path: root/1008_linux-5.2.9.patch

diff --git a/Makefile b/Makefile
index bad87c4c8117..cfc667fe9959 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
 VERSION = 5
 PATCHLEVEL = 2
-SUBLEVEL = 8
+SUBLEVEL = 9
 EXTRAVERSION =
 NAME = Bobtail Squid
 
diff --git a/arch/arm/boot/dts/bcm47094-linksys-panamera.dts b/arch/arm/boot/dts/bcm47094-linksys-panamera.dts
index 5fd47eec4407..1679959a3654 100644
--- a/arch/arm/boot/dts/bcm47094-linksys-panamera.dts
+++ b/arch/arm/boot/dts/bcm47094-linksys-panamera.dts
@@ -126,6 +126,9 @@
 	};
 
 	mdio-bus-mux {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
 		/* BIT(9) = 1 => external mdio */
 		mdio_ext: mdio@200 {
 			reg = <0x200>;
diff --git a/arch/arm/boot/dts/imx6ul-14x14-evk.dtsi b/arch/arm/boot/dts/imx6ul-14x14-evk.dtsi
index 9207d5d071f1..d556f7c541ce 100644
--- a/arch/arm/boot/dts/imx6ul-14x14-evk.dtsi
+++ b/arch/arm/boot/dts/imx6ul-14x14-evk.dtsi
@@ -112,7 +112,7 @@
 };
 
 &i2c2 {
-	clock_frequency = <100000>;
+	clock-frequency = <100000>;
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_i2c2>;
 	status = "okay";
diff --git a/arch/arm/boot/dts/imx6ul-geam.dts b/arch/arm/boot/dts/imx6ul-geam.dts
index bc77f26a2f1d..6157a058feec 100644
--- a/arch/arm/boot/dts/imx6ul-geam.dts
+++ b/arch/arm/boot/dts/imx6ul-geam.dts
@@ -156,7 +156,7 @@
 };
 
 &i2c2 {
-	clock_frequency = <100000>;
+	clock-frequency = <100000>;
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_i2c2>;
 	status = "okay";
diff --git a/arch/arm/boot/dts/imx6ul-isiot.dtsi b/arch/arm/boot/dts/imx6ul-isiot.dtsi
index 213e802bf35c..23e6e2e7ace9 100644
--- a/arch/arm/boot/dts/imx6ul-isiot.dtsi
+++ b/arch/arm/boot/dts/imx6ul-isiot.dtsi
@@ -148,7 +148,7 @@
 };
 
 &i2c2 {
-	clock_frequency = <100000>;
+	clock-frequency = <100000>;
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_i2c2>;
 	status = "okay";
diff --git a/arch/arm/boot/dts/imx6ul-pico-hobbit.dts b/arch/arm/boot/dts/imx6ul-pico-hobbit.dts
index 39eeeddac39e..09f7ffa9ad8c 100644
--- a/arch/arm/boot/dts/imx6ul-pico-hobbit.dts
+++ b/arch/arm/boot/dts/imx6ul-pico-hobbit.dts
@@ -43,7 +43,7 @@
 };
 
 &i2c2 {
-	clock_frequency = <100000>;
+	clock-frequency = <100000>;
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_i2c2>;
 	status = "okay";
diff --git a/arch/arm/boot/dts/imx6ul-pico-pi.dts b/arch/arm/boot/dts/imx6ul-pico-pi.dts
index de07357b27fc..6cd7d5877d20 100644
--- a/arch/arm/boot/dts/imx6ul-pico-pi.dts
+++ b/arch/arm/boot/dts/imx6ul-pico-pi.dts
@@ -43,7 +43,7 @@
 };
 
 &i2c2 {
-	clock_frequency = <100000>;
+	clock-frequency = <100000>;
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_i2c2>;
 	status = "okay";
@@ -58,7 +58,7 @@
 };
 
 &i2c3 {
-	clock_frequency = <100000>;
+	clock-frequency = <100000>;
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_i2c3>;
 	status = "okay";
diff --git a/arch/arm/mach-davinci/sleep.S b/arch/arm/mach-davinci/sleep.S
index 05d03f09ff54..71262dcdbca3 100644
--- a/arch/arm/mach-davinci/sleep.S
+++ b/arch/arm/mach-davinci/sleep.S
@@ -24,6 +24,7 @@
 #define DEEPSLEEP_SLEEPENABLE_BIT	BIT(31)
 
 	.text
+	.arch	armv5te
 /*
  * Move DaVinci into deep sleep state
  *
diff --git a/arch/arm64/boot/dts/freescale/imx8mm-pinfunc.h b/arch/arm64/boot/dts/freescale/imx8mm-pinfunc.h
index e25f7fcd7997..cffa8991880d 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-pinfunc.h
+++ b/arch/arm64/boot/dts/freescale/imx8mm-pinfunc.h
@@ -462,7 +462,7 @@
 #define MX8MM_IOMUXC_SAI3_RXFS_GPIO4_IO28                                   0x1CC 0x434 0x000 0x5 0x0
 #define MX8MM_IOMUXC_SAI3_RXFS_TPSMP_HTRANS0                                0x1CC 0x434 0x000 0x7 0x0
 #define MX8MM_IOMUXC_SAI3_RXC_SAI3_RX_BCLK                                  0x1D0 0x438 0x000 0x0 0x0
-#define MX8MM_IOMUXC_SAI3_RXC_GPT1_CAPTURE2                                 0x1D0 0x438 0x000 0x1 0x0
+#define MX8MM_IOMUXC_SAI3_RXC_GPT1_CLK                                      0x1D0 0x438 0x000 0x1 0x0
 #define MX8MM_IOMUXC_SAI3_RXC_SAI5_RX_BCLK                                  0x1D0 0x438 0x4D0 0x2 0x2
 #define MX8MM_IOMUXC_SAI3_RXC_GPIO4_IO29                                    0x1D0 0x438 0x000 0x5 0x0
 #define MX8MM_IOMUXC_SAI3_RXC_TPSMP_HTRANS1                                 0x1D0 0x438 0x000 0x7 0x0
@@ -472,7 +472,7 @@
 #define MX8MM_IOMUXC_SAI3_RXD_GPIO4_IO30                                    0x1D4 0x43C 0x000 0x5 0x0
 #define MX8MM_IOMUXC_SAI3_RXD_TPSMP_HDATA0                                  0x1D4 0x43C 0x000 0x7 0x0
 #define MX8MM_IOMUXC_SAI3_TXFS_SAI3_TX_SYNC                                 0x1D8 0x440 0x000 0x0 0x0
-#define MX8MM_IOMUXC_SAI3_TXFS_GPT1_CLK                                     0x1D8 0x440 0x000 0x1 0x0
+#define MX8MM_IOMUXC_SAI3_TXFS_GPT1_CAPTURE2                                0x1D8 0x440 0x000 0x1 0x0
 #define MX8MM_IOMUXC_SAI3_TXFS_SAI5_RX_DATA1                                0x1D8 0x440 0x4D8 0x2 0x2
 #define MX8MM_IOMUXC_SAI3_TXFS_GPIO4_IO31                                   0x1D8 0x440 0x000 0x5 0x0
 #define MX8MM_IOMUXC_SAI3_TXFS_TPSMP_HDATA1                                 0x1D8 0x440 0x000 0x7 0x0
diff --git a/arch/arm64/boot/dts/freescale/imx8mq.dtsi b/arch/arm64/boot/dts/freescale/imx8mq.dtsi
index 6d635ba0904c..6632cbd88bed 100644
--- a/arch/arm64/boot/dts/freescale/imx8mq.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8mq.dtsi
@@ -675,8 +675,7 @@
 
 			sai2: sai@308b0000 {
 				#sound-dai-cells = <0>;
-				compatible = "fsl,imx8mq-sai",
-					     "fsl,imx6sx-sai";
+				compatible = "fsl,imx8mq-sai";
 				reg = <0x308b0000 0x10000>;
 				interrupts = <GIC_SPI 96 IRQ_TYPE_LEVEL_HIGH>;
 				clocks = <&clk IMX8MQ_CLK_SAI2_IPG>,
diff --git a/arch/arm64/include/asm/processor.h b/arch/arm64/include/asm/processor.h
index fd5b1a4efc70..844e2964b0f5 100644
--- a/arch/arm64/include/asm/processor.h
+++ b/arch/arm64/include/asm/processor.h
@@ -193,6 +193,16 @@ static inline void start_thread_common(struct pt_regs *regs, unsigned long pc)
 		regs->pmr_save = GIC_PRIO_IRQON;
 }
 
+static inline void set_ssbs_bit(struct pt_regs *regs)
+{
+	regs->pstate |= PSR_SSBS_BIT;
+}
+
+static inline void set_compat_ssbs_bit(struct pt_regs *regs)
+{
+	regs->pstate |= PSR_AA32_SSBS_BIT;
+}
+
 static inline void start_thread(struct pt_regs *regs, unsigned long pc,
 				unsigned long sp)
 {
@@ -200,7 +210,7 @@ static inline void start_thread(struct pt_regs *regs, unsigned long pc,
 	regs->pstate = PSR_MODE_EL0t;
 
 	if (arm64_get_ssbd_state() != ARM64_SSBD_FORCE_ENABLE)
-		regs->pstate |= PSR_SSBS_BIT;
+		set_ssbs_bit(regs);
 
 	regs->sp = sp;
 }
@@ -219,7 +229,7 @@ static inline void compat_start_thread(struct pt_regs *regs, unsigned long pc,
 #endif
 
 	if (arm64_get_ssbd_state() != ARM64_SSBD_FORCE_ENABLE)
-		regs->pstate |= PSR_AA32_SSBS_BIT;
+		set_compat_ssbs_bit(regs);
 
 	regs->compat_sp = sp;
 }
diff --git a/arch/arm64/kernel/entry.S b/arch/arm64/kernel/entry.S
index 9cdc4592da3e..320a30dbe35e 100644
--- a/arch/arm64/kernel/entry.S
+++ b/arch/arm64/kernel/entry.S
@@ -586,10 +586,8 @@ el1_sync:
 	b.eq	el1_ia
 	cmp	x24, #ESR_ELx_EC_SYS64		// configurable trap
 	b.eq	el1_undef
-	cmp	x24, #ESR_ELx_EC_SP_ALIGN	// stack alignment exception
-	b.eq	el1_sp_pc
 	cmp	x24, #ESR_ELx_EC_PC_ALIGN	// pc alignment exception
-	b.eq	el1_sp_pc
+	b.eq	el1_pc
 	cmp	x24, #ESR_ELx_EC_UNKNOWN	// unknown exception in EL1
 	b.eq	el1_undef
 	cmp	x24, #ESR_ELx_EC_BREAKPT_CUR	// debug exception in EL1
@@ -611,9 +609,11 @@ el1_da:
 	bl	do_mem_abort
 
 	kernel_exit 1
-el1_sp_pc:
+el1_pc:
 	/*
-	 * Stack or PC alignment exception handling
+	 * PC alignment exception handling. We don't handle SP alignment faults,
+	 * since we will have hit a recursive exception when trying to push the
+	 * initial pt_regs.
 	 */
 	mrs	x0, far_el1
 	inherit_daif	pstate=x23, tmp=x2
@@ -732,9 +732,9 @@ el0_sync:
 	ccmp	x24, #ESR_ELx_EC_WFx, #4, ne
 	b.eq	el0_sys
 	cmp	x24, #ESR_ELx_EC_SP_ALIGN	// stack alignment exception
-	b.eq	el0_sp_pc
+	b.eq	el0_sp
 	cmp	x24, #ESR_ELx_EC_PC_ALIGN	// pc alignment exception
-	b.eq	el0_sp_pc
+	b.eq	el0_pc
 	cmp	x24, #ESR_ELx_EC_UNKNOWN	// unknown exception in EL0
 	b.eq	el0_undef
 	cmp	x24, #ESR_ELx_EC_BREAKPT_LOW	// debug exception in EL0
@@ -758,7 +758,7 @@ el0_sync_compat:
 	cmp	x24, #ESR_ELx_EC_FP_EXC32	// FP/ASIMD exception
 	b.eq	el0_fpsimd_exc
 	cmp	x24, #ESR_ELx_EC_PC_ALIGN	// pc alignment exception
-	b.eq	el0_sp_pc
+	b.eq	el0_pc
 	cmp	x24, #ESR_ELx_EC_UNKNOWN	// unknown exception in EL0
 	b.eq	el0_undef
 	cmp	x24, #ESR_ELx_EC_CP15_32	// CP15 MRC/MCR trap
@@ -858,11 +858,15 @@ el0_fpsimd_exc:
 	mov	x1, sp
 	bl	do_fpsimd_exc
 	b	ret_to_user
+el0_sp:
+	ldr	x26, [sp, #S_SP]
+	b	el0_sp_pc
+el0_pc:
+	mrs	x26, far_el1
 el0_sp_pc:
 	/*
 	 * Stack or PC alignment exception handling
 	 */
-	mrs	x26, far_el1
 	gic_prio_kentry_setup tmp=x0
 	enable_da_f
 #ifdef CONFIG_TRACE_IRQFLAGS
diff --git a/arch/arm64/kernel/process.c b/arch/arm64/kernel/process.c
index 6a869d9f304f..b0c859ca6320 100644
--- a/arch/arm64/kernel/process.c
+++ b/arch/arm64/kernel/process.c
@@ -398,7 +398,7 @@ int copy_thread(unsigned long clone_flags, unsigned long stack_start,
 			childregs->pstate |= PSR_UAO_BIT;
 
 		if (arm64_get_ssbd_state() == ARM64_SSBD_FORCE_DISABLE)
-			childregs->pstate |= PSR_SSBS_BIT;
+			set_ssbs_bit(childregs);
 
 		if (system_uses_irq_prio_masking())
 			childregs->pmr_save = GIC_PRIO_IRQON;
@@ -442,6 +442,32 @@ void uao_thread_switch(struct task_struct *next)
 	}
 }
 
+/*
+ * Force SSBS state on context-switch, since it may be lost after migrating
+ * from a CPU which treats the bit as RES0 in a heterogeneous system.
+ */
+static void ssbs_thread_switch(struct task_struct *next)
+{
+	struct pt_regs *regs = task_pt_regs(next);
+
+	/*
+	 * Nothing to do for kernel threads, but 'regs' may be junk
+	 * (e.g. idle task) so check the flags and bail early.
+	 */
+	if (unlikely(next->flags & PF_KTHREAD))
+		return;
+
+	/* If the mitigation is enabled, then we leave SSBS clear. */
+	if ((arm64_get_ssbd_state() == ARM64_SSBD_FORCE_ENABLE) ||
+	    test_tsk_thread_flag(next, TIF_SSBD))
+		return;
+
+	if (compat_user_mode(regs))
+		set_compat_ssbs_bit(regs);
+	else if (user_mode(regs))
+		set_ssbs_bit(regs);
+}
+
 /*
  * We store our current task in sp_el0, which is clobbered by userspace. Keep a
  * shadow copy so that we can restore this upon entry from userspace.
@@ -471,6 +497,7 @@ __notrace_funcgraph struct task_struct *__switch_to(struct task_struct *prev,
 	entry_task_switch(next);
 	uao_thread_switch(next);
 	ptrauth_thread_switch(next);
+	ssbs_thread_switch(next);
 
 	/*
 	 * Complete any pending TLB or cache maintenance on this CPU in case
diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c
index 6d704ad2472b..993017dd83ca 100644
--- a/arch/powerpc/kvm/powerpc.c
+++ b/arch/powerpc/kvm/powerpc.c
@@ -50,6 +50,11 @@ int kvm_arch_vcpu_runnable(struct kvm_vcpu *v)
 	return !!(v->arch.pending_exceptions) || kvm_request_pending(v);
 }
 
+bool kvm_arch_dy_runnable(struct kvm_vcpu *vcpu)
+{
+	return kvm_arch_vcpu_runnable(vcpu);
+}
+
 bool kvm_arch_vcpu_in_kernel(struct kvm_vcpu *vcpu)
 {
 	return false;
diff --git a/arch/powerpc/mm/mem.c b/arch/powerpc/mm/mem.c
index 2540d3b2588c..2eda1ec36f55 100644
--- a/arch/powerpc/mm/mem.c
+++ b/arch/powerpc/mm/mem.c
@@ -249,7 +249,7 @@ void __init paging_init(void)
 
 #ifdef CONFIG_ZONE_DMA
 	max_zone_pfns[ZONE_DMA]	= min(max_low_pfn,
-			((1UL << ARCH_ZONE_DMA_BITS) - 1) >> PAGE_SHIFT);
+				      1UL << (ARCH_ZONE_DMA_BITS - PAGE_SHIFT));
 #endif
 	max_zone_pfns[ZONE_NORMAL] = max_low_pfn;
 #ifdef CONFIG_HIGHMEM
diff --git a/arch/powerpc/platforms/pseries/papr_scm.c b/arch/powerpc/platforms/pseries/papr_scm.c
index 96c53b23e58f..dad9825e4087 100644
--- a/arch/powerpc/platforms/pseries/papr_scm.c
+++ b/arch/powerpc/platforms/pseries/papr_scm.c
@@ -42,8 +42,9 @@ struct papr_scm_priv {
 static int drc_pmem_bind(struct papr_scm_priv *p)
 {
 	unsigned long ret[PLPAR_HCALL_BUFSIZE];
-	uint64_t rc, token;
 	uint64_t saved = 0;
+	uint64_t token;
+	int64_t rc;
 
 	/*
 	 * When the hypervisor cannot map all the requested memory in a single
@@ -63,6 +64,10 @@ static int drc_pmem_bind(struct papr_scm_priv *p)
 	} while (rc == H_BUSY);
 
 	if (rc) {
+		/* H_OVERLAP needs a separate error path */
+		if (rc == H_OVERLAP)
+			return -EBUSY;
+
 		dev_err(&p->pdev->dev, "bind err: %lld\n", rc);
 		return -ENXIO;
 	}
@@ -316,6 +321,14 @@ static int papr_scm_probe(struct platform_device *pdev)
 
 	/* request the hypervisor to bind this region to somewhere in memory */
 	rc = drc_pmem_bind(p);
+
+	/* If phyp says drc memory still bound then force unbound and retry */
+	if (rc == -EBUSY) {
+		dev_warn(&pdev->dev, "Retrying bind after unbinding\n");
+		drc_pmem_unbind(p);
+		rc = drc_pmem_bind(p);
+	}
+
 	if (rc)
 		goto err;
 
diff --git a/arch/s390/include/asm/page.h b/arch/s390/include/asm/page.h
index a4d38092530a..823578c6b9e2 100644
--- a/arch/s390/include/asm/page.h
+++ b/arch/s390/include/asm/page.h
@@ -177,6 +177,8 @@ static inline int devmem_is_allowed(unsigned long pfn)
 #define VM_DATA_DEFAULT_FLAGS	(VM_READ | VM_WRITE | \
 				 VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
 
+#define ARCH_ZONE_DMA_BITS	31
+
 #include <asm-generic/memory_model.h>
 #include <asm-generic/getorder.h>
 
diff --git a/arch/x86/boot/string.c b/arch/x86/boot/string.c
index 401e30ca0a75..8272a4492844 100644
--- a/arch/x86/boot/string.c
+++ b/arch/x86/boot/string.c
@@ -37,6 +37,14 @@ int memcmp(const void *s1, const void *s2, size_t len)
 	return diff;
 }
 
+/*
+ * Clang may lower `memcmp == 0` to `bcmp == 0`.
+ */
+int bcmp(const void *s1, const void *s2, size_t len)
+{
+	return memcmp(s1, s2, len);
+}
+
 int strcmp(const char *str1, const char *str2)
 {
 	const unsigned char *s1 = (const unsigned char *)str1;
diff --git a/arch/x86/events/intel/core.c b/arch/x86/events/intel/core.c
index 2889dd023566..6179be624f35 100644
--- a/arch/x86/events/intel/core.c
+++ b/arch/x86/events/intel/core.c
@@ -20,7 +20,6 @@
 #include <asm/intel-family.h>
 #include <asm/apic.h>
 #include <asm/cpu_device_id.h>
-#include <asm/hypervisor.h>
 
 #include "../perf_event.h"
 
@@ -263,8 +262,8 @@ static struct event_constraint intel_icl_event_constraints[] = {
 };
 
 static struct extra_reg intel_icl_extra_regs[] __read_mostly = {
-	INTEL_UEVENT_EXTRA_REG(0x01b7, MSR_OFFCORE_RSP_0, 0x3fffff9fffull, RSP_0),
-	INTEL_UEVENT_EXTRA_REG(0x01bb, MSR_OFFCORE_RSP_1, 0x3fffff9fffull, RSP_1),
+	INTEL_UEVENT_EXTRA_REG(0x01b7, MSR_OFFCORE_RSP_0, 0x3fffffbfffull, RSP_0),
+	INTEL_UEVENT_EXTRA_REG(0x01bb, MSR_OFFCORE_RSP_1, 0x3fffffbfffull, RSP_1),
 	INTEL_UEVENT_PEBS_LDLAT_EXTRA_REG(0x01cd),
 	INTEL_UEVENT_EXTRA_REG(0x01c6, MSR_PEBS_FRONTEND, 0x7fff17, FE),
 	EVENT_EXTRA_END
@@ -4057,7 +4056,7 @@ static bool check_msr(unsigned long msr, u64 mask)
 	 * Disable the check for real HW, so we don't
 	 * mess with potentionaly enabled registers:
 	 */
-	if (hypervisor_is_type(X86_HYPER_NATIVE))
+	if (!boot_cpu_has(X86_FEATURE_HYPERVISOR))
 		return true;
 
 	/*
diff --git a/arch/x86/events/intel/ds.c b/arch/x86/events/intel/ds.c
index 505c73dc6a73..6601b8759c92 100644
--- a/arch/x86/events/intel/ds.c
+++ b/arch/x86/events/intel/ds.c
@@ -851,7 +851,7 @@ struct event_constraint intel_skl_pebs_event_constraints[] = {
 
 struct event_constraint intel_icl_pebs_event_constraints[] = {
 	INTEL_FLAGS_UEVENT_CONSTRAINT(0x1c0, 0x100000000ULL),	/* INST_RETIRED.PREC_DIST */
-	INTEL_FLAGS_UEVENT_CONSTRAINT(0x0400, 0x400000000ULL),	/* SLOTS */
+	INTEL_FLAGS_UEVENT_CONSTRAINT(0x0400, 0x800000000ULL),	/* SLOTS */
 
 	INTEL_PLD_CONSTRAINT(0x1cd, 0xff),			/* MEM_TRANS_RETIRED.LOAD_LATENCY */
 	INTEL_FLAGS_UEVENT_CONSTRAINT_DATALA_LD(0x1d0, 0xf),	/* MEM_INST_RETIRED.LOAD */
diff --git a/arch/x86/include/asm/kvm_host.h b/arch/x86/include/asm/kvm_host.h
index 8253925c5e8c..921c609c2af7 100644
--- a/arch/x86/include/asm/kvm_host.h
+++ b/arch/x86/include/asm/kvm_host.h
@@ -1169,6 +1169,7 @@ struct kvm_x86_ops {
 	int (*update_pi_irte)(struct kvm *kvm, unsigned int host_irq,
 			      uint32_t guest_irq, bool set);
 	void (*apicv_post_state_restore)(struct kvm_vcpu *vcpu);
+	bool (*dy_apicv_has_pending_interrupt)(struct kvm_vcpu *vcpu);
 
 	int (*set_hv_timer)(struct kvm_vcpu *vcpu, u64 guest_deadline_tsc,
 			    bool *expired);
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 48c865a4e5dd..14384a1ec53f 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -3290,7 +3290,7 @@ static int nested_svm_vmexit(struct vcpu_svm *svm)
 				       vmcb->control.exit_int_info_err,
 				       KVM_ISA_SVM);
 
-	rc = kvm_vcpu_map(&svm->vcpu, gfn_to_gpa(svm->nested.vmcb), &map);
+	rc = kvm_vcpu_map(&svm->vcpu, gpa_to_gfn(svm->nested.vmcb), &map);
 	if (rc) {
 		if (rc == -EINVAL)
 			kvm_inject_gp(&svm->vcpu, 0);
@@ -3580,7 +3580,7 @@ static bool nested_svm_vmrun(struct vcpu_svm *svm)
 
 	vmcb_gpa = svm->vmcb->save.rax;
 
-	rc = kvm_vcpu_map(&svm->vcpu, gfn_to_gpa(vmcb_gpa), &map);
+	rc = kvm_vcpu_map(&svm->vcpu, gpa_to_gfn(vmcb_gpa), &map);
 	if (rc) {
 		if (rc == -EINVAL)
 			kvm_inject_gp(&svm->vcpu, 0);
@@ -5167,6 +5167,11 @@ static void svm_deliver_avic_intr(struct kvm_vcpu *vcpu, int vec)
 		kvm_vcpu_wake_up(vcpu);
 }
 
+static bool svm_dy_apicv_has_pending_interrupt(struct kvm_vcpu *vcpu)
+{
+	return false;
+}
+
 static void svm_ir_list_del(struct vcpu_svm *svm, struct amd_iommu_pi_data *pi)
 {
 	unsigned long flags;
@@ -7264,6 +7269,7 @@ static struct kvm_x86_ops svm_x86_ops __ro_after_init = {
 
 	.pmu_ops = &amd_pmu_ops,
 	.deliver_posted_interrupt = svm_deliver_avic_intr,
+	.dy_apicv_has_pending_interrupt = svm_dy_apicv_has_pending_interrupt,
 	.update_pi_irte = svm_update_pi_irte,
 	.setup_mce = svm_setup_mce,
 
diff --git a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
index 924c2a79e4a9..4b830c0adcf8 100644
--- a/arch/x86/kvm/vmx/vmx.c
+++ b/arch/x86/kvm/vmx/vmx.c
@@ -6096,6 +6096,11 @@ static int vmx_sync_pir_to_irr(struct kvm_vcpu *vcpu)
 	return max_irr;
 }
 
+static bool vmx_dy_apicv_has_pending_interrupt(struct kvm_vcpu *vcpu)
+{
+	return pi_test_on(vcpu_to_pi_desc(vcpu));
+}
+
 static void vmx_load_eoi_exitmap(struct kvm_vcpu *vcpu, u64 *eoi_exit_bitmap)
 {
 	if (!kvm_vcpu_apicv_active(vcpu))
@@ -7662,6 +7667,7 @@ static struct kvm_x86_ops vmx_x86_ops __ro_after_init = {
 	.guest_apic_has_interrupt = vmx_guest_apic_has_interrupt,
 	.sync_pir_to_irr = vmx_sync_pir_to_irr,
 	.deliver_posted_interrupt = vmx_deliver_posted_interrupt,
+	.dy_apicv_has_pending_interrupt = vmx_dy_apicv_has_pending_interrupt,
 
 	.set_tss_addr = vmx_set_tss_addr,
 	.set_identity_map_addr = vmx_set_identity_map_addr,
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index a8ad3a4d86b1..cbced8ff29d4 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -9641,6 +9641,22 @@ int kvm_arch_vcpu_runnable(struct kvm_vcpu *vcpu)
 	return kvm_vcpu_running(vcpu) || kvm_vcpu_has_events(vcpu);
 }
 
