Re: [PATCH v5 07/10] platform/x86/intel/ifs: Add scan test support

From: Thomas Gleixner
Date: Thu May 05 2022 - 05:01:35 EST


On Thu, May 05 2022 at 10:28, Peter Zijlstra wrote:
> On Thu, May 05, 2022 at 01:15:07AM +0200, Thomas Gleixner wrote:
>> We don't have stomp_cpumask() today, but that's trivial enough to
>> implement.
>
> I don't think we want to gift people a random cpumask stop_machine(),

Fair enough.

> but here's one that stops a core. It runs the @fn on every cpu since I
> thought to have understood that was the requirement for this muck.

Yes.

> *completely* untestededed.

Looks about right neverthelessesseess.