diff --git a/MAINTAINERS b/MAINTAINERS
index fb2a363..c80ad73 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -7474,8 +7474,9 @@
 GENERIC PHY FRAMEWORK
 M:	Kishon Vijay Abraham I <kishon@ti.com>
 M:	Vinod Koul <vkoul@kernel.org>
-L:	linux-kernel@vger.kernel.org
+L:	linux-phy@lists.infradead.org
 S:	Supported
+Q:	https://patchwork.kernel.org/project/linux-phy/list/
 T:	git git://git.kernel.org/pub/scm/linux/kernel/git/phy/linux-phy.git
 F:	Documentation/devicetree/bindings/phy/
 F:	drivers/phy/
@@ -15627,8 +15628,8 @@
 
 S390 VFIO AP DRIVER
 M:	Tony Krowiak <akrowiak@linux.ibm.com>
-M:	Pierre Morel <pmorel@linux.ibm.com>
 M:	Halil Pasic <pasic@linux.ibm.com>
+M:	Jason Herne <jjherne@linux.ibm.com>
 L:	linux-s390@vger.kernel.org
 S:	Supported
 W:	http://www.ibm.com/developerworks/linux/linux390/
@@ -15640,6 +15641,7 @@
 S390 VFIO-CCW DRIVER
 M:	Cornelia Huck <cohuck@redhat.com>
 M:	Eric Farman <farman@linux.ibm.com>
+M:	Matthew Rosato <mjrosato@linux.ibm.com>
 R:	Halil Pasic <pasic@linux.ibm.com>
 L:	linux-s390@vger.kernel.org
 L:	kvm@vger.kernel.org
@@ -15650,6 +15652,7 @@
 
 S390 VFIO-PCI DRIVER
 M:	Matthew Rosato <mjrosato@linux.ibm.com>
+M:	Eric Farman <farman@linux.ibm.com>
 L:	linux-s390@vger.kernel.org
 L:	kvm@vger.kernel.org
 S:	Supported
diff --git a/Makefile b/Makefile
index 73add16..cc77fd4 100644
--- a/Makefile
+++ b/Makefile
@@ -2,7 +2,7 @@
 VERSION = 5
 PATCHLEVEL = 12
 SUBLEVEL = 0
-EXTRAVERSION = -rc5
+EXTRAVERSION = -rc6
 NAME = Frozen Wasteland
 
 # *DOCUMENTATION*
diff --git a/arch/arm64/include/asm/kvm_arm.h b/arch/arm64/include/asm/kvm_arm.h
index 4e90c2d..94d4025 100644
--- a/arch/arm64/include/asm/kvm_arm.h
+++ b/arch/arm64/include/asm/kvm_arm.h
@@ -278,6 +278,7 @@
 #define CPTR_EL2_DEFAULT	CPTR_EL2_RES1
 
 /* Hyp Debug Configuration Register bits */
+#define MDCR_EL2_TTRF		(1 << 19)
 #define MDCR_EL2_TPMS		(1 << 14)
 #define MDCR_EL2_E2PB_MASK	(UL(0x3))
 #define MDCR_EL2_E2PB_SHIFT	(UL(12))
diff --git a/arch/arm64/kernel/cpufeature.c b/arch/arm64/kernel/cpufeature.c
index 2a5d9854..e5281e1c 100644
--- a/arch/arm64/kernel/cpufeature.c
+++ b/arch/arm64/kernel/cpufeature.c
@@ -383,7 +383,6 @@
 	 * of support.
 	 */
 	S_ARM64_FTR_BITS(FTR_HIDDEN, FTR_NONSTRICT, FTR_EXACT, ID_AA64DFR0_PMUVER_SHIFT, 4, 0),
-	ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_EXACT, ID_AA64DFR0_TRACEVER_SHIFT, 4, 0),
 	ARM64_FTR_BITS(FTR_HIDDEN, FTR_STRICT, FTR_EXACT, ID_AA64DFR0_DEBUGVER_SHIFT, 4, 0x6),
 	ARM64_FTR_END,
 };
diff --git a/arch/arm64/kvm/debug.c b/arch/arm64/kvm/debug.c
index 7a7e425..dbc8905 100644
--- a/arch/arm64/kvm/debug.c
+++ b/arch/arm64/kvm/debug.c
@@ -89,6 +89,7 @@
  *  - Debug ROM Address (MDCR_EL2_TDRA)
  *  - OS related registers (MDCR_EL2_TDOSA)
  *  - Statistical profiler (MDCR_EL2_TPMS/MDCR_EL2_E2PB)
+ *  - Self-hosted Trace Filter controls (MDCR_EL2_TTRF)
  *
  * Additionally, KVM only traps guest accesses to the debug registers if
  * the guest is not actively using them (see the KVM_ARM64_DEBUG_DIRTY
@@ -112,6 +113,7 @@
 	vcpu->arch.mdcr_el2 = __this_cpu_read(mdcr_el2) & MDCR_EL2_HPMN_MASK;
 	vcpu->arch.mdcr_el2 |= (MDCR_EL2_TPM |
 				MDCR_EL2_TPMS |
+				MDCR_EL2_TTRF |
 				MDCR_EL2_TPMCR |
 				MDCR_EL2_TDRA |
 				MDCR_EL2_TDOSA);
diff --git a/arch/arm64/kvm/hyp/vgic-v3-sr.c b/arch/arm64/kvm/hyp/vgic-v3-sr.c
index ee3682b..39f8f7f 100644
--- a/arch/arm64/kvm/hyp/vgic-v3-sr.c
+++ b/arch/arm64/kvm/hyp/vgic-v3-sr.c
@@ -429,6 +429,13 @@
 	if (has_vhe())
 		flags = local_daif_save();
 
+	/*
+	 * Table 11-2 "Permitted ICC_SRE_ELx.SRE settings" indicates
+	 * that to be able to set ICC_SRE_EL1.SRE to 0, all the
+	 * interrupt overrides must be set. You've got to love this.
+	 */
+	sysreg_clear_set(hcr_el2, 0, HCR_AMO | HCR_FMO | HCR_IMO);
+	isb();
 	write_gicreg(0, ICC_SRE_EL1);
 	isb();
 
@@ -436,6 +443,8 @@
 
 	write_gicreg(sre, ICC_SRE_EL1);
 	isb();
+	sysreg_clear_set(hcr_el2, HCR_AMO | HCR_FMO | HCR_IMO, 0);
+	isb();
 
 	if (has_vhe())
 		local_daif_restore(flags);
diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c
index 279be01..23a1403 100644
--- a/arch/mips/kernel/setup.c
+++ b/arch/mips/kernel/setup.c
@@ -43,7 +43,7 @@
 #include <asm/prom.h>
 
 #ifdef CONFIG_MIPS_ELF_APPENDED_DTB
-const char __section(".appended_dtb") __appended_dtb[0x100000];
+char __section(".appended_dtb") __appended_dtb[0x100000];
 #endif /* CONFIG_MIPS_ELF_APPENDED_DTB */
 
 struct cpuinfo_mips cpu_data[NR_CPUS] __read_mostly;
diff --git a/arch/parisc/include/asm/cmpxchg.h b/arch/parisc/include/asm/cmpxchg.h
index cf5ee9b..84ee232 100644
--- a/arch/parisc/include/asm/cmpxchg.h
+++ b/arch/parisc/include/asm/cmpxchg.h
@@ -72,7 +72,7 @@
 #endif
 	case 4: return __cmpxchg_u32((unsigned int *)ptr,
 				     (unsigned int)old, (unsigned int)new_);
-	case 1: return __cmpxchg_u8((u8 *)ptr, (u8)old, (u8)new_);
+	case 1: return __cmpxchg_u8((u8 *)ptr, old & 0xff, new_ & 0xff);
 	}
 	__cmpxchg_called_with_bad_pointer();
 	return old;
diff --git a/arch/parisc/include/asm/processor.h b/arch/parisc/include/asm/processor.h
index 11ece0d..b5fbcd2 100644
--- a/arch/parisc/include/asm/processor.h
+++ b/arch/parisc/include/asm/processor.h
@@ -272,7 +272,6 @@
 	regs->gr[23] = 0;				\
 } while(0)
 
-struct task_struct;
 struct mm_struct;
 
 /* Free all resources held by a thread. */
diff --git a/arch/parisc/math-emu/fpu.h b/arch/parisc/math-emu/fpu.h
index 853c19c..dec951d 100644
--- a/arch/parisc/math-emu/fpu.h
+++ b/arch/parisc/math-emu/fpu.h
@@ -5,34 +5,10 @@
  * Floating-point emulation code
  *  Copyright (C) 2001 Hewlett-Packard (Paul Bame) <bame@debian.org>
  */
-/*
- * BEGIN_DESC
- * 
- *  File: 
- *      @(#)	pa/fp/fpu.h		$Revision: 1.1 $
- * 
- *  Purpose:
- *      <<please update with a synopis of the functionality provided by this file>>
- * 
- * 
- * END_DESC  
-*/
-
-#ifdef __NO_PA_HDRS
-    PA header file -- do not include this header file for non-PA builds.
-#endif
-
 
 #ifndef _MACHINE_FPU_INCLUDED /* allows multiple inclusion */
 #define _MACHINE_FPU_INCLUDED
 
-#if 0
-#ifndef _SYS_STDSYMS_INCLUDED
-#    include <sys/stdsyms.h>
-#endif   /* _SYS_STDSYMS_INCLUDED  */
-#include  <machine/pdc/pdc_rqsts.h>
-#endif
-
 #define PA83_FPU_FLAG    0x00000001
 #define PA89_FPU_FLAG    0x00000002
 #define PA2_0_FPU_FLAG   0x00000010
@@ -43,21 +19,19 @@
 #define COPR_FP 	0x00000080	/* Floating point -- Coprocessor 0 */
 #define SFU_MPY_DIVIDE	0x00008000	/* Multiply/Divide __ SFU 0 */
 
-
 #define EM_FPU_TYPE_OFFSET 272
 
 /* version of EMULATION software for COPR,0,0 instruction */
 #define EMULATION_VERSION 4
 
 /*
- * The only was to differeniate between TIMEX and ROLEX (or PCX-S and PCX-T)
- * is thorough the potential type field from the PDC_MODEL call.  The 
- * following flags are used at assist this differeniation.
+ * The only way to differentiate between TIMEX and ROLEX (or PCX-S and PCX-T)
+ * is through the potential type field from the PDC_MODEL call.
+ * The following flags are used to assist this differentiation.
  */
 
 #define ROLEX_POTENTIAL_KEY_FLAGS	PDC_MODEL_CPU_KEY_WORD_TO_IO
 #define TIMEX_POTENTIAL_KEY_FLAGS	(PDC_MODEL_CPU_KEY_QUAD_STORE | \
 					 PDC_MODEL_CPU_KEY_RECIP_SQRT)
 
-
 #endif /* ! _MACHINE_FPU_INCLUDED */
diff --git a/arch/powerpc/platforms/pseries/lpar.c b/arch/powerpc/platforms/pseries/lpar.c
index 764170f..3805519 100644
--- a/arch/powerpc/platforms/pseries/lpar.c
+++ b/arch/powerpc/platforms/pseries/lpar.c
@@ -887,7 +887,8 @@
 
 	want_v = hpte_encode_avpn(vpn, psize, ssize);
 
-	flags = (newpp & 7) | H_AVPN;
+	flags = (newpp & (HPTE_R_PP | HPTE_R_N | HPTE_R_KEY_LO)) | H_AVPN;
+	flags |= (newpp & HPTE_R_KEY_HI) >> 48;
 	if (mmu_has_feature(MMU_FTR_KERNEL_RO))
 		/* Move pp0 into bit 8 (IBM 55) */
 		flags |= (newpp & HPTE_R_PP0) >> 55;
diff --git a/arch/powerpc/platforms/pseries/mobility.c b/arch/powerpc/platforms/pseries/mobility.c
index ea4d6a6..e83e089 100644
--- a/arch/powerpc/platforms/pseries/mobility.c
+++ b/arch/powerpc/platforms/pseries/mobility.c
@@ -452,12 +452,28 @@
 	return ret;
 }
 
+/**
+ * struct pseries_suspend_info - State shared between CPUs for join/suspend.
+ * @counter: Threads are to increment this upon resuming from suspend
+ *           or if an error is received from H_JOIN. The thread which performs
+ *           the first increment (i.e. sets it to 1) is responsible for
+ *           waking the other threads.
+ * @done: False if join/suspend is in progress. True if the operation is
+ *        complete (successful or not).
+ */
+struct pseries_suspend_info {
+	atomic_t counter;
+	bool done;
+};
+
 static int do_join(void *arg)
 {
-	atomic_t *counter = arg;
+	struct pseries_suspend_info *info = arg;
+	atomic_t *counter = &info->counter;
 	long hvrc;
 	int ret;
 
+retry:
 	/* Must ensure MSR.EE off for H_JOIN. */
 	hard_irq_disable();
 	hvrc = plpar_hcall_norets(H_JOIN);
@@ -473,8 +489,20 @@
 	case H_SUCCESS:
 		/*
 		 * The suspend is complete and this cpu has received a
-		 * prod.
+		 * prod, or we've received a stray prod from unrelated
+		 * code (e.g. paravirt spinlocks) and we need to join
+		 * again.
+		 *
+		 * This barrier orders the return from H_JOIN above vs
+		 * the load of info->done. It pairs with the barrier
+		 * in the wakeup/prod path below.
 		 */
+		smp_mb();
+		if (READ_ONCE(info->done) == false) {
+			pr_info_ratelimited("premature return from H_JOIN on CPU %i, retrying",
+					    smp_processor_id());
+			goto retry;
+		}
 		ret = 0;
 		break;
 	case H_BAD_MODE:
@@ -488,6 +516,13 @@
 
 	if (atomic_inc_return(counter) == 1) {
 		pr_info("CPU %u waking all threads\n", smp_processor_id());
+		WRITE_ONCE(info->done, true);
+		/*
+		 * This barrier orders the store to info->done vs subsequent
+		 * H_PRODs to wake the other CPUs. It pairs with the barrier
+		 * in the H_SUCCESS case above.
+		 */
+		smp_mb();
 		prod_others();
 	}
 	/*
@@ -535,11 +570,16 @@
 	int ret;
 
 	while (true) {
-		atomic_t counter = ATOMIC_INIT(0);
+		struct pseries_suspend_info info;
 		unsigned long vasi_state;
 		int vasi_err;
 
-		ret = stop_machine(do_join, &counter, cpu_online_mask);
+		info = (struct pseries_suspend_info) {
+			.counter = ATOMIC_INIT(0),
+			.done = false,
+		};
+
+		ret = stop_machine(do_join, &info, cpu_online_mask);
 		if (ret == 0)
 			break;
 		/*
diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig
index 87d7b52..0d0cf67 100644
--- a/arch/riscv/Kconfig
+++ b/arch/riscv/Kconfig
@@ -314,7 +314,7 @@
 # Common NUMA Features
 config NUMA
 	bool "NUMA Memory Allocation and Scheduler Support"
-	depends on SMP
+	depends on SMP && MMU
 	select GENERIC_ARCH_NUMA
 	select OF_NUMA
 	select ARCH_SUPPORTS_NUMA_BALANCING
diff --git a/arch/riscv/include/asm/uaccess.h b/arch/riscv/include/asm/uaccess.h
index 824b2c9..f944062 100644
--- a/arch/riscv/include/asm/uaccess.h
+++ b/arch/riscv/include/asm/uaccess.h
@@ -306,7 +306,9 @@
  * data types like structures or arrays.
  *
  * @ptr must have pointer-to-simple-variable type, and @x must be assignable
- * to the result of dereferencing @ptr.
+ * to the result of dereferencing @ptr. The value of @x is copied to avoid
+ * re-ordering where @x is evaluated inside the block that enables user-space
+ * access (thus bypassing user space protection if @x is a function).
  *
  * Caller must check the pointer with access_ok() before calling this
  * function.
@@ -316,12 +318,13 @@
 #define __put_user(x, ptr)					\
 ({								\
 	__typeof__(*(ptr)) __user *__gu_ptr = (ptr);		\
+	__typeof__(*__gu_ptr) __val = (x);			\
 	long __pu_err = 0;					\
 								\
 	__chk_user_ptr(__gu_ptr);				\
 								\
 	__enable_user_access();					\
-	__put_user_nocheck(x, __gu_ptr, __pu_err);		\
+	__put_user_nocheck(__val, __gu_ptr, __pu_err);		\
 	__disable_user_access();				\
 								\
 	__pu_err;						\
diff --git a/arch/riscv/kernel/entry.S b/arch/riscv/kernel/entry.S
index 744f320..76274a4 100644
--- a/arch/riscv/kernel/entry.S
+++ b/arch/riscv/kernel/entry.S
@@ -447,6 +447,7 @@
 #endif
 
 	.section ".rodata"
+	.align LGREG
 	/* Exception vector table */
 ENTRY(excp_vect_table)
 	RISCV_PTR do_trap_insn_misaligned
diff --git a/arch/riscv/kernel/stacktrace.c b/arch/riscv/kernel/stacktrace.c
index 3f893c9..2b3e0cb 100644
--- a/arch/riscv/kernel/stacktrace.c
+++ b/arch/riscv/kernel/stacktrace.c
@@ -14,7 +14,7 @@
 
 #include <asm/stacktrace.h>
 
-register const unsigned long sp_in_global __asm__("sp");
+register unsigned long sp_in_global __asm__("sp");
 
 #ifdef CONFIG_FRAME_POINTER
 
diff --git a/arch/riscv/mm/kasan_init.c b/arch/riscv/mm/kasan_init.c
index 4f85c6d..937d13c 100644
--- a/arch/riscv/mm/kasan_init.c
+++ b/arch/riscv/mm/kasan_init.c
@@ -216,7 +216,7 @@
 			break;
 
 		kasan_populate(kasan_mem_to_shadow(start), kasan_mem_to_shadow(end));
-	};
+	}
 
 	for (i = 0; i < PTRS_PER_PTE; i++)
 		set_pte(&kasan_early_shadow_pte[i],
diff --git a/arch/s390/include/asm/vdso/data.h b/arch/s390/include/asm/vdso/data.h
index 7b3cdb4..73ee891 100644
--- a/arch/s390/include/asm/vdso/data.h
+++ b/arch/s390/include/asm/vdso/data.h
@@ -6,7 +6,7 @@
 #include <vdso/datapage.h>
 
 struct arch_vdso_data {
-	__u64 tod_steering_delta;
+	__s64 tod_steering_delta;
 	__u64 tod_steering_end;
 };
 
diff --git a/arch/s390/kernel/time.c b/arch/s390/kernel/time.c
index 165da96..326cb8f 100644
--- a/arch/s390/kernel/time.c
+++ b/arch/s390/kernel/time.c
@@ -80,10 +80,12 @@
 {
 	struct ptff_qto qto;
 	struct ptff_qui qui;
+	int cs;
 
 	/* Initialize TOD steering parameters */
 	tod_steering_end = tod_clock_base.tod;
-	vdso_data->arch_data.tod_steering_end = tod_steering_end;
+	for (cs = 0; cs < CS_BASES; cs++)
+		vdso_data[cs].arch_data.tod_steering_end = tod_steering_end;
 
 	if (!test_facility(28))
 		return;
@@ -366,6 +368,7 @@
 {
 	unsigned long now, adj;
 	struct ptff_qto qto;
+	int cs;
 
 	/* Fixup the monotonic sched clock. */
 	tod_clock_base.eitod += delta;
@@ -381,7 +384,10 @@
 		panic("TOD clock sync offset %li is too large to drift\n",
 		      tod_steering_delta);
 	tod_steering_end = now + (abs(tod_steering_delta) << 15);
-	vdso_data->arch_data.tod_steering_end = tod_steering_end;
+	for (cs = 0; cs < CS_BASES; cs++) {
+		vdso_data[cs].arch_data.tod_steering_end = tod_steering_end;
+		vdso_data[cs].arch_data.tod_steering_delta = tod_steering_delta;
+	}
 
 	/* Update LPAR offset. */
 	if (ptff_query(PTFF_QTO) && ptff(&qto, sizeof(qto), PTFF_QTO) == 0)
diff --git a/arch/x86/include/asm/smp.h b/arch/x86/include/asm/smp.h
index c0538f8..57ef209 100644
--- a/arch/x86/include/asm/smp.h
+++ b/arch/x86/include/asm/smp.h
@@ -132,6 +132,7 @@
 void play_dead_common(void);
 void wbinvd_on_cpu(int cpu);
 int wbinvd_on_all_cpus(void);
+bool wakeup_cpu0(void);
 
 void native_smp_send_reschedule(int cpu);
 void native_send_call_func_ipi(const struct cpumask *mask);
diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index 7bdc023..14cd318 100644
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -1554,10 +1554,18 @@
 	/*
 	 * Initialize the ACPI boot-time table parser.
 	 */
-	if (acpi_table_init()) {
+	if (acpi_locate_initial_tables())
 		disable_acpi();
-		return;
-	}
+	else
+		acpi_reserve_initial_tables();
+}
+
+int __init early_acpi_boot_init(void)
+{
+	if (acpi_disabled)
+		return 1;
+
+	acpi_table_init_complete();
 
 	acpi_table_parse(ACPI_SIG_BOOT, acpi_parse_sbf);
 
@@ -1570,18 +1578,9 @@
 		} else {
 			printk(KERN_WARNING PREFIX "Disabling ACPI support\n");
 			disable_acpi();
-			return;
+			return 1;
 		}
 	}
-}
-
-int __init early_acpi_boot_init(void)
-{
-	/*
-	 * If acpi_disabled, bail out
-	 */
-	if (acpi_disabled)
-		return 1;
 
