From: Jiang Biao <benbjiang@tencent.com>
To: <paulmck@linux.ibm.com>, <josh@joshtriplett.org>
Cc: <linux-kernel@vger.kernel.org>, <benbjiang@tencent.com>
Subject: [PATCH] rcu/tree_exp: cleanup initialized but not used rdp
Date: Tue, 23 Apr 2019 09:21:55 +0800 [thread overview]
Message-ID: <20190423012155.30606-1-benbjiang@tencent.com> (raw)
rdp is initialized but never used in synchronize_rcu_expedited(),
just remove it.
Signed-off-by: Jiang Biao <benbjiang@tencent.com>
---
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)
next reply other threads:[~2019-04-23 1:22 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-04-23 1:21 Jiang Biao [this message]
2019-04-23 8:06 ` Paul E. McKenney
2019-04-23 8:45 ` [PATCH] rcu/tree_exp: cleanup initialized but not used rdp(Internet mail) benbjiang(蒋彪)
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