Re: Hyper-threaded pickle
From: Jeff Garzik
Date: Sat Mar 06 2004 - 10:42:22 EST
Len Brown wrote:
Re: old systems -- we use dmi_scan to disable ACPI on systems by default
on systems older than 1/1/2001.
What happens for the no-DMI case?
Re: opteron & !HT. Andi showed me a patch today that disables X86_HT if
you build specifically for an AMD CPU that doesn't support HT. This
looks like a good idea, and possibly should be expanded.
Cool.
My main worry/concern is breaking older systems, due to this change in
behavior.
An easy first step is to make CONFIG_X86_HT selectable again.
Jeff
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