:orphan:

.. title:: CONFIG_SMP

.. kconfig:: CONFIG_SMP

CONFIG_SMP
##########

*Enable symmetric multithreading support*

Type: ``bool``

Help
====

.. code-block:: none

    When true, kernel will be built with SMP support, allowing
    more than one CPU to schedule Zephyr tasks at a time.

Direct dependencies
===================

\ :kconfig:`SOC_SERIES_INTEL_CAVS_V15 <CONFIG_SOC_SERIES_INTEL_CAVS_V15>` || \ :kconfig:`SOC_SERIES_INTEL_CAVS_V18 <CONFIG_SOC_SERIES_INTEL_CAVS_V18>` || \ :kconfig:`SOC_SERIES_INTEL_CAVS_V20 <CONFIG_SOC_SERIES_INTEL_CAVS_V20>` || \ :kconfig:`SOC_SERIES_INTEL_CAVS_V25 <CONFIG_SOC_SERIES_INTEL_CAVS_V25>` || \ :kconfig:`SOC_SERIES_NXP_IMX8 <CONFIG_SOC_SERIES_NXP_IMX8>` || \ :kconfig:`SOC_SERIES_INTEL_CAVS_V15 <CONFIG_SOC_SERIES_INTEL_CAVS_V15>` || \ :kconfig:`SOC_SERIES_INTEL_CAVS_V18 <CONFIG_SOC_SERIES_INTEL_CAVS_V18>` || \ :kconfig:`SOC_SERIES_INTEL_CAVS_V20 <CONFIG_SOC_SERIES_INTEL_CAVS_V20>` || \ :kconfig:`SOC_SERIES_INTEL_CAVS_V25 <CONFIG_SOC_SERIES_INTEL_CAVS_V25>` || \ :kconfig:`SOC_SERIES_NXP_IMX8 <CONFIG_SOC_SERIES_NXP_IMX8>` || \ :kconfig:`USE_SWITCH <CONFIG_USE_SWITCH>`

*(Includes any dependencies from ifs and menus.)*

Defaults
========

- y
- y
- y
- y
- n
- y
- y
- y
- y
- n

Kconfig definitions
===================



At ``<Zephyr SoC>/xtensa/intel_adsp/cavs_v15/Kconfig.defconfig.series:18``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:25`` → ``<BuildDir>/kconfig/Kconfig.soc.defconfig:1`` → ``<Zephyr SoC>/xtensa/intel_adsp/Kconfig.defconfig:6``

Menu path: (Top)

.. code-block:: kconfig

    config SMP
    	bool
    	default y
    	depends on SOC_SERIES_INTEL_CAVS_V15

----

At ``<Zephyr SoC>/xtensa/intel_adsp/cavs_v18/Kconfig.defconfig.series:18``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:25`` → ``<BuildDir>/kconfig/Kconfig.soc.defconfig:1`` → ``<Zephyr SoC>/xtensa/intel_adsp/Kconfig.defconfig:6``

Menu path: (Top)

.. code-block:: kconfig

    config SMP
    	bool
    	default y
    	depends on SOC_SERIES_INTEL_CAVS_V18

----

At ``<Zephyr SoC>/xtensa/intel_adsp/cavs_v20/Kconfig.defconfig.series:18``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:25`` → ``<BuildDir>/kconfig/Kconfig.soc.defconfig:1`` → ``<Zephyr SoC>/xtensa/intel_adsp/Kconfig.defconfig:6``

Menu path: (Top)

.. code-block:: kconfig

    config SMP
    	bool
    	default y
    	depends on SOC_SERIES_INTEL_CAVS_V20

----

At ``<Zephyr SoC>/xtensa/intel_adsp/cavs_v25/Kconfig.defconfig.series:22``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:25`` → ``<BuildDir>/kconfig/Kconfig.soc.defconfig:1`` → ``<Zephyr SoC>/xtensa/intel_adsp/Kconfig.defconfig:6``

Menu path: (Top)

.. code-block:: kconfig

    config SMP
    	bool
    	default y
    	depends on SOC_SERIES_INTEL_CAVS_V25

----

At ``<Zephyr SoC>/xtensa/nxp_adsp/imx8/Kconfig.defconfig.series:18``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:25`` → ``<BuildDir>/kconfig/Kconfig.soc.defconfig:1`` → ``<Zephyr SoC>/xtensa/nxp_adsp/Kconfig.defconfig:6``

Menu path: (Top)

.. code-block:: kconfig

    config SMP
    	bool
    	default n
    	depends on SOC_SERIES_NXP_IMX8

----

At ``<Zephyr SoC>/xtensa/intel_adsp/cavs_v15/Kconfig.defconfig.series:18``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:27`` → ``<Zephyr SoC>/xtensa/intel_adsp/Kconfig.defconfig:6``

Menu path: (Top)

.. code-block:: kconfig

    config SMP
    	bool
    	default y
    	depends on SOC_SERIES_INTEL_CAVS_V15

----

At ``<Zephyr SoC>/xtensa/intel_adsp/cavs_v18/Kconfig.defconfig.series:18``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:27`` → ``<Zephyr SoC>/xtensa/intel_adsp/Kconfig.defconfig:6``

Menu path: (Top)

.. code-block:: kconfig

    config SMP
    	bool
    	default y
    	depends on SOC_SERIES_INTEL_CAVS_V18

----

At ``<Zephyr SoC>/xtensa/intel_adsp/cavs_v20/Kconfig.defconfig.series:18``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:27`` → ``<Zephyr SoC>/xtensa/intel_adsp/Kconfig.defconfig:6``

Menu path: (Top)

.. code-block:: kconfig

    config SMP
    	bool
    	default y
    	depends on SOC_SERIES_INTEL_CAVS_V20

----

At ``<Zephyr SoC>/xtensa/intel_adsp/cavs_v25/Kconfig.defconfig.series:22``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:27`` → ``<Zephyr SoC>/xtensa/intel_adsp/Kconfig.defconfig:6``

Menu path: (Top)

.. code-block:: kconfig

    config SMP
    	bool
    	default y
    	depends on SOC_SERIES_INTEL_CAVS_V25

----

At ``<Zephyr SoC>/xtensa/nxp_adsp/imx8/Kconfig.defconfig.series:18``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:27`` → ``<Zephyr SoC>/xtensa/nxp_adsp/Kconfig.defconfig:6``

Menu path: (Top)

.. code-block:: kconfig

    config SMP
    	bool
    	default n
    	depends on SOC_SERIES_NXP_IMX8

----

At ``<Zephyr Kernel>/Kconfig:794``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:40``

Menu path: (Top) → General Kernel Options → SMP Options

.. code-block:: kconfig

    config SMP
    	bool "Enable symmetric multithreading support"
    	depends on USE_SWITCH
    	help
    	  When true, kernel will be built with SMP support, allowing
    	  more than one CPU to schedule Zephyr tasks at a time.

*(The 'depends on' condition includes propagated dependencies from ifs and menus.)*