APPLIED: [SRU][J:linux-bluefield][PATCH v1 0/1] mlxbf_gige: stop interface during shutdown

[Bartlomiej Zolnierkiewicz]

Applied to jammy:linux-bluefield/master-next. Thanks.

--
Best regards,
Bartlomiej

On Tue, Apr 2, 2024 at 4:15 PM David Thompson <davthompson at nvidia.com> wrote:
>
> BugLink: https://bugs.launchpad.net/bugs/2059951
>
> SRU Justification:
>
> [Impact]
> The mlxbf_gige driver shutdown() is invoked during reboot
> processing, but the stop() logic is not guaranteed to execute
> on all distros. If stop() does not execute NAPI remains enabled
> during system shutdown and can cause an exception if NAPI is
> scheduled when interface is shutdown but not stopped.
>
> [Fix]
> The networking interface managed by the mlxbf_gige driver must
> be stopped during reboot processing so that it is put into a
> clean state and driver callbacks won't be called.
>
> [Test Case]
> * Put BF platform into a reboot loop
> * Ensure that BF platform brings up "oob_net0" interface each reboot,
>   and that no mlxbf_gige driver exceptions occur
>
> [Regression Potential]
> There is low potential for regression as this brings in upstream content.
>
> [Other]
> None
>
> David Thompson (1):
>   mlxbf_gige: stop interface during shutdown
>
>  .../net/ethernet/mellanox/mlxbf_gige/mlxbf_gige_main.c | 10 ++++++++--
>  1 file changed, 8 insertions(+), 2 deletions(-)
>