On Thu, May 10, 2018 at 06:39:41PM +0800, Tiwei Bie wrote: > On Thu, May 10, 2018 at 10:53:17AM +0100, Stefan Hajnoczi wrote: > > On Fri, May 04, 2018 at 12:59:15PM +0800, Tiwei Bie wrote: > > > diff --git a/include/uapi/linux/virtio_config.h b/include/uapi/linux/virtio_config.h > > > index 308e2096291f..9fb519a9df28 100644 > > > --- a/include/uapi/linux/virtio_config.h > > > +++ b/include/uapi/linux/virtio_config.h > > > @@ -49,7 +49,7 @@ > > > * transport being used (eg. virtio_ring), the rest are per-device feature > > > * bits. */ > > > #define VIRTIO_TRANSPORT_F_START 28 > > > -#define VIRTIO_TRANSPORT_F_END 34 > > > +#define VIRTIO_TRANSPORT_F_END 37 > > > > Have you updated "2.2 Feature Bits" in the VIRTIO spec? > > > > In 1.0 it says: > > > > 24 to 32 > > Feature bits reserved for extensions to the queue and feature negotiation mechanisms > > > > This information is out-of-date. > > > > No. In the latest spec draft, it's 24 to 33. And it > becomes out-of-date since VIRTIO_F_RING_PACKED(34) > and VIRTIO_F_IN_ORDER(35) were introduced. Do you > want me to update it in the IO_BARRIER patch or do > you want me to update it in a new patch? Please update it to 37 in the IO_BARRIER patch. Stefan
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