Use runtime options instead of conditional compilation for MLFQS,

[pintos-anon] / TODO

diff --git a/TODO b/TODO
index 3e9c3e4716f5d11887f430b2ed0c2a03405a92cb..151b6763f94f7a470b35b5442ecfbb6cdc0c2ca2 100644 (file)
--- a/TODO
+++ b/TODO
@@ -11,8 +11,6 @@
 
 * Threads:
 
 
 * Threads:
 

-  - join-invalid doesn't compile if tid_t is not scalar type.
-

   - mlfqs tests suck.  They aren't even correct, e.g. the amarv
     submission from win0405 is graded incorrectly.
 
   - mlfqs tests suck.  They aren't even correct, e.g. the amarv
     submission from win0405 is graded incorrectly.
 


@@ -24,12 +22,6 @@
     project 3 and in real OSes.  Also revise the grading criteria to
     match.
 
     project 3 and in real OSes.  Also revise the grading criteria to
     match.
 

-  - Move `join' implementation here, from `threads' project, to help
-    normalize the project difficulties.
-
-  - The semantics of the join system call should change so that it
-    only returns the exit code once.
-

   - 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.
   - 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.


@@ -58,12 +50,8 @@
 
     Alternatively, shrink the inode size.
 
 
     Alternatively, shrink the inode size.
 

-  - Add mkdir and ls example user programs.
-

   - Add option to disable buffer cache.
 
   - Add option to disable buffer cache.
 

-  - Get rid of "dump" commands--they're not really useful.
-

   - Sample solution.
 
   - Need a better way to measure performance improvement of buffer
   - Sample solution.
 
   - Need a better way to measure performance improvement of buffer


@@ -114,8 +102,6 @@
 
 * Code:
 
 
 * Code:
 

-  - Make printf() test actually check its results.
-

   - Make threads test use a program and arguments like the other
     projects.
 
   - Make threads test use a program and arguments like the other
     projects.
 


@@ -124,3 +110,8 @@
 
   - Get rid of all compile-time flags, e.g. MLFQS should be a runtime
     command-line option.
 
   - Get rid of all compile-time flags, e.g. MLFQS should be a runtime
     command-line option.

+
+  - Need an optimization barrier and an explanation of it in the
+    documentation.
+
+  - Need to check the wait system call more thoroughly.