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CONFIG_RSEQ: Enable rseq() system call

General informations

The Linux kernel configuration item CONFIG_RSEQ:

Help text

Enable the restartable sequences system call. It provides a user-space cache for the current CPU number value, which speeds up getting the current CPU number from user-space, as well as an ABI to speed up user-space operations on per-CPU data.

If unsure, say Y.

Hardware

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