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Date: Fri, 21 Nov 2008 17:14:24 +0800
From: Lai Jiangshan <laijs@cn.fujitsu.com>
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To: Lai Jiangshan <laijs@cn.fujitsu.com>
CC: Andrew Morton <akpm@linux-foundation.org>, Paul Menage <menage@google.com>,
       Linux Containers <containers@lists.linux-foundation.org>,
       Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
       KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
       Serge Hallyn <serue@us.ibm.com>
Subject: Re: [PATCHSET] fix CGROUP VS RCU
References: <49267609.8050600@cn.fujitsu.com> <20081121010637.0f71ffff.akpm@linux-foundation.org> <49267AFD.8050707@cn.fujitsu.com>
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Lai Jiangshan wrote:
> Andrew Morton wrote:
>> On Fri, 21 Nov 2008 16:49:13 +0800 Lai Jiangshan <laijs@cn.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).

                            dependent --> independent

> 
> Lai.
> 
>