Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753119Ab1CMGip (ORCPT ); Sun, 13 Mar 2011 01:38:45 -0500 Received: from mail-iy0-f174.google.com ([209.85.210.174]:61148 "EHLO mail-iy0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751182Ab1CMGio (ORCPT ); Sun, 13 Mar 2011 01:38:44 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=date:from:to:cc:subject:message-id:references:mime-version :content-type:content-disposition:in-reply-to:user-agent; b=WqFRQxnnwVU00t/TbujMP3ECmzgmzPvFvv/XtR7m5A9of5oMoQFjMy9bsMitcU4iVO L+/dUhAxk8d70L4CNSAsZp6EYjHlLlHldxVxdO4vTNrjKaLHQcZ3Zt1AHBr7bm4syEzp 0yRWKJ209Fb/8HbhFNeI3b+96z5PtKGa5J3BE= Date: Sat, 12 Mar 2011 22:38:38 -0800 From: Dmitry Torokhov To: Haojian Zhuang Cc: johnpol@2ka.mipt.ru, sameo@linux.intel.com, a.zummo@towertech.it, lrg@slimlogic.co.uk, broonie@opensource.wolfsonmicro.com, rpurdie@rpsys.net, linux-kernel@vger.kernel.org Subject: Re: [PATCH] mfd: add workqueue thread into 88pm860x Message-ID: <20110313063838.GF31566@core.coreip.homeip.net> References: <1299512600-29047-1-git-send-email-haojian.zhuang@marvell.com> <1299512600-29047-2-git-send-email-haojian.zhuang@marvell.com> <1299512600-29047-3-git-send-email-haojian.zhuang@marvell.com> <1299512600-29047-4-git-send-email-haojian.zhuang@marvell.com> <1299512600-29047-5-git-send-email-haojian.zhuang@marvell.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1299512600-29047-5-git-send-email-haojian.zhuang@marvell.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 716 Lines: 20 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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/