Messages in this thread | | | Date | Mon, 22 Nov 2010 12:17:24 +0200 | From | Avi Kivity <> | Subject | Re: [PATCH v3 5/6] KVM: MMU: abstract invalid guest pte mapping |
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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.
-- error compiling committee.c: too many arguments to function
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