VT-d Posted Interrupts-final.pptVT-d Posted Interrupts Feng Wu, Jun Nakajima <Speaker> Intel Corporation 2 Agenda • Motivation • Difference btw CPU-based and VT-d Posted Interrupts • Architecture • Implementation Details • Performance • Summary 3 • Interrupt virtualization efficiency • Interrupt migration complexity • Big requirement of host vector for different assigned devices Motivation 4 CPU-based Posted-Interrupt in Xen VCP
