On Mon, Jun 29, 2015 at 09:14:54AM +0000, Wu, Feng wrote: > Do you mean updating the hardware IRTEs for all the entries in the irq > routing table, no matter whether it is the updated one? Right, that's what I mean. It seems wrong to me to work around the API interface by creating a diff between the old and the new routing table. It is much simpler (and easier to maintain) to just update the IRTE and PI structures for all IRQs in the routing table, especially since this is not a hot-path. Joerg -- 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