On 5 September 2014 13:09, Preeti U Murthy <pre...@linux.vnet.ibm.com> wrote: > Today cpus go to winkle when they are offlined. Since it is the deepest > idle state that we have, it is expected to save good amount of power as > compared > to online state, where cores can enter nap/fastsleep only which are > shallower idle states. > However we observed no powersavings with winkle as compared to nap/fastsleep > and traced the problem to the pstate of the core being kept at a high even > when the core is offline. This can keep the socket pstate high, thus burning > power unnecessarily. This patchset fixes this issue. > > Changes in V2: Changed smp_call_function_any() to smp_call_function_single() > in Patch[2/2]
Acked-by: Viresh Kumar <viresh.ku...@linaro.org> _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
