Konstantin Belousov b02395c64d As a workaround, for Intel CPUs, do not use CLFLUSH in
pmap_invalidate_cache_range() when self-snoop is apparently not reported
in cpu features. We get a reserved trap when clflushing APIC registers
window.

XEN in full system virtualization mode removes self-snoop from CPU
features, making this a problem.

Tested by:	csjp
Reviewed by:	alc
MFC after:	3 days
2009-10-01 12:52:48 +00:00
..
2009-09-27 20:50:54 +00:00
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