+bool kvm_arch_dy_runnable(struct kvm_vcpu *vcpu)
+{
+	if (READ_ONCE(vcpu->arch.pv.pv_unhalted))
+		return true;
+
+	if (kvm_test_request(KVM_REQ_NMI, vcpu) ||
+		kvm_test_request(KVM_REQ_SMI, vcpu) ||
+		 kvm_test_request(KVM_REQ_EVENT, vcpu))
+		return true;
+
+	if (vcpu->arch.apicv_active && kvm_x86_ops->dy_apicv_has_pending_interrupt(vcpu))
+		return true;
+
+	return false;
+}
+
 bool kvm_arch_vcpu_in_kernel(struct kvm_vcpu *vcpu)
 {
 	return vcpu->arch.preempted_in_kernel;
diff --git a/arch/x86/mm/fault.c b/arch/x86/mm/fault.c
index 46df4c6aae46..26a8b4b1b9ed 100644
--- a/arch/x86/mm/fault.c
+++ b/arch/x86/mm/fault.c
@@ -194,13 +194,14 @@ static inline pmd_t *vmalloc_sync_one(pgd_t *pgd, unsigned long address)
 
 	pmd = pmd_offset(pud, address);
 	pmd_k = pmd_offset(pud_k, address);
-	if (!pmd_present(*pmd_k))
-		return NULL;
 
-	if (!pmd_present(*pmd))
+	if (pmd_present(*pmd) != pmd_present(*pmd_k))
 		set_pmd(pmd, *pmd_k);
+
+	if (!pmd_present(*pmd_k))
+		return NULL;
 	else
-		BUG_ON(pmd_page(*pmd) != pmd_page(*pmd_k));
+		BUG_ON(pmd_pfn(*pmd) != pmd_pfn(*pmd_k));
 
 	return pmd_k;
 }
@@ -220,17 +221,13 @@ void vmalloc_sync_all(void)
 		spin_lock(&pgd_lock);
 		list_for_each_entry(page, &pgd_list, lru) {
 			spinlock_t *pgt_lock;
-			pmd_t *ret;
 
 			/* the pgt_lock only for Xen */
 			pgt_lock = &pgd_page_get_mm(page)->page_table_lock;
 
 			spin_lock(pgt_lock);
-			ret = vmalloc_sync_one(page_address(page), address);
+			vmalloc_sync_one(page_address(page), address);
 			spin_unlock(pgt_lock);
-
-			if (!ret)
-				break;
 		}
 		spin_unlock(&pgd_lock);
 	}
diff --git a/arch/x86/purgatory/Makefile b/arch/x86/purgatory/Makefile
index 3cf302b26332..8901a1f89cf5 100644
--- a/arch/x86/purgatory/Makefile
+++ b/arch/x86/purgatory/Makefile
@@ -6,6 +6,9 @@ purgatory-y := purgatory.o stack.o setup-x86_$(BITS).o sha256.o entry64.o string
 targets += $(purgatory-y)
 PURGATORY_OBJS = $(addprefix $(obj)/,$(purgatory-y))
 
+$(obj)/string.o: $(srctree)/arch/x86/boot/compressed/string.c FORCE
+	$(call if_changed_rule,cc_o_c)
+
 $(obj)/sha256.o: $(srctree)/lib/sha256.c FORCE
 	$(call if_changed_rule,cc_o_c)
 
@@ -17,11 +20,34 @@ KCOV_INSTRUMENT := n
 
 # Default KBUILD_CFLAGS can have -pg option set when FTRACE is enabled. That
 # in turn leaves some undefined symbols like __fentry__ in purgatory and not
-# sure how to relocate those. Like kexec-tools, use custom flags.
-
-KBUILD_CFLAGS := -fno-strict-aliasing -Wall -Wstrict-prototypes -fno-zero-initialized-in-bss -fno-builtin -ffreestanding -c -Os -mcmodel=large
-KBUILD_CFLAGS += -m$(BITS)
-KBUILD_CFLAGS += $(call cc-option,-fno-PIE)
+# sure how to relocate those.
+ifdef CONFIG_FUNCTION_TRACER
+CFLAGS_REMOVE_sha256.o		+= $(CC_FLAGS_FTRACE)
+CFLAGS_REMOVE_purgatory.o	+= $(CC_FLAGS_FTRACE)
+CFLAGS_REMOVE_string.o		+= $(CC_FLAGS_FTRACE)
+CFLAGS_REMOVE_kexec-purgatory.o	+= $(CC_FLAGS_FTRACE)
+endif
+
+ifdef CONFIG_STACKPROTECTOR
+CFLAGS_REMOVE_sha256.o		+= -fstack-protector
+CFLAGS_REMOVE_purgatory.o	+= -fstack-protector
+CFLAGS_REMOVE_string.o		+= -fstack-protector
+CFLAGS_REMOVE_kexec-purgatory.o	+= -fstack-protector
+endif
+
+ifdef CONFIG_STACKPROTECTOR_STRONG
+CFLAGS_REMOVE_sha256.o		+= -fstack-protector-strong
+CFLAGS_REMOVE_purgatory.o	+= -fstack-protector-strong
+CFLAGS_REMOVE_string.o		+= -fstack-protector-strong
+CFLAGS_REMOVE_kexec-purgatory.o	+= -fstack-protector-strong
+endif
+
+ifdef CONFIG_RETPOLINE
+CFLAGS_REMOVE_sha256.o		+= $(RETPOLINE_CFLAGS)
+CFLAGS_REMOVE_purgatory.o	+= $(RETPOLINE_CFLAGS)
+CFLAGS_REMOVE_string.o		+= $(RETPOLINE_CFLAGS)
+CFLAGS_REMOVE_kexec-purgatory.o	+= $(RETPOLINE_CFLAGS)
+endif
 
 $(obj)/purgatory.ro: $(PURGATORY_OBJS) FORCE
 		$(call if_changed,ld)
diff --git a/arch/x86/purgatory/purgatory.c b/arch/x86/purgatory/purgatory.c
index 6d8d5a34c377..b607bda786f6 100644
--- a/arch/x86/purgatory/purgatory.c
+++ b/arch/x86/purgatory/purgatory.c
@@ -68,3 +68,9 @@ void purgatory(void)
 	}
 	copy_backup_region();
 }
+
+/*
+ * Defined in order to reuse memcpy() and memset() from
+ * arch/x86/boot/compressed/string.c
+ */
+void warn(const char *msg) {}
diff --git a/arch/x86/purgatory/string.c b/arch/x86/purgatory/string.c
deleted file mode 100644
index 01ad43873ad9..000000000000
--- a/arch/x86/purgatory/string.c
+++ /dev/null
@@ -1,23 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Simple string functions.
- *
- * Copyright (C) 2014 Red Hat Inc.
- *
- * Author:
- *       Vivek Goyal <vgoyal@redhat.com>
- */
-
-#include <linux/types.h>
-
-#include "../boot/string.c"
-
-void *memcpy(void *dst, const void *src, size_t len)
-{
-	return __builtin_memcpy(dst, src, len);
-}
-
-void *memset(void *dst, int c, size_t len)
-{
-	return __builtin_memset(dst, c, len);
-}
diff --git a/block/blk-rq-qos.c b/block/blk-rq-qos.c
index 659ccb8b693f..06d024204f50 100644
--- a/block/blk-rq-qos.c
+++ b/block/blk-rq-qos.c
@@ -202,6 +202,7 @@ static int rq_qos_wake_function(struct wait_queue_entry *curr,
 		return -1;
 
 	data->got_token = true;
+	smp_wmb();
 	list_del_init(&curr->entry);
 	wake_up_process(data->task);
 	return 1;
@@ -245,6 +246,7 @@ void rq_qos_wait(struct rq_wait *rqw, void *private_data,
 
 	prepare_to_wait_exclusive(&rqw->wait, &data.wq, TASK_UNINTERRUPTIBLE);
 	do {
+		/* The memory barrier in set_task_state saves us here. */
 		if (data.got_token)
 			break;
 		if (!has_sleeper && acquire_inflight_cb(rqw, private_data)) {
@@ -255,12 +257,14 @@ void rq_qos_wait(struct rq_wait *rqw, void *private_data,
 			 * which means we now have two. Put our local token
 			 * and wake anyone else potentially waiting for one.
 			 */
+			smp_rmb();
 			if (data.got_token)
 				cleanup_cb(rqw, private_data);
 			break;
 		}
 		io_schedule();
-		has_sleeper = false;
+		has_sleeper = true;
+		set_current_state(TASK_UNINTERRUPTIBLE);
 	} while (1);
 	finish_wait(&rqw->wait, &data.wq);
 }
diff --git a/drivers/acpi/arm64/iort.c b/drivers/acpi/arm64/iort.c
index d4551e33fa71..8569b79e8b58 100644
--- a/drivers/acpi/arm64/iort.c
+++ b/drivers/acpi/arm64/iort.c
@@ -611,8 +611,8 @@ static int iort_dev_find_its_id(struct device *dev, u32 req_id,
 
 	/* Move to ITS specific data */
 	its = (struct acpi_iort_its_group *)node->node_data;
-	if (idx > its->its_count) {
-		dev_err(dev, "requested ITS ID index [%d] is greater than available [%d]\n",
+	if (idx >= its->its_count) {
+		dev_err(dev, "requested ITS ID index [%d] overruns ITS entries [%d]\n",
 			idx, its->its_count);
 		return -ENXIO;
 	}
diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index 4d1729853d1a..8b25c7b12179 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -157,8 +157,13 @@ int platform_get_irq(struct platform_device *dev, unsigned int num)
 	 * the device will only expose one IRQ, and this fallback
 	 * allows a common code path across either kind of resource.
 	 */
-	if (num == 0 && has_acpi_companion(&dev->dev))
-		return acpi_dev_gpio_irq_get(ACPI_COMPANION(&dev->dev), num);
+	if (num == 0 && has_acpi_companion(&dev->dev)) {
+		int ret = acpi_dev_gpio_irq_get(ACPI_COMPANION(&dev->dev), num);
+
+		/* Our callers expect -ENXIO for missing IRQs. */
+		if (ret >= 0 || ret == -EPROBE_DEFER)
+			return ret;
+	}
 
 	return -ENXIO;
 #endif
diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c
index 90ebfcae0ce6..2b3103c30857 100644
--- a/drivers/block/drbd/drbd_receiver.c
+++ b/drivers/block/drbd/drbd_receiver.c
@@ -5417,7 +5417,7 @@ static int drbd_do_auth(struct drbd_connection *connection)
 	unsigned int key_len;
 	char secret[SHARED_SECRET_MAX]; /* 64 byte */
 	unsigned int resp_size;
-	SHASH_DESC_ON_STACK(desc, connection->cram_hmac_tfm);
+	struct shash_desc *desc;
 	struct packet_info pi;
 	struct net_conf *nc;
 	int err, rv;
@@ -5430,6 +5430,13 @@ static int drbd_do_auth(struct drbd_connection *connection)
 	memcpy(secret, nc->shared_secret, key_len);
 	rcu_read_unlock();
 
+	desc = kmalloc(sizeof(struct shash_desc) +
+		       crypto_shash_descsize(connection->cram_hmac_tfm),
+		       GFP_KERNEL);
+	if (!desc) {
+		rv = -1;
+		goto fail;
+	}
 	desc->tfm = connection->cram_hmac_tfm;
 
 	rv = crypto_shash_setkey(connection->cram_hmac_tfm, (u8 *)secret, key_len);
@@ -5571,7 +5578,10 @@ static int drbd_do_auth(struct drbd_connection *connection)
 	kfree(peers_ch);
 	kfree(response);
 	kfree(right_response);
-	shash_desc_zero(desc);
+	if (desc) {
+		shash_desc_zero(desc);
+		kfree(desc);
+	}
 
 	return rv;
 }
diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index 430d31499ce9..e1739efca37e 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -893,7 +893,7 @@ static void loop_unprepare_queue(struct loop_device *lo)
 
 static int loop_kthread_worker_fn(void *worker_ptr)
 {
-	current->flags |= PF_LESS_THROTTLE;
+	current->flags |= PF_LESS_THROTTLE | PF_MEMALLOC_NOIO;
 	return kthread_worker_fn(worker_ptr);
 }
 
diff --git a/drivers/cpufreq/pasemi-cpufreq.c b/drivers/cpufreq/pasemi-cpufreq.c
index 6b1e4abe3248..d2f061015323 100644
--- a/drivers/cpufreq/pasemi-cpufreq.c
+++ b/drivers/cpufreq/pasemi-cpufreq.c
@@ -131,10 +131,18 @@ static int pas_cpufreq_cpu_init(struct cpufreq_policy *policy)
 	int err = -ENODEV;
 
 	cpu = of_get_cpu_node(policy->cpu, NULL);
+	if (!cpu)
+		goto out;
 
+	max_freqp = of_get_property(cpu, "clock-frequency", NULL);
 	of_node_put(cpu);
-	if (!cpu)
+	if (!max_freqp) {
+		err = -EINVAL;
 		goto out;
+	}
+
+	/* we need the freq in kHz */
+	max_freq = *max_freqp / 1000;
 
 	dn = of_find_compatible_node(NULL, NULL, "1682m-sdc");
 	if (!dn)
@@ -171,16 +179,6 @@ static int pas_cpufreq_cpu_init(struct cpufreq_policy *policy)
 	}
 
 	pr_debug("init cpufreq on CPU %d\n", policy->cpu);
-
-	max_freqp = of_get_property(cpu, "clock-frequency", NULL);
-	if (!max_freqp) {
-		err = -EINVAL;
-		goto out_unmap_sdcpwr;
-	}
-
-	/* we need the freq in kHz */
-	max_freq = *max_freqp / 1000;
-
 	pr_debug("max clock-frequency is at %u kHz\n", max_freq);
 	pr_debug("initializing frequency table\n");
 
@@ -198,9 +196,6 @@ static int pas_cpufreq_cpu_init(struct cpufreq_policy *policy)
 
 	return cpufreq_generic_init(policy, pas_freqs, get_gizmo_latency());
 
-out_unmap_sdcpwr:
-	iounmap(sdcpwr_mapbase);
-
 out_unmap_sdcasr:
 	iounmap(sdcasr_mapbase);
 out:
diff --git a/drivers/crypto/ccp/ccp-crypto-aes-galois.c b/drivers/crypto/ccp/ccp-crypto-aes-galois.c
index f9fec2ddf56a..94c1ad7eeddf 100644
--- a/drivers/crypto/ccp/ccp-crypto-aes-galois.c
+++ b/drivers/crypto/ccp/ccp-crypto-aes-galois.c
@@ -58,6 +58,19 @@ static int ccp_aes_gcm_setkey(struct crypto_aead *tfm, const u8 *key,
 static int ccp_aes_gcm_setauthsize(struct crypto_aead *tfm,
 				   unsigned int authsize)
 {
+	switch (authsize) {
+	case 16:
+	case 15:
+	case 14:
+	case 13:
+	case 12:
+	case 8:
+	case 4:
+		break;
+	default:
+		return -EINVAL;
+	}
+
 	return 0;
 }
 
@@ -104,6 +117,7 @@ static int ccp_aes_gcm_crypt(struct aead_request *req, bool encrypt)
 	memset(&rctx->cmd, 0, sizeof(rctx->cmd));
 	INIT_LIST_HEAD(&rctx->cmd.entry);
 	rctx->cmd.engine = CCP_ENGINE_AES;
+	rctx->cmd.u.aes.authsize = crypto_aead_authsize(tfm);
 	rctx->cmd.u.aes.type = ctx->u.aes.type;
 	rctx->cmd.u.aes.mode = ctx->u.aes.mode;
 	rctx->cmd.u.aes.action = encrypt;
diff --git a/drivers/crypto/ccp/ccp-ops.c b/drivers/crypto/ccp/ccp-ops.c
index 1cbdfc08ca00..a13e8a362316 100644
--- a/drivers/crypto/ccp/ccp-ops.c
+++ b/drivers/crypto/ccp/ccp-ops.c
@@ -622,6 +622,7 @@ static int ccp_run_aes_gcm_cmd(struct ccp_cmd_queue *cmd_q,
 
 	unsigned long long *final;
 	unsigned int dm_offset;
+	unsigned int authsize;
 	unsigned int jobid;
 	unsigned int ilen;
 	bool in_place = true; /* Default value */
@@ -643,6 +644,21 @@ static int ccp_run_aes_gcm_cmd(struct ccp_cmd_queue *cmd_q,
 	if (!aes->key) /* Gotta have a key SGL */
 		return -EINVAL;
 
+	/* Zero defaults to 16 bytes, the maximum size */
+	authsize = aes->authsize ? aes->authsize : AES_BLOCK_SIZE;
+	switch (authsize) {
+	case 16:
+	case 15:
+	case 14:
+	case 13:
+	case 12:
+	case 8:
+	case 4:
+		break;
+	default:
+		return -EINVAL;
+	}
+
 	/* First, decompose the source buffer into AAD & PT,
 	 * and the destination buffer into AAD, CT & tag, or
 	 * the input into CT & tag.
@@ -657,7 +673,7 @@ static int ccp_run_aes_gcm_cmd(struct ccp_cmd_queue *cmd_q,
 		p_tag = scatterwalk_ffwd(sg_tag, p_outp, ilen);
 	} else {
 		/* Input length for decryption includes tag */
-		ilen = aes->src_len - AES_BLOCK_SIZE;
+		ilen = aes->src_len - authsize;
 		p_tag = scatterwalk_ffwd(sg_tag, p_inp, ilen);
 	}
 
@@ -766,8 +782,7 @@ static int ccp_run_aes_gcm_cmd(struct ccp_cmd_queue *cmd_q,
 		while (src.sg_wa.bytes_left) {
 			ccp_prepare_data(&src, &dst, &op, AES_BLOCK_SIZE, true);
 			if (!src.sg_wa.bytes_left) {
-				unsigned int nbytes = aes->src_len
-						      % AES_BLOCK_SIZE;
+				unsigned int nbytes = ilen % AES_BLOCK_SIZE;
 
 				if (nbytes) {
 					op.eom = 1;
@@ -839,19 +854,19 @@ static int ccp_run_aes_gcm_cmd(struct ccp_cmd_queue *cmd_q,
 
 	if (aes->action == CCP_AES_ACTION_ENCRYPT) {
 		/* Put the ciphered tag after the ciphertext. */
-		ccp_get_dm_area(&final_wa, 0, p_tag, 0, AES_BLOCK_SIZE);
+		ccp_get_dm_area(&final_wa, 0, p_tag, 0, authsize);
 	} else {
 		/* Does this ciphered tag match the input? */
-		ret = ccp_init_dm_workarea(&tag, cmd_q, AES_BLOCK_SIZE,
+		ret = ccp_init_dm_workarea(&tag, cmd_q, authsize,
 					   DMA_BIDIRECTIONAL);
 		if (ret)
 			goto e_tag;
-		ret = ccp_set_dm_area(&tag, 0, p_tag, 0, AES_BLOCK_SIZE);
+		ret = ccp_set_dm_area(&tag, 0, p_tag, 0, authsize);
 		if (ret)
 			goto e_tag;
 
 		ret = crypto_memneq(tag.address, final_wa.address,
-				    AES_BLOCK_SIZE) ? -EBADMSG : 0;
+				    authsize) ? -EBADMSG : 0;
 		ccp_dm_free(&tag);
 	}
 
@@ -859,11 +874,11 @@ e_tag:
 	ccp_dm_free(&final_wa);
 
 e_dst:
-	if (aes->src_len && !in_place)
+	if (ilen > 0 && !in_place)
 		ccp_free_data(&dst, cmd_q);
 
 e_src:
-	if (aes->src_len)
+	if (ilen > 0)
 		ccp_free_data(&src, cmd_q);
 
 e_aad:
diff --git a/drivers/firmware/Kconfig b/drivers/firmware/Kconfig
index d40ccc3af9e2..fa7ed01415b7 100644
--- a/drivers/firmware/Kconfig
+++ b/drivers/firmware/Kconfig
@@ -157,7 +157,7 @@ config DMI_SCAN_MACHINE_NON_EFI_FALLBACK
 
 config ISCSI_IBFT_FIND
 	bool "iSCSI Boot Firmware Table Attributes"
-	depends on X86 && ACPI
+	depends on X86 && ISCSI_IBFT
 	default n
 	help
 	  This option enables the kernel to find the region of memory
@@ -168,7 +168,8 @@ config ISCSI_IBFT_FIND
 config ISCSI_IBFT
 	tristate "iSCSI Boot Firmware Table Attributes module"
 	select ISCSI_BOOT_SYSFS
-	depends on ISCSI_IBFT_FIND && SCSI && SCSI_LOWLEVEL
+	select ISCSI_IBFT_FIND if X86
+	depends on ACPI && SCSI && SCSI_LOWLEVEL
 	default	n
 	help
 	  This option enables support for detection and exposing of iSCSI
diff --git a/drivers/firmware/iscsi_ibft.c b/drivers/firmware/iscsi_ibft.c
index ab3aa3983833..7e12cbdf957c 100644
--- a/drivers/firmware/iscsi_ibft.c
+++ b/drivers/firmware/iscsi_ibft.c
@@ -84,6 +84,10 @@ MODULE_DESCRIPTION("sysfs interface to BIOS iBFT information");
 MODULE_LICENSE("GPL");
 MODULE_VERSION(IBFT_ISCSI_VERSION);
 
+#ifndef CONFIG_ISCSI_IBFT_FIND
+struct acpi_table_ibft *ibft_addr;
+#endif
+
 struct ibft_hdr {
 	u8 id;
 	u8 version;
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc.c b/drivers/gpu/drm/amd/display/dc/core/dc.c
index ee6b646180b6..0a7adc2925e3 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc.c
@@ -608,8 +608,10 @@ const struct dc_link_settings *dc_link_get_link_cap(
 
 static void destruct(struct dc *dc)
 {
-	dc_release_state(dc->current_state);
-	dc->current_state = NULL;
+	if (dc->current_state) {
+		dc_release_state(dc->current_state);
+		dc->current_state = NULL;
+	}
 
 	destroy_links(dc);
 
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link.c b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
index a3ff33ff6da1..adf39e3b8d29 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link.c
@@ -2284,7 +2284,7 @@ bool dc_link_set_backlight_level(const struct dc_link *link,
 			if (core_dc->current_state->res_ctx.pipe_ctx[i].stream) {
 				if (core_dc->current_state->res_ctx.
 						pipe_ctx[i].stream->link
-						== link)
+						== link) {
 					/* DMCU -1 for all controller id values,
 					 * therefore +1 here
 					 */
@@ -2292,6 +2292,13 @@ bool dc_link_set_backlight_level(const struct dc_link *link,
 						core_dc->current_state->
 						res_ctx.pipe_ctx[i].stream_res.tg->inst +
 						1;
+
+					/* Disable brightness ramping when the display is blanked
+					 * as it can hang the DMCU
+					 */
+					if (core_dc->current_state->res_ctx.pipe_ctx[i].plane_state == NULL)
+						frame_ramp = 0;
+				}
 			}
 		}
 		abm->funcs->set_backlight_level_pwm(
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
index 253311864cdd..966aa3b754c5 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_link_dp.c
@@ -2218,11 +2218,18 @@ static void get_active_converter_info(
 		link->dpcd_caps.dongle_type = DISPLAY_DONGLE_NONE;
 		ddc_service_set_dongle_type(link->ddc,
 				link->dpcd_caps.dongle_type);
+		link->dpcd_caps.is_branch_dev = false;
 		return;
 	}
 
 	/* DPCD 0x5 bit 0 = 1, it indicate it's branch device */
-	link->dpcd_caps.is_branch_dev = ds_port.fields.PORT_PRESENT;
+	if (ds_port.fields.PORT_TYPE == DOWNSTREAM_DP) {
+		link->dpcd_caps.is_branch_dev = false;
+	}
+
+	else {
+		link->dpcd_caps.is_branch_dev = ds_port.fields.PORT_PRESENT;
+	}
 
 	switch (ds_port.fields.PORT_TYPE) {
 	case DOWNSTREAM_VGA:
diff --git a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
index 12142d13f22f..b459ce056b60 100644
--- a/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/core/dc_resource.c
@@ -254,7 +254,7 @@ bool resource_construct(
 		 * PORT_CONNECTIVITY == 1 (as instructed by HW team).
 		 */
 		update_num_audio(&straps, &num_audio, &pool->audio_support);
-		for (i = 0; i < pool->pipe_count && i < num_audio; i++) {
+		for (i = 0; i < caps->num_audio; i++) {
 			struct audio *aud = create_funcs->create_audio(ctx, i);
 
 			if (aud == NULL) {
@@ -1702,6 +1702,12 @@ static struct audio *find_first_free_audio(
 			return pool->audios[i];
 		}
 	}
+
+    /* use engine id to find free audio */
+	if ((id < pool->audio_count) && (res_ctx->is_audio_acquired[id] == false)) {
+		return pool->audios[id];
+	}
+
 	/*not found the matching one, first come first serve*/
 	for (i = 0; i < pool->audio_count; i++) {
 		if (res_ctx->is_audio_acquired[i] == false) {
@@ -1866,6 +1872,7 @@ static int get_norm_pix_clk(const struct dc_crtc_timing *timing)
 		pix_clk /= 2;
 	if (timing->pixel_encoding != PIXEL_ENCODING_YCBCR422) {
 		switch (timing->display_color_depth) {
+		case COLOR_DEPTH_666:
 		case COLOR_DEPTH_888:
 			normalized_pix_clk = pix_clk;
 			break;
@@ -2012,7 +2019,7 @@ enum dc_status resource_map_pool_resources(
 	/* TODO: Add check if ASIC support and EDID audio */
 	if (!stream->converter_disable_audio &&
 	    dc_is_audio_capable_signal(pipe_ctx->stream->signal) &&
-	    stream->audio_info.mode_count) {
+	    stream->audio_info.mode_count && stream->audio_info.flags.all) {
 		pipe_ctx->stream_res.audio = find_first_free_audio(
 		&context->res_ctx, pool, pipe_ctx->stream_res.stream_enc->id);
 
diff --git a/drivers/gpu/drm/amd/display/dc/dce/dce_abm.c b/drivers/gpu/drm/amd/display/dc/dce/dce_abm.c
index 2959c3c9390b..da30ae04e82b 100644
--- a/drivers/gpu/drm/amd/display/dc/dce/dce_abm.c
+++ b/drivers/gpu/drm/amd/display/dc/dce/dce_abm.c
@@ -234,6 +234,10 @@ static void dmcu_set_backlight_level(
 	s2 |= (backlight_8_bit << ATOM_S2_CURRENT_BL_LEVEL_SHIFT);
 
 	REG_WRITE(BIOS_SCRATCH_2, s2);
+
+	/* waitDMCUReadyForCmd */
+	REG_WAIT(MASTER_COMM_CNTL_REG, MASTER_COMM_INTERRUPT,
+			0, 1, 80000);
 }
 
 static void dce_abm_init(struct abm *abm)
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
index 9e4d70a0055e..5cc5dabf4d65 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_hw_sequencer.c
@@ -1120,16 +1120,7 @@ static void dcn10_init_hw(struct dc *dc)
 	 * everything down.
 	 */
 	if (dcb->funcs->is_accelerated_mode(dcb) || dc->config.power_down_display_on_boot) {
-		for (i = 0; i < dc->res_pool->pipe_count; i++) {
-			struct hubp *hubp = dc->res_pool->hubps[i];
-			struct dpp *dpp = dc->res_pool->dpps[i];
-
-			hubp->funcs->hubp_init(hubp);
-			dc->res_pool->opps[i]->mpc_tree_params.opp_id = dc->res_pool->opps[i]->inst;
-			plane_atomic_power_down(dc, dpp, hubp);
-		}
-
-		apply_DEGVIDCN10_253_wa(dc);
+		dc->hwss.init_pipes(dc, dc->current_state);
 	}
 
 	for (i = 0; i < dc->res_pool->audio_count; i++) {
@@ -1298,10 +1289,6 @@ static bool dcn10_set_input_transfer_func(struct pipe_ctx *pipe_ctx,
 	return result;
 }
 
