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Commit 8616a89a authored by Oleg Nesterov's avatar Oleg Nesterov Committed by Linus Torvalds
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workqueues: schedule_on_each_cpu: use flush_work() 



Change schedule_on_each_cpu() to use flush_work() instead of
flush_workqueue(), this way we don't wait for other work_struct's which
can be queued meanwhile.

Signed-off-by: default avatarOleg Nesterov <oleg@tv-sign.ru>
Cc: Jarek Poplawski <jarkao2@gmail.com>
Cc: Max Krasnyansky <maxk@qualcomm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent db700897

kernel/workqueue.c

+2 −1
Original line number Diff line number Diff line
@@ -690,7 +690,8 @@ int schedule_on_each_cpu(work_func_t func) 
		set_bit(WORK_STRUCT_PENDING, work_data_bits(work));

		__queue_work(per_cpu_ptr(keventd_wq->cpu_wq, cpu), work);

	}

	flush_workqueue(keventd_wq);

	for_each_online_cpu(cpu)

		flush_work(per_cpu_ptr(works, cpu));

	put_online_cpus();

	free_percpu(works);

	return 0;