* [PATCH] selftests: cpu-hotplug: check hotplug dir for the CONFIG_HOTPLUG_CPU
@ 2019-03-12 9:58 Po-Hsu Lin
0 siblings, 0 replies; only message in thread
From: Po-Hsu Lin @ 2019-03-12 9:58 UTC (permalink / raw)
To: shuah, linux-kselftest; +Cc: linux-kernel
When the CONFIG_HOTPLUG_CPU is not set, there won't be a "hotplug"
directory in /sys/devices/system/cpu/. Make use of this fact to check
if we need to skip this test.
Signed-off-by: Po-Hsu Lin <po-hsu.lin@canonical.com>
---
tools/testing/selftests/cpu-hotplug/cpu-on-off-test.sh | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/tools/testing/selftests/cpu-hotplug/cpu-on-off-test.sh b/tools/testing/selftests/cpu-hotplug/cpu-on-off-test.sh
index 0d26b5e..27275a1 100755
--- a/tools/testing/selftests/cpu-hotplug/cpu-on-off-test.sh
+++ b/tools/testing/selftests/cpu-hotplug/cpu-on-off-test.sh
@@ -23,6 +23,11 @@ prerequisite()
exit $ksft_skip
fi
+ if [ ! -d $SYSFS/devices/system/cpu/hotplug/ ]; then
+ echo $msg CONFIG_HOTPLUG_CPU needs to be enabled >&2
+ exit $ksft_skip
+ fi
+
if ! ls $SYSFS/devices/system/cpu/cpu* > /dev/null 2>&1; then
echo $msg cpu hotplug is not supported >&2
exit $ksft_skip
--
2.7.4
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