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| author | Christian Borntraeger <borntraeger@de.ibm.com> | 2015-01-29 14:09:54 +0100 |
|---|---|---|
| committer | Christian Borntraeger <borntraeger@de.ibm.com> | 2015-02-09 12:44:10 +0100 |
| commit | c23f397cc4e440742b2b27690694c9346f638800 (patch) | |
| tree | 9a955d5608368fa34d7c0641733f822aa7b5dcf0 | |
| parent | 8e2207cdd087ebb031e9118d1fd0902c6533a5e5 (diff) | |
| download | linux-c23f397cc4e440742b2b27690694c9346f638800.tar.gz linux-c23f397cc4e440742b2b27690694c9346f638800.tar.bz2 linux-c23f397cc4e440742b2b27690694c9346f638800.zip | |
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")
| -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) return -ENOMEM; } memcpy(vfacilities, S390_lowcore.stfle_fac_list, 16); - vfacilities[0] &= 0xff82fffbf47c2000UL; + vfacilities[0] &= 0xff82fffbf4fc2000UL; vfacilities[1] &= 0x005c000000000000UL; return 0; } |