diff options
author | Christian Borntraeger <borntraeger@de.ibm.com> | 2015-01-29 08:09:54 -0500 |
---|---|---|
committer | Christian Borntraeger <borntraeger@de.ibm.com> | 2015-02-09 06:44:10 -0500 |
commit | c23f397cc4e440742b2b27690694c9346f638800 (patch) | |
tree | 9a955d5608368fa34d7c0641733f822aa7b5dcf0 /arch | |
parent | 8e2207cdd087ebb031e9118d1fd0902c6533a5e5 (diff) |
KVM: s390: reenable LPP facility
commit 7be81a46695d ("KVM: s390/facilities: allow TOD-CLOCK steering
facility bit") accidentially disabled the "load program parameter"
facility bit during rebase for upstream submission (my fault).
Re-add that bit.
As this is only for a performance measurement helper instruction
(used by KVM itself) cc stable is not necessary see
http://www-01.ibm.com/support/docview.wss?uid=isg26fcd1cc32246f4c8852574ce0044734a
(SA23-2260 The Load-Program-Parameter and CPU-Measurement Facilities)
for details about LPP and its usecase.
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Reviewed-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Fixes: 7be81a46695d ("KVM: s390/facilities: allow TOD-CLOCK steering")
Diffstat (limited to 'arch')
-rw-r--r-- | arch/s390/kvm/kvm-s390.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index 1dbab2340a66..3acf08ba88e4 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c | |||
@@ -2074,7 +2074,7 @@ static int __init kvm_s390_init(void) | |||
2074 | return -ENOMEM; | 2074 | return -ENOMEM; |
2075 | } | 2075 | } |
2076 | memcpy(vfacilities, S390_lowcore.stfle_fac_list, 16); | 2076 | memcpy(vfacilities, S390_lowcore.stfle_fac_list, 16); |
2077 | vfacilities[0] &= 0xff82fffbf47c2000UL; | 2077 | vfacilities[0] &= 0xff82fffbf4fc2000UL; |
2078 | vfacilities[1] &= 0x005c000000000000UL; | 2078 | vfacilities[1] &= 0x005c000000000000UL; |
2079 | return 0; | 2079 | return 0; |
2080 | } | 2080 | } |