[PATCH v2 14/14] iommufd: Apply the new iommufd_object_alloc_ucmd helper

[Tian, Kevin]

> From: Nicolin Chen <nicolinc at nvidia.com>
> Sent: Saturday, June 14, 2025 2:35 PM
> 
> Now the new ucmd-based object allocator eases the finalize/abort routine,
> apply this to all existing allocators that aren't protected by any lock.
> 
> Upgrade the for-driver vIOMMU alloctor too, and pass down to all existing
> viommu_alloc op accordingly.
> 
> Note that __iommufd_object_alloc_ucmd() builds in some static tests that
> cover both static_asserts in the iommufd_viommu_alloc(). Thus drop them.
> 
> Suggested-by: Jason Gunthorpe <jgg at nvidia.com>
> Reviewed-by: Jason Gunthorpe <jgg at nvidia.com>
> Signed-off-by: Nicolin Chen <nicolinc at nvidia.com>

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