> The random device is a fairly useful thing to have (I use it for
> input values to "crashme" ;-) but there lots of people who don't
> use it for anything. For those people, it would be useful to have a
> CONFIG_RANDOM option, so that they can save a bit of space, and avoid
> the small overhead associated with all the add_XXX_randomness() calls.
The random generator is sometimes used inside the kernel itself
-- for example in my BOOTP code. I think it isn't a good idea to allow
disabling it.
Martin Mares