linux-kernel - Re: [PATCH wq#for-next] workqueue: Clarify that schedule_on_each

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Message-ID: <20101020005400.GB5343@localhost>
Date:	Wed, 20 Oct 2010 08:54:00 +0800
From:	Wu Fengguang <fengguang.wu@...el.com>
To:	Tejun Heo <tj@...nel.org>
Cc:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	Mel Gorman <mel@....ul.ie>,
	lkml <linux-kernel@...r.kernel.org>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Michal Hocko <mhocko@...e.cz>
Subject: Re: [PATCH wq#for-next] workqueue: Clarify that
 schedule_on_each_cpu is synchronous

On Tue, Oct 19, 2010 at 05:18:46PM +0800, Tejun Heo wrote:
> The documentation for schedule_on_each_cpu() states that it calls a
> function on each online CPU from keventd.  This can easily be
> interpreted as an asyncronous call because the description does not
> mention that flush_work is called.  Clarify that it is synchronous.
> 
> tj: rephrased a bit
> 
> Signed-off-by: Mel Gorman <mel@....ul.ie>
> Reviewed-by: KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
> Signed-off-by: Tejun Heo <tj@...nel.org>

Nice comment!

Reviewed-by: Wu Fengguang <fengguang.wu@...el.com>
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