From owner-freebsd-arch Tue Jan 28 8:33:15 2003 Delivered-To: freebsd-arch@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 2F99237B401 for ; Tue, 28 Jan 2003 08:33:14 -0800 (PST) Received: from critter.freebsd.dk (critter.freebsd.dk [212.242.86.163]) by mx1.FreeBSD.org (Postfix) with ESMTP id AB89C43F75 for ; Tue, 28 Jan 2003 08:33:10 -0800 (PST) (envelope-from phk@freebsd.org) Received: from critter.freebsd.dk (localhost [127.0.0.1]) by critter.freebsd.dk (8.12.6/8.12.6) with ESMTP id h0SGWmQl036866; Tue, 28 Jan 2003 17:32:48 +0100 (CET) (envelope-from phk@freebsd.org) To: Robert Watson Cc: Julian Elischer , Jeff Roberson , Matthew Dillon , Steve Kargl , Gary Jennejohn , arch@freebsd.org Subject: Re: New scheduler - Interactivity fixes From: phk@freebsd.org In-Reply-To: Your message of "Tue, 28 Jan 2003 11:29:14 EST." Date: Tue, 28 Jan 2003 17:32:48 +0100 Message-ID: <36865.1043771568@critter.freebsd.dk> Sender: owner-freebsd-arch@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG In message , Robe rt Watson writes: > >On Sat, 25 Jan 2003, Julian Elischer wrote: > >> The standard proceedure for adding a new "to be standard" feature is: >> >> Make the new feature an option, leaving the original as default. Make >> the old one as a feature as well. Change the default > >I know there are other follow-ups to this one, but I couldn't find them, >so I'll respond to this (apologies to Julian :-). I noticed recently, >perhaps in P4, that Juli Mallett had introduced a "platform" config line >for configuration files. It made me wonder whether what we shouldn't >consider doing is adding a new "scheduler" directive, i.e.,: > > > scheduler 4bsd > #scheduler ule This is just putting duck-tape over the hole rather than fix it. Config(8) barely managed to get a one-dimensional view of the options, it needs to learn about dependencies in a proper way, rather than to add magic keywords for all kernel parts. -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk@FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-arch" in the body of the message