diff --git a/aio.c b/aio.c
index 1239ca7..93e3b8c 100644
--- a/aio.c
+++ b/aio.c
@@ -9,6 +9,8 @@
  * This work is licensed under the terms of the GNU GPL, version 2.  See
  * the COPYING file in the top-level directory.
  *
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
  */
 
 #include "qemu-common.h"
diff --git a/block-migration.c b/block-migration.c
index 2b7edbc..67276bf 100644
--- a/block-migration.c
+++ b/block-migration.c
@@ -9,6 +9,8 @@
  * This work is licensed under the terms of the GNU GPL, version 2.  See
  * the COPYING file in the top-level directory.
  *
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
  */
 
 #include "qemu-common.h"
diff --git a/block/raw-posix-aio.h b/block/raw-posix-aio.h
index dfc63b8..4151ae2 100644
--- a/block/raw-posix-aio.h
+++ b/block/raw-posix-aio.h
@@ -9,6 +9,8 @@
  * This work is licensed under the terms of the GNU GPL, version 2.  See
  * the COPYING file in the top-level directory.
  *
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
  */
 #ifndef QEMU_RAW_POSIX_AIO_H
 #define QEMU_RAW_POSIX_AIO_H
diff --git a/block/rbd.c b/block/rbd.c
index 7a2384c..3f5e50c 100644
--- a/block/rbd.c
+++ b/block/rbd.c
@@ -7,6 +7,8 @@
  * This work is licensed under the terms of the GNU GPL, version 2.  See
  * the COPYING file in the top-level directory.
  *
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
  */
 
 #include <inttypes.h>
diff --git a/block/sheepdog.c b/block/sheepdog.c
index 17a79be..4f1d724 100644
--- a/block/sheepdog.c
+++ b/block/sheepdog.c
@@ -7,6 +7,9 @@
  *
  * You should have received a copy of the GNU General Public License
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
  */
 
 #include "qemu-common.h"
diff --git a/buffered_file.c b/buffered_file.c
index fed9a22..ba9c50c 100644
--- a/buffered_file.c
+++ b/buffered_file.c
@@ -9,6 +9,8 @@
  * This work is licensed under the terms of the GNU GPL, version 2.  See
  * the COPYING file in the top-level directory.
  *
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
  */
 
 #include "qemu-common.h"
diff --git a/compatfd.c b/compatfd.c
index 02306a4..13ea823 100644
--- a/compatfd.c
+++ b/compatfd.c
@@ -9,6 +9,8 @@
  * This work is licensed under the terms of the GNU GPL, version 2.  See
  * the COPYING file in the top-level directory.
  *
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
  */
 
 #include "qemu-common.h"
diff --git a/event_notifier.c b/event_notifier.c
index 2c73555..0b82981 100644
--- a/event_notifier.c
+++ b/event_notifier.c
@@ -6,8 +6,8 @@
  * Authors:
  *  Michael S. Tsirkin <mst@redhat.com>
  *
- * This work is licensed under the terms of the GNU GPL, version 2.  See
- * the COPYING file in the top-level directory.
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
  */
 
 #include "event_notifier.h"
diff --git a/event_notifier.h b/event_notifier.h
index 24117ea..886222c 100644
--- a/event_notifier.h
+++ b/event_notifier.h
@@ -1,3 +1,15 @@
+/*
+ * event notifier support
+ *
+ * Copyright Red Hat, Inc. 2010
+ *
+ * Authors:
+ *  Michael S. Tsirkin <mst@redhat.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
 #ifndef QEMU_EVENT_NOTIFIER_H
 #define QEMU_EVENT_NOTIFIER_H
 
diff --git a/exec-obsolete.h b/exec-obsolete.h
index f8af27e..c412be9 100644
--- a/exec-obsolete.h
+++ b/exec-obsolete.h
@@ -6,8 +6,8 @@
  * Authors:
  *  Avi Kivity <avi@redhat.com>
  *
- * This work is licensed under the terms of the GNU GPL, version 2.  See
- * the COPYING file in the top-level directory.
+ * This work is licensed under the terms of the GNU GPL, version 2 or
+ * later.  See the COPYING file in the top-level directory.
  *
  */
 
diff --git a/hmp.c b/hmp.c
index e7659d5..35dbb9b 100644
--- a/hmp.c
+++ b/hmp.c
@@ -9,6 +9,8 @@
  * This work is licensed under the terms of the GNU GPL, version 2.  See
  * the COPYING file in the top-level directory.
  *
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
  */
 
