CONFIG_PRIVILEGED_STACK_SIZE

Size of privileged stack

Type: int

Help

This option sets the privileged stack region size that will be used in addition to the user mode thread stack. During normal execution, this region will be inaccessible from user mode. During system calls, this region will be utilized by the system call.

Direct dependencies

ARCH_HAS_USERSPACE

(Includes any dependencies from ifs and menus.)

Default

  • 1024

Kconfig definition

At arch/Kconfig:188

Included via Kconfig:8Kconfig.zephyr:34

Menu path: (Top) → General Architecture Options

config PRIVILEGED_STACK_SIZE
    int "Size of privileged stack"
    default 1024
    depends on ARCH_HAS_USERSPACE
    help
      This option sets the privileged stack region size that will be used
      in addition to the user mode thread stack.  During normal execution,
      this region will be inaccessible from user mode.  During system calls,
      this region will be utilized by the system call.

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