| Quellcodebibliothek Statistik Leitseite products/sources/formale Sprachen/C/Linux/arch/mips/include/asm/vdso/ (Open Source Betriebssystem Version 6.17.9©) Datei vom 24.10.2025 mit Größe 745 B |
|
Quelle processor.h Sprache: C |
|||||||||||||||
|
/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2020 ARM Ltd. */ #ifndef __ASM_VDSO_PROCESSOR_H #define __ASM_VDSO_PROCESSOR_H #ifndef __ASSEMBLY__ #ifdef CONFIG_CPU_LOONGSON64 /* * Loongson-3's SFB (Store-Fill-Buffer) may buffer writes indefinitely when a * tight read loop is executed, because reads take priority over writes & the * hardware (incorrectly) doesn't ensure that writes will eventually occur. * * Since spin loops of any kind should have a cpu_relax() in them, force an SFB * flush from cpu_relax() such that any pending writes will become visible as * expected. */ #define cpu_relax() smp_mb() #else #define cpu_relax() barrier() #endif #endif /* __ASSEMBLY__ */ #endif /* __ASM_VDSO_PROCESSOR_H */
¤ Dauer der Verarbeitung: 0.3 Sekunden ¤*© Formatika GbR, Deutschland |
|
||||||||||||||
2026-04-04