[gentoo-commits] proj/linux-patches:4.19 commit in: /

["Mike Pagano" <mpagano@gentoo.org>]

commit:     d2975282a07e1079c8befdd23086852956fe4493
Author:     Mike Pagano <mpagano <AT> gentoo <DOT> org>
AuthorDate: Sat May  2 19:23:44 2020 +0000
Commit:     Mike Pagano <mpagano <AT> gentoo <DOT> org>
CommitDate: Sat May  2 19:23:44 2020 +0000
URL:        https://gitweb.gentoo.org/proj/linux-patches.git/commit/?id=d2975282

Linux patch 4.19.120

Signed-off-by: Mike Pagano <mpagano <AT> gentoo.org>

 0000_README               |    4 +
 1119_linux-4.19.120.patch | 1834 +++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 1838 insertions(+)

diff --git a/0000_README b/0000_README
index 36e1c22..8850298 100644
--- a/0000_README
+++ b/0000_README
@@ -515,6 +515,10 @@ Patch:  1118_linux-4.19.119.patch
 From:   https://www.kernel.org
 Desc:   Linux 4.19.119
 
+Patch:  1119_linux-4.19.120.patch
+From:   https://www.kernel.org
+Desc:   Linux 4.19.120
+
 Patch:  1500_XATTR_USER_PREFIX.patch
 From:   https://bugs.gentoo.org/show_bug.cgi?id=470644
 Desc:   Support for namespace user.pax.* on tmpfs.

diff --git a/1119_linux-4.19.120.patch b/1119_linux-4.19.120.patch
new file mode 100644
index 0000000..6f1d761
--- /dev/null
+++ b/1119_linux-4.19.120.patch
@@ -0,0 +1,1834 @@
+diff --git a/Makefile b/Makefile
+index 69c95fe6fba5..74b60bf2ff79 100644
+--- a/Makefile
++++ b/Makefile
+@@ -1,7 +1,7 @@
+ # SPDX-License-Identifier: GPL-2.0
+ VERSION = 4
+ PATCHLEVEL = 19
+-SUBLEVEL = 119
++SUBLEVEL = 120
+ EXTRAVERSION =
+ NAME = "People's Front"
+ 
+diff --git a/arch/arm/boot/dts/bcm283x.dtsi b/arch/arm/boot/dts/bcm283x.dtsi
+index c9322a56300d..f9add515301f 100644
+--- a/arch/arm/boot/dts/bcm283x.dtsi
++++ b/arch/arm/boot/dts/bcm283x.dtsi
+@@ -476,6 +476,7 @@
+ 					     "dsi0_ddr2",
+ 					     "dsi0_ddr";
+ 
++			status = "disabled";
+ 		};
+ 
+ 		thermal: thermal@7e212000 {
+diff --git a/arch/arm64/include/asm/sysreg.h b/arch/arm64/include/asm/sysreg.h
+index 3091ae5975a3..ed99d941c462 100644
+--- a/arch/arm64/include/asm/sysreg.h
++++ b/arch/arm64/include/asm/sysreg.h
+@@ -60,7 +60,9 @@
+ #ifndef CONFIG_BROKEN_GAS_INST
+ 
+ #ifdef __ASSEMBLY__
+-#define __emit_inst(x)			.inst (x)
++// The space separator is omitted so that __emit_inst(x) can be parsed as
++// either an assembler directive or an assembler macro argument.
++#define __emit_inst(x)			.inst(x)
+ #else
+ #define __emit_inst(x)			".inst " __stringify((x)) "\n\t"
+ #endif
+diff --git a/arch/x86/kernel/cpu/mshyperv.c b/arch/x86/kernel/cpu/mshyperv.c
+index fc93ae325515..f8b0fa2dbe37 100644
+--- a/arch/x86/kernel/cpu/mshyperv.c
++++ b/arch/x86/kernel/cpu/mshyperv.c
+@@ -214,8 +214,8 @@ static void __init ms_hyperv_init_platform(void)
+ 	ms_hyperv.misc_features = cpuid_edx(HYPERV_CPUID_FEATURES);
+ 	ms_hyperv.hints    = cpuid_eax(HYPERV_CPUID_ENLIGHTMENT_INFO);
+ 
+-	pr_info("Hyper-V: features 0x%x, hints 0x%x\n",
+-		ms_hyperv.features, ms_hyperv.hints);
++	pr_info("Hyper-V: features 0x%x, hints 0x%x, misc 0x%x\n",
++		ms_hyperv.features, ms_hyperv.hints, ms_hyperv.misc_features);
+ 
+ 	ms_hyperv.max_vp_index = cpuid_eax(HYPERV_CPUID_IMPLEMENT_LIMITS);
+ 	ms_hyperv.max_lp_index = cpuid_ebx(HYPERV_CPUID_IMPLEMENT_LIMITS);
+diff --git a/arch/x86/net/bpf_jit_comp.c b/arch/x86/net/bpf_jit_comp.c
+index a32fc3d99407..46ab92831251 100644
+--- a/arch/x86/net/bpf_jit_comp.c
++++ b/arch/x86/net/bpf_jit_comp.c
+@@ -142,6 +142,19 @@ static bool is_ereg(u32 reg)
+ 			     BIT(BPF_REG_AX));
+ }
+ 
++/*
++ * is_ereg_8l() == true if BPF register 'reg' is mapped to access x86-64
++ * lower 8-bit registers dil,sil,bpl,spl,r8b..r15b, which need extra byte
++ * of encoding. al,cl,dl,bl have simpler encoding.
++ */
++static bool is_ereg_8l(u32 reg)
++{
++	return is_ereg(reg) ||
++	    (1 << reg) & (BIT(BPF_REG_1) |
++			  BIT(BPF_REG_2) |
++			  BIT(BPF_REG_FP));
++}
++
+ static bool is_axreg(u32 reg)
+ {
+ 	return reg == BPF_REG_0;
+@@ -751,9 +764,8 @@ st:			if (is_imm8(insn->off))
+ 			/* STX: *(u8*)(dst_reg + off) = src_reg */
+ 		case BPF_STX | BPF_MEM | BPF_B:
+ 			/* Emit 'mov byte ptr [rax + off], al' */
+-			if (is_ereg(dst_reg) || is_ereg(src_reg) ||
+-			    /* We have to add extra byte for x86 SIL, DIL regs */
+-			    src_reg == BPF_REG_1 || src_reg == BPF_REG_2)
++			if (is_ereg(dst_reg) || is_ereg_8l(src_reg))
++				/* Add extra byte for eregs or SIL,DIL,BPL in src_reg */
+ 				EMIT2(add_2mod(0x40, dst_reg, src_reg), 0x88);
+ 			else
+ 				EMIT1(0x88);
+diff --git a/arch/x86/net/bpf_jit_comp32.c b/arch/x86/net/bpf_jit_comp32.c
+index 24d573bc550d..2eaf1900ba67 100644
+--- a/arch/x86/net/bpf_jit_comp32.c
++++ b/arch/x86/net/bpf_jit_comp32.c
+@@ -1830,7 +1830,9 @@ static int do_jit(struct bpf_prog *bpf_prog, int *addrs, u8 *image,
+ 					      STACK_VAR(dst_hi));
+ 					EMIT(0x0, 4);
+ 				} else {
+-					EMIT3(0xC7, add_1reg(0xC0, dst_hi), 0);
++					/* xor dst_hi,dst_hi */
++					EMIT2(0x33,
++					      add_2reg(0xC0, dst_hi, dst_hi));
+ 				}
+ 				break;
+ 			case BPF_DW:
+@@ -1968,8 +1970,8 @@ static int do_jit(struct bpf_prog *bpf_prog, int *addrs, u8 *image,
+ 			goto emit_cond_jmp_signed;
+ 		}
+ 		case BPF_JMP | BPF_JSET | BPF_X: {
+-			u8 dreg_lo = dstk ? IA32_EAX : dst_lo;
+-			u8 dreg_hi = dstk ? IA32_EDX : dst_hi;
++			u8 dreg_lo = IA32_EAX;
++			u8 dreg_hi = IA32_EDX;
+ 			u8 sreg_lo = sstk ? IA32_ECX : src_lo;
+ 			u8 sreg_hi = sstk ? IA32_EBX : src_hi;
+ 
+@@ -1978,6 +1980,12 @@ static int do_jit(struct bpf_prog *bpf_prog, int *addrs, u8 *image,
+ 				      STACK_VAR(dst_lo));
+ 				EMIT3(0x8B, add_2reg(0x40, IA32_EBP, IA32_EDX),
+ 				      STACK_VAR(dst_hi));
++			} else {
++				/* mov dreg_lo,dst_lo */
++				EMIT2(0x89, add_2reg(0xC0, dreg_lo, dst_lo));
++				/* mov dreg_hi,dst_hi */
++				EMIT2(0x89,
++				      add_2reg(0xC0, dreg_hi, dst_hi));
+ 			}
+ 
+ 			if (sstk) {
+@@ -1996,8 +2004,8 @@ static int do_jit(struct bpf_prog *bpf_prog, int *addrs, u8 *image,
+ 		}
+ 		case BPF_JMP | BPF_JSET | BPF_K: {
+ 			u32 hi;
+-			u8 dreg_lo = dstk ? IA32_EAX : dst_lo;
+-			u8 dreg_hi = dstk ? IA32_EDX : dst_hi;
++			u8 dreg_lo = IA32_EAX;
++			u8 dreg_hi = IA32_EDX;
+ 			u8 sreg_lo = IA32_ECX;
+ 			u8 sreg_hi = IA32_EBX;
+ 
+@@ -2006,6 +2014,12 @@ static int do_jit(struct bpf_prog *bpf_prog, int *addrs, u8 *image,
+ 				      STACK_VAR(dst_lo));
+ 				EMIT3(0x8B, add_2reg(0x40, IA32_EBP, IA32_EDX),
+ 				      STACK_VAR(dst_hi));
++			} else {
++				/* mov dreg_lo,dst_lo */
++				EMIT2(0x89, add_2reg(0xC0, dreg_lo, dst_lo));
++				/* mov dreg_hi,dst_hi */
++				EMIT2(0x89,
++				      add_2reg(0xC0, dreg_hi, dst_hi));
+ 			}
+ 			hi = imm32 & (1<<31) ? (u32)~0 : 0;
+ 
+diff --git a/drivers/android/binder_alloc.c b/drivers/android/binder_alloc.c
+index c3fdd79c4082..6e5e6fb7e4c9 100644
+--- a/drivers/android/binder_alloc.c
++++ b/drivers/android/binder_alloc.c
+@@ -970,8 +970,8 @@ enum lru_status binder_alloc_free_page(struct list_head *item,
+ 	mm = alloc->vma_vm_mm;
+ 	if (!mmget_not_zero(mm))
+ 		goto err_mmget;
+-	if (!down_write_trylock(&mm->mmap_sem))
+-		goto err_down_write_mmap_sem_failed;
++	if (!down_read_trylock(&mm->mmap_sem))
++		goto err_down_read_mmap_sem_failed;
+ 	vma = binder_alloc_get_vma(alloc);
+ 
+ 	list_lru_isolate(lru, item);
+@@ -986,7 +986,7 @@ enum lru_status binder_alloc_free_page(struct list_head *item,
+ 
+ 		trace_binder_unmap_user_end(alloc, index);
+ 	}
+-	up_write(&mm->mmap_sem);
++	up_read(&mm->mmap_sem);
+ 	mmput(mm);
+ 
+ 	trace_binder_unmap_kernel_start(alloc, index);
+@@ -1001,7 +1001,7 @@ enum lru_status binder_alloc_free_page(struct list_head *item,
+ 	mutex_unlock(&alloc->mutex);
+ 	return LRU_REMOVED_RETRY;
+ 
+-err_down_write_mmap_sem_failed:
++err_down_read_mmap_sem_failed:
+ 	mmput_async(mm);
+ err_mmget:
+ err_page_already_freed:
+diff --git a/drivers/hwmon/jc42.c b/drivers/hwmon/jc42.c
+index e5234f953a6d..b6e5aaa54963 100644
+--- a/drivers/hwmon/jc42.c
++++ b/drivers/hwmon/jc42.c
+@@ -527,7 +527,7 @@ static int jc42_probe(struct i2c_client *client, const struct i2c_device_id *id)
+ 	}
+ 	data->config = config;
+ 
+-	hwmon_dev = devm_hwmon_device_register_with_info(dev, client->name,
++	hwmon_dev = devm_hwmon_device_register_with_info(dev, "jc42",
+ 							 data, &jc42_chip_info,
+ 							 NULL);
+ 	return PTR_ERR_OR_ZERO(hwmon_dev);
+diff --git a/drivers/i2c/busses/i2c-altera.c b/drivers/i2c/busses/i2c-altera.c
+index a1cdcfc74acf..8915ee30a5b4 100644
+--- a/drivers/i2c/busses/i2c-altera.c
++++ b/drivers/i2c/busses/i2c-altera.c
+@@ -395,7 +395,6 @@ static int altr_i2c_probe(struct platform_device *pdev)
+ 	struct altr_i2c_dev *idev = NULL;
+ 	struct resource *res;
+ 	int irq, ret;
+-	u32 val;
+ 
+ 	idev = devm_kzalloc(&pdev->dev, sizeof(*idev), GFP_KERNEL);
+ 	if (!idev)
+@@ -422,17 +421,17 @@ static int altr_i2c_probe(struct platform_device *pdev)
+ 	init_completion(&idev->msg_complete);
+ 	spin_lock_init(&idev->lock);
+ 
+-	val = device_property_read_u32(idev->dev, "fifo-size",
++	ret = device_property_read_u32(idev->dev, "fifo-size",
+ 				       &idev->fifo_size);
+-	if (val) {
++	if (ret) {
+ 		dev_err(&pdev->dev, "FIFO size set to default of %d\n",
+ 			ALTR_I2C_DFLT_FIFO_SZ);
+ 		idev->fifo_size = ALTR_I2C_DFLT_FIFO_SZ;
+ 	}
+ 
+-	val = device_property_read_u32(idev->dev, "clock-frequency",
++	ret = device_property_read_u32(idev->dev, "clock-frequency",
+ 				       &idev->bus_clk_rate);
+-	if (val) {
++	if (ret) {
+ 		dev_err(&pdev->dev, "Default to 100kHz\n");
+ 		idev->bus_clk_rate = 100000;	/* default clock rate */
+ 	}
+diff --git a/drivers/iio/adc/ad7793.c b/drivers/iio/adc/ad7793.c
+index d4bbe5b53318..23a6e7baa396 100644
+--- a/drivers/iio/adc/ad7793.c
++++ b/drivers/iio/adc/ad7793.c
+@@ -542,7 +542,7 @@ static const struct iio_info ad7797_info = {
+ 	.read_raw = &ad7793_read_raw,
+ 	.write_raw = &ad7793_write_raw,
+ 	.write_raw_get_fmt = &ad7793_write_raw_get_fmt,
+-	.attrs = &ad7793_attribute_group,
++	.attrs = &ad7797_attribute_group,
+ 	.validate_trigger = ad_sd_validate_trigger,
+ };
+ 
+diff --git a/drivers/mtd/chips/cfi_cmdset_0002.c b/drivers/mtd/chips/cfi_cmdset_0002.c
+index ba44ea6d497e..1dbc9554a078 100644
+--- a/drivers/mtd/chips/cfi_cmdset_0002.c
++++ b/drivers/mtd/chips/cfi_cmdset_0002.c
+@@ -1882,7 +1882,11 @@ static int __xipram do_write_buffer(struct map_info *map, struct flchip *chip,
+ 			continue;
+ 		}
+ 
+-		if (time_after(jiffies, timeo) && !chip_ready(map, adr))
++		/*
++		 * We check "time_after" and "!chip_good" before checking "chip_good" to avoid
++		 * the failure due to scheduling.
++		 */
++		if (time_after(jiffies, timeo) && !chip_good(map, adr, datum))
+ 			break;
+ 
+ 		if (chip_good(map, adr, datum)) {
+diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
+index 8350c0c9b89d..5934ec9b6a31 100644
+--- a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
++++ b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
+@@ -3748,7 +3748,7 @@ int t4_phy_fw_ver(struct adapter *adap, int *phy_fw_ver)
+ 		 FW_PARAMS_PARAM_Z_V(FW_PARAMS_PARAM_DEV_PHYFW_VERSION));
+ 	ret = t4_query_params(adap, adap->mbox, adap->pf, 0, 1,
+ 			      &param, &val);
+-	if (ret < 0)
++	if (ret)
+ 		return ret;
+ 	*phy_fw_ver = val;
+ 	return 0;
+diff --git a/drivers/net/ethernet/freescale/fec.h b/drivers/net/ethernet/freescale/fec.h
+index bf80855dd0dd..d06a89e99872 100644
+--- a/drivers/net/ethernet/freescale/fec.h
++++ b/drivers/net/ethernet/freescale/fec.h
+@@ -488,6 +488,12 @@ struct fec_enet_priv_rx_q {
+ 	struct  sk_buff *rx_skbuff[RX_RING_SIZE];
+ };
+ 
++struct fec_stop_mode_gpr {
++	struct regmap *gpr;
++	u8 reg;
++	u8 bit;
++};
++
+ /* The FEC buffer descriptors track the ring buffers.  The rx_bd_base and
+  * tx_bd_base always point to the base of the buffer descriptors.  The
+  * cur_rx and cur_tx point to the currently available buffer.
+@@ -563,6 +569,7 @@ struct fec_enet_private {
+ 	int hwts_tx_en;
+ 	struct delayed_work time_keep;
+ 	struct regulator *reg_phy;
++	struct fec_stop_mode_gpr stop_gpr;
+ 
+ 	unsigned int tx_align;
+ 	unsigned int rx_align;
+diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c
+index 9142992ccd5a..48c58f93b124 100644
+--- a/drivers/net/ethernet/freescale/fec_main.c
++++ b/drivers/net/ethernet/freescale/fec_main.c
+@@ -62,6 +62,8 @@
+ #include <linux/if_vlan.h>
+ #include <linux/pinctrl/consumer.h>
+ #include <linux/prefetch.h>
++#include <linux/mfd/syscon.h>
++#include <linux/regmap.h>
+ #include <soc/imx/cpuidle.h>
+ 
+ #include <asm/cacheflush.h>
+@@ -84,6 +86,56 @@ static void fec_enet_itr_coal_init(struct net_device *ndev);
+ #define FEC_ENET_OPD_V	0xFFF0
+ #define FEC_MDIO_PM_TIMEOUT  100 /* ms */
+ 
++struct fec_devinfo {
++	u32 quirks;
++	u8 stop_gpr_reg;
++	u8 stop_gpr_bit;
++};
++
++static const struct fec_devinfo fec_imx25_info = {
++	.quirks = FEC_QUIRK_USE_GASKET | FEC_QUIRK_MIB_CLEAR |
++		  FEC_QUIRK_HAS_FRREG,
++};
++
++static const struct fec_devinfo fec_imx27_info = {
++	.quirks = FEC_QUIRK_MIB_CLEAR | FEC_QUIRK_HAS_FRREG,
++};
++
++static const struct fec_devinfo fec_imx28_info = {
++	.quirks = FEC_QUIRK_ENET_MAC | FEC_QUIRK_SWAP_FRAME |
++		  FEC_QUIRK_SINGLE_MDIO | FEC_QUIRK_HAS_RACC |
++		  FEC_QUIRK_HAS_FRREG,
++};
++
++static const struct fec_devinfo fec_imx6q_info = {
++	.quirks = FEC_QUIRK_ENET_MAC | FEC_QUIRK_HAS_GBIT |
++		  FEC_QUIRK_HAS_BUFDESC_EX | FEC_QUIRK_HAS_CSUM |
++		  FEC_QUIRK_HAS_VLAN | FEC_QUIRK_ERR006358 |
++		  FEC_QUIRK_HAS_RACC,
++	.stop_gpr_reg = 0x34,
++	.stop_gpr_bit = 27,
++};
++
++static const struct fec_devinfo fec_mvf600_info = {
++	.quirks = FEC_QUIRK_ENET_MAC | FEC_QUIRK_HAS_RACC,
++};
++
++static const struct fec_devinfo fec_imx6x_info = {
++	.quirks = FEC_QUIRK_ENET_MAC | FEC_QUIRK_HAS_GBIT |
++		  FEC_QUIRK_HAS_BUFDESC_EX | FEC_QUIRK_HAS_CSUM |
++		  FEC_QUIRK_HAS_VLAN | FEC_QUIRK_HAS_AVB |
++		  FEC_QUIRK_ERR007885 | FEC_QUIRK_BUG_CAPTURE |
++		  FEC_QUIRK_HAS_RACC | FEC_QUIRK_HAS_COALESCE,
++};
++
++static const struct fec_devinfo fec_imx6ul_info = {
++	.quirks = FEC_QUIRK_ENET_MAC | FEC_QUIRK_HAS_GBIT |
++		  FEC_QUIRK_HAS_BUFDESC_EX | FEC_QUIRK_HAS_CSUM |
++		  FEC_QUIRK_HAS_VLAN | FEC_QUIRK_ERR007885 |
++		  FEC_QUIRK_BUG_CAPTURE | FEC_QUIRK_HAS_RACC |
++		  FEC_QUIRK_HAS_COALESCE,
++};
++
+ static struct platform_device_id fec_devtype[] = {
+ 	{
+ 		/* keep it for coldfire */
+@@ -91,39 +143,25 @@ static struct platform_device_id fec_devtype[] = {
+ 		.driver_data = 0,
+ 	}, {
+ 		.name = "imx25-fec",
+-		.driver_data = FEC_QUIRK_USE_GASKET | FEC_QUIRK_MIB_CLEAR |
+-			       FEC_QUIRK_HAS_FRREG,
++		.driver_data = (kernel_ulong_t)&fec_imx25_info,
+ 	}, {
+ 		.name = "imx27-fec",
+-		.driver_data = FEC_QUIRK_MIB_CLEAR | FEC_QUIRK_HAS_FRREG,
++		.driver_data = (kernel_ulong_t)&fec_imx27_info,
+ 	}, {
+ 		.name = "imx28-fec",
+-		.driver_data = FEC_QUIRK_ENET_MAC | FEC_QUIRK_SWAP_FRAME |
+-				FEC_QUIRK_SINGLE_MDIO | FEC_QUIRK_HAS_RACC |
+-				FEC_QUIRK_HAS_FRREG,
++		.driver_data = (kernel_ulong_t)&fec_imx28_info,
+ 	}, {
+ 		.name = "imx6q-fec",
+-		.driver_data = FEC_QUIRK_ENET_MAC | FEC_QUIRK_HAS_GBIT |
+-				FEC_QUIRK_HAS_BUFDESC_EX | FEC_QUIRK_HAS_CSUM |
+-				FEC_QUIRK_HAS_VLAN | FEC_QUIRK_ERR006358 |
+-				FEC_QUIRK_HAS_RACC,
++		.driver_data = (kernel_ulong_t)&fec_imx6q_info,
+ 	}, {
+ 		.name = "mvf600-fec",
+-		.driver_data = FEC_QUIRK_ENET_MAC | FEC_QUIRK_HAS_RACC,
++		.driver_data = (kernel_ulong_t)&fec_mvf600_info,
+ 	}, {
+ 		.name = "imx6sx-fec",
+-		.driver_data = FEC_QUIRK_ENET_MAC | FEC_QUIRK_HAS_GBIT |
+-				FEC_QUIRK_HAS_BUFDESC_EX | FEC_QUIRK_HAS_CSUM |
+-				FEC_QUIRK_HAS_VLAN | FEC_QUIRK_HAS_AVB |
+-				FEC_QUIRK_ERR007885 | FEC_QUIRK_BUG_CAPTURE |
