15 files changed, 182 insertions, 119 deletions

diff --git a/tools/testing/kunit/qemu_configs/riscv.py b/tools/testing/kunit/qemu_configs/riscv.py
index 12a1d525978a..c87758030ff7 100644
--- a/tools/testing/kunit/qemu_configs/riscv.py
+++ b/tools/testing/kunit/qemu_configs/riscv.py
@@ -13,7 +13,7 @@ if not os.path.isfile(OPENSBI_PATH):
 
 QEMU_ARCH = QemuArchParams(linux_arch='riscv',
 			   kconfig='''
-CONFIG_SOC_VIRT=y
+CONFIG_ARCH_VIRT=y
 CONFIG_SERIAL_8250=y
 CONFIG_SERIAL_8250_CONSOLE=y
 CONFIG_SERIAL_OF_PLATFORM=y
diff --git a/tools/testing/radix-tree/linux/kernel.h b/tools/testing/radix-tree/linux/kernel.h
index c5c9d05f29da..c0a2bb785b92 100644
--- a/tools/testing/radix-tree/linux/kernel.h
+++ b/tools/testing/radix-tree/linux/kernel.h
@@ -18,6 +18,8 @@
 #define pr_info printk
 #define pr_debug printk
 #define pr_cont printk
+#define schedule()
+#define PAGE_SHIFT	12
 
 #define __acquires(x)
 #define __releases(x)
diff --git a/tools/testing/selftests/kselftest_harness.h b/tools/testing/selftests/kselftest_harness.h
index d98702b6955d..3c8f2965c285 100644
--- a/tools/testing/selftests/kselftest_harness.h
+++ b/tools/testing/selftests/kselftest_harness.h
@@ -66,6 +66,8 @@
 #include <sys/wait.h>
 #include <unistd.h>
 #include <setjmp.h>
+#include <syscall.h>
+#include <linux/sched.h>
 
 #include "kselftest.h"
 
@@ -80,6 +82,17 @@
 #  define TH_LOG_ENABLED 1
 #endif
 
+/* Wait for the child process to end but without sharing memory mapping. */
+static inline pid_t clone3_vfork(void)
+{
+	struct clone_args args = {
+		.flags = CLONE_VFORK,
+		.exit_signal = SIGCHLD,
+	};
+
+	return syscall(__NR_clone3, &args, sizeof(args));
+}
+
 /**
  * TH_LOG()
  *
@@ -281,6 +294,32 @@
  * A bare "return;" statement may be used to return early.
  */
 #define FIXTURE_TEARDOWN(fixture_name) \
+	static const bool fixture_name##_teardown_parent; \
+	__FIXTURE_TEARDOWN(fixture_name)
+
+/**
+ * FIXTURE_TEARDOWN_PARENT()
+ * *_metadata* is included so that EXPECT_*, ASSERT_* etc. work correctly.
+ *
+ * @fixture_name: fixture name
+ *
+ * .. code-block:: c
+ *
+ *     FIXTURE_TEARDOWN_PARENT(fixture_name) { implementation }
+ *
+ * Same as FIXTURE_TEARDOWN() but run this code in a parent process.  This
+ * enables the test process to drop its privileges without impacting the
+ * related FIXTURE_TEARDOWN_PARENT() (e.g. to remove files from a directory
+ * where write access was dropped).
+ *
+ * To make it possible for the parent process to use *self*, share (MAP_SHARED)
+ * the fixture data between all forked processes.
+ */
+#define FIXTURE_TEARDOWN_PARENT(fixture_name) \
+	static const bool fixture_name##_teardown_parent = true; \
+	__FIXTURE_TEARDOWN(fixture_name)
+
+#define __FIXTURE_TEARDOWN(fixture_name) \
 	void fixture_name##_teardown( \
 		struct __test_metadata __attribute__((unused)) *_metadata, \
 		FIXTURE_DATA(fixture_name) __attribute__((unused)) *self, \
@@ -325,7 +364,7 @@
  * variant.
  */
 #define FIXTURE_VARIANT_ADD(fixture_name, variant_name) \
-	extern FIXTURE_VARIANT(fixture_name) \
+	extern const FIXTURE_VARIANT(fixture_name) \
 		_##fixture_name##_##variant_name##_variant; \
 	static struct __fixture_variant_metadata \
 		_##fixture_name##_##variant_name##_object = \
@@ -337,7 +376,7 @@
 		__register_fixture_variant(&_##fixture_name##_fixture_object, \
 			&_##fixture_name##_##variant_name##_object);	\
 	} \
-	FIXTURE_VARIANT(fixture_name) \
+	const FIXTURE_VARIANT(fixture_name) \
 		_##fixture_name##_##variant_name##_variant =
 
