Unverified50% confidenceFactExact time

当慢速路径调用membarrier时，内核会向进程内所有正在运行的线程发送处理器间中断（IPI），强制它们执行一次内存屏障

1

Sources

50%

Confidence

Long-term

Relevance

7/8/2026

First Seen

Sources

C++ Asymmetric Memory Barriers: Principles, Implementation, and Engineering Applications

hackernewshackernews7/3/2026

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