rcu, ftrace: Fix RCU lockdep splat in ftrace_perf_buf_prepare()

[safe/jmp/linux-2.6] / include / trace / ftrace.h

diff --git a/include/trace/ftrace.h b/include/trace/ftrace.h
index 0804cd5..601ad77 100644 (file)
--- a/include/trace/ftrace.h
+++ b/include/trace/ftrace.h
@@ -699,9 +699,9 @@ __attribute__((section("_ftrace_events"))) event_##call = {         \
  *     __cpu = smp_processor_id();
  *
  *     if (in_nmi())
- *             trace_buf = rcu_dereference(perf_trace_buf_nmi);
+ *             trace_buf = rcu_dereference_sched(perf_trace_buf_nmi);
  *     else
- *             trace_buf = rcu_dereference(perf_trace_buf);
+ *             trace_buf = rcu_dereference_sched(perf_trace_buf);
  *
  *     if (!trace_buf)
  *             goto end;