linux-kernel - Re: [PATCH 1/5] kconfig: include common Kconfig files from top-level Kconfig

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Date:   Mon, 2 Jul 2018 13:08:16 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Christoph Hellwig <hch@....de>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>
Cc:     linux-kbuild@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/5] kconfig: include common Kconfig files from top-level
 Kconfig

On 07/02/18 13:03, Randy Dunlap wrote:
> On 07/02/18 07:47, Christoph Hellwig wrote:
>> Instead of duplicating the source statements in every architecture just
>> do it once in the toplevel Kconfig file.
>>
>> Signed-off-by: Christoph Hellwig <hch@....de>
>> ---
>>  Kconfig                 | 22 ++++++++++++++++++++++
>>  arch/alpha/Kconfig      | 20 --------------------
>>  arch/arc/Kconfig        | 16 ----------------
>>  arch/arm/Kconfig        | 25 -------------------------
>>  arch/arm64/Kconfig      | 23 -----------------------
>>  arch/c6x/Kconfig        | 24 ------------------------
>>  arch/h8300/Kconfig      | 24 ------------------------
>>  arch/hexagon/Kconfig    | 16 ----------------
>>  arch/ia64/Kconfig       | 20 --------------------
>>  arch/m68k/Kconfig       | 24 ------------------------
>>  arch/microblaze/Kconfig | 24 ------------------------
>>  arch/mips/Kconfig       | 24 ------------------------
>>  arch/nds32/Kconfig      | 16 ----------------
>>  arch/nios2/Kconfig      | 24 ------------------------
>>  arch/openrisc/Kconfig   | 23 -----------------------
>>  arch/parisc/Kconfig     | 24 ------------------------
>>  arch/powerpc/Kconfig    | 19 -------------------
>>  arch/riscv/Kconfig      | 24 ------------------------
>>  arch/s390/Kconfig       | 24 ------------------------
>>  arch/sh/Kconfig         | 24 ------------------------
>>  arch/sparc/Kconfig      | 24 ------------------------
>>  arch/unicore32/Kconfig  | 24 ------------------------
>>  arch/x86/Kconfig        | 22 +---------------------
>>  arch/xtensa/Kconfig     | 25 -------------------------
>>  24 files changed, 23 insertions(+), 512 deletions(-)
>>
>> diff --git a/Kconfig b/Kconfig
>> index a90d9f9e268b..5499b1273ba5 100644
>> --- a/Kconfig
>> +++ b/Kconfig
>> @@ -10,3 +10,25 @@ comment "Compiler: $(CC_VERSION_TEXT)"
>>  source "scripts/Kconfig.include"
>>  
>>  source "arch/$(SRCARCH)/Kconfig"
>> +
>> +source "init/Kconfig"
> 
> Hi Christoph,
> 
> Looks good overall.  I'm still doing some testing on it.
> 
> I would prefer to have init/Kconfig before arch/$(SRCARCH)/Kconfig.

Ugh, that won't get this set correctly on x86_64:
CONFIG_PGTABLE_LEVELS=2

> Is there a reason that you chose the ordering above?
> Any known dependencies?
> 
> Thanks.
> 
>> +
>> +source "kernel/Kconfig.freezer"
>> +
>> +menu "Executable file formats"
>> +source "fs/Kconfig.binfmt"
>> +endmenu
>> +
>> +source "mm/Kconfig"
>> +
>> +source "net/Kconfig"
>> +
>> +source "drivers/Kconfig"
>> +
>> +source "fs/Kconfig"
>> +
>> +source "security/Kconfig"
>> +
>> +source "crypto/Kconfig"
>> +
>> +source "lib/Kconfig"
> 
> 


-- 
~Randy