OPNSense/src 680f427sys/amd64/amd64 pmap.c, sys/amd64/include pmap.h

Fix Machine Check Exception on Page Size Change.

Approved by:    so
Security:       FreeBSD-SA-19:25.mcepsc
Security:       CVE-2018-12207
DeltaFile
+67-1sys/amd64/amd64/pmap.c
+5-0sys/dev/cpuctl/cpuctl.c
+1-0sys/amd64/include/pmap.h
+1-0sys/x86/include/specialreg.h
+74-14 files

UnifiedSplitRaw