From: Keith Owens <kaos@ocs.com.au>
To: Dave Hansen <haveblue@us.ibm.com>
Cc: "Martin J. Bligh" <Martin.Bligh@us.ibm.com>,
Anton Blanchard <anton@samba.org>,
lse-tech@lists.sourceforge.net, linux-kernel@vger.kernel.org
Subject: Re: [Lse-tech] Re: 10.31 second kernel compile
Date: Thu, 14 Mar 2002 12:07:15 +1100 [thread overview]
Message-ID: <27361.1016068035@kao2.melbourne.sgi.com> (raw)
In-Reply-To: Your message of "Wed, 13 Mar 2002 13:44:43 -0800." <3C8FC84B.1060704@us.ibm.com>
On Wed, 13 Mar 2002 13:44:43 -0800,
Dave Hansen <haveblue@us.ibm.com> wrote:
>The final linking stage in the makefile looks like this:
>
>vmlinux: piggy.o $(OBJECTS)
> $(LD) $(ZLINKFLAGS) -o vmlinux $(OBJECTS) piggy.o
>
>If we link in chunks, we can parallelize this.
>Image 26 object files: [a-z].o
>
>ld -r -o abcd.o [abcd].o
>ld -r -o efgh.o [efgh].o
>...
>ld -r -o abcdefgh.o {abcd,efgh,...}.o
>
>then, instead of the old final link stage:
>$(LD) $(ZLINKFLAGS) -o vmlinux {abcdefgh,...}.o piggy.o
>
>The final link will still take a while, but we will have at least broken
>up SOME of the work. I'm going to see if this will actually work now.
>Any comments?
I'm sorry Dave, you can't do that ;) The init_call order is controlled
by link order, change the link order and you corrupt the kernel
initialization order, double plus ungood. The link of vmlinux requires
that $(OBJECTS) be exactly as coded.
next prev parent reply other threads:[~2002-03-14 1:08 UTC|newest]
Thread overview: 137+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-03-13 8:52 10.31 second kernel compile Anton Blanchard
2002-03-13 14:44 ` Martin J. Bligh
2002-03-13 21:44 ` [Lse-tech] " Dave Hansen
2002-03-14 1:07 ` Keith Owens [this message]
2002-03-14 11:27 ` Anton Blanchard
2002-03-14 13:16 ` [Lse-tech] " Dipankar Sarma
2002-03-17 13:12 ` some RCU dcache and ratcache results Anton Blanchard
2002-03-14 13:21 ` [Lse-tech] Re: 10.31 second kernel compile Momchil Velikov
2002-03-14 18:33 ` Daniel Phillips
2002-03-15 12:16 ` Chris Wedgwood
2002-03-16 5:12 ` Anton Blanchard
2002-03-15 18:20 ` Linus Torvalds
2002-03-16 11:55 ` Paul Mackerras
2002-03-16 17:25 ` Rik van Riel
2002-03-16 17:57 ` yodaiken
2002-03-16 18:06 ` Linus Torvalds
2002-03-16 18:35 ` yodaiken
2002-03-16 18:45 ` Linus Torvalds
2002-03-16 18:57 ` yodaiken
2002-03-16 19:16 ` Linus Torvalds
2002-03-16 19:43 ` David Mosberger
2002-03-16 19:58 ` Linus Torvalds
2002-03-16 20:08 ` yodaiken
2002-03-16 20:23 ` Linus Torvalds
2002-03-16 20:36 ` David Mosberger
2002-03-16 20:46 ` Linus Torvalds
2002-03-17 1:09 ` Paul Mackerras
2002-03-17 2:08 ` Linus Torvalds
2002-03-16 19:53 ` yodaiken
2002-03-16 20:02 ` Linus Torvalds
2002-03-16 20:25 ` yodaiken
2002-03-27 1:07 ` Richard Henderson
2002-03-16 20:53 ` Alan Cox
2002-03-18 3:07 ` David S. Miller
2002-03-16 15:24 ` Daniel Phillips
2002-03-16 19:01 ` Linus Torvalds
2002-03-16 22:25 ` Daniel Phillips
2002-03-19 16:35 ` Bill Davidsen
2002-03-14 19:05 ` Linus Torvalds
2002-03-19 16:40 ` Bill Davidsen
2002-03-14 18:21 ` Hanna Linder
2002-03-16 5:27 ` Anton Blanchard
2002-03-15 7:12 ` Chris Wedgwood
2002-03-16 6:15 ` 7.52 " Anton Blanchard
2002-03-16 6:42 ` [Lse-tech] " Gerrit Huizenga
2002-03-17 12:34 ` Anton Blanchard
