path: root/1231_linux-5.4.232.patch

diff --git a/Makefile b/Makefile
index 3cbbc82e2ddf2..87828284236e3 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
 VERSION = 5
 PATCHLEVEL = 4
-SUBLEVEL = 231
+SUBLEVEL = 232
 EXTRAVERSION =
 NAME = Kleptomaniac Octopus
 
diff --git a/arch/arm64/boot/dts/amlogic/meson-axg.dtsi b/arch/arm64/boot/dts/amlogic/meson-axg.dtsi
index 502c4ac45c29e..8732229f0588c 100644
--- a/arch/arm64/boot/dts/amlogic/meson-axg.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-axg.dtsi
@@ -1705,7 +1705,7 @@
 			sd_emmc_b: sd@5000 {
 				compatible = "amlogic,meson-axg-mmc";
 				reg = <0x0 0x5000 0x0 0x800>;
-				interrupts = <GIC_SPI 217 IRQ_TYPE_EDGE_RISING>;
+				interrupts = <GIC_SPI 217 IRQ_TYPE_LEVEL_HIGH>;
 				status = "disabled";
 				clocks = <&clkc CLKID_SD_EMMC_B>,
 					<&clkc CLKID_SD_EMMC_B_CLK0>,
@@ -1717,7 +1717,7 @@
 			sd_emmc_c: mmc@7000 {
 				compatible = "amlogic,meson-axg-mmc";
 				reg = <0x0 0x7000 0x0 0x800>;
-				interrupts = <GIC_SPI 218 IRQ_TYPE_EDGE_RISING>;
+				interrupts = <GIC_SPI 218 IRQ_TYPE_LEVEL_HIGH>;
 				status = "disabled";
 				clocks = <&clkc CLKID_SD_EMMC_C>,
 					<&clkc CLKID_SD_EMMC_C_CLK0>,
diff --git a/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
index d2d255a988a81..6b495587eee2d 100644
--- a/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi
@@ -2317,7 +2317,7 @@
 		sd_emmc_a: sd@ffe03000 {
 			compatible = "amlogic,meson-axg-mmc";
 			reg = <0x0 0xffe03000 0x0 0x800>;
-			interrupts = <GIC_SPI 189 IRQ_TYPE_EDGE_RISING>;
+			interrupts = <GIC_SPI 189 IRQ_TYPE_LEVEL_HIGH>;
 			status = "disabled";
 			clocks = <&clkc CLKID_SD_EMMC_A>,
 				 <&clkc CLKID_SD_EMMC_A_CLK0>,
@@ -2329,7 +2329,7 @@
 		sd_emmc_b: sd@ffe05000 {
 			compatible = "amlogic,meson-axg-mmc";
 			reg = <0x0 0xffe05000 0x0 0x800>;
-			interrupts = <GIC_SPI 190 IRQ_TYPE_EDGE_RISING>;
+			interrupts = <GIC_SPI 190 IRQ_TYPE_LEVEL_HIGH>;
 			status = "disabled";
 			clocks = <&clkc CLKID_SD_EMMC_B>,
 				 <&clkc CLKID_SD_EMMC_B_CLK0>,
@@ -2341,7 +2341,7 @@
 		sd_emmc_c: mmc@ffe07000 {
 			compatible = "amlogic,meson-axg-mmc";
 			reg = <0x0 0xffe07000 0x0 0x800>;
-			interrupts = <GIC_SPI 191 IRQ_TYPE_EDGE_RISING>;
+			interrupts = <GIC_SPI 191 IRQ_TYPE_LEVEL_HIGH>;
 			status = "disabled";
 			clocks = <&clkc CLKID_SD_EMMC_C>,
 				 <&clkc CLKID_SD_EMMC_C_CLK0>,
diff --git a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi
index ad7bc0eec6682..0c667ec15f8cf 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gx.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-gx.dtsi
@@ -528,21 +528,21 @@
 			sd_emmc_a: mmc@70000 {
 				compatible = "amlogic,meson-gx-mmc", "amlogic,meson-gxbb-mmc";
 				reg = <0x0 0x70000 0x0 0x800>;
-				interrupts = <GIC_SPI 216 IRQ_TYPE_EDGE_RISING>;
+				interrupts = <GIC_SPI 216 IRQ_TYPE_LEVEL_HIGH>;
 				status = "disabled";
 			};
 
 			sd_emmc_b: mmc@72000 {
 				compatible = "amlogic,meson-gx-mmc", "amlogic,meson-gxbb-mmc";
 				reg = <0x0 0x72000 0x0 0x800>;
-				interrupts = <GIC_SPI 217 IRQ_TYPE_EDGE_RISING>;
+				interrupts = <GIC_SPI 217 IRQ_TYPE_LEVEL_HIGH>;
 				status = "disabled";
 			};
 
 			sd_emmc_c: mmc@74000 {
 				compatible = "amlogic,meson-gx-mmc", "amlogic,meson-gxbb-mmc";
 				reg = <0x0 0x74000 0x0 0x800>;
-				interrupts = <GIC_SPI 218 IRQ_TYPE_EDGE_RISING>;
+				interrupts = <GIC_SPI 218 IRQ_TYPE_LEVEL_HIGH>;
 				status = "disabled";
 			};
 		};
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-pinfunc.h b/arch/arm64/boot/dts/freescale/imx8mm-pinfunc.h
index 93b44efdbc527..35a60b0d3a4f0 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-pinfunc.h
+++ b/arch/arm64/boot/dts/freescale/imx8mm-pinfunc.h
@@ -585,7 +585,7 @@
 #define MX8MM_IOMUXC_UART1_RXD_GPIO5_IO22                                   0x234 0x49C 0x000 0x5 0x0
 #define MX8MM_IOMUXC_UART1_RXD_TPSMP_HDATA24                                0x234 0x49C 0x000 0x7 0x0
 #define MX8MM_IOMUXC_UART1_TXD_UART1_DCE_TX                                 0x238 0x4A0 0x000 0x0 0x0
-#define MX8MM_IOMUXC_UART1_TXD_UART1_DTE_RX                                 0x238 0x4A0 0x4F4 0x0 0x0
+#define MX8MM_IOMUXC_UART1_TXD_UART1_DTE_RX                                 0x238 0x4A0 0x4F4 0x0 0x1
 #define MX8MM_IOMUXC_UART1_TXD_ECSPI3_MOSI                                  0x238 0x4A0 0x000 0x1 0x0
 #define MX8MM_IOMUXC_UART1_TXD_GPIO5_IO23                                   0x238 0x4A0 0x000 0x5 0x0
 #define MX8MM_IOMUXC_UART1_TXD_TPSMP_HDATA25                                0x238 0x4A0 0x000 0x7 0x0
diff --git a/arch/parisc/kernel/firmware.c b/arch/parisc/kernel/firmware.c
index 1d976f2ebff0f..2496cb2c55511 100644
--- a/arch/parisc/kernel/firmware.c
+++ b/arch/parisc/kernel/firmware.c
@@ -1229,7 +1229,7 @@ static char __attribute__((aligned(64))) iodc_dbuf[4096];
  */
 int pdc_iodc_print(const unsigned char *str, unsigned count)
 {
-	unsigned int i;
+	unsigned int i, found = 0;
 	unsigned long flags;
 
 	for (i = 0; i < count;) {
@@ -1238,6 +1238,7 @@ int pdc_iodc_print(const unsigned char *str, unsigned count)
 			iodc_dbuf[i+0] = '\r';
 			iodc_dbuf[i+1] = '\n';
 			i += 2;
+			found = 1;
 			goto print;
 		default:
 			iodc_dbuf[i] = str[i];
@@ -1254,7 +1255,7 @@ print:
                     __pa(iodc_retbuf), 0, __pa(iodc_dbuf), i, 0);
         spin_unlock_irqrestore(&pdc_lock, flags);
 
-	return i;
+	return i - found;
 }
 
 #if !defined(BOOTLOADER)
diff --git a/arch/parisc/kernel/ptrace.c b/arch/parisc/kernel/ptrace.c
index 9f6ff7bc06f9a..7407fee7d8182 100644
--- a/arch/parisc/kernel/ptrace.c
+++ b/arch/parisc/kernel/ptrace.c
@@ -128,6 +128,12 @@ long arch_ptrace(struct task_struct *child, long request,
 	unsigned long tmp;
 	long ret = -EIO;
 
+	unsigned long user_regs_struct_size = sizeof(struct user_regs_struct);
+#ifdef CONFIG_64BIT
+	if (is_compat_task())
+		user_regs_struct_size /= 2;
+#endif
+
 	switch (request) {
 
 	/* Read the word at location addr in the USER area.  For ptraced
@@ -183,14 +189,14 @@ long arch_ptrace(struct task_struct *child, long request,
 		return copy_regset_to_user(child,
 					   task_user_regset_view(current),
 					   REGSET_GENERAL,
-					   0, sizeof(struct user_regs_struct),
+					   0, user_regs_struct_size,
 					   datap);
 
 	case PTRACE_SETREGS:	/* Set all gp regs in the child. */
 		return copy_regset_from_user(child,
 					     task_user_regset_view(current),
 					     REGSET_GENERAL,
-					     0, sizeof(struct user_regs_struct),
+					     0, user_regs_struct_size,
 					     datap);
 
 	case PTRACE_GETFPREGS:	/* Get the child FPU state. */
@@ -304,6 +310,11 @@ long compat_arch_ptrace(struct task_struct *child, compat_long_t request,
 			}
 		}
 		break;
+	case PTRACE_GETREGS:
+	case PTRACE_SETREGS:
+	case PTRACE_GETFPREGS:
+	case PTRACE_SETFPREGS:
+		return arch_ptrace(child, request, addr, data);
 
 	default:
 		ret = compat_ptrace_request(child, request, addr, data);
diff --git a/arch/powerpc/perf/imc-pmu.c b/arch/powerpc/perf/imc-pmu.c
index b0e4241e7609d..d42f2e091201a 100644
--- a/arch/powerpc/perf/imc-pmu.c
+++ b/arch/powerpc/perf/imc-pmu.c
@@ -21,7 +21,7 @@
  * Used to avoid races in counting the nest-pmu units during hotplug
  * register and unregister
  */
-static DEFINE_SPINLOCK(nest_init_lock);
+static DEFINE_MUTEX(nest_init_lock);
 static DEFINE_PER_CPU(struct imc_pmu_ref *, local_nest_imc_refc);
 static struct imc_pmu **per_nest_pmu_arr;
 static cpumask_t nest_imc_cpumask;
@@ -1605,7 +1605,7 @@ static void imc_common_mem_free(struct imc_pmu *pmu_ptr)
 static void imc_common_cpuhp_mem_free(struct imc_pmu *pmu_ptr)
 {
 	if (pmu_ptr->domain == IMC_DOMAIN_NEST) {
-		spin_lock(&nest_init_lock);
+		mutex_lock(&nest_init_lock);
 		if (nest_pmus == 1) {
 			cpuhp_remove_state(CPUHP_AP_PERF_POWERPC_NEST_IMC_ONLINE);
 			kfree(nest_imc_refc);
@@ -1615,7 +1615,7 @@ static void imc_common_cpuhp_mem_free(struct imc_pmu *pmu_ptr)
 
 		if (nest_pmus > 0)
 			nest_pmus--;
-		spin_unlock(&nest_init_lock);
+		mutex_unlock(&nest_init_lock);
 	}
 
 	/* Free core_imc memory */
@@ -1772,11 +1772,11 @@ int init_imc_pmu(struct device_node *parent, struct imc_pmu *pmu_ptr, int pmu_id
 		* rest. To handle the cpuhotplug callback unregister, we track
 		* the number of nest pmus in "nest_pmus".
 		*/
-		spin_lock(&nest_init_lock);
+		mutex_lock(&nest_init_lock);
 		if (nest_pmus == 0) {
 			ret = init_nest_pmu_ref();
 			if (ret) {
-				spin_unlock(&nest_init_lock);
+				mutex_unlock(&nest_init_lock);
 				kfree(per_nest_pmu_arr);
 				per_nest_pmu_arr = NULL;
 				goto err_free_mem;
@@ -1784,7 +1784,7 @@ int init_imc_pmu(struct device_node *parent, struct imc_pmu *pmu_ptr, int pmu_id
 			/* Register for cpu hotplug notification. */
 			ret = nest_pmu_cpumask_init();
 			if (ret) {
-				spin_unlock(&nest_init_lock);
+				mutex_unlock(&nest_init_lock);
 				kfree(nest_imc_refc);
 				kfree(per_nest_pmu_arr);
 				per_nest_pmu_arr = NULL;
@@ -1792,7 +1792,7 @@ int init_imc_pmu(struct device_node *parent, struct imc_pmu *pmu_ptr, int pmu_id
 			}
 		}
 		nest_pmus++;
-		spin_unlock(&nest_init_lock);
+		mutex_unlock(&nest_init_lock);
 		break;
 	case IMC_DOMAIN_CORE:
 		ret = core_imc_pmu_cpumask_init();
diff --git a/arch/riscv/Makefile b/arch/riscv/Makefile
index aed3ba97575bf..1641d82014127 100644
--- a/arch/riscv/Makefile
+++ b/arch/riscv/Makefile
@@ -75,6 +75,9 @@ ifeq ($(CONFIG_PERF_EVENTS),y)
         KBUILD_CFLAGS += -fno-omit-frame-pointer
 endif
 
+# Avoid generating .eh_frame sections.
+KBUILD_CFLAGS += -fno-asynchronous-unwind-tables -fno-unwind-tables
+
 KBUILD_CFLAGS_MODULE += $(call cc-option,-mno-relax)
 KBUILD_AFLAGS_MODULE += $(call as-option,-Wa$(comma)-mno-relax)
 
diff --git a/arch/riscv/mm/cacheflush.c b/arch/riscv/mm/cacheflush.c
index c54bd3c799552..9d1ec8c8b7183 100644
--- a/arch/riscv/mm/cacheflush.c
+++ b/arch/riscv/mm/cacheflush.c
@@ -71,6 +71,8 @@ void flush_icache_pte(pte_t pte)
 {
 	struct page *page = pte_page(pte);
 
-	if (!test_and_set_bit(PG_dcache_clean, &page->flags))
+	if (!test_bit(PG_dcache_clean, &page->flags)) {
 		flush_icache_all();
+		set_bit(PG_dcache_clean, &page->flags);
+	}
 }
diff --git a/arch/s390/boot/compressed/decompressor.c b/arch/s390/boot/compressed/decompressor.c
index 45046630c56ac..c42ab33bd4524 100644
--- a/arch/s390/boot/compressed/decompressor.c
+++ b/arch/s390/boot/compressed/decompressor.c
@@ -80,6 +80,6 @@ void *decompress_kernel(void)
 	void *output = (void *)decompress_offset;
 
 	__decompress(_compressed_start, _compressed_end - _compressed_start,
-		     NULL, NULL, output, 0, NULL, error);
+		     NULL, NULL, output, vmlinux.image_size, NULL, error);
 	return output;
 }
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 93727f8092ee4..cf37a61729972 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -3948,12 +3948,11 @@ static void kvm_vcpu_ioctl_x86_get_debugregs(struct kvm_vcpu *vcpu,
 {
 	unsigned long val;
 
+	memset(dbgregs, 0, sizeof(*dbgregs));
 	memcpy(dbgregs->db, vcpu->arch.db, sizeof(vcpu->arch.db));
 	kvm_get_dr(vcpu, 6, &val);
 	dbgregs->dr6 = val;
 	dbgregs->dr7 = vcpu->arch.dr7;
-	dbgregs->flags = 0;
-	memset(&dbgregs->reserved, 0, sizeof(dbgregs->reserved));
 }
 
 static int kvm_vcpu_ioctl_x86_set_debugregs(struct kvm_vcpu *vcpu,
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index fbb1676aa33f1..c06f618b1aa3c 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -3096,7 +3096,7 @@ int sata_down_spd_limit(struct ata_link *link, u32 spd_limit)
 	 */
 	if (spd > 1)
 		mask &= (1 << (spd - 1)) - 1;
-	else
+	else if (link->sata_spd)
 		return -EINVAL;
 
 	/* were we already at the bottom? */
diff --git a/drivers/bus/sunxi-rsb.c b/drivers/bus/sunxi-rsb.c
index f8c29b888e6b4..98cbb18f17fa3 100644
--- a/drivers/bus/sunxi-rsb.c
+++ b/drivers/bus/sunxi-rsb.c
@@ -781,7 +781,13 @@ static int __init sunxi_rsb_init(void)
 		return ret;
 	}
 
-	return platform_driver_register(&sunxi_rsb_driver);
+	ret = platform_driver_register(&sunxi_rsb_driver);
+	if (ret) {
+		bus_unregister(&sunxi_rsb_bus);
+		return ret;
+	}
+
+	return 0;
 }
 module_init(sunxi_rsb_init);
 
diff --git a/drivers/firewire/core-cdev.c b/drivers/firewire/core-cdev.c
index 3a43e5d6ed3b2..4fe36d549d615 100644
--- a/drivers/firewire/core-cdev.c
+++ b/drivers/firewire/core-cdev.c
@@ -818,8 +818,10 @@ static int ioctl_send_response(struct client *client, union ioctl_arg *arg)
 
 	r = container_of(resource, struct inbound_transaction_resource,
 			 resource);
-	if (is_fcp_request(r->request))
+	if (is_fcp_request(r->request)) {
+		kfree(r->data);
 		goto out;
+	}
 
 	if (a->length != fw_get_response_length(r->request)) {
 		ret = -EINVAL;
diff --git a/drivers/firmware/efi/efi.c b/drivers/firmware/efi/efi.c
index eb98018ab420e..ed31b08855f94 100644
--- a/drivers/firmware/efi/efi.c
+++ b/drivers/firmware/efi/efi.c
@@ -1022,6 +1022,8 @@ int __ref efi_mem_reserve_persistent(phys_addr_t addr, u64 size)
 	/* first try to find a slot in an existing linked list entry */
 	for (prsv = efi_memreserve_root->next; prsv; ) {
 		rsv = memremap(prsv, sizeof(*rsv), MEMREMAP_WB);
+		if (!rsv)
+			return -ENOMEM;
 		index = atomic_fetch_add_unless(&rsv->count, 1, rsv->size);
 		if (index < rsv->size) {
 			rsv->entry[index].base = addr;
diff --git a/drivers/firmware/efi/memattr.c b/drivers/firmware/efi/memattr.c
index 5d343dc8e5354..5f577357c3e7e 100644
--- a/drivers/firmware/efi/memattr.c
+++ b/drivers/firmware/efi/memattr.c
@@ -32,7 +32,7 @@ int __init efi_memattr_init(void)
 		return -ENOMEM;
 	}
 
-	if (tbl->version > 1) {
+	if (tbl->version > 2) {
 		pr_warn("Unexpected EFI Memory Attributes table version %d\n",
 			tbl->version);
 		goto unmap;
diff --git a/drivers/fpga/stratix10-soc.c b/drivers/fpga/stratix10-soc.c
index 559839a960b60..04452520fd811 100644
--- a/drivers/fpga/stratix10-soc.c
+++ b/drivers/fpga/stratix10-soc.c
@@ -218,9 +218,9 @@ static int s10_ops_write_init(struct fpga_manager *mgr,
 	/* Allocate buffers from the service layer's pool. */
 	for (i = 0; i < NUM_SVC_BUFS; i++) {
 		kbuf = stratix10_svc_allocate_memory(priv->chan, SVC_BUF_SIZE);
-		if (!kbuf) {
+		if (IS_ERR(kbuf)) {
 			s10_free_buffers(mgr);
-			ret = -ENOMEM;
+			ret = PTR_ERR(kbuf);
 			goto init_done;
 		}
 
diff --git a/drivers/fsi/fsi-sbefifo.c b/drivers/fsi/fsi-sbefifo.c
index c8ccc99e214fa..84a60d2d8e8ad 100644
--- a/drivers/fsi/fsi-sbefifo.c
+++ b/drivers/fsi/fsi-sbefifo.c
@@ -640,7 +640,7 @@ static void sbefifo_collect_async_ffdc(struct sbefifo *sbefifo)
 	}
         ffdc_iov.iov_base = ffdc;
 	ffdc_iov.iov_len = SBEFIFO_MAX_FFDC_SIZE;
-        iov_iter_kvec(&ffdc_iter, WRITE, &ffdc_iov, 1, SBEFIFO_MAX_FFDC_SIZE);
+        iov_iter_kvec(&ffdc_iter, READ, &ffdc_iov, 1, SBEFIFO_MAX_FFDC_SIZE);
 	cmd[0] = cpu_to_be32(2);
 	cmd[1] = cpu_to_be32(SBEFIFO_CMD_GET_SBE_FFDC);
 	rc = sbefifo_do_command(sbefifo, cmd, 2, &ffdc_iter);
@@ -737,7 +737,7 @@ int sbefifo_submit(struct device *dev, const __be32 *command, size_t cmd_len,
 	rbytes = (*resp_len) * sizeof(__be32);
 	resp_iov.iov_base = response;
 	resp_iov.iov_len = rbytes;
-        iov_iter_kvec(&resp_iter, WRITE, &resp_iov, 1, rbytes);
+        iov_iter_kvec(&resp_iter, READ, &resp_iov, 1, rbytes);
 
 	/* Perform the command */
 	mutex_lock(&sbefifo->lock);
@@ -817,7 +817,7 @@ static ssize_t sbefifo_user_read(struct file *file, char __user *buf,
 	/* Prepare iov iterator */
 	resp_iov.iov_base = buf;
 	resp_iov.iov_len = len;
-	iov_iter_init(&resp_iter, WRITE, &resp_iov, 1, len);
+	iov_iter_init(&resp_iter, READ, &resp_iov, 1, len);
 
 	/* Perform the command */
 	mutex_lock(&sbefifo->lock);
diff --git a/drivers/i2c/busses/i2c-rk3x.c b/drivers/i2c/busses/i2c-rk3x.c
index 1107a5e7229e4..ac3ae14a4c079 100644
--- a/drivers/i2c/busses/i2c-rk3x.c
+++ b/drivers/i2c/busses/i2c-rk3x.c
@@ -79,7 +79,7 @@ enum {
 #define DEFAULT_SCL_RATE  (100 * 1000) /* Hz */
 
 /**
- * struct i2c_spec_values:
+ * struct i2c_spec_values - I2C specification values for various modes
  * @min_hold_start_ns: min hold time (repeated) START condition
  * @min_low_ns: min LOW period of the SCL clock
  * @min_high_ns: min HIGH period of the SCL cloc
@@ -135,7 +135,7 @@ static const struct i2c_spec_values fast_mode_plus_spec = {
 };
 
 /**
- * struct rk3x_i2c_calced_timings:
+ * struct rk3x_i2c_calced_timings - calculated V1 timings
  * @div_low: Divider output for low
  * @div_high: Divider output for high
  * @tuning: Used to adjust setup/hold data time,
@@ -158,7 +158,7 @@ enum rk3x_i2c_state {
 };
 
 /**
- * struct rk3x_i2c_soc_data:
+ * struct rk3x_i2c_soc_data - SOC-specific data
  * @grf_offset: offset inside the grf regmap for setting the i2c type
  * @calc_timings: Callback function for i2c timing information calculated
  */
@@ -238,7 +238,8 @@ static inline void rk3x_i2c_clean_ipd(struct rk3x_i2c *i2c)
 }
 
 /**
- * Generate a START condition, which triggers a REG_INT_START interrupt.
+ * rk3x_i2c_start - Generate a START condition, which triggers a REG_INT_START interrupt.
+ * @i2c: target controller data
  */
 static void rk3x_i2c_start(struct rk3x_i2c *i2c)
 {
@@ -257,8 +258,8 @@ static void rk3x_i2c_start(struct rk3x_i2c *i2c)
 }
 
 /**
- * Generate a STOP condition, which triggers a REG_INT_STOP interrupt.
- *
+ * rk3x_i2c_stop - Generate a STOP condition, which triggers a REG_INT_STOP interrupt.
+ * @i2c: target controller data
  * @error: Error code to return in rk3x_i2c_xfer
  */
 static void rk3x_i2c_stop(struct rk3x_i2c *i2c, int error)
@@ -297,7 +298,8 @@ static void rk3x_i2c_stop(struct rk3x_i2c *i2c, int error)
 }
 
 /**
- * Setup a read according to i2c->msg
+ * rk3x_i2c_prepare_read - Setup a read according to i2c->msg
+ * @i2c: target controller data
  */
 static void rk3x_i2c_prepare_read(struct rk3x_i2c *i2c)
 {
@@ -328,7 +330,8 @@ static void rk3x_i2c_prepare_read(struct rk3x_i2c *i2c)
 }
 
 /**
- * Fill the transmit buffer with data from i2c->msg
+ * rk3x_i2c_fill_transmit_buf - Fill the transmit buffer with data from i2c->msg
+ * @i2c: target controller data
  */
 static void rk3x_i2c_fill_transmit_buf(struct rk3x_i2c *i2c)
 {
@@ -531,11 +534,10 @@ out:
 }
 
 /**
- * Get timing values of I2C specification
- *
+ * rk3x_i2c_get_spec - Get timing values of I2C specification
  * @speed: Desired SCL frequency
  *
- * Returns: Matched i2c spec values.
+ * Return: Matched i2c_spec_values.
  */
 static const struct i2c_spec_values *rk3x_i2c_get_spec(unsigned int speed)
 {
@@ -548,13 +550,12 @@ static const struct i2c_spec_values *rk3x_i2c_get_spec(unsigned int speed)
 }
 
 /**
- * Calculate divider values for desired SCL frequency
- *
+ * rk3x_i2c_v0_calc_timings - Calculate divider values for desired SCL frequency
  * @clk_rate: I2C input clock rate
  * @t: Known I2C timing information
  * @t_calc: Caculated rk3x private timings that would be written into regs
  *
- * Returns: 0 on success, -EINVAL if the goal SCL rate is too slow. In that case
+ * Return: %0 on success, -%EINVAL if the goal SCL rate is too slow. In that case
  * a best-effort divider value is returned in divs. If the target rate is
  * too high, we silently use the highest possible rate.
  */
@@ -709,13 +710,12 @@ static int rk3x_i2c_v0_calc_timings(unsigned long clk_rate,
 }
 
 /**
- * Calculate timing values for desired SCL frequency
- *
+ * rk3x_i2c_v1_calc_timings - Calculate timing values for desired SCL frequency
  * @clk_rate: I2C input clock rate
  * @t: Known I2C timing information
  * @t_calc: Caculated rk3x private timings that would be written into regs
  *
- * Returns: 0 on success, -EINVAL if the goal SCL rate is too slow. In that case
+ * Return: %0 on success, -%EINVAL if the goal SCL rate is too slow. In that case
  * a best-effort divider value is returned in divs. If the target rate is
  * too high, we silently use the highest possible rate.
  * The following formulas are v1's method to calculate timings.
@@ -959,14 +959,14 @@ static int rk3x_i2c_clk_notifier_cb(struct notifier_block *nb, unsigned long
 }
 
 /**
- * Setup I2C registers for an I2C operation specified by msgs, num.
- *
- * Must be called with i2c->lock held.
- *
+ * rk3x_i2c_setup - Setup I2C registers for an I2C operation specified by msgs, num.
+ * @i2c: target controller data
  * @msgs: I2C msgs to process
  * @num: Number of msgs
  *
- * returns: Number of I2C msgs processed or negative in case of error
+ * Must be called with i2c->lock held.
+ *
+ * Return: Number of I2C msgs processed or negative in case of error
  */
 static int rk3x_i2c_setup(struct rk3x_i2c *i2c, struct i2c_msg *msgs, int num)
 {
diff --git a/drivers/iio/accel/hid-sensor-accel-3d.c b/drivers/iio/accel/hid-sensor-accel-3d.c
index f908476fa095d..a4e0e2b129bcf 100644
--- a/drivers/iio/accel/hid-sensor-accel-3d.c
+++ b/drivers/iio/accel/hid-sensor-accel-3d.c
@@ -279,6 +279,7 @@ static int accel_3d_capture_sample(struct hid_sensor_hub_device *hsdev,
 			hid_sensor_convert_timestamp(
 					&accel_state->common_attributes,
 					*(int64_t *)raw_data);
+		ret = 0;
 	break;
 	default:
 		break;
diff --git a/drivers/iio/adc/berlin2-adc.c b/drivers/iio/adc/berlin2-adc.c
index 72d8fa94ab31c..86fdfea329799 100644
--- a/drivers/iio/adc/berlin2-adc.c
+++ b/drivers/iio/adc/berlin2-adc.c
@@ -289,8 +289,10 @@ static int berlin2_adc_probe(struct platform_device *pdev)
 	int ret;
 
 	indio_dev = devm_iio_device_alloc(&pdev->dev, sizeof(*priv));
-	if (!indio_dev)
+	if (!indio_dev) {
+		of_node_put(parent_np);
 		return -ENOMEM;
+	}
 
 	priv = iio_priv(indio_dev);
 	platform_set_drvdata(pdev, indio_dev);
diff --git a/drivers/iio/adc/stm32-dfsdm-adc.c b/drivers/iio/adc/stm32-dfsdm-adc.c
index c2948defa7853..0c92eb30f0d85 100644
--- a/drivers/iio/adc/stm32-dfsdm-adc.c
+++ b/drivers/iio/adc/stm32-dfsdm-adc.c
@@ -1544,6 +1544,7 @@ static const struct of_device_id stm32_dfsdm_adc_match[] = {
 	},
 	{}
 };
+MODULE_DEVICE_TABLE(of, stm32_dfsdm_adc_match);
 
 static int stm32_dfsdm_adc_probe(struct platform_device *pdev)
 {
diff --git a/drivers/iio/adc/twl6030-gpadc.c b/drivers/iio/adc/twl6030-gpadc.c
index fb77c3ff5a3e4..0a76081747580 100644
--- a/drivers/iio/adc/twl6030-gpadc.c
+++ b/drivers/iio/adc/twl6030-gpadc.c
@@ -57,6 +57,18 @@
 #define TWL6030_GPADCS				BIT(1)
 #define TWL6030_GPADCR				BIT(0)
 
+#define USB_VBUS_CTRL_SET			0x04
+#define USB_ID_CTRL_SET				0x06
+
+#define TWL6030_MISC1				0xE4
+#define VBUS_MEAS				0x01
+#define ID_MEAS					0x01
+
+#define VAC_MEAS                0x04
+#define VBAT_MEAS               0x02
+#define BB_MEAS                 0x01
+
+
 /**
  * struct twl6030_chnl_calib - channel calibration
  * @gain:		slope coefficient for ideal curve
@@ -927,6 +939,26 @@ static int twl6030_gpadc_probe(struct platform_device *pdev)
 		return ret;
 	}
 
+	ret = twl_i2c_write_u8(TWL_MODULE_USB, VBUS_MEAS, USB_VBUS_CTRL_SET);
+	if (ret < 0) {
+		dev_err(dev, "failed to wire up inputs\n");
+		return ret;
+	}
+
+	ret = twl_i2c_write_u8(TWL_MODULE_USB, ID_MEAS, USB_ID_CTRL_SET);
+	if (ret < 0) {
+		dev_err(dev, "failed to wire up inputs\n");
+		return ret;
+	}
+
+	ret = twl_i2c_write_u8(TWL6030_MODULE_ID0,
+				VBAT_MEAS | BB_MEAS | VAC_MEAS,
+				TWL6030_MISC1);
+	if (ret < 0) {
+		dev_err(dev, "failed to wire up inputs\n");
+		return ret;
+	}
+
 	indio_dev->name = DRIVER_NAME;
 	indio_dev->dev.parent = dev;
 	indio_dev->info = &twl6030_gpadc_iio_info;
diff --git a/drivers/infiniband/hw/hfi1/file_ops.c b/drivers/infiniband/hw/hfi1/file_ops.c
index efd977f70f9ea..607e2636a6d16 100644
--- a/drivers/infiniband/hw/hfi1/file_ops.c
+++ b/drivers/infiniband/hw/hfi1/file_ops.c
@@ -1363,12 +1363,15 @@ static int user_exp_rcv_setup(struct hfi1_filedata *fd, unsigned long arg,
 		addr = arg + offsetof(struct hfi1_tid_info, tidcnt);
 		if (copy_to_user((void __user *)addr, &tinfo.tidcnt,
 				 sizeof(tinfo.tidcnt)))
-			return -EFAULT;
+			ret = -EFAULT;
 
 		addr = arg + offsetof(struct hfi1_tid_info, length);
-		if (copy_to_user((void __user *)addr, &tinfo.length,
+		if (!ret && copy_to_user((void __user *)addr, &tinfo.length,
 				 sizeof(tinfo.length)))
 			ret = -EFAULT;
+
+		if (ret)
+			hfi1_user_exp_rcv_invalid(fd, &tinfo);
 	}
 
 	return ret;
diff --git a/drivers/infiniband/hw/usnic/usnic_uiom.c b/drivers/infiniband/hw/usnic/usnic_uiom.c
index 62e6ffa9ad78e..1d060ae47933e 100644
--- a/drivers/infiniband/hw/usnic/usnic_uiom.c
+++ b/drivers/infiniband/hw/usnic/usnic_uiom.c
@@ -281,8 +281,8 @@ iter_chunk:
 				size = pa_end - pa_start + PAGE_SIZE;
 				usnic_dbg("va 0x%lx pa %pa size 0x%zx flags 0x%x",
 					va_start, &pa_start, size, flags);
-				err = iommu_map(pd->domain, va_start, pa_start,
-							size, flags);
+				err = iommu_map_atomic(pd->domain, va_start,
+						       pa_start, size, flags);
 				if (err) {
 					usnic_err("Failed to map va 0x%lx pa %pa size 0x%zx with err %d\n",
 						va_start, &pa_start, size, err);
@@ -298,8 +298,8 @@ iter_chunk:
 				size = pa - pa_start + PAGE_SIZE;
 				usnic_dbg("va 0x%lx pa %pa size 0x%zx flags 0x%x\n",
 					va_start, &pa_start, size, flags);
-				err = iommu_map(pd->domain, va_start, pa_start,
-						size, flags);
+				err = iommu_map_atomic(pd->domain, va_start,
+						       pa_start, size, flags);
 				if (err) {
 					usnic_err("Failed to map va 0x%lx pa %pa size 0x%zx with err %d\n",
 						va_start, &pa_start, size, err);
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c
index 69ecf37053a81..3c3cc6af0a1ef 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_main.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c
@@ -2171,6 +2171,14 @@ int ipoib_intf_init(struct ib_device *hca, u8 port, const char *name,
 		rn->attach_mcast = ipoib_mcast_attach;
 		rn->detach_mcast = ipoib_mcast_detach;
 		rn->hca = hca;
+
+		rc = netif_set_real_num_tx_queues(dev, 1);
+		if (rc)
+			goto out;
+
+		rc = netif_set_real_num_rx_queues(dev, 1);
+		if (rc)
+			goto out;
 	}
 
 	priv->rn_ops = dev->netdev_ops;
diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h
index 0282c4c55e9da..6b2e88da30766 100644
--- a/drivers/input/serio/i8042-x86ia64io.h
+++ b/drivers/input/serio/i8042-x86ia64io.h
@@ -67,25 +67,84 @@ static inline void i8042_write_command(int val)
 
