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Re: [Qemu-devel] [PATCH v2 00/11] qemu: use virtio linux headers in port

From: Anthony Liguori
Subject: Re: [Qemu-devel] [PATCH v2 00/11] qemu: use virtio linux headers in portable code
Date: Wed, 29 May 2013 08:05:29 -0500
User-agent: Notmuch/0.15.2+77~g661dcf8 (http://notmuchmail.org) Emacs/23.3.1 (x86_64-pc-linux-gnu)

Rusty Russell <address@hidden> writes:

> Anthony Liguori <address@hidden> writes:
>> The headers say they are BSD licensed... but they include a GPLv2+
>> header.  Doesn't make a lot of sense, does it?
> It makes perfect sense: you're overthinking it.  It just means that
> copying the BSD headers outside Linux is encouraged.

Copying by hand and modifying.  This patch series attempts to do it
automatically within QEMU.

> And it's clearly nonsensical to claim the GPL on kernel headers means
> that userspace needs to be GPL.  So please ignore this licensing
> red-herring.

You're missing context, I suspect.  This series is trying to
automatically copy the headers from Linux.  We currently have a manually
copied version.

The headers are not currently well suited for automatic copying because
(1) they use kernel types (2) they pull in dependencies from throughout
the kernel.

This discussion comes down to whether we want to make it easier to
automatically copy the headers or do we maintain the status quo and
require manual munging to pull in the headers.


Anthony Liguori

> And we'll bikeshed the headers in the standard when we have to :)  They
> certainly don't need to be cut&paste into the kernel sources.
> Cheers,
> Rusty.

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