 /**
@@ -355,10 +394,11 @@
  * Very similar to TEST() except that *self* is the setup instance of fixture's
  * datatype exposed for use by the implementation.
  *
- * The @test_name code is run in a separate process sharing the same memory
- * (i.e. vfork), which means that the test process can update its privileges
- * without impacting the related FIXTURE_TEARDOWN() (e.g. to remove files from
- * a directory where write access was dropped).
+ * The _metadata object is shared (MAP_SHARED) with all the potential forked
+ * processes, which enables them to use EXCEPT_*() and ASSERT_*().
+ *
+ * The *self* object is only shared with the potential forked processes if
+ * FIXTURE_TEARDOWN_PARENT() is used instead of FIXTURE_TEARDOWN().
  */
 #define TEST_F(fixture_name, test_name) \
 	__TEST_F_IMPL(fixture_name, test_name, -1, TEST_TIMEOUT_DEFAULT)
@@ -379,53 +419,71 @@
 		struct __fixture_variant_metadata *variant) \
 	{ \
 		/* fixture data is alloced, setup, and torn down per call. */ \
-		FIXTURE_DATA(fixture_name) self; \
+		FIXTURE_DATA(fixture_name) self_private, *self = NULL; \
 		pid_t child = 1; \
 		int status = 0; \
-		bool jmp = false; \
-		memset(&self, 0, sizeof(FIXTURE_DATA(fixture_name))); \
+		/* Makes sure there is only one teardown, even when child forks again. */ \
+		bool *teardown = mmap(NULL, sizeof(*teardown), \
+			PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANONYMOUS, -1, 0); \
+		*teardown = false; \
+		if (sizeof(*self) > 0) { \
+			if (fixture_name##_teardown_parent) { \
+				self = mmap(NULL, sizeof(*self), PROT_READ | PROT_WRITE, \
+					MAP_SHARED | MAP_ANONYMOUS, -1, 0); \
+			} else { \
+				memset(&self_private, 0, sizeof(self_private)); \
+				self = &self_private; \
+			} \
+		} \
 		if (setjmp(_metadata->env) == 0) { \
-			/* Use the same _metadata. */ \
-			child = vfork(); \
+			/* _metadata and potentially self are shared with all forks. */ \
+			child = clone3_vfork(); \
 			if (child == 0) { \
-				fixture_name##_setup(_metadata, &self, variant->data); \
+				fixture_name##_setup(_metadata, self, variant->data); \
 				/* Let setup failure terminate early. */ \
 				if (_metadata->exit_code) \
 					_exit(0); \
 				_metadata->setup_completed = true; \
-				fixture_name##_##test_name(_metadata, &self, variant->data); \
+				fixture_name##_##test_name(_metadata, self, variant->data); \
 			} else if (child < 0 || child != waitpid(child, &status, 0)) { \
 				ksft_print_msg("ERROR SPAWNING TEST GRANDCHILD\n"); \
 				_metadata->exit_code = KSFT_FAIL; \
 			} \
 		} \
-		else \
-			jmp = true; \
 		if (child == 0) { \
-			if (_metadata->setup_completed && !_metadata->teardown_parent && !jmp) \
-				fixture_name##_teardown(_metadata, &self, variant->data); \
+			if (_metadata->setup_completed && !fixture_name##_teardown_parent && \
+					__sync_bool_compare_and_swap(teardown, false, true)) \
+				fixture_name##_teardown(_metadata, self, variant->data); \
 			_exit(0); \
 		} \
-		if (_metadata->setup_completed && _metadata->teardown_parent) \
-			fixture_name##_teardown(_metadata, &self, variant->data); \
-		if (!WIFEXITED(status) && WIFSIGNALED(status)) \
+		if (_metadata->setup_completed && fixture_name##_teardown_parent && \
+				__sync_bool_compare_and_swap(teardown, false, true)) \
+			fixture_name##_teardown(_metadata, self, variant->data); \
+		munmap(teardown, sizeof(*teardown)); \
+		if (self && fixture_name##_teardown_parent) \
+			munmap(self, sizeof(*self)); \
+		if (WIFEXITED(status)) { \
+			if (WEXITSTATUS(status)) \
+				_metadata->exit_code = WEXITSTATUS(status); \
+		} else if (WIFSIGNALED(status)) { \
 			/* Forward signal to __wait_for_test(). */ \
 			kill(getpid(), WTERMSIG(status)); \
+		} \
 		__test_check_assert(_metadata); \
 	} \
-	static struct __test_metadata \
-		      _##fixture_name##_##test_name##_object = { \
-		.name = #test_name, \
-		.fn = &wrapper_##fixture_name##_##test_name, \
-		.fixture = &_##fixture_name##_fixture_object, \
-		.termsig = signal, \
-		.timeout = tmout, \
-		.teardown_parent = false, \
-	 }; \
+	static struct __test_metadata *_##fixture_name##_##test_name##_object; \
 	static void __attribute__((constructor)) \
 			_register_##fixture_name##_##test_name(void) \
 	{ \
-		__register_test(&_##fixture_name##_##test_name##_object); \
+		struct __test_metadata *object = mmap(NULL, sizeof(*object), \
+			PROT_READ | PROT_WRITE, MAP_SHARED | MAP_ANONYMOUS, -1, 0); \
+		object->name = #test_name; \
+		object->fn = &wrapper_##fixture_name##_##test_name; \
+		object->fixture = &_##fixture_name##_fixture_object; \
+		object->termsig = signal; \
+		object->timeout = tmout; \
+		_##fixture_name##_##test_name##_object = object; \
+		__register_test(object); \
 	} \
 	static void fixture_name##_##test_name( \
 		struct __test_metadata __attribute__((unused)) *_metadata, \
@@ -833,11 +891,12 @@ struct __test_xfail {
 	{ \
 		.fixture = &_##fixture_name##_fixture_object, \
 		.variant = &_##fixture_name##_##variant_name##_object, \
-		.test = &_##fixture_name##_##test_name##_object, \
 	}; \
 	static void __attribute__((constructor)) \
 		_register_##fixture_name##_##variant_name##_##test_name##_xfail(void) \
 	{ \
+		_##fixture_name##_##variant_name##_##test_name##_xfail.test = \
+			_##fixture_name##_##test_name##_object; \
 		__register_xfail(&_##fixture_name##_##variant_name##_##test_name##_xfail); \
 	}
 
