[PATCH 4/4] pidns: Use task_active_pid_ns where appropriate

Oleg Nesterov oleg at redhat.com
Mon Jan 31 07:36:53 PST 2011


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 ;)

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

Oleg.



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