From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753304Ab0A2G5z (ORCPT ); Fri, 29 Jan 2010 01:57:55 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752054Ab0A2G5y (ORCPT ); Fri, 29 Jan 2010 01:57:54 -0500 Received: from mail-pz0-f189.google.com ([209.85.222.189]:45274 "EHLO mail-pz0-f189.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751344Ab0A2G5x (ORCPT ); Fri, 29 Jan 2010 01:57:53 -0500 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:date:message-id:subject:from:to:cc:content-type; b=nMhJurSn3WZ81OWkjvcLPmLZkI96vq42o4F0yQhek7fXMVBMokr40ac1VmsJl+z8H2 nwvjeomUoGvfuRDHUvK3+IZAmjn287OA1KSuFjvePFR2v326qCZva+8+amcy+beWlffJ aPcdzTM9pPcdj2P/Y4cGoO7RXuiJO+iczUSJk= MIME-Version: 1.0 Date: Fri, 29 Jan 2010 14:57:52 +0800 Message-ID: <2674af741001282257r28c97a92o9f90cf16fe8d3d84@mail.gmail.com> Subject: [RFC PATCH 1/2] sched: change usage of rt_rq->rt_se to rt_rq->tg->rt_se[cpu] From: Yong Zhang To: linux-kernel Cc: Ingo Molnar , Peter Zijlstra , Thomas Gleixner , rusty Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This is the first step to remove rt_rq member rt_se because it have the same meaning with tg->rt_se[cpu]. And the latter style is also used by CFS. Signed-off-by: Yong Zhang Cc: Ingo Molnar Cc: Peter Zijlstra Cc: Thomas Gleixner Cc: Rusty Russell --- kernel/sched_rt.c | 10 ++++++++-- 1 files changed, 8 insertions(+), 2 deletions(-) diff --git a/kernel/sched_rt.c b/kernel/sched_rt.c index f48328a..b175a98 100644 --- a/kernel/sched_rt.c +++ b/kernel/sched_rt.c @@ -199,8 +199,11 @@ static void dequeue_rt_entity(struct sched_rt_entity *rt_se); static void sched_rt_rq_enqueue(struct rt_rq *rt_rq) { + int this_cpu = smp_processor_id(); struct task_struct *curr = rq_of_rt_rq(rt_rq)->curr; - struct sched_rt_entity *rt_se = rt_rq->rt_se; + struct sched_rt_entity *rt_se; + + rt_se = rt_rq->tg->rt_se[this_cpu]; if (rt_rq->rt_nr_running) { if (rt_se && !on_rt_rq(rt_se)) @@ -212,7 +215,10 @@ static void sched_rt_rq_enqueue(struct rt_rq *rt_rq) static void sched_rt_rq_dequeue(struct rt_rq *rt_rq) { - struct sched_rt_entity *rt_se = rt_rq->rt_se; + int this_cpu = smp_processor_id(); + struct sched_rt_entity *rt_se; + + rt_se = rt_rq->tg->rt_se[this_cpu]; if (rt_se && on_rt_rq(rt_se)) dequeue_rt_entity(rt_se); -- 1.6.3.3