diff --git a/tools/arch/arm64/include/uapi/asm/kvm.h b/tools/arch/arm64/include/uapi/asm/kvm.h
index 964df31da9751..66736ff04011e 100644
--- a/tools/arch/arm64/include/uapi/asm/kvm.h
+++ b/tools/arch/arm64/include/uapi/asm/kvm.h
@@ -484,6 +484,12 @@ enum {
  */
 #define KVM_SYSTEM_EVENT_RESET_FLAG_PSCI_RESET2	(1ULL << 0)
 
+/*
+ * Shutdown caused by a PSCI v1.3 SYSTEM_OFF2 call.
+ * Valid only when the system event has a type of KVM_SYSTEM_EVENT_SHUTDOWN.
+ */
+#define KVM_SYSTEM_EVENT_SHUTDOWN_FLAG_PSCI_OFF2	(1ULL << 0)
+
 /* run->fail_entry.hardware_entry_failure_reason codes. */
 #define KVM_EXIT_FAIL_ENTRY_CPU_UNSUPPORTED	(1ULL << 0)
 
diff --git a/tools/arch/x86/include/asm/cpufeatures.h b/tools/arch/x86/include/asm/cpufeatures.h
index 23698d0f4bb47..17b6590748c00 100644
--- a/tools/arch/x86/include/asm/cpufeatures.h
+++ b/tools/arch/x86/include/asm/cpufeatures.h
@@ -215,7 +215,7 @@
 #define X86_FEATURE_SPEC_STORE_BYPASS_DISABLE	( 7*32+23) /* Disable Speculative Store Bypass. */
 #define X86_FEATURE_LS_CFG_SSBD		( 7*32+24)  /* AMD SSBD implementation via LS_CFG MSR */
 #define X86_FEATURE_IBRS		( 7*32+25) /* "ibrs" Indirect Branch Restricted Speculation */
-#define X86_FEATURE_IBPB		( 7*32+26) /* "ibpb" Indirect Branch Prediction Barrier */
+#define X86_FEATURE_IBPB		( 7*32+26) /* "ibpb" Indirect Branch Prediction Barrier without a guaranteed RSB flush */
 #define X86_FEATURE_STIBP		( 7*32+27) /* "stibp" Single Thread Indirect Branch Predictors */
 #define X86_FEATURE_ZEN			( 7*32+28) /* Generic flag for all Zen and newer */
 #define X86_FEATURE_L1TF_PTEINV		( 7*32+29) /* L1TF workaround PTE inversion */
@@ -317,6 +317,9 @@
 #define X86_FEATURE_ZEN1		(11*32+31) /* CPU based on Zen1 microarchitecture */
 
 /* Intel-defined CPU features, CPUID level 0x00000007:1 (EAX), word 12 */
+#define X86_FEATURE_SHA512		(12*32+ 0) /* SHA512 instructions */
+#define X86_FEATURE_SM3			(12*32+ 1) /* SM3 instructions */
+#define X86_FEATURE_SM4			(12*32+ 2) /* SM4 instructions */
 #define X86_FEATURE_AVX_VNNI		(12*32+ 4) /* "avx_vnni" AVX VNNI instructions */
 #define X86_FEATURE_AVX512_BF16		(12*32+ 5) /* "avx512_bf16" AVX512 BFLOAT16 instructions */
 #define X86_FEATURE_CMPCCXADD           (12*32+ 7) /* CMPccXADD instructions */
@@ -348,6 +351,7 @@
 #define X86_FEATURE_CPPC		(13*32+27) /* "cppc" Collaborative Processor Performance Control */
 #define X86_FEATURE_AMD_PSFD            (13*32+28) /* Predictive Store Forwarding Disable */
 #define X86_FEATURE_BTC_NO		(13*32+29) /* Not vulnerable to Branch Type Confusion */
+#define X86_FEATURE_AMD_IBPB_RET	(13*32+30) /* IBPB clears return address predictor */
 #define X86_FEATURE_BRS			(13*32+31) /* "brs" Branch Sampling available */
 
 /* Thermal and Power Management Leaf, CPUID level 0x00000006 (EAX), word 14 */
@@ -472,7 +476,9 @@
 #define X86_FEATURE_BHI_CTRL		(21*32+ 2) /* BHI_DIS_S HW control available */
 #define X86_FEATURE_CLEAR_BHB_HW	(21*32+ 3) /* BHI_DIS_S HW control enabled */
 #define X86_FEATURE_CLEAR_BHB_LOOP_ON_VMEXIT (21*32+ 4) /* Clear branch history at vmexit using SW loop */
-#define X86_FEATURE_AMD_FAST_CPPC		(21*32 + 5) /* AMD Fast CPPC */
+#define X86_FEATURE_AMD_FAST_CPPC	(21*32 + 5) /* Fast CPPC */
+#define X86_FEATURE_AMD_HETEROGENEOUS_CORES (21*32 + 6) /* Heterogeneous Core Topology */
+#define X86_FEATURE_AMD_WORKLOAD_CLASS	(21*32 + 7) /* Workload Classification */
 
