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| author | Linus Walleij <linus.walleij@linaro.org> | 2016-03-10 09:29:25 +0700 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2016-03-10 09:29:25 +0700 |
| commit | cc998d8bc74341f6bbbcd63ab4449a6acfc45ee9 (patch) | |
| tree | 2f4e23fa1ceb83b3e720afd52d9a5ef2be26c77e /tools/virtio/linux/compiler.h | |
| parent | d2d13ed01362ecddc3f76f9cca31b0cd5d663a7e (diff) | |
| parent | 81f70ba233d5f660e1ea5fe23260ee323af5d53a (diff) | |
Merge tag 'v4.5-rc5' into devel
Linux 4.5-rc5
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 |