Merge remote-tracking branch 'torvalds/master' into perf/urgent

To get some newer headers that got out of sync with the copies in tools/
so that we can try to have the tools/perf/ build clean for v5.8 with
fewer pull requests.

Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

70 files changed, 935 insertions, 212 deletions

diff --git a/tools/bootconfig/test-bootconfig.sh b/tools/bootconfig/test-bootconfig.sh
index 81b350ffd03f..eff16b77d5eb 100755
--- a/tools/bootconfig/test-bootconfig.sh
+++ b/tools/bootconfig/test-bootconfig.sh
@@ -124,9 +124,16 @@ for i in samples/good-* ; do
   xpass $BOOTCONF -a $i $INITRD
 done
 
+
+echo
+echo "=== Summary ==="
+echo "# of Passed: $(expr $NO - $NG - 1)"
+echo "# of Failed: $NG"
+
 echo
 if [ $NG -eq 0 ]; then
 	echo "All tests passed"
 else
 	echo "$NG tests failed"
+	exit 1
 fi
diff --git a/tools/bpf/Makefile b/tools/bpf/Makefile
index 77472e28c8fd..6df1850f8353 100644
--- a/tools/bpf/Makefile
+++ b/tools/bpf/Makefile
@@ -3,7 +3,6 @@ include ../scripts/Makefile.include
 
 prefix ?= /usr/local
 
-CC = gcc
 LEX = flex
 YACC = bison
 MAKE = make
diff --git a/tools/bpf/bpftool/gen.c b/tools/bpf/bpftool/gen.c
index a3c4bb86c05a..10de76b296ba 100644
--- a/tools/bpf/bpftool/gen.c
+++ b/tools/bpf/bpftool/gen.c
@@ -200,7 +200,7 @@ out:
 	return err;
 }
 
-static int codegen(const char *template, ...)
+static void codegen(const char *template, ...)
 {
 	const char *src, *end;
 	int skip_tabs = 0, n;
@@ -211,7 +211,7 @@ static int codegen(const char *template, ...)
 	n = strlen(template);
 	s = malloc(n + 1);
 	if (!s)
-		return -ENOMEM;
+		exit(-1);
 	src = template;
 	dst = s;
 
@@ -224,7 +224,8 @@ static int codegen(const char *template, ...)
 		} else {
 			p_err("unrecognized character at pos %td in template '%s'",
 			      src - template - 1, template);
-			return -EINVAL;
+			free(s);
+			exit(-1);
 		}
 	}
 
@@ -234,7 +235,8 @@ static int codegen(const char *template, ...)
 			if (*src != '\t') {
 				p_err("not enough tabs at pos %td in template '%s'",
 				      src - template - 1, template);
-				return -EINVAL;
+				free(s);
+				exit(-1);
 			}
 		}
 		/* trim trailing whitespace */
@@ -255,7 +257,6 @@ static int codegen(const char *template, ...)
 	va_end(args);
 
 	free(s);
-	return n;
 }
 
 static int do_skeleton(int argc, char **argv)
diff --git a/tools/include/linux/kallsyms.h b/tools/include/linux/kallsyms.h
index 89ca6fe257cc..efb6c3f5f2a9 100644
--- a/tools/include/linux/kallsyms.h
+++ b/tools/include/linux/kallsyms.h
@@ -20,7 +20,7 @@ static inline const char *kallsyms_lookup(unsigned long addr,
 
 #include <execinfo.h>
 #include <stdlib.h>
-static inline void print_ip_sym(unsigned long ip)
+static inline void print_ip_sym(const char *loglvl, unsigned long ip)
 {
 	char **name;
 
diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h
index c65b374a5090..19684813faae 100644
--- a/tools/include/uapi/linux/bpf.h
+++ b/tools/include/uapi/linux/bpf.h
@@ -3761,6 +3761,19 @@ struct xdp_md {
 	__u32 egress_ifindex;  /* txq->dev->ifindex */
 };
 
+/* DEVMAP map-value layout
+ *
+ * The struct data-layout of map-value is a configuration interface.
+ * New members can only be added to the end of this structure.
+ */
+struct bpf_devmap_val {
+	__u32 ifindex;   /* device index */
+	union {
+		int   fd;  /* prog fd on map write */
+		__u32 id;  /* prog id on map read */
+	} bpf_prog;
+};
+
 enum sk_action {
 	SK_DROP = 0,
 	SK_PASS,
diff --git a/tools/lib/bpf/btf_dump.c b/tools/lib/bpf/btf_dump.c
index de07e559a11d..bbb430317260 100644
--- a/tools/lib/bpf/btf_dump.c
+++ b/tools/lib/bpf/btf_dump.c
@@ -1137,6 +1137,20 @@ static void btf_dump_emit_mods(struct btf_dump *d, struct id_stack *decl_stack)
 	}
 }
 
+static void btf_dump_drop_mods(struct btf_dump *d, struct id_stack *decl_stack)
+{
+	const struct btf_type *t;
+	__u32 id;
+
+	while (decl_stack->cnt) {
+		id = decl_stack->ids[decl_stack->cnt - 1];
+		t = btf__type_by_id(d->btf, id);
+		if (!btf_is_mod(t))
+			return;
+		decl_stack->cnt--;
+	}
+}
+
 static void btf_dump_emit_name(const struct btf_dump *d,
 			       const char *name, bool last_was_ptr)
 {
@@ -1235,14 +1249,7 @@ static void btf_dump_emit_type_chain(struct btf_dump *d,
 			 * a const/volatile modifier for array, so we are
 			 * going to silently skip them here.
 			 */
-			while (decls->cnt) {
-				next_id = decls->ids[decls->cnt - 1];
-				next_t = btf__type_by_id(d->btf, next_id);
-				if (btf_is_mod(next_t))
-					decls->cnt--;
-				else
-					break;
-			}
+			btf_dump_drop_mods(d, decls);
 
 			if (decls->cnt == 0) {
 				btf_dump_emit_name(d, fname, last_was_ptr);
@@ -1270,7 +1277,15 @@ static void btf_dump_emit_type_chain(struct btf_dump *d,
 			__u16 vlen = btf_vlen(t);
 			int i;
 
-			btf_dump_emit_mods(d, decls);
+			/*
+			 * GCC emits extra volatile qualifier for
+			 * __attribute__((noreturn)) function pointers. Clang
+			 * doesn't do it. It's a GCC quirk for backwards
+			 * compatibility with code written for GCC <2.5. So,
+			 * similarly to extra qualifiers for array, just drop
+			 * them, instead of handling them.
+			 */
+			btf_dump_drop_mods(d, decls);
 			if (decls->cnt) {
 				btf_dump_printf(d, " (");
 				btf_dump_emit_type_chain(d, decls, fname, lvl);
diff --git a/tools/lib/bpf/hashmap.h b/tools/lib/bpf/hashmap.h
index e823b35e7371..df59fd4fc95b 100644
--- a/tools/lib/bpf/hashmap.h
+++ b/tools/lib/bpf/hashmap.h
@@ -10,10 +10,9 @@
 
 #include <stdbool.h>
 #include <stddef.h>
-#ifdef __GLIBC__
-#include <bits/wordsize.h>
-#else
-#include <bits/reg.h>
+#include <limits.h>
+#ifndef __WORDSIZE
+#define __WORDSIZE (__SIZEOF_LONG__ * 8)
 #endif
 
 static inline size_t hash_bits(size_t h, int bits)
diff --git a/tools/lib/bpf/libbpf.c b/tools/lib/bpf/libbpf.c
index 7f01be2b88b8..477c679ed945 100644
--- a/tools/lib/bpf/libbpf.c
+++ b/tools/lib/bpf/libbpf.c
@@ -3564,10 +3564,6 @@ bpf_object__populate_internal_map(struct bpf_object *obj, struct bpf_map *map)
 	char *cp, errmsg[STRERR_BUFSIZE];
 	int err, zero = 0;
 
-	/* kernel already zero-initializes .bss map. */
-	if (map_type == LIBBPF_MAP_BSS)
-		return 0;
-
 	err = bpf_map_update_elem(map->fd, &zero, map->mmaped, 0);
 	if (err) {
 		err = -errno;
diff --git a/tools/objtool/check.c b/tools/objtool/check.c
index 63d65a702900..5fbb90a80d23 100644
--- a/tools/objtool/check.c
+++ b/tools/objtool/check.c
@@ -505,6 +505,28 @@ static const char *uaccess_safe_builtin[] = {
 	"__asan_report_store4_noabort",
 	"__asan_report_store8_noabort",
 	"__asan_report_store16_noabort",
+	/* KCSAN */
+	"__kcsan_check_access",
+	"kcsan_found_watchpoint",
+	"kcsan_setup_watchpoint",
+	"kcsan_check_scoped_accesses",
+	"kcsan_disable_current",
+	"kcsan_enable_current_nowarn",
+	/* KCSAN/TSAN */
+	"__tsan_func_entry",
+	"__tsan_func_exit",
+	"__tsan_read_range",
+	"__tsan_write_range",
+	"__tsan_read1",
+	"__tsan_read2",
+	"__tsan_read4",
+	"__tsan_read8",
+	"__tsan_read16",
+	"__tsan_write1",
+	"__tsan_write2",
+	"__tsan_write4",
+	"__tsan_write8",
+	"__tsan_write16",
 	/* KCOV */
 	"write_comp_data",
 	"check_kcov_mode",
diff --git a/tools/power/acpi/os_specific/service_layers/oslinuxtbl.c b/tools/power/acpi/os_specific/service_layers/oslinuxtbl.c
index 5aaddc79adf7..dd38c2b2e1b4 100644
--- a/tools/power/acpi/os_specific/service_layers/oslinuxtbl.c
+++ b/tools/power/acpi/os_specific/service_layers/oslinuxtbl.c
@@ -35,7 +35,7 @@ static acpi_status osl_add_table_to_list(char *signature, u32 instance);
 static acpi_status
 osl_read_table_from_file(char *filename,
 			 acpi_size file_offset,
-			 char *signature, struct acpi_table_header **table);
+			 struct acpi_table_header **table);
 
 static acpi_status
 osl_map_table(acpi_size address,
@@ -1184,8 +1184,6 @@ osl_table_name_from_file(char *filename, char *signature, u32 *instance)
  *
  * PARAMETERS:  filename            - File that contains the desired table
  *              file_offset         - Offset of the table in file
- *              signature           - Optional ACPI Signature for desired table.
- *                                    A null terminated 4-character string.
  *              table               - Where a pointer to the table is returned
  *
  * RETURN:      Status; Table buffer is returned if AE_OK.
@@ -1197,7 +1195,7 @@ osl_table_name_from_file(char *filename, char *signature, u32 *instance)
 static acpi_status
 osl_read_table_from_file(char *filename,
 			 acpi_size file_offset,
-			 char *signature, struct acpi_table_header **table)
+			 struct acpi_table_header **table)
 {
 	FILE *table_file;
 	struct acpi_table_header header;
@@ -1225,6 +1223,8 @@ osl_read_table_from_file(char *filename,
 		goto exit;
 	}
 
+#ifdef ACPI_OBSOLETE_FUNCTIONS
+
 	/* If signature is specified, it must match the table */
 
 	if (signature) {
@@ -1244,6 +1244,7 @@ osl_read_table_from_file(char *filename,
 			goto exit;
 		}
 	}
+#endif
 
 	table_length = ap_get_table_length(&header);
 	if (table_length == 0) {
@@ -1366,7 +1367,7 @@ osl_get_customized_table(char *pathname,
 	/* There is no physical address saved for customized tables, use zero */
 
 	*address = 0;
-	status = osl_read_table_from_file(table_filename, 0, NULL, table);
+	status = osl_read_table_from_file(table_filename, 0, table);
 
 	return (status);
 }
diff --git a/tools/testing/kunit/kunit.py b/tools/testing/kunit/kunit.py
index 7dca74774dd2..787b6d4ad716 100755
--- a/tools/testing/kunit/kunit.py
+++ b/tools/testing/kunit/kunit.py
@@ -20,11 +20,20 @@ import kunit_config
 import kunit_kernel
 import kunit_parser
 
-KunitResult = namedtuple('KunitResult', ['status','result'])
+KunitResult = namedtuple('KunitResult', ['status','result','elapsed_time'])
 
+KunitConfigRequest = namedtuple('KunitConfigRequest',
+				['build_dir', 'make_options'])
+KunitBuildRequest = namedtuple('KunitBuildRequest',
+			       ['jobs', 'build_dir', 'alltests',
+				'make_options'])
+KunitExecRequest = namedtuple('KunitExecRequest',
+			      ['timeout', 'build_dir', 'alltests'])
+KunitParseRequest = namedtuple('KunitParseRequest',
+			       ['raw_output', 'input_data'])
 KunitRequest = namedtuple('KunitRequest', ['raw_output','timeout', 'jobs',
-					   'build_dir', 'defconfig',
-					   'alltests', 'make_options'])
+					   'build_dir', 'alltests',
+					   'make_options'])
 
