Commit c23f397c authored Jan 29, 2015 by Christian Borntraeger

KVM: s390: reenable LPP facility

commit 7be81a46 ("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: 7be81a46 ("KVM: s390/facilities: allow TOD-CLOCK steering")

parent 8e2207cd

arch/s390/kvm/kvm-s390.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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;
		}

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