From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- arch/mips/include/asm/spinlock.h | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 arch/mips/include/asm/spinlock.h (limited to 'arch/mips/include/asm/spinlock.h') diff --git a/arch/mips/include/asm/spinlock.h b/arch/mips/include/asm/spinlock.h new file mode 100644 index 000000000..6ce2117e4 --- /dev/null +++ b/arch/mips/include/asm/spinlock.h @@ -0,0 +1,31 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 1999, 2000, 06 Ralf Baechle (ralf@linux-mips.org) + * Copyright (C) 1999, 2000 Silicon Graphics, Inc. + */ +#ifndef _ASM_SPINLOCK_H +#define _ASM_SPINLOCK_H + +#include + +#include + +#define queued_spin_unlock queued_spin_unlock +/** + * queued_spin_unlock - release a queued spinlock + * @lock : Pointer to queued spinlock structure + */ +static inline void queued_spin_unlock(struct qspinlock *lock) +{ + /* This could be optimised with ARCH_HAS_MMIOWB */ + mmiowb(); + smp_store_release(&lock->locked, 0); +} + +#include +#include + +#endif /* _ASM_SPINLOCK_H */ -- cgit v1.2.3