 KernelDirectoryPath = sys.argv[0].split('tools/testing/kunit/')[0]
 
@@ -46,14 +55,24 @@ def get_kernel_root_path():
 		sys.exit(1)
 	return parts[0]
 
-def run_tests(linux: kunit_kernel.LinuxSourceTree,
-	      request: KunitRequest) -> KunitResult:
+def config_tests(linux: kunit_kernel.LinuxSourceTree,
+		 request: KunitConfigRequest) -> KunitResult:
+	kunit_parser.print_with_timestamp('Configuring KUnit Kernel ...')
+
 	config_start = time.time()
+	create_default_kunitconfig()
 	success = linux.build_reconfig(request.build_dir, request.make_options)
 	config_end = time.time()
 	if not success:
-		return KunitResult(KunitStatus.CONFIG_FAILURE, 'could not configure kernel')
+		return KunitResult(KunitStatus.CONFIG_FAILURE,
+				   'could not configure kernel',
+				   config_end - config_start)
+	return KunitResult(KunitStatus.SUCCESS,
+			   'configured kernel successfully',
+			   config_end - config_start)
 
+def build_tests(linux: kunit_kernel.LinuxSourceTree,
+		request: KunitBuildRequest) -> KunitResult:
 	kunit_parser.print_with_timestamp('Building KUnit Kernel ...')
 
 	build_start = time.time()
@@ -64,86 +83,166 @@ def run_tests(linux: kunit_kernel.LinuxSourceTree,
 	build_end = time.time()
 	if not success:
 		return KunitResult(KunitStatus.BUILD_FAILURE, 'could not build kernel')
+	if not success:
+		return KunitResult(KunitStatus.BUILD_FAILURE,
+				   'could not build kernel',
+				   build_end - build_start)
+	return KunitResult(KunitStatus.SUCCESS,
+			   'built kernel successfully',
+			   build_end - build_start)
 
+def exec_tests(linux: kunit_kernel.LinuxSourceTree,
+	       request: KunitExecRequest) -> KunitResult:
 	kunit_parser.print_with_timestamp('Starting KUnit Kernel ...')
 	test_start = time.time()
-	kunit_output = linux.run_kernel(
+	result = linux.run_kernel(
 		timeout=None if request.alltests else request.timeout,
 		build_dir=request.build_dir)
+
+	test_end = time.time()
+
+	return KunitResult(KunitStatus.SUCCESS,
+			   result,
+			   test_end - test_start)
+
+def parse_tests(request: KunitParseRequest) -> KunitResult:
+	parse_start = time.time()
+
+	test_result = kunit_parser.TestResult(kunit_parser.TestStatus.SUCCESS,
+					      [],
+					      'Tests not Parsed.')
 	if request.raw_output:
-		raw_output = kunit_parser.raw_output(kunit_output)
-		isolated = list(kunit_parser.isolate_kunit_output(raw_output))
-		test_result = kunit_parser.parse_test_result(isolated)
+		kunit_parser.raw_output(request.input_data)
 	else:
-		test_result = kunit_parser.parse_run_tests(kunit_output)
-	test_end = time.time()
+		test_result = kunit_parser.parse_run_tests(request.input_data)
+	parse_end = time.time()
+
+	if test_result.status != kunit_parser.TestStatus.SUCCESS:
+		return KunitResult(KunitStatus.TEST_FAILURE, test_result,
+				   parse_end - parse_start)
+
+	return KunitResult(KunitStatus.SUCCESS, test_result,
+				parse_end - parse_start)
+
+
+def run_tests(linux: kunit_kernel.LinuxSourceTree,
+	      request: KunitRequest) -> KunitResult:
+	run_start = time.time()
+
+	config_request = KunitConfigRequest(request.build_dir,
+					    request.make_options)
+	config_result = config_tests(linux, config_request)
+	if config_result.status != KunitStatus.SUCCESS:
+		return config_result
+
+	build_request = KunitBuildRequest(request.jobs, request.build_dir,
+					  request.alltests,
+					  request.make_options)
+	build_result = build_tests(linux, build_request)
+	if build_result.status != KunitStatus.SUCCESS:
+		return build_result
+
+	exec_request = KunitExecRequest(request.timeout, request.build_dir,
+					request.alltests)
+	exec_result = exec_tests(linux, exec_request)
+	if exec_result.status != KunitStatus.SUCCESS:
+		return exec_result
+
+	parse_request = KunitParseRequest(request.raw_output,
+					  exec_result.result)
+	parse_result = parse_tests(parse_request)
+
+	run_end = time.time()
 
 	kunit_parser.print_with_timestamp((
 		'Elapsed time: %.3fs total, %.3fs configuring, %.3fs ' +
 		'building, %.3fs running\n') % (
-				test_end - config_start,
-				config_end - config_start,
-				build_end - build_start,
-				test_end - test_start))
+				run_end - run_start,
+				config_result.elapsed_time,
+				build_result.elapsed_time,
+				exec_result.elapsed_time))
+	return parse_result
+
+def add_common_opts(parser):
+	parser.add_argument('--build_dir',
+			    help='As in the make command, it specifies the build '
+			    'directory.',
+                            type=str, default='.kunit', metavar='build_dir')
+	parser.add_argument('--make_options',
+			    help='X=Y make option, can be repeated.',
+			    action='append')
+	parser.add_argument('--alltests',
+			    help='Run all KUnit tests through allyesconfig',
+			    action='store_true')
+
+def add_build_opts(parser):
+	parser.add_argument('--jobs',
+			    help='As in the make command, "Specifies  the number of '
+			    'jobs (commands) to run simultaneously."',
+			    type=int, default=8, metavar='jobs')
+
+def add_exec_opts(parser):
+	parser.add_argument('--timeout',
+			    help='maximum number of seconds to allow for all tests '
+			    'to run. This does not include time taken to build the '
+			    'tests.',
+			    type=int,
+			    default=300,
+			    metavar='timeout')
+
+def add_parse_opts(parser):
+	parser.add_argument('--raw_output', help='don\'t format output from kernel',
+			    action='store_true')
 
-	if test_result.status != kunit_parser.TestStatus.SUCCESS:
-		return KunitResult(KunitStatus.TEST_FAILURE, test_result)
-	else:
-		return KunitResult(KunitStatus.SUCCESS, test_result)
 
 def main(argv, linux=None):
 	parser = argparse.ArgumentParser(
 			description='Helps writing and running KUnit tests.')
 	subparser = parser.add_subparsers(dest='subcommand')
 
+	# The 'run' command will config, build, exec, and parse in one go.
 	run_parser = subparser.add_parser('run', help='Runs KUnit tests.')
-	run_parser.add_argument('--raw_output', help='don\'t format output from kernel',
-				action='store_true')
-
-	run_parser.add_argument('--timeout',
-				help='maximum number of seconds to allow for all tests '
-				'to run. This does not include time taken to build the '
-				'tests.',
-				type=int,
-				default=300,
-				metavar='timeout')
-
-	run_parser.add_argument('--jobs',
-				help='As in the make command, "Specifies  the number of '
-				'jobs (commands) to run simultaneously."',
-				type=int, default=8, metavar='jobs')
-
-	run_parser.add_argument('--build_dir',
-				help='As in the make command, it specifies the build '
-				'directory.',
-				type=str, default='', metavar='build_dir')
-
-	run_parser.add_argument('--defconfig',
-				help='Uses a default .kunitconfig.',
-				action='store_true')
-
-	run_parser.add_argument('--alltests',
-				help='Run all KUnit tests through allyesconfig',
-				action='store_true')
-
-	run_parser.add_argument('--make_options',
-				help='X=Y make option, can be repeated.',
-				action='append')
+	add_common_opts(run_parser)
+	add_build_opts(run_parser)
+	add_exec_opts(run_parser)
+	add_parse_opts(run_parser)
+
+	config_parser = subparser.add_parser('config',
+						help='Ensures that .config contains all of '
+						'the options in .kunitconfig')
+	add_common_opts(config_parser)
+
+	build_parser = subparser.add_parser('build', help='Builds a kernel with KUnit tests')
+	add_common_opts(build_parser)
+	add_build_opts(build_parser)
+
+	exec_parser = subparser.add_parser('exec', help='Run a kernel with KUnit tests')
+	add_common_opts(exec_parser)
+	add_exec_opts(exec_parser)
+	add_parse_opts(exec_parser)
+
+	# The 'parse' option is special, as it doesn't need the kernel source
+	# (therefore there is no need for a build_dir, hence no add_common_opts)
+	# and the '--file' argument is not relevant to 'run', so isn't in
+	# add_parse_opts()
+	parse_parser = subparser.add_parser('parse',
+					    help='Parses KUnit results from a file, '
+					    'and parses formatted results.')
+	add_parse_opts(parse_parser)
+	parse_parser.add_argument('file',
+				  help='Specifies the file to read results from.',
+				  type=str, nargs='?', metavar='input_file')
 
 	cli_args = parser.parse_args(argv)
 
 	if cli_args.subcommand == 'run':
-		if get_kernel_root_path():
-			os.chdir(get_kernel_root_path())
+		if not os.path.exists(cli_args.build_dir):
+			os.mkdir(cli_args.build_dir)
+		kunit_kernel.kunitconfig_path = os.path.join(
+			cli_args.build_dir,
+			kunit_kernel.kunitconfig_path)
 
-		if cli_args.build_dir:
-			if not os.path.exists(cli_args.build_dir):
-				os.mkdir(cli_args.build_dir)
-			kunit_kernel.kunitconfig_path = os.path.join(
-				cli_args.build_dir,
-				kunit_kernel.kunitconfig_path)
-
-		if cli_args.defconfig:
+		if not os.path.exists(kunit_kernel.kunitconfig_path):
 			create_default_kunitconfig()
 
 		if not linux:
@@ -153,12 +252,94 @@ def main(argv, linux=None):
 				       cli_args.timeout,
 				       cli_args.jobs,
 				       cli_args.build_dir,
-				       cli_args.defconfig,
 				       cli_args.alltests,
 				       cli_args.make_options)
 		result = run_tests(linux, request)
 		if result.status != KunitStatus.SUCCESS:
 			sys.exit(1)
+	elif cli_args.subcommand == 'config':
+		if cli_args.build_dir:
+			if not os.path.exists(cli_args.build_dir):
+				os.mkdir(cli_args.build_dir)
+			kunit_kernel.kunitconfig_path = os.path.join(
+				cli_args.build_dir,
+				kunit_kernel.kunitconfig_path)
+
+		if not os.path.exists(kunit_kernel.kunitconfig_path):
+			create_default_kunitconfig()
+
+		if not linux:
+			linux = kunit_kernel.LinuxSourceTree()
+
+		request = KunitConfigRequest(cli_args.build_dir,
+					     cli_args.make_options)
+		result = config_tests(linux, request)
+		kunit_parser.print_with_timestamp((
+			'Elapsed time: %.3fs\n') % (
+				result.elapsed_time))
+		if result.status != KunitStatus.SUCCESS:
+			sys.exit(1)
+	elif cli_args.subcommand == 'build':
+		if cli_args.build_dir:
+			if not os.path.exists(cli_args.build_dir):
+				os.mkdir(cli_args.build_dir)
+			kunit_kernel.kunitconfig_path = os.path.join(
+				cli_args.build_dir,
+				kunit_kernel.kunitconfig_path)
+
+		if not os.path.exists(kunit_kernel.kunitconfig_path):
+			create_default_kunitconfig()
+
+		if not linux:
+			linux = kunit_kernel.LinuxSourceTree()
+
+		request = KunitBuildRequest(cli_args.jobs,
+					    cli_args.build_dir,
+					    cli_args.alltests,
+					    cli_args.make_options)
+		result = build_tests(linux, request)
+		kunit_parser.print_with_timestamp((
+			'Elapsed time: %.3fs\n') % (
+				result.elapsed_time))
+		if result.status != KunitStatus.SUCCESS:
+			sys.exit(1)
+	elif cli_args.subcommand == 'exec':
+		if cli_args.build_dir:
+			if not os.path.exists(cli_args.build_dir):
+				os.mkdir(cli_args.build_dir)
+			kunit_kernel.kunitconfig_path = os.path.join(
+				cli_args.build_dir,
+				kunit_kernel.kunitconfig_path)
+
+		if not os.path.exists(kunit_kernel.kunitconfig_path):
+			create_default_kunitconfig()
+
+		if not linux:
+			linux = kunit_kernel.LinuxSourceTree()
+
+		exec_request = KunitExecRequest(cli_args.timeout,
+						cli_args.build_dir,
+						cli_args.alltests)
+		exec_result = exec_tests(linux, exec_request)
+		parse_request = KunitParseRequest(cli_args.raw_output,
+						  exec_result.result)
+		result = parse_tests(parse_request)
+		kunit_parser.print_with_timestamp((
+			'Elapsed time: %.3fs\n') % (
+				exec_result.elapsed_time))
+		if result.status != KunitStatus.SUCCESS:
+			sys.exit(1)
+	elif cli_args.subcommand == 'parse':
+		if cli_args.file == None:
+			kunit_output = sys.stdin
+		else:
+			with open(cli_args.file, 'r') as f:
+				kunit_output = f.read().splitlines()
+		request = KunitParseRequest(cli_args.raw_output,
+					    kunit_output)
+		result = parse_tests(request)
+		if result.status != KunitStatus.SUCCESS:
+			sys.exit(1)
 	else:
 		parser.print_help()
 
diff --git a/tools/testing/kunit/kunit_tool_test.py b/tools/testing/kunit/kunit_tool_test.py
index 984588d6ba95..5bb7b118ebd9 100755
--- a/tools/testing/kunit/kunit_tool_test.py
+++ b/tools/testing/kunit/kunit_tool_test.py
@@ -239,6 +239,24 @@ class KUnitMainTest(unittest.TestCase):
 		self.print_patch.stop()
 		pass
 
