arch/arm/mach-realview/include/mach/barriers.h

   1 /*
   2  * Barriers redefined for RealView ARM11MPCore platforms with L220 cache
   3  * controller to work around hardware errata causing the outer_sync()
   4  * operation to deadlock the system.
   5  */
   6 #define mb()            dsb()
   7 #define rmb()           dsb()
   8 #define wmb()           mb()