:orphan:

.. title:: PRIVILEGED_STACK_SIZE

.. option:: 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. This value must be
a multiple of the minimum stack alignment.

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

\ :option:`ARCH_HAS_USERSPACE <CONFIG_ARCH_HAS_USERSPACE>`

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

Default
=======

- 1024

Kconfig definition
==================

.. highlight:: kconfig

At ``arch/Kconfig:246``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:29``

Menu path: (Top) → General Architecture Options

.. parsed-literal::

    config PRIVILEGED_STACK_SIZE
    	int "Size of privileged stack"
    	default 1024
    	depends on \ :option:`ARCH_HAS_USERSPACE <CONFIG_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. This value must be
    	  a multiple of the minimum stack alignment.

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