PERFORCE change 95973 for review

[Kip Macy]

http://perforce.freebsd.org/chv.cgi?CH=95973

Change 95973 by kmacy at kmacy_storage:sun4v_rwbuf on 2006/04/24 01:58:41

	update init_mondo use 

Affected files ...

.. //depot/projects/kmacy_sun4v/src/sys/sun4v/sun4v/mp_machdep.c#5 edit

Differences ...

==== //depot/projects/kmacy_sun4v/src/sys/sun4v/sun4v/mp_machdep.c#5 (text+ko) ====

@@ -316,10 +316,10 @@
 		pc->pc_node = child;
 
 		all_cpus |= 1 << cpuid;
-#if 1
+#if 0
 		if (mp_ncpus == MAXCPU)
 #else 
-		if (mp_ncpus == 16)
+		if (mp_ncpus == 4)
 #endif
 
 			break;
@@ -455,7 +455,7 @@
 
 	int i, retries;
 
-	init_mondo(d0, d1, d2, (uint64_t)ackmask);
+	init_mondo(d0, d1, d2, (uint64_t)pmap_kextract((vm_offset_t)ackmask));
 
 	retries = 0;
 
@@ -511,16 +511,13 @@
 	cpumask_t cpus;
 	uint64_t ackmask;
 
-	/* 1) our cpu_ipi_ast doesn't do anything
-	 * 2) a reschedule will be triggered at the next timer interrupt
+	/* 
+	 * 
 	 * 3) forward_wakeup appears to abuse ASTs
-	 * 4) handling 4-way threading vs 2-way threading will just serve
-	 *    to further obfuscate forward_wakeup
+	 * 4) handling 4-way threading vs 2-way threading should happen here
+	 *    and not in forward wakeup
 	 */
-	if (ipi == IPI_AST)
-		return;
 	
-
 	cpulist = PCPU_GET(cpulist);
 	cpus = ((icpus & ~PCPU_GET(cpumask)) & ipi_ready_mask);
 	
@@ -531,7 +528,7 @@
 		cpulist[cpu_count] = (uint16_t)i;
 		cpu_count++;
 	}
-	
+
 	cpu_ipi_selected(cpu_count, cpulist, (u_long)tl_ipi_level, ipi, 0, &ackmask);
 	
 }