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-rw-r--r--tools/perf/util/unwind-libunwind-local.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/perf/util/unwind-libunwind-local.c b/tools/perf/util/unwind-libunwind-local.c
index 672c2ada9357..7a42f703e858 100644
--- a/tools/perf/util/unwind-libunwind-local.c
+++ b/tools/perf/util/unwind-libunwind-local.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
/*
* Post mortem Dwarf CFI based unwinding on top of regs and stack dumps.
*