+	def test_config_passes_args_pass(self):
+		kunit.main(['config'], self.linux_source_mock)
+		assert self.linux_source_mock.build_reconfig.call_count == 1
+		assert self.linux_source_mock.run_kernel.call_count == 0
+
+	def test_build_passes_args_pass(self):
+		kunit.main(['build'], self.linux_source_mock)
+		assert self.linux_source_mock.build_reconfig.call_count == 0
+		self.linux_source_mock.build_um_kernel.assert_called_once_with(False, 8, '', None)
+		assert self.linux_source_mock.run_kernel.call_count == 0
+
+	def test_exec_passes_args_pass(self):
+		kunit.main(['exec'], self.linux_source_mock)
+		assert self.linux_source_mock.build_reconfig.call_count == 0
+		assert self.linux_source_mock.run_kernel.call_count == 1
+		self.linux_source_mock.run_kernel.assert_called_once_with(build_dir='', timeout=300)
+		self.print_mock.assert_any_call(StrContains('Testing complete.'))
+
 	def test_run_passes_args_pass(self):
 		kunit.main(['run'], self.linux_source_mock)
 		assert self.linux_source_mock.build_reconfig.call_count == 1
@@ -247,6 +265,13 @@ class KUnitMainTest(unittest.TestCase):
 			build_dir='', timeout=300)
 		self.print_mock.assert_any_call(StrContains('Testing complete.'))
 
+	def test_exec_passes_args_fail(self):
+		self.linux_source_mock.run_kernel = mock.Mock(return_value=[])
+		with self.assertRaises(SystemExit) as e:
+			kunit.main(['exec'], self.linux_source_mock)
+		assert type(e.exception) == SystemExit
+		assert e.exception.code == 1
+
 	def test_run_passes_args_fail(self):
 		self.linux_source_mock.run_kernel = mock.Mock(return_value=[])
 		with self.assertRaises(SystemExit) as e:
@@ -257,14 +282,28 @@ class KUnitMainTest(unittest.TestCase):
 		assert self.linux_source_mock.run_kernel.call_count == 1
 		self.print_mock.assert_any_call(StrContains(' 0 tests run'))
 
+	def test_exec_raw_output(self):
+		self.linux_source_mock.run_kernel = mock.Mock(return_value=[])
+		kunit.main(['exec', '--raw_output'], self.linux_source_mock)
+		assert self.linux_source_mock.run_kernel.call_count == 1
+		for kall in self.print_mock.call_args_list:
+			assert kall != mock.call(StrContains('Testing complete.'))
+			assert kall != mock.call(StrContains(' 0 tests run'))
+
 	def test_run_raw_output(self):
 		self.linux_source_mock.run_kernel = mock.Mock(return_value=[])
-		with self.assertRaises(SystemExit) as e:
-			kunit.main(['run', '--raw_output'], self.linux_source_mock)
-		assert type(e.exception) == SystemExit
-		assert e.exception.code == 1
+		kunit.main(['run', '--raw_output'], self.linux_source_mock)
 		assert self.linux_source_mock.build_reconfig.call_count == 1
 		assert self.linux_source_mock.run_kernel.call_count == 1
+		for kall in self.print_mock.call_args_list:
+			assert kall != mock.call(StrContains('Testing complete.'))
+			assert kall != mock.call(StrContains(' 0 tests run'))
+
+	def test_exec_timeout(self):
+		timeout = 3453
+		kunit.main(['exec', '--timeout', str(timeout)], self.linux_source_mock)
+		self.linux_source_mock.run_kernel.assert_called_once_with(build_dir='', timeout=timeout)
+		self.print_mock.assert_any_call(StrContains('Testing complete.'))
 
 	def test_run_timeout(self):
 		timeout = 3453
@@ -282,5 +321,21 @@ class KUnitMainTest(unittest.TestCase):
 			build_dir=build_dir, timeout=300)
 		self.print_mock.assert_any_call(StrContains('Testing complete.'))
 
+	def test_config_builddir(self):
+		build_dir = '.kunit'
+		kunit.main(['config', '--build_dir', build_dir], self.linux_source_mock)
+		assert self.linux_source_mock.build_reconfig.call_count == 1
+
+	def test_build_builddir(self):
+		build_dir = '.kunit'
+		kunit.main(['build', '--build_dir', build_dir], self.linux_source_mock)
+		self.linux_source_mock.build_um_kernel.assert_called_once_with(False, 8, build_dir, None)
+
+	def test_exec_builddir(self):
+		build_dir = '.kunit'
+		kunit.main(['exec', '--build_dir', build_dir], self.linux_source_mock)
+		self.linux_source_mock.run_kernel.assert_called_once_with(build_dir=build_dir, timeout=300)
+		self.print_mock.assert_any_call(StrContains('Testing complete.'))
+
 if __name__ == '__main__':
 	unittest.main()
diff --git a/tools/testing/nvdimm/test/nfit_test.h b/tools/testing/nvdimm/test/nfit_test.h
index db3c07beb9d1..b5f7a996c4d0 100644
--- a/tools/testing/nvdimm/test/nfit_test.h
+++ b/tools/testing/nvdimm/test/nfit_test.h
@@ -51,7 +51,7 @@ struct nd_cmd_translate_spa {
 		__u32 nfit_device_handle;
 		__u32 _reserved;
 		__u64 dpa;
-	} __packed devices[0];
+	} __packed devices[];
 
 } __packed;
 
@@ -74,7 +74,7 @@ struct nd_cmd_ars_err_inj_stat {
 	struct nd_error_stat_query_record {
 		__u64 err_inj_stat_spa_range_base;
 		__u64 err_inj_stat_spa_range_length;
-	} __packed record[0];
+	} __packed record[];
 } __packed;
 
 #define ND_INTEL_SMART			 1
@@ -180,7 +180,7 @@ struct nd_intel_fw_send_data {
 	__u32 context;
 	__u32 offset;
 	__u32 length;
-	__u8 data[0];
+	__u8 data[];
 /* this field is not declared due ot variable data from input */
 /*	__u32 status; */
 } __packed;
diff --git a/tools/testing/selftests/Makefile b/tools/testing/selftests/Makefile
index 2ff68702fd41..1195bd85af38 100644
--- a/tools/testing/selftests/Makefile
+++ b/tools/testing/selftests/Makefile
@@ -249,10 +249,17 @@ else
 	$(error Error: set INSTALL_PATH to use install)
 endif
 
+FORMAT ?= .gz
+TAR_PATH = $(abspath ${INSTALL_PATH}/kselftest-packages/kselftest.tar${FORMAT})
+gen_tar: install
+	@mkdir -p ${INSTALL_PATH}/kselftest-packages/
+	@tar caf ${TAR_PATH} --exclude=kselftest-packages -C ${INSTALL_PATH} .
+	@echo "Created ${TAR_PATH}"
+
 clean:
 	@for TARGET in $(TARGETS); do \
 		BUILD_TARGET=$$BUILD/$$TARGET;	\
 		$(MAKE) OUTPUT=$$BUILD_TARGET -C $$TARGET clean;\
 	done;
 
-.PHONY: khdr all run_tests hotplug run_hotplug clean_hotplug run_pstore_crash install clean
+.PHONY: khdr all run_tests hotplug run_hotplug clean_hotplug run_pstore_crash install clean gen_tar
diff --git a/tools/testing/selftests/bpf/prog_tests/cgroup_attach_multi.c b/tools/testing/selftests/bpf/prog_tests/cgroup_attach_multi.c
index 139f8e82c7c6..b549fcfacc0b 100644
--- a/tools/testing/selftests/bpf/prog_tests/cgroup_attach_multi.c
+++ b/tools/testing/selftests/bpf/prog_tests/cgroup_attach_multi.c
@@ -230,6 +230,13 @@ void test_cgroup_attach_multi(void)
 		  "prog_replace", "errno=%d\n", errno))
 		goto err;
 
+	/* replace program with itself */
+	attach_opts.replace_prog_fd = allow_prog[6];
+	if (CHECK(bpf_prog_attach_xattr(allow_prog[6], cg1,
+					BPF_CGROUP_INET_EGRESS, &attach_opts),
+		  "prog_replace", "errno=%d\n", errno))
+		goto err;
+
 	value = 0;
 	CHECK_FAIL(bpf_map_update_elem(map_fd, &key, &value, 0));
 	CHECK_FAIL(system(PING_CMD));
diff --git a/tools/testing/selftests/bpf/prog_tests/load_bytes_relative.c b/tools/testing/selftests/bpf/prog_tests/load_bytes_relative.c
new file mode 100644
index 000000000000..c1168e4a9036
--- /dev/null
+++ b/tools/testing/selftests/bpf/prog_tests/load_bytes_relative.c
@@ -0,0 +1,71 @@
+// SPDX-License-Identifier: GPL-2.0-only
+
+/*
+ * Copyright 2020 Google LLC.
+ */
+
+#include <test_progs.h>
+#include <network_helpers.h>
+
+void test_load_bytes_relative(void)
+{
+	int server_fd, cgroup_fd, prog_fd, map_fd, client_fd;
+	int err;
+	struct bpf_object *obj;
+	struct bpf_program *prog;
+	struct bpf_map *test_result;
+	__u32 duration = 0;
+
+	__u32 map_key = 0;
+	__u32 map_value = 0;
+
+	cgroup_fd = test__join_cgroup("/load_bytes_relative");
+	if (CHECK_FAIL(cgroup_fd < 0))
+		return;
+
+	server_fd = start_server(AF_INET, SOCK_STREAM);
+	if (CHECK_FAIL(server_fd < 0))
+		goto close_cgroup_fd;
+
+	err = bpf_prog_load("./load_bytes_relative.o", BPF_PROG_TYPE_CGROUP_SKB,
+			    &obj, &prog_fd);
+	if (CHECK_FAIL(err))
+		goto close_server_fd;
+
+	test_result = bpf_object__find_map_by_name(obj, "test_result");
+	if (CHECK_FAIL(!test_result))
+		goto close_bpf_object;
+
+	map_fd = bpf_map__fd(test_result);
+	if (map_fd < 0)
+		goto close_bpf_object;
+
+	prog = bpf_object__find_program_by_name(obj, "load_bytes_relative");
+	if (CHECK_FAIL(!prog))
+		goto close_bpf_object;
+
+	err = bpf_prog_attach(prog_fd, cgroup_fd, BPF_CGROUP_INET_EGRESS,
+			      BPF_F_ALLOW_MULTI);
+	if (CHECK_FAIL(err))
+		goto close_bpf_object;
+
+	client_fd = connect_to_fd(AF_INET, SOCK_STREAM, server_fd);
+	if (CHECK_FAIL(client_fd < 0))
+		goto close_bpf_object;
+	close(client_fd);
+
+	err = bpf_map_lookup_elem(map_fd, &map_key, &map_value);
+	if (CHECK_FAIL(err))
+		goto close_bpf_object;
+
+	CHECK(map_value != 1, "bpf", "bpf program returned failure");
+
+close_bpf_object:
+	bpf_object__close(obj);
+
+close_server_fd:
+	close(server_fd);
+
+close_cgroup_fd:
+	close(cgroup_fd);
+}
diff --git a/tools/testing/selftests/bpf/prog_tests/ringbuf.c b/tools/testing/selftests/bpf/prog_tests/ringbuf.c
index 2bba908dfa63..c1650548433c 100644
--- a/tools/testing/selftests/bpf/prog_tests/ringbuf.c
+++ b/tools/testing/selftests/bpf/prog_tests/ringbuf.c
@@ -25,13 +25,23 @@ struct sample {
 	char comm[16];
 };
 