 /*
  * BUG word(s)
@@ -523,4 +529,5 @@
 #define X86_BUG_DIV0			X86_BUG(1*32 + 1) /* "div0" AMD DIV0 speculation bug */
 #define X86_BUG_RFDS			X86_BUG(1*32 + 2) /* "rfds" CPU is vulnerable to Register File Data Sampling */
 #define X86_BUG_BHI			X86_BUG(1*32 + 3) /* "bhi" CPU is affected by Branch History Injection */
+#define X86_BUG_IBPB_NO_RET	   	X86_BUG(1*32 + 4) /* "ibpb_no_ret" IBPB omits return target predictions */
 #endif /* _ASM_X86_CPUFEATURES_H */
diff --git a/tools/arch/x86/include/uapi/asm/kvm.h b/tools/arch/x86/include/uapi/asm/kvm.h
index a8debbf2f7028..88585c1de416f 100644
--- a/tools/arch/x86/include/uapi/asm/kvm.h
+++ b/tools/arch/x86/include/uapi/asm/kvm.h
@@ -440,6 +440,7 @@ struct kvm_sync_regs {
 #define KVM_X86_QUIRK_FIX_HYPERCALL_INSN	(1 << 5)
 #define KVM_X86_QUIRK_MWAIT_NEVER_UD_FAULTS	(1 << 6)
 #define KVM_X86_QUIRK_SLOT_ZAP_ALL		(1 << 7)
+#define KVM_X86_QUIRK_STUFF_FEATURE_MSRS	(1 << 8)
 
 #define KVM_STATE_NESTED_FORMAT_VMX	0
 #define KVM_STATE_NESTED_FORMAT_SVM	1
diff --git a/tools/include/uapi/asm-generic/mman.h b/tools/include/uapi/asm-generic/mman.h
index 406f7718f9ad0..51d2556af54ac 100644
--- a/tools/include/uapi/asm-generic/mman.h
+++ b/tools/include/uapi/asm-generic/mman.h
@@ -19,4 +19,8 @@
 #define MCL_FUTURE	2		/* lock all future mappings */
 #define MCL_ONFAULT	4		/* lock all pages that are faulted in */
 
+#define SHADOW_STACK_SET_TOKEN (1ULL << 0)     /* Set up a restore token in the shadow stack */
+#define SHADOW_STACK_SET_MARKER (1ULL << 1)     /* Set up a top of stack marker in the shadow stack */
+
+
 #endif /* __ASM_GENERIC_MMAN_H */
diff --git a/tools/include/uapi/asm-generic/unistd.h b/tools/include/uapi/asm-generic/unistd.h
index 5bf6148cac2b9..88dc393c2bca3 100644
--- a/tools/include/uapi/asm-generic/unistd.h
+++ b/tools/include/uapi/asm-generic/unistd.h
@@ -841,8 +841,17 @@ __SYSCALL(__NR_lsm_list_modules, sys_lsm_list_modules)
 #define __NR_mseal 462
 __SYSCALL(__NR_mseal, sys_mseal)
 
+#define __NR_setxattrat 463
+__SYSCALL(__NR_setxattrat, sys_setxattrat)
+#define __NR_getxattrat 464
+__SYSCALL(__NR_getxattrat, sys_getxattrat)
+#define __NR_listxattrat 465
+__SYSCALL(__NR_listxattrat, sys_listxattrat)
+#define __NR_removexattrat 466
+__SYSCALL(__NR_removexattrat, sys_removexattrat)
+
 #undef __NR_syscalls
-#define __NR_syscalls 463
+#define __NR_syscalls 467
 
 /*
  * 32 bit systems traditionally used different
diff --git a/tools/include/uapi/drm/drm.h b/tools/include/uapi/drm/drm.h
index 16122819edfef..7fba37b94401a 100644
--- a/tools/include/uapi/drm/drm.h
+++ b/tools/include/uapi/drm/drm.h
@@ -1024,6 +1024,13 @@ struct drm_crtc_queue_sequence {
 	__u64 user_data;	/* user data passed to event */
 };
 
+#define DRM_CLIENT_NAME_MAX_LEN		64
+struct drm_set_client_name {
+	__u64 name_len;
+	__u64 name;
+};
+
+
 #if defined(__cplusplus)
 }
 #endif
@@ -1288,6 +1295,16 @@ extern "C" {
  */
 #define DRM_IOCTL_MODE_CLOSEFB		DRM_IOWR(0xD0, struct drm_mode_closefb)
 
