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3ce4b1f1f2
Rename rep_nop() function to what it really does. No functional change intended. Suggested-by: David Laight <david.laight.linux@gmail.com> Signed-off-by: Uros Bizjak <ubizjak@gmail.com> Signed-off-by: Ingo Molnar <mingo@kernel.org> Cc: H. Peter Anvin <hpa@zytor.com> Link: https://lore.kernel.org/r/20250418080805.83679-1-ubizjak@gmail.com
27 lines
558 B
C
27 lines
558 B
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (C) 2020 ARM Ltd.
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*/
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#ifndef __ASM_VDSO_PROCESSOR_H
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#define __ASM_VDSO_PROCESSOR_H
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#ifndef __ASSEMBLER__
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/* PAUSE is a good thing to insert into busy-wait loops. */
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static __always_inline void native_pause(void)
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{
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asm volatile("pause" ::: "memory");
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}
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static __always_inline void cpu_relax(void)
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{
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native_pause();
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}
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struct getcpu_cache;
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notrace long __vdso_getcpu(unsigned *cpu, unsigned *node, struct getcpu_cache *unused);
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#endif /* __ASSEMBLER__ */
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#endif /* __ASM_VDSO_PROCESSOR_H */
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