path: root/1093_linux-6.1.94.patch

diff --git a/Documentation/mm/arch_pgtable_helpers.rst b/Documentation/mm/arch_pgtable_helpers.rst
index cbaee9e592410..511b4314095b5 100644
--- a/Documentation/mm/arch_pgtable_helpers.rst
+++ b/Documentation/mm/arch_pgtable_helpers.rst
@@ -136,7 +136,8 @@ PMD Page Table Helpers
 +---------------------------+--------------------------------------------------+
 | pmd_swp_clear_soft_dirty  | Clears a soft dirty swapped PMD                  |
 +---------------------------+--------------------------------------------------+
-| pmd_mkinvalid             | Invalidates a mapped PMD [1]                     |
+| pmd_mkinvalid             | Invalidates a present PMD; do not call for       |
+|                           | non-present PMD [1]                              |
 +---------------------------+--------------------------------------------------+
 | pmd_set_huge              | Creates a PMD huge mapping                       |
 +---------------------------+--------------------------------------------------+
@@ -192,7 +193,8 @@ PUD Page Table Helpers
 +---------------------------+--------------------------------------------------+
 | pud_mkdevmap              | Creates a ZONE_DEVICE mapped PUD                 |
 +---------------------------+--------------------------------------------------+
-| pud_mkinvalid             | Invalidates a mapped PUD [1]                     |
+| pud_mkinvalid             | Invalidates a present PUD; do not call for       |
+|                           | non-present PUD [1]                              |
 +---------------------------+--------------------------------------------------+
 | pud_set_huge              | Creates a PUD huge mapping                       |
 +---------------------------+--------------------------------------------------+
diff --git a/Makefile b/Makefile
index c5147f1c46f87..6c21684b032ee 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
 VERSION = 6
 PATCHLEVEL = 1
-SUBLEVEL = 93
+SUBLEVEL = 94
 EXTRAVERSION =
 NAME = Curry Ramen
 
diff --git a/arch/arm64/boot/dts/hisilicon/hi3798cv200.dtsi b/arch/arm64/boot/dts/hisilicon/hi3798cv200.dtsi
index a83b9d4f172e3..add54f4e7be97 100644
--- a/arch/arm64/boot/dts/hisilicon/hi3798cv200.dtsi
+++ b/arch/arm64/boot/dts/hisilicon/hi3798cv200.dtsi
@@ -58,7 +58,7 @@ cpu@3 {
 	gic: interrupt-controller@f1001000 {
 		compatible = "arm,gic-400";
 		reg = <0x0 0xf1001000 0x0 0x1000>,  /* GICD */
-		      <0x0 0xf1002000 0x0 0x100>;   /* GICC */
+		      <0x0 0xf1002000 0x0 0x2000>;  /* GICC */
 		#address-cells = <0>;
 		#interrupt-cells = <3>;
 		interrupt-controller;
diff --git a/arch/arm64/boot/dts/nvidia/tegra132-norrin.dts b/arch/arm64/boot/dts/nvidia/tegra132-norrin.dts
index d461da0b80492..22cb4d5f0416e 100644
--- a/arch/arm64/boot/dts/nvidia/tegra132-norrin.dts
+++ b/arch/arm64/boot/dts/nvidia/tegra132-norrin.dts
@@ -9,8 +9,8 @@ / {
 	compatible = "nvidia,norrin", "nvidia,tegra132", "nvidia,tegra124";
 
 	aliases {
-		rtc0 = "/i2c@7000d000/as3722@40";
-		rtc1 = "/rtc@7000e000";
+		rtc0 = &as3722;
+		rtc1 = &tegra_rtc;
 		serial0 = &uarta;
 	};
 
diff --git a/arch/arm64/boot/dts/nvidia/tegra132.dtsi b/arch/arm64/boot/dts/nvidia/tegra132.dtsi
index 3673f79adf1a9..ca8960f0c4ab9 100644
--- a/arch/arm64/boot/dts/nvidia/tegra132.dtsi
+++ b/arch/arm64/boot/dts/nvidia/tegra132.dtsi
@@ -579,7 +579,7 @@ spi@7000de00 {
 		status = "disabled";
 	};
 
-	rtc@7000e000 {
+	tegra_rtc: rtc@7000e000 {
 		compatible = "nvidia,tegra124-rtc", "nvidia,tegra20-rtc";
 		reg = <0x0 0x7000e000 0x0 0x100>;
 		interrupts = <GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>;
diff --git a/arch/arm64/boot/dts/qcom/qcs404-evb.dtsi b/arch/arm64/boot/dts/qcom/qcs404-evb.dtsi
index 1678ef0f8684f..737a67e0a6ad7 100644
--- a/arch/arm64/boot/dts/qcom/qcs404-evb.dtsi
+++ b/arch/arm64/boot/dts/qcom/qcs404-evb.dtsi
@@ -60,7 +60,7 @@ bluetooth {
 		vddrf-supply = <&vreg_l1_1p3>;
 		vddch0-supply = <&vdd_ch0_3p3>;
 
-		local-bd-address = [ 02 00 00 00 5a ad ];
+		local-bd-address = [ 00 00 00 00 00 00 ];
 
 		max-speed = <3200000>;
 	};
diff --git a/arch/arm64/kvm/guest.c b/arch/arm64/kvm/guest.c
index f44ae09a51956..5dbaf3fe90221 100644
--- a/arch/arm64/kvm/guest.c
+++ b/arch/arm64/kvm/guest.c
@@ -250,6 +250,7 @@ static int set_core_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg)
 		case PSR_AA32_MODE_SVC:
 		case PSR_AA32_MODE_ABT:
 		case PSR_AA32_MODE_UND:
+		case PSR_AA32_MODE_SYS:
 			if (!vcpu_el1_is_32bit(vcpu))
 				return -EINVAL;
 			break;
@@ -270,7 +271,7 @@ static int set_core_reg(struct kvm_vcpu *vcpu, const struct kvm_one_reg *reg)
 	if (*vcpu_cpsr(vcpu) & PSR_MODE32_BIT) {
 		int i, nr_reg;
 
-		switch (*vcpu_cpsr(vcpu)) {
+		switch (*vcpu_cpsr(vcpu) & PSR_AA32_MODE_MASK) {
 		/*
 		 * Either we are dealing with user mode, and only the
 		 * first 15 registers (+ PC) must be narrowed to 32bit.
diff --git a/arch/arm64/kvm/hyp/aarch32.c b/arch/arm64/kvm/hyp/aarch32.c
index f98cbe2626a1c..19efb41aab805 100644
--- a/arch/arm64/kvm/hyp/aarch32.c
+++ b/arch/arm64/kvm/hyp/aarch32.c
@@ -50,9 +50,23 @@ bool kvm_condition_valid32(const struct kvm_vcpu *vcpu)
 	u32 cpsr_cond;
 	int cond;
 
-	/* Top two bits non-zero?  Unconditional. */
-	if (kvm_vcpu_get_esr(vcpu) >> 30)
+	/*
+	 * These are the exception classes that could fire with a
+	 * conditional instruction.
+	 */
+	switch (kvm_vcpu_trap_get_class(vcpu)) {
+	case ESR_ELx_EC_CP15_32:
+	case ESR_ELx_EC_CP15_64:
+	case ESR_ELx_EC_CP14_MR:
+	case ESR_ELx_EC_CP14_LS:
+	case ESR_ELx_EC_FP_ASIMD:
+	case ESR_ELx_EC_CP10_ID:
+	case ESR_ELx_EC_CP14_64:
+	case ESR_ELx_EC_SVC32:
+		break;
+	default:
 		return true;
+	}
 
 	/* Is condition field valid? */
 	cond = kvm_vcpu_get_condition(vcpu);
diff --git a/arch/parisc/include/asm/page.h b/arch/parisc/include/asm/page.h
index 6faaaa3ebe9b8..e93baddf3a2e7 100644
--- a/arch/parisc/include/asm/page.h
+++ b/arch/parisc/include/asm/page.h
@@ -16,6 +16,7 @@
 #define PAGE_SIZE	(_AC(1,UL) << PAGE_SHIFT)
 #define PAGE_MASK	(~(PAGE_SIZE-1))
 
+#define HAVE_ARCH_HUGETLB_UNMAPPED_AREA
 
 #ifndef __ASSEMBLY__
 
diff --git a/arch/parisc/include/asm/signal.h b/arch/parisc/include/asm/signal.h
index 715c96ba2ec81..e84883c6b4c7a 100644
--- a/arch/parisc/include/asm/signal.h
+++ b/arch/parisc/include/asm/signal.h
@@ -4,23 +4,11 @@
 
 #include <uapi/asm/signal.h>
 
-#define _NSIG		64
-/* bits-per-word, where word apparently means 'long' not 'int' */
-#define _NSIG_BPW	BITS_PER_LONG
-#define _NSIG_WORDS	(_NSIG / _NSIG_BPW)
-
 # ifndef __ASSEMBLY__
 
 /* Most things should be clean enough to redefine this at will, if care
    is taken to make libc match.  */
 
-typedef unsigned long old_sigset_t;		/* at least 32 bits */
-
-typedef struct {
-	/* next_signal() assumes this is a long - no choice */
-	unsigned long sig[_NSIG_WORDS];
-} sigset_t;
-
 #include <asm/sigcontext.h>
 
 #endif /* !__ASSEMBLY */
diff --git a/arch/parisc/include/uapi/asm/signal.h b/arch/parisc/include/uapi/asm/signal.h
index 8e4895c5ea5d3..40d7a574c5dd1 100644
--- a/arch/parisc/include/uapi/asm/signal.h
+++ b/arch/parisc/include/uapi/asm/signal.h
@@ -57,10 +57,20 @@
 
 #include <asm-generic/signal-defs.h>
 
+#define _NSIG		64
+#define _NSIG_BPW	(sizeof(unsigned long) * 8)
+#define _NSIG_WORDS	(_NSIG / _NSIG_BPW)
+
 # ifndef __ASSEMBLY__
 
 #  include <linux/types.h>
 
+typedef unsigned long old_sigset_t;	/* at least 32 bits */
+
+typedef struct {
+	unsigned long sig[_NSIG_WORDS];
+} sigset_t;
+
 /* Avoid too many header ordering problems.  */
 struct siginfo;
 
diff --git a/arch/powerpc/mm/book3s64/pgtable.c b/arch/powerpc/mm/book3s64/pgtable.c
index 87aa76c737995..a3bce0895b7d2 100644
--- a/arch/powerpc/mm/book3s64/pgtable.c
+++ b/arch/powerpc/mm/book3s64/pgtable.c
@@ -124,6 +124,7 @@ pmd_t pmdp_invalidate(struct vm_area_struct *vma, unsigned long address,
 {
 	unsigned long old_pmd;
 
+	VM_WARN_ON_ONCE(!pmd_present(*pmdp));
 	old_pmd = pmd_hugepage_update(vma->vm_mm, address, pmdp, _PAGE_PRESENT, _PAGE_INVALID);
 	flush_pmd_tlb_range(vma, address, address + HPAGE_PMD_SIZE);
 	return __pmd(old_pmd);
diff --git a/arch/powerpc/net/bpf_jit_comp32.c b/arch/powerpc/net/bpf_jit_comp32.c
index 8643b2c8b76ef..7b3bf859433a5 100644
--- a/arch/powerpc/net/bpf_jit_comp32.c
+++ b/arch/powerpc/net/bpf_jit_comp32.c
@@ -814,6 +814,15 @@ int bpf_jit_build_body(struct bpf_prog *fp, u32 *image, struct codegen_context *
 
 			/* Get offset into TMP_REG */
 			EMIT(PPC_RAW_LI(tmp_reg, off));
+			/*
+			 * Enforce full ordering for operations with BPF_FETCH by emitting a 'sync'
+			 * before and after the operation.
+			 *
+			 * This is a requirement in the Linux Kernel Memory Model.
+			 * See __cmpxchg_u32() in asm/cmpxchg.h as an example.
+			 */
+			if ((imm & BPF_FETCH) && IS_ENABLED(CONFIG_SMP))
+				EMIT(PPC_RAW_SYNC());
 			tmp_idx = ctx->idx * 4;
 			/* load value from memory into r0 */
 			EMIT(PPC_RAW_LWARX(_R0, tmp_reg, dst_reg, 0));
@@ -867,6 +876,9 @@ int bpf_jit_build_body(struct bpf_prog *fp, u32 *image, struct codegen_context *
 
 			/* For the BPF_FETCH variant, get old data into src_reg */
 			if (imm & BPF_FETCH) {
+				/* Emit 'sync' to enforce full ordering */
+				if (IS_ENABLED(CONFIG_SMP))
+					EMIT(PPC_RAW_SYNC());
 				EMIT(PPC_RAW_MR(ret_reg, ax_reg));
 				if (!fp->aux->verifier_zext)
 					EMIT(PPC_RAW_LI(ret_reg - 1, 0)); /* higher 32-bit */
diff --git a/arch/powerpc/net/bpf_jit_comp64.c b/arch/powerpc/net/bpf_jit_comp64.c
index 29ee306d6302e..dcb625404938f 100644
--- a/arch/powerpc/net/bpf_jit_comp64.c
+++ b/arch/powerpc/net/bpf_jit_comp64.c
@@ -784,6 +784,15 @@ int bpf_jit_build_body(struct bpf_prog *fp, u32 *image, struct codegen_context *
 
 			/* Get offset into TMP_REG_1 */
 			EMIT(PPC_RAW_LI(tmp1_reg, off));
+			/*
+			 * Enforce full ordering for operations with BPF_FETCH by emitting a 'sync'
+			 * before and after the operation.
+			 *
+			 * This is a requirement in the Linux Kernel Memory Model.
+			 * See __cmpxchg_u64() in asm/cmpxchg.h as an example.
+			 */
+			if ((imm & BPF_FETCH) && IS_ENABLED(CONFIG_SMP))
+				EMIT(PPC_RAW_SYNC());
 			tmp_idx = ctx->idx * 4;
 			/* load value from memory into TMP_REG_2 */
 			if (size == BPF_DW)
@@ -846,6 +855,9 @@ int bpf_jit_build_body(struct bpf_prog *fp, u32 *image, struct codegen_context *
 			PPC_BCC_SHORT(COND_NE, tmp_idx);
 
 			if (imm & BPF_FETCH) {
+				/* Emit 'sync' to enforce full ordering */
+				if (IS_ENABLED(CONFIG_SMP))
+					EMIT(PPC_RAW_SYNC());
 				EMIT(PPC_RAW_MR(ret_reg, _R0));
 				/*
 				 * Skip unnecessary zero-extension for 32-bit cmpxchg.
diff --git a/arch/riscv/kernel/signal.c b/arch/riscv/kernel/signal.c
index dee66c9290cce..36bb15af6fa82 100644
--- a/arch/riscv/kernel/signal.c
+++ b/arch/riscv/kernel/signal.c
@@ -246,30 +246,6 @@ static void handle_signal(struct ksignal *ksig, struct pt_regs *regs)
 	sigset_t *oldset = sigmask_to_save();
 	int ret;
 
-	/* Are we from a system call? */
-	if (regs->cause == EXC_SYSCALL) {
-		/* Avoid additional syscall restarting via ret_from_exception */
-		regs->cause = -1UL;
-		/* If so, check system call restarting.. */
-		switch (regs->a0) {
-		case -ERESTART_RESTARTBLOCK:
-		case -ERESTARTNOHAND:
-			regs->a0 = -EINTR;
-			break;
-
-		case -ERESTARTSYS:
-			if (!(ksig->ka.sa.sa_flags & SA_RESTART)) {
-				regs->a0 = -EINTR;
-				break;
-			}
-			fallthrough;
-		case -ERESTARTNOINTR:
-                        regs->a0 = regs->orig_a0;
-			regs->epc -= 0x4;
-			break;
-		}
-	}
-
 	rseq_signal_deliver(ksig, regs);
 
 	/* Set up the stack frame */
@@ -283,35 +259,66 @@ static void handle_signal(struct ksignal *ksig, struct pt_regs *regs)
 
 static void do_signal(struct pt_regs *regs)
 {
+	unsigned long continue_addr = 0, restart_addr = 0;
+	int retval = 0;
 	struct ksignal ksig;
+	bool syscall = (regs->cause == EXC_SYSCALL);
 
-	if (get_signal(&ksig)) {
-		/* Actually deliver the signal */
-		handle_signal(&ksig, regs);
-		return;
-	}
+	/* If we were from a system call, check for system call restarting */
+	if (syscall) {
+		continue_addr = regs->epc;
+		restart_addr = continue_addr - 4;
+		retval = regs->a0;
 
-	/* Did we come from a system call? */
-	if (regs->cause == EXC_SYSCALL) {
 		/* Avoid additional syscall restarting via ret_from_exception */
 		regs->cause = -1UL;
 
-		/* Restart the system call - no handlers present */
-		switch (regs->a0) {
+		/*
+		 * Prepare for system call restart. We do this here so that a
+		 * debugger will see the already changed PC.
+		 */
+		switch (retval) {
 		case -ERESTARTNOHAND:
 		case -ERESTARTSYS:
 		case -ERESTARTNOINTR:
-                        regs->a0 = regs->orig_a0;
-			regs->epc -= 0x4;
-			break;
 		case -ERESTART_RESTARTBLOCK:
-                        regs->a0 = regs->orig_a0;
-			regs->a7 = __NR_restart_syscall;
-			regs->epc -= 0x4;
+			regs->a0 = regs->orig_a0;
+			regs->epc = restart_addr;
 			break;
 		}
 	}
 
+	/*
+	 * Get the signal to deliver. When running under ptrace, at this point
+	 * the debugger may change all of our registers.
+	 */
+	if (get_signal(&ksig)) {
+		/*
+		 * Depending on the signal settings, we may need to revert the
+		 * decision to restart the system call, but skip this if a
+		 * debugger has chosen to restart at a different PC.
+		 */
+		if (regs->epc == restart_addr &&
+		    (retval == -ERESTARTNOHAND ||
+		     retval == -ERESTART_RESTARTBLOCK ||
+		     (retval == -ERESTARTSYS &&
+		      !(ksig.ka.sa.sa_flags & SA_RESTART)))) {
+			regs->a0 = -EINTR;
+			regs->epc = continue_addr;
+		}
+
+		/* Actually deliver the signal */
+		handle_signal(&ksig, regs);
+		return;
+	}
+
+	/*
+	 * Handle restarting a different system call. As above, if a debugger
+	 * has chosen to restart at a different PC, ignore the restart.
+	 */
+	if (syscall && regs->epc == restart_addr && retval == -ERESTART_RESTARTBLOCK)
+		regs->a7 = __NR_restart_syscall;
+
 	/*
 	 * If there is no signal to deliver, we just put the saved
 	 * sigmask back.
diff --git a/arch/s390/include/asm/cpacf.h b/arch/s390/include/asm/cpacf.h
index 646b12981f208..0f6ff2008a159 100644
--- a/arch/s390/include/asm/cpacf.h
+++ b/arch/s390/include/asm/cpacf.h
@@ -161,28 +161,86 @@
 
 typedef struct { unsigned char bytes[16]; } cpacf_mask_t;
 
-/**
- * cpacf_query() - check if a specific CPACF function is available
- * @opcode: the opcode of the crypto instruction
- * @func: the function code to test for
- *
- * Executes the query function for the given crypto instruction @opcode
- * and checks if @func is available
- *
- * Returns 1 if @func is available for @opcode, 0 otherwise
+/*
+ * Prototype for a not existing function to produce a link
+ * error if __cpacf_query() or __cpacf_check_opcode() is used
+ * with an invalid compile time const opcode.
  */
-static __always_inline void __cpacf_query(unsigned int opcode, cpacf_mask_t *mask)
+void __cpacf_bad_opcode(void);
+
+static __always_inline void __cpacf_query_rre(u32 opc, u8 r1, u8 r2,
+					      cpacf_mask_t *mask)
 {
 	asm volatile(
-		"	lghi	0,0\n" /* query function */
-		"	lgr	1,%[mask]\n"
-		"	spm	0\n" /* pckmo doesn't change the cc */
-		/* Parameter regs are ignored, but must be nonzero and unique */
-		"0:	.insn	rrf,%[opc] << 16,2,4,6,0\n"
-		"	brc	1,0b\n"	/* handle partial completion */
-		: "=m" (*mask)
-		: [mask] "d" ((unsigned long)mask), [opc] "i" (opcode)
-		: "cc", "0", "1");
+		"	la	%%r1,%[mask]\n"
+		"	xgr	%%r0,%%r0\n"
+		"	.insn	rre,%[opc] << 16,%[r1],%[r2]\n"
+		: [mask] "=R" (*mask)
+		: [opc] "i" (opc),
+		  [r1] "i" (r1), [r2] "i" (r2)
+		: "cc", "r0", "r1");
+}
+
+static __always_inline void __cpacf_query_rrf(u32 opc,
+					      u8 r1, u8 r2, u8 r3, u8 m4,
+					      cpacf_mask_t *mask)
+{
+	asm volatile(
+		"	la	%%r1,%[mask]\n"
+		"	xgr	%%r0,%%r0\n"
+		"	.insn	rrf,%[opc] << 16,%[r1],%[r2],%[r3],%[m4]\n"
+		: [mask] "=R" (*mask)
+		: [opc] "i" (opc), [r1] "i" (r1), [r2] "i" (r2),
+		  [r3] "i" (r3), [m4] "i" (m4)
+		: "cc", "r0", "r1");
+}
+
+static __always_inline void __cpacf_query(unsigned int opcode,
+					  cpacf_mask_t *mask)
+{
+	switch (opcode) {
+	case CPACF_KDSA:
+		__cpacf_query_rre(CPACF_KDSA, 0, 2, mask);
+		break;
+	case CPACF_KIMD:
+		__cpacf_query_rre(CPACF_KIMD, 0, 2, mask);
+		break;
+	case CPACF_KLMD:
+		__cpacf_query_rre(CPACF_KLMD, 0, 2, mask);
+		break;
+	case CPACF_KM:
+		__cpacf_query_rre(CPACF_KM, 2, 4, mask);
+		break;
+	case CPACF_KMA:
+		__cpacf_query_rrf(CPACF_KMA, 2, 4, 6, 0, mask);
+		break;
+	case CPACF_KMAC:
+		__cpacf_query_rre(CPACF_KMAC, 0, 2, mask);
+		break;
+	case CPACF_KMC:
+		__cpacf_query_rre(CPACF_KMC, 2, 4, mask);
+		break;
+	case CPACF_KMCTR:
+		__cpacf_query_rrf(CPACF_KMCTR, 2, 4, 6, 0, mask);
+		break;
+	case CPACF_KMF:
+		__cpacf_query_rre(CPACF_KMF, 2, 4, mask);
+		break;
+	case CPACF_KMO:
+		__cpacf_query_rre(CPACF_KMO, 2, 4, mask);
+		break;
+	case CPACF_PCC:
+		__cpacf_query_rre(CPACF_PCC, 0, 0, mask);
+		break;
+	case CPACF_PCKMO:
+		__cpacf_query_rre(CPACF_PCKMO, 0, 0, mask);
+		break;
+	case CPACF_PRNO:
+		__cpacf_query_rre(CPACF_PRNO, 2, 4, mask);
+		break;
+	default:
+		__cpacf_bad_opcode();
+	}
 }
 
 static __always_inline int __cpacf_check_opcode(unsigned int opcode)
@@ -206,10 +264,21 @@ static __always_inline int __cpacf_check_opcode(unsigned int opcode)
 	case CPACF_KMA:
 		return test_facility(146);	/* check for MSA8 */
 	default:
-		BUG();
+		__cpacf_bad_opcode();
+		return 0;
 	}
 }
 
