WSL2-Linux-Kernel/include/asm-powerpc/synch.h

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C
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#ifndef _ASM_POWERPC_SYNCH_H
#define _ASM_POWERPC_SYNCH_H
#ifdef __KERNEL__
#include <linux/stringify.h>
#ifdef __powerpc64__
#define __SUBARCH_HAS_LWSYNC
#endif
#ifdef __SUBARCH_HAS_LWSYNC
# define LWSYNC lwsync
#else
# define LWSYNC sync
#endif
#ifdef CONFIG_SMP
#define ISYNC_ON_SMP "\n\tisync\n"
#define LWSYNC_ON_SMP __stringify(LWSYNC) "\n"
#else
#define ISYNC_ON_SMP
#define LWSYNC_ON_SMP
#endif
static inline void eieio(void)
{
__asm__ __volatile__ ("eieio" : : : "memory");
}
static inline void isync(void)
{
__asm__ __volatile__ ("isync" : : : "memory");
}
#endif /* __KERNEL__ */
#endif /* _ASM_POWERPC_SYNCH_H */