From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1762491AbYEES4n (ORCPT ); Mon, 5 May 2008 14:56:43 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752476AbYEES4f (ORCPT ); Mon, 5 May 2008 14:56:35 -0400 Received: from hpsmtp-eml14.kpnxchange.com ([213.75.38.114]:55144 "EHLO hpsmtp-eml14.kpnxchange.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751406AbYEES4e (ORCPT ); Mon, 5 May 2008 14:56:34 -0400 From: Frans Pop To: "Pallipadi, Venkatesh" Subject: Re: [git head] Should X86_PAT really default to yes? Date: Mon, 5 May 2008 20:56:31 +0200 User-Agent: KMail/1.9.9 Cc: "Yinghai Lu" , "Barnes, Jesse" , linux-kernel@vger.kernel.org, "Ingo Molnar" , "Packard, Keith" References: <200805022122.03576.elendil@planet.nl> <200805051855.05496.elendil@planet.nl> <924EFEDD5F540B4284297C4DC59F3DEEFB9204@orsmsx423.amr.corp.intel.com> In-Reply-To: <924EFEDD5F540B4284297C4DC59F3DEEFB9204@orsmsx423.amr.corp.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200805052056.31808.elendil@planet.nl> X-OriginalArrivalTime: 05 May 2008 18:56:32.0539 (UTC) FILETIME=[BC052EB0:01C8AEE1] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Monday 05 May 2008, Pallipadi, Venkatesh wrote: > >On Sunday 04 May 2008, Yinghai Lu wrote: > >> can you boot with pat=off and send out /proc/mtrr? > > > >Hmmm. Is 'pat=off' supposed to do anything? > > The option for this is actually "nopat". Yes, that does work. Thanks. Contents of /proc/mtrr remain unchanged.