 #include "hmp.h"
diff --git a/hw/ac97.c b/hw/ac97.c
index 0dbba3b..4cac23f 100644
--- a/hw/ac97.c
+++ b/hw/ac97.c
@@ -12,6 +12,9 @@
  * If you received this file as part of a commercial VirtualBox
  * distribution, then only the terms of your commercial VirtualBox
  * license agreement apply instead of the previous paragraph.
+ *
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
  */
 
 #include "hw.h"
diff --git a/hw/acpi.c b/hw/acpi.c
index 9c35f2d..d21abc9 100644
--- a/hw/acpi.c
+++ b/hw/acpi.c
@@ -14,6 +14,9 @@
  *
  * You should have received a copy of the GNU Lesser General Public
  * License along with this library; if not, see <http://www.gnu.org/licenses/>
+ *
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
  */
 #include "sysemu.h"
 #include "hw.h"
diff --git a/hw/acpi_piix4.c b/hw/acpi_piix4.c
index d9075e6..352194a 100644
--- a/hw/acpi_piix4.c
+++ b/hw/acpi_piix4.c
@@ -14,6 +14,9 @@
  *
  * You should have received a copy of the GNU Lesser General Public
  * License along with this library; if not, see <http://www.gnu.org/licenses/>
+ *
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
  */
 #include "hw.h"
 #include "pc.h"
diff --git a/hw/ads7846.c b/hw/ads7846.c
index 9c58a5f..b611810 100644
--- a/hw/ads7846.c
+++ b/hw/ads7846.c
@@ -5,6 +5,9 @@
  * Written by Andrzej Zaborowski <balrog@zabor.org>
  *
  * This code is licensed under the GNU GPL v2.
+ *
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
  */
 
 #include "ssi.h"
diff --git a/hw/apm.c b/hw/apm.c
index cdda72f..a89dd56 100644
--- a/hw/apm.c
+++ b/hw/apm.c
@@ -15,6 +15,9 @@
  *
  * You should have received a copy of the GNU Lesser General Public
  * License along with this library; if not, see <http://www.gnu.org/licenses/>
+ *
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
  */
 
 #include "apm.h"
diff --git a/hw/bitbang_i2c.c b/hw/bitbang_i2c.c
index 18df411..9a9db88 100644
--- a/hw/bitbang_i2c.c
+++ b/hw/bitbang_i2c.c
@@ -5,6 +5,9 @@
  * Copyright (c) 2008 Jan Kiszka
  *
  * This code is licensed under the GNU GPL v2.
+ *
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
  */
 #include "hw.h"
 #include "bitbang_i2c.h"
diff --git a/hw/bonito.c b/hw/bonito.c
index 04d706a..4f12d09 100644
--- a/hw/bonito.c
+++ b/hw/bonito.c
@@ -5,6 +5,9 @@
  * Copyright (c) 2010 Huacai Chen (zltjiangshi@gmail.com)
  *
  * This code is licensed under the GNU GPL v2.
+ *
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
  */
 
 /*
diff --git a/hw/collie.c b/hw/collie.c
index 8dd6e4e..3609b4c 100644
--- a/hw/collie.c
+++ b/hw/collie.c
@@ -4,6 +4,9 @@
  * Copyright (C) 2011 Dmitry Eremin-Solenikov
  *
  * This code is licensed under GNU GPL v2.
+ *
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
  */
 #include "hw.h"
 #include "sysbus.h"
diff --git a/hw/ds1338.c b/hw/ds1338.c
index 3522af5..137c94d 100644
--- a/hw/ds1338.c
+++ b/hw/ds1338.c
@@ -5,6 +5,9 @@
  * Written by Paul Brook
  *
  * This code is licensed under the GNU GPL v2.
+ *
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
  */
 
 #include "i2c.h"
diff --git a/hw/ecc.c b/hw/ecc.c
index a75408b..f256e59 100644
--- a/hw/ecc.c
+++ b/hw/ecc.c
@@ -6,6 +6,9 @@
  * Written by Andrzej Zaborowski <balrog@zabor.org>
  *
  * This code is licensed under the GNU GPL v2.
+ *
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
  */
 
