Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1422882AbWBATQ7 (ORCPT ); Wed, 1 Feb 2006 14:16:59 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1422884AbWBATQ7 (ORCPT ); Wed, 1 Feb 2006 14:16:59 -0500 Received: from fmr23.intel.com ([143.183.121.15]:3781 "EHLO scsfmr003.sc.intel.com") by vger.kernel.org with ESMTP id S1422882AbWBATQ6 (ORCPT ); Wed, 1 Feb 2006 14:16:58 -0500 Date: Wed, 1 Feb 2006 11:15:54 -0800 From: Ashok Raj To: Alan Cox Cc: Dave Jones , Matthew Garrett , Andrew Morton , Ashok Raj , linux-kernel , Chuck Ebbert <76306.1226@compuserve.com> Subject: Re: [patch -mm4] i386: __init should be __cpuinit Message-ID: <20060201111554.A21287@unix-os.sc.intel.com> References: <200601312352_MC3-1-B748-FCE9@compuserve.com> <200601312352_MC3-1-B748-FCE9@compuserve.com> <20060201053357.GA5335@redhat.com> <20060201160324.GA5875@redhat.com> <1138820183.3943.11.camel@localhost.localdomain> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5.1i In-Reply-To: <1138820183.3943.11.camel@localhost.localdomain>; from alan@lxorguk.ukuu.org.uk on Wed, Feb 01, 2006 at 06:56:22PM +0000 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1394 Lines: 33 On Wed, Feb 01, 2006 at 06:56:22PM +0000, Alan Cox wrote: > On Mer, 2006-02-01 at 11:03 -0500, Dave Jones wrote: > > > For SMP systems, suspend/resume "unplugs" all non-boot CPUs before > > > executing the suspend code. I don't recall any SMP cyrix systems, but > > > it's potentially something to consider. > > > > There weren't any. Until AMD's Athlon MPs, Intel had the only > > SMP x86 afair. > > Several vendors demonstrated OpenMP designs including Cyrix. Nothing > production and nothing we support. In order to support logical cpu hotplug, you dont need any special hw, as long as you has some SMP box. Sometimes its just a little bit more than moving __init to __cpuinit. A lot of these references were not changed just speculatively to ensure when the need is there, someone will change and test those as well. Chuck, would it be possible for you also test cpu hotplug for the ones you are interested in and accompany the related changes if there are more as separate patches? (Documentation now has a howto on cpu hotplug) That would make it more useful for this exersise. -- Cheers, Ashok Raj - Open Source Technology Center - 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/