-
-
-
-
 static bool
 dcn10_set_output_transfer_func(struct pipe_ctx *pipe_ctx,
 			       const struct dc_stream_state *stream)
@@ -2416,6 +2403,12 @@ static void dcn10_apply_ctx_for_surface(
 		if (removed_pipe[i])
 			dcn10_disable_plane(dc, &dc->current_state->res_ctx.pipe_ctx[i]);
 
+	for (i = 0; i < dc->res_pool->pipe_count; i++)
+		if (removed_pipe[i]) {
+			dc->hwss.optimize_bandwidth(dc, context);
+			break;
+		}
+
 	if (dc->hwseq->wa.DEGVIDCN10_254)
 		hubbub1_wm_change_req_wa(dc->res_pool->hubbub);
 }
diff --git a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c
index 7eccb54c421d..aac52eed6b2a 100644
--- a/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c
+++ b/drivers/gpu/drm/amd/display/dc/dcn10/dcn10_resource.c
@@ -512,7 +512,7 @@ static const struct resource_caps rv2_res_cap = {
 		.num_audio = 3,
 		.num_stream_encoder = 3,
 		.num_pll = 3,
-		.num_ddc = 3,
+		.num_ddc = 4,
 };
 #endif
 
diff --git a/drivers/gpu/drm/amd/display/dc/inc/core_types.h b/drivers/gpu/drm/amd/display/dc/inc/core_types.h
index 6f5ab05d6467..6f0cc718fbd7 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/core_types.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/core_types.h
@@ -169,7 +169,7 @@ struct resource_pool {
 	struct clock_source *clock_sources[MAX_CLOCK_SOURCES];
 	unsigned int clk_src_count;
 
-	struct audio *audios[MAX_PIPES];
+	struct audio *audios[MAX_AUDIOS];
 	unsigned int audio_count;
 	struct audio_support audio_support;
 
diff --git a/drivers/gpu/drm/amd/display/dc/inc/hw/hw_shared.h b/drivers/gpu/drm/amd/display/dc/inc/hw/hw_shared.h
index 4c8e2c6fb6db..72266efd826c 100644
--- a/drivers/gpu/drm/amd/display/dc/inc/hw/hw_shared.h
+++ b/drivers/gpu/drm/amd/display/dc/inc/hw/hw_shared.h
@@ -34,6 +34,7 @@
  * Data types shared between different Virtual HW blocks
  ******************************************************************************/
 
+#define MAX_AUDIOS 7
 #define MAX_PIPES 6
 
 struct gamma_curve {
diff --git a/drivers/gpu/drm/drm_framebuffer.c b/drivers/gpu/drm/drm_framebuffer.c
index d8d75e25f6fb..45f6f11a88a7 100644
--- a/drivers/gpu/drm/drm_framebuffer.c
+++ b/drivers/gpu/drm/drm_framebuffer.c
@@ -830,7 +830,7 @@ static int atomic_remove_fb(struct drm_framebuffer *fb)
 	struct drm_device *dev = fb->dev;
 	struct drm_atomic_state *state;
 	struct drm_plane *plane;
-	struct drm_connector *conn;
+	struct drm_connector *conn __maybe_unused;
 	struct drm_connector_state *conn_state;
 	int i, ret;
 	unsigned plane_mask;
diff --git a/drivers/gpu/drm/i915/vlv_dsi_pll.c b/drivers/gpu/drm/i915/vlv_dsi_pll.c
index 5e7b1fb2db5d..8ea1c927dbad 100644
--- a/drivers/gpu/drm/i915/vlv_dsi_pll.c
+++ b/drivers/gpu/drm/i915/vlv_dsi_pll.c
@@ -394,8 +394,8 @@ static void glk_dsi_program_esc_clock(struct drm_device *dev,
 	else
 		txesc2_div = 10;
 
-	I915_WRITE(MIPIO_TXESC_CLK_DIV1, txesc1_div & GLK_TX_ESC_CLK_DIV1_MASK);
-	I915_WRITE(MIPIO_TXESC_CLK_DIV2, txesc2_div & GLK_TX_ESC_CLK_DIV2_MASK);
+	I915_WRITE(MIPIO_TXESC_CLK_DIV1, (1 << (txesc1_div - 1)) & GLK_TX_ESC_CLK_DIV1_MASK);
+	I915_WRITE(MIPIO_TXESC_CLK_DIV2, (1 << (txesc2_div - 1)) & GLK_TX_ESC_CLK_DIV2_MASK);
 }
 
 /* Program BXT Mipi clocks and dividers */
diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
index 0ea150196659..c62f7abcf509 100644
--- a/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
+++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_encoder.c
@@ -2226,8 +2226,6 @@ int dpu_encoder_setup(struct drm_device *dev, struct drm_encoder *enc,
 	if (ret)
 		goto fail;
 
-	spin_lock_init(&dpu_enc->enc_spinlock);
-
 	atomic_set(&dpu_enc->frame_done_timeout_ms, 0);
 	timer_setup(&dpu_enc->frame_done_timer,
 			dpu_encoder_frame_done_timeout, 0);
@@ -2281,6 +2279,7 @@ struct drm_encoder *dpu_encoder_init(struct drm_device *dev,
 
 	drm_encoder_helper_add(&dpu_enc->base, &dpu_encoder_helper_funcs);
 
+	spin_lock_init(&dpu_enc->enc_spinlock);
 	dpu_enc->enabled = false;
 
 	return &dpu_enc->base;
diff --git a/drivers/hid/hid-sony.c b/drivers/hid/hid-sony.c
index 93942063b51b..49dd2d905c7f 100644
--- a/drivers/hid/hid-sony.c
+++ b/drivers/hid/hid-sony.c
@@ -585,10 +585,14 @@ static void sony_set_leds(struct sony_sc *sc);
 static inline void sony_schedule_work(struct sony_sc *sc,
 				      enum sony_worker which)
 {
+	unsigned long flags;
+
 	switch (which) {
 	case SONY_WORKER_STATE:
-		if (!sc->defer_initialization)
+		spin_lock_irqsave(&sc->lock, flags);
+		if (!sc->defer_initialization && sc->state_worker_initialized)
 			schedule_work(&sc->state_worker);
+		spin_unlock_irqrestore(&sc->lock, flags);
 		break;
 	case SONY_WORKER_HOTPLUG:
 		if (sc->hotplug_worker_initialized)
@@ -2558,13 +2562,18 @@ static inline void sony_init_output_report(struct sony_sc *sc,
 
 static inline void sony_cancel_work_sync(struct sony_sc *sc)
 {
+	unsigned long flags;
+
 	if (sc->hotplug_worker_initialized)
 		cancel_work_sync(&sc->hotplug_worker);
-	if (sc->state_worker_initialized)
+	if (sc->state_worker_initialized) {
+		spin_lock_irqsave(&sc->lock, flags);
+		sc->state_worker_initialized = 0;
+		spin_unlock_irqrestore(&sc->lock, flags);
 		cancel_work_sync(&sc->state_worker);
+	}
 }
 
-
 static int sony_input_configured(struct hid_device *hdev,
 					struct hid_input *hidinput)
 {
diff --git a/drivers/hwmon/lm75.c b/drivers/hwmon/lm75.c
index 3fb9c0a2d6d0..ce5ec403ec73 100644
--- a/drivers/hwmon/lm75.c
+++ b/drivers/hwmon/lm75.c
@@ -343,7 +343,7 @@ lm75_probe(struct i2c_client *client, const struct i2c_device_id *id)
 		data->sample_time = MSEC_PER_SEC / 2;
 		break;
 	case tmp75b:  /* not one-shot mode, Conversion rate 37Hz */
-		clr_mask |= 1 << 15 | 0x3 << 13;
+		clr_mask |= 1 << 7 | 0x3 << 5;
 		data->resolution = 12;
 		data->sample_time = MSEC_PER_SEC / 37;
 		break;
diff --git a/drivers/hwmon/nct6775.c b/drivers/hwmon/nct6775.c
index e7dff5febe16..d42bc0883a32 100644
--- a/drivers/hwmon/nct6775.c
+++ b/drivers/hwmon/nct6775.c
@@ -852,7 +852,7 @@ static const u16 NCT6106_REG_TARGET[] = { 0x111, 0x121, 0x131 };
 static const u16 NCT6106_REG_WEIGHT_TEMP_SEL[] = { 0x168, 0x178, 0x188 };
 static const u16 NCT6106_REG_WEIGHT_TEMP_STEP[] = { 0x169, 0x179, 0x189 };
 static const u16 NCT6106_REG_WEIGHT_TEMP_STEP_TOL[] = { 0x16a, 0x17a, 0x18a };
-static const u16 NCT6106_REG_WEIGHT_DUTY_STEP[] = { 0x16b, 0x17b, 0x17c };
+static const u16 NCT6106_REG_WEIGHT_DUTY_STEP[] = { 0x16b, 0x17b, 0x18b };
 static const u16 NCT6106_REG_WEIGHT_TEMP_BASE[] = { 0x16c, 0x17c, 0x18c };
 static const u16 NCT6106_REG_WEIGHT_DUTY_BASE[] = { 0x16d, 0x17d, 0x18d };
 
@@ -3764,6 +3764,7 @@ static int nct6775_probe(struct platform_device *pdev)
 		data->REG_FAN_TIME[0] = NCT6106_REG_FAN_STOP_TIME;
 		data->REG_FAN_TIME[1] = NCT6106_REG_FAN_STEP_UP_TIME;
 		data->REG_FAN_TIME[2] = NCT6106_REG_FAN_STEP_DOWN_TIME;
+		data->REG_TOLERANCE_H = NCT6106_REG_TOLERANCE_H;
 		data->REG_PWM[0] = NCT6106_REG_PWM;
 		data->REG_PWM[1] = NCT6106_REG_FAN_START_OUTPUT;
 		data->REG_PWM[2] = NCT6106_REG_FAN_STOP_OUTPUT;
diff --git a/drivers/hwmon/nct7802.c b/drivers/hwmon/nct7802.c
index ec7bcf8d7cd6..f3dd2a17bd42 100644
--- a/drivers/hwmon/nct7802.c
+++ b/drivers/hwmon/nct7802.c
@@ -704,7 +704,7 @@ static struct attribute *nct7802_in_attrs[] = {
 	&sensor_dev_attr_in3_alarm.dev_attr.attr,
 	&sensor_dev_attr_in3_beep.dev_attr.attr,
 
-	&sensor_dev_attr_in4_input.dev_attr.attr,	/* 17 */
+	&sensor_dev_attr_in4_input.dev_attr.attr,	/* 16 */
 	&sensor_dev_attr_in4_min.dev_attr.attr,
 	&sensor_dev_attr_in4_max.dev_attr.attr,
 	&sensor_dev_attr_in4_alarm.dev_attr.attr,
@@ -730,9 +730,9 @@ static umode_t nct7802_in_is_visible(struct kobject *kobj,
 
 	if (index >= 6 && index < 11 && (reg & 0x03) != 0x03)	/* VSEN1 */
 		return 0;
-	if (index >= 11 && index < 17 && (reg & 0x0c) != 0x0c)	/* VSEN2 */
+	if (index >= 11 && index < 16 && (reg & 0x0c) != 0x0c)	/* VSEN2 */
 		return 0;
-	if (index >= 17 && (reg & 0x30) != 0x30)		/* VSEN3 */
+	if (index >= 16 && (reg & 0x30) != 0x30)		/* VSEN3 */
 		return 0;
 
 	return attr->mode;
diff --git a/drivers/hwmon/occ/common.c b/drivers/hwmon/occ/common.c
index 13a6290c8d25..f02aa403332c 100644
--- a/drivers/hwmon/occ/common.c
+++ b/drivers/hwmon/occ/common.c
@@ -402,8 +402,10 @@ static ssize_t occ_show_power_1(struct device *dev,
 
 static u64 occ_get_powr_avg(u64 *accum, u32 *samples)
 {
-	return div64_u64(get_unaligned_be64(accum) * 1000000ULL,
-			 get_unaligned_be32(samples));
+	u64 divisor = get_unaligned_be32(samples);
+
+	return (divisor == 0) ? 0 :
+		div64_u64(get_unaligned_be64(accum) * 1000000ULL, divisor);
 }
 
 static ssize_t occ_show_power_2(struct device *dev,
diff --git a/drivers/hwtracing/coresight/coresight-etm-perf.c b/drivers/hwtracing/coresight/coresight-etm-perf.c
index 3c6294432748..1ef098ff27c3 100644
--- a/drivers/hwtracing/coresight/coresight-etm-perf.c
+++ b/drivers/hwtracing/coresight/coresight-etm-perf.c
@@ -544,6 +544,7 @@ int etm_perf_add_symlink_sink(struct coresight_device *csdev)
 	/* See function coresight_get_sink_by_id() to know where this is used */
 	hash = hashlen_hash(hashlen_string(NULL, name));
 
+	sysfs_attr_init(&ea->attr.attr);
 	ea->attr.attr.name = devm_kstrdup(pdev, name, GFP_KERNEL);
 	if (!ea->attr.attr.name)
 		return -ENOMEM;
diff --git a/drivers/iio/accel/cros_ec_accel_legacy.c b/drivers/iio/accel/cros_ec_accel_legacy.c
index 46bb2e421bb9..ad19d9c716f4 100644
--- a/drivers/iio/accel/cros_ec_accel_legacy.c
+++ b/drivers/iio/accel/cros_ec_accel_legacy.c
@@ -319,7 +319,6 @@ static const struct iio_chan_spec_ext_info cros_ec_accel_legacy_ext_info[] = {
 		.modified = 1,					        \
 		.info_mask_separate =					\
 			BIT(IIO_CHAN_INFO_RAW) |			\
-			BIT(IIO_CHAN_INFO_SCALE) |			\
 			BIT(IIO_CHAN_INFO_CALIBBIAS),			\
 		.info_mask_shared_by_all = BIT(IIO_CHAN_INFO_SCALE),	\
 		.ext_info = cros_ec_accel_legacy_ext_info,		\
diff --git a/drivers/iio/adc/ingenic-adc.c b/drivers/iio/adc/ingenic-adc.c
index 92b1d5037ac9..e234970b7150 100644
--- a/drivers/iio/adc/ingenic-adc.c
+++ b/drivers/iio/adc/ingenic-adc.c
@@ -11,6 +11,7 @@
 #include <linux/iio/iio.h>
 #include <linux/io.h>
 #include <linux/iopoll.h>
+#include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/mutex.h>
 #include <linux/platform_device.h>
@@ -22,8 +23,11 @@
 #define JZ_ADC_REG_ADTCH		0x18
 #define JZ_ADC_REG_ADBDAT		0x1c
 #define JZ_ADC_REG_ADSDAT		0x20
+#define JZ_ADC_REG_ADCLK		0x28
 
 #define JZ_ADC_REG_CFG_BAT_MD		BIT(4)
+#define JZ_ADC_REG_ADCLK_CLKDIV_LSB	0
+#define JZ_ADC_REG_ADCLK_CLKDIV10US_LSB	16
 
 #define JZ_ADC_AUX_VREF				3300
 #define JZ_ADC_AUX_VREF_BITS			12
@@ -34,6 +38,8 @@
 #define JZ4740_ADC_BATTERY_HIGH_VREF		(7500 * 0.986)
 #define JZ4740_ADC_BATTERY_HIGH_VREF_BITS	12
 
+struct ingenic_adc;
+
 struct ingenic_adc_soc_data {
 	unsigned int battery_high_vref;
 	unsigned int battery_high_vref_bits;
@@ -41,6 +47,7 @@ struct ingenic_adc_soc_data {
 	size_t battery_raw_avail_size;
 	const int *battery_scale_avail;
 	size_t battery_scale_avail_size;
+	int (*init_clk_div)(struct device *dev, struct ingenic_adc *adc);
 };
 
 struct ingenic_adc {
@@ -151,6 +158,42 @@ static const int jz4740_adc_battery_scale_avail[] = {
 	JZ_ADC_BATTERY_LOW_VREF, JZ_ADC_BATTERY_LOW_VREF_BITS,
 };
 
+static int jz4725b_adc_init_clk_div(struct device *dev, struct ingenic_adc *adc)
+{
+	struct clk *parent_clk;
+	unsigned long parent_rate, rate;
+	unsigned int div_main, div_10us;
+
+	parent_clk = clk_get_parent(adc->clk);
+	if (!parent_clk) {
+		dev_err(dev, "ADC clock has no parent\n");
+		return -ENODEV;
+	}
+	parent_rate = clk_get_rate(parent_clk);
+
+	/*
+	 * The JZ4725B ADC works at 500 kHz to 8 MHz.
+	 * We pick the highest rate possible.
+	 * In practice we typically get 6 MHz, half of the 12 MHz EXT clock.
+	 */
+	div_main = DIV_ROUND_UP(parent_rate, 8000000);
+	div_main = clamp(div_main, 1u, 64u);
+	rate = parent_rate / div_main;
+	if (rate < 500000 || rate > 8000000) {
+		dev_err(dev, "No valid divider for ADC main clock\n");
+		return -EINVAL;
+	}
+
+	/* We also need a divider that produces a 10us clock. */
+	div_10us = DIV_ROUND_UP(rate, 100000);
+
+	writel(((div_10us - 1) << JZ_ADC_REG_ADCLK_CLKDIV10US_LSB) |
+	       (div_main - 1) << JZ_ADC_REG_ADCLK_CLKDIV_LSB,
+	       adc->base + JZ_ADC_REG_ADCLK);
+
+	return 0;
+}
+
 static const struct ingenic_adc_soc_data jz4725b_adc_soc_data = {
 	.battery_high_vref = JZ4725B_ADC_BATTERY_HIGH_VREF,
 	.battery_high_vref_bits = JZ4725B_ADC_BATTERY_HIGH_VREF_BITS,
@@ -158,6 +201,7 @@ static const struct ingenic_adc_soc_data jz4725b_adc_soc_data = {
 	.battery_raw_avail_size = ARRAY_SIZE(jz4725b_adc_battery_raw_avail),
 	.battery_scale_avail = jz4725b_adc_battery_scale_avail,
 	.battery_scale_avail_size = ARRAY_SIZE(jz4725b_adc_battery_scale_avail),
+	.init_clk_div = jz4725b_adc_init_clk_div,
 };
 
 static const struct ingenic_adc_soc_data jz4740_adc_soc_data = {
@@ -167,6 +211,7 @@ static const struct ingenic_adc_soc_data jz4740_adc_soc_data = {
 	.battery_raw_avail_size = ARRAY_SIZE(jz4740_adc_battery_raw_avail),
 	.battery_scale_avail = jz4740_adc_battery_scale_avail,
 	.battery_scale_avail_size = ARRAY_SIZE(jz4740_adc_battery_scale_avail),
+	.init_clk_div = NULL, /* no ADCLK register on JZ4740 */
 };
 
 static int ingenic_adc_read_avail(struct iio_dev *iio_dev,
@@ -317,6 +362,15 @@ static int ingenic_adc_probe(struct platform_device *pdev)
 		return ret;
 	}
 
+	/* Set clock dividers. */
+	if (soc_data->init_clk_div) {
+		ret = soc_data->init_clk_div(dev, adc);
+		if (ret) {
+			clk_disable_unprepare(adc->clk);
+			return ret;
+		}
+	}
+
 	/* Put hardware in a known passive state. */
 	writeb(0x00, adc->base + JZ_ADC_REG_ENABLE);
 	writeb(0xff, adc->base + JZ_ADC_REG_CTRL);
diff --git a/drivers/iio/adc/max9611.c b/drivers/iio/adc/max9611.c
index 917223d5ff5b..0e3c6529fc4c 100644
--- a/drivers/iio/adc/max9611.c
+++ b/drivers/iio/adc/max9611.c
@@ -83,7 +83,7 @@
 #define MAX9611_TEMP_MAX_POS		0x7f80
 #define MAX9611_TEMP_MAX_NEG		0xff80
 #define MAX9611_TEMP_MIN_NEG		0xd980
-#define MAX9611_TEMP_MASK		GENMASK(7, 15)
+#define MAX9611_TEMP_MASK		GENMASK(15, 7)
 #define MAX9611_TEMP_SHIFT		0x07
 #define MAX9611_TEMP_RAW(_r)		((_r) >> MAX9611_TEMP_SHIFT)
 #define MAX9611_TEMP_SCALE_NUM		1000000
diff --git a/drivers/iio/adc/rcar-gyroadc.c b/drivers/iio/adc/rcar-gyroadc.c
index 2c0d0316d149..b373acce5927 100644
--- a/drivers/iio/adc/rcar-gyroadc.c
+++ b/drivers/iio/adc/rcar-gyroadc.c
@@ -382,7 +382,7 @@ static int rcar_gyroadc_parse_subdevs(struct iio_dev *indio_dev)
 				dev_err(dev,
 					"Only %i channels supported with %pOFn, but reg = <%i>.\n",
 					num_channels, child, reg);
-				return ret;
+				return -EINVAL;
 			}
 		}
 
@@ -391,7 +391,7 @@ static int rcar_gyroadc_parse_subdevs(struct iio_dev *indio_dev)
 			dev_err(dev,
 				"Channel %i uses different ADC mode than the rest.\n",
 				reg);
-			return ret;
+			return -EINVAL;
 		}
 
 		/* Channel is valid, grab the regulator. */
diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c
index 53a59957cc54..8a704cd5bddb 100644
--- a/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c
+++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_core.c
@@ -845,6 +845,25 @@ static const struct iio_chan_spec inv_mpu_channels[] = {
 	INV_MPU6050_CHAN(IIO_ACCEL, IIO_MOD_Z, INV_MPU6050_SCAN_ACCL_Z),
 };
 
+static const unsigned long inv_mpu_scan_masks[] = {
+	/* 3-axis accel */
+	BIT(INV_MPU6050_SCAN_ACCL_X)
+		| BIT(INV_MPU6050_SCAN_ACCL_Y)
+		| BIT(INV_MPU6050_SCAN_ACCL_Z),
+	/* 3-axis gyro */
+	BIT(INV_MPU6050_SCAN_GYRO_X)
+		| BIT(INV_MPU6050_SCAN_GYRO_Y)
+		| BIT(INV_MPU6050_SCAN_GYRO_Z),
+	/* 6-axis accel + gyro */
+	BIT(INV_MPU6050_SCAN_ACCL_X)
+		| BIT(INV_MPU6050_SCAN_ACCL_Y)
+		| BIT(INV_MPU6050_SCAN_ACCL_Z)
+		| BIT(INV_MPU6050_SCAN_GYRO_X)
+		| BIT(INV_MPU6050_SCAN_GYRO_Y)
+		| BIT(INV_MPU6050_SCAN_GYRO_Z),
+	0,
+};
+
 static const struct iio_chan_spec inv_icm20602_channels[] = {
 	IIO_CHAN_SOFT_TIMESTAMP(INV_ICM20602_SCAN_TIMESTAMP),
 	{
@@ -871,6 +890,28 @@ static const struct iio_chan_spec inv_icm20602_channels[] = {
 	INV_MPU6050_CHAN(IIO_ACCEL, IIO_MOD_Z, INV_ICM20602_SCAN_ACCL_Z),
 };
 
+static const unsigned long inv_icm20602_scan_masks[] = {
+	/* 3-axis accel + temp (mandatory) */
+	BIT(INV_ICM20602_SCAN_ACCL_X)
+		| BIT(INV_ICM20602_SCAN_ACCL_Y)
+		| BIT(INV_ICM20602_SCAN_ACCL_Z)
+		| BIT(INV_ICM20602_SCAN_TEMP),
+	/* 3-axis gyro + temp (mandatory) */
+	BIT(INV_ICM20602_SCAN_GYRO_X)
+		| BIT(INV_ICM20602_SCAN_GYRO_Y)
+		| BIT(INV_ICM20602_SCAN_GYRO_Z)
+		| BIT(INV_ICM20602_SCAN_TEMP),
+	/* 6-axis accel + gyro + temp (mandatory) */
+	BIT(INV_ICM20602_SCAN_ACCL_X)
+		| BIT(INV_ICM20602_SCAN_ACCL_Y)
+		| BIT(INV_ICM20602_SCAN_ACCL_Z)
+		| BIT(INV_ICM20602_SCAN_GYRO_X)
+		| BIT(INV_ICM20602_SCAN_GYRO_Y)
+		| BIT(INV_ICM20602_SCAN_GYRO_Z)
+		| BIT(INV_ICM20602_SCAN_TEMP),
+	0,
+};
+
 /*
  * The user can choose any frequency between INV_MPU6050_MIN_FIFO_RATE and
  * INV_MPU6050_MAX_FIFO_RATE, but only these frequencies are matched by the
@@ -1130,9 +1171,11 @@ int inv_mpu_core_probe(struct regmap *regmap, int irq, const char *name,
 	if (chip_type == INV_ICM20602) {
 		indio_dev->channels = inv_icm20602_channels;
 		indio_dev->num_channels = ARRAY_SIZE(inv_icm20602_channels);
+		indio_dev->available_scan_masks = inv_icm20602_scan_masks;
 	} else {
 		indio_dev->channels = inv_mpu_channels;
 		indio_dev->num_channels = ARRAY_SIZE(inv_mpu_channels);
+		indio_dev->available_scan_masks = inv_mpu_scan_masks;
 	}
 
 	indio_dev->info = &mpu_info;
diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c
index a4345052abd2..a47c7add4e0e 100644
--- a/drivers/input/mouse/elantech.c
+++ b/drivers/input/mouse/elantech.c
@@ -1807,6 +1807,30 @@ static int elantech_create_smbus(struct psmouse *psmouse,
 				  leave_breadcrumbs);
 }
 
+static bool elantech_use_host_notify(struct psmouse *psmouse,
+				     struct elantech_device_info *info)
+{
+	if (ETP_NEW_IC_SMBUS_HOST_NOTIFY(info->fw_version))
+		return true;
+
+	switch (info->bus) {
+	case ETP_BUS_PS2_ONLY:
+		/* expected case */
+		break;
+	case ETP_BUS_SMB_HST_NTFY_ONLY:
+	case ETP_BUS_PS2_SMB_HST_NTFY:
+		/* SMbus implementation is stable since 2018 */
+		if (dmi_get_bios_year() >= 2018)
+			return true;
+	default:
+		psmouse_dbg(psmouse,
+			    "Ignoring SMBus bus provider %d\n", info->bus);
+		break;
+	}
+
+	return false;
+}
+
 /**
  * elantech_setup_smbus - called once the PS/2 devices are enumerated
  * and decides to instantiate a SMBus InterTouch device.
@@ -1826,7 +1850,7 @@ static int elantech_setup_smbus(struct psmouse *psmouse,
 		 * i2c_blacklist_pnp_ids.
 		 * Old ICs are up to the user to decide.
 		 */
-		if (!ETP_NEW_IC_SMBUS_HOST_NOTIFY(info->fw_version) ||
+		if (!elantech_use_host_notify(psmouse, info) ||
 		    psmouse_matches_pnp_id(psmouse, i2c_blacklist_pnp_ids))
 			return -ENXIO;
 	}
@@ -1846,34 +1870,6 @@ static int elantech_setup_smbus(struct psmouse *psmouse,
 	return 0;
 }
 
