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CONFIG_IRQ_ALL_CPUS: Distribute interrupts on all CPUs by default

General informations

The Linux kernel configuration item CONFIG_IRQ_ALL_CPUS has multiple definitions:

Distribute interrupts on all CPUs by default found in arch/powerpc/Kconfig

The configuration item CONFIG_IRQ_ALL_CPUS:

Help text

This option gives the kernel permission to distribute IRQs across multiple CPUs. Saying N here will route all IRQs to the first CPU. Generally saying Y is safe, although some problems have been reported with SMP Power Macintoshes with this option enabled.

Distribute interrupts on all CPUs by default found in arch/ppc/Kconfig

The configuration item CONFIG_IRQ_ALL_CPUS:

Help text

This option gives the kernel permission to distribute IRQs across multiple CPUs. Saying N here will route all IRQs to the first CPU. Generally saying Y is safe, although some problems have been reported with SMP Power Macintoshes with this option enabled.

Distribute interrupts on all CPUs by default found in arch/ppc64/Kconfig

The configuration item CONFIG_IRQ_ALL_CPUS:

Help text

This option gives the kernel permission to distribute IRQs across multiple CPUs. Saying N here will route all IRQs to the first CPU.

Hardware

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