kvm 使用virtio 加速

天成1

　　
　　
　　kvm -hda ubuntu-server.img -cdrom NETKVM-20081229.iso -m 1024 -enable-kvm -net nic,model=virtio -net user
　　kvm -hda ubuntu-server.img -m 1024 -boot c -net nic,model-virtio -net user
　　kvm: -net nic,model-virtio: Invalid parameter 'model-virtio'
　　
　　kvm -hda ubuntu-server.img -m 1024 -boot c -net nic,model=virtio -net user 这个不成功
　　
　　
　　root@ubuntu:/home/hypercube/kvm# kvm file=ubuntu-server.img,if=virtio,boot=on -m 1025
　　kvm: -m 1025: could not open disk image file=ubuntu-server.img,if=virtio,boot=on: No such file or directory
　　
　　
　　kvm-drive file=ubuntu-server.img,if=virtio,boot=on
　　qemu-kvm: boot=on|off is deprecated and will be ignored. Future versions will reject this parameter. Please update your scripts.
　　kvm -drive file=ubuntu-server.img,if=virtio -m 2048