linux-kernel - Re: [PATCH 4/4] pidns: Use task_active_pid

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Date:	Tue, 01 Feb 2011 11:07:02 +0100
From:	Daniel Lezcano <daniel.lezcano@...e.fr>
To:	Oleg Nesterov <oleg@...hat.com>
CC:	Alexey Dobriyan <adobriyan@...il.com>, akpm@...ux-foundation.org,
	ebiederm@...ssion.com, containers@...ts.linux-foundation.org,
	linux-kernel@...r.kernel.org, clg@...ibm.com
Subject: Re: [PATCH 4/4] pidns: Use task_active_pid_ns where appropriate

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.
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