Re: [PATCH v4 06/17] PCI: add SIOV and IMS capability detection

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> Hi David
>
> I did't follow the support for 32768 CPUs in guest without IR support.
>
> Can you tell me how that is done?



Using bits 11-5 of the MSI address bits (the other 7 bits of "Extended
Destination ID" that aren't the Remappable Format indicator).

And physical addressing mode, which is no loss for external interrupts
since they're all unicast dest_Fixed these days anyway.


-- 
dwmw2




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