Re: [PATCH] ACPI: CPPC: add sysfs entry for guaranteed performance

From: Rafael J. Wysocki
Date: Fri Jun 21 2024 - 06:18:21 EST


On Fri, Jun 21, 2024 at 10:49 AM Petr Tesarik <petr.tesarik@xxxxxxxx> wrote:
>
> On Thu, 6 Jun 2024 13:55:41 +0200
> Petr Tesarik <ptesarik@xxxxxxxx> wrote:
>
> > Expose the CPPC guaranteed performance as reported by the platform through
> > GuaranteedPerformanceRegister.
> >
> > The current value is already read in cppc_get_perf_caps() and stored in
> > struct cppc_perf_caps (to be used by the intel_pstate driver), so only the
> > attribute itself needs to be defined.
>
> Are there any objections to exposing this CPPC register through sysfs?
> I mean, if everybody is OK with it, the patch could be acked and queued
> for 6.11, right?

It actually has been queued already, sorry for the missing notice.

It's been in linux-next for some time even.