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Date:   Fri, 21 Feb 2020 09:22:43 +0000
From:   Will Deacon <will@kernel.org>
To:     Masahiro Yamada <masahiroy@kernel.org>
Cc:     Marek Szyprowski <m.szyprowski@samsung.com>,
        Linux Kbuild mailing list <linux-kbuild@vger.kernel.org>,
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Subject: Re: [PATCH] kbuild: use KBUILD_DEFCONFIG as the fallback for
 DEFCONFIG_LIST
Message-ID: <20200221092242.GA11448@willie-the-truck>
References: <CGME20200221085039eucas1p2b439c37eb04870cc020f452b7ad31929@eucas1p2.samsung.com>
 <20200216154502.26478-1-masahiroy@kernel.org>
 <e0212512-bc44-fc3a-a647-47eff86983b7@samsung.com>
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On Fri, Feb 21, 2020 at 06:18:50PM +0900, Masahiro Yamada wrote:
> On Fri, Feb 21, 2020 at 5:50 PM Marek Szyprowski
> <m.szyprowski@samsung.com> wrote:
> > This patch landed in today's linux-next (next-20200221) and broke arm64
> > builds:
> >
> > --->8---
> >
> > $ make ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- defconfig
> > *** Default configuration is based on 'defconfig'
> > #
> > # configuration written to .config
> > #
> > $ make ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- Image.gz
> > scripts/kconfig/conf  --syncconfig Kconfig
> > scripts/kconfig/conf  --syncconfig Kconfig
> > scripts/kconfig/conf  --syncconfig Kconfig
> > scripts/kconfig/conf  --syncconfig Kconfig
> > scripts/kconfig/conf  --syncconfig Kconfig
> > ...
> >
> > (endless loop)
> >
> > --->8---
> >
> > Reverting it fixes the issue:
> 
> 
> 
> My bad.
> 
> This is because arch/arm64/Makefile does not define
> KBUILD_DEFCONFIG.
> 
> 
> 
> I will drop it.
> 
> Sorry about that.

Thanks, Masahiro.

Will