Subject: Re: [PATCH v7 net-next 4/4] netvsc: refactor notifier/event handling code to use the failover framework

From: "Michael S. Tsirkin" <[email-masked]>
Date: Mon, 23 Apr 2018 20:24:56 +0300

On Mon, Apr 23, 2018 at 10:04:06AM -0700, Stephen Hemminger wrote:
> > >
> > >I will NAK patches to change to common code for netvsc especially the
> > >three device model.  MS worked hard with distro vendors to support transparent
> > >mode, ans we really can't have a new model; or do backport.
> > >
> > >Plus, DPDK is now dependent on existing model.  
> > 
> > Sorry, but nobody here cares about dpdk or other similar oddities.
> 
> The network device model is a userspace API, and DPDK is a userspace application.

It is userspace but are you sure dpdk is actually poking at netdevs?
AFAIK it's normally banging device registers directly.

> You can't go breaking userspace even if you don't like the application.

Could you please explain how is the proposed patchset breaking
userspace? Ignoring DPDK for now, I don't think it changes the userspace
API at all.

-- 
MST