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>
2012-02-28 09:07:58 +02:00 · 2012-02-28 09:07:58 +02:00 · b17d5c6e19
parent b0820a50a0
commit b17d5c6e19
1 changed files with 3 additions and 0 deletions
--- 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