linux-kernel - Re: [PATCH v2 2/2] cpufreq: CPPC: Dont read counters for idle CPUs

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Message-ID: <CAFivqmLG0LriipbmM8qXZMKRRpH3_D02dNipnzj2aWRf9mSdCA@mail.gmail.com>
Date: Mon, 21 Jul 2025 23:02:00 -0700
From: Prashant Malani <pmalani@...gle.com>
To: Viresh Kumar <viresh.kumar@...aro.org>
Cc: "Rafael J. Wysocki" <rafael@...nel.org>, Beata Michalska <beata.michalska@....com>, 
	Jie Zhan <zhanjie9@...ilicon.com>, Ionela Voinescu <ionela.voinescu@....com>, 
	Ben Segall <bsegall@...gle.com>, Dietmar Eggemann <dietmar.eggemann@....com>, 
	Ingo Molnar <mingo@...hat.com>, Juri Lelli <juri.lelli@...hat.com>, 
	open list <linux-kernel@...r.kernel.org>, 
	"open list:CPU FREQUENCY SCALING FRAMEWORK" <linux-pm@...r.kernel.org>, Mel Gorman <mgorman@...e.de>, 
	Peter Zijlstra <peterz@...radead.org>, Steven Rostedt <rostedt@...dmis.org>, 
	Valentin Schneider <vschneid@...hat.com>, Vincent Guittot <vincent.guittot@...aro.org>, 
	z00813676 <zhenglifeng1@...wei.com>, sudeep.holla@....com
Subject: Re: [PATCH v2 2/2] cpufreq: CPPC: Dont read counters for idle CPUs

Hi Viresh and Rafael,

Thank you for taking the time to look at this series.

On Mon, 21 Jul 2025 at 20:27, Viresh Kumar <viresh.kumar@...aro.org> wrote:
>
> On 21-07-25, 12:40, Prashant Malani wrote:
> > On Mon, 21 Jul 2025 at 10:00, Rafael J. Wysocki <rafael@...nel.org> wrote:
> > > Why don't you flag the driver as CPUFREQ_NEED_UPDATE_LIMITS?
> > >
> > > That would kind of make sense given how the driver works overall, or
> > > am I missing anything?
>
> +1

Thanks, I posted [1] which implements what's suggested by Rafael. PTAL

Best regards,

[1] https://lore.kernel.org/linux-pm/20250722055611.130574-2-pmalani@google.com/

-- 
-Prashant