diff options
| -rw-r--r-- | kernel/signal.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/signal.c b/kernel/signal.c index 6e600aaa2af4..9b5453ee5f5e 100644 --- a/kernel/signal.c +++ b/kernel/signal.c @@ -277,6 +277,7 @@ void task_clear_jobctl_trapping(struct task_struct *task) { if (unlikely(task->jobctl & JOBCTL_TRAPPING)) { task->jobctl &= ~JOBCTL_TRAPPING; + smp_mb(); /* advised by wake_up_bit() */ wake_up_bit(&task->jobctl, JOBCTL_TRAPPING_BIT); } } |