wad at laptop.org
Mon Apr 30 09:46:31 EDT 2012
On Apr 30, 2012, at 9:28 AM, Peter Robinson wrote:
> On Mon, Apr 30, 2012 at 2:23 PM, John Watlington <wad at laptop.org> wrote:
>> Can someone please enlighten me as to the current state
>> of Linux and asymmetric multiprocessing ? A number of
>> ARM SoCs on the market include both high performance
>> and low power cores.
>> Does Linux have a strategy for scheduling to these
>> asymmetric processing units yet ?
> Presumable you're referring to the general cores like the Tegra3 and
> not some of the supplemental cores like on the OMAP devices for media
I'm referring to cores running the same instruction set, but with
widely varying processing speeds (OMAP 5, Marvell PXA2128,
i.e. ARM big.LITTLE).
> Support for the Tegra 3 core landed in 3.4, Linaro is
> working on the arm big.LITTLE Cortex A15/A7 support. There's a two
> phase approach to this, I thing there's a couple of articles on LWN
> about the direction they are taking.
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