1 2config CPU_IDLE 3 bool "CPU idle PM support" 4 default ACPI 5 help 6 CPU idle is a generic framework for supporting software-controlled 7 idle processor power management. It includes modular cross-platform 8 governors that can be swapped during runtime. 9 10 If you're using an ACPI-enabled platform, you should say Y here. 11 12config CPU_IDLE_GOV_LADDER 13 bool 14 depends on CPU_IDLE 15 default y 16 17config CPU_IDLE_GOV_MENU 18 bool 19 depends on CPU_IDLE && NO_HZ 20 default y 21