+/**
+ * cpacf_query() - check if a specific CPACF function is available
+ * @opcode: the opcode of the crypto instruction
+ * @func: the function code to test for
+ *
+ * Executes the query function for the given crypto instruction @opcode
+ * and checks if @func is available
+ *
+ * Returns 1 if @func is available for @opcode, 0 otherwise
+ */
 static __always_inline int cpacf_query(unsigned int opcode, cpacf_mask_t *mask)
 {
 	if (__cpacf_check_opcode(opcode)) {
diff --git a/arch/s390/include/asm/pgtable.h b/arch/s390/include/asm/pgtable.h
index 11e901286414c..956300e3568a4 100644
--- a/arch/s390/include/asm/pgtable.h
+++ b/arch/s390/include/asm/pgtable.h
@@ -1686,8 +1686,10 @@ static inline pmd_t pmdp_huge_clear_flush(struct vm_area_struct *vma,
 static inline pmd_t pmdp_invalidate(struct vm_area_struct *vma,
 				   unsigned long addr, pmd_t *pmdp)
 {
-	pmd_t pmd = __pmd(pmd_val(*pmdp) | _SEGMENT_ENTRY_INVALID);
+	pmd_t pmd;
 
+	VM_WARN_ON_ONCE(!pmd_present(*pmdp));
+	pmd = __pmd(pmd_val(*pmdp) | _SEGMENT_ENTRY_INVALID);
 	return pmdp_xchg_direct(vma->vm_mm, addr, pmdp, pmd);
 }
 
diff --git a/arch/sparc/include/asm/smp_64.h b/arch/sparc/include/asm/smp_64.h
index e75783b6abc42..16ab904616a0c 100644
--- a/arch/sparc/include/asm/smp_64.h
+++ b/arch/sparc/include/asm/smp_64.h
@@ -47,7 +47,6 @@ void arch_send_call_function_ipi_mask(const struct cpumask *mask);
 int hard_smp_processor_id(void);
 #define raw_smp_processor_id() (current_thread_info()->cpu)
 
-void smp_fill_in_cpu_possible_map(void);
 void smp_fill_in_sib_core_maps(void);
 void cpu_play_dead(void);
 
@@ -77,7 +76,6 @@ void __cpu_die(unsigned int cpu);
 #define smp_fill_in_sib_core_maps() do { } while (0)
 #define smp_fetch_global_regs() do { } while (0)
 #define smp_fetch_global_pmu() do { } while (0)
-#define smp_fill_in_cpu_possible_map() do { } while (0)
 #define smp_init_cpu_poke() do { } while (0)
 #define scheduler_poke() do { } while (0)
 
diff --git a/arch/sparc/include/uapi/asm/termbits.h b/arch/sparc/include/uapi/asm/termbits.h
index 4321322701fcf..0da2b1adc0f52 100644
--- a/arch/sparc/include/uapi/asm/termbits.h
+++ b/arch/sparc/include/uapi/asm/termbits.h
@@ -10,16 +10,6 @@ typedef unsigned int	tcflag_t;
 typedef unsigned long	tcflag_t;
 #endif
 
-#define NCC 8
-struct termio {
-	unsigned short c_iflag;		/* input mode flags */
-	unsigned short c_oflag;		/* output mode flags */
-	unsigned short c_cflag;		/* control mode flags */
-	unsigned short c_lflag;		/* local mode flags */
-	unsigned char c_line;		/* line discipline */
-	unsigned char c_cc[NCC];	/* control characters */
-};
-
 #define NCCS 17
 struct termios {
 	tcflag_t c_iflag;		/* input mode flags */
diff --git a/arch/sparc/include/uapi/asm/termios.h b/arch/sparc/include/uapi/asm/termios.h
index ee86f4093d83e..cceb32260881e 100644
--- a/arch/sparc/include/uapi/asm/termios.h
+++ b/arch/sparc/include/uapi/asm/termios.h
@@ -40,5 +40,14 @@ struct winsize {
 	unsigned short ws_ypixel;
 };
 
+#define NCC 8
+struct termio {
+	unsigned short c_iflag;		/* input mode flags */
+	unsigned short c_oflag;		/* output mode flags */
+	unsigned short c_cflag;		/* control mode flags */
+	unsigned short c_lflag;		/* local mode flags */
+	unsigned char c_line;		/* line discipline */
+	unsigned char c_cc[NCC];	/* control characters */
+};
 
 #endif /* _UAPI_SPARC_TERMIOS_H */
diff --git a/arch/sparc/kernel/prom_64.c b/arch/sparc/kernel/prom_64.c
index f883a50fa3339..4eae633f71982 100644
--- a/arch/sparc/kernel/prom_64.c
+++ b/arch/sparc/kernel/prom_64.c
@@ -483,7 +483,9 @@ static void *record_one_cpu(struct device_node *dp, int cpuid, int arg)
 	ncpus_probed++;
 #ifdef CONFIG_SMP
 	set_cpu_present(cpuid, true);
-	set_cpu_possible(cpuid, true);
+
+	if (num_possible_cpus() < nr_cpu_ids)
+		set_cpu_possible(cpuid, true);
 #endif
 	return NULL;
 }
diff --git a/arch/sparc/kernel/setup_64.c b/arch/sparc/kernel/setup_64.c
index 48abee4eee29d..9e6e7f983d142 100644
--- a/arch/sparc/kernel/setup_64.c
+++ b/arch/sparc/kernel/setup_64.c
@@ -684,7 +684,6 @@ void __init setup_arch(char **cmdline_p)
 
 	paging_init();
 	init_sparc64_elf_hwcap();
-	smp_fill_in_cpu_possible_map();
 	/*
 	 * Once the OF device tree and MDESC have been setup and nr_cpus has
 	 * been parsed, we know the list of possible cpus.  Therefore we can
diff --git a/arch/sparc/kernel/smp_64.c b/arch/sparc/kernel/smp_64.c
index a55295d1b9244..35e8a1e84da60 100644
--- a/arch/sparc/kernel/smp_64.c
+++ b/arch/sparc/kernel/smp_64.c
@@ -1204,20 +1204,6 @@ void __init smp_setup_processor_id(void)
 		xcall_deliver_impl = hypervisor_xcall_deliver;
 }
 
-void __init smp_fill_in_cpu_possible_map(void)
-{
-	int possible_cpus = num_possible_cpus();
-	int i;
-
-	if (possible_cpus > nr_cpu_ids)
-		possible_cpus = nr_cpu_ids;
-
-	for (i = 0; i < possible_cpus; i++)
-		set_cpu_possible(i, true);
-	for (; i < NR_CPUS; i++)
-		set_cpu_possible(i, false);
-}
-
 void smp_fill_in_sib_core_maps(void)
 {
 	unsigned int i;
diff --git a/arch/sparc/mm/tlb.c b/arch/sparc/mm/tlb.c
index 9a725547578e8..946f33c1b032f 100644
--- a/arch/sparc/mm/tlb.c
+++ b/arch/sparc/mm/tlb.c
@@ -245,6 +245,7 @@ pmd_t pmdp_invalidate(struct vm_area_struct *vma, unsigned long address,
 {
 	pmd_t old, entry;
 
+	VM_WARN_ON_ONCE(!pmd_present(*pmdp));
 	entry = __pmd(pmd_val(*pmdp) & ~_PAGE_VALID);
 	old = pmdp_establish(vma, address, pmdp, entry);
 	flush_tlb_range(vma, address, address + HPAGE_PMD_SIZE);
diff --git a/arch/x86/mm/pgtable.c b/arch/x86/mm/pgtable.c
index 8525f2876fb40..77ee0012f8497 100644
--- a/arch/x86/mm/pgtable.c
+++ b/arch/x86/mm/pgtable.c
@@ -615,6 +615,8 @@ int pmdp_clear_flush_young(struct vm_area_struct *vma,
 pmd_t pmdp_invalidate_ad(struct vm_area_struct *vma, unsigned long address,
 			 pmd_t *pmdp)
 {
+	VM_WARN_ON_ONCE(!pmd_present(*pmdp));
+
 	/*
 	 * No flush is necessary. Once an invalid PTE is established, the PTE's
 	 * access and dirty bits cannot be updated.
diff --git a/crypto/ecdsa.c b/crypto/ecdsa.c
index fbd76498aba83..3f9ec273a121f 100644
--- a/crypto/ecdsa.c
+++ b/crypto/ecdsa.c
@@ -373,4 +373,7 @@ module_exit(ecdsa_exit);
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Stefan Berger <stefanb@linux.ibm.com>");
 MODULE_DESCRIPTION("ECDSA generic algorithm");
+MODULE_ALIAS_CRYPTO("ecdsa-nist-p192");
+MODULE_ALIAS_CRYPTO("ecdsa-nist-p256");
+MODULE_ALIAS_CRYPTO("ecdsa-nist-p384");
 MODULE_ALIAS_CRYPTO("ecdsa-generic");
diff --git a/crypto/ecrdsa.c b/crypto/ecrdsa.c
index f3c6b5e15e75b..3811f3805b5d8 100644
--- a/crypto/ecrdsa.c
+++ b/crypto/ecrdsa.c
@@ -294,4 +294,5 @@ module_exit(ecrdsa_mod_fini);
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Vitaly Chikunov <vt@altlinux.org>");
 MODULE_DESCRIPTION("EC-RDSA generic algorithm");
+MODULE_ALIAS_CRYPTO("ecrdsa");
 MODULE_ALIAS_CRYPTO("ecrdsa-generic");
diff --git a/drivers/acpi/resource.c b/drivers/acpi/resource.c
index 1c5c1a269fbee..d34812db1b67a 100644
--- a/drivers/acpi/resource.c
+++ b/drivers/acpi/resource.c
@@ -576,6 +576,18 @@ static const struct dmi_system_id lg_laptop[] = {
 			DMI_MATCH(DMI_BOARD_NAME, "X577"),
 		},
 	},
+	{
+		/* TongFang GXxHRXx/TUXEDO InfinityBook Pro Gen9 AMD */
+		.matches = {
+			DMI_MATCH(DMI_BOARD_NAME, "GXxHRXx"),
+		},
+	},
+	{
+		/* TongFang GMxHGxx/TUXEDO Stellaris Slim Gen1 AMD */
+		.matches = {
+			DMI_MATCH(DMI_BOARD_NAME, "GMxHGxx"),
+		},
+	},
 	{ }
 };
 
diff --git a/drivers/ata/pata_legacy.c b/drivers/ata/pata_legacy.c
index 03c580625c2cc..55b462ce99df0 100644
--- a/drivers/ata/pata_legacy.c
+++ b/drivers/ata/pata_legacy.c
@@ -173,8 +173,6 @@ static int legacy_port[NR_HOST] = { 0x1f0, 0x170, 0x1e8, 0x168, 0x1e0, 0x160 };
 static struct legacy_probe probe_list[NR_HOST];
 static struct legacy_data legacy_data[NR_HOST];
 static struct ata_host *legacy_host[NR_HOST];
-static int nr_legacy_host;
-
 
 /**
  *	legacy_probe_add	-	Add interface to probe list
@@ -1276,9 +1274,11 @@ static __exit void legacy_exit(void)
 {
 	int i;
 
-	for (i = 0; i < nr_legacy_host; i++) {
+	for (i = 0; i < NR_HOST; i++) {
 		struct legacy_data *ld = &legacy_data[i];
-		ata_host_detach(legacy_host[i]);
+
+		if (legacy_host[i])
+			ata_host_detach(legacy_host[i]);
 		platform_device_unregister(ld->platform_dev);
 	}
 }
diff --git a/drivers/bluetooth/btrtl.c b/drivers/bluetooth/btrtl.c
index ead632595ce06..5671f0d9ab28c 100644
--- a/drivers/bluetooth/btrtl.c
+++ b/drivers/bluetooth/btrtl.c
@@ -1074,19 +1074,33 @@ MODULE_FIRMWARE("rtl_bt/rtl8723cs_vf_fw.bin");
 MODULE_FIRMWARE("rtl_bt/rtl8723cs_vf_config.bin");
 MODULE_FIRMWARE("rtl_bt/rtl8723cs_xx_fw.bin");
 MODULE_FIRMWARE("rtl_bt/rtl8723cs_xx_config.bin");
+MODULE_FIRMWARE("rtl_bt/rtl8723d_fw.bin");
+MODULE_FIRMWARE("rtl_bt/rtl8723d_config.bin");
 MODULE_FIRMWARE("rtl_bt/rtl8723ds_fw.bin");
 MODULE_FIRMWARE("rtl_bt/rtl8723ds_config.bin");
 MODULE_FIRMWARE("rtl_bt/rtl8761a_fw.bin");
 MODULE_FIRMWARE("rtl_bt/rtl8761a_config.bin");
+MODULE_FIRMWARE("rtl_bt/rtl8761b_fw.bin");
+MODULE_FIRMWARE("rtl_bt/rtl8761b_config.bin");
+MODULE_FIRMWARE("rtl_bt/rtl8761bu_fw.bin");
+MODULE_FIRMWARE("rtl_bt/rtl8761bu_config.bin");
 MODULE_FIRMWARE("rtl_bt/rtl8821a_fw.bin");
 MODULE_FIRMWARE("rtl_bt/rtl8821a_config.bin");
+MODULE_FIRMWARE("rtl_bt/rtl8821c_fw.bin");
+MODULE_FIRMWARE("rtl_bt/rtl8821c_config.bin");
+MODULE_FIRMWARE("rtl_bt/rtl8821cs_fw.bin");
+MODULE_FIRMWARE("rtl_bt/rtl8821cs_config.bin");
 MODULE_FIRMWARE("rtl_bt/rtl8822b_fw.bin");
 MODULE_FIRMWARE("rtl_bt/rtl8822b_config.bin");
+MODULE_FIRMWARE("rtl_bt/rtl8822cs_fw.bin");
+MODULE_FIRMWARE("rtl_bt/rtl8822cs_config.bin");
+MODULE_FIRMWARE("rtl_bt/rtl8822cu_fw.bin");
+MODULE_FIRMWARE("rtl_bt/rtl8822cu_config.bin");
+MODULE_FIRMWARE("rtl_bt/rtl8851bu_fw.bin");
+MODULE_FIRMWARE("rtl_bt/rtl8851bu_config.bin");
 MODULE_FIRMWARE("rtl_bt/rtl8852au_fw.bin");
 MODULE_FIRMWARE("rtl_bt/rtl8852au_config.bin");
 MODULE_FIRMWARE("rtl_bt/rtl8852bu_fw.bin");
 MODULE_FIRMWARE("rtl_bt/rtl8852bu_config.bin");
 MODULE_FIRMWARE("rtl_bt/rtl8852cu_fw.bin");
 MODULE_FIRMWARE("rtl_bt/rtl8852cu_config.bin");
-MODULE_FIRMWARE("rtl_bt/rtl8851bu_fw.bin");
-MODULE_FIRMWARE("rtl_bt/rtl8851bu_config.bin");
diff --git a/drivers/cpufreq/amd-pstate.c b/drivers/cpufreq/amd-pstate.c
index 90dcf26f09731..9f147e9eafb63 100644
--- a/drivers/cpufreq/amd-pstate.c
+++ b/drivers/cpufreq/amd-pstate.c
@@ -424,7 +424,7 @@ static int amd_pstate_set_boost(struct cpufreq_policy *policy, int state)
 	if (state)
 		policy->cpuinfo.max_freq = cpudata->max_freq;
 	else
-		policy->cpuinfo.max_freq = cpudata->nominal_freq;
+		policy->cpuinfo.max_freq = cpudata->nominal_freq * 1000;
 
 	policy->max = policy->cpuinfo.max_freq;
 
diff --git a/drivers/crypto/qat/qat_common/adf_aer.c b/drivers/crypto/qat/qat_common/adf_aer.c
index 4f36b5a9164a7..d4bf6cd927a2a 100644
--- a/drivers/crypto/qat/qat_common/adf_aer.c
+++ b/drivers/crypto/qat/qat_common/adf_aer.c
@@ -95,8 +95,7 @@ static void adf_device_reset_worker(struct work_struct *work)
 	if (adf_dev_init(accel_dev) || adf_dev_start(accel_dev)) {
 		/* The device hanged and we can't restart it so stop here */
 		dev_err(&GET_DEV(accel_dev), "Restart device failed\n");
-		if (reset_data->mode == ADF_DEV_RESET_ASYNC ||
-		    completion_done(&reset_data->compl))
+		if (reset_data->mode == ADF_DEV_RESET_ASYNC)
 			kfree(reset_data);
 		WARN(1, "QAT: device restart failed. Device is unusable\n");
 		return;
@@ -104,16 +103,8 @@ static void adf_device_reset_worker(struct work_struct *work)
 	adf_dev_restarted_notify(accel_dev);
 	clear_bit(ADF_STATUS_RESTARTING, &accel_dev->status);
 
-	/*
-	 * The dev is back alive. Notify the caller if in sync mode
-	 *
-	 * If device restart will take a more time than expected,
-	 * the schedule_reset() function can timeout and exit. This can be
-	 * detected by calling the completion_done() function. In this case
-	 * the reset_data structure needs to be freed here.
-	 */
-	if (reset_data->mode == ADF_DEV_RESET_ASYNC ||
-	    completion_done(&reset_data->compl))
+	/* The dev is back alive. Notify the caller if in sync mode */
+	if (reset_data->mode == ADF_DEV_RESET_ASYNC)
 		kfree(reset_data);
 	else
 		complete(&reset_data->compl);
@@ -148,10 +139,10 @@ static int adf_dev_aer_schedule_reset(struct adf_accel_dev *accel_dev,
 		if (!timeout) {
 			dev_err(&GET_DEV(accel_dev),
 				"Reset device timeout expired\n");
+			cancel_work_sync(&reset_data->reset_work);
 			ret = -EFAULT;
-		} else {
-			kfree(reset_data);
 		}
+		kfree(reset_data);
 		return ret;
 	}
 	return 0;
diff --git a/drivers/edac/igen6_edac.c b/drivers/edac/igen6_edac.c
index 8ec70da8d84fe..c46880a934da0 100644
--- a/drivers/edac/igen6_edac.c
+++ b/drivers/edac/igen6_edac.c
@@ -627,7 +627,7 @@ static int errcmd_enable_error_reporting(bool enable)
 
 	rc = pci_read_config_word(imc->pdev, ERRCMD_OFFSET, &errcmd);
 	if (rc)
-		return rc;
+		return pcibios_err_to_errno(rc);
 
 	if (enable)
 		errcmd |= ERRCMD_CE | ERRSTS_UE;
@@ -636,7 +636,7 @@ static int errcmd_enable_error_reporting(bool enable)
 
 	rc = pci_write_config_word(imc->pdev, ERRCMD_OFFSET, errcmd);
 	if (rc)
-		return rc;
+		return pcibios_err_to_errno(rc);
 
 	return 0;
 }
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c
index 9b97fa39d47a2..0d017dc94f013 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_atomfirmware.c
@@ -207,6 +207,7 @@ union igp_info {
 	struct atom_integrated_system_info_v1_11 v11;
 	struct atom_integrated_system_info_v1_12 v12;
 	struct atom_integrated_system_info_v2_1 v21;
+	struct atom_integrated_system_info_v2_3 v23;
 };
 
 union umc_info {
@@ -347,6 +348,20 @@ amdgpu_atomfirmware_get_vram_info(struct amdgpu_device *adev,
 					if (vram_type)
 						*vram_type = convert_atom_mem_type_to_vram_type(adev, mem_type);
 					break;
+				case 3:
+					mem_channel_number = igp_info->v23.umachannelnumber;
+					if (!mem_channel_number)
+						mem_channel_number = 1;
+					mem_type = igp_info->v23.memorytype;
+					if (mem_type == LpDdr5MemType)
+						mem_channel_width = 32;
+					else
+						mem_channel_width = 64;
+					if (vram_width)
+						*vram_width = mem_channel_number * mem_channel_width;
+					if (vram_type)
+						*vram_type = convert_atom_mem_type_to_vram_type(adev, mem_type);
+					break;
 				default:
 					return -EINVAL;
 				}
diff --git a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
index 97b033dfe9e45..68cdb6682776a 100644
--- a/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/sdma_v4_0.c
@@ -2049,6 +2049,9 @@ static int sdma_v4_0_process_trap_irq(struct amdgpu_device *adev,
 
 	DRM_DEBUG("IH: SDMA trap\n");
 	instance = sdma_v4_0_irq_id_to_seq(entry->client_id);
+	if (instance < 0)
+		return instance;
+
 	switch (entry->ring_id) {
 	case 0:
 		amdgpu_fence_process(&adev->sdma.instance[instance].ring);
diff --git a/drivers/gpu/drm/amd/include/atomfirmware.h b/drivers/gpu/drm/amd/include/atomfirmware.h
index bbe1337a8cee3..e2207f1c5bad3 100644
--- a/drivers/gpu/drm/amd/include/atomfirmware.h
+++ b/drivers/gpu/drm/amd/include/atomfirmware.h
@@ -1624,6 +1624,49 @@ struct atom_integrated_system_info_v2_2
 	uint32_t  reserved4[189];
 };
 
