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-rw-r--r--kernel/trace/trace_event_profile.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/trace/trace_event_profile.c b/kernel/trace/trace_event_profile.c
index f0d69300507..e66d21e15a0 100644
--- a/kernel/trace/trace_event_profile.c
+++ b/kernel/trace/trace_event_profile.c
@@ -2,13 +2,14 @@
* trace event based perf counter profiling
*
* Copyright (C) 2009 Red Hat Inc, Peter Zijlstra <pzijlstr@redhat.com>
- *
+ * Copyright (C) 2009-2010 Frederic Weisbecker <fweisbec@gmail.com>
*/
#include <linux/module.h>
#include <linux/kprobes.h>
#include "trace.h"
+DEFINE_PER_CPU(struct pt_regs, perf_trace_regs);
static char *perf_trace_buf;
static char *perf_trace_buf_nmi;