From: Rusty Russell <rusty@rustcorp.com.au>
To: Alexander Viro <viro@math.psu.edu>
Cc: esr@thyrsus.com, alan@lxorguk.ukuu.org.uk,
babydr@baby-dragons.com, cate@debian.org,
linux-kernel@vger.kernel.org
Subject: Re: Hardwired drivers are going away?
Date: Tue, 15 Jan 2002 10:12:56 +1100 [thread overview]
Message-ID: <20020115101256.33f1bafa.rusty@rustcorp.com.au> (raw)
In-Reply-To: <Pine.GSO.4.21.0201141337580.224-100000@weyl.math.psu.edu>
In-Reply-To: <20020114131050.E14747@thyrsus.com> <Pine.GSO.4.21.0201141337580.224-100000@weyl.math.psu.edu>
On Mon, 14 Jan 2002 14:09:16 -0500 (EST)
Alexander Viro <viro@math.psu.edu> wrote:
> Two technical obstacles:
> a) on some architecures modular code is slower (IIRC, the problem is
> with medium-range calls being faster than far ones and usable only in the
> kernel proper). We probaly want to leave a gap after the .text and remap
> .text of module in there - if I understand the problem that should be
> enough, but that's really a question to folks dealing with these ports (PPC64
> and Itanic?)
Sparc64 has a special allocator. PPC32 is not so lucky, and if the module
doesn't end up under 32MB we use trampolines (PLT in the ppc parlance).
PPC64 has similar issues.
> b) current differences between options parsing in case of built-in
> and modular drivers.
I have a patch for this, of course, but it's tied to my replacement module
loader:
http://www.kernel.org/pub/linux/kernel/people/rusty/patches/Module/param.patch.bz2
Cheers!
Rusty.
--
Anyone who quotes me in their sig is an idiot. -- Rusty Russell.
next prev parent reply other threads:[~2002-01-14 23:13 UTC|newest]
Thread overview: 97+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <fa.dardpev.1m1emjp@ifi.uio.no>
2002-01-14 10:14 ` ISA hardware discovery -- the elegant solution Giacomo Catenazzi
2002-01-14 16:16 ` Eric S. Raymond
2002-01-14 16:38 ` Giacomo Catenazzi
2002-01-14 16:34 ` Eric S. Raymond
2002-01-14 17:48 ` Alan Cox
2002-01-14 17:55 ` Mr. James W. Laferriere
2002-01-14 18:08 ` Alan Cox
2002-01-14 18:10 ` Hardwired drivers are going away? Eric S. Raymond
2002-01-14 18:50 ` David Lang
2002-01-14 19:04 ` Alan Cox
2002-01-14 18:57 ` David Lang
2002-01-14 19:03 ` Andrew Pimlott
2002-01-14 19:21 ` Alan Cox
2002-01-15 10:45 ` Horst von Brand
2002-01-15 11:13 ` crispin
2002-01-15 14:25 ` David Lang
2002-01-14 19:00 ` Mr. James W. Laferriere
2002-01-14 19:17 ` Alan Cox
2002-01-14 19:14 ` Mr. James W. Laferriere
2002-01-14 19:37 ` Alan Cox
2002-01-14 20:28 ` Mr. James W. Laferriere
2002-01-14 19:44 ` David Lang
2002-01-14 20:09 ` Alexander Viro
2002-01-14 20:49 ` Chris Friesen
2002-01-14 20:55 ` Alexander Viro
2002-01-14 20:51 ` Ian Molton
2002-01-14 22:11 ` David Lang
