| Michael S. Tsirkin | a7c4903 | 2016-01-20 21:12:58 +0200 | [diff] [blame] | 1 | #ifndef LINUX_COMPILER_H |
| 2 | #define LINUX_COMPILER_H | ||||
| 3 | |||||
| 4 | #define WRITE_ONCE(var, val) \ | ||||
| 5 | (*((volatile typeof(val) *)(&(var))) = (val)) | ||||
| 6 | |||||
| Mark Rutland | 5da889c | 2016-11-24 10:25:12 +0000 | [diff] [blame] | 7 | #define READ_ONCE(var) (*((volatile typeof(var) *)(&(var)))) |
| Michael S. Tsirkin | a7c4903 | 2016-01-20 21:12:58 +0200 | [diff] [blame] | 8 | |
| 9 | #endif | ||||