-static bool elantech_use_host_notify(struct psmouse *psmouse,
-				     struct elantech_device_info *info)
-{
-	if (ETP_NEW_IC_SMBUS_HOST_NOTIFY(info->fw_version))
-		return true;
-
-	switch (info->bus) {
-	case ETP_BUS_PS2_ONLY:
-		/* expected case */
-		break;
-	case ETP_BUS_SMB_ALERT_ONLY:
-		/* fall-through  */
-	case ETP_BUS_PS2_SMB_ALERT:
-		psmouse_dbg(psmouse, "Ignoring SMBus provider through alert protocol.\n");
-		break;
-	case ETP_BUS_SMB_HST_NTFY_ONLY:
-		/* fall-through  */
-	case ETP_BUS_PS2_SMB_HST_NTFY:
-		return true;
-	default:
-		psmouse_dbg(psmouse,
-			    "Ignoring SMBus bus provider %d.\n",
-			    info->bus);
-	}
-
-	return false;
-}
-
 int elantech_init_smbus(struct psmouse *psmouse)
 {
 	struct elantech_device_info info;
diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
index 7f8f4780b511..c0e188cd3811 100644
--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -182,6 +182,7 @@ static const char * const smbus_pnp_ids[] = {
 	"LEN2055", /* E580 */
 	"SYN3052", /* HP EliteBook 840 G4 */
 	"SYN3221", /* HP 15-ay000 */
+	"SYN323d", /* HP Spectre X360 13-w013dx */
 	NULL
 };
 
diff --git a/drivers/input/touchscreen/usbtouchscreen.c b/drivers/input/touchscreen/usbtouchscreen.c
index a2cec6cacf57..16d70201de4a 100644
--- a/drivers/input/touchscreen/usbtouchscreen.c
+++ b/drivers/input/touchscreen/usbtouchscreen.c
@@ -1659,6 +1659,8 @@ static int usbtouch_probe(struct usb_interface *intf,
 	if (!usbtouch || !input_dev)
 		goto out_free;
 
+	mutex_init(&usbtouch->pm_mutex);
+
 	type = &usbtouch_dev_info[id->driver_info];
 	usbtouch->type = type;
 	if (!type->process_pkt)
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index 2101601adf57..1ad24367373f 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -1900,7 +1900,6 @@ static int domain_init(struct dmar_domain *domain, struct intel_iommu *iommu,
 
 static void domain_exit(struct dmar_domain *domain)
 {
-	struct page *freelist;
 
 	/* Remove associated devices and clear attached or cached domains */
 	rcu_read_lock();
@@ -1910,9 +1909,12 @@ static void domain_exit(struct dmar_domain *domain)
 	/* destroy iovas */
 	put_iova_domain(&domain->iovad);
 
-	freelist = domain_unmap(domain, 0, DOMAIN_MAX_PFN(domain->gaw));
+	if (domain->pgd) {
+		struct page *freelist;
 
-	dma_free_pagelist(freelist);
+		freelist = domain_unmap(domain, 0, DOMAIN_MAX_PFN(domain->gaw));
+		dma_free_pagelist(freelist);
+	}
 
 	free_domain_mem(domain);
 }
diff --git a/drivers/mmc/host/cavium.c b/drivers/mmc/host/cavium.c
index ed5cefb83768..89deb451e0ac 100644
--- a/drivers/mmc/host/cavium.c
+++ b/drivers/mmc/host/cavium.c
@@ -374,6 +374,7 @@ static int finish_dma_single(struct cvm_mmc_host *host, struct mmc_data *data)
 {
 	data->bytes_xfered = data->blocks * data->blksz;
 	data->error = 0;
+	dma_unmap_sg(host->dev, data->sg, data->sg_len, get_dma_dir(data));
 	return 1;
 }
 
@@ -1046,7 +1047,8 @@ int cvm_mmc_of_slot_probe(struct device *dev, struct cvm_mmc_host *host)
 		mmc->max_segs = 1;
 
 	/* DMA size field can address up to 8 MB */
-	mmc->max_seg_size = 8 * 1024 * 1024;
+	mmc->max_seg_size = min_t(unsigned int, 8 * 1024 * 1024,
+				  dma_get_max_seg_size(host->dev));
 	mmc->max_req_size = mmc->max_seg_size;
 	/* External DMA is in 512 byte blocks */
 	mmc->max_blk_size = 512;
diff --git a/drivers/net/can/flexcan.c b/drivers/net/can/flexcan.c
index f2fe344593d5..fcec8bcb53d6 100644
--- a/drivers/net/can/flexcan.c
+++ b/drivers/net/can/flexcan.c
@@ -400,9 +400,10 @@ static void flexcan_enable_wakeup_irq(struct flexcan_priv *priv, bool enable)
 	priv->write(reg_mcr, &regs->mcr);
 }
 
-static inline void flexcan_enter_stop_mode(struct flexcan_priv *priv)
+static inline int flexcan_enter_stop_mode(struct flexcan_priv *priv)
 {
 	struct flexcan_regs __iomem *regs = priv->regs;
+	unsigned int ackval;
 	u32 reg_mcr;
 
 	reg_mcr = priv->read(&regs->mcr);
@@ -412,20 +413,37 @@ static inline void flexcan_enter_stop_mode(struct flexcan_priv *priv)
 	/* enable stop request */
 	regmap_update_bits(priv->stm.gpr, priv->stm.req_gpr,
 			   1 << priv->stm.req_bit, 1 << priv->stm.req_bit);
+
+	/* get stop acknowledgment */
+	if (regmap_read_poll_timeout(priv->stm.gpr, priv->stm.ack_gpr,
+				     ackval, ackval & (1 << priv->stm.ack_bit),
+				     0, FLEXCAN_TIMEOUT_US))
+		return -ETIMEDOUT;
+
+	return 0;
 }
 
-static inline void flexcan_exit_stop_mode(struct flexcan_priv *priv)
+static inline int flexcan_exit_stop_mode(struct flexcan_priv *priv)
 {
 	struct flexcan_regs __iomem *regs = priv->regs;
+	unsigned int ackval;
 	u32 reg_mcr;
 
 	/* remove stop request */
 	regmap_update_bits(priv->stm.gpr, priv->stm.req_gpr,
 			   1 << priv->stm.req_bit, 0);
 
+	/* get stop acknowledgment */
+	if (regmap_read_poll_timeout(priv->stm.gpr, priv->stm.ack_gpr,
+				     ackval, !(ackval & (1 << priv->stm.ack_bit)),
+				     0, FLEXCAN_TIMEOUT_US))
+		return -ETIMEDOUT;
+
 	reg_mcr = priv->read(&regs->mcr);
 	reg_mcr &= ~FLEXCAN_MCR_SLF_WAK;
 	priv->write(reg_mcr, &regs->mcr);
+
+	return 0;
 }
 
 static inline void flexcan_error_irq_enable(const struct flexcan_priv *priv)
@@ -1437,10 +1455,10 @@ static int flexcan_setup_stop_mode(struct platform_device *pdev)
 
 	priv = netdev_priv(dev);
 	priv->stm.gpr = syscon_node_to_regmap(gpr_np);
-	of_node_put(gpr_np);
 	if (IS_ERR(priv->stm.gpr)) {
 		dev_dbg(&pdev->dev, "could not find gpr regmap\n");
-		return PTR_ERR(priv->stm.gpr);
+		ret = PTR_ERR(priv->stm.gpr);
+		goto out_put_node;
 	}
 
 	priv->stm.req_gpr = out_val[1];
@@ -1455,7 +1473,9 @@ static int flexcan_setup_stop_mode(struct platform_device *pdev)
 
 	device_set_wakeup_capable(&pdev->dev, true);
 
-	return 0;
+out_put_node:
+	of_node_put(gpr_np);
+	return ret;
 }
 
 static const struct of_device_id flexcan_of_match[] = {
@@ -1612,7 +1632,9 @@ static int __maybe_unused flexcan_suspend(struct device *device)
 		 */
 		if (device_may_wakeup(device)) {
 			enable_irq_wake(dev->irq);
-			flexcan_enter_stop_mode(priv);
+			err = flexcan_enter_stop_mode(priv);
+			if (err)
+				return err;
 		} else {
 			err = flexcan_chip_disable(priv);
 			if (err)
@@ -1662,10 +1684,13 @@ static int __maybe_unused flexcan_noirq_resume(struct device *device)
 {
 	struct net_device *dev = dev_get_drvdata(device);
 	struct flexcan_priv *priv = netdev_priv(dev);
+	int err;
 
 	if (netif_running(dev) && device_may_wakeup(device)) {
 		flexcan_enable_wakeup_irq(priv, false);
-		flexcan_exit_stop_mode(priv);
+		err = flexcan_exit_stop_mode(priv);
+		if (err)
+			return err;
 	}
 
 	return 0;
diff --git a/drivers/net/can/rcar/rcar_canfd.c b/drivers/net/can/rcar/rcar_canfd.c
index 05410008aa6b..de34a4b82d4a 100644
--- a/drivers/net/can/rcar/rcar_canfd.c
+++ b/drivers/net/can/rcar/rcar_canfd.c
@@ -1508,10 +1508,11 @@ static int rcar_canfd_rx_poll(struct napi_struct *napi, int quota)
 
 	/* All packets processed */
 	if (num_pkts < quota) {
-		napi_complete_done(napi, num_pkts);
-		/* Enable Rx FIFO interrupts */
-		rcar_canfd_set_bit(priv->base, RCANFD_RFCC(ridx),
-				   RCANFD_RFCC_RFIE);
+		if (napi_complete_done(napi, num_pkts)) {
+			/* Enable Rx FIFO interrupts */
+			rcar_canfd_set_bit(priv->base, RCANFD_RFCC(ridx),
+					   RCANFD_RFCC_RFIE);
+		}
 	}
 	return num_pkts;
 }
diff --git a/drivers/net/can/usb/peak_usb/pcan_usb_core.c b/drivers/net/can/usb/peak_usb/pcan_usb_core.c
index 458154c9b482..22b9c8e6d040 100644
--- a/drivers/net/can/usb/peak_usb/pcan_usb_core.c
+++ b/drivers/net/can/usb/peak_usb/pcan_usb_core.c
@@ -568,16 +568,16 @@ static int peak_usb_ndo_stop(struct net_device *netdev)
 	dev->state &= ~PCAN_USB_STATE_STARTED;
 	netif_stop_queue(netdev);
 
+	close_candev(netdev);
+
+	dev->can.state = CAN_STATE_STOPPED;
+
 	/* unlink all pending urbs and free used memory */
 	peak_usb_unlink_all_urbs(dev);
 
 	if (dev->adapter->dev_stop)
 		dev->adapter->dev_stop(dev);
 
-	close_candev(netdev);
-
-	dev->can.state = CAN_STATE_STOPPED;
-
 	/* can set bus off now */
 	if (dev->adapter->dev_set_bus) {
 		int err = dev->adapter->dev_set_bus(dev, 0);
diff --git a/drivers/net/can/usb/peak_usb/pcan_usb_fd.c b/drivers/net/can/usb/peak_usb/pcan_usb_fd.c
index 34761c3a6286..47cc1ff5b88e 100644
--- a/drivers/net/can/usb/peak_usb/pcan_usb_fd.c
+++ b/drivers/net/can/usb/peak_usb/pcan_usb_fd.c
@@ -841,7 +841,7 @@ static int pcan_usb_fd_init(struct peak_usb_device *dev)
 			goto err_out;
 
 		/* allocate command buffer once for all for the interface */
-		pdev->cmd_buffer_addr = kmalloc(PCAN_UFD_CMD_BUFFER_SIZE,
+		pdev->cmd_buffer_addr = kzalloc(PCAN_UFD_CMD_BUFFER_SIZE,
 						GFP_KERNEL);
 		if (!pdev->cmd_buffer_addr)
 			goto err_out_1;
diff --git a/drivers/net/can/usb/peak_usb/pcan_usb_pro.c b/drivers/net/can/usb/peak_usb/pcan_usb_pro.c
index 178bb7cff0c1..53cb2f72bdd0 100644
--- a/drivers/net/can/usb/peak_usb/pcan_usb_pro.c
+++ b/drivers/net/can/usb/peak_usb/pcan_usb_pro.c
@@ -494,7 +494,7 @@ static int pcan_usb_pro_drv_loaded(struct peak_usb_device *dev, int loaded)
 	u8 *buffer;
 	int err;
 
-	buffer = kmalloc(PCAN_USBPRO_FCT_DRVLD_REQ_LEN, GFP_KERNEL);
+	buffer = kzalloc(PCAN_USBPRO_FCT_DRVLD_REQ_LEN, GFP_KERNEL);
 	if (!buffer)
 		return -ENOMEM;
 
diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.c
index cfaf8f618d1f..56742fa0c1af 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_tc_flower.c
@@ -67,7 +67,8 @@ static struct ch_tc_pedit_fields pedits[] = {
 static struct ch_tc_flower_entry *allocate_flower_entry(void)
 {
 	struct ch_tc_flower_entry *new = kzalloc(sizeof(*new), GFP_KERNEL);
-	spin_lock_init(&new->lock);
+	if (new)
+		spin_lock_init(&new->lock);
 	return new;
 }
 
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
index 559f6df1a74d..5af9959d05e5 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/fw.c
@@ -753,7 +753,7 @@ static int iwl_mvm_sar_get_ewrd_table(struct iwl_mvm *mvm)
 
 	for (i = 0; i < n_profiles; i++) {
 		/* the tables start at element 3 */
-		static int pos = 3;
+		int pos = 3;
 
 		/* The EWRD profiles officially go from 2 to 4, but we
 		 * save them in sar_profiles[1-3] (because we don't
@@ -874,6 +874,22 @@ int iwl_mvm_sar_select_profile(struct iwl_mvm *mvm, int prof_a, int prof_b)
 	return iwl_mvm_send_cmd_pdu(mvm, REDUCE_TX_POWER_CMD, 0, len, &cmd);
 }
 
+static bool iwl_mvm_sar_geo_support(struct iwl_mvm *mvm)
+{
+	/*
+	 * The GEO_TX_POWER_LIMIT command is not supported on earlier
+	 * firmware versions.  Unfortunately, we don't have a TLV API
+	 * flag to rely on, so rely on the major version which is in
+	 * the first byte of ucode_ver.  This was implemented
+	 * initially on version 38 and then backported to 36, 29 and
+	 * 17.
+	 */
+	return IWL_UCODE_SERIAL(mvm->fw->ucode_ver) >= 38 ||
+	       IWL_UCODE_SERIAL(mvm->fw->ucode_ver) == 36 ||
+	       IWL_UCODE_SERIAL(mvm->fw->ucode_ver) == 29 ||
+	       IWL_UCODE_SERIAL(mvm->fw->ucode_ver) == 17;
+}
+
 int iwl_mvm_get_sar_geo_profile(struct iwl_mvm *mvm)
 {
 	struct iwl_geo_tx_power_profiles_resp *resp;
@@ -889,6 +905,9 @@ int iwl_mvm_get_sar_geo_profile(struct iwl_mvm *mvm)
 		.data = { &geo_cmd },
 	};
 
+	if (!iwl_mvm_sar_geo_support(mvm))
+		return -EOPNOTSUPP;
+
 	ret = iwl_mvm_send_cmd(mvm, &cmd);
 	if (ret) {
 		IWL_ERR(mvm, "Failed to get geographic profile info %d\n", ret);
@@ -914,13 +933,7 @@ static int iwl_mvm_sar_geo_init(struct iwl_mvm *mvm)
 	int ret, i, j;
 	u16 cmd_wide_id =  WIDE_ID(PHY_OPS_GROUP, GEO_TX_POWER_LIMIT);
 
-	/*
-	 * This command is not supported on earlier firmware versions.
-	 * Unfortunately, we don't have a TLV API flag to rely on, so
-	 * rely on the major version which is in the first byte of
-	 * ucode_ver.
-	 */
-	if (IWL_UCODE_SERIAL(mvm->fw->ucode_ver) < 41)
+	if (!iwl_mvm_sar_geo_support(mvm))
 		return 0;
 
 	ret = iwl_mvm_sar_get_wgds_table(mvm);
diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
index 96f8d38ea321..a12ee20fb9ab 100644
--- a/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
+++ b/drivers/net/wireless/intel/iwlwifi/mvm/tx.c
@@ -831,6 +831,7 @@ iwl_mvm_tx_tso_segment(struct sk_buff *skb, unsigned int num_subframes,
 	unsigned int tcp_payload_len;
 	unsigned int mss = skb_shinfo(skb)->gso_size;
 	bool ipv4 = (skb->protocol == htons(ETH_P_IP));
+	bool qos = ieee80211_is_data_qos(hdr->frame_control);
 	u16 ip_base_id = ipv4 ? ntohs(ip_hdr(skb)->id) : 0;
 
 	skb_shinfo(skb)->gso_size = num_subframes * mss;
@@ -864,7 +865,7 @@ iwl_mvm_tx_tso_segment(struct sk_buff *skb, unsigned int num_subframes,
 		if (tcp_payload_len > mss) {
 			skb_shinfo(tmp)->gso_size = mss;
 		} else {
-			if (ieee80211_is_data_qos(hdr->frame_control)) {
+			if (qos) {
 				u8 *qc;
 
 				if (ipv4)
diff --git a/drivers/net/wireless/intel/iwlwifi/pcie/tx.c b/drivers/net/wireless/intel/iwlwifi/pcie/tx.c
index fa4245d0d4a8..2f0ba7ef53b8 100644
--- a/drivers/net/wireless/intel/iwlwifi/pcie/tx.c
+++ b/drivers/net/wireless/intel/iwlwifi/pcie/tx.c
@@ -435,6 +435,8 @@ static void iwl_pcie_tfd_unmap(struct iwl_trans *trans,
 					 DMA_TO_DEVICE);
 	}
 
+	meta->tbs = 0;
+
 	if (trans->cfg->use_tfh) {
 		struct iwl_tfh_tfd *tfd_fh = (void *)tfd;
 
diff --git a/drivers/net/wireless/marvell/mwifiex/main.h b/drivers/net/wireless/marvell/mwifiex/main.h
index b025ba164412..e39bb5c42c9a 100644
--- a/drivers/net/wireless/marvell/mwifiex/main.h
+++ b/drivers/net/wireless/marvell/mwifiex/main.h
@@ -124,6 +124,7 @@ enum {
 
 #define MWIFIEX_MAX_TOTAL_SCAN_TIME	(MWIFIEX_TIMER_10S - MWIFIEX_TIMER_1S)
 
+#define WPA_GTK_OUI_OFFSET				2
 #define RSN_GTK_OUI_OFFSET				2
 
 #define MWIFIEX_OUI_NOT_PRESENT			0
diff --git a/drivers/net/wireless/marvell/mwifiex/scan.c b/drivers/net/wireless/marvell/mwifiex/scan.c
index e2786ab612ca..dd02bbd9544e 100644
--- a/drivers/net/wireless/marvell/mwifiex/scan.c
+++ b/drivers/net/wireless/marvell/mwifiex/scan.c
@@ -181,7 +181,8 @@ mwifiex_is_wpa_oui_present(struct mwifiex_bssdescriptor *bss_desc, u32 cipher)
 	u8 ret = MWIFIEX_OUI_NOT_PRESENT;
 
 	if (has_vendor_hdr(bss_desc->bcn_wpa_ie, WLAN_EID_VENDOR_SPECIFIC)) {
-		iebody = (struct ie_body *) bss_desc->bcn_wpa_ie->data;
+		iebody = (struct ie_body *)((u8 *)bss_desc->bcn_wpa_ie->data +
+					    WPA_GTK_OUI_OFFSET);
 		oui = &mwifiex_wpa_oui[cipher][0];
 		ret = mwifiex_search_oui_in_ie(iebody, oui);
 		if (ret)
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c
index 4a1d2ab4d161..5deb4deb3820 100644
--- a/drivers/nvme/host/core.c
+++ b/drivers/nvme/host/core.c
@@ -2264,17 +2264,15 @@ static void nvme_init_subnqn(struct nvme_subsystem *subsys, struct nvme_ctrl *ct
 	memset(subsys->subnqn + off, 0, sizeof(subsys->subnqn) - off);
 }
 
-static void __nvme_release_subsystem(struct nvme_subsystem *subsys)
+static void nvme_release_subsystem(struct device *dev)
 {
+	struct nvme_subsystem *subsys =
+		container_of(dev, struct nvme_subsystem, dev);
+
 	ida_simple_remove(&nvme_subsystems_ida, subsys->instance);
 	kfree(subsys);
 }
 
-static void nvme_release_subsystem(struct device *dev)
-{
-	__nvme_release_subsystem(container_of(dev, struct nvme_subsystem, dev));
-}
-
 static void nvme_destroy_subsystem(struct kref *ref)
 {
 	struct nvme_subsystem *subsys =
@@ -2429,7 +2427,7 @@ static int nvme_init_subsystem(struct nvme_ctrl *ctrl, struct nvme_id_ctrl *id)
 	mutex_lock(&nvme_subsystems_lock);
 	found = __nvme_find_get_subsystem(subsys->subnqn);
 	if (found) {
-		__nvme_release_subsystem(subsys);
+		put_device(&subsys->dev);
 		subsys = found;
 
 		if (!nvme_validate_cntlid(subsys, ctrl, id)) {
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index 7fbcd72c438f..f9959eaaa185 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -2959,6 +2959,8 @@ static const struct pci_device_id nvme_id_table[] = {
 		.driver_data = NVME_QUIRK_LIGHTNVM, },
 	{ PCI_DEVICE(0x1d1d, 0x2601),	/* CNEX Granby */
 		.driver_data = NVME_QUIRK_LIGHTNVM, },
+	{ PCI_DEVICE(0x10ec, 0x5762),   /* ADATA SX6000LNP */
+		.driver_data = NVME_QUIRK_IGNORE_DEV_SUBNQN, },
 	{ PCI_DEVICE_CLASS(PCI_CLASS_STORAGE_EXPRESS, 0xffffff) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_APPLE, 0x2001) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_APPLE, 0x2003) },
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 720da09d4d73..088fcdc8d2b4 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -1004,10 +1004,15 @@ static void __pci_start_power_transition(struct pci_dev *dev, pci_power_t state)
 	if (state == PCI_D0) {
 		pci_platform_power_transition(dev, PCI_D0);
 		/*
-		 * Mandatory power management transition delays are
-		 * handled in the PCIe portdrv resume hooks.
+		 * Mandatory power management transition delays, see
+		 * PCI Express Base Specification Revision 2.0 Section
+		 * 6.6.1: Conventional Reset.  Do not delay for
+		 * devices powered on/off by corresponding bridge,
+		 * because have already delayed for the bridge.
 		 */
 		if (dev->runtime_d3cold) {
+			if (dev->d3cold_delay && !dev->imm_ready)
+				msleep(dev->d3cold_delay);
 			/*
 			 * When powering on a bridge from D3cold, the
 			 * whole hierarchy may be powered on into
@@ -4570,16 +4575,14 @@ static int pci_pm_reset(struct pci_dev *dev, int probe)
 
 	return pci_dev_wait(dev, "PM D3->D0", PCIE_RESET_READY_POLL_MS);
 }
-
 /**
- * pcie_wait_for_link_delay - Wait until link is active or inactive
+ * pcie_wait_for_link - Wait until link is active or inactive
  * @pdev: Bridge device
  * @active: waiting for active or inactive?
- * @delay: Delay to wait after link has become active (in ms)
  *
  * Use this to wait till link becomes active or inactive.
  */
-bool pcie_wait_for_link_delay(struct pci_dev *pdev, bool active, int delay)
+bool pcie_wait_for_link(struct pci_dev *pdev, bool active)
 {
 	int timeout = 1000;
 	bool ret;
@@ -4616,25 +4619,13 @@ bool pcie_wait_for_link_delay(struct pci_dev *pdev, bool active, int delay)
 		timeout -= 10;
 	}
 	if (active && ret)
-		msleep(delay);
+		msleep(100);
 	else if (ret != active)
 		pci_info(pdev, "Data Link Layer Link Active not %s in 1000 msec\n",
 			active ? "set" : "cleared");
 	return ret == active;
 }
 
-/**
- * pcie_wait_for_link - Wait until link is active or inactive
- * @pdev: Bridge device
- * @active: waiting for active or inactive?
- *
- * Use this to wait till link becomes active or inactive.
- */
-bool pcie_wait_for_link(struct pci_dev *pdev, bool active)
-{
-	return pcie_wait_for_link_delay(pdev, active, 100);
-}
-
 void pci_reset_secondary_bus(struct pci_dev *dev)
 {
 	u16 ctrl;
diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h
index 59802b3def4b..9cb99380c61e 100644
--- a/drivers/pci/pci.h
+++ b/drivers/pci/pci.h
@@ -493,7 +493,6 @@ static inline int pci_dev_specific_disable_acs_redir(struct pci_dev *dev)
 void pcie_do_recovery(struct pci_dev *dev, enum pci_channel_state state,
 		      u32 service);
 
-bool pcie_wait_for_link_delay(struct pci_dev *pdev, bool active, int delay);
 bool pcie_wait_for_link(struct pci_dev *pdev, bool active);
 #ifdef CONFIG_PCIEASPM
 void pcie_aspm_init_link_state(struct pci_dev *pdev);
diff --git a/drivers/pci/pcie/portdrv_core.c b/drivers/pci/pcie/portdrv_core.c
index 308c3e0c4a34..1b330129089f 100644
--- a/drivers/pci/pcie/portdrv_core.c
+++ b/drivers/pci/pcie/portdrv_core.c
@@ -9,7 +9,6 @@
 #include <linux/module.h>
 #include <linux/pci.h>
 #include <linux/kernel.h>
-#include <linux/delay.h>
 #include <linux/errno.h>
 #include <linux/pm.h>
 #include <linux/pm_runtime.h>
@@ -379,67 +378,6 @@ static int pm_iter(struct device *dev, void *data)
 	return 0;
 }
 
-static int get_downstream_delay(struct pci_bus *bus)
-{
-	struct pci_dev *pdev;
-	int min_delay = 100;
-	int max_delay = 0;
-
-	list_for_each_entry(pdev, &bus->devices, bus_list) {
-		if (!pdev->imm_ready)
-			min_delay = 0;
-		else if (pdev->d3cold_delay < min_delay)
-			min_delay = pdev->d3cold_delay;
-		if (pdev->d3cold_delay > max_delay)
-			max_delay = pdev->d3cold_delay;
-	}
-
-	return max(min_delay, max_delay);
-}
-
-/*
- * wait_for_downstream_link - Wait for downstream link to establish
- * @pdev: PCIe port whose downstream link is waited
- *
- * Handle delays according to PCIe 4.0 section 6.6.1 before configuration
- * access to the downstream component is permitted.
- *
- * This blocks PCI core resume of the hierarchy below this port until the
- * link is trained. Should be called before resuming port services to
- * prevent pciehp from starting to tear-down the hierarchy too soon.
- */
-static void wait_for_downstream_link(struct pci_dev *pdev)
-{
-	int delay;
-
-	if (pci_pcie_type(pdev) != PCI_EXP_TYPE_ROOT_PORT &&
-	    pci_pcie_type(pdev) != PCI_EXP_TYPE_DOWNSTREAM)
-		return;
-
-	if (pci_dev_is_disconnected(pdev))
-		return;
-
-	if (!pdev->subordinate || list_empty(&pdev->subordinate->devices) ||
-	    !pdev->bridge_d3)
-		return;
-
-	delay = get_downstream_delay(pdev->subordinate);
-	if (!delay)
-		return;
-
-	dev_dbg(&pdev->dev, "waiting downstream link for %d ms\n", delay);
-
-	/*
-	 * If downstream port does not support speeds greater than 5 GT/s
-	 * need to wait 100ms. For higher speeds (gen3) we need to wait
-	 * first for the data link layer to become active.
-	 */
-	if (pcie_get_speed_cap(pdev) <= PCIE_SPEED_5_0GT)
-		msleep(delay);
-	else
-		pcie_wait_for_link_delay(pdev, true, delay);
-}
-
 /**
  * pcie_port_device_suspend - suspend port services associated with a PCIe port
  * @dev: PCI Express port to handle
@@ -453,8 +391,6 @@ int pcie_port_device_suspend(struct device *dev)
 int pcie_port_device_resume_noirq(struct device *dev)
 {
 	size_t off = offsetof(struct pcie_port_service_driver, resume_noirq);
-
-	wait_for_downstream_link(to_pci_dev(dev));
 	return device_for_each_child(dev, &off, pm_iter);
 }
 