+struct uma_carveout_option {
+  char       optionName[29];        //max length of string is 28chars + '\0'. Current design is for "minimum", "Medium", "High". This makes entire struct size 64bits
+  uint8_t    memoryCarvedGb;        //memory carved out with setting
+  uint8_t    memoryRemainingGb;     //memory remaining on system
+  union {
+    struct _flags {
+      uint8_t Auto     : 1;
+      uint8_t Custom   : 1;
+      uint8_t Reserved : 6;
+    } flags;
+    uint8_t all8;
+  } uma_carveout_option_flags;
+};
+
+struct atom_integrated_system_info_v2_3 {
+  struct  atom_common_table_header table_header;
+  uint32_t  vbios_misc; // enum of atom_system_vbiosmisc_def
+  uint32_t  gpucapinfo; // enum of atom_system_gpucapinf_def
+  uint32_t  system_config;
+  uint32_t  cpucapinfo;
+  uint16_t  gpuclk_ss_percentage; // unit of 0.001%,   1000 mean 1%
+  uint16_t  gpuclk_ss_type;
+  uint16_t  dpphy_override;  // bit vector, enum of atom_sysinfo_dpphy_override_def
+  uint8_t memorytype;       // enum of atom_dmi_t17_mem_type_def, APU memory type indication.
+  uint8_t umachannelnumber; // number of memory channels
+  uint8_t htc_hyst_limit;
+  uint8_t htc_tmp_limit;
+  uint8_t reserved1; // dp_ss_control
+  uint8_t gpu_package_id;
+  struct  edp_info_table  edp1_info;
+  struct  edp_info_table  edp2_info;
+  uint32_t  reserved2[8];
+  struct  atom_external_display_connection_info extdispconninfo;
+  uint8_t UMACarveoutVersion;
+  uint8_t UMACarveoutIndexMax;
+  uint8_t UMACarveoutTypeDefault;
+  uint8_t UMACarveoutIndexDefault;
+  uint8_t UMACarveoutType;           //Auto or Custom
+  uint8_t UMACarveoutIndex;
+  struct  uma_carveout_option UMASizeControlOption[20];
+  uint8_t reserved3[110];
+};
+
 // system_config
 enum atom_system_vbiosmisc_def{
   INTEGRATED_SYSTEM_INFO__GET_EDID_CALLBACK_FUNC_SUPPORT = 0x01,
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_4_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_4_ppt.c
index 5de31961319a2..b464a1f7e393c 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_4_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu13/smu_v13_0_4_ppt.c
@@ -222,15 +222,17 @@ static int smu_v13_0_4_system_features_control(struct smu_context *smu, bool en)
 	struct amdgpu_device *adev = smu->adev;
 	int ret = 0;
 
-	if (!en && adev->in_s4) {
-		/* Adds a GFX reset as workaround just before sending the
-		 * MP1_UNLOAD message to prevent GC/RLC/PMFW from entering
-		 * an invalid state.
-		 */
-		ret = smu_cmn_send_smc_msg_with_param(smu, SMU_MSG_GfxDeviceDriverReset,
-						      SMU_RESET_MODE_2, NULL);
-		if (ret)
-			return ret;
+	if (!en && !adev->in_s0ix) {
+		if (adev->in_s4) {
+			/* Adds a GFX reset as workaround just before sending the
+			 * MP1_UNLOAD message to prevent GC/RLC/PMFW from entering
+			 * an invalid state.
+			 */
+			ret = smu_cmn_send_smc_msg_with_param(smu, SMU_MSG_GfxDeviceDriverReset,
+							      SMU_RESET_MODE_2, NULL);
+			if (ret)
+				return ret;
+		}
 
 		ret = smu_cmn_send_smc_msg(smu, SMU_MSG_PrepareMp1ForUnload, NULL);
 	}
diff --git a/drivers/gpu/drm/drm_modeset_helper.c b/drivers/gpu/drm/drm_modeset_helper.c
index f858dfedf2cfc..2c582020cb423 100644
--- a/drivers/gpu/drm/drm_modeset_helper.c
+++ b/drivers/gpu/drm/drm_modeset_helper.c
@@ -193,13 +193,22 @@ int drm_mode_config_helper_suspend(struct drm_device *dev)
 
 	if (!dev)
 		return 0;
+	/*
+	 * Don't disable polling if it was never initialized
+	 */
+	if (dev->mode_config.poll_enabled)
+		drm_kms_helper_poll_disable(dev);
 
-	drm_kms_helper_poll_disable(dev);
 	drm_fb_helper_set_suspend_unlocked(dev->fb_helper, 1);
 	state = drm_atomic_helper_suspend(dev);
 	if (IS_ERR(state)) {
 		drm_fb_helper_set_suspend_unlocked(dev->fb_helper, 0);
-		drm_kms_helper_poll_enable(dev);
+		/*
+		 * Don't enable polling if it was never initialized
+		 */
+		if (dev->mode_config.poll_enabled)
+			drm_kms_helper_poll_enable(dev);
+
 		return PTR_ERR(state);
 	}
 
@@ -239,7 +248,11 @@ int drm_mode_config_helper_resume(struct drm_device *dev)
 	dev->mode_config.suspend_state = NULL;
 
 	drm_fb_helper_set_suspend_unlocked(dev->fb_helper, 0);
-	drm_kms_helper_poll_enable(dev);
+	/*
+	 * Don't enable polling if it is not initialized
+	 */
+	if (dev->mode_config.poll_enabled)
+		drm_kms_helper_poll_enable(dev);
 
 	return ret;
 }
diff --git a/drivers/gpu/drm/drm_probe_helper.c b/drivers/gpu/drm/drm_probe_helper.c
index 52dbaf74fe164..0e5eadc6d44de 100644
--- a/drivers/gpu/drm/drm_probe_helper.c
+++ b/drivers/gpu/drm/drm_probe_helper.c
@@ -235,6 +235,9 @@ drm_connector_mode_valid(struct drm_connector *connector,
  * Drivers can call this helper from their device resume implementation. It is
  * not an error to call this even when output polling isn't enabled.
  *
+ * If device polling was never initialized before, this call will trigger a
+ * warning and return.
+ *
  * Note that calls to enable and disable polling must be strictly ordered, which
  * is automatically the case when they're only call from suspend/resume
  * callbacks.
@@ -246,7 +249,8 @@ void drm_kms_helper_poll_enable(struct drm_device *dev)
 	struct drm_connector_list_iter conn_iter;
 	unsigned long delay = DRM_OUTPUT_POLL_PERIOD;
 
-	if (!dev->mode_config.poll_enabled || !drm_kms_helper_poll)
+	if (drm_WARN_ON_ONCE(dev, !dev->mode_config.poll_enabled) ||
+	    !drm_kms_helper_poll || dev->mode_config.poll_running)
 		return;
 
 	drm_connector_list_iter_begin(dev, &conn_iter);
@@ -570,7 +574,8 @@ int drm_helper_probe_single_connector_modes(struct drm_connector *connector,
 	}
 
 	/* Re-enable polling in case the global poll config changed. */
-	if (drm_kms_helper_poll != dev->mode_config.poll_running)
+	if (dev->mode_config.poll_enabled &&
+	    (drm_kms_helper_poll != dev->mode_config.poll_running))
 		drm_kms_helper_poll_enable(dev);
 
 	dev->mode_config.poll_running = drm_kms_helper_poll;
@@ -821,14 +826,18 @@ EXPORT_SYMBOL(drm_kms_helper_is_poll_worker);
  * not an error to call this even when output polling isn't enabled or already
  * disabled. Polling is re-enabled by calling drm_kms_helper_poll_enable().
  *
+ * If however, the polling was never initialized, this call will trigger a
+ * warning and return
+ *
  * Note that calls to enable and disable polling must be strictly ordered, which
  * is automatically the case when they're only call from suspend/resume
  * callbacks.
  */
 void drm_kms_helper_poll_disable(struct drm_device *dev)
 {
-	if (!dev->mode_config.poll_enabled)
+	if (drm_WARN_ON(dev, !dev->mode_config.poll_enabled))
 		return;
+
 	cancel_delayed_work_sync(&dev->mode_config.output_poll_work);
 }
 EXPORT_SYMBOL(drm_kms_helper_poll_disable);
diff --git a/drivers/gpu/drm/i915/display/intel_audio.c b/drivers/gpu/drm/i915/display/intel_audio.c
index aacbc6da84efa..a5fa0682110a2 100644
--- a/drivers/gpu/drm/i915/display/intel_audio.c
+++ b/drivers/gpu/drm/i915/display/intel_audio.c
@@ -73,19 +73,6 @@ struct intel_audio_funcs {
 				    const struct drm_connector_state *old_conn_state);
 };
 
-/* DP N/M table */
-#define LC_810M	810000
-#define LC_540M	540000
-#define LC_270M	270000
-#define LC_162M	162000
-
-struct dp_aud_n_m {
-	int sample_rate;
-	int clock;
-	u16 m;
-	u16 n;
-};
-
 struct hdmi_aud_ncts {
 	int sample_rate;
 	int clock;
@@ -93,60 +80,6 @@ struct hdmi_aud_ncts {
 	int cts;
 };
 
-/* Values according to DP 1.4 Table 2-104 */
-static const struct dp_aud_n_m dp_aud_n_m[] = {
-	{ 32000, LC_162M, 1024, 10125 },
-	{ 44100, LC_162M, 784, 5625 },
-	{ 48000, LC_162M, 512, 3375 },
-	{ 64000, LC_162M, 2048, 10125 },
-	{ 88200, LC_162M, 1568, 5625 },
-	{ 96000, LC_162M, 1024, 3375 },
-	{ 128000, LC_162M, 4096, 10125 },
-	{ 176400, LC_162M, 3136, 5625 },
-	{ 192000, LC_162M, 2048, 3375 },
-	{ 32000, LC_270M, 1024, 16875 },
-	{ 44100, LC_270M, 784, 9375 },
-	{ 48000, LC_270M, 512, 5625 },
-	{ 64000, LC_270M, 2048, 16875 },
-	{ 88200, LC_270M, 1568, 9375 },
-	{ 96000, LC_270M, 1024, 5625 },
-	{ 128000, LC_270M, 4096, 16875 },
-	{ 176400, LC_270M, 3136, 9375 },
-	{ 192000, LC_270M, 2048, 5625 },
-	{ 32000, LC_540M, 1024, 33750 },
-	{ 44100, LC_540M, 784, 18750 },
-	{ 48000, LC_540M, 512, 11250 },
-	{ 64000, LC_540M, 2048, 33750 },
-	{ 88200, LC_540M, 1568, 18750 },
-	{ 96000, LC_540M, 1024, 11250 },
-	{ 128000, LC_540M, 4096, 33750 },
-	{ 176400, LC_540M, 3136, 18750 },
-	{ 192000, LC_540M, 2048, 11250 },
-	{ 32000, LC_810M, 1024, 50625 },
-	{ 44100, LC_810M, 784, 28125 },
-	{ 48000, LC_810M, 512, 16875 },
-	{ 64000, LC_810M, 2048, 50625 },
-	{ 88200, LC_810M, 1568, 28125 },
-	{ 96000, LC_810M, 1024, 16875 },
-	{ 128000, LC_810M, 4096, 50625 },
-	{ 176400, LC_810M, 3136, 28125 },
-	{ 192000, LC_810M, 2048, 16875 },
-};
-
-static const struct dp_aud_n_m *
-audio_config_dp_get_n_m(const struct intel_crtc_state *crtc_state, int rate)
-{
-	int i;
-
-	for (i = 0; i < ARRAY_SIZE(dp_aud_n_m); i++) {
-		if (rate == dp_aud_n_m[i].sample_rate &&
-		    crtc_state->port_clock == dp_aud_n_m[i].clock)
-			return &dp_aud_n_m[i];
-	}
-
-	return NULL;
-}
-
 static const struct {
 	int clock;
 	u32 config;
@@ -392,48 +325,17 @@ static void
 hsw_dp_audio_config_update(struct intel_encoder *encoder,
 			   const struct intel_crtc_state *crtc_state)
 {
-	struct drm_i915_private *dev_priv = to_i915(encoder->base.dev);
-	struct i915_audio_component *acomp = dev_priv->display.audio.component;
+	struct drm_i915_private *i915 = to_i915(encoder->base.dev);
 	enum transcoder cpu_transcoder = crtc_state->cpu_transcoder;
-	enum port port = encoder->port;
-	const struct dp_aud_n_m *nm;
-	int rate;
-	u32 tmp;
 
-	rate = acomp ? acomp->aud_sample_rate[port] : 0;
-	nm = audio_config_dp_get_n_m(crtc_state, rate);
-	if (nm)
-		drm_dbg_kms(&dev_priv->drm, "using Maud %u, Naud %u\n", nm->m,
-			    nm->n);
-	else
-		drm_dbg_kms(&dev_priv->drm, "using automatic Maud, Naud\n");
-
-	tmp = intel_de_read(dev_priv, HSW_AUD_CFG(cpu_transcoder));
-	tmp &= ~AUD_CONFIG_N_VALUE_INDEX;
-	tmp &= ~AUD_CONFIG_PIXEL_CLOCK_HDMI_MASK;
-	tmp &= ~AUD_CONFIG_N_PROG_ENABLE;
-	tmp |= AUD_CONFIG_N_VALUE_INDEX;
-
-	if (nm) {
-		tmp &= ~AUD_CONFIG_N_MASK;
-		tmp |= AUD_CONFIG_N(nm->n);
-		tmp |= AUD_CONFIG_N_PROG_ENABLE;
-	}
-
-	intel_de_write(dev_priv, HSW_AUD_CFG(cpu_transcoder), tmp);
-
-	tmp = intel_de_read(dev_priv, HSW_AUD_M_CTS_ENABLE(cpu_transcoder));
-	tmp &= ~AUD_CONFIG_M_MASK;
-	tmp &= ~AUD_M_CTS_M_VALUE_INDEX;
-	tmp &= ~AUD_M_CTS_M_PROG_ENABLE;
-
-	if (nm) {
-		tmp |= nm->m;
-		tmp |= AUD_M_CTS_M_VALUE_INDEX;
-		tmp |= AUD_M_CTS_M_PROG_ENABLE;
-	}
-
-	intel_de_write(dev_priv, HSW_AUD_M_CTS_ENABLE(cpu_transcoder), tmp);
+	/* Enable time stamps. Let HW calculate Maud/Naud values */
+	intel_de_rmw(i915, HSW_AUD_CFG(cpu_transcoder),
+		     AUD_CONFIG_N_VALUE_INDEX |
+		     AUD_CONFIG_PIXEL_CLOCK_HDMI_MASK |
+		     AUD_CONFIG_UPPER_N_MASK |
+		     AUD_CONFIG_LOWER_N_MASK |
+		     AUD_CONFIG_N_PROG_ENABLE,
+		     AUD_CONFIG_N_VALUE_INDEX);
 }
 
 static void
diff --git a/drivers/hwtracing/intel_th/pci.c b/drivers/hwtracing/intel_th/pci.c
index 147d338c191e7..648893f9e4b67 100644
--- a/drivers/hwtracing/intel_th/pci.c
+++ b/drivers/hwtracing/intel_th/pci.c
@@ -289,6 +289,11 @@ static const struct pci_device_id intel_th_pci_id_table[] = {
 		PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x7e24),
 		.driver_data = (kernel_ulong_t)&intel_th_2x,
 	},
+	{
+		/* Meteor Lake-S CPU */
+		PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0xae24),
+		.driver_data = (kernel_ulong_t)&intel_th_2x,
+	},
 	{
 		/* Raptor Lake-S */
 		PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x7a26),
diff --git a/drivers/i3c/master/svc-i3c-master.c b/drivers/i3c/master/svc-i3c-master.c
index f30d457e91196..e71c90e5ac60c 100644
--- a/drivers/i3c/master/svc-i3c-master.c
+++ b/drivers/i3c/master/svc-i3c-master.c
@@ -397,6 +397,19 @@ static void svc_i3c_master_ibi_work(struct work_struct *work)
 	int ret;
 
 	mutex_lock(&master->lock);
+	/*
+	 * IBIWON may be set before SVC_I3C_MCTRL_REQUEST_AUTO_IBI, causing
+	 * readl_relaxed_poll_timeout() to return immediately. Consequently,
+	 * ibitype will be 0 since it was last updated only after the 8th SCL
+	 * cycle, leading to missed client IBI handlers.
+	 *
+	 * A typical scenario is when IBIWON occurs and bus arbitration is lost
+	 * at svc_i3c_master_priv_xfers().
+	 *
+	 * Clear SVC_I3C_MINT_IBIWON before sending SVC_I3C_MCTRL_REQUEST_AUTO_IBI.
+	 */
+	writel(SVC_I3C_MINT_IBIWON, master->regs + SVC_I3C_MSTATUS);
+
 	/* Acknowledge the incoming interrupt with the AUTOIBI mechanism */
 	writel(SVC_I3C_MCTRL_REQUEST_AUTO_IBI |
 	       SVC_I3C_MCTRL_IBIRESP_AUTO,
@@ -411,9 +424,6 @@ static void svc_i3c_master_ibi_work(struct work_struct *work)
 		goto reenable_ibis;
 	}
 
-	/* Clear the interrupt status */
-	writel(SVC_I3C_MINT_IBIWON, master->regs + SVC_I3C_MSTATUS);
-
 	status = readl(master->regs + SVC_I3C_MSTATUS);
 	ibitype = SVC_I3C_MSTATUS_IBITYPE(status);
 	ibiaddr = SVC_I3C_MSTATUS_IBIADDR(status);
diff --git a/drivers/md/bcache/bset.c b/drivers/md/bcache/bset.c
index 2bba4d6aaaa28..463eb13bd0b2a 100644
--- a/drivers/md/bcache/bset.c
+++ b/drivers/md/bcache/bset.c
@@ -54,7 +54,7 @@ void bch_dump_bucket(struct btree_keys *b)
 int __bch_count_data(struct btree_keys *b)
 {
 	unsigned int ret = 0;
-	struct btree_iter iter;
+	struct btree_iter_stack iter;
 	struct bkey *k;
 
 	if (b->ops->is_extents)
@@ -67,7 +67,7 @@ void __bch_check_keys(struct btree_keys *b, const char *fmt, ...)
 {
 	va_list args;
 	struct bkey *k, *p = NULL;
-	struct btree_iter iter;
+	struct btree_iter_stack iter;
 	const char *err;
 
 	for_each_key(b, k, &iter) {
@@ -879,7 +879,7 @@ unsigned int bch_btree_insert_key(struct btree_keys *b, struct bkey *k,
 	unsigned int status = BTREE_INSERT_STATUS_NO_INSERT;
 	struct bset *i = bset_tree_last(b)->data;
 	struct bkey *m, *prev = NULL;
-	struct btree_iter iter;
+	struct btree_iter_stack iter;
 	struct bkey preceding_key_on_stack = ZERO_KEY;
 	struct bkey *preceding_key_p = &preceding_key_on_stack;
 
@@ -895,9 +895,9 @@ unsigned int bch_btree_insert_key(struct btree_keys *b, struct bkey *k,
 	else
 		preceding_key(k, &preceding_key_p);
 
-	m = bch_btree_iter_init(b, &iter, preceding_key_p);
+	m = bch_btree_iter_stack_init(b, &iter, preceding_key_p);
 
-	if (b->ops->insert_fixup(b, k, &iter, replace_key))
+	if (b->ops->insert_fixup(b, k, &iter.iter, replace_key))
 		return status;
 
 	status = BTREE_INSERT_STATUS_INSERT;
@@ -1100,33 +1100,33 @@ void bch_btree_iter_push(struct btree_iter *iter, struct bkey *k,
 				 btree_iter_cmp));
 }
 
-static struct bkey *__bch_btree_iter_init(struct btree_keys *b,
-					  struct btree_iter *iter,
-					  struct bkey *search,
-					  struct bset_tree *start)
+static struct bkey *__bch_btree_iter_stack_init(struct btree_keys *b,
+						struct btree_iter_stack *iter,
+						struct bkey *search,
+						struct bset_tree *start)
 {
 	struct bkey *ret = NULL;
 
-	iter->size = ARRAY_SIZE(iter->data);
-	iter->used = 0;
+	iter->iter.size = ARRAY_SIZE(iter->stack_data);
+	iter->iter.used = 0;
 
 #ifdef CONFIG_BCACHE_DEBUG
-	iter->b = b;
+	iter->iter.b = b;
 #endif
 
 	for (; start <= bset_tree_last(b); start++) {
 		ret = bch_bset_search(b, start, search);
-		bch_btree_iter_push(iter, ret, bset_bkey_last(start->data));
+		bch_btree_iter_push(&iter->iter, ret, bset_bkey_last(start->data));
 	}
 
 	return ret;
 }
 
-struct bkey *bch_btree_iter_init(struct btree_keys *b,
-				 struct btree_iter *iter,
+struct bkey *bch_btree_iter_stack_init(struct btree_keys *b,
+				 struct btree_iter_stack *iter,
 				 struct bkey *search)
 {
-	return __bch_btree_iter_init(b, iter, search, b->set);
+	return __bch_btree_iter_stack_init(b, iter, search, b->set);
 }
 
 static inline struct bkey *__bch_btree_iter_next(struct btree_iter *iter,
@@ -1293,10 +1293,10 @@ void bch_btree_sort_partial(struct btree_keys *b, unsigned int start,
 			    struct bset_sort_state *state)
 {
 	size_t order = b->page_order, keys = 0;
-	struct btree_iter iter;
+	struct btree_iter_stack iter;
 	int oldsize = bch_count_data(b);
 
-	__bch_btree_iter_init(b, &iter, NULL, &b->set[start]);
+	__bch_btree_iter_stack_init(b, &iter, NULL, &b->set[start]);
 
 	if (start) {
 		unsigned int i;
@@ -1307,7 +1307,7 @@ void bch_btree_sort_partial(struct btree_keys *b, unsigned int start,
 		order = get_order(__set_bytes(b->set->data, keys));
 	}
 
-	__btree_sort(b, &iter, start, order, false, state);
+	__btree_sort(b, &iter.iter, start, order, false, state);
 
 	EBUG_ON(oldsize >= 0 && bch_count_data(b) != oldsize);
 }
@@ -1323,11 +1323,11 @@ void bch_btree_sort_into(struct btree_keys *b, struct btree_keys *new,
 			 struct bset_sort_state *state)
 {
 	uint64_t start_time = local_clock();
-	struct btree_iter iter;
+	struct btree_iter_stack iter;
 
-	bch_btree_iter_init(b, &iter, NULL);
+	bch_btree_iter_stack_init(b, &iter, NULL);
 
