From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756617AbYIPRuo (ORCPT ); Tue, 16 Sep 2008 13:50:44 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753302AbYIPRug (ORCPT ); Tue, 16 Sep 2008 13:50:36 -0400 Received: from yw-out-2324.google.com ([74.125.46.29]:59709 "EHLO yw-out-2324.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752838AbYIPRuf (ORCPT ); Tue, 16 Sep 2008 13:50:35 -0400 From: David Sanders Reply-To: linux@sandersweb.net To: linux-kernel@vger.kernel.org Subject: Re: [PATCH] x86: Don't use NOPL on 32-bit cpu's because not all systems support it. Date: Tue, 16 Sep 2008 13:50:30 -0400 User-Agent: KMail/1.9.5 Cc: Alan Cox , "H. Peter Anvin" , the arch/x86 maintainers , Ingo Molnar 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> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Content-Disposition: inline Message-Id: <200809161350.31521.linux@sandersweb.net> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tuesday 16 September 2008 13:00, 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... Actually, you can pass noreplace-paravirt, but that is non-obvious to the regular user.