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CONFIG_ARM64_PSEUDO_NMI: Support for NMI-like interrupts

General informations

The Linux kernel configuration item CONFIG_ARM64_PSEUDO_NMI:

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Adds support for mimicking Non-Maskable Interrupts through the use of GIC interrupt priority. This support requires version 3 or later of ARM GIC.

This high priority configuration for interrupts needs to be explicitly enabled by setting the kernel parameter "irqchip.gicv3_pseudo_nmi" to 1.

If unsure, say N

Hardware

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