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Linux Kernel Programming - Second Edition

You're reading from Linux Kernel Programming - Second Edition

Product type Book

Published in Feb 2024

Publisher Packt

ISBN-13 9781803232225

Pages 826 pages

Edition 2nd Edition

Languages

Concepts

System Administration

Author (1):

Kaiwan N. Billimoria

Table of Contents (16) Chapters

Preface

1. Linux Kernel Programming – A Quick Introduction

2. Building the 6.x Linux Kernel from Source – Part 1

3. Building the 6.x Linux Kernel from Source – Part 2

4. Writing Your First Kernel Module – Part 1

5. Writing Your First Kernel Module – Part 2

6. Kernel Internals Essentials – Processes and Threads

7. Memory Management Internals – Essentials

8. Kernel Memory Allocation for Module Authors – Part 1

9. Kernel Memory Allocation for Module Authors – Part 2

10. The CPU Scheduler – Part 1

11. The CPU Scheduler – Part 2

12. Kernel Synchronization – Part 1

13. Kernel Synchronization – Part 2

14. Other Books You May Enjoy

15. Index

Summary

This chapter, along with the previous one, covered in a lot of detail the necessary preliminaries and how exactly to configure and build the Linux kernel from source.

In this chapter, we began with the actual kernel (and kernel modules’) build process. Once built, we showed how the kernel modules are to be installed onto the system. We then moved on to the practicalities of generating the initramfs (or initrd) image and went on to explain the motivation behind it.

The final step in the kernel build was the (simple) customization of the bootloader (here, we focused only on x86 GRUB). We then showed how to boot the system via the newly baked kernel and verify that its configuration is as we expected. As a useful add-on, we then showed how we can even cross-compile the Linux kernel for another processor (AArch64, in this instance). Finally, we shared some additional tips to help you with the kernel build.

Again, if you haven’t done so already, we urge...

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Authors (1)

Kaiwan N. Billimoria

Kaiwan N. Billimoria taught himself BASIC programming on his dad's IBM PC back in 1983. He was programming in C and Assembly on DOS until he discovered the joys of Unix, and by around 1997, Linux! Kaiwan has worked on many aspects of the Linux system programming stack, including Bash scripting, system programming in C, kernel internals, device drivers, and embedded Linux work. He has actively worked on several commercial/FOSS projects. His contributions include drivers to the mainline Linux OS and many smaller projects hosted on GitHub. His Linux passion feeds well into his passion for teaching these topics to engineers, which he has done for well over two decades now. He's also the author of Hands-On System Programming with Linux, Linux Kernel Programming (and its Part 2 book) and Linux Kernel Debugging. It doesn't hurt that he is a recreational ultrarunner too.

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