| /* SPDX-License-Identifier: GPL-2.0 */ | |
| #ifndef _LINUX_SYNC_CORE_H | |
| #define _LINUX_SYNC_CORE_H | |
| #ifdef CONFIG_ARCH_HAS_SYNC_CORE_BEFORE_USERMODE | |
| #include <asm/sync_core.h> | |
| #else | |
| /* | |
| * This is a dummy sync_core_before_usermode() implementation that can be used | |
| * on all architectures which return to user-space through core serializing | |
| * instructions. | |
| * If your architecture returns to user-space through non-core-serializing | |
| * instructions, you need to write your own functions. | |
| */ | |
| static inline void sync_core_before_usermode(void) | |
| { | |
| } | |
| #endif | |
| #endif /* _LINUX_SYNC_CORE_H */ | |