On 11/22/2010 12:18 PM, Xiao Guangrong wrote:
> > I think the order is reversed. If !is_present_gpte(), it doesn't matter > if reserved bits are set or not. > if !is_present_gpte()&& is_rsvd_bits_set, then we may mark the spte notrap, so the guest will detect #PF with PFEC.P=PEFC.RSVD=0, but the appropriate PFEC is PFEC.P=0&& PEFC.RSVD=1 ?
I think the correct PFEC is .P = .RSVD = 0, but best to check on real hardware to be sure.
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