include/linux/atomic/atomic-arch-fallback.h

Source file repositories/reference/linux-study-clean/include/linux/atomic/atomic-arch-fallback.h

File Facts

System
Linux kernel
Corpus path
include/linux/atomic/atomic-arch-fallback.h
Extension
.h
Size
129321 bytes
Lines
4694
Domain
Core OS
Bucket
Core Kernel Interface
Inferred role
Core OS: implementation source
Status
source implementation candidate

Why This File Exists

Core operating-system implementation surface: boot, tasks, memory, VFS, syscall-facing interfaces, synchronization, credentials, and isolation.

Dependency Surface

Detected Declarations

Annotated Snippet

// SPDX-License-Identifier: GPL-2.0

// Generated by scripts/atomic/gen-atomic-fallback.sh
// DO NOT MODIFY THIS FILE DIRECTLY

#ifndef _LINUX_ATOMIC_FALLBACK_H
#define _LINUX_ATOMIC_FALLBACK_H

#include <linux/compiler.h>

#if defined(arch_xchg)
#define raw_xchg arch_xchg
#elif defined(arch_xchg_relaxed)
#define raw_xchg(...) \
	__atomic_op_fence(arch_xchg, __VA_ARGS__)
#else
extern void raw_xchg_not_implemented(void);
#define raw_xchg(...) raw_xchg_not_implemented()
#endif

#if defined(arch_xchg_acquire)
#define raw_xchg_acquire arch_xchg_acquire
#elif defined(arch_xchg_relaxed)
#define raw_xchg_acquire(...) \
	__atomic_op_acquire(arch_xchg, __VA_ARGS__)
#elif defined(arch_xchg)
#define raw_xchg_acquire arch_xchg
#else
extern void raw_xchg_acquire_not_implemented(void);
#define raw_xchg_acquire(...) raw_xchg_acquire_not_implemented()
#endif

#if defined(arch_xchg_release)
#define raw_xchg_release arch_xchg_release
#elif defined(arch_xchg_relaxed)
#define raw_xchg_release(...) \
	__atomic_op_release(arch_xchg, __VA_ARGS__)
#elif defined(arch_xchg)
#define raw_xchg_release arch_xchg
#else
extern void raw_xchg_release_not_implemented(void);
#define raw_xchg_release(...) raw_xchg_release_not_implemented()
#endif

#if defined(arch_xchg_relaxed)
#define raw_xchg_relaxed arch_xchg_relaxed
#elif defined(arch_xchg)
#define raw_xchg_relaxed arch_xchg
#else
extern void raw_xchg_relaxed_not_implemented(void);
#define raw_xchg_relaxed(...) raw_xchg_relaxed_not_implemented()
#endif

#if defined(arch_cmpxchg)
#define raw_cmpxchg arch_cmpxchg
#elif defined(arch_cmpxchg_relaxed)
#define raw_cmpxchg(...) \
	__atomic_op_fence(arch_cmpxchg, __VA_ARGS__)
#else
extern void raw_cmpxchg_not_implemented(void);
#define raw_cmpxchg(...) raw_cmpxchg_not_implemented()
#endif

#if defined(arch_cmpxchg_acquire)
#define raw_cmpxchg_acquire arch_cmpxchg_acquire
#elif defined(arch_cmpxchg_relaxed)
#define raw_cmpxchg_acquire(...) \
	__atomic_op_acquire(arch_cmpxchg, __VA_ARGS__)
#elif defined(arch_cmpxchg)
#define raw_cmpxchg_acquire arch_cmpxchg
#else
extern void raw_cmpxchg_acquire_not_implemented(void);
#define raw_cmpxchg_acquire(...) raw_cmpxchg_acquire_not_implemented()
#endif

#if defined(arch_cmpxchg_release)
#define raw_cmpxchg_release arch_cmpxchg_release
#elif defined(arch_cmpxchg_relaxed)
#define raw_cmpxchg_release(...) \
	__atomic_op_release(arch_cmpxchg, __VA_ARGS__)
#elif defined(arch_cmpxchg)
#define raw_cmpxchg_release arch_cmpxchg
#else
extern void raw_cmpxchg_release_not_implemented(void);
#define raw_cmpxchg_release(...) raw_cmpxchg_release_not_implemented()
#endif

#if defined(arch_cmpxchg_relaxed)
#define raw_cmpxchg_relaxed arch_cmpxchg_relaxed
#elif defined(arch_cmpxchg)

Annotation

Implementation Notes