CONFIG_SMP

Enable symmetric multithreading support

Type: bool

Help

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

Direct dependencies

SOC_SERIES_INTEL_CAVS_V15 || SOC_SERIES_INTEL_CAVS_V18 || SOC_SERIES_INTEL_CAVS_V20 || SOC_SERIES_INTEL_CAVS_V25 || SOC_SERIES_NXP_IMX8 || SOC_SERIES_NXP_IMX8M || SOC_SERIES_INTEL_CAVS_V15 || SOC_SERIES_INTEL_CAVS_V18 || SOC_SERIES_INTEL_CAVS_V20 || SOC_SERIES_INTEL_CAVS_V25 || SOC_SERIES_NXP_IMX8 || SOC_SERIES_NXP_IMX8M || USE_SWITCH

(Includes any dependencies from ifs and menus.)

Defaults

y
y
y
y
n
n
y
y
y
y
n
n

Kconfig definitions

At <Zephyr>/soc/xtensa/intel_adsp/cavs_v15/Kconfig.defconfig.series:33

Included via <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:25 → <nRF>/doc/_build/kconfig/Kconfig.soc.defconfig:1 → <Zephyr>/soc/xtensa/intel_adsp/Kconfig.defconfig:6

Menu path: (Top)

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 <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:25 → <nRF>/doc/_build/kconfig/Kconfig.soc.defconfig:1 → <Zephyr>/soc/xtensa/intel_adsp/Kconfig.defconfig:6

Menu path: (Top)

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 <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:25 → <nRF>/doc/_build/kconfig/Kconfig.soc.defconfig:1 → <Zephyr>/soc/xtensa/intel_adsp/Kconfig.defconfig:6

Menu path: (Top)

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 <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:25 → <nRF>/doc/_build/kconfig/Kconfig.soc.defconfig:1 → <Zephyr>/soc/xtensa/intel_adsp/Kconfig.defconfig:6

Menu path: (Top)

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 <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:25 → <nRF>/doc/_build/kconfig/Kconfig.soc.defconfig:1 → <Zephyr>/soc/xtensa/nxp_adsp/Kconfig.defconfig:6

Menu path: (Top)

config SMP
    bool
    default n
    depends on SOC_SERIES_NXP_IMX8

At <Zephyr>/soc/xtensa/nxp_adsp/imx8m/Kconfig.defconfig.series:18

Included via <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:25 → <nRF>/doc/_build/kconfig/Kconfig.soc.defconfig:1 → <Zephyr>/soc/xtensa/nxp_adsp/Kconfig.defconfig:6

Menu path: (Top)

config SMP
    bool
    default n
    depends on SOC_SERIES_NXP_IMX8M

At <Zephyr>/soc/xtensa/intel_adsp/cavs_v15/Kconfig.defconfig.series:33

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

Menu path: (Top)

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 <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:27 → <Zephyr>/soc/xtensa/intel_adsp/Kconfig.defconfig:6

Menu path: (Top)

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 <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:27 → <Zephyr>/soc/xtensa/intel_adsp/Kconfig.defconfig:6

Menu path: (Top)

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 <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:27 → <Zephyr>/soc/xtensa/intel_adsp/Kconfig.defconfig:6

Menu path: (Top)

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 <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:27 → <Zephyr>/soc/xtensa/nxp_adsp/Kconfig.defconfig:6

Menu path: (Top)

config SMP
    bool
    default n
    depends on SOC_SERIES_NXP_IMX8

At <Zephyr>/soc/xtensa/nxp_adsp/imx8m/Kconfig.defconfig.series:18

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

Menu path: (Top)

config SMP
    bool
    default n
    depends on SOC_SERIES_NXP_IMX8M

At <Zephyr>/kernel/Kconfig:817

Included via <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:40

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

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.)