From: Jesper Nilsson <jesper.nilsson@axis.com>
To: Tejun Heo <tj@kernel.org>
Cc: Rabin Vincent <rabinv@axis.com>,
Jesper Nilsson <jespern@axis.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH for-3.20-fixes] workqueue: fix hang involving racing cancel[_delayed]_work_sync()'s for PREEMPT_NONE
Date: Mon, 2 Mar 2015 13:26:15 +0100 [thread overview]
Message-ID: <20150302122615.GE11399@axis.com> (raw)
In-Reply-To: <20150209161527.GH3220@htj.duckdns.org>
On Mon, Feb 09, 2015 at 05:15:27PM +0100, Tejun Heo wrote:
> Hello,
Hi!
> This patch removes the possible hang by updating __cancel_work_timer()
> to explicitly wait for clearing of CANCELING rather than invoking
> flush_work() after try_to_grab_pending() fails with -ENOENT. The
> explicit wait uses the matching bit waitqueue for the CANCELING bit.
>
> Link: http://lkml.kernel.org/g/20150206171156.GA8942@axis.com
>
> Signed-off-by: Tejun Heo <tj@kernel.org>
> Reported-by: Rabin Vincent <rabin.vincent@axis.com>
> Cc: stable@vger.kernel.org
What's the status on this patch, it's not in 4.0-rc1 at least?
Is it queued for the 3.18 stable branch?
Best regards,
/^JN - Jesper Nilsson
--
Jesper Nilsson -- jesper.nilsson@axis.com
next prev parent reply other threads:[~2015-03-02 12:26 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-02-06 17:11 Soft lockups in __cancel_work_timer() Rabin Vincent
2015-02-06 18:01 ` Tejun Heo
2015-02-09 16:15 ` [PATCH for-3.20-fixes] workqueue: fix hang involving racing cancel[_delayed]_work_sync()'s for PREEMPT_NONE Tejun Heo
2015-02-09 16:29 ` Jesper Nilsson
2015-02-10 8:35 ` Jesper Nilsson
2015-02-10 9:33 ` Rabin Vincent
2015-03-02 12:26 ` Jesper Nilsson [this message]
2015-03-02 16:21 ` Tejun Heo
2015-03-03 7:52 ` Jesper Nilsson
2015-03-03 10:00 ` Tomeu Vizoso
2015-03-03 13:21 ` Tejun Heo
2015-03-03 13:45 ` [PATCH wq/for-4.0-fixes v2] " Tejun Heo
2015-03-03 13:57 ` Tomeu Vizoso
2015-03-05 9:24 ` Tomeu Vizoso
2015-03-05 9:36 ` Tejun Heo
2015-03-05 11:46 ` Tejun Heo
2015-03-05 13:03 ` [PATCH v3 wq/for-4.0-fixes] " Tejun Heo
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