[PATCH 3/6] vfio: remove the unused mdev iommu hook

[Jason Gunthorpe]

On Mon, May 10, 2021 at 08:54:02AM +0200, Christoph Hellwig wrote:
> The iommu_device field in struct mdev_device has never been used
> since it was added more than 2 years ago.
> 
> Signed-off-by: Christoph Hellwig <hch at lst.de>
> ---
>  drivers/vfio/vfio_iommu_type1.c | 132 ++++++--------------------------
>  include/linux/mdev.h            |  20 -----
>  2 files changed, 25 insertions(+), 127 deletions(-)

I asked Intel folks to deal with this a month ago:

https://lore.kernel.org/kvm/20210406200030.GA425310@nvidia.com/

So lets just remove it, it is clearly a bad idea

Reviewed-by: Jason Gunthorpe <jgg at nvidia.com>

Jason