From: Pratyush Yadav <pratyush@kernel.org>
To: David Matlack <dmatlack@google.com>
Cc: kexec@lists.infradead.org, linux-doc@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org,
linux-mm@kvack.org, Alexander Graf <graf@amazon.com>,
Andrew Morton <akpm@linux-foundation.org>,
Baolin Wang <baolin.wang@linux.alibaba.com>,
Christian Brauner <brauner@kernel.org>,
David Hildenbrand <david@kernel.org>,
Hugh Dickins <hughd@google.com>,
Jonathan Corbet <corbet@lwn.net>,
"Liam R. Howlett" <liam@infradead.org>,
Lorenzo Stoakes <ljs@kernel.org>,
Michal Hocko <mhocko@suse.com>, Mike Rapoport <rppt@kernel.org>,
Pasha Tatashin <pasha.tatashin@soleen.com>,
Pratyush Yadav <pratyush@kernel.org>,
Randy Dunlap <rdunlap@infradead.org>,
Samiullah Khawaja <skhawaja@google.com>,
Shuah Khan <skhan@linuxfoundation.org>,
Suren Baghdasaryan <surenb@google.com>,
Vlastimil Babka <vbabka@kernel.org>
Subject: Re: [PATCH v3 02/10] selftests: liveupdate: Add tests for preserve and retrieve user argument
Date: Wed, 04 Nov 2026 14:26:29 +0100 [thread overview]
Message-ID: <2vxzzevok9ru.fsf@kernel.org> (raw)
In-Reply-To: <20261103010216.3447716-3-dmatlack@google.com> (David Matlack's message of "Tue, 3 Nov 2026 01:02:08 +0000")
On Tue, Nov 03 2026, David Matlack wrote:
> From: Pasha Tatashin <pasha.tatashin@soleen.com>
>
> Verify the user argument support in LIVEUPDATE_SESSION_PRESERVE_FD and
> LIVEUPDATE_SESSION_RETRIEVE_FD. Add luo_session_preserve_fd_arg() and
> luo_session_retrieve_fd_arg() helpers to libliveupdate so tests can pass
> a handler-specific argument.
>
> Add a preserve_memfd_with_arg test case to verify that memfd
> preservation rejects a non-zero argument with -EOPNOTSUPP, accepts an
> explicit zero argument, and remains compatible with callers passing the
> legacy struct size up to the token field.
>
> Signed-off-by: Pasha Tatashin <pasha.tatashin@soleen.com>
> Signed-off-by: David Matlack <dmatlack@google.com>
Reviewed-by: Pratyush Yadav (Google) <pratyush@kernel.org>
[...]
--
Regards,
Pratyush Yadav
next prev parent reply other threads:[~2026-11-04 13:26 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-11-03 1:02 [PATCH v3 00/10] liveupdate: Preserve tmpfs files across Live Update David Matlack
2026-11-03 1:02 ` [PATCH v3 01/10] liveupdate: Pass user argument to file preserve and retrieve David Matlack
2026-11-04 1:03 ` sashiko-bot
2026-11-04 13:17 ` Pratyush Yadav
2026-11-03 1:02 ` [PATCH v3 02/10] selftests: liveupdate: Add tests for preserve and retrieve user argument David Matlack
2026-11-04 1:03 ` sashiko-bot
2026-11-04 13:26 ` Pratyush Yadav [this message]
2026-11-03 1:02 ` [PATCH v3 03/10] liveupdate: Allow file handlers to mark retrieve failures as retryable David Matlack
2026-11-04 1:03 ` sashiko-bot
2026-11-04 14:12 ` Pratyush Yadav
2026-11-04 16:15 ` Pasha Tatashin
2026-11-03 1:02 ` [PATCH v3 04/10] mm: Rename memfd_luo to shmem_luo David Matlack
2026-11-04 1:03 ` sashiko-bot
2026-11-04 14:25 ` Pratyush Yadav
2026-11-03 1:02 ` [PATCH v3 05/10] liveupdate: Don't WARN if tracking a retrieved file fails David Matlack
2026-11-04 1:03 ` sashiko-bot
2026-11-04 14:32 ` Pratyush Yadav
2026-11-03 1:02 ` [PATCH v3 06/10] mm/shmem_luo: Don't make early retrieve failures permanent David Matlack
2026-11-04 1:03 ` sashiko-bot
2026-11-04 15:01 ` Pratyush Yadav
2026-11-04 22:28 ` David Matlack
2026-11-03 1:02 ` [PATCH v3 07/10] mm/shmem_luo: Retrieve tmpfs files onto a tmpfs mount chosen by userspace David Matlack
2026-11-04 0:43 ` Pasha Tatashin
2026-11-04 1:03 ` sashiko-bot
2026-11-04 16:27 ` Pratyush Yadav
2026-11-04 22:30 ` David Matlack
2026-11-03 1:02 ` [PATCH v3 08/10] mm/shmem_luo: Allow preserving tmpfs files that are still linked David Matlack
2026-11-04 0:43 ` Pasha Tatashin
2026-11-04 1:03 ` sashiko-bot
2026-11-04 16:45 ` Pratyush Yadav
2026-11-04 22:32 ` David Matlack
2026-11-03 1:02 ` [PATCH v3 09/10] mm/shmem_luo: Allow retrieving tmpfs files with O_RDONLY David Matlack
2026-11-04 0:43 ` Pasha Tatashin
2026-11-04 1:03 ` sashiko-bot
2026-11-04 16:52 ` Pratyush Yadav
2026-11-04 19:45 ` Pasha Tatashin
2026-11-04 22:35 ` David Matlack
2026-11-03 1:02 ` [PATCH v3 10/10] selftests/liveupdate: Add a test for preserving tmpfs files David Matlack
2026-11-04 0:43 ` Pasha Tatashin
2026-11-04 1:03 ` sashiko-bot
2026-11-04 16:59 ` Pratyush Yadav
2026-11-04 19:37 ` Pasha Tatashin
2026-11-04 22:42 ` David Matlack
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