diff options
| -rw-r--r-- | virt/kvm/eventfd.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/virt/kvm/eventfd.c b/virt/kvm/eventfd.c index 614f81cd37c1..7b7c5269cf18 100644 --- a/virt/kvm/eventfd.c +++ b/virt/kvm/eventfd.c @@ -256,6 +256,13 @@ static void kvm_irqfd_register(struct file *file, wait_queue_head_t *wqh, struct kvm_irqfd_pt *p = container_of(pt, struct kvm_irqfd_pt, pt); struct kvm_kernel_irqfd *irqfd = p->irqfd; + /* + * Add the irqfd as a priority waiter on the eventfd, with a custom + * wake-up handler, so that KVM *and only KVM* is notified whenever the + * underlying eventfd is signaled. + */ + init_waitqueue_func_entry(&irqfd->wait, irqfd_wakeup); + add_wait_queue_priority(wqh, &irqfd->wait); } @@ -389,12 +396,6 @@ kvm_irqfd_assign(struct kvm *kvm, struct kvm_irqfd *args) } /* - * Install our own custom wake-up handling so we are notified via - * a callback whenever someone signals the underlying eventfd - */ - init_waitqueue_func_entry(&irqfd->wait, irqfd_wakeup); - - /* * Set the irqfd routing and add it to KVM's list before registering * the irqfd with the eventfd, so that the routing information is valid * and stays valid, e.g. if there are GSI routing changes, prior to |