
+-
+ static void pci_do_fixups(struct pci_dev *dev, struct pci_fixup *f,
+ struct pci_fixup *end)
+ {
+diff --git a/drivers/platform/x86/intel_ips.c b/drivers/platform/x86/intel_ips.c
+index 809a3ae..b46ec11 100644
+--- a/drivers/platform/x86/intel_ips.c
++++ b/drivers/platform/x86/intel_ips.c
+@@ -72,6 +72,7 @@
+ #include <linux/string.h>
+ #include <linux/tick.h>
+ #include <linux/timer.h>
++#include <linux/dmi.h>
+ #include <drm/i915_drm.h>
+ #include <asm/msr.h>
+ #include <asm/processor.h>
+@@ -1505,6 +1506,24 @@ static DEFINE_PCI_DEVICE_TABLE(ips_id_table) = {
+
+ MODULE_DEVICE_TABLE(pci, ips_id_table);
+
++static int ips_blacklist_callback(const struct dmi_system_id *id)
++{
++ pr_info("Blacklisted intel_ips for %s\n", id->ident);
++ return 1;
++}
++
++static const struct dmi_system_id ips_blacklist[] = {
++ {
++ .callback = ips_blacklist_callback,
++ .ident = "HP ProBook",
++ .matches = {
++ DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
++ DMI_MATCH(DMI_PRODUCT_NAME, "HP ProBook"),
++ },
++ },
++ { } /* terminating entry */
++};
++
+ static int ips_probe(struct pci_dev *dev, const struct pci_device_id *id)
+ {
+ u64 platform_info;
+@@ -1514,6 +1533,9 @@ static int ips_probe(struct pci_dev *dev, const struct pci_device_id *id)
+ u16 htshi, trc, trc_required_mask;
+ u8 tse;
+
++ if (dmi_check_system(ips_blacklist))
++ return -ENODEV;
++
+ ips = kzalloc(sizeof(struct ips_driver), GFP_KERNEL);
+ if (!ips)
+ return -ENOMEM;
+diff --git a/drivers/platform/x86/samsung-laptop.c b/drivers/platform/x86/samsung-laptop.c
+index 09e26bf..af1e296 100644
+--- a/drivers/platform/x86/samsung-laptop.c
++++ b/drivers/platform/x86/samsung-laptop.c
+@@ -540,245 +540,34 @@ static DEVICE_ATTR(performance_level, S_IWUSR | S_IRUGO,
+ get_performance_level, set_performance_level);
+
+
+-static int __init dmi_check_cb(const struct dmi_system_id *id)
+-{
+- pr_info("found laptop model '%s'\n",
+- id->ident);
+- return 1;
+-}
+-
+ static struct dmi_system_id __initdata samsung_dmi_table[] = {
+ {
+- .ident = "N128",
+- .matches = {
+- DMI_MATCH(DMI_SYS_VENDOR,
+- "SAMSUNG ELECTRONICS CO., LTD."),
+- DMI_MATCH(DMI_PRODUCT_NAME, "N128"),
+- DMI_MATCH(DMI_BOARD_NAME, "N128"),
+- },
+- .callback = dmi_check_cb,
+- },
+- {
+- .ident = "N130",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR,
+ "SAMSUNG ELECTRONICS CO., LTD."),
+- DMI_MATCH(DMI_PRODUCT_NAME, "N130"),
+- DMI_MATCH(DMI_BOARD_NAME, "N130"),
++ DMI_MATCH(DMI_CHASSIS_TYPE, "8"), /* Portable */
+ },
+- .callback = dmi_check_cb,
+ },
+ {
+- .ident = "N510",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR,
+ "SAMSUNG ELECTRONICS CO., LTD."),
+- DMI_MATCH(DMI_PRODUCT_NAME, "N510"),
+- DMI_MATCH(DMI_BOARD_NAME, "N510"),
++ DMI_MATCH(DMI_CHASSIS_TYPE, "9"), /* Laptop */
+ },
+- .callback = dmi_check_cb,
+ },
+ {
+- .ident = "X125",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR,
+ "SAMSUNG ELECTRONICS CO., LTD."),
+- DMI_MATCH(DMI_PRODUCT_NAME, "X125"),
+- DMI_MATCH(DMI_BOARD_NAME, "X125"),
++ DMI_MATCH(DMI_CHASSIS_TYPE, "10"), /* Notebook */
+ },
+- .callback = dmi_check_cb,
+ },
+ {
+- .ident = "X120/X170",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR,
+ "SAMSUNG ELECTRONICS CO., LTD."),
+- DMI_MATCH(DMI_PRODUCT_NAME, "X120/X170"),
+- DMI_MATCH(DMI_BOARD_NAME, "X120/X170"),
+- },
+- .callback = dmi_check_cb,
+- },
+- {
+- .ident = "NC10",
+- .matches = {
+- DMI_MATCH(DMI_SYS_VENDOR,
+- "SAMSUNG ELECTRONICS CO., LTD."),
+- DMI_MATCH(DMI_PRODUCT_NAME, "NC10"),
+- DMI_MATCH(DMI_BOARD_NAME, "NC10"),
+- },
+- .callback = dmi_check_cb,
+- },
+- {
+- .ident = "NP-Q45",
+- .matches = {
+- DMI_MATCH(DMI_SYS_VENDOR,
+- "SAMSUNG ELECTRONICS CO., LTD."),
+- DMI_MATCH(DMI_PRODUCT_NAME, "SQ45S70S"),
+- DMI_MATCH(DMI_BOARD_NAME, "SQ45S70S"),
+- },
+- .callback = dmi_check_cb,
+- },
+- {
+- .ident = "X360",
+- .matches = {
+- DMI_MATCH(DMI_SYS_VENDOR,
+- "SAMSUNG ELECTRONICS CO., LTD."),
+- DMI_MATCH(DMI_PRODUCT_NAME, "X360"),
+- DMI_MATCH(DMI_BOARD_NAME, "X360"),
+- },
+- .callback = dmi_check_cb,
+- },
+- {
+- .ident = "R410 Plus",
+- .matches = {
+- DMI_MATCH(DMI_SYS_VENDOR,
+- "SAMSUNG ELECTRONICS CO., LTD."),
+- DMI_MATCH(DMI_PRODUCT_NAME, "R410P"),
+- DMI_MATCH(DMI_BOARD_NAME, "R460"),
+- },
+- .callback = dmi_check_cb,
+- },
+- {
+- .ident = "R518",
+- .matches = {
+- DMI_MATCH(DMI_SYS_VENDOR,
+- "SAMSUNG ELECTRONICS CO., LTD."),
+- DMI_MATCH(DMI_PRODUCT_NAME, "R518"),
+- DMI_MATCH(DMI_BOARD_NAME, "R518"),
+- },
+- .callback = dmi_check_cb,
+- },
+- {
+- .ident = "R519/R719",
+- .matches = {
+- DMI_MATCH(DMI_SYS_VENDOR,
+- "SAMSUNG ELECTRONICS CO., LTD."),
+- DMI_MATCH(DMI_PRODUCT_NAME, "R519/R719"),
+- DMI_MATCH(DMI_BOARD_NAME, "R519/R719"),
+- },
+- .callback = dmi_check_cb,
+- },
+- {
+- .ident = "N150/N210/N220",
+- .matches = {
+- DMI_MATCH(DMI_SYS_VENDOR,
+- "SAMSUNG ELECTRONICS CO., LTD."),
+- DMI_MATCH(DMI_PRODUCT_NAME, "N150/N210/N220"),
+- DMI_MATCH(DMI_BOARD_NAME, "N150/N210/N220"),
+- },
+- .callback = dmi_check_cb,
+- },
+- {
+- .ident = "N220",
+- .matches = {
+- DMI_MATCH(DMI_SYS_VENDOR,
+- "SAMSUNG ELECTRONICS CO., LTD."),
+- DMI_MATCH(DMI_PRODUCT_NAME, "N220"),
+- DMI_MATCH(DMI_BOARD_NAME, "N220"),
+- },
+- .callback = dmi_check_cb,
+- },
+- {
+- .ident = "N150/N210/N220/N230",
+- .matches = {
+- DMI_MATCH(DMI_SYS_VENDOR,
+- "SAMSUNG ELECTRONICS CO., LTD."),
+- DMI_MATCH(DMI_PRODUCT_NAME, "N150/N210/N220/N230"),
+- DMI_MATCH(DMI_BOARD_NAME, "N150/N210/N220/N230"),
+- },
+- .callback = dmi_check_cb,
+- },
+- {
+- .ident = "N150P/N210P/N220P",
+- .matches = {
+- DMI_MATCH(DMI_SYS_VENDOR,
+- "SAMSUNG ELECTRONICS CO., LTD."),
+- DMI_MATCH(DMI_PRODUCT_NAME, "N150P/N210P/N220P"),
+- DMI_MATCH(DMI_BOARD_NAME, "N150P/N210P/N220P"),
+- },
+- .callback = dmi_check_cb,
+- },
+- {
+- .ident = "R700",
+- .matches = {
+- DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
+- DMI_MATCH(DMI_PRODUCT_NAME, "SR700"),
+- DMI_MATCH(DMI_BOARD_NAME, "SR700"),
+- },
+- .callback = dmi_check_cb,
+- },
+- {
+- .ident = "R530/R730",
+- .matches = {
+- DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
+- DMI_MATCH(DMI_PRODUCT_NAME, "R530/R730"),
+- DMI_MATCH(DMI_BOARD_NAME, "R530/R730"),
+- },
+- .callback = dmi_check_cb,
+- },
+- {
+- .ident = "NF110/NF210/NF310",
+- .matches = {
+- DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
+- DMI_MATCH(DMI_PRODUCT_NAME, "NF110/NF210/NF310"),
+- DMI_MATCH(DMI_BOARD_NAME, "NF110/NF210/NF310"),
+- },
+- .callback = dmi_check_cb,
+- },
+- {
+- .ident = "N145P/N250P/N260P",
+- .matches = {
+- DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
+- DMI_MATCH(DMI_PRODUCT_NAME, "N145P/N250P/N260P"),
+- DMI_MATCH(DMI_BOARD_NAME, "N145P/N250P/N260P"),
+- },
+- .callback = dmi_check_cb,
+- },
+- {
+- .ident = "R70/R71",
+- .matches = {
+- DMI_MATCH(DMI_SYS_VENDOR,
+- "SAMSUNG ELECTRONICS CO., LTD."),
+- DMI_MATCH(DMI_PRODUCT_NAME, "R70/R71"),
+- DMI_MATCH(DMI_BOARD_NAME, "R70/R71"),
+- },
+- .callback = dmi_check_cb,
+- },
+- {
+- .ident = "P460",
+- .matches = {
+- DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
+- DMI_MATCH(DMI_PRODUCT_NAME, "P460"),
+- DMI_MATCH(DMI_BOARD_NAME, "P460"),
+- },
+- .callback = dmi_check_cb,
+- },
+- {
+- .ident = "R528/R728",
+- .matches = {
+- DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
+- DMI_MATCH(DMI_PRODUCT_NAME, "R528/R728"),
+- DMI_MATCH(DMI_BOARD_NAME, "R528/R728"),
+- },
+- .callback = dmi_check_cb,
+- },
+- {
+- .ident = "NC210/NC110",
+- .matches = {
+- DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
+- DMI_MATCH(DMI_PRODUCT_NAME, "NC210/NC110"),
+- DMI_MATCH(DMI_BOARD_NAME, "NC210/NC110"),
+- },
+- .callback = dmi_check_cb,
+- },
+- {
+- .ident = "X520",
+- .matches = {
+- DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
+- DMI_MATCH(DMI_PRODUCT_NAME, "X520"),
+- DMI_MATCH(DMI_BOARD_NAME, "X520"),
++ DMI_MATCH(DMI_CHASSIS_TYPE, "14"), /* Sub-Notebook */
+ },
+- .callback = dmi_check_cb,
+ },
+ { },
+ };
+@@ -819,7 +608,8 @@ static int __init samsung_init(void)
+
+ f0000_segment = ioremap_nocache(0xf0000, 0xffff);
+ if (!f0000_segment) {
+- pr_err("Can't map the segment at 0xf0000\n");
++ if (debug || force)
++ pr_err("Can't map the segment at 0xf0000\n");
+ return -EINVAL;
+ }
+
+@@ -832,7 +622,8 @@ static int __init samsung_init(void)
+ }
+
+ if (loca == 0xffff) {
+- pr_err("This computer does not support SABI\n");
++ if (debug || force)
++ pr_err("This computer does not support SABI\n");
+ goto error_no_signature;
+ }
+
+diff --git a/drivers/rtc/rtc-mxc.c b/drivers/rtc/rtc-mxc.c
+index 39e41fb..5160354 100644
+--- a/drivers/rtc/rtc-mxc.c
++++ b/drivers/rtc/rtc-mxc.c
+@@ -191,10 +191,11 @@ static irqreturn_t mxc_rtc_interrupt(int irq, void *dev_id)
+ struct platform_device *pdev = dev_id;
+ struct rtc_plat_data *pdata = platform_get_drvdata(pdev);
+ void __iomem *ioaddr = pdata->ioaddr;
++ unsigned long flags;
+ u32 status;
+ u32 events = 0;
+
+- spin_lock_irq(&pdata->rtc->irq_lock);
++ spin_lock_irqsave(&pdata->rtc->irq_lock, flags);
+ status = readw(ioaddr + RTC_RTCISR) & readw(ioaddr + RTC_RTCIENR);
+ /* clear interrupt sources */
+ writew(status, ioaddr + RTC_RTCISR);
+@@ -217,7 +218,7 @@ static irqreturn_t mxc_rtc_interrupt(int irq, void *dev_id)
+ rtc_update_alarm(&pdev->dev, &pdata->g_rtc_alarm);
+
+ rtc_update_irq(pdata->rtc, 1, events);
+- spin_unlock_irq(&pdata->rtc->irq_lock);
++ spin_unlock_irqrestore(&pdata->rtc->irq_lock, flags);
+
+ return IRQ_HANDLED;
+ }
+diff --git a/drivers/scsi/aic94xx/aic94xx_task.c b/drivers/scsi/aic94xx/aic94xx_task.c
+index 532d212..393e7ce 100644
+--- a/drivers/scsi/aic94xx/aic94xx_task.c
++++ b/drivers/scsi/aic94xx/aic94xx_task.c
+@@ -201,7 +201,7 @@ static void asd_get_response_tasklet(struct asd_ascb *ascb,
+
+ if (SAS_STATUS_BUF_SIZE >= sizeof(*resp)) {
+ resp->frame_len = le16_to_cpu(*(__le16 *)(r+6));
+- memcpy(&resp->ending_fis[0], r+16, 24);
++ memcpy(&resp->ending_fis[0], r+16, ATA_RESP_FIS_SIZE);
+ ts->buf_valid_size = sizeof(*resp);
+ }
+ }
+diff --git a/drivers/scsi/libsas/sas_ata.c b/drivers/scsi/libsas/sas_ata.c
+index db9238f..4868fc9 100644
+--- a/drivers/scsi/libsas/sas_ata.c
++++ b/drivers/scsi/libsas/sas_ata.c
+@@ -112,12 +112,12 @@ static void sas_ata_task_done(struct sas_task *task)
+ if (stat->stat == SAS_PROTO_RESPONSE || stat->stat == SAM_STAT_GOOD ||
+ ((stat->stat == SAM_STAT_CHECK_CONDITION &&
+ dev->sata_dev.command_set == ATAPI_COMMAND_SET))) {
+- ata_tf_from_fis(resp->ending_fis, &dev->sata_dev.tf);
++ memcpy(dev->sata_dev.fis, resp->ending_fis, ATA_RESP_FIS_SIZE);
+
+ if (!link->sactive) {
+- qc->err_mask |= ac_err_mask(dev->sata_dev.tf.command);
++ qc->err_mask |= ac_err_mask(dev->sata_dev.fis[2]);
+ } else {
+- link->eh_info.err_mask |= ac_err_mask(dev->sata_dev.tf.command);
++ link->eh_info.err_mask |= ac_err_mask(dev->sata_dev.fis[2]);
+ if (unlikely(link->eh_info.err_mask))
+ qc->flags |= ATA_QCFLAG_FAILED;
+ }
+@@ -138,8 +138,8 @@ static void sas_ata_task_done(struct sas_task *task)
+ qc->flags |= ATA_QCFLAG_FAILED;
+ }
+
+- dev->sata_dev.tf.feature = 0x04; /* status err */
+- dev->sata_dev.tf.command = ATA_ERR;
++ dev->sata_dev.fis[3] = 0x04; /* status err */
++ dev->sata_dev.fis[2] = ATA_ERR;
+ }
+ }
+
+@@ -252,7 +252,7 @@ static bool sas_ata_qc_fill_rtf(struct ata_queued_cmd *qc)
+ {
+ struct domain_device *dev = qc->ap->private_data;
+
+- memcpy(&qc->result_tf, &dev->sata_dev.tf, sizeof(qc->result_tf));
++ ata_tf_from_fis(dev->sata_dev.fis, &qc->result_tf);
+ return true;
+ }
+
+diff --git a/drivers/target/target_core_cdb.c b/drivers/target/target_core_cdb.c
+index 65ea65a..93b9406 100644
+--- a/drivers/target/target_core_cdb.c
++++ b/drivers/target/target_core_cdb.c
+@@ -1199,7 +1199,7 @@ int target_emulate_write_same(struct se_task *task)
+ if (num_blocks != 0)
+ range = num_blocks;
+ else
+- range = (dev->transport->get_blocks(dev) - lba);
++ range = (dev->transport->get_blocks(dev) - lba) + 1;
+
+ pr_debug("WRITE_SAME UNMAP: LBA: %llu Range: %llu\n",
+ (unsigned long long)lba, (unsigned long long)range);
+diff --git a/drivers/target/target_core_pr.c b/drivers/target/target_core_pr.c
+index b75bc92..9145141 100644
+--- a/drivers/target/target_core_pr.c
++++ b/drivers/target/target_core_pr.c
+@@ -2042,7 +2042,7 @@ static int __core_scsi3_write_aptpl_to_file(
+ if (IS_ERR(file) || !file || !file->f_dentry) {
+ pr_err("filp_open(%s) for APTPL metadata"
+ " failed\n", path);
+- return (PTR_ERR(file) < 0 ? PTR_ERR(file) : -ENOENT);
++ return IS_ERR(file) ? PTR_ERR(file) : -ENOENT;
+ }
+
+ iov[0].iov_base = &buf[0];
+@@ -3853,7 +3853,7 @@ int target_scsi3_emulate_pr_out(struct se_task *task)
+ " SPC-2 reservation is held, returning"
+ " RESERVATION_CONFLICT\n");
+ cmd->scsi_sense_reason = TCM_RESERVATION_CONFLICT;
+- ret = EINVAL;
++ ret = -EINVAL;
+ goto out;
+ }
+
+@@ -3863,7 +3863,8 @@ int target_scsi3_emulate_pr_out(struct se_task *task)
+ */
+ if (!cmd->se_sess) {
+ cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE;
+- return -EINVAL;
++ ret = -EINVAL;
++ goto out;
+ }
+
+ if (cmd->data_length < 24) {
+diff --git a/drivers/target/tcm_fc/tfc_cmd.c b/drivers/target/tcm_fc/tfc_cmd.c
+index d95cfe2..278819c 100644
+--- a/drivers/target/tcm_fc/tfc_cmd.c
++++ b/drivers/target/tcm_fc/tfc_cmd.c
+@@ -249,6 +249,8 @@ u32 ft_get_task_tag(struct se_cmd *se_cmd)
+ {
+ struct ft_cmd *cmd = container_of(se_cmd, struct ft_cmd, se_cmd);
+
++ if (cmd->aborted)
++ return ~0;
+ return fc_seq_exch(cmd->seq)->rxid;
+ }
+
+diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c
+index 19fb5fa..9aaed0d 100644
+--- a/drivers/usb/class/cdc-wdm.c
++++ b/drivers/usb/class/cdc-wdm.c
+@@ -473,6 +473,8 @@ retry:
+ goto retry;
+ }
+ if (!desc->reslength) { /* zero length read */
++ dev_dbg(&desc->intf->dev, "%s: zero length - clearing WDM_READ\n", __func__);
++ clear_bit(WDM_READ, &desc->flags);
+ spin_unlock_irq(&desc->iuspin);
+ goto retry;
+ }
+diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
+index 52d27ed..175b6bb 100644
+--- a/drivers/usb/core/hub.c
++++ b/drivers/usb/core/hub.c
+@@ -2039,12 +2039,16 @@ static unsigned hub_is_wusb(struct usb_hub *hub)
+ static int hub_port_reset(struct usb_hub *hub, int port1,
+ struct usb_device *udev, unsigned int delay, bool warm);
+
+-/* Is a USB 3.0 port in the Inactive state? */
+-static bool hub_port_inactive(struct usb_hub *hub, u16 portstatus)
++/* Is a USB 3.0 port in the Inactive or Complinance Mode state?
