linux-kernel - Re: [PATCH] Revert "Makefile: Do not quote value for CONFIG_CC_IMPLICIT

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Date:   Mon, 24 Jan 2022 14:45:04 -0600
From:   "Gustavo A. R. Silva" <gustavoars@...nel.org>
To:     Nick Desaulniers <ndesaulniers@...gle.com>
Cc:     Masahiro Yamada <masahiroy@...nel.org>,
        linux-kbuild@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arch@...r.kernel.org, Michal Marek <michal.lkml@...kovi.net>,
        carnil@...ian.org, Kees Cook <keescook@...omium.org>,
        Nathan Chancellor <nathan@...nel.org>
Subject: Re: [PATCH] Revert "Makefile: Do not quote value for
 CONFIG_CC_IMPLICIT_FALLTHROUGH"

On Mon, Jan 24, 2022 at 11:55:43AM -0800, Nick Desaulniers wrote:
> + Salvatore, Kees, Gustavo, Nathan
> 
> On Wed, Jan 19, 2022 at 9:31 PM Masahiro Yamada <masahiroy@...nel.org> wrote:
> >
> > This reverts commit cd8c917a56f20f48748dd43d9ae3caff51d5b987.
> >
> > Commit 129ab0d2d9f3 ("kbuild: do not quote string values in
> > include/config/auto.conf") provided the final solution.
> >
> > Now reverting the temporary workaround.
> >
> > Signed-off-by: Masahiro Yamada <masahiroy@...nel.org>
> 
> Reviewed-by: Nick Desaulniers <ndesaulniers@...gle.com>

Great!

Reviewed-by: Gustavo A. R. Silva <gustavoars@...nel.org>

Thanks
--
Gustavo

> 
> > ---
> >
> >  Makefile | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> >
> > diff --git a/Makefile b/Makefile
> > index 3f07f0f04475..c94559a97dca 100644
> > --- a/Makefile
> > +++ b/Makefile
> > @@ -778,7 +778,7 @@ stackp-flags-$(CONFIG_STACKPROTECTOR_STRONG)      := -fstack-protector-strong
> >  KBUILD_CFLAGS += $(stackp-flags-y)
> >
> >  KBUILD_CFLAGS-$(CONFIG_WERROR) += -Werror
> > -KBUILD_CFLAGS += $(KBUILD_CFLAGS-y) $(CONFIG_CC_IMPLICIT_FALLTHROUGH:"%"=%)
> > +KBUILD_CFLAGS += $(KBUILD_CFLAGS-y) $(CONFIG_CC_IMPLICIT_FALLTHROUGH)
> >
> >  ifdef CONFIG_CC_IS_CLANG
> >  KBUILD_CPPFLAGS += -Qunused-arguments
> > --
> > 2.32.0
> >
> 
> 
> -- 
> Thanks,
> ~Nick Desaulniers