#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	"
  \tisync
  "

  #define LWSYNC_ON_SMP	__stringify(LWSYNC) "
  "

  #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 */