Pierre Gondois e7a1b32e43
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 >
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