 #include <linux/dmi.h>
 
-static const struct dmi_system_id __initconst i8042_dmi_noloop_table[] = {
+#define SERIO_QUIRK_NOKBD		BIT(0)
+#define SERIO_QUIRK_NOAUX		BIT(1)
+#define SERIO_QUIRK_NOMUX		BIT(2)
+#define SERIO_QUIRK_FORCEMUX		BIT(3)
+#define SERIO_QUIRK_UNLOCK		BIT(4)
+#define SERIO_QUIRK_PROBE_DEFER		BIT(5)
+#define SERIO_QUIRK_RESET_ALWAYS	BIT(6)
+#define SERIO_QUIRK_RESET_NEVER		BIT(7)
+#define SERIO_QUIRK_DIECT		BIT(8)
+#define SERIO_QUIRK_DUMBKBD		BIT(9)
+#define SERIO_QUIRK_NOLOOP		BIT(10)
+#define SERIO_QUIRK_NOTIMEOUT		BIT(11)
+#define SERIO_QUIRK_KBDRESET		BIT(12)
+#define SERIO_QUIRK_DRITEK		BIT(13)
+#define SERIO_QUIRK_NOPNP		BIT(14)
+
+/* Quirk table for different mainboards. Options similar or identical to i8042
+ * module parameters.
+ * ORDERING IS IMPORTANT! The first match will be apllied and the rest ignored.
+ * This allows entries to overwrite vendor wide quirks on a per device basis.
+ * Where this is irrelevant, entries are sorted case sensitive by DMI_SYS_VENDOR
+ * and/or DMI_BOARD_VENDOR to make it easier to avoid dublicate entries.
+ */
+static const struct dmi_system_id i8042_dmi_quirk_table[] __initconst = {
 	{
-		/*
-		 * Arima-Rioworks HDAMB -
-		 * AUX LOOP command does not raise AUX IRQ
-		 */
 		.matches = {
-			DMI_MATCH(DMI_BOARD_VENDOR, "RIOWORKS"),
-			DMI_MATCH(DMI_BOARD_NAME, "HDAMB"),
-			DMI_MATCH(DMI_BOARD_VERSION, "Rev E"),
+			DMI_MATCH(DMI_SYS_VENDOR, "ALIENWARE"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Sentia"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
 	},
 	{
-		/* ASUS G1S */
 		.matches = {
-			DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer Inc."),
-			DMI_MATCH(DMI_BOARD_NAME, "G1S"),
-			DMI_MATCH(DMI_BOARD_VERSION, "1.0"),
+			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
+			DMI_MATCH(DMI_PRODUCT_NAME, "X750LN"),
+		},
+		.driver_data = (void *)(SERIO_QUIRK_NOLOOP)
+	},
+	{
+		/* Asus X450LCP */
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
+			DMI_MATCH(DMI_PRODUCT_NAME, "X450LCP"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_NEVER)
+	},
+	{
+		/* ASUS ZenBook UX425UA */
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
+			DMI_MATCH(DMI_PRODUCT_NAME, "ZenBook UX425UA"),
+		},
+		.driver_data = (void *)(SERIO_QUIRK_PROBE_DEFER | SERIO_QUIRK_RESET_NEVER)
+	},
+	{
+		/* ASUS ZenBook UM325UA */
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
+			DMI_MATCH(DMI_PRODUCT_NAME, "ZenBook UX325UA_UM325UA"),
+		},
+		.driver_data = (void *)(SERIO_QUIRK_PROBE_DEFER | SERIO_QUIRK_RESET_NEVER)
+	},
+	/*
+	 * On some Asus laptops, just running self tests cause problems.
+	 */
+	{
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
+			DMI_MATCH(DMI_CHASSIS_TYPE, "10"), /* Notebook */
+		},
+		.driver_data = (void *)(SERIO_QUIRK_RESET_NEVER)
+	},
+	{
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
+			DMI_MATCH(DMI_CHASSIS_TYPE, "31"), /* Convertible Notebook */
+		},
+		.driver_data = (void *)(SERIO_QUIRK_RESET_NEVER)
 	},
 	{
 		/* ASUS P65UP5 - AUX LOOP command does not raise AUX IRQ */
@@ -94,585 +153,681 @@ static const struct dmi_system_id __initconst i8042_dmi_noloop_table[] = {
 			DMI_MATCH(DMI_BOARD_NAME, "P/I-P65UP5"),
 			DMI_MATCH(DMI_BOARD_VERSION, "REV 2.X"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOLOOP)
 	},
 	{
+		/* ASUS G1S */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
-			DMI_MATCH(DMI_PRODUCT_NAME, "X750LN"),
+			DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer Inc."),
+			DMI_MATCH(DMI_BOARD_NAME, "G1S"),
+			DMI_MATCH(DMI_BOARD_VERSION, "1.0"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOLOOP)
 	},
 	{
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "Compaq"),
-			DMI_MATCH(DMI_PRODUCT_NAME , "ProLiant"),
-			DMI_MATCH(DMI_PRODUCT_VERSION, "8500"),
+			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1360"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
 	},
 	{
+		/* Acer Aspire 5710 */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "Compaq"),
-			DMI_MATCH(DMI_PRODUCT_NAME , "ProLiant"),
-			DMI_MATCH(DMI_PRODUCT_VERSION, "DL760"),
+			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5710"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
 	},
 	{
-		/* Dell Embedded Box PC 3000 */
+		/* Acer Aspire 7738 */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
-			DMI_MATCH(DMI_PRODUCT_NAME, "Embedded Box PC 3000"),
+			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 7738"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
 	},
 	{
-		/* OQO Model 01 */
+		/* Acer Aspire 5536 */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "OQO"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "ZEPTO"),
-			DMI_MATCH(DMI_PRODUCT_VERSION, "00"),
+			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5536"),
+			DMI_MATCH(DMI_PRODUCT_VERSION, "0100"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
 	},
 	{
-		/* ULI EV4873 - AUX LOOP does not work properly */
+		/*
+		 * Acer Aspire 5738z
+		 * Touchpad stops working in mux mode when dis- + re-enabled
+		 * with the touchpad enable/disable toggle hotkey
+		 */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "ULI"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "EV4873"),
-			DMI_MATCH(DMI_PRODUCT_VERSION, "5a"),
+			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5738"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
 	},
 	{
-		/* Microsoft Virtual Machine */
+		/* Acer Aspire One 150 */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "Virtual Machine"),
-			DMI_MATCH(DMI_PRODUCT_VERSION, "VS2005R2"),
+			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "AOA150"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
 	},
 	{
-		/* Medion MAM 2070 */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "Notebook"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "MAM 2070"),
-			DMI_MATCH(DMI_PRODUCT_VERSION, "5a"),
+			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire A114-31"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
 	},
 	{
-		/* Medion Akoya E7225 */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "Medion"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "Akoya E7225"),
-			DMI_MATCH(DMI_PRODUCT_VERSION, "1.0"),
+			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire A314-31"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
 	},
 	{
-		/* Blue FB5601 */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "blue"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "FB5601"),
-			DMI_MATCH(DMI_PRODUCT_VERSION, "M606"),
+			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire A315-31"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
 	},
 	{
-		/* Gigabyte M912 */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "M912"),
-			DMI_MATCH(DMI_PRODUCT_VERSION, "01"),
+			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire ES1-132"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
 	},
 	{
-		/* Gigabyte M1022M netbook */
 		.matches = {
-			DMI_MATCH(DMI_BOARD_VENDOR, "Gigabyte Technology Co.,Ltd."),
-			DMI_MATCH(DMI_BOARD_NAME, "M1022E"),
-			DMI_MATCH(DMI_BOARD_VERSION, "1.02"),
+			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire ES1-332"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
 	},
 	{
-		/* Gigabyte Spring Peak - defines wrong chassis type */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "Spring Peak"),
+			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire ES1-432"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
 	},
 	{
-		/* Gigabyte T1005 - defines wrong chassis type ("Other") */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "T1005"),
+			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate Spin B118-RN"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
 	},
+	/*
+	 * Some Wistron based laptops need us to explicitly enable the 'Dritek
+	 * keyboard extension' to make their extra keys start generating scancodes.
+	 * Originally, this was just confined to older laptops, but a few Acer laptops
+	 * have turned up in 2007 that also need this again.
+	 */
 	{
-		/* Gigabyte T1005M/P - defines wrong chassis type ("Other") */
+		/* Acer Aspire 5100 */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "T1005M/P"),
+			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5100"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_DRITEK)
 	},
 	{
+		/* Acer Aspire 5610 */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv9700"),
-			DMI_MATCH(DMI_PRODUCT_VERSION, "Rev 1"),
+			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5610"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_DRITEK)
 	},
 	{
+		/* Acer Aspire 5630 */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "PEGATRON CORPORATION"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "C15B"),
+			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5630"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_DRITEK)
 	},
 	{
+		/* Acer Aspire 5650 */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "ByteSpeed LLC"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "ByteSpeed Laptop C15B"),
+			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5650"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_DRITEK)
 	},
-	{ }
-};
-
-/*
- * Some Fujitsu notebooks are having trouble with touchpads if
- * active multiplexing mode is activated. Luckily they don't have
- * external PS/2 ports so we can safely disable it.
- * ... apparently some Toshibas don't like MUX mode either and
- * die horrible death on reboot.
- */
-static const struct dmi_system_id __initconst i8042_dmi_nomux_table[] = {
 	{
-		/* Fujitsu Lifebook P7010/P7010D */
+		/* Acer Aspire 5680 */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "P7010"),
+			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5680"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_DRITEK)
 	},
 	{
-		/* Fujitsu Lifebook P7010 */
+		/* Acer Aspire 5720 */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "0000000000"),
+			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5720"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_DRITEK)
 	},
 	{
-		/* Fujitsu Lifebook P5020D */
+		/* Acer Aspire 9110 */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook P Series"),
+			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 9110"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_DRITEK)
 	},
 	{
-		/* Fujitsu Lifebook S2000 */
+		/* Acer TravelMate 660 */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S Series"),
+			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 660"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_DRITEK)
 	},
 	{
-		/* Fujitsu Lifebook S6230 */
+		/* Acer TravelMate 2490 */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S6230"),
+			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2490"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_DRITEK)
 	},
 	{
-		/* Fujitsu Lifebook T725 laptop */
+		/* Acer TravelMate 4280 */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK T725"),
+			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 4280"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_DRITEK)
 	},
 	{
-		/* Fujitsu Lifebook U745 */
+		/* Amoi M636/A737 */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK U745"),
+			DMI_MATCH(DMI_SYS_VENDOR, "Amoi Electronics CO.,LTD."),
+			DMI_MATCH(DMI_PRODUCT_NAME, "M636/A737 platform"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
 	},
 	{
-		/* Fujitsu T70H */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "FMVLT70H"),
+			DMI_MATCH(DMI_SYS_VENDOR, "ByteSpeed LLC"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "ByteSpeed Laptop C15B"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOLOOP)
 	},
 	{
-		/* Fujitsu-Siemens Lifebook T3010 */
+		/* Compal HEL80I */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK T3010"),
+			DMI_MATCH(DMI_SYS_VENDOR, "COMPAL"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "HEL80I"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
 	},
 	{
-		/* Fujitsu-Siemens Lifebook E4010 */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK E4010"),
+			DMI_MATCH(DMI_SYS_VENDOR, "Compaq"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant"),
+			DMI_MATCH(DMI_PRODUCT_VERSION, "8500"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOLOOP)
 	},
 	{
-		/* Fujitsu-Siemens Amilo Pro 2010 */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pro V2010"),
+			DMI_MATCH(DMI_SYS_VENDOR, "Compaq"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "ProLiant"),
+			DMI_MATCH(DMI_PRODUCT_VERSION, "DL760"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOLOOP)
 	},
 	{
-		/* Fujitsu-Siemens Amilo Pro 2030 */
+		/* Advent 4211 */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "AMILO PRO V2030"),
+			DMI_MATCH(DMI_SYS_VENDOR, "DIXONSXP"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Advent 4211"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
 	},
 	{
-		/*
-		 * No data is coming from the touchscreen unless KBC
-		 * is in legacy mode.
-		 */
-		/* Panasonic CF-29 */
+		/* Dell Embedded Box PC 3000 */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "Matsushita"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "CF-29"),
+			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Embedded Box PC 3000"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOLOOP)
 	},
 	{
-		/*
-		 * HP Pavilion DV4017EA -
-		 * errors on MUX ports are reported without raising AUXDATA
-		 * causing "spurious NAK" messages.
-		 */
+		/* Dell XPS M1530 */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EA032EA#ABF)"),
+			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+			DMI_MATCH(DMI_PRODUCT_NAME, "XPS M1530"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
 	},
 	{
-		/*
-		 * HP Pavilion ZT1000 -
-		 * like DV4017EA does not raise AUXERR for errors on MUX ports.
-		 */
+		/* Dell Vostro 1510 */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion Notebook PC"),
-			DMI_MATCH(DMI_PRODUCT_VERSION, "HP Pavilion Notebook ZT1000"),
+			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Vostro1510"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
 	},
 	{
-		/*
-		 * HP Pavilion DV4270ca -
-		 * like DV4017EA does not raise AUXERR for errors on MUX ports.
-		 */
+		/* Dell Vostro V13 */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EH476UA#ABL)"),
+			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Vostro V13"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_NOTIMEOUT)
 	},
 	{
+		/* Dell Vostro 1320 */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P10"),
+			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1320"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
 	},
 	{
+		/* Dell Vostro 1520 */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "EQUIUM A110"),
+			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1520"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
 	},
 	{
+		/* Dell Vostro 1720 */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "SATELLITE C850D"),
+			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1720"),
+		},
+		.driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
+	},
+	{
+		/* Entroware Proteus */
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Entroware"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Proteus"),
+			DMI_MATCH(DMI_PRODUCT_VERSION, "EL07R4"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS)
 	},
+	/*
+	 * Some Fujitsu notebooks are having trouble with touchpads if
+	 * active multiplexing mode is activated. Luckily they don't have
+	 * external PS/2 ports so we can safely disable it.
+	 * ... apparently some Toshibas don't like MUX mode either and
+	 * die horrible death on reboot.
+	 */
 	{
+		/* Fujitsu Lifebook P7010/P7010D */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "ALIENWARE"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "Sentia"),
+			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "P7010"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
 	},
 	{
-		/* Sharp Actius MM20 */
+		/* Fujitsu Lifebook P5020D */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "SHARP"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "PC-MM20 Series"),
+			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook P Series"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
 	},
 	{
-		/* Sony Vaio FS-115b */
+		/* Fujitsu Lifebook S2000 */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FS115B"),
+			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S Series"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
 	},
 	{
-		/*
-		 * Sony Vaio FZ-240E -
-		 * reset and GET ID commands issued via KBD port are
-		 * sometimes being delivered to AUX3.
-		 */
+		/* Fujitsu Lifebook S6230 */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FZ240E"),
+			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S6230"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
 	},
 	{
-		/*
-		 * Most (all?) VAIOs do not have external PS/2 ports nor
-		 * they implement active multiplexing properly, and
-		 * MUX discovery usually messes up keyboard/touchpad.
-		 */
+		/* Fujitsu Lifebook T725 laptop */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
-			DMI_MATCH(DMI_BOARD_NAME, "VAIO"),
+			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK T725"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_NOTIMEOUT)
 	},
 	{
-		/* Amoi M636/A737 */
+		/* Fujitsu Lifebook U745 */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "Amoi Electronics CO.,LTD."),
-			DMI_MATCH(DMI_PRODUCT_NAME, "M636/A737 platform"),
+			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK U745"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
 	},
 	{
-		/* Lenovo 3000 n100 */
+		/* Fujitsu T70H */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "076804U"),
+			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "FMVLT70H"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
 	},
 	{
-		/* Lenovo XiaoXin Air 12 */
+		/* Fujitsu A544 laptop */
+		/* https://bugzilla.redhat.com/show_bug.cgi?id=1111138 */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "80UN"),
+			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK A544"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOTIMEOUT)
 	},
 	{
+		/* Fujitsu AH544 laptop */
+		/* https://bugzilla.kernel.org/show_bug.cgi?id=69731 */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1360"),
+			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK AH544"),
+		},
+		.driver_data = (void *)(SERIO_QUIRK_NOTIMEOUT)
+	},
+	{
+		/* Fujitsu U574 laptop */
+		/* https://bugzilla.kernel.org/show_bug.cgi?id=69731 */
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK U574"),
+		},
+		.driver_data = (void *)(SERIO_QUIRK_NOTIMEOUT)
+	},
+	{
+		/* Fujitsu UH554 laptop */
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK UH544"),
+		},
+		.driver_data = (void *)(SERIO_QUIRK_NOTIMEOUT)
+	},
+	{
+		/* Fujitsu Lifebook P7010 */
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "0000000000"),
+		},
+		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
+	},
+	{
+		/* Fujitsu-Siemens Lifebook T3010 */
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK T3010"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
 	},
 	{
-		/* Acer Aspire 5710 */
+		/* Fujitsu-Siemens Lifebook E4010 */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5710"),
+			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK E4010"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
 	},
 	{
-		/* Acer Aspire 7738 */
+		/* Fujitsu-Siemens Amilo Pro 2010 */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 7738"),
+			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pro V2010"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
 	},
 	{
-		/* Gericom Bellagio */
+		/* Fujitsu-Siemens Amilo Pro 2030 */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "Gericom"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "N34AS6"),
+			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "AMILO PRO V2030"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
 	},
 	{
-		/* IBM 2656 */
+		/* Gigabyte M912 */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "2656"),
+			DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "M912"),
+			DMI_MATCH(DMI_PRODUCT_VERSION, "01"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOLOOP)
 	},
 	{
-		/* Dell XPS M1530 */
+		/* Gigabyte Spring Peak - defines wrong chassis type */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
-			DMI_MATCH(DMI_PRODUCT_NAME, "XPS M1530"),
+			DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Spring Peak"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOLOOP)
 	},
 	{
-		/* Compal HEL80I */
+		/* Gigabyte T1005 - defines wrong chassis type ("Other") */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "COMPAL"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "HEL80I"),
+			DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "T1005"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOLOOP)
 	},
 	{
-		/* Dell Vostro 1510 */
+		/* Gigabyte T1005M/P - defines wrong chassis type ("Other") */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
-			DMI_MATCH(DMI_PRODUCT_NAME, "Vostro1510"),
+			DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "T1005M/P"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOLOOP)
 	},
+	/*
+	 * Some laptops need keyboard reset before probing for the trackpad to get
+	 * it detected, initialised & finally work.
+	 */
 	{
-		/* Acer Aspire 5536 */
+		/* Gigabyte P35 v2 - Elantech touchpad */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5536"),
-			DMI_MATCH(DMI_PRODUCT_VERSION, "0100"),
+			DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "P35V2"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_KBDRESET)
 	},
-	{
-		/* Dell Vostro V13 */
+		{
+		/* Aorus branded Gigabyte X3 Plus - Elantech touchpad */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
-			DMI_MATCH(DMI_PRODUCT_NAME, "Vostro V13"),
+			DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "X3"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_KBDRESET)
 	},
 	{
-		/* Newer HP Pavilion dv4 models */
+		/* Gigabyte P34 - Elantech touchpad */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv4 Notebook PC"),
+			DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "P34"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_KBDRESET)
 	},
 	{
-		/* Asus X450LCP */
+		/* Gigabyte P57 - Elantech touchpad */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
-			DMI_MATCH(DMI_PRODUCT_NAME, "X450LCP"),
+			DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "P57"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_KBDRESET)
 	},
 	{
-		/* Avatar AVIU-145A6 */
+		/* Gericom Bellagio */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "Intel"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "IC4I"),
+			DMI_MATCH(DMI_SYS_VENDOR, "Gericom"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "N34AS6"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
 	},
 	{
-		/* TUXEDO BU1406 */
+		/* Gigabyte M1022M netbook */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "Notebook"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "N24_25BU"),
+			DMI_MATCH(DMI_BOARD_VENDOR, "Gigabyte Technology Co.,Ltd."),
+			DMI_MATCH(DMI_BOARD_NAME, "M1022E"),
+			DMI_MATCH(DMI_BOARD_VERSION, "1.02"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOLOOP)
 	},
 	{
-		/* Lenovo LaVie Z */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
-			DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo LaVie Z"),
+			DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv9700"),
+			DMI_MATCH(DMI_PRODUCT_VERSION, "Rev 1"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOLOOP)
 	},
 	{
 		/*
-		 * Acer Aspire 5738z
-		 * Touchpad stops working in mux mode when dis- + re-enabled
-		 * with the touchpad enable/disable toggle hotkey
+		 * HP Pavilion DV4017EA -
+		 * errors on MUX ports are reported without raising AUXDATA
+		 * causing "spurious NAK" messages.
 		 */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5738"),
+			DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EA032EA#ABF)"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
 	},
 	{
-		/* Entroware Proteus */
+		/*
+		 * HP Pavilion ZT1000 -
+		 * like DV4017EA does not raise AUXERR for errors on MUX ports.
+		 */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "Entroware"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "Proteus"),
-			DMI_MATCH(DMI_PRODUCT_VERSION, "EL07R4"),
+			DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion Notebook PC"),
+			DMI_MATCH(DMI_PRODUCT_VERSION, "HP Pavilion Notebook ZT1000"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
 	},
-	{ }
-};
-
-static const struct dmi_system_id i8042_dmi_forcemux_table[] __initconst = {
 	{
 		/*
-		 * Sony Vaio VGN-CS series require MUX or the touch sensor
-		 * buttons will disturb touchpad operation
+		 * HP Pavilion DV4270ca -
+		 * like DV4017EA does not raise AUXERR for errors on MUX ports.
 		 */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "VGN-CS"),
+			DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EH476UA#ABL)"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
 	},
-	{ }
-};
-
-/*
- * On some Asus laptops, just running self tests cause problems.
- */
-static const struct dmi_system_id i8042_dmi_noselftest_table[] = {
 	{
+		/* Newer HP Pavilion dv4 models */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
-			DMI_MATCH(DMI_CHASSIS_TYPE, "10"), /* Notebook */
-		},
-	}, {
-		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
-			DMI_MATCH(DMI_CHASSIS_TYPE, "31"), /* Convertible Notebook */
+			DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv4 Notebook PC"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_NOTIMEOUT)
 	},
-	{ }
-};
-static const struct dmi_system_id __initconst i8042_dmi_reset_table[] = {
 	{
-		/* MSI Wind U-100 */
+		/* IBM 2656 */
 		.matches = {
-			DMI_MATCH(DMI_BOARD_NAME, "U-100"),
-			DMI_MATCH(DMI_BOARD_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD"),
+			DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "2656"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
 	},
 	{
-		/* LG Electronics X110 */
+		/* Avatar AVIU-145A6 */
 		.matches = {
-			DMI_MATCH(DMI_BOARD_NAME, "X110"),
-			DMI_MATCH(DMI_BOARD_VENDOR, "LG Electronics Inc."),
+			DMI_MATCH(DMI_SYS_VENDOR, "Intel"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "IC4I"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
 	},
 	{
-		/* Acer Aspire One 150 */
+		/* Intel MBO Desktop D845PESV */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "AOA150"),
+			DMI_MATCH(DMI_BOARD_VENDOR, "Intel Corporation"),
+			DMI_MATCH(DMI_BOARD_NAME, "D845PESV"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOPNP)
 	},
 	{
+		/*
+		 * Intel NUC D54250WYK - does not have i8042 controller but
+		 * declares PS/2 devices in DSDT.
+		 */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire A114-31"),
+			DMI_MATCH(DMI_BOARD_VENDOR, "Intel Corporation"),
+			DMI_MATCH(DMI_BOARD_NAME, "D54250WYK"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOPNP)
 	},
 	{
+		/* Lenovo 3000 n100 */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire A314-31"),
+			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "076804U"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
 	},
 	{
+		/* Lenovo XiaoXin Air 12 */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire A315-31"),
+			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "80UN"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
 	},
 	{
+		/* Lenovo LaVie Z */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire ES1-132"),
+			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+			DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo LaVie Z"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
 	},
 	{
+		/* Lenovo Ideapad U455 */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire ES1-332"),
+			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "20046"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
 	},
 	{
+		/* Lenovo ThinkPad L460 */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire ES1-432"),
+			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+			DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad L460"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
 	},
 	{
+		/* Lenovo ThinkPad Twist S230u */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate Spin B118-RN"),
+			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "33474HU"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
 	},
 	{
-		/* Advent 4211 */
+		/* LG Electronics X110 */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "DIXONSXP"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "Advent 4211"),
+			DMI_MATCH(DMI_BOARD_VENDOR, "LG Electronics Inc."),
+			DMI_MATCH(DMI_BOARD_NAME, "X110"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
 	},
 	{
 		/* Medion Akoya Mini E1210 */
@@ -680,6 +835,7 @@ static const struct dmi_system_id __initconst i8042_dmi_reset_table[] = {
 			DMI_MATCH(DMI_SYS_VENDOR, "MEDION"),
 			DMI_MATCH(DMI_PRODUCT_NAME, "E1210"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
 	},
 	{
 		/* Medion Akoya E1222 */
@@ -687,48 +843,62 @@ static const struct dmi_system_id __initconst i8042_dmi_reset_table[] = {
 			DMI_MATCH(DMI_SYS_VENDOR, "MEDION"),
 			DMI_MATCH(DMI_PRODUCT_NAME, "E122X"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
 	},
 	{
-		/* Mivvy M310 */
+		/* MSI Wind U-100 */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "VIOOO"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "N10"),
+			DMI_MATCH(DMI_BOARD_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD"),
+			DMI_MATCH(DMI_BOARD_NAME, "U-100"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS | SERIO_QUIRK_NOPNP)
 	},
 	{
-		/* Dell Vostro 1320 */
+		/*
+		 * No data is coming from the touchscreen unless KBC
+		 * is in legacy mode.
+		 */
+		/* Panasonic CF-29 */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
-			DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1320"),
+			DMI_MATCH(DMI_SYS_VENDOR, "Matsushita"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "CF-29"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
 	},
 	{
-		/* Dell Vostro 1520 */
+		/* Medion Akoya E7225 */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
-			DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1520"),
+			DMI_MATCH(DMI_SYS_VENDOR, "Medion"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Akoya E7225"),
+			DMI_MATCH(DMI_PRODUCT_VERSION, "1.0"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOLOOP)
 	},
 	{
-		/* Dell Vostro 1720 */
+		/* Microsoft Virtual Machine */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
-			DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1720"),
+			DMI_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Virtual Machine"),
+			DMI_MATCH(DMI_PRODUCT_VERSION, "VS2005R2"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOLOOP)
 	},
 	{
-		/* Lenovo Ideapad U455 */
+		/* Medion MAM 2070 */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "20046"),
+			DMI_MATCH(DMI_SYS_VENDOR, "Notebook"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "MAM 2070"),
+			DMI_MATCH(DMI_PRODUCT_VERSION, "5a"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOLOOP)
 	},
 	{
-		/* Lenovo ThinkPad L460 */
+		/* TUXEDO BU1406 */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
-			DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad L460"),
+			DMI_MATCH(DMI_SYS_VENDOR, "Notebook"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "N24_25BU"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
 	},
 	{
 		/* Clevo P650RS, 650RP6, Sager NP8152-S, and others */
@@ -736,282 +906,318 @@ static const struct dmi_system_id __initconst i8042_dmi_reset_table[] = {
 			DMI_MATCH(DMI_SYS_VENDOR, "Notebook"),
 			DMI_MATCH(DMI_PRODUCT_NAME, "P65xRP"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
+	},
+	{
+		/* OQO Model 01 */
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "OQO"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "ZEPTO"),
+			DMI_MATCH(DMI_PRODUCT_VERSION, "00"),
+		},
+		.driver_data = (void *)(SERIO_QUIRK_NOLOOP)
 	},
 	{
-		/* Lenovo ThinkPad Twist S230u */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "33474HU"),
+			DMI_MATCH(DMI_SYS_VENDOR, "PEGATRON CORPORATION"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "C15B"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOLOOP)
 	},
 	{
-		/* Entroware Proteus */
+		/* Acer Aspire 5 A515 */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "Entroware"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "Proteus"),
-			DMI_MATCH(DMI_PRODUCT_VERSION, "EL07R4"),
+			DMI_MATCH(DMI_BOARD_VENDOR, "PK"),
+			DMI_MATCH(DMI_BOARD_NAME, "Grumpy_PK"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOPNP)
 	},
-	{ }
-};
-
-#ifdef CONFIG_PNP
-static const struct dmi_system_id __initconst i8042_dmi_nopnp_table[] = {
 	{
-		/* Intel MBO Desktop D845PESV */
+		/* ULI EV4873 - AUX LOOP does not work properly */
 		.matches = {
-			DMI_MATCH(DMI_BOARD_NAME, "D845PESV"),
-			DMI_MATCH(DMI_BOARD_VENDOR, "Intel Corporation"),
+			DMI_MATCH(DMI_SYS_VENDOR, "ULI"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "EV4873"),
+			DMI_MATCH(DMI_PRODUCT_VERSION, "5a"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOLOOP)
 	},
 	{
 		/*
-		 * Intel NUC D54250WYK - does not have i8042 controller but
-		 * declares PS/2 devices in DSDT.
+		 * Arima-Rioworks HDAMB -
+		 * AUX LOOP command does not raise AUX IRQ
 		 */
 		.matches = {
-			DMI_MATCH(DMI_BOARD_NAME, "D54250WYK"),
-			DMI_MATCH(DMI_BOARD_VENDOR, "Intel Corporation"),
+			DMI_MATCH(DMI_BOARD_VENDOR, "RIOWORKS"),
+			DMI_MATCH(DMI_BOARD_NAME, "HDAMB"),
+			DMI_MATCH(DMI_BOARD_VERSION, "Rev E"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOLOOP)
 	},
 	{
-		/* MSI Wind U-100 */
+		/* Sharp Actius MM20 */
 		.matches = {
-			DMI_MATCH(DMI_BOARD_NAME, "U-100"),
-			DMI_MATCH(DMI_BOARD_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD"),
+			DMI_MATCH(DMI_SYS_VENDOR, "SHARP"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "PC-MM20 Series"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
 	},
 	{
-		/* Acer Aspire 5 A515 */
+		/*
+		 * Sony Vaio FZ-240E -
+		 * reset and GET ID commands issued via KBD port are
+		 * sometimes being delivered to AUX3.
+		 */
 		.matches = {
-			DMI_MATCH(DMI_BOARD_NAME, "Grumpy_PK"),
-			DMI_MATCH(DMI_BOARD_VENDOR, "PK"),
+			DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FZ240E"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
 	},
-	{ }
-};
-
-static const struct dmi_system_id __initconst i8042_dmi_laptop_table[] = {
 	{
+		/*
+		 * Most (all?) VAIOs do not have external PS/2 ports nor
+		 * they implement active multiplexing properly, and
+		 * MUX discovery usually messes up keyboard/touchpad.
+		 */
 		.matches = {
-			DMI_MATCH(DMI_CHASSIS_TYPE, "8"), /* Portable */
+			DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
+			DMI_MATCH(DMI_BOARD_NAME, "VAIO"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
 	},
 	{
+		/* Sony Vaio FS-115b */
 		.matches = {
-			DMI_MATCH(DMI_CHASSIS_TYPE, "9"), /* Laptop */
+			DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FS115B"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
 	},
 	{
+		/*
+		 * Sony Vaio VGN-CS series require MUX or the touch sensor
+		 * buttons will disturb touchpad operation
+		 */
 		.matches = {
-			DMI_MATCH(DMI_CHASSIS_TYPE, "10"), /* Notebook */
+			DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "VGN-CS"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_FORCEMUX)
 	},
 	{
 		.matches = {
-			DMI_MATCH(DMI_CHASSIS_TYPE, "14"), /* Sub-Notebook */
+			DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P10"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
 	},
-	{ }
-};
-#endif
-
-static const struct dmi_system_id __initconst i8042_dmi_notimeout_table[] = {
 	{
-		/* Dell Vostro V13 */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
-			DMI_MATCH(DMI_PRODUCT_NAME, "Vostro V13"),
+			DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "EQUIUM A110"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
 	},
 	{
-		/* Newer HP Pavilion dv4 models */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv4 Notebook PC"),
+			DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "SATELLITE C850D"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOMUX)
 	},
+	/*
+	 * A lot of modern Clevo barebones have touchpad and/or keyboard issues
+	 * after suspend fixable with nomux + reset + noloop + nopnp. Luckily,
+	 * none of them have an external PS/2 port so this can safely be set for
+	 * all of them. These two are based on a Clevo design, but have the
+	 * board_name changed.
+	 */
 	{
-		/* Fujitsu A544 laptop */
-		/* https://bugzilla.redhat.com/show_bug.cgi?id=1111138 */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK A544"),
+			DMI_MATCH(DMI_BOARD_VENDOR, "TUXEDO"),
+			DMI_MATCH(DMI_BOARD_NAME, "AURA1501"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
+					SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
 	},
 	{
-		/* Fujitsu AH544 laptop */
-		/* https://bugzilla.kernel.org/show_bug.cgi?id=69731 */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK AH544"),
+			DMI_MATCH(DMI_BOARD_VENDOR, "TUXEDO"),
+			DMI_MATCH(DMI_BOARD_NAME, "EDUBOOK1502"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
+					SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
 	},
 	{
-		/* Fujitsu Lifebook T725 laptop */
+		/* Mivvy M310 */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK T725"),
+			DMI_MATCH(DMI_SYS_VENDOR, "VIOOO"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "N10"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_RESET_ALWAYS)
 	},
+	/*
+	 * Some laptops need keyboard reset before probing for the trackpad to get
+	 * it detected, initialised & finally work.
+	 */
 	{
-		/* Fujitsu U574 laptop */
-		/* https://bugzilla.kernel.org/show_bug.cgi?id=69731 */
+		/* Schenker XMG C504 - Elantech touchpad */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK U574"),
+			DMI_MATCH(DMI_SYS_VENDOR, "XMG"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "C504"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_KBDRESET)
 	},
 	{
-		/* Fujitsu UH554 laptop */
+		/* Blue FB5601 */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK UH544"),
+			DMI_MATCH(DMI_SYS_VENDOR, "blue"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "FB5601"),
+			DMI_MATCH(DMI_PRODUCT_VERSION, "M606"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOLOOP)
 	},
-	{ }
-};
-
-/*
- * Some Wistron based laptops need us to explicitly enable the 'Dritek
- * keyboard extension' to make their extra keys start generating scancodes.
- * Originally, this was just confined to older laptops, but a few Acer laptops
- * have turned up in 2007 that also need this again.
- */
-static const struct dmi_system_id __initconst i8042_dmi_dritek_table[] = {
+	/*
+	 * A lot of modern Clevo barebones have touchpad and/or keyboard issues
+	 * after suspend fixable with nomux + reset + noloop + nopnp. Luckily,
+	 * none of them have an external PS/2 port so this can safely be set for
+	 * all of them.
+	 * Clevo barebones come with board_vendor and/or system_vendor set to
+	 * either the very generic string "Notebook" and/or a different value
+	 * for each individual reseller. The only somewhat universal way to
+	 * identify them is by board_name.
+	 */
 	{
-		/* Acer Aspire 5100 */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5100"),
+			DMI_MATCH(DMI_BOARD_NAME, "LAPQC71A"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
+					SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
 	},
 	{
-		/* Acer Aspire 5610 */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5610"),
+			DMI_MATCH(DMI_BOARD_NAME, "LAPQC71B"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
+					SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
 	},
 	{
-		/* Acer Aspire 5630 */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5630"),
+			DMI_MATCH(DMI_BOARD_NAME, "N140CU"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
+					SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
 	},
 	{
-		/* Acer Aspire 5650 */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5650"),
+			DMI_MATCH(DMI_BOARD_NAME, "N141CU"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
+					SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
 	},
 	{
-		/* Acer Aspire 5680 */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5680"),
+			DMI_MATCH(DMI_BOARD_NAME, "NH5xAx"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
+					SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
 	},
 	{
-		/* Acer Aspire 5720 */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5720"),
+			DMI_MATCH(DMI_BOARD_NAME, "NL5xRU"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
+					SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
 	},
+	/*
+	 * At least one modern Clevo barebone has the touchpad connected both
+	 * via PS/2 and i2c interface. This causes a race condition between the
+	 * psmouse and i2c-hid driver. Since the full capability of the touchpad
+	 * is available via the i2c interface and the device has no external
+	 * PS/2 port, it is safe to just ignore all ps2 mouses here to avoid
+	 * this issue. The known affected device is the
+	 * TUXEDO InfinityBook S17 Gen6 / Clevo NS70MU which comes with one of
+	 * the two different dmi strings below. NS50MU is not a typo!
+	 */
 	{
-		/* Acer Aspire 9110 */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 9110"),
+			DMI_MATCH(DMI_BOARD_NAME, "NS50MU"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOAUX | SERIO_QUIRK_NOMUX |
+					SERIO_QUIRK_RESET_ALWAYS | SERIO_QUIRK_NOLOOP |
+					SERIO_QUIRK_NOPNP)
 	},
 	{
-		/* Acer TravelMate 660 */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 660"),
+			DMI_MATCH(DMI_BOARD_NAME, "NS50_70MU"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOAUX | SERIO_QUIRK_NOMUX |
+					SERIO_QUIRK_RESET_ALWAYS | SERIO_QUIRK_NOLOOP |
+					SERIO_QUIRK_NOPNP)
 	},
 	{
-		/* Acer TravelMate 2490 */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2490"),
+			DMI_MATCH(DMI_BOARD_NAME, "NJ50_70CU"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
+					SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
 	},
 	{
-		/* Acer TravelMate 4280 */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 4280"),
+			DMI_MATCH(DMI_BOARD_NAME, "PB50_70DFx,DDx"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
+					SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
 	},
-	{ }
-};
-
-/*
- * Some laptops need keyboard reset before probing for the trackpad to get
- * it detected, initialised & finally work.
- */
-static const struct dmi_system_id __initconst i8042_dmi_kbdreset_table[] = {
 	{
-		/* Gigabyte P35 v2 - Elantech touchpad */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "P35V2"),
+			DMI_MATCH(DMI_BOARD_NAME, "PCX0DX"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
+					SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
 	},
-		{
-		/* Aorus branded Gigabyte X3 Plus - Elantech touchpad */
+	{
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "X3"),
+			DMI_MATCH(DMI_BOARD_NAME, "X170SM"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
+					SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
 	},
 	{
-		/* Gigabyte P34 - Elantech touchpad */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "P34"),
+			DMI_MATCH(DMI_BOARD_NAME, "X170KM-G"),
 		},
+		.driver_data = (void *)(SERIO_QUIRK_NOMUX | SERIO_QUIRK_RESET_ALWAYS |
+					SERIO_QUIRK_NOLOOP | SERIO_QUIRK_NOPNP)
 	},
+	{ }
+};
+
+#ifdef CONFIG_PNP
+static const struct dmi_system_id i8042_dmi_laptop_table[] __initconst = {
 	{
-		/* Gigabyte P57 - Elantech touchpad */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "P57"),
+			DMI_MATCH(DMI_CHASSIS_TYPE, "8"), /* Portable */
 		},
 	},
 	{
-		/* Schenker XMG C504 - Elantech touchpad */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "XMG"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "C504"),
+			DMI_MATCH(DMI_CHASSIS_TYPE, "9"), /* Laptop */
 		},
 	},
-	{ }
-};
-
-static const struct dmi_system_id i8042_dmi_probe_defer_table[] __initconst = {
 	{
-		/* ASUS ZenBook UX425UA */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
-			DMI_MATCH(DMI_PRODUCT_NAME, "ZenBook UX425UA"),
+			DMI_MATCH(DMI_CHASSIS_TYPE, "10"), /* Notebook */
 		},
 	},
 	{
-		/* ASUS ZenBook UM325UA */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
-			DMI_MATCH(DMI_PRODUCT_NAME, "ZenBook UX325UA_UM325UA"),
+			DMI_MATCH(DMI_CHASSIS_TYPE, "14"), /* Sub-Notebook */
 		},
 	},
 	{ }
 };
+#endif
 
 #endif /* CONFIG_X86 */
 
@@ -1166,11 +1372,6 @@ static int __init i8042_pnp_init(void)
 	bool pnp_data_busted = false;
 	int err;
 
-#ifdef CONFIG_X86
-	if (dmi_check_system(i8042_dmi_nopnp_table))
-		i8042_nopnp = true;
-#endif
-
 	if (i8042_nopnp) {
 		pr_info("PNP detection disabled\n");
 		return 0;
@@ -1274,6 +1475,59 @@ static inline int i8042_pnp_init(void) { return 0; }
 static inline void i8042_pnp_exit(void) { }
 #endif /* CONFIG_PNP */
 
+
+#ifdef CONFIG_X86
+static void __init i8042_check_quirks(void)
+{
+	const struct dmi_system_id *device_quirk_info;
+	uintptr_t quirks;
+
+	device_quirk_info = dmi_first_match(i8042_dmi_quirk_table);
+	if (!device_quirk_info)
+		return;
+
+	quirks = (uintptr_t)device_quirk_info->driver_data;
+
+	if (quirks & SERIO_QUIRK_NOKBD)
+		i8042_nokbd = true;
+	if (quirks & SERIO_QUIRK_NOAUX)
+		i8042_noaux = true;
+	if (quirks & SERIO_QUIRK_NOMUX)
+		i8042_nomux = true;
+	if (quirks & SERIO_QUIRK_FORCEMUX)
+		i8042_nomux = false;
+	if (quirks & SERIO_QUIRK_UNLOCK)
+		i8042_unlock = true;
+	if (quirks & SERIO_QUIRK_PROBE_DEFER)
+		i8042_probe_defer = true;
+	/* Honor module parameter when value is not default */
+	if (i8042_reset == I8042_RESET_DEFAULT) {
+		if (quirks & SERIO_QUIRK_RESET_ALWAYS)
+			i8042_reset = I8042_RESET_ALWAYS;
+		if (quirks & SERIO_QUIRK_RESET_NEVER)
+			i8042_reset = I8042_RESET_NEVER;
+	}
+	if (quirks & SERIO_QUIRK_DIECT)
+		i8042_direct = true;
+	if (quirks & SERIO_QUIRK_DUMBKBD)
+		i8042_dumbkbd = true;
+	if (quirks & SERIO_QUIRK_NOLOOP)
+		i8042_noloop = true;
+	if (quirks & SERIO_QUIRK_NOTIMEOUT)
+		i8042_notimeout = true;
+	if (quirks & SERIO_QUIRK_KBDRESET)
+		i8042_kbdreset = true;
+	if (quirks & SERIO_QUIRK_DRITEK)
+		i8042_dritek = true;
+#ifdef CONFIG_PNP
+	if (quirks & SERIO_QUIRK_NOPNP)
+		i8042_nopnp = true;
+#endif
+}
+#else
+static inline void i8042_check_quirks(void) {}
+#endif
+
 static int __init i8042_platform_init(void)
 {
 	int retval;
@@ -1296,45 +1550,17 @@ static int __init i8042_platform_init(void)
 	i8042_kbd_irq = I8042_MAP_IRQ(1);
 	i8042_aux_irq = I8042_MAP_IRQ(12);
 
-	retval = i8042_pnp_init();
-	if (retval)
-		return retval;
-
 #if defined(__ia64__)
-        i8042_reset = I8042_RESET_ALWAYS;
+	i8042_reset = I8042_RESET_ALWAYS;
 #endif
 
-#ifdef CONFIG_X86
-	/* Honor module parameter when value is not default */
-	if (i8042_reset == I8042_RESET_DEFAULT) {
-		if (dmi_check_system(i8042_dmi_reset_table))
-			i8042_reset = I8042_RESET_ALWAYS;
-
-		if (dmi_check_system(i8042_dmi_noselftest_table))
-			i8042_reset = I8042_RESET_NEVER;
-	}
-
-	if (dmi_check_system(i8042_dmi_noloop_table))
-		i8042_noloop = true;
-
-	if (dmi_check_system(i8042_dmi_nomux_table))
-		i8042_nomux = true;
-
-	if (dmi_check_system(i8042_dmi_forcemux_table))
-		i8042_nomux = false;
-
-	if (dmi_check_system(i8042_dmi_notimeout_table))
-		i8042_notimeout = true;
-
-	if (dmi_check_system(i8042_dmi_dritek_table))
-		i8042_dritek = true;
-
-	if (dmi_check_system(i8042_dmi_kbdreset_table))
-		i8042_kbdreset = true;
+	i8042_check_quirks();
 
-	if (dmi_check_system(i8042_dmi_probe_defer_table))
-		i8042_probe_defer = true;
+	retval = i8042_pnp_init();
+	if (retval)
+		return retval;
 
+#ifdef CONFIG_X86
 	/*
 	 * A20 was already enabled during early kernel init. But some buggy
 	 * BIOSes (in MSI Laptops) require A20 to be enabled using 8042 to
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index c392930253a30..b79309928d786 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -3098,7 +3098,8 @@ static int amd_iommu_attach_device(struct iommu_domain *dom,
 }
 
 static int amd_iommu_map(struct iommu_domain *dom, unsigned long iova,
-			 phys_addr_t paddr, size_t page_size, int iommu_prot)
+			 phys_addr_t paddr, size_t page_size, int iommu_prot,
+			 gfp_t gfp)
 {
 	struct protection_domain *domain = to_pdomain(dom);
 	int prot = 0;
@@ -3113,7 +3114,7 @@ static int amd_iommu_map(struct iommu_domain *dom, unsigned long iova,
 		prot |= IOMMU_PROT_IW;
 
 	mutex_lock(&domain->api_lock);
-	ret = iommu_map_page(domain, iova, paddr, page_size, prot, GFP_KERNEL);
+	ret = iommu_map_page(domain, iova, paddr, page_size, prot, gfp);
 	mutex_unlock(&domain->api_lock);
 
 	domain_flush_np_cache(domain, iova, page_size);
diff --git a/drivers/iommu/arm-smmu-v3.c b/drivers/iommu/arm-smmu-v3.c
index 02c2fb551f381..4f64c3a9ee88d 100644
--- a/drivers/iommu/arm-smmu-v3.c
+++ b/drivers/iommu/arm-smmu-v3.c
@@ -2451,7 +2451,7 @@ out_unlock:
 }
 
 static int arm_smmu_map(struct iommu_domain *domain, unsigned long iova,
-			phys_addr_t paddr, size_t size, int prot)
+			phys_addr_t paddr, size_t size, int prot, gfp_t gfp)
 {
 	struct io_pgtable_ops *ops = to_smmu_domain(domain)->pgtbl_ops;
 
diff --git a/drivers/iommu/arm-smmu.c b/drivers/iommu/arm-smmu.c
index 2185ea5191c15..775acae84d7d2 100644
--- a/drivers/iommu/arm-smmu.c
+++ b/drivers/iommu/arm-smmu.c
@@ -1160,7 +1160,7 @@ rpm_put:
 }
 
 static int arm_smmu_map(struct iommu_domain *domain, unsigned long iova,
-			phys_addr_t paddr, size_t size, int prot)
+			phys_addr_t paddr, size_t size, int prot, gfp_t gfp)
 {
 	struct io_pgtable_ops *ops = to_smmu_domain(domain)->pgtbl_ops;
 	struct arm_smmu_device *smmu = to_smmu_domain(domain)->smmu;
diff --git a/drivers/iommu/dma-iommu.c b/drivers/iommu/dma-iommu.c
index 9c3e630c6c4c8..4fc8fb92d45ef 100644
--- a/drivers/iommu/dma-iommu.c
+++ b/drivers/iommu/dma-iommu.c
@@ -477,7 +477,7 @@ static dma_addr_t __iommu_dma_map(struct device *dev, phys_addr_t phys,
 	if (!iova)
 		return DMA_MAPPING_ERROR;
 
-	if (iommu_map(domain, iova, phys - iova_off, size, prot)) {
+	if (iommu_map_atomic(domain, iova, phys - iova_off, size, prot)) {
 		iommu_dma_free_iova(cookie, iova, size);
 		return DMA_MAPPING_ERROR;
 	}
@@ -612,7 +612,7 @@ static void *iommu_dma_alloc_remap(struct device *dev, size_t size,
 			arch_dma_prep_coherent(sg_page(sg), sg->length);
 	}
 
-	if (iommu_map_sg(domain, iova, sgt.sgl, sgt.orig_nents, ioprot)
+	if (iommu_map_sg_atomic(domain, iova, sgt.sgl, sgt.orig_nents, ioprot)
 			< size)
 		goto out_free_sg;
 
@@ -872,7 +872,7 @@ static int iommu_dma_map_sg(struct device *dev, struct scatterlist *sg,
 	 * We'll leave any physical concatenation to the IOMMU driver's
 	 * implementation - it knows better than we do.
 	 */
-	if (iommu_map_sg(domain, iova, sg, nents, prot) < iova_len)
+	if (iommu_map_sg_atomic(domain, iova, sg, nents, prot) < iova_len)
 		goto out_free_iova;
 
 	return __finalise_sg(dev, sg, nents, iova);
diff --git a/drivers/iommu/exynos-iommu.c b/drivers/iommu/exynos-iommu.c
index 31a9b9885653f..acf21e4237949 100644
--- a/drivers/iommu/exynos-iommu.c
+++ b/drivers/iommu/exynos-iommu.c
@@ -1077,7 +1077,7 @@ static int lv2set_page(sysmmu_pte_t *pent, phys_addr_t paddr, size_t size,
  */
 static int exynos_iommu_map(struct iommu_domain *iommu_domain,
 			    unsigned long l_iova, phys_addr_t paddr, size_t size,
-			    int prot)
+			    int prot, gfp_t gfp)
 {
 	struct exynos_iommu_domain *domain = to_exynos_domain(iommu_domain);
 	sysmmu_pte_t *entry;
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index ff120d7ed3424..2a53fa7d2b47d 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -5458,7 +5458,7 @@ static void intel_iommu_aux_detach_device(struct iommu_domain *domain,
 
 static int intel_iommu_map(struct iommu_domain *domain,
 			   unsigned long iova, phys_addr_t hpa,
-			   size_t size, int iommu_prot)
+			   size_t size, int iommu_prot, gfp_t gfp)
 {
 	struct dmar_domain *dmar_domain = to_dmar_domain(domain);
 	u64 max_addr;
diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
index c5758fb696cc8..ef8f0d1ac5ab1 100644
--- a/drivers/iommu/iommu.c
+++ b/drivers/iommu/iommu.c
@@ -1858,8 +1858,8 @@ static size_t iommu_pgsize(struct iommu_domain *domain,
 	return pgsize;
 }
 
-int iommu_map(struct iommu_domain *domain, unsigned long iova,
-	      phys_addr_t paddr, size_t size, int prot)
+int __iommu_map(struct iommu_domain *domain, unsigned long iova,
+	      phys_addr_t paddr, size_t size, int prot, gfp_t gfp)
 {
 	const struct iommu_ops *ops = domain->ops;
 	unsigned long orig_iova = iova;
@@ -1896,8 +1896,8 @@ int iommu_map(struct iommu_domain *domain, unsigned long iova,
 
 		pr_debug("mapping: iova 0x%lx pa %pa pgsize 0x%zx\n",
 			 iova, &paddr, pgsize);
+		ret = ops->map(domain, iova, paddr, pgsize, prot, gfp);
 
-		ret = ops->map(domain, iova, paddr, pgsize, prot);
 		if (ret)
 			break;
 
@@ -1917,8 +1917,22 @@ int iommu_map(struct iommu_domain *domain, unsigned long iova,
 
 	return ret;
 }
+
+int iommu_map(struct iommu_domain *domain, unsigned long iova,
+	      phys_addr_t paddr, size_t size, int prot)
+{
+	might_sleep();
+	return __iommu_map(domain, iova, paddr, size, prot, GFP_KERNEL);
+}
 EXPORT_SYMBOL_GPL(iommu_map);
 
+int iommu_map_atomic(struct iommu_domain *domain, unsigned long iova,
+	      phys_addr_t paddr, size_t size, int prot)
+{
+	return __iommu_map(domain, iova, paddr, size, prot, GFP_ATOMIC);
+}
+EXPORT_SYMBOL_GPL(iommu_map_atomic);
+
 static size_t __iommu_unmap(struct iommu_domain *domain,
 			    unsigned long iova, size_t size,
 			    struct iommu_iotlb_gather *iotlb_gather)
@@ -1995,8 +2009,9 @@ size_t iommu_unmap_fast(struct iommu_domain *domain,
 }
 EXPORT_SYMBOL_GPL(iommu_unmap_fast);
 
-size_t iommu_map_sg(struct iommu_domain *domain, unsigned long iova,
-		    struct scatterlist *sg, unsigned int nents, int prot)
+size_t __iommu_map_sg(struct iommu_domain *domain, unsigned long iova,
+		    struct scatterlist *sg, unsigned int nents, int prot,
+		    gfp_t gfp)
 {
 	size_t len = 0, mapped = 0;
 	phys_addr_t start;
@@ -2007,7 +2022,9 @@ size_t iommu_map_sg(struct iommu_domain *domain, unsigned long iova,
 		phys_addr_t s_phys = sg_phys(sg);
 
 		if (len && s_phys != start + len) {
-			ret = iommu_map(domain, iova + mapped, start, len, prot);
+			ret = __iommu_map(domain, iova + mapped, start,
+					len, prot, gfp);
+
 			if (ret)
 				goto out_err;
 
@@ -2035,8 +2052,22 @@ out_err:
 	return 0;
 
 }
+
+size_t iommu_map_sg(struct iommu_domain *domain, unsigned long iova,
+		    struct scatterlist *sg, unsigned int nents, int prot)
+{
+	might_sleep();
+	return __iommu_map_sg(domain, iova, sg, nents, prot, GFP_KERNEL);
+}
 EXPORT_SYMBOL_GPL(iommu_map_sg);
 
+size_t iommu_map_sg_atomic(struct iommu_domain *domain, unsigned long iova,
+		    struct scatterlist *sg, unsigned int nents, int prot)
+{
+	return __iommu_map_sg(domain, iova, sg, nents, prot, GFP_ATOMIC);
+}
+EXPORT_SYMBOL_GPL(iommu_map_sg_atomic);
+
 int iommu_domain_window_enable(struct iommu_domain *domain, u32 wnd_nr,
 			       phys_addr_t paddr, u64 size, int prot)
 {
diff --git a/drivers/iommu/ipmmu-vmsa.c b/drivers/iommu/ipmmu-vmsa.c
index 584eefab1dbcd..33874c7aea42c 100644
--- a/drivers/iommu/ipmmu-vmsa.c
+++ b/drivers/iommu/ipmmu-vmsa.c
@@ -724,7 +724,7 @@ static void ipmmu_detach_device(struct iommu_domain *io_domain,
 }
 
 static int ipmmu_map(struct iommu_domain *io_domain, unsigned long iova,
-		     phys_addr_t paddr, size_t size, int prot)
+		     phys_addr_t paddr, size_t size, int prot, gfp_t gfp)
 {
 	struct ipmmu_vmsa_domain *domain = to_vmsa_domain(io_domain);
 
diff --git a/drivers/iommu/msm_iommu.c b/drivers/iommu/msm_iommu.c
index cba0097eba39c..696a6c53a69fd 100644
--- a/drivers/iommu/msm_iommu.c
+++ b/drivers/iommu/msm_iommu.c
@@ -504,7 +504,7 @@ fail:
 }
 
 static int msm_iommu_map(struct iommu_domain *domain, unsigned long iova,
-			 phys_addr_t pa, size_t len, int prot)
+			 phys_addr_t pa, size_t len, int prot, gfp_t gfp)
 {
 	struct msm_priv *priv = to_msm_priv(domain);
 	unsigned long flags;
diff --git a/drivers/iommu/mtk_iommu.c b/drivers/iommu/mtk_iommu.c
index 18d7c818a174c..dad44e10b3314 100644
--- a/drivers/iommu/mtk_iommu.c
+++ b/drivers/iommu/mtk_iommu.c
@@ -427,7 +427,7 @@ static void mtk_iommu_detach_device(struct iommu_domain *domain,
 }
 
 static int mtk_iommu_map(struct iommu_domain *domain, unsigned long iova,
-			 phys_addr_t paddr, size_t size, int prot)
+			 phys_addr_t paddr, size_t size, int prot, gfp_t gfp)
 {
 	struct mtk_iommu_domain *dom = to_mtk_domain(domain);
 	struct mtk_iommu_data *data = mtk_iommu_get_m4u_data();
diff --git a/drivers/iommu/mtk_iommu_v1.c b/drivers/iommu/mtk_iommu_v1.c
index e31bd281e59d6..fa602bfe69512 100644
--- a/drivers/iommu/mtk_iommu_v1.c
+++ b/drivers/iommu/mtk_iommu_v1.c
@@ -295,7 +295,7 @@ static void mtk_iommu_detach_device(struct iommu_domain *domain,
 }
 
 static int mtk_iommu_map(struct iommu_domain *domain, unsigned long iova,
-			 phys_addr_t paddr, size_t size, int prot)
+			 phys_addr_t paddr, size_t size, int prot, gfp_t gfp)
 {
 	struct mtk_iommu_domain *dom = to_mtk_domain(domain);
 	unsigned int page_num = size >> MT2701_IOMMU_PAGE_SHIFT;
diff --git a/drivers/iommu/omap-iommu.c b/drivers/iommu/omap-iommu.c
index 09c6e1c680db9..be551cc34be45 100644
--- a/drivers/iommu/omap-iommu.c
+++ b/drivers/iommu/omap-iommu.c
@@ -1339,7 +1339,7 @@ static u32 iotlb_init_entry(struct iotlb_entry *e, u32 da, u32 pa, int pgsz)
 }
 
 static int omap_iommu_map(struct iommu_domain *domain, unsigned long da,
-			  phys_addr_t pa, size_t bytes, int prot)
+			  phys_addr_t pa, size_t bytes, int prot, gfp_t gfp)
 {
 	struct omap_iommu_domain *omap_domain = to_omap_domain(domain);
 	struct device *dev = omap_domain->dev;
diff --git a/drivers/iommu/qcom_iommu.c b/drivers/iommu/qcom_iommu.c
index b6e546b62a7cb..e377f7771e30b 100644
--- a/drivers/iommu/qcom_iommu.c
+++ b/drivers/iommu/qcom_iommu.c
@@ -419,7 +419,7 @@ static void qcom_iommu_detach_dev(struct iommu_domain *domain, struct device *de
 }
 
 static int qcom_iommu_map(struct iommu_domain *domain, unsigned long iova,
-			  phys_addr_t paddr, size_t size, int prot)
+			  phys_addr_t paddr, size_t size, int prot, gfp_t gfp)
 {
 	int ret;
 	unsigned long flags;
diff --git a/drivers/iommu/rockchip-iommu.c b/drivers/iommu/rockchip-iommu.c
index 0df091934361b..96f37d9d4d93c 100644
--- a/drivers/iommu/rockchip-iommu.c
+++ b/drivers/iommu/rockchip-iommu.c
@@ -758,7 +758,7 @@ unwind:
 }
 
 static int rk_iommu_map(struct iommu_domain *domain, unsigned long _iova,
-			phys_addr_t paddr, size_t size, int prot)
+			phys_addr_t paddr, size_t size, int prot, gfp_t gfp)
 {
 	struct rk_iommu_domain *rk_domain = to_rk_domain(domain);
 	unsigned long flags;
diff --git a/drivers/iommu/s390-iommu.c b/drivers/iommu/s390-iommu.c
index 3b0b18e23187c..1137f3ddcb851 100644
--- a/drivers/iommu/s390-iommu.c
+++ b/drivers/iommu/s390-iommu.c
@@ -265,7 +265,7 @@ undo_cpu_trans:
 }
 
 static int s390_iommu_map(struct iommu_domain *domain, unsigned long iova,
-			  phys_addr_t paddr, size_t size, int prot)
+			  phys_addr_t paddr, size_t size, int prot, gfp_t gfp)
 {
 	struct s390_domain *s390_domain = to_s390_domain(domain);
 	int flags = ZPCI_PTE_VALID, rc = 0;
diff --git a/drivers/iommu/tegra-gart.c b/drivers/iommu/tegra-gart.c
index 3924f7c055440..3fb7ba72507de 100644
--- a/drivers/iommu/tegra-gart.c
+++ b/drivers/iommu/tegra-gart.c
@@ -178,7 +178,7 @@ static inline int __gart_iommu_map(struct gart_device *gart, unsigned long iova,
 }
 
 static int gart_iommu_map(struct iommu_domain *domain, unsigned long iova,
-			  phys_addr_t pa, size_t bytes, int prot)
+			  phys_addr_t pa, size_t bytes, int prot, gfp_t gfp)
 {
 	struct gart_device *gart = gart_handle;
 	int ret;
diff --git a/drivers/iommu/tegra-smmu.c b/drivers/iommu/tegra-smmu.c
index dd486233e2828..576be3f245daa 100644
--- a/drivers/iommu/tegra-smmu.c
+++ b/drivers/iommu/tegra-smmu.c
@@ -651,7 +651,7 @@ static void tegra_smmu_set_pte(struct tegra_smmu_as *as, unsigned long iova,
 }
 
 static int tegra_smmu_map(struct iommu_domain *domain, unsigned long iova,
-			  phys_addr_t paddr, size_t size, int prot)
+			  phys_addr_t paddr, size_t size, int prot, gfp_t gfp)
 {
 	struct tegra_smmu_as *as = to_smmu_as(domain);
 	dma_addr_t pte_dma;
diff --git a/drivers/iommu/virtio-iommu.c b/drivers/iommu/virtio-iommu.c
index 60e659a24f90b..37e2267acf295 100644
--- a/drivers/iommu/virtio-iommu.c
+++ b/drivers/iommu/virtio-iommu.c
@@ -715,7 +715,7 @@ static int viommu_attach_dev(struct iommu_domain *domain, struct device *dev)
 }
 
 static int viommu_map(struct iommu_domain *domain, unsigned long iova,
-		      phys_addr_t paddr, size_t size, int prot)
+		      phys_addr_t paddr, size_t size, int prot, gfp_t gfp)
 {
 	int ret;
 	u32 flags;
diff --git a/drivers/mmc/core/sdio_bus.c b/drivers/mmc/core/sdio_bus.c
index aef235203d571..69eeff7a7d165 100644
--- a/drivers/mmc/core/sdio_bus.c
+++ b/drivers/mmc/core/sdio_bus.c
@@ -269,6 +269,12 @@ static void sdio_release_func(struct device *dev)
 	if (!(func->card->quirks & MMC_QUIRK_NONSTD_SDIO))
 		sdio_free_func_cis(func);
 
