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=-13.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,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 36FFBC433E7 for ; Mon, 31 Aug 2020 18:14:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0F8842068E for ; Mon, 31 Aug 2020 18:14:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598897678; bh=Box1kWeVc7CIfTF+goBNe9r4zO+NG/VypJiI1JWoJqc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=H1Ta+KC/hd0Fz/+H73leYiIlAz9xEuN8RiLtYMFYNaup1RthXuQTFa1C2oVxqq8wT /OIyZjMlOsOTGvV7wSn2EeB5OXJ6J6/xilbZYQxdC8NVLbCTFCCwZ/PjjfFHQXPdcb 5cJrj6bgAhRLofiikaBLoP5uvT7MVtTNf1ZlHI9g= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729498AbgHaSOa (ORCPT ); Mon, 31 Aug 2020 14:14:30 -0400 Received: from mail.kernel.org ([198.145.29.99]:42840 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729243AbgHaSOT (ORCPT ); Mon, 31 Aug 2020 14:14:19 -0400 Received: from paulmck-ThinkPad-P72.home (unknown [50.45.173.55]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 579A2214DB; Mon, 31 Aug 2020 18:14:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1598897659; bh=Box1kWeVc7CIfTF+goBNe9r4zO+NG/VypJiI1JWoJqc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ht1rfbEdnBdWZjF7Fvey/mpqC+FPpcoC/qwMHWOfcEfg6TM+oYuWymsa3clnxIaiK +tWYAn+XGSaVdxh9SBxyzicp02RKjaN5Q1euZY72Rj9nxIUDu26cOV+zVcRw9qcbJ/ a39+UmDzS/hK+sj1YvxMbdH+S60qHevV7dvcP3uQ= From: paulmck@kernel.org To: rcu@vger.kernel.org Cc: linux-kernel@vger.kernel.org, kernel-team@fb.com, mingo@kernel.org, jiangshanlai@gmail.com, dipankar@in.ibm.com, akpm@linux-foundation.org, mathieu.desnoyers@efficios.com, josh@joshtriplett.org, tglx@linutronix.de, peterz@infradead.org, rostedt@goodmis.org, dhowells@redhat.com, edumazet@google.com, fweisbec@gmail.com, oleg@redhat.com, joel@joelfernandes.org, Wei Yongjun , "Paul E . McKenney" , Sebastian Andrzej Siewior Subject: [PATCH tip/core/rcu 4/4] smp: Make symbol 'csd_bug_count' static Date: Mon, 31 Aug 2020 11:14:17 -0700 Message-Id: <20200831181417.1378-4-paulmck@kernel.org> X-Mailer: git-send-email 2.9.5 In-Reply-To: <20200831181356.GA1224@paulmck-ThinkPad-P72> References: <20200831181356.GA1224@paulmck-ThinkPad-P72> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Wei Yongjun The sparse tool complains as follows: kernel/smp.c:107:10: warning: symbol 'csd_bug_count' was not declared. Should it be static? Because variable is not used outside of smp.c, this commit marks it static. Reported-by: Hulk Robot Signed-off-by: Wei Yongjun Signed-off-by: Paul E. McKenney Cc: Peter Zijlstra Cc: Ingo Molnar Cc: Thomas Gleixner Cc: Sebastian Andrzej Siewior --- kernel/smp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/smp.c b/kernel/smp.c index c5d3188..b25383d 100644 --- a/kernel/smp.c +++ b/kernel/smp.c @@ -106,7 +106,7 @@ static DEFINE_PER_CPU(smp_call_func_t, cur_csd_func); static DEFINE_PER_CPU(void *, cur_csd_info); #define CSD_LOCK_TIMEOUT (5ULL * NSEC_PER_SEC) -atomic_t csd_bug_count = ATOMIC_INIT(0); +static atomic_t csd_bug_count = ATOMIC_INIT(0); /* Record current CSD work for current CPU, NULL to erase. */ static void csd_lock_record(call_single_data_t *csd) -- 2.9.5