Re: [PATCH] s390/cio: introduce driver_override on the css bus

Cornelia Huck
2019-07-03T15:28:40Z

On Wed, 3 Jul 2019 17:09:53 +0200
Vasily Gorbik <gor@linux.ibm.com> wrote:

> On Wed, Jul 03, 2019 at 04:55:06PM +0200, Cornelia Huck wrote:
> > On Mon, 24 Jun 2019 09:17:40 +0200
> > Cornelia Huck <cohuck@redhat.com> wrote:
> >
> > > On Fri, 21 Jun 2019 18:19:36 +0200 (CEST)
> > > Sebastian Ott <sebott@linux.ibm.com> wrote:
> > >
> > > > On Thu, 13 Jun 2019, Cornelia Huck wrote:
> > > > > Sometimes, we want to control which of the matching drivers
> > > > > binds to a subchannel device (e.g. for subchannels we want to
> > > > > handle via vfio-ccw).
> > > > >
> > > > > For pci devices, a mechanism to do so has been introduced in
> > > > > 782a985d7af2 ("PCI: Introduce new device binding path using
> > > > > pci_dev.driver_override"). It makes sense to introduce the
> > > > > driver_override attribute for subchannel devices as well, so
> > > > > that we can easily extend the 'driverctl' tool (which makes
> > > > > use of the driver_override attribute for pci).
> > > > >
> > > > > Note that unlike pci we still require a driver override to
> > > > > match the subchannel type; matching more than one subchannel
> > > > > type is probably not useful anyway.
> > > > >
> > > > > Signed-off-by: Cornelia Huck <cohuck@redhat.com>
> > > >
> > > > Reviewed-by: Sebastian Ott <sebott@linux.ibm.com>
> > > >
> > > > Should I take that via our git tree or do you have other patches depending
> > > > on this one?
> > > >
> > >
> > > No, this patch is stand-alone; everything else is happening in user
> > > space, so taking it via your tree would be great. Thanks!
> >
> > Friendly ping (I don't see it on s390/features yet; or is this going
> > via some other path?)
> >
>
> It is there now. Just waited until latest ci results to push the branch.
> Sorry for delay.
>

Awesome, thanks!