Supervisor Mode Access Prevention
configname: CONFIG_X86_SMAP
Linux Kernel Configuration
└─>Processor type and features
└─>Supervisor Mode Access Prevention
In linux kernel since version 3.1 (release Date: 2011-10-24)
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.
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.