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[2620:137:e000::1:20]) by mx.google.com with ESMTP id n17si2046054eda.494.2022.02.14.01.33.07; Mon, 14 Feb 2022 01:33:29 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20; Authentication-Results: mx.google.com; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S240532AbiBNFrM (ORCPT + 99 others); Mon, 14 Feb 2022 00:47:12 -0500 Received: from mxb-00190b01.gslb.pphosted.com ([23.128.96.19]:42176 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229854AbiBNFrK (ORCPT ); Mon, 14 Feb 2022 00:47:10 -0500 Received: from mx1.molgen.mpg.de (mx3.molgen.mpg.de [141.14.17.11]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B46854F9C4 for ; Sun, 13 Feb 2022 21:47:02 -0800 (PST) Received: from [192.168.0.2] (ip5f5aebfe.dynamic.kabel-deutschland.de [95.90.235.254]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) (Authenticated sender: pmenzel) by mx.molgen.mpg.de (Postfix) with ESMTPSA id E6AEB61EA1924; Mon, 14 Feb 2022 06:46:59 +0100 (CET) Message-ID: Date: Mon, 14 Feb 2022 06:46:59 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.6.0 Subject: Re: [PATCH 0/3] tick: Fix softirq related warnings Content-Language: en-US To: Frederic Weisbecker Cc: "Paul E . McKenney" , Peter Zijlstra , Thomas Gleixner , linux-kernel@vger.kernel.org References: <20220208161635.544701-1-frederic@kernel.org> From: Paul Menzel In-Reply-To: <20220208161635.544701-1-frederic@kernel.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00,NICE_REPLY_A, RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Dear Frederic, Am 08.02.22 um 17:16 schrieb Frederic Weisbecker: > Some cleanups and debug rework. > > git://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks.git > timers/core > > HEAD: 18b00369d58da4c73946d5f8ebed8e8c7ade89e2 > > Thanks, > Frederic > --- > > Frederic Weisbecker (3): > tick/rcu: Remove obsolete rcu_needs_cpu() parameters > tick/rcu: Stop allowing RCU_SOFTIRQ in idle > lib/irq_poll: Declare IRQ_POLL softirq vector as ksoftirqd-parking safe > > > include/linux/interrupt.h | 11 ++++++++- > include/linux/rcutiny.h | 3 +-- > include/linux/rcutree.h | 2 +- > kernel/rcu/tree.c | 3 +-- > kernel/time/tick-sched.c | 60 ++++++++++++++++++++++++++++++++++------------- > 5 files changed, 57 insertions(+), 22 deletions(-) I tested this series on the IBM S822LC with Ubuntu 20.10 and rcu/dev (commit 0ba8896d2fd7 (lib/irq_poll: Declare IRQ_POLL softirq vector as ksoftirqd-parking safe)). Running `sudo ppc64_cpu --smt=off` the warnings are gone. Tested-by: Paul Menzel Kind regards, Paul