Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751862AbaB1Kvk (ORCPT ); Fri, 28 Feb 2014 05:51:40 -0500 Received: from relay.parallels.com ([195.214.232.42]:35943 "EHLO relay.parallels.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750927AbaB1Kvj (ORCPT ); Fri, 28 Feb 2014 05:51:39 -0500 Message-ID: <1393584643.3522.5.camel@tkhai> Subject: Re: [PATCH]sched/core: Return possibility to set RT and DL classes back From: Kirill Tkhai To: CC: Thomas Gleixner , Peter Zijlstra , Ingo Molnar , Date: Fri, 28 Feb 2014 14:50:43 +0400 In-Reply-To: <1393496657.3522.3.camel@tkhai> References: <1393496657.3522.3.camel@tkhai> Organization: Parallels Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.8.5-2+b1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Originating-IP: [10.30.26.172] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Thomas, have you seen this? Nothing works at the moment: now 21 root 20 0 0 0 0 S 0.0 0.0 0:00.00 watchdog/3 16 root 20 0 0 0 0 S 0.0 0.0 0:00.00 watchdog/2 11 root 20 0 0 0 0 S 0.0 0.0 0:00.00 watchdog/1 10 root 20 0 0 0 0 S 0.0 0.0 0:00.00 watchdog/0 22 root 20 0 0 0 0 S 0.0 0.0 0:00.00 migration/3 17 root 20 0 0 0 0 S 0.0 0.0 0:00.00 migration/2 12 root 20 0 0 0 0 S 0.0 0.0 0:00.04 migration/1 9 root 20 0 0 0 0 S 0.0 0.0 0:00.20 migration/0 with fix 21 root RT 0 0 0 0 S 0.0 0.0 0:00.00 watchdog/3 16 root RT 0 0 0 0 S 0.0 0.0 0:00.00 watchdog/2 11 root RT 0 0 0 0 S 0.0 0.0 0:00.00 watchdog/1 10 root RT 0 0 0 0 S 0.0 0.0 0:00.00 watchdog/0 22 root RT 0 0 0 0 S 0.0 0.0 0:00.00 migration/3 17 root RT 0 0 0 0 S 0.0 0.0 0:00.03 migration/2 12 root RT 0 0 0 0 S 0.0 0.0 0:00.00 migration/1 9 root RT 0 0 0 0 S 0.0 0.0 0:00.24 migration/0 В Чт, 27/02/2014 в 14:24 +0400, Kirill Tkhai пишет: > [PATCH]sched/core: Return possibility to set RT and DL classes back > > I found that it's impossible to set RT policy for tasks at the moment. > > This is regression after commit [sched: Consider pi boosting in setscheduler()] > [c365c292d05908c6ea6f32708f331e21033fe71d ] > Fix that. > > Signed-off-by: Kirill Tkhai > CC: Thomas Gleixner > CC: Peter Zijlstra > CC: Ingo Molnar > --- > kernel/sched/core.c | 4 ++++ > 1 file changed, 4 insertions(+) > diff --git a/kernel/sched/core.c b/kernel/sched/core.c > index 84b23ce..30cf9ad 100644 > --- a/kernel/sched/core.c > +++ b/kernel/sched/core.c > @@ -3193,6 +3193,10 @@ static void __setscheduler_params(struct task_struct *p, > * getparam()/getattr() don't report silly values for !rt tasks. > */ > p->rt_priority = attr->sched_priority; > + > + p->normal_prio = normal_prio(p); > + p->prio = rt_mutex_getprio(p); > + > set_load_weight(p); > } > > -- 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/