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| author | Russell King | 2005-11-02 23:24:33 +0100 |
|---|---|---|
| committer | Russell King | 2005-11-02 23:24:33 +0100 |
| commit | a054a811597a17ffbe92bc4db04a4dc2f1b1ea55 (patch) | |
| tree | b600081d964d6fe7cc1cfe2669a739da0e1743f4 /arch/arm/Kconfig | |
| parent | [ARM SMP] Fix a couple of warnings (diff) | |
| download | kernel-qcow2-linux-a054a811597a17ffbe92bc4db04a4dc2f1b1ea55.tar.gz kernel-qcow2-linux-a054a811597a17ffbe92bc4db04a4dc2f1b1ea55.tar.xz kernel-qcow2-linux-a054a811597a17ffbe92bc4db04a4dc2f1b1ea55.zip | |
[ARM SMP] Add hotplug CPU infrastructure
This patch adds the infrastructure to support hotplug CPU on ARM
platforms.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/Kconfig')
| -rw-r--r-- | arch/arm/Kconfig | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index dc6d8342e5e6..6b12d71978de 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -349,6 +349,13 @@ config NR_CPUS depends on SMP default "4" +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. + config PREEMPT bool "Preemptible Kernel (EXPERIMENTAL)" depends on EXPERIMENTAL |