+-				FEC_QUIRK_HAS_RACC | FEC_QUIRK_HAS_COALESCE,
++		.driver_data = (kernel_ulong_t)&fec_imx6x_info,
+ 	}, {
+ 		.name = "imx6ul-fec",
+-		.driver_data = FEC_QUIRK_ENET_MAC | FEC_QUIRK_HAS_GBIT |
+-				FEC_QUIRK_HAS_BUFDESC_EX | FEC_QUIRK_HAS_CSUM |
+-				FEC_QUIRK_HAS_VLAN | FEC_QUIRK_ERR007885 |
+-				FEC_QUIRK_BUG_CAPTURE | FEC_QUIRK_HAS_RACC |
+-				FEC_QUIRK_HAS_COALESCE,
++		.driver_data = (kernel_ulong_t)&fec_imx6ul_info,
+ 	}, {
+ 		/* sentinel */
+ 	}
+@@ -1089,11 +1127,28 @@ fec_restart(struct net_device *ndev)
+ 
+ }
+ 
++static void fec_enet_stop_mode(struct fec_enet_private *fep, bool enabled)
++{
++	struct fec_platform_data *pdata = fep->pdev->dev.platform_data;
++	struct fec_stop_mode_gpr *stop_gpr = &fep->stop_gpr;
++
++	if (stop_gpr->gpr) {
++		if (enabled)
++			regmap_update_bits(stop_gpr->gpr, stop_gpr->reg,
++					   BIT(stop_gpr->bit),
++					   BIT(stop_gpr->bit));
++		else
++			regmap_update_bits(stop_gpr->gpr, stop_gpr->reg,
++					   BIT(stop_gpr->bit), 0);
++	} else if (pdata && pdata->sleep_mode_enable) {
++		pdata->sleep_mode_enable(enabled);
++	}
++}
++
+ static void
+ fec_stop(struct net_device *ndev)
+ {
+ 	struct fec_enet_private *fep = netdev_priv(ndev);
+-	struct fec_platform_data *pdata = fep->pdev->dev.platform_data;
+ 	u32 rmii_mode = readl(fep->hwp + FEC_R_CNTRL) & (1 << 8);
+ 	u32 val;
+ 
+@@ -1122,9 +1177,7 @@ fec_stop(struct net_device *ndev)
+ 		val = readl(fep->hwp + FEC_ECNTRL);
+ 		val |= (FEC_ECR_MAGICEN | FEC_ECR_SLEEP);
+ 		writel(val, fep->hwp + FEC_ECNTRL);
+-
+-		if (pdata && pdata->sleep_mode_enable)
+-			pdata->sleep_mode_enable(true);
++		fec_enet_stop_mode(fep, true);
+ 	}
+ 	writel(fep->phy_speed, fep->hwp + FEC_MII_SPEED);
+ 
+@@ -3347,6 +3400,37 @@ static int fec_enet_get_irq_cnt(struct platform_device *pdev)
+ 	return irq_cnt;
+ }
+ 
++static int fec_enet_init_stop_mode(struct fec_enet_private *fep,
++				   struct fec_devinfo *dev_info,
++				   struct device_node *np)
++{
++	struct device_node *gpr_np;
++	int ret = 0;
++
++	if (!dev_info)
++		return 0;
++
++	gpr_np = of_parse_phandle(np, "gpr", 0);
++	if (!gpr_np)
++		return 0;
++
++	fep->stop_gpr.gpr = syscon_node_to_regmap(gpr_np);
++	if (IS_ERR(fep->stop_gpr.gpr)) {
++		dev_err(&fep->pdev->dev, "could not find gpr regmap\n");
++		ret = PTR_ERR(fep->stop_gpr.gpr);
++		fep->stop_gpr.gpr = NULL;
++		goto out;
++	}
++
++	fep->stop_gpr.reg = dev_info->stop_gpr_reg;
++	fep->stop_gpr.bit = dev_info->stop_gpr_bit;
++
++out:
++	of_node_put(gpr_np);
++
++	return ret;
++}
++
+ static int
+ fec_probe(struct platform_device *pdev)
+ {
+@@ -3362,6 +3446,7 @@ fec_probe(struct platform_device *pdev)
+ 	int num_rx_qs;
+ 	char irq_name[8];
+ 	int irq_cnt;
++	struct fec_devinfo *dev_info;
+ 
+ 	fec_enet_get_queue_num(pdev, &num_tx_qs, &num_rx_qs);
+ 
+@@ -3379,7 +3464,9 @@ fec_probe(struct platform_device *pdev)
+ 	of_id = of_match_device(fec_dt_ids, &pdev->dev);
+ 	if (of_id)
+ 		pdev->id_entry = of_id->data;
+-	fep->quirks = pdev->id_entry->driver_data;
++	dev_info = (struct fec_devinfo *)pdev->id_entry->driver_data;
++	if (dev_info)
++		fep->quirks = dev_info->quirks;
+ 
+ 	fep->netdev = ndev;
+ 	fep->num_rx_queues = num_rx_qs;
+@@ -3414,6 +3501,10 @@ fec_probe(struct platform_device *pdev)
+ 	if (of_get_property(np, "fsl,magic-packet", NULL))
+ 		fep->wol_flag |= FEC_WOL_HAS_MAGIC_PACKET;
+ 
++	ret = fec_enet_init_stop_mode(fep, dev_info, np);
++	if (ret)
++		goto failed_stop_mode;
++
+ 	phy_node = of_parse_phandle(np, "phy-handle", 0);
+ 	if (!phy_node && of_phy_is_fixed_link(np)) {
+ 		ret = of_phy_register_fixed_link(np);
+@@ -3583,6 +3674,7 @@ failed_clk:
+ 	if (of_phy_is_fixed_link(np))
+ 		of_phy_deregister_fixed_link(np);
+ 	of_node_put(phy_node);
++failed_stop_mode:
+ failed_phy:
+ 	dev_id--;
+ failed_ioremap:
+@@ -3660,7 +3752,6 @@ static int __maybe_unused fec_resume(struct device *dev)
+ {
+ 	struct net_device *ndev = dev_get_drvdata(dev);
+ 	struct fec_enet_private *fep = netdev_priv(ndev);
+-	struct fec_platform_data *pdata = fep->pdev->dev.platform_data;
+ 	int ret;
+ 	int val;
+ 
+@@ -3678,8 +3769,8 @@ static int __maybe_unused fec_resume(struct device *dev)
+ 			goto failed_clk;
+ 		}
+ 		if (fep->wol_flag & FEC_WOL_FLAG_ENABLE) {
+-			if (pdata && pdata->sleep_mode_enable)
+-				pdata->sleep_mode_enable(false);
++			fec_enet_stop_mode(fep, false);
++
+ 			val = readl(fep->hwp + FEC_ECNTRL);
+ 			val &= ~(FEC_ECR_MAGICEN | FEC_ECR_SLEEP);
+ 			writel(val, fep->hwp + FEC_ECNTRL);
+diff --git a/drivers/net/ethernet/mellanox/mlx5/core/diag/fw_tracer.c b/drivers/net/ethernet/mellanox/mlx5/core/diag/fw_tracer.c
+index d4ec93bde4de..2266c09b741a 100644
+--- a/drivers/net/ethernet/mellanox/mlx5/core/diag/fw_tracer.c
++++ b/drivers/net/ethernet/mellanox/mlx5/core/diag/fw_tracer.c
+@@ -796,7 +796,7 @@ struct mlx5_fw_tracer *mlx5_fw_tracer_create(struct mlx5_core_dev *dev)
+ 		return NULL;
+ 	}
+ 
+-	tracer = kzalloc(sizeof(*tracer), GFP_KERNEL);
++	tracer = kvzalloc(sizeof(*tracer), GFP_KERNEL);
+ 	if (!tracer)
+ 		return ERR_PTR(-ENOMEM);
+ 
+@@ -842,7 +842,7 @@ destroy_workqueue:
+ 	tracer->dev = NULL;
+ 	destroy_workqueue(tracer->work_queue);
+ free_tracer:
+-	kfree(tracer);
++	kvfree(tracer);
+ 	return ERR_PTR(err);
+ }
+ 
+@@ -919,7 +919,7 @@ void mlx5_fw_tracer_destroy(struct mlx5_fw_tracer *tracer)
+ 	mlx5_fw_tracer_destroy_log_buf(tracer);
+ 	flush_workqueue(tracer->work_queue);
+ 	destroy_workqueue(tracer->work_queue);
+-	kfree(tracer);
++	kvfree(tracer);
+ }
+ 
+ void mlx5_fw_tracer_event(struct mlx5_core_dev *dev, struct mlx5_eqe *eqe)
+diff --git a/drivers/net/ethernet/qlogic/qed/qed_dev.c b/drivers/net/ethernet/qlogic/qed/qed_dev.c
+index a6a9688db307..e50fc8f714dc 100644
+--- a/drivers/net/ethernet/qlogic/qed/qed_dev.c
++++ b/drivers/net/ethernet/qlogic/qed/qed_dev.c
+@@ -3316,26 +3316,20 @@ static void qed_chain_free_single(struct qed_dev *cdev,
+ 
+ static void qed_chain_free_pbl(struct qed_dev *cdev, struct qed_chain *p_chain)
+ {
+-	void **pp_virt_addr_tbl = p_chain->pbl.pp_virt_addr_tbl;
++	struct addr_tbl_entry *pp_addr_tbl = p_chain->pbl.pp_addr_tbl;
+ 	u32 page_cnt = p_chain->page_cnt, i, pbl_size;
+-	u8 *p_pbl_virt = p_chain->pbl_sp.p_virt_table;
+ 
+-	if (!pp_virt_addr_tbl)
++	if (!pp_addr_tbl)
+ 		return;
+ 
+-	if (!p_pbl_virt)
+-		goto out;
+-
+ 	for (i = 0; i < page_cnt; i++) {
+-		if (!pp_virt_addr_tbl[i])
++		if (!pp_addr_tbl[i].virt_addr || !pp_addr_tbl[i].dma_map)
+ 			break;
+ 
+ 		dma_free_coherent(&cdev->pdev->dev,
+ 				  QED_CHAIN_PAGE_SIZE,
+-				  pp_virt_addr_tbl[i],
+-				  *(dma_addr_t *)p_pbl_virt);
+-
+-		p_pbl_virt += QED_CHAIN_PBL_ENTRY_SIZE;
++				  pp_addr_tbl[i].virt_addr,
++				  pp_addr_tbl[i].dma_map);
+ 	}
+ 
+ 	pbl_size = page_cnt * QED_CHAIN_PBL_ENTRY_SIZE;
+@@ -3345,9 +3339,9 @@ static void qed_chain_free_pbl(struct qed_dev *cdev, struct qed_chain *p_chain)
+ 				  pbl_size,
+ 				  p_chain->pbl_sp.p_virt_table,
+ 				  p_chain->pbl_sp.p_phys_table);
+-out:
+-	vfree(p_chain->pbl.pp_virt_addr_tbl);
+-	p_chain->pbl.pp_virt_addr_tbl = NULL;
++
++	vfree(p_chain->pbl.pp_addr_tbl);
++	p_chain->pbl.pp_addr_tbl = NULL;
+ }
+ 
+ void qed_chain_free(struct qed_dev *cdev, struct qed_chain *p_chain)
+@@ -3448,19 +3442,19 @@ qed_chain_alloc_pbl(struct qed_dev *cdev,
+ {
+ 	u32 page_cnt = p_chain->page_cnt, size, i;
+ 	dma_addr_t p_phys = 0, p_pbl_phys = 0;
+-	void **pp_virt_addr_tbl = NULL;
++	struct addr_tbl_entry *pp_addr_tbl;
+ 	u8 *p_pbl_virt = NULL;
+ 	void *p_virt = NULL;
+ 
+-	size = page_cnt * sizeof(*pp_virt_addr_tbl);
+-	pp_virt_addr_tbl = vzalloc(size);
+-	if (!pp_virt_addr_tbl)
++	size = page_cnt * sizeof(*pp_addr_tbl);
++	pp_addr_tbl =  vzalloc(size);
++	if (!pp_addr_tbl)
+ 		return -ENOMEM;
+ 
+ 	/* The allocation of the PBL table is done with its full size, since it
+ 	 * is expected to be successive.
