Merge v5.10-rc3 into drm-next

We need commit f8f6ae5d077a ("mm: always have io_remap_pfn_range() set
pgprot_decrypted()") to be able to merge Jason's cleanup patch.

Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>

45 files changed, 229 insertions, 92 deletions

diff --git a/tools/testing/kunit/kunit_parser.py b/tools/testing/kunit/kunit_parser.py
index 8019e3dd4c32..84a1af2581f5 100644
--- a/tools/testing/kunit/kunit_parser.py
+++ b/tools/testing/kunit/kunit_parser.py
@@ -66,7 +66,6 @@ def isolate_kunit_output(kernel_output):
 def raw_output(kernel_output):
 	for line in kernel_output:
 		print(line)
-		yield line
 
 DIVIDER = '=' * 60
 
@@ -242,7 +241,7 @@ def parse_test_suite(lines: List[str], expected_suite_index: int) -> TestSuite:
 		return None
 	test_suite.name = name
 	expected_test_case_num = parse_subtest_plan(lines)
-	if not expected_test_case_num:
+	if expected_test_case_num is None:
 		return None
 	while expected_test_case_num > 0:
 		test_case = parse_test_case(lines)
diff --git a/tools/testing/kunit/kunit_tool_test.py b/tools/testing/kunit/kunit_tool_test.py
index 99c3c5671ea4..0b60855fb819 100755
--- a/tools/testing/kunit/kunit_tool_test.py
+++ b/tools/testing/kunit/kunit_tool_test.py
@@ -179,7 +179,7 @@ class KUnitParserTest(unittest.TestCase):
 		print_mock = mock.patch('builtins.print').start()
 		result = kunit_parser.parse_run_tests(
 			kunit_parser.isolate_kunit_output(file.readlines()))
-		print_mock.assert_any_call(StrContains("no kunit output detected"))
+		print_mock.assert_any_call(StrContains('no tests run!'))
 		print_mock.stop()
 		file.close()
 
@@ -198,39 +198,57 @@ class KUnitParserTest(unittest.TestCase):
 			'test_data/test_config_printk_time.log')
 		with open(prefix_log) as file:
 			result = kunit_parser.parse_run_tests(file.readlines())
-		self.assertEqual('kunit-resource-test', result.suites[0].name)
+			self.assertEqual(
+				kunit_parser.TestStatus.SUCCESS,
+				result.status)
+			self.assertEqual('kunit-resource-test', result.suites[0].name)
 
 	def test_ignores_multiple_prefixes(self):
 		prefix_log = get_absolute_path(
 			'test_data/test_multiple_prefixes.log')
 		with open(prefix_log) as file:
 			result = kunit_parser.parse_run_tests(file.readlines())
-		self.assertEqual('kunit-resource-test', result.suites[0].name)
+			self.assertEqual(
+				kunit_parser.TestStatus.SUCCESS,
+				result.status)
+			self.assertEqual('kunit-resource-test', result.suites[0].name)
 
 	def test_prefix_mixed_kernel_output(self):
 		mixed_prefix_log = get_absolute_path(
 			'test_data/test_interrupted_tap_output.log')
 		with open(mixed_prefix_log) as file:
 			result = kunit_parser.parse_run_tests(file.readlines())
-		self.assertEqual('kunit-resource-test', result.suites[0].name)
+			self.assertEqual(
+				kunit_parser.TestStatus.SUCCESS,
+				result.status)
+			self.assertEqual('kunit-resource-test', result.suites[0].name)
 
 	def test_prefix_poundsign(self):
 		pound_log = get_absolute_path('test_data/test_pound_sign.log')
 		with open(pound_log) as file:
 			result = kunit_parser.parse_run_tests(file.readlines())
-		self.assertEqual('kunit-resource-test', result.suites[0].name)
+			self.assertEqual(
+				kunit_parser.TestStatus.SUCCESS,
+				result.status)
+			self.assertEqual('kunit-resource-test', result.suites[0].name)
 
 	def test_kernel_panic_end(self):
 		panic_log = get_absolute_path('test_data/test_kernel_panic_interrupt.log')
 		with open(panic_log) as file:
 			result = kunit_parser.parse_run_tests(file.readlines())
-		self.assertEqual('kunit-resource-test', result.suites[0].name)
+			self.assertEqual(
+				kunit_parser.TestStatus.TEST_CRASHED,
+				result.status)
+			self.assertEqual('kunit-resource-test', result.suites[0].name)
 
