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-rw-r--r--virt/kvm/eventfd.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/virt/kvm/eventfd.c b/virt/kvm/eventfd.c
index 9718e98d6d2a..b6eea5cc7b34 100644
--- a/virt/kvm/eventfd.c
+++ b/virt/kvm/eventfd.c
@@ -35,6 +35,7 @@
35 35
36#include "iodev.h" 36#include "iodev.h"
37 37
38#ifdef __KVM_HAVE_IOAPIC
38/* 39/*
39 * -------------------------------------------------------------------- 40 * --------------------------------------------------------------------
40 * irqfd: Allows an fd to be used to inject an interrupt to the guest 41 * irqfd: Allows an fd to be used to inject an interrupt to the guest
@@ -332,7 +333,7 @@ kvm_irqfd_assign(struct kvm *kvm, struct kvm_irqfd *args)
332 mutex_lock(&kvm->irqfds.resampler_lock); 333 mutex_lock(&kvm->irqfds.resampler_lock);
333 334
334 list_for_each_entry(resampler, 335 list_for_each_entry(resampler,
335 &kvm->irqfds.resampler_list, list) { 336 &kvm->irqfds.resampler_list, link) {
336 if (resampler->notifier.gsi == irqfd->gsi) { 337 if (resampler->notifier.gsi == irqfd->gsi) {
337 irqfd->resampler = resampler; 338 irqfd->resampler = resampler;
338 break; 339 break;
@@ -425,17 +426,21 @@ fail:
425 kfree(irqfd); 426 kfree(irqfd);
426 return ret; 427 return ret;
427} 428}
429#endif
428 430
429void 431void
430kvm_eventfd_init(struct kvm *kvm) 432kvm_eventfd_init(struct kvm *kvm)
431{ 433{
434#ifdef __KVM_HAVE_IOAPIC
432 spin_lock_init(&kvm->irqfds.lock); 435 spin_lock_init(&kvm->irqfds.lock);
433 INIT_LIST_HEAD(&kvm->irqfds.items); 436 INIT_LIST_HEAD(&kvm->irqfds.items);
434 INIT_LIST_HEAD(&kvm->irqfds.resampler_list); 437 INIT_LIST_HEAD(&kvm->irqfds.resampler_list);
435 mutex_init(&kvm->irqfds.resampler_lock); 438 mutex_init(&kvm->irqfds.resampler_lock);
439#endif
436 INIT_LIST_HEAD(&kvm->ioeventfds); 440 INIT_LIST_HEAD(&kvm->ioeventfds);
437} 441}
438 442
443#ifdef __KVM_HAVE_IOAPIC
439/* 444/*
440 * shutdown any irqfd's that match fd+gsi 445 * shutdown any irqfd's that match fd+gsi
441 */ 446 */
@@ -555,6 +560,7 @@ static void __exit irqfd_module_exit(void)
555 560
556module_init(irqfd_module_init); 561module_init(irqfd_module_init);
557module_exit(irqfd_module_exit); 562module_exit(irqfd_module_exit);
563#endif
558 564
559/* 565/*
560 * -------------------------------------------------------------------- 566 * --------------------------------------------------------------------