linux-kernel - Re: [PATCH] cgroup: fix invalid cgrp->dentry before cgroup has been completely removed

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Message-ID: <490965B0.8090707@cn.fujitsu.com>
Date:	Thu, 30 Oct 2008 15:43:44 +0800
From:	Li Zefan <lizf@...fujitsu.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
CC:	Paul Menage <menage@...gle.com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Ingo Molnar <mingo@...e.hu>,
	LKML <linux-kernel@...r.kernel.org>,
	Linux Containers <containers@...ts.linux-foundation.org>
Subject: Re: [PATCH] cgroup: fix invalid cgrp->dentry before cgroup has been
 completely removed

Andrew Morton wrote:
> On Thu, 30 Oct 2008 15:23:27 +0800 Li Zefan <lizf@...fujitsu.com> wrote:
> 
>> This fixes oops when reading /proc/sched_debug.
> 
> In which kernel versions?  The patch applies to 2.6.27 - should it be
> aplied to 2.6.27.x?  Earlier?
> 

I think the bug exists both in 2.6.26 and 2.6.27, but I don't know if we should
apply the patch to these 2 versions. sched_debug is a debug feature.


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