diff --git a/src/arch/power/linux/se_workload.cc b/src/arch/power/linux/se_workload.cc
index 869b140c21..7e2b22cfaa 100644
--- a/src/arch/power/linux/se_workload.cc
+++ b/src/arch/power/linux/se_workload.cc
@@ -1,4 +1,7 @@
 /*
+ * Copyright 2003-2005 The Regents of The University of Michigan
+ * Copyright 2007-2008 The Florida State University
+ * Copyright 2009 The University of Edinburgh
  * Copyright 2020 Google Inc.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/arch/power/linux/se_workload.hh b/src/arch/power/linux/se_workload.hh
index c306b994e1..ac20e5d579 100644
--- a/src/arch/power/linux/se_workload.hh
+++ b/src/arch/power/linux/se_workload.hh
@@ -1,4 +1,6 @@
 /*
+ * Copyright 2007-2008 The Florida State University
+ * Copyright 2009 The University of Edinburgh
  * Copyright 2020 Google Inc.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/arch/sparc/linux/se_workload.cc b/src/arch/sparc/linux/se_workload.cc
index 7b652ff018..75f74cf658 100644
--- a/src/arch/sparc/linux/se_workload.cc
+++ b/src/arch/sparc/linux/se_workload.cc
@@ -1,4 +1,5 @@
 /*
+ * Copyright 2003-2005 The Regents of The University of Michigan
  * Copyright 2020 Google Inc.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/arch/sparc/linux/se_workload.hh b/src/arch/sparc/linux/se_workload.hh
index a5022d6f9f..60a4be67c1 100644
--- a/src/arch/sparc/linux/se_workload.hh
+++ b/src/arch/sparc/linux/se_workload.hh
@@ -1,4 +1,5 @@
 /*
+ * Copyright 2003-2004 The Regents of The University of Michigan
  * Copyright 2020 Google Inc.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/arch/x86/linux/se_workload.cc b/src/arch/x86/linux/se_workload.cc
index 1e56371036..f4a71cf853 100644
--- a/src/arch/x86/linux/se_workload.cc
+++ b/src/arch/x86/linux/se_workload.cc
@@ -1,4 +1,15 @@
 /*
+ * Copyright 2007 The Hewlett-Packard Development Company
+ *
+ * The license below extends only to copyright in the software and shall
+ * not be construed as granting a license to any other intellectual
+ * property including but not limited to intellectual property relating
+ * to a hardware implementation of the functionality of the software
+ * licensed hereunder.  You may use the software subject to the license
+ * terms below provided that you ensure that this notice is replicated
+ * unmodified and in its entirety in all distributions of the software,
+ * modified or unmodified, in source code or in binary form.
+ *
  * Copyright 2020 Google Inc.
  *
  * Redistribution and use in source and binary forms, with or without
diff --git a/src/arch/x86/linux/se_workload.hh b/src/arch/x86/linux/se_workload.hh
index ee1805c589..01d34ec9b7 100644
--- a/src/arch/x86/linux/se_workload.hh
+++ b/src/arch/x86/linux/se_workload.hh
@@ -1,4 +1,15 @@
 /*
+ * Copyright 2007 The Hewlett-Packard Development Company
+ *
+ * The license below extends only to copyright in the software and shall
+ * not be construed as granting a license to any other intellectual
+ * property including but not limited to intellectual property relating
+ * to a hardware implementation of the functionality of the software
+ * licensed hereunder.  You may use the software subject to the license
+ * terms below provided that you ensure that this notice is replicated
+ * unmodified and in its entirety in all distributions of the software,
+ * modified or unmodified, in source code or in binary form.
+ *
  * Copyright 2020 Google Inc.
  *
  * Redistribution and use in source and binary forms, with or without