Re: [PATCH v1 04/10] asm-generic: Use HAVE_DEREFERENCE_FUNCTION_DESCRIPTOR to define associated stubs

From: Christophe Leroy
Date: Thu Oct 14 2021 - 03:20:39 EST




Le 13/10/2021 à 09:00, Kees Cook a écrit :
On Mon, Oct 11, 2021 at 05:25:31PM +0200, Christophe Leroy wrote:
Use HAVE_DEREFERENCE_FUNCTION_DESCRIPTOR instead of 'dereference_function_descriptor'
to know whether arch has function descriptors.

Signed-off-by: Christophe Leroy <christophe.leroy@xxxxxxxxxx>

I'd mention the intentionally-empty #if/#else in the commit log, as I,
like Helge, mentally tripped over it in the review. :)

Reviewed-by: Kees Cook <keescook@xxxxxxxxxxxx>


Ok, I did it in v2.

I also renamed it HAVE_FUNCTION_DESCRIPTORS because behind the fact that it has some functions to dereference function descriptor, the main fact is that they have and use function descriptors.

Christophe