 	def test_pound_no_prefix(self):
 		pound_log = get_absolute_path('test_data/test_pound_no_prefix.log')
 		with open(pound_log) as file:
 			result = kunit_parser.parse_run_tests(file.readlines())
-		self.assertEqual('kunit-resource-test', result.suites[0].name)
+			self.assertEqual(
+				kunit_parser.TestStatus.SUCCESS,
+				result.status)
+			self.assertEqual('kunit-resource-test', result.suites[0].name)
 
 class KUnitJsonTest(unittest.TestCase):
 
diff --git a/tools/testing/kunit/test_data/test_config_printk_time.log b/tools/testing/kunit/test_data/test_config_printk_time.log
index c02ca773946d..6bdb57f76eac 100644
--- a/tools/testing/kunit/test_data/test_config_printk_time.log
+++ b/tools/testing/kunit/test_data/test_config_printk_time.log
@@ -1,6 +1,7 @@
 [    0.060000] printk: console [mc-1] enabled
 [    0.060000] random: get_random_bytes called from init_oops_id+0x35/0x40 with crng_init=0
 [    0.060000] TAP version 14
+[    0.060000] 1..3
 [    0.060000] 	# Subtest: kunit-resource-test
 [    0.060000] 	1..5
 [    0.060000] 	ok 1 - kunit_resource_test_init_resources
@@ -28,4 +29,4 @@
 [    0.060000] Stack:
 [    0.060000]  602086f8 601bc260 705c0000 705c0000
 [    0.060000]  602086f8 6005fcec 705c0000 6002c6ab
-[    0.060000]  6005fcec 601bc260 705c0000 3000000010
\ No newline at end of file
+[    0.060000]  6005fcec 601bc260 705c0000 3000000010
diff --git a/tools/testing/kunit/test_data/test_interrupted_tap_output.log b/tools/testing/kunit/test_data/test_interrupted_tap_output.log
index 5c73fb3a1c6f..1fb677728abe 100644
--- a/tools/testing/kunit/test_data/test_interrupted_tap_output.log
+++ b/tools/testing/kunit/test_data/test_interrupted_tap_output.log
@@ -1,6 +1,7 @@
 [    0.060000] printk: console [mc-1] enabled
 [    0.060000] random: get_random_bytes called from init_oops_id+0x35/0x40 with crng_init=0
 [    0.060000] TAP version 14
+[    0.060000] 1..3
 [    0.060000] 	# Subtest: kunit-resource-test
 [    0.060000] 	1..5
 [    0.060000] 	ok 1 - kunit_resource_test_init_resources
@@ -34,4 +35,4 @@
 [    0.060000] Stack:
 [    0.060000]  602086f8 601bc260 705c0000 705c0000
 [    0.060000]  602086f8 6005fcec 705c0000 6002c6ab
-[    0.060000]  6005fcec 601bc260 705c0000 3000000010
\ No newline at end of file
+[    0.060000]  6005fcec 601bc260 705c0000 3000000010
diff --git a/tools/testing/kunit/test_data/test_kernel_panic_interrupt.log b/tools/testing/kunit/test_data/test_kernel_panic_interrupt.log
index c045eee75f27..a014ffe9725e 100644
--- a/tools/testing/kunit/test_data/test_kernel_panic_interrupt.log
+++ b/tools/testing/kunit/test_data/test_kernel_panic_interrupt.log
@@ -1,6 +1,7 @@
 [    0.060000] printk: console [mc-1] enabled
 [    0.060000] random: get_random_bytes called from init_oops_id+0x35/0x40 with crng_init=0
 [    0.060000] TAP version 14
+[    0.060000] 1..3
 [    0.060000] 	# Subtest: kunit-resource-test
 [    0.060000] 	1..5
 [    0.060000] 	ok 1 - kunit_resource_test_init_resources
@@ -22,4 +23,4 @@
 [    0.060000] Stack:
