build/installworld break under -j n for n>1

[Mark Kirkwood]

Chuck Swiger wrote:
>
> While I find your confidence in doing an installworld without checking 
> for whether the build completed sucessfully and without doing a human 
> review to be admirable :-), perhaps consider doing this instead:
>
>    make -j n buildworld && make installworld
>
> ...?
>
Just out of interest, is it actually correct to so this? I usually do:

make buildworld
make kernel
reboot (single user etc)
make installworld


I'm guessing you would only do the make buildworld && make installworld 
if you had *not* changed the kernel sources?

Thanks

Mark