Index: head/sys/dev/hyperv/vmbus/hv_vmbus_drv_freebsd.c
===================================================================
--- head/sys/dev/hyperv/vmbus/hv_vmbus_drv_freebsd.c
+++ head/sys/dev/hyperv/vmbus/hv_vmbus_drv_freebsd.c
@@ -75,7 +75,7 @@
 static char *vmbus_ids[] = { "VMBUS", NULL };
 
 static void
-vmbus_msg_swintr(void *arg, int pending __unused)
+vmbus_msg_task(void *arg __unused, int pending __unused)
 {
 	hv_vmbus_message *msg;
 
@@ -443,7 +443,7 @@
 		taskqueue_start_threads_cpuset(&hv_vmbus_g_context.hv_msg_tq[j],
 		    1, PI_NET, &cpu_mask, "hvmsg%d", j);
 		TASK_INIT(&hv_vmbus_g_context.hv_msg_task[j], 0,
-		    vmbus_msg_swintr, NULL);
+		    vmbus_msg_task, NULL);
 
 		/*
 		 * Prepare the per cpu msg and event pages to be called on each cpu.