Re: [Xen-devel] [PATCH 0/3][RFC] PV Passthrough PCI Device Hotplug Support

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

On 21/2/08 11:00, "Yosuke Iwamatsu" <y-iwamatsu@xxxxxxxxxxxxx> wrote:

> - Interface changes
>   New xenbus states "Reconfiguring" and "Reconfigured" are introduced.

Not sure about this. If this is just to flag changes to individual devices,
could pcifront watch individual device nodes? Or at least I think a separate
configuration xenstore node would be sensible, with its own state-machine
enumeration. I'm reluctant to mess with the main state node as we currently
have something that works!

> - Xenstore changes
>   Substates(state-#) and virtual pci slots(vdev-#) entries are added
>   for pciback driver. For example, when PCI devices 00:1d.0 and 00:1d.1
>   are connected, xenstore-ls will show information like this.

Why vdev-#? Aren't the dev-# names already the virtual names (mapped to
physical slots transparently by pciback)?

 -- Keir



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