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SubjectRe: [PATCH] Display Intel Dynamic Acceleration feature in /proc/cpuinfo
Date
On Thursday 24 May 2007 23:01:04 Dave Jones wrote:
> On Thu, May 24, 2007 at 01:55:13PM -0700, Andrew Morton wrote:
> > On Wed, 23 May 2007 15:46:37 -0700
> > Venki Pallipadi <venkatesh.pallipadi@intel.com> wrote:
> >
> > > Display Intel Dynamic Acceleration feature in /proc/cpuinfo. This feature
> > > will be enabled automatically by current acpi-cpufreq driver and cpufreq.
> >
> > So you're saying that the cpufreq code in Linus's tree aleady supports IDA?
> > If so, this is a 2.6.22 patch, isn't it?
>
> From my limited understanding[*], ida is the "We're single threaded,
> disable the 2nd core, and clock the first core faster" magic.
> It doesn't need code-changes, as its all done in hardware afaik.

P0 is somewhat visible to software, but it should be pretty transparent

>
> identifying & exporting the flags on earlier kernels should be harmless,
> but not really 'mustfix'.

I think it's generally a good idea to push cpuinfo flags in earliest
as possible; just make sure we actually use the final name (so that we don't get
into a pni->sse3 mess again)

-Andi
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