comment fixes

05a7bbe0 · rsc · 94d7e259 · 05a7bbe0 · 05a7bbe0
--- a/mp.c
+++ b/mp.c
@@ -196,7 +196,8 @@ mp_bcpu(void)
 extern void mpmain(void);
-#define APBOOTCODE 0x7000 // XXX hack
+// Write bootstrap code to unused memory at 0x7000.
+#define APBOOTCODE 0x7000
 void
 mp_startthem(void)

--- a/syscall.c
+++ b/syscall.c
@@ -168,7 +168,7 @@ syscall(void)
    break;
  default:
    cprintf("unknown sys call %d\n", num);
-    // XXX fault
+    // Maybe kill the process?
    break;
  }
  cp->tf->eax = ret;