linux-kernel - Re: [PATCH] kbuild: generate modules.builtin

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Message-Id: <1243460329.7913.1.camel@wing-commander>
Date:	Wed, 27 May 2009 23:38:49 +0200
From:	Scott James Remnant <scott@...ntu.com>
To:	Kay Sievers <kay.sievers@...y.org>
Cc:	Michal Marek <mmarek@...e.cz>, Sam Ravnborg <sam@...nborg.org>,
	linux-kbuild@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] kbuild: generate modules.builtin

On Wed, 2009-05-27 at 23:26 +0200, Kay Sievers wrote:

> On Tue, May 26, 2009 at 17:25, Michal Marek <mmarek@...e.cz> wrote:
> > To make it easier for tools like mkinitrd to detect whether a needed
> > module is missing or whether it is compiled into the kernel, install a
> > modules.builtin file listing all modules built into the kernel. This is
> > done by generating an alternate config file with all tristate =y options
> > set to =Y and reading the makefiles with this config included. The built
> > in modules then appear in obj-Y.
> 
> That looks very useful.
> 
> We like to have that for modprobe not to throw an error if a "module"
> is already in the kernel, because it is compiled in. Only modules with
> parameters show up in /sys/modules/ and they are already handled fine.
> 
Agree, this helps us support both distro kernels with some built-ins and
modular kernels.

Scott
-- 
Scott James Remnant
scott@...ntu.com

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