CONFIG_DEBUG_SPINLOCK: Spinlock and rw-lock debugging: basic checks

General informations

The Linux kernel configuration item CONFIG_DEBUG_SPINLOCK has multiple definitions:

Spinlock and rw-lock debugging: basic checks found in lib/Kconfig.debug

The configuration item CONFIG_DEBUG_SPINLOCK:

• prompt: Spinlock and rw-lock debugging: basic checks
• type: bool
• depends on: CONFIG_DEBUG_KERNEL
• defined in lib/Kconfig.debug
• found in Linux kernels: 2.6.18–2.6.39, 3.0–3.19, 4.0–4.20, 5.0–5.19, 6.0–6.12

Help text

Say Y here and build SMP to catch missing spinlock initialization and certain other kinds of spinlock errors commonly made. This is best used in conjunction with the NMI watchdog so that spinlock deadlocks are also debuggable.

Spinlock debugging found in lib/Kconfig.debug

The configuration item CONFIG_DEBUG_SPINLOCK:

• prompt: Spinlock debugging
• type: bool
• depends on: CONFIG_DEBUG_KERNEL
• defined in lib/Kconfig.debug
• found in Linux kernels: 2.6.9–2.6.17

Help text

Say Y here and build SMP to catch missing spinlock initialization and certain other kinds of spinlock errors commonly made. This is best used in conjunction with the NMI watchdog so that spinlock deadlocks are also debuggable.

Spinlock debugging found in arch/frv/Kconfig

The configuration item CONFIG_DEBUG_SPINLOCK:

• prompt: Spinlock debugging
• type: bool
• depends on: CONFIG_DEBUG_KERNEL
• defined in arch/frv/Kconfig
• found in Linux kernels: 2.6.11

Help text

Say Y here and build SMP to catch missing spinlock initialization and certain other kinds of spinlock errors commonly made. This is best used in conjunction with the NMI watchdog so that spinlock deadlocks are also debuggable.

Spinlock debugging found in arch/m32r/Kconfig

The configuration item CONFIG_DEBUG_SPINLOCK:

• prompt: Spinlock debugging
• type: bool
• depends on: CONFIG_DEBUG_KERNEL
• defined in arch/m32r/Kconfig
• found in Linux kernels: 2.6.9

Help text

Say Y here and build SMP to catch missing spinlock initialization and certain other kinds of spinlock errors commonly made. This is best used in conjunction with the NMI watchdog so that spinlock deadlocks are also debuggable.

Debug spinlocks usage found in arch/um/Kconfig

The configuration item CONFIG_DEBUG_SPINLOCK:

• prompt: Debug spinlocks usage
• type: bool
• depends on: (none)
• defined in arch/um/Kconfig
• found in Linux kernels: 2.5.60–2.5.75, 2.6.0–2.6.8

Help text

(none)

Spinlock debugging found in arch/x86_64/Kconfig

The configuration item CONFIG_DEBUG_SPINLOCK:

• prompt: Spinlock debugging
• type: bool
• depends on: CONFIG_DEBUG_KERNEL
• defined in arch/x86_64/Kconfig
• found in Linux kernels: 2.5.45–2.5.75, 2.6.0–2.6.8

Help text

Say Y here and build SMP to catch missing spinlock initialization and certain other kinds of spinlock errors commonly made. This is best used in conjunction with the NMI watchdog so that spinlock deadlocks are also debuggable.

Spinlock debugging found in arch/sparc64/Kconfig

The configuration item CONFIG_DEBUG_SPINLOCK:

• prompt: Spinlock debugging
• type: bool
• depends on: CONFIG_DEBUG_KERNEL
• defined in arch/sparc64/Kconfig
• found in Linux kernels: 2.5.45–2.5.75, 2.6.0–2.6.8

Help text

Say Y here and build SMP to catch missing spinlock initialization and certain other kinds of spinlock errors commonly made. This is best used in conjunction with the NMI watchdog so that spinlock deadlocks are also debuggable.

Spinlock debugging found in arch/sparc/Kconfig

The configuration item CONFIG_DEBUG_SPINLOCK:

• prompt: Spinlock debugging
• type: bool
• depends on: CONFIG_DEBUG_KERNEL
• defined in arch/sparc/Kconfig
• found in Linux kernels: 2.5.45–2.5.75, 2.6.0–2.6.8

Help text

Say Y here and build SMP to catch missing spinlock initialization and certain other kinds of spinlock errors commonly made. This is best used in conjunction with the NMI watchdog so that spinlock deadlocks are also debuggable.

