Gleb Natapov <gleb@xxxxxxxxxx> 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 majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
