linux-kernel - Re: Dual-Licensing Linux Kernel with GPL V2 and GPL V3

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Date:	Fri, 15 Jun 2007 15:46:54 +0100
From:	Paulo Marques <pmarques@...popie.com>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
CC:	Bernd Paysan <bernd.paysan@....de>,
	Al Viro <viro@....linux.org.uk>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Krzysztof Halasa <khc@...waw.pl>, linux-kernel@...r.kernel.org
Subject: Re: Dual-Licensing Linux Kernel with GPL V2 and GPL V3

Alan Cox wrote:
>> But COPYING *is* the entire text and starts with: "
>> 		    GNU GENERAL PUBLIC LICENSE
>> 		       Version 2, June 1991"
>>
>> so there is no confusion about the version.
> 
> The version of the COPYING file (and the licence document), not of the
> licence on the code.
> 
>>> Wrong.
>> Why do you say "Wrong"? Have you contributed some code to the kernel 
>> thinking that the kernel was "v2 or later", only to find out later that 
>> it wasn't?
> 
> A fair bit of the kernel is probably v2 or later but not all of it and
> that shouldn't really matter as regards the kernel anyway, the GPLv2 only
> bits (if v2 only is a valid status) anchor it.

So we are violently agreeing, then?

This sub-thread started by me showing that:

> $ find -name "*.c" | xargs grep "any later version" | wc -l
> 3138
> $ find -name "*.c" | wc -l
> 9482

This is a somewhat crude measure but it shows that only about 30% of the 
kernel is "v2 or later" and those pieces could be used on some other "v2 
or later" project (including v3). But the kernel as a whole is v2 and my 
point was that the claim that there are just a few "v2 only" files was 
bogus.

-- 
Paulo Marques - www.grupopie.com

"As far as we know, our computer has never had an undetected error."
Weisert
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