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=-7.1 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=no 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 4F90EC433E1 for ; Fri, 7 Aug 2020 17:08:02 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1AE842086A for ; Fri, 7 Aug 2020 17:08:02 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=joelfernandes.org header.i=@joelfernandes.org header.b="Wllvkc9A" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726929AbgHGRIA (ORCPT ); Fri, 7 Aug 2020 13:08:00 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41536 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726233AbgHGRH3 (ORCPT ); Fri, 7 Aug 2020 13:07:29 -0400 Received: from mail-qt1-x843.google.com (mail-qt1-x843.google.com [IPv6:2607:f8b0:4864:20::843]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BF90FC061A27 for ; Fri, 7 Aug 2020 10:07:28 -0700 (PDT) Received: by mail-qt1-x843.google.com with SMTP id k18so1775058qtm.10 for ; Fri, 07 Aug 2020 10:07:28 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=joelfernandes.org; s=google; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=73CJ7K3BBVqbmef9NiZ9ufV2B5Bze4yzYWkt/Hzaq0s=; b=Wllvkc9Ag1Gus5yO6GFcYjGFVFZid9L4//cUwR+xo5geiYYVvEkaNzK2kOZOVjpr2c TccGHxR/M5+N2HfQv4FkOo7wXKkzNGzKv1uZRzonPEGHecIHX4Kv5PonWf/WyuTCC/8U 07KY4lu7QRWw4suyqZDuOPUUe2LYekwR+ccaw= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=73CJ7K3BBVqbmef9NiZ9ufV2B5Bze4yzYWkt/Hzaq0s=; b=hs4tMPgnyBAVUcDrXJEkeWPjhcpPR7AzH42c94oBif7HWjyaNZtT2/LM29U0WWJCSF YOBwKCwz/cj1fbbxX3/fE+EiKsM5ujAREri7+Yg8zXNWy/aAvD9C3NGeLHf9mkO4jt+9 BWQeW5jz5QwoJr5Hy20VD2njajf1DEDlrmbGBxedtCPWaGNGL0MSeVE1+NYI2Vl5cLwv nz6l4ti2cfs+cDRJdmUqSYeCsngQ/F4FuLKNkiv/nwfgxS/tuR7yh7+X722yBsp+tyf+ wkFrLxvyH4LkYSCYoGMYaf22r6NZlykIjha8H+idgP8hOr/p2uni4GiHXlBaYj26JyZM 0Kww== X-Gm-Message-State: AOAM531N4BZzV6ODAooPcF3iqW/RMrBxt/iToziFxzp1JQOXTbKrQ3UF PfDIswZd+LWiC44HwaJlERNFeLaxrfM= X-Google-Smtp-Source: ABdhPJzSmMuQOJcTfh/pB39E/D/Q7wp06QxNzN+1Wh3mzUrHUaWATqaVtbb1/bK7YIFwrMVsk7gq7A== X-Received: by 2002:ac8:520f:: with SMTP id r15mr15580616qtn.116.1596820047786; Fri, 07 Aug 2020 10:07:27 -0700 (PDT) Received: from joelaf.cam.corp.google.com ([2620:15c:6:12:cad3:ffff:feb3:bd59]) by smtp.gmail.com with ESMTPSA id w18sm8559905qtk.1.2020.08.07.10.07.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 07 Aug 2020 10:07:27 -0700 (PDT) From: "Joel Fernandes (Google)" To: linux-kernel@vger.kernel.org Cc: "Joel Fernandes (Google)" , Davidlohr Bueso , Jonathan Corbet , Josh Triplett , Lai Jiangshan , linux-doc@vger.kernel.org, Mathieu Desnoyers , Mauro Carvalho Chehab , neeraju@codeaurora.org, "Paul E. McKenney" , peterz@infradead.org, Randy Dunlap , rcu@vger.kernel.org, Steven Rostedt , tglx@linutronix.de, vineethrp@gmail.com Subject: [PATCH v4 0/5] option-subject: RCU and CPU hotplug checks and docs Date: Fri, 7 Aug 2020 13:07:17 -0400 Message-Id: <20200807170722.2897328-1-joel@joelfernandes.org> X-Mailer: git-send-email 2.28.0.236.gb10cc79966-goog MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This series improves/adds to RCU's warnings about CPU hotplug and adds documentation and testing. v3->v4: Minor cleanups. Joel Fernandes (Google) (5): rcu/tree: Add a warning if CPU being onlined did not report QS already rcu/tree: Clarify comments about FQS loop reporting quiescent states rcu/tree: Make FQS complaining about offline CPU more aggressive rcutorture: Force synchronizing of RCU flavor from hotplug notifier docs: Update RCU's hotplug requirements with a bit about design .../RCU/Design/Requirements/Requirements.rst | 22 +++++ kernel/rcu/rcutorture.c | 81 ++++++++++--------- kernel/rcu/tree.c | 39 +++++++-- 3 files changed, 95 insertions(+), 47 deletions(-) -- 2.28.0.236.gb10cc79966-goog