On 8/21/20 10:22 AM, Alexey Dobriyan wrote:
> On Thu, Aug 20, 2020 at 02:29:40PM -0700, [email protected] wrote:
>> Subject: x86/defconfigs: Explicitly unset CONFIG_64BIT in i386_defconfig
>>
>> A recent refresh of the defconfigs got rid of the following (unset)
>> config:
>>
>>   # CONFIG_64BIT is not set
>>
>> Innocuous as it seems, when the config file is saved again the
>> behavior is changed so that CONFIG_64BIT=y.
>>
>> Currently,
>>
>>   $ make i386_defconfig
>>   $ grep CONFIG_64BIT .config
>>   CONFIG_64BIT=y
>>
>> whereas previously (and with this patch):
>>
>>   $ make i386_defconfig
>>   $ grep CONFIG_64BIT .config
>>   # CONFIG_64BIT is not set
> 
> It is highly, highly, highly advisable to always pass ARCH when dealing
> with 32/64-bit archs:
> 
>       +---------------------------------------+
>       |       make ARCH=x86_64 defconfig      |
>       |       make ARCH=i386 defconfig        |
>       +---------------------------------------+

I certainly always do that and I also avoid
ARCH=x86
although it is supported/allowed.

-- 
~Randy

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