diff options
Diffstat (limited to 'kernel/workqueue.c')
| -rw-r--r-- | kernel/workqueue.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/kernel/workqueue.c b/kernel/workqueue.c index c29f2dc0f4fc..99ee9b939264 100644 --- a/kernel/workqueue.c +++ b/kernel/workqueue.c @@ -1356,9 +1356,15 @@ static void __queue_delayed_work(int cpu, struct workqueue_struct *wq, if (!(wq->flags & WQ_UNBOUND)) { struct global_cwq *gcwq = get_work_gcwq(work); - if (gcwq && gcwq->cpu != WORK_CPU_UNBOUND) + /* + * If we cannot get the last gcwq from @work directly, + * select the last CPU such that it avoids unnecessarily + * triggering non-reentrancy check in __queue_work(). + */ + lcpu = cpu; + if (gcwq) lcpu = gcwq->cpu; - else + if (lcpu == WORK_CPU_UNBOUND) lcpu = raw_smp_processor_id(); } else { lcpu = WORK_CPU_UNBOUND; |