Index: head/sys/dev/hyperv/vmbus/amd64/hv_vector.S
===================================================================
--- head/sys/dev/hyperv/vmbus/amd64/hv_vector.S
+++ head/sys/dev/hyperv/vmbus/amd64/hv_vector.S
@@ -37,10 +37,10 @@
  */
 	.text
 	SUPERALIGN_TEXT
-IDTVEC(hv_vmbus_callback)
+IDTVEC(vmbus_isr)
 	PUSH_FRAME
 	FAKE_MCOUNT(TF_RIP(%rsp))
 	movq	%rsp, %rdi
-	call	hv_vector_handler
+	call	vmbus_handle_intr
 	MEXITCOUNT
 	jmp	doreti
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
@@ -72,7 +72,7 @@
 
 static char *vmbus_ids[] = { "VMBUS", NULL };
 
-extern inthand_t IDTVEC(hv_vmbus_callback);
+extern inthand_t IDTVEC(vmbus_isr);
 
 static void
 vmbus_msg_task(void *xsc, int pending __unused)
@@ -124,8 +124,8 @@
 	}
 }
 
-static inline int
-hv_vmbus_isr(struct vmbus_softc *sc, struct trapframe *frame, int cpu)
+static __inline int
+vmbus_handle_intr1(struct vmbus_softc *sc, struct trapframe *frame, int cpu)
 {
 	hv_vmbus_message *msg, *msg_base;
 
@@ -186,7 +186,7 @@
 }
 
 void
-hv_vector_handler(struct trapframe *trap_frame)
+vmbus_handle_intr(struct trapframe *trap_frame)
 {
 	struct vmbus_softc *sc = vmbus_get_softc();
 	int cpu = curcpu;
@@ -201,7 +201,7 @@
 	 */
 	(*VMBUS_PCPU_GET(sc, intr_cnt, cpu))++;
 
-	hv_vmbus_isr(sc, trap_frame, cpu);
+	vmbus_handle_intr1(sc, trap_frame, cpu);
 
 	/*
 	 * Enable preemption.
@@ -411,7 +411,7 @@
 	 * All Hyper-V ISR required resources are setup, now let's find a
 	 * free IDT vector for Hyper-V ISR and set it up.
 	 */
-	sc->vmbus_idtvec = lapic_ipi_alloc(IDTVEC(hv_vmbus_callback));
+	sc->vmbus_idtvec = lapic_ipi_alloc(IDTVEC(vmbus_isr));
 	if (sc->vmbus_idtvec < 0) {
 		device_printf(sc->vmbus_dev, "cannot find free IDT vector\n");
 		return ENXIO;
Index: head/sys/dev/hyperv/vmbus/i386/hv_vector.S
===================================================================
--- head/sys/dev/hyperv/vmbus/i386/hv_vector.S
+++ head/sys/dev/hyperv/vmbus/i386/hv_vector.S
@@ -37,13 +37,13 @@
  */
         .text
         SUPERALIGN_TEXT
-IDTVEC(hv_vmbus_callback)
+IDTVEC(vmbus_isr)
         PUSH_FRAME
         SET_KERNEL_SREGS
         cld
         FAKE_MCOUNT(TF_EIP(%esp))
         pushl   %esp
-        call    hv_vector_handler
+        call    vmbus_handle_intr
         add     $4, %esp
         MEXITCOUNT
         jmp     doreti
Index: head/sys/dev/hyperv/vmbus/vmbus_var.h
===================================================================
--- head/sys/dev/hyperv/vmbus/vmbus_var.h
+++ head/sys/dev/hyperv/vmbus/vmbus_var.h
@@ -97,6 +97,7 @@
 void	vmbus_on_channel_open(const struct hv_vmbus_channel *);
 void	vmbus_event_proc(struct vmbus_softc *, int);
 void	vmbus_event_proc_compat(struct vmbus_softc *, int);
+void	vmbus_handle_intr(struct trapframe *);
 
 void	vmbus_et_intr(struct trapframe *);
 
Index: head/sys/x86/include/apicvar.h
===================================================================
--- head/sys/x86/include/apicvar.h
+++ head/sys/x86/include/apicvar.h
@@ -455,7 +455,6 @@
 void	lapic_handle_error(void);
 void	lapic_handle_intr(int vector, struct trapframe *frame);
 void	lapic_handle_timer(struct trapframe *frame);
-void	hv_vector_handler(struct trapframe *frame);
 
 extern int x2apic_mode;
 extern int lapic_eoi_suppression;