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workqueue: An update for v6.14-rc4 

This contains a patch improve debug visibility. While it isn't a fix, the
 change carries virtually no risk and makes it substantially easier to chase
 down a class of problems.
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Merge tag 'wq-for-6.14-rc4-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq

Pull workqueue update from Tejun Heo:
 "This contains a patch improve debug visibility.

  While it isn't a fix, the change carries virtually no risk and makes
  it substantially easier to chase down a class of problems"

* tag 'wq-for-6.14-rc4-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq:
  workqueue: Log additional details when rejecting work
This commit is contained in:
Linus Torvalds 2025-02-26 14:22:47 -08:00
parent e6d3c4e535 8221fd1a73
commit f4ce1f3318
1 changed files with 3 additions and 1 deletions
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4
kernel/workqueue.c
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@ -2254,8 +2254,10 @@ static void __queue_work(int cpu, struct workqueue_struct *wq,
* queues a new work item to a wq after destroy_workqueue(wq).
*/
if (unlikely(wq->flags & (__WQ_DESTROYING | __WQ_DRAINING) &&
WARN_ON_ONCE(!is_chained_work(wq))))
WARN_ONCE(!is_chained_work(wq), "workqueue: cannot queue %ps on wq %s\n",
work->func, wq->name))) {
return;
}
rcu_read_lock();
retry:
/* pwq which will be used unless @work is executing elsewhere */