+	/*
+	 * We have now removed the link to the tuples in the
+	 * card structure, so remove the reference.
+	 */
+	put_device(&func->card->dev);
+
 	kfree(func->info);
 	kfree(func->tmpbuf);
 	kfree(func);
@@ -299,6 +305,12 @@ struct sdio_func *sdio_alloc_func(struct mmc_card *card)
 
 	device_initialize(&func->dev);
 
+	/*
+	 * We may link to tuples in the card structure,
+	 * we need make sure we have a reference to it.
+	 */
+	get_device(&func->card->dev);
+
 	func->dev.parent = &card->dev;
 	func->dev.bus = &sdio_bus_type;
 	func->dev.release = sdio_release_func;
@@ -352,10 +364,9 @@ int sdio_add_func(struct sdio_func *func)
  */
 void sdio_remove_func(struct sdio_func *func)
 {
-	if (!sdio_func_present(func))
-		return;
+	if (sdio_func_present(func))
+		device_del(&func->dev);
 
-	device_del(&func->dev);
 	of_node_put(func->dev.of_node);
 	put_device(&func->dev);
 }
diff --git a/drivers/mmc/core/sdio_cis.c b/drivers/mmc/core/sdio_cis.c
index 9a5aaac29099b..e45053284fdc9 100644
--- a/drivers/mmc/core/sdio_cis.c
+++ b/drivers/mmc/core/sdio_cis.c
@@ -383,12 +383,6 @@ int sdio_read_func_cis(struct sdio_func *func)
 	if (ret)
 		return ret;
 
-	/*
-	 * Since we've linked to tuples in the card structure,
-	 * we must make sure we have a reference to it.
-	 */
-	get_device(&func->card->dev);
-
 	/*
 	 * Vendor/device id is optional for function CIS, so
 	 * copy it from the card structure as needed.
@@ -414,11 +408,5 @@ void sdio_free_func_cis(struct sdio_func *func)
 	}
 
 	func->tuples = NULL;
-
-	/*
-	 * We have now removed the link to the tuples in the
-	 * card structure, so remove the reference.
-	 */
-	put_device(&func->card->dev);
 }
 
diff --git a/drivers/mmc/host/mmc_spi.c b/drivers/mmc/host/mmc_spi.c
index 7083d8ddd4951..7874b266a4448 100644
--- a/drivers/mmc/host/mmc_spi.c
+++ b/drivers/mmc/host/mmc_spi.c
@@ -1420,7 +1420,7 @@ static int mmc_spi_probe(struct spi_device *spi)
 
 	status = mmc_add_host(mmc);
 	if (status != 0)
-		goto fail_add_host;
+		goto fail_glue_init;
 
 	/*
 	 * Index 0 is card detect
@@ -1428,7 +1428,7 @@ static int mmc_spi_probe(struct spi_device *spi)
 	 */
 	status = mmc_gpiod_request_cd(mmc, NULL, 0, false, 1, NULL);
 	if (status == -EPROBE_DEFER)
-		goto fail_add_host;
+		goto fail_gpiod_request;
 	if (!status) {
 		/*
 		 * The platform has a CD GPIO signal that may support
@@ -1443,7 +1443,7 @@ static int mmc_spi_probe(struct spi_device *spi)
 	/* Index 1 is write protect/read only */
 	status = mmc_gpiod_request_ro(mmc, NULL, 1, 0, NULL);
 	if (status == -EPROBE_DEFER)
-		goto fail_add_host;
+		goto fail_gpiod_request;
 	if (!status)
 		has_ro = true;
 
@@ -1457,7 +1457,7 @@ static int mmc_spi_probe(struct spi_device *spi)
 				? ", cd polling" : "");
 	return 0;
 
-fail_add_host:
+fail_gpiod_request:
 	mmc_remove_host(mmc);
 fail_glue_init:
 	if (host->dma_dev)
diff --git a/drivers/net/bonding/bond_debugfs.c b/drivers/net/bonding/bond_debugfs.c
index f3f86ef68ae0c..8b6cf2bf9025a 100644
--- a/drivers/net/bonding/bond_debugfs.c
+++ b/drivers/net/bonding/bond_debugfs.c
@@ -76,7 +76,7 @@ void bond_debug_reregister(struct bonding *bond)
 
 	d = debugfs_rename(bonding_debug_root, bond->debug_dir,
 			   bonding_debug_root, bond->dev->name);
-	if (d) {
+	if (!IS_ERR(d)) {
 		bond->debug_dir = d;
 	} else {
 		netdev_warn(bond->dev, "failed to reregister, so just unregister old one\n");
diff --git a/drivers/net/ethernet/broadcom/bgmac-bcma.c b/drivers/net/ethernet/broadcom/bgmac-bcma.c
index 2d52754afc33a..7d844b0ea0da0 100644
--- a/drivers/net/ethernet/broadcom/bgmac-bcma.c
+++ b/drivers/net/ethernet/broadcom/bgmac-bcma.c
@@ -228,12 +228,12 @@ static int bgmac_probe(struct bcma_device *core)
 		bgmac->feature_flags |= BGMAC_FEAT_CLKCTLST;
 		bgmac->feature_flags |= BGMAC_FEAT_FLW_CTRL1;
 		bgmac->feature_flags |= BGMAC_FEAT_SW_TYPE_PHY;
-		if (ci->pkg == BCMA_PKG_ID_BCM47188 ||
-		    ci->pkg == BCMA_PKG_ID_BCM47186) {
+		if ((ci->id == BCMA_CHIP_ID_BCM5357 && ci->pkg == BCMA_PKG_ID_BCM47186) ||
+		    (ci->id == BCMA_CHIP_ID_BCM53572 && ci->pkg == BCMA_PKG_ID_BCM47188)) {
 			bgmac->feature_flags |= BGMAC_FEAT_SW_TYPE_RGMII;
 			bgmac->feature_flags |= BGMAC_FEAT_IOST_ATTACHED;
 		}
-		if (ci->pkg == BCMA_PKG_ID_BCM5358)
+		if (ci->id == BCMA_CHIP_ID_BCM5357 && ci->pkg == BCMA_PKG_ID_BCM5358)
 			bgmac->feature_flags |= BGMAC_FEAT_SW_TYPE_EPHYRMII;
 		break;
 	case BCMA_CHIP_ID_BCM53573:
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
index 3636849f63656..ef8225b7445d3 100644
--- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c
+++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c
@@ -8205,10 +8205,14 @@ int bnxt_reserve_rings(struct bnxt *bp, bool irq_re_init)
 		netdev_err(bp->dev, "ring reservation/IRQ init failure rc: %d\n", rc);
 		return rc;
 	}
-	if (tcs && (bp->tx_nr_rings_per_tc * tcs != bp->tx_nr_rings)) {
+	if (tcs && (bp->tx_nr_rings_per_tc * tcs !=
+		    bp->tx_nr_rings - bp->tx_nr_rings_xdp)) {
 		netdev_err(bp->dev, "tx ring reservation failure\n");
 		netdev_reset_tc(bp->dev);
-		bp->tx_nr_rings_per_tc = bp->tx_nr_rings;
+		if (bp->tx_nr_rings_xdp)
+			bp->tx_nr_rings_per_tc = bp->tx_nr_rings_xdp;
+		else
+			bp->tx_nr_rings_per_tc = bp->tx_nr_rings;
 		return -ENOMEM;
 	}
 	return 0;
diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c
index d612b23c2e3f9..3f983d69f10eb 100644
--- a/drivers/net/ethernet/intel/i40e/i40e_main.c
+++ b/drivers/net/ethernet/intel/i40e/i40e_main.c
@@ -2702,7 +2702,7 @@ static int i40e_change_mtu(struct net_device *netdev, int new_mtu)
 	struct i40e_pf *pf = vsi->back;
 
 	if (i40e_enabled_xdp_vsi(vsi)) {
-		int frame_size = new_mtu + ETH_HLEN + ETH_FCS_LEN + VLAN_HLEN;
+		int frame_size = new_mtu + I40E_PACKET_HDR_PAD;
 
 		if (frame_size > i40e_max_xdp_frame_size(vsi))
 			return -EINVAL;
@@ -12535,6 +12535,8 @@ static int i40e_ndo_bridge_setlink(struct net_device *dev,
 	}
 
 	br_spec = nlmsg_find_attr(nlh, sizeof(struct ifinfomsg), IFLA_AF_SPEC);
+	if (!br_spec)
+		return -EINVAL;
 
 	nla_for_each_nested(attr, br_spec, rem) {
 		__u16 mode;
diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c
index 7d28563ab7946..ae1d305672259 100644
--- a/drivers/net/ethernet/intel/ice/ice_main.c
+++ b/drivers/net/ethernet/intel/ice/ice_main.c
@@ -3211,7 +3211,7 @@ static int __init ice_module_init(void)
 	pr_info("%s - version %s\n", ice_driver_string, ice_drv_ver);
 	pr_info("%s\n", ice_copyright);
 
-	ice_wq = alloc_workqueue("%s", WQ_MEM_RECLAIM, 0, KBUILD_MODNAME);
+	ice_wq = alloc_workqueue("%s", 0, 0, KBUILD_MODNAME);
 	if (!ice_wq) {
 		pr_err("Failed to create workqueue\n");
 		return -ENOMEM;
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe.h b/drivers/net/ethernet/intel/ixgbe/ixgbe.h
index fa49ef2afde5f..0142ca226bf50 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe.h
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe.h
@@ -67,6 +67,8 @@
 #define IXGBE_RXBUFFER_4K    4096
 #define IXGBE_MAX_RXBUFFER  16384  /* largest size for a single descriptor */
 
+#define IXGBE_PKT_HDR_PAD   (ETH_HLEN + ETH_FCS_LEN + (VLAN_HLEN * 2))
+
 /* Attempt to maximize the headroom available for incoming frames.  We
  * use a 2K buffer for receives and need 1536/1534 to store the data for
  * the frame.  This leaves us with 512 bytes of room.  From that we need
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
index f8aa1a0b89c5d..a864b91065e33 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_main.c
@@ -6721,6 +6721,18 @@ static void ixgbe_free_all_rx_resources(struct ixgbe_adapter *adapter)
 			ixgbe_free_rx_resources(adapter->rx_ring[i]);
 }
 
+/**
+ * ixgbe_max_xdp_frame_size - returns the maximum allowed frame size for XDP
+ * @adapter: device handle, pointer to adapter
+ */
+static int ixgbe_max_xdp_frame_size(struct ixgbe_adapter *adapter)
+{
+	if (PAGE_SIZE >= 8192 || adapter->flags2 & IXGBE_FLAG2_RX_LEGACY)
+		return IXGBE_RXBUFFER_2K;
+	else
+		return IXGBE_RXBUFFER_3K;
+}
+
 /**
  * ixgbe_change_mtu - Change the Maximum Transfer Unit
  * @netdev: network interface device structure
@@ -6732,18 +6744,12 @@ static int ixgbe_change_mtu(struct net_device *netdev, int new_mtu)
 {
 	struct ixgbe_adapter *adapter = netdev_priv(netdev);
 
-	if (adapter->xdp_prog) {
-		int new_frame_size = new_mtu + ETH_HLEN + ETH_FCS_LEN +
-				     VLAN_HLEN;
-		int i;
-
-		for (i = 0; i < adapter->num_rx_queues; i++) {
-			struct ixgbe_ring *ring = adapter->rx_ring[i];
+	if (ixgbe_enabled_xdp_adapter(adapter)) {
+		int new_frame_size = new_mtu + IXGBE_PKT_HDR_PAD;
 
-			if (new_frame_size > ixgbe_rx_bufsz(ring)) {
-				e_warn(probe, "Requested MTU size is not supported with XDP\n");
-				return -EINVAL;
-			}
+		if (new_frame_size > ixgbe_max_xdp_frame_size(adapter)) {
+			e_warn(probe, "Requested MTU size is not supported with XDP\n");
+			return -EINVAL;
 		}
 	}
 
diff --git a/drivers/net/ethernet/pensando/ionic/ionic_lif.c b/drivers/net/ethernet/pensando/ionic/ionic_lif.c
index f9c303d76658a..d0841836cf705 100644
--- a/drivers/net/ethernet/pensando/ionic/ionic_lif.c
+++ b/drivers/net/ethernet/pensando/ionic/ionic_lif.c
@@ -190,6 +190,7 @@ static int ionic_qcq_enable(struct ionic_qcq *qcq)
 			.oper = IONIC_Q_ENABLE,
 		},
 	};
+	int ret;
 
 	idev = &lif->ionic->idev;
 	dev = lif->ionic->dev;
@@ -197,16 +198,24 @@ static int ionic_qcq_enable(struct ionic_qcq *qcq)
 	dev_dbg(dev, "q_enable.index %d q_enable.qtype %d\n",
 		ctx.cmd.q_control.index, ctx.cmd.q_control.type);
 
+	if (qcq->flags & IONIC_QCQ_F_INTR)
+		ionic_intr_clean(idev->intr_ctrl, qcq->intr.index);
+
+	ret = ionic_adminq_post_wait(lif, &ctx);
+	if (ret)
+		return ret;
+
+	if (qcq->napi.poll)
+		napi_enable(&qcq->napi);
+
 	if (qcq->flags & IONIC_QCQ_F_INTR) {
 		irq_set_affinity_hint(qcq->intr.vector,
 				      &qcq->intr.affinity_mask);
-		napi_enable(&qcq->napi);
-		ionic_intr_clean(idev->intr_ctrl, qcq->intr.index);
 		ionic_intr_mask(idev->intr_ctrl, qcq->intr.index,
 				IONIC_INTR_MASK_CLEAR);
 	}
 
-	return ionic_adminq_post_wait(lif, &ctx);
+	return 0;
 }
 
 static int ionic_qcq_disable(struct ionic_qcq *qcq)
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c b/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c
index bfc4a92f1d92b..78be62ecc9a9a 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac-qcom-ethqos.c
@@ -505,6 +505,8 @@ static int qcom_ethqos_probe(struct platform_device *pdev)
 	plat_dat->has_gmac4 = 1;
 	plat_dat->pmt = 1;
 	plat_dat->tso_en = of_property_read_bool(np, "snps,tso");
+	if (of_device_is_compatible(np, "qcom,qcs404-ethqos"))
+		plat_dat->rx_clk_runs_in_lpi = 1;
 
 	ret = stmmac_dvr_probe(&pdev->dev, plat_dat, &stmmac_res);
 	if (ret)
diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac5.c b/drivers/net/ethernet/stmicro/stmmac/dwmac5.c
index e436fa160c7d6..59165c0560d74 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac5.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac5.c
@@ -520,9 +520,9 @@ int dwmac5_flex_pps_config(void __iomem *ioaddr, int index,
 		return 0;
 	}
 
-	val |= PPSCMDx(index, 0x2);
 	val |= TRGTMODSELx(index, 0x2);
 	val |= PPSEN0;
+	writel(val, ioaddr + MAC_PPS_CONTROL);
 
 	writel(cfg->start.tv_sec, ioaddr + MAC_PPSx_TARGET_TIME_SEC(index));
 
@@ -547,6 +547,7 @@ int dwmac5_flex_pps_config(void __iomem *ioaddr, int index,
 	writel(period - 1, ioaddr + MAC_PPSx_WIDTH(index));
 
 	/* Finally, activate it */
+	val |= PPSCMDx(index, 0x2);
 	writel(val, ioaddr + MAC_PPS_CONTROL);
 	return 0;
 }
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 3079e52546663..6a3b0f76d9729 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -932,7 +932,8 @@ static void stmmac_mac_link_up(struct phylink_config *config,
 
 	stmmac_mac_set(priv, priv->ioaddr, true);
 	if (phy && priv->dma_cap.eee) {
-		priv->eee_active = phy_init_eee(phy, 1) >= 0;
+		priv->eee_active =
+			phy_init_eee(phy, !priv->plat->rx_clk_runs_in_lpi) >= 0;
 		priv->eee_enabled = stmmac_eee_init(priv);
 		stmmac_set_eee_pls(priv, priv->hw, true);
 	}
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
index a2ff9b4727ecd..6388bae68b659 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c
@@ -554,7 +554,7 @@ stmmac_probe_config_dt(struct platform_device *pdev, const char **mac)
 	dma_cfg->mixed_burst = of_property_read_bool(np, "snps,mixed-burst");
 
 	plat->force_thresh_dma_mode = of_property_read_bool(np, "snps,force_thresh_dma_mode");
-	if (plat->force_thresh_dma_mode) {
+	if (plat->force_thresh_dma_mode && plat->force_sf_dma_mode) {
 		plat->force_sf_dma_mode = 0;
 		dev_warn(&pdev->dev,
 			 "force_sf_dma_mode is ignored if force_thresh_dma_mode is set.\n");
diff --git a/drivers/net/phy/meson-gxl.c b/drivers/net/phy/meson-gxl.c
index e8f2ca625837f..39151ec6f65e2 100644
--- a/drivers/net/phy/meson-gxl.c
+++ b/drivers/net/phy/meson-gxl.c
@@ -235,6 +235,8 @@ static struct phy_driver meson_gxl_phy[] = {
 		.config_intr	= meson_gxl_config_intr,
 		.suspend        = genphy_suspend,
 		.resume         = genphy_resume,
+		.read_mmd	= genphy_read_mmd_unsupported,
+		.write_mmd	= genphy_write_mmd_unsupported,
 	}, {
 		PHY_ID_MATCH_EXACT(0x01803301),
 		.name		= "Meson G12A Internal PHY",
@@ -245,6 +247,8 @@ static struct phy_driver meson_gxl_phy[] = {
 		.config_intr	= meson_gxl_config_intr,
 		.suspend        = genphy_suspend,
 		.resume         = genphy_resume,
+		.read_mmd	= genphy_read_mmd_unsupported,
+		.write_mmd	= genphy_write_mmd_unsupported,
 	},
 };
 
diff --git a/drivers/net/usb/kalmia.c b/drivers/net/usb/kalmia.c
index fc5895f85cee2..a552bb1665b8a 100644
--- a/drivers/net/usb/kalmia.c
+++ b/drivers/net/usb/kalmia.c
@@ -65,8 +65,8 @@ kalmia_send_init_packet(struct usbnet *dev, u8 *init_msg, u8 init_msg_len,
 		init_msg, init_msg_len, &act_len, KALMIA_USB_TIMEOUT);
 	if (status != 0) {
 		netdev_err(dev->net,
-			"Error sending init packet. Status %i, length %i\n",
-			status, act_len);
+			"Error sending init packet. Status %i\n",
+			status);
 		return status;
 	}
 	else if (act_len != init_msg_len) {
@@ -83,8 +83,8 @@ kalmia_send_init_packet(struct usbnet *dev, u8 *init_msg, u8 init_msg_len,
 
 	if (status != 0)
 		netdev_err(dev->net,
-			"Error receiving init result. Status %i, length %i\n",
-			status, act_len);
+			"Error receiving init result. Status %i\n",
+			status);
 	else if (act_len != expected_len)
 		netdev_err(dev->net, "Unexpected init result length: %i\n",
 			act_len);
diff --git a/drivers/net/usb/plusb.c b/drivers/net/usb/plusb.c
index 17c9c63b8eebb..ce7862dac2b75 100644
--- a/drivers/net/usb/plusb.c
+++ b/drivers/net/usb/plusb.c
@@ -57,9 +57,7 @@
 static inline int
 pl_vendor_req(struct usbnet *dev, u8 req, u8 val, u8 index)
 {
-	return usbnet_read_cmd(dev, req,
-				USB_DIR_IN | USB_TYPE_VENDOR |
-				USB_RECIP_DEVICE,
+	return usbnet_write_cmd(dev, req, USB_TYPE_VENDOR | USB_RECIP_DEVICE,
 				val, index, NULL, 0);
 }
 
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index 579df7c5411d3..5212d9cb03728 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -1910,8 +1910,8 @@ static int virtnet_close(struct net_device *dev)
 	cancel_delayed_work_sync(&vi->refill);
 
 	for (i = 0; i < vi->max_queue_pairs; i++) {
-		xdp_rxq_info_unreg(&vi->rq[i].xdp_rxq);
 		napi_disable(&vi->rq[i].napi);
+		xdp_rxq_info_unreg(&vi->rq[i].xdp_rxq);
 		virtnet_napi_tx_disable(&vi->sq[i].napi);
 	}
 
diff --git a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
index 6439adcd2f995..cd146bbca670b 100644
--- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/cfg80211.c
@@ -87,6 +87,9 @@
 #define BRCMF_ASSOC_PARAMS_FIXED_SIZE \
 	(sizeof(struct brcmf_assoc_params_le) - sizeof(u16))
 
+#define BRCMF_MAX_CHANSPEC_LIST \
+	(BRCMF_DCMD_MEDLEN / sizeof(__le32) - 1)
+
 static bool check_vif_up(struct brcmf_cfg80211_vif *vif)
 {
 	if (!test_bit(BRCMF_VIF_STATUS_READY, &vif->sme_state)) {
@@ -6067,6 +6070,13 @@ static int brcmf_construct_chaninfo(struct brcmf_cfg80211_info *cfg,
 			band->channels[i].flags = IEEE80211_CHAN_DISABLED;
 
 	total = le32_to_cpu(list->count);
+	if (total > BRCMF_MAX_CHANSPEC_LIST) {
+		bphy_err(drvr, "Invalid count of channel Spec. (%u)\n",
+			 total);
+		err = -EINVAL;
+		goto fail_pbuf;
+	}
+
 	for (i = 0; i < total; i++) {
 		ch.chspec = (u16)le32_to_cpu(list->element[i]);
 		cfg->d11inf.decchspec(&ch);
@@ -6212,6 +6222,13 @@ static int brcmf_enable_bw40_2g(struct brcmf_cfg80211_info *cfg)
 		band = cfg_to_wiphy(cfg)->bands[NL80211_BAND_2GHZ];
 		list = (struct brcmf_chanspec_list *)pbuf;
 		num_chan = le32_to_cpu(list->count);
+		if (num_chan > BRCMF_MAX_CHANSPEC_LIST) {
+			bphy_err(drvr, "Invalid count of channel Spec. (%u)\n",
+				 num_chan);
+			kfree(pbuf);
+			return -EINVAL;
+		}
+
 		for (i = 0; i < num_chan; i++) {
 			ch.chspec = (u16)le32_to_cpu(list->element[i]);
 			cfg->d11inf.decchspec(&ch);
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index 5d62d1042c0e6..a58711c488509 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -3199,7 +3199,6 @@ static const struct pci_device_id nvme_id_table[] = {
 				NVME_QUIRK_IGNORE_DEV_SUBNQN, },
 	{ PCI_DEVICE(0x1c5c, 0x1504),   /* SK Hynix PC400 */
 		.driver_data = NVME_QUIRK_DISABLE_WRITE_ZEROES, },
-	{ PCI_DEVICE_CLASS(PCI_CLASS_STORAGE_EXPRESS, 0xffffff) },
 	{ PCI_DEVICE(0x2646, 0x2263),   /* KINGSTON A2000 NVMe SSD  */
 		.driver_data = NVME_QUIRK_NO_DEEPEST_PS, },
 	{ PCI_DEVICE(PCI_VENDOR_ID_APPLE, 0x2001),
@@ -3209,6 +3208,8 @@ static const struct pci_device_id nvme_id_table[] = {
 		.driver_data = NVME_QUIRK_SINGLE_VECTOR |
 				NVME_QUIRK_128_BYTES_SQES |
 				NVME_QUIRK_SHARED_TAGS },
+
+	{ PCI_DEVICE_CLASS(PCI_CLASS_STORAGE_EXPRESS, 0xffffff) },
 	{ 0, }
 };
 MODULE_DEVICE_TABLE(pci, nvme_id_table);
diff --git a/drivers/nvme/target/fc.c b/drivers/nvme/target/fc.c
index 9b07e8c7689ab..f74fc6481731d 100644
--- a/drivers/nvme/target/fc.c
+++ b/drivers/nvme/target/fc.c
@@ -1362,8 +1362,10 @@ nvmet_fc_ls_create_association(struct nvmet_fc_tgtport *tgtport,
 		else {
 			queue = nvmet_fc_alloc_target_queue(iod->assoc, 0,
 					be16_to_cpu(rqst->assoc_cmd.sqsize));
-			if (!queue)
+			if (!queue) {
 				ret = VERR_QUEUE_ALLOC_FAIL;
+				nvmet_fc_tgt_a_put(iod->assoc);
+			}
 		}
 	}
 
diff --git a/drivers/nvmem/core.c b/drivers/nvmem/core.c
index c0f4324d8f7c8..cde1d77845fee 100644
--- a/drivers/nvmem/core.c
+++ b/drivers/nvmem/core.c
@@ -439,7 +439,7 @@ struct nvmem_device *nvmem_register(const struct nvmem_config *config)
 	if (config->cells) {
 		rval = nvmem_add_cells(nvmem, config->cells, config->ncells);
 		if (rval)
-			goto err_teardown_compat;
+			goto err_remove_cells;
 	}
 
 	rval = nvmem_add_cells_from_table(nvmem);
@@ -456,7 +456,6 @@ struct nvmem_device *nvmem_register(const struct nvmem_config *config)
 
 err_remove_cells:
 	nvmem_device_remove_all_cells(nvmem);
-err_teardown_compat:
 	if (config->compat)
 		nvmem_sysfs_remove_compat(nvmem, config);
 err_device_del:
diff --git a/drivers/pinctrl/aspeed/pinctrl-aspeed.c b/drivers/pinctrl/aspeed/pinctrl-aspeed.c
index 22aca6d182c0c..2c1e799b029e7 100644
--- a/drivers/pinctrl/aspeed/pinctrl-aspeed.c
+++ b/drivers/pinctrl/aspeed/pinctrl-aspeed.c
@@ -115,7 +115,7 @@ static int aspeed_disable_sig(struct aspeed_pinmux_data *ctx,
 	int ret = 0;
 
 	if (!exprs)
-		return true;
+		return -EINVAL;
 
 	while (*exprs && !ret) {
 		ret = aspeed_sig_expr_disable(ctx, *exprs);
diff --git a/drivers/pinctrl/intel/pinctrl-intel.c b/drivers/pinctrl/intel/pinctrl-intel.c
index e0cb76f7e5407..32c6326337f73 100644
--- a/drivers/pinctrl/intel/pinctrl-intel.c
+++ b/drivers/pinctrl/intel/pinctrl-intel.c
@@ -1510,6 +1510,12 @@ int intel_pinctrl_probe_by_uid(struct platform_device *pdev)
 EXPORT_SYMBOL_GPL(intel_pinctrl_probe_by_uid);
 
 #ifdef CONFIG_PM_SLEEP
+static bool __intel_gpio_is_direct_irq(u32 value)
+{
+	return (value & PADCFG0_GPIROUTIOXAPIC) && (value & PADCFG0_GPIOTXDIS) &&
+	       (__intel_gpio_get_gpio_mode(value) == PADCFG0_PMODE_GPIO);
+}
+
 static bool intel_pinctrl_should_save(struct intel_pinctrl *pctrl, unsigned int pin)
 {
 	const struct pin_desc *pd = pin_desc_get(pctrl->pctldev, pin);
@@ -1543,8 +1549,7 @@ static bool intel_pinctrl_should_save(struct intel_pinctrl *pctrl, unsigned int
 	 * See https://bugzilla.kernel.org/show_bug.cgi?id=214749.
 	 */
 	value = readl(intel_get_padcfg(pctrl, pin, PADCFG0));
-	if ((value & PADCFG0_GPIROUTIOXAPIC) && (value & PADCFG0_GPIOTXDIS) &&
-	    (__intel_gpio_get_gpio_mode(value) == PADCFG0_PMODE_GPIO))
+	if (__intel_gpio_is_direct_irq(value))
 		return true;
 
 	return false;
@@ -1656,7 +1661,12 @@ int intel_pinctrl_resume_noirq(struct device *dev)
 		void __iomem *padcfg;
 		u32 val;
 
-		if (!intel_pinctrl_should_save(pctrl, desc->number))
+		if (!(intel_pinctrl_should_save(pctrl, desc->number) ||
+		      /*
+		       * If the firmware mangled the register contents too much,
+		       * check the saved value for the Direct IRQ mode.
+		       */
+		      __intel_gpio_is_direct_irq(pads[i].padcfg0)))
 			continue;
 
 		padcfg = intel_get_padcfg(pctrl, desc->number, PADCFG0);
diff --git a/drivers/pinctrl/pinctrl-single.c b/drivers/pinctrl/pinctrl-single.c
index 20c89023d312e..ce5be6f0b7aac 100644
--- a/drivers/pinctrl/pinctrl-single.c
+++ b/drivers/pinctrl/pinctrl-single.c
@@ -345,6 +345,8 @@ static int pcs_set_mux(struct pinctrl_dev *pctldev, unsigned fselector,
 	if (!pcs->fmask)
 		return 0;
 	function = pinmux_generic_get_function(pctldev, fselector);
+	if (!function)
+		return -EINVAL;
 	func = function->data;
 	if (!func)
 		return -EINVAL;
diff --git a/drivers/scsi/iscsi_tcp.c b/drivers/scsi/iscsi_tcp.c
index b5dd1caae5e92..9320a0a92bb2f 100644
--- a/drivers/scsi/iscsi_tcp.c
+++ b/drivers/scsi/iscsi_tcp.c
@@ -770,7 +770,7 @@ static int iscsi_sw_tcp_host_get_param(struct Scsi_Host *shost,
 				       enum iscsi_host_param param, char *buf)
 {
 	struct iscsi_sw_tcp_host *tcp_sw_host = iscsi_host_priv(shost);
-	struct iscsi_session *session = tcp_sw_host->session;
+	struct iscsi_session *session;
 	struct iscsi_conn *conn;
 	struct iscsi_tcp_conn *tcp_conn;
 	struct iscsi_sw_tcp_conn *tcp_sw_conn;
@@ -779,6 +779,7 @@ static int iscsi_sw_tcp_host_get_param(struct Scsi_Host *shost,
 
 	switch (param) {
 	case ISCSI_HOST_PARAM_IPADDRESS:
+		session = tcp_sw_host->session;
 		if (!session)
 			return -ENOTCONN;
 
@@ -867,12 +868,14 @@ iscsi_sw_tcp_session_create(struct iscsi_endpoint *ep, uint16_t cmds_max,
 	if (!cls_session)
 		goto remove_host;
 	session = cls_session->dd_data;
-	tcp_sw_host = iscsi_host_priv(shost);
-	tcp_sw_host->session = session;
 
 	shost->can_queue = session->scsi_cmds_max;
 	if (iscsi_tcp_r2tpool_alloc(session))
 		goto remove_session;
+
+	/* We are now fully setup so expose the session to sysfs. */
+	tcp_sw_host = iscsi_host_priv(shost);
+	tcp_sw_host->session = session;
 	return cls_session;
 
 remove_session:
diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c
index 3fd109fd9335d..d236322ced30e 100644
--- a/drivers/scsi/scsi_scan.c
+++ b/drivers/scsi/scsi_scan.c
@@ -1130,8 +1130,7 @@ static int scsi_probe_and_add_lun(struct scsi_target *starget,
 	 * that no LUN is present, so don't add sdev in these cases.
 	 * Two specific examples are:
 	 * 1) NetApp targets: return PQ=1, PDT=0x1f
-	 * 2) IBM/2145 targets: return PQ=1, PDT=0
-	 * 3) USB UFI: returns PDT=0x1f, with the PQ bits being "reserved"
+	 * 2) USB UFI: returns PDT=0x1f, with the PQ bits being "reserved"
 	 *    in the UFI 1.0 spec (we cannot rely on reserved bits).
 	 *
 	 * References:
@@ -1145,8 +1144,8 @@ static int scsi_probe_and_add_lun(struct scsi_target *starget,
 	 * PDT=00h Direct-access device (floppy)
 	 * PDT=1Fh none (no FDD connected to the requested logical unit)
 	 */
-	if (((result[0] >> 5) == 1 ||
-	    (starget->pdt_1f_for_no_lun && (result[0] & 0x1f) == 0x1f)) &&
+	if (((result[0] >> 5) == 1 || starget->pdt_1f_for_no_lun) &&
+	    (result[0] & 0x1f) == 0x1f &&
 	    !scsi_is_wlun(lun)) {
 		SCSI_LOG_SCAN_BUS(3, sdev_printk(KERN_INFO, sdev,
 					"scsi scan: peripheral device type"
diff --git a/drivers/target/target_core_file.c b/drivers/target/target_core_file.c
index 7143d03f0e027..18fbbe510d018 100644
--- a/drivers/target/target_core_file.c
+++ b/drivers/target/target_core_file.c
@@ -340,7 +340,7 @@ static int fd_do_rw(struct se_cmd *cmd, struct file *fd,
 		len += sg->length;
 	}
 
-	iov_iter_bvec(&iter, READ, bvec, sgl_nents, len);
+	iov_iter_bvec(&iter, is_write, bvec, sgl_nents, len);
 	if (is_write)
 		ret = vfs_iter_write(fd, &iter, &pos, 0);
 	else
@@ -477,7 +477,7 @@ fd_execute_write_same(struct se_cmd *cmd)
 		len += se_dev->dev_attrib.block_size;
 	}
 
-	iov_iter_bvec(&iter, READ, bvec, nolb, len);
+	iov_iter_bvec(&iter, WRITE, bvec, nolb, len);
 	ret = vfs_iter_write(fd_dev->fd_file, &iter, &pos, 0);
 
 	kfree(bvec);
diff --git a/drivers/target/target_core_tmr.c b/drivers/target/target_core_tmr.c
index feeba3966617b..6928ebf0be9c7 100644
--- a/drivers/target/target_core_tmr.c
+++ b/drivers/target/target_core_tmr.c
@@ -82,8 +82,8 @@ static bool __target_check_io_state(struct se_cmd *se_cmd,
 {
 	struct se_session *sess = se_cmd->se_sess;
 
-	assert_spin_locked(&sess->sess_cmd_lock);
-	WARN_ON_ONCE(!irqs_disabled());
+	lockdep_assert_held(&sess->sess_cmd_lock);
+
 	/*
 	 * If command already reached CMD_T_COMPLETE state within
 	 * target_complete_cmd() or CMD_T_FABRIC_STOP due to shutdown,
diff --git a/drivers/tty/serial/8250/8250_dma.c b/drivers/tty/serial/8250/8250_dma.c
index 890fa7ddaa7f3..bdc7bb7a1b929 100644
--- a/drivers/tty/serial/8250/8250_dma.c
+++ b/drivers/tty/serial/8250/8250_dma.c
@@ -46,19 +46,39 @@ static void __dma_rx_complete(void *param)
 	struct uart_8250_dma	*dma = p->dma;
 	struct tty_port		*tty_port = &p->port.state->port;
 	struct dma_tx_state	state;
+	enum dma_status		dma_status;
 	int			count;
 
-	dma->rx_running = 0;
-	dmaengine_tx_status(dma->rxchan, dma->rx_cookie, &state);
+	/*
+	 * New DMA Rx can be started during the completion handler before it
+	 * could acquire port's lock and it might still be ongoing. Don't to
+	 * anything in such case.
+	 */
+	dma_status = dmaengine_tx_status(dma->rxchan, dma->rx_cookie, &state);
+	if (dma_status == DMA_IN_PROGRESS)
+		return;
 
 	count = dma->rx_size - state.residue;
 
 	tty_insert_flip_string(tty_port, dma->rx_buf, count);
 	p->port.icount.rx += count;
+	dma->rx_running = 0;
 
 	tty_flip_buffer_push(tty_port);
 }
 
+static void dma_rx_complete(void *param)
+{
+	struct uart_8250_port *p = param;
+	struct uart_8250_dma *dma = p->dma;
+	unsigned long flags;
+
+	spin_lock_irqsave(&p->port.lock, flags);
+	if (dma->rx_running)
+		__dma_rx_complete(p);
+	spin_unlock_irqrestore(&p->port.lock, flags);
+}
+
 int serial8250_tx_dma(struct uart_8250_port *p)
 {
 	struct uart_8250_dma		*dma = p->dma;
@@ -121,7 +141,7 @@ int serial8250_rx_dma(struct uart_8250_port *p)
 		return -EBUSY;
 
 	dma->rx_running = 1;
-	desc->callback = __dma_rx_complete;
+	desc->callback = dma_rx_complete;
 	desc->callback_param = p;
 
 	dma->rx_cookie = dmaengine_submit(desc);
diff --git a/drivers/tty/vt/vc_screen.c b/drivers/tty/vt/vc_screen.c
index 778f83ea22493..e61fd04a0d8d0 100644
--- a/drivers/tty/vt/vc_screen.c
+++ b/drivers/tty/vt/vc_screen.c
@@ -265,10 +265,6 @@ vcs_read(struct file *file, char __user *buf, size_t count, loff_t *ppos)
 
 	uni_mode = use_unicode(inode);
 	attr = use_attributes(inode);
-	ret = -ENXIO;
-	vc = vcs_vc(inode, &viewed);
-	if (!vc)
-		goto unlock_out;
 
 	ret = -EINVAL;
 	if (pos < 0)
@@ -288,6 +284,11 @@ vcs_read(struct file *file, char __user *buf, size_t count, loff_t *ppos)
 		ssize_t orig_count;
 		long p = pos;
 
+		ret = -ENXIO;
+		vc = vcs_vc(inode, &viewed);
+		if (!vc)
+			goto unlock_out;
+
 		/* Check whether we are above size each round,
 		 * as copy_to_user at the end of this loop
 		 * could sleep.
diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
index 35a11f7bcb658..1346c600ebedf 100644
--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -527,6 +527,9 @@ static const struct usb_device_id usb_quirk_list[] = {
 	/* DJI CineSSD */
 	{ USB_DEVICE(0x2ca3, 0x0031), .driver_info = USB_QUIRK_NO_LPM },
 
+	/* Alcor Link AK9563 SC Reader used in 2022 Lenovo ThinkPads */
+	{ USB_DEVICE(0x2ce3, 0x9563), .driver_info = USB_QUIRK_NO_LPM },
+
 	/* DELL USB GEN2 */
 	{ USB_DEVICE(0x413c, 0xb062), .driver_info = USB_QUIRK_NO_LPM | USB_QUIRK_RESET_RESUME },
 
diff --git a/drivers/usb/dwc3/dwc3-qcom.c b/drivers/usb/dwc3/dwc3-qcom.c
index aed35276e0e0c..2dcdeb52fc293 100644
--- a/drivers/usb/dwc3/dwc3-qcom.c
+++ b/drivers/usb/dwc3/dwc3-qcom.c
@@ -102,7 +102,7 @@ static inline void dwc3_qcom_clrbits(void __iomem *base, u32 offset, u32 val)
 	readl(base + offset);
 }
 
-static void dwc3_qcom_vbus_overrride_enable(struct dwc3_qcom *qcom, bool enable)
+static void dwc3_qcom_vbus_override_enable(struct dwc3_qcom *qcom, bool enable)
 {
 	if (enable) {
 		dwc3_qcom_setbits(qcom->qscratch_base, QSCRATCH_SS_PHY_CTRL,
@@ -123,7 +123,7 @@ static int dwc3_qcom_vbus_notifier(struct notifier_block *nb,
 	struct dwc3_qcom *qcom = container_of(nb, struct dwc3_qcom, vbus_nb);
 
 	/* enable vbus override for device mode */
-	dwc3_qcom_vbus_overrride_enable(qcom, event);
+	dwc3_qcom_vbus_override_enable(qcom, event);
 	qcom->mode = event ? USB_DR_MODE_PERIPHERAL : USB_DR_MODE_HOST;
 
 	return NOTIFY_DONE;
@@ -135,7 +135,7 @@ static int dwc3_qcom_host_notifier(struct notifier_block *nb,
 	struct dwc3_qcom *qcom = container_of(nb, struct dwc3_qcom, host_nb);
 
 	/* disable vbus override in host mode */
-	dwc3_qcom_vbus_overrride_enable(qcom, !event);
+	dwc3_qcom_vbus_override_enable(qcom, !event);
 	qcom->mode = event ? USB_DR_MODE_HOST : USB_DR_MODE_PERIPHERAL;
 
 	return NOTIFY_DONE;
@@ -669,8 +669,8 @@ static int dwc3_qcom_probe(struct platform_device *pdev)
 	qcom->mode = usb_get_dr_mode(&qcom->dwc3->dev);
 
 	/* enable vbus override for device mode */
-	if (qcom->mode == USB_DR_MODE_PERIPHERAL)
-		dwc3_qcom_vbus_overrride_enable(qcom, true);
+	if (qcom->mode != USB_DR_MODE_HOST)
+		dwc3_qcom_vbus_override_enable(qcom, true);
 
 	/* register extcon to override sw_vbus on Vbus change later */
 	ret = dwc3_qcom_register_extcon(qcom);
diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c
index 431ab6d07497f..5fe7490367734 100644
--- a/drivers/usb/gadget/function/f_fs.c
+++ b/drivers/usb/gadget/function/f_fs.c
@@ -278,8 +278,10 @@ static int __ffs_ep0_queue_wait(struct ffs_data *ffs, char *data, size_t len)
 	struct usb_request *req = ffs->ep0req;
 	int ret;
 
-	if (!req)
+	if (!req) {
+		spin_unlock_irq(&ffs->ev.waitq.lock);
 		return -EINVAL;
+	}
 
 	req->zero     = len < le16_to_cpu(ffs->ev.setup.wLength);
 
diff --git a/drivers/usb/typec/altmodes/displayport.c b/drivers/usb/typec/altmodes/displayport.c
index 1aa1bd991ef43..c840f03996fb6 100644
--- a/drivers/usb/typec/altmodes/displayport.c
+++ b/drivers/usb/typec/altmodes/displayport.c
@@ -522,10 +522,10 @@ int dp_altmode_probe(struct typec_altmode *alt)
 	/* FIXME: Port can only be DFP_U. */
 
 	/* Make sure we have compatiple pin configurations */
-	if (!(DP_CAP_DFP_D_PIN_ASSIGN(port->vdo) &
-	      DP_CAP_UFP_D_PIN_ASSIGN(alt->vdo)) &&
-	    !(DP_CAP_UFP_D_PIN_ASSIGN(port->vdo) &
-	      DP_CAP_DFP_D_PIN_ASSIGN(alt->vdo)))
+	if (!(DP_CAP_PIN_ASSIGN_DFP_D(port->vdo) &
+	      DP_CAP_PIN_ASSIGN_UFP_D(alt->vdo)) &&
+	    !(DP_CAP_PIN_ASSIGN_UFP_D(port->vdo) &
+	      DP_CAP_PIN_ASSIGN_DFP_D(alt->vdo)))
 		return -ENODEV;
 
 	ret = sysfs_create_group(&alt->dev.kobj, &dp_altmode_group);
diff --git a/drivers/video/fbdev/core/fbcon.c b/drivers/video/fbdev/core/fbcon.c
index 673af5937489f..e487928289392 100644
--- a/drivers/video/fbdev/core/fbcon.c
+++ b/drivers/video/fbdev/core/fbcon.c
@@ -2497,9 +2497,12 @@ static int fbcon_set_font(struct vc_data *vc, struct console_font *font,
 	    h > FBCON_SWAP(info->var.rotate, info->var.yres, info->var.xres))
 		return -EINVAL;
 
+	if (font->width > 32 || font->height > 32)
+		return -EINVAL;
+
 	/* Make sure drawing engine can handle the font */
-	if (!(info->pixmap.blit_x & (1 << (font->width - 1))) ||
-	    !(info->pixmap.blit_y & (1 << (font->height - 1))))
+	if (!(info->pixmap.blit_x & BIT(font->width - 1)) ||
+	    !(info->pixmap.blit_y & BIT(font->height - 1)))
 		return -EINVAL;
 
 	/* Make sure driver can handle the font length */
diff --git a/drivers/video/fbdev/smscufx.c b/drivers/video/fbdev/smscufx.c
index a5abdec58fe26..53fb34f074c74 100644
--- a/drivers/video/fbdev/smscufx.c
+++ b/drivers/video/fbdev/smscufx.c
@@ -1622,7 +1622,7 @@ static int ufx_usb_probe(struct usb_interface *interface,
 	struct usb_device *usbdev;
 	struct ufx_data *dev;
 	struct fb_info *info;
-	int retval;
+	int retval = -ENOMEM;
 	u32 id_rev, fpga_rev;
 
 	/* usb initialization */
@@ -1654,15 +1654,17 @@ static int ufx_usb_probe(struct usb_interface *interface,
 
 	if (!ufx_alloc_urb_list(dev, WRITES_IN_FLIGHT, MAX_TRANSFER)) {
 		dev_err(dev->gdev, "ufx_alloc_urb_list failed\n");
-		goto e_nomem;
+		goto put_ref;
 	}
 
 	/* We don't register a new USB class. Our client interface is fbdev */
 
 	/* allocates framebuffer driver structure, not framebuffer memory */
 	info = framebuffer_alloc(0, &usbdev->dev);
-	if (!info)
-		goto e_nomem;
+	if (!info) {
+		dev_err(dev->gdev, "framebuffer_alloc failed\n");
+		goto free_urb_list;
+	}
 
 	dev->info = info;
 	info->par = dev;
@@ -1705,22 +1707,34 @@ static int ufx_usb_probe(struct usb_interface *interface,
 	check_warn_goto_error(retval, "unable to find common mode for display and adapter");
 
 	retval = ufx_reg_set_bits(dev, 0x4000, 0x00000001);
-	check_warn_goto_error(retval, "error %d enabling graphics engine", retval);
+	if (retval < 0) {
+		dev_err(dev->gdev, "error %d enabling graphics engine", retval);
+		goto setup_modes;
+	}
 
 	/* ready to begin using device */
 	atomic_set(&dev->usb_active, 1);
 
 	dev_dbg(dev->gdev, "checking var");
 	retval = ufx_ops_check_var(&info->var, info);
-	check_warn_goto_error(retval, "error %d ufx_ops_check_var", retval);
+	if (retval < 0) {
+		dev_err(dev->gdev, "error %d ufx_ops_check_var", retval);
+		goto reset_active;
+	}
 
 	dev_dbg(dev->gdev, "setting par");
 	retval = ufx_ops_set_par(info);
-	check_warn_goto_error(retval, "error %d ufx_ops_set_par", retval);
+	if (retval < 0) {
+		dev_err(dev->gdev, "error %d ufx_ops_set_par", retval);
+		goto reset_active;
+	}
 
 	dev_dbg(dev->gdev, "registering framebuffer");
 	retval = register_framebuffer(info);
-	check_warn_goto_error(retval, "error %d register_framebuffer", retval);
+	if (retval < 0) {
+		dev_err(dev->gdev, "error %d register_framebuffer", retval);
+		goto reset_active;
+	}
 
 	dev_info(dev->gdev, "SMSC UDX USB device /dev/fb%d attached. %dx%d resolution."
 		" Using %dK framebuffer memory\n", info->node,
@@ -1728,21 +1742,23 @@ static int ufx_usb_probe(struct usb_interface *interface,
 
 	return 0;
 
-error:
-	fb_dealloc_cmap(&info->cmap);
-destroy_modedb:
+reset_active:
+	atomic_set(&dev->usb_active, 0);
+setup_modes:
 	fb_destroy_modedb(info->monspecs.modedb);
 	vfree(info->screen_base);
 	fb_destroy_modelist(&info->modelist);
+error:
+	fb_dealloc_cmap(&info->cmap);
+destroy_modedb:
 	framebuffer_release(info);
+free_urb_list:
+	if (dev->urbs.count > 0)
+		ufx_free_urb_list(dev);
 put_ref:
 	kref_put(&dev->kref, ufx_free); /* ref for framebuffer */
 	kref_put(&dev->kref, ufx_free); /* last ref from kref_init */
 	return retval;
-
-e_nomem:
-	retval = -ENOMEM;
-	goto put_ref;
 }
 
 static void ufx_usb_disconnect(struct usb_interface *interface)
diff --git a/drivers/watchdog/diag288_wdt.c b/drivers/watchdog/diag288_wdt.c
index aafc8d98bf9fd..370f648cb4b1a 100644
--- a/drivers/watchdog/diag288_wdt.c
+++ b/drivers/watchdog/diag288_wdt.c
@@ -86,7 +86,7 @@ static int __diag288(unsigned int func, unsigned int timeout,
 		"1:\n"
 		EX_TABLE(0b, 1b)
 		: "+d" (err) : "d"(__func), "d"(__timeout),
-		  "d"(__action), "d"(__len) : "1", "cc");
+		  "d"(__action), "d"(__len) : "1", "cc", "memory");
 	return err;
 }
 
