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-rw-r--r--drivers/cpuidle/Kconfig87
1 files changed, 87 insertions, 0 deletions
diff --git a/drivers/cpuidle/Kconfig b/drivers/cpuidle/Kconfig
new file mode 100644
index 000000000..ff71dd662
--- /dev/null
+++ b/drivers/cpuidle/Kconfig
@@ -0,0 +1,87 @@
+# SPDX-License-Identifier: GPL-2.0-only
+menu "CPU Idle"
+
+config CPU_IDLE
+ bool "CPU idle PM support"
+ default y if ACPI || PPC_PSERIES
+ select CPU_IDLE_GOV_LADDER if (!NO_HZ && !NO_HZ_IDLE)
+ select CPU_IDLE_GOV_MENU if (NO_HZ || NO_HZ_IDLE) && !CPU_IDLE_GOV_TEO
+ help
+ CPU idle is a generic framework for supporting software-controlled
+ idle processor power management. It includes modular cross-platform
+ governors that can be swapped during runtime.
+
+ If you're using an ACPI-enabled platform, you should say Y here.
+
+if CPU_IDLE
+
+config CPU_IDLE_MULTIPLE_DRIVERS
+ bool
+
+config CPU_IDLE_GOV_LADDER
+ bool "Ladder governor (for periodic timer tick)"
+
+config CPU_IDLE_GOV_MENU
+ bool "Menu governor (for tickless system)"
+
+config CPU_IDLE_GOV_TEO
+ bool "Timer events oriented (TEO) governor (for tickless systems)"
+ help
+ This governor implements a simplified idle state selection method
+ focused on timer events and does not do any interactivity boosting.
+
+ Some workloads benefit from using it and it generally should be safe
+ to use. Say Y here if you are not happy with the alternatives.
+
+config CPU_IDLE_GOV_HALTPOLL
+ bool "Haltpoll governor (for virtualized systems)"
+ depends on KVM_GUEST
+ help
+ This governor implements haltpoll idle state selection, to be
+ used in conjunction with the haltpoll cpuidle driver, allowing
+ for polling for a certain amount of time before entering idle
+ state.
+
+ Some virtualized workloads benefit from using it.
+
+config DT_IDLE_STATES
+ bool
+
+config DT_IDLE_GENPD
+ depends on PM_GENERIC_DOMAINS_OF
+ bool
+
+menu "ARM CPU Idle Drivers"
+depends on ARM || ARM64
+source "drivers/cpuidle/Kconfig.arm"
+endmenu
+
+menu "MIPS CPU Idle Drivers"
+depends on MIPS
+source "drivers/cpuidle/Kconfig.mips"
+endmenu
+
+menu "POWERPC CPU Idle Drivers"
+depends on PPC
+source "drivers/cpuidle/Kconfig.powerpc"
+endmenu
+
+menu "RISC-V CPU Idle Drivers"
+depends on RISCV
+source "drivers/cpuidle/Kconfig.riscv"
+endmenu
+
+config HALTPOLL_CPUIDLE
+ tristate "Halt poll cpuidle driver"
+ depends on X86 && KVM_GUEST
+ default y
+ help
+ This option enables halt poll cpuidle driver, which allows to poll
+ before halting in the guest (more efficient than polling in the
+ host via halt_poll_ns for some scenarios).
+
+endif
+
+config ARCH_NEEDS_CPU_IDLE_COUPLED
+ def_bool n
+endmenu