/usr/libexec/qemu-kvm kvm pc-i440fx-rhel7.0.0 x86_64 /usr/share/OVMF/OVMF_CODE.secboot.fd rom pflash yes no Skylake-Client-IBRS Intel EPYC-IBPB EPYC Opteron_G5 Opteron_G4 Opteron_G3 Opteron_G2 Opteron_G1 Skylake-Server-IBRS Skylake-Server Skylake-Client-IBRS Skylake-Client Broadwell-IBRS Broadwell Haswell-IBRS Haswell IvyBridge-IBRS IvyBridge SandyBridge-IBRS SandyBridge Westmere-IBRS Westmere Nehalem-IBRS Nehalem Penryn Conroe cpu64-rhel6 n270 athlon pentium3 pentium2 pentium 486 coreduo kvm32 qemu32 kvm64 core2duo phenom qemu64 disk cdrom floppy lun ide fdc scsi virtio usb sata sdl vnc spice subsystem default mandatory requisite optional usb pci scsi