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authorMichael S. Tsirkin2012-02-28 01:07:58 -0600
committerMichael S. Tsirkin2012-02-28 01:13:16 -0600
commitb17d5c6e190f3d328aae0444f8b93d58d0015714 (patch)
treeca3937abbc8dae605da85893ef4cced5978e5cec /tools/virtio/linux
parentb0820a50a0439764411b779208f0e6a67b937e72 (diff)
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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/virtio/linux')
-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 {
181#define smp_mb() mb() 181#define smp_mb() mb()
182# define smp_rmb() barrier() 182# define smp_rmb() barrier()
183# define smp_wmb() barrier() 183# define smp_wmb() barrier()
184/* Weak barriers should be used. If not - it's a bug */
185# define rmb() abort()
186# define wmb() abort()
184#else 187#else
185#error Please fill in barrier macros 188#error Please fill in barrier macros
186#endif 189#endif