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iommu/io-pgtable-arm: Add self test for the last page in the IAS
Add a case in the selftests that can detect some bugs with concatenated page tables, where it maps the biggest supported page size at the end of the IAS, this test would fail without the previous fix. Signed-off-by: Mostafa Saleh <smostafa@google.com> Link: https://lore.kernel.org/r/20241024162516.2005652-3-smostafa@google.com Signed-off-by: Will Deacon <will@kernel.org>
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