From 0a2bb03fe20f81dc4cac96d7fe0e4194ae6efffd Mon Sep 17 00:00:00 2001
From: André Fabian Silva Delgado <emulatorman@parabola.nu>
Date: Thu, 13 Aug 2015 01:32:17 -0300
Subject: Linux-libre 4.1.5-gnu

---
 arch/s390/kernel/cache.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'arch/s390/kernel/cache.c')

diff --git a/arch/s390/kernel/cache.c b/arch/s390/kernel/cache.c
index bff5e3b6d..8ba32436e 100644
--- a/arch/s390/kernel/cache.c
+++ b/arch/s390/kernel/cache.c
@@ -138,6 +138,8 @@ int init_cache_level(unsigned int cpu)
 	union cache_topology ct;
 	enum cache_type ctype;
 
+	if (!test_facility(34))
+		return -EOPNOTSUPP;
 	if (!this_cpu_ci)
 		return -EINVAL;
 	ct.raw = ecag(EXTRACT_TOPOLOGY, 0, 0);
-- 
cgit v1.2.3-54-g00ecf