At the Linux Foundation’s KVM Forum 2020 this week, Stefano Garzarella of Red Hat presented on the possibility of speeding up virtual machine I/O performance by sharing the host’s IO_uring queues with guests. In doing so the virtual machines have near bare-metal performance with the proposed patches…

Source: Phoronix – IO_uring Passthrough For KVM Guests Is Yielding Fantastic Results