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Groups > linux.kernel > #1217164
| From | Kevin Hilman <khilman@kernel.org> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH V2] PM / Domains: Remove cpuidle attach |
| Date | 2015-09-02 01:00 +0200 |
| Message-ID | <q42H0-3xO-31@gated-at.bofh.it> (permalink) |
| References | <q3YDn-6fB-1@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Daniel Lezcano <daniel.lezcano@linaro.org> writes: > The power domains code allows to tie a cpuidle state with a power domain. > > Preventing the cpuidle framework to enter a specific idle state by disabling > from the power domain framework is a good idea. Unfortunately, the current > implementation has some gaps with a SMP system and a complex cpuidle > implementation. Enabling a power domain wakes up all the cpus even if a cpu > does not belong to the power domain. > > There is some work to do a logical representation with the power domains of > the hardware dependencies (eg. a cpu belongs to a power domains, these power > domains belong to a higher power domain for a cluster, etc ...). A new code > relying on the genpd hierarchy to disable the idle states would make more > sense. > > As the unique user of this code has been removed, let's wipe out this code > to prevent new user and to have a clean place to put a new implementation. > > Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org> Acked-by: Kevin Hilman <khilman@linaro.org> -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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[PATCH V2] PM / Domains: Remove cpuidle attach Daniel Lezcano <daniel.lezcano@linaro.org> - 2015-09-01 20:40 +0200 Re: [PATCH V2] PM / Domains: Remove cpuidle attach Kevin Hilman <khilman@kernel.org> - 2015-09-02 01:00 +0200 Re: [PATCH V2] PM / Domains: Remove cpuidle attach "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2015-09-03 03:00 +0200
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