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>
This commit is contained in:
Mostafa Saleh 2024-10-24 16:25:16 +00:00 • committed by Will Deacon
commit d64c805337