> -----Original Message----- > From: Joerg Roedel [mailto:joro@xxxxxxxxxx] > Sent: Monday, June 29, 2015 5:23 PM > To: Wu, Feng > Cc: Alex Williamson; Eric Auger; Avi Kivity; kvm@xxxxxxxxxxxxxxx; > linux-kernel@xxxxxxxxxxxxxxx; pbonzini@xxxxxxxxxx; mtosatti@xxxxxxxxxx > Subject: Re: [v4 08/16] KVM: kvm-vfio: User API for IRQ forwarding > > 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. Yes the original usage model here doesn't care about the diff between the old and new, it is a little intrusive to add the comparison code here. > 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. Agree. Thanks, Feng > > > 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