CONFIG_PREEMPT_LAZY: Scheduler controlled preemption model

General informations

The Linux kernel configuration item CONFIG_PREEMPT_LAZY:

• prompt: Scheduler controlled preemption model
• type: bool
• depends on: (! CONFIG_ARCH_NO_PREEMPT ) && ( CONFIG_ARCH_HAS_PREEMPT_LAZY )
• defined in kernel/Kconfig.preempt
• found in Linux kernels: 6.13-rc+HEAD

Help text

This option provides a scheduler driven preemption model that is fundamentally similar to full preemption, but is less eager to preempt SCHED_NORMAL tasks in an attempt to reduce lock holder preemption and recover some of the performance gains seen from using Voluntary preemption.

Hardware

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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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