From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755170AbcCBPPi (ORCPT ); Wed, 2 Mar 2016 10:15:38 -0500 Received: from mail.kernel.org ([198.145.29.136]:55132 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754282AbcCBPLQ (ORCPT ); Wed, 2 Mar 2016 10:11:16 -0500 Message-Id: <20160302151110.893912638@goodmis.org> User-Agent: quilt/0.61-1 Date: Wed, 02 Mar 2016 10:09:03 -0500 From: Steven Rostedt To: linux-kernel@vger.kernel.org, linux-rt-users Cc: Thomas Gleixner , Carsten Emde , Sebastian Andrzej Siewior , John Kacur , Paul Gortmaker , Grygorii Strashko Subject: [PATCH RT 04/22] kernel/softirq: use cond_resched_rcu_qs() on -RT as well (run_ksoftirqd()) References: <20160302150859.204542604@goodmis.org> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15 Content-Disposition: inline; filename=0004-kernel-softirq-use-cond_resched_rcu_qs-on-RT-as-well.patch Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 4.1.15-rt18-rc1 stable review patch. If anyone has any objections, please let me know. ------------------ From: Sebastian Andrzej Siewior The upstream changes were: 6047967 ksoftirqd: Use new cond_resched_rcu_qs() function 28423ad ksoftirqd: Enable IRQs and call cond_resched() before poking RCU Reported-by: Grygorii Strashko Signed-off-by: Sebastian Andrzej Siewior Signed-off-by: Steven Rostedt --- kernel/softirq.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/softirq.c b/kernel/softirq.c index 0fd93311536f..f4c2e679a7d7 100644 --- a/kernel/softirq.c +++ b/kernel/softirq.c @@ -599,8 +599,8 @@ static void run_ksoftirqd(unsigned int cpu) do_current_softirqs(); current->softirq_nestcnt--; - rcu_note_context_switch(); local_irq_enable(); + cond_resched_rcu_qs(); } /* -- 2.7.0