On (Wed) 04 Apr 2012 [12:19:55], Michael S. Tsirkin wrote: > disable_cb is just an optimization: it > can not guarantee that there are no callbacks. Even then, what's the harm in keeping it? If indeed there's an attempt to raise an interrupt after the host has been notified, it will be suppressed. Also, disable_cb seems to be used elsewhere in the virtio_net.c file, to suit similar purposes. Amit -- 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