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-rw-r--r--tools/perf/arch/x86/tests/rdpmc.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/perf/arch/x86/tests/rdpmc.c b/tools/perf/arch/x86/tests/rdpmc.c
index 17fec30a0b31..7a11f02d6c6c 100644
--- a/tools/perf/arch/x86/tests/rdpmc.c
+++ b/tools/perf/arch/x86/tests/rdpmc.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
#include <errno.h>
#include <unistd.h>
#include <stdlib.h>