++ * Port worm reset is required to recover
++ */
++static bool hub_port_warm_reset_required(struct usb_hub *hub, u16 portstatus)
+ {
+ return hub_is_superspeed(hub->hdev) &&
+- (portstatus & USB_PORT_STAT_LINK_STATE) ==
+- USB_SS_PORT_LS_SS_INACTIVE;
++ (((portstatus & USB_PORT_STAT_LINK_STATE) ==
++ USB_SS_PORT_LS_SS_INACTIVE) ||
++ ((portstatus & USB_PORT_STAT_LINK_STATE) ==
++ USB_SS_PORT_LS_COMP_MOD)) ;
+ }
+
+ static int hub_port_wait_reset(struct usb_hub *hub, int port1,
+@@ -2080,7 +2084,7 @@ static int hub_port_wait_reset(struct usb_hub *hub, int port1,
+ *
+ * See https://bugzilla.kernel.org/show_bug.cgi?id=41752
+ */
+- if (hub_port_inactive(hub, portstatus)) {
++ if (hub_port_warm_reset_required(hub, portstatus)) {
+ int ret;
+
+ if ((portchange & USB_PORT_STAT_C_CONNECTION))
+@@ -3646,9 +3650,7 @@ static void hub_events(void)
+ /* Warm reset a USB3 protocol port if it's in
+ * SS.Inactive state.
+ */
+- if (hub_is_superspeed(hub->hdev) &&
+- (portstatus & USB_PORT_STAT_LINK_STATE)
+- == USB_SS_PORT_LS_SS_INACTIVE) {
++ if (hub_port_warm_reset_required(hub, portstatus)) {
+ dev_dbg(hub_dev, "warm reset port %d\n", i);
+ hub_port_reset(hub, i, NULL,
+ HUB_BH_RESET_TIME, true);
+diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c
+index a8b2980..fd8a2c2 100644
+--- a/drivers/usb/host/xhci-hub.c
++++ b/drivers/usb/host/xhci-hub.c
+@@ -438,6 +438,42 @@ void xhci_test_and_clear_bit(struct xhci_hcd *xhci, __le32 __iomem **port_array,
+ }
+ }
+
++/* Updates Link Status for super Speed port */
++static void xhci_hub_report_link_state(u32 *status, u32 status_reg)
++{
++ u32 pls = status_reg & PORT_PLS_MASK;
++
++ /* resume state is a xHCI internal state.
++ * Do not report it to usb core.
++ */
++ if (pls == XDEV_RESUME)
++ return;
++
++ /* When the CAS bit is set then warm reset
++ * should be performed on port
++ */
++ if (status_reg & PORT_CAS) {
++ /* The CAS bit can be set while the port is
++ * in any link state.
++ * Only roothubs have CAS bit, so we
++ * pretend to be in compliance mode
++ * unless we're already in compliance
++ * or the inactive state.
++ */
++ if (pls != USB_SS_PORT_LS_COMP_MOD &&
++ pls != USB_SS_PORT_LS_SS_INACTIVE) {
++ pls = USB_SS_PORT_LS_COMP_MOD;
++ }
++ /* Return also connection bit -
++ * hub state machine resets port
++ * when this bit is set.
++ */
++ pls |= USB_PORT_STAT_CONNECTION;
++ }
++ /* update status field */
++ *status |= pls;
++}
++
+ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
+ u16 wIndex, char *buf, u16 wLength)
+ {
+@@ -579,13 +615,9 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
+ else
+ status |= USB_PORT_STAT_POWER;
+ }
+- /* Port Link State */
++ /* Update Port Link State for super speed ports*/
+ if (hcd->speed == HCD_USB3) {
+- /* resume state is a xHCI internal state.
+- * Do not report it to usb core.
+- */
+- if ((temp & PORT_PLS_MASK) != XDEV_RESUME)
+- status |= (temp & PORT_PLS_MASK);
++ xhci_hub_report_link_state(&status, temp);
+ }
+ if (bus_state->port_c_suspend & (1 << wIndex))
+ status |= 1 << USB_PORT_FEAT_C_SUSPEND;
+diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
+index 363b141..7a56805 100644
+--- a/drivers/usb/host/xhci.h
++++ b/drivers/usb/host/xhci.h
+@@ -341,7 +341,11 @@ struct xhci_op_regs {
+ #define PORT_PLC (1 << 22)
+ /* port configure error change - port failed to configure its link partner */
+ #define PORT_CEC (1 << 23)
+-/* bit 24 reserved */
++/* Cold Attach Status - xHC can set this bit to report device attached during
++ * Sx state. Warm port reset should be perfomed to clear this bit and move port
++ * to connected state.
++ */
++#define PORT_CAS (1 << 24)
+ /* wake on connect (enable) */
+ #define PORT_WKCONN_E (1 << 25)
+ /* wake on disconnect (enable) */
+diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
+index 21a4734..5971c95 100644
+--- a/drivers/usb/serial/option.c
++++ b/drivers/usb/serial/option.c
+@@ -496,6 +496,15 @@ static void option_instat_callback(struct urb *urb);
+
+ /* MediaTek products */
+ #define MEDIATEK_VENDOR_ID 0x0e8d
++#define MEDIATEK_PRODUCT_DC_1COM 0x00a0
++#define MEDIATEK_PRODUCT_DC_4COM 0x00a5
++#define MEDIATEK_PRODUCT_DC_5COM 0x00a4
++#define MEDIATEK_PRODUCT_7208_1COM 0x7101
++#define MEDIATEK_PRODUCT_7208_2COM 0x7102
++#define MEDIATEK_PRODUCT_FP_1COM 0x0003
++#define MEDIATEK_PRODUCT_FP_2COM 0x0023
++#define MEDIATEK_PRODUCT_FPDC_1COM 0x0043
++#define MEDIATEK_PRODUCT_FPDC_2COM 0x0033
+
+ /* Cellient products */
+ #define CELLIENT_VENDOR_ID 0x2692
+@@ -553,6 +562,10 @@ static const struct option_blacklist_info net_intf1_blacklist = {
+ .reserved = BIT(1),
+ };
+
++static const struct option_blacklist_info net_intf2_blacklist = {
++ .reserved = BIT(2),
++};
++
+ static const struct option_blacklist_info net_intf3_blacklist = {
+ .reserved = BIT(3),
+ };
+@@ -1093,6 +1106,8 @@ static const struct usb_device_id option_ids[] = {
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1298, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1299, 0xff, 0xff, 0xff) },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1300, 0xff, 0xff, 0xff) },
++ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1402, 0xff, 0xff, 0xff),
++ .driver_info = (kernel_ulong_t)&net_intf2_blacklist },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x2002, 0xff,
+ 0xff, 0xff), .driver_info = (kernel_ulong_t)&zte_k3765_z_blacklist },
+ { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x2003, 0xff, 0xff, 0xff) },
+@@ -1234,6 +1249,17 @@ static const struct usb_device_id option_ids[] = {
+ { USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, 0x00a1, 0xff, 0x02, 0x01) },
+ { USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, 0x00a2, 0xff, 0x00, 0x00) },
+ { USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, 0x00a2, 0xff, 0x02, 0x01) }, /* MediaTek MT6276M modem & app port */
++ { USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, MEDIATEK_PRODUCT_DC_1COM, 0x0a, 0x00, 0x00) },
++ { USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, MEDIATEK_PRODUCT_DC_5COM, 0xff, 0x02, 0x01) },
++ { USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, MEDIATEK_PRODUCT_DC_5COM, 0xff, 0x00, 0x00) },
++ { USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, MEDIATEK_PRODUCT_DC_4COM, 0xff, 0x02, 0x01) },
++ { USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, MEDIATEK_PRODUCT_DC_4COM, 0xff, 0x00, 0x00) },
++ { USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, MEDIATEK_PRODUCT_7208_1COM, 0x02, 0x00, 0x00) },
++ { USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, MEDIATEK_PRODUCT_7208_2COM, 0x02, 0x02, 0x01) },
++ { USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, MEDIATEK_PRODUCT_FP_1COM, 0x0a, 0x00, 0x00) },
++ { USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, MEDIATEK_PRODUCT_FP_2COM, 0x0a, 0x00, 0x00) },
++ { USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, MEDIATEK_PRODUCT_FPDC_1COM, 0x0a, 0x00, 0x00) },
++ { USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, MEDIATEK_PRODUCT_FPDC_2COM, 0x0a, 0x00, 0x00) },
+ { USB_DEVICE(CELLIENT_VENDOR_ID, CELLIENT_PRODUCT_MEN200) },
+ { } /* Terminating entry */
+ };
+diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
+index c14c42b..ae66278 100644
+--- a/drivers/vhost/vhost.c
++++ b/drivers/vhost/vhost.c
+@@ -222,6 +222,8 @@ static int vhost_worker(void *data)
+ if (work) {
+ __set_current_state(TASK_RUNNING);
+ work->fn(work);
++ if (need_resched())
++ schedule();
+ } else
+ schedule();
+
+diff --git a/fs/buffer.c b/fs/buffer.c
+index c807931..4115eca 100644
+--- a/fs/buffer.c
++++ b/fs/buffer.c
+@@ -1087,6 +1087,9 @@ grow_buffers(struct block_device *bdev, sector_t block, int size)
+ static struct buffer_head *
+ __getblk_slow(struct block_device *bdev, sector_t block, int size)
+ {
++ int ret;
++ struct buffer_head *bh;
++
+ /* Size must be multiple of hard sectorsize */
+ if (unlikely(size & (bdev_logical_block_size(bdev)-1) ||
+ (size < 512 || size > PAGE_SIZE))) {
+@@ -1099,20 +1102,21 @@ __getblk_slow(struct block_device *bdev, sector_t block, int size)
+ return NULL;
+ }
+
+- for (;;) {
+- struct buffer_head * bh;
+- int ret;
++retry:
++ bh = __find_get_block(bdev, block, size);
++ if (bh)
++ return bh;
+
++ ret = grow_buffers(bdev, block, size);
++ if (ret == 0) {
++ free_more_memory();
++ goto retry;
++ } else if (ret > 0) {
+ bh = __find_get_block(bdev, block, size);
+ if (bh)
+ return bh;
+-
+- ret = grow_buffers(bdev, block, size);
+- if (ret < 0)
+- return NULL;
+- if (ret == 0)
+- free_more_memory();
+ }
++ return NULL;
+ }
+
+ /*
+diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
+index b21670c..56c152d 100644
+--- a/fs/cifs/connect.c
++++ b/fs/cifs/connect.c
+@@ -2925,6 +2925,18 @@ void cifs_setup_cifs_sb(struct smb_vol *pvolume_info,
+ #define CIFS_DEFAULT_NON_POSIX_RSIZE (60 * 1024)
+ #define CIFS_DEFAULT_NON_POSIX_WSIZE (65536)
+
++/*
++ * On hosts with high memory, we can't currently support wsize/rsize that are
++ * larger than we can kmap at once. Cap the rsize/wsize at
++ * LAST_PKMAP * PAGE_SIZE. We'll never be able to fill a read or write request
++ * larger than that anyway.
