diff --git a/arch/x86/kernel/smp.c b/arch/x86/kernel/smp.c
index 04adc8d60aed..4693e2f3a03e 100644
--- a/arch/x86/kernel/smp.c
+++ b/arch/x86/kernel/smp.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *	Intel SMP support routines.
  *
@@ -6,9 +7,6 @@
  *      (c) 2002,2003 Andi Kleen, SuSE Labs.
  *
  *	i386 and x86_64 integration by Glauber Costa <gcosta@redhat.com>
- *
- *	This code is released under the GNU General Public License version 2 or
- *	later.
  */
 
 #include <linux/init.h>
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index 73e69aaaa117..362dd8953f48 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
  /*
  *	x86 SMP booting functions
  *
@@ -12,9 +13,6 @@
  *	Pentium Pro and Pentium-II/Xeon MP machines.
  *	Original development of Linux SMP code supported by Caldera.
  *
- *	This code is released under the GNU General Public License version 2 or
- *	later.
- *
  *	Fixes
  *		Felix Koop	:	NR_CPUS used properly
  *		Jose Renau	:	Handle single CPU case.
diff --git a/arch/x86/platform/uv/tlb_uv.c b/arch/x86/platform/uv/tlb_uv.c
index 1297e185b8c8..0c7dfec4acac 100644
--- a/arch/x86/platform/uv/tlb_uv.c
+++ b/arch/x86/platform/uv/tlb_uv.c
@@ -1,10 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
 /*
  *	SGI UltraViolet TLB flush routines.
  *
  *	(c) 2008-2014 Cliff Wickman <cpw@sgi.com>, SGI.
- *
- *	This code is released under the GNU General Public License version 2 or
- *	later.
  */
 #include <linux/seq_file.h>
 #include <linux/proc_fs.h>