From: Rob Landley <rob@landley.net>
To: David Woodhouse <dwmw2@infradead.org>
Cc: linux-kernel@vger.kernel.org, linux-tiny@selenic.com, devel@laptop.org
Subject: Re: [PATCH 0/4] Compile kernel with -fwhole-program --combine
Date: Fri, 25 Aug 2006 16:11:50 -0400 [thread overview]
Message-ID: <200608251611.50616.rob@landley.net> (raw)
In-Reply-To: <1156433068.3012.115.camel@pmac.infradead.org>
On Thursday 24 August 2006 11:24 am, David Woodhouse wrote:
> Using a combination of these two compiler options for building kernel
> code leads to some useful optimisation
BusyBox has been doing this for months now: "build at once" is one of our
config options. I'd like to point out that gcc eats needs several hundred
megabytes of ram to do this and you have no useful progress indicator between
starting and ending. But the result is definitely smaller.
We also tell the linker "--sort-common --gc-sections" which may or may not
apply here...
Rob
--
Never bet against the cheap plastic solution.
next prev parent reply other threads:[~2006-08-25 20:12 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1156429585.3012.58.camel@pmac.infradead.org>
2006-08-24 15:24 ` [PATCH 0/4] Compile kernel with -fwhole-program --combine David Woodhouse
2006-08-24 16:48 ` Jan Engelhardt
2006-08-24 17:05 ` David Woodhouse
2006-08-25 6:01 ` Jan Engelhardt
2006-08-25 7:26 ` Sam Ravnborg
2006-08-25 10:14 ` David Woodhouse
2006-08-25 8:55 ` David Woodhouse
2006-08-25 9:11 ` Jan Engelhardt
2006-08-25 9:45 ` David Woodhouse
2006-08-25 9:51 ` Jan Engelhardt
2006-08-25 10:01 ` David Woodhouse
2006-08-24 17:15 ` [OLPC-devel] " Arnd Bergmann
2006-08-24 17:25 ` David Woodhouse
2006-08-24 21:49 ` Adrian Bunk
2006-08-24 21:54 ` David Woodhouse
2006-08-25 20:11 ` Rob Landley [this message]
2006-08-25 20:35 ` David Woodhouse
2006-08-26 1:59 ` Segher Boessenkool
2006-08-28 10:52 ` Helge Hafting
2006-08-28 11:03 ` Jan Engelhardt
2006-08-28 11:21 ` David Woodhouse
2006-09-01 19:35 ` Ian Stirling
2006-09-01 21:15 ` David Woodhouse
2006-08-24 15:25 ` [PATCH 1/4] Inconsistent extern declarations David Woodhouse
2006-08-24 16:13 ` Alexey Dobriyan
2006-08-24 17:50 ` David Woodhouse
2006-08-24 21:17 ` Adrian Bunk
2006-08-24 15:26 ` [PATCH 2/4] Core support for --combine -fwhole-program David Woodhouse
2006-08-24 17:27 ` Josh Triplett
2006-08-24 17:33 ` David Woodhouse
2006-08-24 21:33 ` Adrian Bunk
2006-08-25 9:37 ` David Woodhouse
2006-08-25 10:30 ` Adrian Bunk
2006-08-25 10:40 ` David Woodhouse
2006-08-24 15:26 ` [PATCH 3/4] Add __global tag where needed David Woodhouse
2006-08-24 21:30 ` Adrian Bunk
2006-08-25 9:52 ` David Woodhouse
2006-08-25 10:26 ` Adrian Bunk
2006-08-25 10:34 ` David Woodhouse
2006-08-25 10:50 ` Adrian Bunk
2006-08-24 15:28 ` [PATCH 4/4] Some extra --combine hacks David Woodhouse
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