| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | #ifndef LINUX_COMPILER_H |
| 3 | #define LINUX_COMPILER_H |
| 4 | |
| 5 | #define WRITE_ONCE(var, val) \ |
| 6 | (*((volatile typeof(val) *)(&(var))) = (val)) |
| 7 | |
| 8 | #define READ_ONCE(var) (*((volatile typeof(var) *)(&(var)))) |
| 9 | |
| 10 | #endif |