[PATCH v5 03/29] iommu: Apply the new iommufd_object_alloc_ucmd helper

[Jason Gunthorpe]

On Sat, May 17, 2025 at 08:21:20PM -0700, Nicolin Chen wrote:
> 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>
> Signed-off-by: Nicolin Chen <nicolinc at nvidia.com>
> ---
>  drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.h   |  2 +-
>  include/linux/iommu.h                         |  6 +++---
>  include/linux/iommufd.h                       |  9 +++------
>  .../arm/arm-smmu-v3/arm-smmu-v3-iommufd.c     |  4 ++--
>  drivers/iommu/iommufd/eventq.c                | 14 ++++---------
>  drivers/iommu/iommufd/selftest.c              |  4 ++--
>  drivers/iommu/iommufd/viommu.c                | 20 ++++---------------
>  7 files changed, 19 insertions(+), 40 deletions(-)

Good diffstat..

Reviewed-by: Jason Gunthorpe <jgg at nvidia.com>

Jason