@@ -880,7 +939,6 @@ struct __test_metadata {
 	bool timed_out;	/* did this test timeout instead of exiting? */
 	bool aborted;	/* stopped test due to failed ASSERT */
 	bool setup_completed; /* did setup finish? */
-	bool teardown_parent; /* run teardown in a parent process */
 	jmp_buf env;	/* for exiting out of test early */
 	struct __test_results *results;
 	struct __test_metadata *prev, *next;
@@ -1164,6 +1222,9 @@ void __run_test(struct __fixture_metadata *f,
 	/* reset test struct */
 	t->exit_code = KSFT_PASS;
 	t->trigger = 0;
+	t->aborted = false;
+	t->setup_completed = false;
+	memset(t->env, 0, sizeof(t->env));
 	memset(t->results->reason, 0, sizeof(t->results->reason));
 
 	if (asprintf(&test_name, "%s%s%s.%s", f->name,
@@ -1179,7 +1240,7 @@ void __run_test(struct __fixture_metadata *f,
 	fflush(stdout);
 	fflush(stderr);
 
-	t->pid = fork();
+	t->pid = clone3_vfork();
 	if (t->pid < 0) {
 		ksft_print_msg("ERROR SPAWNING TEST CHILD\n");
 		t->exit_code = KSFT_FAIL;
diff --git a/tools/testing/selftests/landlock/fs_test.c b/tools/testing/selftests/landlock/fs_test.c
index 9a6036fbf289..27744524df51 100644
--- a/tools/testing/selftests/landlock/fs_test.c
+++ b/tools/testing/selftests/landlock/fs_test.c
@@ -9,6 +9,7 @@
 
 #define _GNU_SOURCE
 #include <fcntl.h>
+#include <libgen.h>
 #include <linux/landlock.h>
 #include <linux/magic.h>
 #include <sched.h>
@@ -285,15 +286,21 @@ static void prepare_layout_opt(struct __test_metadata *const _metadata,
 
 static void prepare_layout(struct __test_metadata *const _metadata)
 {
-	_metadata->teardown_parent = true;
-
 	prepare_layout_opt(_metadata, &mnt_tmp);
 }
 
 static void cleanup_layout(struct __test_metadata *const _metadata)
 {
 	set_cap(_metadata, CAP_SYS_ADMIN);
-	EXPECT_EQ(0, umount(TMP_DIR));
+	if (umount(TMP_DIR)) {
+		/*
+		 * According to the test environment, the mount point of the
+		 * current directory may be shared or not, which changes the
+		 * visibility of the nested TMP_DIR mount point for the test's
+		 * parent process doing this cleanup.
+		 */
+		ASSERT_EQ(EINVAL, errno);
+	}
 	clear_cap(_metadata, CAP_SYS_ADMIN);
 	EXPECT_EQ(0, remove_path(TMP_DIR));
 }
@@ -307,7 +314,7 @@ FIXTURE_SETUP(layout0)
 	prepare_layout(_metadata);
 }
 
