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authorMichael S. Tsirkin <mst@redhat.com>2012-02-28 08:07:58 +0100
committerMichael S. Tsirkin <mst@redhat.com>2012-02-28 08:13:16 +0100
commitb17d5c6e190f3d328aae0444f8b93d58d0015714 (patch)
treeca3937abbc8dae605da85893ef4cced5978e5cec /tools
parenttools/virtio: add linux/hrtimer.h stub (diff)
downloadlinux-b17d5c6e190f3d328aae0444f8b93d58d0015714.tar.xz
linux-b17d5c6e190f3d328aae0444f8b93d58d0015714.zip
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>
Diffstat (limited to 'tools')
-rw-r--r--tools/virtio/linux/virtio.h3
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