Merge branch 'drm-sti-next-2015-11-03' of http://git.linaro.org/people/benjamin.gaign...

[karo-tx-linux.git] / arch / s390 / kernel / cache.c

diff --git a/arch/s390/kernel/cache.c b/arch/s390/kernel/cache.c
index bff5e3b6d8223b8f9a9c84d8f99235d3d4e648bc..8ba32436effe4b9da0a271ae1ec0ad2a2bd689e7 100644 (file)
--- 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);