| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame^] | 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 | ||||