 	/*
 	 * Process the Multiple APIC Description Table (MADT), if present
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index d883176..5ecd69a 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -1045,6 +1045,9 @@
 
 	cleanup_highmap();
 
+	/* Look for ACPI tables and reserve memory occupied by them. */
+	acpi_boot_table_init();
+
 	memblock_set_current_limit(ISA_END_ADDRESS);
 	e820__memblock_setup();
 
@@ -1136,11 +1139,6 @@
 
 	early_platform_quirks();
 
-	/*
-	 * Parse the ACPI tables for possible boot-time SMP configuration.
-	 */
-	acpi_boot_table_init();
-
 	early_acpi_boot_init();
 
 	initmem_init();
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index 02813a7..f877150 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -1659,7 +1659,7 @@
 	local_irq_disable();
 }
 
-static bool wakeup_cpu0(void)
+bool wakeup_cpu0(void)
 {
 	if (smp_processor_id() == 0 && enable_start_cpu0)
 		return true;
diff --git a/arch/x86/kvm/Makefile b/arch/x86/kvm/Makefile
index 1b4766f..eafc4d6 100644
--- a/arch/x86/kvm/Makefile
+++ b/arch/x86/kvm/Makefile
@@ -1,6 +1,6 @@
 # SPDX-License-Identifier: GPL-2.0
 
-ccflags-y += -Iarch/x86/kvm
+ccflags-y += -I $(srctree)/arch/x86/kvm
 ccflags-$(CONFIG_KVM_WERROR) += -Werror
 
 ifeq ($(CONFIG_FRAME_POINTER),y)
diff --git a/arch/x86/kvm/mmu/mmu.c b/arch/x86/kvm/mmu/mmu.c
index d75524b..486aa94 100644
--- a/arch/x86/kvm/mmu/mmu.c
+++ b/arch/x86/kvm/mmu/mmu.c
@@ -5884,6 +5884,7 @@
 	struct kvm_mmu_page *sp;
 	unsigned int ratio;
 	LIST_HEAD(invalid_list);
+	bool flush = false;
 	ulong to_zap;
 
 	rcu_idx = srcu_read_lock(&kvm->srcu);
@@ -5905,19 +5906,19 @@
 				      lpage_disallowed_link);
 		WARN_ON_ONCE(!sp->lpage_disallowed);
 		if (is_tdp_mmu_page(sp)) {
-			kvm_tdp_mmu_zap_gfn_range(kvm, sp->gfn,
-				sp->gfn + KVM_PAGES_PER_HPAGE(sp->role.level));
+			flush = kvm_tdp_mmu_zap_sp(kvm, sp);
 		} else {
 			kvm_mmu_prepare_zap_page(kvm, sp, &invalid_list);
 			WARN_ON_ONCE(sp->lpage_disallowed);
 		}
 
 		if (need_resched() || rwlock_needbreak(&kvm->mmu_lock)) {
-			kvm_mmu_commit_zap_page(kvm, &invalid_list);
+			kvm_mmu_remote_flush_or_zap(kvm, &invalid_list, flush);
 			cond_resched_rwlock_write(&kvm->mmu_lock);
+			flush = false;
 		}
 	}
-	kvm_mmu_commit_zap_page(kvm, &invalid_list);
+	kvm_mmu_remote_flush_or_zap(kvm, &invalid_list, flush);
 
 	write_unlock(&kvm->mmu_lock);
 	srcu_read_unlock(&kvm->srcu, rcu_idx);
diff --git a/arch/x86/kvm/mmu/tdp_mmu.c b/arch/x86/kvm/mmu/tdp_mmu.c
index 462b1f7..018d82e7 100644
--- a/arch/x86/kvm/mmu/tdp_mmu.c
+++ b/arch/x86/kvm/mmu/tdp_mmu.c
@@ -86,7 +86,7 @@
 	list_for_each_entry(_root, &_kvm->arch.tdp_mmu_roots, link)
 
 static bool zap_gfn_range(struct kvm *kvm, struct kvm_mmu_page *root,
-			  gfn_t start, gfn_t end, bool can_yield);
+			  gfn_t start, gfn_t end, bool can_yield, bool flush);
 
 void kvm_tdp_mmu_free_root(struct kvm *kvm, struct kvm_mmu_page *root)
 {
@@ -99,7 +99,7 @@
 
 	list_del(&root->link);
 
-	zap_gfn_range(kvm, root, 0, max_gfn, false);
+	zap_gfn_range(kvm, root, 0, max_gfn, false, false);
 
 	free_page((unsigned long)root->spt);
 	kmem_cache_free(mmu_page_header_cache, root);
@@ -668,20 +668,21 @@
  * scheduler needs the CPU or there is contention on the MMU lock. If this
  * function cannot yield, it will not release the MMU lock or reschedule and
  * the caller must ensure it does not supply too large a GFN range, or the
- * operation can cause a soft lockup.
+ * operation can cause a soft lockup.  Note, in some use cases a flush may be
+ * required by prior actions.  Ensure the pending flush is performed prior to
+ * yielding.
  */
 static bool zap_gfn_range(struct kvm *kvm, struct kvm_mmu_page *root,
-			  gfn_t start, gfn_t end, bool can_yield)
+			  gfn_t start, gfn_t end, bool can_yield, bool flush)
 {
 	struct tdp_iter iter;
-	bool flush_needed = false;
 
 	rcu_read_lock();
 
 	tdp_root_for_each_pte(iter, root, start, end) {
 		if (can_yield &&
-		    tdp_mmu_iter_cond_resched(kvm, &iter, flush_needed)) {
-			flush_needed = false;
+		    tdp_mmu_iter_cond_resched(kvm, &iter, flush)) {
+			flush = false;
 			continue;
 		}
 
@@ -699,11 +700,11 @@
 			continue;
 
 		tdp_mmu_set_spte(kvm, &iter, 0);
-		flush_needed = true;
+		flush = true;
 	}
 
 	rcu_read_unlock();
-	return flush_needed;
+	return flush;
 }
 
 /*
@@ -712,13 +713,14 @@
  * SPTEs have been cleared and a TLB flush is needed before releasing the
  * MMU lock.
  */
-bool kvm_tdp_mmu_zap_gfn_range(struct kvm *kvm, gfn_t start, gfn_t end)
+bool __kvm_tdp_mmu_zap_gfn_range(struct kvm *kvm, gfn_t start, gfn_t end,
+				 bool can_yield)
 {
 	struct kvm_mmu_page *root;
 	bool flush = false;
 
 	for_each_tdp_mmu_root_yield_safe(kvm, root)
-		flush |= zap_gfn_range(kvm, root, start, end, true);
+		flush = zap_gfn_range(kvm, root, start, end, can_yield, flush);
 
 	return flush;
 }
@@ -930,7 +932,7 @@
 				     struct kvm_mmu_page *root, gfn_t start,
 				     gfn_t end, unsigned long unused)
 {
-	return zap_gfn_range(kvm, root, start, end, false);
+	return zap_gfn_range(kvm, root, start, end, false, false);
 }
 
 int kvm_tdp_mmu_zap_hva_range(struct kvm *kvm, unsigned long start,
diff --git a/arch/x86/kvm/mmu/tdp_mmu.h b/arch/x86/kvm/mmu/tdp_mmu.h
index 3b761c1..31096ec 100644
--- a/arch/x86/kvm/mmu/tdp_mmu.h
+++ b/arch/x86/kvm/mmu/tdp_mmu.h
@@ -8,7 +8,29 @@
 hpa_t kvm_tdp_mmu_get_vcpu_root_hpa(struct kvm_vcpu *vcpu);
 void kvm_tdp_mmu_free_root(struct kvm *kvm, struct kvm_mmu_page *root);
 
-bool kvm_tdp_mmu_zap_gfn_range(struct kvm *kvm, gfn_t start, gfn_t end);
+bool __kvm_tdp_mmu_zap_gfn_range(struct kvm *kvm, gfn_t start, gfn_t end,
+				 bool can_yield);
+static inline bool kvm_tdp_mmu_zap_gfn_range(struct kvm *kvm, gfn_t start,
+					     gfn_t end)
+{
+	return __kvm_tdp_mmu_zap_gfn_range(kvm, start, end, true);
+}
+static inline bool kvm_tdp_mmu_zap_sp(struct kvm *kvm, struct kvm_mmu_page *sp)
+{
+	gfn_t end = sp->gfn + KVM_PAGES_PER_HPAGE(sp->role.level);
+
+	/*
+	 * Don't allow yielding, as the caller may have a flush pending.  Note,
+	 * if mmu_lock is held for write, zapping will never yield in this case,
+	 * but explicitly disallow it for safety.  The TDP MMU does not yield
+	 * until it has made forward progress (steps sideways), and when zapping
+	 * a single shadow page that it's guaranteed to see (thus the mmu_lock
+	 * requirement), its "step sideways" will always step beyond the bounds
+	 * of the shadow page's gfn range and stop iterating before yielding.
+	 */
+	lockdep_assert_held_write(&kvm->mmu_lock);
+	return __kvm_tdp_mmu_zap_gfn_range(kvm, sp->gfn, end, false);
+}
 void kvm_tdp_mmu_zap_all(struct kvm *kvm);
 
 int kvm_tdp_mmu_map(struct kvm_vcpu *vcpu, gpa_t gpa, u32 error_code,
diff --git a/arch/x86/kvm/svm/nested.c b/arch/x86/kvm/svm/nested.c
index 35891d9..fb204ea 100644
--- a/arch/x86/kvm/svm/nested.c
+++ b/arch/x86/kvm/svm/nested.c
@@ -246,11 +246,18 @@
 	return true;
 }
 
-static bool nested_vmcb_checks(struct vcpu_svm *svm, struct vmcb *vmcb12)
+static bool nested_vmcb_check_save(struct vcpu_svm *svm, struct vmcb *vmcb12)
 {
 	struct kvm_vcpu *vcpu = &svm->vcpu;
 	bool vmcb12_lma;
 
+	/*
+	 * FIXME: these should be done after copying the fields,
+	 * to avoid TOC/TOU races.  For these save area checks
+	 * the possible damage is limited since kvm_set_cr0 and
+	 * kvm_set_cr4 handle failure; EFER_SVME is an exception
+	 * so it is force-set later in nested_prepare_vmcb_save.
+	 */
 	if ((vmcb12->save.efer & EFER_SVME) == 0)
 		return false;
 
@@ -271,7 +278,7 @@
 	if (!kvm_is_valid_cr4(&svm->vcpu, vmcb12->save.cr4))
 		return false;
 
-	return nested_vmcb_check_controls(&vmcb12->control);
+	return true;
 }
 
 static void load_nested_vmcb_control(struct vcpu_svm *svm,
@@ -396,7 +403,14 @@
 	svm->vmcb->save.gdtr = vmcb12->save.gdtr;
 	svm->vmcb->save.idtr = vmcb12->save.idtr;
 	kvm_set_rflags(&svm->vcpu, vmcb12->save.rflags | X86_EFLAGS_FIXED);
-	svm_set_efer(&svm->vcpu, vmcb12->save.efer);
+
+	/*
+	 * Force-set EFER_SVME even though it is checked earlier on the
+	 * VMCB12, because the guest can flip the bit between the check
+	 * and now.  Clearing EFER_SVME would call svm_free_nested.
+	 */
+	svm_set_efer(&svm->vcpu, vmcb12->save.efer | EFER_SVME);
+
 	svm_set_cr0(&svm->vcpu, vmcb12->save.cr0);
 	svm_set_cr4(&svm->vcpu, vmcb12->save.cr4);
 	svm->vmcb->save.cr2 = svm->vcpu.arch.cr2 = vmcb12->save.cr2;
@@ -468,7 +482,6 @@
 
 
 	svm->nested.vmcb12_gpa = vmcb12_gpa;
-	load_nested_vmcb_control(svm, &vmcb12->control);
 	nested_prepare_vmcb_control(svm);
 	nested_prepare_vmcb_save(svm, vmcb12);
 
@@ -515,7 +528,10 @@
 	if (WARN_ON_ONCE(!svm->nested.initialized))
 		return -EINVAL;
 
-	if (!nested_vmcb_checks(svm, vmcb12)) {
+	load_nested_vmcb_control(svm, &vmcb12->control);
+
+	if (!nested_vmcb_check_save(svm, vmcb12) ||
+	    !nested_vmcb_check_controls(&svm->nested.ctl)) {
 		vmcb12->control.exit_code    = SVM_EXIT_ERR;
 		vmcb12->control.exit_code_hi = 0;
 		vmcb12->control.exit_info_1  = 0;
@@ -1209,6 +1225,8 @@
 	 */
 	if (!(save->cr0 & X86_CR0_PG))
 		goto out_free;
+	if (!(save->efer & EFER_SVME))
+		goto out_free;
 
 	/*
 	 * All checks done, we can enter guest mode.  L1 control fields
diff --git a/arch/x86/kvm/svm/pmu.c b/arch/x86/kvm/svm/pmu.c
index 035da07..fdf587f 100644
--- a/arch/x86/kvm/svm/pmu.c
+++ b/arch/x86/kvm/svm/pmu.c
@@ -98,6 +98,8 @@
 static inline struct kvm_pmc *get_gp_pmc_amd(struct kvm_pmu *pmu, u32 msr,
 					     enum pmu_type type)
 {
+	struct kvm_vcpu *vcpu = pmu_to_vcpu(pmu);
+
 	switch (msr) {
 	case MSR_F15H_PERF_CTL0:
 	case MSR_F15H_PERF_CTL1:
@@ -105,6 +107,9 @@
 	case MSR_F15H_PERF_CTL3:
 	case MSR_F15H_PERF_CTL4:
 	case MSR_F15H_PERF_CTL5:
+		if (!guest_cpuid_has(vcpu, X86_FEATURE_PERFCTR_CORE))
+			return NULL;
+		fallthrough;
 	case MSR_K7_EVNTSEL0 ... MSR_K7_EVNTSEL3:
 		if (type != PMU_TYPE_EVNTSEL)
 			return NULL;
@@ -115,6 +120,9 @@
 	case MSR_F15H_PERF_CTR3:
 	case MSR_F15H_PERF_CTR4:
 	case MSR_F15H_PERF_CTR5:
+		if (!guest_cpuid_has(vcpu, X86_FEATURE_PERFCTR_CORE))
+			return NULL;
+		fallthrough;
 	case MSR_K7_PERFCTR0 ... MSR_K7_PERFCTR3:
 		if (type != PMU_TYPE_COUNTER)
 			return NULL;
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index fe806e8..eca6362 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -271,8 +271,7 @@
  * When called, it means the previous get/set msr reached an invalid msr.
  * Return true if we want to ignore/silent this failed msr access.
  */
-static bool kvm_msr_ignored_check(struct kvm_vcpu *vcpu, u32 msr,
-				  u64 data, bool write)
+static bool kvm_msr_ignored_check(u32 msr, u64 data, bool write)
 {
 	const char *op = write ? "wrmsr" : "rdmsr";
 
@@ -1445,7 +1444,7 @@
 	if (r == KVM_MSR_RET_INVALID) {
 		/* Unconditionally clear the output for simplicity */
 		*data = 0;
-		if (kvm_msr_ignored_check(vcpu, index, 0, false))
+		if (kvm_msr_ignored_check(index, 0, false))
 			r = 0;
 	}
 
@@ -1620,7 +1619,7 @@
 	int ret = __kvm_set_msr(vcpu, index, data, host_initiated);
 
 	if (ret == KVM_MSR_RET_INVALID)
-		if (kvm_msr_ignored_check(vcpu, index, data, true))
+		if (kvm_msr_ignored_check(index, data, true))
 			ret = 0;
 
 	return ret;
@@ -1658,7 +1657,7 @@
 	if (ret == KVM_MSR_RET_INVALID) {
 		/* Unconditionally clear *data for simplicity */
 		*data = 0;
-		if (kvm_msr_ignored_check(vcpu, index, 0, false))
+		if (kvm_msr_ignored_check(index, 0, false))
 			ret = 0;
 	}
 
@@ -2329,7 +2328,7 @@
 	kvm_vcpu_write_tsc_offset(vcpu, offset);
 	raw_spin_unlock_irqrestore(&kvm->arch.tsc_write_lock, flags);
 
-	spin_lock(&kvm->arch.pvclock_gtod_sync_lock);
+	spin_lock_irqsave(&kvm->arch.pvclock_gtod_sync_lock, flags);
 	if (!matched) {
 		kvm->arch.nr_vcpus_matched_tsc = 0;
 	} else if (!already_matched) {
@@ -2337,7 +2336,7 @@
 	}
 
 	kvm_track_tsc_matching(vcpu);
-	spin_unlock(&kvm->arch.pvclock_gtod_sync_lock);
+	spin_unlock_irqrestore(&kvm->arch.pvclock_gtod_sync_lock, flags);
 }
 
 static inline void adjust_tsc_offset_guest(struct kvm_vcpu *vcpu,
@@ -2559,13 +2558,16 @@
 	int i;
 	struct kvm_vcpu *vcpu;
 	struct kvm_arch *ka = &kvm->arch;
+	unsigned long flags;
 
 	kvm_hv_invalidate_tsc_page(kvm);
 
-	spin_lock(&ka->pvclock_gtod_sync_lock);
 	kvm_make_mclock_inprogress_request(kvm);
+
 	/* no guest entries from this point */
+	spin_lock_irqsave(&ka->pvclock_gtod_sync_lock, flags);
 	pvclock_update_vm_gtod_copy(kvm);
+	spin_unlock_irqrestore(&ka->pvclock_gtod_sync_lock, flags);
 
 	kvm_for_each_vcpu(i, vcpu, kvm)
 		kvm_make_request(KVM_REQ_CLOCK_UPDATE, vcpu);
@@ -2573,8 +2575,6 @@
 	/* guest entries allowed */
 	kvm_for_each_vcpu(i, vcpu, kvm)
 		kvm_clear_request(KVM_REQ_MCLOCK_INPROGRESS, vcpu);
-
-	spin_unlock(&ka->pvclock_gtod_sync_lock);
 #endif
 }
 
@@ -2582,17 +2582,18 @@
 {
 	struct kvm_arch *ka = &kvm->arch;
 	struct pvclock_vcpu_time_info hv_clock;
+	unsigned long flags;
 	u64 ret;
 
-	spin_lock(&ka->pvclock_gtod_sync_lock);
+	spin_lock_irqsave(&ka->pvclock_gtod_sync_lock, flags);
 	if (!ka->use_master_clock) {
-		spin_unlock(&ka->pvclock_gtod_sync_lock);
+		spin_unlock_irqrestore(&ka->pvclock_gtod_sync_lock, flags);
 		return get_kvmclock_base_ns() + ka->kvmclock_offset;
 	}
 
 	hv_clock.tsc_timestamp = ka->master_cycle_now;
 	hv_clock.system_time = ka->master_kernel_ns + ka->kvmclock_offset;
-	spin_unlock(&ka->pvclock_gtod_sync_lock);
+	spin_unlock_irqrestore(&ka->pvclock_gtod_sync_lock, flags);
 
 	/* both __this_cpu_read() and rdtsc() should be on the same cpu */
 	get_cpu();
@@ -2686,13 +2687,13 @@
 	 * If the host uses TSC clock, then passthrough TSC as stable
 	 * to the guest.
 	 */
-	spin_lock(&ka->pvclock_gtod_sync_lock);
+	spin_lock_irqsave(&ka->pvclock_gtod_sync_lock, flags);
 	use_master_clock = ka->use_master_clock;
 	if (use_master_clock) {
 		host_tsc = ka->master_cycle_now;
 		kernel_ns = ka->master_kernel_ns;
 	}
-	spin_unlock(&ka->pvclock_gtod_sync_lock);
+	spin_unlock_irqrestore(&ka->pvclock_gtod_sync_lock, flags);
 
 	/* Keep irq disabled to prevent changes to the clock */
 	local_irq_save(flags);
@@ -5726,6 +5727,7 @@
 	}
 #endif
 	case KVM_SET_CLOCK: {
+		struct kvm_arch *ka = &kvm->arch;
 		struct kvm_clock_data user_ns;
 		u64 now_ns;
 
@@ -5744,8 +5746,22 @@
 		 * pvclock_update_vm_gtod_copy().
 		 */
 		kvm_gen_update_masterclock(kvm);
-		now_ns = get_kvmclock_ns(kvm);
-		kvm->arch.kvmclock_offset += user_ns.clock - now_ns;
+
+		/*
+		 * This pairs with kvm_guest_time_update(): when masterclock is
+		 * in use, we use master_kernel_ns + kvmclock_offset to set
+		 * unsigned 'system_time' so if we use get_kvmclock_ns() (which
+		 * is slightly ahead) here we risk going negative on unsigned
+		 * 'system_time' when 'user_ns.clock' is very small.
+		 */
+		spin_lock_irq(&ka->pvclock_gtod_sync_lock);
+		if (kvm->arch.use_master_clock)
+			now_ns = ka->master_kernel_ns;
+		else
+			now_ns = get_kvmclock_base_ns();
+		ka->kvmclock_offset = user_ns.clock - now_ns;
+		spin_unlock_irq(&ka->pvclock_gtod_sync_lock);
+
 		kvm_make_all_cpus_request(kvm, KVM_REQ_CLOCK_UPDATE);
 		break;
 	}
@@ -7724,6 +7740,7 @@
 	struct kvm *kvm;
 	struct kvm_vcpu *vcpu;
 	int cpu;
+	unsigned long flags;
 
 	mutex_lock(&kvm_lock);
 	list_for_each_entry(kvm, &vm_list, vm_list)
@@ -7739,17 +7756,15 @@
 	list_for_each_entry(kvm, &vm_list, vm_list) {
 		struct kvm_arch *ka = &kvm->arch;
 
