linux-kernel - Re: [PATCH -mm 1/2] rename is_single_threaded(task) to is_current_single

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Message-ID: <alpine.LRH.2.00.0907100904240.8531@tundra.namei.org>
Date:	Fri, 10 Jul 2009 09:04:47 +1000 (EST)
From:	James Morris <jmorris@...ei.org>
To:	Oleg Nesterov <oleg@...hat.com>
cc:	Andrew Morton <akpm@...ux-foundation.org>,
	David Howells <dhowells@...hat.com>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Roland McGrath <roland@...hat.com>,
	Stephen Smalley <sds@...ho.nsa.gov>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH -mm 1/2] rename is_single_threaded(task) to
 is_current_single_threaded(void)

On Thu, 9 Jul 2009, Oleg Nesterov wrote:

> (on top of rework-fix-is_single_threaded.patch)
> 
> - is_single_threaded(task) is not safe unless task == current,
>   we can't use task->signal or task->mm.
> 
> - it doesn't make sense unless task == current, the task can
>   fork right after the check.
> 
> Rename it to is_current_single_threaded() and kill the argument.
> 
> Signed-off-by: Oleg Nesterov <oleg@...hat.com>

Acked-by: James Morris <jmorris@...ei.org>

-- 
James Morris
<jmorris@...ei.org>
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