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McKenney" To: rcu@vger.kernel.org Cc: linux-kernel@vger.kernel.org, kernel-team@meta.com, rostedt@goodmis.org Subject: [PATCH rcu 0/6] RCU Tasks updates for v6.3 Message-ID: <20230105004018.GA1770640@paulmck-ThinkPad-P17-Gen-1> Reply-To: paulmck@kernel.org MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline X-Spam-Status: No, score=-7.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_HI, SPF_HELO_NONE,SPF_PASS autolearn=ham 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! This series provides some RCU Tasks updates: 1. rcu-tasks: Use accurate runstart time for RCU Tasks boot-time testing, courtesy of Zqiang. 2. rcu-tasks: Improve comments explaining tasks_rcu_exit_srcu purpose, courtesy of Frederic Weisbecker. 3. rcu-tasks: Remove preemption disablement around srcu_read_[un]lock() calls, courtesy of Frederic Weisbecker. 4. rcu-tasks: Fix synchronize_rcu_tasks() VS zap_pid_ns_processes(), courtesy of Frederic Weisbecker. 5. rcu-tasks: Make rude RCU-Tasks work well with CPU hotplug, courtesy of Zqiang. 6. rcu-tasks: Handle queue-shrink/callback-enqueue race condition, courtesy of Zqiang. Thanx, Paul ------------------------------------------------------------------------ b/include/linux/rcupdate.h | 2 + b/kernel/pid_namespace.c | 17 +++++++++ b/kernel/rcu/tasks.h | 8 +--- kernel/rcu/tasks.h | 77 ++++++++++++++++++++++++++++++--------------- 4 files changed, 75 insertions(+), 29 deletions(-)