Kernel bump from 4.1.3-rt to 4.1.7-rt.

[kvmfornfv.git] / kernel / arch / s390 / kernel / cache.c

diff --git a/kernel/arch/s390/kernel/cache.c b/kernel/arch/s390/kernel/cache.c
index bff5e3b..8ba3243 100644 (file)
--- a/kernel/arch/s390/kernel/cache.c
+++ b/kernel/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);