kvm_irqfd_exit 608 include/linux/kvm_host.h void kvm_irqfd_exit(void); kvm_irqfd_exit 4496 virt/kvm/kvm_main.c kvm_irqfd_exit(); kvm_irqfd_exit 4516 virt/kvm/kvm_main.c kvm_irqfd_exit();