@@ -272,12 +272,21 @@ static int __init diag288_init(void)
 	char ebc_begin[] = {
 		194, 197, 199, 201, 213
 	};
+	char *ebc_cmd;
 
 	watchdog_set_nowayout(&wdt_dev, nowayout_info);
 
 	if (MACHINE_IS_VM) {
-		if (__diag288_vm(WDT_FUNC_INIT, 15,
-				 ebc_begin, sizeof(ebc_begin)) != 0) {
+		ebc_cmd = kmalloc(sizeof(ebc_begin), GFP_KERNEL);
+		if (!ebc_cmd) {
+			pr_err("The watchdog cannot be initialized\n");
+			return -ENOMEM;
+		}
+		memcpy(ebc_cmd, ebc_begin, sizeof(ebc_begin));
+		ret = __diag288_vm(WDT_FUNC_INIT, 15,
+				   ebc_cmd, sizeof(ebc_begin));
+		kfree(ebc_cmd);
+		if (ret != 0) {
 			pr_err("The watchdog cannot be initialized\n");
 			return -EINVAL;
 		}
diff --git a/drivers/xen/pvcalls-back.c b/drivers/xen/pvcalls-back.c
index 9439de2ca0e45..9c267e27d9d95 100644
--- a/drivers/xen/pvcalls-back.c
+++ b/drivers/xen/pvcalls-back.c
@@ -129,13 +129,13 @@ static bool pvcalls_conn_back_read(void *opaque)
 	if (masked_prod < masked_cons) {
 		vec[0].iov_base = data->in + masked_prod;
 		vec[0].iov_len = wanted;
-		iov_iter_kvec(&msg.msg_iter, WRITE, vec, 1, wanted);
+		iov_iter_kvec(&msg.msg_iter, READ, vec, 1, wanted);
 	} else {
 		vec[0].iov_base = data->in + masked_prod;
 		vec[0].iov_len = array_size - masked_prod;
 		vec[1].iov_base = data->in;
 		vec[1].iov_len = wanted - vec[0].iov_len;
-		iov_iter_kvec(&msg.msg_iter, WRITE, vec, 2, wanted);
+		iov_iter_kvec(&msg.msg_iter, READ, vec, 2, wanted);
 	}
 
 	atomic_set(&map->read, 0);
@@ -188,13 +188,13 @@ static bool pvcalls_conn_back_write(struct sock_mapping *map)
 	if (pvcalls_mask(prod, array_size) > pvcalls_mask(cons, array_size)) {
 		vec[0].iov_base = data->out + pvcalls_mask(cons, array_size);
 		vec[0].iov_len = size;
-		iov_iter_kvec(&msg.msg_iter, READ, vec, 1, size);
+		iov_iter_kvec(&msg.msg_iter, WRITE, vec, 1, size);
 	} else {
 		vec[0].iov_base = data->out + pvcalls_mask(cons, array_size);
 		vec[0].iov_len = array_size - pvcalls_mask(cons, array_size);
 		vec[1].iov_base = data->out;
 		vec[1].iov_len = size - vec[0].iov_len;
-		iov_iter_kvec(&msg.msg_iter, READ, vec, 2, size);
+		iov_iter_kvec(&msg.msg_iter, WRITE, vec, 2, size);
 	}
 
 	atomic_set(&map->write, 0);
diff --git a/fs/aio.c b/fs/aio.c
index fb92c32a6f1e9..1ec5a773d09c5 100644
--- a/fs/aio.c
+++ b/fs/aio.c
@@ -336,6 +336,9 @@ static int aio_ring_mremap(struct vm_area_struct *vma)
 	spin_lock(&mm->ioctx_lock);
 	rcu_read_lock();
 	table = rcu_dereference(mm->ioctx_table);
+	if (!table)
+		goto out_unlock;
+
 	for (i = 0; i < table->nr; i++) {
 		struct kioctx *ctx;
 
@@ -349,6 +352,7 @@ static int aio_ring_mremap(struct vm_area_struct *vma)
 		}
 	}
 
+out_unlock:
 	rcu_read_unlock();
 	spin_unlock(&mm->ioctx_lock);
 	return res;
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 548de841cee53..3fa972a43b5e1 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -354,6 +354,7 @@ void btrfs_free_device(struct btrfs_device *device)
 static void free_fs_devices(struct btrfs_fs_devices *fs_devices)
 {
 	struct btrfs_device *device;
+
 	WARN_ON(fs_devices->opened);
 	while (!list_empty(&fs_devices->devices)) {
 		device = list_entry(fs_devices->devices.next,
@@ -1401,6 +1402,17 @@ int btrfs_close_devices(struct btrfs_fs_devices *fs_devices)
 	if (!fs_devices->opened) {
 		seed_devices = fs_devices->seed;
 		fs_devices->seed = NULL;
+
+		/*
+		 * If the struct btrfs_fs_devices is not assembled with any
+		 * other device, it can be re-initialized during the next mount
+		 * without the needing device-scan step. Therefore, it can be
+		 * fully freed.
+		 */
+		if (fs_devices->num_devices == 1) {
+			list_del(&fs_devices->fs_list);
+			free_fs_devices(fs_devices);
+		}
 	}
 	mutex_unlock(&uuid_mutex);
 
@@ -1701,7 +1713,7 @@ again:
 			goto out;
 	}
 
-	while (1) {
+	while (search_start < search_end) {
 		l = path->nodes[0];
 		slot = path->slots[0];
 		if (slot >= btrfs_header_nritems(l)) {
@@ -1724,6 +1736,9 @@ again:
 		if (key.type != BTRFS_DEV_EXTENT_KEY)
 			goto next;
 
+		if (key.offset > search_end)
+			break;
+
 		if (key.offset > search_start) {
 			hole_size = key.offset - search_start;
 
@@ -1794,6 +1809,7 @@ next:
 	else
 		ret = 0;
 
+	ASSERT(max_hole_start + max_hole_size <= search_end);
 out:
 	btrfs_free_path(path);
 	*start = max_hole_start;
diff --git a/fs/btrfs/zlib.c b/fs/btrfs/zlib.c
index df1aace5df501..9385d0bb276dd 100644
--- a/fs/btrfs/zlib.c
+++ b/fs/btrfs/zlib.c
@@ -74,7 +74,7 @@ static struct list_head *zlib_alloc_workspace(unsigned int level)
 
 	workspacesize = max(zlib_deflate_workspacesize(MAX_WBITS, MAX_MEM_LEVEL),
 			zlib_inflate_workspacesize());
-	workspace->strm.workspace = kvmalloc(workspacesize, GFP_KERNEL);
+	workspace->strm.workspace = kvzalloc(workspacesize, GFP_KERNEL);
 	workspace->level = level;
 	workspace->buf = kmalloc(PAGE_SIZE, GFP_KERNEL);
 	if (!workspace->strm.workspace || !workspace->buf)
diff --git a/fs/ceph/mds_client.c b/fs/ceph/mds_client.c
index 37fb71797b341..3bf81fe5f10a3 100644
--- a/fs/ceph/mds_client.c
+++ b/fs/ceph/mds_client.c
@@ -3151,6 +3151,12 @@ static void handle_session(struct ceph_mds_session *session,
 		break;
 
 	case CEPH_SESSION_FLUSHMSG:
+		/* flush cap releases */
+		spin_lock(&session->s_cap_lock);
+		if (session->s_num_cap_releases)
+			ceph_flush_cap_releases(mdsc, session);
+		spin_unlock(&session->s_cap_lock);
+
 		send_flushmsg_ack(mdsc, session, seq);
 		break;
 
diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
index ef71d9cda5851..939be9df0207e 100644
--- a/fs/f2fs/gc.c
+++ b/fs/f2fs/gc.c
@@ -612,7 +612,7 @@ static bool is_alive(struct f2fs_sb_info *sbi, struct f2fs_summary *sum,
 {
 	struct page *node_page;
 	nid_t nid;
-	unsigned int ofs_in_node, max_addrs;
+	unsigned int ofs_in_node, max_addrs, base;
 	block_t source_blkaddr;
 
 	nid = le32_to_cpu(sum->nid);
@@ -638,11 +638,17 @@ static bool is_alive(struct f2fs_sb_info *sbi, struct f2fs_summary *sum,
 		return false;
 	}
 
-	max_addrs = IS_INODE(node_page) ? DEF_ADDRS_PER_INODE :
-						DEF_ADDRS_PER_BLOCK;
-	if (ofs_in_node >= max_addrs) {
-		f2fs_err(sbi, "Inconsistent ofs_in_node:%u in summary, ino:%u, nid:%u, max:%u",
-			ofs_in_node, dni->ino, dni->nid, max_addrs);
+	if (IS_INODE(node_page)) {
+		base = offset_in_addr(F2FS_INODE(node_page));
+		max_addrs = DEF_ADDRS_PER_INODE;
+	} else {
+		base = 0;
+		max_addrs = DEF_ADDRS_PER_BLOCK;
+	}
+
+	if (base + ofs_in_node >= max_addrs) {
+		f2fs_err(sbi, "Inconsistent blkaddr offset: base:%u, ofs_in_node:%u, max:%u, ino:%u, nid:%u",
+			base, ofs_in_node, max_addrs, dni->ino, dni->nid);
 		f2fs_put_page(node_page, 1);
 		return false;
 	}
diff --git a/fs/nilfs2/ioctl.c b/fs/nilfs2/ioctl.c
index 91b9dac6b2cc0..262783cd79cc3 100644
--- a/fs/nilfs2/ioctl.c
+++ b/fs/nilfs2/ioctl.c
@@ -1130,7 +1130,14 @@ static int nilfs_ioctl_set_alloc_range(struct inode *inode, void __user *argp)
 
 	minseg = range[0] + segbytes - 1;
 	do_div(minseg, segbytes);
+
+	if (range[1] < 4096)
+		goto out;
+
 	maxseg = NILFS_SB2_OFFSET_BYTES(range[1]);
+	if (maxseg < segbytes)
+		goto out;
+
 	do_div(maxseg, segbytes);
 	maxseg--;
 
diff --git a/fs/nilfs2/super.c b/fs/nilfs2/super.c
index 049768a22388e..b1015e97f37b7 100644
--- a/fs/nilfs2/super.c
+++ b/fs/nilfs2/super.c
@@ -403,6 +403,15 @@ int nilfs_resize_fs(struct super_block *sb, __u64 newsize)
 	if (newsize > devsize)
 		goto out;
 
+	/*
+	 * Prevent underflow in second superblock position calculation.
+	 * The exact minimum size check is done in nilfs_sufile_resize().
+	 */
+	if (newsize < 4096) {
+		ret = -ENOSPC;
+		goto out;
+	}
+
 	/*
 	 * Write lock is required to protect some functions depending
 	 * on the number of segments, the number of reserved segments,
diff --git a/fs/nilfs2/the_nilfs.c b/fs/nilfs2/the_nilfs.c
index 74ef3d313686f..6541e29a8b200 100644
--- a/fs/nilfs2/the_nilfs.c
+++ b/fs/nilfs2/the_nilfs.c
@@ -517,9 +517,15 @@ static int nilfs_load_super_block(struct the_nilfs *nilfs,
 {
 	struct nilfs_super_block **sbp = nilfs->ns_sbp;
 	struct buffer_head **sbh = nilfs->ns_sbh;
-	u64 sb2off = NILFS_SB2_OFFSET_BYTES(nilfs->ns_bdev->bd_inode->i_size);
+	u64 sb2off, devsize = nilfs->ns_bdev->bd_inode->i_size;
 	int valid[2], swp = 0;
 
+	if (devsize < NILFS_SEG_MIN_BLOCKS * NILFS_MIN_BLOCK_SIZE + 4096) {
+		nilfs_msg(sb, KERN_ERR, "device size too small");
+		return -EINVAL;
+	}
+	sb2off = NILFS_SB2_OFFSET_BYTES(devsize);
+
 	sbp[0] = nilfs_read_super_block(sb, NILFS_SB_OFFSET_BYTES, blocksize,
 					&sbh[0]);
 	sbp[1] = nilfs_read_super_block(sb, sb2off, blocksize, &sbh[1]);
diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index d9633e5a5ddd2..0bdfef023d345 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -723,9 +723,7 @@ static int smaps_hugetlb_range(pte_t *pte, unsigned long hmask,
 			page = device_private_entry_to_page(swpent);
 	}
 	if (page) {
-		int mapcount = page_mapcount(page);
-
-		if (mapcount >= 2)
+		if (page_mapcount(page) >= 2 || hugetlb_pmd_shared(pte))
 			mss->shared_hugetlb += huge_page_size(hstate_vma(vma));
 		else
 			mss->private_hugetlb += huge_page_size(hstate_vma(vma));
diff --git a/fs/squashfs/squashfs_fs.h b/fs/squashfs/squashfs_fs.h
index 236664d691419..ccfaf8c81958d 100644
--- a/fs/squashfs/squashfs_fs.h
+++ b/fs/squashfs/squashfs_fs.h
@@ -183,7 +183,7 @@ static inline int squashfs_block_size(__le32 raw)
 #define SQUASHFS_ID_BLOCK_BYTES(A)	(SQUASHFS_ID_BLOCKS(A) *\
 					sizeof(u64))
 /* xattr id lookup table defines */
-#define SQUASHFS_XATTR_BYTES(A)		((A) * sizeof(struct squashfs_xattr_id))
+#define SQUASHFS_XATTR_BYTES(A)		(((u64) (A)) * sizeof(struct squashfs_xattr_id))
 
 #define SQUASHFS_XATTR_BLOCK(A)		(SQUASHFS_XATTR_BYTES(A) / \
 					SQUASHFS_METADATA_SIZE)
diff --git a/fs/squashfs/squashfs_fs_sb.h b/fs/squashfs/squashfs_fs_sb.h
index 166e98806265b..8f9445e290e72 100644
--- a/fs/squashfs/squashfs_fs_sb.h
+++ b/fs/squashfs/squashfs_fs_sb.h
@@ -63,7 +63,7 @@ struct squashfs_sb_info {
 	long long				bytes_used;
 	unsigned int				inodes;
 	unsigned int				fragments;
-	int					xattr_ids;
+	unsigned int				xattr_ids;
 	unsigned int				ids;
 };
 #endif
diff --git a/fs/squashfs/xattr.h b/fs/squashfs/xattr.h
index d8a270d3ac4cb..f1a463d8bfa02 100644
--- a/fs/squashfs/xattr.h
+++ b/fs/squashfs/xattr.h
@@ -10,12 +10,12 @@
 
 #ifdef CONFIG_SQUASHFS_XATTR
 extern __le64 *squashfs_read_xattr_id_table(struct super_block *, u64,
-		u64 *, int *);
+		u64 *, unsigned int *);
 extern int squashfs_xattr_lookup(struct super_block *, unsigned int, int *,
 		unsigned int *, unsigned long long *);
 #else
 static inline __le64 *squashfs_read_xattr_id_table(struct super_block *sb,
-		u64 start, u64 *xattr_table_start, int *xattr_ids)
+		u64 start, u64 *xattr_table_start, unsigned int *xattr_ids)
 {
 	struct squashfs_xattr_id_table *id_table;
 
diff --git a/fs/squashfs/xattr_id.c b/fs/squashfs/xattr_id.c
index 087cab8c78f4e..c8469c656e0dc 100644
--- a/fs/squashfs/xattr_id.c
+++ b/fs/squashfs/xattr_id.c
@@ -56,7 +56,7 @@ int squashfs_xattr_lookup(struct super_block *sb, unsigned int index,
  * Read uncompressed xattr id lookup table indexes from disk into memory
  */
 __le64 *squashfs_read_xattr_id_table(struct super_block *sb, u64 table_start,
-		u64 *xattr_table_start, int *xattr_ids)
+		u64 *xattr_table_start, unsigned int *xattr_ids)
 {
 	struct squashfs_sb_info *msblk = sb->s_fs_info;
 	unsigned int len, indexes;
diff --git a/fs/xfs/libxfs/xfs_defer.c b/fs/xfs/libxfs/xfs_defer.c
index 8cc3faa624049..3a78a189ea018 100644
--- a/fs/xfs/libxfs/xfs_defer.c
+++ b/fs/xfs/libxfs/xfs_defer.c
@@ -16,6 +16,8 @@
 #include "xfs_inode.h"
 #include "xfs_inode_item.h"
 #include "xfs_trace.h"
+#include "xfs_icache.h"
+#include "xfs_log.h"
 
 /*
  * Deferred Operations in XFS
@@ -178,6 +180,19 @@ static const struct xfs_defer_op_type *defer_op_types[] = {
 	[XFS_DEFER_OPS_TYPE_AGFL_FREE]	= &xfs_agfl_free_defer_type,
 };
 
+static void
+xfs_defer_create_intent(
+	struct xfs_trans		*tp,
+	struct xfs_defer_pending	*dfp,
+	bool				sort)
+{
+	const struct xfs_defer_op_type	*ops = defer_op_types[dfp->dfp_type];
+
+	if (!dfp->dfp_intent)
+		dfp->dfp_intent = ops->create_intent(tp, &dfp->dfp_work,
+						     dfp->dfp_count, sort);
+}
+
 /*
  * For each pending item in the intake list, log its intent item and the
  * associated extents, then add the entire intake list to the end of
@@ -187,17 +202,11 @@ STATIC void
 xfs_defer_create_intents(
 	struct xfs_trans		*tp)
 {
-	struct list_head		*li;
 	struct xfs_defer_pending	*dfp;
-	const struct xfs_defer_op_type	*ops;
 
 	list_for_each_entry(dfp, &tp->t_dfops, dfp_list) {
-		ops = defer_op_types[dfp->dfp_type];
-		dfp->dfp_intent = ops->create_intent(tp, dfp->dfp_count);
 		trace_xfs_defer_create_intent(tp->t_mountp, dfp);
-		list_sort(tp->t_mountp, &dfp->dfp_work, ops->diff_items);
-		list_for_each(li, &dfp->dfp_work)
-			ops->log_item(tp, dfp->dfp_intent, li);
+		xfs_defer_create_intent(tp, dfp, true);
 	}
 }
 
@@ -353,6 +362,106 @@ xfs_defer_cancel_list(
 	}
 }
 
+/*
+ * Prevent a log intent item from pinning the tail of the log by logging a
+ * done item to release the intent item; and then log a new intent item.
+ * The caller should provide a fresh transaction and roll it after we're done.
+ */
+static int
+xfs_defer_relog(
+	struct xfs_trans		**tpp,
+	struct list_head		*dfops)
+{
+	struct xlog			*log = (*tpp)->t_mountp->m_log;
+	struct xfs_defer_pending	*dfp;
+	xfs_lsn_t			threshold_lsn = NULLCOMMITLSN;
+
+
+	ASSERT((*tpp)->t_flags & XFS_TRANS_PERM_LOG_RES);
+
+	list_for_each_entry(dfp, dfops, dfp_list) {
+		/*
+		 * If the log intent item for this deferred op is not a part of
+		 * the current log checkpoint, relog the intent item to keep
+		 * the log tail moving forward.  We're ok with this being racy
+		 * because an incorrect decision means we'll be a little slower
+		 * at pushing the tail.
+		 */
+		if (dfp->dfp_intent == NULL ||
+		    xfs_log_item_in_current_chkpt(dfp->dfp_intent))
+			continue;
+
+		/*
+		 * Figure out where we need the tail to be in order to maintain
+		 * the minimum required free space in the log.  Only sample
+		 * the log threshold once per call.
+		 */
+		if (threshold_lsn == NULLCOMMITLSN) {
+			threshold_lsn = xlog_grant_push_threshold(log, 0);
+			if (threshold_lsn == NULLCOMMITLSN)
+				break;
+		}
+		if (XFS_LSN_CMP(dfp->dfp_intent->li_lsn, threshold_lsn) >= 0)
+			continue;
+
+		trace_xfs_defer_relog_intent((*tpp)->t_mountp, dfp);
+		XFS_STATS_INC((*tpp)->t_mountp, defer_relog);
+		dfp->dfp_intent = xfs_trans_item_relog(dfp->dfp_intent, *tpp);
+	}
+
+	if ((*tpp)->t_flags & XFS_TRANS_DIRTY)
+		return xfs_defer_trans_roll(tpp);
+	return 0;
+}
+
+/*
+ * Log an intent-done item for the first pending intent, and finish the work
+ * items.
+ */
+static int
+xfs_defer_finish_one(
+	struct xfs_trans		*tp,
+	struct xfs_defer_pending	*dfp)
+{
+	const struct xfs_defer_op_type	*ops = defer_op_types[dfp->dfp_type];
+	void				*state = NULL;
+	struct list_head		*li, *n;
+	int				error;
+
+	trace_xfs_defer_pending_finish(tp->t_mountp, dfp);
+
+	dfp->dfp_done = ops->create_done(tp, dfp->dfp_intent, dfp->dfp_count);
+	list_for_each_safe(li, n, &dfp->dfp_work) {
+		list_del(li);
+		dfp->dfp_count--;
+		error = ops->finish_item(tp, li, dfp->dfp_done, &state);
+		if (error == -EAGAIN) {
+			/*
+			 * Caller wants a fresh transaction; put the work item
+			 * back on the list and log a new log intent item to
+			 * replace the old one.  See "Requesting a Fresh
+			 * Transaction while Finishing Deferred Work" above.
+			 */
+			list_add(li, &dfp->dfp_work);
+			dfp->dfp_count++;
+			dfp->dfp_done = NULL;
+			dfp->dfp_intent = NULL;
+			xfs_defer_create_intent(tp, dfp, false);
+		}
+
+		if (error)
+			goto out;
+	}
+
+	/* Done with the dfp, free it. */
+	list_del(&dfp->dfp_list);
+	kmem_free(dfp);
+out:
+	if (ops->finish_cleanup)
+		ops->finish_cleanup(tp, state, error);
+	return error;
+}
+
 /*
  * Finish all the pending work.  This involves logging intent items for
  * any work items that wandered in since the last transaction roll (if
@@ -366,11 +475,7 @@ xfs_defer_finish_noroll(
 	struct xfs_trans		**tp)
 {
 	struct xfs_defer_pending	*dfp;
-	struct list_head		*li;
-	struct list_head		*n;
-	void				*state;
 	int				error = 0;
-	const struct xfs_defer_op_type	*ops;
 	LIST_HEAD(dop_pending);
 
 	ASSERT((*tp)->t_flags & XFS_TRANS_PERM_LOG_RES);
@@ -379,87 +484,44 @@ xfs_defer_finish_noroll(
 
 	/* Until we run out of pending work to finish... */
 	while (!list_empty(&dop_pending) || !list_empty(&(*tp)->t_dfops)) {
-		/* log intents and pull in intake items */
-		xfs_defer_create_intents(*tp);
-		list_splice_tail_init(&(*tp)->t_dfops, &dop_pending);
-
 		/*
-		 * Roll the transaction.
+		 * Deferred items that are created in the process of finishing
+		 * other deferred work items should be queued at the head of
+		 * the pending list, which puts them ahead of the deferred work
+		 * that was created by the caller.  This keeps the number of
+		 * pending work items to a minimum, which decreases the amount
+		 * of time that any one intent item can stick around in memory,
+		 * pinning the log tail.
 		 */
+		xfs_defer_create_intents(*tp);
+		list_splice_init(&(*tp)->t_dfops, &dop_pending);
+
 		error = xfs_defer_trans_roll(tp);
 		if (error)
-			goto out;
+			goto out_shutdown;
+
+		/* Possibly relog intent items to keep the log moving. */
+		error = xfs_defer_relog(tp, &dop_pending);
+		if (error)
+			goto out_shutdown;
 
-		/* Log an intent-done item for the first pending item. */
 		dfp = list_first_entry(&dop_pending, struct xfs_defer_pending,
 				       dfp_list);
-		ops = defer_op_types[dfp->dfp_type];
-		trace_xfs_defer_pending_finish((*tp)->t_mountp, dfp);
-		dfp->dfp_done = ops->create_done(*tp, dfp->dfp_intent,
-				dfp->dfp_count);
-
-		/* Finish the work items. */
-		state = NULL;
-		list_for_each_safe(li, n, &dfp->dfp_work) {
-			list_del(li);
-			dfp->dfp_count--;
-			error = ops->finish_item(*tp, li, dfp->dfp_done,
-					&state);
-			if (error == -EAGAIN) {
-				/*
-				 * Caller wants a fresh transaction;
-				 * put the work item back on the list
-				 * and jump out.
-				 */
-				list_add(li, &dfp->dfp_work);
-				dfp->dfp_count++;
-				break;
-			} else if (error) {
-				/*
-				 * Clean up after ourselves and jump out.
-				 * xfs_defer_cancel will take care of freeing
-				 * all these lists and stuff.
-				 */
-				if (ops->finish_cleanup)
-					ops->finish_cleanup(*tp, state, error);
-				goto out;
-			}
-		}
-		if (error == -EAGAIN) {
-			/*
-			 * Caller wants a fresh transaction, so log a
-			 * new log intent item to replace the old one
-			 * and roll the transaction.  See "Requesting
-			 * a Fresh Transaction while Finishing
-			 * Deferred Work" above.
-			 */
-			dfp->dfp_intent = ops->create_intent(*tp,
-					dfp->dfp_count);
-			dfp->dfp_done = NULL;
-			list_for_each(li, &dfp->dfp_work)
-				ops->log_item(*tp, dfp->dfp_intent, li);
-		} else {
-			/* Done with the dfp, free it. */
-			list_del(&dfp->dfp_list);
-			kmem_free(dfp);
-		}
-
-		if (ops->finish_cleanup)
-			ops->finish_cleanup(*tp, state, error);
-	}
-
-out:
-	if (error) {
-		xfs_defer_trans_abort(*tp, &dop_pending);
-		xfs_force_shutdown((*tp)->t_mountp, SHUTDOWN_CORRUPT_INCORE);
-		trace_xfs_defer_finish_error(*tp, error);
-		xfs_defer_cancel_list((*tp)->t_mountp, &dop_pending);
-		xfs_defer_cancel(*tp);
-		return error;
+		error = xfs_defer_finish_one(*tp, dfp);
+		if (error && error != -EAGAIN)
+			goto out_shutdown;
 	}
 
 	trace_xfs_defer_finish_done(*tp, _RET_IP_);
 	return 0;
+
+out_shutdown:
+	xfs_defer_trans_abort(*tp, &dop_pending);
+	xfs_force_shutdown((*tp)->t_mountp, SHUTDOWN_CORRUPT_INCORE);
+	trace_xfs_defer_finish_error(*tp, error);
+	xfs_defer_cancel_list((*tp)->t_mountp, &dop_pending);
+	xfs_defer_cancel(*tp);
+	return error;
 }
 
 int
@@ -560,3 +622,137 @@ xfs_defer_move(
 
 	xfs_defer_reset(stp);
 }
+
+/*
+ * Prepare a chain of fresh deferred ops work items to be completed later.  Log
+ * recovery requires the ability to put off until later the actual finishing
+ * work so that it can process unfinished items recovered from the log in
+ * correct order.
+ *
+ * Create and log intent items for all the work that we're capturing so that we
+ * can be assured that the items will get replayed if the system goes down
+ * before log recovery gets a chance to finish the work it put off.  The entire
+ * deferred ops state is transferred to the capture structure and the
+ * transaction is then ready for the caller to commit it.  If there are no
+ * intent items to capture, this function returns NULL.
+ *
+ * If capture_ip is not NULL, the capture structure will obtain an extra
+ * reference to the inode.
+ */
+static struct xfs_defer_capture *
+xfs_defer_ops_capture(
+	struct xfs_trans		*tp,
+	struct xfs_inode		*capture_ip)
+{
+	struct xfs_defer_capture	*dfc;
+
+	if (list_empty(&tp->t_dfops))
+		return NULL;
+
+	/* Create an object to capture the defer ops. */
+	dfc = kmem_zalloc(sizeof(*dfc), KM_NOFS);
+	INIT_LIST_HEAD(&dfc->dfc_list);
+	INIT_LIST_HEAD(&dfc->dfc_dfops);
+
+	xfs_defer_create_intents(tp);
+
+	/* Move the dfops chain and transaction state to the capture struct. */
+	list_splice_init(&tp->t_dfops, &dfc->dfc_dfops);
+	dfc->dfc_tpflags = tp->t_flags & XFS_TRANS_LOWMODE;
+	tp->t_flags &= ~XFS_TRANS_LOWMODE;
+
+	/* Capture the remaining block reservations along with the dfops. */
+	dfc->dfc_blkres = tp->t_blk_res - tp->t_blk_res_used;
+	dfc->dfc_rtxres = tp->t_rtx_res - tp->t_rtx_res_used;
+
+	/* Preserve the log reservation size. */
+	dfc->dfc_logres = tp->t_log_res;
+
+	/*
+	 * Grab an extra reference to this inode and attach it to the capture
+	 * structure.
+	 */
+	if (capture_ip) {
+		ihold(VFS_I(capture_ip));
+		dfc->dfc_capture_ip = capture_ip;
+	}
+
+	return dfc;
+}
+
+/* Release all resources that we used to capture deferred ops. */
+void
+xfs_defer_ops_release(
+	struct xfs_mount		*mp,
+	struct xfs_defer_capture	*dfc)
+{
+	xfs_defer_cancel_list(mp, &dfc->dfc_dfops);
+	if (dfc->dfc_capture_ip)
+		xfs_irele(dfc->dfc_capture_ip);
+	kmem_free(dfc);
+}
+
+/*
+ * Capture any deferred ops and commit the transaction.  This is the last step
+ * needed to finish a log intent item that we recovered from the log.  If any
+ * of the deferred ops operate on an inode, the caller must pass in that inode
+ * so that the reference can be transferred to the capture structure.  The
+ * caller must hold ILOCK_EXCL on the inode, and must unlock it before calling
+ * xfs_defer_ops_continue.
+ */
+int
+xfs_defer_ops_capture_and_commit(
+	struct xfs_trans		*tp,
+	struct xfs_inode		*capture_ip,
+	struct list_head		*capture_list)
+{
+	struct xfs_mount		*mp = tp->t_mountp;
+	struct xfs_defer_capture	*dfc;
+	int				error;
+
+	ASSERT(!capture_ip || xfs_isilocked(capture_ip, XFS_ILOCK_EXCL));
+
+	/* If we don't capture anything, commit transaction and exit. */
+	dfc = xfs_defer_ops_capture(tp, capture_ip);
+	if (!dfc)
+		return xfs_trans_commit(tp);
+
+	/* Commit the transaction and add the capture structure to the list. */
+	error = xfs_trans_commit(tp);
+	if (error) {
+		xfs_defer_ops_release(mp, dfc);
+		return error;
+	}
+
+	list_add_tail(&dfc->dfc_list, capture_list);
+	return 0;
+}
+
+/*
+ * Attach a chain of captured deferred ops to a new transaction and free the
+ * capture structure.  If an inode was captured, it will be passed back to the
+ * caller with ILOCK_EXCL held and joined to the transaction with lockflags==0.
+ * The caller now owns the inode reference.
+ */
+void
+xfs_defer_ops_continue(
+	struct xfs_defer_capture	*dfc,
+	struct xfs_trans		*tp,
+	struct xfs_inode		**captured_ipp)
+{
+	ASSERT(tp->t_flags & XFS_TRANS_PERM_LOG_RES);
+	ASSERT(!(tp->t_flags & XFS_TRANS_DIRTY));
+
+	/* Lock and join the captured inode to the new transaction. */
+	if (dfc->dfc_capture_ip) {
+		xfs_ilock(dfc->dfc_capture_ip, XFS_ILOCK_EXCL);
+		xfs_trans_ijoin(tp, dfc->dfc_capture_ip, 0);
+	}
+	*captured_ipp = dfc->dfc_capture_ip;
+
+	/* Move captured dfops chain and state to the transaction. */
+	list_splice_init(&dfc->dfc_dfops, &tp->t_dfops);
+	tp->t_flags |= dfc->dfc_tpflags;
+
+	kmem_free(dfc);
+}
diff --git a/fs/xfs/libxfs/xfs_defer.h b/fs/xfs/libxfs/xfs_defer.h
index 7c28d7608ac62..4c3248d47a350 100644
--- a/fs/xfs/libxfs/xfs_defer.h
+++ b/fs/xfs/libxfs/xfs_defer.h
@@ -7,6 +7,7 @@
 #define	__XFS_DEFER_H__
 
 struct xfs_defer_op_type;
+struct xfs_defer_capture;
 
 /*
  * Header for deferred operation list.
@@ -28,7 +29,7 @@ enum xfs_defer_ops_type {
 struct xfs_defer_pending {
 	struct list_head		dfp_list;	/* pending items */
 	struct list_head		dfp_work;	/* work items */
-	void				*dfp_intent;	/* log intent item */
+	struct xfs_log_item		*dfp_intent;	/* log intent item */
 	void				*dfp_done;	/* log done item */
 	unsigned int			dfp_count;	/* # extent items */
 	enum xfs_defer_ops_type		dfp_type;
@@ -43,15 +44,15 @@ void xfs_defer_move(struct xfs_trans *dtp, struct xfs_trans *stp);
 
 /* Description of a deferred type. */
 struct xfs_defer_op_type {
-	void (*abort_intent)(void *);
-	void *(*create_done)(struct xfs_trans *, void *, unsigned int);
+	struct xfs_log_item *(*create_intent)(struct xfs_trans *tp,
+			struct list_head *items, unsigned int count, bool sort);
+	void (*abort_intent)(struct xfs_log_item *intent);
+	void *(*create_done)(struct xfs_trans *tp, struct xfs_log_item *intent,
+			unsigned int count);
 	int (*finish_item)(struct xfs_trans *, struct list_head *, void *,
 			void **);
 	void (*finish_cleanup)(struct xfs_trans *, void *, int);
 	void (*cancel_item)(struct list_head *);
-	int (*diff_items)(void *, struct list_head *, struct list_head *);
-	void *(*create_intent)(struct xfs_trans *, uint);
-	void (*log_item)(struct xfs_trans *, void *, struct list_head *);
 	unsigned int		max_items;
 };
 
@@ -61,4 +62,40 @@ extern const struct xfs_defer_op_type xfs_rmap_update_defer_type;
 extern const struct xfs_defer_op_type xfs_extent_free_defer_type;
 extern const struct xfs_defer_op_type xfs_agfl_free_defer_type;
 
+/*
+ * This structure enables a dfops user to detach the chain of deferred
+ * operations from a transaction so that they can be continued later.
+ */
+struct xfs_defer_capture {
+	/* List of other capture structures. */
+	struct list_head	dfc_list;
+
+	/* Deferred ops state saved from the transaction. */
+	struct list_head	dfc_dfops;
+	unsigned int		dfc_tpflags;
+
+	/* Block reservations for the data and rt devices. */
+	unsigned int		dfc_blkres;
+	unsigned int		dfc_rtxres;
+
+	/* Log reservation saved from the transaction. */
+	unsigned int		dfc_logres;
+
+	/*
+	 * An inode reference that must be maintained to complete the deferred
+	 * work.
+	 */
+	struct xfs_inode	*dfc_capture_ip;
+};
+
+/*
+ * Functions to capture a chain of deferred operations and continue them later.
+ * This doesn't normally happen except log recovery.
+ */
+int xfs_defer_ops_capture_and_commit(struct xfs_trans *tp,
+		struct xfs_inode *capture_ip, struct list_head *capture_list);
+void xfs_defer_ops_continue(struct xfs_defer_capture *d, struct xfs_trans *tp,
+		struct xfs_inode **captured_ipp);
+void xfs_defer_ops_release(struct xfs_mount *mp, struct xfs_defer_capture *d);
+
 #endif /* __XFS_DEFER_H__ */
diff --git a/fs/xfs/libxfs/xfs_inode_fork.c b/fs/xfs/libxfs/xfs_inode_fork.c
index 15d6f947620ff..93357072b19da 100644
--- a/fs/xfs/libxfs/xfs_inode_fork.c
+++ b/fs/xfs/libxfs/xfs_inode_fork.c
@@ -592,7 +592,7 @@ void
 xfs_iflush_fork(
 	xfs_inode_t		*ip,
 	xfs_dinode_t		*dip,
-	xfs_inode_log_item_t	*iip,
+	struct xfs_inode_log_item *iip,
 	int			whichfork)
 {
 	char			*cp;
diff --git a/fs/xfs/libxfs/xfs_trans_inode.c b/fs/xfs/libxfs/xfs_trans_inode.c
index 0ba7368b9a5f0..1d0e78e0099d9 100644
--- a/fs/xfs/libxfs/xfs_trans_inode.c
+++ b/fs/xfs/libxfs/xfs_trans_inode.c
@@ -27,7 +27,7 @@ xfs_trans_ijoin(
 	struct xfs_inode	*ip,
 	uint			lock_flags)
 {
-	xfs_inode_log_item_t	*iip;
+	struct xfs_inode_log_item *iip;
 
 	ASSERT(xfs_isilocked(ip, XFS_ILOCK_EXCL));
 	if (ip->i_itemp == NULL)
diff --git a/fs/xfs/xfs_aops.c b/fs/xfs/xfs_aops.c
index f16d5f196c6b1..5d9f8e4c4cdee 100644
--- a/fs/xfs/xfs_aops.c
+++ b/fs/xfs/xfs_aops.c
@@ -495,7 +495,7 @@ xfs_map_blocks(
 	ssize_t			count = i_blocksize(inode);
 	xfs_fileoff_t		offset_fsb = XFS_B_TO_FSBT(mp, offset);
 	xfs_fileoff_t		end_fsb = XFS_B_TO_FSB(mp, offset + count);
-	xfs_fileoff_t		cow_fsb = NULLFILEOFF;
+	xfs_fileoff_t		cow_fsb;
 	struct xfs_bmbt_irec	imap;
 	struct xfs_iext_cursor	icur;
 	int			retries = 0;
@@ -529,6 +529,8 @@ xfs_map_blocks(
 	 * landed in a hole and we skip the block.
 	 */
 retry:
+	cow_fsb = NULLFILEOFF;
+	wpc->fork = XFS_DATA_FORK;
 	xfs_ilock(ip, XFS_ILOCK_SHARED);
 	ASSERT(ip->i_d.di_format != XFS_DINODE_FMT_BTREE ||
 	       (ip->i_df.if_flags & XFS_IFEXTENTS));
diff --git a/fs/xfs/xfs_bmap_item.c b/fs/xfs/xfs_bmap_item.c
index 243e5e0f82a30..7b0c4d9679d96 100644
--- a/fs/xfs/xfs_bmap_item.c
+++ b/fs/xfs/xfs_bmap_item.c
@@ -22,6 +22,7 @@
 #include "xfs_bmap_btree.h"
 #include "xfs_trans_space.h"
 #include "xfs_error.h"
+#include "xfs_quota.h"
 
 kmem_zone_t	*xfs_bui_zone;
 kmem_zone_t	*xfs_bud_zone;
@@ -124,34 +125,6 @@ xfs_bui_item_release(
 	xfs_bui_release(BUI_ITEM(lip));
 }
 
-static const struct xfs_item_ops xfs_bui_item_ops = {
-	.iop_size	= xfs_bui_item_size,
-	.iop_format	= xfs_bui_item_format,
-	.iop_unpin	= xfs_bui_item_unpin,
-	.iop_release	= xfs_bui_item_release,
-};
-
-/*
- * Allocate and initialize an bui item with the given number of extents.
- */
-struct xfs_bui_log_item *
-xfs_bui_init(
-	struct xfs_mount		*mp)
-
-{
-	struct xfs_bui_log_item		*buip;
-
-	buip = kmem_zone_zalloc(xfs_bui_zone, 0);
-
-	xfs_log_item_init(mp, &buip->bui_item, XFS_LI_BUI, &xfs_bui_item_ops);
-	buip->bui_format.bui_nextents = XFS_BUI_MAX_FAST_EXTENTS;
-	buip->bui_format.bui_id = (uintptr_t)(void *)buip;
-	atomic_set(&buip->bui_next_extent, 0);
-	atomic_set(&buip->bui_refcount, 2);
-
-	return buip;
-}
-
 static inline struct xfs_bud_log_item *BUD_ITEM(struct xfs_log_item *lip)
 {
 	return container_of(lip, struct xfs_bud_log_item, bud_item);
@@ -278,27 +251,6 @@ xfs_bmap_update_diff_items(
 	return ba->bi_owner->i_ino - bb->bi_owner->i_ino;
 }
 
-/* Get an BUI. */
-STATIC void *
-xfs_bmap_update_create_intent(
-	struct xfs_trans		*tp,
-	unsigned int			count)
-{
-	struct xfs_bui_log_item		*buip;
-
-	ASSERT(count == XFS_BUI_MAX_FAST_EXTENTS);
-	ASSERT(tp != NULL);
-
-	buip = xfs_bui_init(tp->t_mountp);
-	ASSERT(buip != NULL);
-
-	/*
-	 * Get a log_item_desc to point at the new item.
-	 */
-	xfs_trans_add_item(tp, &buip->bui_item);
-	return buip;
-}
-
 /* Set the map extent flags for this mapping. */
 static void
 xfs_trans_set_bmap_flags(
@@ -326,16 +278,12 @@ xfs_trans_set_bmap_flags(
 STATIC void
 xfs_bmap_update_log_item(
 	struct xfs_trans		*tp,
-	void				*intent,
-	struct list_head		*item)
+	struct xfs_bui_log_item		*buip,
+	struct xfs_bmap_intent		*bmap)
 {
-	struct xfs_bui_log_item		*buip = intent;
-	struct xfs_bmap_intent		*bmap;
 	uint				next_extent;
 	struct xfs_map_extent		*map;
 
-	bmap = container_of(item, struct xfs_bmap_intent, bi_list);
-
 	tp->t_flags |= XFS_TRANS_DIRTY;
 	set_bit(XFS_LI_DIRTY, &buip->bui_item.li_flags);
 
@@ -355,14 +303,35 @@ xfs_bmap_update_log_item(
 			bmap->bi_bmap.br_state);
 }
 
+static struct xfs_log_item *
+xfs_bmap_update_create_intent(
+	struct xfs_trans		*tp,
+	struct list_head		*items,
+	unsigned int			count,
+	bool				sort)
+{
+	struct xfs_mount		*mp = tp->t_mountp;
+	struct xfs_bui_log_item		*buip = xfs_bui_init(mp);
+	struct xfs_bmap_intent		*bmap;
+
+	ASSERT(count == XFS_BUI_MAX_FAST_EXTENTS);
+
+	xfs_trans_add_item(tp, &buip->bui_item);
+	if (sort)
+		list_sort(mp, items, xfs_bmap_update_diff_items);
+	list_for_each_entry(bmap, items, bi_list)
+		xfs_bmap_update_log_item(tp, buip, bmap);
+	return &buip->bui_item;
+}
+
 /* Get an BUD so we can process all the deferred rmap updates. */
 STATIC void *
 xfs_bmap_update_create_done(
 	struct xfs_trans		*tp,
-	void				*intent,
+	struct xfs_log_item		*intent,
 	unsigned int			count)
 {
-	return xfs_trans_get_bud(tp, intent);
+	return xfs_trans_get_bud(tp, BUI_ITEM(intent));
 }
 
 /* Process a deferred rmap update. */
@@ -398,9 +367,9 @@ xfs_bmap_update_finish_item(
 /* Abort all pending BUIs. */
 STATIC void
 xfs_bmap_update_abort_intent(
-	void				*intent)
+	struct xfs_log_item		*intent)
 {
-	xfs_bui_release(intent);
+	xfs_bui_release(BUI_ITEM(intent));
 }
 
 /* Cancel a deferred rmap update. */
@@ -416,10 +385,8 @@ xfs_bmap_update_cancel_item(
 
 const struct xfs_defer_op_type xfs_bmap_update_defer_type = {
 	.max_items	= XFS_BUI_MAX_FAST_EXTENTS,
-	.diff_items	= xfs_bmap_update_diff_items,
 	.create_intent	= xfs_bmap_update_create_intent,
 	.abort_intent	= xfs_bmap_update_abort_intent,
-	.log_item	= xfs_bmap_update_log_item,
 	.create_done	= xfs_bmap_update_create_done,
 	.finish_item	= xfs_bmap_update_finish_item,
 	.cancel_item	= xfs_bmap_update_cancel_item,
@@ -431,8 +398,8 @@ const struct xfs_defer_op_type xfs_bmap_update_defer_type = {
  */
 int
 xfs_bui_recover(
-	struct xfs_trans		*parent_tp,
-	struct xfs_bui_log_item		*buip)
+	struct xfs_bui_log_item		*buip,
+	struct list_head		*capture_list)
 {
 	int				error = 0;
 	unsigned int			bui_type;
@@ -440,15 +407,13 @@ xfs_bui_recover(
 	xfs_fsblock_t			startblock_fsb;
 	xfs_fsblock_t			inode_fsb;
 	xfs_filblks_t			count;
-	bool				op_ok;
 	struct xfs_bud_log_item		*budp;
-	enum xfs_bmap_intent_type	type;
 	int				whichfork;
 	xfs_exntst_t			state;
 	struct xfs_trans		*tp;
 	struct xfs_inode		*ip = NULL;
 	struct xfs_bmbt_irec		irec;
-	struct xfs_mount		*mp = parent_tp->t_mountp;
+	struct xfs_mount		*mp = buip->bui_item.li_mountp;
 
 	ASSERT(!test_bit(XFS_BUI_RECOVERED, &buip->bui_flags));
 
@@ -468,16 +433,19 @@ xfs_bui_recover(
 			   XFS_FSB_TO_DADDR(mp, bmap->me_startblock));
 	inode_fsb = XFS_BB_TO_FSB(mp, XFS_FSB_TO_DADDR(mp,
 			XFS_INO_TO_FSB(mp, bmap->me_owner)));
-	switch (bmap->me_flags & XFS_BMAP_EXTENT_TYPE_MASK) {
+	state = (bmap->me_flags & XFS_BMAP_EXTENT_UNWRITTEN) ?
+			XFS_EXT_UNWRITTEN : XFS_EXT_NORM;
+	whichfork = (bmap->me_flags & XFS_BMAP_EXTENT_ATTR_FORK) ?
+			XFS_ATTR_FORK : XFS_DATA_FORK;
+	bui_type = bmap->me_flags & XFS_BMAP_EXTENT_TYPE_MASK;
+	switch (bui_type) {
 	case XFS_BMAP_MAP:
 	case XFS_BMAP_UNMAP:
-		op_ok = true;
 		break;
 	default:
-		op_ok = false;
-		break;
+		return -EFSCORRUPTED;
 	}
-	if (!op_ok || startblock_fsb == 0 ||
+	if (startblock_fsb == 0 ||
 	    bmap->me_len == 0 ||
 	    inode_fsb == 0 ||
 	    startblock_fsb >= mp->m_sb.sb_dblocks ||
@@ -493,52 +461,37 @@ xfs_bui_recover(
 		return -EFSCORRUPTED;
 	}
 
-	error = xfs_trans_alloc(mp, &M_RES(mp)->tr_itruncate,
-			XFS_EXTENTADD_SPACE_RES(mp, XFS_DATA_FORK), 0, 0, &tp);
+	/* Grab the inode. */
+	error = xfs_iget(mp, NULL, bmap->me_owner, 0, 0, &ip);
 	if (error)
 		return error;
-	/*
-	 * Recovery stashes all deferred ops during intent processing and
-	 * finishes them on completion. Transfer current dfops state to this
-	 * transaction and transfer the result back before we return.
-	 */
-	xfs_defer_move(tp, parent_tp);
-	budp = xfs_trans_get_bud(tp, buip);
 
-	/* Grab the inode. */
-	error = xfs_iget(mp, tp, bmap->me_owner, 0, XFS_ILOCK_EXCL, &ip);
+	error = xfs_qm_dqattach(ip);
 	if (error)
-		goto err_inode;
+		goto err_rele;
 
 	if (VFS_I(ip)->i_nlink == 0)
 		xfs_iflags_set(ip, XFS_IRECOVERY);
 
