how to find out which module was built by which .config variables?

how to find out which module was built by which .config variables?

[Alexander Mieland]

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Hello,

I need to create a database with configuration options (the ones 
in .config) and the resulting kernel modules.

Is there any simple possibility (with bash and its applications) to find 
out, which kernel modules will be built by which .config options? I know 
that there are also many dependencies between the options and the modules 
and I want to add them to the database too. The dependencies can be found 
out with the Kconfig files, I think.

I've already looked into the source files of some modules, but I can not 
find any commonalities which would make it easy to find the module-name 
which will be build.

I've found some stuff like this:
#define DRIVER_NAME	"8139too"
or things linke:
#define <something>_MODULES_NAME	"some string which seems to be the 
descriptive name"

But this doesn't really help... :(

Sincerely

Alexander Mieland

-- 
Alexander 'dma147' Mieland                   2.6.15-ck3-r1-fb-my4 SMP
FnuPG-ID: 27491179                      Registered Linux-User #249600
http://blog.linux-stats.org                http://www.linux-stats.org
http://www.mieland-programming.de          http://www.php-programs.de

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Re: how to find out which module was built by which .config variables?

[Jan Engelhardt]

>Hello,
>
>I need to create a database with configuration options (the ones 
>in .config) and the resulting kernel modules.
>
Let's pick 8139too.ko for example.
Find /usr/src/linux -name 8139too.ko
In that same directory, look at the Makefile:
obj-$(CONFIG_8139TOO) += 8139too.o

>Is there any simple possibility (with bash and its applications) to find 
>out, which kernel modules will be built by which .config options? I know 
>that there are also many dependencies between the options and the modules 
>and I want to add them to the database too. The dependencies can be found 
>out with the Kconfig files, I think.
>
>I've already looked into the source files of some modules, but I can not 
>find any commonalities which would make it easy to find the module-name 
>which will be build.
>
>I've found some stuff like this:
>#define DRIVER_NAME	"8139too"
>or things linke:
>#define <something>_MODULES_NAME	"some string which seems to be the 
>descriptive name"
>
>But this doesn't really help... :(
>
>Sincerely
>
>Alexander Mieland
>
>-- 
>Alexander 'dma147' Mieland                   2.6.15-ck3-r1-fb-my4 SMP
>FnuPG-ID: 27491179                      Registered Linux-User #249600
>http://blog.linux-stats.org                http://www.linux-stats.org
>http://www.mieland-programming.de          http://www.php-programs.de
>

Jan Engelhardt
-- 
| Software Engineer and Linux/Unix Network Administrator

Re: how to find out which module was built by which .config variables?

[Alexander Mieland]

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Am Friday 03 March 2006 14:35 schrieben Sie:
> >Hello,
> >
> >I need to create a database with configuration options (the ones
> >in .config) and the resulting kernel modules.
>
> Let's pick 8139too.ko for example.
> Find /usr/src/linux -name 8139too.ko
> In that same directory, look at the Makefile:
> obj-$(CONFIG_8139TOO) += 8139too.o

Ahh, great, this helps much more!
Thanks. ;)


> >Is there any simple possibility (with bash and its applications) to
> > find out, which kernel modules will be built by which .config options?
> > I know that there are also many dependencies between the options and
> > the modules and I want to add them to the database too. The
> > dependencies can be found out with the Kconfig files, I think.
> >
> >I've already looked into the source files of some modules, but I can
> > not find any commonalities which would make it easy to find the
> > module-name which will be build.
> >
> >I've found some stuff like this:
> >#define DRIVER_NAME	"8139too"
> >or things linke:
> >#define <something>_MODULES_NAME	"some string which seems to be the
> >descriptive name"
> >
> >But this doesn't really help... :(

-- 
Alexander 'dma147' Mieland                   2.6.15-ck3-r1-fb-my4 SMP
FnuPG-ID: 27491179                      Registered Linux-User #249600
http://blog.linux-stats.org                http://www.linux-stats.org
http://www.mieland-programming.de          http://www.php-programs.de

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Re: how to find out which module was built by which .config variables?

[Steven Rostedt]

On Fri, 3 Mar 2006, Alexander Mieland wrote:

> Am Friday 03 March 2006 14:35 schrieben Sie:
> > >Hello,
> > >
> > >I need to create a database with configuration options (the ones
> > >in .config) and the resulting kernel modules.
> >
> > Let's pick 8139too.ko for example.
> > Find /usr/src/linux -name 8139too.ko
> > In that same directory, look at the Makefile:
> > obj-$(CONFIG_8139TOO) += 8139too.o
>
> Ahh, great, this helps much more!
> Thanks. ;)
>

I have a perl script that reads the current modules, Kconfigs and
makefiles that I use to trim the .config to a minimum.  I does do what you
ask.  Basically find the options that match the modules.

It's here:

http://www.kihontech.com/code/streamline_config.pl

-- Steve