diff options
| -rw-r--r-- | arch/i386/Kconfig | 2 | ||||
| -rw-r--r-- | arch/x86_64/Kconfig | 7 |
2 files changed, 6 insertions, 3 deletions
diff --git a/arch/i386/Kconfig b/arch/i386/Kconfig index c2d54b802232..8770a5d0b143 100644 --- a/arch/i386/Kconfig +++ b/arch/i386/Kconfig @@ -891,7 +891,7 @@ config PHYSICAL_ALIGN Don't change this unless you know what you are doing. config HOTPLUG_CPU - bool "Support for hot-pluggable CPUs (EXPERIMENTAL)" + bool "Support for suspend on SMP and hot-pluggable CPUs (EXPERIMENTAL)" depends on SMP && HOTPLUG && EXPERIMENTAL && !X86_VOYAGER ---help--- Say Y here to experiment with turning CPUs off and on, and to diff --git a/arch/x86_64/Kconfig b/arch/x86_64/Kconfig index 145bb824b2a8..5ce94430c019 100644 --- a/arch/x86_64/Kconfig +++ b/arch/x86_64/Kconfig @@ -428,12 +428,15 @@ config NR_CPUS memory in the static kernel configuration. config HOTPLUG_CPU - bool "Support for hot-pluggable CPUs (EXPERIMENTAL)" + bool "Support for suspend on SMP and 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/cpu#. - Say N if you want to disable CPU hotplug. + This is also required for suspend/hibernation on SMP systems. + + Say N if you want to disable CPU hotplug and don't need to + suspend. config ARCH_ENABLE_MEMORY_HOTPLUG def_bool y |