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From: | Jeremy Fitzhardinge |
Subject: | Re: [Xen-devel] Re: [Qemu-devel] [PATCH 00/10] xen: pv domain support. |
Date: | Mon, 06 Apr 2009 13:44:29 -0700 |
User-agent: | Thunderbird 2.0.0.21 (X11/20090320) |
Gerd Hoffmann wrote:
Hmm. I suspect xen's direct paging mode makes that quite intrusive as the kvm mmu code would have to know about this extra p2m translation step to get the shadow/ept/ntp tables right. Given that this most likely would be a odd and rarely tested use case I don't think this would be a good idea ...
That's mostly encapsulated in the normal pagetable manipulation routines, so if kvm can be convinced to use those to manage its shadow tables, it will all Just Work. That doesn't work well with a non-PAE 32-bit host with kvm's PAE shadow pagetables, but Xen doesn't support non-PAE anyway.
J
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