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Mastering Linux Kernel Development

You're reading from Mastering Linux Kernel Development

Product type Book

Published in Oct 2017

Publisher Packt

ISBN-13 9781785883057

Pages 354 pages

Edition 1st Edition

Languages

Concepts

Computer Architecture

Author (1):

CH Raghav Maruthi

Table of Contents (19) Chapters

Title Page

Credits

About the Author

About the Reviewer

www.PacktPub.com

Customer Feedback

Preface

1. Comprehending Processes, Address Space, and Threads

2. Deciphering the Process Scheduler

3. Signal Management

4. Memory Management and Allocators

5. Filesystems and File I/O

6. Interprocess Communication

7. Virtual Memory Management

8. Kernel Synchronization and Locking

9. Interrupts and Deferred Work

10. Clock and Time Management

11. Module Management

Index

Interrupt signals and vectors

When an interrupt originates from an external device, it is referred to as a hardware interrupt. These signals are generated by external hardware to seek the attention of the processor on occurrence of a significant external event, for instance a key hit on the keyboard, a click on a mouse button, or moving the mouse trigger hardware interrupts through which the processor is notified about the availability of data to be read. Hardware interrupts occur asynchronously with respect to the processor clock (meaning they can occur at random times), and hence are also termed as asynchronous interrupts.

Interrupts triggered from within the CPU due to events generated by program instructions currently in execution are referred to as software interrupts. A software interruptis caused either by an exception triggered by program instructions currently in execution or on execution of a privileged instruction that raises an interrupt. For instance, when a program instruction...

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Authors (1)

CH Raghav Maruthi

Raghu Bharadwaj is a leading consultant, contributor, and corporate trainer on the Linux kernel with experience spanning close to two decades. He is an ardent kernel enthusiast and expert, and has been closely following the Linux kernel since the late 90s. He is the founder of TECH VEDA, which specializes in engineering and skilling services on the Linux kernel, through technical support, kernel contributions, and advanced training. His precise understanding and articulation of the kernel has been a hallmark, and his penchant for software designs and OS architectures has garnered him special mention from his clients. Raghu is also an expert in delivering solution-oriented, customized training programs for engineering teams working on the Linux kernel, Linux drivers, and Embedded Linux. Some of his clients include major technology companies such as Xilinx, GE, Canon, Fujitsu, UTC, TCS, Broadcom, Sasken, Qualcomm, Cognizant, STMicroelectronics, Stryker, and Lattice Semiconductors.

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