From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <linux-kernel-owner@vger.kernel.org>
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
	id S932170AbcFGHLv (ORCPT <rfc822;w@1wt.eu>);
	Tue, 7 Jun 2016 03:11:51 -0400
Received: from bombadil.infradead.org ([198.137.202.9]:58477 "EHLO
	bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
	with ESMTP id S1750705AbcFGHLu (ORCPT
	<rfc822;linux-kernel@vger.kernel.org>);
	Tue, 7 Jun 2016 03:11:50 -0400
Date: Tue, 7 Jun 2016 09:11:45 +0200
From: Peter Zijlstra <peterz@infradead.org>
To: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Cc: Julien Desfossez <jdesfossez@efficios.com>, Ingo Molnar <mingo@kernel.org>,
        Thomas Gleixner <tglx@linutronix.de>, rostedt <rostedt@goodmis.org>,
        linux-kernel@vger.kernel.org
Subject: Re: [RFC PATCH 1/2] sched: encapsulate priority changes in a
 sched_set_prio static function
Message-ID: <20160607071144.GK30909@twins.programming.kicks-ass.net>
References: <1464362168-17064-1-git-send-email-jdesfossez@efficios.com>
 <2082030050.22688.1464614283967.JavaMail.zimbra@efficios.com>
 <1547310235.29814.1465249672015.JavaMail.zimbra@efficios.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <1547310235.29814.1465249672015.JavaMail.zimbra@efficios.com>
User-Agent: Mutt/1.5.23.1 (2014-03-12)
Sender: linux-kernel-owner@vger.kernel.org
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

On Mon, Jun 06, 2016 at 09:47:52PM +0000, Mathieu Desnoyers wrote:
> >> +++ b/kernel/sched/core.c
> >> @@ -2230,6 +2230,11 @@ int sysctl_schedstats(struct ctl_table *table, int write,
> >> #endif
> >> #endif
> >> 
> >> +static void sched_set_prio(struct task_struct *p, int prio)
> >> +{
> >> +	p->prio = prio;
> >> +}

Urgh; so there's a bunch of patches to the PI code that I've been
ignoring that'll completely break all this.

Let me dig them up and get this all sorted.

Basically, looking at @prio is broken.