-	btree_mergesort(b, new->set->data, &iter, false, true);
+	btree_mergesort(b, new->set->data, &iter.iter, false, true);
 
 	bch_time_stats_update(&state->time, start_time);
 
diff --git a/drivers/md/bcache/bset.h b/drivers/md/bcache/bset.h
index d795c84246b01..011f6062c4c04 100644
--- a/drivers/md/bcache/bset.h
+++ b/drivers/md/bcache/bset.h
@@ -321,7 +321,14 @@ struct btree_iter {
 #endif
 	struct btree_iter_set {
 		struct bkey *k, *end;
-	} data[MAX_BSETS];
+	} data[];
+};
+
+/* Fixed-size btree_iter that can be allocated on the stack */
+
+struct btree_iter_stack {
+	struct btree_iter iter;
+	struct btree_iter_set stack_data[MAX_BSETS];
 };
 
 typedef bool (*ptr_filter_fn)(struct btree_keys *b, const struct bkey *k);
@@ -333,9 +340,9 @@ struct bkey *bch_btree_iter_next_filter(struct btree_iter *iter,
 
 void bch_btree_iter_push(struct btree_iter *iter, struct bkey *k,
 			 struct bkey *end);
-struct bkey *bch_btree_iter_init(struct btree_keys *b,
-				 struct btree_iter *iter,
-				 struct bkey *search);
+struct bkey *bch_btree_iter_stack_init(struct btree_keys *b,
+				       struct btree_iter_stack *iter,
+				       struct bkey *search);
 
 struct bkey *__bch_bset_search(struct btree_keys *b, struct bset_tree *t,
 			       const struct bkey *search);
@@ -350,13 +357,14 @@ static inline struct bkey *bch_bset_search(struct btree_keys *b,
 	return search ? __bch_bset_search(b, t, search) : t->data->start;
 }
 
-#define for_each_key_filter(b, k, iter, filter)				\
-	for (bch_btree_iter_init((b), (iter), NULL);			\
-	     ((k) = bch_btree_iter_next_filter((iter), (b), filter));)
+#define for_each_key_filter(b, k, stack_iter, filter)                      \
+	for (bch_btree_iter_stack_init((b), (stack_iter), NULL);           \
+	     ((k) = bch_btree_iter_next_filter(&((stack_iter)->iter), (b), \
+					       filter));)
 
-#define for_each_key(b, k, iter)					\
-	for (bch_btree_iter_init((b), (iter), NULL);			\
-	     ((k) = bch_btree_iter_next(iter));)
+#define for_each_key(b, k, stack_iter)                           \
+	for (bch_btree_iter_stack_init((b), (stack_iter), NULL); \
+	     ((k) = bch_btree_iter_next(&((stack_iter)->iter)));)
 
 /* Sorting */
 
diff --git a/drivers/md/bcache/btree.c b/drivers/md/bcache/btree.c
index 6a2f57ae0f3c2..d680c810e5e12 100644
--- a/drivers/md/bcache/btree.c
+++ b/drivers/md/bcache/btree.c
@@ -1283,7 +1283,7 @@ static bool btree_gc_mark_node(struct btree *b, struct gc_stat *gc)
 	uint8_t stale = 0;
 	unsigned int keys = 0, good_keys = 0;
 	struct bkey *k;
-	struct btree_iter iter;
+	struct btree_iter_stack iter;
 	struct bset_tree *t;
 
 	gc->nodes++;
@@ -1544,7 +1544,7 @@ static int btree_gc_rewrite_node(struct btree *b, struct btree_op *op,
 static unsigned int btree_gc_count_keys(struct btree *b)
 {
 	struct bkey *k;
-	struct btree_iter iter;
+	struct btree_iter_stack iter;
 	unsigned int ret = 0;
 
 	for_each_key_filter(&b->keys, k, &iter, bch_ptr_bad)
@@ -1585,17 +1585,18 @@ static int btree_gc_recurse(struct btree *b, struct btree_op *op,
 	int ret = 0;
 	bool should_rewrite;
 	struct bkey *k;
-	struct btree_iter iter;
+	struct btree_iter_stack iter;
 	struct gc_merge_info r[GC_MERGE_NODES];
 	struct gc_merge_info *i, *last = r + ARRAY_SIZE(r) - 1;
 
-	bch_btree_iter_init(&b->keys, &iter, &b->c->gc_done);
+	bch_btree_iter_stack_init(&b->keys, &iter, &b->c->gc_done);
 
 	for (i = r; i < r + ARRAY_SIZE(r); i++)
 		i->b = ERR_PTR(-EINTR);
 
 	while (1) {
-		k = bch_btree_iter_next_filter(&iter, &b->keys, bch_ptr_bad);
+		k = bch_btree_iter_next_filter(&iter.iter, &b->keys,
+					       bch_ptr_bad);
 		if (k) {
 			r->b = bch_btree_node_get(b->c, op, k, b->level - 1,
 						  true, b);
@@ -1885,7 +1886,7 @@ static int bch_btree_check_recurse(struct btree *b, struct btree_op *op)
 {
 	int ret = 0;
 	struct bkey *k, *p = NULL;
-	struct btree_iter iter;
+	struct btree_iter_stack iter;
 
 	for_each_key_filter(&b->keys, k, &iter, bch_ptr_invalid)
 		bch_initial_mark_key(b->c, b->level, k);
@@ -1893,10 +1894,10 @@ static int bch_btree_check_recurse(struct btree *b, struct btree_op *op)
 	bch_initial_mark_key(b->c, b->level + 1, &b->key);
 
 	if (b->level) {
-		bch_btree_iter_init(&b->keys, &iter, NULL);
+		bch_btree_iter_stack_init(&b->keys, &iter, NULL);
 
 		do {
-			k = bch_btree_iter_next_filter(&iter, &b->keys,
+			k = bch_btree_iter_next_filter(&iter.iter, &b->keys,
 						       bch_ptr_bad);
 			if (k) {
 				btree_node_prefetch(b, k);
@@ -1924,7 +1925,7 @@ static int bch_btree_check_thread(void *arg)
 	struct btree_check_info *info = arg;
 	struct btree_check_state *check_state = info->state;
 	struct cache_set *c = check_state->c;
-	struct btree_iter iter;
+	struct btree_iter_stack iter;
 	struct bkey *k, *p;
 	int cur_idx, prev_idx, skip_nr;
 
@@ -1933,8 +1934,8 @@ static int bch_btree_check_thread(void *arg)
 	ret = 0;
 
 	/* root node keys are checked before thread created */
-	bch_btree_iter_init(&c->root->keys, &iter, NULL);
-	k = bch_btree_iter_next_filter(&iter, &c->root->keys, bch_ptr_bad);
+	bch_btree_iter_stack_init(&c->root->keys, &iter, NULL);
+	k = bch_btree_iter_next_filter(&iter.iter, &c->root->keys, bch_ptr_bad);
 	BUG_ON(!k);
 
 	p = k;
@@ -1952,7 +1953,7 @@ static int bch_btree_check_thread(void *arg)
 		skip_nr = cur_idx - prev_idx;
 
 		while (skip_nr) {
-			k = bch_btree_iter_next_filter(&iter,
+			k = bch_btree_iter_next_filter(&iter.iter,
 						       &c->root->keys,
 						       bch_ptr_bad);
 			if (k)
@@ -2025,7 +2026,7 @@ int bch_btree_check(struct cache_set *c)
 	int ret = 0;
 	int i;
 	struct bkey *k = NULL;
-	struct btree_iter iter;
+	struct btree_iter_stack iter;
 	struct btree_check_state check_state;
 
 	/* check and mark root node keys */
@@ -2521,11 +2522,11 @@ static int bch_btree_map_nodes_recurse(struct btree *b, struct btree_op *op,
 
 	if (b->level) {
 		struct bkey *k;
-		struct btree_iter iter;
+		struct btree_iter_stack iter;
 
-		bch_btree_iter_init(&b->keys, &iter, from);
+		bch_btree_iter_stack_init(&b->keys, &iter, from);
 
-		while ((k = bch_btree_iter_next_filter(&iter, &b->keys,
+		while ((k = bch_btree_iter_next_filter(&iter.iter, &b->keys,
 						       bch_ptr_bad))) {
 			ret = bcache_btree(map_nodes_recurse, k, b,
 				    op, from, fn, flags);
@@ -2554,11 +2555,12 @@ int bch_btree_map_keys_recurse(struct btree *b, struct btree_op *op,
 {
 	int ret = MAP_CONTINUE;
 	struct bkey *k;
-	struct btree_iter iter;
+	struct btree_iter_stack iter;
 
-	bch_btree_iter_init(&b->keys, &iter, from);
+	bch_btree_iter_stack_init(&b->keys, &iter, from);
 
-	while ((k = bch_btree_iter_next_filter(&iter, &b->keys, bch_ptr_bad))) {
+	while ((k = bch_btree_iter_next_filter(&iter.iter, &b->keys,
+					       bch_ptr_bad))) {
 		ret = !b->level
 			? fn(op, b, k)
 			: bcache_btree(map_keys_recurse, k,
diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c
index 70e5bd8961d2f..659f6777b9737 100644
--- a/drivers/md/bcache/super.c
+++ b/drivers/md/bcache/super.c
@@ -1915,8 +1915,9 @@ struct cache_set *bch_cache_set_alloc(struct cache_sb *sb)
 	INIT_LIST_HEAD(&c->btree_cache_freed);
 	INIT_LIST_HEAD(&c->data_buckets);
 
-	iter_size = ((meta_bucket_pages(sb) * PAGE_SECTORS) / sb->block_size + 1) *
-		sizeof(struct btree_iter_set);
+	iter_size = sizeof(struct btree_iter) +
+		    ((meta_bucket_pages(sb) * PAGE_SECTORS) / sb->block_size) *
+			    sizeof(struct btree_iter_set);
 
 	c->devices = kcalloc(c->nr_uuids, sizeof(void *), GFP_KERNEL);
 	if (!c->devices)
diff --git a/drivers/md/bcache/sysfs.c b/drivers/md/bcache/sysfs.c
index 025fe6479bb68..15749ba958c80 100644
--- a/drivers/md/bcache/sysfs.c
+++ b/drivers/md/bcache/sysfs.c
@@ -660,7 +660,7 @@ static unsigned int bch_root_usage(struct cache_set *c)
 	unsigned int bytes = 0;
 	struct bkey *k;
 	struct btree *b;
-	struct btree_iter iter;
+	struct btree_iter_stack iter;
 
 	goto lock_root;
 
diff --git a/drivers/md/bcache/writeback.c b/drivers/md/bcache/writeback.c
index 18c6e0d2877b5..6081dc6fd0132 100644
--- a/drivers/md/bcache/writeback.c
+++ b/drivers/md/bcache/writeback.c
@@ -908,15 +908,15 @@ static int bch_dirty_init_thread(void *arg)
 	struct dirty_init_thrd_info *info = arg;
 	struct bch_dirty_init_state *state = info->state;
 	struct cache_set *c = state->c;
-	struct btree_iter iter;
+	struct btree_iter_stack iter;
 	struct bkey *k, *p;
 	int cur_idx, prev_idx, skip_nr;
 
 	k = p = NULL;
 	prev_idx = 0;
 
-	bch_btree_iter_init(&c->root->keys, &iter, NULL);
-	k = bch_btree_iter_next_filter(&iter, &c->root->keys, bch_ptr_bad);
+	bch_btree_iter_stack_init(&c->root->keys, &iter, NULL);
+	k = bch_btree_iter_next_filter(&iter.iter, &c->root->keys, bch_ptr_bad);
 	BUG_ON(!k);
 
 	p = k;
@@ -930,7 +930,7 @@ static int bch_dirty_init_thread(void *arg)
 		skip_nr = cur_idx - prev_idx;
 
 		while (skip_nr) {
-			k = bch_btree_iter_next_filter(&iter,
+			k = bch_btree_iter_next_filter(&iter.iter,
 						       &c->root->keys,
 						       bch_ptr_bad);
 			if (k)
@@ -979,7 +979,7 @@ void bch_sectors_dirty_init(struct bcache_device *d)
 	int i;
 	struct btree *b = NULL;
 	struct bkey *k = NULL;
-	struct btree_iter iter;
+	struct btree_iter_stack iter;
 	struct sectors_dirty_init op;
 	struct cache_set *c = d->c;
 	struct bch_dirty_init_state state;
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 8cf2317857e0a..ed99b449d8fd4 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -36,7 +36,6 @@
  */
 
 #include <linux/blkdev.h>
-#include <linux/delay.h>
 #include <linux/kthread.h>
 #include <linux/raid/pq.h>
 #include <linux/async_tx.h>
@@ -6797,6 +6796,9 @@ static void raid5d(struct md_thread *thread)
 		int batch_size, released;
 		unsigned int offset;
 
+		if (test_bit(MD_SB_CHANGE_PENDING, &mddev->sb_flags))
+			break;
+
 		released = release_stripe_list(conf, conf->temp_inactive_list);
 		if (released)
 			clear_bit(R5_DID_ALLOC, &conf->cache_state);
@@ -6833,18 +6835,7 @@ static void raid5d(struct md_thread *thread)
 			spin_unlock_irq(&conf->device_lock);
 			md_check_recovery(mddev);
 			spin_lock_irq(&conf->device_lock);
-
-			/*
-			 * Waiting on MD_SB_CHANGE_PENDING below may deadlock
-			 * seeing md_check_recovery() is needed to clear
-			 * the flag when using mdmon.
-			 */
-			continue;
 		}
-
-		wait_event_lock_irq(mddev->sb_wait,
-			!test_bit(MD_SB_CHANGE_PENDING, &mddev->sb_flags),
-			conf->device_lock);
 	}
 	pr_debug("%d stripes handled\n", handled);
 
diff --git a/drivers/media/dvb-frontends/lgdt3306a.c b/drivers/media/dvb-frontends/lgdt3306a.c
index 6dfa8b18ed671..fccadfcd76bef 100644
--- a/drivers/media/dvb-frontends/lgdt3306a.c
+++ b/drivers/media/dvb-frontends/lgdt3306a.c
@@ -2177,6 +2177,11 @@ static int lgdt3306a_probe(struct i2c_client *client,
 	struct dvb_frontend *fe;
 	int ret;
 
+	if (!client->dev.platform_data) {
+		dev_err(&client->dev, "platform data is mandatory\n");
+		return -EINVAL;
+	}
+
 	config = kmemdup(client->dev.platform_data,
 			 sizeof(struct lgdt3306a_config), GFP_KERNEL);
 	if (config == NULL) {
diff --git a/drivers/media/dvb-frontends/mxl5xx.c b/drivers/media/dvb-frontends/mxl5xx.c
index 934d1c0b214ae..1adadad172c04 100644
--- a/drivers/media/dvb-frontends/mxl5xx.c
+++ b/drivers/media/dvb-frontends/mxl5xx.c
@@ -1381,57 +1381,57 @@ static int config_ts(struct mxl *state, enum MXL_HYDRA_DEMOD_ID_E demod_id,
 	u32 nco_count_min = 0;
 	u32 clk_type = 0;
 
-	struct MXL_REG_FIELD_T xpt_sync_polarity[MXL_HYDRA_DEMOD_MAX] = {
+	static const struct MXL_REG_FIELD_T xpt_sync_polarity[MXL_HYDRA_DEMOD_MAX] = {
 		{0x90700010, 8, 1}, {0x90700010, 9, 1},
 		{0x90700010, 10, 1}, {0x90700010, 11, 1},
 		{0x90700010, 12, 1}, {0x90700010, 13, 1},
 		{0x90700010, 14, 1}, {0x90700010, 15, 1} };
-	struct MXL_REG_FIELD_T xpt_clock_polarity[MXL_HYDRA_DEMOD_MAX] = {
+	static const struct MXL_REG_FIELD_T xpt_clock_polarity[MXL_HYDRA_DEMOD_MAX] = {
 		{0x90700010, 16, 1}, {0x90700010, 17, 1},
 		{0x90700010, 18, 1}, {0x90700010, 19, 1},
 		{0x90700010, 20, 1}, {0x90700010, 21, 1},
 		{0x90700010, 22, 1}, {0x90700010, 23, 1} };
-	struct MXL_REG_FIELD_T xpt_valid_polarity[MXL_HYDRA_DEMOD_MAX] = {
+	static const struct MXL_REG_FIELD_T xpt_valid_polarity[MXL_HYDRA_DEMOD_MAX] = {
 		{0x90700014, 0, 1}, {0x90700014, 1, 1},
 		{0x90700014, 2, 1}, {0x90700014, 3, 1},
 		{0x90700014, 4, 1}, {0x90700014, 5, 1},
 		{0x90700014, 6, 1}, {0x90700014, 7, 1} };
-	struct MXL_REG_FIELD_T xpt_ts_clock_phase[MXL_HYDRA_DEMOD_MAX] = {
+	static const struct MXL_REG_FIELD_T xpt_ts_clock_phase[MXL_HYDRA_DEMOD_MAX] = {
 		{0x90700018, 0, 3}, {0x90700018, 4, 3},
 		{0x90700018, 8, 3}, {0x90700018, 12, 3},
 		{0x90700018, 16, 3}, {0x90700018, 20, 3},
 		{0x90700018, 24, 3}, {0x90700018, 28, 3} };
-	struct MXL_REG_FIELD_T xpt_lsb_first[MXL_HYDRA_DEMOD_MAX] = {
+	static const struct MXL_REG_FIELD_T xpt_lsb_first[MXL_HYDRA_DEMOD_MAX] = {
 		{0x9070000C, 16, 1}, {0x9070000C, 17, 1},
 		{0x9070000C, 18, 1}, {0x9070000C, 19, 1},
 		{0x9070000C, 20, 1}, {0x9070000C, 21, 1},
 		{0x9070000C, 22, 1}, {0x9070000C, 23, 1} };
-	struct MXL_REG_FIELD_T xpt_sync_byte[MXL_HYDRA_DEMOD_MAX] = {
+	static const struct MXL_REG_FIELD_T xpt_sync_byte[MXL_HYDRA_DEMOD_MAX] = {
 		{0x90700010, 0, 1}, {0x90700010, 1, 1},
 		{0x90700010, 2, 1}, {0x90700010, 3, 1},
 		{0x90700010, 4, 1}, {0x90700010, 5, 1},
 		{0x90700010, 6, 1}, {0x90700010, 7, 1} };
-	struct MXL_REG_FIELD_T xpt_enable_output[MXL_HYDRA_DEMOD_MAX] = {
+	static const struct MXL_REG_FIELD_T xpt_enable_output[MXL_HYDRA_DEMOD_MAX] = {
 		{0x9070000C, 0, 1}, {0x9070000C, 1, 1},
 		{0x9070000C, 2, 1}, {0x9070000C, 3, 1},
 		{0x9070000C, 4, 1}, {0x9070000C, 5, 1},
 		{0x9070000C, 6, 1}, {0x9070000C, 7, 1} };
-	struct MXL_REG_FIELD_T xpt_err_replace_sync[MXL_HYDRA_DEMOD_MAX] = {
+	static const struct MXL_REG_FIELD_T xpt_err_replace_sync[MXL_HYDRA_DEMOD_MAX] = {
 		{0x9070000C, 24, 1}, {0x9070000C, 25, 1},
 		{0x9070000C, 26, 1}, {0x9070000C, 27, 1},
 		{0x9070000C, 28, 1}, {0x9070000C, 29, 1},
 		{0x9070000C, 30, 1}, {0x9070000C, 31, 1} };
-	struct MXL_REG_FIELD_T xpt_err_replace_valid[MXL_HYDRA_DEMOD_MAX] = {
+	static const struct MXL_REG_FIELD_T xpt_err_replace_valid[MXL_HYDRA_DEMOD_MAX] = {
 		{0x90700014, 8, 1}, {0x90700014, 9, 1},
 		{0x90700014, 10, 1}, {0x90700014, 11, 1},
 		{0x90700014, 12, 1}, {0x90700014, 13, 1},
 		{0x90700014, 14, 1}, {0x90700014, 15, 1} };
-	struct MXL_REG_FIELD_T xpt_continuous_clock[MXL_HYDRA_DEMOD_MAX] = {
+	static const struct MXL_REG_FIELD_T xpt_continuous_clock[MXL_HYDRA_DEMOD_MAX] = {
 		{0x907001D4, 0, 1}, {0x907001D4, 1, 1},
 		{0x907001D4, 2, 1}, {0x907001D4, 3, 1},
 		{0x907001D4, 4, 1}, {0x907001D4, 5, 1},
 		{0x907001D4, 6, 1}, {0x907001D4, 7, 1} };
-	struct MXL_REG_FIELD_T xpt_nco_clock_rate[MXL_HYDRA_DEMOD_MAX] = {
+	static const struct MXL_REG_FIELD_T xpt_nco_clock_rate[MXL_HYDRA_DEMOD_MAX] = {
 		{0x90700044, 16, 80}, {0x90700044, 16, 81},
 		{0x90700044, 16, 82}, {0x90700044, 16, 83},
 		{0x90700044, 16, 84}, {0x90700044, 16, 85},
diff --git a/drivers/media/mc/mc-devnode.c b/drivers/media/mc/mc-devnode.c
index 680fbb3a93402..94abd042045da 100644
--- a/drivers/media/mc/mc-devnode.c
+++ b/drivers/media/mc/mc-devnode.c
@@ -246,15 +246,14 @@ int __must_check media_devnode_register(struct media_device *mdev,
 	kobject_set_name(&devnode->cdev.kobj, "media%d", devnode->minor);
 
 	/* Part 3: Add the media and char device */
+	set_bit(MEDIA_FLAG_REGISTERED, &devnode->flags);
 	ret = cdev_device_add(&devnode->cdev, &devnode->dev);
 	if (ret < 0) {
+		clear_bit(MEDIA_FLAG_REGISTERED, &devnode->flags);
 		pr_err("%s: cdev_device_add failed\n", __func__);
 		goto cdev_add_error;
 	}
 
-	/* Part 4: Activate this minor. The char device can now be used. */
-	set_bit(MEDIA_FLAG_REGISTERED, &devnode->flags);
-
 	return 0;
 
 cdev_add_error:
diff --git a/drivers/media/mc/mc-entity.c b/drivers/media/mc/mc-entity.c
index 8919df09e3e8d..bdb8f512be578 100644
--- a/drivers/media/mc/mc-entity.c
+++ b/drivers/media/mc/mc-entity.c
@@ -593,6 +593,12 @@ static int media_pipeline_explore_next_link(struct media_pipeline *pipe,
 	link = list_entry(entry->links, typeof(*link), list);
 	last_link = media_pipeline_walk_pop(walk);
 
