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

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