Re: [Xen-devel] qemu versions

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Tue, 2012-03-06 at 19:29 -0500, Hookenz wrote:
> Would it instead be easier to bring a newer version of qemu into xen?
> i.e. http://wiki.xen.org/xenwiki/QEMUUpstream

Upstream qemu-xen is available in xen-unstable alongside the
"traditional" qemu-xen-traditional DM. Trad remains the default but we
hope to switch in Xen 4.3.

In the meantime if you run xen-unstable with the xl toolstack you can
use
        device_model_version = "qemu-xen"
in your configuration to select the upstream qemu.

> In doing so, would this allow secondary pass through graphics for ATI
> as it is currently supported by the xen/qemu in the current xen 4.1.2
> release?

Currently upstream qemu is missing a couple of features, specifically
save restore and pci passthrough. Patches for both have been posted to
qemu-devel but they have not yet been applied. I think the lack of pci
passthrough means no graphics passthrough.

Ian.


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