From patchwork Sun Oct 1 08:51:12 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ingo Molnar X-Patchwork-Id: 147050 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:612c:2a8e:b0:403:3b70:6f57 with SMTP id in14csp776122vqb; Sun, 1 Oct 2023 02:02:53 -0700 (PDT) X-Google-Smtp-Source: AGHT+IFWUc9ztzWm7ugyrQ6F3/+muH/nFeX2iQlT0jklBWwmsUanZD0gl+aa7WNBLdEyrYlJ8RCE X-Received: by 2002:a05:6358:341a:b0:143:3845:e6fb with SMTP id h26-20020a056358341a00b001433845e6fbmr8854912rwd.27.1696150973174; Sun, 01 Oct 2023 02:02:53 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1696150973; cv=none; d=google.com; s=arc-20160816; b=b/g2a9F3MH8Q3kKUsV4NiS4CCvNg6BDiEkeUqieOyR+2F10Bc7w0C/Lwip5bJLYvBW JAn6IlBWjnxmKR+aYVT0LtuGepmJVbR7AkHeGlrlx9KOBA8UlZ0jpr6YRbFiInQfggmw C4fice9JEAkh5dscrTVHjPWlsdAQkpgFQqRQyymkPJspddpl+1aAOF8w/9H/sNRYZDZR UuaCApcNFxBYZqz2/JZhts1nQwxVMPqt0chGDQmFHSlSKNjQWsT2j/mxDTYsunu4bQq7 7B6stFmWQzZoRpbN4sLLf35AlEb5xHAE7smeKQrA3By3np53PXf3KMIrOlR5zwHMz2fx ETcA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-disposition:mime-version:message-id :subject:cc:to:from:date:sender:dkim-signature; bh=fK8C+2KBdUOl+wUgjWnV9QkDzr0lfjpNjwPIUDoQ8ck=; fh=6FrEg+VkTYfOjS7Ai+dwlP0NyF8AsEyCgOFvj1kBYnY=; b=fKp5q5a3FYV66FYsL2P2Jo0zdwZIpn96XayM7UYSTpv83jhEXGqKydcz0/04zamZNS rD6nBqQKLqIB6mnmtSwbLwYGD2hryaJff9CWgyXvoSKs3UfTbWTCLPB67akKTZE9/w/Y 188v8qmVLhX2NwPrYHx4fHKOaAUGtyTc+/bCF93mLYm+us7HAEHlejcNJRtT5KyK2xMw kQRhOvGGq/S8gpQHVOurRXcqFyuY7+SOvBMf/srzgjN7p3iLSwUPyMqk0J6UBvxtzUpS o73i5rxRDyudrD20B18E5W5CibfqndBCFByw7USkEbB1WE03UNhGh0no1pUb5wwPc/5J YdwQ== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@gmail.com header.s=20230601 header.b="L/rFCagj"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:4 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: from howler.vger.email (howler.vger.email. [2620:137:e000::3:4]) by mx.google.com with ESMTPS id k21-20020a628415000000b00692a899f7a1si22135725pfd.40.2023.10.01.02.02.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 01 Oct 2023 02:02:53 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:4 as permitted sender) client-ip=2620:137:e000::3:4; Authentication-Results: mx.google.com; dkim=pass header.i=@gmail.com header.s=20230601 header.b="L/rFCagj"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:4 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: from out1.vger.email (depot.vger.email [IPv6:2620:137:e000::3:0]) by howler.vger.email (Postfix) with ESMTP id A0F68825A999; Sun, 1 Oct 2023 01:51:28 -0700 (PDT) X-Virus-Status: Clean X-Virus-Scanned: clamav-milter 0.103.10 at howler.vger.email Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234614AbjJAIvV (ORCPT + 19 others); Sun, 1 Oct 2023 04:51:21 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49634 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234510AbjJAIvU (ORCPT ); Sun, 1 Oct 2023 04:51:20 -0400 Received: from mail-wr1-x42c.google.com (mail-wr1-x42c.google.com [IPv6:2a00:1450:4864:20::42c]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C8436B3 for ; Sun, 1 Oct 2023 01:51:17 -0700 (PDT) Received: by mail-wr1-x42c.google.com with SMTP id ffacd0b85a97d-327be5fe4beso310980f8f.3 for ; Sun, 01 Oct 2023 01:51:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1696150276; x=1696755076; darn=vger.kernel.org; h=content-disposition:mime-version:message-id:subject:cc:to:from:date :sender:from:to:cc:subject:date:message-id:reply-to; bh=fK8C+2KBdUOl+wUgjWnV9QkDzr0lfjpNjwPIUDoQ8ck=; b=L/rFCagj36dTQkBeFQohYWf1HJcJjiz4Z22PNcbNBuRaRwqyb+60wX+s0ybRSmZ2NC xFlKBbEWJzaIMJJf89rf3TvDC+fsaGJh4PYVuHhLsKSKPgB6wrtAZeBoZ0NbcjsTc3ne vpcny5kYjtSjLhRvO0e516CFrrKafejLJiEej+PMzB/NbGkyQ35RB6Vu9BhM7Jk3XxRx +S7lH8KQiyMwRBsabJCEXlLdQkSgHRAdD19vufQuKxRePbxOJKmztGqO10agCd/A8vf0 /ekB2kkG10hG2GDrbEcrGoTRFa3vFlVmpqPZrs70HeZ7i+GQjOEWJxHv0YZ2y8Zx8Zu5 NugQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1696150276; x=1696755076; h=content-disposition:mime-version:message-id:subject:cc:to:from:date :sender:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=fK8C+2KBdUOl+wUgjWnV9QkDzr0lfjpNjwPIUDoQ8ck=; b=MmNLjK7UUbISfihvmNDP9aIgEOyF3juD/ccCb2BPElNJ9OAqJuePzkoVT+eaNF4eJE kSe5SJuI9gMKkE6yWPfOaqTM3fF38ItEKjJ+e2NCswaDBNeAG2sMGMagHmEoSymyfUyi 2WUOXfEtzO1R/+DBikebk0bqy0EtkOK0uAnuahiMaCXbn6s28w+tP961AOX+jgZ52CEN VWkQX5q2mYKQHY6ljeOeAPnKj6jK2e5p3UuKntGOlzWqv5ycqAe76Y+o7YOaW2OBzDvF KF1JZa74IJUmOBMdCaAGR3dJ0kuQ1Xjtg2v+tRpzXFFjSsCR0kQ7/GHHmbmCOvxckZJy QTFQ== X-Gm-Message-State: AOJu0YwuY3sq/1IvJ9tFhT3lNt91Fn7qV864D/nNv6EeHmZk0NLWFgSh 7AsSLtSlAMt3jMySyfyurfXVqoJmI+c= X-Received: by 2002:a5d:4532:0:b0:31f:ec91:39a3 with SMTP id j18-20020a5d4532000000b0031fec9139a3mr7091112wra.30.1696150275635; Sun, 01 Oct 2023 01:51:15 -0700 (PDT) Received: from gmail.com (84-236-113-123.pool.digikabel.hu. [84.236.113.123]) by smtp.gmail.com with ESMTPSA id 11-20020a056000156b00b0032485046055sm7539102wrz.5.2023.10.01.01.51.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 01 Oct 2023 01:51:14 -0700 (PDT) Sender: Ingo Molnar Date: Sun, 1 Oct 2023 10:51:12 +0200 From: Ingo Molnar To: Linus Torvalds Cc: linux-kernel@vger.kernel.org, Thomas Gleixner , Peter Zijlstra , Andrew Morton , Frederic Weisbecker Subject: [GIT PULL] timers fix Message-ID: MIME-Version: 1.0 Content-Disposition: inline X-Spam-Status: No, score=-1.5 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_EF,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,RCVD_IN_DNSWL_BLOCKED,SPF_HELO_NONE, SPF_PASS autolearn=no 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 X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (howler.vger.email [0.0.0.0]); Sun, 01 Oct 2023 01:51:28 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1778543202773863257 X-GMAIL-MSGID: 1778543202773863257 Linus, Please pull the latest timers/urgent git tree from: git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git timers-urgent-2023-10-01 # HEAD: 1a6a464774947920dcedcf7409be62495c7cedd0 timers: Tag (hr)timer softirq as hotplug safe Fix a spurious kernel warning during CPU hotplug events that may trigger when timer/hrtimer softirqs are pending, which are otherwise hotplug-safe and don't merit a warning. Thanks, Ingo ------------------> Frederic Weisbecker (1): timers: Tag (hr)timer softirq as hotplug safe include/linux/interrupt.h | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h index a92bce40b04b..4a1dc88ddbff 100644 --- a/include/linux/interrupt.h +++ b/include/linux/interrupt.h @@ -569,8 +569,12 @@ enum * 2) rcu_report_dead() reports the final quiescent states. * * _ IRQ_POLL: irq_poll_cpu_dead() migrates the queue + * + * _ (HR)TIMER_SOFTIRQ: (hr)timers_dead_cpu() migrates the queue */ -#define SOFTIRQ_HOTPLUG_SAFE_MASK (BIT(RCU_SOFTIRQ) | BIT(IRQ_POLL_SOFTIRQ)) +#define SOFTIRQ_HOTPLUG_SAFE_MASK (BIT(TIMER_SOFTIRQ) | BIT(IRQ_POLL_SOFTIRQ) |\ + BIT(HRTIMER_SOFTIRQ) | BIT(RCU_SOFTIRQ)) + /* map softirq index to softirq name. update 'softirq_to_name' in * kernel/softirq.c when adding a new softirq.