Adrian Bunk wrote:
> On Sun, Dec 02, 2007 at 09:03:56PM +0100, Patrick McHardy wrote:
>
>> For all I care binary modules can break, but frankly I don't see
>> how encapsulating a couple of structures and pointers in a new
>> structure and adding a new argument to existing functions shifts
>> the decision about how a function should be usable to the namespace
>> guys. IMO all functions should continue to be usable as before,
>> as decided by whoever actually wrote them.
>> ...
> 
> Even ignoring the fact that it's unclear whether distributing modules 
> with not GPLv2 compatible licences is legal at all or might bring you in 
> jail,

Agreed, lets ignore that :)

> your statement has an interesting implication:
> 
> Stuff like e.g. the EXPORT_SYMBOL(sk_alloc) predates the 
> EXPORT_SYMBOL_GPL stuff.
> 
> Who is considered the author of this code?
> 
> And when should he state whether he prefers to use EXPORT_SYMBOL_GPL 
> but wasn't able to use it at that when he wrote it since his code 
> predates it and is glad to be able to decide this now?


He can state it when he feels like it, I don't see the point.
Authors generally get to decide whether they use EXPORT_SYMBOL
or EXPORT_SYMBOL_GPL unless in cases where its really clear-cut
that EXPORT_SYMBOL is inapproriate. But thats a different matter.

If a symbol was OK to be used previously and something using it
would not automatically be considered a derived work, how does
passing &init_net to the function just to make the compiler
happy, avoid BUG_ONs and generally keep things working as before
make it more of a derived work?
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