0xAX/linux-insides

Features

• Operating System Kernels - Provides a detailed study of how the Linux kernel manages hardware resources, interrupts, and system calls.
• Source Code Analysis - Provides manual educational analysis of kernel C source code and assembly to explain internal OS behavior.
• Kernel Data Structures - Details the implementation of doubly linked lists, radix trees, and bit arrays for organizing kernel data.
• Linux Learning Resources - Serves as a technical resource for learning the internal architecture, memory management, and system call mechanisms of the Linux kernel.
• System Internals Guides - Offers educational content on low-level system behavior from the boot process to multiprocessing.
• Hardware Exception Handlers - Details the implementation of exception handlers used to manage hardware interrupts and external signals.
• Data Structures - Details core organization patterns including doubly linked lists, radix trees, and bit arrays for efficient kernel storage.
• Kernel Architecture References - Provides a detailed study of how the Linux kernel handles booting, hardware interrupts, and symmetric multiprocessing.
• Boot Sequence Tracing - Describes the Linux Kernel process flow from bootloader execution and decompression through mode transitions to the final entry point.
• Interrupt Handling - Describes the mechanisms for managing hardware signals and translating them into system events.
• Memory Management - Explains the organization of paging and memory blocks to ensure efficient system resource allocation.
• Kernel Synchronization Primitives - Manages concurrent process access and resource sharing using Linux kernel mechanisms like spinlocks and RCU.
• System Calls - Analyzes the execution of system requests and the use of vsyscall and vDSO for optimized kernel transitions.
• Kernel Implementation Guides - Guides the implementation of core data structures and synchronization primitives used within the Linux kernel source code.
• Paged Memory Management - Explains the organization of system memory using page tables and paging structures.
• Symmetric Multiprocessing Mechanisms - Covers the management of workloads across multiple cores using per-CPU variables and CPU masks.
• Symmetric Multiprocessing Models - Explains how the system manages workloads across multiple cores using per-CPU variables and CPU masks.
• Boot Sequence Tracing - Traces the detailed execution flow from bootloader decompression and mode transitions to the final kernel entry point.
• Kernel Synchronization Primitives - Details the use of spinlocks, mutexes, and Read-Copy-Update mechanisms to synchronize shared kernel resources.
• Kernel Development - Provides guides on the processes for compiling source code, linking binaries, and submitting patches for the kernel.
• System Call Optimizations - Analyzes the use of vsyscall and vDSO to execute system requests without full kernel mode transitions.
• System Time Management - Details the use of clocksource and clockevents for managing system timers and temporal tracking.
• Linux Kernel Development - In-depth guide to Linux kernel internals.
• System Design and Architecture - Deep dive into the internal workings of the Linux kernel.
• Technical Reference Guides - Deep dive into the internal workings of the Linux kernel.

Star history