From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([208.118.235.92]:37598) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SqiiM-0000qx-9R for qemu-devel@nongnu.org; Mon, 16 Jul 2012 06:39:43 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1SqiiK-0001Qw-Lf for qemu-devel@nongnu.org; Mon, 16 Jul 2012 06:39:42 -0400 Received: from e06smtp12.uk.ibm.com ([195.75.94.108]:59971) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SqiiK-0001Qg-Cn for qemu-devel@nongnu.org; Mon, 16 Jul 2012 06:39:40 -0400 Received: from /spool/local by e06smtp12.uk.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Mon, 16 Jul 2012 11:39:38 +0100 Received: from d06av12.portsmouth.uk.ibm.com (d06av12.portsmouth.uk.ibm.com [9.149.37.247]) by d06nrmr1806.portsmouth.uk.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id q6GAda1I1818878 for ; Mon, 16 Jul 2012 11:39:36 +0100 Received: from d06av12.portsmouth.uk.ibm.com (loopback [127.0.0.1]) by d06av12.portsmouth.uk.ibm.com (8.14.4/8.13.1/NCO v10.0 AVout) with ESMTP id q6GAdZZ7008281 for ; Mon, 16 Jul 2012 04:39:36 -0600 Date: Mon, 16 Jul 2012 11:39:34 +0100 From: Stefan Hajnoczi Message-ID: <20120716103934.GA6362@stefanha-thinkpad.localdomain> References: <4FFA9C30.2070201@linux.vnet.ibm.com> <4FFAA0C3.3080703@redhat.com> <4FFBB7FB.3070303@linux.vnet.ibm.com> <4FFBD6F1.90403@redhat.com> <20120713091611.GC15503@stefanha-thinkpad.localdomain> <4FFFEF8E.5080705@redhat.com> <50000793.2020401@redhat.com> <87ehofff04.fsf@fimbulvetr.bsc.es> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <87ehofff04.fsf@fimbulvetr.bsc.es> Subject: Re: [Qemu-devel] [RFC] introduce a dynamic library to expose qemu block API List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: =?iso-8859-1?Q?Llu=EDs?= Vilanova Cc: Anthony Liguori , Michael Tokarev , qemu-devel@nongnu.org, Blue Swirl , Stefan Weil , Hannes Reinecke , Paolo Bonzini , Wenchao Xia On Sat, Jul 14, 2012 at 01:55:07AM +0300, Lluís Vilanova wrote: > Paolo Bonzini writes: > > > Il 13/07/2012 11:51, Paolo Bonzini ha scritto: > >> Il 13/07/2012 11:16, Stefan Hajnoczi ha scritto: > >>>> "Working around the QEMU block layer license" is not a goal per se, > >>>> especially because you haven't a) assessed _what_ is the GPL code that > >>>> the library would use; b) told us why the library should not be under > >>>> the GPL. > >>>> > >>>> Please design first according to the functionality you want to > >>>> implement, then think about the implementation. > >>> > >>> Licensing is one headache but the real challenge is that the QEMU block > >>> layer relies on the QEMU main loop and a bunch of other architecture. > >> > >> It doesn't really, not on Windows which has no AIO for example. That's > >> why I suggested: > >> > >> - assessing what code is GPL and what are the dependencies on it > > > So I tried trimming down the list of files needed to compile > > qemu tools, and here is a list: > > > Easy to relicense to LGPLv2+: > > block/raw.c none (GPLv2+: Red Hat, IBM) > > error.c LGPLv2 (Red Hat, IBM, Stefan Weil) > > iov.c GPLv2 (Red Hat, SuSE/Hannes Reinecke, Michael Tokarev) > > module.c GPLv2 (Red Hat, IBM, Blue Swirl) > > qemu-error.c GPLv2+ (Red Hat, Blue Swirl, IBM) > > trace/control.c GPLv2 (Lluis Vilanova) > > trace/default.c GPLv2 (Lluis Vilanova) > > > (I added some people to Cc. Lluis and Michael, can you also look at > > http://wiki.qemu.org/Relicensing if you're willing to relicense > > your past contributions from GPLv2 to GPLv2+?. Blue Swirl said > > he'd accept any other GPLv2 or GPLv3 compatible license, which > > should include LGPLv2+). > > I have no problems relicensing to "GPLv2 or later" or "GPLv3 or later". What about LGPLv2+? (Note the "L".) Stefan