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Table of Contents
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Index
Linux Kernel Development Second Edition
By
Robert Love
Publisher
: Sams Publishing
Pub Date
: January 12, 2005
ISBN
: 0-672-32720-1
Pages
: 432
Copyright
Foreword
Preface
So Here We Are
Kernel Version
Audience
Book Website
Second Edition Acknowledgments
About the Author
We Want to Hear from You!
Reader Services
Chapter 1. Introduction to the Linux Kernel
Along Came Linus: Introduction to Linux
Overview of Operating Systems and Kernels
Linux Versus Classic Unix Kernels
Linux Kernel Versions
The Linux Kernel Development Community
Before We Begin
Chapter 2. Getting Started with the Kernel
Obtaining the Kernel Source
The Kernel Source Tree
Building the Kernel
A Beast of a Different Nature
So Here We Are
Chapter 3. Process Management
Process Descriptor and the Task Structure
Process Creation
The Linux Implementation of Threads
Process Termination
Process Wrap Up
Chapter 4. Process Scheduling
Policy
The Linux Scheduling Algorithm
Preemption and Context Switching
Real-Time
Scheduler-Related System Calls
Scheduler Finale
Chapter 5. System Calls
APIs, POSIX, and the C Library
Syscalls
System Call Handler
System Call Implementation
System Call Context
System Calls in Conclusion
Chapter 6. Interrupts and Interrupt Handlers
Interrupts
Interrupt Handlers
Registering an Interrupt Handler
Writing an Interrupt Handler
Interrupt Context
Implementation of Interrupt Handling
Interrupt Control
Don't Interrupt Me; We're Almost Done!
Chapter 7. Bottom Halves and Deferring Work
Bottom Halves
Softirqs
Tasklets
Work Queues
Which Bottom Half Should I Use?
Locking Between the Bottom Halves
The Bottom of Bottom-Half Processing
Endnotes
Chapter 8. Kernel Synchronization Introduction
Critical Regions and Race Conditions
Locking
Deadlocks
Contention and Scalability
Locking and Your Code
Chapter 9. Kernel Synchronization Methods
Atomic Operations
Spin Locks
Reader-Writer Spin Locks
Semaphores
Reader-Writer Semaphores
Spin Locks Versus Semaphores
Completion Variables
BKL: The Big Kernel Lock
Preemption Disabling
Ordering and Barriers
Synchronization Summarization
Chapter 10. Timers and Time Management
Kernel Notion of Time
The Tick Rate: HZ
Jiffies
Hardware Clocks and Timers
The Timer Interrupt Handler
The Time of Day
Timers
Delaying Execution
Out of Time
Chapter 11. Memory Management
Pages
Zones
Getting Pages
kmalloc()
vmalloc()
Slab Layer
Slab Allocator Interface
Statically Allocating on the Stack
High Memory Mappings
Per-CPU Allocations
The New percpu Interface
Reasons for Using Per-CPU Data
Which Allocation Method Should I Use?
Chapter 12. The Virtual Filesystem
Common Filesystem Interface
Filesystem Abstraction Layer
Unix Filesystems
VFS Objects and Their Data Structures
The Superblock Object
The Inode Object
The Dentry Object
The File Object
Data Structures Associated with Filesystems
Data Structures Associated with a Process
Filesystems in Linux
Chapter 13. The Block I/O Layer
Anatomy of a Block Device
Buffers and Buffer Heads
The bio structure
Request Queues
I/O Schedulers
Summary
Chapter 14. The Process Address Space
The Memory Descriptor
Memory Areas
Manipulating Memory Areas
mmap() and do_mmap(): Creating an Address Interval
munmap() and do_munmap(): Removing an Address Interval
Page Tables
Conclusion
Chapter 15. The Page Cache and Page Writeback
Page Cache
Radix Tree
The Buffer Cache
The pdflush Daemon
To Make a Long Story Short
Chapter 16. Modules
Hello, World!
Building Modules
Installing Modules
Generating Module Dependencies
Loading Modules
Managing Configuration Options
Module Parameters
Exported Symbols
Wrapping Up Modules
Chapter 17. kobjects and sysfs
kobjects
ktypes
ksets
Subsystems
Structure Confusion
Managing and Manipulating kobjects
Reference Counts
sysfs
The Kernel Events Layer
kobjects and sysfs in a Nutshell
Chapter 18. Debugging
What You Need to Start
Bugs in the Kernel
printk()
Oops
Kernel Debugging Options
Asserting Bugs and Dumping Information
Magic SysRq Key
The Saga of a Kernel Debugger
Poking and Probing the System
Binary Searching to Find the Culprit Change
When All Else Fails: The Community
Chapter 19. Portability
History of Portability in Linux
Word Size and Data Types
Data Alignment
Byte Order
Time
Page Size
Processor Ordering
SMP, Kernel Preemption, and High Memory
Endnotes
Chapter 20. Patches, Hacking, and the Community
The Community
Linux Coding Style
Chain of Command
Submitting Bug Reports
Generating Patches
Submitting Patches
Conclusion
Appendix A. Linked Lists
Circular Linked Lists
The Linux Kernel's Implementation
Manipulating Linked Lists
Traversing Linked Lists
Appendix B. Kernel Random Number Generator
Design and Implementation
Interfaces to Input Entropy
Interfaces to Output Entropy
Appendix C. Algorithmic Complexity
Algorithms
Big-O Notation
Big Theta Notation
Putting It All Together
Perils of Time Complexity
Bibliography and Reading List
Books on Operating System Design
Books on Unix Kernels
Books on Linux Kernels
Books on Other Kernels
Books on the Unix API
Books on the C Programming Language
Other Works
Websites
Index
