Commit 8eb17dc1 authored by Waiman Long's avatar Waiman Long Committed by Tejun Heo
Browse files

workqueue: Skip __WQ_DESTROYING workqueues when updating global unbound cpumask 



Skip updating workqueues with __WQ_DESTROYING bit set when updating
global unbound cpumask to avoid unnecessary work and other complications.

Signed-off-by: default avatarWaiman Long <longman@redhat.com>
Signed-off-by: default avatarTejun Heo <tj@kernel.org>
parent 96068b60

kernel/workqueue.c

+1 −1
Original line number Diff line number Diff line
@@ -6501,7 +6501,7 @@ static int workqueue_apply_unbound_cpumask(const cpumask_var_t unbound_cpumask) 
	lockdep_assert_held(&wq_pool_mutex);



	list_for_each_entry(wq, &workqueues, list) {

		if (!(wq->flags & WQ_UNBOUND))

		if (!(wq->flags & WQ_UNBOUND) || (wq->flags & __WQ_DESTROYING))

			continue;



		/* creating multiple pwqs breaks ordering guarantee */