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virtio-ring: move queue_index to vring_virtqueue

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Instead of storing the queue index in transport-specific virtio structs,
this patch moves them to vring_virtqueue and introduces an helper to get
the value.  This lets drivers simplify their management and tracing of
virtqueues.

Signed-off-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Jason Wang
2012-08-28 13:54:13 +02:00
committed by Rusty Russell
parent 7a23eb28fa
commit 17bb6d4088
8 changed files with 29 additions and 21 deletions
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2
drivers/s390/kvm/kvm_virtio.c
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@@ -198,7 +198,7 @@ static struct virtqueue *kvm_find_vq(struct virtio_device *vdev,
if (err)
goto out;
vq = vring_new_virtqueue(config->num, KVM_S390_VIRTIO_RING_ALIGN,
vq = vring_new_virtqueue(index, config->num, KVM_S390_VIRTIO_RING_ALIGN,
vdev, true, (void *) config->address,
kvm_notify, callback, name);
if (!vq) {