Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752139AbWAEK6i (ORCPT ); Thu, 5 Jan 2006 05:58:38 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752137AbWAEK6i (ORCPT ); Thu, 5 Jan 2006 05:58:38 -0500 Received: from linux01.gwdg.de ([134.76.13.21]:43937 "EHLO linux01.gwdg.de") by vger.kernel.org with ESMTP id S1750709AbWAEK6h (ORCPT ); Thu, 5 Jan 2006 05:58:37 -0500 Date: Thu, 5 Jan 2006 11:57:42 +0100 (MET) From: Jan Engelhardt To: Marcin Dalecki cc: Takashi Iwai , Jesper Juhl , Adrian Bunk , Tomasz Torcz , Olivier Galibert , Alistair John Strachan , Andi Kleen , perex@suse.cz, alsa-devel@alsa-project.org, James@superbug.demon.co.uk, sailer@ife.ee.ethz.ch, linux-sound@vger.kernel.org, zab@zabbo.net, kyle@parisc-linux.org, parisc-linux@lists.parisc-linux.org, jgarzik@pobox.com, Thorsten Knabe , zwane@commfireservices.com, zaitcev@yahoo.com, linux-kernel@vger.kernel.org Subject: Re: [2.6 patch] schedule obsolete OSS drivers for removal In-Reply-To: Message-ID: References: <20050726150837.GT3160@stusta.de> <200601031522.06898.s0348365@sms.ed.ac.uk> <20060103160502.GB5262@irc.pl> <200601031629.21765.s0348365@sms.ed.ac.uk> <20060103170316.GA12249@dspnet.fr.eu.org> <20060103203732.GF5262@irc.pl> <9a8748490601031256x916bddav794fecdcf263fb55@mail.gmail.com> <20060103215654.GH3831@stusta.de> <9a8748490601031411p17d4417fyffbfee00ca85ac82@mail.gmail.com> 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 Content-Length: 892 Lines: 24 >> Software mixing in the kernel is like FPU ops in the kernel... > > Could you please elaborate a tad bit more on the analogy? It doesn't appear to > be stunningly obvious. > It has never been done before in Linux, so there must be a reason to it. There was also a reason why khttpd was (going in and) going out. > Are you aware of the reasons why floating point operations are avoided inside > the kernel? > Because it is "unportable". You cannot expect to have every hardware Linux runs on today to have an FPU engine (hey, like that ol' i386 I got, needs CONFIG_MATH_EMU...), especially in the Embedded Devices sector. Jan Engelhardt -- - 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/