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 13:46:33 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sat, 25 May 2002 13:46:32 -0400 Received: from pool-151-201-36-187.pitt.east.verizon.net ([151.201.36.187]:27784 "EHLO marta.kurtwerks.com") by vger.kernel.org with ESMTP id ; Sat, 25 May 2002 13:46:30 -0400 Date: Sat, 25 May 2002 13:47:09 -0400 From: Kurt Wall To: linux-kernel@vger.kernel.org Subject: Re: patent on O_ATOMICLOOKUP [Re: [PATCH] loopable tmpfs (2.4.17)] Message-ID: <20020525134709.L405@marta> Mail-Followup-To: Kurt Wall , linux-kernel@vger.kernel.org In-Reply-To: <20020524223950.D22643@work.bitmover.com> <20020525091444.H28795@work.bitmover.com> <3CEFB9C6.FC21D7CB@opersys.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org {CCs trimmed] Scribbling feverishly on May 25, Karim Yaghmour managed to emit: > > Larry McVoy wrote: > > 4. Contact FSMlabs, ask about licensing costs, compare to #3 and go with > > #4 if it makes sense. > > Many people have said this before and I will say it again: Linux is > fine as an open-source/free-software rtos, but as a non-free rtos it > has no chance in front of the competition. Sorry, I must have lost track of this argument. I thought the point of contention was the RTLinux patent, which seems pretty clear on the key issue: if your stuff is GPL, we're GPL; if you make money, we want a slice of the pie. Now it almost sounds like you're telling us that the real issue is that you can't make your own Linux-as-nonfree-rtos. Well, I'm not very smart, so maybe I've misunderstood. > You can dimiss those who haven't chosen #4 as much as you want and > find all the reasons to justify your dismissal. It remains that the > embedded/rt market is closed to Linux because of the current situation. That dog won't hunt. There are more players in the Linux embedded/RT space than RTAI and RTLinux, which you have conveniently overlooked throughout this entire thread. Maybe at this time none of them are ready for $300 IPO pops, but you can't make the argument that "RT is closed to Linux" when your only data points are RTAI and RTLinux. Kurt -- So, what's with this guy Gideon, anyway? And why can't he ever remember his Bible?