11 files changed, 11 insertions, 31 deletions
diff --git a/kernel/cpu.c b/kernel/cpu.c
index 01968a5c4a16..bc4f7a9ba64e 100644
--- a/kernel/cpu.c
+++ b/kernel/cpu.c
@@ -1,7 +1,6 @@
+// SPDX-License-Identifier: GPL-2.0
 /* CPU control.
  * (C) 2001, 2002, 2003, 2004 Rusty Russell
- *
- * This code is licenced under the GPL.
  */
 #include <linux/sched/mm.h>
 #include <linux/proc_fs.h>
diff --git a/kernel/debug/debug_core.h b/kernel/debug/debug_core.h
index cd22b5f68831..fa1226158b45 100644
--- a/kernel/debug/debug_core.h
+++ b/kernel/debug/debug_core.h
@@ -1,11 +1,8 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 /*
  * Created by: Jason Wessel <jason.wessel@windriver.com>
  *
  * Copyright (c) 2009 Wind River Systems, Inc.  All Rights Reserved.
- *
- * This file is licensed under the terms of the GNU General Public
- * License version 2. This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
  */
 
 #ifndef _DEBUG_CORE_H_
diff --git a/kernel/debug/kdb/kdb_bp.c b/kernel/debug/kdb/kdb_bp.c
index c0c2072f5452..eb8d851d620f 100644
--- a/kernel/debug/kdb/kdb_bp.c
+++ b/kernel/debug/kdb/kdb_bp.c
@@ -1,10 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Kernel Debugger Architecture Independent Breakpoint Handler
  *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
  * Copyright (c) 1999-2004 Silicon Graphics, Inc.  All Rights Reserved.
  * Copyright (c) 2009 Wind River Systems, Inc.  All Rights Reserved.
  */
diff --git a/kernel/debug/kdb/kdb_bt.c b/kernel/debug/kdb/kdb_bt.c
index 137ba73f56fc..c561aa076970 100644
--- a/kernel/debug/kdb/kdb_bt.c
+++ b/kernel/debug/kdb/kdb_bt.c
@@ -1,10 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Kernel Debugger Architecture Independent Stack Traceback
  *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
  * Copyright (c) 1999-2004 Silicon Graphics, Inc.  All Rights Reserved.
  * Copyright (c) 2009 Wind River Systems, Inc.  All Rights Reserved.
  */
diff --git a/kernel/debug/kdb/kdb_debugger.c b/kernel/debug/kdb/kdb_debugger.c
index e91fc3e4edd5..59b81032bbab 100644
--- a/kernel/debug/kdb/kdb_debugger.c
+++ b/kernel/debug/kdb/kdb_debugger.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Created by: Jason Wessel <jason.wessel@windriver.com>
  *
diff --git a/kernel/debug/kdb/kdb_io.c b/kernel/debug/kdb/kdb_io.c
index 61c1690058ed..c399f11740ef 100644
--- a/kernel/debug/kdb/kdb_io.c
+++ b/kernel/debug/kdb/kdb_io.c
@@ -1,10 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Kernel Debugger Architecture Independent Console I/O handler
  *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
  * Copyright (c) 1999-2006 Silicon Graphics, Inc.  All Rights Reserved.
  * Copyright (c) 2009 Wind River Systems, Inc.  All Rights Reserved.
  */
diff --git a/kernel/debug/kdb/kdb_keyboard.c b/kernel/debug/kdb/kdb_keyboard.c
index 386d30e530b7..c7ebcb9e9d8f 100644
--- a/kernel/debug/kdb/kdb_keyboard.c
+++ b/kernel/debug/kdb/kdb_keyboard.c
@@ -1,9 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Kernel Debugger Architecture Dependent Console I/O handler
  *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.
- *
  * Copyright (c) 1999-2006 Silicon Graphics, Inc.  All Rights Reserved.
  * Copyright (c) 2009 Wind River Systems, Inc.  All Rights Reserved.
  */
diff --git a/kernel/debug/kdb/kdb_main.c b/kernel/debug/kdb/kdb_main.c
index dddf2b5aad57..314787fb8ce7 100644
--- a/kernel/debug/kdb/kdb_main.c
+++ b/kernel/debug/kdb/kdb_main.c
@@ -1,10 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Kernel Debugger Architecture Independent Main Code
  *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
  * Copyright (C) 1999-2004 Silicon Graphics, Inc.  All Rights Reserved.
  * Copyright (C) 2000 Stephane Eranian <eranian@hpl.hp.com>
  * Xscale (R) modifications copyright (C) 2003 Intel Corporation.
diff --git a/kernel/debug/kdb/kdb_private.h b/kernel/debug/kdb/kdb_private.h
index a2fc7d2bc9fc..92a28b8ab604 100644
--- a/kernel/debug/kdb/kdb_private.h
+++ b/kernel/debug/kdb/kdb_private.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #ifndef _KDBPRIVATE_H
 #define _KDBPRIVATE_H
 
diff --git a/kernel/debug/kdb/kdb_support.c b/kernel/debug/kdb/kdb_support.c
index 56f7b906e7cc..0a2e54e77ce6 100644
--- a/kernel/debug/kdb/kdb_support.c
+++ b/kernel/debug/kdb/kdb_support.c
@@ -1,10 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Kernel Debugger Architecture Independent Support Functions
  *
- * This file is subject to the terms and conditions of the GNU General Public
- * License.  See the file "COPYING" in the main directory of this archive
- * for more details.
- *
  * Copyright (c) 1999-2004 Silicon Graphics, Inc.  All Rights Reserved.
  * Copyright (c) 2009 Wind River Systems, Inc.  All Rights Reserved.
  * 03/02/13    added new 2.5 kallsyms <xavier.bru@bull.net>
diff --git a/kernel/relay.c b/kernel/relay.c
index e36f6b926f7f..6ed6bc929bf9 100644
--- a/kernel/relay.c
+++ b/kernel/relay.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0
 /*
  * Public API and common code for kernel->userspace relay file support.
  *
@@ -9,8 +10,6 @@
  * Moved to kernel/relay.c by Paul Mundt, 2006.
  * November 2006 - CPU hotplug support by Mathieu Desnoyers
  * 	(mathieu.desnoyers@polymtl.ca)
- *
- * This file is released under the GPL.
  */
 #include <linux/errno.h>
 #include <linux/stddef.h>