-static volatile int sample_cnt;
+static int sample_cnt;
+
+static void atomic_inc(int *cnt)
+{
+	__atomic_add_fetch(cnt, 1, __ATOMIC_SEQ_CST);
+}
+
+static int atomic_xchg(int *cnt, int val)
+{
+	return __atomic_exchange_n(cnt, val, __ATOMIC_SEQ_CST);
+}
 
 static int process_sample(void *ctx, void *data, size_t len)
 {
 	struct sample *s = data;
 
-	sample_cnt++;
+	atomic_inc(&sample_cnt);
 
 	switch (s->seq) {
 	case 0:
@@ -76,7 +86,7 @@ void test_ringbuf(void)
 	const size_t rec_sz = BPF_RINGBUF_HDR_SZ + sizeof(struct sample);
 	pthread_t thread;
 	long bg_ret = -1;
-	int err;
+	int err, cnt;
 
 	skel = test_ringbuf__open_and_load();
 	if (CHECK(!skel, "skel_open_load", "skeleton open&load failed\n"))
@@ -116,11 +126,15 @@ void test_ringbuf(void)
 	/* -EDONE is used as an indicator that we are done */
 	if (CHECK(err != -EDONE, "err_done", "done err: %d\n", err))
 		goto cleanup;
+	cnt = atomic_xchg(&sample_cnt, 0);
+	CHECK(cnt != 2, "cnt", "exp %d samples, got %d\n", 2, cnt);
 
 	/* we expect extra polling to return nothing */
 	err = ring_buffer__poll(ringbuf, 0);
 	if (CHECK(err != 0, "extra_samples", "poll result: %d\n", err))
 		goto cleanup;
+	cnt = atomic_xchg(&sample_cnt, 0);
+	CHECK(cnt != 0, "cnt", "exp %d samples, got %d\n", 0, cnt);
 
 	CHECK(skel->bss->dropped != 0, "err_dropped", "exp %ld, got %ld\n",
 	      0L, skel->bss->dropped);
@@ -136,6 +150,8 @@ void test_ringbuf(void)
 	      3L * rec_sz, skel->bss->cons_pos);
 	err = ring_buffer__poll(ringbuf, -1);
 	CHECK(err <= 0, "poll_err", "err %d\n", err);
+	cnt = atomic_xchg(&sample_cnt, 0);
+	CHECK(cnt != 2, "cnt", "exp %d samples, got %d\n", 2, cnt);
 
 	/* start poll in background w/ long timeout */
 	err = pthread_create(&thread, NULL, poll_thread, (void *)(long)10000);
@@ -164,6 +180,8 @@ void test_ringbuf(void)
 	      2L, skel->bss->total);
 	CHECK(skel->bss->discarded != 1, "err_discarded", "exp %ld, got %ld\n",
 	      1L, skel->bss->discarded);
+	cnt = atomic_xchg(&sample_cnt, 0);
+	CHECK(cnt != 0, "cnt", "exp %d samples, got %d\n", 0, cnt);
 
 	/* clear flags to return to "adaptive" notification mode */
 	skel->bss->flags = 0;
@@ -178,10 +196,20 @@ void test_ringbuf(void)
 	if (CHECK(err != EBUSY, "try_join", "err %d\n", err))
 		goto cleanup;
 
+	/* still no samples, because consumer is behind */
+	cnt = atomic_xchg(&sample_cnt, 0);
+	CHECK(cnt != 0, "cnt", "exp %d samples, got %d\n", 0, cnt);
+
+	skel->bss->dropped = 0;
+	skel->bss->total = 0;
+	skel->bss->discarded = 0;
+
+	skel->bss->value = 333;
+	syscall(__NR_getpgid);
 	/* now force notifications */
 	skel->bss->flags = BPF_RB_FORCE_WAKEUP;
-	sample_cnt = 0;
-	trigger_samples();
+	skel->bss->value = 777;
+	syscall(__NR_getpgid);
 
 	/* now we should get a pending notification */
 	usleep(50000);
@@ -193,8 +221,8 @@ void test_ringbuf(void)
 		goto cleanup;
 
 	/* 3 rounds, 2 samples each */
-	CHECK(sample_cnt != 6, "wrong_sample_cnt",
-	      "expected to see %d samples, got %d\n", 6, sample_cnt);
+	cnt = atomic_xchg(&sample_cnt, 0);
+	CHECK(cnt != 6, "cnt", "exp %d samples, got %d\n", 6, cnt);
 
 	/* BPF side did everything right */
 	CHECK(skel->bss->dropped != 0, "err_dropped", "exp %ld, got %ld\n",
diff --git a/tools/testing/selftests/bpf/prog_tests/skeleton.c b/tools/testing/selftests/bpf/prog_tests/skeleton.c
index 9264a2736018..fa153cf67b1b 100644
--- a/tools/testing/selftests/bpf/prog_tests/skeleton.c
+++ b/tools/testing/selftests/bpf/prog_tests/skeleton.c
@@ -15,6 +15,8 @@ void test_skeleton(void)
 	int duration = 0, err;
 	struct test_skeleton* skel;
 	struct test_skeleton__bss *bss;
+	struct test_skeleton__data *data;
+	struct test_skeleton__rodata *rodata;
 	struct test_skeleton__kconfig *kcfg;
 
 	skel = test_skeleton__open();
@@ -24,13 +26,45 @@ void test_skeleton(void)
 	if (CHECK(skel->kconfig, "skel_kconfig", "kconfig is mmaped()!\n"))
 		goto cleanup;
 
+	bss = skel->bss;
+	data = skel->data;
+	rodata = skel->rodata;
+
+	/* validate values are pre-initialized correctly */
+	CHECK(data->in1 != -1, "in1", "got %d != exp %d\n", data->in1, -1);
+	CHECK(data->out1 != -1, "out1", "got %d != exp %d\n", data->out1, -1);
+	CHECK(data->in2 != -1, "in2", "got %lld != exp %lld\n", data->in2, -1LL);
+	CHECK(data->out2 != -1, "out2", "got %lld != exp %lld\n", data->out2, -1LL);
+
+	CHECK(bss->in3 != 0, "in3", "got %d != exp %d\n", bss->in3, 0);
+	CHECK(bss->out3 != 0, "out3", "got %d != exp %d\n", bss->out3, 0);
+	CHECK(bss->in4 != 0, "in4", "got %lld != exp %lld\n", bss->in4, 0LL);
+	CHECK(bss->out4 != 0, "out4", "got %lld != exp %lld\n", bss->out4, 0LL);
+
+	CHECK(rodata->in6 != 0, "in6", "got %d != exp %d\n", rodata->in6, 0);
+	CHECK(bss->out6 != 0, "out6", "got %d != exp %d\n", bss->out6, 0);
+
+	/* validate we can pre-setup global variables, even in .bss */
+	data->in1 = 10;
+	data->in2 = 11;
+	bss->in3 = 12;
+	bss->in4 = 13;
+	rodata->in6 = 14;
+
 	err = test_skeleton__load(skel);
 	if (CHECK(err, "skel_load", "failed to load skeleton: %d\n", err))
 		goto cleanup;
 
-	bss = skel->bss;
-	bss->in1 = 1;
-	bss->in2 = 2;
+	/* validate pre-setup values are still there */
+	CHECK(data->in1 != 10, "in1", "got %d != exp %d\n", data->in1, 10);
+	CHECK(data->in2 != 11, "in2", "got %lld != exp %lld\n", data->in2, 11LL);
+	CHECK(bss->in3 != 12, "in3", "got %d != exp %d\n", bss->in3, 12);
+	CHECK(bss->in4 != 13, "in4", "got %lld != exp %lld\n", bss->in4, 13LL);
+	CHECK(rodata->in6 != 14, "in6", "got %d != exp %d\n", rodata->in6, 14);
+
+	/* now set new values and attach to get them into outX variables */
+	data->in1 = 1;
+	data->in2 = 2;
 	bss->in3 = 3;
 	bss->in4 = 4;
 	bss->in5.a = 5;
@@ -44,14 +78,15 @@ void test_skeleton(void)
 	/* trigger tracepoint */
 	usleep(1);
 
-	CHECK(bss->out1 != 1, "res1", "got %d != exp %d\n", bss->out1, 1);
-	CHECK(bss->out2 != 2, "res2", "got %lld != exp %d\n", bss->out2, 2);
+	CHECK(data->out1 != 1, "res1", "got %d != exp %d\n", data->out1, 1);
+	CHECK(data->out2 != 2, "res2", "got %lld != exp %d\n", data->out2, 2);
 	CHECK(bss->out3 != 3, "res3", "got %d != exp %d\n", (int)bss->out3, 3);
 	CHECK(bss->out4 != 4, "res4", "got %lld != exp %d\n", bss->out4, 4);
 	CHECK(bss->handler_out5.a != 5, "res5", "got %d != exp %d\n",
 	      bss->handler_out5.a, 5);
 	CHECK(bss->handler_out5.b != 6, "res6", "got %lld != exp %d\n",
 	      bss->handler_out5.b, 6);
+	CHECK(bss->out6 != 14, "res7", "got %d != exp %d\n", bss->out6, 14);
 
 	CHECK(bss->bpf_syscall != kcfg->CONFIG_BPF_SYSCALL, "ext1",
 	      "got %d != exp %d\n", bss->bpf_syscall, kcfg->CONFIG_BPF_SYSCALL);
diff --git a/tools/testing/selftests/bpf/prog_tests/xdp_devmap_attach.c b/tools/testing/selftests/bpf/prog_tests/xdp_devmap_attach.c
index d19dbd668f6a..88ef3ec8ac4c 100644
--- a/tools/testing/selftests/bpf/prog_tests/xdp_devmap_attach.c
+++ b/tools/testing/selftests/bpf/prog_tests/xdp_devmap_attach.c
@@ -8,14 +8,6 @@
 
 #define IFINDEX_LO 1
 
-struct bpf_devmap_val {
-	u32 ifindex;   /* device index */
-	union {
-		int fd;  /* prog fd on map write */
-		u32 id;  /* prog id on map read */
-	} bpf_prog;
-};
-
 void test_xdp_with_devmap_helpers(void)
 {
 	struct test_xdp_with_devmap_helpers *skel;
diff --git a/tools/testing/selftests/bpf/progs/load_bytes_relative.c b/tools/testing/selftests/bpf/progs/load_bytes_relative.c
new file mode 100644
index 000000000000..dc1d04a7a3d6
--- /dev/null
+++ b/tools/testing/selftests/bpf/progs/load_bytes_relative.c
@@ -0,0 +1,48 @@
+// SPDX-License-Identifier: GPL-2.0-only
+
+/*
+ * Copyright 2020 Google LLC.
+ */
+
+#include <errno.h>
+#include <linux/bpf.h>
+#include <linux/if_ether.h>
+#include <linux/ip.h>
+#include <bpf/bpf_helpers.h>
+
+struct {
+	__uint(type, BPF_MAP_TYPE_ARRAY);
+	__uint(max_entries, 1);
+	__type(key, __u32);
+	__type(value, __u32);
+} test_result SEC(".maps");
+
+SEC("cgroup_skb/egress")
+int load_bytes_relative(struct __sk_buff *skb)
+{
+	struct ethhdr eth;
+	struct iphdr iph;
+
+	__u32 map_key = 0;
+	__u32 test_passed = 0;
+
+	/* MAC header is not set by the time cgroup_skb/egress triggers */
+	if (bpf_skb_load_bytes_relative(skb, 0, &eth, sizeof(eth),
+					BPF_HDR_START_MAC) != -EFAULT)
+		goto fail;
+
+	if (bpf_skb_load_bytes_relative(skb, 0, &iph, sizeof(iph),
+					BPF_HDR_START_NET))
+		goto fail;
+
+	if (bpf_skb_load_bytes_relative(skb, 0xffff, &iph, sizeof(iph),
+					BPF_HDR_START_NET) != -EFAULT)
+		goto fail;
+
+	test_passed = 1;
+
+fail:
+	bpf_map_update_elem(&test_result, &map_key, &test_passed, BPF_ANY);
+
+	return 1;
+}
diff --git a/tools/testing/selftests/bpf/progs/test_skeleton.c b/tools/testing/selftests/bpf/progs/test_skeleton.c
index de03a90f78ca..77ae86f44db5 100644
--- a/tools/testing/selftests/bpf/progs/test_skeleton.c
+++ b/tools/testing/selftests/bpf/progs/test_skeleton.c
@@ -10,16 +10,26 @@ struct s {
 	long long b;
 } __attribute__((packed));
 
