Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262196AbTEHWf2 (ORCPT ); Thu, 8 May 2003 18:35:28 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262192AbTEHWe7 (ORCPT ); Thu, 8 May 2003 18:34:59 -0400 Received: from smtp-out2.iol.cz ([194.228.2.87]:47500 "EHLO smtp-out2.iol.cz") by vger.kernel.org with ESMTP id S262189AbTEHWda (ORCPT ); Thu, 8 May 2003 18:33:30 -0400 Date: Thu, 8 May 2003 23:47:38 +0200 From: Pavel Machek To: Linus Torvalds Cc: mikpe@csd.uu.se, Dave Jones , linux-kernel@vger.kernel.org Subject: Re: [PATCH] restore sysenter MSRs at resume Message-ID: <20030508214737.GD4466@elf.ucw.cz> References: <16057.16684.101916.709412@gargle.gargle.HOWL> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Warning: Reading this can be dangerous to your mental health. User-Agent: Mutt/1.5.3i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 928 Lines: 22 Hi! > > We don't do apm suspend/resume on SMP, so this is no different from the > > current situation. I don't know if acpi does it or not. > > Well, the thing is, if we ever do want to support it (and I suspect we > do), we should have the infrastructure ready. It shouldn't be too hard to > support SMP suspend in a 2.7.x timeframe, since it from a technology angle > looks like simply hot-plug CPU's. Some of the infrastructure for that > already exists. Actually, then MSRs should restored during hotadd operation, so resume still does *not* care about non-boot cpus... Pavel -- When do you have a heart between your knees? [Johanka's followup: and *two* hearts?] - 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/