2002-03-17 22:09 ` Theodore Tso
2002-03-18 7:04 ` Jeff Garzik
2002-03-19 18:28 ` Theodore Tso
2002-03-16 8:05 ` Linus Torvalds
2002-03-16 11:04 ` Paul Mackerras
2002-03-16 18:32 ` Linus Torvalds
2002-03-17 2:00 ` Paul Mackerras
2002-03-17 2:40 ` Linus Torvalds
2002-03-17 2:50 ` M. Edward Borasky
2002-03-18 15:08 ` 0.73 " snpe
2002-03-18 19:42 ` 7.52 " Cort Dougan
2002-03-18 20:04 ` Linus Torvalds
2002-03-18 20:23 ` Linus Torvalds
2002-03-18 21:50 ` Rene Herman
2002-03-18 22:36 ` Cort Dougan
2002-03-18 22:47 ` Linus Torvalds
2002-03-18 22:56 ` Cort Dougan
2002-03-18 23:52 ` Paul Mackerras
2002-03-19 0:57 ` Dave Jones
2002-03-19 3:35 ` Jeff Garzik
2002-03-19 0:22 ` David S. Miller
2002-03-19 0:27 ` Cort Dougan
2002-03-19 0:27 ` David S. Miller
2002-03-19 0:36 ` Cort Dougan
2002-03-19 0:38 ` David S. Miller
2002-03-19 1:28 ` Davide Libenzi
2002-03-19 2:42 ` Paul Mackerras
2002-03-27 2:53 ` Richard Henderson
2002-04-02 4:32 ` Linus Torvalds
2002-04-02 10:50 ` Pablo Alcaraz
2002-03-18 21:34 ` Cort Dougan
2002-03-18 22:00 ` Linus Torvalds
2002-03-18 19:37 ` Cort Dougan
2002-03-16 11:54 ` yodaiken
2002-03-16 17:37 ` [Lse-tech] " Martin J. Bligh
2002-03-16 18:57 ` Daniel Egger
2002-03-17 8:18 ` Mike Galbraith
2002-03-17 15:29 ` Martin J. Bligh
2002-03-17 1:45 ` Keith Owens
2002-03-17 13:54 ` David Woodhouse
2002-03-19 16:49 ` Bill Davidsen
[not found] <20020316113536.A19495@hq.fsmlabs.com.suse.lists.linux.kernel>
[not found] ` <Pine.LNX.4.33.0203161037160.31913-100000@penguin.transmeta.com.suse.lists.linux.kernel>
[not found] ` <20020316115726.B19495@hq.fsmlabs.com.suse.lists.linux.kernel>
2002-03-16 19:32 ` [Lse-tech] Re: 10.31 " Andi Kleen
2002-03-16 19:57 ` yodaiken
2002-03-16 20:05 ` Andi Kleen
2002-03-16 20:12 ` yodaiken
2002-03-16 20:27 ` Richard Gooch
2002-03-16 20:47 ` yodaiken
2002-03-16 21:05 ` Richard Gooch
2002-03-16 23:34 ` yodaiken
2002-03-17 13:48 ` Rik van Riel
2002-03-16 20:34 ` Linus Torvalds
2002-03-16 21:39 ` yodaiken
2002-03-16 21:49 ` Linus Torvalds
2002-03-17 14:38 ` Kai Henningsen
2002-03-17 18:20 ` Alan Cox
2002-03-16 22:00 ` Alan Cox
2002-03-16 21:49 ` Linus Torvalds
2002-03-16 23:10 ` yodaiken
2002-03-17 1:17 ` rddunlap
2002-03-17 3:34 ` Alan Cox
2002-03-17 14:52 ` Kai Henningsen
2002-03-17 21:00 ` yodaiken
2002-03-19 12:06 ` Pavel Machek
2002-03-19 21:12 ` yodaiken
2002-03-19 22:09 ` Chris Friesen
2002-03-19 22:15 ` yodaiken
2002-03-20 4:25 ` Bill Davidsen
2002-03-17 2:50 ` Chris Wedgwood
2002-03-17 3:43 ` Alan Cox
2002-03-17 4:12 ` Chris Wedgwood
2002-03-17 4:31 ` Alan Cox
2002-03-16 20:14 ` Linus Torvalds
2002-03-16 20:22 ` Andi Kleen
2002-03-19 4:34 ` Rusty Russell
2002-03-16 20:36 ` Richard Gooch
2002-03-16 20:38 ` Linus Torvalds
2002-03-16 20:51 ` Richard Gooch
2002-03-17 13:23 ` Rik van Riel
2002-03-17 18:16 ` Linus Torvalds
2002-03-17 23:01 ` Davide Libenzi
2002-03-18 0:53 ` Rik van Riel
2002-03-18 1:13 ` Davide Libenzi
2002-03-18 1:31 ` Linus Torvalds
2002-03-18 1:56 ` Davide Libenzi
2002-03-18 1:40 ` Mike Fedyk
2002-03-18 1:48 ` Davide Libenzi
2002-03-24 21:12 ` Rogier Wolff
2002-03-24 21:35 ` Andrew Morton
2002-03-24 22:54 ` Nick Craig-Wood
2002-03-24 23:41 ` Andi Kleen
2002-03-25 6:40 ` Martin J. Bligh
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