if (copy_from_user(&new_mask, user_mask_ptr, sizeof(new_mask)))
return -EFAULT;
- get_online_cpus();
+ cpus_read_lock();
rcu_read_lock();
p = find_process_by_pid(pid);
if (!p) {
rcu_read_unlock();
- put_online_cpus();
+ cpus_read_unlock();
return -ESRCH;
}
free_cpumask_var(cpus_allowed);
out_put_task:
put_task_struct(p);
- put_online_cpus();
+ cpus_read_unlock();
return retval;
}
if (len < real_len)
return -EINVAL;
- get_online_cpus();
+ cpus_read_lock();
rcu_read_lock();
retval = -ESRCH;
out_unlock:
rcu_read_unlock();
- put_online_cpus();
+ cpus_read_unlock();
if (retval)
return retval;
if (copy_to_user(user_mask_ptr, &mask, real_len))