Help¶

This option specifies the size of the stack used by interrupt service routines (ISRs), and during kernel initialization.

Defaults¶

4096
4096
16384
2048

Kconfig definitions¶

At <Zephyr>/arch/arm/core/aarch64/Kconfig:38

Included via <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:29 → <Zephyr>/arch/Kconfig:12 → <Zephyr>/arch/arm/Kconfig:46

Menu path: (Top) → ARM Options

config ISR_STACK_SIZE
    int
    default 4096
    depends on ARM64 && ARM

At <Zephyr>/arch/sparc/Kconfig:44

Included via <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:29 → <Zephyr>/arch/Kconfig:12

Menu path: (Top) → SPARC Options

config ISR_STACK_SIZE
    int
    default 4096
    depends on SPARC

At <Zephyr>/arch/x86/core/Kconfig.intel64:14

Included via <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:29 → <Zephyr>/arch/Kconfig:12 → <Zephyr>/arch/x86/Kconfig:327

Menu path: (Top) → X86 Architecture Options

config ISR_STACK_SIZE
    int
    default 16384
    depends on X86_64 && X86

At <Zephyr>/kernel/Kconfig:176

Included via <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:30

Menu path: (Top) → General Kernel Options

config ISR_STACK_SIZE
    int "ISR and initialization stack size (in bytes)"
    default 2048
    help
      This option specifies the size of the stack used by interrupt
      service routines (ISRs), and during kernel initialization.

(The ‘depends on’ condition includes propagated dependencies from ifs and menus.)