linux-kernel - Re: [BUG] potential deadlock led by cpu

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Message-ID: <513EF6F7.90002@huawei.com>
Date:	Tue, 12 Mar 2013 17:35:51 +0800
From:	Li Zefan <lizefan@...wei.com>
To:	Hillf Danton <dhillf@...il.com>
CC:	LKML <linux-kernel@...r.kernel.org>,
	cgroups <cgroups@...r.kernel.org>, <linux-mm@...ck.org>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	Michal Hocko <mhocko@...e.cz>,
	Johannes Weiner <hannes@...xchg.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Thomas Gleixner <tglx@...utronix.de>
Subject: Re: [BUG] potential deadlock led by cpu_hotplug lock (memcg involved)

On 2013/3/12 16:32, Hillf Danton wrote:
> On Tue, Mar 12, 2013 at 2:36 PM, Li Zefan <lizefan@...wei.com> wrote:
>> Seems a new bug in 3.9 kernel?
>>
> Bogus info, perhaps.
> 

No matter it's a real bug or it's false positive, we need to make
lockdep happy.

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