From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755066AbZDTLDU (ORCPT ); Mon, 20 Apr 2009 07:03:20 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754680AbZDTLDE (ORCPT ); Mon, 20 Apr 2009 07:03:04 -0400 Received: from mx2.redhat.com ([66.187.237.31]:50514 "EHLO mx2.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753157AbZDTLDB (ORCPT ); Mon, 20 Apr 2009 07:03:01 -0400 Message-ID: <49EC565B.2090806@redhat.com> Date: Mon, 20 Apr 2009 14:02:51 +0300 From: Avi Kivity User-Agent: Thunderbird 2.0.0.21 (X11/20090320) MIME-Version: 1.0 To: Andi Kleen CC: Gerd Hoffmann , Anthony Liguori , Huang Ying , "kvm@vger.kernel.org" , "linux-kernel@vger.kernel.org" Subject: Re: [PATCH] Add MCE support to KVM References: <1239332455.6384.108.camel@yhuang-dev.sh.intel.com> <49E08762.1010206@redhat.com> <1239590499.6384.4016.camel@yhuang-dev.sh.intel.com> <49E337D7.5050502@redhat.com> <49EA515C.9000507@codemonkey.ws> <49EAE1F6.9050205@redhat.com> <49EC29D1.8040407@redhat.com> <49EC3198.9070902@redhat.com> <49EC3987.2040001@redhat.com> <49EC3AD6.3090905@redhat.com> <20090420100421.GX14687@one.firstfloor.org> In-Reply-To: <20090420100421.GX14687@one.firstfloor.org> 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 Andi Kleen wrote: >> It depends if the MSR may be considered global, or is required to be >> per-cpu. Need to refresh my memory on this, but I remember reading this >> > > Machine Check MSRs need to be per CPU. The latest kernels have some support > for "shared banks" (between CPUs) but it's better to not have it and > older OS don't like it. > In the case of the hypercall page MSR, it is global and shared among all processors. -- error compiling committee.c: too many arguments to function