Re: [Linaro-acpi] [PATCH v2 06/18] ARM64 / ACPI: Parse MADT to map logical cpu to MPIDR and get cpu_possible/present_map

From: Zi Shen Lim
Date: Tue Aug 19 2014 - 12:46:26 EST


Hanjun,

On Tue, Aug 19, 2014 at 6:00 AM, Hanjun Guo <hanjun.guo@xxxxxxxxxx> wrote:
> Will INTERRUPT_CONTROLLER confuse people? There is only one GIC redistributor
> (some people regard it as interrupt controller) in ARM system, if we use
> INTERRUPT_CONTROLLER people will regard it as multi-redistributors in the
> system, I think GIC_CPU_INTERFACE would be better, what do you think?

I think you meant to say "one GIC _distributor_" (GICD) instead of
redistributor (GICR).
ACPI5.1 only describes one GICD per system, but we can most certainly
describe multiple GICRs.
For multi-cpu systems, you'll definitely see multiple GIC redistributors.
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