[PATCH v6 2/5] security: Count the LSMs enabled at compile time

[Kees Cook]

On Fri, Oct 06, 2023 at 10:46:58PM +0200, KP Singh wrote:
> These macros are a clever trick to determine a count of the number of
> LSMs that are enabled in the config to ascertain the maximum number of
> static calls that need to be configured per LSM hook.
> 
> Without this one would need to generate static calls for the total
> number of LSMs in the kernel (even if they are not compiled) times the
> number of LSM hooks which ends up being quite wasteful.
> 
> Suggested-by: Kui-Feng Lee <sinquersw at gmail.com>
> Suggested-by: Andrii Nakryiko <andrii at kernel.org>
> Acked-by: Song Liu <song at kernel.org>
> Signed-off-by: KP Singh <kpsingh at kernel.org>

Reviewed-by: Kees Cook <keescook at chromium.org>

-- 
Kees Cook