From mboxrd@z Thu Jan 1 00:00:00 1970 From: Michael Paesold Subject: Re: Is anyone working on HVM Paravirt drivers for windows? Date: Thu, 16 Nov 2006 21:46:00 +0100 Message-ID: <455CCE08.1030309@gmx.at> References: <5961D1CE9895844DAC92BAF285996DF2017E2CF9@G3W0065.americas.hpqcorp.net> <20061114181641.6f6a4358@localhost.localdomain> <20061115132503.GK7490@edu.joroinen.fi> <455AD2BB.E57C.0030.0@novell.com> <1163694863.24087.44.camel@localhost> <455CB8AC.1030905@gmx.at> <20061116195232.GG11977@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20061116195232.GG11977@redhat.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xensource.com Errors-To: xen-devel-bounces@lists.xensource.com To: "Daniel P. Berrange" Cc: Hiromichi Itou , Xen Devel , "Bruce J (HP-Labs) Walker" , Ky Srinivasan , aball@linux.vnet.ibm.com, Alan List-Id: xen-devel@lists.xenproject.org Daniel P. Berrange wrote: > On Thu, Nov 16, 2006 at 08:14:52PM +0100, Michael Paesold wrote: >> Andrew D. Ball wrote: >>> That would be sad, but is possible. Just like I don't believe Linux >>> drivers should be allowed to be non-GPL, not allowing drivers for >>> Windows to be GPL makes sense, unless the kernel is organized with much >>> more isolation as more of a microkernel. >>> >>> Anyone's more informed thoughts on this would be appreciated. >>> >>> Peace. >>> Andrew >>> >>> On Wed, 2006-11-15 at 07:46 -0700, Ky Srinivasan wrote: >>>> I may be wrong here; but I think windows drivers cannot be open-sourced. >>>> I recall reading that in windows DDK documentation. >> I don't believe the problem is with Windows drivers, but with the Windows >> Driver Development Kit. The DDK has a license incompatible with the GPL. I >> think writing a driver without the kit would still be possible, although >> difficult because it would require much more knowledge about the Windows >> kernel. > > Just do a chinese wall, clean room implementation then. One person has the > DDK and writes a spec for the driver. The second writes the actual driver > based on the spec - never looking at the DDK directly. A little more work > sure, but certainly doable. Yes, of course. Just find two guys to do the work. ;-) Best Regards Michael Paesold