Update.

diff --git a/TODO b/TODO
index 37899a08b19694f1a2754605d72e1b2438a98ffe..6fb051b0e85314714f43bb4c32d0841dc446059b 100644 (file)
--- a/TODO
+++ b/TODO
@@ -18,8 +18,6 @@
 
 * Improve automatic interpretation of exception messages.
 
-* debug_backtrace() in kernel should only dereference valid pointers.
-
 * We need better and more example programs.
 
   - Need an mmap example program as a replacement for the crappy mmap FAQ
@@ -55,10 +53,6 @@
   - Discuss the perils of mixing dirty bits between kernel and user virtual
     memory.
 
-  - Sample solution.
-
-  - Update grading/vm to reflect new mmap, munmap forms.
-
 * Filesys project:
 
   - Increase maximum disk size from 8 MB to something that actually
@@ -70,8 +64,6 @@
 
   - Add option to disable buffer cache.
 
-  - Sample solution.
-
   - Need a better way to measure performance improvement of buffer
     cache.  Some students reported that their system was slower with
     cache--likely, Bochs doesn't simulate a disk with a realistic
@@ -107,8 +99,6 @@
 
 * Tests:
 
-  - Release some of them.
-
   - The threads, userprog, vm test source files could use
     factorization and cleanup along the lines of fslib in the filesys
     tests.