Re: [virtio-dev] RFC: Doorbell suppression, packed-ring mode and hardware offload
This can result in a very high rate of doorbells with some drivers, which can become a severe bottleneck (because x86 CPUs can't emit MMIOs at very high rates).
This can result in a very high rate of doorbells with some drivers, which can become a severe bottleneck (because x86 CPUs can't emit MMIOs at very high rates).