 #include "hw.h"
diff --git a/hw/framebuffer.c b/hw/framebuffer.c
index b43bcdf..c7a0816 100644
--- a/hw/framebuffer.c
+++ b/hw/framebuffer.c
@@ -5,6 +5,9 @@
  * Written by Paul Brook <paul@codesourcery.com>
  *
  * This code is licensed under the GNU GPLv2.
+ *
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
  */
 
 /* TODO:
diff --git a/hw/gumstix.c b/hw/gumstix.c
index 686a5ed..d70eeb5 100644
--- a/hw/gumstix.c
+++ b/hw/gumstix.c
@@ -6,6 +6,9 @@
  * Code based on spitz platform by Andrzej Zaborowski <balrog@zabor.org>
  *
  * This code is licensed under the GNU GPL v2.
+ *
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
  */
  
 /* 
diff --git a/hw/ivshmem.c b/hw/ivshmem.c
index 1aa9e3b..84912de 100644
--- a/hw/ivshmem.c
+++ b/hw/ivshmem.c
@@ -12,6 +12,9 @@
  *          Copyright (c) 2006 Igor Kovalenko
  *
  * This code is licensed under the GNU GPL v2.
+ *
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
  */
 #include "hw.h"
 #include "pc.h"
diff --git a/hw/kvmclock.c b/hw/kvmclock.c
index 5388bc4..7341624 100644
--- a/hw/kvmclock.c
+++ b/hw/kvmclock.c
@@ -9,6 +9,8 @@
  * This work is licensed under the terms of the GNU GPL version 2.
  * See the COPYING file in the top-level directory.
  *
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
  */
 
 #include "qemu-common.h"
diff --git a/hw/lan9118.c b/hw/lan9118.c
index 7e64c5d..98252ee 100644
--- a/hw/lan9118.c
+++ b/hw/lan9118.c
@@ -5,6 +5,9 @@
  * Written by Paul Brook
  *
  * This code is licensed under the GNU GPL v2
+ *
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
  */
 
 #include "sysbus.h"
diff --git a/hw/mainstone.c b/hw/mainstone.c
index c914a4e..db2cee8 100644
--- a/hw/mainstone.c
+++ b/hw/mainstone.c
@@ -7,6 +7,9 @@
  * Code based on spitz platform by Andrzej Zaborowski <balrog@zabor.org>
  *
  * This code is licensed under the GNU GPL v2.
+ *
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
  */
 #include "hw.h"
 #include "pxa.h"
diff --git a/hw/marvell_88w8618_audio.c b/hw/marvell_88w8618_audio.c
index 855b792..394c029 100644
--- a/hw/marvell_88w8618_audio.c
+++ b/hw/marvell_88w8618_audio.c
@@ -5,6 +5,9 @@
  * Copyright (c) 2008 Jan Kiszka
  *
  * This code is licensed under the GNU GPL v2.
+ *
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
  */
 #include "sysbus.h"
 #include "hw.h"
diff --git a/hw/max111x.c b/hw/max111x.c
index 70cd1af..6ceb9e6 100644
--- a/hw/max111x.c
+++ b/hw/max111x.c
@@ -5,6 +5,9 @@
  * Written by Andrzej Zaborowski <balrog@zabor.org>
  *
  * This code is licensed under the GNU GPLv2.
+ *
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
  */
 
 #include "ssi.h"
diff --git a/hw/mips_fulong2e.c b/hw/mips_fulong2e.c
index 94ef1df..b0ccf3a 100644
--- a/hw/mips_fulong2e.c
+++ b/hw/mips_fulong2e.c
@@ -5,6 +5,9 @@
  * Copyright (c) 2009 chenming (chenming@rdc.faw.com.cn)
  * Copyright (c) 2010 Huacai Chen (zltjiangshi@gmail.com)
  * This code is licensed under the GNU GPL v2.
+ *
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
  */
 
 /*
diff --git a/hw/msix.c b/hw/msix.c
index 149eed2..e132312 100644
--- a/hw/msix.c
+++ b/hw/msix.c
@@ -9,6 +9,9 @@
  *
  * This work is licensed under the terms of the GNU GPL, version 2.  See
  * the COPYING file in the top-level directory.
+ *
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
  */
 