+/**
+ * DRM_IOCTL_SET_CLIENT_NAME - Attach a name to a drm_file
+ *
+ * Having a name allows for easier tracking and debugging.
+ * The length of the name (without null ending char) must be
+ * <= DRM_CLIENT_NAME_MAX_LEN.
+ * The call will fail if the name contains whitespaces or non-printable chars.
+ */
+#define DRM_IOCTL_SET_CLIENT_NAME	DRM_IOWR(0xD1, struct drm_set_client_name)
+
 /*
  * Device specific ioctls should only be in their respective headers
  * The device specific ioctl range is from 0x40 to 0x9f.
diff --git a/tools/include/uapi/linux/kvm.h b/tools/include/uapi/linux/kvm.h
index 637efc0551453..502ea63b5d2e7 100644
--- a/tools/include/uapi/linux/kvm.h
+++ b/tools/include/uapi/linux/kvm.h
@@ -1158,7 +1158,15 @@ enum kvm_device_type {
 #define KVM_DEV_TYPE_ARM_PV_TIME	KVM_DEV_TYPE_ARM_PV_TIME
 	KVM_DEV_TYPE_RISCV_AIA,
 #define KVM_DEV_TYPE_RISCV_AIA		KVM_DEV_TYPE_RISCV_AIA
+	KVM_DEV_TYPE_LOONGARCH_IPI,
+#define KVM_DEV_TYPE_LOONGARCH_IPI	KVM_DEV_TYPE_LOONGARCH_IPI
+	KVM_DEV_TYPE_LOONGARCH_EIOINTC,
+#define KVM_DEV_TYPE_LOONGARCH_EIOINTC	KVM_DEV_TYPE_LOONGARCH_EIOINTC
+	KVM_DEV_TYPE_LOONGARCH_PCHPIC,
+#define KVM_DEV_TYPE_LOONGARCH_PCHPIC	KVM_DEV_TYPE_LOONGARCH_PCHPIC
+
 	KVM_DEV_TYPE_MAX,
+
 };
 
 struct kvm_vfio_spapr_tce {
diff --git a/tools/include/uapi/linux/perf_event.h b/tools/include/uapi/linux/perf_event.h
index 4842c36fdf801..0524d541d4e3d 100644
--- a/tools/include/uapi/linux/perf_event.h
+++ b/tools/include/uapi/linux/perf_event.h
@@ -511,7 +511,16 @@ struct perf_event_attr {
 	__u16	sample_max_stack;
 	__u16	__reserved_2;
 	__u32	aux_sample_size;
-	__u32	__reserved_3;
+
+	union {
+		__u32	aux_action;
+		struct {
+			__u32	aux_start_paused :  1, /* start AUX area tracing paused */
+				aux_pause        :  1, /* on overflow, pause AUX area tracing */
+				aux_resume       :  1, /* on overflow, resume AUX area tracing */
+				__reserved_3     : 29;
+		};
+	};
 
 	/*
 	 * User provided data if sigtrap=1, passed back to user via
diff --git a/tools/lib/perf/evlist.c b/tools/lib/perf/evlist.c
index c6d67fc9e57ef..83c43dc13313c 100644
--- a/tools/lib/perf/evlist.c
+++ b/tools/lib/perf/evlist.c
@@ -47,6 +47,20 @@ static void __perf_evlist__propagate_maps(struct perf_evlist *evlist,
 		 */
 		perf_cpu_map__put(evsel->cpus);
 		evsel->cpus = perf_cpu_map__intersect(evlist->user_requested_cpus, evsel->own_cpus);
+
+		/*
+		 * Empty cpu lists would eventually get opened as "any" so remove
+		 * genuinely empty ones before they're opened in the wrong place.
+		 */
+		if (perf_cpu_map__is_empty(evsel->cpus)) {
+			struct perf_evsel *next = perf_evlist__next(evlist, evsel);
+
+			perf_evlist__remove(evlist, evsel);
+			/* Keep idx contiguous */
+			if (next)
+				list_for_each_entry_from(next, &evlist->entries, node)
+					next->idx--;
+		}
 	} else if (!evsel->own_cpus || evlist->has_user_cpus ||
 		(!evsel->requires_cpu && perf_cpu_map__has_any_cpu(evlist->user_requested_cpus))) {
 		/*
@@ -80,11 +94,11 @@ static void __perf_evlist__propagate_maps(struct perf_evlist *evlist,
 
 static void perf_evlist__propagate_maps(struct perf_evlist *evlist)
 {
-	struct perf_evsel *evsel;
+	struct perf_evsel *evsel, *n;
 
 	evlist->needs_map_propagation = true;
 
