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Date: Wed, 10 Dec 2014 21:38:18 +0100
From: Philippe Gerum <rpm@xenomai.org>
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Subject: Re: [Xenomai] __ipipe_root_status exported GPL only but used to be
 not GPL only and is breaking other code
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To: Lennart Sorensen <lsorense@csclub.uwaterloo.ca>
Cc: xenomai@xenomai.org

On 12/10/2014 09:11 PM, Lennart Sorensen wrote:
> On Wed, Dec 10, 2014 at 09:13:57PM +0100, Philippe Gerum wrote:
>> The point is about being able to discuss issues without starting useless
>> rants or flame wars.
> 
> I was not trying to.  I think I was getting frustrated chasing around
> git trees wondering why I could not figure out where the change came from.
> 
>> The I-pipe interface was moved to GPL_ONLY to clearly state that such
>> code intimately depends on the kernel innards, has to know about them to
>> function, and therefore any client code has to be GPL-compatible to
>> comply with the kernel license.
> 
> Well I think most of the interfaces were already GPL only even in 2.6.36
> from what I can tell, so nothing new there.
> 

GPL_ONLY is a clear statement that if somebody converts this to plain
EXPORT_SYMBOL() in the code in order to link whatever non-GPL module, he
is definitely and willingly violating the kernel license. This does make
a difference.

-- 
Philippe.