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Date:   Mon, 20 Nov 2017 10:25:07 +0000
From:   James Hogan <james.hogan@mips.com>
To:     Guenter Roeck <linux@roeck-us.net>
CC:     Paul Burton <paul.burton@imgtec.com>, <linux-mips@linux-mips.org>,
        Ralf Baechle <ralf@linux-mips.org>,
        <linux-kernel@vger.kernel.org>
Subject: Re: [22/26] MIPS: generic: Introduce generic DT-based board support
Message-ID: <20171120102507.GD27409@jhogan-linux.mipstec.com>
References: <20160826153725.11629-23-paul.burton@imgtec.com>
 <20171119034325.GA17384@roeck-us.net>
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On Sat, Nov 18, 2017 at 07:43:25PM -0800, Guenter Roeck wrote:
> On Fri, Aug 26, 2016 at 04:37:21PM +0100, Paul Burton wrote:
> > Introduce a "generic" platform, which aims to be board-agnostic by
> > making use of device trees passed by the boot protocol defined in the
> > MIPS UHI (Universal Hosting Interface) specification. Provision is made
> > for supporting boards which use a legacy boot protocol that can't be
> > changed, but adding support for such boards or any others is left to
> > followon patches.
> > 
> > Right now the built kernels expect to be loaded to 0x80100000, ie. in
> > kseg0. This is fine for the vast majority of MIPS platforms, but
> > nevertheless it would be good to remove this limitation in the future by
> > mapping the kernel via the TLB such that it can be loaded anywhere & map
> > itself appropriately.
> > 
> > Configuration is handled by dynamically generating configs using
> > scripts/kconfig/merge_config.sh, somewhat similar to the way powerpc
> > makes use of it. This allows for variations upon the configuration, eg.
> > differing architecture revisions or subsets of driver support for
> > differing boards, to be handled without having a large number of
> > defconfig files.
> > 
> > Signed-off-by: Paul Burton <paul.burton@imgtec.com>
> 
> Guess it is known that this patch causes failures when building
> "allmodconfig" on test systems such as 0day; it was reported by 0day
> some two months ago. nevertheless, the patch found its way into mainline
> without fix. Does anyone care, or should I simply disable "allmodconfig"
> test builds for mips ?

Hi Guenter,

I can't find any emails from 0day in relation to this patch (I've also
dug about on the kbuild-all archives without success). Could you link to
or quote the build failure you're referring to.

Thanks
James

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