-	/* Process deferred bmap item. */
-	state = (bmap->me_flags & XFS_BMAP_EXTENT_UNWRITTEN) ?
-			XFS_EXT_UNWRITTEN : XFS_EXT_NORM;
-	whichfork = (bmap->me_flags & XFS_BMAP_EXTENT_ATTR_FORK) ?
-			XFS_ATTR_FORK : XFS_DATA_FORK;
-	bui_type = bmap->me_flags & XFS_BMAP_EXTENT_TYPE_MASK;
-	switch (bui_type) {
-	case XFS_BMAP_MAP:
-	case XFS_BMAP_UNMAP:
-		type = bui_type;
-		break;
-	default:
-		XFS_ERROR_REPORT(__func__, XFS_ERRLEVEL_LOW, mp);
-		error = -EFSCORRUPTED;
-		goto err_inode;
-	}
+	/* Allocate transaction and do the work. */
+	error = xfs_trans_alloc(mp, &M_RES(mp)->tr_itruncate,
+			XFS_EXTENTADD_SPACE_RES(mp, XFS_DATA_FORK), 0, 0, &tp);
+	if (error)
+		goto err_rele;
+
+	budp = xfs_trans_get_bud(tp, buip);
+	xfs_ilock(ip, XFS_ILOCK_EXCL);
 	xfs_trans_ijoin(tp, ip, 0);
 
 	count = bmap->me_len;
-	error = xfs_trans_log_finish_bmap_update(tp, budp, type, ip, whichfork,
-			bmap->me_startoff, bmap->me_startblock, &count, state);
+	error = xfs_trans_log_finish_bmap_update(tp, budp, bui_type, ip,
+			whichfork, bmap->me_startoff, bmap->me_startblock,
+			&count, state);
 	if (error)
-		goto err_inode;
+		goto err_cancel;
 
 	if (count > 0) {
-		ASSERT(type == XFS_BMAP_UNMAP);
+		ASSERT(bui_type == XFS_BMAP_UNMAP);
 		irec.br_startblock = bmap->me_startblock;
 		irec.br_blockcount = count;
 		irec.br_startoff = bmap->me_startoff;
@@ -547,19 +500,78 @@ xfs_bui_recover(
 	}
 
 	set_bit(XFS_BUI_RECOVERED, &buip->bui_flags);
-	xfs_defer_move(parent_tp, tp);
-	error = xfs_trans_commit(tp);
+	/*
+	 * Commit transaction, which frees the transaction and saves the inode
+	 * for later replay activities.
+	 */
+	error = xfs_defer_ops_capture_and_commit(tp, ip, capture_list);
+	if (error)
+		goto err_unlock;
+
 	xfs_iunlock(ip, XFS_ILOCK_EXCL);
 	xfs_irele(ip);
+	return 0;
 
-	return error;
-
-err_inode:
-	xfs_defer_move(parent_tp, tp);
+err_cancel:
 	xfs_trans_cancel(tp);
-	if (ip) {
-		xfs_iunlock(ip, XFS_ILOCK_EXCL);
-		xfs_irele(ip);
-	}
+err_unlock:
+	xfs_iunlock(ip, XFS_ILOCK_EXCL);
+err_rele:
+	xfs_irele(ip);
 	return error;
 }
+
+/* Relog an intent item to push the log tail forward. */
+static struct xfs_log_item *
+xfs_bui_item_relog(
+	struct xfs_log_item		*intent,
+	struct xfs_trans		*tp)
+{
+	struct xfs_bud_log_item		*budp;
+	struct xfs_bui_log_item		*buip;
+	struct xfs_map_extent		*extp;
+	unsigned int			count;
+
+	count = BUI_ITEM(intent)->bui_format.bui_nextents;
+	extp = BUI_ITEM(intent)->bui_format.bui_extents;
+
+	tp->t_flags |= XFS_TRANS_DIRTY;
+	budp = xfs_trans_get_bud(tp, BUI_ITEM(intent));
+	set_bit(XFS_LI_DIRTY, &budp->bud_item.li_flags);
+
+	buip = xfs_bui_init(tp->t_mountp);
+	memcpy(buip->bui_format.bui_extents, extp, count * sizeof(*extp));
+	atomic_set(&buip->bui_next_extent, count);
+	xfs_trans_add_item(tp, &buip->bui_item);
+	set_bit(XFS_LI_DIRTY, &buip->bui_item.li_flags);
+	return &buip->bui_item;
+}
+
+static const struct xfs_item_ops xfs_bui_item_ops = {
+	.iop_size	= xfs_bui_item_size,
+	.iop_format	= xfs_bui_item_format,
+	.iop_unpin	= xfs_bui_item_unpin,
+	.iop_release	= xfs_bui_item_release,
+	.iop_relog	= xfs_bui_item_relog,
+};
+
+/*
+ * Allocate and initialize an bui item with the given number of extents.
+ */
+struct xfs_bui_log_item *
+xfs_bui_init(
+	struct xfs_mount		*mp)
+
+{
+	struct xfs_bui_log_item		*buip;
+
+	buip = kmem_zone_zalloc(xfs_bui_zone, 0);
+
+	xfs_log_item_init(mp, &buip->bui_item, XFS_LI_BUI, &xfs_bui_item_ops);
+	buip->bui_format.bui_nextents = XFS_BUI_MAX_FAST_EXTENTS;
+	buip->bui_format.bui_id = (uintptr_t)(void *)buip;
+	atomic_set(&buip->bui_next_extent, 0);
+	atomic_set(&buip->bui_refcount, 2);
+
+	return buip;
+}
diff --git a/fs/xfs/xfs_bmap_item.h b/fs/xfs/xfs_bmap_item.h
index ad479cc73de84..a95e99c269790 100644
--- a/fs/xfs/xfs_bmap_item.h
+++ b/fs/xfs/xfs_bmap_item.h
@@ -77,6 +77,7 @@ extern struct kmem_zone	*xfs_bud_zone;
 struct xfs_bui_log_item *xfs_bui_init(struct xfs_mount *);
 void xfs_bui_item_free(struct xfs_bui_log_item *);
 void xfs_bui_release(struct xfs_bui_log_item *);
-int xfs_bui_recover(struct xfs_trans *parent_tp, struct xfs_bui_log_item *buip);
+int xfs_bui_recover(struct xfs_bui_log_item *buip,
+		struct list_head *capture_list);
 
 #endif	/* __XFS_BMAP_ITEM_H__ */
diff --git a/fs/xfs/xfs_extfree_item.c b/fs/xfs/xfs_extfree_item.c
index a05a1074e8f81..de3cdce892fda 100644
--- a/fs/xfs/xfs_extfree_item.c
+++ b/fs/xfs/xfs_extfree_item.c
@@ -139,44 +139,6 @@ xfs_efi_item_release(
 	xfs_efi_release(EFI_ITEM(lip));
 }
 
-static const struct xfs_item_ops xfs_efi_item_ops = {
-	.iop_size	= xfs_efi_item_size,
-	.iop_format	= xfs_efi_item_format,
-	.iop_unpin	= xfs_efi_item_unpin,
-	.iop_release	= xfs_efi_item_release,
-};
-
-
-/*
- * Allocate and initialize an efi item with the given number of extents.
- */
-struct xfs_efi_log_item *
-xfs_efi_init(
-	struct xfs_mount	*mp,
-	uint			nextents)
-
-{
-	struct xfs_efi_log_item	*efip;
-	uint			size;
-
-	ASSERT(nextents > 0);
-	if (nextents > XFS_EFI_MAX_FAST_EXTENTS) {
-		size = (uint)(sizeof(xfs_efi_log_item_t) +
-			((nextents - 1) * sizeof(xfs_extent_t)));
-		efip = kmem_zalloc(size, 0);
-	} else {
-		efip = kmem_zone_zalloc(xfs_efi_zone, 0);
-	}
-
-	xfs_log_item_init(mp, &efip->efi_item, XFS_LI_EFI, &xfs_efi_item_ops);
-	efip->efi_format.efi_nextents = nextents;
-	efip->efi_format.efi_id = (uintptr_t)(void *)efip;
-	atomic_set(&efip->efi_next_extent, 0);
-	atomic_set(&efip->efi_refcount, 2);
-
-	return efip;
-}
-
 /*
  * Copy an EFI format buffer from the given buf, and into the destination
  * EFI format structure.
@@ -412,41 +374,16 @@ xfs_extent_free_diff_items(
 		XFS_FSB_TO_AGNO(mp, rb->xefi_startblock);
 }
 
-/* Get an EFI. */
-STATIC void *
-xfs_extent_free_create_intent(
-	struct xfs_trans		*tp,
-	unsigned int			count)
-{
-	struct xfs_efi_log_item		*efip;
-
-	ASSERT(tp != NULL);
-	ASSERT(count > 0);
-
-	efip = xfs_efi_init(tp->t_mountp, count);
-	ASSERT(efip != NULL);
-
-	/*
-	 * Get a log_item_desc to point at the new item.
-	 */
-	xfs_trans_add_item(tp, &efip->efi_item);
-	return efip;
-}
-
 /* Log a free extent to the intent item. */
 STATIC void
 xfs_extent_free_log_item(
 	struct xfs_trans		*tp,
-	void				*intent,
-	struct list_head		*item)
+	struct xfs_efi_log_item		*efip,
+	struct xfs_extent_free_item	*free)
 {
-	struct xfs_efi_log_item		*efip = intent;
-	struct xfs_extent_free_item	*free;
 	uint				next_extent;
 	struct xfs_extent		*extp;
 
-	free = container_of(item, struct xfs_extent_free_item, xefi_list);
-
 	tp->t_flags |= XFS_TRANS_DIRTY;
 	set_bit(XFS_LI_DIRTY, &efip->efi_item.li_flags);
 
@@ -462,14 +399,35 @@ xfs_extent_free_log_item(
 	extp->ext_len = free->xefi_blockcount;
 }
 
+static struct xfs_log_item *
+xfs_extent_free_create_intent(
+	struct xfs_trans		*tp,
+	struct list_head		*items,
+	unsigned int			count,
+	bool				sort)
+{
+	struct xfs_mount		*mp = tp->t_mountp;
+	struct xfs_efi_log_item		*efip = xfs_efi_init(mp, count);
+	struct xfs_extent_free_item	*free;
+
+	ASSERT(count > 0);
+
+	xfs_trans_add_item(tp, &efip->efi_item);
+	if (sort)
+		list_sort(mp, items, xfs_extent_free_diff_items);
+	list_for_each_entry(free, items, xefi_list)
+		xfs_extent_free_log_item(tp, efip, free);
+	return &efip->efi_item;
+}
+
 /* Get an EFD so we can process all the free extents. */
 STATIC void *
 xfs_extent_free_create_done(
 	struct xfs_trans		*tp,
-	void				*intent,
+	struct xfs_log_item		*intent,
 	unsigned int			count)
 {
-	return xfs_trans_get_efd(tp, intent, count);
+	return xfs_trans_get_efd(tp, EFI_ITEM(intent), count);
 }
 
 /* Process a free extent. */
@@ -495,9 +453,9 @@ xfs_extent_free_finish_item(
 /* Abort all pending EFIs. */
 STATIC void
 xfs_extent_free_abort_intent(
-	void				*intent)
+	struct xfs_log_item		*intent)
 {
-	xfs_efi_release(intent);
+	xfs_efi_release(EFI_ITEM(intent));
 }
 
 /* Cancel a free extent. */
@@ -513,10 +471,8 @@ xfs_extent_free_cancel_item(
 
 const struct xfs_defer_op_type xfs_extent_free_defer_type = {
 	.max_items	= XFS_EFI_MAX_FAST_EXTENTS,
-	.diff_items	= xfs_extent_free_diff_items,
 	.create_intent	= xfs_extent_free_create_intent,
 	.abort_intent	= xfs_extent_free_abort_intent,
-	.log_item	= xfs_extent_free_log_item,
 	.create_done	= xfs_extent_free_create_done,
 	.finish_item	= xfs_extent_free_finish_item,
 	.cancel_item	= xfs_extent_free_cancel_item,
@@ -579,10 +535,8 @@ xfs_agfl_free_finish_item(
 /* sub-type with special handling for AGFL deferred frees */
 const struct xfs_defer_op_type xfs_agfl_free_defer_type = {
 	.max_items	= XFS_EFI_MAX_FAST_EXTENTS,
-	.diff_items	= xfs_extent_free_diff_items,
 	.create_intent	= xfs_extent_free_create_intent,
 	.abort_intent	= xfs_extent_free_abort_intent,
-	.log_item	= xfs_extent_free_log_item,
 	.create_done	= xfs_extent_free_create_done,
 	.finish_item	= xfs_agfl_free_finish_item,
 	.cancel_item	= xfs_extent_free_cancel_item,
@@ -594,9 +548,10 @@ const struct xfs_defer_op_type xfs_agfl_free_defer_type = {
  */
 int
 xfs_efi_recover(
-	struct xfs_mount	*mp,
-	struct xfs_efi_log_item	*efip)
+	struct xfs_efi_log_item	*efip,
+	struct list_head	*capture_list)
 {
+	struct xfs_mount	*mp = efip->efi_item.li_mountp;
 	struct xfs_efd_log_item	*efdp;
 	struct xfs_trans	*tp;
 	int			i;
@@ -645,10 +600,76 @@ xfs_efi_recover(
 	}
 
 	set_bit(XFS_EFI_RECOVERED, &efip->efi_flags);
-	error = xfs_trans_commit(tp);
-	return error;
+
+	return xfs_defer_ops_capture_and_commit(tp, NULL, capture_list);
 
 abort_error:
 	xfs_trans_cancel(tp);
 	return error;
 }
+
+/* Relog an intent item to push the log tail forward. */
+static struct xfs_log_item *
+xfs_efi_item_relog(
+	struct xfs_log_item		*intent,
+	struct xfs_trans		*tp)
+{
+	struct xfs_efd_log_item		*efdp;
+	struct xfs_efi_log_item		*efip;
+	struct xfs_extent		*extp;
+	unsigned int			count;
+
+	count = EFI_ITEM(intent)->efi_format.efi_nextents;
+	extp = EFI_ITEM(intent)->efi_format.efi_extents;
+
+	tp->t_flags |= XFS_TRANS_DIRTY;
+	efdp = xfs_trans_get_efd(tp, EFI_ITEM(intent), count);
+	efdp->efd_next_extent = count;
+	memcpy(efdp->efd_format.efd_extents, extp, count * sizeof(*extp));
+	set_bit(XFS_LI_DIRTY, &efdp->efd_item.li_flags);
+
+	efip = xfs_efi_init(tp->t_mountp, count);
+	memcpy(efip->efi_format.efi_extents, extp, count * sizeof(*extp));
+	atomic_set(&efip->efi_next_extent, count);
+	xfs_trans_add_item(tp, &efip->efi_item);
+	set_bit(XFS_LI_DIRTY, &efip->efi_item.li_flags);
+	return &efip->efi_item;
+}
+
+static const struct xfs_item_ops xfs_efi_item_ops = {
+	.iop_size	= xfs_efi_item_size,
+	.iop_format	= xfs_efi_item_format,
+	.iop_unpin	= xfs_efi_item_unpin,
+	.iop_release	= xfs_efi_item_release,
+	.iop_relog	= xfs_efi_item_relog,
+};
+
+/*
+ * Allocate and initialize an efi item with the given number of extents.
+ */
+struct xfs_efi_log_item *
+xfs_efi_init(
+	struct xfs_mount	*mp,
+	uint			nextents)
+
+{
+	struct xfs_efi_log_item	*efip;
+	uint			size;
+
+	ASSERT(nextents > 0);
+	if (nextents > XFS_EFI_MAX_FAST_EXTENTS) {
+		size = (uint)(sizeof(struct xfs_efi_log_item) +
+			((nextents - 1) * sizeof(xfs_extent_t)));
+		efip = kmem_zalloc(size, 0);
+	} else {
+		efip = kmem_zone_zalloc(xfs_efi_zone, 0);
+	}
+
+	xfs_log_item_init(mp, &efip->efi_item, XFS_LI_EFI, &xfs_efi_item_ops);
+	efip->efi_format.efi_nextents = nextents;
+	efip->efi_format.efi_id = (uintptr_t)(void *)efip;
+	atomic_set(&efip->efi_next_extent, 0);
+	atomic_set(&efip->efi_refcount, 2);
+
+	return efip;
+}
diff --git a/fs/xfs/xfs_extfree_item.h b/fs/xfs/xfs_extfree_item.h
index 16aaab06d4ecc..883f0f1d8989d 100644
--- a/fs/xfs/xfs_extfree_item.h
+++ b/fs/xfs/xfs_extfree_item.h
@@ -50,25 +50,25 @@ struct kmem_zone;
  * of commit failure or log I/O errors. Note that the EFD is not inserted in the
  * AIL, so at this point both the EFI and EFD are freed.
  */
-typedef struct xfs_efi_log_item {
+struct xfs_efi_log_item {
 	struct xfs_log_item	efi_item;
 	atomic_t		efi_refcount;
 	atomic_t		efi_next_extent;
 	unsigned long		efi_flags;	/* misc flags */
 	xfs_efi_log_format_t	efi_format;
-} xfs_efi_log_item_t;
+};
 
 /*
  * This is the "extent free done" log item.  It is used to log
  * the fact that some extents earlier mentioned in an efi item
  * have been freed.
  */
-typedef struct xfs_efd_log_item {
+struct xfs_efd_log_item {
 	struct xfs_log_item	efd_item;
-	xfs_efi_log_item_t	*efd_efip;
+	struct xfs_efi_log_item *efd_efip;
 	uint			efd_next_extent;
 	xfs_efd_log_format_t	efd_format;
-} xfs_efd_log_item_t;
+};
 
 /*
  * Max number of extents in fast allocation path.
@@ -78,13 +78,13 @@ typedef struct xfs_efd_log_item {
 extern struct kmem_zone	*xfs_efi_zone;
 extern struct kmem_zone	*xfs_efd_zone;
 
-xfs_efi_log_item_t	*xfs_efi_init(struct xfs_mount *, uint);
+struct xfs_efi_log_item	*xfs_efi_init(struct xfs_mount *, uint);
 int			xfs_efi_copy_format(xfs_log_iovec_t *buf,
 					    xfs_efi_log_format_t *dst_efi_fmt);
-void			xfs_efi_item_free(xfs_efi_log_item_t *);
+void			xfs_efi_item_free(struct xfs_efi_log_item *);
 void			xfs_efi_release(struct xfs_efi_log_item *);
 
-int			xfs_efi_recover(struct xfs_mount *mp,
-					struct xfs_efi_log_item *efip);
+int			xfs_efi_recover(struct xfs_efi_log_item *efip,
+					struct list_head *capture_list);
 
 #endif	/* __XFS_EXTFREE_ITEM_H__ */
diff --git a/fs/xfs/xfs_icreate_item.c b/fs/xfs/xfs_icreate_item.c
index 3ebd1b7f49d82..7d940b289db54 100644
--- a/fs/xfs/xfs_icreate_item.c
+++ b/fs/xfs/xfs_icreate_item.c
@@ -10,6 +10,7 @@
 #include "xfs_trans.h"
 #include "xfs_trans_priv.h"
 #include "xfs_icreate_item.h"
+#include "xfs_log_priv.h"
 #include "xfs_log.h"
 
 kmem_zone_t	*xfs_icreate_zone;		/* inode create item zone */
diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c
index e5a90a0b8f8a2..02f77a359972e 100644
--- a/fs/xfs/xfs_inode.c
+++ b/fs/xfs/xfs_inode.c
@@ -2555,7 +2555,7 @@ xfs_ifree_cluster(
 	xfs_daddr_t		blkno;
 	xfs_buf_t		*bp;
 	xfs_inode_t		*ip;
-	xfs_inode_log_item_t	*iip;
+	struct xfs_inode_log_item *iip;
 	struct xfs_log_item	*lip;
 	struct xfs_perag	*pag;
 	struct xfs_ino_geometry	*igeo = M_IGEO(mp);
@@ -2617,7 +2617,7 @@ xfs_ifree_cluster(
 		 */
 		list_for_each_entry(lip, &bp->b_li_list, li_bio_list) {
 			if (lip->li_type == XFS_LI_INODE) {
-				iip = (xfs_inode_log_item_t *)lip;
+				iip = (struct xfs_inode_log_item *)lip;
 				ASSERT(iip->ili_logged == 1);
 				lip->li_cb = xfs_istale_done;
 				xfs_trans_ail_copy_lsn(mp->m_ail,
diff --git a/fs/xfs/xfs_inode_item.c b/fs/xfs/xfs_inode_item.c
index 76a60526af94f..83b8f5655636e 100644
--- a/fs/xfs/xfs_inode_item.c
+++ b/fs/xfs/xfs_inode_item.c
@@ -781,7 +781,7 @@ xfs_iflush_abort(
 	xfs_inode_t		*ip,
 	bool			stale)
 {
-	xfs_inode_log_item_t	*iip = ip->i_itemp;
+	struct xfs_inode_log_item *iip = ip->i_itemp;
 
 	if (iip) {
 		if (test_bit(XFS_LI_IN_AIL, &iip->ili_item.li_flags)) {
diff --git a/fs/xfs/xfs_inode_item.h b/fs/xfs/xfs_inode_item.h
index 07a60e74c39c8..ad667fd4ae622 100644
--- a/fs/xfs/xfs_inode_item.h
+++ b/fs/xfs/xfs_inode_item.h
@@ -13,7 +13,7 @@ struct xfs_bmbt_rec;
 struct xfs_inode;
 struct xfs_mount;
 
-typedef struct xfs_inode_log_item {
+struct xfs_inode_log_item {
 	struct xfs_log_item	ili_item;	   /* common portion */
 	struct xfs_inode	*ili_inode;	   /* inode ptr */
 	xfs_lsn_t		ili_flush_lsn;	   /* lsn at last flush */
@@ -23,7 +23,7 @@ typedef struct xfs_inode_log_item {
 	unsigned int		ili_last_fields;   /* fields when flushed */
 	unsigned int		ili_fields;	   /* fields to be logged */
 	unsigned int		ili_fsync_fields;  /* logged since last fsync */
-} xfs_inode_log_item_t;
+};
 
 static inline int xfs_inode_clean(xfs_inode_t *ip)
 {
diff --git a/fs/xfs/xfs_iwalk.c b/fs/xfs/xfs_iwalk.c
index aa375cf53021a..cc5c0c835884e 100644
--- a/fs/xfs/xfs_iwalk.c
+++ b/fs/xfs/xfs_iwalk.c
@@ -55,6 +55,9 @@ struct xfs_iwalk_ag {
 	/* Where do we start the traversal? */
 	xfs_ino_t			startino;
 
+	/* What was the last inode number we saw when iterating the inobt? */
+	xfs_ino_t			lastino;
+
 	/* Array of inobt records we cache. */
 	struct xfs_inobt_rec_incore	*recs;
 
@@ -300,6 +303,9 @@ xfs_iwalk_ag_start(
 		return error;
 	XFS_WANT_CORRUPTED_RETURN(mp, *has_more == 1);
 
+	iwag->lastino = XFS_AGINO_TO_INO(mp, agno,
+				irec->ir_startino + XFS_INODES_PER_CHUNK - 1);
+
 	/*
 	 * If the LE lookup yielded an inobt record before the cursor position,
 	 * skip it and see if there's another one after it.
@@ -346,15 +352,17 @@ xfs_iwalk_run_callbacks(
 	struct xfs_mount		*mp = iwag->mp;
 	struct xfs_trans		*tp = iwag->tp;
 	struct xfs_inobt_rec_incore	*irec;
-	xfs_agino_t			restart;
+	xfs_agino_t			next_agino;
 	int				error;
 
+	next_agino = XFS_INO_TO_AGINO(mp, iwag->lastino) + 1;
+
 	ASSERT(iwag->nr_recs > 0);
 
 	/* Delete cursor but remember the last record we cached... */
 	xfs_iwalk_del_inobt(tp, curpp, agi_bpp, 0);
 	irec = &iwag->recs[iwag->nr_recs - 1];
-	restart = irec->ir_startino + XFS_INODES_PER_CHUNK - 1;
+	ASSERT(next_agino >= irec->ir_startino + XFS_INODES_PER_CHUNK);
 
 	error = xfs_iwalk_ag_recs(iwag);
 	if (error)
@@ -371,7 +379,7 @@ xfs_iwalk_run_callbacks(
 	if (error)
 		return error;
 
-	return xfs_inobt_lookup(*curpp, restart, XFS_LOOKUP_GE, has_more);
+	return xfs_inobt_lookup(*curpp, next_agino, XFS_LOOKUP_GE, has_more);
 }
 
 /* Walk all inodes in a single AG, from @iwag->startino to the end of the AG. */
@@ -395,6 +403,7 @@ xfs_iwalk_ag(
 
 	while (!error && has_more) {
 		struct xfs_inobt_rec_incore	*irec;
+		xfs_ino_t			rec_fsino;
 
 		cond_resched();
 		if (xfs_pwork_want_abort(&iwag->pwork))
@@ -406,6 +415,15 @@ xfs_iwalk_ag(
 		if (error || !has_more)
 			break;
 
+		/* Make sure that we always move forward. */
+		rec_fsino = XFS_AGINO_TO_INO(mp, agno, irec->ir_startino);
+		if (iwag->lastino != NULLFSINO && iwag->lastino >= rec_fsino) {
+			ASSERT(iwag->lastino < rec_fsino);
+			error = -EFSCORRUPTED;
+			goto out;
+		}
+		iwag->lastino = rec_fsino + XFS_INODES_PER_CHUNK - 1;
+
 		/* No allocated inodes in this chunk; skip it. */
 		if (iwag->skip_empty && irec->ir_freecount == irec->ir_count) {
 			error = xfs_btree_increment(cur, 0, &has_more);
@@ -534,6 +552,7 @@ xfs_iwalk(
 		.trim_start	= 1,
 		.skip_empty	= 1,
 		.pwork		= XFS_PWORK_SINGLE_THREADED,
+		.lastino	= NULLFSINO,
 	};
 	xfs_agnumber_t		agno = XFS_INO_TO_AGNO(mp, startino);
 	int			error;
@@ -622,6 +641,7 @@ xfs_iwalk_threaded(
 		iwag->data = data;
 		iwag->startino = startino;
 		iwag->sz_recs = xfs_iwalk_prefetch(inode_records);
+		iwag->lastino = NULLFSINO;
 		xfs_pwork_queue(&pctl, &iwag->pwork);
 		startino = XFS_AGINO_TO_INO(mp, agno + 1, 0);
 		if (flags & XFS_INOBT_WALK_SAME_AG)
@@ -695,6 +715,7 @@ xfs_inobt_walk(
 		.startino	= startino,
 		.sz_recs	= xfs_inobt_walk_prefetch(inobt_records),
 		.pwork		= XFS_PWORK_SINGLE_THREADED,
+		.lastino	= NULLFSINO,
 	};
 	xfs_agnumber_t		agno = XFS_INO_TO_AGNO(mp, startino);
 	int			error;
diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c
index 63c0f1e9d1018..03a52b3919b82 100644
--- a/fs/xfs/xfs_log.c
+++ b/fs/xfs/xfs_log.c
@@ -369,6 +369,25 @@ xlog_tic_add_region(xlog_ticket_t *tic, uint len, uint type)
 	tic->t_res_num++;
 }
 
+bool
+xfs_log_writable(
+	struct xfs_mount	*mp)
+{
+	/*
+	 * Never write to the log on norecovery mounts, if the block device is
+	 * read-only, or if the filesystem is shutdown. Read-only mounts still
+	 * allow internal writes for log recovery and unmount purposes, so don't
+	 * restrict that case here.
+	 */
+	if (mp->m_flags & XFS_MOUNT_NORECOVERY)
+		return false;
+	if (xfs_readonly_buftarg(mp->m_log->l_targ))
+		return false;
+	if (XFS_FORCED_SHUTDOWN(mp))
+		return false;
+	return true;
+}
+
 /*
  * Replenish the byte reservation required by moving the grant write head.
  */
@@ -895,15 +914,8 @@ xfs_log_unmount_write(xfs_mount_t *mp)
 #endif
 	int		 error;
 
-	/*
-	 * Don't write out unmount record on norecovery mounts or ro devices.
-	 * Or, if we are doing a forced umount (typically because of IO errors).
-	 */
-	if (mp->m_flags & XFS_MOUNT_NORECOVERY ||
-	    xfs_readonly_buftarg(log->l_targ)) {
-		ASSERT(mp->m_flags & XFS_MOUNT_RDONLY);
+	if (!xfs_log_writable(mp))
 		return 0;
-	}
 
 	error = xfs_log_force(mp, XFS_LOG_SYNC);
 	ASSERT(error || !(XLOG_FORCED_SHUTDOWN(log)));
@@ -1537,14 +1549,14 @@ xlog_commit_record(
 }
 
 /*
- * Push on the buffer cache code if we ever use more than 75% of the on-disk
- * log space.  This code pushes on the lsn which would supposedly free up
- * the 25% which we want to leave free.  We may need to adopt a policy which
- * pushes on an lsn which is further along in the log once we reach the high
- * water mark.  In this manner, we would be creating a low water mark.
+ * Compute the LSN that we'd need to push the log tail towards in order to have
+ * (a) enough on-disk log space to log the number of bytes specified, (b) at
+ * least 25% of the log space free, and (c) at least 256 blocks free.  If the
+ * log free space already meets all three thresholds, this function returns
+ * NULLCOMMITLSN.
  */
-STATIC void
-xlog_grant_push_ail(
+xfs_lsn_t
+xlog_grant_push_threshold(
 	struct xlog	*log,
 	int		need_bytes)
 {
@@ -1570,7 +1582,7 @@ xlog_grant_push_ail(
 	free_threshold = max(free_threshold, (log->l_logBBsize >> 2));
 	free_threshold = max(free_threshold, 256);
 	if (free_blocks >= free_threshold)
-		return;
+		return NULLCOMMITLSN;
 
 	xlog_crack_atomic_lsn(&log->l_tail_lsn, &threshold_cycle,
 						&threshold_block);
@@ -1590,13 +1602,33 @@ xlog_grant_push_ail(
 	if (XFS_LSN_CMP(threshold_lsn, last_sync_lsn) > 0)
 		threshold_lsn = last_sync_lsn;
 
+	return threshold_lsn;
+}
+
+/*
+ * Push the tail of the log if we need to do so to maintain the free log space
+ * thresholds set out by xlog_grant_push_threshold.  We may need to adopt a
+ * policy which pushes on an lsn which is further along in the log once we
+ * reach the high water mark.  In this manner, we would be creating a low water
+ * mark.
+ */
+STATIC void
+xlog_grant_push_ail(
+	struct xlog	*log,
+	int		need_bytes)
+{
+	xfs_lsn_t	threshold_lsn;
+
+	threshold_lsn = xlog_grant_push_threshold(log, need_bytes);
+	if (threshold_lsn == NULLCOMMITLSN || XLOG_FORCED_SHUTDOWN(log))
+		return;
+
 	/*
 	 * Get the transaction layer to kick the dirty buffers out to
 	 * disk asynchronously. No point in trying to do this if
 	 * the filesystem is shutting down.
 	 */
-	if (!XLOG_FORCED_SHUTDOWN(log))
-		xfs_ail_push(log->l_ailp, threshold_lsn);
+	xfs_ail_push(log->l_ailp, threshold_lsn);
 }
 
 /*
diff --git a/fs/xfs/xfs_log.h b/fs/xfs/xfs_log.h
index 84e06805160f8..dc9229e7ddaaa 100644
--- a/fs/xfs/xfs_log.h
+++ b/fs/xfs/xfs_log.h
@@ -132,6 +132,7 @@ int	  xfs_log_reserve(struct xfs_mount *mp,
 int	  xfs_log_regrant(struct xfs_mount *mp, struct xlog_ticket *tic);
 void      xfs_log_unmount(struct xfs_mount *mp);
 int	  xfs_log_force_umount(struct xfs_mount *mp, int logerror);
+bool	xfs_log_writable(struct xfs_mount *mp);
 
 struct xlog_ticket *xfs_log_ticket_get(struct xlog_ticket *ticket);
 void	  xfs_log_ticket_put(struct xlog_ticket *ticket);
@@ -146,4 +147,6 @@ void	xfs_log_quiesce(struct xfs_mount *mp);
 bool	xfs_log_check_lsn(struct xfs_mount *, xfs_lsn_t);
 bool	xfs_log_in_recovery(struct xfs_mount *);
 
+xfs_lsn_t xlog_grant_push_threshold(struct xlog *log, int need_bytes);
+
 #endif	/* __XFS_LOG_H__ */
diff --git a/fs/xfs/xfs_log_cil.c b/fs/xfs/xfs_log_cil.c
index 550fd5de2404a..ae9b8efcfa545 100644
--- a/fs/xfs/xfs_log_cil.c
+++ b/fs/xfs/xfs_log_cil.c
@@ -1178,21 +1178,19 @@ out_shutdown:
  */
 bool
 xfs_log_item_in_current_chkpt(
-	struct xfs_log_item *lip)
+	struct xfs_log_item	*lip)
 {
-	struct xfs_cil_ctx *ctx;
+	struct xfs_cil		*cil = lip->li_mountp->m_log->l_cilp;
 
 	if (list_empty(&lip->li_cil))
 		return false;
 
-	ctx = lip->li_mountp->m_log->l_cilp->xc_ctx;
-
 	/*
 	 * li_seq is written on the first commit of a log item to record the
 	 * first checkpoint it is written to. Hence if it is different to the
 	 * current sequence, we're in a new checkpoint.
 	 */
-	if (XFS_LSN_CMP(lip->li_seq, ctx->sequence) != 0)
+	if (XFS_LSN_CMP(lip->li_seq, READ_ONCE(cil->xc_current_sequence)) != 0)
 		return false;
 	return true;
 }
diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c
index 46b1e255f55fc..6c60cdd10d330 100644
--- a/fs/xfs/xfs_log_recover.c
+++ b/fs/xfs/xfs_log_recover.c
@@ -2206,6 +2206,8 @@ xlog_recover_get_buf_lsn(
 	case XFS_ABTC_MAGIC:
 	case XFS_RMAP_CRC_MAGIC:
 	case XFS_REFC_CRC_MAGIC:
+	case XFS_FIBT_CRC_MAGIC:
+	case XFS_FIBT_MAGIC:
 	case XFS_IBT_CRC_MAGIC:
 	case XFS_IBT_MAGIC: {
 		struct xfs_btree_block *btb = blk;
@@ -3384,7 +3386,7 @@ xlog_recover_efd_pass2(
 	struct xlog_recover_item	*item)
 {
 	xfs_efd_log_format_t	*efd_formatp;
-	xfs_efi_log_item_t	*efip = NULL;
+	struct xfs_efi_log_item	*efip = NULL;
 	struct xfs_log_item	*lip;
 	uint64_t		efi_id;
 	struct xfs_ail_cursor	cur;
@@ -3405,7 +3407,7 @@ xlog_recover_efd_pass2(
 	lip = xfs_trans_ail_cursor_first(ailp, &cur, 0);
 	while (lip != NULL) {
 		if (lip->li_type == XFS_LI_EFI) {
-			efip = (xfs_efi_log_item_t *)lip;
+			efip = (struct xfs_efi_log_item *)lip;
 			if (efip->efi_format.efi_id == efi_id) {
 				/*
 				 * Drop the EFD reference to the EFI. This
@@ -4585,9 +4587,9 @@ xlog_recover_process_data(
 /* Recover the EFI if necessary. */
 STATIC int
 xlog_recover_process_efi(
-	struct xfs_mount		*mp,
 	struct xfs_ail			*ailp,
-	struct xfs_log_item		*lip)
+	struct xfs_log_item		*lip,
+	struct list_head		*capture_list)
 {
 	struct xfs_efi_log_item		*efip;
 	int				error;
@@ -4600,7 +4602,7 @@ xlog_recover_process_efi(
 		return 0;
 
 	spin_unlock(&ailp->ail_lock);
-	error = xfs_efi_recover(mp, efip);
+	error = xfs_efi_recover(efip, capture_list);
 	spin_lock(&ailp->ail_lock);
 
 	return error;
@@ -4625,9 +4627,9 @@ xlog_recover_cancel_efi(
 /* Recover the RUI if necessary. */
 STATIC int
 xlog_recover_process_rui(
-	struct xfs_mount		*mp,
 	struct xfs_ail			*ailp,
-	struct xfs_log_item		*lip)
+	struct xfs_log_item		*lip,
+	struct list_head		*capture_list)
 {
 	struct xfs_rui_log_item		*ruip;
 	int				error;
@@ -4640,7 +4642,7 @@ xlog_recover_process_rui(
 		return 0;
 
 	spin_unlock(&ailp->ail_lock);
-	error = xfs_rui_recover(mp, ruip);
+	error = xfs_rui_recover(ruip, capture_list);
 	spin_lock(&ailp->ail_lock);
 
 	return error;
@@ -4665,9 +4667,9 @@ xlog_recover_cancel_rui(
 /* Recover the CUI if necessary. */
 STATIC int
 xlog_recover_process_cui(
-	struct xfs_trans		*parent_tp,
 	struct xfs_ail			*ailp,
-	struct xfs_log_item		*lip)
+	struct xfs_log_item		*lip,
+	struct list_head		*capture_list)
 {
 	struct xfs_cui_log_item		*cuip;
 	int				error;
@@ -4680,7 +4682,7 @@ xlog_recover_process_cui(
 		return 0;
 
 	spin_unlock(&ailp->ail_lock);
-	error = xfs_cui_recover(parent_tp, cuip);
+	error = xfs_cui_recover(cuip, capture_list);
 	spin_lock(&ailp->ail_lock);
 
 	return error;
@@ -4705,9 +4707,9 @@ xlog_recover_cancel_cui(
 /* Recover the BUI if necessary. */
 STATIC int
 xlog_recover_process_bui(
-	struct xfs_trans		*parent_tp,
 	struct xfs_ail			*ailp,
-	struct xfs_log_item		*lip)
+	struct xfs_log_item		*lip,
+	struct list_head		*capture_list)
 {
 	struct xfs_bui_log_item		*buip;
 	int				error;
@@ -4720,7 +4722,7 @@ xlog_recover_process_bui(
 		return 0;
 
 	spin_unlock(&ailp->ail_lock);
-	error = xfs_bui_recover(parent_tp, buip);
+	error = xfs_bui_recover(buip, capture_list);
 	spin_lock(&ailp->ail_lock);
 
 	return error;
@@ -4759,37 +4761,66 @@ static inline bool xlog_item_is_intent(struct xfs_log_item *lip)
 /* Take all the collected deferred ops and finish them in order. */
 static int
 xlog_finish_defer_ops(
-	struct xfs_trans	*parent_tp)
+	struct xfs_mount	*mp,
+	struct list_head	*capture_list)
 {
-	struct xfs_mount	*mp = parent_tp->t_mountp;
+	struct xfs_defer_capture *dfc, *next;
 	struct xfs_trans	*tp;
-	int64_t			freeblks;
-	uint			resblks;
-	int			error;
+	struct xfs_inode	*ip;
+	int			error = 0;
 
-	/*
-	 * We're finishing the defer_ops that accumulated as a result of
-	 * recovering unfinished intent items during log recovery.  We
-	 * reserve an itruncate transaction because it is the largest
-	 * permanent transaction type.  Since we're the only user of the fs
-	 * right now, take 93% (15/16) of the available free blocks.  Use
-	 * weird math to avoid a 64-bit division.
-	 */
-	freeblks = percpu_counter_sum(&mp->m_fdblocks);
-	if (freeblks <= 0)
-		return -ENOSPC;
-	resblks = min_t(int64_t, UINT_MAX, freeblks);
-	resblks = (resblks * 15) >> 4;
-	error = xfs_trans_alloc(mp, &M_RES(mp)->tr_itruncate, resblks,
-			0, XFS_TRANS_RESERVE, &tp);
-	if (error)
-		return error;
-	/* transfer all collected dfops to this transaction */
-	xfs_defer_move(tp, parent_tp);
+	list_for_each_entry_safe(dfc, next, capture_list, dfc_list) {
+		struct xfs_trans_res	resv;
+
+		/*
+		 * Create a new transaction reservation from the captured
+		 * information.  Set logcount to 1 to force the new transaction
+		 * to regrant every roll so that we can make forward progress
+		 * in recovery no matter how full the log might be.
+		 */
+		resv.tr_logres = dfc->dfc_logres;
+		resv.tr_logcount = 1;
+		resv.tr_logflags = XFS_TRANS_PERM_LOG_RES;
+
+		error = xfs_trans_alloc(mp, &resv, dfc->dfc_blkres,
+				dfc->dfc_rtxres, XFS_TRANS_RESERVE, &tp);
+		if (error)
+			return error;
+
+		/*
+		 * Transfer to this new transaction all the dfops we captured
+		 * from recovering a single intent item.
+		 */
+		list_del_init(&dfc->dfc_list);
+		xfs_defer_ops_continue(dfc, tp, &ip);
+
+		error = xfs_trans_commit(tp);
+		if (ip) {
+			xfs_iunlock(ip, XFS_ILOCK_EXCL);
+			xfs_irele(ip);
+		}
+		if (error)
+			return error;
+	}
 
-	return xfs_trans_commit(tp);
+	ASSERT(list_empty(capture_list));
+	return 0;
 }
 
+/* Release all the captured defer ops and capture structures in this list. */
+static void
+xlog_abort_defer_ops(
+	struct xfs_mount		*mp,
+	struct list_head		*capture_list)
+{
+	struct xfs_defer_capture	*dfc;
+	struct xfs_defer_capture	*next;
+
+	list_for_each_entry_safe(dfc, next, capture_list, dfc_list) {
+		list_del_init(&dfc->dfc_list);
+		xfs_defer_ops_release(mp, dfc);
+	}
+}
 /*
  * When this is called, all of the log intent items which did not have
  * corresponding log done items should be in the AIL.  What we do now
@@ -4810,35 +4841,23 @@ STATIC int
 xlog_recover_process_intents(
 	struct xlog		*log)
 {
-	struct xfs_trans	*parent_tp;
+	LIST_HEAD(capture_list);
 	struct xfs_ail_cursor	cur;
 	struct xfs_log_item	*lip;
 	struct xfs_ail		*ailp;
-	int			error;
+	int			error = 0;
 #if defined(DEBUG) || defined(XFS_WARN)
 	xfs_lsn_t		last_lsn;
 #endif
 
-	/*
-	 * The intent recovery handlers commit transactions to complete recovery
-	 * for individual intents, but any new deferred operations that are
-	 * queued during that process are held off until the very end. The
-	 * purpose of this transaction is to serve as a container for deferred
-	 * operations. Each intent recovery handler must transfer dfops here
-	 * before its local transaction commits, and we'll finish the entire
-	 * list below.
-	 */
-	error = xfs_trans_alloc_empty(log->l_mp, &parent_tp);
-	if (error)
-		return error;
-
 	ailp = log->l_ailp;
 	spin_lock(&ailp->ail_lock);
-	lip = xfs_trans_ail_cursor_first(ailp, &cur, 0);
 #if defined(DEBUG) || defined(XFS_WARN)
 	last_lsn = xlog_assign_lsn(log->l_curr_cycle, log->l_curr_block);
 #endif
-	while (lip != NULL) {
+	for (lip = xfs_trans_ail_cursor_first(ailp, &cur, 0);
+	     lip != NULL;
+	     lip = xfs_trans_ail_cursor_next(ailp, &cur)) {
 		/*
 		 * We're done when we see something other than an intent.
 		 * There should be no intents left in the AIL now.
@@ -4860,35 +4879,40 @@ xlog_recover_process_intents(
 
 		/*
 		 * NOTE: If your intent processing routine can create more
-		 * deferred ops, you /must/ attach them to the dfops in this
-		 * routine or else those subsequent intents will get
+		 * deferred ops, you /must/ attach them to the capture list in
+		 * the recover routine or else those subsequent intents will be
 		 * replayed in the wrong order!
 		 */
 		switch (lip->li_type) {
 		case XFS_LI_EFI:
-			error = xlog_recover_process_efi(log->l_mp, ailp, lip);
+			error = xlog_recover_process_efi(ailp, lip, &capture_list);
 			break;
 		case XFS_LI_RUI:
-			error = xlog_recover_process_rui(log->l_mp, ailp, lip);
+			error = xlog_recover_process_rui(ailp, lip, &capture_list);
 			break;
 		case XFS_LI_CUI:
-			error = xlog_recover_process_cui(parent_tp, ailp, lip);
+			error = xlog_recover_process_cui(ailp, lip, &capture_list);
 			break;
 		case XFS_LI_BUI:
-			error = xlog_recover_process_bui(parent_tp, ailp, lip);
+			error = xlog_recover_process_bui(ailp, lip, &capture_list);
 			break;
 		}
 		if (error)
-			goto out;
-		lip = xfs_trans_ail_cursor_next(ailp, &cur);
+			break;
 	}
-out:
+
 	xfs_trans_ail_cursor_done(&cur);
 	spin_unlock(&ailp->ail_lock);
-	if (!error)
-		error = xlog_finish_defer_ops(parent_tp);
-	xfs_trans_cancel(parent_tp);
+	if (error)
+		goto err;
 
+	error = xlog_finish_defer_ops(log->l_mp, &capture_list);
+	if (error)
+		goto err;
+
+	return 0;
+err:
+	xlog_abort_defer_ops(log->l_mp, &capture_list);
 	return error;
 }
 
diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c
index bbcf48a625b2a..2860966af6c20 100644
--- a/fs/xfs/xfs_mount.c
+++ b/fs/xfs/xfs_mount.c
@@ -1218,8 +1218,7 @@ xfs_fs_writable(
 int
 xfs_log_sbcount(xfs_mount_t *mp)
 {
-	/* allow this to proceed during the freeze sequence... */
-	if (!xfs_fs_writable(mp, SB_FREEZE_COMPLETE))
+	if (!xfs_log_writable(mp))
 		return 0;
 
 	/*
diff --git a/fs/xfs/xfs_refcount_item.c b/fs/xfs/xfs_refcount_item.c
index d5708d40ad877..fa1018a6e6777 100644
--- a/fs/xfs/xfs_refcount_item.c
+++ b/fs/xfs/xfs_refcount_item.c
@@ -123,40 +123,6 @@ xfs_cui_item_release(
 	xfs_cui_release(CUI_ITEM(lip));
 }
 
-static const struct xfs_item_ops xfs_cui_item_ops = {
-	.iop_size	= xfs_cui_item_size,
-	.iop_format	= xfs_cui_item_format,
-	.iop_unpin	= xfs_cui_item_unpin,
-	.iop_release	= xfs_cui_item_release,
-};
-
-/*
- * Allocate and initialize an cui item with the given number of extents.
- */
-struct xfs_cui_log_item *
-xfs_cui_init(
-	struct xfs_mount		*mp,
-	uint				nextents)
-
-{
-	struct xfs_cui_log_item		*cuip;
-
-	ASSERT(nextents > 0);
-	if (nextents > XFS_CUI_MAX_FAST_EXTENTS)
-		cuip = kmem_zalloc(xfs_cui_log_item_sizeof(nextents),
-				0);
-	else
-		cuip = kmem_zone_zalloc(xfs_cui_zone, 0);
-
-	xfs_log_item_init(mp, &cuip->cui_item, XFS_LI_CUI, &xfs_cui_item_ops);
-	cuip->cui_format.cui_nextents = nextents;
-	cuip->cui_format.cui_id = (uintptr_t)(void *)cuip;
-	atomic_set(&cuip->cui_next_extent, 0);
-	atomic_set(&cuip->cui_refcount, 2);
-
-	return cuip;
-}
-
 static inline struct xfs_cud_log_item *CUD_ITEM(struct xfs_log_item *lip)
 {
 	return container_of(lip, struct xfs_cud_log_item, cud_item);
@@ -284,27 +250,6 @@ xfs_refcount_update_diff_items(
 		XFS_FSB_TO_AGNO(mp, rb->ri_startblock);
 }
 
-/* Get an CUI. */
-STATIC void *
-xfs_refcount_update_create_intent(
-	struct xfs_trans		*tp,
-	unsigned int			count)
-{
-	struct xfs_cui_log_item		*cuip;
-
-	ASSERT(tp != NULL);
-	ASSERT(count > 0);
-
-	cuip = xfs_cui_init(tp->t_mountp, count);
-	ASSERT(cuip != NULL);
-
-	/*
-	 * Get a log_item_desc to point at the new item.
-	 */
-	xfs_trans_add_item(tp, &cuip->cui_item);
-	return cuip;
-}
-
 /* Set the phys extent flags for this reverse mapping. */
 static void
 xfs_trans_set_refcount_flags(
@@ -328,16 +273,12 @@ xfs_trans_set_refcount_flags(
 STATIC void
 xfs_refcount_update_log_item(
 	struct xfs_trans		*tp,
-	void				*intent,
-	struct list_head		*item)
+	struct xfs_cui_log_item		*cuip,
+	struct xfs_refcount_intent	*refc)
 {
-	struct xfs_cui_log_item		*cuip = intent;
-	struct xfs_refcount_intent	*refc;
 	uint				next_extent;
 	struct xfs_phys_extent		*ext;
 
-	refc = container_of(item, struct xfs_refcount_intent, ri_list);
-
 	tp->t_flags |= XFS_TRANS_DIRTY;
 	set_bit(XFS_LI_DIRTY, &cuip->cui_item.li_flags);
 
@@ -354,14 +295,35 @@ xfs_refcount_update_log_item(
 	xfs_trans_set_refcount_flags(ext, refc->ri_type);
 }
 
