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-rw-r--r--tools/virtio/ringtest/main.c2
-rw-r--r--tools/virtio/ringtest/main.h2
-rw-r--r--tools/virtio/ringtest/ring.c2
-rw-r--r--tools/virtio/ringtest/virtio_ring_0_9.c2
4 files changed, 4 insertions, 4 deletions
diff --git a/tools/virtio/ringtest/main.c b/tools/virtio/ringtest/main.c
index 453ca3c21193..5a18b2301a63 100644
--- a/tools/virtio/ringtest/main.c
+++ b/tools/virtio/ringtest/main.c
@@ -1,7 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2016 Red Hat, Inc.
* Author: Michael S. Tsirkin <mst@redhat.com>
- * This work is licensed under the terms of the GNU GPL, version 2.
*
* Command line processing and common functions for ring benchmarking.
*/
diff --git a/tools/virtio/ringtest/main.h b/tools/virtio/ringtest/main.h
index 301d59bfcd0a..6d1fccd3d86c 100644
--- a/tools/virtio/ringtest/main.h
+++ b/tools/virtio/ringtest/main.h
@@ -1,7 +1,7 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2016 Red Hat, Inc.
* Author: Michael S. Tsirkin <mst@redhat.com>
- * This work is licensed under the terms of the GNU GPL, version 2.
*
* Common macros and functions for ring benchmarking.
*/
diff --git a/tools/virtio/ringtest/ring.c b/tools/virtio/ringtest/ring.c
index 5a41404aaef5..58e7d33bddfc 100644
--- a/tools/virtio/ringtest/ring.c
+++ b/tools/virtio/ringtest/ring.c
@@ -1,7 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2016 Red Hat, Inc.
* Author: Michael S. Tsirkin <mst@redhat.com>
- * This work is licensed under the terms of the GNU GPL, version 2.
*
* Simple descriptor-based ring. virtio 0.9 compatible event index is used for
* signalling, unconditionally.
diff --git a/tools/virtio/ringtest/virtio_ring_0_9.c b/tools/virtio/ringtest/virtio_ring_0_9.c
index 5fd3fbcb9e57..13a035a390e9 100644
--- a/tools/virtio/ringtest/virtio_ring_0_9.c
+++ b/tools/virtio/ringtest/virtio_ring_0_9.c
@@ -1,7 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Copyright (C) 2016 Red Hat, Inc.
* Author: Michael S. Tsirkin <mst@redhat.com>
- * This work is licensed under the terms of the GNU GPL, version 2.
*
* Partial implementation of virtio 0.9. event index is used for signalling,
* unconditionally. Design roughly follows linux kernel implementation in order