KVM_IOEVENTFD_FLAG_DATAMATCH 811 virt/kvm/eventfd.c if (args->flags & KVM_IOEVENTFD_FLAG_DATAMATCH) KVM_IOEVENTFD_FLAG_DATAMATCH 864 virt/kvm/eventfd.c bool wildcard = !(args->flags & KVM_IOEVENTFD_FLAG_DATAMATCH); KVM_IOEVENTFD_FLAG_DATAMATCH 931 virt/kvm/eventfd.c if (!args->len && (args->flags & KVM_IOEVENTFD_FLAG_DATAMATCH))