++ */
++#ifdef CONFIG_HIGHMEM
++#define CIFS_KMAP_SIZE_LIMIT (LAST_PKMAP * PAGE_CACHE_SIZE)
++#else /* CONFIG_HIGHMEM */
++#define CIFS_KMAP_SIZE_LIMIT (1<<24)
++#endif /* CONFIG_HIGHMEM */
++
+ static unsigned int
+ cifs_negotiate_wsize(struct cifs_tcon *tcon, struct smb_vol *pvolume_info)
+ {
+@@ -2955,6 +2967,9 @@ cifs_negotiate_wsize(struct cifs_tcon *tcon, struct smb_vol *pvolume_info)
+ wsize = min_t(unsigned int, wsize,
+ server->maxBuf - sizeof(WRITE_REQ) + 4);
+
++ /* limit to the amount that we can kmap at once */
++ wsize = min_t(unsigned int, wsize, CIFS_KMAP_SIZE_LIMIT);
++
+ /* hard limit of CIFS_MAX_WSIZE */
+ wsize = min_t(unsigned int, wsize, CIFS_MAX_WSIZE);
+
+@@ -2996,6 +3011,9 @@ cifs_negotiate_rsize(struct cifs_tcon *tcon, struct smb_vol *pvolume_info)
+ if (!(server->capabilities & CAP_LARGE_READ_X))
+ rsize = min_t(unsigned int, CIFSMaxBufSize, rsize);
+
++ /* limit to the amount that we can kmap at once */
++ rsize = min_t(unsigned int, rsize, CIFS_KMAP_SIZE_LIMIT);
++
+ /* hard limit of CIFS_MAX_RSIZE */
+ rsize = min_t(unsigned int, rsize, CIFS_MAX_RSIZE);
+
+diff --git a/fs/cifs/readdir.c b/fs/cifs/readdir.c
+index db4a138..4c37ed4 100644
+--- a/fs/cifs/readdir.c
++++ b/fs/cifs/readdir.c
+@@ -86,9 +86,12 @@ cifs_readdir_lookup(struct dentry *parent, struct qstr *name,
+
+ dentry = d_lookup(parent, name);
+ if (dentry) {
+- /* FIXME: check for inode number changes? */
+- if (dentry->d_inode != NULL)
++ inode = dentry->d_inode;
++ /* update inode in place if i_ino didn't change */
++ if (inode && CIFS_I(inode)->uniqueid == fattr->cf_uniqueid) {
++ cifs_fattr_to_inode(inode, fattr);
+ return dentry;
++ }
+ d_drop(dentry);
+ dput(dentry);
+ }
+diff --git a/fs/ecryptfs/kthread.c b/fs/ecryptfs/kthread.c
+index 69f994a..0dbe58a 100644
+--- a/fs/ecryptfs/kthread.c
++++ b/fs/ecryptfs/kthread.c
+@@ -149,7 +149,7 @@ int ecryptfs_privileged_open(struct file **lower_file,
+ (*lower_file) = dentry_open(lower_dentry, lower_mnt, flags, cred);
+ if (!IS_ERR(*lower_file))
+ goto out;
+- if (flags & O_RDONLY) {
++ if ((flags & O_ACCMODE) == O_RDONLY) {
+ rc = PTR_ERR((*lower_file));
+ goto out;
+ }
+diff --git a/fs/ecryptfs/miscdev.c b/fs/ecryptfs/miscdev.c
+index 0dc5a3d..de42310 100644
+--- a/fs/ecryptfs/miscdev.c
++++ b/fs/ecryptfs/miscdev.c
+@@ -49,7 +49,10 @@ ecryptfs_miscdev_poll(struct file *file, poll_table *pt)
+ mutex_lock(&ecryptfs_daemon_hash_mux);
+ /* TODO: Just use file->private_data? */
+ rc = ecryptfs_find_daemon_by_euid(&daemon, euid, current_user_ns());
+- BUG_ON(rc || !daemon);
++ if (rc || !daemon) {
++ mutex_unlock(&ecryptfs_daemon_hash_mux);
++ return -EINVAL;
++ }
+ mutex_lock(&daemon->mux);
+ mutex_unlock(&ecryptfs_daemon_hash_mux);
+ if (daemon->flags & ECRYPTFS_DAEMON_ZOMBIE) {
+@@ -122,6 +125,7 @@ ecryptfs_miscdev_open(struct inode *inode, struct file *file)
+ goto out_unlock_daemon;
+ }
+ daemon->flags |= ECRYPTFS_DAEMON_MISCDEV_OPEN;
++ file->private_data = daemon;
+ atomic_inc(&ecryptfs_num_miscdev_opens);
+ out_unlock_daemon:
+ mutex_unlock(&daemon->mux);
+@@ -152,9 +156,9 @@ ecryptfs_miscdev_release(struct inode *inode, struct file *file)
+
+ mutex_lock(&ecryptfs_daemon_hash_mux);
+ rc = ecryptfs_find_daemon_by_euid(&daemon, euid, current_user_ns());
+- BUG_ON(rc || !daemon);
++ if (rc || !daemon)
++ daemon = file->private_data;
+ mutex_lock(&daemon->mux);
+- BUG_ON(daemon->pid != task_pid(current));
+ BUG_ON(!(daemon->flags & ECRYPTFS_DAEMON_MISCDEV_OPEN));
+ daemon->flags &= ~ECRYPTFS_DAEMON_MISCDEV_OPEN;
+ atomic_dec(&ecryptfs_num_miscdev_opens);
+@@ -191,31 +195,32 @@ int ecryptfs_send_miscdev(char *data, size_t data_size,
+ struct ecryptfs_msg_ctx *msg_ctx, u8 msg_type,
+ u16 msg_flags, struct ecryptfs_daemon *daemon)
+ {
+- int rc = 0;
++ struct ecryptfs_message *msg;
+
+- mutex_lock(&msg_ctx->mux);
+- msg_ctx->msg = kmalloc((sizeof(*msg_ctx->msg) + data_size),
+- GFP_KERNEL);
+- if (!msg_ctx->msg) {
+- rc = -ENOMEM;
++ msg = kmalloc((sizeof(*msg) + data_size), GFP_KERNEL);
++ if (!msg) {
+ printk(KERN_ERR "%s: Out of memory whilst attempting "
+ "to kmalloc(%zd, GFP_KERNEL)\n", __func__,
+- (sizeof(*msg_ctx->msg) + data_size));
+- goto out_unlock;
++ (sizeof(*msg) + data_size));
++ return -ENOMEM;
+ }
++
++ mutex_lock(&msg_ctx->mux);
++ msg_ctx->msg = msg;
+ msg_ctx->msg->index = msg_ctx->index;
+ msg_ctx->msg->data_len = data_size;
+ msg_ctx->type = msg_type;
+ memcpy(msg_ctx->msg->data, data, data_size);
+ msg_ctx->msg_size = (sizeof(*msg_ctx->msg) + data_size);
+- mutex_lock(&daemon->mux);
+ list_add_tail(&msg_ctx->daemon_out_list, &daemon->msg_ctx_out_queue);
++ mutex_unlock(&msg_ctx->mux);
++
++ mutex_lock(&daemon->mux);
+ daemon->num_queued_msg_ctx++;
+ wake_up_interruptible(&daemon->wait);
+ mutex_unlock(&daemon->mux);
+-out_unlock:
+- mutex_unlock(&msg_ctx->mux);
+- return rc;
++
++ return 0;
+ }
+
+ /**
+@@ -246,8 +251,16 @@ ecryptfs_miscdev_read(struct file *file, char __user *buf, size_t count,
+ mutex_lock(&ecryptfs_daemon_hash_mux);
+ /* TODO: Just use file->private_data? */
+ rc = ecryptfs_find_daemon_by_euid(&daemon, euid, current_user_ns());
+- BUG_ON(rc || !daemon);
++ if (rc || !daemon) {
++ mutex_unlock(&ecryptfs_daemon_hash_mux);
++ return -EINVAL;
++ }
+ mutex_lock(&daemon->mux);
++ if (task_pid(current) != daemon->pid) {
++ mutex_unlock(&daemon->mux);
++ mutex_unlock(&ecryptfs_daemon_hash_mux);
++ return -EPERM;
++ }
+ if (daemon->flags & ECRYPTFS_DAEMON_ZOMBIE) {
+ rc = 0;
+ mutex_unlock(&ecryptfs_daemon_hash_mux);
+@@ -284,9 +297,6 @@ check_list:
+ * message from the queue; try again */
+ goto check_list;
+ }
+- BUG_ON(euid != daemon->euid);
+- BUG_ON(current_user_ns() != daemon->user_ns);
+- BUG_ON(task_pid(current) != daemon->pid);
+ msg_ctx = list_first_entry(&daemon->msg_ctx_out_queue,
+ struct ecryptfs_msg_ctx, daemon_out_list);
+ BUG_ON(!msg_ctx);
+diff --git a/fs/eventpoll.c b/fs/eventpoll.c
+index 4d9d3a4..a6f3763 100644
+--- a/fs/eventpoll.c
++++ b/fs/eventpoll.c
+@@ -1629,8 +1629,10 @@ SYSCALL_DEFINE4(epoll_ctl, int, epfd, int, op, int, fd,
+ if (op == EPOLL_CTL_ADD) {
+ if (is_file_epoll(tfile)) {
+ error = -ELOOP;
+- if (ep_loop_check(ep, tfile) != 0)
++ if (ep_loop_check(ep, tfile) != 0) {
++ clear_tfile_check_list();
+ goto error_tgt_fput;
++ }
+ } else
+ list_add(&tfile->f_tfile_llink, &tfile_check_list);
+ }
+diff --git a/fs/exofs/ore.c b/fs/exofs/ore.c
+index 49cf230..24a49d4 100644
+--- a/fs/exofs/ore.c
++++ b/fs/exofs/ore.c
+@@ -735,13 +735,7 @@ static int _prepare_for_striping(struct ore_io_state *ios)
+ out:
+ ios->numdevs = devs_in_group;
+ ios->pages_consumed = cur_pg;
+- if (unlikely(ret)) {
+- if (length == ios->length)
+- return ret;
+- else
+- ios->length -= length;
+- }
+- return 0;
++ return ret;
+ }
+
+ int ore_create(struct ore_io_state *ios)
+diff --git a/fs/exofs/ore_raid.c b/fs/exofs/ore_raid.c
+index d222c77..fff2070 100644
+--- a/fs/exofs/ore_raid.c
++++ b/fs/exofs/ore_raid.c
+@@ -461,16 +461,12 @@ static void _mark_read4write_pages_uptodate(struct ore_io_state *ios, int ret)
+ * ios->sp2d[p][*], xor is calculated the same way. These pages are
+ * allocated/freed and don't go through cache
+ */
+-static int _read_4_write(struct ore_io_state *ios)
++static int _read_4_write_first_stripe(struct ore_io_state *ios)
+ {
+- struct ore_io_state *ios_read;
+ struct ore_striping_info read_si;
+ struct __stripe_pages_2d *sp2d = ios->sp2d;
+ u64 offset = ios->si.first_stripe_start;
+- u64 last_stripe_end;
+- unsigned bytes_in_stripe = ios->si.bytes_in_stripe;
+- unsigned i, c, p, min_p = sp2d->pages_in_unit, max_p = -1;
+- int ret;
++ unsigned c, p, min_p = sp2d->pages_in_unit, max_p = -1;
+
+ if (offset == ios->offset) /* Go to start collect $200 */
+ goto read_last_stripe;
+@@ -478,6 +474,9 @@ static int _read_4_write(struct ore_io_state *ios)
+ min_p = _sp2d_min_pg(sp2d);
+ max_p = _sp2d_max_pg(sp2d);
+
++ ORE_DBGMSG("stripe_start=0x%llx ios->offset=0x%llx min_p=%d max_p=%d\n",
++ offset, ios->offset, min_p, max_p);
++
+ for (c = 0; ; c++) {
+ ore_calc_stripe_info(ios->layout, offset, 0, &read_si);
+ read_si.obj_offset += min_p * PAGE_SIZE;
+@@ -512,6 +511,18 @@ static int _read_4_write(struct ore_io_state *ios)
+ }
+
+ read_last_stripe:
++ return 0;
++}
++
++static int _read_4_write_last_stripe(struct ore_io_state *ios)
++{
++ struct ore_striping_info read_si;
++ struct __stripe_pages_2d *sp2d = ios->sp2d;
++ u64 offset;
++ u64 last_stripe_end;
++ unsigned bytes_in_stripe = ios->si.bytes_in_stripe;
++ unsigned c, p, min_p = sp2d->pages_in_unit, max_p = -1;
++
+ offset = ios->offset + ios->length;
+ if (offset % PAGE_SIZE)
+ _add_to_r4w_last_page(ios, &offset);
+@@ -527,15 +538,15 @@ read_last_stripe:
+ c = _dev_order(ios->layout->group_width * ios->layout->mirrors_p1,
+ ios->layout->mirrors_p1, read_si.par_dev, read_si.dev);
+
+- BUG_ON(ios->si.first_stripe_start + bytes_in_stripe != last_stripe_end);
+- /* unaligned IO must be within a single stripe */
+-
+ if (min_p == sp2d->pages_in_unit) {
+ /* Didn't do it yet */
+ min_p = _sp2d_min_pg(sp2d);
+ max_p = _sp2d_max_pg(sp2d);
+ }
+
++ ORE_DBGMSG("offset=0x%llx stripe_end=0x%llx min_p=%d max_p=%d\n",
++ offset, last_stripe_end, min_p, max_p);
++
+ while (offset < last_stripe_end) {
+ struct __1_page_stripe *_1ps = &sp2d->_1p_stripes[p];
+
+@@ -568,6 +579,15 @@ read_last_stripe:
+ }
+
+ read_it:
++ return 0;
++}
++
++static int _read_4_write_execute(struct ore_io_state *ios)
++{
++ struct ore_io_state *ios_read;
++ unsigned i;
++ int ret;
++
+ ios_read = ios->ios_read_4_write;
+ if (!ios_read)
+ return 0;
+@@ -591,6 +611,8 @@ read_it:
+ }
+
+ _mark_read4write_pages_uptodate(ios_read, ret);
++ ore_put_io_state(ios_read);
++ ios->ios_read_4_write = NULL; /* Might need a reuse at last stripe */
+ return 0;
+ }
+
+@@ -626,8 +648,11 @@ int _ore_add_parity_unit(struct ore_io_state *ios,
+ /* If first stripe, Read in all read4write pages
+ * (if needed) before we calculate the first parity.
+ */
+- _read_4_write(ios);
++ _read_4_write_first_stripe(ios);
+ }
++ if (!cur_len) /* If last stripe r4w pages of last stripe */
++ _read_4_write_last_stripe(ios);
++ _read_4_write_execute(ios);
+
+ for (i = 0; i < num_pages; i++) {
+ pages[i] = _raid_page_alloc();
+@@ -654,34 +679,14 @@ int _ore_add_parity_unit(struct ore_io_state *ios,
+
+ int _ore_post_alloc_raid_stuff(struct ore_io_state *ios)
+ {
+- struct ore_layout *layout = ios->layout;
+-
+ if (ios->parity_pages) {
++ struct ore_layout *layout = ios->layout;
+ unsigned pages_in_unit = layout->stripe_unit / PAGE_SIZE;
+- unsigned stripe_size = ios->si.bytes_in_stripe;
+- u64 last_stripe, first_stripe;
+
+ if (_sp2d_alloc(pages_in_unit, layout->group_width,
+ layout->parity, &ios->sp2d)) {
+ return -ENOMEM;
+ }
+-
+- /* Round io down to last full strip */
+- first_stripe = div_u64(ios->offset, stripe_size);
+- last_stripe = div_u64(ios->offset + ios->length, stripe_size);
+-
+- /* If an IO spans more then a single stripe it must end at
+- * a stripe boundary. The reminder at the end is pushed into the
+- * next IO.
