tools/virtio: stub out strong barriers

The tool should never use them, abort if it does.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/tools/virtio/linux/virtio.h b/tools/virtio/linux/virtio.h
index b4fbc91c41b4..7579f19e61e0 100644
--- a/tools/virtio/linux/virtio.h
+++ b/tools/virtio/linux/virtio.h
@@ -181,6 +181,9 @@ struct virtqueue {
 #define smp_mb()        mb()
 # define smp_rmb()      barrier()
 # define smp_wmb()      barrier()
+/* Weak barriers should be used. If not - it's a bug */
+# define rmb()  abort()
+# define wmb()  abort()
 #else
 #error Please fill in barrier macros
 #endif