linux-kernel - Re: [Bug #39342] [3.0.0-rc6-git7] possible recursive locking atcache_alloc

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Message-ID: <1314003262.24275.2.camel@twins>
Date:	Mon, 22 Aug 2011 10:54:22 +0200
From:	Peter Zijlstra <peterz@...radead.org>
To:	Pekka Enberg <penberg@...nel.org>
Cc:	Tetsuo Handa <penguin-kernel@...ove.sakura.ne.jp>, rjw@...k.pl,
	linux-kernel@...r.kernel.org, kernel-testers@...r.kernel.org,
	maciej.rutecki@...il.com, florian@...kler.org
Subject: Re: [Bug #39342] [3.0.0-rc6-git7] possible recursive locking
 atcache_alloc_refill

On Mon, 2011-08-15 at 08:46 +0300, Pekka Enberg wrote:
> On Mon, Aug 15, 2011 at 1:36 AM, Tetsuo Handa
> <penguin-kernel@...ove.sakura.ne.jp> wrote:
> > Pekka Enberg wrote:
> >> Tetsuio, did Peter's commit 30765b9 ("slab, lockdep: Annotate the locks
> >> before using them") and commit 83835b3 ("slab, lockdep: Annotate slab ->
> >> rcu -> debug_object -> slab") in Linus' git fix this for you?
> >
> > Yes. Applying these two commits fixes this problem.
> >
> > Thank you.
> 
> The commits weren't tagged for -stable, I'm afraid. Peter?

I must have forgotten people were actually triggering this on 3.0. Feel
free to tell gregkh to include those two patches in his next 3.0-stable
lineup.
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