[oe] [RFC] Revamp module handling in OE

[Paul Sokolovsky]

Hello OpenEmbedded,

Friday, July 20, 2007, 10:51:01 AM, you wrote:

> Hello openembedded-devel,

>   We have few issues with kernel module handling in OE which I'd like
> to bring to attention and discuss ways to resolve.

> 1. Module config option handling was not upgraded since 2.4.

> This is known issue, it surfaced several times already, and we
> discussed ways to solve it with Graeme Gregory on IRC recently. The
> issue is that OE currently writes module config options where 2.4
> modutils expect them (/etc/modutils/*.conf), not where 2.6
> module-init-tools do (/etc/modprobe.d/*.conf). The patch is at
> http://bugs.openembedded.org/show_bug.cgi?id=2669

  I got confirmation from Graeme that it works ok, so I'd like to
commit this tomorrow night.


> 2. Location of module autoload config.

> Module autoload is rather different feature. It actually never was
> part of modutils/module-init-tools, but is done via adhoc scripts per
> some distro's convention. Relatively randomly OE uses the same
> /etc/modutils dir to store that info (just in files w/o extension).
> Per-module data is then collated into /etc/modules file, and *that*
> file is Debian convention. But AFAICT, that file is supposed to
> contain local user's selection of autoload modules, whereas OE
> automatically overwrites it. Of course, this information rather be
> checked by people with more Debian background. Either way, at least
> following issues can be identified:

> 1. Location of per-module autoload data: /etc/modutils/ is rather
> confusing place for this, especially if we switch to 2.6 way.
> 2. /etc/modules is supposedly a user file.

> One of the possible solutions: if a file is named /etc/modules, then
> it's natural to name dir /etc/modules.d/ . If data from it would need
> to be collated, that would go to some /etc/modules.foo, leaving
> /etc/modules intact. FInally, both contents of files and dri would be
> taken into account.


  I hope that people are fully back from GUADEC now and can give this
some thought ;-).


> Thoughts?




-- 
Best regards,
 Paul                            mailto:pmiscml at gmail.com