54 	if (!irqfd->resampler) {  in irqfd_inject()
72 	struct kvm_kernel_irqfd_resampler *resampler;  in irqfd_resampler_ack()  local
77 	resampler = container_of(kian,  in irqfd_resampler_ack()
79 	kvm = resampler->kvm;  in irqfd_resampler_ack()
82 		    resampler->notifier.gsi, 0, false);  in irqfd_resampler_ack()
86 	list_for_each_entry_rcu(irqfd, &resampler->list, resampler_link)  in irqfd_resampler_ack()
95 	struct kvm_kernel_irqfd_resampler *resampler = irqfd->resampler;  in irqfd_resampler_shutdown()  local
96 	struct kvm *kvm = resampler->kvm;  in irqfd_resampler_shutdown()
103 	if (list_empty(&resampler->list)) {  in irqfd_resampler_shutdown()
104 		list_del(&resampler->link);  in irqfd_resampler_shutdown()
105 		kvm_unregister_irq_ack_notifier(kvm, &resampler->notifier);  in irqfd_resampler_shutdown()
107 			    resampler->notifier.gsi, 0, false);  in irqfd_resampler_shutdown()
108 		kfree(resampler);  in irqfd_resampler_shutdown()
140 	if (irqfd->resampler) {  in irqfd_shutdown()
326 		struct kvm_kernel_irqfd_resampler *resampler;  in kvm_irqfd_assign()  local
339 		list_for_each_entry(resampler,  in kvm_irqfd_assign()
341 			if (resampler->notifier.gsi == irqfd->gsi) {  in kvm_irqfd_assign()
342 				irqfd->resampler = resampler;  in kvm_irqfd_assign()
347 		if (!irqfd->resampler) {  in kvm_irqfd_assign()
348 			resampler = kzalloc(sizeof(*resampler), GFP_KERNEL);  in kvm_irqfd_assign()
349 			if (!resampler) {  in kvm_irqfd_assign()
355 			resampler->kvm = kvm;  in kvm_irqfd_assign()
356 			INIT_LIST_HEAD(&resampler->list);  in kvm_irqfd_assign()
357 			resampler->notifier.gsi = irqfd->gsi;  in kvm_irqfd_assign()
358 			resampler->notifier.irq_acked = irqfd_resampler_ack;  in kvm_irqfd_assign()
359 			INIT_LIST_HEAD(&resampler->link);  in kvm_irqfd_assign()
361 			list_add(&resampler->link, &kvm->irqfds.resampler_list);  in kvm_irqfd_assign()
363 						      &resampler->notifier);  in kvm_irqfd_assign()
364 			irqfd->resampler = resampler;  in kvm_irqfd_assign()
367 		list_add_rcu(&irqfd->resampler_link, &irqfd->resampler->list);  in kvm_irqfd_assign()
432 	if (irqfd->resampler)  in kvm_irqfd_assign()