[Xen-devel] Re: Licensing conflict with OpenAFS kernel module

[Anthony Liguori <aliguori@xxxxxxxxxx>]

Sidney Cammeresi wrote:
> On Wed, 26 Apr 2006 at 10.27.42 -0500, Anthony Liguori wrote:
>   
> > Sidney Cammeresi wrote:
> >     
> > > I recently upgraded two Xen domU instances from 2.6.12.6 to 2.6.16.
> > > Because I am running the OpenAFS client on each of them, I took the
> > > opportunity to upgrade that (from 1.4.0 to 1.4.1) which required building
> > > a new kernel module.  (The AFS client is partly in userspace and partly
> > > in the kernel.)
> > >
> > > Loading the new module failed:
> > >
> > >                 openafs: Unknown symbol force_evtchn_callback
> > >                 openafs: Unknown symbol xen_features
> > >       
> > I think you should urge OpenAFS to relicense their module under the GPL.
> >     
> Well this is not their decision given that the code came from IBM in
> the first place.
>
> I note, however, your ibm.com e-mail address.  Do you perhaps know the
> channels in IBM to go through to discuss IBM relicensing their code under
> the GPL?
>   
I'd suggest bringing this up within the OpenAFS community.  If they are 
making direct use of Xen-specific functions, then they can potentially 
find a work around.
If we've made it so that a non-GPL symbol depends on one of our GPL'd 
symbols, then that may be a problem on our part.  I don't know whether 
this is an acceptable thing to do.  Sounds like an issue that needs to 
be discussed on LKML.
Regards,

Anthony Liguori


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