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Message-ID: <49267AFD.8050707@cn.fujitsu.com>
Date: Fri, 21 Nov 2008 17:10:21 +0800
From: Lai Jiangshan <laijs@...fujitsu.com>
To: Andrew Morton <akpm@...ux-foundation.org>
CC: Paul Menage <menage@...gle.com>,
Linux Containers <containers@...ts.linux-foundation.org>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
Serge Hallyn <serue@...ibm.com>
Subject: Re: [PATCHSET] fix CGROUP VS RCU
Andrew Morton wrote:
> On Fri, 21 Nov 2008 16:49:13 +0800 Lai Jiangshan <laijs@...fujitsu.com> wrote:
>
>> current some cgroup struct are protected by RCU.
>>
>> struct protected by RCU:
>> struct css_set, struct cgroup_subsys_state, struct cgroup
>>
>> pointer protected by RCU:
>> struct task_struct.cgroups, struct css_set.subsys[*],
>> struct cgroup_subsys_state.cgroup
>> the last two pointers are readonly pointer!
>>
>> these patches are fix these structs, and pointers. And a faker:
>> struct cgroup_subsys.root
>>
>> Not cleanup all yet.
>>
>
> These patches aren't sequence numbered. In what order should they be
> applied?
>
>
>
>
No order number, they are dependent(except 2 patches which have order number).
Lai.
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