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-rw-r--r--tools/perf/util/libunwind/arm64.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/perf/util/libunwind/arm64.c b/tools/perf/util/libunwind/arm64.c
index 6559bc586643..66756e6be111 100644
--- a/tools/perf/util/libunwind/arm64.c
+++ b/tools/perf/util/libunwind/arm64.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* This file setups defines to compile arch specific binary from the
* generic one.