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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 13:33:39 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:13.0) Gecko/20120615 Thunderbird/13.0.1 |
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+).
Harder to relicense to LGPLv2+:
block/vdi.c GPLv2+
"Good" license:
aes.c BSD
async.c BSD
block.c BSD
block/bochs.c BSD
block/cloop.c BSD
block/cow.c BSD
block/dmg.c BSD
block/parallels.c BSD
block/qcow.c BSD
block/qcow2-cache.c BSD
block/qcow2-cluster.c BSD
block/qcow2-refcount.c BSD
block/qcow2-snapshot.c BSD
block/qcow2.c BSD
block/qed-check.c BSD
block/qed-cluster.c BSD
block/qed-gencb.c BSD
block/qed-l2-cache.c BSD
block/qed-table.c BSD
block/qed.c BSD
block/vmdk.c BSD
block/vpc.c BSD
block/vvfat.c BSD
cutils.c BSD
osdep.c BSD
oslib-posix.c BSD
qemu-coroutine-io.c BSD
qemu-coroutine-lock.c BSD
qemu-option.c BSD
qemu-progress.c BSD
coroutine-ucontext.c LGPLv2+
json-lexer.c LGPLv2+
json-parser.c LGPLv2+
json-streamer.c LGPLv2+
qbool.c LGPLv2+
qdict.c LGPLv2+
qemu-coroutine.c LGPLv2+
qerror.c LGPLv2+
qfloat.c LGPLv2+
qint.c LGPLv2+
qjson.c LGPLv2+
qlist.c LGPLv2+
qstring.c LGPLv2+
Doesn't need to be included in a library:
qemu-tool.c GPLv2
Autogenerated:
trace.c
Remaining undefined symbols:
qemu_aio_flush
qemu_aio_wait
qemu_free_timer
qemu_new_timer
qemu_mod_timer
qemu_del_timer
qemu_get_clock_ns
vm_clock
+ those defined in qemu-tool.c
Paolo
- [Qemu-devel] [RFC] introduce a dynamic library to expose qemu block API, Wenchao Xia, 2012/07/09
- Re: [Qemu-devel] [RFC] introduce a dynamic library to expose qemu block API, Paolo Bonzini, 2012/07/09
- Re: [Qemu-devel] [RFC] introduce a dynamic library to expose qemu block API, Wenchao Xia, 2012/07/10
- Re: [Qemu-devel] [RFC] introduce a dynamic library to expose qemu block API, Paolo Bonzini, 2012/07/10
- Re: [Qemu-devel] [RFC] introduce a dynamic library to expose qemu block API, Stefan Hajnoczi, 2012/07/13
- Re: [Qemu-devel] [RFC] introduce a dynamic library to expose qemu block API, Paolo Bonzini, 2012/07/13
- Re: [Qemu-devel] [RFC] introduce a dynamic library to expose qemu block API,
Paolo Bonzini <=
- Re: [Qemu-devel] [RFC] introduce a dynamic library to expose qemu block API, Michael Tokarev, 2012/07/13
- Re: [Qemu-devel] [RFC] introduce a dynamic library to expose qemu block API, Blue Swirl, 2012/07/13
- Re: [Qemu-devel] [RFC] introduce a dynamic library to expose qemu block API, Stefan Weil, 2012/07/13
- Re: [Qemu-devel] [RFC] introduce a dynamic library to expose qemu block API, Lluís Vilanova, 2012/07/13
- Re: [Qemu-devel] [RFC] introduce a dynamic library to expose qemu block API, Stefan Hajnoczi, 2012/07/16
- Re: [Qemu-devel] [RFC] introduce a dynamic library to expose qemu block API, Lluís Vilanova, 2012/07/23
- Re: [Qemu-devel] [RFC] introduce a dynamic library to expose qemu block API, Paolo Bonzini, 2012/07/23
- Re: [Qemu-devel] [RFC] introduce a dynamic library to expose qemu block API, Lluís Vilanova, 2012/07/24
- Re: [Qemu-devel] [RFC] introduce a dynamic library to expose qemu block API, Wenchao Xia, 2012/07/16
- Re: [Qemu-devel] [RFC] introduce a dynamic library to expose qemu block API, Paolo Bonzini, 2012/07/16