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
thanks,
--
Joel Fernandes
