Файловый менеджер - Редактировать - /usr/src/linux-hwe-5.15-headers-5.15.0-122/arch/arc/include/asm/atomic.h
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/* 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
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