disable the hyper threading ON Linux

[Jeff Burke]

Davis is correct RHEL3 U6 had the noht option available. But there were
2 BZ fixed in RHEL3-U7

137101 - 'noht' does not work for ia32e
137344 - Cannot disable hyperthreading on x86_64 platform

So even though the command line option is added it may not actually work
 in RHEL3 U6

Thanks,
Jeff

Davis_Phillips at dell.com wrote:
> “noht” appended to the kernel line should disable it.
> 
>  
> 
> You can verify by checking for the “ht” CPU flag after this
> modification.  (cat /proc/cpuinfo)
> 
>  
> 
>  
> 
> Thank you,
> Davis
> 
> *From:* linux-poweredge-bounces at dell.com
> [mailto:linux-poweredge-bounces at dell.com] *On Behalf Of *Santhosh kumar
> *Sent:* Wednesday, November 28, 2007 12:55 PM
> *To:* linux-poweredge-Lists
> *Cc:* linux-poweredge-bounces-Lists
> *Subject:* disable the hyper threading ON Linux
> 
>  
> 
> Some one guide me how to disable the hyper threading on Dell 2650? I am
> running rhel 3 update 6. Is there any way I can do this modification
> from the OS level.
> 
>  
> 
> Thanks in advance
> 
> Santhosh
> 
> 
> 
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