All of lore.kernel.org
 help / color / mirror / Atom feed
From: Tejun Heo <tj@kernel.org>
To: Jesper Nilsson <jesper.nilsson@axis.com>
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 11:21:44 -0500	[thread overview]
Message-ID: <20150302162144.GF17694@htj.duckdns.org> (raw)
In-Reply-To: <20150302122615.GE11399@axis.com>

On Mon, Mar 02, 2015 at 01:26:15PM +0100, Jesper Nilsson wrote:
> 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?

Sorry about the delay.  Applied to wq/for-4.0-fixes.  Will push out in
a week or so.

Thanks.

-- 
tejun

  reply	other threads:[~2015-03-02 16:21 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
2015-03-02 16:21     ` Tejun Heo [this message]
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

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20150302162144.GF17694@htj.duckdns.org \
    --to=tj@kernel.org \
    --cc=jesper.nilsson@axis.com \
    --cc=jespern@axis.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=rabinv@axis.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.