CONFIG_RCU_EXP_KTHREAD: Perform RCU expedited work in a real-time kthread

General informations

The Linux kernel configuration item CONFIG_RCU_EXP_KTHREAD:

• prompt: Perform RCU expedited work in a real-time kthread
• type: bool
• depends on: CONFIG_RCU_BOOST && CONFIG_RCU_EXPERT
• defined in kernel/rcu/Kconfig
• found in Linux kernels: 5.19, 6.0–6.12, 6.13-rc+HEAD

Help text

Use this option to further reduce the latencies of expedited grace periods at the expense of being more disruptive.

This option is disabled by default on PREEMPT_RT=y kernels which disable expedited grace periods after boot by unconditionally setting rcupdate.rcu_normal_after_boot=1.

Accept the default if unsure.

Hardware

LKDDb

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Sources

This page is automaticly generated with free (libre, open) software lkddb(see lkddb-sources).

The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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