| commit | b4b6d4a02fa8aa8187d426b508fb7f3b69df0dcc | [log] [tgz] |
|---|---|---|
| author | Andrew Scull <ascull@google.com> | Wed Jan 02 15:54:55 2019 +0000 |
| committer | Andrew Scull <ascull@google.com> | Wed Jan 02 15:54:55 2019 +0000 |
| tree | fdf4498bc30cb80757eaf20b46ea866b23141a93 |
v4.19.13 snapshot.
diff --git a/tools/virtio/linux/compiler.h b/tools/virtio/linux/compiler.h new file mode 100644 index 0000000..903dc9c --- /dev/null +++ b/tools/virtio/linux/compiler.h
@@ -0,0 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef LINUX_COMPILER_H +#define LINUX_COMPILER_H + +#define WRITE_ONCE(var, val) \ + (*((volatile typeof(val) *)(&(var))) = (val)) + +#define READ_ONCE(var) (*((volatile typeof(var) *)(&(var)))) + +#endif