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From:   Paul Burton <paul.burton@mips.com>
To:     Masahiro Yamada <yamada.masahiro@socionext.com>
CC:     "linux-kbuild@vger.kernel.org" <linux-kbuild@vger.kernel.org>,
        "linux-mips@linux-mips.org" <linux-mips@linux-mips.org>,
        James Hogan <jhogan@kernel.org>,
        Michael Ellerman <mpe@ellerman.id.au>,
        Benjamin Herrenschmidt <benh@kernel.crashing.org>,
        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        Michal Marek <michal.lkml@markovi.net>,
        Paul Mackerras <paulus@samba.org>,
        Ralf Baechle <ralf@linux-mips.org>,
        "linuxppc-dev@lists.ozlabs.org" <linuxppc-dev@lists.ozlabs.org>
Subject: Re: [PATCH v2 1/2] kbuild: replace cc-name test with
 CONFIG_CC_IS_CLANG
Thread-Topic: [PATCH v2 1/2] kbuild: replace cc-name test with
 CONFIG_CC_IS_CLANG
Thread-Index: AQHUcFRQUdRvUBuRmUqUi+ZWeLGgeaU4ARIA
Date:   Tue, 30 Oct 2018 16:51:58 +0000
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References: <1540905994-6073-1-git-send-email-yamada.masahiro@socionext.com>
In-Reply-To: <1540905994-6073-1-git-send-email-yamada.masahiro@socionext.com>
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Hi Masahiro,

On Tue, Oct 30, 2018 at 10:26:33PM +0900, Masahiro Yamada wrote:
> Evaluating cc-name invokes the compiler every time even when you are
> not compiling anything, like 'make help'. This is not efficient.
>=20
> The compiler type has been already detected in the Kconfig stage.
> Use CONFIG_CC_IS_CLANG, instead.
>=20
> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
> Acked-by: Michael Ellerman <mpe@ellerman.id.au> (powerpc)

Looks good to me:

    Acked-by: Paul Burton <paul.burton@mips.com> (MIPS)

Thanks,
    Paul