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authorMichael S. Tsirkin <mst@redhat.com>2013-05-28 13:20:23 +0300
committerAnthony Liguori <aliguori@us.ibm.com>2013-05-29 08:16:21 -0500
commit87d23f78aa79b72da022afda358bbc8a8509ca70 (patch)
tree206e63966c75e10e988b172e3ce4a0316c374836 /hw/virtio/virtio-pci.c
parent04129606170ec9011d4952b4f22c368679bedbf9 (diff)
downloadqemu-87d23f78aa79b72da022afda358bbc8a8509ca70.tar.gz
virtio-pci: drop unused wmb macro
The implementation is wrong for kvm, and it's unused anyway. Drop it. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Message-id: 20130528102023.GA30055@redhat.com Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Diffstat (limited to 'hw/virtio/virtio-pci.c')
-rw-r--r--hw/virtio/virtio-pci.c6
1 files changed, 0 insertions, 6 deletions
diff --git a/hw/virtio/virtio-pci.c b/hw/virtio/virtio-pci.c
index 70d2c6b5e3..444b71aab0 100644
--- a/hw/virtio/virtio-pci.c
+++ b/hw/virtio/virtio-pci.c
@@ -89,12 +89,6 @@
/* Flags track per-device state like workarounds for quirks in older guests. */
#define VIRTIO_PCI_FLAG_BUS_MASTER_BUG (1 << 0)
-/* QEMU doesn't strictly need write barriers since everything runs in
- * lock-step. We'll leave the calls to wmb() in though to make it obvious for
- * KVM or if kqemu gets SMP support.
- */
-#define wmb() do { } while (0)
-
/* HACK for virtio to determine if it's running a big endian guest */
bool virtio_is_big_endian(void);