Messages in this thread | | | Date | Tue, 19 Jun 2018 13:40:59 +0100 | From | Quentin Perret <> | Subject | Re: [RFC PATCH v3 03/10] PM: Introduce an Energy Model management framework |
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On Tuesday 19 Jun 2018 at 13:31:06 (+0200), Peter Zijlstra wrote: > On Mon, May 21, 2018 at 03:24:58PM +0100, Quentin Perret wrote: > > + read_lock_irqsave(&em_data_lock, flags); > > + for_each_cpu(cpu, cpu_possible_mask) { > > I know we're likely to only use this on small systems, but this pattern > is a very bad, Please look at alternatives.
Ok, this isn't supposed to be called very often (only once, at boot time, for Arm for example), but I see your point.
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