+ 	 * qed_chain_init_pbl_mem() is called even in a case of an allocation
+-	 * failure, since pp_virt_addr_tbl was previously allocated, and it
++	 * failure, since tbl was previously allocated, and it
+ 	 * should be saved to allow its freeing during the error flow.
+ 	 */
+ 	size = page_cnt * QED_CHAIN_PBL_ENTRY_SIZE;
+@@ -3474,8 +3468,7 @@ qed_chain_alloc_pbl(struct qed_dev *cdev,
+ 		p_chain->b_external_pbl = true;
+ 	}
+ 
+-	qed_chain_init_pbl_mem(p_chain, p_pbl_virt, p_pbl_phys,
+-			       pp_virt_addr_tbl);
++	qed_chain_init_pbl_mem(p_chain, p_pbl_virt, p_pbl_phys, pp_addr_tbl);
+ 	if (!p_pbl_virt)
+ 		return -ENOMEM;
+ 
+@@ -3494,7 +3487,8 @@ qed_chain_alloc_pbl(struct qed_dev *cdev,
+ 		/* Fill the PBL table with the physical address of the page */
+ 		*(dma_addr_t *)p_pbl_virt = p_phys;
+ 		/* Keep the virtual address of the page */
+-		p_chain->pbl.pp_virt_addr_tbl[i] = p_virt;
++		p_chain->pbl.pp_addr_tbl[i].virt_addr = p_virt;
++		p_chain->pbl.pp_addr_tbl[i].dma_map = p_phys;
+ 
+ 		p_pbl_virt += QED_CHAIN_PBL_ENTRY_SIZE;
+ 	}
+diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
+index 9e20ace30b62..ca41cff2e68c 100644
+--- a/drivers/pci/quirks.c
++++ b/drivers/pci/quirks.c
+@@ -5282,3 +5282,21 @@ out_disable:
+ DECLARE_PCI_FIXUP_CLASS_FINAL(PCI_VENDOR_ID_NVIDIA, 0x13b1,
+ 			      PCI_CLASS_DISPLAY_VGA, 8,
+ 			      quirk_reset_lenovo_thinkpad_p50_nvgpu);
++
++/*
++ * Device [1b21:2142]
++ * When in D0, PME# doesn't get asserted when plugging USB 3.0 device.
++ */
++static void pci_fixup_no_d0_pme(struct pci_dev *dev)
++{
++	pci_info(dev, "PME# does not work under D0, disabling it\n");
++	dev->pme_support &= ~(PCI_PM_CAP_PME_D0 >> PCI_PM_CAP_PME_SHIFT);
++}
++DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_ASMEDIA, 0x2142, pci_fixup_no_d0_pme);
++
++static void apex_pci_fixup_class(struct pci_dev *pdev)
++{
++	pdev->class = (PCI_CLASS_SYSTEM_OTHER << 8) | pdev->class;
++}
++DECLARE_PCI_FIXUP_CLASS_HEADER(0x1ac1, 0x089a,
++			       PCI_CLASS_NOT_DEFINED, 8, apex_pci_fixup_class);
+diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c
+index abbef17c97ee..d5ff272fde34 100644
+--- a/drivers/remoteproc/remoteproc_core.c
++++ b/drivers/remoteproc/remoteproc_core.c
+@@ -289,7 +289,7 @@ void rproc_free_vring(struct rproc_vring *rvring)
+ {
+ 	int size = PAGE_ALIGN(vring_size(rvring->len, rvring->align));
+ 	struct rproc *rproc = rvring->rvdev->rproc;
+-	int idx = rvring->rvdev->vring - rvring;
++	int idx = rvring - rvring->rvdev->vring;
+ 	struct fw_rsc_vdev *rsc;
+ 
+ 	dma_free_coherent(rproc->dev.parent, size, rvring->va, rvring->dma);
+diff --git a/drivers/staging/gasket/apex_driver.c b/drivers/staging/gasket/apex_driver.c
+index 0cef1d6d2e2b..99da735bdf6d 100644
+--- a/drivers/staging/gasket/apex_driver.c
++++ b/drivers/staging/gasket/apex_driver.c
+@@ -578,13 +578,6 @@ static const struct pci_device_id apex_pci_ids[] = {
+ 	{ PCI_DEVICE(APEX_PCI_VENDOR_ID, APEX_PCI_DEVICE_ID) }, { 0 }
+ };
+ 
+-static void apex_pci_fixup_class(struct pci_dev *pdev)
+-{
+-	pdev->class = (PCI_CLASS_SYSTEM_OTHER << 8) | pdev->class;
+-}
+-DECLARE_PCI_FIXUP_CLASS_HEADER(APEX_PCI_VENDOR_ID, APEX_PCI_DEVICE_ID,
+-			       PCI_CLASS_NOT_DEFINED, 8, apex_pci_fixup_class);
+-
+ static int apex_pci_probe(struct pci_dev *pci_dev,
+ 			  const struct pci_device_id *id)
+ {
+diff --git a/drivers/target/target_core_fabric_lib.c b/drivers/target/target_core_fabric_lib.c
+index 10fae26b44ad..939c6212d2ac 100644
+--- a/drivers/target/target_core_fabric_lib.c
++++ b/drivers/target/target_core_fabric_lib.c
+@@ -76,7 +76,7 @@ static int fc_get_pr_transport_id(
+ 	 * encoded TransportID.
+ 	 */
+ 	ptr = &se_nacl->initiatorname[0];
+-	for (i = 0; i < 24; ) {
++	for (i = 0; i < 23; ) {
+ 		if (!strncmp(&ptr[i], ":", 1)) {
+ 			i++;
+ 			continue;
+diff --git a/drivers/target/target_core_user.c b/drivers/target/target_core_user.c
+index 7ee0a75ce452..eff1e36ca03c 100644
+--- a/drivers/target/target_core_user.c
++++ b/drivers/target/target_core_user.c
+@@ -2067,6 +2067,7 @@ static void tcmu_reset_ring(struct tcmu_dev *udev, u8 err_level)
+ 	mb->cmd_tail = 0;
+ 	mb->cmd_head = 0;
+ 	tcmu_flush_dcache_range(mb, sizeof(*mb));
++	clear_bit(TCMU_DEV_BIT_BROKEN, &udev->flags);
+ 
+ 	del_timer(&udev->cmd_timer);
+ 
+diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
+index 8222e674c777..1a6c973da487 100644
+--- a/drivers/usb/dwc3/gadget.c
++++ b/drivers/usb/dwc3/gadget.c
+@@ -1577,7 +1577,6 @@ static int __dwc3_gadget_wakeup(struct dwc3 *dwc)
+ 	u32			reg;
+ 
+ 	u8			link_state;
+-	u8			speed;
+ 
+ 	/*
+ 	 * According to the Databook Remote wakeup request should
+@@ -1587,16 +1586,13 @@ static int __dwc3_gadget_wakeup(struct dwc3 *dwc)
+ 	 */
+ 	reg = dwc3_readl(dwc->regs, DWC3_DSTS);
+ 
+-	speed = reg & DWC3_DSTS_CONNECTSPD;
+-	if ((speed == DWC3_DSTS_SUPERSPEED) ||
+-	    (speed == DWC3_DSTS_SUPERSPEED_PLUS))
+-		return 0;
+-
+ 	link_state = DWC3_DSTS_USBLNKST(reg);
+ 
+ 	switch (link_state) {
++	case DWC3_LINK_STATE_RESET:
+ 	case DWC3_LINK_STATE_RX_DET:	/* in HS, means Early Suspend */
+ 	case DWC3_LINK_STATE_U3:	/* in HS, means SUSPEND */
++	case DWC3_LINK_STATE_RESUME:
+ 		break;
+ 	default:
+ 		return -EINVAL;
+diff --git a/drivers/usb/gadget/udc/bdc/bdc_ep.c b/drivers/usb/gadget/udc/bdc/bdc_ep.c
+index a4d9b5e1e50e..d49c6dc1082d 100644
+--- a/drivers/usb/gadget/udc/bdc/bdc_ep.c
++++ b/drivers/usb/gadget/udc/bdc/bdc_ep.c
+@@ -540,7 +540,7 @@ static void bdc_req_complete(struct bdc_ep *ep, struct bdc_req *req,
+ {
+ 	struct bdc *bdc = ep->bdc;
+ 
+-	if (req == NULL  || &req->queue == NULL || &req->usb_req == NULL)
++	if (req == NULL)
+ 		return;
+ 
+ 	dev_dbg(bdc->dev, "%s ep:%s status:%d\n", __func__, ep->name, status);
+diff --git a/drivers/xen/xenbus/xenbus_client.c b/drivers/xen/xenbus/xenbus_client.c
+index a1c17000129b..e94a61eaeceb 100644
+--- a/drivers/xen/xenbus/xenbus_client.c
++++ b/drivers/xen/xenbus/xenbus_client.c
+@@ -450,7 +450,14 @@ EXPORT_SYMBOL_GPL(xenbus_free_evtchn);
+ int xenbus_map_ring_valloc(struct xenbus_device *dev, grant_ref_t *gnt_refs,
+ 			   unsigned int nr_grefs, void **vaddr)
+ {
+-	return ring_ops->map(dev, gnt_refs, nr_grefs, vaddr);
++	int err;
++
++	err = ring_ops->map(dev, gnt_refs, nr_grefs, vaddr);
++	/* Some hypervisors are buggy and can return 1. */
++	if (err > 0)
++		err = GNTST_general_error;
++
++	return err;
+ }
+ EXPORT_SYMBOL_GPL(xenbus_map_ring_valloc);
+ 
+diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c
+index dafa7e4aaecb..8876eaad10f6 100644
+--- a/fs/ext4/ialloc.c
++++ b/fs/ext4/ialloc.c
+@@ -665,7 +665,7 @@ static int find_group_other(struct super_block *sb, struct inode *parent,
+  * block has been written back to disk.  (Yes, these values are
+  * somewhat arbitrary...)
