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Is there a neat way of stripping the Linux kernel to only support the devices that are currently in use. After NVIDIA complaining about GCC version mismatch, I decided to recompile the kernel with the current version of GCC. Now, since it is known which modules the current kernel actually uses, can I automatically generate a .config file which is customized for this machine. That would booth save some space and time. Something like

lsmod [options] | sed [a good regexp] > .config
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1 Answer 1

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That's what make localmodconfig is for.

Excerpt from /usr/src/linux/README:

"make localmodconfig" Create a config based on current config and
                      loaded modules (lsmod). Disables any module
                      option that is not needed for the loaded modules.
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