+- */
+- if (last_stripe != first_stripe) {
+- ios->length = last_stripe * stripe_size - ios->offset;
+-
+- BUG_ON(!ios->length);
+- ios->nr_pages = (ios->length + PAGE_SIZE - 1) /
+- PAGE_SIZE;
+- ios->si.length = ios->length; /*make it consistent */
+- }
+ }
+ return 0;
+ }
+diff --git a/fs/ext4/super.c b/fs/ext4/super.c
+index ab7aa3f..a93486e 100644
+--- a/fs/ext4/super.c
++++ b/fs/ext4/super.c
+@@ -1097,7 +1097,7 @@ static int ext4_show_options(struct seq_file *seq, struct vfsmount *vfs)
+ }
+ if (sbi->s_max_batch_time != EXT4_DEF_MAX_BATCH_TIME) {
+ seq_printf(seq, ",max_batch_time=%u",
+- (unsigned) sbi->s_min_batch_time);
++ (unsigned) sbi->s_max_batch_time);
+ }
+
+ /*
+diff --git a/fs/fifo.c b/fs/fifo.c
+index b1a524d..cf6f434 100644
+--- a/fs/fifo.c
++++ b/fs/fifo.c
+@@ -14,7 +14,7 @@
+ #include <linux/sched.h>
+ #include <linux/pipe_fs_i.h>
+
+-static void wait_for_partner(struct inode* inode, unsigned int *cnt)
++static int wait_for_partner(struct inode* inode, unsigned int *cnt)
+ {
+ int cur = *cnt;
+
+@@ -23,6 +23,7 @@ static void wait_for_partner(struct inode* inode, unsigned int *cnt)
+ if (signal_pending(current))
+ break;
+ }
++ return cur == *cnt ? -ERESTARTSYS : 0;
+ }
+
+ static void wake_up_partner(struct inode* inode)
+@@ -67,8 +68,7 @@ static int fifo_open(struct inode *inode, struct file *filp)
+ * seen a writer */
+ filp->f_version = pipe->w_counter;
+ } else {
+- wait_for_partner(inode, &pipe->w_counter);
+- if(signal_pending(current))
++ if (wait_for_partner(inode, &pipe->w_counter))
+ goto err_rd;
+ }
+ }
+@@ -90,8 +90,7 @@ static int fifo_open(struct inode *inode, struct file *filp)
+ wake_up_partner(inode);
+
+ if (!pipe->readers) {
+- wait_for_partner(inode, &pipe->r_counter);
+- if (signal_pending(current))
++ if (wait_for_partner(inode, &pipe->r_counter))
+ goto err_wr;
+ }
+ break;
+diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c
+index 2d0ca24..ebc2f4d 100644
+--- a/fs/hugetlbfs/inode.c
++++ b/fs/hugetlbfs/inode.c
+@@ -592,9 +592,15 @@ static int hugetlbfs_statfs(struct dentry *dentry, struct kstatfs *buf)
+ spin_lock(&sbinfo->stat_lock);
+ /* If no limits set, just report 0 for max/free/used
+ * blocks, like simple_statfs() */
+- if (sbinfo->max_blocks >= 0) {
+- buf->f_blocks = sbinfo->max_blocks;
+- buf->f_bavail = buf->f_bfree = sbinfo->free_blocks;
++ if (sbinfo->spool) {
++ long free_pages;
++
++ spin_lock(&sbinfo->spool->lock);
++ buf->f_blocks = sbinfo->spool->max_hpages;
++ free_pages = sbinfo->spool->max_hpages
++ - sbinfo->spool->used_hpages;
++ buf->f_bavail = buf->f_bfree = free_pages;
++ spin_unlock(&sbinfo->spool->lock);
+ buf->f_files = sbinfo->max_inodes;
+ buf->f_ffree = sbinfo->free_inodes;
+ }
+@@ -610,6 +616,10 @@ static void hugetlbfs_put_super(struct super_block *sb)
+
+ if (sbi) {
+ sb->s_fs_info = NULL;
++
++ if (sbi->spool)
++ hugepage_put_subpool(sbi->spool);
++
+ kfree(sbi);
+ }
+ }
+@@ -841,10 +851,14 @@ hugetlbfs_fill_super(struct super_block *sb, void *data, int silent)
+ sb->s_fs_info = sbinfo;
+ sbinfo->hstate = config.hstate;
+ spin_lock_init(&sbinfo->stat_lock);
+- sbinfo->max_blocks = config.nr_blocks;
+- sbinfo->free_blocks = config.nr_blocks;
+ sbinfo->max_inodes = config.nr_inodes;
+ sbinfo->free_inodes = config.nr_inodes;
++ sbinfo->spool = NULL;
++ if (config.nr_blocks != -1) {
++ sbinfo->spool = hugepage_new_subpool(config.nr_blocks);
++ if (!sbinfo->spool)
++ goto out_free;
++ }
+ sb->s_maxbytes = MAX_LFS_FILESIZE;
+ sb->s_blocksize = huge_page_size(config.hstate);
+ sb->s_blocksize_bits = huge_page_shift(config.hstate);
+@@ -864,38 +878,12 @@ hugetlbfs_fill_super(struct super_block *sb, void *data, int silent)
+ sb->s_root = root;
+ return 0;
+ out_free:
++ if (sbinfo->spool)
++ kfree(sbinfo->spool);
+ kfree(sbinfo);
+ return -ENOMEM;
+ }
+
+-int hugetlb_get_quota(struct address_space *mapping, long delta)
+-{
+- int ret = 0;
+- struct hugetlbfs_sb_info *sbinfo = HUGETLBFS_SB(mapping->host->i_sb);
+-
+- if (sbinfo->free_blocks > -1) {
+- spin_lock(&sbinfo->stat_lock);
+- if (sbinfo->free_blocks - delta >= 0)
+- sbinfo->free_blocks -= delta;
+- else
+- ret = -ENOMEM;
+- spin_unlock(&sbinfo->stat_lock);
+- }
+-
+- return ret;
+-}
+-
+-void hugetlb_put_quota(struct address_space *mapping, long delta)
+-{
+- struct hugetlbfs_sb_info *sbinfo = HUGETLBFS_SB(mapping->host->i_sb);
+-
+- if (sbinfo->free_blocks > -1) {
+- spin_lock(&sbinfo->stat_lock);
+- sbinfo->free_blocks += delta;
+- spin_unlock(&sbinfo->stat_lock);
+- }
+-}
+-
+ static struct dentry *hugetlbfs_mount(struct file_system_type *fs_type,
+ int flags, const char *dev_name, void *data)
+ {
+diff --git a/fs/locks.c b/fs/locks.c
+index 0d68f1f..6a64f15 100644
+--- a/fs/locks.c
++++ b/fs/locks.c
+@@ -1465,7 +1465,7 @@ int generic_setlease(struct file *filp, long arg, struct file_lock **flp)
+ case F_WRLCK:
+ return generic_add_lease(filp, arg, flp);
+ default:
+- BUG();
++ return -EINVAL;
+ }
+ }
+ EXPORT_SYMBOL(generic_setlease);
+diff --git a/fs/nfs/idmap.c b/fs/nfs/idmap.c
+index 47d1c6f..b122af8 100644
+--- a/fs/nfs/idmap.c
++++ b/fs/nfs/idmap.c
+@@ -318,12 +318,12 @@ struct idmap_hashent {
+ unsigned long ih_expires;
+ __u32 ih_id;
+ size_t ih_namelen;
+- char ih_name[IDMAP_NAMESZ];
++ const char *ih_name;
+ };
+
+ struct idmap_hashtable {
+ __u8 h_type;
+- struct idmap_hashent h_entries[IDMAP_HASH_SZ];
++ struct idmap_hashent *h_entries;
+ };
+
+ struct idmap {
+@@ -378,6 +378,28 @@ nfs_idmap_new(struct nfs_client *clp)
+ return 0;
+ }
+
++static void
++idmap_alloc_hashtable(struct idmap_hashtable *h)
++{
++ if (h->h_entries != NULL)
++ return;
++ h->h_entries = kcalloc(IDMAP_HASH_SZ,
++ sizeof(*h->h_entries),
++ GFP_KERNEL);
++}
++
++static void
++idmap_free_hashtable(struct idmap_hashtable *h)
++{
++ int i;
++
++ if (h->h_entries == NULL)
++ return;
++ for (i = 0; i < IDMAP_HASH_SZ; i++)
++ kfree(h->h_entries[i].ih_name);
++ kfree(h->h_entries);
++}
++
+ void
+ nfs_idmap_delete(struct nfs_client *clp)
+ {
+@@ -387,6 +409,8 @@ nfs_idmap_delete(struct nfs_client *clp)
+ return;
+ rpc_unlink(idmap->idmap_dentry);
+ clp->cl_idmap = NULL;
++ idmap_free_hashtable(&idmap->idmap_user_hash);
++ idmap_free_hashtable(&idmap->idmap_group_hash);
+ kfree(idmap);
+ }
+
+@@ -396,6 +420,8 @@ nfs_idmap_delete(struct nfs_client *clp)
+ static inline struct idmap_hashent *
+ idmap_name_hash(struct idmap_hashtable* h, const char *name, size_t len)
+ {
++ if (h->h_entries == NULL)
++ return NULL;
+ return &h->h_entries[fnvhash32(name, len) % IDMAP_HASH_SZ];
+ }
+
+@@ -404,6 +430,8 @@ idmap_lookup_name(struct idmap_hashtable *h, const char *name, size_t len)
+ {
+ struct idmap_hashent *he = idmap_name_hash(h, name, len);
+
++ if (he == NULL)
++ return NULL;
+ if (he->ih_namelen != len || memcmp(he->ih_name, name, len) != 0)
+ return NULL;
+ if (time_after(jiffies, he->ih_expires))
+@@ -414,6 +442,8 @@ idmap_lookup_name(struct idmap_hashtable *h, const char *name, size_t len)
+ static inline struct idmap_hashent *
+ idmap_id_hash(struct idmap_hashtable* h, __u32 id)
+ {
++ if (h->h_entries == NULL)
++ return NULL;
+ return &h->h_entries[fnvhash32(&id, sizeof(id)) % IDMAP_HASH_SZ];
+ }
+
+@@ -421,6 +451,9 @@ static struct idmap_hashent *
+ idmap_lookup_id(struct idmap_hashtable *h, __u32 id)
+ {
+ struct idmap_hashent *he = idmap_id_hash(h, id);
++
++ if (he == NULL)
++ return NULL;
+ if (he->ih_id != id || he->ih_namelen == 0)
+ return NULL;
+ if (time_after(jiffies, he->ih_expires))
+@@ -436,12 +469,14 @@ idmap_lookup_id(struct idmap_hashtable *h, __u32 id)
+ static inline struct idmap_hashent *
+ idmap_alloc_name(struct idmap_hashtable *h, char *name, size_t len)
+ {
++ idmap_alloc_hashtable(h);
+ return idmap_name_hash(h, name, len);
+ }
+
+ static inline struct idmap_hashent *
+ idmap_alloc_id(struct idmap_hashtable *h, __u32 id)
+ {
++ idmap_alloc_hashtable(h);
+ return idmap_id_hash(h, id);
+ }
+
+@@ -449,9 +484,14 @@ static void
+ idmap_update_entry(struct idmap_hashent *he, const char *name,
+ size_t namelen, __u32 id)
+ {
++ char *str = kmalloc(namelen + 1, GFP_KERNEL);
++ if (str == NULL)
++ return;
++ kfree(he->ih_name);
+ he->ih_id = id;
+- memcpy(he->ih_name, name, namelen);
+- he->ih_name[namelen] = '\0';
++ memcpy(str, name, namelen);
++ str[namelen] = '\0';
++ he->ih_name = str;
+ he->ih_namelen = namelen;
+ he->ih_expires = jiffies + nfs_idmap_cache_timeout;
+ }
+diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c
+index 66020ac..07354b7 100644
+--- a/fs/nfs/nfs4state.c
++++ b/fs/nfs/nfs4state.c
+@@ -1186,8 +1186,9 @@ restart:
+ spin_lock(&state->state_lock);
+ list_for_each_entry(lock, &state->lock_states, ls_locks) {
+ if (!(lock->ls_flags & NFS_LOCK_INITIALIZED))
+- printk("%s: Lock reclaim failed!\n",
+- __func__);
++ pr_warn_ratelimited("NFS: "
++ "%s: Lock reclaim "
++ "failed!\n", __func__);
+ }
+ spin_unlock(&state->state_lock);
+ nfs4_put_open_state(state);
+diff --git a/fs/nfs/objlayout/objio_osd.c b/fs/nfs/objlayout/objio_osd.c
+index 55d0128..a03ee52 100644
+--- a/fs/nfs/objlayout/objio_osd.c
++++ b/fs/nfs/objlayout/objio_osd.c
+@@ -433,7 +433,10 @@ int objio_read_pagelist(struct nfs_read_data *rdata)
+ objios->ios->done = _read_done;
+ dprintk("%s: offset=0x%llx length=0x%x\n", __func__,
+ rdata->args.offset, rdata->args.count);
+- return ore_read(objios->ios);
++ ret = ore_read(objios->ios);
++ if (unlikely(ret))
++ objio_free_result(&objios->oir);
++ return ret;
+ }
+
+ /*
+@@ -464,8 +467,16 @@ static struct page *__r4w_get_page(void *priv, u64 offset, bool *uptodate)
+ struct objio_state *objios = priv;
+ struct nfs_write_data *wdata = objios->oir.rpcdata;
+ pgoff_t index = offset / PAGE_SIZE;
+- struct page *page = find_get_page(wdata->inode->i_mapping, index);
++ struct page *page;
++ loff_t i_size = i_size_read(wdata->inode);
++
++ if (offset >= i_size) {
++ *uptodate = true;
++ dprintk("%s: g_zero_page index=0x%lx\n", __func__, index);
++ return ZERO_PAGE(0);
++ }
+
++ page = find_get_page(wdata->inode->i_mapping, index);
+ if (!page) {
+ page = find_or_create_page(wdata->inode->i_mapping,
+ index, GFP_NOFS);
+@@ -486,8 +497,10 @@ static struct page *__r4w_get_page(void *priv, u64 offset, bool *uptodate)
+
+ static void __r4w_put_page(void *priv, struct page *page)
+ {
+- dprintk("%s: index=0x%lx\n", __func__, page->index);
+- page_cache_release(page);
++ dprintk("%s: index=0x%lx\n", __func__,
++ (page == ZERO_PAGE(0)) ? -1UL : page->index);
++ if (ZERO_PAGE(0) != page)
++ page_cache_release(page);
+ return;
+ }
+
+@@ -517,8 +530,10 @@ int objio_write_pagelist(struct nfs_write_data *wdata, int how)
+ dprintk("%s: offset=0x%llx length=0x%x\n", __func__,
+ wdata->args.offset, wdata->args.count);
+ ret = ore_write(objios->ios);
+- if (unlikely(ret))
++ if (unlikely(ret)) {
++ objio_free_result(&objios->oir);
+ return ret;
++ }
+
+ if (objios->sync)
+ _write_done(objios->ios, objios);
+diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c
+index 07ee5b4..1c7d45e 100644
+--- a/fs/ocfs2/file.c
++++ b/fs/ocfs2/file.c
+@@ -1950,7 +1950,7 @@ static int __ocfs2_change_file_space(struct file *file, struct inode *inode,
+ if (ret < 0)
+ mlog_errno(ret);
+
+- if (file->f_flags & O_SYNC)
++ if (file && (file->f_flags & O_SYNC))
+ handle->h_sync = 1;
+
+ ocfs2_commit_trans(osb, handle);
+diff --git a/fs/ramfs/file-nommu.c b/fs/ramfs/file-nommu.c
+index fbb0b47..d5378d0 100644
+--- a/fs/ramfs/file-nommu.c
++++ b/fs/ramfs/file-nommu.c
+@@ -110,6 +110,7 @@ int ramfs_nommu_expand_for_mapping(struct inode *inode, size_t newsize)
+
+ /* prevent the page from being discarded on memory pressure */
+ SetPageDirty(page);
++ SetPageUptodate(page);
+
+ unlock_page(page);
+ put_page(page);
+diff --git a/fs/ubifs/sb.c b/fs/ubifs/sb.c
+index 6094c5a..b73ecd8 100644
+--- a/fs/ubifs/sb.c
++++ b/fs/ubifs/sb.c
+@@ -715,8 +715,12 @@ static int fixup_free_space(struct ubifs_info *c)
+ lnum = ubifs_next_log_lnum(c, lnum);
+ }
+
+- /* Fixup the current log head */
+- err = fixup_leb(c, c->lhead_lnum, c->lhead_offs);
++ /*
++ * Fixup the log head which contains the only a CS node at the
++ * beginning.
++ */
++ err = fixup_leb(c, c->lhead_lnum,
++ ALIGN(UBIFS_CS_NODE_SZ, c->min_io_size));
+ if (err)
+ goto out;
+
+diff --git a/include/linux/Kbuild b/include/linux/Kbuild
+index bd21ecd..a3ce901 100644
+--- a/include/linux/Kbuild
++++ b/include/linux/Kbuild
+@@ -268,6 +268,7 @@ header-y += netfilter_ipv4.h
+ header-y += netfilter_ipv6.h
+ header-y += netlink.h
+ header-y += netrom.h
++header-y += nfc.h
+ header-y += nfs.h
+ header-y += nfs2.h
+ header-y += nfs3.h
+diff --git a/include/linux/hrtimer.h b/include/linux/hrtimer.h
+index fd0dc30..cc07d27 100644
+--- a/include/linux/hrtimer.h
++++ b/include/linux/hrtimer.h
+@@ -165,6 +165,7 @@ enum hrtimer_base_type {
+ * @lock: lock protecting the base and associated clock bases
+ * and timers
+ * @active_bases: Bitfield to mark bases with active timers
++ * @clock_was_set: Indicates that clock was set from irq context.
