Author: sephe
Date: Fri Apr  8 09:20:46 2016
New Revision: 297699
URL: https://svnweb.freebsd.org/changeset/base/297699

Log:
  hyperv: Revert r297481
  
  Use vm_guest == VM_GUEST_HV is not enough to determine whether FreeBSD
  is running on Hyper-V or not.  What a mess.
  
  Reported by:  smokehydration tutanota com
  Sponsored by: Microsoft OSTC

Modified:
  head/sys/dev/hyperv/vmbus/hv_hv.c

Modified: head/sys/dev/hyperv/vmbus/hv_hv.c
==============================================================================
--- head/sys/dev/hyperv/vmbus/hv_hv.c   Fri Apr  8 08:43:25 2016        
(r297698)
+++ head/sys/dev/hyperv/vmbus/hv_hv.c   Fri Apr  8 09:20:46 2016        
(r297699)
@@ -36,7 +36,6 @@ __FBSDID("$FreeBSD$");
 #include <sys/malloc.h>
 #include <sys/pcpu.h>
 #include <sys/timetc.h>
-#include <sys/kernel.h>
 #include <machine/bus.h>
 #include <machine/md_var.h>
 #include <vm/vm.h>
@@ -208,6 +207,8 @@ hv_vmbus_init(void) 
 
        hv_vmbus_g_context.hypercall_page = virt_addr;
 
+       tc_init(&hv_timecounter); /* register virtual timecount */
+
        hv_et_init();
        
        return (0);
@@ -436,14 +437,3 @@ void hv_vmbus_synic_cleanup(void *arg)
        wrmsr(HV_X64_MSR_SIEFP, siefp.as_uint64_t);
 }
 
-static void
-hv_tc_init(void)
-{
-       if (vm_guest != VM_GUEST_HV)
-               return;
-
-       /* register virtual timecounter */
-       tc_init(&hv_timecounter);
-}
-
-SYSINIT(hv_tc_init, SI_SUB_HYPERVISOR, SI_ORDER_FIRST, hv_tc_init, NULL);
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