Re: [PATCH v1 06/10] asm-generic: Refactor dereference_[kernel]_function_descriptor()

From: Christophe Leroy
Date: Wed Oct 13 2021 - 07:20:40 EST




Le 13/10/2021 à 09:02, Kees Cook a écrit :
On Mon, Oct 11, 2021 at 05:25:33PM +0200, Christophe Leroy wrote:
dereference_function_descriptor() and
dereference_kernel_function_descriptor() are identical on the
three architectures implementing them.

Make it common.

Signed-off-by: Christophe Leroy <christophe.leroy@xxxxxxxxxx>
---
arch/ia64/include/asm/sections.h | 19 -------------------
arch/parisc/include/asm/sections.h | 9 ---------
arch/parisc/kernel/process.c | 21 ---------------------
arch/powerpc/include/asm/sections.h | 23 -----------------------
include/asm-generic/sections.h | 18 ++++++++++++++++++
5 files changed, 18 insertions(+), 72 deletions(-)

A diffstat to love. :)

Reviewed-by: Kees Cook <keescook@xxxxxxxxxxxx>

Unless somebody minds, I will make them out of line as
suggested by Helge in he's comment to patch 4.

Allthough there is no spectacular size reduction, the functions
are not worth being inlined as they are not used in critical pathes.