-FIXTURE_TEARDOWN(layout0)
+FIXTURE_TEARDOWN_PARENT(layout0)
 {
 	cleanup_layout(_metadata);
 }
@@ -370,7 +377,7 @@ FIXTURE_SETUP(layout1)
 	create_layout1(_metadata);
 }
 
-FIXTURE_TEARDOWN(layout1)
+FIXTURE_TEARDOWN_PARENT(layout1)
 {
 	remove_layout1(_metadata);
 
@@ -3683,7 +3690,7 @@ FIXTURE_SETUP(ftruncate)
 	create_file(_metadata, file1_s1d1);
 }
 
-FIXTURE_TEARDOWN(ftruncate)
+FIXTURE_TEARDOWN_PARENT(ftruncate)
 {
 	EXPECT_EQ(0, remove_path(file1_s1d1));
 	cleanup_layout(_metadata);
@@ -3861,7 +3868,7 @@ FIXTURE_SETUP(layout1_bind)
 	clear_cap(_metadata, CAP_SYS_ADMIN);
 }
 
-FIXTURE_TEARDOWN(layout1_bind)
+FIXTURE_TEARDOWN_PARENT(layout1_bind)
 {
 	/* umount(dir_s2d2)) is handled by namespace lifetime. */
 
@@ -4266,7 +4273,7 @@ FIXTURE_SETUP(layout2_overlay)
 	clear_cap(_metadata, CAP_SYS_ADMIN);
 }
 
-FIXTURE_TEARDOWN(layout2_overlay)
+FIXTURE_TEARDOWN_PARENT(layout2_overlay)
 {
 	if (self->skip_test)
 		SKIP(return, "overlayfs is not supported (teardown)");
@@ -4616,7 +4623,6 @@ FIXTURE(layout3_fs)
 {
 	bool has_created_dir;
 	bool has_created_file;
-	char *dir_path;
 	bool skip_test;
 };
 
@@ -4675,11 +4681,24 @@ FIXTURE_VARIANT_ADD(layout3_fs, hostfs) {
 	.cwd_fs_magic = HOSTFS_SUPER_MAGIC,
 };
 
+static char *dirname_alloc(const char *path)
+{
+	char *dup;
+
+	if (!path)
+		return NULL;
+
+	dup = strdup(path);
+	if (!dup)
+		return NULL;
+
+	return dirname(dup);
+}
+
 FIXTURE_SETUP(layout3_fs)
 {
 	struct stat statbuf;
-	const char *slash;
-	size_t dir_len;
+	char *dir_path = dirname_alloc(variant->file_path);
 
 	if (!supports_filesystem(variant->mnt.type) ||
 	    !cwd_matches_fs(variant->cwd_fs_magic)) {
@@ -4687,27 +4706,15 @@ FIXTURE_SETUP(layout3_fs)
 		SKIP(return, "this filesystem is not supported (setup)");
 	}
 
-	_metadata->teardown_parent = true;
-
-	slash = strrchr(variant->file_path, '/');
-	ASSERT_NE(slash, NULL);
-	dir_len = (size_t)slash - (size_t)variant->file_path;
-	ASSERT_LT(0, dir_len);
-	self->dir_path = malloc(dir_len + 1);
-	self->dir_path[dir_len] = '\0';
-	strncpy(self->dir_path, variant->file_path, dir_len);
-
 	prepare_layout_opt(_metadata, &variant->mnt);
 
 	/* Creates directory when required. */
-	if (stat(self->dir_path, &statbuf)) {
+	if (stat(dir_path, &statbuf)) {
 		set_cap(_metadata, CAP_DAC_OVERRIDE);
-		EXPECT_EQ(0, mkdir(self->dir_path, 0700))
+		EXPECT_EQ(0, mkdir(dir_path, 0700))
 		{
 			TH_LOG("Failed to create directory \"%s\": %s",
-			       self->dir_path, strerror(errno));
-			free(self->dir_path);
-			self->dir_path = NULL;
+			       dir_path, strerror(errno));
 		}
 		self->has_created_dir = true;
 		clear_cap(_metadata, CAP_DAC_OVERRIDE);
@@ -4728,9 +4735,11 @@ FIXTURE_SETUP(layout3_fs)
 		self->has_created_file = true;
 		clear_cap(_metadata, CAP_DAC_OVERRIDE);
 	}
+
+	free(dir_path);
 }
 
