sh: CPU hotplug support.

This adds preliminary support for CPU hotplug for SH SMP systems.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 7 insertions, 0 deletions

diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index ba86bfba95ac..d73bd4db5e84 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -706,6 +706,13 @@ config NR_CPUS
           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