On Thu, Jul 30, 2009 at 02:47:30PM +0300, Gleb Natapov wrote: > On Thu, Jul 30, 2009 at 02:46:59PM +0300, Avi Kivity wrote: > > On 07/30/2009 02:24 PM, Gleb Natapov wrote: > >>> Good (it was one of the goals of the original interrupt rework, ~2 years > >>> ago) > >>> > >>> > >> But if we emulate an injection by playing with guest memory and > >> registers we have to be sure we do it only once. > >> > > > > Once we've successfully updated the stack, inject is complete and we can > > remove the interrupt from the queue. > > > Then, it we skip actual guest entry for some reason, we will not be > able to tell if we can inject next irq or not. > Actually thinking about it when first irq is injected we should clear IF flag, so the second one will not happen. -- Gleb. -- 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