+ * @expires_next: absolute time of the next event which was scheduled
+ * via clock_set_next_event()
+ * @hres_active: State of high resolution mode
+@@ -177,7 +178,8 @@ enum hrtimer_base_type {
+ */
+ struct hrtimer_cpu_base {
+ raw_spinlock_t lock;
+- unsigned long active_bases;
++ unsigned int active_bases;
++ unsigned int clock_was_set;
+ #ifdef CONFIG_HIGH_RES_TIMERS
+ ktime_t expires_next;
+ int hres_active;
+@@ -286,6 +288,8 @@ extern void hrtimer_peek_ahead_timers(void);
+ # define MONOTONIC_RES_NSEC HIGH_RES_NSEC
+ # define KTIME_MONOTONIC_RES KTIME_HIGH_RES
+
++extern void clock_was_set_delayed(void);
++
+ #else
+
+ # define MONOTONIC_RES_NSEC LOW_RES_NSEC
+@@ -306,6 +310,9 @@ static inline int hrtimer_is_hres_active(struct hrtimer *timer)
+ {
+ return 0;
+ }
++
++static inline void clock_was_set_delayed(void) { }
++
+ #endif
+
+ extern void clock_was_set(void);
+@@ -320,6 +327,7 @@ extern ktime_t ktime_get(void);
+ extern ktime_t ktime_get_real(void);
+ extern ktime_t ktime_get_boottime(void);
+ extern ktime_t ktime_get_monotonic_offset(void);
++extern ktime_t ktime_get_update_offsets(ktime_t *offs_real, ktime_t *offs_boot);
+
+ DECLARE_PER_CPU(struct tick_device, tick_cpu_device);
+
+diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
+index d9d6c86..c5ed2f1 100644
+--- a/include/linux/hugetlb.h
++++ b/include/linux/hugetlb.h
+@@ -14,6 +14,15 @@ struct user_struct;
+ #include <linux/shm.h>
+ #include <asm/tlbflush.h>
+
++struct hugepage_subpool {
++ spinlock_t lock;
++ long count;
++ long max_hpages, used_hpages;
++};
++
++struct hugepage_subpool *hugepage_new_subpool(long nr_blocks);
++void hugepage_put_subpool(struct hugepage_subpool *spool);
++
+ int PageHuge(struct page *page);
+
+ void reset_vma_resv_huge_pages(struct vm_area_struct *vma);
+@@ -138,12 +147,11 @@ struct hugetlbfs_config {
+ };
+
+ struct hugetlbfs_sb_info {
+- long max_blocks; /* blocks allowed */
+- long free_blocks; /* blocks free */
+ long max_inodes; /* inodes allowed */
+ long free_inodes; /* inodes free */
+ spinlock_t stat_lock;
+ struct hstate *hstate;
++ struct hugepage_subpool *spool;
+ };
+
+
+@@ -166,8 +174,6 @@ extern const struct file_operations hugetlbfs_file_operations;
+ extern const struct vm_operations_struct hugetlb_vm_ops;
+ struct file *hugetlb_file_setup(const char *name, size_t size, vm_flags_t acct,
+ struct user_struct **user, int creat_flags);
+-int hugetlb_get_quota(struct address_space *mapping, long delta);
+-void hugetlb_put_quota(struct address_space *mapping, long delta);
+
+ static inline int is_file_hugepages(struct file *file)
+ {
+diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
+index 188cb2f..905b1e1 100644
+--- a/include/linux/mmzone.h
++++ b/include/linux/mmzone.h
+@@ -652,7 +652,7 @@ typedef struct pglist_data {
+ range, including holes */
+ int node_id;
+ wait_queue_head_t kswapd_wait;
+- struct task_struct *kswapd;
++ struct task_struct *kswapd; /* Protected by lock_memory_hotplug() */
+ int kswapd_max_order;
+ enum zone_type classzone_idx;
+ } pg_data_t;
+diff --git a/include/linux/pci.h b/include/linux/pci.h
+index c0cfa0d..7cda65b 100644
+--- a/include/linux/pci.h
++++ b/include/linux/pci.h
+@@ -176,8 +176,6 @@ enum pci_dev_flags {
+ PCI_DEV_FLAGS_NO_D3 = (__force pci_dev_flags_t) 2,
+ /* Provide indication device is assigned by a Virtual Machine Manager */
+ PCI_DEV_FLAGS_ASSIGNED = (__force pci_dev_flags_t) 4,
+- /* Device causes system crash if in D3 during S3 sleep */
+- PCI_DEV_FLAGS_NO_D3_DURING_SLEEP = (__force pci_dev_flags_t) 8,
+ };
+
+ enum pci_irq_reroute_variant {
+diff --git a/include/linux/sched.h b/include/linux/sched.h
+index 1c4f3e9..5afa2a3 100644
+--- a/include/linux/sched.h
++++ b/include/linux/sched.h
+@@ -1892,6 +1892,14 @@ static inline int set_cpus_allowed_ptr(struct task_struct *p,
+ }
+ #endif
+
++#ifdef CONFIG_NO_HZ
++void calc_load_enter_idle(void);
++void calc_load_exit_idle(void);
++#else
++static inline void calc_load_enter_idle(void) { }
++static inline void calc_load_exit_idle(void) { }
++#endif /* CONFIG_NO_HZ */
++
+ #ifndef CONFIG_CPUMASK_OFFSTACK
+ static inline int set_cpus_allowed(struct task_struct *p, cpumask_t new_mask)
+ {
+diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
+index bdb4590..53dc7e7 100644
+--- a/include/linux/skbuff.h
++++ b/include/linux/skbuff.h
+@@ -213,11 +213,8 @@ enum {
+ /* device driver is going to provide hardware time stamp */
+ SKBTX_IN_PROGRESS = 1 << 2,
+
+- /* ensure the originating sk reference is available on driver level */
+- SKBTX_DRV_NEEDS_SK_REF = 1 << 3,
+-
+ /* device driver supports TX zero-copy buffers */
+- SKBTX_DEV_ZEROCOPY = 1 << 4,
++ SKBTX_DEV_ZEROCOPY = 1 << 3,
+ };
+
+ /*
+diff --git a/include/linux/timex.h b/include/linux/timex.h
+index aa60fe7..08e90fb 100644
+--- a/include/linux/timex.h
++++ b/include/linux/timex.h
+@@ -266,7 +266,7 @@ static inline int ntp_synced(void)
+ /* Returns how long ticks are at present, in ns / 2^NTP_SCALE_SHIFT. */
+ extern u64 tick_length;
+
+-extern void second_overflow(void);
++extern int second_overflow(unsigned long secs);
+ extern void update_ntp_one_tick(void);
+ extern int do_adjtimex(struct timex *);
+ extern void hardpps(const struct timespec *, const struct timespec *);
+diff --git a/include/scsi/libsas.h b/include/scsi/libsas.h
+index 6a308d4..1e100c6 100644
+--- a/include/scsi/libsas.h
++++ b/include/scsi/libsas.h
+@@ -159,6 +159,8 @@ enum ata_command_set {
+ ATAPI_COMMAND_SET = 1,
+ };
+
++#define ATA_RESP_FIS_SIZE 24
++
+ struct sata_device {
+ enum ata_command_set command_set;
+ struct smp_resp rps_resp; /* report_phy_sata_resp */
+@@ -170,7 +172,7 @@ struct sata_device {
+
+ struct ata_port *ap;
+ struct ata_host ata_host;
+- struct ata_taskfile tf;
++ u8 fis[ATA_RESP_FIS_SIZE];
+ u32 sstatus;
+ u32 serror;
+ u32 scontrol;
+@@ -486,7 +488,7 @@ enum exec_status {
+ */
+ struct ata_task_resp {
+ u16 frame_len;
+- u8 ending_fis[24]; /* dev to host or data-in */
++ u8 ending_fis[ATA_RESP_FIS_SIZE]; /* dev to host or data-in */
+ u32 sstatus;
+ u32 serror;
+ u32 scontrol;
+diff --git a/kernel/hrtimer.c b/kernel/hrtimer.c
+index ae34bf5..6db7a5e 100644
+--- a/kernel/hrtimer.c
++++ b/kernel/hrtimer.c
+@@ -657,6 +657,14 @@ static inline int hrtimer_enqueue_reprogram(struct hrtimer *timer,
+ return 0;
+ }
+
++static inline ktime_t hrtimer_update_base(struct hrtimer_cpu_base *base)
++{
++ ktime_t *offs_real = &base->clock_base[HRTIMER_BASE_REALTIME].offset;
++ ktime_t *offs_boot = &base->clock_base[HRTIMER_BASE_BOOTTIME].offset;
++
++ return ktime_get_update_offsets(offs_real, offs_boot);
++}
++
+ /*
+ * Retrigger next event is called after clock was set
+ *
+@@ -665,22 +673,12 @@ static inline int hrtimer_enqueue_reprogram(struct hrtimer *timer,
+ static void retrigger_next_event(void *arg)
+ {
+ struct hrtimer_cpu_base *base = &__get_cpu_var(hrtimer_bases);
+- struct timespec realtime_offset, xtim, wtm, sleep;
+
+ if (!hrtimer_hres_active())
+ return;
+
+- /* Optimized out for !HIGH_RES */
+- get_xtime_and_monotonic_and_sleep_offset(&xtim, &wtm, &sleep);
+- set_normalized_timespec(&realtime_offset, -wtm.tv_sec, -wtm.tv_nsec);
+-
+- /* Adjust CLOCK_REALTIME offset */
+ raw_spin_lock(&base->lock);
+- base->clock_base[HRTIMER_BASE_REALTIME].offset =
+- timespec_to_ktime(realtime_offset);
+- base->clock_base[HRTIMER_BASE_BOOTTIME].offset =
+- timespec_to_ktime(sleep);
+-
++ hrtimer_update_base(base);
+ hrtimer_force_reprogram(base, 0);
+ raw_spin_unlock(&base->lock);
+ }
+@@ -710,13 +708,25 @@ static int hrtimer_switch_to_hres(void)
+ base->clock_base[i].resolution = KTIME_HIGH_RES;
+
+ tick_setup_sched_timer();
+-
+ /* "Retrigger" the interrupt to get things going */
+ retrigger_next_event(NULL);
+ local_irq_restore(flags);
+ return 1;
+ }
+
++/*
++ * Called from timekeeping code to reprogramm the hrtimer interrupt
++ * device. If called from the timer interrupt context we defer it to
++ * softirq context.
++ */
++void clock_was_set_delayed(void)
++{
++ struct hrtimer_cpu_base *cpu_base = &__get_cpu_var(hrtimer_bases);
++
++ cpu_base->clock_was_set = 1;
++ __raise_softirq_irqoff(HRTIMER_SOFTIRQ);
++}
++
+ #else
+
+ static inline int hrtimer_hres_active(void) { return 0; }
+@@ -1250,11 +1260,10 @@ void hrtimer_interrupt(struct clock_event_device *dev)
+ cpu_base->nr_events++;
+ dev->next_event.tv64 = KTIME_MAX;
+
+- entry_time = now = ktime_get();
++ raw_spin_lock(&cpu_base->lock);
++ entry_time = now = hrtimer_update_base(cpu_base);
+ retry:
+ expires_next.tv64 = KTIME_MAX;
+-
+- raw_spin_lock(&cpu_base->lock);
+ /*
+ * We set expires_next to KTIME_MAX here with cpu_base->lock
+ * held to prevent that a timer is enqueued in our queue via
+@@ -1330,8 +1339,12 @@ retry:
+ * We need to prevent that we loop forever in the hrtimer
+ * interrupt routine. We give it 3 attempts to avoid
+ * overreacting on some spurious event.
++ *
++ * Acquire base lock for updating the offsets and retrieving
++ * the current time.
+ */
+- now = ktime_get();
++ raw_spin_lock(&cpu_base->lock);
++ now = hrtimer_update_base(cpu_base);
+ cpu_base->nr_retries++;
+ if (++retries < 3)
+ goto retry;
+@@ -1343,6 +1356,7 @@ retry:
+ */
+ cpu_base->nr_hangs++;
+ cpu_base->hang_detected = 1;
++ raw_spin_unlock(&cpu_base->lock);
+ delta = ktime_sub(now, entry_time);
+ if (delta.tv64 > cpu_base->max_hang_time.tv64)
+ cpu_base->max_hang_time = delta;
+@@ -1395,6 +1409,13 @@ void hrtimer_peek_ahead_timers(void)
+
+ static void run_hrtimer_softirq(struct softirq_action *h)
+ {
++ struct hrtimer_cpu_base *cpu_base = &__get_cpu_var(hrtimer_bases);
++
++ if (cpu_base->clock_was_set) {
++ cpu_base->clock_was_set = 0;
++ clock_was_set();
++ }
++
+ hrtimer_peek_ahead_timers();
+ }
+
+diff --git a/kernel/power/swap.c b/kernel/power/swap.c
+index b313086..64f8f97 100644
+--- a/kernel/power/swap.c
++++ b/kernel/power/swap.c
+@@ -6,7 +6,7 @@
+ *
+ * Copyright (C) 1998,2001-2005 Pavel Machek <pavel@ucw.cz>
+ * Copyright (C) 2006 Rafael J. Wysocki <rjw@sisk.pl>
+- * Copyright (C) 2010 Bojan Smojver <bojan@rexursive.com>
++ * Copyright (C) 2010-2012 Bojan Smojver <bojan@rexursive.com>
+ *
+ * This file is released under the GPLv2.
+ *
+@@ -283,14 +283,17 @@ static int write_page(void *buf, sector_t offset, struct bio **bio_chain)
+ return -ENOSPC;
+
+ if (bio_chain) {
+- src = (void *)__get_free_page(__GFP_WAIT | __GFP_HIGH);
++ src = (void *)__get_free_page(__GFP_WAIT | __GFP_NOWARN |
++ __GFP_NORETRY);
+ if (src) {
+ copy_page(src, buf);
+ } else {
+ ret = hib_wait_on_bio_chain(bio_chain); /* Free pages */
+ if (ret)
+ return ret;
+- src = (void *)__get_free_page(__GFP_WAIT | __GFP_HIGH);
++ src = (void *)__get_free_page(__GFP_WAIT |
++ __GFP_NOWARN |
++ __GFP_NORETRY);
+ if (src) {
+ copy_page(src, buf);
+ } else {
+@@ -368,12 +371,17 @@ static int swap_write_page(struct swap_map_handle *handle, void *buf,
+ clear_page(handle->cur);
+ handle->cur_swap = offset;
+ handle->k = 0;
+- }
+- if (bio_chain && low_free_pages() <= handle->reqd_free_pages) {
+- error = hib_wait_on_bio_chain(bio_chain);
+- if (error)
+- goto out;
+- handle->reqd_free_pages = reqd_free_pages();
++
++ if (bio_chain && low_free_pages() <= handle->reqd_free_pages) {
++ error = hib_wait_on_bio_chain(bio_chain);
++ if (error)
++ goto out;
++ /*
++ * Recalculate the number of required free pages, to
++ * make sure we never take more than half.
++ */
++ handle->reqd_free_pages = reqd_free_pages();
++ }
+ }
+ out:
+ return error;
+@@ -420,8 +428,9 @@ static int swap_writer_finish(struct swap_map_handle *handle,
+ /* Maximum number of threads for compression/decompression. */
+ #define LZO_THREADS 3
+
+-/* Maximum number of pages for read buffering. */
+-#define LZO_READ_PAGES (MAP_PAGE_ENTRIES * 8)
++/* Minimum/maximum number of pages for read buffering. */
++#define LZO_MIN_RD_PAGES 1024
++#define LZO_MAX_RD_PAGES 8192
+
+
+ /**
+@@ -632,12 +641,6 @@ static int save_image_lzo(struct swap_map_handle *handle,
+ }
+
+ /*
+- * Adjust number of free pages after all allocations have been done.
+- * We don't want to run out of pages when writing.
+- */
+- handle->reqd_free_pages = reqd_free_pages();
+-
+- /*
+ * Start the CRC32 thread.
+ */
+ init_waitqueue_head(&crc->go);
+@@ -658,6 +661,12 @@ static int save_image_lzo(struct swap_map_handle *handle,
+ goto out_clean;
+ }
+
++ /*
++ * Adjust the number of required free pages after all allocations have
++ * been done. We don't want to run out of pages when writing.
