kib 45b91c251b Detect whether x2APIC on VMWare is usable without interrupt
redirection support.  Older versions of the hypervisor mis-interpret
the cpuid format in ioapic registers when x2APIC is turned on, but IR
is not used by the guest OS.

Based on:	Linux commit 4cca6ea04d31c22a7d0436949c072b27bde41f86
Tested by:	markj
Sponsored by:	The FreeBSD Foundation
MFC after:	2 months
2015-02-14 09:00:12 +00:00
..
2015-02-11 15:49:14 +00:00
2015-02-10 06:35:16 +00:00
2015-02-02 16:07:07 +00:00