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-rw-r--r--arch/x86/xen/smp.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/x86/xen/smp.h b/arch/x86/xen/smp.h
index 87d3c76cba37..bd02f9d50107 100644
--- a/arch/x86/xen/smp.h
+++ b/arch/x86/xen/smp.h
@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _XEN_SMP_H
#ifdef CONFIG_SMP