转自
https://www.linux-kvm.org/page/How_to_assign_devices_with_VT-d_in_KVM
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/5/html/virtualization/chap-virtualization-pci_passthrough
[转]how to assign devices with VT-d in KVM
原文：https://www.cnblogs.com/yi-mu-xi/p/12353949.html
