Re: [PATCH 3/6] [v3] kbuild: turn on -Wrestrict by default

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On Mon, Apr 15, 2024 at 02:20:34PM +0200, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@xxxxxxxx>
> 
> All known -Wrestrict warnings are addressed now, so don't disable the warning
> any more.

Ah, great! Yes, I know Gatlin was also looking at this and doing a bunch
of builds across compiler versions to verify this was ready to do too.
Gatlin, are you able to provide a "Tested-by:" tag for this patch?

-Kees

> 
> Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
> ---
>  scripts/Makefile.extrawarn | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/scripts/Makefile.extrawarn b/scripts/Makefile.extrawarn
> index 8b3f5b62b837..95466a04d51b 100644
> --- a/scripts/Makefile.extrawarn
> +++ b/scripts/Makefile.extrawarn
> @@ -98,7 +98,6 @@ else
>  # Suppress them by using -Wno... except for W=1.
>  KBUILD_CFLAGS += $(call cc-disable-warning, unused-but-set-variable)
>  KBUILD_CFLAGS += $(call cc-disable-warning, unused-const-variable)
> -KBUILD_CFLAGS += $(call cc-disable-warning, restrict)
>  KBUILD_CFLAGS += $(call cc-disable-warning, packed-not-aligned)
>  KBUILD_CFLAGS += $(call cc-disable-warning, format-overflow)
>  KBUILD_CFLAGS += $(call cc-disable-warning, format-truncation)
> -- 
> 2.39.2
> 

-- 
Kees Cook




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