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[2620:137:e000::1:20]) by mx.google.com with ESMTP id u17-20020a17090341d100b001a186b471e9si19020026ple.418.2023.03.27.08.28.12; Mon, 27 Mar 2023 08:28:26 -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=@infradead.org header.s=casper.20170209 header.b=NWAfI7QU; 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 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231174AbjC0PPY (ORCPT + 99 others); Mon, 27 Mar 2023 11:15:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34440 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229498AbjC0PPW (ORCPT ); Mon, 27 Mar 2023 11:15:22 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8C6B7122; Mon, 27 Mar 2023 08:15:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=ESG8YxL4RYEQX1LFkg3iiiQWrSAkB2oA83asusDbCz4=; b=NWAfI7QUlRz5+ccBJuYiIVOHkK QcMvSDy6LPabwrq5DTM051didsJVlsxaLJpRqwkSJtJxeg4drvCeKgpS0iOXkwr0Mcp8Z4uDaRIgE rL3DwDja41UzXNHqcjp5ES1nZVdAGAejX9PAjNqdX0quYv4jKjdz9VvwFU4GXXSSNYpa/GFmKIWgQ 7knDdaHckHpJBZi7ikYjLB6V4cnUq7hSBlAQZx1HPysqEdpoFcys15/XC/INGGyp8O9HPWCwFXbJG tTgpiRFuCJFGAXWM1CjzfdpGG5Ol1IECAXg+C3cR6dyuWTsnYsP390rbFeRYdY4YUONI58dk3rgE3 vr8AwB5w==; Received: from j130084.upc-j.chello.nl ([24.132.130.84] helo=noisy.programming.kicks-ass.net) by casper.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1pgoYm-007VJI-Qe; Mon, 27 Mar 2023 15:15:01 +0000 Received: from hirez.programming.kicks-ass.net (hirez.programming.kicks-ass.net [192.168.1.225]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits)) (Client did not present a certificate) by noisy.programming.kicks-ass.net (Postfix) with ESMTPS id BBBA9300379; Mon, 27 Mar 2023 17:14:58 +0200 (CEST) Received: by hirez.programming.kicks-ass.net (Postfix, from userid 1000) id 8A0F8200D8E1F; Mon, 27 Mar 2023 17:14:58 +0200 (CEST) Date: Mon, 27 Mar 2023 17:14:58 +0200 From: Peter Zijlstra To: Boqun Feng Cc: rcu@vger.kernel.org, Ingo Molnar , Will Deacon , Waiman Long , Lai Jiangshan , "Paul E. McKenney" , Josh Triplett , Steven Rostedt , Mathieu Desnoyers , Davidlohr Bueso , Frederic Weisbecker , Neeraj Upadhyay , Joel Fernandes , Shuah Khan , David Woodhouse , Paolo Bonzini , kvm@vger.kernel.org, seanjc@google.com, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org Subject: Re: [PATCH rcu v2 0/7] RCU-related lockdep changes for v6.4 Message-ID: <20230327151458.GB11425@hirez.programming.kicks-ass.net> References: <20230323042614.1191120-1-boqun.feng@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230323042614.1191120-1-boqun.feng@gmail.com> X-Spam-Status: No, score=-2.5 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_NONE autolearn=unavailable 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 On Wed, Mar 22, 2023 at 09:26:07PM -0700, Boqun Feng wrote: > Boqun Feng (4): > locking/lockdep: Introduce lock_sync() > rcu: Annotate SRCU's update-side lockdep dependencies > locking: Reduce the number of locks in ww_mutex stress tests > locking/lockdep: Improve the deadlock scenario print for sync and read > lock > > Paul E. McKenney (3): > rcutorture: Add SRCU deadlock scenarios > rcutorture: Add RCU Tasks Trace and SRCU deadlock scenarios > rcutorture: Add srcu_lockdep.sh > > include/linux/lockdep.h | 8 +- > include/linux/srcu.h | 34 +++- > kernel/locking/lockdep.c | 64 +++++- > kernel/locking/test-ww_mutex.c | 2 +- > kernel/rcu/rcutorture.c | 185 ++++++++++++++++++ > kernel/rcu/srcutiny.c | 2 + > kernel/rcu/srcutree.c | 2 + > .../selftests/rcutorture/bin/srcu_lockdep.sh | 78 ++++++++ > 8 files changed, 364 insertions(+), 11 deletions(-) > create mode 100755 tools/testing/selftests/rcutorture/bin/srcu_lockdep.sh Acked-by: Peter Zijlstra (Intel)