27 lines
601 B
C
27 lines
601 B
C
/* 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>
|
|
|
|
/* 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
|
|
static inline bool vcpu_is_preempted(int cpu)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
#endif /* __ASM_SPINLOCK_H */
|