Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756141AbXITMrH (ORCPT ); Thu, 20 Sep 2007 08:47:07 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753093AbXITMq4 (ORCPT ); Thu, 20 Sep 2007 08:46:56 -0400 Received: from il.qumranet.com ([82.166.9.18]:55732 "EHLO il.qumranet.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752935AbXITMqz (ORCPT ); Thu, 20 Sep 2007 08:46:55 -0400 Message-ID: <46F26BAA.3040800@qumranet.com> Date: Thu, 20 Sep 2007 14:46:34 +0200 From: Avi Kivity User-Agent: Thunderbird 2.0.0.0 (X11/20070419) MIME-Version: 1.0 To: Andi Kleen CC: Jesse Barnes , Howard Chu , linux-kernel Subject: Re: MTRR initialization References: <46EAB7DA.10507@symas.com> <200709191452.57505.jesse.barnes@intel.com> <46F26208.309@qumranet.com> <20070920121013.GH18707@one.firstfloor.org> In-Reply-To: <20070920121013.GH18707@one.firstfloor.org> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 543 Lines: 20 Andi Kleen wrote: >> Is there any reason not to set the MTRRs to define the entire memory as >> write back, and use PAT exclusively for setting cacheability? >> > > That risks breaking SMM or BIOS code. > > Yes. Too bad. -- error compiling committee.c: too many arguments to function - 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/