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| author | Pierre Gondois <pierre.gondois@arm.com> | 2023-10-05 16:41:20 +0300 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2023-10-06 23:05:56 +0300 |
| commit | e7a1b32e43b194bbf930281ae7f5149c420cd122 (patch) | |
| tree | accd4b82331b1a0d858fa7fdaacc124415eb5edf /include/linux/cpufreq.h | |
| parent | 9ef0ad49cc860c0860026c01abea68878c6d72f7 (diff) | |
| download | linux-e7a1b32e43b194bbf930281ae7f5149c420cd122.tar.xz | |
cpufreq: Rebuild sched-domains when removing cpufreq driver
The Energy Aware Scheduler (EAS) relies on the schedutil governor.
When moving to/from the schedutil governor, sched domains must be
rebuilt to allow re-evaluating the enablement conditions of EAS.
This is done through sched_cpufreq_governor_change().
Having a cpufreq governor assumes a cpufreq driver is running.
Inserting/removing a cpufreq driver should trigger a re-evaluation
of EAS enablement conditions, avoiding to see EAS enabled when
removing a running cpufreq driver.
Rebuild the sched domains in schedutil's sugov_init()/sugov_exit(),
allowing to check EAS's enablement condition whenever schedutil
governor is initialized/exited from.
Move relevant code up in schedutil.c to avoid a split and conditional
function declaration.
Rename sched_cpufreq_governor_change() to sugov_eas_rebuild_sd().
Signed-off-by: Pierre Gondois <pierre.gondois@arm.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'include/linux/cpufreq.h')
| -rw-r--r-- | include/linux/cpufreq.h | 8 |
1 files changed, 0 insertions, 8 deletions
diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h index 71d186d6933a..1c5ca92a0555 100644 --- a/include/linux/cpufreq.h +++ b/include/linux/cpufreq.h @@ -1193,14 +1193,6 @@ static inline int of_perf_domain_get_sharing_cpumask(int pcpu, const char *list_ } #endif -#if defined(CONFIG_ENERGY_MODEL) && defined(CONFIG_CPU_FREQ_GOV_SCHEDUTIL) -void sched_cpufreq_governor_change(struct cpufreq_policy *policy, - struct cpufreq_governor *old_gov); -#else -static inline void sched_cpufreq_governor_change(struct cpufreq_policy *policy, - struct cpufreq_governor *old_gov) { } -#endif - extern unsigned int arch_freq_get_on_cpu(int cpu); #ifndef arch_set_freq_scale |