User-mode FreeBSD?

[NGie Cooper]

On Thu, May 7, 2015 at 3:04 PM, Alex Merritt <merritt.alex at gmail.com> wrote:
...
> DragonFly (FreeBSD derivative) supports a "virtual kernel" mode, like what
> you are asking:
>
> http://www.dragonflybsd.org/features/
>
> I have not had the chance yet to use this myself.

Nice. I wonder if how hard it would be to port to FreeBSD and whether
or not it's an equivalent to NetBSD's RUMP...