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authorRusty Russell <rusty@rustcorp.com.au>2008-12-30 16:26:03 +0100
committerRusty Russell <rusty@rustcorp.com.au>2008-12-29 23:56:03 +0100
commit87c7d57c17ade5024d95b6ca0da249da49b0672a (patch)
tree2ffeaae5c2e5ed9a72efec6466678fb797c4cdfa /drivers/virtio/virtio_ring.c
parentvirtio: use KVM_S390_VIRTIO_RING_ALIGN instead of relying on pagesize (diff)
downloadlinux-87c7d57c17ade5024d95b6ca0da249da49b0672a.tar.xz
linux-87c7d57c17ade5024d95b6ca0da249da49b0672a.zip
virtio: hand virtio ring alignment as argument to vring_new_virtqueue
This allows each virtio user to hand in the alignment appropriate to their virtio_ring structures. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Acked-by: Christian Borntraeger <borntraeger@de.ibm.com>
Diffstat (limited to 'drivers/virtio/virtio_ring.c')
-rw-r--r--drivers/virtio/virtio_ring.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c
index 6eb5303fed11..5777196bf6c9 100644
--- a/drivers/virtio/virtio_ring.c
+++ b/drivers/virtio/virtio_ring.c
@@ -274,6 +274,7 @@ static struct virtqueue_ops vring_vq_ops = {
};
struct virtqueue *vring_new_virtqueue(unsigned int num,
+ unsigned int vring_align,
struct virtio_device *vdev,
void *pages,
void (*notify)(struct virtqueue *),
@@ -292,7 +293,7 @@ struct virtqueue *vring_new_virtqueue(unsigned int num,
if (!vq)
return NULL;
- vring_init(&vq->vring, num, pages, PAGE_SIZE);
+ vring_init(&vq->vring, num, pages, vring_align);
vq->vq.callback = callback;
vq->vq.vdev = vdev;
vq->vq.vq_ops = &vring_vq_ops;