tools/arch/arm/include/asm/barrier.h

   1 #ifndef _TOOLS_LINUX_ASM_ARM_BARRIER_H
   2 #define _TOOLS_LINUX_ASM_ARM_BARRIER_H
   3
   4 /*
   5  * Use the __kuser_memory_barrier helper in the CPU helper page. See
   6  * arch/arm/kernel/entry-armv.S in the kernel source for details.
   7  */
   8 #define mb()            ((void(*)(void))0xffff0fa0)()
   9 #define wmb()           ((void(*)(void))0xffff0fa0)()
  10 #define rmb()           ((void(*)(void))0xffff0fa0)()
  11
  12 #endif /* _TOOLS_LINUX_ASM_ARM_BARRIER_H */