SMAP is disabled if CPU is in non-paging mode in hardware.
However KVM always uses paging mode to emulate guest non-paging
mode with TDP. To emulate this behavior, SMAP needs to be
manually disabled when guest switches to non-paging mode.
Signed-off-by: NFeng Wu <feng.wu@intel.com>
Signed-off-by: NMarcelo Tosatti <mtosatti@redhat.com>