-	perf_evlist__for_each_evsel(evlist, evsel)
+	list_for_each_entry_safe(evsel, n, &evlist->entries, node)
 		__perf_evlist__propagate_maps(evlist, evsel);
 }
 
diff --git a/tools/perf/arch/mips/entry/syscalls/syscall_n64.tbl b/tools/perf/arch/mips/entry/syscalls/syscall_n64.tbl
index 1464c6be6eb3c..c844cd5cda620 100644
--- a/tools/perf/arch/mips/entry/syscalls/syscall_n64.tbl
+++ b/tools/perf/arch/mips/entry/syscalls/syscall_n64.tbl
@@ -377,3 +377,7 @@
 460	n64	lsm_set_self_attr		sys_lsm_set_self_attr
 461	n64	lsm_list_modules		sys_lsm_list_modules
 462	n64	mseal				sys_mseal
+463	n64	setxattrat			sys_setxattrat
+464	n64	getxattrat			sys_getxattrat
+465	n64	listxattrat			sys_listxattrat
+466	n64	removexattrat			sys_removexattrat
diff --git a/tools/perf/arch/powerpc/entry/syscalls/syscall.tbl b/tools/perf/arch/powerpc/entry/syscalls/syscall.tbl
index ebae8415dfbba..d8b4ab78bef07 100644
--- a/tools/perf/arch/powerpc/entry/syscalls/syscall.tbl
+++ b/tools/perf/arch/powerpc/entry/syscalls/syscall.tbl
@@ -553,3 +553,7 @@
 460	common	lsm_set_self_attr		sys_lsm_set_self_attr
 461	common	lsm_list_modules		sys_lsm_list_modules
 462	common	mseal				sys_mseal
+463	common	setxattrat			sys_setxattrat
+464	common	getxattrat			sys_getxattrat
+465	common	listxattrat			sys_listxattrat
+466	common	removexattrat			sys_removexattrat
diff --git a/tools/perf/arch/s390/entry/syscalls/syscall.tbl b/tools/perf/arch/s390/entry/syscalls/syscall.tbl
index 01071182763e9..e9115b4d8b635 100644
--- a/tools/perf/arch/s390/entry/syscalls/syscall.tbl
+++ b/tools/perf/arch/s390/entry/syscalls/syscall.tbl
@@ -465,3 +465,7 @@
 460  common	lsm_set_self_attr	sys_lsm_set_self_attr		sys_lsm_set_self_attr
 461  common	lsm_list_modules	sys_lsm_list_modules		sys_lsm_list_modules
 462  common	mseal			sys_mseal			sys_mseal
+463  common	setxattrat		sys_setxattrat			sys_setxattrat
+464  common	getxattrat		sys_getxattrat			sys_getxattrat
+465  common	listxattrat		sys_listxattrat			sys_listxattrat
+466  common	removexattrat		sys_removexattrat		sys_removexattrat
diff --git a/tools/perf/arch/x86/entry/syscalls/syscall_32.tbl b/tools/perf/arch/x86/entry/syscalls/syscall_32.tbl
index 534c74b14fab5..4d0fb2fba7e20 100644
--- a/tools/perf/arch/x86/entry/syscalls/syscall_32.tbl
+++ b/tools/perf/arch/x86/entry/syscalls/syscall_32.tbl
@@ -468,3 +468,7 @@
 460	i386	lsm_set_self_attr	sys_lsm_set_self_attr
 461	i386	lsm_list_modules	sys_lsm_list_modules
 462	i386	mseal 			sys_mseal
+463	i386	setxattrat		sys_setxattrat
+464	i386	getxattrat		sys_getxattrat
+465	i386	listxattrat		sys_listxattrat
+466	i386	removexattrat		sys_removexattrat
diff --git a/tools/perf/arch/x86/entry/syscalls/syscall_64.tbl b/tools/perf/arch/x86/entry/syscalls/syscall_64.tbl
index 7093ee21c0d1c..5eb708bff1c79 100644
--- a/tools/perf/arch/x86/entry/syscalls/syscall_64.tbl
+++ b/tools/perf/arch/x86/entry/syscalls/syscall_64.tbl
@@ -386,6 +386,10 @@
 460	common	lsm_set_self_attr	sys_lsm_set_self_attr
 461	common	lsm_list_modules	sys_lsm_list_modules
 462 	common  mseal			sys_mseal
+463	common	setxattrat		sys_setxattrat
+464	common	getxattrat		sys_getxattrat
+465	common	listxattrat		sys_listxattrat
+466	common	removexattrat		sys_removexattrat
 
 #
 # Due to a historical design error, certain syscalls are numbered differently
diff --git a/tools/perf/builtin-ftrace.c b/tools/perf/builtin-ftrace.c
index 272d3c70810e7..a56cf8b0a7d40 100644
--- a/tools/perf/builtin-ftrace.c
+++ b/tools/perf/builtin-ftrace.c
@@ -1151,8 +1151,9 @@ static int cmp_profile_data(const void *a, const void *b)
 
 	if (v1 > v2)
 		return -1;
-	else
+	if (v1 < v2)
 		return 1;
+	return 0;
 }
 
 static void print_profile_result(struct perf_ftrace *ftrace)
diff --git a/tools/perf/tests/builtin-test.c b/tools/perf/tests/builtin-test.c
index 8dcf74d3c0a39..4751dd3c6f672 100644
--- a/tools/perf/tests/builtin-test.c
+++ b/tools/perf/tests/builtin-test.c
@@ -508,7 +508,7 @@ static int __cmd_test(struct test_suite **suites, int argc, const char *argv[],
 		for (size_t x = 0; x < num_tests; x++) {
 			struct child_test *child_test = child_tests[x];
 
