netdev - Re: [net-next v2 1/1] virtual-bus: Implementation of Virtual Bus

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Date:   Wed, 20 Nov 2019 09:33:49 -0400
From:   Jason Gunthorpe <jgg@...pe.ca>
To:     Jason Wang <jasowang@...hat.com>
Cc:     Parav Pandit <parav@...lanox.com>,
        Jeff Kirsher <jeffrey.t.kirsher@...el.com>,
        davem@...emloft.net, gregkh@...uxfoundation.org,
        Dave Ertman <david.m.ertman@...el.com>, netdev@...r.kernel.org,
        linux-rdma@...r.kernel.org, nhorman@...hat.com,
        sassmann@...hat.com, Kiran Patil <kiran.patil@...el.com>,
        "Michael S. Tsirkin" <mst@...hat.com>,
        Alex Williamson <alex.williamson@...hat.com>,
        Tiwei Bie <tiwei.bie@...el.com>
Subject: Re: [net-next v2 1/1] virtual-bus: Implementation of Virtual Bus

On Tue, Nov 19, 2019 at 10:24:51PM -0500, Jason Wang wrote:

> > The driver providing the virtio should really be in control of the
> > life cycle policy. For net related virtio that is clearly devlink.
> 
> As replied in another thread, there were already existed devices
> (Intel IFC VF) that doesn't use devlink.

Why is that a justification? Drivers can learn to use devlink, it
isn't like it is set in stone.

Jason