Spinlock debugging found in arch/sh/Kconfig

The configuration item CONFIG_DEBUG_SPINLOCK:

• prompt: Spinlock debugging
• type: bool
• depends on: (none)
• defined in arch/sh/Kconfig
• found in Linux kernels: 2.5.71–2.5.75, 2.6.0–2.6.8

Help text

Say Y here and build SMP to catch missing spinlock initialization and certain other kinds of spinlock errors commonly made. This is best used in conjunction with the NMI watchdog so that spinlock deadlocks are also debuggable.

Spinlock debugging found in arch/ppc/Kconfig

The configuration item CONFIG_DEBUG_SPINLOCK:

• prompt: Spinlock debugging
• type: bool
• depends on: CONFIG_DEBUG_KERNEL
• defined in arch/ppc/Kconfig
• found in Linux kernels: 2.5.45–2.5.75, 2.6.0–2.6.8

Help text

Say Y here and to SMP to include code to check for missing spinlock initialization and some other common spinlock errors.

Spinlock debugging found in arch/parisc/Kconfig

The configuration item CONFIG_DEBUG_SPINLOCK:

• prompt: Spinlock debugging
• type: bool
• depends on: CONFIG_DEBUG_KERNEL
• defined in arch/parisc/Kconfig
• found in Linux kernels: 2.6.8

Help text

Say Y here and build SMP to catch missing spinlock initialization and certain other kinds of spinlock errors commonly made. This is best used in conjunction with the NMI watchdog so that spinlock deadlocks are also debuggable.

Spinlock debugging found in arch/mips/Kconfig

The configuration item CONFIG_DEBUG_SPINLOCK:

• prompt: Spinlock debugging
• type: bool
• depends on: CONFIG_DEBUG_KERNEL
• defined in arch/mips/Kconfig
• found in Linux kernels: 2.6.4–2.6.8

Help text

Say Y here and build SMP to catch missing spinlock initialization and certain other kinds of spinlock errors commonly made. This is best used in conjunction with the NMI watchdog so that spinlock deadlocks are also debuggable.

Spinlock debugging found in arch/ia64/Kconfig

The configuration item CONFIG_DEBUG_SPINLOCK:

• prompt: Spinlock debugging
• type: bool
• depends on: CONFIG_DEBUG_KERNEL
• defined in arch/ia64/Kconfig
• found in Linux kernels: 2.5.45–2.5.75, 2.6.0–2.6.8

Help text

Say Y here and build SMP to catch missing spinlock initialization and certain other kinds of spinlock errors commonly made. This is best used in conjunction with the NMI watchdog so that spinlock deadlocks are also debuggable.

Spinlock debugging found in arch/i386/Kconfig

The configuration item CONFIG_DEBUG_SPINLOCK:

• prompt: Spinlock debugging
• type: bool
• depends on: CONFIG_DEBUG_KERNEL
• defined in arch/i386/Kconfig
• found in Linux kernels: 2.5.45–2.5.75, 2.6.0–2.6.8

Help text

Say Y here and build SMP to catch missing spinlock initialization and certain other kinds of spinlock errors commonly made. This is best used in conjunction with the NMI watchdog so that spinlock deadlocks are also debuggable.

Spinlock debugging found in arch/arm26/Kconfig

The configuration item CONFIG_DEBUG_SPINLOCK:

• prompt: Spinlock debugging
• type: bool
• depends on: CONFIG_DEBUG_KERNEL
• defined in arch/arm26/Kconfig
• found in Linux kernels: 2.5.71–2.5.75, 2.6.0–2.6.8

Help text

Say Y here and build SMP to catch missing spinlock initialization and certain other kinds of spinlock errors commonly made. This is best used in conjunction with the NMI watchdog so that spinlock deadlocks are also debuggable.

Spinlock debugging found in arch/arm/Kconfig

The configuration item CONFIG_DEBUG_SPINLOCK:

• prompt: Spinlock debugging
• type: bool
• depends on: CONFIG_DEBUG_KERNEL
• defined in arch/arm/Kconfig
• found in Linux kernels: 2.5.45–2.5.75, 2.6.0–2.6.8

Help text

Say Y here and build SMP to catch missing spinlock initialization and certain other kinds of spinlock errors commonly made. This is best used in conjunction with the NMI watchdog so that spinlock deadlocks are also debuggable.

Spinlock debugging found in arch/alpha/Kconfig

The configuration item CONFIG_DEBUG_SPINLOCK:

• prompt: Spinlock debugging
• type: bool
• depends on: CONFIG_DEBUG_KERNEL
• defined in arch/alpha/Kconfig
• found in Linux kernels: 2.5.45–2.5.75, 2.6.0–2.6.8

Help text

Say Y here and build SMP to catch missing spinlock initialization and certain other kinds of spinlock errors commonly made. This is best used in conjunction with the NMI watchdog so that spinlock deadlocks are also debuggable.

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The data is retrived from:

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• Linux Kernel Driver DataBase (LKDDb)

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