Add new item to TODO.

diff --git a/TODO b/TODO
index b63351224dc9b8a9a0b1faa2c4814df58a4701a1..d3ae26dd7c9a8fcfff229d1292fd6e73fb5c65ac 100644 (file)
--- a/TODO
+++ b/TODO
@@ -2,6 +2,10 @@ Find out why ubuntu compiles are failing.  Find work around.
 
 Audit all sti/cli calls.
 
+Look into ways to reduce stack usage.  For example, %esp, %ebp, %esi
+(high bits), %edi (high bits) are already restored by the C code if
+they're changed - they probably don't need to be backed up on entry.
+
 Code assumes ebda segment is static - it doesn't read 0x40e.
 
 See if using an ld script for 16bit mode is a good idea.