Gleb Natapov <[email protected]> writes:

> On Sun, Apr 19, 2009 at 04:43:12PM +0300, Avi Kivity wrote:
>> Gleb Natapov wrote:
>>> On Sun, Apr 19, 2009 at 04:40:51PM +0300, Avi Kivity wrote:
>>>   
>>>> Gleb Natapov wrote:
>>>>     
>>>>>> It's OK as a first step towards correct NMI emulation. Additionally, you
>>>>>> could enable the IRQ window interception in case the is an NMI pending.
>>>>>> The resulting behavior should then much like the VNMI mask emulation for
>>>>>> vmx.
>>>>>>
>>>>>>             
>>>>> Yeah, but the question is if IRQ windows is already opened will exit
>>>>> happens before or after IRET.
>>>>>         
>>>> You mean if the NMI handler enabled interrupts?
>>>>
>>>>     
>>> Yes.
>>>
>>>   
>>
>> Then the guest deserves whatever it gets...
>>
> I suspect windows may do this since it uses NMI for task switching.

Could you elaborate on that? How/why does it use NMIs for task
switching?

Regards,
-- 
Julian Stecklina

The day Microsoft makes something that doesn't suck is probably the day
they start making vacuum cleaners - Ernst Jan Plugge

--
To unsubscribe from this list: send the line "unsubscribe kvm" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to