From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5AFDAC10F11 for ; Tue, 23 Apr 2019 01:22:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3168C2077C for ; Tue, 23 Apr 2019 01:22:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729215AbfDWBWa (ORCPT ); Mon, 22 Apr 2019 21:22:30 -0400 Received: from mail2.tencent.com ([163.177.67.195]:35609 "EHLO mail2.tencent.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727263AbfDWBW3 (ORCPT ); Mon, 22 Apr 2019 21:22:29 -0400 Received: from EXHUB-SZMail01.tencent.com (unknown [10.14.6.21]) by mail2.tencent.com (Postfix) with ESMTP id A4D688EB65; Tue, 23 Apr 2019 09:22:27 +0800 (CST) Received: from localhost.localdomain (10.35.10.40) by EXHUB-SZMail01.tencent.com (10.14.6.21) with Microsoft SMTP Server id 14.3.408.0; Tue, 23 Apr 2019 09:22:27 +0800 From: Jiang Biao To: , CC: , Subject: [PATCH] rcu/tree_exp: cleanup initialized but not used rdp Date: Tue, 23 Apr 2019 09:21:55 +0800 Message-ID: <20190423012155.30606-1-benbjiang@tencent.com> X-Mailer: git-send-email 2.17.2 (Apple Git-113) MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.35.10.40] Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org rdp is initialized but never used in synchronize_rcu_expedited(), just remove it. Signed-off-by: Jiang Biao --- 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)