linux-kernel - Re: [PATCH v4 30/31] gcc-plugins: allow to enable GCC_PLUGINS for COMPILE

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Message-ID: <CAGXu5jKjHAnT8666MVWzfK3ZYqwqf3hhDKmJ4gJZ8NUeqM==Aw@mail.gmail.com>
Date:   Wed, 16 May 2018 23:27:33 -0700
From:   Kees Cook <keescook@...omium.org>
To:     Masahiro Yamada <yamada.masahiro@...ionext.com>
Cc:     linux-kbuild <linux-kbuild@...r.kernel.org>,
        Linus Torvalds <torvalds@...ux-foundation.org>,
        Sam Ravnborg <sam@...nborg.org>,
        Ulf Magnusson <ulfalizer@...il.com>,
        "Luis R . Rodriguez" <mcgrof@...nel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Nicholas Piggin <npiggin@...il.com>,
        Emese Revfy <re.emese@...il.com>, X86 ML <x86@...nel.org>
Subject: Re: [PATCH v4 30/31] gcc-plugins: allow to enable GCC_PLUGINS for COMPILE_TEST

On Wed, May 16, 2018 at 11:17 PM, Masahiro Yamada
<yamada.masahiro@...ionext.com> wrote:
> Now that the compiler's plugin support is checked in Kconfig,
> all{yes,mod}config will not be bothered.
>
> Remove 'depends on !COMPILE_TEST' for GCC_PLUGINS.
>
> 'depends on !COMPILE_TEST' for the following three are still kept:
>   GCC_PLUGIN_CYC_COMPLEXITY
>   GCC_PLUGIN_STRUCTLEAK_VERBOSE
>   GCC_PLUGIN_RANDSTRUCT_PERFORMANCE
>
> Kees said to do so because the first two are too noisy, and the last
> one would reduce the compile test coverage.  I commented the reasons
> in arch/Kconfig.
>
> Signed-off-by: Masahiro Yamada <yamada.masahiro@...ionext.com>

I'm really looking forward to these being enabled for COMPILE_TEST. :)

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

-Kees

-- 
Kees Cook
Pixel Security