++ */
++ handle->reqd_free_pages = reqd_free_pages();
++
+ printk(KERN_INFO
+ "PM: Using %u thread(s) for compression.\n"
+ "PM: Compressing and saving image data (%u pages) ... ",
+@@ -1067,7 +1076,7 @@ static int load_image_lzo(struct swap_map_handle *handle,
+ unsigned i, thr, run_threads, nr_threads;
+ unsigned ring = 0, pg = 0, ring_size = 0,
+ have = 0, want, need, asked = 0;
+- unsigned long read_pages;
++ unsigned long read_pages = 0;
+ unsigned char **page = NULL;
+ struct dec_data *data = NULL;
+ struct crc_data *crc = NULL;
+@@ -1079,7 +1088,7 @@ static int load_image_lzo(struct swap_map_handle *handle,
+ nr_threads = num_online_cpus() - 1;
+ nr_threads = clamp_val(nr_threads, 1, LZO_THREADS);
+
+- page = vmalloc(sizeof(*page) * LZO_READ_PAGES);
++ page = vmalloc(sizeof(*page) * LZO_MAX_RD_PAGES);
+ if (!page) {
+ printk(KERN_ERR "PM: Failed to allocate LZO page\n");
+ ret = -ENOMEM;
+@@ -1144,15 +1153,22 @@ static int load_image_lzo(struct swap_map_handle *handle,
+ }
+
+ /*
+- * Adjust number of pages for read buffering, in case we are short.
++ * Set the number of pages for read buffering.
++ * This is complete guesswork, because we'll only know the real
++ * picture once prepare_image() is called, which is much later on
++ * during the image load phase. We'll assume the worst case and
++ * say that none of the image pages are from high memory.
+ */
+- read_pages = (nr_free_pages() - snapshot_get_image_size()) >> 1;
+- read_pages = clamp_val(read_pages, LZO_CMP_PAGES, LZO_READ_PAGES);
++ if (low_free_pages() > snapshot_get_image_size())
++ read_pages = (low_free_pages() - snapshot_get_image_size()) / 2;
++ read_pages = clamp_val(read_pages, LZO_MIN_RD_PAGES, LZO_MAX_RD_PAGES);
+
+ for (i = 0; i < read_pages; i++) {
+ page[i] = (void *)__get_free_page(i < LZO_CMP_PAGES ?
+ __GFP_WAIT | __GFP_HIGH :
+- __GFP_WAIT);
++ __GFP_WAIT | __GFP_NOWARN |
++ __GFP_NORETRY);
++
+ if (!page[i]) {
+ if (i < LZO_CMP_PAGES) {
+ ring_size = i;
+diff --git a/kernel/sched.c b/kernel/sched.c
+index 576a27f..52ac69b 100644
+--- a/kernel/sched.c
++++ b/kernel/sched.c
+@@ -1885,7 +1885,6 @@ static void double_rq_unlock(struct rq *rq1, struct rq *rq2)
+
+ #endif
+
+-static void calc_load_account_idle(struct rq *this_rq);
+ static void update_sysctl(void);
+ static int get_update_sysctl_factor(void);
+ static void update_cpu_load(struct rq *this_rq);
+@@ -3401,11 +3400,73 @@ unsigned long this_cpu_load(void)
+ }
+
+
++/*
++ * Global load-average calculations
++ *
++ * We take a distributed and async approach to calculating the global load-avg
++ * in order to minimize overhead.
++ *
++ * The global load average is an exponentially decaying average of nr_running +
++ * nr_uninterruptible.
++ *
++ * Once every LOAD_FREQ:
++ *
++ * nr_active = 0;
++ * for_each_possible_cpu(cpu)
++ * nr_active += cpu_of(cpu)->nr_running + cpu_of(cpu)->nr_uninterruptible;
++ *
++ * avenrun[n] = avenrun[0] * exp_n + nr_active * (1 - exp_n)
++ *
++ * Due to a number of reasons the above turns in the mess below:
++ *
++ * - for_each_possible_cpu() is prohibitively expensive on machines with
++ * serious number of cpus, therefore we need to take a distributed approach
++ * to calculating nr_active.
++ *
++ * \Sum_i x_i(t) = \Sum_i x_i(t) - x_i(t_0) | x_i(t_0) := 0
++ * = \Sum_i { \Sum_j=1 x_i(t_j) - x_i(t_j-1) }
++ *
++ * So assuming nr_active := 0 when we start out -- true per definition, we
++ * can simply take per-cpu deltas and fold those into a global accumulate
++ * to obtain the same result. See calc_load_fold_active().
++ *
++ * Furthermore, in order to avoid synchronizing all per-cpu delta folding
++ * across the machine, we assume 10 ticks is sufficient time for every
++ * cpu to have completed this task.
++ *
++ * This places an upper-bound on the IRQ-off latency of the machine. Then
++ * again, being late doesn't loose the delta, just wrecks the sample.
++ *
++ * - cpu_rq()->nr_uninterruptible isn't accurately tracked per-cpu because
++ * this would add another cross-cpu cacheline miss and atomic operation
++ * to the wakeup path. Instead we increment on whatever cpu the task ran
++ * when it went into uninterruptible state and decrement on whatever cpu
++ * did the wakeup. This means that only the sum of nr_uninterruptible over
++ * all cpus yields the correct result.
++ *
++ * This covers the NO_HZ=n code, for extra head-aches, see the comment below.
++ */
++
+ /* Variables and functions for calc_load */
+ static atomic_long_t calc_load_tasks;
+ static unsigned long calc_load_update;
+ unsigned long avenrun[3];
+-EXPORT_SYMBOL(avenrun);
++EXPORT_SYMBOL(avenrun); /* should be removed */
++
++/**
++ * get_avenrun - get the load average array
++ * @loads: pointer to dest load array
++ * @offset: offset to add
++ * @shift: shift count to shift the result left
++ *
++ * These values are estimates at best, so no need for locking.
++ */
++void get_avenrun(unsigned long *loads, unsigned long offset, int shift)
++{
++ loads[0] = (avenrun[0] + offset) << shift;
++ loads[1] = (avenrun[1] + offset) << shift;
++ loads[2] = (avenrun[2] + offset) << shift;
++}
+
+ static long calc_load_fold_active(struct rq *this_rq)
+ {
+@@ -3422,6 +3483,9 @@ static long calc_load_fold_active(struct rq *this_rq)
+ return delta;
+ }
+
++/*
++ * a1 = a0 * e + a * (1 - e)
++ */
+ static unsigned long
+ calc_load(unsigned long load, unsigned long exp, unsigned long active)
+ {
+@@ -3433,30 +3497,118 @@ calc_load(unsigned long load, unsigned long exp, unsigned long active)
+
+ #ifdef CONFIG_NO_HZ
+ /*
+- * For NO_HZ we delay the active fold to the next LOAD_FREQ update.
++ * Handle NO_HZ for the global load-average.
++ *
++ * Since the above described distributed algorithm to compute the global
++ * load-average relies on per-cpu sampling from the tick, it is affected by
++ * NO_HZ.
++ *
++ * The basic idea is to fold the nr_active delta into a global idle-delta upon
++ * entering NO_HZ state such that we can include this as an 'extra' cpu delta
++ * when we read the global state.
++ *
++ * Obviously reality has to ruin such a delightfully simple scheme:
++ *
++ * - When we go NO_HZ idle during the window, we can negate our sample
++ * contribution, causing under-accounting.
++ *
++ * We avoid this by keeping two idle-delta counters and flipping them
++ * when the window starts, thus separating old and new NO_HZ load.
++ *
++ * The only trick is the slight shift in index flip for read vs write.
++ *
++ * 0s 5s 10s 15s
++ * +10 +10 +10 +10
++ * |-|-----------|-|-----------|-|-----------|-|
++ * r:0 0 1 1 0 0 1 1 0
++ * w:0 1 1 0 0 1 1 0 0
++ *
++ * This ensures we'll fold the old idle contribution in this window while
++ * accumlating the new one.
++ *
++ * - When we wake up from NO_HZ idle during the window, we push up our
++ * contribution, since we effectively move our sample point to a known
++ * busy state.
++ *
++ * This is solved by pushing the window forward, and thus skipping the
++ * sample, for this cpu (effectively using the idle-delta for this cpu which
++ * was in effect at the time the window opened). This also solves the issue
++ * of having to deal with a cpu having been in NOHZ idle for multiple
++ * LOAD_FREQ intervals.
+ *
+ * When making the ILB scale, we should try to pull this in as well.
+ */
+-static atomic_long_t calc_load_tasks_idle;
++static atomic_long_t calc_load_idle[2];
++static int calc_load_idx;
+
+-static void calc_load_account_idle(struct rq *this_rq)
++static inline int calc_load_write_idx(void)
+ {
++ int idx = calc_load_idx;
++
++ /*
++ * See calc_global_nohz(), if we observe the new index, we also
++ * need to observe the new update time.
++ */
++ smp_rmb();
++
++ /*
++ * If the folding window started, make sure we start writing in the
++ * next idle-delta.
++ */
++ if (!time_before(jiffies, calc_load_update))
++ idx++;
++
++ return idx & 1;
++}
++
++static inline int calc_load_read_idx(void)
++{
++ return calc_load_idx & 1;
++}
++
++void calc_load_enter_idle(void)
++{
++ struct rq *this_rq = this_rq();
+ long delta;
+
++ /*
++ * We're going into NOHZ mode, if there's any pending delta, fold it
++ * into the pending idle delta.
++ */
+ delta = calc_load_fold_active(this_rq);
+- if (delta)
+- atomic_long_add(delta, &calc_load_tasks_idle);
++ if (delta) {
++ int idx = calc_load_write_idx();
++ atomic_long_add(delta, &calc_load_idle[idx]);
++ }
+ }
+
+-static long calc_load_fold_idle(void)
++void calc_load_exit_idle(void)
+ {
+- long delta = 0;
++ struct rq *this_rq = this_rq();
++
++ /*
++ * If we're still before the sample window, we're done.
++ */
++ if (time_before(jiffies, this_rq->calc_load_update))
++ return;
+
+ /*
+- * Its got a race, we don't care...
++ * We woke inside or after the sample window, this means we're already
++ * accounted through the nohz accounting, so skip the entire deal and
++ * sync up for the next window.
+ */
+- if (atomic_long_read(&calc_load_tasks_idle))
+- delta = atomic_long_xchg(&calc_load_tasks_idle, 0);
++ this_rq->calc_load_update = calc_load_update;
++ if (time_before(jiffies, this_rq->calc_load_update + 10))
++ this_rq->calc_load_update += LOAD_FREQ;
++}
++
++static long calc_load_fold_idle(void)
++{
++ int idx = calc_load_read_idx();
++ long delta = 0;
++
++ if (atomic_long_read(&calc_load_idle[idx]))
++ delta = atomic_long_xchg(&calc_load_idle[idx], 0);
+
+ return delta;
+ }
+@@ -3542,66 +3694,39 @@ static void calc_global_nohz(void)
+ {
+ long delta, active, n;
+
+- /*
+- * If we crossed a calc_load_update boundary, make sure to fold
+- * any pending idle changes, the respective CPUs might have
+- * missed the tick driven calc_load_account_active() update
+- * due to NO_HZ.
+- */
+- delta = calc_load_fold_idle();
+- if (delta)
+- atomic_long_add(delta, &calc_load_tasks);
+-
+- /*
+- * It could be the one fold was all it took, we done!
+- */
+- if (time_before(jiffies, calc_load_update + 10))
+- return;
+-
+- /*
+- * Catch-up, fold however many we are behind still
+- */
+- delta = jiffies - calc_load_update - 10;
+- n = 1 + (delta / LOAD_FREQ);
++ if (!time_before(jiffies, calc_load_update + 10)) {
++ /*
++ * Catch-up, fold however many we are behind still
++ */
++ delta = jiffies - calc_load_update - 10;
++ n = 1 + (delta / LOAD_FREQ);
+
+- active = atomic_long_read(&calc_load_tasks);
+- active = active > 0 ? active * FIXED_1 : 0;
++ active = atomic_long_read(&calc_load_tasks);
++ active = active > 0 ? active * FIXED_1 : 0;
+
+- avenrun[0] = calc_load_n(avenrun[0], EXP_1, active, n);
+- avenrun[1] = calc_load_n(avenrun[1], EXP_5, active, n);
+- avenrun[2] = calc_load_n(avenrun[2], EXP_15, active, n);
++ avenrun[0] = calc_load_n(avenrun[0], EXP_1, active, n);
++ avenrun[1] = calc_load_n(avenrun[1], EXP_5, active, n);
++ avenrun[2] = calc_load_n(avenrun[2], EXP_15, active, n);
+
+- calc_load_update += n * LOAD_FREQ;
+-}
+-#else
+-static void calc_load_account_idle(struct rq *this_rq)
+-{
+-}
++ calc_load_update += n * LOAD_FREQ;
++ }
+
+-static inline long calc_load_fold_idle(void)
+-{
+- return 0;
++ /*
++ * Flip the idle index...
++ *
++ * Make sure we first write the new time then flip the index, so that
++ * calc_load_write_idx() will see the new time when it reads the new
++ * index, this avoids a double flip messing things up.
++ */
++ smp_wmb();
++ calc_load_idx++;
+ }
++#else /* !CONFIG_NO_HZ */
+
+-static void calc_global_nohz(void)
+-{
+-}
+-#endif
++static inline long calc_load_fold_idle(void) { return 0; }
++static inline void calc_global_nohz(void) { }
+
+-/**
+- * get_avenrun - get the load average array
+- * @loads: pointer to dest load array
+- * @offset: offset to add
+- * @shift: shift count to shift the result left
+- *
+- * These values are estimates at best, so no need for locking.
+- */
+-void get_avenrun(unsigned long *loads, unsigned long offset, int shift)
+-{
+- loads[0] = (avenrun[0] + offset) << shift;
+- loads[1] = (avenrun[1] + offset) << shift;
+- loads[2] = (avenrun[2] + offset) << shift;
+-}
++#endif /* CONFIG_NO_HZ */
+
+ /*
+ * calc_load - update the avenrun load estimates 10 ticks after the
+@@ -3609,11 +3734,18 @@ void get_avenrun(unsigned long *loads, unsigned long offset, int shift)
+ */
+ void calc_global_load(unsigned long ticks)
+ {
+- long active;
++ long active, delta;
+
+ if (time_before(jiffies, calc_load_update + 10))
+ return;
+
++ /*
++ * Fold the 'old' idle-delta to include all NO_HZ cpus.
++ */
++ delta = calc_load_fold_idle();
++ if (delta)
++ atomic_long_add(delta, &calc_load_tasks);
++
+ active = atomic_long_read(&calc_load_tasks);
+ active = active > 0 ? active * FIXED_1 : 0;
+
+@@ -3624,12 +3756,7 @@ void calc_global_load(unsigned long ticks)
+ calc_load_update += LOAD_FREQ;
+
+ /*
+- * Account one period with whatever state we found before
+- * folding in the nohz state and ageing the entire idle period.
+- *
+- * This avoids loosing a sample when we go idle between
+- * calc_load_account_active() (10 ticks ago) and now and thus
+- * under-accounting.
++ * In case we idled for multiple LOAD_FREQ intervals, catch up in bulk.
+ */
+ calc_global_nohz();
+ }
+@@ -3646,7 +3773,6 @@ static void calc_load_account_active(struct rq *this_rq)
+ return;
+
+ delta = calc_load_fold_active(this_rq);
+- delta += calc_load_fold_idle();
+ if (delta)
+ atomic_long_add(delta, &calc_load_tasks);
+
+@@ -3654,6 +3780,10 @@ static void calc_load_account_active(struct rq *this_rq)
+ }
+
+ /*
++ * End of global load-average stuff
++ */
++
++/*
+ * The exact cpuload at various idx values, calculated at every tick would be
+ * load = (2^idx - 1) / 2^idx * load + 1 / 2^idx * cur_load
+ *
+diff --git a/kernel/sched_idletask.c b/kernel/sched_idletask.c
+index 0a51882..be92bfe 100644
+--- a/kernel/sched_idletask.c
++++ b/kernel/sched_idletask.c
+@@ -23,7 +23,6 @@ static void check_preempt_curr_idle(struct rq *rq, struct task_struct *p, int fl
+ static struct task_struct *pick_next_task_idle(struct rq *rq)
+ {
+ schedstat_inc(rq, sched_goidle);
+- calc_load_account_idle(rq);
+ return rq->idle;
+ }
+
+diff --git a/kernel/time/ntp.c b/kernel/time/ntp.c
+index 4b85a7a..f1eb182 100644
+--- a/kernel/time/ntp.c
++++ b/kernel/time/ntp.c
+@@ -31,8 +31,6 @@ unsigned long tick_nsec;
+ u64 tick_length;
+ static u64 tick_length_base;
+
+-static struct hrtimer leap_timer;
+-
+ #define MAX_TICKADJ 500LL /* usecs */
+ #define MAX_TICKADJ_SCALED \
+ (((MAX_TICKADJ * NSEC_PER_USEC) << NTP_SCALE_SHIFT) / NTP_INTERVAL_FREQ)
+@@ -350,60 +348,60 @@ void ntp_clear(void)
+ }
+
+ /*
+- * Leap second processing. If in leap-insert state at the end of the
+- * day, the system clock is set back one second; if in leap-delete
+- * state, the system clock is set ahead one second.
