From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755241AbbDKOWg (ORCPT ); Sat, 11 Apr 2015 10:22:36 -0400 Received: from mail-wi0-f171.google.com ([209.85.212.171]:33711 "EHLO mail-wi0-f171.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752896AbbDKOWe (ORCPT ); Sat, 11 Apr 2015 10:22:34 -0400 Message-ID: <1428762150.3400.13.camel@gmail.com> Subject: Re: [rfc patch v2] rt,nohz_full: fix nohz_full for PREEMPT_RT_FULL From: Mike Galbraith To: Sebastian Andrzej Siewior Cc: linux-rt-users , LKML , Thomas Gleixner , rostedt@goodmis.org, John Kacur Date: Sat, 11 Apr 2015 16:22:30 +0200 In-Reply-To: <1428759368.10417.25.camel@gmail.com> References: <20150216111822.GA21649@linutronix.de> <1424258514.3819.39.camel@gmail.com> <20150309134535.GA13768@linutronix.de> <1425911771.30469.8.camel@gmail.com> <1425980136.3507.17.camel@gmail.com> <1426153093.4190.2.camel@gmail.com> <1426222405.17611.7.camel@gmail.com> <20150410141552.GC3057@linutronix.de> <1428758159.10417.13.camel@gmail.com> <1428759368.10417.25.camel@gmail.com> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.16.0 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sat, 2015-04-11 at 15:36 +0200, Mike Galbraith wrote: > > Well, not reverted, I actually queued and maybe poked softirq, but > didn't check whether anything was being queued or not (the checking: !IRQ_WORK_HARD_IRQ happens, box remains alive) mount-827 [002] ....211 9.781994: irq_work_queue: queue work: ffff88041ec8d7d0 mount-827 [002] .N..211 9.781997: irq_work_queue: poke ksoftirqd sirq-timer/2-49 [002] .....11 9.781999: irq_work_run_list: execute work: ffff88041ec8d7d0 swapon-852 [003] ....211 10.224358: irq_work_queue: queue work: ffff88041eccd7d0 sirq-timer/3-67 [003] .....11 10.224501: irq_work_run_list: execute work: ffff88041eccd7d0 plymouthd-476 [000] ....2.. 10.227930: irq_work_queue: queue work: ffff88041ec0d7d0 sirq-timer/0-4 [000] .....11 10.228311: irq_work_run_list: execute work: ffff88041ec0d7d0 systemd-udevd-694 [001] ....211 10.316067: irq_work_queue: queue work: ffff88041ec4d7d0 sirq-timer/1-34 [001] .....11 10.316340: irq_work_run_list: execute work: ffff88041ec4d7d0 systemd-udevd-694 [001] ....211 10.316871: irq_work_queue: queue work: ffff88041ec4d7d0 sirq-timer/1-34 [001] .....11 10.317341: irq_work_run_list: execute work: ffff88041ec4d7d0 systemd-udevd-741 [005] ....211 10.515752: irq_work_queue: queue work: ffff88041ed4d7d0 sirq-timer/5-100 [005] .....11 10.516522: irq_work_run_list: execute work: ffff88041ed4d7d0