diff options
| -rw-r--r-- | kernel/rcu/rcutorture.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/kernel/rcu/rcutorture.c b/kernel/rcu/rcutorture.c index dee7b45b2186..8ab23143c244 100644 --- a/kernel/rcu/rcutorture.c +++ b/kernel/rcu/rcutorture.c @@ -1678,6 +1678,7 @@ static int rcu_torture_fwd_prog(void *args) int idx; unsigned long stopat; bool tested = false; + int tested_tries = 0; VERBOSE_TOROUT_STRING("rcu_torture_fwd_progress task started"); do { @@ -1692,6 +1693,7 @@ static int rcu_torture_fwd_prog(void *args) if (!fwd_progress_need_resched || need_resched()) cond_resched(); } + tested_tries++; if (!time_before(jiffies, stopat) && !torture_must_stop()) { tested = true; cver = cver == READ_ONCE(rcu_torture_current_version); @@ -1701,7 +1703,8 @@ static int rcu_torture_fwd_prog(void *args) /* Avoid slow periods, better to test when busy. */ stutter_wait("rcu_torture_fwd_prog"); } while (!torture_must_stop()); - WARN_ON(!tested); + /* Short runs might not contain a valid forward-progress attempt. */ + WARN_ON(!tested && tested_tries >= 5); torture_kthread_stopping("rcu_torture_fwd_prog"); return 0; } |