-FIXTURE_TEARDOWN(layout3_fs)
+FIXTURE_TEARDOWN_PARENT(layout3_fs)
 {
 	if (self->skip_test)
 		SKIP(return, "this filesystem is not supported (teardown)");
@@ -4746,16 +4755,17 @@ FIXTURE_TEARDOWN(layout3_fs)
 	}
 
 	if (self->has_created_dir) {
+		char *dir_path = dirname_alloc(variant->file_path);
+
 		set_cap(_metadata, CAP_DAC_OVERRIDE);
 		/*
 		 * Don't check for error because the directory might already
 		 * have been removed (cf. release_inode test).
 		 */
-		rmdir(self->dir_path);
+		rmdir(dir_path);
 		clear_cap(_metadata, CAP_DAC_OVERRIDE);
+		free(dir_path);
 	}
-	free(self->dir_path);
-	self->dir_path = NULL;
 
 	cleanup_layout(_metadata);
 }
@@ -4822,7 +4832,10 @@ TEST_F_FORK(layout3_fs, tag_inode_dir_mnt)
 
 TEST_F_FORK(layout3_fs, tag_inode_dir_child)
 {
-	layer3_fs_tag_inode(_metadata, self, variant, self->dir_path);
+	char *dir_path = dirname_alloc(variant->file_path);
+
+	layer3_fs_tag_inode(_metadata, self, variant, dir_path);
+	free(dir_path);
 }
 
 TEST_F_FORK(layout3_fs, tag_inode_file)
@@ -4849,9 +4862,13 @@ TEST_F_FORK(layout3_fs, release_inodes)
 	if (self->has_created_file)
 		EXPECT_EQ(0, remove_path(variant->file_path));
 
-	if (self->has_created_dir)
+	if (self->has_created_dir) {
+		char *dir_path = dirname_alloc(variant->file_path);
+
 		/* Don't check for error because of cgroup specificities. */
-		remove_path(self->dir_path);
+		remove_path(dir_path);
+		free(dir_path);
+	}
 
 	ruleset_fd =
 		create_ruleset(_metadata, LANDLOCK_ACCESS_FS_READ_DIR, layer1);
diff --git a/tools/testing/selftests/mm/Makefile b/tools/testing/selftests/mm/Makefile
index eb5f39a2668b..410495e0a611 100644
--- a/tools/testing/selftests/mm/Makefile
+++ b/tools/testing/selftests/mm/Makefile
@@ -12,7 +12,7 @@ uname_M := $(shell uname -m 2>/dev/null || echo not)
 else
 uname_M := $(shell echo $(CROSS_COMPILE) | grep -o '^[a-z0-9]\+')
 endif
-ARCH ?= $(shell echo $(uname_M) | sed -e 's/aarch64.*/arm64/' -e 's/ppc64.*/ppc64/')
+ARCH ?= $(shell echo $(uname_M) | sed -e 's/aarch64.*/arm64/' -e 's/ppc64.*/powerpc/')
 endif
 
 # Without this, failed build products remain, with up-to-date timestamps,
@@ -98,13 +98,13 @@ TEST_GEN_FILES += $(BINARIES_64)
 endif
 else
 
-ifneq (,$(findstring $(ARCH),ppc64))
+ifneq (,$(findstring $(ARCH),powerpc))
 TEST_GEN_FILES += protection_keys
 endif
 
 endif
 
-ifneq (,$(filter $(ARCH),arm64 ia64 mips64 parisc64 ppc64 riscv64 s390x sparc64 x86_64))
+ifneq (,$(filter $(ARCH),arm64 ia64 mips64 parisc64 powerpc riscv64 s390x sparc64 x86_64))
 TEST_GEN_FILES += va_high_addr_switch
 TEST_GEN_FILES += virtual_address_range
 TEST_GEN_FILES += write_to_hugetlbfs
diff --git a/tools/testing/selftests/net/test_bridge_neigh_suppress.sh b/tools/testing/selftests/net/test_bridge_neigh_suppress.sh
index 8533393a4f18..02b986c9c247 100755
--- a/tools/testing/selftests/net/test_bridge_neigh_suppress.sh
+++ b/tools/testing/selftests/net/test_bridge_neigh_suppress.sh
@@ -154,17 +154,9 @@ setup_topo()
 		setup_topo_ns $ns
 	done
 