+	if ((link->flags & MEDIA_LNK_FL_LINK_TYPE) != MEDIA_LNK_FL_DATA_LINK) {
+		dev_dbg(walk->mdev->dev,
+			"media pipeline: skipping link (not data-link)\n");
+		return 0;
+	}
+
 	dev_dbg(walk->mdev->dev,
 		"media pipeline: exploring link '%s':%u -> '%s':%u\n",
 		link->source->entity->name, link->source->index,
diff --git a/drivers/media/v4l2-core/v4l2-dev.c b/drivers/media/v4l2-core/v4l2-dev.c
index 397d553177fa7..e73c749c99bd5 100644
--- a/drivers/media/v4l2-core/v4l2-dev.c
+++ b/drivers/media/v4l2-core/v4l2-dev.c
@@ -1033,8 +1033,10 @@ int __video_register_device(struct video_device *vdev,
 	vdev->dev.devt = MKDEV(VIDEO_MAJOR, vdev->minor);
 	vdev->dev.parent = vdev->dev_parent;
 	dev_set_name(&vdev->dev, "%s%d", name_base, vdev->num);
+	mutex_lock(&videodev_lock);
 	ret = device_register(&vdev->dev);
 	if (ret < 0) {
+		mutex_unlock(&videodev_lock);
 		pr_err("%s: device_register failed\n", __func__);
 		goto cleanup;
 	}
@@ -1054,6 +1056,7 @@ int __video_register_device(struct video_device *vdev,
 
 	/* Part 6: Activate this minor. The char device can now be used. */
 	set_bit(V4L2_FL_REGISTERED, &vdev->flags);
+	mutex_unlock(&videodev_lock);
 
 	return 0;
 
diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c
index 25c152ef5d60e..67230d486c283 100644
--- a/drivers/mmc/core/host.c
+++ b/drivers/mmc/core/host.c
@@ -119,13 +119,12 @@ void mmc_retune_enable(struct mmc_host *host)
 
 /*
  * Pause re-tuning for a small set of operations.  The pause begins after the
- * next command and after first doing re-tuning.
+ * next command.
  */
 void mmc_retune_pause(struct mmc_host *host)
 {
 	if (!host->retune_paused) {
 		host->retune_paused = 1;
-		mmc_retune_needed(host);
 		mmc_retune_hold(host);
 	}
 }
diff --git a/drivers/mmc/core/slot-gpio.c b/drivers/mmc/core/slot-gpio.c
index e3c69c6b85a6c..d5145c1ee81e7 100644
--- a/drivers/mmc/core/slot-gpio.c
+++ b/drivers/mmc/core/slot-gpio.c
@@ -206,6 +206,26 @@ int mmc_gpiod_request_cd(struct mmc_host *host, const char *con_id,
 }
 EXPORT_SYMBOL(mmc_gpiod_request_cd);
 
+/**
+ * mmc_gpiod_set_cd_config - set config for card-detection GPIO
+ * @host: mmc host
+ * @config: Generic pinconf config (from pinconf_to_config_packed())
+ *
+ * This can be used by mmc host drivers to fixup a card-detection GPIO's config
+ * (e.g. set PIN_CONFIG_BIAS_PULL_UP) after acquiring the GPIO descriptor
+ * through mmc_gpiod_request_cd().
+ *
+ * Returns:
+ * 0 on success, or a negative errno value on error.
+ */
+int mmc_gpiod_set_cd_config(struct mmc_host *host, unsigned long config)
+{
+	struct mmc_gpio *ctx = host->slot.handler_priv;
+
+	return gpiod_set_config(ctx->cd_gpio, config);
+}
+EXPORT_SYMBOL(mmc_gpiod_set_cd_config);
+
 bool mmc_can_gpio_cd(struct mmc_host *host)
 {
 	struct mmc_gpio *ctx = host->slot.handler_priv;
diff --git a/drivers/mmc/host/sdhci-acpi.c b/drivers/mmc/host/sdhci-acpi.c
index b917060a258a4..eea0a7ddb5514 100644
--- a/drivers/mmc/host/sdhci-acpi.c
+++ b/drivers/mmc/host/sdhci-acpi.c
@@ -10,6 +10,7 @@
 #include <linux/export.h>
 #include <linux/module.h>
 #include <linux/device.h>
+#include <linux/pinctrl/pinconf-generic.h>
 #include <linux/platform_device.h>
 #include <linux/ioport.h>
 #include <linux/io.h>
@@ -80,6 +81,8 @@ struct sdhci_acpi_host {
 enum {
 	DMI_QUIRK_RESET_SD_SIGNAL_VOLT_ON_SUSP			= BIT(0),
 	DMI_QUIRK_SD_NO_WRITE_PROTECT				= BIT(1),
+	DMI_QUIRK_SD_CD_ACTIVE_HIGH				= BIT(2),
+	DMI_QUIRK_SD_CD_ENABLE_PULL_UP				= BIT(3),
 };
 
 static inline void *sdhci_acpi_priv(struct sdhci_acpi_host *c)
@@ -719,7 +722,28 @@ static const struct acpi_device_id sdhci_acpi_ids[] = {
 };
 MODULE_DEVICE_TABLE(acpi, sdhci_acpi_ids);
 
+/* Please keep this list sorted alphabetically */
 static const struct dmi_system_id sdhci_acpi_quirks[] = {
+	{
+		/*
+		 * The Acer Aspire Switch 10 (SW5-012) microSD slot always
+		 * reports the card being write-protected even though microSD
+		 * cards do not have a write-protect switch at all.
+		 */
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire SW5-012"),
+		},
+		.driver_data = (void *)DMI_QUIRK_SD_NO_WRITE_PROTECT,
+	},
+	{
+		/* Asus T100TA, needs pull-up for cd but DSDT GpioInt has NoPull set */
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
+			DMI_MATCH(DMI_PRODUCT_NAME, "T100TA"),
+		},
+		.driver_data = (void *)DMI_QUIRK_SD_CD_ENABLE_PULL_UP,
+	},
 	{
 		/*
 		 * The Lenovo Miix 320-10ICR has a bug in the _PS0 method of
@@ -736,15 +760,23 @@ static const struct dmi_system_id sdhci_acpi_quirks[] = {
 	},
 	{
 		/*
-		 * The Acer Aspire Switch 10 (SW5-012) microSD slot always
-		 * reports the card being write-protected even though microSD
-		 * cards do not have a write-protect switch at all.
+		 * Lenovo Yoga Tablet 2 Pro 1380F/L (13" Android version) this
+		 * has broken WP reporting and an inverted CD signal.
+		 * Note this has more or less the same BIOS as the Lenovo Yoga
+		 * Tablet 2 830F/L or 1050F/L (8" and 10" Android), but unlike
+		 * the 830 / 1050 models which share the same mainboard this
+		 * model has a different mainboard and the inverted CD and
+		 * broken WP are unique to this board.
 		 */
 		.matches = {
-			DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
-			DMI_MATCH(DMI_PRODUCT_NAME, "Aspire SW5-012"),
+			DMI_MATCH(DMI_SYS_VENDOR, "Intel Corp."),
+			DMI_MATCH(DMI_PRODUCT_NAME, "VALLEYVIEW C0 PLATFORM"),
+			DMI_MATCH(DMI_BOARD_NAME, "BYT-T FFD8"),
+			/* Full match so as to NOT match the 830/1050 BIOS */
+			DMI_MATCH(DMI_BIOS_VERSION, "BLADE_21.X64.0005.R00.1504101516"),
 		},
-		.driver_data = (void *)DMI_QUIRK_SD_NO_WRITE_PROTECT,
+		.driver_data = (void *)(DMI_QUIRK_SD_NO_WRITE_PROTECT |
+					DMI_QUIRK_SD_CD_ACTIVE_HIGH),
 	},
 	{
 		/*
@@ -757,6 +789,17 @@ static const struct dmi_system_id sdhci_acpi_quirks[] = {
 		},
 		.driver_data = (void *)DMI_QUIRK_SD_NO_WRITE_PROTECT,
 	},
+	{
+		/*
+		 * The Toshiba WT10-A's microSD slot always reports the card being
+		 * write-protected.
+		 */
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "TOSHIBA WT10-A"),
+		},
+		.driver_data = (void *)DMI_QUIRK_SD_NO_WRITE_PROTECT,
+	},
 	{} /* Terminating entry */
 };
 
@@ -866,12 +909,18 @@ static int sdhci_acpi_probe(struct platform_device *pdev)
 	if (sdhci_acpi_flag(c, SDHCI_ACPI_SD_CD)) {
 		bool v = sdhci_acpi_flag(c, SDHCI_ACPI_SD_CD_OVERRIDE_LEVEL);
 
+		if (quirks & DMI_QUIRK_SD_CD_ACTIVE_HIGH)
+			host->mmc->caps2 |= MMC_CAP2_CD_ACTIVE_HIGH;
+
 		err = mmc_gpiod_request_cd(host->mmc, NULL, 0, v, 0);
 		if (err) {
 			if (err == -EPROBE_DEFER)
 				goto err_free;
 			dev_warn(dev, "failed to setup card detect gpio\n");
 			c->use_runtime_pm = false;
+		} else if (quirks & DMI_QUIRK_SD_CD_ENABLE_PULL_UP) {
+			mmc_gpiod_set_cd_config(host->mmc,
+						PIN_CONF_PACKED(PIN_CONFIG_BIAS_PULL_UP, 20000));
 		}
 
 		if (quirks & DMI_QUIRK_RESET_SD_SIGNAL_VOLT_ON_SUSP)
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index ad73d528a1bd4..111f7c6770605 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -3466,12 +3466,18 @@ static void sdhci_data_irq(struct sdhci_host *host, u32 intmask)
 		host->data->error = -EILSEQ;
 		if (!mmc_op_tuning(SDHCI_GET_CMD(sdhci_readw(host, SDHCI_COMMAND))))
 			sdhci_err_stats_inc(host, DAT_CRC);
-	} else if ((intmask & SDHCI_INT_DATA_CRC) &&
+	} else if ((intmask & (SDHCI_INT_DATA_CRC | SDHCI_INT_TUNING_ERROR)) &&
 		SDHCI_GET_CMD(sdhci_readw(host, SDHCI_COMMAND))
 			!= MMC_BUS_TEST_R) {
 		host->data->error = -EILSEQ;
 		if (!mmc_op_tuning(SDHCI_GET_CMD(sdhci_readw(host, SDHCI_COMMAND))))
 			sdhci_err_stats_inc(host, DAT_CRC);
+		if (intmask & SDHCI_INT_TUNING_ERROR) {
+			u16 ctrl2 = sdhci_readw(host, SDHCI_HOST_CONTROL2);
+
+			ctrl2 &= ~SDHCI_CTRL_TUNED_CLK;
+			sdhci_writew(host, ctrl2, SDHCI_HOST_CONTROL2);
+		}
 	} else if (intmask & SDHCI_INT_ADMA_ERROR) {
 		pr_err("%s: ADMA error: 0x%08x\n", mmc_hostname(host->mmc),
 		       intmask);
@@ -4006,7 +4012,7 @@ bool sdhci_cqe_irq(struct sdhci_host *host, u32 intmask, int *cmd_error,
 	} else
 		*cmd_error = 0;
 
-	if (intmask & (SDHCI_INT_DATA_END_BIT | SDHCI_INT_DATA_CRC)) {
+	if (intmask & (SDHCI_INT_DATA_END_BIT | SDHCI_INT_DATA_CRC | SDHCI_INT_TUNING_ERROR)) {
 		*data_error = -EILSEQ;
 		if (!mmc_op_tuning(SDHCI_GET_CMD(sdhci_readw(host, SDHCI_COMMAND))))
 			sdhci_err_stats_inc(host, DAT_CRC);
diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h
index 5ce7cdcc192fd..901482d5e73f7 100644
--- a/drivers/mmc/host/sdhci.h
+++ b/drivers/mmc/host/sdhci.h
@@ -151,6 +151,7 @@
 #define  SDHCI_INT_BUS_POWER	0x00800000
 #define  SDHCI_INT_AUTO_CMD_ERR	0x01000000
 #define  SDHCI_INT_ADMA_ERROR	0x02000000
+#define  SDHCI_INT_TUNING_ERROR	0x04000000
 
 #define  SDHCI_INT_NORMAL_MASK	0x00007FFF
 #define  SDHCI_INT_ERROR_MASK	0xFFFF8000
@@ -162,7 +163,7 @@
 		SDHCI_INT_DATA_AVAIL | SDHCI_INT_SPACE_AVAIL | \
 		SDHCI_INT_DATA_TIMEOUT | SDHCI_INT_DATA_CRC | \
 		SDHCI_INT_DATA_END_BIT | SDHCI_INT_ADMA_ERROR | \
-		SDHCI_INT_BLK_GAP)
+		SDHCI_INT_BLK_GAP | SDHCI_INT_TUNING_ERROR)
 #define SDHCI_INT_ALL_MASK	((unsigned int)-1)
 
 #define SDHCI_CQE_INT_ERR_MASK ( \
diff --git a/drivers/net/vxlan/vxlan_core.c b/drivers/net/vxlan/vxlan_core.c
index 01ce289f4abf0..a7ae68f490c4c 100644
--- a/drivers/net/vxlan/vxlan_core.c
+++ b/drivers/net/vxlan/vxlan_core.c
@@ -1662,10 +1662,6 @@ static bool vxlan_set_mac(struct vxlan_dev *vxlan,
 	if (ether_addr_equal(eth_hdr(skb)->h_source, vxlan->dev->dev_addr))
 		return false;
 
-	/* Ignore packets from invalid src-address */
-	if (!is_valid_ether_addr(eth_hdr(skb)->h_source))
-		return false;
-
 	/* Get address from the outer IP header */
 	if (vxlan_get_sk_family(vs) == AF_INET) {
 		saddr.sin.sin_addr.s_addr = ip_hdr(skb)->saddr;
diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
index ccac47dd781d6..9ccf8550a0679 100644
--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c
@@ -1389,13 +1389,13 @@ rtl8xxxu_gen1_set_tx_power(struct rtl8xxxu_priv *priv, int channel, bool ht40)
 	u8 cck[RTL8723A_MAX_RF_PATHS], ofdm[RTL8723A_MAX_RF_PATHS];
 	u8 ofdmbase[RTL8723A_MAX_RF_PATHS], mcsbase[RTL8723A_MAX_RF_PATHS];
 	u32 val32, ofdm_a, ofdm_b, mcs_a, mcs_b;
-	u8 val8;
+	u8 val8, base;
 	int group, i;
 
 	group = rtl8xxxu_gen1_channel_to_group(channel);
 
-	cck[0] = priv->cck_tx_power_index_A[group] - 1;
-	cck[1] = priv->cck_tx_power_index_B[group] - 1;
+	cck[0] = priv->cck_tx_power_index_A[group];
+	cck[1] = priv->cck_tx_power_index_B[group];
 
 	if (priv->hi_pa) {
 		if (cck[0] > 0x20)
@@ -1406,10 +1406,6 @@ rtl8xxxu_gen1_set_tx_power(struct rtl8xxxu_priv *priv, int channel, bool ht40)
 
 	ofdm[0] = priv->ht40_1s_tx_power_index_A[group];
 	ofdm[1] = priv->ht40_1s_tx_power_index_B[group];
-	if (ofdm[0])
-		ofdm[0] -= 1;
-	if (ofdm[1])
-		ofdm[1] -= 1;
 
 	ofdmbase[0] = ofdm[0] +	priv->ofdm_tx_power_index_diff[group].a;
 	ofdmbase[1] = ofdm[1] +	priv->ofdm_tx_power_index_diff[group].b;
@@ -1498,20 +1494,19 @@ rtl8xxxu_gen1_set_tx_power(struct rtl8xxxu_priv *priv, int channel, bool ht40)
 
 	rtl8xxxu_write32(priv, REG_TX_AGC_A_MCS15_MCS12,
 			 mcs_a + power_base->reg_0e1c);
+	val8 = u32_get_bits(mcs_a + power_base->reg_0e1c, 0xff000000);
 	for (i = 0; i < 3; i++) {
-		if (i != 2)
-			val8 = (mcsbase[0] > 8) ? (mcsbase[0] - 8) : 0;
-		else
-			val8 = (mcsbase[0] > 6) ? (mcsbase[0] - 6) : 0;
+		base = i != 2 ? 8 : 6;
+		val8 = max_t(int, val8 - base, 0);
 		rtl8xxxu_write8(priv, REG_OFDM0_XC_TX_IQ_IMBALANCE + i, val8);
 	}
+
 	rtl8xxxu_write32(priv, REG_TX_AGC_B_MCS15_MCS12,
 			 mcs_b + power_base->reg_0868);
+	val8 = u32_get_bits(mcs_b + power_base->reg_0868, 0xff000000);
 	for (i = 0; i < 3; i++) {
-		if (i != 2)
-			val8 = (mcsbase[1] > 8) ? (mcsbase[1] - 8) : 0;
-		else
-			val8 = (mcsbase[1] > 6) ? (mcsbase[1] - 6) : 0;
+		base = i != 2 ? 8 : 6;
+		val8 = max_t(int, val8 - base, 0);
 		rtl8xxxu_write8(priv, REG_OFDM0_XD_TX_IQ_IMBALANCE + i, val8);
 	}
 }
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192de/phy.c b/drivers/net/wireless/realtek/rtlwifi/rtl8192de/phy.c
index d835a27429f0f..56b5cd032a9ac 100644
--- a/drivers/net/wireless/realtek/rtlwifi/rtl8192de/phy.c
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192de/phy.c
@@ -892,8 +892,8 @@ static u8 _rtl92c_phy_get_rightchnlplace(u8 chnl)
 	u8 place = chnl;
 
 	if (chnl > 14) {
-		for (place = 14; place < ARRAY_SIZE(channel5g); place++) {
-			if (channel5g[place] == chnl) {
+		for (place = 14; place < ARRAY_SIZE(channel_all); place++) {
+			if (channel_all[place] == chnl) {
 				place++;
 				break;
 			}
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192de/trx.c b/drivers/net/wireless/realtek/rtlwifi/rtl8192de/trx.c
index 807b66c16e111..b1456fb921c2f 100644
--- a/drivers/net/wireless/realtek/rtlwifi/rtl8192de/trx.c
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192de/trx.c
@@ -35,7 +35,7 @@ static long _rtl92de_translate_todbm(struct ieee80211_hw *hw,
 
 static void _rtl92de_query_rxphystatus(struct ieee80211_hw *hw,
 				       struct rtl_stats *pstats,
-				       struct rx_desc_92d *pdesc,
+				       __le32 *pdesc,
 				       struct rx_fwinfo_92d *p_drvinfo,
 				       bool packet_match_bssid,
 				       bool packet_toself,
@@ -49,8 +49,10 @@ static void _rtl92de_query_rxphystatus(struct ieee80211_hw *hw,
 	u8 i, max_spatial_stream;
 	u32 rssi, total_rssi = 0;
 	bool is_cck_rate;
+	u8 rxmcs;
 
-	is_cck_rate = RX_HAL_IS_CCK_RATE(pdesc->rxmcs);
+	rxmcs = get_rx_desc_rxmcs(pdesc);
+	is_cck_rate = rxmcs <= DESC_RATE11M;
 	pstats->packet_matchbssid = packet_match_bssid;
 	pstats->packet_toself = packet_toself;
 	pstats->packet_beacon = packet_beacon;
@@ -158,8 +160,8 @@ static void _rtl92de_query_rxphystatus(struct ieee80211_hw *hw,
 		pstats->rx_pwdb_all = pwdb_all;
 		pstats->rxpower = rx_pwr_all;
 		pstats->recvsignalpower = rx_pwr_all;
-		if (pdesc->rxht && pdesc->rxmcs >= DESC_RATEMCS8 &&
-		    pdesc->rxmcs <= DESC_RATEMCS15)
+		if (get_rx_desc_rxht(pdesc) && rxmcs >= DESC_RATEMCS8 &&
+		    rxmcs <= DESC_RATEMCS15)
 			max_spatial_stream = 2;
 		else
 			max_spatial_stream = 1;
@@ -365,7 +367,7 @@ static void _rtl92de_process_phyinfo(struct ieee80211_hw *hw,
 static void _rtl92de_translate_rx_signal_stuff(struct ieee80211_hw *hw,
 					       struct sk_buff *skb,
 					       struct rtl_stats *pstats,
-					       struct rx_desc_92d *pdesc,
+					       __le32 *pdesc,
 					       struct rx_fwinfo_92d *p_drvinfo)
 {
 	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
@@ -414,7 +416,8 @@ bool rtl92de_rx_query_desc(struct ieee80211_hw *hw,	struct rtl_stats *stats,
 	stats->icv = (u16)get_rx_desc_icv(pdesc);
 	stats->crc = (u16)get_rx_desc_crc32(pdesc);
 	stats->hwerror = (stats->crc | stats->icv);
-	stats->decrypted = !get_rx_desc_swdec(pdesc);
+	stats->decrypted = !get_rx_desc_swdec(pdesc) &&
+			   get_rx_desc_enc_type(pdesc) != RX_DESC_ENC_NONE;
 	stats->rate = (u8)get_rx_desc_rxmcs(pdesc);
 	stats->shortpreamble = (u16)get_rx_desc_splcp(pdesc);
 	stats->isampdu = (bool)(get_rx_desc_paggr(pdesc) == 1);
@@ -427,8 +430,6 @@ bool rtl92de_rx_query_desc(struct ieee80211_hw *hw,	struct rtl_stats *stats,
 	rx_status->band = hw->conf.chandef.chan->band;
 	if (get_rx_desc_crc32(pdesc))
 		rx_status->flag |= RX_FLAG_FAILED_FCS_CRC;
-	if (!get_rx_desc_swdec(pdesc))
-		rx_status->flag |= RX_FLAG_DECRYPTED;
 	if (get_rx_desc_bw(pdesc))
 		rx_status->bw = RATE_INFO_BW_40;
 	if (get_rx_desc_rxht(pdesc))
@@ -442,9 +443,7 @@ bool rtl92de_rx_query_desc(struct ieee80211_hw *hw,	struct rtl_stats *stats,
 	if (phystatus) {
 		p_drvinfo = (struct rx_fwinfo_92d *)(skb->data +
 						     stats->rx_bufshift);
-		_rtl92de_translate_rx_signal_stuff(hw,
-						   skb, stats,
-						   (struct rx_desc_92d *)pdesc,
+		_rtl92de_translate_rx_signal_stuff(hw, skb, stats, pdesc,
 						   p_drvinfo);
 	}
 	/*rx_status->qual = stats->signal; */
diff --git a/drivers/net/wireless/realtek/rtlwifi/rtl8192de/trx.h b/drivers/net/wireless/realtek/rtlwifi/rtl8192de/trx.h
index d01578875cd5f..eb3f768140b5b 100644
--- a/drivers/net/wireless/realtek/rtlwifi/rtl8192de/trx.h
+++ b/drivers/net/wireless/realtek/rtlwifi/rtl8192de/trx.h
@@ -14,6 +14,15 @@
 #define USB_HWDESC_HEADER_LEN			32
 #define CRCLENGTH				4
 
