From: =?UTF-8?q?Eugenio=20P=C3=A9rez?= <eperezma@redhat.com>
Date: Thu, 4 Nov 2021 20:52:48 +0100
Subject: vdpa: Mark vdpa_config_ops.get_vq_notification as optional
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Patch-mainline: v5.17-rc1
Git-commit: 28cc408be72cebb0f3fcc37bc74ab3196d4de726
References: jsc#PED-1549

Since vhost_vdpa_mmap checks for its existence before calling it.

Signed-off-by: Eugenio Pérez <eperezma@redhat.com>
Link: https://lore.kernel.org/r/20211104195248.2088904-1-eperezma@redhat.com
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>
Reviewed-by: Stefano Garzarella <sgarzare@redhat.com>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 include/linux/vdpa.h |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/include/linux/vdpa.h
+++ b/include/linux/vdpa.h
@@ -157,7 +157,7 @@ struct vdpa_map_file {
  *				@vdev: vdpa device
  *				@idx: virtqueue index
  *				@state: pointer to returned state (last_avail_idx)
- * @get_vq_notification:	Get the notification area for a virtqueue
+ * @get_vq_notification:	Get the notification area for a virtqueue (optional)
  *				@vdev: vdpa device
  *				@idx: virtqueue index
  *				Returns the notifcation area