#ifdef CONFIG_HOTPLUG_CPU
/* State of each CPU during hotplug phases */
-DEFINE_PER_CPU(int, cpu_state) = { 0 };
+static DEFINE_PER_CPU(int, cpu_state) = { 0 };
int generic_cpu_disable(void)
{
set_cpu_online(cpu, false);
#ifdef CONFIG_PPC64
vdso_data->processorCount--;
- fixup_irqs(cpu_online_mask);
-#endif
- return 0;
-}
-
-int generic_cpu_enable(unsigned int cpu)
-{
- /* Do the normal bootup if we haven't
- * already bootstrapped. */
- if (system_state != SYSTEM_RUNNING)
- return -ENOSYS;
-
- /* get the target out of it's holding state */
- per_cpu(cpu_state, cpu) = CPU_UP_PREPARE;
- smp_wmb();
-
- while (!cpu_online(cpu))
- cpu_relax();
-
-#ifdef CONFIG_PPC64
- fixup_irqs(cpu_online_mask);
- /* counter the irq disable in fixup_irqs */
- local_irq_enable();
#endif
+ migrate_irqs();
return 0;
}
unsigned int cpu;
local_irq_disable();
+ idle_task_exit();
cpu = smp_processor_id();
printk(KERN_DEBUG "CPU%d offline\n", cpu);
__get_cpu_var(cpu_state) = CPU_DEAD;
smp_wmb();
while (__get_cpu_var(cpu_state) != CPU_UP_PREPARE)
cpu_relax();
- set_cpu_online(cpu, true);
- local_irq_enable();
}
-#endif
-static int __devinit cpu_enable(unsigned int cpu)
+void generic_set_cpu_dead(unsigned int cpu)
{
- if (smp_ops && smp_ops->cpu_enable)
- return smp_ops->cpu_enable(cpu);
-
- return -ENOSYS;
+ per_cpu(cpu_state, cpu) = CPU_DEAD;
}
+#endif
int __cpuinit __cpu_up(unsigned int cpu)
{
int c;
secondary_ti = current_set[cpu];
- if (!cpu_enable(cpu))
- return 0;
if (smp_ops == NULL ||
(smp_ops->cpu_bootable && !smp_ops->cpu_bootable(cpu)))
}
/* Activate a secondary processor. */
-int __devinit start_secondary(void *unused)
+void __devinit start_secondary(void *unused)
{
unsigned int cpu = smp_processor_id();
struct device_node *l2_cache;
local_irq_enable();
cpu_idle();
- return 0;
+
+ BUG();
}
int setup_profiling_timer(unsigned int multiplier)
free_cpumask_var(old_mask);
+ if (smp_ops && smp_ops->bringup_done)
+ smp_ops->bringup_done();
+
dump_numa_cpu_topology();
+
}
int arch_sd_sibling_asym_packing(void)
{
if (ppc_md.cpu_die)
ppc_md.cpu_die();
+
+ /* If we return, we re-enter start_secondary */
+ start_secondary_resume();
}
+
#endif