+enum rtl92d_rx_desc_enc {
+	RX_DESC_ENC_NONE	= 0,
+	RX_DESC_ENC_WEP40	= 1,
+	RX_DESC_ENC_TKIP_WO_MIC	= 2,
+	RX_DESC_ENC_TKIP_MIC	= 3,
+	RX_DESC_ENC_AES		= 4,
+	RX_DESC_ENC_WEP104	= 5,
+};
+
 /* macros to read/write various fields in RX or TX descriptors */
 
 static inline void set_tx_desc_pkt_size(__le32 *__pdesc, u32 __val)
@@ -246,6 +255,11 @@ static inline u32 get_rx_desc_drv_info_size(__le32 *__pdesc)
 	return le32_get_bits(*__pdesc, GENMASK(19, 16));
 }
 
+static inline u32 get_rx_desc_enc_type(__le32 *__pdesc)
+{
+	return le32_get_bits(*__pdesc, GENMASK(22, 20));
+}
+
 static inline u32 get_rx_desc_shift(__le32 *__pdesc)
 {
 	return le32_get_bits(*__pdesc, GENMASK(25, 24));
@@ -380,10 +394,17 @@ struct rx_fwinfo_92d {
 	u8 csi_target[2];
 	u8 sigevm;
 	u8 max_ex_pwr;
+#ifdef __LITTLE_ENDIAN
 	u8 ex_intf_flag:1;
 	u8 sgi_en:1;
 	u8 rxsc:2;
 	u8 reserve:4;
+#else
+	u8 reserve:4;
+	u8 rxsc:2;
+	u8 sgi_en:1;
+	u8 ex_intf_flag:1;
+#endif
 } __packed;
 
 struct tx_desc_92d {
@@ -488,64 +509,6 @@ struct tx_desc_92d {
 	u32 reserve_pass_pcie_mm_limit[4];
 } __packed;
 
-struct rx_desc_92d {
-	u32 length:14;
-	u32 crc32:1;
-	u32 icverror:1;
-	u32 drv_infosize:4;
-	u32 security:3;
-	u32 qos:1;
-	u32 shift:2;
-	u32 phystatus:1;
-	u32 swdec:1;
-	u32 lastseg:1;
-	u32 firstseg:1;
-	u32 eor:1;
-	u32 own:1;
-
-	u32 macid:5;
-	u32 tid:4;
-	u32 hwrsvd:5;
-	u32 paggr:1;
-	u32 faggr:1;
-	u32 a1_fit:4;
-	u32 a2_fit:4;
-	u32 pam:1;
-	u32 pwr:1;
-	u32 moredata:1;
-	u32 morefrag:1;
-	u32 type:2;
-	u32 mc:1;
-	u32 bc:1;
-
-	u32 seq:12;
-	u32 frag:4;
-	u32 nextpktlen:14;
-	u32 nextind:1;
-	u32 rsvd:1;
-
-	u32 rxmcs:6;
-	u32 rxht:1;
-	u32 amsdu:1;
-	u32 splcp:1;
-	u32 bandwidth:1;
-	u32 htc:1;
-	u32 tcpchk_rpt:1;
-	u32 ipcchk_rpt:1;
-	u32 tcpchk_valid:1;
-	u32 hwpcerr:1;
-	u32 hwpcind:1;
-	u32 iv0:16;
-
-	u32 iv1;
-
-	u32 tsfl;
-
-	u32 bufferaddress;
-	u32 bufferaddress64;
-
-} __packed;
-
 void rtl92de_tx_fill_desc(struct ieee80211_hw *hw,
 			  struct ieee80211_hdr *hdr, u8 *pdesc,
 			  u8 *pbd_desc_tx, struct ieee80211_tx_info *info,
diff --git a/drivers/net/wireless/realtek/rtw89/mac80211.c b/drivers/net/wireless/realtek/rtw89/mac80211.c
index a8f478f0cde90..3a108b13aa596 100644
--- a/drivers/net/wireless/realtek/rtw89/mac80211.c
+++ b/drivers/net/wireless/realtek/rtw89/mac80211.c
@@ -263,7 +263,7 @@ static u8 rtw89_aifsn_to_aifs(struct rtw89_dev *rtwdev,
 	u8 sifs;
 
 	slot_time = vif->bss_conf.use_short_slot ? 9 : 20;
-	sifs = chan->band_type == RTW89_BAND_5G ? 16 : 10;
+	sifs = chan->band_type == RTW89_BAND_2G ? 10 : 16;
 
 	return aifsn * slot_time + sifs;
 }
diff --git a/drivers/net/wireless/realtek/rtw89/pci.c b/drivers/net/wireless/realtek/rtw89/pci.c
index 4a012962cd441..58b6f7d4cab8b 100644
--- a/drivers/net/wireless/realtek/rtw89/pci.c
+++ b/drivers/net/wireless/realtek/rtw89/pci.c
@@ -948,7 +948,8 @@ u32 __rtw89_pci_check_and_reclaim_tx_resource_noio(struct rtw89_dev *rtwdev,
 
 	spin_lock_bh(&rtwpci->trx_lock);
 	cnt = rtw89_pci_get_avail_txbd_num(tx_ring);
-	cnt = min(cnt, wd_ring->curr_num);
+	if (txch != RTW89_TXCH_CH12)
+		cnt = min(cnt, wd_ring->curr_num);
 	spin_unlock_bh(&rtwpci->trx_lock);
 
 	return cnt;
diff --git a/drivers/s390/crypto/ap_bus.c b/drivers/s390/crypto/ap_bus.c
index 4c0f9fe1ba779..c692b55dd1169 100644
--- a/drivers/s390/crypto/ap_bus.c
+++ b/drivers/s390/crypto/ap_bus.c
@@ -1088,7 +1088,7 @@ static int hex2bitmap(const char *str, unsigned long *bitmap, int bits)
  */
 static int modify_bitmap(const char *str, unsigned long *bitmap, int bits)
 {
-	int a, i, z;
+	unsigned long a, i, z;
 	char *np, sign;
 
 	/* bits needs to be a multiple of 8 */
diff --git a/drivers/scsi/scsi.c b/drivers/scsi/scsi.c
index e70ab8db30142..7b79cd435d7ab 100644
--- a/drivers/scsi/scsi.c
+++ b/drivers/scsi/scsi.c
@@ -350,6 +350,13 @@ static int scsi_get_vpd_size(struct scsi_device *sdev, u8 page)
 		if (result < SCSI_VPD_HEADER_SIZE)
 			return 0;
 
+		if (result > sizeof(vpd)) {
+			dev_warn_once(&sdev->sdev_gendev,
+				      "%s: long VPD page 0 length: %d bytes\n",
+				      __func__, result);
+			result = sizeof(vpd);
+		}
+
 		result -= SCSI_VPD_HEADER_SIZE;
 		if (!memchr(&vpd[SCSI_VPD_HEADER_SIZE], page, result))
 			return 0;
diff --git a/drivers/soc/qcom/cmd-db.c b/drivers/soc/qcom/cmd-db.c
index 629a7188b576f..2a7d089ec7270 100644
--- a/drivers/soc/qcom/cmd-db.c
+++ b/drivers/soc/qcom/cmd-db.c
@@ -1,6 +1,10 @@
 /* SPDX-License-Identifier: GPL-2.0 */
-/* Copyright (c) 2016-2018, 2020, The Linux Foundation. All rights reserved. */
+/*
+ * Copyright (c) 2016-2018, 2020, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2024, Qualcomm Innovation Center, Inc. All rights reserved.
+ */
 
+#include <linux/bitfield.h>
 #include <linux/debugfs.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
@@ -17,6 +21,8 @@
 #define MAX_SLV_ID		8
 #define SLAVE_ID_MASK		0x7
 #define SLAVE_ID_SHIFT		16
+#define SLAVE_ID(addr)		FIELD_GET(GENMASK(19, 16), addr)
+#define VRM_ADDR(addr)		FIELD_GET(GENMASK(19, 4), addr)
 
 /**
  * struct entry_header: header for each entry in cmddb
@@ -220,6 +226,30 @@ const void *cmd_db_read_aux_data(const char *id, size_t *len)
 }
 EXPORT_SYMBOL(cmd_db_read_aux_data);
 
+/**
+ * cmd_db_match_resource_addr() - Compare if both Resource addresses are same
+ *
+ * @addr1: Resource address to compare
+ * @addr2: Resource address to compare
+ *
+ * Return: true if two addresses refer to the same resource, false otherwise
+ */
+bool cmd_db_match_resource_addr(u32 addr1, u32 addr2)
+{
+	/*
+	 * Each RPMh VRM accelerator resource has 3 or 4 contiguous 4-byte
+	 * aligned addresses associated with it. Ignore the offset to check
+	 * for VRM requests.
+	 */
+	if (addr1 == addr2)
+		return true;
+	else if (SLAVE_ID(addr1) == CMD_DB_HW_VRM && VRM_ADDR(addr1) == VRM_ADDR(addr2))
+		return true;
+
+	return false;
+}
+EXPORT_SYMBOL_GPL(cmd_db_match_resource_addr);
+
 /**
  * cmd_db_read_slave_id - Get the slave ID for a given resource address
  *
diff --git a/drivers/soc/qcom/rpmh-rsc.c b/drivers/soc/qcom/rpmh-rsc.c
index 01c2f50cb97ef..5e7bb6338707d 100644
--- a/drivers/soc/qcom/rpmh-rsc.c
+++ b/drivers/soc/qcom/rpmh-rsc.c
@@ -1,6 +1,7 @@
 // SPDX-License-Identifier: GPL-2.0
 /*
  * Copyright (c) 2016-2018, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2023-2024, Qualcomm Innovation Center, Inc. All rights reserved.
  */
 
 #define pr_fmt(fmt) "%s " fmt, KBUILD_MODNAME
@@ -519,7 +520,7 @@ static int check_for_req_inflight(struct rsc_drv *drv, struct tcs_group *tcs,
 		for_each_set_bit(j, &curr_enabled, MAX_CMDS_PER_TCS) {
 			addr = read_tcs_cmd(drv, RSC_DRV_CMD_ADDR, i, j);
 			for (k = 0; k < msg->num_cmds; k++) {
-				if (addr == msg->cmds[k].addr)
+				if (cmd_db_match_resource_addr(msg->cmds[k].addr, addr))
 					return -EBUSY;
 			}
 		}
diff --git a/drivers/thermal/qcom/lmh.c b/drivers/thermal/qcom/lmh.c
index 4122a51e98741..97cf0dc3a6c38 100644
--- a/drivers/thermal/qcom/lmh.c
+++ b/drivers/thermal/qcom/lmh.c
@@ -95,6 +95,9 @@ static int lmh_probe(struct platform_device *pdev)
 	unsigned int enable_alg;
 	u32 node_id;
 
+	if (!qcom_scm_is_available())
+		return -EPROBE_DEFER;
+
 	lmh_data = devm_kzalloc(dev, sizeof(*lmh_data), GFP_KERNEL);
 	if (!lmh_data)
 		return -ENOMEM;
diff --git a/drivers/video/fbdev/savage/savagefb_driver.c b/drivers/video/fbdev/savage/savagefb_driver.c
index a7b63c475f954..78eee242fc992 100644
--- a/drivers/video/fbdev/savage/savagefb_driver.c
+++ b/drivers/video/fbdev/savage/savagefb_driver.c
@@ -2277,7 +2277,10 @@ static int savagefb_probe(struct pci_dev *dev, const struct pci_device_id *id)
 	if (info->var.xres_virtual > 0x1000)
 		info->var.xres_virtual = 0x1000;
 #endif
-	savagefb_check_var(&info->var, info);
+	err = savagefb_check_var(&info->var, info);
+	if (err)
+		goto failed;
+
 	savagefb_set_fix(info);
 
 	/*
diff --git a/drivers/watchdog/rti_wdt.c b/drivers/watchdog/rti_wdt.c
index ea617c0f97470..fe27039f6f5ae 100644
--- a/drivers/watchdog/rti_wdt.c
+++ b/drivers/watchdog/rti_wdt.c
@@ -52,6 +52,8 @@
 
 #define DWDST			BIT(1)
 
+#define MAX_HW_ERROR		250
+
 static int heartbeat = DEFAULT_HEARTBEAT;
 
 /*
@@ -90,7 +92,7 @@ static int rti_wdt_start(struct watchdog_device *wdd)
 	 * to be 50% or less than that; we obviouly want to configure the open
 	 * window as large as possible so we select the 50% option.
 	 */
-	wdd->min_hw_heartbeat_ms = 500 * wdd->timeout;
+	wdd->min_hw_heartbeat_ms = 520 * wdd->timeout + MAX_HW_ERROR;
 
 	/* Generate NMI when wdt expires */
 	writel_relaxed(RTIWWDRX_NMI, wdt->base + RTIWWDRXCTRL);
@@ -124,31 +126,33 @@ static int rti_wdt_setup_hw_hb(struct watchdog_device *wdd, u32 wsize)
 	 * be petted during the open window; not too early or not too late.
 	 * The HW configuration options only allow for the open window size
 	 * to be 50% or less than that.
+	 * To avoid any glitches, we accommodate 2% + max hardware error
+	 * safety margin.
 	 */
 	switch (wsize) {
 	case RTIWWDSIZE_50P:
-		/* 50% open window => 50% min heartbeat */
-		wdd->min_hw_heartbeat_ms = 500 * heartbeat;
+		/* 50% open window => 52% min heartbeat */
+		wdd->min_hw_heartbeat_ms = 520 * heartbeat + MAX_HW_ERROR;
 		break;
 
 	case RTIWWDSIZE_25P:
-		/* 25% open window => 75% min heartbeat */
-		wdd->min_hw_heartbeat_ms = 750 * heartbeat;
+		/* 25% open window => 77% min heartbeat */
+		wdd->min_hw_heartbeat_ms = 770 * heartbeat + MAX_HW_ERROR;
 		break;
 
 	case RTIWWDSIZE_12P5:
-		/* 12.5% open window => 87.5% min heartbeat */
-		wdd->min_hw_heartbeat_ms = 875 * heartbeat;
+		/* 12.5% open window => 89.5% min heartbeat */
+		wdd->min_hw_heartbeat_ms = 895 * heartbeat + MAX_HW_ERROR;
 		break;
 
 	case RTIWWDSIZE_6P25:
-		/* 6.5% open window => 93.5% min heartbeat */
-		wdd->min_hw_heartbeat_ms = 935 * heartbeat;
+		/* 6.5% open window => 95.5% min heartbeat */
+		wdd->min_hw_heartbeat_ms = 955 * heartbeat + MAX_HW_ERROR;
 		break;
 
 	case RTIWWDSIZE_3P125:
-		/* 3.125% open window => 96.9% min heartbeat */
-		wdd->min_hw_heartbeat_ms = 969 * heartbeat;
+		/* 3.125% open window => 98.9% min heartbeat */
+		wdd->min_hw_heartbeat_ms = 989 * heartbeat + MAX_HW_ERROR;
 		break;
 
 	default:
@@ -221,14 +225,6 @@ static int rti_wdt_probe(struct platform_device *pdev)
 		return -EINVAL;
 	}
 
-	/*
-	 * If watchdog is running at 32k clock, it is not accurate.
-	 * Adjust frequency down in this case so that we don't pet
-	 * the watchdog too often.
-	 */
-	if (wdt->freq < 32768)
-		wdt->freq = wdt->freq * 9 / 10;
-
 	pm_runtime_enable(dev);
 	ret = pm_runtime_resume_and_get(dev);
 	if (ret < 0) {
diff --git a/fs/9p/vfs_dentry.c b/fs/9p/vfs_dentry.c
index f89f01734587b..55990098795ec 100644
--- a/fs/9p/vfs_dentry.c
+++ b/fs/9p/vfs_dentry.c
@@ -50,12 +50,17 @@ static int v9fs_cached_dentry_delete(const struct dentry *dentry)
 static void v9fs_dentry_release(struct dentry *dentry)
 {
 	struct hlist_node *p, *n;
+	struct hlist_head head;
 
 	p9_debug(P9_DEBUG_VFS, " dentry: %pd (%p)\n",
 		 dentry, dentry);
-	hlist_for_each_safe(p, n, (struct hlist_head *)&dentry->d_fsdata)
+
+	spin_lock(&dentry->d_lock);
+	hlist_move_list((struct hlist_head *)&dentry->d_fsdata, &head);
+	spin_unlock(&dentry->d_lock);
+
+	hlist_for_each_safe(p, n, &head)
 		p9_fid_put(hlist_entry(p, struct p9_fid, dlist));
-	dentry->d_fsdata = NULL;
 }
 
 static int v9fs_lookup_revalidate(struct dentry *dentry, unsigned int flags)
diff --git a/fs/afs/mntpt.c b/fs/afs/mntpt.c
index 97f50e9fd9eb0..297487ee83231 100644
--- a/fs/afs/mntpt.c
+++ b/fs/afs/mntpt.c
@@ -140,6 +140,11 @@ static int afs_mntpt_set_params(struct fs_context *fc, struct dentry *mntpt)
 		put_page(page);
 		if (ret < 0)
 			return ret;
+
+		/* Don't cross a backup volume mountpoint from a backup volume */
+		if (src_as->volume && src_as->volume->type == AFSVL_BACKVOL &&
+		    ctx->type == AFSVL_BACKVOL)
+			return -ENODEV;
 	}
 
 	return 0;
diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
index 7c33b28c02aeb..b7a5bf88193f9 100644
--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c
@@ -4845,18 +4845,23 @@ static int btrfs_log_prealloc_extents(struct btrfs_trans_handle *trans,
 			path->slots[0]++;
 			continue;
 		}
-		if (!dropped_extents) {
-			/*
-			 * Avoid logging extent items logged in past fsync calls
-			 * and leading to duplicate keys in the log tree.
-			 */
+		/*
+		 * Avoid overlapping items in the log tree. The first time we
+		 * get here, get rid of everything from a past fsync. After
+		 * that, if the current extent starts before the end of the last
+		 * extent we copied, truncate the last one. This can happen if
+		 * an ordered extent completion modifies the subvolume tree
+		 * while btrfs_next_leaf() has the tree unlocked.
+		 */
+		if (!dropped_extents || key.offset < truncate_offset) {
 			ret = truncate_inode_items(trans, root->log_root, inode,
-						   truncate_offset,
+						   min(key.offset, truncate_offset),
 						   BTRFS_EXTENT_DATA_KEY);
 			if (ret)
 				goto out;
 			dropped_extents = true;
 		}
+		truncate_offset = btrfs_file_extent_end(path);
 		if (ins_nr == 0)
 			start_slot = slot;
 		ins_nr++;
diff --git a/fs/ext4/mballoc.h b/fs/ext4/mballoc.h
index 00b3898df4a76..538703499d083 100644
--- a/fs/ext4/mballoc.h
+++ b/fs/ext4/mballoc.h
@@ -180,8 +180,8 @@ struct ext4_allocation_context {
 
 	__u32 ac_groups_considered;
 	__u32 ac_flags;		/* allocation hints */
+	__u32 ac_groups_linear_remaining;
 	__u16 ac_groups_scanned;
-	__u16 ac_groups_linear_remaining;
 	__u16 ac_found;
 	__u16 ac_tail;
 	__u16 ac_buddy;
diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c
index eaed9fd2f890c..28d00ed833db4 100644
--- a/fs/ext4/xattr.c
+++ b/fs/ext4/xattr.c
@@ -3076,8 +3076,10 @@ ext4_xattr_block_cache_find(struct inode *inode,
 
 		bh = ext4_sb_bread(inode->i_sb, ce->e_value, REQ_PRIO);
 		if (IS_ERR(bh)) {
-			if (PTR_ERR(bh) == -ENOMEM)
+			if (PTR_ERR(bh) == -ENOMEM) {
+				mb_cache_entry_put(ea_block_cache, ce);
 				return NULL;
+			}
 			bh = NULL;
 			EXT4_ERROR_INODE(inode, "block %lu read error",
 					 (unsigned long)ce->e_value);
diff --git a/fs/f2fs/inode.c b/fs/f2fs/inode.c
index 869bb6ec107cc..35b1c672644ee 100644
--- a/fs/f2fs/inode.c
+++ b/fs/f2fs/inode.c
@@ -298,6 +298,12 @@ static bool sanity_check_inode(struct inode *inode, struct page *node_page)
 		}
 	}
 
+	if (fi->i_xattr_nid && f2fs_check_nid_range(sbi, fi->i_xattr_nid)) {
+		f2fs_warn(sbi, "%s: inode (ino=%lx) has corrupted i_xattr_nid: %u, run fsck to fix.",
+			  __func__, inode->i_ino, fi->i_xattr_nid);
+		return false;
+	}
+
 	return true;
 }
 
diff --git a/fs/nfs/internal.h b/fs/nfs/internal.h
index b3b801e7c4bc5..d921d7b7bec64 100644
--- a/fs/nfs/internal.h
+++ b/fs/nfs/internal.h
@@ -695,9 +695,9 @@ unsigned long nfs_block_bits(unsigned long bsize, unsigned char *nrbitsp)
 	if ((bsize & (bsize - 1)) || nrbitsp) {
 		unsigned char	nrbits;
 