+static struct xfs_log_item *
+xfs_refcount_update_create_intent(
+	struct xfs_trans		*tp,
+	struct list_head		*items,
+	unsigned int			count,
+	bool				sort)
+{
+	struct xfs_mount		*mp = tp->t_mountp;
+	struct xfs_cui_log_item		*cuip = xfs_cui_init(mp, count);
+	struct xfs_refcount_intent	*refc;
+
+	ASSERT(count > 0);
+
+	xfs_trans_add_item(tp, &cuip->cui_item);
+	if (sort)
+		list_sort(mp, items, xfs_refcount_update_diff_items);
+	list_for_each_entry(refc, items, ri_list)
+		xfs_refcount_update_log_item(tp, cuip, refc);
+	return &cuip->cui_item;
+}
+
 /* Get an CUD so we can process all the deferred refcount updates. */
 STATIC void *
 xfs_refcount_update_create_done(
 	struct xfs_trans		*tp,
-	void				*intent,
+	struct xfs_log_item		*intent,
 	unsigned int			count)
 {
-	return xfs_trans_get_cud(tp, intent);
+	return xfs_trans_get_cud(tp, CUI_ITEM(intent));
 }
 
 /* Process a deferred refcount update. */
@@ -411,9 +373,9 @@ xfs_refcount_update_finish_cleanup(
 /* Abort all pending CUIs. */
 STATIC void
 xfs_refcount_update_abort_intent(
-	void				*intent)
+	struct xfs_log_item		*intent)
 {
-	xfs_cui_release(intent);
+	xfs_cui_release(CUI_ITEM(intent));
 }
 
 /* Cancel a deferred refcount update. */
@@ -429,10 +391,8 @@ xfs_refcount_update_cancel_item(
 
 const struct xfs_defer_op_type xfs_refcount_update_defer_type = {
 	.max_items	= XFS_CUI_MAX_FAST_EXTENTS,
-	.diff_items	= xfs_refcount_update_diff_items,
 	.create_intent	= xfs_refcount_update_create_intent,
 	.abort_intent	= xfs_refcount_update_abort_intent,
-	.log_item	= xfs_refcount_update_log_item,
 	.create_done	= xfs_refcount_update_create_done,
 	.finish_item	= xfs_refcount_update_finish_item,
 	.finish_cleanup = xfs_refcount_update_finish_cleanup,
@@ -445,8 +405,8 @@ const struct xfs_defer_op_type xfs_refcount_update_defer_type = {
  */
 int
 xfs_cui_recover(
-	struct xfs_trans		*parent_tp,
-	struct xfs_cui_log_item		*cuip)
+	struct xfs_cui_log_item		*cuip,
+	struct list_head		*capture_list)
 {
 	int				i;
 	int				error = 0;
@@ -462,7 +422,7 @@ xfs_cui_recover(
 	xfs_extlen_t			new_len;
 	struct xfs_bmbt_irec		irec;
 	bool				requeue_only = false;
-	struct xfs_mount		*mp = parent_tp->t_mountp;
+	struct xfs_mount		*mp = cuip->cui_item.li_mountp;
 
 	ASSERT(!test_bit(XFS_CUI_RECOVERED, &cuip->cui_flags));
 
@@ -517,12 +477,7 @@ xfs_cui_recover(
 			mp->m_refc_maxlevels * 2, 0, XFS_TRANS_RESERVE, &tp);
 	if (error)
 		return error;
-	/*
-	 * Recovery stashes all deferred ops during intent processing and
-	 * finishes them on completion. Transfer current dfops state to this
-	 * transaction and transfer the result back before we return.
-	 */
-	xfs_defer_move(tp, parent_tp);
+
 	cudp = xfs_trans_get_cud(tp, cuip);
 
 	for (i = 0; i < cuip->cui_format.cui_nextents; i++) {
@@ -580,13 +535,71 @@ xfs_cui_recover(
 
 	xfs_refcount_finish_one_cleanup(tp, rcur, error);
 	set_bit(XFS_CUI_RECOVERED, &cuip->cui_flags);
-	xfs_defer_move(parent_tp, tp);
-	error = xfs_trans_commit(tp);
-	return error;
+	return xfs_defer_ops_capture_and_commit(tp, NULL, capture_list);
 
 abort_error:
 	xfs_refcount_finish_one_cleanup(tp, rcur, error);
-	xfs_defer_move(parent_tp, tp);
 	xfs_trans_cancel(tp);
 	return error;
 }
+
+/* Relog an intent item to push the log tail forward. */
+static struct xfs_log_item *
+xfs_cui_item_relog(
+	struct xfs_log_item		*intent,
+	struct xfs_trans		*tp)
+{
+	struct xfs_cud_log_item		*cudp;
+	struct xfs_cui_log_item		*cuip;
+	struct xfs_phys_extent		*extp;
+	unsigned int			count;
+
+	count = CUI_ITEM(intent)->cui_format.cui_nextents;
+	extp = CUI_ITEM(intent)->cui_format.cui_extents;
+
+	tp->t_flags |= XFS_TRANS_DIRTY;
+	cudp = xfs_trans_get_cud(tp, CUI_ITEM(intent));
+	set_bit(XFS_LI_DIRTY, &cudp->cud_item.li_flags);
+
+	cuip = xfs_cui_init(tp->t_mountp, count);
+	memcpy(cuip->cui_format.cui_extents, extp, count * sizeof(*extp));
+	atomic_set(&cuip->cui_next_extent, count);
+	xfs_trans_add_item(tp, &cuip->cui_item);
+	set_bit(XFS_LI_DIRTY, &cuip->cui_item.li_flags);
+	return &cuip->cui_item;
+}
+
+static const struct xfs_item_ops xfs_cui_item_ops = {
+	.iop_size	= xfs_cui_item_size,
+	.iop_format	= xfs_cui_item_format,
+	.iop_unpin	= xfs_cui_item_unpin,
+	.iop_release	= xfs_cui_item_release,
+	.iop_relog	= xfs_cui_item_relog,
+};
+
+/*
+ * Allocate and initialize an cui item with the given number of extents.
+ */
+struct xfs_cui_log_item *
+xfs_cui_init(
+	struct xfs_mount		*mp,
+	uint				nextents)
+
+{
+	struct xfs_cui_log_item		*cuip;
+
+	ASSERT(nextents > 0);
+	if (nextents > XFS_CUI_MAX_FAST_EXTENTS)
+		cuip = kmem_zalloc(xfs_cui_log_item_sizeof(nextents),
+				0);
+	else
+		cuip = kmem_zone_zalloc(xfs_cui_zone, 0);
+
+	xfs_log_item_init(mp, &cuip->cui_item, XFS_LI_CUI, &xfs_cui_item_ops);
+	cuip->cui_format.cui_nextents = nextents;
+	cuip->cui_format.cui_id = (uintptr_t)(void *)cuip;
+	atomic_set(&cuip->cui_next_extent, 0);
+	atomic_set(&cuip->cui_refcount, 2);
+
+	return cuip;
+}
diff --git a/fs/xfs/xfs_refcount_item.h b/fs/xfs/xfs_refcount_item.h
index e47530f30489d..de5f48ff4f74e 100644
--- a/fs/xfs/xfs_refcount_item.h
+++ b/fs/xfs/xfs_refcount_item.h
@@ -80,6 +80,7 @@ extern struct kmem_zone	*xfs_cud_zone;
 struct xfs_cui_log_item *xfs_cui_init(struct xfs_mount *, uint);
 void xfs_cui_item_free(struct xfs_cui_log_item *);
 void xfs_cui_release(struct xfs_cui_log_item *);
-int xfs_cui_recover(struct xfs_trans *parent_tp, struct xfs_cui_log_item *cuip);
+int xfs_cui_recover(struct xfs_cui_log_item *cuip,
+		struct list_head *capture_list);
 
 #endif	/* __XFS_REFCOUNT_ITEM_H__ */
diff --git a/fs/xfs/xfs_rmap_item.c b/fs/xfs/xfs_rmap_item.c
index 02f84d9a511c3..ba1dbb6c40632 100644
--- a/fs/xfs/xfs_rmap_item.c
+++ b/fs/xfs/xfs_rmap_item.c
@@ -122,39 +122,6 @@ xfs_rui_item_release(
 	xfs_rui_release(RUI_ITEM(lip));
 }
 
-static const struct xfs_item_ops xfs_rui_item_ops = {
-	.iop_size	= xfs_rui_item_size,
-	.iop_format	= xfs_rui_item_format,
-	.iop_unpin	= xfs_rui_item_unpin,
-	.iop_release	= xfs_rui_item_release,
-};
-
-/*
- * Allocate and initialize an rui item with the given number of extents.
- */
-struct xfs_rui_log_item *
-xfs_rui_init(
-	struct xfs_mount		*mp,
-	uint				nextents)
-
-{
-	struct xfs_rui_log_item		*ruip;
-
-	ASSERT(nextents > 0);
-	if (nextents > XFS_RUI_MAX_FAST_EXTENTS)
-		ruip = kmem_zalloc(xfs_rui_log_item_sizeof(nextents), 0);
-	else
-		ruip = kmem_zone_zalloc(xfs_rui_zone, 0);
-
-	xfs_log_item_init(mp, &ruip->rui_item, XFS_LI_RUI, &xfs_rui_item_ops);
-	ruip->rui_format.rui_nextents = nextents;
-	ruip->rui_format.rui_id = (uintptr_t)(void *)ruip;
-	atomic_set(&ruip->rui_next_extent, 0);
-	atomic_set(&ruip->rui_refcount, 2);
-
-	return ruip;
-}
-
 /*
  * Copy an RUI format buffer from the given buf, and into the destination
  * RUI format structure.  The RUI/RUD items were designed not to need any
@@ -352,41 +319,16 @@ xfs_rmap_update_diff_items(
 		XFS_FSB_TO_AGNO(mp, rb->ri_bmap.br_startblock);
 }
 
-/* Get an RUI. */
-STATIC void *
-xfs_rmap_update_create_intent(
-	struct xfs_trans		*tp,
-	unsigned int			count)
-{
-	struct xfs_rui_log_item		*ruip;
-
-	ASSERT(tp != NULL);
-	ASSERT(count > 0);
-
-	ruip = xfs_rui_init(tp->t_mountp, count);
-	ASSERT(ruip != NULL);
-
-	/*
-	 * Get a log_item_desc to point at the new item.
-	 */
-	xfs_trans_add_item(tp, &ruip->rui_item);
-	return ruip;
-}
-
 /* Log rmap updates in the intent item. */
 STATIC void
 xfs_rmap_update_log_item(
 	struct xfs_trans		*tp,
-	void				*intent,
-	struct list_head		*item)
+	struct xfs_rui_log_item		*ruip,
+	struct xfs_rmap_intent		*rmap)
 {
-	struct xfs_rui_log_item		*ruip = intent;
-	struct xfs_rmap_intent		*rmap;
 	uint				next_extent;
 	struct xfs_map_extent		*map;
 
-	rmap = container_of(item, struct xfs_rmap_intent, ri_list);
-
 	tp->t_flags |= XFS_TRANS_DIRTY;
 	set_bit(XFS_LI_DIRTY, &ruip->rui_item.li_flags);
 
@@ -406,14 +348,35 @@ xfs_rmap_update_log_item(
 			rmap->ri_bmap.br_state);
 }
 
+static struct xfs_log_item *
+xfs_rmap_update_create_intent(
+	struct xfs_trans		*tp,
+	struct list_head		*items,
+	unsigned int			count,
+	bool				sort)
+{
+	struct xfs_mount		*mp = tp->t_mountp;
+	struct xfs_rui_log_item		*ruip = xfs_rui_init(mp, count);
+	struct xfs_rmap_intent		*rmap;
+
+	ASSERT(count > 0);
+
+	xfs_trans_add_item(tp, &ruip->rui_item);
+	if (sort)
+		list_sort(mp, items, xfs_rmap_update_diff_items);
+	list_for_each_entry(rmap, items, ri_list)
+		xfs_rmap_update_log_item(tp, ruip, rmap);
+	return &ruip->rui_item;
+}
+
 /* Get an RUD so we can process all the deferred rmap updates. */
 STATIC void *
 xfs_rmap_update_create_done(
 	struct xfs_trans		*tp,
-	void				*intent,
+	struct xfs_log_item		*intent,
 	unsigned int			count)
 {
-	return xfs_trans_get_rud(tp, intent);
+	return xfs_trans_get_rud(tp, RUI_ITEM(intent));
 }
 
 /* Process a deferred rmap update. */
@@ -455,9 +418,9 @@ xfs_rmap_update_finish_cleanup(
 /* Abort all pending RUIs. */
 STATIC void
 xfs_rmap_update_abort_intent(
-	void				*intent)
+	struct xfs_log_item	*intent)
 {
-	xfs_rui_release(intent);
+	xfs_rui_release(RUI_ITEM(intent));
 }
 
 /* Cancel a deferred rmap update. */
@@ -473,10 +436,8 @@ xfs_rmap_update_cancel_item(
 
 const struct xfs_defer_op_type xfs_rmap_update_defer_type = {
 	.max_items	= XFS_RUI_MAX_FAST_EXTENTS,
-	.diff_items	= xfs_rmap_update_diff_items,
 	.create_intent	= xfs_rmap_update_create_intent,
 	.abort_intent	= xfs_rmap_update_abort_intent,
-	.log_item	= xfs_rmap_update_log_item,
 	.create_done	= xfs_rmap_update_create_done,
 	.finish_item	= xfs_rmap_update_finish_item,
 	.finish_cleanup = xfs_rmap_update_finish_cleanup,
@@ -489,9 +450,10 @@ const struct xfs_defer_op_type xfs_rmap_update_defer_type = {
  */
 int
 xfs_rui_recover(
-	struct xfs_mount		*mp,
-	struct xfs_rui_log_item		*ruip)
+	struct xfs_rui_log_item		*ruip,
+	struct list_head		*capture_list)
 {
+	struct xfs_mount		*mp = ruip->rui_item.li_mountp;
 	int				i;
 	int				error = 0;
 	struct xfs_map_extent		*rmap;
@@ -598,11 +560,70 @@ xfs_rui_recover(
 
 	xfs_rmap_finish_one_cleanup(tp, rcur, error);
 	set_bit(XFS_RUI_RECOVERED, &ruip->rui_flags);
-	error = xfs_trans_commit(tp);
-	return error;
+	return xfs_defer_ops_capture_and_commit(tp, NULL, capture_list);
 
 abort_error:
 	xfs_rmap_finish_one_cleanup(tp, rcur, error);
 	xfs_trans_cancel(tp);
 	return error;
 }
+
+/* Relog an intent item to push the log tail forward. */
+static struct xfs_log_item *
+xfs_rui_item_relog(
+	struct xfs_log_item		*intent,
+	struct xfs_trans		*tp)
+{
+	struct xfs_rud_log_item		*rudp;
+	struct xfs_rui_log_item		*ruip;
+	struct xfs_map_extent		*extp;
+	unsigned int			count;
+
+	count = RUI_ITEM(intent)->rui_format.rui_nextents;
+	extp = RUI_ITEM(intent)->rui_format.rui_extents;
+
+	tp->t_flags |= XFS_TRANS_DIRTY;
+	rudp = xfs_trans_get_rud(tp, RUI_ITEM(intent));
+	set_bit(XFS_LI_DIRTY, &rudp->rud_item.li_flags);
+
+	ruip = xfs_rui_init(tp->t_mountp, count);
+	memcpy(ruip->rui_format.rui_extents, extp, count * sizeof(*extp));
+	atomic_set(&ruip->rui_next_extent, count);
+	xfs_trans_add_item(tp, &ruip->rui_item);
+	set_bit(XFS_LI_DIRTY, &ruip->rui_item.li_flags);
+	return &ruip->rui_item;
+}
+
+static const struct xfs_item_ops xfs_rui_item_ops = {
+	.iop_size	= xfs_rui_item_size,
+	.iop_format	= xfs_rui_item_format,
+	.iop_unpin	= xfs_rui_item_unpin,
+	.iop_release	= xfs_rui_item_release,
+	.iop_relog	= xfs_rui_item_relog,
+};
+
+/*
+ * Allocate and initialize an rui item with the given number of extents.
+ */
+struct xfs_rui_log_item *
+xfs_rui_init(
+	struct xfs_mount		*mp,
+	uint				nextents)
+
+{
+	struct xfs_rui_log_item		*ruip;
+
+	ASSERT(nextents > 0);
+	if (nextents > XFS_RUI_MAX_FAST_EXTENTS)
+		ruip = kmem_zalloc(xfs_rui_log_item_sizeof(nextents), 0);
+	else
+		ruip = kmem_zone_zalloc(xfs_rui_zone, 0);
+
+	xfs_log_item_init(mp, &ruip->rui_item, XFS_LI_RUI, &xfs_rui_item_ops);
+	ruip->rui_format.rui_nextents = nextents;
+	ruip->rui_format.rui_id = (uintptr_t)(void *)ruip;
+	atomic_set(&ruip->rui_next_extent, 0);
+	atomic_set(&ruip->rui_refcount, 2);
+
+	return ruip;
+}
diff --git a/fs/xfs/xfs_rmap_item.h b/fs/xfs/xfs_rmap_item.h
index 8708e4a5aa5c3..5cf4acb0e915e 100644
--- a/fs/xfs/xfs_rmap_item.h
+++ b/fs/xfs/xfs_rmap_item.h
@@ -82,6 +82,7 @@ int xfs_rui_copy_format(struct xfs_log_iovec *buf,
 		struct xfs_rui_log_format *dst_rui_fmt);
 void xfs_rui_item_free(struct xfs_rui_log_item *);
 void xfs_rui_release(struct xfs_rui_log_item *);
-int xfs_rui_recover(struct xfs_mount *mp, struct xfs_rui_log_item *ruip);
+int xfs_rui_recover(struct xfs_rui_log_item *ruip,
+		struct list_head *capture_list);
 
 #endif	/* __XFS_RMAP_ITEM_H__ */
diff --git a/fs/xfs/xfs_stats.c b/fs/xfs/xfs_stats.c
index f70f1255220b3..20e0534a772c9 100644
--- a/fs/xfs/xfs_stats.c
+++ b/fs/xfs/xfs_stats.c
@@ -23,6 +23,7 @@ int xfs_stats_format(struct xfsstats __percpu *stats, char *buf)
 	uint64_t	xs_xstrat_bytes = 0;
 	uint64_t	xs_write_bytes = 0;
 	uint64_t	xs_read_bytes = 0;
+	uint64_t	defer_relog = 0;
 
 	static const struct xstats_entry {
 		char	*desc;
@@ -70,10 +71,13 @@ int xfs_stats_format(struct xfsstats __percpu *stats, char *buf)
 		xs_xstrat_bytes += per_cpu_ptr(stats, i)->s.xs_xstrat_bytes;
 		xs_write_bytes += per_cpu_ptr(stats, i)->s.xs_write_bytes;
 		xs_read_bytes += per_cpu_ptr(stats, i)->s.xs_read_bytes;
+		defer_relog += per_cpu_ptr(stats, i)->s.defer_relog;
 	}
 
 	len += scnprintf(buf + len, PATH_MAX-len, "xpc %Lu %Lu %Lu\n",
 			xs_xstrat_bytes, xs_write_bytes, xs_read_bytes);
+	len += scnprintf(buf + len, PATH_MAX-len, "defer_relog %llu\n",
+			defer_relog);
 	len += scnprintf(buf + len, PATH_MAX-len, "debug %u\n",
 #if defined(DEBUG)
 		1);
diff --git a/fs/xfs/xfs_stats.h b/fs/xfs/xfs_stats.h
index 34d704f703d25..43ffba74f045e 100644
--- a/fs/xfs/xfs_stats.h
+++ b/fs/xfs/xfs_stats.h
@@ -137,6 +137,7 @@ struct __xfsstats {
 	uint64_t		xs_xstrat_bytes;
 	uint64_t		xs_write_bytes;
 	uint64_t		xs_read_bytes;
+	uint64_t		defer_relog;
 };
 
 #define	xfsstats_offset(f)	(offsetof(struct __xfsstats, f)/sizeof(uint32_t))
diff --git a/fs/xfs/xfs_super.c b/fs/xfs/xfs_super.c
index f1407900aeef9..9e73d2b29911d 100644
--- a/fs/xfs/xfs_super.c
+++ b/fs/xfs/xfs_super.c
@@ -1914,13 +1914,13 @@ xfs_init_zones(void)
 	if (!xfs_buf_item_zone)
 		goto out_destroy_trans_zone;
 
-	xfs_efd_zone = kmem_zone_init((sizeof(xfs_efd_log_item_t) +
+	xfs_efd_zone = kmem_zone_init((sizeof(struct xfs_efd_log_item) +
 			((XFS_EFD_MAX_FAST_EXTENTS - 1) *
 				 sizeof(xfs_extent_t))), "xfs_efd_item");
 	if (!xfs_efd_zone)
 		goto out_destroy_buf_item_zone;
 
-	xfs_efi_zone = kmem_zone_init((sizeof(xfs_efi_log_item_t) +
+	xfs_efi_zone = kmem_zone_init((sizeof(struct xfs_efi_log_item) +
 			((XFS_EFI_MAX_FAST_EXTENTS - 1) *
 				sizeof(xfs_extent_t))), "xfs_efi_item");
 	if (!xfs_efi_zone)
@@ -1934,8 +1934,8 @@ xfs_init_zones(void)
 		goto out_destroy_efi_zone;
 
 	xfs_ili_zone =
-		kmem_zone_init_flags(sizeof(xfs_inode_log_item_t), "xfs_ili",
-					KM_ZONE_SPREAD, NULL);
+		kmem_zone_init_flags(sizeof(struct xfs_inode_log_item),
+					"xfs_ili", KM_ZONE_SPREAD, NULL);
 	if (!xfs_ili_zone)
 		goto out_destroy_inode_zone;
 	xfs_icreate_zone = kmem_zone_init(sizeof(struct xfs_icreate_item),
diff --git a/fs/xfs/xfs_trace.h b/fs/xfs/xfs_trace.h
index f94908125e8f9..4b58183954064 100644
--- a/fs/xfs/xfs_trace.h
+++ b/fs/xfs/xfs_trace.h
@@ -2418,6 +2418,7 @@ DEFINE_DEFER_PENDING_EVENT(xfs_defer_create_intent);
 DEFINE_DEFER_PENDING_EVENT(xfs_defer_cancel_list);
 DEFINE_DEFER_PENDING_EVENT(xfs_defer_pending_finish);
 DEFINE_DEFER_PENDING_EVENT(xfs_defer_pending_abort);
+DEFINE_DEFER_PENDING_EVENT(xfs_defer_relog_intent);
 
 #define DEFINE_BMAP_FREE_DEFERRED_EVENT DEFINE_PHYS_EXTENT_DEFERRED_EVENT
 DEFINE_BMAP_FREE_DEFERRED_EVENT(xfs_bmap_free_defer);
diff --git a/fs/xfs/xfs_trans.h b/fs/xfs/xfs_trans.h
index 64d7f171ebd32..941647027f00f 100644
--- a/fs/xfs/xfs_trans.h
+++ b/fs/xfs/xfs_trans.h
@@ -77,6 +77,8 @@ struct xfs_item_ops {
 	void (*iop_release)(struct xfs_log_item *);
 	xfs_lsn_t (*iop_committed)(struct xfs_log_item *, xfs_lsn_t);
 	void (*iop_error)(struct xfs_log_item *, xfs_buf_t *);
+	struct xfs_log_item *(*iop_relog)(struct xfs_log_item *intent,
+			struct xfs_trans *tp);
 };
 
 /*
@@ -244,4 +246,12 @@ void		xfs_trans_buf_copy_type(struct xfs_buf *dst_bp,
 
 extern kmem_zone_t	*xfs_trans_zone;
 
+static inline struct xfs_log_item *
+xfs_trans_item_relog(
+	struct xfs_log_item	*lip,
+	struct xfs_trans	*tp)
+{
+	return lip->li_ops->iop_relog(lip, tp);
+}
+
 #endif	/* __XFS_TRANS_H__ */
diff --git a/include/linux/hugetlb.h b/include/linux/hugetlb.h
index c7507135c2a05..311dd8e921826 100644
--- a/include/linux/hugetlb.h
+++ b/include/linux/hugetlb.h
@@ -7,6 +7,7 @@
 #include <linux/fs.h>
 #include <linux/hugetlb_inline.h>
 #include <linux/cgroup.h>
+#include <linux/page_ref.h>
 #include <linux/list.h>
 #include <linux/kref.h>
 #include <asm/pgtable.h>
@@ -396,7 +397,10 @@ static inline struct hstate *hstate_sizelog(int page_size_log)
 	if (!page_size_log)
 		return &default_hstate;
 
-	return size_to_hstate(1UL << page_size_log);
+	if (page_size_log < BITS_PER_LONG)
+		return size_to_hstate(1UL << page_size_log);
+
+	return NULL;
 }
 
 static inline struct hstate *hstate_vma(struct vm_area_struct *vma)
@@ -744,4 +748,16 @@ static inline spinlock_t *huge_pte_lock(struct hstate *h,
 	return ptl;
 }
 
+#ifdef CONFIG_ARCH_WANT_HUGE_PMD_SHARE
+static inline bool hugetlb_pmd_shared(pte_t *pte)
+{
+	return page_count(virt_to_page(pte)) > 1;
+}
+#else
+static inline bool hugetlb_pmd_shared(pte_t *pte)
+{
+	return false;
+}
+#endif
+
 #endif /* _LINUX_HUGETLB_H */
diff --git a/include/linux/iommu.h b/include/linux/iommu.h
index 29bac5345563a..6ca3fb2873d7d 100644
--- a/include/linux/iommu.h
+++ b/include/linux/iommu.h
@@ -256,7 +256,7 @@ struct iommu_ops {
 	int (*attach_dev)(struct iommu_domain *domain, struct device *dev);
 	void (*detach_dev)(struct iommu_domain *domain, struct device *dev);
 	int (*map)(struct iommu_domain *domain, unsigned long iova,
-		   phys_addr_t paddr, size_t size, int prot);
+		   phys_addr_t paddr, size_t size, int prot, gfp_t gfp);
 	size_t (*unmap)(struct iommu_domain *domain, unsigned long iova,
 		     size_t size, struct iommu_iotlb_gather *iotlb_gather);
 	void (*flush_iotlb_all)(struct iommu_domain *domain);
@@ -421,6 +421,8 @@ extern struct iommu_domain *iommu_get_domain_for_dev(struct device *dev);
 extern struct iommu_domain *iommu_get_dma_domain(struct device *dev);
 extern int iommu_map(struct iommu_domain *domain, unsigned long iova,
 		     phys_addr_t paddr, size_t size, int prot);
+extern int iommu_map_atomic(struct iommu_domain *domain, unsigned long iova,
+			    phys_addr_t paddr, size_t size, int prot);
 extern size_t iommu_unmap(struct iommu_domain *domain, unsigned long iova,
 			  size_t size);
 extern size_t iommu_unmap_fast(struct iommu_domain *domain,
@@ -428,6 +430,9 @@ extern size_t iommu_unmap_fast(struct iommu_domain *domain,
 			       struct iommu_iotlb_gather *iotlb_gather);
 extern size_t iommu_map_sg(struct iommu_domain *domain, unsigned long iova,
 			   struct scatterlist *sg,unsigned int nents, int prot);
+extern size_t iommu_map_sg_atomic(struct iommu_domain *domain,
+				  unsigned long iova, struct scatterlist *sg,
+				  unsigned int nents, int prot);
 extern phys_addr_t iommu_iova_to_phys(struct iommu_domain *domain, dma_addr_t iova);
 extern void iommu_set_fault_handler(struct iommu_domain *domain,
 			iommu_fault_handler_t handler, void *token);
@@ -662,6 +667,13 @@ static inline int iommu_map(struct iommu_domain *domain, unsigned long iova,
 	return -ENODEV;
 }
 
+static inline int iommu_map_atomic(struct iommu_domain *domain,
+				   unsigned long iova, phys_addr_t paddr,
+				   size_t size, int prot)
+{
+	return -ENODEV;
+}
+
 static inline size_t iommu_unmap(struct iommu_domain *domain,
 				 unsigned long iova, size_t size)
 {
@@ -682,6 +694,13 @@ static inline size_t iommu_map_sg(struct iommu_domain *domain,
 	return 0;
 }
 
+static inline size_t iommu_map_sg_atomic(struct iommu_domain *domain,
+				  unsigned long iova, struct scatterlist *sg,
+				  unsigned int nents, int prot)
+{
+	return 0;
+}
+
 static inline void iommu_flush_tlb_all(struct iommu_domain *domain)
 {
 }
diff --git a/include/linux/stmmac.h b/include/linux/stmmac.h
index 0b35747c9837a..88b107e20fc7c 100644
--- a/include/linux/stmmac.h
+++ b/include/linux/stmmac.h
@@ -178,6 +178,7 @@ struct plat_stmmacenet_data {
 	int rss_en;
 	int mac_port_sel_speed;
 	bool en_tx_lpi_clockgating;
+	bool rx_clk_runs_in_lpi;
 	int has_xgmac;
 	bool sph_disable;
 };
diff --git a/include/net/sock.h b/include/net/sock.h
index 5fa255b1e0a65..976433438c6f2 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -2167,6 +2167,19 @@ static inline __must_check bool skb_set_owner_sk_safe(struct sk_buff *skb, struc
 	return false;
 }
 
+static inline struct sk_buff *skb_clone_and_charge_r(struct sk_buff *skb, struct sock *sk)
+{
+	skb = skb_clone(skb, sk_gfp_mask(sk, GFP_ATOMIC));
+	if (skb) {
+		if (sk_rmem_schedule(sk, skb, skb->truesize)) {
+			skb_set_owner_r(skb, sk);
+			return skb;
+		}
+		__kfree_skb(skb);
+	}
+	return NULL;
+}
+
 void sk_reset_timer(struct sock *sk, struct timer_list *timer,
 		    unsigned long expires);
 
diff --git a/kernel/sched/psi.c b/kernel/sched/psi.c
index 9dd83eb74a9da..8c19a5438d0ee 100644
--- a/kernel/sched/psi.c
+++ b/kernel/sched/psi.c
@@ -1092,10 +1092,11 @@ void psi_trigger_destroy(struct psi_trigger *t)
 
 	group = t->group;
 	/*
-	 * Wakeup waiters to stop polling. Can happen if cgroup is deleted
-	 * from under a polling process.
+	 * Wakeup waiters to stop polling and clear the queue to prevent it from
+	 * being accessed later. Can happen if cgroup is deleted from under a
+	 * polling process.
 	 */
-	wake_up_interruptible(&t->event_wait);
+	wake_up_pollfree(&t->event_wait);
 
 	mutex_lock(&group->trigger_lock);
 
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 8b87f1f74e325..306fbe14747bf 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -8298,9 +8298,6 @@ buffer_percent_write(struct file *filp, const char __user *ubuf,
 	if (val > 100)
 		return -EINVAL;
 
-	if (!val)
-		val = 1;
-
 	tr->buffer_percent = val;
 
 	(*ppos)++;
diff --git a/mm/memblock.c b/mm/memblock.c
index 84a14b63e9129..a75cc65f03307 100644
--- a/mm/memblock.c
+++ b/mm/memblock.c
@@ -1546,13 +1546,7 @@ void __init __memblock_free_late(phys_addr_t base, phys_addr_t size)
 	end = PFN_DOWN(base + size);
 
 	for (; cursor < end; cursor++) {
-		/*
-		 * Reserved pages are always initialized by the end of
-		 * memblock_free_all() (by memmap_init() and, if deferred
-		 * initialization is enabled, memmap_init_reserved_pages()), so
-		 * these pages can be released directly to the buddy allocator.
-		 */
-		__free_pages_core(pfn_to_page(cursor), 0);
+		memblock_free_pages(pfn_to_page(cursor), cursor, 0);
 		totalram_pages_inc();
 	}
 }
diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index f7b231f67156b..36c2a9619ba56 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -571,7 +571,8 @@ static int queue_pages_hugetlb(pte_t *pte, unsigned long hmask,
 		goto unlock;
 	/* With MPOL_MF_MOVE, we migrate only unshared hugepage. */
 	if (flags & (MPOL_MF_MOVE_ALL) ||
-	    (flags & MPOL_MF_MOVE && page_mapcount(page) == 1))
+	    (flags & MPOL_MF_MOVE && page_mapcount(page) == 1 &&
+	     !hugetlb_pmd_shared(pte)))
 		isolate_huge_page(page, qp->pagelist);
 unlock:
 	spin_unlock(ptl);
diff --git a/mm/swapfile.c b/mm/swapfile.c
index f6964212c6c8f..d6bdacaedc95c 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -1061,6 +1061,7 @@ start_over:
 			goto check_out;
 		pr_debug("scan_swap_map of si %d failed to find offset\n",
 			si->type);
+		cond_resched();
 
 		spin_lock(&swap_avail_lock);
 nextsi:
@@ -1950,10 +1951,14 @@ static int unuse_pte_range(struct vm_area_struct *vma, pmd_t *pmd,
 
 		pte_unmap(pte);
 		swap_map = &si->swap_map[offset];
-		vmf.vma = vma;
-		vmf.address = addr;
-		vmf.pmd = pmd;
-		page = swapin_readahead(entry, GFP_HIGHUSER_MOVABLE, &vmf);
+		page = lookup_swap_cache(entry, vma, addr);
+		if (!page) {
+			vmf.vma = vma;
+			vmf.address = addr;
+			vmf.pmd = pmd;
+			page = swapin_readahead(entry, GFP_HIGHUSER_MOVABLE,
+						&vmf);
+		}
 		if (!page) {
 			if (*swap_map == 0 || *swap_map == SWAP_MAP_BAD)
 				goto try_next;
diff --git a/net/bridge/br_netfilter_hooks.c b/net/bridge/br_netfilter_hooks.c
index 01e33724d10c3..43cb7aab4eed6 100644
--- a/net/bridge/br_netfilter_hooks.c
+++ b/net/bridge/br_netfilter_hooks.c
@@ -871,6 +871,7 @@ static unsigned int ip_sabotage_in(void *priv,
 	if (nf_bridge && !nf_bridge->in_prerouting &&
 	    !netif_is_l3_master(skb->dev) &&
 	    !netif_is_l3_slave(skb->dev)) {
+		nf_bridge_info_free(skb);
 		state->okfn(state->net, state->sk, skb);
 		return NF_STOLEN;
 	}
diff --git a/net/can/j1939/address-claim.c b/net/can/j1939/address-claim.c
index f33c473279278..ca4ad6cdd5cbf 100644
--- a/net/can/j1939/address-claim.c
+++ b/net/can/j1939/address-claim.c
@@ -165,6 +165,46 @@ static void j1939_ac_process(struct j1939_priv *priv, struct sk_buff *skb)
 	 * leaving this function.
 	 */
 	ecu = j1939_ecu_get_by_name_locked(priv, name);
+
+	if (ecu && ecu->addr == skcb->addr.sa) {
+		/* The ISO 11783-5 standard, in "4.5.2 - Address claim
+		 * requirements", states:
+		 *   d) No CF shall begin, or resume, transmission on the
+		 *      network until 250 ms after it has successfully claimed
+		 *      an address except when responding to a request for
+		 *      address-claimed.
+		 *
+		 * But "Figure 6" and "Figure 7" in "4.5.4.2 - Address-claim
+		 * prioritization" show that the CF begins the transmission
+		 * after 250 ms from the first AC (address-claimed) message
+		 * even if it sends another AC message during that time window
+		 * to resolve the address contention with another CF.
+		 *
+		 * As stated in "4.4.2.3 - Address-claimed message":
+		 *   In order to successfully claim an address, the CF sending
+		 *   an address claimed message shall not receive a contending
+		 *   claim from another CF for at least 250 ms.
+		 *
+		 * As stated in "4.4.3.2 - NAME management (NM) message":
+		 *   1) A commanding CF can
+		 *      d) request that a CF with a specified NAME transmit
+		 *         the address-claimed message with its current NAME.
+		 *   2) A target CF shall
+		 *      d) send an address-claimed message in response to a
+		 *         request for a matching NAME
+		 *
+		 * Taking the above arguments into account, the 250 ms wait is
+		 * requested only during network initialization.
+		 *
+		 * Do not restart the timer on AC message if both the NAME and
+		 * the address match and so if the address has already been
+		 * claimed (timer has expired) or the AC message has been sent
+		 * to resolve the contention with another CF (timer is still
+		 * running).
+		 */
+		goto out_ecu_put;
+	}
+
 	if (!ecu && j1939_address_is_unicast(skcb->addr.sa))
 		ecu = j1939_ecu_create_locked(priv, name);
 
diff --git a/net/can/j1939/transport.c b/net/can/j1939/transport.c
index 9ca19dfe3e839..9c8c7c5dc9c36 100644
--- a/net/can/j1939/transport.c
+++ b/net/can/j1939/transport.c
@@ -1087,10 +1087,6 @@ static bool j1939_session_deactivate(struct j1939_session *session)
 	bool active;
 
 	j1939_session_list_lock(priv);
-	/* This function should be called with a session ref-count of at
-	 * least 2.
-	 */
-	WARN_ON_ONCE(kref_read(&session->kref) < 2);
 	active = j1939_session_deactivate_locked(session);
 	j1939_session_list_unlock(priv);
 
diff --git a/net/core/dev.c b/net/core/dev.c
index 296bed9431f3b..615cdaac3e729 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -9467,7 +9467,7 @@ void netdev_stats_to_stats64(struct rtnl_link_stats64 *stats64,
 
 	BUILD_BUG_ON(n > sizeof(*stats64) / sizeof(u64));
 	for (i = 0; i < n; i++)
-		dst[i] = atomic_long_read(&src[i]);
+		dst[i] = (unsigned long)atomic_long_read(&src[i]);
 	/* zero out counters that only exist in rtnl_link_stats64 */
 	memset((char *)stats64 + n * sizeof(u64), 0,
 	       sizeof(*stats64) - n * sizeof(u64));
diff --git a/net/core/filter.c b/net/core/filter.c
index 71fcb4e7edae4..051b9710d7b5e 100644
--- a/net/core/filter.c
+++ b/net/core/filter.c
@@ -4617,7 +4617,6 @@ static int bpf_fib_set_fwd_params(struct bpf_fib_lookup *params,
 	memcpy(params->smac, dev->dev_addr, ETH_ALEN);
 	params->h_vlan_TCI = 0;
 	params->h_vlan_proto = 0;
-	params->ifindex = dev->ifindex;
 
 	return 0;
 }
@@ -4714,6 +4713,7 @@ static int bpf_ipv4_fib_lookup(struct net *net, struct bpf_fib_lookup *params,
 	dev = nhc->nhc_dev;
 
 	params->rt_metric = res.fi->fib_priority;
+	params->ifindex = dev->ifindex;
 
 	/* xdp and cls_bpf programs are run in RCU-bh so
 	 * rcu_read_lock_bh is not needed here
@@ -4839,6 +4839,7 @@ static int bpf_ipv6_fib_lookup(struct net *net, struct bpf_fib_lookup *params,
 
 	dev = res.nh->fib_nh_dev;
 	params->rt_metric = res.f6i->fib6_metric;
+	params->ifindex = dev->ifindex;
 
 	/* xdp and cls_bpf programs are run in RCU-bh so rcu_read_lock_bh is
 	 * not needed here.
diff --git a/net/dccp/ipv6.c b/net/dccp/ipv6.c
index 1bf267d36a9c8..c2844fb442c4f 100644
--- a/net/dccp/ipv6.c
+++ b/net/dccp/ipv6.c
@@ -541,11 +541,9 @@ static struct sock *dccp_v6_request_recv_sock(const struct sock *sk,
 	*own_req = inet_ehash_nolisten(newsk, req_to_sk(req_unhash), NULL);
 	/* Clone pktoptions received with SYN, if we own the req */
 	if (*own_req && ireq->pktopts) {
-		newnp->pktoptions = skb_clone(ireq->pktopts, GFP_ATOMIC);
+		newnp->pktoptions = skb_clone_and_charge_r(ireq->pktopts, newsk);
 		consume_skb(ireq->pktopts);
 		ireq->pktopts = NULL;
-		if (newnp->pktoptions)
-			skb_set_owner_r(newnp->pktoptions, newsk);
 	}
 
 	return newsk;
@@ -605,7 +603,7 @@ static int dccp_v6_do_rcv(struct sock *sk, struct sk_buff *skb)
 					       --ANK (980728)
 	 */
 	if (np->rxopt.all)
-		opt_skb = skb_clone(skb, GFP_ATOMIC);
+		opt_skb = skb_clone_and_charge_r(skb, sk);
 
 	if (sk->sk_state == DCCP_OPEN) { /* Fast path */
 		if (dccp_rcv_established(sk, skb, dccp_hdr(skb), skb->len))
@@ -669,7 +667,6 @@ ipv6_pktoptions:
 			np->flow_label = ip6_flowlabel(ipv6_hdr(opt_skb));
 		if (ipv6_opt_accepted(sk, opt_skb,
 				      &DCCP_SKB_CB(opt_skb)->header.h6)) {
-			skb_set_owner_r(opt_skb, sk);
 			memmove(IP6CB(opt_skb),
 				&DCCP_SKB_CB(opt_skb)->header.h6,
 				sizeof(struct inet6_skb_parm));
diff --git a/net/ipv6/datagram.c b/net/ipv6/datagram.c
index 390bedde21a56..06261603e083b 100644
--- a/net/ipv6/datagram.c
+++ b/net/ipv6/datagram.c
@@ -50,7 +50,7 @@ static void ip6_datagram_flow_key_init(struct flowi6 *fl6, struct sock *sk)
 	fl6->flowi6_mark = sk->sk_mark;
 	fl6->fl6_dport = inet->inet_dport;
 	fl6->fl6_sport = inet->inet_sport;
-	fl6->flowlabel = np->flow_label;
+	fl6->flowlabel = ip6_make_flowinfo(np->tclass, np->flow_label);
 	fl6->flowi6_uid = sk->sk_uid;
 
 	if (!fl6->flowi6_oif)
diff --git a/net/ipv6/tcp_ipv6.c b/net/ipv6/tcp_ipv6.c
index e84b79357b2ff..da8611a75d2aa 100644
--- a/net/ipv6/tcp_ipv6.c
+++ b/net/ipv6/tcp_ipv6.c
@@ -264,6 +264,7 @@ static int tcp_v6_connect(struct sock *sk, struct sockaddr *uaddr,
 	fl6.flowi6_proto = IPPROTO_TCP;
 	fl6.daddr = sk->sk_v6_daddr;
 	fl6.saddr = saddr ? *saddr : np->saddr;
+	fl6.flowlabel = ip6_make_flowinfo(np->tclass, np->flow_label);
 	fl6.flowi6_oif = sk->sk_bound_dev_if;
 	fl6.flowi6_mark = sk->sk_mark;
 	fl6.fl6_dport = usin->sin6_port;
@@ -1318,14 +1319,11 @@ static struct sock *tcp_v6_syn_recv_sock(const struct sock *sk, struct sk_buff *
 
 		/* Clone pktoptions received with SYN, if we own the req */
 		if (ireq->pktopts) {
-			newnp->pktoptions = skb_clone(ireq->pktopts,
-						      sk_gfp_mask(sk, GFP_ATOMIC));
+			newnp->pktoptions = skb_clone_and_charge_r(ireq->pktopts, newsk);
 			consume_skb(ireq->pktopts);
 			ireq->pktopts = NULL;
-			if (newnp->pktoptions) {
+			if (newnp->pktoptions)
 				tcp_v6_restore_cb(newnp->pktoptions);
-				skb_set_owner_r(newnp->pktoptions, newsk);
-			}
 		}
 	} else {
 		if (!req_unhash && found_dup_sk) {
@@ -1393,7 +1391,7 @@ static int tcp_v6_do_rcv(struct sock *sk, struct sk_buff *skb)
 					       --ANK (980728)
 	 */
 	if (np->rxopt.all)
-		opt_skb = skb_clone(skb, sk_gfp_mask(sk, GFP_ATOMIC));
+		opt_skb = skb_clone_and_charge_r(skb, sk);
 
 	if (sk->sk_state == TCP_ESTABLISHED) { /* Fast path */
 		struct dst_entry *dst;
@@ -1475,7 +1473,6 @@ ipv6_pktoptions:
 		if (np->repflow)
 			np->flow_label = ip6_flowlabel(ipv6_hdr(opt_skb));
 		if (ipv6_opt_accepted(sk, opt_skb, &TCP_SKB_CB(opt_skb)->header.h6)) {
-			skb_set_owner_r(opt_skb, sk);
 			tcp_v6_restore_cb(opt_skb);
 			opt_skb = xchg(&np->pktoptions, opt_skb);
 		} else {
diff --git a/net/mpls/af_mpls.c b/net/mpls/af_mpls.c
index d5e3656fc67ca..3a55a392e0218 100644
--- a/net/mpls/af_mpls.c
+++ b/net/mpls/af_mpls.c
@@ -1428,6 +1428,7 @@ static int mpls_dev_sysctl_register(struct net_device *dev,
 free:
 	kfree(table);
 out:
+	mdev->sysctl = NULL;
 	return -ENOBUFS;
 }
 
@@ -1437,6 +1438,9 @@ static void mpls_dev_sysctl_unregister(struct net_device *dev,
 	struct net *net = dev_net(dev);
 	struct ctl_table *table;
 
+	if (!mdev->sysctl)
+		return;
+
 	table = mdev->sysctl->ctl_table_arg;
 	unregister_net_sysctl_table(mdev->sysctl);
 	kfree(table);
diff --git a/net/netfilter/nft_tproxy.c b/net/netfilter/nft_tproxy.c
index b97ab1198b03f..a0e30bf4a845c 100644
--- a/net/netfilter/nft_tproxy.c
+++ b/net/netfilter/nft_tproxy.c
@@ -289,6 +289,13 @@ static int nft_tproxy_dump(struct sk_buff *skb,
 	return 0;
 }
 
+static int nft_tproxy_validate(const struct nft_ctx *ctx,
+			       const struct nft_expr *expr,
+			       const struct nft_data **data)
+{
+	return nft_chain_validate_hooks(ctx->chain, 1 << NF_INET_PRE_ROUTING);
+}
+
 static struct nft_expr_type nft_tproxy_type;
 static const struct nft_expr_ops nft_tproxy_ops = {
 	.type		= &nft_tproxy_type,
@@ -296,6 +303,7 @@ static const struct nft_expr_ops nft_tproxy_ops = {
 	.eval		= nft_tproxy_eval,
 	.init		= nft_tproxy_init,
 	.dump		= nft_tproxy_dump,
+	.validate	= nft_tproxy_validate,
 };
 
 static struct nft_expr_type nft_tproxy_type __read_mostly = {
diff --git a/net/netrom/af_netrom.c b/net/netrom/af_netrom.c
index 58d5373c513c7..7da77ddba5f4d 100644
--- a/net/netrom/af_netrom.c
+++ b/net/netrom/af_netrom.c
@@ -378,6 +378,11 @@ static int nr_listen(struct socket *sock, int backlog)
 	struct sock *sk = sock->sk;
 
 	lock_sock(sk);
+	if (sock->state != SS_UNCONNECTED) {
+		release_sock(sk);
+		return -EINVAL;
+	}
+
 	if (sk->sk_state != TCP_LISTEN) {
 		memset(&nr_sk(sk)->user_addr, 0, AX25_ADDR_LEN);
 		sk->sk_max_ack_backlog = backlog;
diff --git a/net/openvswitch/datapath.c b/net/openvswitch/datapath.c
index a8a8396dd9838..4c537e74b18c7 100644
--- a/net/openvswitch/datapath.c
+++ b/net/openvswitch/datapath.c
@@ -941,14 +941,14 @@ static int ovs_flow_cmd_new(struct sk_buff *skb, struct genl_info *info)
 	key = kzalloc(sizeof(*key), GFP_KERNEL);
 	if (!key) {
 		error = -ENOMEM;
-		goto err_kfree_key;
+		goto err_kfree_flow;
 	}
 
 	ovs_match_init(&match, key, false, &mask);
 	error = ovs_nla_get_match(net, &match, a[OVS_FLOW_ATTR_KEY],
 				  a[OVS_FLOW_ATTR_MASK], log);
 	if (error)
-		goto err_kfree_flow;
+		goto err_kfree_key;
 
 	ovs_flow_mask_key(&new_flow->key, key, true, &mask);
 
@@ -956,14 +956,14 @@ static int ovs_flow_cmd_new(struct sk_buff *skb, struct genl_info *info)
 	error = ovs_nla_get_identifier(&new_flow->id, a[OVS_FLOW_ATTR_UFID],
 				       key, log);
 	if (error)
-		goto err_kfree_flow;
+		goto err_kfree_key;
 