-	ip link add name veth0 type veth peer name veth1
-	ip link set dev veth0 netns $h1 name eth0
-	ip link set dev veth1 netns $sw1 name swp1
-
-	ip link add name veth0 type veth peer name veth1
-	ip link set dev veth0 netns $sw1 name veth0
-	ip link set dev veth1 netns $sw2 name veth0
-
-	ip link add name veth0 type veth peer name veth1
-	ip link set dev veth0 netns $h2 name eth0
-	ip link set dev veth1 netns $sw2 name swp1
+	ip -n $h1 link add name eth0 type veth peer name swp1 netns $sw1
+	ip -n $sw1 link add name veth0 type veth peer name veth0 netns $sw2
+	ip -n $h2 link add name eth0 type veth peer name swp1 netns $sw2
 }
 
 setup_host_common()
diff --git a/tools/testing/selftests/pidfd/config b/tools/testing/selftests/pidfd/config
index f6f2965e17af..6133524710f7 100644
--- a/tools/testing/selftests/pidfd/config
+++ b/tools/testing/selftests/pidfd/config
@@ -3,5 +3,7 @@ CONFIG_IPC_NS=y
 CONFIG_USER_NS=y
 CONFIG_PID_NS=y
 CONFIG_NET_NS=y
+CONFIG_TIME_NS=y
+CONFIG_GENERIC_VDSO_TIME_NS=y
 CONFIG_CGROUPS=y
 CONFIG_CHECKPOINT_RESTORE=y
diff --git a/tools/testing/selftests/pidfd/pidfd_setns_test.c b/tools/testing/selftests/pidfd/pidfd_setns_test.c
index 6e2f2cd400ca..47746b0c6acd 100644
--- a/tools/testing/selftests/pidfd/pidfd_setns_test.c
+++ b/tools/testing/selftests/pidfd/pidfd_setns_test.c
@@ -158,7 +158,7 @@ FIXTURE_SETUP(current_nsset)
 	/* Create task that exits right away. */
 	self->child_pid_exited = create_child(&self->child_pidfd_exited,
 					      CLONE_NEWUSER | CLONE_NEWNET);
-	EXPECT_GT(self->child_pid_exited, 0);
+	EXPECT_GE(self->child_pid_exited, 0);
 
 	if (self->child_pid_exited == 0)
 		_exit(EXIT_SUCCESS);
diff --git a/tools/testing/selftests/rcutorture/bin/torture.sh b/tools/testing/selftests/rcutorture/bin/torture.sh
index bbac5f4b03d0..990d24696fd3 100755
--- a/tools/testing/selftests/rcutorture/bin/torture.sh
+++ b/tools/testing/selftests/rcutorture/bin/torture.sh
@@ -391,7 +391,7 @@ __EOF__
 		forceflavor="`echo $flavor | sed -e 's/^CONFIG/CONFIG_FORCE/'`"
 		deselectedflavors="`grep -v $flavor $T/rcutasksflavors | tr '\012' ' ' | tr -s ' ' | sed -e 's/ *$//'`"
 		echo " --- Running RCU Tasks Trace flavor $flavor `date`" >> $rtfdir/log
-		tools/testing/selftests/rcutorture/bin/kvm.sh --datestamp "$ds/results-rcutasksflavors/$flavor" --buildonly --configs "TINY01 TREE04" --kconfig "CONFIG_RCU_EXPERT=y CONFIG_RCU_SCALE_TEST=y $forceflavor=y $deselectedflavors" --trust-make > $T/$flavor.out 2>&1
+		tools/testing/selftests/rcutorture/bin/kvm.sh --datestamp "$ds/results-rcutasksflavors/$flavor" --buildonly --configs "TINY01 TREE04" --kconfig "CONFIG_RCU_EXPERT=y CONFIG_RCU_SCALE_TEST=y CONFIG_KPROBES=n CONFIG_RCU_TRACE=n CONFIG_TRACING=n CONFIG_BLK_DEV_IO_TRACE=n CONFIG_UPROBE_EVENTS=n $forceflavor=y $deselectedflavors" --trust-make > $T/$flavor.out 2>&1
 		retcode=$?
 		if test "$retcode" -ne 0
 		then
@@ -425,7 +425,7 @@ fi
 if test "$do_scftorture" = "yes"
 then
 	# Scale memory based on the number of CPUs.
-	scfmem=$((2+HALF_ALLOTED_CPUS/16))
+	scfmem=$((3+HALF_ALLOTED_CPUS/16))
 	torture_bootargs="scftorture.nthreads=$HALF_ALLOTED_CPUS torture.disable_onoff_at_boot csdlock_debug=1"
 	torture_set "scftorture" tools/testing/selftests/rcutorture/bin/kvm.sh --torture scf --allcpus --duration "$duration_scftorture" --configs "$configs_scftorture" --kconfig "CONFIG_NR_CPUS=$HALF_ALLOTED_CPUS" --memory ${scfmem}G --trust-make
 fi
@@ -559,7 +559,7 @@ do_kcsan="$do_kcsan_save"
 if test "$do_kvfree" = "yes"
 then
 	torture_bootargs="rcuscale.kfree_rcu_test=1 rcuscale.kfree_nthreads=16 rcuscale.holdoff=20 rcuscale.kfree_loops=10000 torture.disable_onoff_at_boot"
-	torture_set "rcuscale-kvfree" tools/testing/selftests/rcutorture/bin/kvm.sh --torture rcuscale --allcpus --duration 10 --kconfig "CONFIG_NR_CPUS=$HALF_ALLOTED_CPUS" --memory 2G --trust-make
+	torture_set "rcuscale-kvfree" tools/testing/selftests/rcutorture/bin/kvm.sh --torture rcuscale --allcpus --duration $duration_rcutorture --kconfig "CONFIG_NR_CPUS=$HALF_ALLOTED_CPUS" --memory 2G --trust-make
 fi
 
