From: Oleg Nesterov <oleg@tv-sign.ru> Date: Fri, 25 Jul 2008 08:47:49 +0000 (-0700) Subject: workqueues: schedule_on_each_cpu: use flush_work() X-Git-Tag: firefly_0821_release~18927 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=8616a89ab761239c963eea3a63be383f127cc7e8;p=firefly-linux-kernel-4.4.55.git 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: Oleg 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: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> --- diff --git a/kernel/workqueue.c b/kernel/workqueue.c index ee41cf857d55..5fbffd302eb5 100644 --- a/kernel/workqueue.c +++ b/kernel/workqueue.c @@ -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;