[PATCH v4 03/11] iommufd: Add iommufd_verify_unfinalized_object

[Tian, Kevin]

> From: Nicolin Chen <nicolinc at nvidia.com>
> Sent: Tuesday, October 22, 2024 8:19 AM
> 
> To support driver-allocated vIOMMU objects, it's suggested to call the
> allocator helper in IOMMU dirvers. However, there is no guarantee that
> drivers will all use it and allocate objects properly.
> 
> Add a helper for iommufd core to verify if an unfinalized object is at
> least reserved in the ictx.
> 
> Signed-off-by: Nicolin Chen <nicolinc at nvidia.com>

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