From: "David Hildenbrand (Arm)" <david@kernel.org>
To: Donggeun Yoo <donggeunyoo.kernel@gmail.com>,
akpm@linux-foundation.org, rppt@kernel.org
Cc: peterx@redhat.com, surenb@google.com, aarcange@redhat.com,
ljs@kernel.org, liam@infradead.org, vbabka@kernel.org,
mhocko@suse.com, shuah@kernel.org, kas@kernel.org,
linux-mm@kvack.org, linux-kselftest@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v4 2/2] selftests/mm: add tests for UFFDIO_MOVE of a uffd-protected swap entry
Date: Mon, 5 Oct 2026 12:43:48 +0200 [thread overview]
Message-ID: <4a24f7b1-65f7-4947-a325-7c9e9f642f2a@kernel.org> (raw)
In-Reply-To: <20261003103030.63380-3-donggeunyoo.kernel@gmail.com>
On 10/3/26 12:30, Donggeun Yoo wrote:
> Move a swapped-out page out of a write-protected or RWP-protected area into
> a destination registered for missing faults only, and read pagemap bit 57
> at the destination. The destination was never protected, so the bit must
> be clear.
>
> Assisted-by: LLM
> Signed-off-by: Donggeun Yoo <donggeunyoo.kernel@gmail.com>
> ---
> tools/testing/selftests/mm/uffd-unit-tests.c | 84 ++++++++++++++++++++
The CI complains as reply to this patch:
...
Running userfaultfd(2) test
✗ userfaultfd(2) tests failed
Running VMA merge test
# # Totals: pass:27 fail:0 xfail:0 xpass:0 skip:0 error:0
# SUMMARY: PASS=1 SKIP=0 FAIL=0
✓ VMA merge tests passed
Running vmalloc test
# SUMMARY: PASS=1 SKIP=0 FAIL=0
✓ vmalloc tests passed
==========================================
✗ userfaultfd(2) test failed:
# not ok 43 minor-collapse on shmem
------------------------------------------
Didn't look into the details / trying to reproduce.
--
Cheers,
David
next prev parent reply other threads:[~2026-10-05 10:43 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-03 10:30 [PATCH v4 0/2] userfaultfd: clear the inherited uffd bit in move_swap_pte() Donggeun Yoo
2026-10-03 10:30 ` [PATCH v4 1/2] " Donggeun Yoo
2026-10-03 10:30 ` [PATCH v4 2/2] selftests/mm: add tests for UFFDIO_MOVE of a uffd-protected swap entry Donggeun Yoo
2026-10-05 10:43 ` David Hildenbrand (Arm) [this message]
2026-10-05 11:50 ` Donggeun Yoo
2026-10-07 10:03 ` David Hildenbrand (Arm)
2026-10-04 20:07 ` [PATCH v4 0/2] userfaultfd: clear the inherited uffd bit in move_swap_pte() Andrew Morton
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