sh: CPU hotplug support.
This adds preliminary support for CPU hotplug for SH SMP systems.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index ba86bfb..d73bd4d 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -706,6 +706,13 @@
This is purely to save memory - each supported CPU adds
approximately eight kilobytes to the kernel image.
+config HOTPLUG_CPU
+ bool "Support for hot-pluggable CPUs (EXPERIMENTAL)"
+ depends on SMP && HOTPLUG && EXPERIMENTAL
+ 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 GUSA