static int __init pseries_memory_hotplug_init(void)
{
if (firmware_has_feature(FW_FEATURE_LPAR))
pSeries_reconfig_notifier_register(&pseries_mem_nb);
return 0;
}
static int err_inject_init(void)
{
int err;
dir = notifier_err_inject_init("pSeries-reconfig",
notifier_err_inject_dir, &reconfig_err_inject, priority);
if (IS_ERR(dir))
return PTR_ERR(dir);
err = pSeries_reconfig_notifier_register(&reconfig_err_inject.nb);
if (err)
debugfs_remove_recursive(dir);
return err;
}
/* This is called very early */
void __init smp_init_pSeries(void)
{
int i;
DBG(" -> smp_init_pSeries()\n");
switch (ppc64_interrupt_controller) {
#ifdef CONFIG_MPIC
case IC_OPEN_PIC:
smp_ops = &pSeries_mpic_smp_ops;
break;
#endif
#ifdef CONFIG_XICS
case IC_PPC_XIC:
smp_ops = &pSeries_xics_smp_ops;
break;
#endif
#ifdef CONFIG_BPA_IIC
case IC_BPA_IIC:
smp_ops = &bpa_iic_smp_ops;
break;
#endif
default:
panic("Invalid interrupt controller");
}
#ifdef CONFIG_HOTPLUG_CPU
smp_ops->cpu_disable = pSeries_cpu_disable;
smp_ops->cpu_die = pSeries_cpu_die;
/* Processors can be added/removed only on LPAR */
if (systemcfg->platform == PLATFORM_PSERIES_LPAR)
pSeries_reconfig_notifier_register(&pSeries_smp_nb);
#endif
/* Mark threads which are still spinning in hold loops. */
if (cpu_has_feature(CPU_FTR_SMT)) {
for_each_present_cpu(i) {
if (i % 2 == 0)
/*
* Even-numbered logical cpus correspond to
* primary threads.
*/
cpu_set(i, of_spin_map);
}
} else {