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-rw-r--r--arch/sparc64/Kconfig10
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/sparc64/Kconfig b/arch/sparc64/Kconfig
index af59daa8105..3c2e3397caf 100644
--- a/arch/sparc64/Kconfig
+++ b/arch/sparc64/Kconfig
@@ -108,6 +108,15 @@ config SECCOMP
source kernel/Kconfig.hz
+config HOTPLUG_CPU
+ bool "Support for hot-pluggable CPUs"
+ depends on SMP
+ select HOTPLUG
+ ---help---
+ Say Y here to experiment with turning CPUs off and on. CPUs
+ can be controlled through /sys/devices/system/cpu/cpu#.
+ Say N if you want to disable CPU hotplug.
+
source "init/Kconfig"
config SYSVIPC_COMPAT
@@ -307,6 +316,7 @@ config SUN_IO
config SUN_LDOMS
bool "Sun Logical Domains support"
+ select HOTPLUG_CPU
help
Say Y here is you want to support virtual devices via
Logical Domains.