-		spin_lock(&ka->pvclock_gtod_sync_lock);
-
+		spin_lock_irqsave(&ka->pvclock_gtod_sync_lock, flags);
 		pvclock_update_vm_gtod_copy(kvm);
+		spin_unlock_irqrestore(&ka->pvclock_gtod_sync_lock, flags);
 
 		kvm_for_each_vcpu(cpu, vcpu, kvm)
 			kvm_make_request(KVM_REQ_CLOCK_UPDATE, vcpu);
 
 		kvm_for_each_vcpu(cpu, vcpu, kvm)
 			kvm_clear_request(KVM_REQ_MCLOCK_INPROGRESS, vcpu);
-
-		spin_unlock(&ka->pvclock_gtod_sync_lock);
 	}
 	mutex_unlock(&kvm_lock);
 }
diff --git a/arch/x86/kvm/x86.h b/arch/x86/kvm/x86.h
index 39eb048..9035e34a 100644
--- a/arch/x86/kvm/x86.h
+++ b/arch/x86/kvm/x86.h
@@ -250,7 +250,6 @@
 void kvm_write_wall_clock(struct kvm *kvm, gpa_t wall_clock, int sec_hi_ofs);
 void kvm_inject_realmode_interrupt(struct kvm_vcpu *vcpu, int irq, int inc_eip);
 
-void kvm_write_tsc(struct kvm_vcpu *vcpu, struct msr_data *msr);
 u64 get_kvmclock_ns(struct kvm *kvm);
 
 int kvm_read_guest_virt(struct kvm_vcpu *vcpu,
diff --git a/arch/xtensa/kernel/coprocessor.S b/arch/xtensa/kernel/coprocessor.S
index c426b84..45cc0ae 100644
--- a/arch/xtensa/kernel/coprocessor.S
+++ b/arch/xtensa/kernel/coprocessor.S
@@ -100,37 +100,6 @@
 	LOAD_CP_REGS_TAB(7)
 
 /*
- * coprocessor_flush(struct thread_info*, index)
- *                             a2        a3
- *
- * Save coprocessor registers for coprocessor 'index'.
- * The register values are saved to or loaded from the coprocessor area 
- * inside the task_info structure.
- *
- * Note that this function doesn't update the coprocessor_owner information!
- *
- */
-
-ENTRY(coprocessor_flush)
-
-	/* reserve 4 bytes on stack to save a0 */
-	abi_entry(4)
-
-	s32i	a0, a1, 0
-	movi	a0, .Lsave_cp_regs_jump_table
-	addx8	a3, a3, a0
-	l32i	a4, a3, 4
-	l32i	a3, a3, 0
-	add	a2, a2, a4
-	beqz	a3, 1f
-	callx0	a3
-1:	l32i	a0, a1, 0
-
-	abi_ret(4)
-
-ENDPROC(coprocessor_flush)
-
-/*
  * Entry condition:
  *
  *   a0:	trashed, original value saved on stack (PT_AREG0)
@@ -245,6 +214,39 @@
 
 ENDPROC(fast_coprocessor)
 
+	.text
+
+/*
+ * coprocessor_flush(struct thread_info*, index)
+ *                             a2        a3
+ *
+ * Save coprocessor registers for coprocessor 'index'.
+ * The register values are saved to or loaded from the coprocessor area
+ * inside the task_info structure.
+ *
+ * Note that this function doesn't update the coprocessor_owner information!
+ *
+ */
+
+ENTRY(coprocessor_flush)
+
+	/* reserve 4 bytes on stack to save a0 */
+	abi_entry(4)
+
+	s32i	a0, a1, 0
+	movi	a0, .Lsave_cp_regs_jump_table
+	addx8	a3, a3, a0
+	l32i	a4, a3, 4
+	l32i	a3, a3, 0
+	add	a2, a2, a4
+	beqz	a3, 1f
+	callx0	a3
+1:	l32i	a0, a1, 0
+
+	abi_ret(4)
+
+ENDPROC(coprocessor_flush)
+
 	.data
 
 ENTRY(coprocessor_owner)
diff --git a/arch/xtensa/mm/fault.c b/arch/xtensa/mm/fault.c
index 7666408..95a7489 100644
--- a/arch/xtensa/mm/fault.c
+++ b/arch/xtensa/mm/fault.c
@@ -112,8 +112,11 @@
 	 */
 	fault = handle_mm_fault(vma, address, flags, regs);
 
-	if (fault_signal_pending(fault, regs))
+	if (fault_signal_pending(fault, regs)) {
+		if (!user_mode(regs))
+			goto bad_page_fault;
 		return;
+	}
 
 	if (unlikely(fault & VM_FAULT_ERROR)) {
 		if (fault & VM_FAULT_OOM)
diff --git a/block/bio.c b/block/bio.c
index 963d1d4..50e5790 100644
--- a/block/bio.c
+++ b/block/bio.c
@@ -277,7 +277,7 @@
 {
 	struct bio *parent = bio->bi_private;
 
-	if (!parent->bi_status)
+	if (bio->bi_status && !parent->bi_status)
 		parent->bi_status = bio->bi_status;
 	bio_put(bio);
 	return parent;
diff --git a/block/blk-mq-debugfs.c b/block/blk-mq-debugfs.c
index 9ebb344..271f659 100644
--- a/block/blk-mq-debugfs.c
+++ b/block/blk-mq-debugfs.c
@@ -302,7 +302,6 @@
 	RQF_NAME(QUIET),
 	RQF_NAME(ELVPRIV),
 	RQF_NAME(IO_STAT),
-	RQF_NAME(ALLOCED),
 	RQF_NAME(PM),
 	RQF_NAME(HASHED),
 	RQF_NAME(STATS),
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index d93e400..768a6b4 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -29,6 +29,7 @@
  */
 #ifdef CONFIG_X86
 #include <asm/apic.h>
+#include <asm/cpu.h>
 #endif
 
 #define _COMPONENT              ACPI_PROCESSOR_COMPONENT
@@ -541,6 +542,12 @@
 			wait_for_freeze();
 		} else
 			return -ENODEV;
+
+#if defined(CONFIG_X86) && defined(CONFIG_HOTPLUG_CPU)
+		/* If NMI wants to wake up CPU0, start CPU0. */
+		if (wakeup_cpu0())
+			start_cpu0();
+#endif
 	}
 
 	/* Never reached */
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index 84bb7c1..6efe7ed 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -1670,6 +1670,8 @@
 	device_initialize(&device->dev);
 	dev_set_uevent_suppress(&device->dev, true);
 	acpi_init_coherency(device);
+	/* Assume there are unmet deps to start with. */
+	device->dep_unmet = 1;
 }
 
 void acpi_device_add_finalize(struct acpi_device *device)
@@ -1933,6 +1935,8 @@
 {
 	struct acpi_dep_data *dep;
 
+	adev->dep_unmet = 0;
+
 	mutex_lock(&acpi_dep_list_lock);
 
 	list_for_each_entry(dep, &acpi_dep_list, node) {
@@ -1980,7 +1984,13 @@
 		return AE_CTRL_DEPTH;
 
 	acpi_scan_init_hotplug(device);
-	if (!check_dep)
+	/*
+	 * If check_dep is true at this point, the device has no dependencies,
+	 * or the creation of the device object would have been postponed above.
+	 */
+	if (check_dep)
+		device->dep_unmet = 0;
+	else
 		acpi_scan_dep_init(device);
 
 out:
diff --git a/drivers/acpi/tables.c b/drivers/acpi/tables.c
index e48690a..9d58104 100644
--- a/drivers/acpi/tables.c
+++ b/drivers/acpi/tables.c
@@ -780,7 +780,7 @@
 }
 
 /*
- * acpi_table_init()
+ * acpi_locate_initial_tables()
  *
  * find RSDP, find and checksum SDT/XSDT.
  * checksum all tables, print SDT/XSDT
@@ -788,7 +788,7 @@
  * result: sdt_entry[] is initialized
  */
 
-int __init acpi_table_init(void)
+int __init acpi_locate_initial_tables(void)
 {
 	acpi_status status;
 
@@ -803,9 +803,45 @@
 	status = acpi_initialize_tables(initial_tables, ACPI_MAX_TABLES, 0);
 	if (ACPI_FAILURE(status))
 		return -EINVAL;
-	acpi_table_initrd_scan();
 
+	return 0;
+}
+
+void __init acpi_reserve_initial_tables(void)
+{
+	int i;
+
+	for (i = 0; i < ACPI_MAX_TABLES; i++) {
+		struct acpi_table_desc *table_desc = &initial_tables[i];
+		u64 start = table_desc->address;
+		u64 size = table_desc->length;
+
+		if (!start || !size)
+			break;
+
+		pr_info("Reserving %4s table memory at [mem 0x%llx-0x%llx]\n",
+			table_desc->signature.ascii, start, start + size - 1);
+
+		memblock_reserve(start, size);
+	}
+}
+
+void __init acpi_table_init_complete(void)
+{
+	acpi_table_initrd_scan();
 	check_multiple_madt();
+}
+
+int __init acpi_table_init(void)
+{
+	int ret;
+
+	ret = acpi_locate_initial_tables();
+	if (ret)
+		return ret;
+
+	acpi_table_init_complete();
+
 	return 0;
 }
 
diff --git a/drivers/base/dd.c b/drivers/base/dd.c
index 9179825f..e2cf3b2 100644
--- a/drivers/base/dd.c
+++ b/drivers/base/dd.c
@@ -97,6 +97,9 @@
 
 		get_device(dev);
 
+		kfree(dev->p->deferred_probe_reason);
+		dev->p->deferred_probe_reason = NULL;
+
 		/*
 		 * Drop the mutex while probing each device; the probe path may
 		 * manipulate the deferred list
diff --git a/drivers/base/power/runtime.c b/drivers/base/power/runtime.c
index d54e540..fe1dad6 100644
--- a/drivers/base/power/runtime.c
+++ b/drivers/base/power/runtime.c
@@ -1690,8 +1690,8 @@
 				device_links_read_lock_held())
 		if (link->flags & DL_FLAG_PM_RUNTIME) {
 			link->supplier_preactivated = true;
-			refcount_inc(&link->rpm_active);
 			pm_runtime_get_sync(link->supplier);
+			refcount_inc(&link->rpm_active);
 		}
 
 	device_links_read_unlock(idx);
@@ -1704,6 +1704,8 @@
 void pm_runtime_put_suppliers(struct device *dev)
 {
 	struct device_link *link;
+	unsigned long flags;
+	bool put;
 	int idx;
 
 	idx = device_links_read_lock();
@@ -1712,7 +1714,11 @@
 				device_links_read_lock_held())
 		if (link->supplier_preactivated) {
 			link->supplier_preactivated = false;
-			if (refcount_dec_not_one(&link->rpm_active))
+			spin_lock_irqsave(&dev->power.lock, flags);
+			put = pm_runtime_status_suspended(dev) &&
+			      refcount_dec_not_one(&link->rpm_active);
+			spin_unlock_irqrestore(&dev->power.lock, flags);
+			if (put)
 				pm_runtime_put(link->supplier);
 		}
 
diff --git a/drivers/block/null_blk/main.c b/drivers/block/null_blk/main.c
index d6c821d..51bfd77 100644
--- a/drivers/block/null_blk/main.c
+++ b/drivers/block/null_blk/main.c
@@ -1369,10 +1369,13 @@
 	}
 
 	if (dev->zoned)
-		cmd->error = null_process_zoned_cmd(cmd, op,
-						    sector, nr_sectors);
+		sts = null_process_zoned_cmd(cmd, op, sector, nr_sectors);
 	else
-		cmd->error = null_process_cmd(cmd, op, sector, nr_sectors);
+		sts = null_process_cmd(cmd, op, sector, nr_sectors);
+
+	/* Do not overwrite errors (e.g. timeout errors) */
+	if (cmd->error == BLK_STS_OK)
+		cmd->error = sts;
 
 out:
 	nullb_complete_cmd(cmd);
@@ -1451,8 +1454,20 @@
 
 static enum blk_eh_timer_return null_timeout_rq(struct request *rq, bool res)
 {
+	struct nullb_cmd *cmd = blk_mq_rq_to_pdu(rq);
+
 	pr_info("rq %p timed out\n", rq);
-	blk_mq_complete_request(rq);
+
+	/*
+	 * If the device is marked as blocking (i.e. memory backed or zoned
+	 * device), the submission path may be blocked waiting for resources
+	 * and cause real timeouts. For these real timeouts, the submission
+	 * path will complete the request using blk_mq_complete_request().
+	 * Only fake timeouts need to execute blk_mq_complete_request() here.
+	 */
+	cmd->error = BLK_STS_TIMEOUT;
+	if (cmd->fake_timeout)
+		blk_mq_complete_request(rq);
 	return BLK_EH_DONE;
 }
 
@@ -1473,6 +1488,7 @@
 	cmd->rq = bd->rq;
 	cmd->error = BLK_STS_OK;
 	cmd->nq = nq;
+	cmd->fake_timeout = should_timeout_request(bd->rq);
 
 	blk_mq_start_request(bd->rq);
 
@@ -1489,7 +1505,7 @@
 			return BLK_STS_OK;
 		}
 	}
-	if (should_timeout_request(bd->rq))
+	if (cmd->fake_timeout)
 		return BLK_STS_OK;
 
 	return null_handle_cmd(cmd, sector, nr_sectors, req_op(bd->rq));
diff --git a/drivers/block/null_blk/null_blk.h b/drivers/block/null_blk/null_blk.h
index 83504f3..4876d5a 100644
--- a/drivers/block/null_blk/null_blk.h
+++ b/drivers/block/null_blk/null_blk.h
@@ -22,6 +22,7 @@
 	blk_status_t error;
 	struct nullb_queue *nq;
 	struct hrtimer timer;
+	bool fake_timeout;
 };
 
 struct nullb_queue {
diff --git a/drivers/block/xen-blkback/blkback.c b/drivers/block/xen-blkback/blkback.c
index 1cdf09f..14e4528 100644
--- a/drivers/block/xen-blkback/blkback.c
+++ b/drivers/block/xen-blkback/blkback.c
@@ -891,7 +891,7 @@
 out:
 	for (i = last_map; i < num; i++) {
 		/* Don't zap current batch's valid persistent grants. */
-		if(i >= last_map + segs_to_map)
+		if(i >= map_until)
 			pages[i]->persistent_gnt = NULL;
 		pages[i]->handle = BLKBACK_INVALID_HANDLE;
 	}
diff --git a/drivers/char/agp/Kconfig b/drivers/char/agp/Kconfig
index a086dd34..4f501e4 100644
--- a/drivers/char/agp/Kconfig
+++ b/drivers/char/agp/Kconfig
@@ -125,7 +125,7 @@
 
 config AGP_PARISC
 	tristate "HP Quicksilver AGP support"
-	depends on AGP && PARISC && 64BIT
+	depends on AGP && PARISC && 64BIT && IOMMU_SBA
 	help
 	  This option gives you AGP GART support for the HP Quicksilver
 	  AGP bus adapter on HP PA-RISC machines (Ok, just on the C8000
diff --git a/drivers/cpufreq/freq_table.c b/drivers/cpufreq/freq_table.c
index d3f756f..67e56cf 100644
--- a/drivers/cpufreq/freq_table.c
+++ b/drivers/cpufreq/freq_table.c
@@ -267,7 +267,7 @@
 __ATTR_RO(_name##_frequencies)
 
 /*
- * show_scaling_available_frequencies - show available normal frequencies for
+ * scaling_available_frequencies_show - show available normal frequencies for
  * the specified CPU
  */
 static ssize_t scaling_available_frequencies_show(struct cpufreq_policy *policy,
@@ -279,7 +279,7 @@
 EXPORT_SYMBOL_GPL(cpufreq_freq_attr_scaling_available_freqs);
 
 /*
- * show_available_boost_freqs - show available boost frequencies for
+ * scaling_boost_frequencies_show - show available boost frequencies for
  * the specified CPU
  */
 static ssize_t scaling_boost_frequencies_show(struct cpufreq_policy *policy,
diff --git a/drivers/extcon/extcon.c b/drivers/extcon/extcon.c
index 0a6438c..e7a9561 100644
--- a/drivers/extcon/extcon.c
+++ b/drivers/extcon/extcon.c
@@ -1241,6 +1241,7 @@
 				sizeof(*edev->nh), GFP_KERNEL);
 	if (!edev->nh) {
 		ret = -ENOMEM;
+		device_unregister(&edev->dev);
 		goto err_dev;
 	}
 
diff --git a/drivers/firewire/nosy.c b/drivers/firewire/nosy.c
index 5fd6a60..88ed971 100644
--- a/drivers/firewire/nosy.c
+++ b/drivers/firewire/nosy.c
@@ -346,6 +346,7 @@
 	struct client *client = file->private_data;
 	spinlock_t *client_list_lock = &client->lynx->client_list_lock;
 	struct nosy_stats stats;
+	int ret;
 
 	switch (cmd) {
 	case NOSY_IOC_GET_STATS:
@@ -360,11 +361,15 @@
 			return 0;
 
 	case NOSY_IOC_START:
+		ret = -EBUSY;
 		spin_lock_irq(client_list_lock);
-		list_add_tail(&client->link, &client->lynx->client_list);
+		if (list_empty(&client->link)) {
+			list_add_tail(&client->link, &client->lynx->client_list);
+			ret = 0;
+		}
 		spin_unlock_irq(client_list_lock);
 
-		return 0;
+		return ret;
 
 	case NOSY_IOC_STOP:
 		spin_lock_irq(client_list_lock);
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
index 64beb33..a4e2cf7 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
@@ -778,9 +778,9 @@
 			dev_info->high_va_offset = AMDGPU_GMC_HOLE_END;
 			dev_info->high_va_max = AMDGPU_GMC_HOLE_END | vm_size;
 		}
-		dev_info->virtual_address_alignment = max((int)PAGE_SIZE, AMDGPU_GPU_PAGE_SIZE);
+		dev_info->virtual_address_alignment = max_t(u32, PAGE_SIZE, AMDGPU_GPU_PAGE_SIZE);
 		dev_info->pte_fragment_size = (1 << adev->vm_manager.fragment_size) * AMDGPU_GPU_PAGE_SIZE;
-		dev_info->gart_page_size = AMDGPU_GPU_PAGE_SIZE;
+		dev_info->gart_page_size = max_t(u32, PAGE_SIZE, AMDGPU_GPU_PAGE_SIZE);
 		dev_info->cu_active_number = adev->gfx.cu_info.number;
 		dev_info->cu_ao_mask = adev->gfx.cu_info.ao_cu_mask;
 		dev_info->ce_ram_size = adev->gfx.ce_ram_size;
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
index ad91c0c..7d2c8b1 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
@@ -2197,8 +2197,8 @@
 	uint64_t eaddr;
 
 	/* validate the parameters */
-	if (saddr & AMDGPU_GPU_PAGE_MASK || offset & AMDGPU_GPU_PAGE_MASK ||
-	    size == 0 || size & AMDGPU_GPU_PAGE_MASK)
+	if (saddr & ~PAGE_MASK || offset & ~PAGE_MASK ||
+	    size == 0 || size & ~PAGE_MASK)
 		return -EINVAL;
 
 	/* make sure object fit at this offset */
@@ -2263,8 +2263,8 @@
 	int r;
 
 	/* validate the parameters */
-	if (saddr & AMDGPU_GPU_PAGE_MASK || offset & AMDGPU_GPU_PAGE_MASK ||
-	    size == 0 || size & AMDGPU_GPU_PAGE_MASK)
+	if (saddr & ~PAGE_MASK || offset & ~PAGE_MASK ||
+	    size == 0 || size & ~PAGE_MASK)
 		return -EINVAL;
 
 	/* make sure object fit at this offset */
@@ -2409,7 +2409,7 @@
 			after->start = eaddr + 1;
 			after->last = tmp->last;
 			after->offset = tmp->offset;
-			after->offset += after->start - tmp->start;
+			after->offset += (after->start - tmp->start) << PAGE_SHIFT;
 			after->flags = tmp->flags;
 			after->bo_va = tmp->bo_va;
 			list_add(&after->list, &tmp->bo_va->invalids);
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_dbgdev.c b/drivers/gpu/drm/amd/amdkfd/kfd_dbgdev.c
index b258a3d..159add0f 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_dbgdev.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_dbgdev.c
@@ -155,7 +155,7 @@
 
 	/* Wait till CP writes sync code: */
 	status = amdkfd_fence_wait_timeout(
-			(unsigned int *) rm_state,
+			rm_state,
 			QUEUESTATE__ACTIVE, 1500);
 
 	kfd_gtt_sa_free(dbgdev->dev, mem_obj);
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
index e686ce2..4598a9a 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
@@ -1167,7 +1167,7 @@
 	if (retval)
 		goto fail_allocate_vidmem;
 
