Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964906AbWAISO2 (ORCPT ); Mon, 9 Jan 2006 13:14:28 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S964904AbWAISO2 (ORCPT ); Mon, 9 Jan 2006 13:14:28 -0500 Received: from mail.gmx.net ([213.165.64.21]:50152 "HELO mail.gmx.net") by vger.kernel.org with SMTP id S964906AbWAISO1 (ORCPT ); Mon, 9 Jan 2006 13:14:27 -0500 X-Authenticated: #14349625 Message-Id: <5.2.1.1.2.20060109185052.00bef6c0@pop.gmx.net> X-Mailer: QUALCOMM Windows Eudora Version 5.2.1 Date: Mon, 09 Jan 2006 19:14:19 +0100 To: Con Kolivas From: Mike Galbraith Subject: Re: [SCHED] wrong priority calc - SIMPLE test case Cc: Paolo Ornati , Linux Kernel Mailing List , Ingo Molnar , Nick Piggin , Peter Williams In-Reply-To: <200601100308.05836.kernel@kolivas.org> References: <5.2.1.1.2.20060109162113.00ba9fd0@pop.gmx.net> <5.2.1.1.2.20060102092903.00bde090@pop.gmx.net> <5.2.1.1.2.20051231162352.00bda610@pop.gmx.net> <5.2.1.1.2.20060109162113.00ba9fd0@pop.gmx.net> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; format=flowed X-Antivirus: avast! (VPS 0601-0, 01/02/2006), Outbound message X-Antivirus-Status: Clean X-Y-GMX-Trusted: 0 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 969 Lines: 27 At 03:08 AM 1/10/2006 +1100, Con Kolivas wrote: >On Tuesday 10 January 2006 02:52, Mike Galbraith wrote: > > > > Anyway, if anyone wants to see a functional demonstration, just try > > this. Remove the TASK_NONINTERACTIVE in fs/pipe.c in both the stock kernel > > and this modified one so Davide Libenzi's excellent sleep pattern exploit > > (irman2) can work [1], and do the below all at the same time ... > > > > make -j4 bzImage > > irman2 > > thud 3 > >... > > >Want to try with a few other schedulers using plugsched? Not really. These exploits were specifically aimed at the current scheduler's Achilles Heel. Besides, that carries implications of replacing this one, and I'm pretty fond of it. -Mike - 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/