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Re: [Qemu-devel] [PATCH 00/10] xen: pv domain support.

From: Alexander Graf
Subject: Re: [Qemu-devel] [PATCH 00/10] xen: pv domain support.
Date: Sat, 4 Apr 2009 01:04:58 +0200

On 03.04.2009, at 22:24, Gerd Hoffmann wrote:

Laurent Vivier wrote:
Le mercredi 01 avril 2009 à 23:39 +0200, Gerd Hoffmann a écrit :


It's been a while, but after a looooooooooooong time we've (hopefully)
finally sorted the merging issues with qemu-xen.  So here is a fresh
version of the xen support for qemu patch series.  Short overview
(individual patches have longer descriptions):

Could you explain how to use it.

Do you need a xend and xenstored running on the host ?

Depends ;)

Long term plan is to have three ways of supporting xen guests in qemu
(pv only for now):

One idea I had for full virtualization in a Xen environment would be an PV vmenter/vmexit framework - either by implementing a completely new abstraction or simple traps for privileged operations like VMRUN.

That way we could have a kvm that talks to xen for the VM, rendering kvm useful on Xen dom0s, giving people the best of both worlds.

That was only one of the ideas that came up while talking to people why running kvm on xen isn't as easy as just recompiling :-). Would you think of such a thing as useful?


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