From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756424AbYBVJpf (ORCPT ); Fri, 22 Feb 2008 04:45:35 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752931AbYBVJp1 (ORCPT ); Fri, 22 Feb 2008 04:45:27 -0500 Received: from mx2.mail.elte.hu ([157.181.151.9]:53913 "EHLO mx2.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752878AbYBVJp1 (ORCPT ); Fri, 22 Feb 2008 04:45:27 -0500 Date: Fri, 22 Feb 2008 10:45:13 +0100 From: Ingo Molnar To: "H. Peter Anvin" 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 Message-ID: <20080222094513.GA6269@elte.hu> References: <1203605414-4958-1-git-send-email-joerg.roedel@amd.com> <20080221203748.GA9031@elte.hu> <47BDFBDE.5040102@zytor.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <47BDFBDE.5040102@zytor.com> User-Agent: Mutt/1.5.17 (2007-11-01) X-ELTE-VirusStatus: clean X-ELTE-SpamScore: -1.5 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-1.5 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.2.3 -1.5 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * H. Peter Anvin 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. btw., should KVM do the same? Ingo