m32r: Use generic idle loop
Replace the private poller. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Rusty Russell <rusty@rustcorp.com.au> Cc: Paul McKenney <paulmck@linux.vnet.ibm.com> Cc: Peter Zijlstra <peterz@infradead.org> Reviewed-by: Cc: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com> Cc: Magnus Damm <magnus.damm@gmail.com> Cc: Hirokazu Takata <takata@linux-m32r.org> Link: http://lkml.kernel.org/r/20130321215234.470547189@linutronix.de Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Родитель
91d591c387
Коммит
01436228bf
|
@ -13,6 +13,7 @@ config M32R
|
|||
select VIRT_TO_BUS
|
||||
select GENERIC_IRQ_PROBE
|
||||
select GENERIC_IRQ_SHOW
|
||||
select GENERIC_IDLE_LOOP
|
||||
select GENERIC_ATOMIC64
|
||||
select ARCH_USES_GETTIMEOFFSET
|
||||
select MODULES_USE_ELF_RELA
|
||||
|
|
|
@ -47,24 +47,6 @@ unsigned long thread_saved_pc(struct task_struct *tsk)
|
|||
void (*pm_power_off)(void) = NULL;
|
||||
EXPORT_SYMBOL(pm_power_off);
|
||||
|
||||
/*
|
||||
* The idle thread. There's no useful work to be
|
||||
* done, so just try to conserve power and have a
|
||||
* low exit latency (ie sit in a loop waiting for
|
||||
* somebody to say that they'd like to reschedule)
|
||||
*/
|
||||
void cpu_idle (void)
|
||||
{
|
||||
/* endless idle loop with no priority at all */
|
||||
while (1) {
|
||||
rcu_idle_enter();
|
||||
while (!need_resched())
|
||||
cpu_relax();
|
||||
rcu_idle_exit();
|
||||
schedule_preempt_disabled();
|
||||
}
|
||||
}
|
||||
|
||||
void machine_restart(char *__unused)
|
||||
{
|
||||
#if defined(CONFIG_PLAT_MAPPI3)
|
||||
|
|
|
@ -432,7 +432,7 @@ int __init start_secondary(void *unused)
|
|||
*/
|
||||
local_flush_tlb_all();
|
||||
|
||||
cpu_idle();
|
||||
cpu_startup_entry(CPUHP_ONLINE);
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
|
Загрузка…
Ссылка в новой задаче