Re: [PATCH 02/10] compiler.h: drop fallback overflow checkers

[Kees Cook]

On Fri, Sep 10, 2021 at 04:40:39PM -0700, Nick Desaulniers wrote:
> Once upgrading the minimum supported version of GCC to 5.1, we can drop
> the fallback code for !COMPILER_HAS_GENERIC_BUILTIN_OVERFLOW.
> 
> Effectively a revert of
> commit f0907827a8a9 ("compiler.h: enable builtin overflow checkers and
> add fallback code")
> 
> Link: https://github.com/ClangBuiltLinux/linux/issues/1438#issuecomment-916745801
> Suggested-by: Rasmus Villemoes <linux@xxxxxxxxxxxxxxxxxx>
> Signed-off-by: Nick Desaulniers <ndesaulniers@xxxxxxxxxx>

With Nathan's comments addressed:

Acked-by: Kees Cook <keescook@xxxxxxxxxxxx>

-Kees

-- 
Kees Cook