From: Li Zefan <lizf@cn•fujitsu.com>
To: Paul Menage <menage@google•com>
Cc: Grzegorz Nosek <root@localdomain•pl>,
containers@lists•osdl.org, netdev@vger•kernel.org
Subject: Re: [Devel] Re: [RFC][PATCH] IP address restricting cgroup subsystem
Date: Sat, 10 Jan 2009 12:50:41 +0800 [thread overview]
Message-ID: <49682921.4020100@cn.fujitsu.com> (raw)
In-Reply-To: <6599ad830901091338t38f5d5bav6adcd55ea188e28d@mail.gmail.com>
Paul Menage wrote:
> On Wed, Jan 7, 2009 at 1:33 AM, Li Zefan <lizf@cn•fujitsu.com> wrote:
>>> Yes, I like that. Will update the patch. I assume that I must check
>>> list_empty(&cgroup->children)?
>> Yes.
>>
>>> Should I use cgroup_lock()/cgroup_unlock()
>> Yes.
>
> For checking the "children" list, you can just lock
> ipaddr_subsys.hierarchy_mutex.
>
Unfortunately hierarchy_mutex can't be used here, since hierarchy_mutex
doesn't protect subsys's create() method, and the create() will access
parent cgroup's data.
next prev parent reply other threads:[~2009-01-10 4:51 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20090106230554.GB25228@eskarina.localdomain.pl>
[not found] ` <20090106230554.GB25228-IaEwMO9oKu/77SC2UrCW1JJg/dWx8T/9@public.gmane.org>
2009-01-07 6:01 ` [RFC][PATCH] IP address restricting cgroup subsystem Li Zefan
[not found] ` <49644526.8030205-BthXqXjhjHXQFUHtdCDX3A@public.gmane.org>
2009-01-07 7:38 ` Grzegorz Nosek
2009-01-07 8:36 ` Li Zefan
2009-01-07 9:16 ` Grzegorz Nosek
2009-01-07 9:33 ` Li Zefan
2009-01-07 9:37 ` Grzegorz Nosek
2009-01-09 21:38 ` [Devel] " Paul Menage
2009-01-10 4:50 ` Li Zefan [this message]
2009-01-10 16:14 ` Paul Menage
2009-01-12 2:20 ` Li Zefan
2009-01-14 2:07 ` Paul Menage
2009-01-14 2:47 ` Li Zefan
2009-01-14 2:50 ` Paul Menage
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