On Fri, 30 Nov 2012, Tejun Heo wrote:
> Hey, again.
>
> Can you please test whether the following patch makes any difference?
>
> 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);
> }
>
Yes. I tested that both directly on top of the bad commit, and on
v3.7-rc7, and it fixes the bug in both cases.
Thanks,
Anders
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