From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755757AbbHQQ50 (ORCPT ); Mon, 17 Aug 2015 12:57:26 -0400 Received: from mail-ig0-f176.google.com ([209.85.213.176]:34557 "EHLO mail-ig0-f176.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753333AbbHQQ5Z (ORCPT ); Mon, 17 Aug 2015 12:57:25 -0400 MIME-Version: 1.0 In-Reply-To: <55D1BE89.1030108@redhat.com> References: <20150814071500.GA2678@gmail.com> <20150817080143.GA16928@gmail.com> <55D1BE89.1030108@redhat.com> Date: Mon, 17 Aug 2015 09:57:24 -0700 X-Google-Sender-Auth: rxU0ZfoJ3RfE9FtCehMsQwQRy2Y Message-ID: Subject: Re: [GIT PULL] x86 fixes From: Linus Torvalds To: Denys Vlasenko Cc: Ingo Molnar , Juergen Gross , Andy Lutomirski , Linux Kernel Mailing List , Thomas Gleixner , "H. Peter Anvin" , Peter Zijlstra , Brian Gerst , Andrew Morton Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, Aug 17, 2015 at 3:59 AM, Denys Vlasenko wrote: > > I have it running linux 2.6.20 and busybox here: > > http://busybox.net/live_bbox/live_bbox.html > > (or rather, *you* will have it running linux 2.6.20 inside your browser, > after you click on that link) Heh. I'm not sure that's a very useful thing, but if somebody can make a kvm image or something with an old distribution that is known to work with FPU emulation, maybe we should verify that the current code at least works. Because even if we decide that just deleting it is the right thing for long-term maintainability, it would be better if we delete it in a state where it is known to work about as well as it ever did. So that *if* we have to resurrect it, we know that it at least was working at the point where it was deleted. I hate deleting code because it got broken. In contrast, I don't mind deleting code that no longer makes sense to maintain. The two are supposed to be very different things. Linus