/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Copyright (C) 2012 ARM Ltd.
 */
#ifndef __ASM_SPINLOCK_H
#define __ASM_SPINLOCK_H

#include <asm/qspinlock.h>
#include <asm/qrwlock.h>
#include <asm/paravirt.h>

/* See include/linux/spinlock.h */
#define smp_mb__after_spinlock()	smp_mb()

/*
 * Changing this will break osq_lock() thanks to the call inside
 * smp_cond_load_relaxed().
 *
 * See:
 * https://lore.kernel.org/lkml/20200110100612.GC2827@hirez.programming.kicks-ass.net
 */
#define vcpu_is_preempted vcpu_is_preempted
#if defined(CONFIG_PARAVIRT) && defined(CONFIG_PARAVIRT_SCHED)
static inline bool vcpu_is_preempted(int cpu)
{
	return pv_vcpu_is_preempted(cpu);
}
#else
static inline bool vcpu_is_preempted(int cpu)
{
	return false;
}
#endif /* CONFIG_PARAVIRT && CONFIG_PARAVIRT_SCHED */

#endif /* __ASM_SPINLOCK_H */