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-rw-r--r--arch/x86/xen/vdso.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/xen/vdso.h b/arch/x86/xen/vdso.h
index 861fedfe5230..873c54c488fe 100644
--- a/arch/x86/xen/vdso.h
+++ b/arch/x86/xen/vdso.h
@@ -1,3 +1,5 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
/* Bit used for the pseudo-hwcap for non-negative segments. We use
bit 1 to avoid bugs in some versions of glibc when bit 0 is
used; the choice is otherwise arbitrary. */