> > + ivrs_acpihid [HW,X86_64]
> > + Provide an override to the ACPI-HID:UID<->DEVICE-ID
> > + mapping provided in the IVRS ACPI table. For
> > + example, to map UART-HID:UID AMD0020:0 to
> > + PCI device 00:14.5 write the parameter as:
> > + ivrs_acpihid[00:14.5]=AMD0020:0
>
> What is that parameter needed for? Can't you deduce the mapping from the
> hardware?
It is very like ivrs_ioapic/ ivrs_hpet, which can override the dedicated BDF id mapped to HID:UID that was reported from BIOS's IVHD entry.
If BIOS did not report a right BDF, we can resort to this parameter to correct it.
>
> --
> Regards/Gruss,
> Boris.
>
> ECO tip #101: Trim your mails when you reply.
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