Date:   Mon, 4 May 2020 12:23:03 +0200
From:   Greg KH <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org,
        Andrew Morton <akpm@...ux-foundation.org>,
        torvalds@...ux-foundation.org, stable@...r.kernel.org
Cc:     lwn@....net, Jiri Slaby <jslaby@...e.cz>
Subject: Re: Linux 4.19.120

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@...12000 {
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 @@ fec_probe(struct platform_device *pdev)
 	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 @@ struct mlx5_fw_tracer *mlx5_fw_tracer_create(struct mlx5_core_dev *dev)
 	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 @@ static void quirk_reset_lenovo_thinkpad_p50_nvgpu(struct pci_dev *pdev)
 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 @@ int rxrpc_send_data_packet(struct rxrpc_call *call, struct sk_buff *skb,
 	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 @@ int svc_rdma_sendto(struct svc_rqst *rqstp)
 	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);

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