Hi, Can anyone explain me the routing from IOAPIC to LAPIC and how the LAPIC/vcpu is choosen for the given IRQ. I found two different structures for IRQ routing and I am little confused with them. 1. kvm_kernel_irq_routing_entry 2. kvm_irq_routing_entry And also it will really helpful if someone can tell me how IRQ is mapped to specific interrupt vector. I believe it will be programmed by the guest (i.e. guest can change the mapping) but through which API it is changing and where exactly it is stored. Thanks, Senthilkumaran R -- 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