diff options
Diffstat (limited to 'arch/arm64/Kconfig')
| -rw-r--r-- | arch/arm64/Kconfig | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig index 9737e97f9f38..b0fd1aa46ce9 100644 --- a/arch/arm64/Kconfig +++ b/arch/arm64/Kconfig @@ -150,6 +150,31 @@ config SMP If you don't know what to do here, say N. +config ARM64_CPU_TOPOLOGY + bool "Support cpu topology definition" + depends on SMP && ARM64 + default y + help + Support ARM64 cpu topology definition. The MPIDR register defines + affinity between processors which is then used to describe the cpu + topology of an ARM64 System. + +config SCHED_MC + bool "Multi-core scheduler support" + depends on ARM64_CPU_TOPOLOGY + help + Multi-core scheduler support improves the CPU scheduler's decision + making when dealing with multi-core CPU chips at a cost of slightly + increased overhead in some places. If unsure say N here. + +config SCHED_SMT + bool "SMT scheduler support" + depends on ARM64_CPU_TOPOLOGY + help + Improves the CPU scheduler's decision making when dealing with + MultiThreading at a cost of slightly increased overhead in some + places. If unsure say N here. + config NR_CPUS int "Maximum number of CPUs (2-32)" range 2 32 @@ -158,6 +183,13 @@ config NR_CPUS default "8" if ARCH_XGENE default "4" +config HOTPLUG_CPU + bool "Support for hot-pluggable CPUs" + depends on SMP && HOTPLUG + help + Say Y here to experiment with turning CPUs off and on. CPUs + can be controlled through /sys/devices/system/cpu. + source kernel/Kconfig.preempt config HZ @@ -268,6 +300,12 @@ source "net/Kconfig" source "drivers/Kconfig" +menu "Power management and ACPI options" + +source "drivers/acpi/Kconfig" + +endmenu + source "fs/Kconfig" source "arch/arm64/kvm/Kconfig" |