Use virtqueue_unmap_sg to unmap in_sg and out_sg in virtqueue_fill.
No functional changes.
Signed-off-by: Stefano Stabellini <stefano.stabell...@eu.citrix.com>
CC: jasow...@redhat.com
CC: we...@cn.fujitsu.com
CC: m...@redhat.com
CC: pbonz...@redhat.com
---
hw/virtio/virtio.c | 20 ++------------------
1 file changed, 2 insertions(+), 18 deletions(-)
diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c
index 2621ae6..4af31d0 100644
--- a/hw/virtio/virtio.c
+++ b/hw/virtio/virtio.c
@@ -238,26 +238,10 @@ int virtio_queue_empty(VirtQueue *vq)
void virtqueue_fill(VirtQueue *vq, const VirtQueueElement *elem,
unsigned int len, unsigned int idx)
{
- unsigned int offset;
- int i;
-
trace_virtqueue_fill(vq, elem, len, idx);
- offset = 0;
- for (i = 0; i < elem->in_num; i++) {
- size_t size = MIN(len - offset, elem->in_sg[i].iov_len);
-
- cpu_physical_memory_unmap(elem->in_sg[i].iov_base,
- elem->in_sg[i].iov_len,
- 1, size);
-
- offset += size;
- }
-
- for (i = 0; i < elem->out_num; i++)
- cpu_physical_memory_unmap(elem->out_sg[i].iov_base,
- elem->out_sg[i].iov_len,
- 0, elem->out_sg[i].iov_len);
+ virtqueue_unmap_sg(elem->in_sg, elem->in_num, 1, len);
+ virtqueue_unmap_sg(elem->out_sg, elem->out_num, 0, UINT_MAX);
idx = (idx + vring_used_idx(vq)) % vq->vring.num;
--
1.7.10.4
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