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xen-devel
Re: [Xen-devel] A couple of questions about Xen
On 26/10/06 6:27 pm, "Eric Benton" <benton71@xxxxxxxxx> wrote:
1. Is it possible to share contiguous memory regions between a hvm domain and dom0 using the grant tables?
2. Why do we need the piix bridge in the ioemu? is it being used at all?
- Yes. The PV-on-HVM drivers do this (from HVM to dom0). Other way (dom0 pages mapped in HVM) will not work as yet.
- It’s used for PCI-ISA IRQ routing. I wondered about removing it but I think I’ve changed my mind for the time being. If you boot an HVM guest in APIC mode, it will not have the ‘4 IRQ routers’ limitation.
-- Keir
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