[Xen-devel] License problems

[Bastian Blank <bastian@xxxxxxxxxxxx>]

Hi folks

I did some license review of Xen. I found some problems. At least one
part is undistributable as it stands.

mini-os
=======
mini-os consists of parts with a MIT-style license, parts with GPL v2
and parts with a 4-clause BSD:
| extras/mini-os/include/lib.h: BSD (4 clause)
| extras/mini-os/include/lib.h: BSD (4 clause)
| extras/mini-os/lib/printf.c: BSD (4 clause)
| extras/mini-os/lib/math.c: BSD (4 clause)

The 4-clause BSD license is considered incompatible with the GPL[1].

public headers
==============
All the public headers in xen/include/public are supposed to be licensed
under a MIT-style license, however some files lists other licenses.

| xen/include/public/arch-ia64/debug_op.h: GPL (v2 or later) (with incorrect 
FSF address)
| xen/include/public/arch-ia64/hvm/memmap.h: GPL (v2 or later) (with incorrect 
FSF address)
| xen/include/public/arch-ia64/hvm/save.h: GPL (v2 or later) (with incorrect 
FSF address)
| xen/include/public/arch-ia64/sioemu.h: GPL (v2 or later) (with incorrect FSF 
address)
| xen/include/public/mem_event.h: GPL (v2 or later) (with incorrect FSF address)
| xen/include/public/xsm/flask_op.h: *No copyright* GPL (v2,)
| xen/include/public/xsm/flask_op.h: *No copyright* GPL (v2,)

Bastian

[1]: 
http://en.wikipedia.org/wiki/BSD_licenses#4-clause_license_.28original_.22BSD_License.22.29

-- 
The joys of love made her human and the agonies of love destroyed her.
                -- Spock, "Requiem for Methuselah", stardate 5842.8

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