Re: Linux GPL and binary module exception clause?

[viro]

On Sat, Dec 13, 2003 at 12:11:58AM +0000, Nix wrote:
> > 	Some approximation might be obtained by building all modules and
> > doing nm on them, with manual work for non-obvious cases.
> 
> Hang on, surely you can tell which symbols in modules are exported just
> by looking for expansions of EXPORT_SYMBOL{_GPL}? Why is this bit hard?

It's not a question of which symbols are exported by module, it's what
symbols are _imported_.

IOW, the hard question is "what modules use foo()", not "where do we define
foo()".  And while it's easy for a single symbol, we want it for _all_
exported symbols in the tree at once.
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