[PATCH v6 1/8] Documentation: arm: define DT cpu capacity-dmips-mhz bindings

Juri Lelli juri.lelli at arm.com
Tue Aug 30 09:11:58 PDT 2016


On 16/08/16 11:02, Vincent Guittot wrote:
> On 19 July 2016 at 14:40, Juri Lelli <juri.lelli at arm.com> wrote:
> > ARM systems may be configured to have cpus with different power/performance
> > characteristics within the same chip. In this case, additional information
> > has to be made available to the kernel (the scheduler in particular) for it
> > to be aware of such differences and take decisions accordingly.
> >
> > Therefore, this patch aims at standardizing cpu capacities device tree
> > bindings for ARM platforms. Bindings define cpu capacity-dmips-mhz
> > parameter, to allow operating systems to retrieve such information from
> > the device tree and initialize related kernel structures, paving the way
> > for common code in the kernel to deal with heterogeneity.
> >

[...]

> 
> FWIW, Acked-by Vincent Guittot <vincent.guittot at linaro.org>
> 

Thanks!

Best,

- Juri



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