Re: [PATCH v3 1/4] KVM: x86: Split the APIC from the rest of IRQCHIP.

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> From the perspective of avoiding impacting other architectures, this is a
> good idea, but the naming seems strange in the x86 case. Having
> irqchip_in_kernel be "true" when the ioapic/pic are in userspace seems
> strange. Admittedly, the irqchip isn't a "real" concept on x86, so
> inventing a new meaning is fine.

>From the KVM point of view, the "irqchip" is whatever delivers
interrupts to the vCPU---which is the LAPIC for x86.

Paolo
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