linux-kernel - Re: [PATCH 4/8] make do_notify_parent() __must

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Date:	Thu, 23 Jun 2011 15:38:08 +0200
From:	Tejun Heo <tj@...nel.org>
To:	Oleg Nesterov <oleg@...hat.com>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, akpm@...ux-foundation.org,
	hch@...radead.org
Subject: Re: [PATCH 4/8] make do_notify_parent() __must_check, update the
 callers

On Wed, Jun 22, 2011 at 11:09:09PM +0200, Oleg Nesterov wrote:
> Change other callers of do_notify_parent() to check the value it
> returns, this makes the subsequent task_detached() unnecessary.
> Mark do_notify_parent() as __must_check.
> 
> Use thread_group_leader() instead of !task_detached() to check
> if we need to notify the real parent in wait_task_zombie().
> 
> Remove the stale comment in release_task(). "just for sanity" is
> no longer true, we have to set EXIT_DEAD to avoid the races with
> do_wait().
> 
> Signed-off-by: Oleg Nesterov <oleg@...hat.com>

Acked-by: Tejun Heo <tj@...nel.org>

Thanks.

-- 
tejun
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