On 01/04/2016 10:14, Richard W.M. Jones wrote:
>> > At least ACPI (I would also add mptable and SMBIOS).
> Found it: only CONFIG_MPTABLE=y was necessary.  It boots with:
> 
> # CONFIG_PIRTABLE is not set
> CONFIG_MPTABLE=y
> # CONFIG_SMBIOS is not set
> # CONFIG_ACPI is not set

If you add all three it should not give any slowdown and will provide
full hardware features to the kernel.  qboot does ACPI and PCI bus
assignment (it doesn't do SMBIOS because I got bored debugging it. :))

Paolo

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