CONFIG_DEBUG_RWLOCK: Read-write spinlock debugging

General informations

The Linux kernel configuration item CONFIG_DEBUG_RWLOCK has multiple definitions:

Read-write spinlock debugging found in arch/parisc/Kconfig.debug

The configuration item CONFIG_DEBUG_RWLOCK:

• prompt: Read-write spinlock debugging
• type: bool
• depends on: CONFIG_DEBUG_KERNEL && CONFIG_SMP
• defined in arch/parisc/Kconfig.debug
• found in Linux kernels: 2.6.9–2.6.24

Help text

If you say Y here then read-write lock processing will count how many times it has tried to get the lock and issue an error message after too many attempts. If you suspect a rwlock problem or a kernel hacker asks for this option then say Y. Otherwise say N.

Read-write spinlock debugging found in arch/alpha/Kconfig.debug

The configuration item CONFIG_DEBUG_RWLOCK:

• prompt: Read-write spinlock debugging
• type: bool
• depends on: CONFIG_DEBUG_KERNEL
• defined in arch/alpha/Kconfig.debug
• found in Linux kernels: 2.6.9–2.6.24

Help text

If you say Y here then read-write lock processing will count how many times it has tried to get the lock and issue an error message after too many attempts. If you suspect a rwlock problem or a kernel hacker asks for this option then say Y. Otherwise say N.

Read-write spinlock debugging found in arch/parisc/Kconfig

The configuration item CONFIG_DEBUG_RWLOCK:

• prompt: Read-write spinlock debugging
• type: bool
• depends on: CONFIG_DEBUG_KERNEL && CONFIG_SMP
• defined in arch/parisc/Kconfig
• found in Linux kernels: 2.6.8

Help text

If you say Y here then read-write lock processing will count how many times it has tried to get the lock and issue an error message after too many attempts. If you suspect a rwlock problem or a kernel hacker asks for this option then say Y. Otherwise say N.

Read-write spinlock debugging found in arch/alpha/Kconfig

The configuration item CONFIG_DEBUG_RWLOCK:

• prompt: Read-write 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

If you say Y here then read-write lock processing will count how many times it has tried to get the lock and issue an error message after too many attempts. If you suspect a rwlock problem or a kernel hacker asks for this option then say Y. Otherwise say N.

Hardware

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The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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