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virtio: hand virtio ring alignment as argument to vring_new_virtqueue

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This allows each virtio user to hand in the alignment appropriate to
their virtio_ring structures.

Signed-off-by: Rusty Russell <[email protected]>
Acked-by: Christian Borntraeger <[email protected]>
This commit is contained in:
Rusty Russell 2008-12-30 09:26:03 -06:00
commit 87c7d57c17
5 changed files with 9 additions and 6 deletions
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4
drivers/lguest/lguest_device.c
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@ -259,8 +259,8 @@ static struct virtqueue *lg_find_vq(struct virtio_device *vdev,
/* OK, tell virtio_ring.c to set up a virtqueue now we know its size
* and we've got a pointer to its pages. */
vq = vring_new_virtqueue(lvq->config.num, vdev, lvq->pages,
lg_notify, callback);
vq = vring_new_virtqueue(lvq->config.num, LGUEST_VRING_ALIGN,
vdev, lvq->pages, lg_notify, callback);
if (!vq) {
err = -ENOMEM;
goto unmap;