 #include "hw.h"
diff --git a/hw/mst_fpga.c b/hw/mst_fpga.c
index 9324702..7158791 100644
--- a/hw/mst_fpga.c
+++ b/hw/mst_fpga.c
@@ -6,6 +6,9 @@
  *                                    <akuster@mvista.com>
  *
  * This code is licensed under the GNU GPL v2.
+ *
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
  */
 #include "hw.h"
 #include "sysbus.h"
diff --git a/hw/musicpal.c b/hw/musicpal.c
index a01e3d2..ab75df2 100644
--- a/hw/musicpal.c
+++ b/hw/musicpal.c
@@ -4,6 +4,9 @@
  * Copyright (c) 2008 Jan Kiszka
  *
  * This code is licensed under the GNU GPL v2.
+ *
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
  */
 
 #include "sysbus.h"
diff --git a/hw/nand.c b/hw/nand.c
index 7f25814..c82e125 100644
--- a/hw/nand.c
+++ b/hw/nand.c
@@ -11,6 +11,9 @@
  * from ST Microelectronics.
  *
  * This code is licensed under the GNU GPL v2.
+ *
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
  */
 
 #ifndef NAND_IO
diff --git a/hw/pl031.c b/hw/pl031.c
index a007ff0..ba75aae 100644
--- a/hw/pl031.c
+++ b/hw/pl031.c
@@ -7,6 +7,8 @@
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
  *
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
  */
 
 #include "sysbus.h"
diff --git a/hw/pxa2xx_keypad.c b/hw/pxa2xx_keypad.c
index f86323f..5cae595 100644
--- a/hw/pxa2xx_keypad.c
+++ b/hw/pxa2xx_keypad.c
@@ -6,6 +6,9 @@
  *              or  <Akuster@mvista.com>
  *
  * This code is licensed under the GPLv2.
+ *
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
  */
 
 #include "hw.h"
diff --git a/hw/pxa2xx_lcd.c b/hw/pxa2xx_lcd.c
index 5dd4ef0..a518237 100644
--- a/hw/pxa2xx_lcd.c
+++ b/hw/pxa2xx_lcd.c
@@ -5,6 +5,9 @@
  * Written by Andrzej Zaborowski <balrog@zabor.org>
  *
  * This code is licensed under the GPLv2.
+ *
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
  */
 
 #include "hw.h"
diff --git a/hw/pxa2xx_mmci.c b/hw/pxa2xx_mmci.c
index f47c79c..a62fdd8 100644
--- a/hw/pxa2xx_mmci.c
+++ b/hw/pxa2xx_mmci.c
@@ -5,6 +5,9 @@
  * Written by Andrzej Zaborowski <balrog@zabor.org>
  *
  * This code is licensed under the GPLv2.
+ *
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
  */
 
 #include "hw.h"
diff --git a/hw/pxa2xx_pcmcia.c b/hw/pxa2xx_pcmcia.c
index dc522dc..24f1bc6 100644
--- a/hw/pxa2xx_pcmcia.c
+++ b/hw/pxa2xx_pcmcia.c
@@ -5,6 +5,9 @@
  * Written by Andrzej Zaborowski <balrog@zabor.org>
  *
  * This code is licensed under the GPLv2.
+ *
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
  */
 
 #include "hw.h"
diff --git a/hw/smbios.c b/hw/smbios.c
index c9ba43e..61b6546 100644
--- a/hw/smbios.c
+++ b/hw/smbios.c
@@ -9,6 +9,8 @@
  * This work is licensed under the terms of the GNU GPL, version 2.  See
  * the COPYING file in the top-level directory.
  *
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
  */
 
 #include "sysemu.h"
diff --git a/hw/spitz.c b/hw/spitz.c
index 82a133d..c050a9e 100644
--- a/hw/spitz.c
+++ b/hw/spitz.c
@@ -5,6 +5,9 @@
  * Written by Andrzej Zaborowski <balrog@zabor.org>
  *
  * This code is licensed under the GNU GPL v2.
+ *
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
  */
 
 #include "hw.h"
diff --git a/hw/ssi-sd.c b/hw/ssi-sd.c
index 18dabd6..d57747e 100644
--- a/hw/ssi-sd.c
+++ b/hw/ssi-sd.c
@@ -5,6 +5,9 @@
  * Written by Paul Brook
  *
  * This code is licensed under the GNU GPL v2.
+ *
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
  */
 
