[PATCH v1 08/14] vfio/pci: Notify on device release

From: Alex Williamson
Date: Mon Mar 08 2021 - 16:49:52 EST


Trigger a release notifier call when open reference count is zero.

Signed-off-by: Alex Williamson <alex.williamson@xxxxxxxxxx>
---
drivers/vfio/pci/vfio_pci.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/vfio/pci/vfio_pci.c b/drivers/vfio/pci/vfio_pci.c
index 585895970e9c..bee9318b46ed 100644
--- a/drivers/vfio/pci/vfio_pci.c
+++ b/drivers/vfio/pci/vfio_pci.c
@@ -560,6 +560,7 @@ static void vfio_pci_release(void *device_data)
mutex_lock(&vdev->reflck->lock);

if (!(--vdev->refcnt)) {
+ vfio_device_notifier_call(vdev->device, VFIO_DEVICE_RELEASE);
vfio_pci_vf_token_user_add(vdev, -1);
vfio_spapr_pci_eeh_release(vdev->pdev);
vfio_pci_disable(vdev);