On Wed, Jan 21, 2026 at 02:50:54PM -0500, Joel Fernandes wrote:
>
>
> On 1/21/2026 2:41 PM, Paul E. McKenney wrote:
> > On Wed, Jan 21, 2026 at 02:13:56PM -0500, Joel Fernandes wrote:
> >>
> >>
> >> On 1/21/2026 2:09 PM, Paul E. McKenney wrote:
> >>> On Mon, Jan 19, 2026 at 06:12:20PM -0500, Joel Fernandes wrote:
> >>>> These are a few nocb related cleanup patches for the next merge window.
> >>>>
> >>>> Also Frederic please object to the second patch ("Remove dead callback
> >>>> overload
> >>>> handling") if you would like, but I think based on our discussion I have
> >>>> implemented your suggestion, so it should be good.
> >>>>
> >>>> Changes from v2:
> >>>> - Dropped patch 2 "Add warning if no rcuog wake up attempt happened
> >>>> during
> >>>> overload" as it was not needed since we removed the dead CB overload
> >>>> handling.
> >>>> - Replaced "Add warning to detect if overload advancement is ever
> >>>> useful" with
> >>>> "Remove dead callback overload handling" per Frederic's feedback -
> >>>> instead of
> >>>> adding a warning, just remove the dead code path entirely.
> >>>>
> >>>> nocb rcutorture scenarios passed overnight testing on my system.
> >>>
> >>> I reverted three of your earlier patches in order to apply this, only
> >>> one of which I am really confident in. Please check my -rcu tree to see
> >>> if any of the three should be added back in, and I am starting tests in
> >>> the meantime.Age Commit message (Expand) Author Files Lines
> >>
> >> Per your latest /dev branch
> >> (https://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-rcu.git/log/?h=dev),
> >> you have the latest 3 patches:
> >>
> >> Extract nocb_defer_wakeup_cancel() helperdev Joel Fernandes 1
> >> -8/+11
> >> rcu/nocb: Remove dead callback overload handling Joel Fernandes 1
> >> -12/+0
> >> rcu/nocb: Remove unnecessary WakeOvfIsDeferred wake path Joel Fernandes
> >> 3 -36/+18
> >
> > Thank you for checking!
> >
> > And just to double-check, all of the patches that I reverted are obsolete,
> > correct?
>
> Yes, those patches were from v2. You have correctly applied the latest v3
> version.
Woo-hoo!!! ;-)
Thanx, Paul
