diff options
| author | Paul Mundt | 2010-04-26 12:08:55 +0200 |
|---|---|---|
| committer | Paul Mundt | 2010-04-26 12:08:55 +0200 |
| commit | 763142d1efb56effe614d71185781796c4b83c78 (patch) | |
| tree | f886c239786fd4be028e3a45006c5cc5c1b3a3f2 /arch/sh/Kconfig | |
| parent | sh: cache secondary CPUs idle loop. (diff) | |
| download | kernel-qcow2-linux-763142d1efb56effe614d71185781796c4b83c78.tar.gz kernel-qcow2-linux-763142d1efb56effe614d71185781796c4b83c78.tar.xz kernel-qcow2-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/Kconfig | 7 |
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 |