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-rwxr-xr-xtools/testing/selftests/livepatch/test-syscall.sh11
1 files changed, 7 insertions, 4 deletions
diff --git a/tools/testing/selftests/livepatch/test-syscall.sh b/tools/testing/selftests/livepatch/test-syscall.sh
index b76a881d4013..5f9344277b62 100755
--- a/tools/testing/selftests/livepatch/test-syscall.sh
+++ b/tools/testing/selftests/livepatch/test-syscall.sh
@@ -15,7 +15,10 @@ setup_config
start_test "patch getpid syscall while being heavily hammered"
-for i in $(seq 1 $(getconf _NPROCESSORS_ONLN)); do
+NPROC=$(getconf _NPROCESSORS_ONLN)
+MAXPROC=128
+
+for i in $(seq 1 $(($NPROC < $MAXPROC ? $NPROC : $MAXPROC))); do
./test_klp-call_getpid &
pids[$i]="$!"
done
@@ -24,9 +27,9 @@ pid_list=$(echo ${pids[@]} | tr ' ' ',')
load_lp $MOD_SYSCALL klp_pids=$pid_list
# wait for all tasks to transition to patched state
-loop_until 'grep -q '^0$' /sys/kernel/test_klp_syscall/npids'
+loop_until 'grep -q '^0$' $SYSFS_KERNEL_DIR/$MOD_SYSCALL/npids'
-pending_pids=$(cat /sys/kernel/test_klp_syscall/npids)
+pending_pids=$(cat $SYSFS_KERNEL_DIR/$MOD_SYSCALL/npids)
log "$MOD_SYSCALL: Remaining not livepatched processes: $pending_pids"
for pid in ${pids[@]}; do
@@ -43,7 +46,7 @@ livepatch: '$MOD_SYSCALL': starting patching transition
livepatch: '$MOD_SYSCALL': completing patching transition
livepatch: '$MOD_SYSCALL': patching complete
$MOD_SYSCALL: Remaining not livepatched processes: 0
-% echo 0 > /sys/kernel/livepatch/$MOD_SYSCALL/enabled
+% echo 0 > $SYSFS_KLP_DIR/$MOD_SYSCALL/enabled
livepatch: '$MOD_SYSCALL': initializing unpatching transition
livepatch: '$MOD_SYSCALL': starting unpatching transition
livepatch: '$MOD_SYSCALL': completing unpatching transition