On Wed, 2011-04-20 at 23:39 -0700, Joe Perches wrote:

Using a bitmap instead of separate u32 flags allows a consistent, simpler
and more extensible mechanism to determine capabilities.

This is the second version of this patch.

I sent Matt privately a version a couple of weeks ago
to get his opinion before posting this one.

David, please don't apply unless/until Matt acks this.
It compiles but is untested here.