@@ -485,8 +421,6 @@ int pcie_port_device_runtime_suspend(struct device *dev)
 int pcie_port_device_runtime_resume(struct device *dev)
 {
 	size_t off = offsetof(struct pcie_port_service_driver, runtime_resume);
-
-	wait_for_downstream_link(to_pci_dev(dev));
 	return device_for_each_child(dev, &off, pm_iter);
 }
 #endif /* PM */
diff --git a/drivers/s390/cio/qdio_main.c b/drivers/s390/cio/qdio_main.c
index 730c4e68094b..7f5adf02f095 100644
--- a/drivers/s390/cio/qdio_main.c
+++ b/drivers/s390/cio/qdio_main.c
@@ -1558,13 +1558,13 @@ static int handle_outbound(struct qdio_q *q, unsigned int callflags,
 		rc = qdio_kick_outbound_q(q, phys_aob);
 	} else if (need_siga_sync(q)) {
 		rc = qdio_siga_sync_q(q);
+	} else if (count < QDIO_MAX_BUFFERS_PER_Q &&
+		   get_buf_state(q, prev_buf(bufnr), &state, 0) > 0 &&
+		   state == SLSB_CU_OUTPUT_PRIMED) {
+		/* The previous buffer is not processed yet, tack on. */
+		qperf_inc(q, fast_requeue);
 	} else {
-		/* try to fast requeue buffers */
-		get_buf_state(q, prev_buf(bufnr), &state, 0);
-		if (state != SLSB_CU_OUTPUT_PRIMED)
-			rc = qdio_kick_outbound_q(q, 0);
-		else
-			qperf_inc(q, fast_requeue);
+		rc = qdio_kick_outbound_q(q, 0);
 	}
 
 	/* in case of SIGA errors we must process the error immediately */
diff --git a/drivers/s390/cio/vfio_ccw_cp.c b/drivers/s390/cio/vfio_ccw_cp.c
index 0e79799e9a71..79eb40bdaf9f 100644
--- a/drivers/s390/cio/vfio_ccw_cp.c
+++ b/drivers/s390/cio/vfio_ccw_cp.c
@@ -89,8 +89,10 @@ static int pfn_array_alloc_pin(struct pfn_array *pa, struct device *mdev,
 				  sizeof(*pa->pa_iova_pfn) +
 				  sizeof(*pa->pa_pfn),
 				  GFP_KERNEL);
-	if (unlikely(!pa->pa_iova_pfn))
+	if (unlikely(!pa->pa_iova_pfn)) {
+		pa->pa_nr = 0;
 		return -ENOMEM;
+	}
 	pa->pa_pfn = pa->pa_iova_pfn + pa->pa_nr;
 
 	pa->pa_iova_pfn[0] = pa->pa_iova >> PAGE_SHIFT;
diff --git a/drivers/s390/cio/vfio_ccw_drv.c b/drivers/s390/cio/vfio_ccw_drv.c
index 9125f7f4e64c..8a8fbde7e186 100644
--- a/drivers/s390/cio/vfio_ccw_drv.c
+++ b/drivers/s390/cio/vfio_ccw_drv.c
@@ -88,7 +88,7 @@ static void vfio_ccw_sch_io_todo(struct work_struct *work)
 		     (SCSW_ACTL_DEVACT | SCSW_ACTL_SCHACT));
 	if (scsw_is_solicited(&irb->scsw)) {
 		cp_update_scsw(&private->cp, &irb->scsw);
-		if (is_final)
+		if (is_final && private->state == VFIO_CCW_STATE_CP_PENDING)
 			cp_free(&private->cp);
 	}
 	mutex_lock(&private->io_mutex);
diff --git a/drivers/scsi/device_handler/scsi_dh_alua.c b/drivers/scsi/device_handler/scsi_dh_alua.c
index f0066f8a1786..4971104b1817 100644
--- a/drivers/scsi/device_handler/scsi_dh_alua.c
+++ b/drivers/scsi/device_handler/scsi_dh_alua.c
@@ -40,6 +40,7 @@
 #define ALUA_FAILOVER_TIMEOUT		60
 #define ALUA_FAILOVER_RETRIES		5
 #define ALUA_RTPG_DELAY_MSECS		5
+#define ALUA_RTPG_RETRY_DELAY		2
 
 /* device handler flags */
 #define ALUA_OPTIMIZE_STPG		0x01
@@ -682,7 +683,7 @@ static int alua_rtpg(struct scsi_device *sdev, struct alua_port_group *pg)
 	case SCSI_ACCESS_STATE_TRANSITIONING:
 		if (time_before(jiffies, pg->expiry)) {
 			/* State transition, retry */
-			pg->interval = 2;
+			pg->interval = ALUA_RTPG_RETRY_DELAY;
 			err = SCSI_DH_RETRY;
 		} else {
 			struct alua_dh_data *h;
@@ -807,6 +808,8 @@ static void alua_rtpg_work(struct work_struct *work)
 				spin_lock_irqsave(&pg->lock, flags);
 				pg->flags &= ~ALUA_PG_RUNNING;
 				pg->flags |= ALUA_PG_RUN_RTPG;
+				if (!pg->interval)
+					pg->interval = ALUA_RTPG_RETRY_DELAY;
 				spin_unlock_irqrestore(&pg->lock, flags);
 				queue_delayed_work(kaluad_wq, &pg->rtpg_work,
 						   pg->interval * HZ);
@@ -818,6 +821,8 @@ static void alua_rtpg_work(struct work_struct *work)
 		spin_lock_irqsave(&pg->lock, flags);
 		if (err == SCSI_DH_RETRY || pg->flags & ALUA_PG_RUN_RTPG) {
 			pg->flags &= ~ALUA_PG_RUNNING;
+			if (!pg->interval && !(pg->flags & ALUA_PG_RUN_RTPG))
+				pg->interval = ALUA_RTPG_RETRY_DELAY;
 			pg->flags |= ALUA_PG_RUN_RTPG;
 			spin_unlock_irqrestore(&pg->lock, flags);
 			queue_delayed_work(kaluad_wq, &pg->rtpg_work,
diff --git a/drivers/scsi/ibmvscsi/ibmvfc.c b/drivers/scsi/ibmvscsi/ibmvfc.c
index acd16e0d52cf..8cdbac076a1b 100644
--- a/drivers/scsi/ibmvscsi/ibmvfc.c
+++ b/drivers/scsi/ibmvscsi/ibmvfc.c
@@ -4864,8 +4864,8 @@ static int ibmvfc_remove(struct vio_dev *vdev)
 
 	spin_lock_irqsave(vhost->host->host_lock, flags);
 	ibmvfc_purge_requests(vhost, DID_ERROR);
-	ibmvfc_free_event_pool(vhost);
 	spin_unlock_irqrestore(vhost->host->host_lock, flags);
+	ibmvfc_free_event_pool(vhost);
 
 	ibmvfc_free_mem(vhost);
 	spin_lock(&ibmvfc_driver_lock);
diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c
index 7237114a1d53..5f30016e9b64 100644
--- a/drivers/scsi/megaraid/megaraid_sas_base.c
+++ b/drivers/scsi/megaraid/megaraid_sas_base.c
@@ -3045,6 +3045,7 @@ megasas_fw_crash_buffer_show(struct device *cdev,
 	u32 size;
 	unsigned long buff_addr;
 	unsigned long dmachunk = CRASH_DMA_BUF_SIZE;
+	unsigned long chunk_left_bytes;
 	unsigned long src_addr;
 	unsigned long flags;
 	u32 buff_offset;
@@ -3070,6 +3071,8 @@ megasas_fw_crash_buffer_show(struct device *cdev,
 	}
 
 	size = (instance->fw_crash_buffer_size * dmachunk) - buff_offset;
+	chunk_left_bytes = dmachunk - (buff_offset % dmachunk);
+	size = (size > chunk_left_bytes) ? chunk_left_bytes : size;
 	size = (size >= PAGE_SIZE) ? (PAGE_SIZE - 1) : size;
 
 	src_addr = (unsigned long)instance->crash_buf[buff_offset / dmachunk] +
diff --git a/drivers/staging/android/ion/ion_page_pool.c b/drivers/staging/android/ion/ion_page_pool.c
index fd4995fb676e..f85ec5b16b65 100644
--- a/drivers/staging/android/ion/ion_page_pool.c
+++ b/drivers/staging/android/ion/ion_page_pool.c
@@ -8,11 +8,14 @@
 #include <linux/list.h>
 #include <linux/slab.h>
 #include <linux/swap.h>
+#include <linux/sched/signal.h>
 
 #include "ion.h"
 
 static inline struct page *ion_page_pool_alloc_pages(struct ion_page_pool *pool)
 {
+	if (fatal_signal_pending(current))
+		return NULL;
 	return alloc_pages(pool->gfp_mask, pool->order);
 }
 
diff --git a/drivers/staging/fbtft/fbtft-core.c b/drivers/staging/fbtft/fbtft-core.c
index 9b07badf4c6c..bc750250ccd6 100644
--- a/drivers/staging/fbtft/fbtft-core.c
+++ b/drivers/staging/fbtft/fbtft-core.c
@@ -76,21 +76,18 @@ static int fbtft_request_one_gpio(struct fbtft_par *par,
 				  struct gpio_desc **gpiop)
 {
 	struct device *dev = par->info->device;
-	struct device_node *node = dev->of_node;
 	int ret = 0;
 
-	if (of_find_property(node, name, NULL)) {
-		*gpiop = devm_gpiod_get_index(dev, dev->driver->name, index,
-					      GPIOD_OUT_HIGH);
-		if (IS_ERR(*gpiop)) {
-			ret = PTR_ERR(*gpiop);
-			dev_err(dev,
-				"Failed to request %s GPIO:%d\n", name, ret);
-			return ret;
-		}
-		fbtft_par_dbg(DEBUG_REQUEST_GPIOS, par, "%s: '%s' GPIO\n",
-			      __func__, name);
+	*gpiop = devm_gpiod_get_index_optional(dev, name, index,
+					       GPIOD_OUT_HIGH);
+	if (IS_ERR(*gpiop)) {
+		ret = PTR_ERR(*gpiop);
+		dev_err(dev,
+			"Failed to request %s GPIO: %d\n", name, ret);
+		return ret;
 	}
+	fbtft_par_dbg(DEBUG_REQUEST_GPIOS, par, "%s: '%s' GPIO\n",
+		      __func__, name);
 
 	return ret;
 }
@@ -103,34 +100,34 @@ static int fbtft_request_gpios_dt(struct fbtft_par *par)
 	if (!par->info->device->of_node)
 		return -EINVAL;
 
-	ret = fbtft_request_one_gpio(par, "reset-gpios", 0, &par->gpio.reset);
+	ret = fbtft_request_one_gpio(par, "reset", 0, &par->gpio.reset);
 	if (ret)
 		return ret;
-	ret = fbtft_request_one_gpio(par, "dc-gpios", 0, &par->gpio.dc);
+	ret = fbtft_request_one_gpio(par, "dc", 0, &par->gpio.dc);
 	if (ret)
 		return ret;
-	ret = fbtft_request_one_gpio(par, "rd-gpios", 0, &par->gpio.rd);
+	ret = fbtft_request_one_gpio(par, "rd", 0, &par->gpio.rd);
 	if (ret)
 		return ret;
-	ret = fbtft_request_one_gpio(par, "wr-gpios", 0, &par->gpio.wr);
+	ret = fbtft_request_one_gpio(par, "wr", 0, &par->gpio.wr);
 	if (ret)
 		return ret;
-	ret = fbtft_request_one_gpio(par, "cs-gpios", 0, &par->gpio.cs);
+	ret = fbtft_request_one_gpio(par, "cs", 0, &par->gpio.cs);
 	if (ret)
 		return ret;
-	ret = fbtft_request_one_gpio(par, "latch-gpios", 0, &par->gpio.latch);
+	ret = fbtft_request_one_gpio(par, "latch", 0, &par->gpio.latch);
 	if (ret)
 		return ret;
 	for (i = 0; i < 16; i++) {
-		ret = fbtft_request_one_gpio(par, "db-gpios", i,
+		ret = fbtft_request_one_gpio(par, "db", i,
 					     &par->gpio.db[i]);
 		if (ret)
 			return ret;
-		ret = fbtft_request_one_gpio(par, "led-gpios", i,
+		ret = fbtft_request_one_gpio(par, "led", i,
 					     &par->gpio.led[i]);
 		if (ret)
 			return ret;
-		ret = fbtft_request_one_gpio(par, "aux-gpios", i,
+		ret = fbtft_request_one_gpio(par, "aux", i,
 					     &par->gpio.aux[i]);
 		if (ret)
 			return ret;
@@ -234,9 +231,9 @@ static void fbtft_reset(struct fbtft_par *par)
 	if (!par->gpio.reset)
 		return;
 	fbtft_par_dbg(DEBUG_RESET, par, "%s()\n", __func__);
-	gpiod_set_value_cansleep(par->gpio.reset, 0);
-	usleep_range(20, 40);
 	gpiod_set_value_cansleep(par->gpio.reset, 1);
+	usleep_range(20, 40);
+	gpiod_set_value_cansleep(par->gpio.reset, 0);
 	msleep(120);
 }
 
diff --git a/drivers/staging/gasket/apex_driver.c b/drivers/staging/gasket/apex_driver.c
index 2be45ee9d061..464648ee2036 100644
--- a/drivers/staging/gasket/apex_driver.c
+++ b/drivers/staging/gasket/apex_driver.c
@@ -532,7 +532,7 @@ static ssize_t sysfs_show(struct device *device, struct device_attribute *attr,
 		break;
 	case ATTR_KERNEL_HIB_SIMPLE_PAGE_TABLE_SIZE:
 		ret = scnprintf(buf, PAGE_SIZE, "%u\n",
-				gasket_page_table_num_entries(
+				gasket_page_table_num_simple_entries(
 					gasket_dev->page_table[0]));
 		break;
 	case ATTR_KERNEL_HIB_NUM_ACTIVE_PAGES:
diff --git a/drivers/staging/wilc1000/wilc_wfi_cfgoperations.c b/drivers/staging/wilc1000/wilc_wfi_cfgoperations.c
index f6825727bf77..3592b545246c 100644
--- a/drivers/staging/wilc1000/wilc_wfi_cfgoperations.c
+++ b/drivers/staging/wilc1000/wilc_wfi_cfgoperations.c
@@ -1789,6 +1789,7 @@ void wilc_deinit_host_int(struct net_device *net)
 
 	priv->p2p_listen_state = false;
 
+	flush_workqueue(vif->wilc->hif_workqueue);
 	mutex_destroy(&priv->scan_req_lock);
 	ret = wilc_deinit(vif);
 
diff --git a/drivers/tty/tty_ldsem.c b/drivers/tty/tty_ldsem.c
index 717292c1c0df..60ff236a3d63 100644
--- a/drivers/tty/tty_ldsem.c
+++ b/drivers/tty/tty_ldsem.c
@@ -93,8 +93,7 @@ static void __ldsem_wake_readers(struct ld_semaphore *sem)
 
 	list_for_each_entry_safe(waiter, next, &sem->read_wait, list) {
 		tsk = waiter->task;
-		smp_mb();
-		waiter->task = NULL;
+		smp_store_release(&waiter->task, NULL);
 		wake_up_process(tsk);
 		put_task_struct(tsk);
 	}
@@ -194,7 +193,7 @@ down_read_failed(struct ld_semaphore *sem, long count, long timeout)
 	for (;;) {
 		set_current_state(TASK_UNINTERRUPTIBLE);
 
-		if (!waiter.task)
+		if (!smp_load_acquire(&waiter.task))
 			break;
 		if (!timeout)
 			break;
diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
index a02448105527..86130e8d35f9 100644
--- a/drivers/usb/core/devio.c
+++ b/drivers/usb/core/devio.c
@@ -1788,8 +1788,6 @@ static int proc_do_submiturb(struct usb_dev_state *ps, struct usbdevfs_urb *uurb
 	return 0;
 
  error:
-	if (as && as->usbm)
-		dec_usb_memory_use_count(as->usbm, &as->usbm->urb_use_count);
 	kfree(isopkt);
 	kfree(dr);
 	if (as)
diff --git a/drivers/usb/host/xhci-rcar.c b/drivers/usb/host/xhci-rcar.c
index 671bce18782c..8616c52849c6 100644
--- a/drivers/usb/host/xhci-rcar.c
+++ b/drivers/usb/host/xhci-rcar.c
@@ -238,10 +238,15 @@ int xhci_rcar_init_quirk(struct usb_hcd *hcd)
 	 * pointers. So, this driver clears the AC64 bit of xhci->hcc_params
 	 * to call dma_set_coherent_mask(dev, DMA_BIT_MASK(32)) in
 	 * xhci_gen_setup().
+	 *
+	 * And, since the firmware/internal CPU control the USBSTS.STS_HALT
+	 * and the process speed is down when the roothub port enters U3,
+	 * long delay for the handshake of STS_HALT is neeed in xhci_suspend().
 	 */
 	if (xhci_rcar_is_gen2(hcd->self.controller) ||
-			xhci_rcar_is_gen3(hcd->self.controller))
-		xhci->quirks |= XHCI_NO_64BIT_SUPPORT;
+			xhci_rcar_is_gen3(hcd->self.controller)) {
+		xhci->quirks |= XHCI_NO_64BIT_SUPPORT | XHCI_SLOW_SUSPEND;
+	}
 
 	if (!xhci_rcar_wait_for_pll_active(hcd))
 		return -ETIMEDOUT;
diff --git a/drivers/usb/misc/iowarrior.c b/drivers/usb/misc/iowarrior.c
index ba05dd80a020..f5bed9f29e56 100644
--- a/drivers/usb/misc/iowarrior.c
+++ b/drivers/usb/misc/iowarrior.c
@@ -866,19 +866,20 @@ static void iowarrior_disconnect(struct usb_interface *interface)
 	dev = usb_get_intfdata(interface);
 	mutex_lock(&iowarrior_open_disc_lock);
 	usb_set_intfdata(interface, NULL);
+	/* prevent device read, write and ioctl */
+	dev->present = 0;
 
 	minor = dev->minor;
+	mutex_unlock(&iowarrior_open_disc_lock);
+	/* give back our minor - this will call close() locks need to be dropped at this point*/
 
-	/* give back our minor */
 	usb_deregister_dev(interface, &iowarrior_class);
 
 	mutex_lock(&dev->mutex);
 
 	/* prevent device read, write and ioctl */
-	dev->present = 0;
 
 	mutex_unlock(&dev->mutex);
-	mutex_unlock(&iowarrior_open_disc_lock);
 
 	if (dev->opened) {
 		/* There is a process that holds a filedescriptor to the device ,
diff --git a/drivers/usb/misc/rio500.c b/drivers/usb/misc/rio500.c
index 27e9c78a791e..a32d61a79ab8 100644
--- a/drivers/usb/misc/rio500.c
+++ b/drivers/usb/misc/rio500.c
@@ -51,6 +51,7 @@ struct rio_usb_data {
         char *obuf, *ibuf;              /* transfer buffers */
         char bulk_in_ep, bulk_out_ep;   /* Endpoint assignments */
         wait_queue_head_t wait_q;       /* for timeouts */
+	struct mutex lock;          /* general race avoidance */
 };
 
 static DEFINE_MUTEX(rio500_mutex);
@@ -62,8 +63,10 @@ static int open_rio(struct inode *inode, struct file *file)
 
 	/* against disconnect() */
 	mutex_lock(&rio500_mutex);
+	mutex_lock(&(rio->lock));
 
 	if (rio->isopen || !rio->present) {
+		mutex_unlock(&(rio->lock));
 		mutex_unlock(&rio500_mutex);
 		return -EBUSY;
 	}
@@ -71,6 +74,7 @@ static int open_rio(struct inode *inode, struct file *file)
 
 	init_waitqueue_head(&rio->wait_q);
 
+	mutex_unlock(&(rio->lock));
 
 	dev_info(&rio->rio_dev->dev, "Rio opened.\n");
 	mutex_unlock(&rio500_mutex);
@@ -84,6 +88,7 @@ static int close_rio(struct inode *inode, struct file *file)
 
 	/* against disconnect() */
 	mutex_lock(&rio500_mutex);
+	mutex_lock(&(rio->lock));
 
 	rio->isopen = 0;
 	if (!rio->present) {
@@ -95,6 +100,7 @@ static int close_rio(struct inode *inode, struct file *file)
 	} else {
 		dev_info(&rio->rio_dev->dev, "Rio closed.\n");
 	}
+	mutex_unlock(&(rio->lock));
 	mutex_unlock(&rio500_mutex);
 	return 0;
 }
@@ -109,7 +115,7 @@ static long ioctl_rio(struct file *file, unsigned int cmd, unsigned long arg)
 	int retries;
 	int retval=0;
 
-	mutex_lock(&rio500_mutex);
+	mutex_lock(&(rio->lock));
         /* Sanity check to make sure rio is connected, powered, etc */
         if (rio->present == 0 || rio->rio_dev == NULL) {
 		retval = -ENODEV;
@@ -253,7 +259,7 @@ static long ioctl_rio(struct file *file, unsigned int cmd, unsigned long arg)
 
 
 err_out:
-	mutex_unlock(&rio500_mutex);
+	mutex_unlock(&(rio->lock));
 	return retval;
 }
 
@@ -273,12 +279,12 @@ write_rio(struct file *file, const char __user *buffer,
 	int errn = 0;
 	int intr;
 
-	intr = mutex_lock_interruptible(&rio500_mutex);
+	intr = mutex_lock_interruptible(&(rio->lock));
 	if (intr)
 		return -EINTR;
         /* Sanity check to make sure rio is connected, powered, etc */
         if (rio->present == 0 || rio->rio_dev == NULL) {
-		mutex_unlock(&rio500_mutex);
+		mutex_unlock(&(rio->lock));
 		return -ENODEV;
 	}
 
@@ -301,7 +307,7 @@ write_rio(struct file *file, const char __user *buffer,
 				goto error;
 			}
 			if (signal_pending(current)) {
-				mutex_unlock(&rio500_mutex);
+				mutex_unlock(&(rio->lock));
 				return bytes_written ? bytes_written : -EINTR;
 			}
 
@@ -339,12 +345,12 @@ write_rio(struct file *file, const char __user *buffer,
 		buffer += copy_size;
 	} while (count > 0);
 
-	mutex_unlock(&rio500_mutex);
+	mutex_unlock(&(rio->lock));
 
 	return bytes_written ? bytes_written : -EIO;
 
 error:
-	mutex_unlock(&rio500_mutex);
+	mutex_unlock(&(rio->lock));
 	return errn;
 }
 
@@ -361,12 +367,12 @@ read_rio(struct file *file, char __user *buffer, size_t count, loff_t * ppos)
 	char *ibuf;
 	int intr;
 
-	intr = mutex_lock_interruptible(&rio500_mutex);
+	intr = mutex_lock_interruptible(&(rio->lock));
 	if (intr)
 		return -EINTR;
 	/* Sanity check to make sure rio is connected, powered, etc */
         if (rio->present == 0 || rio->rio_dev == NULL) {
-		mutex_unlock(&rio500_mutex);
+		mutex_unlock(&(rio->lock));
 		return -ENODEV;
 	}
 
@@ -377,11 +383,11 @@ read_rio(struct file *file, char __user *buffer, size_t count, loff_t * ppos)
 
 	while (count > 0) {
 		if (signal_pending(current)) {
-			mutex_unlock(&rio500_mutex);
+			mutex_unlock(&(rio->lock));
 			return read_count ? read_count : -EINTR;
 		}
 		if (!rio->rio_dev) {
-			mutex_unlock(&rio500_mutex);
+			mutex_unlock(&(rio->lock));
 			return -ENODEV;
 		}
 		this_read = (count >= IBUF_SIZE) ? IBUF_SIZE : count;
@@ -399,7 +405,7 @@ read_rio(struct file *file, char __user *buffer, size_t count, loff_t * ppos)
 			count = this_read = partial;
 		} else if (result == -ETIMEDOUT || result == 15) {	/* FIXME: 15 ??? */
 			if (!maxretry--) {
-				mutex_unlock(&rio500_mutex);
+				mutex_unlock(&(rio->lock));
 				dev_err(&rio->rio_dev->dev,
 					"read_rio: maxretry timeout\n");
 				return -ETIME;
@@ -409,19 +415,19 @@ read_rio(struct file *file, char __user *buffer, size_t count, loff_t * ppos)
 			finish_wait(&rio->wait_q, &wait);
 			continue;
 		} else if (result != -EREMOTEIO) {
-			mutex_unlock(&rio500_mutex);
+			mutex_unlock(&(rio->lock));
 			dev_err(&rio->rio_dev->dev,
 				"Read Whoops - result:%d partial:%u this_read:%u\n",
 				result, partial, this_read);
 			return -EIO;
 		} else {
-			mutex_unlock(&rio500_mutex);
+			mutex_unlock(&(rio->lock));
 			return (0);
 		}
 
 		if (this_read) {
 			if (copy_to_user(buffer, ibuf, this_read)) {
-				mutex_unlock(&rio500_mutex);
+				mutex_unlock(&(rio->lock));
 				return -EFAULT;
 			}
 			count -= this_read;
@@ -429,7 +435,7 @@ read_rio(struct file *file, char __user *buffer, size_t count, loff_t * ppos)
 			buffer += this_read;
 		}
 	}
-	mutex_unlock(&rio500_mutex);
+	mutex_unlock(&(rio->lock));
 	return read_count;
 }
 
@@ -494,6 +500,8 @@ static int probe_rio(struct usb_interface *intf,
 	}
 	dev_dbg(&intf->dev, "ibuf address:%p\n", rio->ibuf);
 
+	mutex_init(&(rio->lock));
+
 	usb_set_intfdata (intf, rio);
 	rio->present = 1;
 bail_out:
@@ -511,10 +519,12 @@ static void disconnect_rio(struct usb_interface *intf)
 	if (rio) {
 		usb_deregister_dev(intf, &usb_rio_class);
 
+		mutex_lock(&(rio->lock));
 		if (rio->isopen) {
 			rio->isopen = 0;
 			/* better let it finish - the release will do whats needed */
 			rio->rio_dev = NULL;
+			mutex_unlock(&(rio->lock));
 			mutex_unlock(&rio500_mutex);
 			return;
 		}
@@ -524,6 +534,7 @@ static void disconnect_rio(struct usb_interface *intf)
 		dev_info(&intf->dev, "USB Rio disconnected.\n");
 
 		rio->present = 0;
+		mutex_unlock(&(rio->lock));
 	}
 	mutex_unlock(&rio500_mutex);
 }
diff --git a/drivers/usb/misc/yurex.c b/drivers/usb/misc/yurex.c
index 7b306aa22d25..6715a128e6c8 100644
--- a/drivers/usb/misc/yurex.c
+++ b/drivers/usb/misc/yurex.c
@@ -92,7 +92,6 @@ static void yurex_delete(struct kref *kref)
 
 	dev_dbg(&dev->interface->dev, "%s\n", __func__);
 
