On Sun, Aug 09, 2009 at 05:54:30PM +0300, Avi Kivity wrote: > On 08/09/2009 03:41 PM, Gleb Natapov wrote: >> Introduce new function kvm_notifier_set_irq() that should be used >> to change irq line level from irq notifiers. When irq notifier >> change irq line level it calls into irq chip code recursively. The >> function avoids taking a lock recursively. >> > > This looks really horrible. I don't have an alternative yet, but I'll > think of one. I agree this is not nice. This is needed only for device assignment case. That explains why I don't like device assignment :) The problem is that the only communication channel from guest to assigned device that goes through the host is interrupt injection/acknowledgement, so we try to do things (lowering IRQ) on this path that usually are done somewhere else. -- 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
