Re: [Qemu-devel] [RFC] vmstate: Add copyrights for all cpus

[Paolo Bonzini]

On 11/08/2011 04:39 PM, Peter Maydell wrote:
> > > >>  + * This work is licensed under the terms of the GNU GPL, version 2.  See
> > > >>  + * the COPYING file in the top-level directory.
> > >
> > >  ... or later please.
> Need to be careful here. Marking something previously unmarked as
> GPLv2 is pretty clearly OK because the project license is v2 so
> the unmarked stuff was contributed either under that or under a
> compatible license. Marking as v2+ is on somewhat thinner ice
> IMHO and ideally we shouldn't do it without an ack from the
> relevant copyright owner.

Richard Fontana (who is not our lawyer, but still knows the GPL pretty 
well) posted a while ago his reasoning as to why it should be safe to 
consider files without a header to be GPLv2+.  Of course this is only as 
long as they do not contain GPLv2-only code from non-QEMU sources.

Paolo