From: Sam Ravnborg <sam@ravnborg.org>
To: Denys Vlasenko <vda.linux@googlemail.com>
Cc: kai@germaschewski.name, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 3/3] build system: section garbage collection for vmlinux
Date: Fri, 7 Sep 2007 00:33:58 +0200 [thread overview]
Message-ID: <20070906223358.GA10101@uranus.ravnborg.org> (raw)
In-Reply-To: <200709061155.52661.vda.linux@googlemail.com>
On Thu, Sep 06, 2007 at 11:55:52AM +0100, Denys Vlasenko wrote:
>
> > Doing a normal kernel build will link vmlinux three or four times.
> > If we introduce --gc-sections we should add a preparational link of
> > vmlinux where we use --gc-sections and skip it for the rest of the links
> > assuming that --gc-sections takes some time for ld to do.
>
> Yes, this will speed up things a bit.
>
> However, for me build time is totally dominated by CC stages, not LD.
A typical developer workflow is editing a single file
and then build the kernel.
Here CC has much less impact than LD - and this is the case we shall optimize for.
Sam
next prev parent reply other threads:[~2007-09-06 22:34 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-09-05 13:43 [PATCH 0/3] build system: section garbage collection for vmlinux Denys Vlasenko
2007-09-05 13:47 ` [PATCH 1/3] " Denys Vlasenko
2007-09-05 13:49 ` [PATCH 2/3] " Denys Vlasenko
2007-09-05 13:55 ` [PATCH 3/3] " Denys Vlasenko
2007-09-05 18:40 ` Denys Vlasenko
2007-09-05 20:46 ` Sam Ravnborg
2007-09-06 10:55 ` Denys Vlasenko
2007-09-06 22:33 ` Sam Ravnborg [this message]
2007-09-10 12:01 ` Sam Ravnborg
2007-09-10 19:02 ` Denys Vlasenko
2007-09-10 19:14 ` Sam Ravnborg
2007-09-11 11:23 ` Denys Vlasenko
2007-09-11 11:55 ` Sam Ravnborg
2007-09-05 20:07 ` [PATCH 1/3] " Sam Ravnborg
2007-09-06 10:59 ` Denys Vlasenko
2007-09-06 22:36 ` Sam Ravnborg
2007-09-08 15:02 ` Denys Vlasenko
2007-09-05 15:53 ` [PATCH 0/3] " Oleg Verych
2007-09-05 18:46 ` Denys Vlasenko
2007-09-05 20:34 ` Oleg Verych
2007-09-05 21:52 ` Adrian Bunk
2007-09-06 10:55 ` Denys Vlasenko
2007-09-06 11:40 ` Oleg Verych
2007-09-06 12:21 ` Adrian Bunk
2007-09-06 20:43 ` Oleg Verych
2007-09-06 20:39 ` Adrian Bunk
2007-09-06 21:16 ` Oleg Verych
2007-09-06 21:19 ` Adrian Bunk
2007-09-06 22:01 ` Oleg Verych
2007-09-06 22:43 ` Adrian Bunk
2007-09-06 12:33 ` Denys Vlasenko
2007-09-05 16:29 ` Daniel Walker
2007-09-05 18:37 ` Denys Vlasenko
2007-09-05 18:38 ` Daniel Walker
2007-09-05 19:14 ` Denys Vlasenko
2007-09-05 19:07 ` Daniel Walker
2007-09-05 19:49 ` Denys Vlasenko
2007-09-05 19:46 ` Daniel Walker
2007-09-06 10:57 ` Denys Vlasenko
2007-09-06 15:13 ` Daniel Walker
2007-09-06 17:07 ` Denys Vlasenko
2007-09-07 16:31 ` Daniel Walker
2007-09-07 17:24 ` Sam Ravnborg
2007-09-07 17:19 ` Daniel Walker
2007-09-07 17:30 ` Denys Vlasenko
2007-09-07 17:38 ` Daniel Walker
2007-09-05 19:31 ` Adrian Bunk
2007-09-05 19:24 ` Daniel Walker
2007-09-05 19:46 ` Adrian Bunk
2007-09-05 19:27 ` Adrian Bunk
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