From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754726AbXKEAHF (ORCPT ); Sun, 4 Nov 2007 19:07:05 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753110AbXKEAGz (ORCPT ); Sun, 4 Nov 2007 19:06:55 -0500 Received: from terminus.zytor.com ([198.137.202.10]:39167 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751893AbXKEAGy (ORCPT ); Sun, 4 Nov 2007 19:06:54 -0500 Message-ID: <472E5DAB.8080804@zytor.com> Date: Sun, 04 Nov 2007 16:02:51 -0800 From: "H. Peter Anvin" User-Agent: Thunderbird 2.0.0.5 (X11/20070727) MIME-Version: 1.0 To: Linus Torvalds CC: Jeremy Fitzhardinge , Linux Kernel Mailing List , Thomas Gleixner , Ingo Molnar , Mikael Petterson , Eric Biederman Subject: Re: [GIT PULL] x86 setup: correct booting on 486DX4 References: <200711042259.lA4Mxa0n025210@tazenda.hos.anvin.org> <472E551E.2010507@zytor.com> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Linus Torvalds wrote: > > And Linux always did it correctly. I don't understand why you disagree, > and why Jeremy says > > "Having successfully broken the rules for a long time so far, > maybe we can get away with still cutting corners..." > > when the fact is, we used to *not* cut corners, we used to *not* break the > rules, and what we used to do (a short jump immediately after setting PE) > was exactly what Intel always said you should do, and there is no question > what-so-ever about it. > Apparently because the Intel documentation disagrees with itself. That's all. -hpa