From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755953AbYIHWnj (ORCPT ); Mon, 8 Sep 2008 18:43:39 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753985AbYIHWnb (ORCPT ); Mon, 8 Sep 2008 18:43:31 -0400 Received: from one.firstfloor.org ([213.235.205.2]:53006 "EHLO one.firstfloor.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752492AbYIHWna (ORCPT ); Mon, 8 Sep 2008 18:43:30 -0400 To: Arjan van de Ven Cc: "H. Peter Anvin" , Linus Torvalds , x86 maintainers , Andrew Morton , Linux Kernel Mailing List Subject: Re: [git pull] x86 fixes From: Andi Kleen References: <200809081752.m88Hq6tn005080@askone.hos.anvin.org> <48C56D60.7010405@zytor.com> <20080908114619.741b6786@infradead.org> Date: Tue, 09 Sep 2008 00:43:31 +0200 In-Reply-To: <20080908114619.741b6786@infradead.org> (Arjan van de Ven's message of "Mon, 8 Sep 2008 11:46:19 -0700") Message-ID: <87prnetg18.fsf@basil.nowhere.org> User-Agent: Gnus/5.1008 (Gnus v5.10.8) Emacs/21.3 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Arjan van de Ven writes: > On Mon, 08 Sep 2008 11:22:24 -0700 > "H. Peter Anvin" wrote: > >> >> The "ideal" way to do any of this would probably to have checkboxes >> for all the CPUs you want to support and then a drop-down box for the >> CPU to optimize for. However, the combinatorics of that would be >> horrible, and it would be very unlikely we would avoid bugs. > > the ideal case would be "support them all" Support all from the last 10 years (ok excluding legacy models that just shipped forever like 486). I think that's quite reasonable to do and worked for a long time. -Andi -- ak@linux.intel.com