Re: [PATCH for-3.20-fixes] workqueue: fix hang involving racing cancel[_delayed]_work_sync()'s for PREEMPT_NONE

From: Jesper Nilsson
Date: Tue Feb 10 2015 - 03:35:35 EST


On Mon, Feb 09, 2015 at 05:29:55PM +0100, Jesper Nilsson wrote:
> On Mon, Feb 09, 2015 at 05:15:27PM +0100, Tejun Heo wrote:
> > Hello,
>
> Hi,
>
> > Can you please verify that the following patch fixes the issue?
>
> Rabin will have to report if it fixes it for his synthetic case,
> but I'll try it in my "real-world" jffs2 sync problem, and report
> after a couple of hours.

I let the test run for the night, and got no failures.
Before I got at most an hour of tests before lockup.

Tested-by: Jesper Nilsson <jesper.nilsson@xxxxxxxx>

/^JN - Jesper Nilsson
--
Jesper Nilsson -- jesper.nilsson@xxxxxxxx
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