试一下改成以下?
static inline void atomic_incl(volatile int *indx)
{
  asm volatile("lock;" "incl %0"
          : "+m" (*indx)); /* 加个星号 */
}

2011/7/12 Peng潇湘竹影 <[email protected]>

> static inline void atomic_incl(volatile int *indx)
> {
>   asm volatile("lock;" "incl %0"
>           : "+m" (indx));
> }
>
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