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[34.150.221.228]) by smtp.gmail.com with ESMTPSA id q31-20020a05620a2a5f00b006bb0e5ca4bbsm9479239qkp.85.2022.09.17.09.42.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 17 Sep 2022 09:42:31 -0700 (PDT) From: "Joel Fernandes (Google)" To: rcu@vger.kernel.org Cc: linux-kernel@vger.kernel.org, rushikesh.s.kadam@intel.com, urezki@gmail.com, neeraj.iitr10@gmail.com, frederic@kernel.org, paulmck@kernel.org, rostedt@goodmis.org, "Joel Fernandes (Google)" Subject: [PATCH rcu/next 0/3] Preparatory patches borrowed from lazy rcu v5 Date: Sat, 17 Sep 2022 16:41:57 +0000 Message-Id: <20220917164200.511783-1-joel@joelfernandes.org> X-Mailer: git-send-email 2.37.3.968.ga6b4b080e4-goog MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-0.4 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,URIBL_BLACK autolearn=no 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 that, 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? For Resend: - Added Reviewed-by tags from Frederic on 1/3 and 3/3. For 2/3, I implemented changes after last discussion. - Better commit messages. Joel Fernandes (Google) (3): rcu/tree: Use READ_ONCE() for lockless read of rnp->qsmask rcu: Fix late wakeup when flush of bypass cblist happens (v6) rcu: Call trace_rcu_callback() also for bypass queuing (v2) kernel/rcu/tree.c | 32 +++++++++++++++++++++++--------- kernel/rcu/tree_nocb.h | 10 ++++++++-- 2 files changed, 31 insertions(+), 11 deletions(-) -- 2.37.3.968.ga6b4b080e4-goog