Jasper Lake EDS Vol1
Intel® Supervisor Mode Access Protection (SMAP)
Intel® Supervisor Mode Access Protection (SMAP) is a mechanism that provides next level of system protection by blocking a malicious user from tricking the operating system into branching off user data. This technology shuts down very popular attack vectors against operating systems.
For more information, refer to the Intel ® 64 Architectures Software Developer’s Manual, Volume 3: http://www.intel.com/products/processor/manuals