Kernel  |  3.14
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  1. 根目录:
  2. arch
  3. arm
  4. mach-realview
  5. include
  6. mach
  7. barriers.h
C++程序  |  9行  |  248 B 
/*
 * Barriers redefined for RealView ARM11MPCore platforms with L220 cache
 * controller to work around hardware errata causing the outer_sync()
 * operation to deadlock the system.
 */
#define mb()		dsb()
#define rmb()		dsb()
#define wmb()		mb()