RE: [PATCH] Display Intel Dynamic Acceleration feature in /proc/cpuinfo

Pallipadi, Venkatesh
2007-05-24T23:13:21Z

>-----Original Message-----
>From: H. Peter Anvin [mailto:hpa@zytor.com]
>Sent: Thursday, May 24, 2007 4:04 PM
>To: Pallipadi, Venkatesh
>Cc: Andi Kleen; Dave Jones; Andrew Morton; Brown, Len; linux-kernel
>Subject: Re: [PATCH] Display Intel Dynamic Acceleration
>feature in /proc/cpuinfo
>
>Venki Pallipadi wrote:
>>
>> I can do it in intel setup function. But, the feature may
>not be activated
>> unless the driver is loaded. Going by the hardware capability point
>> of view, we can do it in setup function.
>>
>> The feature appears in CPUID 6 (called Power Management
>Leaf) instead of
>> regular CPUID 1 features.
>>
>
>This sounds like it should be a new CPUID word?
>

Yes. But it only has 3 features defined right now. 2 in EAX and one in
ECX. Should I use 2 new words for these bits or just use the software
defined bits as in my earlier patch?

Thanks,
Venki