diff options
Diffstat (limited to 'arch/ppc/kernel')
| -rw-r--r-- | arch/ppc/kernel/idle.c | 25 | ||||
| -rw-r--r-- | arch/ppc/kernel/smp.c | 1 |
2 files changed, 17 insertions, 9 deletions
diff --git a/arch/ppc/kernel/idle.c b/arch/ppc/kernel/idle.c index 11e5b44713f..3c4e4cb6107 100644 --- a/arch/ppc/kernel/idle.c +++ b/arch/ppc/kernel/idle.c @@ -53,10 +53,6 @@ void default_idle(void) } #endif } - if (need_resched()) - schedule(); - if (cpu_is_offline(cpu) && system_state == SYSTEM_RUNNING) - cpu_die(); } /* @@ -64,11 +60,22 @@ void default_idle(void) */ void cpu_idle(void) { - for (;;) - if (ppc_md.idle != NULL) - ppc_md.idle(); - else - default_idle(); + int cpu = smp_processor_id(); + + for (;;) { + while (need_resched()) { + if (ppc_md.idle != NULL) + ppc_md.idle(); + else + default_idle(); + } + + if (cpu_is_offline(cpu) && system_state == SYSTEM_RUNNING) + cpu_die(); + preempt_enable_no_resched(); + schedule(); + preempt_disable(); + } } #if defined(CONFIG_SYSCTL) && defined(CONFIG_6xx) diff --git a/arch/ppc/kernel/smp.c b/arch/ppc/kernel/smp.c index bc5bf112483..43b8fc2ca59 100644 --- a/arch/ppc/kernel/smp.c +++ b/arch/ppc/kernel/smp.c @@ -341,6 +341,7 @@ int __devinit start_secondary(void *unused) cpu = smp_processor_id(); smp_store_cpu_info(cpu); set_dec(tb_ticks_per_jiffy); + preempt_disable(); cpu_callin_map[cpu] = 1; printk("CPU %d done callin...\n", cpu); |