While running powerpc/primitives selftests, the test (load_unaligned_zeropad) hangs indefinitely. This behaviour is seen with linux-next 6.2.0-next-20230303 on a Power10 logical partition.
Git bisect points to following commit commit 169db3bb460903443e25ac9c0737da45d6bb5402 powerc/mm: try VMA lock-based page fault handling first - Sachin
