Re: [PATCH] kvm: mmu: Don't read PDPTEs when paging is not enabled

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On 08/09/2018 09:58 AM, Paolo Bonzini wrote:
> On 09/08/2018 02:45, Junaid Shahid wrote:
>> kvm should not attempt to read guest PDPTEs when CR0.PG = 0 and
>> CR4.PAE = 1.
>>
>> Signed-off-by: Junaid Shahid <junaids@xxxxxxxxxx>
> 
> Do you have a testcase?
> 

I could write a test case to trigger this condition, but we would need to add some type of trace statement to this path so that the test can easily detect whether or not the extraneous reads have occurred. 

Thanks,
Junaid



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