Commit-ID: f0b635627395223d3c60a3105372b4349e04772f
Gitweb: https://git.kernel.org/tip/f0b635627395223d3c60a3105372b4349e04772f
Author: Jiang Biao <benbjiang@xxxxxxxxxxx>
AuthorDate: Tue, 23 Apr 2019 09:21:55 +0800
Committer: Paul E. McKenney <paulmck@xxxxxxxxxxxxx>
CommitDate: Tue, 28 May 2019 08:48:19 -0700
rcu: Remove unused rdp local from synchronize_rcu_expedited()
Because rdp is initialized but never used in synchronize_rcu_expedited(),
this commit removes it.
Signed-off-by: Jiang Biao <benbjiang@xxxxxxxxxxx>
Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxxxxx>
---
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 e0c928d04be5..8e539710721a 100644
--- a/kernel/rcu/tree_exp.h
+++ b/kernel/rcu/tree_exp.h
@@ -793,7 +793,6 @@ static int rcu_print_task_exp_stall(struct rcu_node *rnp)
*/
void synchronize_rcu_expedited(void)
{
- struct rcu_data *rdp;
struct rcu_exp_work rew;
struct rcu_node *rnp;
unsigned long s;
@@ -830,7 +829,6 @@ 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));
|