linux-kernel - RE: [PATCH 0/3] vdpa: device feature provisioning

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Message-ID: <PH0PR12MB548115F4597D409F94AB1E77DC4C9@PH0PR12MB5481.namprd12.prod.outlook.com>
Date:   Tue, 20 Sep 2022 19:17:22 +0000
From:   Parav Pandit <parav@...dia.com>
To:     Jason Wang <jasowang@...hat.com>, "mst@...hat.com" <mst@...hat.com>
CC:     Eli Cohen <elic@...dia.com>,
        "si-wei.liu@...cle.com" <si-wei.liu@...cle.com>,
        "wuzongyong@...ux.alibaba.com" <wuzongyong@...ux.alibaba.com>,
        "virtualization@...ts.linux-foundation.org" 
        <virtualization@...ts.linux-foundation.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "eperezma@...hat.com" <eperezma@...hat.com>,
        "lingshan.zhu@...el.com" <lingshan.zhu@...el.com>,
        "gdawar@...inx.com" <gdawar@...inx.com>,
        "lulu@...hat.com" <lulu@...hat.com>,
        "xieyongji@...edance.com" <xieyongji@...edance.com>
Subject: RE: [PATCH 0/3] vdpa: device feature provisioning

Hi Jason,

> From: Jason Wang <jasowang@...hat.com>
> Sent: Thursday, September 15, 2022 4:51 AM
> To: mst@...hat.com; jasowang@...hat.com
> Cc: Eli Cohen <elic@...dia.com>; si-wei.liu@...cle.com; Parav Pandit
> <parav@...dia.com>; wuzongyong@...ux.alibaba.com;
> virtualization@...ts.linux-foundation.org; linux-kernel@...r.kernel.org;
> eperezma@...hat.com; lingshan.zhu@...el.com; gdawar@...inx.com;
> lulu@...hat.com; xieyongji@...edance.com
> 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?

Thanks.