diff options
-rw-r--r-- | include/asm-generic/rwonce.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/asm-generic/rwonce.h b/include/asm-generic/rwonce.h index 87584379da43..04586b55a7c2 100644 --- a/include/asm-generic/rwonce.h +++ b/include/asm-generic/rwonce.h @@ -43,7 +43,9 @@ * atomicity or dependency ordering guarantees. Note that this may result * in tears! */ +#ifndef __READ_ONCE #define __READ_ONCE(x) (*(const volatile __unqual_scalar_typeof(x) *)&(x)) +#endif #define __READ_ONCE_SCALAR(x) \ ({ \ |