linux-kernel - Re: [PATCH 04/13] kbuild: remove unused quiet_cmd_update_lto

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Date:   Wed, 18 Aug 2021 23:19:31 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Masahiro Yamada <masahiroy@...nel.org>
Cc:     linux-kbuild@...r.kernel.org,
        Sami Tolvanen <samitolvanen@...gle.com>,
        linux-kernel@...r.kernel.org,
        Michal Marek <michal.lkml@...kovi.net>,
        Nick Desaulniers <ndesaulniers@...gle.com>
Subject: Re: [PATCH 04/13] kbuild: remove unused
 quiet_cmd_update_lto_symversions

On Thu, Aug 19, 2021 at 09:57:35AM +0900, Masahiro Yamada wrote:
> This is not used anywhere.

Ah-ha, I see: cmd_update_lto_symversions is never used through a
$(call cmd, ...) invocation.

Reviewed-by: Kees Cook <keescook@...omium.org>

-Kees

> 
> Signed-off-by: Masahiro Yamada <masahiroy@...nel.org>
> ---
> 
>  scripts/Makefile.build | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/scripts/Makefile.build b/scripts/Makefile.build
> index 3e4cd1439cd4..279363266455 100644
> --- a/scripts/Makefile.build
> +++ b/scripts/Makefile.build
> @@ -411,7 +411,6 @@ $(subdir-builtin): $(obj)/%/built-in.a: $(obj)/% ;
>  $(subdir-modorder): $(obj)/%/modules.order: $(obj)/% ;
>  
>  # combine symversions for later processing
> -quiet_cmd_update_lto_symversions = SYMVER  $@
>  ifeq ($(CONFIG_LTO_CLANG) $(CONFIG_MODVERSIONS),y y)
>        cmd_update_lto_symversions =					\
>  	rm -f $@...mversions						\
> -- 
> 2.30.2
> 

-- 
Kees Cook