Re: [coLinux-devel] Modules?

[Leo A. <le...@ya...>]

For method 2 you might not need a char device.  With
tar you can tar to and from a block device directly.  
I used to this all the time with floppies (that way
you don't have to have the proper module for the
filesystem of the floppy).  I don't have the time to
try it right now, but you might just have to point a
"/dev/cobd" to the "vmlinux-modules.tar.gz" file in
the default.colinux.xml file and just use tar in
linux.  Something like this:

# tar -xzvf /dev/cobd#


--- Jaroslaw Kowalski <ja...@zd...> wrote:
> Hi guys!
> 
> Recently a patch has been introduced that makes
> additional kernel features
> available as modules.
> 
> This is good because we have new functionality
> available in coLinux, some
> very useful (a firewall), but at the same time it
> introduced a dependency
> between the root images and the running kernel.
> 
> You're no longer able to use just any root image -
> you have to use the one
> that has the appropriate modules. I was wondering
> what can be done to
> improve this.
> 
> Here are some ideas:
> 
> 1. Compile everything statically.
> 
> 2. Provide a way to automatically install
> "vmlinux-modules.tar.gz" under
> "/lib/modules/kernel-version". This would require
> some smart script on the
> linux side, but I think it's doable. The only
> problem I see is passing the
> vmlinux-modules.tar.gz down to the linux guest. I
> think we'd need something
> like /dev/cocd (character device as opposed to
> /dev/cobd).
> 
> 3. Provide a mini-partition that would contain the
> modules instead of the
> tar.gz. This can could be mounted in fstab under
> "/lib/modules".
> 
> Out of the above ideas, I find "1" to be the easiest
> to implement and most
> trouble-free. What do you think? Is there anything
> that MUST be installed as
> a module and cannot be compiled-in?
> 
> What do you think?
> 
> Jarek
> 
> 
> 
>
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-- 
Leo Amendola