-	usb_put_dev(dev->udev);
 	if (dev->cntl_urb) {
 		usb_kill_urb(dev->cntl_urb);
 		kfree(dev->cntl_req);
@@ -108,6 +107,7 @@ static void yurex_delete(struct kref *kref)
 				dev->int_buffer, dev->urb->transfer_dma);
 		usb_free_urb(dev->urb);
 	}
+	usb_put_dev(dev->udev);
 	kfree(dev);
 }
 
diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c
index fba32d84e578..15abe1d9958f 100644
--- a/drivers/usb/typec/tcpm/tcpm.c
+++ b/drivers/usb/typec/tcpm/tcpm.c
@@ -379,7 +379,8 @@ static enum tcpm_state tcpm_default_state(struct tcpm_port *port)
 			return SNK_UNATTACHED;
 		else if (port->try_role == TYPEC_SOURCE)
 			return SRC_UNATTACHED;
-		else if (port->tcpc->config->default_role == TYPEC_SINK)
+		else if (port->tcpc->config &&
+			 port->tcpc->config->default_role == TYPEC_SINK)
 			return SNK_UNATTACHED;
 		/* Fall through to return SRC_UNATTACHED */
 	} else if (port->port_type == TYPEC_PORT_SNK) {
@@ -586,7 +587,20 @@ static void tcpm_debugfs_init(struct tcpm_port *port)
 
 static void tcpm_debugfs_exit(struct tcpm_port *port)
 {
+	int i;
+
+	mutex_lock(&port->logbuffer_lock);
+	for (i = 0; i < LOG_BUFFER_ENTRIES; i++) {
+		kfree(port->logbuffer[i]);
+		port->logbuffer[i] = NULL;
+	}
+	mutex_unlock(&port->logbuffer_lock);
+
 	debugfs_remove(port->dentry);
+	if (list_empty(&rootdir->d_subdirs)) {
+		debugfs_remove(rootdir);
+		rootdir = NULL;
+	}
 }
 
 #else
@@ -1095,7 +1109,8 @@ static int tcpm_pd_svdm(struct tcpm_port *port, const __le32 *payload, int cnt,
 			break;
 		case CMD_ATTENTION:
 			/* Attention command does not have response */
-			typec_altmode_attention(adev, p[1]);
+			if (adev)
+				typec_altmode_attention(adev, p[1]);
 			return 0;
 		default:
 			break;
@@ -1147,20 +1162,26 @@ static int tcpm_pd_svdm(struct tcpm_port *port, const __le32 *payload, int cnt,
 			}
 			break;
 		case CMD_ENTER_MODE:
-			typec_altmode_update_active(pdev, true);
-
-			if (typec_altmode_vdm(adev, p[0], &p[1], cnt)) {
-				response[0] = VDO(adev->svid, 1, CMD_EXIT_MODE);
-				response[0] |= VDO_OPOS(adev->mode);
-				return 1;
+			if (adev && pdev) {
+				typec_altmode_update_active(pdev, true);
+
+				if (typec_altmode_vdm(adev, p[0], &p[1], cnt)) {
+					response[0] = VDO(adev->svid, 1,
+							  CMD_EXIT_MODE);
+					response[0] |= VDO_OPOS(adev->mode);
+					return 1;
+				}
 			}
 			return 0;
 		case CMD_EXIT_MODE:
-			typec_altmode_update_active(pdev, false);
+			if (adev && pdev) {
+				typec_altmode_update_active(pdev, false);
 
-			/* Back to USB Operation */
-			WARN_ON(typec_altmode_notify(adev, TYPEC_STATE_USB,
-						     NULL));
+				/* Back to USB Operation */
+				WARN_ON(typec_altmode_notify(adev,
+							     TYPEC_STATE_USB,
+							     NULL));
+			}
 			break;
 		default:
 			break;
@@ -1170,8 +1191,10 @@ static int tcpm_pd_svdm(struct tcpm_port *port, const __le32 *payload, int cnt,
 		switch (cmd) {
 		case CMD_ENTER_MODE:
 			/* Back to USB Operation */
-			WARN_ON(typec_altmode_notify(adev, TYPEC_STATE_USB,
-						     NULL));
+			if (adev)
+				WARN_ON(typec_altmode_notify(adev,
+							     TYPEC_STATE_USB,
+							     NULL));
 			break;
 		default:
 			break;
@@ -1182,7 +1205,8 @@ static int tcpm_pd_svdm(struct tcpm_port *port, const __le32 *payload, int cnt,
 	}
 
 	/* Informing the alternate mode drivers about everything */
-	typec_altmode_vdm(adev, p[0], &p[1], cnt);
+	if (adev)
+		typec_altmode_vdm(adev, p[0], &p[1], cnt);
 
 	return rlen;
 }
@@ -4114,7 +4138,7 @@ static int tcpm_try_role(const struct typec_capability *cap, int role)
 	mutex_lock(&port->lock);
 	if (tcpc->try_role)
 		ret = tcpc->try_role(tcpc, role);
-	if (!ret && !tcpc->config->try_role_hw)
+	if (!ret && (!tcpc->config || !tcpc->config->try_role_hw))
 		port->try_role = role;
 	port->try_src_count = 0;
 	port->try_snk_count = 0;
@@ -4701,7 +4725,7 @@ static int tcpm_copy_caps(struct tcpm_port *port,
 	port->typec_caps.prefer_role = tcfg->default_role;
 	port->typec_caps.type = tcfg->type;
 	port->typec_caps.data = tcfg->data;
-	port->self_powered = port->tcpc->config->self_powered;
+	port->self_powered = tcfg->self_powered;
 
 	return 0;
 }
diff --git a/drivers/usb/typec/ucsi/ucsi_ccg.c b/drivers/usb/typec/ucsi/ucsi_ccg.c
index bf63074675fc..c274a36c2fe4 100644
--- a/drivers/usb/typec/ucsi/ucsi_ccg.c
+++ b/drivers/usb/typec/ucsi/ucsi_ccg.c
@@ -963,7 +963,7 @@ release_fw:
  ******************************************************************************/
 static int ccg_fw_update(struct ucsi_ccg *uc, enum enum_flash_mode flash_mode)
 {
-	int err;
+	int err = 0;
 
 	while (flash_mode != FLASH_NOT_NEEDED) {
 		err = do_flash(uc, flash_mode);
diff --git a/fs/block_dev.c b/fs/block_dev.c
index 09c9d6726f07..a9e7c1b69437 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -1723,7 +1723,10 @@ int blkdev_get(struct block_device *bdev, fmode_t mode, void *holder)
 
 		/* finish claiming */
 		mutex_lock(&bdev->bd_mutex);
-		bd_finish_claiming(bdev, whole, holder);
+		if (!res)
+			bd_finish_claiming(bdev, whole, holder);
+		else
+			bd_abort_claiming(bdev, whole, holder);
 		/*
 		 * Block event polling for write claims if requested.  Any
 		 * write holder makes the write_holder state stick until
diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c
index 75311a8a68bf..c3c8de5513db 100644
--- a/fs/cifs/smb2pdu.c
+++ b/fs/cifs/smb2pdu.c
@@ -252,7 +252,7 @@ smb2_reconnect(__le16 smb2_command, struct cifs_tcon *tcon)
 	if (tcon == NULL)
 		return 0;
 
-	if (smb2_command == SMB2_TREE_CONNECT)
+	if (smb2_command == SMB2_TREE_CONNECT || smb2_command == SMB2_IOCTL)
 		return 0;
 
 	if (tcon->tidStatus == CifsExiting) {
@@ -1173,7 +1173,12 @@ SMB2_sess_alloc_buffer(struct SMB2_sess_data *sess_data)
 	else
 		req->SecurityMode = 0;
 
+#ifdef CONFIG_CIFS_DFS_UPCALL
+	req->Capabilities = cpu_to_le32(SMB2_GLOBAL_CAP_DFS);
+#else
 	req->Capabilities = 0;
+#endif /* DFS_UPCALL */
+
 	req->Channel = 0; /* MBZ */
 
 	sess_data->iov[0].iov_base = (char *)req;
diff --git a/fs/dax.c b/fs/dax.c
index 7d0e99982d48..4f42b852375b 100644
--- a/fs/dax.c
+++ b/fs/dax.c
@@ -601,7 +601,7 @@ struct page *dax_layout_busy_page(struct address_space *mapping)
 	 * guaranteed to either see new references or prevent new
 	 * references from being established.
 	 */
-	unmap_mapping_range(mapping, 0, 0, 1);
+	unmap_mapping_range(mapping, 0, 0, 0);
 
 	xas_lock_irq(&xas);
 	xas_for_each(&xas, entry, ULONG_MAX) {
diff --git a/fs/gfs2/bmap.c b/fs/gfs2/bmap.c
index 93ea1d529aa3..253e2f939d5f 100644
--- a/fs/gfs2/bmap.c
+++ b/fs/gfs2/bmap.c
@@ -390,6 +390,19 @@ static int fillup_metapath(struct gfs2_inode *ip, struct metapath *mp, int h)
 	return mp->mp_aheight - x - 1;
 }
 
+static sector_t metapath_to_block(struct gfs2_sbd *sdp, struct metapath *mp)
+{
+	sector_t factor = 1, block = 0;
+	int hgt;
+
+	for (hgt = mp->mp_fheight - 1; hgt >= 0; hgt--) {
+		if (hgt < mp->mp_aheight)
+			block += mp->mp_list[hgt] * factor;
+		factor *= sdp->sd_inptrs;
+	}
+	return block;
+}
+
 static void release_metapath(struct metapath *mp)
 {
 	int i;
@@ -430,60 +443,84 @@ static inline unsigned int gfs2_extent_length(struct buffer_head *bh, __be64 *pt
 	return ptr - first;
 }
 
-typedef const __be64 *(*gfs2_metadata_walker)(
-		struct metapath *mp,
-		const __be64 *start, const __be64 *end,
-		u64 factor, void *data);
+enum walker_status { WALK_STOP, WALK_FOLLOW, WALK_CONTINUE };
 
-#define WALK_STOP ((__be64 *)0)
-#define WALK_NEXT ((__be64 *)1)
+/*
+ * gfs2_metadata_walker - walk an indirect block
+ * @mp: Metapath to indirect block
+ * @ptrs: Number of pointers to look at
+ *
+ * When returning WALK_FOLLOW, the walker must update @mp to point at the right
+ * indirect block to follow.
+ */
+typedef enum walker_status (*gfs2_metadata_walker)(struct metapath *mp,
+						   unsigned int ptrs);
 
-static int gfs2_walk_metadata(struct inode *inode, sector_t lblock,
-		u64 len, struct metapath *mp, gfs2_metadata_walker walker,
-		void *data)
+/*
+ * gfs2_walk_metadata - walk a tree of indirect blocks
+ * @inode: The inode
+ * @mp: Starting point of walk
+ * @max_len: Maximum number of blocks to walk
+ * @walker: Called during the walk
+ *
+ * Returns 1 if the walk was stopped by @walker, 0 if we went past @max_len or
+ * past the end of metadata, and a negative error code otherwise.
+ */
+
+static int gfs2_walk_metadata(struct inode *inode, struct metapath *mp,
+		u64 max_len, gfs2_metadata_walker walker)
 {
-	struct metapath clone;
 	struct gfs2_inode *ip = GFS2_I(inode);
 	struct gfs2_sbd *sdp = GFS2_SB(inode);
-	const __be64 *start, *end, *ptr;
 	u64 factor = 1;
 	unsigned int hgt;
-	int ret = 0;
+	int ret;
 
-	for (hgt = ip->i_height - 1; hgt >= mp->mp_aheight; hgt--)
+	/*
+	 * The walk starts in the lowest allocated indirect block, which may be
+	 * before the position indicated by @mp.  Adjust @max_len accordingly
+	 * to avoid a short walk.
+	 */
+	for (hgt = mp->mp_fheight - 1; hgt >= mp->mp_aheight; hgt--) {
+		max_len += mp->mp_list[hgt] * factor;
+		mp->mp_list[hgt] = 0;
 		factor *= sdp->sd_inptrs;
+	}
 
 	for (;;) {
-		u64 step;
+		u16 start = mp->mp_list[hgt];
+		enum walker_status status;
+		unsigned int ptrs;
+		u64 len;
 
 		/* Walk indirect block. */
-		start = metapointer(hgt, mp);
-		end = metaend(hgt, mp);
-
-		step = (end - start) * factor;
-		if (step > len)
-			end = start + DIV_ROUND_UP_ULL(len, factor);
-
-		ptr = walker(mp, start, end, factor, data);
-		if (ptr == WALK_STOP)
+		ptrs = (hgt >= 1 ? sdp->sd_inptrs : sdp->sd_diptrs) - start;
+		len = ptrs * factor;
+		if (len > max_len)
+			ptrs = DIV_ROUND_UP_ULL(max_len, factor);
+		status = walker(mp, ptrs);
+		switch (status) {
+		case WALK_STOP:
+			return 1;
+		case WALK_FOLLOW:
+			BUG_ON(mp->mp_aheight == mp->mp_fheight);
+			ptrs = mp->mp_list[hgt] - start;
+			len = ptrs * factor;
 			break;
-		if (step >= len)
+		case WALK_CONTINUE:
 			break;
-		len -= step;
-		if (ptr != WALK_NEXT) {
-			BUG_ON(!*ptr);
-			mp->mp_list[hgt] += ptr - start;
-			goto fill_up_metapath;
 		}
+		if (len >= max_len)
+			break;
+		max_len -= len;
+		if (status == WALK_FOLLOW)
+			goto fill_up_metapath;
 
 lower_metapath:
 		/* Decrease height of metapath. */
-		if (mp != &clone) {
-			clone_metapath(&clone, mp);
-			mp = &clone;
-		}
 		brelse(mp->mp_bh[hgt]);
 		mp->mp_bh[hgt] = NULL;
+		mp->mp_list[hgt] = 0;
 		if (!hgt)
 			break;
 		hgt--;
@@ -491,10 +528,7 @@ lower_metapath:
 
 		/* Advance in metadata tree. */
 		(mp->mp_list[hgt])++;
-		start = metapointer(hgt, mp);
-		end = metaend(hgt, mp);
-		if (start >= end) {
-			mp->mp_list[hgt] = 0;
+		if (mp->mp_list[hgt] >= sdp->sd_inptrs) {
 			if (!hgt)
 				break;
 			goto lower_metapath;
@@ -502,44 +536,36 @@ lower_metapath:
 
 fill_up_metapath:
 		/* Increase height of metapath. */
-		if (mp != &clone) {
-			clone_metapath(&clone, mp);
-			mp = &clone;
-		}
 		ret = fillup_metapath(ip, mp, ip->i_height - 1);
 		if (ret < 0)
-			break;
+			return ret;
 		hgt += ret;
 		for (; ret; ret--)
 			do_div(factor, sdp->sd_inptrs);
 		mp->mp_aheight = hgt + 1;
 	}
-	if (mp == &clone)
-		release_metapath(mp);
-	return ret;
+	return 0;
 }
 
-struct gfs2_hole_walker_args {
-	u64 blocks;
-};
-
-static const __be64 *gfs2_hole_walker(struct metapath *mp,
-		const __be64 *start, const __be64 *end,
-		u64 factor, void *data)
+static enum walker_status gfs2_hole_walker(struct metapath *mp,
+					   unsigned int ptrs)
 {
-	struct gfs2_hole_walker_args *args = data;
-	const __be64 *ptr;
+	const __be64 *start, *ptr, *end;
+	unsigned int hgt;
+
+	hgt = mp->mp_aheight - 1;
+	start = metapointer(hgt, mp);
+	end = start + ptrs;
 
 	for (ptr = start; ptr < end; ptr++) {
 		if (*ptr) {
-			args->blocks += (ptr - start) * factor;
+			mp->mp_list[hgt] += ptr - start;
 			if (mp->mp_aheight == mp->mp_fheight)
 				return WALK_STOP;
-			return ptr;  /* increase height */
+			return WALK_FOLLOW;
 		}
 	}
-	args->blocks += (end - start) * factor;
-	return WALK_NEXT;
+	return WALK_CONTINUE;
 }
 
 /**
@@ -557,12 +583,24 @@ static const __be64 *gfs2_hole_walker(struct metapath *mp,
 static int gfs2_hole_size(struct inode *inode, sector_t lblock, u64 len,
 			  struct metapath *mp, struct iomap *iomap)
 {
-	struct gfs2_hole_walker_args args = { };
-	int ret = 0;
+	struct metapath clone;
+	u64 hole_size;
+	int ret;
 
-	ret = gfs2_walk_metadata(inode, lblock, len, mp, gfs2_hole_walker, &args);
-	if (!ret)
-		iomap->length = args.blocks << inode->i_blkbits;
+	clone_metapath(&clone, mp);
+	ret = gfs2_walk_metadata(inode, &clone, len, gfs2_hole_walker);
+	if (ret < 0)
+		goto out;
+
+	if (ret == 1)
+		hole_size = metapath_to_block(GFS2_SB(inode), &clone) - lblock;
+	else
+		hole_size = len;
+	iomap->length = hole_size << inode->i_blkbits;
+	ret = 0;
+
+out:
+	release_metapath(&clone);
 	return ret;
 }
 
diff --git a/fs/nfs/delegation.c b/fs/nfs/delegation.c
index 0ff3facf81da..0af854cce8ff 100644
--- a/fs/nfs/delegation.c
+++ b/fs/nfs/delegation.c
@@ -153,7 +153,7 @@ again:
 		/* Block nfs4_proc_unlck */
 		mutex_lock(&sp->so_delegreturn_mutex);
 		seq = raw_seqcount_begin(&sp->so_reclaim_seqcount);
-		err = nfs4_open_delegation_recall(ctx, state, stateid, type);
+		err = nfs4_open_delegation_recall(ctx, state, stateid);
 		if (!err)
 			err = nfs_delegation_claim_locks(state, stateid);
 		if (!err && read_seqcount_retry(&sp->so_reclaim_seqcount, seq))
diff --git a/fs/nfs/delegation.h b/fs/nfs/delegation.h
index 5799777df5ec..9eb87ae4c982 100644
--- a/fs/nfs/delegation.h
+++ b/fs/nfs/delegation.h
@@ -63,7 +63,7 @@ void nfs_reap_expired_delegations(struct nfs_client *clp);
 
 /* NFSv4 delegation-related procedures */
 int nfs4_proc_delegreturn(struct inode *inode, const struct cred *cred, const nfs4_stateid *stateid, int issync);
-int nfs4_open_delegation_recall(struct nfs_open_context *ctx, struct nfs4_state *state, const nfs4_stateid *stateid, fmode_t type);
+int nfs4_open_delegation_recall(struct nfs_open_context *ctx, struct nfs4_state *state, const nfs4_stateid *stateid);
 int nfs4_lock_delegation_recall(struct file_lock *fl, struct nfs4_state *state, const nfs4_stateid *stateid);
 bool nfs4_copy_delegation_stateid(struct inode *inode, fmode_t flags, nfs4_stateid *dst, const struct cred **cred);
 bool nfs4_refresh_delegation_stateid(nfs4_stateid *dst, struct inode *inode);
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 6418cb6c079b..63edda145d1b 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -1878,8 +1878,9 @@ _nfs4_opendata_reclaim_to_nfs4_state(struct nfs4_opendata *data)
 	if (data->o_res.delegation_type != 0)
 		nfs4_opendata_check_deleg(data, state);
 update:
-	update_open_stateid(state, &data->o_res.stateid, NULL,
-			    data->o_arg.fmode);
+	if (!update_open_stateid(state, &data->o_res.stateid,
+				NULL, data->o_arg.fmode))
+		return ERR_PTR(-EAGAIN);
 	refcount_inc(&state->count);
 
 	return state;
@@ -1944,8 +1945,11 @@ _nfs4_opendata_to_nfs4_state(struct nfs4_opendata *data)
 
 	if (data->o_res.delegation_type != 0)
 		nfs4_opendata_check_deleg(data, state);
-	update_open_stateid(state, &data->o_res.stateid, NULL,
-			data->o_arg.fmode);
+	if (!update_open_stateid(state, &data->o_res.stateid,
+				NULL, data->o_arg.fmode)) {
+		nfs4_put_open_state(state);
+		state = ERR_PTR(-EAGAIN);
+	}
 out:
 	nfs_release_seqid(data->o_arg.seqid);
 	return state;
@@ -2148,12 +2152,10 @@ static int nfs4_handle_delegation_recall_error(struct nfs_server *server, struct
 		case -NFS4ERR_BAD_HIGH_SLOT:
 		case -NFS4ERR_CONN_NOT_BOUND_TO_SESSION:
 		case -NFS4ERR_DEADSESSION:
-			set_bit(NFS_DELEGATED_STATE, &state->flags);
 			nfs4_schedule_session_recovery(server->nfs_client->cl_session, err);
 			return -EAGAIN;
 		case -NFS4ERR_STALE_CLIENTID:
 		case -NFS4ERR_STALE_STATEID:
-			set_bit(NFS_DELEGATED_STATE, &state->flags);
 			/* Don't recall a delegation if it was lost */
 			nfs4_schedule_lease_recovery(server->nfs_client);
 			return -EAGAIN;
@@ -2174,7 +2176,6 @@ static int nfs4_handle_delegation_recall_error(struct nfs_server *server, struct
 			return -EAGAIN;
 		case -NFS4ERR_DELAY:
 		case -NFS4ERR_GRACE:
-			set_bit(NFS_DELEGATED_STATE, &state->flags);
 			ssleep(1);
 			return -EAGAIN;
 		case -ENOMEM:
@@ -2190,8 +2191,7 @@ static int nfs4_handle_delegation_recall_error(struct nfs_server *server, struct
 }
 
 int nfs4_open_delegation_recall(struct nfs_open_context *ctx,
-		struct nfs4_state *state, const nfs4_stateid *stateid,
-		fmode_t type)
+		struct nfs4_state *state, const nfs4_stateid *stateid)
 {
 	struct nfs_server *server = NFS_SERVER(state->inode);
 	struct nfs4_opendata *opendata;
@@ -2202,20 +2202,23 @@ int nfs4_open_delegation_recall(struct nfs_open_context *ctx,
 	if (IS_ERR(opendata))
 		return PTR_ERR(opendata);
 	nfs4_stateid_copy(&opendata->o_arg.u.delegation, stateid);
-	nfs_state_clear_delegation(state);
-	switch (type & (FMODE_READ|FMODE_WRITE)) {
-	case FMODE_READ|FMODE_WRITE:
-	case FMODE_WRITE:
+	if (!test_bit(NFS_O_RDWR_STATE, &state->flags)) {
 		err = nfs4_open_recover_helper(opendata, FMODE_READ|FMODE_WRITE);
 		if (err)
-			break;
+			goto out;
+	}
+	if (!test_bit(NFS_O_WRONLY_STATE, &state->flags)) {
 		err = nfs4_open_recover_helper(opendata, FMODE_WRITE);
 		if (err)
-			break;
-		/* Fall through */
-	case FMODE_READ:
+			goto out;
+	}
+	if (!test_bit(NFS_O_RDONLY_STATE, &state->flags)) {
 		err = nfs4_open_recover_helper(opendata, FMODE_READ);
+		if (err)
+			goto out;
 	}
+	nfs_state_clear_delegation(state);
+out:
 	nfs4_opendata_put(opendata);
 	return nfs4_handle_delegation_recall_error(server, state, stateid, NULL, err);
 }
@@ -3172,7 +3175,7 @@ static int _nfs4_do_setattr(struct inode *inode,
 
 	if (nfs4_copy_delegation_stateid(inode, FMODE_WRITE, &arg->stateid, &delegation_cred)) {
 		/* Use that stateid */
-	} else if (ctx != NULL) {
+	} else if (ctx != NULL && ctx->state) {
 		struct nfs_lock_context *l_ctx;
 		if (!nfs4_valid_open_stateid(ctx->state))
 			return -EBADF;
diff --git a/include/kvm/arm_vgic.h b/include/kvm/arm_vgic.h
index 46bbc949c20a..7a30524a80ee 100644
--- a/include/kvm/arm_vgic.h
+++ b/include/kvm/arm_vgic.h
@@ -350,6 +350,7 @@ int kvm_vgic_vcpu_pending_irq(struct kvm_vcpu *vcpu);
 
 void kvm_vgic_load(struct kvm_vcpu *vcpu);
 void kvm_vgic_put(struct kvm_vcpu *vcpu);
+void kvm_vgic_vmcr_sync(struct kvm_vcpu *vcpu);
 
 #define irqchip_in_kernel(k)	(!!((k)->arch.vgic.in_kernel))
 #define vgic_initialized(k)	((k)->arch.vgic.initialized)
diff --git a/include/linux/ccp.h b/include/linux/ccp.h
index 55cb455cfcb0..a5dfbaf2470d 100644
--- a/include/linux/ccp.h
+++ b/include/linux/ccp.h
@@ -170,6 +170,8 @@ struct ccp_aes_engine {
 	enum ccp_aes_mode mode;
 	enum ccp_aes_action action;
 
+	u32 authsize;
+
 	struct scatterlist *key;
 	u32 key_len;		/* In bytes */
 
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index d1ad38a3f048..7546cbf3dfb0 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -871,6 +871,7 @@ void kvm_arch_check_processor_compat(void *rtn);
 int kvm_arch_vcpu_runnable(struct kvm_vcpu *vcpu);
 bool kvm_arch_vcpu_in_kernel(struct kvm_vcpu *vcpu);
 int kvm_arch_vcpu_should_kick(struct kvm_vcpu *vcpu);
+bool kvm_arch_dy_runnable(struct kvm_vcpu *vcpu);
 
 #ifndef __KVM_HAVE_ARCH_VM_ALLOC
 /*
diff --git a/include/sound/compress_driver.h b/include/sound/compress_driver.h
index c5188ff724d1..bc88d6f964da 100644
--- a/include/sound/compress_driver.h
+++ b/include/sound/compress_driver.h
@@ -173,10 +173,7 @@ static inline void snd_compr_drain_notify(struct snd_compr_stream *stream)
 	if (snd_BUG_ON(!stream))
 		return;
 
-	if (stream->direction == SND_COMPRESS_PLAYBACK)
-		stream->runtime->state = SNDRV_PCM_STATE_SETUP;
-	else
-		stream->runtime->state = SNDRV_PCM_STATE_PREPARED;
+	stream->runtime->state = SNDRV_PCM_STATE_SETUP;
 
 	wake_up(&stream->runtime->sleep);
 }
diff --git a/include/uapi/linux/nl80211.h b/include/uapi/linux/nl80211.h
index 6f09d1500960..70da1c6cdd07 100644
--- a/include/uapi/linux/nl80211.h
+++ b/include/uapi/linux/nl80211.h
@@ -2844,7 +2844,7 @@ enum nl80211_attrs {
 #define NL80211_HT_CAPABILITY_LEN		26
 #define NL80211_VHT_CAPABILITY_LEN		12
 #define NL80211_HE_MIN_CAPABILITY_LEN           16
-#define NL80211_HE_MAX_CAPABILITY_LEN           51
+#define NL80211_HE_MAX_CAPABILITY_LEN           54
 #define NL80211_MAX_NR_CIPHER_SUITES		5
 #define NL80211_MAX_NR_AKM_SUITES		2
 
diff --git a/kernel/events/core.c b/kernel/events/core.c
index f851934d55d4..4bc15cff1026 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -11266,7 +11266,7 @@ perf_event_create_kernel_counter(struct perf_event_attr *attr, int cpu,
 		goto err_unlock;
 	}
 
