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From: Russell King <rmk@arm.linux.org.uk>
To: Daniel <ddickman@nyc.rr.com>
Cc: Linux kernel <linux-kernel@vger.kernel.org>
Subject: Re: obsolete code must die
Date: Thu, 14 Jun 2001 07:31:44 +0100	[thread overview]
Message-ID: <20010614073144.A28504@flint.arm.linux.org.uk> (raw)
In-Reply-To: <01a401c0f46b$20b932e0$480e6c42@almlba4sy7xn6x>
In-Reply-To: <01a401c0f46b$20b932e0$480e6c42@almlba4sy7xn6x>; from ddickman@nyc.rr.com on Wed, Jun 13, 2001 at 08:44:11PM -0400

On Wed, Jun 13, 2001 at 08:44:11PM -0400, Daniel wrote:
> Anyone concerned about the current size of the kernel source code? I am, and
> I propose to start cleaning house on the x86 platform. I mean it's all very
> well and good to keep adding features, but stuff needs to go if kernel
> development is to move forward. Before listing the gunk I want to get rid
> of, here's my justification for doing so:
> -- Getting rid of old code can help simplify the kernel. This means less
> chance of bugs.
> -- Simplifying the kernel means that it will be easier for newbies to
> understand and perhaps contribute.
> -- a simpler, cleaner kernel will also be of more use in an academic
> environment.
> -- a smaller kernel is easier to maintain and is easier to re-architect
> should the need arise.
> -- If someone really needs support for this junk, they will always have the
> option of using the 2.0.x, 2.2.x or 2.4.x series.
> 
> So without further ado here're the features I want to get rid of:
> 
> i386, i486
> The Pentium processor has been around since 1995. Support for these older
> processors should go so we can focus on optimizations for the pentium and
> better processors.
> 
> math-emu
> If support for i386 and i486 is going away, then so should math emulation.
> Every intel processor since the 486DX has an FPU unit built in. In fact
> shouldn't FPU support be a userspace responsibility anyway?
> 
> ISA bus, MCA bus, EISA bus
> PCI is the defacto standard. Get rid of CONFIG_BLK_DEV_ISAPNP,
> CONFIG_ISAPNP, etc
> 
> ISA, MCA, EISA device drivers
> If support for the buses is gone, there's no point in supporting devices for
> these buses.
> 
> all code marked as CONFIG_OBSOLETE
> Since we're cleaning house we may as well get rid of this stuff.
> 
> MFM/RLL/XT/ESDI hard drive support
> Does anyone still *have* an RLL drive that works? At the very least get rid
> of the old driver (eg CONFIG_BLK_DEV_HD_ONLY, CONFIG_BLK_DEV_HD_IDE,
> CONFIG_BLK_DEV_XD, CONFIG_BLK_DEV_PS2)
> 
> parallel/serial/game ports
> More controversial to remove this, since they are *still* in pretty wide
> use -- but USB and IEEE 1394 are the way to go. No ifs ands or buts.
> 
> a.out
> Who needs it anymore. I love ELF.

Is this one big joke?  It looks like it to me.

--
Russell King (rmk@arm.linux.org.uk)                The developer of ARM Linux
             http://www.arm.linux.org.uk/personal/aboutme.html


  parent reply	other threads:[~2001-06-14  6:32 UTC|newest]

Thread overview: 59+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <Pine.LNX.4.21.0106140018140.14934-100000@imladris.rielhome .conectiva>
2001-06-14  0:44 ` Daniel
2001-06-14  0:54   ` Rik van Riel
2001-06-14  0:56   ` Jaswinder Singh
2001-06-14  1:00   ` Jeff Garzik
     [not found]   ` <20010613204729.A18297@pimlott.ne.mediaone.net>
2001-06-14  1:05     ` Daniel Dickman
2001-06-14  1:09       ` Rik van Riel
2001-06-14  1:20       ` Gary E. Miller
2001-06-14  1:08   ` Colonel
2001-06-13 22:23     ` Rafael Diniz
2001-06-15 19:45       ` Eric Hancock
2001-06-14 19:00     ` Mike A. Harris
2001-06-14  1:11   ` John Chris Wren
2001-06-14  1:13   ` Claudio Martins
2001-06-14  1:23   ` Justin Guyett
2001-06-14  1:51   ` Mohammad A. Haque
2001-06-14  1:55   ` Horst von Brand
2001-06-14  3:41     ` Arnaldo Carvalho de Melo
2001-06-14  1:58   ` D. Stimits
2001-06-14  2:22   ` Alan Olsen
2001-06-14  1:24     ` Robert Love
2001-06-14  1:32       ` Colonel
2001-06-14  1:45         ` Rainer Mager
2001-06-14  2:00           ` Download process for a "split kernel" (was: obsolete code must die) David Luyer
2001-06-14  2:30             ` Jaswinder Singh
2001-06-14  7:56             ` Daniel Phillips
2001-06-14  8:34               ` Alexander Viro
2001-06-14 16:25                 ` Daniel Phillips
2001-06-14 17:21                 ` Richard Gooch
2001-06-14 12:07             ` Horst von Brand
2001-06-14 12:14               ` David Luyer
2001-06-14 12:18                 ` Rob Landley
2001-06-14  7:56           ` obsolete code must die Alan Cox
2001-06-14  9:06             ` Ghozlane Toumi
2001-06-14  9:24             ` James Sutherland
2001-06-14 14:45             ` Michael Bacarella
2001-06-15  3:58             ` Michael Peddemors
2001-06-15  4:09               ` Joel Jaeggli
2001-06-15 11:51             ` Rogier Wolff
2001-06-14  1:41     ` David Luyer
2001-06-14  2:37       ` Tom Vier
2001-06-14  8:35     ` Bohdan Vlasyuk
2001-06-14 10:25     ` Andrzej Krzysztofowicz
2001-06-14  2:31   ` James Stevenson
2001-06-14  3:24   ` Rik van Riel
2001-06-14  3:48   ` Stephen Satchell
2001-06-14  4:26     ` Rik van Riel
2001-06-14  6:31   ` Russell King [this message]
2001-06-14  6:54     ` Daniel Dickman
2001-06-14  7:12   ` L. K.
2001-06-14  8:44   ` Luigi Genoni
2001-06-14  9:55   ` Thomas Pornin
2001-06-14 15:15   ` Brad Johnson
2001-06-14 18:57   ` Mike A. Harris
2001-06-15  3:48   ` Michael Peddemors
2001-06-15 14:21     ` Horst von Brand
2001-06-14 10:22 Heusden, Folkert van
2001-06-14 13:05 ` Nils Holland
2001-06-14 14:01 Jesse Pollard
2001-06-14 17:21 ` richard

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