From: Lai Jiangshan <laijs@xxxxxxxxxxxxxxxxx>
In my box, all CPUs are allowed to be offline. The test tries to offline
all offline-able CPUs and causes fail on the last one. We should just
skip offlining the last CPU
Signed-off-by: Lai Jiangshan <laijs@xxxxxxxxxxxxxxxxx>
---
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 0d26b5e3f966..5cdef96326a7 100755
--- a/tools/testing/selftests/cpu-hotplug/cpu-on-off-test.sh
+++ b/tools/testing/selftests/cpu-hotplug/cpu-on-off-test.sh
@@ -126,6 +126,11 @@ offline_cpu_expect_success()
{
local cpu=$1
+ # don't offline the last CPU if all CPUs are offline-able
+ if [[ a$cpu = a`cat $SYSFS/devices/system/cpu/online` ]]; then
+ return
+ fi
+
if ! offline_cpu $cpu; then
echo $FUNCNAME $cpu: unexpected fail >&2
exit 1
--
2.19.1.6.gb485710b
