On 03/01, Lina Iyer wrote:
> @@ -46,12 +49,20 @@ static int arm_enter_idle_state(struct cpuidle_device *dev,
> ret = cpu_pm_enter();
> if (!ret) {
> /*
> + * Call runtime PM suspend on our device
> + * Notify RCU to pay attention to critical sections
> + * called from within runtime PM.
> + */
I was thinking something more along the lines of
/*
* RCU is idle at this point but runtime PM uses
* tracepoints which use RCU so we must resume RCU
* while we use runtime PM here.
*/
> + RCU_NONIDLE(pm_runtime_put_sync_suspend(cpu_dev));
> +
--
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