XXXX pass in cpu_pause_func via pause_cpus

*** 338,348 ****
                  i++;
                  cpup = cpup->cpu_next;
          } while (cpup != cpu_list);
          num = i;
  
!         pause_cpus(NULL);
          for (i = 0; i < num; i++)
                  disp_dq_assign(&disp_mem[i], numpris);
          start_cpus();
  
          /*
--- 338,348 ----
                  i++;
                  cpup = cpup->cpu_next;
          } while (cpup != cpu_list);
          num = i;
  
!         pause_cpus(NULL, NULL);
          for (i = 0; i < num; i++)
                  disp_dq_assign(&disp_mem[i], numpris);
          start_cpus();
  
          /*