Avi Kivity wrote:

quoted text
>> @@ -2066,11 +2071,16 @@ static void direct_pte_prefetch(struct
>> kvm_vcpu *vcpu, u64 *sptep)
>>           pfn = gfn_to_pfn_atomic(vcpu->kvm, gfn);
>>           if (is_error_pfn(pfn)) {
>>               kvm_release_pfn_clean(pfn);
>> +            trace_pte_prefetch(true, PREFETCH_ERR_GFN2PFN);
>>               break;
>>           }
>>    
> 
> What about virtual addresses and gptes?  They can be helpful too.
> 

OK, will do it in the next version.

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