int __ref create_proc_profile(void) /* false positive from hotcpu_notifier */
{
struct proc_dir_entry *entry;
int err = 0;
if (!prof_on)
return 0;
cpu_notifier_register_begin();
if (create_hash_tables()) {
err = -ENOMEM;
goto out;
}
entry = proc_create("profile", S_IWUSR | S_IRUGO,
NULL, &proc_profile_operations);
if (!entry)
goto out;
proc_set_size(entry, (1 + prof_len) * sizeof(atomic_t));
__hotcpu_notifier(profile_cpu_callback, 0);
out:
cpu_notifier_register_done();
return err;
}
static int __init vsyscall_init(void)
{
cpu_notifier_register_begin();
on_each_cpu(cpu_vsyscall_init, NULL, 1);
/* notifier priority > KVM */
__hotcpu_notifier(cpu_vsyscall_notifier, 30);
cpu_notifier_register_done();
return 0;
}
static int __cpuinit topology_sysfs_init(void)
{
int cpu;
int rc = 0;
cpu_notifier_register_begin();
for_each_online_cpu(cpu) {
rc = topology_add_dev(cpu);
if (rc)
goto out;
}
__hotcpu_notifier(topology_cpu_callback, 0);
out:
cpu_notifier_register_done();
return rc;
}