The subject says everything you need to know.  Randy provided this
link earlier:

  http://lkml.org/lkml/2010/6/2/472

Linus doesn't appear to be listening to reason, so I see now this as
a fait accompli.  It'll apparantly happen at the next merge window.

So, don't send anything which contains a defconfig file or updates to
it.  It's pointless.