+  */
+-#define RECENTCY_MIN	5
++#define RECENTCY_MIN	60
+ #define RECENTCY_DIRTY	300
+ 
+ static int recently_deleted(struct super_block *sb, ext4_group_t group, int ino)
+diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
+index 000fa0e39278..3b1a7597af15 100644
+--- a/fs/ext4/inode.c
++++ b/fs/ext4/inode.c
+@@ -2128,7 +2128,7 @@ static int ext4_writepage(struct page *page,
+ 	bool keep_towrite = false;
+ 
+ 	if (unlikely(ext4_forced_shutdown(EXT4_SB(inode->i_sb)))) {
+-		ext4_invalidatepage(page, 0, PAGE_SIZE);
++		inode->i_mapping->a_ops->invalidatepage(page, 0, PAGE_SIZE);
+ 		unlock_page(page);
+ 		return -EIO;
+ 	}
+diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
+index 71121fcf9e8c..8dd54a8a0361 100644
+--- a/fs/ext4/mballoc.c
++++ b/fs/ext4/mballoc.c
+@@ -1936,7 +1936,8 @@ void ext4_mb_complex_scan_group(struct ext4_allocation_context *ac,
+ 	int free;
+ 
+ 	free = e4b->bd_info->bb_free;
+-	BUG_ON(free <= 0);
++	if (WARN_ON(free <= 0))
++		return;
+ 
+ 	i = e4b->bd_info->bb_first_free;
+ 
+@@ -1959,7 +1960,8 @@ void ext4_mb_complex_scan_group(struct ext4_allocation_context *ac,
+ 		}
+ 
+ 		mb_find_extent(e4b, i, ac->ac_g_ex.fe_len, &ex);
+-		BUG_ON(ex.fe_len <= 0);
++		if (WARN_ON(ex.fe_len <= 0))
++			break;
+ 		if (free < ex.fe_len) {
+ 			ext4_grp_locked_error(sb, e4b->bd_group, 0, 0,
+ 					"%d free clusters as per "
+diff --git a/fs/ext4/super.c b/fs/ext4/super.c
+index bf949fcc970a..93c14ecac831 100644
+--- a/fs/ext4/super.c
++++ b/fs/ext4/super.c
+@@ -3524,7 +3524,8 @@ int ext4_calculate_overhead(struct super_block *sb)
+ 	 */
+ 	if (sbi->s_journal && !sbi->journal_bdev)
+ 		overhead += EXT4_NUM_B2C(sbi, sbi->s_journal->j_maxlen);
+-	else if (ext4_has_feature_journal(sb) && !sbi->s_journal) {
++	else if (ext4_has_feature_journal(sb) && !sbi->s_journal && j_inum) {
++		/* j_inum for internal journal is non-zero */
+ 		j_inode = ext4_get_journal_inode(sb, j_inum);
+ 		if (j_inode) {
+ 			j_blocks = j_inode->i_size >> sb->s_blocksize_bits;
+diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
+index ed73e86194fa..c24306af9758 100644
+--- a/fs/nfsd/nfs4state.c
++++ b/fs/nfsd/nfs4state.c
+@@ -252,6 +252,8 @@ find_or_allocate_block(struct nfs4_lockowner *lo, struct knfsd_fh *fh,
+ 	if (!nbl) {
+ 		nbl= kmalloc(sizeof(*nbl), GFP_KERNEL);
+ 		if (nbl) {
++			INIT_LIST_HEAD(&nbl->nbl_list);
++			INIT_LIST_HEAD(&nbl->nbl_lru);
+ 			fh_copy_shallow(&nbl->nbl_fh, fh);
+ 			locks_init_lock(&nbl->nbl_lock);
+ 			nfsd4_init_cb(&nbl->nbl_cb, lo->lo_owner.so_client,
+diff --git a/fs/pnode.c b/fs/pnode.c
+index 53d411a371ce..7910ae91f17e 100644
+--- a/fs/pnode.c
++++ b/fs/pnode.c
+@@ -266,14 +266,13 @@ static int propagate_one(struct mount *m)
+ 	if (IS_ERR(child))
+ 		return PTR_ERR(child);
+ 	child->mnt.mnt_flags &= ~MNT_LOCKED;
++	read_seqlock_excl(&mount_lock);
+ 	mnt_set_mountpoint(m, mp, child);
++	if (m->mnt_master != dest_master)
++		SET_MNT_MARK(m->mnt_master);
++	read_sequnlock_excl(&mount_lock);
+ 	last_dest = m;
+ 	last_source = child;
+-	if (m->mnt_master != dest_master) {
+-		read_seqlock_excl(&mount_lock);
+-		SET_MNT_MARK(m->mnt_master);
+-		read_sequnlock_excl(&mount_lock);
+-	}
+ 	hlist_add_head(&child->mnt_hash, list);
+ 	return count_mounts(m->mnt_ns, child);
+ }
+diff --git a/fs/xfs/xfs_icache.c b/fs/xfs/xfs_icache.c
+index 245483cc282b..901f27ac94ab 100644
+--- a/fs/xfs/xfs_icache.c
++++ b/fs/xfs/xfs_icache.c
+@@ -902,7 +902,12 @@ xfs_eofblocks_worker(
+ {
+ 	struct xfs_mount *mp = container_of(to_delayed_work(work),
+ 				struct xfs_mount, m_eofblocks_work);
++
++	if (!sb_start_write_trylock(mp->m_super))
++		return;
+ 	xfs_icache_free_eofblocks(mp, NULL);
++	sb_end_write(mp->m_super);
++
+ 	xfs_queue_eofblocks(mp);
+ }
+ 
+@@ -929,7 +934,12 @@ xfs_cowblocks_worker(
+ {
+ 	struct xfs_mount *mp = container_of(to_delayed_work(work),
+ 				struct xfs_mount, m_cowblocks_work);
++
++	if (!sb_start_write_trylock(mp->m_super))
++		return;
+ 	xfs_icache_free_cowblocks(mp, NULL);
++	sb_end_write(mp->m_super);
++
+ 	xfs_queue_cowblocks(mp);
+ }
+ 
+diff --git a/fs/xfs/xfs_ioctl.c b/fs/xfs/xfs_ioctl.c
+index bad90479ade2..6ffb53edf1b4 100644
+--- a/fs/xfs/xfs_ioctl.c
++++ b/fs/xfs/xfs_ioctl.c
+@@ -2182,7 +2182,10 @@ xfs_file_ioctl(
+ 		if (error)
+ 			return error;
+ 
+-		return xfs_icache_free_eofblocks(mp, &keofb);
++		sb_start_write(mp->m_super);
++		error = xfs_icache_free_eofblocks(mp, &keofb);
++		sb_end_write(mp->m_super);
++		return error;
+ 	}
+ 
+ 	default:
+diff --git a/fs/xfs/xfs_reflink.c b/fs/xfs/xfs_reflink.c
+index f3c393f309e1..6622652a85a8 100644
+--- a/fs/xfs/xfs_reflink.c
++++ b/fs/xfs/xfs_reflink.c
+@@ -1058,6 +1058,7 @@ xfs_reflink_remap_extent(
+ 		uirec.br_startblock = irec->br_startblock + rlen;
+ 		uirec.br_startoff = irec->br_startoff + rlen;
+ 		uirec.br_blockcount = unmap_len - rlen;
++		uirec.br_state = irec->br_state;
+ 		unmap_len = rlen;
+ 
+ 		/* If this isn't a real mapping, we're done. */
+diff --git a/fs/xfs/xfs_trans_ail.c b/fs/xfs/xfs_trans_ail.c
+index d3a4e89bf4a0..66f167aefd94 100644
+--- a/fs/xfs/xfs_trans_ail.c
++++ b/fs/xfs/xfs_trans_ail.c
+@@ -520,8 +520,9 @@ xfsaild(
+ {
+ 	struct xfs_ail	*ailp = data;
+ 	long		tout = 0;	/* milliseconds */
++	unsigned int	noreclaim_flag;
+ 
+-	current->flags |= PF_MEMALLOC;
++	noreclaim_flag = memalloc_noreclaim_save();
+ 	set_freezable();
+ 
+ 	while (1) {
+@@ -592,6 +593,7 @@ xfsaild(
+ 		tout = xfsaild_push(ailp);
+ 	}
+ 
++	memalloc_noreclaim_restore(noreclaim_flag);
+ 	return 0;
+ }
+ 
+diff --git a/include/linux/qed/qed_chain.h b/include/linux/qed/qed_chain.h
+index 2dd0a9ed5b36..733fad7dfbed 100644
+--- a/include/linux/qed/qed_chain.h
++++ b/include/linux/qed/qed_chain.h
+@@ -97,6 +97,11 @@ struct qed_chain_u32 {
+ 	u32 cons_idx;
+ };
+ 
++struct addr_tbl_entry {
++	void *virt_addr;
++	dma_addr_t dma_map;
++};
++
+ struct qed_chain {
+ 	/* fastpath portion of the chain - required for commands such
+ 	 * as produce / consume.
+@@ -107,10 +112,11 @@ struct qed_chain {
+ 
+ 	/* Fastpath portions of the PBL [if exists] */
+ 	struct {
+-		/* Table for keeping the virtual addresses of the chain pages,
+-		 * respectively to the physical addresses in the pbl table.
++		/* Table for keeping the virtual and physical addresses of the
++		 * chain pages, respectively to the physical addresses
++		 * in the pbl table.
