On Sun, Aug 09, 2009 at 05:56:30PM +0300, Avi Kivity wrote: > On 08/09/2009 03:41 PM, Gleb Natapov wrote: > >Sending of MSI using IRQ routing is an artificial concept and potentially > >big number of MSIs (2048 per device) make it also inefficient. This > >patch adds an interface to inject MSI messages from userspace to lapic > >logic directly. The patch also reduces the maximum number of IRQ routing > >entries to 128 since MSIs will no longer go there and 128 entries cover > >5 ioapics and this ought to be enough for anybody. > > In the future many MSIs will be triggered via irqfds, and those > require irq routing. > Why? My plan is to change irqfd to use the MSI functions. -- 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