-			if (!child_test)
+			if (!child_test || child_test->process.pid <= 0)
 				continue;
 
 			pr_debug3("Killing %d pid %d\n",
diff --git a/tools/perf/tests/expr.c b/tools/perf/tests/expr.c
index 41ff1affdfcdf..726cf8d4da28d 100644
--- a/tools/perf/tests/expr.c
+++ b/tools/perf/tests/expr.c
@@ -75,14 +75,12 @@ static int test__expr(struct test_suite *t __maybe_unused, int subtest __maybe_u
 	double val, num_cpus_online, num_cpus, num_cores, num_dies, num_packages;
 	int ret;
 	struct expr_parse_ctx *ctx;
-	bool is_intel = false;
 	char strcmp_cpuid_buf[256];
 	struct perf_cpu cpu = {-1};
 	char *cpuid = get_cpuid_allow_env_override(cpu);
 	char *escaped_cpuid1, *escaped_cpuid2;
 
 	TEST_ASSERT_VAL("get_cpuid", cpuid);
-	is_intel = strstr(cpuid, "Intel") != NULL;
 
 	TEST_ASSERT_EQUAL("ids_union", test_ids_union(), 0);
 
@@ -245,12 +243,19 @@ static int test__expr(struct test_suite *t __maybe_unused, int subtest __maybe_u
 	if (num_dies) // Some platforms do not have CPU die support, for example s390
 		TEST_ASSERT_VAL("#num_dies >= #num_packages", num_dies >= num_packages);
 
-	TEST_ASSERT_VAL("#system_tsc_freq", expr__parse(&val, ctx, "#system_tsc_freq") == 0);
-	if (is_intel)
-		TEST_ASSERT_VAL("#system_tsc_freq > 0", val > 0);
-	else
-		TEST_ASSERT_VAL("#system_tsc_freq == 0", fpclassify(val) == FP_ZERO);
 
+	if (expr__parse(&val, ctx, "#system_tsc_freq") == 0) {
+		bool is_intel = strstr(cpuid, "Intel") != NULL;
+
+		if (is_intel)
+			TEST_ASSERT_VAL("#system_tsc_freq > 0", val > 0);
+		else
+			TEST_ASSERT_VAL("#system_tsc_freq == 0", fpclassify(val) == FP_ZERO);
+	} else {
+#if defined(__i386__) || defined(__x86_64__)
+		TEST_ASSERT_VAL("#system_tsc_freq unsupported", 0);
+#endif
+	}
 	/*
 	 * Source count returns the number of events aggregating in a leader
 	 * event including the leader. Check parsing yields an id.
diff --git a/tools/perf/tests/hwmon_pmu.c b/tools/perf/tests/hwmon_pmu.c
index f8bcee9660d53..d2b066a2b557a 100644
--- a/tools/perf/tests/hwmon_pmu.c
+++ b/tools/perf/tests/hwmon_pmu.c
@@ -65,7 +65,7 @@ static struct perf_pmu *test_pmu_get(char *dir, size_t sz)
 		{ "temp2_label", "test hwmon event2\n", },
 		{ "temp2_input", "50000\n", },
 	};
-	int dirfd, file;
+	int hwmon_dirfd = -1, test_dirfd = -1, file;
 	struct perf_pmu *hwm = NULL;
 	ssize_t len;
 
@@ -76,19 +76,24 @@ static struct perf_pmu *test_pmu_get(char *dir, size_t sz)
 		dir[0] = '\0';
 		return NULL;
 	}
-	dirfd = open(dir, O_DIRECTORY);
-	if (dirfd < 0) {
+	test_dirfd = open(dir, O_PATH|O_DIRECTORY);
+	if (test_dirfd < 0) {
 		pr_err("Failed to open test directory \"%s\"\n", dir);
 		goto err_out;
 	}
 
 	/* Create the test hwmon directory and give it a name. */
-	if (mkdirat(dirfd, "hwmon1234", 0755) < 0) {
+	if (mkdirat(test_dirfd, "hwmon1234", 0755) < 0) {
 		pr_err("Failed to mkdir hwmon directory\n");
 		goto err_out;
 	}
-	file = openat(dirfd, "hwmon1234/name", O_WRONLY | O_CREAT, 0600);
-	if (!file) {
+	hwmon_dirfd = openat(test_dirfd, "hwmon1234", O_DIRECTORY);
+	if (hwmon_dirfd < 0) {
+		pr_err("Failed to open test hwmon directory \"%s/hwmon1234\"\n", dir);
+		goto err_out;
+	}
+	file = openat(hwmon_dirfd, "name", O_WRONLY | O_CREAT, 0600);
+	if (file < 0) {
 		pr_err("Failed to open for writing file \"name\"\n");
 		goto err_out;
 	}
@@ -104,8 +109,8 @@ static struct perf_pmu *test_pmu_get(char *dir, size_t sz)
 	for (size_t i = 0; i < ARRAY_SIZE(test_items); i++) {
 		const struct test_item *item = &test_items[i];
 