-int in1 = 0;
-long long in2 = 0;
+/* .data section */
+int in1 = -1;
+long long in2 = -1;
+
+/* .bss section */
 char in3 = '\0';
 long long in4 __attribute__((aligned(64))) = 0;
 struct s in5 = {};
 
-long long out2 = 0;
+/* .rodata section */
+const volatile int in6 = 0;
+
+/* .data section */
+int out1 = -1;
+long long out2 = -1;
+
+/* .bss section */
 char out3 = 0;
 long long out4 = 0;
-int out1 = 0;
+int out6 = 0;
 
 extern bool CONFIG_BPF_SYSCALL __kconfig;
 extern int LINUX_KERNEL_VERSION __kconfig;
@@ -36,6 +46,7 @@ int handler(const void *ctx)
 	out3 = in3;
 	out4 = in4;
 	out5 = in5;
+	out6 = in6;
 
 	bpf_syscall = CONFIG_BPF_SYSCALL;
 	kern_ver = LINUX_KERNEL_VERSION;
diff --git a/tools/testing/selftests/bpf/progs/test_xdp_devmap_helpers.c b/tools/testing/selftests/bpf/progs/test_xdp_devmap_helpers.c
index e5c0f131c8a7..b360ba2bd441 100644
--- a/tools/testing/selftests/bpf/progs/test_xdp_devmap_helpers.c
+++ b/tools/testing/selftests/bpf/progs/test_xdp_devmap_helpers.c
@@ -2,7 +2,7 @@
 /* fails to load without expected_attach_type = BPF_XDP_DEVMAP
  * because of access to egress_ifindex
  */
-#include "vmlinux.h"
+#include <linux/bpf.h>
 #include <bpf/bpf_helpers.h>
 
 SEC("xdp_dm_log")
diff --git a/tools/testing/selftests/bpf/progs/test_xdp_with_devmap_helpers.c b/tools/testing/selftests/bpf/progs/test_xdp_with_devmap_helpers.c
index deef0e050863..330811260123 100644
--- a/tools/testing/selftests/bpf/progs/test_xdp_with_devmap_helpers.c
+++ b/tools/testing/selftests/bpf/progs/test_xdp_with_devmap_helpers.c
@@ -1,6 +1,5 @@
 // SPDX-License-Identifier: GPL-2.0
-
-#include "vmlinux.h"
+#include <linux/bpf.h>
 #include <bpf/bpf_helpers.h>
 
 struct {
diff --git a/tools/testing/selftests/exec/.gitignore b/tools/testing/selftests/exec/.gitignore
index c078ece12ff0..94b02a18f230 100644
--- a/tools/testing/selftests/exec/.gitignore
+++ b/tools/testing/selftests/exec/.gitignore
@@ -9,3 +9,4 @@ execveat.ephemeral
 execveat.denatured
 /recursion-depth
 xxxxxxxx*
+pipe
diff --git a/tools/testing/selftests/exec/Makefile b/tools/testing/selftests/exec/Makefile
index 7f4527f897c4..4453b8f8def3 100644
--- a/tools/testing/selftests/exec/Makefile
+++ b/tools/testing/selftests/exec/Makefile
@@ -5,7 +5,7 @@ CFLAGS += -D_GNU_SOURCE
 
 TEST_PROGS := binfmt_script
 TEST_GEN_PROGS := execveat
-TEST_GEN_FILES := execveat.symlink execveat.denatured script subdir
+TEST_GEN_FILES := execveat.symlink execveat.denatured script subdir pipe
 # Makefile is a run-time dependency, since it's accessed by the execveat test
 TEST_FILES := Makefile
 
diff --git a/tools/testing/selftests/exec/execveat.c b/tools/testing/selftests/exec/execveat.c
index cbb6efbdb786..67bf7254a48f 100644
--- a/tools/testing/selftests/exec/execveat.c
+++ b/tools/testing/selftests/exec/execveat.c
@@ -5,7 +5,9 @@
  * Selftests for execveat(2).
  */
 
+#ifndef _GNU_SOURCE
 #define _GNU_SOURCE  /* to get O_PATH, AT_EMPTY_PATH */
+#endif
 #include <sys/sendfile.h>
 #include <sys/stat.h>
 #include <sys/syscall.h>
@@ -311,6 +313,10 @@ static int run_tests(void)
 	fail += check_execveat_fail(AT_FDCWD, fullname_symlink,
 				    AT_SYMLINK_NOFOLLOW, ELOOP);
 
+	/*  Non-regular file failure */
+	fail += check_execveat_fail(dot_dfd, "pipe", 0, EACCES);
+	unlink("pipe");
+
 	/* Shell script wrapping executable file: */
 	/*   dfd + path */
 	fail += check_execveat(subdir_dfd, "../script", 0);
@@ -384,6 +390,8 @@ static void prerequisites(void)
 	fd = open("subdir.ephemeral/script", O_RDWR|O_CREAT|O_TRUNC, 0755);
 	write(fd, script, strlen(script));
 	close(fd);
+
+	mkfifo("pipe", 0755);
 }
 
 int main(int argc, char **argv)
diff --git a/tools/testing/selftests/ftrace/test.d/ftrace/tracing-error-log.tc b/tools/testing/selftests/ftrace/test.d/ftrace/tracing-error-log.tc
index 021c03fd885d..23465823532b 100644
--- a/tools/testing/selftests/ftrace/test.d/ftrace/tracing-error-log.tc
+++ b/tools/testing/selftests/ftrace/test.d/ftrace/tracing-error-log.tc
@@ -14,6 +14,8 @@ if [ ! -f set_event ]; then
     exit_unsupported
 fi
 
+[ -f error_log ] || exit_unsupported
+
 ftrace_errlog_check 'event filter parse error' '((sig >= 10 && sig < 15) || dsig ^== 17) && comm != bash' 'events/signal/signal_generate/filter'
 
 exit 0
diff --git a/tools/testing/selftests/ftrace/test.d/functions b/tools/testing/selftests/ftrace/test.d/functions
index 61a3c7e2634d..697c77ef2e2b 100644
--- a/tools/testing/selftests/ftrace/test.d/functions
+++ b/tools/testing/selftests/ftrace/test.d/functions
@@ -119,12 +119,14 @@ yield() {
     ping $LOCALHOST -c 1 || sleep .001 || usleep 1 || sleep 1
 }
 
+# Since probe event command may include backslash, explicitly use printf "%s"
+# to NOT interpret it.
 ftrace_errlog_check() { # err-prefix command-with-error-pos-by-^ command-file
-    pos=$(echo -n "${2%^*}" | wc -c) # error position
-    command=$(echo "$2" | tr -d ^)
+    pos=$(printf "%s" "${2%^*}" | wc -c) # error position
+    command=$(printf "%s" "$2" | tr -d ^)
     echo "Test command: $command"
     echo > error_log
-    (! echo "$command" >> "$3" ) 2> /dev/null
+    (! printf "%s" "$command" >> "$3" ) 2> /dev/null
     grep "$1: error:" -A 3 error_log
     N=$(tail -n 1 error_log | wc -c)
     # "  Command: " and "^\n" => 13
diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_syntax_errors.tc b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_syntax_errors.tc
index ef1e9bafb098..eb0f4ab4e070 100644
--- a/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_syntax_errors.tc
+++ b/tools/testing/selftests/ftrace/test.d/kprobe/kprobe_syntax_errors.tc
@@ -91,7 +91,9 @@ esac
 if grep -q "Create/append/" README && grep -q "imm-value" README; then
 echo 'p:kprobes/testevent _do_fork' > kprobe_events
 check_error '^r:kprobes/testevent do_exit'	# DIFF_PROBE_TYPE
-echo 'p:kprobes/testevent _do_fork abcd=\1' > kprobe_events
+
+# Explicitly use printf "%s" to not interpret \1
+printf "%s" 'p:kprobes/testevent _do_fork abcd=\1' > kprobe_events
 check_error 'p:kprobes/testevent _do_fork ^bcd=\1'	# DIFF_ARG_TYPE
 check_error 'p:kprobes/testevent _do_fork ^abcd=\1:u8'	# DIFF_ARG_TYPE
 check_error 'p:kprobes/testevent _do_fork ^abcd=\"foo"'	# DIFF_ARG_TYPE
diff --git a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-field-variable-support.tc b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-field-variable-support.tc
index 77be6e1f6e7b..e232059a8ab2 100644
--- a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-field-variable-support.tc
+++ b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-field-variable-support.tc
@@ -17,6 +17,11 @@ if [ ! -f synthetic_events ]; then
     exit_unsupported
 fi
 
+if [ ! -f events/sched/sched_process_fork/hist ]; then
+    echo "hist trigger is not supported"
+    exit_unsupported
+fi
+
 echo "Test field variable support"
 
 echo 'wakeup_latency u64 lat; pid_t pid; int prio; char comm[16]' > synthetic_events
diff --git a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-inter-event-combined-hist.tc b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-inter-event-combined-hist.tc
index f3eb8aacec0e..07cfcb8157b6 100644
--- a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-inter-event-combined-hist.tc
+++ b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-inter-event-combined-hist.tc
@@ -17,6 +17,11 @@ if [ ! -f synthetic_events ]; then
     exit_unsupported
 fi
 
+if [ ! -f events/sched/sched_process_fork/hist ]; then
+    echo "hist trigger is not supported"
+    exit_unsupported
+fi
+
 echo "Test create synthetic event"
 
 echo 'waking_latency  u64 lat pid_t pid' > synthetic_events
diff --git a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-multi-actions-accept.tc b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-multi-actions-accept.tc
index d281f056f980..73e413c2ca26 100644
--- a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-multi-actions-accept.tc
+++ b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-multi-actions-accept.tc
@@ -17,6 +17,11 @@ if [ ! -f synthetic_events ]; then
     exit_unsupported
 fi
 
+if [ ! -f events/sched/sched_process_fork/hist ]; then
+    echo "hist trigger is not supported"
+    exit_unsupported
+fi
+
 echo "Test multiple actions on hist trigger"
 echo 'wakeup_latency u64 lat; pid_t pid' >> synthetic_events
 TRIGGER1=events/sched/sched_wakeup/trigger
diff --git a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-onmatch-action-hist.tc b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-onmatch-action-hist.tc
index a708f0e7858a..ebe0ad827f9f 100644
--- a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-onmatch-action-hist.tc
+++ b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-onmatch-action-hist.tc
@@ -17,6 +17,11 @@ if [ ! -f synthetic_events ]; then
     exit_unsupported
 fi
 
+if [ ! -f events/sched/sched_process_fork/hist ]; then
+    echo "hist trigger is not supported"
+    exit_unsupported
+fi
+
 echo "Test create synthetic event"
 
 echo 'wakeup_latency  u64 lat pid_t pid char comm[16]' > synthetic_events
diff --git a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-onmatch-onmax-action-hist.tc b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-onmatch-onmax-action-hist.tc
index dfce6932d8be..2a2ef767249e 100644
--- a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-onmatch-onmax-action-hist.tc
+++ b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-onmatch-onmax-action-hist.tc
@@ -17,6 +17,11 @@ if [ ! -f synthetic_events ]; then
     exit_unsupported
 fi
 
+if [ ! -f events/sched/sched_process_fork/hist ]; then
+    echo "hist trigger is not supported"
+    exit_unsupported
+fi
+
 echo "Test create synthetic event"
 
 echo 'wakeup_latency  u64 lat pid_t pid char comm[16]' > synthetic_events
diff --git a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-onmax-action-hist.tc b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-onmax-action-hist.tc
index 0035995c2194..98d73bfb0296 100644
--- a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-onmax-action-hist.tc
+++ b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-onmax-action-hist.tc
@@ -17,6 +17,11 @@ if [ ! -f synthetic_events ]; then
     exit_unsupported
 fi
 
+if [ ! -f events/sched/sched_process_fork/hist ]; then
+    echo "hist trigger is not supported"
+    exit_unsupported
+fi
+
 echo "Test create synthetic event"
 
 echo 'wakeup_latency  u64 lat pid_t pid char comm[16]' > synthetic_events
diff --git a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-snapshot-action-hist.tc b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-snapshot-action-hist.tc
index f546c1b66a9b..01b01b9c4e07 100644
--- a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-snapshot-action-hist.tc
+++ b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-snapshot-action-hist.tc
@@ -12,6 +12,11 @@ if [ ! -f set_event ]; then
     exit_unsupported
 fi
 
+if [ ! -f events/sched/sched_process_fork/hist ]; then
+    echo "hist trigger is not supported"
+    exit_unsupported
+fi
+
 if [ ! -f snapshot ]; then
     echo "snapshot is not supported"
     exit_unsupported
diff --git a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-trace-action-hist.tc b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-trace-action-hist.tc
index 8021d60aafec..c3baa486aeb4 100644
--- a/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-trace-action-hist.tc
+++ b/tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-trace-action-hist.tc
@@ -17,6 +17,11 @@ if [ ! -f synthetic_events ]; then
     exit_unsupported
 fi
 
+if [ ! -f events/sched/sched_process_fork/hist ]; then
+    echo "hist trigger is not supported"
+    exit_unsupported
+fi
+
 grep -q "trace(<synthetic_event>" README || exit_unsupported # version issue
 
 echo "Test create synthetic event"
diff --git a/tools/testing/selftests/gen_kselftest_tar.sh b/tools/testing/selftests/gen_kselftest_tar.sh
index 8b2b6088540d..4a974bc03385 100755
--- a/tools/testing/selftests/gen_kselftest_tar.sh
+++ b/tools/testing/selftests/gen_kselftest_tar.sh
@@ -49,6 +49,11 @@ main()
 	# directory
 	./kselftest_install.sh "$install_dir"
 	(cd "$install_work"; tar $copts "$dest"/kselftest${ext} $install_name)
+
+	# Don't put the message at the actual end as people may be parsing the
+	# "archive created" line in their scripts.
+	echo -e "\nConsider using 'make gen_tar' instead of this script\n"
+
 	echo "Kselftest archive kselftest${ext} created!"
 
