- - For userprog project, don't provide per-process pagedir
- implementation but only single-process implementation and require
- students to implement the separation? This project was rated as
- the easiest after all. Alternately we could just remove the
- synchronization on pid selection and check that students fix it.
+ - Mark read-only pages as actually read-only in the page table. Or,
+ since this was consistently rated as the easiest project by the
+ students, require them to do it.
+
+ - Don't provide per-process pagedir implementation but only
+ single-process implementation and require students to implement
+ the separation? This project was rated as the easiest after all.
+ Alternately we could just remove the synchronization on pid
+ selection and check that students fix it.