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authorPaul Mundt <lethal@linux-sh.org>2010-04-26 19:08:55 +0900
committerPaul Mundt <lethal@linux-sh.org>2010-04-26 19:08:55 +0900
commit763142d1efb56effe614d71185781796c4b83c78 (patch)
treef886c239786fd4be028e3a45006c5cc5c1b3a3f2 /arch/sh/Kconfig
parent8db2bc4559639680a94d4492ae4b7ce71298a74f (diff)
downloadblackbird-op-linux-763142d1efb56effe614d71185781796c4b83c78.tar.gz
blackbird-op-linux-763142d1efb56effe614d71185781796c4b83c78.zip
sh: CPU hotplug support.
This adds preliminary support for CPU hotplug for SH SMP systems. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/Kconfig')
-rw-r--r--arch/sh/Kconfig7
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
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