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(I'm so sorry!) Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
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1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374/* SPDX-License-Identifier: GPL-2.0 */#include <linux/compiler.h>#if defined(__i386__) || defined(__x86_64__)#include "../../arch/x86/include/asm/barrier.h"#elif defined(__arm__)#include "../../arch/arm/include/asm/barrier.h"#elif defined(__aarch64__)#include "../../arch/arm64/include/asm/barrier.h"#elif defined(__powerpc__)#include "../../arch/powerpc/include/asm/barrier.h"#elif defined(__riscv)#include "../../arch/riscv/include/asm/barrier.h"#elif defined(__s390__)#include "../../arch/s390/include/asm/barrier.h"#elif defined(__sh__)#include "../../arch/sh/include/asm/barrier.h"#elif defined(__sparc__)#include "../../arch/sparc/include/asm/barrier.h"#elif defined(__tile__)#include "../../arch/tile/include/asm/barrier.h"#elif defined(__alpha__)#include "../../arch/alpha/include/asm/barrier.h"#elif defined(__mips__)#include "../../arch/mips/include/asm/barrier.h"#elif defined(__ia64__)#include "../../arch/ia64/include/asm/barrier.h"#elif defined(__xtensa__)#include "../../arch/xtensa/include/asm/barrier.h"#else#include <asm-generic/barrier.h>#endif
/* * Generic fallback smp_*() definitions for archs that haven't * been updated yet. */
#ifndef smp_rmb# define smp_rmb() rmb()#endif
#ifndef smp_wmb# define smp_wmb() wmb()#endif
#ifndef smp_mb# define smp_mb() mb()#endif
#ifndef dma_rmb# define dma_rmb() rmb()#endif
#ifndef dma_wmb# define dma_wmb() wmb()#endif
#ifndef smp_store_release# define smp_store_release(p, v) \do { \ smp_mb(); \ WRITE_ONCE(*p, v); \} while (0)#endif
#ifndef smp_load_acquire# define smp_load_acquire(p) \({ \ typeof(*p) ___p1 = READ_ONCE(*p); \ smp_mb(); \ ___p1; \})#endif