-		for (nrbits = 31; nrbits && !(bsize & (1 << nrbits)); nrbits--)
+		for (nrbits = 31; nrbits && !(bsize & (1UL << nrbits)); nrbits--)
 			;
-		bsize = 1 << nrbits;
+		bsize = 1UL << nrbits;
 		if (nrbitsp)
 			*nrbitsp = nrbits;
 	}
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index 7cc74f7451d67..bda3050817c90 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -5441,7 +5441,7 @@ static bool nfs4_read_plus_not_supported(struct rpc_task *task,
 	struct rpc_message *msg = &task->tk_msg;
 
 	if (msg->rpc_proc == &nfs4_procedures[NFSPROC4_CLNT_READ_PLUS] &&
-	    server->caps & NFS_CAP_READ_PLUS && task->tk_status == -ENOTSUPP) {
+	    task->tk_status == -ENOTSUPP) {
 		server->caps &= ~NFS_CAP_READ_PLUS;
 		msg->rpc_proc = &nfs4_procedures[NFSPROC4_CLNT_READ];
 		rpc_restart_call_prepare(task);
diff --git a/fs/nilfs2/segment.c b/fs/nilfs2/segment.c
index 006df4eac9fab..dfc459a62fb30 100644
--- a/fs/nilfs2/segment.c
+++ b/fs/nilfs2/segment.c
@@ -2159,8 +2159,10 @@ static void nilfs_segctor_start_timer(struct nilfs_sc_info *sci)
 {
 	spin_lock(&sci->sc_state_lock);
 	if (!(sci->sc_state & NILFS_SEGCTOR_COMMIT)) {
-		sci->sc_timer.expires = jiffies + sci->sc_interval;
-		add_timer(&sci->sc_timer);
+		if (sci->sc_task) {
+			sci->sc_timer.expires = jiffies + sci->sc_interval;
+			add_timer(&sci->sc_timer);
+		}
 		sci->sc_state |= NILFS_SEGCTOR_COMMIT;
 	}
 	spin_unlock(&sci->sc_state_lock);
@@ -2378,10 +2380,21 @@ int nilfs_construct_dsync_segment(struct super_block *sb, struct inode *inode,
  */
 static void nilfs_segctor_accept(struct nilfs_sc_info *sci)
 {
+	bool thread_is_alive;
+
 	spin_lock(&sci->sc_state_lock);
 	sci->sc_seq_accepted = sci->sc_seq_request;
+	thread_is_alive = (bool)sci->sc_task;
 	spin_unlock(&sci->sc_state_lock);
-	del_timer_sync(&sci->sc_timer);
+
+	/*
+	 * This function does not race with the log writer thread's
+	 * termination.  Therefore, deleting sc_timer, which should not be
+	 * done after the log writer thread exits, can be done safely outside
+	 * the area protected by sc_state_lock.
+	 */
+	if (thread_is_alive)
+		del_timer_sync(&sci->sc_timer);
 }
 
 /**
@@ -2407,7 +2420,7 @@ static void nilfs_segctor_notify(struct nilfs_sc_info *sci, int mode, int err)
 			sci->sc_flush_request &= ~FLUSH_DAT_BIT;
 
 		/* re-enable timer if checkpoint creation was not done */
-		if ((sci->sc_state & NILFS_SEGCTOR_COMMIT) &&
+		if ((sci->sc_state & NILFS_SEGCTOR_COMMIT) && sci->sc_task &&
 		    time_before(jiffies, sci->sc_timer.expires))
 			add_timer(&sci->sc_timer);
 	}
@@ -2597,6 +2610,7 @@ static int nilfs_segctor_thread(void *arg)
 	int timeout = 0;
 
 	sci->sc_timer_task = current;
+	timer_setup(&sci->sc_timer, nilfs_construction_timeout, 0);
 
 	/* start sync. */
 	sci->sc_task = current;
@@ -2663,6 +2677,7 @@ static int nilfs_segctor_thread(void *arg)
  end_thread:
 	/* end sync. */
 	sci->sc_task = NULL;
+	del_timer_sync(&sci->sc_timer);
 	wake_up(&sci->sc_wait_task); /* for nilfs_segctor_kill_thread() */
 	spin_unlock(&sci->sc_state_lock);
 	return 0;
@@ -2726,7 +2741,6 @@ static struct nilfs_sc_info *nilfs_segctor_new(struct super_block *sb,
 	INIT_LIST_HEAD(&sci->sc_gc_inodes);
 	INIT_LIST_HEAD(&sci->sc_iput_queue);
 	INIT_WORK(&sci->sc_iput_work, nilfs_iput_work_func);
-	timer_setup(&sci->sc_timer, nilfs_construction_timeout, 0);
 
 	sci->sc_interval = HZ * NILFS_SC_DEFAULT_TIMEOUT;
 	sci->sc_mjcp_freq = HZ * NILFS_SC_DEFAULT_SR_FREQ;
@@ -2812,7 +2826,6 @@ static void nilfs_segctor_destroy(struct nilfs_sc_info *sci)
 
 	down_write(&nilfs->ns_segctor_sem);
 
-	del_timer_sync(&sci->sc_timer);
 	kfree(sci);
 }
 
diff --git a/fs/smb/client/smb2transport.c b/fs/smb/client/smb2transport.c
index 69dbd08fd4419..763cf946e8491 100644
--- a/fs/smb/client/smb2transport.c
+++ b/fs/smb/client/smb2transport.c
@@ -213,8 +213,8 @@ smb2_find_smb_tcon(struct TCP_Server_Info *server, __u64 ses_id, __u32  tid)
 	}
 	tcon = smb2_find_smb_sess_tcon_unlocked(ses, tid);
 	if (!tcon) {
-		cifs_put_smb_ses(ses);
 		spin_unlock(&cifs_tcp_ses_lock);
+		cifs_put_smb_ses(ses);
 		return NULL;
 	}
 	spin_unlock(&cifs_tcp_ses_lock);
diff --git a/include/linux/mmc/slot-gpio.h b/include/linux/mmc/slot-gpio.h
index 4ae2f2908f993..d4a1567c94d0d 100644
--- a/include/linux/mmc/slot-gpio.h
+++ b/include/linux/mmc/slot-gpio.h
@@ -20,6 +20,7 @@ int mmc_gpiod_request_cd(struct mmc_host *host, const char *con_id,
 			 unsigned int debounce);
 int mmc_gpiod_request_ro(struct mmc_host *host, const char *con_id,
 			 unsigned int idx, unsigned int debounce);
+int mmc_gpiod_set_cd_config(struct mmc_host *host, unsigned long config);
 void mmc_gpio_set_cd_isr(struct mmc_host *host,
 			 irqreturn_t (*isr)(int irq, void *dev_id));
 int mmc_gpio_set_cd_wake(struct mmc_host *host, bool on);
diff --git a/include/linux/smp.h b/include/linux/smp.h
index a80ab58ae3f1d..5b977f20c1399 100644
--- a/include/linux/smp.h
+++ b/include/linux/smp.h
@@ -211,6 +211,8 @@ smp_call_function_any(const struct cpumask *mask, smp_call_func_t func,
 static inline void kick_all_cpus_sync(void) {  }
 static inline void wake_up_all_idle_cpus(void) {  }
 
+#define setup_max_cpus 0
+
 #ifdef CONFIG_UP_LATE_INIT
 extern void __init up_late_init(void);
 static inline void smp_init(void) { up_late_init(); }
diff --git a/include/net/dst_ops.h b/include/net/dst_ops.h
index 632086b2f644a..3ae2fda295073 100644
--- a/include/net/dst_ops.h
+++ b/include/net/dst_ops.h
@@ -24,7 +24,7 @@ struct dst_ops {
 	void			(*destroy)(struct dst_entry *);
 	void			(*ifdown)(struct dst_entry *,
 					  struct net_device *dev, int how);
-	struct dst_entry *	(*negative_advice)(struct dst_entry *);
+	void			(*negative_advice)(struct sock *sk, struct dst_entry *);
 	void			(*link_failure)(struct sk_buff *);
 	void			(*update_pmtu)(struct dst_entry *dst, struct sock *sk,
 					       struct sk_buff *skb, u32 mtu,
diff --git a/include/net/sock.h b/include/net/sock.h
index 77298c74822a6..9dab482078743 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -2212,17 +2212,10 @@ sk_dst_get(struct sock *sk)
 
 static inline void __dst_negative_advice(struct sock *sk)
 {
-	struct dst_entry *ndst, *dst = __sk_dst_get(sk);
+	struct dst_entry *dst = __sk_dst_get(sk);
 
-	if (dst && dst->ops->negative_advice) {
-		ndst = dst->ops->negative_advice(dst);
-
-		if (ndst != dst) {
-			rcu_assign_pointer(sk->sk_dst_cache, ndst);
-			sk_tx_queue_clear(sk);
-			WRITE_ONCE(sk->sk_dst_pending_confirm, 0);
-		}
-	}
+	if (dst && dst->ops->negative_advice)
+		dst->ops->negative_advice(sk, dst);
 }
 
 static inline void dst_negative_advice(struct sock *sk)
diff --git a/include/soc/qcom/cmd-db.h b/include/soc/qcom/cmd-db.h
index c8bb56e6852a8..47a6cab75e630 100644
--- a/include/soc/qcom/cmd-db.h
+++ b/include/soc/qcom/cmd-db.h
@@ -1,5 +1,8 @@
 /* SPDX-License-Identifier: GPL-2.0 */
-/* Copyright (c) 2016-2018, The Linux Foundation. All rights reserved. */
+/*
+ * Copyright (c) 2016-2018, The Linux Foundation. All rights reserved.
+ * Copyright (c) 2024, Qualcomm Innovation Center, Inc. All rights reserved.
+ */
 
 #ifndef __QCOM_COMMAND_DB_H__
 #define __QCOM_COMMAND_DB_H__
@@ -21,6 +24,8 @@ u32 cmd_db_read_addr(const char *resource_id);
 
 const void *cmd_db_read_aux_data(const char *resource_id, size_t *len);
 
+bool cmd_db_match_resource_addr(u32 addr1, u32 addr2);
+
 enum cmd_db_hw_type cmd_db_read_slave_id(const char *resource_id);
 
 int cmd_db_ready(void);
@@ -31,6 +36,9 @@ static inline u32 cmd_db_read_addr(const char *resource_id)
 static inline const void *cmd_db_read_aux_data(const char *resource_id, size_t *len)
 { return ERR_PTR(-ENODEV); }
 
+static inline bool cmd_db_match_resource_addr(u32 addr1, u32 addr2)
+{ return false; }
+
 static inline enum cmd_db_hw_type cmd_db_read_slave_id(const char *resource_id)
 { return -ENODEV; }
 
diff --git a/init/main.c b/init/main.c
index 2c339793511b5..e46aa00b3c997 100644
--- a/init/main.c
+++ b/init/main.c
@@ -607,7 +607,6 @@ static int __init rdinit_setup(char *str)
 __setup("rdinit=", rdinit_setup);
 
 #ifndef CONFIG_SMP
-static const unsigned int setup_max_cpus = NR_CPUS;
 static inline void setup_nr_cpu_ids(void) { }
 static inline void smp_prepare_cpus(unsigned int maxcpus) { }
 #endif
diff --git a/kernel/debug/kdb/kdb_io.c b/kernel/debug/kdb/kdb_io.c
index 67d3c48a15222..b1f79d5a5a60e 100644
--- a/kernel/debug/kdb/kdb_io.c
+++ b/kernel/debug/kdb/kdb_io.c
@@ -171,6 +171,33 @@ char kdb_getchar(void)
 	unreachable();
 }
 
+/**
+ * kdb_position_cursor() - Place cursor in the correct horizontal position
+ * @prompt: Nil-terminated string containing the prompt string
+ * @buffer: Nil-terminated string containing the entire command line
+ * @cp: Cursor position, pointer the character in buffer where the cursor
+ *      should be positioned.
+ *
+ * The cursor is positioned by sending a carriage-return and then printing
+ * the content of the line until we reach the correct cursor position.
+ *
+ * There is some additional fine detail here.
+ *
+ * Firstly, even though kdb_printf() will correctly format zero-width fields
+ * we want the second call to kdb_printf() to be conditional. That keeps things
+ * a little cleaner when LOGGING=1.
+ *
+ * Secondly, we can't combine everything into one call to kdb_printf() since
+ * that renders into a fixed length buffer and the combined print could result
+ * in unwanted truncation.
+ */
+static void kdb_position_cursor(char *prompt, char *buffer, char *cp)
+{
+	kdb_printf("\r%s", kdb_prompt_str);
+	if (cp > buffer)
+		kdb_printf("%.*s", (int)(cp - buffer), buffer);
+}
+
 /*
  * kdb_read
  *
@@ -199,7 +226,6 @@ static char *kdb_read(char *buffer, size_t bufsize)
 						 * and null byte */
 	char *lastchar;
 	char *p_tmp;
-	char tmp;
 	static char tmpbuffer[CMD_BUFLEN];
 	int len = strlen(buffer);
 	int len_tmp;
@@ -236,12 +262,8 @@ static char *kdb_read(char *buffer, size_t bufsize)
 			}
 			*(--lastchar) = '\0';
 			--cp;
-			kdb_printf("\b%s \r", cp);
-			tmp = *cp;
-			*cp = '\0';
-			kdb_printf(kdb_prompt_str);
-			kdb_printf("%s", buffer);
-			*cp = tmp;
+			kdb_printf("\b%s ", cp);
+			kdb_position_cursor(kdb_prompt_str, buffer, cp);
 		}
 		break;
 	case 13: /* enter */
@@ -258,19 +280,14 @@ static char *kdb_read(char *buffer, size_t bufsize)
 			memcpy(tmpbuffer, cp+1, lastchar - cp - 1);
 			memcpy(cp, tmpbuffer, lastchar - cp - 1);
 			*(--lastchar) = '\0';
-			kdb_printf("%s \r", cp);
-			tmp = *cp;
-			*cp = '\0';
-			kdb_printf(kdb_prompt_str);
-			kdb_printf("%s", buffer);
-			*cp = tmp;
+			kdb_printf("%s ", cp);
+			kdb_position_cursor(kdb_prompt_str, buffer, cp);
 		}
 		break;
 	case 1: /* Home */
 		if (cp > buffer) {
-			kdb_printf("\r");
-			kdb_printf(kdb_prompt_str);
 			cp = buffer;
+			kdb_position_cursor(kdb_prompt_str, buffer, cp);
 		}
 		break;
 	case 5: /* End */
@@ -286,11 +303,10 @@ static char *kdb_read(char *buffer, size_t bufsize)
 		}
 		break;
 	case 14: /* Down */
-		memset(tmpbuffer, ' ',
-		       strlen(kdb_prompt_str) + (lastchar-buffer));
-		*(tmpbuffer+strlen(kdb_prompt_str) +
-		  (lastchar-buffer)) = '\0';
-		kdb_printf("\r%s\r", tmpbuffer);
+	case 16: /* Up */
+		kdb_printf("\r%*c\r",
+			   (int)(strlen(kdb_prompt_str) + (lastchar - buffer)),
+			   ' ');
 		*lastchar = (char)key;
 		*(lastchar+1) = '\0';
 		return lastchar;
@@ -300,15 +316,6 @@ static char *kdb_read(char *buffer, size_t bufsize)
 			++cp;
 		}
 		break;
-	case 16: /* Up */
-		memset(tmpbuffer, ' ',
-		       strlen(kdb_prompt_str) + (lastchar-buffer));
-		*(tmpbuffer+strlen(kdb_prompt_str) +
-		  (lastchar-buffer)) = '\0';
-		kdb_printf("\r%s\r", tmpbuffer);
-		*lastchar = (char)key;
-		*(lastchar+1) = '\0';
-		return lastchar;
 	case 9: /* Tab */
 		if (tab < 2)
 			++tab;
@@ -352,15 +359,25 @@ static char *kdb_read(char *buffer, size_t bufsize)
 			kdb_printf("\n");
 			kdb_printf(kdb_prompt_str);
 			kdb_printf("%s", buffer);
+			if (cp != lastchar)
+				kdb_position_cursor(kdb_prompt_str, buffer, cp);
 		} else if (tab != 2 && count > 0) {
-			len_tmp = strlen(p_tmp);
-			strncpy(p_tmp+len_tmp, cp, lastchar-cp+1);
-			len_tmp = strlen(p_tmp);
-			strncpy(cp, p_tmp+len, len_tmp-len + 1);
-			len = len_tmp - len;
-			kdb_printf("%s", cp);
-			cp += len;
-			lastchar += len;
+			/* How many new characters do we want from tmpbuffer? */
+			len_tmp = strlen(p_tmp) - len;
+			if (lastchar + len_tmp >= bufend)
+				len_tmp = bufend - lastchar;
+
+			if (len_tmp) {
+				/* + 1 ensures the '\0' is memmove'd */
+				memmove(cp+len_tmp, cp, (lastchar-cp) + 1);
+				memcpy(cp, p_tmp+len, len_tmp);
+				kdb_printf("%s", cp);
+				cp += len_tmp;
+				lastchar += len_tmp;
+				if (cp != lastchar)
+					kdb_position_cursor(kdb_prompt_str,
+							    buffer, cp);
+			}
 		}
 		kdb_nextline = 1; /* reset output line number */
 		break;
@@ -371,13 +388,9 @@ static char *kdb_read(char *buffer, size_t bufsize)
 				memcpy(cp+1, tmpbuffer, lastchar - cp);
 				*++lastchar = '\0';
 				*cp = key;
-				kdb_printf("%s\r", cp);
+				kdb_printf("%s", cp);
 				++cp;
-				tmp = *cp;
-				*cp = '\0';
-				kdb_printf(kdb_prompt_str);
-				kdb_printf("%s", buffer);
-				*cp = tmp;
+				kdb_position_cursor(kdb_prompt_str, buffer, cp);
 			} else {
 				*++lastchar = '\0';
 				*cp++ = key;
diff --git a/lib/maple_tree.c b/lib/maple_tree.c
index 4976522e3e481..9a5bdf1e8e92a 100644
--- a/lib/maple_tree.c
+++ b/lib/maple_tree.c
@@ -5277,25 +5277,28 @@ static inline void mas_fill_gap(struct ma_state *mas, void *entry,
  * @size: The size of the gap
  * @fwd: Searching forward or back
  */
-static inline void mas_sparse_area(struct ma_state *mas, unsigned long min,
+static inline int mas_sparse_area(struct ma_state *mas, unsigned long min,
 				unsigned long max, unsigned long size, bool fwd)
 {
-	unsigned long start = 0;
-
-	if (!unlikely(mas_is_none(mas)))
-		start++;
+	if (!unlikely(mas_is_none(mas)) && min == 0) {
+		min++;
+		/*
+		 * At this time, min is increased, we need to recheck whether
+		 * the size is satisfied.
+		 */
+		if (min > max || max - min + 1 < size)
+			return -EBUSY;
+	}
 	/* mas_is_ptr */
 
-	if (start < min)
-		start = min;
-
 	if (fwd) {
-		mas->index = start;
-		mas->last = start + size - 1;
-		return;
+		mas->index = min;
+		mas->last = min + size - 1;
+	} else {
+		mas->last = max;
+		mas->index = max - size + 1;
 	}
-
-	mas->index = max;
+	return 0;
 }
 
 /*
@@ -5324,10 +5327,8 @@ int mas_empty_area(struct ma_state *mas, unsigned long min,
 		return -EBUSY;
 
 	/* Empty set */
-	if (mas_is_none(mas) || mas_is_ptr(mas)) {
-		mas_sparse_area(mas, min, max, size, true);
-		return 0;
-	}
+	if (mas_is_none(mas) || mas_is_ptr(mas))
+		return mas_sparse_area(mas, min, max, size, true);
 
 	/* The start of the window can only be within these values */
 	mas->index = min;
@@ -5367,20 +5368,18 @@ int mas_empty_area_rev(struct ma_state *mas, unsigned long min,
 	if (min >= max)
 		return -EINVAL;
 
-	if (mas_is_start(mas)) {
+	if (mas_is_start(mas))
 		mas_start(mas);
-		mas->offset = mas_data_end(mas);
-	} else if (mas->offset >= 2) {
-		mas->offset -= 2;
-	} else if (!mas_rewind_node(mas)) {
+	else if ((mas->offset < 2) && (!mas_rewind_node(mas)))
 		return -EBUSY;
-	}
 
-	/* Empty set. */
-	if (mas_is_none(mas) || mas_is_ptr(mas)) {
-		mas_sparse_area(mas, min, max, size, false);
-		return 0;
-	}
+	if (unlikely(mas_is_none(mas) || mas_is_ptr(mas)))
+		return mas_sparse_area(mas, min, max, size, false);
+	else if (mas->offset >= 2)
+		mas->offset -= 2;
+	else
+		mas->offset = mas_data_end(mas);
+
 
 	/* The start of the window can only be within these values. */
 	mas->index = min;
diff --git a/mm/cma.c b/mm/cma.c
index 30b6ca30009bb..01e9d0b2d8757 100644
--- a/mm/cma.c
+++ b/mm/cma.c
@@ -186,10 +186,6 @@ int __init cma_init_reserved_mem(phys_addr_t base, phys_addr_t size,
 	if (!size || !memblock_is_region_reserved(base, size))
 		return -EINVAL;
 
-	/* alignment should be aligned with order_per_bit */
-	if (!IS_ALIGNED(CMA_MIN_ALIGNMENT_PAGES, 1 << order_per_bit))
-		return -EINVAL;
-
 	/* ensure minimal alignment required by mm core */
 	if (!IS_ALIGNED(base | size, CMA_MIN_ALIGNMENT_BYTES))
 		return -EINVAL;
diff --git a/mm/huge_memory.c b/mm/huge_memory.c
index 9736e762184bd..1b7f5950d6037 100644
--- a/mm/huge_memory.c
+++ b/mm/huge_memory.c
@@ -2108,32 +2108,11 @@ static void __split_huge_pmd_locked(struct vm_area_struct *vma, pmd_t *pmd,
 		return __split_huge_zero_page_pmd(vma, haddr, pmd);
 	}
 
-	/*
-	 * Up to this point the pmd is present and huge and userland has the
-	 * whole access to the hugepage during the split (which happens in
-	 * place). If we overwrite the pmd with the not-huge version pointing
-	 * to the pte here (which of course we could if all CPUs were bug
-	 * free), userland could trigger a small page size TLB miss on the
-	 * small sized TLB while the hugepage TLB entry is still established in
-	 * the huge TLB. Some CPU doesn't like that.
-	 * See http://support.amd.com/TechDocs/41322_10h_Rev_Gd.pdf, Erratum
-	 * 383 on page 105. Intel should be safe but is also warns that it's
-	 * only safe if the permission and cache attributes of the two entries
-	 * loaded in the two TLB is identical (which should be the case here).
-	 * But it is generally safer to never allow small and huge TLB entries
-	 * for the same virtual address to be loaded simultaneously. So instead
-	 * of doing "pmd_populate(); flush_pmd_tlb_range();" we first mark the
-	 * current pmd notpresent (atomically because here the pmd_trans_huge
-	 * must remain set at all times on the pmd until the split is complete
-	 * for this pmd), then we flush the SMP TLB and finally we write the
-	 * non-huge version of the pmd entry with pmd_populate.
-	 */
-	old_pmd = pmdp_invalidate(vma, haddr, pmd);
-
-	pmd_migration = is_pmd_migration_entry(old_pmd);
+	pmd_migration = is_pmd_migration_entry(*pmd);
 	if (unlikely(pmd_migration)) {
 		swp_entry_t entry;
 
