October 2017
Intermediate to advanced
586 pages
14h 8m
English
Content preview from Linux Device Drivers Development
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The concept of modules
A module is to the Linux kernel what a plugin (add-on) is to user software (Firefox is an example). It dynamically extends the kernel functionalities without the need to even restart the computer. Most of the time, kernel modules are plug and play. Once inserted, they are ready to be used. In order to support modules, the kernel must have been built with the following option enabled:
CONFIG_MODULES=y