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

@@ -141,14 +141,10 @@
          */
 
 uchar_t apic_ipltopri[MAXIPL + 1];      /* unix ipl to apic pri */
         /* The taskpri to be programmed into apic to mask given ipl */
 
-#if defined(__amd64)
-static unsigned char dummy_cpu_pri[MAXIPL + 1];
-#endif
-
 /*
  * Correlation of the hardware vector to the IPL in use, initialized
  * from apic_vectortoipl[] in apic_init().  The final IPLs may not correlate
  * to the IPLs in apic_vectortoipl on some systems that share interrupt lines
  * connected to errata-stricken IOAPICs

@@ -298,16 +294,15 @@
         }
         for (; j < MAXIPL + 1; j++)
                 /* fill up any empty ipltopri slots */
                 apic_ipltopri[j] = (i << APIC_IPL_SHIFT) + APIC_BASE_VECT;
         apic_init_common();
-#if defined(__amd64)
-        CPU->cpu_pri_data = dummy_cpu_pri;
-#else
+
+#if !defined(__amd64)
         if (cpuid_have_cr8access(CPU))
                 apic_have_32bit_cr8 = 1;
-#endif  /* __amd64 */
+#endif
 }
 
 static void
 apic_init_intr(void)
 {