haraldwolff/qemu-patch-raspberry4
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Revert "vhost: send SET_VRING_ENABLE at start/stop"

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This reverts commit 3a12f32229.

In case of live migration several queues can be enabled and not only the
first one. So informing backend that only the first queue is enabled is
wrong.

Reported-by: Thibaut Collet <thibaut.collet@6wind.com>
Cc: Yuanhan Liu <yuanhan.liu@linux.intel.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Yuanhan Liu <yuanhan.liu@linux.intel.com>
This commit is contained in:
Michael S. Tsirkin 2015-11-25 13:39:57 +02:00
parent 7cf32491ea
commit 449e357810
1 changed files with 0 additions and 9 deletions
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9
hw/virtio/vhost.c
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@ -1226,11 +1226,6 @@ int vhost_dev_start(struct vhost_dev *hdev, VirtIODevice *vdev)
}
}
if (hdev->vhost_ops->vhost_set_vring_enable) {
/* only enable first vq pair by default */
hdev->vhost_ops->vhost_set_vring_enable(hdev, hdev->vq_index == 0);
}
return 0;
fail_log:
vhost_log_put(hdev, false);
@ -1261,10 +1256,6 @@ void vhost_dev_stop(struct vhost_dev *hdev, VirtIODevice *vdev)
hdev->vq_index + i);
}
if (hdev->vhost_ops->vhost_set_vring_enable) {
hdev->vhost_ops->vhost_set_vring_enable(hdev, 0);
}
vhost_log_put(hdev, true);
hdev->started = false;
hdev->log = NULL;