Release 4.14 arch/sh/include/asm/futex-irq.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_SH_FUTEX_IRQ_H

#define __ASM_SH_FUTEX_IRQ_H



static inline int atomic_futex_op_cmpxchg_inatomic(u32 *uval,
						   u32 __user *uaddr,
						   u32 oldval, u32 newval)
{
	unsigned long flags;
	int ret;
	u32 prev = 0;

	local_irq_save(flags);

	ret = get_user(prev, uaddr);
	if (!ret && oldval == prev)
		ret = put_user(newval, uaddr);

	local_irq_restore(flags);

	*uval = prev;
	return ret;
}

Contributors
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CommitProp
Kaz Kojima
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Michel Lespinasse
14
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2
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Total
79
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3
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#endif /* __ASM_SH_FUTEX_IRQ_H */
Overall Contributors
Person
Tokens
Prop
Commits
CommitProp
Kaz Kojima
74
83.15%
1
25.00%
Michel Lespinasse
14
15.73%
2
50.00%
Greg Kroah-Hartman
1
1.12%
1
25.00%
Total
89
100.00%
4
100.00%
Directory: arch/sh/include/asm

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