Messages in this thread Patch in this message | | | Date | Fri, 30 Nov 2012 14:55:45 -0800 | From | Tejun Heo <> | Subject | Re: High context switch rate, ksoftirqd's chewing cpu |
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Hello, again.
Can you please try this patch? Thanks!
diff --git a/kernel/workqueue.c b/kernel/workqueue.c index 042d221..26368ef 100644 --- a/kernel/workqueue.c +++ b/kernel/workqueue.c @@ -1477,7 +1477,10 @@ bool mod_delayed_work_on(int cpu, struct workqueue_struct *wq, } while (unlikely(ret == -EAGAIN)); if (likely(ret >= 0)) { - __queue_delayed_work(cpu, wq, dwork, delay); + if (!delay) + __queue_work(cpu, wq, &dwork->work); + else + __queue_delayed_work(cpu, wq, dwork, delay); local_irq_restore(flags); }
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