/*
* Memory barrier definitions for the Hexagon architecture
*
* Copyright (c) 2010-2011, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/

#ifndef _ASM_BARRIER_H
#define _ASM_BARRIER_H

#define rmb() barrier()
#define read_barrier_depends() barrier()
#define wmb() barrier()
#define mb() barrier()
#define smp_rmb() barrier()
#define smp_read_barrier_depends() barrier()
#define smp_wmb() barrier()
#define smp_mb() barrier()
#define smp_mb__before_atomic_dec() barrier()
#define smp_mb__after_atomic_dec() barrier()
#define smp_mb__before_atomic_inc() barrier()
#define smp_mb__after_atomic_inc() barrier()

/* Set a value and use a memory barrier. Used by the scheduler somewhere. */
#define set_mb(var, value) \
do { var = value; mb(); } while (0)

#endif /* _ASM_BARRIER_H */