diff options
| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-08-13 01:32:17 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2015-08-13 14:23:33 -0300 |
| commit | 0a2bb03fe20f81dc4cac96d7fe0e4194ae6efffd (patch) | |
| tree | f643c68f37c9aa9e2e0b1623b363777c125350df /arch/s390/kernel/cache.c | |
| parent | c49e505b3486503302e30c4237821bece90b4c2d (diff) | |
Linux-libre 4.1.5-gnupck-4.1.5-gnu
Diffstat (limited to 'arch/s390/kernel/cache.c')
| -rw-r--r-- | arch/s390/kernel/cache.c | 2 |
1 files changed, 2 insertions, 0 deletions
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); |