A lot of homelab notes stop at GRUB: pci=assign-busses iommu=pt intel_iommu=on update-grub or on CentOS: grub2-mkconfig -o /boot/grub2/grub. cfg Reboot. dmesg shows Intel-IOMMU: enabled .
Source: [Dev.to](https://dev.to/sunshoutkernel/kvm-sr-iov-inteliommuon-is-not-sr-iov-until-you-create-vfs-2fbh)