Multi CPU support in 6.0

[David Landgren]

And Kris Kennaway did write:

> On Mon, Nov 07, 2005 at 05:15:55PM +0100, Achim Patzner wrote:
> 
>>Am 07.11.2005 um 16:27 schrieb Ollivier Robert:
>>

[...]

>>I remember someone writing that the intermediate state of -CURRENT  
>>while removing the giant lock around the kernel wasn't viable with  
>>more than four CPUs as it would completely deadlock from time to  
>>time. I guess we're a bit further down the road...
> 
> 
> That certainly seems to be the case.  You want to use FreeBSD 6.0,
> which has excellent performance and stability on SMP in my testing,
> even with 14 CPUs.  FreeBSD 5.4 is definitely not up to it, since VFS
> is under Giant.

Well I'm going to take the plunge and bring an HP Netserver LT 6000 with 
6 CPUs up from 5.4-STABLE to 6.

Are there any obvious additions or subtractions from a 5.x kernel 
configuration file? Is ADAPTIVE_GIANT now obsolete?

Thanks for the tips,
David