On Tue, Apr 23, 2019 at 09:21:55AM +0800, Jiang Biao wrote: > rdp is initialized but never used in synchronize_rcu_expedited(), > just remove it. > > Signed-off-by: Jiang Biao <benbji...@tencent.com>
I queued and pushed both patches for testing and review, good eyes, thank you! I reworded the subject and commit logs, so could you please check to make sure that I didn't mess anything up? Thanx, Paul > --- > kernel/rcu/tree_exp.h | 2 -- > 1 file changed, 2 deletions(-) > > diff --git a/kernel/rcu/tree_exp.h b/kernel/rcu/tree_exp.h > index 4c2a0189e748..5772612379e4 100644 > --- a/kernel/rcu/tree_exp.h > +++ b/kernel/rcu/tree_exp.h > @@ -733,7 +733,6 @@ static void sync_sched_exp_online_cleanup(int cpu) > */ > void synchronize_rcu_expedited(void) > { > - struct rcu_data *rdp; > struct rcu_exp_work rew; > struct rcu_node *rnp; > unsigned long s; > @@ -770,7 +769,6 @@ void synchronize_rcu_expedited(void) > } > > /* Wait for expedited grace period to complete. */ > - rdp = per_cpu_ptr(&rcu_data, raw_smp_processor_id()); > rnp = rcu_get_root(); > wait_event(rnp->exp_wq[rcu_seq_ctr(s) & 0x3], > sync_exp_work_done(s)); > -- > 2.17.2 (Apple Git-113) >