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-rw-r--r--arch/xtensa/Kconfig9
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig
index 4b09c60b6b30..70a160be3464 100644
--- a/arch/xtensa/Kconfig
+++ b/arch/xtensa/Kconfig
@@ -140,6 +140,15 @@ config NR_CPUS
range 2 32
default "4"
+config HOTPLUG_CPU
+ bool "Enable CPU hotplug support"
+ depends on SMP
+ help
+ Say Y here to allow turning CPUs off and on. CPUs can be
+ controlled through /sys/devices/system/cpu.
+
+ Say N if you want to disable CPU hotplug.
+
config MATH_EMULATION
bool "Math emulation"
help