revert 9072b9a ("lkl: expose cpu_idle_loop from idle.c")

laijs · laijs · commit a7d380d5ffa6 · 2017-03-05T08:30:59.000+08:00
cpu_idle_loop() is unneeded to be exposed since the lkl
will switch to the idle_host_task when idle, and the hack
for cpu_idle_loop() is unneeded.

Signed-off-by: Lai Jiangshan &lt;jiangshanlai@gmail.com&gt;
diff --git a/kernel/sched/idle.c b/kernel/sched/idle.c
@@ -205,7 +205,7 @@ static void cpuidle_idle_call(void)
  *
  * Called with polling cleared.
  */
-void do_idle(void)
+static void do_idle(void)
 {
 	/*
 	 * If the arch has a polling bit, we maintain an invariant:
@@ -265,7 +265,6 @@ void do_idle(void)
 	sched_ttwu_pending();
 	schedule_preempt_disabled();
 }
-EXPORT_SYMBOL(do_idle);
 
 bool cpu_in_idle(unsigned long pc)
 {

Original file line number	Diff line number	Diff line change
`@@ -205,7 +205,7 @@ static void cpuidle_idle_call(void)`
`205`	`205`	`*`
`206`	`206`	`* Called with polling cleared.`
`207`	`207`	`*/`
`208`		`-void do_idle(void)`
	`208`	`+static void do_idle(void)`
`209`	`209`	`{`
`210`	`210`	`/*`
`211`	`211`	`* If the arch has a polling bit, we maintain an invariant:`
`@@ -265,7 +265,6 @@ void do_idle(void)`
`265`	`265`	`sched_ttwu_pending();`
`266`	`266`	`schedule_preempt_disabled();`
`267`	`267`	`}`
`268`		`-EXPORT_SYMBOL(do_idle);`
`269`	`268`
`270`	`269`	`bool cpu_in_idle(unsigned long pc)`
`271`	`270`	`{`