Disabling second core?

[Michael E Brown]

Boot with 'noht' to disable hyperthreading. Or go into BIOS and disable
hyperthreading. Or just boot to your non-smp kernel.
--
Michael

On Tue, 2006-10-31 at 07:40 -0500, Shane Presley wrote:
> Hello,
> 
> We have some 1850s that have XEON processors that present themselves
> to the OS as two CPUs.
> 
> Our software package license is based on CPU, so they count that as two CPUs.
> 
> Is there a way to turn off that "second" CPU, so the OS only sees on.
> Yes, it's okay if it turns off the functionality of a second CPU, we
> just want to test performance.
> 
> Same question applies to dualcore CPUs.  Is there a BIOS option to
> disable the second core, for license restriction reasons?
> 
> Thanks
> Shane
> 
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