Re: [Xen-devel] [Qemu-devel] [PATCH] Add Xen platform PCI device version 2.

[Alex Bligh <alex@xxxxxxxxxxx>]

--On 19 June 2013 10:13:17 +0000 Paul Durrant <Paul.Durrant@xxxxxxxxxx> 
wrote:
> > We obviously can't say to users "Are you running Windows and are you
> > running PV drivers >= X.Y, if so set lever A to position B, otherwise if
> > you are running some other OS or an earlier version of the Windows PV
> > driver set it to position A".
> Why not? The device can be chosen on a per-VM basis.
Not everyone knows what guest some random user will be running
(consider cloud platforms).

Expecting an admin to introspect the guest is not a good plan.
Having the same set of levers that work at least reasonably with
everything is the way to go.

--
Alex Bligh

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