usrbuf           2096 arch/s390/kvm/interrupt.c static int get_all_floating_irqs(struct kvm *kvm, u8 __user *usrbuf, u64 len)
usrbuf           2177 arch/s390/kvm/interrupt.c 		if (copy_to_user(usrbuf, buf, sizeof(struct kvm_s390_irq) * n))