Release criteria for libkse -> libpthread switch?

[Petri Helenius]

Ryan Sommers wrote:

>My only concern with this is that it might cause some sort of delay in
>getting to 5-STABLE. I think, as I'm sure most would agree, that
>achieving a 5-STABLE is the next major milestone for the project. One
>that, from the lists, some think is somewhat overdue.
>
>  
>
The same can be said for M:N threads, they are overdue too and since kse 
works well
with a few signal handling related exceptions, I think the general 
experience would
be significantly improved by retiring current userland thread library.

Pete