why is entire 8xx architecture defined as "broken"?

[Robert P. J. Day]

  after i looked at the Kconfig setup for 2.6.11-5, i'm a bit puzzled
-- why is the entire 8xx architecture defined as "BROKEN"?  follow the
logic along:

arch/ppc/Kconfig:

	config 8xx
		depends on BROKEN
		bool "8xx"

  and what means "BROKEN"?

init/Kconfig:

	config BROKEN
		bool
		depends on !CLEAN_COMPILE
		default y

  ok, and "CLEAN_COMPILE"?  defined just above that:

	config CLEAN_COMPILE
		bool "Select only drivers expected to compile cleanly" if
			EXPERIMENTAL
		default y

  ok, and "EXPERIMENTAL"?

	config EXPERIMENTAL
		bool "Prompt for development and/or incomplete code/drivers"

and *that* refers to the top-level menu entry regarding whether you
want to take a chance on "development and/or incomplete code/drivers",
not entire architectures.

  the above seems just a tad misleading, no?

rday