nit in console interrupts

Notes

@@ -103,9 +103,10 @@ test: deadlock d/.. vs ../d, two processes.
 test: dup() shared fd->off
 test: does echo foo > x truncate x?
 
-sh: support pipes?  leave it for the class?
+sh: ioredirection incorrect now we have pipes
+sh: chain of pipes won't work, also ugly that parent closes fdarray entries too
 sh: dynamic memory allocation?
-sh: should sh support ; () &  --- need malloc
+sh: should sh support ; () &
 sh: stop stdin on ctrl-d (for cat > y)
 
 really should have bdwrite() for file content

console.c

@@ -178,7 +178,6 @@ console_write(int minor, char *buf, int n)
 }
 
 
-// This is i8042reg.h + kbdreg.h from NetBSD.
 #define KBSTATP         0x64    // kbd controller status port(I)
 #define KBS_DIB         0x01    // kbd data in buffer
 #define KBDATAP         0x60    // kbd data port(I)