diff options
| -rw-r--r-- | virt/kvm/kvm_main.c | 29 |
1 files changed, 22 insertions, 7 deletions
diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index 63fd88209439..e41d39d6b0ef 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -200,14 +200,11 @@ static void kvm_assigned_dev_ack_irq(struct kvm_irq_ack_notifier *kian) enable_irq(dev->host_irq); } -static void kvm_free_assigned_device(struct kvm *kvm, - struct kvm_assigned_dev_kernel - *assigned_dev) +static void kvm_free_assigned_irq(struct kvm *kvm, + struct kvm_assigned_dev_kernel *assigned_dev) { - if (irqchip_in_kernel(kvm) && assigned_dev->irq_requested_type) - free_irq(assigned_dev->host_irq, (void *)assigned_dev); - if (assigned_dev->irq_requested_type & KVM_ASSIGNED_DEV_HOST_MSI) - pci_disable_msi(assigned_dev->dev); + if (!irqchip_in_kernel(kvm)) + return; kvm_unregister_irq_ack_notifier(&assigned_dev->ack_notifier); @@ -215,12 +212,30 @@ static void kvm_free_assigned_device(struct kvm *kvm, kvm_free_irq_source_id(kvm, assigned_dev->irq_source_id); assigned_dev->irq_source_id = -1; + if (!assigned_dev->irq_requested_type) + return; + if (cancel_work_sync(&assigned_dev->interrupt_work)) /* We had pending work. That means we will have to take * care of kvm_put_kvm. */ kvm_put_kvm(kvm); + free_irq(assigned_dev->host_irq, (void *)assigned_dev); + + if (assigned_dev->irq_requested_type & KVM_ASSIGNED_DEV_HOST_MSI) + pci_disable_msi(assigned_dev->dev); + + assigned_dev->irq_requested_type = 0; +} + + +static void kvm_free_assigned_device(struct kvm *kvm, + struct kvm_assigned_dev_kernel + *assigned_dev) +{ + kvm_free_assigned_irq(kvm, assigned_dev); + pci_reset_function(assigned_dev->dev); pci_release_regions(assigned_dev->dev); |