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-rw-r--r--kernel/perf_event.c2
-rw-r--r--kernel/trace/trace_event_perf.c2
2 files changed, 4 insertions, 0 deletions
diff --git a/kernel/perf_event.c b/kernel/perf_event.c
index fb3031cf9f1..574ee58a304 100644
--- a/kernel/perf_event.c
+++ b/kernel/perf_event.c
@@ -2786,10 +2786,12 @@ __weak struct perf_callchain_entry *perf_callchain(struct pt_regs *regs)
return NULL;
}
+#ifdef CONFIG_EVENT_TRACING
__weak
void perf_arch_fetch_caller_regs(struct pt_regs *regs, unsigned long ip, int skip)
{
}
+#endif
/*
* Output
diff --git a/kernel/trace/trace_event_perf.c b/kernel/trace/trace_event_perf.c
index 0709e4f7511..7d79a10c3cd 100644
--- a/kernel/trace/trace_event_perf.c
+++ b/kernel/trace/trace_event_perf.c
@@ -12,6 +12,8 @@
DEFINE_PER_CPU(struct pt_regs, perf_trace_regs);
EXPORT_PER_CPU_SYMBOL_GPL(perf_trace_regs);
+EXPORT_SYMBOL_GPL(perf_arch_fetch_caller_regs);
+
static char *perf_trace_buf;
static char *perf_trace_buf_nmi;