-		file = openat(dirfd, item->name, O_WRONLY | O_CREAT, 0600);
-		if (!file) {
+		file = openat(hwmon_dirfd, item->name, O_WRONLY | O_CREAT, 0600);
+		if (file < 0) {
 			pr_err("Failed to open for writing file \"%s\"\n", item->name);
 			goto err_out;
 		}
@@ -119,16 +124,18 @@ static struct perf_pmu *test_pmu_get(char *dir, size_t sz)
 	}
 
 	/* Make the PMU reading the files created above. */
-	hwm = perf_pmus__add_test_hwmon_pmu(dirfd, "hwmon1234", test_hwmon_name);
+	hwm = perf_pmus__add_test_hwmon_pmu(hwmon_dirfd, "hwmon1234", test_hwmon_name);
 	if (!hwm)
 		pr_err("Test hwmon creation failed\n");
 
 err_out:
 	if (!hwm) {
 		test_pmu_put(dir, hwm);
-		if (dirfd >= 0)
-			close(dirfd);
+		if (hwmon_dirfd >= 0)
+			close(hwmon_dirfd);
 	}
+	if (test_dirfd >= 0)
+		close(test_dirfd);
 	return hwm;
 }
 
diff --git a/tools/perf/trace/beauty/fs_at_flags.sh b/tools/perf/trace/beauty/fs_at_flags.sh
index e3f13f96a27c2..fac4d0c049fcc 100755
--- a/tools/perf/trace/beauty/fs_at_flags.sh
+++ b/tools/perf/trace/beauty/fs_at_flags.sh
@@ -13,13 +13,14 @@ printf "static const char *fs_at_flags[] = {\n"
 regex='^[[:space:]]*#[[:space:]]*define[[:space:]]+AT_([^_]+[[:alnum:]_]+)[[:space:]]+(0x[[:xdigit:]]+)[[:space:]]*.*'
 # AT_EACCESS is only meaningful to faccessat, so we will special case it there...
 # AT_STATX_SYNC_TYPE is not a bit, its a mask of AT_STATX_SYNC_AS_STAT, AT_STATX_FORCE_SYNC and AT_STATX_DONT_SYNC
-# AT_HANDLE_FID and AT_HANDLE_MNT_ID_UNIQUE are reusing values and are valid only for name_to_handle_at()
+# AT_HANDLE_FID, AT_HANDLE_MNT_ID_UNIQUE and AT_HANDLE_CONNECTABLE are reusing values and are valid only for name_to_handle_at()
 # AT_RENAME_NOREPLACE reuses 0x1 and is valid only for renameat2()
 grep -E $regex ${linux_fcntl} | \
 	grep -v AT_EACCESS | \
 	grep -v AT_STATX_SYNC_TYPE | \
 	grep -v AT_HANDLE_FID | \
 	grep -v AT_HANDLE_MNT_ID_UNIQUE | \
+	grep -v AT_HANDLE_CONNECTABLE | \
 	grep -v AT_RENAME_NOREPLACE | \
 	sed -r "s/$regex/\2 \1/g"	| \
 	xargs printf "\t[ilog2(%s) + 1] = \"%s\",\n"
diff --git a/tools/perf/trace/beauty/include/uapi/linux/fcntl.h b/tools/perf/trace/beauty/include/uapi/linux/fcntl.h
index 87e2dec79fea4..6e6907e63bfc2 100644
--- a/tools/perf/trace/beauty/include/uapi/linux/fcntl.h
+++ b/tools/perf/trace/beauty/include/uapi/linux/fcntl.h
@@ -153,9 +153,6 @@
 					   object identity and may not be
 					   usable with open_by_handle_at(2). */
 #define AT_HANDLE_MNT_ID_UNIQUE	0x001	/* Return the u64 unique mount ID. */
-
-#if defined(__KERNEL__)
-#define AT_GETATTR_NOSEC	0x80000000
-#endif
+#define AT_HANDLE_CONNECTABLE	0x002	/* Request a connectable file handle */
 
