Messages in this thread | | | Date | Tue, 19 Dec 2017 19:48:11 +0100 | From | Peter Zijlstra <> | Subject | Re: [PATCH RESEND] cpufreq: schedutil: Use idle_calls counter of the remote CPU |
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On Tue, Dec 19, 2017 at 09:47:12AM -0800, Joel Fernandes wrote: > Since the recent remote cpufreq callback work, its possible that a cpufreq > update is triggered from a remote CPU. For single policies however, the current > code uses the local CPU when trying to determine if the remote sg_cpu entered > idle or is busy. This is incorrect. To remedy this, compare with the nohz tick > idle_calls counter of the remote CPU. > > Acked-by: Viresh Kumar <viresh.kumar@linaro.org> > Signed-off-by: Joel Fernandes <joelaf@google.com>
Acked-by: Peter Zijlstra (Intel) <peterz@infradead.org>
> --- > Just resending this which is cpufreq-related as requested by Rafael rebased > on linus/master. > > The other 2 patches in my last series which can go in independent of this one are: > https://patchwork.kernel.org/patch/10115395/ > https://patchwork.kernel.org/patch/10115401/ > I'm still waiting on scheduler maintainers to comment on those. Unfortunately, > I haven't heard back anything yet since the last repost of those.
Both of us have been somewhat preoccupied with that whole kaiser/pti thing the past few weeks.
I have an absolutely stupid backlog :/
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