谢谢，这下大概看明白了
可见代码还要加括号才清晰啊
- 来自 水木社区APP v3.5.5
【 在 chenpp 的大作中提到: 】
: A clean operation makes data from store operations performed by the set of c
: oherent agents visible to a set of non-coherent agents at a point common to
: both sets by performing a write transfer of a copy of a cache block to that
: point provided a coherent agent performed a store operation that modified th
: e data in the cache block since the previous invalidate, clean, or flush ope
: ration on the cache block
:
: A clean operation makes data (from store operation ....) visible to ... at a
:  point common to both sets. It achieves so by performing a write transfer (o
: f ....) to that point, provided/if a coherent agent performed a store operat
: ion (which modified data since ........ )
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