[GIT PULL] Kselftest second update for Linux 6.1-rc1

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Hi Linus,

Please pull the following second Kselftest update for Linux 6.1-rc1.

This second Kselftest update for Linux 6.1-rc1 consists of fixes
and improvements to memory-hotplug test and a minor spelling fix
to ftrace test.

diff for this pull request is attached

thanks,
-- Shuah

----------------------------------------------------------------
The following changes since commit 83e14a57d59f22a89ad7d59752f5b69189299531:

  docs:kselftest: fix kselftest_module.h path of example module (2022-10-05 11:05:18 -0600)

are available in the Git repository at:

  git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux-kselftest tags/linux-kselftest-next-6.1-rc1-2

for you to fetch changes up to 6a24247132db8122600dc5523e3a62fa8fd28367:

  docs: notifier-error-inject: Correct test's name (2022-10-07 10:32:16 -0600)

----------------------------------------------------------------
linux-kselftest-next-6.1-rc1-2

This second Kselftest update for Linux 6.1-rc1 consists of fixes
and improvements to memory-hotplug test and a minor spelling fix
to ftrace test.

----------------------------------------------------------------
Randy Dunlap (1):
      selftests/ftrace: func_event_triggers: fix typo in user message

Zhao Gongyi (4):
      selftests/memory-hotplug: Add checking after online or offline
      selftests/memory-hotplug: Restore memory before exit
      selftests/memory-hotplug: Adjust log info for maintainability
      docs: notifier-error-inject: Correct test's name

 .../fault-injection/notifier-error-inject.rst      |  4 +--
 .../ftrace/test.d/ftrace/func_event_triggers.tc    |  2 +-
 .../selftests/memory-hotplug/mem-on-off-test.sh    | 34 +++++++++++++++++-----
 3 files changed, 30 insertions(+), 10 deletions(-)
----------------------------------------------------------------
diff --git a/Documentation/fault-injection/notifier-error-inject.rst b/Documentation/fault-injection/notifier-error-inject.rst
index 1668b6e48d3a..fdf2dc433ead 100644
--- a/Documentation/fault-injection/notifier-error-inject.rst
+++ b/Documentation/fault-injection/notifier-error-inject.rst
@@ -91,8 +91,8 @@ For more usage examples
 There are tools/testing/selftests using the notifier error injection features
 for CPU and memory notifiers.
 
- * tools/testing/selftests/cpu-hotplug/on-off-test.sh
- * tools/testing/selftests/memory-hotplug/on-off-test.sh
+ * tools/testing/selftests/cpu-hotplug/cpu-on-off-test.sh
+ * tools/testing/selftests/memory-hotplug/mem-on-off-test.sh
 
 These scripts first do simple online and offline tests and then do fault
 injection tests if notifier error injection module is available.
diff --git a/tools/testing/selftests/ftrace/test.d/ftrace/func_event_triggers.tc b/tools/testing/selftests/ftrace/test.d/ftrace/func_event_triggers.tc
index 3145b0f1835c..8d26d5505808 100644
--- a/tools/testing/selftests/ftrace/test.d/ftrace/func_event_triggers.tc
+++ b/tools/testing/selftests/ftrace/test.d/ftrace/func_event_triggers.tc
@@ -85,7 +85,7 @@ run_enable_disable() {
 	echo $check_disable > $EVENT_ENABLE
     done
     sleep $SLEEP_TIME
-    echo " make sure it's still works"
+    echo " make sure it still works"
     test_event_enabled $check_enable_star
 
     reset_ftrace_filter
diff --git a/tools/testing/selftests/memory-hotplug/mem-on-off-test.sh b/tools/testing/selftests/memory-hotplug/mem-on-off-test.sh
index 46a97f318f58..74ee5067a8ce 100755
--- a/tools/testing/selftests/memory-hotplug/mem-on-off-test.sh
+++ b/tools/testing/selftests/memory-hotplug/mem-on-off-test.sh
@@ -134,6 +134,16 @@ offline_memory_expect_fail()
 	return 0
 }
 
+online_all_offline_memory()
+{
+	for memory in `hotpluggable_offline_memory`; do
+		if ! online_memory_expect_success $memory; then
+			echo "$FUNCNAME $memory: unexpected fail" >&2
+			retval=1
+		fi
+	done
+}
+
 error=-12
 priority=0
 # Run with default of ratio=2 for Kselftest run
@@ -197,8 +207,11 @@ echo -e "\t trying to offline $target out of $hotpluggable_num memory block(s):"
 for memory in `hotpluggable_online_memory`; do
 	if [ "$target" -gt 0 ]; then
 		echo "online->offline memory$memory"
-		if offline_memory_expect_success $memory; then
+		if offline_memory_expect_success $memory &>/dev/null; then
 			target=$(($target - 1))
+			echo "-> Success"
+		else
+			echo "-> Failure"
 		fi
 	fi
 done
@@ -257,7 +270,7 @@ prerequisite_extra
 echo 0 > $NOTIFIER_ERR_INJECT_DIR/actions/MEM_GOING_OFFLINE/error
 for memory in `hotpluggable_online_memory`; do
 	if [ $((RANDOM % 100)) -lt $ratio ]; then
-		offline_memory_expect_success $memory
+		offline_memory_expect_success $memory &>/dev/null
 	fi
 done
 
@@ -266,16 +279,16 @@ done
 #
 echo $error > $NOTIFIER_ERR_INJECT_DIR/actions/MEM_GOING_ONLINE/error
 for memory in `hotpluggable_offline_memory`; do
-	online_memory_expect_fail $memory
+	if ! online_memory_expect_fail $memory; then
+		retval=1
+	fi
 done
 
 #
 # Online all hot-pluggable memory
 #
 echo 0 > $NOTIFIER_ERR_INJECT_DIR/actions/MEM_GOING_ONLINE/error
-for memory in `hotpluggable_offline_memory`; do
-	online_memory_expect_success $memory
-done
+online_all_offline_memory
 
 #
 # Test memory hot-remove error handling (online => offline)
@@ -283,11 +296,18 @@ done
 echo $error > $NOTIFIER_ERR_INJECT_DIR/actions/MEM_GOING_OFFLINE/error
 for memory in `hotpluggable_online_memory`; do
 	if [ $((RANDOM % 100)) -lt $ratio ]; then
-		offline_memory_expect_fail $memory
+		if ! offline_memory_expect_fail $memory; then
+			retval=1
+		fi
 	fi
 done
 
 echo 0 > $NOTIFIER_ERR_INJECT_DIR/actions/MEM_GOING_OFFLINE/error
 /sbin/modprobe -q -r memory-notifier-error-inject
 
+#
+# Restore memory before exit
+#
+online_all_offline_memory
+
 exit $retval

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