diff options
Diffstat (limited to 'arch/s390/kvm/intercept.c')
| -rw-r--r-- | arch/s390/kvm/intercept.c | 39 |
1 files changed, 2 insertions, 37 deletions
diff --git a/arch/s390/kvm/intercept.c b/arch/s390/kvm/intercept.c index b7d1b2e..f0b8be0 100644 --- a/arch/s390/kvm/intercept.c +++ b/arch/s390/kvm/intercept.c @@ -174,47 +174,12 @@ static int handle_stop(struct kvm_vcpu *vcpu) static int handle_validity(struct kvm_vcpu *vcpu) { - unsigned long vmaddr; int viwhy = vcpu->arch.sie_block->ipb >> 16; - int rc; vcpu->stat.exit_validity++; trace_kvm_s390_intercept_validity(vcpu, viwhy); - if (viwhy == 0x37) { - vmaddr = gmap_fault(vcpu->arch.sie_block->prefix, - vcpu->arch.gmap); - if (IS_ERR_VALUE(vmaddr)) { - rc = -EOPNOTSUPP; - goto out; - } - rc = fault_in_pages_writeable((char __user *) vmaddr, - PAGE_SIZE); - if (rc) { - /* user will receive sigsegv, exit to user */ - rc = -EOPNOTSUPP; - goto out; - } - vmaddr = gmap_fault(vcpu->arch.sie_block->prefix + PAGE_SIZE, - vcpu->arch.gmap); - if (IS_ERR_VALUE(vmaddr)) { - rc = -EOPNOTSUPP; - goto out; - } - rc = fault_in_pages_writeable((char __user *) vmaddr, - PAGE_SIZE); - if (rc) { - /* user will receive sigsegv, exit to user */ - rc = -EOPNOTSUPP; - goto out; - } - } else - rc = -EOPNOTSUPP; - -out: - if (rc) - VCPU_EVENT(vcpu, 2, "unhandled validity intercept code %d", - viwhy); - return rc; + WARN_ONCE(true, "kvm: unhandled validity intercept 0x%x\n", viwhy); + return -EOPNOTSUPP; } static int handle_instruction(struct kvm_vcpu *vcpu) |