Re: [Xen-devel] HVM dynamic physical memory

To:	David Pilger <pilger.david@xxxxxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx>
Subject:	Re: [Xen-devel] HVM dynamic physical memory
From:	Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>
Date:	Sun, 31 Dec 2006 09:25:32 +0000
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On 31/12/06 8:49 am, "David Pilger" <pilger.david@xxxxxxxxx> wrote:

> Does Xen support a dynamic allocation of physical memory for a HVM
> domain? Like the baloon driver of a domU?
> 
> If not, how can this be achieved if this is possible at all?

All that's missing is the balloon driver itself (but the PV Linux one could
be used as a basis), support for using the memory-reservation hypercall from
HVM context, and a way to blow away qemu's memory-mapping cache when memory
is given back to Xen from the HVM guest.

 -- Keir

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