/* 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 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