1 files changed, 4 insertions, 0 deletions

diff --git a/arch/x86/xen/enlighten.c b/arch/x86/xen/enlighten.c
index 974a528458a0..e2345af01af0 100644
--- a/arch/x86/xen/enlighten.c
+++ b/arch/x86/xen/enlighten.c
@@ -951,6 +951,10 @@ static const struct pv_info xen_info __initconst = {
         .paravirt_enabled = 1,
         .shared_kernel_pmd = 0,
 
+#ifdef CONFIG_X86_64
+        .extra_user_64bit_cs = FLAT_USER_CS64,
+#endif
+
         .name = "Xen",
 };