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

From Juri Lelli <juri.lelli@arm.com>
Newsgroups linux.kernel
Subject Re: [PATCH v6 1/8] Documentation: arm: define DT cpu capacity-dmips-mhz bindings
Date 2016-08-30 18:20 +0200
Message-ID <sbTVv-7a6-3@gated-at.bofh.it> (permalink)
References <rWCDf-44x-15@gated-at.bofh.it> <rWCDg-44x-49@gated-at.bofh.it> <s6IxI-19A-15@gated-at.bofh.it>
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On 16/08/16 11:02, Vincent Guittot wrote:
> On 19 July 2016 at 14:40, Juri Lelli <juri.lelli@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@linaro.org>
> 

Thanks!

Best,

- Juri

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Re: [PATCH v6 1/8] Documentation: arm: define DT cpu  capacity-dmips-mhz bindings Juri Lelli <juri.lelli@arm.com> - 2016-08-30 18:20 +0200

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