File Content: processor.h /* 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 */ Submit