+ 		 */
+-		void **pp_virt_addr_tbl;
++		struct addr_tbl_entry *pp_addr_tbl;
+ 
+ 		union {
+ 			struct qed_chain_pbl_u16 u16;
+@@ -287,7 +293,7 @@ qed_chain_advance_page(struct qed_chain *p_chain,
+ 				*(u32 *)page_to_inc = 0;
+ 			page_index = *(u32 *)page_to_inc;
+ 		}
+-		*p_next_elem = p_chain->pbl.pp_virt_addr_tbl[page_index];
++		*p_next_elem = p_chain->pbl.pp_addr_tbl[page_index].virt_addr;
+ 	}
+ }
+ 
+@@ -537,7 +543,7 @@ static inline void qed_chain_init_params(struct qed_chain *p_chain,
+ 
+ 	p_chain->pbl_sp.p_phys_table = 0;
+ 	p_chain->pbl_sp.p_virt_table = NULL;
+-	p_chain->pbl.pp_virt_addr_tbl = NULL;
++	p_chain->pbl.pp_addr_tbl = NULL;
+ }
+ 
+ /**
+@@ -575,11 +581,11 @@ static inline void qed_chain_init_mem(struct qed_chain *p_chain,
+ static inline void qed_chain_init_pbl_mem(struct qed_chain *p_chain,
+ 					  void *p_virt_pbl,
+ 					  dma_addr_t p_phys_pbl,
+-					  void **pp_virt_addr_tbl)
++					  struct addr_tbl_entry *pp_addr_tbl)
+ {
+ 	p_chain->pbl_sp.p_phys_table = p_phys_pbl;
+ 	p_chain->pbl_sp.p_virt_table = p_virt_pbl;
+-	p_chain->pbl.pp_virt_addr_tbl = pp_virt_addr_tbl;
++	p_chain->pbl.pp_addr_tbl = pp_addr_tbl;
+ }
+ 
+ /**
+@@ -644,7 +650,7 @@ static inline void *qed_chain_get_last_elem(struct qed_chain *p_chain)
+ 		break;
+ 	case QED_CHAIN_MODE_PBL:
+ 		last_page_idx = p_chain->page_cnt - 1;
+-		p_virt_addr = p_chain->pbl.pp_virt_addr_tbl[last_page_idx];
++		p_virt_addr = p_chain->pbl.pp_addr_tbl[last_page_idx].virt_addr;
+ 		break;
+ 	}
+ 	/* p_virt_addr points at this stage to the last page of the chain */
+@@ -716,7 +722,7 @@ static inline void qed_chain_pbl_zero_mem(struct qed_chain *p_chain)
+ 	page_cnt = qed_chain_get_page_cnt(p_chain);
+ 
+ 	for (i = 0; i < page_cnt; i++)
+-		memset(p_chain->pbl.pp_virt_addr_tbl[i], 0,
++		memset(p_chain->pbl.pp_addr_tbl[i].virt_addr, 0,
+ 		       QED_CHAIN_PAGE_SIZE);
+ }
+ 
+diff --git a/include/linux/sunrpc/svc_rdma.h b/include/linux/sunrpc/svc_rdma.h
+index fd78f78df5c6..3e3214cca447 100644
+--- a/include/linux/sunrpc/svc_rdma.h
++++ b/include/linux/sunrpc/svc_rdma.h
+@@ -159,6 +159,7 @@ extern bool svc_rdma_post_recvs(struct svcxprt_rdma *rdma);
+ extern void svc_rdma_recv_ctxt_put(struct svcxprt_rdma *rdma,
+ 				   struct svc_rdma_recv_ctxt *ctxt);
+ extern void svc_rdma_flush_recv_queues(struct svcxprt_rdma *rdma);
++extern void svc_rdma_release_rqst(struct svc_rqst *rqstp);
+ extern int svc_rdma_recvfrom(struct svc_rqst *);
+ 
+ /* svc_rdma_rw.c */
+diff --git a/include/trace/events/rpcrdma.h b/include/trace/events/rpcrdma.h
+index 4c91cadd1871..4a0b18921e06 100644
+--- a/include/trace/events/rpcrdma.h
++++ b/include/trace/events/rpcrdma.h
+@@ -1322,17 +1322,15 @@ DECLARE_EVENT_CLASS(svcrdma_sendcomp_event,
+ 
+ TRACE_EVENT(svcrdma_post_send,
+ 	TP_PROTO(
+-		const struct ib_send_wr *wr,
+-		int status
++		const struct ib_send_wr *wr
+ 	),
+ 
+-	TP_ARGS(wr, status),
++	TP_ARGS(wr),
+ 
+ 	TP_STRUCT__entry(
+ 		__field(const void *, cqe)
+ 		__field(unsigned int, num_sge)
+ 		__field(u32, inv_rkey)
+-		__field(int, status)
+ 	),
+ 
+ 	TP_fast_assign(
+@@ -1340,12 +1338,11 @@ TRACE_EVENT(svcrdma_post_send,
+ 		__entry->num_sge = wr->num_sge;
+ 		__entry->inv_rkey = (wr->opcode == IB_WR_SEND_WITH_INV) ?
+ 					wr->ex.invalidate_rkey : 0;
+-		__entry->status = status;
+ 	),
+ 
+-	TP_printk("cqe=%p num_sge=%u inv_rkey=0x%08x status=%d",
++	TP_printk("cqe=%p num_sge=%u inv_rkey=0x%08x",
+ 		__entry->cqe, __entry->num_sge,
+-		__entry->inv_rkey, __entry->status
++		__entry->inv_rkey
+ 	)
+ );
+ 
+@@ -1410,26 +1407,23 @@ TRACE_EVENT(svcrdma_wc_receive,
+ TRACE_EVENT(svcrdma_post_rw,
+ 	TP_PROTO(
+ 		const void *cqe,
+-		int sqecount,
+-		int status
++		int sqecount
+ 	),
+ 
+-	TP_ARGS(cqe, sqecount, status),
++	TP_ARGS(cqe, sqecount),
+ 
+ 	TP_STRUCT__entry(
+ 		__field(const void *, cqe)
+ 		__field(int, sqecount)
+-		__field(int, status)
+ 	),
+ 
+ 	TP_fast_assign(
+ 		__entry->cqe = cqe;
+ 		__entry->sqecount = sqecount;
+-		__entry->status = status;
+ 	),
+ 
+-	TP_printk("cqe=%p sqecount=%d status=%d",
+-		__entry->cqe, __entry->sqecount, __entry->status
++	TP_printk("cqe=%p sqecount=%d",
++		__entry->cqe, __entry->sqecount
+ 	)
+ );
+ 
+@@ -1525,6 +1519,34 @@ DECLARE_EVENT_CLASS(svcrdma_sendqueue_event,
+ DEFINE_SQ_EVENT(full);
+ DEFINE_SQ_EVENT(retry);
+ 
++TRACE_EVENT(svcrdma_sq_post_err,
++	TP_PROTO(
++		const struct svcxprt_rdma *rdma,
++		int status
++	),
++
++	TP_ARGS(rdma, status),
++
++	TP_STRUCT__entry(
++		__field(int, avail)
++		__field(int, depth)
++		__field(int, status)
++		__string(addr, rdma->sc_xprt.xpt_remotebuf)
++	),
++
++	TP_fast_assign(
++		__entry->avail = atomic_read(&rdma->sc_sq_avail);
++		__entry->depth = rdma->sc_sq_depth;
++		__entry->status = status;
++		__assign_str(addr, rdma->sc_xprt.xpt_remotebuf);
++	),
++
++	TP_printk("addr=%s sc_sq_avail=%d/%d status=%d",
++		__get_str(addr), __entry->avail, __entry->depth,
++		__entry->status
++	)
++);
++
+ #endif /* _TRACE_RPCRDMA_H */
+ 
+ #include <trace/define_trace.h>
+diff --git a/include/uapi/linux/swab.h b/include/uapi/linux/swab.h
+index fa7f97da5b76..7272f85d6d6a 100644
+--- a/include/uapi/linux/swab.h
++++ b/include/uapi/linux/swab.h
+@@ -135,9 +135,9 @@ static inline __attribute_const__ __u32 __fswahb32(__u32 val)
+ 
+ static __always_inline unsigned long __swab(const unsigned long y)
+ {
+-#if BITS_PER_LONG == 64
++#if __BITS_PER_LONG == 64
+ 	return __swab64(y);
+-#else /* BITS_PER_LONG == 32 */
++#else /* __BITS_PER_LONG == 32 */
+ 	return __swab32(y);
+ #endif
+ }
+diff --git a/kernel/bpf/cpumap.c b/kernel/bpf/cpumap.c
+index 3c18260403dd..61fbcae82f0a 100644
+--- a/kernel/bpf/cpumap.c
++++ b/kernel/bpf/cpumap.c
+@@ -455,7 +455,7 @@ static int cpu_map_update_elem(struct bpf_map *map, void *key, void *value,
+ 		return -EOVERFLOW;
+ 
+ 	/* Make sure CPU is a valid possible cpu */
+-	if (!cpu_possible(key_cpu))
++	if (key_cpu >= nr_cpumask_bits || !cpu_possible(key_cpu))
+ 		return -ENODEV;
+ 
+ 	if (qsize == 0) {
+diff --git a/kernel/events/core.c b/kernel/events/core.c
+index 00fb2fe92c4d..21e3c65abc76 100644
+--- a/kernel/events/core.c
++++ b/kernel/events/core.c
+@@ -6923,10 +6923,17 @@ static void perf_event_task_output(struct perf_event *event,
+ 		goto out;
+ 
+ 	task_event->event_id.pid = perf_event_pid(event, task);
+-	task_event->event_id.ppid = perf_event_pid(event, current);
+-
+ 	task_event->event_id.tid = perf_event_tid(event, task);
+-	task_event->event_id.ptid = perf_event_tid(event, current);
++
++	if (task_event->event_id.header.type == PERF_RECORD_EXIT) {
++		task_event->event_id.ppid = perf_event_pid(event,
++							task->real_parent);
++		task_event->event_id.ptid = perf_event_pid(event,
++							task->real_parent);
++	} else {  /* PERF_RECORD_FORK */
++		task_event->event_id.ppid = perf_event_pid(event, current);
++		task_event->event_id.ptid = perf_event_tid(event, current);
++	}
+ 
+ 	task_event->event_id.time = perf_event_clock(event);
+ 
+diff --git a/mm/shmem.c b/mm/shmem.c
+index a6fc82a1ab6b..0a2e1e7801d6 100644
+--- a/mm/shmem.c
++++ b/mm/shmem.c
+@@ -2350,11 +2350,11 @@ static int shmem_mfill_atomic_pte(struct mm_struct *dst_mm,
+ 
+ 	lru_cache_add_anon(page);
+ 
+-	spin_lock(&info->lock);
++	spin_lock_irq(&info->lock);
+ 	info->alloced++;
+ 	inode->i_blocks += BLOCKS_PER_PAGE;
+ 	shmem_recalc_inode(inode);
+-	spin_unlock(&info->lock);
++	spin_unlock_irq(&info->lock);
+ 
+ 	inc_mm_counter(dst_mm, mm_counter_file(page));
+ 	page_add_file_rmap(page, false);
+diff --git a/net/rxrpc/local_object.c b/net/rxrpc/local_object.c
+index 4c0087a48e87..fe190a691872 100644
+--- a/net/rxrpc/local_object.c
++++ b/net/rxrpc/local_object.c
+@@ -169,15 +169,6 @@ static int rxrpc_open_socket(struct rxrpc_local *local, struct net *net)
+ 			goto error;
+ 		}
+ 
+-		/* we want to set the don't fragment bit */
+-		opt = IPV6_PMTUDISC_DO;
+-		ret = kernel_setsockopt(local->socket, SOL_IPV6, IPV6_MTU_DISCOVER,
+-					(char *) &opt, sizeof(opt));
+-		if (ret < 0) {
+-			_debug("setsockopt failed");
+-			goto error;
+-		}
+-
+ 		/* Fall through and set IPv4 options too otherwise we don't get
+ 		 * errors from IPv4 packets sent through the IPv6 socket.
