CONFIG_X86_SMAP: Supervisor Mode Access Prevention

General informations

The Linux kernel configuration item CONFIG_X86_SMAP:

• prompt: Supervisor Mode Access Prevention
• type: bool
• depends on: CONFIG_EXPERT
• defined in arch/x86/Kconfig
• found in Linux kernels: 3.7–3.19, 4.0–4.20, 5.0–5.18, 5.18+HEAD

Help text

Supervisor Mode Access Prevention (SMAP) is a security feature in newer Intel processors. There is a small performance cost if this enabled and turned on; there is also a small increase in the kernel size if this is enabled.

If unsure, say Y.

Hardware

LKDDb

Raw data from LKDDb:

• (none)

Sources

This page is automaticly generated with free (libre, open) software lkddb(see lkddb-sources).

The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

Automatic links from Google (and ads)

Custom Search

Popular queries: