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   1 #include <linux/config.h>
   2
   3 #ifdef CONFIG_SMP
   4         .macro LOCK_PREFIX
   5 1:      lock
   6         .section .smp_locks,"a"
   7         .align 4
   8         .long 1b
   9         .previous
  10         .endm
  11 #else
  12         .macro LOCK_PREFIX
  13         .endm
  14 #endif