CONFIG_IO_EVENT_IRQ: IO Event Interrupt support

General informations

The Linux kernel configuration item CONFIG_IO_EVENT_IRQ:

• prompt: IO Event Interrupt support
• type: bool
• depends on: CONFIG_PPC_PSERIES
• defined in arch/powerpc/platforms/pseries/Kconfig
• found in Linux kernels: 3.0–3.19, 4.0–4.20, 5.0–5.19, 6.0–6.12, 6.13-rc+HEAD

Help text

Select this option, if you want to enable support for IO Event interrupts. IO event interrupt is a mechanism provided by RTAS to return information about hardware error and non-error events which may need OS attention. RTAS returns events for multiple event types and scopes. Device drivers can register their handlers to receive events.

This option will only enable the IO event platform code. You will still need to enable or compile the actual drivers that use this infrastructure to handle IO event interrupts.

Say Y 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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