Messages in this thread | | | Date | Tue, 3 Mar 2015 08:52:04 +0100 | From | Jesper Nilsson <> | Subject | Re: [PATCH for-3.20-fixes] workqueue: fix hang involving racing cancel[_delayed]_work_sync()'s for PREEMPT_NONE |
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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
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