4664 CPU->cpu_pri_data hasn't been used for years

*** 345,361 ****
          apix_vector = apixs[cpu]->x_vectbl[vec];
  
          return ((uintptr_t)(apix_vector->v_autovect));
  }
  
- #if defined(__amd64)
- static unsigned char dummy_cpu_pri[MAXIPL + 1] = {
-         0, 0, 0, 0, 0, 0, 0, 0,
-         0, 0, 0, 0, 0, 0, 0, 0, 0
- };
- #endif
- 
  static void
  apix_init()
  {
          extern void (*do_interrupt_common)(struct regs *, trap_trace_rec_t *);
  
--- 345,354 ----
*** 368,383 ****
          get_intr_handler = apix_get_intr_handler;
          psm_get_localapicid = apic_get_localapicid;
          psm_get_ioapicid = apic_get_ioapicid;
  
          apix_softinit();
! #if defined(__amd64)
!         CPU->cpu_pri_data = dummy_cpu_pri;
! #else
          if (cpuid_have_cr8access(CPU))
                  apic_have_32bit_cr8 = 1;
! #endif  /* __amd64 */
  
          /*
           * Initialize IRM pool parameters
           */
          if (irm_enable) {
--- 361,375 ----
          get_intr_handler = apix_get_intr_handler;
          psm_get_localapicid = apic_get_localapicid;
          psm_get_ioapicid = apic_get_ioapicid;
  
          apix_softinit();
! 
! #if !defined(__amd64)
          if (cpuid_have_cr8access(CPU))
                  apic_have_32bit_cr8 = 1;
! #endif
  
          /*
           * Initialize IRM pool parameters
           */
          if (irm_enable) {