-	dqm->fence_addr = dqm->fence_mem->cpu_ptr;
+	dqm->fence_addr = (uint64_t *)dqm->fence_mem->cpu_ptr;
 	dqm->fence_gpu_addr = dqm->fence_mem->gpu_addr;
 
 	init_interrupts(dqm);
@@ -1340,8 +1340,8 @@
 	return retval;
 }
 
-int amdkfd_fence_wait_timeout(unsigned int *fence_addr,
-				unsigned int fence_value,
+int amdkfd_fence_wait_timeout(uint64_t *fence_addr,
+				uint64_t fence_value,
 				unsigned int timeout_ms)
 {
 	unsigned long end_jiffies = msecs_to_jiffies(timeout_ms) + jiffies;
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h
index 7351dd1..45f8159 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.h
@@ -192,7 +192,7 @@
 	uint16_t		vmid_pasid[VMID_NUM];
 	uint64_t		pipelines_addr;
 	uint64_t		fence_gpu_addr;
-	unsigned int		*fence_addr;
+	uint64_t		*fence_addr;
 	struct kfd_mem_obj	*fence_mem;
 	bool			active_runlist;
 	int			sched_policy;
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c
index 5d541e0..f71a7fa 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager.c
@@ -347,7 +347,7 @@
 }
 
 int pm_send_query_status(struct packet_manager *pm, uint64_t fence_address,
-			uint32_t fence_value)
+			uint64_t fence_value)
 {
 	uint32_t *buffer, size;
 	int retval = 0;
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager_v9.c b/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager_v9.c
index dfaf771..e3ba0cd 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager_v9.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager_v9.c
@@ -283,7 +283,7 @@
 }
 
 static int pm_query_status_v9(struct packet_manager *pm, uint32_t *buffer,
-			uint64_t fence_address,	uint32_t fence_value)
+			uint64_t fence_address,	uint64_t fence_value)
 {
 	struct pm4_mes_query_status *packet;
 
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager_vi.c b/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager_vi.c
index a852e0d..08442e7 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager_vi.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_packet_manager_vi.c
@@ -263,7 +263,7 @@
 }
 
 static int pm_query_status_vi(struct packet_manager *pm, uint32_t *buffer,
-			uint64_t fence_address,	uint32_t fence_value)
+			uint64_t fence_address,	uint64_t fence_value)
 {
 	struct pm4_mes_query_status *packet;
 
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h
index 09599ef..f304d1f 100644
--- a/drivers/gpu/drm/amd/amdkfd/kfd_priv.h
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_priv.h
@@ -1003,8 +1003,8 @@
 		       u32 *ctl_stack_used_size,
 		       u32 *save_area_used_size);
 
-int amdkfd_fence_wait_timeout(unsigned int *fence_addr,
-			      unsigned int fence_value,
+int amdkfd_fence_wait_timeout(uint64_t *fence_addr,
+			      uint64_t fence_value,
 			      unsigned int timeout_ms);
 
 /* Packet Manager */
@@ -1040,7 +1040,7 @@
 			uint32_t filter_param, bool reset,
 			unsigned int sdma_engine);
 	int (*query_status)(struct packet_manager *pm, uint32_t *buffer,
-			uint64_t fence_address,	uint32_t fence_value);
+			uint64_t fence_address,	uint64_t fence_value);
 	int (*release_mem)(uint64_t gpu_addr, uint32_t *buffer);
 
 	/* Packet sizes */
@@ -1062,7 +1062,7 @@
 				struct scheduling_resources *res);
 int pm_send_runlist(struct packet_manager *pm, struct list_head *dqm_queues);
 int pm_send_query_status(struct packet_manager *pm, uint64_t fence_address,
-				uint32_t fence_value);
+				uint64_t fence_value);
 
 int pm_send_unmap_queue(struct packet_manager *pm, enum kfd_queue_type type,
 			enum kfd_unmap_queues_filter mode,
diff --git a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c
index 22b6a8e..d0ec838 100644
--- a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c
+++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_hwmgr.c
@@ -3330,7 +3330,8 @@
 
 	disable_mclk_switching_for_display = ((1 < hwmgr->display_config->num_display) &&
 						!hwmgr->display_config->multi_monitor_in_sync) ||
-						smu7_vblank_too_short(hwmgr, hwmgr->display_config->min_vblank_time);
+						(hwmgr->display_config->num_display &&
+						smu7_vblank_too_short(hwmgr, hwmgr->display_config->min_vblank_time));
 
 	disable_mclk_switching = disable_mclk_switching_for_frame_lock ||
 					 disable_mclk_switching_for_display;
diff --git a/drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c b/drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c
index 7ddbaec..101eaa2 100644
--- a/drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c
+++ b/drivers/gpu/drm/amd/pm/swsmu/smu11/vangogh_ppt.c
@@ -384,10 +384,15 @@
 
 static bool vangogh_is_dpm_running(struct smu_context *smu)
 {
+	struct amdgpu_device *adev = smu->adev;
 	int ret = 0;
 	uint32_t feature_mask[2];
 	uint64_t feature_enabled;
 
+	/* we need to re-init after suspend so return false */
+	if (adev->in_suspend)
+		return false;
+
 	ret = smu_cmn_get_enabled_32_bits_mask(smu, feature_mask, 2);
 
 	if (ret)
diff --git a/drivers/gpu/drm/exynos/exynos5433_drm_decon.c b/drivers/gpu/drm/exynos/exynos5433_drm_decon.c
index 1f79bc2..1510e4e 100644
--- a/drivers/gpu/drm/exynos/exynos5433_drm_decon.c
+++ b/drivers/gpu/drm/exynos/exynos5433_drm_decon.c
@@ -13,7 +13,6 @@
 #include <linux/irq.h>
 #include <linux/mfd/syscon.h>
 #include <linux/of_device.h>
-#include <linux/of_gpio.h>
 #include <linux/platform_device.h>
 #include <linux/pm_runtime.h>
 #include <linux/regmap.h>
diff --git a/drivers/gpu/drm/imx/imx-drm-core.c b/drivers/gpu/drm/imx/imx-drm-core.c
index d1a9841..e6a88c8 100644
--- a/drivers/gpu/drm/imx/imx-drm-core.c
+++ b/drivers/gpu/drm/imx/imx-drm-core.c
@@ -215,7 +215,7 @@
 
 	ret = drmm_mode_config_init(drm);
 	if (ret)
-		return ret;
+		goto err_kms;
 
 	ret = drm_vblank_init(drm, MAX_CRTC);
 	if (ret)
diff --git a/drivers/gpu/drm/imx/imx-ldb.c b/drivers/gpu/drm/imx/imx-ldb.c
index dbfe39e..ffdc492 100644
--- a/drivers/gpu/drm/imx/imx-ldb.c
+++ b/drivers/gpu/drm/imx/imx-ldb.c
@@ -197,6 +197,11 @@
 	int dual = ldb->ldb_ctrl & LDB_SPLIT_MODE_EN;
 	int mux = drm_of_encoder_active_port_id(imx_ldb_ch->child, encoder);
 
+	if (mux < 0 || mux >= ARRAY_SIZE(ldb->clk_sel)) {
+		dev_warn(ldb->dev, "%s: invalid mux %d\n", __func__, mux);
+		return;
+	}
+
 	drm_panel_prepare(imx_ldb_ch->panel);
 
 	if (dual) {
@@ -255,6 +260,11 @@
 	int mux = drm_of_encoder_active_port_id(imx_ldb_ch->child, encoder);
 	u32 bus_format = imx_ldb_ch->bus_format;
 
+	if (mux < 0 || mux >= ARRAY_SIZE(ldb->clk_sel)) {
+		dev_warn(ldb->dev, "%s: invalid mux %d\n", __func__, mux);
+		return;
+	}
+
 	if (mode->clock > 170000) {
 		dev_warn(ldb->dev,
 			 "%s: mode exceeds 170 MHz pixel clock\n", __func__);
@@ -583,7 +593,7 @@
 		struct imx_ldb_channel *channel = &imx_ldb->channel[i];
 
 		if (!channel->ldb)
-			break;
+			continue;
 
 		ret = imx_ldb_register(drm, channel);
 		if (ret)
diff --git a/drivers/gpu/drm/tegra/dc.c b/drivers/gpu/drm/tegra/dc.c
index 0ae3a02..134986dc 100644
--- a/drivers/gpu/drm/tegra/dc.c
+++ b/drivers/gpu/drm/tegra/dc.c
@@ -1688,6 +1688,11 @@
 			dev_err(dc->dev,
 				"failed to set clock rate to %lu Hz\n",
 				state->pclk);
+
+		err = clk_set_rate(dc->clk, state->pclk);
+		if (err < 0)
+			dev_err(dc->dev, "failed to set clock %pC to %lu Hz: %d\n",
+				dc->clk, state->pclk, err);
 	}
 
 	DRM_DEBUG_KMS("rate: %lu, div: %u\n", clk_get_rate(dc->clk),
@@ -1698,11 +1703,6 @@
 		value = SHIFT_CLK_DIVIDER(state->div) | PIXEL_CLK_DIVIDER_PCD1;
 		tegra_dc_writel(dc, value, DC_DISP_DISP_CLOCK_CONTROL);
 	}
-
-	err = clk_set_rate(dc->clk, state->pclk);
-	if (err < 0)
-		dev_err(dc->dev, "failed to set clock %pC to %lu Hz: %d\n",
-			dc->clk, state->pclk, err);
 }
 
 static void tegra_dc_stop(struct tegra_dc *dc)
@@ -2501,22 +2501,18 @@
 	 * POWER_CONTROL registers during CRTC enabling.
 	 */
 	if (dc->soc->coupled_pm && dc->pipe == 1) {
-		u32 flags = DL_FLAG_PM_RUNTIME | DL_FLAG_AUTOREMOVE_CONSUMER;
-		struct device_link *link;
-		struct device *partner;
+		struct device *companion;
+		struct tegra_dc *parent;
 
-		partner = driver_find_device(dc->dev->driver, NULL, NULL,
-					     tegra_dc_match_by_pipe);
-		if (!partner)
+		companion = driver_find_device(dc->dev->driver, NULL, (const void *)0,
+					       tegra_dc_match_by_pipe);
+		if (!companion)
 			return -EPROBE_DEFER;
 
-		link = device_link_add(dc->dev, partner, flags);
-		if (!link) {
-			dev_err(dc->dev, "failed to link controllers\n");
-			return -EINVAL;
-		}
+		parent = dev_get_drvdata(companion);
+		dc->client.parent = &parent->client;
 
-		dev_dbg(dc->dev, "coupled to %s\n", dev_name(partner));
+		dev_dbg(dc->dev, "coupled to %s\n", dev_name(companion));
 	}
 
 	return 0;
diff --git a/drivers/gpu/drm/tegra/sor.c b/drivers/gpu/drm/tegra/sor.c
index f02a035..7b88261 100644
--- a/drivers/gpu/drm/tegra/sor.c
+++ b/drivers/gpu/drm/tegra/sor.c
@@ -3115,6 +3115,12 @@
 	 * kernel is possible.
 	 */
 	if (sor->rst) {
+		err = pm_runtime_resume_and_get(sor->dev);
+		if (err < 0) {
+			dev_err(sor->dev, "failed to get runtime PM: %d\n", err);
+			return err;
+		}
+
 		err = reset_control_acquire(sor->rst);
 		if (err < 0) {
 			dev_err(sor->dev, "failed to acquire SOR reset: %d\n",
@@ -3148,6 +3154,7 @@
 		}
 
 		reset_control_release(sor->rst);
+		pm_runtime_put(sor->dev);
 	}
 
 	err = clk_prepare_enable(sor->clk_safe);
diff --git a/drivers/gpu/host1x/bus.c b/drivers/gpu/host1x/bus.c
index 347fb96..68a766f 100644
--- a/drivers/gpu/host1x/bus.c
+++ b/drivers/gpu/host1x/bus.c
@@ -705,8 +705,9 @@
 EXPORT_SYMBOL(host1x_driver_unregister);
 
 /**
- * host1x_client_register() - register a host1x client
+ * __host1x_client_register() - register a host1x client
  * @client: host1x client
+ * @key: lock class key for the client-specific mutex
  *
  * Registers a host1x client with each host1x controller instance. Note that
  * each client will only match their parent host1x controller and will only be
@@ -715,13 +716,14 @@
  * device and call host1x_device_init(), which will in turn call each client's
  * &host1x_client_ops.init implementation.
  */
-int host1x_client_register(struct host1x_client *client)
+int __host1x_client_register(struct host1x_client *client,
+			     struct lock_class_key *key)
 {
 	struct host1x *host1x;
 	int err;
 
 	INIT_LIST_HEAD(&client->list);
-	mutex_init(&client->lock);
+	__mutex_init(&client->lock, "host1x client lock", key);
 	client->usecount = 0;
 
 	mutex_lock(&devices_lock);
@@ -742,7 +744,7 @@
 
 	return 0;
 }
-EXPORT_SYMBOL(host1x_client_register);
+EXPORT_SYMBOL(__host1x_client_register);
 
 /**
  * host1x_client_unregister() - unregister a host1x client
diff --git a/drivers/interconnect/bulk.c b/drivers/interconnect/bulk.c
index 73e2c8d..448cc53 100644
--- a/drivers/interconnect/bulk.c
+++ b/drivers/interconnect/bulk.c
@@ -53,7 +53,7 @@
 EXPORT_SYMBOL_GPL(icc_bulk_put);
 
 /**
- * icc_bulk_set() - set bandwidth to a set of paths
+ * icc_bulk_set_bw() - set bandwidth to a set of paths
  * @num_paths: the number of icc_bulk_data
  * @paths: the icc_bulk_data table containing the paths and bandwidth
  *
diff --git a/drivers/interconnect/core.c b/drivers/interconnect/core.c
index 5ad519c..8a1e70e 100644
--- a/drivers/interconnect/core.c
+++ b/drivers/interconnect/core.c
@@ -942,6 +942,8 @@
 		       GFP_KERNEL);
 	if (new)
 		src->links = new;
+	else
+		ret = -ENOMEM;
 
 out:
 	mutex_unlock(&icc_lock);
diff --git a/drivers/interconnect/qcom/msm8939.c b/drivers/interconnect/qcom/msm8939.c
index dfbec30..20f31a1 100644
--- a/drivers/interconnect/qcom/msm8939.c
+++ b/drivers/interconnect/qcom/msm8939.c
@@ -131,7 +131,7 @@
 DEFINE_QNODE(mas_pcnoc_sdcc_2, MSM8939_MASTER_SDCC_2, 8, -1, -1, MSM8939_PNOC_INT_1);
 DEFINE_QNODE(mas_qdss_bam, MSM8939_MASTER_QDSS_BAM, 8, -1, -1, MSM8939_SNOC_QDSS_INT);
 DEFINE_QNODE(mas_qdss_etr, MSM8939_MASTER_QDSS_ETR, 8, -1, -1, MSM8939_SNOC_QDSS_INT);
-DEFINE_QNODE(mas_snoc_cfg, MSM8939_MASTER_SNOC_CFG, 4, 20, -1, MSM8939_SLAVE_SRVC_SNOC);
+DEFINE_QNODE(mas_snoc_cfg, MSM8939_MASTER_SNOC_CFG, 4, -1, -1, MSM8939_SLAVE_SRVC_SNOC);
 DEFINE_QNODE(mas_spdm, MSM8939_MASTER_SPDM, 4, -1, -1, MSM8939_PNOC_MAS_0);
 DEFINE_QNODE(mas_tcu0, MSM8939_MASTER_TCU0, 16, -1, -1, MSM8939_SLAVE_EBI_CH0, MSM8939_BIMC_SNOC_MAS, MSM8939_SLAVE_AMPSS_L2);
 DEFINE_QNODE(mas_usb_hs1, MSM8939_MASTER_USB_HS1, 4, -1, -1, MSM8939_PNOC_MAS_1);
@@ -156,14 +156,14 @@
 DEFINE_QNODE(pcnoc_snoc_slv, MSM8939_PNOC_SNOC_SLV, 8, -1, 45, MSM8939_SNOC_INT_0, MSM8939_SNOC_INT_BIMC, MSM8939_SNOC_INT_1);
 DEFINE_QNODE(qdss_int, MSM8939_SNOC_QDSS_INT, 8, -1, -1, MSM8939_SNOC_INT_0, MSM8939_SNOC_INT_BIMC);
 DEFINE_QNODE(slv_apps_l2, MSM8939_SLAVE_AMPSS_L2, 16, -1, -1, 0);
-DEFINE_QNODE(slv_apss, MSM8939_SLAVE_APSS, 4, -1, 20, 0);
+DEFINE_QNODE(slv_apss, MSM8939_SLAVE_APSS, 4, -1, -1, 0);
 DEFINE_QNODE(slv_audio, MSM8939_SLAVE_LPASS, 4, -1, -1, 0);
 DEFINE_QNODE(slv_bimc_cfg, MSM8939_SLAVE_BIMC_CFG, 4, -1, -1, 0);
 DEFINE_QNODE(slv_blsp_1, MSM8939_SLAVE_BLSP_1, 4, -1, -1, 0);
 DEFINE_QNODE(slv_boot_rom, MSM8939_SLAVE_BOOT_ROM, 4, -1, -1, 0);
 DEFINE_QNODE(slv_camera_cfg, MSM8939_SLAVE_CAMERA_CFG, 4, -1, -1, 0);
-DEFINE_QNODE(slv_cats_0, MSM8939_SLAVE_CATS_128, 16, -1, 106, 0);
-DEFINE_QNODE(slv_cats_1, MSM8939_SLAVE_OCMEM_64, 8, -1, 107, 0);
+DEFINE_QNODE(slv_cats_0, MSM8939_SLAVE_CATS_128, 16, -1, -1, 0);
+DEFINE_QNODE(slv_cats_1, MSM8939_SLAVE_OCMEM_64, 8, -1, -1, 0);
 DEFINE_QNODE(slv_clk_ctl, MSM8939_SLAVE_CLK_CTL, 4, -1, -1, 0);
 DEFINE_QNODE(slv_crypto_0_cfg, MSM8939_SLAVE_CRYPTO_0_CFG, 4, -1, -1, 0);
 DEFINE_QNODE(slv_dehr_cfg, MSM8939_SLAVE_DEHR_CFG, 4, -1, -1, 0);
@@ -187,20 +187,20 @@
 DEFINE_QNODE(slv_security, MSM8939_SLAVE_SECURITY, 4, -1, -1, 0);
 DEFINE_QNODE(slv_snoc_cfg, MSM8939_SLAVE_SNOC_CFG, 4, -1, -1, 0);
 DEFINE_QNODE(slv_spdm, MSM8939_SLAVE_SPDM, 4, -1, -1, 0);
-DEFINE_QNODE(slv_srvc_snoc, MSM8939_SLAVE_SRVC_SNOC, 8, -1, 29, 0);
+DEFINE_QNODE(slv_srvc_snoc, MSM8939_SLAVE_SRVC_SNOC, 8, -1, -1, 0);
 DEFINE_QNODE(slv_tcsr, MSM8939_SLAVE_TCSR, 4, -1, -1, 0);
 DEFINE_QNODE(slv_tlmm, MSM8939_SLAVE_TLMM, 4, -1, -1, 0);
 DEFINE_QNODE(slv_usb_hs1, MSM8939_SLAVE_USB_HS1, 4, -1, -1, 0);
 DEFINE_QNODE(slv_usb_hs2, MSM8939_SLAVE_USB_HS2, 4, -1, -1, 0);
 DEFINE_QNODE(slv_venus_cfg, MSM8939_SLAVE_VENUS_CFG, 4, -1, -1, 0);
-DEFINE_QNODE(snoc_bimc_0_mas, MSM8939_SNOC_BIMC_0_MAS, 16, 3, -1, MSM8939_SNOC_BIMC_0_SLV);
-DEFINE_QNODE(snoc_bimc_0_slv, MSM8939_SNOC_BIMC_0_SLV, 16, -1, 24, MSM8939_SLAVE_EBI_CH0);
+DEFINE_QNODE(snoc_bimc_0_mas, MSM8939_SNOC_BIMC_0_MAS, 16, -1, -1, MSM8939_SNOC_BIMC_0_SLV);
+DEFINE_QNODE(snoc_bimc_0_slv, MSM8939_SNOC_BIMC_0_SLV, 16, -1, -1, MSM8939_SLAVE_EBI_CH0);
 DEFINE_QNODE(snoc_bimc_1_mas, MSM8939_SNOC_BIMC_1_MAS, 16, 76, -1, MSM8939_SNOC_BIMC_1_SLV);
 DEFINE_QNODE(snoc_bimc_1_slv, MSM8939_SNOC_BIMC_1_SLV, 16, -1, 104, MSM8939_SLAVE_EBI_CH0);
 DEFINE_QNODE(snoc_bimc_2_mas, MSM8939_SNOC_BIMC_2_MAS, 16, -1, -1, MSM8939_SNOC_BIMC_2_SLV);
 DEFINE_QNODE(snoc_bimc_2_slv, MSM8939_SNOC_BIMC_2_SLV, 16, -1, -1, MSM8939_SLAVE_EBI_CH0);
 DEFINE_QNODE(snoc_int_0, MSM8939_SNOC_INT_0, 8, 99, 130, MSM8939_SLAVE_QDSS_STM, MSM8939_SLAVE_IMEM, MSM8939_SNOC_PNOC_MAS);
-DEFINE_QNODE(snoc_int_1, MSM8939_SNOC_INT_1, 8, 100, 131, MSM8939_SLAVE_APSS, MSM8939_SLAVE_CATS_128, MSM8939_SLAVE_OCMEM_64);
+DEFINE_QNODE(snoc_int_1, MSM8939_SNOC_INT_1, 8, -1, -1, MSM8939_SLAVE_APSS, MSM8939_SLAVE_CATS_128, MSM8939_SLAVE_OCMEM_64);
 DEFINE_QNODE(snoc_int_bimc, MSM8939_SNOC_INT_BIMC, 8, 101, 132, MSM8939_SNOC_BIMC_1_MAS);
 DEFINE_QNODE(snoc_pcnoc_mas, MSM8939_SNOC_PNOC_MAS, 8, -1, -1, MSM8939_SNOC_PNOC_SLV);
 DEFINE_QNODE(snoc_pcnoc_slv, MSM8939_SNOC_PNOC_SLV, 8, -1, -1, MSM8939_PNOC_INT_0);
diff --git a/drivers/misc/mei/client.c b/drivers/misc/mei/client.c
index 4378a9b..2cc370a 100644
--- a/drivers/misc/mei/client.c
+++ b/drivers/misc/mei/client.c
@@ -2286,8 +2286,8 @@
 	if (buffer_id == 0)
 		return -EINVAL;
 