 	# clean up top-level install work directory
diff --git a/tools/testing/selftests/kvm/.gitignore b/tools/testing/selftests/kvm/.gitignore
index f159718f90c0..452787152748 100644
--- a/tools/testing/selftests/kvm/.gitignore
+++ b/tools/testing/selftests/kvm/.gitignore
@@ -3,6 +3,7 @@
 /s390x/resets
 /s390x/sync_regs_test
 /x86_64/cr4_cpuid_sync_test
+/x86_64/debug_regs
 /x86_64/evmcs_test
 /x86_64/hyperv_cpuid
 /x86_64/mmio_warning_test
diff --git a/tools/testing/selftests/kvm/Makefile b/tools/testing/selftests/kvm/Makefile
index b4ff112e5c7e..4a166588d99f 100644
--- a/tools/testing/selftests/kvm/Makefile
+++ b/tools/testing/selftests/kvm/Makefile
@@ -83,7 +83,11 @@ LIBKVM += $(LIBKVM_$(UNAME_M))
 INSTALL_HDR_PATH = $(top_srcdir)/usr
 LINUX_HDR_PATH = $(INSTALL_HDR_PATH)/include/
 LINUX_TOOL_INCLUDE = $(top_srcdir)/tools/include
+ifeq ($(ARCH),x86_64)
+LINUX_TOOL_ARCH_INCLUDE = $(top_srcdir)/tools/arch/x86/include
+else
 LINUX_TOOL_ARCH_INCLUDE = $(top_srcdir)/tools/arch/$(ARCH)/include
+endif
 CFLAGS += -Wall -Wstrict-prototypes -Wuninitialized -O2 -g -std=gnu99 \
 	-fno-stack-protector -fno-PIE -I$(LINUX_TOOL_INCLUDE) \
 	-I$(LINUX_TOOL_ARCH_INCLUDE) -I$(LINUX_HDR_PATH) -Iinclude \
diff --git a/tools/testing/selftests/kvm/include/x86_64/svm_util.h b/tools/testing/selftests/kvm/include/x86_64/svm_util.h
index 674151d24fcf..b7531c83b8ae 100644
--- a/tools/testing/selftests/kvm/include/x86_64/svm_util.h
+++ b/tools/testing/selftests/kvm/include/x86_64/svm_util.h
@@ -33,6 +33,7 @@ struct svm_test_data {
 struct svm_test_data *vcpu_alloc_svm(struct kvm_vm *vm, vm_vaddr_t *p_svm_gva);
 void generic_svm_setup(struct svm_test_data *svm, void *guest_rip, void *guest_rsp);
 void run_guest(struct vmcb *vmcb, uint64_t vmcb_gpa);
+bool nested_svm_supported(void);
 void nested_svm_check_supported(void);
 
 static inline bool cpu_has_svm(void)
diff --git a/tools/testing/selftests/kvm/include/x86_64/vmx.h b/tools/testing/selftests/kvm/include/x86_64/vmx.h
index ccff3e6e2704..16fa21ebb99c 100644
--- a/tools/testing/selftests/kvm/include/x86_64/vmx.h
+++ b/tools/testing/selftests/kvm/include/x86_64/vmx.h
@@ -598,15 +598,12 @@ union vmx_ctrl_msr {
 	};
 };
 
-union vmx_basic basic;
-union vmx_ctrl_msr ctrl_pin_rev;
-union vmx_ctrl_msr ctrl_exit_rev;
-
 struct vmx_pages *vcpu_alloc_vmx(struct kvm_vm *vm, vm_vaddr_t *p_vmx_gva);
 bool prepare_for_vmx_operation(struct vmx_pages *vmx);
 void prepare_vmcs(struct vmx_pages *vmx, void *guest_rip, void *guest_rsp);
 bool load_vmcs(struct vmx_pages *vmx);
 
+bool nested_vmx_supported(void);
 void nested_vmx_check_supported(void);
 
 void nested_pg_map(struct vmx_pages *vmx, struct kvm_vm *vm,
diff --git a/tools/testing/selftests/kvm/lib/kvm_util.c b/tools/testing/selftests/kvm/lib/kvm_util.c
index c9cede5c7d0d..74776ee228f2 100644
--- a/tools/testing/selftests/kvm/lib/kvm_util.c
+++ b/tools/testing/selftests/kvm/lib/kvm_util.c
@@ -195,11 +195,18 @@ struct kvm_vm *_vm_create(enum vm_guest_mode mode, uint64_t phy_pages, int perm)
 	case VM_MODE_PXXV48_4K:
 #ifdef __x86_64__
 		kvm_get_cpu_address_width(&vm->pa_bits, &vm->va_bits);
-		TEST_ASSERT(vm->va_bits == 48, "Linear address width "
-			    "(%d bits) not supported", vm->va_bits);
+		/*
+		 * Ignore KVM support for 5-level paging (vm->va_bits == 57),
+		 * it doesn't take effect unless a CR4.LA57 is set, which it
+		 * isn't for this VM_MODE.
+		 */
+		TEST_ASSERT(vm->va_bits == 48 || vm->va_bits == 57,
+			    "Linear address width (%d bits) not supported",
+			    vm->va_bits);
 		pr_debug("Guest physical address width detected: %d\n",
 			 vm->pa_bits);
 		vm->pgtable_levels = 4;
+		vm->va_bits = 48;
 #else
 		TEST_FAIL("VM_MODE_PXXV48_4K not supported on non-x86 platforms");
 #endif
diff --git a/tools/testing/selftests/kvm/lib/x86_64/svm.c b/tools/testing/selftests/kvm/lib/x86_64/svm.c
index c42401068373..3a5c72ed2b79 100644
--- a/tools/testing/selftests/kvm/lib/x86_64/svm.c
+++ b/tools/testing/selftests/kvm/lib/x86_64/svm.c
@@ -148,14 +148,18 @@ void run_guest(struct vmcb *vmcb, uint64_t vmcb_gpa)
 		: "r15", "memory");
 }
 
-void nested_svm_check_supported(void)
+bool nested_svm_supported(void)
 {
 	struct kvm_cpuid_entry2 *entry =
 		kvm_get_supported_cpuid_entry(0x80000001);
 
-	if (!(entry->ecx & CPUID_SVM)) {
+	return entry->ecx & CPUID_SVM;
+}
+
+void nested_svm_check_supported(void)
+{
+	if (!nested_svm_supported()) {
 		print_skip("nested SVM not enabled");
 		exit(KSFT_SKIP);
 	}
 }
-
diff --git a/tools/testing/selftests/kvm/lib/x86_64/vmx.c b/tools/testing/selftests/kvm/lib/x86_64/vmx.c
index 4ae104f6ce69..f1e00d43eea2 100644
--- a/tools/testing/selftests/kvm/lib/x86_64/vmx.c
+++ b/tools/testing/selftests/kvm/lib/x86_64/vmx.c
@@ -379,11 +379,16 @@ void prepare_vmcs(struct vmx_pages *vmx, void *guest_rip, void *guest_rsp)
 	init_vmcs_guest_state(guest_rip, guest_rsp);
 }
 
-void nested_vmx_check_supported(void)
+bool nested_vmx_supported(void)
 {
 	struct kvm_cpuid_entry2 *entry = kvm_get_supported_cpuid_entry(1);
 
-	if (!(entry->ecx & CPUID_VMX)) {
+	return entry->ecx & CPUID_VMX;
+}
+
+void nested_vmx_check_supported(void)
+{
+	if (!nested_vmx_supported()) {
 		print_skip("nested VMX not enabled");
 		exit(KSFT_SKIP);
 	}
diff --git a/tools/testing/selftests/kvm/x86_64/evmcs_test.c b/tools/testing/selftests/kvm/x86_64/evmcs_test.c
index e6e62e5e75b2..757928199f19 100644
--- a/tools/testing/selftests/kvm/x86_64/evmcs_test.c
+++ b/tools/testing/selftests/kvm/x86_64/evmcs_test.c
@@ -94,9 +94,10 @@ int main(int argc, char *argv[])
 
 	vcpu_set_cpuid(vm, VCPU_ID, kvm_get_supported_cpuid());
 
-	if (!kvm_check_cap(KVM_CAP_NESTED_STATE) ||
+	if (!nested_vmx_supported() ||
+	    !kvm_check_cap(KVM_CAP_NESTED_STATE) ||
 	    !kvm_check_cap(KVM_CAP_HYPERV_ENLIGHTENED_VMCS)) {
-		print_skip("capabilities not available");
+		print_skip("Enlightened VMCS is unsupported");
 		exit(KSFT_SKIP);
 	}
 
diff --git a/tools/testing/selftests/kvm/x86_64/hyperv_cpuid.c b/tools/testing/selftests/kvm/x86_64/hyperv_cpuid.c
index 4a7967cca281..745b708c2d3b 100644
--- a/tools/testing/selftests/kvm/x86_64/hyperv_cpuid.c
+++ b/tools/testing/selftests/kvm/x86_64/hyperv_cpuid.c
@@ -170,7 +170,8 @@ int main(int argc, char *argv[])
 		case 1:
 			break;
 		case 2:
-			if (!kvm_check_cap(KVM_CAP_HYPERV_ENLIGHTENED_VMCS)) {
+			if (!nested_vmx_supported() ||
+			    !kvm_check_cap(KVM_CAP_HYPERV_ENLIGHTENED_VMCS)) {
 				print_skip("Enlightened VMCS is unsupported");
 				continue;
 			}
diff --git a/tools/testing/selftests/kvm/x86_64/smm_test.c b/tools/testing/selftests/kvm/x86_64/smm_test.c
index 6f8f478b3ceb..ae39a220609f 100644
--- a/tools/testing/selftests/kvm/x86_64/smm_test.c
+++ b/tools/testing/selftests/kvm/x86_64/smm_test.c
@@ -47,10 +47,10 @@ uint8_t smi_handler[] = {
 	0x0f, 0xaa,           /* rsm */
 };
 
-void sync_with_host(uint64_t phase)
+static inline void sync_with_host(uint64_t phase)
 {
 	asm volatile("in $" XSTR(SYNC_PORT)", %%al \n"
-		     : : "a" (phase));
+		     : "+a" (phase));
 }
 
 void self_smi(void)
@@ -118,16 +118,17 @@ int main(int argc, char *argv[])
 	vcpu_set_msr(vm, VCPU_ID, MSR_IA32_SMBASE, SMRAM_GPA);
 
 	if (kvm_check_cap(KVM_CAP_NESTED_STATE)) {
-		if (kvm_get_supported_cpuid_entry(0x80000001)->ecx & CPUID_SVM)
+		if (nested_svm_supported())
 			vcpu_alloc_svm(vm, &nested_gva);
-		else
+		else if (nested_vmx_supported())
 			vcpu_alloc_vmx(vm, &nested_gva);
-		vcpu_args_set(vm, VCPU_ID, 1, nested_gva);
-	} else {
-		pr_info("will skip SMM test with VMX enabled\n");
-		vcpu_args_set(vm, VCPU_ID, 1, 0);
 	}
 
