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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 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-1.2 required=5.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS autolearn=unavailable autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on agentk.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (agentk.vger.email [0.0.0.0]); Tue, 03 Oct 2023 16:29:53 -0700 (PDT) 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 --- 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(-)