Re: [RFC PATCH 2/6] cpumask: Purify cpumask_next()

Nadav Amit
2019-05-27T17:34:32Z

> On May 27, 2019, at 1:30 AM, Peter Zijlstra <peterz@infradead.org> wrote:
>
> On Sat, May 25, 2019 at 01:21:59AM -0700, Nadav Amit wrote:
>> cpumask_next() has no side-effects. Mark it as pure.
>
> It would be good to have a few word on why... because apparently you
> found this makes a difference.

I see that eventually it did not make any difference. I saw in the past that
some instances of the kernel are affected by it, but I will remove it from
this patch-set in the next iteration.