 #include "blockdev.h"
diff --git a/hw/ssi.c b/hw/ssi.c
index 9842fe7..b52bfb9 100644
--- a/hw/ssi.c
+++ b/hw/ssi.c
@@ -5,6 +5,9 @@
  * Written by Paul Brook
  *
  * This code is licensed under the GNU GPL v2.
+ *
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
  */
 
 #include "ssi.h"
diff --git a/hw/strongarm.c b/hw/strongarm.c
index 69c1179..74a75a8 100644
--- a/hw/strongarm.c
+++ b/hw/strongarm.c
@@ -22,6 +22,9 @@
  *
  *  You should have received a copy of the GNU General Public License along
  *  with this program; if not, see <http://www.gnu.org/licenses/>.
+ *
+ *  Contributions after 2012-01-13 are licensed under the terms of the
+ *  GNU GPL, version 2 or (at your option) any later version.
  */
 #include "sysbus.h"
 #include "strongarm.h"
diff --git a/hw/tc6393xb.c b/hw/tc6393xb.c
index b75fa60..9fa1fa3 100644
--- a/hw/tc6393xb.c
+++ b/hw/tc6393xb.c
@@ -6,6 +6,9 @@
  * Most features are currently unsupported!!!
  *
  * This code is licensed under the GNU GPL v2.
+ *
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
  */
 #include "hw.h"
 #include "devices.h"
diff --git a/hw/tosa.c b/hw/tosa.c
index 6bbc6dc..3697dd7 100644
--- a/hw/tosa.c
+++ b/hw/tosa.c
@@ -6,6 +6,9 @@
  *
  * Code based on spitz platform by Andrzej Zaborowski <balrog@zabor.org>
  * This code is licensed under the GNU GPL v2.
+ *
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
  */
 
 #include "hw.h"
diff --git a/hw/vexpress.c b/hw/vexpress.c
index c9ca43c..6f47a33 100644
--- a/hw/vexpress.c
+++ b/hw/vexpress.c
@@ -16,6 +16,9 @@
  *
  *  You should have received a copy of the GNU General Public License along
  *  with this program; if not, see <http://www.gnu.org/licenses/>.
+ *
+ *  Contributions after 2012-01-13 are licensed under the terms of the
+ *  GNU GPL, version 2 or (at your option) any later version.
  */
 
 #include "sysbus.h"
diff --git a/hw/vhost.c b/hw/vhost.c
index 19a7b5c..ad9d7c4 100644
--- a/hw/vhost.c
+++ b/hw/vhost.c
@@ -8,6 +8,9 @@
  *
  * This work is licensed under the terms of the GNU GPL, version 2.  See
  * the COPYING file in the top-level directory.
+ *
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
  */
 
 #include <sys/ioctl.h>
diff --git a/hw/vhost_net.c b/hw/vhost_net.c
index 950a6b8..625c6e7 100644
--- a/hw/vhost_net.c
+++ b/hw/vhost_net.c
@@ -8,6 +8,9 @@
  *
  * This work is licensed under the terms of the GNU GPL, version 2.  See
  * the COPYING file in the top-level directory.
+ *
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
  */
 
 #include "net.h"
diff --git a/hw/virtio-pci.c b/hw/virtio-pci.c
index 77b75bc..22d4054 100644
--- a/hw/virtio-pci.c
+++ b/hw/virtio-pci.c
@@ -11,6 +11,8 @@
  * This work is licensed under the terms of the GNU GPL, version 2.  See
  * the COPYING file in the top-level directory.
  *
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
  */
 
 #include <inttypes.h>
diff --git a/hw/virtio-serial-bus.c b/hw/virtio-serial-bus.c
index 3a9004a..31c796e 100644
--- a/hw/virtio-serial-bus.c
+++ b/hw/virtio-serial-bus.c
@@ -13,6 +13,9 @@
  *
  * This work is licensed under the terms of the GNU GPL, version 2.  See
  * the COPYING file in the top-level directory.
+ *
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
  */
 
 #include "iov.h"
diff --git a/hw/vt82c686.c b/hw/vt82c686.c
index 038128b..2a9907f 100644
--- a/hw/vt82c686.c
+++ b/hw/vt82c686.c
@@ -5,6 +5,9 @@
  * Copyright (c) 2009 chenming (chenming@rdc.faw.com.cn)
  * Copyright (c) 2010 Huacai Chen (zltjiangshi@gmail.com)
  * This code is licensed under the GNU GPL v2.
+ *
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
  */
 
