Edit File: sync_core.h
/* 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 */