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[86.21.41.95]) by smtp.gmail.com with ESMTPSA id m18sm1756238wrn.69.2021.04.28.16.12.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 28 Apr 2021 16:12:30 -0700 (PDT) From: Jules Irenge To: rcu@vger.kernel.org Cc: joel@joelfernandes.org, jiangshanlai@gmail.com, mathieu.desnoyers@efficios.com, rostedt@goodmis.org, paulmck@kernel.org, linux-kernel@vger.kernel.org, Jules Irenge Subject: [PATCH] rcu: Add missing __releases() annotation Date: Thu, 29 Apr 2021 00:12:19 +0100 Message-Id: <20210428231219.48109-1-jbi.octave@gmail.com> X-Mailer: git-send-email 2.31.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Sparse report a warning at rcu_print_task_stall() "warning: context imbalance in rcu_print_task_stall - unexpected unlock" The root cause is a missing annotation at rcu_print_task_stall() function Add the missing __releases(rnp->lock) annotation Signed-off-by: Jules Irenge --- kernel/rcu/tree_stall.h | 1 + 1 file changed, 1 insertion(+) diff --git a/kernel/rcu/tree_stall.h b/kernel/rcu/tree_stall.h index 59b95cc5cbdf..18b2d5274d65 100644 --- a/kernel/rcu/tree_stall.h +++ b/kernel/rcu/tree_stall.h @@ -314,6 +314,7 @@ static void rcu_print_detail_task_stall_rnp(struct rcu_node *rnp) * tasks blocked within RCU read-side critical sections. */ static int rcu_print_task_stall(struct rcu_node *rnp, unsigned long flags) + __releases(rnp->lock) { raw_spin_unlock_irqrestore_rcu_node(rnp, flags); return 0; -- 2.31.1