From patchwork Tue Oct 3 23:28:58 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Frederic Weisbecker X-Patchwork-Id: 13408090 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 AA11CE8FDC0 for ; Tue, 3 Oct 2023 23:29:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235900AbjJCX3O (ORCPT ); Tue, 3 Oct 2023 19:29:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52872 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S235978AbjJCX3N (ORCPT ); Tue, 3 Oct 2023 19:29:13 -0400 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 225B5BB; Tue, 3 Oct 2023 16:29:11 -0700 (PDT) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 80845C433C8; Tue, 3 Oct 2023 23:29:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1696375750; bh=7/LYX88Wk78uddD8OaNEI8pUWtPtDqIWAY8ypJFmHC0=; h=From:To:Cc:Subject:Date:From; b=Na8OIKWcA3s1tnsiGzBkH6XQzt1OvSR34rjmF5LpWfY1CykzCctd0mILCqPJ21rvb bbsn0izR+SCRC6HG5y+94AfYFokm5USYZsyH31nUOr8yHuj2dWbNHL7OdMO/WL9Ck1 xZe2QMyJlSGxKscidjiBJxcfVM/eu+n4m1w1gn9zKEu0EcKv0o+03ecojiok1VUbmo EueifNbmz77inUBt/CPmRDXw0hHMLRkDYreXljo7p2pLrJwT0kkrwxv0N2fVjVvETX kHKqOxuMJoA3baqtY+NCaTz60K4Yz4+a9ceUH6Ovg6OKPTeFykQjbr5dL7Ed2j6rUY QhXf8N8qhxY+A== From: Frederic Weisbecker To: "Paul E . McKenney" Cc: LKML , Frederic Weisbecker , Yong He , Neeraj upadhyay , Joel Fernandes , Boqun Feng , Uladzislau Rezki , RCU Subject: [PATCH 0/5] srcu fixes Date: Wed, 4 Oct 2023 01:28:58 +0200 Message-ID: <20231003232903.7109-1-frederic@kernel.org> X-Mailer: git-send-email 2.41.0 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: rcu@vger.kernel.org Hi, This contains a fix for "SRCU: kworker hung in synchronize_srcu": http://lore.kernel.org/CANZk6aR+CqZaqmMWrC2eRRPY12qAZnDZLwLnHZbNi=xXMB401g@mail.gmail.com And a few cleanups. Passed 50 hours of SRCU-P and SRCU-N. git://git.kernel.org/pub/scm/linux/kernel/git/frederic/linux-dynticks.git srcu/fixes HEAD: 7ea5adc5673b42ef06e811dca75e43d558cc87e0 Thanks, Frederic Signed-off-by: Yong He --- Frederic Weisbecker (5): srcu: Fix callbacks acceleration mishandling srcu: Only accelerate on enqueue time srcu: Remove superfluous callbacks advancing from srcu_start_gp() srcu: No need to advance/accelerate if no callback enqueued srcu: Explain why callbacks invocations can't run concurrently kernel/rcu/srcutree.c | 55 ++++++++++++++++++++++++++++++++++++--------------- 1 file changed, 39 insertions(+), 16 deletions(-)