lkml.org 
[lkml]   [2015]   [Mar]   [3]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH for-3.20-fixes] workqueue: fix hang involving racing cancel[_delayed]_work_sync()'s for PREEMPT_NONE
On Mon, Mar 02, 2015 at 11:21:44AM -0500, Tejun Heo wrote:
> 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, that works great. Just wanted to know. :-)

> Thanks.
>
> --
> tejun

/^JN - Jesper Nilsson
--
Jesper Nilsson -- jesper.nilsson@axis.com


\
 
 \ /
  Last update: 2015-03-03 09:21    [W:1.116 / U:0.004 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site