On Sun, Feb 11, 2007 at 12:20:04PM +0000, Mark Kirby wrote:
> o The branch introduces a new 1:1 threading model that allows
>   multithreaded applications to take advantage of all available CPUs
>   in a multi-way system. The scheduler activations implementation used
>   from NetBSD 2.0 through NetBSD 4.0 provides execellent performance
>   on single CPU systems, but restricts any instance of a threaded
>   application to a single CPU in the system.

what did PTHREAD_CONCURRENCY do previously?  it seemed to put threads on
multiple CPUs under 2.0.x.

is the M:N threading being replaced, or is this adding a special case
for 1:1 ?

-- 
  Aaron J. Grier | "Not your ordinary poofy goof." | agrier@poofygoof.com
              "silly brewer, saaz are for pils!"  --  virt