Messages in this thread |  | | Date | Wed, 21 Nov 2007 22:52:37 -0500 | | From | Dave Jones <> | | Subject | Re: [PATCH RFC] [1/9] Core module symbol namespaces code and intro. |
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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
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