On Thu, Oct 14, 2021 at 7:49 AM Christophe Leroy
[off-list ref] wrote:

We have three architectures using function descriptors, each with its
own name.

Add a common typedef that can be used in generic code.

Also add a stub typedef for architecture without function descriptors,
to avoid a forest of #ifdefs.

It replaces the similar func_desc_t previously defined in
arch/powerpc/kernel/module_64.c

Reviewed-by: Kees Cook <redacted>
Signed-off-by: Christophe Leroy <redacted>

Acked-by: Arnd Bergmann <arnd@arndb.de>