>> CONFIG_ACPI=y is necessary to parse the ACPI tables
>> and discover HT siblings. Except for the rare BIOS
>> that gives the option to enumerate HT via MPS
>> (thus breaking some versions of Windows),
>> enabling ACPI is the only way to enable HT.
>>
>> Yes, in the distant past, CONFIG_ACPI=n did not remove
>> all ACPI code from your kernel, and that was a bug.
>
>Ok thanks for the confirmation.
>
>However the proposed change would be still wrong because
>SMP can be without HT.
What proposed change?
I expect that the problem at hand is that CONFIG_SMP=y
is fine, but with CONFIG_ACPI=n, that isn't going to
find the HT threads on an HT system.
-Len
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