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

[Jose Ogando]

Acked-by: Jose Ogando <jose.ogando at canonical.com>

Similar comment, specify that this comes from linux-next.

On Wed, 2024-04-03 at 14:57 +0200, Bartlomiej Zolnierkiewicz wrote:
> Acked-by: Bartlomiej Zolnierkiewicz
> <bartlomiej.zolnierkiewicz at canonical.com>
> 
> This commit is cherry-picked from the linux-next tree which should be
> mentioned in the cherry-pick line. However this can be fixed while
> applying.
> 
> 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(-)
> > 
>