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

[mirror_ubuntu-bionic-kernel.git] / tools / testing / selftests / x86 / protection_keys.c

diff --git a/tools/testing/selftests/x86/protection_keys.c b/tools/testing/selftests/x86/protection_keys.c
index 23927845518dee583f45d207e6bd2ea52d7f8343..555e43ca846b2bd5fb27cf50d796b2696c85989a 100644 (file)
--- a/tools/testing/selftests/x86/protection_keys.c
+++ b/tools/testing/selftests/x86/protection_keys.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Tests x86 Memory Protection Keys (see Documentation/x86/protection-keys.txt)
  *