Commit e5414a42 authored Jun 13, 2014 by Patrick Cain Committed by Rishabh Bhatnagar Dec 04, 2018

arm64: Call idle notifiers in CPU idle



When CPU idle is enabled, the idle call should also notifiy the
idle_notifier_call_chain of the change in status. Otherwise some
processes will think the CPU is always active.

CRs-Fixed: 677525
Change-Id: Iabd6f617d6835688cf8b482ac1321e5c1deafffd
Signed-off-by: Patrick Cain <pcain@codeaurora.org>
Signed-off-by: Vikram Mulukutla <markivx@codeaurora.org>

parent dd81d8a6

arch/arm64/kernel/process.c

+10 −0

Original line number	Diff line number	Diff line
		@@ -88,6 +88,16 @@ void arch_cpu_idle(void)
		trace_cpu_idle_rcuidle(PWR_EVENT_EXIT, smp_processor_id());
		}

		void arch_cpu_idle_enter(void)
		{
		idle_notifier_call_chain(IDLE_START);
		}

		void arch_cpu_idle_exit(void)
		{
		idle_notifier_call_chain(IDLE_END);
		}

		#ifdef CONFIG_HOTPLUG_CPU
		void arch_cpu_idle_dead(void)
		{