Re: [PATCH] vdpa: mandate 1.0 device

From: Stefano Garzarella
Date: Fri Jun 04 2021 - 03:58:07 EST


On Fri, Jun 04, 2021 at 01:02:51PM +0800, Jason Wang wrote:
This patch mandates 1.0 for vDPA devices. The plan is never to support
transitional devices for vDPA devices in the future.

The reasons are:

- To have the semantic of normative statement in the virtio spec and
eliminate the burden of transitional device for both vDPA bus and
vDPA parent
- Eliminate the efforts for dealing with endian conversion in the
management tool
- Mandate vDPA vendor to ship modern device instead of transitional
device which is easily broken and unsafe
- Transitional device never work since the first day of vDPA

Signed-off-by: Jason Wang <jasowang@xxxxxxxxxx>
---
include/linux/vdpa.h | 6 ++++++
1 file changed, 6 insertions(+)

Reviewed-by: Stefano Garzarella <sgarzare@xxxxxxxxxx>