Re: [PATCH] Make virtio devices multi-function

Anthony Liguori
2008-04-22T14:46:19Z

Avi Kivity wrote:
> Anthony Liguori wrote:
>
>> This patch changes virtio devices to be multi-function devices whenever
>> possible. This increases the number of virtio devices we can support now by
>> a factor of 8.
>>
>> With this patch, I've been able to launch a guest with either 220 disks or 220
>> network adapters.
>>
>>
>>
>
> Does this play well with hotplug? Perhaps we need to allocate a new
> device on hotplug.
>

Probably not. I imagine you can only hotplug devices, not individual
functions?

Regards,

Anthony Liguori

> (certainly if we have a device with one function, which then gets
> converted to a multifunction device)