| Mathieu Desnoyers | e61938a | 2018-01-29 15:20:15 -0500 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | #ifndef _LINUX_SYNC_CORE_H |
| 3 | #define _LINUX_SYNC_CORE_H |
| 4 | |
| 5 | #ifdef CONFIG_ARCH_HAS_SYNC_CORE_BEFORE_USERMODE |
| 6 | #include <asm/sync_core.h> |
| 7 | #else |
| 8 | /* |
| 9 | * This is a dummy sync_core_before_usermode() implementation that can be used |
| 10 | * on all architectures which return to user-space through core serializing |
| 11 | * instructions. |
| 12 | * If your architecture returns to user-space through non-core-serializing |
| 13 | * instructions, you need to write your own functions. |
| 14 | */ |
| 15 | static inline void sync_core_before_usermode(void) |
| 16 | { |
| 17 | } |
| 18 | #endif |
| 19 | |
| 20 | #endif /* _LINUX_SYNC_CORE_H */ |
| 21 | |