Kernel Related

This page gives links to various kernel programming related posts in the blog.

Writing an Example Driver From Scratch:

Chapter-1 Header files

Chapter-2 Init and Cleanup functions

Chapter-3 File Operations

chapter -4 Inserting into the Kernel

Chapter -5 User access

Proc entries

Creating a proc entry -1

Creating Proc Read entry

Creating a read/write proc entry

Creating folders under proc

Creating proc read write entry kernel version 4.6

Other topics

 

Cross compiling Linux kernel for ARM

.

Insmod Explained

Creating and ioctl command

Using for_each_process

Overview of compiling kernel modules

list_for_each and list_entry

current process

Wait Queues

Semaphores

Reader Write Semaphores

Changing Process State

Usage or printk_ratelimit

Exporting Symbols from module

Tasklet-1 Introduction

Tasklet-2 tasklet_init

Creating a FIFO in linux kernel