 #include "hw.h"
diff --git a/hw/xen_backend.c b/hw/xen_backend.c
index d876cab..978d664 100644
--- a/hw/xen_backend.c
+++ b/hw/xen_backend.c
@@ -13,6 +13,9 @@
  *
  *  You should have received a copy of the GNU General Public License along
  *  with this program; if not, see <http://www.gnu.org/licenses/>.
+ *
+ *  Contributions after 2012-01-13 are licensed under the terms of the
+ *  GNU GPL, version 2 or (at your option) any later version.
  */
 
 /*
diff --git a/hw/xen_disk.c b/hw/xen_disk.c
index 192e817..2c81afe 100644
--- a/hw/xen_disk.c
+++ b/hw/xen_disk.c
@@ -14,6 +14,9 @@
  *
  *  You should have received a copy of the GNU General Public License along
  *  with this program; if not, see <http://www.gnu.org/licenses/>.
+ *
+ *  Contributions after 2012-01-13 are licensed under the terms of the
+ *  GNU GPL, version 2 or (at your option) any later version.
  */
 
 #include <stdio.h>
diff --git a/hw/xen_nic.c b/hw/xen_nic.c
index ef2a2d6..e7669b8 100644
--- a/hw/xen_nic.c
+++ b/hw/xen_nic.c
@@ -14,6 +14,9 @@
  *
  *  You should have received a copy of the GNU General Public License along
  *  with this program; if not, see <http://www.gnu.org/licenses/>.
+ *
+ *  Contributions after 2012-01-13 are licensed under the terms of the
+ *  GNU GPL, version 2 or (at your option) any later version.
  */
 
 #include <stdio.h>
diff --git a/hw/z2.c b/hw/z2.c
index a03bb33..3df3fb2 100644
--- a/hw/z2.c
+++ b/hw/z2.c
@@ -6,6 +6,9 @@
  * Code is based on mainstone platform.
  *
  * This code is licensed under the GNU GPL v2.
+ *
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
  */
 
 #include "hw.h"
diff --git a/iov.c b/iov.c
index e7385c4..e4952a0 100644
--- a/iov.c
+++ b/iov.c
@@ -10,6 +10,9 @@
  *
  * This work is licensed under the terms of the GNU GPL, version 2.  See
  * the COPYING file in the top-level directory.
+ *
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
  */
 
 #include "iov.h"
diff --git a/memory.c b/memory.c
index 5ab2112..d58ccad 100644
--- a/memory.c
+++ b/memory.c
@@ -9,6 +9,8 @@
  * This work is licensed under the terms of the GNU GPL, version 2.  See
  * the COPYING file in the top-level directory.
  *
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
  */
 
 #include "memory.h"
diff --git a/migration-exec.c b/migration-exec.c
index e14552e..416e4c7 100644
--- a/migration-exec.c
+++ b/migration-exec.c
@@ -11,6 +11,8 @@
  * This work is licensed under the terms of the GNU GPL, version 2.  See
  * the COPYING file in the top-level directory.
  *
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
  */
 
 #include "qemu-common.h"
diff --git a/migration-fd.c b/migration-fd.c
index 6211124..1e4fafc 100644
--- a/migration-fd.c
+++ b/migration-fd.c
@@ -9,6 +9,8 @@
  * This work is licensed under the terms of the GNU GPL, version 2.  See
  * the COPYING file in the top-level directory.
  *
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
  */
 
 #include "qemu-common.h"
diff --git a/migration-tcp.c b/migration-tcp.c
index cf6a9b8..77ac4cb 100644
--- a/migration-tcp.c
+++ b/migration-tcp.c
@@ -9,6 +9,8 @@
  * This work is licensed under the terms of the GNU GPL, version 2.  See
  * the COPYING file in the top-level directory.
  *
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
  */
 
 #include "qemu-common.h"
diff --git a/migration-unix.c b/migration-unix.c
index dfcf203..9236bda 100644
--- a/migration-unix.c
+++ b/migration-unix.c
@@ -9,6 +9,8 @@
  * This work is licensed under the terms of the GNU GPL, version 2.  See
  * the COPYING file in the top-level directory.
  *
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
  */
 
