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-rw-r--r--kernel/torture.c33
1 files changed, 17 insertions, 16 deletions
diff --git a/kernel/torture.c b/kernel/torture.c
index 52781e838541..3bcbd4fbfe18 100644
--- a/kernel/torture.c
+++ b/kernel/torture.c
@@ -573,18 +573,21 @@ static int stutter;
*/
void stutter_wait(const char *title)
{
+ int spt;
+
cond_resched_rcu_qs();
- while (READ_ONCE(stutter_pause_test) ||
- (torture_runnable && !READ_ONCE(*torture_runnable))) {
- if (stutter_pause_test)
- if (READ_ONCE(stutter_pause_test) == 1)
- schedule_timeout_interruptible(1);
- else
- while (READ_ONCE(stutter_pause_test))
- cond_resched();
- else
+ spt = READ_ONCE(stutter_pause_test);
+ while (spt || (torture_runnable && !READ_ONCE(*torture_runnable))) {
+ if (spt == 1) {
+ schedule_timeout_interruptible(1);
+ } else if (spt == 2) {
+ while (READ_ONCE(stutter_pause_test))
+ cond_resched();
+ } else {
schedule_timeout_interruptible(round_jiffies_relative(HZ));
+ }
torture_shutdown_absorb(title);
+ spt = READ_ONCE(stutter_pause_test);
}
}
EXPORT_SYMBOL_GPL(stutter_wait);
@@ -597,17 +600,15 @@ static int torture_stutter(void *arg)
{
VERBOSE_TOROUT_STRING("torture_stutter task started");
do {
- if (!torture_must_stop()) {
- if (stutter > 1) {
- schedule_timeout_interruptible(stutter - 1);
- WRITE_ONCE(stutter_pause_test, 2);
- }
- schedule_timeout_interruptible(1);
+ if (!torture_must_stop() && stutter > 1) {
WRITE_ONCE(stutter_pause_test, 1);
+ schedule_timeout_interruptible(stutter - 1);
+ WRITE_ONCE(stutter_pause_test, 2);
+ schedule_timeout_interruptible(1);
}
+ WRITE_ONCE(stutter_pause_test, 0);
if (!torture_must_stop())
schedule_timeout_interruptible(stutter);
- WRITE_ONCE(stutter_pause_test, 0);
torture_shutdown_absorb("torture_stutter");
} while (!torture_must_stop());
torture_kthread_stopping("torture_stutter");