[TUHS] Macs and future unix derivatives
Larry McVoy
lm at mcvoy.com
Wed Feb 10 13:02:10 AEST 2021
For the record, I've never seen the Solbourne code but I wanted to. Seemed
like they were Unix people. They took SunOS to a better place. I suspect
Greg Limes would agree.
On Tue, Feb 09, 2021 at 07:56:00PM -0700, Warner Losh wrote:
> On Tue, Feb 9, 2021 at 6:41 PM Larry McVoy <lm at mcvoy.com> wrote:
>
> > Which is part of the reason we liked it. I loved SunOS 4.x but it was
> > also a uniprocessor kernel (Greg Limes tried to make it SMP but it was not
> > a kernel that wanted to be SMP). I loved it because I could understand
> > it and it was a bit more complex than v7.
> >
>
> David Barak and the OS group as Solbourne wwere able to do it for OS/MP.
> First as a ASMP kernel where CPU0 ran the unix kernel, but scheduled jobs
> for all the other CPUs, the as SMP where the kernel could run on any CPU
> with progressively finer locking on each release.
>
> Warner
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Larry McVoy lm at mcvoy.com http://www.mcvoy.com/lm
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