From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Sat, 25 May 2002 01:56:41 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sat, 25 May 2002 01:56:40 -0400 Received: from dsl-213-023-038-075.arcor-ip.net ([213.23.38.75]:7371 "EHLO starship") by vger.kernel.org with ESMTP id ; Sat, 25 May 2002 01:56:39 -0400 Content-Type: text/plain; charset=US-ASCII From: Daniel Phillips To: Linus Torvalds , Karim Yaghmour Subject: Re: patent on O_ATOMICLOOKUP [Re: [PATCH] loopable tmpfs (2.4.17)] Date: Sat, 25 May 2002 07:53:48 +0200 X-Mailer: KMail [version 1.3.2] Cc: Andrea Arcangeli , Dan Kegel , Andrew Morton , Hugh Dickins , Christoph Rohland , Jens Axboe , In-Reply-To: MIME-Version: 1.0 Content-Transfer-Encoding: 7BIT Message-Id: Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Saturday 25 May 2002 06:27, Linus Torvalds wrote: > On Fri, 24 May 2002, Linus Torvalds wrote: > > > > You know what? I don't care. If the RTAI people are trying to make it easy > > for non-GPL module people, I have absolutely zero interest. > > [ Clarification: here "module" is not just "the thing you insert with > insmod". In RTAI it's a mlock'ed user-level thing that has higher > priority than the kernel, and can thus trivially crash the system. > Whether it runs in CPL0 or CPL3 is immaterial at that point - a crash is > a crash, and I'm not interested in systems where I cannot debug the > thing that caused it ] This issue is easily dealt with by requiring root for the rt_task_init call. As for debugging the thing, Linus doth protest too much. -- Daniel