[RFC v3 04/12] ARM: cpuidle: Add runtime PM support for CPUs
From: Stephen Boyd <hidden>
Date: 2016-03-04 18:03:37
Also in:
linux-arm-msm, linux-pm
On 03/01, Lina Iyer wrote:
quoted hunk ↗ jump to hunk
@@ -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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