 [    0.060000]  602086f8 601bc260 705c0000 705c0000
 [    0.060000]  602086f8 6005fcec 705c0000 6002c6ab
-[    0.060000]  6005fcec 601bc260 705c0000 3000000010
\ No newline at end of file
+[    0.060000]  6005fcec 601bc260 705c0000 3000000010
diff --git a/tools/testing/kunit/test_data/test_multiple_prefixes.log b/tools/testing/kunit/test_data/test_multiple_prefixes.log
index bc48407dcc36..0ad78481a0b4 100644
--- a/tools/testing/kunit/test_data/test_multiple_prefixes.log
+++ b/tools/testing/kunit/test_data/test_multiple_prefixes.log
@@ -1,6 +1,7 @@
 [    0.060000][    T1] printk: console [mc-1] enabled
 [    0.060000][    T1] random: get_random_bytes called from init_oops_id+0x35/0x40 with crng_init=0
 [    0.060000][    T1] TAP version 14
+[    0.060000][    T1] 1..3
 [    0.060000][    T1] 	# Subtest: kunit-resource-test
 [    0.060000][    T1] 	1..5
 [    0.060000][    T1] 	ok 1 - kunit_resource_test_init_resources
@@ -28,4 +29,4 @@
 [    0.060000][    T1] Stack:
 [    0.060000][    T1]  602086f8 601bc260 705c0000 705c0000
 [    0.060000][    T1]  602086f8 6005fcec 705c0000 6002c6ab
-[    0.060000][    T1]  6005fcec 601bc260 705c0000 3000000010
\ No newline at end of file
+[    0.060000][    T1]  6005fcec 601bc260 705c0000 3000000010
diff --git a/tools/testing/kunit/test_data/test_pound_no_prefix.log b/tools/testing/kunit/test_data/test_pound_no_prefix.log
index 2ceb360be7d5..dc4cf09a96d0 100644
--- a/tools/testing/kunit/test_data/test_pound_no_prefix.log
+++ b/tools/testing/kunit/test_data/test_pound_no_prefix.log
@@ -1,6 +1,7 @@
  printk: console [mc-1] enabled
  random: get_random_bytes called from init_oops_id+0x35/0x40 with crng_init=0
  TAP version 14
+ 1..3
  	# Subtest: kunit-resource-test
  	1..5
  	ok 1 - kunit_resource_test_init_resources
@@ -30,4 +31,4 @@
  Stack:
   602086f8 601bc260 705c0000 705c0000
   602086f8 6005fcec 705c0000 6002c6ab
-  6005fcec 601bc260 705c0000 3000000010
\ No newline at end of file
+  6005fcec 601bc260 705c0000 3000000010
diff --git a/tools/testing/kunit/test_data/test_pound_sign.log b/tools/testing/kunit/test_data/test_pound_sign.log
index 28ffa5ba03bf..3f358e3a7ba0 100644
--- a/tools/testing/kunit/test_data/test_pound_sign.log
+++ b/tools/testing/kunit/test_data/test_pound_sign.log
@@ -1,6 +1,7 @@
 [    0.060000] printk: console [mc-1] enabled
 [    0.060000] random: get_random_bytes called from init_oops_id+0x35/0x40 with crng_init=0
 [    0.060000] TAP version 14
+[    0.060000] 1..3
 [    0.060000] 	# Subtest: kunit-resource-test
 [    0.060000] 	1..5
 [    0.060000] 	ok 1 - kunit_resource_test_init_resources
diff --git a/tools/testing/selftests/clone3/clone3_cap_checkpoint_restore.c b/tools/testing/selftests/clone3/clone3_cap_checkpoint_restore.c
index 55bd387ce7ec..52d3f0364bda 100644
--- a/tools/testing/selftests/clone3/clone3_cap_checkpoint_restore.c
+++ b/tools/testing/selftests/clone3/clone3_cap_checkpoint_restore.c
@@ -145,7 +145,7 @@ TEST(clone3_cap_checkpoint_restore)
 	test_clone3_supported();
 
