Date: Tue, 28 Jan 2003 17:32:48 +0100 From: phk@freebsd.org To: Robert Watson <rwatson@freebsd.org> Cc: Julian Elischer <julian@elischer.org>, Jeff Roberson <jroberson@chesapeake.net>, Matthew Dillon <dillon@apollo.backplane.com>, Steve Kargl <sgk@troutmask.apl.washington.edu>, Gary Jennejohn <garyj@jennejohn.org>, arch@freebsd.org Subject: Re: New scheduler - Interactivity fixes Message-ID: <36865.1043771568@critter.freebsd.dk> In-Reply-To: Your message of "Tue, 28 Jan 2003 11:29:14 EST." <Pine.NEB.3.96L.1030128111454.87213G-100000@fledge.watson.org>
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In message <Pine.NEB.3.96L.1030128111454.87213G-100000@fledge.watson.org>, 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
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