Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261172AbUCAKSy (ORCPT ); Mon, 1 Mar 2004 05:18:54 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261179AbUCAKSy (ORCPT ); Mon, 1 Mar 2004 05:18:54 -0500 Received: from smtp-out1.xs4all.nl ([194.109.24.11]:27667 "EHLO smtp-out1.xs4all.nl") by vger.kernel.org with ESMTP id S261172AbUCAKSc (ORCPT ); Mon, 1 Mar 2004 05:18:32 -0500 Subject: Re: [RFC][PATCH] O(1) Entitlement Based Scheduler From: Paul Wagland To: Joachim B Haga Cc: Peter Williams , Timothy Miller , linux-kernel@vger.kernel.org In-Reply-To: References: Content-Type: text/plain Message-Id: <1078136291.16756.5.camel@paulw-desktop.allshare.nl> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.5 Date: Mon, 01 Mar 2004 11:18:12 +0100 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1225 Lines: 31 On Mon, 2004-03-01 at 10:18, Joachim B Haga wrote: > Peter Williams writes: > > >> It seems to me that much of this could be solved if the user *were* > >> allowed to lower nice values (down to 0). > [snip] > >> to 10 (normal) to 20. Negative values could still be root-only. So > >> why shouldn't this be possible? Because a greedy user in a > > > More importantly it would allow ordinary users to override root's > > settings e.g. if (for whatever reason) the sysadmin decided to > And it's not a *security* concern, as long as the lower values are > still reserved. > > I would say the benefit is very small (I mean: who has ever relied on > it?) compared to the difficulties created for users. Under Linux, I can't say, but certainly on my old school machine (~10 years ago) all student accounts would run at +5, all staff accounts would run at +0. This was handled by the login process, so re-logging in would not help you at all.... Cheers, Paul - 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/