CONFIG_PREEMPT_BKL: Preempt The Big Kernel Lock

General informations

The Linux kernel configuration item CONFIG_PREEMPT_BKL has multiple definitions:

Preempt The Big Kernel Lock found in arch/mn10300/Kconfig

The configuration item CONFIG_PREEMPT_BKL:

• prompt: Preempt The Big Kernel Lock
• type: bool
• depends on: CONFIG_PREEMPT
• defined in arch/mn10300/Kconfig
• found in Linux kernels: 2.6.25

Help text

This option reduces the latency of the kernel by making the big kernel lock preemptible.

Say Y here if you are building a kernel for a desktop system. Say N if you are unsure.

Preempt The Big Kernel Lock found in kernel/Kconfig.preempt

The configuration item CONFIG_PREEMPT_BKL:

• prompt: Preempt The Big Kernel Lock
• type: bool
• depends on: CONFIG_SMP || CONFIG_PREEMPT
• defined in kernel/Kconfig.preempt
• found in Linux kernels: 2.6.13–2.6.24

Help text

This option reduces the latency of the kernel by making the big kernel lock preemptible.

Say Y here if you are building a kernel for a desktop system. Say N if you are unsure.

Preempt The Big Kernel Lock found in arch/x86_64/Kconfig

The configuration item CONFIG_PREEMPT_BKL:

• prompt: Preempt The Big Kernel Lock
• type: bool
• depends on: CONFIG_PREEMPT
• defined in arch/x86_64/Kconfig
• found in Linux kernels: 2.6.11–2.6.12

Help text

This option reduces the latency of the kernel by making the big kernel lock preemptible.

Say Y here if you are building a kernel for a desktop system. Say N if you are unsure.

Preempt The Big Kernel Lock found in arch/ppc64/Kconfig

The configuration item CONFIG_PREEMPT_BKL:

• prompt: Preempt The Big Kernel Lock
• type: bool
• depends on: CONFIG_PREEMPT
• defined in arch/ppc64/Kconfig
• found in Linux kernels: 2.6.11–2.6.12

Help text

This option reduces the latency of the kernel by making the big kernel lock preemptible.

Say Y here if you are building a kernel for a desktop system. Say N if you are unsure.

Preempt The Big Kernel Lock found in arch/i386/Kconfig

The configuration item CONFIG_PREEMPT_BKL:

• prompt: Preempt The Big Kernel Lock
• type: bool
• depends on: CONFIG_PREEMPT
• defined in arch/i386/Kconfig
• found in Linux kernels: 2.6.11–2.6.12

Help text

This option reduces the latency of the kernel by making the big kernel lock preemptible.

Say Y here if you are building a kernel for a desktop system. Say N if you are unsure.

Hardware

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The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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