-	perf_install_in_context(ctx, event, cpu);
+	perf_install_in_context(ctx, event, event->cpu);
 	perf_unpin_context(ctx);
 	mutex_unlock(&ctx->mutex);
 
diff --git a/kernel/irq/affinity.c b/kernel/irq/affinity.c
index f18cd5aa33e8..656c14333613 100644
--- a/kernel/irq/affinity.c
+++ b/kernel/irq/affinity.c
@@ -253,11 +253,9 @@ irq_create_affinity_masks(unsigned int nvecs, struct irq_affinity *affd)
 	 * Determine the number of vectors which need interrupt affinities
 	 * assigned. If the pre/post request exhausts the available vectors
 	 * then nothing to do here except for invoking the calc_sets()
-	 * callback so the device driver can adjust to the situation. If there
-	 * is only a single vector, then managing the queue is pointless as
-	 * well.
+	 * callback so the device driver can adjust to the situation.
 	 */
-	if (nvecs > 1 && nvecs > affd->pre_vectors + affd->post_vectors)
+	if (nvecs > affd->pre_vectors + affd->post_vectors)
 		affvecs = nvecs - affd->pre_vectors - affd->post_vectors;
 	else
 		affvecs = 0;
diff --git a/lib/test_firmware.c b/lib/test_firmware.c
index 83ea6c4e623c..6ca97a63b3d6 100644
--- a/lib/test_firmware.c
+++ b/lib/test_firmware.c
@@ -886,8 +886,11 @@ static int __init test_firmware_init(void)
 		return -ENOMEM;
 
 	rc = __test_firmware_config_init();
-	if (rc)
+	if (rc) {
+		kfree(test_fw_config);
+		pr_err("could not init firmware test config: %d\n", rc);
 		return rc;
+	}
 
 	rc = misc_register(&test_fw_misc_device);
 	if (rc) {
diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 0f76cca32a1c..080d30408ce3 100644
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -1213,6 +1213,12 @@ static bool __purge_vmap_area_lazy(unsigned long start, unsigned long end)
 	if (unlikely(valist == NULL))
 		return false;
 
+	/*
+	 * First make sure the mappings are removed from all page-tables
+	 * before they are freed.
+	 */
+	vmalloc_sync_all();
+
 	/*
 	 * TODO: to calculate a flush range without looping.
 	 * The list can be up to lazy_max_pages() elements.
@@ -3001,6 +3007,9 @@ EXPORT_SYMBOL(remap_vmalloc_range);
 /*
  * Implement a stub for vmalloc_sync_all() if the architecture chose not to
  * have one.
+ *
+ * The purpose of this function is to make sure the vmalloc area
+ * mappings are identical in all page-tables in the system.
  */
 void __weak vmalloc_sync_all(void)
 {
diff --git a/net/ipv4/netfilter/ipt_rpfilter.c b/net/ipv4/netfilter/ipt_rpfilter.c
index 59031670b16a..cc23f1ce239c 100644
--- a/net/ipv4/netfilter/ipt_rpfilter.c
+++ b/net/ipv4/netfilter/ipt_rpfilter.c
@@ -78,6 +78,7 @@ static bool rpfilter_mt(const struct sk_buff *skb, struct xt_action_param *par)
 	flow.flowi4_mark = info->flags & XT_RPFILTER_VALID_MARK ? skb->mark : 0;
 	flow.flowi4_tos = RT_TOS(iph->tos);
 	flow.flowi4_scope = RT_SCOPE_UNIVERSE;
+	flow.flowi4_oif = l3mdev_master_ifindex_rcu(xt_in(par));
 
 	return rpfilter_lookup_reverse(xt_net(par), &flow, xt_in(par), info->flags) ^ invert;
 }
diff --git a/net/ipv6/netfilter/ip6t_rpfilter.c b/net/ipv6/netfilter/ip6t_rpfilter.c
index 6bcaf7357183..d800801a5dd2 100644
--- a/net/ipv6/netfilter/ip6t_rpfilter.c
+++ b/net/ipv6/netfilter/ip6t_rpfilter.c
@@ -55,7 +55,9 @@ static bool rpfilter_lookup_reverse6(struct net *net, const struct sk_buff *skb,
 	if (rpfilter_addr_linklocal(&iph->saddr)) {
 		lookup_flags |= RT6_LOOKUP_F_IFACE;
 		fl6.flowi6_oif = dev->ifindex;
-	} else if ((flags & XT_RPFILTER_LOOSE) == 0)
+	/* Set flowi6_oif for vrf devices to lookup route in l3mdev domain. */
+	} else if (netif_is_l3_master(dev) || netif_is_l3_slave(dev) ||
+		  (flags & XT_RPFILTER_LOOSE) == 0)
 		fl6.flowi6_oif = dev->ifindex;
 
 	rt = (void *)ip6_route_lookup(net, &fl6, skb, lookup_flags);
@@ -70,7 +72,9 @@ static bool rpfilter_lookup_reverse6(struct net *net, const struct sk_buff *skb,
 		goto out;
 	}
 
-	if (rt->rt6i_idev->dev == dev || (flags & XT_RPFILTER_LOOSE))
+	if (rt->rt6i_idev->dev == dev ||
+	    l3mdev_master_ifindex_rcu(rt->rt6i_idev->dev) == dev->ifindex ||
+	    (flags & XT_RPFILTER_LOOSE))
 		ret = true;
  out:
 	ip6_rt_put(rt);
diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c
index a1973a26c7fc..b8288125e05d 100644
--- a/net/mac80211/cfg.c
+++ b/net/mac80211/cfg.c
@@ -935,8 +935,10 @@ static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
 
 	err = ieee80211_set_probe_resp(sdata, params->probe_resp,
 				       params->probe_resp_len, csa);
-	if (err < 0)
+	if (err < 0) {
+		kfree(new);
 		return err;
+	}
 	if (err == 0)
 		changed |= BSS_CHANGED_AP_PROBE_RESP;
 
@@ -948,8 +950,10 @@ static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
 							 params->civicloc,
 							 params->civicloc_len);
 
-		if (err < 0)
+		if (err < 0) {
+			kfree(new);
 			return err;
+		}
 
 		changed |= BSS_CHANGED_FTM_RESPONDER;
 	}
diff --git a/net/mac80211/driver-ops.c b/net/mac80211/driver-ops.c
index acd4afb4944b..c9a8a2433e8a 100644
--- a/net/mac80211/driver-ops.c
+++ b/net/mac80211/driver-ops.c
@@ -187,11 +187,16 @@ int drv_conf_tx(struct ieee80211_local *local,
 	if (!check_sdata_in_driver(sdata))
 		return -EIO;
 
-	if (WARN_ONCE(params->cw_min == 0 ||
-		      params->cw_min > params->cw_max,
-		      "%s: invalid CW_min/CW_max: %d/%d\n",
-		      sdata->name, params->cw_min, params->cw_max))
+	if (params->cw_min == 0 || params->cw_min > params->cw_max) {
+		/*
+		 * If we can't configure hardware anyway, don't warn. We may
+		 * never have initialized the CW parameters.
+		 */
+		WARN_ONCE(local->ops->conf_tx,
+			  "%s: invalid CW_min/CW_max: %d/%d\n",
+			  sdata->name, params->cw_min, params->cw_max);
 		return -EINVAL;
+	}
 
 	trace_drv_conf_tx(local, sdata, ac, params);
 	if (local->ops->conf_tx)
diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c
index 379d2ab6d327..36b60f39930b 100644
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -2041,6 +2041,16 @@ ieee80211_sta_wmm_params(struct ieee80211_local *local,
 		ieee80211_regulatory_limit_wmm_params(sdata, &params[ac], ac);
 	}
 
+	/* WMM specification requires all 4 ACIs. */
+	for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
+		if (params[ac].cw_min == 0) {
+			sdata_info(sdata,
+				   "AP has invalid WMM params (missing AC %d), using defaults\n",
+				   ac);
+			return false;
+		}
+	}
+
 	for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
 		mlme_dbg(sdata,
 			 "WMM AC=%d acm=%d aifs=%d cWmin=%d cWmax=%d txop=%d uapsd=%d, downgraded=%d\n",
diff --git a/net/netfilter/nf_conntrack_proto_tcp.c b/net/netfilter/nf_conntrack_proto_tcp.c
index 1e2cc83ff5da..ae1f8c6b3a97 100644
--- a/net/netfilter/nf_conntrack_proto_tcp.c
+++ b/net/netfilter/nf_conntrack_proto_tcp.c
@@ -472,6 +472,7 @@ static bool tcp_in_window(const struct nf_conn *ct,
 	struct ip_ct_tcp_state *receiver = &state->seen[!dir];
 	const struct nf_conntrack_tuple *tuple = &ct->tuplehash[dir].tuple;
 	__u32 seq, ack, sack, end, win, swin;
+	u16 win_raw;
 	s32 receiver_offset;
 	bool res, in_recv_win;
 
@@ -480,7 +481,8 @@ static bool tcp_in_window(const struct nf_conn *ct,
 	 */
 	seq = ntohl(tcph->seq);
 	ack = sack = ntohl(tcph->ack_seq);
-	win = ntohs(tcph->window);
+	win_raw = ntohs(tcph->window);
+	win = win_raw;
 	end = segment_seq_plus_len(seq, skb->len, dataoff, tcph);
 
 	if (receiver->flags & IP_CT_TCP_FLAG_SACK_PERM)
@@ -655,14 +657,14 @@ static bool tcp_in_window(const struct nf_conn *ct,
 			    && state->last_seq == seq
 			    && state->last_ack == ack
 			    && state->last_end == end
-			    && state->last_win == win)
+			    && state->last_win == win_raw)
 				state->retrans++;
 			else {
 				state->last_dir = dir;
 				state->last_seq = seq;
 				state->last_ack = ack;
 				state->last_end = end;
-				state->last_win = win;
+				state->last_win = win_raw;
 				state->retrans = 0;
 			}
 		}
diff --git a/net/netfilter/nfnetlink.c b/net/netfilter/nfnetlink.c
index 92077d459109..4abbb452cf6c 100644
--- a/net/netfilter/nfnetlink.c
+++ b/net/netfilter/nfnetlink.c
@@ -578,7 +578,7 @@ static int nfnetlink_bind(struct net *net, int group)
 	ss = nfnetlink_get_subsys(type << 8);
 	rcu_read_unlock();
 	if (!ss)
-		request_module("nfnetlink-subsys-%d", type);
+		request_module_nowait("nfnetlink-subsys-%d", type);
 	return 0;
 }
 #endif
diff --git a/net/netfilter/nft_chain_nat.c b/net/netfilter/nft_chain_nat.c
index 2f89bde3c61c..ff9ac8ae0031 100644
--- a/net/netfilter/nft_chain_nat.c
+++ b/net/netfilter/nft_chain_nat.c
@@ -142,3 +142,6 @@ MODULE_ALIAS_NFT_CHAIN(AF_INET, "nat");
 #ifdef CONFIG_NF_TABLES_IPV6
 MODULE_ALIAS_NFT_CHAIN(AF_INET6, "nat");
 #endif
+#ifdef CONFIG_NF_TABLES_INET
+MODULE_ALIAS_NFT_CHAIN(1, "nat");	/* NFPROTO_INET */
+#endif
diff --git a/net/netfilter/nft_hash.c b/net/netfilter/nft_hash.c
index fe93e731dc7f..b836d550b919 100644
--- a/net/netfilter/nft_hash.c
+++ b/net/netfilter/nft_hash.c
@@ -129,7 +129,7 @@ static int nft_symhash_init(const struct nft_ctx *ctx,
 	priv->dreg = nft_parse_register(tb[NFTA_HASH_DREG]);
 
 	priv->modulus = ntohl(nla_get_be32(tb[NFTA_HASH_MODULUS]));
-	if (priv->modulus <= 1)
+	if (priv->modulus < 1)
 		return -ERANGE;
 
 	if (priv->offset + priv->modulus - 1 < priv->offset)
diff --git a/net/netfilter/nft_redir.c b/net/netfilter/nft_redir.c
index 8487eeff5c0e..43eeb1f609f1 100644
--- a/net/netfilter/nft_redir.c
+++ b/net/netfilter/nft_redir.c
@@ -291,4 +291,4 @@ module_exit(nft_redir_module_exit);
 
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Arturo Borrero Gonzalez <arturo@debian.org>");
-MODULE_ALIAS_NFT_EXPR("nat");
+MODULE_ALIAS_NFT_EXPR("redir");
diff --git a/scripts/gen_compile_commands.py b/scripts/gen_compile_commands.py
index 7915823b92a5..c458696ef3a7 100755
--- a/scripts/gen_compile_commands.py
+++ b/scripts/gen_compile_commands.py
@@ -21,9 +21,9 @@ _LINE_PATTERN = r'^cmd_[^ ]*\.o := (.* )([^ ]*\.c)$'
 _VALID_LOG_LEVELS = ['DEBUG', 'INFO', 'WARNING', 'ERROR', 'CRITICAL']
 
 # A kernel build generally has over 2000 entries in its compile_commands.json
-# database. If this code finds 500 or fewer, then warn the user that they might
+# database. If this code finds 300 or fewer, then warn the user that they might
 # not have all the .cmd files, and they might need to compile the kernel.
-_LOW_COUNT_THRESHOLD = 500
+_LOW_COUNT_THRESHOLD = 300
 
 
 def parse_arguments():
diff --git a/scripts/sphinx-pre-install b/scripts/sphinx-pre-install
index 9be208db88d3..1f9f0a334c24 100755
--- a/scripts/sphinx-pre-install
+++ b/scripts/sphinx-pre-install
@@ -77,6 +77,17 @@ sub check_missing(%)
 	foreach my $prog (sort keys %missing) {
 		my $is_optional = $missing{$prog};
 
+		# At least on some LTS distros like CentOS 7, texlive doesn't
+		# provide all packages we need. When such distros are
+		# detected, we have to disable PDF output.
+		#
+		# So, we need to ignore the packages that distros would
+		# need for LaTeX to work
+		if ($is_optional == 2 && !$pdf) {
+			$optional--;
+			next;
+		}
+
 		if ($is_optional) {
 			print "Warning: better to also install \"$prog\".\n";
 		} else {
@@ -326,10 +337,10 @@ sub give_debian_hints()
 
 	if ($pdf) {
 		check_missing_file("/usr/share/fonts/truetype/dejavu/DejaVuSans.ttf",
-				   "fonts-dejavu", 1);
+				   "fonts-dejavu", 2);
 	}
 
-	check_program("dvipng", 1) if ($pdf);
+	check_program("dvipng", 2) if ($pdf);
 	check_missing(\%map);
 
 	return if (!$need && !$optional);
@@ -364,22 +375,40 @@ sub give_redhat_hints()
 	#
 	# Checks valid for RHEL/CentOS version 7.x.
 	#
-	if (! $system_release =~ /Fedora/) {
+	my $old = 0;
+	my $rel;
+	$rel = $1 if ($system_release =~ /release\s+(\d+)/);
+
+	if (!($system_release =~ /Fedora/)) {
 		$map{"virtualenv"} = "python-virtualenv";
-	}
 
-	my $release;
+		if ($rel && $rel < 8) {
+			$old = 1;
+			$pdf = 0;
 
-	$release = $1 if ($system_release =~ /Fedora\s+release\s+(\d+)/);
+			printf("Note: texlive packages on RHEL/CENTOS <= 7 are incomplete. Can't support PDF output\n");
+			printf("If you want to build PDF, please read:\n");
+			printf("\thttps://www.systutorials.com/241660/how-to-install-tex-live-on-centos-7-linux/\n");
+		}
+	} else {
+		if ($rel && $rel < 26) {
+			$old = 1;
+		}
+	}
+	if (!$rel) {
+		printf("Couldn't identify release number\n");
+		$old = 1;
+		$pdf = 0;
+	}
 
-	check_rpm_missing(\@fedora26_opt_pkgs, 1) if ($pdf && $release >= 26);
-	check_rpm_missing(\@fedora_tex_pkgs, 1) if ($pdf);
-	check_missing_tex(1) if ($pdf);
+	check_rpm_missing(\@fedora26_opt_pkgs, 2) if ($pdf && !$old);
+	check_rpm_missing(\@fedora_tex_pkgs, 2) if ($pdf);
+	check_missing_tex(2) if ($pdf);
 	check_missing(\%map);
 
 	return if (!$need && !$optional);
 
-	if ($release >= 18) {
+	if (!$old) {
 		# dnf, for Fedora 18+
 		printf("You should run:\n\n\tsudo dnf install -y $install\n");
 	} else {
@@ -418,8 +447,10 @@ sub give_opensuse_hints()
 		"texlive-zapfding",
 	);
 
-	check_rpm_missing(\@suse_tex_pkgs, 1) if ($pdf);
-	check_missing_tex(1) if ($pdf);
+	$map{"latexmk"} = "texlive-latexmk-bin";
+
+	check_rpm_missing(\@suse_tex_pkgs, 2) if ($pdf);
+	check_missing_tex(2) if ($pdf);
 	check_missing(\%map);
 
 	return if (!$need && !$optional);
@@ -443,7 +474,9 @@ sub give_mageia_hints()
 		"texlive-fontsextra",
 	);
 
-	check_rpm_missing(\@tex_pkgs, 1) if ($pdf);
+	$map{"latexmk"} = "texlive-collection-basic";
+
+	check_rpm_missing(\@tex_pkgs, 2) if ($pdf);
 	check_missing(\%map);
 
 	return if (!$need && !$optional);
@@ -466,7 +499,8 @@ sub give_arch_linux_hints()
 		"texlive-latexextra",
 		"ttf-dejavu",
 	);
-	check_pacman_missing(\@archlinux_tex_pkgs, 1) if ($pdf);
+	check_pacman_missing(\@archlinux_tex_pkgs, 2) if ($pdf);
+
 	check_missing(\%map);
 
 	return if (!$need && !$optional);
@@ -485,7 +519,7 @@ sub give_gentoo_hints()
 	);
 
 	check_missing_file("/usr/share/fonts/dejavu/DejaVuSans.ttf",
-			   "media-fonts/dejavu", 1) if ($pdf);
+			   "media-fonts/dejavu", 2) if ($pdf);
 
 	check_missing(\%map);
 
@@ -553,7 +587,7 @@ sub check_distros()
 	my %map = (
 		"sphinx-build" => "sphinx"
 	);
-	check_missing_tex(1) if ($pdf);
+	check_missing_tex(2) if ($pdf);
 	check_missing(\%map);
 	print "I don't know distro $system_release.\n";
 	print "So, I can't provide you a hint with the install procedure.\n";
@@ -591,11 +625,13 @@ sub check_needs()
 	check_program("make", 0);
 	check_program("gcc", 0);
 	check_python_module("sphinx_rtd_theme", 1) if (!$virtualenv);
-	check_program("xelatex", 1) if ($pdf);
 	check_program("dot", 1);
 	check_program("convert", 1);
-	check_program("rsvg-convert", 1) if ($pdf);
-	check_program("latexmk", 1) if ($pdf);
+
+	# Extra PDF files - should use 2 for is_optional
+	check_program("xelatex", 2) if ($pdf);
+	check_program("rsvg-convert", 2) if ($pdf);
+	check_program("latexmk", 2) if ($pdf);
 
 	check_distros();
 
diff --git a/sound/core/compress_offload.c b/sound/core/compress_offload.c
index 99b882158705..41905afada63 100644
--- a/sound/core/compress_offload.c
+++ b/sound/core/compress_offload.c
@@ -574,10 +574,7 @@ snd_compr_set_params(struct snd_compr_stream *stream, unsigned long arg)
 		stream->metadata_set = false;
 		stream->next_track = false;
 
-		if (stream->direction == SND_COMPRESS_PLAYBACK)
-			stream->runtime->state = SNDRV_PCM_STATE_SETUP;
-		else
-			stream->runtime->state = SNDRV_PCM_STATE_PREPARED;
+		stream->runtime->state = SNDRV_PCM_STATE_SETUP;
 	} else {
 		return -EPERM;
 	}
@@ -693,8 +690,17 @@ static int snd_compr_start(struct snd_compr_stream *stream)
 {
 	int retval;
 
-	if (stream->runtime->state != SNDRV_PCM_STATE_PREPARED)
+	switch (stream->runtime->state) {
+	case SNDRV_PCM_STATE_SETUP:
+		if (stream->direction != SND_COMPRESS_CAPTURE)
+			return -EPERM;
+		break;
+	case SNDRV_PCM_STATE_PREPARED:
+		break;
+	default:
 		return -EPERM;
+	}
+
 	retval = stream->ops->trigger(stream, SNDRV_PCM_TRIGGER_START);
 	if (!retval)
 		stream->runtime->state = SNDRV_PCM_STATE_RUNNING;
@@ -705,9 +711,15 @@ static int snd_compr_stop(struct snd_compr_stream *stream)
 {
 	int retval;
 
-	if (stream->runtime->state == SNDRV_PCM_STATE_PREPARED ||
-			stream->runtime->state == SNDRV_PCM_STATE_SETUP)
+	switch (stream->runtime->state) {
+	case SNDRV_PCM_STATE_OPEN:
+	case SNDRV_PCM_STATE_SETUP:
+	case SNDRV_PCM_STATE_PREPARED:
 		return -EPERM;
+	default:
+		break;
+	}
+
 	retval = stream->ops->trigger(stream, SNDRV_PCM_TRIGGER_STOP);
 	if (!retval) {
 		snd_compr_drain_notify(stream);
@@ -795,9 +807,17 @@ static int snd_compr_drain(struct snd_compr_stream *stream)
 {
 	int retval;
 
-	if (stream->runtime->state == SNDRV_PCM_STATE_PREPARED ||
-			stream->runtime->state == SNDRV_PCM_STATE_SETUP)
+	switch (stream->runtime->state) {
+	case SNDRV_PCM_STATE_OPEN:
+	case SNDRV_PCM_STATE_SETUP:
+	case SNDRV_PCM_STATE_PREPARED:
+	case SNDRV_PCM_STATE_PAUSED:
 		return -EPERM;
+	case SNDRV_PCM_STATE_XRUN:
+		return -EPIPE;
+	default:
+		break;
+	}
 
 	retval = stream->ops->trigger(stream, SND_COMPR_TRIGGER_DRAIN);
 	if (retval) {
@@ -817,6 +837,10 @@ static int snd_compr_next_track(struct snd_compr_stream *stream)
 	if (stream->runtime->state != SNDRV_PCM_STATE_RUNNING)
 		return -EPERM;
 
+	/* next track doesn't have any meaning for capture streams */
+	if (stream->direction == SND_COMPRESS_CAPTURE)
+		return -EPERM;
+
 	/* you can signal next track if this is intended to be a gapless stream
 	 * and current track metadata is set
 	 */
@@ -834,9 +858,23 @@ static int snd_compr_next_track(struct snd_compr_stream *stream)
 static int snd_compr_partial_drain(struct snd_compr_stream *stream)
 {
 	int retval;
-	if (stream->runtime->state == SNDRV_PCM_STATE_PREPARED ||
-			stream->runtime->state == SNDRV_PCM_STATE_SETUP)
+
+	switch (stream->runtime->state) {
+	case SNDRV_PCM_STATE_OPEN:
+	case SNDRV_PCM_STATE_SETUP:
+	case SNDRV_PCM_STATE_PREPARED:
+	case SNDRV_PCM_STATE_PAUSED:
+		return -EPERM;
+	case SNDRV_PCM_STATE_XRUN:
+		return -EPIPE;
+	default:
+		break;
+	}
+
+	/* partial drain doesn't have any meaning for capture streams */
+	if (stream->direction == SND_COMPRESS_CAPTURE)
 		return -EPERM;
+
 	/* stream can be drained only when next track has been signalled */
 	if (stream->next_track == false)
 		return -EPERM;
diff --git a/sound/firewire/packets-buffer.c b/sound/firewire/packets-buffer.c
index 0d35359d25cd..0ecafd0c6722 100644
--- a/sound/firewire/packets-buffer.c
+++ b/sound/firewire/packets-buffer.c
@@ -37,7 +37,7 @@ int iso_packets_buffer_init(struct iso_packets_buffer *b, struct fw_unit *unit,
 	packets_per_page = PAGE_SIZE / packet_size;
 	if (WARN_ON(!packets_per_page)) {
 		err = -EINVAL;
-		goto error;
+		goto err_packets;
 	}
 	pages = DIV_ROUND_UP(count, packets_per_page);
 
diff --git a/sound/pci/hda/hda_controller.c b/sound/pci/hda/hda_controller.c
index 232a1926758a..dd96def48a3a 100644
--- a/sound/pci/hda/hda_controller.c
+++ b/sound/pci/hda/hda_controller.c
@@ -598,11 +598,9 @@ static int azx_pcm_open(struct snd_pcm_substream *substream)
 	}
 	runtime->private_data = azx_dev;
 
-	if (chip->gts_present)
-		azx_pcm_hw.info = azx_pcm_hw.info |
-			SNDRV_PCM_INFO_HAS_LINK_SYNCHRONIZED_ATIME;
-
 	runtime->hw = azx_pcm_hw;
+	if (chip->gts_present)
+		runtime->hw.info |= SNDRV_PCM_INFO_HAS_LINK_SYNCHRONIZED_ATIME;
 	runtime->hw.channels_min = hinfo->channels_min;
 	runtime->hw.channels_max = hinfo->channels_max;
 	runtime->hw.formats = hinfo->formats;
@@ -615,6 +613,13 @@ static int azx_pcm_open(struct snd_pcm_substream *substream)
 				     20,
 				     178000000);
 
+	/* by some reason, the playback stream stalls on PulseAudio with
+	 * tsched=1 when a capture stream triggers.  Until we figure out the
+	 * real cause, disable tsched mode by telling the PCM info flag.
+	 */
+	if (chip->driver_caps & AZX_DCAPS_AMD_WORKAROUND)
+		runtime->hw.info |= SNDRV_PCM_INFO_BATCH;
+
 	if (chip->align_buffer_size)
 		/* constrain buffer sizes to be multiple of 128
 		   bytes. This is more efficient in terms of memory
diff --git a/sound/pci/hda/hda_controller.h b/sound/pci/hda/hda_controller.h
index 3aa5c957ffbf..863695d025af 100644
--- a/sound/pci/hda/hda_controller.h
+++ b/sound/pci/hda/hda_controller.h
@@ -31,7 +31,7 @@
 /* 14 unused */
 #define AZX_DCAPS_CTX_WORKAROUND (1 << 15)	/* X-Fi workaround */
 #define AZX_DCAPS_POSFIX_LPIB	(1 << 16)	/* Use LPIB as default */
-/* 17 unused */
+#define AZX_DCAPS_AMD_WORKAROUND (1 << 17)	/* AMD-specific workaround */
 #define AZX_DCAPS_NO_64BIT	(1 << 18)	/* No 64bit address */
 #define AZX_DCAPS_SYNC_WRITE	(1 << 19)	/* sync each cmd write */
 #define AZX_DCAPS_OLD_SSYNC	(1 << 20)	/* Old SSYNC reg for ICH */
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index d438c450f04d..fb8f452a1c78 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -64,6 +64,7 @@ enum {
 	POS_FIX_VIACOMBO,
 	POS_FIX_COMBO,
 	POS_FIX_SKL,
+	POS_FIX_FIFO,
 };
 
 /* Defines for ATI HD Audio support in SB450 south bridge */
@@ -135,7 +136,7 @@ module_param_array(model, charp, NULL, 0444);
 MODULE_PARM_DESC(model, "Use the given board model.");
 module_param_array(position_fix, int, NULL, 0444);
 MODULE_PARM_DESC(position_fix, "DMA pointer read method."
-		 "(-1 = system default, 0 = auto, 1 = LPIB, 2 = POSBUF, 3 = VIACOMBO, 4 = COMBO, 5 = SKL+).");
+		 "(-1 = system default, 0 = auto, 1 = LPIB, 2 = POSBUF, 3 = VIACOMBO, 4 = COMBO, 5 = SKL+, 6 = FIFO).");
 module_param_array(bdl_pos_adj, int, NULL, 0644);
 MODULE_PARM_DESC(bdl_pos_adj, "BDL position adjustment offset.");
 module_param_array(probe_mask, int, NULL, 0444);
@@ -332,6 +333,11 @@ enum {
 #define AZX_DCAPS_PRESET_ATI_HDMI_NS \
 	(AZX_DCAPS_PRESET_ATI_HDMI | AZX_DCAPS_SNOOP_OFF)
 