+	if (!nested_gva)
+		pr_info("will skip SMM test with VMX enabled\n");
+
+	vcpu_args_set(vm, VCPU_ID, 1, nested_gva);
+
 	for (stage = 1;; stage++) {
 		_vcpu_run(vm, VCPU_ID);
 		TEST_ASSERT(run->exit_reason == KVM_EXIT_IO,
diff --git a/tools/testing/selftests/kvm/x86_64/state_test.c b/tools/testing/selftests/kvm/x86_64/state_test.c
index d43b6f99b66c..f6c8b9042f8a 100644
--- a/tools/testing/selftests/kvm/x86_64/state_test.c
+++ b/tools/testing/selftests/kvm/x86_64/state_test.c
@@ -171,16 +171,17 @@ int main(int argc, char *argv[])
 	vcpu_regs_get(vm, VCPU_ID, &regs1);
 
 	if (kvm_check_cap(KVM_CAP_NESTED_STATE)) {
-		if (kvm_get_supported_cpuid_entry(0x80000001)->ecx & CPUID_SVM)
+		if (nested_svm_supported())
 			vcpu_alloc_svm(vm, &nested_gva);
-		else
+		else if (nested_vmx_supported())
 			vcpu_alloc_vmx(vm, &nested_gva);
-		vcpu_args_set(vm, VCPU_ID, 1, nested_gva);
-	} else {
-		pr_info("will skip nested state checks\n");
-		vcpu_args_set(vm, VCPU_ID, 1, 0);
 	}
 
+	if (!nested_gva)
+		pr_info("will skip nested state checks\n");
+
+	vcpu_args_set(vm, VCPU_ID, 1, nested_gva);
+
 	for (stage = 1;; stage++) {
 		_vcpu_run(vm, VCPU_ID);
 		TEST_ASSERT(run->exit_reason == KVM_EXIT_IO,
diff --git a/tools/testing/selftests/kvm/x86_64/vmx_preemption_timer_test.c b/tools/testing/selftests/kvm/x86_64/vmx_preemption_timer_test.c
index cc72b6188ca7..a7737af1224f 100644
--- a/tools/testing/selftests/kvm/x86_64/vmx_preemption_timer_test.c
+++ b/tools/testing/selftests/kvm/x86_64/vmx_preemption_timer_test.c
@@ -31,6 +31,10 @@ bool l2_save_restore_done;
 static u64 l2_vmx_pt_start;
 volatile u64 l2_vmx_pt_finish;
 
+union vmx_basic basic;
+union vmx_ctrl_msr ctrl_pin_rev;
+union vmx_ctrl_msr ctrl_exit_rev;
+
 void l2_guest_code(void)
 {
 	u64 vmx_pt_delta;
diff --git a/tools/testing/selftests/net/rxtimestamp.c b/tools/testing/selftests/net/rxtimestamp.c
index 6dee9e636a95..422e7761254d 100644
--- a/tools/testing/selftests/net/rxtimestamp.c
+++ b/tools/testing/selftests/net/rxtimestamp.c
@@ -115,6 +115,7 @@ static struct option long_options[] = {
 	{ "tcp", no_argument, 0, 't' },
 	{ "udp", no_argument, 0, 'u' },
 	{ "ip", no_argument, 0, 'i' },
+	{ NULL, 0, NULL, 0 },
 };
 
 static int next_port = 19999;
diff --git a/tools/testing/selftests/net/timestamping.c b/tools/testing/selftests/net/timestamping.c
index aca3491174a1..f4bb4fef0f39 100644
--- a/tools/testing/selftests/net/timestamping.c
+++ b/tools/testing/selftests/net/timestamping.c
@@ -313,10 +313,16 @@ int main(int argc, char **argv)
 	int val;
 	socklen_t len;
 	struct timeval next;
+	size_t if_len;
 
 	if (argc < 2)
 		usage(0);
 	interface = argv[1];
+	if_len = strlen(interface);
+	if (if_len >= IFNAMSIZ) {
+		printf("interface name exceeds IFNAMSIZ\n");
+		exit(1);
+	}
 
 	for (i = 2; i < argc; i++) {
 		if (!strcasecmp(argv[i], "SO_TIMESTAMP"))
@@ -350,12 +356,12 @@ int main(int argc, char **argv)
 		bail("socket");
 
 	memset(&device, 0, sizeof(device));
-	strncpy(device.ifr_name, interface, sizeof(device.ifr_name));
+	memcpy(device.ifr_name, interface, if_len + 1);
 	if (ioctl(sock, SIOCGIFADDR, &device) < 0)
 		bail("getting interface IP address");
 
 	memset(&hwtstamp, 0, sizeof(hwtstamp));
-	strncpy(hwtstamp.ifr_name, interface, sizeof(hwtstamp.ifr_name));
+	memcpy(hwtstamp.ifr_name, interface, if_len + 1);
 	hwtstamp.ifr_data = (void *)&hwconfig;
 	memset(&hwconfig, 0, sizeof(hwconfig));
 	hwconfig.tx_type =
diff --git a/tools/testing/selftests/net/tls.c b/tools/testing/selftests/net/tls.c
index c5282e62df75..b599f1fa99b5 100644
--- a/tools/testing/selftests/net/tls.c
+++ b/tools/testing/selftests/net/tls.c
@@ -213,6 +213,64 @@ TEST_F(tls, send_then_sendfile)
 	EXPECT_EQ(recv(self->cfd, buf, st.st_size, MSG_WAITALL), st.st_size);
 }
 
+static void chunked_sendfile(struct __test_metadata *_metadata,
+			     struct _test_data_tls *self,
+			     uint16_t chunk_size,
+			     uint16_t extra_payload_size)
+{
+	char buf[TLS_PAYLOAD_MAX_LEN];
+	uint16_t test_payload_size;
+	int size = 0;
+	int ret;
+	char filename[] = "/tmp/mytemp.XXXXXX";
+	int fd = mkstemp(filename);
+	off_t offset = 0;
+
+	unlink(filename);
+	ASSERT_GE(fd, 0);
+	EXPECT_GE(chunk_size, 1);
+	test_payload_size = chunk_size + extra_payload_size;
+	ASSERT_GE(TLS_PAYLOAD_MAX_LEN, test_payload_size);
+	memset(buf, 1, test_payload_size);
+	size = write(fd, buf, test_payload_size);
+	EXPECT_EQ(size, test_payload_size);
+	fsync(fd);
+
+	while (size > 0) {
+		ret = sendfile(self->fd, fd, &offset, chunk_size);
+		EXPECT_GE(ret, 0);
+		size -= ret;
+	}
+
+	EXPECT_EQ(recv(self->cfd, buf, test_payload_size, MSG_WAITALL),
+		  test_payload_size);
+
+	close(fd);
+}
+
+TEST_F(tls, multi_chunk_sendfile)
+{
+	chunked_sendfile(_metadata, self, 4096, 4096);
+	chunked_sendfile(_metadata, self, 4096, 0);
+	chunked_sendfile(_metadata, self, 4096, 1);
+	chunked_sendfile(_metadata, self, 4096, 2048);
+	chunked_sendfile(_metadata, self, 8192, 2048);
+	chunked_sendfile(_metadata, self, 4096, 8192);
+	chunked_sendfile(_metadata, self, 8192, 4096);
+	chunked_sendfile(_metadata, self, 12288, 1024);
+	chunked_sendfile(_metadata, self, 12288, 2000);
+	chunked_sendfile(_metadata, self, 15360, 100);
+	chunked_sendfile(_metadata, self, 15360, 300);
+	chunked_sendfile(_metadata, self, 1, 4096);
+	chunked_sendfile(_metadata, self, 2048, 4096);
+	chunked_sendfile(_metadata, self, 2048, 8192);
+	chunked_sendfile(_metadata, self, 4096, 8192);
+	chunked_sendfile(_metadata, self, 1024, 12288);
+	chunked_sendfile(_metadata, self, 2000, 12288);
+	chunked_sendfile(_metadata, self, 100, 15360);
+	chunked_sendfile(_metadata, self, 300, 15360);
+}
+
 TEST_F(tls, recv_max)
 {
 	unsigned int send_len = TLS_PAYLOAD_MAX_LEN;
diff --git a/tools/testing/selftests/sysctl/config b/tools/testing/selftests/sysctl/config
index 6ca14800d755..fc263efd1fad 100644
--- a/tools/testing/selftests/sysctl/config
+++ b/tools/testing/selftests/sysctl/config
@@ -1 +1 @@
-CONFIG_TEST_SYSCTL=y
+CONFIG_TEST_SYSCTL=m
diff --git a/tools/testing/selftests/sysctl/sysctl.sh b/tools/testing/selftests/sysctl/sysctl.sh
index 0aa8a86140e9..19515dcb7d04 100755
--- a/tools/testing/selftests/sysctl/sysctl.sh
+++ b/tools/testing/selftests/sysctl/sysctl.sh
@@ -41,16 +41,6 @@ ALL_TESTS="$ALL_TESTS 0005:3:1:int_0003"
 ALL_TESTS="$ALL_TESTS 0006:50:1:bitmap_0001"
 ALL_TESTS="$ALL_TESTS 0007:1:1:boot_int"
 
-test_modprobe()
-{
-       if [ ! -d $DIR ]; then
-               echo "$0: $DIR not present" >&2
-               echo "You must have the following enabled in your kernel:" >&2
-               cat $TEST_DIR/config >&2
-               exit $ksft_skip
-       fi
-}
-
 function allow_user_defaults()
 {
 	if [ -z $DIR ]; then
@@ -126,10 +116,12 @@ function load_req_mod()
 	if [ ! -d $SYSCTL ]; then
 		if ! modprobe -q -n $TEST_DRIVER; then
 			echo "$0: module $TEST_DRIVER not found [SKIP]"
+			echo "You must set CONFIG_TEST_SYSCTL=m in your kernel" >&2
 			exit $ksft_skip
 		fi
 		modprobe $TEST_DRIVER
 		if [ $? -ne 0 ]; then
+			echo "$0: modprobe $TEST_DRIVER failed."
 			exit
 		fi
 	fi
@@ -971,7 +963,6 @@ test_reqs
 allow_user_defaults
 check_production_sysctl_writes_strict
 load_req_mod
-test_modprobe
 
 trap "test_finish" EXIT
 
diff --git a/tools/testing/selftests/timens/clock_nanosleep.c b/tools/testing/selftests/timens/clock_nanosleep.c
index 8e7b7c72ef65..72d41b955fb2 100644
--- a/tools/testing/selftests/timens/clock_nanosleep.c
+++ b/tools/testing/selftests/timens/clock_nanosleep.c
@@ -119,7 +119,7 @@ int main(int argc, char *argv[])
 
 	ksft_set_plan(4);
 
-	check_config_posix_timers();
+	check_supported_timers();
 
 	if (unshare_timens())
 		return 1;
diff --git a/tools/testing/selftests/timens/timens.c b/tools/testing/selftests/timens/timens.c
index 098be7c83be3..52b6a1185f52 100644
--- a/tools/testing/selftests/timens/timens.c
+++ b/tools/testing/selftests/timens/timens.c
@@ -155,7 +155,7 @@ int main(int argc, char *argv[])
 
 	nscheck();
 
-	check_config_posix_timers();
+	check_supported_timers();
 
 	ksft_set_plan(ARRAY_SIZE(clocks) * 2);
 
diff --git a/tools/testing/selftests/timens/timens.h b/tools/testing/selftests/timens/timens.h
index e09e7e39bc52..d4fc52d47146 100644
--- a/tools/testing/selftests/timens/timens.h
+++ b/tools/testing/selftests/timens/timens.h
@@ -14,15 +14,26 @@
 #endif
 
 static int config_posix_timers = true;
+static int config_alarm_timers = true;
 
-static inline void check_config_posix_timers(void)
+static inline void check_supported_timers(void)
 {
+	struct timespec ts;
+
 	if (timer_create(-1, 0, 0) == -1 && errno == ENOSYS)
 		config_posix_timers = false;
+
+	if (clock_gettime(CLOCK_BOOTTIME_ALARM, &ts) == -1 && errno == EINVAL)
+		config_alarm_timers = false;
 }
 
 static inline bool check_skip(int clockid)
 {
+	if (!config_alarm_timers && clockid == CLOCK_BOOTTIME_ALARM) {
+		ksft_test_result_skip("CLOCK_BOOTTIME_ALARM isn't supported\n");
+		return true;
+	}
+
 	if (config_posix_timers)
 		return false;
 
diff --git a/tools/testing/selftests/timens/timer.c b/tools/testing/selftests/timens/timer.c
index 96dba11ebe44..5e7f0051bd7b 100644
--- a/tools/testing/selftests/timens/timer.c
+++ b/tools/testing/selftests/timens/timer.c
@@ -22,6 +22,9 @@ int run_test(int clockid, struct timespec now)
 	timer_t fd;
 	int i;
 
