42 lines
1.4 KiB
C
42 lines
1.4 KiB
C
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/*
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* Memory barrier definitions for the Hexagon architecture
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*
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* Copyright (c) 2010-2011, The Linux Foundation. All rights reserved.
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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 and
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* only version 2 as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*/
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#ifndef _ASM_BARRIER_H
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#define _ASM_BARRIER_H
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#define rmb() barrier()
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#define read_barrier_depends() barrier()
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#define wmb() barrier()
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#define mb() barrier()
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#define smp_rmb() barrier()
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#define smp_read_barrier_depends() barrier()
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#define smp_wmb() barrier()
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#define smp_mb() barrier()
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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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/* Set a value and use a memory barrier. Used by the scheduler somewhere. */
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#define set_mb(var, value) \
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do { var = value; mb(); } while (0)
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#endif /* _ASM_BARRIER_H */
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