Santos, Jose Renato G wrote:
> It seems that we will still need specific devices drivers
> for each different virtualization flavor. For example,
> we will still need to have a specific Xen netfront
> device that talks to a backend device in dom0, using
> page grants, and other Xen specific mechanisms.
> It looks like will still need to maintain all the virtual device
> drivers and in addition we will now have to maintain
> another virtualization layer.
>
The hope is that the Xen-specific elements of the driver will be
restricted to Xen-specific things like grant tables, and the bulk of the
driver and its logic can be common. Whether that can be achieved and
still retain the full performance/features of the entirely Xen-specific
netfront driver remains to be seen. I haven't had a chance to look at
doing any Xen-virtio glue yet, so I'm not really sure how it will work out.
J
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