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Linux 4.18 Landing Restartable Sequences System Call, Yields Performance Benefits

Jun 11, 2018, 06:00 (0 Talkback[s])
(Other stories by Michael Larabel)

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.

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