License cleanup: add SPDX GPL-2.0 license identifier to files with no license

[mirror_ubuntu-kernels.git] / tools / perf / tests / backward-ring-buffer.c

diff --git a/tools/perf/tests/backward-ring-buffer.c b/tools/perf/tests/backward-ring-buffer.c
index d233ad33646319e2a4f8428454fb1d637dd1804e..71b9a0b613d2b2fcedee056de59d9ea56ec78516 100644 (file)
--- a/tools/perf/tests/backward-ring-buffer.c
+++ b/tools/perf/tests/backward-ring-buffer.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Test backward bit in event attribute, read ring buffer from end to
  * beginning