RE: [PATCH v5 09/29] iommufd: Do not unmap an owned iopt_area

Tian, Kevin
2025-05-23T07:56:13Z

> From: Nicolin Chen <nicolinc@nvidia.com>
> Sent: Sunday, May 18, 2025 11:21 AM
>
> @@ -48,6 +48,7 @@ struct iopt_area {
> int iommu_prot;
> bool prevent_access : 1;
> unsigned int num_accesses;
> + unsigned int num_owners;

What about 'num_locked' to directly mark out that this area
is locked hence cannot be removed?

Reviewed-by: Kevin Tian <kevin.tian@intel.com>