 #endif /* _UAPI_LINUX_FCNTL_H */
diff --git a/tools/perf/trace/beauty/include/uapi/linux/mount.h b/tools/perf/trace/beauty/include/uapi/linux/mount.h
index 225bc366ffcbf..c07008816acae 100644
--- a/tools/perf/trace/beauty/include/uapi/linux/mount.h
+++ b/tools/perf/trace/beauty/include/uapi/linux/mount.h
@@ -154,7 +154,7 @@ struct mount_attr {
  */
 struct statmount {
 	__u32 size;		/* Total size, including strings */
-	__u32 mnt_opts;		/* [str] Mount options of the mount */
+	__u32 mnt_opts;		/* [str] Options (comma separated, escaped) */
 	__u64 mask;		/* What results were written */
 	__u32 sb_dev_major;	/* Device ID */
 	__u32 sb_dev_minor;
@@ -173,7 +173,13 @@ struct statmount {
 	__u32 mnt_root;		/* [str] Root of mount relative to root of fs */
 	__u32 mnt_point;	/* [str] Mountpoint relative to current root */
 	__u64 mnt_ns_id;	/* ID of the mount namespace */
-	__u64 __spare2[49];
+	__u32 fs_subtype;	/* [str] Subtype of fs_type (if any) */
+	__u32 sb_source;	/* [str] Source string of the mount */
+	__u32 opt_num;		/* Number of fs options */
+	__u32 opt_array;	/* [str] Array of nul terminated fs options */
+	__u32 opt_sec_num;	/* Number of security options */
+	__u32 opt_sec_array;	/* [str] Array of nul terminated security options */
+	__u64 __spare2[46];
 	char str[];		/* Variable size part containing strings */
 };
 
@@ -207,6 +213,10 @@ struct mnt_id_req {
 #define STATMOUNT_FS_TYPE		0x00000020U	/* Want/got fs_type */
 #define STATMOUNT_MNT_NS_ID		0x00000040U	/* Want/got mnt_ns_id */
 #define STATMOUNT_MNT_OPTS		0x00000080U	/* Want/got mnt_opts */
+#define STATMOUNT_FS_SUBTYPE		0x00000100U	/* Want/got fs_subtype */
+#define STATMOUNT_SB_SOURCE		0x00000200U	/* Want/got sb_source */
+#define STATMOUNT_OPT_ARRAY		0x00000400U	/* Want/got opt_... */
+#define STATMOUNT_OPT_SEC_ARRAY		0x00000800U	/* Want/got opt_sec... */
 
 /*
  * Special @mnt_id values that can be passed to listmount
diff --git a/tools/perf/trace/beauty/include/uapi/linux/prctl.h b/tools/perf/trace/beauty/include/uapi/linux/prctl.h
index 35791791a879b..5c6080680cb27 100644
--- a/tools/perf/trace/beauty/include/uapi/linux/prctl.h
+++ b/tools/perf/trace/beauty/include/uapi/linux/prctl.h
@@ -230,7 +230,7 @@ struct prctl_mm_map {
 # define PR_PAC_APDBKEY			(1UL << 3)
 # define PR_PAC_APGAKEY			(1UL << 4)
 
-/* Tagged user address controls for arm64 */
+/* Tagged user address controls for arm64 and RISC-V */
 #define PR_SET_TAGGED_ADDR_CTRL		55
 #define PR_GET_TAGGED_ADDR_CTRL		56
 # define PR_TAGGED_ADDR_ENABLE		(1UL << 0)
@@ -244,6 +244,9 @@ struct prctl_mm_map {
 # define PR_MTE_TAG_MASK		(0xffffUL << PR_MTE_TAG_SHIFT)
 /* Unused; kept only for source compatibility */
 # define PR_MTE_TCF_SHIFT		1
+/* RISC-V pointer masking tag length */
+# define PR_PMLEN_SHIFT			24
+# define PR_PMLEN_MASK			(0x7fUL << PR_PMLEN_SHIFT)
 
 /* Control reclaim behavior when allocating memory */
 #define PR_SET_IO_FLUSHER		57
@@ -328,4 +331,26 @@ struct prctl_mm_map {
 # define PR_PPC_DEXCR_CTRL_CLEAR_ONEXEC	0x10 /* Clear the aspect on exec */
 # define PR_PPC_DEXCR_CTRL_MASK		0x1f
 
+/*
+ * Get the current shadow stack configuration for the current thread,
+ * this will be the value configured via PR_SET_SHADOW_STACK_STATUS.
+ */
+#define PR_GET_SHADOW_STACK_STATUS      74
+
+/*
+ * Set the current shadow stack configuration.  Enabling the shadow
+ * stack will cause a shadow stack to be allocated for the thread.
+ */
+#define PR_SET_SHADOW_STACK_STATUS      75
+# define PR_SHADOW_STACK_ENABLE         (1UL << 0)
+# define PR_SHADOW_STACK_WRITE		(1UL << 1)
+# define PR_SHADOW_STACK_PUSH		(1UL << 2)
+
+/*
+ * Prevent further changes to the specified shadow stack
+ * configuration.  All bits may be locked via this call, including
+ * undefined bits.
+ */
+#define PR_LOCK_SHADOW_STACK_STATUS      76
+
 #endif /* _LINUX_PRCTL_H */
diff --git a/tools/perf/util/build-id.c b/tools/perf/util/build-id.c
index 8982f68e7230c..e763e8d99a436 100644
--- a/tools/perf/util/build-id.c
+++ b/tools/perf/util/build-id.c
@@ -277,7 +277,7 @@ static int write_buildid(const char *name, size_t name_len, struct build_id *bid
 	struct perf_record_header_build_id b;
 	size_t len;
 
