162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0-only */ 262306a36Sopenharmony_ci/* 362306a36Sopenharmony_ci * Copyright (C) 2012 ARM Ltd. 462306a36Sopenharmony_ci */ 562306a36Sopenharmony_ci#ifndef __ASM_SPINLOCK_H 662306a36Sopenharmony_ci#define __ASM_SPINLOCK_H 762306a36Sopenharmony_ci 862306a36Sopenharmony_ci#include <asm/qspinlock.h> 962306a36Sopenharmony_ci#include <asm/qrwlock.h> 1062306a36Sopenharmony_ci 1162306a36Sopenharmony_ci/* See include/linux/spinlock.h */ 1262306a36Sopenharmony_ci#define smp_mb__after_spinlock() smp_mb() 1362306a36Sopenharmony_ci 1462306a36Sopenharmony_ci/* 1562306a36Sopenharmony_ci * Changing this will break osq_lock() thanks to the call inside 1662306a36Sopenharmony_ci * smp_cond_load_relaxed(). 1762306a36Sopenharmony_ci * 1862306a36Sopenharmony_ci * See: 1962306a36Sopenharmony_ci * https://lore.kernel.org/lkml/20200110100612.GC2827@hirez.programming.kicks-ass.net 2062306a36Sopenharmony_ci */ 2162306a36Sopenharmony_ci#define vcpu_is_preempted vcpu_is_preempted 2262306a36Sopenharmony_cistatic inline bool vcpu_is_preempted(int cpu) 2362306a36Sopenharmony_ci{ 2462306a36Sopenharmony_ci return false; 2562306a36Sopenharmony_ci} 2662306a36Sopenharmony_ci 2762306a36Sopenharmony_ci#endif /* __ASM_SPINLOCK_H */ 28