+ 		 */
+diff --git a/net/rxrpc/output.c b/net/rxrpc/output.c
+index b0aa08e3796d..da8a555ec3f6 100644
+--- a/net/rxrpc/output.c
++++ b/net/rxrpc/output.c
+@@ -480,41 +480,21 @@ send_fragmentable:
+ 	skb->tstamp = ktime_get_real();
+ 
+ 	switch (conn->params.local->srx.transport.family) {
++	case AF_INET6:
+ 	case AF_INET:
+ 		opt = IP_PMTUDISC_DONT;
+-		ret = kernel_setsockopt(conn->params.local->socket,
+-					SOL_IP, IP_MTU_DISCOVER,
+-					(char *)&opt, sizeof(opt));
+-		if (ret == 0) {
+-			ret = kernel_sendmsg(conn->params.local->socket, &msg,
+-					     iov, 2, len);
+-			conn->params.peer->last_tx_at = ktime_get_seconds();
+-
+-			opt = IP_PMTUDISC_DO;
+-			kernel_setsockopt(conn->params.local->socket, SOL_IP,
+-					  IP_MTU_DISCOVER,
+-					  (char *)&opt, sizeof(opt));
+-		}
+-		break;
+-
+-#ifdef CONFIG_AF_RXRPC_IPV6
+-	case AF_INET6:
+-		opt = IPV6_PMTUDISC_DONT;
+-		ret = kernel_setsockopt(conn->params.local->socket,
+-					SOL_IPV6, IPV6_MTU_DISCOVER,
+-					(char *)&opt, sizeof(opt));
+-		if (ret == 0) {
+-			ret = kernel_sendmsg(conn->params.local->socket, &msg,
+-					     iov, 2, len);
+-			conn->params.peer->last_tx_at = ktime_get_seconds();
+-
+-			opt = IPV6_PMTUDISC_DO;
+-			kernel_setsockopt(conn->params.local->socket,
+-					  SOL_IPV6, IPV6_MTU_DISCOVER,
+-					  (char *)&opt, sizeof(opt));
+-		}
++		kernel_setsockopt(conn->params.local->socket,
++				  SOL_IP, IP_MTU_DISCOVER,
++				  (char *)&opt, sizeof(opt));
++		ret = kernel_sendmsg(conn->params.local->socket, &msg,
++				     iov, 2, len);
++		conn->params.peer->last_tx_at = ktime_get_seconds();
++
++		opt = IP_PMTUDISC_DO;
++		kernel_setsockopt(conn->params.local->socket,
++				  SOL_IP, IP_MTU_DISCOVER,
++				  (char *)&opt, sizeof(opt));
+ 		break;
+-#endif
+ 
+ 	default:
+ 		BUG();
+diff --git a/net/sunrpc/svc_xprt.c b/net/sunrpc/svc_xprt.c
+index 6cf0fd37cbf0..c8ee8e801edb 100644
+--- a/net/sunrpc/svc_xprt.c
++++ b/net/sunrpc/svc_xprt.c
+@@ -878,9 +878,6 @@ int svc_send(struct svc_rqst *rqstp)
+ 	if (!xprt)
+ 		goto out;
+ 
+-	/* release the receive skb before sending the reply */
+-	xprt->xpt_ops->xpo_release_rqst(rqstp);
+-
+ 	/* calculate over-all length */
+ 	xb = &rqstp->rq_res;
+ 	xb->len = xb->head[0].iov_len +
+diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c
+index 8566531c2f10..d0b5a1c47a32 100644
+--- a/net/sunrpc/svcsock.c
++++ b/net/sunrpc/svcsock.c
+@@ -636,6 +636,8 @@ svc_udp_sendto(struct svc_rqst *rqstp)
+ {
+ 	int		error;
+ 
++	svc_release_udp_skb(rqstp);
++
+ 	error = svc_sendto(rqstp, &rqstp->rq_res);
+ 	if (error == -ECONNREFUSED)
+ 		/* ICMP error on earlier request. */
+@@ -1173,6 +1175,8 @@ static int svc_tcp_sendto(struct svc_rqst *rqstp)
+ 	int sent;
+ 	__be32 reclen;
+ 
++	svc_release_skb(rqstp);
++
+ 	/* Set up the first element of the reply kvec.
+ 	 * Any other kvecs that may be in use have been taken
+ 	 * care of by the server implementation itself.
+diff --git a/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c b/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
+index b24d5b8f2fee..16c8174658fd 100644
+--- a/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
++++ b/net/sunrpc/xprtrdma/svc_rdma_recvfrom.c
+@@ -226,6 +226,26 @@ void svc_rdma_recv_ctxt_put(struct svcxprt_rdma *rdma,
+ 		svc_rdma_recv_ctxt_destroy(rdma, ctxt);
+ }
+ 
++/**
++ * svc_rdma_release_rqst - Release transport-specific per-rqst resources
++ * @rqstp: svc_rqst being released
++ *
++ * Ensure that the recv_ctxt is released whether or not a Reply
++ * was sent. For example, the client could close the connection,
++ * or svc_process could drop an RPC, before the Reply is sent.
++ */
++void svc_rdma_release_rqst(struct svc_rqst *rqstp)
++{
++	struct svc_rdma_recv_ctxt *ctxt = rqstp->rq_xprt_ctxt;
++	struct svc_xprt *xprt = rqstp->rq_xprt;
++	struct svcxprt_rdma *rdma =
++		container_of(xprt, struct svcxprt_rdma, sc_xprt);
++
++	rqstp->rq_xprt_ctxt = NULL;
++	if (ctxt)
++		svc_rdma_recv_ctxt_put(rdma, ctxt);
++}
++
+ static int __svc_rdma_post_recv(struct svcxprt_rdma *rdma,
+ 				struct svc_rdma_recv_ctxt *ctxt)
+ {
+@@ -704,6 +724,8 @@ int svc_rdma_recvfrom(struct svc_rqst *rqstp)
+ 	__be32 *p;
+ 	int ret;
+ 
++	rqstp->rq_xprt_ctxt = NULL;
++
+ 	spin_lock(&rdma_xprt->sc_rq_dto_lock);
+ 	ctxt = svc_rdma_next_recv_ctxt(&rdma_xprt->sc_read_complete_q);
+ 	if (ctxt) {
+diff --git a/net/sunrpc/xprtrdma/svc_rdma_rw.c b/net/sunrpc/xprtrdma/svc_rdma_rw.c
+index dc1951759a8e..4fc0ce127089 100644
+--- a/net/sunrpc/xprtrdma/svc_rdma_rw.c
++++ b/net/sunrpc/xprtrdma/svc_rdma_rw.c
+@@ -331,8 +331,6 @@ static int svc_rdma_post_chunk_ctxt(struct svc_rdma_chunk_ctxt *cc)
+ 		if (atomic_sub_return(cc->cc_sqecount,
+ 				      &rdma->sc_sq_avail) > 0) {
+ 			ret = ib_post_send(rdma->sc_qp, first_wr, &bad_wr);
+-			trace_svcrdma_post_rw(&cc->cc_cqe,
+-					      cc->cc_sqecount, ret);
+ 			if (ret)
+ 				break;
+ 			return 0;
+@@ -345,6 +343,7 @@ static int svc_rdma_post_chunk_ctxt(struct svc_rdma_chunk_ctxt *cc)
+ 		trace_svcrdma_sq_retry(rdma);
+ 	} while (1);
+ 
++	trace_svcrdma_sq_post_err(rdma, ret);
+ 	set_bit(XPT_CLOSE, &xprt->xpt_flags);
+ 
+ 	/* If even one was posted, there will be a completion. */
+diff --git a/net/sunrpc/xprtrdma/svc_rdma_sendto.c b/net/sunrpc/xprtrdma/svc_rdma_sendto.c
+index e8ad7ddf347a..aa4d19a780d7 100644
+--- a/net/sunrpc/xprtrdma/svc_rdma_sendto.c
++++ b/net/sunrpc/xprtrdma/svc_rdma_sendto.c
+@@ -310,15 +310,17 @@ int svc_rdma_send(struct svcxprt_rdma *rdma, struct ib_send_wr *wr)
+ 		}
+ 
+ 		svc_xprt_get(&rdma->sc_xprt);
++		trace_svcrdma_post_send(wr);
+ 		ret = ib_post_send(rdma->sc_qp, wr, NULL);
+-		trace_svcrdma_post_send(wr, ret);
+-		if (ret) {
+-			set_bit(XPT_CLOSE, &rdma->sc_xprt.xpt_flags);
+-			svc_xprt_put(&rdma->sc_xprt);
+-			wake_up(&rdma->sc_send_wait);
+-		}
+-		break;
++		if (ret)
++			break;
++		return 0;
+ 	}
++
++	trace_svcrdma_sq_post_err(rdma, ret);
++	set_bit(XPT_CLOSE, &rdma->sc_xprt.xpt_flags);
++	svc_xprt_put(&rdma->sc_xprt);
++	wake_up(&rdma->sc_send_wait);
+ 	return ret;
+ }
+ 
+@@ -906,12 +908,7 @@ int svc_rdma_sendto(struct svc_rqst *rqstp)
+ 				      wr_lst, rp_ch);
+ 	if (ret < 0)
+ 		goto err1;
+-	ret = 0;
+-
+-out:
+-	rqstp->rq_xprt_ctxt = NULL;
+-	svc_rdma_recv_ctxt_put(rdma, rctxt);
+-	return ret;
++	return 0;
+ 
+  err2:
+ 	if (ret != -E2BIG && ret != -EINVAL)
+@@ -920,14 +917,12 @@ out:
+ 	ret = svc_rdma_send_error_msg(rdma, sctxt, rqstp);
+ 	if (ret < 0)
+ 		goto err1;
+-	ret = 0;
+-	goto out;
++	return 0;
+ 
+  err1:
+ 	svc_rdma_send_ctxt_put(rdma, sctxt);
+  err0:
+ 	trace_svcrdma_send_failed(rqstp, ret);
+ 	set_bit(XPT_CLOSE, &xprt->xpt_flags);
+-	ret = -ENOTCONN;
+-	goto out;
++	return -ENOTCONN;
+ }
+diff --git a/net/sunrpc/xprtrdma/svc_rdma_transport.c b/net/sunrpc/xprtrdma/svc_rdma_transport.c
+index 7308992b7a18..f1824303e076 100644
+--- a/net/sunrpc/xprtrdma/svc_rdma_transport.c
++++ b/net/sunrpc/xprtrdma/svc_rdma_transport.c
+@@ -71,7 +71,6 @@ static struct svc_xprt *svc_rdma_create(struct svc_serv *serv,
+ 					struct sockaddr *sa, int salen,
+ 					int flags);
+ static struct svc_xprt *svc_rdma_accept(struct svc_xprt *xprt);
+-static void svc_rdma_release_rqst(struct svc_rqst *);
+ static void svc_rdma_detach(struct svc_xprt *xprt);
+ static void svc_rdma_free(struct svc_xprt *xprt);
+ static int svc_rdma_has_wspace(struct svc_xprt *xprt);
+@@ -616,10 +615,6 @@ static struct svc_xprt *svc_rdma_accept(struct svc_xprt *xprt)
+ 	return NULL;
+ }
+ 
+-static void svc_rdma_release_rqst(struct svc_rqst *rqstp)
+-{
+-}
+-
+ /*
+  * When connected, an svc_xprt has at least two references:
+  *
+diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
+index 0502042c1616..0d7981eda2c4 100644
+--- a/sound/pci/hda/hda_intel.c
++++ b/sound/pci/hda/hda_intel.c
+@@ -2054,7 +2054,7 @@ static int azx_first_init(struct azx *chip)
+ 	/* codec detection */
+ 	if (!azx_bus(chip)->codec_mask) {
+ 		dev_err(card->dev, "no codecs found!\n");
+-		return -ENODEV;
++		/* keep running the rest for the runtime PM */
+ 	}
+ 
+ 	if (azx_acquire_irq(chip, 0) < 0)
+@@ -2440,9 +2440,11 @@ static int azx_probe_continue(struct azx *chip)
+ #endif
+ 
+ 	/* create codec instances */
+-	err = azx_probe_codecs(chip, azx_max_codecs[chip->driver_type]);
+-	if (err < 0)
+-		goto out_free;
++	if (bus->codec_mask) {
++		err = azx_probe_codecs(chip, azx_max_codecs[chip->driver_type]);
