linux-kernel - Re: [PATCH 1/2] cpufreq_schedutil: Refactor sugov_cpu_is

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Date: Fri, 21 Jun 2024 12:38:50 -1000
From: Tejun Heo <tj@...nel.org>
To: rafael@...nel.org, viresh.kumar@...aro.org
Cc: linux-pm@...r.kernel.org, void@...ifault.com,
	linux-kernel@...r.kernel.org, kernel-team@...a.com,
	mingo@...hat.com, peterz@...radead.org,
	David Vernet <dvernet@...a.com>,
	"Rafael J . Wysocki" <rafael.j.wysocki@...el.com>
Subject: Re: [PATCH 1/2] cpufreq_schedutil: Refactor sugov_cpu_is_busy()

On Tue, Jun 18, 2024 at 05:12:02PM -1000, Tejun Heo wrote:
> sugov_cpu_is_busy() is used to avoid decreasing performance level while the
> CPU is busy and called by sugov_update_single_freq() and
> sugov_update_single_perf(). Both callers repeat the same pattern to first
> test for uclamp and then the business. Let's refactor so that the tests
> aren't repeated.
> 
> The new helper is named sugov_hold_freq() and tests both the uclamp
> exception and CPU business. No functional changes. This will make adding
> more exception conditions easier.
> 
> Signed-off-by: Tejun Heo <tj@...nel.org>
> Reviewed-by: David Vernet <dvernet@...a.com>
> Cc: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
> Cc: Viresh Kumar <viresh.kumar@...aro.org>

Applied to sched_ext/for-6.11.

Thanks.

-- 
tejun