From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1765494AbYEFSoy (ORCPT ); Tue, 6 May 2008 14:44:54 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1756646AbYEFSoo (ORCPT ); Tue, 6 May 2008 14:44:44 -0400 Received: from terminus.zytor.com ([198.137.202.10]:53490 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756104AbYEFSon (ORCPT ); Tue, 6 May 2008 14:44:43 -0400 Message-ID: <4820A6DF.7010607@zytor.com> Date: Tue, 06 May 2008 11:43:43 -0700 From: "H. Peter Anvin" User-Agent: Thunderbird 2.0.0.12 (X11/20080226) MIME-Version: 1.0 To: Yinghai Lu CC: Ingo Molnar , "Eric W. Biederman" , Thomas Gleixner , Andrew Morton , "linux-kernel@vger.kernel.org" Subject: Re: [PATCH] x86: fixed mtrr change WP to WB References: <200805041823.57198.yhlu.kernel@gmail.com> <200805061038.58023.yhlu.kernel@gmail.com> <200805061041.40047.yhlu.kernel@gmail.com> <482099E6.5060208@zytor.com> <86802c440805061124w630bc987k71c3c290fdfde773@mail.gmail.com> <4820A401.1040105@zytor.com> <86802c440805061134y21fbb2a3s872c41c522b9f49f@mail.gmail.com> In-Reply-To: <86802c440805061134y21fbb2a3s872c41c522b9f49f@mail.gmail.com> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Yinghai Lu wrote: > >> Obviously, if you have already modified a table, you should save a pointer >> to it, and not rely on the kernel scanning later. > > that modified mptable is for second kernel that is kexeced. > Then you would have to add a method to pass it into the kernel if you want it to be generally useful. -hpa