++ * this routine handles the overflow of the microsecond field
++ *
++ * The tricky bits of code to handle the accurate clock support
++ * were provided by Dave Mills (Mills@UDEL.EDU) of NTP fame.
++ * They were originally developed for SUN and DEC kernels.
++ * All the kudos should go to Dave for this stuff.
++ *
++ * Also handles leap second processing, and returns leap offset
+ */
+-static enum hrtimer_restart ntp_leap_second(struct hrtimer *timer)
++int second_overflow(unsigned long secs)
+ {
+- enum hrtimer_restart res = HRTIMER_NORESTART;
+-
+- write_seqlock(&xtime_lock);
++ int leap = 0;
++ s64 delta;
+
++ /*
++ * Leap second processing. If in leap-insert state at the end of the
++ * day, the system clock is set back one second; if in leap-delete
++ * state, the system clock is set ahead one second.
++ */
+ switch (time_state) {
+ case TIME_OK:
++ if (time_status & STA_INS)
++ time_state = TIME_INS;
++ else if (time_status & STA_DEL)
++ time_state = TIME_DEL;
+ break;
+ case TIME_INS:
+- timekeeping_leap_insert(-1);
+- time_state = TIME_OOP;
+- printk(KERN_NOTICE
+- "Clock: inserting leap second 23:59:60 UTC\n");
+- hrtimer_add_expires_ns(&leap_timer, NSEC_PER_SEC);
+- res = HRTIMER_RESTART;
++ if (secs % 86400 == 0) {
++ leap = -1;
++ time_state = TIME_OOP;
++ time_tai++;
++ printk(KERN_NOTICE
++ "Clock: inserting leap second 23:59:60 UTC\n");
++ }
+ break;
+ case TIME_DEL:
+- timekeeping_leap_insert(1);
+- time_tai--;
+- time_state = TIME_WAIT;
+- printk(KERN_NOTICE
+- "Clock: deleting leap second 23:59:59 UTC\n");
++ if ((secs + 1) % 86400 == 0) {
++ leap = 1;
++ time_tai--;
++ time_state = TIME_WAIT;
++ printk(KERN_NOTICE
++ "Clock: deleting leap second 23:59:59 UTC\n");
++ }
+ break;
+ case TIME_OOP:
+- time_tai++;
+ time_state = TIME_WAIT;
+- /* fall through */
++ break;
++
+ case TIME_WAIT:
+ if (!(time_status & (STA_INS | STA_DEL)))
+ time_state = TIME_OK;
+ break;
+ }
+
+- write_sequnlock(&xtime_lock);
+-
+- return res;
+-}
+-
+-/*
+- * this routine handles the overflow of the microsecond field
+- *
+- * The tricky bits of code to handle the accurate clock support
+- * were provided by Dave Mills (Mills@UDEL.EDU) of NTP fame.
+- * They were originally developed for SUN and DEC kernels.
+- * All the kudos should go to Dave for this stuff.
+- */
+-void second_overflow(void)
+-{
+- s64 delta;
+
+ /* Bump the maxerror field */
+ time_maxerror += MAXFREQ / NSEC_PER_USEC;
+@@ -423,23 +421,25 @@ void second_overflow(void)
+ pps_dec_valid();
+
+ if (!time_adjust)
+- return;
++ goto out;
+
+ if (time_adjust > MAX_TICKADJ) {
+ time_adjust -= MAX_TICKADJ;
+ tick_length += MAX_TICKADJ_SCALED;
+- return;
++ goto out;
+ }
+
+ if (time_adjust < -MAX_TICKADJ) {
+ time_adjust += MAX_TICKADJ;
+ tick_length -= MAX_TICKADJ_SCALED;
+- return;
++ goto out;
+ }
+
+ tick_length += (s64)(time_adjust * NSEC_PER_USEC / NTP_INTERVAL_FREQ)
+ << NTP_SCALE_SHIFT;
+ time_adjust = 0;
++out:
++ return leap;
+ }
+
+ #ifdef CONFIG_GENERIC_CMOS_UPDATE
+@@ -501,27 +501,6 @@ static void notify_cmos_timer(void)
+ static inline void notify_cmos_timer(void) { }
+ #endif
+
+-/*
+- * Start the leap seconds timer:
+- */
+-static inline void ntp_start_leap_timer(struct timespec *ts)
+-{
+- long now = ts->tv_sec;
+-
+- if (time_status & STA_INS) {
+- time_state = TIME_INS;
+- now += 86400 - now % 86400;
+- hrtimer_start(&leap_timer, ktime_set(now, 0), HRTIMER_MODE_ABS);
+-
+- return;
+- }
+-
+- if (time_status & STA_DEL) {
+- time_state = TIME_DEL;
+- now += 86400 - (now + 1) % 86400;
+- hrtimer_start(&leap_timer, ktime_set(now, 0), HRTIMER_MODE_ABS);
+- }
+-}
+
+ /*
+ * Propagate a new txc->status value into the NTP state:
+@@ -546,22 +525,6 @@ static inline void process_adj_status(struct timex *txc, struct timespec *ts)
+ time_status &= STA_RONLY;
+ time_status |= txc->status & ~STA_RONLY;
+
+- switch (time_state) {
+- case TIME_OK:
+- ntp_start_leap_timer(ts);
+- break;
+- case TIME_INS:
+- case TIME_DEL:
+- time_state = TIME_OK;
+- ntp_start_leap_timer(ts);
+- case TIME_WAIT:
+- if (!(time_status & (STA_INS | STA_DEL)))
+- time_state = TIME_OK;
+- break;
+- case TIME_OOP:
+- hrtimer_restart(&leap_timer);
+- break;
+- }
+ }
+ /*
+ * Called with the xtime lock held, so we can access and modify
+@@ -643,9 +606,6 @@ int do_adjtimex(struct timex *txc)
+ (txc->tick < 900000/USER_HZ ||
+ txc->tick > 1100000/USER_HZ))
+ return -EINVAL;
+-
+- if (txc->modes & ADJ_STATUS && time_state != TIME_OK)
+- hrtimer_cancel(&leap_timer);
+ }
+
+ if (txc->modes & ADJ_SETOFFSET) {
+@@ -967,6 +927,4 @@ __setup("ntp_tick_adj=", ntp_tick_adj_setup);
+ void __init ntp_init(void)
+ {
+ ntp_clear();
+- hrtimer_init(&leap_timer, CLOCK_REALTIME, HRTIMER_MODE_ABS);
+- leap_timer.function = ntp_leap_second;
+ }
+diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c
+index c923640..9955ebd 100644
+--- a/kernel/time/tick-sched.c
++++ b/kernel/time/tick-sched.c
+@@ -430,6 +430,7 @@ void tick_nohz_stop_sched_tick(int inidle)
+ */
+ if (!ts->tick_stopped) {
+ select_nohz_load_balancer(1);
++ calc_load_enter_idle();
+
+ ts->idle_tick = hrtimer_get_expires(&ts->sched_timer);
+ ts->tick_stopped = 1;
+@@ -563,6 +564,7 @@ void tick_nohz_restart_sched_tick(void)
+ account_idle_ticks(ticks);
+ #endif
+
++ calc_load_exit_idle();
+ touch_softlockup_watchdog();
+ /*
+ * Cancel the scheduled timer and restore the tick
+diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
+index 2378413..03e67d4 100644
+--- a/kernel/time/timekeeping.c
++++ b/kernel/time/timekeeping.c
+@@ -161,23 +161,43 @@ static struct timespec xtime __attribute__ ((aligned (16)));
+ static struct timespec wall_to_monotonic __attribute__ ((aligned (16)));
+ static struct timespec total_sleep_time;
+
++/* Offset clock monotonic -> clock realtime */
++static ktime_t offs_real;
++
++/* Offset clock monotonic -> clock boottime */
++static ktime_t offs_boot;
++
+ /*
+ * The raw monotonic time for the CLOCK_MONOTONIC_RAW posix clock.
+ */
+ static struct timespec raw_time;
+
+-/* flag for if timekeeping is suspended */
+-int __read_mostly timekeeping_suspended;
++/* must hold write on xtime_lock */
++static void update_rt_offset(void)
++{
++ struct timespec tmp, *wtm = &wall_to_monotonic;
+
+-/* must hold xtime_lock */
+-void timekeeping_leap_insert(int leapsecond)
++ set_normalized_timespec(&tmp, -wtm->tv_sec, -wtm->tv_nsec);
++ offs_real = timespec_to_ktime(tmp);
++}
++
++/* must hold write on xtime_lock */
++static void timekeeping_update(bool clearntp)
+ {
+- xtime.tv_sec += leapsecond;
+- wall_to_monotonic.tv_sec -= leapsecond;
+- update_vsyscall(&xtime, &wall_to_monotonic, timekeeper.clock,
+- timekeeper.mult);
++ if (clearntp) {
++ timekeeper.ntp_error = 0;
++ ntp_clear();
++ }
++ update_rt_offset();
++ update_vsyscall(&xtime, &wall_to_monotonic,
++ timekeeper.clock, timekeeper.mult);
+ }
+
++
++
++/* flag for if timekeeping is suspended */
++int __read_mostly timekeeping_suspended;
++
+ /**
+ * timekeeping_forward_now - update clock to the current time
+ *
+@@ -375,11 +395,7 @@ int do_settimeofday(const struct timespec *tv)
+
+ xtime = *tv;
+
+- timekeeper.ntp_error = 0;
+- ntp_clear();
+-
+- update_vsyscall(&xtime, &wall_to_monotonic, timekeeper.clock,
+- timekeeper.mult);
++ timekeeping_update(true);
+
+ write_sequnlock_irqrestore(&xtime_lock, flags);
+
+@@ -412,11 +428,7 @@ int timekeeping_inject_offset(struct timespec *ts)
+ xtime = timespec_add(xtime, *ts);
+ wall_to_monotonic = timespec_sub(wall_to_monotonic, *ts);
+
+- timekeeper.ntp_error = 0;
+- ntp_clear();
+-
+- update_vsyscall(&xtime, &wall_to_monotonic, timekeeper.clock,
+- timekeeper.mult);
++ timekeeping_update(true);
+
+ write_sequnlock_irqrestore(&xtime_lock, flags);
+
+@@ -591,6 +603,7 @@ void __init timekeeping_init(void)
+ }
+ set_normalized_timespec(&wall_to_monotonic,
+ -boot.tv_sec, -boot.tv_nsec);
++ update_rt_offset();
+ total_sleep_time.tv_sec = 0;
+ total_sleep_time.tv_nsec = 0;
+ write_sequnlock_irqrestore(&xtime_lock, flags);
+@@ -599,6 +612,12 @@ void __init timekeeping_init(void)
+ /* time in seconds when suspend began */
+ static struct timespec timekeeping_suspend_time;
+
++static void update_sleep_time(struct timespec t)
++{
++ total_sleep_time = t;
++ offs_boot = timespec_to_ktime(t);
++}
++
+ /**
+ * __timekeeping_inject_sleeptime - Internal function to add sleep interval
+ * @delta: pointer to a timespec delta value
+@@ -616,7 +635,7 @@ static void __timekeeping_inject_sleeptime(struct timespec *delta)
+
+ xtime = timespec_add(xtime, *delta);
+ wall_to_monotonic = timespec_sub(wall_to_monotonic, *delta);
+- total_sleep_time = timespec_add(total_sleep_time, *delta);
++ update_sleep_time(timespec_add(total_sleep_time, *delta));
+ }
+
+
+@@ -645,10 +664,7 @@ void timekeeping_inject_sleeptime(struct timespec *delta)
+
+ __timekeeping_inject_sleeptime(delta);
+
+- timekeeper.ntp_error = 0;
+- ntp_clear();
+- update_vsyscall(&xtime, &wall_to_monotonic, timekeeper.clock,
+- timekeeper.mult);
++ timekeeping_update(true);
+
+ write_sequnlock_irqrestore(&xtime_lock, flags);
+
+@@ -683,6 +699,7 @@ static void timekeeping_resume(void)
+ timekeeper.clock->cycle_last = timekeeper.clock->read(timekeeper.clock);
+ timekeeper.ntp_error = 0;
+ timekeeping_suspended = 0;
++ timekeeping_update(false);
+ write_sequnlock_irqrestore(&xtime_lock, flags);
+
+ touch_softlockup_watchdog();
+@@ -942,9 +959,14 @@ static cycle_t logarithmic_accumulation(cycle_t offset, int shift)
+
+ timekeeper.xtime_nsec += timekeeper.xtime_interval << shift;
+ while (timekeeper.xtime_nsec >= nsecps) {
++ int leap;
+ timekeeper.xtime_nsec -= nsecps;
+ xtime.tv_sec++;
+- second_overflow();
++ leap = second_overflow(xtime.tv_sec);
++ xtime.tv_sec += leap;
++ wall_to_monotonic.tv_sec -= leap;
++ if (leap)
++ clock_was_set_delayed();
+ }
+
+ /* Accumulate raw time */
+@@ -1050,14 +1072,17 @@ static void update_wall_time(void)
+ * xtime.tv_nsec isn't larger then NSEC_PER_SEC
+ */
+ if (unlikely(xtime.tv_nsec >= NSEC_PER_SEC)) {
++ int leap;
+ xtime.tv_nsec -= NSEC_PER_SEC;
+ xtime.tv_sec++;
+- second_overflow();
++ leap = second_overflow(xtime.tv_sec);
++ xtime.tv_sec += leap;
++ wall_to_monotonic.tv_sec -= leap;
++ if (leap)
++ clock_was_set_delayed();
+ }
+
+- /* check to see if there is a new clocksource to use */
+- update_vsyscall(&xtime, &wall_to_monotonic, timekeeper.clock,
+- timekeeper.mult);
++ timekeeping_update(false);
+ }
+
+ /**
+@@ -1216,6 +1241,40 @@ void get_xtime_and_monotonic_and_sleep_offset(struct timespec *xtim,
+ } while (read_seqretry(&xtime_lock, seq));
+ }
+
++#ifdef CONFIG_HIGH_RES_TIMERS
++/**
++ * ktime_get_update_offsets - hrtimer helper
++ * @real: pointer to storage for monotonic -> realtime offset
++ * @_boot: pointer to storage for monotonic -> boottime offset
++ *
++ * Returns current monotonic time and updates the offsets
++ * Called from hrtimer_interupt() or retrigger_next_event()
++ */
++ktime_t ktime_get_update_offsets(ktime_t *real, ktime_t *boot)
++{
++ ktime_t now;
++ unsigned int seq;
++ u64 secs, nsecs;
++
++ do {
++ seq = read_seqbegin(&xtime_lock);
++
++ secs = xtime.tv_sec;
++ nsecs = xtime.tv_nsec;
++ nsecs += timekeeping_get_ns();
++ /* If arch requires, add in gettimeoffset() */
++ nsecs += arch_gettimeoffset();
++
++ *real = offs_real;
++ *boot = offs_boot;
++ } while (read_seqretry(&xtime_lock, seq));
++
++ now = ktime_add_ns(ktime_set(secs, 0), nsecs);
++ now = ktime_sub(now, *real);
++ return now;
++}
++#endif
++
+ /**
+ * ktime_get_monotonic_offset() - get wall_to_monotonic in ktime_t format
+ */
+diff --git a/mm/compaction.c b/mm/compaction.c
+index 8fb8a40..50f1c60 100644
+--- a/mm/compaction.c
++++ b/mm/compaction.c
+@@ -592,8 +592,11 @@ static int compact_zone(struct zone *zone, struct compact_control *cc)
+ if (err) {
+ putback_lru_pages(&cc->migratepages);
+ cc->nr_migratepages = 0;
++ if (err == -ENOMEM) {
++ ret = COMPACT_PARTIAL;
++ goto out;
++ }
+ }
+-
+ }
+
+ out:
+diff --git a/mm/hugetlb.c b/mm/hugetlb.c
+index 5f5c545..7c535b0 100644
+--- a/mm/hugetlb.c
++++ b/mm/hugetlb.c
+@@ -53,6 +53,84 @@ static unsigned long __initdata default_hstate_size;
+ */
+ static DEFINE_SPINLOCK(hugetlb_lock);
+
++static inline void unlock_or_release_subpool(struct hugepage_subpool *spool)
++{
++ bool free = (spool->count == 0) && (spool->used_hpages == 0);
++
++ spin_unlock(&spool->lock);
++
++ /* If no pages are used, and no other handles to the subpool
++ * remain, free the subpool the subpool remain */
++ if (free)
++ kfree(spool);
++}
++
++struct hugepage_subpool *hugepage_new_subpool(long nr_blocks)
++{
++ struct hugepage_subpool *spool;
++
++ spool = kmalloc(sizeof(*spool), GFP_KERNEL);
++ if (!spool)
++ return NULL;
++
++ spin_lock_init(&spool->lock);
++ spool->count = 1;
++ spool->max_hpages = nr_blocks;
++ spool->used_hpages = 0;
++
++ return spool;
++}
++
++void hugepage_put_subpool(struct hugepage_subpool *spool)
++{
++ spin_lock(&spool->lock);
++ BUG_ON(!spool->count);
++ spool->count--;
++ unlock_or_release_subpool(spool);
++}
++
++static int hugepage_subpool_get_pages(struct hugepage_subpool *spool,
++ long delta)
++{
++ int ret = 0;
++
++ if (!spool)
++ return 0;
++
++ spin_lock(&spool->lock);
++ if ((spool->used_hpages + delta) <= spool->max_hpages) {
++ spool->used_hpages += delta;
++ } else {
++ ret = -ENOMEM;
++ }
++ spin_unlock(&spool->lock);
++
++ return ret;
++}
++
++static void hugepage_subpool_put_pages(struct hugepage_subpool *spool,
++ long delta)
++{
++ if (!spool)
++ return;
++
++ spin_lock(&spool->lock);
++ spool->used_hpages -= delta;
++ /* If hugetlbfs_put_super couldn't free spool due to
++ * an outstanding quota reference, free it now. */
++ unlock_or_release_subpool(spool);
++}
++
++static inline struct hugepage_subpool *subpool_inode(struct inode *inode)
++{
++ return HUGETLBFS_SB(inode->i_sb)->spool;
++}
++
++static inline struct hugepage_subpool *subpool_vma(struct vm_area_struct *vma)
++{
++ return subpool_inode(vma->vm_file->f_dentry->d_inode);
++}
++
+ /*
+ * Region tracking -- allows tracking of reservations and instantiated pages
+ * across the pages in a mapping.
