+int test_bit(int nr, const void *addr)
+{
+ int *a = (int *)addr;
+ int mask;
+ a += nr >> 5;
+ mask = 1 << (nr & 0x1f);
+ return ((mask & *a) != 0);
+}
+struct trace_array_cpu {
+ int disabled;
+};
+struct {
+ struct trace_array_cpu *data[1];
+} global_trace;
+struct {
+ unsigned long bits[1];
+} tracing_cpumask;
+tracing_cpumask_write()
+{
+ int cpu;
+ for (cpu = 0; cpu < 1; cpu++) {
+ if (test_bit(cpu, tracing_cpumask.bits))
+ atomic_inc(&global_trace.data[cpu]->disabled);
+ if (!test_bit(cpu, tracing_cpumask.bits))
+ atomic_dec(&global_trace.data[cpu]->disabled);
+ }
+}