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

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Message-ID: <20071122035237.GB15764@redhat.com>
Date:	Wed, 21 Nov 2007 22:52:37 -0500
From:	Dave Jones <davej@...hat.com>
To:	Andi Kleen <ak@...e.de>
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.

On Thu, Nov 22, 2007 at 03:43:06AM +0100, Andi Kleen wrote:

 > There seems to be rough consensus that the kernel currently has too many 
 > exported symbols. A lot of these exports are generally usable utility 
 > functions or important driver interfaces; but another large part are functions
 > intended by only one or two very specific modules for a very specific purpose.
 > One example is the TCP code. It has most of its internals exported, but 
 > only for use by tcp_ipv6.c (and now a few more by the TCP/IP congestion modules) 
 > But it doesn't make sense to include these exported for a specific module
 > functions into a broader "kernel interface".   External modules assume
 > they can use these functions, but they were never intended for that.
 > 
 > 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.

I really like this patchset.   Definitely a step in the right direction imo.
Looks like some nits there that checkpatch will probably pick up on,
but otherwise, looks very straightforward too.

Kudos.

	Dave

-- 
http://www.codemonkey.org.uk
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