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usr/src/linux-headers-5.15.0-142/arch/sh/include/asm/atomic.h 0000644 00000001510 15030147603 0017117 0 ustar 00 /* SPDX-License-Identifier: GPL-2.0 */ #ifndef __ASM_SH_ATOMIC_H #define __ASM_SH_ATOMIC_H #if defined(CONFIG_CPU_J2) #include <asm-generic/atomic.h> #else /* * Atomic operations that C can't guarantee us. Useful for * resource counting etc.. * */ #include <linux/compiler.h> #include <linux/types.h> #include <asm/cmpxchg.h> #include <asm/barrier.h> #define arch_atomic_read(v) READ_ONCE((v)->counter) #define arch_atomic_set(v,i) WRITE_ONCE((v)->counter, (i)) #if defined(CONFIG_GUSA_RB) #include <asm/atomic-grb.h> #elif defined(CONFIG_CPU_SH4A) #include <asm/atomic-llsc.h> #else #include <asm/atomic-irq.h> #endif #define arch_atomic_xchg(v, new) (arch_xchg(&((v)->counter), new)) #define arch_atomic_cmpxchg(v, o, n) (arch_cmpxchg(&((v)->counter), (o), (n))) #endif /* CONFIG_CPU_J2 */ #endif /* __ASM_SH_ATOMIC_H */ usr/src/linux-headers-5.15.0-133/arch/arc/include/asm/atomic.h 0000644 00000002201 15030170754 0017253 0 ustar 00 /* 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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