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CONFIG_DEBUG_SHIRQ: Debug shared IRQ handlers

General informations

The Linux kernel configuration item CONFIG_DEBUG_SHIRQ:

• prompt: Debug shared IRQ handlers
• type: bool
• depends on: CONFIG_DEBUG_KERNEL && CONFIG_GENERIC_HARDIRQS
• defined in lib/Kconfig.debug
• found in Linux kernels: 2.6.21–2.6.39, 3.0–3.9, 3.10-rc+HEAD

Help text

Enable this to generate a spurious interrupt as soon as a shared interrupt handler is registered, and just before one is deregistered. Drivers ought to be able to handle interrupts coming in at those points; some don't and need to be caught.

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