/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Copyright (C) 2020 ARM Ltd.
 */
#ifndef __ASM_VDSO_PROCESSOR_H
#define __ASM_VDSO_PROCESSOR_H

#ifndef __ASSEMBLY__

#if __LINUX_ARM_ARCH__ == 6 || defined(CONFIG_ARM_ERRATA_754327)
#define cpu_relax()                                             \
        do {                                                    \
                smp_mb();                                       \
                __asm__ __volatile__("nop; nop; nop; nop; nop; nop; nop; nop; nop; nop;");      \
        } while (0)
#else
#define cpu_relax()                     barrier()
#endif

#endif /* __ASSEMBLY__ */

#endif /* __ASM_VDSO_PROCESSOR_H */