From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S934704AbYAaRyB (ORCPT ); Thu, 31 Jan 2008 12:54:01 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1758631AbYAaRxv (ORCPT ); Thu, 31 Jan 2008 12:53:51 -0500 Received: from terminus.zytor.com ([198.137.202.10]:53980 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756658AbYAaRxu (ORCPT ); Thu, 31 Jan 2008 12:53:50 -0500 Message-ID: <47A209C0.7010204@zytor.com> Date: Thu, 31 Jan 2008 09:47:44 -0800 From: "H. Peter Anvin" User-Agent: Thunderbird 2.0.0.9 (X11/20071115) MIME-Version: 1.0 To: Ingo Molnar CC: Harvey Harrison , Yinghai Lu , Linux Kernel Mailing List , Thomas Gleixner Subject: Re: about relocs.c on x86 References: <86802c440801310007oe8693c7q177d41a87c27ca7@mail.gmail.com> <20080131095223.GA11867@elte.hu> <1201773740.23523.17.camel@brick> <20080131101111.GB11867@elte.hu> In-Reply-To: <20080131101111.GB11867@elte.hu> 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 Ingo Molnar wrote: > > ( Hey, and maybe someone is crazy enough to try to port the math-emu > code to 64-bit and boot Linux up on 64-bit with all user-space FPU ops > emulated. It would be one of the most useless hacks of all times, and > that certainly has a certain kind of sick appeal to it, doesnt it? ;-)) > It'd take a lot of work, since the x86-64 ABI requires SSE2. -hpa