From: Chad Goodman <chad.goodman@gmail.com>
Date: Fri, 21 Dec 2012 04:00:08 +0000 (-0800)
Subject: ARM: Fix negative idle stats for offline cpu
X-Git-Url: https://ziggy471.com/git/gitweb.cgi?p=ziggy471-sgn2-jb.git;a=commitdiff;h=c187c37dd37926a41b88719269eb015176f05996

ARM: Fix negative idle stats for offline cpu

Signed-off-by: Ziggy <ziggy@ziggy471.com>
---

--- a/arch/arm/kernel/process.c
+++ b/arch/arm/kernel/process.c
@@ -226,11 +226,6 @@ void cpu_idle(void)
 		idle_notifier_call_chain(IDLE_START);
 		tick_nohz_stop_sched_tick(1);
 		while (!need_resched()) {
-#ifdef CONFIG_HOTPLUG_CPU
-			if (cpu_is_offline(smp_processor_id()))
-				cpu_die();
-#endif
-
 			local_irq_disable();
 #ifdef CONFIG_PL310_ERRATA_769419
 			wmb();
@@ -256,6 +251,10 @@ void cpu_idle(void)
 		preempt_enable_no_resched();
 		schedule();
 		preempt_disable();
+#ifdef CONFIG_HOTPLUG_CPU
+		if (cpu_is_offline(smp_processor_id()))
+			cpu_die();
+#endif
 	}
 }