Avi Kivity 2fb92db1ec KVM: VMX: Cache vmcs segment fields
Since the emulator now checks segment limits and access rights, it
generates a lot more accesses to the vmcs segment fields.  Undo some
of the performance hit by cacheing those fields in a read-only cache
(the entire cache is invalidated on any write, or on guest exit).

Signed-off-by: Avi Kivity <avi@redhat.com>
2011-05-22 08:47:45 -04:00
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