Re: [PATCH v8] acpi, apei, arm64: APEI initial support for aarch64.

From	Ard Biesheuvel <ard.biesheuvel@linaro.org>
Newsgroups	linux.kernel
Subject	Re: [PATCH v8] acpi, apei, arm64: APEI initial support for aarch64.
Date	2016-03-31 10:00 +0200
Message-ID	<riFGi-1EX-5@gated-at.bofh.it> (permalink)
References	<rhWzw-2QS-27@gated-at.bofh.it> <riigG-1wq-13@gated-at.bofh.it> <riszo-r5-11@gated-at.bofh.it>
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On 30 March 2016 at 19:55, Fu Wei <fu.wei@linaro.org> wrote:
> Hi Tomasz
>
> On 30 March 2016 at 14:50, kbuild test robot <lkp@intel.com> wrote:
>> Hi Tomasz,
>>
>> [auto build test WARNING on arm64/for-next/core]
>> [also build test WARNING on v4.6-rc1 next-20160330]
>> [if your patch is applied to the wrong git tree, please drop us a note to help improving the system]
>>
>> url:    https://github.com/0day-ci/linux/commits/fu-wei-linaro-org/acpi-apei-arm64-APEI-initial-support-for-aarch64/20160329-154730
>> base:   https://git.kernel.org/pub/scm/linux/kernel/git/arm64/linux for-next/core
>> config: arm64-allyesconfig (attached as .config)
>> reproduce:
>>         wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
>>         chmod +x ~/bin/make.cross
>>         # save the attached .config to linux build tree
>>         make.cross ARCH=arm64
>>
>> All warnings (new ones prefixed by >>):
>>
>> warning: (ACPI_APEI) selects EFI which has unmet direct dependencies (OF && !CPU_BIG_ENDIAN)
>
> I think it's caused by  CPU_BIG_ENDIAN, because  ARM64 selects OF.
>

No, as I pointed out, it is caused by the fact that you 'select' EFI
rather than 'depend on' it.

> Any suggestion ?
>

replace

select EFI if ARM64

with

depends on EFI || !ARM64

but it would be even better to make ACPI_APEI depend on ACPI, since
the above dependency will be implied then, although I am not sure how
that affects other architectures.

-- 
Ard.

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[PATCH v8] acpi, apei, arm64: APEI initial support for aarch64. fu.wei@linaro.org - 2016-03-29 09:50 +0200
  Re: [PATCH v8] acpi, apei, arm64: APEI initial support for aarch64. Will Deacon <will.deacon@arm.com> - 2016-03-29 18:40 +0200
    Re: [PATCH v8] acpi, apei, arm64: APEI initial support for aarch64. Fu Wei <fu.wei@linaro.org> - 2016-03-30 19:50 +0200
  Re: [PATCH v8] acpi, apei, arm64: APEI initial support for aarch64. Ard Biesheuvel <ard.biesheuvel@linaro.org> - 2016-03-30 09:10 +0200
    Re: [PATCH v8] acpi, apei, arm64: APEI initial support for aarch64. Fu Wei <fu.wei@linaro.org> - 2016-03-30 19:50 +0200
  Re: [PATCH v8] acpi, apei, arm64: APEI initial support for aarch64. Fu Wei <fu.wei@linaro.org> - 2016-03-30 20:00 +0200
    Re: [PATCH v8] acpi, apei, arm64: APEI initial support for aarch64. Ard Biesheuvel <ard.biesheuvel@linaro.org> - 2016-03-31 10:00 +0200

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