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 S1752716AbbFAIRN (ORCPT <rfc822;w@1wt.eu>);
	Mon, 1 Jun 2015 04:17:13 -0400
Received: from bombadil.infradead.org ([198.137.202.9]:53428 "EHLO
	bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
	with ESMTP id S1752119AbbFAIRE (ORCPT
	<rfc822;linux-kernel@vger.kernel.org>);
	Mon, 1 Jun 2015 04:17:04 -0400
Date: Mon, 1 Jun 2015 10:16:58 +0200
From: Peter Zijlstra <peterz@infradead.org>
To: Mike Galbraith <umgwanakikbuti@gmail.com>
Cc: LKML <linux-kernel@vger.kernel.org>, Ingo Molnar <mingo@elte.hu>,
        ktkhai@parallels.com
Subject: Re: sched_setscheduler() vs idle_balance() race
Message-ID: <20150601081658.GQ19282@twins.programming.kicks-ass.net>
References: <1432799032.3237.119.camel@gmail.com>
 <20150528135355.GK3644@twins.programming.kicks-ass.net>
 <1432824866.3237.198.camel@gmail.com>
 <20150528152456.GO3644@twins.programming.kicks-ass.net>
 <1432924227.8727.23.camel@gmail.com>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <1432924227.8727.23.camel@gmail.com>
User-Agent: Mutt/1.5.21 (2012-12-30)
Sender: linux-kernel-owner@vger.kernel.org
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

On Fri, May 29, 2015 at 08:30:27PM +0200, Mike Galbraith wrote:

> It took quite a bit longer than I thought it would, but I finally
> managed to cobble a standalone testcase together that brings nearly
> instant gratification on my 8 socket DL980.  Patched kernel explodes, so
> first cut ain't quite ready to ship ;-)

Could you perchance share this testcase?