[Gllug] How to check if module is in kernel ?

[Richard Jones]

On Mon, Nov 15, 2010 at 12:12:01PM +0000, Dylan wrote:
> On Monday 15 Nov 2010, Richard Jones wrote:
> > Looking for some evidence of the module by what devices, proc entries
> > or sys entries it exports is the right thing to do.  A variation on
> > this is to open and use the API blindly, and catch the errors when
> > specific API calls fail because the module is not present.
> 
> I'm not a developer at all, but it seems strange that there is no recognised 
> method for obtaining this information from the kernel - surely it must 
> maintain a list of loaded and compiled in modules? How does lsmod get the 
> information?

I'm pretty sure this list is *not* maintained actually.

Of course you could enumerate a list of things registered via all the
different kernel subsystems that support registration.  Good luck ...

Rich.

-- 
Richard Jones
Red Hat
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