Linux 4.18 Landing Restartable Sequences System Call, Yields Performance Benefits | Linux Today
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Linux 4.18 Landing Restartable Sequences System Call, Yields Performance Benefits

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Michael Larabel
Jun 11, 2018

The new RSEQ system call allows for faster user-space operations on per-CPU data by providing a shared data structure ABI between each user-space thread and the kernel. This allows update operations on per-CPU data without needing expensive atomic operations.
ML

Michael Larabel

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