+/* quirks for AMD SB */
+#define AZX_DCAPS_PRESET_AMD_SB \
+	(AZX_DCAPS_NO_TCSEL | AZX_DCAPS_SYNC_WRITE | AZX_DCAPS_AMD_WORKAROUND |\
+	 AZX_DCAPS_SNOOP_TYPE(ATI) | AZX_DCAPS_PM_RUNTIME)
+
 /* quirks for Nvidia */
 #define AZX_DCAPS_PRESET_NVIDIA \
 	(AZX_DCAPS_NO_MSI | AZX_DCAPS_CORBRP_SELF_CLEAR |\
@@ -841,6 +847,49 @@ static unsigned int azx_via_get_position(struct azx *chip,
 	return bound_pos + mod_dma_pos;
 }
 
+#define AMD_FIFO_SIZE	32
+
+/* get the current DMA position with FIFO size correction */
+static unsigned int azx_get_pos_fifo(struct azx *chip, struct azx_dev *azx_dev)
+{
+	struct snd_pcm_substream *substream = azx_dev->core.substream;
+	struct snd_pcm_runtime *runtime = substream->runtime;
+	unsigned int pos, delay;
+
+	pos = snd_hdac_stream_get_pos_lpib(azx_stream(azx_dev));
+	if (!runtime)
+		return pos;
+
+	runtime->delay = AMD_FIFO_SIZE;
+	delay = frames_to_bytes(runtime, AMD_FIFO_SIZE);
+	if (azx_dev->insufficient) {
+		if (pos < delay) {
+			delay = pos;
+			runtime->delay = bytes_to_frames(runtime, pos);
+		} else {
+			azx_dev->insufficient = 0;
+		}
+	}
+
+	/* correct the DMA position for capture stream */
+	if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) {
+		if (pos < delay)
+			pos += azx_dev->core.bufsize;
+		pos -= delay;
+	}
+
+	return pos;
+}
+
+static int azx_get_delay_from_fifo(struct azx *chip, struct azx_dev *azx_dev,
+				   unsigned int pos)
+{
+	struct snd_pcm_substream *substream = azx_dev->core.substream;
+
+	/* just read back the calculated value in the above */
+	return substream->runtime->delay;
+}
+
 static unsigned int azx_skl_get_dpib_pos(struct azx *chip,
 					 struct azx_dev *azx_dev)
 {
@@ -1417,6 +1466,7 @@ static int check_position_fix(struct azx *chip, int fix)
 	case POS_FIX_VIACOMBO:
 	case POS_FIX_COMBO:
 	case POS_FIX_SKL:
+	case POS_FIX_FIFO:
 		return fix;
 	}
 
@@ -1433,6 +1483,10 @@ static int check_position_fix(struct azx *chip, int fix)
 		dev_dbg(chip->card->dev, "Using VIACOMBO position fix\n");
 		return POS_FIX_VIACOMBO;
 	}
+	if (chip->driver_caps & AZX_DCAPS_AMD_WORKAROUND) {
+		dev_dbg(chip->card->dev, "Using FIFO position fix\n");
+		return POS_FIX_FIFO;
+	}
 	if (chip->driver_caps & AZX_DCAPS_POSFIX_LPIB) {
 		dev_dbg(chip->card->dev, "Using LPIB position fix\n");
 		return POS_FIX_LPIB;
@@ -1453,6 +1507,7 @@ static void assign_position_fix(struct azx *chip, int fix)
 		[POS_FIX_VIACOMBO] = azx_via_get_position,
 		[POS_FIX_COMBO] = azx_get_pos_lpib,
 		[POS_FIX_SKL] = azx_get_pos_skl,
+		[POS_FIX_FIFO] = azx_get_pos_fifo,
 	};
 
 	chip->get_position[0] = chip->get_position[1] = callbacks[fix];
@@ -1467,6 +1522,9 @@ static void assign_position_fix(struct azx *chip, int fix)
 			azx_get_delay_from_lpib;
 	}
 
+	if (fix == POS_FIX_FIFO)
+		chip->get_delay[0] = chip->get_delay[1] =
+			azx_get_delay_from_fifo;
 }
 
 /*
@@ -2444,6 +2502,9 @@ static const struct pci_device_id azx_ids[] = {
 	/* AMD Hudson */
 	{ PCI_DEVICE(0x1022, 0x780d),
 	  .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_SB },
+	/* AMD, X370 & co */
+	{ PCI_DEVICE(0x1022, 0x1457),
+	  .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_AMD_SB },
 	/* AMD Stoney */
 	{ PCI_DEVICE(0x1022, 0x157a),
 	  .driver_data = AZX_DRIVER_GENERIC | AZX_DCAPS_PRESET_ATI_SB |
diff --git a/sound/sound_core.c b/sound/sound_core.c
index b730d97c4de6..90d118cd9164 100644
--- a/sound/sound_core.c
+++ b/sound/sound_core.c
@@ -275,7 +275,8 @@ retry:
 				goto retry;
 			}
 			spin_unlock(&sound_loader_lock);
-			return -EBUSY;
+			r = -EBUSY;
+			goto fail;
 		}
 	}
 
diff --git a/sound/usb/hiface/pcm.c b/sound/usb/hiface/pcm.c
index 14fc1e1d5d13..c406497c5919 100644
--- a/sound/usb/hiface/pcm.c
+++ b/sound/usb/hiface/pcm.c
@@ -600,14 +600,13 @@ int hiface_pcm_init(struct hiface_chip *chip, u8 extra_freq)
 		ret = hiface_pcm_init_urb(&rt->out_urbs[i], chip, OUT_EP,
 				    hiface_pcm_out_urb_handler);
 		if (ret < 0)
-			return ret;
+			goto error;
 	}
 
 	ret = snd_pcm_new(chip->card, "USB-SPDIF Audio", 0, 1, 0, &pcm);
 	if (ret < 0) {
-		kfree(rt);
 		dev_err(&chip->dev->dev, "Cannot create pcm instance\n");
-		return ret;
+		goto error;
 	}
 
 	pcm->private_data = rt;
@@ -620,4 +619,10 @@ int hiface_pcm_init(struct hiface_chip *chip, u8 extra_freq)
 
 	chip->pcm = rt;
 	return 0;
+
+error:
+	for (i = 0; i < PCM_N_URBS; i++)
+		kfree(rt->out_urbs[i].buffer);
+	kfree(rt);
+	return ret;
 }
diff --git a/sound/usb/stream.c b/sound/usb/stream.c
index 7ee9d17d0143..e852c7fd6109 100644
--- a/sound/usb/stream.c
+++ b/sound/usb/stream.c
@@ -1043,6 +1043,7 @@ found_clock:
 
 		pd = kzalloc(sizeof(*pd), GFP_KERNEL);
 		if (!pd) {
+			kfree(fp->chmap);
 			kfree(fp->rate_table);
 			kfree(fp);
 			return NULL;
diff --git a/tools/perf/arch/s390/util/machine.c b/tools/perf/arch/s390/util/machine.c
index a19690a17291..c8c86a0c9b79 100644
--- a/tools/perf/arch/s390/util/machine.c
+++ b/tools/perf/arch/s390/util/machine.c
@@ -6,8 +6,9 @@
 #include "machine.h"
 #include "api/fs/fs.h"
 #include "debug.h"
+#include "symbol.h"
 
-int arch__fix_module_text_start(u64 *start, const char *name)
+int arch__fix_module_text_start(u64 *start, u64 *size, const char *name)
 {
 	u64 m_start = *start;
 	char path[PATH_MAX];
@@ -17,7 +18,35 @@ int arch__fix_module_text_start(u64 *start, const char *name)
 	if (sysfs__read_ull(path, (unsigned long long *)start) < 0) {
 		pr_debug2("Using module %s start:%#lx\n", path, m_start);
 		*start = m_start;
+	} else {
+		/* Successful read of the modules segment text start address.
+		 * Calculate difference between module start address
+		 * in memory and module text segment start address.
+		 * For example module load address is 0x3ff8011b000
+		 * (from /proc/modules) and module text segment start
+		 * address is 0x3ff8011b870 (from file above).
+		 *
+		 * Adjust the module size and subtract the GOT table
+		 * size located at the beginning of the module.
+		 */
+		*size -= (*start - m_start);
 	}
 
 	return 0;
 }
+
+/* On s390 kernel text segment start is located at very low memory addresses,
+ * for example 0x10000. Modules are located at very high memory addresses,
+ * for example 0x3ff xxxx xxxx. The gap between end of kernel text segment
+ * and beginning of first module's text segment is very big.
+ * Therefore do not fill this gap and do not assign it to the kernel dso map.
+ */
+void arch__symbols__fixup_end(struct symbol *p, struct symbol *c)
+{
+	if (strchr(p->name, '[') == NULL && strchr(c->name, '['))
+		/* Last kernel symbol mapped to end of page */
+		p->end = roundup(p->end, page_size);
+	else
+		p->end = c->start;
+	pr_debug4("%s sym:%s end:%#lx\n", __func__, p->name, p->end);
+}
diff --git a/tools/perf/builtin-probe.c b/tools/perf/builtin-probe.c
index 8bb124e55c6d..2c376f5b2120 100644
--- a/tools/perf/builtin-probe.c
+++ b/tools/perf/builtin-probe.c
@@ -698,6 +698,16 @@ __cmd_probe(int argc, const char **argv)
 
 		ret = perf_add_probe_events(params.events, params.nevents);
 		if (ret < 0) {
+
+			/*
+			 * When perf_add_probe_events() fails it calls
+			 * cleanup_perf_probe_events(pevs, npevs), i.e.
+			 * cleanup_perf_probe_events(params.events, params.nevents), which
+			 * will call clear_perf_probe_event(), so set nevents to zero
+			 * to avoid cleanup_params() to call clear_perf_probe_event() again
+			 * on the same pevs.
+			 */
+			params.nevents = 0;
 			pr_err_with_code("  Error: Failed to add events.", ret);
 			return ret;
 		}
diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c
index d089eb706d18..4380474c8c35 100644
--- a/tools/perf/builtin-script.c
+++ b/tools/perf/builtin-script.c
@@ -1057,7 +1057,7 @@ static int perf_sample__fprintf_brstackinsn(struct perf_sample *sample,
 
 			printed += ip__fprintf_sym(ip, thread, x.cpumode, x.cpu, &lastsym, attr, fp);
 			if (ip == end) {
-				printed += ip__fprintf_jump(ip, &br->entries[i], &x, buffer + off, len - off, insn, fp,
+				printed += ip__fprintf_jump(ip, &br->entries[i], &x, buffer + off, len - off, ++insn, fp,
 							    &total_cycles);
 				if (PRINT_FIELD(SRCCODE))
 					printed += print_srccode(thread, x.cpumode, ip);
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index e28002d90573..c6c550dbb947 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -607,7 +607,13 @@ try_again:
 	 * group leaders.
 	 */
 	read_counters(&(struct timespec) { .tv_nsec = t1-t0 });
-	perf_evlist__close(evsel_list);
+
+	/*
+	 * We need to keep evsel_list alive, because it's processed
+	 * later the evsel_list will be closed after.
+	 */
+	if (!STAT_RECORD)
+		perf_evlist__close(evsel_list);
 
 	return WEXITSTATUS(status);
 }
@@ -1922,6 +1928,7 @@ int cmd_stat(int argc, const char **argv)
 			perf_session__write_header(perf_stat.session, evsel_list, fd, true);
 		}
 
+		perf_evlist__close(evsel_list);
 		perf_session__delete(perf_stat.session);
 	}
 
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index 2c46f9aa416c..b854541604df 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -1282,6 +1282,7 @@ static void perf_evsel__free_id(struct perf_evsel *evsel)
 	xyarray__delete(evsel->sample_id);
 	evsel->sample_id = NULL;
 	zfree(&evsel->id);
+	evsel->ids = 0;
 }
 
 static void perf_evsel__free_config_terms(struct perf_evsel *evsel)
@@ -2074,6 +2075,7 @@ void perf_evsel__close(struct perf_evsel *evsel)
 
 	perf_evsel__close_fd(evsel);
 	perf_evsel__free_fd(evsel);
+	perf_evsel__free_id(evsel);
 }
 
 int perf_evsel__open_per_cpu(struct perf_evsel *evsel,
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index b82d4577d969..e84b70be3fc1 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -3666,7 +3666,7 @@ int perf_event__process_feature(struct perf_session *session,
 		return 0;
 
 	ff.buf  = (void *)fe->data;
-	ff.size = event->header.size - sizeof(event->header);
+	ff.size = event->header.size - sizeof(*fe);
 	ff.ph = &session->header;
 
 	if (feat_ops[feat].process(&ff, NULL))
diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c
index dc7aafe45a2b..081fe4bdebaa 100644
--- a/tools/perf/util/machine.c
+++ b/tools/perf/util/machine.c
@@ -1365,6 +1365,7 @@ static int machine__set_modules_path(struct machine *machine)
 	return map_groups__set_modules_path_dir(&machine->kmaps, modules_path, 0);
 }
 int __weak arch__fix_module_text_start(u64 *start __maybe_unused,
+				u64 *size __maybe_unused,
 				const char *name __maybe_unused)
 {
 	return 0;
@@ -1376,7 +1377,7 @@ static int machine__create_module(void *arg, const char *name, u64 start,
 	struct machine *machine = arg;
 	struct map *map;
 
-	if (arch__fix_module_text_start(&start, name) < 0)
+	if (arch__fix_module_text_start(&start, &size, name) < 0)
 		return -1;
 
 	map = machine__findnew_module_map(machine, start, name);
diff --git a/tools/perf/util/machine.h b/tools/perf/util/machine.h
index f70ab98a7bde..7aa38da26427 100644
--- a/tools/perf/util/machine.h
+++ b/tools/perf/util/machine.h
@@ -222,7 +222,7 @@ struct symbol *machine__find_kernel_symbol_by_name(struct machine *machine,
 
 struct map *machine__findnew_module_map(struct machine *machine, u64 start,
 					const char *filename);
-int arch__fix_module_text_start(u64 *start, const char *name);
+int arch__fix_module_text_start(u64 *start, u64 *size, const char *name);
 
 int machine__load_kallsyms(struct machine *machine, const char *filename);
 
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c
index 2e61dd6a3574..d78984096044 100644
--- a/tools/perf/util/session.c
+++ b/tools/perf/util/session.c
@@ -36,10 +36,16 @@ static int perf_session__process_compressed_event(struct perf_session *session,
 	void *src;
 	size_t decomp_size, src_size;
 	u64 decomp_last_rem = 0;
-	size_t decomp_len = session->header.env.comp_mmap_len;
+	size_t mmap_len, decomp_len = session->header.env.comp_mmap_len;
 	struct decomp *decomp, *decomp_last = session->decomp_last;
 
-	decomp = mmap(NULL, sizeof(struct decomp) + decomp_len, PROT_READ|PROT_WRITE,
+	if (decomp_last) {
+		decomp_last_rem = decomp_last->size - decomp_last->head;
+		decomp_len += decomp_last_rem;
+	}
+
+	mmap_len = sizeof(struct decomp) + decomp_len;
+	decomp = mmap(NULL, mmap_len, PROT_READ|PROT_WRITE,
 		      MAP_ANONYMOUS|MAP_PRIVATE, -1, 0);
 	if (decomp == MAP_FAILED) {
 		pr_err("Couldn't allocate memory for decompression\n");
@@ -47,10 +53,10 @@ static int perf_session__process_compressed_event(struct perf_session *session,
 	}
 
 	decomp->file_pos = file_offset;
+	decomp->mmap_len = mmap_len;
 	decomp->head = 0;
 
-	if (decomp_last) {
-		decomp_last_rem = decomp_last->size - decomp_last->head;
+	if (decomp_last_rem) {
 		memcpy(decomp->data, &(decomp_last->data[decomp_last->head]), decomp_last_rem);
 		decomp->size = decomp_last_rem;
 	}
@@ -61,7 +67,7 @@ static int perf_session__process_compressed_event(struct perf_session *session,
 	decomp_size = zstd_decompress_stream(&(session->zstd_data), src, src_size,
 				&(decomp->data[decomp_last_rem]), decomp_len - decomp_last_rem);
 	if (!decomp_size) {
-		munmap(decomp, sizeof(struct decomp) + decomp_len);
+		munmap(decomp, mmap_len);
 		pr_err("Couldn't decompress data\n");
 		return -1;
 	}
@@ -255,15 +261,15 @@ static void perf_session__delete_threads(struct perf_session *session)
 static void perf_session__release_decomp_events(struct perf_session *session)
 {
 	struct decomp *next, *decomp;
-	size_t decomp_len;
+	size_t mmap_len;
 	next = session->decomp;
-	decomp_len = session->header.env.comp_mmap_len;
 	do {
 		decomp = next;
 		if (decomp == NULL)
 			break;
 		next = decomp->next;
-		munmap(decomp, decomp_len + sizeof(struct decomp));
+		mmap_len = decomp->mmap_len;
+		munmap(decomp, mmap_len);
 	} while (1);
 }
 
diff --git a/tools/perf/util/session.h b/tools/perf/util/session.h
index dd8920b745bc..863dbad87849 100644
--- a/tools/perf/util/session.h
+++ b/tools/perf/util/session.h
@@ -46,6 +46,7 @@ struct perf_session {
 struct decomp {
 	struct decomp *next;
 	u64 file_pos;
+	size_t mmap_len;
 	u64 head;
 	size_t size;
 	char data[];
diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index 5cbad55cd99d..3b49eb4e3ed9 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -91,6 +91,11 @@ static int prefix_underscores_count(const char *str)
 	return tail - str;
 }
 
+void __weak arch__symbols__fixup_end(struct symbol *p, struct symbol *c)
+{
+	p->end = c->start;
+}
+
 const char * __weak arch__normalize_symbol_name(const char *name)
 {
 	return name;
@@ -217,7 +222,7 @@ void symbols__fixup_end(struct rb_root_cached *symbols)
 		curr = rb_entry(nd, struct symbol, rb_node);
 
 		if (prev->end == prev->start && prev->end != curr->start)
-			prev->end = curr->start;
+			arch__symbols__fixup_end(prev, curr);
 	}
 
 	/* Last entry */
diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h
index 9a8fe012910a..f30ab608ea54 100644
--- a/tools/perf/util/symbol.h
+++ b/tools/perf/util/symbol.h
@@ -277,6 +277,7 @@ const char *arch__normalize_symbol_name(const char *name);
 #define SYMBOL_A 0
 #define SYMBOL_B 1
 
+void arch__symbols__fixup_end(struct symbol *p, struct symbol *c);
 int arch__compare_symbol_names(const char *namea, const char *nameb);
 int arch__compare_symbol_names_n(const char *namea, const char *nameb,
 				 unsigned int n);
diff --git a/tools/perf/util/thread.c b/tools/perf/util/thread.c
index b413ba5b9835..4a9f88d9b7ab 100644
--- a/tools/perf/util/thread.c
+++ b/tools/perf/util/thread.c
@@ -197,14 +197,24 @@ struct comm *thread__comm(const struct thread *thread)
 
 struct comm *thread__exec_comm(const struct thread *thread)
 {
-	struct comm *comm, *last = NULL;
+	struct comm *comm, *last = NULL, *second_last = NULL;
 
 	list_for_each_entry(comm, &thread->comm_list, list) {
 		if (comm->exec)
 			return comm;
+		second_last = last;
 		last = comm;
 	}
 
+	/*
+	 * 'last' with no start time might be the parent's comm of a synthesized
+	 * thread (created by processing a synthesized fork event). For a main
+	 * thread, that is very probably wrong. Prefer a later comm to avoid
+	 * that case.
+	 */
+	if (second_last && !last->start && thread->pid_ == thread->tid)
+		return second_last;
+
 	return last;
 }
 
diff --git a/tools/perf/util/zstd.c b/tools/perf/util/zstd.c
index 23bdb9884576..d2202392ffdb 100644
--- a/tools/perf/util/zstd.c
+++ b/tools/perf/util/zstd.c
@@ -99,8 +99,8 @@ size_t zstd_decompress_stream(struct zstd_data *data, void *src, size_t src_size
 	while (input.pos < input.size) {
 		ret = ZSTD_decompressStream(data->dstream, &output, &input);
 		if (ZSTD_isError(ret)) {
-			pr_err("failed to decompress (B): %ld -> %ld : %s\n",
-			       src_size, output.size, ZSTD_getErrorName(ret));
+			pr_err("failed to decompress (B): %ld -> %ld, dst_size %ld : %s\n",
+			       src_size, output.size, dst_size, ZSTD_getErrorName(ret));
 			break;
 		}
 		output.dst  = dst + output.pos;
diff --git a/virt/kvm/arm/arm.c b/virt/kvm/arm/arm.c
index bd5c55916d0d..9b778c51af1b 100644
--- a/virt/kvm/arm/arm.c
+++ b/virt/kvm/arm/arm.c
@@ -323,6 +323,17 @@ int kvm_cpu_has_pending_timer(struct kvm_vcpu *vcpu)
 
 void kvm_arch_vcpu_blocking(struct kvm_vcpu *vcpu)
 {
+	/*
+	 * If we're about to block (most likely because we've just hit a
+	 * WFI), we need to sync back the state of the GIC CPU interface
+	 * so that we have the lastest PMR and group enables. This ensures
+	 * that kvm_arch_vcpu_runnable has up-to-date data to decide
+	 * whether we have pending interrupts.
+	 */
+	preempt_disable();
+	kvm_vgic_vmcr_sync(vcpu);
+	preempt_enable();
+
 	kvm_vgic_v4_enable_doorbell(vcpu);
 }
 
diff --git a/virt/kvm/arm/vgic/vgic-v2.c b/virt/kvm/arm/vgic/vgic-v2.c
index 6dd5ad706c92..96aab77d0471 100644
--- a/virt/kvm/arm/vgic/vgic-v2.c
+++ b/virt/kvm/arm/vgic/vgic-v2.c
@@ -484,10 +484,17 @@ void vgic_v2_load(struct kvm_vcpu *vcpu)
 		       kvm_vgic_global_state.vctrl_base + GICH_APR);
 }
 
-void vgic_v2_put(struct kvm_vcpu *vcpu)
+void vgic_v2_vmcr_sync(struct kvm_vcpu *vcpu)
 {
 	struct vgic_v2_cpu_if *cpu_if = &vcpu->arch.vgic_cpu.vgic_v2;
 
 	cpu_if->vgic_vmcr = readl_relaxed(kvm_vgic_global_state.vctrl_base + GICH_VMCR);
+}
+
+void vgic_v2_put(struct kvm_vcpu *vcpu)
+{
+	struct vgic_v2_cpu_if *cpu_if = &vcpu->arch.vgic_cpu.vgic_v2;
+
+	vgic_v2_vmcr_sync(vcpu);
 	cpu_if->vgic_apr = readl_relaxed(kvm_vgic_global_state.vctrl_base + GICH_APR);
 }
diff --git a/virt/kvm/arm/vgic/vgic-v3.c b/virt/kvm/arm/vgic/vgic-v3.c
index c2c9ce009f63..0c653a1e5215 100644
--- a/virt/kvm/arm/vgic/vgic-v3.c
+++ b/virt/kvm/arm/vgic/vgic-v3.c
@@ -662,12 +662,17 @@ void vgic_v3_load(struct kvm_vcpu *vcpu)
 		__vgic_v3_activate_traps(vcpu);
 }
 
-void vgic_v3_put(struct kvm_vcpu *vcpu)
+void vgic_v3_vmcr_sync(struct kvm_vcpu *vcpu)
 {
 	struct vgic_v3_cpu_if *cpu_if = &vcpu->arch.vgic_cpu.vgic_v3;
 
 	if (likely(cpu_if->vgic_sre))
 		cpu_if->vgic_vmcr = kvm_call_hyp_ret(__vgic_v3_read_vmcr);
+}
+
+void vgic_v3_put(struct kvm_vcpu *vcpu)
+{
+	vgic_v3_vmcr_sync(vcpu);
 
 	kvm_call_hyp(__vgic_v3_save_aprs, vcpu);
 
diff --git a/virt/kvm/arm/vgic/vgic.c b/virt/kvm/arm/vgic/vgic.c
index 04786c8ec77e..13d4b38a94ec 100644
--- a/virt/kvm/arm/vgic/vgic.c
+++ b/virt/kvm/arm/vgic/vgic.c
@@ -919,6 +919,17 @@ void kvm_vgic_put(struct kvm_vcpu *vcpu)
 		vgic_v3_put(vcpu);
 }
 
+void kvm_vgic_vmcr_sync(struct kvm_vcpu *vcpu)
+{
+	if (unlikely(!irqchip_in_kernel(vcpu->kvm)))
+		return;
+
+	if (kvm_vgic_global_state.type == VGIC_V2)
+		vgic_v2_vmcr_sync(vcpu);
+	else
+		vgic_v3_vmcr_sync(vcpu);
+}
+
 int kvm_vgic_vcpu_pending_irq(struct kvm_vcpu *vcpu)
 {
 	struct vgic_cpu *vgic_cpu = &vcpu->arch.vgic_cpu;
diff --git a/virt/kvm/arm/vgic/vgic.h b/virt/kvm/arm/vgic/vgic.h
index 57205beaa981..11adbdac1d56 100644
--- a/virt/kvm/arm/vgic/vgic.h
+++ b/virt/kvm/arm/vgic/vgic.h
@@ -193,6 +193,7 @@ int vgic_register_dist_iodev(struct kvm *kvm, gpa_t dist_base_address,
 void vgic_v2_init_lrs(void);
 void vgic_v2_load(struct kvm_vcpu *vcpu);
 void vgic_v2_put(struct kvm_vcpu *vcpu);
+void vgic_v2_vmcr_sync(struct kvm_vcpu *vcpu);
 
 void vgic_v2_save_state(struct kvm_vcpu *vcpu);
 void vgic_v2_restore_state(struct kvm_vcpu *vcpu);
@@ -223,6 +224,7 @@ bool vgic_v3_check_base(struct kvm *kvm);
 
 void vgic_v3_load(struct kvm_vcpu *vcpu);
 void vgic_v3_put(struct kvm_vcpu *vcpu);
+void vgic_v3_vmcr_sync(struct kvm_vcpu *vcpu);
 
 bool vgic_has_its(struct kvm *kvm);
 int kvm_vgic_register_its_device(void);
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index e629766f0ec8..7e0d18ac62bf 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -2475,6 +2475,29 @@ static bool kvm_vcpu_eligible_for_directed_yield(struct kvm_vcpu *vcpu)
 #endif
 }
 
+/*
+ * Unlike kvm_arch_vcpu_runnable, this function is called outside
+ * a vcpu_load/vcpu_put pair.  However, for most architectures
+ * kvm_arch_vcpu_runnable does not require vcpu_load.
+ */
+bool __weak kvm_arch_dy_runnable(struct kvm_vcpu *vcpu)
+{
+	return kvm_arch_vcpu_runnable(vcpu);
+}
+
+static bool vcpu_dy_runnable(struct kvm_vcpu *vcpu)
+{
+	if (kvm_arch_dy_runnable(vcpu))
+		return true;
+
+#ifdef CONFIG_KVM_ASYNC_PF
+	if (!list_empty_careful(&vcpu->async_pf.done))
+		return true;
+#endif
+
+	return false;
+}
+
 void kvm_vcpu_on_spin(struct kvm_vcpu *me, bool yield_to_kernel_mode)
 {
 	struct kvm *kvm = me->kvm;
@@ -2504,7 +2527,7 @@ void kvm_vcpu_on_spin(struct kvm_vcpu *me, bool yield_to_kernel_mode)
 				continue;
 			if (vcpu == me)
 				continue;
-			if (swait_active(&vcpu->wq) && !kvm_arch_vcpu_runnable(vcpu))
+			if (swait_active(&vcpu->wq) && !vcpu_dy_runnable(vcpu))
 				continue;
 			if (yield_to_kernel_mode && !kvm_arch_vcpu_in_kernel(vcpu))
 				continue;