minor

a03120ea · Nickolai Zeldovich · 15cf9ce6 · a03120ea · a03120ea
--- a/lapic.c
+++ b/lapic.c
@@ -127,9 +127,11 @@ cpunum(void)
  // often indirectly through acquire and release.
  if(readeflags()&FL_IF){
    static int n __attribute__ ((aligned (CACHELINE)));
-    if(n++ == 0)
+    if(n == 0) {
+      n++;
      cprintf("cpu called from %x with interrupts enabled\n",
        __builtin_return_address(0));
+    }
  }

  if(lapic)

--- a/ns.c
+++ b/ns.c
@@ -48,6 +48,7 @@ nsalloc(void)
  if (ns == 0)
    panic("nsalloc");
  memset(ns, 0, sizeof(struct ns));
+  initlock(&ns_lock, "ns");

  acquire(&ns_lock);
  for (int i = 0; i < NHASH; i++) {