Welcome mo (was Re: [Wolves] tv card)

Old Dan dan at dannyboy.dnsalias.org
Mon Dec 15 11:50:19 GMT 2003


Aquarius wrote:
> David Goodwin spoo'd forth:
> 
>>But kernels can be compiled with an option allowing any module to be
>>inserted (I thought!?)
>>
>>i.e.
>>CONFIG_MODVERSIONS:  
>>Usually, modules have to be recompiled whenever you switch to a new 
>>kernel.  Saying Y here makes it possible, and safe, to use the same
>>modules even after compiling a new kernel; this requires the program
>>modprobe. All the software needed for module support is in the modutils
>>package (check the file Documentation/Changes for location and latest
>>version). 
>>
>>NOTE: if you say Y here but don't have the program genksyms (which is
>>also contained in the above mentioned modutils package), then the
>>building of your kernel will fail.  
>>
>>If you are going to use modules that are generated from non-kernel
>>sources, you would benefit from this option.  Otherwise it's not that
>>important.  So, N ought to be a safe bet. 
>>
>>
>>Or am I barking up the wrong tree?
> 
> 
> Dammit, is this real?
> 
> Why isn't it turned on all the time for everything ever? What would be
> the possible use in *not* having this turned on?
> 
> Argh!
> 
> Anyone tried this?
It's real all right.  It's the reason the NVidia binary-only drivers 
work, for one thing.

...and the reason it isn't used more is because...
http://lwn.net/2002/0509/a/md-modversions.php3

...someone who can't spell doesn't like it.  :)

-- 
Dan




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