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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 |