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You're reading from Linux Kernel Programming A comprehensive guide to kernel internals, writing kernel modules, and kernel synchronization

Product type Paperback

Published in Mar 2021

Publisher Packt

ISBN-13 9781789953435

Length 754 pages

Edition 1st Edition

Languages

Tools

Linux

Concepts

System Administration

Author (1):

Kaiwan N. Billimoria

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Table of Contents (19) Chapters

Preface

1. Section 1: The Basics

2. Kernel Workspace Setup FREE CHAPTER

3. Building the 5.x Linux Kernel from Source - Part 1

4. Building the 5.x Linux Kernel from Source - Part 2

5. Writing Your First Kernel Module - LKMs Part 1

6. Writing Your First Kernel Module - LKMs Part 2

7. Section 2: Understanding and Working with the Kernel

8. Kernel Internals Essentials - Processes and Threads

9. Memory Management Internals - Essentials

10. Kernel Memory Allocation for Module Authors - Part 1

11. Kernel Memory Allocation for Module Authors - Part 2

12. The CPU Scheduler - Part 1

13. The CPU Scheduler - Part 2

14. Section 3: Delving Deeper

15. Kernel Synchronization - Part 1

16. Kernel Synchronization - Part 2

17. About Packt

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Getting and applying the RTL patchset

Check the mainline or distribution kernel version that is running on your Raspberry Pi device (substitute the Raspberry Pi with any other device you may be running Linux on); for example, on the Raspberry Pi 3B+ I'm using, it's running the stock Raspbian (or Raspberry Pi OS) GNU/Linux 10 (buster) with the 5.4.51-v7+ kernel.

We'd like to build an RTL kernel for the Raspberry Pi with the closest possible matching kernel to the standard one it's currently running; for our case here, with it running 5.4.51[-v7+], the closest available RTL patches are for kernel versions 5.4.y-rt[nn] (https://mirrors.edge.kernel.org/pub/linux/kernel/projects/rt/5.4/); we shall come back to this shortly...

Let's go step by step:

The steps to download the Raspberry Pi specific kernel source tree onto your host system disk have already been covered in Chapter 3, Building the 5.x Linux Kernel from Source – Part 2, in the Kernel...

The rest of the chapter is locked

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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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