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SubjectRe: [BUG?] Xeon with HyperThreading and linux-2.4.20-rc2

On Wed, Nov 20, 2002 at 02:27:20PM +0100, Steffen Persvold wrote:
>
> Sure, the bios has this option (and it works). I just believed the 'noht'
> option would disable it from a kernel perspective. I understand that if
> the MP table lists 4 processors, the kernel must think it is 4 processors
> and enable them. But what is the purpose of the 'noht' option ? If it is
> to avoid scanning the ACPI table for CPUs, wouldn't it be less confusing
> to call it something like 'acpismp=disable', since you apparently can't
> disable the siblings anyway (when they are also listed in the MP table) ?

in theory we can, at least with the O(1) scheduling infrastructure
it's easy. it's just that nobody cared enough so far to do it
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