Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Sun, 14 Jul 2002 12:46:53 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sun, 14 Jul 2002 12:46:52 -0400 Received: from saturn.cs.uml.edu ([129.63.8.2]:13835 "EHLO saturn.cs.uml.edu") by vger.kernel.org with ESMTP id ; Sun, 14 Jul 2002 12:46:52 -0400 From: "Albert D. Cahalan" Message-Id: <200207141649.g6EGndc140138@saturn.cs.uml.edu> Subject: Re: Advice saught on math functions To: pashley@storm.ca (Sandy Harris) Date: Sun, 14 Jul 2002 12:49:39 -0400 (EDT) Cc: linux-kernel@vger.kernel.org In-Reply-To: <3D3187E6.426BB595@storm.ca> from "Sandy Harris" at Jul 14, 2002 10:17:10 AM X-Mailer: ELM [version 2.5 PL2] MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 527 Lines: 15 Sandy Harris writes: > Erik Andersen wrote: >> This is kernel space. Using any math functions is forbidden >> in kernel space, > > Exactly what do you mean by "forbidden"? You will corrupt the FPU registers of a user app and/or cause an oops, assuming the kernel compiles at all. - 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/