 if test "$do_clocksourcewd" = "yes"
diff --git a/tools/testing/selftests/rcutorture/configs/rcu/TREE09 b/tools/testing/selftests/rcutorture/configs/rcu/TREE09
index fc45645bb5f4..9ecd1b4e653d 100644
--- a/tools/testing/selftests/rcutorture/configs/rcu/TREE09
+++ b/tools/testing/selftests/rcutorture/configs/rcu/TREE09
@@ -10,8 +10,9 @@ CONFIG_NO_HZ_FULL=n
 CONFIG_RCU_TRACE=n
 CONFIG_RCU_NOCB_CPU=n
 CONFIG_DEBUG_LOCK_ALLOC=n
-CONFIG_RCU_BOOST=n
+CONFIG_RCU_BOOST=y
+CONFIG_RCU_BOOST_DELAY=100
 CONFIG_DEBUG_OBJECTS_RCU_HEAD=n
-#CHECK#CONFIG_RCU_EXPERT=n
+CONFIG_RCU_EXPERT=y
 CONFIG_KPROBES=n
 CONFIG_FTRACE=n
diff --git a/tools/testing/selftests/vDSO/vdso_config.h b/tools/testing/selftests/vDSO/vdso_config.h
index cdfed403ba13..7b543e7f04d7 100644
--- a/tools/testing/selftests/vDSO/vdso_config.h
+++ b/tools/testing/selftests/vDSO/vdso_config.h
@@ -53,15 +53,19 @@
 #if __riscv_xlen == 32
 #define VDSO_32BIT		1
 #endif
+#elif defined(__loongarch__)
+#define VDSO_VERSION		6
+#define VDSO_NAMES		1
 #endif
 
-static const char *versions[6] = {
+static const char *versions[7] = {
 	"LINUX_2.6",
 	"LINUX_2.6.15",
 	"LINUX_2.6.29",
 	"LINUX_2.6.39",
 	"LINUX_4",
 	"LINUX_4.15",
+	"LINUX_5.10"
 };
 
 static const char *names[2][6] = {
diff --git a/tools/testing/selftests/vDSO/vdso_test_getcpu.c b/tools/testing/selftests/vDSO/vdso_test_getcpu.c
index 1df5d057d79f..b758f68c6c9c 100644
--- a/tools/testing/selftests/vDSO/vdso_test_getcpu.c
+++ b/tools/testing/selftests/vDSO/vdso_test_getcpu.c
@@ -13,13 +13,7 @@
 
 #include "../kselftest.h"
 #include "parse_vdso.h"
-
-#if defined(__riscv)
-const char *version = "LINUX_4.15";
-#else
-const char *version = "LINUX_2.6";
-#endif
-const char *name = "__vdso_getcpu";
+#include "vdso_config.h"
 
 struct getcpu_cache;
 typedef long (*getcpu_t)(unsigned int *, unsigned int *,
@@ -27,6 +21,8 @@ typedef long (*getcpu_t)(unsigned int *, unsigned int *,
 
 int main(int argc, char **argv)
 {
+	const char *version = versions[VDSO_VERSION];
+	const char **name = (const char **)&names[VDSO_NAMES];
 	unsigned long sysinfo_ehdr;
 	unsigned int cpu, node;
 	getcpu_t get_cpu;
@@ -40,9 +36,9 @@ int main(int argc, char **argv)
 
 	vdso_init_from_sysinfo_ehdr(getauxval(AT_SYSINFO_EHDR));
 
