linux-kernel - Re: [PATCH] mfd: add workqueue thread into 88pm860x

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Message-ID: <20110313063838.GF31566@core.coreip.homeip.net>
Date:	Sat, 12 Mar 2011 22:38:38 -0800
From:	Dmitry Torokhov <dmitry.torokhov@...il.com>
To:	Haojian Zhuang <haojian.zhuang@...vell.com>
Cc:	johnpol@....mipt.ru, sameo@...ux.intel.com, a.zummo@...ertech.it,
	lrg@...mlogic.co.uk, broonie@...nsource.wolfsonmicro.com,
	rpurdie@...ys.net, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] mfd: add workqueue thread into 88pm860x

On Mon, Mar 07, 2011 at 11:43:13PM +0800, Haojian Zhuang wrote:
> Create workqueue thread in 88pm860x driver since 88pm860x driver
> needs to handle event in workqueue.
> 
> Avoid to use system workqueue since i2c operation cost a lot of
> time. It would impact system performance.

No, not anymore - the concurrency managed workqueues implemented by
Tejun allow scheduling longer-running jobs on the system workqueue
without impacting other users.
 
Thanks.

-- 
Dmitry
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