Re: [Qemu-devel] [PATCH 7/7] virtio-blk: add x-data-plane=on|off performance feature

[Paolo Bonzini]

Il 15/11/2012 22:08, Anthony Liguori ha scritto:
> Stefan Hajnoczi <address@hidden> writes:
> 
>> The virtio-blk-data-plane feature is easy to integrate into
>> hw/virtio-blk.c.  The data plane can be started and stopped similar to
>> vhost-net.
>>
>> Users can take advantage of the virtio-blk-data-plane feature using the
>> new -device virtio-blk-pci,x-data-plane=on property.
> 
> I don't think this should be a property of virtio-blk-pci but rather a
> separate device.

Since this is all temporary and we want it to become the default
(perhaps keeping the old code for ioeventfd=false only), I don't think
it really matters.

Paolo