Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932513AbVIZUd3 (ORCPT ); Mon, 26 Sep 2005 16:33:29 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932515AbVIZUd3 (ORCPT ); Mon, 26 Sep 2005 16:33:29 -0400 Received: from smtp.osdl.org ([65.172.181.4]:25298 "EHLO smtp.osdl.org") by vger.kernel.org with ESMTP id S932513AbVIZUd3 (ORCPT ); Mon, 26 Sep 2005 16:33:29 -0400 Date: Mon, 26 Sep 2005 13:33:31 -0700 From: Andrew Morton To: john stultz Cc: ak@suse.de, linux-kernel@vger.kernel.org Subject: Re: [PATCH] x86-64: Fix bad assumption that dualcore cpus have synced TSCs (resend) Message-Id: <20050926133331.11bf4963.akpm@osdl.org> In-Reply-To: <1127764012.8195.138.camel@cog.beaverton.ibm.com> References: <1127764012.8195.138.camel@cog.beaverton.ibm.com> X-Mailer: Sylpheed version 1.0.0 (GTK+ 1.2.10; i386-vine-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 818 Lines: 21 john stultz wrote: > > This patch should resolve the issue seen in bugme bug #5105, where it > is assumed that dualcore x86_64 systems have synced TSCs. This is not > the case, and alternate timesources should be used instead. > > For more details, see: > http://bugzilla.kernel.org/show_bug.cgi?id=5105 > > Andi's earlier concerns that the TSCs should be synced on dualcore > systems have been resolved by confirmation from AMD folks that they can > be unsynced. OK, thanks - it's good to knock that one over. Andi, does this look OK for 2.6.14? - 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/