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[S390] idle: remove idle notifier chain.

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The idle notifier chain consists of at most one element. So there's
no point in having a notifier chain. Remove it and directly call the
function.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Heiko Carstens
2008-07-14 09:59:06 +02:00
parent 9d92a7e1b0
commit 773922e1da
4 changed files with 16 additions and 63 deletions
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25
arch/s390/kernel/vtime.c
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@@ -136,7 +136,7 @@ static inline void set_vtimer(__u64 expires)
}
#endif
static void start_cpu_timer(void)
void vtime_start_cpu_timer(void)
{
struct vtimer_queue *vt_list;
@@ -150,7 +150,7 @@ static void start_cpu_timer(void)
set_vtimer(vt_list->idle);
}
static void stop_cpu_timer(void)
void vtime_stop_cpu_timer(void)
{
struct vtimer_queue *vt_list;
@@ -536,24 +536,6 @@ void init_cpu_vtimer(void)
}
static int vtimer_idle_notify(struct notifier_block *self,
unsigned long action, void *hcpu)
{
switch (action) {
case S390_CPU_IDLE:
stop_cpu_timer();
break;
case S390_CPU_NOT_IDLE:
start_cpu_timer();
break;
}
return NOTIFY_OK;
}
static struct notifier_block vtimer_idle_nb = {
.notifier_call = vtimer_idle_notify,
};
void __init vtime_init(void)
{
/* request the cpu timer external interrupt */
@@ -561,9 +543,6 @@ void __init vtime_init(void)
&ext_int_info_timer) != 0)
panic("Couldn't request external interrupt 0x1005");
if (register_idle_notifier(&vtimer_idle_nb))
panic("Couldn't register idle notifier");
/* Enable cpu timer interrupts on the boot cpu. */
init_cpu_vtimer();
}