Re: Selftests powerpc/primitives test hangs (linux-next)

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On 03/03/2023 10:19:29, Sachin Sant wrote:
> 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
> 

My mistake, bad_access_pkey() and bad_access() are releasing the mmap_lock.
Writing a fix...




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