++		if (err < 0)
++			goto out_free;
++	}
+ 
+ #ifdef CONFIG_SND_HDA_PATCH_LOADER
+ 	if (chip->fw) {
+@@ -2456,7 +2458,7 @@ static int azx_probe_continue(struct azx *chip)
+ #endif
+ 	}
+ #endif
+-	if ((probe_only[dev] & 1) == 0) {
++	if (bus->codec_mask && !(probe_only[dev] & 1)) {
+ 		err = azx_codec_configure(chip);
+ 		if (err < 0)
+ 			goto out_free;
+@@ -2473,8 +2475,11 @@ static int azx_probe_continue(struct azx *chip)
+ 
+ 	set_default_power_save(chip);
+ 
+-	if (azx_has_pm_runtime(chip))
++	if (azx_has_pm_runtime(chip)) {
++		pm_runtime_use_autosuspend(&pci->dev);
++		pm_runtime_allow(&pci->dev);
+ 		pm_runtime_put_autosuspend(&pci->dev);
++	}
+ 
+ out_free:
+ 	if ((chip->driver_caps & AZX_DCAPS_I915_POWERWELL)
+diff --git a/sound/soc/codecs/tas571x.c b/sound/soc/codecs/tas571x.c
+index ca2dfe12344e..354f17a2fa5c 100644
+--- a/sound/soc/codecs/tas571x.c
++++ b/sound/soc/codecs/tas571x.c
+@@ -824,8 +824,10 @@ static int tas571x_i2c_probe(struct i2c_client *client,
+ 
+ 	priv->regmap = devm_regmap_init(dev, NULL, client,
+ 					priv->chip->regmap_config);
+-	if (IS_ERR(priv->regmap))
+-		return PTR_ERR(priv->regmap);
++	if (IS_ERR(priv->regmap)) {
++		ret = PTR_ERR(priv->regmap);
++		goto disable_regs;
++	}
+ 
+ 	priv->pdn_gpio = devm_gpiod_get_optional(dev, "pdn", GPIOD_OUT_LOW);
+ 	if (IS_ERR(priv->pdn_gpio)) {
+@@ -849,7 +851,7 @@ static int tas571x_i2c_probe(struct i2c_client *client,
+ 
+ 	ret = regmap_write(priv->regmap, TAS571X_OSC_TRIM_REG, 0);
+ 	if (ret)
+-		return ret;
++		goto disable_regs;
+ 
+ 	usleep_range(50000, 60000);
+ 
+@@ -865,12 +867,20 @@ static int tas571x_i2c_probe(struct i2c_client *client,
+ 		 */
+ 		ret = regmap_update_bits(priv->regmap, TAS571X_MVOL_REG, 1, 0);
+ 		if (ret)
+-			return ret;
++			goto disable_regs;
+ 	}
+ 
+-	return devm_snd_soc_register_component(&client->dev,
++	ret = devm_snd_soc_register_component(&client->dev,
+ 				      &priv->component_driver,
+ 				      &tas571x_dai, 1);
++	if (ret)
++		goto disable_regs;
++
++	return ret;
++
++disable_regs:
++	regulator_bulk_disable(priv->chip->num_supply_names, priv->supplies);
++	return ret;
+ }
+ 
+ static int tas571x_i2c_remove(struct i2c_client *client)
+diff --git a/sound/soc/codecs/wm8960.c b/sound/soc/codecs/wm8960.c
+index 8dc1f3d6a988..c4c00297ada6 100644
+--- a/sound/soc/codecs/wm8960.c
++++ b/sound/soc/codecs/wm8960.c
+@@ -863,8 +863,7 @@ static int wm8960_hw_params(struct snd_pcm_substream *substream,
+ 
+ 	wm8960->is_stream_in_use[tx] = true;
+ 
+-	if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_ON &&
+-	    !wm8960->is_stream_in_use[!tx])
++	if (!wm8960->is_stream_in_use[!tx])
+ 		return wm8960_configure_clocking(component);
+ 
+ 	return 0;
+diff --git a/sound/soc/qcom/qdsp6/q6afe-dai.c b/sound/soc/qcom/qdsp6/q6afe-dai.c
+index 8f6c8fc073a9..1fc1939b90c2 100644
+--- a/sound/soc/qcom/qdsp6/q6afe-dai.c
++++ b/sound/soc/qcom/qdsp6/q6afe-dai.c
+@@ -899,6 +899,8 @@ static struct snd_soc_dai_driver q6afe_dais[] = {
+ 				 SNDRV_PCM_RATE_16000,
+ 			.formats = SNDRV_PCM_FMTBIT_S16_LE |
+ 				   SNDRV_PCM_FMTBIT_S24_LE,
++			.channels_min = 1,
++			.channels_max = 8,
+ 			.rate_min =     8000,
+ 			.rate_max =     48000,
+ 		},
+@@ -914,6 +916,8 @@ static struct snd_soc_dai_driver q6afe_dais[] = {
+ 				 SNDRV_PCM_RATE_16000,
+ 			.formats = SNDRV_PCM_FMTBIT_S16_LE |
+ 				   SNDRV_PCM_FMTBIT_S24_LE,
++			.channels_min = 1,
++			.channels_max = 8,
+ 			.rate_min =     8000,
+ 			.rate_max =     48000,
+ 		},
+@@ -928,6 +932,8 @@ static struct snd_soc_dai_driver q6afe_dais[] = {
+ 			.rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_8000 |
+ 				 SNDRV_PCM_RATE_16000,
+ 			.formats = SNDRV_PCM_FMTBIT_S16_LE,
++			.channels_min = 1,
++			.channels_max = 8,
+ 			.rate_min =     8000,
+ 			.rate_max =     48000,
+ 		},
+@@ -943,6 +949,8 @@ static struct snd_soc_dai_driver q6afe_dais[] = {
+ 				 SNDRV_PCM_RATE_16000,
+ 			.formats = SNDRV_PCM_FMTBIT_S16_LE |
+ 				   SNDRV_PCM_FMTBIT_S24_LE,
++			.channels_min = 1,
++			.channels_max = 8,
+ 			.rate_min =     8000,
+ 			.rate_max =     48000,
+ 		},
+@@ -957,6 +965,8 @@ static struct snd_soc_dai_driver q6afe_dais[] = {
+ 			.rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_8000 |
+ 				 SNDRV_PCM_RATE_16000,
+ 			.formats = SNDRV_PCM_FMTBIT_S16_LE,
++			.channels_min = 1,
++			.channels_max = 8,
+ 			.rate_min =     8000,
+ 			.rate_max =     48000,
+ 		},
+@@ -972,6 +982,8 @@ static struct snd_soc_dai_driver q6afe_dais[] = {
+ 				 SNDRV_PCM_RATE_16000,
+ 			.formats = SNDRV_PCM_FMTBIT_S16_LE |
+ 				   SNDRV_PCM_FMTBIT_S24_LE,
++			.channels_min = 1,
++			.channels_max = 8,
+ 			.rate_min =     8000,
+ 			.rate_max =     48000,
+ 		},
+@@ -986,6 +998,8 @@ static struct snd_soc_dai_driver q6afe_dais[] = {
+ 			.rates = SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_8000 |
+ 				 SNDRV_PCM_RATE_16000,
+ 			.formats = SNDRV_PCM_FMTBIT_S16_LE,
++			.channels_min = 1,
++			.channels_max = 8,
+ 			.rate_min =     8000,
+ 			.rate_max =     48000,
+ 		},
+@@ -1001,6 +1015,8 @@ static struct snd_soc_dai_driver q6afe_dais[] = {
+ 				 SNDRV_PCM_RATE_16000,
+ 			.formats = SNDRV_PCM_FMTBIT_S16_LE |
+ 				   SNDRV_PCM_FMTBIT_S24_LE,
++			.channels_min = 1,
++			.channels_max = 8,
+ 			.rate_min =     8000,
+ 			.rate_max =     48000,
+ 		},
+diff --git a/tools/objtool/check.c b/tools/objtool/check.c
+index 9479c74af9ba..4613d796492a 100644
+--- a/tools/objtool/check.c
++++ b/tools/objtool/check.c
+@@ -2086,14 +2086,27 @@ static bool ignore_unreachable_insn(struct instruction *insn)
+ 	    !strcmp(insn->sec->name, ".altinstr_aux"))
+ 		return true;
+ 
++	if (!insn->func)
++		return false;
++
++	/*
++	 * CONFIG_UBSAN_TRAP inserts a UD2 when it sees
++	 * __builtin_unreachable().  The BUG() macro has an unreachable() after
++	 * the UD2, which causes GCC's undefined trap logic to emit another UD2
++	 * (or occasionally a JMP to UD2).
++	 */
++	if (list_prev_entry(insn, list)->dead_end &&
++	    (insn->type == INSN_BUG ||
++	     (insn->type == INSN_JUMP_UNCONDITIONAL &&
++	      insn->jump_dest && insn->jump_dest->type == INSN_BUG)))
++		return true;
++
+ 	/*
+ 	 * Check if this (or a subsequent) instruction is related to
+ 	 * CONFIG_UBSAN or CONFIG_KASAN.
+ 	 *
+ 	 * End the search at 5 instructions to avoid going into the weeds.
+ 	 */
+-	if (!insn->func)
+-		return false;
+ 	for (i = 0; i < 5; i++) {
+ 
+ 		if (is_kasan_insn(insn) || is_ubsan_insn(insn))
+diff --git a/tools/objtool/orc_dump.c b/tools/objtool/orc_dump.c
+index faa444270ee3..1a3e774941f8 100644
+--- a/tools/objtool/orc_dump.c
++++ b/tools/objtool/orc_dump.c
+@@ -78,7 +78,7 @@ int orc_dump(const char *_objname)
+ 	char *name;
+ 	size_t nr_sections;
+ 	Elf64_Addr orc_ip_addr = 0;
+-	size_t shstrtab_idx;
++	size_t shstrtab_idx, strtab_idx = 0;
+ 	Elf *elf;
+ 	Elf_Scn *scn;
+ 	GElf_Shdr sh;
+@@ -139,6 +139,8 @@ int orc_dump(const char *_objname)
+ 
+ 		if (!strcmp(name, ".symtab")) {
+ 			symtab = data;
++		} else if (!strcmp(name, ".strtab")) {
++			strtab_idx = i;
+ 		} else if (!strcmp(name, ".orc_unwind")) {
+ 			orc = data->d_buf;
+ 			orc_size = sh.sh_size;
+@@ -150,7 +152,7 @@ int orc_dump(const char *_objname)
+ 		}
+ 	}
+ 
+-	if (!symtab || !orc || !orc_ip)
++	if (!symtab || !strtab_idx || !orc || !orc_ip)
+ 		return 0;
+ 
+ 	if (orc_size % sizeof(*orc) != 0) {
+@@ -171,21 +173,29 @@ int orc_dump(const char *_objname)
+ 				return -1;
+ 			}
+ 
+-			scn = elf_getscn(elf, sym.st_shndx);
+-			if (!scn) {
+-				WARN_ELF("elf_getscn");
+-				return -1;
+-			}
+-
+-			if (!gelf_getshdr(scn, &sh)) {
+-				WARN_ELF("gelf_getshdr");
+-				return -1;
+-			}
+-
+-			name = elf_strptr(elf, shstrtab_idx, sh.sh_name);
+-			if (!name || !*name) {
+-				WARN_ELF("elf_strptr");
+-				return -1;
++			if (GELF_ST_TYPE(sym.st_info) == STT_SECTION) {
++				scn = elf_getscn(elf, sym.st_shndx);
++				if (!scn) {
++					WARN_ELF("elf_getscn");
++					return -1;
++				}
++
++				if (!gelf_getshdr(scn, &sh)) {
++					WARN_ELF("gelf_getshdr");
++					return -1;
++				}
++
++				name = elf_strptr(elf, shstrtab_idx, sh.sh_name);
++				if (!name) {
++					WARN_ELF("elf_strptr");
++					return -1;
++				}
++			} else {
++				name = elf_strptr(elf, strtab_idx, sym.st_name);
++				if (!name) {
++					WARN_ELF("elf_strptr");
++					return -1;
++				}
+ 			}
+ 
+ 			printf("%s+%llx:", name, (unsigned long long)rela.r_addend);