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=-15.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS 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 D6E59C432BE for ; Tue, 3 Aug 2021 14:17:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BD46E6054F for ; Tue, 3 Aug 2021 14:17:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236501AbhHCORb (ORCPT ); Tue, 3 Aug 2021 10:17:31 -0400 Received: from Galois.linutronix.de ([193.142.43.55]:57218 "EHLO galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236609AbhHCOR0 (ORCPT ); Tue, 3 Aug 2021 10:17:26 -0400 From: Sebastian Andrzej Siewior DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1628000234; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=fleanKftn1M/7aNvSSXYlPJGKZdzN9zFJsQrc6QUA1M=; b=ZIubvD+L7RDirRzayNjgOLmXswAwTkE+3MUtTYsJ/sxBAZhAz944FRjVfA4NOGa/tCKUW/ 3vMkmIKls1vr+CctMnTKQPz0KXqJrtx4IKpi42iEeM/jI1nHxoWDcytg6cwSMTSANmXILt jY35rQHezS6u691VmC5DC/pso0lgx6zejslSqnfLnTBEUlACbFm+pVfgdnH9Cc1JyOE541 MFWw6xd3uRnwiK5b/W2J/dPBccT1aLKrD8iI2rrtfri+/3YnvEDQx+GVzleDNL3S9YfPoj iBWPCtes4CNZ+GR/d2FIMnZ0Z8zv0ujQEdaW9qWPqat//AA7sPoNyuwJgJbhKg== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1628000234; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=fleanKftn1M/7aNvSSXYlPJGKZdzN9zFJsQrc6QUA1M=; b=n6MrhtT9zobRQ0y9gdhZbDlnJqyNHAxFYBKLoyYsakW2a0pHo8nQgJ/7MkB50o3UdXYPoz 3vt6rQiH73xDL3BQ== To: linux-kernel@vger.kernel.org Cc: tglx@linutronix.de, Peter Zijlstra , Sebastian Andrzej Siewior , "Paul E. McKenney" , Josh Triplett , Steven Rostedt , Mathieu Desnoyers , Lai Jiangshan , Joel Fernandes , rcu@vger.kernel.org Subject: [PATCH 31/38] rcu: Replace deprecated CPU-hotplug functions. Date: Tue, 3 Aug 2021 16:16:14 +0200 Message-Id: <20210803141621.780504-32-bigeasy@linutronix.de> In-Reply-To: <20210803141621.780504-1-bigeasy@linutronix.de> References: <20210803141621.780504-1-bigeasy@linutronix.de> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: rcu@vger.kernel.org The functions get_online_cpus() and put_online_cpus() have been deprecated during the CPU hotplug rework. They map directly to cpus_read_lock() and cpus_read_unlock(). Replace deprecated CPU-hotplug functions with the official version. The behavior remains unchanged. Cc: "Paul E. McKenney" Cc: Josh Triplett Cc: Steven Rostedt Cc: Mathieu Desnoyers Cc: Lai Jiangshan Cc: Joel Fernandes Cc: rcu@vger.kernel.org Signed-off-by: Sebastian Andrzej Siewior --- kernel/rcu/tree.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c index 51f24ecd94b26..f116ce58f4e68 100644 --- a/kernel/rcu/tree.c +++ b/kernel/rcu/tree.c @@ -4050,7 +4050,7 @@ void rcu_barrier(void) */ init_completion(&rcu_state.barrier_completion); atomic_set(&rcu_state.barrier_cpu_count, 2); - get_online_cpus(); + cpus_read_lock(); =20 /* * Force each CPU with callbacks to register a new callback. @@ -4081,7 +4081,7 @@ void rcu_barrier(void) rcu_state.barrier_sequence); } } - put_online_cpus(); + cpus_read_unlock(); =20 /* * Now that we have an rcu_barrier_callback() callback on each --=20 2.32.0