A good man on NetworkManager mailinglist provided a patch that hopefully would solve an issue I'm experiencing related to slow mobile broadband detection on Ubuntu 11.04 64-bit. I'd really like to check the patch but I can't figure out how to do this.
As a starting point I have uncompressed
/usr/src/linux-source-2.6.38/linux-source-2.6.38.tar.bz2 and applied the patch to
/usr/src/linux-source-2.6.38/drivers/usb/serial/options.c, but now I'm stuck.
How do I recompile the module? Possibly just the module, not the whole kernel and the other unmodified modules. Links to good docs are appreciated as well.
I already reconfigured and recompiled a kernel in the past (though the procedure looked a bit obscure to me...) so all the involved software should be in place.
Thanks for any clarification.