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From: Tejun Heo <tj@kernel.org>
To: Fengguang Wu <fengguang.wu@intel.com>
Cc: Johannes Weiner <hannes@cmpxchg.org>, linux-kernel@vger.kernel.org
Subject: Re: [idr/perf_init_event] BUG: unable to handle kernel NULL pointer dereference at (null)
Date: Fri, 22 Feb 2013 17:35:54 -0800	[thread overview]
Message-ID: <20130223013554.GS3570@htj.dyndns.org> (raw)
In-Reply-To: <20130223013448.GR3570@htj.dyndns.org>

On Fri, Feb 22, 2013 at 05:34:48PM -0800, Tejun Heo wrote:
> Hello,
> 
> On Sat, Feb 23, 2013 at 09:30:11AM +0800, Fengguang Wu wrote:
> > Greetings,
> > 
> > I got the below dmesg and the first bad commit is
> > 
> > commit f5947173c082a04a9804bb42a91a0f5df5ee0527
> > Author: Tejun Heo <tj@kernel.org>
> > Date:   Wed Feb 20 02:05:52 2013 +0000
> > 
> >     idr: implement lookup hint
> 
> Andy Shevchenko already posted fix two days ago.  Let me check whether
> that went in yet.

Yeah, already in -mm.  It's titled "idr: always do slow path when hint
is uninitialized".

Thanks

-- 
tejun

  reply	other threads:[~2013-02-23  1:36 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-02-23  1:30 [idr/perf_init_event] BUG: unable to handle kernel NULL pointer dereference at (null) Fengguang Wu
2013-02-23  1:34 ` Tejun Heo
2013-02-23  1:35   ` Tejun Heo [this message]
2013-02-23  1:41     ` Fengguang Wu

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