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From: Oleg Nesterov <oleg@redhat.com>
To: Tejun Heo <tj@kernel.org>
Cc: Li Zefan <lizefan@huawei.com>, Dave Jones <davej@redhat.com>,
	Linux Kernel <linux-kernel@vger.kernel.org>,
	Alexander Viro <viro@zeniv.linux.org.uk>,
	cgroups@vger.kernel.org
Subject: Re: [PATCH cgroup/for-3.10] cgroup: make cgroup_mutex outer to threadgroup_lock
Date: Wed, 20 Mar 2013 19:35:23 +0100	[thread overview]
Message-ID: <20130320183523.GA29365@redhat.com> (raw)
In-Reply-To: <20130320150351.GW3042@htj.dyndns.org>

On 03/20, Tejun Heo wrote:
>
> So, let's leave the locking in cgroup alone.  I like
> cgroup_mutex to be the outer one.

OK... but sorry, I am a bit confused.

then we need "do not abuse ->cred_guard_mutex in threadgroup_lock()"
acked by you and Li. Please let me know if I should resend it.

Oleg.


  reply	other threads:[~2013-03-20 18:37 UTC|newest]

Thread overview: 25+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-03-06 22:36 lockdep trace from prepare_bprm_creds Dave Jones
2013-03-07 17:25 ` Oleg Nesterov
2013-03-07 18:01   ` Tejun Heo
2013-03-07 18:03     ` Tejun Heo
2013-03-07 19:12       ` Oleg Nesterov
2013-03-07 19:38         ` Tejun Heo
2013-03-09  2:11           ` Li Zefan
2013-03-09  3:29             ` Tejun Heo
2013-03-09  7:47               ` Li Zefan
2013-03-09 20:00                 ` [PATCH 0/1] do not abuse ->cred_guard_mutex in threadgroup_lock() Oleg Nesterov
2013-03-09 20:01                   ` [PATCH 1/1] " Oleg Nesterov
2013-03-09 20:15                     ` Tejun Heo
2013-03-11  1:50                     ` Li Zefan
2013-03-21 16:21                   ` [PATCH] " Oleg Nesterov
2013-03-21 22:06                     ` Andrew Morton
2013-03-22 13:20                       ` Oleg Nesterov
2013-03-19 22:02                 ` [PATCH cgroup/for-3.10] cgroup: make cgroup_mutex outer to threadgroup_lock Tejun Heo
2013-03-20  0:58                   ` Li Zefan
2013-03-20 15:03                     ` Tejun Heo
2013-03-20 18:35                       ` Oleg Nesterov [this message]
2013-03-20 18:42                         ` Tejun Heo
2013-03-21 16:17                           ` Oleg Nesterov
2013-03-07 18:21     ` lockdep trace from prepare_bprm_creds Tejun Heo
2013-03-07 18:32       ` Oleg Nesterov
2013-03-07 19:33         ` Tejun Heo

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