Re: [PATCH v2] vfio/ap_ops: Add missed vfio_uninit_group_dev()

[Jason Gunthorpe <jgg@nvidia.com>]

On Mon, Sep 20, 2021 at 05:26:25PM -0400, Tony Krowiak wrote:
> 
> 
> On 9/16/21 2:51 PM, Alex Williamson wrote:
> > On Fri, 10 Sep 2021 20:06:30 -0300
> > Jason Gunthorpe <jgg@nvidia.com> wrote:
> > 
> > > Without this call an xarray entry is leaked when the vfio_ap device is
> > > unprobed. It was missed when the below patch was rebased across the
> > > dev_set patch.
> > > 
> > > Fixes: eb0feefd4c02 ("vfio/ap_ops: Convert to use vfio_register_group_dev()")
> > > Reviewed-by: Christoph Hellwig <hch@lst.de>
> > > Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
> > >   drivers/s390/crypto/vfio_ap_ops.c | 2 ++
> > >   1 file changed, 2 insertions(+)
> > Hi Tony, Halil, Jason (H),
> > 
> > Any acks for this one?  Thanks,
> > 
> > Alex
> 
> I installed this on a test system running the latest linux
> code from our library and ran our test suite. I got the
> following running a simple test case that assigns some
> adapters and domains to a mediated device then
> starts a guest using the mdev.

Oh, neat. There is no reason for this stuff to be in the
matrix_dev->lock, it should be symmetrical with the error unwind in
probe.

I'll resend it.

Thanks,
Jason