netdev - [PATCH 1/2] virtio: fix typos of memory barriers

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Message-ID: <20120120081658.50747.10625.stgit@amd-6168-8-1.englab.nay.redhat.com>
Date:	Fri, 20 Jan 2012 16:16:59 +0800
From:	Jason Wang <jasowang@...hat.com>
To:	rusty@...tcorp.com.au, virtualization@...ts.linux-foundation.org,
	linux-kernel@...r.kernel.org, mst@...hat.com
Cc:	netdev@...r.kernel.org, kvm@...r.kernel.org
Subject: [PATCH 1/2] virtio: fix typos of memory barriers

Signed-off-by: Jason Wang <jasowang@...hat.com>
---
 drivers/virtio/virtio_ring.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c
index 79e1b29..78428a8 100644
--- a/drivers/virtio/virtio_ring.c
+++ b/drivers/virtio/virtio_ring.c
@@ -35,7 +35,7 @@
 #define virtio_rmb(vq) \
 	do { if ((vq)->weak_barriers) smp_rmb(); else rmb(); } while(0)
 #define virtio_wmb(vq) \
-	do { if ((vq)->weak_barriers) smp_rmb(); else rmb(); } while(0)
+	do { if ((vq)->weak_barriers) smp_wmb(); else wmb(); } while(0)
 #else
 /* We must force memory ordering even if guest is UP since host could be
  * running on another CPU, but SMP barriers are defined to barrier() in that

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