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SubjectRe: [tip:core/urgent] lockdep: Fix wrong assumption in match_held_lock
On Wed, Aug 10, 2011 at 07:45:50PM +0800, Yong Zhang wrote:
> On Wed, Aug 10, 2011 at 12:01:10PM +0200, Peter Zijlstra wrote:
> > On Wed, 2011-08-10 at 10:58 +0800, Yong Zhang wrote:
> >
> > > > Link: http://lkml.kernel.org/r/1312547787.28695.2.camel@twins
> > >
> > > BTW, I can't open this link.
> >
> > Gah! I did mess that up, but I've no idea how though, I usually
> > copy/paste or let my script do it, in case of copy/paste one would
> > assume I picked the wrong msg, but a grep through my sent folder doesn't
> > find any email with that msgid.. and my script isn't imaginative enough
> > to just make one up like that. Anyway:
> >
> > lkml.kernel.org/r/1312969382.23148.1.camel@twins
> >
> > should be the actual link, however that doesn't appear to work either,
> > included the relevant headers of the actual email:
> >
> > ---
> >
> > Subject: Re: select_task_rq_fair: WARNING: at kernel/lockdep.c match_held_lock
> > From: Peter Zijlstra <a.p.zijlstra@chello.nl>
> > To: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
> > Cc: Ingo Molnar <mingo@elte.hu>, Thomas Gleixner <tglx@linutronix.de>,
> > Andrew Morton <akpm@linux-foundation.org>, linux-kernel@vger.kernel.org,
> > KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>, linux-mm@kvack.org
> > Date: Fri, 05 Aug 2011 14:36:20 +0200
> > In-Reply-To: <20110804155347.GB3562@swordfish.minsk.epam.com>
> > References: <20110804141306.GA3536@swordfish.minsk.epam.com>
> > <1312470358.16729.25.camel@twins>
> > <20110804153752.GA3562@swordfish.minsk.epam.com>
> > <1312472867.16729.38.camel@twins>
> > <20110804155347.GB3562@swordfish.minsk.epam.com>
> >
> > Message-ID: <1312969382.23148.1.camel@twins>
>
> The actual one showed in maillist is like below:

Hmm, you have mentioned it :)

> ---
> Subject: Re: select_task_rq_fair: WARNING: at kernel/lockdep.c
> match_held_lock
> From: Peter Zijlstra <a.p.zijlstra@chello.nl>
> To: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
> Cc: Ingo Molnar <mingo@elte.hu>, Thomas Gleixner <tglx@linutronix.de>,
> Andrew Morton <akpm@linux-foundation.org>,
> linux-kernel@vger.kernel.org,
> KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
> linux-mm@kvack.org
> Date: Fri, 05 Aug 2011 14:36:20 +0200
> In-Reply-To: <20110804155347.GB3562@swordfish.minsk.epam.com>
> References: <20110804141306.GA3536@swordfish.minsk.epam.com>
> <1312470358.16729.25.camel@twins>
> <20110804153752.GA3562@swordfish.minsk.epam.com>
> <1312472867.16729.38.camel@twins>
> <20110804155347.GB3562@swordfish.minsk.epam.com>
> Content-Type: text/plain; charset="UTF-8"
> Content-Transfer-Encoding: 8BIT
> X-Mailer: Evolution 3.0.2-
> Message-ID: <1312547780.28695.1.camel@twins>
> ---
>
> Not sure how the difference happens.
>
> Thanks,
> Yong


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