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/* 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 */