[libvirt] [PATCH] Add XML config switch to enable/disable vhost-net support

[Eric Blake]

On 01/13/2011 01:59 PM, Eric Blake wrote:
>> This patch makes it possible to force whether or not vhost-net is used
>> with a bit of XML. Adding a <driver> element to the interface XML, eg:
>>
>>      <interface type="network">
>>        <model type="virtio"/>
>>        <driver name="vhost"/>
>>
>> will force use of vhost-net (if it's not available, the domain will
>> fail to start). if driver name="qemu", vhost-net will not be used even
>> if it is available.
>>
>> If there is no <driver name='xxx'/> in the config, libvirt will revert
>> to the pre-existing automatic behavior - use vhost-net if it's
>> available, and userland backend if vhost-net isn't available.
>>
>> Oh, and also - sorry Eric, but I didn't have the brain cells left
>> tonight to add this new bit to the documentation, and I really want to
>> get the patch up/in now, so that will have to wait for a followup next
>> week :-)
> 
> I'll have to live with that, but come closer to the 0.8.8 release date,
> watch for the reminders if you haven't followed through :)

One of those friendly reminders, since I was looking for that
documentation today and missed having it.

-- 
Eric Blake   eblake at redhat.com    +1-801-349-2682
Libvirt virtualization library http://libvirt.org

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