Re: [PATCH v6 1/7] bits: split the definition of the asm and non-asm GENMASK()

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On 19/03/2025 at 01:06, Yury Norov wrote:
> On Sat, Mar 08, 2025 at 06:10:25PM +0900, Vincent Mailhol wrote:
>> On 08/03/2025 at 02:42, Andy Shevchenko wrote:
>>> On Sat, Mar 08, 2025 at 01:48:48AM +0900, Vincent Mailhol via B4 Relay wrote:
>>>> From: Vincent Mailhol <mailhol.vincent@xxxxxxxxxx>
>>>>
>>>> In an upcoming change, GENMASK() and its friends will indirectly
>>>> depend on sizeof() which is not available in asm.
>>>>
>>>> Instead of adding further complexity to __GENMASK() to make it work
>>>> for both asm and non asm, just split the definition of the two
>>>> variants.
>>>
>>> ...
>>>
>>>> -/*
>>>> - * BUILD_BUG_ON_ZERO is not available in h files included from asm files,
>>>> - * disable the input check if that is the case.
>>>> - */
>>>
>>>> +/*
>>>> + * BUILD_BUG_ON_ZERO() is not available in h files included from asm files, so
>>>> + * no input checks in assembly.
>>>> + */
>>>
>>> In case of a new version I would reformat this as
>>>
>>> /*
>>>  * BUILD_BUG_ON_ZERO() is not available in h files included from asm files,
>>>  * so no input checks in assembly.
>>>  */
>>>
>>> It makes easier to review the changes and see that the first line is kept
>>> the same.
>>
>> Not fully convinced, but why not. I staged this change locally, it will
>> be in v7.
> 
> I don't understand why this change is needed at all. The comment
> states the same thing before and after, but the history gets wiped.
> Maybe just don't touch it?

Ack. I will just move the text down and not rephrase.


Yours sincerely,
Vincent Mailhol




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