Re: [PATCH v3 2/2] vdso: Introduce vdso/page.h

From: H. Peter Anvin
Date: Mon Oct 07 2024 - 12:07:21 EST


On October 7, 2024 4:20:23 AM PDT, Vincenzo Frascino <vincenzo.frascino@xxxxxxx> wrote:
>
>
>On 07/10/2024 12:06, Arnd Bergmann wrote:
>> On Mon, Oct 7, 2024, at 11:01, Vincenzo Frascino wrote:
>>> On 04/10/2024 14:13, Arnd Bergmann wrote:
>>
>>>
>>> It seemed harmless from the tests I did. But adding an '&&
>>> defined(CONFIG_32BIT)' makes it logically correct. I will add a comment as well
>>> in the next version.
>>
>> To clarify: this has to be "!defined(CONFIG_64BIT)", as most
>> 32-bit architectures don't define the CONFIG_32BIT symbol
>> (but all 64-bit ones define CONFIG_64BIT).
>>
>
>You are right, it seemed that every 32-bit architectures with a
>64-bit phys_addr_t had CONFIG_32BIT but this is not the case.
>
>> Arnd
>

Maybe we should have CONFIG_32BIT as a global?