20 lines
525 B
C
20 lines
525 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _ASM_X86_FUTEX_ROBUST_H
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#define _ASM_X86_FUTEX_ROBUST_H
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#include <asm/ptrace.h>
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static __always_inline void __user *x86_futex_robust_unlock_get_pop(struct pt_regs *regs)
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{
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/*
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* If ZF is set then the cmpxchg succeeded and the pending op pointer
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* needs to be cleared.
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*/
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return regs->flags & X86_EFLAGS_ZF ? (void __user *)regs->dx : NULL;
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}
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#define arch_futex_robust_unlock_get_pop(regs) \
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x86_futex_robust_unlock_get_pop(regs)
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#endif /* _ASM_X86_FUTEX_ROBUST_H */
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