+@@ -533,9 +611,9 @@ static void free_huge_page(struct page *page)
+ */
+ struct hstate *h = page_hstate(page);
+ int nid = page_to_nid(page);
+- struct address_space *mapping;
++ struct hugepage_subpool *spool =
++ (struct hugepage_subpool *)page_private(page);
+
+- mapping = (struct address_space *) page_private(page);
+ set_page_private(page, 0);
+ page->mapping = NULL;
+ BUG_ON(page_count(page));
+@@ -551,8 +629,7 @@ static void free_huge_page(struct page *page)
+ enqueue_huge_page(h, page);
+ }
+ spin_unlock(&hugetlb_lock);
+- if (mapping)
+- hugetlb_put_quota(mapping, 1);
++ hugepage_subpool_put_pages(spool, 1);
+ }
+
+ static void prep_new_huge_page(struct hstate *h, struct page *page, int nid)
+@@ -966,11 +1043,12 @@ static void return_unused_surplus_pages(struct hstate *h,
+ /*
+ * Determine if the huge page at addr within the vma has an associated
+ * reservation. Where it does not we will need to logically increase
+- * reservation and actually increase quota before an allocation can occur.
+- * Where any new reservation would be required the reservation change is
+- * prepared, but not committed. Once the page has been quota'd allocated
+- * an instantiated the change should be committed via vma_commit_reservation.
+- * No action is required on failure.
++ * reservation and actually increase subpool usage before an allocation
++ * can occur. Where any new reservation would be required the
++ * reservation change is prepared, but not committed. Once the page
++ * has been allocated from the subpool and instantiated the change should
++ * be committed via vma_commit_reservation. No action is required on
++ * failure.
+ */
+ static long vma_needs_reservation(struct hstate *h,
+ struct vm_area_struct *vma, unsigned long addr)
+@@ -1019,24 +1097,24 @@ static void vma_commit_reservation(struct hstate *h,
+ static struct page *alloc_huge_page(struct vm_area_struct *vma,
+ unsigned long addr, int avoid_reserve)
+ {
++ struct hugepage_subpool *spool = subpool_vma(vma);
+ struct hstate *h = hstate_vma(vma);
+ struct page *page;
+- struct address_space *mapping = vma->vm_file->f_mapping;
+- struct inode *inode = mapping->host;
+ long chg;
+
+ /*
+- * Processes that did not create the mapping will have no reserves and
+- * will not have accounted against quota. Check that the quota can be
+- * made before satisfying the allocation
+- * MAP_NORESERVE mappings may also need pages and quota allocated
+- * if no reserve mapping overlaps.
++ * Processes that did not create the mapping will have no
++ * reserves and will not have accounted against subpool
++ * limit. Check that the subpool limit can be made before
++ * satisfying the allocation MAP_NORESERVE mappings may also
++ * need pages and subpool limit allocated allocated if no reserve
++ * mapping overlaps.
+ */
+ chg = vma_needs_reservation(h, vma, addr);
+ if (chg < 0)
+ return ERR_PTR(-VM_FAULT_OOM);
+ if (chg)
+- if (hugetlb_get_quota(inode->i_mapping, chg))
++ if (hugepage_subpool_get_pages(spool, chg))
+ return ERR_PTR(-VM_FAULT_SIGBUS);
+
+ spin_lock(&hugetlb_lock);
+@@ -1046,12 +1124,12 @@ static struct page *alloc_huge_page(struct vm_area_struct *vma,
+ if (!page) {
+ page = alloc_buddy_huge_page(h, NUMA_NO_NODE);
+ if (!page) {
+- hugetlb_put_quota(inode->i_mapping, chg);
++ hugepage_subpool_put_pages(spool, chg);
+ return ERR_PTR(-VM_FAULT_SIGBUS);
+ }
+ }
+
+- set_page_private(page, (unsigned long) mapping);
++ set_page_private(page, (unsigned long)spool);
+
+ vma_commit_reservation(h, vma, addr);
+
+@@ -2081,6 +2159,7 @@ static void hugetlb_vm_op_close(struct vm_area_struct *vma)
+ {
+ struct hstate *h = hstate_vma(vma);
+ struct resv_map *reservations = vma_resv_map(vma);
++ struct hugepage_subpool *spool = subpool_vma(vma);
+ unsigned long reserve;
+ unsigned long start;
+ unsigned long end;
+@@ -2096,7 +2175,7 @@ static void hugetlb_vm_op_close(struct vm_area_struct *vma)
+
+ if (reserve) {
+ hugetlb_acct_memory(h, -reserve);
+- hugetlb_put_quota(vma->vm_file->f_mapping, reserve);
++ hugepage_subpool_put_pages(spool, reserve);
+ }
+ }
+ }
+@@ -2326,7 +2405,7 @@ static int unmap_ref_private(struct mm_struct *mm, struct vm_area_struct *vma,
+ address = address & huge_page_mask(h);
+ pgoff = ((address - vma->vm_start) >> PAGE_SHIFT)
+ + (vma->vm_pgoff >> PAGE_SHIFT);
+- mapping = (struct address_space *)page_private(page);
++ mapping = vma->vm_file->f_dentry->d_inode->i_mapping;
+
+ /*
+ * Take the mapping lock for the duration of the table walk. As
+@@ -2865,11 +2944,12 @@ int hugetlb_reserve_pages(struct inode *inode,
+ {
+ long ret, chg;
+ struct hstate *h = hstate_inode(inode);
++ struct hugepage_subpool *spool = subpool_inode(inode);
+
+ /*
+ * Only apply hugepage reservation if asked. At fault time, an
+ * attempt will be made for VM_NORESERVE to allocate a page
+- * and filesystem quota without using reserves
++ * without using reserves
+ */
+ if (vm_flags & VM_NORESERVE)
+ return 0;
+@@ -2898,19 +2978,19 @@ int hugetlb_reserve_pages(struct inode *inode,
+ goto out_err;
+ }
+
+- /* There must be enough filesystem quota for the mapping */
+- if (hugetlb_get_quota(inode->i_mapping, chg)) {
++ /* There must be enough pages in the subpool for the mapping */
++ if (hugepage_subpool_get_pages(spool, chg)) {
+ ret = -ENOSPC;
+ goto out_err;
+ }
+
+ /*
+ * Check enough hugepages are available for the reservation.
+- * Hand back the quota if there are not
++ * Hand the pages back to the subpool if there are not
+ */
+ ret = hugetlb_acct_memory(h, chg);
+ if (ret < 0) {
+- hugetlb_put_quota(inode->i_mapping, chg);
++ hugepage_subpool_put_pages(spool, chg);
+ goto out_err;
+ }
+
+@@ -2938,12 +3018,13 @@ void hugetlb_unreserve_pages(struct inode *inode, long offset, long freed)
+ {
+ struct hstate *h = hstate_inode(inode);
+ long chg = region_truncate(&inode->i_mapping->private_list, offset);
++ struct hugepage_subpool *spool = subpool_inode(inode);
+
+ spin_lock(&inode->i_lock);
+ inode->i_blocks -= (blocks_per_huge_page(h) * freed);
+ spin_unlock(&inode->i_lock);
+
+- hugetlb_put_quota(inode->i_mapping, (chg - freed));
++ hugepage_subpool_put_pages(spool, (chg - freed));
+ hugetlb_acct_memory(h, -(chg - freed));
+ }
+
+diff --git a/mm/vmscan.c b/mm/vmscan.c
+index fbe2d2c..8342119 100644
+--- a/mm/vmscan.c
++++ b/mm/vmscan.c
+@@ -2824,7 +2824,10 @@ static void kswapd_try_to_sleep(pg_data_t *pgdat, int order, int classzone_idx)
+ * them before going back to sleep.
+ */
+ set_pgdat_percpu_threshold(pgdat, calculate_normal_threshold);
+- schedule();
++
++ if (!kthread_should_stop())
++ schedule();
++
+ set_pgdat_percpu_threshold(pgdat, calculate_pressure_threshold);
+ } else {
+ if (remaining)
+@@ -3090,14 +3093,17 @@ int kswapd_run(int nid)
+ }
+
+ /*
+- * Called by memory hotplug when all memory in a node is offlined.
++ * Called by memory hotplug when all memory in a node is offlined. Caller must
++ * hold lock_memory_hotplug().
+ */
+ void kswapd_stop(int nid)
+ {
+ struct task_struct *kswapd = NODE_DATA(nid)->kswapd;
+
+- if (kswapd)
++ if (kswapd) {
+ kthread_stop(kswapd);
++ NODE_DATA(nid)->kswapd = NULL;
++ }
+ }
+
+ static int __init kswapd_init(void)
+diff --git a/net/can/raw.c b/net/can/raw.c
+index cde1b4a..46cca3a 100644
+--- a/net/can/raw.c
++++ b/net/can/raw.c
+@@ -681,9 +681,6 @@ static int raw_sendmsg(struct kiocb *iocb, struct socket *sock,
+ if (err < 0)
+ goto free_skb;
+
+- /* to be able to check the received tx sock reference in raw_rcv() */
+- skb_shinfo(skb)->tx_flags |= SKBTX_DRV_NEEDS_SK_REF;
+-
+ skb->dev = dev;
+ skb->sk = sk;
+
+diff --git a/net/core/dev.c b/net/core/dev.c
+index 1cbddc9..5738654 100644
+--- a/net/core/dev.c
++++ b/net/core/dev.c
+@@ -2079,25 +2079,6 @@ static int dev_gso_segment(struct sk_buff *skb, int features)
+ return 0;
+ }
+
+-/*
+- * Try to orphan skb early, right before transmission by the device.
+- * We cannot orphan skb if tx timestamp is requested or the sk-reference
+- * is needed on driver level for other reasons, e.g. see net/can/raw.c
+- */
+-static inline void skb_orphan_try(struct sk_buff *skb)
+-{
+- struct sock *sk = skb->sk;
+-
+- if (sk && !skb_shinfo(skb)->tx_flags) {
+- /* skb_tx_hash() wont be able to get sk.
+- * We copy sk_hash into skb->rxhash
+- */
+- if (!skb->rxhash)
+- skb->rxhash = sk->sk_hash;
+- skb_orphan(skb);
+- }
+-}
+-
+ static bool can_checksum_protocol(unsigned long features, __be16 protocol)
+ {
+ return ((features & NETIF_F_GEN_CSUM) ||
+@@ -2182,8 +2163,6 @@ int dev_hard_start_xmit(struct sk_buff *skb, struct net_device *dev,
+ if (!list_empty(&ptype_all))
+ dev_queue_xmit_nit(skb, dev);
+
+- skb_orphan_try(skb);
+-
+ features = netif_skb_features(skb);
+
+ if (vlan_tx_tag_present(skb) &&
+@@ -2293,7 +2272,7 @@ u16 __skb_tx_hash(const struct net_device *dev, const struct sk_buff *skb,
+ if (skb->sk && skb->sk->sk_hash)
+ hash = skb->sk->sk_hash;
+ else
+- hash = (__force u16) skb->protocol ^ skb->rxhash;
++ hash = (__force u16) skb->protocol;
+ hash = jhash_1word(hash, hashrnd);
+
+ return (u16) (((u64) hash * qcount) >> 32) + qoffset;
+diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
+index 9726927..32e6ca2 100644
+--- a/net/ipv4/tcp_input.c
++++ b/net/ipv4/tcp_input.c
+@@ -5836,6 +5836,8 @@ int tcp_rcv_state_process(struct sock *sk, struct sk_buff *skb,
+ goto discard;
+
+ if (th->syn) {
++ if (th->fin)
++ goto discard;
+ if (icsk->icsk_af_ops->conn_request(sk, skb) < 0)
+ return 1;
+
+diff --git a/net/iucv/af_iucv.c b/net/iucv/af_iucv.c
+index 274d150..cf98d62 100644
+--- a/net/iucv/af_iucv.c
++++ b/net/iucv/af_iucv.c
+@@ -380,7 +380,6 @@ static int afiucv_hs_send(struct iucv_message *imsg, struct sock *sock,
+ skb_trim(skb, skb->dev->mtu);
+ }
+ skb->protocol = ETH_P_AF_IUCV;
+- skb_shinfo(skb)->tx_flags |= SKBTX_DRV_NEEDS_SK_REF;
+ nskb = skb_clone(skb, GFP_ATOMIC);
+ if (!nskb)
+ return -ENOMEM;
+diff --git a/net/wireless/util.c b/net/wireless/util.c
+index d38815d..74d5292 100644
+--- a/net/wireless/util.c
++++ b/net/wireless/util.c
+@@ -813,7 +813,7 @@ int cfg80211_change_iface(struct cfg80211_registered_device *rdev,
+ ntype == NL80211_IFTYPE_P2P_CLIENT))
+ return -EBUSY;
+
+- if (ntype != otype) {
++ if (ntype != otype && netif_running(dev)) {
+ err = cfg80211_can_change_interface(rdev, dev->ieee80211_ptr,
+ ntype);
+ if (err)
+diff --git a/scripts/depmod.sh b/scripts/depmod.sh
+index a272356..2ae4817 100755
+--- a/scripts/depmod.sh
++++ b/scripts/depmod.sh
+@@ -9,12 +9,6 @@ fi
+ DEPMOD=$1
+ KERNELRELEASE=$2
+
+-if ! "$DEPMOD" -V 2>/dev/null | grep -q module-init-tools; then
+- echo "Warning: you may need to install module-init-tools" >&2
+- echo "See http://www.codemonkey.org.uk/docs/post-halloween-2.6.txt" >&2
+- sleep 1
+-fi
+-
+ if ! test -r System.map -a -x "$DEPMOD"; then
+ exit 0
+ fi
+diff --git a/virt/kvm/irq_comm.c b/virt/kvm/irq_comm.c
+index 9f614b4..272407c 100644
+--- a/virt/kvm/irq_comm.c
++++ b/virt/kvm/irq_comm.c
+@@ -318,6 +318,7 @@ static int setup_routing_entry(struct kvm_irq_routing_table *rt,
+ */
+ hlist_for_each_entry(ei, n, &rt->map[ue->gsi], link)
+ if (ei->type == KVM_IRQ_ROUTING_MSI ||
++ ue->type == KVM_IRQ_ROUTING_MSI ||
+ ue->u.irqchip.irqchip == ei->irqchip.irqchip)
+ return r;
+