diff options
| author | David Hildenbrand <dahi@linux.vnet.ibm.com> | 2016-04-04 09:53:47 -0400 |
|---|---|---|
| committer | Christian Borntraeger <borntraeger@de.ibm.com> | 2016-06-10 06:07:23 -0400 |
| commit | 873b425e4c2fd0ba6617d67a45fbf119b65575b4 (patch) | |
| tree | 7c791c1e2358c60b2412ed22468480468c31021d /arch/s390/kvm | |
| parent | a0eb55e6318f1bcfe93b01f0944622f14a6b2977 (diff) | |
KVM: s390: enable PFMFI only if available
Let's enable interpretation of PFMFI only if the facility is
actually available. Emulation code still works in case the guest is
offered EDAT-1.
Reviewed-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Diffstat (limited to 'arch/s390/kvm')
| -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 1a239a6748fe..d987eb8af059 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c | |||
| @@ -1843,7 +1843,7 @@ int kvm_arch_vcpu_setup(struct kvm_vcpu *vcpu) | |||
| 1843 | if (test_kvm_facility(vcpu->kvm, 50) && test_kvm_facility(vcpu->kvm, 73)) | 1843 | if (test_kvm_facility(vcpu->kvm, 50) && test_kvm_facility(vcpu->kvm, 73)) |
| 1844 | vcpu->arch.sie_block->ecb |= 0x10; | 1844 | vcpu->arch.sie_block->ecb |= 0x10; |
| 1845 | 1845 | ||
| 1846 | if (test_kvm_facility(vcpu->kvm, 8)) | 1846 | if (test_kvm_facility(vcpu->kvm, 8) && sclp.has_pfmfi) |
| 1847 | vcpu->arch.sie_block->ecb2 |= 0x08; | 1847 | vcpu->arch.sie_block->ecb2 |= 0x08; |
| 1848 | vcpu->arch.sie_block->eca = 0x1002000U; | 1848 | vcpu->arch.sie_block->eca = 0x1002000U; |
| 1849 | if (sclp.has_cei) | 1849 | if (sclp.has_cei) |