提交 99fdb2fe 编写于 作者: L Linus Torvalds
......@@ -460,9 +460,9 @@ EX(.fail_efault, ld8 r14=[r33]) // r14 <- *set
;;
st8 [r2]=r14 // update current->blocked with new mask
cmpxchg4.acq r14=[r9],r18,ar.ccv // current->thread_info->flags <- r18
cmpxchg4.acq r8=[r9],r18,ar.ccv // current->thread_info->flags <- r18
;;
cmp.ne p6,p0=r17,r14 // update failed?
cmp.ne p6,p0=r17,r8 // update failed?
(p6) br.cond.spnt.few 1b // yes -> retry
#ifdef CONFIG_SMP
......
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