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| author | Michael S. Tsirkin <mst@redhat.com> | 2016-01-20 22:12:58 +0300 |
|---|---|---|
| committer | Michael S. Tsirkin <mst@redhat.com> | 2016-01-26 11:18:29 +0300 |
| commit | a7c490333df3cff5086ddf19a0837529304fa097 (patch) | |
| tree | 4ea3f4646f10a41d6fe06de3b77eb3a1b6d6a229 /tools/virtio/linux/compiler.h | |
| parent | 2989be09a8a9d62a785137586ad941f916e08f83 (diff) | |
| download | linux-a7c490333df3cff5086ddf19a0837529304fa097.tar.xz | |
tools/virtio: use virt_xxx barriers
Fix build after API changes.
Reported-by: Kamal Mostafa <kamal@canonical.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'tools/virtio/linux/compiler.h')
| -rw-r--r-- | tools/virtio/linux/compiler.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/tools/virtio/linux/compiler.h b/tools/virtio/linux/compiler.h new file mode 100644 index 000000000000..845960e1cbf2 --- /dev/null +++ b/tools/virtio/linux/compiler.h @@ -0,0 +1,9 @@ +#ifndef LINUX_COMPILER_H +#define LINUX_COMPILER_H + +#define WRITE_ONCE(var, val) \ + (*((volatile typeof(val) *)(&(var))) = (val)) + +#define READ_ONCE(var) (*((volatile typeof(val) *)(&(var)))) + +#endif |