svn commit: r248863 - user/attilio/membarclean/dev/virtio
Bryan Venteicher
bryanv at FreeBSD.org
Fri Mar 29 03:45:59 UTC 2013
Author: bryanv
Date: Fri Mar 29 03:45:58 2013
New Revision: 248863
URL: http://svnweb.freebsd.org/changeset/base/248863
Log:
Revert what is left of r240427
Ease the work of this branch by changing the write membar
into just a membar.
Modified:
user/attilio/membarclean/dev/virtio/virtqueue.c
Modified: user/attilio/membarclean/dev/virtio/virtqueue.c
==============================================================================
--- user/attilio/membarclean/dev/virtio/virtqueue.c Fri Mar 29 02:14:57 2013 (r248862)
+++ user/attilio/membarclean/dev/virtio/virtqueue.c Fri Mar 29 03:45:58 2013 (r248863)
@@ -622,7 +622,7 @@ vq_ring_update_avail(struct virtqueue *v
avail_idx = vq->vq_ring.avail->idx & (vq->vq_nentries - 1);
vq->vq_ring.avail->ring[avail_idx] = desc_idx;
- wmb();
+ mb();
vq->vq_ring.avail->idx++;
/* Keep pending count until virtqueue_notify(). */
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