From: Quentin Perret <quentin.per...@arm.com> Energy Aware Scheduling (EAS) has to be started from the arch code. This commit enables it from the arch topology driver for arm/arm64 systems, hence enabling a better support for Arm big.LITTLE and future DynamIQ architectures.
Cc: Greg Kroah-Hartman <gre...@linuxfoundation.org> Signed-off-by: Quentin Perret <quentin.per...@arm.com> Signed-off-by: Dietmar Eggemann <dietmar.eggem...@arm.com> --- drivers/base/arch_topology.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/base/arch_topology.c b/drivers/base/arch_topology.c index 52ec5174bcb1..25a70c21860f 100644 --- a/drivers/base/arch_topology.c +++ b/drivers/base/arch_topology.c @@ -15,6 +15,7 @@ #include <linux/slab.h> #include <linux/string.h> #include <linux/sched/topology.h> +#include <linux/sched/energy.h> DEFINE_PER_CPU(unsigned long, freq_scale) = SCHED_CAPACITY_SCALE; @@ -247,6 +248,7 @@ static void __init parsing_done_workfn(struct work_struct *work) cpufreq_unregister_notifier(&init_cpu_capacity_notifier, CPUFREQ_POLICY_NOTIFIER); free_cpumask_var(cpus_to_visit); + init_sched_energy(); } #else -- 2.11.0