diff options
Diffstat (limited to 'arch/sh/kernel/idle.c')
| -rw-r--r-- | arch/sh/kernel/idle.c | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/arch/sh/kernel/idle.c b/arch/sh/kernel/idle.c index 6b3d706..425d604 100644 --- a/arch/sh/kernel/idle.c +++ b/arch/sh/kernel/idle.c @@ -19,11 +19,11 @@ #include <asm/pgalloc.h> #include <asm/system.h> #include <asm/atomic.h> +#include <asm/smp.h> -static int hlt_counter; void (*pm_idle)(void) = NULL; -void (*pm_power_off)(void); -EXPORT_SYMBOL(pm_power_off); + +static int hlt_counter; static int __init nohlt_setup(char *__unused) { @@ -90,10 +90,13 @@ void cpu_idle(void) while (1) { tick_nohz_stop_sched_tick(1); - while (!need_resched() && cpu_online(cpu)) { + while (!need_resched()) { check_pgt_cache(); rmb(); + if (cpu_is_offline(cpu)) + play_dead(); + local_irq_disable(); /* Don't trace irqs off for idle */ stop_critical_timings(); @@ -113,7 +116,7 @@ void cpu_idle(void) } } -void __cpuinit select_idle_routine(void) +void __init select_idle_routine(void) { /* * If a platform has set its own idle routine, leave it alone. @@ -131,6 +134,15 @@ static void do_nothing(void *unused) { } +void stop_this_cpu(void *unused) +{ + local_irq_disable(); + set_cpu_online(smp_processor_id(), false); + + for (;;) + cpu_sleep(); +} + /* * cpu_idle_wait - Used to ensure that all the CPUs discard old value of * pm_idle and update to new pm_idle value. Required while changing pm_idle |