linux-kernel - Re: [for-next][PATCH 14/14] tracing: Get trace_array ref counts when accessing trace files

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Date:	Sat, 05 Apr 2014 16:03:13 -0400
From:	Sasha Levin <sasha.levin@...cle.com>
To:	Steven Rostedt <rostedt@...dmis.org>
CC:	linux-kernel@...r.kernel.org,
	Andrew Morton <akpm@...ux-foundation.org>,
	Alexander Lam <azl@...gle.com>
Subject: Re: [for-next][PATCH 14/14] tracing: Get trace_array ref counts when
 accessing trace files

On 04/05/2014 02:33 PM, Steven Rostedt wrote:
> On Sat, 05 Apr 2014 10:59:10 -0400
> Sasha Levin <sasha.levin@...cle.com> wrote:
> 
>> On 07/02/2013 04:22 PM, Steven Rostedt wrote:
>>> From: "Steven Rostedt (Red Hat)" <rostedt@...dmis.org>
>>>
>>> When a trace file is opened that may access a trace array, it must
>>> increment its ref count to prevent it from being deleted.
>>>
>>> Cc: stable@...r.kernel.org # 3.10
>>> Reported-by: Alexander Lam <azl@...gle.com>
>>> Signed-off-by: Steven Rostedt <rostedt@...dmis.org>
>>
>> Hi Steven,
>>
>> This patch seems to cause the following lockdep warning:
>>
> 
> Thanks for the update. I run all my tests with lockdep enabled. I'm
> wondering if your config enable a lock that I don't have in my configs.
> Could you send me your .config please.

Attached.


Thanks,
Sasha


Download attachment "config-sasha.gz" of type "application/gzip" (39819 bytes)