The Linux Kernel
6.3.0-rc3
A guide to the Kernel Development Process
Submitting patches: the essential guide to getting your code into the kernel
Code of conduct
Kernel Maintainer Handbook
All development-process docs
Core API Documentation
Driver implementer’s API guide
Kernel subsystem documentation
Locking in the kernel
Linux kernel licensing rules
How to write kernel documentation
Development tools for the kernel
Kernel Testing Guide
Kernel Hacking Guides
Linux Tracing Technologies
fault-injection
Kernel Livepatching
Rust
The Linux kernel user’s and administrator’s guide
The kernel build system
Reporting issues
User-space tools
The Linux kernel user-space API guide
The Linux kernel firmware guide
Open Firmware and Devicetree
CPU Architectures
ARC architecture
ARM Architecture
ARM64 Architecture
IA-64 Architecture
LoongArch Architecture
m68k Architecture
MIPS-specific Documentation
Nios II Specific Documentation
OpenRISC Architecture
PA-RISC Architecture
powerpc
RISC-V architecture
s390 Architecture
SuperH Interfaces Guide
Sparc Architecture
x86-specific Documentation
1. The Linux/x86 Boot Protocol
2. DeviceTree Booting
3. x86 Feature Flags
4. x86 Topology
5. Kernel level exception handling
6. Kernel Stacks
7. Kernel Entries
8. Early Printk
9. ORC unwinder
10. Zero Page
11. The TLB
12. MTRR (Memory Type Range Register) control
13. PAT (Page Attribute Table)
14. Hardware-Feedback Interface for scheduling on Intel Hardware
15. x86 IOMMU Support
16. Intel(R) TXT Overview
17. AMD Memory Encryption
18. AMD HSMP interface
19. Intel Trust Domain Extensions (TDX)
20. Page Table Isolation (PTI)
21. Microarchitectural Data Sampling (MDS) mitigation
22. The Linux Microcode Loader
23. User Interface for Resource Control feature
24. TSX Async Abort (TAA) mitigation
25. Bus lock detection and handling
26. USB Legacy support
27. i386 Support
27.1. IO-APIC
28. x86_64 Support
29. In-Field Scan
30. Shared Virtual Addressing (SVA) with ENQCMD
31. Software Guard eXtensions (SGX)
32. Feature status on x86 architecture
33. x86-specific ELF Auxiliary Vectors
34. Using XSTATE features in user space applications
Xtensa Architecture
Unsorted Documentation
Translations
The Linux Kernel
CPU Architectures
x86-specific Documentation
27. i386 Support
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27. i386 Support
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27.1. IO-APIC