XXXX pass in cpu_pause_func via pause_cpus

*** 394,404 ****
           * Pause all other CPUs (and let them run pause thread).
           * It's guaranteed that no other threads will access cpu_idle_cb_array
           * after pause_cpus().
           */
          if (!cpus_paused()) {
!                 pause_cpus(NULL);
                  unpause = 1;
          }
  
          /* Copy content to new buffer if needed. */
          if (buf_new != NULL) {
--- 394,404 ----
           * Pause all other CPUs (and let them run pause thread).
           * It's guaranteed that no other threads will access cpu_idle_cb_array
           * after pause_cpus().
           */
          if (!cpus_paused()) {
!                 pause_cpus(NULL, NULL);
                  unpause = 1;
          }
  
          /* Copy content to new buffer if needed. */
          if (buf_new != NULL) {
*** 460,470 ****
           * Pause all other CPUs.
           * It's guaranteed that no other threads will access cpu_idle_cb_array
           * after pause_cpus().
           */
          if (!cpus_paused()) {
!                 pause_cpus(NULL);
                  unpause = 1;
          }
  
          /* Remove cip from array. */
          for (i = 0; i < cpu_idle_cb_curr; i++) {
--- 460,470 ----
           * Pause all other CPUs.
           * It's guaranteed that no other threads will access cpu_idle_cb_array
           * after pause_cpus().
           */
          if (!cpus_paused()) {
!                 pause_cpus(NULL, NULL);
                  unpause = 1;
          }
  
          /* Remove cip from array. */
          for (i = 0; i < cpu_idle_cb_curr; i++) {