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Re: [Xen-devel] Re: Poor performance on HVM (kernbench)

To: deshantm@xxxxxxxxx
Subject: Re: [Xen-devel] Re: Poor performance on HVM (kernbench)
From: Jeremy Fitzhardinge <jeremy@xxxxxxxx>
Date: Thu, 11 Sep 2008 13:02:51 -0700
Cc: Muli Ben-Yehuda <MULI@xxxxxxxxxx>, Gianluca Guida <gianluca.guida@xxxxxxxxxxxxx>, xen-devel mailing list <xen-devel@xxxxxxxxxxxxxxxxxxx>, George Dunlap <dunlapg@xxxxxxxxx>, Anthony Liguori <aliguori@xxxxxxxxxx>
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Todd Deshane wrote:
> To the best of my knowledge, I am not using PV on HVM drivers since
> they are not upstream.
> I am using 2.6.27-rc4 xen domU kernel, with the normal xen PV drivers
> and KVM virtio built in.
> Am I mistaken?

No, there's no pv-hvm driver support upstream yet.  When I get around to
it I intend adding support for the pagetable shootdown
paravirtualization too, so that unshadowing shouldn't be a problem.

(Is that in xen-unstable yet?)


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