KVM_SYNC_PREFIX
(KVM_SYNC_PREFIX | KVM_SYNC_GPRS | KVM_SYNC_ACRS | KVM_SYNC_CRS | \
vcpu->run->kvm_valid_regs = KVM_SYNC_PREFIX |
if (kvm_run->kvm_dirty_regs & KVM_SYNC_PREFIX)
(KVM_SYNC_PREFIX | KVM_SYNC_GPRS | KVM_SYNC_ACRS | KVM_SYNC_CRS | \