swh:1:snp:c2847dfd741eae21606027cf29250d1ebcd63fb4
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- v5.2
- v5.15-rc3
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- v5.14
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- v5.11-rc7
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- v5.11
- v5.10-rc7
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- v5.10
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- v5.1-rc5
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- v5.1
- v5.0-rc8
- v5.0-rc7
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- v5.0
- v4.9-rc8
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- v2.6.37
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Tip revision: dc4060a5dc2557e6b5aa813bf5b73677299d62d2 authored by Linus Torvalds on 14 April 2019, 22:17:41 UTC
Linux 5.1-rc5
Linux 5.1-rc5
Tip revision: dc4060a
Kconfig
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 DT_IDLE_STATES
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
endif
config ARCH_NEEDS_CPU_IDLE_COUPLED
def_bool n
endmenu