SUMMARY

Summary

• Booting
  • From bootloader to kernel
  • First steps in the kernel setup code
  • Video mode initialization and transition to protected mode
  • Transition to 64-bit mode
  • Kernel decompression
  • Kernel load address randomization
• Initialization
  • First steps in the kernel
  • Early interrupts handler
  • Last preparations before the kernel entry point
  • Kernel entry point
  • Continue architecture-specific boot-time initializations
  • Architecture-specific initializations, again...
  • End of the architecture-specific initializations, almost...
  • Scheduler initialization
  • RCU initialization
  • End of initialization
• Interrupts
  • Introduction
  • Start to dive into interrupts
  • Interrupt handlers
  • Initialization of non-early interrupt gates
  • Implementation of some exception handlers
  • Handling Non-Maskable interrupts
  • Dive into external hardware interrupts
  • Initialization of external hardware interrupts structures
  • Softirq, Tasklets and Workqueues
  • Last part
• System calls
  • Introduction to system calls
  • How the Linux kernel handles a system call
  • vsyscall and vDSO
  • How the Linux kernel runs a program
  • Implementation of the open system call
  • Limits on resources in Linux
• Timers and time management
  • Introduction
  • Clocksource framework
  • The tick broadcast framework and dyntick
  • Introduction to timers
  • Clockevents framework
  • x86 related clock sources
  • Time related system calls
• Synchronization primitives
  • Introduction to spinlocks
  • Queued spinlocks
  • Semaphores
  • Mutex
  • Reader/Writer semaphores
  • SeqLock
  • RCU
  • Lockdep
• Memory management
  • Memblock
  • Fixmaps and ioremap
  • kmemcheck
• Cgroups
  • Introduction to Control Groups
• SMP
• Concepts
  • Per-CPU variables
  • Cpumasks
  • The initcall mechanism
  • Notification Chains
• Data Structures in the Linux Kernel
  • Doubly linked list
  • Radix tree
  • Bit arrays
• Theory
  • Paging
  • Elf64
  • Inline assembly
  • CPUID
  • MSR
• Initial ram disk
  • initrd
• Misc
  • Linux kernel development
  • How the kernel is compiled
  • Linkers
  • Program startup process in userspace
  • Write and Submit your first Linux kernel Patch
  • Data types in the kernel
• KernelStructures
  • IDT
• Useful links
• Contributors