From: Tiwei Bie <tiwei.bie@intel.com>
To: Stefan Hajnoczi <stefanha@redhat.com>
Cc: mst@redhat.com, jasowang@redhat.com, pbonzini@redhat.com,
virtualization@lists.linux-foundation.org,
linux-kernel@vger.kernel.org, virtio-dev@lists.oasis-open.org,
dan.daly@intel.com, cunming.liang@intel.com,
zhihong.wang@intel.com
Subject: Re: [virtio-dev] Re: [PATCH v1] virtio: support VIRTIO_F_IO_BARRIER
Date: Thu, 10 May 2018 23:36:54 +0800 [thread overview]
Message-ID: <20180510153654.ysy6kehqhbqljgiy@debian> (raw)
In-Reply-To: <20180510150258.GB9308@stefanha-x1.localdomain>
On Thu, May 10, 2018 at 04:02:58PM +0100, Stefan Hajnoczi wrote:
> 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 This information is out-of-date.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 becomes out-of-date since VIRTIO_F_RING_PACKED(34)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.
Will do it! Thanks!
Best regards,
Tiwei Bie
prev parent reply other threads:[~2018-05-10 15:36 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-04 4:59 [PATCH v1] virtio: support VIRTIO_F_IO_BARRIER Tiwei Bie
2018-05-10 9:53 ` [virtio-dev] " Stefan Hajnoczi
2018-05-10 10:39 ` Tiwei Bie
2018-05-10 15:02 ` [virtio-dev] " Stefan Hajnoczi
2018-05-10 15:36 ` Tiwei Bie [this message]
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