K 10
svn:author
V 3
kib
K 8
svn:date
V 27
2018-05-21T21:05:55.657986Z
K 7
svn:log
V 175
Preserve other bits in IA32_SPEC_CTL MSR when changing the IBRS and
STIBP states.

Tested by:	emaste (previous version)
Sponsored by:	The FreeBSD Foundation
MFC after:	3 days

END