diff options
| author | David Hildenbrand <dahi@linux.vnet.ibm.com> | 2016-04-04 15:49:34 +0200 |
|---|---|---|
| committer | Christian Borntraeger <borntraeger@de.ibm.com> | 2016-06-10 12:07:23 +0200 |
| commit | 48ee7d3a7f8f3ca90dfc5e1103e68c0044051acc (patch) | |
| tree | a2dab1a50062c77d7ed5c1adda99d3146349f772 /arch/s390/kvm/kvm-s390.c | |
| parent | 4a5c3e08271216891ce1b5315cec3dcadbd01cd4 (diff) | |
KVM: s390: enable cei only if available
Let's only enable conditional-external-interruption if the facility is
actually available.
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/kvm-s390.c')
| -rw-r--r-- | arch/s390/kvm/kvm-s390.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index 340fb405bc23..1a239a6748fe 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -1845,7 +1845,9 @@ int kvm_arch_vcpu_setup(struct kvm_vcpu *vcpu) if (test_kvm_facility(vcpu->kvm, 8)) vcpu->arch.sie_block->ecb2 |= 0x08; - vcpu->arch.sie_block->eca = 0x81002000U; + vcpu->arch.sie_block->eca = 0x1002000U; + if (sclp.has_cei) + vcpu->arch.sie_block->eca |= 0x80000000U; if (sclp.has_ib) vcpu->arch.sie_block->eca |= 0x40000000U; if (sclp.has_siif) |