On Thu, Mar 7, 2024 at 6:48 PM Joel Fernandes (Google) <joel@xxxxxxxxxxxxxxxxx> wrote: > > In the synchronize_rcu() common case, we will have less than > SR_MAX_USERS_WAKE_FROM_GP number of users per GP. Waking up the kworker > is pointless just to free the last injected wait head since at that point, > all the users have already been awakened. > > Introduce a new counter to track this and prevent the wakeup in the > common case. > > Signed-off-by: Joel Fernandes (Google) <joel@xxxxxxxxxxxxxxxxx> > --- Forgot to mention, this is based on the latest RCU -dev branch and passes light rcutorture testing on all configs. Heavier rcutorture testing (60 minutes) was performed on TREE03. Thanks.
