Index: head/sys/dev/hyperv/vmbus/i386/hv_vector.S
===================================================================
--- head/sys/dev/hyperv/vmbus/i386/hv_vector.S	(revision 301016)
+++ head/sys/dev/hyperv/vmbus/i386/hv_vector.S	(revision 301017)
@@ -1,49 +1,49 @@
 /*-
  * Copyright (c) 2016 Microsoft Corp.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice unmodified, this list of conditions, and the following
  *    disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
  * $FreeBSD$
  */
 
 #include <machine/asmacros.h>
 #include <machine/specialreg.h>
 
 #include "assym.s"
 
 /*
  * This is the Hyper-V vmbus channel direct callback interrupt.
  * Only used when it is running on Hyper-V.
  */
-        .text
-        SUPERALIGN_TEXT
+	.text
+	SUPERALIGN_TEXT
 IDTVEC(vmbus_isr)
-        PUSH_FRAME
-        SET_KERNEL_SREGS
-        cld
-        FAKE_MCOUNT(TF_EIP(%esp))
-        pushl   %esp
-        call    vmbus_handle_intr
-        add     $4, %esp
-        MEXITCOUNT
-        jmp     doreti
+	PUSH_FRAME
+	SET_KERNEL_SREGS
+	cld
+	FAKE_MCOUNT(TF_EIP(%esp))
+	pushl	%esp
+	call	vmbus_handle_intr
+	add	$4, %esp
+	MEXITCOUNT
+	jmp	doreti