 	/* Validate actions. */
 	error = ovs_nla_copy_actions(net, a[OVS_FLOW_ATTR_ACTIONS],
 				     &new_flow->key, &acts, log);
 	if (error) {
 		OVS_NLERR(log, "Flow actions may not be safe on all matching packets.");
-		goto err_kfree_flow;
+		goto err_kfree_key;
 	}
 
 	reply = ovs_flow_cmd_alloc_info(acts, &new_flow->id, info, false,
@@ -1063,10 +1063,10 @@ err_unlock_ovs:
 	kfree_skb(reply);
 err_kfree_acts:
 	ovs_nla_free_flow_actions(acts);
-err_kfree_flow:
-	ovs_flow_free(new_flow, false);
 err_kfree_key:
 	kfree(key);
+err_kfree_flow:
+	ovs_flow_free(new_flow, false);
 error:
 	return error;
 }
diff --git a/net/rds/message.c b/net/rds/message.c
index 92b6b22884d4c..be6a0a073b12a 100644
--- a/net/rds/message.c
+++ b/net/rds/message.c
@@ -104,9 +104,9 @@ static void rds_rm_zerocopy_callback(struct rds_sock *rs,
 	spin_lock_irqsave(&q->lock, flags);
 	head = &q->zcookie_head;
 	if (!list_empty(head)) {
-		info = list_entry(head, struct rds_msg_zcopy_info,
-				  rs_zcookie_next);
-		if (info && rds_zcookie_add(info, cookie)) {
+		info = list_first_entry(head, struct rds_msg_zcopy_info,
+					rs_zcookie_next);
+		if (rds_zcookie_add(info, cookie)) {
 			spin_unlock_irqrestore(&q->lock, flags);
 			kfree(rds_info_from_znotifier(znotif));
 			/* caller invokes rds_wake_sk_sleep() */
diff --git a/net/rose/af_rose.c b/net/rose/af_rose.c
index 95dda29058a0e..6fb158172ddc2 100644
--- a/net/rose/af_rose.c
+++ b/net/rose/af_rose.c
@@ -465,6 +465,12 @@ static int rose_listen(struct socket *sock, int backlog)
 {
 	struct sock *sk = sock->sk;
 
+	lock_sock(sk);
+	if (sock->state != SS_UNCONNECTED) {
+		release_sock(sk);
+		return -EINVAL;
+	}
+
 	if (sk->sk_state != TCP_LISTEN) {
 		struct rose_sock *rose = rose_sk(sk);
 
@@ -474,8 +480,10 @@ static int rose_listen(struct socket *sock, int backlog)
 		memset(rose->dest_digis, 0, AX25_ADDR_LEN * ROSE_MAX_DIGIS);
 		sk->sk_max_ack_backlog = backlog;
 		sk->sk_state           = TCP_LISTEN;
+		release_sock(sk);
 		return 0;
 	}
+	release_sock(sk);
 
 	return -EOPNOTSUPP;
 }
diff --git a/net/sched/sch_htb.c b/net/sched/sch_htb.c
index 8184c87da8bec..27cb82b6237da 100644
--- a/net/sched/sch_htb.c
+++ b/net/sched/sch_htb.c
@@ -405,7 +405,10 @@ static void htb_activate_prios(struct htb_sched *q, struct htb_class *cl)
 	while (cl->cmode == HTB_MAY_BORROW && p && mask) {
 		m = mask;
 		while (m) {
-			int prio = ffz(~m);
+			unsigned int prio = ffz(~m);
+
+			if (WARN_ON_ONCE(prio >= ARRAY_SIZE(p->inner.clprio)))
+				break;
 			m &= ~(1 << prio);
 
 			if (p->inner.clprio[prio].feed.rb_node)
diff --git a/net/sctp/diag.c b/net/sctp/diag.c
index 5a918e74bb82b..2d0318a7352c2 100644
--- a/net/sctp/diag.c
+++ b/net/sctp/diag.c
@@ -349,11 +349,9 @@ static int sctp_sock_filter(struct sctp_endpoint *ep, struct sctp_transport *tsp
 	struct sctp_comm_param *commp = p;
 	struct sock *sk = ep->base.sk;
 	const struct inet_diag_req_v2 *r = commp->r;
-	struct sctp_association *assoc =
-		list_entry(ep->asocs.next, struct sctp_association, asocs);
 
 	/* find the ep only once through the transports by this condition */
-	if (tsp->asoc != assoc)
+	if (!list_is_first(&tsp->asoc->asocs, &ep->asocs))
 		return 0;
 
 	if (r->sdiag_family != AF_UNSPEC && sk->sk_family != r->sdiag_family)
diff --git a/net/sunrpc/xprtrdma/verbs.c b/net/sunrpc/xprtrdma/verbs.c
index 0f4d39fdb48f2..cfae1a871578f 100644
--- a/net/sunrpc/xprtrdma/verbs.c
+++ b/net/sunrpc/xprtrdma/verbs.c
@@ -1034,9 +1034,9 @@ struct rpcrdma_req *rpcrdma_req_create(struct rpcrdma_xprt *r_xprt, size_t size,
 	return req;
 
 out4:
-	kfree(req->rl_sendbuf);
+	rpcrdma_regbuf_free(req->rl_sendbuf);
 out3:
-	kfree(req->rl_rdmabuf);
+	rpcrdma_regbuf_free(req->rl_rdmabuf);
 out2:
 	kfree(req);
 out1:
diff --git a/net/x25/af_x25.c b/net/x25/af_x25.c
index c94aa587e0c92..43dd489ad6db9 100644
--- a/net/x25/af_x25.c
+++ b/net/x25/af_x25.c
@@ -492,6 +492,12 @@ static int x25_listen(struct socket *sock, int backlog)
 	int rc = -EOPNOTSUPP;
 
 	lock_sock(sk);
+	if (sock->state != SS_UNCONNECTED) {
+		rc = -EINVAL;
+		release_sock(sk);
+		return rc;
+	}
+
 	if (sk->sk_state != TCP_LISTEN) {
 		memset(&x25_sk(sk)->dest_addr, 0, X25_ADDR_LEN);
 		sk->sk_max_ack_backlog = backlog;
diff --git a/net/xfrm/xfrm_input.c b/net/xfrm/xfrm_input.c
index e120df0a6da13..4d8d7cf3d1994 100644
--- a/net/xfrm/xfrm_input.c
+++ b/net/xfrm/xfrm_input.c
@@ -274,8 +274,7 @@ static int xfrm6_remove_tunnel_encap(struct xfrm_state *x, struct sk_buff *skb)
 		goto out;
 
 	if (x->props.flags & XFRM_STATE_DECAP_DSCP)
-		ipv6_copy_dscp(ipv6_get_dsfield(ipv6_hdr(skb)),
-			       ipipv6_hdr(skb));
+		ipv6_copy_dscp(XFRM_MODE_SKB_CB(skb)->tos, ipipv6_hdr(skb));
 	if (!(x->props.flags & XFRM_STATE_NOECN))
 		ipip6_ecn_decapsulate(skb);
 
diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c
index d181dc31cd8d6..51f65d634a15e 100644
--- a/sound/pci/hda/patch_conexant.c
+++ b/sound/pci/hda/patch_conexant.c
@@ -1093,6 +1093,7 @@ static const struct hda_device_id snd_hda_id_conexant[] = {
 	HDA_CODEC_ENTRY(0x14f11f86, "CX8070", patch_conexant_auto),
 	HDA_CODEC_ENTRY(0x14f12008, "CX8200", patch_conexant_auto),
 	HDA_CODEC_ENTRY(0x14f120d0, "CX11970", patch_conexant_auto),
+	HDA_CODEC_ENTRY(0x14f120d1, "SN6180", patch_conexant_auto),
 	HDA_CODEC_ENTRY(0x14f15045, "CX20549 (Venice)", patch_conexant_auto),
 	HDA_CODEC_ENTRY(0x14f15047, "CX20551 (Waikiki)", patch_conexant_auto),
 	HDA_CODEC_ENTRY(0x14f15051, "CX20561 (Hermosa)", patch_conexant_auto),
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 413d4886f3d28..75c1645dd5c14 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -770,7 +770,7 @@ do_sku:
 			alc_setup_gpio(codec, 0x02);
 			break;
 		case 7:
-			alc_setup_gpio(codec, 0x03);
+			alc_setup_gpio(codec, 0x04);
 			break;
 		case 5:
 		default:
diff --git a/sound/pci/hda/patch_via.c b/sound/pci/hda/patch_via.c
index 3edb4e25797de..4a74ccf7cf3e6 100644
--- a/sound/pci/hda/patch_via.c
+++ b/sound/pci/hda/patch_via.c
@@ -821,6 +821,9 @@ static int add_secret_dac_path(struct hda_codec *codec)
 		return 0;
 	nums = snd_hda_get_connections(codec, spec->gen.mixer_nid, conn,
 				       ARRAY_SIZE(conn) - 1);
+	if (nums < 0)
+		return nums;
+
 	for (i = 0; i < nums; i++) {
 		if (get_wcaps_type(get_wcaps(codec, conn[i])) == AC_WID_AUD_OUT)
 			return 0;
diff --git a/sound/pci/lx6464es/lx_core.c b/sound/pci/lx6464es/lx_core.c
index dd3a873777eb5..00975e86473c5 100644
--- a/sound/pci/lx6464es/lx_core.c
+++ b/sound/pci/lx6464es/lx_core.c
@@ -493,12 +493,11 @@ int lx_buffer_ask(struct lx6464es *chip, u32 pipe, int is_capture,
 		dev_dbg(chip->card->dev,
 			"CMD_08_ASK_BUFFERS: needed %d, freed %d\n",
 			    *r_needed, *r_freed);
-		for (i = 0; i < MAX_STREAM_BUFFER; ++i) {
-			for (i = 0; i != chip->rmh.stat_len; ++i)
-				dev_dbg(chip->card->dev,
-					"  stat[%d]: %x, %x\n", i,
-					    chip->rmh.stat[i],
-					    chip->rmh.stat[i] & MASK_DATA_SIZE);
+		for (i = 0; i < MAX_STREAM_BUFFER && i < chip->rmh.stat_len;
+		     ++i) {
+			dev_dbg(chip->card->dev, "  stat[%d]: %x, %x\n", i,
+				chip->rmh.stat[i],
+				chip->rmh.stat[i] & MASK_DATA_SIZE);
 		}
 	}
 
diff --git a/sound/soc/codecs/cs42l56.c b/sound/soc/codecs/cs42l56.c
index 8be7d83f0ce9a..732405587c5a4 100644
--- a/sound/soc/codecs/cs42l56.c
+++ b/sound/soc/codecs/cs42l56.c
@@ -1192,18 +1192,12 @@ static int cs42l56_i2c_probe(struct i2c_client *i2c_client,
 	if (pdata) {
 		cs42l56->pdata = *pdata;
 	} else {
-		pdata = devm_kzalloc(&i2c_client->dev, sizeof(*pdata),
-				     GFP_KERNEL);
-		if (!pdata)
-			return -ENOMEM;
-
 		if (i2c_client->dev.of_node) {
 			ret = cs42l56_handle_of_data(i2c_client,
 						     &cs42l56->pdata);
 			if (ret != 0)
 				return ret;
 		}
-		cs42l56->pdata = *pdata;
 	}
 
 	if (cs42l56->pdata.gpio_nreset) {
diff --git a/sound/soc/intel/boards/bytcr_rt5651.c b/sound/soc/intel/boards/bytcr_rt5651.c
index 921c09cdb4800..0c1c8628b9917 100644
--- a/sound/soc/intel/boards/bytcr_rt5651.c
+++ b/sound/soc/intel/boards/bytcr_rt5651.c
@@ -919,7 +919,6 @@ static int snd_byt_rt5651_mc_probe(struct platform_device *pdev)
 	if (adev) {
 		snprintf(byt_rt5651_codec_name, sizeof(byt_rt5651_codec_name),
 			 "i2c-%s", acpi_dev_name(adev));
-		put_device(&adev->dev);
 		byt_rt5651_dais[dai_index].codecs->name = byt_rt5651_codec_name;
 	} else {
 		dev_err(&pdev->dev, "Error cannot find '%s' dev\n", mach->id);
@@ -928,6 +927,7 @@ static int snd_byt_rt5651_mc_probe(struct platform_device *pdev)
 
 	codec_dev = bus_find_device_by_name(&i2c_bus_type, NULL,
 					    byt_rt5651_codec_name);
+	acpi_dev_put(adev);
 	if (!codec_dev)
 		return -EPROBE_DEFER;
 
diff --git a/sound/soc/sof/intel/hda-dai.c b/sound/soc/sof/intel/hda-dai.c
index b3cdd10c83ae1..c30e450fa9702 100644
--- a/sound/soc/sof/intel/hda-dai.c
+++ b/sound/soc/sof/intel/hda-dai.c
@@ -211,6 +211,10 @@ static int hda_link_hw_params(struct snd_pcm_substream *substream,
 	int stream_tag;
 	int ret;
 
+	link = snd_hdac_ext_bus_get_link(bus, codec_dai->component->name);
+	if (!link)
+		return -EINVAL;
+
 	/* get stored dma data if resuming from system suspend */
 	link_dev = snd_soc_dai_get_dma_data(dai, substream);
 	if (!link_dev) {
@@ -231,10 +235,6 @@ static int hda_link_hw_params(struct snd_pcm_substream *substream,
 	if (ret < 0)
 		return ret;
 