 #include "qemu-common.h"
diff --git a/migration.c b/migration.c
index 412fdfe..5e16080 100644
--- a/migration.c
+++ b/migration.c
@@ -9,6 +9,8 @@
  * This work is licensed under the terms of the GNU GPL, version 2.  See
  * the COPYING file in the top-level directory.
  *
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
  */
 
 #include "qemu-common.h"
diff --git a/module.c b/module.c
index 91f0e61..d4a8e56 100644
--- a/module.c
+++ b/module.c
@@ -9,6 +9,8 @@
  * This work is licensed under the terms of the GNU GPL, version 2.  See
  * the COPYING file in the top-level directory.
  *
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
  */
 
 #include "qemu-common.h"
diff --git a/net/checksum.c b/net/checksum.c
index 4046932..7156bc4 100644
--- a/net/checksum.c
+++ b/net/checksum.c
@@ -13,6 +13,9 @@
  *
  *  You should have received a copy of the GNU General Public License
  *  along with this program; if not, see <http://www.gnu.org/licenses/>.
+ *
+ *  Contributions after 2012-01-13 are licensed under the terms of the
+ *  GNU GPL, version 2 or (at your option) any later version.
  */
 
 #include "net/checksum.h"
diff --git a/notify.c b/notify.c
index a6bac1f..2d84f55 100644
--- a/notify.c
+++ b/notify.c
@@ -9,6 +9,8 @@
  * This work is licensed under the terms of the GNU GPL, version 2.  See
  * the COPYING file in the top-level directory.
  *
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
  */
 
 #include "qemu-common.h"
diff --git a/pflib.c b/pflib.c
index 64cb2b3..5d50452 100644
--- a/pflib.c
+++ b/pflib.c
@@ -6,6 +6,8 @@
  * This work is licensed under the terms of the GNU GPL, version 2.  See
  * the COPYING file in the top-level directory.
  *
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
  */
 #include "qemu-common.h"
 #include "console.h"
diff --git a/posix-aio-compat.c b/posix-aio-compat.c
index cccb673..f2a1df6 100644
--- a/posix-aio-compat.c
+++ b/posix-aio-compat.c
@@ -9,6 +9,8 @@
  * This work is licensed under the terms of the GNU GPL, version 2.  See
  * the COPYING file in the top-level directory.
  *
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
  */
 
 #include <sys/ioctl.h>
diff --git a/qemu-tool.c b/qemu-tool.c
index 226b6e8..f044f7e 100644
--- a/qemu-tool.c
+++ b/qemu-tool.c
@@ -9,6 +9,8 @@
  * This work is licensed under the terms of the GNU GPL, version 2.  See
  * the COPYING file in the top-level directory.
  *
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
  */
 
 #include "qemu-common.h"
diff --git a/qmp.c b/qmp.c
index 5e09b41..72d690f 100644
--- a/qmp.c
+++ b/qmp.c
@@ -9,6 +9,8 @@
  * This work is licensed under the terms of the GNU GPL, version 2.  See
  * the COPYING file in the top-level directory.
  *
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
  */
 
 #include "qemu-common.h"
diff --git a/xen-all.c b/xen-all.c
index c86ebf4..155cfac 100644
--- a/xen-all.c
+++ b/xen-all.c
@@ -4,6 +4,8 @@
  * This work is licensed under the terms of the GNU GPL, version 2.  See
  * the COPYING file in the top-level directory.
  *
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
  */
 
 #include <sys/mman.h>
diff --git a/xen-mapcache.c b/xen-mapcache.c
index 9fecc64..a65d12c 100644
--- a/xen-mapcache.c
+++ b/xen-mapcache.c
@@ -4,6 +4,8 @@
  * This work is licensed under the terms of the GNU GPL, version 2.  See
  * the COPYING file in the top-level directory.
  *
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
  */
 
 #include "config.h"
diff --git a/xen-stub.c b/xen-stub.c
index d403d86..8a0ba7b 100644
--- a/xen-stub.c
+++ b/xen-stub.c
@@ -4,6 +4,8 @@
  * This work is licensed under the terms of the GNU GPL, version 2.  See
  * the COPYING file in the top-level directory.
  *
+ * Contributions after 2012-01-13 are licensed under the terms of the
+ * GNU GPL, version 2 or (at your option) any later version.
  */
 
 #include "qemu-common.h"
