cvs commit: src/sys/amd64/conf GENERIC

[Wes Peters]

On Dec 13, 2006, at 9:17 PM, Scott Long wrote:

> mjacob at freebsd.org wrote:
>>> There wasn't a full switchover to SMP at 6.0 because an SMP  
>>> kernel on a
>>> UP system incurs a measurable runtime overhead, and we wanted to  
>>> present
>>> a system that showed the best of FreeBSD to people who wanted to  
>>> run it
>> But David's point is that most AMD64 boxes *are* SMP, not UP. Is  
>> that wrong?
>
> 1. There are plenty of single core Opterons and Athlon64 chips  
> still in
> service.  Maybe AMD sells more SMP systems now than UP systems, but  
> their prior sales of UP systems didn't magically disappear overnight.
>
> 2. The decision was made in spring of 2005, before dual core chips  
> were
> widely used.  While we knew that such chips would be available, we
> wanted to have consistency for the transition.
>
> 3. This change, had it not been reverted, would have broken the
> consistency in the major release stream that we were trying to  
> achieve.
> You spell it 'POLA', I spell it 'consistent'.  Either way, I think  
> that
> we both have a deep concern and appreciation for doing the right thing
> and not pissing people off with surprises.
>
> 4. When 7.0 is released in 2007, the transition will be complete.

These are all fine points, Scott is right about everything *except*  
calling David an idiot.  David, who is not an idiot, politely backed  
out the change.  Please end this thread now.

--
            Where am I, and what am I doing in this handbasket?
Wes Peters                                                      
wes at softweyr.com