linux-kernel - Re: distributed module configuration

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Message-ID: <20080213090451.GA8319@uranus.ravnborg.org>
Date:	Wed, 13 Feb 2008 10:04:51 +0100
From:	Sam Ravnborg <sam@...nborg.org>
To:	David Miller <davem@...emloft.net>
Cc:	greg@...ah.com, torvalds@...ux-foundation.org, jeff@...zik.org,
	arjan@...radead.org, sfr@...b.auug.org.au,
	linux-kernel@...r.kernel.org, linux-next@...r.kernel.org,
	linux-arch@...r.kernel.org, akpm@...ux-foundation.org,
	linux-kbuild@...r.kernel.org
Subject: Re: distributed module configuration

On Wed, Feb 13, 2008 at 12:54:33AM -0800, David Miller wrote:
> From: Sam Ravnborg <sam@...nborg.org>
> Date: Wed, 13 Feb 2008 09:45:41 +0100
> 
> > So we could do:
> > 
> > config foo
> > 	tristate "do you want foo?"
> > 	depends on USB && BAR
> > 	module
> > 	  obj-$(CONFIG_FOO) += foo.o
> > 	  foo-y := file1.o file2.o
> > 	help
> > 	  foo will allow you to explode your PC
>  ...
> > Does this fit what you had in mind?
> 
> Yes it does.
> 
> Now I'll ask if you think embedding this information in one of the C
> files for a module would be even nicer?
I have no good idea for the syntax and I and not sure what is gained
by reducing a driver with one file.
Agreed - simple drivers would then be a single file - and thats a good argument.

> 
> Also, we need to make sure we can properly handle top-level
> container-like items.  For example, where would menuconfigs like
> NETDEV_10000 go if we adopt this kind of scheme?

If it makes sense to group stuff inside a menuconfig it would
also make sense to put the same modules in a subdirectory.
And then we would have the menuconfig in the Kconfig
file that would source the others.

So I do not see this as an issue for the 'embedded' syntax described above.

	Sam
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