Let's step back a bit [LWN.net]

Let's step back a bit

Posted Jun 3, 2009 20:10 UTC (Wed) by dtlin (✭ supporter ✭, #36537)
In reply to: Let's step back a bit by BrucePerens
Parent article: Xen again

xenner is a utility which is able to run xen paravirtualized kernels as guests on linux hosts, without the xen hypervisor, using kvm instead.

I haven't tried it out, but running Xen DomU on KVM seems perfectly possible. In any case, KVM and Xen+HVM are about equal in terms of guest support.

KVM's "Dom0" is the unmodified Linux kernel, running on bare hardware — there's nothing special about it. I'm not sure why you'd even want Xen's Dom0 there?

             HVM                      No HVM
KVM  Supports many guests           Not possible
Xen  Supports manu guests  Supports paravirtualized guests

The "not possible" (unless you're satisfied with QEMU) is what the Xen supporters are really focusing on.

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