path: root/drivers/virtio
diff options
authorJason Wang <jasowang@redhat.com>2012-01-20 16:16:59 +0800
committerRusty Russell <rusty@rustcorp.com.au>2012-01-28 08:10:22 +1030
commit4dbc5d9f4f791df8a5879f4a655f517adc7f56d1 (patch)
tree19c8c31c0f1097887d6fcfea19c1ae30e5a2e5e5 /drivers/virtio
parent74ea15d909b31158f9b63190a95b52bc05586d4b (diff)
virtio: fix typos of memory barriers
Note: this fixes a bug introduced recently in 7b21e34fd1c272e3a8c3846168f2f6287a4cd72b. Signed-off-by: Jason Wang <jasowang@redhat.com> Acked-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Diffstat (limited to 'drivers/virtio')
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c
index 79e1b292c03..78428a863b4 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)
/* 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