-	get_cpu = (getcpu_t)vdso_sym(version, name);
+	get_cpu = (getcpu_t)vdso_sym(version, name[4]);
 	if (!get_cpu) {
-		printf("Could not find %s\n", name);
+		printf("Could not find %s\n", name[4]);
 		return KSFT_SKIP;
 	}
 
@@ -50,7 +46,7 @@ int main(int argc, char **argv)
 	if (ret == 0) {
 		printf("Running on CPU %u node %u\n", cpu, node);
 	} else {
-		printf("%s failed\n", name);
+		printf("%s failed\n", name[4]);
 		return KSFT_FAIL;
 	}
 
diff --git a/tools/testing/selftests/vDSO/vdso_test_gettimeofday.c b/tools/testing/selftests/vDSO/vdso_test_gettimeofday.c
index e411f287a426..ee4f1ca56a71 100644
--- a/tools/testing/selftests/vDSO/vdso_test_gettimeofday.c
+++ b/tools/testing/selftests/vDSO/vdso_test_gettimeofday.c
@@ -18,25 +18,13 @@
 
 #include "../kselftest.h"
 #include "parse_vdso.h"
-
-/*
- * ARM64's vDSO exports its gettimeofday() implementation with a different
- * name and version from other architectures, so we need to handle it as
- * a special case.
- */
-#if defined(__aarch64__)
-const char *version = "LINUX_2.6.39";
-const char *name = "__kernel_gettimeofday";
-#elif defined(__riscv)
-const char *version = "LINUX_4.15";
-const char *name = "__vdso_gettimeofday";
-#else
-const char *version = "LINUX_2.6";
-const char *name = "__vdso_gettimeofday";
-#endif
+#include "vdso_config.h"
 
 int main(int argc, char **argv)
 {
+	const char *version = versions[VDSO_VERSION];
+	const char **name = (const char **)&names[VDSO_NAMES];
+
 	unsigned long sysinfo_ehdr = getauxval(AT_SYSINFO_EHDR);
 	if (!sysinfo_ehdr) {
 		printf("AT_SYSINFO_EHDR is not present!\n");
@@ -47,10 +35,10 @@ int main(int argc, char **argv)
 
 	/* Find gettimeofday. */
 	typedef long (*gtod_t)(struct timeval *tv, struct timezone *tz);
-	gtod_t gtod = (gtod_t)vdso_sym(version, name);
+	gtod_t gtod = (gtod_t)vdso_sym(version, name[0]);
 
 	if (!gtod) {
-		printf("Could not find %s\n", name);
+		printf("Could not find %s\n", name[0]);
 		return KSFT_SKIP;
 	}
 
@@ -61,7 +49,7 @@ int main(int argc, char **argv)
 		printf("The time is %lld.%06lld\n",
 		       (long long)tv.tv_sec, (long long)tv.tv_usec);
 	} else {
-		printf("%s failed\n", name);
+		printf("%s failed\n", name[0]);
 		return KSFT_FAIL;
 	}
 
diff --git a/tools/testing/selftests/wireguard/qemu/arch/riscv32.config b/tools/testing/selftests/wireguard/qemu/arch/riscv32.config
index a7f8e8a95625..66290cf289a9 100644
--- a/tools/testing/selftests/wireguard/qemu/arch/riscv32.config
+++ b/tools/testing/selftests/wireguard/qemu/arch/riscv32.config
@@ -2,7 +2,7 @@ CONFIG_NONPORTABLE=y
 CONFIG_ARCH_RV32I=y
 CONFIG_MMU=y
 CONFIG_FPU=y
-CONFIG_SOC_VIRT=y
+CONFIG_ARCH_VIRT=y
 CONFIG_RISCV_ISA_FALLBACK=y
 CONFIG_SERIAL_8250=y
 CONFIG_SERIAL_8250_CONSOLE=y
diff --git a/tools/testing/selftests/wireguard/qemu/arch/riscv64.config b/tools/testing/selftests/wireguard/qemu/arch/riscv64.config
index daeb3e5e0965..db1aa9f388b9 100644
--- a/tools/testing/selftests/wireguard/qemu/arch/riscv64.config
+++ b/tools/testing/selftests/wireguard/qemu/arch/riscv64.config
@@ -1,7 +1,7 @@
 CONFIG_ARCH_RV64I=y
 CONFIG_MMU=y
 CONFIG_FPU=y
-CONFIG_SOC_VIRT=y
+CONFIG_ARCH_VIRT=y
 CONFIG_RISCV_ISA_FALLBACK=y
 CONFIG_SERIAL_8250=y
 CONFIG_SERIAL_8250_CONSOLE=y