On Mon, Oct 05, 2015 at 11:28:03AM +0300, Avi Kivity wrote: > Eventfd is a natural enough representation of an interrupt; both kvm and > vfio use it, and are also able to share the eventfd, allowing a vfio > interrupt to generate a kvm interrupt, without userspace intervention, and > one day without even kernel intervention.
eventfd without kernel intervention sounds unlikely. kvm might configure the cpu such that an interrupt will not trigger a vmexit. eventfd seems like an unlikely interface to do that: with the eventfd, device triggering it has no info about the interrupt so it can't send it to the correct VM. -- MST -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