-	if (!mei_cl_is_connected(cl))
-		return -ENODEV;
+	if (mei_cl_is_connected(cl))
+		return -EPROTO;
 
 	if (cl->dma_mapped)
 		return -EPROTO;
@@ -2327,9 +2327,7 @@
 
 	mutex_unlock(&dev->device_lock);
 	wait_event_timeout(cl->wait,
-			   cl->dma_mapped ||
-			   cl->status ||
-			   !mei_cl_is_connected(cl),
+			   cl->dma_mapped || cl->status,
 			   mei_secs_to_jiffies(MEI_CL_CONNECT_TIMEOUT));
 	mutex_lock(&dev->device_lock);
 
@@ -2376,8 +2374,9 @@
 		return -EOPNOTSUPP;
 	}
 
-	if (!mei_cl_is_connected(cl))
-		return -ENODEV;
+	/* do not allow unmap for connected client */
+	if (mei_cl_is_connected(cl))
+		return -EPROTO;
 
 	if (!cl->dma_mapped)
 		return -EPROTO;
@@ -2405,9 +2404,7 @@
 
 	mutex_unlock(&dev->device_lock);
 	wait_event_timeout(cl->wait,
-			   !cl->dma_mapped ||
-			   cl->status ||
-			   !mei_cl_is_connected(cl),
+			   !cl->dma_mapped || cl->status,
 			   mei_secs_to_jiffies(MEI_CL_CONNECT_TIMEOUT));
 	mutex_lock(&dev->device_lock);
 
diff --git a/drivers/pinctrl/intel/pinctrl-intel.c b/drivers/pinctrl/intel/pinctrl-intel.c
index 8085782..9f3361c 100644
--- a/drivers/pinctrl/intel/pinctrl-intel.c
+++ b/drivers/pinctrl/intel/pinctrl-intel.c
@@ -1357,6 +1357,7 @@
 				gpps[i].gpio_base = 0;
 				break;
 			case INTEL_GPIO_BASE_NOMAP:
+				break;
 			default:
 				break;
 		}
@@ -1393,6 +1394,7 @@
 		gpps[i].size = min(gpp_size, npins);
 		npins -= gpps[i].size;
 
+		gpps[i].gpio_base = gpps[i].base;
 		gpps[i].padown_num = padown_num;
 
 		/*
@@ -1491,8 +1493,13 @@
 		if (IS_ERR(regs))
 			return PTR_ERR(regs);
 
-		/* Determine community features based on the revision */
+		/*
+		 * Determine community features based on the revision.
+		 * A value of all ones means the device is not present.
+		 */
 		value = readl(regs + REVID);
+		if (value == ~0u)
+			return -ENODEV;
 		if (((value & REVID_MASK) >> REVID_SHIFT) >= 0x94) {
 			community->features |= PINCTRL_FEATURE_DEBOUNCE;
 			community->features |= PINCTRL_FEATURE_1K_PD;
diff --git a/drivers/pinctrl/pinctrl-microchip-sgpio.c b/drivers/pinctrl/pinctrl-microchip-sgpio.c
index f35edb0..c12fa57 100644
--- a/drivers/pinctrl/pinctrl-microchip-sgpio.c
+++ b/drivers/pinctrl/pinctrl-microchip-sgpio.c
@@ -572,7 +572,7 @@
 	/* Type value spread over 2 registers sets: low, high bit */
 	sgpio_clrsetbits(bank->priv, REG_INT_TRIGGER, addr.bit,
 			 BIT(addr.port), (!!(type & 0x1)) << addr.port);
-	sgpio_clrsetbits(bank->priv, REG_INT_TRIGGER + SGPIO_MAX_BITS, addr.bit,
+	sgpio_clrsetbits(bank->priv, REG_INT_TRIGGER, SGPIO_MAX_BITS + addr.bit,
 			 BIT(addr.port), (!!(type & 0x2)) << addr.port);
 
 	if (type == SGPIO_INT_TRG_LEVEL)
diff --git a/drivers/pinctrl/pinctrl-rockchip.c b/drivers/pinctrl/pinctrl-rockchip.c
index aa1a1c8..53a0bad 100644
--- a/drivers/pinctrl/pinctrl-rockchip.c
+++ b/drivers/pinctrl/pinctrl-rockchip.c
@@ -3727,12 +3727,15 @@
 static int __maybe_unused rockchip_pinctrl_resume(struct device *dev)
 {
 	struct rockchip_pinctrl *info = dev_get_drvdata(dev);
-	int ret = regmap_write(info->regmap_base, RK3288_GRF_GPIO6C_IOMUX,
-			       rk3288_grf_gpio6c_iomux |
-			       GPIO6C6_SEL_WRITE_ENABLE);
+	int ret;
 
-	if (ret)
-		return ret;
+	if (info->ctrl->type == RK3288) {
+		ret = regmap_write(info->regmap_base, RK3288_GRF_GPIO6C_IOMUX,
+				   rk3288_grf_gpio6c_iomux |
+				   GPIO6C6_SEL_WRITE_ENABLE);
+		if (ret)
+			return ret;
+	}
 
 	return pinctrl_force_default(info->pctl_dev);
 }
diff --git a/drivers/pinctrl/qcom/pinctrl-lpass-lpi.c b/drivers/pinctrl/qcom/pinctrl-lpass-lpi.c
index 369ee20..2f19ab4 100644
--- a/drivers/pinctrl/qcom/pinctrl-lpass-lpi.c
+++ b/drivers/pinctrl/qcom/pinctrl-lpass-lpi.c
@@ -392,7 +392,7 @@
 			  unsigned long *configs, unsigned int nconfs)
 {
 	struct lpi_pinctrl *pctrl = dev_get_drvdata(pctldev->dev);
-	unsigned int param, arg, pullup, strength;
+	unsigned int param, arg, pullup = LPI_GPIO_BIAS_DISABLE, strength = 2;
 	bool value, output_enabled = false;
 	const struct lpi_pingroup *g;
 	unsigned long sval;
diff --git a/drivers/pinctrl/qcom/pinctrl-sc7280.c b/drivers/pinctrl/qcom/pinctrl-sc7280.c
index 8daccd5..9d41abf 100644
--- a/drivers/pinctrl/qcom/pinctrl-sc7280.c
+++ b/drivers/pinctrl/qcom/pinctrl-sc7280.c
@@ -1439,14 +1439,14 @@
 	[172] = PINGROUP(172, qdss, _, _, _, _, _, _, _, _),
 	[173] = PINGROUP(173, qdss, _, _, _, _, _, _, _, _),
 	[174] = PINGROUP(174, qdss, _, _, _, _, _, _, _, _),
-	[175] = UFS_RESET(ufs_reset, 0x1be000),
-	[176] = SDC_QDSD_PINGROUP(sdc1_rclk, 0x1b3000, 15, 0),
-	[177] = SDC_QDSD_PINGROUP(sdc1_clk, 0x1b3000, 13, 6),
-	[178] = SDC_QDSD_PINGROUP(sdc1_cmd, 0x1b3000, 11, 3),
-	[179] = SDC_QDSD_PINGROUP(sdc1_data, 0x1b3000, 9, 0),
-	[180] = SDC_QDSD_PINGROUP(sdc2_clk, 0x1b4000, 14, 6),
-	[181] = SDC_QDSD_PINGROUP(sdc2_cmd, 0x1b4000, 11, 3),
-	[182] = SDC_QDSD_PINGROUP(sdc2_data, 0x1b4000, 9, 0),
+	[175] = UFS_RESET(ufs_reset, 0xbe000),
+	[176] = SDC_QDSD_PINGROUP(sdc1_rclk, 0xb3004, 0, 6),
+	[177] = SDC_QDSD_PINGROUP(sdc1_clk, 0xb3000, 13, 6),
+	[178] = SDC_QDSD_PINGROUP(sdc1_cmd, 0xb3000, 11, 3),
+	[179] = SDC_QDSD_PINGROUP(sdc1_data, 0xb3000, 9, 0),
+	[180] = SDC_QDSD_PINGROUP(sdc2_clk, 0xb4000, 14, 6),
+	[181] = SDC_QDSD_PINGROUP(sdc2_cmd, 0xb4000, 11, 3),
+	[182] = SDC_QDSD_PINGROUP(sdc2_data, 0xb4000, 9, 0),
 };
 
 static const struct msm_pinctrl_soc_data sc7280_pinctrl = {
diff --git a/drivers/pinctrl/qcom/pinctrl-sdx55.c b/drivers/pinctrl/qcom/pinctrl-sdx55.c
index 2b5b0e2..5aaf57b 100644
--- a/drivers/pinctrl/qcom/pinctrl-sdx55.c
+++ b/drivers/pinctrl/qcom/pinctrl-sdx55.c
@@ -423,7 +423,7 @@
 
 static const char * const qdss_stm_groups[] = {
 	"gpio0", "gpio1", "gpio2", "gpio3", "gpio4", "gpio5", "gpio6", "gpio7", "gpio12", "gpio13",
-	"gpio14", "gpio15", "gpio16", "gpio17", "gpio18", "gpio19" "gpio20", "gpio21", "gpio22",
+	"gpio14", "gpio15", "gpio16", "gpio17", "gpio18", "gpio19", "gpio20", "gpio21", "gpio22",
 	"gpio23", "gpio44", "gpio45", "gpio52", "gpio53", "gpio56", "gpio57", "gpio61", "gpio62",
 	"gpio63", "gpio64", "gpio65", "gpio66",
 };
diff --git a/drivers/platform/x86/intel-hid.c b/drivers/platform/x86/intel-hid.c
index 57cc928..078648a 100644
--- a/drivers/platform/x86/intel-hid.c
+++ b/drivers/platform/x86/intel-hid.c
@@ -483,11 +483,16 @@
 			goto wakeup;
 
 		/*
-		 * Switch events will wake the device and report the new switch
-		 * position to the input subsystem.
+		 * Some devices send (duplicate) tablet-mode events when moved
+		 * around even though the mode has not changed; and they do this
+		 * even when suspended.
+		 * Update the switch state in case it changed and then return
+		 * without waking up to avoid spurious wakeups.
 		 */
-		if (priv->switches && (event == 0xcc || event == 0xcd))
-			goto wakeup;
+		if (event == 0xcc || event == 0xcd) {
+			report_tablet_mode_event(priv->switches, event);
+			return;
+		}
 
 		/* Wake up on 5-button array events only. */
 		if (event == 0xc0 || !priv->array)
@@ -501,9 +506,6 @@
 wakeup:
 		pm_wakeup_hard_event(&device->dev);
 
-		if (report_tablet_mode_event(priv->switches, event))
-			return;
-
 		return;
 	}
 
diff --git a/drivers/regulator/bd9571mwv-regulator.c b/drivers/regulator/bd9571mwv-regulator.c
index 7b0cd08..ba020a4 100644
--- a/drivers/regulator/bd9571mwv-regulator.c
+++ b/drivers/regulator/bd9571mwv-regulator.c
@@ -125,7 +125,7 @@
 
 static const struct regulator_desc regulators[] = {
 	BD9571MWV_REG("VD09", "vd09", VD09, avs_ops, 0, 0x7f,
-		      0x80, 600000, 10000, 0x3c),
+		      0x6f, 600000, 10000, 0x3c),
 	BD9571MWV_REG("VD18", "vd18", VD18, vid_ops, BD9571MWV_VD18_VID, 0xf,
 		      16, 1625000, 25000, 0),
 	BD9571MWV_REG("VD25", "vd25", VD25, vid_ops, BD9571MWV_VD25_VID, 0xf,
@@ -134,7 +134,7 @@
 		      11, 2800000, 100000, 0),
 	BD9571MWV_REG("DVFS", "dvfs", DVFS, reg_ops,
 		      BD9571MWV_DVFS_MONIVDAC, 0x7f,
-		      0x80, 600000, 10000, 0x3c),
+		      0x6f, 600000, 10000, 0x3c),
 };
 
 #ifdef CONFIG_PM_SLEEP
@@ -174,7 +174,7 @@
 {
 	struct bd9571mwv_reg *bdreg = dev_get_drvdata(dev);
 
-	return sprintf(buf, "%s\n", bdreg->bkup_mode_enabled ? "on" : "off");
+	return sysfs_emit(buf, "%s\n", bdreg->bkup_mode_enabled ? "on" : "off");
 }
 
 static ssize_t backup_mode_store(struct device *dev,
@@ -301,7 +301,7 @@
 					       &config);
 		if (IS_ERR(rdev)) {
 			dev_err(&pdev->dev, "failed to register %s regulator\n",
-				pdev->name);
+				regulators[i].name);
 			return PTR_ERR(rdev);
 		}
 	}
diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c
index 91074fd9..f4bf62b 100644
--- a/drivers/scsi/scsi_transport_iscsi.c
+++ b/drivers/scsi/scsi_transport_iscsi.c
@@ -2475,6 +2475,7 @@
 	 */
 	mutex_lock(&conn_mutex);
 	conn->transport->stop_conn(conn, flag);
+	conn->state = ISCSI_CONN_DOWN;
 	mutex_unlock(&conn_mutex);
 
 }
@@ -2901,6 +2902,13 @@
 	default:
 		err = transport->set_param(conn, ev->u.set_param.param,
 					   data, ev->u.set_param.len);
+		if ((conn->state == ISCSI_CONN_BOUND) ||
+			(conn->state == ISCSI_CONN_UP)) {
+			err = transport->set_param(conn, ev->u.set_param.param,
+					data, ev->u.set_param.len);
+		} else {
+			return -ENOTCONN;
+		}
 	}
 
 	return err;
@@ -2960,6 +2968,7 @@
 		mutex_lock(&conn->ep_mutex);
 		conn->ep = NULL;
 		mutex_unlock(&conn->ep_mutex);
+		conn->state = ISCSI_CONN_DOWN;
 	}
 
 	transport->ep_disconnect(ep);
@@ -3727,6 +3736,8 @@
 		ev->r.retcode =	transport->bind_conn(session, conn,
 						ev->u.b_conn.transport_eph,
 						ev->u.b_conn.is_leading);
+		if (!ev->r.retcode)
+			conn->state = ISCSI_CONN_BOUND;
 		mutex_unlock(&conn_mutex);
 
 		if (ev->r.retcode || !transport->ep_connect)
@@ -3966,7 +3977,8 @@
 static const char *const connection_state_names[] = {
 	[ISCSI_CONN_UP] = "up",
 	[ISCSI_CONN_DOWN] = "down",
-	[ISCSI_CONN_FAILED] = "failed"
+	[ISCSI_CONN_FAILED] = "failed",
+	[ISCSI_CONN_BOUND] = "bound"
 };
 
 static ssize_t show_conn_state(struct device *dev,
diff --git a/drivers/soc/litex/litex_soc_ctrl.c b/drivers/soc/litex/litex_soc_ctrl.c
index 6268bfa..c3e379a 100644
--- a/drivers/soc/litex/litex_soc_ctrl.c
+++ b/drivers/soc/litex/litex_soc_ctrl.c
@@ -13,7 +13,6 @@
 #include <linux/platform_device.h>
 #include <linux/printk.h>
 #include <linux/module.h>
-#include <linux/errno.h>
 #include <linux/io.h>
 #include <linux/reboot.h>
 
diff --git a/drivers/soc/qcom/qcom-geni-se.c b/drivers/soc/qcom/qcom-geni-se.c
index f42954e..1fd29f9 100644
--- a/drivers/soc/qcom/qcom-geni-se.c
+++ b/drivers/soc/qcom/qcom-geni-se.c
@@ -3,7 +3,6 @@
 
 #include <linux/acpi.h>
 #include <linux/clk.h>
-#include <linux/console.h>
 #include <linux/slab.h>
 #include <linux/dma-mapping.h>
 #include <linux/io.h>
@@ -92,14 +91,11 @@
 	struct device *dev;
 	void __iomem *base;
 	struct clk_bulk_data ahb_clks[NUM_AHB_CLKS];
-	struct geni_icc_path to_core;
 };
 
 static const char * const icc_path_names[] = {"qup-core", "qup-config",
 						"qup-memory"};
 
-static struct geni_wrapper *earlycon_wrapper;
-
 #define QUP_HW_VER_REG			0x4
 
 /* Common SE registers */
@@ -843,44 +839,11 @@
 }
 EXPORT_SYMBOL(geni_icc_disable);
 
-void geni_remove_earlycon_icc_vote(void)
-{
-	struct platform_device *pdev;
-	struct geni_wrapper *wrapper;
-	struct device_node *parent;
-	struct device_node *child;
-
-	if (!earlycon_wrapper)
-		return;
-
-	wrapper = earlycon_wrapper;
-	parent = of_get_next_parent(wrapper->dev->of_node);
-	for_each_child_of_node(parent, child) {
-		if (!of_device_is_compatible(child, "qcom,geni-se-qup"))
-			continue;
-
-		pdev = of_find_device_by_node(child);
-		if (!pdev)
-			continue;
-
-		wrapper = platform_get_drvdata(pdev);
-		icc_put(wrapper->to_core.path);
-		wrapper->to_core.path = NULL;
-
-	}
-	of_node_put(parent);
-
-	earlycon_wrapper = NULL;
-}
-EXPORT_SYMBOL(geni_remove_earlycon_icc_vote);
-
 static int geni_se_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
 	struct resource *res;
 	struct geni_wrapper *wrapper;
-	struct console __maybe_unused *bcon;
-	bool __maybe_unused has_earlycon = false;
 	int ret;
 
 	wrapper = devm_kzalloc(dev, sizeof(*wrapper), GFP_KERNEL);
@@ -903,43 +866,6 @@
 		}
 	}
 
-#ifdef CONFIG_SERIAL_EARLYCON
-	for_each_console(bcon) {
-		if (!strcmp(bcon->name, "qcom_geni")) {
-			has_earlycon = true;
-			break;
-		}
-	}
-	if (!has_earlycon)
-		goto exit;
-
-	wrapper->to_core.path = devm_of_icc_get(dev, "qup-core");
-	if (IS_ERR(wrapper->to_core.path))
-		return PTR_ERR(wrapper->to_core.path);
-	/*
-	 * Put minmal BW request on core clocks on behalf of early console.
-	 * The vote will be removed earlycon exit function.
-	 *
-	 * Note: We are putting vote on each QUP wrapper instead only to which
-	 * earlycon is connected because QUP core clock of different wrapper
-	 * share same voltage domain. If core1 is put to 0, then core2 will
-	 * also run at 0, if not voted. Default ICC vote will be removed ASA
-	 * we touch any of the core clock.
-	 * core1 = core2 = max(core1, core2)
-	 */
-	ret = icc_set_bw(wrapper->to_core.path, GENI_DEFAULT_BW,
-				GENI_DEFAULT_BW);
-	if (ret) {
-		dev_err(&pdev->dev, "%s: ICC BW voting failed for core: %d\n",
-			__func__, ret);
-		return ret;
-	}
-
-	if (of_get_compatible_child(pdev->dev.of_node, "qcom,geni-debug-uart"))
-		earlycon_wrapper = wrapper;
-	of_node_put(pdev->dev.of_node);
-exit:
-#endif
 	dev_set_drvdata(dev, wrapper);
 	dev_dbg(dev, "GENI SE Driver probed\n");
 	return devm_of_platform_populate(dev);
diff --git a/drivers/staging/rtl8192e/rtllib.h b/drivers/staging/rtl8192e/rtllib.h
index b84f00b..4cabaf2 100644
--- a/drivers/staging/rtl8192e/rtllib.h
+++ b/drivers/staging/rtl8192e/rtllib.h
@@ -1105,7 +1105,7 @@
 	bool	bWithAironetIE;
 	bool	bCkipSupported;
 	bool	bCcxRmEnable;
-	u16	CcxRmState[2];
+	u8	CcxRmState[2];
 	bool	bMBssidValid;
 	u8	MBssidMask;
 	u8	MBssid[ETH_ALEN];
diff --git a/drivers/staging/rtl8192e/rtllib_rx.c b/drivers/staging/rtl8192e/rtllib_rx.c
index 66c1353..15bbb63 100644
--- a/drivers/staging/rtl8192e/rtllib_rx.c
+++ b/drivers/staging/rtl8192e/rtllib_rx.c
@@ -1967,7 +1967,7 @@
 	    info_element->data[2] == 0x96 &&
 	    info_element->data[3] == 0x01) {
 		if (info_element->len == 6) {
-			memcpy(network->CcxRmState, &info_element[4], 2);
+			memcpy(network->CcxRmState, &info_element->data[4], 2);
 			if (network->CcxRmState[0] != 0)
 				network->bCcxRmEnable = true;
 			else
diff --git a/drivers/tty/serial/qcom_geni_serial.c b/drivers/tty/serial/qcom_geni_serial.c
index 291649f..0d85b55 100644
--- a/drivers/tty/serial/qcom_geni_serial.c
+++ b/drivers/tty/serial/qcom_geni_serial.c
@@ -1177,12 +1177,6 @@
 						      struct console *con) { }
 #endif
 
-static int qcom_geni_serial_earlycon_exit(struct console *con)
-{
-	geni_remove_earlycon_icc_vote();
-	return 0;
-}
-
 static struct qcom_geni_private_data earlycon_private_data;
 
 static int __init qcom_geni_serial_earlycon_setup(struct earlycon_device *dev,
@@ -1233,7 +1227,6 @@
 	writel(stop_bit_len, uport->membase + SE_UART_TX_STOP_BIT_LEN);
 
 	dev->con->write = qcom_geni_serial_earlycon_write;
-	dev->con->exit = qcom_geni_serial_earlycon_exit;
 	dev->con->setup = NULL;
 	qcom_geni_serial_enable_early_read(&se, dev->con);
 
