swh:1:snp:c3bf2749e3476071fa748f67b0ffa2fdc5fe49d9
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Tip revision: 0adb32858b0bddf4ada5f364a84ed60b196dbcda authored by Linus Torvalds on 01 April 2018, 21:20:27 UTC
Linux 4.16
Tip revision: 0adb328
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 */

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