netdev - Re: [PATCH RFC] [1/9] Core module symbol namespaces code and intro.

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Date:	Thu, 22 Nov 2007 04:37:01 +0100
From:	Andi Kleen <ak@...e.de>
To:	Arjan van de Ven <arjan@...radead.org>
Cc:	netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	sam@...nborg.org, rusty@...tcorp.com.au
Subject: Re: [PATCH RFC] [1/9] Core module symbol namespaces code and intro.


> I like this concept in general; I have one minor comment; right now
> your namespace argument is like
> 
> EXPORT_SYMBOL_NS(foo, some_symbol);
> 
> from a language-like pov I kinda wonder if it's nicer to do
> 
> EXPORT_SYMBOL_NS("foo", some_symbol);
> 
> because foo isn't something in C scope, but more a string-like
> identifier...

That wouldn't work for MODULE_ALLOW() because it appends the namespace
to other identifiers. I don't know of a way in the C processor to get
back from a string to a ## concatenable identifier.

For EXPORT_SYMBOL_NS it would be in theory possible, but making 
it asymmetric to MODULE_ALLOW would be ugly imho.

-Andi
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