On Sun, Feb 21, 2010 at 02:00:29PM +0200, Avi Kivity wrote:
> On 02/21/2010 01:37 PM, Joerg Roedel wrote:
>> Weird. For some reason the Windows 7 XP emulation was executing wbinvd
>> which caused an nested intercept for the host level and the rip was not
>> advanced. So the nested guest did not advance and just produces wbinvd
>> intercepts all the time.
>>
>
> Has the guest enabled wbinvd interception? Perhaps not, so kvm has to
> emulate wbinvd in the nested guest context, which is likely the only
> case that we're called to do this. So the problem might be in emulating
> within the nested guest.
Probably, but this was running on nested-shadow where gva_to_gpa is
expected to work even when the vcpu is running in nested mode. I'll
check this again.
Joerg
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