From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757483AbaITQvw (ORCPT ); Sat, 20 Sep 2014 12:51:52 -0400 Received: from forward1l.mail.yandex.net ([84.201.143.144]:56301 "EHLO forward1l.mail.yandex.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757382AbaITQvu (ORCPT ); Sat, 20 Sep 2014 12:51:50 -0400 X-Yandex-Uniq: 3655ec06-0805-48bb-851a-9f5a665d28a7 Authentication-Results: smtp13.mail.yandex.net; dkim=pass header.i=@yandex.ru Subject: [PATCH 6/7] sched: Delete rq::skip_clock_update == -1 From: Kirill Tkhai To: linux-kernel@vger.kernel.org Cc: Peter Zijlstra , Ingo Molnar , Kirill Tkhai Date: Sat, 20 Sep 2014 20:51:46 +0400 Message-ID: <20140920165146.16299.20907.stgit@localhost> In-Reply-To: <20140920165116.16299.1381.stgit@localhost> References: <20140920165116.16299.1381.stgit@localhost> User-Agent: StGit/0.17.1-dirty MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Kirill Tkhai Idle class task is always queued, so we can safely remove "-1" case here. Signed-off-by: Kirill Tkhai --- kernel/sched/core.c | 2 +- kernel/sched/rt.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/kernel/sched/core.c b/kernel/sched/core.c index a40d6e1..7d0d023 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -2812,7 +2812,7 @@ static void __sched __schedule(void) switch_count = &prev->nvcsw; } - if (task_on_rq_queued(prev) || rq->skip_clock_update < 0) + if (task_on_rq_queued(prev)) update_rq_clock(rq); next = pick_next_task(rq, prev); diff --git a/kernel/sched/rt.c b/kernel/sched/rt.c index de356b0..828eda0 100644 --- a/kernel/sched/rt.c +++ b/kernel/sched/rt.c @@ -835,7 +835,7 @@ static int do_sched_rt_period_timer(struct rt_bandwidth *rt_b, int overrun) * lest wakeup -> unthrottle time accumulate. */ if (rt_rq->rt_nr_running && rq->curr == rq->idle) - rq->skip_clock_update = -1; + rq->skip_clock_update = 0; } if (rt_rq->rt_time || rt_rq->rt_nr_running) idle = 0;