-	link = snd_hdac_ext_bus_get_link(bus, codec_dai->component->name);
-	if (!link)
-		return -EINVAL;
-
 	/* set the stream tag in the codec dai dma params */
 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
 		snd_soc_dai_set_tdm_slot(codec_dai, stream_tag, 0, 0, 0);
diff --git a/sound/synth/emux/emux_nrpn.c b/sound/synth/emux/emux_nrpn.c
index 1ac22676d4648..641dc02ff709e 100644
--- a/sound/synth/emux/emux_nrpn.c
+++ b/sound/synth/emux/emux_nrpn.c
@@ -349,6 +349,9 @@ int
 snd_emux_xg_control(struct snd_emux_port *port, struct snd_midi_channel *chan,
 		    int param)
 {
+	if (param >= ARRAY_SIZE(chan->control))
+		return -EINVAL;
+
 	return send_converted_effect(xg_effects, ARRAY_SIZE(xg_effects),
 				     port, chan, param,
 				     chan->control[param],
diff --git a/tools/testing/selftests/bpf/verifier/search_pruning.c b/tools/testing/selftests/bpf/verifier/search_pruning.c
index 7e50cb80873a5..7e36078f8f482 100644
--- a/tools/testing/selftests/bpf/verifier/search_pruning.c
+++ b/tools/testing/selftests/bpf/verifier/search_pruning.c
@@ -154,3 +154,39 @@
 	.result_unpriv = ACCEPT,
 	.insn_processed = 15,
 },
+/* The test performs a conditional 64-bit write to a stack location
+ * fp[-8], this is followed by an unconditional 8-bit write to fp[-8],
+ * then data is read from fp[-8]. This sequence is unsafe.
+ *
+ * The test would be mistakenly marked as safe w/o dst register parent
+ * preservation in verifier.c:copy_register_state() function.
+ *
+ * Note the usage of BPF_F_TEST_STATE_FREQ to force creation of the
+ * checkpoint state after conditional 64-bit assignment.
+ */
+{
+	"write tracking and register parent chain bug",
+	.insns = {
+	/* r6 = ktime_get_ns() */
+	BPF_EMIT_CALL(BPF_FUNC_ktime_get_ns),
+	BPF_MOV64_REG(BPF_REG_6, BPF_REG_0),
+	/* r0 = ktime_get_ns() */
+	BPF_EMIT_CALL(BPF_FUNC_ktime_get_ns),
+	/* if r0 > r6 goto +1 */
+	BPF_JMP_REG(BPF_JGT, BPF_REG_0, BPF_REG_6, 1),
+	/* *(u64 *)(r10 - 8) = 0xdeadbeef */
+	BPF_ST_MEM(BPF_DW, BPF_REG_FP, -8, 0xdeadbeef),
+	/* r1 = 42 */
+	BPF_MOV64_IMM(BPF_REG_1, 42),
+	/* *(u8 *)(r10 - 8) = r1 */
+	BPF_STX_MEM(BPF_B, BPF_REG_FP, BPF_REG_1, -8),
+	/* r2 = *(u64 *)(r10 - 8) */
+	BPF_LDX_MEM(BPF_DW, BPF_REG_2, BPF_REG_FP, -8),
+	/* exit(0) */
+	BPF_MOV64_IMM(BPF_REG_0, 0),
+	BPF_EXIT_INSN(),
+	},
+	.flags = BPF_F_TEST_STATE_FREQ,
+	.errstr = "invalid read from stack off -8+1 size 8",
+	.result = REJECT,
+},
diff --git a/tools/testing/selftests/net/fib_tests.sh b/tools/testing/selftests/net/fib_tests.sh
new file mode 100644
index 0000000000000..6986086035d6c
--- /dev/null
+++ b/tools/testing/selftests/net/fib_tests.sh
@@ -0,0 +1,1727 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-2.0
+
+# This test is for checking IPv4 and IPv6 FIB behavior in response to
+# different events.
+
+ret=0
+# Kselftest framework requirement - SKIP code is 4.
+ksft_skip=4
+
+# all tests in this script. Can be overridden with -t option
+TESTS="unregister down carrier nexthop suppress ipv6_rt ipv4_rt ipv6_addr_metric ipv4_addr_metric ipv6_route_metrics ipv4_route_metrics ipv4_route_v6_gw rp_filter"
+
+VERBOSE=0
+PAUSE_ON_FAIL=no
+PAUSE=no
+IP="ip -netns ns1"
+NS_EXEC="ip netns exec ns1"
+
+which ping6 > /dev/null 2>&1 && ping6=$(which ping6) || ping6=$(which ping)
+
+log_test()
+{
+	local rc=$1
+	local expected=$2
+	local msg="$3"
+
+	if [ ${rc} -eq ${expected} ]; then
+		printf "    TEST: %-60s  [ OK ]\n" "${msg}"
+		nsuccess=$((nsuccess+1))
+	else
+		ret=1
+		nfail=$((nfail+1))
+		printf "    TEST: %-60s  [FAIL]\n" "${msg}"
+		if [ "${PAUSE_ON_FAIL}" = "yes" ]; then
+		echo
+			echo "hit enter to continue, 'q' to quit"
+			read a
+			[ "$a" = "q" ] && exit 1
+		fi
+	fi
+
+	if [ "${PAUSE}" = "yes" ]; then
+		echo
+		echo "hit enter to continue, 'q' to quit"
+		read a
+		[ "$a" = "q" ] && exit 1
+	fi
+}
+
+setup()
+{
+	set -e
+	ip netns add ns1
+	ip netns set ns1 auto
+	$IP link set dev lo up
+	ip netns exec ns1 sysctl -qw net.ipv4.ip_forward=1
+	ip netns exec ns1 sysctl -qw net.ipv6.conf.all.forwarding=1
+
+	$IP link add dummy0 type dummy
+	$IP link set dev dummy0 up
+	$IP address add 198.51.100.1/24 dev dummy0
+	$IP -6 address add 2001:db8:1::1/64 dev dummy0
+	set +e
+
+}
+
+cleanup()
+{
+	$IP link del dev dummy0 &> /dev/null
+	ip netns del ns1
+	ip netns del ns2 &> /dev/null
+}
+
+get_linklocal()
+{
+	local dev=$1
+	local addr
+
+	addr=$($IP -6 -br addr show dev ${dev} | \
+	awk '{
+		for (i = 3; i <= NF; ++i) {
+			if ($i ~ /^fe80/)
+				print $i
+		}
+	}'
+	)
+	addr=${addr/\/*}
+
+	[ -z "$addr" ] && return 1
+
+	echo $addr
+
+	return 0
+}
+
+fib_unreg_unicast_test()
+{
+	echo
+	echo "Single path route test"
+
+	setup
+
+	echo "    Start point"
+	$IP route get fibmatch 198.51.100.2 &> /dev/null
+	log_test $? 0 "IPv4 fibmatch"
+	$IP -6 route get fibmatch 2001:db8:1::2 &> /dev/null
+	log_test $? 0 "IPv6 fibmatch"
+
+	set -e
+	$IP link del dev dummy0
+	set +e
+
+	echo "    Nexthop device deleted"
+	$IP route get fibmatch 198.51.100.2 &> /dev/null
+	log_test $? 2 "IPv4 fibmatch - no route"
+	$IP -6 route get fibmatch 2001:db8:1::2 &> /dev/null
+	log_test $? 2 "IPv6 fibmatch - no route"
+
+	cleanup
+}
+
+fib_unreg_multipath_test()
+{
+
+	echo
+	echo "Multipath route test"
+
+	setup
+
+	set -e
+	$IP link add dummy1 type dummy
+	$IP link set dev dummy1 up
+	$IP address add 192.0.2.1/24 dev dummy1
+	$IP -6 address add 2001:db8:2::1/64 dev dummy1
+
+	$IP route add 203.0.113.0/24 \
+		nexthop via 198.51.100.2 dev dummy0 \
+		nexthop via 192.0.2.2 dev dummy1
+	$IP -6 route add 2001:db8:3::/64 \
+		nexthop via 2001:db8:1::2 dev dummy0 \
+		nexthop via 2001:db8:2::2 dev dummy1
+	set +e
+
+	echo "    Start point"
+	$IP route get fibmatch 203.0.113.1 &> /dev/null
+	log_test $? 0 "IPv4 fibmatch"
+	$IP -6 route get fibmatch 2001:db8:3::1 &> /dev/null
+	log_test $? 0 "IPv6 fibmatch"
+
+	set -e
+	$IP link del dev dummy0
+	set +e
+
+	echo "    One nexthop device deleted"
+	$IP route get fibmatch 203.0.113.1 &> /dev/null
+	log_test $? 2 "IPv4 - multipath route removed on delete"
+
+	$IP -6 route get fibmatch 2001:db8:3::1 &> /dev/null
+	# In IPv6 we do not flush the entire multipath route.
+	log_test $? 0 "IPv6 - multipath down to single path"
+
+	set -e
+	$IP link del dev dummy1
+	set +e
+
+	echo "    Second nexthop device deleted"
+	$IP -6 route get fibmatch 2001:db8:3::1 &> /dev/null
+	log_test $? 2 "IPv6 - no route"
+
+	cleanup
+}
+
+fib_unreg_test()
+{
+	fib_unreg_unicast_test
+	fib_unreg_multipath_test
+}
+
+fib_down_unicast_test()
+{
+	echo
+	echo "Single path, admin down"
+
+	setup
+
+	echo "    Start point"
+	$IP route get fibmatch 198.51.100.2 &> /dev/null
+	log_test $? 0 "IPv4 fibmatch"
+	$IP -6 route get fibmatch 2001:db8:1::2 &> /dev/null
+	log_test $? 0 "IPv6 fibmatch"
+
+	set -e
+	$IP link set dev dummy0 down
+	set +e
+
+	echo "    Route deleted on down"
+	$IP route get fibmatch 198.51.100.2 &> /dev/null
+	log_test $? 2 "IPv4 fibmatch"
+	$IP -6 route get fibmatch 2001:db8:1::2 &> /dev/null
+	log_test $? 2 "IPv6 fibmatch"
+
+	cleanup
+}
+
+fib_down_multipath_test_do()
+{
+	local down_dev=$1
+	local up_dev=$2
+
+	$IP route get fibmatch 203.0.113.1 \
+		oif $down_dev &> /dev/null
+	log_test $? 2 "IPv4 fibmatch on down device"
+	$IP -6 route get fibmatch 2001:db8:3::1 \
+		oif $down_dev &> /dev/null
+	log_test $? 2 "IPv6 fibmatch on down device"
+
+	$IP route get fibmatch 203.0.113.1 \
+		oif $up_dev &> /dev/null
+	log_test $? 0 "IPv4 fibmatch on up device"
+	$IP -6 route get fibmatch 2001:db8:3::1 \
+		oif $up_dev &> /dev/null
+	log_test $? 0 "IPv6 fibmatch on up device"
+
+	$IP route get fibmatch 203.0.113.1 | \
+		grep $down_dev | grep -q "dead linkdown"
+	log_test $? 0 "IPv4 flags on down device"
+	$IP -6 route get fibmatch 2001:db8:3::1 | \
+		grep $down_dev | grep -q "dead linkdown"
+	log_test $? 0 "IPv6 flags on down device"
+
+	$IP route get fibmatch 203.0.113.1 | \
+		grep $up_dev | grep -q "dead linkdown"
+	log_test $? 1 "IPv4 flags on up device"
+	$IP -6 route get fibmatch 2001:db8:3::1 | \
+		grep $up_dev | grep -q "dead linkdown"
+	log_test $? 1 "IPv6 flags on up device"
+}
+
+fib_down_multipath_test()
+{
+	echo
+	echo "Admin down multipath"
+
+	setup
+
+	set -e
+	$IP link add dummy1 type dummy
+	$IP link set dev dummy1 up
+
+	$IP address add 192.0.2.1/24 dev dummy1
+	$IP -6 address add 2001:db8:2::1/64 dev dummy1
+
+	$IP route add 203.0.113.0/24 \
+		nexthop via 198.51.100.2 dev dummy0 \
+		nexthop via 192.0.2.2 dev dummy1
+	$IP -6 route add 2001:db8:3::/64 \
+		nexthop via 2001:db8:1::2 dev dummy0 \
+		nexthop via 2001:db8:2::2 dev dummy1
+	set +e
+
+	echo "    Verify start point"
+	$IP route get fibmatch 203.0.113.1 &> /dev/null
+	log_test $? 0 "IPv4 fibmatch"
+
+	$IP -6 route get fibmatch 2001:db8:3::1 &> /dev/null
+	log_test $? 0 "IPv6 fibmatch"
+
+	set -e
+	$IP link set dev dummy0 down
+	set +e
+
+	echo "    One device down, one up"
+	fib_down_multipath_test_do "dummy0" "dummy1"
+
+	set -e
+	$IP link set dev dummy0 up
+	$IP link set dev dummy1 down
+	set +e
+
+	echo "    Other device down and up"
+	fib_down_multipath_test_do "dummy1" "dummy0"
+
+	set -e
+	$IP link set dev dummy0 down
+	set +e
+
+	echo "    Both devices down"
+	$IP route get fibmatch 203.0.113.1 &> /dev/null
+	log_test $? 2 "IPv4 fibmatch"
+	$IP -6 route get fibmatch 2001:db8:3::1 &> /dev/null
+	log_test $? 2 "IPv6 fibmatch"
+
+	$IP link del dev dummy1
+	cleanup
+}
+
+fib_down_test()
+{
+	fib_down_unicast_test
+	fib_down_multipath_test
+}
+
+# Local routes should not be affected when carrier changes.
+fib_carrier_local_test()
+{
+	echo
+	echo "Local carrier tests - single path"
+
+	setup
+
+	set -e
+	$IP link set dev dummy0 carrier on
+	set +e
+
+	echo "    Start point"
+	$IP route get fibmatch 198.51.100.1 &> /dev/null
+	log_test $? 0 "IPv4 fibmatch"
+	$IP -6 route get fibmatch 2001:db8:1::1 &> /dev/null
+	log_test $? 0 "IPv6 fibmatch"
+
+	$IP route get fibmatch 198.51.100.1 | \
+		grep -q "linkdown"
+	log_test $? 1 "IPv4 - no linkdown flag"
+	$IP -6 route get fibmatch 2001:db8:1::1 | \
+		grep -q "linkdown"
+	log_test $? 1 "IPv6 - no linkdown flag"
+
+	set -e
+	$IP link set dev dummy0 carrier off
+	sleep 1
+	set +e
+
+	echo "    Carrier off on nexthop"
+	$IP route get fibmatch 198.51.100.1 &> /dev/null
+	log_test $? 0 "IPv4 fibmatch"
+	$IP -6 route get fibmatch 2001:db8:1::1 &> /dev/null
+	log_test $? 0 "IPv6 fibmatch"
+
+	$IP route get fibmatch 198.51.100.1 | \
+		grep -q "linkdown"
+	log_test $? 1 "IPv4 - linkdown flag set"
+	$IP -6 route get fibmatch 2001:db8:1::1 | \
+		grep -q "linkdown"
+	log_test $? 1 "IPv6 - linkdown flag set"
+
+	set -e
+	$IP address add 192.0.2.1/24 dev dummy0
+	$IP -6 address add 2001:db8:2::1/64 dev dummy0
+	set +e
+
+	echo "    Route to local address with carrier down"
+	$IP route get fibmatch 192.0.2.1 &> /dev/null
+	log_test $? 0 "IPv4 fibmatch"
+	$IP -6 route get fibmatch 2001:db8:2::1 &> /dev/null
+	log_test $? 0 "IPv6 fibmatch"
+
+	$IP route get fibmatch 192.0.2.1 | \
+		grep -q "linkdown"
+	log_test $? 1 "IPv4 linkdown flag set"
+	$IP -6 route get fibmatch 2001:db8:2::1 | \
+		grep -q "linkdown"
+	log_test $? 1 "IPv6 linkdown flag set"
+
+	cleanup
+}
+
+fib_carrier_unicast_test()
+{
+	ret=0
+
+	echo
+	echo "Single path route carrier test"
+
+	setup
+
+	set -e
+	$IP link set dev dummy0 carrier on
+	set +e
+
+	echo "    Start point"
+	$IP route get fibmatch 198.51.100.2 &> /dev/null
+	log_test $? 0 "IPv4 fibmatch"
+	$IP -6 route get fibmatch 2001:db8:1::2 &> /dev/null
+	log_test $? 0 "IPv6 fibmatch"
+
+	$IP route get fibmatch 198.51.100.2 | \
+		grep -q "linkdown"
+	log_test $? 1 "IPv4 no linkdown flag"
+	$IP -6 route get fibmatch 2001:db8:1::2 | \
+		grep -q "linkdown"
+	log_test $? 1 "IPv6 no linkdown flag"
+
+	set -e
+	$IP link set dev dummy0 carrier off
+	sleep 1
+	set +e
+
+	echo "    Carrier down"
+	$IP route get fibmatch 198.51.100.2 &> /dev/null
+	log_test $? 0 "IPv4 fibmatch"
+	$IP -6 route get fibmatch 2001:db8:1::2 &> /dev/null
+	log_test $? 0 "IPv6 fibmatch"
+
+	$IP route get fibmatch 198.51.100.2 | \
+		grep -q "linkdown"
+	log_test $? 0 "IPv4 linkdown flag set"
+	$IP -6 route get fibmatch 2001:db8:1::2 | \
+		grep -q "linkdown"
+	log_test $? 0 "IPv6 linkdown flag set"
+
+	set -e
+	$IP address add 192.0.2.1/24 dev dummy0
+	$IP -6 address add 2001:db8:2::1/64 dev dummy0
+	set +e
+
+	echo "    Second address added with carrier down"
+	$IP route get fibmatch 192.0.2.2 &> /dev/null
+	log_test $? 0 "IPv4 fibmatch"
+	$IP -6 route get fibmatch 2001:db8:2::2 &> /dev/null
+	log_test $? 0 "IPv6 fibmatch"
+
+	$IP route get fibmatch 192.0.2.2 | \
+		grep -q "linkdown"
+	log_test $? 0 "IPv4 linkdown flag set"
+	$IP -6 route get fibmatch 2001:db8:2::2 | \
+		grep -q "linkdown"
+	log_test $? 0 "IPv6 linkdown flag set"
+
+	cleanup
+}
+
+fib_carrier_test()
+{
+	fib_carrier_local_test
+	fib_carrier_unicast_test
+}
+
+fib_rp_filter_test()
+{
+	echo
+	echo "IPv4 rp_filter tests"
+
+	setup
+
+	set -e
+	ip netns add ns2
+	ip netns set ns2 auto
+
+	ip -netns ns2 link set dev lo up
+
+	$IP link add name veth1 type veth peer name veth2
+	$IP link set dev veth2 netns ns2
+	$IP address add 192.0.2.1/24 dev veth1
+	ip -netns ns2 address add 192.0.2.1/24 dev veth2
+	$IP link set dev veth1 up
+	ip -netns ns2 link set dev veth2 up
+
+	$IP link set dev lo address 52:54:00:6a:c7:5e
+	$IP link set dev veth1 address 52:54:00:6a:c7:5e
+	ip -netns ns2 link set dev lo address 52:54:00:6a:c7:5e
+	ip -netns ns2 link set dev veth2 address 52:54:00:6a:c7:5e
+
+	# 1. (ns2) redirect lo's egress to veth2's egress
+	ip netns exec ns2 tc qdisc add dev lo parent root handle 1: fq_codel
+	ip netns exec ns2 tc filter add dev lo parent 1: protocol arp basic \
+		action mirred egress redirect dev veth2
+	ip netns exec ns2 tc filter add dev lo parent 1: protocol ip basic \
+		action mirred egress redirect dev veth2
+
+	# 2. (ns1) redirect veth1's ingress to lo's ingress
+	$NS_EXEC tc qdisc add dev veth1 ingress
+	$NS_EXEC tc filter add dev veth1 ingress protocol arp basic \
+		action mirred ingress redirect dev lo
+	$NS_EXEC tc filter add dev veth1 ingress protocol ip basic \
+		action mirred ingress redirect dev lo
+
+	# 3. (ns1) redirect lo's egress to veth1's egress
+	$NS_EXEC tc qdisc add dev lo parent root handle 1: fq_codel
+	$NS_EXEC tc filter add dev lo parent 1: protocol arp basic \
+		action mirred egress redirect dev veth1
+	$NS_EXEC tc filter add dev lo parent 1: protocol ip basic \
+		action mirred egress redirect dev veth1
+
+	# 4. (ns2) redirect veth2's ingress to lo's ingress
+	ip netns exec ns2 tc qdisc add dev veth2 ingress
+	ip netns exec ns2 tc filter add dev veth2 ingress protocol arp basic \
+		action mirred ingress redirect dev lo
+	ip netns exec ns2 tc filter add dev veth2 ingress protocol ip basic \
+		action mirred ingress redirect dev lo
+
+	$NS_EXEC sysctl -qw net.ipv4.conf.all.rp_filter=1
+	$NS_EXEC sysctl -qw net.ipv4.conf.all.accept_local=1
+	$NS_EXEC sysctl -qw net.ipv4.conf.all.route_localnet=1
+	ip netns exec ns2 sysctl -qw net.ipv4.conf.all.rp_filter=1
+	ip netns exec ns2 sysctl -qw net.ipv4.conf.all.accept_local=1
+	ip netns exec ns2 sysctl -qw net.ipv4.conf.all.route_localnet=1
+	set +e
+
+	run_cmd "ip netns exec ns2 ping -w1 -c1 192.0.2.1"
+	log_test $? 0 "rp_filter passes local packets"
+
+	run_cmd "ip netns exec ns2 ping -w1 -c1 127.0.0.1"
+	log_test $? 0 "rp_filter passes loopback packets"
+
+	cleanup
+}
+
+################################################################################
+# Tests on nexthop spec
+
+# run 'ip route add' with given spec
+add_rt()
+{
+	local desc="$1"
+	local erc=$2
+	local vrf=$3
+	local pfx=$4
+	local gw=$5
+	local dev=$6
+	local cmd out rc
+
+	[ "$vrf" = "-" ] && vrf="default"
+	[ -n "$gw" ] && gw="via $gw"
+	[ -n "$dev" ] && dev="dev $dev"
+
+	cmd="$IP route add vrf $vrf $pfx $gw $dev"
+	if [ "$VERBOSE" = "1" ]; then
+		printf "\n    COMMAND: $cmd\n"
+	fi
+
+	out=$(eval $cmd 2>&1)
+	rc=$?
+	if [ "$VERBOSE" = "1" -a -n "$out" ]; then
+		echo "    $out"
+	fi
+	log_test $rc $erc "$desc"
+}
+
+fib4_nexthop()
+{
+	echo
+	echo "IPv4 nexthop tests"
+
+	echo "<<< write me >>>"
+}
+
+fib6_nexthop()
+{
+	local lldummy=$(get_linklocal dummy0)
+	local llv1=$(get_linklocal dummy0)
+
+	if [ -z "$lldummy" ]; then
+		echo "Failed to get linklocal address for dummy0"
+		return 1
+	fi
+	if [ -z "$llv1" ]; then
+		echo "Failed to get linklocal address for veth1"
+		return 1
+	fi
+
+	echo
+	echo "IPv6 nexthop tests"
+
+	add_rt "Directly connected nexthop, unicast address" 0 \
+		- 2001:db8:101::/64 2001:db8:1::2
+	add_rt "Directly connected nexthop, unicast address with device" 0 \
+		- 2001:db8:102::/64 2001:db8:1::2 "dummy0"
+	add_rt "Gateway is linklocal address" 0 \
+		- 2001:db8:103::1/64 $llv1 "veth0"
+
+	# fails because LL address requires a device
+	add_rt "Gateway is linklocal address, no device" 2 \
+		- 2001:db8:104::1/64 $llv1
+
+	# local address can not be a gateway
+	add_rt "Gateway can not be local unicast address" 2 \
+		- 2001:db8:105::/64 2001:db8:1::1
+	add_rt "Gateway can not be local unicast address, with device" 2 \
+		- 2001:db8:106::/64 2001:db8:1::1 "dummy0"
+	add_rt "Gateway can not be a local linklocal address" 2 \
+		- 2001:db8:107::1/64 $lldummy "dummy0"
+
+	# VRF tests
+	add_rt "Gateway can be local address in a VRF" 0 \
+		- 2001:db8:108::/64 2001:db8:51::2
+	add_rt "Gateway can be local address in a VRF, with device" 0 \
+		- 2001:db8:109::/64 2001:db8:51::2 "veth0"
+	add_rt "Gateway can be local linklocal address in a VRF" 0 \
+		- 2001:db8:110::1/64 $llv1 "veth0"
+
+	add_rt "Redirect to VRF lookup" 0 \
+		- 2001:db8:111::/64 "" "red"
+
+	add_rt "VRF route, gateway can be local address in default VRF" 0 \
+		red 2001:db8:112::/64 2001:db8:51::1
+
+	# local address in same VRF fails
+	add_rt "VRF route, gateway can not be a local address" 2 \
+		red 2001:db8:113::1/64 2001:db8:2::1
+	add_rt "VRF route, gateway can not be a local addr with device" 2 \
+		red 2001:db8:114::1/64 2001:db8:2::1 "dummy1"
+}
+
+# Default VRF:
+#   dummy0 - 198.51.100.1/24 2001:db8:1::1/64
+#   veth0  - 192.0.2.1/24    2001:db8:51::1/64
+#
+# VRF red:
+#   dummy1 - 192.168.2.1/24 2001:db8:2::1/64
+#   veth1  - 192.0.2.2/24   2001:db8:51::2/64
+#
+#  [ dummy0   veth0 ]--[ veth1   dummy1 ]
+
+fib_nexthop_test()
+{
+	setup
+
+	set -e
+
+	$IP -4 rule add pref 32765 table local
+	$IP -4 rule del pref 0
+	$IP -6 rule add pref 32765 table local
+	$IP -6 rule del pref 0
+
+	$IP link add red type vrf table 1
+	$IP link set red up
+	$IP -4 route add vrf red unreachable default metric 4278198272
+	$IP -6 route add vrf red unreachable default metric 4278198272
+
+	$IP link add veth0 type veth peer name veth1
+	$IP link set dev veth0 up
+	$IP address add 192.0.2.1/24 dev veth0
+	$IP -6 address add 2001:db8:51::1/64 dev veth0
+
+	$IP link set dev veth1 vrf red up
+	$IP address add 192.0.2.2/24 dev veth1
+	$IP -6 address add 2001:db8:51::2/64 dev veth1
+
+	$IP link add dummy1 type dummy
+	$IP link set dev dummy1 vrf red up
+	$IP address add 192.168.2.1/24 dev dummy1
+	$IP -6 address add 2001:db8:2::1/64 dev dummy1
+	set +e
+
+	sleep 1
+	fib4_nexthop
+	fib6_nexthop
+
+	(
+	$IP link del dev dummy1
+	$IP link del veth0
+	$IP link del red
+	) 2>/dev/null
+	cleanup
+}
+
+fib_suppress_test()
+{
+	echo
+	echo "FIB rule with suppress_prefixlength"
+	setup
+
+	$IP link add dummy1 type dummy
+	$IP link set dummy1 up
+	$IP -6 route add default dev dummy1
+	$IP -6 rule add table main suppress_prefixlength 0
+	ping -f -c 1000 -W 1 1234::1 >/dev/null 2>&1
+	$IP -6 rule del table main suppress_prefixlength 0
+	$IP link del dummy1
+
+	# If we got here without crashing, we're good.
+	log_test 0 0 "FIB rule suppress test"
+
+	cleanup
+}
+
+################################################################################
+# Tests on route add and replace
+
+run_cmd()
+{
+	local cmd="$1"
+	local out
+	local stderr="2>/dev/null"
+
+	if [ "$VERBOSE" = "1" ]; then
+		printf "    COMMAND: $cmd\n"
+		stderr=
+	fi
+
+	out=$(eval $cmd $stderr)
+	rc=$?
+	if [ "$VERBOSE" = "1" -a -n "$out" ]; then
+		echo "    $out"
+	fi
+
+	[ "$VERBOSE" = "1" ] && echo
+
+	return $rc
+}
+
+check_expected()
+{
+	local out="$1"
+	local expected="$2"
+	local rc=0
+
+	[ "${out}" = "${expected}" ] && return 0
+
+	if [ -z "${out}" ]; then
+		if [ "$VERBOSE" = "1" ]; then
+			printf "\nNo route entry found\n"
+			printf "Expected:\n"
+			printf "    ${expected}\n"
+		fi
+		return 1
+	fi
+
+	# tricky way to convert output to 1-line without ip's
+	# messy '\'; this drops all extra white space
+	out=$(echo ${out})
+	if [ "${out}" != "${expected}" ]; then
+		rc=1
+		if [ "${VERBOSE}" = "1" ]; then
+			printf "    Unexpected route entry. Have:\n"
+			printf "        ${out}\n"
+			printf "    Expected:\n"
+			printf "        ${expected}\n\n"
+		fi
+	fi
+
+	return $rc
+}
+
+# add route for a prefix, flushing any existing routes first
+# expected to be the first step of a test
+add_route6()
+{
+	local pfx="$1"
+	local nh="$2"
+	local out
+
+	if [ "$VERBOSE" = "1" ]; then
+		echo
+		echo "    ##################################################"
+		echo
+	fi
+
+	run_cmd "$IP -6 ro flush ${pfx}"
+	[ $? -ne 0 ] && exit 1
+
+	out=$($IP -6 ro ls match ${pfx})
+	if [ -n "$out" ]; then
+		echo "Failed to flush routes for prefix used for tests."
+		exit 1
+	fi
+
+	run_cmd "$IP -6 ro add ${pfx} ${nh}"
+	if [ $? -ne 0 ]; then
+		echo "Failed to add initial route for test."
+		exit 1
+	fi
+}
+
+# add initial route - used in replace route tests
+add_initial_route6()
+{
+	add_route6 "2001:db8:104::/64" "$1"
+}
+
+check_route6()
+{
+	local pfx
+	local expected="$1"
+	local out
+	local rc=0
+
+	set -- $expected
+	pfx=$1
+
+	out=$($IP -6 ro ls match ${pfx} | sed -e 's/ pref medium//')
+	check_expected "${out}" "${expected}"
+}
+
+route_cleanup()
+{
+	$IP li del red 2>/dev/null
+	$IP li del dummy1 2>/dev/null
+	$IP li del veth1 2>/dev/null
+	$IP li del veth3 2>/dev/null
+
+	cleanup &> /dev/null
+}
+
+route_setup()
+{
+	route_cleanup
+	setup
+
+	[ "${VERBOSE}" = "1" ] && set -x
+	set -e
+
+	ip netns add ns2
+	ip netns set ns2 auto
+	ip -netns ns2 link set dev lo up
+	ip netns exec ns2 sysctl -qw net.ipv4.ip_forward=1
+	ip netns exec ns2 sysctl -qw net.ipv6.conf.all.forwarding=1
+
+	$IP li add veth1 type veth peer name veth2
+	$IP li add veth3 type veth peer name veth4
+
+	$IP li set veth1 up
+	$IP li set veth3 up
+	$IP li set veth2 netns ns2 up
+	$IP li set veth4 netns ns2 up
+	ip -netns ns2 li add dummy1 type dummy
+	ip -netns ns2 li set dummy1 up
+
+	$IP -6 addr add 2001:db8:101::1/64 dev veth1 nodad
+	$IP -6 addr add 2001:db8:103::1/64 dev veth3 nodad
+	$IP addr add 172.16.101.1/24 dev veth1
+	$IP addr add 172.16.103.1/24 dev veth3
+
+	ip -netns ns2 -6 addr add 2001:db8:101::2/64 dev veth2 nodad
+	ip -netns ns2 -6 addr add 2001:db8:103::2/64 dev veth4 nodad
+	ip -netns ns2 -6 addr add 2001:db8:104::1/64 dev dummy1 nodad
+
+	ip -netns ns2 addr add 172.16.101.2/24 dev veth2
+	ip -netns ns2 addr add 172.16.103.2/24 dev veth4
+	ip -netns ns2 addr add 172.16.104.1/24 dev dummy1
+
+	set +e
+}
+
+# assumption is that basic add of a single path route works
+# otherwise just adding an address on an interface is broken
+ipv6_rt_add()
+{
+	local rc
+
+	echo
+	echo "IPv6 route add / append tests"
+
+	# route add same prefix - fails with EEXISTS b/c ip adds NLM_F_EXCL
+	add_route6 "2001:db8:104::/64" "via 2001:db8:101::2"
+	run_cmd "$IP -6 ro add 2001:db8:104::/64 via 2001:db8:103::2"
+	log_test $? 2 "Attempt to add duplicate route - gw"
+
+	# route add same prefix - fails with EEXISTS b/c ip adds NLM_F_EXCL
+	add_route6 "2001:db8:104::/64" "via 2001:db8:101::2"
+	run_cmd "$IP -6 ro add 2001:db8:104::/64 dev veth3"
+	log_test $? 2 "Attempt to add duplicate route - dev only"
+
+	# route add same prefix - fails with EEXISTS b/c ip adds NLM_F_EXCL
+	add_route6 "2001:db8:104::/64" "via 2001:db8:101::2"
+	run_cmd "$IP -6 ro add unreachable 2001:db8:104::/64"
+	log_test $? 2 "Attempt to add duplicate route - reject route"
+
+	# route append with same prefix adds a new route
+	# - iproute2 sets NLM_F_CREATE | NLM_F_APPEND
+	add_route6 "2001:db8:104::/64" "via 2001:db8:101::2"
+	run_cmd "$IP -6 ro append 2001:db8:104::/64 via 2001:db8:103::2"
+	check_route6 "2001:db8:104::/64 metric 1024 nexthop via 2001:db8:101::2 dev veth1 weight 1 nexthop via 2001:db8:103::2 dev veth3 weight 1"
+	log_test $? 0 "Append nexthop to existing route - gw"
+
+	# insert mpath directly
+	add_route6 "2001:db8:104::/64" "nexthop via 2001:db8:101::2 nexthop via 2001:db8:103::2"
+	check_route6  "2001:db8:104::/64 metric 1024 nexthop via 2001:db8:101::2 dev veth1 weight 1 nexthop via 2001:db8:103::2 dev veth3 weight 1"
+	log_test $? 0 "Add multipath route"
+
+	add_route6 "2001:db8:104::/64" "nexthop via 2001:db8:101::2 nexthop via 2001:db8:103::2"
+	run_cmd "$IP -6 ro add 2001:db8:104::/64 nexthop via 2001:db8:101::2 nexthop via 2001:db8:103::2"
+	log_test $? 2 "Attempt to add duplicate multipath route"
+
+	# insert of a second route without append but different metric
+	add_route6 "2001:db8:104::/64" "via 2001:db8:101::2"
+	run_cmd "$IP -6 ro add 2001:db8:104::/64 via 2001:db8:103::2 metric 512"
+	rc=$?
+	if [ $rc -eq 0 ]; then
+		run_cmd "$IP -6 ro add 2001:db8:104::/64 via 2001:db8:103::3 metric 256"
+		rc=$?
+	fi
+	log_test $rc 0 "Route add with different metrics"
+
+	run_cmd "$IP -6 ro del 2001:db8:104::/64 metric 512"
+	rc=$?
+	if [ $rc -eq 0 ]; then
+		check_route6 "2001:db8:104::/64 via 2001:db8:103::3 dev veth3 metric 256 2001:db8:104::/64 via 2001:db8:101::2 dev veth1 metric 1024"
+		rc=$?
+	fi
+	log_test $rc 0 "Route delete with metric"
+}
+
+ipv6_rt_replace_single()
+{
+	# single path with single path
+	#
+	add_initial_route6 "via 2001:db8:101::2"
+	run_cmd "$IP -6 ro replace 2001:db8:104::/64 via 2001:db8:103::2"
+	check_route6 "2001:db8:104::/64 via 2001:db8:103::2 dev veth3 metric 1024"
+	log_test $? 0 "Single path with single path"
+
+	# single path with multipath
+	#
+	add_initial_route6 "nexthop via 2001:db8:101::2"
+	run_cmd "$IP -6 ro replace 2001:db8:104::/64 nexthop via 2001:db8:101::3 nexthop via 2001:db8:103::2"
+	check_route6 "2001:db8:104::/64 metric 1024 nexthop via 2001:db8:101::3 dev veth1 weight 1 nexthop via 2001:db8:103::2 dev veth3 weight 1"
+	log_test $? 0 "Single path with multipath"
+
+	# single path with single path using MULTIPATH attribute
+	#
+	add_initial_route6 "via 2001:db8:101::2"
+	run_cmd "$IP -6 ro replace 2001:db8:104::/64 nexthop via 2001:db8:103::2"
+	check_route6 "2001:db8:104::/64 via 2001:db8:103::2 dev veth3 metric 1024"
+	log_test $? 0 "Single path with single path via multipath attribute"
+
+	# route replace fails - invalid nexthop
+	add_initial_route6 "via 2001:db8:101::2"
+	run_cmd "$IP -6 ro replace 2001:db8:104::/64 via 2001:db8:104::2"
+	if [ $? -eq 0 ]; then
+		# previous command is expected to fail so if it returns 0
+		# that means the test failed.
+		log_test 0 1 "Invalid nexthop"
+	else
+		check_route6 "2001:db8:104::/64 via 2001:db8:101::2 dev veth1 metric 1024"
+		log_test $? 0 "Invalid nexthop"
+	fi
+
+	# replace non-existent route
+	# - note use of change versus replace since ip adds NLM_F_CREATE
+	#   for replace
+	add_initial_route6 "via 2001:db8:101::2"
+	run_cmd "$IP -6 ro change 2001:db8:105::/64 via 2001:db8:101::2"
+	log_test $? 2 "Single path - replace of non-existent route"
+}
+
+ipv6_rt_replace_mpath()
+{
+	# multipath with multipath
+	add_initial_route6 "nexthop via 2001:db8:101::2 nexthop via 2001:db8:103::2"
+	run_cmd "$IP -6 ro replace 2001:db8:104::/64 nexthop via 2001:db8:101::3 nexthop via 2001:db8:103::3"
+	check_route6  "2001:db8:104::/64 metric 1024 nexthop via 2001:db8:101::3 dev veth1 weight 1 nexthop via 2001:db8:103::3 dev veth3 weight 1"
+	log_test $? 0 "Multipath with multipath"
+
+	# multipath with single
+	add_initial_route6 "nexthop via 2001:db8:101::2 nexthop via 2001:db8:103::2"
+	run_cmd "$IP -6 ro replace 2001:db8:104::/64 via 2001:db8:101::3"
+	check_route6  "2001:db8:104::/64 via 2001:db8:101::3 dev veth1 metric 1024"
+	log_test $? 0 "Multipath with single path"
+
+	# multipath with single
+	add_initial_route6 "nexthop via 2001:db8:101::2 nexthop via 2001:db8:103::2"
+	run_cmd "$IP -6 ro replace 2001:db8:104::/64 nexthop via 2001:db8:101::3"
+	check_route6 "2001:db8:104::/64 via 2001:db8:101::3 dev veth1 metric 1024"
+	log_test $? 0 "Multipath with single path via multipath attribute"
+
+	# multipath with dev-only
+	add_initial_route6 "nexthop via 2001:db8:101::2 nexthop via 2001:db8:103::2"
+	run_cmd "$IP -6 ro replace 2001:db8:104::/64 dev veth1"
+	check_route6 "2001:db8:104::/64 dev veth1 metric 1024"
+	log_test $? 0 "Multipath with dev-only"
+
+	# route replace fails - invalid nexthop 1
+	add_initial_route6 "nexthop via 2001:db8:101::2 nexthop via 2001:db8:103::2"
+	run_cmd "$IP -6 ro replace 2001:db8:104::/64 nexthop via 2001:db8:111::3 nexthop via 2001:db8:103::3"
+	check_route6  "2001:db8:104::/64 metric 1024 nexthop via 2001:db8:101::2 dev veth1 weight 1 nexthop via 2001:db8:103::2 dev veth3 weight 1"
+	log_test $? 0 "Multipath - invalid first nexthop"
+
+	# route replace fails - invalid nexthop 2
+	add_initial_route6 "nexthop via 2001:db8:101::2 nexthop via 2001:db8:103::2"
+	run_cmd "$IP -6 ro replace 2001:db8:104::/64 nexthop via 2001:db8:101::3 nexthop via 2001:db8:113::3"
+	check_route6  "2001:db8:104::/64 metric 1024 nexthop via 2001:db8:101::2 dev veth1 weight 1 nexthop via 2001:db8:103::2 dev veth3 weight 1"
+	log_test $? 0 "Multipath - invalid second nexthop"
+
+	# multipath non-existent route
+	add_initial_route6 "nexthop via 2001:db8:101::2 nexthop via 2001:db8:103::2"
+	run_cmd "$IP -6 ro change 2001:db8:105::/64 nexthop via 2001:db8:101::3 nexthop via 2001:db8:103::3"
+	log_test $? 2 "Multipath - replace of non-existent route"
+}
+
+ipv6_rt_replace()
+{
+	echo
+	echo "IPv6 route replace tests"
+
+	ipv6_rt_replace_single
+	ipv6_rt_replace_mpath
+}
+
+ipv6_route_test()
+{
+	route_setup
+
+	ipv6_rt_add
+	ipv6_rt_replace
+
+	route_cleanup
+}
+
+ip_addr_metric_check()
+{
+	ip addr help 2>&1 | grep -q metric
+	if [ $? -ne 0 ]; then
+		echo "iproute2 command does not support metric for addresses. Skipping test"
+		return 1
+	fi
+
+	return 0
+}
+
+ipv6_addr_metric_test()
+{
+	local rc
+
+	echo
+	echo "IPv6 prefix route tests"
+
+	ip_addr_metric_check || return 1
+
+	setup
+
+	set -e
+	$IP li add dummy1 type dummy
+	$IP li add dummy2 type dummy
+	$IP li set dummy1 up
+	$IP li set dummy2 up
+
+	# default entry is metric 256
+	run_cmd "$IP -6 addr add dev dummy1 2001:db8:104::1/64"
+	run_cmd "$IP -6 addr add dev dummy2 2001:db8:104::2/64"
+	set +e
+
+	check_route6 "2001:db8:104::/64 dev dummy1 proto kernel metric 256 2001:db8:104::/64 dev dummy2 proto kernel metric 256"
+	log_test $? 0 "Default metric"
+
+	set -e
+	run_cmd "$IP -6 addr flush dev dummy1"
+	run_cmd "$IP -6 addr add dev dummy1 2001:db8:104::1/64 metric 257"
+	set +e
+
+	check_route6 "2001:db8:104::/64 dev dummy2 proto kernel metric 256 2001:db8:104::/64 dev dummy1 proto kernel metric 257"
+	log_test $? 0 "User specified metric on first device"
+
+	set -e
+	run_cmd "$IP -6 addr flush dev dummy2"
+	run_cmd "$IP -6 addr add dev dummy2 2001:db8:104::2/64 metric 258"
+	set +e
+
+	check_route6 "2001:db8:104::/64 dev dummy1 proto kernel metric 257 2001:db8:104::/64 dev dummy2 proto kernel metric 258"
+	log_test $? 0 "User specified metric on second device"
+
+	run_cmd "$IP -6 addr del dev dummy1 2001:db8:104::1/64 metric 257"
+	rc=$?
+	if [ $rc -eq 0 ]; then
+		check_route6 "2001:db8:104::/64 dev dummy2 proto kernel metric 258"
+		rc=$?
+	fi
+	log_test $rc 0 "Delete of address on first device"
+
+	run_cmd "$IP -6 addr change dev dummy2 2001:db8:104::2/64 metric 259"
+	rc=$?
+	if [ $rc -eq 0 ]; then
+		check_route6 "2001:db8:104::/64 dev dummy2 proto kernel metric 259"
+		rc=$?
+	fi
+	log_test $rc 0 "Modify metric of address"
+
+	# verify prefix route removed on down
+	run_cmd "ip netns exec ns1 sysctl -qw net.ipv6.conf.all.keep_addr_on_down=1"
+	run_cmd "$IP li set dev dummy2 down"
+	rc=$?
+	if [ $rc -eq 0 ]; then
+		out=$($IP -6 ro ls match 2001:db8:104::/64)
+		check_expected "${out}" ""
+		rc=$?
+	fi
+	log_test $rc 0 "Prefix route removed on link down"
+
+	# verify prefix route re-inserted with assigned metric
+	run_cmd "$IP li set dev dummy2 up"
+	rc=$?
+	if [ $rc -eq 0 ]; then
+		check_route6 "2001:db8:104::/64 dev dummy2 proto kernel metric 259"
+		rc=$?
+	fi
+	log_test $rc 0 "Prefix route with metric on link up"
+
+	# verify peer metric added correctly
+	set -e
+	run_cmd "$IP -6 addr flush dev dummy2"
+	run_cmd "$IP -6 addr add dev dummy2 2001:db8:104::1 peer 2001:db8:104::2 metric 260"
+	set +e
+
+	check_route6 "2001:db8:104::1 dev dummy2 proto kernel metric 260"
+	log_test $? 0 "Set metric with peer route on local side"
+	check_route6 "2001:db8:104::2 dev dummy2 proto kernel metric 260"
+	log_test $? 0 "Set metric with peer route on peer side"
+
+	set -e
+	run_cmd "$IP -6 addr change dev dummy2 2001:db8:104::1 peer 2001:db8:104::3 metric 261"
+	set +e
+
+	check_route6 "2001:db8:104::1 dev dummy2 proto kernel metric 261"
+	log_test $? 0 "Modify metric and peer address on local side"
+	check_route6 "2001:db8:104::3 dev dummy2 proto kernel metric 261"
+	log_test $? 0 "Modify metric and peer address on peer side"
+
+	$IP li del dummy1
+	$IP li del dummy2
+	cleanup
+}
+
+ipv6_route_metrics_test()
+{
+	local rc
+
+	echo
+	echo "IPv6 routes with metrics"
+
+	route_setup
+
+	#
+	# single path with metrics
+	#
+	run_cmd "$IP -6 ro add 2001:db8:111::/64 via 2001:db8:101::2 mtu 1400"
+	rc=$?
+	if [ $rc -eq 0 ]; then
+		check_route6  "2001:db8:111::/64 via 2001:db8:101::2 dev veth1 metric 1024 mtu 1400"
+		rc=$?
+	fi
+	log_test $rc 0 "Single path route with mtu metric"
+
+
+	#
+	# multipath via separate routes with metrics
+	#
+	run_cmd "$IP -6 ro add 2001:db8:112::/64 via 2001:db8:101::2 mtu 1400"
+	run_cmd "$IP -6 ro append 2001:db8:112::/64 via 2001:db8:103::2"
+	rc=$?
+	if [ $rc -eq 0 ]; then
+		check_route6 "2001:db8:112::/64 metric 1024 mtu 1400 nexthop via 2001:db8:101::2 dev veth1 weight 1 nexthop via 2001:db8:103::2 dev veth3 weight 1"
+		rc=$?
+	fi
+	log_test $rc 0 "Multipath route via 2 single routes with mtu metric on first"
+
+	# second route is coalesced to first to make a multipath route.
+	# MTU of the second path is hidden from display!
+	run_cmd "$IP -6 ro add 2001:db8:113::/64 via 2001:db8:101::2"
+	run_cmd "$IP -6 ro append 2001:db8:113::/64 via 2001:db8:103::2 mtu 1400"
+	rc=$?
+	if [ $rc -eq 0 ]; then
+		check_route6 "2001:db8:113::/64 metric 1024 nexthop via 2001:db8:101::2 dev veth1 weight 1 nexthop via 2001:db8:103::2 dev veth3 weight 1"
+		rc=$?
+	fi
+	log_test $rc 0 "Multipath route via 2 single routes with mtu metric on 2nd"
+
+	run_cmd "$IP -6 ro del 2001:db8:113::/64 via 2001:db8:101::2"
+	if [ $? -eq 0 ]; then
+		check_route6 "2001:db8:113::/64 via 2001:db8:103::2 dev veth3 metric 1024 mtu 1400"
+		log_test $? 0 "    MTU of second leg"
+	fi
+
+	#
+	# multipath with metrics
+	#
+	run_cmd "$IP -6 ro add 2001:db8:115::/64 mtu 1400 nexthop via 2001:db8:101::2 nexthop via 2001:db8:103::2"
+	rc=$?
+	if [ $rc -eq 0 ]; then
+		check_route6  "2001:db8:115::/64 metric 1024 mtu 1400 nexthop via 2001:db8:101::2 dev veth1 weight 1 nexthop via 2001:db8:103::2 dev veth3 weight 1"
+		rc=$?
+	fi
+	log_test $rc 0 "Multipath route with mtu metric"
+
+	$IP -6 ro add 2001:db8:104::/64 via 2001:db8:101::2 mtu 1300
+	run_cmd "ip netns exec ns1 ${ping6} -w1 -c1 -s 1500 2001:db8:104::1"
+	log_test $? 0 "Using route with mtu metric"
+
+	run_cmd "$IP -6 ro add 2001:db8:114::/64 via  2001:db8:101::2  congctl lock foo"
+	log_test $? 2 "Invalid metric (fails metric_convert)"
+
+	route_cleanup
+}
+
+# add route for a prefix, flushing any existing routes first
+# expected to be the first step of a test
+add_route()
+{
+	local pfx="$1"
+	local nh="$2"
+	local out
+
+	if [ "$VERBOSE" = "1" ]; then
+		echo
+		echo "    ##################################################"
+		echo
+	fi
+
+	run_cmd "$IP ro flush ${pfx}"
+	[ $? -ne 0 ] && exit 1
+
+	out=$($IP ro ls match ${pfx})
+	if [ -n "$out" ]; then
+		echo "Failed to flush routes for prefix used for tests."
+		exit 1
+	fi
+
+	run_cmd "$IP ro add ${pfx} ${nh}"
+	if [ $? -ne 0 ]; then
+		echo "Failed to add initial route for test."
+		exit 1
+	fi
+}
+
+# add initial route - used in replace route tests
+add_initial_route()
+{
+	add_route "172.16.104.0/24" "$1"
+}
+
+check_route()
+{
+	local pfx
+	local expected="$1"
+	local out
+
+	set -- $expected
+	pfx=$1
+	[ "${pfx}" = "unreachable" ] && pfx=$2
+
+	out=$($IP ro ls match ${pfx})
+	check_expected "${out}" "${expected}"
+}
+
+# assumption is that basic add of a single path route works
+# otherwise just adding an address on an interface is broken
+ipv4_rt_add()
+{
+	local rc
+
+	echo
+	echo "IPv4 route add / append tests"
+
+	# route add same prefix - fails with EEXISTS b/c ip adds NLM_F_EXCL
+	add_route "172.16.104.0/24" "via 172.16.101.2"
+	run_cmd "$IP ro add 172.16.104.0/24 via 172.16.103.2"
+	log_test $? 2 "Attempt to add duplicate route - gw"
+
+	# route add same prefix - fails with EEXISTS b/c ip adds NLM_F_EXCL
+	add_route "172.16.104.0/24" "via 172.16.101.2"
+	run_cmd "$IP ro add 172.16.104.0/24 dev veth3"
+	log_test $? 2 "Attempt to add duplicate route - dev only"
+
+	# route add same prefix - fails with EEXISTS b/c ip adds NLM_F_EXCL
+	add_route "172.16.104.0/24" "via 172.16.101.2"
+	run_cmd "$IP ro add unreachable 172.16.104.0/24"
+	log_test $? 2 "Attempt to add duplicate route - reject route"
+
+	# iproute2 prepend only sets NLM_F_CREATE
+	# - adds a new route; does NOT convert existing route to ECMP
+	add_route "172.16.104.0/24" "via 172.16.101.2"
+	run_cmd "$IP ro prepend 172.16.104.0/24 via 172.16.103.2"
+	check_route "172.16.104.0/24 via 172.16.103.2 dev veth3 172.16.104.0/24 via 172.16.101.2 dev veth1"
+	log_test $? 0 "Add new nexthop for existing prefix"
+
+	# route append with same prefix adds a new route
+	# - iproute2 sets NLM_F_CREATE | NLM_F_APPEND
+	add_route "172.16.104.0/24" "via 172.16.101.2"
+	run_cmd "$IP ro append 172.16.104.0/24 via 172.16.103.2"
+	check_route "172.16.104.0/24 via 172.16.101.2 dev veth1 172.16.104.0/24 via 172.16.103.2 dev veth3"
+	log_test $? 0 "Append nexthop to existing route - gw"
+
+	add_route "172.16.104.0/24" "via 172.16.101.2"
+	run_cmd "$IP ro append 172.16.104.0/24 dev veth3"
+	check_route "172.16.104.0/24 via 172.16.101.2 dev veth1 172.16.104.0/24 dev veth3 scope link"
+	log_test $? 0 "Append nexthop to existing route - dev only"
+
+	add_route "172.16.104.0/24" "via 172.16.101.2"
+	run_cmd "$IP ro append unreachable 172.16.104.0/24"
+	check_route "172.16.104.0/24 via 172.16.101.2 dev veth1 unreachable 172.16.104.0/24"
+	log_test $? 0 "Append nexthop to existing route - reject route"
+
+	run_cmd "$IP ro flush 172.16.104.0/24"
+	run_cmd "$IP ro add unreachable 172.16.104.0/24"
+	run_cmd "$IP ro append 172.16.104.0/24 via 172.16.103.2"
+	check_route "unreachable 172.16.104.0/24 172.16.104.0/24 via 172.16.103.2 dev veth3"
+	log_test $? 0 "Append nexthop to existing reject route - gw"
+
+	run_cmd "$IP ro flush 172.16.104.0/24"
+	run_cmd "$IP ro add unreachable 172.16.104.0/24"
+	run_cmd "$IP ro append 172.16.104.0/24 dev veth3"
+	check_route "unreachable 172.16.104.0/24 172.16.104.0/24 dev veth3 scope link"
+	log_test $? 0 "Append nexthop to existing reject route - dev only"
+
+	# insert mpath directly
+	add_route "172.16.104.0/24" "nexthop via 172.16.101.2 nexthop via 172.16.103.2"
+	check_route  "172.16.104.0/24 nexthop via 172.16.101.2 dev veth1 weight 1 nexthop via 172.16.103.2 dev veth3 weight 1"
+	log_test $? 0 "add multipath route"
+
+	add_route "172.16.104.0/24" "nexthop via 172.16.101.2 nexthop via 172.16.103.2"
+	run_cmd "$IP ro add 172.16.104.0/24 nexthop via 172.16.101.2 nexthop via 172.16.103.2"
+	log_test $? 2 "Attempt to add duplicate multipath route"
+
+	# insert of a second route without append but different metric
+	add_route "172.16.104.0/24" "via 172.16.101.2"
+	run_cmd "$IP ro add 172.16.104.0/24 via 172.16.103.2 metric 512"
+	rc=$?
+	if [ $rc -eq 0 ]; then
+		run_cmd "$IP ro add 172.16.104.0/24 via 172.16.103.3 metric 256"
+		rc=$?
+	fi
+	log_test $rc 0 "Route add with different metrics"
+
+	run_cmd "$IP ro del 172.16.104.0/24 metric 512"
+	rc=$?
+	if [ $rc -eq 0 ]; then
+		check_route "172.16.104.0/24 via 172.16.101.2 dev veth1 172.16.104.0/24 via 172.16.103.3 dev veth3 metric 256"
+		rc=$?
+	fi
+	log_test $rc 0 "Route delete with metric"
+}
+
+ipv4_rt_replace_single()
+{
+	# single path with single path
+	#
+	add_initial_route "via 172.16.101.2"
+	run_cmd "$IP ro replace 172.16.104.0/24 via 172.16.103.2"
+	check_route "172.16.104.0/24 via 172.16.103.2 dev veth3"
+	log_test $? 0 "Single path with single path"
+
+	# single path with multipath
+	#
+	add_initial_route "nexthop via 172.16.101.2"
+	run_cmd "$IP ro replace 172.16.104.0/24 nexthop via 172.16.101.3 nexthop via 172.16.103.2"
+	check_route "172.16.104.0/24 nexthop via 172.16.101.3 dev veth1 weight 1 nexthop via 172.16.103.2 dev veth3 weight 1"
+	log_test $? 0 "Single path with multipath"
+
+	# single path with reject
+	#
+	add_initial_route "nexthop via 172.16.101.2"
+	run_cmd "$IP ro replace unreachable 172.16.104.0/24"
+	check_route "unreachable 172.16.104.0/24"
+	log_test $? 0 "Single path with reject route"
+
+	# single path with single path using MULTIPATH attribute
+	#
+	add_initial_route "via 172.16.101.2"
+	run_cmd "$IP ro replace 172.16.104.0/24 nexthop via 172.16.103.2"
+	check_route "172.16.104.0/24 via 172.16.103.2 dev veth3"
+	log_test $? 0 "Single path with single path via multipath attribute"
+
+	# route replace fails - invalid nexthop
+	add_initial_route "via 172.16.101.2"
+	run_cmd "$IP ro replace 172.16.104.0/24 via 2001:db8:104::2"
+	if [ $? -eq 0 ]; then
+		# previous command is expected to fail so if it returns 0
+		# that means the test failed.
+		log_test 0 1 "Invalid nexthop"
+	else
+		check_route "172.16.104.0/24 via 172.16.101.2 dev veth1"
+		log_test $? 0 "Invalid nexthop"
+	fi
+
+	# replace non-existent route
+	# - note use of change versus replace since ip adds NLM_F_CREATE
+	#   for replace
+	add_initial_route "via 172.16.101.2"
+	run_cmd "$IP ro change 172.16.105.0/24 via 172.16.101.2"
+	log_test $? 2 "Single path - replace of non-existent route"
+}
+
+ipv4_rt_replace_mpath()
+{
+	# multipath with multipath
+	add_initial_route "nexthop via 172.16.101.2 nexthop via 172.16.103.2"
+	run_cmd "$IP ro replace 172.16.104.0/24 nexthop via 172.16.101.3 nexthop via 172.16.103.3"
+	check_route  "172.16.104.0/24 nexthop via 172.16.101.3 dev veth1 weight 1 nexthop via 172.16.103.3 dev veth3 weight 1"
+	log_test $? 0 "Multipath with multipath"
+
+	# multipath with single
+	add_initial_route "nexthop via 172.16.101.2 nexthop via 172.16.103.2"
+	run_cmd "$IP ro replace 172.16.104.0/24 via 172.16.101.3"
+	check_route  "172.16.104.0/24 via 172.16.101.3 dev veth1"
+	log_test $? 0 "Multipath with single path"
+
+	# multipath with single
+	add_initial_route "nexthop via 172.16.101.2 nexthop via 172.16.103.2"
+	run_cmd "$IP ro replace 172.16.104.0/24 nexthop via 172.16.101.3"
+	check_route "172.16.104.0/24 via 172.16.101.3 dev veth1"
+	log_test $? 0 "Multipath with single path via multipath attribute"
+
+	# multipath with reject
+	add_initial_route "nexthop via 172.16.101.2 nexthop via 172.16.103.2"
+	run_cmd "$IP ro replace unreachable 172.16.104.0/24"
+	check_route "unreachable 172.16.104.0/24"
+	log_test $? 0 "Multipath with reject route"
+
+	# route replace fails - invalid nexthop 1
+	add_initial_route "nexthop via 172.16.101.2 nexthop via 172.16.103.2"
+	run_cmd "$IP ro replace 172.16.104.0/24 nexthop via 172.16.111.3 nexthop via 172.16.103.3"
+	check_route  "172.16.104.0/24 nexthop via 172.16.101.2 dev veth1 weight 1 nexthop via 172.16.103.2 dev veth3 weight 1"
+	log_test $? 0 "Multipath - invalid first nexthop"
+
+	# route replace fails - invalid nexthop 2
+	add_initial_route "nexthop via 172.16.101.2 nexthop via 172.16.103.2"
+	run_cmd "$IP ro replace 172.16.104.0/24 nexthop via 172.16.101.3 nexthop via 172.16.113.3"
+	check_route  "172.16.104.0/24 nexthop via 172.16.101.2 dev veth1 weight 1 nexthop via 172.16.103.2 dev veth3 weight 1"
+	log_test $? 0 "Multipath - invalid second nexthop"
+
+	# multipath non-existent route
+	add_initial_route "nexthop via 172.16.101.2 nexthop via 172.16.103.2"
+	run_cmd "$IP ro change 172.16.105.0/24 nexthop via 172.16.101.3 nexthop via 172.16.103.3"
+	log_test $? 2 "Multipath - replace of non-existent route"
+}
+
+ipv4_rt_replace()
+{
+	echo
+	echo "IPv4 route replace tests"
+
+	ipv4_rt_replace_single
+	ipv4_rt_replace_mpath
+}
+
+ipv4_route_test()
+{
+	route_setup
+
+	ipv4_rt_add
+	ipv4_rt_replace
+
+	route_cleanup
+}
+
+ipv4_addr_metric_test()
+{
+	local rc
+
+	echo
+	echo "IPv4 prefix route tests"
+
+	ip_addr_metric_check || return 1
+
+	setup
+
+	set -e
+	$IP li add dummy1 type dummy
+	$IP li add dummy2 type dummy
+	$IP li set dummy1 up
+	$IP li set dummy2 up
+
+	# default entry is metric 256
+	run_cmd "$IP addr add dev dummy1 172.16.104.1/24"
+	run_cmd "$IP addr add dev dummy2 172.16.104.2/24"
+	set +e
+
+	check_route "172.16.104.0/24 dev dummy1 proto kernel scope link src 172.16.104.1 172.16.104.0/24 dev dummy2 proto kernel scope link src 172.16.104.2"
+	log_test $? 0 "Default metric"
+
+	set -e
+	run_cmd "$IP addr flush dev dummy1"
+	run_cmd "$IP addr add dev dummy1 172.16.104.1/24 metric 257"
+	set +e
+
+	check_route "172.16.104.0/24 dev dummy2 proto kernel scope link src 172.16.104.2 172.16.104.0/24 dev dummy1 proto kernel scope link src 172.16.104.1 metric 257"
+	log_test $? 0 "User specified metric on first device"
+
+	set -e
+	run_cmd "$IP addr flush dev dummy2"
+	run_cmd "$IP addr add dev dummy2 172.16.104.2/24 metric 258"
+	set +e
+
+	check_route "172.16.104.0/24 dev dummy1 proto kernel scope link src 172.16.104.1 metric 257 172.16.104.0/24 dev dummy2 proto kernel scope link src 172.16.104.2 metric 258"
+	log_test $? 0 "User specified metric on second device"
+
+	run_cmd "$IP addr del dev dummy1 172.16.104.1/24 metric 257"
+	rc=$?
+	if [ $rc -eq 0 ]; then
+		check_route "172.16.104.0/24 dev dummy2 proto kernel scope link src 172.16.104.2 metric 258"
+		rc=$?
+	fi
+	log_test $rc 0 "Delete of address on first device"
+
+	run_cmd "$IP addr change dev dummy2 172.16.104.2/24 metric 259"
+	rc=$?
+	if [ $rc -eq 0 ]; then
+		check_route "172.16.104.0/24 dev dummy2 proto kernel scope link src 172.16.104.2 metric 259"
+		rc=$?
+	fi
+	log_test $rc 0 "Modify metric of address"
+
+	# verify prefix route removed on down
+	run_cmd "$IP li set dev dummy2 down"
+	rc=$?
+	if [ $rc -eq 0 ]; then
+		out=$($IP ro ls match 172.16.104.0/24)
+		check_expected "${out}" ""
+		rc=$?
+	fi
+	log_test $rc 0 "Prefix route removed on link down"
+
+	# verify prefix route re-inserted with assigned metric
+	run_cmd "$IP li set dev dummy2 up"
+	rc=$?
+	if [ $rc -eq 0 ]; then
+		check_route "172.16.104.0/24 dev dummy2 proto kernel scope link src 172.16.104.2 metric 259"
+		rc=$?
+	fi
+	log_test $rc 0 "Prefix route with metric on link up"
+
+	# explicitly check for metric changes on edge scenarios
+	run_cmd "$IP addr flush dev dummy2"
+	run_cmd "$IP addr add dev dummy2 172.16.104.0/24 metric 259"
+	run_cmd "$IP addr change dev dummy2 172.16.104.0/24 metric 260"
+	rc=$?
+	if [ $rc -eq 0 ]; then
+		check_route "172.16.104.0/24 dev dummy2 proto kernel scope link src 172.16.104.0 metric 260"
+		rc=$?
+	fi
+	log_test $rc 0 "Modify metric of .0/24 address"
+
+	run_cmd "$IP addr flush dev dummy2"
+	run_cmd "$IP addr add dev dummy2 172.16.104.1/32 peer 172.16.104.2 metric 260"
+	rc=$?
+	if [ $rc -eq 0 ]; then
+		check_route "172.16.104.2 dev dummy2 proto kernel scope link src 172.16.104.1 metric 260"
+		rc=$?
+	fi
+	log_test $rc 0 "Set metric of address with peer route"
+
+	run_cmd "$IP addr change dev dummy2 172.16.104.1/32 peer 172.16.104.3 metric 261"
+	rc=$?
+	if [ $rc -eq 0 ]; then
+		check_route "172.16.104.3 dev dummy2 proto kernel scope link src 172.16.104.1 metric 261"
+		rc=$?
+	fi
+	log_test $rc 0 "Modify metric and peer address for peer route"
+
+	$IP li del dummy1
+	$IP li del dummy2
+	cleanup
+}
+
+ipv4_route_metrics_test()
+{
+	local rc
+
+	echo
+	echo "IPv4 route add / append tests"
+
+	route_setup
+
+	run_cmd "$IP ro add 172.16.111.0/24 via 172.16.101.2 mtu 1400"
+	rc=$?
+	if [ $rc -eq 0 ]; then
+		check_route "172.16.111.0/24 via 172.16.101.2 dev veth1 mtu 1400"
+		rc=$?
+	fi
+	log_test $rc 0 "Single path route with mtu metric"
+
+
+	run_cmd "$IP ro add 172.16.112.0/24 mtu 1400 nexthop via 172.16.101.2 nexthop via 172.16.103.2"
+	rc=$?
+	if [ $rc -eq 0 ]; then
+		check_route "172.16.112.0/24 mtu 1400 nexthop via 172.16.101.2 dev veth1 weight 1 nexthop via 172.16.103.2 dev veth3 weight 1"
+		rc=$?
+	fi
+	log_test $rc 0 "Multipath route with mtu metric"
+
+	$IP ro add 172.16.104.0/24 via 172.16.101.2 mtu 1300
+	run_cmd "ip netns exec ns1 ping -w1 -c1 -s 1500 172.16.104.1"
+	log_test $? 0 "Using route with mtu metric"
+
+	run_cmd "$IP ro add 172.16.111.0/24 via 172.16.101.2 congctl lock foo"
+	log_test $? 2 "Invalid metric (fails metric_convert)"
+
+	route_cleanup
+}
+
+ipv4_route_v6_gw_test()
+{
+	local rc
+
+	echo
+	echo "IPv4 route with IPv6 gateway tests"
+
+	route_setup
+	sleep 2
+
+	#
+	# single path route
+	#
+	run_cmd "$IP ro add 172.16.104.0/24 via inet6 2001:db8:101::2"
+	rc=$?
+	log_test $rc 0 "Single path route with IPv6 gateway"
+	if [ $rc -eq 0 ]; then
+		check_route "172.16.104.0/24 via inet6 2001:db8:101::2 dev veth1"
+	fi
+
+	run_cmd "ip netns exec ns1 ping -w1 -c1 172.16.104.1"
+	log_test $rc 0 "Single path route with IPv6 gateway - ping"
+
+	run_cmd "$IP ro del 172.16.104.0/24 via inet6 2001:db8:101::2"
+	rc=$?
+	log_test $rc 0 "Single path route delete"
+	if [ $rc -eq 0 ]; then
+		check_route "172.16.112.0/24"
+	fi
+
+	#
+	# multipath - v6 then v4
+	#
+	run_cmd "$IP ro add 172.16.104.0/24 nexthop via inet6 2001:db8:101::2 dev veth1 nexthop via 172.16.103.2 dev veth3"
+	rc=$?
+	log_test $rc 0 "Multipath route add - v6 nexthop then v4"
+	if [ $rc -eq 0 ]; then
+		check_route "172.16.104.0/24 nexthop via inet6 2001:db8:101::2 dev veth1 weight 1 nexthop via 172.16.103.2 dev veth3 weight 1"
+	fi
+
+	run_cmd "$IP ro del 172.16.104.0/24 nexthop via 172.16.103.2 dev veth3 nexthop via inet6 2001:db8:101::2 dev veth1"
+	log_test $? 2 "    Multipath route delete - nexthops in wrong order"
+
+	run_cmd "$IP ro del 172.16.104.0/24 nexthop via inet6 2001:db8:101::2 dev veth1 nexthop via 172.16.103.2 dev veth3"
+	log_test $? 0 "    Multipath route delete exact match"
+
+	#
+	# multipath - v4 then v6
+	#
+	run_cmd "$IP ro add 172.16.104.0/24 nexthop via 172.16.103.2 dev veth3 nexthop via inet6 2001:db8:101::2 dev veth1"
+	rc=$?
+	log_test $rc 0 "Multipath route add - v4 nexthop then v6"
+	if [ $rc -eq 0 ]; then
+		check_route "172.16.104.0/24 nexthop via 172.16.103.2 dev veth3 weight 1 nexthop via inet6 2001:db8:101::2 dev veth1 weight 1"
+	fi
+
+	run_cmd "$IP ro del 172.16.104.0/24 nexthop via inet6 2001:db8:101::2 dev veth1 nexthop via 172.16.103.2 dev veth3"
+	log_test $? 2 "    Multipath route delete - nexthops in wrong order"
+
+	run_cmd "$IP ro del 172.16.104.0/24 nexthop via 172.16.103.2 dev veth3 nexthop via inet6 2001:db8:101::2 dev veth1"
+	log_test $? 0 "    Multipath route delete exact match"
+
+	route_cleanup
+}
+
+################################################################################
+# usage
+
+usage()
+{
+	cat <<EOF
+usage: ${0##*/} OPTS
+
+        -t <test>   Test(s) to run (default: all)
+                    (options: $TESTS)
+        -p          Pause on fail
+        -P          Pause after each test before cleanup
+        -v          verbose mode (show commands and output)
+EOF
+}
+
+################################################################################
+# main
+
+while getopts :t:pPhv o
+do
+	case $o in
+		t) TESTS=$OPTARG;;
+		p) PAUSE_ON_FAIL=yes;;
+		P) PAUSE=yes;;
+		v) VERBOSE=$(($VERBOSE + 1));;
+		h) usage; exit 0;;
+		*) usage; exit 1;;
+	esac
+done
+
+PEER_CMD="ip netns exec ${PEER_NS}"
+
+# make sure we don't pause twice
+[ "${PAUSE}" = "yes" ] && PAUSE_ON_FAIL=no
+
+if [ "$(id -u)" -ne 0 ];then
+	echo "SKIP: Need root privileges"
+	exit $ksft_skip;
+fi
+
+if [ ! -x "$(command -v ip)" ]; then
+	echo "SKIP: Could not run test without ip tool"
+	exit $ksft_skip
+fi
+
+ip route help 2>&1 | grep -q fibmatch
+if [ $? -ne 0 ]; then
+	echo "SKIP: iproute2 too old, missing fibmatch"
+	exit $ksft_skip
+fi
+
+# start clean
+cleanup &> /dev/null
+
+for t in $TESTS
+do
+	case $t in
+	fib_unreg_test|unregister)	fib_unreg_test;;
+	fib_down_test|down)		fib_down_test;;
+	fib_carrier_test|carrier)	fib_carrier_test;;
+	fib_rp_filter_test|rp_filter)	fib_rp_filter_test;;
+	fib_nexthop_test|nexthop)	fib_nexthop_test;;
+	fib_suppress_test|suppress)	fib_suppress_test;;
+	ipv6_route_test|ipv6_rt)	ipv6_route_test;;
+	ipv4_route_test|ipv4_rt)	ipv4_route_test;;
+	ipv6_addr_metric)		ipv6_addr_metric_test;;
+	ipv4_addr_metric)		ipv4_addr_metric_test;;
+	ipv6_route_metrics)		ipv6_route_metrics_test;;
+	ipv4_route_metrics)		ipv4_route_metrics_test;;
+	ipv4_route_v6_gw)		ipv4_route_v6_gw_test;;
+
+	help) echo "Test names: $TESTS"; exit 0;;
+	esac
+done
+
+if [ "$TESTS" != "none" ]; then
+	printf "\nTests passed: %3d\n" ${nsuccess}
+	printf "Tests failed: %3d\n"   ${nfail}
+fi
+
+exit $ret
diff --git a/tools/testing/selftests/net/forwarding/lib.sh b/tools/testing/selftests/net/forwarding/lib.sh
index f190ad58e00d4..4d8845a68cf28 100644
--- a/tools/testing/selftests/net/forwarding/lib.sh
+++ b/tools/testing/selftests/net/forwarding/lib.sh
@@ -562,14 +562,14 @@ sysctl_set()
 	local value=$1; shift
 
 	SYSCTL_ORIG[$key]=$(sysctl -n $key)
-	sysctl -qw $key=$value
+	sysctl -qw $key="$value"
 }
 
 sysctl_restore()
 {
 	local key=$1; shift
 
-	sysctl -qw $key=${SYSCTL_ORIG["$key"]}
+	sysctl -qw $key="${SYSCTL_ORIG[$key]}"
 }
 
 forwarding_enable()
diff --git a/tools/testing/selftests/net/udpgso_bench.sh b/tools/testing/selftests/net/udpgso_bench.sh
index dc932fd653634..640bc43452faa 100755
--- a/tools/testing/selftests/net/udpgso_bench.sh
+++ b/tools/testing/selftests/net/udpgso_bench.sh
@@ -7,6 +7,7 @@ readonly GREEN='\033[0;92m'
 readonly YELLOW='\033[0;33m'
 readonly RED='\033[0;31m'
 readonly NC='\033[0m' # No Color
+readonly TESTPORT=8000
 
 readonly KSFT_PASS=0
 readonly KSFT_FAIL=1
@@ -56,11 +57,26 @@ trap wake_children EXIT
 
 run_one() {
 	local -r args=$@
+	local nr_socks=0
+	local i=0
+	local -r timeout=10
+
+	./udpgso_bench_rx -p "$TESTPORT" &
+	./udpgso_bench_rx -p "$TESTPORT" -t &
+
+	# Wait for the above test program to get ready to receive connections.
+	while [ "$i" -lt "$timeout" ]; do
+		nr_socks="$(ss -lnHi | grep -c "\*:${TESTPORT}")"
+		[ "$nr_socks" -eq 2 ] && break
+		i=$((i + 1))
+		sleep 1
+	done
+	if [ "$nr_socks" -ne 2 ]; then
+		echo "timed out while waiting for udpgso_bench_rx"
+		exit 1
+	fi
 
-	./udpgso_bench_rx &
-	./udpgso_bench_rx -t &
-
-	./udpgso_bench_tx ${args}
+	./udpgso_bench_tx -p "$TESTPORT" ${args}
 }
 
 run_in_netns() {
diff --git a/tools/testing/selftests/net/udpgso_bench_rx.c b/tools/testing/selftests/net/udpgso_bench_rx.c
index 6a193425c367f..4058c7451e70d 100644
--- a/tools/testing/selftests/net/udpgso_bench_rx.c
+++ b/tools/testing/selftests/net/udpgso_bench_rx.c
@@ -250,7 +250,7 @@ static int recv_msg(int fd, char *buf, int len, int *gso_size)
 static void do_flush_udp(int fd)
 {
 	static char rbuf[ETH_MAX_MTU];
-	int ret, len, gso_size, budget = 256;
+	int ret, len, gso_size = 0, budget = 256;
 
 	len = cfg_read_all ? sizeof(rbuf) : 0;
 	while (budget--) {
@@ -336,6 +336,8 @@ static void parse_opts(int argc, char **argv)
 			cfg_verify = true;
 			cfg_read_all = true;
 			break;
+		default:
+			exit(1);
 		}
 	}
 
diff --git a/tools/testing/selftests/net/udpgso_bench_tx.c b/tools/testing/selftests/net/udpgso_bench_tx.c
index f1fdaa2702913..477392715a9ad 100644
--- a/tools/testing/selftests/net/udpgso_bench_tx.c
+++ b/tools/testing/selftests/net/udpgso_bench_tx.c
@@ -62,6 +62,7 @@ static int	cfg_payload_len	= (1472 * 42);
 static int	cfg_port	= 8000;
 static int	cfg_runtime_ms	= -1;
 static bool	cfg_poll;
+static int	cfg_poll_loop_timeout_ms = 2000;
 static bool	cfg_segment;
 static bool	cfg_sendmmsg;
 static bool	cfg_tcp;
@@ -235,16 +236,17 @@ static void flush_errqueue_recv(int fd)
 	}
 }
 
-static void flush_errqueue(int fd, const bool do_poll)
+static void flush_errqueue(int fd, const bool do_poll,
+			   unsigned long poll_timeout, const bool poll_err)
 {
 	if (do_poll) {
 		struct pollfd fds = {0};
 		int ret;
 
 		fds.fd = fd;
-		ret = poll(&fds, 1, 500);
+		ret = poll(&fds, 1, poll_timeout);
 		if (ret == 0) {
-			if (cfg_verbose)
+			if ((cfg_verbose) && (poll_err))
 				fprintf(stderr, "poll timeout\n");
 		} else if (ret < 0) {
 			error(1, errno, "poll");
@@ -254,6 +256,20 @@ static void flush_errqueue(int fd, const bool do_poll)
 	flush_errqueue_recv(fd);
 }
 
+static void flush_errqueue_retry(int fd, unsigned long num_sends)
+{
+	unsigned long tnow, tstop;
+	bool first_try = true;
+
+	tnow = gettimeofday_ms();
+	tstop = tnow + cfg_poll_loop_timeout_ms;
+	do {
+		flush_errqueue(fd, true, tstop - tnow, first_try);
+		first_try = false;
+		tnow = gettimeofday_ms();
+	} while ((stat_zcopies != num_sends) && (tnow < tstop));
+}
+
 static int send_tcp(int fd, char *data)
 {
 	int ret, done = 0, count = 0;
@@ -413,7 +429,8 @@ static int send_udp_segment(int fd, char *data)
 
 static void usage(const char *filepath)
 {
-	error(1, 0, "Usage: %s [-46acmHPtTuvz] [-C cpu] [-D dst ip] [-l secs] [-M messagenr] [-p port] [-s sendsize] [-S gsosize]",
+	error(1, 0, "Usage: %s [-46acmHPtTuvz] [-C cpu] [-D dst ip] [-l secs] "
+		    "[-L secs] [-M messagenr] [-p port] [-s sendsize] [-S gsosize]",
 		    filepath);
 }
 
@@ -423,7 +440,7 @@ static void parse_opts(int argc, char **argv)
 	int max_len, hdrlen;
 	int c;
 
-	while ((c = getopt(argc, argv, "46acC:D:Hl:mM:p:s:PS:tTuvz")) != -1) {
+	while ((c = getopt(argc, argv, "46acC:D:Hl:L:mM:p:s:PS:tTuvz")) != -1) {
 		switch (c) {
 		case '4':
 			if (cfg_family != PF_UNSPEC)
@@ -452,6 +469,9 @@ static void parse_opts(int argc, char **argv)
 		case 'l':
 			cfg_runtime_ms = strtoul(optarg, NULL, 10) * 1000;
 			break;
+		case 'L':
+			cfg_poll_loop_timeout_ms = strtoul(optarg, NULL, 10) * 1000;
+			break;
 		case 'm':
 			cfg_sendmmsg = true;
 			break;
@@ -490,6 +510,8 @@ static void parse_opts(int argc, char **argv)
 		case 'z':
 			cfg_zerocopy = true;
 			break;
+		default:
+			exit(1);
 		}
 	}
 
@@ -677,7 +699,7 @@ int main(int argc, char **argv)
 			num_sends += send_udp(fd, buf[i]);
 		num_msgs++;
 		if ((cfg_zerocopy && ((num_msgs & 0xF) == 0)) || cfg_tx_tstamp)
-			flush_errqueue(fd, cfg_poll);
+			flush_errqueue(fd, cfg_poll, 500, true);
 
 		if (cfg_msg_nr && num_msgs >= cfg_msg_nr)
 			break;
@@ -696,7 +718,7 @@ int main(int argc, char **argv)
 	} while (!interrupted && (cfg_runtime_ms == -1 || tnow < tstop));
 
 	if (cfg_zerocopy || cfg_tx_tstamp)
-		flush_errqueue(fd, true);
+		flush_errqueue_retry(fd, num_sends);
 
 	if (close(fd))
 		error(1, errno, "close");
diff --git a/tools/virtio/linux/bug.h b/tools/virtio/linux/bug.h
index b14c2c3b6b857..74aef964f5099 100644
--- a/tools/virtio/linux/bug.h
+++ b/tools/virtio/linux/bug.h
@@ -1,11 +1,9 @@
 /* SPDX-License-Identifier: GPL-2.0 */
-#ifndef BUG_H
-#define BUG_H
+#ifndef _LINUX_BUG_H
+#define _LINUX_BUG_H
 
 #define BUG_ON(__BUG_ON_cond) assert(!(__BUG_ON_cond))
 
-#define BUILD_BUG_ON(x)
-
 #define BUG() abort()
 
-#endif /* BUG_H */
+#endif /* _LINUX_BUG_H */
diff --git a/tools/virtio/linux/build_bug.h b/tools/virtio/linux/build_bug.h
new file mode 100644
index 0000000000000..cdbb75e28a604
--- /dev/null
+++ b/tools/virtio/linux/build_bug.h
@@ -0,0 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _LINUX_BUILD_BUG_H
+#define _LINUX_BUILD_BUG_H
+
+#define BUILD_BUG_ON(x)
+
+#endif	/* _LINUX_BUILD_BUG_H */
diff --git a/tools/virtio/linux/cpumask.h b/tools/virtio/linux/cpumask.h
new file mode 100644
index 0000000000000..307da69d6b26c
--- /dev/null
+++ b/tools/virtio/linux/cpumask.h
@@ -0,0 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _LINUX_CPUMASK_H
+#define _LINUX_CPUMASK_H
+
+#include <linux/kernel.h>
+
+#endif /* _LINUX_CPUMASK_H */
diff --git a/tools/virtio/linux/gfp.h b/tools/virtio/linux/gfp.h
new file mode 100644
index 0000000000000..43d146f236f14
--- /dev/null
+++ b/tools/virtio/linux/gfp.h
@@ -0,0 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __LINUX_GFP_H
+#define __LINUX_GFP_H
+
+#include <linux/topology.h>
+
+#endif
diff --git a/tools/virtio/linux/kernel.h b/tools/virtio/linux/kernel.h
index 6683b4a70b059..3325cdf229410 100644
--- a/tools/virtio/linux/kernel.h
+++ b/tools/virtio/linux/kernel.h
@@ -10,6 +10,7 @@
 #include <stdarg.h>
 
 #include <linux/compiler.h>
+#include <linux/log2.h>
 #include <linux/types.h>
 #include <linux/printk.h>
 #include <linux/bug.h>
diff --git a/tools/virtio/linux/kmsan.h b/tools/virtio/linux/kmsan.h
new file mode 100644
index 0000000000000..272b5aa285d5a
--- /dev/null
+++ b/tools/virtio/linux/kmsan.h
@@ -0,0 +1,12 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _LINUX_KMSAN_H
+#define _LINUX_KMSAN_H
+
+#include <linux/gfp.h>
+
+inline void kmsan_handle_dma(struct page *page, size_t offset, size_t size,
+			     enum dma_data_direction dir)
+{
+}
+
+#endif /* _LINUX_KMSAN_H */
diff --git a/tools/virtio/linux/scatterlist.h b/tools/virtio/linux/scatterlist.h
index 369ee308b6686..74d9e1825748e 100644
--- a/tools/virtio/linux/scatterlist.h
+++ b/tools/virtio/linux/scatterlist.h
@@ -2,6 +2,7 @@
 #ifndef SCATTERLIST_H
 #define SCATTERLIST_H
 #include <linux/kernel.h>
+#include <linux/bug.h>
 
 struct scatterlist {
 	unsigned long	page_link;
diff --git a/tools/virtio/linux/topology.h b/tools/virtio/linux/topology.h
new file mode 100644
index 0000000000000..910794afb993a
--- /dev/null
+++ b/tools/virtio/linux/topology.h
@@ -0,0 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _LINUX_TOPOLOGY_H
+#define _LINUX_TOPOLOGY_H
+
+#include <linux/cpumask.h>
+
+#endif /* _LINUX_TOPOLOGY_H */