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From: Robert Swindells <rjs@fdy2.co.uk>
Newsgroups: comp.arch
Subject: Re: Threads (was Re: MSI interrupts)
Date: Fri, 4 Apr 2025 10:41:44 -0000 (UTC)
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On Thu, 03 Apr 2025 01:38:53 -0400, George Neuner wrote:

> Also, consider "scheduler activations", wherein the kernel provides only
> virtual cores, and all threading is done in user space.
> 
> https://homes.cs.washington.edu/~tom/pubs/sched_act.pdf
> https://www.cs.ucr.edu/~heng/teaching/cs202-sp18/lec7.pdf
> 
> There is an implementation of this idea on NetBSD
> http://web.mit.edu/nathanw/www/usenix/freenix-sa/freenix-sa.html

The scheduler activations implementation of threads was removed from 
NetBSD in 2012.