+	if (check_skip(clockid))
+		return 0;
+
 	for (i = 0; i < 2; i++) {
 		struct sigevent sevp = {.sigev_notify = SIGEV_NONE};
 		int flags = 0;
@@ -74,6 +77,8 @@ int main(int argc, char *argv[])
 
 	nscheck();
 
+	check_supported_timers();
+
 	ksft_set_plan(3);
 
 	clock_gettime(CLOCK_MONOTONIC, &mtime_now);
diff --git a/tools/testing/selftests/timens/timerfd.c b/tools/testing/selftests/timens/timerfd.c
index eff1ec5ff215..9edd43d6b2c1 100644
--- a/tools/testing/selftests/timens/timerfd.c
+++ b/tools/testing/selftests/timens/timerfd.c
@@ -28,6 +28,9 @@ int run_test(int clockid, struct timespec now)
 	long long elapsed;
 	int fd, i;
 
+	if (check_skip(clockid))
+		return 0;
+
 	if (tclock_gettime(clockid, &now))
 		return pr_perror("clock_gettime(%d)", clockid);
 
@@ -81,6 +84,8 @@ int main(int argc, char *argv[])
 
 	nscheck();
 
+	check_supported_timers();
+
 	ksft_set_plan(3);
 
 	clock_gettime(CLOCK_MONOTONIC, &mtime_now);
diff --git a/tools/testing/selftests/tpm2/test_smoke.sh b/tools/testing/selftests/tpm2/test_smoke.sh
index 8155c2ea7ccb..663062701d5a 100755
--- a/tools/testing/selftests/tpm2/test_smoke.sh
+++ b/tools/testing/selftests/tpm2/test_smoke.sh
@@ -1,6 +1,11 @@
 #!/bin/bash
 # SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
 
+# Kselftest framework requirement - SKIP code is 4.
+ksft_skip=4
+
+[ -f /dev/tpm0 ] || exit $ksft_skip
+
 python -m unittest -v tpm2_tests.SmokeTest
 python -m unittest -v tpm2_tests.AsyncTest
 
diff --git a/tools/testing/selftests/tpm2/test_space.sh b/tools/testing/selftests/tpm2/test_space.sh
index a6f5e346635e..36c9d030a1c6 100755
--- a/tools/testing/selftests/tpm2/test_space.sh
+++ b/tools/testing/selftests/tpm2/test_space.sh
@@ -1,4 +1,9 @@
 #!/bin/bash
 # SPDX-License-Identifier: (GPL-2.0 OR BSD-3-Clause)
 
+# Kselftest framework requirement - SKIP code is 4.
+ksft_skip=4
+
+[ -f /dev/tpmrm0 ] || exit $ksft_skip
+
 python -m unittest -v tpm2_tests.SpaceTest
diff --git a/tools/testing/selftests/vDSO/.gitignore b/tools/testing/selftests/vDSO/.gitignore
index 382cfb39a1a3..5eb64d41e541 100644
--- a/tools/testing/selftests/vDSO/.gitignore
+++ b/tools/testing/selftests/vDSO/.gitignore
@@ -1,3 +1,5 @@
 # SPDX-License-Identifier: GPL-2.0-only
 vdso_test
+vdso_test_gettimeofday
+vdso_test_getcpu
 vdso_standalone_test_x86
diff --git a/tools/testing/selftests/vDSO/Makefile b/tools/testing/selftests/vDSO/Makefile
index 9e03d61f52fd..0069f2f83f86 100644
--- a/tools/testing/selftests/vDSO/Makefile
+++ b/tools/testing/selftests/vDSO/Makefile
@@ -4,7 +4,7 @@ include ../lib.mk
 uname_M := $(shell uname -m 2>/dev/null || echo not)
 ARCH ?= $(shell echo $(uname_M) | sed -e s/i.86/x86/ -e s/x86_64/x86/)
 
-TEST_GEN_PROGS := $(OUTPUT)/vdso_test
+TEST_GEN_PROGS := $(OUTPUT)/vdso_test_gettimeofday $(OUTPUT)/vdso_test_getcpu
 ifeq ($(ARCH),x86)
 TEST_GEN_PROGS += $(OUTPUT)/vdso_standalone_test_x86
 endif
@@ -17,7 +17,8 @@ LDLIBS += -lgcc_s
 endif
 
 all: $(TEST_GEN_PROGS)
-$(OUTPUT)/vdso_test: parse_vdso.c vdso_test.c
+$(OUTPUT)/vdso_test_gettimeofday: parse_vdso.c vdso_test_gettimeofday.c
+$(OUTPUT)/vdso_test_getcpu: parse_vdso.c vdso_test_getcpu.c
 $(OUTPUT)/vdso_standalone_test_x86: vdso_standalone_test_x86.c parse_vdso.c
 	$(CC) $(CFLAGS) $(CFLAGS_vdso_standalone_test_x86) \
 		vdso_standalone_test_x86.c parse_vdso.c \
diff --git a/tools/testing/selftests/vDSO/parse_vdso.c b/tools/testing/selftests/vDSO/parse_vdso.c
index 1dbb4b87268f..413f75620a35 100644
--- a/tools/testing/selftests/vDSO/parse_vdso.c
+++ b/tools/testing/selftests/vDSO/parse_vdso.c
@@ -21,29 +21,7 @@
 #include <limits.h>
 #include <elf.h>
 
-/*
- * To use this vDSO parser, first call one of the vdso_init_* functions.
- * If you've already parsed auxv, then pass the value of AT_SYSINFO_EHDR
- * to vdso_init_from_sysinfo_ehdr.  Otherwise pass auxv to vdso_init_from_auxv.
- * Then call vdso_sym for each symbol you want.  For example, to look up
- * gettimeofday on x86_64, use:
- *
- *     <some pointer> = vdso_sym("LINUX_2.6", "gettimeofday");
- * or
- *     <some pointer> = vdso_sym("LINUX_2.6", "__vdso_gettimeofday");
- *
- * vdso_sym will return 0 if the symbol doesn't exist or if the init function
- * failed or was not called.  vdso_sym is a little slow, so its return value
- * should be cached.
- *
- * vdso_sym is threadsafe; the init functions are not.
- *
- * These are the prototypes:
- */
-extern void vdso_init_from_auxv(void *auxv);
-extern void vdso_init_from_sysinfo_ehdr(uintptr_t base);
-extern void *vdso_sym(const char *version, const char *name);
-
+#include "parse_vdso.h"
 
 /* And here's the code. */
 #ifndef ELF_BITS
diff --git a/tools/testing/selftests/vDSO/parse_vdso.h b/tools/testing/selftests/vDSO/parse_vdso.h
new file mode 100644
index 000000000000..de0453067d7c
--- /dev/null
+++ b/tools/testing/selftests/vDSO/parse_vdso.h
@@ -0,0 +1,31 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#ifndef PARSE_VDSO_H
+#define PARSE_VDSO_H
+
+#include <stdint.h>
+
+/*
+ * To use this vDSO parser, first call one of the vdso_init_* functions.
+ * If you've already parsed auxv, then pass the value of AT_SYSINFO_EHDR
+ * to vdso_init_from_sysinfo_ehdr.  Otherwise pass auxv to vdso_init_from_auxv.
+ * Then call vdso_sym for each symbol you want.  For example, to look up
+ * gettimeofday on x86_64, use:
+ *
+ *     <some pointer> = vdso_sym("LINUX_2.6", "gettimeofday");
+ * or
+ *     <some pointer> = vdso_sym("LINUX_2.6", "__vdso_gettimeofday");
+ *
+ * vdso_sym will return 0 if the symbol doesn't exist or if the init function
+ * failed or was not called.  vdso_sym is a little slow, so its return value
+ * should be cached.
+ *
+ * vdso_sym is threadsafe; the init functions are not.
+ *
+ * These are the prototypes:
+ */
+void *vdso_sym(const char *version, const char *name);
+void vdso_init_from_sysinfo_ehdr(uintptr_t base);
+void vdso_init_from_auxv(void *auxv);
+
+#endif
diff --git a/tools/testing/selftests/vDSO/vdso_standalone_test_x86.c b/tools/testing/selftests/vDSO/vdso_standalone_test_x86.c
index 5ac4b00acfbc..8a44ff973ee1 100644
--- a/tools/testing/selftests/vDSO/vdso_standalone_test_x86.c
+++ b/tools/testing/selftests/vDSO/vdso_standalone_test_x86.c
@@ -16,9 +16,7 @@
 #include <unistd.h>
 #include <stdint.h>
 
-extern void *vdso_sym(const char *version, const char *name);
-extern void vdso_init_from_sysinfo_ehdr(uintptr_t base);
-extern void vdso_init_from_auxv(void *auxv);
+#include "parse_vdso.h"
 
 /* We need a libc functions... */
 int strcmp(const char *a, const char *b)
diff --git a/tools/testing/selftests/vDSO/vdso_test_getcpu.c b/tools/testing/selftests/vDSO/vdso_test_getcpu.c
new file mode 100644
index 000000000000..fc25ede131b8
--- /dev/null
+++ b/tools/testing/selftests/vDSO/vdso_test_getcpu.c
@@ -0,0 +1,54 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * vdso_test_getcpu.c: Sample code to test parse_vdso.c and vDSO getcpu()
+ *
+ * Copyright (c) 2020 Arm Ltd
+ */
+
+#include <stdint.h>
+#include <elf.h>
+#include <stdio.h>
+#include <sys/auxv.h>
+#include <sys/time.h>
+
+#include "../kselftest.h"
+#include "parse_vdso.h"
+
+const char *version = "LINUX_2.6";
+const char *name = "__vdso_getcpu";
+
+struct getcpu_cache;
+typedef long (*getcpu_t)(unsigned int *, unsigned int *,
+			 struct getcpu_cache *);
+
+int main(int argc, char **argv)
+{
+	unsigned long sysinfo_ehdr;
+	unsigned int cpu, node;
+	getcpu_t get_cpu;
+	long ret;
+
+	sysinfo_ehdr = getauxval(AT_SYSINFO_EHDR);
+	if (!sysinfo_ehdr) {
+		printf("AT_SYSINFO_EHDR is not present!\n");
+		return KSFT_SKIP;
+	}
+
+	vdso_init_from_sysinfo_ehdr(getauxval(AT_SYSINFO_EHDR));
+
+	get_cpu = (getcpu_t)vdso_sym(version, name);
+	if (!get_cpu) {
+		printf("Could not find %s\n", name);
+		return KSFT_SKIP;
+	}
+
+	ret = get_cpu(&cpu, &node, 0);
+	if (ret == 0) {
+		printf("Running on CPU %u node %u\n", cpu, node);
+	} else {
+		printf("%s failed\n", name);
+		return KSFT_FAIL;
+	}
+
+	return 0;
+}
diff --git a/tools/testing/selftests/vDSO/vdso_test.c b/tools/testing/selftests/vDSO/vdso_test_gettimeofday.c
index 719d5a6bd664..8ccc73ed8240 100644
--- a/tools/testing/selftests/vDSO/vdso_test.c
+++ b/tools/testing/selftests/vDSO/vdso_test_gettimeofday.c
@@ -1,10 +1,11 @@
 // SPDX-License-Identifier: GPL-2.0-only
 /*
- * vdso_test.c: Sample code to test parse_vdso.c
+ * vdso_test_gettimeofday.c: Sample code to test parse_vdso.c and
+ *                           vDSO gettimeofday()
  * Copyright (c) 2014 Andy Lutomirski
  *
  * Compile with:
- * gcc -std=gnu99 vdso_test.c parse_vdso.c
+ * gcc -std=gnu99 vdso_test_gettimeofday.c parse_vdso_gettimeofday.c
  *
  * Tested on x86, 32-bit and 64-bit.  It may work on other architectures, too.
  */
@@ -16,10 +17,7 @@
 #include <sys/time.h>
 
 #include "../kselftest.h"
-
-extern void *vdso_sym(const char *version, const char *name);
-extern void vdso_init_from_sysinfo_ehdr(uintptr_t base);
-extern void vdso_init_from_auxv(void *auxv);
+#include "parse_vdso.h"
 
 /*
  * ARM64's vDSO exports its gettimeofday() implementation with a different
diff --git a/tools/testing/selftests/vm/khugepaged.c b/tools/testing/selftests/vm/khugepaged.c
index 51b89cedd09d..8b75821302a7 100644
--- a/tools/testing/selftests/vm/khugepaged.c
+++ b/tools/testing/selftests/vm/khugepaged.c
@@ -502,7 +502,7 @@ static bool wait_for_scan(const char *msg, char *p)
 
 	madvise(p, hpage_pmd_size, MADV_NOHUGEPAGE);
 
-	return !timeout;
+	return timeout == -1;
 }
 
 static void alloc_at_fault(void)