diff --git a/arch/arm/xen/efi.c b/arch/arm/xen/efi.c
index b4d78959cadf..bc9a37b3cecd 100644
--- a/arch/arm/xen/efi.c
+++ b/arch/arm/xen/efi.c
@@ -31,7 +31,9 @@ void __init xen_efi_runtime_setup(void)
 	efi.get_variable             = xen_efi_get_variable;
 	efi.get_next_variable        = xen_efi_get_next_variable;
 	efi.set_variable             = xen_efi_set_variable;
+	efi.set_variable_nonblocking = xen_efi_set_variable;
 	efi.query_variable_info      = xen_efi_query_variable_info;
+	efi.query_variable_info_nonblocking = xen_efi_query_variable_info;
 	efi.update_capsule           = xen_efi_update_capsule;
 	efi.query_capsule_caps       = xen_efi_query_capsule_caps;
 	efi.get_next_high_mono_count = xen_efi_get_next_high_mono_count;
diff --git a/arch/x86/xen/efi.c b/arch/x86/xen/efi.c
index a18703be9ead..4769a069d5bd 100644
--- a/arch/x86/xen/efi.c
+++ b/arch/x86/xen/efi.c
@@ -77,7 +77,9 @@ static efi_system_table_t __init *xen_efi_probe(void)
 	efi.get_variable             = xen_efi_get_variable;
 	efi.get_next_variable        = xen_efi_get_next_variable;
 	efi.set_variable             = xen_efi_set_variable;
+	efi.set_variable_nonblocking = xen_efi_set_variable;
 	efi.query_variable_info      = xen_efi_query_variable_info;
+	efi.query_variable_info_nonblocking = xen_efi_query_variable_info;
 	efi.update_capsule           = xen_efi_update_capsule;
 	efi.query_capsule_caps       = xen_efi_query_capsule_caps;
 	efi.get_next_high_mono_count = xen_efi_get_next_high_mono_count;