Re: Current ULE state and plans (was Re: HMP scheduling on FreeBSD)

From: George Mitchell <george+freebsd_at_m5p.com>
Date: Mon, 19 Jan 2026 14:28:04 UTC
On 1/19/26 09:17, Olivier Certner wrote:
> Hi,
> 
> This is a mail intended to spread the news.  I must also admit to getting a bit tired to see the same misconceptions and falsities on ULE, and even on schedulers in general, repeated over long periods of time by several people.
> [...]
> One of my personal goals is to deprecate 4BSD in 16 if possible, as it is more and more irrelevant on modern machines and seems too lightly tested.
 > [...]
Thanks for this explanation and progress report.

Rather than deprecating 4BSD, has anyone thought about making it a load
time tunable, perhaps even a loadable kernel module?  Or, in the world
of packages for base, having the scheduler be its own package?
Especially if someone wants to write yet another scheduler?   -- George