On Friday, September 05, 2014 01:11:22 PM Viresh Kumar wrote: > 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>
I've queued up the two patches for 3.18, thanks! -- I speak only for myself. Rafael J. Wysocki, Intel Open Source Technology Center. _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
