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CONFIG_HOTPLUG_CPU: Support for hot-pluggable CPUs

General informations

The Linux kernel configuration item CONFIG_HOTPLUG_CPU has multiple definitions:

found in arch/mips/Kconfig

The configuration item CONFIG_HOTPLUG_CPU:

Help text

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found in arch/mn10300/Kconfig

The configuration item CONFIG_HOTPLUG_CPU:

Help text

(none)

found in arch/parisc/Kconfig

The configuration item CONFIG_HOTPLUG_CPU:

Help text

(none)

Enable CPU hotplug support found in arch/metag/Kconfig

The configuration item CONFIG_HOTPLUG_CPU:

Help text

Say Y here to allow turning CPUs off and on. CPUs can be controlled through /sys/devices/system/cpu.

Say N if you want to disable CPU hotplug.

Enable CPU hotplug support found in arch/xtensa/Kconfig

The configuration item CONFIG_HOTPLUG_CPU:

Help text

Say Y here to allow turning CPUs off and on. CPUs can be controlled through /sys/devices/system/cpu.

Say N if you want to disable CPU hotplug.

Support for enabling/disabling CPUs found in arch/powerpc/Kconfig

The configuration item CONFIG_HOTPLUG_CPU:

Help text

Say Y here to be able to disable and re-enable individual CPUs at runtime on SMP machines.

Say N if you are unsure.

Support for enabling/disabling CPUs found in arch/ppc/Kconfig

The configuration item CONFIG_HOTPLUG_CPU:

Help text

Say Y here to be able to disable and re-enable individual CPUs at runtime on SMP machines.

Say N if you are unsure.

Support for hot-pluggable CPUs (EXPERIMENTAL) found in arch/arm/Kconfig

The configuration item CONFIG_HOTPLUG_CPU:

Help text

Say Y here to experiment with turning CPUs off and on. CPUs can be controlled through /sys/devices/system/cpu.

Support for hot-pluggable CPUs (EXPERIMENTAL) found in arch/i386/Kconfig

The configuration item CONFIG_HOTPLUG_CPU:

Help text

Say Y here to experiment with turning CPUs off and on, and to enable suspend on SMP systems. CPUs can be controlled through /sys/devices/system/cpu.

Support for hot-pluggable CPUs (EXPERIMENTAL) found in arch/ia64/Kconfig

The configuration item CONFIG_HOTPLUG_CPU:

Help text

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.

Support for hot-pluggable CPUs (EXPERIMENTAL) found in arch/s390/Kconfig

The configuration item CONFIG_HOTPLUG_CPU:

Help text

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.

Support for hot-pluggable CPUs (EXPERIMENTAL) found in arch/sh/Kconfig

The configuration item CONFIG_HOTPLUG_CPU:

Help text

Say Y here to experiment with turning CPUs off and on. CPUs can be controlled through /sys/devices/system/cpu.

Support for hot-pluggable CPUs (EXPERIMENTAL) found in arch/x86_64/Kconfig

The configuration item CONFIG_HOTPLUG_CPU:

Help text

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.

Support for hot-pluggable CPUs found in arch/arm/Kconfig

The configuration item CONFIG_HOTPLUG_CPU:

Help text

Say Y here to experiment with turning CPUs off and on. CPUs can be controlled through /sys/devices/system/cpu.

Support for hot-pluggable CPUs found in arch/arm64/Kconfig

The configuration item CONFIG_HOTPLUG_CPU:

Help text

Say Y here to experiment with turning CPUs off and on. CPUs can be controlled through /sys/devices/system/cpu.

Support for hot-pluggable CPUs found in arch/blackfin/Kconfig

The configuration item CONFIG_HOTPLUG_CPU:

Help text

(none)

Support for hot-pluggable CPUs found in arch/ia64/Kconfig

The configuration item CONFIG_HOTPLUG_CPU:

Help text

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.

Support for hot-pluggable CPUs found in arch/mips/Kconfig

The configuration item CONFIG_HOTPLUG_CPU:

Help text

Say Y here to allow turning CPUs off and on. CPUs can be controlled through /sys/devices/system/cpu. (Note: power management support will enable this option automatically on SMP systems. ) Say N if you want to disable CPU hotplug.

Support for hot-pluggable CPUs found in arch/ppc64/Kconfig

The configuration item CONFIG_HOTPLUG_CPU:

Help text

Say Y here to be able to turn CPUs off and on.

Say N if you are unsure.

Support for hot-pluggable CPUs found in arch/s390/Kconfig

The configuration item CONFIG_HOTPLUG_CPU:

Help text

Say Y here to be able to turn CPUs off and on. CPUs can be controlled through /sys/devices/system/cpu/cpu#. Say N if you want to disable CPU hotplug.

Support for hot-pluggable CPUs found in arch/sparc/Kconfig

The configuration item CONFIG_HOTPLUG_CPU:

Help text

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.

Support for hot-pluggable CPUs found in arch/sparc64/Kconfig

The configuration item CONFIG_HOTPLUG_CPU:

Help text

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.

Support for hot-pluggable CPUs found in arch/x86/Kconfig

The configuration item CONFIG_HOTPLUG_CPU:

Help text

Say Y here to allow turning CPUs off and on. CPUs can be controlled through /sys/devices/system/cpu. ( Note: power management support will enable this option automatically on SMP systems. ) Say N if you want to disable CPU hotplug.

Support for suspend on SMP and hot-pluggable CPUs (EXPERIMENTAL) found in arch/i386/Kconfig

The configuration item CONFIG_HOTPLUG_CPU:

Help text

Say Y here to experiment with turning CPUs off and on, and to enable suspend on SMP systems. CPUs can be controlled through /sys/devices/system/cpu.

Support for suspend on SMP and hot-pluggable CPUs (EXPERIMENTAL) found in arch/x86/Kconfig

The configuration item CONFIG_HOTPLUG_CPU:

Help text

Say Y here to experiment with turning CPUs off and on, and to enable suspend on SMP systems. CPUs can be controlled through /sys/devices/system/cpu. Say N if you want to disable CPU hotplug and don't need to suspend.

Support for suspend on SMP and hot-pluggable CPUs (EXPERIMENTAL) found in arch/x86_64/Kconfig

The configuration item CONFIG_HOTPLUG_CPU:

Help text

Say Y here to experiment with turning CPUs off and on. CPUs can be controlled through /sys/devices/system/cpu/cpu#. 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.

Hardware

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