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| author | Janosch Frank <frankja@linux.vnet.ibm.com> | 2016-08-04 09:57:36 +0200 |
|---|---|---|
| committer | Christian Borntraeger <borntraeger@de.ibm.com> | 2017-01-30 11:17:28 +0100 |
| commit | cd1836f583d78bdd15ef748f4d85bf007569c7ad (patch) | |
| tree | ae8d9a7818721f5e006d19d8ea538bb4089cce0b /arch/s390/kvm/kvm-s390.c | |
| parent | a679c547d19ded9b7d1a88e17cf5e5b69ac619b6 (diff) | |
| download | op-kernel-dev-cd1836f583d78bdd15ef748f4d85bf007569c7ad.zip op-kernel-dev-cd1836f583d78bdd15ef748f4d85bf007569c7ad.tar.gz | |
KVM: s390: instruction-execution-protection support
The new Instruction Execution Protection needs to be enabled before
the guest can use it. Therefore we pass the IEP facility bit to the
guest and enable IEP interpretation.
Signed-off-by: Janosch Frank <frankja@linux.vnet.ibm.com>
Reviewed-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 | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c index bec71e9..e513081 100644 --- a/arch/s390/kvm/kvm-s390.c +++ b/arch/s390/kvm/kvm-s390.c @@ -1938,6 +1938,8 @@ int kvm_arch_vcpu_setup(struct kvm_vcpu *vcpu) if (test_kvm_facility(vcpu->kvm, 8) && sclp.has_pfmfi) vcpu->arch.sie_block->ecb2 |= 0x08; + if (test_kvm_facility(vcpu->kvm, 130)) + vcpu->arch.sie_block->ecb2 |= 0x20; vcpu->arch.sie_block->eca = 0x1002000U; if (sclp.has_cei) vcpu->arch.sie_block->eca |= 0x80000000U; |
