---

yaml
---
r: 365531
b: refs/heads/master
c: 8810945
h: refs/heads/master
i:
  365529: efdca87
  365527: 96dfe00
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 951a078a5285ad31bc22e190616ad54b78fac992
+refs/heads/master: 881094532e2a27406a5f06f839087bd152a8a494

trunk/kernel/workqueue.c

@@ -3962,15 +3962,15 @@ bool workqueue_congested(int cpu, struct workqueue_struct *wq)
 	struct pool_workqueue *pwq;
 	bool ret;
 
-	preempt_disable();
+	rcu_read_lock_sched();
 
 	if (!(wq->flags & WQ_UNBOUND))
 		pwq = per_cpu_ptr(wq->cpu_pwqs, cpu);
 	else
 		pwq = first_pwq(wq);
 
 	ret = !list_empty(&pwq->delayed_works);
-	preempt_enable();
+	rcu_read_unlock_sched();
 
 	return ret;
 }
@@ -4354,16 +4354,16 @@ bool freeze_workqueues_busy(void)
 		 * nr_active is monotonically decreasing.  It's safe
 		 * to peek without lock.
 		 */
-		preempt_disable();
+		rcu_read_lock_sched();
 		for_each_pwq(pwq, wq) {
 			WARN_ON_ONCE(pwq->nr_active < 0);
 			if (pwq->nr_active) {
 				busy = true;
-				preempt_enable();
+				rcu_read_unlock_sched();
 				goto out_unlock;
 			}
 		}
-		preempt_enable();
+		rcu_read_unlock_sched();
 	}
 out_unlock:
 	mutex_unlock(&wq_mutex);