linux-kernel - Re: [PATCH] cancel_delayed_work: use del_timer() instead of del_timer

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Message-ID: <23525.1177495443@redhat.com>
Date:	Wed, 25 Apr 2007 11:04:03 +0100
From:	David Howells <dhowells@...hat.com>
To:	Oleg Nesterov <oleg@...sign.ru>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	David Miller <davem@...emloft.net>,
	Ingo Molnar <mingo@...e.hu>, Jarek Poplawski <jarkao2@...pl>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] cancel_delayed_work: use del_timer() instead of del_timer_sync() 

Oleg Nesterov <oleg@...sign.ru> wrote:

> del_timer_sync() buys nothing for cancel_delayed_work(), but it is less
> efficient since it locks the timer unconditionally, and may wait for the
> completion of the delayed_work_timer_fn().

Okay, this patch seems to work for me, though I'm not using any of the other
related patches that are in the -mm tree (I modified this patch to compile
directly on top of Linus's vanilla tree).

Acked-By: David Howells <dhowells@...hat.com>
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