Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754919AbbFKRgc (ORCPT ); Thu, 11 Jun 2015 13:36:32 -0400 Received: from mail-wi0-f170.google.com ([209.85.212.170]:35384 "EHLO mail-wi0-f170.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752391AbbFKRgW (ORCPT ); Thu, 11 Jun 2015 13:36:22 -0400 From: Frederic Weisbecker To: LKML Cc: Frederic Weisbecker , Peter Zijlstra , Thomas Gleixner , Preeti U Murthy , Christoph Lameter , Ingo Molnar , Viresh Kumar , Rik van Riel Subject: [PATCH 4/8] nohz: Remove idle task special case Date: Thu, 11 Jun 2015 19:36:04 +0200 Message-Id: <1434044168-23173-5-git-send-email-fweisbec@gmail.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1434044168-23173-1-git-send-email-fweisbec@gmail.com> References: <1434044168-23173-1-git-send-email-fweisbec@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1793 Lines: 53 This is a leftover from old days to avoid conflicts with dynticks idle code. Now full dynticks and idle dynticks are better integrated and interact without known issue. So lets remove it. Cc: Christoph Lameter Cc: Ingo Molnar Cc; John Stultz Cc: Peter Zijlstra Cc: Preeti U Murthy Cc: Rik van Riel Cc: Thomas Gleixner Cc: Viresh Kumar Signed-off-by: Frederic Weisbecker --- kernel/time/tick-sched.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) diff --git a/kernel/time/tick-sched.c b/kernel/time/tick-sched.c index 812f7a3..324482f 100644 --- a/kernel/time/tick-sched.c +++ b/kernel/time/tick-sched.c @@ -208,10 +208,8 @@ void __tick_nohz_full_check(void) struct tick_sched *ts = this_cpu_ptr(&tick_cpu_sched); if (tick_nohz_full_cpu(smp_processor_id())) { - if (ts->tick_stopped && !is_idle_task(current)) { - if (!can_stop_full_tick()) - tick_nohz_restart_sched_tick(ts, ktime_get()); - } + if (ts->tick_stopped && !can_stop_full_tick()) + tick_nohz_restart_sched_tick(ts, ktime_get()); } } @@ -710,7 +708,7 @@ static void tick_nohz_full_stop_tick(struct tick_sched *ts) #ifdef CONFIG_NO_HZ_FULL int cpu = smp_processor_id(); - if (!tick_nohz_full_cpu(cpu) || is_idle_task(current)) + if (!tick_nohz_full_cpu(cpu)) return; if (!ts->tick_stopped && ts->nohz_mode == NOHZ_MODE_INACTIVE) -- 2.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/