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[34.150.221.228]) by smtp.gmail.com with ESMTPSA id do11-20020a05620a2b0b00b006bbb07ebd83sm2872422qkb.108.2022.09.14.17.14.32 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 14 Sep 2022 17:14:32 -0700 (PDT) From: "Joel Fernandes (Google)" To: linux-kernel@vger.kernel.org Cc: "Joel Fernandes (Google)" , Frederic Weisbecker , Josh Triplett , Lai Jiangshan , Mathieu Desnoyers , Neeraj Upadhyay , "Paul E. McKenney" , rcu@vger.kernel.org, Steven Rostedt Subject: [PATCH rcu/next 0/3] Preparatory patches borrowed from lazy rcu v5 Date: Thu, 15 Sep 2022 00:14:16 +0000 Message-Id: <20220915001419.55617-1-joel@joelfernandes.org> X-Mailer: git-send-email 2.37.2.789.g6183377224-goog MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_NONE, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE 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 Hello, Just sending a few patches before lazy rcu v6 can come out. That can come out after more testing to check feasibility of ideas discussed at LPC. I will try to get rcutop pushed as well before v6, but in the meanwhile I don't see much reason to block these few patches for 6.1. These apply to Paul's rcu/next branch. What do you think? Joel Fernandes (Google) (3): rcu/tree: Use READ_ONCE() for lockless read of rnp->qsmask rcu: Move trace_rcu_callback() before bypassing rcu: Fix late wakeup when flush of bypass cblist happens kernel/rcu/tree.c | 12 +++++++----- kernel/rcu/tree_nocb.h | 10 ++++++++-- 2 files changed, 15 insertions(+), 7 deletions(-) -- 2.37.2.789.g6183377224-goog