On Wed, May 10, 2023 at 06:04:26PM +0200, Johannes Berg wrote:
> @@ -2387,7 +2389,13 @@ __acquires(&pool->lock)
> */
> lockdep_invariant_state(true);
> trace_workqueue_execute_start(work);
> - worker->current_func(work);
> + if (unlikely(pwq->wq->work_mutex)) {
> + mutex_lock(pwq->wq->work_mutex);
> + worker->current_func(work);
> + mutex_unlock(pwq->wq->work_mutex);
> + } else {
> + worker->current_func(work);
> + }
Ah, I don't know about this. This can't be that difficult to do from the
callee side, right?
Thanks.
--
tejun
