On Thursday 22 November 2007 22:05:45 Christoph Hellwig wrote:
> On Thu, Nov 22, 2007 at 02:56:22PM +1100, Rusty Russell wrote:
> > This is an interesting idea, thanks for the code! My only question
> > is whether we can get most of this benefit by dropping the indirection of
> > namespaces and have something like "EXPORT_SYMBOL_TO(sym, modname)"? It
> > doesn't work so well for exporting to a group of modules, but that seems
> > a reasonable line to draw anyway.
>
> I'd say exporting to a group of modules is the main use case. E.g. in
> scsi there would be symbols exported to transport class modules only
> or lots of the vfs_ symbols would be exported only to stackable filesystems
> or nfsd.
That's my point. If there's a whole class of modules which can use a symbol,
why are we ruling out external modules? If that's what you want, why not
have a list of permitted modules compiled into the kernel and allow no
others?
Cheers,
Rusty.
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