Cast from uint32_t to bus_addr_t earlier, since it may exceed 32 bits.
as suggested by gimpy et al, "no config" the netbsd-device kernels.
Reduces `build.sh release` by about a gig.
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"