From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx1.redhat.com ([209.132.183.28]:36958 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725933AbfGCP2k (ORCPT ); Wed, 3 Jul 2019 11:28:40 -0400 Date: Wed, 3 Jul 2019 17:28:34 +0200 From: Cornelia Huck Subject: Re: [PATCH] s390/cio: introduce driver_override on the css bus Message-ID: <20190703172834.31ed1848.cohuck@redhat.com> In-Reply-To: References: <20190613110815.17251-1-cohuck@redhat.com> <20190624091740.1d9c6c1d.cohuck@redhat.com> <20190703165506.53d3911c.cohuck@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-s390-owner@vger.kernel.org List-ID: To: Vasily Gorbik Cc: Sebastian Ott , Peter Oberparleiter , Halil Pasic , Alex Williamson , Heiko Carstens , Christian Borntraeger , linux-s390@vger.kernel.org, linux-kernel@vger.kernel.org On Wed, 3 Jul 2019 17:09:53 +0200 Vasily Gorbik 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 wrote: > > > > > On Fri, 21 Jun 2019 18:19:36 +0200 (CEST) > > > Sebastian Ott 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 > > > > > > > > Reviewed-by: Sebastian Ott > > > > > > > > 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!