Re: [PATCH v1 1/1] s390: mm: convert pgste locking functions to C

Alexander Gordeev
2023-12-06T09:02:01Z

(Internal lists only)

...
> + do {
> + value = __atomic64_or_barrier(PGSTE_PCL_BIT, ptr);

Would it make sense to cpu_relax() here, e.g with a follow-up patch?

> + } while (value & PGSTE_PCL_BIT);
> + value |= PGSTE_PCL_BIT;
> #endif
> - return __pgste(new);
> + return __pgste(value);
> }

Thanks!