Grab pv_list lock in pmap_unmap_ephemeral_page only when needed.
Make PARANOIADIAG compile.
Fix build w/o options SUN4_MMU3L.
Use pmap_tlb_asid_check to reduce code c&p.
Also attach to devices named "parallel"
Fix comment pointing at the source of the list of functions and add
two missing ones: _clrsbsi2 and _clrsbdi2