[dpdk-dev] [PATCH v4 7/8] virtio: add 1.0 support

Yuanhan Liu yuanhan.liu at linux.intel.com
Tue Jan 19 06:55:13 CET 2016


On Mon, Jan 18, 2016 at 04:50:16PM +0000, Xie, Huawei wrote:
> On 1/15/2016 12:34 PM, Yuanhan Liu wrote:
> > -static void
> > +static int
> >  virtio_negotiate_features(struct virtio_hw *hw)
> >  {
> >  	uint64_t host_features;
> > @@ -949,6 +949,22 @@ virtio_negotiate_features(struct virtio_hw *hw)
> >  	hw->guest_features = vtpci_negotiate_features(hw, host_features);
> 
> Here if we are not modern device, we should remove VIRTIO_F_VERSION_1 in
> guest features.

VIRTIO_F_VERSION_1 should not be set for legacy virtio device at all.

	--yliu 


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