Files
Linux_Drivers/linux_5.10/arch/arm64/include/asm/spinlock.h
sam.xiang 5c7dd7acc3 [linux] create linux_5.10.4 from T-head official:
repo: https://github.com/T-head-Semi/linux
	commit: b1313fe517ca3703119dcc99ef3bbf75ab42bcfb

Change-Id: I6cbb35294024ea3a66140e311f4bb705fd7fd626
2023-03-10 20:32:41 +08:00

28 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/qrwlock.h>
#include <asm/qspinlock.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 */