Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67;
Subject: Re: [PATCH 4/9] kconfig: include common Kconfig files from top-level
 Kconfig
To:     Masahiro Yamada <yamada.masahiro@socionext.com>,
        Christoph Hellwig <hch@lst.de>
Cc:     Richard Weinberger <richard@nod.at>,
        Linux Kbuild mailing list <linux-kbuild@vger.kernel.org>,
        linux-um@lists.infradead.org,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
References: <20180708152004.21679-1-hch@lst.de>
 <20180708152004.21679-5-hch@lst.de>
 <CAK7LNAT5dzU-SOvqwnDs=bn3WA1_fmDj2abETmoHUdUExVF+WA@mail.gmail.com>
From:   Randy Dunlap <rdunlap@infradead.org>
Message-ID: <17c45e87-d9be-8453-1bce-18753e0a68b9@infradead.org>
Date:   Wed, 18 Jul 2018 00:06:26 -0700
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101
 Thunderbird/52.9.1
MIME-Version: 1.0
In-Reply-To: <CAK7LNAT5dzU-SOvqwnDs=bn3WA1_fmDj2abETmoHUdUExVF+WA@mail.gmail.com>
Content-Type: text/plain; charset=utf-8
Content-Language: en-US
Content-Transfer-Encoding: 7bit
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

On 07/11/2018 05:21 AM, Masahiro Yamada wrote:
> 2018-07-09 0:19 GMT+09:00 Christoph Hellwig <hch@lst.de>:
>> Instead of duplicating the source statements in every architecture just
>> do it once in the toplevel Kconfig file.
>>
>> Note that with this the inclusion of arch/$(SRCARCH/Kconfig moves out of
>> the top-level Kconfig into arch/Kconfig so that don't violate ordering
>> constraits while keeping a sensible menu structure.
>>
>> Signed-off-by: Christoph Hellwig <hch@lst.de>
> 
> 
>> diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
>> index dd4f3d3e644f..7ab7b148181b 100644
>> --- a/arch/sh/Kconfig
>> +++ b/arch/sh/Kconfig
>> @@ -168,10 +168,6 @@ config PGTABLE_LEVELS
>>         default 3 if X2TLB
>>         default 2
>>
>> -source "init/Kconfig"
>> -
>> -source "kernel/Kconfig.freezer"
>> -
>>  menu "System type"
>>
>>  #
>> @@ -553,8 +549,6 @@ endchoice
>>
>>  endif
>>
>> -source "arch/sh/mm/Kconfig"
> 
> 
> I noticed at least sh is broken
> because "arch/sh/mm/Kconfig" is no longer included by anyone.
> 
> I am not doing further tests.
> 
> 
> Please test *ALL* architectures.
> 
> If possible, matrix tests (arch, config-target), where
> arch = arm, arm64, ...
> config-target = allyesconfig, allnoconfig, alldefconfig, ...
> 
> 
> Note:
> scripts/diffconf is helpful.


For defconfig:

All $ARCH look equivalent except for microblaze and nios2.
For those, the config SWAP in init/Kconfig (line 221) comes before (and
hence takes precedence) over arch/$(SRCARCH)/Kconfig settings, which is
def_bool n for both microblaze and nios2.


-- 
~Randy