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Commit 0fcdcfbb authored by Linus Torvalds's avatar Linus Torvalds
Browse files

Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq 

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq:
  workqueue: It is likely that WORKER_NOT_RUNNING is true
  MAINTAINERS: Add workqueue entry
  workqueue: check the allocation of system_unbound_wq
parents 6d5e93c2 2d64672e

MAINTAINERS

+9 −0
Original line number Diff line number Diff line
@@ -6583,6 +6583,15 @@ F: include/linux/mfd/wm8400* 
F:	include/sound/wm????.h

F:	sound/soc/codecs/wm*



WORKQUEUE

M:	Tejun Heo <tj@kernel.org>

L:	linux-kernel@vger.kernel.org

T:	git git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq.git

S:	Maintained

F:	include/linux/workqueue.h

F:	kernel/workqueue.c

F:	Documentation/workqueue.txt



X.25 NETWORK LAYER

M:	Andrew Hendry <andrew.hendry@gmail.com>

L:	linux-x25@vger.kernel.org

kernel/workqueue.c

+4 −3
Original line number Diff line number Diff line
@@ -661,7 +661,7 @@ void wq_worker_waking_up(struct task_struct *task, unsigned int cpu) 
{

	struct worker *worker = kthread_data(task);



	if (likely(!(worker->flags & WORKER_NOT_RUNNING)))

	if (!(worker->flags & WORKER_NOT_RUNNING))

		atomic_inc(get_gcwq_nr_running(cpu));

}
@@ -687,7 +687,7 @@ struct task_struct *wq_worker_sleeping(struct task_struct *task, 
	struct global_cwq *gcwq = get_gcwq(cpu);

	atomic_t *nr_running = get_gcwq_nr_running(cpu);



	if (unlikely(worker->flags & WORKER_NOT_RUNNING))

	if (worker->flags & WORKER_NOT_RUNNING)

		return NULL;



	/* this can only happen on the local cpu */
@@ -3692,7 +3692,8 @@ static int __init init_workqueues(void) 
	system_nrt_wq = alloc_workqueue("events_nrt", WQ_NON_REENTRANT, 0);

	system_unbound_wq = alloc_workqueue("events_unbound", WQ_UNBOUND,

					    WQ_UNBOUND_MAX_ACTIVE);

	BUG_ON(!system_wq || !system_long_wq || !system_nrt_wq);

	BUG_ON(!system_wq || !system_long_wq || !system_nrt_wq ||

	       !system_unbound_wq);

	return 0;

}

early_initcall(init_workqueues);