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Date:   Fri, 11 Nov 2022 09:57:23 +0100
From:   Greg KH <gregkh@linuxfoundation.org>
To:     Alex Williamson <alex.williamson@redhat.com>
Cc:     stable@vger.kernel.org, jgg@nvidia.com, kevin.tian@intel.com,
        hch@lst.de, sashal@kernel.org
Subject: Re: [PATCH 6.0] drm/i915/gvt: Add missing
 vfio_unregister_group_dev() call
Message-ID: <Y24Oc6J1VGd+JsDC@kroah.com>
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On Wed, Nov 09, 2022 at 04:31:45PM -0700, Alex Williamson wrote:
> From: Jason Gunthorpe <jgg@nvidia.com>
> 
> [ Upstream commit  f423fa1bc9fe1978e6b9f54927411b62cb43eb04 ]
> 
> When converting to directly create the vfio_device the mdev driver has to
> put a vfio_register_emulated_iommu_dev() in the probe() and a pairing
> vfio_unregister_group_dev() in the remove.
> 
> This was missed for gvt, add it.
> 
> Cc: stable@vger.kernel.org
> Fixes: 978cf586ac35 ("drm/i915/gvt: convert to use vfio_register_emulated_iommu_dev")
> Reported-by: Alex Williamson <alex.williamson@redhat.com>
> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
> Reviewed-by: Kevin Tian <kevin.tian@intel.com>
> Reviewed-by: Christoph Hellwig <hch@lst.de>
> Link: https://lore.kernel.org/r/0-v1-013609965fe8+9d-vfio_gvt_unregister_jgg@nvidia.com
> Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
> 
> Reviewed-by: Kevin Tian <kevin.tian@intel.com> # v6.0 backport
> Signed-off-by: Alex Williamson <alex.williamson@redhat.com> # v6.0 backport
> ---
>  drivers/gpu/drm/i915/gvt/kvmgt.c |    3 +++
>  1 file changed, 3 insertions(+)
> 

Now queued up, thanks.

greg k-h