Linux Virtualization - Jun 2018 - [virtio-dev] [PATCH] virtio: update the comments for transport features

Suggested-by: Michael S. Tsirkin <mst at redhat.com>
Signed-off-by: Tiwei Bie <tiwei.bie at intel.com>
---
This patch is generated on top of below patch:
https://lists.oasis-open.org/archives/virtio-dev/201805/msg00212.html

 include/uapi/linux/virtio_config.h | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/include/uapi/linux/virtio_config.h
b/include/uapi/linux/virtio_config.h
index b7c1f4e7d59e..479affd903e9 100644
--- a/include/uapi/linux/virtio_config.h
+++ b/include/uapi/linux/virtio_config.h
@@ -45,9 +45,12 @@
 /* We've given up on this device. */
 #define VIRTIO_CONFIG_S_FAILED		0x80
 
-/* Some virtio feature bits (currently bits 28 through 32) are reserved for the
- * transport being used (eg. virtio_ring), the rest are per-device feature
- * bits. */
+/*
+ * Some virtio feature bits (currently bits VIRTIO_TRANSPORT_F_START
+ * through VIRTIO_TRANSPORT_F_END) are reserved for the transport being
+ * used (e.g. virtio_ring, virtio_pci etc.), the rest are per-device
+ * feature bits.
+ */
 #define VIRTIO_TRANSPORT_F_START	28
 #define VIRTIO_TRANSPORT_F_END		38
 
-- 
2.17.0

On Fri,  1 Jun 2018 18:22:17 +0800
Tiwei Bie <tiwei.bie at intel.com> wrote:
> Suggested-by: Michael S. Tsirkin <mst at redhat.com>
> Signed-off-by: Tiwei Bie <tiwei.bie at intel.com>
> ---
> This patch is generated on top of below patch:
> https://lists.oasis-open.org/archives/virtio-dev/201805/msg00212.html
> 
>  include/uapi/linux/virtio_config.h | 9 ++++++---
>  1 file changed, 6 insertions(+), 3 deletions(-)
> 
> diff --git a/include/uapi/linux/virtio_config.h
b/include/uapi/linux/virtio_config.h
> index b7c1f4e7d59e..479affd903e9 100644
> --- a/include/uapi/linux/virtio_config.h
> +++ b/include/uapi/linux/virtio_config.h
> @@ -45,9 +45,12 @@
>  /* We've given up on this device. */
>  #define VIRTIO_CONFIG_S_FAILED		0x80
>  
> -/* Some virtio feature bits (currently bits 28 through 32) are reserved
for the
> - * transport being used (eg. virtio_ring), the rest are per-device feature
> - * bits. */
> +/*
> + * Some virtio feature bits (currently bits VIRTIO_TRANSPORT_F_START
> + * through VIRTIO_TRANSPORT_F_END) are reserved for the transport being
It will always be bits up to VIRTIO_TRANSPORT_F_END, no? So you can drop
the "currently"?

Or reword as "Virtio feature bits VIRTIO_TRANSPORT_F_START through
VIRTIO_TRANSPORT_F_END are reserved..."?
> + * used (e.g. virtio_ring, virtio_pci etc.), the rest are per-device
> + * feature bits.
> + */
>  #define VIRTIO_TRANSPORT_F_START	28
>  #define VIRTIO_TRANSPORT_F_END		38
>

On Fri, Jun 01, 2018 at 12:45:52PM +0200, Cornelia Huck
wrote:
> On Fri,  1 Jun 2018 18:22:17 +0800
> Tiwei Bie <tiwei.bie at intel.com> wrote:
> 
> > Suggested-by: Michael S. Tsirkin <mst at redhat.com>
> > Signed-off-by: Tiwei Bie <tiwei.bie at intel.com>
> > ---
> > This patch is generated on top of below patch:
> > https://lists.oasis-open.org/archives/virtio-dev/201805/msg00212.html
> > 
> >  include/uapi/linux/virtio_config.h | 9 ++++++---
> >  1 file changed, 6 insertions(+), 3 deletions(-)
> > 
> > diff --git a/include/uapi/linux/virtio_config.h
b/include/uapi/linux/virtio_config.h
> > index b7c1f4e7d59e..479affd903e9 100644
> > --- a/include/uapi/linux/virtio_config.h
> > +++ b/include/uapi/linux/virtio_config.h
> > @@ -45,9 +45,12 @@
> >  /* We've given up on this device. */
> >  #define VIRTIO_CONFIG_S_FAILED		0x80
> >  
> > -/* Some virtio feature bits (currently bits 28 through 32) are
reserved for the
> > - * transport being used (eg. virtio_ring), the rest are per-device
feature
> > - * bits. */
> > +/*
> > + * Some virtio feature bits (currently bits VIRTIO_TRANSPORT_F_START
> > + * through VIRTIO_TRANSPORT_F_END) are reserved for the transport
being
> 
> It will always be bits up to VIRTIO_TRANSPORT_F_END, no? So you can drop
> the "currently"?
> 
> Or reword as "Virtio feature bits VIRTIO_TRANSPORT_F_START through
> VIRTIO_TRANSPORT_F_END are reserved..."?
I will do it. Thanks for the suggestion!

Best regards,
Tiwei Bie