static int palinfo_cpu_callback(struct notifier_block *nfb,
unsigned long action, void *hcpu)
{
unsigned int hotcpu = (unsigned long)hcpu;
switch (action) {
case CPU_ONLINE:
create_palinfo_proc_entries(hotcpu);
break;
case CPU_DEAD:
remove_palinfo_proc_entries(hotcpu);
break;
}
return NOTIFY_OK;
}
static int __init
palinfo_init(void)
{
int i = 0;
printk(KERN_INFO "PAL Information Facility v%s\n", PALINFO_VERSION);
palinfo_dir = proc_mkdir("pal", NULL);
/* Create palinfo dirs in /proc for all online cpus */
for_each_online_cpu(i) {
create_palinfo_proc_entries(i);
}
/* Register for future delivery via notify registration */
register_hotcpu_notifier(&palinfo_cpu_notifier);
return 0;
}