linux-kernel - Re: mq: INFO: possible circular locking dependency detected

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Date:	Wed, 8 Aug 2012 16:50:05 +0800
From:	Fengguang Wu <fengguang.wu@...el.com>
To:	Sasha Levin <levinsasha928@...il.com>
Cc:	Al Viro <viro@...IV.linux.org.uk>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Dave Jones <davej@...hat.com>
Subject: Re: mq: INFO: possible circular locking dependency detected

On Tue, Aug 07, 2012 at 04:54:44PM +0200, Sasha Levin wrote:
> On 08/06/2012 08:34 AM, Al Viro wrote:
> > On Sat, Aug 04, 2012 at 12:59:31PM +0200, Sasha Levin wrote:
> >> Hi all,
> >>
> >> While fuzzing with trinity inside a KVM tools guest, using latest -next kernel, I've stumbled on the dump below.
> >>
> >> I think this is the result of commit 765927b2 ("switch dentry_open() to struct path, make it grab references itself").
> > 
> > 	Not quite, actually - back then the order didn't matter;
> > unfortunately, I'd missed that place when porting Jan's series,
> > which made these ordered.
> > 
> > 	Anyway, see today's vfs.git#for-linus; that should be dealt with
> > there.
> > 
> 
> Yup, that did it.

It works for me, too.

Thanks,
Fengguang
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