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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-08-10 10:01:33 -0700
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-08-10 10:01:33 -0700
commite6bbe1d05353a29628a4ca72d88bac0bdcec5f38 (patch)
treed662a065cfa9f0e32145887e46947d29a89d9f9d /arch/s390/kernel/cache.c
parent7e34d70a7163b236f520ef4fc0d7c50093dd3746 (diff)
parentf7644cbfcdf03528f0f450f3940c4985b2291f49 (diff)
downloadlinux-e6bbe1d05353a29628a4ca72d88bac0bdcec5f38.tar.bz2
Merge 4.2-rc6 into usb-next
We want the USB fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/s390/kernel/cache.c')
-rw-r--r--arch/s390/kernel/cache.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/s390/kernel/cache.c b/arch/s390/kernel/cache.c
index bff5e3b6d822..8ba32436effe 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);