2011-02-01 10:07:14

by Daniel Lezcano

[permalink] [raw]
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.