Re: [dpdk-dev] [PATCH 2/3] usertools: add hv_uio_setup script

[Stephen Hemminger <stephen@networkplumber.org>]

On Thu, 05 Apr 2018 23:10:33 +0200
Thomas Monjalon <thomas@monjalon.net> wrote:

> 05/04/2018 23:07, Bruce Richardson:
> > On Thu, Apr 05, 2018 at 10:43:39PM +0200, Thomas Monjalon wrote:  
> > > 05/04/2018 21:13, Stephen Hemminger:  
> > > > Small script to rebind netvsc kernel device to Hyper-V
> > > > networking PMD. It could be integrated in dpdk-bind, but dpdk-bind
> > > > is focused on PCI, and that would get messy.
> > > > 
> > > > Eventually, this functionality will be built into netvsc driver
> > > > (see vdev_netvsc as an example).  
> > > 
> > > I believe we should avoid creating such script.
> > > The direction to go, for hotplug, is to remove dpdk-devbind.py,
> > > and implement kernel binding in PMDs (with EAL helpers).
> > >  
> > I'm not convinced at all that that is the direction to go. I instead would
> > prefer to see all binding happen outside DPDK. I believe having udev or
> > similar manage bindings, set up via e.g driverctl[1], is a far better path.  
> 
> This is a system admin tool, and only for Linux.
> Having the binding logic inside DPDK, allows the application to control
> how hotplug behave.
> 
> 

What about using driverctl?
That solution would work for both PCI and VMBUS, but not sure how widely
adopted it is by distributions.