[dpdk-dev] [PATCH] vhost: add event areas to vq_is_ready()
Adrian Moreno
amorenoz at redhat.com
Sat Jan 25 09:52:16 CET 2020
Consider a virtqueue ready when, apart from the the descriptor area,
both event supression areas have been mapped.
Fixes: 2d1541e2b6b3 ("vhost: add vring address setup for packed queues")
Cc: yliu at fridaylinux.org
Cc: stable at dpdk.org
Signed-off-by: Adrian Moreno <amorenoz at redhat.com>
---
lib/librte_vhost/vhost_user.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/lib/librte_vhost/vhost_user.c b/lib/librte_vhost/vhost_user.c
index 69b84a882..c9cc4d648 100644
--- a/lib/librte_vhost/vhost_user.c
+++ b/lib/librte_vhost/vhost_user.c
@@ -1298,7 +1298,8 @@ vq_is_ready(struct virtio_net *dev, struct vhost_virtqueue *vq)
return false;
if (vq_is_packed(dev))
- rings_ok = !!vq->desc_packed;
+ rings_ok = vq->desc_packed && vq->driver_event &&
+ vq->device_event;
else
rings_ok = vq->desc && vq->avail && vq->used;
--
2.21.1
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