Re: GNU Mach: in user-mode?

[olafBuddenhagen]

Hi,

On Fri, Jun 05, 2009 at 09:01:26PM +0700, Ivan Shmakov wrote:

>       I wonder, is there a chance of getting GNU Mach to run as an
>       user-mode application under a different (e. g., GNU/Linux, or
>       Mach-based GNU/Hurd itself) system?

We have discussed the possibility of running the Hurd on top of some
other system in the past. (See
http://tri-ceps.blogspot.com/2005/09/welcome-to-hell.html for example.)

IMHO, it would be immensly useful; and a user-mode Mach is certainly one
possible way to achieve this.

Running Mach on top of a Mach-based system seems rather pointless
though: Mach itself is designed in such a fashion that it should be
possible to provide a fully virtualized environment, looking just like a
"native" Mach instance, where you can run another Hurd instance -- or in
fact any Mach-based system.

Zheng Da is currently working on enhancing the subhurd mechanism to
actually provide this ability.

-antrik-