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SubjectRe: 2.6.4-mm2


Len Brown wrote:

>On Fri, 2004-03-19 at 23:19, Brown, Len wrote:
>
>>CONFIG_X86_HT=y does not enable HT.
>>CONFIG_X86_HT=n does not disable HT.
>>It only controls if the cpu_sibling_map[] etc. are initialized.
>>
>>acpi=off does not disable HT
>>
>
>oops, that line incorrect.
>we fixed "acpi=off" to _really_ mean ACPI off -- table parsing
>and all, so it does disable HT, along w/ all the other stuff
>that depends on ACPI.
>
>

So how come oprofile seems to think there is a sibling?
Can you verify both cases use physical only CPUs?

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