From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760995AbZBRVuv (ORCPT ); Wed, 18 Feb 2009 16:50:51 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1757489AbZBRVoj (ORCPT ); Wed, 18 Feb 2009 16:44:39 -0500 Received: from tomts13-srv.bellnexxia.net ([209.226.175.34]:55570 "EHLO tomts13-srv.bellnexxia.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759474AbZBRVoh (ORCPT ); Wed, 18 Feb 2009 16:44:37 -0500 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: Aq0EAHcPnElMQWt2/2dsb2JhbACBbtNNhBMG Date: Wed, 18 Feb 2009 16:44:26 -0500 From: Mathieu Desnoyers To: Alan Cox Cc: "Paul E. McKenney" , linux-kernel@vger.kernel.org, ltt-dev@lists.casi.polymtl.ca, pierre-marc.fournier@polymtl.ca Subject: Re: Moving Userspace RCU (urcu) from GPL to LGPL license Message-ID: <20090218214426.GA30245@Krystal> References: <20090218180232.GA21389@Krystal> <20090218213448.3b467c88@the-village.bc.nu> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Content-Disposition: inline In-Reply-To: <20090218213448.3b467c88@the-village.bc.nu> X-Editor: vi X-Info: http://krystal.dyndns.org:8080 X-Operating-System: Linux/2.6.21.3-grsec (i686) X-Uptime: 16:43:51 up 48 days, 21:42, 6 users, load average: 0.18, 0.33, 0.26 User-Agent: Mutt/1.5.18 (2008-05-17) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org * Alan Cox (alan@lxorguk.ukuu.org.uk) wrote: > On Wed, 18 Feb 2009 13:02:32 -0500 > Mathieu Desnoyers wrote: > > only thing is that we cannot put GPL code into a LGPL library. > > You'll need a patent grant from IBM for non GPL use for that not just an > LGPL library > > > The other point is that I use a few low-level primitives from the Linux > > kernel header (e.g. atomic increment for x86, barrier macros). Those are > > simple one-liners, but, still, I wonder about the licensing > > implications. I could simply "rewrite" them, but that would be a shame > > Ask the author - certainly the original basic atomic ops Linus gave > specific permission to the mozilla folks to use under other licences. > > Alan > Thanks Alan for this precious information. I'll discuss with IBM about possible alternatives. Mathieu -- Mathieu Desnoyers OpenPGP key fingerprint: 8CD5 52C3 8E3C 4140 715F BA06 3F25 A8FE 3BAE 9A68