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From: Daniel Lezcano <daniel.lezcano@free.fr>
To: Oleg Nesterov <oleg@redhat.com>
Cc: Alexey Dobriyan <adobriyan@gmail.com>,
	akpm@linux-foundation.org, ebiederm@xmission.com,
	containers@lists.linux-foundation.org,
	linux-kernel@vger.kernel.org, clg@fr.ibm.com
Subject: Re: [PATCH 4/4] pidns: Use task_active_pid_ns where appropriate
Date: Tue, 01 Feb 2011 11:07:02 +0100	[thread overview]
Message-ID: <4D47DB46.70203@free.fr> (raw)
In-Reply-To: <20110131153653.GA32392@redhat.com>

On 01/31/2011 04:36 PM, Oleg Nesterov wrote:
> On 01/31, Daniel Lezcano wrote:
>> On 01/31/2011 12:26 PM, Alexey Dobriyan wrote:
>>> This task_active_pid_ns() is misnamed(?) because it does matter only
>>> for dead tasks?
>> Actually this function is later used, for the unshare, to get the pid_ns
>> of a specific task, not the current one.
> Well, it is already used to get the pid_ns of !current task.
>
>> http://kerneltrap.org/mailarchive/linux-kernel/2010/6/20/4585095
> The actual need for this change is that you are going to complicate
> the things so that current->proxy->pid_ns != task_active_pid_ns().
> This makes me cry ;)

Mmh, ok that makes sense.

> Please don't forget, this patch is buggy, iirc...

Ok, I will resend the cleanup patchset without this patch.

      reply	other threads:[~2011-02-01 10:07 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-01-31 10:25 Prepare for the unshare support of the pid namespace Daniel Lezcano
2011-01-31 10:25 ` [PATCH 1/4] pid: Remove the child_reaper special case in init/main.c Daniel Lezcano
2011-01-31 10:25 ` [PATCH 2/4] pidns: Call pid_ns_prepare_proc from create_pid_namespace Daniel Lezcano
2011-01-31 13:22   ` Oleg Nesterov
2011-01-31 13:33     ` Daniel Lezcano
2011-01-31 14:02       ` Oleg Nesterov
2011-01-31 14:21         ` Daniel Lezcano
2011-01-31 10:25 ` [PATCH 3/4] procfs: kill the global proc_mnt variable Daniel Lezcano
2011-01-31 10:25 ` [PATCH 4/4] pidns: Use task_active_pid_ns where appropriate Daniel Lezcano
2011-01-31 11:26   ` Alexey Dobriyan
2011-01-31 14:47     ` Daniel Lezcano
2011-01-31 15:36       ` Oleg Nesterov
2011-02-01 10:07         ` Daniel Lezcano [this message]

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