Contributors: 4
| Author |
Tokens |
Token Proportion |
Commits |
Commit Proportion |
| Vineet Gupta |
113 |
94.96% |
4 |
50.00% |
| Peter Zijlstra |
3 |
2.52% |
2 |
25.00% |
| Thomas Gleixner |
2 |
1.68% |
1 |
12.50% |
| Mark Rutland |
1 |
0.84% |
1 |
12.50% |
| Total |
119 |
|
8 |
|
/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (C) 2004, 2007-2010, 2011-2012 Synopsys, Inc. (www.synopsys.com)
*/
#ifndef _ASM_ARC_ATOMIC_H
#define _ASM_ARC_ATOMIC_H
#ifndef __ASSEMBLY__
#include <linux/types.h>
#include <linux/compiler.h>
#include <asm/cmpxchg.h>
#include <asm/barrier.h>
#include <asm/smp.h>
#define arch_atomic_read(v) READ_ONCE((v)->counter)
#ifdef CONFIG_ARC_HAS_LLSC
#include <asm/atomic-llsc.h>
#else
#include <asm/atomic-spinlock.h>
#endif
#define arch_atomic_cmpxchg(v, o, n) \
({ \
arch_cmpxchg(&((v)->counter), (o), (n)); \
})
#ifdef arch_cmpxchg_relaxed
#define arch_atomic_cmpxchg_relaxed(v, o, n) \
({ \
arch_cmpxchg_relaxed(&((v)->counter), (o), (n)); \
})
#endif
#define arch_atomic_xchg(v, n) \
({ \
arch_xchg(&((v)->counter), (n)); \
})
#ifdef arch_xchg_relaxed
#define arch_atomic_xchg_relaxed(v, n) \
({ \
arch_xchg_relaxed(&((v)->counter), (n)); \
})
#endif
/*
* 64-bit atomics
*/
#ifdef CONFIG_GENERIC_ATOMIC64
#include <asm-generic/atomic64.h>
#else
#include <asm/atomic64-arcv2.h>
#endif
#endif /* !__ASSEMBLY__ */
#endif