 	EXPECT_EQ(getuid(), 0)
-		XFAIL(return, "Skipping all tests as non-root\n");
+		SKIP(return, "Skipping all tests as non-root");
 
 	memset(&set_tid, 0, sizeof(set_tid));
 
diff --git a/tools/testing/selftests/core/close_range_test.c b/tools/testing/selftests/core/close_range_test.c
index c99b98b0d461..575b391ddc78 100644
--- a/tools/testing/selftests/core/close_range_test.c
+++ b/tools/testing/selftests/core/close_range_test.c
@@ -44,7 +44,7 @@ TEST(close_range)
 		fd = open("/dev/null", O_RDONLY | O_CLOEXEC);
 		ASSERT_GE(fd, 0) {
 			if (errno == ENOENT)
-				XFAIL(return, "Skipping test since /dev/null does not exist");
+				SKIP(return, "Skipping test since /dev/null does not exist");
 		}
 
 		open_fds[i] = fd;
@@ -52,7 +52,7 @@ TEST(close_range)
 
 	EXPECT_EQ(-1, sys_close_range(open_fds[0], open_fds[100], -1)) {
 		if (errno == ENOSYS)
-			XFAIL(return, "close_range() syscall not supported");
+			SKIP(return, "close_range() syscall not supported");
 	}
 
 	EXPECT_EQ(0, sys_close_range(open_fds[0], open_fds[50], 0));
@@ -108,7 +108,7 @@ TEST(close_range_unshare)
 		fd = open("/dev/null", O_RDONLY | O_CLOEXEC);
 		ASSERT_GE(fd, 0) {
 			if (errno == ENOENT)
-				XFAIL(return, "Skipping test since /dev/null does not exist");
+				SKIP(return, "Skipping test since /dev/null does not exist");
 		}
 
 		open_fds[i] = fd;
@@ -197,7 +197,7 @@ TEST(close_range_unshare_capped)
 		fd = open("/dev/null", O_RDONLY | O_CLOEXEC);
 		ASSERT_GE(fd, 0) {
 			if (errno == ENOENT)
-				XFAIL(return, "Skipping test since /dev/null does not exist");
+				SKIP(return, "Skipping test since /dev/null does not exist");
 		}
 
 		open_fds[i] = fd;
diff --git a/tools/testing/selftests/filesystems/binderfs/binderfs_test.c b/tools/testing/selftests/filesystems/binderfs/binderfs_test.c
index 1d27f52c61e6..477cbb042f5b 100644
--- a/tools/testing/selftests/filesystems/binderfs/binderfs_test.c
+++ b/tools/testing/selftests/filesystems/binderfs/binderfs_test.c
@@ -74,7 +74,7 @@ static int __do_binderfs_test(struct __test_metadata *_metadata)
 	ret = mount(NULL, binderfs_mntpt, "binder", 0, 0);
 	EXPECT_EQ(ret, 0) {
 		if (errno == ENODEV)
-			XFAIL(goto out, "binderfs missing");
+			SKIP(goto out, "binderfs missing");
 		TH_LOG("%s - Failed to mount binderfs", strerror(errno));
 		goto rmdir;
 	}
@@ -475,10 +475,10 @@ TEST(binderfs_stress)
 TEST(binderfs_test_privileged)
 {
 	if (geteuid() != 0)
-		XFAIL(return, "Tests are not run as root. Skipping privileged tests");
+		SKIP(return, "Tests are not run as root. Skipping privileged tests");
 
 	if (__do_binderfs_test(_metadata))
-		XFAIL(return, "The Android binderfs filesystem is not available");
+		SKIP(return, "The Android binderfs filesystem is not available");
 }
 
 TEST(binderfs_test_unprivileged)
@@ -511,7 +511,7 @@ TEST(binderfs_test_unprivileged)
 	ret = wait_for_pid(pid);
 	if (ret) {
 		if (ret == 2)
-			XFAIL(return, "The Android binderfs filesystem is not available");
+			SKIP(return, "The Android binderfs filesystem is not available");
 		ASSERT_EQ(ret, 0) {
 			TH_LOG("wait_for_pid() failed");
 		}
diff --git a/tools/testing/selftests/filesystems/epoll/epoll_wakeup_test.c b/tools/testing/selftests/filesystems/epoll/epoll_wakeup_test.c
index d979ff14775a..8f82f99f7748 100644
--- a/tools/testing/selftests/filesystems/epoll/epoll_wakeup_test.c
+++ b/tools/testing/selftests/filesystems/epoll/epoll_wakeup_test.c
@@ -3282,4 +3282,99 @@ TEST(epoll60)
 	close(ctx.epfd);
 }
 
