From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932745AbYBUWsS (ORCPT ); Thu, 21 Feb 2008 17:48:18 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1761679AbYBUWsG (ORCPT ); Thu, 21 Feb 2008 17:48:06 -0500 Received: from terminus.zytor.com ([198.137.202.10]:54482 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757735AbYBUWsC (ORCPT ); Thu, 21 Feb 2008 17:48:02 -0500 Message-ID: <47BDFBDE.5040102@zytor.com> Date: Thu, 21 Feb 2008 14:31:58 -0800 From: "H. Peter Anvin" User-Agent: Thunderbird 2.0.0.9 (X11/20071115) MIME-Version: 1.0 To: Ingo Molnar CC: Joerg Roedel , tglx@linutronix.de, mingo@redhat.com, linux-kernel@vger.kernel.org Subject: Re: [PATCH] X86: don't print a warning when MTRR are blank and running in KVM References: <1203605414-4958-1-git-send-email-joerg.roedel@amd.com> <20080221203748.GA9031@elte.hu> In-Reply-To: <20080221203748.GA9031@elte.hu> 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 Ingo Molnar wrote: > > I'm not sure how we could detect pure Qemu instances - perhaps it should > define some special MSR or something? > Perhaps they should fix the Qemu BIOS to actually simulate working MSRs; if nothing else, they should set up the default MTRR to be cachable. -hpa