Re: [Qemu-devel] [RFC] introduce a dynamic library to expose qemu block API

["Lluís Vilanova" <vilanova@ac.upc.edu>]

Paolo Bonzini writes:

> Il 13/07/2012 11:51, Paolo Bonzini ha scritto:
>> Il 13/07/2012 11:16, Stefan Hajnoczi ha scritto:
>>>> "Working around the QEMU block layer license" is not a goal per se,
>>>> especially because you haven't a) assessed _what_ is the GPL code that
>>>> the library would use; b) told us why the library should not be under
>>>> the GPL.
>>>> 
>>>> Please design first according to the functionality you want to
>>>> implement, then think about the implementation.
>>> 
>>> Licensing is one headache but the real challenge is that the QEMU block
>>> layer relies on the QEMU main loop and a bunch of other architecture.
>> 
>> It doesn't really, not on Windows which has no AIO for example.  That's
>> why I suggested:
>> 
>> - assessing what code is GPL and what are the dependencies on it

> So I tried trimming down the list of files needed to compile
> qemu tools, and here is a list:

> Easy to relicense to LGPLv2+:
> block/raw.c                     none (GPLv2+: Red Hat, IBM)
> error.c                         LGPLv2 (Red Hat, IBM, Stefan Weil)
> iov.c                           GPLv2 (Red Hat, SuSE/Hannes Reinecke, Michael Tokarev)
> module.c                        GPLv2 (Red Hat, IBM, Blue Swirl)
> qemu-error.c                    GPLv2+ (Red Hat, Blue Swirl, IBM)
> trace/control.c                 GPLv2 (Lluis Vilanova)
> trace/default.c                 GPLv2 (Lluis Vilanova)

> (I added some people to Cc.  Lluis and Michael, can you also look at
> http://wiki.qemu.org/Relicensing if you're willing to relicense
> your past contributions from GPLv2 to GPLv2+?.  Blue Swirl said 
> he'd accept any other GPLv2 or GPLv3 compatible license, which
> should include LGPLv2+).

I have no problems relicensing to "GPLv2 or later" or "GPLv3 or later".


Lluis

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