+struct epoll61_ctx {
+	int epfd;
+	int evfd;
+};
+
+static void *epoll61_write_eventfd(void *ctx_)
+{
+	struct epoll61_ctx *ctx = ctx_;
+	int64_t l = 1;
+
+	usleep(10950);
+	write(ctx->evfd, &l, sizeof(l));
+	return NULL;
+}
+
+static void *epoll61_epoll_with_timeout(void *ctx_)
+{
+	struct epoll61_ctx *ctx = ctx_;
+	struct epoll_event events[1];
+	int n;
+
+	n = epoll_wait(ctx->epfd, events, 1, 11);
+	/*
+	 * If epoll returned the eventfd, write on the eventfd to wake up the
+	 * blocking poller.
+	 */
+	if (n == 1) {
+		int64_t l = 1;
+
+		write(ctx->evfd, &l, sizeof(l));
+	}
+	return NULL;
+}
+
+static void *epoll61_blocking_epoll(void *ctx_)
+{
+	struct epoll61_ctx *ctx = ctx_;
+	struct epoll_event events[1];
+
+	epoll_wait(ctx->epfd, events, 1, -1);
+	return NULL;
+}
+
+TEST(epoll61)
+{
+	struct epoll61_ctx ctx;
+	struct epoll_event ev;
+	int i, r;
+
+	ctx.epfd = epoll_create1(0);
+	ASSERT_GE(ctx.epfd, 0);
+	ctx.evfd = eventfd(0, EFD_NONBLOCK);
+	ASSERT_GE(ctx.evfd, 0);
+
+	ev.events = EPOLLIN | EPOLLET | EPOLLERR | EPOLLHUP;
+	ev.data.ptr = NULL;
+	r = epoll_ctl(ctx.epfd, EPOLL_CTL_ADD, ctx.evfd, &ev);
+	ASSERT_EQ(r, 0);
+
+	/*
+	 * We are testing a race.  Repeat the test case 1000 times to make it
+	 * more likely to fail in case of a bug.
+	 */
+	for (i = 0; i < 1000; i++) {
+		pthread_t threads[3];
+		int n;
+
+		/*
+		 * Start 3 threads:
+		 * Thread 1 sleeps for 10.9ms and writes to the evenfd.
+		 * Thread 2 calls epoll with a timeout of 11ms.
+		 * Thread 3 calls epoll with a timeout of -1.
+		 *
+		 * The eventfd write by Thread 1 should either wakeup Thread 2
+		 * or Thread 3.  If it wakes up Thread 2, Thread 2 writes on the
+		 * eventfd to wake up Thread 3.
+		 *
+		 * If no events are missed, all three threads should eventually
+		 * be joinable.
+		 */
+		ASSERT_EQ(pthread_create(&threads[0], NULL,
+					 epoll61_write_eventfd, &ctx), 0);
+		ASSERT_EQ(pthread_create(&threads[1], NULL,
+					 epoll61_epoll_with_timeout, &ctx), 0);
+		ASSERT_EQ(pthread_create(&threads[2], NULL,
+					 epoll61_blocking_epoll, &ctx), 0);
+
+		for (n = 0; n < ARRAY_SIZE(threads); ++n)
+			ASSERT_EQ(pthread_join(threads[n], NULL), 0);
+	}
+
+	close(ctx.epfd);
+	close(ctx.evfd);
+}
+
 TEST_HARNESS_MAIN
diff --git a/tools/testing/selftests/ftrace/test.d/dynevent/add_remove_kprobe.tc b/tools/testing/selftests/ftrace/test.d/dynevent/add_remove_kprobe.tc
index 3bcd4c3624ee..b4da41d126d5 100644
--- a/tools/testing/selftests/ftrace/test.d/dynevent/add_remove_kprobe.tc
+++ b/tools/testing/selftests/ftrace/test.d/dynevent/add_remove_kprobe.tc
@@ -6,7 +6,7 @@
 echo 0 > events/enable
 echo > dynamic_events
 
-PLACE=kernel_clone
+PLACE=$FUNCTION_FORK
 
 echo "p:myevent1 $PLACE" >> dynamic_events
 echo "r:myevent2 $PLACE" >> dynamic_events
diff --git a/tools/testing/selftests/ftrace/test.d/dynevent/clear_select_events.tc b/tools/testing/selftests/ftrace/test.d/dynevent/clear_select_events.tc
index 438961971b7e..3a0e2885fff5 100644
--- a/tools/testing/selftests/ftrace/test.d/dynevent/clear_select_events.tc
+++ b/tools/testing/selftests/ftrace/test.d/dynevent/clear_select_events.tc
@@ -6,7 +6,7 @@
 echo 0 > events/enable
 echo > dynamic_events
 
-PLACE=kernel_clone
+PLACE=$FUNCTION_FORK
 
 setup_events() {
 echo "p:myevent1 $PLACE" >> dynamic_events
diff --git a/tools/testing/selftests/ftrace/test.d/dynevent/generic_clear_event.tc b/tools/testing/selftests/ftrace/test.d/dynevent/generic_clear_event.tc
index a8603bd23e0d..d3e138e8377f 100644
--- a/tools/testing/selftests/ftrace/test.d/dynevent/generic_clear_event.tc
+++ b/tools/testing/selftests/ftrace/test.d/dynevent/generic_clear_event.tc
@@ -6,7 +6,7 @@
 echo 0 > events/enable
 echo > dynamic_events
 
