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Microkernels are slow and Elvis didn't do no drugs
By Thom Holwerda on 2016-01-02 23:49:38

Microkernel hatred is a peculiar phenomenon. Sheltered users who have never had any background in much beyond Windows and some flavor of free monolithic Unix, will, despite a general apathy or ignorance in the relevant subjects, have strong opinions on the allegedly dreadful performance and impracticality of "icrokernels", however they define the term (and we shall see that a lot of people have some baffling impressions of what a microkernel is supposed to be). Quite often, these negative views will be a result of various remarks made by Linus Torvalds and a general hero worship of his character, a misrepresentation of an old Usenet flame war between AST and Torvalds that was somehow "won" and which supposedly proved that microkernels are nothing but a toy of ivory tower academics, or a rehash of quarter century-old benchmarks on CMU's Mach that were unfavorable. The presence of Linus' character in many of this is no coincidence. It strikes me that anti-microkernel sentiment most vocally originates as a sort of tribal affiliation mechanism by Linux users to ward off insecurity.

In any event, this article will be a concise tour of microkernel myths and misconceptions throughout the ages.

I wouldn't exactly call this article "concise", but it's definitely filled with valuable technical information.

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