From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753641AbbIJT6s (ORCPT ); Thu, 10 Sep 2015 15:58:48 -0400 Received: from mx1.redhat.com ([209.132.183.28]:35290 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751760AbbIJT6c (ORCPT ); Thu, 10 Sep 2015 15:58:32 -0400 From: Luiz Capitulino To: fweisbec@gmail.com Cc: linux-kernel@vger.kernel.org, cmetcalf@ezchip.com Subject: [PATCH 3/3] sched: add_nr_running(): drop tick_nohz_full_cpu() check Date: Thu, 10 Sep 2015 15:58:27 -0400 Message-Id: <1441915107-2000-4-git-send-email-lcapitulino@redhat.com> In-Reply-To: <1441915107-2000-1-git-send-email-lcapitulino@redhat.com> References: <1441915107-2000-1-git-send-email-lcapitulino@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org tick_nohz_full_kick_cpu() performs the same check. Signed-off-by: Luiz Capitulino --- kernel/sched/sched.h | 20 +++++++++----------- 1 file changed, 9 insertions(+), 11 deletions(-) diff --git a/kernel/sched/sched.h b/kernel/sched/sched.h index 68cda11..102eb18 100644 --- a/kernel/sched/sched.h +++ b/kernel/sched/sched.h @@ -1323,17 +1323,15 @@ static inline void add_nr_running(struct rq *rq, unsigned count) #endif #ifdef CONFIG_NO_HZ_FULL - if (tick_nohz_full_cpu(rq->cpu)) { - /* - * Tick is needed if more than one task runs on a CPU. - * Send the target an IPI to kick it out of nohz mode. - * - * We assume that IPI implies full memory barrier and the - * new value of rq->nr_running is visible on reception - * from the target. - */ - tick_nohz_full_kick_cpu(rq->cpu); - } + /* + * Tick is needed if more than one task runs on a CPU. + * Send the target an IPI to kick it out of nohz mode. + * + * We assume that IPI implies full memory barrier and the + * new value of rq->nr_running is visible on reception + * from the target. + */ + tick_nohz_full_kick_cpu(rq->cpu); #endif } } -- 2.1.0