-PLACE=kernel_clone
+PLACE=$FUNCTION_FORK
 
 setup_events() {
 echo "p:myevent1 $PLACE" >> dynamic_events
diff --git a/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-notrace-pid.tc b/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-notrace-pid.tc
index acb17ce543d2..80541964b927 100644
--- a/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-notrace-pid.tc
+++ b/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-notrace-pid.tc
@@ -39,7 +39,7 @@ do_test() {
     disable_tracing
 
     echo do_execve* > set_ftrace_filter
-    echo *do_fork >> set_ftrace_filter
+    echo $FUNCTION_FORK >> set_ftrace_filter
 
     echo $PID > set_ftrace_notrace_pid
     echo function > current_tracer
diff --git a/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-pid.tc b/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-pid.tc
index 9f0a9687c773..2f7211254529 100644
--- a/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-pid.tc
+++ b/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-pid.tc
@@ -39,7 +39,7 @@ do_test() {
     disable_tracing
 
     echo do_execve* > set_ftrace_filter
-    echo *do_fork >> set_ftrace_filter
+    echo $FUNCTION_FORK >> set_ftrace_filter
 
     echo $PID > set_ftrace_pid
     echo function > current_tracer
diff --git a/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-stacktrace.tc b/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-stacktrace.tc
index 98305d76bd04..191d116b7883 100644
--- a/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-stacktrace.tc
+++ b/tools/testing/selftests/ftrace/test.d/ftrace/func-filter-stacktrace.tc
@@ -4,9 +4,9 @@
 # requires: set_ftrace_filter
 # flags: instance
 
-echo kernel_clone:stacktrace >> set_ftrace_filter
+echo $FUNCTION_FORK:stacktrace >> set_ftrace_filter
 
-grep -q "kernel_clone:stacktrace:unlimited" set_ftrace_filter
+grep -q "$FUNCTION_FORK:stacktrace:unlimited" set_ftrace_filter
 
 (echo "forked"; sleep 1)
 
diff --git a/tools/testing/selftests/ftrace/test.d/functions b/tools/testing/selftests/ftrace/test.d/functions
index c5dec55b7d95..a6fac927ee82 100644
--- a/tools/testing/selftests/ftrace/test.d/functions
+++ b/tools/testing/selftests/ftrace/test.d/functions
@@ -133,6 +133,13 @@ yield() {
     ping $LOCALHOST -c 1 || sleep .001 || usleep 1 || sleep 1
 }
 
+# The fork function in the kernel was renamed from "_do_fork" to
+# "kernel_fork". As older tests should still work with older kernels
+# as well as newer kernels, check which version of fork is used on this
+# kernel so that the tests can use the fork function for the running kernel.
+FUNCTION_FORK=`(if grep '\bkernel_clone\b' /proc/kallsyms > /dev/null; then
+                echo kernel_clone; else echo '_do_fork'; fi)`
+
 # 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
diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/add_and_remove.tc b/tools/testing/selftests/ftrace/test.d/kprobe/add_and_remove.tc
index 9737cd0578a7..2428a3ed78c9 100644
--- a/tools/testing/selftests/ftrace/test.d/kprobe/add_and_remove.tc
+++ b/tools/testing/selftests/ftrace/test.d/kprobe/add_and_remove.tc
@@ -3,7 +3,7 @@
 # description: Kprobe dynamic event - adding and removing
 # requires: kprobe_events
 
-echo p:myevent kernel_clone > kprobe_events
+echo p:myevent $FUNCTION_FORK > kprobe_events
 grep myevent kprobe_events
 test -d events/kprobes/myevent
 echo > kprobe_events
diff --git a/tools/testing/selftests/ftrace/test.d/kprobe/busy_check.tc b/tools/testing/selftests/ftrace/test.d/kprobe/busy_check.tc
index f9a40af76888..010a8b1d6c1d 100644
--- a/tools/testing/selftests/ftrace/test.d/kprobe/busy_check.tc
+++ b/tools/testing/selftests/ftrace/test.d/kprobe/busy_check.tc
@@ -3,7 +3,7 @@
 # description: Kprobe dynamic event - busy event check
 # requires: kprobe_events
 
-echo p:myeven