To migrate the Multiple Topology Change report, MTCR, we
get it from KVM and save its state in the topology VM State
Description during the presave and restore it to KVM on the
destination during the postload.
The migration state is needed whenever the CPU topology
feature is activated.
Signed-off-by: Pierre Morel <pmorel@linux.ibm.com>
---
@@ -2592,22 +2594,57 @@ static void kvm_s390_set_mtr(uint64_t attr)
.group = KVM_S390_VM_CPU_TOPOLOGY,
.attr = attr,
};
+ int ret;
- int ret = kvm_vm_ioctl(kvm_state, KVM_SET_DEVICE_ATTR, &attribute);
-
+ ret = kvm_vm_ioctl(kvm_state, KVM_SET_DEVICE_ATTR, &attribute);