From: Jason Gunthorpe jgg@nvidia.com Sent: Thursday, February 23, 2023 5:03 AM
A later patch will require this locking - currently under the ioas mutex the hwpt can not have a 0 reference and be on the list.
Signed-off-by: Jason Gunthorpe jgg@nvidia.com
Reviewed-by: Kevin Tian kevin.tian@intel.com