diff options
Diffstat (limited to 'tools/include/linux/compiler.h')
| -rw-r--r-- | tools/include/linux/compiler.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/tools/include/linux/compiler.h b/tools/include/linux/compiler.h index fbc6665c6d5..88461f09cc8 100644 --- a/tools/include/linux/compiler.h +++ b/tools/include/linux/compiler.h @@ -35,4 +35,6 @@ # define unlikely(x) __builtin_expect(!!(x), 0) #endif +#define ACCESS_ONCE(x) (*(volatile typeof(x) *)&(x)) + #endif /* _TOOLS_LINUX_COMPILER_H */ |