K 10 svn:author V 9 jimharris K 8 svn:date V 27 2012-12-13T21:27:20.228556Z K 7 svn:log V 200 Revert r243960 based on feedback regarding keeping x86 headers unified (mdf@, tijl@) and use of KASSERT/systm.h in bus.h (zeising@, bde@). Alternate implementation will be made in a separate commit. END