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 39ddb55..3fda1ec 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -147,17 +147,29 @@
 #define acm_send_break(acm, ms) \
 	acm_ctrl_msg(acm, USB_CDC_REQ_SEND_BREAK, ms, NULL, 0)
 
-static void acm_kill_urbs(struct acm *acm)
+static void acm_poison_urbs(struct acm *acm)
 {
 	int i;
 
-	usb_kill_urb(acm->ctrlurb);
+	usb_poison_urb(acm->ctrlurb);
 	for (i = 0; i < ACM_NW; i++)
-		usb_kill_urb(acm->wb[i].urb);
+		usb_poison_urb(acm->wb[i].urb);
 	for (i = 0; i < acm->rx_buflimit; i++)
-		usb_kill_urb(acm->read_urbs[i]);
+		usb_poison_urb(acm->read_urbs[i]);
 }
 
+static void acm_unpoison_urbs(struct acm *acm)
+{
+	int i;
+
+	for (i = 0; i < acm->rx_buflimit; i++)
+		usb_unpoison_urb(acm->read_urbs[i]);
+	for (i = 0; i < ACM_NW; i++)
+		usb_unpoison_urb(acm->wb[i].urb);
+	usb_unpoison_urb(acm->ctrlurb);
+}
+
+
 /*
  * Write buffer management.
  * All of these assume proper locks taken by the caller.
@@ -226,9 +238,10 @@
 
 	rc = usb_submit_urb(wb->urb, GFP_ATOMIC);
 	if (rc < 0) {
-		dev_err(&acm->data->dev,
-			"%s - usb_submit_urb(write bulk) failed: %d\n",
-			__func__, rc);
+		if (rc != -EPERM)
+			dev_err(&acm->data->dev,
+				"%s - usb_submit_urb(write bulk) failed: %d\n",
+				__func__, rc);
 		acm_write_done(acm, wb);
 	}
 	return rc;
@@ -313,8 +326,10 @@
 			acm->iocount.dsr++;
 		if (difference & ACM_CTRL_DCD)
 			acm->iocount.dcd++;
-		if (newctrl & ACM_CTRL_BRK)
+		if (newctrl & ACM_CTRL_BRK) {
 			acm->iocount.brk++;
+			tty_insert_flip_char(&acm->port, 0, TTY_BREAK);
+		}
 		if (newctrl & ACM_CTRL_RI)
 			acm->iocount.rng++;
 		if (newctrl & ACM_CTRL_FRAMING)
@@ -480,11 +495,6 @@
 	dev_vdbg(&acm->data->dev, "got urb %d, len %d, status %d\n",
 		rb->index, urb->actual_length, status);
 
-	if (!acm->dev) {
-		dev_dbg(&acm->data->dev, "%s - disconnected\n", __func__);
-		return;
-	}
-
 	switch (status) {
 	case 0:
 		usb_mark_last_busy(acm->dev);
@@ -649,7 +659,8 @@
 
 	res = acm_set_control(acm, val);
 	if (res && (acm->ctrl_caps & USB_CDC_CAP_LINE))
-		dev_err(&acm->control->dev, "failed to set dtr/rts\n");
+		/* This is broken in too many devices to spam the logs */
+		dev_dbg(&acm->control->dev, "failed to set dtr/rts\n");
 }
 
 static int acm_port_activate(struct tty_port *port, struct tty_struct *tty)
@@ -731,6 +742,7 @@
 	 * Need to grab write_lock to prevent race with resume, but no need to
 	 * hold it due to the tty-port initialised flag.
 	 */
+	acm_poison_urbs(acm);
 	spin_lock_irq(&acm->write_lock);
 	spin_unlock_irq(&acm->write_lock);
 
@@ -747,7 +759,8 @@
 		usb_autopm_put_interface_async(acm->control);
 	}
 
-	acm_kill_urbs(acm);
+	acm_unpoison_urbs(acm);
+
 }
 
 static void acm_tty_cleanup(struct tty_struct *tty)
@@ -1296,13 +1309,6 @@
 	if (!combined_interfaces && intf != control_interface)
 		return -ENODEV;
 
-	if (!combined_interfaces && usb_interface_claimed(data_interface)) {
-		/* valid in this context */
-		dev_dbg(&intf->dev, "The data interface isn't available\n");
-		return -EBUSY;
-	}
-
-
 	if (data_interface->cur_altsetting->desc.bNumEndpoints < 2 ||
 	    control_interface->cur_altsetting->desc.bNumEndpoints == 0)
 		return -EINVAL;
@@ -1323,8 +1329,8 @@
 	dev_dbg(&intf->dev, "interfaces are valid\n");
 
 	acm = kzalloc(sizeof(struct acm), GFP_KERNEL);
-	if (acm == NULL)
-		goto alloc_fail;
+	if (!acm)
+		return -ENOMEM;
 
 	tty_port_init(&acm->port);
 	acm->port.ops = &acm_port_ops;
@@ -1341,7 +1347,7 @@
 
 	minor = acm_alloc_minor(acm);
 	if (minor < 0)
-		goto alloc_fail1;
+		goto err_put_port;
 
 	acm->minor = minor;
 	acm->dev = usb_dev;
@@ -1372,15 +1378,15 @@
 
 	buf = usb_alloc_coherent(usb_dev, ctrlsize, GFP_KERNEL, &acm->ctrl_dma);
 	if (!buf)
-		goto alloc_fail1;
+		goto err_put_port;
 	acm->ctrl_buffer = buf;
 
 	if (acm_write_buffers_alloc(acm) < 0)
-		goto alloc_fail2;
+		goto err_free_ctrl_buffer;
 
 	acm->ctrlurb = usb_alloc_urb(0, GFP_KERNEL);
 	if (!acm->ctrlurb)
-		goto alloc_fail3;
+		goto err_free_write_buffers;
 
 	for (i = 0; i < num_rx_buf; i++) {
 		struct acm_rb *rb = &(acm->read_buffers[i]);
@@ -1389,13 +1395,13 @@
 		rb->base = usb_alloc_coherent(acm->dev, readsize, GFP_KERNEL,
 								&rb->dma);
 		if (!rb->base)
-			goto alloc_fail4;
+			goto err_free_read_urbs;
 		rb->index = i;
 		rb->instance = acm;
 
 		urb = usb_alloc_urb(0, GFP_KERNEL);
 		if (!urb)
-			goto alloc_fail4;
+			goto err_free_read_urbs;
 
 		urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
 		urb->transfer_dma = rb->dma;
@@ -1416,8 +1422,8 @@
 		struct acm_wb *snd = &(acm->wb[i]);
 
 		snd->urb = usb_alloc_urb(0, GFP_KERNEL);
-		if (snd->urb == NULL)
-			goto alloc_fail5;
+		if (!snd->urb)
+			goto err_free_write_urbs;
 
 		if (usb_endpoint_xfer_int(epwrite))
 			usb_fill_int_urb(snd->urb, usb_dev, acm->out,
@@ -1435,7 +1441,7 @@
 
 	i = device_create_file(&intf->dev, &dev_attr_bmCapabilities);
 	if (i < 0)
-		goto alloc_fail5;
+		goto err_free_write_urbs;
 
 	if (h.usb_cdc_country_functional_desc) { /* export the country data */
 		struct usb_cdc_country_functional_desc * cfd =
@@ -1480,20 +1486,21 @@
 	acm->nb_index = 0;
 	acm->nb_size = 0;
 
-	dev_info(&intf->dev, "ttyACM%d: USB ACM device\n", minor);
-
 	acm->line.dwDTERate = cpu_to_le32(9600);
 	acm->line.bDataBits = 8;
 	acm_set_line(acm, &acm->line);
 
-	usb_driver_claim_interface(&acm_driver, data_interface, acm);
-	usb_set_intfdata(data_interface, acm);
+	if (!acm->combined_interfaces) {
+		rv = usb_driver_claim_interface(&acm_driver, data_interface, acm);
+		if (rv)
+			goto err_remove_files;
+	}
 
 	tty_dev = tty_port_register_device(&acm->port, acm_tty_driver, minor,
 			&control_interface->dev);
 	if (IS_ERR(tty_dev)) {
 		rv = PTR_ERR(tty_dev);
-		goto alloc_fail6;
+		goto err_release_data_interface;
 	}
 
 	if (quirks & CLEAR_HALT_CONDITIONS) {
@@ -1501,32 +1508,39 @@
 		usb_clear_halt(usb_dev, acm->out);
 	}
 
+	dev_info(&intf->dev, "ttyACM%d: USB ACM device\n", minor);
+
 	return 0;
-alloc_fail6:
+
+err_release_data_interface:
+	if (!acm->combined_interfaces) {
+		/* Clear driver data so that disconnect() returns early. */
+		usb_set_intfdata(data_interface, NULL);
+		usb_driver_release_interface(&acm_driver, data_interface);
+	}
+err_remove_files:
 	if (acm->country_codes) {
 		device_remove_file(&acm->control->dev,
 				&dev_attr_wCountryCodes);
 		device_remove_file(&acm->control->dev,
 				&dev_attr_iCountryCodeRelDate);
-		kfree(acm->country_codes);
 	}
 	device_remove_file(&acm->control->dev, &dev_attr_bmCapabilities);
-alloc_fail5:
-	usb_set_intfdata(intf, NULL);
+err_free_write_urbs:
 	for (i = 0; i < ACM_NW; i++)
 		usb_free_urb(acm->wb[i].urb);
-alloc_fail4:
+err_free_read_urbs:
 	for (i = 0; i < num_rx_buf; i++)
 		usb_free_urb(acm->read_urbs[i]);
 	acm_read_buffers_free(acm);
 	usb_free_urb(acm->ctrlurb);
-alloc_fail3:
+err_free_write_buffers:
 	acm_write_buffers_free(acm);
-alloc_fail2:
+err_free_ctrl_buffer:
 	usb_free_coherent(usb_dev, ctrlsize, acm->ctrl_buffer, acm->ctrl_dma);
-alloc_fail1:
+err_put_port:
 	tty_port_put(&acm->port);
-alloc_fail:
+
 	return rv;
 }
 
@@ -1540,8 +1554,14 @@
 	if (!acm)
 		return;
 
-	mutex_lock(&acm->mutex);
 	acm->disconnected = true;
+	/*
+	 * there is a circular dependency. acm_softint() can resubmit
+	 * the URBs in error handling so we need to block any
+	 * submission right away
+	 */
+	acm_poison_urbs(acm);
+	mutex_lock(&acm->mutex);
 	if (acm->country_codes) {
 		device_remove_file(&acm->control->dev,
 				&dev_attr_wCountryCodes);
@@ -1560,7 +1580,6 @@
 		tty_kref_put(tty);
 	}
 
-	acm_kill_urbs(acm);
 	cancel_delayed_work_sync(&acm->dwork);
 
 	tty_unregister_device(acm_tty_driver, acm->minor);
@@ -1602,7 +1621,7 @@
 	if (cnt)
 		return 0;
 
-	acm_kill_urbs(acm);
+	acm_poison_urbs(acm);
 	cancel_delayed_work_sync(&acm->dwork);
 	acm->urbs_in_error_delay = 0;
 
@@ -1615,6 +1634,7 @@
 	struct urb *urb;
 	int rv = 0;
 
+	acm_unpoison_urbs(acm);
 	spin_lock_irq(&acm->write_lock);
 
 	if (--acm->susp_count)
diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
index 6ade3da..76ac5d6 100644
--- a/drivers/usb/core/quirks.c
+++ b/drivers/usb/core/quirks.c
@@ -498,6 +498,10 @@
 	/* DJI CineSSD */
 	{ USB_DEVICE(0x2ca3, 0x0031), .driver_info = USB_QUIRK_NO_LPM },
 
+	/* Fibocom L850-GL LTE Modem */
+	{ USB_DEVICE(0x2cb7, 0x0007), .driver_info =
+			USB_QUIRK_IGNORE_REMOTE_WAKEUP },
+
 	/* INTEL VALUE SSD */
 	{ USB_DEVICE(0x8086, 0xf1a5), .driver_info = USB_QUIRK_RESET_RESUME },
 
diff --git a/drivers/usb/dwc2/hcd.c b/drivers/usb/dwc2/hcd.c
index fc3269f..1a9789e 100644
--- a/drivers/usb/dwc2/hcd.c
+++ b/drivers/usb/dwc2/hcd.c
@@ -4322,7 +4322,8 @@
 	if (hsotg->op_state == OTG_STATE_B_PERIPHERAL)
 		goto unlock;
 
-	if (hsotg->params.power_down > DWC2_POWER_DOWN_PARAM_PARTIAL)
+	if (hsotg->params.power_down != DWC2_POWER_DOWN_PARAM_PARTIAL ||
+	    hsotg->flags.b.port_connect_status == 0)
 		goto skip_power_saving;
 
 	/*
@@ -5398,7 +5399,7 @@
 	dwc2_writel(hsotg, hprt0, HPRT0);
 
 	/* Wait for the HPRT0.PrtSusp register field to be set */
-	if (dwc2_hsotg_wait_bit_set(hsotg, HPRT0, HPRT0_SUSP, 3000))
+	if (dwc2_hsotg_wait_bit_set(hsotg, HPRT0, HPRT0_SUSP, 5000))
 		dev_warn(hsotg->dev, "Suspend wasn't generated\n");
 
 	/*
diff --git a/drivers/usb/dwc3/dwc3-pci.c b/drivers/usb/dwc3/dwc3-pci.c
index 3d3918a..4c5c697 100644
--- a/drivers/usb/dwc3/dwc3-pci.c
+++ b/drivers/usb/dwc3/dwc3-pci.c
@@ -120,6 +120,8 @@
 static const struct property_entry dwc3_pci_mrfld_properties[] = {
 	PROPERTY_ENTRY_STRING("dr_mode", "otg"),
 	PROPERTY_ENTRY_STRING("linux,extcon-name", "mrfld_bcove_pwrsrc"),
+	PROPERTY_ENTRY_BOOL("snps,dis_u3_susphy_quirk"),
+	PROPERTY_ENTRY_BOOL("snps,dis_u2_susphy_quirk"),
 	PROPERTY_ENTRY_BOOL("linux,sysdev_is_parent"),
 	{}
 };
diff --git a/drivers/usb/dwc3/dwc3-qcom.c b/drivers/usb/dwc3/dwc3-qcom.c
index fcaf044..3de291a 100644
--- a/drivers/usb/dwc3/dwc3-qcom.c
+++ b/drivers/usb/dwc3/dwc3-qcom.c
@@ -244,6 +244,9 @@
 	struct device *dev = qcom->dev;
 	int ret;
 
+	if (has_acpi_companion(dev))
+		return 0;
+
 	qcom->icc_path_ddr = of_icc_get(dev, "usb-ddr");
 	if (IS_ERR(qcom->icc_path_ddr)) {
 		dev_err(dev, "failed to get usb-ddr path: %ld\n",
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 4a337f3..c7ef218 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -791,10 +791,6 @@
 	reg &= ~DWC3_DALEPENA_EP(dep->number);
 	dwc3_writel(dwc->regs, DWC3_DALEPENA, reg);
 
-	dep->stream_capable = false;
-	dep->type = 0;
-	dep->flags = 0;
-
 	/* Clear out the ep descriptors for non-ep0 */
 	if (dep->number > 1) {
 		dep->endpoint.comp_desc = NULL;
@@ -803,6 +799,10 @@
 
 	dwc3_remove_requests(dwc, dep);
 
+	dep->stream_capable = false;
+	dep->type = 0;
+	dep->flags = 0;
+
 	return 0;
 }
 
@@ -2083,7 +2083,7 @@
 	u32			reg;
 
 	speed = dwc->gadget_max_speed;
-	if (speed > dwc->maximum_speed)
+	if (speed == USB_SPEED_UNKNOWN || speed > dwc->maximum_speed)
 		speed = dwc->maximum_speed;
 
 	if (speed == USB_SPEED_SUPER_PLUS &&
@@ -2523,6 +2523,7 @@
 	unsigned long		flags;
 
 	spin_lock_irqsave(&dwc->lock, flags);
+	dwc->gadget_max_speed = USB_SPEED_SUPER_PLUS;
 	dwc->gadget_ssp_rate = rate;
 	spin_unlock_irqrestore(&dwc->lock, flags);
 }
diff --git a/drivers/usb/gadget/udc/amd5536udc_pci.c b/drivers/usb/gadget/udc/amd5536udc_pci.c
index 8d387e0..c80f9bd 100644
--- a/drivers/usb/gadget/udc/amd5536udc_pci.c
+++ b/drivers/usb/gadget/udc/amd5536udc_pci.c
@@ -153,6 +153,11 @@
 	pci_set_master(pdev);
 	pci_try_set_mwi(pdev);
 
+	dev->phys_addr = resource;
+	dev->irq = pdev->irq;
+	dev->pdev = pdev;
+	dev->dev = &pdev->dev;
+
 	/* init dma pools */
 	if (use_dma) {
 		retval = init_dma_pools(dev);
@@ -160,11 +165,6 @@
 			goto err_dma;
 	}
 
-	dev->phys_addr = resource;
-	dev->irq = pdev->irq;
-	dev->pdev = pdev;
-	dev->dev = &pdev->dev;
-
 	/* general probing */
 	if (udc_probe(dev)) {
 		retval = -ENODEV;
diff --git a/drivers/usb/host/xhci-mtk.c b/drivers/usb/host/xhci-mtk.c
index fe010cc..2f27dc0 100644
--- a/drivers/usb/host/xhci-mtk.c
+++ b/drivers/usb/host/xhci-mtk.c
@@ -397,6 +397,13 @@
 	xhci->quirks |= XHCI_SPURIOUS_SUCCESS;
 	if (mtk->lpm_support)
 		xhci->quirks |= XHCI_LPM_SUPPORT;
+
+	/*
+	 * MTK xHCI 0.96: PSA is 1 by default even if doesn't support stream,
+	 * and it's 3 when support it.
+	 */
+	if (xhci->hci_version < 0x100 && HCC_MAX_PSA(xhci->hcc_params) == 4)
+		xhci->quirks |= XHCI_BROKEN_STREAMS;
 }
 
 /* called during probe() after chip reset completes */
@@ -548,7 +555,8 @@
 	if (ret)
 		goto put_usb3_hcd;
 
-	if (HCC_MAX_PSA(xhci->hcc_params) >= 4)
+	if (HCC_MAX_PSA(xhci->hcc_params) >= 4 &&
+	    !(xhci->quirks & XHCI_BROKEN_STREAMS))
 		xhci->shared_hcd->can_do_streams = 1;
 
 	ret = usb_add_hcd(xhci->shared_hcd, irq, IRQF_SHARED);
diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c
index 1cd8772..fc0457d 100644
--- a/drivers/usb/musb/musb_core.c
+++ b/drivers/usb/musb/musb_core.c
@@ -2004,10 +2004,14 @@
 		MUSB_DEVCTL_HR;
 	switch (devctl & ~s) {
 	case MUSB_QUIRK_B_DISCONNECT_99:
-		musb_dbg(musb, "Poll devctl in case of suspend after disconnect\n");
-		schedule_delayed_work(&musb->irq_work,
-				      msecs_to_jiffies(1000));
-		break;
+		if (musb->quirk_retries && !musb->flush_irq_work) {
+			musb_dbg(musb, "Poll devctl in case of suspend after disconnect\n");
+			schedule_delayed_work(&musb->irq_work,
+					      msecs_to_jiffies(1000));
+			musb->quirk_retries--;
+			break;
+		}
+		fallthrough;
 	case MUSB_QUIRK_B_INVALID_VBUS_91:
 		if (musb->quirk_retries && !musb->flush_irq_work) {
 			musb_dbg(musb,
diff --git a/drivers/usb/usbip/vhci_hcd.c b/drivers/usb/usbip/vhci_hcd.c
index 3209b5d..a20a838 100644
--- a/drivers/usb/usbip/vhci_hcd.c
+++ b/drivers/usb/usbip/vhci_hcd.c
@@ -594,6 +594,8 @@
 				pr_err("invalid port number %d\n", wIndex);
 				goto error;
 			}
+			if (wValue >= 32)
+				goto error;
 			if (hcd->speed == HCD_USB3) {
 				if ((vhci_hcd->port_status[rhport] &
 				     USB_SS_PORT_STAT_POWER) != 0) {
diff --git a/drivers/vfio/pci/Kconfig b/drivers/vfio/pci/Kconfig
index ac3c1dd..4abddbe 100644
--- a/drivers/vfio/pci/Kconfig
+++ b/drivers/vfio/pci/Kconfig
@@ -42,6 +42,6 @@
 
 config VFIO_PCI_NVLINK2
 	def_bool y
-	depends on VFIO_PCI && PPC_POWERNV
+	depends on VFIO_PCI && PPC_POWERNV && SPAPR_TCE_IOMMU
 	help
 	  VFIO PCI support for P9 Witherspoon machine with NVIDIA V100 GPUs
diff --git a/drivers/vfio/vfio_iommu_type1.c b/drivers/vfio/vfio_iommu_type1.c
index be44440..45cbfd4 100644
--- a/drivers/vfio/vfio_iommu_type1.c
+++ b/drivers/vfio/vfio_iommu_type1.c
@@ -739,6 +739,12 @@
 	ret = vfio_lock_acct(dma, lock_acct, false);
 
 unpin_out:
+	if (batch->size == 1 && !batch->offset) {
+		/* May be a VM_PFNMAP pfn, which the batch can't remember. */
+		put_pfn(pfn, dma->prot);
+		batch->size = 0;
+	}
+
 	if (ret < 0) {
 		if (pinned && !rsvd) {
 			for (pfn = *pfn_base ; pinned ; pfn++, pinned--)
diff --git a/drivers/video/fbdev/core/fbcon.c b/drivers/video/fbdev/core/fbcon.c
index 44a5cd2..3406067 100644
--- a/drivers/video/fbdev/core/fbcon.c
+++ b/drivers/video/fbdev/core/fbcon.c
@@ -1333,6 +1333,9 @@
 
 	ops->cursor_flash = (mode == CM_ERASE) ? 0 : 1;
 
