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Gain a firm practical understanding of the fundamentals of Linux kernel internals, learn to write high-quality kernel module code, and kernel synchronizationKey FeaturesDiscover how to write Linux kernel and module code for real-world productsImplement industry-grade techniques in real-world scenarios for fast, efficient memory allocation and data synchronizationUnderstand and exploit kernel architecture, CPU scheduling, and kernel synchronization techniquesBook DescriptionThe 2nd Edition of Linux Kernel Programming is an updated, comprehensive introduction for new programmers to the Linux kernel. This book uses the recent 5.10 Long-Term Support (LTS) Linux kernel series, which will be maintained until 2026, showing 5.X/6.X new features.In this new edition, you'll start the journey by learning how to build the kernel from source, including doing a kernel build for the popular Raspberry Pi. You'll then learn, step by step, how to write your first kernel module by leveraging the kernel's powerful Loadable Kernel Module (LKM) framework. You'll then get to delve into key kernel internals topics including Linux kernel architecture, memory management, and CPU scheduling. You'll understand the deep issues of concurrency, and gain insight into how they can be addressed with various locking technologies (mutexes, spinlocks, atomic / refcount operators and even lock-free technologies).By the end of this 2nd Edition book, you'll have a better understanding of the fundamentals of writing Linux kernel and kernel module code that can be used in real-world projects and products.What you will learnConfigure and build the 5.10 / 6.x kernels from sourceWrite high-quality modular kernel code (LKM framework) for 5.10 / 6.x kernelsExplore the Linux kernel architectureGet to grips with key internals details regarding memory management within the kernelUnderstand and work with various dynamic kernel memory alloc/dealloc APIsDiscover key internals aspects regarding CPU scheduling within the kernelGain a deeper understanding of kernel concurrency issuesLearn how to work with key kernel synchronization primitivesWho this book is forThis book is for beginner Linux programmers and developers looking to get started with Linux kernel, providing a knowledge base to understand required kernel internal topics and overcome frequent and common development issues.A basic understanding of Linux CLI and C programming is assumed