Since we never set the X bit for directly mappings, nothing can be moved into the instruction cache through them.  So we don't need to flush the instruction cache and purge instruction TLBs for these mappings.
Since we never set the X bit for directly mappings, nothing can be moved into
the instruction cache through them.  So we don't need to flush the
instruction cache and purge instruction TLBs for these mappings.

ok jsing@, miod@

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