Re: [PATCH 2/3] asm-generic, x86: wrap atomic operations

From: Dmitry Vyukov
Date: Fri Mar 24 2017 - 08:46:31 EST


On Fri, Mar 24, 2017 at 11:57 AM, Ingo Molnar <mingo@xxxxxxxxxx> wrote:
>
> * Dmitry Vyukov <dvyukov@xxxxxxxxxx> wrote:
>
>> > Are just utterly disgusting that turn perfectly readable code into an
>> > unreadable, unmaintainable mess.
>> >
>> > You need to find some better, cleaner solution please, or convince me that no
>> > such solution is possible. NAK for the time being.
>>
>> Well, I can just write all functions as is. Does it better confirm to kernel
>> style?
>
> I think writing the prototypes out as-is, properly organized, beats any of these
> macro based solutions.

You mean write out the prototypes, but use what for definitions? Macros again?

>> [...] I've just looked at the x86 atomic.h and it uses macros for similar
>> purpose (ATOMIC_OP/ATOMIC_FETCH_OP), so I thought that must be idiomatic kernel
>> style...
>
> Mind fixing those too while at it?

I don't mind once I understand how exactly you want it to look.

> And please squash any bug fixes and re-send a clean series against latest upstream
> or so.
>
> Thanks,
>
> Ingo