diff mbox series

[wq/for-6.9,v4,1/4] workqueue: Link pwq's into wq->pwqs from oldest to newest

Message ID 20240207011911.975608-2-longman@redhat.com
State New
Headers
Series workqueue: Enable unbound cpumask update on ordered workqueues |

Commit Message

Waiman Long Feb. 7, 2024, 1:19 a.m. UTC 
  Add a new pwq into the tail of wq->pwqs so that pwq iteration will
start from the oldest pwq to the newest. This ordering will facilitate
the inclusion of ordered workqueues in a wq_unbound_cpumask update.

Signed-off-by: Waiman Long <longman@redhat.com>
---
 kernel/workqueue.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index cf514ba0dfc3..fa7bd3b34f52 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -4804,7 +4804,7 @@  static void link_pwq(struct pool_workqueue *pwq)
 	pwq->work_color = wq->work_color;
 
 	/* link in @pwq */
-	list_add_rcu(&pwq->pwqs_node, &wq->pwqs);
+	list_add_tail_rcu(&pwq->pwqs_node, &wq->pwqs);
 }
 
 /* obtain a pool matching @attr and create a pwq associating the pool and @wq */