# SPDX-License-Identifier: GPL-2.0
SYSFS=
+# Kselftest framework requirement - SKIP code is 4.
+ksft_skip=4
prerequisite()
{
if [ $UID != 0 ]; then
echo $msg must be run as root >&2
- exit 0
+ exit $ksft_skip
fi
taskset -p 01 $$
if [ ! -d "$SYSFS" ]; then
echo $msg sysfs is not mounted >&2
- exit 0
+ 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 0
+ exit $ksft_skip
fi
echo "CPU online/offline summary:"
if [[ "$online_cpus" = "$online_max" ]]; then
echo "$msg: since there is only one cpu: $online_cpus"
- exit 0
+ exit $ksft_skip
fi
echo -e "\t Cpus in online state: $online_cpus"
if [ ! -d "$DEBUGFS" ]; then
echo $msg debugfs is not mounted >&2
- exit 0
+ exit $ksft_skip
fi
if [ ! -d $NOTIFIER_ERR_INJECT_DIR ]; then
echo $msg cpu-notifier-error-inject module is not available >&2
- exit 0
+ exit $ksft_skip
fi
}