Non-equivalent writable aliases (aka illegal aliases) are bad.  Since PA-RISC doesn't have a usuable uncachable bit, whack all other mappings of a page if we are about to create a non-equivalent writable alias by entering a mapping for it.
Non-equivalent writable aliases (aka illegal aliases) are bad.  Since PA-RISC
doesn't have a usuable uncachable bit, whack all other mappings of a page
if we are about to create a non-equivalent writable alias by entering a
mapping for it.

ok art@, miod@

orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars,orumin/openbsd-efivars