On 24/08/2017 18:21, Yu Zhang wrote: > > > On 8/25/2017 12:27 AM, Paolo Bonzini wrote: >> On 24/08/2017 17:38, Yu Zhang wrote: >>>> >>>> In practice, MAXPHYADDR will never be 59 even because the PKRU bits are >>>> at bits 59..62. >>> Thanks, Paolo. >>> I see. I had made an assumption that MAXPHYADDR shall not exceed the >>> physical one, >>> which is 52 I believe. But I'm not sure there's any place to check this. >>> Maybe we should make sure the vcpu->arch.maxphyaddr will not be greater >>> than the value of the host? >> That's a separate change anyway. In any case, since currently the >> MAXPHYADDR is not validated, your change to rsvd_bits makes sense. > > Thanks, Paolo. > As to this patch series, any change I need do? No, it's fine. > BTW, I have written a patch for kvm-unit-test access test, but the test > failed. > Not sure if my patch is erroneous or due to a simulator error. I'll send > out the > test patch after it works.:-) Try to send it. I can also test it with QEMU TCG. Paolo