linux-kernel-modules

Create and debug loadable Linux kernel modules using the Kbuild system.

159|20|Updated Feb 20, 2026
One-click install
npx skills add https://github.com/mohitmishra786/low-level-dev-skills --skill linux-kernel-modules
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: linux-kernel-modules
Source: https://github.com/mohitmishra786/low-level-dev-skills/tree/main/skills/low-level-programming/linux-kernel-modules
Command: npx skills add https://github.com/mohitmishra786/low-level-dev-skills --skill linux-kernel-modules

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill provides comprehensive guidance for developing, building, and debugging loadable Linux kernel modules (LKMs), enabling deeper system-level programming.

Core Features & Use Cases

  • LKM Development: Covers writing basic LKMs, handling module parameters, and creating interfaces in /proc and sysfs.
  • Driver Implementation: Guides through implementing character device drivers.
  • Debugging & Signing: Includes essential techniques for debugging with KGDB and ftrace, and signing modules for Secure Boot.
  • Use Case: You need to write a custom device driver for a new piece of hardware on a Linux system. This Skill will walk you through the entire process, from the initial code structure to debugging and deployment.

Quick Start

Use the linux-kernel-modules skill to create a minimal loadable kernel module with a Makefile and instructions on how to build and load it.

Frequently Asked Questions about linux-kernel-modules

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I develop a loadable Linux kernel module using Kbuild?

To develop a loadable Linux kernel module using Kbuild, you write the module C code and a corresponding Makefile, which the Kbuild system then compiles into a loadable kernel object for system insertion.

How do I debug Linux kernel modules with KGDB and ftrace?

Debugging Linux kernel modules with KGDB and ftrace involves attaching a debugger to the kernel execution environment and utilizing ftrace to trace function calls, enabling deep inspection of module behavior and system crashes.

How do I create character device drivers and sysfs interfaces in Linux?

Creating character device drivers and sysfs interfaces in Linux requires implementing the file operations structure for the device and registering sysfs entries to expose module parameters and device data to user-space applications.

Do I need to sign Linux kernel modules for Secure Boot?

Yes, you need to sign Linux kernel modules for Secure Boot to ensure the system verifies their integrity before loading, preventing unauthorized kernel-level code from running on locked-down platforms.

What is the best way to pass parameters to a Linux kernel module?

The best way to pass parameters to a Linux kernel module is by declaring module parameters in the source code, which can then be assigned values during module insertion to dynamically configure the driver.

Can I use /proc interfaces for Linux device driver development?

Yes, you can use /proc interfaces for Linux device driver development to expose kernel data structures and module statistics, providing a straightforward communication channel between kernel-space and user-space.