:orphan:

.. title:: X86_NO_SPECULATIVE_VULNERABILITIES

.. option:: CONFIG_X86_NO_SPECULATIVE_VULNERABILITIES

*(No prompt -- not directly user assignable.)*

Type: ``bool``

Help
====

This hidden option should be set on a per-SOC basis to indicate that
a particular SOC does not perform any kind of speculative execution,
or is a newer chip which is immune to the class of vulnerabilities
which exploit speculative execution side channel attacks.

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

\ :option:`X86 <CONFIG_X86>`

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

Defaults
========

No defaults. Implicitly defaults to ``n``.

Symbols selected by this symbol
===============================

- \ :option:`X86_NO_MELTDOWN <CONFIG_X86_NO_MELTDOWN>`
- \ :option:`X86_NO_SPECTRE_V1 <CONFIG_X86_NO_SPECTRE_V1>`
- \ :option:`X86_NO_SPECTRE_V2 <CONFIG_X86_NO_SPECTRE_V2>`
- \ :option:`X86_NO_SPECTRE_V4 <CONFIG_X86_NO_SPECTRE_V4>`
- \ :option:`X86_NO_LAZY_FP <CONFIG_X86_NO_LAZY_FP>`

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

.. highlight:: kconfig

At ``arch/x86/Kconfig:256``

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

Menu path: (Top) → X86 Architecture Options

.. parsed-literal::

    config X86_NO_SPECULATIVE_VULNERABILITIES
    	bool
    	select \ :option:`X86_NO_MELTDOWN <CONFIG_X86_NO_MELTDOWN>`
    	select \ :option:`X86_NO_SPECTRE_V1 <CONFIG_X86_NO_SPECTRE_V1>`
    	select \ :option:`X86_NO_SPECTRE_V2 <CONFIG_X86_NO_SPECTRE_V2>`
    	select \ :option:`X86_NO_SPECTRE_V4 <CONFIG_X86_NO_SPECTRE_V4>`
    	select \ :option:`X86_NO_LAZY_FP <CONFIG_X86_NO_LAZY_FP>`
    	depends on \ :option:`X86 <CONFIG_X86>`
    	help
    	  This hidden option should be set on a per-SOC basis to indicate that
    	  a particular SOC does not perform any kind of speculative execution,
    	  or is a newer chip which is immune to the class of vulnerabilities
    	  which exploit speculative execution side channel attacks.

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