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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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123456789101112131415161718192021222324252627282930313233343536/* 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
#ifdef CONFIG_ARCH_HAS_PREPARE_SYNC_CORE_CMD#include <asm/sync_core.h>#else/* * This is a dummy prepare_sync_core_cmd() implementation that can be used on * all architectures which provide unconditional core serializing instructions * in switch_mm(). * If your architecture doesn't provide such core serializing instructions in * switch_mm(), you may need to write your own functions. */static inline void prepare_sync_core_cmd(struct mm_struct *mm){}#endif
#endif /* _LINUX_SYNC_CORE_H */