Re: [PATCH v3 02/10] selftests: liveupdate: Add tests for preserve and retrieve user argument

[Pratyush Yadav]

On Tue, Nov 03 2026, David Matlack wrote:

> From: Pasha Tatashin <pasha.tatashin@xxxxxxxxxx>
>
> 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@xxxxxxxxxx>
> Signed-off-by: David Matlack <dmatlack@xxxxxxxxxx>

Reviewed-by: Pratyush Yadav (Google) <pratyush@xxxxxxxxxx>

[...]

-- 
Regards,
Pratyush Yadav