Jan Kiszka wrote:
quoted text
> Avi Kivity wrote:
>   
>> Jan Kiszka wrote:
>>     
>>> Interesting result - you've read about the wbinvd issues? Is there no
>>> wbinvd in the bios shipped with older kvm? Which VM extension did you
>>> test, both Intel and AMD? I would bet that your X issues are due to the
>>> same effect. X startup/shutdown involves a lot of wbinvd calls on my
>>> test boxes.
>>>
>>>   
>>>       
>> kvm.git now traps invd and wbinvd on amd, so there shouldn't be any 
>> issues there. 
>>     
>
> So kvm can then simply ignore the instructions, or what does it do about
> them? I recall some replies in the related thread that some more work
> may be required.
>
>   

It currently ignores the instructions.  When device passthrough is 
implemented more work will be needed.


-- 
Any sufficiently difficult bug is indistinguishable from a feature.

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