2003-06-25 22:26:29 +00:00
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/*
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* linux/include/asm-arm/atomic.h
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*
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* Copyright (c) 1996 Russell King.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* Changelog:
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* 27-06-1996 RMK Created
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* 13-04-1997 RMK Made functions atomic!
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* 07-12-1997 RMK Upgraded for v2.1.
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* 26-08-1998 PJB Added #ifdef __KERNEL__
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*/
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#ifndef __ASM_ARM_ATOMIC_H
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#define __ASM_ARM_ATOMIC_H
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#ifdef CONFIG_SMP
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#error SMP not supported
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#endif
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2014-06-10 13:16:14 +00:00
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#include <asm/proc-armv/system.h>
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2018-09-08 09:39:05 +00:00
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#include <asm-generic/atomic.h>
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2016-09-13 06:40:58 +00:00
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2003-06-25 22:26:29 +00:00
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/* Atomic operations are already serializing on ARM */
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#define smp_mb__before_atomic_dec() barrier()
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#define smp_mb__after_atomic_dec() barrier()
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#define smp_mb__before_atomic_inc() barrier()
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#define smp_mb__after_atomic_inc() barrier()
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#endif
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