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

From: Paolo Bonzini
Subject: Re: [Qemu-devel] [RFC] introduce a dynamic library to expose qemu block API
Date: Fri, 13 Jul 2012 11:51:10 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:13.0) Gecko/20120615 Thunderbird/13.0.1

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

- only including the formats in the library + a synchronous file
protocol.  No NBD, no libiscsi, no hdev, etc.

My suspicion is that with this strategy the only complicated dependency
is on coroutines.


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