Avi Kivity wrote:
No. Paravirtualization just augments the standard hardware interface, it doesn't replace it as in Xen.
NB, unlike Xen, we can (and do) run qemu as non-root. Things like RHEV-H and oVirt constrain the qemu process with SELinux.
Also, you can use qemu to provide the backends to a Xen PV guest (see -M xenpv). The effect is that you are moving that privileged code from the kernel (netback/blkback) to userspace (qemu -M xenpv).
In general, KVM tends to keep code in userspace unless absolutely necessary. That's a fundamental difference from Xen which tends to do the opposite.
Regards, Anthony Liguori -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
