From patchwork Thu Oct 19 12:01:56 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Frederic Weisbecker X-Patchwork-Id: 13428736 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 88CAFCDB482 for ; Thu, 19 Oct 2023 12:02:16 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1345464AbjJSMCQ (ORCPT ); Thu, 19 Oct 2023 08:02:16 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59434 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1345523AbjJSMCL (ORCPT ); Thu, 19 Oct 2023 08:02:11 -0400 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D0D7318D; Thu, 19 Oct 2023 05:02:09 -0700 (PDT) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2FABCC433C8; Thu, 19 Oct 2023 12:02:07 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1697716929; bh=kcjx4YxAcQZb48f+2uZ3X8gmikqy2As6pSmOkQMDucE=; h=From:To:Cc:Subject:Date:From; b=toHsj1C/DSVPW8X+7tT+6QYuYKC/K+Ph7m5cgF8s0sdURqsVtvelUs0J2wQLAZfGq CpvviPL+5dqaU5xKiR3x6UBcrf4+WrFk3dpbLOxV4mfyvvWJ1ecM2CYrJDGapMBusK BwMn7v6vZvbO3j1Frp+qiLfGgCEasy4EQGrdKm/0dsNPngEOTrZ9nLxpC3zvjDypan rabC3xGdilb8DZ10vvYNVwkKa9mVcRvPVCs0+xE9infTn4EyDORq8wpS7ozC6zPnGN 8kjlaW2JJ/bu3nS2jEMwaw75ERXSbhHc3SmI9AQBfmeBOBZW53q2ymnxH6ID+8A0/Q pYLb+P6UEmeAw== From: Frederic Weisbecker To: LKML Cc: Frederic Weisbecker , Boqun Feng , Joel Fernandes , Josh Triplett , Mathieu Desnoyers , Neeraj Upadhyay , "Paul E . McKenney" , Steven Rostedt , Uladzislau Rezki , rcu Subject: [PATCH 0/6] RCU stall detection updates for v6.7 Date: Thu, 19 Oct 2023 14:01:56 +0200 Message-Id: <20231019120202.1216228-1-frederic@kernel.org> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: rcu@vger.kernel.org Hello, Please find below the RCU stall detection updates for the next merge window: Joel Fernandes (Google) (1): rcu/tree: Defer setting of jiffies during stall reset Paul E. McKenney (2): rcu: Add RCU CPU stall notifier rcutorture: Add test of RCU CPU stall notifiers Zhen Lei (3): rcu: Delete a redundant check in rcu_check_gp_kthread_starvation() rcu: Don't redump the stalled CPU where RCU GP kthread last ran rcu: Eliminate check_cpu_stall() duplicate code Thanks, Frederic. include/linux/rcu_notifier.h | 32 +++++++++ kernel/rcu/rcu.h | 6 ++ kernel/rcu/rcutorture.c | 21 ++++++ kernel/rcu/tree.c | 12 ++++ kernel/rcu/tree.h | 4 ++ kernel/rcu/tree_exp.h | 6 +- kernel/rcu/tree_stall.h | 135 +++++++++++++++++++++++++---------- 7 files changed, 178 insertions(+), 38 deletions(-) create mode 100644 include/linux/rcu_notifier.h