From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752964Ab3EIQYH (ORCPT ); Thu, 9 May 2013 12:24:07 -0400 Received: from relay3.sgi.com ([192.48.152.1]:56260 "EHLO relay.sgi.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752375Ab3EIQYG (ORCPT ); Thu, 9 May 2013 12:24:06 -0400 From: Nathan Zimmer To: linux-kernel@vger.kernel.org Cc: Nathan Zimmer , Ingo Molnar , Peter Zijlstra Subject: [PATCH] sched: use this_rq() helper Date: Thu, 9 May 2013 11:24:03 -0500 Message-Id: <1368116643-87971-1-git-send-email-nzimmer@sgi.com> X-Mailer: git-send-email 1.8.2.1 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org It is a few instructions more efficent to and slightly more readable to use this_rq()-> instead of cpu_rq(smp_processor_id()-> Cc: Ingo Molnar Cc: Peter Zijlstra Signed-off-by: Nathan Zimmer --- kernel/sched/fair.c | 6 ++---- kernel/sched/rt.c | 2 +- 2 files changed, 3 insertions(+), 5 deletions(-) diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index c61a614..f2c9c0c 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -5418,10 +5418,9 @@ static inline void nohz_balance_exit_idle(int cpu) static inline void set_cpu_sd_state_busy(void) { struct sched_domain *sd; - int cpu = smp_processor_id(); rcu_read_lock(); - sd = rcu_dereference_check_sched_domain(cpu_rq(cpu)->sd); + sd = rcu_dereference_check_sched_domain(this_rq()->sd); if (!sd || !sd->nohz_idle) goto unlock; @@ -5436,10 +5435,9 @@ unlock: void set_cpu_sd_state_idle(void) { struct sched_domain *sd; - int cpu = smp_processor_id(); rcu_read_lock(); - sd = rcu_dereference_check_sched_domain(cpu_rq(cpu)->sd); + sd = rcu_dereference_check_sched_domain(this_rq()->sd); if (!sd || sd->nohz_idle) goto unlock; diff --git a/kernel/sched/rt.c b/kernel/sched/rt.c index 127a2c4..7aced2e 100644 --- a/kernel/sched/rt.c +++ b/kernel/sched/rt.c @@ -472,7 +472,7 @@ static int rt_se_boosted(struct sched_rt_entity *rt_se) #ifdef CONFIG_SMP static inline const struct cpumask *sched_rt_period_mask(void) { - return cpu_rq(smp_processor_id())->rd->span; + return this_rq()->rd->span; } #else static inline const struct cpumask *sched_rt_period_mask(void) -- 1.8.2.1