Commit 6df2e969 authored by lishusen's avatar lishusen
Browse files

arm64: add config for cpuidle-haltpoll 

virt inclusion
category: feature
bugzilla: https://gitee.com/openeuler/kernel/issues/IB7PU3


CVE: NA

----------------------------------------------------

Add config for cpuidle-haltpoll. This feature is disabled by
default. Enable it using the following command:
echo Y > /sys/module/cpuidle_haltpoll/parameters/force

Signed-off-by: default avatarlishusen <lishusen2@huawei.com>
parent 5a8e81c0

arch/arm64/Kconfig

+2 −0
Original line number Diff line number Diff line
@@ -37,6 +37,8 @@ config ARM64 
	select ARCH_HAS_NON_OVERLAPPING_ADDRESS_SPACE

	select ARCH_HAS_NONLEAF_PMD_YOUNG if ARM64_HAFT

	select ARCH_HAS_OPTIMIZED_POLL

	select ARCH_CPUIDLE_HALTPOLL

	select HALTPOLL_CPUIDLE

	select ARCH_HAS_PTE_DEVMAP

	select ARCH_HAS_PTE_SPECIAL

	select ARCH_HAS_SETUP_DMA_OPS

arch/arm64/configs/openeuler_defconfig

+3 −0
Original line number Diff line number Diff line
@@ -628,6 +628,7 @@ CONFIG_CPU_PM=y 
CONFIG_ARCH_HIBERNATION_POSSIBLE=y

CONFIG_ARCH_HIBERNATION_HEADER=y

CONFIG_ARCH_SUSPEND_POSSIBLE=y

CONFIG_ARCH_CPUIDLE_HALTPOLL=y

# end of Power management options



#
@@ -647,6 +648,7 @@ CONFIG_CPU_IDLE_GOV_TEO=y 
#

# CONFIG_ARM_PSCI_CPUIDLE is not set

# end of ARM CPU Idle Drivers

CONFIG_HALTPOLL_CPUIDLE=y

# end of CPU Idle



#
@@ -789,6 +791,7 @@ CONFIG_TRACE_IRQFLAGS_SUPPORT=y 
CONFIG_TRACE_IRQFLAGS_NMI_SUPPORT=y

CONFIG_HAVE_ARCH_TRACEHOOK=y

CONFIG_HAVE_DMA_CONTIGUOUS=y

CONFIG_ARCH_HAS_OPTIMIZED_POLL=y

CONFIG_GENERIC_SMP_IDLE_THREAD=y

CONFIG_GENERIC_IDLE_POLL_SETUP=y

CONFIG_ARCH_HAS_FORTIFY_SOURCE=y