Date: Fri, 29 Mar 2013 03:45:59 +0000 (UTC) From: Bryan Venteicher <bryanv@FreeBSD.org> To: src-committers@freebsd.org, svn-src-user@freebsd.org Subject: svn commit: r248863 - user/attilio/membarclean/dev/virtio Message-ID: <201303290345.r2T3jxqn027548@svn.freebsd.org>
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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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