Re: PATCH: get_module_symbol() not SMP-safe

From: Keith Owens (
Date: Tue May 09 2000 - 04:12:08 EST

On Tue, 09 May 2000 10:05:09 +0100,
David Woodhouse <> wrote:
>I could actually get away with the same myself; I only call it from an init
>routine too. But even so, I think it's wrong to make that restriction on
>callers of get_module_symbol().

Callers of module services are already restricted, the module code
expects them to be holding the big kernel lock. Anybody can call
get_module_symbol() as long as they lock_kernel() first. You do not
have to be in an init_module routine. OTOH, why would anybody look for
module symbols anywhere except from init_module? You do the fixups
once, when the module is loaded.

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