Why did the people who made Linux choose a kernel that can't be skipped? In a machine with a single processor, what does a non-preemptible kernel do? Why does the value go down as the number of computers goes up?

Why did the people who made Linux choose a kernel that can't be skipped? In a machine with a single processor, what does a non-preemptible kernel do? Why does the value go down as the number of computers goes up?

CompTIA Linux+ Guide to Linux Certification (MindTap Course List)

4th Edition

ISBN:9781305107168

Author:Jason Eckert

Publisher:Jason Eckert

Chapter1: Introduction To Linux

Section: Chapter Questions

Problem 6RQ

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Why did the people who made Linux choose a kernel that can't be skipped?
In a machine with a single processor, what does a non-preemptible kernel do? Why does the value go down as the number of computers goes up?

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Why did the developers of the initial version of Linux choose to make the kernel of the operating system non-preemptible?If there is just one CPU in the system, what use does a kernel that is not preemptible serve? Therefore, why does the gain become null and void when using a machine with several processors?
For what reason did the original Linux developers settle on a non-preemptible kernel?What use case best justifies a non-preemptible kernel in a single-processor system? If there are several processors involved, however, shouldn't the advantage be multiplied?
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