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- /* 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 */
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