From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753337AbbJFQcB (ORCPT ); Tue, 6 Oct 2015 12:32:01 -0400 Received: from e34.co.us.ibm.com ([32.97.110.152]:44194 "EHLO e34.co.us.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752893AbbJFQ3t (ORCPT ); Tue, 6 Oct 2015 12:29:49 -0400 X-IBM-Helo: d03dlp03.boulder.ibm.com X-IBM-MailFrom: paulmck@linux.vnet.ibm.com X-IBM-RcptTo: linux-kernel@vger.kernel.org From: "Paul E. McKenney" To: linux-kernel@vger.kernel.org Cc: mingo@kernel.org, jiangshanlai@gmail.com, dipankar@in.ibm.com, akpm@linux-foundation.org, mathieu.desnoyers@efficios.com, josh@joshtriplett.org, tglx@linutronix.de, peterz@infradead.org, rostedt@goodmis.org, dhowells@redhat.com, edumazet@google.com, dvhart@linux.intel.com, fweisbec@gmail.com, oleg@redhat.com, bobby.prani@gmail.com, "Paul E. McKenney" Subject: [PATCH tip/core/rcu 16/18] rcu: Add tasks to expedited stall-warning messages Date: Tue, 6 Oct 2015 09:29:35 -0700 Message-Id: <1444148977-14108-16-git-send-email-paulmck@linux.vnet.ibm.com> X-Mailer: git-send-email 2.5.2 In-Reply-To: <1444148977-14108-1-git-send-email-paulmck@linux.vnet.ibm.com> References: <20151006162907.GA12020@linux.vnet.ibm.com> <1444148977-14108-1-git-send-email-paulmck@linux.vnet.ibm.com> X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 15100616-0017-0000-0000-00000E6A7A82 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This commit adds task-print ability to the expedited RCU CPU stall warning messages in preparation for adding stall warnings to synchornize_rcu_expedited(). Signed-off-by: Paul E. McKenney --- kernel/rcu/tree.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c index b246aa0470dc..ed957c3b6c86 100644 --- a/kernel/rcu/tree.c +++ b/kernel/rcu/tree.c @@ -3734,7 +3734,7 @@ static void synchronize_sched_expedited_wait(struct rcu_state *rsp) sync_rcu_preempt_exp_done(rnp_root)); return; } - pr_err("INFO: %s detected expedited stalls on CPUs: {", + pr_err("INFO: %s detected expedited stalls on CPUs/tasks: {", rsp->name); rcu_for_each_leaf_node(rsp, rnp) { (void)rcu_print_task_exp_stall(rnp); -- 2.5.2