K 10
svn:author
V 3
kib
K 8
svn:date
V 27
2012-11-09T16:00:30.426371Z
K 7
svn:log
V 364
Do not try to enable new features in the %cr4 if running under
hypervisor.  Apparently, hypervisors failed to filter out 'Standard
Extended Features' report from CPUID, but deliver #gp when
corresponding bit in %cr4 is toggled.

This shall be reconsidered later, after hypervisors correct the bug.

Reported and tested by:	joel
Reviewed by:	avg
MFC after:	2 weeks

END