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Date:   Tue, 8 Sep 2020 16:43:50 +0300
From:   Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To:     Ingo Molnar <mingo@kernel.org>
Cc:     Thomas Gleixner <tglx@linutronix.de>,
        Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
        x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
        linux-kernel@vger.kernel.org,
        Jarkko Nikula <jarkko.nikula@linux.intel.com>,
        Tony Luck <tony.luck@intel.com>
Subject: Re: [PATCH v1] x86/defconfigs: Unbreak 32-bit defconfig builds
Message-ID: <20200908134350.GX1891694@smile.fi.intel.com>
References: <20200908100018.50188-1-andriy.shevchenko@linux.intel.com>
 <20200908121354.GA3848343@gmail.com>
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On Tue, Sep 08, 2020 at 02:13:54PM +0200, Ingo Molnar wrote:
> 
> * Andy Shevchenko <andriy.shevchenko@linux.intel.com> wrote:
> 
> > After the commit 1d0e12fd3a84 ("x86/defconfigs: Refresh defconfig files")
> > 32-bit builds using defconfig become broken because on x86_64 build host
> > with no ARCH provided the default behaviour is to assume 64-bit independently
> > on the configuration file name. The crucial part is CONFIG_64BIT option
> > that used to be explicit. Let restore the latter option in order to unbreak
> > 32-bit builds.
> 
> So exactly which build method broke due to this? The typical way to do a defconfig build is:
> 
>   make ARCH=i386 defconfig
> 
> which still works fine AFAICS.

uname => x86_64
make i386_defconfig

It was very convenient to not supply ARCH when build on multi-arch host.

-- 
With Best Regards,
Andy Shevchenko