5c7dd7acc3
repo: https://github.com/T-head-Semi/linux commit: b1313fe517ca3703119dcc99ef3bbf75ab42bcfb Change-Id: I6cbb35294024ea3a66140e311f4bb705fd7fd626
32 lines
822 B
C
32 lines
822 B
C
/*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*
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* Copyright (C) 1999, 2000, 06 Ralf Baechle (ralf@linux-mips.org)
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* Copyright (C) 1999, 2000 Silicon Graphics, Inc.
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*/
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#ifndef _ASM_SPINLOCK_H
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#define _ASM_SPINLOCK_H
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#include <asm/processor.h>
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#include <asm/qrwlock.h>
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#include <asm-generic/qspinlock_types.h>
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#define queued_spin_unlock queued_spin_unlock
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/**
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* queued_spin_unlock - release a queued spinlock
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* @lock : Pointer to queued spinlock structure
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*/
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static inline void queued_spin_unlock(struct qspinlock *lock)
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{
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/* This could be optimised with ARCH_HAS_MMIOWB */
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mmiowb();
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smp_store_release(&lock->locked, 0);
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}
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#include <asm/qspinlock.h>
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#endif /* _ASM_SPINLOCK_H */
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