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authorAlex Williamson <alex.williamson@redhat.com>2020-07-27 13:43:38 -0600
committerAlex Williamson <alex.williamson@redhat.com>2020-07-27 13:43:38 -0600
commit924b51abf961f1d888143fcfa3d63c92dc517679 (patch)
treeec7d3876a5e25203c97794d5e964a312b7b00366 /drivers/vfio
parent9d532f286914add61e02312881733a90355f153c (diff)
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: Cornelia Huck <cohuck@redhat.com> Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
Diffstat (limited to 'drivers/vfio')
-rw-r--r--drivers/vfio/pci/vfio_pci.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/vfio/pci/vfio_pci.c b/drivers/vfio/pci/vfio_pci.c
index b0258b79bb5b..dabca0450e6d 100644
--- a/drivers/vfio/pci/vfio_pci.c
+++ b/drivers/vfio/pci/vfio_pci.c
@@ -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;