Re: [Qemu-devel] fpu/softfloat.c licensing

[Alexander Graf <agraf@suse.de>]

On 21.05.14 11:17, Peter Maydell wrote:
> On 21 May 2014 08:51, Paolo Bonzini <pbonzini@redhat.com> wrote:
>> Il 21/05/2014 05:54, Alexey Kardashevskiy ha scritto:
>>
>>> Hi!
>>>
>>> We recently discovered that not entire QEMU is GPL2-compatible, the fpu
>>> emulation has a different license (copied below) which might create legal
>>> problems because of that "INDEMNIFY" statement.
>>>
>>> Does anyone else care (except IBM)?
>>>
>>> What would the proper solution be? Ask the creator to relicense it under
>>> GPL? I failed to find a contact as the homepage on berkeley.edu is
>>> restricted. Rewrite the code? This code is used in FPU emulation for TCG,
>>> is that the only use of it? If it should not get called for KVM, that
>>> would
>>> be a temporary band-aid for us :)
>>
>> http://marc.info/?l=qemu-devel&m=136725946312880&w=4
>>
>> The following people haven't acked the relicensing of their contributions
>> from softfloat-2b to softfloat-2a or GPLv2+ yet:
>>
>> Fabrice Bellard <fabrice@bellard.org>
>>          1d6bda356153c82e100680d9f2165e32c8fb1330
> Some float-to-int conversions, comparisons, chs, abs.
>
>>          750afe93fd15fafc20b6c34d30f339547d15c2d1
> Trivial bulk change of 'flag' and 'char' return types to 'int'.
>
>> Jocelyn Mayer
>>          75d62a585629cdc1ae0d530189653cb1d8d9c53c
> uint64_to_float32() and uint64_to_float64() would need
> redoing -- the rest have been completely rewritten or deleted.
>
>> Thiemo Seufer's parents (Stefan said he'd contact them)
>>          5a6932d51d1b34b68b3f10fc5ac65598bece88c0
> SNAN_BIT_IS_ONE support.
>
>>          924b2c07cdfaba9ac408fc5fa77da75a570f9dc5
> Trivial fixes to a few busted prototypes.
>
>>          b645bb48850fea8db017026897827f0ab42fbdea
> Also SNAN_BIT_IS_ONE support.
>
>>          fc81ba536bc3d8cdbcf9e92369e9bc5ede69da10
> fc81ba5 is changes to code which has been deleted since.
>
>
> I think we could, if we had to, rewrite those pieces. It would
> be nice if we could at least get an ack from Fabrice though.

Yeah - Fabrice, could you please take a quick minute and take a look at 
this and possibly ack the original patch?

   http://marc.info/?l=qemu-devel&m=136725946312880&w=4

Thanks a lot!


Alex