:orphan:

.. title:: MAX_IRQ_LINES

.. option:: CONFIG_MAX_IRQ_LINES

*Number of IRQ lines*

Type: ``int``

Help
====

This option specifies the number of IRQ lines in the system. It
determines the size of the _irq_to_interrupt_vector_table, which
is used to track the association between vectors and IRQ numbers.

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

\ :option:`X86 <CONFIG_X86>`

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

Default
=======

- 128

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

.. highlight:: kconfig

At ``arch/x86/Kconfig:65``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:29`` → ``arch/Kconfig:12``

Menu path: (Top) → X86 Architecture Options

.. parsed-literal::

    config MAX_IRQ_LINES
    	int "Number of IRQ lines"
    	range 0 224
    	default 128
    	depends on \ :option:`X86 <CONFIG_X86>`
    	help
    	  This option specifies the number of IRQ lines in the system. It
    	  determines the size of the _irq_to_interrupt_vector_table, which
    	  is used to track the association between vectors and IRQ numbers.

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