* Selftests powerpc/primitives test hangs (linux-next)
@ 2023-03-03 9:19 Sachin Sant
2023-03-06 13:34 ` Laurent Dufour
0 siblings, 1 reply; 2+ messages in thread
From: Sachin Sant @ 2023-03-03 9:19 UTC (permalink / raw)
To: linuxppc-dev; +Cc: linux-mm, surenb, Laurent Dufour
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
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: Selftests powerpc/primitives test hangs (linux-next)
2023-03-03 9:19 Selftests powerpc/primitives test hangs (linux-next) Sachin Sant
@ 2023-03-06 13:34 ` Laurent Dufour
0 siblings, 0 replies; 2+ messages in thread
From: Laurent Dufour @ 2023-03-06 13:34 UTC (permalink / raw)
To: Sachin Sant, linuxppc-dev; +Cc: linux-mm, surenb
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...
^ permalink raw reply [flat|nested] 2+ messages in thread
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