CONFIG_LIGHTWEIGHT_SPINLOCK_CHECK: Enable lightweight spinlock checks

General informations

The Linux kernel configuration item CONFIG_LIGHTWEIGHT_SPINLOCK_CHECK:

• prompt: Enable lightweight spinlock checks
• type: bool
• depends on: CONFIG_DEBUG_KERNEL && CONFIG_SMP && ! CONFIG_DEBUG_SPINLOCK
• defined in arch/parisc/Kconfig.debug
• found in Linux kernels: 6.4–6.8, 6.9-rc+HEAD

Help text

Add checks with low performance impact to the spinlock functions to catch memory overwrites at runtime. For more advanced spinlock debugging you should choose the DEBUG_SPINLOCK option which will detect unitialized spinlocks too. If unsure say Y here.

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The data is retrived from:

• Linux kernel
• Linux Kernel Driver DataBase (LKDDb)

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