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Kernel Hacking Guides

• Unreliable Guide To Hacking The Linux Kernel
  • Introduction
  • The Players
  • Some Basic Rules
  • ioctls: Not writing a new system call
  • Recipes for Deadlock
  • Common Routines
  • Wait Queues include/linux/wait.h
  • Atomic Operations
  • Symbols
  • Routines and Conventions
  • Putting Your Stuff in the Kernel
  • Kernel Cantrips
  • Thanks
• Unreliable Guide To Locking
  • Introduction
  • The Problem With Concurrency
  • Locking in the Linux Kernel
  • Hard IRQ Context
  • Cheat Sheet For Locking
  • The trylock Functions
  • Common Examples
  • Common Problems
  • Locking Speed
  • What Functions Are Safe To Call From Interrupts?
  • Mutex API reference
  • Futex API reference
  • Further reading
  • Thanks
  • Glossary
• False Sharing
  • What is False Sharing
  • False Sharing Pitfalls
  • How to detect and analyze False Sharing
  • Possible Mitigations
  • Miscellaneous