1 files changed, 2 insertions, 0 deletions

diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index 70f95ab28f3d..5c26d36146b7 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -1997,7 +1997,9 @@ __acquires(&gcwq->lock)
 
         spin_unlock_irq(&gcwq->lock);
 
+        smp_wmb();      /* paired with test_and_set_bit(PENDING) */
         work_clear_pending(work);
+
         lock_map_acquire_read(&cwq->wq->lockdep_map);
         lock_map_acquire(&lockdep_map);
         trace_workqueue_execute_start(work);