+		old_pmd = *pmd;
 		entry = pmd_to_swp_entry(old_pmd);
 		page = pfn_swap_entry_to_page(entry);
 		write = is_writable_migration_entry(entry);
@@ -2144,6 +2123,30 @@ static void __split_huge_pmd_locked(struct vm_area_struct *vma, pmd_t *pmd,
 		soft_dirty = pmd_swp_soft_dirty(old_pmd);
 		uffd_wp = pmd_swp_uffd_wp(old_pmd);
 	} else {
+		/*
+		 * Up to this point the pmd is present and huge and userland has
+		 * the whole access to the hugepage during the split (which
+		 * happens in place). If we overwrite the pmd with the not-huge
+		 * version pointing to the pte here (which of course we could if
+		 * all CPUs were bug free), userland could trigger a small page
+		 * size TLB miss on the small sized TLB while the hugepage TLB
+		 * entry is still established in the huge TLB. Some CPU doesn't
+		 * like that. See
+		 * http://support.amd.com/TechDocs/41322_10h_Rev_Gd.pdf, Erratum
+		 * 383 on page 105. Intel should be safe but is also warns that
+		 * it's only safe if the permission and cache attributes of the
+		 * two entries loaded in the two TLB is identical (which should
+		 * be the case here). But it is generally safer to never allow
+		 * small and huge TLB entries for the same virtual address to be
+		 * loaded simultaneously. So instead of doing "pmd_populate();
+		 * flush_pmd_tlb_range();" we first mark the current pmd
+		 * notpresent (atomically because here the pmd_trans_huge must
+		 * remain set at all times on the pmd until the split is
+		 * complete for this pmd), then we flush the SMP TLB and finally
+		 * we write the non-huge version of the pmd entry with
+		 * pmd_populate.
+		 */
+		old_pmd = pmdp_invalidate(vma, haddr, pmd);
 		page = pmd_page(old_pmd);
 		if (pmd_dirty(old_pmd)) {
 			dirty = true;
diff --git a/mm/hugetlb.c b/mm/hugetlb.c
index 4361dcf70139f..87a14638fad09 100644
--- a/mm/hugetlb.c
+++ b/mm/hugetlb.c
@@ -7669,9 +7669,9 @@ void __init hugetlb_cma_reserve(int order)
 		 * huge page demotion.
 		 */
 		res = cma_declare_contiguous_nid(0, size, 0,
-						PAGE_SIZE << HUGETLB_PAGE_ORDER,
-						 0, false, name,
-						 &hugetlb_cma[nid], nid);
+					PAGE_SIZE << HUGETLB_PAGE_ORDER,
+					HUGETLB_PAGE_ORDER, false, name,
+					&hugetlb_cma[nid], nid);
 		if (res) {
 			pr_warn("hugetlb_cma: reservation failed: err %d, node %d",
 				res, nid);
diff --git a/mm/kmsan/core.c b/mm/kmsan/core.c
index 112dce135c7f6..dff759f32bbb3 100644
--- a/mm/kmsan/core.c
+++ b/mm/kmsan/core.c
@@ -258,8 +258,7 @@ void kmsan_internal_set_shadow_origin(void *addr, size_t size, int b,
 				      u32 origin, bool checked)
 {
 	u64 address = (u64)addr;
-	void *shadow_start;
-	u32 *origin_start;
+	u32 *shadow_start, *origin_start;
 	size_t pad = 0;
 
 	KMSAN_WARN_ON(!kmsan_metadata_is_contiguous(addr, size));
@@ -287,8 +286,16 @@ void kmsan_internal_set_shadow_origin(void *addr, size_t size, int b,
 	origin_start =
 		(u32 *)kmsan_get_metadata((void *)address, KMSAN_META_ORIGIN);
 
-	for (int i = 0; i < size / KMSAN_ORIGIN_SIZE; i++)
-		origin_start[i] = origin;
+	/*
+	 * If the new origin is non-zero, assume that the shadow byte is also non-zero,
+	 * and unconditionally overwrite the old origin slot.
+	 * If the new origin is zero, overwrite the old origin slot iff the
+	 * corresponding shadow slot is zero.
+	 */
+	for (int i = 0; i < size / KMSAN_ORIGIN_SIZE; i++) {
+		if (origin || !shadow_start[i])
+			origin_start[i] = origin;
+	}
 }
 
 struct page *kmsan_vmalloc_to_page_or_null(void *vaddr)
diff --git a/mm/pgtable-generic.c b/mm/pgtable-generic.c
index 90ab721a12a82..6a582cc07023f 100644
--- a/mm/pgtable-generic.c
+++ b/mm/pgtable-generic.c
@@ -195,6 +195,7 @@ pgtable_t pgtable_trans_huge_withdraw(struct mm_struct *mm, pmd_t *pmdp)
 pmd_t pmdp_invalidate(struct vm_area_struct *vma, unsigned long address,
 		     pmd_t *pmdp)
 {
+	VM_WARN_ON_ONCE(!pmd_present(*pmdp));
 	pmd_t old = pmdp_establish(vma, address, pmdp, pmd_mkinvalid(*pmdp));
 	flush_pmd_tlb_range(vma, address, address + HPAGE_PMD_SIZE);
 	return old;
@@ -205,6 +206,7 @@ pmd_t pmdp_invalidate(struct vm_area_struct *vma, unsigned long address,
 pmd_t pmdp_invalidate_ad(struct vm_area_struct *vma, unsigned long address,
 			 pmd_t *pmdp)
 {
+	VM_WARN_ON_ONCE(!pmd_present(*pmdp));
 	return pmdp_invalidate(vma, address, pmdp);
 }
 #endif
diff --git a/net/9p/client.c b/net/9p/client.c
index 1d9a8a1f3f107..0fc2d706d9c23 100644
--- a/net/9p/client.c
+++ b/net/9p/client.c
@@ -231,6 +231,8 @@ static int p9_fcall_init(struct p9_client *c, struct p9_fcall *fc,
 	if (!fc->sdata)
 		return -ENOMEM;
 	fc->capacity = alloc_msize;
+	fc->id = 0;
+	fc->tag = P9_NOTAG;
 	return 0;
 }
 
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 6c0f1e347b855..fcbacd39febe0 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -132,7 +132,8 @@ struct dst_entry	*ipv4_dst_check(struct dst_entry *dst, u32 cookie);
 static unsigned int	 ipv4_default_advmss(const struct dst_entry *dst);
 INDIRECT_CALLABLE_SCOPE
 unsigned int		ipv4_mtu(const struct dst_entry *dst);
-static struct dst_entry *ipv4_negative_advice(struct dst_entry *dst);
+static void		ipv4_negative_advice(struct sock *sk,
+					     struct dst_entry *dst);
 static void		 ipv4_link_failure(struct sk_buff *skb);
 static void		 ip_rt_update_pmtu(struct dst_entry *dst, struct sock *sk,
 					   struct sk_buff *skb, u32 mtu,
@@ -837,22 +838,15 @@ static void ip_do_redirect(struct dst_entry *dst, struct sock *sk, struct sk_buf
 	__ip_do_redirect(rt, skb, &fl4, true);
 }
 
-static struct dst_entry *ipv4_negative_advice(struct dst_entry *dst)
+static void ipv4_negative_advice(struct sock *sk,
+				 struct dst_entry *dst)
 {
 	struct rtable *rt = (struct rtable *)dst;
-	struct dst_entry *ret = dst;
 
-	if (rt) {
-		if (dst->obsolete > 0) {
-			ip_rt_put(rt);
-			ret = NULL;
-		} else if ((rt->rt_flags & RTCF_REDIRECTED) ||
-			   rt->dst.expires) {
-			ip_rt_put(rt);
-			ret = NULL;
-		}
-	}
-	return ret;
+	if ((dst->obsolete > 0) ||
+	    (rt->rt_flags & RTCF_REDIRECTED) ||
+	    rt->dst.expires)
+		sk_dst_reset(sk);
 }
 
 /*
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 887599d351b8d..258e87055836f 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -87,7 +87,8 @@ struct dst_entry	*ip6_dst_check(struct dst_entry *dst, u32 cookie);
 static unsigned int	 ip6_default_advmss(const struct dst_entry *dst);
 INDIRECT_CALLABLE_SCOPE
 unsigned int		ip6_mtu(const struct dst_entry *dst);
-static struct dst_entry *ip6_negative_advice(struct dst_entry *);
+static void		ip6_negative_advice(struct sock *sk,
+					    struct dst_entry *dst);
 static void		ip6_dst_destroy(struct dst_entry *);
 static void		ip6_dst_ifdown(struct dst_entry *,
 				       struct net_device *dev, int how);
@@ -2762,24 +2763,24 @@ INDIRECT_CALLABLE_SCOPE struct dst_entry *ip6_dst_check(struct dst_entry *dst,
 }
 EXPORT_INDIRECT_CALLABLE(ip6_dst_check);
 
-static struct dst_entry *ip6_negative_advice(struct dst_entry *dst)
+static void ip6_negative_advice(struct sock *sk,
+				struct dst_entry *dst)
 {
 	struct rt6_info *rt = (struct rt6_info *) dst;
 
-	if (rt) {
-		if (rt->rt6i_flags & RTF_CACHE) {
-			rcu_read_lock();
-			if (rt6_check_expired(rt)) {
-				rt6_remove_exception_rt(rt);
-				dst = NULL;
-			}
-			rcu_read_unlock();
-		} else {
-			dst_release(dst);
-			dst = NULL;
+	if (rt->rt6i_flags & RTF_CACHE) {
+		rcu_read_lock();
+		if (rt6_check_expired(rt)) {
+			/* counteract the dst_release() in sk_dst_reset() */
+			dst_hold(dst);
+			sk_dst_reset(sk);
+
+			rt6_remove_exception_rt(rt);
 		}
+		rcu_read_unlock();
+		return;
 	}
-	return dst;
+	sk_dst_reset(sk);
 }
 
 static void ip6_link_failure(struct sk_buff *skb)
@@ -4435,7 +4436,7 @@ static void rtmsg_to_fib6_config(struct net *net,
 		.fc_table = l3mdev_fib_table_by_index(net, rtmsg->rtmsg_ifindex) ?
 			 : RT6_TABLE_MAIN,
 		.fc_ifindex = rtmsg->rtmsg_ifindex,
-		.fc_metric = rtmsg->rtmsg_metric ? : IP6_RT_PRIO_USER,
+		.fc_metric = rtmsg->rtmsg_metric,
 		.fc_expires = rtmsg->rtmsg_info,
 		.fc_dst_len = rtmsg->rtmsg_dst_len,
 		.fc_src_len = rtmsg->rtmsg_src_len,
@@ -4465,6 +4466,9 @@ int ipv6_route_ioctl(struct net *net, unsigned int cmd, struct in6_rtmsg *rtmsg)
 	rtnl_lock();
 	switch (cmd) {
 	case SIOCADDRT:
+		/* Only do the default setting of fc_metric in route adding */
+		if (cfg.fc_metric == 0)
+			cfg.fc_metric = IP6_RT_PRIO_USER;
 		err = ip6_route_add(&cfg, GFP_KERNEL, NULL);
 		break;
 	case SIOCDELRT:
diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h
index 2bc37773e7803..eaed858c0ff94 100644
--- a/net/mptcp/protocol.h
+++ b/net/mptcp/protocol.h
@@ -288,6 +288,9 @@ struct mptcp_sock {
 			fastopening:1,
 			in_accept_queue:1,
 			free_first:1;
+	int		keepalive_cnt;
+	int		keepalive_idle;
+	int		keepalive_intvl;
 	struct work_struct work;
 	struct sk_buff  *ooo_last_skb;
 	struct rb_root  out_of_order_queue;
diff --git a/net/mptcp/sockopt.c b/net/mptcp/sockopt.c
index e59e46e07b5c9..ff82fc062ae76 100644
--- a/net/mptcp/sockopt.c
+++ b/net/mptcp/sockopt.c
@@ -616,20 +616,57 @@ static int mptcp_setsockopt_sol_tcp_congestion(struct mptcp_sock *msk, sockptr_t
 	return ret;
 }
 
-static int mptcp_setsockopt_sol_tcp_cork(struct mptcp_sock *msk, sockptr_t optval,
-					 unsigned int optlen)
+static int __tcp_sock_set_keepintvl(struct sock *sk, int val)
 {
-	struct mptcp_subflow_context *subflow;
-	struct sock *sk = (struct sock *)msk;
-	int val;
+	if (val < 1 || val > MAX_TCP_KEEPINTVL)
+		return -EINVAL;
 
-	if (optlen < sizeof(int))
+	WRITE_ONCE(tcp_sk(sk)->keepalive_intvl, val * HZ);
+
+	return 0;
+}
+
+static int __tcp_sock_set_keepcnt(struct sock *sk, int val)
+{
+	if (val < 1 || val > MAX_TCP_KEEPCNT)
 		return -EINVAL;
 
-	if (copy_from_sockptr(&val, optval, sizeof(val)))
-		return -EFAULT;
+	/* Paired with READ_ONCE() in keepalive_probes() */
+	WRITE_ONCE(tcp_sk(sk)->keepalive_probes, val);
+
+	return 0;
+}
+
+static int __mptcp_setsockopt_set_val(struct mptcp_sock *msk, int max,
+				      int (*set_val)(struct sock *, int),
+				      int *msk_val, int val)
+{
+	struct mptcp_subflow_context *subflow;
+	int err = 0;
+
+	mptcp_for_each_subflow(msk, subflow) {
+		struct sock *ssk = mptcp_subflow_tcp_sock(subflow);
+		int ret;
+
+		lock_sock(ssk);
+		ret = set_val(ssk, val);
+		err = err ? : ret;
+		release_sock(ssk);
+	}
+
+	if (!err) {
+		*msk_val = val;
+		sockopt_seq_inc(msk);
+	}
+
+	return err;
+}
+
+static int __mptcp_setsockopt_sol_tcp_cork(struct mptcp_sock *msk, int val)
+{
+	struct mptcp_subflow_context *subflow;
+	struct sock *sk = (struct sock *)msk;
 
-	lock_sock(sk);
 	sockopt_seq_inc(msk);
 	msk->cork = !!val;
 	mptcp_for_each_subflow(msk, subflow) {
@@ -641,25 +678,15 @@ static int mptcp_setsockopt_sol_tcp_cork(struct mptcp_sock *msk, sockptr_t optva
 	}
 	if (!val)
 		mptcp_check_and_set_pending(sk);
-	release_sock(sk);
 
 	return 0;
 }
 
-static int mptcp_setsockopt_sol_tcp_nodelay(struct mptcp_sock *msk, sockptr_t optval,
-					    unsigned int optlen)
+static int __mptcp_setsockopt_sol_tcp_nodelay(struct mptcp_sock *msk, int val)
 {
 	struct mptcp_subflow_context *subflow;
 	struct sock *sk = (struct sock *)msk;
-	int val;
-
-	if (optlen < sizeof(int))
-		return -EINVAL;
-
-	if (copy_from_sockptr(&val, optval, sizeof(val)))
-		return -EFAULT;
 
-	lock_sock(sk);
 	sockopt_seq_inc(msk);
 	msk->nodelay = !!val;
 	mptcp_for_each_subflow(msk, subflow) {
@@ -671,8 +698,6 @@ static int mptcp_setsockopt_sol_tcp_nodelay(struct mptcp_sock *msk, sockptr_t op
 	}
 	if (val)
 		mptcp_check_and_set_pending(sk);
-	release_sock(sk);
-
 	return 0;
 }
 
@@ -797,25 +822,10 @@ static int mptcp_setsockopt_sol_tcp(struct mptcp_sock *msk, int optname,
 	int ret, val;
 
 	switch (optname) {
-	case TCP_INQ:
-		ret = mptcp_get_int_option(msk, optval, optlen, &val);
-		if (ret)
-			return ret;
-		if (val < 0 || val > 1)
-			return -EINVAL;
-
-		lock_sock(sk);
-		msk->recvmsg_inq = !!val;
-		release_sock(sk);
-		return 0;
 	case TCP_ULP:
 		return -EOPNOTSUPP;
 	case TCP_CONGESTION:
 		return mptcp_setsockopt_sol_tcp_congestion(msk, optval, optlen);
-	case TCP_CORK:
-		return mptcp_setsockopt_sol_tcp_cork(msk, optval, optlen);
-	case TCP_NODELAY:
-		return mptcp_setsockopt_sol_tcp_nodelay(msk, optval, optlen);
 	case TCP_DEFER_ACCEPT:
 		return mptcp_setsockopt_sol_tcp_defer(msk, optval, optlen);
 	case TCP_FASTOPEN_CONNECT:
@@ -823,7 +833,46 @@ static int mptcp_setsockopt_sol_tcp(struct mptcp_sock *msk, int optname,
 						      optval, optlen);
 	}
 
-	return -EOPNOTSUPP;
+	ret = mptcp_get_int_option(msk, optval, optlen, &val);
+	if (ret)
+		return ret;
+
+	lock_sock(sk);
+	switch (optname) {
+	case TCP_INQ:
+		if (val < 0 || val > 1)
+			ret = -EINVAL;
+		else
+			msk->recvmsg_inq = !!val;
+		break;
+	case TCP_CORK:
+		ret = __mptcp_setsockopt_sol_tcp_cork(msk, val);
+		break;
+	case TCP_NODELAY:
+		ret = __mptcp_setsockopt_sol_tcp_nodelay(msk, val);
+		break;
+	case TCP_KEEPIDLE:
+		ret = __mptcp_setsockopt_set_val(msk, MAX_TCP_KEEPIDLE,
+						 &tcp_sock_set_keepidle_locked,
+						 &msk->keepalive_idle, val);
+		break;
+	case TCP_KEEPINTVL:
+		ret = __mptcp_setsockopt_set_val(msk, MAX_TCP_KEEPINTVL,
+						 &__tcp_sock_set_keepintvl,
+						 &msk->keepalive_intvl, val);
+		break;
+	case TCP_KEEPCNT:
+		ret = __mptcp_setsockopt_set_val(msk, MAX_TCP_KEEPCNT,
+						 &__tcp_sock_set_keepcnt,
+						 &msk->keepalive_cnt,
+						 val);
+		break;
+	default:
+		ret = -ENOPROTOOPT;
+	}
+
+	release_sock(sk);
+	return ret;
 }
 
 int mptcp_setsockopt(struct sock *sk, int level, int optname,
@@ -1176,6 +1225,8 @@ static int mptcp_put_int_option(struct mptcp_sock *msk, char __user *optval,
 static int mptcp_getsockopt_sol_tcp(struct mptcp_sock *msk, int optname,
 				    char __user *optval, int __user *optlen)
 {
+	struct sock *sk = (void *)msk;
+
 	switch (optname) {
 	case TCP_ULP:
 	case TCP_CONGESTION:
@@ -1191,6 +1242,18 @@ static int mptcp_getsockopt_sol_tcp(struct mptcp_sock *msk, int optname,
 		return mptcp_put_int_option(msk, optval, optlen, msk->cork);
 	case TCP_NODELAY:
 		return mptcp_put_int_option(msk, optval, optlen, msk->nodelay);
+	case TCP_KEEPIDLE:
+		return mptcp_put_int_option(msk, optval, optlen,
+					    msk->keepalive_idle ? :
+					    READ_ONCE(sock_net(sk)->ipv4.sysctl_tcp_keepalive_time) / HZ);
+	case TCP_KEEPINTVL:
+		return mptcp_put_int_option(msk, optval, optlen,
+					    msk->keepalive_intvl ? :
+					    READ_ONCE(sock_net(sk)->ipv4.sysctl_tcp_keepalive_intvl) / HZ);
+	case TCP_KEEPCNT:
+		return mptcp_put_int_option(msk, optval, optlen,
+					    msk->keepalive_cnt ? :
+					    READ_ONCE(sock_net(sk)->ipv4.sysctl_tcp_keepalive_probes));
 	}
 	return -EOPNOTSUPP;
 }
@@ -1295,6 +1358,9 @@ static void sync_socket_options(struct mptcp_sock *msk, struct sock *ssk)
 		tcp_set_congestion_control(ssk, msk->ca_name, false, true);
 	__tcp_sock_set_cork(ssk, !!msk->cork);
 	__tcp_sock_set_nodelay(ssk, !!msk->nodelay);
+	tcp_sock_set_keepidle_locked(ssk, msk->keepalive_idle);
+	__tcp_sock_set_keepintvl(ssk, msk->keepalive_intvl);
+	__tcp_sock_set_keepcnt(ssk, msk->keepalive_cnt);
 
 	inet_sk(ssk)->transparent = inet_sk(sk)->transparent;
 	inet_sk(ssk)->freebind = inet_sk(sk)->freebind;
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index e47c670c7e2cd..5fddde2d5bc48 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -3772,15 +3772,10 @@ static void xfrm_link_failure(struct sk_buff *skb)
 	/* Impossible. Such dst must be popped before reaches point of failure. */
 }
 
-static struct dst_entry *xfrm_negative_advice(struct dst_entry *dst)
+static void xfrm_negative_advice(struct sock *sk, struct dst_entry *dst)
 {
-	if (dst) {
-		if (dst->obsolete) {
-			dst_release(dst);
-			dst = NULL;
-		}
-	}
-	return dst;
+	if (dst->obsolete)
+		sk_dst_reset(sk);
 }
 
 static void xfrm_init_pmtu(struct xfrm_dst **bundle, int nr)
diff --git a/scripts/gdb/linux/constants.py.in b/scripts/gdb/linux/constants.py.in
index 08f0587d15ea1..0ff707bc18960 100644
--- a/scripts/gdb/linux/constants.py.in
+++ b/scripts/gdb/linux/constants.py.in
@@ -46,12 +46,12 @@ if IS_BUILTIN(CONFIG_COMMON_CLK):
     LX_GDBPARSED(CLK_GET_RATE_NOCACHE)
 
 /* linux/fs.h */
-LX_VALUE(SB_RDONLY)
-LX_VALUE(SB_SYNCHRONOUS)
-LX_VALUE(SB_MANDLOCK)
-LX_VALUE(SB_DIRSYNC)
-LX_VALUE(SB_NOATIME)
-LX_VALUE(SB_NODIRATIME)
+LX_GDBPARSED(SB_RDONLY)
+LX_GDBPARSED(SB_SYNCHRONOUS)
+LX_GDBPARSED(SB_MANDLOCK)
+LX_GDBPARSED(SB_DIRSYNC)
+LX_GDBPARSED(SB_NOATIME)
+LX_GDBPARSED(SB_NODIRATIME)
 
 /* linux/htimer.h */
 LX_GDBPARSED(hrtimer_resolution)