[Midnightbsd-cvs] src [8676] trunk/sys/dev/xen: remove unused code

[laffer1 at midnightbsd.org]

Revision: 8676
          http://svnweb.midnightbsd.org/src/?rev=8676
Author:   laffer1
Date:     2016-09-25 16:42:49 -0400 (Sun, 25 Sep 2016)
Log Message:
-----------
remove unused code

Removed Paths:
-------------
    trunk/sys/dev/xen/evtchn/
    trunk/sys/dev/xen/xenpci/machine_reboot.c

Deleted: trunk/sys/dev/xen/xenpci/machine_reboot.c
===================================================================
--- trunk/sys/dev/xen/xenpci/machine_reboot.c	2016-09-25 20:41:37 UTC (rev 8675)
+++ trunk/sys/dev/xen/xenpci/machine_reboot.c	2016-09-25 20:42:49 UTC (rev 8676)
@@ -1,80 +0,0 @@
-/*-
- * Copyright (c) 2008 Citrix Systems, Inc.
- * 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, 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 AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
- */
-
-#include <sys/cdefs.h>
-__MBSDID("$MidnightBSD$");
-
-#include <sys/param.h>
-#include <sys/bus.h>
-#include <sys/kernel.h>
-#include <sys/interrupt.h>
-
-#include <machine/atomic.h>
-#include <machine/xen/xen-os.h>
-#include <xen/hypervisor.h>
-#include <xen/xen_intr.h>
-
-#include <dev/xen/xenpci/xenpcivar.h>
-
-void
-xen_suspend()
-{
-	int suspend_cancelled;
-
-	if (DEVICE_SUSPEND(root_bus)) {
-		printf("xen_suspend: device_suspend failed\n");
-		return;
-	}
-
-	/*
-	 * Make sure we don't change cpus or switch to some other
-	 * thread. for the duration.
-	 */
-	critical_enter();
-
-	/*
-	 * Prevent any races with evtchn_interrupt() handler.
-	 */
-	irq_suspend();
-	disable_intr();
-
-	suspend_cancelled = HYPERVISOR_suspend(0);
-	if (!suspend_cancelled)
-		xenpci_resume();
-
-	/*
-	 * Re-enable interrupts and put the scheduler back to normal.
-	 */
-	enable_intr();
-	critical_exit();
-
-	/*
-	 * FreeBSD really needs to add DEVICE_SUSPEND_CANCEL or
-	 * similar.
-	 */
-	if (!suspend_cancelled)
-		DEVICE_RESUME(root_bus);
-}