-stable kernel and release 6.2 base system. Do they need to be in sync?

[Wojciech Puchar]

>
> Just updated /usr/src to -stable (-rRELENG_6), and are now compiling
> the -stable kernel.
>
> Just wondering if I will need to rebuild the base system (world?) as
> well so they are in sync?
>
tell me what base system do you have now.