minor cleanup

289bbef7 · kolya · f73b8120 · 289bbef7 · 289bbef7
--- a/console.c
+++ b/console.c
@@ -290,7 +290,7 @@ panic(char *s)
  int i;
  uint pcs[10];
  
-  __asm __volatile("cli");
+  cli();
  use_console_lock = 0;
  cprintf("cpu%d: panic: ", cpu());
  cprintf(s);

--- a/lapic.c
+++ b/lapic.c
@@ -97,8 +97,8 @@ cpu(void)
  // Cannot call cpu when interrupts are enabled:
  // result not guaranteed to last long enough to be used!
  // Would prefer to panic but even printing is chancy here:
-  // everything, including cprintf, calls cpu, at least indirectly
-  // through acquire and release.
+  // almost everything, including cprintf and panic, calls cpu,
+  // often indirectly through acquire and release.
  if(read_eflags()&FL_IF){
    static int n;
    if(n++ == 0)