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

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Message-Id: <200711261228.15155.rusty@rustcorp.com.au>
Date:	Mon, 26 Nov 2007 12:28:14 +1100
From:	Rusty Russell <rusty@...tcorp.com.au>
To:	Roland Dreier <rdreier@...co.com>
Cc:	Andi Kleen <ak@...e.de>, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, sam@...nborg.org
Subject: Re: [PATCH RFC] [1/9] Core module symbol namespaces code and intro.

On Monday 26 November 2007 07:27:03 Roland Dreier wrote:
>  > This patch allows to export symbols only for specific modules by
>  > introducing symbol name spaces. A module name space has a white
>  > list of modules that are allowed to import symbols for it; all others
>  > can't use the symbols.
>  >
>  > It adds two new macros:
>  >
>  > MODULE_NAMESPACE_ALLOW(namespace, module);
>
> I definitely like the idea of organizing exported symbols into
> namespaces.  However, I feel like it would make more sense to have
> something like
>
> MODULE_NAMESPACE_IMPORT(namespace);

Except C doesn't have namespaces and this mechanism doesn't create them.  So 
this is just complete and utter makework; as I said before, noone's going to 
confuse all those udp_* functions if they're not in the udp namespace.

For better or worse, this is not C++.

Rusty.
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