From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755304AbYIPR2o (ORCPT ); Tue, 16 Sep 2008 13:28:44 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753273AbYIPR2g (ORCPT ); Tue, 16 Sep 2008 13:28:36 -0400 Received: from terminus.zytor.com ([198.137.202.10]:40862 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753272AbYIPR2f (ORCPT ); Tue, 16 Sep 2008 13:28:35 -0400 Message-ID: <48CFECA1.2020009@zytor.com> Date: Tue, 16 Sep 2008 10:28:01 -0700 From: "H. Peter Anvin" User-Agent: Thunderbird 2.0.0.16 (X11/20080723) MIME-Version: 1.0 To: Alan Cox CC: linux@sandersweb.net, the arch/x86 maintainers , Linux Kernel , Ingo Molnar Subject: Re: [PATCH] x86: Don't use NOPL on 32-bit cpu's because not all systems support it. References: <200809161159.15870.linux@sandersweb.net> <48CFDF82.3000704@zytor.com> <20080916180022.5f57368b@lxorguk.ukuu.org.uk> In-Reply-To: <20080916180022.5f57368b@lxorguk.ukuu.org.uk> 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 Alan Cox wrote: >> Given that, we should either just rip this code out, or detect VPC >> (how?). The latter option can be done post-.27, of course; if so, we > > Make the user pass a "vpcworkarounds" boot option... Kernel Tainted: Microsoft -hpa