+	if (!ops->cursor)
+		return;
+
 	ops->cursor(vc, info, mode, get_color(vc, info, c, 1),
 		    get_color(vc, info, c, 0));
 }
diff --git a/drivers/video/fbdev/hyperv_fb.c b/drivers/video/fbdev/hyperv_fb.c
index c8b0ae6..4dc9077 100644
--- a/drivers/video/fbdev/hyperv_fb.c
+++ b/drivers/video/fbdev/hyperv_fb.c
@@ -1031,7 +1031,6 @@
 			PCI_DEVICE_ID_HYPERV_VIDEO, NULL);
 		if (!pdev) {
 			pr_err("Unable to find PCI Hyper-V video\n");
-			kfree(info->apertures);
 			return -ENODEV;
 		}
 
@@ -1129,7 +1128,6 @@
 	} else {
 		pci_dev_put(pdev);
 	}
-	kfree(info->apertures);
 
 	return 0;
 
@@ -1141,7 +1139,6 @@
 err1:
 	if (!gen2vm)
 		pci_dev_put(pdev);
-	kfree(info->apertures);
 
 	return -ENOMEM;
 }
diff --git a/fs/block_dev.c b/fs/block_dev.c
index 28d583f..09d6f72 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -275,6 +275,8 @@
 		bio.bi_opf = dio_bio_write_op(iocb);
 		task_io_account_write(ret);
 	}
+	if (iocb->ki_flags & IOCB_NOWAIT)
+		bio.bi_opf |= REQ_NOWAIT;
 	if (iocb->ki_flags & IOCB_HIPRI)
 		bio_set_polled(&bio, iocb);
 
@@ -428,6 +430,8 @@
 			bio->bi_opf = dio_bio_write_op(iocb);
 			task_io_account_write(bio->bi_iter.bi_size);
 		}
+		if (iocb->ki_flags & IOCB_NOWAIT)
+			bio->bi_opf |= REQ_NOWAIT;
 
 		dio->size += bio->bi_iter.bi_size;
 		pos += bio->bi_iter.bi_size;
diff --git a/fs/gfs2/super.c b/fs/gfs2/super.c
index 97076d3..8fb9602 100644
--- a/fs/gfs2/super.c
+++ b/fs/gfs2/super.c
@@ -162,8 +162,10 @@
 	int error;
 
 	error = init_threads(sdp);
-	if (error)
+	if (error) {
+		gfs2_withdraw_delayed(sdp);
 		return error;
+	}
 
 	j_gl->gl_ops->go_inval(j_gl, DIO_METADATA);
 	if (gfs2_withdrawn(sdp)) {
@@ -750,11 +752,13 @@
 static int gfs2_freeze(struct super_block *sb)
 {
 	struct gfs2_sbd *sdp = sb->s_fs_info;
-	int error = 0;
+	int error;
 
 	mutex_lock(&sdp->sd_freeze_mutex);
-	if (atomic_read(&sdp->sd_freeze_state) != SFS_UNFROZEN)
+	if (atomic_read(&sdp->sd_freeze_state) != SFS_UNFROZEN) {
+		error = -EBUSY;
 		goto out;
+	}
 
 	for (;;) {
 		if (gfs2_withdrawn(sdp)) {
@@ -795,10 +799,10 @@
 	struct gfs2_sbd *sdp = sb->s_fs_info;
 
 	mutex_lock(&sdp->sd_freeze_mutex);
-        if (atomic_read(&sdp->sd_freeze_state) != SFS_FROZEN ||
+	if (atomic_read(&sdp->sd_freeze_state) != SFS_FROZEN ||
 	    !gfs2_holder_initialized(&sdp->sd_freeze_gh)) {
 		mutex_unlock(&sdp->sd_freeze_mutex);
-                return 0;
+		return -EINVAL;
 	}
 
 	gfs2_freeze_unlock(&sdp->sd_freeze_gh);
diff --git a/fs/hostfs/hostfs_kern.c b/fs/hostfs/hostfs_kern.c
index 29e4077..743a005a5 100644
--- a/fs/hostfs/hostfs_kern.c
+++ b/fs/hostfs/hostfs_kern.c
@@ -144,7 +144,7 @@
 	char *name, *resolved, *end;
 	int n;
 
-	name = __getname();
+	name = kmalloc(PATH_MAX, GFP_KERNEL);
 	if (!name) {
 		n = -ENOMEM;
 		goto out_free;
@@ -173,12 +173,11 @@
 		goto out_free;
 	}
 
-	__putname(name);
-	kfree(link);
+	kfree(name);
 	return resolved;
 
  out_free:
-	__putname(name);
+	kfree(name);
 	return ERR_PTR(n);
 }
 
diff --git a/fs/io-wq.c b/fs/io-wq.c
index 7434eb4..433c4d3c3 100644
--- a/fs/io-wq.c
+++ b/fs/io-wq.c
@@ -484,7 +484,7 @@
 	worker->flags |= (IO_WORKER_F_UP | IO_WORKER_F_RUNNING);
 	io_wqe_inc_running(worker);
 
-	sprintf(buf, "iou-wrk-%d", wq->task_pid);
+	snprintf(buf, sizeof(buf), "iou-wrk-%d", wq->task_pid);
 	set_task_comm(current, buf);
 
 	while (!test_bit(IO_WQ_BIT_EXIT, &wq->state)) {
@@ -711,7 +711,7 @@
 	char buf[TASK_COMM_LEN];
 	int node;
 
-	sprintf(buf, "iou-mgr-%d", wq->task_pid);
+	snprintf(buf, sizeof(buf), "iou-mgr-%d", wq->task_pid);
 	set_task_comm(current, buf);
 
 	do {
diff --git a/fs/io_uring.c b/fs/io_uring.c
index 1949b80..65a17d5 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -697,6 +697,7 @@
 	REQ_F_NO_FILE_TABLE_BIT,
 	REQ_F_LTIMEOUT_ACTIVE_BIT,
 	REQ_F_COMPLETE_INLINE_BIT,
+	REQ_F_REISSUE_BIT,
 
 	/* not a real bit, just to check we're not overflowing the space */
 	__REQ_F_LAST_BIT,
@@ -740,6 +741,8 @@
 	REQ_F_LTIMEOUT_ACTIVE	= BIT(REQ_F_LTIMEOUT_ACTIVE_BIT),
 	/* completion is deferred through io_comp_state */
 	REQ_F_COMPLETE_INLINE	= BIT(REQ_F_COMPLETE_INLINE_BIT),
+	/* caller should reissue async */
+	REQ_F_REISSUE		= BIT(REQ_F_REISSUE_BIT),
 };
 
 struct async_poll {
@@ -1213,7 +1216,7 @@
 	if (req->flags & REQ_F_ISREG) {
 		if (def->hash_reg_file || (ctx->flags & IORING_SETUP_IOPOLL))
 			io_wq_hash_work(&req->work, file_inode(req->file));
-	} else {
+	} else if (!req->file || !S_ISBLK(file_inode(req->file)->i_mode)) {
 		if (def->unbound_nonreg_file)
 			req->work.flags |= IO_WQ_WORK_UNBOUND;
 	}
@@ -2476,6 +2479,11 @@
 		return false;
 	return true;
 }
+#else
+static bool io_rw_should_reissue(struct io_kiocb *req)
+{
+	return false;
+}
 #endif
 
 static bool io_rw_reissue(struct io_kiocb *req)
@@ -2503,8 +2511,10 @@
 
 	if (req->rw.kiocb.ki_flags & IOCB_WRITE)
 		kiocb_end_write(req);
-	if ((res == -EAGAIN || res == -EOPNOTSUPP) && io_rw_reissue(req))
+	if ((res == -EAGAIN || res == -EOPNOTSUPP) && io_rw_should_reissue(req)) {
+		req->flags |= REQ_F_REISSUE;
 		return;
+	}
 	if (res != req->result)
 		req_set_fail_links(req);
 	if (req->flags & REQ_F_BUFFER_SELECTED)
@@ -3283,11 +3293,7 @@
 
 	ret = io_iter_do_read(req, iter);
 
-	if (ret == -EIOCBQUEUED) {
-		if (req->async_data)
-			iov_iter_revert(iter, io_size - iov_iter_count(iter));
-		goto out_free;
-	} else if (ret == -EAGAIN) {
+	if (ret == -EAGAIN || (req->flags & REQ_F_REISSUE)) {
 		/* IOPOLL retry should happen for io-wq threads */
 		if (!force_nonblock && !(req->ctx->flags & IORING_SETUP_IOPOLL))
 			goto done;
@@ -3297,6 +3303,8 @@
 		/* some cases will consume bytes even on error returns */
 		iov_iter_revert(iter, io_size - iov_iter_count(iter));
 		ret = 0;
+	} else if (ret == -EIOCBQUEUED) {
+		goto out_free;
 	} else if (ret <= 0 || ret == io_size || !force_nonblock ||
 		   (req->flags & REQ_F_NOWAIT) || !(req->flags & REQ_F_ISREG)) {
 		/* read all, failed, already did sync or don't want to retry */
@@ -3409,6 +3417,9 @@
 	else
 		ret2 = -EINVAL;
 
+	if (req->flags & REQ_F_REISSUE)
+		ret2 = -EAGAIN;
+
 	/*
 	 * Raw bdev writes will return -EOPNOTSUPP for IOCB_NOWAIT. Just
 	 * retry them without IOCB_NOWAIT.
@@ -3418,8 +3429,6 @@
 	/* no retry on NONBLOCK nor RWF_NOWAIT */
 	if (ret2 == -EAGAIN && (req->flags & REQ_F_NOWAIT))
 		goto done;
-	if (ret2 == -EIOCBQUEUED && req->async_data)
-		iov_iter_revert(iter, io_size - iov_iter_count(iter));
 	if (!force_nonblock || ret2 != -EAGAIN) {
 		/* IOPOLL retry should happen for io-wq threads */
 		if ((req->ctx->flags & IORING_SETUP_IOPOLL) && ret2 == -EAGAIN)
@@ -6164,6 +6173,7 @@
 		ret = -ECANCELED;
 
 	if (!ret) {
+		req->flags &= ~REQ_F_REISSUE;
 		do {
 			ret = io_issue_sqe(req, 0);
 			/*
@@ -6718,7 +6728,7 @@
 	char buf[TASK_COMM_LEN];
 	DEFINE_WAIT(wait);
 
-	sprintf(buf, "iou-sqp-%d", sqd->task_pid);
+	snprintf(buf, sizeof(buf), "iou-sqp-%d", sqd->task_pid);
 	set_task_comm(current, buf);
 	current->pf_io_worker = NULL;
 
@@ -6733,22 +6743,25 @@
 		int ret;
 		bool cap_entries, sqt_spin, needs_sched;
 
-		if (test_bit(IO_SQ_THREAD_SHOULD_PARK, &sqd->state)) {
+		if (test_bit(IO_SQ_THREAD_SHOULD_PARK, &sqd->state) ||
+		    signal_pending(current)) {
+			bool did_sig = false;
+
 			mutex_unlock(&sqd->lock);
+			if (signal_pending(current)) {
+				struct ksignal ksig;
+
+				did_sig = get_signal(&ksig);
+			}
 			cond_resched();
 			mutex_lock(&sqd->lock);
+			if (did_sig)
+				break;
 			io_run_task_work();
 			io_run_task_work_head(&sqd->park_task_work);
 			timeout = jiffies + sqd->sq_thread_idle;
 			continue;
 		}
-		if (signal_pending(current)) {
-			struct ksignal ksig;
-
-			if (!get_signal(&ksig))
-				continue;
-			break;
-		}
 		sqt_spin = false;
 		cap_entries = !list_is_singular(&sqd->ctx_list);
 		list_for_each_entry(ctx, &sqd->ctx_list, sqd_list) {
@@ -8603,9 +8616,9 @@
 			canceled++;
 		}
 	}
-	io_commit_cqring(ctx);
+	if (canceled != 0)
+		io_commit_cqring(ctx);
 	spin_unlock_irq(&ctx->completion_lock);
-
 	if (canceled != 0)
 		io_cqring_ev_posted(ctx);
 	return canceled != 0;
@@ -9002,6 +9015,8 @@
 
 	/* make sure overflow events are dropped */
 	atomic_inc(&tctx->in_idle);
+	__io_uring_files_cancel(NULL);
+
 	do {
 		/* read completions before cancelations */
 		inflight = tctx_inflight(tctx);
diff --git a/fs/namei.c b/fs/namei.c
index 216f16e..fc8760d 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -579,6 +579,8 @@
 	p->stack = p->internal;
 	p->dfd = dfd;
 	p->name = name;
+	p->path.mnt = NULL;
+	p->path.dentry = NULL;
 	p->total_link_count = old ? old->total_link_count : 0;
 	p->saved = old;
 	current->nameidata = p;
@@ -652,6 +654,8 @@
 		rcu_read_unlock();
 	}
 	nd->depth = 0;
+	nd->path.mnt = NULL;
+	nd->path.dentry = NULL;
 }
 
 /* path_put is needed afterwards regardless of success or failure */
@@ -2322,8 +2326,6 @@
 	}
 
 	nd->root.mnt = NULL;
-	nd->path.mnt = NULL;
-	nd->path.dentry = NULL;
 
 	/* Absolute pathname -- fetch the root (LOOKUP_IN_ROOT uses nd->dfd). */
 	if (*s == '/' && !(flags & LOOKUP_IN_ROOT)) {
diff --git a/fs/reiserfs/xattr.h b/fs/reiserfs/xattr.h
index 9b3b06d..e47fde1 100644
--- a/fs/reiserfs/xattr.h
+++ b/fs/reiserfs/xattr.h
@@ -44,7 +44,7 @@
 
 static inline int reiserfs_xattrs_initialized(struct super_block *sb)
 {
-	return REISERFS_SB(sb)->priv_root != NULL;
+	return REISERFS_SB(sb)->priv_root && REISERFS_SB(sb)->xattr_root;
 }
 
 #define xattr_size(size) ((size) + sizeof(struct reiserfs_xattr_header))
diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index fcdaab7..3bdcfc4 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -222,10 +222,14 @@
 void __acpi_unmap_table(void __iomem *map, unsigned long size);
 int early_acpi_boot_init(void);
 int acpi_boot_init (void);
+void acpi_boot_table_prepare (void);
 void acpi_boot_table_init (void);
 int acpi_mps_check (void);
 int acpi_numa_init (void);
 
+int acpi_locate_initial_tables (void);
+void acpi_reserve_initial_tables (void);
+void acpi_table_init_complete (void);
 int acpi_table_init (void);
 int acpi_table_parse(char *id, acpi_tbl_table_handler handler);
 int __init acpi_table_parse_entries(char *id, unsigned long table_size,
@@ -814,9 +818,12 @@
 	return 0;
 }
 
+static inline void acpi_boot_table_prepare(void)
+{
+}
+
 static inline void acpi_boot_table_init(void)
 {
-	return;
 }
 
 static inline int acpi_mps_check(void)
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index bc6bc83..158aefa 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -85,8 +85,6 @@
 #define RQF_ELVPRIV		((__force req_flags_t)(1 << 12))
 /* account into disk and partition IO statistics */
 #define RQF_IO_STAT		((__force req_flags_t)(1 << 13))
-/* request came from our alloc pool */
-#define RQF_ALLOCED		((__force req_flags_t)(1 << 14))
 /* runtime pm request */
 #define RQF_PM			((__force req_flags_t)(1 << 15))
 /* on IO scheduler merge hash */
diff --git a/include/linux/extcon.h b/include/linux/extcon.h
index fd183fb..0c19010 100644
--- a/include/linux/extcon.h
+++ b/include/linux/extcon.h
@@ -271,6 +271,29 @@
 				struct extcon_dev *edev, unsigned int id,
 				struct notifier_block *nb) { }
 
+static inline int extcon_register_notifier_all(struct extcon_dev *edev,
+					       struct notifier_block *nb)
+{
+	return 0;
+}
+
+static inline int extcon_unregister_notifier_all(struct extcon_dev *edev,
+						 struct notifier_block *nb)
+{
+	return 0;
+}
+
+static inline int devm_extcon_register_notifier_all(struct device *dev,
+						    struct extcon_dev *edev,
+						    struct notifier_block *nb)
+{
+	return 0;
+}
+
+static inline void devm_extcon_unregister_notifier_all(struct device *dev,
+						       struct extcon_dev *edev,
+						       struct notifier_block *nb) { }
+
 static inline struct extcon_dev *extcon_get_extcon_dev(const char *extcon_name)
 {
 	return ERR_PTR(-ENODEV);
diff --git a/include/linux/firmware/intel/stratix10-svc-client.h b/include/linux/firmware/intel/stratix10-svc-client.h
index ebc2956..19781b0f 100644
--- a/include/linux/firmware/intel/stratix10-svc-client.h
+++ b/include/linux/firmware/intel/stratix10-svc-client.h
@@ -56,7 +56,7 @@
  * COMMAND_RECONFIG_FLAG_PARTIAL:
  * Set to FPGA configuration type (full or partial).
  */
-#define COMMAND_RECONFIG_FLAG_PARTIAL	1
+#define COMMAND_RECONFIG_FLAG_PARTIAL	0
 
 /*
  * Timeout settings for service clients:
diff --git a/include/linux/host1x.h b/include/linux/host1x.h
index ce59a6a..9eb77c8 100644
--- a/include/linux/host1x.h
+++ b/include/linux/host1x.h
@@ -320,7 +320,14 @@
 int host1x_device_init(struct host1x_device *device);
 int host1x_device_exit(struct host1x_device *device);
 
-int host1x_client_register(struct host1x_client *client);
+int __host1x_client_register(struct host1x_client *client,
+			     struct lock_class_key *key);
+#define host1x_client_register(class) \
+	({ \
+		static struct lock_class_key __key; \
+		__host1x_client_register(class, &__key); \
+	})
+
 int host1x_client_unregister(struct host1x_client *client);
 
 int host1x_client_suspend(struct host1x_client *client);
diff --git a/include/linux/qcom-geni-se.h b/include/linux/qcom-geni-se.h
index ec2ad4b..c4fdb44 100644
--- a/include/linux/qcom-geni-se.h
+++ b/include/linux/qcom-geni-se.h
@@ -460,7 +460,5 @@
 int geni_icc_enable(struct geni_se *se);
 
 int geni_icc_disable(struct geni_se *se);
-
-void geni_remove_earlycon_icc_vote(void);
 #endif
 #endif
diff --git a/include/linux/xarray.h b/include/linux/xarray.h
index 92c0160..a91e3d9 100644
--- a/include/linux/xarray.h
+++ b/include/linux/xarray.h
@@ -229,9 +229,10 @@
  *
  * This structure is used either directly or via the XA_LIMIT() macro
  * to communicate the range of IDs that are valid for allocation.
- * Two common ranges are predefined for you:
+ * Three common ranges are predefined for you:
  * * xa_limit_32b	- [0 - UINT_MAX]
  * * xa_limit_31b	- [0 - INT_MAX]
+ * * xa_limit_16b	- [0 - USHRT_MAX]
  */
 struct xa_limit {
 	u32 max;
@@ -242,6 +243,7 @@
 
 #define xa_limit_32b	XA_LIMIT(0, UINT_MAX)
 #define xa_limit_31b	XA_LIMIT(0, INT_MAX)
+#define xa_limit_16b	XA_LIMIT(0, USHRT_MAX)
 
 typedef unsigned __bitwise xa_mark_t;
 #define XA_MARK_0		((__force xa_mark_t)0U)
diff --git a/include/scsi/scsi_transport_iscsi.h b/include/scsi/scsi_transport_iscsi.h
index 8a26a2f..fc5a398 100644
--- a/include/scsi/scsi_transport_iscsi.h
+++ b/include/scsi/scsi_transport_iscsi.h
@@ -193,6 +193,7 @@
 	ISCSI_CONN_UP = 0,
 	ISCSI_CONN_DOWN,
 	ISCSI_CONN_FAILED,
+	ISCSI_CONN_BOUND,
 };
 
 struct iscsi_cls_conn {
diff --git a/include/uapi/linux/blkpg.h b/include/uapi/linux/blkpg.h
index ac6474e..d0a64ee 100644
--- a/include/uapi/linux/blkpg.h
+++ b/include/uapi/linux/blkpg.h
@@ -2,29 +2,6 @@
 #ifndef _UAPI__LINUX_BLKPG_H
 #define _UAPI__LINUX_BLKPG_H
 
-/*
- * Partition table and disk geometry handling
- *
- * A single ioctl with lots of subfunctions:
- *
- * Device number stuff:
- *    get_whole_disk()		(given the device number of a partition,
- *                               find the device number of the encompassing disk)
- *    get_all_partitions()	(given the device number of a disk, return the
- *				 device numbers of all its known partitions)
- *
- * Partition stuff:
- *    add_partition()
- *    delete_partition()
- *    test_partition_in_use()	(also for test_disk_in_use)
- *
- * Geometry stuff:
- *    get_geometry()
- *    set_geometry()
- *    get_bios_drivedata()
- *
- * For today, only the partition stuff - aeb, 990515
- */
 #include <linux/compiler.h>
 #include <linux/ioctl.h>
 
@@ -52,9 +29,8 @@
 	long long start;		/* starting offset in bytes */
 	long long length;		/* length in bytes */
 	int pno;			/* partition number */
-	char devname[BLKPG_DEVNAMELTH];	/* partition name, like sda5 or c0d1p2,
-					   to be used in kernel messages */
-	char volname[BLKPG_VOLNAMELTH];	/* volume label */
+	char devname[BLKPG_DEVNAMELTH];	/* unused / ignored */
+	char volname[BLKPG_VOLNAMELTH];	/* unused / ignore */
 };
 
 #endif /* _UAPI__LINUX_BLKPG_H */
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index b7e29db..3ba52d4 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -3231,7 +3231,8 @@
 	pg = start_pg;
 	while (pg) {
 		order = get_count_order(pg->size / ENTRIES_PER_PAGE);
-		free_pages((unsigned long)pg->records, order);
+		if (order >= 0)
+			free_pages((unsigned long)pg->records, order);
 		start_pg = pg->next;
 		kfree(pg);
 		pg = start_pg;
@@ -6451,7 +6452,8 @@
 		clear_mod_from_hashes(pg);
 
 		order = get_count_order(pg->size / ENTRIES_PER_PAGE);
-		free_pages((unsigned long)pg->records, order);
+		if (order >= 0)
+			free_pages((unsigned long)pg->records, order);
 		tmp_page = pg->next;
 		kfree(pg);
 		ftrace_number_of_pages -= 1 << order;
@@ -6811,7 +6813,8 @@
 		if (!pg->index) {
 			*last_pg = pg->next;
 			order = get_count_order(pg->size / ENTRIES_PER_PAGE);
-			free_pages((unsigned long)pg->records, order);
+			if (order >= 0)
+				free_pages((unsigned long)pg->records, order);
 			ftrace_number_of_pages -= 1 << order;
 			ftrace_number_of_groups--;
 			kfree(pg);
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index eccb4e1..5c77762 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -2984,7 +2984,8 @@
 
 	size = nr_entries * sizeof(unsigned long);
 	event = __trace_buffer_lock_reserve(buffer, TRACE_STACK,
-					    sizeof(*entry) + size, trace_ctx);
+				    (sizeof(*entry) - sizeof(entry->caller)) + size,
+				    trace_ctx);
 	if (!event)
 		goto out;
 	entry = ring_buffer_event_data(event);
diff --git a/kernel/watchdog.c b/kernel/watchdog.c
index 7110906..107bc38 100644
--- a/kernel/watchdog.c
+++ b/kernel/watchdog.c
@@ -278,9 +278,10 @@
 	 * update as well, the only side effect might be a cycle delay for
 	 * the softlockup check.
 	 */
-	for_each_cpu(cpu, &watchdog_allowed_mask)
+	for_each_cpu(cpu, &watchdog_allowed_mask) {
 		per_cpu(watchdog_touch_ts, cpu) = SOFTLOCKUP_RESET;
-	wq_watchdog_touch(-1);
+		wq_watchdog_touch(cpu);
+	}
 }
 
 void touch_softlockup_watchdog_sync(void)
diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index 0d150da..79f2319 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -1412,7 +1412,6 @@
 	 */
 	lockdep_assert_irqs_disabled();
 
-	debug_work_activate(work);
 
 	/* if draining, only works from the same workqueue are allowed */
 	if (unlikely(wq->flags & __WQ_DRAINING) &&
@@ -1494,6 +1493,7 @@
 		worklist = &pwq->delayed_works;
 	}
 
+	debug_work_activate(work);
 	insert_work(pwq, work, worklist, work_flags);
 
 out:
@@ -5787,22 +5787,17 @@
 			continue;
 
 		/* get the latest of pool and touched timestamps */
+		if (pool->cpu >= 0)
+			touched = READ_ONCE(per_cpu(wq_watchdog_touched_cpu, pool->cpu));
+		else
+			touched = READ_ONCE(wq_watchdog_touched);
 		pool_ts = READ_ONCE(pool->watchdog_ts);
-		touched = READ_ONCE(wq_watchdog_touched);
 
 		if (time_after(pool_ts, touched))
 			ts = pool_ts;
 		else
 			ts = touched;
 
-		if (pool->cpu >= 0) {
-			unsigned long cpu_touched =
-				READ_ONCE(per_cpu(wq_watchdog_touched_cpu,
-						  pool->cpu));
-			if (time_after(cpu_touched, ts))
-				ts = cpu_touched;
-		}
-
 		/* did we stall? */
 		if (time_after(jiffies, ts + thresh)) {
 			lockup_detected = true;
@@ -5826,8 +5821,8 @@
 {
 	if (cpu >= 0)
 		per_cpu(wq_watchdog_touched_cpu, cpu) = jiffies;
-	else
-		wq_watchdog_touched = jiffies;
+
+	wq_watchdog_touched = jiffies;
 }
 
 static void wq_watchdog_set_thresh(unsigned long thresh)
diff --git a/lib/test_xarray.c b/lib/test_xarray.c
index 8294f43..8b1c318 100644
--- a/lib/test_xarray.c
+++ b/lib/test_xarray.c
@@ -1530,24 +1530,24 @@
 
 #ifdef CONFIG_XARRAY_MULTI
 static void check_split_1(struct xarray *xa, unsigned long index,
-							unsigned int order)
+				unsigned int order, unsigned int new_order)
 {
-	XA_STATE(xas, xa, index);
-	void *entry;
-	unsigned int i = 0;
+	XA_STATE_ORDER(xas, xa, index, new_order);
+	unsigned int i;
 
 	xa_store_order(xa, index, order, xa, GFP_KERNEL);
 
 	xas_split_alloc(&xas, xa, order, GFP_KERNEL);
 	xas_lock(&xas);
 	xas_split(&xas, xa, order);
+	for (i = 0; i < (1 << order); i += (1 << new_order))
+		__xa_store(xa, index + i, xa_mk_index(index + i), 0);
 	xas_unlock(&xas);
 
-	xa_for_each(xa, index, entry) {
-		XA_BUG_ON(xa, entry != xa);
-		i++;
+	for (i = 0; i < (1 << order); i++) {
+		unsigned int val = index + (i & ~((1 << new_order) - 1));
+		XA_BUG_ON(xa, xa_load(xa, index + i) != xa_mk_index(val));
 	}
-	XA_BUG_ON(xa, i != 1 << order);
 
 	xa_set_mark(xa, index, XA_MARK_0);
 	XA_BUG_ON(xa, !xa_get_mark(xa, index, XA_MARK_0));
@@ -1557,14 +1557,16 @@
 
 static noinline void check_split(struct xarray *xa)
 {
-	unsigned int order;
+	unsigned int order, new_order;
 
 	XA_BUG_ON(xa, !xa_empty(xa));
 
 	for (order = 1; order < 2 * XA_CHUNK_SHIFT; order++) {
-		check_split_1(xa, 0, order);
-		check_split_1(xa, 1UL << order, order);
-		check_split_1(xa, 3UL << order, order);
+		for (new_order = 0; new_order < order; new_order++) {
+			check_split_1(xa, 0, order, new_order);
+			check_split_1(xa, 1UL << order, order, new_order);
+			check_split_1(xa, 3UL << order, order, new_order);
+		}
 	}
 }
 #else
diff --git a/lib/xarray.c b/lib/xarray.c
index 5fa5161..f5d8f549 100644
--- a/lib/xarray.c
+++ b/lib/xarray.c
@@ -987,7 +987,7 @@
  * xas_split_alloc() - Allocate memory for splitting an entry.
  * @xas: XArray operation state.
  * @entry: New entry which will be stored in the array.
- * @order: New entry order.
+ * @order: Current entry order.
  * @gfp: Memory allocation flags.
  *
  * This function should be called before calling xas_split().
@@ -1011,7 +1011,7 @@
 
 	do {
 		unsigned int i;
-		void *sibling;
+		void *sibling = NULL;
 		struct xa_node *node;
 
 		node = kmem_cache_alloc(radix_tree_node_cachep, gfp);
@@ -1021,7 +1021,7 @@
 		for (i = 0; i < XA_CHUNK_SIZE; i++) {
 			if ((i & mask) == 0) {
 				RCU_INIT_POINTER(node->slots[i], entry);
-				sibling = xa_mk_sibling(0);
+				sibling = xa_mk_sibling(i);
 			} else {
 				RCU_INIT_POINTER(node->slots[i], sibling);
 			}
@@ -1041,9 +1041,10 @@
  * xas_split() - Split a multi-index entry into smaller entries.
  * @xas: XArray operation state.
  * @entry: New entry to store in the array.
- * @order: New entry order.
+ * @order: Current entry order.
  *
- * The value in the entry is copied to all the replacement entries.
+ * The size of the new entries is set in @xas.  The value in @entry is
+ * copied to all the replacement entries.
  *
  * Context: Any context.  The caller should hold the xa_lock.
  */
diff --git a/mm/memory.c b/mm/memory.c
index 5efa07f..550405f 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -166,7 +166,7 @@
 	zero_pfn = page_to_pfn(ZERO_PAGE(0));
 	return 0;
 }
-core_initcall(init_zero_pfn);
+early_initcall(init_zero_pfn);
 
 void mm_trace_rss_stat(struct mm_struct *mm, int member, long count)
 {
diff --git a/scripts/module.lds.S b/scripts/module.lds.S
index 168cd27..2c52535 100644
--- a/scripts/module.lds.S
+++ b/scripts/module.lds.S
@@ -20,6 +20,7 @@
 
 	__patchable_function_entries : { *(__patchable_function_entries) }
 
+#ifdef CONFIG_LTO_CLANG
 	/*
 	 * With CONFIG_LTO_CLANG, LLD always enables -fdata-sections and
 	 * -ffunction-sections, which increases the size of the final module.
@@ -41,6 +42,7 @@
 	}
 
 	.text : { *(.text .text.[0-9a-zA-Z_]*) }
+#endif
 }
 
 /* bring in arch-specific sections */
diff --git a/security/tomoyo/network.c b/security/tomoyo/network.c
index 478f757..8dc6133 100644
--- a/security/tomoyo/network.c
+++ b/security/tomoyo/network.c
@@ -613,7 +613,7 @@
 static bool tomoyo_kernel_service(void)
 {
 	/* Nothing to do if I am a kernel service. */
-	return (current->flags & (PF_KTHREAD | PF_IO_WORKER)) == PF_KTHREAD;
+	return current->flags & PF_KTHREAD;
 }
 
 /**
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index b59b0f3..79ade33 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -989,8 +989,12 @@
 	struct snd_card *card = dev_get_drvdata(dev);
 	struct azx *chip;
 
+	if (!azx_is_pm_ready(card))
+		return 0;
+
 	chip = card->private_data;
 	chip->pm_prepared = 1;
+	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
 
 	flush_work(&azx_bus(chip)->unsol_work);
 
@@ -1005,7 +1009,11 @@
 	struct snd_card *card = dev_get_drvdata(dev);
 	struct azx *chip;
 
+	if (!azx_is_pm_ready(card))
+		return;
+
 	chip = card->private_data;
+	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
 	chip->pm_prepared = 0;
 }
 
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 316b9b4..58946d0 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -5256,7 +5256,7 @@
 	case 0x10ec0274:
 	case 0x10ec0294:
 		alc_process_coef_fw(codec, coef0274);
-		msleep(80);
+		msleep(850);
 		val = alc_read_coef_idx(codec, 0x46);
 		is_ctia = (val & 0x00f0) == 0x00f0;
 		break;
@@ -5440,6 +5440,7 @@
 				       struct hda_jack_callback *jack)
 {
 	snd_hda_gen_hp_automute(codec, jack);
+	alc_update_headset_mode(codec);
 }
 
 static void alc_probe_headset_mode(struct hda_codec *codec)
@@ -8057,6 +8058,7 @@
 		      ALC285_FIXUP_HP_GPIO_AMP_INIT),
 	SND_PCI_QUIRK(0x103c, 0x87c8, "HP", ALC287_FIXUP_HP_GPIO_LED),
 	SND_PCI_QUIRK(0x103c, 0x87e5, "HP ProBook 440 G8 Notebook PC", ALC236_FIXUP_HP_GPIO_LED),
+	SND_PCI_QUIRK(0x103c, 0x87f2, "HP ProBook 640 G8 Notebook PC", ALC236_FIXUP_HP_GPIO_LED),
 	SND_PCI_QUIRK(0x103c, 0x87f4, "HP", ALC287_FIXUP_HP_GPIO_LED),
 	SND_PCI_QUIRK(0x103c, 0x87f5, "HP", ALC287_FIXUP_HP_GPIO_LED),
 	SND_PCI_QUIRK(0x103c, 0x87f7, "HP Spectre x360 14", ALC245_FIXUP_HP_X360_AMP),
diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index d3001fb..176437a 100644
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -1521,6 +1521,7 @@
 	case USB_ID(0x21b4, 0x0081): /* AudioQuest DragonFly */
 	case USB_ID(0x2912, 0x30c8): /* Audioengine D1 */
 	case USB_ID(0x413c, 0xa506): /* Dell AE515 sound bar */
+	case USB_ID(0x046d, 0x084c): /* Logitech ConferenceCam Connect */
 		return true;
 	}
 
diff --git a/tools/kvm/kvm_stat/kvm_stat.service b/tools/kvm/kvm_stat/kvm_stat.service
index 71aabaf..8f13b84 100644
--- a/tools/kvm/kvm_stat/kvm_stat.service
+++ b/tools/kvm/kvm_stat/kvm_stat.service
@@ -9,6 +9,7 @@
 ExecStart=/usr/bin/kvm_stat -dtcz -s 10 -L /var/log/kvm_stat.csv
 ExecReload=/bin/kill -HUP $MAINPID
 Restart=always
+RestartSec=60s
 SyslogIdentifier=kvm_stat
 SyslogLevel=debug
 
diff --git a/tools/testing/radix-tree/idr-test.c b/tools/testing/radix-tree/idr-test.c
index 3b796dd..ca24f68 100644
--- a/tools/testing/radix-tree/idr-test.c
+++ b/tools/testing/radix-tree/idr-test.c
@@ -296,21 +296,34 @@
 	return NULL;
 }
 
+/*
+ * There are always either 1 or 2 objects in the IDR.  If we find nothing,
+ * or we find something at an ID we didn't expect, that's a bug.
+ */
 void idr_find_test_1(int anchor_id, int throbber_id)
 {
 	pthread_t throbber;
 	time_t start = time(NULL);
 
-	pthread_create(&throbber, NULL, idr_throbber, &throbber_id);
-
 	BUG_ON(idr_alloc(&find_idr, xa_mk_value(anchor_id), anchor_id,
 				anchor_id + 1, GFP_KERNEL) != anchor_id);
 
+	pthread_create(&throbber, NULL, idr_throbber, &throbber_id);
+
+	rcu_read_lock();
 	do {
 		int id = 0;
 		void *entry = idr_get_next(&find_idr, &id);
-		BUG_ON(entry != xa_mk_value(id));
+		rcu_read_unlock();
+		if ((id != anchor_id && id != throbber_id) ||
+		    entry != xa_mk_value(id)) {
+			printf("%s(%d, %d): %p at %d\n", __func__, anchor_id,
+				throbber_id, entry, id);
+			abort();
+		}
+		rcu_read_lock();
 	} while (time(NULL) < start + 11);
+	rcu_read_unlock();
 
 	pthread_join(throbber, NULL);
 
@@ -577,6 +590,7 @@
 
 int __weak main(void)
 {
+	rcu_register_thread();
 	radix_tree_init();
 	idr_checks();
 	ida_tests();
@@ -584,5 +598,6 @@
 	rcu_barrier();
 	if (nr_allocated)
 		printf("nr_allocated = %d\n", nr_allocated);
+	rcu_unregister_thread();
 	return 0;
 }
diff --git a/tools/testing/radix-tree/linux/compiler_types.h b/tools/testing/radix-tree/linux/compiler_types.h
deleted file mode 100644
index e69de29..0000000
--- a/tools/testing/radix-tree/linux/compiler_types.h
+++ /dev/null
diff --git a/tools/testing/radix-tree/multiorder.c b/tools/testing/radix-tree/multiorder.c
index 9eae0fb..e00520c 100644
--- a/tools/testing/radix-tree/multiorder.c
+++ b/tools/testing/radix-tree/multiorder.c
@@ -224,7 +224,9 @@
 
 int __weak main(void)
 {
+	rcu_register_thread();
 	radix_tree_init();
 	multiorder_checks();
+	rcu_unregister_thread();
 	return 0;
 }
diff --git a/tools/testing/radix-tree/xarray.c b/tools/testing/radix-tree/xarray.c
index e61e43e..f20e12c 100644
--- a/tools/testing/radix-tree/xarray.c
+++ b/tools/testing/radix-tree/xarray.c
@@ -25,11 +25,13 @@
 
 int __weak main(void)
 {
+	rcu_register_thread();
 	radix_tree_init();
 	xarray_tests();
 	radix_tree_cpu_dead(1);
 	rcu_barrier();
 	if (nr_allocated)
 		printf("nr_allocated = %d\n", nr_allocated);
+	rcu_unregister_thread();
 	return 0;
 }
diff --git a/tools/testing/selftests/kvm/hardware_disable_test.c b/tools/testing/selftests/kvm/hardware_disable_test.c
index 2f2eeb8..5aadf84 100644
--- a/tools/testing/selftests/kvm/hardware_disable_test.c
+++ b/tools/testing/selftests/kvm/hardware_disable_test.c
@@ -108,7 +108,7 @@
 	kvm_vm_elf_load(vm, program_invocation_name, 0, 0);
 	vm_create_irqchip(vm);
 
-	fprintf(stderr, "%s: [%d] start vcpus\n", __func__, run);
+	pr_debug("%s: [%d] start vcpus\n", __func__, run);
 	for (i = 0; i < VCPU_NUM; ++i) {
 		vm_vcpu_add_default(vm, i, guest_code);
 		payloads[i].vm = vm;
@@ -124,7 +124,7 @@
 			check_set_affinity(throw_away, &cpu_set);
 		}
 	}
-	fprintf(stderr, "%s: [%d] all threads launched\n", __func__, run);
+	pr_debug("%s: [%d] all threads launched\n", __func__, run);
 	sem_post(sem);
 	for (i = 0; i < VCPU_NUM; ++i)
 		check_join(threads[i], &b);
@@ -147,16 +147,16 @@
 		if (pid == 0)
 			run_test(i); /* This function always exits */
 
-		fprintf(stderr, "%s: [%d] waiting semaphore\n", __func__, i);
+		pr_debug("%s: [%d] waiting semaphore\n", __func__, i);
 		sem_wait(sem);
 		r = (rand() % DELAY_US_MAX) + 1;
-		fprintf(stderr, "%s: [%d] waiting %dus\n", __func__, i, r);
+		pr_debug("%s: [%d] waiting %dus\n", __func__, i, r);
 		usleep(r);
 		r = waitpid(pid, &s, WNOHANG);
 		TEST_ASSERT(r != pid,
 			    "%s: [%d] child exited unexpectedly status: [%d]",
 			    __func__, i, s);
-		fprintf(stderr, "%s: [%d] killing child\n", __func__, i);
+		pr_debug("%s: [%d] killing child\n", __func__, i);
 		kill(pid, SIGKILL);
 	}
 
diff --git a/tools/testing/selftests/kvm/x86_64/hyperv_clock.c b/tools/testing/selftests/kvm/x86_64/hyperv_clock.c
index ffbc455..7f1d276 100644
--- a/tools/testing/selftests/kvm/x86_64/hyperv_clock.c
+++ b/tools/testing/selftests/kvm/x86_64/hyperv_clock.c
@@ -80,19 +80,24 @@
 	GUEST_ASSERT(delta_ns * 100 < (t2 - t1) * 100);
 }
 
+static inline u64 get_tscpage_ts(struct ms_hyperv_tsc_page *tsc_page)
+{
+	return mul_u64_u64_shr64(rdtsc(), tsc_page->tsc_scale) + tsc_page->tsc_offset;
+}
+
 static inline void check_tsc_msr_tsc_page(struct ms_hyperv_tsc_page *tsc_page)
 {
 	u64 r1, r2, t1, t2;
 
 	/* Compare TSC page clocksource with HV_X64_MSR_TIME_REF_COUNT */
-	t1 = mul_u64_u64_shr64(rdtsc(), tsc_page->tsc_scale) + tsc_page->tsc_offset;
+	t1 = get_tscpage_ts(tsc_page);
 	r1 = rdmsr(HV_X64_MSR_TIME_REF_COUNT);
 
 	/* 10 ms tolerance */
 	GUEST_ASSERT(r1 >= t1 && r1 - t1 < 100000);
 	nop_loop();
 
-	t2 = mul_u64_u64_shr64(rdtsc(), tsc_page->tsc_scale) + tsc_page->tsc_offset;
+	t2 = get_tscpage_ts(tsc_page);
 	r2 = rdmsr(HV_X64_MSR_TIME_REF_COUNT);
 	GUEST_ASSERT(r2 >= t1 && r2 - t2 < 100000);
 }
@@ -130,7 +135,11 @@
 
 	tsc_offset = tsc_page->tsc_offset;
 	/* Call KVM_SET_CLOCK from userspace, check that TSC page was updated */
+
 	GUEST_SYNC(7);
+	/* Sanity check TSC page timestamp, it should be close to 0 */
+	GUEST_ASSERT(get_tscpage_ts(tsc_page) < 100000);
+
 	GUEST_ASSERT(tsc_page->tsc_offset != tsc_offset);
 
 	nop_loop();