xv6

commit ab777a9ad0355e6df16ee53bad348d5fbb1f347f
parent fb4868745cd9c8224e1d93066d0b4f4539be5689
Author: Frans Kaashoek <kaashoek@30-7-101.wireless.csail.mit.edu>
Date:   Wed,  7 Oct 2009 17:42:14 -0400

fine-tune comment

Diffstat:
M
proc.h
 | 
4
++--

1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/proc.h b/proc.h
@@ -16,8 +16,8 @@
 // Contexts are stored at the bottom of the stack they
 // describe; the stack pointer is the address of the context.
 // The layout of the context matches the layout of the stack in swtch.S
-// at "Switch stacks" comment. eip is included  in the context 
-// so that allocproc() can easily change the return address on the stack.
+// at "Switch stacks" comment. Switch itself doesn't save eip explicitly,
+// but it is on the stack and allocproc() manipulates it.
 struct context {
   uint edi;
   uint esi;