Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Sat, 3 Mar 2001 19:45:43 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sat, 3 Mar 2001 19:45:32 -0500 Received: from runyon.cygnus.com ([205.180.230.5]:26620 "EHLO cygnus.com") by vger.kernel.org with ESMTP id ; Sat, 3 Mar 2001 19:45:28 -0500 To: buhr@stat.wisc.edu (Kevin Buhr) Cc: Alan Cox , linux-kernel@vger.kernel.org Subject: Re: RFC: changing precision control setting in initial FPU context In-Reply-To: Reply-To: drepper@cygnus.com (Ulrich Drepper) X-fingerprint: BE 3B 21 04 BC 77 AC F0 61 92 E4 CB AC DD B9 5A X-fingerprint: e6:49:07:36:9a:0d:b7:ba:b5:e9:06:f3:e7:e7:08:4a From: Ulrich Drepper Date: 03 Mar 2001 16:45:44 -0800 In-Reply-To: buhr@stat.wisc.edu's message of "03 Mar 2001 18:27:50 -0600" Message-ID: Lines: 20 User-Agent: Gnus/5.0807 (Gnus v5.8.7) XEmacs/21.1 (Capitol Reef) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org buhr@stat.wisc.edu (Kevin Buhr) writes: > > You want peoples existing applications to suddenely and magically change > > their results. Umm problem. > > So, how would you feel about a mechanism whereby the kernel could be > passed a default FPU control word by the binary (with old binaries, by > default, There will be no change whatsoever with me. The existing ABI is fixed. If you want your programs to behave different set the mode appropriately. I have not the slightest interest in seeing applications (including the libc) being broken just because of this stupid idea. No kernel and no libc modifications necessary. This is the end of the story as far as I'm concerned. -- ---------------. ,-. 1325 Chesapeake Terrace Ulrich Drepper \ ,-------------------' \ Sunnyvale, CA 94089 USA Red Hat `--' drepper at redhat.com `------------------------ - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/