LINUX KERNEL INTERNALS

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Thursday, June 19, 2014

What is a module?

It is a piece of code which can be inserted and removed at runtime and is used to control a device.

Posted by pk007 at 11:48 AM

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Study Topics

Process Management
Kernel Space and User Space
Linux Addressing
Stack and Heap
System Calls
Paging and Segmentation
Memory Layout of C Program
Memory Layout of Kernel and UserSpace in Linux
Memory Management
Interrupts
Bottom Halves
Concurrency and Race Conditions
Timers and Time Management
Android Boot Sequence
Browse Linux Source Code
Download Latest Linux Kernel
Good Linux Kernel Questions.
Shell Programming
ARM Architecture
Basics of Linux Device Drivers
Passing Parameter To Linux Device Drivers
Character Device Drivers
poll()
mmap() and munmap()
V4L2
Virtual File System
I2C Protocol
SPI Protocol
GDB

Linux Kernel Questions and Answers

Linux Kernel In short
What is a Linux Device Driver Model ?
How to Pass Command Line Arguments to a Kernel Module?
What are the Possible Task States ?
What is a Loadable Kernel Module?
Monolithic and Micro Kernel
Why do we need two bootloaders viz. primary and secondary?
Given a pid, how will you distinguish if it is a process or a thread ?
What is the difference between kill-6 and kill -9?
What is memory leak?
What is a linux kernel ? isit a process or thread?
How function pointers are shared across different processes? using which IPCs?
What are the Synchronization techniques used in Linux Kernel?
On x86-32 Linux, at which address the code segment of the program and stack starts?
Why Kernel Code running in interrupt context cannot sleep?
How does User Space memory Layout look like?
How will the User Space mapping look like when our RAM is less than 896 MB?
How will the Kernel Space mapping look like when our RAM is less than 896 MB?
Explain the module loading in Linux.
How does Linux Manage memory?
When should one use Polling and when should one use Interrupts?
What is the difference between IRQ and FIQ in case of ARM?
Where are macros stored in the memory?
What is a kernel Panic?
What is OOPS in Linux Kernel?
How to avoid memory leak in Linux?
What is a buss error? What are the common causes of bus error?
What is a device tree in Linux?
How function pointers are shared across different processes? using which IPCs?
What is the difference between a Mutex and a Semaphore?
What are the important applications of touch command in linux?
How a system call is executed in X86 architecture?
How is a system call executed in ARM architecture?
Compare I2C and SPI protocols
What is a callback function?
Explain the usage of ctags.

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