Re: [PATCH 0/4] Disable Mwait for CPU C-states and add the boot option of "idle=nomwait" ,"idle=halt"

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On Tue, 17 Jun 2008, Zhao Yakui wrote:

> Hi, all,
>     This following patch series is to disable mwait for CPU C-states and add the boot option
> of "idle=nomwait", "idle=halt"
>     Patch 01:
> 	Disable the C2C3_FFH access mode if MWAIT is unsupported

I applied this from bugzilla 10807

>     Patch 02:
> 	Add the boot option of "idle=halt". If the option of "idle=halt" is added,
> Halt will be used for CPU idle. In such case CPU C-state won't be used again for CPU idle.

I applied this from bugzilla 10807

>     Patch 03: 
>        Add boot option of "idle=nomwait" to disable mwait for CPU
> C-states. If the option of "idle=nomwait" is added, OSPM won't
> use mwait for CPU C-states. 

I don't see an e-mail with this one,
and the one in bugzilla 10807 appears to be an outdated patch.

thanks,
-Len

>     Patch 04:
>        Add DMI check to disable mwait for CPU C-states. For the bogus
> BIOS the mwait will automatically be disabled for CPU C-states.
>     
>     Thanks for the review.
>    
> Yakui
> 
> 
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