Commit 924b51ab authored by Alex Williamson's avatar Alex Williamson
Browse files

vfio/pci: Hold igate across releasing eventfd contexts 



No need to release and immediately re-acquire igate while clearing
out the eventfd ctxs.

Reviewed-by: default avatarCornelia Huck <cohuck@redhat.com>
Signed-off-by: default avatarAlex Williamson <alex.williamson@redhat.com>
parent 9d532f28

drivers/vfio/pci/vfio_pci.c

+1 −3
Original line number Diff line number Diff line
@@ -523,14 +523,12 @@ static void vfio_pci_release(void *device_data) 
		vfio_pci_vf_token_user_add(vdev, -1);

		vfio_spapr_pci_eeh_release(vdev->pdev);

		vfio_pci_disable(vdev);



		mutex_lock(&vdev->igate);

		if (vdev->err_trigger) {

			eventfd_ctx_put(vdev->err_trigger);

			vdev->err_trigger = NULL;

		}

		mutex_unlock(&vdev->igate);



		mutex_lock(&vdev->igate);

		if (vdev->req_trigger) {

			eventfd_ctx_put(vdev->req_trigger);

			vdev->req_trigger = NULL;

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