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-rw-r--r--kernel/trace/trace.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 5811e0a5f73..91887a280ab 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -983,6 +983,7 @@ static void ftrace_trace_userstack(struct trace_array *tr,
struct trace_array_cpu *data,
unsigned long flags, int pc)
{
+#ifdef CONFIG_STACKTRACE
struct ring_buffer_event *event;
struct userstack_entry *entry;
struct stack_trace trace;
@@ -1008,6 +1009,7 @@ static void ftrace_trace_userstack(struct trace_array *tr,
save_stack_trace_user(&trace);
ring_buffer_unlock_commit(tr->buffer, event, irq_flags);
+#endif
}
void __trace_userstack(struct trace_array *tr,