Messages in this thread | | | Date | Wed, 6 Jun 2018 14:23:57 +0200 | From | Peter Zijlstra <> | Subject | Re: [PATCH V5] powercap/drivers/idle_injection: Add an idle injection framework |
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On Tue, Jun 05, 2018 at 11:16:40AM +0200, Daniel Lezcano wrote: > + atomic_t idle_duration_ms; > + atomic_t run_duration_ms;
> + idle_duration_ms = atomic_read(&ii_dev->idle_duration_ms);
> + run_duration_ms = atomic_read(&ii_dev->run_duration_ms);
> + atomic_set(&ii_dev->run_duration_ms, run_duration_ms); > + atomic_set(&ii_dev->idle_duration_ms, idle_duration_ms);
> + *run_duration_ms = atomic_read(&ii_dev->run_duration_ms); > + *idle_duration_ms = atomic_read(&ii_dev->idle_duration_ms);
> + if (!atomic_read(&ii_dev->idle_duration_ms))
> + if (!atomic_read(&ii_dev->run_duration_ms))
What is the point of atomic_t here ?!
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