Linux Inside

A series of posts about the linux kernel and its insides. — Alex

linux-insides

A series of posts about the linux kernel and its insides.

The goal is simple - to share my modest knowledge about the insides of the linux kernel and help people who are interested in linux kernel insides, and other low-level subject matter.

Questions/Suggestions: Feel free about any questions or suggestions by pinging me at twitter @0xAX, adding an issue or just drop me an email.

Support

Support If you like linux-insides you can support me with:

On other languages

LICENSE

Licensed BY-NC-SA Creative Commons.

Contributions

Feel free to create issues or pull-requests if you have any problems.

Please read CONTRIBUTING.md before pushing any changes.

Author

@0xAX

Updated 9 days ago

0 Introduction
1 Booting
1.1 From bootloader to kernel
1.2 First steps in the kernel setup code
1.3 Video mode initialization and transition to protected mode
1.4 Transition to 64-bit mode
1.5 Kernel decompression
2 Initialization
2.1 First steps in the kernel
2.2 Early interrupts handler
2.3 Last preparations before the kernel entry point
2.4 Kernel entry point
2.5 Continue architecture-specific boot-time initializations
2.6 Architecture-specific initializations, again...
2.7 End of the architecture-specific initializations, almost...
2.8 Scheduler initialization
2.9 RCU initialization
2.10 End of initialization
3 Interrupts
3.1 Introduction
3.2 Start to dive into interrupts
3.3 Interrupt handlers
3.4 Initialization of non-early interrupt gates
3.5 Implementation of some exception handlers
3.6 Handling Non-Maskable interrupts
3.7 Dive into external hardware interrupts
3.8 Initialization of external hardware interrupts structures
3.9 Softirq, Tasklets and Workqueues
3.10 Last part
4 System calls
4.1 Introduction to system calls
4.2 How the Linux kernel handles a system call
4.3 vsyscall and vDSO
4.4 How the Linux kernel runs a program
5 Timers and time management
5.1 Introduction
5.2 Clocksource framework
5.3 The tick broadcast framework and dyntick
5.4 Introduction to timers
6 Memory management
6.1 Memblock
6.2 Fixmaps and ioremap
8 Concepts
8.1 Per-CPU variables
8.2 Cpumasks
9 Data Structures in the Linux Kernel
9.1 Doubly linked list
9.2 Radix tree
10 Theory
10.1 Paging
10.2 Elf64
12 Misc
12.1 How the kernel is compiled
12.2 Linkers
12.3 Linux kernel development
13 Useful links
14 Contributors

Authors

Alex

Joined on Jun 24, 2014

a year ago Published
9 days ago Updated
English Language
57 Chapters
No License License

GitBook