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 4:50 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-01-06 23:05 [RFC][PATCH] IP address restricting cgroup subsystem Grzegorz Nosek
[not found] ` <20090106230554.GB25228-IaEwMO9oKu/77SC2UrCW1JJg/dWx8T/9@public.gmane.org>
2009-01-07 6:01 ` 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
2009-01-07 18:07 ` Serge E. Hallyn
[not found] ` <20090107180752.GA19153-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2009-01-07 19:15 ` Grzegorz Nosek
[not found] ` <20090107191536.GA15159-yp6mvK3Bdd2rDJvtcaxF/A@public.gmane.org>
2009-01-07 19:32 ` Serge E. Hallyn
[not found] ` <20090107193234.GA22625-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2009-01-08 12:43 ` Benny Amorsen
[not found] ` <20090109144122.GA9685@megiteam.pl>
[not found] ` <20090109162247.GA7925@us.ibm.com>
[not found] ` <20090109162247.GA7925-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2009-01-09 16:57 ` Grzegorz Nosek
2009-01-09 16:54 ` Dan Smith
[not found] ` <87priwifnu.fsf-FLMGYpZoEPULwtHQx/6qkW3U47Q5hpJU@public.gmane.org>
2009-01-09 17:43 ` Guenter Roeck
[not found] ` <20090109174334.GA4526-gvzKVTG1yJJBDgjK7y7TUQ@public.gmane.org>
2009-01-09 18:12 ` Dan Smith
[not found] ` <87ljtkic1j.fsf-FLMGYpZoEPULwtHQx/6qkW3U47Q5hpJU@public.gmane.org>
2009-01-09 22:37 ` Guenter Roeck
[not found] ` <20090109223756.GA22738-gvzKVTG1yJJBDgjK7y7TUQ@public.gmane.org>
2009-01-09 22:47 ` Serge E. Hallyn
[not found] ` <20090109224742.GA15227-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2009-01-09 23:37 ` Guenter Roeck
2009-01-09 18:30 ` Serge E. Hallyn
[not found] ` <20090109183046.GA14063-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
2009-01-13 16:23 ` Dan Smith
2009-01-09 21:58 ` [Devel] " Paul Menage
[not found] ` <6599ad830901091358m11effdbegeff6cbb7ee28e262-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2009-01-10 11:20 ` Grzegorz Nosek
[not found] ` <20090110112009.GA12336-yp6mvK3Bdd2rDJvtcaxF/A@public.gmane.org>
2009-01-10 16:21 ` Paul Menage
[not found] ` <6599ad830901100821q2c943d38i314c00f7db51b4f0-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2009-01-11 0:25 ` Benny Amorsen
2009-01-11 10:19 ` Grzegorz Nosek
[not found] ` <20090111101946.GA14325-yp6mvK3Bdd2rDJvtcaxF/A@public.gmane.org>
2009-01-14 2:21 ` Paul Menage
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