-	len = sizeof(b) + name_len + 1;
+	len = name_len + 1;
 	len = PERF_ALIGN(len, sizeof(u64));
 
 	memset(&b, 0, sizeof(b));
@@ -286,7 +286,7 @@ static int write_buildid(const char *name, size_t name_len, struct build_id *bid
 	misc |= PERF_RECORD_MISC_BUILD_ID_SIZE;
 	b.pid = pid;
 	b.header.misc = misc;
-	b.header.size = len;
+	b.header.size = sizeof(b) + len;
 
 	err = do_write(fd, &b, sizeof(b));
 	if (err < 0)
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index f745723d486ba..d22c5df1701ec 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -2571,12 +2571,12 @@ static int evsel__open_cpu(struct evsel *evsel, struct perf_cpu_map *cpus,
 	if (err == -EMFILE && rlimit__increase_nofile(&set_rlimit))
 		goto retry_open;
 
-	if (err == -EOPNOTSUPP && evsel__precise_ip_fallback(evsel))
-		goto retry_open;
-
 	if (err == -EINVAL && evsel__detect_missing_features(evsel))
 		goto fallback_missing_features;
 
+	if (evsel__precise_ip_fallback(evsel))
+		goto retry_open;
+
 	if (evsel__handle_error_quirks(evsel, err))
 		goto retry_open;
 
diff --git a/tools/perf/util/hwmon_pmu.c b/tools/perf/util/hwmon_pmu.c
index e61429b38ba7b..4acb9bb19b846 100644
--- a/tools/perf/util/hwmon_pmu.c
+++ b/tools/perf/util/hwmon_pmu.c
@@ -258,8 +258,12 @@ static int hwmon_pmu__read_events(struct hwmon_pmu *pmu)
 	if (pmu->pmu.sysfs_aliases_loaded)
 		return 0;
 
-	/* Use a dup-ed fd as closedir will close it. */
-	dup_fd = dup(pmu->hwmon_dir_fd);
+	/*
+	 * Use a dup-ed fd as closedir will close it. Use openat so that the
+	 * directory contents are refreshed.
+	 */
+	dup_fd = openat(pmu->hwmon_dir_fd, ".", O_DIRECTORY);
+
 	if (dup_fd == -1)
 		return -ENOMEM;
 
@@ -336,6 +340,9 @@ static int hwmon_pmu__read_events(struct hwmon_pmu *pmu)
 			close(fd);
 		}
 	}
+	if (hashmap__size(&pmu->events) == 0)
+		pr_debug2("hwmon_pmu: %s has no events\n", pmu->pmu.name);
+
 	hashmap__for_each_entry_safe((&pmu->events), cur, tmp, bkt) {
 		union hwmon_pmu_event_key key = {
 			.type_and_num = cur->key,
@@ -343,8 +350,8 @@ static int hwmon_pmu__read_events(struct hwmon_pmu *pmu)
 		struct hwmon_pmu_event_value *value = cur->pvalue;
 
 		if (!test_bit(HWMON_ITEM_INPUT, value->items)) {
-			pr_debug("hwmon_pmu: removing event '%s%d' that has no input file\n",
-				hwmon_type_strs[key.type], key.num);
+			pr_debug("hwmon_pmu: %s removing event '%s%d' that has no input file\n",
+				pmu->pmu.name, hwmon_type_strs[key.type], key.num);
 			hashmap__delete(&pmu->events, key.type_and_num, &key, &value);
 			zfree(&value->label);
 			zfree(&value->name);
diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c
index 4f0ac998b0ccf..27d5345d2b307 100644
--- a/tools/perf/util/machine.c
+++ b/tools/perf/util/machine.c
@@ -134,6 +134,8 @@ struct machine *machine__new_host(void)
 
 		if (machine__create_kernel_maps(machine) < 0)
 			goto out_delete;
+
+		machine->env = &perf_env;
 	}
 
 	return machine;
diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c
index 6d51a4c98ad7c..eaa0318e9b87e 100644
--- a/tools/perf/util/probe-event.c
+++ b/tools/perf/util/probe-event.c
@@ -1370,7 +1370,7 @@ int parse_line_range_desc(const char *arg, struct line_range *lr)
 {
 	char *buf = strdup(arg);
 	char *p;
-	int err;
+	int err = 0;
 
 	if (!buf)
 		return -ENOMEM;