diff --git a/sys/sparc64/include/intr_machdep.h b/sys/sparc64/include/intr_machdep.h
index 6e472f7ae60..8392e06a3fa 100644
--- a/sys/sparc64/include/intr_machdep.h
+++ b/sys/sparc64/include/intr_machdep.h
@@ -41,14 +41,14 @@
 #define	IV_SHIFT	6
 
 #define	PIL_LOW		1	/* stray interrupts */
-#define	PIL_ITHREAD	2	/* interrupts that use ithreads */
-#define	PIL_RENDEZVOUS	3	/* smp rendezvous ipi */
-#define	PIL_AST		4	/* ast ipi */
-#define	PIL_STOP	5	/* stop cpu ipi */
-#define	PIL_PREEMPT	6	/* preempt idle thread cpu ipi */
-#define	PIL_HARDCLOCK	7	/* hardclock broadcast */
-#define	PIL_FILTER	12	/* filter interrupts */
-#define	PIL_BRIDGE	13	/* bridge interrupts */
+#define	PIL_PREEMPT	2	/* preempt idle thread CPU IPI */
+#define	PIL_ITHREAD	3	/* interrupts that use ithreads */
+#define	PIL_RENDEZVOUS	4	/* SMP rendezvous IPI */
+#define	PIL_AST		5	/* asynchronous trap IPI */
+#define	PIL_HARDCLOCK	6	/* hardclock broadcast */
+#define	PIL_FILTER	11	/* filter interrupts */
+#define	PIL_BRIDGE	12	/* bridge interrupts */
+#define	PIL_STOP	13	/* stop CPU IPI */
 #define	PIL_TICK	14	/* tick interrupts */
 
 #ifndef LOCORE
diff --git a/sys/sparc64/sparc64/intr_machdep.c b/sys/sparc64/sparc64/intr_machdep.c
index f8eb6d84d79..dab11c2d50e 100644
--- a/sys/sparc64/sparc64/intr_machdep.c
+++ b/sys/sparc64/sparc64/intr_machdep.c
@@ -92,15 +92,15 @@ static uint16_t intr_stray_count[IV_MAX];
 static const char *const pil_names[] = {
 	"stray",
 	"low",		/* PIL_LOW */
+	"preempt",	/* PIL_PREEMPT */
 	"ithrd",	/* PIL_ITHREAD */
 	"rndzvs",	/* PIL_RENDEZVOUS */
 	"ast",		/* PIL_AST */
-	"stop",		/* PIL_STOP */
-	"preempt",	/* PIL_PREEMPT */
 	"hardclock",	/* PIL_HARDCLOCK */
 	"stray", "stray", "stray", "stray",
 	"filter",	/* PIL_FILTER */
 	"bridge",	/* PIL_BRIDGE */
+	"stop",		/* PIL_STOP */
 	"tick",		/* PIL_TICK */
 };