Xen devel - Jun 2010 - [PATCH] QEMU Emulated Device Unplug Protocol Version 2 (refresh)

All,

 Attached is a new version of my previous patch to introduce emulated device
unplug protocol version 2. This patch prevents version 2 from being exposed to
drivers that do not explicitly request it. They will still see version 1 and
should continue to work as before. In this patch I have also updated the
document i386-dm/README.hvm-pv-magic-ioport-disable to better explain the unplug
protocols (and QEMU logging on behalf of the guest).

  Paul


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Paul Durrant writes ("[Xen-devel] [PATCH] QEMU Emulated Device Unplug
Protocol Version 2 (refresh)"):
>  Attached is a new version of my previous patch to introduce
> emulated device unplug protocol version 2. This patch prevents
> version 2 from being exposed to drivers that do not explicitly
> request it. They will still see version 1 and should continue to
> work as before. In this patch I have also updated the document
> i386-dm/README.hvm-pv-magic-ioport-disable to better explain the
> unplug protocols (and QEMU logging on behalf of the guest).
I have a couple of questions:

Where is the other side of this protocol currently implemented, if
anywhere ?

Are we sure that grabbing more IO fixed ports is a sensible thing to
do ?

Ian.

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