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From: Jason Gunthorpe <jgg@nvidia.com>
To: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: kvm@vger.kernel.org, linux-doc@vger.kernel.org,
	David Airlie <airlied@linux.ie>,
	dri-devel@lists.freedesktop.org,
	Kirti Wankhede <kwankhede@nvidia.com>,
	Christoph Hellwig <hch@lst.de>,
	linux-s390@vger.kernel.org, Jonathan Corbet <corbet@lwn.net>,
	"Rafael J. Wysocki" <rafael@kernel.org>,
	Halil Pasic <pasic@linux.ibm.com>,
	Christian Borntraeger <borntraeger@de.ibm.com>,
	intel-gfx@lists.freedesktop.org,
	Jason Herne <jjherne@linux.ibm.com>,
	Vasily Gorbik <gor@linux.ibm.com>,
	Heiko Carstens <hca@linux.ibm.com>,
	Alex Williamson <alex.williamson@redhat.com>,
	Rodrigo Vivi <rodrigo.vivi@intel.com>,
	Tony Krowiak <akrowiak@linux.ibm.com>,
	Cornelia Huck <cohuck@redhat.com>
Subject: Re: [PATCH 07/10] vfio/mdev: Allow the mdev_parent_ops to specify the device driver to bind
Date: Tue, 15 Jun 2021 21:00:40 -0300	[thread overview]
Message-ID: <20210616000040.GE1002214@nvidia.com> (raw)
In-Reply-To: <YMi1EcrhatlaH4AX@kroah.com>

On Tue, Jun 15, 2021 at 04:11:29PM +0200, Greg Kroah-Hartman wrote:
> On Tue, Jun 15, 2021 at 03:35:16PM +0200, Christoph Hellwig wrote:
> > From: Jason Gunthorpe <jgg@nvidia.com>
> > 
> > This allows a mdev driver to opt out of using vfio_mdev.c, instead the
> > driver will provide a 'struct mdev_driver' and register directly with the
> > driver core.
> > 
> > Much of mdev_parent_ops becomes unused in this mode:
> > - create()/remove() are done via the mdev_driver probe()/remove()
> > - mdev_attr_groups becomes mdev_driver driver.dev_groups
> > - Wrapper function callbacks are replaced with the same ones from
> >   struct vfio_device_ops
> > 
> > Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
> > Signed-off-by: Christoph Hellwig <hch@lst.de>
> 
> Messy, but ok...

Is there something you'd like to see changed, eg in later patches?
This whole work still has another approx 30 patches to go and much of
this ends up being erased once the drivers are all converted.

Jason

  reply	other threads:[~2021-06-16  0:00 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20210615133519.754763-1-hch@lst.de>
     [not found] ` <20210615133519.754763-5-hch@lst.de>
2021-06-15 14:03   ` [PATCH 04/10] driver core: Don't return EPROBE_DEFER to userspace during sysfs bind Cornelia Huck
2021-06-15 19:36   ` Alex Williamson
     [not found] ` <20210615133519.754763-8-hch@lst.de>
2021-06-15 14:06   ` [PATCH 07/10] vfio/mdev: Allow the mdev_parent_ops to specify the device driver to bind Cornelia Huck
2021-06-15 14:11   ` Greg Kroah-Hartman
2021-06-16  0:00     ` Jason Gunthorpe [this message]
2021-06-16  6:39       ` Greg Kroah-Hartman
2021-06-16 20:20   ` Kirti Wankhede
     [not found] ` <20210615133519.754763-6-hch@lst.de>
2021-06-15 14:10   ` [PATCH 05/10] driver core: Export device_driver_attach() Greg Kroah-Hartman
     [not found] ` <20210615133519.754763-10-hch@lst.de>
2021-06-15 14:12   ` [PATCH 09/10] vfio/mdpy: Convert to use vfio_register_group_dev() Greg Kroah-Hartman
     [not found] ` <20210615133519.754763-11-hch@lst.de>
2021-06-15 14:12   ` [PATCH 10/10] vfio/mbochs: " Greg Kroah-Hartman
2021-06-15 19:35 ` Allow mdev drivers to directly create the vfio_device (v3) Alex Williamson
2021-06-15 20:35   ` Jason Gunthorpe
     [not found]     ` <20210616031313.GA24992@lst.de>
2021-06-16 14:03       ` Jason Gunthorpe
     [not found] ` <20210615133519.754763-3-hch@lst.de>
2021-06-15 13:53   ` [PATCH 02/10] driver core: Better distinguish probe errors in really_probe Cornelia Huck
2021-06-15 14:09     ` Greg Kroah-Hartman
2021-06-15 14:09   ` Greg Kroah-Hartman
2021-06-16 20:20   ` Kirti Wankhede
     [not found] ` <20210615133519.754763-7-hch@lst.de>
2021-06-15 14:10   ` [PATCH 06/10] vfio/mdev: Remove CONFIG_VFIO_MDEV_DEVICE Greg Kroah-Hartman
2021-06-16 20:20   ` Kirti Wankhede
     [not found] ` <20210615133519.754763-9-hch@lst.de>
2021-06-15 14:11   ` [PATCH 08/10] vfio/mtty: Convert to use vfio_register_group_dev() Greg Kroah-Hartman
2021-06-16 20:20   ` Kirti Wankhede
     [not found] <20210614150846.4111871-1-hch@lst.de>
     [not found] ` <20210614150846.4111871-8-hch@lst.de>
2021-06-15 10:54   ` [PATCH 07/10] vfio/mdev: Allow the mdev_parent_ops to specify the device driver to bind Cornelia Huck

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