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-rw-r--r--arch/csky/Kconfig9
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/csky/Kconfig b/arch/csky/Kconfig
index cb64f8dacd08..8bdbe9219662 100644
--- a/arch/csky/Kconfig
+++ b/arch/csky/Kconfig
@@ -198,6 +198,15 @@ config RAM_BASE
hex "DRAM start addr (the same with memory-section in dts)"
default 0x0
+config HOTPLUG_CPU
+ bool "Support for hot-pluggable CPUs"
+ select GENERIC_IRQ_MIGRATION
+ depends on SMP
+ help
+ Say Y here to allow turning CPUs off and on. CPUs can be
+ controlled through /sys/devices/system/cpu/cpu1/hotplug/target.
+
+ Say N if you want to disable CPU hotplug.
endmenu
source "kernel/Kconfig.hz"