Re: getting rid of inter_module_xx

[Christoph Hellwig]

On Fri, Oct 22, 2004 at 01:08:08PM -0400, Jon Smirl wrote:
> I'm looking at getting rid of DRM's use of inter_module_xx. DRM makes
> use of this to locate and use the AGP module. AGP is an optional
> module since some system only have PCI graphics.
> 
> Right now DRM uses inter_module_get("AGP") to locate the module if it
> exists. It then changes behavior if this call secedes or fails.
> 
> If I remove inter_module_get("AGP") and use the symbols directly, such
> as agp_backend_acquire(), how do I resolve the symbol link when AGP is
> not loaded? If the symbols link as NULL DRM will see that and act
> correctly.

not at all.  Everything else in the kernel is compile-time depencies.
Just make the agp backend module mandatory if CONFIG_AGP is set, you'll
lose tons of complexity at a minimum amount of used memory, and as an
added benefit look like the rest of the kernel.

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