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SubjectRe: [PATCH v2 2/5] KVM: MMU: check guest CR3 reserved bits based on its physical address width.
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On 8/17/2017 8:31 PM, Paolo Bonzini wrote:
> On 17/08/2017 21:52, Yu Zhang wrote:
>> + if (efer & EFER_LMA) {
>> + u64 maxphyaddr;
>> + u32 eax = 0x80000008;
>> +
>> + if (ctxt->ops->get_cpuid(ctxt, &eax, NULL, NULL, NULL,
>> + NO_CHECK_LIMIT)) {
>> + maxphyaddr = eax & 0xff;
>> + rsvd = rsvd_bits(maxphyaddr, 62);
>> + }
> You should use 36 here if ctxt->ops->get_cpuid returns false, for
> consistency with cpuid_query_maxphyaddr.

Oh, right. Thanks! :-)

Yu

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