From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933282Ab3BSR5d (ORCPT ); Tue, 19 Feb 2013 12:57:33 -0500 Received: from mail-vc0-f170.google.com ([209.85.220.170]:42463 "EHLO mail-vc0-f170.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933025Ab3BSR5b (ORCPT ); Tue, 19 Feb 2013 12:57:31 -0500 Date: Tue, 19 Feb 2013 12:57:27 -0500 From: Konrad Rzeszutek Wilk To: Borislav Petkov , "H. Peter Anvin" , Ingo Molnar , Boris Ostrovsky , Linus Torvalds , linux-kernel@vger.kernel.org, Thomas Gleixner , Andrew Morton , boris.ostrovsky@oracle.com Subject: Re: [GIT PULL] x86/cpu changes for v3.9 Message-ID: <20130219175726.GA18244@phenom.dumpdata.com> References: <20130219152503.GA14862@gmail.com> <20130219153655.GD26748@pd.tnic> <20130219154721.GA15876@gmail.com> <5123B897.9010607@zytor.com> <20130219174758.GB4465@pd.tnic> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20130219174758.GB4465@pd.tnic> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Feb 19, 2013 at 06:47:58PM +0100, Borislav Petkov wrote: > On Tue, Feb 19, 2013 at 09:38:31AM -0800, H. Peter Anvin wrote: > > My fault... I was tracking the fix and lost track of the thread. > > > > The problem is that the fix is necessary but not sufficient, as it > > introduces an undesirable host-guest dependency. In order to allow > > neerw guests to work on older hosts we also should use the > > {rd,wr}msr_safe() functions to manipulate this MSR, with a comment > > as to why. > > > > Boris, could you prepare such a patch, please? > > I don't think Boris O. is at AMD anymore. Want me to add that to my fix > for kvm or prep a separate patch? CC-ing Boris. > > -- > Regards/Gruss, > Boris. > > Sent from a fat crate under my desk. Formatting is fine. > -- > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ >