Unverified50% confidenceFactExact time
RCU宽限期通过追踪每个CPU的静止状态（Quiescent State）判定，当所有CPU都经历至少一次QS后宽限期结束，写者才能安全释放旧数据
1
Sources
50%
Confidence
Long-term
Relevance
7/9/2026
First Seen
Sources
C++ Asymmetric Memory Barriers: Principles, Implementation, and Engineering Applications
hackernewshackernews7/3/2026
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