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[Qemu-devel] [PATCH] virtio/vhost: drop unnecessary VHOST_SET_VRING call
From: |
Marcel Apfelbaum |
Subject: |
[Qemu-devel] [PATCH] virtio/vhost: drop unnecessary VHOST_SET_VRING call |
Date: |
Wed, 12 Aug 2015 13:19:51 +0300 |
No need to send VHOST_SET_VRING_CALL to backend
before the negotiation with the guest is finished.
Signed-off-by: Marcel Apfelbaum <address@hidden>
---
hw/virtio/vhost.c | 13 +------------
1 file changed, 1 insertion(+), 12 deletions(-)
diff --git a/hw/virtio/vhost.c b/hw/virtio/vhost.c
index 2712c6f..b448542 100644
--- a/hw/virtio/vhost.c
+++ b/hw/virtio/vhost.c
@@ -875,24 +875,13 @@ static void vhost_eventfd_del(MemoryListener *listener,
static int vhost_virtqueue_init(struct vhost_dev *dev,
struct vhost_virtqueue *vq, int n)
{
- struct vhost_vring_file file = {
- .index = n,
- };
int r = event_notifier_init(&vq->masked_notifier, 0);
+
if (r < 0) {
return r;
}
- file.fd = event_notifier_get_fd(&vq->masked_notifier);
- r = dev->vhost_ops->vhost_call(dev, VHOST_SET_VRING_CALL, &file);
- if (r) {
- r = -errno;
- goto fail_call;
- }
return 0;
-fail_call:
- event_notifier_cleanup(&vq->masked_notifier);
- return r;
}
static void vhost_virtqueue_cleanup(struct vhost_virtqueue *vq)
--
2.1.0
- [Qemu-devel] [PATCH] virtio/vhost: drop unnecessary VHOST_SET_VRING call,
Marcel Apfelbaum <=