[dpdk-dev] [PATCH v3 1/3] vhost: remove unused Vhost virtqueue field

[Maxime Coquelin <maxime.coquelin@redhat.com>]

This patch removes the "backend" field of the
vhost_virtqueue struct, which is not used by the
library.

Signed-off-by: Maxime Coquelin <maxime.coquelin@redhat.com>
Reviewed-by: Chenbo Xia <chenbo.xia@intel.com>
---
 lib/librte_vhost/vhost.c | 2 --
 lib/librte_vhost/vhost.h | 2 --
 2 files changed, 4 deletions(-)

diff --git a/lib/librte_vhost/vhost.c b/lib/librte_vhost/vhost.c
index 52ab93d1ec..5a7c0c6cff 100644
--- a/lib/librte_vhost/vhost.c
+++ b/lib/librte_vhost/vhost.c
@@ -558,8 +558,6 @@ init_vring_queue(struct virtio_net *dev, uint32_t vring_idx)
 	vq->notif_enable = VIRTIO_UNINITIALIZED_NOTIF;
 
 	vhost_user_iotlb_init(dev, vring_idx);
-	/* Backends are set to -1 indicating an inactive device. */
-	vq->backend = -1;
 }
 
 static void
diff --git a/lib/librte_vhost/vhost.h b/lib/librte_vhost/vhost.h
index 658f6fc287..717f410548 100644
--- a/lib/librte_vhost/vhost.h
+++ b/lib/librte_vhost/vhost.h
@@ -143,8 +143,6 @@ struct vhost_virtqueue {
 #define VIRTIO_INVALID_EVENTFD		(-1)
 #define VIRTIO_UNINITIALIZED_EVENTFD	(-2)
 
-	/* Backend value to determine if device should started/stopped */
-	int			backend;
 	int			enabled;
 	int			access_ok;
 	int			ready;
-- 
2.30.2