CONFIG_FORCE_TASKS_TRACE_RCU: Force selection of Tasks Trace RCU

General informations

The Linux kernel configuration item CONFIG_FORCE_TASKS_TRACE_RCU:

• prompt: Force selection of Tasks Trace RCU
• type: bool
• depends on: CONFIG_RCU_EXPERT
• defined in kernel/rcu/Kconfig
• found in Linux kernels: 5.19, 6.0–6.8, 6.9-rc+HEAD

Help text

This option enables a task-based RCU implementation that uses explicit rcu_read_lock_trace() read-side markers, and allows these readers to appear in the idle loop as well as on the CPU hotplug code paths. It can force IPIs on online CPUs, including idle ones, so use with caution. Not for manual selection in most cases.

Hardware

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The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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