Re: [PATCH v5 7/7] iommu: Clean up open-coded ownership checks

[Will Deacon]

On Wed, Oct 11, 2023 at 07:14:54PM +0100, Robin Murphy wrote:
> Some drivers already implement their own defence against the possibility
> of being given someone else's device. Since this is now taken care of by
> the core code (and via a slightly different path from the original
> fwspec-based idea), let's clean them up.
> 
> Reviewed-by: Jason Gunthorpe <jgg@xxxxxxxxxx>
> Signed-off-by: Robin Murphy <robin.murphy@xxxxxxx>
> ---
>  drivers/iommu/arm/arm-smmu-v3/arm-smmu-v3.c |  3 ---
>  drivers/iommu/arm/arm-smmu/arm-smmu.c       |  9 +--------
>  drivers/iommu/arm/arm-smmu/qcom_iommu.c     | 16 +++-------------
>  drivers/iommu/mtk_iommu.c                   |  7 +------
>  drivers/iommu/mtk_iommu_v1.c                |  3 ---
>  drivers/iommu/sprd-iommu.c                  |  8 +-------
>  drivers/iommu/virtio-iommu.c                |  3 ---
>  7 files changed, 6 insertions(+), 43 deletions(-)

Acked-by: Will Deacon <will@xxxxxxxxxx>

Will