Subject: Re: NetBSD SMP compared to Linux SMP
To: Ross Harvey <,>
From: Hubert Feyrer <>
List: netbsd-users
Date: 07/01/2001 23:30:36
In article <> you wrote:
>> NetBSD's SMP stuff is still in development.  I heard it works, but the
>> patches are still experimental and not yet in the source.
> A minor correction or two here: the i386 code is in the sources, but on a
> cvs branch.  The alpha SMP code, however, is in -current right now.

The same for VAX. :)

So while here, what's involved for SMP? As far as I understand:
 * the MD part is CPU spinnup, IRQ routing, what else?
 * The MI part is the lockmgr(?) interface, which helps protecting
   data from concurrent access by both CPUs

What's all the details that's missing? 

 - Hubert