2002-01-14 23:12 ` Brian Gerst
2002-01-14 23:17 ` David Lang
2002-01-14 23:22 ` Ian Molton
2002-01-15 0:40 ` H. Peter Anvin
2002-01-14 19:54 ` David Lang
2002-01-15 17:27 ` Aaron Lehmann
2002-01-15 17:47 ` Alexander Viro
2002-01-15 19:48 ` Alan Cox
2002-01-18 12:39 ` Florian Weimer
2002-01-18 22:20 ` Mr. James W. Laferriere
2002-01-18 23:22 ` Keith Owens
2002-01-20 23:20 ` Frank van de Pol
2002-01-21 0:54 ` Bruce Harada
2002-01-21 3:49 ` Andreas Ferber
2002-01-21 4:45 ` Bruce Harada
2002-01-21 5:12 ` Andreas Ferber
2002-01-21 1:06 ` Anton Altaparmakov
2002-01-21 1:07 ` Mr. James W. Laferriere
2002-01-21 1:30 ` Andrew Morton
2002-01-21 1:53 ` Keith Owens
2002-01-21 2:04 ` Andrew Morton
2002-01-21 2:25 ` Keith Owens
2002-01-21 2:56 ` Andrew Morton
2002-01-21 3:43 ` Keith Owens
2002-01-21 4:24 ` Andrew Morton
2002-01-21 3:44 ` yodaiken
2002-01-21 20:57 ` Kai Henningsen
2002-01-21 2:13 ` John Levon
2002-01-21 2:31 ` Keith Owens
2002-01-21 23:52 ` Thomas Zimmerman
2002-01-21 9:34 ` Horst von Brand
2002-01-21 14:29 ` John Levon
2002-01-21 1:31 ` Anton Altaparmakov
2002-01-14 19:27 ` Alexander Viro
2002-01-15 17:24 ` Aaron Lehmann
2002-01-15 18:17 ` David Lang
2002-01-15 19:25 ` Aaron Lehmann
2002-01-15 19:44 ` Kai Henningsen
2002-01-14 18:54 ` Mr. James W. Laferriere
2002-01-14 18:56 ` Alan Cox
2002-01-14 18:39 ` Eric S. Raymond
2002-01-14 19:09 ` Alexander Viro
2002-01-14 14:19 ` Rob Landley
2002-01-14 22:33 ` Greg KH
2002-01-15 11:35 ` Keith Owens
2002-01-15 15:34 ` Oliver Xymoron
2002-01-14 19:24 ` Alan Cox
2002-01-14 20:17 ` Eric S. Raymond
2002-01-14 14:57 ` Rob Landley
2002-01-14 20:51 ` David Lang
2002-01-14 22:18 ` Oliver Xymoron
2002-01-15 19:20 ` Horst von Brand
2002-01-16 9:00 ` Eric S. Raymond
2002-01-14 23:12 ` Rusty Russell [this message]
2002-02-09 0:19 ` Dr. Kelsey Hudson
2002-01-14 17:59 ` ISA hardware discovery -- the elegant solution Eric S. Raymond
2002-01-14 18:35 ` Alan Cox
[not found] <20020115025840.11509.qmail@science.horizon.com.suse.lists.linux.kernel>
2002-01-15 12:16 ` Hardwired drivers are going away? Andi Kleen
2002-01-15 2:58 peter
2002-01-15 12:44 ` Alan Cox
2002-01-15 12:39 ` David S. Miller
2002-01-15 18:39 ` Rob Landley
[not found] <mailman.1011034621.1626.linux-kernel2news@redhat.com>
2002-01-14 23:33 ` Pete Zaitcev
[not found] <fa.g055bvv.qmq0hk@ifi.uio.no>
[not found] ` <ksahkuv.tg60gl@ifi.uio.no>
2002-01-14 22:22 ` Chris Adams
-- strict thread matches above, loose matches on Subject: below --
2001-08-05 0:39 module unresolved symbols rich+ml
2001-08-05 0:49 ` Jesse Pollard
2001-08-05 0:51 ` Steven Walter
2001-08-05 1:48 ` Keith Owens
2001-08-05 16:06 ` Horst von Brand
2001-08-06 11:18 ` Keith Owens
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