From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753882AbZHaSEU (ORCPT ); Mon, 31 Aug 2009 14:04:20 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752777AbZHaSET (ORCPT ); Mon, 31 Aug 2009 14:04:19 -0400 Received: from terminus.zytor.com ([198.137.202.10]:49666 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752650AbZHaSET (ORCPT ); Mon, 31 Aug 2009 14:04:19 -0400 Message-ID: <4A9C1085.50204@zytor.com> Date: Mon, 31 Aug 2009 11:03:49 -0700 From: "H. Peter Anvin" User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.1) Gecko/20090814 Fedora/3.0-2.6.b3.fc11 Thunderbird/3.0b3 MIME-Version: 1.0 To: Borislav Petkov , mingo@redhat.com, linux-kernel@vger.kernel.org, kjwinchester@gmail.com, tglx@linutronix.de, borislav.petkov@amd.com, linux-tip-commits@vger.kernel.org Subject: Re: [PATCH 3/3] x86, AMD: Disable wrongly set X86_FEATURE_LAHF_LM CPUID bit References: <1251633031-2244-1-git-send-email-petkovbb@gmail.com> <1251633031-2244-3-git-send-email-petkovbb@gmail.com> <4A9AD17A.6060507@zytor.com> <20090830193039.GB22234@liondog.tnic> <4A9ADAC3.3020004@zytor.com> <20090830202926.GC22234@liondog.tnic> <4A9AE5B1.80305@zytor.com> <20090831081426.GA2876@liondog.tnic> In-Reply-To: <20090831081426.GA2876@liondog.tnic> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 08/31/2009 01:14 AM, Borislav Petkov wrote: > On Sun, Aug 30, 2009 at 01:48:49PM -0700, H. Peter Anvin wrote: >> The 2x32 bit interface is the legacy interface. It turned out to be a >> bad idea, but it's hard to clean up all the users. > > By the way, do we want to switch all rd/wrmsr users to the rd/wrmsrl et > al interfaces? I could do that gradually - there are only about 400+ > callsites :) > Probably, but I don't consider it a high-priority project. To me it's more of a "clean it up as you go" kind of thing. -hpa