Received: by 2002:a05:7412:31a9:b0:e2:908c:2ebd with SMTP id et41csp734684rdb; Fri, 8 Sep 2023 15:00:44 -0700 (PDT) X-Google-Smtp-Source: AGHT+IF6RF1GfnqsVn6beo1esUOSYehGO4bfkeY9ykI3hHMtCVdZKDv0vbJKZviCC2J+WHEbTtqF X-Received: by 2002:a05:6a00:3393:b0:68e:3787:fb94 with SMTP id cm19-20020a056a00339300b0068e3787fb94mr8676710pfb.5.1694210443369; Fri, 08 Sep 2023 15:00:43 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1694210443; cv=none; d=google.com; s=arc-20160816; b=CJYEu7pa0cm2Tlj0DMKZ6Uis+XCsADTT+/r50P80a3YwH0pj0/4ztkwl3CWMWr6hZt ZZfFHbX/LiUMNRZcgEG6LbfAbdSgZAdJkhG7ki66rlvIKfNt/K7uRcKusZrdDVsnwvUt vtojTX7EegzW47fyFA7cnNxuKB/XeAPb21Wp5qb5Gf5Kx7gMWNrsrUacReewVd12GRAo moenbtGn3NksCnYAf77ZIxY8EdHSML25cpchUO6yvubF29fOSJlYkx9+2CqsYQByz+/+ Z7Ssxj5N+dPe4TpzZwuFQURnlGI2TGZLOhcljgI/3qDeq5yKkUbWDUUAF5Nca27csnch +G4w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :message-id:date:subject:cc:to:from:dkim-signature; bh=eoLnCwCqti1yDuXi6WQfEoOHNYskYqh7xGHi5VcMxzg=; fh=b/0dXqvz0kAo+07ch4KNz5dZ+JhJoOmBzkQIhQsuGPg=; b=qZOslk9nPxrGpKZ3axXxcMDwNymQZ72CD/0NJzNu5pce/E4sTMDenaUQBkR3ouKHiY oG/6j3Po9Bg/iIXa67dkK7S4qRLziVQlmRg9B8C9+qvC5m//ZdAbz8v6iclgjumMjRWw 4BfXx7kE+StPvCOxwNWO36fIWBInehqTYsf0xKy1uKIkeHT5QC+r7nK5uP2VgmfeJnWe s0MmQ7HsI6y/5tJiScCMrzYolbTS8vXpt59hK0o4YLpP0IYz5KVoghGHw4gvYrUTe/QQ rf4s3VlmD/bGnFgxt7mTMMKm3MIEDJTy8OLwEvj6Nbb41++/n8mNSxxySDme5djnjhWY 1sdw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=HDrzRLwD; 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; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Return-Path: Received: from out1.vger.email (out1.vger.email. [2620:137:e000::1:20]) by mx.google.com with ESMTP id cu3-20020a056a00448300b006870ed47367si2159185pfb.5.2023.09.08.15.00.29; Fri, 08 Sep 2023 15:00:43 -0700 (PDT) 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; dkim=pass header.i=@kernel.org header.s=k20201202 header.b=HDrzRLwD; 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; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S245168AbjIHUgS (ORCPT + 99 others); Fri, 8 Sep 2023 16:36:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45806 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233048AbjIHUgR (ORCPT ); Fri, 8 Sep 2023 16:36:17 -0400 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5CF9EA3; Fri, 8 Sep 2023 13:36:13 -0700 (PDT) Received: by smtp.kernel.org (Postfix) with ESMTPSA id EAABDC433C8; Fri, 8 Sep 2023 20:36:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1694205372; bh=TIEmpsAKURry6qJEscQuFYmrXAfV6S/0QPa4RuI6qLg=; h=From:To:Cc:Subject:Date:From; b=HDrzRLwDEnvL2EhqTnttOS8Tjo/ynYGrbq80SVAFCNVdAp5A+YGjm4eyInzAI/RU+ zF79o0S5sKeKYnSdc9OnOlrUR7zxVE2lw+t/kPytTFtBSepcDUofzVsLsX+5B6dA3h fTvXbthUmPL/NAgt5qty5vsCKKgd0rRKY9TkFu+6w08PlIErUouwUVY/46hGNqounL Kz+x0ry1NCcckkU8GjxP1qtae3AM2vYDYAFnBKtn5NWqDoRrnFbZ1p7JYW4HYKeuWu OuN7PAtj0i14eQEHRo+H8nZ4yTzH3EDJkOK7Lhyy2P8om+e3cmuTuqadg8Ux52aU3a 6OU5TprpEZoNg== From: Frederic Weisbecker To: "Paul E . McKenney" Cc: LKML , Frederic Weisbecker , rcu , Uladzislau Rezki , Neeraj Upadhyay , Boqun Feng , Joel Fernandes Subject: [PATCH 00/10] rcu cleanups Date: Fri, 8 Sep 2023 22:35:53 +0200 Message-ID: <20230908203603.5865-1-frederic@kernel.org> X-Mailer: git-send-email 2.41.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-4.4 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED, SPF_HELO_NONE,SPF_PASS 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 Hi, Here is a bunch of accumulated cleanups. Many of them are trivial but beware some tricky ordering changes in the middle :-) git://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks.git rcu/dev HEAD: 43d6b973aeb7459d29cd52054142291b099bf8ad Thanks, Frederic --- Frederic Weisbecker (10): rcu: Use rcu_segcblist_segempty() instead of open coding it rcu: Rename jiffies_till_flush to jiffies_lazy_flush rcu/nocb: Remove needless LOAD-ACQUIRE rcu/nocb: Remove needless full barrier after callback advancing rcu: Assume IRQS disabled from rcu_report_dead() rcu: Assume rcu_report_dead() is always called locally rcu: Conditionally build CPU-hotplug teardown callbacks rcu: Standardize explicit CPU-hotplug calls rcu: Remove references to rcu_migrate_callbacks() from diagrams rcu: Comment why callbacks migration can't wait for CPUHP_RCUTREE_PREP .../Expedited-Grace-Periods.rst | 2 +- .../Memory-Ordering/TreeRCU-callback-registry.svg | 9 -- .../RCU/Design/Memory-Ordering/TreeRCU-gp-fqs.svg | 4 +- .../RCU/Design/Memory-Ordering/TreeRCU-gp.svg | 13 +- .../RCU/Design/Memory-Ordering/TreeRCU-hotplug.svg | 4 +- .../RCU/Design/Requirements/Requirements.rst | 4 +- arch/arm64/kernel/smp.c | 4 +- arch/powerpc/kernel/smp.c | 2 +- arch/s390/kernel/smp.c | 2 +- arch/x86/kernel/smpboot.c | 2 +- include/linux/interrupt.h | 2 +- include/linux/rcupdate.h | 2 - include/linux/rcutiny.h | 2 +- include/linux/rcutree.h | 16 ++- kernel/cpu.c | 13 +- kernel/rcu/rcu.h | 8 +- kernel/rcu/rcu_segcblist.c | 4 +- kernel/rcu/rcuscale.c | 6 +- kernel/rcu/tree.c | 138 ++++++++++----------- kernel/rcu/tree_nocb.h | 24 ++-- 20 files changed, 129 insertions(+), 132 deletions(-)