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CONFIG_ISR_STACK_SIZE¶
ISR and initialization stack size (in bytes)
Type: int
Help¶
This option specifies the size of the stack used by interrupt service routines (ISRs), and during kernel initialization.
Defaults¶
4096
16384
2048
Kconfig definitions¶
At arch/arm/core/aarch64/Kconfig:43
Included via Kconfig:8 → Kconfig.zephyr:29 → arch/Kconfig:12 → arch/arm/Kconfig:46
Menu path: (Top) → ARM Options
config ISR_STACK_SIZE
int
default 4096
depends on ARM64 && ARM
At arch/x86/core/Kconfig.intel64:14
Included via Kconfig:8 → Kconfig.zephyr:29 → arch/Kconfig:12 → arch/x86/Kconfig:280
Menu path: (Top) → X86 Architecture Options
config ISR_STACK_SIZE
int
default 16384
depends on X86_64 && X86
At kernel/Kconfig:168
Included via Kconfig:8 → 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.)