The attached 2 patches (against 2.6.14-rc2-rt3) seem to be required to 
compile dccp and nfnetlink (only compile-tested).

Ingo Molnar wrote:
> i have released the 2.6.14-rc2-rt2 tree, which can be downloaded from 
> the usual place:
> 
>    http://redhat.com/~mingo/realtime-preempt/
> 
...