Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261223AbVDDLop (ORCPT ); Mon, 4 Apr 2005 07:44:45 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261224AbVDDLop (ORCPT ); Mon, 4 Apr 2005 07:44:45 -0400 Received: from 206.175.9.210.velocitynet.com.au ([210.9.175.206]:53733 "EHLO cunningham.myip.net.au") by vger.kernel.org with ESMTP id S261223AbVDDLon (ORCPT ); Mon, 4 Apr 2005 07:44:43 -0400 Subject: Re: [ACPI] Re: [RFC 0/6] S3 SMP support with physcial CPU hotplug From: Nigel Cunningham Reply-To: ncunningham@cyclades.com To: Pavel Machek Cc: David Shaohua , Linux Kernel Mailing List , ACPI List , zwane@linuxpower.ca, len.brown@intel.com In-Reply-To: <20050404113129.GA7120@atrey.karlin.mff.cuni.cz> References: <1112580342.4194.329.camel@sli10-desk.sh.intel.com> <20050403193750.40cdabb2.akpm@osdl.org> <1112608444.3757.17.camel@desktop.cunningham.myip.net.au> <20050404113129.GA7120@atrey.karlin.mff.cuni.cz> Content-Type: text/plain Message-Id: <1112615184.3757.21.camel@desktop.cunningham.myip.net.au> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.6-1mdk Date: Mon, 04 Apr 2005 21:46:24 +1000 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1352 Lines: 40 Hi again. On Mon, 2005-04-04 at 21:31, Pavel Machek wrote: > Hi! > > > > > The patches are against 2.6.11-rc1 with Zwane's CPU hotplug patch in -mm > > > > tree. > > > > > > Should I merge that thing into mainline? It seems that a few people are > > > needing it. > > > > Perhaps we should address the MTRR issue first. > > > > I've had code in Suspend2 for quite a while (6 months+) that removes the > > sysdev support for MTRRs and saves and restores them with CPU context, > > thereby avoiding the smp_call-while-interrupts-disabled issue. Perhaps > > it would be helpful here? > > This seems like separate issue... I'd prefer not to block this patch. > > MTRRs should be probably handled by some kind of "cpu is going down" > and "cpu is going up" callbacks... Zwane, do you have any ideas? > Linklist of handlers should be enough... What else is it needed for? CpuFreq? Nigel -- Nigel Cunningham Software Engineer, Canberra, Australia http://www.cyclades.com Bus: +61 (2) 6291 9554; Hme: +61 (2) 6292 8028; Mob: +61 (417) 100 574 Maintainer of Suspend2 Kernel Patches http://suspend2.net - 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/