[Qemu-devel] Re: [PATCHv4 2/2] virtio: add features as qdev properties

[Michael S. Tsirkin]

On Mon, Jan 04, 2010 at 03:24:18PM +0100, Gerd Hoffmann wrote:
> On 12/24/09 13:44, Michael S. Tsirkin wrote:
>> Add feature bits as properties to virtio. This makes it possible to e.g. 
>> define
>> machine without indirect buffer support, which is required for 0.10
>> compatibility, or without hardware checksum support, which is required for 
>> 0.11
>> compatibility.  Since default values for optional features are now set by 
>> qdev,
>> get_features callback has been modified: it sets non-optional bits, and 
>> clears
>> bits not supported by host.
>
> I guess you'll need a bunch of entries for pc-0.10 and pc-0.11 to switch  
> the virtio devices into the correct compatibility modes?  Should  
> probably go as patch #3 of this series.
>
> cheers,
>   Gerd

Yes, but this will be done separately, after these are applied.

-- 
MST