RFC ARM: cpuidle: heterogeneous systems extension
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Cover letter [RFC PATCH v2 0/1] ARM: cpuidle: heterogeneous systems extension
Quoted 12 lines · Lorenzo Pieralisi
Quoted 11 lines · Kevin Hilman
On Thu, Apr 16, 2015 at 9:10 AM, Lorenzo Pieralisi <[email protected]> wrote:
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Quoted 3 lines
This patch sets the maximum number of static CPUidle drivers allowed to two, since it is hard to foresee systems with more than two sets of CPUs having different idle states
It's not hard to forsee anymore:
Quoted 8 lines
Quoted 2 lines
http://www.cnx-software.com/2015/04/21/mediatek-helio-x20-deca-core-processor/ https://liliputing.com/2015/04/closer-look-at-mediateks-upcoming-10-core-helio-x20-processor.htmlEheh I stand corrected :). Not a big deal, drivers can be allocated dynamically; it seems that the designs above leave us no choice, the idle states are the only differentiating factor when it comes to CPUidle driver logical cpumask creation, happy to hear more opinions on this, but I do not really see what we can use instead.
Dynamic idle driver would be nice. Otherwise, the patch looks good to me.
Thanks,
Lina