KVM: s390: turn on tx even without ctx

Constrained transactional execution is an addon of transactional execution.

Let's enable the assist also if only TX is enabled for the guest.

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>

diff --git a/arch/s390/kvm/kvm-s390.c b/arch/s390/kvm/kvm-s390.c
index 4e764fa..9d0e4d0 100644 (file)
--- a/arch/s390/kvm/kvm-s390.c
+++ b/arch/s390/kvm/kvm-s390.c
@@ -1842,7 +1842,7 @@ int kvm_arch_vcpu_setup(struct kvm_vcpu *vcpu)
                vcpu->arch.sie_block->ecb |= 0x02;
        if (test_kvm_facility(vcpu->kvm, 9))
                vcpu->arch.sie_block->ecb |= 0x04;
-       if (test_kvm_facility(vcpu->kvm, 50) && test_kvm_facility(vcpu->kvm, 73))
+       if (test_kvm_facility(vcpu->kvm, 73))
                vcpu->arch.sie_block->ecb |= 0x10;
 
        if (test_kvm_facility(vcpu->kvm, 8) && sclp.has_pfmfi)