[PATCH 04/19] iommu/arm-smmu-v3: Make STE programming independent of the callers

[Michael Shavit]

On Wed, Dec 27, 2023 at 11:46 PM Jason Gunthorpe <jgg at nvidia.com> wrote:
>
>        } else { // hweight8 == 0
>              set(qword_start=0,qword_end=N);
>        }
About this branch: wouldn't it be more clear to explicitly do nothing
or warn if any of the bits differ? We shouldn't ever expect to see the
STE differ in unused-bits position.