From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757380AbaGWFKw (ORCPT ); Wed, 23 Jul 2014 01:10:52 -0400 Received: from mail-yh0-f46.google.com ([209.85.213.46]:46910 "EHLO mail-yh0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757306AbaGWFKt (ORCPT ); Wed, 23 Jul 2014 01:10:49 -0400 From: Pranith Kumar To: "Paul E. McKenney" , Josh Triplett , Steven Rostedt , Mathieu Desnoyers , Lai Jiangshan , linux-kernel@vger.kernel.org (open list:READ-COPY UPDATE...) Subject: [PATCH 05/16] rcu: Add noreturn attribute to boost kthread Date: Wed, 23 Jul 2014 01:09:42 -0400 Message-Id: <1406092194-13004-6-git-send-email-bobby.prani@gmail.com> X-Mailer: git-send-email 2.0.0.rc2 In-Reply-To: <1406092194-13004-1-git-send-email-bobby.prani@gmail.com> References: <1406092194-13004-1-git-send-email-bobby.prani@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org rcu_boost_kthread() runs in an infinite loop and does not return. This commit adds the __noreturn attribute to the function. Signed-off-by: Pranith Kumar --- kernel/rcu/tree_plugin.h | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/kernel/rcu/tree_plugin.h b/kernel/rcu/tree_plugin.h index bac9797..dd53247 100644 --- a/kernel/rcu/tree_plugin.h +++ b/kernel/rcu/tree_plugin.h @@ -1222,7 +1222,7 @@ static int rcu_boost(struct rcu_node *rnp) * Priority-boosting kthread. One per leaf rcu_node and one for the * root rcu_node. */ -static int rcu_boost_kthread(void *arg) +static __noreturn int rcu_boost_kthread(void *arg) { struct rcu_node *rnp = (struct rcu_node *)arg; int spincnt = 0; @@ -1250,7 +1250,6 @@ static int rcu_boost_kthread(void *arg) } /* NOTREACHED */ trace_rcu_utilization(TPS("End boost kthread@notreached")); - return 0; } /* -- 2.0.0.rc2