Re: [PATCH 0/3] vdpa: device feature provisioning

From: Jason Wang
Date: Wed Sep 21 2022 - 03:45:35 EST


On Wed, Sep 21, 2022 at 3:17 AM Parav Pandit <parav@xxxxxxxxxx> wrote:
>
> Hi Jason,
>
> > From: Jason Wang <jasowang@xxxxxxxxxx>
> > Sent: Thursday, September 15, 2022 4:51 AM
> > To: mst@xxxxxxxxxx; jasowang@xxxxxxxxxx
> > Cc: Eli Cohen <elic@xxxxxxxxxx>; si-wei.liu@xxxxxxxxxx; Parav Pandit
> > <parav@xxxxxxxxxx>; wuzongyong@xxxxxxxxxxxxxxxxx;
> > virtualization@xxxxxxxxxxxxxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx;
> > eperezma@xxxxxxxxxx; lingshan.zhu@xxxxxxxxx; gdawar@xxxxxxxxxx;
> > lulu@xxxxxxxxxx; xieyongji@xxxxxxxxxxxxx
> > Subject: [PATCH 0/3] vdpa: device feature provisioning
> >
> > Hi All:
> >
> > Virtio features are neogiated between the device and the drivers. This allows
> > the mediation layer like vDPA to hide some features from the driver to
> > faciliate the cross vendor live migration:
> >
> > vDPA on the source supports feature set X vDPA on the destination supports
> > feature set Y
> >
> > Management can simply provision the vDPA instance with features X&Y on
> > both source and destination to let the vDPA can be migrate-able between
> > the two vDPA devies with different features support.
> >
> > This series tries to allow the device features to be provisioned via netlink to
> > achieve this.
> Very useful series.
> Can you please add vdpa example command with and without -jp option in each of the commit logs?

Yes, I will do it in V2.

Thanks

>
> Thanks.
>